8 ff ff ff e8 8a 8d c3 ff 48 83 3d e2 3b 91 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 6a b1 [ 349.371922] RSP: 0000:ffff88019c63f4a0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 349.379636] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 349.386898] RDX: 0000000000000000 RSI: ffff8801929e68c0 RDI: 0000000000000286 [ 349.394160] RBP: ffff88019c63f518 R08: ffff8801929e6040 R09: 0000000000000000 [ 349.401445] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0 [ 349.408706] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286 [ 349.415992] ? save_stack+0xa9/0xd0 [ 349.419623] __kmalloc_node_track_caller+0x33/0x70 [ 349.424551] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 349.429310] pskb_expand_head+0x230/0x10f0 [ 349.433556] ? check_preemption_disabled+0x48/0x280 [ 349.438582] ? memcpy+0x45/0x50 [ 349.441861] ? __copy_skb_header+0x350/0x6b0 [ 349.446269] ? skb_release_data+0x880/0x880 [ 349.450593] ? __alloc_skb+0x770/0x770 [ 349.454489] ? __lock_is_held+0xb5/0x140 [ 349.458552] ? kasan_check_write+0x14/0x20 [ 349.462780] ? __skb_clone+0x6c7/0xa00 [ 349.466677] ? __copy_skb_header+0x6b0/0x6b0 [ 349.471078] ? kmem_cache_alloc+0x33a/0x730 [ 349.475396] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.480947] skb_ensure_writable+0x3dd/0x640 [ 349.485354] ? skb_checksum_setup+0xaa0/0xaa0 [ 349.489845] ? preempt_notifier_register+0x200/0x200 [ 349.494944] ? __switch_to_asm+0x34/0x70 [ 349.499003] ? __switch_to_asm+0x34/0x70 [ 349.503059] ? __switch_to_asm+0x40/0x70 [ 349.507117] ? __switch_to_asm+0x34/0x70 [ 349.511176] ? __switch_to_asm+0x40/0x70 [ 349.515763] ? __switch_to_asm+0x40/0x70 [ 349.519831] ? __switch_to_asm+0x34/0x70 [ 349.523891] ? __switch_to_asm+0x34/0x70 [ 349.527950] ? __switch_to_asm+0x40/0x70 [ 349.532009] ? __switch_to_asm+0x34/0x70 [ 349.536076] bpf_clone_redirect+0x14a/0x490 [ 349.540400] bpf_prog_bebbfe2050753572+0x325/0x1000 [ 349.545410] ? __sched_text_start+0x8/0x8 [ 349.549567] ? find_held_lock+0x36/0x1c0 [ 349.553631] ? lock_acquire+0x1ed/0x520 [ 349.557597] ? bpf_test_run+0x3cb/0x780 [ 349.561568] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.567103] ? check_preemption_disabled+0x48/0x280 [ 349.572119] ? kasan_check_read+0x11/0x20 [ 349.576271] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 349.581556] ? rcu_softirq_qs+0x20/0x20 [ 349.585525] ? preempt_schedule+0x4d/0x60 [ 349.589674] ? ___preempt_schedule+0x16/0x18 [ 349.594086] ? bpf_test_run+0x25d/0x780 [ 349.598073] ? netlink_diag_dump+0x2a0/0x2a0 [ 349.602480] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 349.608016] ? bpf_test_init.isra.10+0x70/0x100 [ 349.612685] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 349.617452] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 349.622290] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 349.627820] ? fput+0x130/0x1a0 [ 349.631182] ? __bpf_prog_get+0x9b/0x290 [ 349.635255] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 349.640095] ? bpf_prog_test_run+0x130/0x1a0 [ 349.644504] ? __x64_sys_bpf+0x3d8/0x520 [ 349.648576] ? bpf_prog_get+0x20/0x20 [ 349.652387] ? do_syscall_64+0x1b9/0x820 [ 349.656443] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 349.661809] ? syscall_return_slowpath+0x5e0/0x5e0 [ 349.666738] ? trace_hardirqs_on_caller+0x310/0x310 [ 349.671757] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 349.676798] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 349.683706] ? __switch_to_asm+0x40/0x70 [ 349.687773] ? __switch_to_asm+0x34/0x70 [ 349.691841] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 349.696686] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 349.702067] CPU: 1 PID: 5375 Comm: syz-fuzzer Not tainted 4.19.0+ #72 [ 349.702110] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 349.708641] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 349.708646] Call Trace: [ 349.708663] dump_stack+0x244/0x39d [ 349.708684] ? dump_stack_print_info.cold.1+0x20/0x20 [ 349.715214] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 349.724494] dump_header+0x27b/0xf72 [ 349.727046] syz-executor0 cpuset= [ 349.730661] ? mark_held_locks+0x130/0x130 [ 349.735819] syz0 [ 349.746288] ? pagefault_out_of_memory+0x197/0x197 [ 349.749971] mems_allowed=0 [ 349.753408] ? __lock_acquire+0x62f/0x4c20 [ 349.771596] ? zap_class+0x640/0x640 [ 349.775307] ? percpu_ref_get_many+0x240/0x240 [ 349.779883] ? print_usage_bug+0xc0/0xc0 [ 349.783939] ? print_usage_bug+0xc0/0xc0 [ 349.788001] ? zap_class+0x640/0x640 [ 349.791713] ? print_usage_bug+0xc0/0xc0 [ 349.795772] ? print_usage_bug+0xc0/0xc0 [ 349.799834] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.805364] ? find_held_lock+0x36/0x1c0 [ 349.809493] ? mark_held_locks+0xc7/0x130 [ 349.813640] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 349.818768] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 349.823864] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 349.828439] ? trace_hardirqs_on+0xbd/0x310 [ 349.832763] ? kasan_check_read+0x11/0x20 [ 349.836903] ? ___ratelimit+0x3b4/0x672 [ 349.840871] ? trace_hardirqs_off_caller+0x310/0x310 [ 349.845972] ? trace_hardirqs_on+0x310/0x310 [ 349.850378] ? lock_downgrade+0x900/0x900 [ 349.854538] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 349.859631] ? ___ratelimit+0x3b9/0x672 [ 349.863602] ? idr_get_free+0xec0/0xec0 [ 349.867585] ? find_held_lock+0x36/0x1c0 [ 349.871653] oom_kill_process.cold.27+0x10/0x903 [ 349.876404] ? zap_class+0x640/0x640 [ 349.880109] ? check_preemption_disabled+0x48/0x280 [ 349.885123] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 349.890051] ? kasan_check_read+0x11/0x20 [ 349.894195] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 349.899468] ? oom_evaluate_task+0x540/0x540 [ 349.903878] ? find_held_lock+0x36/0x1c0 [ 349.907942] ? out_of_memory+0x974/0x1430 [ 349.912104] ? lock_downgrade+0x900/0x900 [ 349.916245] ? check_preemption_disabled+0x48/0x280 [ 349.921269] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 349.926194] ? kasan_check_read+0x11/0x20 [ 349.930348] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 349.935621] ? rcu_softirq_qs+0x20/0x20 [ 349.939595] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 349.945123] ? oom_evaluate_task+0x302/0x540 [ 349.949523] out_of_memory+0xa84/0x1430 [ 349.953505] ? oom_killer_disable+0x3a0/0x3a0 [ 349.958090] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 349.963016] ? __mutex_add_waiter+0x2a0/0x2a0 [ 349.967515] __alloc_pages_slowpath+0x22d4/0x2d70 [ 349.972382] ? warn_alloc+0x120/0x120 [ 349.976178] ? rcu_softirq_qs+0x20/0x20 [ 349.980172] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 349.985702] ? should_fail+0x22d/0xd01 [ 349.989584] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 349.994685] ? zap_class+0x640/0x640 [ 349.998418] ? __lock_is_held+0xb5/0x140 [ 350.002570] ? mark_held_locks+0x130/0x130 [ 350.006798] ? lock_release+0xa00/0xa00 [ 350.010769] ? perf_trace_sched_process_exec+0x860/0x860 [ 350.016221] ? __might_sleep+0x95/0x190 [ 350.020198] __alloc_pages_nodemask+0xa80/0xde0 [ 350.024866] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 350.029894] ? __page_cache_alloc+0x191/0x5c0 [ 350.034385] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 350.039305] ? kasan_check_read+0x11/0x20 [ 350.043443] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 350.048713] ? zap_class+0x640/0x640 [ 350.052435] ? zap_class+0x640/0x640 [ 350.056156] ? zap_class+0x640/0x640 [ 350.059862] ? __do_page_cache_readahead+0x7ce/0x980 [ 350.064984] ? find_held_lock+0x36/0x1c0 [ 350.069040] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 350.074577] alloc_pages_current+0x173/0x350 [ 350.078985] __page_cache_alloc+0x38c/0x5c0 [ 350.083299] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 350.088220] ? kasan_check_read+0x11/0x20 [ 350.092365] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 350.097639] ? generic_perform_write+0x6a0/0x6a0 [ 350.102387] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 350.107916] ? check_preemption_disabled+0x48/0x280 [ 350.112931] filemap_fault+0x1594/0x25f0 [ 350.116999] ? __lock_page_or_retry+0xa00/0xa00 [ 350.121664] ? mark_held_locks+0x130/0x130 [ 350.125892] ? rcu_softirq_qs+0x20/0x20 [ 350.129872] ? filemap_map_pages+0xe04/0x1990 [ 350.134374] ? __free_object+0x173/0x340 [ 350.138428] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 350.143368] ? trace_hardirqs_off_caller+0x310/0x310 [ 350.148463] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 350.153133] ? debug_object_free+0x32d/0x690 [ 350.157531] ? kasan_check_read+0x11/0x20 [ 350.161683] ? debug_object_destroy+0x2b0/0x2b0 [ 350.166346] ? lock_pi_update_atomic+0x150/0x150 [ 350.171110] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.176646] ? __hrtimer_init+0xdb/0x240 [ 350.180712] ? lock_acquire+0x1ed/0x520 [ 350.184683] ? ext4_filemap_fault+0x7a/0xad [ 350.189003] ? lock_release+0xa00/0xa00 [ 350.192988] ? perf_trace_sched_process_exec+0x860/0x860 [ 350.198437] ? print_usage_bug+0xc0/0xc0 [ 350.202494] ? print_usage_bug+0xc0/0xc0 [ 350.206561] ? down_read+0x8d/0x120 [ 350.210181] ? ext4_filemap_fault+0x7a/0xad [ 350.214495] ? __down_interruptible+0x700/0x700 [ 350.219166] ext4_filemap_fault+0x82/0xad [ 350.223322] __do_fault+0x100/0x6b0 [ 350.226947] ? pmd_devmap_trans_unstable+0x220/0x220 [ 350.232049] ? mark_held_locks+0x130/0x130 [ 350.236277] ? mark_held_locks+0x130/0x130 [ 350.240511] ? debug_smp_processor_id+0x1c/0x20 [ 350.245176] ? perf_trace_lock+0x14d/0x7a0 [ 350.249410] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 350.254949] __handle_mm_fault+0x307c/0x5920 [ 350.259375] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 350.264211] ? lock_is_held_type+0x210/0x210 [ 350.268633] ? zap_class+0x640/0x640 [ 350.272339] ? zap_class+0x640/0x640 [ 350.276046] ? __x64_sys_futex+0x53e/0x6a0 [ 350.280280] ? find_held_lock+0x36/0x1c0 [ 350.284346] ? handle_mm_fault+0x42a/0xc70 [ 350.288578] ? lock_downgrade+0x900/0x900 [ 350.292726] ? check_preemption_disabled+0x48/0x280 [ 350.297836] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 350.302770] ? kasan_check_read+0x11/0x20 [ 350.306918] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 350.312191] ? rcu_softirq_qs+0x20/0x20 [ 350.316161] ? trace_hardirqs_off_caller+0x310/0x310 [ 350.321257] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 350.326789] ? check_preemption_disabled+0x48/0x280 [ 350.331806] handle_mm_fault+0x54f/0xc70 [ 350.335863] ? __handle_mm_fault+0x5920/0x5920 [ 350.340444] ? find_vma+0x34/0x190 [ 350.343981] __do_page_fault+0x5e8/0xe60 [ 350.348035] ? trace_hardirqs_off+0xb8/0x310 [ 350.352438] ? __ia32_sys_read+0xb0/0xb0 [ 350.356497] do_page_fault+0xf2/0x7e0 [ 350.360293] ? vmalloc_sync_all+0x30/0x30 [ 350.364433] ? error_entry+0x70/0xd0 [ 350.368137] ? trace_hardirqs_off_caller+0xbb/0x310 [ 350.373145] ? trace_hardirqs_on_caller+0xc0/0x310 [ 350.378085] ? syscall_return_slowpath+0x5e0/0x5e0 [ 350.383007] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 350.387857] ? trace_hardirqs_on_caller+0x310/0x310 [ 350.392898] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 350.398356] ? prepare_exit_to_usermode+0x291/0x3b0 [ 350.403365] ? page_fault+0x8/0x30 [ 350.406903] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 350.411751] ? page_fault+0x8/0x30 [ 350.415287] page_fault+0x1e/0x30 [ 350.418741] RIP: 0033:0x45ddf3 [ 350.421948] Code: Bad RIP value. [ 350.425303] RSP: 002b:000000c4200206a0 EFLAGS: 00010206 [ 350.430658] RAX: ffffffffffffff92 RBX: 000000003b974269 RCX: 000000000045ddf3 [ 350.437919] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e1060 [ 350.445199] RBP: 000000c4200206e8 R08: 0000000000000000 R09: 0000000000000000 [ 350.452463] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001 [ 350.459727] R13: 0000000000000007 R14: 0000000000b7f720 R15: 000000000000bdf9 [ 350.467008] CPU: 0 PID: 17787 Comm: syz-executor0 Not tainted 4.19.0+ #72 [ 350.467236] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 350.473928] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 350.484128] syz-fuzzer cpuset= [ 350.493457] Call Trace: [ 350.493464] / [ 350.496631] [ 350.499192] mems_allowed=0 [ 350.500896] dump_stack+0x244/0x39d [ 350.509545] ? dump_stack_print_info.cold.1+0x20/0x20 [ 350.514741] warn_alloc.cold.117+0xb7/0x1bd [ 350.519068] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 350.523908] ? lock_downgrade+0x900/0x900 [ 350.528057] ? trace_hardirqs_off+0xb8/0x310 [ 350.532461] ? trace_hardirqs_off+0xb8/0x310 [ 350.536884] __alloc_pages_slowpath+0x2660/0x2d70 [ 350.541774] ? warn_alloc+0x120/0x120 [ 350.545591] ? warn_alloc+0x120/0x120 [ 350.549384] ? print_usage_bug+0xc0/0xc0 [ 350.553438] ? warn_alloc+0x120/0x120 [ 350.557238] ? print_usage_bug+0xc0/0xc0 [ 350.561293] ? __lock_acquire+0x62f/0x4c20 [ 350.565519] ? __lock_acquire+0x62f/0x4c20 [ 350.569749] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 350.575304] ? should_fail+0x22d/0xd01 [ 350.579186] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 350.584458] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 350.589556] ? __lock_acquire+0x62f/0x4c20 [ 350.593786] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 350.598883] ? __lock_acquire+0x62f/0x4c20 [ 350.603107] ? should_fail+0x22d/0xd01 [ 350.607003] ? rcu_irq_exit+0x1a2/0x390 [ 350.610994] ? mark_held_locks+0x130/0x130 [ 350.615229] ? mark_held_locks+0x130/0x130 [ 350.619462] ? mark_held_locks+0xc7/0x130 [ 350.623601] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 350.628609] ? zap_class+0x640/0x640 [ 350.632318] ? print_usage_bug+0xc0/0xc0 [ 350.636375] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.641912] ? check_preemption_disabled+0x48/0x280 [ 350.646931] ? __lock_is_held+0xb5/0x140 [ 350.650992] __alloc_pages_nodemask+0xa80/0xde0 [ 350.655653] ? zap_class+0x640/0x640 [ 350.659365] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 350.664386] ? find_held_lock+0x36/0x1c0 [ 350.668460] ? ____cache_alloc_node+0x1c7/0x1e0 [ 350.673122] ? lock_downgrade+0x900/0x900 [ 350.677269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.682806] cache_grow_begin+0xa5/0x8c0 [ 350.686869] ? do_raw_spin_unlock+0xa7/0x330 [ 350.691279] fallback_alloc+0x204/0x2e0 [ 350.695262] ____cache_alloc_node+0x1c7/0x1e0 [ 350.699756] kmem_cache_alloc_node+0xe3/0x730 [ 350.704249] ? ipv6_get_ifaddr+0x42e/0x620 [ 350.708483] __alloc_skb+0x119/0x770 [ 350.712190] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 350.717459] ? netdev_alloc_frag+0x1f0/0x1f0 [ 350.721855] ? lock_downgrade+0x900/0x900 [ 350.726003] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.731532] ? refcount_sub_and_test_checked+0x203/0x310 [ 350.736980] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 350.742422] ? addrconf_rs_timer+0x690/0x690 [ 350.746833] ndisc_alloc_skb+0x144/0x340 [ 350.750890] ndisc_send_rs+0x331/0x6e0 [ 350.754778] addrconf_rs_timer+0x314/0x690 [ 350.759013] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 350.763251] call_timer_fn+0x272/0x920 [ 350.767136] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 350.771369] ? process_timeout+0x40/0x40 [ 350.775432] ? __run_timers+0x7da/0xc70 [ 350.779401] ? _raw_spin_unlock_irq+0x27/0x80 [ 350.783887] ? _raw_spin_unlock_irq+0x27/0x80 [ 350.788384] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 350.792606] ? lockdep_hardirqs_on+0x296/0x5b0 [ 350.797212] ? trace_hardirqs_on+0xbd/0x310 [ 350.801524] ? kasan_check_read+0x11/0x20 [ 350.805661] ? __run_timers+0x7da/0xc70 [ 350.809632] ? trace_hardirqs_off_caller+0x310/0x310 [ 350.814735] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 350.818970] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 350.823207] __run_timers+0x7e5/0xc70 [ 350.827026] ? timer_fixup_init+0x70/0x70 [ 350.831166] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 350.836209] ? zap_class+0x640/0x640 [ 350.839938] ? enqueue_hrtimer+0x1a5/0x560 [ 350.844167] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 350.849351] ? find_held_lock+0x36/0x1c0 [ 350.853406] ? zap_class+0x640/0x640 [ 350.857117] ? pvclock_read_flags+0x160/0x160 [ 350.861606] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.867145] ? check_preemption_disabled+0x48/0x280 [ 350.872158] ? __lock_is_held+0xb5/0x140 [ 350.876208] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.881746] ? check_preemption_disabled+0x48/0x280 [ 350.886753] run_timer_softirq+0x52/0xb0 [ 350.890805] ? rcu_read_lock_sched_held+0x14f/0x180 [ 350.895814] __do_softirq+0x308/0xb7e [ 350.899611] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 350.904095] ? lock_downgrade+0x900/0x900 [ 350.908236] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 350.913334] ? pvclock_read_flags+0x160/0x160 [ 350.917826] ? lapic_next_event+0x5a/0x90 [ 350.921966] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.927500] ? kvm_clock_read+0x18/0x30 [ 350.931461] ? kvm_sched_clock_read+0x9/0x20 [ 350.935862] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.941393] ? check_preemption_disabled+0x48/0x280 [ 350.946408] irq_exit+0x17f/0x1c0 [ 350.949853] smp_apic_timer_interrupt+0x1cb/0x760 [ 350.954693] ? smp_reschedule_interrupt+0x109/0x650 [ 350.959699] ? smp_call_function_single_interrupt+0x650/0x650 [ 350.965570] ? interrupt_entry+0xb5/0xc0 [ 350.969651] ? trace_hardirqs_off_caller+0xbb/0x310 [ 350.974669] ? trace_hardirqs_off_caller+0xbb/0x310 [ 350.979691] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 350.984560] ? trace_hardirqs_on_caller+0x310/0x310 [ 350.989568] ? trace_hardirqs_on_caller+0x310/0x310 [ 350.994573] ? task_prio+0x50/0x50 [ 350.998106] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.003633] ? check_preemption_disabled+0x48/0x280 [ 351.008645] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 351.013490] apic_timer_interrupt+0xf/0x20 [ 351.017728] [ 351.019959] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 351.025921] Code: 41 7e 0f 85 32 ff ff ff e8 33 c3 3f ff e9 28 ff ff ff e8 8a 8d c3 ff 48 83 3d e2 3b 91 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 6a b1 [ 351.044812] RSP: 0000:ffff88019c63f4a0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 351.052514] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 351.059772] RDX: 0000000000000000 RSI: ffff8801929e68c0 RDI: 0000000000000286 [ 351.067033] RBP: ffff88019c63f518 R08: ffff8801929e6040 R09: 0000000000000000 [ 351.074292] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0 [ 351.081550] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286 [ 351.088832] ? save_stack+0xa9/0xd0 [ 351.092458] __kmalloc_node_track_caller+0x33/0x70 [ 351.097378] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 351.102132] pskb_expand_head+0x230/0x10f0 [ 351.106359] ? check_preemption_disabled+0x48/0x280 [ 351.111372] ? memcpy+0x45/0x50 [ 351.114645] ? __copy_skb_header+0x350/0x6b0 [ 351.119072] ? skb_release_data+0x880/0x880 [ 351.123386] ? __alloc_skb+0x770/0x770 [ 351.127281] ? __lock_is_held+0xb5/0x140 [ 351.131339] ? kasan_check_write+0x14/0x20 [ 351.135565] ? __skb_clone+0x6c7/0xa00 [ 351.139448] ? __copy_skb_header+0x6b0/0x6b0 [ 351.143848] ? kmem_cache_alloc+0x33a/0x730 [ 351.148164] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.153709] skb_ensure_writable+0x3dd/0x640 [ 351.158113] ? skb_checksum_setup+0xaa0/0xaa0 [ 351.162602] ? preempt_notifier_register+0x200/0x200 [ 351.167699] ? __switch_to_asm+0x34/0x70 [ 351.171752] ? __switch_to_asm+0x34/0x70 [ 351.175800] ? __switch_to_asm+0x40/0x70 [ 351.179851] ? __switch_to_asm+0x34/0x70 [ 351.183905] ? __switch_to_asm+0x40/0x70 [ 351.188036] ? __switch_to_asm+0x40/0x70 [ 351.192088] ? __switch_to_asm+0x34/0x70 [ 351.196139] ? __switch_to_asm+0x34/0x70 [ 351.200193] ? __switch_to_asm+0x40/0x70 [ 351.204243] ? __switch_to_asm+0x34/0x70 [ 351.208301] bpf_clone_redirect+0x14a/0x490 [ 351.212624] bpf_prog_bebbfe2050753572+0x325/0x1000 [ 351.217650] ? __sched_text_start+0x8/0x8 [ 351.221808] ? find_held_lock+0x36/0x1c0 [ 351.225865] ? lock_acquire+0x1ed/0x520 [ 351.229833] ? bpf_test_run+0x3cb/0x780 [ 351.233806] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.239335] ? check_preemption_disabled+0x48/0x280 [ 351.244345] ? kasan_check_read+0x11/0x20 [ 351.248485] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 351.253758] ? rcu_softirq_qs+0x20/0x20 [ 351.257722] ? preempt_schedule+0x4d/0x60 [ 351.261865] ? ___preempt_schedule+0x16/0x18 [ 351.266272] ? bpf_test_run+0x25d/0x780 [ 351.270248] ? netlink_diag_dump+0x2a0/0x2a0 [ 351.274667] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 351.280195] ? bpf_test_init.isra.10+0x70/0x100 [ 351.284864] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 351.289706] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 351.294541] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 351.300089] ? fput+0x130/0x1a0 [ 351.303363] ? __bpf_prog_get+0x9b/0x290 [ 351.307418] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 351.312246] ? bpf_prog_test_run+0x130/0x1a0 [ 351.316663] ? __x64_sys_bpf+0x3d8/0x520 [ 351.320721] ? bpf_prog_get+0x20/0x20 [ 351.324536] ? do_syscall_64+0x1b9/0x820 [ 351.328587] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 351.333953] ? syscall_return_slowpath+0x5e0/0x5e0 [ 351.338879] ? trace_hardirqs_on_caller+0x310/0x310 [ 351.343903] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 351.348912] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 351.355571] ? __switch_to_asm+0x40/0x70 [ 351.359640] ? __switch_to_asm+0x34/0x70 [ 351.363708] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 351.368546] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 351.373913] CPU: 1 PID: 5375 Comm: syz-fuzzer Not tainted 4.19.0+ #72 [ 351.373917] warn_alloc_show_mem: 1 callbacks suppressed [ 351.373922] Mem-Info: [ 351.380486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 351.385841] active_anon:46515 inactive_anon:2315 isolated_anon:0 [ 351.385841] active_file:13 inactive_file:13 isolated_file:0 [ 351.385841] unevictable:0 dirty:0 writeback:0 unstable:0 [ 351.385841] slab_reclaimable:9353 slab_unreclaimable:1470601 [ 351.385841] mapped:40962 shmem:7010 pagetables:640 bounce:0 [ 351.385841] free:13714 free_pcp:481 free_cma:0 [ 351.388208] Call Trace: [ 351.397576] Node 0 active_anon:186060kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:28040kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 351.430587] [ 351.433150] Node 0 [ 351.460807] dump_stack+0x244/0x39d [ 351.462952] 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 [ 351.465155] ? dump_stack_print_info.cold.1+0x20/0x20 [ 351.468745] lowmem_reserve[]: 0 [ 351.494243] warn_alloc.cold.117+0xb7/0x1bd [ 351.499395] 2818 [ 351.502659] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 351.506950] 6321 [ 351.508999] ? lock_downgrade+0x900/0x900 [ 351.514297] 6321 [ 351.516377] ? trace_hardirqs_off+0xb8/0x310 [ 351.520487] Node 0 [ 351.522541] ? trace_hardirqs_off+0xb8/0x310 [ 351.526939] DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 351.529150] __alloc_pages_slowpath+0x2660/0x2d70 [ 351.533512] lowmem_reserve[]: 0 [ 351.560694] ? warn_alloc+0x120/0x120 [ 351.565476] 0 3503 [ 351.568749] ? find_held_lock+0x36/0x1c0 [ 351.572511] 3503 [ 351.574751] ? warn_alloc+0x120/0x120 [ 351.578781] Node 0 [ 351.580840] ? print_usage_bug+0xc0/0xc0 [ 351.584647] Normal free:13768kB min:37364kB low:46704kB high:56044kB active_anon:184012kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5600kB pagetables:2560kB bounce:0kB free_pcp:1676kB local_pcp:876kB free_cma:0kB [ 351.586842] ? warn_alloc+0x120/0x120 [ 351.590870] lowmem_reserve[]: [ 351.619304] ? print_usage_bug+0xc0/0xc0 [ 351.623068] 0 0 [ 351.626167] ? should_fail+0x22d/0xd01 [ 351.630189] 0 0 [ 351.632161] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 351.636015] Node 0 [ 351.637975] ? kasan_check_read+0x11/0x20 [ 351.642886] DMA: 1*4kB [ 351.645124] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 351.649253] (U) [ 351.651822] ? should_fail+0x22d/0xd01 [ 351.657322] 0*8kB 0*16kB [ 351.659293] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 351.663171] 1*32kB [ 351.665916] ? __lock_acquire+0x62f/0x4c20 [ 351.670985] (U) [ 351.673209] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 351.677411] 2*64kB (U) [ 351.679376] ? __lock_acquire+0x62f/0x4c20 [ 351.684775] 1*128kB (U) [ 351.687357] ? should_fail+0x22d/0xd01 [ 351.691558] 1*256kB (U) [ 351.694239] ? mark_held_locks+0x130/0x130 [ 351.698084] 0*512kB 1*1024kB [ 351.700754] ? mark_held_locks+0x130/0x130 [ 351.704954] (U) [ 351.708042] ? zap_class+0x640/0x640 [ 351.712245] 1*2048kB [ 351.714207] ? check_preemption_disabled+0x48/0x280 [ 351.717889] (M) [ 351.720286] ? zap_class+0x640/0x640 [ 351.725359] 3*4096kB (M) [ 351.727336] ? print_usage_bug+0xc0/0xc0 [ 351.731014] = 15908kB [ 351.731021] Node 0 [ 351.733768] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.737792] DMA32: 5*4kB [ 351.740194] ? check_preemption_disabled+0x48/0x280 [ 351.742400] (UM) [ 351.747944] ? __lock_is_held+0xb5/0x140 [ 351.750669] 1*8kB [ 351.755672] __alloc_pages_nodemask+0xa80/0xde0 [ 351.757702] (H) [ 351.761749] ? zap_class+0x640/0x640 [ 351.763867] 2*16kB (M) [ 351.768529] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 351.770473] 3*32kB (M) [ 351.774182] ? find_held_lock+0x36/0x1c0 [ 351.776734] 3*64kB (MH) [ 351.781745] ? ____cache_alloc_node+0x1c7/0x1e0 [ 351.784289] 4*128kB (M) [ 351.788339] ? lock_downgrade+0x900/0x900 [ 351.790976] 5*256kB (UMH) [ 351.795638] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.798271] 5*512kB (UMH) [ 351.802412] cache_grow_begin+0xa5/0x8c0 [ 351.805224] 4*1024kB [ 351.810739] ? do_raw_spin_unlock+0xa7/0x330 [ 351.813548] (UMH) 2*2048kB [ 351.817609] fallback_alloc+0x204/0x2e0 [ 351.819990] (UM) [ 351.824388] ____cache_alloc_node+0x1c7/0x1e0 [ 351.827282] 3*4096kB (M) [ 351.831268] kmem_cache_alloc_node+0xe3/0x730 [ 351.833295] = 25180kB [ 351.833302] Node 0 [ 351.837786] ? ipv6_get_ifaddr+0x42e/0x620 [ 351.840512] Normal: [ 351.845011] __alloc_skb+0x119/0x770 [ 351.847393] 1870*4kB [ 351.849628] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 351.853823] (UME) 407*8kB [ 351.856163] ? netdev_alloc_frag+0x1f0/0x1f0 [ 351.859854] (UMEH) [ 351.862252] ? lock_downgrade+0x900/0x900 [ 351.867495] 106*16kB (UME) [ 351.870349] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.874720] 42*32kB (MH) [ 351.876951] ? refcount_sub_and_test_checked+0x203/0x310 [ 351.881069] 1*64kB (U) [ 351.883994] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 351.889492] 0*128kB 0*256kB [ 351.892240] ? addrconf_rs_timer+0x690/0x690 [ 351.897659] 0*512kB [ 351.900239] ndisc_alloc_skb+0x144/0x340 [ 351.905653] 0*1024kB [ 351.908655] ndisc_send_rs+0x331/0x6e0 [ 351.913034] 0*2048kB [ 351.915344] addrconf_rs_timer+0x314/0x690 [ 351.919374] 0*4096kB [ 351.921782] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 351.925638] = 13840kB [ 351.928040] call_timer_fn+0x272/0x920 [ 351.932244] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 351.934633] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 351.938854] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 351.941246] ? process_timeout+0x40/0x40 [ 351.945098] 7036 total pagecache pages [ 351.945112] 0 pages in swap cache [ 351.953929] ? mark_held_locks+0xc7/0x130 [ 351.958133] Swap cache stats: add 0, delete 0, find 0/0 [ 351.966692] ? _raw_spin_unlock_irq+0x27/0x80 [ 351.970733] Free swap = 0kB [ 351.974612] ? _raw_spin_unlock_irq+0x27/0x80 [ 351.978029] Total swap = 0kB [ 351.978037] 1965979 pages RAM [ 351.982166] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 351.987496] 0 pages HighMem/MovableOnly [ 351.987503] 342867 pages reserved [ 351.991981] ? lockdep_hardirqs_on+0x296/0x5b0 [ 351.994984] 0 pages cma reserved [ 351.999465] ? trace_hardirqs_on+0xbd/0x310 [ 352.002547] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 352.005537] ? kasan_check_read+0x11/0x20 [ 352.005553] ? __run_timers+0x7da/0xc70 [ 352.009806] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 352.013710] ? trace_hardirqs_off_caller+0x310/0x310 [ 352.017130] syz-executor0 cpuset= [ 352.021724] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 352.025052] syz0 [ 352.029360] __run_timers+0x7e5/0xc70 [ 352.035821] mems_allowed=0 [ 352.039990] ? timer_fixup_init+0x70/0x70 [ 352.079915] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 352.084928] ? zap_class+0x640/0x640 [ 352.088643] ? print_usage_bug+0xc0/0xc0 [ 352.092698] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 352.097886] ? find_held_lock+0x36/0x1c0 [ 352.101945] ? zap_class+0x640/0x640 [ 352.105657] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.111186] ? check_preemption_disabled+0x48/0x280 [ 352.116206] ? __lock_is_held+0xb5/0x140 [ 352.120266] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.125799] ? check_preemption_disabled+0x48/0x280 [ 352.130814] run_timer_softirq+0x52/0xb0 [ 352.134870] ? rcu_read_lock_sched_held+0x14f/0x180 [ 352.139882] __do_softirq+0x308/0xb7e [ 352.143686] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 352.148170] ? lock_downgrade+0x900/0x900 [ 352.152316] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 352.157421] ? pvclock_read_flags+0x160/0x160 [ 352.161915] ? lapic_next_event+0x5a/0x90 [ 352.166091] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.171628] ? kvm_clock_read+0x18/0x30 [ 352.175598] ? kvm_sched_clock_read+0x9/0x20 [ 352.179997] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 352.185523] ? check_preemption_disabled+0x48/0x280 [ 352.190571] irq_exit+0x17f/0x1c0 [ 352.194019] smp_apic_timer_interrupt+0x1cb/0x760 [ 352.198873] ? smp_call_function_single_interrupt+0x650/0x650 [ 352.204755] ? interrupt_entry+0xb5/0xc0 [ 352.208811] ? trace_hardirqs_off_caller+0xbb/0x310 [ 352.213822] ? trace_hardirqs_off_caller+0xbb/0x310 [ 352.218842] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 352.223681] ? trace_hardirqs_on_caller+0x310/0x310 [ 352.228690] ? trace_hardirqs_on_caller+0x310/0x310 [ 352.233708] ? task_prio+0x50/0x50 [ 352.237238] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 352.242775] ? check_preemption_disabled+0x48/0x280 [ 352.247785] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 352.252625] apic_timer_interrupt+0xf/0x20 [ 352.256850] [ 352.259084] RIP: 0010:dump_stack+0x358/0x39d [ 352.263495] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 91 c1 00 fa 48 83 3d 99 b9 91 01 00 0f 84 63 fe ff ff e8 ee e6 bd f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db e6 bd f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 352.282384] RSP: 0000:ffff8801c4c0e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 352.290089] RAX: ffff8801d7e70400 RBX: 1ffffffff12a3e8e RCX: 1ffff1003afce19e [ 352.297351] RDX: 0000000000000000 RSI: ffffffff87c03ae2 RDI: 0000000000000293 [ 352.304610] RBP: ffff8801c4c0e2c8 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 352.311870] R10: 0000000000000000 R11: ffff8801d7e70400 R12: 1ffff10038981c4c [ 352.319128] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 352.326404] ? dump_stack+0x34f/0x39d [ 352.330212] ? dump_stack_print_info.cold.1+0x20/0x20 [ 352.335408] dump_header+0x27b/0xf72 [ 352.339124] ? mark_held_locks+0x130/0x130 [ 352.343351] ? pagefault_out_of_memory+0x197/0x197 [ 352.348282] ? __lock_acquire+0x62f/0x4c20 [ 352.352505] ? zap_class+0x640/0x640 [ 352.356213] ? percpu_ref_get_many+0x240/0x240 [ 352.360791] ? print_usage_bug+0xc0/0xc0 [ 352.364845] ? print_usage_bug+0xc0/0xc0 [ 352.368904] ? zap_class+0x640/0x640 [ 352.372632] ? print_usage_bug+0xc0/0xc0 [ 352.376690] ? print_usage_bug+0xc0/0xc0 [ 352.380755] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.386293] ? find_held_lock+0x36/0x1c0 [ 352.390357] ? mark_held_locks+0xc7/0x130 [ 352.394501] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 352.399604] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 352.404701] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 352.409277] ? trace_hardirqs_on+0xbd/0x310 [ 352.413593] ? kasan_check_read+0x11/0x20 [ 352.417733] ? ___ratelimit+0x3b4/0x672 [ 352.421701] ? trace_hardirqs_off_caller+0x310/0x310 [ 352.426800] ? trace_hardirqs_on+0x310/0x310 [ 352.431203] ? lock_downgrade+0x900/0x900 [ 352.435354] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 352.440474] ? ___ratelimit+0x3b9/0x672 [ 352.444443] ? idr_get_free+0xec0/0xec0 [ 352.448410] ? find_held_lock+0x36/0x1c0 [ 352.452477] oom_kill_process.cold.27+0x10/0x903 [ 352.457227] ? zap_class+0x640/0x640 [ 352.460934] ? check_preemption_disabled+0x48/0x280 [ 352.465957] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 352.470880] ? kasan_check_read+0x11/0x20 [ 352.475025] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 352.480301] ? oom_evaluate_task+0x540/0x540 [ 352.484706] ? find_held_lock+0x36/0x1c0 [ 352.488773] ? out_of_memory+0x974/0x1430 [ 352.492919] ? lock_downgrade+0x900/0x900 [ 352.497064] ? check_preemption_disabled+0x48/0x280 [ 352.502080] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 352.507005] ? kasan_check_read+0x11/0x20 [ 352.511151] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 352.516426] ? rcu_softirq_qs+0x20/0x20 [ 352.520396] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 352.525930] ? oom_evaluate_task+0x302/0x540 [ 352.530336] out_of_memory+0xa84/0x1430 [ 352.534313] ? oom_killer_disable+0x3a0/0x3a0 [ 352.538801] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 352.543725] ? __mutex_add_waiter+0x2a0/0x2a0 [ 352.548222] __alloc_pages_slowpath+0x22d4/0x2d70 [ 352.553090] ? warn_alloc+0x120/0x120 [ 352.556888] ? rcu_softirq_qs+0x20/0x20 [ 352.560883] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 352.566410] ? should_fail+0x22d/0xd01 [ 352.570292] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 352.575389] ? zap_class+0x640/0x640 [ 352.579122] ? __lock_is_held+0xb5/0x140 [ 352.583186] ? mark_held_locks+0x130/0x130 [ 352.587416] ? lock_release+0xa00/0xa00 [ 352.591388] ? perf_trace_sched_process_exec+0x860/0x860 [ 352.596841] ? __might_sleep+0x95/0x190 [ 352.600816] __alloc_pages_nodemask+0xa80/0xde0 [ 352.605492] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 352.610505] ? __page_cache_alloc+0x191/0x5c0 [ 352.615020] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 352.619948] ? kasan_check_read+0x11/0x20 [ 352.624089] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 352.629364] ? zap_class+0x640/0x640 [ 352.633077] ? zap_class+0x640/0x640 [ 352.636801] ? zap_class+0x640/0x640 [ 352.640511] ? __do_page_cache_readahead+0x7ce/0x980 [ 352.645615] ? find_held_lock+0x36/0x1c0 [ 352.649699] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 352.655238] alloc_pages_current+0x173/0x350 [ 352.659646] __page_cache_alloc+0x38c/0x5c0 [ 352.663980] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 352.668903] ? kasan_check_read+0x11/0x20 [ 352.673052] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 352.678321] ? generic_perform_write+0x6a0/0x6a0 [ 352.683071] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 352.688601] ? check_preemption_disabled+0x48/0x280 [ 352.693616] filemap_fault+0x1594/0x25f0 [ 352.697684] ? __lock_page_or_retry+0xa00/0xa00 [ 352.702347] ? mark_held_locks+0x130/0x130 [ 352.706579] ? rcu_softirq_qs+0x20/0x20 [ 352.710575] ? filemap_map_pages+0xe04/0x1990 [ 352.715075] ? __free_object+0x173/0x340 [ 352.719134] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 352.724060] ? trace_hardirqs_off_caller+0x310/0x310 [ 352.729158] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 352.733828] ? debug_object_free+0x32d/0x690 [ 352.738230] ? kasan_check_read+0x11/0x20 [ 352.742377] ? debug_object_destroy+0x2b0/0x2b0 [ 352.747045] ? lock_pi_update_atomic+0x150/0x150 [ 352.751791] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.757320] ? __hrtimer_init+0xdb/0x240 [ 352.761384] ? lock_acquire+0x1ed/0x520 [ 352.765351] ? ext4_filemap_fault+0x7a/0xad [ 352.769668] ? lock_release+0xa00/0xa00 [ 352.773635] ? perf_trace_sched_process_exec+0x860/0x860 [ 352.779082] ? print_usage_bug+0xc0/0xc0 [ 352.783136] ? print_usage_bug+0xc0/0xc0 [ 352.787200] ? down_read+0x8d/0x120 [ 352.790823] ? ext4_filemap_fault+0x7a/0xad [ 352.795149] ? __down_interruptible+0x700/0x700 [ 352.799815] ext4_filemap_fault+0x82/0xad [ 352.803956] __do_fault+0x100/0x6b0 [ 352.807578] ? pmd_devmap_trans_unstable+0x220/0x220 [ 352.812678] ? mark_held_locks+0x130/0x130 [ 352.816924] ? mark_held_locks+0x130/0x130 [ 352.821151] ? debug_smp_processor_id+0x1c/0x20 [ 352.825810] ? perf_trace_lock+0x14d/0x7a0 [ 352.830045] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 352.835579] __handle_mm_fault+0x307c/0x5920 [ 352.839990] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 352.844824] ? lock_is_held_type+0x210/0x210 [ 352.849242] ? zap_class+0x640/0x640 [ 352.852946] ? zap_class+0x640/0x640 [ 352.856652] ? __x64_sys_futex+0x53e/0x6a0 [ 352.860894] ? find_held_lock+0x36/0x1c0 [ 352.864964] ? handle_mm_fault+0x42a/0xc70 [ 352.869193] ? lock_downgrade+0x900/0x900 [ 352.873333] ? check_preemption_disabled+0x48/0x280 [ 352.878352] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 352.883278] ? kasan_check_read+0x11/0x20 [ 352.887422] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 352.892704] ? rcu_softirq_qs+0x20/0x20 [ 352.896683] ? trace_hardirqs_off_caller+0x310/0x310 [ 352.901778] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 352.907305] ? check_preemption_disabled+0x48/0x280 [ 352.912353] handle_mm_fault+0x54f/0xc70 [ 352.916410] ? __handle_mm_fault+0x5920/0x5920 [ 352.920988] ? find_vma+0x34/0x190 [ 352.924536] __do_page_fault+0x5e8/0xe60 [ 352.928591] ? trace_hardirqs_off+0xb8/0x310 [ 352.932989] ? __ia32_sys_read+0xb0/0xb0 [ 352.937054] do_page_fault+0xf2/0x7e0 [ 352.940951] ? vmalloc_sync_all+0x30/0x30 [ 352.945091] ? error_entry+0x70/0xd0 [ 352.948798] ? trace_hardirqs_off_caller+0xbb/0x310 [ 352.953809] ? trace_hardirqs_on_caller+0xc0/0x310 [ 352.958730] ? syscall_return_slowpath+0x5e0/0x5e0 [ 352.963650] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 352.968485] ? trace_hardirqs_on_caller+0x310/0x310 [ 352.973497] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 352.978961] ? prepare_exit_to_usermode+0x291/0x3b0 [ 352.983972] ? page_fault+0x8/0x30 [ 352.987511] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 352.992341] ? page_fault+0x8/0x30 [ 352.995893] page_fault+0x1e/0x30 [ 352.999340] RIP: 0033:0x45ddf3 [ 353.002547] Code: Bad RIP value. [ 353.005907] RSP: 002b:000000c4200206a0 EFLAGS: 00010206 [ 353.011265] RAX: ffffffffffffff92 RBX: 000000003b974269 RCX: 000000000045ddf3 [ 353.018523] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e1060 [ 353.025784] RBP: 000000c4200206e8 R08: 0000000000000000 R09: 0000000000000000 [ 353.033059] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001 [ 353.040318] R13: 0000000000000007 R14: 0000000000b7f720 R15: 000000000000bdf9 [ 353.047590] Mem-Info: [ 353.047598] CPU: 0 PID: 17787 Comm: syz-executor0 Not tainted 4.19.0+ #72 [ 353.047606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 353.050022] active_anon:46515 inactive_anon:2315 isolated_anon:0 [ 353.050022] active_file:13 inactive_file:13 isolated_file:0 [ 353.050022] unevictable:0 dirty:0 writeback:0 unstable:0 [ 353.050022] slab_reclaimable:9353 slab_unreclaimable:1470601 [ 353.050022] mapped:40962 shmem:7010 pagetables:640 bounce:0 [ 353.050022] free:13714 free_pcp:481 free_cma:0 [ 353.056910] Call Trace: [ 353.066278] Node 0 active_anon:186060kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:28040kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 353.099287] [ 353.101847] Node 0 [ 353.129514] dump_stack+0x244/0x39d [ 353.131657] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 353.133862] ? dump_stack_print_info.cold.1+0x20/0x20 [ 353.137461] lowmem_reserve[]: [ 353.162955] warn_alloc.cold.117+0xb7/0x1bd [ 353.168105] 0 2818 [ 353.171204] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 353.175503] 6321 [ 353.177747] ? lock_downgrade+0x900/0x900 [ 353.182557] 6321 [ 353.184628] ? trace_hardirqs_off+0xb8/0x310 [ 353.188741] Node 0 [ 353.190795] ? trace_hardirqs_off+0xb8/0x310 [ 353.195202] DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 353.197408] __alloc_pages_slowpath+0x2660/0x2d70 [ 353.201782] lowmem_reserve[]: 0 [ 353.228778] ? warn_alloc+0x120/0x120 [ 353.233567] 0 3503 [ 353.236840] ? warn_alloc+0x120/0x120 [ 353.240614] 3503 [ 353.242855] ? print_usage_bug+0xc0/0xc0 [ 353.248678] ? warn_alloc+0x120/0x120 [ 353.252710] Node 0 Normal free:13768kB min:37364kB low:46704kB high:56044kB active_anon:184012kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5600kB pagetables:2560kB bounce:0kB free_pcp:1676kB local_pcp:800kB free_cma:0kB [ 353.256538] ? print_usage_bug+0xc0/0xc0 [ 353.256572] ? __lock_acquire+0x62f/0x4c20 [ 353.285596] lowmem_reserve[]: 0 [ 353.289649] ? __lock_acquire+0x62f/0x4c20 [ 353.293863] 0 [ 353.297131] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 353.301330] 0 0 [ 353.303123] ? should_fail+0x22d/0xd01 [ 353.308629] Node 0 [ 353.310591] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 353.314446] DMA: [ 353.316667] ? __lock_acquire+0x62f/0x4c20 [ 353.321757] 1*4kB [ 353.323807] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 353.328010] (U) [ 353.330145] ? __lock_acquire+0x62f/0x4c20 [ 353.335220] 0*8kB [ 353.337180] ? should_fail+0x22d/0xd01 [ 353.341380] 0*16kB 1*32kB [ 353.343525] ? find_held_lock+0x36/0x1c0 [ 353.347382] (U) [ 353.350220] ? mark_held_locks+0x130/0x130 [ 353.354254] 2*64kB (U) [ 353.356222] ? mark_held_locks+0x130/0x130 [ 353.360429] 1*128kB [ 353.362991] ? zap_class+0x640/0x640 [ 353.363005] ? zap_class+0x640/0x640 [ 353.367219] (U) 1*256kB [ 353.369543] ? print_usage_bug+0xc0/0xc0 [ 353.373228] (U) [ 353.376926] ? do_raw_spin_unlock+0xa7/0x330 [ 353.379570] 0*512kB 1*1024kB [ 353.383624] ? zap_class+0x640/0x640 [ 353.385572] (U) [ 353.389966] ? print_usage_bug+0xc0/0xc0 [ 353.393049] 1*2048kB [ 353.396745] ? wq_watchdog_touch+0x9c/0xfe [ 353.398689] (M) [ 353.402737] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.405113] 3*4096kB (M) [ 353.409337] ? check_preemption_disabled+0x48/0x280 [ 353.411277] = 15908kB [ 353.411284] Node 0 [ 353.416812] ? __lock_is_held+0xb5/0x140 [ 353.419534] DMA32: [ 353.424535] __alloc_pages_nodemask+0xa80/0xde0 [ 353.426913] 5*4kB [ 353.429150] ? zap_class+0x640/0x640 [ 353.433180] (UM) [ 353.435406] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 353.440071] 1*8kB [ 353.442223] ? find_held_lock+0x36/0x1c0 [ 353.445902] (H) [ 353.447960] ? ____cache_alloc_node+0x1c7/0x1e0 [ 353.452943] 2*16kB (M) [ 353.455086] ? lock_downgrade+0x900/0x900 [ 353.459116] 3*32kB [ 353.461083] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.465720] (M) [ 353.468297] cache_grow_begin+0xa5/0x8c0 [ 353.472413] 3*64kB [ 353.474643] ? do_raw_spin_unlock+0xa7/0x330 [ 353.480149] (MH) [ 353.482114] fallback_alloc+0x204/0x2e0 [ 353.486139] 4*128kB (M) [ 353.488371] ____cache_alloc_node+0x1c7/0x1e0 [ 353.492745] 5*256kB (UMH) [ 353.494804] kmem_cache_alloc_node+0xe3/0x730 [ 353.498740] 5*512kB (UMH) [ 353.501401] ? ipv6_get_ifaddr+0x42e/0x620 [ 353.505863] 4*1024kB (UMH) [ 353.508707] __alloc_skb+0x119/0x770 [ 353.513498] 2*2048kB (UM) [ 353.516348] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 353.520543] 3*4096kB (M) [ 353.523490] ? netdev_alloc_frag+0x1f0/0x1f0 [ 353.527163] = 25180kB [ 353.527170] Node 0 [ 353.530004] ? lock_downgrade+0x900/0x900 [ 353.535245] Normal: 1870*4kB [ 353.538005] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.542376] (UME) [ 353.544771] ? refcount_sub_and_test_checked+0x203/0x310 [ 353.546977] 407*8kB (UMEH) [ 353.551143] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 353.554214] 106*16kB (UME) [ 353.559743] ? addrconf_rs_timer+0x690/0x690 [ 353.561858] 42*32kB (MH) [ 353.567310] ndisc_alloc_skb+0x144/0x340 [ 353.570201] 1*64kB (U) [ 353.575645] ndisc_send_rs+0x331/0x6e0 [ 353.578540] 0*128kB 0*256kB [ 353.582941] addrconf_rs_timer+0x314/0x690 [ 353.585662] 0*512kB 0*1024kB [ 353.589716] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 353.592285] 0*2048kB [ 353.596167] call_timer_fn+0x272/0x920 [ 353.599148] 0*4096kB [ 353.603365] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 353.606439] = 13840kB [ 353.606458] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 353.610675] ? process_timeout+0x40/0x40 [ 353.613060] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 353.616935] ? __run_timers+0x7da/0xc70 [ 353.619315] 7036 total pagecache pages [ 353.623539] ? _raw_spin_unlock_irq+0x27/0x80 [ 353.625925] 0 pages in swap cache [ 353.634738] ? _raw_spin_unlock_irq+0x27/0x80 [ 353.638770] Swap cache stats: add 0, delete 0, find 0/0 [ 353.647324] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 353.651283] Free swap = 0kB [ 353.655155] ? lockdep_hardirqs_on+0x296/0x5b0 [ 353.659620] Total swap = 0kB [ 353.663064] ? trace_hardirqs_on+0xbd/0x310 [ 353.667540] 1965979 pages RAM [ 353.672894] ? kasan_check_read+0x11/0x20 [ 353.677091] 0 pages HighMem/MovableOnly [ 353.677098] 342867 pages reserved [ 353.680103] ? __run_timers+0x7da/0xc70 [ 353.685181] 0 pages cma reserved [ 353.685289] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 353.688201] ? trace_hardirqs_off_caller+0x310/0x310 [ 353.698020] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 353.699728] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 353.703674] ksoftirqd/1 cpuset= [ 353.707115] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 353.711060] / [ 353.714413] __run_timers+0x7e5/0xc70 [ 353.720874] mems_allowed=0 [ 353.725967] ? timer_fixup_init+0x70/0x70 [ 353.760471] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 353.765484] ? zap_class+0x640/0x640 [ 353.769193] ? enqueue_hrtimer+0x1a5/0x560 [ 353.773423] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 353.778619] ? find_held_lock+0x36/0x1c0 [ 353.782677] ? zap_class+0x640/0x640 [ 353.786385] ? pvclock_read_flags+0x160/0x160 [ 353.790873] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.796402] ? check_preemption_disabled+0x48/0x280 [ 353.801420] ? __lock_is_held+0xb5/0x140 [ 353.805500] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.811031] ? check_preemption_disabled+0x48/0x280 [ 353.816043] run_timer_softirq+0x52/0xb0 [ 353.820098] ? rcu_read_lock_sched_held+0x14f/0x180 [ 353.825124] __do_softirq+0x308/0xb7e [ 353.828921] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 353.833424] ? lock_downgrade+0x900/0x900 [ 353.837578] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 353.842690] ? pvclock_read_flags+0x160/0x160 [ 353.847180] ? lapic_next_event+0x5a/0x90 [ 353.851325] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.856860] ? kvm_clock_read+0x18/0x30 [ 353.860830] ? kvm_sched_clock_read+0x9/0x20 [ 353.865230] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.870759] ? check_preemption_disabled+0x48/0x280 [ 353.875784] irq_exit+0x17f/0x1c0 [ 353.879253] smp_apic_timer_interrupt+0x1cb/0x760 [ 353.884091] ? smp_reschedule_interrupt+0x109/0x650 [ 353.889104] ? smp_call_function_single_interrupt+0x650/0x650 [ 353.894996] ? interrupt_entry+0xb5/0xc0 [ 353.899061] ? trace_hardirqs_off_caller+0xbb/0x310 [ 353.904089] ? trace_hardirqs_off_caller+0xbb/0x310 [ 353.909100] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 353.913933] ? trace_hardirqs_on_caller+0x310/0x310 [ 353.918943] ? trace_hardirqs_on_caller+0x310/0x310 [ 353.923953] ? task_prio+0x50/0x50 [ 353.927573] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.933102] ? check_preemption_disabled+0x48/0x280 [ 353.938120] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 353.942963] apic_timer_interrupt+0xf/0x20 [ 353.947187] [ 353.949457] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 353.955347] Code: 41 7e 0f 85 32 ff ff ff e8 33 c3 3f ff e9 28 ff ff ff e8 8a 8d c3 ff 48 83 3d e2 3b 91 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 6a b1 [ 353.974239] RSP: 0000:ffff88019c63f4a0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 353.981946] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 353.989203] RDX: 0000000000000000 RSI: ffff8801929e68c0 RDI: 0000000000000286 [ 353.996464] RBP: ffff88019c63f518 R08: ffff8801929e6040 R09: 0000000000000000 [ 354.003724] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0 [ 354.010983] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286 [ 354.018349] ? save_stack+0xa9/0xd0 [ 354.021978] __kmalloc_node_track_caller+0x33/0x70 [ 354.026912] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 354.031666] pskb_expand_head+0x230/0x10f0 [ 354.035891] ? check_preemption_disabled+0x48/0x280 [ 354.040902] ? memcpy+0x45/0x50 [ 354.044174] ? __copy_skb_header+0x350/0x6b0 [ 354.048579] ? skb_release_data+0x880/0x880 [ 354.052890] ? __alloc_skb+0x770/0x770 [ 354.056774] ? __lock_is_held+0xb5/0x140 [ 354.060832] ? kasan_check_write+0x14/0x20 [ 354.065057] ? __skb_clone+0x6c7/0xa00 [ 354.068955] ? __copy_skb_header+0x6b0/0x6b0 [ 354.073353] ? kmem_cache_alloc+0x33a/0x730 [ 354.077665] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.083199] skb_ensure_writable+0x3dd/0x640 [ 354.087604] ? skb_checksum_setup+0xaa0/0xaa0 [ 354.092108] ? preempt_notifier_register+0x200/0x200 [ 354.097222] ? __switch_to_asm+0x34/0x70 [ 354.101278] ? __switch_to_asm+0x34/0x70 [ 354.105333] ? __switch_to_asm+0x40/0x70 [ 354.109385] ? __switch_to_asm+0x34/0x70 [ 354.113449] ? __switch_to_asm+0x40/0x70 [ 354.117507] ? __switch_to_asm+0x40/0x70 [ 354.121565] ? __switch_to_asm+0x34/0x70 [ 354.125618] ? __switch_to_asm+0x34/0x70 [ 354.129673] ? __switch_to_asm+0x40/0x70 [ 354.133724] ? __switch_to_asm+0x34/0x70 [ 354.137780] bpf_clone_redirect+0x14a/0x490 [ 354.142102] bpf_prog_bebbfe2050753572+0x325/0x1000 [ 354.147114] ? __sched_text_start+0x8/0x8 [ 354.151265] ? find_held_lock+0x36/0x1c0 [ 354.155336] ? lock_acquire+0x1ed/0x520 [ 354.159304] ? bpf_test_run+0x3cb/0x780 [ 354.163270] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.168805] ? check_preemption_disabled+0x48/0x280 [ 354.173819] ? kasan_check_read+0x11/0x20 [ 354.177962] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 354.183234] ? rcu_softirq_qs+0x20/0x20 [ 354.187203] ? preempt_schedule+0x4d/0x60 [ 354.191351] ? ___preempt_schedule+0x16/0x18 [ 354.195762] ? bpf_test_run+0x25d/0x780 [ 354.199739] ? netlink_diag_dump+0x2a0/0x2a0 [ 354.204144] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 354.209704] ? bpf_test_init.isra.10+0x70/0x100 [ 354.214370] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 354.219126] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 354.223965] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 354.229497] ? fput+0x130/0x1a0 [ 354.232773] ? __bpf_prog_get+0x9b/0x290 [ 354.236853] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 354.241687] ? bpf_prog_test_run+0x130/0x1a0 [ 354.246093] ? __x64_sys_bpf+0x3d8/0x520 [ 354.250149] ? bpf_prog_get+0x20/0x20 [ 354.253960] ? do_syscall_64+0x1b9/0x820 [ 354.258012] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 354.263368] ? syscall_return_slowpath+0x5e0/0x5e0 [ 354.268333] ? trace_hardirqs_on_caller+0x310/0x310 [ 354.273343] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 354.278354] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 354.285013] ? __switch_to_asm+0x40/0x70 [ 354.289066] ? __switch_to_asm+0x34/0x70 [ 354.293131] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 354.297995] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 354.303383] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.19.0+ #72 [ 354.303464] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 354.309873] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 354.309880] Call Trace: [ 354.316517] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 354.325688] dump_stack+0x244/0x39d [ 354.328249] syz-executor0 cpuset= [ 354.338721] ? dump_stack_print_info.cold.1+0x20/0x20 [ 354.342314] syz0 [ 354.345763] warn_alloc.cold.117+0xb7/0x1bd [ 354.350917] mems_allowed=0 [ 354.352879] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 354.364915] ? lock_downgrade+0x900/0x900 [ 354.369062] ? trace_hardirqs_off+0xb8/0x310 [ 354.373471] ? trace_hardirqs_off+0xb8/0x310 [ 354.377877] __alloc_pages_slowpath+0x2660/0x2d70 [ 354.382744] ? warn_alloc+0x120/0x120 [ 354.386539] ? warn_alloc+0x120/0x120 [ 354.390348] ? print_usage_bug+0xc0/0xc0 [ 354.394406] ? warn_alloc+0x120/0x120 [ 354.398201] ? print_usage_bug+0xc0/0xc0 [ 354.402261] ? __read_once_size_nocheck.constprop.8+0x10/0x10 [ 354.408142] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 354.413672] ? should_fail+0x22d/0xd01 [ 354.417556] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 354.422655] ? __lock_acquire+0x62f/0x4c20 [ 354.426900] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 354.431992] ? should_fail+0x22d/0xd01 [ 354.435887] ? mark_held_locks+0x130/0x130 [ 354.440123] ? mark_held_locks+0x130/0x130 [ 354.444353] ? print_usage_bug+0xc0/0xc0 [ 354.448418] ? ret_from_fork+0x3a/0x50 [ 354.452306] ? kasan_check_read+0x11/0x20 [ 354.456456] ? __zone_watermark_ok+0x330/0x7b0 [ 354.461040] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.466573] ? check_preemption_disabled+0x48/0x280 [ 354.471593] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 354.477137] ? rcu_pm_notify+0xc0/0xc0 [ 354.481025] __alloc_pages_nodemask+0xa80/0xde0 [ 354.485690] ? zap_class+0x640/0x640 [ 354.489406] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 354.494434] ? find_held_lock+0x36/0x1c0 [ 354.498504] ? ____cache_alloc_node+0x1c7/0x1e0 [ 354.503166] ? lock_downgrade+0x900/0x900 [ 354.507317] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.512859] cache_grow_begin+0xa5/0x8c0 [ 354.516915] ? do_raw_spin_unlock+0xa7/0x330 [ 354.521324] fallback_alloc+0x204/0x2e0 [ 354.525295] ____cache_alloc_node+0x1c7/0x1e0 [ 354.529786] kmem_cache_alloc+0x1f8/0x730 [ 354.533936] __build_skb+0xab/0x430 [ 354.537558] ? rcu_read_lock_sched_held+0x14f/0x180 [ 354.542565] ? skb_try_coalesce+0x1b70/0x1b70 [ 354.547058] ? __alloc_pages_nodemask+0xde0/0xde0 [ 354.551896] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.557425] ? check_preemption_disabled+0x48/0x280 [ 354.562440] __napi_alloc_skb+0x1d6/0x310 [ 354.566584] page_to_skb.isra.41+0xee/0x8d0 [ 354.570925] ? check_preemption_disabled+0x48/0x280 [ 354.575939] ? virtnet_cpu_online+0x40/0x40 [ 354.580253] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 354.585174] ? kasan_check_read+0x11/0x20 [ 354.589310] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 354.594595] ? rcu_softirq_qs+0x20/0x20 [ 354.598570] receive_mergeable+0x155d/0x3a90 [ 354.602984] ? virtnet_probe+0x2240/0x2240 [ 354.607211] ? __ia32_sys_membarrier+0xb1/0x150 [ 354.611874] ? sock_put+0x30/0x50 [ 354.615327] ? tcp_v4_rcv+0x1c7/0x3d20 [ 354.619214] ? __isolate_free_page+0x610/0x610 [ 354.623797] ? __lock_acquire+0x62f/0x4c20 [ 354.628029] ? __lock_acquire+0x62f/0x4c20 [ 354.632265] ? mark_held_locks+0x130/0x130 [ 354.636498] ? mark_held_locks+0x130/0x130 [ 354.640731] ? mark_held_locks+0x130/0x130 [ 354.644955] ? update_curr+0x4cf/0xbd0 [ 354.648838] ? lock_downgrade+0x900/0x900 [ 354.652984] ? check_preemption_disabled+0x48/0x280 [ 354.658002] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 354.662926] ? kasan_check_read+0x11/0x20 [ 354.667071] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.672600] ? wakeup_kcompactd+0x2f6/0x730 [ 354.676951] ? compaction_unregister_node+0x20/0x20 [ 354.681966] ? __cpuset_node_allowed+0x19b/0x660 [ 354.686718] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 354.692417] ? __account_cfs_rq_runtime+0x790/0x790 [ 354.697424] ? zap_class+0x640/0x640 [ 354.701134] ? wakeup_kswapd+0x304/0x7a0 [ 354.705190] ? isolate_lru_page+0x22e0/0x22e0 [ 354.709690] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 354.714535] ? lock_downgrade+0x900/0x900 [ 354.718681] ? trace_hardirqs_off+0xb8/0x310 [ 354.723083] ? print_usage_bug+0xc0/0xc0 [ 354.727136] ? trace_hardirqs_off+0xb8/0x310 [ 354.731538] ? __alloc_pages_slowpath+0x2660/0x2d70 [ 354.736555] ? rb_erase_cached+0xc78/0x3720 [ 354.740873] ? __lock_acquire+0x62f/0x4c20 [ 354.745111] ? rb_next+0x140/0x140 [ 354.748663] ? mark_held_locks+0x130/0x130 [ 354.752901] ? __lock_acquire+0x62f/0x4c20 [ 354.757129] ? print_usage_bug+0xc0/0xc0 [ 354.761183] ? print_usage_bug+0xc0/0xc0 [ 354.765238] ? print_usage_bug+0xc0/0xc0 [ 354.769294] ? print_usage_bug+0xc0/0xc0 [ 354.773394] receive_buf+0xb3c/0x3270 [ 354.777195] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.782725] ? __msecs_to_jiffies+0x4a/0x60 [ 354.787041] ? update_group_capacity+0xf9/0x11a0 [ 354.791811] ? receive_mergeable+0x3a90/0x3a90 [ 354.796398] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 354.801407] ? print_usage_bug+0xc0/0xc0 [ 354.805466] ? cpumask_next_and+0x49/0x50 [ 354.809612] ? update_sd_lb_stats+0x41b/0x3230 [ 354.814193] ? zap_class+0x640/0x640 [ 354.817904] ? __lock_acquire+0x62f/0x4c20 [ 354.822151] ? __update_load_avg_blocked_se+0x690/0x690 [ 354.827521] ? __update_load_avg_se+0xae0/0xae0 [ 354.832182] ? __lock_is_held+0xb5/0x140 [ 354.836232] ? zap_class+0x640/0x640 [ 354.839962] ? update_load_avg+0x387/0x2470 [ 354.844276] ? __update_load_avg_blocked_se+0x690/0x690 [ 354.849640] ? attach_entity_load_avg+0x860/0x860 [ 354.854494] ? update_load_avg+0x387/0x2470 [ 354.858823] ? attach_entity_load_avg+0x860/0x860 [ 354.863662] ? find_held_lock+0x36/0x1c0 [ 354.867713] ? zap_class+0x640/0x640 [ 354.871427] ? mark_held_locks+0x130/0x130 [ 354.875653] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.881185] ? vring_use_dma_api+0xa5/0xc0 [ 354.885425] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 354.890957] ? vring_unmap_one+0x5a/0x410 [ 354.895095] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 354.900638] ? detach_buf+0x34b/0x5d0 [ 354.904439] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 354.909969] ? virtqueue_get_buf_ctx+0x3d5/0x820 [ 354.914733] ? detach_buf+0x5d0/0x5d0 [ 354.918534] ? print_usage_bug+0xc0/0xc0 [ 354.922592] virtnet_poll+0x421/0x105f [ 354.926485] ? receive_buf+0x3270/0x3270 [ 354.930546] ? __lock_acquire+0x62f/0x4c20 [ 354.934792] ? net_rx_action+0x4b5/0x19b0 [ 354.938941] ? net_rx_action+0x4b5/0x19b0 [ 354.943083] ? lockdep_hardirqs_on+0x296/0x5b0 [ 354.947666] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.953199] ? check_preemption_disabled+0x48/0x280 [ 354.958211] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.963755] net_rx_action+0x7fa/0x19b0 [ 354.967736] ? napi_complete_done+0x7a0/0x7a0 [ 354.972225] ? rcu_read_lock_sched_held+0x14f/0x180 [ 354.977235] ? rcu_note_context_switch+0x12ad/0x2150 [ 354.982366] ? zap_class+0x640/0x640 [ 354.986071] ? run_rebalance_domains+0x500/0x500 [ 354.990829] ? find_held_lock+0x36/0x1c0 [ 354.994899] ? finish_task_switch+0x1f4/0x910 [ 354.999388] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 355.004915] ? __run_timers+0xa4a/0xc70 [ 355.008896] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 355.013468] ? trace_hardirqs_on+0xbd/0x310 [ 355.017778] ? kasan_check_read+0x11/0x20 [ 355.021927] ? finish_task_switch+0x1f4/0x910 [ 355.026418] ? timer_fixup_init+0x70/0x70 [ 355.030557] ? compat_start_thread+0x80/0x80 [ 355.034963] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.040513] ? kasan_check_write+0x14/0x20 [ 355.044741] ? finish_task_switch+0x2f4/0x910 [ 355.049223] ? __switch_to_asm+0x40/0x70 [ 355.053276] ? preempt_notifier_register+0x200/0x200 [ 355.058365] ? __switch_to_asm+0x34/0x70 [ 355.062419] ? __switch_to_asm+0x34/0x70 [ 355.066471] ? __switch_to_asm+0x40/0x70 [ 355.070521] ? __switch_to_asm+0x34/0x70 [ 355.074570] ? __switch_to_asm+0x40/0x70 [ 355.078621] ? __switch_to_asm+0x34/0x70 [ 355.082672] ? __switch_to_asm+0x40/0x70 [ 355.086744] ? __switch_to_asm+0x34/0x70 [ 355.090803] ? pvclock_read_flags+0x160/0x160 [ 355.095290] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.100836] ? check_preemption_disabled+0x48/0x280 [ 355.105868] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 355.111400] ? rcu_pm_notify+0xc0/0xc0 [ 355.115290] __do_softirq+0x308/0xb7e [ 355.119088] ? retint_kernel+0x2d/0x2d [ 355.122971] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 355.128065] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 355.133519] ? smpboot_thread_fn+0x334/0xa00 [ 355.137941] ? schedule+0x108/0x460 [ 355.141569] ? trace_hardirqs_off+0xb8/0x310 [ 355.145974] ? smpboot_thread_fn+0x68b/0xa00 [ 355.150377] ? trace_hardirqs_on+0x310/0x310 [ 355.154789] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 355.160336] ? check_preemption_disabled+0x48/0x280 [ 355.165365] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.170894] ? takeover_tasklets+0xa90/0xa90 [ 355.175297] run_ksoftirqd+0x5e/0x100 [ 355.179098] smpboot_thread_fn+0x68b/0xa00 [ 355.183335] ? sort_range+0x30/0x30 [ 355.186962] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 355.192062] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 355.197594] ? __kthread_parkme+0xfb/0x1a0 [ 355.201852] kthread+0x35a/0x420 [ 355.205210] ? sort_range+0x30/0x30 [ 355.208835] ? kthread_stop+0x900/0x900 [ 355.212805] ret_from_fork+0x3a/0x50 [ 355.216523] warn_alloc_show_mem: 1 callbacks suppressed [ 355.216531] CPU: 0 PID: 17787 Comm: syz-executor0 Not tainted 4.19.0+ #72 [ 355.216533] Mem-Info: [ 355.216560] active_anon:46515 inactive_anon:2315 isolated_anon:0 [ 355.216560] active_file:13 inactive_file:13 isolated_file:0 [ 355.216560] unevictable:0 dirty:0 writeback:0 unstable:0 [ 355.216560] slab_reclaimable:9349 slab_unreclaimable:1470591 [ 355.216560] mapped:40962 shmem:7010 pagetables:640 bounce:0 [ 355.216560] free:13718 free_pcp:498 free_cma:0 [ 355.221891] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 355.228807] Node 0 active_anon:186060kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:28040kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 355.231195] Call Trace: [ 355.264222] Node 0 [ 355.273565] [ 355.301229] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 355.303779] dump_stack+0x244/0x39d [ 355.305979] lowmem_reserve[]: 0 [ 355.308118] ? dump_stack_print_info.cold.1+0x20/0x20 [ 355.333578] 2818 6321 [ 355.337204] warn_alloc.cold.117+0xb7/0x1bd [ 355.340458] 6321 [ 355.345650] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 355.348127] Node 0 [ 355.352435] ? lock_downgrade+0x900/0x900 [ 355.354491] DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 355.359299] ? trace_hardirqs_off+0xb8/0x310 [ 355.361500] lowmem_reserve[]: 0 [ 355.365744] ? trace_hardirqs_off+0xb8/0x310 [ 355.392681] 0 3503 [ 355.397084] __alloc_pages_slowpath+0x2660/0x2d70 [ 355.400345] 3503 [ 355.404779] ? warn_alloc+0x120/0x120 [ 355.406965] Node 0 [ 355.411796] ? warn_alloc+0x120/0x120 [ 355.413851] Normal free:13784kB min:37364kB low:46704kB high:56044kB active_anon:184012kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5600kB pagetables:2560kB bounce:0kB free_pcp:1744kB local_pcp:868kB free_cma:0kB [ 355.417627] ? print_usage_bug+0xc0/0xc0 [ 355.419834] lowmem_reserve[]: 0 [ 355.423631] ? warn_alloc+0x120/0x120 [ 355.452053] 0 0 [ 355.456110] ? print_usage_bug+0xc0/0xc0 [ 355.459358] 0 [ 355.463150] ? __lock_acquire+0x62f/0x4c20 [ 355.465098] Node 0 [ 355.469141] ? __lock_acquire+0x62f/0x4c20 [ 355.470920] DMA: 1*4kB [ 355.475155] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 355.477364] (U) [ 355.481581] ? should_fail+0x22d/0xd01 [ 355.484142] 0*8kB 0*16kB [ 355.489671] ? __lock_acquire+0x62f/0x4c20 [ 355.491611] 1*32kB (U) [ 355.495489] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 355.498219] 2*64kB [ 355.502452] ? __lock_acquire+0x62f/0x4c20 [ 355.505005] (U) 1*128kB [ 355.510101] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 355.512309] (U) 1*256kB (U) [ 355.517031] ? __lock_acquire+0x62f/0x4c20 [ 355.519689] 0*512kB [ 355.524775] ? should_fail+0x22d/0xd01 [ 355.527765] 1*1024kB [ 355.531989] ? mark_held_locks+0x130/0x130 [ 355.534286] (U) [ 355.538175] ? mark_held_locks+0x130/0x130 [ 355.540554] 1*2048kB (M) [ 355.544792] ? zap_class+0x640/0x640 [ 355.546741] 3*4096kB (M) [ 355.550987] ? print_usage_bug+0xc0/0xc0 [ 355.553710] = 15908kB [ 355.553717] Node 0 [ 355.557415] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.560138] DMA32: 5*4kB [ 355.564187] ? check_preemption_disabled+0x48/0x280 [ 355.566567] (UM) [ 355.568796] ? __lock_is_held+0xb5/0x140 [ 355.574302] 1*8kB (H) 2*16kB [ 355.577060] __alloc_pages_nodemask+0xa80/0xde0 [ 355.582044] (M) [ 355.584089] ? zap_class+0x640/0x640 [ 355.588122] 3*32kB [ 355.591216] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 355.595853] (M) [ 355.597827] ? find_held_lock+0x36/0x1c0 [ 355.601502] 3*64kB (MH) [ 355.603736] ? ____cache_alloc_node+0x1c7/0x1e0 [ 355.608715] 4*128kB (M) [ 355.610686] ? lock_downgrade+0x900/0x900 [ 355.614721] 5*256kB (UMH) [ 355.617393] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.622023] 5*512kB (UMH) [ 355.624688] cache_grow_begin+0xa5/0x8c0 [ 355.628804] 4*1024kB (UMH) [ 355.631637] ? do_raw_spin_unlock+0xa7/0x330 [ 355.637146] 2*2048kB [ 355.639977] fallback_alloc+0x204/0x2e0 [ 355.644005] (UM) [ 355.646937] ____cache_alloc_node+0x1c7/0x1e0 [ 355.651317] 3*4096kB [ 355.653732] kmem_cache_alloc_node+0xe3/0x730 [ 355.657672] (M) = 25180kB [ 355.659738] ? ipv6_get_ifaddr+0x42e/0x620 [ 355.664214] Node 0 [ 355.666630] __alloc_skb+0x119/0x770 [ 355.671086] Normal: 1870*4kB [ 355.673837] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 355.678040] (UME) [ 355.680269] ? netdev_alloc_frag+0x1f0/0x1f0 [ 355.684452] 407*8kB (UMEH) [ 355.687558] ? lock_downgrade+0x900/0x900 [ 355.692800] 106*16kB (UME) [ 355.694944] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.699318] 42*32kB [ 355.702236] ? refcount_sub_and_test_checked+0x203/0x310 [ 355.706352] (MH) [ 355.709271] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 355.714768] 1*64kB (U) [ 355.717082] ? addrconf_rs_timer+0x690/0x690 [ 355.722493] 0*128kB 0*256kB [ 355.724560] ndisc_alloc_skb+0x144/0x340 [ 355.729978] 0*512kB [ 355.732546] ndisc_send_rs+0x331/0x6e0 [ 355.736922] 0*1024kB [ 355.739931] addrconf_rs_timer+0x314/0x690 [ 355.743958] 0*2048kB [ 355.746268] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 355.750122] 0*4096kB = 13840kB [ 355.752534] call_timer_fn+0x272/0x920 [ 355.756734] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 355.759126] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 355.763351] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 355.766523] ? process_timeout+0x40/0x40 [ 355.770379] 7036 total pagecache pages [ 355.779205] ? __run_timers+0x7da/0xc70 [ 355.783409] 0 pages in swap cache [ 355.791968] ? _raw_spin_unlock_irq+0x27/0x80 [ 355.796000] Swap cache stats: add 0, delete 0, find 0/0 [ 355.799867] ? _raw_spin_unlock_irq+0x27/0x80 [ 355.803809] Free swap = 0kB [ 355.807248] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 355.811713] Total swap = 0kB [ 355.817059] ? lockdep_hardirqs_on+0x296/0x5b0 [ 355.821526] 1965979 pages RAM [ 355.824532] ? trace_hardirqs_on+0xbd/0x310 [ 355.828728] 0 pages HighMem/MovableOnly [ 355.828735] 342867 pages reserved [ 355.831741] ? kasan_check_read+0x11/0x20 [ 355.836296] 0 pages cma reserved [ 355.839386] ? __run_timers+0x7da/0xc70 [ 355.861102] Mem-Info: [ 355.862518] ? trace_hardirqs_off_caller+0x310/0x310 [ 355.862543] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 355.862561] __run_timers+0x7e5/0xc70 [ 355.864968] active_anon:46515 inactive_anon:2315 isolated_anon:0 [ 355.864968] active_file:13 inactive_file:13 isolated_file:0 [ 355.864968] unevictable:0 dirty:0 writeback:0 unstable:0 [ 355.864968] slab_reclaimable:9349 slab_unreclaimable:1470591 [ 355.864968] mapped:40962 shmem:7010 pagetables:640 bounce:0 [ 355.864968] free:13718 free_pcp:498 free_cma:0 [ 355.870043] ? timer_fixup_init+0x70/0x70 [ 355.901011] Node 0 active_anon:186060kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:152748kB dirty:0kB writeback:0kB shmem:28040kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 355.911088] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 355.911102] ? zap_class+0x640/0x640 [ 355.911118] ? enqueue_hrtimer+0x1a5/0x560 [ 355.927407] Node 0 [ 355.942996] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 355.943015] ? find_held_lock+0x36/0x1c0 [ 355.943032] ? zap_class+0x640/0x640 [ 355.948047] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 355.951722] ? pvclock_read_flags+0x160/0x160 [ 355.955943] lowmem_reserve[]: [ 355.958154] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.963332] 0 [ 355.967366] ? check_preemption_disabled+0x48/0x280 [ 355.971048] 2818 [ 355.996549] ? __lock_is_held+0xb5/0x140 [ 355.996583] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.001053] 6321 [ 356.004143] ? check_preemption_disabled+0x48/0x280 [ 356.004160] run_timer_softirq+0x52/0xb0 [ 356.004188] ? rcu_read_lock_sched_held+0x14f/0x180 [ 356.009695] 6321 [ 356.011486] __do_softirq+0x308/0xb7e [ 356.018539] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 356.022590] Node 0 [ 356.028088] ? lock_downgrade+0x900/0x900 [ 356.028104] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 356.030161] DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 356.035142] ? pvclock_read_flags+0x160/0x160 [ 356.035155] ? lapic_next_event+0x5a/0x90 [ 356.035171] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.039203] lowmem_reserve[]: [ 356.044207] ? kvm_clock_read+0x18/0x30 [ 356.044219] ? kvm_sched_clock_read+0x9/0x20 [ 356.044235] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.046278] 0 [ 356.050062] ? check_preemption_disabled+0x48/0x280 [ 356.054552] 0 [ 356.056760] irq_exit+0x17f/0x1c0 [ 356.060873] 3503 [ 356.065959] smp_apic_timer_interrupt+0x1cb/0x760 [ 356.065971] ? smp_reschedule_interrupt+0x109/0x650 [ 356.065988] ? smp_call_function_single_interrupt+0x650/0x650 [ 356.092955] 3503 [ 356.097422] ? interrupt_entry+0xb5/0xc0 [ 356.107056] ? trace_hardirqs_off_caller+0xbb/0x310 [ 356.107069] ? trace_hardirqs_off_caller+0xbb/0x310 [ 356.107086] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 356.110164] Node 0 [ 356.114119] ? trace_hardirqs_on_caller+0x310/0x310 [ 356.114132] ? trace_hardirqs_on_caller+0x310/0x310 [ 356.114146] ? task_prio+0x50/0x50 [ 356.118571] Normal free:13784kB min:37364kB low:46704kB high:56044kB active_anon:183912kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5568kB pagetables:2412kB bounce:0kB free_pcp:2076kB local_pcp:1200kB free_cma:0kB [ 356.124065] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.124077] ? check_preemption_disabled+0x48/0x280 [ 356.124094] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 356.125865] lowmem_reserve[]: [ 356.130891] apic_timer_interrupt+0xf/0x20 [ 356.132683] 0 [ 356.136095] [ 356.138133] 0 [ 356.142959] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 356.142986] Code: 41 7e 0f 85 32 ff ff ff e8 33 c3 3f ff e9 28 ff ff ff e8 8a 8d c3 ff 48 83 3d e2 3b 91 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 6a b1 [ 356.142995] RSP: 0000:ffff88019c63f4a0 EFLAGS: 00000286 [ 356.147988] 0 [ 356.153849] ORIG_RAX: ffffffffffffff13 [ 356.153858] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 356.153866] RDX: 0000000000000000 RSI: ffff8801929e68c0 RDI: 0000000000000286 [ 356.153873] RBP: ffff88019c63f518 R08: ffff8801929e6040 R09: 0000000000000000 [ 356.153884] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0 [ 356.155920] 0 [ 356.159953] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286 [ 356.159985] ? save_stack+0xa9/0xd0 [ 356.169968] __kmalloc_node_track_caller+0x33/0x70 [ 356.174799] Node 0 [ 356.177009] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 356.181992] DMA: [ 356.186998] pskb_expand_head+0x230/0x10f0 [ 356.187009] ? check_preemption_disabled+0x48/0x280 [ 356.187027] ? memcpy+0x45/0x50 [ 356.190541] 1*4kB [ 356.219068] ? __copy_skb_header+0x350/0x6b0 [ 356.219082] ? skb_release_data+0x880/0x880 [ 356.219096] ? __alloc_skb+0x770/0x770 [ 356.224624] (U) [ 356.229614] ? __lock_is_held+0xb5/0x140 [ 356.234444] 0*8kB [ 356.237518] ? kasan_check_write+0x14/0x20 [ 356.241720] 0*16kB [ 356.243504] ? __skb_clone+0x6c7/0xa00 [ 356.243520] ? __copy_skb_header+0x6b0/0x6b0 [ 356.243534] ? kmem_cache_alloc+0x33a/0x730 [ 356.245744] 1*32kB [ 356.247532] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.253409] (U) [ 356.272282] skb_ensure_writable+0x3dd/0x640 [ 356.272299] ? skb_checksum_setup+0xaa0/0xaa0 [ 356.277661] 2*64kB [ 356.279436] ? preempt_notifier_register+0x200/0x200 [ 356.283399] (U) [ 356.290632] ? __switch_to_asm+0x34/0x70 [ 356.290646] ? __switch_to_asm+0x34/0x70 [ 356.297914] 1*128kB [ 356.305154] ? __switch_to_asm+0x40/0x70 [ 356.305167] ? __switch_to_asm+0x34/0x70 [ 356.305182] ? __switch_to_asm+0x40/0x70 [ 356.312424] (U) [ 356.314252] ? __switch_to_asm+0x40/0x70 [ 356.314269] ? __switch_to_asm+0x34/0x70 [ 356.321512] 1*256kB [ 356.325118] ? __switch_to_asm+0x34/0x70 [ 356.325131] ? __switch_to_asm+0x40/0x70 [ 356.325146] ? __switch_to_asm+0x34/0x70 [ 356.330053] (U) [ 356.332275] bpf_clone_redirect+0x14a/0x490 [ 356.337022] 0*512kB [ 356.339075] bpf_prog_bebbfe2050753572+0x325/0x1000 [ 356.343300] 1*1024kB [ 356.348288] ? __sched_text_start+0x8/0x8 [ 356.351535] (U) [ 356.353678] ? find_held_lock+0x36/0x1c0 [ 356.353699] ? lock_acquire+0x1ed/0x520 [ 356.358075] 1*2048kB [ 356.362391] ? bpf_test_run+0x3cb/0x780 [ 356.366275] (M) [ 356.368221] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.372259] 3*4096kB [ 356.374407] ? check_preemption_disabled+0x48/0x280 [ 356.374425] ? kasan_check_read+0x11/0x20 [ 356.374443] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 356.378646] (M) [ 356.380871] ? rcu_softirq_qs+0x20/0x20 [ 356.384754] = 15908kB [ 356.389126] ? preempt_schedule+0x4d/0x60 [ 356.393453] Node 0 [ 356.395657] ? ___preempt_schedule+0x16/0x18 [ 356.401162] DMA32: [ 356.403132] ? bpf_test_run+0x25d/0x780 [ 356.403156] ? netlink_diag_dump+0x2a0/0x2a0 [ 356.407539] 5*4kB [ 356.412028] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 356.414265] (UM) [ 356.419342] ? bpf_test_init.isra.10+0x70/0x100 [ 356.421292] 1*8kB [ 356.425345] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 356.425368] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 356.429401] (H) [ 356.431704] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 356.431719] ? fput+0x130/0x1a0 [ 356.435777] 2*16kB [ 356.439806] ? __bpf_prog_get+0x9b/0x290 [ 356.443869] (M) [ 356.445817] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 356.449848] 3*32kB [ 356.453889] ? bpf_prog_test_run+0x130/0x1a0 [ 356.453906] ? __x64_sys_bpf+0x3d8/0x520 [ 356.453920] ? bpf_prog_get+0x20/0x20 [ 356.456233] (M) [ 356.460301] ? do_syscall_64+0x1b9/0x820 [ 356.464343] 3*64kB [ 356.468367] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 356.468384] ? syscall_return_slowpath+0x5e0/0x5e0 [ 356.470343] (MH) [ 356.474651] ? trace_hardirqs_on_caller+0x310/0x310 [ 356.474664] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 356.474682] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 356.476981] 4*128kB [ 356.481982] ? __switch_to_asm+0x40/0x70 [ 356.484402] (M) [ 356.488514] ? __switch_to_asm+0x34/0x70 [ 356.488533] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 356.490480] 5*256kB [ 356.494532] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 356.494615] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 356.498498] (UMH) [ 356.500942] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 356.504882] 5*512kB [ 356.506815] syz-executor0 cpuset= [ 356.512333] (UMH) [ 356.514720] syz0 mems_allowed=0 [ 356.514741] CPU: 0 PID: 17787 Comm: syz-executor0 Not tainted 4.19.0+ #72 [ 356.514748] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 356.514755] Call Trace: [ 356.519753] 4*1024kB [ 356.523881] [ 356.523897] dump_stack+0x244/0x39d [ 356.523917] ? dump_stack_print_info.cold.1+0x20/0x20 [ 356.529164] (UMH) [ 356.531131] warn_alloc.cold.117+0xb7/0x1bd [ 356.535102] 2*2048kB [ 356.537484] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 356.541617] (UM) [ 356.543840] ? lock_downgrade+0x900/0x900 [ 356.543863] ? trace_hardirqs_off+0xb8/0x310 [ 356.548243] 3*4096kB [ 356.550484] ? trace_hardirqs_off+0xb8/0x310 [ 356.554450] (M) [ 356.558831] __alloc_pages_slowpath+0x2660/0x2d70 [ 356.560948] = 25180kB [ 356.566496] ? warn_alloc+0x120/0x120 [ 356.568533] Node 0 [ 356.573186] ? warn_alloc+0x120/0x120 [ 356.573199] ? print_usage_bug+0xc0/0xc0 [ 356.573212] ? warn_alloc+0x120/0x120 [ 356.575343] Normal: [ 356.580083] ? print_usage_bug+0xc0/0xc0 [ 356.584923] 1870*4kB [ 356.586869] ? __lock_acquire+0x62f/0x4c20 [ 356.592402] (UME) [ 356.595680] ? __lock_acquire+0x62f/0x4c20 [ 356.595697] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 356.595712] ? should_fail+0x22d/0xd01 [ 356.597941] 407*8kB [ 356.601986] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 356.603958] (UMEH) [ 356.608776] ? __lock_acquire+0x62f/0x4c20 [ 356.610987] 106*16kB [ 356.615383] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 356.615395] ? __lock_acquire+0x62f/0x4c20 [ 356.615409] ? should_fail+0x22d/0xd01 [ 356.619464] (UME) [ 356.623253] ? find_held_lock+0x36/0x1c0 [ 356.623273] ? mark_held_locks+0x130/0x130 [ 356.623291] ? mark_held_locks+0x130/0x130 [ 356.625242] 43*32kB [ 356.629282] ? zap_class+0x640/0x640 [ 356.629297] ? zap_class+0x640/0x640 [ 356.631508] (UMH) [ 356.636858] ? print_usage_bug+0xc0/0xc0 [ 356.636870] ? do_raw_spin_unlock+0xa7/0x330 [ 356.636885] ? zap_class+0x640/0x640 [ 356.641788] 1*64kB [ 356.643832] ? print_usage_bug+0xc0/0xc0 [ 356.643844] ? wq_watchdog_touch+0x9c/0xfe [ 356.643861] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.648848] (U) [ 356.653848] ? check_preemption_disabled+0x48/0x280 [ 356.653873] ? __lock_is_held+0xb5/0x140 [ 356.660513] 0*128kB [ 356.662827] __alloc_pages_nodemask+0xa80/0xde0 [ 356.662838] ? zap_class+0x640/0x640 [ 356.662857] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 356.666891] 0*256kB [ 356.668859] ? find_held_lock+0x36/0x1c0 [ 356.672905] 0*512kB [ 356.677738] ? ____cache_alloc_node+0x1c7/0x1e0 [ 356.680038] 0*1024kB [ 356.685382] ? lock_downgrade+0x900/0x900 [ 356.685400] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.685418] cache_grow_begin+0xa5/0x8c0 [ 356.691884] 0*2048kB [ 356.694017] ? do_raw_spin_unlock+0xa7/0x330 [ 356.694036] fallback_alloc+0x204/0x2e0 [ 356.694055] ____cache_alloc_node+0x1c7/0x1e0 [ 356.704542] 0*4096kB [ 356.706836] kmem_cache_alloc_node+0xe3/0x730 [ 356.710256] = 13872kB [ 356.712398] ? ipv6_get_ifaddr+0x42e/0x620 [ 356.715694] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 356.722586] __alloc_skb+0x119/0x770 [ 356.722605] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 356.731936] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 356.734507] ? netdev_alloc_frag+0x1f0/0x1f0 [ 356.734518] ? lock_downgrade+0x900/0x900 [ 356.734538] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.736919] 7036 total pagecache pages [ 356.739057] ? refcount_sub_and_test_checked+0x203/0x310 [ 356.742704] 0 pages in swap cache [ 356.747855] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 356.749977] Swap cache stats: add 0, delete 0, find 0/0 [ 356.754274] ? addrconf_rs_timer+0x690/0x690 [ 356.754299] ndisc_alloc_skb+0x144/0x340 [ 356.756685] Free swap = 0kB [ 356.761510] ndisc_send_rs+0x331/0x6e0 [ 356.763569] Total swap = 0kB [ 356.767684] addrconf_rs_timer+0x314/0x690 [ 356.772062] 1965979 pages RAM [ 356.774460] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 356.774486] call_timer_fn+0x272/0x920 [ 356.778870] 0 pages HighMem/MovableOnly [ 356.780853] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 356.785686] 342867 pages reserved [ 356.788067] ? process_timeout+0x40/0x40 [ 356.791839] 0 pages cma reserved [ 356.794072] ? __run_timers+0x7da/0xc70 [ 356.794092] ? _raw_spin_unlock_irq+0x27/0x80 [ 356.797867] Unreclaimable slab info: [ 356.801913] ? _raw_spin_unlock_irq+0x27/0x80 [ 356.805713] Name Used Total [ 356.807991] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 356.808006] ? lockdep_hardirqs_on+0x296/0x5b0 [ 356.812085] pid_2 1KB 28KB [ 356.814455] ? trace_hardirqs_on+0xbd/0x310 [ 356.814469] ? kasan_check_read+0x11/0x20 [ 356.814485] ? __run_timers+0x7da/0xc70 [ 356.818742] TIPC 10KB 14KB [ 356.820835] ? trace_hardirqs_off_caller+0x310/0x310 [ 356.825074] SCTPv6 14KB 24KB [ 356.830570] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 356.834459] DCCPv6 17KB 21KB [ 356.836744] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 356.841823] DCCP 16KB 20KB [ 356.844043] __run_timers+0x7e5/0xc70 [ 356.844071] ? timer_fixup_init+0x70/0x70 [ 356.848296] bridge_fdb_cache 14KB 23KB [ 356.850675] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 356.855776] nf-frags 0KB 7KB [ 356.859976] ? zap_class+0x640/0x640 [ 356.863863] fib6_nodes 78KB 104KB [ 356.865973] ? enqueue_hrtimer+0x1a5/0x560 [ 356.870012] ip6_dst_cache 63KB 247KB [ 356.874230] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 356.874248] ? find_held_lock+0x36/0x1c0 [ 356.874267] ? zap_class+0x640/0x640 [ 356.878490] RAWv6 68KB 78KB [ 356.880797] ? pvclock_read_flags+0x160/0x160 [ 356.884504] UDPv6 3KB 3KB [ 356.888183] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.890319] TCPv6 23KB 29KB [ 356.894363] ? check_preemption_disabled+0x48/0x280 [ 356.894389] ? __lock_is_held+0xb5/0x140 [ 356.898780] nf_conntrack 9KB 30KB [ 356.902470] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.902483] ? check_preemption_disabled+0x48/0x280 [ 356.902501] run_timer_softirq+0x52/0xb0 [ 356.904738] sd_ext_cdb 0KB 3KB [ 356.908753] ? rcu_read_lock_sched_held+0x14f/0x180 [ 356.912983] scsi_sense_cache 1056KB 1060KB [ 356.918483] __do_softirq+0x308/0xb7e [ 356.920433] virtio_scsi_cmd 16KB 16KB [ 356.925524] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 356.925537] ? lock_downgrade+0x900/0x900 [ 356.925554] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 356.929596] sgpool-128 8KB 8KB [ 356.931903] ? pvclock_read_flags+0x160/0x160 [ 356.936568] sgpool-64 4KB 6KB [ 356.940244] ? lapic_next_event+0x5a/0x90 [ 356.945273] sgpool-32 2KB 7KB [ 356.947555] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.951589] sgpool-16 1KB 3KB [ 356.953897] ? kvm_clock_read+0x18/0x30 [ 356.953909] ? kvm_sched_clock_read+0x9/0x20 [ 356.953926] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.958581] sgpool-8 0KB 3KB [ 356.960980] ? check_preemption_disabled+0x48/0x280 [ 356.965130] mqueue_inode_cache 10KB 14KB [ 356.970633] irq_exit+0x17f/0x1c0 [ 356.974704] bio_post_read_ctx 14KB 15KB [ 356.977071] smp_apic_timer_interrupt+0x1cb/0x760 [ 356.981474] bio-2 14KB 19KB [ 356.985400] ? smp_reschedule_interrupt+0x109/0x650 [ 356.985416] ? smp_call_function_single_interrupt+0x650/0x650 [ 356.985432] ? interrupt_entry+0xb5/0xc0 [ 356.989920] jfs_mp 7KB 7KB [ 356.992327] ? trace_hardirqs_off_caller+0xbb/0x310 [ 356.996835] nfs_commit_data 3KB 7KB [ 356.999203] ? trace_hardirqs_off_caller+0xbb/0x310 [ 357.003435] nfs_write_data 34KB 37KB [ 357.012234] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 357.015960] ext4_system_zone 0KB 3KB [ 357.021197] ? trace_hardirqs_on_caller+0x310/0x310 [ 357.029770] bio-1 1KB 3KB [ 357.034128] ? trace_hardirqs_on_caller+0x310/0x310 [ 357.034141] ? task_prio+0x50/0x50 [ 357.034157] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.038286] pid_namespace 2KB 7KB [ 357.043800] ? check_preemption_disabled+0x48/0x280 [ 357.043817] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 357.043837] apic_timer_interrupt+0xf/0x20 [ 357.047709] rpc_buffers 17KB 19KB [ 357.053124] [ 357.053141] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 357.053169] Code: 41 7e 0f 85 32 ff ff ff e8 33 c3 3f ff e9 28 ff ff ff e8 8a 8d c3 ff 48 83 3d e2 3b 91 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 6a b1 [ 357.056610] rpc_tasks 2KB 3KB [ 357.062031] RSP: 0000:ffff88019c63f4a0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 357.067410] UNIX 9KB 14KB [ 357.071771] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 357.071783] RDX: 0000000000000000 RSI: ffff8801929e68c0 RDI: 0000000000000286 [ 357.075849] tcp_bind_bucket 1KB 4KB [ 357.078820] RBP: ffff88019c63f518 R08: ffff8801929e6040 R09: 0000000000000000 [ 357.078831] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0 [ 357.082734] inet_peer_cache 2KB 4KB [ 357.085707] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286 [ 357.085740] ? save_stack+0xa9/0xd0 [ 357.089933] ip_fib_trie 11KB 19KB [ 357.093029] __kmalloc_node_track_caller+0x33/0x70 [ 357.093048] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 357.097262] ip_fib_alias 51KB 63KB [ 357.101133] pskb_expand_head+0x230/0x10f0 [ 357.105103] ip_dst_cache 5KB 56KB [ 357.109297] ? check_preemption_disabled+0x48/0x280 [ 357.109315] ? memcpy+0x45/0x50 [ 357.112764] RAW 40KB 50KB [ 357.116786] ? __copy_skb_header+0x350/0x6b0 [ 357.120128] UDP 16KB 26KB [ 357.124080] ? skb_release_data+0x880/0x880 [ 357.124093] ? __alloc_skb+0x770/0x770 [ 357.124113] ? __lock_is_held+0xb5/0x140 [ 357.128582] TCP 8KB 11KB [ 357.132277] ? kasan_check_write+0x14/0x20 [ 357.136768] hugetlbfs_inode_cache 2KB 7KB [ 357.142265] ? __skb_clone+0x6c7/0xa00 [ 357.146494] fscache_cookie_jar 1KB 7KB [ 357.151041] ? __copy_skb_header+0x6b0/0x6b0 [ 357.156414] eventpoll_pwq 3KB 27KB [ 357.160692] ? kmem_cache_alloc+0x33a/0x730 [ 357.160709] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.164855] eventpoll_epi 6KB 39KB [ 357.168798] skb_ensure_writable+0x3dd/0x640 [ 357.174155] inotify_inode_mark 6KB 31KB [ 357.179224] ? skb_checksum_setup+0xaa0/0xaa0 [ 357.184602] request_queue 164KB 164KB [ 357.188799] ? preempt_notifier_register+0x200/0x200 [ 357.194187] blkdev_ioc 5KB 23KB [ 357.198382] ? __switch_to_asm+0x34/0x70 [ 357.198398] ? __switch_to_asm+0x34/0x70 [ 357.203758] bio-0 51KB 127KB [ 357.207517] ? __switch_to_asm+0x40/0x70 [ 357.207532] ? __switch_to_asm+0x34/0x70 [ 357.211655] biovec-max 1361KB 1361KB [ 357.216996] ? __switch_to_asm+0x40/0x70 [ 357.217010] ? __switch_to_asm+0x40/0x70 [ 357.217025] ? __switch_to_asm+0x34/0x70 [ 357.222023] bio_integrity_payload 1KB 3KB [ 357.227359] ? __switch_to_asm+0x34/0x70 [ 357.227373] ? __switch_to_asm+0x40/0x70 [ 357.227388] ? __switch_to_asm+0x34/0x70 [ 357.231079] khugepaged_mm_slot 0KB 7KB [ 357.236437] bpf_clone_redirect+0x14a/0x490 [ 357.236459] bpf_prog_bebbfe2050753572+0x325/0x1000 [ 357.240684] dmaengine-unmap-256 2KB 6KB [ 357.246020] ? __sched_text_start+0x8/0x8 [ 357.246047] ? find_held_lock+0x36/0x1c0 [ 357.251214] dmaengine-unmap-128 1KB 3KB [ 357.255263] ? lock_acquire+0x1ed/0x520 [ 357.255275] ? bpf_test_run+0x3cb/0x780 [ 357.255291] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.258985] dmaengine-unmap-16 0KB 4KB [ 357.264325] ? check_preemption_disabled+0x48/0x280 [ 357.264342] ? kasan_check_read+0x11/0x20 [ 357.264359] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 357.268830] dmaengine-unmap-2 0KB 3KB [ 357.274185] ? rcu_softirq_qs+0x20/0x20 [ 357.274197] ? preempt_schedule+0x4d/0x60 [ 357.274213] ? ___preempt_schedule+0x16/0x18 [ 357.279734] skbuff_fclone_cache 14KB 75KB [ 357.285098] ? bpf_test_run+0x25d/0x780 [ 357.285123] ? netlink_diag_dump+0x2a0/0x2a0 [ 357.290115] skbuff_head_cache 451533KB 451533KB [ 357.294169] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 357.294181] ? bpf_test_init.isra.10+0x70/0x100 [ 357.294200] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 357.299537] configfs_dir_cache 0KB 4KB [ 357.305063] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 357.305073] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 357.305089] ? fput+0x130/0x1a0 [ 357.310084] file_lock_cache 0KB 3KB [ 357.314124] ? __bpf_prog_get+0x9b/0x290 [ 357.314140] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 357.314161] ? bpf_prog_test_run+0x130/0x1a0 [ 357.319502] file_lock_ctx 0KB 3KB [ 357.324497] ? __x64_sys_bpf+0x3d8/0x520 [ 357.324509] ? bpf_prog_get+0x20/0x20 [ 357.324540] ? do_syscall_64+0x1b9/0x820 [ 357.329870] fsnotify_mark_connector 3KB 15KB [ 357.333648] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 357.333664] ? syscall_return_slowpath+0x5e0/0x5e0 [ 357.333681] ? trace_hardirqs_on_caller+0x310/0x310 [ 357.339020] net_namespace 51KB 51KB [ 357.343515] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 357.343531] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 357.343548] ? __switch_to_asm+0x40/0x70 [ 357.347677] shmem_inode_cache 3708KB 3801KB [ 357.352773] ? __switch_to_asm+0x34/0x70 [ 357.352791] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 357.352812] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 357.358149] task_delay_info 32KB 173KB [ 357.362644] warn_alloc_show_mem: 1 callbacks suppressed [ 357.362650] Mem-Info: [ 357.367997] taskstats 0KB 3KB [ 357.372142] active_anon:46490 inactive_anon:2315 isolated_anon:0 [ 357.372142] active_file:13 inactive_file:13 isolated_file:0 [ 357.372142] unevictable:0 dirty:0 writeback:0 unstable:0 [ 357.372142] slab_reclaimable:9349 slab_unreclaimable:1470591 [ 357.372142] mapped:32787 shmem:7010 pagetables:603 bounce:0 [ 357.372142] free:13718 free_pcp:581 free_cma:0 [ 357.377490] proc_dir_entry 585KB 626KB [ 357.383011] Node 0 active_anon:185960kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:28040kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 357.383019] Node 0 [ 357.388368] pde_opener 0KB 7KB [ 357.392342] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 357.396735] seq_file 0KB 7KB [ 357.402221] lowmem_reserve[]: 0 [ 357.407607] sigqueue 2KB 23KB [ 357.412570] 2818 6321 6321 [ 357.412587] Node 0 DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 357.412630] lowmem_reserve[]: [ 357.418067] kernfs_node_cache 11725KB 11737KB [ 357.421488] 0 0 [ 357.426860] mnt_cache 77KB 84KB [ 357.431649] 3503 3503 [ 357.437030] filp 251KB 630KB [ 357.442002] Node 0 [ 357.447908] names_cache 97KB 97KB [ 357.451949] Normal free:13784kB min:37364kB low:46704kB high:56044kB active_anon:183912kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5568kB pagetables:2412kB bounce:0kB free_pcp:2076kB local_pcp:876kB free_cma:0kB [ 357.457296] iint_cache 74KB 79KB [ 357.462261] lowmem_reserve[]: 0 [ 357.467635] key_jar 3KB 7KB [ 357.472602] 0 0 0 [ 357.472618] Node 0 DMA: 1*4kB [ 357.477988] uts_namespace 2KB 7KB [ 357.483578] (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) [ 357.488958] nsproxy 1KB 3KB [ 357.493944] 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) [ 357.499324] vm_area_struct 366KB 893KB [ 357.504308] 1*2048kB (M) 3*4096kB (M) = 15908kB [ 357.504331] Node 0 DMA32: [ 357.507862] mm_struct 52KB 169KB [ 357.513984] 5*4kB (UM) 1*8kB (H) 2*16kB (M) 3*32kB (M) 3*64kB (MH) [ 357.519380] fs_cache 8KB 64KB [ 357.524362] 4*128kB (M) 5*256kB (UMH) 5*512kB (UMH) 4*1024kB (UMH) [ 357.529243] files_cache 30KB 101KB [ 357.533445] 2*2048kB (UM) 3*4096kB (M) = 25180kB [ 357.533480] Node 0 Normal: 1870*4kB [ 357.538866] signal_cache 240KB 610KB [ 357.541068] (UME) 407*8kB [ 357.546966] sighand_cache 379KB 423KB [ 357.565819] (UMEH) 106*16kB (UME) 43*32kB (UMH) 1*64kB (U) [ 357.571198] task_struct 1101KB 1101KB [ 357.578873] 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB [ 357.584271] cred_jar 50KB 376KB [ 357.591602] = 13872kB [ 357.591615] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 357.598890] anon_vma_chain 121KB 397KB [ 357.604223] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 357.604229] 7036 total pagecache pages [ 357.604247] 0 pages in swap cache [ 357.611503] anon_vma 119KB 373KB [ 357.618747] Swap cache stats: add 0, delete 0, find 0/0 [ 357.618752] Free swap = 0kB [ 357.618757] Total swap = 0kB [ 357.618762] 1965979 pages RAM [ 357.618767] 0 pages HighMem/MovableOnly [ 357.618774] 342867 pages reserved [ 357.624146] pid 21KB 124KB [ 357.631391] 0 pages cma reserved [ 357.631452] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 357.635033] Acpi-Operand 106KB 158KB [ 357.640426] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 357.645314] Acpi-Namespace 19KB 23KB [ 357.650021] syz-executor0 cpuset= [ 357.655390] numa_policy 0KB 3KB [ 357.659580] syz0 [ 357.664947] debug_objects_cache 833KB 834KB [ 357.669915] mems_allowed=0 [ 357.669931] CPU: 0 PID: 17787 Comm: syz-executor0 Not tainted 4.19.0+ #72 [ 357.673213] trace_event_file 259KB 262KB [ 357.678527] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 357.678534] Call Trace: [ 357.683431] ftrace_event_field 375KB 378KB [ 357.688742] [ 357.693071] pool_workqueue 70KB 76KB [ 357.696927] dump_stack+0x244/0x39d [ 357.700961] task_group 5KB 10KB [ 357.706311] ? dump_stack_print_info.cold.1+0x20/0x20 [ 357.706339] warn_alloc.cold.117+0xb7/0x1bd [ 357.710553] page->ptl 70KB 577KB [ 357.716245] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 357.716261] ? lock_downgrade+0x900/0x900 [ 357.716283] ? trace_hardirqs_off+0xb8/0x310 [ 357.720172] kmalloc-2097152 2050KB 2050KB [ 357.725590] ? trace_hardirqs_off+0xb8/0x310 [ 357.725613] __alloc_pages_slowpath+0x2660/0x2d70 [ 357.730003] kmalloc-524288 2056KB 2056KB [ 357.735373] ? warn_alloc+0x120/0x120 [ 357.739671] kmalloc-262144 1290KB 1290KB [ 357.745192] ? warn_alloc+0x120/0x120 [ 357.745206] ? print_usage_bug+0xc0/0xc0 [ 357.745221] ? warn_alloc+0x120/0x120 [ 357.750566] kmalloc-131072 650KB 650KB [ 357.754955] ? print_usage_bug+0xc0/0xc0 [ 357.754970] ? __lock_acquire+0x62f/0x4c20 [ 357.754985] ? __lock_acquire+0x62f/0x4c20 [ 357.760415] kmalloc-65536 330KB 330KB [ 357.764894] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 357.764907] ? should_fail+0x22d/0xd01 [ 357.764925] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 357.770264] kmalloc-32768 726KB 726KB [ 357.775691] ? __lock_acquire+0x62f/0x4c20 [ 357.775708] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 357.775723] ? __lock_acquire+0x62f/0x4c20 [ 357.781075] kmalloc-16384 396KB 396KB [ 357.785114] ? should_fail+0x22d/0xd01 [ 357.785139] ? find_held_lock+0x36/0x1c0 [ 357.785161] ? mark_held_locks+0x130/0x130 [ 357.789197] kmalloc-8192 1815KB 1815KB [ 357.794545] ? mark_held_locks+0x130/0x130 [ 357.794557] ? zap_class+0x640/0x640 [ 357.794572] ? zap_class+0x640/0x640 [ 357.798614] kmalloc-4096 6162KB 6162KB [ 357.802658] ? print_usage_bug+0xc0/0xc0 [ 357.802670] ? do_raw_spin_unlock+0xa7/0x330 [ 357.802685] ? zap_class+0x640/0x640 [ 357.808027] kmalloc-2048 2969468KB 2969468KB [ 357.812068] ? print_usage_bug+0xc0/0xc0 [ 357.816138] kmalloc-1024 1574047KB 1574047KB [ 357.820158] ? wq_watchdog_touch+0x9c/0xfe [ 357.820175] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.825884] kmalloc-512 1514KB 3648KB [ 357.829906] ? check_preemption_disabled+0x48/0x280 [ 357.833961] kmalloc-256 1912KB 2433KB [ 357.837991] ? __lock_is_held+0xb5/0x140 [ 357.843437] kmalloc-128 462KB 976KB [ 357.847726] __alloc_pages_nodemask+0xa80/0xde0 [ 357.852737] kmalloc-96 456KB 1960KB [ 357.858238] ? zap_class+0x640/0x640 [ 357.862360] kmalloc-64 750KB 1468KB [ 357.866403] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 357.866427] ? find_held_lock+0x36/0x1c0 [ 357.871961] kmalloc-32 968KB 1638KB [ 357.875925] ? ____cache_alloc_node+0x1c7/0x1e0 [ 357.875943] ? lock_downgrade+0x900/0x900 [ 357.879896] kmalloc-192 692KB 912KB [ 357.885419] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.885440] cache_grow_begin+0xa5/0x8c0 [ 357.890868] kmem_cache 251KB 255KB [ 357.895863] ? do_raw_spin_unlock+0xa7/0x330 [ 357.895883] fallback_alloc+0x204/0x2e0 [ 357.895903] ____cache_alloc_node+0x1c7/0x1e0 [ 357.900030] Out of memory: Kill process 5363 (syz-fuzzer) score 24 or sacrifice child [ 357.905286] kmem_cache_alloc_node+0xe3/0x730 [ 357.905299] ? ipv6_get_ifaddr+0x42e/0x620 [ 357.905323] __alloc_skb+0x119/0x770 [ 357.910737] Killed process 8912 (syz-executor3) total-vm:70212kB, anon-rss:64kB, file-rss:0kB, shmem-rss:0kB [ 357.914612] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 357.914630] ? netdev_alloc_frag+0x1f0/0x1f0 [ 357.914645] ? lock_downgrade+0x900/0x900 [ 357.938001] syz-fuzzer invoked oom-killer: gfp_mask=0x6200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 357.942542] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.942556] ? refcount_sub_and_test_checked+0x203/0x310 [ 357.942574] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 357.962495] syz-fuzzer cpuset= [ 357.962934] ? addrconf_rs_timer+0x690/0x690 [ 357.967747] / [ 357.973275] ndisc_alloc_skb+0x144/0x340 [ 357.988526] mems_allowed=0 [ 357.990770] ndisc_send_rs+0x331/0x6e0 [ 358.977609] addrconf_rs_timer+0x314/0x690 [ 358.981847] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 358.986092] call_timer_fn+0x272/0x920 [ 358.989999] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 358.994245] ? process_timeout+0x40/0x40 [ 358.998316] ? __run_timers+0x7da/0xc70 [ 359.002295] ? _raw_spin_unlock_irq+0x27/0x80 [ 359.006788] ? _raw_spin_unlock_irq+0x27/0x80 [ 359.011286] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 359.015517] ? lockdep_hardirqs_on+0x296/0x5b0 [ 359.020111] ? trace_hardirqs_on+0xbd/0x310 [ 359.024429] ? kasan_check_read+0x11/0x20 [ 359.028572] ? __run_timers+0x7da/0xc70 [ 359.032563] ? trace_hardirqs_off_caller+0x310/0x310 [ 359.037670] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 359.041906] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 359.046139] __run_timers+0x7e5/0xc70 [ 359.049946] ? timer_fixup_init+0x70/0x70 [ 359.054113] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 359.059126] ? zap_class+0x640/0x640 [ 359.062843] ? enqueue_hrtimer+0x1a5/0x560 [ 359.067089] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 359.072283] ? find_held_lock+0x36/0x1c0 [ 359.076343] ? zap_class+0x640/0x640 [ 359.080062] ? pvclock_read_flags+0x160/0x160 [ 359.084555] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.090105] ? check_preemption_disabled+0x48/0x280 [ 359.095127] ? __lock_is_held+0xb5/0x140 [ 359.099186] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.104721] ? check_preemption_disabled+0x48/0x280 [ 359.109739] run_timer_softirq+0x52/0xb0 [ 359.113801] ? rcu_read_lock_sched_held+0x14f/0x180 [ 359.118813] __do_softirq+0x308/0xb7e [ 359.122615] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 359.127107] ? lock_downgrade+0x900/0x900 [ 359.131256] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 359.136366] ? pvclock_read_flags+0x160/0x160 [ 359.140931] ? lapic_next_event+0x5a/0x90 [ 359.145079] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.150619] ? kvm_clock_read+0x18/0x30 [ 359.154589] ? kvm_sched_clock_read+0x9/0x20 [ 359.158994] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.164540] ? check_preemption_disabled+0x48/0x280 [ 359.169561] irq_exit+0x17f/0x1c0 [ 359.173023] smp_apic_timer_interrupt+0x1cb/0x760 [ 359.177864] ? smp_reschedule_interrupt+0x109/0x650 [ 359.182882] ? smp_call_function_single_interrupt+0x650/0x650 [ 359.188767] ? interrupt_entry+0xb5/0xc0 [ 359.192826] ? trace_hardirqs_off_caller+0xbb/0x310 [ 359.197837] ? trace_hardirqs_off_caller+0xbb/0x310 [ 359.202851] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 359.207695] ? trace_hardirqs_on_caller+0x310/0x310 [ 359.212707] ? trace_hardirqs_on_caller+0x310/0x310 [ 359.217719] ? task_prio+0x50/0x50 [ 359.221255] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.226791] ? check_preemption_disabled+0x48/0x280 [ 359.231808] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 359.236745] apic_timer_interrupt+0xf/0x20 [ 359.240970] [ 359.243217] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 359.249098] Code: 41 7e 0f 85 32 ff ff ff e8 33 c3 3f ff e9 28 ff ff ff e8 8a 8d c3 ff 48 83 3d e2 3b 91 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 c1 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 6a b1 [ 359.267994] RSP: 0000:ffff88019c63f4a0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 359.275711] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 359.282973] RDX: 0000000000000000 RSI: ffff8801929e68c0 RDI: 0000000000000286 [ 359.290246] RBP: ffff88019c63f518 R08: ffff8801929e6040 R09: 0000000000000000 [ 359.297513] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801da800ac0 [ 359.304777] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286 [ 359.312070] ? save_stack+0xa9/0xd0 [ 359.315705] __kmalloc_node_track_caller+0x33/0x70 [ 359.320637] __kmalloc_reserve.isra.40+0xcc/0xe0 [ 359.325394] pskb_expand_head+0x230/0x10f0 [ 359.329627] ? check_preemption_disabled+0x48/0x280 [ 359.334644] ? memcpy+0x45/0x50 [ 359.337928] ? __copy_skb_header+0x350/0x6b0 [ 359.342336] ? skb_release_data+0x880/0x880 [ 359.346653] ? __alloc_skb+0x770/0x770 [ 359.350550] ? __lock_is_held+0xb5/0x140 [ 359.354615] ? kasan_check_write+0x14/0x20 [ 359.358847] ? __skb_clone+0x6c7/0xa00 [ 359.362735] ? __copy_skb_header+0x6b0/0x6b0 [ 359.367139] ? kmem_cache_alloc+0x33a/0x730 [ 359.371457] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.377007] skb_ensure_writable+0x3dd/0x640 [ 359.381414] ? skb_checksum_setup+0xaa0/0xaa0 [ 359.385913] ? preempt_notifier_register+0x200/0x200 [ 359.391018] ? __switch_to_asm+0x34/0x70 [ 359.395079] ? __switch_to_asm+0x34/0x70 [ 359.399140] ? __switch_to_asm+0x40/0x70 [ 359.403197] ? __switch_to_asm+0x34/0x70 [ 359.407254] ? __switch_to_asm+0x40/0x70 [ 359.411311] ? __switch_to_asm+0x40/0x70 [ 359.415370] ? __switch_to_asm+0x34/0x70 [ 359.419427] ? __switch_to_asm+0x34/0x70 [ 359.423488] ? __switch_to_asm+0x40/0x70 [ 359.427542] ? __switch_to_asm+0x34/0x70 [ 359.431608] bpf_clone_redirect+0x14a/0x490 [ 359.435933] bpf_prog_bebbfe2050753572+0x325/0x1000 [ 359.440949] ? __sched_text_start+0x8/0x8 [ 359.445105] ? find_held_lock+0x36/0x1c0 [ 359.449175] ? lock_acquire+0x1ed/0x520 [ 359.453320] ? bpf_test_run+0x3cb/0x780 [ 359.457295] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.462829] ? check_preemption_disabled+0x48/0x280 [ 359.467850] ? kasan_check_read+0x11/0x20 [ 359.472010] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 359.477378] ? rcu_softirq_qs+0x20/0x20 [ 359.481349] ? preempt_schedule+0x4d/0x60 [ 359.485494] ? ___preempt_schedule+0x16/0x18 [ 359.489911] ? bpf_test_run+0x25d/0x780 [ 359.493894] ? netlink_diag_dump+0x2a0/0x2a0 [ 359.498302] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 359.503836] ? bpf_test_init.isra.10+0x70/0x100 [ 359.508507] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 359.513763] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 359.518607] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 359.524144] ? fput+0x130/0x1a0 [ 359.527425] ? __bpf_prog_get+0x9b/0x290 [ 359.531494] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 359.536334] ? bpf_prog_test_run+0x130/0x1a0 [ 359.540745] ? __x64_sys_bpf+0x3d8/0x520 [ 359.544805] ? bpf_prog_get+0x20/0x20 [ 359.548622] ? do_syscall_64+0x1b9/0x820 [ 359.552682] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 359.558045] ? syscall_return_slowpath+0x5e0/0x5e0 [ 359.562987] ? trace_hardirqs_on_caller+0x310/0x310 [ 359.568009] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 359.573024] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 359.579689] ? __switch_to_asm+0x40/0x70 [ 359.583749] ? __switch_to_asm+0x34/0x70 [ 359.587811] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 359.592659] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 359.598035] Mem-Info: [ 359.598045] CPU: 1 PID: 5375 Comm: syz-fuzzer Not tainted 4.19.0+ #72 [ 359.598057] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 359.600467] active_anon:46452 inactive_anon:2315 isolated_anon:0 [ 359.600467] active_file:13 inactive_file:13 isolated_file:0 [ 359.600467] unevictable:0 dirty:0 writeback:0 unstable:0 [ 359.600467] slab_reclaimable:9343 slab_unreclaimable:1470583 [ 359.600467] mapped:24578 shmem:7010 pagetables:550 bounce:0 [ 359.600467] free:13795 free_pcp:615 free_cma:0 [ 359.607022] Call Trace: [ 359.616399] Node 0 active_anon:185808kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:28040kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 359.649435] dump_stack+0x244/0x39d [ 359.652000] Node 0 [ 359.679573] ? dump_stack_print_info.cold.1+0x20/0x20 [ 359.683485] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 359.685713] dump_header+0x27b/0xf72 [ 359.690864] lowmem_reserve[]: [ 359.716363] ? mark_held_locks+0x130/0x130 [ 359.720043] 0 [ 359.723145] ? pagefault_out_of_memory+0x197/0x197 [ 359.727350] 2818 [ 359.729146] ? __lock_acquire+0x62f/0x4c20 [ 359.734041] 6321 [ 359.736095] ? zap_class+0x640/0x640 [ 359.740298] 6321 [ 359.742358] ? percpu_ref_get_many+0x240/0x240 [ 359.746043] Node 0 [ 359.748096] ? print_usage_bug+0xc0/0xc0 [ 359.752674] DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 359.754877] ? print_usage_bug+0xc0/0xc0 [ 359.758908] lowmem_reserve[]: [ 359.786061] ? zap_class+0x640/0x640 [ 359.790102] 0 0 [ 359.793204] ? print_usage_bug+0xc0/0xc0 [ 359.796888] 3503 [ 359.798853] ? print_usage_bug+0xc0/0xc0 [ 359.802881] 3503 [ 359.804947] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.808986] Node 0 [ 359.811041] ? find_held_lock+0x36/0x1c0 [ 359.816570] Normal free:14092kB min:37364kB low:46704kB high:56044kB active_anon:183760kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5536kB pagetables:2200kB bounce:0kB free_pcp:2212kB local_pcp:876kB free_cma:0kB [ 359.818781] ? mark_held_locks+0xc7/0x130 [ 359.822807] lowmem_reserve[]: [ 359.851263] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 359.855376] 0 0 [ 359.858481] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 359.863554] 0 [ 359.865519] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 359.870585] 0 [ 359.872387] ? trace_hardirqs_on+0xbd/0x310 [ 359.876939] Node 0 [ 359.878739] ? kasan_check_read+0x11/0x20 [ 359.883026] DMA: 1*4kB [ 359.885260] ? ___ratelimit+0x3b4/0x672 [ 359.889378] (U) [ 359.891961] ? trace_hardirqs_off_caller+0x310/0x310 [ 359.895904] 0*8kB 0*16kB [ 359.897879] ? trace_hardirqs_on+0x310/0x310 [ 359.902953] 1*32kB [ 359.905705] ? lock_downgrade+0x900/0x900 [ 359.910081] (U) 2*64kB [ 359.912317] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 359.916433] (U) [ 359.919008] ? ___ratelimit+0x3b9/0x672 [ 359.924087] 1*128kB (U) [ 359.926060] ? idr_get_free+0xec0/0xec0 [ 359.930007] 1*256kB [ 359.932665] ? find_held_lock+0x36/0x1c0 [ 359.936608] (U) [ 359.938929] oom_kill_process.cold.27+0x10/0x903 [ 359.942965] 0*512kB [ 359.944927] ? zap_class+0x640/0x640 [ 359.949651] 1*1024kB (U) [ 359.951983] ? check_preemption_disabled+0x48/0x280 [ 359.955672] 1*2048kB (M) [ 359.958433] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 359.963412] 3*4096kB (M) [ 359.966167] ? kasan_check_read+0x11/0x20 [ 359.971060] = 15908kB [ 359.971067] Node 0 [ 359.973813] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 359.977923] DMA32: 5*4kB [ 359.980337] ? oom_evaluate_task+0x540/0x540 [ 359.982546] (UM) [ 359.987811] ? find_held_lock+0x36/0x1c0 [ 359.990550] 1*8kB (H) [ 359.994965] ? out_of_memory+0x974/0x1430 [ 359.997004] 2*16kB [ 360.001050] ? lock_downgrade+0x900/0x900 [ 360.003518] (M) [ 360.007656] ? check_preemption_disabled+0x48/0x280 [ 360.009861] 3*32kB (M) [ 360.014006] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 360.015962] 3*64kB [ 360.020973] ? kasan_check_read+0x11/0x20 [ 360.023525] (MH) [ 360.028441] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 360.030646] 4*128kB (M) [ 360.034787] ? rcu_softirq_qs+0x20/0x20 [ 360.036818] 5*256kB (UMH) [ 360.042092] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 360.044731] 5*512kB (UMH) [ 360.048700] ? oom_evaluate_task+0x302/0x540 [ 360.051515] 4*1024kB (UMH) [ 360.057047] out_of_memory+0xa84/0x1430 [ 360.059860] 2*2048kB (UM) [ 360.064267] ? oom_killer_disable+0x3a0/0x3a0 [ 360.067167] 3*4096kB [ 360.071126] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 360.073955] (M) [ 360.078435] ? __mutex_add_waiter+0x2a0/0x2a0 [ 360.080821] = 25180kB [ 360.085744] __alloc_pages_slowpath+0x22d4/0x2d70 [ 360.087679] Node 0 Normal: [ 360.092279] ? warn_alloc+0x120/0x120 [ 360.094642] 1917*4kB [ 360.099473] ? rcu_softirq_qs+0x20/0x20 [ 360.102377] (UME) [ 360.106190] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 360.108548] 408*8kB (UMEH) [ 360.112520] ? should_fail+0x22d/0xd01 [ 360.114641] 107*16kB [ 360.120165] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 360.123071] (UME) [ 360.126949] ? zap_class+0x640/0x640 [ 360.126988] ? __lock_is_held+0xb5/0x140 [ 360.129347] 45*32kB (UMH) [ 360.134457] ? mark_held_locks+0x130/0x130 [ 360.136572] 1*64kB [ 360.140451] ? lock_release+0xa00/0xa00 [ 360.144476] (U) [ 360.147310] ? perf_trace_sched_process_exec+0x860/0x860 [ 360.151512] 0*128kB 0*256kB [ 360.153755] ? __might_sleep+0x95/0x190 [ 360.157693] 0*512kB [ 360.159658] __alloc_pages_nodemask+0xa80/0xde0 [ 360.165070] 0*1024kB 0*2048kB [ 360.168088] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 360.172025] 0*4096kB = 14148kB [ 360.174343] ? __page_cache_alloc+0x191/0x5c0 [ 360.178985] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 360.182162] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 360.187158] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 360.190332] ? kasan_check_read+0x11/0x20 [ 360.194797] 7036 total pagecache pages [ 360.203622] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 360.208529] 0 pages in swap cache [ 360.217102] ? zap_class+0x640/0x640 [ 360.221239] Swap cache stats: add 0, delete 0, find 0/0 [ 360.225116] ? zap_class+0x640/0x640 [ 360.230361] Free swap = 0kB [ 360.233801] ? zap_class+0x640/0x640 [ 360.237488] Total swap = 0kB [ 360.242838] ? __do_page_cache_readahead+0x7ce/0x980 [ 360.246522] 1965979 pages RAM [ 360.249528] ? find_held_lock+0x36/0x1c0 [ 360.253215] 0 pages HighMem/MovableOnly [ 360.256223] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 360.261289] 342867 pages reserved [ 360.261296] 0 pages cma reserved [ 360.264395] alloc_pages_current+0x173/0x350 [ 360.268501] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 360.272392] __page_cache_alloc+0x38c/0x5c0 [ 360.295023] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 360.295577] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 360.299878] syz-executor0 cpuset= [ 360.310353] ? kasan_check_read+0x11/0x20 [ 360.315252] syz0 [ 360.318694] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 360.322812] mems_allowed=0 [ 360.324776] ? generic_perform_write+0x6a0/0x6a0 [ 360.337684] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 360.343217] ? check_preemption_disabled+0x48/0x280 [ 360.348247] filemap_fault+0x1594/0x25f0 [ 360.352405] ? __lock_page_or_retry+0xa00/0xa00 [ 360.357085] ? mark_held_locks+0x130/0x130 [ 360.361315] ? rcu_softirq_qs+0x20/0x20 [ 360.365299] ? filemap_map_pages+0xe04/0x1990 [ 360.369805] ? __free_object+0x173/0x340 [ 360.373875] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 360.378801] ? trace_hardirqs_off_caller+0x310/0x310 [ 360.383901] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 360.388583] ? debug_object_free+0x32d/0x690 [ 360.392989] ? kasan_check_read+0x11/0x20 [ 360.397136] ? debug_object_destroy+0x2b0/0x2b0 [ 360.401801] ? lock_pi_update_atomic+0x150/0x150 [ 360.406550] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.412098] ? __hrtimer_init+0xdb/0x240 [ 360.416166] ? lock_acquire+0x1ed/0x520 [ 360.420134] ? ext4_filemap_fault+0x7a/0xad [ 360.424463] ? lock_release+0xa00/0xa00 [ 360.428437] ? perf_trace_sched_process_exec+0x860/0x860 [ 360.433884] ? print_usage_bug+0xc0/0xc0 [ 360.437948] ? print_usage_bug+0xc0/0xc0 [ 360.442020] ? down_read+0x8d/0x120 [ 360.445639] ? ext4_filemap_fault+0x7a/0xad [ 360.449961] ? __down_interruptible+0x700/0x700 [ 360.454635] ext4_filemap_fault+0x82/0xad [ 360.458783] __do_fault+0x100/0x6b0 [ 360.462414] ? pmd_devmap_trans_unstable+0x220/0x220 [ 360.467519] ? mark_held_locks+0x130/0x130 [ 360.471751] ? mark_held_locks+0x130/0x130 [ 360.475987] ? debug_smp_processor_id+0x1c/0x20 [ 360.480650] ? perf_trace_lock+0x14d/0x7a0 [ 360.484885] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 360.490432] __handle_mm_fault+0x307c/0x5920 [ 360.494844] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 360.499683] ? lock_is_held_type+0x210/0x210 [ 360.504108] ? zap_class+0x640/0x640 [ 360.507820] ? zap_class+0x640/0x640 [ 360.511527] ? __x64_sys_futex+0x53e/0x6a0 [ 360.515762] ? find_held_lock+0x36/0x1c0 [ 360.519826] ? handle_mm_fault+0x42a/0xc70 [ 360.524059] ? lock_downgrade+0x900/0x900 [ 360.528200] ? check_preemption_disabled+0x48/0x280 [ 360.533220] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 360.538142] ? kasan_check_read+0x11/0x20 [ 360.542287] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 360.547562] ? rcu_softirq_qs+0x20/0x20 [ 360.551531] ? trace_hardirqs_off_caller+0x310/0x310 [ 360.556629] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 360.562161] ? check_preemption_disabled+0x48/0x280 [ 360.567180] handle_mm_fault+0x54f/0xc70 [ 360.571241] ? __handle_mm_fault+0x5920/0x5920 [ 360.575840] ? find_vma+0x34/0x190 [ 360.579381] __do_page_fault+0x5e8/0xe60 [ 360.583437] ? trace_hardirqs_off+0xb8/0x310 [ 360.587844] ? __ia32_sys_read+0xb0/0xb0 [ 360.591917] do_page_fault+0xf2/0x7e0 [ 360.595714] ? vmalloc_sync_all+0x30/0x30 [ 360.599869] ? error_entry+0x70/0xd0 [ 360.603585] ? trace_hardirqs_off_caller+0xbb/0x310 [ 360.608594] ? trace_hardirqs_on_caller+0xc0/0x310 [ 360.613521] ? syscall_return_slowpath+0x5e0/0x5e0 [ 360.618446] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 360.623289] ? trace_hardirqs_on_caller+0x310/0x310 [ 360.628298] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 360.633747] ? prepare_exit_to_usermode+0x291/0x3b0 [ 360.638759] ? page_fault+0x8/0x30 [ 360.642298] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 360.647153] ? page_fault+0x8/0x30 [ 360.650692] page_fault+0x1e/0x30 [ 360.654138] RIP: 0033:0x45ddf3 [ 360.657340] Code: Bad RIP value. [ 360.660699] RSP: 002b:000000c4200206a0 EFLAGS: 00010206 [ 360.666061] RAX: ffffffffffffff92 RBX: 000000003b974269 RCX: 000000000045ddf3 [ 360.673322] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e1060 [ 360.680583] RBP: 000000c4200206e8 R08: 0000000000000000 R09: 0000000000000000 [ 360.687844] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001 [ 360.695106] R13: 0000000000000007 R14: 0000000000b7f720 R15: 000000000000bdf9 [ 360.702393] CPU: 0 PID: 17787 Comm: syz-executor0 Not tainted 4.19.0+ #72 [ 360.702881] syz-fuzzer: page allocation failure: order:1, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 360.709321] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 360.719525] syz-fuzzer cpuset= [ 360.728858] Call Trace: [ 360.728867] / [ 360.732073] dump_stack+0x244/0x39d [ 360.734646] mems_allowed=0 [ 360.736356] ? dump_stack_print_info.cold.1+0x20/0x20 [ 360.748064] warn_alloc.cold.117+0xb7/0x1bd [ 360.752381] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 360.757224] ? lock_downgrade+0x900/0x900 [ 360.761378] ? trace_hardirqs_off+0xb8/0x310 [ 360.765788] ? trace_hardirqs_off+0xb8/0x310 [ 360.770203] __alloc_pages_slowpath+0x2660/0x2d70 [ 360.775069] ? warn_alloc+0x120/0x120 [ 360.778871] ? warn_alloc+0x120/0x120 [ 360.782680] ? print_usage_bug+0xc0/0xc0 [ 360.786739] ? warn_alloc+0x120/0x120 [ 360.790538] ? print_usage_bug+0xc0/0xc0 [ 360.794608] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 360.800140] ? should_fail+0x22d/0xd01 [ 360.804024] ? __local_bh_enable_ip+0x160/0x260 [ 360.808693] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 360.813790] ? __lock_acquire+0x62f/0x4c20 [ 360.818024] ? __lock_acquire+0x62f/0x4c20 [ 360.822251] ? should_fail+0x22d/0xd01 [ 360.826222] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.831764] ? mark_held_locks+0x130/0x130 [ 360.835997] ? mark_held_locks+0x130/0x130 [ 360.840226] ? __kmalloc_node_track_caller+0x47/0x70 [ 360.845326] ? __kmalloc_reserve.isra.40+0x41/0xe0 [ 360.850256] ? zap_class+0x640/0x640 [ 360.853967] ? netdev_pick_tx+0x310/0x310 [ 360.858112] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.863650] ? check_preemption_disabled+0x48/0x280 [ 360.868673] ? __lock_is_held+0xb5/0x140 [ 360.872735] __alloc_pages_nodemask+0xa80/0xde0 [ 360.877399] ? zap_class+0x640/0x640 [ 360.881112] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 360.886138] ? find_held_lock+0x36/0x1c0 [ 360.890203] ? ____cache_alloc_node+0x1c7/0x1e0 [ 360.894881] ? lock_downgrade+0x900/0x900 [ 360.899030] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 360.904572] cache_grow_begin+0xa5/0x8c0 [ 360.908628] ? do_raw_spin_unlock+0xa7/0x330 [ 360.913039] fallback_alloc+0x204/0x2e0 [ 360.917018] ____cache_alloc_node+0x1c7/0x1e0 [ 360.921512] kmem_cache_alloc+0x1f8/0x730 [ 360.925667] skb_clone+0x1bb/0x500 [ 360.929204] ? skb_split+0x11e0/0x11e0 [ 360.933088] ? check_preemption_disabled+0x48/0x280 [ 360.938107] ? __this_cpu_preempt_check+0x1c/0x20 [ 360.942948] ? __bpf_redirect+0x54b/0xb20 [ 360.947101] bpf_clone_redirect+0xb9/0x490 [ 360.951343] bpf_prog_bebbfe2050753572+0x325/0x1000 [ 360.956359] ? __sched_text_start+0x8/0x8 [ 360.960519] ? find_held_lock+0x36/0x1c0 [ 360.964586] ? lock_acquire+0x1ed/0x520 [ 360.968556] ? bpf_test_run+0x3cb/0x780 [ 360.972531] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.978066] ? check_preemption_disabled+0x48/0x280 [ 360.983085] ? kasan_check_read+0x11/0x20 [ 360.987233] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 360.992517] ? rcu_softirq_qs+0x20/0x20 [ 360.996488] ? preempt_schedule+0x4d/0x60 [ 361.000649] ? ___preempt_schedule+0x16/0x18 [ 361.005062] ? bpf_test_run+0x25d/0x780 [ 361.009044] ? netlink_diag_dump+0x2a0/0x2a0 [ 361.013450] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 361.018985] ? bpf_test_init.isra.10+0x70/0x100 [ 361.023654] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 361.028416] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 361.033258] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 361.038788] ? fput+0x130/0x1a0 [ 361.042069] ? __bpf_prog_get+0x9b/0x290 [ 361.046129] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 361.050970] ? bpf_prog_test_run+0x130/0x1a0 [ 361.055376] ? __x64_sys_bpf+0x3d8/0x520 [ 361.059434] ? bpf_prog_get+0x20/0x20 [ 361.063248] ? do_syscall_64+0x1b9/0x820 [ 361.067306] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 361.072667] ? syscall_return_slowpath+0x5e0/0x5e0 [ 361.077598] ? trace_hardirqs_on_caller+0x310/0x310 [ 361.082614] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 361.087631] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 361.094294] ? __switch_to_asm+0x40/0x70 [ 361.098352] ? __switch_to_asm+0x34/0x70 [ 361.102414] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 361.107260] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 361.112631] Mem-Info: [ 361.112640] CPU: 1 PID: 5375 Comm: syz-fuzzer Not tainted 4.19.0+ #72 [ 361.112651] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 361.115061] active_anon:46452 inactive_anon:2315 isolated_anon:0 [ 361.115061] active_file:12 inactive_file:14 isolated_file:0 [ 361.115061] unevictable:0 dirty:0 writeback:0 unstable:0 [ 361.115061] slab_reclaimable:9341 slab_unreclaimable:1470620 [ 361.115061] mapped:24578 shmem:7010 pagetables:528 bounce:0 [ 361.115061] free:13753 free_pcp:603 free_cma:0 [ 361.121603] Call Trace: [ 361.130978] Node 0 active_anon:185808kB inactive_anon:9260kB active_file:48kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:28040kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 361.164073] [ 361.166636] Node 0 [ 361.194232] dump_stack+0x244/0x39d [ 361.196386] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 361.198608] ? dump_stack_print_info.cold.1+0x20/0x20 [ 361.202202] lowmem_reserve[]: 0 [ 361.227703] warn_alloc.cold.117+0xb7/0x1bd [ 361.232944] 2818 [ 361.236211] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 361.240519] 6321 [ 361.242569] ? lock_downgrade+0x900/0x900 [ 361.247379] 6321 [ 361.249432] ? trace_hardirqs_off+0xb8/0x310 [ 361.255604] ? trace_hardirqs_off+0xb8/0x310 [ 361.259980] Node 0 DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 361.264397] __alloc_pages_slowpath+0x2660/0x2d70 [ 361.264438] ? warn_alloc+0x120/0x120 [ 361.292232] lowmem_reserve[]: [ 361.297064] ? warn_alloc+0x120/0x120 [ 361.300848] 0 [ 361.303939] ? print_usage_bug+0xc0/0xc0 [ 361.307710] 0 [ 361.309502] ? warn_alloc+0x120/0x120 [ 361.313531] 3503 3503 [ 361.315330] ? print_usage_bug+0xc0/0xc0 [ 361.319105] Node 0 [ 361.321592] ? __lock_is_held+0xb5/0x140 [ 361.325649] Normal free:13924kB min:37364kB low:46704kB high:56044kB active_anon:183760kB inactive_anon:9260kB active_file:48kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5536kB pagetables:2112kB bounce:0kB free_pcp:2164kB local_pcp:828kB free_cma:0kB [ 361.327858] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 361.331885] lowmem_reserve[]: [ 361.360321] ? should_fail+0x22d/0xd01 [ 361.365845] 0 [ 361.368932] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 361.372782] 0 0 [ 361.374581] ? __lock_acquire+0x62f/0x4c20 [ 361.379647] 0 [ 361.381621] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 361.385834] Node 0 [ 361.387622] ? __lock_acquire+0x62f/0x4c20 [ 361.392694] DMA: [ 361.394916] ? should_fail+0x22d/0xd01 [ 361.399121] 1*4kB [ 361.401179] ? mark_held_locks+0x130/0x130 [ 361.405034] (U) [ 361.407176] ? mark_held_locks+0x130/0x130 [ 361.411385] 0*8kB [ 361.413359] ? __local_bh_enable_ip+0x160/0x260 [ 361.417555] 0*16kB 1*32kB [ 361.419700] ? __local_bh_enable_ip+0x160/0x260 [ 361.424339] (U) [ 361.427170] ? zap_class+0x640/0x640 [ 361.431808] 2*64kB [ 361.433779] ? trace_hardirqs_on+0xbd/0x310 [ 361.437461] (U) [ 361.439685] ? __dev_queue_xmit+0x1aa3/0x3ad0 [ 361.443975] 1*128kB (U) [ 361.445949] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.450415] 1*256kB [ 361.453074] ? check_preemption_disabled+0x48/0x280 [ 361.458582] (U) [ 361.460902] ? __lock_is_held+0xb5/0x140 [ 361.465883] 0*512kB [ 361.467855] __alloc_pages_nodemask+0xa80/0xde0 [ 361.471895] 1*1024kB [ 361.474207] ? zap_class+0x640/0x640 [ 361.478849] (U) [ 361.481250] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 361.484933] 1*2048kB [ 361.486904] ? find_held_lock+0x36/0x1c0 [ 361.491887] (M) [ 361.494290] ? ____cache_alloc_node+0x1c7/0x1e0 [ 361.498311] 3*4096kB (M) [ 361.500286] ? lock_downgrade+0x900/0x900 [ 361.504942] = 15908kB [ 361.507688] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.511804] Node 0 [ 361.514477] cache_grow_begin+0xa5/0x8c0 [ 361.519982] DMA32: 5*4kB [ 361.522214] ? do_raw_spin_unlock+0xa7/0x330 [ 361.526246] (UM) [ 361.528995] fallback_alloc+0x204/0x2e0 [ 361.533373] 1*8kB [ 361.535428] ____cache_alloc_node+0x1c7/0x1e0 [ 361.539372] (H) [ 361.541514] __kmalloc+0x208/0x760 [ 361.545979] 2*16kB [ 361.547946] ? __neigh_create+0x30b/0x2130 [ 361.551453] (M) [ 361.553680] __neigh_create+0x30b/0x2130 [ 361.557887] 3*32kB [ 361.559853] ? __local_bh_enable_ip+0x160/0x260 [ 361.563890] (M) [ 361.566115] ? __local_bh_enable_ip+0x160/0x260 [ 361.570753] 3*64kB [ 361.572722] ? mark_held_locks+0x130/0x130 [ 361.577354] (MH) [ 361.579583] ? __local_bh_enable_ip+0x160/0x260 [ 361.583785] 4*128kB (M) [ 361.585849] ? neigh_hash_alloc+0x1e0/0x1e0 [ 361.590486] 5*256kB (UMH) [ 361.593170] ? zap_class+0x640/0x640 [ 361.597457] 5*512kB (UMH) [ 361.600292] ? trace_hardirqs_on+0xbd/0x310 [ 361.600307] ? mark_held_locks+0xc7/0x130 [ 361.603990] 4*1024kB (UMH) [ 361.606841] ? ip6t_do_table+0xd9e/0x1d30 [ 361.611127] 2*2048kB (UM) [ 361.615271] ? trace_hardirqs_off_caller+0x310/0x310 [ 361.618175] 3*4096kB [ 361.622312] ? __local_bh_enable_ip+0x160/0x260 [ 361.625128] (M) [ 361.630235] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.632613] = 25180kB [ 361.632620] Node 0 [ 361.637276] ? lock_acquire+0x1ed/0x520 [ 361.639220] Normal: [ 361.644743] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.647124] 1917*4kB [ 361.649353] ? check_preemption_disabled+0x48/0x280 [ 361.653296] (UME) [ 361.655618] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 361.661120] 392*8kB (UME) [ 361.663525] ? rcu_pm_notify+0xc0/0xc0 [ 361.668510] 105*16kB (UME) [ 361.670669] ? zap_class+0x640/0x640 [ 361.676171] 43*32kB (UM) [ 361.679014] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 361.683302] 1*64kB (U) [ 361.686248] ip6_finish_output2+0xa59/0x27a0 [ 361.689927] 0*128kB [ 361.692679] ? ip6_copy_metadata+0xe30/0xe30 [ 361.697839] 0*256kB [ 361.700418] ? ip6_mtu+0x39c/0x520 [ 361.704790] 0*512kB 0*1024kB [ 361.707116] ? lock_downgrade+0x900/0x900 [ 361.711486] 0*2048kB 0*4096kB [ 361.713811] ? check_preemption_disabled+0x48/0x280 [ 361.717325] = 13924kB [ 361.720418] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 361.724544] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 361.727720] ? kasan_check_read+0x11/0x20 [ 361.732710] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 361.735107] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 361.740005] 7036 total pagecache pages [ 361.748829] ? rcu_softirq_qs+0x20/0x20 [ 361.752956] 0 pages in swap cache [ 361.761528] ? ip6_mtu+0x160/0x520 [ 361.766775] Swap cache stats: add 0, delete 0, find 0/0 [ 361.770646] ? find_match+0x10a0/0x10a0 [ 361.774592] Free swap = 0kB [ 361.778032] ? kasan_check_read+0x11/0x20 [ 361.781546] Total swap = 0kB [ 361.786903] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 361.790848] 1965979 pages RAM [ 361.793852] ip6_finish_output+0x58c/0xc60 [ 361.797973] 0 pages HighMem/MovableOnly [ 361.800978] ? ip6_finish_output+0x58c/0xc60 [ 361.806221] 342867 pages reserved [ 361.806228] 0 pages cma reserved [ 361.809323] ip6_output+0x232/0x9d0 [ 361.819117] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 361.821891] ? ip6_finish_output+0xc60/0xc60 [ 361.825320] syz-executor0 cpuset= [ 361.828677] ? ip6_fragment+0x38e0/0x38e0 [ 361.832289] syz0 [ 361.842766] ? __lock_is_held+0xb5/0x140 [ 361.847143] mems_allowed=0 [ 361.850588] ndisc_send_skb+0x1005/0x1570 [ 361.867783] ? nf_hook.constprop.33+0x860/0x860 [ 361.872458] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.877990] ? refcount_sub_and_test_checked+0x203/0x310 [ 361.883440] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 361.888905] ndisc_send_rs+0x134/0x6e0 [ 361.892799] addrconf_rs_timer+0x314/0x690 [ 361.897034] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 361.901274] call_timer_fn+0x272/0x920 [ 361.905158] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 361.909412] ? process_timeout+0x40/0x40 [ 361.913478] ? mark_held_locks+0xc7/0x130 [ 361.917625] ? _raw_spin_unlock_irq+0x27/0x80 [ 361.922115] ? _raw_spin_unlock_irq+0x27/0x80 [ 361.926603] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 361.930836] ? lockdep_hardirqs_on+0x296/0x5b0 [ 361.935415] ? trace_hardirqs_on+0xbd/0x310 [ 361.939731] ? kasan_check_read+0x11/0x20 [ 361.943873] ? __run_timers+0x7da/0xc70 [ 361.947842] ? trace_hardirqs_off_caller+0x310/0x310 [ 361.952957] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 361.957191] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 361.961423] __run_timers+0x7e5/0xc70 [ 361.965218] ? rcu_irq_exit+0x1a2/0x390 [ 361.969195] ? timer_fixup_init+0x70/0x70 [ 361.973341] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.978874] ? check_preemption_disabled+0x48/0x280 [ 361.983921] ? mark_held_locks+0xc7/0x130 [ 361.988061] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 361.993078] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 361.997837] ? retint_kernel+0x2d/0x2d [ 362.001717] ? trace_hardirqs_on_caller+0xc0/0x310 [ 362.006641] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 362.011391] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 362.016838] ? zap_class+0x640/0x640 [ 362.020554] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.026082] ? check_preemption_disabled+0x48/0x280 [ 362.031099] ? __lock_is_held+0xb5/0x140 [ 362.035155] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.040686] ? check_preemption_disabled+0x48/0x280 [ 362.045705] run_timer_softirq+0x52/0xb0 [ 362.049758] ? rcu_read_lock_sched_held+0x14f/0x180 [ 362.054783] __do_softirq+0x308/0xb7e [ 362.058587] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 362.063074] ? lock_downgrade+0x900/0x900 [ 362.067223] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 362.072326] ? pvclock_read_flags+0x160/0x160 [ 362.076820] ? lapic_next_event+0x5a/0x90 [ 362.080968] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.086505] ? kvm_clock_read+0x18/0x30 [ 362.090471] ? kvm_sched_clock_read+0x9/0x20 [ 362.094876] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.100407] ? check_preemption_disabled+0x48/0x280 [ 362.105424] irq_exit+0x17f/0x1c0 [ 362.108897] smp_apic_timer_interrupt+0x1cb/0x760 [ 362.113737] ? smp_reschedule_interrupt+0x109/0x650 [ 362.118747] ? smp_call_function_single_interrupt+0x650/0x650 [ 362.124635] ? interrupt_entry+0xb5/0xc0 [ 362.128694] ? trace_hardirqs_off_caller+0xbb/0x310 [ 362.133703] ? trace_hardirqs_off_caller+0xbb/0x310 [ 362.138716] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 362.143553] ? trace_hardirqs_on_caller+0x310/0x310 [ 362.148564] ? trace_hardirqs_on_caller+0x310/0x310 [ 362.153573] ? task_prio+0x50/0x50 [ 362.157106] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 362.162639] ? check_preemption_disabled+0x48/0x280 [ 362.167658] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 362.172503] apic_timer_interrupt+0xf/0x20 [ 362.176725] [ 362.178962] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 362.184147] Code: 00 e8 95 31 8e f9 e8 90 e2 bd f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d ea 90 8b 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d c0 90 [ 362.203040] RSP: 0000:ffff8801c4c0e140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 362.210745] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003afce19e [ 362.218017] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d7e70c7c [ 362.225284] RBP: ffff8801c4c0e168 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 362.232546] R10: 0000000000000000 R11: ffff8801d7e70400 R12: dffffc0000000000 [ 362.239808] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478 [ 362.247097] retint_kernel+0x1b/0x2d [ 362.250810] RIP: 0010:dump_stack+0x358/0x39d [ 362.255230] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 91 c1 00 fa 48 83 3d 99 b9 91 01 00 0f 84 63 fe ff ff e8 ee e6 bd f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db e6 bd f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 362.274122] RSP: 0000:ffff8801c4c0e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 362.281824] RAX: ffff8801d7e70400 RBX: 1ffffffff12a3e8e RCX: 1ffff1003afce19e [ 362.289087] RDX: 0000000000000000 RSI: ffffffff87c03ae2 RDI: 0000000000000293 [ 362.296352] RBP: ffff8801c4c0e2c8 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 362.303615] R10: 0000000000000000 R11: ffff8801d7e70400 R12: 1ffff10038981c4c [ 362.310876] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 362.318152] ? dump_stack+0x34f/0x39d [ 362.321968] ? dump_stack_print_info.cold.1+0x20/0x20 [ 362.327163] dump_header+0x27b/0xf72 [ 362.330882] ? mark_held_locks+0x130/0x130 [ 362.335114] ? pagefault_out_of_memory+0x197/0x197 [ 362.340043] ? __lock_acquire+0x62f/0x4c20 [ 362.344274] ? zap_class+0x640/0x640 [ 362.347984] ? percpu_ref_get_many+0x240/0x240 [ 362.352566] ? print_usage_bug+0xc0/0xc0 [ 362.356620] ? print_usage_bug+0xc0/0xc0 [ 362.360678] ? zap_class+0x640/0x640 [ 362.364388] ? print_usage_bug+0xc0/0xc0 [ 362.368444] ? print_usage_bug+0xc0/0xc0 [ 362.372509] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.378043] ? find_held_lock+0x36/0x1c0 [ 362.382110] ? mark_held_locks+0xc7/0x130 [ 362.386260] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 362.391360] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 362.396461] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 362.401042] ? trace_hardirqs_on+0xbd/0x310 [ 362.405356] ? kasan_check_read+0x11/0x20 [ 362.409497] ? ___ratelimit+0x3b4/0x672 [ 362.413465] ? trace_hardirqs_off_caller+0x310/0x310 [ 362.418563] ? trace_hardirqs_on+0x310/0x310 [ 362.422967] ? lock_downgrade+0x900/0x900 [ 362.427124] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 362.432220] ? ___ratelimit+0x3b9/0x672 [ 362.436192] ? idr_get_free+0xec0/0xec0 [ 362.440157] ? find_held_lock+0x36/0x1c0 [ 362.444218] oom_kill_process.cold.27+0x10/0x903 [ 362.448972] ? zap_class+0x640/0x640 [ 362.452680] ? check_preemption_disabled+0x48/0x280 [ 362.457696] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 362.462622] ? kasan_check_read+0x11/0x20 [ 362.466771] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 362.472056] ? oom_evaluate_task+0x540/0x540 [ 362.476462] ? find_held_lock+0x36/0x1c0 [ 362.480522] ? out_of_memory+0x974/0x1430 [ 362.484664] ? lock_downgrade+0x900/0x900 [ 362.488804] ? check_preemption_disabled+0x48/0x280 [ 362.493823] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 362.498753] ? kasan_check_read+0x11/0x20 [ 362.502915] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 362.508190] ? rcu_softirq_qs+0x20/0x20 [ 362.512162] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 362.517702] ? oom_evaluate_task+0x302/0x540 [ 362.522112] out_of_memory+0xa84/0x1430 [ 362.526090] ? oom_killer_disable+0x3a0/0x3a0 [ 362.530584] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 362.535507] ? __mutex_add_waiter+0x2a0/0x2a0 [ 362.540024] __alloc_pages_slowpath+0x22d4/0x2d70 [ 362.544911] ? warn_alloc+0x120/0x120 [ 362.548707] ? rcu_softirq_qs+0x20/0x20 [ 362.552714] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 362.558255] ? should_fail+0x22d/0xd01 [ 362.562140] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 362.567239] ? zap_class+0x640/0x640 [ 362.570974] ? __lock_is_held+0xb5/0x140 [ 362.575038] ? mark_held_locks+0x130/0x130 [ 362.579290] ? lock_release+0xa00/0xa00 [ 362.583262] ? perf_trace_sched_process_exec+0x860/0x860 [ 362.588718] ? __might_sleep+0x95/0x190 [ 362.592698] __alloc_pages_nodemask+0xa80/0xde0 [ 362.597372] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 362.602393] ? __page_cache_alloc+0x191/0x5c0 [ 362.606893] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 362.611819] ? kasan_check_read+0x11/0x20 [ 362.615962] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 362.621233] ? zap_class+0x640/0x640 [ 362.624952] ? zap_class+0x640/0x640 [ 362.628660] ? zap_class+0x640/0x640 [ 362.632383] ? __do_page_cache_readahead+0x7ce/0x980 [ 362.637499] ? find_held_lock+0x36/0x1c0 [ 362.641562] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 362.647104] alloc_pages_current+0x173/0x350 [ 362.651510] __page_cache_alloc+0x38c/0x5c0 [ 362.655824] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 362.660752] ? kasan_check_read+0x11/0x20 [ 362.664894] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 362.670171] ? generic_perform_write+0x6a0/0x6a0 [ 362.674923] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 362.680453] ? check_preemption_disabled+0x48/0x280 [ 362.685470] filemap_fault+0x1594/0x25f0 [ 362.689536] ? __lock_page_or_retry+0xa00/0xa00 [ 362.694198] ? mark_held_locks+0x130/0x130 [ 362.698427] ? rcu_softirq_qs+0x20/0x20 [ 362.702403] ? filemap_map_pages+0xe04/0x1990 [ 362.706904] ? __free_object+0x173/0x340 [ 362.710959] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 362.715889] ? trace_hardirqs_off_caller+0x310/0x310 [ 362.720986] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 362.725662] ? debug_object_free+0x32d/0x690 [ 362.730063] ? kasan_check_read+0x11/0x20 [ 362.734205] ? debug_object_destroy+0x2b0/0x2b0 [ 362.738869] ? lock_pi_update_atomic+0x150/0x150 [ 362.743619] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.749145] ? __hrtimer_init+0xdb/0x240 [ 362.753210] ? lock_acquire+0x1ed/0x520 [ 362.757185] ? ext4_filemap_fault+0x7a/0xad [ 362.761503] ? lock_release+0xa00/0xa00 [ 362.765478] ? perf_trace_sched_process_exec+0x860/0x860 [ 362.770942] ? print_usage_bug+0xc0/0xc0 [ 362.775000] ? print_usage_bug+0xc0/0xc0 [ 362.779063] ? down_read+0x8d/0x120 [ 362.782684] ? ext4_filemap_fault+0x7a/0xad [ 362.787006] ? __down_interruptible+0x700/0x700 [ 362.791682] ext4_filemap_fault+0x82/0xad [ 362.795826] __do_fault+0x100/0x6b0 [ 362.799453] ? pmd_devmap_trans_unstable+0x220/0x220 [ 362.804552] ? mark_held_locks+0x130/0x130 [ 362.808794] ? mark_held_locks+0x130/0x130 [ 362.813036] ? debug_smp_processor_id+0x1c/0x20 [ 362.817700] ? perf_trace_lock+0x14d/0x7a0 [ 362.821942] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 362.827477] __handle_mm_fault+0x307c/0x5920 [ 362.831887] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 362.836733] ? lock_is_held_type+0x210/0x210 [ 362.841163] ? zap_class+0x640/0x640 [ 362.844872] ? zap_class+0x640/0x640 [ 362.848576] ? __x64_sys_futex+0x53e/0x6a0 [ 362.852812] ? find_held_lock+0x36/0x1c0 [ 362.856875] ? handle_mm_fault+0x42a/0xc70 [ 362.861123] ? lock_downgrade+0x900/0x900 [ 362.865266] ? check_preemption_disabled+0x48/0x280 [ 362.870282] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 362.875203] ? kasan_check_read+0x11/0x20 [ 362.879350] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 362.884621] ? rcu_softirq_qs+0x20/0x20 [ 362.888594] ? trace_hardirqs_off_caller+0x310/0x310 [ 362.893719] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 362.899250] ? check_preemption_disabled+0x48/0x280 [ 362.904272] handle_mm_fault+0x54f/0xc70 [ 362.908331] ? __handle_mm_fault+0x5920/0x5920 [ 362.912914] ? find_vma+0x34/0x190 [ 362.916454] __do_page_fault+0x5e8/0xe60 [ 362.920511] ? trace_hardirqs_off+0xb8/0x310 [ 362.924928] ? __ia32_sys_read+0xb0/0xb0 [ 362.928990] do_page_fault+0xf2/0x7e0 [ 362.932804] ? vmalloc_sync_all+0x30/0x30 [ 362.936945] ? error_entry+0x70/0xd0 [ 362.940655] ? trace_hardirqs_off_caller+0xbb/0x310 [ 362.945681] ? trace_hardirqs_on_caller+0xc0/0x310 [ 362.950736] ? syscall_return_slowpath+0x5e0/0x5e0 [ 362.955657] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 362.960498] ? trace_hardirqs_on_caller+0x310/0x310 [ 362.965509] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 362.970962] ? prepare_exit_to_usermode+0x291/0x3b0 [ 362.975975] ? page_fault+0x8/0x30 [ 362.979513] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 362.984351] ? page_fault+0x8/0x30 [ 362.987887] page_fault+0x1e/0x30 [ 362.991333] RIP: 0033:0x45ddf3 [ 362.994546] Code: Bad RIP value. [ 362.997918] RSP: 002b:000000c4200206a0 EFLAGS: 00010206 [ 363.003278] RAX: ffffffffffffff92 RBX: 000000003b974269 RCX: 000000000045ddf3 [ 363.010550] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e1060 [ 363.017815] RBP: 000000c4200206e8 R08: 0000000000000000 R09: 0000000000000000 [ 363.025094] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001 [ 363.032354] R13: 0000000000000007 R14: 0000000000b7f720 R15: 000000000000bdf9 [ 363.039645] CPU: 0 PID: 17787 Comm: syz-executor0 Not tainted 4.19.0+ #72 [ 363.039647] Mem-Info: [ 363.039677] active_anon:46452 inactive_anon:2315 isolated_anon:0 [ 363.039677] active_file:13 inactive_file:13 isolated_file:0 [ 363.039677] unevictable:0 dirty:0 writeback:0 unstable:0 [ 363.039677] slab_reclaimable:9341 slab_unreclaimable:1470635 [ 363.039677] mapped:24578 shmem:7010 pagetables:528 bounce:0 [ 363.039677] free:13753 free_pcp:603 free_cma:0 [ 363.046577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 363.049017] Node 0 active_anon:185808kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:28040kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 363.082031] Call Trace: [ 363.091376] Node 0 [ 363.118955] dump_stack+0x244/0x39d [ 363.121534] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 363.123743] ? dump_stack_print_info.cold.1+0x20/0x20 [ 363.127330] lowmem_reserve[]: 0 [ 363.152832] warn_alloc.cold.117+0xb7/0x1bd [ 363.157980] 2818 6321 [ 363.161257] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 363.165549] 6321 [ 363.168035] ? lock_downgrade+0x900/0x900 [ 363.174905] ? trace_hardirqs_off+0xb8/0x310 [ 363.179141] Node 0 DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 363.183559] ? trace_hardirqs_off+0xb8/0x310 [ 363.183583] __alloc_pages_slowpath+0x2660/0x2d70 [ 363.211126] lowmem_reserve[]: 0 [ 363.215554] ? warn_alloc+0x120/0x120 [ 363.220335] 0 3503 [ 363.223616] ? warn_alloc+0x120/0x120 [ 363.227381] 3503 [ 363.229616] ? print_usage_bug+0xc0/0xc0 [ 363.233390] Node 0 [ 363.235440] ? warn_alloc+0x120/0x120 [ 363.239497] Normal free:13924kB min:37364kB low:46704kB high:56044kB active_anon:183760kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5536kB pagetables:2112kB bounce:0kB free_pcp:2164kB local_pcp:1336kB free_cma:0kB [ 363.241712] ? print_usage_bug+0xc0/0xc0 [ 363.245477] lowmem_reserve[]: 0 [ 363.274009] ? cpuacct_charge+0x265/0x440 [ 363.278041] 0 0 [ 363.281319] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 363.285436] 0 [ 363.287416] ? should_fail+0x22d/0xd01 [ 363.292924] Node 0 [ 363.294716] ? find_held_lock+0x36/0x1c0 [ 363.298568] DMA: 1*4kB [ 363.300803] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 363.304832] (U) [ 363.307402] ? __lock_acquire+0x62f/0x4c20 [ 363.312467] 0*8kB 0*16kB [ 363.314444] ? __lock_acquire+0x62f/0x4c20 [ 363.318661] 1*32kB (U) [ 363.321420] ? should_fail+0x22d/0xd01 [ 363.325621] 2*64kB (U) [ 363.328210] ? mark_held_locks+0x130/0x130 [ 363.332057] 1*128kB (U) [ 363.334639] ? mark_held_locks+0x130/0x130 [ 363.338853] 1*256kB (U) [ 363.341522] ? __lock_acquire+0x62f/0x4c20 [ 363.345726] 0*512kB [ 363.348393] ? zap_class+0x640/0x640 [ 363.352692] 1*1024kB [ 363.355001] ? __lock_is_held+0xb5/0x140 [ 363.358695] (U) [ 363.361089] ? __account_cfs_rq_runtime+0x790/0x790 [ 363.365232] 1*2048kB (M) [ 363.367209] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.372194] 3*4096kB (M) [ 363.374950] ? check_preemption_disabled+0x48/0x280 [ 363.380450] = 15908kB [ 363.380457] Node 0 [ 363.383211] ? __lock_is_held+0xb5/0x140 [ 363.388188] DMA32: 5*4kB [ 363.390613] __alloc_pages_nodemask+0xa80/0xde0 [ 363.392830] (UM) [ 363.396902] ? zap_class+0x640/0x640 [ 363.399625] 1*8kB (H) [ 363.404292] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 363.406322] 2*16kB (M) [ 363.410041] ? find_held_lock+0x36/0x1c0 [ 363.412501] 3*32kB (M) [ 363.417532] ? ____cache_alloc_node+0x1c7/0x1e0 [ 363.420079] 3*64kB (MH) [ 363.424146] ? lock_downgrade+0x900/0x900 [ 363.426700] 4*128kB [ 363.431357] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 363.433988] (M) 5*256kB [ 363.438130] cache_grow_begin+0xa5/0x8c0 [ 363.440416] (UMH) 5*512kB [ 363.445948] ? do_raw_spin_unlock+0xa7/0x330 [ 363.448592] (UMH) [ 363.452647] fallback_alloc+0x204/0x2e0 [ 363.455451] 4*1024kB (UMH) [ 363.459861] ____cache_alloc_node+0x1c7/0x1e0 [ 363.461976] 2*2048kB (UM) [ 363.465951] kmem_cache_alloc+0x1f8/0x730 [ 363.468849] 3*4096kB (M) [ 363.473349] skb_clone+0x1bb/0x500 [ 363.476155] = 25180kB [ 363.476162] Node 0 [ 363.480303] ? finish_task_switch+0x2f4/0x910 [ 363.483020] Normal: 1917*4kB [ 363.486569] ? skb_split+0x11e0/0x11e0 [ 363.488959] (UME) 392*8kB [ 363.491225] ? preempt_notifier_register+0x200/0x200 [ 363.495693] (UME) [ 363.498788] ? __switch_to_asm+0x34/0x70 [ 363.502641] 105*16kB (UME) [ 363.505492] ? __switch_to_asm+0x34/0x70 [ 363.510558] 43*32kB (UM) [ 363.513243] ? __switch_to_asm+0x40/0x70 [ 363.513259] ? __switch_to_asm+0x34/0x70 [ 363.517297] 1*64kB [ 363.520216] ? __switch_to_asm+0x40/0x70 [ 363.524244] (U) [ 363.526995] ? __switch_to_asm+0x34/0x70 [ 363.531021] 0*128kB 0*256kB [ 363.535076] ? __switch_to_asm+0x40/0x70 [ 363.537284] 0*512kB 0*1024kB [ 363.541341] ? __switch_to_asm+0x34/0x70 [ 363.543281] 0*2048kB 0*4096kB [ 363.547334] ? __switch_to_asm+0x34/0x70 [ 363.550324] = 13924kB [ 363.554371] ? __switch_to_asm+0x40/0x70 [ 363.557453] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 363.561509] ? __switch_to_asm+0x34/0x70 [ 363.564685] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 363.568733] bpf_clone_redirect+0xb9/0x490 [ 363.571113] 7036 total pagecache pages [ 363.575160] ? __schedule+0x8d7/0x21d0 [ 363.583980] 0 pages in swap cache [ 363.588028] bpf_prog_bebbfe2050753572+0x325/0x1000 [ 363.596575] Swap cache stats: add 0, delete 0, find 0/0 [ 363.600791] ? __sched_text_start+0x8/0x8 [ 363.604656] Free swap = 0kB [ 363.608543] ? find_held_lock+0x36/0x1c0 [ 363.611962] Total swap = 0kB [ 363.616984] ? lock_acquire+0x1ed/0x520 [ 363.622313] 1965979 pages RAM [ 363.626465] ? bpf_test_run+0x3cb/0x780 [ 363.629452] 0 pages HighMem/MovableOnly [ 363.633503] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.636485] 342867 pages reserved [ 363.636493] 0 pages cma reserved [ 363.640456] ? check_preemption_disabled+0x48/0x280 [ 363.643816] syz-fuzzer: page allocation failure: order:1, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 363.647511] ? kasan_check_read+0x11/0x20 [ 363.651456] syz-fuzzer cpuset= [ 363.656980] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 363.660400] / [ 363.663753] ? rcu_softirq_qs+0x20/0x20 [ 363.668736] mems_allowed=0 [ 363.700433] ? preempt_schedule+0x4d/0x60 [ 363.704585] ? ___preempt_schedule+0x16/0x18 [ 363.709000] ? bpf_test_run+0x25d/0x780 [ 363.712980] ? netlink_diag_dump+0x2a0/0x2a0 [ 363.717386] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 363.722921] ? bpf_test_init.isra.10+0x70/0x100 [ 363.727593] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 363.732353] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 363.737188] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 363.742739] ? fput+0x130/0x1a0 [ 363.746021] ? __bpf_prog_get+0x9b/0x290 [ 363.750082] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 363.754920] ? bpf_prog_test_run+0x130/0x1a0 [ 363.759338] ? __x64_sys_bpf+0x3d8/0x520 [ 363.763413] ? bpf_prog_get+0x20/0x20 [ 363.767228] ? do_syscall_64+0x1b9/0x820 [ 363.771288] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 363.776659] ? syscall_return_slowpath+0x5e0/0x5e0 [ 363.781586] ? trace_hardirqs_on_caller+0x310/0x310 [ 363.786595] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 363.791609] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 363.798292] ? __switch_to_asm+0x40/0x70 [ 363.802349] ? __switch_to_asm+0x34/0x70 [ 363.806412] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 363.811260] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 363.816644] CPU: 1 PID: 5375 Comm: syz-fuzzer Not tainted 4.19.0+ #72 [ 363.816824] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 363.823238] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 363.833700] syz-executor0 cpuset= [ 363.843028] Call Trace: [ 363.843030] syz0 mems_allowed=0 [ 363.846482] [ 363.854469] dump_stack+0x244/0x39d [ 363.858097] ? dump_stack_print_info.cold.1+0x20/0x20 [ 363.863309] warn_alloc.cold.117+0xb7/0x1bd [ 363.867634] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 363.872471] ? lock_downgrade+0x900/0x900 [ 363.876639] ? trace_hardirqs_off+0xb8/0x310 [ 363.881054] ? trace_hardirqs_off+0xb8/0x310 [ 363.885465] __alloc_pages_slowpath+0x2660/0x2d70 [ 363.890324] ? warn_alloc+0x120/0x120 [ 363.894128] ? warn_alloc+0x120/0x120 [ 363.897927] ? print_usage_bug+0xc0/0xc0 [ 363.901998] ? warn_alloc+0x120/0x120 [ 363.905808] ? print_usage_bug+0xc0/0xc0 [ 363.909860] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 363.915064] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 363.920593] ? should_fail+0x22d/0xd01 [ 363.924483] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 363.929580] ? __lock_acquire+0x62f/0x4c20 [ 363.933807] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 363.938899] ? __lock_acquire+0x62f/0x4c20 [ 363.943125] ? should_fail+0x22d/0xd01 [ 363.947021] ? mark_held_locks+0x130/0x130 [ 363.951257] ? mark_held_locks+0x130/0x130 [ 363.955482] ? zap_class+0x640/0x640 [ 363.959195] ? zap_class+0x640/0x640 [ 363.962904] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.968452] ? check_preemption_disabled+0x48/0x280 [ 363.973468] ? __lock_is_held+0xb5/0x140 [ 363.977527] __alloc_pages_nodemask+0xa80/0xde0 [ 363.982186] ? zap_class+0x640/0x640 [ 363.985898] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 363.990917] ? find_held_lock+0x36/0x1c0 [ 363.994982] ? ____cache_alloc_node+0x1c7/0x1e0 [ 363.999652] ? lock_downgrade+0x900/0x900 [ 364.003815] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.009347] cache_grow_begin+0xa5/0x8c0 [ 364.013414] ? do_raw_spin_unlock+0xa7/0x330 [ 364.017827] fallback_alloc+0x204/0x2e0 [ 364.021801] ____cache_alloc_node+0x1c7/0x1e0 [ 364.026298] __kmalloc+0x208/0x760 [ 364.029837] ? __neigh_create+0x30b/0x2130 [ 364.034067] __neigh_create+0x30b/0x2130 [ 364.038129] ? __local_bh_enable_ip+0x160/0x260 [ 364.042804] ? __local_bh_enable_ip+0x160/0x260 [ 364.047518] ? mark_held_locks+0x130/0x130 [ 364.051761] ? __local_bh_enable_ip+0x160/0x260 [ 364.056430] ? neigh_hash_alloc+0x1e0/0x1e0 [ 364.060740] ? zap_class+0x640/0x640 [ 364.064452] ? trace_hardirqs_on+0xbd/0x310 [ 364.068765] ? mark_held_locks+0xc7/0x130 [ 364.072910] ? ip6t_do_table+0xd9e/0x1d30 [ 364.077052] ? trace_hardirqs_off_caller+0x310/0x310 [ 364.082152] ? __local_bh_enable_ip+0x160/0x260 [ 364.086816] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.092354] ? lock_acquire+0x1ed/0x520 [ 364.096324] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.101852] ? check_preemption_disabled+0x48/0x280 [ 364.106875] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 364.112408] ? rcu_pm_notify+0xc0/0xc0 [ 364.116288] ? zap_class+0x640/0x640 [ 364.119994] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 364.125193] ip6_finish_output2+0xa59/0x27a0 [ 364.129602] ? ip6_copy_metadata+0xe30/0xe30 [ 364.134016] ? ip6_mtu+0x39c/0x520 [ 364.137579] ? lock_downgrade+0x900/0x900 [ 364.141751] ? check_preemption_disabled+0x48/0x280 [ 364.146767] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 364.151689] ? kasan_check_read+0x11/0x20 [ 364.155836] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 364.161107] ? rcu_softirq_qs+0x20/0x20 [ 364.165096] ? ip6_mtu+0x160/0x520 [ 364.168667] ? find_match+0x10a0/0x10a0 [ 364.172640] ? kasan_check_read+0x11/0x20 [ 364.176784] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 364.182057] ip6_finish_output+0x58c/0xc60 [ 364.186297] ? ip6_finish_output+0x58c/0xc60 [ 364.190705] ip6_output+0x232/0x9d0 [ 364.194331] ? ip6_finish_output+0xc60/0xc60 [ 364.198735] ? ip6_fragment+0x38e0/0x38e0 [ 364.203227] ? __lock_is_held+0xb5/0x140 [ 364.207294] ndisc_send_skb+0x1005/0x1570 [ 364.211444] ? nf_hook.constprop.33+0x860/0x860 [ 364.216112] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.221645] ? refcount_sub_and_test_checked+0x203/0x310 [ 364.227097] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 364.232555] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.238092] ndisc_send_rs+0x134/0x6e0 [ 364.241982] addrconf_rs_timer+0x314/0x690 [ 364.246218] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 364.250478] call_timer_fn+0x272/0x920 [ 364.254358] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 364.258588] ? process_timeout+0x40/0x40 [ 364.262661] ? mark_held_locks+0xc7/0x130 [ 364.266816] ? _raw_spin_unlock_irq+0x27/0x80 [ 364.271306] ? _raw_spin_unlock_irq+0x27/0x80 [ 364.275791] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 364.280017] ? lockdep_hardirqs_on+0x296/0x5b0 [ 364.284603] ? trace_hardirqs_on+0xbd/0x310 [ 364.288920] ? kasan_check_read+0x11/0x20 [ 364.293061] ? __run_timers+0x7da/0xc70 [ 364.297036] ? trace_hardirqs_off_caller+0x310/0x310 [ 364.302136] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 364.306371] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 364.310608] __run_timers+0x7e5/0xc70 [ 364.314402] ? rcu_irq_exit+0x1a2/0x390 [ 364.318382] ? timer_fixup_init+0x70/0x70 [ 364.322526] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.328056] ? check_preemption_disabled+0x48/0x280 [ 364.333072] ? mark_held_locks+0xc7/0x130 [ 364.337216] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 364.342229] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 364.346982] ? retint_kernel+0x2d/0x2d [ 364.350867] ? trace_hardirqs_on_caller+0xc0/0x310 [ 364.355818] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 364.360568] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 364.366018] ? zap_class+0x640/0x640 [ 364.369731] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.375259] ? check_preemption_disabled+0x48/0x280 [ 364.380631] ? __lock_is_held+0xb5/0x140 [ 364.384695] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.390224] ? check_preemption_disabled+0x48/0x280 [ 364.395243] run_timer_softirq+0x52/0xb0 [ 364.399296] ? rcu_read_lock_sched_held+0x14f/0x180 [ 364.404325] __do_softirq+0x308/0xb7e [ 364.408126] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 364.412614] ? lock_downgrade+0x900/0x900 [ 364.416759] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 364.421871] ? pvclock_read_flags+0x160/0x160 [ 364.426361] ? lapic_next_event+0x5a/0x90 [ 364.430503] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.436040] ? kvm_clock_read+0x18/0x30 [ 364.440006] ? kvm_sched_clock_read+0x9/0x20 [ 364.444413] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.449942] ? check_preemption_disabled+0x48/0x280 [ 364.454962] irq_exit+0x17f/0x1c0 [ 364.458414] smp_apic_timer_interrupt+0x1cb/0x760 [ 364.463263] ? smp_reschedule_interrupt+0x109/0x650 [ 364.468279] ? smp_call_function_single_interrupt+0x650/0x650 [ 364.474162] ? interrupt_entry+0xb5/0xc0 [ 364.478217] ? trace_hardirqs_off_caller+0xbb/0x310 [ 364.483224] ? trace_hardirqs_off_caller+0xbb/0x310 [ 364.488233] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 364.493070] ? trace_hardirqs_on_caller+0x310/0x310 [ 364.498080] ? trace_hardirqs_on_caller+0x310/0x310 [ 364.503110] ? task_prio+0x50/0x50 [ 364.506653] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 364.512192] ? check_preemption_disabled+0x48/0x280 [ 364.517213] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 364.522052] apic_timer_interrupt+0xf/0x20 [ 364.526272] [ 364.528507] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 364.533704] Code: 00 e8 95 31 8e f9 e8 90 e2 bd f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d ea 90 8b 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d c0 90 [ 364.552603] RSP: 0000:ffff8801c4c0e140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 364.560318] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003afce19e [ 364.567586] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d7e70c7c [ 364.574847] RBP: ffff8801c4c0e168 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 364.582107] R10: 0000000000000000 R11: ffff8801d7e70400 R12: dffffc0000000000 [ 364.589367] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478 [ 364.596667] retint_kernel+0x1b/0x2d [ 364.600380] RIP: 0010:dump_stack+0x358/0x39d [ 364.604782] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 91 c1 00 fa 48 83 3d 99 b9 91 01 00 0f 84 63 fe ff ff e8 ee e6 bd f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db e6 bd f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 364.623675] RSP: 0000:ffff8801c4c0e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 364.631379] RAX: ffff8801d7e70400 RBX: 1ffffffff12a3e8e RCX: 1ffff1003afce19e [ 364.638642] RDX: 0000000000000000 RSI: ffffffff87c03ae2 RDI: 0000000000000293 [ 364.645906] RBP: ffff8801c4c0e2c8 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 364.653165] R10: 0000000000000000 R11: ffff8801d7e70400 R12: 1ffff10038981c4c [ 364.660428] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 364.667707] ? dump_stack+0x34f/0x39d [ 364.671511] ? dump_stack_print_info.cold.1+0x20/0x20 [ 364.676709] dump_header+0x27b/0xf72 [ 364.680423] ? mark_held_locks+0x130/0x130 [ 364.684655] ? pagefault_out_of_memory+0x197/0x197 [ 364.689604] ? __lock_acquire+0x62f/0x4c20 [ 364.693831] ? zap_class+0x640/0x640 [ 364.697574] ? percpu_ref_get_many+0x240/0x240 [ 364.702152] ? print_usage_bug+0xc0/0xc0 [ 364.706208] ? print_usage_bug+0xc0/0xc0 [ 364.710267] ? zap_class+0x640/0x640 [ 364.713981] ? print_usage_bug+0xc0/0xc0 [ 364.718034] ? print_usage_bug+0xc0/0xc0 [ 364.722099] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.727636] ? find_held_lock+0x36/0x1c0 [ 364.731699] ? mark_held_locks+0xc7/0x130 [ 364.735847] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 364.740948] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 364.746045] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 364.750637] ? trace_hardirqs_on+0xbd/0x310 [ 364.754950] ? kasan_check_read+0x11/0x20 [ 364.759093] ? ___ratelimit+0x3b4/0x672 [ 364.763063] ? trace_hardirqs_off_caller+0x310/0x310 [ 364.768166] ? trace_hardirqs_on+0x310/0x310 [ 364.772576] ? lock_downgrade+0x900/0x900 [ 364.776724] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 364.781835] ? ___ratelimit+0x3b9/0x672 [ 364.785802] ? idr_get_free+0xec0/0xec0 [ 364.789769] ? find_held_lock+0x36/0x1c0 [ 364.793830] oom_kill_process.cold.27+0x10/0x903 [ 364.798588] ? zap_class+0x640/0x640 [ 364.802295] ? check_preemption_disabled+0x48/0x280 [ 364.807313] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 364.812237] ? kasan_check_read+0x11/0x20 [ 364.816381] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 364.821661] ? oom_evaluate_task+0x540/0x540 [ 364.826076] ? find_held_lock+0x36/0x1c0 [ 364.830155] ? out_of_memory+0x974/0x1430 [ 364.834315] ? lock_downgrade+0x900/0x900 [ 364.838454] ? check_preemption_disabled+0x48/0x280 [ 364.843467] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 364.848391] ? kasan_check_read+0x11/0x20 [ 364.852534] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 364.857829] ? rcu_softirq_qs+0x20/0x20 [ 364.861801] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 364.867329] ? oom_evaluate_task+0x302/0x540 [ 364.871735] out_of_memory+0xa84/0x1430 [ 364.875711] ? oom_killer_disable+0x3a0/0x3a0 [ 364.880213] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 364.885136] ? __mutex_add_waiter+0x2a0/0x2a0 [ 364.889638] __alloc_pages_slowpath+0x22d4/0x2d70 [ 364.894501] ? warn_alloc+0x120/0x120 [ 364.898294] ? rcu_softirq_qs+0x20/0x20 [ 364.902286] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 364.907832] ? should_fail+0x22d/0xd01 [ 364.911721] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 364.916822] ? zap_class+0x640/0x640 [ 364.920555] ? __lock_is_held+0xb5/0x140 [ 364.924616] ? mark_held_locks+0x130/0x130 [ 364.928845] ? lock_release+0xa00/0xa00 [ 364.932826] ? perf_trace_sched_process_exec+0x860/0x860 [ 364.938277] ? __might_sleep+0x95/0x190 [ 364.942262] __alloc_pages_nodemask+0xa80/0xde0 [ 364.946931] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 364.951941] ? __page_cache_alloc+0x191/0x5c0 [ 364.956434] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 364.961362] ? kasan_check_read+0x11/0x20 [ 364.965504] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 364.970794] ? zap_class+0x640/0x640 [ 364.974507] ? zap_class+0x640/0x640 [ 364.978213] ? zap_class+0x640/0x640 [ 364.981920] ? __do_page_cache_readahead+0x7ce/0x980 [ 364.987023] ? find_held_lock+0x36/0x1c0 [ 364.991100] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 364.996653] alloc_pages_current+0x173/0x350 [ 365.001072] __page_cache_alloc+0x38c/0x5c0 [ 365.005389] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 365.010309] ? kasan_check_read+0x11/0x20 [ 365.014454] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 365.019726] ? generic_perform_write+0x6a0/0x6a0 [ 365.024476] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 365.030011] ? check_preemption_disabled+0x48/0x280 [ 365.035042] filemap_fault+0x1594/0x25f0 [ 365.039114] ? __lock_page_or_retry+0xa00/0xa00 [ 365.043781] ? mark_held_locks+0x130/0x130 [ 365.048010] ? rcu_softirq_qs+0x20/0x20 [ 365.051987] ? filemap_map_pages+0xe04/0x1990 [ 365.056489] ? __free_object+0x173/0x340 [ 365.060552] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 365.065483] ? trace_hardirqs_off_caller+0x310/0x310 [ 365.070599] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 365.075271] ? debug_object_free+0x32d/0x690 [ 365.079673] ? kasan_check_read+0x11/0x20 [ 365.083820] ? debug_object_destroy+0x2b0/0x2b0 [ 365.088487] ? lock_pi_update_atomic+0x150/0x150 [ 365.093241] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.098772] ? __hrtimer_init+0xdb/0x240 [ 365.102836] ? lock_acquire+0x1ed/0x520 [ 365.106802] ? ext4_filemap_fault+0x7a/0xad [ 365.111124] ? lock_release+0xa00/0xa00 [ 365.115092] ? perf_trace_sched_process_exec+0x860/0x860 [ 365.120546] ? print_usage_bug+0xc0/0xc0 [ 365.124602] ? print_usage_bug+0xc0/0xc0 [ 365.128671] ? down_read+0x8d/0x120 [ 365.132294] ? ext4_filemap_fault+0x7a/0xad [ 365.136610] ? __down_interruptible+0x700/0x700 [ 365.141282] ext4_filemap_fault+0x82/0xad [ 365.145429] __do_fault+0x100/0x6b0 [ 365.149059] ? pmd_devmap_trans_unstable+0x220/0x220 [ 365.154161] ? mark_held_locks+0x130/0x130 [ 365.158394] ? mark_held_locks+0x130/0x130 [ 365.162627] ? debug_smp_processor_id+0x1c/0x20 [ 365.167288] ? perf_trace_lock+0x14d/0x7a0 [ 365.171532] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 365.177066] __handle_mm_fault+0x307c/0x5920 [ 365.181483] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 365.186331] ? lock_is_held_type+0x210/0x210 [ 365.190754] ? zap_class+0x640/0x640 [ 365.194461] ? zap_class+0x640/0x640 [ 365.198165] ? __x64_sys_futex+0x53e/0x6a0 [ 365.202408] ? find_held_lock+0x36/0x1c0 [ 365.206471] ? handle_mm_fault+0x42a/0xc70 [ 365.210700] ? lock_downgrade+0x900/0x900 [ 365.214839] ? check_preemption_disabled+0x48/0x280 [ 365.219853] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 365.224773] ? kasan_check_read+0x11/0x20 [ 365.228921] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 365.234195] ? rcu_softirq_qs+0x20/0x20 [ 365.238162] ? trace_hardirqs_off_caller+0x310/0x310 [ 365.243263] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 365.248795] ? check_preemption_disabled+0x48/0x280 [ 365.253813] handle_mm_fault+0x54f/0xc70 [ 365.257870] ? __handle_mm_fault+0x5920/0x5920 [ 365.262448] ? find_vma+0x34/0x190 [ 365.265985] __do_page_fault+0x5e8/0xe60 [ 365.270044] ? trace_hardirqs_off+0xb8/0x310 [ 365.274446] ? __ia32_sys_read+0xb0/0xb0 [ 365.278520] do_page_fault+0xf2/0x7e0 [ 365.282314] ? vmalloc_sync_all+0x30/0x30 [ 365.286452] ? error_entry+0x70/0xd0 [ 365.290162] ? trace_hardirqs_off_caller+0xbb/0x310 [ 365.295166] ? trace_hardirqs_on_caller+0xc0/0x310 [ 365.300100] ? syscall_return_slowpath+0x5e0/0x5e0 [ 365.305028] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 365.309864] ? trace_hardirqs_on_caller+0x310/0x310 [ 365.314870] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 365.320327] ? prepare_exit_to_usermode+0x291/0x3b0 [ 365.325338] ? page_fault+0x8/0x30 [ 365.328870] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 365.333705] ? page_fault+0x8/0x30 [ 365.337237] page_fault+0x1e/0x30 [ 365.340683] RIP: 0033:0x45ddf3 [ 365.343892] Code: Bad RIP value. [ 365.347267] RSP: 002b:000000c4200206a0 EFLAGS: 00010206 [ 365.352625] RAX: ffffffffffffff92 RBX: 000000003b974269 RCX: 000000000045ddf3 [ 365.359887] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e1060 [ 365.367150] RBP: 000000c4200206e8 R08: 0000000000000000 R09: 0000000000000000 [ 365.374410] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001 [ 365.381678] R13: 0000000000000007 R14: 0000000000b7f720 R15: 000000000000bdf9 [ 365.388962] CPU: 0 PID: 17787 Comm: syz-executor0 Not tainted 4.19.0+ #72 [ 365.388972] warn_alloc_show_mem: 1 callbacks suppressed [ 365.388976] Mem-Info: [ 365.395888] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 365.401254] active_anon:46452 inactive_anon:2315 isolated_anon:0 [ 365.401254] active_file:13 inactive_file:13 isolated_file:0 [ 365.401254] unevictable:0 dirty:0 writeback:0 unstable:0 [ 365.401254] slab_reclaimable:9341 slab_unreclaimable:1470635 [ 365.401254] mapped:24578 shmem:7010 pagetables:528 bounce:0 [ 365.401254] free:13753 free_pcp:603 free_cma:0 [ 365.403620] Call Trace: [ 365.413007] Node 0 active_anon:185808kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:28040kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 365.446013] [ 365.446029] dump_stack+0x244/0x39d [ 365.448592] Node 0 [ 365.476161] ? dump_stack_print_info.cold.1+0x20/0x20 [ 365.478308] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 365.481910] warn_alloc.cold.117+0xb7/0x1bd [ 365.484109] lowmem_reserve[]: 0 [ 365.489303] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 365.514977] 2818 6321 [ 365.519298] ? lock_downgrade+0x900/0x900 [ 365.522548] 6321 [ 365.527386] ? trace_hardirqs_off+0xb8/0x310 [ 365.529854] Node 0 [ 365.533993] ? trace_hardirqs_off+0xb8/0x310 [ 365.536050] DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 365.540431] __alloc_pages_slowpath+0x2660/0x2d70 [ 365.542629] lowmem_reserve[]: 0 [ 365.547053] ? warn_alloc+0x120/0x120 [ 365.573977] 0 3503 [ 365.578817] ? warn_alloc+0x120/0x120 [ 365.582061] 3503 [ 365.585851] ? print_usage_bug+0xc0/0xc0 [ 365.588063] Node 0 [ 365.591847] ? warn_alloc+0x120/0x120 [ 365.593905] Normal free:13924kB min:37364kB low:46704kB high:56044kB active_anon:183760kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5536kB pagetables:2112kB bounce:0kB free_pcp:2164kB local_pcp:1336kB free_cma:0kB [ 365.597930] ? print_usage_bug+0xc0/0xc0 [ 365.600131] lowmem_reserve[]: 0 [ 365.603921] ? idle_cpu+0x1d0/0x1d0 [ 365.632423] 0 0 [ 365.636476] ? kvm_sched_clock_read+0x9/0x20 [ 365.639726] 0 [ 365.643346] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 365.645291] Node 0 [ 365.649707] ? find_next_bit+0x104/0x130 [ 365.651476] DMA: 1*4kB [ 365.656508] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 365.658710] (U) [ 365.662756] ? should_fail+0x22d/0xd01 [ 365.665306] 0*8kB 0*16kB [ 365.670834] ? __lock_is_held+0xb5/0x140 [ 365.672789] 1*32kB (U) [ 365.676669] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 365.679406] 2*64kB (U) [ 365.683698] ? __lock_acquire+0x62f/0x4c20 [ 365.686256] 1*128kB [ 365.691341] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 365.693896] (U) [ 365.698113] ? __lock_acquire+0x62f/0x4c20 [ 365.700405] 1*256kB (U) [ 365.705509] ? should_fail+0x22d/0xd01 [ 365.707465] 0*512kB 1*1024kB [ 365.711709] ? mark_held_locks+0x130/0x130 [ 365.714342] (U) 1*2048kB [ 365.718260] ? mark_held_locks+0x130/0x130 [ 365.721332] (M) 3*4096kB [ 365.725560] ? account_entity_enqueue+0x3a3/0x660 [ 365.728295] (M) = 15908kB [ 365.732524] ? zap_class+0x640/0x640 [ 365.735248] Node 0 [ 365.740104] ? print_usage_bug+0xc0/0xc0 [ 365.742826] DMA32: 5*4kB [ 365.746531] ? rcu_softirq_qs+0x20/0x20 [ 365.748737] (UM) [ 365.752793] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.755519] 1*8kB [ 365.759489] ? check_preemption_disabled+0x48/0x280 [ 365.761516] (H) [ 365.767055] ? __lock_is_held+0xb5/0x140 [ 365.769169] 2*16kB (M) [ 365.774181] __alloc_pages_nodemask+0xa80/0xde0 [ 365.776129] 3*32kB (M) [ 365.780182] ? zap_class+0x640/0x640 [ 365.782734] 3*64kB (MH) [ 365.787397] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 365.789953] 4*128kB [ 365.793658] ? find_held_lock+0x36/0x1c0 [ 365.796295] (M) [ 365.801300] ? ____cache_alloc_node+0x1c7/0x1e0 [ 365.803598] 5*256kB [ 365.807642] ? lock_downgrade+0x900/0x900 [ 365.809592] (UMH) [ 365.814247] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.816539] 5*512kB [ 365.820674] cache_grow_begin+0xa5/0x8c0 [ 365.822795] (UMH) [ 365.828314] ? do_raw_spin_unlock+0xa7/0x330 [ 365.830625] 4*1024kB (UMH) [ 365.834684] fallback_alloc+0x204/0x2e0 [ 365.836799] 2*2048kB (UM) [ 365.841202] ____cache_alloc_node+0x1c7/0x1e0 [ 365.844099] 3*4096kB (M) [ 365.848068] kmem_cache_alloc_node+0xe3/0x730 [ 365.850879] = 25180kB [ 365.850886] Node 0 [ 365.855368] ? ipv6_get_ifaddr+0x42e/0x620 [ 365.858089] Normal: 1917*4kB [ 365.862584] __alloc_skb+0x119/0x770 [ 365.864965] (UME) [ 365.867186] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 365.871383] 392*8kB (UME) [ 365.874501] ? netdev_alloc_frag+0x1f0/0x1f0 [ 365.878175] 105*16kB (UME) [ 365.880320] ? lock_downgrade+0x900/0x900 [ 365.885564] 43*32kB [ 365.888398] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.892774] (UM) 1*64kB [ 365.895705] ? refcount_sub_and_test_checked+0x203/0x310 [ 365.899818] (U) [ 365.902149] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 365.907651] 0*128kB 0*256kB [ 365.910311] ? addrconf_rs_timer+0x690/0x690 [ 365.915736] 0*512kB 0*1024kB [ 365.917710] ndisc_alloc_skb+0x144/0x340 [ 365.923127] 0*2048kB [ 365.926151] ndisc_send_rs+0x331/0x6e0 [ 365.930538] 0*4096kB [ 365.933632] addrconf_rs_timer+0x314/0x690 [ 365.937659] = 13924kB [ 365.937685] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 365.940077] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 365.943947] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 365.946357] call_timer_fn+0x272/0x920 [ 365.950553] 7036 total pagecache pages [ 365.952951] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 365.961762] 0 pages in swap cache [ 365.965972] ? process_timeout+0x40/0x40 [ 365.974519] Swap cache stats: add 0, delete 0, find 0/0 [ 365.978394] ? __run_timers+0x7da/0xc70 [ 365.982245] Free swap = 0kB [ 365.986474] ? _raw_spin_unlock_irq+0x27/0x80 [ 365.989896] Total swap = 0kB [ 365.993943] ? _raw_spin_unlock_irq+0x27/0x80 [ 365.999275] 1965979 pages RAM [ 366.003244] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 366.006231] 0 pages HighMem/MovableOnly [ 366.006239] 342867 pages reserved [ 366.010718] ? lockdep_hardirqs_on+0x296/0x5b0 [ 366.013701] 0 pages cma reserved [ 366.013995] syz-fuzzer: page allocation failure: order:1, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 366.018201] ? trace_hardirqs_on+0xbd/0x310 [ 366.021276] syz-fuzzer cpuset= [ 366.025508] ? kasan_check_read+0x11/0x20 [ 366.025524] ? __run_timers+0x7da/0xc70 [ 366.029486] / [ 366.032924] ? trace_hardirqs_off_caller+0x310/0x310 [ 366.037490] mems_allowed=0 [ 366.040847] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 366.080867] __run_timers+0x7e5/0xc70 [ 366.084674] ? timer_fixup_init+0x70/0x70 [ 366.088818] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 366.093825] ? zap_class+0x640/0x640 [ 366.097534] ? enqueue_hrtimer+0x1a5/0x560 [ 366.101764] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 366.106953] ? find_held_lock+0x36/0x1c0 [ 366.111013] ? zap_class+0x640/0x640 [ 366.114725] ? pvclock_read_flags+0x160/0x160 [ 366.119216] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.124747] ? check_preemption_disabled+0x48/0x280 [ 366.129775] ? __lock_is_held+0xb5/0x140 [ 366.133827] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.139356] ? check_preemption_disabled+0x48/0x280 [ 366.144368] run_timer_softirq+0x52/0xb0 [ 366.148425] ? rcu_read_lock_sched_held+0x14f/0x180 [ 366.153468] __do_softirq+0x308/0xb7e [ 366.157263] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 366.161751] ? lock_downgrade+0x900/0x900 [ 366.165926] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 366.171029] ? pvclock_read_flags+0x160/0x160 [ 366.175535] ? lapic_next_event+0x5a/0x90 [ 366.179691] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.185225] ? kvm_clock_read+0x18/0x30 [ 366.189193] ? kvm_sched_clock_read+0x9/0x20 [ 366.193599] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.199132] ? check_preemption_disabled+0x48/0x280 [ 366.204161] irq_exit+0x17f/0x1c0 [ 366.207605] smp_apic_timer_interrupt+0x1cb/0x760 [ 366.212447] ? smp_reschedule_interrupt+0x109/0x650 [ 366.217470] ? smp_call_function_single_interrupt+0x650/0x650 [ 366.223347] ? interrupt_entry+0xb5/0xc0 [ 366.227402] ? trace_hardirqs_off_caller+0xbb/0x310 [ 366.232411] ? trace_hardirqs_off_caller+0xbb/0x310 [ 366.237422] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 366.242268] ? trace_hardirqs_on_caller+0x310/0x310 [ 366.247275] ? trace_hardirqs_on_caller+0x310/0x310 [ 366.252281] ? task_prio+0x50/0x50 [ 366.255819] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.261348] ? check_preemption_disabled+0x48/0x280 [ 366.266361] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 366.271203] apic_timer_interrupt+0xf/0x20 [ 366.275447] [ 366.277679] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 366.282613] Code: 7e 0f 85 cf fe ff ff e8 f6 d7 3f ff e9 c5 fe ff ff e8 4d a2 c3 ff 48 83 3d a5 50 91 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 6a b1 [ 366.301513] RSP: 0000:ffff88019c63f740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 366.309214] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 366.316503] RDX: 0000000000000000 RSI: ffff8801929e68c0 RDI: 0000000000000286 [ 366.323764] RBP: ffff88019c63f7a8 R08: ffff8801929e6040 R09: 0000000000000000 [ 366.331022] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 366.338283] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020 [ 366.345573] skb_clone+0x1bb/0x500 [ 366.349109] ? finish_task_switch+0x2f4/0x910 [ 366.353598] ? skb_split+0x11e0/0x11e0 [ 366.357482] ? preempt_notifier_register+0x200/0x200 [ 366.362577] ? __switch_to_asm+0x34/0x70 [ 366.366629] ? __switch_to_asm+0x34/0x70 [ 366.370690] ? __switch_to_asm+0x40/0x70 [ 366.374747] ? __switch_to_asm+0x34/0x70 [ 366.378800] ? __switch_to_asm+0x40/0x70 [ 366.382853] ? __switch_to_asm+0x34/0x70 [ 366.386904] ? __switch_to_asm+0x40/0x70 [ 366.390962] ? __switch_to_asm+0x34/0x70 [ 366.395017] ? __switch_to_asm+0x34/0x70 [ 366.399067] ? __switch_to_asm+0x40/0x70 [ 366.403121] ? __switch_to_asm+0x34/0x70 [ 366.407180] bpf_clone_redirect+0xb9/0x490 [ 366.411404] ? __schedule+0x8d7/0x21d0 [ 366.415292] bpf_prog_bebbfe2050753572+0x325/0x1000 [ 366.420303] ? __sched_text_start+0x8/0x8 [ 366.424475] ? find_held_lock+0x36/0x1c0 [ 366.428546] ? lock_acquire+0x1ed/0x520 [ 366.432514] ? bpf_test_run+0x3cb/0x780 [ 366.436482] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.442011] ? check_preemption_disabled+0x48/0x280 [ 366.447047] ? kasan_check_read+0x11/0x20 [ 366.451192] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 366.456476] ? rcu_softirq_qs+0x20/0x20 [ 366.460454] ? preempt_schedule+0x4d/0x60 [ 366.464595] ? ___preempt_schedule+0x16/0x18 [ 366.469005] ? bpf_test_run+0x25d/0x780 [ 366.472981] ? netlink_diag_dump+0x2a0/0x2a0 [ 366.477383] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 366.482912] ? bpf_test_init.isra.10+0x70/0x100 [ 366.487580] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 366.492340] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 366.497187] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 366.502724] ? fput+0x130/0x1a0 [ 366.505999] ? __bpf_prog_get+0x9b/0x290 [ 366.510055] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 366.514906] ? bpf_prog_test_run+0x130/0x1a0 [ 366.519315] ? __x64_sys_bpf+0x3d8/0x520 [ 366.523368] ? bpf_prog_get+0x20/0x20 [ 366.527180] ? do_syscall_64+0x1b9/0x820 [ 366.531234] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 366.536604] ? syscall_return_slowpath+0x5e0/0x5e0 [ 366.541528] ? trace_hardirqs_on_caller+0x310/0x310 [ 366.546542] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 366.551552] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 366.558560] ? __switch_to_asm+0x40/0x70 [ 366.562615] ? __switch_to_asm+0x34/0x70 [ 366.566672] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 366.571523] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 366.576893] CPU: 1 PID: 5375 Comm: syz-fuzzer Not tainted 4.19.0+ #72 [ 366.576976] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 366.583471] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 366.583476] Call Trace: [ 366.583480] [ 366.583495] dump_stack+0x244/0x39d [ 366.583513] ? dump_stack_print_info.cold.1+0x20/0x20 [ 366.590029] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 366.599344] warn_alloc.cold.117+0xb7/0x1bd [ 366.601892] syz-executor0 cpuset= [ 366.604026] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 366.607620] syz0 [ 366.612805] ? lock_downgrade+0x900/0x900 [ 366.623259] mems_allowed=0 [ 366.627569] ? trace_hardirqs_off+0xb8/0x310 [ 366.649209] ? trace_hardirqs_off+0xb8/0x310 [ 366.653705] __alloc_pages_slowpath+0x2660/0x2d70 [ 366.658584] ? warn_alloc+0x120/0x120 [ 366.662379] ? zap_class+0x640/0x640 [ 366.666105] ? warn_alloc+0x120/0x120 [ 366.669899] ? print_usage_bug+0xc0/0xc0 [ 366.673968] ? warn_alloc+0x120/0x120 [ 366.677760] ? print_usage_bug+0xc0/0xc0 [ 366.681832] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 366.687366] ? should_fail+0x22d/0xd01 [ 366.691250] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 366.696346] ? __lock_acquire+0x62f/0x4c20 [ 366.700577] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 366.705673] ? __lock_acquire+0x62f/0x4c20 [ 366.709898] ? should_fail+0x22d/0xd01 [ 366.713895] ? mark_held_locks+0x130/0x130 [ 366.718132] ? mark_held_locks+0x130/0x130 [ 366.722372] ? zap_class+0x640/0x640 [ 366.726107] ? zap_class+0x640/0x640 [ 366.729824] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.735357] ? check_preemption_disabled+0x48/0x280 [ 366.740372] ? __lock_is_held+0xb5/0x140 [ 366.744461] __alloc_pages_nodemask+0xa80/0xde0 [ 366.749127] ? zap_class+0x640/0x640 [ 366.752842] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 366.757863] ? find_held_lock+0x36/0x1c0 [ 366.761929] ? ____cache_alloc_node+0x1c7/0x1e0 [ 366.766594] ? lock_downgrade+0x900/0x900 [ 366.770741] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.776281] cache_grow_begin+0xa5/0x8c0 [ 366.780335] ? do_raw_spin_unlock+0xa7/0x330 [ 366.784743] fallback_alloc+0x204/0x2e0 [ 366.788716] ____cache_alloc_node+0x1c7/0x1e0 [ 366.793210] __kmalloc+0x208/0x760 [ 366.796753] ? __neigh_create+0x30b/0x2130 [ 366.800989] __neigh_create+0x30b/0x2130 [ 366.805043] ? __local_bh_enable_ip+0x160/0x260 [ 366.809706] ? __local_bh_enable_ip+0x160/0x260 [ 366.814380] ? mark_held_locks+0x130/0x130 [ 366.818622] ? __local_bh_enable_ip+0x160/0x260 [ 366.823288] ? neigh_hash_alloc+0x1e0/0x1e0 [ 366.827622] ? zap_class+0x640/0x640 [ 366.831326] ? trace_hardirqs_on+0xbd/0x310 [ 366.835637] ? mark_held_locks+0xc7/0x130 [ 366.839780] ? ip6t_do_table+0xd9e/0x1d30 [ 366.843942] ? trace_hardirqs_off_caller+0x310/0x310 [ 366.849038] ? __local_bh_enable_ip+0x160/0x260 [ 366.853704] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.859239] ? lock_acquire+0x1ed/0x520 [ 366.863208] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.868740] ? check_preemption_disabled+0x48/0x280 [ 366.873755] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 366.879284] ? rcu_pm_notify+0xc0/0xc0 [ 366.883164] ? zap_class+0x640/0x640 [ 366.886869] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 366.892058] ip6_finish_output2+0xa59/0x27a0 [ 366.896466] ? ip6_copy_metadata+0xe30/0xe30 [ 366.900879] ? ip6_mtu+0x39c/0x520 [ 366.904422] ? lock_downgrade+0x900/0x900 [ 366.908564] ? check_preemption_disabled+0x48/0x280 [ 366.913575] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 366.918512] ? kasan_check_read+0x11/0x20 [ 366.922660] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 366.927936] ? rcu_softirq_qs+0x20/0x20 [ 366.931919] ? ip6_mtu+0x160/0x520 [ 366.935452] ? find_match+0x10a0/0x10a0 [ 366.939421] ? kasan_check_read+0x11/0x20 [ 366.943563] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 366.948839] ip6_finish_output+0x58c/0xc60 [ 366.953064] ? ip6_finish_output+0x58c/0xc60 [ 366.957470] ip6_output+0x232/0x9d0 [ 366.961111] ? ip6_finish_output+0xc60/0xc60 [ 366.965518] ? ip6_fragment+0x38e0/0x38e0 [ 366.969664] ? __lock_is_held+0xb5/0x140 [ 366.973731] ndisc_send_skb+0x1005/0x1570 [ 366.977879] ? nf_hook.constprop.33+0x860/0x860 [ 366.982548] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.988079] ? refcount_sub_and_test_checked+0x203/0x310 [ 366.993527] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 366.998985] ndisc_send_rs+0x134/0x6e0 [ 367.002895] addrconf_rs_timer+0x314/0x690 [ 367.007129] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 367.011368] call_timer_fn+0x272/0x920 [ 367.015257] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 367.019488] ? process_timeout+0x40/0x40 [ 367.023551] ? mark_held_locks+0xc7/0x130 [ 367.027699] ? _raw_spin_unlock_irq+0x27/0x80 [ 367.032187] ? _raw_spin_unlock_irq+0x27/0x80 [ 367.036675] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 367.040907] ? lockdep_hardirqs_on+0x296/0x5b0 [ 367.045483] ? trace_hardirqs_on+0xbd/0x310 [ 367.049800] ? kasan_check_read+0x11/0x20 [ 367.053938] ? __run_timers+0x7da/0xc70 [ 367.057992] ? trace_hardirqs_off_caller+0x310/0x310 [ 367.063092] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 367.067325] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 367.071552] __run_timers+0x7e5/0xc70 [ 367.075344] ? rcu_irq_exit+0x1a2/0x390 [ 367.079353] ? timer_fixup_init+0x70/0x70 [ 367.083504] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.089031] ? check_preemption_disabled+0x48/0x280 [ 367.094049] ? mark_held_locks+0xc7/0x130 [ 367.098188] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 367.103203] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 367.107960] ? retint_kernel+0x2d/0x2d [ 367.111840] ? trace_hardirqs_on_caller+0xc0/0x310 [ 367.116762] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 367.121510] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 367.126955] ? zap_class+0x640/0x640 [ 367.130668] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.136197] ? check_preemption_disabled+0x48/0x280 [ 367.141214] ? __lock_is_held+0xb5/0x140 [ 367.145270] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.150806] ? check_preemption_disabled+0x48/0x280 [ 367.155818] run_timer_softirq+0x52/0xb0 [ 367.159888] ? rcu_read_lock_sched_held+0x14f/0x180 [ 367.164906] __do_softirq+0x308/0xb7e [ 367.168709] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 367.173197] ? lock_downgrade+0x900/0x900 [ 367.177344] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 367.182455] ? pvclock_read_flags+0x160/0x160 [ 367.186946] ? lapic_next_event+0x5a/0x90 [ 367.191088] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.196625] ? kvm_clock_read+0x18/0x30 [ 367.200602] ? kvm_sched_clock_read+0x9/0x20 [ 367.205005] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.210550] ? check_preemption_disabled+0x48/0x280 [ 367.215570] irq_exit+0x17f/0x1c0 [ 367.219027] smp_apic_timer_interrupt+0x1cb/0x760 [ 367.223861] ? smp_reschedule_interrupt+0x109/0x650 [ 367.228885] ? smp_call_function_single_interrupt+0x650/0x650 [ 367.234770] ? interrupt_entry+0xb5/0xc0 [ 367.238824] ? trace_hardirqs_off_caller+0xbb/0x310 [ 367.243920] ? trace_hardirqs_off_caller+0xbb/0x310 [ 367.248935] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 367.253774] ? trace_hardirqs_on_caller+0x310/0x310 [ 367.258782] ? trace_hardirqs_on_caller+0x310/0x310 [ 367.263800] ? task_prio+0x50/0x50 [ 367.267334] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 367.272874] ? check_preemption_disabled+0x48/0x280 [ 367.277892] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 367.282734] apic_timer_interrupt+0xf/0x20 [ 367.286972] [ 367.289218] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 367.294402] Code: 00 e8 95 31 8e f9 e8 90 e2 bd f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d ea 90 8b 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d c0 90 [ 367.313290] RSP: 0000:ffff8801c4c0e140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 367.320989] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003afce19e [ 367.328250] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d7e70c7c [ 367.335526] RBP: ffff8801c4c0e168 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 367.342814] R10: 0000000000000000 R11: ffff8801d7e70400 R12: dffffc0000000000 [ 367.350083] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478 [ 367.357380] retint_kernel+0x1b/0x2d [ 367.361097] RIP: 0010:dump_stack+0x358/0x39d [ 367.365497] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 91 c1 00 fa 48 83 3d 99 b9 91 01 00 0f 84 63 fe ff ff e8 ee e6 bd f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db e6 bd f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 367.384386] RSP: 0000:ffff8801c4c0e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 367.392104] RAX: ffff8801d7e70400 RBX: 1ffffffff12a3e8e RCX: 1ffff1003afce19e [ 367.399380] RDX: 0000000000000000 RSI: ffffffff87c03ae2 RDI: 0000000000000293 [ 367.406751] RBP: ffff8801c4c0e2c8 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 367.414014] R10: 0000000000000000 R11: ffff8801d7e70400 R12: 1ffff10038981c4c [ 367.421279] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 367.428555] ? dump_stack+0x34f/0x39d [ 367.432366] ? dump_stack_print_info.cold.1+0x20/0x20 [ 367.437574] dump_header+0x27b/0xf72 [ 367.441287] ? mark_held_locks+0x130/0x130 [ 367.445519] ? pagefault_out_of_memory+0x197/0x197 [ 367.450447] ? __lock_acquire+0x62f/0x4c20 [ 367.454672] ? zap_class+0x640/0x640 [ 367.458383] ? percpu_ref_get_many+0x240/0x240 [ 367.462978] ? print_usage_bug+0xc0/0xc0 [ 367.467053] ? print_usage_bug+0xc0/0xc0 [ 367.471113] ? zap_class+0x640/0x640 [ 367.474823] ? print_usage_bug+0xc0/0xc0 [ 367.478893] ? print_usage_bug+0xc0/0xc0 [ 367.482953] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.488490] ? find_held_lock+0x36/0x1c0 [ 367.492556] ? mark_held_locks+0xc7/0x130 [ 367.496700] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 367.501813] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 367.506914] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 367.511502] ? trace_hardirqs_on+0xbd/0x310 [ 367.516145] ? kasan_check_read+0x11/0x20 [ 367.520292] ? ___ratelimit+0x3b4/0x672 [ 367.524263] ? trace_hardirqs_off_caller+0x310/0x310 [ 367.529363] ? trace_hardirqs_on+0x310/0x310 [ 367.533765] ? lock_downgrade+0x900/0x900 [ 367.537926] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 367.543021] ? ___ratelimit+0x3b9/0x672 [ 367.546991] ? idr_get_free+0xec0/0xec0 [ 367.550958] ? find_held_lock+0x36/0x1c0 [ 367.555069] oom_kill_process.cold.27+0x10/0x903 [ 367.559818] ? zap_class+0x640/0x640 [ 367.563534] ? check_preemption_disabled+0x48/0x280 [ 367.568569] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 367.573491] ? kasan_check_read+0x11/0x20 [ 367.577631] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 367.582901] ? oom_evaluate_task+0x540/0x540 [ 367.587310] ? find_held_lock+0x36/0x1c0 [ 367.591379] ? out_of_memory+0x974/0x1430 [ 367.595521] ? lock_downgrade+0x900/0x900 [ 367.599660] ? check_preemption_disabled+0x48/0x280 [ 367.604677] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 367.609601] ? kasan_check_read+0x11/0x20 [ 367.613747] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 367.619026] ? rcu_softirq_qs+0x20/0x20 [ 367.623019] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 367.628547] ? oom_evaluate_task+0x302/0x540 [ 367.632956] out_of_memory+0xa84/0x1430 [ 367.636934] ? oom_killer_disable+0x3a0/0x3a0 [ 367.641424] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 367.646358] ? __mutex_add_waiter+0x2a0/0x2a0 [ 367.650862] __alloc_pages_slowpath+0x22d4/0x2d70 [ 367.655728] ? warn_alloc+0x120/0x120 [ 367.659522] ? rcu_softirq_qs+0x20/0x20 [ 367.663513] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 367.669041] ? should_fail+0x22d/0xd01 [ 367.672926] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 367.678034] ? zap_class+0x640/0x640 [ 367.682278] ? __lock_is_held+0xb5/0x140 [ 367.686350] ? mark_held_locks+0x130/0x130 [ 367.690579] ? lock_release+0xa00/0xa00 [ 367.694559] ? perf_trace_sched_process_exec+0x860/0x860 [ 367.700011] ? __might_sleep+0x95/0x190 [ 367.703986] __alloc_pages_nodemask+0xa80/0xde0 [ 367.708657] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 367.713665] ? __page_cache_alloc+0x191/0x5c0 [ 367.718186] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 367.723108] ? kasan_check_read+0x11/0x20 [ 367.727274] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 367.732546] ? zap_class+0x640/0x640 [ 367.736263] ? zap_class+0x640/0x640 [ 367.739970] ? zap_class+0x640/0x640 [ 367.743679] ? __do_page_cache_readahead+0x7ce/0x980 [ 367.748780] ? find_held_lock+0x36/0x1c0 [ 367.752856] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 367.758414] alloc_pages_current+0x173/0x350 [ 367.762827] __page_cache_alloc+0x38c/0x5c0 [ 367.767143] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 367.772065] ? kasan_check_read+0x11/0x20 [ 367.776221] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 367.781495] ? generic_perform_write+0x6a0/0x6a0 [ 367.786252] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 367.791801] ? check_preemption_disabled+0x48/0x280 [ 367.796827] filemap_fault+0x1594/0x25f0 [ 367.800893] ? __lock_page_or_retry+0xa00/0xa00 [ 367.805563] ? mark_held_locks+0x130/0x130 [ 367.809791] ? rcu_softirq_qs+0x20/0x20 [ 367.813789] ? filemap_map_pages+0xe04/0x1990 [ 367.818286] ? __free_object+0x173/0x340 [ 367.822348] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 367.827289] ? trace_hardirqs_off_caller+0x310/0x310 [ 367.832393] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 367.837068] ? debug_object_free+0x32d/0x690 [ 367.841471] ? kasan_check_read+0x11/0x20 [ 367.845624] ? debug_object_destroy+0x2b0/0x2b0 [ 367.850287] ? lock_pi_update_atomic+0x150/0x150 [ 367.855040] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.860567] ? __hrtimer_init+0xdb/0x240 [ 367.864629] ? lock_acquire+0x1ed/0x520 [ 367.868606] ? ext4_filemap_fault+0x7a/0xad [ 367.872923] ? lock_release+0xa00/0xa00 [ 367.876886] ? perf_trace_sched_process_exec+0x860/0x860 [ 367.882347] ? print_usage_bug+0xc0/0xc0 [ 367.886403] ? print_usage_bug+0xc0/0xc0 [ 367.890485] ? down_read+0x8d/0x120 [ 367.894105] ? ext4_filemap_fault+0x7a/0xad [ 367.898420] ? __down_interruptible+0x700/0x700 [ 367.903093] ext4_filemap_fault+0x82/0xad [ 367.907236] __do_fault+0x100/0x6b0 [ 367.910861] ? pmd_devmap_trans_unstable+0x220/0x220 [ 367.915959] ? mark_held_locks+0x130/0x130 [ 367.920188] ? mark_held_locks+0x130/0x130 [ 367.924420] ? debug_smp_processor_id+0x1c/0x20 [ 367.929108] ? perf_trace_lock+0x14d/0x7a0 [ 367.933342] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 367.938882] __handle_mm_fault+0x307c/0x5920 [ 367.943292] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 367.948134] ? lock_is_held_type+0x210/0x210 [ 367.952554] ? zap_class+0x640/0x640 [ 367.956261] ? zap_class+0x640/0x640 [ 367.959965] ? __x64_sys_futex+0x53e/0x6a0 [ 367.964204] ? find_held_lock+0x36/0x1c0 [ 367.968278] ? handle_mm_fault+0x42a/0xc70 [ 367.972511] ? lock_downgrade+0x900/0x900 [ 367.976668] ? check_preemption_disabled+0x48/0x280 [ 367.981685] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 367.986622] ? kasan_check_read+0x11/0x20 [ 367.990766] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 367.996037] ? rcu_softirq_qs+0x20/0x20 [ 368.000008] ? trace_hardirqs_off_caller+0x310/0x310 [ 368.005116] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 368.010654] ? check_preemption_disabled+0x48/0x280 [ 368.015671] handle_mm_fault+0x54f/0xc70 [ 368.019730] ? __handle_mm_fault+0x5920/0x5920 [ 368.024314] ? find_vma+0x34/0x190 [ 368.027856] __do_page_fault+0x5e8/0xe60 [ 368.031912] ? trace_hardirqs_off+0xb8/0x310 [ 368.036319] ? __ia32_sys_read+0xb0/0xb0 [ 368.040393] do_page_fault+0xf2/0x7e0 [ 368.044188] ? vmalloc_sync_all+0x30/0x30 [ 368.048326] ? error_entry+0x70/0xd0 [ 368.052031] ? trace_hardirqs_off_caller+0xbb/0x310 [ 368.057040] ? trace_hardirqs_on_caller+0xc0/0x310 [ 368.061964] ? syscall_return_slowpath+0x5e0/0x5e0 [ 368.066885] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 368.071726] ? trace_hardirqs_on_caller+0x310/0x310 [ 368.076737] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 368.082192] ? prepare_exit_to_usermode+0x291/0x3b0 [ 368.087203] ? page_fault+0x8/0x30 [ 368.090739] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 368.095592] ? page_fault+0x8/0x30 [ 368.099127] page_fault+0x1e/0x30 [ 368.102572] RIP: 0033:0x45ddf3 [ 368.105771] Code: Bad RIP value. [ 368.109133] RSP: 002b:000000c4200206a0 EFLAGS: 00010206 [ 368.114488] RAX: ffffffffffffff92 RBX: 000000003b974269 RCX: 000000000045ddf3 [ 368.121749] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e1060 [ 368.129013] RBP: 000000c4200206e8 R08: 0000000000000000 R09: 0000000000000000 [ 368.136272] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001 [ 368.143560] R13: 0000000000000007 R14: 0000000000b7f720 R15: 000000000000bdf9 [ 368.150843] CPU: 0 PID: 17787 Comm: syz-executor0 Not tainted 4.19.0+ #72 [ 368.150847] warn_alloc_show_mem: 1 callbacks suppressed [ 368.150853] Mem-Info: [ 368.157773] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 368.163131] active_anon:46452 inactive_anon:2315 isolated_anon:0 [ 368.163131] active_file:13 inactive_file:13 isolated_file:0 [ 368.163131] unevictable:0 dirty:0 writeback:0 unstable:0 [ 368.163131] slab_reclaimable:9341 slab_unreclaimable:1470635 [ 368.163131] mapped:24578 shmem:7010 pagetables:528 bounce:0 [ 368.163131] free:13753 free_pcp:603 free_cma:0 [ 368.165500] Call Trace: [ 368.174870] Node 0 active_anon:185808kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:28040kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 368.207975] [ 368.210543] Node 0 [ 368.238111] dump_stack+0x244/0x39d [ 368.240255] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 368.242462] ? dump_stack_print_info.cold.1+0x20/0x20 [ 368.246054] lowmem_reserve[]: 0 [ 368.271555] warn_alloc.cold.117+0xb7/0x1bd [ 368.276703] 2818 6321 [ 368.279975] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 368.284268] 6321 [ 368.286773] ? lock_downgrade+0x900/0x900 [ 368.291594] Node 0 [ 368.293648] ? trace_hardirqs_off+0xb8/0x310 [ 368.297789] DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 368.299998] ? trace_hardirqs_off+0xb8/0x310 [ 368.304395] lowmem_reserve[]: [ 368.331364] __alloc_pages_slowpath+0x2660/0x2d70 [ 368.335736] 0 0 [ 368.338857] ? warn_alloc+0x120/0x120 [ 368.343652] 3503 [ 368.345617] ? warn_alloc+0x120/0x120 [ 368.349380] 3503 [ 368.351448] ? print_usage_bug+0xc0/0xc0 [ 368.355237] Node 0 [ 368.357296] ? warn_alloc+0x120/0x120 [ 368.361356] Normal free:13924kB min:37364kB low:46704kB high:56044kB active_anon:183760kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5536kB pagetables:2112kB bounce:0kB free_pcp:2164kB local_pcp:1336kB free_cma:0kB [ 368.363555] ? print_usage_bug+0xc0/0xc0 [ 368.367328] lowmem_reserve[]: [ 368.395851] ? __lock_acquire+0x62f/0x4c20 [ 368.399880] 0 0 [ 368.402978] ? __lock_acquire+0x62f/0x4c20 [ 368.407176] 0 0 [ 368.409161] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 368.415328] ? should_fail+0x22d/0xd01 [ 368.420845] Node 0 DMA: [ 368.424732] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 368.424747] ? __lock_acquire+0x62f/0x4c20 [ 368.427390] 1*4kB [ 368.432479] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 368.436683] (U) [ 368.438821] ? __lock_acquire+0x62f/0x4c20 [ 368.443889] 0*8kB 0*16kB [ 368.445873] ? should_fail+0x22d/0xd01 [ 368.450072] 1*32kB (U) [ 368.452823] ? find_held_lock+0x36/0x1c0 [ 368.456677] 2*64kB (U) [ 368.459274] ? mark_held_locks+0x130/0x130 [ 368.463298] 1*128kB [ 368.465868] ? mark_held_locks+0x130/0x130 [ 368.470067] (U) 1*256kB [ 368.472380] ? zap_class+0x640/0x640 [ 368.476602] (U) 0*512kB [ 368.479276] ? zap_class+0x640/0x640 [ 368.482949] 1*1024kB (U) [ 368.485611] ? print_usage_bug+0xc0/0xc0 [ 368.489295] 1*2048kB [ 368.492036] ? do_raw_spin_unlock+0xa7/0x330 [ 368.496081] (M) [ 368.498478] ? zap_class+0x640/0x640 [ 368.502854] 3*4096kB (M) [ 368.504839] ? print_usage_bug+0xc0/0xc0 [ 368.508517] = 15908kB [ 368.508524] Node 0 [ 368.511275] ? wq_watchdog_touch+0x9c/0xfe [ 368.511292] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.515320] DMA32: 5*4kB [ 368.517722] ? check_preemption_disabled+0x48/0x280 [ 368.519928] (UM) [ 368.524151] ? __lock_is_held+0xb5/0x140 [ 368.529647] 1*8kB (H) [ 368.532401] __alloc_pages_nodemask+0xa80/0xde0 [ 368.537381] 2*16kB (M) [ 368.539438] ? zap_class+0x640/0x640 [ 368.543472] 3*32kB (M) [ 368.545977] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 368.550607] 3*64kB (MH) [ 368.553206] ? find_held_lock+0x36/0x1c0 [ 368.556885] 4*128kB [ 368.559457] ? ____cache_alloc_node+0x1c7/0x1e0 [ 368.564451] (M) [ 368.567110] ? lock_downgrade+0x900/0x900 [ 368.571138] 5*256kB (UMH) [ 368.573456] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.578087] 5*512kB (UMH) [ 368.580058] cache_grow_begin+0xa5/0x8c0 [ 368.584170] 4*1024kB (UMH) [ 368.587017] ? do_raw_spin_unlock+0xa7/0x330 [ 368.592521] 2*2048kB (UM) [ 368.595362] fallback_alloc+0x204/0x2e0 [ 368.599392] 3*4096kB (M) [ 368.602323] ____cache_alloc_node+0x1c7/0x1e0 [ 368.606696] = 25180kB [ 368.606703] Node 0 [ 368.609538] kmem_cache_alloc_node+0xe3/0x730 [ 368.613475] Normal: 1917*4kB [ 368.616228] ? ipv6_get_ifaddr+0x42e/0x620 [ 368.620686] (UME) 392*8kB [ 368.623098] __alloc_skb+0x119/0x770 [ 368.625299] (UME) [ 368.629790] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 368.632860] 105*16kB (UME) [ 368.637083] ? netdev_alloc_frag+0x1f0/0x1f0 [ 368.639891] 43*32kB (UM) [ 368.643594] ? lock_downgrade+0x900/0x900 [ 368.645714] 1*64kB (U) [ 368.651007] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.653905] 0*128kB [ 368.658317] ? refcount_sub_and_test_checked+0x203/0x310 [ 368.661052] 0*256kB 0*512kB [ 368.665196] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 368.667745] 0*1024kB 0*2048kB [ 368.673278] ? addrconf_rs_timer+0x690/0x690 [ 368.675569] 0*4096kB = 13924kB [ 368.681017] ndisc_alloc_skb+0x144/0x340 [ 368.684005] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 368.689434] ndisc_send_rs+0x331/0x6e0 [ 368.692600] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 368.696990] addrconf_rs_timer+0x314/0x690 [ 368.700158] 7036 total pagecache pages [ 368.704204] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 368.713019] 0 pages in swap cache [ 368.716903] call_timer_fn+0x272/0x920 [ 368.725448] Swap cache stats: add 0, delete 0, find 0/0 [ 368.729683] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 368.733544] Free swap = 0kB [ 368.737774] ? process_timeout+0x40/0x40 [ 368.741197] Total swap = 0kB [ 368.745073] ? __run_timers+0x7da/0xc70 [ 368.750405] 1965979 pages RAM [ 368.754625] ? _raw_spin_unlock_irq+0x27/0x80 [ 368.757621] 0 pages HighMem/MovableOnly [ 368.757628] 342867 pages reserved [ 368.761684] ? _raw_spin_unlock_irq+0x27/0x80 [ 368.764668] 0 pages cma reserved [ 368.764839] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 368.768634] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 368.771742] syz-fuzzer cpuset= [ 368.776222] ? lockdep_hardirqs_on+0x296/0x5b0 [ 368.780171] / [ 368.783611] ? trace_hardirqs_on+0xbd/0x310 [ 368.788077] mems_allowed=0 [ 368.791426] ? kasan_check_read+0x11/0x20 [ 368.826617] ? __run_timers+0x7da/0xc70 [ 368.830590] ? trace_hardirqs_off_caller+0x310/0x310 [ 368.835704] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 368.839938] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 368.844179] __run_timers+0x7e5/0xc70 [ 368.847989] ? timer_fixup_init+0x70/0x70 [ 368.852131] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 368.857140] ? zap_class+0x640/0x640 [ 368.860849] ? enqueue_hrtimer+0x1a5/0x560 [ 368.865076] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 368.870272] ? find_held_lock+0x36/0x1c0 [ 368.874331] ? zap_class+0x640/0x640 [ 368.878041] ? pvclock_read_flags+0x160/0x160 [ 368.883066] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.888596] ? check_preemption_disabled+0x48/0x280 [ 368.893618] ? __lock_is_held+0xb5/0x140 [ 368.897676] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.903205] ? check_preemption_disabled+0x48/0x280 [ 368.908240] run_timer_softirq+0x52/0xb0 [ 368.912306] ? rcu_read_lock_sched_held+0x14f/0x180 [ 368.917313] __do_softirq+0x308/0xb7e [ 368.921117] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 368.925620] ? lock_downgrade+0x900/0x900 [ 368.929764] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 368.934866] ? pvclock_read_flags+0x160/0x160 [ 368.939356] ? lapic_next_event+0x5a/0x90 [ 368.943495] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.949027] ? kvm_clock_read+0x18/0x30 [ 368.952993] ? kvm_sched_clock_read+0x9/0x20 [ 368.957399] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.962933] ? check_preemption_disabled+0x48/0x280 [ 368.967954] irq_exit+0x17f/0x1c0 [ 368.971402] smp_apic_timer_interrupt+0x1cb/0x760 [ 368.976244] ? smp_reschedule_interrupt+0x109/0x650 [ 368.981259] ? smp_call_function_single_interrupt+0x650/0x650 [ 368.987140] ? interrupt_entry+0xb5/0xc0 [ 368.991209] ? trace_hardirqs_off_caller+0xbb/0x310 [ 368.996239] ? trace_hardirqs_off_caller+0xbb/0x310 [ 369.001260] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 369.006097] ? trace_hardirqs_on_caller+0x310/0x310 [ 369.011112] ? trace_hardirqs_on_caller+0x310/0x310 [ 369.016125] ? task_prio+0x50/0x50 [ 369.019660] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.025189] ? check_preemption_disabled+0x48/0x280 [ 369.030221] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 369.035078] apic_timer_interrupt+0xf/0x20 [ 369.039312] [ 369.041543] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 369.046466] Code: 7e 0f 85 cf fe ff ff e8 f6 d7 3f ff e9 c5 fe ff ff e8 4d a2 c3 ff 48 83 3d a5 50 91 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 6a b1 [ 369.065356] RSP: 0000:ffff88019c63f740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 369.073056] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 369.080317] RDX: 0000000000000000 RSI: ffff8801929e68c0 RDI: 0000000000000286 [ 369.087578] RBP: ffff88019c63f7a8 R08: ffff8801929e6040 R09: 0000000000000000 [ 369.094866] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 369.102127] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020 [ 369.109426] skb_clone+0x1bb/0x500 [ 369.112992] ? finish_task_switch+0x2f4/0x910 [ 369.117483] ? skb_split+0x11e0/0x11e0 [ 369.121367] ? preempt_notifier_register+0x200/0x200 [ 369.126462] ? __switch_to_asm+0x34/0x70 [ 369.130522] ? __switch_to_asm+0x34/0x70 [ 369.134575] ? __switch_to_asm+0x40/0x70 [ 369.138650] ? __switch_to_asm+0x34/0x70 [ 369.142702] ? __switch_to_asm+0x40/0x70 [ 369.146768] ? __switch_to_asm+0x34/0x70 [ 369.150823] ? __switch_to_asm+0x40/0x70 [ 369.154876] ? __switch_to_asm+0x34/0x70 [ 369.158943] ? __switch_to_asm+0x34/0x70 [ 369.163001] ? __switch_to_asm+0x40/0x70 [ 369.167078] ? __switch_to_asm+0x34/0x70 [ 369.171135] bpf_clone_redirect+0xb9/0x490 [ 369.175365] ? __schedule+0x8d7/0x21d0 [ 369.179275] bpf_prog_bebbfe2050753572+0x325/0x1000 [ 369.184290] ? __sched_text_start+0x8/0x8 [ 369.188455] ? find_held_lock+0x36/0x1c0 [ 369.192519] ? lock_acquire+0x1ed/0x520 [ 369.196489] ? bpf_test_run+0x3cb/0x780 [ 369.200459] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.205989] ? check_preemption_disabled+0x48/0x280 [ 369.211002] ? kasan_check_read+0x11/0x20 [ 369.215144] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 369.220417] ? rcu_softirq_qs+0x20/0x20 [ 369.224387] ? preempt_schedule+0x4d/0x60 [ 369.228528] ? ___preempt_schedule+0x16/0x18 [ 369.232934] ? bpf_test_run+0x25d/0x780 [ 369.236914] ? netlink_diag_dump+0x2a0/0x2a0 [ 369.241320] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 369.246853] ? bpf_test_init.isra.10+0x70/0x100 [ 369.251523] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 369.256283] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 369.261118] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 369.266646] ? fput+0x130/0x1a0 [ 369.269950] ? __bpf_prog_get+0x9b/0x290 [ 369.274012] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 369.278849] ? bpf_prog_test_run+0x130/0x1a0 [ 369.283276] ? __x64_sys_bpf+0x3d8/0x520 [ 369.287335] ? bpf_prog_get+0x20/0x20 [ 369.291147] ? do_syscall_64+0x1b9/0x820 [ 369.295215] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 369.300582] ? syscall_return_slowpath+0x5e0/0x5e0 [ 369.305507] ? trace_hardirqs_on_caller+0x310/0x310 [ 369.310520] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 369.315536] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 369.322205] ? __switch_to_asm+0x40/0x70 [ 369.326258] ? __switch_to_asm+0x34/0x70 [ 369.330316] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 369.335160] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 369.340538] CPU: 1 PID: 5375 Comm: syz-fuzzer Not tainted 4.19.0+ #72 [ 369.340603] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 369.347107] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 369.347112] Call Trace: [ 369.347117] [ 369.347132] dump_stack+0x244/0x39d [ 369.347150] ? dump_stack_print_info.cold.1+0x20/0x20 [ 369.353687] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 369.362972] warn_alloc.cold.117+0xb7/0x1bd [ 369.365532] syz-executor0 cpuset= [ 369.367668] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 369.371349] syz0 [ 369.376525] ? lock_downgrade+0x900/0x900 [ 369.386992] mems_allowed=0 [ 369.391318] ? trace_hardirqs_off+0xb8/0x310 [ 369.412952] ? trace_hardirqs_off+0xb8/0x310 [ 369.417365] __alloc_pages_slowpath+0x2660/0x2d70 [ 369.422231] ? ndisc_send_skb+0x1005/0x1570 [ 369.426555] ? warn_alloc+0x120/0x120 [ 369.430357] ? oom_kill_process.cold.27+0x10/0x903 [ 369.435278] ? __alloc_pages_slowpath+0x22d4/0x2d70 [ 369.440294] ? warn_alloc+0x120/0x120 [ 369.444090] ? print_usage_bug+0xc0/0xc0 [ 369.448145] ? warn_alloc+0x120/0x120 [ 369.451945] ? print_usage_bug+0xc0/0xc0 [ 369.456002] ? __lock_acquire+0x62f/0x4c20 [ 369.460229] ? __lock_acquire+0x62f/0x4c20 [ 369.464460] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 369.469988] ? should_fail+0x22d/0xd01 [ 369.473882] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 369.478977] ? __lock_acquire+0x62f/0x4c20 [ 369.483561] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 369.488656] ? __lock_acquire+0x62f/0x4c20 [ 369.492883] ? should_fail+0x22d/0xd01 [ 369.496771] ? mark_held_locks+0x130/0x130 [ 369.501002] ? mark_held_locks+0x130/0x130 [ 369.505232] ? ip6_finish_output2+0x1d6b/0x27a0 [ 369.509890] ? __kfree_skb+0x20/0x20 [ 369.513822] ? lockdep_hardirqs_on+0x296/0x5b0 [ 369.518400] ? zap_class+0x640/0x640 [ 369.522108] ? print_usage_bug+0xc0/0xc0 [ 369.526167] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.531709] ? check_preemption_disabled+0x48/0x280 [ 369.536735] ? __lock_is_held+0xb5/0x140 [ 369.540808] __alloc_pages_nodemask+0xa80/0xde0 [ 369.545471] ? zap_class+0x640/0x640 [ 369.549188] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 369.554210] ? find_held_lock+0x36/0x1c0 [ 369.558285] ? ____cache_alloc_node+0x1c7/0x1e0 [ 369.563244] ? lock_downgrade+0x900/0x900 [ 369.567402] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.572937] cache_grow_begin+0xa5/0x8c0 [ 369.576990] ? do_raw_spin_unlock+0xa7/0x330 [ 369.581403] fallback_alloc+0x204/0x2e0 [ 369.585380] ____cache_alloc_node+0x1c7/0x1e0 [ 369.589874] kmem_cache_alloc_node+0xe3/0x730 [ 369.594366] ? ipv6_get_ifaddr+0x42e/0x620 [ 369.598605] __alloc_skb+0x119/0x770 [ 369.602319] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 369.607594] ? netdev_alloc_frag+0x1f0/0x1f0 [ 369.611999] ? lock_downgrade+0x900/0x900 [ 369.616148] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.621694] ? refcount_sub_and_test_checked+0x203/0x310 [ 369.627143] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 369.632599] ? addrconf_rs_timer+0x690/0x690 [ 369.637015] ndisc_alloc_skb+0x144/0x340 [ 369.641073] ndisc_send_rs+0x331/0x6e0 [ 369.644961] addrconf_rs_timer+0x314/0x690 [ 369.649200] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.653440] call_timer_fn+0x272/0x920 [ 369.657330] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.661563] ? process_timeout+0x40/0x40 [ 369.665626] ? mark_held_locks+0xc7/0x130 [ 369.669774] ? _raw_spin_unlock_irq+0x27/0x80 [ 369.674265] ? _raw_spin_unlock_irq+0x27/0x80 [ 369.678755] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.683479] ? lockdep_hardirqs_on+0x296/0x5b0 [ 369.688058] ? trace_hardirqs_on+0xbd/0x310 [ 369.692371] ? kasan_check_read+0x11/0x20 [ 369.696515] ? __run_timers+0x7da/0xc70 [ 369.700486] ? trace_hardirqs_off_caller+0x310/0x310 [ 369.705602] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.709838] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.714067] __run_timers+0x7e5/0xc70 [ 369.717864] ? rcu_irq_exit+0x1a2/0x390 [ 369.721841] ? timer_fixup_init+0x70/0x70 [ 369.725984] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.731516] ? check_preemption_disabled+0x48/0x280 [ 369.736534] ? mark_held_locks+0xc7/0x130 [ 369.740678] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 369.745696] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 369.750462] ? retint_kernel+0x2d/0x2d [ 369.754341] ? trace_hardirqs_on_caller+0xc0/0x310 [ 369.759268] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 369.764019] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 369.769466] ? zap_class+0x640/0x640 [ 369.773184] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.778714] ? check_preemption_disabled+0x48/0x280 [ 369.783735] ? __lock_is_held+0xb5/0x140 [ 369.787788] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.793318] ? check_preemption_disabled+0x48/0x280 [ 369.798334] run_timer_softirq+0x52/0xb0 [ 369.802386] ? rcu_read_lock_sched_held+0x14f/0x180 [ 369.807395] __do_softirq+0x308/0xb7e [ 369.811195] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 369.815706] ? lock_downgrade+0x900/0x900 [ 369.819847] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 369.824970] ? pvclock_read_flags+0x160/0x160 [ 369.829461] ? lapic_next_event+0x5a/0x90 [ 369.833603] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.839142] ? kvm_clock_read+0x18/0x30 [ 369.843116] ? kvm_sched_clock_read+0x9/0x20 [ 369.847520] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.853050] ? check_preemption_disabled+0x48/0x280 [ 369.858069] irq_exit+0x17f/0x1c0 [ 369.861516] smp_apic_timer_interrupt+0x1cb/0x760 [ 369.866350] ? smp_reschedule_interrupt+0x109/0x650 [ 369.871361] ? smp_call_function_single_interrupt+0x650/0x650 [ 369.877236] ? interrupt_entry+0xb5/0xc0 [ 369.881289] ? trace_hardirqs_off_caller+0xbb/0x310 [ 369.886301] ? trace_hardirqs_off_caller+0xbb/0x310 [ 369.891311] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 369.896155] ? trace_hardirqs_on_caller+0x310/0x310 [ 369.901168] ? trace_hardirqs_on_caller+0x310/0x310 [ 369.906177] ? task_prio+0x50/0x50 [ 369.909729] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 369.915259] ? check_preemption_disabled+0x48/0x280 [ 369.920272] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 369.925117] apic_timer_interrupt+0xf/0x20 [ 369.929369] [ 369.931602] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 369.936789] Code: 00 e8 95 31 8e f9 e8 90 e2 bd f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d ea 90 8b 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d c0 90 [ 369.955679] RSP: 0000:ffff8801c4c0e140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 369.963387] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003afce19e [ 369.970651] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d7e70c7c [ 369.977911] RBP: ffff8801c4c0e168 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 369.985171] R10: 0000000000000000 R11: ffff8801d7e70400 R12: dffffc0000000000 [ 369.992434] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478 [ 369.999720] retint_kernel+0x1b/0x2d [ 370.003432] RIP: 0010:dump_stack+0x358/0x39d [ 370.007833] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 91 c1 00 fa 48 83 3d 99 b9 91 01 00 0f 84 63 fe ff ff e8 ee e6 bd f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db e6 bd f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 370.026738] RSP: 0000:ffff8801c4c0e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 370.034442] RAX: ffff8801d7e70400 RBX: 1ffffffff12a3e8e RCX: 1ffff1003afce19e [ 370.041719] RDX: 0000000000000000 RSI: ffffffff87c03ae2 RDI: 0000000000000293 [ 370.048990] RBP: ffff8801c4c0e2c8 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 370.056253] R10: 0000000000000000 R11: ffff8801d7e70400 R12: 1ffff10038981c4c [ 370.063511] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 370.070786] ? dump_stack+0x34f/0x39d [ 370.074589] ? dump_stack_print_info.cold.1+0x20/0x20 [ 370.079783] dump_header+0x27b/0xf72 [ 370.083496] ? mark_held_locks+0x130/0x130 [ 370.087730] ? pagefault_out_of_memory+0x197/0x197 [ 370.092692] ? __lock_acquire+0x62f/0x4c20 [ 370.096931] ? zap_class+0x640/0x640 [ 370.100647] ? percpu_ref_get_many+0x240/0x240 [ 370.105224] ? print_usage_bug+0xc0/0xc0 [ 370.109277] ? print_usage_bug+0xc0/0xc0 [ 370.113354] ? zap_class+0x640/0x640 [ 370.117065] ? print_usage_bug+0xc0/0xc0 [ 370.121121] ? print_usage_bug+0xc0/0xc0 [ 370.125190] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.130725] ? find_held_lock+0x36/0x1c0 [ 370.134804] ? mark_held_locks+0xc7/0x130 [ 370.138967] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 370.144085] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 370.149181] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 370.153758] ? trace_hardirqs_on+0xbd/0x310 [ 370.158078] ? kasan_check_read+0x11/0x20 [ 370.162219] ? ___ratelimit+0x3b4/0x672 [ 370.166189] ? trace_hardirqs_off_caller+0x310/0x310 [ 370.171288] ? trace_hardirqs_on+0x310/0x310 [ 370.175723] ? lock_downgrade+0x900/0x900 [ 370.179874] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 370.184973] ? ___ratelimit+0x3b9/0x672 [ 370.188942] ? idr_get_free+0xec0/0xec0 [ 370.192908] ? find_held_lock+0x36/0x1c0 [ 370.196974] oom_kill_process.cold.27+0x10/0x903 [ 370.201726] ? zap_class+0x640/0x640 [ 370.205433] ? check_preemption_disabled+0x48/0x280 [ 370.210453] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 370.215373] ? kasan_check_read+0x11/0x20 [ 370.219513] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 370.224785] ? oom_evaluate_task+0x540/0x540 [ 370.229189] ? find_held_lock+0x36/0x1c0 [ 370.233263] ? out_of_memory+0x974/0x1430 [ 370.237416] ? lock_downgrade+0x900/0x900 [ 370.241557] ? check_preemption_disabled+0x48/0x280 [ 370.246575] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 370.251501] ? kasan_check_read+0x11/0x20 [ 370.255649] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 370.260923] ? rcu_softirq_qs+0x20/0x20 [ 370.264896] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 370.270429] ? oom_evaluate_task+0x302/0x540 [ 370.274835] out_of_memory+0xa84/0x1430 [ 370.278812] ? oom_killer_disable+0x3a0/0x3a0 [ 370.283298] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 370.288226] ? __mutex_add_waiter+0x2a0/0x2a0 [ 370.292855] __alloc_pages_slowpath+0x22d4/0x2d70 [ 370.297720] ? warn_alloc+0x120/0x120 [ 370.301515] ? rcu_softirq_qs+0x20/0x20 [ 370.305520] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 370.311048] ? should_fail+0x22d/0xd01 [ 370.314945] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 370.320043] ? zap_class+0x640/0x640 [ 370.323788] ? __lock_is_held+0xb5/0x140 [ 370.327849] ? mark_held_locks+0x130/0x130 [ 370.332074] ? lock_release+0xa00/0xa00 [ 370.336040] ? perf_trace_sched_process_exec+0x860/0x860 [ 370.341506] ? __might_sleep+0x95/0x190 [ 370.345480] __alloc_pages_nodemask+0xa80/0xde0 [ 370.350151] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 370.355162] ? __page_cache_alloc+0x191/0x5c0 [ 370.359653] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 370.364579] ? kasan_check_read+0x11/0x20 [ 370.368722] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 370.373995] ? zap_class+0x640/0x640 [ 370.377710] ? zap_class+0x640/0x640 [ 370.381431] ? zap_class+0x640/0x640 [ 370.385145] ? __do_page_cache_readahead+0x7ce/0x980 [ 370.390246] ? find_held_lock+0x36/0x1c0 [ 370.394305] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 370.399842] alloc_pages_current+0x173/0x350 [ 370.404248] __page_cache_alloc+0x38c/0x5c0 [ 370.408565] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 370.413486] ? kasan_check_read+0x11/0x20 [ 370.417630] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 370.422901] ? generic_perform_write+0x6a0/0x6a0 [ 370.427654] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 370.433191] ? check_preemption_disabled+0x48/0x280 [ 370.438212] filemap_fault+0x1594/0x25f0 [ 370.442279] ? __lock_page_or_retry+0xa00/0xa00 [ 370.446944] ? mark_held_locks+0x130/0x130 [ 370.451173] ? rcu_softirq_qs+0x20/0x20 [ 370.455155] ? filemap_map_pages+0xe04/0x1990 [ 370.459656] ? __free_object+0x173/0x340 [ 370.463716] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 370.468641] ? trace_hardirqs_off_caller+0x310/0x310 [ 370.473738] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 370.478417] ? debug_object_free+0x32d/0x690 [ 370.482818] ? kasan_check_read+0x11/0x20 [ 370.486961] ? debug_object_destroy+0x2b0/0x2b0 [ 370.491644] ? lock_pi_update_atomic+0x150/0x150 [ 370.496393] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.501925] ? __hrtimer_init+0xdb/0x240 [ 370.505992] ? lock_acquire+0x1ed/0x520 [ 370.509960] ? ext4_filemap_fault+0x7a/0xad [ 370.514278] ? lock_release+0xa00/0xa00 [ 370.518259] ? perf_trace_sched_process_exec+0x860/0x860 [ 370.523717] ? print_usage_bug+0xc0/0xc0 [ 370.527777] ? print_usage_bug+0xc0/0xc0 [ 370.531841] ? down_read+0x8d/0x120 [ 370.535462] ? ext4_filemap_fault+0x7a/0xad [ 370.539777] ? __down_interruptible+0x700/0x700 [ 370.544447] ext4_filemap_fault+0x82/0xad [ 370.548587] __do_fault+0x100/0x6b0 [ 370.552212] ? pmd_devmap_trans_unstable+0x220/0x220 [ 370.557322] ? mark_held_locks+0x130/0x130 [ 370.561550] ? mark_held_locks+0x130/0x130 [ 370.565777] ? debug_smp_processor_id+0x1c/0x20 [ 370.570438] ? perf_trace_lock+0x14d/0x7a0 [ 370.574671] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 370.580204] __handle_mm_fault+0x307c/0x5920 [ 370.584615] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 370.589449] ? lock_is_held_type+0x210/0x210 [ 370.593869] ? zap_class+0x640/0x640 [ 370.597578] ? zap_class+0x640/0x640 [ 370.601291] ? __x64_sys_futex+0x53e/0x6a0 [ 370.605543] ? find_held_lock+0x36/0x1c0 [ 370.609612] ? handle_mm_fault+0x42a/0xc70 [ 370.613840] ? lock_downgrade+0x900/0x900 [ 370.617979] ? check_preemption_disabled+0x48/0x280 [ 370.623000] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 370.627934] ? kasan_check_read+0x11/0x20 [ 370.632078] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 370.637361] ? rcu_softirq_qs+0x20/0x20 [ 370.641346] ? trace_hardirqs_off_caller+0x310/0x310 [ 370.646445] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 370.651972] ? check_preemption_disabled+0x48/0x280 [ 370.657003] handle_mm_fault+0x54f/0xc70 [ 370.661062] ? __handle_mm_fault+0x5920/0x5920 [ 370.665649] ? find_vma+0x34/0x190 [ 370.669189] __do_page_fault+0x5e8/0xe60 [ 370.673242] ? trace_hardirqs_off+0xb8/0x310 [ 370.677645] ? __ia32_sys_read+0xb0/0xb0 [ 370.681712] do_page_fault+0xf2/0x7e0 [ 370.685508] ? vmalloc_sync_all+0x30/0x30 [ 370.689651] ? error_entry+0x70/0xd0 [ 370.693356] ? trace_hardirqs_off_caller+0xbb/0x310 [ 370.698366] ? trace_hardirqs_on_caller+0xc0/0x310 [ 370.703320] ? syscall_return_slowpath+0x5e0/0x5e0 [ 370.708244] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 370.713089] ? trace_hardirqs_on_caller+0x310/0x310 [ 370.718100] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 370.723546] ? prepare_exit_to_usermode+0x291/0x3b0 [ 370.728560] ? page_fault+0x8/0x30 [ 370.732106] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 370.736941] ? page_fault+0x8/0x30 [ 370.740475] page_fault+0x1e/0x30 [ 370.743920] RIP: 0033:0x45ddf3 [ 370.747120] Code: Bad RIP value. [ 370.750472] RSP: 002b:000000c4200206a0 EFLAGS: 00010206 [ 370.755823] RAX: ffffffffffffff92 RBX: 000000003b974269 RCX: 000000000045ddf3 [ 370.763087] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e1060 [ 370.770349] RBP: 000000c4200206e8 R08: 0000000000000000 R09: 0000000000000000 [ 370.777626] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001 [ 370.784900] R13: 0000000000000007 R14: 0000000000b7f720 R15: 000000000000bdf9 [ 370.792185] CPU: 0 PID: 17787 Comm: syz-executor0 Not tainted 4.19.0+ #72 [ 370.792189] warn_alloc_show_mem: 1 callbacks suppressed [ 370.792195] Mem-Info: [ 370.799111] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 370.799117] Call Trace: [ 370.804478] active_anon:46452 inactive_anon:2315 isolated_anon:0 [ 370.804478] active_file:13 inactive_file:13 isolated_file:0 [ 370.804478] unevictable:0 dirty:0 writeback:0 unstable:0 [ 370.804478] slab_reclaimable:9341 slab_unreclaimable:1470635 [ 370.804478] mapped:24578 shmem:7010 pagetables:528 bounce:0 [ 370.804478] free:13753 free_pcp:603 free_cma:0 [ 370.806847] [ 370.816199] Node 0 active_anon:185808kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:28040kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 370.818769] dump_stack+0x244/0x39d [ 370.851806] Node 0 [ 370.853952] ? dump_stack_print_info.cold.1+0x20/0x20 [ 370.881525] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 370.885129] warn_alloc.cold.117+0xb7/0x1bd [ 370.887334] lowmem_reserve[]: 0 [ 370.892531] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 370.917999] 2818 [ 370.922308] ? lock_downgrade+0x900/0x900 [ 370.925558] 6321 [ 370.930388] ? trace_hardirqs_off+0xb8/0x310 [ 370.932412] 6321 [ 370.936568] ? trace_hardirqs_off+0xb8/0x310 [ 370.938605] Node 0 [ 370.943001] __alloc_pages_slowpath+0x2660/0x2d70 [ 370.945056] DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 370.949448] ? warn_alloc+0x120/0x120 [ 370.951637] lowmem_reserve[]: [ 370.956468] ? warn_alloc+0x120/0x120 [ 370.983406] 0 0 [ 370.987200] ? print_usage_bug+0xc0/0xc0 [ 370.990270] 3503 3503 [ 370.994070] ? warn_alloc+0x120/0x120 [ 370.996014] Node 0 [ 371.000072] ? print_usage_bug+0xc0/0xc0 [ 371.002558] Normal free:13924kB min:37364kB low:46704kB high:56044kB active_anon:183760kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5536kB pagetables:2112kB bounce:0kB free_pcp:2164kB local_pcp:1336kB free_cma:0kB [ 371.006324] ? __lock_acquire+0x62f/0x4c20 [ 371.008528] lowmem_reserve[]: 0 [ 371.012576] ? __lock_acquire+0x62f/0x4c20 [ 371.012593] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 371.041227] 0 0 [ 371.045455] ? should_fail+0x22d/0xd01 [ 371.048705] 0 [ 371.052924] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 371.058429] Node 0 [ 371.060395] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 371.064246] DMA: 1*4kB [ 371.066043] ? __lock_acquire+0x62f/0x4c20 [ 371.071293] (U) [ 371.073516] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 371.078582] 0*8kB 0*16kB [ 371.081155] ? __lock_acquire+0x62f/0x4c20 [ 371.081168] ? should_fail+0x22d/0xd01 [ 371.085372] 1*32kB (U) [ 371.087340] ? rcu_irq_exit+0x1a2/0x390 [ 371.092406] 2*64kB (U) [ 371.095161] ? mark_held_locks+0x130/0x130 [ 371.099358] 1*128kB (U) [ 371.103240] ? mark_held_locks+0x130/0x130 [ 371.105797] 1*256kB [ 371.109770] ? mark_held_locks+0xc7/0x130 [ 371.112329] (U) [ 371.116570] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 371.119210] 0*512kB 1*1024kB [ 371.123435] ? zap_class+0x640/0x640 [ 371.125728] (U) [ 371.129859] ? print_usage_bug+0xc0/0xc0 [ 371.131804] 1*2048kB (M) [ 371.136809] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.139880] 3*4096kB (M) [ 371.143587] ? check_preemption_disabled+0x48/0x280 [ 371.145541] = 15908kB [ 371.149593] ? __lock_is_held+0xb5/0x140 [ 371.152319] Node 0 [ 371.157857] __alloc_pages_nodemask+0xa80/0xde0 [ 371.160579] DMA32: 5*4kB [ 371.165586] ? zap_class+0x640/0x640 [ 371.167986] (UM) [ 371.172031] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 371.174245] 1*8kB (H) [ 371.178913] ? find_held_lock+0x36/0x1c0 [ 371.181634] 2*16kB (M) [ 371.185364] ? ____cache_alloc_node+0x1c7/0x1e0 [ 371.187390] 3*32kB (M) [ 371.192400] ? lock_downgrade+0x900/0x900 [ 371.194864] 3*64kB (MH) [ 371.198923] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.201473] 4*128kB (M) [ 371.206142] cache_grow_begin+0xa5/0x8c0 [ 371.208691] 5*256kB (UMH) [ 371.212828] ? do_raw_spin_unlock+0xa7/0x330 [ 371.215464] 5*512kB (UMH) [ 371.220995] fallback_alloc+0x204/0x2e0 [ 371.223628] 4*1024kB (UMH) [ 371.227690] ____cache_alloc_node+0x1c7/0x1e0 [ 371.230497] 2*2048kB (UM) [ 371.234898] kmem_cache_alloc_node+0xe3/0x730 [ 371.237713] 3*4096kB [ 371.241673] ? ipv6_get_ifaddr+0x42e/0x620 [ 371.244597] (M) [ 371.249084] __alloc_skb+0x119/0x770 [ 371.251889] = 25180kB [ 371.251895] Node 0 [ 371.256377] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 371.258750] Normal: 1917*4kB [ 371.262976] ? netdev_alloc_frag+0x1f0/0x1f0 [ 371.264921] (UME) [ 371.268617] ? lock_downgrade+0x900/0x900 [ 371.270993] 392*8kB (UME) [ 371.273236] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.278487] 105*16kB [ 371.281578] ? refcount_sub_and_test_checked+0x203/0x310 [ 371.285955] (UME) [ 371.288098] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 371.292211] 43*32kB (UM) [ 371.295057] ? addrconf_rs_timer+0x690/0x690 [ 371.300564] 1*64kB [ 371.302970] ndisc_alloc_skb+0x144/0x340 [ 371.308379] (U) 0*128kB [ 371.310526] ndisc_send_rs+0x331/0x6e0 [ 371.315945] 0*256kB 0*512kB [ 371.318701] addrconf_rs_timer+0x314/0x690 [ 371.323079] 0*1024kB [ 371.325299] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.329323] 0*2048kB 0*4096kB [ 371.331997] call_timer_fn+0x272/0x920 [ 371.335859] = 13924kB [ 371.338862] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.343071] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 371.345463] ? process_timeout+0x40/0x40 [ 371.349677] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 371.352855] ? __run_timers+0x7da/0xc70 [ 371.356708] 7036 total pagecache pages [ 371.359105] ? _raw_spin_unlock_irq+0x27/0x80 [ 371.363317] 0 pages in swap cache [ 371.372128] ? _raw_spin_unlock_irq+0x27/0x80 [ 371.376161] Swap cache stats: add 0, delete 0, find 0/0 [ 371.384717] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.388668] Free swap = 0kB [ 371.392559] ? lockdep_hardirqs_on+0x296/0x5b0 [ 371.397030] Total swap = 0kB [ 371.400473] ? trace_hardirqs_on+0xbd/0x310 [ 371.404940] 1965979 pages RAM [ 371.410291] ? kasan_check_read+0x11/0x20 [ 371.414493] 0 pages HighMem/MovableOnly [ 371.417530] ? __run_timers+0x7da/0xc70 [ 371.422095] 342867 pages reserved [ 371.425103] ? trace_hardirqs_off_caller+0x310/0x310 [ 371.429396] 0 pages cma reserved [ 371.432487] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.436664] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 371.440568] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.444786] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 371.447975] __run_timers+0x7e5/0xc70 [ 371.453047] syz-fuzzer cpuset= [ 371.456403] ? timer_fixup_init+0x70/0x70 [ 371.460601] / [ 371.467101] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 371.471305] mems_allowed=0 [ 371.481510] ? zap_class+0x640/0x640 [ 371.505893] ? enqueue_hrtimer+0x1a5/0x560 [ 371.510121] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 371.515839] ? find_held_lock+0x36/0x1c0 [ 371.519896] ? zap_class+0x640/0x640 [ 371.523609] ? pvclock_read_flags+0x160/0x160 [ 371.528123] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.533666] ? check_preemption_disabled+0x48/0x280 [ 371.538685] ? __lock_is_held+0xb5/0x140 [ 371.542740] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.548272] ? check_preemption_disabled+0x48/0x280 [ 371.553285] run_timer_softirq+0x52/0xb0 [ 371.557339] ? rcu_read_lock_sched_held+0x14f/0x180 [ 371.562348] __do_softirq+0x308/0xb7e [ 371.566146] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 371.570632] ? lock_downgrade+0x900/0x900 [ 371.574775] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 371.579881] ? pvclock_read_flags+0x160/0x160 [ 371.584375] ? lapic_next_event+0x5a/0x90 [ 371.588521] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.594187] ? kvm_clock_read+0x18/0x30 [ 371.598153] ? kvm_sched_clock_read+0x9/0x20 [ 371.602557] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.608088] ? check_preemption_disabled+0x48/0x280 [ 371.613107] irq_exit+0x17f/0x1c0 [ 371.616574] smp_apic_timer_interrupt+0x1cb/0x760 [ 371.621409] ? smp_reschedule_interrupt+0x109/0x650 [ 371.626417] ? smp_call_function_single_interrupt+0x650/0x650 [ 371.632300] ? interrupt_entry+0xb5/0xc0 [ 371.636359] ? trace_hardirqs_off_caller+0xbb/0x310 [ 371.641365] ? trace_hardirqs_off_caller+0xbb/0x310 [ 371.646374] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 371.651208] ? trace_hardirqs_on_caller+0x310/0x310 [ 371.656216] ? trace_hardirqs_on_caller+0x310/0x310 [ 371.661232] ? task_prio+0x50/0x50 [ 371.664771] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.670301] ? check_preemption_disabled+0x48/0x280 [ 371.675316] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 371.680432] apic_timer_interrupt+0xf/0x20 [ 371.684652] [ 371.686882] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 371.691809] Code: 7e 0f 85 cf fe ff ff e8 f6 d7 3f ff e9 c5 fe ff ff e8 4d a2 c3 ff 48 83 3d a5 50 91 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 6a b1 [ 371.710701] RSP: 0000:ffff88019c63f740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 371.718421] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 371.725691] RDX: 0000000000000000 RSI: ffff8801929e68c0 RDI: 0000000000000286 [ 371.732952] RBP: ffff88019c63f7a8 R08: ffff8801929e6040 R09: 0000000000000000 [ 371.740211] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 371.747488] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020 [ 371.754780] skb_clone+0x1bb/0x500 [ 371.758314] ? finish_task_switch+0x2f4/0x910 [ 371.762806] ? skb_split+0x11e0/0x11e0 [ 371.766686] ? preempt_notifier_register+0x200/0x200 [ 371.771780] ? __switch_to_asm+0x34/0x70 [ 371.775849] ? __switch_to_asm+0x34/0x70 [ 371.779917] ? __switch_to_asm+0x40/0x70 [ 371.783966] ? __switch_to_asm+0x34/0x70 [ 371.788030] ? __switch_to_asm+0x40/0x70 [ 371.792082] ? __switch_to_asm+0x34/0x70 [ 371.796150] ? __switch_to_asm+0x40/0x70 [ 371.800213] ? __switch_to_asm+0x34/0x70 [ 371.804265] ? __switch_to_asm+0x34/0x70 [ 371.808319] ? __switch_to_asm+0x40/0x70 [ 371.812375] ? __switch_to_asm+0x34/0x70 [ 371.816434] bpf_clone_redirect+0xb9/0x490 [ 371.820662] ? __schedule+0x8d7/0x21d0 [ 371.824547] bpf_prog_bebbfe2050753572+0x325/0x1000 [ 371.829556] ? __sched_text_start+0x8/0x8 [ 371.833727] ? find_held_lock+0x36/0x1c0 [ 371.837788] ? lock_acquire+0x1ed/0x520 [ 371.841759] ? bpf_test_run+0x3cb/0x780 [ 371.845743] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.851275] ? check_preemption_disabled+0x48/0x280 [ 371.856294] ? kasan_check_read+0x11/0x20 [ 371.860440] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 371.865720] ? rcu_softirq_qs+0x20/0x20 [ 371.869687] ? preempt_schedule+0x4d/0x60 [ 371.873829] ? ___preempt_schedule+0x16/0x18 [ 371.878236] ? bpf_test_run+0x25d/0x780 [ 371.882213] ? netlink_diag_dump+0x2a0/0x2a0 [ 371.886617] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 371.892163] ? bpf_test_init.isra.10+0x70/0x100 [ 371.896833] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 371.901595] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 371.906432] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 371.911963] ? fput+0x130/0x1a0 [ 371.915423] ? __bpf_prog_get+0x9b/0x290 [ 371.919478] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 371.924313] ? bpf_prog_test_run+0x130/0x1a0 [ 371.928718] ? __x64_sys_bpf+0x3d8/0x520 [ 371.932770] ? bpf_prog_get+0x20/0x20 [ 371.936580] ? do_syscall_64+0x1b9/0x820 [ 371.940639] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 371.946017] ? syscall_return_slowpath+0x5e0/0x5e0 [ 371.950942] ? trace_hardirqs_on_caller+0x310/0x310 [ 371.955953] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 371.961004] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 371.967682] ? __switch_to_asm+0x40/0x70 [ 371.971740] ? __switch_to_asm+0x34/0x70 [ 371.975828] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 371.980676] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 371.986049] CPU: 1 PID: 5375 Comm: syz-fuzzer Not tainted 4.19.0+ #72 [ 371.986118] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 371.992624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 371.992629] Call Trace: [ 371.992634] [ 371.992649] dump_stack+0x244/0x39d [ 371.992666] ? dump_stack_print_info.cold.1+0x20/0x20 [ 371.999198] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 372.008476] warn_alloc.cold.117+0xb7/0x1bd [ 372.011026] syz-executor0 cpuset= [ 372.013165] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 372.016758] syz0 [ 372.021931] ? lock_downgrade+0x900/0x900 [ 372.032386] mems_allowed=0 [ 372.036698] ? trace_hardirqs_off+0xb8/0x310 [ 372.058364] ? trace_hardirqs_off+0xb8/0x310 [ 372.062778] __alloc_pages_slowpath+0x2660/0x2d70 [ 372.067637] ? warn_alloc+0x120/0x120 [ 372.071438] ? find_held_lock+0x36/0x1c0 [ 372.075497] ? warn_alloc+0x120/0x120 [ 372.079297] ? print_usage_bug+0xc0/0xc0 [ 372.083354] ? warn_alloc+0x120/0x120 [ 372.087151] ? print_usage_bug+0xc0/0xc0 [ 372.091204] ? check_preemption_disabled+0x48/0x280 [ 372.096220] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 372.101141] ? kasan_check_read+0x11/0x20 [ 372.105285] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 372.110815] ? should_fail+0x22d/0xd01 [ 372.114698] ? rcu_softirq_qs+0x20/0x20 [ 372.118681] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 372.123777] ? __lock_acquire+0x62f/0x4c20 [ 372.128010] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 372.133109] ? __lock_acquire+0x62f/0x4c20 [ 372.137343] ? should_fail+0x22d/0xd01 [ 372.141236] ? mark_held_locks+0x130/0x130 [ 372.145469] ? mark_held_locks+0x130/0x130 [ 372.149705] ? account_entity_enqueue+0x3a3/0x660 [ 372.154544] ? zap_class+0x640/0x640 [ 372.158253] ? print_usage_bug+0xc0/0xc0 [ 372.162310] ? rcu_softirq_qs+0x20/0x20 [ 372.166282] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.171813] ? check_preemption_disabled+0x48/0x280 [ 372.176830] ? __lock_is_held+0xb5/0x140 [ 372.180894] __alloc_pages_nodemask+0xa80/0xde0 [ 372.185571] ? zap_class+0x640/0x640 [ 372.189283] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 372.194304] ? find_held_lock+0x36/0x1c0 [ 372.198367] ? ____cache_alloc_node+0x1c7/0x1e0 [ 372.203030] ? lock_downgrade+0x900/0x900 [ 372.207176] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.212712] cache_grow_begin+0xa5/0x8c0 [ 372.216764] ? do_raw_spin_unlock+0xa7/0x330 [ 372.221180] fallback_alloc+0x204/0x2e0 [ 372.225183] ____cache_alloc_node+0x1c7/0x1e0 [ 372.229675] kmem_cache_alloc_node+0xe3/0x730 [ 372.234165] ? ipv6_get_ifaddr+0x42e/0x620 [ 372.238401] __alloc_skb+0x119/0x770 [ 372.242107] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 372.247381] ? netdev_alloc_frag+0x1f0/0x1f0 [ 372.251783] ? lock_downgrade+0x900/0x900 [ 372.255946] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.261499] ? refcount_sub_and_test_checked+0x203/0x310 [ 372.267037] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 372.272486] ? addrconf_rs_timer+0x690/0x690 [ 372.276901] ndisc_alloc_skb+0x144/0x340 [ 372.280974] ndisc_send_rs+0x331/0x6e0 [ 372.284860] addrconf_rs_timer+0x314/0x690 [ 372.289093] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 372.293332] call_timer_fn+0x272/0x920 [ 372.297210] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 372.301466] ? process_timeout+0x40/0x40 [ 372.305526] ? mark_held_locks+0xc7/0x130 [ 372.309688] ? _raw_spin_unlock_irq+0x27/0x80 [ 372.314178] ? _raw_spin_unlock_irq+0x27/0x80 [ 372.318665] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 372.322893] ? lockdep_hardirqs_on+0x296/0x5b0 [ 372.327482] ? trace_hardirqs_on+0xbd/0x310 [ 372.331792] ? kasan_check_read+0x11/0x20 [ 372.335937] ? __run_timers+0x7da/0xc70 [ 372.339909] ? trace_hardirqs_off_caller+0x310/0x310 [ 372.345016] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 372.349241] __run_timers+0x7e5/0xc70 [ 372.353039] ? rcu_irq_exit+0x1a2/0x390 [ 372.357022] ? timer_fixup_init+0x70/0x70 [ 372.361163] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.366699] ? check_preemption_disabled+0x48/0x280 [ 372.371733] ? mark_held_locks+0xc7/0x130 [ 372.375873] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 372.380896] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 372.385648] ? retint_kernel+0x2d/0x2d [ 372.389529] ? trace_hardirqs_on_caller+0xc0/0x310 [ 372.394462] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 372.399226] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 372.404671] ? zap_class+0x640/0x640 [ 372.408401] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.413931] ? check_preemption_disabled+0x48/0x280 [ 372.418961] ? __lock_is_held+0xb5/0x140 [ 372.423018] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.428546] ? check_preemption_disabled+0x48/0x280 [ 372.433556] run_timer_softirq+0x52/0xb0 [ 372.437626] ? rcu_read_lock_sched_held+0x14f/0x180 [ 372.442636] __do_softirq+0x308/0xb7e [ 372.446432] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 372.450953] ? lock_downgrade+0x900/0x900 [ 372.455103] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 372.460205] ? pvclock_read_flags+0x160/0x160 [ 372.464696] ? lapic_next_event+0x5a/0x90 [ 372.468840] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.474372] ? kvm_clock_read+0x18/0x30 [ 372.478341] ? kvm_sched_clock_read+0x9/0x20 [ 372.482747] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.488278] ? check_preemption_disabled+0x48/0x280 [ 372.493299] irq_exit+0x17f/0x1c0 [ 372.496745] smp_apic_timer_interrupt+0x1cb/0x760 [ 372.501596] ? smp_reschedule_interrupt+0x109/0x650 [ 372.506606] ? smp_call_function_single_interrupt+0x650/0x650 [ 372.512499] ? interrupt_entry+0xb5/0xc0 [ 372.516558] ? trace_hardirqs_off_caller+0xbb/0x310 [ 372.521584] ? trace_hardirqs_off_caller+0xbb/0x310 [ 372.526594] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 372.531430] ? trace_hardirqs_on_caller+0x310/0x310 [ 372.536459] ? trace_hardirqs_on_caller+0x310/0x310 [ 372.541472] ? task_prio+0x50/0x50 [ 372.545010] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 372.550557] ? check_preemption_disabled+0x48/0x280 [ 372.555574] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 372.560417] apic_timer_interrupt+0xf/0x20 [ 372.564646] [ 372.566879] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 372.572077] Code: 00 e8 95 31 8e f9 e8 90 e2 bd f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d ea 90 8b 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d c0 90 [ 372.590977] RSP: 0000:ffff8801c4c0e140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 372.598680] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003afce19e [ 372.605957] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d7e70c7c [ 372.613227] RBP: ffff8801c4c0e168 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 372.620488] R10: 0000000000000000 R11: ffff8801d7e70400 R12: dffffc0000000000 [ 372.627750] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478 [ 372.635038] retint_kernel+0x1b/0x2d [ 372.638744] RIP: 0010:dump_stack+0x358/0x39d [ 372.643145] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 91 c1 00 fa 48 83 3d 99 b9 91 01 00 0f 84 63 fe ff ff e8 ee e6 bd f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db e6 bd f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 372.662036] RSP: 0000:ffff8801c4c0e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 372.669739] RAX: ffff8801d7e70400 RBX: 1ffffffff12a3e8e RCX: 1ffff1003afce19e [ 372.677000] RDX: 0000000000000000 RSI: ffffffff87c03ae2 RDI: 0000000000000293 [ 372.684262] RBP: ffff8801c4c0e2c8 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 372.691521] R10: 0000000000000000 R11: ffff8801d7e70400 R12: 1ffff10038981c4c [ 372.698784] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 372.706059] ? dump_stack+0x34f/0x39d [ 372.709863] ? dump_stack_print_info.cold.1+0x20/0x20 [ 372.715054] dump_header+0x27b/0xf72 [ 372.718768] ? mark_held_locks+0x130/0x130 [ 372.722998] ? pagefault_out_of_memory+0x197/0x197 [ 372.727933] ? __lock_acquire+0x62f/0x4c20 [ 372.732160] ? zap_class+0x640/0x640 [ 372.735870] ? percpu_ref_get_many+0x240/0x240 [ 372.740450] ? print_usage_bug+0xc0/0xc0 [ 372.744510] ? print_usage_bug+0xc0/0xc0 [ 372.748571] ? zap_class+0x640/0x640 [ 372.752278] ? print_usage_bug+0xc0/0xc0 [ 372.756333] ? print_usage_bug+0xc0/0xc0 [ 372.760396] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.765938] ? find_held_lock+0x36/0x1c0 [ 372.770002] ? mark_held_locks+0xc7/0x130 [ 372.774150] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 372.779251] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 372.784350] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 372.788932] ? trace_hardirqs_on+0xbd/0x310 [ 372.793249] ? kasan_check_read+0x11/0x20 [ 372.797388] ? ___ratelimit+0x3b4/0x672 [ 372.801356] ? trace_hardirqs_off_caller+0x310/0x310 [ 372.806470] ? trace_hardirqs_on+0x310/0x310 [ 372.810872] ? lock_downgrade+0x900/0x900 [ 372.815021] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 372.820120] ? ___ratelimit+0x3b9/0x672 [ 372.824093] ? idr_get_free+0xec0/0xec0 [ 372.828059] ? find_held_lock+0x36/0x1c0 [ 372.832146] oom_kill_process.cold.27+0x10/0x903 [ 372.836896] ? zap_class+0x640/0x640 [ 372.840616] ? check_preemption_disabled+0x48/0x280 [ 372.845628] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 372.850551] ? kasan_check_read+0x11/0x20 [ 372.854695] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 372.859966] ? oom_evaluate_task+0x540/0x540 [ 372.864372] ? find_held_lock+0x36/0x1c0 [ 372.868440] ? out_of_memory+0x974/0x1430 [ 372.872585] ? lock_downgrade+0x900/0x900 [ 372.876727] ? check_preemption_disabled+0x48/0x280 [ 372.881743] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 372.886669] ? kasan_check_read+0x11/0x20 [ 372.890815] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 372.896087] ? rcu_softirq_qs+0x20/0x20 [ 372.900058] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 372.905589] ? oom_evaluate_task+0x302/0x540 [ 372.909999] out_of_memory+0xa84/0x1430 [ 372.913974] ? oom_killer_disable+0x3a0/0x3a0 [ 372.918467] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 372.923394] ? __mutex_add_waiter+0x2a0/0x2a0 [ 372.927908] __alloc_pages_slowpath+0x22d4/0x2d70 [ 372.932769] ? warn_alloc+0x120/0x120 [ 372.936562] ? rcu_softirq_qs+0x20/0x20 [ 372.940572] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 372.946116] ? should_fail+0x22d/0xd01 [ 372.950003] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 372.955103] ? zap_class+0x640/0x640 [ 372.958834] ? __lock_is_held+0xb5/0x140 [ 372.962895] ? mark_held_locks+0x130/0x130 [ 372.967141] ? lock_release+0xa00/0xa00 [ 372.971111] ? perf_trace_sched_process_exec+0x860/0x860 [ 372.976565] ? __might_sleep+0x95/0x190 [ 372.980652] __alloc_pages_nodemask+0xa80/0xde0 [ 372.985325] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 372.990348] ? __page_cache_alloc+0x191/0x5c0 [ 372.994834] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 372.999776] ? kasan_check_read+0x11/0x20 [ 373.003948] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 373.009227] ? zap_class+0x640/0x640 [ 373.012946] ? zap_class+0x640/0x640 [ 373.016657] ? zap_class+0x640/0x640 [ 373.020362] ? __do_page_cache_readahead+0x7ce/0x980 [ 373.025462] ? find_held_lock+0x36/0x1c0 [ 373.029523] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 373.035059] alloc_pages_current+0x173/0x350 [ 373.039473] __page_cache_alloc+0x38c/0x5c0 [ 373.043792] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 373.048715] ? kasan_check_read+0x11/0x20 [ 373.052862] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 373.058140] ? generic_perform_write+0x6a0/0x6a0 [ 373.062897] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 373.068429] ? check_preemption_disabled+0x48/0x280 [ 373.073468] filemap_fault+0x1594/0x25f0 [ 373.077537] ? __lock_page_or_retry+0xa00/0xa00 [ 373.082205] ? mark_held_locks+0x130/0x130 [ 373.086435] ? rcu_softirq_qs+0x20/0x20 [ 373.090436] ? filemap_map_pages+0xe04/0x1990 [ 373.094940] ? __free_object+0x173/0x340 [ 373.098999] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 373.103926] ? trace_hardirqs_off_caller+0x310/0x310 [ 373.109022] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 373.113692] ? debug_object_free+0x32d/0x690 [ 373.118097] ? kasan_check_read+0x11/0x20 [ 373.122241] ? debug_object_destroy+0x2b0/0x2b0 [ 373.126911] ? lock_pi_update_atomic+0x150/0x150 [ 373.131679] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.137225] ? __hrtimer_init+0xdb/0x240 [ 373.141297] ? lock_acquire+0x1ed/0x520 [ 373.145288] ? ext4_filemap_fault+0x7a/0xad [ 373.149612] ? lock_release+0xa00/0xa00 [ 373.153576] ? perf_trace_sched_process_exec+0x860/0x860 [ 373.159023] ? print_usage_bug+0xc0/0xc0 [ 373.163079] ? print_usage_bug+0xc0/0xc0 [ 373.167144] ? down_read+0x8d/0x120 [ 373.170763] ? ext4_filemap_fault+0x7a/0xad [ 373.175089] ? __down_interruptible+0x700/0x700 [ 373.179760] ext4_filemap_fault+0x82/0xad [ 373.183913] __do_fault+0x100/0x6b0 [ 373.187543] ? pmd_devmap_trans_unstable+0x220/0x220 [ 373.192648] ? mark_held_locks+0x130/0x130 [ 373.196890] ? mark_held_locks+0x130/0x130 [ 373.201120] ? debug_smp_processor_id+0x1c/0x20 [ 373.205782] ? perf_trace_lock+0x14d/0x7a0 [ 373.210017] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 373.215552] __handle_mm_fault+0x307c/0x5920 [ 373.219967] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 373.224810] ? lock_is_held_type+0x210/0x210 [ 373.229243] ? zap_class+0x640/0x640 [ 373.232949] ? zap_class+0x640/0x640 [ 373.236665] ? __x64_sys_futex+0x53e/0x6a0 [ 373.240908] ? find_held_lock+0x36/0x1c0 [ 373.244974] ? handle_mm_fault+0x42a/0xc70 [ 373.249212] ? lock_downgrade+0x900/0x900 [ 373.253351] ? check_preemption_disabled+0x48/0x280 [ 373.258368] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 373.263295] ? kasan_check_read+0x11/0x20 [ 373.267440] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 373.272713] ? rcu_softirq_qs+0x20/0x20 [ 373.276684] ? trace_hardirqs_off_caller+0x310/0x310 [ 373.281780] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 373.287311] ? check_preemption_disabled+0x48/0x280 [ 373.292329] handle_mm_fault+0x54f/0xc70 [ 373.296413] ? __handle_mm_fault+0x5920/0x5920 [ 373.300997] ? find_vma+0x34/0x190 [ 373.304537] __do_page_fault+0x5e8/0xe60 [ 373.308592] ? trace_hardirqs_off+0xb8/0x310 [ 373.312996] ? __ia32_sys_read+0xb0/0xb0 [ 373.317060] do_page_fault+0xf2/0x7e0 [ 373.320860] ? vmalloc_sync_all+0x30/0x30 [ 373.325012] ? error_entry+0x70/0xd0 [ 373.328720] ? trace_hardirqs_off_caller+0xbb/0x310 [ 373.333730] ? trace_hardirqs_on_caller+0xc0/0x310 [ 373.338652] ? syscall_return_slowpath+0x5e0/0x5e0 [ 373.343576] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 373.348499] ? trace_hardirqs_on_caller+0x310/0x310 [ 373.353505] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 373.358951] ? prepare_exit_to_usermode+0x291/0x3b0 [ 373.363958] ? page_fault+0x8/0x30 [ 373.367492] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 373.372329] ? page_fault+0x8/0x30 [ 373.375888] page_fault+0x1e/0x30 [ 373.379338] RIP: 0033:0x45ddf3 [ 373.382540] Code: Bad RIP value. [ 373.385906] RSP: 002b:000000c4200206a0 EFLAGS: 00010206 [ 373.391265] RAX: ffffffffffffff92 RBX: 000000003b974269 RCX: 000000000045ddf3 [ 373.398528] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e1060 [ 373.405787] RBP: 000000c4200206e8 R08: 0000000000000000 R09: 0000000000000000 [ 373.413047] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001 [ 373.420307] R13: 0000000000000007 R14: 0000000000b7f720 R15: 000000000000bdf9 [ 373.427584] warn_alloc_show_mem: 1 callbacks suppressed [ 373.427593] CPU: 0 PID: 17787 Comm: syz-executor0 Not tainted 4.19.0+ #72 [ 373.427595] Mem-Info: [ 373.427623] active_anon:46452 inactive_anon:2315 isolated_anon:0 [ 373.427623] active_file:13 inactive_file:13 isolated_file:0 [ 373.427623] unevictable:0 dirty:0 writeback:0 unstable:0 [ 373.427623] slab_reclaimable:9341 slab_unreclaimable:1470635 [ 373.427623] mapped:24578 shmem:7010 pagetables:528 bounce:0 [ 373.427623] free:13753 free_pcp:603 free_cma:0 [ 373.432956] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 373.432963] Call Trace: [ 373.439907] Node 0 active_anon:185808kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:28040kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 373.442293] [ 373.475319] Node 0 [ 373.484661] dump_stack+0x244/0x39d [ 373.487239] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 373.515333] ? dump_stack_print_info.cold.1+0x20/0x20 [ 373.517456] lowmem_reserve[]: [ 373.519689] warn_alloc.cold.117+0xb7/0x1bd [ 373.523277] 0 [ 373.548763] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 373.553923] 2818 [ 373.557032] ? lock_downgrade+0x900/0x900 [ 373.561317] 6321 6321 [ 373.563120] ? trace_hardirqs_off+0xb8/0x310 [ 373.569997] ? trace_hardirqs_off+0xb8/0x310 [ 373.574116] Node 0 [ 373.576608] __alloc_pages_slowpath+0x2660/0x2d70 [ 373.581002] DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 373.585400] ? warn_alloc+0x120/0x120 [ 373.587585] lowmem_reserve[]: 0 [ 373.592423] ? warn_alloc+0x120/0x120 [ 373.619455] 0 [ 373.623241] ? print_usage_bug+0xc0/0xc0 [ 373.626485] 3503 3503 [ 373.630276] ? warn_alloc+0x120/0x120 [ 373.632052] Node 0 [ 373.636096] ? print_usage_bug+0xc0/0xc0 [ 373.638589] Normal free:13924kB min:37364kB low:46704kB high:56044kB active_anon:183760kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5536kB pagetables:2112kB bounce:0kB free_pcp:2164kB local_pcp:1336kB free_cma:0kB [ 373.642350] ? __lock_acquire+0x62f/0x4c20 [ 373.644577] lowmem_reserve[]: [ 373.648638] ? __lock_acquire+0x62f/0x4c20 [ 373.677138] 0 0 [ 373.681578] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 373.684665] 0 [ 373.688885] ? should_fail+0x22d/0xd01 [ 373.690827] 0 [ 373.696361] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 373.696376] ? __lock_acquire+0x62f/0x4c20 [ 373.698152] Node 0 [ 373.702025] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 373.703794] DMA: 1*4kB [ 373.708891] ? __lock_acquire+0x62f/0x4c20 [ 373.713092] (U) [ 373.715309] ? should_fail+0x22d/0xd01 [ 373.715323] ? find_held_lock+0x36/0x1c0 [ 373.720393] 0*8kB 0*16kB [ 373.722975] ? mark_held_locks+0x130/0x130 [ 373.727172] 1*32kB (U) [ 373.729138] ? mark_held_locks+0x130/0x130 [ 373.732990] 2*64kB (U) [ 373.737123] ? zap_class+0x640/0x640 [ 373.739884] 1*128kB [ 373.744118] ? zap_class+0x640/0x640 [ 373.746673] (U) [ 373.750892] ? print_usage_bug+0xc0/0xc0 [ 373.753441] 1*256kB (U) [ 373.757154] ? do_raw_spin_unlock+0xa7/0x330 [ 373.759444] 0*512kB 1*1024kB [ 373.763149] ? zap_class+0x640/0x640 [ 373.765096] (U) [ 373.769145] ? print_usage_bug+0xc0/0xc0 [ 373.771782] 1*2048kB (M) [ 373.776181] ? wq_watchdog_touch+0x9c/0xfe [ 373.779257] 3*4096kB (M) [ 373.782962] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.784908] = 15908kB [ 373.788956] ? check_preemption_disabled+0x48/0x280 [ 373.791683] Node 0 [ 373.795908] ? __lock_is_held+0xb5/0x140 [ 373.798636] DMA32: 5*4kB [ 373.804170] __alloc_pages_nodemask+0xa80/0xde0 [ 373.806545] (UM) 1*8kB [ 373.811552] ? zap_class+0x640/0x640 [ 373.813757] (H) 2*16kB [ 373.817812] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 373.820534] (M) 3*32kB [ 373.825203] ? find_held_lock+0x36/0x1c0 [ 373.827745] (M) 3*64kB [ 373.831458] ? ____cache_alloc_node+0x1c7/0x1e0 [ 373.834010] (MH) [ 373.839010] ? lock_downgrade+0x900/0x900 [ 373.841559] 4*128kB (M) [ 373.845617] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.848167] 5*256kB (UMH) [ 373.852833] cache_grow_begin+0xa5/0x8c0 [ 373.854866] 5*512kB [ 373.858997] ? do_raw_spin_unlock+0xa7/0x330 [ 373.861638] (UMH) [ 373.867162] fallback_alloc+0x204/0x2e0 [ 373.869974] 4*1024kB [ 373.874020] ____cache_alloc_node+0x1c7/0x1e0 [ 373.876313] (UMH) [ 373.880709] kmem_cache_alloc_node+0xe3/0x730 [ 373.882837] 2*2048kB (UM) [ 373.886803] ? ipv6_get_ifaddr+0x42e/0x620 [ 373.889178] 3*4096kB (M) [ 373.893674] __alloc_skb+0x119/0x770 [ 373.895784] = 25180kB [ 373.895791] Node 0 [ 373.900273] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 373.903084] Normal: 1917*4kB [ 373.907312] ? netdev_alloc_frag+0x1f0/0x1f0 [ 373.910042] (UME) [ 373.913742] ? lock_downgrade+0x900/0x900 [ 373.916127] 392*8kB [ 373.918367] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.923610] (UME) [ 373.926704] ? refcount_sub_and_test_checked+0x203/0x310 [ 373.931076] 105*16kB (UME) [ 373.933224] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 373.937342] 43*32kB (UM) [ 373.939658] ? addrconf_rs_timer+0x690/0x690 [ 373.945164] 1*64kB (U) [ 373.947331] ndisc_alloc_skb+0x144/0x340 [ 373.952740] 0*128kB 0*256kB [ 373.955667] ndisc_send_rs+0x331/0x6e0 [ 373.961082] 0*512kB 0*1024kB [ 373.963846] addrconf_rs_timer+0x314/0x690 [ 373.968214] 0*2048kB 0*4096kB [ 373.970790] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.974822] = 13924kB [ 373.974839] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 373.977853] call_timer_fn+0x272/0x920 [ 373.981713] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 373.984795] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.989002] 7036 total pagecache pages [ 373.992181] ? process_timeout+0x40/0x40 [ 373.996391] 0 pages in swap cache [ 373.998797] ? __run_timers+0x7da/0xc70 [ 374.007608] Swap cache stats: add 0, delete 0, find 0/0 [ 374.011489] ? _raw_spin_unlock_irq+0x27/0x80 [ 374.020030] Free swap = 0kB [ 374.024247] ? _raw_spin_unlock_irq+0x27/0x80 [ 374.028105] Total swap = 0kB [ 374.032148] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.035574] 1965979 pages RAM [ 374.039533] ? lockdep_hardirqs_on+0x296/0x5b0 [ 374.044867] 0 pages HighMem/MovableOnly [ 374.049364] ? trace_hardirqs_on+0xbd/0x310 [ 374.052347] 342867 pages reserved [ 374.052354] 0 pages cma reserved [ 374.056849] ? kasan_check_read+0x11/0x20 [ 374.059930] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 374.064068] ? __run_timers+0x7da/0xc70 [ 374.064082] ? trace_hardirqs_off_caller+0x310/0x310 [ 374.064099] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.067227] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 374.071741] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.075682] syz-fuzzer cpuset= [ 374.079985] __run_timers+0x7e5/0xc70 [ 374.083409] / [ 374.086772] ? timer_fixup_init+0x70/0x70 [ 374.090889] mems_allowed=0 [ 374.097378] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 374.145751] ? zap_class+0x640/0x640 [ 374.149460] ? enqueue_hrtimer+0x1a5/0x560 [ 374.153692] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 374.158888] ? find_held_lock+0x36/0x1c0 [ 374.162946] ? zap_class+0x640/0x640 [ 374.166659] ? pvclock_read_flags+0x160/0x160 [ 374.171152] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.176690] ? check_preemption_disabled+0x48/0x280 [ 374.181707] ? __lock_is_held+0xb5/0x140 [ 374.185787] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.191330] ? check_preemption_disabled+0x48/0x280 [ 374.196368] run_timer_softirq+0x52/0xb0 [ 374.200421] ? rcu_read_lock_sched_held+0x14f/0x180 [ 374.205430] __do_softirq+0x308/0xb7e [ 374.209231] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 374.213721] ? lock_downgrade+0x900/0x900 [ 374.217872] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 374.222976] ? pvclock_read_flags+0x160/0x160 [ 374.227463] ? lapic_next_event+0x5a/0x90 [ 374.231612] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.237234] ? kvm_clock_read+0x18/0x30 [ 374.241204] ? kvm_sched_clock_read+0x9/0x20 [ 374.245625] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.251156] ? check_preemption_disabled+0x48/0x280 [ 374.256176] irq_exit+0x17f/0x1c0 [ 374.259621] smp_apic_timer_interrupt+0x1cb/0x760 [ 374.264454] ? smp_reschedule_interrupt+0x109/0x650 [ 374.269464] ? smp_call_function_single_interrupt+0x650/0x650 [ 374.275343] ? interrupt_entry+0xb5/0xc0 [ 374.279407] ? trace_hardirqs_off_caller+0xbb/0x310 [ 374.284416] ? trace_hardirqs_off_caller+0xbb/0x310 [ 374.289427] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 374.294262] ? trace_hardirqs_on_caller+0x310/0x310 [ 374.299274] ? trace_hardirqs_on_caller+0x310/0x310 [ 374.304285] ? task_prio+0x50/0x50 [ 374.307829] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.313361] ? check_preemption_disabled+0x48/0x280 [ 374.318372] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 374.323216] apic_timer_interrupt+0xf/0x20 [ 374.327461] [ 374.329695] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 374.334618] Code: 7e 0f 85 cf fe ff ff e8 f6 d7 3f ff e9 c5 fe ff ff e8 4d a2 c3 ff 48 83 3d a5 50 91 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 6a b1 [ 374.353508] RSP: 0000:ffff88019c63f740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 374.361212] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 374.368475] RDX: 0000000000000000 RSI: ffff8801929e68c0 RDI: 0000000000000286 [ 374.375737] RBP: ffff88019c63f7a8 R08: ffff8801929e6040 R09: 0000000000000000 [ 374.382999] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 374.390258] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020 [ 374.397566] skb_clone+0x1bb/0x500 [ 374.401099] ? finish_task_switch+0x2f4/0x910 [ 374.405586] ? skb_split+0x11e0/0x11e0 [ 374.409470] ? preempt_notifier_register+0x200/0x200 [ 374.414568] ? __switch_to_asm+0x34/0x70 [ 374.418621] ? __switch_to_asm+0x34/0x70 [ 374.422675] ? __switch_to_asm+0x40/0x70 [ 374.426728] ? __switch_to_asm+0x34/0x70 [ 374.430792] ? __switch_to_asm+0x40/0x70 [ 374.434848] ? __switch_to_asm+0x34/0x70 [ 374.438907] ? __switch_to_asm+0x40/0x70 [ 374.442963] ? __switch_to_asm+0x34/0x70 [ 374.447022] ? __switch_to_asm+0x34/0x70 [ 374.451076] ? __switch_to_asm+0x40/0x70 [ 374.455131] ? __switch_to_asm+0x34/0x70 [ 374.459189] bpf_clone_redirect+0xb9/0x490 [ 374.463420] ? __schedule+0x8d7/0x21d0 [ 374.467304] bpf_prog_bebbfe2050753572+0x325/0x1000 [ 374.472312] ? __sched_text_start+0x8/0x8 [ 374.476464] ? find_held_lock+0x36/0x1c0 [ 374.480528] ? lock_acquire+0x1ed/0x520 [ 374.484494] ? bpf_test_run+0x3cb/0x780 [ 374.488459] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.493989] ? check_preemption_disabled+0x48/0x280 [ 374.499001] ? kasan_check_read+0x11/0x20 [ 374.503171] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 374.508443] ? rcu_softirq_qs+0x20/0x20 [ 374.512416] ? preempt_schedule+0x4d/0x60 [ 374.516558] ? ___preempt_schedule+0x16/0x18 [ 374.520970] ? bpf_test_run+0x25d/0x780 [ 374.524950] ? netlink_diag_dump+0x2a0/0x2a0 [ 374.529355] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 374.534905] ? bpf_test_init.isra.10+0x70/0x100 [ 374.539592] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 374.544351] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 374.549193] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 374.554722] ? fput+0x130/0x1a0 [ 374.558008] ? __bpf_prog_get+0x9b/0x290 [ 374.562068] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 374.566906] ? bpf_prog_test_run+0x130/0x1a0 [ 374.571324] ? __x64_sys_bpf+0x3d8/0x520 [ 374.575378] ? bpf_prog_get+0x20/0x20 [ 374.579190] ? do_syscall_64+0x1b9/0x820 [ 374.583249] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 374.588606] ? syscall_return_slowpath+0x5e0/0x5e0 [ 374.593535] ? trace_hardirqs_on_caller+0x310/0x310 [ 374.598574] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 374.603586] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 374.610250] ? __switch_to_asm+0x40/0x70 [ 374.614307] ? __switch_to_asm+0x34/0x70 [ 374.618370] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 374.623214] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 374.628591] CPU: 1 PID: 5375 Comm: syz-fuzzer Not tainted 4.19.0+ #72 [ 374.628669] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 374.635164] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 374.635169] Call Trace: [ 374.635174] [ 374.635206] dump_stack+0x244/0x39d [ 374.635225] ? dump_stack_print_info.cold.1+0x20/0x20 [ 374.641735] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 374.651037] warn_alloc.cold.117+0xb7/0x1bd [ 374.653588] syz-executor0 cpuset= [ 374.655725] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 374.659322] syz0 [ 374.664500] ? lock_downgrade+0x900/0x900 [ 374.674956] mems_allowed=0 [ 374.679299] ? trace_hardirqs_off+0xb8/0x310 [ 374.700932] ? trace_hardirqs_off+0xb8/0x310 [ 374.705341] __alloc_pages_slowpath+0x2660/0x2d70 [ 374.710216] ? warn_alloc+0x120/0x120 [ 374.714034] ? warn_alloc+0x120/0x120 [ 374.717832] ? print_usage_bug+0xc0/0xc0 [ 374.721888] ? warn_alloc+0x120/0x120 [ 374.725689] ? print_usage_bug+0xc0/0xc0 [ 374.729741] ? __lock_acquire+0x62f/0x4c20 [ 374.733972] ? __lock_acquire+0x62f/0x4c20 [ 374.738202] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 374.743732] ? should_fail+0x22d/0xd01 [ 374.747623] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 374.752722] ? __lock_acquire+0x62f/0x4c20 [ 374.756957] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 374.762055] ? __lock_acquire+0x62f/0x4c20 [ 374.766285] ? should_fail+0x22d/0xd01 [ 374.770166] ? find_held_lock+0x36/0x1c0 [ 374.774225] ? mark_held_locks+0x130/0x130 [ 374.778462] ? mark_held_locks+0x130/0x130 [ 374.782686] ? zap_class+0x640/0x640 [ 374.786400] ? zap_class+0x640/0x640 [ 374.790111] ? print_usage_bug+0xc0/0xc0 [ 374.794161] ? do_raw_spin_unlock+0xa7/0x330 [ 374.798572] ? zap_class+0x640/0x640 [ 374.802283] ? print_usage_bug+0xc0/0xc0 [ 374.806348] ? wq_watchdog_touch+0x9c/0xfe [ 374.810580] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.816110] ? check_preemption_disabled+0x48/0x280 [ 374.821138] ? __lock_is_held+0xb5/0x140 [ 374.825230] __alloc_pages_nodemask+0xa80/0xde0 [ 374.829901] ? zap_class+0x640/0x640 [ 374.833626] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 374.838646] ? find_held_lock+0x36/0x1c0 [ 374.842720] ? ____cache_alloc_node+0x1c7/0x1e0 [ 374.847403] ? lock_downgrade+0x900/0x900 [ 374.851553] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.857087] cache_grow_begin+0xa5/0x8c0 [ 374.861141] ? do_raw_spin_unlock+0xa7/0x330 [ 374.865566] fallback_alloc+0x204/0x2e0 [ 374.869549] ____cache_alloc_node+0x1c7/0x1e0 [ 374.874061] kmem_cache_alloc_node+0xe3/0x730 [ 374.878552] ? ipv6_get_ifaddr+0x42e/0x620 [ 374.882789] __alloc_skb+0x119/0x770 [ 374.886497] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 374.891780] ? netdev_alloc_frag+0x1f0/0x1f0 [ 374.896180] ? lock_downgrade+0x900/0x900 [ 374.900331] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.905869] ? refcount_sub_and_test_checked+0x203/0x310 [ 374.911418] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 374.916887] ? addrconf_rs_timer+0x690/0x690 [ 374.921301] ndisc_alloc_skb+0x144/0x340 [ 374.925358] ndisc_send_rs+0x331/0x6e0 [ 374.929243] addrconf_rs_timer+0x314/0x690 [ 374.933481] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.937721] call_timer_fn+0x272/0x920 [ 374.941627] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.945862] ? process_timeout+0x40/0x40 [ 374.949923] ? mark_held_locks+0xc7/0x130 [ 374.954067] ? _raw_spin_unlock_irq+0x27/0x80 [ 374.958556] ? _raw_spin_unlock_irq+0x27/0x80 [ 374.963043] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.967273] ? lockdep_hardirqs_on+0x296/0x5b0 [ 374.971849] ? trace_hardirqs_on+0xbd/0x310 [ 374.976164] ? kasan_check_read+0x11/0x20 [ 374.980304] ? __run_timers+0x7da/0xc70 [ 374.984272] ? trace_hardirqs_off_caller+0x310/0x310 [ 374.989384] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.993620] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.997853] __run_timers+0x7e5/0xc70 [ 375.001648] ? rcu_irq_exit+0x1a2/0x390 [ 375.005627] ? timer_fixup_init+0x70/0x70 [ 375.009772] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.015307] ? check_preemption_disabled+0x48/0x280 [ 375.020323] ? mark_held_locks+0xc7/0x130 [ 375.024465] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 375.029480] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 375.034248] ? retint_kernel+0x2d/0x2d [ 375.038134] ? trace_hardirqs_on_caller+0xc0/0x310 [ 375.043060] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 375.047813] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 375.053259] ? zap_class+0x640/0x640 [ 375.056971] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.062502] ? check_preemption_disabled+0x48/0x280 [ 375.067520] ? __lock_is_held+0xb5/0x140 [ 375.071577] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.077106] ? check_preemption_disabled+0x48/0x280 [ 375.082121] run_timer_softirq+0x52/0xb0 [ 375.086178] ? rcu_read_lock_sched_held+0x14f/0x180 [ 375.091199] __do_softirq+0x308/0xb7e [ 375.095000] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 375.099485] ? lock_downgrade+0x900/0x900 [ 375.103629] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 375.108738] ? pvclock_read_flags+0x160/0x160 [ 375.113229] ? lapic_next_event+0x5a/0x90 [ 375.117380] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.122914] ? kvm_clock_read+0x18/0x30 [ 375.126880] ? kvm_sched_clock_read+0x9/0x20 [ 375.131283] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.136812] ? check_preemption_disabled+0x48/0x280 [ 375.141834] irq_exit+0x17f/0x1c0 [ 375.145281] smp_apic_timer_interrupt+0x1cb/0x760 [ 375.150118] ? smp_reschedule_interrupt+0x109/0x650 [ 375.155129] ? smp_call_function_single_interrupt+0x650/0x650 [ 375.161010] ? interrupt_entry+0xb5/0xc0 [ 375.165069] ? trace_hardirqs_off_caller+0xbb/0x310 [ 375.170085] ? trace_hardirqs_off_caller+0xbb/0x310 [ 375.175103] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 375.179945] ? trace_hardirqs_on_caller+0x310/0x310 [ 375.184952] ? trace_hardirqs_on_caller+0x310/0x310 [ 375.189966] ? task_prio+0x50/0x50 [ 375.193502] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 375.199031] ? check_preemption_disabled+0x48/0x280 [ 375.204044] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 375.208887] apic_timer_interrupt+0xf/0x20 [ 375.213111] [ 375.215342] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 375.220526] Code: 00 e8 95 31 8e f9 e8 90 e2 bd f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d ea 90 8b 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d c0 90 [ 375.239416] RSP: 0000:ffff8801c4c0e140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 375.247123] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003afce19e [ 375.254381] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d7e70c7c [ 375.261646] RBP: ffff8801c4c0e168 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 375.268920] R10: 0000000000000000 R11: ffff8801d7e70400 R12: dffffc0000000000 [ 375.276213] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478 [ 375.283508] retint_kernel+0x1b/0x2d [ 375.287214] RIP: 0010:dump_stack+0x358/0x39d [ 375.291618] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 91 c1 00 fa 48 83 3d 99 b9 91 01 00 0f 84 63 fe ff ff e8 ee e6 bd f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db e6 bd f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 375.310511] RSP: 0000:ffff8801c4c0e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 375.318216] RAX: ffff8801d7e70400 RBX: 1ffffffff12a3e8e RCX: 1ffff1003afce19e [ 375.325480] RDX: 0000000000000000 RSI: ffffffff87c03ae2 RDI: 0000000000000293 [ 375.332746] RBP: ffff8801c4c0e2c8 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 375.340009] R10: 0000000000000000 R11: ffff8801d7e70400 R12: 1ffff10038981c4c [ 375.347272] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 375.354552] ? dump_stack+0x34f/0x39d [ 375.358357] ? dump_stack_print_info.cold.1+0x20/0x20 [ 375.363553] dump_header+0x27b/0xf72 [ 375.367269] ? mark_held_locks+0x130/0x130 [ 375.371512] ? pagefault_out_of_memory+0x197/0x197 [ 375.376438] ? __lock_acquire+0x62f/0x4c20 [ 375.380664] ? zap_class+0x640/0x640 [ 375.384373] ? percpu_ref_get_many+0x240/0x240 [ 375.388952] ? print_usage_bug+0xc0/0xc0 [ 375.393005] ? print_usage_bug+0xc0/0xc0 [ 375.397066] ? zap_class+0x640/0x640 [ 375.400776] ? print_usage_bug+0xc0/0xc0 [ 375.404834] ? print_usage_bug+0xc0/0xc0 [ 375.408894] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.414431] ? find_held_lock+0x36/0x1c0 [ 375.418534] ? mark_held_locks+0xc7/0x130 [ 375.422678] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 375.427780] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 375.432891] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 375.437468] ? trace_hardirqs_on+0xbd/0x310 [ 375.441801] ? kasan_check_read+0x11/0x20 [ 375.445948] ? ___ratelimit+0x3b4/0x672 [ 375.449924] ? trace_hardirqs_off_caller+0x310/0x310 [ 375.455023] ? trace_hardirqs_on+0x310/0x310 [ 375.459426] ? lock_downgrade+0x900/0x900 [ 375.463575] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 375.468672] ? ___ratelimit+0x3b9/0x672 [ 375.472656] ? idr_get_free+0xec0/0xec0 [ 375.476644] ? find_held_lock+0x36/0x1c0 [ 375.480737] oom_kill_process.cold.27+0x10/0x903 [ 375.485489] ? zap_class+0x640/0x640 [ 375.489195] ? check_preemption_disabled+0x48/0x280 [ 375.494221] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 375.499142] ? kasan_check_read+0x11/0x20 [ 375.503284] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 375.508557] ? oom_evaluate_task+0x540/0x540 [ 375.513433] ? find_held_lock+0x36/0x1c0 [ 375.517505] ? out_of_memory+0x974/0x1430 [ 375.521646] ? lock_downgrade+0x900/0x900 [ 375.525788] ? check_preemption_disabled+0x48/0x280 [ 375.530807] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 375.535734] ? kasan_check_read+0x11/0x20 [ 375.539885] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 375.545170] ? rcu_softirq_qs+0x20/0x20 [ 375.549154] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 375.554687] ? oom_evaluate_task+0x302/0x540 [ 375.559106] out_of_memory+0xa84/0x1430 [ 375.563088] ? oom_killer_disable+0x3a0/0x3a0 [ 375.567579] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 375.572505] ? __mutex_add_waiter+0x2a0/0x2a0 [ 375.577008] __alloc_pages_slowpath+0x22d4/0x2d70 [ 375.581876] ? warn_alloc+0x120/0x120 [ 375.585670] ? rcu_softirq_qs+0x20/0x20 [ 375.589677] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 375.595218] ? should_fail+0x22d/0xd01 [ 375.599102] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 375.604213] ? zap_class+0x640/0x640 [ 375.607945] ? __lock_is_held+0xb5/0x140 [ 375.612018] ? mark_held_locks+0x130/0x130 [ 375.616249] ? lock_release+0xa00/0xa00 [ 375.620227] ? perf_trace_sched_process_exec+0x860/0x860 [ 375.625681] ? __might_sleep+0x95/0x190 [ 375.629674] __alloc_pages_nodemask+0xa80/0xde0 [ 375.634352] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 375.639368] ? __page_cache_alloc+0x191/0x5c0 [ 375.643860] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 375.648786] ? kasan_check_read+0x11/0x20 [ 375.652934] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 375.658211] ? zap_class+0x640/0x640 [ 375.661929] ? zap_class+0x640/0x640 [ 375.665634] ? zap_class+0x640/0x640 [ 375.669345] ? __do_page_cache_readahead+0x7ce/0x980 [ 375.674449] ? find_held_lock+0x36/0x1c0 [ 375.678507] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 375.684576] alloc_pages_current+0x173/0x350 [ 375.688987] __page_cache_alloc+0x38c/0x5c0 [ 375.693306] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 375.698239] ? kasan_check_read+0x11/0x20 [ 375.702399] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 375.707671] ? generic_perform_write+0x6a0/0x6a0 [ 375.712432] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 375.717982] ? check_preemption_disabled+0x48/0x280 [ 375.723012] filemap_fault+0x1594/0x25f0 [ 375.727079] ? __lock_page_or_retry+0xa00/0xa00 [ 375.731747] ? mark_held_locks+0x130/0x130 [ 375.735979] ? rcu_softirq_qs+0x20/0x20 [ 375.739965] ? filemap_map_pages+0xe04/0x1990 [ 375.744469] ? __free_object+0x173/0x340 [ 375.748526] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 375.753449] ? trace_hardirqs_off_caller+0x310/0x310 [ 375.758548] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 375.763253] ? debug_object_free+0x32d/0x690 [ 375.767655] ? kasan_check_read+0x11/0x20 [ 375.771810] ? debug_object_destroy+0x2b0/0x2b0 [ 375.776478] ? lock_pi_update_atomic+0x150/0x150 [ 375.781235] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.786763] ? __hrtimer_init+0xdb/0x240 [ 375.790825] ? lock_acquire+0x1ed/0x520 [ 375.794810] ? ext4_filemap_fault+0x7a/0xad [ 375.799135] ? lock_release+0xa00/0xa00 [ 375.803102] ? perf_trace_sched_process_exec+0x860/0x860 [ 375.808567] ? print_usage_bug+0xc0/0xc0 [ 375.812628] ? print_usage_bug+0xc0/0xc0 [ 375.816699] ? down_read+0x8d/0x120 [ 375.820317] ? ext4_filemap_fault+0x7a/0xad [ 375.824634] ? __down_interruptible+0x700/0x700 [ 375.829307] ext4_filemap_fault+0x82/0xad [ 375.833474] __do_fault+0x100/0x6b0 [ 375.837108] ? pmd_devmap_trans_unstable+0x220/0x220 [ 375.842209] ? mark_held_locks+0x130/0x130 [ 375.846440] ? mark_held_locks+0x130/0x130 [ 375.850678] ? debug_smp_processor_id+0x1c/0x20 [ 375.855341] ? perf_trace_lock+0x14d/0x7a0 [ 375.859576] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 375.865200] __handle_mm_fault+0x307c/0x5920 [ 375.869612] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 375.874451] ? lock_is_held_type+0x210/0x210 [ 375.878872] ? zap_class+0x640/0x640 [ 375.882579] ? zap_class+0x640/0x640 [ 375.886284] ? __x64_sys_futex+0x53e/0x6a0 [ 375.890534] ? find_held_lock+0x36/0x1c0 [ 375.894596] ? handle_mm_fault+0x42a/0xc70 [ 375.898825] ? lock_downgrade+0x900/0x900 [ 375.902969] ? check_preemption_disabled+0x48/0x280 [ 375.907985] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 375.912912] ? kasan_check_read+0x11/0x20 [ 375.917059] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 375.922330] ? rcu_softirq_qs+0x20/0x20 [ 375.926296] ? trace_hardirqs_off_caller+0x310/0x310 [ 375.931393] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 375.936926] ? check_preemption_disabled+0x48/0x280 [ 375.941945] handle_mm_fault+0x54f/0xc70 [ 375.946005] ? __handle_mm_fault+0x5920/0x5920 [ 375.950600] ? find_vma+0x34/0x190 [ 375.954151] __do_page_fault+0x5e8/0xe60 [ 375.958212] ? trace_hardirqs_off+0xb8/0x310 [ 375.962620] ? __ia32_sys_read+0xb0/0xb0 [ 375.966693] do_page_fault+0xf2/0x7e0 [ 375.970489] ? vmalloc_sync_all+0x30/0x30 [ 375.974629] ? error_entry+0x70/0xd0 [ 375.978345] ? trace_hardirqs_off_caller+0xbb/0x310 [ 375.983352] ? trace_hardirqs_on_caller+0xc0/0x310 [ 375.988275] ? syscall_return_slowpath+0x5e0/0x5e0 [ 375.993201] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 375.998038] ? trace_hardirqs_on_caller+0x310/0x310 [ 376.003047] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 376.008524] ? prepare_exit_to_usermode+0x291/0x3b0 [ 376.013537] ? page_fault+0x8/0x30 [ 376.017073] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 376.021912] ? page_fault+0x8/0x30 [ 376.025445] page_fault+0x1e/0x30 [ 376.028894] RIP: 0033:0x45ddf3 [ 376.032113] Code: Bad RIP value. [ 376.035474] RSP: 002b:000000c4200206a0 EFLAGS: 00010206 [ 376.040834] RAX: ffffffffffffff92 RBX: 000000003b974269 RCX: 000000000045ddf3 [ 376.048096] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e1060 [ 376.055364] RBP: 000000c4200206e8 R08: 0000000000000000 R09: 0000000000000000 [ 376.062627] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001 [ 376.069895] R13: 0000000000000007 R14: 0000000000b7f720 R15: 000000000000bdf9 [ 376.077179] warn_alloc_show_mem: 1 callbacks suppressed [ 376.077188] CPU: 0 PID: 17787 Comm: syz-executor0 Not tainted 4.19.0+ #72 [ 376.077190] Mem-Info: [ 376.077218] active_anon:46452 inactive_anon:2315 isolated_anon:0 [ 376.077218] active_file:13 inactive_file:13 isolated_file:0 [ 376.077218] unevictable:0 dirty:0 writeback:0 unstable:0 [ 376.077218] slab_reclaimable:9341 slab_unreclaimable:1470635 [ 376.077218] mapped:24578 shmem:7010 pagetables:528 bounce:0 [ 376.077218] free:13753 free_pcp:603 free_cma:0 [ 376.082548] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 376.082555] Call Trace: [ 376.089491] Node 0 active_anon:185808kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:28040kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 376.091881] [ 376.124905] Node 0 [ 376.134257] dump_stack+0x244/0x39d [ 376.136837] 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 [ 376.164385] ? dump_stack_print_info.cold.1+0x20/0x20 [ 376.166519] lowmem_reserve[]: 0 [ 376.168763] warn_alloc.cold.117+0xb7/0x1bd [ 376.172347] 2818 6321 [ 376.197844] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 376.203002] 6321 [ 376.206273] ? lock_downgrade+0x900/0x900 [ 376.210565] Node 0 [ 376.213055] ? trace_hardirqs_off+0xb8/0x310 [ 376.217890] DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 376.219937] ? trace_hardirqs_off+0xb8/0x310 [ 376.224050] lowmem_reserve[]: [ 376.226296] __alloc_pages_slowpath+0x2660/0x2d70 [ 376.230683] 0 [ 376.257700] ? warn_alloc+0x120/0x120 [ 376.262048] 0 3503 [ 376.265148] ? warn_alloc+0x120/0x120 [ 376.269955] 3503 [ 376.271753] ? print_usage_bug+0xc0/0xc0 [ 376.275521] Node 0 [ 376.277744] ? warn_alloc+0x120/0x120 [ 376.281538] Normal free:13924kB min:37364kB low:46704kB high:56044kB active_anon:183760kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5536kB pagetables:2112kB bounce:0kB free_pcp:2164kB local_pcp:1336kB free_cma:0kB [ 376.283564] ? print_usage_bug+0xc0/0xc0 [ 376.287592] lowmem_reserve[]: [ 376.289840] ? __lock_acquire+0x62f/0x4c20 [ 376.293611] 0 [ 376.322137] ? __lock_acquire+0x62f/0x4c20 [ 376.326168] 0 0 [ 376.329264] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 376.333464] 0 [ 376.335261] ? should_fail+0x22d/0xd01 [ 376.339466] Node 0 [ 376.341439] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 376.346941] DMA: 1*4kB [ 376.348737] ? __lock_acquire+0x62f/0x4c20 [ 376.352593] (U) [ 376.354855] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 376.359920] 0*8kB 0*16kB [ 376.362496] ? __lock_acquire+0x62f/0x4c20 [ 376.366699] 1*32kB (U) [ 376.368668] ? should_fail+0x22d/0xd01 [ 376.373738] 2*64kB (U) [ 376.376488] ? find_held_lock+0x36/0x1c0 [ 376.380690] 1*128kB (U) [ 376.383273] ? mark_held_locks+0x130/0x130 [ 376.387122] 1*256kB (U) [ 376.389701] ? mark_held_locks+0x130/0x130 [ 376.393725] 0*512kB 1*1024kB [ 376.396398] ? zap_class+0x640/0x640 [ 376.400599] (U) [ 376.403287] ? zap_class+0x640/0x640 [ 376.407491] 1*2048kB [ 376.410580] ? print_usage_bug+0xc0/0xc0 [ 376.414260] (M) 3*4096kB [ 376.416230] ? do_raw_spin_unlock+0xa7/0x330 [ 376.419914] (M) [ 376.422310] ? zap_class+0x640/0x640 [ 376.426338] = 15908kB [ 376.426345] Node 0 [ 376.429089] ? print_usage_bug+0xc0/0xc0 [ 376.433468] DMA32: [ 376.435429] ? wq_watchdog_touch+0x9c/0xfe [ 376.439112] 5*4kB [ 376.441513] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.443733] (UM) 1*8kB [ 376.447790] ? check_preemption_disabled+0x48/0x280 [ 376.449996] (H) [ 376.454220] ? __lock_is_held+0xb5/0x140 [ 376.456338] 2*16kB [ 376.461860] __alloc_pages_nodemask+0xa80/0xde0 [ 376.464411] (M) [ 376.469411] ? zap_class+0x640/0x640 [ 376.471356] 3*32kB (M) [ 376.475412] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 376.477622] 3*64kB (MH) [ 376.482297] ? find_held_lock+0x36/0x1c0 [ 376.484237] 4*128kB (M) [ 376.487950] ? ____cache_alloc_node+0x1c7/0x1e0 [ 376.490493] 5*256kB (UMH) [ 376.495502] ? lock_downgrade+0x900/0x900 [ 376.498145] 5*512kB [ 376.502197] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.504834] (UMH) 4*1024kB [ 376.509501] cache_grow_begin+0xa5/0x8c0 [ 376.512319] (UMH) [ 376.516454] ? do_raw_spin_unlock+0xa7/0x330 [ 376.518750] 2*2048kB (UM) [ 376.524289] fallback_alloc+0x204/0x2e0 [ 376.527183] 3*4096kB (M) [ 376.531239] ____cache_alloc_node+0x1c7/0x1e0 [ 376.533359] = 25180kB [ 376.533366] Node 0 [ 376.537766] kmem_cache_alloc_node+0xe3/0x730 [ 376.540594] Normal: 1917*4kB [ 376.544576] ? ipv6_get_ifaddr+0x42e/0x620 [ 376.547298] (UME) 392*8kB [ 376.551797] __alloc_skb+0x119/0x770 [ 376.554171] (UME) 105*16kB [ 376.556404] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 376.560868] (UME) [ 376.563961] ? netdev_alloc_frag+0x1f0/0x1f0 [ 376.568165] 43*32kB (UM) [ 376.571004] ? lock_downgrade+0x900/0x900 [ 376.574688] 1*64kB [ 376.577624] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.582863] (U) [ 376.585003] ? refcount_sub_and_test_checked+0x203/0x310 [ 376.589375] 0*128kB 0*256kB [ 376.592136] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 376.596250] 0*512kB 0*1024kB [ 376.598483] ? addrconf_rs_timer+0x690/0x690 [ 376.603992] 0*2048kB [ 376.605964] ndisc_alloc_skb+0x144/0x340 [ 376.611378] 0*4096kB [ 376.614385] ndisc_send_rs+0x331/0x6e0 [ 376.619800] = 13924kB [ 376.619813] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 376.622903] addrconf_rs_timer+0x314/0x690 [ 376.627288] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 376.629684] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.633714] 7036 total pagecache pages [ 376.636118] call_timer_fn+0x272/0x920 [ 376.639980] 0 pages in swap cache [ 376.642374] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.651184] Swap cache stats: add 0, delete 0, find 0/0 [ 376.655402] ? process_timeout+0x40/0x40 [ 376.663947] Free swap = 0kB [ 376.668176] ? __run_timers+0x7da/0xc70 [ 376.672029] Total swap = 0kB [ 376.675919] ? _raw_spin_unlock_irq+0x27/0x80 [ 376.679351] 1965979 pages RAM [ 376.683572] ? _raw_spin_unlock_irq+0x27/0x80 [ 376.688905] 0 pages HighMem/MovableOnly [ 376.688912] 342867 pages reserved [ 376.692954] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.695939] 0 pages cma reserved [ 376.696026] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 376.699908] ? lockdep_hardirqs_on+0x296/0x5b0 [ 376.702978] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 376.707392] ? trace_hardirqs_on+0xbd/0x310 [ 376.710470] syz-fuzzer cpuset= [ 376.714948] ? kasan_check_read+0x11/0x20 [ 376.714964] ? __run_timers+0x7da/0xc70 [ 376.718912] / [ 376.722354] ? trace_hardirqs_off_caller+0x310/0x310 [ 376.726559] mems_allowed=0 [ 376.729922] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.780646] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.784874] __run_timers+0x7e5/0xc70 [ 376.788680] ? timer_fixup_init+0x70/0x70 [ 376.792834] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 376.797846] ? zap_class+0x640/0x640 [ 376.801557] ? enqueue_hrtimer+0x1a5/0x560 [ 376.805804] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 376.810995] ? find_held_lock+0x36/0x1c0 [ 376.815054] ? zap_class+0x640/0x640 [ 376.818766] ? pvclock_read_flags+0x160/0x160 [ 376.823258] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.828791] ? check_preemption_disabled+0x48/0x280 [ 376.833810] ? __lock_is_held+0xb5/0x140 [ 376.837865] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.843400] ? check_preemption_disabled+0x48/0x280 [ 376.848430] run_timer_softirq+0x52/0xb0 [ 376.852483] ? rcu_read_lock_sched_held+0x14f/0x180 [ 376.857493] __do_softirq+0x308/0xb7e [ 376.861294] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 376.865782] ? lock_downgrade+0x900/0x900 [ 376.869928] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 376.875029] ? pvclock_read_flags+0x160/0x160 [ 376.879520] ? lapic_next_event+0x5a/0x90 [ 376.883664] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.889198] ? kvm_clock_read+0x18/0x30 [ 376.893164] ? kvm_sched_clock_read+0x9/0x20 [ 376.897572] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.903127] ? check_preemption_disabled+0x48/0x280 [ 376.908158] irq_exit+0x17f/0x1c0 [ 376.911616] smp_apic_timer_interrupt+0x1cb/0x760 [ 376.916449] ? smp_reschedule_interrupt+0x109/0x650 [ 376.921459] ? smp_call_function_single_interrupt+0x650/0x650 [ 376.927336] ? interrupt_entry+0xb5/0xc0 [ 376.931395] ? trace_hardirqs_off_caller+0xbb/0x310 [ 376.936403] ? trace_hardirqs_off_caller+0xbb/0x310 [ 376.941426] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 376.946264] ? trace_hardirqs_on_caller+0x310/0x310 [ 376.951272] ? trace_hardirqs_on_caller+0x310/0x310 [ 376.956282] ? task_prio+0x50/0x50 [ 376.959817] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.965346] ? check_preemption_disabled+0x48/0x280 [ 376.970370] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 376.975215] apic_timer_interrupt+0xf/0x20 [ 376.979441] [ 376.981681] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 376.986620] Code: 7e 0f 85 cf fe ff ff e8 f6 d7 3f ff e9 c5 fe ff ff e8 4d a2 c3 ff 48 83 3d a5 50 91 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 6a b1 [ 377.005518] RSP: 0000:ffff88019c63f740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 377.013219] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 377.020480] RDX: 0000000000000000 RSI: ffff8801929e68c0 RDI: 0000000000000286 [ 377.027741] RBP: ffff88019c63f7a8 R08: ffff8801929e6040 R09: 0000000000000000 [ 377.035003] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 377.042266] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020 [ 377.049591] skb_clone+0x1bb/0x500 [ 377.053127] ? finish_task_switch+0x2f4/0x910 [ 377.057619] ? skb_split+0x11e0/0x11e0 [ 377.061499] ? preempt_notifier_register+0x200/0x200 [ 377.066610] ? __switch_to_asm+0x34/0x70 [ 377.070670] ? __switch_to_asm+0x34/0x70 [ 377.074722] ? __switch_to_asm+0x40/0x70 [ 377.078781] ? __switch_to_asm+0x34/0x70 [ 377.082835] ? __switch_to_asm+0x40/0x70 [ 377.086889] ? __switch_to_asm+0x34/0x70 [ 377.090942] ? __switch_to_asm+0x40/0x70 [ 377.095000] ? __switch_to_asm+0x34/0x70 [ 377.099054] ? __switch_to_asm+0x34/0x70 [ 377.103109] ? __switch_to_asm+0x40/0x70 [ 377.107175] ? __switch_to_asm+0x34/0x70 [ 377.111232] bpf_clone_redirect+0xb9/0x490 [ 377.115464] ? __schedule+0x8d7/0x21d0 [ 377.119353] bpf_prog_bebbfe2050753572+0x325/0x1000 [ 377.124365] ? __sched_text_start+0x8/0x8 [ 377.128518] ? find_held_lock+0x36/0x1c0 [ 377.132589] ? lock_acquire+0x1ed/0x520 [ 377.136554] ? bpf_test_run+0x3cb/0x780 [ 377.140534] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.146068] ? check_preemption_disabled+0x48/0x280 [ 377.151085] ? kasan_check_read+0x11/0x20 [ 377.155245] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 377.160530] ? rcu_softirq_qs+0x20/0x20 [ 377.164506] ? preempt_schedule+0x4d/0x60 [ 377.168650] ? ___preempt_schedule+0x16/0x18 [ 377.173058] ? bpf_test_run+0x25d/0x780 [ 377.177037] ? netlink_diag_dump+0x2a0/0x2a0 [ 377.181442] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 377.186975] ? bpf_test_init.isra.10+0x70/0x100 [ 377.191643] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 377.196402] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 377.201236] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 377.206765] ? fput+0x130/0x1a0 [ 377.210040] ? __bpf_prog_get+0x9b/0x290 [ 377.214100] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 377.218933] ? bpf_prog_test_run+0x130/0x1a0 [ 377.223339] ? __x64_sys_bpf+0x3d8/0x520 [ 377.227396] ? bpf_prog_get+0x20/0x20 [ 377.231207] ? do_syscall_64+0x1b9/0x820 [ 377.235265] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 377.240627] ? syscall_return_slowpath+0x5e0/0x5e0 [ 377.245570] ? trace_hardirqs_on_caller+0x310/0x310 [ 377.250592] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 377.255603] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 377.262263] ? __switch_to_asm+0x40/0x70 [ 377.266320] ? __switch_to_asm+0x34/0x70 [ 377.270379] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 377.275240] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 377.280643] CPU: 1 PID: 5375 Comm: syz-fuzzer Not tainted 4.19.0+ #72 [ 377.280700] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 377.287215] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 377.287219] Call Trace: [ 377.287225] [ 377.287239] dump_stack+0x244/0x39d [ 377.287257] ? dump_stack_print_info.cold.1+0x20/0x20 [ 377.293791] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 377.303079] warn_alloc.cold.117+0xb7/0x1bd [ 377.305626] syz-executor0 cpuset= [ 377.307760] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 377.311358] syz0 [ 377.316536] ? lock_downgrade+0x900/0x900 [ 377.326995] mems_allowed=0 [ 377.331302] ? trace_hardirqs_off+0xb8/0x310 [ 377.352971] ? trace_hardirqs_off+0xb8/0x310 [ 377.357381] __alloc_pages_slowpath+0x2660/0x2d70 [ 377.362243] ? warn_alloc+0x120/0x120 [ 377.366059] ? warn_alloc+0x120/0x120 [ 377.369857] ? print_usage_bug+0xc0/0xc0 [ 377.373914] ? warn_alloc+0x120/0x120 [ 377.377714] ? print_usage_bug+0xc0/0xc0 [ 377.381772] ? __lock_acquire+0x62f/0x4c20 [ 377.386022] ? __lock_acquire+0x62f/0x4c20 [ 377.390261] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 377.395793] ? should_fail+0x22d/0xd01 [ 377.399674] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 377.404949] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 377.410055] ? __lock_acquire+0x62f/0x4c20 [ 377.414320] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 377.419414] ? __lock_acquire+0x62f/0x4c20 [ 377.423643] ? should_fail+0x22d/0xd01 [ 377.427528] ? rcu_irq_exit+0x1a2/0x390 [ 377.431512] ? mark_held_locks+0x130/0x130 [ 377.435754] ? mark_held_locks+0x130/0x130 [ 377.439988] ? mark_held_locks+0xc7/0x130 [ 377.444130] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 377.449140] ? zap_class+0x640/0x640 [ 377.452848] ? print_usage_bug+0xc0/0xc0 [ 377.456909] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.462443] ? check_preemption_disabled+0x48/0x280 [ 377.467476] ? __lock_is_held+0xb5/0x140 [ 377.471542] __alloc_pages_nodemask+0xa80/0xde0 [ 377.476206] ? zap_class+0x640/0x640 [ 377.479918] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 377.484947] ? find_held_lock+0x36/0x1c0 [ 377.489012] ? ____cache_alloc_node+0x1c7/0x1e0 [ 377.493679] ? lock_downgrade+0x900/0x900 [ 377.497839] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.503377] cache_grow_begin+0xa5/0x8c0 [ 377.507437] ? do_raw_spin_unlock+0xa7/0x330 [ 377.512130] fallback_alloc+0x204/0x2e0 [ 377.516116] ____cache_alloc_node+0x1c7/0x1e0 [ 377.520634] kmem_cache_alloc_node+0xe3/0x730 [ 377.525123] ? ipv6_get_ifaddr+0x42e/0x620 [ 377.529361] __alloc_skb+0x119/0x770 [ 377.533072] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 377.538346] ? netdev_alloc_frag+0x1f0/0x1f0 [ 377.542763] ? lock_downgrade+0x900/0x900 [ 377.546911] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.552446] ? refcount_sub_and_test_checked+0x203/0x310 [ 377.557893] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 377.563339] ? addrconf_rs_timer+0x690/0x690 [ 377.567752] ndisc_alloc_skb+0x144/0x340 [ 377.571810] ndisc_send_rs+0x331/0x6e0 [ 377.575710] addrconf_rs_timer+0x314/0x690 [ 377.579945] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 377.584185] call_timer_fn+0x272/0x920 [ 377.588064] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 377.592296] ? process_timeout+0x40/0x40 [ 377.596362] ? mark_held_locks+0xc7/0x130 [ 377.600521] ? _raw_spin_unlock_irq+0x27/0x80 [ 377.605021] ? _raw_spin_unlock_irq+0x27/0x80 [ 377.609513] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 377.613749] ? lockdep_hardirqs_on+0x296/0x5b0 [ 377.618343] ? trace_hardirqs_on+0xbd/0x310 [ 377.622661] ? kasan_check_read+0x11/0x20 [ 377.626808] ? __run_timers+0x7da/0xc70 [ 377.630791] ? trace_hardirqs_off_caller+0x310/0x310 [ 377.635898] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 377.640130] __run_timers+0x7e5/0xc70 [ 377.643924] ? rcu_irq_exit+0x1a2/0x390 [ 377.647903] ? timer_fixup_init+0x70/0x70 [ 377.652047] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.657597] ? check_preemption_disabled+0x48/0x280 [ 377.662615] ? mark_held_locks+0xc7/0x130 [ 377.666757] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 377.671769] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 377.676539] ? retint_kernel+0x2d/0x2d [ 377.680923] ? trace_hardirqs_on_caller+0xc0/0x310 [ 377.685849] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 377.690614] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 377.696061] ? zap_class+0x640/0x640 [ 377.699775] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.705306] ? check_preemption_disabled+0x48/0x280 [ 377.710324] ? __lock_is_held+0xb5/0x140 [ 377.714380] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.719930] ? check_preemption_disabled+0x48/0x280 [ 377.724952] run_timer_softirq+0x52/0xb0 [ 377.729008] ? rcu_read_lock_sched_held+0x14f/0x180 [ 377.734020] __do_softirq+0x308/0xb7e [ 377.737819] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 377.742310] ? lock_downgrade+0x900/0x900 [ 377.746458] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 377.751563] ? pvclock_read_flags+0x160/0x160 [ 377.756068] ? lapic_next_event+0x5a/0x90 [ 377.760233] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.765771] ? kvm_clock_read+0x18/0x30 [ 377.769742] ? kvm_sched_clock_read+0x9/0x20 [ 377.774143] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.779688] ? check_preemption_disabled+0x48/0x280 [ 377.784708] irq_exit+0x17f/0x1c0 [ 377.788157] smp_apic_timer_interrupt+0x1cb/0x760 [ 377.792991] ? smp_reschedule_interrupt+0x109/0x650 [ 377.798008] ? smp_call_function_single_interrupt+0x650/0x650 [ 377.803891] ? interrupt_entry+0xb5/0xc0 [ 377.807948] ? trace_hardirqs_off_caller+0xbb/0x310 [ 377.812957] ? trace_hardirqs_off_caller+0xbb/0x310 [ 377.817970] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 377.822808] ? trace_hardirqs_on_caller+0x310/0x310 [ 377.827819] ? trace_hardirqs_on_caller+0x310/0x310 [ 377.832830] ? task_prio+0x50/0x50 [ 377.836366] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 377.841893] ? check_preemption_disabled+0x48/0x280 [ 377.846905] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 377.851761] apic_timer_interrupt+0xf/0x20 [ 377.856002] [ 377.858242] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 377.863428] Code: 00 e8 95 31 8e f9 e8 90 e2 bd f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d ea 90 8b 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d c0 90 [ 377.882319] RSP: 0000:ffff8801c4c0e140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 377.890024] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003afce19e [ 377.897286] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d7e70c7c [ 377.904551] RBP: ffff8801c4c0e168 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 377.911814] R10: 0000000000000000 R11: ffff8801d7e70400 R12: dffffc0000000000 [ 377.919079] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478 [ 377.926370] retint_kernel+0x1b/0x2d [ 377.930098] RIP: 0010:dump_stack+0x358/0x39d [ 377.934505] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 91 c1 00 fa 48 83 3d 99 b9 91 01 00 0f 84 63 fe ff ff e8 ee e6 bd f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db e6 bd f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 377.953396] RSP: 0000:ffff8801c4c0e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 377.961101] RAX: ffff8801d7e70400 RBX: 1ffffffff12a3e8e RCX: 1ffff1003afce19e [ 377.968361] RDX: 0000000000000000 RSI: ffffffff87c03ae2 RDI: 0000000000000293 [ 377.975626] RBP: ffff8801c4c0e2c8 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 377.982903] R10: 0000000000000000 R11: ffff8801d7e70400 R12: 1ffff10038981c4c [ 377.990163] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 377.997469] ? dump_stack+0x34f/0x39d [ 378.001278] ? dump_stack_print_info.cold.1+0x20/0x20 [ 378.006485] dump_header+0x27b/0xf72 [ 378.010207] ? mark_held_locks+0x130/0x130 [ 378.014437] ? pagefault_out_of_memory+0x197/0x197 [ 378.019363] ? __lock_acquire+0x62f/0x4c20 [ 378.023592] ? zap_class+0x640/0x640 [ 378.027302] ? percpu_ref_get_many+0x240/0x240 [ 378.031878] ? print_usage_bug+0xc0/0xc0 [ 378.035931] ? print_usage_bug+0xc0/0xc0 [ 378.040011] ? zap_class+0x640/0x640 [ 378.043722] ? print_usage_bug+0xc0/0xc0 [ 378.047790] ? print_usage_bug+0xc0/0xc0 [ 378.051850] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.057393] ? find_held_lock+0x36/0x1c0 [ 378.061457] ? mark_held_locks+0xc7/0x130 [ 378.065600] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 378.070693] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 378.075794] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 378.080393] ? trace_hardirqs_on+0xbd/0x310 [ 378.084709] ? kasan_check_read+0x11/0x20 [ 378.088860] ? ___ratelimit+0x3b4/0x672 [ 378.092823] ? trace_hardirqs_off_caller+0x310/0x310 [ 378.097918] ? trace_hardirqs_on+0x310/0x310 [ 378.102322] ? lock_downgrade+0x900/0x900 [ 378.106492] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 378.111602] ? ___ratelimit+0x3b9/0x672 [ 378.115567] ? idr_get_free+0xec0/0xec0 [ 378.119533] ? find_held_lock+0x36/0x1c0 [ 378.123597] oom_kill_process.cold.27+0x10/0x903 [ 378.128346] ? zap_class+0x640/0x640 [ 378.132054] ? check_preemption_disabled+0x48/0x280 [ 378.137071] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 378.142001] ? kasan_check_read+0x11/0x20 [ 378.146144] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 378.151415] ? oom_evaluate_task+0x540/0x540 [ 378.155820] ? find_held_lock+0x36/0x1c0 [ 378.159882] ? out_of_memory+0x974/0x1430 [ 378.164024] ? lock_downgrade+0x900/0x900 [ 378.168165] ? check_preemption_disabled+0x48/0x280 [ 378.173177] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 378.178098] ? kasan_check_read+0x11/0x20 [ 378.182243] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 378.187518] ? rcu_softirq_qs+0x20/0x20 [ 378.191494] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 378.197032] ? oom_evaluate_task+0x302/0x540 [ 378.201437] out_of_memory+0xa84/0x1430 [ 378.205415] ? oom_killer_disable+0x3a0/0x3a0 [ 378.209905] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 378.214829] ? __mutex_add_waiter+0x2a0/0x2a0 [ 378.219329] __alloc_pages_slowpath+0x22d4/0x2d70 [ 378.224194] ? warn_alloc+0x120/0x120 [ 378.227992] ? rcu_softirq_qs+0x20/0x20 [ 378.232006] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 378.237534] ? should_fail+0x22d/0xd01 [ 378.241422] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 378.246520] ? zap_class+0x640/0x640 [ 378.250279] ? __lock_is_held+0xb5/0x140 [ 378.254344] ? mark_held_locks+0x130/0x130 [ 378.258580] ? lock_release+0xa00/0xa00 [ 378.262551] ? perf_trace_sched_process_exec+0x860/0x860 [ 378.268007] ? __might_sleep+0x95/0x190 [ 378.271983] __alloc_pages_nodemask+0xa80/0xde0 [ 378.276652] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 378.281666] ? __page_cache_alloc+0x191/0x5c0 [ 378.286159] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 378.291082] ? kasan_check_read+0x11/0x20 [ 378.295226] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 378.300502] ? zap_class+0x640/0x640 [ 378.304219] ? zap_class+0x640/0x640 [ 378.307924] ? zap_class+0x640/0x640 [ 378.311630] ? __do_page_cache_readahead+0x7ce/0x980 [ 378.316732] ? find_held_lock+0x36/0x1c0 [ 378.320794] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 378.326334] alloc_pages_current+0x173/0x350 [ 378.330751] __page_cache_alloc+0x38c/0x5c0 [ 378.335068] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 378.339993] ? kasan_check_read+0x11/0x20 [ 378.344134] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 378.349407] ? generic_perform_write+0x6a0/0x6a0 [ 378.354155] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 378.359684] ? check_preemption_disabled+0x48/0x280 [ 378.364703] filemap_fault+0x1594/0x25f0 [ 378.368771] ? __lock_page_or_retry+0xa00/0xa00 [ 378.373439] ? mark_held_locks+0x130/0x130 [ 378.377675] ? rcu_softirq_qs+0x20/0x20 [ 378.381660] ? filemap_map_pages+0xe04/0x1990 [ 378.386166] ? __free_object+0x173/0x340 [ 378.390225] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 378.395150] ? trace_hardirqs_off_caller+0x310/0x310 [ 378.400251] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 378.404930] ? debug_object_free+0x32d/0x690 [ 378.409346] ? kasan_check_read+0x11/0x20 [ 378.413500] ? debug_object_destroy+0x2b0/0x2b0 [ 378.418166] ? lock_pi_update_atomic+0x150/0x150 [ 378.422919] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.428449] ? __hrtimer_init+0xdb/0x240 [ 378.432523] ? lock_acquire+0x1ed/0x520 [ 378.436499] ? ext4_filemap_fault+0x7a/0xad [ 378.440818] ? lock_release+0xa00/0xa00 [ 378.444784] ? perf_trace_sched_process_exec+0x860/0x860 [ 378.450229] ? print_usage_bug+0xc0/0xc0 [ 378.454295] ? print_usage_bug+0xc0/0xc0 [ 378.458364] ? down_read+0x8d/0x120 [ 378.461985] ? ext4_filemap_fault+0x7a/0xad [ 378.466304] ? __down_interruptible+0x700/0x700 [ 378.470979] ext4_filemap_fault+0x82/0xad [ 378.475122] __do_fault+0x100/0x6b0 [ 378.478747] ? pmd_devmap_trans_unstable+0x220/0x220 [ 378.483846] ? mark_held_locks+0x130/0x130 [ 378.488078] ? mark_held_locks+0x130/0x130 [ 378.492308] ? debug_smp_processor_id+0x1c/0x20 [ 378.496975] ? perf_trace_lock+0x14d/0x7a0 [ 378.501208] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 378.506743] __handle_mm_fault+0x307c/0x5920 [ 378.511151] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 378.515992] ? lock_is_held_type+0x210/0x210 [ 378.520413] ? zap_class+0x640/0x640 [ 378.524156] ? zap_class+0x640/0x640 [ 378.527864] ? __x64_sys_futex+0x53e/0x6a0 [ 378.532096] ? find_held_lock+0x36/0x1c0 [ 378.536160] ? handle_mm_fault+0x42a/0xc70 [ 378.540387] ? lock_downgrade+0x900/0x900 [ 378.544526] ? check_preemption_disabled+0x48/0x280 [ 378.549542] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 378.554486] ? kasan_check_read+0x11/0x20 [ 378.558633] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 378.563903] ? rcu_softirq_qs+0x20/0x20 [ 378.567870] ? trace_hardirqs_off_caller+0x310/0x310 [ 378.572990] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 378.578525] ? check_preemption_disabled+0x48/0x280 [ 378.583545] handle_mm_fault+0x54f/0xc70 [ 378.587603] ? __handle_mm_fault+0x5920/0x5920 [ 378.592187] ? find_vma+0x34/0x190 [ 378.595727] __do_page_fault+0x5e8/0xe60 [ 378.599780] ? trace_hardirqs_off+0xb8/0x310 [ 378.604186] ? __ia32_sys_read+0xb0/0xb0 [ 378.608258] do_page_fault+0xf2/0x7e0 [ 378.612056] ? vmalloc_sync_all+0x30/0x30 [ 378.616196] ? error_entry+0x70/0xd0 [ 378.619906] ? trace_hardirqs_off_caller+0xbb/0x310 [ 378.624915] ? trace_hardirqs_on_caller+0xc0/0x310 [ 378.629842] ? syscall_return_slowpath+0x5e0/0x5e0 [ 378.634762] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 378.639597] ? trace_hardirqs_on_caller+0x310/0x310 [ 378.644613] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 378.650060] ? prepare_exit_to_usermode+0x291/0x3b0 [ 378.655077] ? page_fault+0x8/0x30 [ 378.658618] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 378.663467] ? page_fault+0x8/0x30 [ 378.667001] page_fault+0x1e/0x30 [ 378.670455] RIP: 0033:0x45ddf3 [ 378.673651] Code: Bad RIP value. [ 378.677008] RSP: 002b:000000c4200206a0 EFLAGS: 00010206 [ 378.682367] RAX: ffffffffffffff92 RBX: 000000003b974269 RCX: 000000000045ddf3 [ 378.689631] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e1060 [ 378.696893] RBP: 000000c4200206e8 R08: 0000000000000000 R09: 0000000000000000 [ 378.704153] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001 [ 378.711449] R13: 0000000000000007 R14: 0000000000b7f720 R15: 000000000000bdf9 [ 378.718728] warn_alloc_show_mem: 1 callbacks suppressed [ 378.718736] CPU: 0 PID: 17787 Comm: syz-executor0 Not tainted 4.19.0+ #72 [ 378.718738] Mem-Info: [ 378.718764] active_anon:46452 inactive_anon:2315 isolated_anon:0 [ 378.718764] active_file:13 inactive_file:13 isolated_file:0 [ 378.718764] unevictable:0 dirty:0 writeback:0 unstable:0 [ 378.718764] slab_reclaimable:9341 slab_unreclaimable:1470635 [ 378.718764] mapped:24578 shmem:7010 pagetables:528 bounce:0 [ 378.718764] free:13753 free_pcp:603 free_cma:0 [ 378.724097] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 378.724104] Call Trace: [ 378.731026] Node 0 active_anon:185808kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:28040kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 378.733411] [ 378.766446] Node 0 [ 378.775788] dump_stack+0x244/0x39d [ 378.778367] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 378.805929] ? dump_stack_print_info.cold.1+0x20/0x20 [ 378.808051] lowmem_reserve[]: 0 [ 378.810294] warn_alloc.cold.117+0xb7/0x1bd [ 378.813878] 2818 6321 [ 378.839374] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 378.844530] 6321 [ 378.847835] ? lock_downgrade+0x900/0x900 [ 378.852134] Node 0 [ 378.854625] ? trace_hardirqs_off+0xb8/0x310 [ 378.859464] DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 378.861495] ? trace_hardirqs_off+0xb8/0x310 [ 378.865610] lowmem_reserve[]: [ 378.867871] __alloc_pages_slowpath+0x2660/0x2d70 [ 378.872244] 0 0 [ 378.899232] ? warn_alloc+0x120/0x120 [ 378.903583] 3503 3503 [ 378.906684] ? warn_alloc+0x120/0x120 [ 378.913456] ? print_usage_bug+0xc0/0xc0 [ 378.917229] Node 0 [ 378.919714] ? warn_alloc+0x120/0x120 [ 378.923509] Normal free:13924kB min:37364kB low:46704kB high:56044kB active_anon:183760kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5536kB pagetables:2112kB bounce:0kB free_pcp:2164kB local_pcp:1336kB free_cma:0kB [ 378.927536] ? print_usage_bug+0xc0/0xc0 [ 378.929738] lowmem_reserve[]: 0 [ 378.933532] ? __lock_acquire+0x62f/0x4c20 [ 378.962119] 0 0 [ 378.966187] ? __lock_acquire+0x62f/0x4c20 [ 378.969438] 0 [ 378.973661] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 378.975609] Node 0 [ 378.979830] ? should_fail+0x22d/0xd01 [ 378.981602] DMA: 1*4kB [ 378.987131] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 378.989337] (U) [ 378.993210] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 378.995790] 0*8kB 0*16kB [ 379.001074] ? __lock_acquire+0x62f/0x4c20 [ 379.003017] 1*32kB (U) [ 379.008113] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 379.010839] 2*64kB (U) [ 379.015081] ? __lock_acquire+0x62f/0x4c20 [ 379.017633] 1*128kB (U) [ 379.022723] ? should_fail+0x22d/0xd01 [ 379.025278] 1*256kB (U) [ 379.029506] ? rcu_irq_exit+0x1a2/0x390 [ 379.032154] 0*512kB 1*1024kB [ 379.036037] ? mark_held_locks+0x130/0x130 [ 379.038674] (U) [ 379.042634] ? mark_held_locks+0x130/0x130 [ 379.045716] 1*2048kB (M) [ 379.049944] ? mark_held_locks+0xc7/0x130 [ 379.051887] 3*4096kB (M) [ 379.056115] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 379.058840] = 15908kB [ 379.058847] Node 0 [ 379.062979] ? zap_class+0x640/0x640 [ 379.065704] DMA32: 5*4kB [ 379.070710] ? print_usage_bug+0xc0/0xc0 [ 379.073092] (UM) [ 379.075328] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.079009] 1*8kB [ 379.081752] ? check_preemption_disabled+0x48/0x280 [ 379.085775] (H) 2*16kB [ 379.087840] ? __lock_is_held+0xb5/0x140 [ 379.093336] (M) 3*32kB [ 379.095483] __alloc_pages_nodemask+0xa80/0xde0 [ 379.100467] (M) [ 379.103036] ? zap_class+0x640/0x640 [ 379.107064] 3*64kB (MH) [ 379.109647] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 379.114281] 4*128kB (M) [ 379.116255] ? find_held_lock+0x36/0x1c0 [ 379.119931] 5*256kB (UMH) [ 379.122604] ? ____cache_alloc_node+0x1c7/0x1e0 [ 379.127580] 5*512kB (UMH) [ 379.130243] ? lock_downgrade+0x900/0x900 [ 379.134269] 4*1024kB (UMH) [ 379.137113] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.141743] 2*2048kB (UM) [ 379.144603] cache_grow_begin+0xa5/0x8c0 [ 379.148715] 3*4096kB (M) [ 379.151638] ? do_raw_spin_unlock+0xa7/0x330 [ 379.157141] = 25180kB [ 379.157147] Node 0 [ 379.159984] fallback_alloc+0x204/0x2e0 [ 379.164031] Normal: [ 379.166782] ____cache_alloc_node+0x1c7/0x1e0 [ 379.171159] 1917*4kB [ 379.173560] kmem_cache_alloc_node+0xe3/0x730 [ 379.175763] (UME) 392*8kB [ 379.179733] ? ipv6_get_ifaddr+0x42e/0x620 [ 379.182020] (UME) 105*16kB [ 379.186546] __alloc_skb+0x119/0x770 [ 379.188930] (UME) 43*32kB [ 379.193439] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 379.196247] (UM) 1*64kB [ 379.200474] ? netdev_alloc_frag+0x1f0/0x1f0 [ 379.203369] (U) 0*128kB [ 379.207093] ? lock_downgrade+0x900/0x900 [ 379.209902] 0*256kB 0*512kB [ 379.215175] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.217813] 0*1024kB 0*2048kB [ 379.222214] ? refcount_sub_and_test_checked+0x203/0x310 [ 379.224861] 0*4096kB = 13924kB [ 379.229004] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 379.232001] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 379.237515] ? addrconf_rs_timer+0x690/0x690 [ 379.240682] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 379.246118] ndisc_alloc_skb+0x144/0x340 [ 379.249273] 7036 total pagecache pages [ 379.254710] ndisc_send_rs+0x331/0x6e0 [ 379.263524] 0 pages in swap cache [ 379.267915] addrconf_rs_timer+0x314/0x690 [ 379.276475] Swap cache stats: add 0, delete 0, find 0/0 [ 379.280522] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 379.284378] Free swap = 0kB [ 379.288271] call_timer_fn+0x272/0x920 [ 379.291690] Total swap = 0kB [ 379.295906] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 379.301248] 1965979 pages RAM [ 379.305471] ? process_timeout+0x40/0x40 [ 379.308467] 0 pages HighMem/MovableOnly [ 379.312347] ? __run_timers+0x7da/0xc70 [ 379.315334] 342867 pages reserved [ 379.315341] 0 pages cma reserved [ 379.319564] ? _raw_spin_unlock_irq+0x27/0x80 [ 379.322699] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 379.326691] ? _raw_spin_unlock_irq+0x27/0x80 [ 379.330688] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 379.334595] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 379.338017] syz-fuzzer cpuset= [ 379.341366] ? lockdep_hardirqs_on+0x296/0x5b0 [ 379.345825] / [ 379.352299] ? trace_hardirqs_on+0xbd/0x310 [ 379.356777] mems_allowed=0 [ 379.366998] ? kasan_check_read+0x11/0x20 [ 379.391979] ? __run_timers+0x7da/0xc70 [ 379.395948] ? trace_hardirqs_off_caller+0x310/0x310 [ 379.401051] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 379.405280] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 379.409506] __run_timers+0x7e5/0xc70 [ 379.413320] ? timer_fixup_init+0x70/0x70 [ 379.417461] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 379.422467] ? zap_class+0x640/0x640 [ 379.426172] ? enqueue_hrtimer+0x1a5/0x560 [ 379.430405] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 379.435595] ? find_held_lock+0x36/0x1c0 [ 379.439655] ? zap_class+0x640/0x640 [ 379.443372] ? pvclock_read_flags+0x160/0x160 [ 379.447889] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.453424] ? check_preemption_disabled+0x48/0x280 [ 379.458440] ? __lock_is_held+0xb5/0x140 [ 379.462496] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.468030] ? check_preemption_disabled+0x48/0x280 [ 379.473043] run_timer_softirq+0x52/0xb0 [ 379.477097] ? rcu_read_lock_sched_held+0x14f/0x180 [ 379.482110] __do_softirq+0x308/0xb7e [ 379.485907] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 379.490403] ? lock_downgrade+0x900/0x900 [ 379.494550] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 379.499652] ? pvclock_read_flags+0x160/0x160 [ 379.504140] ? lapic_next_event+0x5a/0x90 [ 379.508285] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.514328] ? kvm_clock_read+0x18/0x30 [ 379.518295] ? kvm_sched_clock_read+0x9/0x20 [ 379.522703] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.528234] ? check_preemption_disabled+0x48/0x280 [ 379.533252] irq_exit+0x17f/0x1c0 [ 379.536703] smp_apic_timer_interrupt+0x1cb/0x760 [ 379.541547] ? smp_reschedule_interrupt+0x109/0x650 [ 379.546553] ? smp_call_function_single_interrupt+0x650/0x650 [ 379.552431] ? interrupt_entry+0xb5/0xc0 [ 379.556492] ? trace_hardirqs_off_caller+0xbb/0x310 [ 379.561499] ? trace_hardirqs_off_caller+0xbb/0x310 [ 379.566512] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 379.571347] ? trace_hardirqs_on_caller+0x310/0x310 [ 379.576373] ? trace_hardirqs_on_caller+0x310/0x310 [ 379.581404] ? task_prio+0x50/0x50 [ 379.584943] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.590474] ? check_preemption_disabled+0x48/0x280 [ 379.595492] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 379.600333] apic_timer_interrupt+0xf/0x20 [ 379.604555] [ 379.606805] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 379.611729] Code: 7e 0f 85 cf fe ff ff e8 f6 d7 3f ff e9 c5 fe ff ff e8 4d a2 c3 ff 48 83 3d a5 50 91 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 6a b1 [ 379.630640] RSP: 0000:ffff88019c63f740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 379.638342] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 379.645617] RDX: 0000000000000000 RSI: ffff8801929e68c0 RDI: 0000000000000286 [ 379.653207] RBP: ffff88019c63f7a8 R08: ffff8801929e6040 R09: 0000000000000000 [ 379.660471] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 379.667730] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020 [ 379.675142] skb_clone+0x1bb/0x500 [ 379.678696] ? finish_task_switch+0x2f4/0x910 [ 379.683460] ? skb_split+0x11e0/0x11e0 [ 379.687350] ? preempt_notifier_register+0x200/0x200 [ 379.692459] ? __switch_to_asm+0x34/0x70 [ 379.696514] ? __switch_to_asm+0x34/0x70 [ 379.700570] ? __switch_to_asm+0x40/0x70 [ 379.704622] ? __switch_to_asm+0x34/0x70 [ 379.708678] ? __switch_to_asm+0x40/0x70 [ 379.712728] ? __switch_to_asm+0x34/0x70 [ 379.716779] ? __switch_to_asm+0x40/0x70 [ 379.720834] ? __switch_to_asm+0x34/0x70 [ 379.724889] ? __switch_to_asm+0x34/0x70 [ 379.728944] ? __switch_to_asm+0x40/0x70 [ 379.732999] ? __switch_to_asm+0x34/0x70 [ 379.737068] bpf_clone_redirect+0xb9/0x490 [ 379.741297] ? __schedule+0x8d7/0x21d0 [ 379.745180] bpf_prog_bebbfe2050753572+0x325/0x1000 [ 379.750188] ? __sched_text_start+0x8/0x8 [ 379.754341] ? find_held_lock+0x36/0x1c0 [ 379.758414] ? lock_acquire+0x1ed/0x520 [ 379.762408] ? bpf_test_run+0x3cb/0x780 [ 379.766402] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.771936] ? check_preemption_disabled+0x48/0x280 [ 379.776955] ? kasan_check_read+0x11/0x20 [ 379.781104] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 379.786391] ? rcu_softirq_qs+0x20/0x20 [ 379.790381] ? preempt_schedule+0x4d/0x60 [ 379.794524] ? ___preempt_schedule+0x16/0x18 [ 379.798943] ? bpf_test_run+0x25d/0x780 [ 379.802934] ? netlink_diag_dump+0x2a0/0x2a0 [ 379.807338] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 379.812879] ? bpf_test_init.isra.10+0x70/0x100 [ 379.817548] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 379.822304] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 379.827135] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 379.832668] ? fput+0x130/0x1a0 [ 379.835942] ? __bpf_prog_get+0x9b/0x290 [ 379.839998] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 379.844835] ? bpf_prog_test_run+0x130/0x1a0 [ 379.849237] ? __x64_sys_bpf+0x3d8/0x520 [ 379.853299] ? bpf_prog_get+0x20/0x20 [ 379.857110] ? do_syscall_64+0x1b9/0x820 [ 379.861167] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 379.866522] ? syscall_return_slowpath+0x5e0/0x5e0 [ 379.871446] ? trace_hardirqs_on_caller+0x310/0x310 [ 379.876456] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 379.881488] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 379.888149] ? __switch_to_asm+0x40/0x70 [ 379.892203] ? __switch_to_asm+0x34/0x70 [ 379.896265] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 379.901111] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 379.906498] CPU: 1 PID: 5375 Comm: syz-fuzzer Not tainted 4.19.0+ #72 [ 379.906568] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 379.913082] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 379.913087] Call Trace: [ 379.913092] [ 379.913108] dump_stack+0x244/0x39d [ 379.913126] ? dump_stack_print_info.cold.1+0x20/0x20 [ 379.919673] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 379.928967] warn_alloc.cold.117+0xb7/0x1bd [ 379.931518] syz-executor0 cpuset= [ 379.933653] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 379.937249] syz0 [ 379.942424] ? lock_downgrade+0x900/0x900 [ 379.952883] mems_allowed=0 [ 379.957195] ? trace_hardirqs_off+0xb8/0x310 [ 379.978830] ? trace_hardirqs_off+0xb8/0x310 [ 379.983240] __alloc_pages_slowpath+0x2660/0x2d70 [ 379.988098] ? warn_alloc+0x120/0x120 [ 379.991896] ? warn_alloc+0x120/0x120 [ 379.995696] ? print_usage_bug+0xc0/0xc0 [ 379.999749] ? warn_alloc+0x120/0x120 [ 380.003544] ? print_usage_bug+0xc0/0xc0 [ 380.007598] ? __lock_acquire+0x62f/0x4c20 [ 380.011913] ? __lock_acquire+0x62f/0x4c20 [ 380.016144] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 380.021672] ? should_fail+0x22d/0xd01 [ 380.025558] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 380.030652] ? __lock_acquire+0x62f/0x4c20 [ 380.034883] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 380.039987] ? __lock_acquire+0x62f/0x4c20 [ 380.044243] ? should_fail+0x22d/0xd01 [ 380.048122] ? find_held_lock+0x36/0x1c0 [ 380.052200] ? mark_held_locks+0x130/0x130 [ 380.056436] ? mark_held_locks+0x130/0x130 [ 380.060663] ? zap_class+0x640/0x640 [ 380.064368] ? zap_class+0x640/0x640 [ 380.068086] ? print_usage_bug+0xc0/0xc0 [ 380.072136] ? do_raw_spin_unlock+0xa7/0x330 [ 380.076536] ? zap_class+0x640/0x640 [ 380.080244] ? print_usage_bug+0xc0/0xc0 [ 380.084306] ? wq_watchdog_touch+0x9c/0xfe [ 380.088541] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.094069] ? check_preemption_disabled+0x48/0x280 [ 380.099085] ? __lock_is_held+0xb5/0x140 [ 380.103153] __alloc_pages_nodemask+0xa80/0xde0 [ 380.107816] ? zap_class+0x640/0x640 [ 380.111536] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 380.116575] ? find_held_lock+0x36/0x1c0 [ 380.120638] ? ____cache_alloc_node+0x1c7/0x1e0 [ 380.125302] ? lock_downgrade+0x900/0x900 [ 380.129454] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.134991] cache_grow_begin+0xa5/0x8c0 [ 380.139046] ? do_raw_spin_unlock+0xa7/0x330 [ 380.143459] fallback_alloc+0x204/0x2e0 [ 380.147442] ____cache_alloc_node+0x1c7/0x1e0 [ 380.151934] kmem_cache_alloc_node+0xe3/0x730 [ 380.156441] ? ipv6_get_ifaddr+0x42e/0x620 [ 380.160689] __alloc_skb+0x119/0x770 [ 380.164400] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 380.169676] ? netdev_alloc_frag+0x1f0/0x1f0 [ 380.174079] ? lock_downgrade+0x900/0x900 [ 380.178226] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.183758] ? refcount_sub_and_test_checked+0x203/0x310 [ 380.189229] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 380.194675] ? addrconf_rs_timer+0x690/0x690 [ 380.199087] ndisc_alloc_skb+0x144/0x340 [ 380.203150] ndisc_send_rs+0x331/0x6e0 [ 380.207037] addrconf_rs_timer+0x314/0x690 [ 380.211275] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.215513] call_timer_fn+0x272/0x920 [ 380.219393] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.223622] ? process_timeout+0x40/0x40 [ 380.227685] ? mark_held_locks+0xc7/0x130 [ 380.231854] ? _raw_spin_unlock_irq+0x27/0x80 [ 380.236349] ? _raw_spin_unlock_irq+0x27/0x80 [ 380.240841] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.245070] ? lockdep_hardirqs_on+0x296/0x5b0 [ 380.249649] ? trace_hardirqs_on+0xbd/0x310 [ 380.253984] ? kasan_check_read+0x11/0x20 [ 380.258131] ? __run_timers+0x7da/0xc70 [ 380.262102] ? trace_hardirqs_off_caller+0x310/0x310 [ 380.267216] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.271449] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.275679] __run_timers+0x7e5/0xc70 [ 380.279477] ? rcu_irq_exit+0x1a2/0x390 [ 380.283453] ? timer_fixup_init+0x70/0x70 [ 380.287594] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.293123] ? check_preemption_disabled+0x48/0x280 [ 380.298143] ? mark_held_locks+0xc7/0x130 [ 380.302283] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 380.307301] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 380.312061] ? retint_kernel+0x2d/0x2d [ 380.315944] ? trace_hardirqs_on_caller+0xc0/0x310 [ 380.320870] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 380.325618] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 380.331059] ? zap_class+0x640/0x640 [ 380.334785] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.340340] ? check_preemption_disabled+0x48/0x280 [ 380.345356] ? __lock_is_held+0xb5/0x140 [ 380.349412] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.354944] ? check_preemption_disabled+0x48/0x280 [ 380.359969] run_timer_softirq+0x52/0xb0 [ 380.364025] ? rcu_read_lock_sched_held+0x14f/0x180 [ 380.369035] __do_softirq+0x308/0xb7e [ 380.372836] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 380.377333] ? lock_downgrade+0x900/0x900 [ 380.381476] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 380.386579] ? pvclock_read_flags+0x160/0x160 [ 380.391074] ? lapic_next_event+0x5a/0x90 [ 380.395219] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.400754] ? kvm_clock_read+0x18/0x30 [ 380.404724] ? kvm_sched_clock_read+0x9/0x20 [ 380.409138] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.414670] ? check_preemption_disabled+0x48/0x280 [ 380.419688] irq_exit+0x17f/0x1c0 [ 380.423136] smp_apic_timer_interrupt+0x1cb/0x760 [ 380.427973] ? smp_reschedule_interrupt+0x109/0x650 [ 380.432983] ? smp_call_function_single_interrupt+0x650/0x650 [ 380.438861] ? interrupt_entry+0xb5/0xc0 [ 380.442917] ? trace_hardirqs_off_caller+0xbb/0x310 [ 380.447931] ? trace_hardirqs_off_caller+0xbb/0x310 [ 380.452941] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 380.457781] ? trace_hardirqs_on_caller+0x310/0x310 [ 380.462809] ? trace_hardirqs_on_caller+0x310/0x310 [ 380.467826] ? task_prio+0x50/0x50 [ 380.471374] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 380.476903] ? check_preemption_disabled+0x48/0x280 [ 380.481922] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 380.486768] apic_timer_interrupt+0xf/0x20 [ 380.491005] [ 380.493237] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 380.498424] Code: 00 e8 95 31 8e f9 e8 90 e2 bd f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d ea 90 8b 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d c0 90 [ 380.517327] RSP: 0000:ffff8801c4c0e140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 380.525050] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003afce19e [ 380.532318] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d7e70c7c [ 380.539581] RBP: ffff8801c4c0e168 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 380.546863] R10: 0000000000000000 R11: ffff8801d7e70400 R12: dffffc0000000000 [ 380.554132] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478 [ 380.561421] retint_kernel+0x1b/0x2d [ 380.565131] RIP: 0010:dump_stack+0x358/0x39d [ 380.569553] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 91 c1 00 fa 48 83 3d 99 b9 91 01 00 0f 84 63 fe ff ff e8 ee e6 bd f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db e6 bd f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 380.588467] RSP: 0000:ffff8801c4c0e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 380.596171] RAX: ffff8801d7e70400 RBX: 1ffffffff12a3e8e RCX: 1ffff1003afce19e [ 380.603445] RDX: 0000000000000000 RSI: ffffffff87c03ae2 RDI: 0000000000000293 [ 380.610706] RBP: ffff8801c4c0e2c8 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 380.617969] R10: 0000000000000000 R11: ffff8801d7e70400 R12: 1ffff10038981c4c [ 380.625228] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 380.632502] ? dump_stack+0x34f/0x39d [ 380.636316] ? dump_stack_print_info.cold.1+0x20/0x20 [ 380.641515] dump_header+0x27b/0xf72 [ 380.645231] ? mark_held_locks+0x130/0x130 [ 380.649463] ? pagefault_out_of_memory+0x197/0x197 [ 380.654397] ? __lock_acquire+0x62f/0x4c20 [ 380.658623] ? zap_class+0x640/0x640 [ 380.662341] ? percpu_ref_get_many+0x240/0x240 [ 380.666915] ? print_usage_bug+0xc0/0xc0 [ 380.670976] ? print_usage_bug+0xc0/0xc0 [ 380.675036] ? zap_class+0x640/0x640 [ 380.678745] ? print_usage_bug+0xc0/0xc0 [ 380.682820] ? print_usage_bug+0xc0/0xc0 [ 380.686881] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.692416] ? find_held_lock+0x36/0x1c0 [ 380.696478] ? mark_held_locks+0xc7/0x130 [ 380.700625] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 380.705721] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 380.710815] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 380.715391] ? trace_hardirqs_on+0xbd/0x310 [ 380.719705] ? kasan_check_read+0x11/0x20 [ 380.723847] ? ___ratelimit+0x3b4/0x672 [ 380.727817] ? trace_hardirqs_off_caller+0x310/0x310 [ 380.732915] ? trace_hardirqs_on+0x310/0x310 [ 380.737330] ? lock_downgrade+0x900/0x900 [ 380.741491] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 380.746587] ? ___ratelimit+0x3b9/0x672 [ 380.750556] ? idr_get_free+0xec0/0xec0 [ 380.754525] ? find_held_lock+0x36/0x1c0 [ 380.758585] oom_kill_process.cold.27+0x10/0x903 [ 380.763333] ? zap_class+0x640/0x640 [ 380.767041] ? check_preemption_disabled+0x48/0x280 [ 380.772058] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 380.777000] ? kasan_check_read+0x11/0x20 [ 380.781146] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 380.786421] ? oom_evaluate_task+0x540/0x540 [ 380.790842] ? find_held_lock+0x36/0x1c0 [ 380.794909] ? out_of_memory+0x974/0x1430 [ 380.799052] ? lock_downgrade+0x900/0x900 [ 380.803215] ? check_preemption_disabled+0x48/0x280 [ 380.808230] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 380.813153] ? kasan_check_read+0x11/0x20 [ 380.817297] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 380.822571] ? rcu_softirq_qs+0x20/0x20 [ 380.826543] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 380.832074] ? oom_evaluate_task+0x302/0x540 [ 380.836483] out_of_memory+0xa84/0x1430 [ 380.840460] ? oom_killer_disable+0x3a0/0x3a0 [ 380.844948] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 380.849871] ? __mutex_add_waiter+0x2a0/0x2a0 [ 380.854370] __alloc_pages_slowpath+0x22d4/0x2d70 [ 380.859244] ? warn_alloc+0x120/0x120 [ 380.863060] ? rcu_softirq_qs+0x20/0x20 [ 380.867055] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 380.872583] ? should_fail+0x22d/0xd01 [ 380.876469] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 380.881568] ? zap_class+0x640/0x640 [ 380.885302] ? __lock_is_held+0xb5/0x140 [ 380.889363] ? mark_held_locks+0x130/0x130 [ 380.893594] ? lock_release+0xa00/0xa00 [ 380.897559] ? perf_trace_sched_process_exec+0x860/0x860 [ 380.903011] ? __might_sleep+0x95/0x190 [ 380.906995] __alloc_pages_nodemask+0xa80/0xde0 [ 380.911666] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 380.916676] ? __page_cache_alloc+0x191/0x5c0 [ 380.921165] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 380.926085] ? kasan_check_read+0x11/0x20 [ 380.930224] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 380.935499] ? zap_class+0x640/0x640 [ 380.939214] ? zap_class+0x640/0x640 [ 380.942918] ? zap_class+0x640/0x640 [ 380.946628] ? __do_page_cache_readahead+0x7ce/0x980 [ 380.951731] ? find_held_lock+0x36/0x1c0 [ 380.955792] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 380.961328] alloc_pages_current+0x173/0x350 [ 380.965757] __page_cache_alloc+0x38c/0x5c0 [ 380.970074] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 380.974996] ? kasan_check_read+0x11/0x20 [ 380.979138] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 380.984409] ? generic_perform_write+0x6a0/0x6a0 [ 380.989246] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 380.994805] ? check_preemption_disabled+0x48/0x280 [ 380.999829] filemap_fault+0x1594/0x25f0 [ 381.003893] ? __lock_page_or_retry+0xa00/0xa00 [ 381.008557] ? mark_held_locks+0x130/0x130 [ 381.012787] ? rcu_softirq_qs+0x20/0x20 [ 381.016773] ? filemap_map_pages+0xe04/0x1990 [ 381.021282] ? __free_object+0x173/0x340 [ 381.025343] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 381.030268] ? trace_hardirqs_off_caller+0x310/0x310 [ 381.035367] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 381.040039] ? debug_object_free+0x32d/0x690 [ 381.044437] ? kasan_check_read+0x11/0x20 [ 381.048583] ? debug_object_destroy+0x2b0/0x2b0 [ 381.053245] ? lock_pi_update_atomic+0x150/0x150 [ 381.058020] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.063548] ? __hrtimer_init+0xdb/0x240 [ 381.067610] ? lock_acquire+0x1ed/0x520 [ 381.071586] ? ext4_filemap_fault+0x7a/0xad [ 381.075904] ? lock_release+0xa00/0xa00 [ 381.079867] ? perf_trace_sched_process_exec+0x860/0x860 [ 381.085310] ? print_usage_bug+0xc0/0xc0 [ 381.089368] ? print_usage_bug+0xc0/0xc0 [ 381.093428] ? down_read+0x8d/0x120 [ 381.097052] ? ext4_filemap_fault+0x7a/0xad [ 381.101366] ? __down_interruptible+0x700/0x700 [ 381.106037] ext4_filemap_fault+0x82/0xad [ 381.110184] __do_fault+0x100/0x6b0 [ 381.113811] ? pmd_devmap_trans_unstable+0x220/0x220 [ 381.118916] ? mark_held_locks+0x130/0x130 [ 381.123146] ? mark_held_locks+0x130/0x130 [ 381.127391] ? debug_smp_processor_id+0x1c/0x20 [ 381.132060] ? perf_trace_lock+0x14d/0x7a0 [ 381.136292] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 381.141830] __handle_mm_fault+0x307c/0x5920 [ 381.146251] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 381.151087] ? lock_is_held_type+0x210/0x210 [ 381.155512] ? zap_class+0x640/0x640 [ 381.159216] ? zap_class+0x640/0x640 [ 381.162931] ? __x64_sys_futex+0x53e/0x6a0 [ 381.167167] ? find_held_lock+0x36/0x1c0 [ 381.171231] ? handle_mm_fault+0x42a/0xc70 [ 381.175470] ? lock_downgrade+0x900/0x900 [ 381.179615] ? check_preemption_disabled+0x48/0x280 [ 381.184640] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 381.189560] ? kasan_check_read+0x11/0x20 [ 381.193713] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 381.199010] ? rcu_softirq_qs+0x20/0x20 [ 381.202979] ? trace_hardirqs_off_caller+0x310/0x310 [ 381.208076] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 381.213614] ? check_preemption_disabled+0x48/0x280 [ 381.218629] handle_mm_fault+0x54f/0xc70 [ 381.222705] ? __handle_mm_fault+0x5920/0x5920 [ 381.227290] ? find_vma+0x34/0x190 [ 381.230830] __do_page_fault+0x5e8/0xe60 [ 381.234886] ? trace_hardirqs_off+0xb8/0x310 [ 381.239285] ? __ia32_sys_read+0xb0/0xb0 [ 381.243348] do_page_fault+0xf2/0x7e0 [ 381.247144] ? vmalloc_sync_all+0x30/0x30 [ 381.251284] ? error_entry+0x70/0xd0 [ 381.254991] ? trace_hardirqs_off_caller+0xbb/0x310 [ 381.260000] ? trace_hardirqs_on_caller+0xc0/0x310 [ 381.264925] ? syscall_return_slowpath+0x5e0/0x5e0 [ 381.269845] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 381.274681] ? trace_hardirqs_on_caller+0x310/0x310 [ 381.279689] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 381.285137] ? prepare_exit_to_usermode+0x291/0x3b0 [ 381.290145] ? page_fault+0x8/0x30 [ 381.293681] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 381.298518] ? page_fault+0x8/0x30 [ 381.302055] page_fault+0x1e/0x30 [ 381.305503] RIP: 0033:0x45ddf3 [ 381.308695] Code: Bad RIP value. [ 381.312051] RSP: 002b:000000c4200206a0 EFLAGS: 00010206 [ 381.317409] RAX: ffffffffffffff92 RBX: 000000003b974269 RCX: 000000000045ddf3 [ 381.324680] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e1060 [ 381.331942] RBP: 000000c4200206e8 R08: 0000000000000000 R09: 0000000000000000 [ 381.339203] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001 [ 381.346478] R13: 0000000000000007 R14: 0000000000b7f720 R15: 000000000000bdf9 [ 381.353772] CPU: 0 PID: 17787 Comm: syz-executor0 Not tainted 4.19.0+ #72 [ 381.353776] warn_alloc_show_mem: 1 callbacks suppressed [ 381.353782] Mem-Info: [ 381.360697] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 381.360703] Call Trace: [ 381.366066] active_anon:46452 inactive_anon:2315 isolated_anon:0 [ 381.366066] active_file:13 inactive_file:13 isolated_file:0 [ 381.366066] unevictable:0 dirty:0 writeback:0 unstable:0 [ 381.366066] slab_reclaimable:9341 slab_unreclaimable:1470635 [ 381.366066] mapped:24578 shmem:7010 pagetables:528 bounce:0 [ 381.366066] free:13753 free_pcp:603 free_cma:0 [ 381.368433] [ 381.377784] Node 0 active_anon:185808kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:28040kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 381.380352] dump_stack+0x244/0x39d [ 381.413374] Node 0 [ 381.415512] ? dump_stack_print_info.cold.1+0x20/0x20 [ 381.443087] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 381.446689] warn_alloc.cold.117+0xb7/0x1bd [ 381.448885] lowmem_reserve[]: 0 [ 381.454068] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 381.479534] 2818 [ 381.483845] ? lock_downgrade+0x900/0x900 [ 381.487087] 6321 6321 [ 381.491936] ? trace_hardirqs_off+0xb8/0x310 [ 381.493968] Node 0 [ 381.498103] ? trace_hardirqs_off+0xb8/0x310 [ 381.500595] DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 381.504972] __alloc_pages_slowpath+0x2660/0x2d70 [ 381.507171] lowmem_reserve[]: 0 [ 381.512098] ? warn_alloc+0x120/0x120 [ 381.539026] 0 [ 381.543867] ? warn_alloc+0x120/0x120 [ 381.547108] 3503 3503 [ 381.550903] ? print_usage_bug+0xc0/0xc0 [ 381.552680] Node 0 [ 381.556467] ? warn_alloc+0x120/0x120 [ 381.558957] Normal free:13924kB min:37364kB low:46704kB high:56044kB active_anon:183760kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5536kB pagetables:2112kB bounce:0kB free_pcp:2164kB local_pcp:1336kB free_cma:0kB [ 381.562985] ? print_usage_bug+0xc0/0xc0 [ 381.565186] lowmem_reserve[]: 0 [ 381.568989] ? __lock_acquire+0x62f/0x4c20 [ 381.597491] 0 0 [ 381.601546] ? __lock_acquire+0x62f/0x4c20 [ 381.604789] 0 [ 381.609014] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 381.610962] Node 0 [ 381.615180] ? should_fail+0x22d/0xd01 [ 381.616947] DMA: 1*4kB [ 381.622486] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 381.624693] (U) [ 381.628570] ? __lock_acquire+0x62f/0x4c20 [ 381.631126] 0*8kB 0*16kB [ 381.636228] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 381.638183] 1*32kB (U) [ 381.642416] ? __lock_acquire+0x62f/0x4c20 [ 381.645140] 2*64kB (U) [ 381.650236] ? should_fail+0x22d/0xd01 [ 381.652790] 1*128kB (U) [ 381.657026] ? find_held_lock+0x36/0x1c0 [ 381.659579] 1*256kB (U) [ 381.663464] ? mark_held_locks+0x130/0x130 [ 381.666097] 0*512kB 1*1024kB [ 381.670147] ? mark_held_locks+0x130/0x130 [ 381.672788] (U) [ 381.677007] ? zap_class+0x640/0x640 [ 381.680581] 1*2048kB (M) [ 381.684812] ? zap_class+0x640/0x640 [ 381.686752] 3*4096kB (M) [ 381.690457] ? print_usage_bug+0xc0/0xc0 [ 381.693184] = 15908kB [ 381.693191] Node 0 [ 381.696896] ? do_raw_spin_unlock+0xa7/0x330 [ 381.699641] DMA32: [ 381.703691] ? zap_class+0x640/0x640 [ 381.706085] 5*4kB [ 381.708308] ? print_usage_bug+0xc0/0xc0 [ 381.712682] (UM) [ 381.714905] ? wq_watchdog_touch+0x9c/0xfe [ 381.718586] 1*8kB [ 381.720723] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.724749] (H) 2*16kB [ 381.726803] ? check_preemption_disabled+0x48/0x280 [ 381.731000] (M) [ 381.733137] ? __lock_is_held+0xb5/0x140 [ 381.738638] 3*32kB [ 381.741218] __alloc_pages_nodemask+0xa80/0xde0 [ 381.746199] (M) 3*64kB [ 381.748171] ? zap_class+0x640/0x640 [ 381.752203] (MH) 4*128kB [ 381.754440] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 381.759073] (M) 5*256kB [ 381.761658] ? find_held_lock+0x36/0x1c0 [ 381.765337] (UMH) [ 381.768090] ? ____cache_alloc_node+0x1c7/0x1e0 [ 381.773064] 5*512kB (UMH) [ 381.775727] ? lock_downgrade+0x900/0x900 [ 381.779839] 4*1024kB (UMH) [ 381.781983] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.786613] 2*2048kB (UM) [ 381.789450] cache_grow_begin+0xa5/0x8c0 [ 381.793566] 3*4096kB (M) [ 381.796487] ? do_raw_spin_unlock+0xa7/0x330 [ 381.801992] = 25180kB [ 381.801999] Node 0 [ 381.804836] fallback_alloc+0x204/0x2e0 [ 381.808861] Normal: 1917*4kB [ 381.811617] ____cache_alloc_node+0x1c7/0x1e0 [ 381.815992] (UME) [ 381.818392] kmem_cache_alloc_node+0xe3/0x730 [ 381.820608] 392*8kB (UME) [ 381.824575] ? ipv6_get_ifaddr+0x42e/0x620 [ 381.827643] 105*16kB (UME) [ 381.832134] __alloc_skb+0x119/0x770 [ 381.834251] 43*32kB (UM) [ 381.838753] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 381.841567] 1*64kB [ 381.845785] ? netdev_alloc_frag+0x1f0/0x1f0 [ 381.848684] (U) [ 381.852386] ? lock_downgrade+0x900/0x900 [ 381.855109] 0*128kB 0*256kB [ 381.860379] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.862586] 0*512kB [ 381.866978] ? refcount_sub_and_test_checked+0x203/0x310 [ 381.868935] 0*1024kB 0*2048kB [ 381.873090] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 381.876071] 0*4096kB = 13924kB [ 381.881593] ? addrconf_rs_timer+0x690/0x690 [ 381.883893] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 381.889329] ndisc_alloc_skb+0x144/0x340 [ 381.892491] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 381.897921] ndisc_send_rs+0x331/0x6e0 [ 381.901086] 7036 total pagecache pages [ 381.905481] addrconf_rs_timer+0x314/0x690 [ 381.914310] 0 pages in swap cache [ 381.918351] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.926911] Swap cache stats: add 0, delete 0, find 0/0 [ 381.930787] call_timer_fn+0x272/0x920 [ 381.934640] Free swap = 0kB [ 381.938944] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.942365] Total swap = 0kB [ 381.946583] ? process_timeout+0x40/0x40 [ 381.951917] 1965979 pages RAM [ 381.955794] ? __run_timers+0x7da/0xc70 [ 381.958775] 0 pages HighMem/MovableOnly [ 381.958799] 342867 pages reserved [ 381.963018] ? _raw_spin_unlock_irq+0x27/0x80 [ 381.966016] 0 pages cma reserved [ 381.970061] ? _raw_spin_unlock_irq+0x27/0x80 [ 381.973202] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 381.977085] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.977100] ? lockdep_hardirqs_on+0x296/0x5b0 [ 381.981098] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 381.984488] ? trace_hardirqs_on+0xbd/0x310 [ 381.988955] syz-fuzzer cpuset= [ 381.992304] ? kasan_check_read+0x11/0x20 [ 381.996767] / [ 382.003258] ? __run_timers+0x7da/0xc70 [ 382.007465] mems_allowed=0 [ 382.012027] ? trace_hardirqs_off_caller+0x310/0x310 [ 382.047481] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 382.051715] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 382.055942] __run_timers+0x7e5/0xc70 [ 382.059747] ? timer_fixup_init+0x70/0x70 [ 382.063892] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 382.068902] ? zap_class+0x640/0x640 [ 382.072631] ? enqueue_hrtimer+0x1a5/0x560 [ 382.076857] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 382.082061] ? find_held_lock+0x36/0x1c0 [ 382.086118] ? zap_class+0x640/0x640 [ 382.089833] ? pvclock_read_flags+0x160/0x160 [ 382.094328] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.099857] ? check_preemption_disabled+0x48/0x280 [ 382.104873] ? __lock_is_held+0xb5/0x140 [ 382.108933] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.114484] ? check_preemption_disabled+0x48/0x280 [ 382.119501] run_timer_softirq+0x52/0xb0 [ 382.123552] ? rcu_read_lock_sched_held+0x14f/0x180 [ 382.128560] __do_softirq+0x308/0xb7e [ 382.132358] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 382.136844] ? lock_downgrade+0x900/0x900 [ 382.141000] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 382.146119] ? pvclock_read_flags+0x160/0x160 [ 382.150614] ? lapic_next_event+0x5a/0x90 [ 382.154757] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.160293] ? kvm_clock_read+0x18/0x30 [ 382.164264] ? kvm_sched_clock_read+0x9/0x20 [ 382.168669] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.174201] ? check_preemption_disabled+0x48/0x280 [ 382.179218] irq_exit+0x17f/0x1c0 [ 382.182666] smp_apic_timer_interrupt+0x1cb/0x760 [ 382.187501] ? smp_reschedule_interrupt+0x109/0x650 [ 382.192510] ? smp_call_function_single_interrupt+0x650/0x650 [ 382.198390] ? interrupt_entry+0xb5/0xc0 [ 382.202444] ? trace_hardirqs_off_caller+0xbb/0x310 [ 382.207456] ? trace_hardirqs_off_caller+0xbb/0x310 [ 382.212471] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 382.217330] ? trace_hardirqs_on_caller+0x310/0x310 [ 382.222341] ? trace_hardirqs_on_caller+0x310/0x310 [ 382.227350] ? task_prio+0x50/0x50 [ 382.230888] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.236431] ? check_preemption_disabled+0x48/0x280 [ 382.241445] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 382.246288] apic_timer_interrupt+0xf/0x20 [ 382.250509] [ 382.252745] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 382.257687] Code: 7e 0f 85 cf fe ff ff e8 f6 d7 3f ff e9 c5 fe ff ff e8 4d a2 c3 ff 48 83 3d a5 50 91 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 6a b1 [ 382.276579] RSP: 0000:ffff88019c63f740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 382.284280] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 382.291540] RDX: 0000000000000000 RSI: ffff8801929e68c0 RDI: 0000000000000286 [ 382.298818] RBP: ffff88019c63f7a8 R08: ffff8801929e6040 R09: 0000000000000000 [ 382.306079] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 382.313339] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020 [ 382.320629] skb_clone+0x1bb/0x500 [ 382.324173] ? finish_task_switch+0x2f4/0x910 [ 382.328700] ? skb_split+0x11e0/0x11e0 [ 382.332584] ? preempt_notifier_register+0x200/0x200 [ 382.337678] ? __switch_to_asm+0x34/0x70 [ 382.341730] ? __switch_to_asm+0x34/0x70 [ 382.345779] ? __switch_to_asm+0x40/0x70 [ 382.349829] ? __switch_to_asm+0x34/0x70 [ 382.353882] ? __switch_to_asm+0x40/0x70 [ 382.357952] ? __switch_to_asm+0x34/0x70 [ 382.362013] ? __switch_to_asm+0x40/0x70 [ 382.366064] ? __switch_to_asm+0x34/0x70 [ 382.370116] ? __switch_to_asm+0x34/0x70 [ 382.374183] ? __switch_to_asm+0x40/0x70 [ 382.378238] ? __switch_to_asm+0x34/0x70 [ 382.382298] bpf_clone_redirect+0xb9/0x490 [ 382.386525] ? __schedule+0x8d7/0x21d0 [ 382.390411] bpf_prog_bebbfe2050753572+0x325/0x1000 [ 382.395434] ? __sched_text_start+0x8/0x8 [ 382.399583] ? find_held_lock+0x36/0x1c0 [ 382.403644] ? lock_acquire+0x1ed/0x520 [ 382.407631] ? bpf_test_run+0x3cb/0x780 [ 382.411600] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.417130] ? check_preemption_disabled+0x48/0x280 [ 382.422165] ? kasan_check_read+0x11/0x20 [ 382.426397] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 382.431669] ? rcu_softirq_qs+0x20/0x20 [ 382.435640] ? preempt_schedule+0x4d/0x60 [ 382.439781] ? ___preempt_schedule+0x16/0x18 [ 382.444190] ? bpf_test_run+0x25d/0x780 [ 382.448179] ? netlink_diag_dump+0x2a0/0x2a0 [ 382.452581] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 382.458114] ? bpf_test_init.isra.10+0x70/0x100 [ 382.462791] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 382.467553] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 382.472391] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 382.477920] ? fput+0x130/0x1a0 [ 382.481199] ? __bpf_prog_get+0x9b/0x290 [ 382.485259] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 382.490105] ? bpf_prog_test_run+0x130/0x1a0 [ 382.494518] ? __x64_sys_bpf+0x3d8/0x520 [ 382.498574] ? bpf_prog_get+0x20/0x20 [ 382.502389] ? do_syscall_64+0x1b9/0x820 [ 382.506449] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 382.511811] ? syscall_return_slowpath+0x5e0/0x5e0 [ 382.516736] ? trace_hardirqs_on_caller+0x310/0x310 [ 382.521744] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 382.526755] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 382.533420] ? __switch_to_asm+0x40/0x70 [ 382.537483] ? __switch_to_asm+0x34/0x70 [ 382.541543] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 382.546386] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 382.551761] CPU: 1 PID: 5375 Comm: syz-fuzzer Not tainted 4.19.0+ #72 [ 382.551823] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 382.558337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 382.558341] Call Trace: [ 382.558346] [ 382.558360] dump_stack+0x244/0x39d [ 382.558378] ? dump_stack_print_info.cold.1+0x20/0x20 [ 382.565016] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 382.574194] warn_alloc.cold.117+0xb7/0x1bd [ 382.576743] syz-executor0 cpuset= [ 382.578880] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 382.582478] syz0 [ 382.587653] ? lock_downgrade+0x900/0x900 [ 382.598109] mems_allowed=0 [ 382.602427] ? trace_hardirqs_off+0xb8/0x310 [ 382.624163] ? trace_hardirqs_off+0xb8/0x310 [ 382.628577] __alloc_pages_slowpath+0x2660/0x2d70 [ 382.633442] ? warn_alloc+0x120/0x120 [ 382.637239] ? warn_alloc+0x120/0x120 [ 382.641036] ? print_usage_bug+0xc0/0xc0 [ 382.645091] ? warn_alloc+0x120/0x120 [ 382.648894] ? print_usage_bug+0xc0/0xc0 [ 382.652953] ? __lock_acquire+0x62f/0x4c20 [ 382.657180] ? __lock_acquire+0x62f/0x4c20 [ 382.661423] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 382.666978] ? should_fail+0x22d/0xd01 [ 382.670866] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 382.675961] ? __lock_acquire+0x62f/0x4c20 [ 382.680194] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 382.685288] ? __lock_acquire+0x62f/0x4c20 [ 382.689515] ? should_fail+0x22d/0xd01 [ 382.693402] ? find_held_lock+0x36/0x1c0 [ 382.697482] ? mark_held_locks+0x130/0x130 [ 382.701830] ? mark_held_locks+0x130/0x130 [ 382.706056] ? zap_class+0x640/0x640 [ 382.709762] ? zap_class+0x640/0x640 [ 382.713473] ? print_usage_bug+0xc0/0xc0 [ 382.717524] ? do_raw_spin_unlock+0xa7/0x330 [ 382.721927] ? zap_class+0x640/0x640 [ 382.725638] ? print_usage_bug+0xc0/0xc0 [ 382.729695] ? wq_watchdog_touch+0x9c/0xfe [ 382.733926] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.739456] ? check_preemption_disabled+0x48/0x280 [ 382.744475] ? __lock_is_held+0xb5/0x140 [ 382.748535] __alloc_pages_nodemask+0xa80/0xde0 [ 382.753198] ? zap_class+0x640/0x640 [ 382.756910] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 382.761933] ? find_held_lock+0x36/0x1c0 [ 382.765998] ? ____cache_alloc_node+0x1c7/0x1e0 [ 382.770663] ? lock_downgrade+0x900/0x900 [ 382.774812] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.780346] cache_grow_begin+0xa5/0x8c0 [ 382.784399] ? do_raw_spin_unlock+0xa7/0x330 [ 382.788808] fallback_alloc+0x204/0x2e0 [ 382.792783] ____cache_alloc_node+0x1c7/0x1e0 [ 382.797278] kmem_cache_alloc_node+0xe3/0x730 [ 382.801767] ? ipv6_get_ifaddr+0x42e/0x620 [ 382.806006] __alloc_skb+0x119/0x770 [ 382.809730] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 382.815006] ? netdev_alloc_frag+0x1f0/0x1f0 [ 382.819407] ? lock_downgrade+0x900/0x900 [ 382.823558] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.829092] ? refcount_sub_and_test_checked+0x203/0x310 [ 382.834546] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 382.839990] ? addrconf_rs_timer+0x690/0x690 [ 382.844403] ndisc_alloc_skb+0x144/0x340 [ 382.848466] ndisc_send_rs+0x331/0x6e0 [ 382.852360] addrconf_rs_timer+0x314/0x690 [ 382.856599] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 382.860845] call_timer_fn+0x272/0x920 [ 382.864724] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 382.868957] ? process_timeout+0x40/0x40 [ 382.873020] ? mark_held_locks+0xc7/0x130 [ 382.877166] ? _raw_spin_unlock_irq+0x27/0x80 [ 382.881653] ? _raw_spin_unlock_irq+0x27/0x80 [ 382.886150] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 382.890381] ? lockdep_hardirqs_on+0x296/0x5b0 [ 382.894959] ? trace_hardirqs_on+0xbd/0x310 [ 382.899272] ? kasan_check_read+0x11/0x20 [ 382.903415] ? __run_timers+0x7da/0xc70 [ 382.907387] ? trace_hardirqs_off_caller+0x310/0x310 [ 382.912487] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 382.916719] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 382.920948] __run_timers+0x7e5/0xc70 [ 382.924744] ? rcu_irq_exit+0x1a2/0x390 [ 382.928725] ? timer_fixup_init+0x70/0x70 [ 382.932868] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.938399] ? check_preemption_disabled+0x48/0x280 [ 382.943431] ? mark_held_locks+0xc7/0x130 [ 382.947576] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 382.952593] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 382.957351] ? retint_kernel+0x2d/0x2d [ 382.961241] ? trace_hardirqs_on_caller+0xc0/0x310 [ 382.966166] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 382.970921] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 382.976367] ? zap_class+0x640/0x640 [ 382.980084] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.985631] ? check_preemption_disabled+0x48/0x280 [ 382.990663] ? __lock_is_held+0xb5/0x140 [ 382.994715] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.000248] ? check_preemption_disabled+0x48/0x280 [ 383.005267] run_timer_softirq+0x52/0xb0 [ 383.009319] ? rcu_read_lock_sched_held+0x14f/0x180 [ 383.014331] __do_softirq+0x308/0xb7e [ 383.018146] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 383.022631] ? lock_downgrade+0x900/0x900 [ 383.026775] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 383.031896] ? pvclock_read_flags+0x160/0x160 [ 383.036390] ? lapic_next_event+0x5a/0x90 [ 383.040530] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.046064] ? kvm_clock_read+0x18/0x30 [ 383.050037] ? kvm_sched_clock_read+0x9/0x20 [ 383.054440] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.059969] ? check_preemption_disabled+0x48/0x280 [ 383.064986] irq_exit+0x17f/0x1c0 [ 383.068434] smp_apic_timer_interrupt+0x1cb/0x760 [ 383.073273] ? smp_reschedule_interrupt+0x109/0x650 [ 383.078285] ? smp_call_function_single_interrupt+0x650/0x650 [ 383.084173] ? interrupt_entry+0xb5/0xc0 [ 383.088227] ? trace_hardirqs_off_caller+0xbb/0x310 [ 383.093236] ? trace_hardirqs_off_caller+0xbb/0x310 [ 383.098250] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 383.103095] ? trace_hardirqs_on_caller+0x310/0x310 [ 383.108119] ? trace_hardirqs_on_caller+0x310/0x310 [ 383.113130] ? task_prio+0x50/0x50 [ 383.116665] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 383.122200] ? check_preemption_disabled+0x48/0x280 [ 383.127217] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 383.132061] apic_timer_interrupt+0xf/0x20 [ 383.136286] [ 383.138517] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 383.143701] Code: 00 e8 95 31 8e f9 e8 90 e2 bd f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d ea 90 8b 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d c0 90 [ 383.162678] RSP: 0000:ffff8801c4c0e140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 383.170386] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003afce19e [ 383.177663] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d7e70c7c [ 383.184923] RBP: ffff8801c4c0e168 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 383.192183] R10: 0000000000000000 R11: ffff8801d7e70400 R12: dffffc0000000000 [ 383.199460] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478 [ 383.206749] retint_kernel+0x1b/0x2d [ 383.210459] RIP: 0010:dump_stack+0x358/0x39d [ 383.214864] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 91 c1 00 fa 48 83 3d 99 b9 91 01 00 0f 84 63 fe ff ff e8 ee e6 bd f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db e6 bd f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 383.233754] RSP: 0000:ffff8801c4c0e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 383.241455] RAX: ffff8801d7e70400 RBX: 1ffffffff12a3e8e RCX: 1ffff1003afce19e [ 383.248716] RDX: 0000000000000000 RSI: ffffffff87c03ae2 RDI: 0000000000000293 [ 383.255988] RBP: ffff8801c4c0e2c8 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 383.263268] R10: 0000000000000000 R11: ffff8801d7e70400 R12: 1ffff10038981c4c [ 383.270530] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 383.277807] ? dump_stack+0x34f/0x39d [ 383.281612] ? dump_stack_print_info.cold.1+0x20/0x20 [ 383.286807] dump_header+0x27b/0xf72 [ 383.290521] ? mark_held_locks+0x130/0x130 [ 383.294750] ? pagefault_out_of_memory+0x197/0x197 [ 383.299684] ? __lock_acquire+0x62f/0x4c20 [ 383.303909] ? zap_class+0x640/0x640 [ 383.307622] ? percpu_ref_get_many+0x240/0x240 [ 383.312197] ? print_usage_bug+0xc0/0xc0 [ 383.316252] ? print_usage_bug+0xc0/0xc0 [ 383.320313] ? zap_class+0x640/0x640 [ 383.324021] ? print_usage_bug+0xc0/0xc0 [ 383.328085] ? print_usage_bug+0xc0/0xc0 [ 383.332148] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.337772] ? find_held_lock+0x36/0x1c0 [ 383.341831] ? mark_held_locks+0xc7/0x130 [ 383.345980] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 383.351085] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 383.356195] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 383.360781] ? trace_hardirqs_on+0xbd/0x310 [ 383.365098] ? kasan_check_read+0x11/0x20 [ 383.369240] ? ___ratelimit+0x3b4/0x672 [ 383.373215] ? trace_hardirqs_off_caller+0x310/0x310 [ 383.378315] ? trace_hardirqs_on+0x310/0x310 [ 383.382739] ? lock_downgrade+0x900/0x900 [ 383.386887] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 383.391986] ? ___ratelimit+0x3b9/0x672 [ 383.395973] ? idr_get_free+0xec0/0xec0 [ 383.399939] ? find_held_lock+0x36/0x1c0 [ 383.404002] oom_kill_process.cold.27+0x10/0x903 [ 383.408749] ? zap_class+0x640/0x640 [ 383.412472] ? check_preemption_disabled+0x48/0x280 [ 383.417488] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 383.422410] ? kasan_check_read+0x11/0x20 [ 383.426553] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 383.431845] ? oom_evaluate_task+0x540/0x540 [ 383.436256] ? find_held_lock+0x36/0x1c0 [ 383.440323] ? out_of_memory+0x974/0x1430 [ 383.444467] ? lock_downgrade+0x900/0x900 [ 383.448613] ? check_preemption_disabled+0x48/0x280 [ 383.453632] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 383.458553] ? kasan_check_read+0x11/0x20 [ 383.462710] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 383.467985] ? rcu_softirq_qs+0x20/0x20 [ 383.471982] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 383.477511] ? oom_evaluate_task+0x302/0x540 [ 383.481916] out_of_memory+0xa84/0x1430 [ 383.485892] ? oom_killer_disable+0x3a0/0x3a0 [ 383.490380] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 383.495307] ? __mutex_add_waiter+0x2a0/0x2a0 [ 383.499814] __alloc_pages_slowpath+0x22d4/0x2d70 [ 383.504680] ? warn_alloc+0x120/0x120 [ 383.508475] ? rcu_softirq_qs+0x20/0x20 [ 383.512921] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 383.518451] ? should_fail+0x22d/0xd01 [ 383.522341] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 383.527440] ? zap_class+0x640/0x640 [ 383.531167] ? __lock_is_held+0xb5/0x140 [ 383.535229] ? mark_held_locks+0x130/0x130 [ 383.539460] ? lock_release+0xa00/0xa00 [ 383.543432] ? perf_trace_sched_process_exec+0x860/0x860 [ 383.548883] ? __might_sleep+0x95/0x190 [ 383.552855] __alloc_pages_nodemask+0xa80/0xde0 [ 383.557527] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 383.562544] ? __page_cache_alloc+0x191/0x5c0 [ 383.567035] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 383.571964] ? kasan_check_read+0x11/0x20 [ 383.576111] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 383.581388] ? zap_class+0x640/0x640 [ 383.585104] ? zap_class+0x640/0x640 [ 383.588813] ? zap_class+0x640/0x640 [ 383.592518] ? __do_page_cache_readahead+0x7ce/0x980 [ 383.597621] ? find_held_lock+0x36/0x1c0 [ 383.601786] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 383.607322] alloc_pages_current+0x173/0x350 [ 383.611731] __page_cache_alloc+0x38c/0x5c0 [ 383.616052] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 383.620972] ? kasan_check_read+0x11/0x20 [ 383.625117] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 383.630394] ? generic_perform_write+0x6a0/0x6a0 [ 383.635147] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 383.640677] ? check_preemption_disabled+0x48/0x280 [ 383.645714] filemap_fault+0x1594/0x25f0 [ 383.649783] ? __lock_page_or_retry+0xa00/0xa00 [ 383.654461] ? mark_held_locks+0x130/0x130 [ 383.658689] ? rcu_softirq_qs+0x20/0x20 [ 383.662686] ? filemap_map_pages+0xe04/0x1990 [ 383.667203] ? __free_object+0x173/0x340 [ 383.671262] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 383.676188] ? trace_hardirqs_off_caller+0x310/0x310 [ 383.681825] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 383.686499] ? debug_object_free+0x32d/0x690 [ 383.690912] ? kasan_check_read+0x11/0x20 [ 383.695076] ? debug_object_destroy+0x2b0/0x2b0 [ 383.699744] ? lock_pi_update_atomic+0x150/0x150 [ 383.704494] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.710029] ? __hrtimer_init+0xdb/0x240 [ 383.714111] ? lock_acquire+0x1ed/0x520 [ 383.718083] ? ext4_filemap_fault+0x7a/0xad [ 383.722408] ? lock_release+0xa00/0xa00 [ 383.726383] ? perf_trace_sched_process_exec+0x860/0x860 [ 383.731828] ? print_usage_bug+0xc0/0xc0 [ 383.735883] ? print_usage_bug+0xc0/0xc0 [ 383.739950] ? down_read+0x8d/0x120 [ 383.743577] ? ext4_filemap_fault+0x7a/0xad [ 383.747895] ? __down_interruptible+0x700/0x700 [ 383.752585] ext4_filemap_fault+0x82/0xad [ 383.756731] __do_fault+0x100/0x6b0 [ 383.760355] ? pmd_devmap_trans_unstable+0x220/0x220 [ 383.765458] ? mark_held_locks+0x130/0x130 [ 383.769690] ? mark_held_locks+0x130/0x130 [ 383.773922] ? debug_smp_processor_id+0x1c/0x20 [ 383.778599] ? perf_trace_lock+0x14d/0x7a0 [ 383.782833] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 383.788368] __handle_mm_fault+0x307c/0x5920 [ 383.792777] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 383.797613] ? lock_is_held_type+0x210/0x210 [ 383.802040] ? zap_class+0x640/0x640 [ 383.805749] ? zap_class+0x640/0x640 [ 383.809468] ? __x64_sys_futex+0x53e/0x6a0 [ 383.813699] ? find_held_lock+0x36/0x1c0 [ 383.817765] ? handle_mm_fault+0x42a/0xc70 [ 383.821994] ? lock_downgrade+0x900/0x900 [ 383.826139] ? check_preemption_disabled+0x48/0x280 [ 383.831153] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 383.836077] ? kasan_check_read+0x11/0x20 [ 383.840217] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 383.845491] ? rcu_softirq_qs+0x20/0x20 [ 383.849459] ? trace_hardirqs_off_caller+0x310/0x310 [ 383.854557] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 383.860092] ? check_preemption_disabled+0x48/0x280 [ 383.865110] handle_mm_fault+0x54f/0xc70 [ 383.869170] ? __handle_mm_fault+0x5920/0x5920 [ 383.873755] ? find_vma+0x34/0x190 [ 383.877295] __do_page_fault+0x5e8/0xe60 [ 383.881351] ? trace_hardirqs_off+0xb8/0x310 [ 383.885752] ? __ia32_sys_read+0xb0/0xb0 [ 383.889813] do_page_fault+0xf2/0x7e0 [ 383.893624] ? vmalloc_sync_all+0x30/0x30 [ 383.897767] ? error_entry+0x70/0xd0 [ 383.901475] ? trace_hardirqs_off_caller+0xbb/0x310 [ 383.906486] ? trace_hardirqs_on_caller+0xc0/0x310 [ 383.911415] ? syscall_return_slowpath+0x5e0/0x5e0 [ 383.916337] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 383.921174] ? trace_hardirqs_on_caller+0x310/0x310 [ 383.926180] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 383.932410] ? prepare_exit_to_usermode+0x291/0x3b0 [ 383.937424] ? page_fault+0x8/0x30 [ 383.940969] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 383.945808] ? page_fault+0x8/0x30 [ 383.949343] page_fault+0x1e/0x30 [ 383.952791] RIP: 0033:0x45ddf3 [ 383.955988] Code: Bad RIP value. [ 383.959350] RSP: 002b:000000c4200206a0 EFLAGS: 00010206 [ 383.964708] RAX: ffffffffffffff92 RBX: 000000003b974269 RCX: 000000000045ddf3 [ 383.971967] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e1060 [ 383.979228] RBP: 000000c4200206e8 R08: 0000000000000000 R09: 0000000000000000 [ 383.986503] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001 [ 383.993768] R13: 0000000000000007 R14: 0000000000b7f720 R15: 000000000000bdf9 [ 384.001053] warn_alloc_show_mem: 1 callbacks suppressed [ 384.001061] CPU: 0 PID: 17787 Comm: syz-executor0 Not tainted 4.19.0+ #72 [ 384.001063] Mem-Info: [ 384.001091] active_anon:46452 inactive_anon:2315 isolated_anon:0 [ 384.001091] active_file:13 inactive_file:13 isolated_file:0 [ 384.001091] unevictable:0 dirty:0 writeback:0 unstable:0 [ 384.001091] slab_reclaimable:9341 slab_unreclaimable:1470635 [ 384.001091] mapped:24578 shmem:7010 pagetables:528 bounce:0 [ 384.001091] free:13753 free_pcp:603 free_cma:0 [ 384.006433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 384.006439] Call Trace: [ 384.013361] Node 0 active_anon:185808kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:28040kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 384.015745] [ 384.048950] Node 0 [ 384.058292] dump_stack+0x244/0x39d [ 384.060868] 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 [ 384.088417] ? dump_stack_print_info.cold.1+0x20/0x20 [ 384.090539] lowmem_reserve[]: 0 [ 384.092779] warn_alloc.cold.117+0xb7/0x1bd [ 384.096371] 2818 [ 384.121944] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 384.127098] 6321 6321 [ 384.130367] ? lock_downgrade+0x900/0x900 [ 384.136717] ? trace_hardirqs_off+0xb8/0x310 [ 384.141528] Node 0 [ 384.144028] ? trace_hardirqs_off+0xb8/0x310 [ 384.148161] DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 384.152536] __alloc_pages_slowpath+0x2660/0x2d70 [ 384.154750] lowmem_reserve[]: [ 384.159166] ? warn_alloc+0x120/0x120 [ 384.186089] 0 0 [ 384.190927] ? warn_alloc+0x120/0x120 [ 384.194006] 3503 3503 [ 384.197806] ? print_usage_bug+0xc0/0xc0 [ 384.199753] Node 0 [ 384.203540] ? warn_alloc+0x120/0x120 [ 384.206038] Normal free:13924kB min:37364kB low:46704kB high:56044kB active_anon:183760kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5536kB pagetables:2112kB bounce:0kB free_pcp:2164kB local_pcp:1336kB free_cma:0kB [ 384.210064] ? print_usage_bug+0xc0/0xc0 [ 384.212272] lowmem_reserve[]: [ 384.216063] ? __lock_acquire+0x62f/0x4c20 [ 384.244567] 0 0 [ 384.248624] ? __lock_acquire+0x62f/0x4c20 [ 384.251698] 0 [ 384.255938] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 384.257881] 0 [ 384.262110] ? should_fail+0x22d/0xd01 [ 384.263898] Node 0 [ 384.269419] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 384.271196] DMA: [ 384.275068] ? __lock_acquire+0x62f/0x4c20 [ 384.277276] 1*4kB [ 384.282364] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 384.284396] (U) [ 384.288616] ? __lock_acquire+0x62f/0x4c20 [ 384.290734] 0*8kB 0*16kB [ 384.295826] ? should_fail+0x22d/0xd01 [ 384.297768] 1*32kB (U) [ 384.302013] ? mark_held_locks+0x130/0x130 [ 384.304727] 2*64kB (U) [ 384.308607] ? mark_held_locks+0x130/0x130 [ 384.311173] 1*128kB [ 384.315397] ? zap_class+0x640/0x640 [ 384.317944] (U) 1*256kB [ 384.322171] ? print_usage_bug+0xc0/0xc0 [ 384.324468] (U) [ 384.328166] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.330819] 0*512kB [ 384.334862] ? check_preemption_disabled+0x48/0x280 [ 384.336809] 1*1024kB [ 384.342333] ? __lock_is_held+0xb5/0x140 [ 384.344636] (U) [ 384.349656] __alloc_pages_nodemask+0xa80/0xde0 [ 384.352035] 1*2048kB [ 384.356079] ? zap_class+0x640/0x640 [ 384.358025] (M) [ 384.362679] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 384.365065] 3*4096kB [ 384.368775] ? find_held_lock+0x36/0x1c0 [ 384.370718] (M) = 15908kB [ 384.375733] ? ____cache_alloc_node+0x1c7/0x1e0 [ 384.378112] Node 0 [ 384.382157] ? lock_downgrade+0x900/0x900 [ 384.384882] DMA32: 5*4kB [ 384.389547] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.391753] (UM) [ 384.395891] cache_grow_begin+0xa5/0x8c0 [ 384.398615] 1*8kB (H) [ 384.404141] ? do_raw_spin_unlock+0xa7/0x330 [ 384.406190] 2*16kB (M) [ 384.410263] fallback_alloc+0x204/0x2e0 [ 384.412723] 3*32kB (M) [ 384.417125] ____cache_alloc_node+0x1c7/0x1e0 [ 384.419689] 3*64kB (MH) [ 384.423669] kmem_cache_alloc_node+0xe3/0x730 [ 384.426227] 4*128kB (M) [ 384.430712] ? ipv6_get_ifaddr+0x42e/0x620 [ 384.433351] 5*256kB (UMH) [ 384.437843] __alloc_skb+0x119/0x770 [ 384.440481] 5*512kB [ 384.444699] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 384.447511] (UMH) [ 384.451214] ? netdev_alloc_frag+0x1f0/0x1f0 [ 384.453507] 4*1024kB (UMH) [ 384.458890] ? lock_downgrade+0x900/0x900 [ 384.461016] 2*2048kB [ 384.465412] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.468312] (UM) [ 384.472447] ? refcount_sub_and_test_checked+0x203/0x310 [ 384.474824] 3*4096kB (M) [ 384.480356] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 384.482385] = 25180kB [ 384.482392] Node 0 [ 384.487828] ? addrconf_rs_timer+0x690/0x690 [ 384.490552] Normal: 1917*4kB [ 384.496009] ndisc_alloc_skb+0x144/0x340 [ 384.498384] (UME) [ 384.500616] ndisc_send_rs+0x331/0x6e0 [ 384.504997] 392*8kB [ 384.508102] addrconf_rs_timer+0x314/0x690 [ 384.512152] (UME) [ 384.514292] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.518163] 105*16kB [ 384.520489] call_timer_fn+0x272/0x920 [ 384.524686] (UME) [ 384.526823] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.531031] 43*32kB [ 384.533426] ? process_timeout+0x40/0x40 [ 384.537281] (UM) [ 384.539423] ? __run_timers+0x7da/0xc70 [ 384.543624] 1*64kB [ 384.545937] ? _raw_spin_unlock_irq+0x27/0x80 [ 384.549985] (U) [ 384.552036] ? _raw_spin_unlock_irq+0x27/0x80 [ 384.555978] 0*128kB 0*256kB [ 384.558226] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.562696] 0*512kB 0*1024kB [ 384.564664] ? lockdep_hardirqs_on+0x296/0x5b0 [ 384.569125] 0*2048kB 0*4096kB [ 384.572148] ? trace_hardirqs_on+0xbd/0x310 [ 384.576350] = 13924kB [ 384.576363] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 384.579451] ? kasan_check_read+0x11/0x20 [ 384.584008] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 384.587180] ? __run_timers+0x7da/0xc70 [ 384.591469] 7036 total pagecache pages [ 384.593868] ? trace_hardirqs_off_caller+0x310/0x310 [ 384.602680] 0 pages in swap cache [ 384.606816] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.615355] Swap cache stats: add 0, delete 0, find 0/0 [ 384.619325] __run_timers+0x7e5/0xc70 [ 384.623181] Free swap = 0kB [ 384.628278] ? timer_fixup_init+0x70/0x70 [ 384.631713] Total swap = 0kB [ 384.636061] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 384.641392] 1965979 pages RAM [ 384.645177] ? zap_class+0x640/0x640 [ 384.648164] 0 pages HighMem/MovableOnly [ 384.648171] 342867 pages reserved [ 384.652305] ? enqueue_hrtimer+0x1a5/0x560 [ 384.655298] 0 pages cma reserved [ 384.660299] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 384.663498] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 384.667086] ? find_held_lock+0x36/0x1c0 [ 384.671083] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 384.674468] ? zap_class+0x640/0x640 [ 384.678675] syz-fuzzer cpuset= [ 384.682029] ? pvclock_read_flags+0x160/0x160 [ 384.687188] / [ 384.693664] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.697695] mems_allowed=0 [ 384.707901] ? check_preemption_disabled+0x48/0x280 [ 384.734366] ? __lock_is_held+0xb5/0x140 [ 384.738420] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.743980] ? check_preemption_disabled+0x48/0x280 [ 384.748994] run_timer_softirq+0x52/0xb0 [ 384.753050] ? rcu_read_lock_sched_held+0x14f/0x180 [ 384.758062] __do_softirq+0x308/0xb7e [ 384.761858] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 384.766344] ? lock_downgrade+0x900/0x900 [ 384.770489] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 384.775592] ? pvclock_read_flags+0x160/0x160 [ 384.780080] ? lapic_next_event+0x5a/0x90 [ 384.784222] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.789757] ? kvm_clock_read+0x18/0x30 [ 384.793728] ? kvm_sched_clock_read+0x9/0x20 [ 384.798132] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.803662] ? check_preemption_disabled+0x48/0x280 [ 384.808678] irq_exit+0x17f/0x1c0 [ 384.812126] smp_apic_timer_interrupt+0x1cb/0x760 [ 384.816970] ? smp_reschedule_interrupt+0x109/0x650 [ 384.821984] ? smp_call_function_single_interrupt+0x650/0x650 [ 384.827863] ? interrupt_entry+0xb5/0xc0 [ 384.831917] ? trace_hardirqs_off_caller+0xbb/0x310 [ 384.836936] ? trace_hardirqs_off_caller+0xbb/0x310 [ 384.841965] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 384.846823] ? trace_hardirqs_on_caller+0x310/0x310 [ 384.851830] ? trace_hardirqs_on_caller+0x310/0x310 [ 384.856844] ? task_prio+0x50/0x50 [ 384.860377] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.865906] ? check_preemption_disabled+0x48/0x280 [ 384.870919] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 384.875772] apic_timer_interrupt+0xf/0x20 [ 384.879994] [ 384.882231] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 384.887155] Code: 7e 0f 85 cf fe ff ff e8 f6 d7 3f ff e9 c5 fe ff ff e8 4d a2 c3 ff 48 83 3d a5 50 91 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 6a b1 [ 384.906049] RSP: 0000:ffff88019c63f740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 384.913751] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 384.921011] RDX: 0000000000000000 RSI: ffff8801929e68c0 RDI: 0000000000000286 [ 384.928271] RBP: ffff88019c63f7a8 R08: ffff8801929e6040 R09: 0000000000000000 [ 384.935530] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 384.942790] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020 [ 384.950082] skb_clone+0x1bb/0x500 [ 384.953617] ? finish_task_switch+0x2f4/0x910 [ 384.958110] ? skb_split+0x11e0/0x11e0 [ 384.961992] ? preempt_notifier_register+0x200/0x200 [ 384.967089] ? __switch_to_asm+0x34/0x70 [ 384.971147] ? __switch_to_asm+0x34/0x70 [ 384.975202] ? __switch_to_asm+0x40/0x70 [ 384.979256] ? __switch_to_asm+0x34/0x70 [ 384.983312] ? __switch_to_asm+0x40/0x70 [ 384.987367] ? __switch_to_asm+0x34/0x70 [ 384.991435] ? __switch_to_asm+0x40/0x70 [ 384.995488] ? __switch_to_asm+0x34/0x70 [ 384.999541] ? __switch_to_asm+0x34/0x70 [ 385.003597] ? __switch_to_asm+0x40/0x70 [ 385.007651] ? __switch_to_asm+0x34/0x70 [ 385.011712] bpf_clone_redirect+0xb9/0x490 [ 385.015954] ? __schedule+0x8d7/0x21d0 [ 385.019840] bpf_prog_bebbfe2050753572+0x325/0x1000 [ 385.024861] ? __sched_text_start+0x8/0x8 [ 385.029015] ? find_held_lock+0x36/0x1c0 [ 385.033074] ? lock_acquire+0x1ed/0x520 [ 385.037042] ? bpf_test_run+0x3cb/0x780 [ 385.041010] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.046541] ? check_preemption_disabled+0x48/0x280 [ 385.051556] ? kasan_check_read+0x11/0x20 [ 385.055698] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 385.060969] ? rcu_softirq_qs+0x20/0x20 [ 385.064952] ? preempt_schedule+0x4d/0x60 [ 385.069091] ? ___preempt_schedule+0x16/0x18 [ 385.073498] ? bpf_test_run+0x25d/0x780 [ 385.077475] ? netlink_diag_dump+0x2a0/0x2a0 [ 385.081879] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 385.087410] ? bpf_test_init.isra.10+0x70/0x100 [ 385.092078] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 385.096850] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 385.101688] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 385.107220] ? fput+0x130/0x1a0 [ 385.110513] ? __bpf_prog_get+0x9b/0x290 [ 385.114573] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 385.119408] ? bpf_prog_test_run+0x130/0x1a0 [ 385.123813] ? __x64_sys_bpf+0x3d8/0x520 [ 385.127878] ? bpf_prog_get+0x20/0x20 [ 385.131688] ? do_syscall_64+0x1b9/0x820 [ 385.135760] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 385.141120] ? syscall_return_slowpath+0x5e0/0x5e0 [ 385.146044] ? trace_hardirqs_on_caller+0x310/0x310 [ 385.151052] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 385.156065] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 385.162727] ? __switch_to_asm+0x40/0x70 [ 385.166779] ? __switch_to_asm+0x34/0x70 [ 385.170837] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 385.175681] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 385.181054] CPU: 1 PID: 5375 Comm: syz-fuzzer Not tainted 4.19.0+ #72 [ 385.181124] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 385.187627] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 385.187632] Call Trace: [ 385.187637] [ 385.187650] dump_stack+0x244/0x39d [ 385.187668] ? dump_stack_print_info.cold.1+0x20/0x20 [ 385.194204] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 385.203502] warn_alloc.cold.117+0xb7/0x1bd [ 385.206071] syz-executor0 cpuset= [ 385.208209] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 385.211803] syz0 [ 385.216977] ? lock_downgrade+0x900/0x900 [ 385.227427] mems_allowed=0 [ 385.249015] ? trace_hardirqs_off+0xb8/0x310 [ 385.253427] ? trace_hardirqs_off+0xb8/0x310 [ 385.257838] __alloc_pages_slowpath+0x2660/0x2d70 [ 385.262705] ? warn_alloc+0x120/0x120 [ 385.266506] ? zap_class+0x640/0x640 [ 385.270334] ? warn_alloc+0x120/0x120 [ 385.274130] ? print_usage_bug+0xc0/0xc0 [ 385.278186] ? warn_alloc+0x120/0x120 [ 385.281984] ? print_usage_bug+0xc0/0xc0 [ 385.286042] ? __lock_acquire+0x62f/0x4c20 [ 385.290272] ? __lock_acquire+0x62f/0x4c20 [ 385.294502] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 385.300035] ? should_fail+0x22d/0xd01 [ 385.303938] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 385.309037] ? __lock_acquire+0x62f/0x4c20 [ 385.313290] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 385.318384] ? __lock_acquire+0x62f/0x4c20 [ 385.322613] ? should_fail+0x22d/0xd01 [ 385.326495] ? find_held_lock+0x36/0x1c0 [ 385.330557] ? mark_held_locks+0x130/0x130 [ 385.334792] ? mark_held_locks+0x130/0x130 [ 385.339018] ? zap_class+0x640/0x640 [ 385.342728] ? zap_class+0x640/0x640 [ 385.346439] ? print_usage_bug+0xc0/0xc0 [ 385.350507] ? do_raw_spin_unlock+0xa7/0x330 [ 385.354917] ? zap_class+0x640/0x640 [ 385.358634] ? print_usage_bug+0xc0/0xc0 [ 385.362702] ? wq_watchdog_touch+0x9c/0xfe [ 385.366942] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.372473] ? check_preemption_disabled+0x48/0x280 [ 385.377490] ? __lock_is_held+0xb5/0x140 [ 385.381553] __alloc_pages_nodemask+0xa80/0xde0 [ 385.386214] ? zap_class+0x640/0x640 [ 385.389934] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 385.394970] ? find_held_lock+0x36/0x1c0 [ 385.399033] ? ____cache_alloc_node+0x1c7/0x1e0 [ 385.403700] ? lock_downgrade+0x900/0x900 [ 385.407851] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.413388] cache_grow_begin+0xa5/0x8c0 [ 385.417446] ? do_raw_spin_unlock+0xa7/0x330 [ 385.421856] fallback_alloc+0x204/0x2e0 [ 385.425830] ____cache_alloc_node+0x1c7/0x1e0 [ 385.430322] kmem_cache_alloc_node+0xe3/0x730 [ 385.434812] ? ipv6_get_ifaddr+0x42e/0x620 [ 385.439050] __alloc_skb+0x119/0x770 [ 385.442851] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 385.448126] ? netdev_alloc_frag+0x1f0/0x1f0 [ 385.452527] ? lock_downgrade+0x900/0x900 [ 385.456693] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.462224] ? refcount_sub_and_test_checked+0x203/0x310 [ 385.467673] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 385.473116] ? addrconf_rs_timer+0x690/0x690 [ 385.477529] ndisc_alloc_skb+0x144/0x340 [ 385.481592] ndisc_send_rs+0x331/0x6e0 [ 385.485479] addrconf_rs_timer+0x314/0x690 [ 385.489710] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.493957] call_timer_fn+0x272/0x920 [ 385.497838] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.502068] ? process_timeout+0x40/0x40 [ 385.506142] ? mark_held_locks+0xc7/0x130 [ 385.510289] ? _raw_spin_unlock_irq+0x27/0x80 [ 385.515123] ? _raw_spin_unlock_irq+0x27/0x80 [ 385.519616] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.523846] ? lockdep_hardirqs_on+0x296/0x5b0 [ 385.528428] ? trace_hardirqs_on+0xbd/0x310 [ 385.532746] ? kasan_check_read+0x11/0x20 [ 385.536908] ? __run_timers+0x7da/0xc70 [ 385.540876] ? trace_hardirqs_off_caller+0x310/0x310 [ 385.545997] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.550231] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.554461] __run_timers+0x7e5/0xc70 [ 385.558255] ? rcu_irq_exit+0x1a2/0x390 [ 385.562230] ? timer_fixup_init+0x70/0x70 [ 385.566374] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.571914] ? check_preemption_disabled+0x48/0x280 [ 385.576929] ? mark_held_locks+0xc7/0x130 [ 385.581076] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 385.586090] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 385.590843] ? retint_kernel+0x2d/0x2d [ 385.594731] ? trace_hardirqs_on_caller+0xc0/0x310 [ 385.599652] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 385.604408] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 385.609851] ? zap_class+0x640/0x640 [ 385.613574] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.619105] ? check_preemption_disabled+0x48/0x280 [ 385.624121] ? __lock_is_held+0xb5/0x140 [ 385.628179] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.633706] ? check_preemption_disabled+0x48/0x280 [ 385.638728] run_timer_softirq+0x52/0xb0 [ 385.642785] ? rcu_read_lock_sched_held+0x14f/0x180 [ 385.647794] __do_softirq+0x308/0xb7e [ 385.651594] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 385.656082] ? lock_downgrade+0x900/0x900 [ 385.660235] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 385.665339] ? pvclock_read_flags+0x160/0x160 [ 385.669830] ? lapic_next_event+0x5a/0x90 [ 385.673974] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.680035] ? kvm_clock_read+0x18/0x30 [ 385.684017] ? kvm_sched_clock_read+0x9/0x20 [ 385.688422] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.693953] ? check_preemption_disabled+0x48/0x280 [ 385.698976] irq_exit+0x17f/0x1c0 [ 385.702427] smp_apic_timer_interrupt+0x1cb/0x760 [ 385.707262] ? smp_reschedule_interrupt+0x109/0x650 [ 385.712279] ? smp_call_function_single_interrupt+0x650/0x650 [ 385.718156] ? interrupt_entry+0xb5/0xc0 [ 385.722297] ? trace_hardirqs_off_caller+0xbb/0x310 [ 385.727305] ? trace_hardirqs_off_caller+0xbb/0x310 [ 385.732320] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 385.737154] ? trace_hardirqs_on_caller+0x310/0x310 [ 385.742165] ? trace_hardirqs_on_caller+0x310/0x310 [ 385.747175] ? task_prio+0x50/0x50 [ 385.750710] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 385.756238] ? check_preemption_disabled+0x48/0x280 [ 385.761251] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 385.766098] apic_timer_interrupt+0xf/0x20 [ 385.770318] [ 385.772550] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 385.777737] Code: 00 e8 95 31 8e f9 e8 90 e2 bd f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d ea 90 8b 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d c0 90 [ 385.796630] RSP: 0000:ffff8801c4c0e140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 385.804335] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003afce19e [ 385.811595] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d7e70c7c [ 385.818883] RBP: ffff8801c4c0e168 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 385.826148] R10: 0000000000000000 R11: ffff8801d7e70400 R12: dffffc0000000000 [ 385.833412] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478 [ 385.840700] retint_kernel+0x1b/0x2d [ 385.844407] RIP: 0010:dump_stack+0x358/0x39d [ 385.848809] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 91 c1 00 fa 48 83 3d 99 b9 91 01 00 0f 84 63 fe ff ff e8 ee e6 bd f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db e6 bd f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 385.867702] RSP: 0000:ffff8801c4c0e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 385.875404] RAX: ffff8801d7e70400 RBX: 1ffffffff12a3e8e RCX: 1ffff1003afce19e [ 385.882675] RDX: 0000000000000000 RSI: ffffffff87c03ae2 RDI: 0000000000000293 [ 385.889931] RBP: ffff8801c4c0e2c8 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 385.897187] R10: 0000000000000000 R11: ffff8801d7e70400 R12: 1ffff10038981c4c [ 385.904446] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 385.911721] ? dump_stack+0x34f/0x39d [ 385.915545] ? dump_stack_print_info.cold.1+0x20/0x20 [ 385.920749] dump_header+0x27b/0xf72 [ 385.924466] ? mark_held_locks+0x130/0x130 [ 385.928698] ? pagefault_out_of_memory+0x197/0x197 [ 385.933622] ? __lock_acquire+0x62f/0x4c20 [ 385.937936] ? zap_class+0x640/0x640 [ 385.941647] ? percpu_ref_get_many+0x240/0x240 [ 385.946233] ? print_usage_bug+0xc0/0xc0 [ 385.950288] ? print_usage_bug+0xc0/0xc0 [ 385.954350] ? zap_class+0x640/0x640 [ 385.958065] ? print_usage_bug+0xc0/0xc0 [ 385.962118] ? print_usage_bug+0xc0/0xc0 [ 385.966180] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.971715] ? find_held_lock+0x36/0x1c0 [ 385.975778] ? mark_held_locks+0xc7/0x130 [ 385.979923] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 385.985018] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 385.990112] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 385.994693] ? trace_hardirqs_on+0xbd/0x310 [ 385.999094] ? kasan_check_read+0x11/0x20 [ 386.003237] ? ___ratelimit+0x3b4/0x672 [ 386.007203] ? trace_hardirqs_off_caller+0x310/0x310 [ 386.012299] ? trace_hardirqs_on+0x310/0x310 [ 386.016701] ? lock_downgrade+0x900/0x900 [ 386.020855] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 386.025954] ? ___ratelimit+0x3b9/0x672 [ 386.029927] ? idr_get_free+0xec0/0xec0 [ 386.033893] ? find_held_lock+0x36/0x1c0 [ 386.037955] oom_kill_process.cold.27+0x10/0x903 [ 386.042703] ? zap_class+0x640/0x640 [ 386.046407] ? check_preemption_disabled+0x48/0x280 [ 386.051419] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 386.056337] ? kasan_check_read+0x11/0x20 [ 386.060499] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 386.065767] ? oom_evaluate_task+0x540/0x540 [ 386.070167] ? find_held_lock+0x36/0x1c0 [ 386.074229] ? out_of_memory+0x974/0x1430 [ 386.078375] ? lock_downgrade+0x900/0x900 [ 386.082548] ? check_preemption_disabled+0x48/0x280 [ 386.087564] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 386.092484] ? kasan_check_read+0x11/0x20 [ 386.096629] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 386.101899] ? rcu_softirq_qs+0x20/0x20 [ 386.105876] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 386.111405] ? oom_evaluate_task+0x302/0x540 [ 386.115809] out_of_memory+0xa84/0x1430 [ 386.119780] ? oom_killer_disable+0x3a0/0x3a0 [ 386.124272] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 386.129195] ? __mutex_add_waiter+0x2a0/0x2a0 [ 386.133698] __alloc_pages_slowpath+0x22d4/0x2d70 [ 386.138573] ? warn_alloc+0x120/0x120 [ 386.142372] ? rcu_softirq_qs+0x20/0x20 [ 386.146378] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 386.151919] ? should_fail+0x22d/0xd01 [ 386.155802] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 386.160903] ? zap_class+0x640/0x640 [ 386.164631] ? __lock_is_held+0xb5/0x140 [ 386.168697] ? mark_held_locks+0x130/0x130 [ 386.172930] ? lock_release+0xa00/0xa00 [ 386.176899] ? perf_trace_sched_process_exec+0x860/0x860 [ 386.182354] ? __might_sleep+0x95/0x190 [ 386.186334] __alloc_pages_nodemask+0xa80/0xde0 [ 386.191011] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 386.196027] ? __page_cache_alloc+0x191/0x5c0 [ 386.200518] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 386.205454] ? kasan_check_read+0x11/0x20 [ 386.209594] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 386.214865] ? zap_class+0x640/0x640 [ 386.218577] ? zap_class+0x640/0x640 [ 386.222284] ? zap_class+0x640/0x640 [ 386.225990] ? __do_page_cache_readahead+0x7ce/0x980 [ 386.231088] ? find_held_lock+0x36/0x1c0 [ 386.235147] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 386.240699] alloc_pages_current+0x173/0x350 [ 386.245118] __page_cache_alloc+0x38c/0x5c0 [ 386.249433] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 386.254371] ? kasan_check_read+0x11/0x20 [ 386.258530] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 386.263802] ? generic_perform_write+0x6a0/0x6a0 [ 386.268559] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 386.274091] ? check_preemption_disabled+0x48/0x280 [ 386.279112] filemap_fault+0x1594/0x25f0 [ 386.283180] ? __lock_page_or_retry+0xa00/0xa00 [ 386.287863] ? mark_held_locks+0x130/0x130 [ 386.292096] ? rcu_softirq_qs+0x20/0x20 [ 386.296079] ? filemap_map_pages+0xe04/0x1990 [ 386.300591] ? __free_object+0x173/0x340 [ 386.304648] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 386.309575] ? trace_hardirqs_off_caller+0x310/0x310 [ 386.314671] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 386.319351] ? debug_object_free+0x32d/0x690 [ 386.323753] ? kasan_check_read+0x11/0x20 [ 386.327899] ? debug_object_destroy+0x2b0/0x2b0 [ 386.332567] ? lock_pi_update_atomic+0x150/0x150 [ 386.337317] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.342855] ? __hrtimer_init+0xdb/0x240 [ 386.346920] ? lock_acquire+0x1ed/0x520 [ 386.350887] ? ext4_filemap_fault+0x7a/0xad [ 386.355215] ? lock_release+0xa00/0xa00 [ 386.359185] ? perf_trace_sched_process_exec+0x860/0x860 [ 386.364641] ? print_usage_bug+0xc0/0xc0 [ 386.368721] ? print_usage_bug+0xc0/0xc0 [ 386.372796] ? down_read+0x8d/0x120 [ 386.376417] ? ext4_filemap_fault+0x7a/0xad [ 386.380747] ? __down_interruptible+0x700/0x700 [ 386.385420] ext4_filemap_fault+0x82/0xad [ 386.389561] __do_fault+0x100/0x6b0 [ 386.393187] ? pmd_devmap_trans_unstable+0x220/0x220 [ 386.398285] ? mark_held_locks+0x130/0x130 [ 386.402538] ? mark_held_locks+0x130/0x130 [ 386.406770] ? debug_smp_processor_id+0x1c/0x20 [ 386.411433] ? perf_trace_lock+0x14d/0x7a0 [ 386.415669] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 386.421204] __handle_mm_fault+0x307c/0x5920 [ 386.425613] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 386.430450] ? lock_is_held_type+0x210/0x210 [ 386.434872] ? zap_class+0x640/0x640 [ 386.438578] ? zap_class+0x640/0x640 [ 386.442284] ? __x64_sys_futex+0x53e/0x6a0 [ 386.446514] ? find_held_lock+0x36/0x1c0 [ 386.450576] ? handle_mm_fault+0x42a/0xc70 [ 386.454808] ? lock_downgrade+0x900/0x900 [ 386.458962] ? check_preemption_disabled+0x48/0x280 [ 386.463976] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 386.468899] ? kasan_check_read+0x11/0x20 [ 386.473041] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 386.478314] ? rcu_softirq_qs+0x20/0x20 [ 386.482287] ? trace_hardirqs_off_caller+0x310/0x310 [ 386.487383] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 386.492916] ? check_preemption_disabled+0x48/0x280 [ 386.497932] handle_mm_fault+0x54f/0xc70 [ 386.501990] ? __handle_mm_fault+0x5920/0x5920 [ 386.506568] ? find_vma+0x34/0x190 [ 386.510122] __do_page_fault+0x5e8/0xe60 [ 386.514174] ? trace_hardirqs_off+0xb8/0x310 [ 386.518575] ? __ia32_sys_read+0xb0/0xb0 [ 386.522637] do_page_fault+0xf2/0x7e0 [ 386.526431] ? vmalloc_sync_all+0x30/0x30 [ 386.530577] ? error_entry+0x70/0xd0 [ 386.534285] ? trace_hardirqs_off_caller+0xbb/0x310 [ 386.539293] ? trace_hardirqs_on_caller+0xc0/0x310 [ 386.544232] ? syscall_return_slowpath+0x5e0/0x5e0 [ 386.549152] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 386.553990] ? trace_hardirqs_on_caller+0x310/0x310 [ 386.558996] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 386.564447] ? prepare_exit_to_usermode+0x291/0x3b0 [ 386.569457] ? page_fault+0x8/0x30 [ 386.573027] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 386.577869] ? page_fault+0x8/0x30 [ 386.581402] page_fault+0x1e/0x30 [ 386.584847] RIP: 0033:0x45ddf3 [ 386.588044] Code: Bad RIP value. [ 386.591401] RSP: 002b:000000c4200206a0 EFLAGS: 00010206 [ 386.596756] RAX: ffffffffffffff92 RBX: 000000003b974269 RCX: 000000000045ddf3 [ 386.604015] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e1060 [ 386.611277] RBP: 000000c4200206e8 R08: 0000000000000000 R09: 0000000000000000 [ 386.618541] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001 [ 386.625809] R13: 0000000000000007 R14: 0000000000b7f720 R15: 000000000000bdf9 [ 386.633096] CPU: 0 PID: 17787 Comm: syz-executor0 Not tainted 4.19.0+ #72 [ 386.633100] warn_alloc_show_mem: 1 callbacks suppressed [ 386.633106] Mem-Info: [ 386.640025] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 386.645388] active_anon:46452 inactive_anon:2315 isolated_anon:0 [ 386.645388] active_file:13 inactive_file:13 isolated_file:0 [ 386.645388] unevictable:0 dirty:0 writeback:0 unstable:0 [ 386.645388] slab_reclaimable:9341 slab_unreclaimable:1470635 [ 386.645388] mapped:24578 shmem:7010 pagetables:528 bounce:0 [ 386.645388] free:13753 free_pcp:603 free_cma:0 [ 386.647752] Call Trace: [ 386.657120] Node 0 active_anon:185808kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:28040kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 386.690239] [ 386.692812] Node 0 [ 386.720379] dump_stack+0x244/0x39d [ 386.722524] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 386.724732] ? dump_stack_print_info.cold.1+0x20/0x20 [ 386.728320] lowmem_reserve[]: 0 [ 386.753829] warn_alloc.cold.117+0xb7/0x1bd [ 386.758981] 2818 [ 386.762249] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 386.766548] 6321 6321 [ 386.768604] ? lock_downgrade+0x900/0x900 [ 386.775905] ? trace_hardirqs_off+0xb8/0x310 [ 386.780017] Node 0 DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 386.784428] ? trace_hardirqs_off+0xb8/0x310 [ 386.784449] __alloc_pages_slowpath+0x2660/0x2d70 [ 386.811997] lowmem_reserve[]: [ 386.816413] ? warn_alloc+0x120/0x120 [ 386.821203] 0 0 [ 386.824302] ? warn_alloc+0x120/0x120 [ 386.828092] 3503 [ 386.830056] ? print_usage_bug+0xc0/0xc0 [ 386.833828] 3503 [ 386.835875] ? warn_alloc+0x120/0x120 [ 386.839927] Node 0 [ 386.841980] ? print_usage_bug+0xc0/0xc0 [ 386.845776] Normal free:13924kB min:37364kB low:46704kB high:56044kB active_anon:183760kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5536kB pagetables:2112kB bounce:0kB free_pcp:2164kB local_pcp:1336kB free_cma:0kB [ 386.847976] ? __lock_acquire+0x62f/0x4c20 [ 386.852003] lowmem_reserve[]: 0 [ 386.880531] ? __lock_acquire+0x62f/0x4c20 [ 386.884736] 0 [ 386.888005] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 386.892208] 0 [ 386.893995] ? should_fail+0x22d/0xd01 [ 386.899522] 0 [ 386.901321] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 386.905177] Node 0 [ 386.906978] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 386.912222] DMA: 1*4kB [ 386.914461] ? __lock_acquire+0x62f/0x4c20 [ 386.919534] (U) [ 386.922106] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 386.926305] 0*8kB 0*16kB [ 386.928278] ? __lock_acquire+0x62f/0x4c20 [ 386.933352] 1*32kB [ 386.936108] ? should_fail+0x22d/0xd01 [ 386.940315] (U) [ 386.942557] ? rcu_irq_exit+0x1a2/0x390 [ 386.946421] 2*64kB (U) [ 386.948398] ? mark_held_locks+0x130/0x130 [ 386.952337] 1*128kB (U) [ 386.954920] ? mark_held_locks+0x130/0x130 [ 386.959135] 1*256kB (U) [ 386.961811] ? mark_held_locks+0xc7/0x130 [ 386.966009] 0*512kB 1*1024kB [ 386.968674] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 386.972796] (U) [ 386.975888] ? zap_class+0x640/0x640 [ 386.980869] 1*2048kB (M) [ 386.982839] ? print_usage_bug+0xc0/0xc0 [ 386.986607] 3*4096kB (M) [ 386.989360] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.993399] = 15908kB [ 386.993405] Node 0 [ 386.996152] ? check_preemption_disabled+0x48/0x280 [ 387.001658] DMA32: [ 387.004058] ? __lock_is_held+0xb5/0x140 [ 387.006261] 5*4kB [ 387.011262] __alloc_pages_nodemask+0xa80/0xde0 [ 387.013467] (UM) [ 387.017513] ? zap_class+0x640/0x640 [ 387.019633] 1*8kB (H) [ 387.024313] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 387.026374] 2*16kB (M) [ 387.030092] ? find_held_lock+0x36/0x1c0 [ 387.032554] 3*32kB (M) [ 387.037587] ? ____cache_alloc_node+0x1c7/0x1e0 [ 387.040136] 3*64kB [ 387.044182] ? lock_downgrade+0x900/0x900 [ 387.046752] (MH) [ 387.051432] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.053637] 4*128kB (M) [ 387.057794] cache_grow_begin+0xa5/0x8c0 [ 387.059836] 5*256kB [ 387.065352] ? do_raw_spin_unlock+0xa7/0x330 [ 387.067992] (UMH) [ 387.072041] fallback_alloc+0x204/0x2e0 [ 387.074328] 5*512kB (UMH) [ 387.078733] ____cache_alloc_node+0x1c7/0x1e0 [ 387.080850] 4*1024kB (UMH) [ 387.084820] kmem_cache_alloc_node+0xe3/0x730 [ 387.087628] 2*2048kB (UM) [ 387.092128] ? ipv6_get_ifaddr+0x42e/0x620 [ 387.095026] 3*4096kB (M) [ 387.099522] __alloc_skb+0x119/0x770 [ 387.102326] = 25180kB [ 387.102333] Node 0 [ 387.106555] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 387.109283] Normal: 1917*4kB [ 387.112992] ? netdev_alloc_frag+0x1f0/0x1f0 [ 387.115371] (UME) [ 387.117592] ? lock_downgrade+0x900/0x900 [ 387.122838] 392*8kB [ 387.125930] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.130302] (UME) [ 387.132438] ? refcount_sub_and_test_checked+0x203/0x310 [ 387.136551] 105*16kB (UME) [ 387.138872] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 387.144372] 43*32kB (UM) [ 387.146511] ? addrconf_rs_timer+0x690/0x690 [ 387.151944] 1*64kB (U) [ 387.154880] ndisc_alloc_skb+0x144/0x340 [ 387.160298] 0*128kB [ 387.163041] ndisc_send_rs+0x331/0x6e0 [ 387.167416] 0*256kB 0*512kB [ 387.169995] addrconf_rs_timer+0x314/0x690 [ 387.174019] 0*1024kB 0*2048kB [ 387.176338] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.180191] 0*4096kB = 13924kB [ 387.183213] call_timer_fn+0x272/0x920 [ 387.187418] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 387.190591] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.194801] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 387.197975] ? process_timeout+0x40/0x40 [ 387.201833] 7036 total pagecache pages [ 387.210658] ? __run_timers+0x7da/0xc70 [ 387.214869] 0 pages in swap cache [ 387.223422] ? _raw_spin_unlock_irq+0x27/0x80 [ 387.227458] Swap cache stats: add 0, delete 0, find 0/0 [ 387.231345] ? _raw_spin_unlock_irq+0x27/0x80 [ 387.235288] Free swap = 0kB [ 387.238726] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.243190] Total swap = 0kB [ 387.243197] 1965979 pages RAM [ 387.248552] ? lockdep_hardirqs_on+0x296/0x5b0 [ 387.253015] 0 pages HighMem/MovableOnly [ 387.253022] 342867 pages reserved [ 387.256024] ? trace_hardirqs_on+0xbd/0x310 [ 387.260228] 0 pages cma reserved [ 387.263236] ? kasan_check_read+0x11/0x20 [ 387.266369] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 387.270879] ? __run_timers+0x7da/0xc70 [ 387.274906] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 387.278272] ? trace_hardirqs_off_caller+0x310/0x310 [ 387.282563] syz-fuzzer cpuset= [ 387.285918] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.290037] / [ 387.296516] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.300477] mems_allowed=0 [ 387.310687] __run_timers+0x7e5/0xc70 [ 387.335793] ? timer_fixup_init+0x70/0x70 [ 387.339936] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 387.344957] ? zap_class+0x640/0x640 [ 387.348675] ? enqueue_hrtimer+0x1a5/0x560 [ 387.352903] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 387.358092] ? find_held_lock+0x36/0x1c0 [ 387.362151] ? zap_class+0x640/0x640 [ 387.365859] ? pvclock_read_flags+0x160/0x160 [ 387.370346] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.375876] ? check_preemption_disabled+0x48/0x280 [ 387.380894] ? __lock_is_held+0xb5/0x140 [ 387.384968] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.390504] ? check_preemption_disabled+0x48/0x280 [ 387.395527] run_timer_softirq+0x52/0xb0 [ 387.399582] ? rcu_read_lock_sched_held+0x14f/0x180 [ 387.404606] __do_softirq+0x308/0xb7e [ 387.408407] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 387.412891] ? lock_downgrade+0x900/0x900 [ 387.417032] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 387.422135] ? pvclock_read_flags+0x160/0x160 [ 387.426621] ? lapic_next_event+0x5a/0x90 [ 387.430777] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.436313] ? kvm_clock_read+0x18/0x30 [ 387.440278] ? kvm_sched_clock_read+0x9/0x20 [ 387.444680] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.450209] ? check_preemption_disabled+0x48/0x280 [ 387.455230] irq_exit+0x17f/0x1c0 [ 387.458678] smp_apic_timer_interrupt+0x1cb/0x760 [ 387.463511] ? smp_reschedule_interrupt+0x109/0x650 [ 387.468553] ? smp_call_function_single_interrupt+0x650/0x650 [ 387.474432] ? interrupt_entry+0xb5/0xc0 [ 387.478488] ? trace_hardirqs_off_caller+0xbb/0x310 [ 387.483498] ? trace_hardirqs_off_caller+0xbb/0x310 [ 387.488529] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 387.493368] ? trace_hardirqs_on_caller+0x310/0x310 [ 387.498378] ? trace_hardirqs_on_caller+0x310/0x310 [ 387.503390] ? task_prio+0x50/0x50 [ 387.506953] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.512995] ? check_preemption_disabled+0x48/0x280 [ 387.518014] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 387.522858] apic_timer_interrupt+0xf/0x20 [ 387.527080] [ 387.529313] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 387.534234] Code: 7e 0f 85 cf fe ff ff e8 f6 d7 3f ff e9 c5 fe ff ff e8 4d a2 c3 ff 48 83 3d a5 50 91 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 6a b1 [ 387.553233] RSP: 0000:ffff88019c63f740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 387.560953] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 387.568213] RDX: 0000000000000000 RSI: ffff8801929e68c0 RDI: 0000000000000286 [ 387.575474] RBP: ffff88019c63f7a8 R08: ffff8801929e6040 R09: 0000000000000000 [ 387.582743] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 387.590004] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020 [ 387.597299] skb_clone+0x1bb/0x500 [ 387.600837] ? finish_task_switch+0x2f4/0x910 [ 387.605327] ? skb_split+0x11e0/0x11e0 [ 387.609212] ? preempt_notifier_register+0x200/0x200 [ 387.614324] ? __switch_to_asm+0x34/0x70 [ 387.618377] ? __switch_to_asm+0x34/0x70 [ 387.622430] ? __switch_to_asm+0x40/0x70 [ 387.626483] ? __switch_to_asm+0x34/0x70 [ 387.630537] ? __switch_to_asm+0x40/0x70 [ 387.634606] ? __switch_to_asm+0x34/0x70 [ 387.638669] ? __switch_to_asm+0x40/0x70 [ 387.642732] ? __switch_to_asm+0x34/0x70 [ 387.646798] ? __switch_to_asm+0x34/0x70 [ 387.650853] ? __switch_to_asm+0x40/0x70 [ 387.654910] ? __switch_to_asm+0x34/0x70 [ 387.658969] bpf_clone_redirect+0xb9/0x490 [ 387.663201] ? __schedule+0x8d7/0x21d0 [ 387.667086] bpf_prog_bebbfe2050753572+0x325/0x1000 [ 387.672094] ? __sched_text_start+0x8/0x8 [ 387.676246] ? find_held_lock+0x36/0x1c0 [ 387.680627] ? lock_acquire+0x1ed/0x520 [ 387.684599] ? bpf_test_run+0x3cb/0x780 [ 387.688572] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.694103] ? check_preemption_disabled+0x48/0x280 [ 387.699120] ? kasan_check_read+0x11/0x20 [ 387.703269] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 387.708555] ? rcu_softirq_qs+0x20/0x20 [ 387.712522] ? preempt_schedule+0x4d/0x60 [ 387.716664] ? ___preempt_schedule+0x16/0x18 [ 387.721075] ? bpf_test_run+0x25d/0x780 [ 387.725056] ? netlink_diag_dump+0x2a0/0x2a0 [ 387.729461] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 387.734990] ? bpf_test_init.isra.10+0x70/0x100 [ 387.739656] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 387.744413] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 387.749249] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 387.754780] ? fput+0x130/0x1a0 [ 387.758057] ? __bpf_prog_get+0x9b/0x290 [ 387.762118] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 387.766967] ? bpf_prog_test_run+0x130/0x1a0 [ 387.771370] ? __x64_sys_bpf+0x3d8/0x520 [ 387.775425] ? bpf_prog_get+0x20/0x20 [ 387.779234] ? do_syscall_64+0x1b9/0x820 [ 387.783297] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 387.788655] ? syscall_return_slowpath+0x5e0/0x5e0 [ 387.793577] ? trace_hardirqs_on_caller+0x310/0x310 [ 387.798587] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 387.803597] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 387.810255] ? __switch_to_asm+0x40/0x70 [ 387.814309] ? __switch_to_asm+0x34/0x70 [ 387.818372] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 387.823215] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 387.828592] CPU: 1 PID: 5375 Comm: syz-fuzzer Not tainted 4.19.0+ #72 [ 387.828663] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 387.835165] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 387.835170] Call Trace: [ 387.835177] [ 387.835192] dump_stack+0x244/0x39d [ 387.835209] ? dump_stack_print_info.cold.1+0x20/0x20 [ 387.841736] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 387.851020] warn_alloc.cold.117+0xb7/0x1bd [ 387.853571] syz-executor0 cpuset= [ 387.855714] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 387.859327] syz0 [ 387.864506] ? lock_downgrade+0x900/0x900 [ 387.874962] mems_allowed=0 [ 387.879273] ? trace_hardirqs_off+0xb8/0x310 [ 387.900928] ? trace_hardirqs_off+0xb8/0x310 [ 387.905337] __alloc_pages_slowpath+0x2660/0x2d70 [ 387.910199] ? warn_alloc+0x120/0x120 [ 387.914008] ? warn_alloc+0x120/0x120 [ 387.917810] ? print_usage_bug+0xc0/0xc0 [ 387.921867] ? warn_alloc+0x120/0x120 [ 387.925660] ? print_usage_bug+0xc0/0xc0 [ 387.929722] ? __lock_acquire+0x62f/0x4c20 [ 387.933948] ? __lock_acquire+0x62f/0x4c20 [ 387.938184] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 387.943722] ? should_fail+0x22d/0xd01 [ 387.947606] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 387.952879] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 387.957977] ? __lock_acquire+0x62f/0x4c20 [ 387.962223] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 387.967320] ? __lock_acquire+0x62f/0x4c20 [ 387.971547] ? should_fail+0x22d/0xd01 [ 387.975441] ? rcu_irq_exit+0x1a2/0x390 [ 387.979416] ? mark_held_locks+0x130/0x130 [ 387.983648] ? mark_held_locks+0x130/0x130 [ 387.987882] ? mark_held_locks+0xc7/0x130 [ 387.992025] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 387.997033] ? zap_class+0x640/0x640 [ 388.000740] ? print_usage_bug+0xc0/0xc0 [ 388.004797] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.010327] ? check_preemption_disabled+0x48/0x280 [ 388.015353] ? __lock_is_held+0xb5/0x140 [ 388.019409] __alloc_pages_nodemask+0xa80/0xde0 [ 388.024075] ? zap_class+0x640/0x640 [ 388.027787] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 388.032805] ? find_held_lock+0x36/0x1c0 [ 388.036870] ? ____cache_alloc_node+0x1c7/0x1e0 [ 388.041532] ? lock_downgrade+0x900/0x900 [ 388.045684] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.051228] cache_grow_begin+0xa5/0x8c0 [ 388.055280] ? do_raw_spin_unlock+0xa7/0x330 [ 388.059695] fallback_alloc+0x204/0x2e0 [ 388.063670] ____cache_alloc_node+0x1c7/0x1e0 [ 388.068169] kmem_cache_alloc_node+0xe3/0x730 [ 388.072660] ? ipv6_get_ifaddr+0x42e/0x620 [ 388.076905] __alloc_skb+0x119/0x770 [ 388.080614] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 388.085889] ? netdev_alloc_frag+0x1f0/0x1f0 [ 388.090293] ? lock_downgrade+0x900/0x900 [ 388.094454] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.099991] ? refcount_sub_and_test_checked+0x203/0x310 [ 388.105442] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 388.110886] ? addrconf_rs_timer+0x690/0x690 [ 388.115298] ndisc_alloc_skb+0x144/0x340 [ 388.119358] ndisc_send_rs+0x331/0x6e0 [ 388.123340] addrconf_rs_timer+0x314/0x690 [ 388.127572] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.131814] call_timer_fn+0x272/0x920 [ 388.135700] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.139934] ? process_timeout+0x40/0x40 [ 388.143998] ? mark_held_locks+0xc7/0x130 [ 388.148142] ? _raw_spin_unlock_irq+0x27/0x80 [ 388.152633] ? _raw_spin_unlock_irq+0x27/0x80 [ 388.157115] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.161346] ? lockdep_hardirqs_on+0x296/0x5b0 [ 388.165926] ? trace_hardirqs_on+0xbd/0x310 [ 388.170243] ? kasan_check_read+0x11/0x20 [ 388.174385] ? __run_timers+0x7da/0xc70 [ 388.178352] ? trace_hardirqs_off_caller+0x310/0x310 [ 388.183458] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.187697] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.191925] __run_timers+0x7e5/0xc70 [ 388.195717] ? rcu_irq_exit+0x1a2/0x390 [ 388.199700] ? timer_fixup_init+0x70/0x70 [ 388.203846] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.209379] ? check_preemption_disabled+0x48/0x280 [ 388.214396] ? mark_held_locks+0xc7/0x130 [ 388.218536] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 388.223549] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 388.228305] ? retint_kernel+0x2d/0x2d [ 388.232194] ? trace_hardirqs_on_caller+0xc0/0x310 [ 388.237122] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 388.241874] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 388.247320] ? zap_class+0x640/0x640 [ 388.251034] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.256568] ? check_preemption_disabled+0x48/0x280 [ 388.261585] ? __lock_is_held+0xb5/0x140 [ 388.265641] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.271181] ? check_preemption_disabled+0x48/0x280 [ 388.276201] run_timer_softirq+0x52/0xb0 [ 388.280258] ? rcu_read_lock_sched_held+0x14f/0x180 [ 388.285272] __do_softirq+0x308/0xb7e [ 388.289075] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 388.293567] ? lock_downgrade+0x900/0x900 [ 388.297734] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 388.302839] ? pvclock_read_flags+0x160/0x160 [ 388.307348] ? lapic_next_event+0x5a/0x90 [ 388.311494] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.317033] ? kvm_clock_read+0x18/0x30 [ 388.321004] ? kvm_sched_clock_read+0x9/0x20 [ 388.325407] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.330936] ? check_preemption_disabled+0x48/0x280 [ 388.336043] irq_exit+0x17f/0x1c0 [ 388.339491] smp_apic_timer_interrupt+0x1cb/0x760 [ 388.344324] ? smp_reschedule_interrupt+0x109/0x650 [ 388.349334] ? smp_call_function_single_interrupt+0x650/0x650 [ 388.355213] ? interrupt_entry+0xb5/0xc0 [ 388.359269] ? trace_hardirqs_off_caller+0xbb/0x310 [ 388.364326] ? trace_hardirqs_off_caller+0xbb/0x310 [ 388.369335] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 388.374174] ? trace_hardirqs_on_caller+0x310/0x310 [ 388.379187] ? trace_hardirqs_on_caller+0x310/0x310 [ 388.384198] ? task_prio+0x50/0x50 [ 388.387820] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 388.393351] ? check_preemption_disabled+0x48/0x280 [ 388.398366] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 388.403214] apic_timer_interrupt+0xf/0x20 [ 388.407437] [ 388.409675] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 388.414861] Code: 00 e8 95 31 8e f9 e8 90 e2 bd f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d ea 90 8b 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d c0 90 [ 388.433758] RSP: 0000:ffff8801c4c0e140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 388.441461] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003afce19e [ 388.448749] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d7e70c7c [ 388.456015] RBP: ffff8801c4c0e168 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 388.463277] R10: 0000000000000000 R11: ffff8801d7e70400 R12: dffffc0000000000 [ 388.470539] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478 [ 388.477830] retint_kernel+0x1b/0x2d [ 388.481538] RIP: 0010:dump_stack+0x358/0x39d [ 388.485938] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 91 c1 00 fa 48 83 3d 99 b9 91 01 00 0f 84 63 fe ff ff e8 ee e6 bd f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db e6 bd f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 388.504833] RSP: 0000:ffff8801c4c0e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 388.512554] RAX: ffff8801d7e70400 RBX: 1ffffffff12a3e8e RCX: 1ffff1003afce19e [ 388.519817] RDX: 0000000000000000 RSI: ffffffff87c03ae2 RDI: 0000000000000293 [ 388.527080] RBP: ffff8801c4c0e2c8 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 388.534346] R10: 0000000000000000 R11: ffff8801d7e70400 R12: 1ffff10038981c4c [ 388.541615] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 388.548892] ? dump_stack+0x34f/0x39d [ 388.552696] ? dump_stack_print_info.cold.1+0x20/0x20 [ 388.557890] dump_header+0x27b/0xf72 [ 388.561607] ? mark_held_locks+0x130/0x130 [ 388.565838] ? pagefault_out_of_memory+0x197/0x197 [ 388.570768] ? __lock_acquire+0x62f/0x4c20 [ 388.575003] ? zap_class+0x640/0x640 [ 388.578717] ? percpu_ref_get_many+0x240/0x240 [ 388.583294] ? print_usage_bug+0xc0/0xc0 [ 388.587350] ? print_usage_bug+0xc0/0xc0 [ 388.591426] ? zap_class+0x640/0x640 [ 388.595136] ? print_usage_bug+0xc0/0xc0 [ 388.599194] ? print_usage_bug+0xc0/0xc0 [ 388.603259] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.608799] ? find_held_lock+0x36/0x1c0 [ 388.612863] ? mark_held_locks+0xc7/0x130 [ 388.617009] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 388.622106] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 388.627204] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 388.631781] ? trace_hardirqs_on+0xbd/0x310 [ 388.636102] ? kasan_check_read+0x11/0x20 [ 388.640241] ? ___ratelimit+0x3b4/0x672 [ 388.644213] ? trace_hardirqs_off_caller+0x310/0x310 [ 388.649310] ? trace_hardirqs_on+0x310/0x310 [ 388.653715] ? lock_downgrade+0x900/0x900 [ 388.657863] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 388.662961] ? ___ratelimit+0x3b9/0x672 [ 388.666931] ? idr_get_free+0xec0/0xec0 [ 388.670898] ? find_held_lock+0x36/0x1c0 [ 388.674961] oom_kill_process.cold.27+0x10/0x903 [ 388.679710] ? zap_class+0x640/0x640 [ 388.683415] ? check_preemption_disabled+0x48/0x280 [ 388.688431] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 388.693354] ? kasan_check_read+0x11/0x20 [ 388.697500] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 388.702772] ? oom_evaluate_task+0x540/0x540 [ 388.707179] ? find_held_lock+0x36/0x1c0 [ 388.711246] ? out_of_memory+0x974/0x1430 [ 388.715391] ? lock_downgrade+0x900/0x900 [ 388.719534] ? check_preemption_disabled+0x48/0x280 [ 388.724552] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 388.729475] ? kasan_check_read+0x11/0x20 [ 388.733645] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 388.738918] ? rcu_softirq_qs+0x20/0x20 [ 388.742888] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 388.748417] ? oom_evaluate_task+0x302/0x540 [ 388.752822] out_of_memory+0xa84/0x1430 [ 388.756798] ? oom_killer_disable+0x3a0/0x3a0 [ 388.761319] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 388.766245] ? __mutex_add_waiter+0x2a0/0x2a0 [ 388.770745] __alloc_pages_slowpath+0x22d4/0x2d70 [ 388.775619] ? warn_alloc+0x120/0x120 [ 388.779418] ? rcu_softirq_qs+0x20/0x20 [ 388.783410] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 388.788938] ? should_fail+0x22d/0xd01 [ 388.792823] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 388.797923] ? zap_class+0x640/0x640 [ 388.801659] ? __lock_is_held+0xb5/0x140 [ 388.805719] ? mark_held_locks+0x130/0x130 [ 388.809950] ? lock_release+0xa00/0xa00 [ 388.813920] ? perf_trace_sched_process_exec+0x860/0x860 [ 388.819373] ? __might_sleep+0x95/0x190 [ 388.823347] __alloc_pages_nodemask+0xa80/0xde0 [ 388.828015] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 388.833024] ? __page_cache_alloc+0x191/0x5c0 [ 388.837508] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 388.842428] ? kasan_check_read+0x11/0x20 [ 388.846574] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 388.851850] ? zap_class+0x640/0x640 [ 388.855563] ? zap_class+0x640/0x640 [ 388.859282] ? zap_class+0x640/0x640 [ 388.862997] ? __do_page_cache_readahead+0x7ce/0x980 [ 388.868100] ? find_held_lock+0x36/0x1c0 [ 388.872166] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 388.877723] alloc_pages_current+0x173/0x350 [ 388.882136] __page_cache_alloc+0x38c/0x5c0 [ 388.886452] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 388.891392] ? kasan_check_read+0x11/0x20 [ 388.895535] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 388.900815] ? generic_perform_write+0x6a0/0x6a0 [ 388.905567] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 388.911091] ? check_preemption_disabled+0x48/0x280 [ 388.916105] filemap_fault+0x1594/0x25f0 [ 388.920177] ? __lock_page_or_retry+0xa00/0xa00 [ 388.924843] ? mark_held_locks+0x130/0x130 [ 388.929073] ? rcu_softirq_qs+0x20/0x20 [ 388.933051] ? filemap_map_pages+0xe04/0x1990 [ 388.937557] ? __free_object+0x173/0x340 [ 388.941622] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 388.946545] ? trace_hardirqs_off_caller+0x310/0x310 [ 388.951649] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 388.956328] ? debug_object_free+0x32d/0x690 [ 388.960734] ? kasan_check_read+0x11/0x20 [ 388.964883] ? debug_object_destroy+0x2b0/0x2b0 [ 388.969547] ? lock_pi_update_atomic+0x150/0x150 [ 388.974311] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.979845] ? __hrtimer_init+0xdb/0x240 [ 388.983908] ? lock_acquire+0x1ed/0x520 [ 388.987873] ? ext4_filemap_fault+0x7a/0xad [ 388.992196] ? lock_release+0xa00/0xa00 [ 388.996160] ? perf_trace_sched_process_exec+0x860/0x860 [ 389.001605] ? print_usage_bug+0xc0/0xc0 [ 389.005688] ? print_usage_bug+0xc0/0xc0 [ 389.009760] ? down_read+0x8d/0x120 [ 389.013382] ? ext4_filemap_fault+0x7a/0xad [ 389.017701] ? __down_interruptible+0x700/0x700 [ 389.022371] ext4_filemap_fault+0x82/0xad [ 389.026517] __do_fault+0x100/0x6b0 [ 389.030145] ? pmd_devmap_trans_unstable+0x220/0x220 [ 389.035247] ? mark_held_locks+0x130/0x130 [ 389.039477] ? mark_held_locks+0x130/0x130 [ 389.043715] ? debug_smp_processor_id+0x1c/0x20 [ 389.048378] ? perf_trace_lock+0x14d/0x7a0 [ 389.052615] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 389.058149] __handle_mm_fault+0x307c/0x5920 [ 389.062560] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 389.067396] ? lock_is_held_type+0x210/0x210 [ 389.071816] ? zap_class+0x640/0x640 [ 389.075522] ? zap_class+0x640/0x640 [ 389.079229] ? __x64_sys_futex+0x53e/0x6a0 [ 389.083463] ? find_held_lock+0x36/0x1c0 [ 389.087527] ? handle_mm_fault+0x42a/0xc70 [ 389.091761] ? lock_downgrade+0x900/0x900 [ 389.095904] ? check_preemption_disabled+0x48/0x280 [ 389.100920] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 389.105844] ? kasan_check_read+0x11/0x20 [ 389.110017] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 389.115289] ? rcu_softirq_qs+0x20/0x20 [ 389.119349] ? trace_hardirqs_off_caller+0x310/0x310 [ 389.124460] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 389.129993] ? check_preemption_disabled+0x48/0x280 [ 389.135011] handle_mm_fault+0x54f/0xc70 [ 389.139188] ? __handle_mm_fault+0x5920/0x5920 [ 389.143775] ? find_vma+0x34/0x190 [ 389.147314] __do_page_fault+0x5e8/0xe60 [ 389.151371] ? trace_hardirqs_off+0xb8/0x310 [ 389.155773] ? __ia32_sys_read+0xb0/0xb0 [ 389.159839] do_page_fault+0xf2/0x7e0 [ 389.163642] ? vmalloc_sync_all+0x30/0x30 [ 389.167788] ? error_entry+0x70/0xd0 [ 389.171501] ? trace_hardirqs_off_caller+0xbb/0x310 [ 389.176511] ? trace_hardirqs_on_caller+0xc0/0x310 [ 389.181436] ? syscall_return_slowpath+0x5e0/0x5e0 [ 389.186357] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 389.191198] ? trace_hardirqs_on_caller+0x310/0x310 [ 389.196207] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 389.201659] ? prepare_exit_to_usermode+0x291/0x3b0 [ 389.206668] ? page_fault+0x8/0x30 [ 389.210216] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 389.215052] ? page_fault+0x8/0x30 [ 389.218587] page_fault+0x1e/0x30 [ 389.222037] RIP: 0033:0x45ddf3 [ 389.225236] Code: Bad RIP value. [ 389.228598] RSP: 002b:000000c4200206a0 EFLAGS: 00010206 [ 389.233957] RAX: ffffffffffffff92 RBX: 000000003b974269 RCX: 000000000045ddf3 [ 389.241220] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e1060 [ 389.248483] RBP: 000000c4200206e8 R08: 0000000000000000 R09: 0000000000000000 [ 389.255746] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001 [ 389.263007] R13: 0000000000000007 R14: 0000000000b7f720 R15: 000000000000bdf9 [ 389.270292] warn_alloc_show_mem: 1 callbacks suppressed [ 389.270301] CPU: 0 PID: 17787 Comm: syz-executor0 Not tainted 4.19.0+ #72 [ 389.270302] Mem-Info: [ 389.270331] active_anon:46452 inactive_anon:2315 isolated_anon:0 [ 389.270331] active_file:13 inactive_file:13 isolated_file:0 [ 389.270331] unevictable:0 dirty:0 writeback:0 unstable:0 [ 389.270331] slab_reclaimable:9341 slab_unreclaimable:1470635 [ 389.270331] mapped:24578 shmem:7010 pagetables:528 bounce:0 [ 389.270331] free:13753 free_pcp:603 free_cma:0 [ 389.275660] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 389.275667] Call Trace: [ 389.282596] Node 0 active_anon:185808kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:28040kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 389.284989] [ 389.318015] Node 0 [ 389.327357] dump_stack+0x244/0x39d [ 389.329932] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 389.357480] ? dump_stack_print_info.cold.1+0x20/0x20 [ 389.359607] lowmem_reserve[]: [ 389.361839] warn_alloc.cold.117+0xb7/0x1bd [ 389.365423] 0 2818 [ 389.390918] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 389.396077] 6321 [ 389.399169] ? lock_downgrade+0x900/0x900 [ 389.403458] 6321 [ 389.405714] ? trace_hardirqs_off+0xb8/0x310 [ 389.410539] Node 0 [ 389.412599] ? trace_hardirqs_off+0xb8/0x310 [ 389.416734] DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 389.418765] __alloc_pages_slowpath+0x2660/0x2d70 [ 389.423134] lowmem_reserve[]: 0 [ 389.425407] ? warn_alloc+0x120/0x120 [ 389.429758] 0 3503 [ 389.456731] ? warn_alloc+0x120/0x120 [ 389.461540] 3503 [ 389.464814] ? print_usage_bug+0xc0/0xc0 [ 389.468583] Node 0 Normal free:13924kB min:37364kB low:46704kB high:56044kB active_anon:183760kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5536kB pagetables:2112kB bounce:0kB free_pcp:2164kB local_pcp:1336kB free_cma:0kB [ 389.470818] ? warn_alloc+0x120/0x120 [ 389.474592] lowmem_reserve[]: [ 389.476643] ? print_usage_bug+0xc0/0xc0 [ 389.480672] 0 0 [ 389.509812] ? __lock_acquire+0x62f/0x4c20 [ 389.513842] 0 0 [ 389.516960] ? __lock_acquire+0x62f/0x4c20 [ 389.520989] Node 0 [ 389.522957] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 389.527159] DMA: 1*4kB [ 389.529132] ? should_fail+0x22d/0xd01 [ 389.533350] (U) [ 389.535603] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 389.541107] 0*8kB 0*16kB [ 389.543685] ? __lock_acquire+0x62f/0x4c20 [ 389.547538] 1*32kB (U) [ 389.549509] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 389.554590] 2*64kB [ 389.557335] ? __lock_acquire+0x62f/0x4c20 [ 389.561537] (U) [ 389.564107] ? should_fail+0x22d/0xd01 [ 389.569180] 1*128kB (U) [ 389.571411] ? find_held_lock+0x36/0x1c0 [ 389.575617] 1*256kB [ 389.577593] ? mark_held_locks+0x130/0x130 [ 389.581438] (U) 0*512kB [ 389.584109] ? mark_held_locks+0x130/0x130 [ 389.588141] 1*1024kB (U) [ 389.590458] ? zap_class+0x640/0x640 [ 389.594660] 1*2048kB (M) [ 389.597323] ? zap_class+0x640/0x640 [ 389.601524] 3*4096kB (M) [ 389.604276] ? print_usage_bug+0xc0/0xc0 [ 389.607954] = 15908kB [ 389.607960] Node 0 [ 389.610706] ? do_raw_spin_unlock+0xa7/0x330 [ 389.614388] DMA32: 5*4kB [ 389.617138] ? zap_class+0x640/0x640 [ 389.621169] (UM) [ 389.623574] ? print_usage_bug+0xc0/0xc0 [ 389.625773] 1*8kB (H) [ 389.630172] ? wq_watchdog_touch+0x9c/0xfe [ 389.632896] 2*16kB (M) [ 389.636609] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.638643] 3*32kB [ 389.642692] ? check_preemption_disabled+0x48/0x280 [ 389.645173] (M) [ 389.649399] ? __lock_is_held+0xb5/0x140 [ 389.651947] 3*64kB (MH) [ 389.657480] __alloc_pages_nodemask+0xa80/0xde0 [ 389.659693] 4*128kB [ 389.664690] ? zap_class+0x640/0x640 [ 389.666636] (M) [ 389.670687] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 389.673327] 5*256kB (UMH) [ 389.678353] ? find_held_lock+0x36/0x1c0 [ 389.680649] 5*512kB [ 389.684352] ? ____cache_alloc_node+0x1c7/0x1e0 [ 389.686300] (UMH) [ 389.691301] ? lock_downgrade+0x900/0x900 [ 389.694115] 4*1024kB (UMH) [ 389.698173] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.700464] 2*2048kB (UM) [ 389.705128] cache_grow_begin+0xa5/0x8c0 [ 389.707244] 3*4096kB (M) [ 389.711381] ? do_raw_spin_unlock+0xa7/0x330 [ 389.714277] = 25180kB [ 389.714284] Node 0 [ 389.719810] fallback_alloc+0x204/0x2e0 [ 389.722623] Normal: 1917*4kB [ 389.726681] ____cache_alloc_node+0x1c7/0x1e0 [ 389.729408] (UME) [ 389.733801] kmem_cache_alloc_node+0xe3/0x730 [ 389.736191] 392*8kB [ 389.738415] ? ipv6_get_ifaddr+0x42e/0x620 [ 389.742356] (UME) [ 389.745454] __alloc_skb+0x119/0x770 [ 389.749911] 105*16kB (UME) [ 389.752056] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 389.756518] 43*32kB (UM) [ 389.758838] ? netdev_alloc_frag+0x1f0/0x1f0 [ 389.763040] 1*64kB (U) [ 389.765184] ? lock_downgrade+0x900/0x900 [ 389.768865] 0*128kB 0*256kB [ 389.771797] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.777040] 0*512kB [ 389.779791] ? refcount_sub_and_test_checked+0x203/0x310 [ 389.784160] 0*1024kB 0*2048kB [ 389.786745] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 389.790855] 0*4096kB = 13924kB [ 389.793870] ? addrconf_rs_timer+0x690/0x690 [ 389.799384] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 389.801701] ndisc_alloc_skb+0x144/0x340 [ 389.807117] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 389.810289] ndisc_send_rs+0x331/0x6e0 [ 389.815709] 7036 total pagecache pages [ 389.818887] addrconf_rs_timer+0x314/0x690 [ 389.823280] 0 pages in swap cache [ 389.832094] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.836131] Swap cache stats: add 0, delete 0, find 0/0 [ 389.844697] call_timer_fn+0x272/0x920 [ 389.848557] Free swap = 0kB [ 389.852540] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.856751] Total swap = 0kB [ 389.860199] ? process_timeout+0x40/0x40 [ 389.864407] 1965979 pages RAM [ 389.869763] ? __run_timers+0x7da/0xc70 [ 389.873612] 0 pages HighMem/MovableOnly [ 389.873619] 342867 pages reserved [ 389.876624] ? _raw_spin_unlock_irq+0x27/0x80 [ 389.880823] 0 pages cma reserved [ 389.880892] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 389.883830] ? _raw_spin_unlock_irq+0x27/0x80 [ 389.883842] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.883857] ? lockdep_hardirqs_on+0x296/0x5b0 [ 389.887944] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 389.890987] ? trace_hardirqs_on+0xbd/0x310 [ 389.894947] syz-fuzzer cpuset= [ 389.898905] ? kasan_check_read+0x11/0x20 [ 389.898921] ? __run_timers+0x7da/0xc70 [ 389.902345] / [ 389.906825] ? trace_hardirqs_off_caller+0x310/0x310 [ 389.910165] mems_allowed=0 [ 389.916644] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.969575] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.973812] __run_timers+0x7e5/0xc70 [ 389.977623] ? timer_fixup_init+0x70/0x70 [ 389.981763] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 389.986772] ? zap_class+0x640/0x640 [ 389.990483] ? enqueue_hrtimer+0x1a5/0x560 [ 389.994715] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 389.999938] ? find_held_lock+0x36/0x1c0 [ 390.003998] ? zap_class+0x640/0x640 [ 390.007723] ? pvclock_read_flags+0x160/0x160 [ 390.012212] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.017753] ? check_preemption_disabled+0x48/0x280 [ 390.022769] ? __lock_is_held+0xb5/0x140 [ 390.026844] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.032372] ? check_preemption_disabled+0x48/0x280 [ 390.037387] run_timer_softirq+0x52/0xb0 [ 390.041441] ? rcu_read_lock_sched_held+0x14f/0x180 [ 390.046449] __do_softirq+0x308/0xb7e [ 390.050248] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 390.054739] ? lock_downgrade+0x900/0x900 [ 390.058883] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 390.063987] ? pvclock_read_flags+0x160/0x160 [ 390.068479] ? lapic_next_event+0x5a/0x90 [ 390.072642] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.078176] ? kvm_clock_read+0x18/0x30 [ 390.082177] ? kvm_sched_clock_read+0x9/0x20 [ 390.086581] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.092115] ? check_preemption_disabled+0x48/0x280 [ 390.097131] irq_exit+0x17f/0x1c0 [ 390.100578] smp_apic_timer_interrupt+0x1cb/0x760 [ 390.105411] ? smp_reschedule_interrupt+0x109/0x650 [ 390.110424] ? smp_call_function_single_interrupt+0x650/0x650 [ 390.116301] ? interrupt_entry+0xb5/0xc0 [ 390.120354] ? trace_hardirqs_off_caller+0xbb/0x310 [ 390.125363] ? trace_hardirqs_off_caller+0xbb/0x310 [ 390.130377] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 390.135216] ? trace_hardirqs_on_caller+0x310/0x310 [ 390.140244] ? trace_hardirqs_on_caller+0x310/0x310 [ 390.145250] ? task_prio+0x50/0x50 [ 390.148786] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.154318] ? check_preemption_disabled+0x48/0x280 [ 390.159331] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 390.164172] apic_timer_interrupt+0xf/0x20 [ 390.168424] [ 390.170658] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 390.175583] Code: 7e 0f 85 cf fe ff ff e8 f6 d7 3f ff e9 c5 fe ff ff e8 4d a2 c3 ff 48 83 3d a5 50 91 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 6a b1 [ 390.194473] RSP: 0000:ffff88019c63f740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 390.202175] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 390.209436] RDX: 0000000000000000 RSI: ffff8801929e68c0 RDI: 0000000000000286 [ 390.216707] RBP: ffff88019c63f7a8 R08: ffff8801929e6040 R09: 0000000000000000 [ 390.223972] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 390.231235] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020 [ 390.238543] skb_clone+0x1bb/0x500 [ 390.242078] ? finish_task_switch+0x2f4/0x910 [ 390.246568] ? skb_split+0x11e0/0x11e0 [ 390.250451] ? preempt_notifier_register+0x200/0x200 [ 390.255548] ? __switch_to_asm+0x34/0x70 [ 390.259604] ? __switch_to_asm+0x34/0x70 [ 390.263655] ? __switch_to_asm+0x40/0x70 [ 390.267714] ? __switch_to_asm+0x34/0x70 [ 390.271770] ? __switch_to_asm+0x40/0x70 [ 390.275824] ? __switch_to_asm+0x34/0x70 [ 390.279877] ? __switch_to_asm+0x40/0x70 [ 390.283947] ? __switch_to_asm+0x34/0x70 [ 390.288017] ? __switch_to_asm+0x34/0x70 [ 390.292070] ? __switch_to_asm+0x40/0x70 [ 390.296123] ? __switch_to_asm+0x34/0x70 [ 390.300179] bpf_clone_redirect+0xb9/0x490 [ 390.304435] ? __schedule+0x8d7/0x21d0 [ 390.308319] bpf_prog_bebbfe2050753572+0x325/0x1000 [ 390.313328] ? __sched_text_start+0x8/0x8 [ 390.317480] ? find_held_lock+0x36/0x1c0 [ 390.321554] ? lock_acquire+0x1ed/0x520 [ 390.325536] ? bpf_test_run+0x3cb/0x780 [ 390.329509] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.335045] ? check_preemption_disabled+0x48/0x280 [ 390.340060] ? kasan_check_read+0x11/0x20 [ 390.344221] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 390.349500] ? rcu_softirq_qs+0x20/0x20 [ 390.353479] ? preempt_schedule+0x4d/0x60 [ 390.357640] ? ___preempt_schedule+0x16/0x18 [ 390.362068] ? bpf_test_run+0x25d/0x780 [ 390.366081] ? netlink_diag_dump+0x2a0/0x2a0 [ 390.370484] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 390.376020] ? bpf_test_init.isra.10+0x70/0x100 [ 390.380698] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 390.385455] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 390.390290] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 390.395824] ? fput+0x130/0x1a0 [ 390.399107] ? __bpf_prog_get+0x9b/0x290 [ 390.403166] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 390.408015] ? bpf_prog_test_run+0x130/0x1a0 [ 390.412420] ? __x64_sys_bpf+0x3d8/0x520 [ 390.416476] ? bpf_prog_get+0x20/0x20 [ 390.420313] ? do_syscall_64+0x1b9/0x820 [ 390.424387] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 390.429743] ? syscall_return_slowpath+0x5e0/0x5e0 [ 390.434667] ? trace_hardirqs_on_caller+0x310/0x310 [ 390.439683] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 390.444696] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 390.451357] ? __switch_to_asm+0x40/0x70 [ 390.455415] ? __switch_to_asm+0x34/0x70 [ 390.459476] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 390.464328] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 390.469702] CPU: 1 PID: 5375 Comm: syz-fuzzer Not tainted 4.19.0+ #72 [ 390.469774] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 390.476284] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 390.476289] Call Trace: [ 390.476293] [ 390.476308] dump_stack+0x244/0x39d [ 390.476326] ? dump_stack_print_info.cold.1+0x20/0x20 [ 390.482892] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 390.492168] warn_alloc.cold.117+0xb7/0x1bd [ 390.494719] syz-executor0 cpuset= [ 390.496858] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 390.500454] syz0 [ 390.505631] ? lock_downgrade+0x900/0x900 [ 390.516084] mems_allowed=0 [ 390.520402] ? trace_hardirqs_off+0xb8/0x310 [ 390.542055] ? trace_hardirqs_off+0xb8/0x310 [ 390.546465] __alloc_pages_slowpath+0x2660/0x2d70 [ 390.551348] ? warn_alloc+0x120/0x120 [ 390.555152] ? warn_alloc+0x120/0x120 [ 390.558948] ? print_usage_bug+0xc0/0xc0 [ 390.563021] ? warn_alloc+0x120/0x120 [ 390.566819] ? print_usage_bug+0xc0/0xc0 [ 390.570897] ? __lock_acquire+0x62f/0x4c20 [ 390.575126] ? __lock_acquire+0x62f/0x4c20 [ 390.579363] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 390.584894] ? should_fail+0x22d/0xd01 [ 390.588779] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 390.593877] ? __lock_acquire+0x62f/0x4c20 [ 390.598111] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 390.603206] ? __lock_acquire+0x62f/0x4c20 [ 390.607433] ? should_fail+0x22d/0xd01 [ 390.611332] ? find_held_lock+0x36/0x1c0 [ 390.615393] ? mark_held_locks+0x130/0x130 [ 390.619628] ? mark_held_locks+0x130/0x130 [ 390.623855] ? zap_class+0x640/0x640 [ 390.627568] ? zap_class+0x640/0x640 [ 390.631278] ? print_usage_bug+0xc0/0xc0 [ 390.635330] ? do_raw_spin_unlock+0xa7/0x330 [ 390.639735] ? zap_class+0x640/0x640 [ 390.643442] ? print_usage_bug+0xc0/0xc0 [ 390.647515] ? wq_watchdog_touch+0x9c/0xfe [ 390.651747] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.657294] ? check_preemption_disabled+0x48/0x280 [ 390.662312] ? __lock_is_held+0xb5/0x140 [ 390.666512] __alloc_pages_nodemask+0xa80/0xde0 [ 390.671173] ? zap_class+0x640/0x640 [ 390.674886] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 390.679904] ? find_held_lock+0x36/0x1c0 [ 390.683970] ? ____cache_alloc_node+0x1c7/0x1e0 [ 390.688642] ? lock_downgrade+0x900/0x900 [ 390.692794] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.698351] cache_grow_begin+0xa5/0x8c0 [ 390.702502] ? do_raw_spin_unlock+0xa7/0x330 [ 390.706914] fallback_alloc+0x204/0x2e0 [ 390.710888] ____cache_alloc_node+0x1c7/0x1e0 [ 390.715380] kmem_cache_alloc_node+0xe3/0x730 [ 390.719873] ? ipv6_get_ifaddr+0x42e/0x620 [ 390.724108] __alloc_skb+0x119/0x770 [ 390.727819] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 390.733094] ? netdev_alloc_frag+0x1f0/0x1f0 [ 390.737504] ? lock_downgrade+0x900/0x900 [ 390.741659] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.747205] ? refcount_sub_and_test_checked+0x203/0x310 [ 390.752659] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 390.758106] ? addrconf_rs_timer+0x690/0x690 [ 390.762523] ndisc_alloc_skb+0x144/0x340 [ 390.766588] ndisc_send_rs+0x331/0x6e0 [ 390.770479] addrconf_rs_timer+0x314/0x690 [ 390.774711] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.778949] call_timer_fn+0x272/0x920 [ 390.782833] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.787067] ? process_timeout+0x40/0x40 [ 390.791130] ? mark_held_locks+0xc7/0x130 [ 390.795276] ? _raw_spin_unlock_irq+0x27/0x80 [ 390.799769] ? _raw_spin_unlock_irq+0x27/0x80 [ 390.804255] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.808494] ? lockdep_hardirqs_on+0x296/0x5b0 [ 390.813075] ? trace_hardirqs_on+0xbd/0x310 [ 390.817404] ? kasan_check_read+0x11/0x20 [ 390.821558] ? __run_timers+0x7da/0xc70 [ 390.825531] ? trace_hardirqs_off_caller+0x310/0x310 [ 390.830645] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.834877] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.839104] __run_timers+0x7e5/0xc70 [ 390.842902] ? rcu_irq_exit+0x1a2/0x390 [ 390.846878] ? timer_fixup_init+0x70/0x70 [ 390.851019] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.856549] ? check_preemption_disabled+0x48/0x280 [ 390.861569] ? mark_held_locks+0xc7/0x130 [ 390.865716] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 390.870733] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 390.875493] ? retint_kernel+0x2d/0x2d [ 390.879377] ? trace_hardirqs_on_caller+0xc0/0x310 [ 390.884303] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 390.889066] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 390.894511] ? zap_class+0x640/0x640 [ 390.898221] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.903770] ? check_preemption_disabled+0x48/0x280 [ 390.908789] ? __lock_is_held+0xb5/0x140 [ 390.912876] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.918405] ? check_preemption_disabled+0x48/0x280 [ 390.923424] run_timer_softirq+0x52/0xb0 [ 390.927488] ? rcu_read_lock_sched_held+0x14f/0x180 [ 390.932497] __do_softirq+0x308/0xb7e [ 390.936295] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 390.940800] ? lock_downgrade+0x900/0x900 [ 390.944944] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 390.950054] ? pvclock_read_flags+0x160/0x160 [ 390.954544] ? lapic_next_event+0x5a/0x90 [ 390.958686] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.964220] ? kvm_clock_read+0x18/0x30 [ 390.968187] ? kvm_sched_clock_read+0x9/0x20 [ 390.972593] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.978124] ? check_preemption_disabled+0x48/0x280 [ 390.983142] irq_exit+0x17f/0x1c0 [ 390.986590] smp_apic_timer_interrupt+0x1cb/0x760 [ 390.991425] ? smp_reschedule_interrupt+0x109/0x650 [ 390.996440] ? smp_call_function_single_interrupt+0x650/0x650 [ 391.002334] ? interrupt_entry+0xb5/0xc0 [ 391.006394] ? trace_hardirqs_off_caller+0xbb/0x310 [ 391.011405] ? trace_hardirqs_off_caller+0xbb/0x310 [ 391.016430] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 391.021271] ? trace_hardirqs_on_caller+0x310/0x310 [ 391.026282] ? trace_hardirqs_on_caller+0x310/0x310 [ 391.031289] ? task_prio+0x50/0x50 [ 391.034837] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 391.040370] ? check_preemption_disabled+0x48/0x280 [ 391.045398] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 391.050241] apic_timer_interrupt+0xf/0x20 [ 391.054470] [ 391.056704] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 391.061888] Code: 00 e8 95 31 8e f9 e8 90 e2 bd f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d ea 90 8b 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d c0 90 [ 391.080783] RSP: 0000:ffff8801c4c0e140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 391.088488] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003afce19e [ 391.095784] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d7e70c7c [ 391.103045] RBP: ffff8801c4c0e168 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 391.110305] R10: 0000000000000000 R11: ffff8801d7e70400 R12: dffffc0000000000 [ 391.117580] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478 [ 391.124867] retint_kernel+0x1b/0x2d [ 391.128587] RIP: 0010:dump_stack+0x358/0x39d [ 391.132987] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 91 c1 00 fa 48 83 3d 99 b9 91 01 00 0f 84 63 fe ff ff e8 ee e6 bd f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db e6 bd f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 391.151877] RSP: 0000:ffff8801c4c0e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 391.159578] RAX: ffff8801d7e70400 RBX: 1ffffffff12a3e8e RCX: 1ffff1003afce19e [ 391.166838] RDX: 0000000000000000 RSI: ffffffff87c03ae2 RDI: 0000000000000293 [ 391.174098] RBP: ffff8801c4c0e2c8 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 391.181359] R10: 0000000000000000 R11: ffff8801d7e70400 R12: 1ffff10038981c4c [ 391.188621] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 391.195901] ? dump_stack+0x34f/0x39d [ 391.199706] ? dump_stack_print_info.cold.1+0x20/0x20 [ 391.204912] dump_header+0x27b/0xf72 [ 391.208629] ? mark_held_locks+0x130/0x130 [ 391.212860] ? pagefault_out_of_memory+0x197/0x197 [ 391.217792] ? __lock_acquire+0x62f/0x4c20 [ 391.222022] ? zap_class+0x640/0x640 [ 391.225749] ? percpu_ref_get_many+0x240/0x240 [ 391.230325] ? print_usage_bug+0xc0/0xc0 [ 391.234492] ? print_usage_bug+0xc0/0xc0 [ 391.238551] ? zap_class+0x640/0x640 [ 391.242262] ? print_usage_bug+0xc0/0xc0 [ 391.246316] ? print_usage_bug+0xc0/0xc0 [ 391.250379] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.255917] ? find_held_lock+0x36/0x1c0 [ 391.259985] ? mark_held_locks+0xc7/0x130 [ 391.264130] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 391.269235] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 391.274331] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 391.278909] ? trace_hardirqs_on+0xbd/0x310 [ 391.283235] ? kasan_check_read+0x11/0x20 [ 391.287375] ? ___ratelimit+0x3b4/0x672 [ 391.291347] ? trace_hardirqs_off_caller+0x310/0x310 [ 391.296450] ? trace_hardirqs_on+0x310/0x310 [ 391.300872] ? lock_downgrade+0x900/0x900 [ 391.305021] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 391.310121] ? ___ratelimit+0x3b9/0x672 [ 391.314095] ? idr_get_free+0xec0/0xec0 [ 391.318064] ? find_held_lock+0x36/0x1c0 [ 391.322129] oom_kill_process.cold.27+0x10/0x903 [ 391.326878] ? zap_class+0x640/0x640 [ 391.330584] ? check_preemption_disabled+0x48/0x280 [ 391.335609] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 391.340529] ? kasan_check_read+0x11/0x20 [ 391.344686] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 391.349963] ? oom_evaluate_task+0x540/0x540 [ 391.354368] ? find_held_lock+0x36/0x1c0 [ 391.358436] ? out_of_memory+0x974/0x1430 [ 391.362577] ? lock_downgrade+0x900/0x900 [ 391.366715] ? check_preemption_disabled+0x48/0x280 [ 391.371731] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 391.376654] ? kasan_check_read+0x11/0x20 [ 391.380799] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 391.386090] ? rcu_softirq_qs+0x20/0x20 [ 391.390066] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 391.395597] ? oom_evaluate_task+0x302/0x540 [ 391.400001] out_of_memory+0xa84/0x1430 [ 391.403977] ? oom_killer_disable+0x3a0/0x3a0 [ 391.408470] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 391.413399] ? __mutex_add_waiter+0x2a0/0x2a0 [ 391.417909] __alloc_pages_slowpath+0x22d4/0x2d70 [ 391.422774] ? warn_alloc+0x120/0x120 [ 391.426569] ? rcu_softirq_qs+0x20/0x20 [ 391.430564] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 391.436092] ? should_fail+0x22d/0xd01 [ 391.439979] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 391.445079] ? zap_class+0x640/0x640 [ 391.448810] ? __lock_is_held+0xb5/0x140 [ 391.452878] ? mark_held_locks+0x130/0x130 [ 391.457109] ? lock_release+0xa00/0xa00 [ 391.461163] ? perf_trace_sched_process_exec+0x860/0x860 [ 391.466631] ? __might_sleep+0x95/0x190 [ 391.470619] __alloc_pages_nodemask+0xa80/0xde0 [ 391.475287] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 391.480307] ? __page_cache_alloc+0x191/0x5c0 [ 391.484799] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 391.489720] ? kasan_check_read+0x11/0x20 [ 391.493862] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 391.499137] ? zap_class+0x640/0x640 [ 391.502854] ? zap_class+0x640/0x640 [ 391.506558] ? zap_class+0x640/0x640 [ 391.510551] ? __do_page_cache_readahead+0x7ce/0x980 [ 391.515654] ? find_held_lock+0x36/0x1c0 [ 391.519717] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 391.525274] alloc_pages_current+0x173/0x350 [ 391.529688] __page_cache_alloc+0x38c/0x5c0 [ 391.534003] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 391.538928] ? kasan_check_read+0x11/0x20 [ 391.543076] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 391.548348] ? generic_perform_write+0x6a0/0x6a0 [ 391.553103] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 391.558653] ? check_preemption_disabled+0x48/0x280 [ 391.563669] filemap_fault+0x1594/0x25f0 [ 391.567735] ? __lock_page_or_retry+0xa00/0xa00 [ 391.572397] ? mark_held_locks+0x130/0x130 [ 391.576636] ? rcu_softirq_qs+0x20/0x20 [ 391.580619] ? filemap_map_pages+0xe04/0x1990 [ 391.585119] ? __free_object+0x173/0x340 [ 391.589177] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 391.594099] ? trace_hardirqs_off_caller+0x310/0x310 [ 391.599194] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 391.603878] ? debug_object_free+0x32d/0x690 [ 391.608303] ? kasan_check_read+0x11/0x20 [ 391.612446] ? debug_object_destroy+0x2b0/0x2b0 [ 391.617120] ? lock_pi_update_atomic+0x150/0x150 [ 391.621989] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.627519] ? __hrtimer_init+0xdb/0x240 [ 391.631605] ? lock_acquire+0x1ed/0x520 [ 391.635572] ? ext4_filemap_fault+0x7a/0xad [ 391.639893] ? lock_release+0xa00/0xa00 [ 391.643864] ? perf_trace_sched_process_exec+0x860/0x860 [ 391.649312] ? print_usage_bug+0xc0/0xc0 [ 391.653367] ? print_usage_bug+0xc0/0xc0 [ 391.657449] ? down_read+0x8d/0x120 [ 391.661069] ? ext4_filemap_fault+0x7a/0xad [ 391.665385] ? __down_interruptible+0x700/0x700 [ 391.670062] ext4_filemap_fault+0x82/0xad [ 391.674210] __do_fault+0x100/0x6b0 [ 391.678326] ? pmd_devmap_trans_unstable+0x220/0x220 [ 391.683428] ? mark_held_locks+0x130/0x130 [ 391.687661] ? mark_held_locks+0x130/0x130 [ 391.691907] ? debug_smp_processor_id+0x1c/0x20 [ 391.696567] ? perf_trace_lock+0x14d/0x7a0 [ 391.700803] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 391.706355] __handle_mm_fault+0x307c/0x5920 [ 391.710766] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 391.715602] ? lock_is_held_type+0x210/0x210 [ 391.720021] ? zap_class+0x640/0x640 [ 391.723730] ? zap_class+0x640/0x640 [ 391.727434] ? __x64_sys_futex+0x53e/0x6a0 [ 391.731671] ? find_held_lock+0x36/0x1c0 [ 391.735737] ? handle_mm_fault+0x42a/0xc70 [ 391.739973] ? lock_downgrade+0x900/0x900 [ 391.744111] ? check_preemption_disabled+0x48/0x280 [ 391.749126] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 391.754056] ? kasan_check_read+0x11/0x20 [ 391.758220] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 391.763492] ? rcu_softirq_qs+0x20/0x20 [ 391.767471] ? trace_hardirqs_off_caller+0x310/0x310 [ 391.772580] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 391.778112] ? check_preemption_disabled+0x48/0x280 [ 391.783129] handle_mm_fault+0x54f/0xc70 [ 391.787186] ? __handle_mm_fault+0x5920/0x5920 [ 391.791771] ? find_vma+0x34/0x190 [ 391.795312] __do_page_fault+0x5e8/0xe60 [ 391.799369] ? trace_hardirqs_off+0xb8/0x310 [ 391.803777] ? __ia32_sys_read+0xb0/0xb0 [ 391.807843] do_page_fault+0xf2/0x7e0 [ 391.811640] ? vmalloc_sync_all+0x30/0x30 [ 391.815791] ? error_entry+0x70/0xd0 [ 391.819499] ? trace_hardirqs_off_caller+0xbb/0x310 [ 391.824507] ? trace_hardirqs_on_caller+0xc0/0x310 [ 391.829432] ? syscall_return_slowpath+0x5e0/0x5e0 [ 391.834354] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 391.839194] ? trace_hardirqs_on_caller+0x310/0x310 [ 391.844202] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 391.849649] ? prepare_exit_to_usermode+0x291/0x3b0 [ 391.854660] ? page_fault+0x8/0x30 [ 391.858196] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 391.863037] ? page_fault+0x8/0x30 [ 391.866571] page_fault+0x1e/0x30 [ 391.870016] RIP: 0033:0x45ddf3 [ 391.873221] Code: Bad RIP value. [ 391.876578] RSP: 002b:000000c4200206a0 EFLAGS: 00010206 [ 391.881937] RAX: ffffffffffffff92 RBX: 000000003b974269 RCX: 000000000045ddf3 [ 391.889215] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e1060 [ 391.896476] RBP: 000000c4200206e8 R08: 0000000000000000 R09: 0000000000000000 [ 391.903739] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001 [ 391.911001] R13: 0000000000000007 R14: 0000000000b7f720 R15: 000000000000bdf9 [ 391.918291] CPU: 0 PID: 17787 Comm: syz-executor0 Not tainted 4.19.0+ #72 [ 391.918295] warn_alloc_show_mem: 1 callbacks suppressed [ 391.918301] Mem-Info: [ 391.925218] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 391.930577] active_anon:46452 inactive_anon:2315 isolated_anon:0 [ 391.930577] active_file:13 inactive_file:13 isolated_file:0 [ 391.930577] unevictable:0 dirty:0 writeback:0 unstable:0 [ 391.930577] slab_reclaimable:9341 slab_unreclaimable:1470635 [ 391.930577] mapped:24578 shmem:7010 pagetables:528 bounce:0 [ 391.930577] free:13753 free_pcp:603 free_cma:0 [ 391.932945] Call Trace: [ 391.942316] Node 0 active_anon:185808kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:28040kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 391.975412] [ 391.977994] Node 0 [ 392.005561] dump_stack+0x244/0x39d [ 392.007702] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 392.009909] ? dump_stack_print_info.cold.1+0x20/0x20 [ 392.013498] lowmem_reserve[]: 0 [ 392.038997] warn_alloc.cold.117+0xb7/0x1bd [ 392.044145] 2818 6321 [ 392.047421] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 392.051704] 6321 [ 392.054195] ? lock_downgrade+0x900/0x900 [ 392.059005] Node 0 [ 392.061057] ? trace_hardirqs_off+0xb8/0x310 [ 392.065193] DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 392.067408] ? trace_hardirqs_off+0xb8/0x310 [ 392.071780] lowmem_reserve[]: 0 [ 392.098775] __alloc_pages_slowpath+0x2660/0x2d70 [ 392.103143] 0 3503 [ 392.106450] ? warn_alloc+0x120/0x120 [ 392.111237] 3503 [ 392.113472] ? warn_alloc+0x120/0x120 [ 392.117258] Node 0 [ 392.119310] ? print_usage_bug+0xc0/0xc0 [ 392.123108] Normal free:13924kB min:37364kB low:46704kB high:56044kB active_anon:183760kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5536kB pagetables:2112kB bounce:0kB free_pcp:2164kB local_pcp:1336kB free_cma:0kB [ 392.125306] ? warn_alloc+0x120/0x120 [ 392.129330] lowmem_reserve[]: 0 [ 392.157873] ? print_usage_bug+0xc0/0xc0 [ 392.161666] 0 [ 392.164936] ? __lock_acquire+0x62f/0x4c20 [ 392.168961] 0 0 [ 392.170758] ? __lock_acquire+0x62f/0x4c20 [ 392.176923] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.181128] Node 0 [ 392.186644] ? should_fail+0x22d/0xd01 [ 392.186652] DMA: [ 392.188872] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 392.188888] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 392.192748] 1*4kB [ 392.194795] ? __lock_acquire+0x62f/0x4c20 [ 392.200040] (U) [ 392.205129] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 392.207249] 0*8kB 0*16kB [ 392.211473] ? __lock_acquire+0x62f/0x4c20 [ 392.213424] 1*32kB [ 392.218509] ? should_fail+0x22d/0xd01 [ 392.221234] (U) 2*64kB [ 392.225461] ? rcu_irq_exit+0x1a2/0x390 [ 392.227671] (U) [ 392.231568] ? mark_held_locks+0x130/0x130 [ 392.234113] 1*128kB (U) [ 392.238079] ? mark_held_locks+0x130/0x130 [ 392.240024] 1*256kB (U) [ 392.244252] ? mark_held_locks+0xc7/0x130 [ 392.246906] 0*512kB 1*1024kB [ 392.251134] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 392.253785] (U) 1*2048kB [ 392.257934] ? zap_class+0x640/0x640 [ 392.261012] (M) [ 392.266010] ? print_usage_bug+0xc0/0xc0 [ 392.268743] 3*4096kB [ 392.272444] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.274415] (M) [ 392.278462] ? check_preemption_disabled+0x48/0x280 [ 392.280845] = 15908kB [ 392.286382] ? __lock_is_held+0xb5/0x140 [ 392.288328] Node 0 [ 392.293342] __alloc_pages_nodemask+0xa80/0xde0 [ 392.295729] DMA32: [ 392.299771] ? zap_class+0x640/0x640 [ 392.301979] 5*4kB [ 392.306632] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 392.308832] (UM) 1*8kB [ 392.312546] ? find_held_lock+0x36/0x1c0 [ 392.314664] (H) [ 392.319672] ? ____cache_alloc_node+0x1c7/0x1e0 [ 392.322218] 2*16kB (M) [ 392.326272] ? lock_downgrade+0x900/0x900 [ 392.328222] 3*32kB (M) [ 392.332895] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.335444] 3*64kB (MH) [ 392.339587] cache_grow_begin+0xa5/0x8c0 [ 392.342139] 4*128kB (M) [ 392.347664] ? do_raw_spin_unlock+0xa7/0x330 [ 392.350307] 5*256kB [ 392.354369] fallback_alloc+0x204/0x2e0 [ 392.357002] (UMH) [ 392.361401] ____cache_alloc_node+0x1c7/0x1e0 [ 392.363690] 5*512kB (UMH) [ 392.367655] kmem_cache_alloc_node+0xe3/0x730 [ 392.369768] 4*1024kB (UMH) [ 392.374253] ? ipv6_get_ifaddr+0x42e/0x620 [ 392.377064] 2*2048kB (UM) [ 392.381559] __alloc_skb+0x119/0x770 [ 392.384451] 3*4096kB (M) [ 392.388682] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 392.391489] = 25180kB [ 392.391496] Node 0 [ 392.395198] ? netdev_alloc_frag+0x1f0/0x1f0 [ 392.397928] Normal: 1917*4kB [ 392.403196] ? lock_downgrade+0x900/0x900 [ 392.405576] (UME) [ 392.407812] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.412182] 392*8kB (UME) [ 392.415277] ? refcount_sub_and_test_checked+0x203/0x310 [ 392.419393] 105*16kB [ 392.421529] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 392.427035] (UME) [ 392.429867] ? addrconf_rs_timer+0x690/0x690 [ 392.435282] 43*32kB (UM) [ 392.437694] ndisc_alloc_skb+0x144/0x340 [ 392.443104] 1*64kB (U) [ 392.445251] ndisc_send_rs+0x331/0x6e0 [ 392.449625] 0*128kB 0*256kB [ 392.452391] addrconf_rs_timer+0x314/0x690 [ 392.456439] 0*512kB [ 392.459008] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 392.462863] 0*1024kB 0*2048kB [ 392.465883] call_timer_fn+0x272/0x920 [ 392.470086] 0*4096kB = 13924kB [ 392.472401] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 392.476610] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 392.479781] ? process_timeout+0x40/0x40 [ 392.483641] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 392.486830] ? __run_timers+0x7da/0xc70 [ 392.491034] 7036 total pagecache pages [ 392.499861] ? _raw_spin_unlock_irq+0x27/0x80 [ 392.503899] 0 pages in swap cache [ 392.512451] ? _raw_spin_unlock_irq+0x27/0x80 [ 392.516434] Swap cache stats: add 0, delete 0, find 0/0 [ 392.520300] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 392.524766] Free swap = 0kB [ 392.528205] ? lockdep_hardirqs_on+0x296/0x5b0 [ 392.532666] Total swap = 0kB [ 392.532674] 1965979 pages RAM [ 392.538022] ? trace_hardirqs_on+0xbd/0x310 [ 392.542224] 0 pages HighMem/MovableOnly [ 392.542232] 342867 pages reserved [ 392.545235] ? kasan_check_read+0x11/0x20 [ 392.549789] 0 pages cma reserved [ 392.552792] ? __run_timers+0x7da/0xc70 [ 392.555924] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 392.560173] ? trace_hardirqs_off_caller+0x310/0x310 [ 392.564189] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 392.567554] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 392.571671] syz-fuzzer cpuset= [ 392.575022] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 392.578963] / [ 392.585440] __run_timers+0x7e5/0xc70 [ 392.590516] mems_allowed=0 [ 392.600732] ? timer_fixup_init+0x70/0x70 [ 392.624849] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 392.629877] ? zap_class+0x640/0x640 [ 392.633585] ? enqueue_hrtimer+0x1a5/0x560 [ 392.637829] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 392.643014] ? find_held_lock+0x36/0x1c0 [ 392.647067] ? zap_class+0x640/0x640 [ 392.650778] ? pvclock_read_flags+0x160/0x160 [ 392.655272] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.660820] ? check_preemption_disabled+0x48/0x280 [ 392.665840] ? __lock_is_held+0xb5/0x140 [ 392.669894] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.675422] ? check_preemption_disabled+0x48/0x280 [ 392.680439] run_timer_softirq+0x52/0xb0 [ 392.684493] ? rcu_read_lock_sched_held+0x14f/0x180 [ 392.689503] __do_softirq+0x308/0xb7e [ 392.693298] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 392.697806] ? lock_downgrade+0x900/0x900 [ 392.701953] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 392.707056] ? pvclock_read_flags+0x160/0x160 [ 392.711544] ? lapic_next_event+0x5a/0x90 [ 392.715691] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.721225] ? kvm_clock_read+0x18/0x30 [ 392.725213] ? kvm_sched_clock_read+0x9/0x20 [ 392.729613] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.735142] ? check_preemption_disabled+0x48/0x280 [ 392.740160] irq_exit+0x17f/0x1c0 [ 392.743604] smp_apic_timer_interrupt+0x1cb/0x760 [ 392.748434] ? smp_reschedule_interrupt+0x109/0x650 [ 392.753445] ? smp_call_function_single_interrupt+0x650/0x650 [ 392.759335] ? interrupt_entry+0xb5/0xc0 [ 392.763389] ? trace_hardirqs_off_caller+0xbb/0x310 [ 392.768403] ? trace_hardirqs_off_caller+0xbb/0x310 [ 392.773413] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 392.778254] ? trace_hardirqs_on_caller+0x310/0x310 [ 392.783276] ? trace_hardirqs_on_caller+0x310/0x310 [ 392.788285] ? task_prio+0x50/0x50 [ 392.791832] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.797374] ? check_preemption_disabled+0x48/0x280 [ 392.802391] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 392.807239] apic_timer_interrupt+0xf/0x20 [ 392.811464] [ 392.813698] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 392.818620] Code: 7e 0f 85 cf fe ff ff e8 f6 d7 3f ff e9 c5 fe ff ff e8 4d a2 c3 ff 48 83 3d a5 50 91 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 6a b1 [ 392.837513] RSP: 0000:ffff88019c63f740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 392.845220] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 392.852484] RDX: 0000000000000000 RSI: ffff8801929e68c0 RDI: 0000000000000286 [ 392.859746] RBP: ffff88019c63f7a8 R08: ffff8801929e6040 R09: 0000000000000000 [ 392.867004] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 392.874267] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020 [ 392.881591] skb_clone+0x1bb/0x500 [ 392.885126] ? finish_task_switch+0x2f4/0x910 [ 392.889610] ? skb_split+0x11e0/0x11e0 [ 392.893489] ? preempt_notifier_register+0x200/0x200 [ 392.898584] ? __switch_to_asm+0x34/0x70 [ 392.902642] ? __switch_to_asm+0x34/0x70 [ 392.906694] ? __switch_to_asm+0x40/0x70 [ 392.910751] ? __switch_to_asm+0x34/0x70 [ 392.914803] ? __switch_to_asm+0x40/0x70 [ 392.918866] ? __switch_to_asm+0x34/0x70 [ 392.922926] ? __switch_to_asm+0x40/0x70 [ 392.926980] ? __switch_to_asm+0x34/0x70 [ 392.931047] ? __switch_to_asm+0x34/0x70 [ 392.935114] ? __switch_to_asm+0x40/0x70 [ 392.939164] ? __switch_to_asm+0x34/0x70 [ 392.943219] bpf_clone_redirect+0xb9/0x490 [ 392.947450] ? __schedule+0x8d7/0x21d0 [ 392.951340] bpf_prog_bebbfe2050753572+0x325/0x1000 [ 392.956356] ? __sched_text_start+0x8/0x8 [ 392.960601] ? find_held_lock+0x36/0x1c0 [ 392.964669] ? lock_acquire+0x1ed/0x520 [ 392.968641] ? bpf_test_run+0x3cb/0x780 [ 392.972608] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.978151] ? check_preemption_disabled+0x48/0x280 [ 392.983169] ? kasan_check_read+0x11/0x20 [ 392.987322] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 392.992593] ? rcu_softirq_qs+0x20/0x20 [ 392.996560] ? preempt_schedule+0x4d/0x60 [ 393.000702] ? ___preempt_schedule+0x16/0x18 [ 393.005110] ? bpf_test_run+0x25d/0x780 [ 393.009086] ? netlink_diag_dump+0x2a0/0x2a0 [ 393.013491] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 393.019019] ? bpf_test_init.isra.10+0x70/0x100 [ 393.023686] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 393.028447] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 393.033284] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 393.038828] ? fput+0x130/0x1a0 [ 393.042105] ? __bpf_prog_get+0x9b/0x290 [ 393.046163] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 393.050998] ? bpf_prog_test_run+0x130/0x1a0 [ 393.055403] ? __x64_sys_bpf+0x3d8/0x520 [ 393.059459] ? bpf_prog_get+0x20/0x20 [ 393.063269] ? do_syscall_64+0x1b9/0x820 [ 393.067336] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 393.072695] ? syscall_return_slowpath+0x5e0/0x5e0 [ 393.077620] ? trace_hardirqs_on_caller+0x310/0x310 [ 393.082631] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 393.087647] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 393.094316] ? __switch_to_asm+0x40/0x70 [ 393.098388] ? __switch_to_asm+0x34/0x70 [ 393.102451] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 393.107305] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 393.112677] CPU: 1 PID: 5375 Comm: syz-fuzzer Not tainted 4.19.0+ #72 [ 393.112739] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 393.119247] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 393.119254] Call Trace: [ 393.125800] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 393.135061] [ 393.137625] syz-executor0 cpuset= [ 393.148096] dump_stack+0x244/0x39d [ 393.150215] syz0 [ 393.153656] ? dump_stack_print_info.cold.1+0x20/0x20 [ 393.157253] mems_allowed=0 [ 393.159220] warn_alloc.cold.117+0xb7/0x1bd [ 393.171610] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 393.176450] ? lock_downgrade+0x900/0x900 [ 393.180599] ? trace_hardirqs_off+0xb8/0x310 [ 393.185012] ? trace_hardirqs_off+0xb8/0x310 [ 393.189423] __alloc_pages_slowpath+0x2660/0x2d70 [ 393.194293] ? warn_alloc+0x120/0x120 [ 393.198096] ? warn_alloc+0x120/0x120 [ 393.201895] ? print_usage_bug+0xc0/0xc0 [ 393.205956] ? warn_alloc+0x120/0x120 [ 393.209756] ? print_usage_bug+0xc0/0xc0 [ 393.213819] ? __lock_acquire+0x62f/0x4c20 [ 393.218049] ? __lock_acquire+0x62f/0x4c20 [ 393.222291] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 393.227830] ? should_fail+0x22d/0xd01 [ 393.231716] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 393.236991] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 393.242086] ? __lock_acquire+0x62f/0x4c20 [ 393.246317] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 393.251412] ? __lock_acquire+0x62f/0x4c20 [ 393.255637] ? should_fail+0x22d/0xd01 [ 393.259516] ? rcu_irq_exit+0x1a2/0x390 [ 393.263494] ? mark_held_locks+0x130/0x130 [ 393.267727] ? mark_held_locks+0x130/0x130 [ 393.271961] ? mark_held_locks+0xc7/0x130 [ 393.276100] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 393.281128] ? zap_class+0x640/0x640 [ 393.284838] ? print_usage_bug+0xc0/0xc0 [ 393.288902] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.294438] ? check_preemption_disabled+0x48/0x280 [ 393.299457] ? __lock_is_held+0xb5/0x140 [ 393.303515] __alloc_pages_nodemask+0xa80/0xde0 [ 393.308176] ? zap_class+0x640/0x640 [ 393.311892] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 393.316913] ? find_held_lock+0x36/0x1c0 [ 393.320981] ? ____cache_alloc_node+0x1c7/0x1e0 [ 393.325642] ? lock_downgrade+0x900/0x900 [ 393.329794] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.335338] cache_grow_begin+0xa5/0x8c0 [ 393.339393] ? do_raw_spin_unlock+0xa7/0x330 [ 393.343803] fallback_alloc+0x204/0x2e0 [ 393.347784] ____cache_alloc_node+0x1c7/0x1e0 [ 393.352287] kmem_cache_alloc_node+0xe3/0x730 [ 393.356784] ? ipv6_get_ifaddr+0x42e/0x620 [ 393.361022] __alloc_skb+0x119/0x770 [ 393.364730] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 393.370003] ? netdev_alloc_frag+0x1f0/0x1f0 [ 393.374403] ? lock_downgrade+0x900/0x900 [ 393.378548] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.384081] ? refcount_sub_and_test_checked+0x203/0x310 [ 393.389529] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 393.394976] ? addrconf_rs_timer+0x690/0x690 [ 393.399391] ndisc_alloc_skb+0x144/0x340 [ 393.403450] ndisc_send_rs+0x331/0x6e0 [ 393.407342] addrconf_rs_timer+0x314/0x690 [ 393.411579] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.415818] call_timer_fn+0x272/0x920 [ 393.419701] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.423933] ? process_timeout+0x40/0x40 [ 393.428004] ? mark_held_locks+0xc7/0x130 [ 393.432150] ? _raw_spin_unlock_irq+0x27/0x80 [ 393.436636] ? _raw_spin_unlock_irq+0x27/0x80 [ 393.441124] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.445369] ? lockdep_hardirqs_on+0x296/0x5b0 [ 393.449948] ? trace_hardirqs_on+0xbd/0x310 [ 393.454270] ? kasan_check_read+0x11/0x20 [ 393.458418] ? __run_timers+0x7da/0xc70 [ 393.462391] ? trace_hardirqs_off_caller+0x310/0x310 [ 393.467494] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.471727] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.475960] __run_timers+0x7e5/0xc70 [ 393.479754] ? rcu_irq_exit+0x1a2/0x390 [ 393.483752] ? timer_fixup_init+0x70/0x70 [ 393.487900] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.493436] ? check_preemption_disabled+0x48/0x280 [ 393.498461] ? mark_held_locks+0xc7/0x130 [ 393.502601] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 393.507615] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 393.512572] ? retint_kernel+0x2d/0x2d [ 393.516454] ? trace_hardirqs_on_caller+0xc0/0x310 [ 393.521384] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 393.526137] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 393.531583] ? zap_class+0x640/0x640 [ 393.535313] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.540847] ? check_preemption_disabled+0x48/0x280 [ 393.545867] ? __lock_is_held+0xb5/0x140 [ 393.549922] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.555467] ? check_preemption_disabled+0x48/0x280 [ 393.560484] run_timer_softirq+0x52/0xb0 [ 393.564543] ? rcu_read_lock_sched_held+0x14f/0x180 [ 393.569557] __do_softirq+0x308/0xb7e [ 393.573357] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 393.577843] ? lock_downgrade+0x900/0x900 [ 393.581988] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 393.587094] ? pvclock_read_flags+0x160/0x160 [ 393.591581] ? lapic_next_event+0x5a/0x90 [ 393.595724] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.601272] ? kvm_clock_read+0x18/0x30 [ 393.605249] ? kvm_sched_clock_read+0x9/0x20 [ 393.609656] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.615185] ? check_preemption_disabled+0x48/0x280 [ 393.620203] irq_exit+0x17f/0x1c0 [ 393.623652] smp_apic_timer_interrupt+0x1cb/0x760 [ 393.628488] ? smp_reschedule_interrupt+0x109/0x650 [ 393.633497] ? smp_call_function_single_interrupt+0x650/0x650 [ 393.639375] ? interrupt_entry+0xb5/0xc0 [ 393.643430] ? trace_hardirqs_off_caller+0xbb/0x310 [ 393.648438] ? trace_hardirqs_off_caller+0xbb/0x310 [ 393.653453] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 393.658288] ? trace_hardirqs_on_caller+0x310/0x310 [ 393.663296] ? trace_hardirqs_on_caller+0x310/0x310 [ 393.668307] ? task_prio+0x50/0x50 [ 393.671842] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 393.677799] ? check_preemption_disabled+0x48/0x280 [ 393.682819] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 393.687665] apic_timer_interrupt+0xf/0x20 [ 393.691892] [ 393.694125] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 393.699314] Code: 00 e8 95 31 8e f9 e8 90 e2 bd f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d ea 90 8b 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d c0 90 [ 393.718206] RSP: 0000:ffff8801c4c0e140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 393.725915] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003afce19e [ 393.733177] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d7e70c7c [ 393.740440] RBP: ffff8801c4c0e168 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 393.747707] R10: 0000000000000000 R11: ffff8801d7e70400 R12: dffffc0000000000 [ 393.754973] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478 [ 393.762270] retint_kernel+0x1b/0x2d [ 393.765984] RIP: 0010:dump_stack+0x358/0x39d [ 393.770400] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 91 c1 00 fa 48 83 3d 99 b9 91 01 00 0f 84 63 fe ff ff e8 ee e6 bd f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db e6 bd f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 393.789296] RSP: 0000:ffff8801c4c0e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 393.797097] RAX: ffff8801d7e70400 RBX: 1ffffffff12a3e8e RCX: 1ffff1003afce19e [ 393.804360] RDX: 0000000000000000 RSI: ffffffff87c03ae2 RDI: 0000000000000293 [ 393.811620] RBP: ffff8801c4c0e2c8 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 393.818879] R10: 0000000000000000 R11: ffff8801d7e70400 R12: 1ffff10038981c4c [ 393.826144] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 393.833419] ? dump_stack+0x34f/0x39d [ 393.837230] ? dump_stack_print_info.cold.1+0x20/0x20 [ 393.842452] dump_header+0x27b/0xf72 [ 393.846197] ? mark_held_locks+0x130/0x130 [ 393.850432] ? pagefault_out_of_memory+0x197/0x197 [ 393.855360] ? __lock_acquire+0x62f/0x4c20 [ 393.859590] ? zap_class+0x640/0x640 [ 393.863307] ? percpu_ref_get_many+0x240/0x240 [ 393.867901] ? print_usage_bug+0xc0/0xc0 [ 393.871959] ? print_usage_bug+0xc0/0xc0 [ 393.876023] ? zap_class+0x640/0x640 [ 393.879737] ? print_usage_bug+0xc0/0xc0 [ 393.883797] ? print_usage_bug+0xc0/0xc0 [ 393.887862] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.893397] ? find_held_lock+0x36/0x1c0 [ 393.897460] ? mark_held_locks+0xc7/0x130 [ 393.901607] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 393.906703] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 393.911805] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 393.916385] ? trace_hardirqs_on+0xbd/0x310 [ 393.920700] ? kasan_check_read+0x11/0x20 [ 393.924846] ? ___ratelimit+0x3b4/0x672 [ 393.928812] ? trace_hardirqs_off_caller+0x310/0x310 [ 393.933905] ? trace_hardirqs_on+0x310/0x310 [ 393.938329] ? lock_downgrade+0x900/0x900 [ 393.942480] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 393.947578] ? ___ratelimit+0x3b9/0x672 [ 393.951549] ? idr_get_free+0xec0/0xec0 [ 393.955517] ? find_held_lock+0x36/0x1c0 [ 393.959584] oom_kill_process.cold.27+0x10/0x903 [ 393.964330] ? zap_class+0x640/0x640 [ 393.968050] ? check_preemption_disabled+0x48/0x280 [ 393.973074] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 393.977995] ? kasan_check_read+0x11/0x20 [ 393.982151] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 393.987427] ? oom_evaluate_task+0x540/0x540 [ 393.991837] ? find_held_lock+0x36/0x1c0 [ 393.995901] ? out_of_memory+0x974/0x1430 [ 394.000062] ? lock_downgrade+0x900/0x900 [ 394.004221] ? check_preemption_disabled+0x48/0x280 [ 394.009242] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 394.014165] ? kasan_check_read+0x11/0x20 [ 394.018307] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 394.023579] ? rcu_softirq_qs+0x20/0x20 [ 394.027552] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.033081] ? oom_evaluate_task+0x302/0x540 [ 394.037490] out_of_memory+0xa84/0x1430 [ 394.041479] ? oom_killer_disable+0x3a0/0x3a0 [ 394.045971] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 394.050894] ? __mutex_add_waiter+0x2a0/0x2a0 [ 394.055395] __alloc_pages_slowpath+0x22d4/0x2d70 [ 394.060262] ? warn_alloc+0x120/0x120 [ 394.064057] ? rcu_softirq_qs+0x20/0x20 [ 394.068048] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.073577] ? should_fail+0x22d/0xd01 [ 394.077460] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 394.082577] ? zap_class+0x640/0x640 [ 394.086308] ? __lock_is_held+0xb5/0x140 [ 394.090370] ? mark_held_locks+0x130/0x130 [ 394.094617] ? lock_release+0xa00/0xa00 [ 394.098589] ? perf_trace_sched_process_exec+0x860/0x860 [ 394.104041] ? __might_sleep+0x95/0x190 [ 394.108013] __alloc_pages_nodemask+0xa80/0xde0 [ 394.112681] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 394.117702] ? __page_cache_alloc+0x191/0x5c0 [ 394.122196] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 394.127126] ? kasan_check_read+0x11/0x20 [ 394.131278] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 394.136564] ? zap_class+0x640/0x640 [ 394.140288] ? zap_class+0x640/0x640 [ 394.143993] ? zap_class+0x640/0x640 [ 394.147704] ? __do_page_cache_readahead+0x7ce/0x980 [ 394.152812] ? find_held_lock+0x36/0x1c0 [ 394.156871] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 394.162407] alloc_pages_current+0x173/0x350 [ 394.166813] __page_cache_alloc+0x38c/0x5c0 [ 394.171150] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 394.176072] ? kasan_check_read+0x11/0x20 [ 394.180221] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 394.185493] ? generic_perform_write+0x6a0/0x6a0 [ 394.190242] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.195777] ? check_preemption_disabled+0x48/0x280 [ 394.200798] filemap_fault+0x1594/0x25f0 [ 394.204863] ? __lock_page_or_retry+0xa00/0xa00 [ 394.209543] ? mark_held_locks+0x130/0x130 [ 394.213779] ? rcu_softirq_qs+0x20/0x20 [ 394.217760] ? filemap_map_pages+0xe04/0x1990 [ 394.222274] ? __free_object+0x173/0x340 [ 394.226352] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 394.231287] ? trace_hardirqs_off_caller+0x310/0x310 [ 394.236382] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 394.241057] ? debug_object_free+0x32d/0x690 [ 394.245459] ? kasan_check_read+0x11/0x20 [ 394.249603] ? debug_object_destroy+0x2b0/0x2b0 [ 394.254267] ? lock_pi_update_atomic+0x150/0x150 [ 394.259015] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.264548] ? __hrtimer_init+0xdb/0x240 [ 394.268636] ? lock_acquire+0x1ed/0x520 [ 394.272601] ? ext4_filemap_fault+0x7a/0xad [ 394.276923] ? lock_release+0xa00/0xa00 [ 394.280886] ? perf_trace_sched_process_exec+0x860/0x860 [ 394.286330] ? print_usage_bug+0xc0/0xc0 [ 394.290401] ? print_usage_bug+0xc0/0xc0 [ 394.294466] ? down_read+0x8d/0x120 [ 394.298084] ? ext4_filemap_fault+0x7a/0xad [ 394.302402] ? __down_interruptible+0x700/0x700 [ 394.307073] ext4_filemap_fault+0x82/0xad [ 394.311226] __do_fault+0x100/0x6b0 [ 394.314855] ? pmd_devmap_trans_unstable+0x220/0x220 [ 394.319954] ? mark_held_locks+0x130/0x130 [ 394.324193] ? mark_held_locks+0x130/0x130 [ 394.328457] ? debug_smp_processor_id+0x1c/0x20 [ 394.333121] ? perf_trace_lock+0x14d/0x7a0 [ 394.337361] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.342897] __handle_mm_fault+0x307c/0x5920 [ 394.347309] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 394.352162] ? lock_is_held_type+0x210/0x210 [ 394.356591] ? zap_class+0x640/0x640 [ 394.360304] ? zap_class+0x640/0x640 [ 394.364013] ? __x64_sys_futex+0x53e/0x6a0 [ 394.368258] ? find_held_lock+0x36/0x1c0 [ 394.372334] ? handle_mm_fault+0x42a/0xc70 [ 394.376561] ? lock_downgrade+0x900/0x900 [ 394.380704] ? check_preemption_disabled+0x48/0x280 [ 394.385722] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 394.390648] ? kasan_check_read+0x11/0x20 [ 394.394791] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 394.400073] ? rcu_softirq_qs+0x20/0x20 [ 394.404046] ? trace_hardirqs_off_caller+0x310/0x310 [ 394.409145] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.414702] ? check_preemption_disabled+0x48/0x280 [ 394.419735] handle_mm_fault+0x54f/0xc70 [ 394.423825] ? __handle_mm_fault+0x5920/0x5920 [ 394.428408] ? find_vma+0x34/0x190 [ 394.431949] __do_page_fault+0x5e8/0xe60 [ 394.436003] ? trace_hardirqs_off+0xb8/0x310 [ 394.440408] ? __ia32_sys_read+0xb0/0xb0 [ 394.444472] do_page_fault+0xf2/0x7e0 [ 394.448365] ? vmalloc_sync_all+0x30/0x30 [ 394.452505] ? error_entry+0x70/0xd0 [ 394.456213] ? trace_hardirqs_off_caller+0xbb/0x310 [ 394.461220] ? trace_hardirqs_on_caller+0xc0/0x310 [ 394.466146] ? syscall_return_slowpath+0x5e0/0x5e0 [ 394.471073] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 394.475912] ? trace_hardirqs_on_caller+0x310/0x310 [ 394.480924] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 394.486374] ? prepare_exit_to_usermode+0x291/0x3b0 [ 394.491409] ? page_fault+0x8/0x30 [ 394.494958] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 394.499808] ? page_fault+0x8/0x30 [ 394.503341] page_fault+0x1e/0x30 [ 394.506789] RIP: 0033:0x45ddf3 [ 394.510003] Code: Bad RIP value. [ 394.513360] RSP: 002b:000000c4200206a0 EFLAGS: 00010206 [ 394.518717] RAX: ffffffffffffff92 RBX: 000000003b974269 RCX: 000000000045ddf3 [ 394.526067] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e1060 [ 394.533328] RBP: 000000c4200206e8 R08: 0000000000000000 R09: 0000000000000000 [ 394.540590] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001 [ 394.547855] R13: 0000000000000007 R14: 0000000000b7f720 R15: 000000000000bdf9 [ 394.555134] warn_alloc_show_mem: 1 callbacks suppressed [ 394.555143] CPU: 0 PID: 17787 Comm: syz-executor0 Not tainted 4.19.0+ #72 [ 394.555145] Mem-Info: [ 394.555182] active_anon:46452 inactive_anon:2315 isolated_anon:0 [ 394.555182] active_file:13 inactive_file:13 isolated_file:0 [ 394.555182] unevictable:0 dirty:0 writeback:0 unstable:0 [ 394.555182] slab_reclaimable:9341 slab_unreclaimable:1470635 [ 394.555182] mapped:24578 shmem:7010 pagetables:528 bounce:0 [ 394.555182] free:13753 free_pcp:603 free_cma:0 [ 394.560515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 394.560522] Call Trace: [ 394.567446] Node 0 active_anon:185808kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:28040kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 394.569833] [ 394.602859] Node 0 [ 394.612206] dump_stack+0x244/0x39d [ 394.614782] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 394.642333] ? dump_stack_print_info.cold.1+0x20/0x20 [ 394.644452] lowmem_reserve[]: 0 [ 394.646691] warn_alloc.cold.117+0xb7/0x1bd [ 394.650279] 2818 6321 [ 394.675771] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 394.680926] 6321 [ 394.684203] ? lock_downgrade+0x900/0x900 [ 394.688493] Node 0 [ 394.690981] ? trace_hardirqs_off+0xb8/0x310 [ 394.695814] DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 394.697846] ? trace_hardirqs_off+0xb8/0x310 [ 394.701961] lowmem_reserve[]: 0 [ 394.704199] __alloc_pages_slowpath+0x2660/0x2d70 [ 394.708568] 0 3503 [ 394.735559] ? warn_alloc+0x120/0x120 [ 394.739910] 3503 [ 394.743200] ? warn_alloc+0x120/0x120 [ 394.748011] Node 0 [ 394.750234] ? print_usage_bug+0xc0/0xc0 [ 394.754027] Normal free:13924kB min:37364kB low:46704kB high:56044kB active_anon:183760kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5536kB pagetables:2112kB bounce:0kB free_pcp:2164kB local_pcp:1336kB free_cma:0kB [ 394.756054] ? warn_alloc+0x120/0x120 [ 394.759818] lowmem_reserve[]: 0 [ 394.762058] ? print_usage_bug+0xc0/0xc0 [ 394.766083] 0 0 [ 394.794624] ? __lock_acquire+0x62f/0x4c20 [ 394.798388] 0 [ 394.801658] ? __lock_acquire+0x62f/0x4c20 [ 394.805695] Node 0 [ 394.807683] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.811882] DMA: 1*4kB [ 394.813678] ? should_fail+0x22d/0xd01 [ 394.817882] (U) [ 394.820101] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 394.820118] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 394.825623] 0*8kB [ 394.828195] ? __lock_acquire+0x62f/0x4c20 [ 394.832055] 0*16kB 1*32kB [ 394.834023] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 394.839272] (U) [ 394.844361] ? __lock_acquire+0x62f/0x4c20 [ 394.846480] 2*64kB (U) [ 394.850723] ? should_fail+0x22d/0xd01 [ 394.853538] 1*128kB (U) [ 394.858634] ? rcu_irq_exit+0x1a2/0x390 [ 394.860578] 1*256kB (U) [ 394.864809] ? mark_held_locks+0x130/0x130 [ 394.867359] 0*512kB [ 394.871233] ? mark_held_locks+0x130/0x130 [ 394.873873] 1*1024kB [ 394.877848] ? mark_held_locks+0xc7/0x130 [ 394.880491] (U) [ 394.884726] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 394.887015] 1*2048kB (M) [ 394.891239] ? zap_class+0x640/0x640 [ 394.893615] 3*4096kB (M) [ 394.897753] ? print_usage_bug+0xc0/0xc0 [ 394.899695] = 15908kB [ 394.899701] Node 0 [ 394.904703] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.907429] DMA32: 5*4kB [ 394.911150] ? check_preemption_disabled+0x48/0x280 [ 394.913872] (UM) [ 394.917925] ? __lock_is_held+0xb5/0x140 [ 394.920296] 1*8kB (H) [ 394.922527] __alloc_pages_nodemask+0xa80/0xde0 [ 394.928029] 2*16kB (M) [ 394.930777] ? zap_class+0x640/0x640 [ 394.935762] 3*32kB [ 394.937811] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 394.941851] (M) [ 394.944372] ? find_held_lock+0x36/0x1c0 [ 394.949007] 3*64kB [ 394.951584] ? ____cache_alloc_node+0x1c7/0x1e0 [ 394.955352] (MH) [ 394.957607] ? lock_downgrade+0x900/0x900 [ 394.962596] 4*128kB (M) [ 394.964569] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.968593] 5*256kB (UMH) [ 394.970822] cache_grow_begin+0xa5/0x8c0 [ 394.975454] 5*512kB (UMH) [ 394.977507] ? do_raw_spin_unlock+0xa7/0x330 [ 394.981619] 4*1024kB (UMH) [ 394.984287] fallback_alloc+0x204/0x2e0 [ 394.989784] 2*2048kB (UM) [ 394.992623] ____cache_alloc_node+0x1c7/0x1e0 [ 394.996649] 3*4096kB (M) [ 394.999488] kmem_cache_alloc_node+0xe3/0x730 [ 395.003859] = 25180kB [ 395.003866] Node 0 [ 395.006785] ? ipv6_get_ifaddr+0x42e/0x620 [ 395.010726] Normal: 1917*4kB [ 395.013572] __alloc_skb+0x119/0x770 [ 395.018032] (UME) [ 395.020776] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 395.025233] 392*8kB (UME) [ 395.027649] ? netdev_alloc_frag+0x1f0/0x1f0 [ 395.029850] 105*16kB (UME) [ 395.034087] ? lock_downgrade+0x900/0x900 [ 395.037163] 43*32kB [ 395.040867] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.042985] (UM) [ 395.048247] ? refcount_sub_and_test_checked+0x203/0x310 [ 395.051058] 1*64kB (U) [ 395.055458] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 395.058360] 0*128kB [ 395.062489] ? addrconf_rs_timer+0x690/0x690 [ 395.064776] 0*256kB 0*512kB [ 395.070310] ndisc_alloc_skb+0x144/0x340 [ 395.072333] 0*1024kB 0*2048kB [ 395.077772] ndisc_send_rs+0x331/0x6e0 [ 395.080322] 0*4096kB = 13924kB [ 395.085765] addrconf_rs_timer+0x314/0x690 [ 395.088065] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 395.092453] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.095444] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 395.099491] call_timer_fn+0x272/0x920 [ 395.102646] 7036 total pagecache pages [ 395.106514] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.109686] 0 pages in swap cache [ 395.113909] ? process_timeout+0x40/0x40 [ 395.122717] Swap cache stats: add 0, delete 0, find 0/0 [ 395.126939] ? __run_timers+0x7da/0xc70 [ 395.135477] Free swap = 0kB [ 395.139348] ? _raw_spin_unlock_irq+0x27/0x80 [ 395.143205] Total swap = 0kB [ 395.147422] ? _raw_spin_unlock_irq+0x27/0x80 [ 395.150843] 1965979 pages RAM [ 395.154885] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.160225] 0 pages HighMem/MovableOnly [ 395.160231] 342867 pages reserved [ 395.164191] ? lockdep_hardirqs_on+0x296/0x5b0 [ 395.167193] 0 pages cma reserved [ 395.171673] ? trace_hardirqs_on+0xbd/0x310 [ 395.174766] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 395.179144] ? kasan_check_read+0x11/0x20 [ 395.179160] ? __run_timers+0x7da/0xc70 [ 395.182400] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 395.186461] ? trace_hardirqs_off_caller+0x310/0x310 [ 395.190404] syz-fuzzer cpuset= [ 395.193843] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.198395] / [ 395.201746] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.206036] mems_allowed=0 [ 395.212525] __run_timers+0x7e5/0xc70 [ 395.255950] ? timer_fixup_init+0x70/0x70 [ 395.260095] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 395.265128] ? zap_class+0x640/0x640 [ 395.268842] ? enqueue_hrtimer+0x1a5/0x560 [ 395.273073] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 395.278265] ? find_held_lock+0x36/0x1c0 [ 395.282322] ? zap_class+0x640/0x640 [ 395.286036] ? pvclock_read_flags+0x160/0x160 [ 395.290527] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.296060] ? check_preemption_disabled+0x48/0x280 [ 395.301079] ? __lock_is_held+0xb5/0x140 [ 395.305146] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.310787] ? check_preemption_disabled+0x48/0x280 [ 395.315801] run_timer_softirq+0x52/0xb0 [ 395.319854] ? rcu_read_lock_sched_held+0x14f/0x180 [ 395.324863] __do_softirq+0x308/0xb7e [ 395.328678] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 395.333165] ? lock_downgrade+0x900/0x900 [ 395.337308] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 395.342414] ? pvclock_read_flags+0x160/0x160 [ 395.346902] ? lapic_next_event+0x5a/0x90 [ 395.351048] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.356597] ? kvm_clock_read+0x18/0x30 [ 395.360564] ? kvm_sched_clock_read+0x9/0x20 [ 395.364968] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.370495] ? check_preemption_disabled+0x48/0x280 [ 395.375512] irq_exit+0x17f/0x1c0 [ 395.378959] smp_apic_timer_interrupt+0x1cb/0x760 [ 395.383793] ? smp_reschedule_interrupt+0x109/0x650 [ 395.388803] ? smp_call_function_single_interrupt+0x650/0x650 [ 395.394681] ? interrupt_entry+0xb5/0xc0 [ 395.398738] ? trace_hardirqs_off_caller+0xbb/0x310 [ 395.403746] ? trace_hardirqs_off_caller+0xbb/0x310 [ 395.408754] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 395.413589] ? trace_hardirqs_on_caller+0x310/0x310 [ 395.418606] ? trace_hardirqs_on_caller+0x310/0x310 [ 395.423612] ? task_prio+0x50/0x50 [ 395.427162] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.432696] ? check_preemption_disabled+0x48/0x280 [ 395.437710] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 395.442566] apic_timer_interrupt+0xf/0x20 [ 395.446792] [ 395.449033] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 395.453958] Code: 7e 0f 85 cf fe ff ff e8 f6 d7 3f ff e9 c5 fe ff ff e8 4d a2 c3 ff 48 83 3d a5 50 91 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 6a b1 [ 395.472864] RSP: 0000:ffff88019c63f740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 395.480571] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 395.487835] RDX: 0000000000000000 RSI: ffff8801929e68c0 RDI: 0000000000000286 [ 395.495107] RBP: ffff88019c63f7a8 R08: ffff8801929e6040 R09: 0000000000000000 [ 395.502373] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 395.510145] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020 [ 395.517463] skb_clone+0x1bb/0x500 [ 395.520999] ? finish_task_switch+0x2f4/0x910 [ 395.525497] ? skb_split+0x11e0/0x11e0 [ 395.529378] ? preempt_notifier_register+0x200/0x200 [ 395.534477] ? __switch_to_asm+0x34/0x70 [ 395.538532] ? __switch_to_asm+0x34/0x70 [ 395.542585] ? __switch_to_asm+0x40/0x70 [ 395.546639] ? __switch_to_asm+0x34/0x70 [ 395.550692] ? __switch_to_asm+0x40/0x70 [ 395.554745] ? __switch_to_asm+0x34/0x70 [ 395.558797] ? __switch_to_asm+0x40/0x70 [ 395.562853] ? __switch_to_asm+0x34/0x70 [ 395.566919] ? __switch_to_asm+0x34/0x70 [ 395.570977] ? __switch_to_asm+0x40/0x70 [ 395.575032] ? __switch_to_asm+0x34/0x70 [ 395.579102] bpf_clone_redirect+0xb9/0x490 [ 395.583329] ? __schedule+0x8d7/0x21d0 [ 395.587216] bpf_prog_bebbfe2050753572+0x325/0x1000 [ 395.592231] ? __sched_text_start+0x8/0x8 [ 395.596388] ? find_held_lock+0x36/0x1c0 [ 395.600473] ? lock_acquire+0x1ed/0x520 [ 395.604444] ? bpf_test_run+0x3cb/0x780 [ 395.608417] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.613949] ? check_preemption_disabled+0x48/0x280 [ 395.618976] ? kasan_check_read+0x11/0x20 [ 395.623137] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 395.628411] ? rcu_softirq_qs+0x20/0x20 [ 395.632381] ? preempt_schedule+0x4d/0x60 [ 395.636523] ? ___preempt_schedule+0x16/0x18 [ 395.640930] ? bpf_test_run+0x25d/0x780 [ 395.644906] ? netlink_diag_dump+0x2a0/0x2a0 [ 395.649309] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 395.655302] ? bpf_test_init.isra.10+0x70/0x100 [ 395.659968] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 395.664741] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 395.669575] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 395.675112] ? fput+0x130/0x1a0 [ 395.678640] ? __bpf_prog_get+0x9b/0x290 [ 395.682697] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 395.687532] ? bpf_prog_test_run+0x130/0x1a0 [ 395.691936] ? __x64_sys_bpf+0x3d8/0x520 [ 395.695992] ? bpf_prog_get+0x20/0x20 [ 395.699803] ? do_syscall_64+0x1b9/0x820 [ 395.703858] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 395.709228] ? syscall_return_slowpath+0x5e0/0x5e0 [ 395.714154] ? trace_hardirqs_on_caller+0x310/0x310 [ 395.719164] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 395.724176] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 395.730837] ? __switch_to_asm+0x40/0x70 [ 395.734890] ? __switch_to_asm+0x34/0x70 [ 395.738946] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 395.743788] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 395.749158] CPU: 1 PID: 5375 Comm: syz-fuzzer Not tainted 4.19.0+ #72 [ 395.749234] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 395.755728] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 395.755732] Call Trace: [ 395.755739] [ 395.755753] dump_stack+0x244/0x39d [ 395.755771] ? dump_stack_print_info.cold.1+0x20/0x20 [ 395.762281] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 395.771585] warn_alloc.cold.117+0xb7/0x1bd [ 395.774130] syz-executor0 cpuset= [ 395.776267] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 395.779862] syz0 [ 395.785038] ? lock_downgrade+0x900/0x900 [ 395.795495] mems_allowed=0 [ 395.799823] ? trace_hardirqs_off+0xb8/0x310 [ 395.821499] ? trace_hardirqs_off+0xb8/0x310 [ 395.825914] __alloc_pages_slowpath+0x2660/0x2d70 [ 395.830797] ? warn_alloc+0x120/0x120 [ 395.834599] ? warn_alloc+0x120/0x120 [ 395.838393] ? print_usage_bug+0xc0/0xc0 [ 395.842450] ? warn_alloc+0x120/0x120 [ 395.846244] ? print_usage_bug+0xc0/0xc0 [ 395.850308] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 395.855838] ? should_fail+0x22d/0xd01 [ 395.859737] ? __lock_acquire+0x62f/0x4c20 [ 395.863966] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 395.869070] ? __lock_acquire+0x62f/0x4c20 [ 395.873299] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 395.878397] ? __lock_acquire+0x62f/0x4c20 [ 395.882626] ? should_fail+0x22d/0xd01 [ 395.886517] ? mark_held_locks+0x130/0x130 [ 395.890749] ? mark_held_locks+0x130/0x130 [ 395.894974] ? zap_class+0x640/0x640 [ 395.898700] ? zap_class+0x640/0x640 [ 395.902427] ? check_preemption_disabled+0x48/0x280 [ 395.907436] ? zap_class+0x640/0x640 [ 395.911144] ? print_usage_bug+0xc0/0xc0 [ 395.915200] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.920729] ? check_preemption_disabled+0x48/0x280 [ 395.925747] ? __lock_is_held+0xb5/0x140 [ 395.929808] __alloc_pages_nodemask+0xa80/0xde0 [ 395.934473] ? zap_class+0x640/0x640 [ 395.938187] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 395.943209] ? find_held_lock+0x36/0x1c0 [ 395.947278] ? ____cache_alloc_node+0x1c7/0x1e0 [ 395.951940] ? lock_downgrade+0x900/0x900 [ 395.956090] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.961625] cache_grow_begin+0xa5/0x8c0 [ 395.965793] ? do_raw_spin_unlock+0xa7/0x330 [ 395.970198] fallback_alloc+0x204/0x2e0 [ 395.974171] ____cache_alloc_node+0x1c7/0x1e0 [ 395.978656] kmem_cache_alloc_node+0xe3/0x730 [ 395.983138] ? ipv6_get_ifaddr+0x42e/0x620 [ 395.987377] __alloc_skb+0x119/0x770 [ 395.991087] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 395.996363] ? netdev_alloc_frag+0x1f0/0x1f0 [ 396.000766] ? lock_downgrade+0x900/0x900 [ 396.004914] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.010455] ? refcount_sub_and_test_checked+0x203/0x310 [ 396.015920] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 396.021385] ? addrconf_rs_timer+0x690/0x690 [ 396.025794] ndisc_alloc_skb+0x144/0x340 [ 396.029864] ndisc_send_rs+0x331/0x6e0 [ 396.033764] addrconf_rs_timer+0x314/0x690 [ 396.038007] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.042247] call_timer_fn+0x272/0x920 [ 396.046263] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.050493] ? process_timeout+0x40/0x40 [ 396.054558] ? mark_held_locks+0xc7/0x130 [ 396.058710] ? _raw_spin_unlock_irq+0x27/0x80 [ 396.063199] ? _raw_spin_unlock_irq+0x27/0x80 [ 396.067688] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.071917] ? lockdep_hardirqs_on+0x296/0x5b0 [ 396.076494] ? trace_hardirqs_on+0xbd/0x310 [ 396.080809] ? kasan_check_read+0x11/0x20 [ 396.084950] ? __run_timers+0x7da/0xc70 [ 396.088922] ? trace_hardirqs_off_caller+0x310/0x310 [ 396.094033] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.098269] __run_timers+0x7e5/0xc70 [ 396.102067] ? rcu_irq_exit+0x1a2/0x390 [ 396.106049] ? timer_fixup_init+0x70/0x70 [ 396.110186] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.115713] ? check_preemption_disabled+0x48/0x280 [ 396.120765] ? mark_held_locks+0xc7/0x130 [ 396.124904] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 396.129916] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 396.134664] ? retint_kernel+0x2d/0x2d [ 396.138545] ? trace_hardirqs_on_caller+0xc0/0x310 [ 396.143475] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 396.148234] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 396.153678] ? zap_class+0x640/0x640 [ 396.157393] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.162922] ? check_preemption_disabled+0x48/0x280 [ 396.167940] ? __lock_is_held+0xb5/0x140 [ 396.171995] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.177526] ? check_preemption_disabled+0x48/0x280 [ 396.182540] run_timer_softirq+0x52/0xb0 [ 396.186596] ? rcu_read_lock_sched_held+0x14f/0x180 [ 396.191607] __do_softirq+0x308/0xb7e [ 396.195411] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 396.199898] ? lock_downgrade+0x900/0x900 [ 396.204045] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 396.209148] ? pvclock_read_flags+0x160/0x160 [ 396.213637] ? lapic_next_event+0x5a/0x90 [ 396.217782] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.223320] ? kvm_clock_read+0x18/0x30 [ 396.227287] ? kvm_sched_clock_read+0x9/0x20 [ 396.231692] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.237219] ? check_preemption_disabled+0x48/0x280 [ 396.242236] irq_exit+0x17f/0x1c0 [ 396.245681] smp_apic_timer_interrupt+0x1cb/0x760 [ 396.250512] ? smp_reschedule_interrupt+0x109/0x650 [ 396.255527] ? smp_call_function_single_interrupt+0x650/0x650 [ 396.261407] ? interrupt_entry+0xb5/0xc0 [ 396.265484] ? trace_hardirqs_off_caller+0xbb/0x310 [ 396.270491] ? trace_hardirqs_off_caller+0xbb/0x310 [ 396.275499] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 396.280336] ? trace_hardirqs_on_caller+0x310/0x310 [ 396.285345] ? trace_hardirqs_on_caller+0x310/0x310 [ 396.290358] ? task_prio+0x50/0x50 [ 396.293891] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 396.299424] ? check_preemption_disabled+0x48/0x280 [ 396.304434] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 396.309271] apic_timer_interrupt+0xf/0x20 [ 396.313489] [ 396.315722] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 396.320909] Code: 00 e8 95 31 8e f9 e8 90 e2 bd f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d ea 90 8b 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d c0 90 [ 396.339802] RSP: 0000:ffff8801c4c0e140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 396.347505] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003afce19e [ 396.354768] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d7e70c7c [ 396.362048] RBP: ffff8801c4c0e168 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 396.369309] R10: 0000000000000000 R11: ffff8801d7e70400 R12: dffffc0000000000 [ 396.376598] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478 [ 396.383901] retint_kernel+0x1b/0x2d [ 396.387627] RIP: 0010:dump_stack+0x358/0x39d [ 396.392035] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 91 c1 00 fa 48 83 3d 99 b9 91 01 00 0f 84 63 fe ff ff e8 ee e6 bd f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db e6 bd f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 396.410929] RSP: 0000:ffff8801c4c0e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 396.418633] RAX: ffff8801d7e70400 RBX: 1ffffffff12a3e8e RCX: 1ffff1003afce19e [ 396.425907] RDX: 0000000000000000 RSI: ffffffff87c03ae2 RDI: 0000000000000293 [ 396.433169] RBP: ffff8801c4c0e2c8 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 396.440434] R10: 0000000000000000 R11: ffff8801d7e70400 R12: 1ffff10038981c4c [ 396.447695] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 396.455084] ? dump_stack+0x34f/0x39d [ 396.458888] ? dump_stack_print_info.cold.1+0x20/0x20 [ 396.464083] dump_header+0x27b/0xf72 [ 396.467798] ? mark_held_locks+0x130/0x130 [ 396.472030] ? pagefault_out_of_memory+0x197/0x197 [ 396.476958] ? __lock_acquire+0x62f/0x4c20 [ 396.481188] ? zap_class+0x640/0x640 [ 396.484901] ? percpu_ref_get_many+0x240/0x240 [ 396.489478] ? print_usage_bug+0xc0/0xc0 [ 396.493540] ? print_usage_bug+0xc0/0xc0 [ 396.497603] ? zap_class+0x640/0x640 [ 396.501325] ? print_usage_bug+0xc0/0xc0 [ 396.505382] ? print_usage_bug+0xc0/0xc0 [ 396.509464] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.514995] ? find_held_lock+0x36/0x1c0 [ 396.519062] ? mark_held_locks+0xc7/0x130 [ 396.523209] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 396.528306] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 396.533404] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 396.537989] ? trace_hardirqs_on+0xbd/0x310 [ 396.542320] ? kasan_check_read+0x11/0x20 [ 396.546465] ? ___ratelimit+0x3b4/0x672 [ 396.550436] ? trace_hardirqs_off_caller+0x310/0x310 [ 396.555538] ? trace_hardirqs_on+0x310/0x310 [ 396.559941] ? lock_downgrade+0x900/0x900 [ 396.564087] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 396.569293] ? ___ratelimit+0x3b9/0x672 [ 396.573261] ? idr_get_free+0xec0/0xec0 [ 396.577228] ? find_held_lock+0x36/0x1c0 [ 396.581301] oom_kill_process.cold.27+0x10/0x903 [ 396.586051] ? zap_class+0x640/0x640 [ 396.589761] ? check_preemption_disabled+0x48/0x280 [ 396.594777] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 396.599703] ? kasan_check_read+0x11/0x20 [ 396.603868] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 396.609140] ? oom_evaluate_task+0x540/0x540 [ 396.613546] ? find_held_lock+0x36/0x1c0 [ 396.617609] ? out_of_memory+0x974/0x1430 [ 396.621751] ? lock_downgrade+0x900/0x900 [ 396.625891] ? check_preemption_disabled+0x48/0x280 [ 396.630906] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 396.635829] ? kasan_check_read+0x11/0x20 [ 396.639970] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 396.645260] ? rcu_softirq_qs+0x20/0x20 [ 396.649228] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 396.654785] ? oom_evaluate_task+0x302/0x540 [ 396.659188] out_of_memory+0xa84/0x1430 [ 396.663165] ? oom_killer_disable+0x3a0/0x3a0 [ 396.667655] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 396.672594] ? __mutex_add_waiter+0x2a0/0x2a0 [ 396.677089] __alloc_pages_slowpath+0x22d4/0x2d70 [ 396.681944] ? warn_alloc+0x120/0x120 [ 396.685741] ? rcu_softirq_qs+0x20/0x20 [ 396.689735] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 396.695265] ? should_fail+0x22d/0xd01 [ 396.699153] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 396.704252] ? zap_class+0x640/0x640 [ 396.707979] ? __lock_is_held+0xb5/0x140 [ 396.712046] ? mark_held_locks+0x130/0x130 [ 396.716278] ? lock_release+0xa00/0xa00 [ 396.720261] ? perf_trace_sched_process_exec+0x860/0x860 [ 396.725715] ? __might_sleep+0x95/0x190 [ 396.729684] __alloc_pages_nodemask+0xa80/0xde0 [ 396.734354] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 396.739367] ? __page_cache_alloc+0x191/0x5c0 [ 396.743853] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 396.748776] ? kasan_check_read+0x11/0x20 [ 396.752918] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 396.758203] ? zap_class+0x640/0x640 [ 396.761917] ? zap_class+0x640/0x640 [ 396.765620] ? zap_class+0x640/0x640 [ 396.769326] ? __do_page_cache_readahead+0x7ce/0x980 [ 396.774425] ? find_held_lock+0x36/0x1c0 [ 396.778501] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 396.784044] alloc_pages_current+0x173/0x350 [ 396.788455] __page_cache_alloc+0x38c/0x5c0 [ 396.792772] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 396.797694] ? kasan_check_read+0x11/0x20 [ 396.801837] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 396.807106] ? generic_perform_write+0x6a0/0x6a0 [ 396.811861] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 396.817390] ? check_preemption_disabled+0x48/0x280 [ 396.822421] filemap_fault+0x1594/0x25f0 [ 396.826512] ? __lock_page_or_retry+0xa00/0xa00 [ 396.831179] ? mark_held_locks+0x130/0x130 [ 396.835423] ? rcu_softirq_qs+0x20/0x20 [ 396.839404] ? filemap_map_pages+0xe04/0x1990 [ 396.843922] ? __free_object+0x173/0x340 [ 396.847997] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 396.852919] ? trace_hardirqs_off_caller+0x310/0x310 [ 396.858046] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 396.862722] ? debug_object_free+0x32d/0x690 [ 396.867121] ? kasan_check_read+0x11/0x20 [ 396.871262] ? debug_object_destroy+0x2b0/0x2b0 [ 396.875932] ? lock_pi_update_atomic+0x150/0x150 [ 396.880683] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.886210] ? __hrtimer_init+0xdb/0x240 [ 396.890272] ? lock_acquire+0x1ed/0x520 [ 396.894253] ? ext4_filemap_fault+0x7a/0xad [ 396.898587] ? lock_release+0xa00/0xa00 [ 396.902551] ? perf_trace_sched_process_exec+0x860/0x860 [ 396.908080] ? print_usage_bug+0xc0/0xc0 [ 396.912140] ? print_usage_bug+0xc0/0xc0 [ 396.916204] ? down_read+0x8d/0x120 [ 396.919821] ? ext4_filemap_fault+0x7a/0xad [ 396.924135] ? __down_interruptible+0x700/0x700 [ 396.928806] ext4_filemap_fault+0x82/0xad [ 396.932948] __do_fault+0x100/0x6b0 [ 396.936577] ? pmd_devmap_trans_unstable+0x220/0x220 [ 396.941676] ? mark_held_locks+0x130/0x130 [ 396.945906] ? mark_held_locks+0x130/0x130 [ 396.950141] ? debug_smp_processor_id+0x1c/0x20 [ 396.954804] ? perf_trace_lock+0x14d/0x7a0 [ 396.959034] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 396.964579] __handle_mm_fault+0x307c/0x5920 [ 396.968993] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 396.973830] ? lock_is_held_type+0x210/0x210 [ 396.978248] ? zap_class+0x640/0x640 [ 396.981953] ? zap_class+0x640/0x640 [ 396.985664] ? __x64_sys_futex+0x53e/0x6a0 [ 396.989897] ? find_held_lock+0x36/0x1c0 [ 396.993962] ? handle_mm_fault+0x42a/0xc70 [ 396.998198] ? lock_downgrade+0x900/0x900 [ 397.002354] ? check_preemption_disabled+0x48/0x280 [ 397.007382] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 397.012313] ? kasan_check_read+0x11/0x20 [ 397.016470] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 397.021831] ? rcu_softirq_qs+0x20/0x20 [ 397.025796] ? trace_hardirqs_off_caller+0x310/0x310 [ 397.030893] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 397.036424] ? check_preemption_disabled+0x48/0x280 [ 397.041442] handle_mm_fault+0x54f/0xc70 [ 397.045508] ? __handle_mm_fault+0x5920/0x5920 [ 397.050084] ? find_vma+0x34/0x190 [ 397.053623] __do_page_fault+0x5e8/0xe60 [ 397.057674] ? trace_hardirqs_off+0xb8/0x310 [ 397.062076] ? __ia32_sys_read+0xb0/0xb0 [ 397.066152] do_page_fault+0xf2/0x7e0 [ 397.069945] ? vmalloc_sync_all+0x30/0x30 [ 397.074094] ? error_entry+0x70/0xd0 [ 397.077801] ? trace_hardirqs_off_caller+0xbb/0x310 [ 397.082826] ? trace_hardirqs_on_caller+0xc0/0x310 [ 397.087748] ? syscall_return_slowpath+0x5e0/0x5e0 [ 397.092667] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 397.097507] ? trace_hardirqs_on_caller+0x310/0x310 [ 397.102516] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 397.107972] ? prepare_exit_to_usermode+0x291/0x3b0 [ 397.112984] ? page_fault+0x8/0x30 [ 397.116519] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 397.121362] ? page_fault+0x8/0x30 [ 397.124897] page_fault+0x1e/0x30 [ 397.128345] RIP: 0033:0x45ddf3 [ 397.131546] Code: Bad RIP value. [ 397.134898] RSP: 002b:000000c4200206a0 EFLAGS: 00010206 [ 397.140251] RAX: ffffffffffffff92 RBX: 000000003b974269 RCX: 000000000045ddf3 [ 397.147512] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e1060 [ 397.154772] RBP: 000000c4200206e8 R08: 0000000000000000 R09: 0000000000000000 [ 397.162036] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001 [ 397.169306] R13: 0000000000000007 R14: 0000000000b7f720 R15: 000000000000bdf9 [ 397.176587] warn_alloc_show_mem: 1 callbacks suppressed [ 397.176596] CPU: 0 PID: 17787 Comm: syz-executor0 Not tainted 4.19.0+ #72 [ 397.176597] Mem-Info: [ 397.176627] active_anon:46452 inactive_anon:2315 isolated_anon:0 [ 397.176627] active_file:13 inactive_file:13 isolated_file:0 [ 397.176627] unevictable:0 dirty:0 writeback:0 unstable:0 [ 397.176627] slab_reclaimable:9341 slab_unreclaimable:1470635 [ 397.176627] mapped:24578 shmem:7010 pagetables:528 bounce:0 [ 397.176627] free:13753 free_pcp:603 free_cma:0 [ 397.181965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 397.181972] Call Trace: [ 397.188894] Node 0 active_anon:185808kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:28040kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 397.191282] [ 397.224306] Node 0 [ 397.233647] dump_stack+0x244/0x39d [ 397.236226] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 397.263776] ? dump_stack_print_info.cold.1+0x20/0x20 [ 397.265917] lowmem_reserve[]: 0 [ 397.268157] warn_alloc.cold.117+0xb7/0x1bd [ 397.271749] 2818 [ 397.297234] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 397.302390] 6321 6321 [ 397.305672] ? lock_downgrade+0x900/0x900 [ 397.312017] ? trace_hardirqs_off+0xb8/0x310 [ 397.316829] Node 0 [ 397.319314] ? trace_hardirqs_off+0xb8/0x310 [ 397.323471] DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 397.327842] __alloc_pages_slowpath+0x2660/0x2d70 [ 397.330052] lowmem_reserve[]: 0 [ 397.334475] ? warn_alloc+0x120/0x120 [ 397.361399] 0 3503 [ 397.366237] ? warn_alloc+0x120/0x120 [ 397.369479] 3503 [ 397.373271] ? print_usage_bug+0xc0/0xc0 [ 397.375499] Node 0 [ 397.379281] ? warn_alloc+0x120/0x120 [ 397.381341] Normal free:13924kB min:37364kB low:46704kB high:56044kB active_anon:183760kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5536kB pagetables:2112kB bounce:0kB free_pcp:2164kB local_pcp:1336kB free_cma:0kB [ 397.385362] ? print_usage_bug+0xc0/0xc0 [ 397.387570] lowmem_reserve[]: 0 [ 397.391363] ? __lock_acquire+0x62f/0x4c20 [ 397.419867] 0 0 [ 397.423919] ? __lock_acquire+0x62f/0x4c20 [ 397.427161] 0 [ 397.431389] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 397.433337] Node 0 [ 397.437556] ? should_fail+0x22d/0xd01 [ 397.439327] DMA: 1*4kB [ 397.444857] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 397.447063] (U) [ 397.450945] ? __lock_acquire+0x62f/0x4c20 [ 397.453501] 0*8kB [ 397.458590] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 397.460533] 0*16kB 1*32kB [ 397.464757] ? __lock_acquire+0x62f/0x4c20 [ 397.466875] (U) [ 397.471970] ? should_fail+0x22d/0xd01 [ 397.474785] 2*64kB [ 397.479012] ? find_held_lock+0x36/0x1c0 [ 397.480959] (U) [ 397.484837] ? mark_held_locks+0x130/0x130 [ 397.487036] 1*128kB (U) [ 397.491092] ? mark_held_locks+0x130/0x130 [ 397.493034] 1*256kB (U) [ 397.497259] ? zap_class+0x640/0x640 [ 397.499900] 0*512kB 1*1024kB [ 397.504123] ? zap_class+0x640/0x640 [ 397.506758] (U) 1*2048kB [ 397.510982] ? print_usage_bug+0xc0/0xc0 [ 397.514057] (M) [ 397.517750] ? do_raw_spin_unlock+0xa7/0x330 [ 397.520475] 3*4096kB (M) [ 397.524539] ? zap_class+0x640/0x640 [ 397.526489] = 15908kB [ 397.530883] ? print_usage_bug+0xc0/0xc0 [ 397.533611] Node 0 [ 397.537307] ? wq_watchdog_touch+0x9c/0xfe [ 397.539680] DMA32: 5*4kB [ 397.543734] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.545944] (UM) [ 397.550163] ? check_preemption_disabled+0x48/0x280 [ 397.552894] 1*8kB (H) [ 397.558427] ? __lock_is_held+0xb5/0x140 [ 397.560455] 2*16kB (M) [ 397.565468] __alloc_pages_nodemask+0xa80/0xde0 [ 397.567937] 3*32kB (M) [ 397.572006] ? zap_class+0x640/0x640 [ 397.574570] 3*64kB (MH) [ 397.579241] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 397.581795] 4*128kB [ 397.585511] ? find_held_lock+0x36/0x1c0 [ 397.588148] (M) [ 397.593155] ? ____cache_alloc_node+0x1c7/0x1e0 [ 397.595444] 5*256kB (UMH) [ 397.599509] ? lock_downgrade+0x900/0x900 [ 397.601459] 5*512kB [ 397.606129] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.608941] (UMH) [ 397.613088] cache_grow_begin+0xa5/0x8c0 [ 397.615380] 4*1024kB (UMH) [ 397.620908] ? do_raw_spin_unlock+0xa7/0x330 [ 397.623031] 2*2048kB (UM) [ 397.627091] fallback_alloc+0x204/0x2e0 [ 397.629991] 3*4096kB [ 397.634388] ____cache_alloc_node+0x1c7/0x1e0 [ 397.637203] (M) [ 397.641166] kmem_cache_alloc_node+0xe3/0x730 [ 397.643544] = 25180kB [ 397.643551] Node 0 [ 397.648031] ? ipv6_get_ifaddr+0x42e/0x620 [ 397.649976] Normal: [ 397.654472] __alloc_skb+0x119/0x770 [ 397.656850] 1917*4kB [ 397.659074] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 397.663362] (UME) [ 397.665691] ? netdev_alloc_frag+0x1f0/0x1f0 [ 397.669368] 392*8kB (UME) [ 397.671773] ? lock_downgrade+0x900/0x900 [ 397.677473] 105*16kB (UME) [ 397.679629] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.683998] 43*32kB (UM) [ 397.686850] ? refcount_sub_and_test_checked+0x203/0x310 [ 397.690965] 1*64kB [ 397.693883] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 397.699384] (U) [ 397.702139] ? addrconf_rs_timer+0x690/0x690 [ 397.707553] 0*128kB 0*256kB [ 397.709793] ndisc_alloc_skb+0x144/0x340 [ 397.715207] 0*512kB [ 397.717169] ndisc_send_rs+0x331/0x6e0 [ 397.721557] 0*1024kB 0*2048kB [ 397.724568] addrconf_rs_timer+0x314/0x690 [ 397.728593] 0*4096kB = 13924kB [ 397.730915] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 397.734778] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 397.737965] call_timer_fn+0x272/0x920 [ 397.742282] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 397.745453] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 397.749657] 7036 total pagecache pages [ 397.758473] ? process_timeout+0x40/0x40 [ 397.762339] 0 pages in swap cache [ 397.770900] ? __run_timers+0x7da/0xc70 [ 397.775104] Swap cache stats: add 0, delete 0, find 0/0 [ 397.775111] Free swap = 0kB [ 397.778999] ? _raw_spin_unlock_irq+0x27/0x80 [ 397.783046] Total swap = 0kB [ 397.786489] ? _raw_spin_unlock_irq+0x27/0x80 [ 397.790437] 1965979 pages RAM [ 397.795780] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 397.798764] 0 pages HighMem/MovableOnly [ 397.798771] 342867 pages reserved [ 397.803267] ? lockdep_hardirqs_on+0x296/0x5b0 [ 397.806257] 0 pages cma reserved [ 397.810738] ? trace_hardirqs_on+0xbd/0x310 [ 397.813873] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 397.818029] ? kasan_check_read+0x11/0x20 [ 397.818045] ? __run_timers+0x7da/0xc70 [ 397.822043] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 397.825421] ? trace_hardirqs_off_caller+0x310/0x310 [ 397.825438] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 397.829988] syz-fuzzer cpuset= [ 397.833342] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 397.837631] / [ 397.844110] __run_timers+0x7e5/0xc70 [ 397.848229] mems_allowed=0 [ 397.852192] ? timer_fixup_init+0x70/0x70 [ 397.891618] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 397.896629] ? zap_class+0x640/0x640 [ 397.900339] ? enqueue_hrtimer+0x1a5/0x560 [ 397.904567] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 397.909756] ? find_held_lock+0x36/0x1c0 [ 397.913814] ? zap_class+0x640/0x640 [ 397.917527] ? pvclock_read_flags+0x160/0x160 [ 397.922018] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.927547] ? check_preemption_disabled+0x48/0x280 [ 397.932682] ? __lock_is_held+0xb5/0x140 [ 397.936737] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.942264] ? check_preemption_disabled+0x48/0x280 [ 397.947275] run_timer_softirq+0x52/0xb0 [ 397.951328] ? rcu_read_lock_sched_held+0x14f/0x180 [ 397.956338] __do_softirq+0x308/0xb7e [ 397.960135] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 397.964623] ? lock_downgrade+0x900/0x900 [ 397.968773] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 397.973870] ? pvclock_read_flags+0x160/0x160 [ 397.978370] ? lapic_next_event+0x5a/0x90 [ 397.982507] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.988036] ? kvm_clock_read+0x18/0x30 [ 397.992000] ? kvm_sched_clock_read+0x9/0x20 [ 397.996400] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.001927] ? check_preemption_disabled+0x48/0x280 [ 398.006943] irq_exit+0x17f/0x1c0 [ 398.010391] smp_apic_timer_interrupt+0x1cb/0x760 [ 398.015230] ? smp_reschedule_interrupt+0x109/0x650 [ 398.020238] ? smp_call_function_single_interrupt+0x650/0x650 [ 398.026117] ? interrupt_entry+0xb5/0xc0 [ 398.030171] ? trace_hardirqs_off_caller+0xbb/0x310 [ 398.035191] ? trace_hardirqs_off_caller+0xbb/0x310 [ 398.040217] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 398.045055] ? trace_hardirqs_on_caller+0x310/0x310 [ 398.050059] ? trace_hardirqs_on_caller+0x310/0x310 [ 398.055087] ? task_prio+0x50/0x50 [ 398.058643] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.064170] ? check_preemption_disabled+0x48/0x280 [ 398.069184] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 398.074026] apic_timer_interrupt+0xf/0x20 [ 398.078248] [ 398.080480] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 398.085407] Code: 7e 0f 85 cf fe ff ff e8 f6 d7 3f ff e9 c5 fe ff ff e8 4d a2 c3 ff 48 83 3d a5 50 91 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 6a b1 [ 398.104299] RSP: 0000:ffff88019c63f740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 398.111999] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 398.119261] RDX: 0000000000000000 RSI: ffff8801929e68c0 RDI: 0000000000000286 [ 398.126520] RBP: ffff88019c63f7a8 R08: ffff8801929e6040 R09: 0000000000000000 [ 398.133778] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 398.141039] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020 [ 398.148331] skb_clone+0x1bb/0x500 [ 398.151866] ? finish_task_switch+0x2f4/0x910 [ 398.156375] ? skb_split+0x11e0/0x11e0 [ 398.160257] ? preempt_notifier_register+0x200/0x200 [ 398.165355] ? __switch_to_asm+0x34/0x70 [ 398.169413] ? __switch_to_asm+0x34/0x70 [ 398.173469] ? __switch_to_asm+0x40/0x70 [ 398.177523] ? __switch_to_asm+0x34/0x70 [ 398.181579] ? __switch_to_asm+0x40/0x70 [ 398.185631] ? __switch_to_asm+0x34/0x70 [ 398.189687] ? __switch_to_asm+0x40/0x70 [ 398.193744] ? __switch_to_asm+0x34/0x70 [ 398.197799] ? __switch_to_asm+0x34/0x70 [ 398.201850] ? __switch_to_asm+0x40/0x70 [ 398.205915] ? __switch_to_asm+0x34/0x70 [ 398.209971] bpf_clone_redirect+0xb9/0x490 [ 398.214200] ? __schedule+0x8d7/0x21d0 [ 398.218088] bpf_prog_bebbfe2050753572+0x325/0x1000 [ 398.223099] ? __sched_text_start+0x8/0x8 [ 398.227252] ? find_held_lock+0x36/0x1c0 [ 398.231313] ? lock_acquire+0x1ed/0x520 [ 398.235283] ? bpf_test_run+0x3cb/0x780 [ 398.239283] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.244822] ? check_preemption_disabled+0x48/0x280 [ 398.249836] ? kasan_check_read+0x11/0x20 [ 398.253981] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 398.259254] ? rcu_softirq_qs+0x20/0x20 [ 398.263220] ? preempt_schedule+0x4d/0x60 [ 398.267363] ? ___preempt_schedule+0x16/0x18 [ 398.271767] ? bpf_test_run+0x25d/0x780 [ 398.275744] ? netlink_diag_dump+0x2a0/0x2a0 [ 398.280167] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 398.285694] ? bpf_test_init.isra.10+0x70/0x100 [ 398.290359] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 398.295115] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 398.299949] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 398.305478] ? fput+0x130/0x1a0 [ 398.308753] ? __bpf_prog_get+0x9b/0x290 [ 398.312850] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 398.317695] ? bpf_prog_test_run+0x130/0x1a0 [ 398.322097] ? __x64_sys_bpf+0x3d8/0x520 [ 398.326150] ? bpf_prog_get+0x20/0x20 [ 398.329963] ? do_syscall_64+0x1b9/0x820 [ 398.334021] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 398.339375] ? syscall_return_slowpath+0x5e0/0x5e0 [ 398.344300] ? trace_hardirqs_on_caller+0x310/0x310 [ 398.349307] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 398.354335] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 398.360996] ? __switch_to_asm+0x40/0x70 [ 398.365048] ? __switch_to_asm+0x34/0x70 [ 398.369104] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 398.373957] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 398.379427] CPU: 1 PID: 5375 Comm: syz-fuzzer Not tainted 4.19.0+ #72 [ 398.379505] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 398.386012] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 398.386017] Call Trace: [ 398.386022] [ 398.386055] dump_stack+0x244/0x39d [ 398.386073] ? dump_stack_print_info.cold.1+0x20/0x20 [ 398.392674] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 398.401902] warn_alloc.cold.117+0xb7/0x1bd [ 398.404450] syz-executor0 cpuset= [ 398.406590] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 398.410184] syz0 [ 398.415360] ? lock_downgrade+0x900/0x900 [ 398.425816] mems_allowed=0 [ 398.430155] ? trace_hardirqs_off+0xb8/0x310 [ 398.451865] ? trace_hardirqs_off+0xb8/0x310 [ 398.456278] __alloc_pages_slowpath+0x2660/0x2d70 [ 398.461150] ? warn_alloc+0x120/0x120 [ 398.464953] ? warn_alloc+0x120/0x120 [ 398.468753] ? print_usage_bug+0xc0/0xc0 [ 398.472807] ? warn_alloc+0x120/0x120 [ 398.476605] ? print_usage_bug+0xc0/0xc0 [ 398.480661] ? __lock_acquire+0x62f/0x4c20 [ 398.484890] ? __lock_acquire+0x62f/0x4c20 [ 398.489121] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 398.494661] ? should_fail+0x22d/0xd01 [ 398.498563] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 398.503659] ? __lock_acquire+0x62f/0x4c20 [ 398.507891] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 398.512992] ? __lock_acquire+0x62f/0x4c20 [ 398.517217] ? should_fail+0x22d/0xd01 [ 398.521100] ? find_held_lock+0x36/0x1c0 [ 398.525166] ? mark_held_locks+0x130/0x130 [ 398.529398] ? mark_held_locks+0x130/0x130 [ 398.533627] ? zap_class+0x640/0x640 [ 398.537336] ? zap_class+0x640/0x640 [ 398.541053] ? print_usage_bug+0xc0/0xc0 [ 398.545105] ? do_raw_spin_unlock+0xa7/0x330 [ 398.549521] ? zap_class+0x640/0x640 [ 398.553232] ? print_usage_bug+0xc0/0xc0 [ 398.557289] ? wq_watchdog_touch+0x9c/0xfe [ 398.561522] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.567051] ? check_preemption_disabled+0x48/0x280 [ 398.572068] ? __lock_is_held+0xb5/0x140 [ 398.576138] __alloc_pages_nodemask+0xa80/0xde0 [ 398.580800] ? zap_class+0x640/0x640 [ 398.584511] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 398.589530] ? find_held_lock+0x36/0x1c0 [ 398.593595] ? ____cache_alloc_node+0x1c7/0x1e0 [ 398.598261] ? lock_downgrade+0x900/0x900 [ 398.602411] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.607951] cache_grow_begin+0xa5/0x8c0 [ 398.612008] ? do_raw_spin_unlock+0xa7/0x330 [ 398.616433] fallback_alloc+0x204/0x2e0 [ 398.620407] ____cache_alloc_node+0x1c7/0x1e0 [ 398.624900] kmem_cache_alloc_node+0xe3/0x730 [ 398.629390] ? ipv6_get_ifaddr+0x42e/0x620 [ 398.633627] __alloc_skb+0x119/0x770 [ 398.637343] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 398.642629] ? netdev_alloc_frag+0x1f0/0x1f0 [ 398.647029] ? lock_downgrade+0x900/0x900 [ 398.651176] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.656710] ? refcount_sub_and_test_checked+0x203/0x310 [ 398.662158] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 398.667604] ? addrconf_rs_timer+0x690/0x690 [ 398.672015] ndisc_alloc_skb+0x144/0x340 [ 398.676072] ndisc_send_rs+0x331/0x6e0 [ 398.679955] addrconf_rs_timer+0x314/0x690 [ 398.684201] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 398.688439] call_timer_fn+0x272/0x920 [ 398.692320] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 398.696554] ? process_timeout+0x40/0x40 [ 398.700632] ? mark_held_locks+0xc7/0x130 [ 398.704778] ? _raw_spin_unlock_irq+0x27/0x80 [ 398.709264] ? _raw_spin_unlock_irq+0x27/0x80 [ 398.713745] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 398.717971] ? lockdep_hardirqs_on+0x296/0x5b0 [ 398.722543] ? trace_hardirqs_on+0xbd/0x310 [ 398.726864] ? kasan_check_read+0x11/0x20 [ 398.731007] ? __run_timers+0x7da/0xc70 [ 398.734988] ? trace_hardirqs_off_caller+0x310/0x310 [ 398.740095] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 398.744324] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 398.748553] __run_timers+0x7e5/0xc70 [ 398.752351] ? rcu_irq_exit+0x1a2/0x390 [ 398.756333] ? timer_fixup_init+0x70/0x70 [ 398.760479] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.766012] ? check_preemption_disabled+0x48/0x280 [ 398.771032] ? mark_held_locks+0xc7/0x130 [ 398.775179] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 398.780196] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 398.784955] ? retint_kernel+0x2d/0x2d [ 398.788842] ? trace_hardirqs_on_caller+0xc0/0x310 [ 398.793768] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 398.798520] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 398.803969] ? zap_class+0x640/0x640 [ 398.807683] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.813211] ? check_preemption_disabled+0x48/0x280 [ 398.818226] ? __lock_is_held+0xb5/0x140 [ 398.822280] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.827805] ? check_preemption_disabled+0x48/0x280 [ 398.832844] run_timer_softirq+0x52/0xb0 [ 398.836901] ? rcu_read_lock_sched_held+0x14f/0x180 [ 398.841911] __do_softirq+0x308/0xb7e [ 398.845708] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 398.850198] ? lock_downgrade+0x900/0x900 [ 398.854362] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 398.859468] ? pvclock_read_flags+0x160/0x160 [ 398.863959] ? lapic_next_event+0x5a/0x90 [ 398.868103] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.873667] ? kvm_clock_read+0x18/0x30 [ 398.877637] ? kvm_sched_clock_read+0x9/0x20 [ 398.882044] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.887575] ? check_preemption_disabled+0x48/0x280 [ 398.892593] irq_exit+0x17f/0x1c0 [ 398.896042] smp_apic_timer_interrupt+0x1cb/0x760 [ 398.900877] ? smp_reschedule_interrupt+0x109/0x650 [ 398.905890] ? smp_call_function_single_interrupt+0x650/0x650 [ 398.911769] ? interrupt_entry+0xb5/0xc0 [ 398.915835] ? trace_hardirqs_off_caller+0xbb/0x310 [ 398.920849] ? trace_hardirqs_off_caller+0xbb/0x310 [ 398.925858] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 398.930694] ? trace_hardirqs_on_caller+0x310/0x310 [ 398.935788] ? trace_hardirqs_on_caller+0x310/0x310 [ 398.940800] ? task_prio+0x50/0x50 [ 398.944345] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 398.949876] ? check_preemption_disabled+0x48/0x280 [ 398.954898] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 398.959740] apic_timer_interrupt+0xf/0x20 [ 398.963984] [ 398.966218] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 398.971425] Code: 00 e8 95 31 8e f9 e8 90 e2 bd f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d ea 90 8b 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d c0 90 [ 398.990338] RSP: 0000:ffff8801c4c0e140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 398.998041] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003afce19e [ 399.005301] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d7e70c7c [ 399.012566] RBP: ffff8801c4c0e168 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 399.019830] R10: 0000000000000000 R11: ffff8801d7e70400 R12: dffffc0000000000 [ 399.027104] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478 [ 399.034389] retint_kernel+0x1b/0x2d [ 399.038100] RIP: 0010:dump_stack+0x358/0x39d [ 399.042505] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 91 c1 00 fa 48 83 3d 99 b9 91 01 00 0f 84 63 fe ff ff e8 ee e6 bd f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db e6 bd f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 399.061396] RSP: 0000:ffff8801c4c0e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 399.069101] RAX: ffff8801d7e70400 RBX: 1ffffffff12a3e8e RCX: 1ffff1003afce19e [ 399.076360] RDX: 0000000000000000 RSI: ffffffff87c03ae2 RDI: 0000000000000293 [ 399.083621] RBP: ffff8801c4c0e2c8 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 399.090881] R10: 0000000000000000 R11: ffff8801d7e70400 R12: 1ffff10038981c4c [ 399.098157] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 399.105429] ? dump_stack+0x34f/0x39d [ 399.109234] ? dump_stack_print_info.cold.1+0x20/0x20 [ 399.114427] dump_header+0x27b/0xf72 [ 399.118146] ? mark_held_locks+0x130/0x130 [ 399.122374] ? pagefault_out_of_memory+0x197/0x197 [ 399.127302] ? __lock_acquire+0x62f/0x4c20 [ 399.131535] ? zap_class+0x640/0x640 [ 399.135244] ? percpu_ref_get_many+0x240/0x240 [ 399.139827] ? print_usage_bug+0xc0/0xc0 [ 399.143882] ? print_usage_bug+0xc0/0xc0 [ 399.147944] ? zap_class+0x640/0x640 [ 399.151654] ? print_usage_bug+0xc0/0xc0 [ 399.155716] ? print_usage_bug+0xc0/0xc0 [ 399.159777] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.165322] ? find_held_lock+0x36/0x1c0 [ 399.169389] ? mark_held_locks+0xc7/0x130 [ 399.173536] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 399.178637] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 399.183735] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 399.188316] ? trace_hardirqs_on+0xbd/0x310 [ 399.192634] ? kasan_check_read+0x11/0x20 [ 399.196775] ? ___ratelimit+0x3b4/0x672 [ 399.200749] ? trace_hardirqs_off_caller+0x310/0x310 [ 399.205845] ? trace_hardirqs_on+0x310/0x310 [ 399.210248] ? lock_downgrade+0x900/0x900 [ 399.214406] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 399.219501] ? ___ratelimit+0x3b9/0x672 [ 399.223492] ? idr_get_free+0xec0/0xec0 [ 399.227463] ? find_held_lock+0x36/0x1c0 [ 399.231528] oom_kill_process.cold.27+0x10/0x903 [ 399.236282] ? zap_class+0x640/0x640 [ 399.239991] ? check_preemption_disabled+0x48/0x280 [ 399.245006] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 399.249930] ? kasan_check_read+0x11/0x20 [ 399.254071] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 399.259376] ? oom_evaluate_task+0x540/0x540 [ 399.263803] ? find_held_lock+0x36/0x1c0 [ 399.267867] ? out_of_memory+0x974/0x1430 [ 399.272007] ? lock_downgrade+0x900/0x900 [ 399.276168] ? check_preemption_disabled+0x48/0x280 [ 399.281181] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 399.286102] ? kasan_check_read+0x11/0x20 [ 399.290247] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 399.295558] ? rcu_softirq_qs+0x20/0x20 [ 399.299525] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 399.305054] ? oom_evaluate_task+0x302/0x540 [ 399.309476] out_of_memory+0xa84/0x1430 [ 399.313460] ? oom_killer_disable+0x3a0/0x3a0 [ 399.317947] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 399.322871] ? __mutex_add_waiter+0x2a0/0x2a0 [ 399.327369] __alloc_pages_slowpath+0x22d4/0x2d70 [ 399.332230] ? warn_alloc+0x120/0x120 [ 399.336024] ? rcu_softirq_qs+0x20/0x20 [ 399.340017] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 399.345542] ? should_fail+0x22d/0xd01 [ 399.349422] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 399.354521] ? zap_class+0x640/0x640 [ 399.358246] ? __lock_is_held+0xb5/0x140 [ 399.362306] ? mark_held_locks+0x130/0x130 [ 399.366531] ? lock_release+0xa00/0xa00 [ 399.370514] ? perf_trace_sched_process_exec+0x860/0x860 [ 399.375965] ? __might_sleep+0x95/0x190 [ 399.379940] __alloc_pages_nodemask+0xa80/0xde0 [ 399.384609] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 399.389616] ? __page_cache_alloc+0x191/0x5c0 [ 399.394103] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 399.399019] ? kasan_check_read+0x11/0x20 [ 399.403177] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 399.408449] ? zap_class+0x640/0x640 [ 399.412159] ? zap_class+0x640/0x640 [ 399.415861] ? zap_class+0x640/0x640 [ 399.419570] ? __do_page_cache_readahead+0x7ce/0x980 [ 399.424673] ? find_held_lock+0x36/0x1c0 [ 399.428734] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 399.434294] alloc_pages_current+0x173/0x350 [ 399.438700] __page_cache_alloc+0x38c/0x5c0 [ 399.443023] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 399.447944] ? kasan_check_read+0x11/0x20 [ 399.452088] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 399.457359] ? generic_perform_write+0x6a0/0x6a0 [ 399.462109] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 399.467641] ? check_preemption_disabled+0x48/0x280 [ 399.472659] filemap_fault+0x1594/0x25f0 [ 399.476726] ? __lock_page_or_retry+0xa00/0xa00 [ 399.481390] ? mark_held_locks+0x130/0x130 [ 399.485618] ? rcu_softirq_qs+0x20/0x20 [ 399.489597] ? filemap_map_pages+0xe04/0x1990 [ 399.494100] ? __free_object+0x173/0x340 [ 399.498159] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 399.503084] ? trace_hardirqs_off_caller+0x310/0x310 [ 399.508179] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 399.513218] ? debug_object_free+0x32d/0x690 [ 399.517620] ? kasan_check_read+0x11/0x20 [ 399.521771] ? debug_object_destroy+0x2b0/0x2b0 [ 399.526442] ? lock_pi_update_atomic+0x150/0x150 [ 399.531190] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.536720] ? __hrtimer_init+0xdb/0x240 [ 399.540795] ? lock_acquire+0x1ed/0x520 [ 399.544769] ? ext4_filemap_fault+0x7a/0xad [ 399.549100] ? lock_release+0xa00/0xa00 [ 399.553067] ? perf_trace_sched_process_exec+0x860/0x860 [ 399.558509] ? print_usage_bug+0xc0/0xc0 [ 399.562565] ? print_usage_bug+0xc0/0xc0 [ 399.566632] ? down_read+0x8d/0x120 [ 399.570254] ? ext4_filemap_fault+0x7a/0xad [ 399.574583] ? __down_interruptible+0x700/0x700 [ 399.579258] ext4_filemap_fault+0x82/0xad [ 399.583408] __do_fault+0x100/0x6b0 [ 399.587030] ? pmd_devmap_trans_unstable+0x220/0x220 [ 399.592130] ? mark_held_locks+0x130/0x130 [ 399.596360] ? mark_held_locks+0x130/0x130 [ 399.600589] ? debug_smp_processor_id+0x1c/0x20 [ 399.605250] ? perf_trace_lock+0x14d/0x7a0 [ 399.609483] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 399.615017] __handle_mm_fault+0x307c/0x5920 [ 399.619429] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 399.624264] ? lock_is_held_type+0x210/0x210 [ 399.628691] ? zap_class+0x640/0x640 [ 399.632413] ? zap_class+0x640/0x640 [ 399.636137] ? __x64_sys_futex+0x53e/0x6a0 [ 399.640368] ? find_held_lock+0x36/0x1c0 [ 399.644430] ? handle_mm_fault+0x42a/0xc70 [ 399.648663] ? lock_downgrade+0x900/0x900 [ 399.652807] ? check_preemption_disabled+0x48/0x280 [ 399.657822] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 399.662747] ? kasan_check_read+0x11/0x20 [ 399.666912] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 399.672196] ? rcu_softirq_qs+0x20/0x20 [ 399.676167] ? trace_hardirqs_off_caller+0x310/0x310 [ 399.681773] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 399.687305] ? check_preemption_disabled+0x48/0x280 [ 399.692322] handle_mm_fault+0x54f/0xc70 [ 399.696379] ? __handle_mm_fault+0x5920/0x5920 [ 399.700962] ? find_vma+0x34/0x190 [ 399.704506] __do_page_fault+0x5e8/0xe60 [ 399.708561] ? trace_hardirqs_off+0xb8/0x310 [ 399.712965] ? __ia32_sys_read+0xb0/0xb0 [ 399.717029] do_page_fault+0xf2/0x7e0 [ 399.720824] ? vmalloc_sync_all+0x30/0x30 [ 399.724970] ? error_entry+0x70/0xd0 [ 399.728685] ? trace_hardirqs_off_caller+0xbb/0x310 [ 399.733694] ? trace_hardirqs_on_caller+0xc0/0x310 [ 399.738622] ? syscall_return_slowpath+0x5e0/0x5e0 [ 399.743545] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 399.748381] ? trace_hardirqs_on_caller+0x310/0x310 [ 399.753400] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 399.758848] ? prepare_exit_to_usermode+0x291/0x3b0 [ 399.763855] ? page_fault+0x8/0x30 [ 399.767389] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 399.772226] ? page_fault+0x8/0x30 [ 399.775769] page_fault+0x1e/0x30 [ 399.779218] RIP: 0033:0x45ddf3 [ 399.782418] Code: Bad RIP value. [ 399.785781] RSP: 002b:000000c4200206a0 EFLAGS: 00010206 [ 399.791137] RAX: ffffffffffffff92 RBX: 000000003b974269 RCX: 000000000045ddf3 [ 399.798485] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e1060 [ 399.805753] RBP: 000000c4200206e8 R08: 0000000000000000 R09: 0000000000000000 [ 399.813016] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001 [ 399.820279] R13: 0000000000000007 R14: 0000000000b7f720 R15: 000000000000bdf9 [ 399.827564] CPU: 0 PID: 17787 Comm: syz-executor0 Not tainted 4.19.0+ #72 [ 399.827569] warn_alloc_show_mem: 1 callbacks suppressed [ 399.827575] Mem-Info: [ 399.834484] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 399.834491] Call Trace: [ 399.839859] active_anon:46452 inactive_anon:2315 isolated_anon:0 [ 399.839859] active_file:13 inactive_file:13 isolated_file:0 [ 399.839859] unevictable:0 dirty:0 writeback:0 unstable:0 [ 399.839859] slab_reclaimable:9341 slab_unreclaimable:1470635 [ 399.839859] mapped:24578 shmem:7010 pagetables:528 bounce:0 [ 399.839859] free:13753 free_pcp:603 free_cma:0 [ 399.842226] [ 399.851577] Node 0 active_anon:185808kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:28040kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 399.854148] dump_stack+0x244/0x39d [ 399.887165] Node 0 [ 399.889304] ? dump_stack_print_info.cold.1+0x20/0x20 [ 399.916878] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 399.920480] warn_alloc.cold.117+0xb7/0x1bd [ 399.922680] lowmem_reserve[]: [ 399.927855] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 399.953318] 0 2818 [ 399.957637] ? lock_downgrade+0x900/0x900 [ 399.960704] 6321 6321 [ 399.965544] ? trace_hardirqs_off+0xb8/0x310 [ 399.971886] ? trace_hardirqs_off+0xb8/0x310 [ 399.974353] Node 0 [ 399.978769] __alloc_pages_slowpath+0x2660/0x2d70 [ 399.983160] DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 399.985383] ? warn_alloc+0x120/0x120 [ 399.990170] lowmem_reserve[]: 0 [ 400.017141] ? warn_alloc+0x120/0x120 [ 400.020906] 0 3503 [ 400.024181] ? print_usage_bug+0xc0/0xc0 [ 400.027948] 3503 [ 400.030174] ? warn_alloc+0x120/0x120 [ 400.034207] Node 0 [ 400.036256] ? print_usage_bug+0xc0/0xc0 [ 400.040054] Normal free:13924kB min:37364kB low:46704kB high:56044kB active_anon:183760kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5536kB pagetables:2112kB bounce:0kB free_pcp:2164kB local_pcp:1336kB free_cma:0kB [ 400.042254] ? warn_alloc+0x120/0x120 [ 400.046283] lowmem_reserve[]: 0 [ 400.074818] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 400.078586] 0 [ 400.081850] ? should_fail+0x22d/0xd01 [ 400.087370] 0 0 [ 400.089163] ? __lock_acquire+0x62f/0x4c20 [ 400.093023] Node 0 [ 400.094985] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 400.099183] DMA: 1*4kB [ 400.101413] ? __lock_acquire+0x62f/0x4c20 [ 400.106483] (U) [ 400.109057] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 400.113268] 0*8kB 0*16kB [ 400.115245] ? __lock_acquire+0x62f/0x4c20 [ 400.120334] 1*32kB (U) [ 400.123085] ? should_fail+0x22d/0xd01 [ 400.127309] 2*64kB [ 400.129893] ? mark_held_locks+0x130/0x130 [ 400.133742] (U) [ 400.135973] ? mark_held_locks+0x130/0x130 [ 400.140176] 1*128kB [ 400.142142] ? mark_held_locks+0x130/0x130 [ 400.146345] (U) [ 400.148655] ? zap_class+0x640/0x640 [ 400.152861] 1*256kB (U) [ 400.154828] ? print_usage_bug+0xc0/0xc0 [ 400.158506] 0*512kB 1*1024kB [ 400.161171] ? mark_held_locks+0x130/0x130 [ 400.165216] (U) [ 400.168303] ? print_usage_bug+0xc0/0xc0 [ 400.168319] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.172521] 1*2048kB (M) [ 400.174493] ? check_preemption_disabled+0x48/0x280 [ 400.178516] 3*4096kB (M) [ 400.184050] ? __lock_is_held+0xb5/0x140 [ 400.186775] = 15908kB [ 400.191793] __alloc_pages_nodemask+0xa80/0xde0 [ 400.194518] Node 0 [ 400.198565] ? zap_class+0x640/0x640 [ 400.200943] DMA32: 5*4kB [ 400.205606] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 400.207813] (UM) [ 400.211517] ? find_held_lock+0x36/0x1c0 [ 400.214238] 1*8kB (H) [ 400.219253] ? ____cache_alloc_node+0x1c7/0x1e0 [ 400.221280] 2*16kB (M) [ 400.225332] ? lock_downgrade+0x900/0x900 [ 400.227795] 3*32kB (M) [ 400.232457] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.235003] 3*64kB (MH) [ 400.239142] cache_grow_begin+0xa5/0x8c0 [ 400.241690] 4*128kB (M) [ 400.247224] ? do_raw_spin_unlock+0xa7/0x330 [ 400.249865] 5*256kB (UMH) [ 400.253920] fallback_alloc+0x204/0x2e0 [ 400.256559] 5*512kB [ 400.260954] ____cache_alloc_node+0x1c7/0x1e0 [ 400.263775] (UMH) [ 400.267743] kmem_cache_alloc_node+0xe3/0x730 [ 400.270032] 4*1024kB (UMH) [ 400.274533] ? ipv6_get_ifaddr+0x42e/0x620 [ 400.276647] 2*2048kB (UM) [ 400.281135] __alloc_skb+0x119/0x770 [ 400.284027] 3*4096kB (M) [ 400.288254] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 400.291066] = 25180kB [ 400.291073] Node 0 [ 400.294772] ? netdev_alloc_frag+0x1f0/0x1f0 [ 400.297497] Normal: 1917*4kB [ 400.302772] ? lock_downgrade+0x900/0x900 [ 400.305155] (UME) [ 400.307378] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.311752] 392*8kB [ 400.314843] ? refcount_sub_and_test_checked+0x203/0x310 [ 400.318969] (UME) [ 400.321112] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 400.326616] 105*16kB [ 400.328922] ? addrconf_rs_timer+0x690/0x690 [ 400.334359] (UME) [ 400.336503] ndisc_alloc_skb+0x144/0x340 [ 400.341918] 43*32kB (UM) [ 400.344317] ndisc_send_rs+0x331/0x6e0 [ 400.348689] 1*64kB (U) [ 400.350840] addrconf_rs_timer+0x314/0x690 [ 400.354872] 0*128kB 0*256kB [ 400.357633] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 400.361483] 0*512kB 0*1024kB [ 400.364093] call_timer_fn+0x272/0x920 [ 400.368285] 0*2048kB 0*4096kB [ 400.371293] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 400.375493] = 13924kB [ 400.375506] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 400.378592] ? process_timeout+0x40/0x40 [ 400.382454] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 400.385631] ? __run_timers+0x7da/0xc70 [ 400.389846] 7036 total pagecache pages [ 400.392246] ? _raw_spin_unlock_irq+0x27/0x80 [ 400.401060] 0 pages in swap cache [ 400.405096] ? _raw_spin_unlock_irq+0x27/0x80 [ 400.413641] Swap cache stats: add 0, delete 0, find 0/0 [ 400.417594] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 400.421457] Free swap = 0kB [ 400.425937] ? lockdep_hardirqs_on+0x296/0x5b0 [ 400.429360] Total swap = 0kB [ 400.433841] ? trace_hardirqs_on+0xbd/0x310 [ 400.439195] 1965979 pages RAM [ 400.443420] ? kasan_check_read+0x11/0x20 [ 400.446402] 0 pages HighMem/MovableOnly [ 400.446409] 342867 pages reserved [ 400.450976] ? __run_timers+0x7da/0xc70 [ 400.453967] 0 pages cma reserved [ 400.458283] ? trace_hardirqs_off_caller+0x310/0x310 [ 400.461416] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 400.465495] ? tcp_compressed_ack_kick+0x220/0x220 [ 400.465516] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 400.469524] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 400.472910] __run_timers+0x7e5/0xc70 [ 400.476854] syz-fuzzer cpuset= [ 400.480216] ? timer_fixup_init+0x70/0x70 [ 400.485289] / [ 400.491770] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 400.496673] mems_allowed=0 [ 400.500901] ? zap_class+0x640/0x640 [ 400.535486] ? enqueue_hrtimer+0x1a5/0x560 [ 400.539719] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 400.544910] ? find_held_lock+0x36/0x1c0 [ 400.548968] ? zap_class+0x640/0x640 [ 400.552681] ? pvclock_read_flags+0x160/0x160 [ 400.557183] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.562721] ? check_preemption_disabled+0x48/0x280 [ 400.567740] ? __lock_is_held+0xb5/0x140 [ 400.571797] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.577326] ? check_preemption_disabled+0x48/0x280 [ 400.582342] run_timer_softirq+0x52/0xb0 [ 400.586395] ? rcu_read_lock_sched_held+0x14f/0x180 [ 400.591406] __do_softirq+0x308/0xb7e [ 400.595203] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 400.599703] ? lock_downgrade+0x900/0x900 [ 400.603850] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 400.608961] ? pvclock_read_flags+0x160/0x160 [ 400.613453] ? lapic_next_event+0x5a/0x90 [ 400.617597] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.623132] ? kvm_clock_read+0x18/0x30 [ 400.627100] ? kvm_sched_clock_read+0x9/0x20 [ 400.631507] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.637042] ? check_preemption_disabled+0x48/0x280 [ 400.642060] irq_exit+0x17f/0x1c0 [ 400.645519] smp_apic_timer_interrupt+0x1cb/0x760 [ 400.650354] ? smp_reschedule_interrupt+0x109/0x650 [ 400.655363] ? smp_call_function_single_interrupt+0x650/0x650 [ 400.661249] ? interrupt_entry+0xb5/0xc0 [ 400.665306] ? trace_hardirqs_off_caller+0xbb/0x310 [ 400.670313] ? trace_hardirqs_off_caller+0xbb/0x310 [ 400.675324] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 400.680162] ? trace_hardirqs_on_caller+0x310/0x310 [ 400.685170] ? trace_hardirqs_on_caller+0x310/0x310 [ 400.690181] ? task_prio+0x50/0x50 [ 400.693720] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.699249] ? check_preemption_disabled+0x48/0x280 [ 400.704264] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 400.709123] apic_timer_interrupt+0xf/0x20 [ 400.713344] [ 400.715579] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 400.720504] Code: 7e 0f 85 cf fe ff ff e8 f6 d7 3f ff e9 c5 fe ff ff e8 4d a2 c3 ff 48 83 3d a5 50 91 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 6a b1 [ 400.739393] RSP: 0000:ffff88019c63f740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 400.747103] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 400.754364] RDX: 0000000000000000 RSI: ffff8801929e68c0 RDI: 0000000000000286 [ 400.761621] RBP: ffff88019c63f7a8 R08: ffff8801929e6040 R09: 0000000000000000 [ 400.768879] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 400.776136] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020 [ 400.783444] skb_clone+0x1bb/0x500 [ 400.786978] ? finish_task_switch+0x2f4/0x910 [ 400.791471] ? skb_split+0x11e0/0x11e0 [ 400.795360] ? preempt_notifier_register+0x200/0x200 [ 400.800454] ? __switch_to_asm+0x34/0x70 [ 400.804509] ? __switch_to_asm+0x34/0x70 [ 400.808559] ? __switch_to_asm+0x40/0x70 [ 400.812613] ? __switch_to_asm+0x34/0x70 [ 400.816675] ? __switch_to_asm+0x40/0x70 [ 400.820735] ? __switch_to_asm+0x34/0x70 [ 400.824785] ? __switch_to_asm+0x40/0x70 [ 400.828839] ? __switch_to_asm+0x34/0x70 [ 400.832891] ? __switch_to_asm+0x34/0x70 [ 400.836944] ? __switch_to_asm+0x40/0x70 [ 400.840997] ? __switch_to_asm+0x34/0x70 [ 400.845055] bpf_clone_redirect+0xb9/0x490 [ 400.849283] ? __schedule+0x8d7/0x21d0 [ 400.853180] bpf_prog_bebbfe2050753572+0x325/0x1000 [ 400.858198] ? __sched_text_start+0x8/0x8 [ 400.862361] ? find_held_lock+0x36/0x1c0 [ 400.866432] ? lock_acquire+0x1ed/0x520 [ 400.870398] ? bpf_test_run+0x3cb/0x780 [ 400.874367] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.879895] ? check_preemption_disabled+0x48/0x280 [ 400.884907] ? kasan_check_read+0x11/0x20 [ 400.889048] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 400.894324] ? rcu_softirq_qs+0x20/0x20 [ 400.898293] ? preempt_schedule+0x4d/0x60 [ 400.902433] ? ___preempt_schedule+0x16/0x18 [ 400.906842] ? bpf_test_run+0x25d/0x780 [ 400.910823] ? netlink_diag_dump+0x2a0/0x2a0 [ 400.915226] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 400.920755] ? bpf_test_init.isra.10+0x70/0x100 [ 400.925425] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 400.930272] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 400.935111] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 400.940669] ? fput+0x130/0x1a0 [ 400.943949] ? __bpf_prog_get+0x9b/0x290 [ 400.948009] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 400.952852] ? bpf_prog_test_run+0x130/0x1a0 [ 400.957262] ? __x64_sys_bpf+0x3d8/0x520 [ 400.961314] ? bpf_prog_get+0x20/0x20 [ 400.965138] ? do_syscall_64+0x1b9/0x820 [ 400.969197] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 400.974555] ? syscall_return_slowpath+0x5e0/0x5e0 [ 400.979514] ? trace_hardirqs_on_caller+0x310/0x310 [ 400.984545] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 400.989556] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 400.996226] ? __switch_to_asm+0x40/0x70 [ 401.000280] ? __switch_to_asm+0x34/0x70 [ 401.004342] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 401.009184] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 401.014556] CPU: 1 PID: 5375 Comm: syz-fuzzer Not tainted 4.19.0+ #72 [ 401.014621] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 401.021130] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 401.021136] Call Trace: [ 401.027690] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 401.036942] [ 401.039504] syz-executor0 cpuset= [ 401.049972] dump_stack+0x244/0x39d [ 401.052092] syz0 [ 401.055532] ? dump_stack_print_info.cold.1+0x20/0x20 [ 401.059129] mems_allowed=0 [ 401.061096] warn_alloc.cold.117+0xb7/0x1bd [ 401.073490] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 401.078329] ? lock_downgrade+0x900/0x900 [ 401.082476] ? trace_hardirqs_off+0xb8/0x310 [ 401.086881] ? trace_hardirqs_off+0xb8/0x310 [ 401.091290] __alloc_pages_slowpath+0x2660/0x2d70 [ 401.096158] ? warn_alloc+0x120/0x120 [ 401.099961] ? warn_alloc+0x120/0x120 [ 401.103755] ? print_usage_bug+0xc0/0xc0 [ 401.107810] ? warn_alloc+0x120/0x120 [ 401.111607] ? print_usage_bug+0xc0/0xc0 [ 401.115667] ? __lock_acquire+0x62f/0x4c20 [ 401.119899] ? __lock_acquire+0x62f/0x4c20 [ 401.124129] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 401.129681] ? should_fail+0x22d/0xd01 [ 401.133563] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 401.138668] ? __lock_acquire+0x62f/0x4c20 [ 401.142897] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 401.148011] ? __lock_acquire+0x62f/0x4c20 [ 401.152423] ? should_fail+0x22d/0xd01 [ 401.156301] ? find_held_lock+0x36/0x1c0 [ 401.160365] ? mark_held_locks+0x130/0x130 [ 401.164599] ? mark_held_locks+0x130/0x130 [ 401.168830] ? zap_class+0x640/0x640 [ 401.172550] ? zap_class+0x640/0x640 [ 401.176259] ? print_usage_bug+0xc0/0xc0 [ 401.180310] ? do_raw_spin_unlock+0xa7/0x330 [ 401.184711] ? zap_class+0x640/0x640 [ 401.188422] ? print_usage_bug+0xc0/0xc0 [ 401.192478] ? wq_watchdog_touch+0x9c/0xfe [ 401.196726] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.202251] ? check_preemption_disabled+0x48/0x280 [ 401.207288] ? __lock_is_held+0xb5/0x140 [ 401.211361] __alloc_pages_nodemask+0xa80/0xde0 [ 401.216023] ? zap_class+0x640/0x640 [ 401.219740] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 401.224772] ? find_held_lock+0x36/0x1c0 [ 401.228847] ? ____cache_alloc_node+0x1c7/0x1e0 [ 401.233509] ? lock_downgrade+0x900/0x900 [ 401.237662] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.243198] cache_grow_begin+0xa5/0x8c0 [ 401.247260] ? do_raw_spin_unlock+0xa7/0x330 [ 401.251669] fallback_alloc+0x204/0x2e0 [ 401.255646] ____cache_alloc_node+0x1c7/0x1e0 [ 401.260145] kmem_cache_alloc_node+0xe3/0x730 [ 401.264641] ? ipv6_get_ifaddr+0x42e/0x620 [ 401.268879] __alloc_skb+0x119/0x770 [ 401.272584] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 401.277869] ? netdev_alloc_frag+0x1f0/0x1f0 [ 401.282274] ? lock_downgrade+0x900/0x900 [ 401.286420] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.291949] ? refcount_sub_and_test_checked+0x203/0x310 [ 401.297394] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 401.302837] ? addrconf_rs_timer+0x690/0x690 [ 401.307245] ndisc_alloc_skb+0x144/0x340 [ 401.311303] ndisc_send_rs+0x331/0x6e0 [ 401.315197] addrconf_rs_timer+0x314/0x690 [ 401.319432] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.323672] call_timer_fn+0x272/0x920 [ 401.327556] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.331802] ? process_timeout+0x40/0x40 [ 401.335868] ? mark_held_locks+0xc7/0x130 [ 401.340012] ? _raw_spin_unlock_irq+0x27/0x80 [ 401.344502] ? _raw_spin_unlock_irq+0x27/0x80 [ 401.348995] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.353225] ? lockdep_hardirqs_on+0x296/0x5b0 [ 401.357801] ? trace_hardirqs_on+0xbd/0x310 [ 401.362143] ? kasan_check_read+0x11/0x20 [ 401.366288] ? __run_timers+0x7da/0xc70 [ 401.370257] ? trace_hardirqs_off_caller+0x310/0x310 [ 401.375371] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.379605] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.383850] __run_timers+0x7e5/0xc70 [ 401.387649] ? rcu_irq_exit+0x1a2/0x390 [ 401.391634] ? timer_fixup_init+0x70/0x70 [ 401.395793] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.401326] ? check_preemption_disabled+0x48/0x280 [ 401.406340] ? mark_held_locks+0xc7/0x130 [ 401.410477] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 401.415487] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 401.420250] ? retint_kernel+0x2d/0x2d [ 401.424136] ? trace_hardirqs_on_caller+0xc0/0x310 [ 401.429064] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 401.433815] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 401.439258] ? zap_class+0x640/0x640 [ 401.442980] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.448506] ? check_preemption_disabled+0x48/0x280 [ 401.453520] ? __lock_is_held+0xb5/0x140 [ 401.457587] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.463142] ? check_preemption_disabled+0x48/0x280 [ 401.468158] run_timer_softirq+0x52/0xb0 [ 401.472216] ? rcu_read_lock_sched_held+0x14f/0x180 [ 401.477227] __do_softirq+0x308/0xb7e [ 401.481046] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 401.485532] ? lock_downgrade+0x900/0x900 [ 401.489681] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 401.494785] ? pvclock_read_flags+0x160/0x160 [ 401.499295] ? lapic_next_event+0x5a/0x90 [ 401.503436] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.508975] ? kvm_clock_read+0x18/0x30 [ 401.513139] ? kvm_sched_clock_read+0x9/0x20 [ 401.517564] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.523093] ? check_preemption_disabled+0x48/0x280 [ 401.528117] irq_exit+0x17f/0x1c0 [ 401.531570] smp_apic_timer_interrupt+0x1cb/0x760 [ 401.536418] ? smp_reschedule_interrupt+0x109/0x650 [ 401.541429] ? smp_call_function_single_interrupt+0x650/0x650 [ 401.547311] ? interrupt_entry+0xb5/0xc0 [ 401.551367] ? trace_hardirqs_off_caller+0xbb/0x310 [ 401.556387] ? trace_hardirqs_off_caller+0xbb/0x310 [ 401.561405] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 401.566241] ? trace_hardirqs_on_caller+0x310/0x310 [ 401.571249] ? trace_hardirqs_on_caller+0x310/0x310 [ 401.576256] ? task_prio+0x50/0x50 [ 401.579787] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 401.585315] ? check_preemption_disabled+0x48/0x280 [ 401.590331] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 401.595176] apic_timer_interrupt+0xf/0x20 [ 401.599399] [ 401.601632] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 401.606815] Code: 00 e8 95 31 8e f9 e8 90 e2 bd f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d ea 90 8b 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d c0 90 [ 401.625811] RSP: 0000:ffff8801c4c0e140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 401.633607] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003afce19e [ 401.640885] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d7e70c7c [ 401.648147] RBP: ffff8801c4c0e168 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 401.655411] R10: 0000000000000000 R11: ffff8801d7e70400 R12: dffffc0000000000 [ 401.662673] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478 [ 401.669958] retint_kernel+0x1b/0x2d [ 401.673664] RIP: 0010:dump_stack+0x358/0x39d [ 401.678577] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 91 c1 00 fa 48 83 3d 99 b9 91 01 00 0f 84 63 fe ff ff e8 ee e6 bd f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db e6 bd f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 401.697472] RSP: 0000:ffff8801c4c0e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 401.705200] RAX: ffff8801d7e70400 RBX: 1ffffffff12a3e8e RCX: 1ffff1003afce19e [ 401.712462] RDX: 0000000000000000 RSI: ffffffff87c03ae2 RDI: 0000000000000293 [ 401.719724] RBP: ffff8801c4c0e2c8 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 401.726986] R10: 0000000000000000 R11: ffff8801d7e70400 R12: 1ffff10038981c4c [ 401.734265] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 401.741553] ? dump_stack+0x34f/0x39d [ 401.745363] ? dump_stack_print_info.cold.1+0x20/0x20 [ 401.750558] dump_header+0x27b/0xf72 [ 401.754281] ? mark_held_locks+0x130/0x130 [ 401.758510] ? pagefault_out_of_memory+0x197/0x197 [ 401.763442] ? __lock_acquire+0x62f/0x4c20 [ 401.767683] ? zap_class+0x640/0x640 [ 401.771414] ? percpu_ref_get_many+0x240/0x240 [ 401.775988] ? print_usage_bug+0xc0/0xc0 [ 401.780042] ? print_usage_bug+0xc0/0xc0 [ 401.784107] ? zap_class+0x640/0x640 [ 401.787814] ? print_usage_bug+0xc0/0xc0 [ 401.791867] ? print_usage_bug+0xc0/0xc0 [ 401.795928] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.801464] ? find_held_lock+0x36/0x1c0 [ 401.805529] ? mark_held_locks+0xc7/0x130 [ 401.809677] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 401.814781] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 401.819883] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 401.824462] ? trace_hardirqs_on+0xbd/0x310 [ 401.828774] ? kasan_check_read+0x11/0x20 [ 401.832917] ? ___ratelimit+0x3b4/0x672 [ 401.836897] ? trace_hardirqs_off_caller+0x310/0x310 [ 401.841993] ? trace_hardirqs_on+0x310/0x310 [ 401.846395] ? lock_downgrade+0x900/0x900 [ 401.850545] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 401.856176] ? ___ratelimit+0x3b9/0x672 [ 401.860146] ? idr_get_free+0xec0/0xec0 [ 401.864116] ? find_held_lock+0x36/0x1c0 [ 401.868177] oom_kill_process.cold.27+0x10/0x903 [ 401.872941] ? zap_class+0x640/0x640 [ 401.876648] ? check_preemption_disabled+0x48/0x280 [ 401.881661] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 401.886590] ? kasan_check_read+0x11/0x20 [ 401.890734] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 401.896006] ? oom_evaluate_task+0x540/0x540 [ 401.900421] ? find_held_lock+0x36/0x1c0 [ 401.904486] ? out_of_memory+0x974/0x1430 [ 401.908630] ? lock_downgrade+0x900/0x900 [ 401.912770] ? check_preemption_disabled+0x48/0x280 [ 401.917785] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 401.922709] ? kasan_check_read+0x11/0x20 [ 401.926853] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 401.932126] ? rcu_softirq_qs+0x20/0x20 [ 401.936102] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 401.941639] ? oom_evaluate_task+0x302/0x540 [ 401.946046] out_of_memory+0xa84/0x1430 [ 401.950020] ? oom_killer_disable+0x3a0/0x3a0 [ 401.954510] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 401.959436] ? __mutex_add_waiter+0x2a0/0x2a0 [ 401.964023] __alloc_pages_slowpath+0x22d4/0x2d70 [ 401.968884] ? warn_alloc+0x120/0x120 [ 401.972677] ? rcu_softirq_qs+0x20/0x20 [ 401.976686] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 401.982218] ? should_fail+0x22d/0xd01 [ 401.986108] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 401.991209] ? zap_class+0x640/0x640 [ 401.994939] ? __lock_is_held+0xb5/0x140 [ 401.999000] ? mark_held_locks+0x130/0x130 [ 402.003236] ? lock_release+0xa00/0xa00 [ 402.007204] ? perf_trace_sched_process_exec+0x860/0x860 [ 402.012660] ? __might_sleep+0x95/0x190 [ 402.016635] __alloc_pages_nodemask+0xa80/0xde0 [ 402.021304] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 402.026332] ? __page_cache_alloc+0x191/0x5c0 [ 402.030821] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 402.035744] ? kasan_check_read+0x11/0x20 [ 402.039888] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 402.045162] ? zap_class+0x640/0x640 [ 402.048880] ? zap_class+0x640/0x640 [ 402.052594] ? zap_class+0x640/0x640 [ 402.056304] ? __do_page_cache_readahead+0x7ce/0x980 [ 402.061402] ? find_held_lock+0x36/0x1c0 [ 402.065475] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 402.071010] alloc_pages_current+0x173/0x350 [ 402.075418] __page_cache_alloc+0x38c/0x5c0 [ 402.079732] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 402.084653] ? kasan_check_read+0x11/0x20 [ 402.088799] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 402.094075] ? generic_perform_write+0x6a0/0x6a0 [ 402.098824] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 402.104355] ? check_preemption_disabled+0x48/0x280 [ 402.109372] filemap_fault+0x1594/0x25f0 [ 402.113455] ? __lock_page_or_retry+0xa00/0xa00 [ 402.118124] ? mark_held_locks+0x130/0x130 [ 402.122356] ? rcu_softirq_qs+0x20/0x20 [ 402.126339] ? filemap_map_pages+0xe04/0x1990 [ 402.130838] ? __free_object+0x173/0x340 [ 402.134898] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 402.139820] ? trace_hardirqs_off_caller+0x310/0x310 [ 402.144917] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 402.149596] ? debug_object_free+0x32d/0x690 [ 402.153998] ? kasan_check_read+0x11/0x20 [ 402.158155] ? debug_object_destroy+0x2b0/0x2b0 [ 402.162822] ? lock_pi_update_atomic+0x150/0x150 [ 402.167579] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.173111] ? __hrtimer_init+0xdb/0x240 [ 402.177208] ? lock_acquire+0x1ed/0x520 [ 402.181193] ? ext4_filemap_fault+0x7a/0xad [ 402.185516] ? lock_release+0xa00/0xa00 [ 402.189486] ? perf_trace_sched_process_exec+0x860/0x860 [ 402.194934] ? print_usage_bug+0xc0/0xc0 [ 402.198989] ? print_usage_bug+0xc0/0xc0 [ 402.203053] ? down_read+0x8d/0x120 [ 402.206674] ? ext4_filemap_fault+0x7a/0xad [ 402.210993] ? __down_interruptible+0x700/0x700 [ 402.215675] ext4_filemap_fault+0x82/0xad [ 402.219818] __do_fault+0x100/0x6b0 [ 402.223446] ? pmd_devmap_trans_unstable+0x220/0x220 [ 402.228557] ? mark_held_locks+0x130/0x130 [ 402.232785] ? mark_held_locks+0x130/0x130 [ 402.237014] ? debug_smp_processor_id+0x1c/0x20 [ 402.241672] ? perf_trace_lock+0x14d/0x7a0 [ 402.245909] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 402.251454] __handle_mm_fault+0x307c/0x5920 [ 402.255866] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 402.260702] ? lock_is_held_type+0x210/0x210 [ 402.265135] ? zap_class+0x640/0x640 [ 402.268845] ? zap_class+0x640/0x640 [ 402.272561] ? __x64_sys_futex+0x53e/0x6a0 [ 402.276794] ? find_held_lock+0x36/0x1c0 [ 402.280856] ? handle_mm_fault+0x42a/0xc70 [ 402.285085] ? lock_downgrade+0x900/0x900 [ 402.289234] ? check_preemption_disabled+0x48/0x280 [ 402.294254] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 402.299192] ? kasan_check_read+0x11/0x20 [ 402.303339] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 402.308614] ? rcu_softirq_qs+0x20/0x20 [ 402.312587] ? trace_hardirqs_off_caller+0x310/0x310 [ 402.317689] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 402.323227] ? check_preemption_disabled+0x48/0x280 [ 402.328239] handle_mm_fault+0x54f/0xc70 [ 402.332310] ? __handle_mm_fault+0x5920/0x5920 [ 402.336910] ? find_vma+0x34/0x190 [ 402.340449] __do_page_fault+0x5e8/0xe60 [ 402.344501] ? trace_hardirqs_off+0xb8/0x310 [ 402.348904] ? __ia32_sys_read+0xb0/0xb0 [ 402.352965] do_page_fault+0xf2/0x7e0 [ 402.356761] ? vmalloc_sync_all+0x30/0x30 [ 402.360898] ? error_entry+0x70/0xd0 [ 402.364615] ? trace_hardirqs_off_caller+0xbb/0x310 [ 402.369620] ? trace_hardirqs_on_caller+0xc0/0x310 [ 402.374546] ? syscall_return_slowpath+0x5e0/0x5e0 [ 402.379466] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 402.384301] ? trace_hardirqs_on_caller+0x310/0x310 [ 402.389322] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 402.394772] ? prepare_exit_to_usermode+0x291/0x3b0 [ 402.399784] ? page_fault+0x8/0x30 [ 402.403324] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 402.408162] ? page_fault+0x8/0x30 [ 402.411694] page_fault+0x1e/0x30 [ 402.415136] RIP: 0033:0x45ddf3 [ 402.418334] Code: Bad RIP value. [ 402.421691] RSP: 002b:000000c4200206a0 EFLAGS: 00010206 [ 402.427050] RAX: ffffffffffffff92 RBX: 000000003b974269 RCX: 000000000045ddf3 [ 402.434311] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e1060 [ 402.441575] RBP: 000000c4200206e8 R08: 0000000000000000 R09: 0000000000000000 [ 402.448835] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001 [ 402.456098] R13: 0000000000000007 R14: 0000000000b7f720 R15: 000000000000bdf9 [ 402.463381] CPU: 0 PID: 17787 Comm: syz-executor0 Not tainted 4.19.0+ #72 [ 402.463385] warn_alloc_show_mem: 1 callbacks suppressed [ 402.463391] Mem-Info: [ 402.470306] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 402.475666] active_anon:46452 inactive_anon:2315 isolated_anon:0 [ 402.475666] active_file:13 inactive_file:13 isolated_file:0 [ 402.475666] unevictable:0 dirty:0 writeback:0 unstable:0 [ 402.475666] slab_reclaimable:9341 slab_unreclaimable:1470635 [ 402.475666] mapped:24578 shmem:7010 pagetables:528 bounce:0 [ 402.475666] free:13753 free_pcp:603 free_cma:0 [ 402.478035] Call Trace: [ 402.487411] Node 0 active_anon:185808kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:28040kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 402.520432] [ 402.523009] Node 0 [ 402.550592] dump_stack+0x244/0x39d [ 402.552736] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 402.554941] ? dump_stack_print_info.cold.1+0x20/0x20 [ 402.558542] lowmem_reserve[]: [ 402.584036] warn_alloc.cold.117+0xb7/0x1bd [ 402.589189] 0 [ 402.592280] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 402.596573] 2818 [ 402.598360] ? lock_downgrade+0x900/0x900 [ 402.603168] 6321 [ 402.605237] ? trace_hardirqs_off+0xb8/0x310 [ 402.609345] 6321 [ 402.611403] ? trace_hardirqs_off+0xb8/0x310 [ 402.615777] Node 0 [ 402.617833] __alloc_pages_slowpath+0x2660/0x2d70 [ 402.622246] DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 402.624475] ? warn_alloc+0x120/0x120 [ 402.629267] lowmem_reserve[]: 0 [ 402.656248] ? warn_alloc+0x120/0x120 [ 402.660015] 0 [ 402.663280] ? print_usage_bug+0xc0/0xc0 [ 402.667055] 3503 [ 402.668844] ? warn_alloc+0x120/0x120 [ 402.672868] 3503 [ 402.674925] ? print_usage_bug+0xc0/0xc0 [ 402.678696] Node 0 [ 402.680747] ? __lock_acquire+0x62f/0x4c20 [ 402.684803] Normal free:13924kB min:37364kB low:46704kB high:56044kB active_anon:183760kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5536kB pagetables:2112kB bounce:0kB free_pcp:2164kB local_pcp:1336kB free_cma:0kB [ 402.687005] ? __lock_acquire+0x62f/0x4c20 [ 402.691206] lowmem_reserve[]: 0 [ 402.719737] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 402.723940] 0 [ 402.727200] ? should_fail+0x22d/0xd01 [ 402.732701] 0 0 [ 402.734499] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 402.738359] Node 0 [ 402.740320] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 402.745575] DMA: [ 402.747796] ? __lock_acquire+0x62f/0x4c20 [ 402.752868] 1*4kB [ 402.754919] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 402.759116] (U) 0*8kB [ 402.761257] ? __lock_acquire+0x62f/0x4c20 [ 402.766323] 0*16kB 1*32kB [ 402.768807] ? should_fail+0x22d/0xd01 [ 402.773011] (U) [ 402.775843] ? rcu_irq_exit+0x1a2/0x390 [ 402.779695] 2*64kB (U) [ 402.781669] ? mark_held_locks+0x130/0x130 [ 402.785602] 1*128kB (U) [ 402.788181] ? mark_held_locks+0x130/0x130 [ 402.792403] 1*256kB [ 402.795061] ? mark_held_locks+0xc7/0x130 [ 402.799268] (U) 0*512kB [ 402.801581] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 402.805691] 1*1024kB (U) [ 402.808362] ? zap_class+0x640/0x640 [ 402.813343] 1*2048kB (M) [ 402.816096] ? print_usage_bug+0xc0/0xc0 [ 402.819779] 3*4096kB [ 402.822536] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.826578] (M) = 15908kB [ 402.828985] ? check_preemption_disabled+0x48/0x280 [ 402.834492] Node 0 [ 402.837250] ? __lock_is_held+0xb5/0x140 [ 402.842234] DMA32: 5*4kB [ 402.844467] __alloc_pages_nodemask+0xa80/0xde0 [ 402.848492] (UM) [ 402.851242] ? zap_class+0x640/0x640 [ 402.855878] 1*8kB (H) [ 402.857937] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 402.861617] 2*16kB [ 402.864121] ? find_held_lock+0x36/0x1c0 [ 402.869101] (M) [ 402.871336] ? ____cache_alloc_node+0x1c7/0x1e0 [ 402.875361] 3*32kB [ 402.877323] ? lock_downgrade+0x900/0x900 [ 402.881961] (M) [ 402.884188] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.888298] 3*64kB (MH) [ 402.890270] cache_grow_begin+0xa5/0x8c0 [ 402.895776] 4*128kB (M) [ 402.898439] ? do_raw_spin_unlock+0xa7/0x330 [ 402.902471] 5*256kB (UMH) [ 402.905159] fallback_alloc+0x204/0x2e0 [ 402.909533] 5*512kB [ 402.912365] ____cache_alloc_node+0x1c7/0x1e0 [ 402.916309] (UMH) [ 402.918621] kmem_cache_alloc_node+0xe3/0x730 [ 402.923081] 4*1024kB (UMH) [ 402.925225] ? ipv6_get_ifaddr+0x42e/0x620 [ 402.929713] 2*2048kB (UM) [ 402.932641] __alloc_skb+0x119/0x770 [ 402.936848] 3*4096kB [ 402.939687] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 402.943368] (M) [ 402.945768] ? netdev_alloc_frag+0x1f0/0x1f0 [ 402.951014] = 25180kB [ 402.951020] Node 0 [ 402.952986] ? lock_downgrade+0x900/0x900 [ 402.957360] Normal: 1917*4kB [ 402.959773] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.961997] (UME) [ 402.966138] ? refcount_sub_and_test_checked+0x203/0x310 [ 402.969208] 392*8kB (UME) [ 402.974736] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 402.976853] 105*16kB [ 402.982284] ? addrconf_rs_timer+0x690/0x690 [ 402.985184] (UME) [ 402.990629] ndisc_alloc_skb+0x144/0x340 [ 402.993009] 43*32kB [ 402.997401] ndisc_send_rs+0x331/0x6e0 [ 402.999524] (UM) [ 403.003580] addrconf_rs_timer+0x314/0x690 [ 403.005869] 1*64kB (U) [ 403.009747] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 403.011775] 0*128kB 0*256kB [ 403.016010] call_timer_fn+0x272/0x920 [ 403.018562] 0*512kB [ 403.022783] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 403.025771] 0*1024kB 0*2048kB [ 403.029648] ? process_timeout+0x40/0x40 [ 403.031944] 0*4096kB [ 403.036168] ? __run_timers+0x7da/0xc70 [ 403.039331] = 13924kB [ 403.039344] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 403.043388] ? _raw_spin_unlock_irq+0x27/0x80 [ 403.045773] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 403.049732] ? _raw_spin_unlock_irq+0x27/0x80 [ 403.052112] 7036 total pagecache pages [ 403.060944] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 403.065431] 0 pages in swap cache [ 403.073987] ? lockdep_hardirqs_on+0x296/0x5b0 [ 403.078458] Swap cache stats: add 0, delete 0, find 0/0 [ 403.082327] ? trace_hardirqs_on+0xbd/0x310 [ 403.086532] Free swap = 0kB [ 403.089973] ? kasan_check_read+0x11/0x20 [ 403.094530] Total swap = 0kB [ 403.099877] ? __run_timers+0x7da/0xc70 [ 403.104166] 1965979 pages RAM [ 403.107171] ? trace_hardirqs_off_caller+0x310/0x310 [ 403.111282] 0 pages HighMem/MovableOnly [ 403.111288] 342867 pages reserved [ 403.114295] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 403.118238] 0 pages cma reserved [ 403.121332] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 403.126465] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 403.130365] __run_timers+0x7e5/0xc70 [ 403.133868] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 403.138026] ? timer_fixup_init+0x70/0x70 [ 403.141361] syz-fuzzer cpuset= [ 403.145579] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 403.152039] / [ 403.155821] ? zap_class+0x640/0x640 [ 403.166015] mems_allowed=0 [ 403.170146] ? enqueue_hrtimer+0x1a5/0x560 [ 403.190830] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 403.196020] ? find_held_lock+0x36/0x1c0 [ 403.200084] ? zap_class+0x640/0x640 [ 403.203797] ? pvclock_read_flags+0x160/0x160 [ 403.208290] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.213823] ? check_preemption_disabled+0x48/0x280 [ 403.218844] ? __lock_is_held+0xb5/0x140 [ 403.222900] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.228432] ? check_preemption_disabled+0x48/0x280 [ 403.233446] run_timer_softirq+0x52/0xb0 [ 403.237510] ? rcu_read_lock_sched_held+0x14f/0x180 [ 403.242522] __do_softirq+0x308/0xb7e [ 403.246320] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 403.250826] ? lock_downgrade+0x900/0x900 [ 403.254978] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 403.260081] ? pvclock_read_flags+0x160/0x160 [ 403.264666] ? lapic_next_event+0x5a/0x90 [ 403.268826] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.274360] ? kvm_clock_read+0x18/0x30 [ 403.278326] ? kvm_sched_clock_read+0x9/0x20 [ 403.282728] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.288269] ? check_preemption_disabled+0x48/0x280 [ 403.293292] irq_exit+0x17f/0x1c0 [ 403.296738] smp_apic_timer_interrupt+0x1cb/0x760 [ 403.301573] ? smp_reschedule_interrupt+0x109/0x650 [ 403.306585] ? smp_call_function_single_interrupt+0x650/0x650 [ 403.312490] ? interrupt_entry+0xb5/0xc0 [ 403.316544] ? trace_hardirqs_off_caller+0xbb/0x310 [ 403.321565] ? trace_hardirqs_off_caller+0xbb/0x310 [ 403.326576] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 403.331413] ? trace_hardirqs_on_caller+0x310/0x310 [ 403.336426] ? trace_hardirqs_on_caller+0x310/0x310 [ 403.341454] ? task_prio+0x50/0x50 [ 403.344999] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.350530] ? check_preemption_disabled+0x48/0x280 [ 403.355573] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 403.360414] apic_timer_interrupt+0xf/0x20 [ 403.364647] [ 403.366881] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 403.371818] Code: 7e 0f 85 cf fe ff ff e8 f6 d7 3f ff e9 c5 fe ff ff e8 4d a2 c3 ff 48 83 3d a5 50 91 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 6a b1 [ 403.390720] RSP: 0000:ffff88019c63f740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 403.398428] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 403.405700] RDX: 0000000000000000 RSI: ffff8801929e68c0 RDI: 0000000000000286 [ 403.412961] RBP: ffff88019c63f7a8 R08: ffff8801929e6040 R09: 0000000000000000 [ 403.420224] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 403.427488] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020 [ 403.434783] skb_clone+0x1bb/0x500 [ 403.438317] ? finish_task_switch+0x2f4/0x910 [ 403.442807] ? skb_split+0x11e0/0x11e0 [ 403.446689] ? preempt_notifier_register+0x200/0x200 [ 403.451871] ? __switch_to_asm+0x34/0x70 [ 403.455927] ? __switch_to_asm+0x34/0x70 [ 403.459980] ? __switch_to_asm+0x40/0x70 [ 403.464047] ? __switch_to_asm+0x34/0x70 [ 403.468099] ? __switch_to_asm+0x40/0x70 [ 403.472152] ? __switch_to_asm+0x34/0x70 [ 403.476205] ? __switch_to_asm+0x40/0x70 [ 403.480263] ? __switch_to_asm+0x34/0x70 [ 403.484316] ? __switch_to_asm+0x34/0x70 [ 403.488367] ? __switch_to_asm+0x40/0x70 [ 403.492434] ? __switch_to_asm+0x34/0x70 [ 403.496506] bpf_clone_redirect+0xb9/0x490 [ 403.500731] ? __schedule+0x8d7/0x21d0 [ 403.504618] bpf_prog_bebbfe2050753572+0x325/0x1000 [ 403.510162] ? __sched_text_start+0x8/0x8 [ 403.514316] ? find_held_lock+0x36/0x1c0 [ 403.518396] ? lock_acquire+0x1ed/0x520 [ 403.522366] ? bpf_test_run+0x3cb/0x780 [ 403.526336] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.531864] ? check_preemption_disabled+0x48/0x280 [ 403.536899] ? kasan_check_read+0x11/0x20 [ 403.541043] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 403.546323] ? rcu_softirq_qs+0x20/0x20 [ 403.550289] ? preempt_schedule+0x4d/0x60 [ 403.554432] ? ___preempt_schedule+0x16/0x18 [ 403.558862] ? bpf_test_run+0x25d/0x780 [ 403.562839] ? netlink_diag_dump+0x2a0/0x2a0 [ 403.567330] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 403.572858] ? bpf_test_init.isra.10+0x70/0x100 [ 403.577526] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 403.582304] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 403.587140] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 403.592670] ? fput+0x130/0x1a0 [ 403.595953] ? __bpf_prog_get+0x9b/0x290 [ 403.600015] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 403.604853] ? bpf_prog_test_run+0x130/0x1a0 [ 403.609259] ? __x64_sys_bpf+0x3d8/0x520 [ 403.613318] ? bpf_prog_get+0x20/0x20 [ 403.617130] ? do_syscall_64+0x1b9/0x820 [ 403.621184] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 403.626542] ? syscall_return_slowpath+0x5e0/0x5e0 [ 403.631478] ? trace_hardirqs_on_caller+0x310/0x310 [ 403.636487] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 403.641498] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 403.648158] ? __switch_to_asm+0x40/0x70 [ 403.652215] ? __switch_to_asm+0x34/0x70 [ 403.656285] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 403.661123] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 403.666492] CPU: 1 PID: 5375 Comm: syz-fuzzer Not tainted 4.19.0+ #72 [ 403.666563] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 403.673065] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 403.673070] Call Trace: [ 403.673075] [ 403.673107] dump_stack+0x244/0x39d [ 403.673126] ? dump_stack_print_info.cold.1+0x20/0x20 [ 403.679900] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 403.689204] warn_alloc.cold.117+0xb7/0x1bd [ 403.691748] syz-executor0 cpuset= [ 403.693883] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 403.697483] syz0 [ 403.702659] ? lock_downgrade+0x900/0x900 [ 403.713111] mems_allowed=0 [ 403.717426] ? trace_hardirqs_off+0xb8/0x310 [ 403.739081] ? trace_hardirqs_off+0xb8/0x310 [ 403.743493] __alloc_pages_slowpath+0x2660/0x2d70 [ 403.748354] ? warn_alloc+0x120/0x120 [ 403.752148] ? warn_alloc+0x120/0x120 [ 403.755956] ? print_usage_bug+0xc0/0xc0 [ 403.760008] ? warn_alloc+0x120/0x120 [ 403.763799] ? print_usage_bug+0xc0/0xc0 [ 403.767862] ? __lock_acquire+0x62f/0x4c20 [ 403.772085] ? __lock_acquire+0x62f/0x4c20 [ 403.776334] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 403.781865] ? should_fail+0x22d/0xd01 [ 403.785749] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 403.791020] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 403.796118] ? __lock_acquire+0x62f/0x4c20 [ 403.800366] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 403.805474] ? __lock_acquire+0x62f/0x4c20 [ 403.809696] ? should_fail+0x22d/0xd01 [ 403.813575] ? rcu_irq_exit+0x1a2/0x390 [ 403.817548] ? mark_held_locks+0x130/0x130 [ 403.821775] ? mark_held_locks+0x130/0x130 [ 403.826005] ? mark_held_locks+0xc7/0x130 [ 403.830148] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 403.835170] ? zap_class+0x640/0x640 [ 403.838878] ? print_usage_bug+0xc0/0xc0 [ 403.842944] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.848478] ? check_preemption_disabled+0x48/0x280 [ 403.853526] ? __lock_is_held+0xb5/0x140 [ 403.857594] __alloc_pages_nodemask+0xa80/0xde0 [ 403.862256] ? zap_class+0x640/0x640 [ 403.865966] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 403.870990] ? find_held_lock+0x36/0x1c0 [ 403.875052] ? ____cache_alloc_node+0x1c7/0x1e0 [ 403.879710] ? lock_downgrade+0x900/0x900 [ 403.883857] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.889394] cache_grow_begin+0xa5/0x8c0 [ 403.893459] ? do_raw_spin_unlock+0xa7/0x330 [ 403.897869] fallback_alloc+0x204/0x2e0 [ 403.901844] ____cache_alloc_node+0x1c7/0x1e0 [ 403.906340] kmem_cache_alloc_node+0xe3/0x730 [ 403.910833] ? ipv6_get_ifaddr+0x42e/0x620 [ 403.915073] __alloc_skb+0x119/0x770 [ 403.918792] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 403.924096] ? netdev_alloc_frag+0x1f0/0x1f0 [ 403.928497] ? lock_downgrade+0x900/0x900 [ 403.932646] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.938180] ? refcount_sub_and_test_checked+0x203/0x310 [ 403.943631] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 403.949076] ? addrconf_rs_timer+0x690/0x690 [ 403.953490] ndisc_alloc_skb+0x144/0x340 [ 403.957550] ndisc_send_rs+0x331/0x6e0 [ 403.961439] addrconf_rs_timer+0x314/0x690 [ 403.965671] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 403.969907] call_timer_fn+0x272/0x920 [ 403.973788] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 403.978015] ? process_timeout+0x40/0x40 [ 403.982079] ? mark_held_locks+0xc7/0x130 [ 403.986221] ? _raw_spin_unlock_irq+0x27/0x80 [ 403.990712] ? _raw_spin_unlock_irq+0x27/0x80 [ 403.995197] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 403.999440] ? lockdep_hardirqs_on+0x296/0x5b0 [ 404.004015] ? trace_hardirqs_on+0xbd/0x310 [ 404.008328] ? kasan_check_read+0x11/0x20 [ 404.012469] ? __run_timers+0x7da/0xc70 [ 404.016440] ? trace_hardirqs_off_caller+0x310/0x310 [ 404.021557] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 404.025794] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 404.030025] __run_timers+0x7e5/0xc70 [ 404.033820] ? rcu_irq_exit+0x1a2/0x390 [ 404.037799] ? timer_fixup_init+0x70/0x70 [ 404.041949] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.047485] ? check_preemption_disabled+0x48/0x280 [ 404.052518] ? mark_held_locks+0xc7/0x130 [ 404.056665] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 404.061676] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 404.066434] ? retint_kernel+0x2d/0x2d [ 404.070328] ? trace_hardirqs_on_caller+0xc0/0x310 [ 404.075251] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 404.080005] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 404.085555] ? zap_class+0x640/0x640 [ 404.089273] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.094803] ? check_preemption_disabled+0x48/0x280 [ 404.099835] ? __lock_is_held+0xb5/0x140 [ 404.103888] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.109425] ? check_preemption_disabled+0x48/0x280 [ 404.114439] run_timer_softirq+0x52/0xb0 [ 404.118491] ? rcu_read_lock_sched_held+0x14f/0x180 [ 404.123497] __do_softirq+0x308/0xb7e [ 404.127293] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 404.131779] ? lock_downgrade+0x900/0x900 [ 404.135929] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 404.141143] ? pvclock_read_flags+0x160/0x160 [ 404.145638] ? lapic_next_event+0x5a/0x90 [ 404.149780] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.155317] ? kvm_clock_read+0x18/0x30 [ 404.159282] ? kvm_sched_clock_read+0x9/0x20 [ 404.163687] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.169218] ? check_preemption_disabled+0x48/0x280 [ 404.174245] irq_exit+0x17f/0x1c0 [ 404.177693] smp_apic_timer_interrupt+0x1cb/0x760 [ 404.182527] ? smp_reschedule_interrupt+0x109/0x650 [ 404.187539] ? smp_call_function_single_interrupt+0x650/0x650 [ 404.193423] ? interrupt_entry+0xb5/0xc0 [ 404.197480] ? trace_hardirqs_off_caller+0xbb/0x310 [ 404.202492] ? trace_hardirqs_off_caller+0xbb/0x310 [ 404.207504] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 404.212342] ? trace_hardirqs_on_caller+0x310/0x310 [ 404.217354] ? trace_hardirqs_on_caller+0x310/0x310 [ 404.222364] ? task_prio+0x50/0x50 [ 404.225911] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.231448] ? check_preemption_disabled+0x48/0x280 [ 404.236464] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 404.241312] apic_timer_interrupt+0xf/0x20 [ 404.245534] [ 404.247767] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 404.252959] Code: 00 e8 95 31 8e f9 e8 90 e2 bd f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d ea 90 8b 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d c0 90 [ 404.271849] RSP: 0000:ffff8801c4c0e140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 404.279566] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003afce19e [ 404.286825] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d7e70c7c [ 404.294085] RBP: ffff8801c4c0e168 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 404.301346] R10: 0000000000000000 R11: ffff8801d7e70400 R12: dffffc0000000000 [ 404.308617] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478 [ 404.315909] retint_kernel+0x1b/0x2d [ 404.319618] RIP: 0010:dump_stack+0x358/0x39d [ 404.324015] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 91 c1 00 fa 48 83 3d 99 b9 91 01 00 0f 84 63 fe ff ff e8 ee e6 bd f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db e6 bd f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 404.342910] RSP: 0000:ffff8801c4c0e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 404.350613] RAX: ffff8801d7e70400 RBX: 1ffffffff12a3e8e RCX: 1ffff1003afce19e [ 404.357905] RDX: 0000000000000000 RSI: ffffffff87c03ae2 RDI: 0000000000000293 [ 404.365179] RBP: ffff8801c4c0e2c8 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 404.372438] R10: 0000000000000000 R11: ffff8801d7e70400 R12: 1ffff10038981c4c [ 404.379698] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 404.386974] ? dump_stack+0x34f/0x39d [ 404.390786] ? dump_stack_print_info.cold.1+0x20/0x20 [ 404.395980] dump_header+0x27b/0xf72 [ 404.399699] ? mark_held_locks+0x130/0x130 [ 404.403926] ? pagefault_out_of_memory+0x197/0x197 [ 404.408855] ? __lock_acquire+0x62f/0x4c20 [ 404.413081] ? zap_class+0x640/0x640 [ 404.416808] ? percpu_ref_get_many+0x240/0x240 [ 404.421392] ? print_usage_bug+0xc0/0xc0 [ 404.425465] ? print_usage_bug+0xc0/0xc0 [ 404.429523] ? zap_class+0x640/0x640 [ 404.433234] ? print_usage_bug+0xc0/0xc0 [ 404.437289] ? print_usage_bug+0xc0/0xc0 [ 404.441347] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.446935] ? find_held_lock+0x36/0x1c0 [ 404.451001] ? mark_held_locks+0xc7/0x130 [ 404.455144] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 404.460241] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 404.465337] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 404.469935] ? trace_hardirqs_on+0xbd/0x310 [ 404.474247] ? kasan_check_read+0x11/0x20 [ 404.478393] ? ___ratelimit+0x3b4/0x672 [ 404.482359] ? trace_hardirqs_off_caller+0x310/0x310 [ 404.487471] ? trace_hardirqs_on+0x310/0x310 [ 404.491872] ? lock_downgrade+0x900/0x900 [ 404.496023] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 404.501118] ? ___ratelimit+0x3b9/0x672 [ 404.505103] ? idr_get_free+0xec0/0xec0 [ 404.509084] ? find_held_lock+0x36/0x1c0 [ 404.513157] oom_kill_process.cold.27+0x10/0x903 [ 404.517922] ? zap_class+0x640/0x640 [ 404.521663] ? check_preemption_disabled+0x48/0x280 [ 404.526674] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 404.531595] ? kasan_check_read+0x11/0x20 [ 404.535736] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 404.541008] ? oom_evaluate_task+0x540/0x540 [ 404.545501] ? find_held_lock+0x36/0x1c0 [ 404.549563] ? out_of_memory+0x974/0x1430 [ 404.553713] ? lock_downgrade+0x900/0x900 [ 404.557873] ? check_preemption_disabled+0x48/0x280 [ 404.562899] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 404.567821] ? kasan_check_read+0x11/0x20 [ 404.571965] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 404.577234] ? rcu_softirq_qs+0x20/0x20 [ 404.581218] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.586758] ? oom_evaluate_task+0x302/0x540 [ 404.591163] out_of_memory+0xa84/0x1430 [ 404.595141] ? oom_killer_disable+0x3a0/0x3a0 [ 404.599632] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 404.604556] ? __mutex_add_waiter+0x2a0/0x2a0 [ 404.609057] __alloc_pages_slowpath+0x22d4/0x2d70 [ 404.613925] ? warn_alloc+0x120/0x120 [ 404.617723] ? rcu_softirq_qs+0x20/0x20 [ 404.621715] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.627247] ? should_fail+0x22d/0xd01 [ 404.631135] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 404.636231] ? zap_class+0x640/0x640 [ 404.639973] ? __lock_is_held+0xb5/0x140 [ 404.644040] ? mark_held_locks+0x130/0x130 [ 404.648272] ? lock_release+0xa00/0xa00 [ 404.652247] ? perf_trace_sched_process_exec+0x860/0x860 [ 404.657710] ? __might_sleep+0x95/0x190 [ 404.661683] __alloc_pages_nodemask+0xa80/0xde0 [ 404.666358] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 404.671372] ? __page_cache_alloc+0x191/0x5c0 [ 404.675865] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 404.680787] ? kasan_check_read+0x11/0x20 [ 404.684930] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 404.690219] ? zap_class+0x640/0x640 [ 404.693931] ? zap_class+0x640/0x640 [ 404.697638] ? zap_class+0x640/0x640 [ 404.701345] ? __do_page_cache_readahead+0x7ce/0x980 [ 404.706451] ? find_held_lock+0x36/0x1c0 [ 404.710510] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 404.716049] alloc_pages_current+0x173/0x350 [ 404.720460] __page_cache_alloc+0x38c/0x5c0 [ 404.724776] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 404.729697] ? kasan_check_read+0x11/0x20 [ 404.733838] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 404.739116] ? generic_perform_write+0x6a0/0x6a0 [ 404.743869] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.749400] ? check_preemption_disabled+0x48/0x280 [ 404.754415] filemap_fault+0x1594/0x25f0 [ 404.758481] ? __lock_page_or_retry+0xa00/0xa00 [ 404.763144] ? mark_held_locks+0x130/0x130 [ 404.767373] ? rcu_softirq_qs+0x20/0x20 [ 404.771359] ? filemap_map_pages+0xe04/0x1990 [ 404.775864] ? __free_object+0x173/0x340 [ 404.779925] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 404.784848] ? trace_hardirqs_off_caller+0x310/0x310 [ 404.789947] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 404.794625] ? debug_object_free+0x32d/0x690 [ 404.799025] ? kasan_check_read+0x11/0x20 [ 404.803166] ? debug_object_destroy+0x2b0/0x2b0 [ 404.807829] ? lock_pi_update_atomic+0x150/0x150 [ 404.812589] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.818127] ? __hrtimer_init+0xdb/0x240 [ 404.822197] ? lock_acquire+0x1ed/0x520 [ 404.826165] ? ext4_filemap_fault+0x7a/0xad [ 404.830484] ? lock_release+0xa00/0xa00 [ 404.834471] ? perf_trace_sched_process_exec+0x860/0x860 [ 404.839925] ? print_usage_bug+0xc0/0xc0 [ 404.843979] ? print_usage_bug+0xc0/0xc0 [ 404.848044] ? down_read+0x8d/0x120 [ 404.851663] ? ext4_filemap_fault+0x7a/0xad [ 404.855975] ? __down_interruptible+0x700/0x700 [ 404.860642] ext4_filemap_fault+0x82/0xad [ 404.864782] __do_fault+0x100/0x6b0 [ 404.868417] ? pmd_devmap_trans_unstable+0x220/0x220 [ 404.873518] ? mark_held_locks+0x130/0x130 [ 404.877746] ? mark_held_locks+0x130/0x130 [ 404.881978] ? debug_smp_processor_id+0x1c/0x20 [ 404.886639] ? perf_trace_lock+0x14d/0x7a0 [ 404.890876] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.896414] __handle_mm_fault+0x307c/0x5920 [ 404.900826] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 404.905666] ? lock_is_held_type+0x210/0x210 [ 404.910104] ? zap_class+0x640/0x640 [ 404.913810] ? zap_class+0x640/0x640 [ 404.917517] ? __x64_sys_futex+0x53e/0x6a0 [ 404.921762] ? find_held_lock+0x36/0x1c0 [ 404.925823] ? handle_mm_fault+0x42a/0xc70 [ 404.930054] ? lock_downgrade+0x900/0x900 [ 404.934194] ? check_preemption_disabled+0x48/0x280 [ 404.939224] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 404.944143] ? kasan_check_read+0x11/0x20 [ 404.948294] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 404.953566] ? rcu_softirq_qs+0x20/0x20 [ 404.957544] ? trace_hardirqs_off_caller+0x310/0x310 [ 404.962733] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.968264] ? check_preemption_disabled+0x48/0x280 [ 404.973278] handle_mm_fault+0x54f/0xc70 [ 404.977357] ? __handle_mm_fault+0x5920/0x5920 [ 404.981949] ? find_vma+0x34/0x190 [ 404.985483] __do_page_fault+0x5e8/0xe60 [ 404.989533] ? trace_hardirqs_off+0xb8/0x310 [ 404.993932] ? __ia32_sys_read+0xb0/0xb0 [ 404.997995] do_page_fault+0xf2/0x7e0 [ 405.001786] ? vmalloc_sync_all+0x30/0x30 [ 405.005954] ? error_entry+0x70/0xd0 [ 405.009658] ? trace_hardirqs_off_caller+0xbb/0x310 [ 405.014664] ? trace_hardirqs_on_caller+0xc0/0x310 [ 405.019582] ? syscall_return_slowpath+0x5e0/0x5e0 [ 405.024529] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 405.029363] ? trace_hardirqs_on_caller+0x310/0x310 [ 405.034369] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 405.039813] ? prepare_exit_to_usermode+0x291/0x3b0 [ 405.044842] ? page_fault+0x8/0x30 [ 405.048375] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 405.053214] ? page_fault+0x8/0x30 [ 405.056749] page_fault+0x1e/0x30 [ 405.060191] RIP: 0033:0x45ddf3 [ 405.063410] Code: Bad RIP value. [ 405.066777] RSP: 002b:000000c4200206a0 EFLAGS: 00010206 [ 405.072128] RAX: ffffffffffffff92 RBX: 000000003b974269 RCX: 000000000045ddf3 [ 405.079386] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e1060 [ 405.086648] RBP: 000000c4200206e8 R08: 0000000000000000 R09: 0000000000000000 [ 405.093907] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001 [ 405.101169] R13: 0000000000000007 R14: 0000000000b7f720 R15: 000000000000bdf9 [ 405.108461] warn_alloc_show_mem: 1 callbacks suppressed [ 405.108470] CPU: 0 PID: 17787 Comm: syz-executor0 Not tainted 4.19.0+ #72 [ 405.108471] Mem-Info: [ 405.108500] active_anon:46452 inactive_anon:2315 isolated_anon:0 [ 405.108500] active_file:13 inactive_file:13 isolated_file:0 [ 405.108500] unevictable:0 dirty:0 writeback:0 unstable:0 [ 405.108500] slab_reclaimable:9341 slab_unreclaimable:1470635 [ 405.108500] mapped:24578 shmem:7010 pagetables:528 bounce:0 [ 405.108500] free:13753 free_pcp:603 free_cma:0 [ 405.113827] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 405.113835] Call Trace: [ 405.120757] Node 0 active_anon:185808kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:28040kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 405.123141] [ 405.156166] Node 0 [ 405.165506] dump_stack+0x244/0x39d [ 405.168099] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 405.195650] ? dump_stack_print_info.cold.1+0x20/0x20 [ 405.197768] lowmem_reserve[]: [ 405.199996] warn_alloc.cold.117+0xb7/0x1bd [ 405.203582] 0 2818 [ 405.229162] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 405.234327] 6321 [ 405.237418] ? lock_downgrade+0x900/0x900 [ 405.241703] 6321 [ 405.243936] ? trace_hardirqs_off+0xb8/0x310 [ 405.248744] Node 0 [ 405.250796] ? trace_hardirqs_off+0xb8/0x310 [ 405.254932] DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 405.256967] __alloc_pages_slowpath+0x2660/0x2d70 [ 405.261338] lowmem_reserve[]: [ 405.263587] ? warn_alloc+0x120/0x120 [ 405.267937] 0 0 [ 405.295034] ? warn_alloc+0x120/0x120 [ 405.299843] 3503 3503 [ 405.302939] ? print_usage_bug+0xc0/0xc0 [ 405.306721] Node 0 [ 405.308680] ? warn_alloc+0x120/0x120 [ 405.312474] Normal free:13924kB min:37364kB low:46704kB high:56044kB active_anon:183760kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5536kB pagetables:2112kB bounce:0kB free_pcp:2164kB local_pcp:1336kB free_cma:0kB [ 405.314936] ? print_usage_bug+0xc0/0xc0 [ 405.318978] lowmem_reserve[]: [ 405.321204] ? __lock_acquire+0x62f/0x4c20 [ 405.324971] 0 0 [ 405.353498] ? __lock_acquire+0x62f/0x4c20 [ 405.357538] 0 0 [ 405.360641] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 405.364843] Node 0 [ 405.366833] ? should_fail+0x22d/0xd01 [ 405.371029] DMA: 1*4kB [ 405.373001] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 405.378509] (U) [ 405.380731] ? __lock_acquire+0x62f/0x4c20 [ 405.384584] 0*8kB 0*16kB [ 405.387160] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 405.392231] 1*32kB [ 405.394208] ? __lock_acquire+0x62f/0x4c20 [ 405.398413] (U) [ 405.401171] ? should_fail+0x22d/0xd01 [ 405.406256] 2*64kB (U) [ 405.408510] ? find_held_lock+0x36/0x1c0 [ 405.412716] 1*128kB [ 405.414681] ? mark_held_locks+0x130/0x130 [ 405.418527] (U) 1*256kB [ 405.421105] ? mark_held_locks+0x130/0x130 [ 405.425132] (U) [ 405.427442] ? zap_class+0x640/0x640 [ 405.431646] 0*512kB [ 405.434313] ? zap_class+0x640/0x640 [ 405.438517] 1*1024kB [ 405.440481] ? print_usage_bug+0xc0/0xc0 [ 405.444167] (U) [ 405.446475] ? do_raw_spin_unlock+0xa7/0x330 [ 405.450156] 1*2048kB (M) [ 405.452561] ? zap_class+0x640/0x640 [ 405.456587] 3*4096kB (M) [ 405.458575] ? print_usage_bug+0xc0/0xc0 [ 405.462947] = 15908kB [ 405.462954] Node 0 [ 405.465697] ? wq_watchdog_touch+0x9c/0xfe [ 405.469376] DMA32: 5*4kB [ 405.472144] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.476174] (UM) [ 405.478571] ? check_preemption_disabled+0x48/0x280 [ 405.480802] 1*8kB (H) [ 405.485033] ? __lock_is_held+0xb5/0x140 [ 405.487766] 2*16kB (M) [ 405.493308] __alloc_pages_nodemask+0xa80/0xde0 [ 405.495341] 3*32kB [ 405.500339] ? zap_class+0x640/0x640 [ 405.502809] (M) [ 405.506857] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 405.509721] 3*64kB (MH) [ 405.514403] ? find_held_lock+0x36/0x1c0 [ 405.516605] 4*128kB [ 405.520318] ? ____cache_alloc_node+0x1c7/0x1e0 [ 405.522262] (M) [ 405.527273] ? lock_downgrade+0x900/0x900 [ 405.529915] 5*256kB (UMH) [ 405.533987] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.536289] 5*512kB [ 405.540947] cache_grow_begin+0xa5/0x8c0 [ 405.542890] (UMH) [ 405.547018] ? do_raw_spin_unlock+0xa7/0x330 [ 405.549832] 4*1024kB (UMH) [ 405.555364] fallback_alloc+0x204/0x2e0 [ 405.557650] 2*2048kB (UM) [ 405.561702] ____cache_alloc_node+0x1c7/0x1e0 [ 405.563816] 3*4096kB (M) [ 405.568216] kmem_cache_alloc_node+0xe3/0x730 [ 405.571201] = 25180kB [ 405.571208] Node 0 [ 405.575170] ? ipv6_get_ifaddr+0x42e/0x620 [ 405.577978] Normal: 1917*4kB [ 405.582474] __alloc_skb+0x119/0x770 [ 405.585189] (UME) 392*8kB [ 405.589678] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 405.592052] (UME) 105*16kB [ 405.594295] ? netdev_alloc_frag+0x1f0/0x1f0 [ 405.598490] (UME) 43*32kB [ 405.601586] ? lock_downgrade+0x900/0x900 [ 405.605272] (UM) [ 405.608115] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.613361] 1*64kB (U) [ 405.616301] ? refcount_sub_and_test_checked+0x203/0x310 [ 405.620667] 0*128kB 0*256kB [ 405.623504] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 405.627615] 0*512kB 0*1024kB [ 405.629672] ? addrconf_rs_timer+0x690/0x690 [ 405.635177] 0*2048kB [ 405.637753] ndisc_alloc_skb+0x144/0x340 [ 405.643165] 0*4096kB [ 405.646167] ndisc_send_rs+0x331/0x6e0 [ 405.651581] = 13924kB [ 405.651594] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 405.654683] addrconf_rs_timer+0x314/0x690 [ 405.659064] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 405.661453] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 405.665481] 7036 total pagecache pages [ 405.667970] call_timer_fn+0x272/0x920 [ 405.671832] 0 pages in swap cache [ 405.674223] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 405.683571] Swap cache stats: add 0, delete 0, find 0/0 [ 405.687798] ? process_timeout+0x40/0x40 [ 405.696353] Free swap = 0kB [ 405.700578] ? __run_timers+0x7da/0xc70 [ 405.704426] Total swap = 0kB [ 405.708310] ? _raw_spin_unlock_irq+0x27/0x80 [ 405.711729] 1965979 pages RAM [ 405.715944] ? _raw_spin_unlock_irq+0x27/0x80 [ 405.721274] 0 pages HighMem/MovableOnly [ 405.721284] 342867 pages reserved [ 405.725330] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 405.728318] 0 pages cma reserved [ 405.732286] ? lockdep_hardirqs_on+0x296/0x5b0 [ 405.735352] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 405.739754] ? trace_hardirqs_on+0xbd/0x310 [ 405.742911] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 405.747316] ? kasan_check_read+0x11/0x20 [ 405.751286] syz-fuzzer cpuset= [ 405.754723] ? __run_timers+0x7da/0xc70 [ 405.758927] / [ 405.762319] ? trace_hardirqs_off_caller+0x310/0x310 [ 405.766884] mems_allowed=0 [ 405.773358] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 405.813021] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 405.817248] __run_timers+0x7e5/0xc70 [ 405.821073] ? timer_fixup_init+0x70/0x70 [ 405.825221] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 405.830231] ? zap_class+0x640/0x640 [ 405.833956] ? enqueue_hrtimer+0x1a5/0x560 [ 405.838196] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 405.843385] ? find_held_lock+0x36/0x1c0 [ 405.847444] ? zap_class+0x640/0x640 [ 405.851162] ? pvclock_read_flags+0x160/0x160 [ 405.855649] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.861182] ? check_preemption_disabled+0x48/0x280 [ 405.866196] ? __lock_is_held+0xb5/0x140 [ 405.870288] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.875816] ? check_preemption_disabled+0x48/0x280 [ 405.880830] run_timer_softirq+0x52/0xb0 [ 405.884879] ? rcu_read_lock_sched_held+0x14f/0x180 [ 405.889887] __do_softirq+0x308/0xb7e [ 405.893703] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 405.898189] ? lock_downgrade+0x900/0x900 [ 405.902336] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 405.907434] ? pvclock_read_flags+0x160/0x160 [ 405.911919] ? lapic_next_event+0x5a/0x90 [ 405.916064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.921596] ? kvm_clock_read+0x18/0x30 [ 405.925569] ? kvm_sched_clock_read+0x9/0x20 [ 405.929973] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.935503] ? check_preemption_disabled+0x48/0x280 [ 405.940522] irq_exit+0x17f/0x1c0 [ 405.943970] smp_apic_timer_interrupt+0x1cb/0x760 [ 405.948804] ? smp_reschedule_interrupt+0x109/0x650 [ 405.953816] ? smp_call_function_single_interrupt+0x650/0x650 [ 405.959691] ? interrupt_entry+0xb5/0xc0 [ 405.963743] ? trace_hardirqs_off_caller+0xbb/0x310 [ 405.968764] ? trace_hardirqs_off_caller+0xbb/0x310 [ 405.973771] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 405.978606] ? trace_hardirqs_on_caller+0x310/0x310 [ 405.983612] ? trace_hardirqs_on_caller+0x310/0x310 [ 405.988617] ? task_prio+0x50/0x50 [ 405.992148] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.997678] ? check_preemption_disabled+0x48/0x280 [ 406.002714] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 406.007555] apic_timer_interrupt+0xf/0x20 [ 406.011863] [ 406.014092] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 406.019013] Code: 7e 0f 85 cf fe ff ff e8 f6 d7 3f ff e9 c5 fe ff ff e8 4d a2 c3 ff 48 83 3d a5 50 91 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 6a b1 [ 406.037912] RSP: 0000:ffff88019c63f740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 406.045611] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 406.052883] RDX: 0000000000000000 RSI: ffff8801929e68c0 RDI: 0000000000000286 [ 406.060148] RBP: ffff88019c63f7a8 R08: ffff8801929e6040 R09: 0000000000000000 [ 406.067410] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 406.074679] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020 [ 406.081969] skb_clone+0x1bb/0x500 [ 406.085500] ? finish_task_switch+0x2f4/0x910 [ 406.089990] ? skb_split+0x11e0/0x11e0 [ 406.093886] ? preempt_notifier_register+0x200/0x200 [ 406.098984] ? __switch_to_asm+0x34/0x70 [ 406.103035] ? __switch_to_asm+0x34/0x70 [ 406.107090] ? __switch_to_asm+0x40/0x70 [ 406.111143] ? __switch_to_asm+0x34/0x70 [ 406.115191] ? __switch_to_asm+0x40/0x70 [ 406.119269] ? __switch_to_asm+0x34/0x70 [ 406.123324] ? __switch_to_asm+0x40/0x70 [ 406.127379] ? __switch_to_asm+0x34/0x70 [ 406.131434] ? __switch_to_asm+0x34/0x70 [ 406.135489] ? __switch_to_asm+0x40/0x70 [ 406.139544] ? __switch_to_asm+0x34/0x70 [ 406.143604] bpf_clone_redirect+0xb9/0x490 [ 406.147831] ? __schedule+0x8d7/0x21d0 [ 406.151715] bpf_prog_bebbfe2050753572+0x325/0x1000 [ 406.156725] ? __sched_text_start+0x8/0x8 [ 406.160899] ? find_held_lock+0x36/0x1c0 [ 406.164959] ? lock_acquire+0x1ed/0x520 [ 406.168941] ? bpf_test_run+0x3cb/0x780 [ 406.172909] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.178441] ? check_preemption_disabled+0x48/0x280 [ 406.183454] ? kasan_check_read+0x11/0x20 [ 406.187601] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 406.192870] ? rcu_softirq_qs+0x20/0x20 [ 406.196836] ? preempt_schedule+0x4d/0x60 [ 406.200974] ? ___preempt_schedule+0x16/0x18 [ 406.205381] ? bpf_test_run+0x25d/0x780 [ 406.209354] ? netlink_diag_dump+0x2a0/0x2a0 [ 406.213755] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 406.219307] ? bpf_test_init.isra.10+0x70/0x100 [ 406.223973] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 406.228727] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 406.233574] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 406.239099] ? fput+0x130/0x1a0 [ 406.242373] ? __bpf_prog_get+0x9b/0x290 [ 406.246431] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 406.251265] ? bpf_prog_test_run+0x130/0x1a0 [ 406.255666] ? __x64_sys_bpf+0x3d8/0x520 [ 406.259721] ? bpf_prog_get+0x20/0x20 [ 406.263529] ? do_syscall_64+0x1b9/0x820 [ 406.267583] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 406.272943] ? syscall_return_slowpath+0x5e0/0x5e0 [ 406.277870] ? trace_hardirqs_on_caller+0x310/0x310 [ 406.282880] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 406.287890] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 406.294555] ? __switch_to_asm+0x40/0x70 [ 406.298610] ? __switch_to_asm+0x34/0x70 [ 406.302671] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 406.307513] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 406.312891] CPU: 1 PID: 5375 Comm: syz-fuzzer Not tainted 4.19.0+ #72 [ 406.312950] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 406.319460] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 406.319467] Call Trace: [ 406.326026] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 406.335291] [ 406.337851] syz-executor0 cpuset= [ 406.348322] dump_stack+0x244/0x39d [ 406.350441] syz0 [ 406.353879] ? dump_stack_print_info.cold.1+0x20/0x20 [ 406.357477] mems_allowed=0 [ 406.359460] warn_alloc.cold.117+0xb7/0x1bd [ 406.371839] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 406.376678] ? lock_downgrade+0x900/0x900 [ 406.380831] ? trace_hardirqs_off+0xb8/0x310 [ 406.385244] ? trace_hardirqs_off+0xb8/0x310 [ 406.389662] __alloc_pages_slowpath+0x2660/0x2d70 [ 406.394541] ? warn_alloc+0x120/0x120 [ 406.398342] ? warn_alloc+0x120/0x120 [ 406.402139] ? print_usage_bug+0xc0/0xc0 [ 406.406194] ? warn_alloc+0x120/0x120 [ 406.409996] ? print_usage_bug+0xc0/0xc0 [ 406.414053] ? __lock_acquire+0x62f/0x4c20 [ 406.418284] ? __lock_acquire+0x62f/0x4c20 [ 406.422516] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 406.428049] ? should_fail+0x22d/0xd01 [ 406.431927] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 406.437198] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 406.442302] ? __lock_acquire+0x62f/0x4c20 [ 406.446534] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 406.451627] ? __lock_acquire+0x62f/0x4c20 [ 406.455870] ? should_fail+0x22d/0xd01 [ 406.459748] ? rcu_irq_exit+0x1a2/0x390 [ 406.463727] ? mark_held_locks+0x130/0x130 [ 406.467960] ? mark_held_locks+0x130/0x130 [ 406.472196] ? mark_held_locks+0xc7/0x130 [ 406.476345] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 406.481354] ? zap_class+0x640/0x640 [ 406.485061] ? print_usage_bug+0xc0/0xc0 [ 406.489118] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.494649] ? check_preemption_disabled+0x48/0x280 [ 406.499678] ? __lock_is_held+0xb5/0x140 [ 406.503740] __alloc_pages_nodemask+0xa80/0xde0 [ 406.508403] ? zap_class+0x640/0x640 [ 406.512121] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 406.517141] ? find_held_lock+0x36/0x1c0 [ 406.521214] ? ____cache_alloc_node+0x1c7/0x1e0 [ 406.525878] ? lock_downgrade+0x900/0x900 [ 406.530024] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.535560] cache_grow_begin+0xa5/0x8c0 [ 406.539623] ? do_raw_spin_unlock+0xa7/0x330 [ 406.544036] fallback_alloc+0x204/0x2e0 [ 406.548013] ____cache_alloc_node+0x1c7/0x1e0 [ 406.552509] kmem_cache_alloc_node+0xe3/0x730 [ 406.557001] ? ipv6_get_ifaddr+0x42e/0x620 [ 406.561248] __alloc_skb+0x119/0x770 [ 406.564956] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 406.570241] ? netdev_alloc_frag+0x1f0/0x1f0 [ 406.574641] ? lock_downgrade+0x900/0x900 [ 406.578790] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.584323] ? refcount_sub_and_test_checked+0x203/0x310 [ 406.589773] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 406.595222] ? addrconf_rs_timer+0x690/0x690 [ 406.599634] ndisc_alloc_skb+0x144/0x340 [ 406.603691] ndisc_send_rs+0x331/0x6e0 [ 406.607580] addrconf_rs_timer+0x314/0x690 [ 406.611809] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 406.616045] call_timer_fn+0x272/0x920 [ 406.619928] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 406.624155] ? process_timeout+0x40/0x40 [ 406.628238] ? mark_held_locks+0xc7/0x130 [ 406.632381] ? _raw_spin_unlock_irq+0x27/0x80 [ 406.636880] ? _raw_spin_unlock_irq+0x27/0x80 [ 406.641368] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 406.645594] ? lockdep_hardirqs_on+0x296/0x5b0 [ 406.650170] ? trace_hardirqs_on+0xbd/0x310 [ 406.654492] ? kasan_check_read+0x11/0x20 [ 406.658642] ? __run_timers+0x7da/0xc70 [ 406.662612] ? trace_hardirqs_off_caller+0x310/0x310 [ 406.667718] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 406.671951] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 406.676182] __run_timers+0x7e5/0xc70 [ 406.679980] ? rcu_irq_exit+0x1a2/0x390 [ 406.683969] ? timer_fixup_init+0x70/0x70 [ 406.688130] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.693670] ? check_preemption_disabled+0x48/0x280 [ 406.698682] ? mark_held_locks+0xc7/0x130 [ 406.702819] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 406.707826] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 406.712580] ? retint_kernel+0x2d/0x2d [ 406.716459] ? trace_hardirqs_on_caller+0xc0/0x310 [ 406.721383] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 406.726128] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 406.731576] ? zap_class+0x640/0x640 [ 406.735306] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.740839] ? check_preemption_disabled+0x48/0x280 [ 406.745856] ? __lock_is_held+0xb5/0x140 [ 406.749910] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.755434] ? check_preemption_disabled+0x48/0x280 [ 406.760443] run_timer_softirq+0x52/0xb0 [ 406.764497] ? rcu_read_lock_sched_held+0x14f/0x180 [ 406.769508] __do_softirq+0x308/0xb7e [ 406.773305] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 406.777791] ? lock_downgrade+0x900/0x900 [ 406.781947] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 406.787078] ? pvclock_read_flags+0x160/0x160 [ 406.791565] ? lapic_next_event+0x5a/0x90 [ 406.795709] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.801244] ? kvm_clock_read+0x18/0x30 [ 406.805225] ? kvm_sched_clock_read+0x9/0x20 [ 406.809632] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.815166] ? check_preemption_disabled+0x48/0x280 [ 406.820194] irq_exit+0x17f/0x1c0 [ 406.823645] smp_apic_timer_interrupt+0x1cb/0x760 [ 406.828477] ? smp_reschedule_interrupt+0x109/0x650 [ 406.833484] ? smp_call_function_single_interrupt+0x650/0x650 [ 406.839361] ? interrupt_entry+0xb5/0xc0 [ 406.843424] ? trace_hardirqs_off_caller+0xbb/0x310 [ 406.848430] ? trace_hardirqs_off_caller+0xbb/0x310 [ 406.853440] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 406.858273] ? trace_hardirqs_on_caller+0x310/0x310 [ 406.863279] ? trace_hardirqs_on_caller+0x310/0x310 [ 406.868292] ? task_prio+0x50/0x50 [ 406.871826] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 406.877355] ? check_preemption_disabled+0x48/0x280 [ 406.882369] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 406.887221] apic_timer_interrupt+0xf/0x20 [ 406.891445] [ 406.893676] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 406.898866] Code: 00 e8 95 31 8e f9 e8 90 e2 bd f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d ea 90 8b 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d c0 90 [ 406.917763] RSP: 0000:ffff8801c4c0e140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 406.925466] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003afce19e [ 406.932729] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d7e70c7c [ 406.939991] RBP: ffff8801c4c0e168 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 406.947252] R10: 0000000000000000 R11: ffff8801d7e70400 R12: dffffc0000000000 [ 406.954515] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478 [ 406.961799] retint_kernel+0x1b/0x2d [ 406.965506] RIP: 0010:dump_stack+0x358/0x39d [ 406.969904] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 91 c1 00 fa 48 83 3d 99 b9 91 01 00 0f 84 63 fe ff ff e8 ee e6 bd f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db e6 bd f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 406.988792] RSP: 0000:ffff8801c4c0e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 406.996504] RAX: ffff8801d7e70400 RBX: 1ffffffff12a3e8e RCX: 1ffff1003afce19e [ 407.003764] RDX: 0000000000000000 RSI: ffffffff87c03ae2 RDI: 0000000000000293 [ 407.011024] RBP: ffff8801c4c0e2c8 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 407.018288] R10: 0000000000000000 R11: ffff8801d7e70400 R12: 1ffff10038981c4c [ 407.025551] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 407.032823] ? dump_stack+0x34f/0x39d [ 407.036630] ? dump_stack_print_info.cold.1+0x20/0x20 [ 407.041842] dump_header+0x27b/0xf72 [ 407.045563] ? mark_held_locks+0x130/0x130 [ 407.049795] ? pagefault_out_of_memory+0x197/0x197 [ 407.054718] ? __lock_acquire+0x62f/0x4c20 [ 407.058942] ? zap_class+0x640/0x640 [ 407.062648] ? percpu_ref_get_many+0x240/0x240 [ 407.067227] ? print_usage_bug+0xc0/0xc0 [ 407.071292] ? print_usage_bug+0xc0/0xc0 [ 407.075366] ? zap_class+0x640/0x640 [ 407.079077] ? print_usage_bug+0xc0/0xc0 [ 407.083131] ? print_usage_bug+0xc0/0xc0 [ 407.087194] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.092730] ? find_held_lock+0x36/0x1c0 [ 407.096807] ? mark_held_locks+0xc7/0x130 [ 407.100950] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 407.106043] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 407.111139] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 407.115723] ? trace_hardirqs_on+0xbd/0x310 [ 407.120035] ? kasan_check_read+0x11/0x20 [ 407.124188] ? ___ratelimit+0x3b4/0x672 [ 407.128153] ? trace_hardirqs_off_caller+0x310/0x310 [ 407.133255] ? trace_hardirqs_on+0x310/0x310 [ 407.137656] ? lock_downgrade+0x900/0x900 [ 407.141810] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 407.146907] ? ___ratelimit+0x3b9/0x672 [ 407.150872] ? idr_get_free+0xec0/0xec0 [ 407.154837] ? find_held_lock+0x36/0x1c0 [ 407.158919] oom_kill_process.cold.27+0x10/0x903 [ 407.163697] ? zap_class+0x640/0x640 [ 407.167405] ? check_preemption_disabled+0x48/0x280 [ 407.172420] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 407.177346] ? kasan_check_read+0x11/0x20 [ 407.181488] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 407.186756] ? oom_evaluate_task+0x540/0x540 [ 407.191163] ? find_held_lock+0x36/0x1c0 [ 407.195238] ? out_of_memory+0x974/0x1430 [ 407.199380] ? lock_downgrade+0x900/0x900 [ 407.203522] ? check_preemption_disabled+0x48/0x280 [ 407.208536] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 407.213459] ? kasan_check_read+0x11/0x20 [ 407.217598] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 407.222865] ? rcu_softirq_qs+0x20/0x20 [ 407.226836] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 407.232365] ? oom_evaluate_task+0x302/0x540 [ 407.236858] out_of_memory+0xa84/0x1430 [ 407.240832] ? oom_killer_disable+0x3a0/0x3a0 [ 407.245322] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 407.250246] ? __mutex_add_waiter+0x2a0/0x2a0 [ 407.254746] __alloc_pages_slowpath+0x22d4/0x2d70 [ 407.259610] ? warn_alloc+0x120/0x120 [ 407.263402] ? rcu_softirq_qs+0x20/0x20 [ 407.267411] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 407.272942] ? should_fail+0x22d/0xd01 [ 407.276827] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 407.281926] ? zap_class+0x640/0x640 [ 407.285679] ? __lock_is_held+0xb5/0x140 [ 407.289744] ? mark_held_locks+0x130/0x130 [ 407.293995] ? lock_release+0xa00/0xa00 [ 407.297965] ? perf_trace_sched_process_exec+0x860/0x860 [ 407.303420] ? __might_sleep+0x95/0x190 [ 407.307393] __alloc_pages_nodemask+0xa80/0xde0 [ 407.312060] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 407.317071] ? __page_cache_alloc+0x191/0x5c0 [ 407.321574] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 407.326496] ? kasan_check_read+0x11/0x20 [ 407.330641] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 407.335918] ? zap_class+0x640/0x640 [ 407.339635] ? zap_class+0x640/0x640 [ 407.343348] ? zap_class+0x640/0x640 [ 407.347061] ? __do_page_cache_readahead+0x7ce/0x980 [ 407.352168] ? find_held_lock+0x36/0x1c0 [ 407.356235] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 407.361775] alloc_pages_current+0x173/0x350 [ 407.366182] __page_cache_alloc+0x38c/0x5c0 [ 407.370495] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 407.375415] ? kasan_check_read+0x11/0x20 [ 407.379557] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 407.384828] ? generic_perform_write+0x6a0/0x6a0 [ 407.389576] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 407.395108] ? check_preemption_disabled+0x48/0x280 [ 407.400129] filemap_fault+0x1594/0x25f0 [ 407.404201] ? __lock_page_or_retry+0xa00/0xa00 [ 407.408865] ? mark_held_locks+0x130/0x130 [ 407.413098] ? rcu_softirq_qs+0x20/0x20 [ 407.417082] ? filemap_map_pages+0xe04/0x1990 [ 407.421582] ? __free_object+0x173/0x340 [ 407.425648] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 407.430572] ? trace_hardirqs_off_caller+0x310/0x310 [ 407.435668] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 407.440344] ? debug_object_free+0x32d/0x690 [ 407.444743] ? kasan_check_read+0x11/0x20 [ 407.448885] ? debug_object_destroy+0x2b0/0x2b0 [ 407.453549] ? lock_pi_update_atomic+0x150/0x150 [ 407.458300] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.463828] ? __hrtimer_init+0xdb/0x240 [ 407.467912] ? lock_acquire+0x1ed/0x520 [ 407.471878] ? ext4_filemap_fault+0x7a/0xad [ 407.476249] ? lock_release+0xa00/0xa00 [ 407.480213] ? perf_trace_sched_process_exec+0x860/0x860 [ 407.485663] ? print_usage_bug+0xc0/0xc0 [ 407.489722] ? print_usage_bug+0xc0/0xc0 [ 407.493789] ? down_read+0x8d/0x120 [ 407.497405] ? ext4_filemap_fault+0x7a/0xad [ 407.501738] ? __down_interruptible+0x700/0x700 [ 407.506423] ext4_filemap_fault+0x82/0xad [ 407.510896] __do_fault+0x100/0x6b0 [ 407.514535] ? pmd_devmap_trans_unstable+0x220/0x220 [ 407.519639] ? mark_held_locks+0x130/0x130 [ 407.523882] ? mark_held_locks+0x130/0x130 [ 407.528121] ? debug_smp_processor_id+0x1c/0x20 [ 407.532792] ? perf_trace_lock+0x14d/0x7a0 [ 407.537026] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 407.542570] __handle_mm_fault+0x307c/0x5920 [ 407.546980] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 407.551814] ? lock_is_held_type+0x210/0x210 [ 407.556233] ? zap_class+0x640/0x640 [ 407.559939] ? zap_class+0x640/0x640 [ 407.563648] ? __x64_sys_futex+0x53e/0x6a0 [ 407.567878] ? find_held_lock+0x36/0x1c0 [ 407.571958] ? handle_mm_fault+0x42a/0xc70 [ 407.576191] ? lock_downgrade+0x900/0x900 [ 407.580333] ? check_preemption_disabled+0x48/0x280 [ 407.585351] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 407.590284] ? kasan_check_read+0x11/0x20 [ 407.594455] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 407.599730] ? rcu_softirq_qs+0x20/0x20 [ 407.603696] ? trace_hardirqs_off_caller+0x310/0x310 [ 407.608801] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 407.614333] ? check_preemption_disabled+0x48/0x280 [ 407.619348] handle_mm_fault+0x54f/0xc70 [ 407.623408] ? __handle_mm_fault+0x5920/0x5920 [ 407.627988] ? find_vma+0x34/0x190 [ 407.631527] __do_page_fault+0x5e8/0xe60 [ 407.635578] ? trace_hardirqs_off+0xb8/0x310 [ 407.639982] ? __ia32_sys_read+0xb0/0xb0 [ 407.644046] do_page_fault+0xf2/0x7e0 [ 407.647840] ? vmalloc_sync_all+0x30/0x30 [ 407.651983] ? error_entry+0x70/0xd0 [ 407.655692] ? trace_hardirqs_off_caller+0xbb/0x310 [ 407.660698] ? trace_hardirqs_on_caller+0xc0/0x310 [ 407.665627] ? syscall_return_slowpath+0x5e0/0x5e0 [ 407.670551] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 407.675391] ? trace_hardirqs_on_caller+0x310/0x310 [ 407.680919] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 407.686370] ? prepare_exit_to_usermode+0x291/0x3b0 [ 407.691381] ? page_fault+0x8/0x30 [ 407.694919] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 407.699772] ? page_fault+0x8/0x30 [ 407.703305] page_fault+0x1e/0x30 [ 407.706754] RIP: 0033:0x45ddf3 [ 407.709952] Code: Bad RIP value. [ 407.713304] RSP: 002b:000000c4200206a0 EFLAGS: 00010206 [ 407.718677] RAX: ffffffffffffff92 RBX: 000000003b974269 RCX: 000000000045ddf3 [ 407.725949] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e1060 [ 407.733209] RBP: 000000c4200206e8 R08: 0000000000000000 R09: 0000000000000000 [ 407.740473] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001 [ 407.747740] R13: 0000000000000007 R14: 0000000000b7f720 R15: 000000000000bdf9 [ 407.755036] warn_alloc_show_mem: 1 callbacks suppressed [ 407.755045] CPU: 0 PID: 17787 Comm: syz-executor0 Not tainted 4.19.0+ #72 [ 407.755046] Mem-Info: [ 407.755077] active_anon:46452 inactive_anon:2315 isolated_anon:0 [ 407.755077] active_file:13 inactive_file:13 isolated_file:0 [ 407.755077] unevictable:0 dirty:0 writeback:0 unstable:0 [ 407.755077] slab_reclaimable:9341 slab_unreclaimable:1470635 [ 407.755077] mapped:24578 shmem:7010 pagetables:528 bounce:0 [ 407.755077] free:13753 free_pcp:603 free_cma:0 [ 407.760406] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 407.760413] Call Trace: [ 407.767334] Node 0 active_anon:185808kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:28040kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 407.769722] [ 407.802751] Node 0 [ 407.812092] dump_stack+0x244/0x39d [ 407.814677] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 407.842228] ? dump_stack_print_info.cold.1+0x20/0x20 [ 407.844342] lowmem_reserve[]: 0 [ 407.846581] warn_alloc.cold.117+0xb7/0x1bd [ 407.850171] 2818 [ 407.875659] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 407.880817] 6321 [ 407.884082] ? lock_downgrade+0x900/0x900 [ 407.888371] 6321 [ 407.890432] ? trace_hardirqs_off+0xb8/0x310 [ 407.895242] Node 0 [ 407.897292] ? trace_hardirqs_off+0xb8/0x310 [ 407.901430] DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 407.903467] __alloc_pages_slowpath+0x2660/0x2d70 [ 407.907836] lowmem_reserve[]: 0 [ 407.910087] ? warn_alloc+0x120/0x120 [ 407.914441] 0 3503 [ 407.941410] ? warn_alloc+0x120/0x120 [ 407.946216] 3503 [ 407.949490] ? print_usage_bug+0xc0/0xc0 [ 407.953258] Node 0 [ 407.955478] ? warn_alloc+0x120/0x120 [ 407.959275] Normal free:13924kB min:37364kB low:46704kB high:56044kB active_anon:183760kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5536kB pagetables:2112kB bounce:0kB free_pcp:2164kB local_pcp:1336kB free_cma:0kB [ 407.961320] ? print_usage_bug+0xc0/0xc0 [ 407.965361] lowmem_reserve[]: 0 [ 407.967680] ? __lock_acquire+0x62f/0x4c20 [ 407.971445] 0 0 [ 407.999974] ? __lock_acquire+0x62f/0x4c20 [ 408.004002] 0 [ 408.007288] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 408.011489] Node 0 [ 408.013450] ? should_fail+0x22d/0xd01 [ 408.017650] DMA: [ 408.019444] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 408.024948] 1*4kB [ 408.027171] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 408.031038] (U) [ 408.033104] ? __lock_acquire+0x62f/0x4c20 [ 408.038342] 0*8kB 0*16kB [ 408.040488] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 408.045554] 1*32kB (U) [ 408.047522] ? __lock_acquire+0x62f/0x4c20 [ 408.051727] 2*64kB (U) [ 408.054474] ? should_fail+0x22d/0xd01 [ 408.059541] 1*128kB (U) [ 408.062120] ? rcu_irq_exit+0x1a2/0x390 [ 408.066317] 1*256kB (U) [ 408.068897] ? mark_held_locks+0x130/0x130 [ 408.072746] 0*512kB 1*1024kB [ 408.075409] ? mark_held_locks+0x130/0x130 [ 408.079348] (U) [ 408.082005] ? mark_held_locks+0xc7/0x130 [ 408.086201] 1*2048kB (M) [ 408.089315] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 408.093512] 3*4096kB (M) [ 408.095502] ? zap_class+0x640/0x640 [ 408.099625] = 15908kB [ 408.099631] Node 0 [ 408.102372] ? print_usage_bug+0xc0/0xc0 [ 408.107349] DMA32: 5*4kB [ 408.110110] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.113794] (UM) [ 408.116189] ? check_preemption_disabled+0x48/0x280 [ 408.118391] 1*8kB (H) [ 408.122450] ? __lock_is_held+0xb5/0x140 [ 408.125178] 2*16kB [ 408.130700] __alloc_pages_nodemask+0xa80/0xde0 [ 408.132740] (M) 3*32kB [ 408.137744] ? zap_class+0x640/0x640 [ 408.140211] (M) [ 408.144257] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 408.146460] 3*64kB (MH) [ 408.151128] ? find_held_lock+0x36/0x1c0 [ 408.153677] 4*128kB (M) [ 408.157403] ? ____cache_alloc_node+0x1c7/0x1e0 [ 408.159347] 5*256kB (UMH) [ 408.164356] ? lock_downgrade+0x900/0x900 [ 408.167000] 5*512kB (UMH) [ 408.171055] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.173690] 4*1024kB (UMH) [ 408.178355] cache_grow_begin+0xa5/0x8c0 [ 408.181165] 2*2048kB (UM) [ 408.185303] ? do_raw_spin_unlock+0xa7/0x330 [ 408.188135] 3*4096kB [ 408.193660] fallback_alloc+0x204/0x2e0 [ 408.196612] (M) = 25180kB [ 408.200668] ____cache_alloc_node+0x1c7/0x1e0 [ 408.203497] Node 0 [ 408.207893] kmem_cache_alloc_node+0xe3/0x730 [ 408.210272] Normal: [ 408.214242] ? ipv6_get_ifaddr+0x42e/0x620 [ 408.216977] 1917*4kB [ 408.221459] __alloc_skb+0x119/0x770 [ 408.223664] (UME) [ 408.228144] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 408.230434] 392*8kB [ 408.234655] ? netdev_alloc_frag+0x1f0/0x1f0 [ 408.237035] (UME) [ 408.240733] ? lock_downgrade+0x900/0x900 [ 408.242855] 105*16kB [ 408.248119] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.250411] (UME) [ 408.254806] ? refcount_sub_and_test_checked+0x203/0x310 [ 408.256927] 43*32kB [ 408.261058] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 408.263443] (UM) [ 408.268960] ? addrconf_rs_timer+0x690/0x690 [ 408.271088] 1*64kB [ 408.276527] ndisc_alloc_skb+0x144/0x340 [ 408.278812] (U) [ 408.284246] ndisc_send_rs+0x331/0x6e0 [ 408.286276] 0*128kB 0*256kB [ 408.290678] addrconf_rs_timer+0x314/0x690 [ 408.292880] 0*512kB 0*1024kB [ 408.296935] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 408.298875] 0*2048kB 0*4096kB [ 408.302772] call_timer_fn+0x272/0x920 [ 408.305748] = 13924kB [ 408.305761] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 408.309975] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 408.313055] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 408.317288] ? process_timeout+0x40/0x40 [ 408.320453] 7036 total pagecache pages [ 408.324329] ? __run_timers+0x7da/0xc70 [ 408.326713] 0 pages in swap cache [ 408.335535] ? _raw_spin_unlock_irq+0x27/0x80 [ 408.339739] Swap cache stats: add 0, delete 0, find 0/0 [ 408.348293] ? _raw_spin_unlock_irq+0x27/0x80 [ 408.352325] Free swap = 0kB [ 408.356193] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 408.360135] Total swap = 0kB [ 408.363572] ? lockdep_hardirqs_on+0x296/0x5b0 [ 408.368047] 1965979 pages RAM [ 408.373401] ? trace_hardirqs_on+0xbd/0x310 [ 408.377864] 0 pages HighMem/MovableOnly [ 408.380866] ? kasan_check_read+0x11/0x20 [ 408.385082] 342867 pages reserved [ 408.388092] ? __run_timers+0x7da/0xc70 [ 408.392638] 0 pages cma reserved [ 408.392706] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 408.395739] ? trace_hardirqs_off_caller+0x310/0x310 [ 408.400085] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 408.403983] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 408.408101] syz-fuzzer cpuset= [ 408.411538] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 408.415482] / [ 408.418834] __run_timers+0x7e5/0xc70 [ 408.425297] mems_allowed=0 [ 408.430390] ? timer_fixup_init+0x70/0x70 [ 408.464711] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 408.469719] ? zap_class+0x640/0x640 [ 408.473429] ? enqueue_hrtimer+0x1a5/0x560 [ 408.477658] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 408.482860] ? find_held_lock+0x36/0x1c0 [ 408.486923] ? zap_class+0x640/0x640 [ 408.490667] ? pvclock_read_flags+0x160/0x160 [ 408.495161] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.500693] ? check_preemption_disabled+0x48/0x280 [ 408.505708] ? __lock_is_held+0xb5/0x140 [ 408.509764] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.515295] ? check_preemption_disabled+0x48/0x280 [ 408.520309] run_timer_softirq+0x52/0xb0 [ 408.524371] ? rcu_read_lock_sched_held+0x14f/0x180 [ 408.529385] __do_softirq+0x308/0xb7e [ 408.533181] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 408.537672] ? lock_downgrade+0x900/0x900 [ 408.541819] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 408.546921] ? pvclock_read_flags+0x160/0x160 [ 408.551408] ? lapic_next_event+0x5a/0x90 [ 408.555574] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.561118] ? kvm_clock_read+0x18/0x30 [ 408.565084] ? kvm_sched_clock_read+0x9/0x20 [ 408.569487] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.575017] ? check_preemption_disabled+0x48/0x280 [ 408.580072] irq_exit+0x17f/0x1c0 [ 408.583520] smp_apic_timer_interrupt+0x1cb/0x760 [ 408.588386] ? smp_reschedule_interrupt+0x109/0x650 [ 408.593407] ? smp_call_function_single_interrupt+0x650/0x650 [ 408.599286] ? interrupt_entry+0xb5/0xc0 [ 408.603343] ? trace_hardirqs_off_caller+0xbb/0x310 [ 408.608352] ? trace_hardirqs_off_caller+0xbb/0x310 [ 408.613378] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 408.618213] ? trace_hardirqs_on_caller+0x310/0x310 [ 408.623222] ? trace_hardirqs_on_caller+0x310/0x310 [ 408.628228] ? task_prio+0x50/0x50 [ 408.631763] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.637312] ? check_preemption_disabled+0x48/0x280 [ 408.642326] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 408.647167] apic_timer_interrupt+0xf/0x20 [ 408.651387] [ 408.653622] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 408.658544] Code: 7e 0f 85 cf fe ff ff e8 f6 d7 3f ff e9 c5 fe ff ff e8 4d a2 c3 ff 48 83 3d a5 50 91 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 6a b1 [ 408.677451] RSP: 0000:ffff88019c63f740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 408.685151] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 408.692412] RDX: 0000000000000000 RSI: ffff8801929e68c0 RDI: 0000000000000286 [ 408.699670] RBP: ffff88019c63f7a8 R08: ffff8801929e6040 R09: 0000000000000000 [ 408.706929] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 408.714202] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020 [ 408.721488] skb_clone+0x1bb/0x500 [ 408.725017] ? finish_task_switch+0x2f4/0x910 [ 408.729517] ? skb_split+0x11e0/0x11e0 [ 408.733404] ? preempt_notifier_register+0x200/0x200 [ 408.738500] ? __switch_to_asm+0x34/0x70 [ 408.742552] ? __switch_to_asm+0x34/0x70 [ 408.746605] ? __switch_to_asm+0x40/0x70 [ 408.750656] ? __switch_to_asm+0x34/0x70 [ 408.754709] ? __switch_to_asm+0x40/0x70 [ 408.758758] ? __switch_to_asm+0x34/0x70 [ 408.762810] ? __switch_to_asm+0x40/0x70 [ 408.766864] ? __switch_to_asm+0x34/0x70 [ 408.770934] ? __switch_to_asm+0x34/0x70 [ 408.774988] ? __switch_to_asm+0x40/0x70 [ 408.779047] ? __switch_to_asm+0x34/0x70 [ 408.783108] bpf_clone_redirect+0xb9/0x490 [ 408.787333] ? __schedule+0x8d7/0x21d0 [ 408.791219] bpf_prog_bebbfe2050753572+0x325/0x1000 [ 408.796234] ? __sched_text_start+0x8/0x8 [ 408.800383] ? find_held_lock+0x36/0x1c0 [ 408.804461] ? lock_acquire+0x1ed/0x520 [ 408.808424] ? bpf_test_run+0x3cb/0x780 [ 408.812405] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.817933] ? check_preemption_disabled+0x48/0x280 [ 408.822951] ? kasan_check_read+0x11/0x20 [ 408.827112] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 408.832383] ? rcu_softirq_qs+0x20/0x20 [ 408.836353] ? preempt_schedule+0x4d/0x60 [ 408.840514] ? ___preempt_schedule+0x16/0x18 [ 408.844924] ? bpf_test_run+0x25d/0x780 [ 408.848899] ? netlink_diag_dump+0x2a0/0x2a0 [ 408.853303] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 408.858830] ? bpf_test_init.isra.10+0x70/0x100 [ 408.863495] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 408.868251] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 408.873083] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 408.878614] ? fput+0x130/0x1a0 [ 408.881886] ? __bpf_prog_get+0x9b/0x290 [ 408.885941] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 408.890786] ? bpf_prog_test_run+0x130/0x1a0 [ 408.895192] ? __x64_sys_bpf+0x3d8/0x520 [ 408.899246] ? bpf_prog_get+0x20/0x20 [ 408.903065] ? do_syscall_64+0x1b9/0x820 [ 408.907120] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 408.912474] ? syscall_return_slowpath+0x5e0/0x5e0 [ 408.917396] ? trace_hardirqs_on_caller+0x310/0x310 [ 408.922405] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 408.927418] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 408.934075] ? __switch_to_asm+0x40/0x70 [ 408.938127] ? __switch_to_asm+0x34/0x70 [ 408.942188] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 408.947041] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 408.952427] CPU: 1 PID: 5375 Comm: syz-fuzzer Not tainted 4.19.0+ #72 [ 408.952513] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 408.958996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 408.959003] Call Trace: [ 408.965574] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 408.974820] [ 408.974833] dump_stack+0x244/0x39d [ 408.974851] ? dump_stack_print_info.cold.1+0x20/0x20 [ 408.977590] syz-executor0 cpuset= [ 408.988069] warn_alloc.cold.117+0xb7/0x1bd [ 408.990284] syz0 [ 408.993847] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 408.993864] ? lock_downgrade+0x900/0x900 [ 408.993883] ? trace_hardirqs_off+0xb8/0x310 [ 408.993902] ? trace_hardirqs_off+0xb8/0x310 [ 408.993923] __alloc_pages_slowpath+0x2660/0x2d70 [ 408.993963] ? warn_alloc+0x120/0x120 [ 408.999198] mems_allowed=0 [ 409.002635] ? warn_alloc+0x120/0x120 [ 409.041887] ? print_usage_bug+0xc0/0xc0 [ 409.045940] ? warn_alloc+0x120/0x120 [ 409.049734] ? print_usage_bug+0xc0/0xc0 [ 409.053783] ? __lock_acquire+0x62f/0x4c20 [ 409.058015] ? __lock_acquire+0x62f/0x4c20 [ 409.062244] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 409.067775] ? should_fail+0x22d/0xd01 [ 409.071658] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 409.076757] ? __lock_acquire+0x62f/0x4c20 [ 409.080986] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 409.086087] ? __lock_acquire+0x62f/0x4c20 [ 409.090312] ? should_fail+0x22d/0xd01 [ 409.094193] ? find_held_lock+0x36/0x1c0 [ 409.098273] ? mark_held_locks+0x130/0x130 [ 409.102501] ? mark_held_locks+0x130/0x130 [ 409.106732] ? zap_class+0x640/0x640 [ 409.110444] ? zap_class+0x640/0x640 [ 409.114158] ? print_usage_bug+0xc0/0xc0 [ 409.118210] ? do_raw_spin_unlock+0xa7/0x330 [ 409.122612] ? zap_class+0x640/0x640 [ 409.126322] ? print_usage_bug+0xc0/0xc0 [ 409.130376] ? wq_watchdog_touch+0x9c/0xfe [ 409.134602] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.140134] ? check_preemption_disabled+0x48/0x280 [ 409.145149] ? __lock_is_held+0xb5/0x140 [ 409.149210] __alloc_pages_nodemask+0xa80/0xde0 [ 409.153882] ? zap_class+0x640/0x640 [ 409.157596] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 409.162613] ? find_held_lock+0x36/0x1c0 [ 409.166678] ? ____cache_alloc_node+0x1c7/0x1e0 [ 409.171341] ? lock_downgrade+0x900/0x900 [ 409.175492] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.181028] cache_grow_begin+0xa5/0x8c0 [ 409.185080] ? do_raw_spin_unlock+0xa7/0x330 [ 409.189490] fallback_alloc+0x204/0x2e0 [ 409.193469] ____cache_alloc_node+0x1c7/0x1e0 [ 409.197968] kmem_cache_alloc_node+0xe3/0x730 [ 409.202465] ? ipv6_get_ifaddr+0x42e/0x620 [ 409.206717] __alloc_skb+0x119/0x770 [ 409.210425] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 409.215697] ? netdev_alloc_frag+0x1f0/0x1f0 [ 409.220099] ? lock_downgrade+0x900/0x900 [ 409.224250] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.229784] ? refcount_sub_and_test_checked+0x203/0x310 [ 409.235234] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 409.240680] ? addrconf_rs_timer+0x690/0x690 [ 409.245094] ndisc_alloc_skb+0x144/0x340 [ 409.249149] ndisc_send_rs+0x331/0x6e0 [ 409.253036] addrconf_rs_timer+0x314/0x690 [ 409.257286] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 409.261533] call_timer_fn+0x272/0x920 [ 409.265417] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 409.269649] ? process_timeout+0x40/0x40 [ 409.273715] ? mark_held_locks+0xc7/0x130 [ 409.277859] ? _raw_spin_unlock_irq+0x27/0x80 [ 409.282345] ? _raw_spin_unlock_irq+0x27/0x80 [ 409.286938] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 409.291167] ? lockdep_hardirqs_on+0x296/0x5b0 [ 409.295743] ? trace_hardirqs_on+0xbd/0x310 [ 409.300058] ? kasan_check_read+0x11/0x20 [ 409.304220] ? __run_timers+0x7da/0xc70 [ 409.308196] ? trace_hardirqs_off_caller+0x310/0x310 [ 409.313300] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 409.317532] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 409.321761] __run_timers+0x7e5/0xc70 [ 409.325570] ? rcu_irq_exit+0x1a2/0x390 [ 409.329547] ? timer_fixup_init+0x70/0x70 [ 409.333690] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.339219] ? check_preemption_disabled+0x48/0x280 [ 409.344247] ? mark_held_locks+0xc7/0x130 [ 409.348390] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 409.353405] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 409.358155] ? retint_kernel+0x2d/0x2d [ 409.362040] ? trace_hardirqs_on_caller+0xc0/0x310 [ 409.367007] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 409.371754] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 409.377206] ? zap_class+0x640/0x640 [ 409.380922] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.386461] ? check_preemption_disabled+0x48/0x280 [ 409.391587] ? __lock_is_held+0xb5/0x140 [ 409.395653] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.401187] ? check_preemption_disabled+0x48/0x280 [ 409.406201] run_timer_softirq+0x52/0xb0 [ 409.410252] ? rcu_read_lock_sched_held+0x14f/0x180 [ 409.415264] __do_softirq+0x308/0xb7e [ 409.419061] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 409.423549] ? lock_downgrade+0x900/0x900 [ 409.427688] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 409.432792] ? pvclock_read_flags+0x160/0x160 [ 409.437369] ? lapic_next_event+0x5a/0x90 [ 409.441522] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.447056] ? kvm_clock_read+0x18/0x30 [ 409.451020] ? kvm_sched_clock_read+0x9/0x20 [ 409.455424] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.460954] ? check_preemption_disabled+0x48/0x280 [ 409.465984] irq_exit+0x17f/0x1c0 [ 409.469427] smp_apic_timer_interrupt+0x1cb/0x760 [ 409.474260] ? smp_reschedule_interrupt+0x109/0x650 [ 409.479269] ? smp_call_function_single_interrupt+0x650/0x650 [ 409.485149] ? interrupt_entry+0xb5/0xc0 [ 409.489209] ? trace_hardirqs_off_caller+0xbb/0x310 [ 409.494217] ? trace_hardirqs_off_caller+0xbb/0x310 [ 409.499230] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 409.504066] ? trace_hardirqs_on_caller+0x310/0x310 [ 409.509286] ? trace_hardirqs_on_caller+0x310/0x310 [ 409.514299] ? task_prio+0x50/0x50 [ 409.517838] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 409.523369] ? check_preemption_disabled+0x48/0x280 [ 409.528409] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 409.533260] apic_timer_interrupt+0xf/0x20 [ 409.537490] [ 409.539724] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 409.544922] Code: 00 e8 95 31 8e f9 e8 90 e2 bd f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d ea 90 8b 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d c0 90 [ 409.563830] RSP: 0000:ffff8801c4c0e140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 409.571530] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003afce19e [ 409.578790] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d7e70c7c [ 409.586056] RBP: ffff8801c4c0e168 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 409.593317] R10: 0000000000000000 R11: ffff8801d7e70400 R12: dffffc0000000000 [ 409.600580] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478 [ 409.607866] retint_kernel+0x1b/0x2d [ 409.611573] RIP: 0010:dump_stack+0x358/0x39d [ 409.615977] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 91 c1 00 fa 48 83 3d 99 b9 91 01 00 0f 84 63 fe ff ff e8 ee e6 bd f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db e6 bd f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 409.634870] RSP: 0000:ffff8801c4c0e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 409.642571] RAX: ffff8801d7e70400 RBX: 1ffffffff12a3e8e RCX: 1ffff1003afce19e [ 409.649831] RDX: 0000000000000000 RSI: ffffffff87c03ae2 RDI: 0000000000000293 [ 409.657092] RBP: ffff8801c4c0e2c8 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 409.664353] R10: 0000000000000000 R11: ffff8801d7e70400 R12: 1ffff10038981c4c [ 409.671630] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 409.679367] ? dump_stack+0x34f/0x39d [ 409.683168] ? dump_stack_print_info.cold.1+0x20/0x20 [ 409.688361] dump_header+0x27b/0xf72 [ 409.692075] ? mark_held_locks+0x130/0x130 [ 409.696304] ? pagefault_out_of_memory+0x197/0x197 [ 409.701233] ? __lock_acquire+0x62f/0x4c20 [ 409.705487] ? zap_class+0x640/0x640 [ 409.709215] ? percpu_ref_get_many+0x240/0x240 [ 409.713790] ? print_usage_bug+0xc0/0xc0 [ 409.717840] ? print_usage_bug+0xc0/0xc0 [ 409.721898] ? zap_class+0x640/0x640 [ 409.725622] ? print_usage_bug+0xc0/0xc0 [ 409.729685] ? print_usage_bug+0xc0/0xc0 [ 409.733746] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.739277] ? find_held_lock+0x36/0x1c0 [ 409.743342] ? mark_held_locks+0xc7/0x130 [ 409.747487] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 409.752583] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 409.757677] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 409.762268] ? trace_hardirqs_on+0xbd/0x310 [ 409.766583] ? kasan_check_read+0x11/0x20 [ 409.770723] ? ___ratelimit+0x3b4/0x672 [ 409.774689] ? trace_hardirqs_off_caller+0x310/0x310 [ 409.779803] ? trace_hardirqs_on+0x310/0x310 [ 409.784210] ? lock_downgrade+0x900/0x900 [ 409.788382] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 409.793482] ? ___ratelimit+0x3b9/0x672 [ 409.797457] ? idr_get_free+0xec0/0xec0 [ 409.801434] ? find_held_lock+0x36/0x1c0 [ 409.805497] oom_kill_process.cold.27+0x10/0x903 [ 409.810246] ? zap_class+0x640/0x640 [ 409.813959] ? check_preemption_disabled+0x48/0x280 [ 409.818978] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 409.823919] ? kasan_check_read+0x11/0x20 [ 409.828064] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 409.833342] ? oom_evaluate_task+0x540/0x540 [ 409.837743] ? find_held_lock+0x36/0x1c0 [ 409.841814] ? out_of_memory+0x974/0x1430 [ 409.845961] ? lock_downgrade+0x900/0x900 [ 409.850100] ? check_preemption_disabled+0x48/0x280 [ 409.855118] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 409.860056] ? kasan_check_read+0x11/0x20 [ 409.864203] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 409.869499] ? rcu_softirq_qs+0x20/0x20 [ 409.873471] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 409.879006] ? oom_evaluate_task+0x302/0x540 [ 409.883426] out_of_memory+0xa84/0x1430 [ 409.887424] ? oom_killer_disable+0x3a0/0x3a0 [ 409.891916] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 409.896851] ? __mutex_add_waiter+0x2a0/0x2a0 [ 409.901352] __alloc_pages_slowpath+0x22d4/0x2d70 [ 409.906214] ? warn_alloc+0x120/0x120 [ 409.910020] ? rcu_softirq_qs+0x20/0x20 [ 409.914011] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 409.919545] ? should_fail+0x22d/0xd01 [ 409.923425] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 409.928521] ? zap_class+0x640/0x640 [ 409.932271] ? __lock_is_held+0xb5/0x140 [ 409.936331] ? mark_held_locks+0x130/0x130 [ 409.940566] ? lock_release+0xa00/0xa00 [ 409.944537] ? perf_trace_sched_process_exec+0x860/0x860 [ 409.949989] ? __might_sleep+0x95/0x190 [ 409.953981] __alloc_pages_nodemask+0xa80/0xde0 [ 409.958649] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 409.963661] ? __page_cache_alloc+0x191/0x5c0 [ 409.968167] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 409.973090] ? kasan_check_read+0x11/0x20 [ 409.977248] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 409.982520] ? zap_class+0x640/0x640 [ 409.986236] ? zap_class+0x640/0x640 [ 409.989942] ? zap_class+0x640/0x640 [ 409.993645] ? __do_page_cache_readahead+0x7ce/0x980 [ 409.998754] ? find_held_lock+0x36/0x1c0 [ 410.002811] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 410.008354] alloc_pages_current+0x173/0x350 [ 410.012761] __page_cache_alloc+0x38c/0x5c0 [ 410.017081] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 410.022008] ? kasan_check_read+0x11/0x20 [ 410.026153] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 410.031424] ? generic_perform_write+0x6a0/0x6a0 [ 410.036178] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 410.041709] ? check_preemption_disabled+0x48/0x280 [ 410.046719] filemap_fault+0x1594/0x25f0 [ 410.050783] ? __lock_page_or_retry+0xa00/0xa00 [ 410.055465] ? mark_held_locks+0x130/0x130 [ 410.059692] ? rcu_softirq_qs+0x20/0x20 [ 410.063699] ? filemap_map_pages+0xe04/0x1990 [ 410.068219] ? __free_object+0x173/0x340 [ 410.072273] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 410.077195] ? trace_hardirqs_off_caller+0x310/0x310 [ 410.082292] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 410.086960] ? debug_object_free+0x32d/0x690 [ 410.091358] ? kasan_check_read+0x11/0x20 [ 410.095506] ? debug_object_destroy+0x2b0/0x2b0 [ 410.100166] ? lock_pi_update_atomic+0x150/0x150 [ 410.104933] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.110465] ? __hrtimer_init+0xdb/0x240 [ 410.114531] ? lock_acquire+0x1ed/0x520 [ 410.118496] ? ext4_filemap_fault+0x7a/0xad [ 410.122809] ? lock_release+0xa00/0xa00 [ 410.126773] ? perf_trace_sched_process_exec+0x860/0x860 [ 410.132219] ? print_usage_bug+0xc0/0xc0 [ 410.136277] ? print_usage_bug+0xc0/0xc0 [ 410.140343] ? down_read+0x8d/0x120 [ 410.143968] ? ext4_filemap_fault+0x7a/0xad [ 410.148284] ? __down_interruptible+0x700/0x700 [ 410.152954] ext4_filemap_fault+0x82/0xad [ 410.157099] __do_fault+0x100/0x6b0 [ 410.160728] ? pmd_devmap_trans_unstable+0x220/0x220 [ 410.165829] ? mark_held_locks+0x130/0x130 [ 410.170061] ? mark_held_locks+0x130/0x130 [ 410.174293] ? debug_smp_processor_id+0x1c/0x20 [ 410.178955] ? perf_trace_lock+0x14d/0x7a0 [ 410.183199] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 410.188742] __handle_mm_fault+0x307c/0x5920 [ 410.193148] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 410.197986] ? lock_is_held_type+0x210/0x210 [ 410.202444] ? zap_class+0x640/0x640 [ 410.206148] ? zap_class+0x640/0x640 [ 410.209854] ? __x64_sys_futex+0x53e/0x6a0 [ 410.214090] ? find_held_lock+0x36/0x1c0 [ 410.218155] ? handle_mm_fault+0x42a/0xc70 [ 410.222398] ? lock_downgrade+0x900/0x900 [ 410.226543] ? check_preemption_disabled+0x48/0x280 [ 410.231568] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 410.236492] ? kasan_check_read+0x11/0x20 [ 410.240637] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 410.245915] ? rcu_softirq_qs+0x20/0x20 [ 410.249896] ? trace_hardirqs_off_caller+0x310/0x310 [ 410.254999] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 410.260530] ? check_preemption_disabled+0x48/0x280 [ 410.265546] handle_mm_fault+0x54f/0xc70 [ 410.269610] ? __handle_mm_fault+0x5920/0x5920 [ 410.274243] ? find_vma+0x34/0x190 [ 410.277785] __do_page_fault+0x5e8/0xe60 [ 410.281837] ? trace_hardirqs_off+0xb8/0x310 [ 410.286236] ? __ia32_sys_read+0xb0/0xb0 [ 410.290303] do_page_fault+0xf2/0x7e0 [ 410.294098] ? vmalloc_sync_all+0x30/0x30 [ 410.298279] ? error_entry+0x70/0xd0 [ 410.301997] ? trace_hardirqs_off_caller+0xbb/0x310 [ 410.307001] ? trace_hardirqs_on_caller+0xc0/0x310 [ 410.311931] ? syscall_return_slowpath+0x5e0/0x5e0 [ 410.316849] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 410.321679] ? trace_hardirqs_on_caller+0x310/0x310 [ 410.326684] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 410.332136] ? prepare_exit_to_usermode+0x291/0x3b0 [ 410.337144] ? page_fault+0x8/0x30 [ 410.340680] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 410.345520] ? page_fault+0x8/0x30 [ 410.349069] page_fault+0x1e/0x30 [ 410.352514] RIP: 0033:0x45ddf3 [ 410.355723] Code: Bad RIP value. [ 410.359073] RSP: 002b:000000c4200206a0 EFLAGS: 00010206 [ 410.364433] RAX: ffffffffffffff92 RBX: 000000003b974269 RCX: 000000000045ddf3 [ 410.371690] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e1060 [ 410.378970] RBP: 000000c4200206e8 R08: 0000000000000000 R09: 0000000000000000 [ 410.386233] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001 [ 410.393494] R13: 0000000000000007 R14: 0000000000b7f720 R15: 000000000000bdf9 [ 410.400777] warn_alloc_show_mem: 1 callbacks suppressed [ 410.400786] CPU: 0 PID: 17787 Comm: syz-executor0 Not tainted 4.19.0+ #72 [ 410.400788] Mem-Info: [ 410.400817] active_anon:46452 inactive_anon:2315 isolated_anon:0 [ 410.400817] active_file:13 inactive_file:13 isolated_file:0 [ 410.400817] unevictable:0 dirty:0 writeback:0 unstable:0 [ 410.400817] slab_reclaimable:9341 slab_unreclaimable:1470635 [ 410.400817] mapped:24578 shmem:7010 pagetables:528 bounce:0 [ 410.400817] free:13753 free_pcp:603 free_cma:0 [ 410.406146] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 410.406153] Call Trace: [ 410.413081] Node 0 active_anon:185808kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:28040kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 410.415465] [ 410.448493] Node 0 [ 410.457851] dump_stack+0x244/0x39d [ 410.460431] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 410.487989] ? dump_stack_print_info.cold.1+0x20/0x20 [ 410.490103] lowmem_reserve[]: 0 [ 410.492344] warn_alloc.cold.117+0xb7/0x1bd [ 410.495933] 2818 [ 410.521421] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 410.526591] 6321 [ 410.529897] ? lock_downgrade+0x900/0x900 [ 410.534179] 6321 [ 410.536250] ? trace_hardirqs_off+0xb8/0x310 [ 410.541057] Node 0 [ 410.543110] ? trace_hardirqs_off+0xb8/0x310 [ 410.547246] DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 410.549279] __alloc_pages_slowpath+0x2660/0x2d70 [ 410.553645] lowmem_reserve[]: 0 [ 410.555955] ? warn_alloc+0x120/0x120 [ 410.560305] 0 3503 [ 410.587448] ? zap_class+0x640/0x640 [ 410.592262] 3503 [ 410.595534] ? warn_alloc+0x120/0x120 [ 410.599303] Node 0 [ 410.601527] ? print_usage_bug+0xc0/0xc0 [ 410.605236] Normal free:13924kB min:37364kB low:46704kB high:56044kB active_anon:183760kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5536kB pagetables:2112kB bounce:0kB free_pcp:2164kB local_pcp:1336kB free_cma:0kB [ 410.607264] ? warn_alloc+0x120/0x120 [ 410.611029] lowmem_reserve[]: 0 [ 410.613260] ? print_usage_bug+0xc0/0xc0 [ 410.617288] 0 0 [ 410.645822] ? kvm_clock_read+0x18/0x30 [ 410.649597] 0 [ 410.652869] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 410.656905] Node 0 [ 410.658868] ? should_fail+0x22d/0xd01 [ 410.662813] DMA: 1*4kB [ 410.664610] ? print_usage_bug+0xc0/0xc0 [ 410.670116] (U) [ 410.672338] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 410.676191] 0*8kB 0*16kB [ 410.678771] ? __lock_acquire+0x62f/0x4c20 [ 410.682797] 1*32kB (U) [ 410.684766] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 410.689833] 2*64kB (U) [ 410.692585] ? should_fail+0x22d/0xd01 [ 410.696785] 1*128kB (U) [ 410.699370] ? mark_held_locks+0x130/0x130 [ 410.704436] 1*256kB (U) [ 410.707013] ? mark_held_locks+0x130/0x130 [ 410.710873] 0*512kB 1*1024kB [ 410.713542] ? kvm_sched_clock_read+0x9/0x20 [ 410.717744] (U) [ 410.720406] ? zap_class+0x640/0x640 [ 410.724623] 1*2048kB (M) [ 410.727718] ? mark_held_locks+0x130/0x130 [ 410.732092] 3*4096kB (M) [ 410.734061] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.737739] = 15908kB [ 410.737745] Node 0 [ 410.740493] ? check_preemption_disabled+0x48/0x280 [ 410.744692] DMA32: 5*4kB [ 410.747448] ? __lock_is_held+0xb5/0x140 [ 410.752953] (UM) [ 410.755359] __alloc_pages_nodemask+0xa80/0xde0 [ 410.757559] 1*8kB (H) [ 410.762564] ? zap_class+0x640/0x640 [ 410.765315] 2*16kB [ 410.769365] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 410.771401] (M) [ 410.776076] ? find_held_lock+0x36/0x1c0 [ 410.778535] 3*32kB (M) [ 410.782246] ? ____cache_alloc_node+0x1c7/0x1e0 [ 410.784450] 3*64kB (MH) [ 410.789461] ? lock_downgrade+0x900/0x900 [ 410.791409] 4*128kB (M) [ 410.795468] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.798019] 5*256kB (UMH) [ 410.802681] cache_grow_begin+0xa5/0x8c0 [ 410.805318] 5*512kB (UMH) [ 410.809460] ? do_raw_spin_unlock+0xa7/0x330 [ 410.812101] 4*1024kB [ 410.817624] fallback_alloc+0x204/0x2e0 [ 410.820433] (UMH) [ 410.824484] ____cache_alloc_node+0x1c7/0x1e0 [ 410.827306] 2*2048kB [ 410.831698] kmem_cache_alloc_node+0xe3/0x730 [ 410.834074] (UM) 3*4096kB [ 410.838037] ? lockdep_hardirqs_on+0x296/0x5b0 [ 410.840157] (M) [ 410.844640] __alloc_skb+0x119/0x770 [ 410.847015] = 25180kB [ 410.851508] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 410.854323] Node 0 [ 410.858907] ? netdev_alloc_frag+0x1f0/0x1f0 [ 410.860846] Normal: 1917*4kB [ 410.864563] ? lock_acquire+0x1ed/0x520 [ 410.866956] (UME) [ 410.872306] ? aoecmd_cfg+0x108/0x7f0 [ 410.874509] 392*8kB (UME) [ 410.878906] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.881977] 105*16kB (UME) [ 410.885945] ? check_preemption_disabled+0x48/0x280 [ 410.888059] 43*32kB (UM) [ 410.891868] ? kasan_check_read+0x11/0x20 [ 410.894676] 1*64kB [ 410.900197] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 410.903097] (U) [ 410.908098] ? rcu_softirq_qs+0x20/0x20 [ 410.910821] 0*128kB 0*256kB [ 410.914967] new_skb+0x26/0x1c0 [ 410.917174] 0*512kB [ 410.922433] aoecmd_cfg+0x279/0x7f0 [ 410.924378] 0*1024kB 0*2048kB [ 410.928341] ? find_held_lock+0x36/0x1c0 [ 410.931349] 0*4096kB [ 410.934626] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 410.936921] = 13924kB [ 410.940555] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.943722] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 410.947761] ? check_preemption_disabled+0x48/0x280 [ 410.950148] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 410.954477] ? __lock_is_held+0xb5/0x140 [ 410.956865] 7036 total pagecache pages [ 410.962393] discover_timer+0x50/0x60 [ 410.971248] 0 pages in swap cache [ 410.976247] call_timer_fn+0x272/0x920 [ 410.984794] Swap cache stats: add 0, delete 0, find 0/0 [ 410.988836] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 410.992697] Free swap = 0kB [ 410.996484] ? process_timeout+0x40/0x40 [ 410.999908] Total swap = 0kB [ 411.003785] ? __run_timers+0x7da/0xc70 [ 411.009113] 1965979 pages RAM [ 411.013941] ? _raw_spin_unlock_irq+0x27/0x80 [ 411.016927] 0 pages HighMem/MovableOnly [ 411.016935] 342867 pages reserved [ 411.020978] ? _raw_spin_unlock_irq+0x27/0x80 [ 411.023969] 0 pages cma reserved [ 411.027929] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 411.031065] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 411.035479] ? lockdep_hardirqs_on+0x296/0x5b0 [ 411.035494] ? trace_hardirqs_on+0xbd/0x310 [ 411.035509] ? kasan_check_read+0x11/0x20 [ 411.039504] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 411.042890] ? __run_timers+0x7da/0xc70 [ 411.047354] syz-fuzzer cpuset= [ 411.050706] ? trace_hardirqs_off_caller+0x310/0x310 [ 411.055519] / [ 411.062002] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 411.066545] mems_allowed=0 [ 411.070860] __run_timers+0x7e5/0xc70 [ 411.110604] ? timer_fixup_init+0x70/0x70 [ 411.114746] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 411.119760] ? zap_class+0x640/0x640 [ 411.123469] ? enqueue_hrtimer+0x1a5/0x560 [ 411.127699] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 411.132891] ? find_held_lock+0x36/0x1c0 [ 411.136950] ? zap_class+0x640/0x640 [ 411.140658] ? pvclock_read_flags+0x160/0x160 [ 411.145145] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.150674] ? check_preemption_disabled+0x48/0x280 [ 411.155692] ? __lock_is_held+0xb5/0x140 [ 411.159747] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.165275] ? check_preemption_disabled+0x48/0x280 [ 411.170288] run_timer_softirq+0x52/0xb0 [ 411.174337] ? rcu_read_lock_sched_held+0x14f/0x180 [ 411.179349] __do_softirq+0x308/0xb7e [ 411.183150] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 411.187636] ? lock_downgrade+0x900/0x900 [ 411.191792] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 411.196895] ? pvclock_read_flags+0x160/0x160 [ 411.201384] ? lapic_next_event+0x5a/0x90 [ 411.205532] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.211066] ? kvm_clock_read+0x18/0x30 [ 411.215031] ? kvm_sched_clock_read+0x9/0x20 [ 411.219432] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.224964] ? check_preemption_disabled+0x48/0x280 [ 411.229981] irq_exit+0x17f/0x1c0 [ 411.233431] smp_apic_timer_interrupt+0x1cb/0x760 [ 411.238268] ? smp_reschedule_interrupt+0x109/0x650 [ 411.243277] ? smp_call_function_single_interrupt+0x650/0x650 [ 411.249157] ? interrupt_entry+0xb5/0xc0 [ 411.253211] ? trace_hardirqs_off_caller+0xbb/0x310 [ 411.258220] ? trace_hardirqs_off_caller+0xbb/0x310 [ 411.263228] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 411.268172] ? trace_hardirqs_on_caller+0x310/0x310 [ 411.273192] ? trace_hardirqs_on_caller+0x310/0x310 [ 411.278213] ? task_prio+0x50/0x50 [ 411.281749] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.287290] ? check_preemption_disabled+0x48/0x280 [ 411.292316] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 411.297196] apic_timer_interrupt+0xf/0x20 [ 411.301426] [ 411.303665] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 411.308591] Code: 7e 0f 85 cf fe ff ff e8 f6 d7 3f ff e9 c5 fe ff ff e8 4d a2 c3 ff 48 83 3d a5 50 91 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 6a b1 [ 411.327584] RSP: 0000:ffff88019c63f740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 411.335285] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 411.342547] RDX: 0000000000000000 RSI: ffff8801929e68c0 RDI: 0000000000000286 [ 411.349808] RBP: ffff88019c63f7a8 R08: ffff8801929e6040 R09: 0000000000000000 [ 411.357078] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 411.364336] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020 [ 411.371640] skb_clone+0x1bb/0x500 [ 411.375177] ? finish_task_switch+0x2f4/0x910 [ 411.379664] ? skb_split+0x11e0/0x11e0 [ 411.383552] ? preempt_notifier_register+0x200/0x200 [ 411.388660] ? __switch_to_asm+0x34/0x70 [ 411.392714] ? __switch_to_asm+0x34/0x70 [ 411.396766] ? __switch_to_asm+0x40/0x70 [ 411.400827] ? __switch_to_asm+0x34/0x70 [ 411.404881] ? __switch_to_asm+0x40/0x70 [ 411.408934] ? __switch_to_asm+0x34/0x70 [ 411.412986] ? __switch_to_asm+0x40/0x70 [ 411.417039] ? __switch_to_asm+0x34/0x70 [ 411.421094] ? __switch_to_asm+0x34/0x70 [ 411.425157] ? __switch_to_asm+0x40/0x70 [ 411.429213] ? __switch_to_asm+0x34/0x70 [ 411.433271] bpf_clone_redirect+0xb9/0x490 [ 411.437498] ? __schedule+0x8d7/0x21d0 [ 411.441383] bpf_prog_bebbfe2050753572+0x325/0x1000 [ 411.446414] ? __sched_text_start+0x8/0x8 [ 411.450566] ? find_held_lock+0x36/0x1c0 [ 411.454636] ? lock_acquire+0x1ed/0x520 [ 411.458609] ? bpf_test_run+0x3cb/0x780 [ 411.462585] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.468116] ? check_preemption_disabled+0x48/0x280 [ 411.473128] ? kasan_check_read+0x11/0x20 [ 411.477273] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 411.482549] ? rcu_softirq_qs+0x20/0x20 [ 411.486516] ? preempt_schedule+0x4d/0x60 [ 411.490659] ? ___preempt_schedule+0x16/0x18 [ 411.495070] ? bpf_test_run+0x25d/0x780 [ 411.499054] ? netlink_diag_dump+0x2a0/0x2a0 [ 411.503460] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 411.509494] ? bpf_test_init.isra.10+0x70/0x100 [ 411.514163] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 411.518934] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 411.523768] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 411.529305] ? fput+0x130/0x1a0 [ 411.532583] ? __bpf_prog_get+0x9b/0x290 [ 411.536639] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 411.541472] ? bpf_prog_test_run+0x130/0x1a0 [ 411.545877] ? __x64_sys_bpf+0x3d8/0x520 [ 411.549931] ? bpf_prog_get+0x20/0x20 [ 411.553743] ? do_syscall_64+0x1b9/0x820 [ 411.557797] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 411.563184] ? syscall_return_slowpath+0x5e0/0x5e0 [ 411.568105] ? trace_hardirqs_on_caller+0x310/0x310 [ 411.573118] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 411.578130] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 411.584794] ? __switch_to_asm+0x40/0x70 [ 411.588859] ? __switch_to_asm+0x34/0x70 [ 411.592920] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 411.597764] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 411.603160] CPU: 1 PID: 5375 Comm: syz-fuzzer Not tainted 4.19.0+ #72 [ 411.603224] aoe: skb alloc failure [ 411.609734] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 411.609741] Call Trace: [ 411.613314] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 411.622597] [ 411.625188] syz-executor0 cpuset= [ 411.635655] dump_stack+0x244/0x39d [ 411.637773] syz0 [ 411.641313] ? dump_stack_print_info.cold.1+0x20/0x20 [ 411.644918] mems_allowed=0 [ 411.646889] warn_alloc.cold.117+0xb7/0x1bd [ 411.659277] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 411.664130] ? lock_downgrade+0x900/0x900 [ 411.668281] ? trace_hardirqs_off+0xb8/0x310 [ 411.672693] ? trace_hardirqs_off+0xb8/0x310 [ 411.677598] __alloc_pages_slowpath+0x2660/0x2d70 [ 411.682490] ? warn_alloc+0x120/0x120 [ 411.686311] ? warn_alloc+0x120/0x120 [ 411.690122] ? print_usage_bug+0xc0/0xc0 [ 411.694176] ? warn_alloc+0x120/0x120 [ 411.697971] ? print_usage_bug+0xc0/0xc0 [ 411.702028] ? __lock_acquire+0x62f/0x4c20 [ 411.706289] ? __lock_acquire+0x62f/0x4c20 [ 411.710528] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 411.716060] ? should_fail+0x22d/0xd01 [ 411.719948] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 411.725045] ? __lock_acquire+0x62f/0x4c20 [ 411.729273] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 411.734403] ? __lock_acquire+0x62f/0x4c20 [ 411.738634] ? should_fail+0x22d/0xd01 [ 411.742514] ? find_held_lock+0x36/0x1c0 [ 411.746597] ? mark_held_locks+0x130/0x130 [ 411.750839] ? mark_held_locks+0x130/0x130 [ 411.755098] ? zap_class+0x640/0x640 [ 411.758810] ? zap_class+0x640/0x640 [ 411.762522] ? print_usage_bug+0xc0/0xc0 [ 411.766572] ? do_raw_spin_unlock+0xa7/0x330 [ 411.770999] ? zap_class+0x640/0x640 [ 411.774705] ? print_usage_bug+0xc0/0xc0 [ 411.778789] ? wq_watchdog_touch+0x9c/0xfe [ 411.783023] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.788555] ? check_preemption_disabled+0x48/0x280 [ 411.793571] ? __lock_is_held+0xb5/0x140 [ 411.797631] __alloc_pages_nodemask+0xa80/0xde0 [ 411.802317] ? zap_class+0x640/0x640 [ 411.806029] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 411.811068] ? find_held_lock+0x36/0x1c0 [ 411.815131] ? ____cache_alloc_node+0x1c7/0x1e0 [ 411.819801] ? lock_downgrade+0x900/0x900 [ 411.823949] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.829482] cache_grow_begin+0xa5/0x8c0 [ 411.833538] ? do_raw_spin_unlock+0xa7/0x330 [ 411.837948] fallback_alloc+0x204/0x2e0 [ 411.841921] ____cache_alloc_node+0x1c7/0x1e0 [ 411.846415] kmem_cache_alloc_node+0xe3/0x730 [ 411.850909] ? ipv6_get_ifaddr+0x42e/0x620 [ 411.855149] __alloc_skb+0x119/0x770 [ 411.858857] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 411.864146] ? netdev_alloc_frag+0x1f0/0x1f0 [ 411.868566] ? lock_downgrade+0x900/0x900 [ 411.872713] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.878249] ? refcount_sub_and_test_checked+0x203/0x310 [ 411.883698] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 411.889144] ? addrconf_rs_timer+0x690/0x690 [ 411.893554] ndisc_alloc_skb+0x144/0x340 [ 411.897611] ndisc_send_rs+0x331/0x6e0 [ 411.901495] addrconf_rs_timer+0x314/0x690 [ 411.905726] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 411.909965] call_timer_fn+0x272/0x920 [ 411.913865] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 411.918092] ? process_timeout+0x40/0x40 [ 411.922155] ? mark_held_locks+0xc7/0x130 [ 411.926320] ? _raw_spin_unlock_irq+0x27/0x80 [ 411.930810] ? _raw_spin_unlock_irq+0x27/0x80 [ 411.935299] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 411.939529] ? lockdep_hardirqs_on+0x296/0x5b0 [ 411.944108] ? trace_hardirqs_on+0xbd/0x310 [ 411.948420] ? kasan_check_read+0x11/0x20 [ 411.952563] ? __run_timers+0x7da/0xc70 [ 411.956533] ? trace_hardirqs_off_caller+0x310/0x310 [ 411.961633] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 411.965876] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 411.970104] __run_timers+0x7e5/0xc70 [ 411.973906] ? rcu_irq_exit+0x1a2/0x390 [ 411.977900] ? timer_fixup_init+0x70/0x70 [ 411.982039] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.987574] ? check_preemption_disabled+0x48/0x280 [ 411.992594] ? mark_held_locks+0xc7/0x130 [ 411.996740] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 412.001759] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 412.006520] ? retint_kernel+0x2d/0x2d [ 412.010403] ? trace_hardirqs_on_caller+0xc0/0x310 [ 412.015327] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 412.020076] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 412.025527] ? zap_class+0x640/0x640 [ 412.029238] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.034792] ? check_preemption_disabled+0x48/0x280 [ 412.039808] ? __lock_is_held+0xb5/0x140 [ 412.043880] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.049408] ? check_preemption_disabled+0x48/0x280 [ 412.054436] run_timer_softirq+0x52/0xb0 [ 412.058504] ? rcu_read_lock_sched_held+0x14f/0x180 [ 412.063510] __do_softirq+0x308/0xb7e [ 412.067328] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 412.071814] ? lock_downgrade+0x900/0x900 [ 412.075962] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 412.081074] ? pvclock_read_flags+0x160/0x160 [ 412.085562] ? lapic_next_event+0x5a/0x90 [ 412.089707] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.095258] ? kvm_clock_read+0x18/0x30 [ 412.099229] ? kvm_sched_clock_read+0x9/0x20 [ 412.103633] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.109163] ? check_preemption_disabled+0x48/0x280 [ 412.114193] irq_exit+0x17f/0x1c0 [ 412.117656] smp_apic_timer_interrupt+0x1cb/0x760 [ 412.122488] ? smp_reschedule_interrupt+0x109/0x650 [ 412.127500] ? smp_call_function_single_interrupt+0x650/0x650 [ 412.133380] ? interrupt_entry+0xb5/0xc0 [ 412.137433] ? trace_hardirqs_off_caller+0xbb/0x310 [ 412.142442] ? trace_hardirqs_off_caller+0xbb/0x310 [ 412.147467] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 412.152304] ? trace_hardirqs_on_caller+0x310/0x310 [ 412.157312] ? trace_hardirqs_on_caller+0x310/0x310 [ 412.162343] ? task_prio+0x50/0x50 [ 412.165878] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 412.171416] ? check_preemption_disabled+0x48/0x280 [ 412.176447] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 412.181288] apic_timer_interrupt+0xf/0x20 [ 412.185512] [ 412.187764] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 412.192959] Code: 00 e8 95 31 8e f9 e8 90 e2 bd f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d ea 90 8b 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d c0 90 [ 412.211862] RSP: 0000:ffff8801c4c0e140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 412.219565] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003afce19e [ 412.226829] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d7e70c7c [ 412.234108] RBP: ffff8801c4c0e168 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 412.241367] R10: 0000000000000000 R11: ffff8801d7e70400 R12: dffffc0000000000 [ 412.248629] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478 [ 412.255926] retint_kernel+0x1b/0x2d [ 412.259637] RIP: 0010:dump_stack+0x358/0x39d [ 412.264062] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 91 c1 00 fa 48 83 3d 99 b9 91 01 00 0f 84 63 fe ff ff e8 ee e6 bd f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db e6 bd f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 412.282951] RSP: 0000:ffff8801c4c0e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 412.290651] RAX: ffff8801d7e70400 RBX: 1ffffffff12a3e8e RCX: 1ffff1003afce19e [ 412.297911] RDX: 0000000000000000 RSI: ffffffff87c03ae2 RDI: 0000000000000293 [ 412.305179] RBP: ffff8801c4c0e2c8 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 412.312471] R10: 0000000000000000 R11: ffff8801d7e70400 R12: 1ffff10038981c4c [ 412.319731] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 412.327137] ? dump_stack+0x34f/0x39d [ 412.330961] ? dump_stack_print_info.cold.1+0x20/0x20 [ 412.336154] dump_header+0x27b/0xf72 [ 412.339866] ? mark_held_locks+0x130/0x130 [ 412.344102] ? pagefault_out_of_memory+0x197/0x197 [ 412.349036] ? __lock_acquire+0x62f/0x4c20 [ 412.353269] ? zap_class+0x640/0x640 [ 412.357154] ? percpu_ref_get_many+0x240/0x240 [ 412.361758] ? print_usage_bug+0xc0/0xc0 [ 412.365812] ? print_usage_bug+0xc0/0xc0 [ 412.369869] ? zap_class+0x640/0x640 [ 412.373579] ? print_usage_bug+0xc0/0xc0 [ 412.377646] ? print_usage_bug+0xc0/0xc0 [ 412.381721] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.387277] ? find_held_lock+0x36/0x1c0 [ 412.391370] ? mark_held_locks+0xc7/0x130 [ 412.395521] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 412.400618] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 412.405711] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 412.410296] ? trace_hardirqs_on+0xbd/0x310 [ 412.414607] ? kasan_check_read+0x11/0x20 [ 412.418753] ? ___ratelimit+0x3b4/0x672 [ 412.422722] ? trace_hardirqs_off_caller+0x310/0x310 [ 412.427914] ? trace_hardirqs_on+0x310/0x310 [ 412.432316] ? lock_downgrade+0x900/0x900 [ 412.436464] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 412.441561] ? ___ratelimit+0x3b9/0x672 [ 412.445530] ? idr_get_free+0xec0/0xec0 [ 412.449502] ? find_held_lock+0x36/0x1c0 [ 412.453568] oom_kill_process.cold.27+0x10/0x903 [ 412.458335] ? zap_class+0x640/0x640 [ 412.462057] ? check_preemption_disabled+0x48/0x280 [ 412.467098] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 412.472021] ? kasan_check_read+0x11/0x20 [ 412.476176] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 412.481470] ? oom_evaluate_task+0x540/0x540 [ 412.485897] ? find_held_lock+0x36/0x1c0 [ 412.489985] ? out_of_memory+0x974/0x1430 [ 412.494136] ? lock_downgrade+0x900/0x900 [ 412.498279] ? check_preemption_disabled+0x48/0x280 [ 412.503293] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 412.508215] ? kasan_check_read+0x11/0x20 [ 412.512360] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 412.517632] ? rcu_softirq_qs+0x20/0x20 [ 412.521603] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 412.527133] ? oom_evaluate_task+0x302/0x540 [ 412.531547] out_of_memory+0xa84/0x1430 [ 412.535522] ? oom_killer_disable+0x3a0/0x3a0 [ 412.540013] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 412.544944] ? __mutex_add_waiter+0x2a0/0x2a0 [ 412.549447] __alloc_pages_slowpath+0x22d4/0x2d70 [ 412.554316] ? warn_alloc+0x120/0x120 [ 412.558108] ? rcu_softirq_qs+0x20/0x20 [ 412.562103] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 412.567630] ? should_fail+0x22d/0xd01 [ 412.571514] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 412.576610] ? zap_class+0x640/0x640 [ 412.580341] ? __lock_is_held+0xb5/0x140 [ 412.584418] ? mark_held_locks+0x130/0x130 [ 412.588649] ? lock_release+0xa00/0xa00 [ 412.592621] ? perf_trace_sched_process_exec+0x860/0x860 [ 412.598072] ? __might_sleep+0x95/0x190 [ 412.602051] __alloc_pages_nodemask+0xa80/0xde0 [ 412.606726] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 412.611746] ? __page_cache_alloc+0x191/0x5c0 [ 412.616273] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 412.621194] ? kasan_check_read+0x11/0x20 [ 412.625342] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 412.630613] ? zap_class+0x640/0x640 [ 412.634336] ? zap_class+0x640/0x640 [ 412.638050] ? zap_class+0x640/0x640 [ 412.641761] ? __do_page_cache_readahead+0x7ce/0x980 [ 412.646861] ? find_held_lock+0x36/0x1c0 [ 412.650917] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 412.656451] alloc_pages_current+0x173/0x350 [ 412.660858] __page_cache_alloc+0x38c/0x5c0 [ 412.665170] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 412.670094] ? kasan_check_read+0x11/0x20 [ 412.674236] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 412.679605] ? generic_perform_write+0x6a0/0x6a0 [ 412.684356] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 412.689880] ? check_preemption_disabled+0x48/0x280 [ 412.694897] filemap_fault+0x1594/0x25f0 [ 412.698966] ? __lock_page_or_retry+0xa00/0xa00 [ 412.703632] ? mark_held_locks+0x130/0x130 [ 412.707871] ? rcu_softirq_qs+0x20/0x20 [ 412.711849] ? filemap_map_pages+0xe04/0x1990 [ 412.716349] ? __free_object+0x173/0x340 [ 412.720415] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 412.725345] ? trace_hardirqs_off_caller+0x310/0x310 [ 412.730460] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 412.735131] ? debug_object_free+0x32d/0x690 [ 412.739534] ? kasan_check_read+0x11/0x20 [ 412.743685] ? debug_object_destroy+0x2b0/0x2b0 [ 412.748350] ? lock_pi_update_atomic+0x150/0x150 [ 412.753096] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.758622] ? __hrtimer_init+0xdb/0x240 [ 412.762686] ? lock_acquire+0x1ed/0x520 [ 412.766671] ? ext4_filemap_fault+0x7a/0xad [ 412.770994] ? lock_release+0xa00/0xa00 [ 412.774975] ? perf_trace_sched_process_exec+0x860/0x860 [ 412.780424] ? print_usage_bug+0xc0/0xc0 [ 412.784480] ? print_usage_bug+0xc0/0xc0 [ 412.788556] ? down_read+0x8d/0x120 [ 412.792173] ? ext4_filemap_fault+0x7a/0xad [ 412.796490] ? __down_interruptible+0x700/0x700 [ 412.801167] ext4_filemap_fault+0x82/0xad [ 412.805308] __do_fault+0x100/0x6b0 [ 412.808933] ? pmd_devmap_trans_unstable+0x220/0x220 [ 412.814034] ? mark_held_locks+0x130/0x130 [ 412.818267] ? mark_held_locks+0x130/0x130 [ 412.822498] ? debug_smp_processor_id+0x1c/0x20 [ 412.827182] ? perf_trace_lock+0x14d/0x7a0 [ 412.831418] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 412.836953] __handle_mm_fault+0x307c/0x5920 [ 412.841381] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 412.846222] ? lock_is_held_type+0x210/0x210 [ 412.850642] ? zap_class+0x640/0x640 [ 412.854354] ? zap_class+0x640/0x640 [ 412.858078] ? __x64_sys_futex+0x53e/0x6a0 [ 412.862309] ? find_held_lock+0x36/0x1c0 [ 412.866387] ? handle_mm_fault+0x42a/0xc70 [ 412.870745] ? lock_downgrade+0x900/0x900 [ 412.874903] ? check_preemption_disabled+0x48/0x280 [ 412.880023] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 412.884944] ? kasan_check_read+0x11/0x20 [ 412.889089] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 412.894363] ? rcu_softirq_qs+0x20/0x20 [ 412.898329] ? trace_hardirqs_off_caller+0x310/0x310 [ 412.903538] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 412.909070] ? check_preemption_disabled+0x48/0x280 [ 412.914080] handle_mm_fault+0x54f/0xc70 [ 412.918137] ? __handle_mm_fault+0x5920/0x5920 [ 412.922804] ? find_vma+0x34/0x190 [ 412.926348] __do_page_fault+0x5e8/0xe60 [ 412.930411] ? trace_hardirqs_off+0xb8/0x310 [ 412.934808] ? __ia32_sys_read+0xb0/0xb0 [ 412.938872] do_page_fault+0xf2/0x7e0 [ 412.942669] ? vmalloc_sync_all+0x30/0x30 [ 412.946817] ? error_entry+0x70/0xd0 [ 412.950526] ? trace_hardirqs_off_caller+0xbb/0x310 [ 412.955531] ? trace_hardirqs_on_caller+0xc0/0x310 [ 412.960481] ? syscall_return_slowpath+0x5e0/0x5e0 [ 412.965404] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 412.970249] ? trace_hardirqs_on_caller+0x310/0x310 [ 412.975275] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 412.980722] ? prepare_exit_to_usermode+0x291/0x3b0 [ 412.985747] ? page_fault+0x8/0x30 [ 412.989280] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 412.994120] ? page_fault+0x8/0x30 [ 412.997652] page_fault+0x1e/0x30 [ 413.001099] RIP: 0033:0x45ddf3 [ 413.004304] Code: Bad RIP value. [ 413.007662] RSP: 002b:000000c4200206a0 EFLAGS: 00010206 [ 413.013036] RAX: ffffffffffffff92 RBX: 000000003b974269 RCX: 000000000045ddf3 [ 413.020294] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e1060 [ 413.027560] RBP: 000000c4200206e8 R08: 0000000000000000 R09: 0000000000000000 [ 413.034824] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001 [ 413.042084] R13: 0000000000000007 R14: 0000000000b7f720 R15: 000000000000bdf9 [ 413.049362] warn_alloc_show_mem: 1 callbacks suppressed [ 413.049370] CPU: 0 PID: 17787 Comm: syz-executor0 Not tainted 4.19.0+ #72 [ 413.049372] Mem-Info: [ 413.049400] active_anon:46452 inactive_anon:2315 isolated_anon:0 [ 413.049400] active_file:13 inactive_file:13 isolated_file:0 [ 413.049400] unevictable:0 dirty:0 writeback:0 unstable:0 [ 413.049400] slab_reclaimable:9341 slab_unreclaimable:1470635 [ 413.049400] mapped:24578 shmem:7010 pagetables:528 bounce:0 [ 413.049400] free:13753 free_pcp:603 free_cma:0 [ 413.054735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 413.054757] Call Trace: [ 413.061714] Node 0 active_anon:185808kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:28040kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 413.064099] [ 413.097212] Node 0 [ 413.106553] dump_stack+0x244/0x39d [ 413.109128] 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 [ 413.136685] ? dump_stack_print_info.cold.1+0x20/0x20 [ 413.138815] lowmem_reserve[]: 0 [ 413.141056] warn_alloc.cold.117+0xb7/0x1bd [ 413.144645] 2818 [ 413.170160] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 413.175330] 6321 [ 413.178599] ? lock_downgrade+0x900/0x900 [ 413.182887] 6321 [ 413.184946] ? trace_hardirqs_off+0xb8/0x310 [ 413.189764] Node 0 [ 413.191830] ? trace_hardirqs_off+0xb8/0x310 [ 413.195967] DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 413.198017] __alloc_pages_slowpath+0x2660/0x2d70 [ 413.202394] lowmem_reserve[]: 0 [ 413.204659] ? warn_alloc+0x120/0x120 [ 413.209038] 0 [ 413.236005] ? pvclock_read_flags+0x160/0x160 [ 413.240815] 3503 [ 413.244093] ? warn_alloc+0x120/0x120 [ 413.247867] 3503 [ 413.249670] ? print_usage_bug+0xc0/0xc0 [ 413.254135] Node 0 [ 413.256206] ? warn_alloc+0x120/0x120 [ 413.260006] Normal free:13924kB min:37364kB low:46704kB high:56044kB active_anon:183760kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5536kB pagetables:2112kB bounce:0kB free_pcp:2164kB local_pcp:1336kB free_cma:0kB [ 413.262034] ? print_usage_bug+0xc0/0xc0 [ 413.266076] lowmem_reserve[]: 0 [ 413.268307] ? ktime_get+0x2c1/0x400 [ 413.272075] 0 0 [ 413.300607] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.304633] 0 [ 413.307915] ? check_preemption_disabled+0x48/0x280 [ 413.311602] Node 0 [ 413.313577] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 413.319078] DMA: 1*4kB [ 413.320876] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 413.325860] (U) [ 413.328082] ? should_fail+0x22d/0xd01 [ 413.332542] 0*8kB 0*16kB [ 413.335121] ? kasan_check_read+0x11/0x20 [ 413.340619] 1*32kB (U) [ 413.342587] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 413.346440] 2*64kB (U) [ 413.349193] ? __lock_acquire+0x62f/0x4c20 [ 413.353305] 1*128kB (U) [ 413.355882] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 413.360952] 1*256kB (U) [ 413.363526] ? should_fail+0x22d/0xd01 [ 413.367734] 0*512kB 1*1024kB [ 413.370406] ? print_usage_bug+0xc0/0xc0 [ 413.375483] (U) [ 413.378148] ? mark_held_locks+0x130/0x130 [ 413.381997] 1*2048kB (M) [ 413.385097] ? mark_held_locks+0x130/0x130 [ 413.389122] 3*4096kB (M) [ 413.391185] ? check_preemption_disabled+0x48/0x280 [ 413.395485] = 15908kB [ 413.395492] Node 0 [ 413.398244] ? zap_class+0x640/0x640 [ 413.402441] DMA32: 5*4kB [ 413.405200] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 413.410189] (UM) [ 413.412585] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.414787] 1*8kB (H) [ 413.418493] ? check_preemption_disabled+0x48/0x280 [ 413.421223] 2*16kB (M) [ 413.425979] ? __lock_is_held+0xb5/0x140 [ 413.428008] 3*32kB (M) [ 413.433537] __alloc_pages_nodemask+0xa80/0xde0 [ 413.435999] 3*64kB (MH) [ 413.441010] ? zap_class+0x640/0x640 [ 413.443579] 4*128kB [ 413.447628] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 413.450180] (M) [ 413.454847] ? find_held_lock+0x36/0x1c0 [ 413.457483] 5*256kB (UMH) [ 413.461198] ? ____cache_alloc_node+0x1c7/0x1e0 [ 413.463493] 5*512kB [ 413.468491] ? lock_downgrade+0x900/0x900 [ 413.470440] (UMH) [ 413.474492] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.477304] 4*1024kB [ 413.481961] cache_grow_begin+0xa5/0x8c0 [ 413.484257] (UMH) [ 413.488387] ? do_raw_spin_unlock+0xa7/0x330 [ 413.490530] 2*2048kB [ 413.496059] fallback_alloc+0x204/0x2e0 [ 413.498436] (UM) [ 413.502485] ____cache_alloc_node+0x1c7/0x1e0 [ 413.504604] 3*4096kB [ 413.509520] kmem_cache_alloc_node+0xe3/0x730 [ 413.511901] (M) [ 413.515862] ? lockdep_hardirqs_on+0x296/0x5b0 [ 413.517889] = 25180kB [ 413.517896] Node 0 [ 413.522392] __alloc_skb+0x119/0x770 [ 413.524766] Normal: 1917*4kB [ 413.529257] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 413.531197] (UME) 392*8kB [ 413.535770] ? netdev_alloc_frag+0x1f0/0x1f0 [ 413.538145] (UME) 105*16kB [ 413.540380] ? vprintk_default+0x28/0x30 [ 413.544055] (UME) 43*32kB [ 413.547152] ? vprintk_func+0x85/0x181 [ 413.552489] (UM) [ 413.555316] ? printk+0xa7/0xcf [ 413.559698] 1*64kB [ 413.562614] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 413.566648] (U) 0*128kB 0*256kB [ 413.569502] new_skb+0x26/0x1c0 [ 413.573351] 0*512kB [ 413.575402] aoecmd_cfg+0x279/0x7f0 [ 413.578659] 0*1024kB [ 413.580889] ? find_held_lock+0x36/0x1c0 [ 413.585611] 0*2048kB 0*4096kB [ 413.588986] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 413.592230] = 13924kB [ 413.592243] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 413.594549] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.598152] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 413.600545] ? __lock_is_held+0xb5/0x140 [ 413.604569] 7036 total pagecache pages [ 413.607764] discover_timer+0x50/0x60 [ 413.612054] 0 pages in swap cache [ 413.614445] call_timer_fn+0x272/0x920 [ 413.623255] Swap cache stats: add 0, delete 0, find 0/0 [ 413.628777] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 413.637321] Free swap = 0kB [ 413.641364] ? process_timeout+0x40/0x40 [ 413.645217] Total swap = 0kB [ 413.645224] 1965979 pages RAM [ 413.649033] ? __run_timers+0x7da/0xc70 [ 413.652449] 0 pages HighMem/MovableOnly [ 413.652456] 342867 pages reserved [ 413.656329] ? _raw_spin_unlock_irq+0x27/0x80 [ 413.661662] 0 pages cma reserved [ 413.666492] ? _raw_spin_unlock_irq+0x27/0x80 [ 413.669544] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 413.673523] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 413.673537] ? lockdep_hardirqs_on+0x296/0x5b0 [ 413.673553] ? trace_hardirqs_on+0xbd/0x310 [ 413.677134] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 413.680179] ? kasan_check_read+0x11/0x20 [ 413.684123] syz-fuzzer cpuset= [ 413.688084] ? __run_timers+0x7da/0xc70 [ 413.691506] / [ 413.695988] ? trace_hardirqs_off_caller+0x310/0x310 [ 413.699328] mems_allowed=0 [ 413.703821] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 413.759988] __run_timers+0x7e5/0xc70 [ 413.763795] ? timer_fixup_init+0x70/0x70 [ 413.767937] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 413.772947] ? zap_class+0x640/0x640 [ 413.776667] ? enqueue_hrtimer+0x1a5/0x560 [ 413.780899] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 413.786085] ? find_held_lock+0x36/0x1c0 [ 413.790146] ? zap_class+0x640/0x640 [ 413.793858] ? pvclock_read_flags+0x160/0x160 [ 413.798348] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.803881] ? check_preemption_disabled+0x48/0x280 [ 413.808906] ? __lock_is_held+0xb5/0x140 [ 413.812965] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.818491] ? check_preemption_disabled+0x48/0x280 [ 413.823503] run_timer_softirq+0x52/0xb0 [ 413.827556] ? rcu_read_lock_sched_held+0x14f/0x180 [ 413.832569] __do_softirq+0x308/0xb7e [ 413.836366] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 413.840857] ? lock_downgrade+0x900/0x900 [ 413.845012] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 413.850114] ? pvclock_read_flags+0x160/0x160 [ 413.854629] ? lapic_next_event+0x5a/0x90 [ 413.858778] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.864312] ? kvm_clock_read+0x18/0x30 [ 413.868287] ? kvm_sched_clock_read+0x9/0x20 [ 413.872691] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.878229] ? check_preemption_disabled+0x48/0x280 [ 413.883246] irq_exit+0x17f/0x1c0 [ 413.886692] smp_apic_timer_interrupt+0x1cb/0x760 [ 413.891530] ? smp_reschedule_interrupt+0x109/0x650 [ 413.896540] ? smp_call_function_single_interrupt+0x650/0x650 [ 413.902418] ? interrupt_entry+0xb5/0xc0 [ 413.906472] ? trace_hardirqs_off_caller+0xbb/0x310 [ 413.911480] ? trace_hardirqs_off_caller+0xbb/0x310 [ 413.916491] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 413.921333] ? trace_hardirqs_on_caller+0x310/0x310 [ 413.926345] ? trace_hardirqs_on_caller+0x310/0x310 [ 413.931354] ? task_prio+0x50/0x50 [ 413.934888] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.940418] ? check_preemption_disabled+0x48/0x280 [ 413.945434] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 413.950296] apic_timer_interrupt+0xf/0x20 [ 413.954515] [ 413.956749] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 413.961690] Code: 7e 0f 85 cf fe ff ff e8 f6 d7 3f ff e9 c5 fe ff ff e8 4d a2 c3 ff 48 83 3d a5 50 91 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 6a b1 [ 413.980580] RSP: 0000:ffff88019c63f740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 413.988291] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 413.995551] RDX: 0000000000000000 RSI: ffff8801929e68c0 RDI: 0000000000000286 [ 414.002810] RBP: ffff88019c63f7a8 R08: ffff8801929e6040 R09: 0000000000000000 [ 414.010070] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 414.017330] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020 [ 414.024640] skb_clone+0x1bb/0x500 [ 414.028179] ? finish_task_switch+0x2f4/0x910 [ 414.032668] ? skb_split+0x11e0/0x11e0 [ 414.036667] ? preempt_notifier_register+0x200/0x200 [ 414.041763] ? __switch_to_asm+0x34/0x70 [ 414.045828] ? __switch_to_asm+0x34/0x70 [ 414.049883] ? __switch_to_asm+0x40/0x70 [ 414.053936] ? __switch_to_asm+0x34/0x70 [ 414.058009] ? __switch_to_asm+0x40/0x70 [ 414.062080] ? __switch_to_asm+0x34/0x70 [ 414.066143] ? __switch_to_asm+0x40/0x70 [ 414.070201] ? __switch_to_asm+0x34/0x70 [ 414.074258] ? __switch_to_asm+0x34/0x70 [ 414.078315] ? __switch_to_asm+0x40/0x70 [ 414.082369] ? __switch_to_asm+0x34/0x70 [ 414.086427] bpf_clone_redirect+0xb9/0x490 [ 414.090655] ? __schedule+0x8d7/0x21d0 [ 414.094540] bpf_prog_bebbfe2050753572+0x325/0x1000 [ 414.099554] ? __sched_text_start+0x8/0x8 [ 414.103712] ? find_held_lock+0x36/0x1c0 [ 414.107774] ? lock_acquire+0x1ed/0x520 [ 414.111741] ? bpf_test_run+0x3cb/0x780 [ 414.115710] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.121239] ? check_preemption_disabled+0x48/0x280 [ 414.126251] ? kasan_check_read+0x11/0x20 [ 414.130392] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 414.135663] ? rcu_softirq_qs+0x20/0x20 [ 414.139632] ? preempt_schedule+0x4d/0x60 [ 414.143771] ? ___preempt_schedule+0x16/0x18 [ 414.148178] ? bpf_test_run+0x25d/0x780 [ 414.152156] ? netlink_diag_dump+0x2a0/0x2a0 [ 414.156558] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.162089] ? bpf_test_init.isra.10+0x70/0x100 [ 414.166759] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 414.171520] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 414.176357] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 414.181887] ? fput+0x130/0x1a0 [ 414.185162] ? __bpf_prog_get+0x9b/0x290 [ 414.189218] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 414.194051] ? bpf_prog_test_run+0x130/0x1a0 [ 414.198458] ? __x64_sys_bpf+0x3d8/0x520 [ 414.202513] ? bpf_prog_get+0x20/0x20 [ 414.206329] ? do_syscall_64+0x1b9/0x820 [ 414.210389] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 414.215748] ? syscall_return_slowpath+0x5e0/0x5e0 [ 414.220674] ? trace_hardirqs_on_caller+0x310/0x310 [ 414.225684] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 414.230695] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 414.237362] ? __switch_to_asm+0x40/0x70 [ 414.241418] ? __switch_to_asm+0x34/0x70 [ 414.245477] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 414.250319] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 414.255705] CPU: 1 PID: 5375 Comm: syz-fuzzer Not tainted 4.19.0+ #72 [ 414.255771] aoe: skb alloc failure [ 414.262278] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 414.262285] Call Trace: [ 414.265855] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 414.275144] [ 414.277724] syz-executor0 cpuset= [ 414.288193] dump_stack+0x244/0x39d [ 414.290328] syz0 [ 414.293771] ? dump_stack_print_info.cold.1+0x20/0x20 [ 414.297366] mems_allowed=0 [ 414.299337] warn_alloc.cold.117+0xb7/0x1bd [ 414.311715] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 414.316556] ? lock_downgrade+0x900/0x900 [ 414.320713] ? trace_hardirqs_off+0xb8/0x310 [ 414.325124] ? trace_hardirqs_off+0xb8/0x310 [ 414.329533] __alloc_pages_slowpath+0x2660/0x2d70 [ 414.334395] ? warn_alloc+0x120/0x120 [ 414.338192] ? warn_alloc+0x120/0x120 [ 414.341992] ? print_usage_bug+0xc0/0xc0 [ 414.346055] ? warn_alloc+0x120/0x120 [ 414.349891] ? print_usage_bug+0xc0/0xc0 [ 414.353959] ? __lock_acquire+0x62f/0x4c20 [ 414.358185] ? __lock_acquire+0x62f/0x4c20 [ 414.362439] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.367968] ? should_fail+0x22d/0xd01 [ 414.371853] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 414.376968] ? __lock_acquire+0x62f/0x4c20 [ 414.381202] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 414.386295] ? __lock_acquire+0x62f/0x4c20 [ 414.390525] ? should_fail+0x22d/0xd01 [ 414.394407] ? find_held_lock+0x36/0x1c0 [ 414.398469] ? mark_held_locks+0x130/0x130 [ 414.402701] ? mark_held_locks+0x130/0x130 [ 414.406929] ? zap_class+0x640/0x640 [ 414.410640] ? zap_class+0x640/0x640 [ 414.414350] ? print_usage_bug+0xc0/0xc0 [ 414.418410] ? do_raw_spin_unlock+0xa7/0x330 [ 414.422815] ? zap_class+0x640/0x640 [ 414.426522] ? print_usage_bug+0xc0/0xc0 [ 414.430599] ? wq_watchdog_touch+0x9c/0xfe [ 414.434859] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.440387] ? check_preemption_disabled+0x48/0x280 [ 414.445404] ? __lock_is_held+0xb5/0x140 [ 414.449469] __alloc_pages_nodemask+0xa80/0xde0 [ 414.454144] ? zap_class+0x640/0x640 [ 414.457859] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 414.462879] ? find_held_lock+0x36/0x1c0 [ 414.466956] ? ____cache_alloc_node+0x1c7/0x1e0 [ 414.471643] ? lock_downgrade+0x900/0x900 [ 414.475806] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.481341] cache_grow_begin+0xa5/0x8c0 [ 414.485412] ? do_raw_spin_unlock+0xa7/0x330 [ 414.489823] fallback_alloc+0x204/0x2e0 [ 414.493817] ____cache_alloc_node+0x1c7/0x1e0 [ 414.498319] kmem_cache_alloc_node+0xe3/0x730 [ 414.502813] ? ipv6_get_ifaddr+0x42e/0x620 [ 414.507053] __alloc_skb+0x119/0x770 [ 414.510779] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 414.516056] ? netdev_alloc_frag+0x1f0/0x1f0 [ 414.520468] ? lock_downgrade+0x900/0x900 [ 414.524629] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.530161] ? refcount_sub_and_test_checked+0x203/0x310 [ 414.535631] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 414.541087] ? addrconf_rs_timer+0x690/0x690 [ 414.545501] ndisc_alloc_skb+0x144/0x340 [ 414.549572] ndisc_send_rs+0x331/0x6e0 [ 414.553462] addrconf_rs_timer+0x314/0x690 [ 414.557701] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 414.561942] call_timer_fn+0x272/0x920 [ 414.565824] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 414.570065] ? process_timeout+0x40/0x40 [ 414.574146] ? mark_held_locks+0xc7/0x130 [ 414.578300] ? _raw_spin_unlock_irq+0x27/0x80 [ 414.582793] ? _raw_spin_unlock_irq+0x27/0x80 [ 414.587288] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 414.591518] ? lockdep_hardirqs_on+0x296/0x5b0 [ 414.596099] ? trace_hardirqs_on+0xbd/0x310 [ 414.600415] ? kasan_check_read+0x11/0x20 [ 414.604573] ? __run_timers+0x7da/0xc70 [ 414.608539] ? trace_hardirqs_off_caller+0x310/0x310 [ 414.613648] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 414.617882] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 414.622111] __run_timers+0x7e5/0xc70 [ 414.625906] ? rcu_irq_exit+0x1a2/0x390 [ 414.629899] ? timer_fixup_init+0x70/0x70 [ 414.634040] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.639585] ? check_preemption_disabled+0x48/0x280 [ 414.644612] ? mark_held_locks+0xc7/0x130 [ 414.648757] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 414.653772] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 414.658531] ? retint_kernel+0x2d/0x2d [ 414.662417] ? trace_hardirqs_on_caller+0xc0/0x310 [ 414.667361] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 414.672132] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 414.677583] ? zap_class+0x640/0x640 [ 414.681297] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.686831] ? check_preemption_disabled+0x48/0x280 [ 414.691849] ? __lock_is_held+0xb5/0x140 [ 414.695902] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.701433] ? check_preemption_disabled+0x48/0x280 [ 414.706448] run_timer_softirq+0x52/0xb0 [ 414.710502] ? rcu_read_lock_sched_held+0x14f/0x180 [ 414.715510] __do_softirq+0x308/0xb7e [ 414.719308] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 414.723828] ? lock_downgrade+0x900/0x900 [ 414.727976] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 414.733080] ? pvclock_read_flags+0x160/0x160 [ 414.737576] ? lapic_next_event+0x5a/0x90 [ 414.741729] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.747265] ? kvm_clock_read+0x18/0x30 [ 414.751236] ? kvm_sched_clock_read+0x9/0x20 [ 414.755637] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.761167] ? check_preemption_disabled+0x48/0x280 [ 414.766188] irq_exit+0x17f/0x1c0 [ 414.769635] smp_apic_timer_interrupt+0x1cb/0x760 [ 414.774489] ? smp_reschedule_interrupt+0x109/0x650 [ 414.779621] ? smp_call_function_single_interrupt+0x650/0x650 [ 414.785501] ? interrupt_entry+0xb5/0xc0 [ 414.789563] ? trace_hardirqs_off_caller+0xbb/0x310 [ 414.794573] ? trace_hardirqs_off_caller+0xbb/0x310 [ 414.799587] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 414.804425] ? trace_hardirqs_on_caller+0x310/0x310 [ 414.809435] ? trace_hardirqs_on_caller+0x310/0x310 [ 414.814453] ? task_prio+0x50/0x50 [ 414.817991] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.823522] ? check_preemption_disabled+0x48/0x280 [ 414.828550] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 414.833412] apic_timer_interrupt+0xf/0x20 [ 414.837632] [ 414.839863] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 414.845058] Code: 00 e8 95 31 8e f9 e8 90 e2 bd f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d ea 90 8b 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d c0 90 [ 414.864060] RSP: 0000:ffff8801c4c0e140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 414.871792] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003afce19e [ 414.879069] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d7e70c7c [ 414.886334] RBP: ffff8801c4c0e168 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 414.893594] R10: 0000000000000000 R11: ffff8801d7e70400 R12: dffffc0000000000 [ 414.900869] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478 [ 414.908164] retint_kernel+0x1b/0x2d [ 414.911963] RIP: 0010:dump_stack+0x358/0x39d [ 414.916381] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 91 c1 00 fa 48 83 3d 99 b9 91 01 00 0f 84 63 fe ff ff e8 ee e6 bd f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db e6 bd f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 414.935276] RSP: 0000:ffff8801c4c0e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 414.942979] RAX: ffff8801d7e70400 RBX: 1ffffffff12a3e8e RCX: 1ffff1003afce19e [ 414.950239] RDX: 0000000000000000 RSI: ffffffff87c03ae2 RDI: 0000000000000293 [ 414.957499] RBP: ffff8801c4c0e2c8 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 414.964784] R10: 0000000000000000 R11: ffff8801d7e70400 R12: 1ffff10038981c4c [ 414.972048] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 414.979324] ? dump_stack+0x34f/0x39d [ 414.983145] ? dump_stack_print_info.cold.1+0x20/0x20 [ 414.988337] dump_header+0x27b/0xf72 [ 414.992058] ? mark_held_locks+0x130/0x130 [ 414.996291] ? pagefault_out_of_memory+0x197/0x197 [ 415.001229] ? __lock_acquire+0x62f/0x4c20 [ 415.005457] ? zap_class+0x640/0x640 [ 415.009169] ? percpu_ref_get_many+0x240/0x240 [ 415.013750] ? print_usage_bug+0xc0/0xc0 [ 415.017802] ? print_usage_bug+0xc0/0xc0 [ 415.021883] ? zap_class+0x640/0x640 [ 415.025605] ? print_usage_bug+0xc0/0xc0 [ 415.029670] ? print_usage_bug+0xc0/0xc0 [ 415.033735] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.039276] ? find_held_lock+0x36/0x1c0 [ 415.043341] ? mark_held_locks+0xc7/0x130 [ 415.047486] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 415.052589] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 415.057714] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 415.062293] ? trace_hardirqs_on+0xbd/0x310 [ 415.066629] ? kasan_check_read+0x11/0x20 [ 415.070771] ? ___ratelimit+0x3b4/0x672 [ 415.074736] ? trace_hardirqs_off_caller+0x310/0x310 [ 415.079837] ? trace_hardirqs_on+0x310/0x310 [ 415.084257] ? lock_downgrade+0x900/0x900 [ 415.088408] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 415.093533] ? ___ratelimit+0x3b9/0x672 [ 415.097510] ? idr_get_free+0xec0/0xec0 [ 415.101502] ? find_held_lock+0x36/0x1c0 [ 415.105577] oom_kill_process.cold.27+0x10/0x903 [ 415.110327] ? zap_class+0x640/0x640 [ 415.114040] ? check_preemption_disabled+0x48/0x280 [ 415.119057] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 415.123987] ? kasan_check_read+0x11/0x20 [ 415.128132] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 415.133403] ? oom_evaluate_task+0x540/0x540 [ 415.137822] ? find_held_lock+0x36/0x1c0 [ 415.141883] ? out_of_memory+0x974/0x1430 [ 415.146028] ? lock_downgrade+0x900/0x900 [ 415.150167] ? check_preemption_disabled+0x48/0x280 [ 415.155182] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 415.160110] ? kasan_check_read+0x11/0x20 [ 415.164251] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 415.169528] ? rcu_softirq_qs+0x20/0x20 [ 415.173499] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 415.179035] ? oom_evaluate_task+0x302/0x540 [ 415.183454] out_of_memory+0xa84/0x1430 [ 415.187429] ? oom_killer_disable+0x3a0/0x3a0 [ 415.192029] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 415.196971] ? __mutex_add_waiter+0x2a0/0x2a0 [ 415.201470] __alloc_pages_slowpath+0x22d4/0x2d70 [ 415.206332] ? warn_alloc+0x120/0x120 [ 415.210137] ? rcu_softirq_qs+0x20/0x20 [ 415.214162] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 415.219704] ? should_fail+0x22d/0xd01 [ 415.223587] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 415.228685] ? zap_class+0x640/0x640 [ 415.232421] ? __lock_is_held+0xb5/0x140 [ 415.236489] ? mark_held_locks+0x130/0x130 [ 415.240727] ? lock_release+0xa00/0xa00 [ 415.244715] ? perf_trace_sched_process_exec+0x860/0x860 [ 415.250182] ? __might_sleep+0x95/0x190 [ 415.254153] __alloc_pages_nodemask+0xa80/0xde0 [ 415.258826] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 415.263867] ? __page_cache_alloc+0x191/0x5c0 [ 415.268358] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 415.273279] ? kasan_check_read+0x11/0x20 [ 415.277420] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 415.282691] ? zap_class+0x640/0x640 [ 415.286405] ? zap_class+0x640/0x640 [ 415.290111] ? zap_class+0x640/0x640 [ 415.293822] ? __do_page_cache_readahead+0x7ce/0x980 [ 415.298940] ? find_held_lock+0x36/0x1c0 [ 415.303001] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 415.308560] alloc_pages_current+0x173/0x350 [ 415.312992] __page_cache_alloc+0x38c/0x5c0 [ 415.317334] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 415.322278] ? kasan_check_read+0x11/0x20 [ 415.326439] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 415.331713] ? generic_perform_write+0x6a0/0x6a0 [ 415.336465] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 415.342013] ? check_preemption_disabled+0x48/0x280 [ 415.347036] filemap_fault+0x1594/0x25f0 [ 415.351104] ? __lock_page_or_retry+0xa00/0xa00 [ 415.355767] ? mark_held_locks+0x130/0x130 [ 415.359994] ? rcu_softirq_qs+0x20/0x20 [ 415.363979] ? filemap_map_pages+0xe04/0x1990 [ 415.368487] ? __free_object+0x173/0x340 [ 415.372548] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 415.377469] ? trace_hardirqs_off_caller+0x310/0x310 [ 415.382582] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 415.387258] ? debug_object_free+0x32d/0x690 [ 415.391656] ? kasan_check_read+0x11/0x20 [ 415.395819] ? debug_object_destroy+0x2b0/0x2b0 [ 415.400483] ? lock_pi_update_atomic+0x150/0x150 [ 415.405240] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.410768] ? __hrtimer_init+0xdb/0x240 [ 415.414849] ? lock_acquire+0x1ed/0x520 [ 415.418847] ? ext4_filemap_fault+0x7a/0xad [ 415.423172] ? lock_release+0xa00/0xa00 [ 415.427135] ? perf_trace_sched_process_exec+0x860/0x860 [ 415.432591] ? print_usage_bug+0xc0/0xc0 [ 415.436644] ? print_usage_bug+0xc0/0xc0 [ 415.440741] ? down_read+0x8d/0x120 [ 415.444357] ? ext4_filemap_fault+0x7a/0xad [ 415.448682] ? __down_interruptible+0x700/0x700 [ 415.453357] ext4_filemap_fault+0x82/0xad [ 415.457511] __do_fault+0x100/0x6b0 [ 415.461139] ? pmd_devmap_trans_unstable+0x220/0x220 [ 415.466249] ? mark_held_locks+0x130/0x130 [ 415.470478] ? mark_held_locks+0x130/0x130 [ 415.474717] ? debug_smp_processor_id+0x1c/0x20 [ 415.479390] ? perf_trace_lock+0x14d/0x7a0 [ 415.483624] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 415.489158] __handle_mm_fault+0x307c/0x5920 [ 415.493570] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 415.498411] ? lock_is_held_type+0x210/0x210 [ 415.502838] ? zap_class+0x640/0x640 [ 415.506553] ? zap_class+0x640/0x640 [ 415.510590] ? __x64_sys_futex+0x53e/0x6a0 [ 415.514828] ? find_held_lock+0x36/0x1c0 [ 415.518892] ? handle_mm_fault+0x42a/0xc70 [ 415.523124] ? lock_downgrade+0x900/0x900 [ 415.527264] ? check_preemption_disabled+0x48/0x280 [ 415.532279] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 415.537206] ? kasan_check_read+0x11/0x20 [ 415.541354] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 415.546632] ? rcu_softirq_qs+0x20/0x20 [ 415.550600] ? trace_hardirqs_off_caller+0x310/0x310 [ 415.555702] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 415.561245] ? check_preemption_disabled+0x48/0x280 [ 415.566264] handle_mm_fault+0x54f/0xc70 [ 415.570322] ? __handle_mm_fault+0x5920/0x5920 [ 415.574958] ? find_vma+0x34/0x190 [ 415.578512] __do_page_fault+0x5e8/0xe60 [ 415.582566] ? trace_hardirqs_off+0xb8/0x310 [ 415.586968] ? __ia32_sys_read+0xb0/0xb0 [ 415.591044] do_page_fault+0xf2/0x7e0 [ 415.594847] ? vmalloc_sync_all+0x30/0x30 [ 415.598999] ? error_entry+0x70/0xd0 [ 415.602713] ? trace_hardirqs_off_caller+0xbb/0x310 [ 415.607722] ? trace_hardirqs_on_caller+0xc0/0x310 [ 415.612645] ? syscall_return_slowpath+0x5e0/0x5e0 [ 415.617566] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 415.622403] ? trace_hardirqs_on_caller+0x310/0x310 [ 415.627412] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 415.632864] ? prepare_exit_to_usermode+0x291/0x3b0 [ 415.637872] ? page_fault+0x8/0x30 [ 415.641425] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 415.646263] ? page_fault+0x8/0x30 [ 415.649797] page_fault+0x1e/0x30 [ 415.653240] RIP: 0033:0x45ddf3 [ 415.656443] Code: Bad RIP value. [ 415.659820] RSP: 002b:000000c4200206a0 EFLAGS: 00010206 [ 415.665266] RAX: ffffffffffffff92 RBX: 000000003b974269 RCX: 000000000045ddf3 [ 415.672526] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e1060 [ 415.680317] RBP: 000000c4200206e8 R08: 0000000000000000 R09: 0000000000000000 [ 415.687597] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001 [ 415.694859] R13: 0000000000000007 R14: 0000000000b7f720 R15: 000000000000bdf9 [ 415.702159] CPU: 0 PID: 17787 Comm: syz-executor0 Not tainted 4.19.0+ #72 [ 415.702163] warn_alloc_show_mem: 1 callbacks suppressed [ 415.702168] Mem-Info: [ 415.709102] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 415.709109] Call Trace: [ 415.714487] active_anon:46452 inactive_anon:2315 isolated_anon:0 [ 415.714487] active_file:13 inactive_file:13 isolated_file:0 [ 415.714487] unevictable:0 dirty:0 writeback:0 unstable:0 [ 415.714487] slab_reclaimable:9341 slab_unreclaimable:1470635 [ 415.714487] mapped:24578 shmem:7010 pagetables:528 bounce:0 [ 415.714487] free:13753 free_pcp:603 free_cma:0 [ 415.716871] [ 415.726221] Node 0 active_anon:185808kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:28040kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 415.728811] dump_stack+0x244/0x39d [ 415.761830] Node 0 [ 415.763991] ? dump_stack_print_info.cold.1+0x20/0x20 [ 415.791565] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 415.795166] warn_alloc.cold.117+0xb7/0x1bd [ 415.797360] lowmem_reserve[]: 0 [ 415.802540] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 415.828016] 2818 6321 [ 415.832343] ? lock_downgrade+0x900/0x900 [ 415.835591] 6321 [ 415.840425] ? trace_hardirqs_off+0xb8/0x310 [ 415.842892] Node 0 [ 415.847037] ? trace_hardirqs_off+0xb8/0x310 [ 415.849100] DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 415.853487] __alloc_pages_slowpath+0x2660/0x2d70 [ 415.855687] lowmem_reserve[]: 0 [ 415.860110] ? warn_alloc+0x120/0x120 [ 415.887035] 0 [ 415.891867] ? pvclock_read_flags+0x160/0x160 [ 415.895123] 3503 3503 [ 415.898915] ? warn_alloc+0x120/0x120 [ 415.900698] Node 0 [ 415.905192] ? print_usage_bug+0xc0/0xc0 [ 415.907683] Normal free:13924kB min:37364kB low:46704kB high:56044kB active_anon:183760kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5536kB pagetables:2112kB bounce:0kB free_pcp:2164kB local_pcp:1336kB free_cma:0kB [ 415.911444] ? warn_alloc+0x120/0x120 [ 415.913652] lowmem_reserve[]: 0 [ 415.917714] ? print_usage_bug+0xc0/0xc0 [ 415.946215] 0 0 [ 415.950007] ? ktime_get+0x2c1/0x400 [ 415.953256] 0 [ 415.957307] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.959252] Node 0 [ 415.962953] ? check_preemption_disabled+0x48/0x280 [ 415.964746] DMA: [ 415.970268] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 415.972480] 1*4kB [ 415.977481] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 415.979513] (U) [ 415.983996] ? should_fail+0x22d/0xd01 [ 415.986119] 0*8kB [ 415.991658] ? kasan_check_read+0x11/0x20 [ 415.993601] 0*16kB 1*32kB [ 415.997486] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 415.999603] (U) 2*64kB [ 416.003740] ? __lock_acquire+0x62f/0x4c20 [ 416.006555] (U) 1*128kB [ 416.011665] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 416.014221] (U) [ 416.018446] ? should_fail+0x22d/0xd01 [ 416.021088] 1*256kB [ 416.026175] ? print_usage_bug+0xc0/0xc0 [ 416.028124] (U) [ 416.032000] ? mark_held_locks+0x130/0x130 [ 416.034285] 0*512kB 1*1024kB [ 416.038336] ? mark_held_locks+0x130/0x130 [ 416.040298] (U) [ 416.044518] ? check_preemption_disabled+0x48/0x280 [ 416.047588] 1*2048kB (M) [ 416.051820] ? zap_class+0x640/0x640 [ 416.053768] 3*4096kB [ 416.058768] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 416.061497] (M) [ 416.065211] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.067591] = 15908kB [ 416.072335] ? check_preemption_disabled+0x48/0x280 [ 416.074306] Node 0 [ 416.079837] ? __lock_is_held+0xb5/0x140 [ 416.082209] DMA32: 5*4kB [ 416.087218] __alloc_pages_nodemask+0xa80/0xde0 [ 416.089423] (UM) [ 416.093576] ? zap_class+0x640/0x640 [ 416.096301] 1*8kB (H) [ 416.100963] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 416.102995] 2*16kB (M) [ 416.106718] ? find_held_lock+0x36/0x1c0 [ 416.109174] 3*32kB (M) [ 416.114190] ? ____cache_alloc_node+0x1c7/0x1e0 [ 416.116733] 3*64kB (MH) [ 416.120786] ? lock_downgrade+0x900/0x900 [ 416.123336] 4*128kB (M) [ 416.128019] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.130653] 5*256kB (UMH) [ 416.134798] cache_grow_begin+0xa5/0x8c0 [ 416.137459] 5*512kB [ 416.142980] ? do_raw_spin_unlock+0xa7/0x330 [ 416.145794] (UMH) [ 416.149842] fallback_alloc+0x204/0x2e0 [ 416.152138] 4*1024kB (UMH) [ 416.156544] ____cache_alloc_node+0x1c7/0x1e0 [ 416.158662] 2*2048kB [ 416.162634] kmem_cache_alloc_node+0xe3/0x730 [ 416.165539] (UM) [ 416.170018] ? lockdep_hardirqs_on+0x296/0x5b0 [ 416.172396] 3*4096kB (M) [ 416.176889] __alloc_skb+0x119/0x770 [ 416.178920] = 25180kB [ 416.178927] Node 0 [ 416.183500] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 416.186224] Normal: 1917*4kB [ 416.189931] ? netdev_alloc_frag+0x1f0/0x1f0 [ 416.192317] (UME) [ 416.194543] ? vprintk_default+0x28/0x30 [ 416.199873] 392*8kB [ 416.202966] ? vprintk_func+0x85/0x181 [ 416.207338] (UME) 105*16kB [ 416.209484] ? printk+0xa7/0xcf [ 416.213510] (UME) 43*32kB [ 416.215826] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 416.219681] (UM) [ 416.222610] new_skb+0x26/0x1c0 [ 416.225847] 1*64kB (U) [ 416.228683] aoecmd_cfg+0x279/0x7f0 [ 416.233404] 0*128kB 0*256kB [ 416.235469] ? find_held_lock+0x36/0x1c0 [ 416.238721] 0*512kB [ 416.241293] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 416.244888] 0*1024kB [ 416.247910] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.251944] 0*2048kB [ 416.254260] ? __lock_is_held+0xb5/0x140 [ 416.258542] 0*4096kB = 13924kB [ 416.260952] discover_timer+0x50/0x60 [ 416.266463] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 416.268854] call_timer_fn+0x272/0x920 [ 416.272889] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 416.276061] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 416.279830] 7036 total pagecache pages [ 416.288649] ? process_timeout+0x40/0x40 [ 416.292519] 0 pages in swap cache [ 416.301078] ? __run_timers+0x7da/0xc70 [ 416.305893] Swap cache stats: add 0, delete 0, find 0/0 [ 416.309766] ? _raw_spin_unlock_irq+0x27/0x80 [ 416.313797] Free swap = 0kB [ 416.317235] ? _raw_spin_unlock_irq+0x27/0x80 [ 416.321193] Total swap = 0kB [ 416.326541] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 416.331003] 1965979 pages RAM [ 416.334008] ? lockdep_hardirqs_on+0x296/0x5b0 [ 416.338478] 0 pages HighMem/MovableOnly [ 416.341483] ? trace_hardirqs_on+0xbd/0x310 [ 416.346316] 342867 pages reserved [ 416.349406] ? kasan_check_read+0x11/0x20 [ 416.353956] 0 pages cma reserved [ 416.354042] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 416.357922] ? __run_timers+0x7da/0xc70 [ 416.362294] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 416.365655] ? trace_hardirqs_off_caller+0x310/0x310 [ 416.369773] syz-fuzzer cpuset= [ 416.373136] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 416.379589] / [ 416.383551] __run_timers+0x7e5/0xc70 [ 416.393746] mems_allowed=0 [ 416.398841] ? timer_fixup_init+0x70/0x70 [ 416.419340] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 416.424351] ? zap_class+0x640/0x640 [ 416.428066] ? enqueue_hrtimer+0x1a5/0x560 [ 416.432296] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 416.437491] ? find_held_lock+0x36/0x1c0 [ 416.441550] ? zap_class+0x640/0x640 [ 416.445260] ? pvclock_read_flags+0x160/0x160 [ 416.449759] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.455290] ? check_preemption_disabled+0x48/0x280 [ 416.460308] ? __lock_is_held+0xb5/0x140 [ 416.464366] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.469898] ? check_preemption_disabled+0x48/0x280 [ 416.474915] run_timer_softirq+0x52/0xb0 [ 416.478970] ? rcu_read_lock_sched_held+0x14f/0x180 [ 416.483989] __do_softirq+0x308/0xb7e [ 416.487791] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 416.492283] ? lock_downgrade+0x900/0x900 [ 416.496450] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 416.501555] ? pvclock_read_flags+0x160/0x160 [ 416.506043] ? lapic_next_event+0x5a/0x90 [ 416.510185] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.515807] ? kvm_clock_read+0x18/0x30 [ 416.519774] ? kvm_sched_clock_read+0x9/0x20 [ 416.524179] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.529711] ? check_preemption_disabled+0x48/0x280 [ 416.534728] irq_exit+0x17f/0x1c0 [ 416.538179] smp_apic_timer_interrupt+0x1cb/0x760 [ 416.543015] ? smp_reschedule_interrupt+0x109/0x650 [ 416.548023] ? smp_call_function_single_interrupt+0x650/0x650 [ 416.553900] ? interrupt_entry+0xb5/0xc0 [ 416.557955] ? trace_hardirqs_off_caller+0xbb/0x310 [ 416.562967] ? trace_hardirqs_off_caller+0xbb/0x310 [ 416.567976] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 416.572815] ? trace_hardirqs_on_caller+0x310/0x310 [ 416.577823] ? trace_hardirqs_on_caller+0x310/0x310 [ 416.582830] ? task_prio+0x50/0x50 [ 416.586375] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.591915] ? check_preemption_disabled+0x48/0x280 [ 416.596929] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 416.601775] apic_timer_interrupt+0xf/0x20 [ 416.606001] [ 416.608236] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 416.613172] Code: 7e 0f 85 cf fe ff ff e8 f6 d7 3f ff e9 c5 fe ff ff e8 4d a2 c3 ff 48 83 3d a5 50 91 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 6a b1 [ 416.632153] RSP: 0000:ffff88019c63f740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 416.639858] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 416.647120] RDX: 0000000000000000 RSI: ffff8801929e68c0 RDI: 0000000000000286 [ 416.654383] RBP: ffff88019c63f7a8 R08: ffff8801929e6040 R09: 0000000000000000 [ 416.661669] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 416.668931] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020 [ 416.676223] skb_clone+0x1bb/0x500 [ 416.679774] ? finish_task_switch+0x2f4/0x910 [ 416.684271] ? skb_split+0x11e0/0x11e0 [ 416.688150] ? preempt_notifier_register+0x200/0x200 [ 416.693248] ? __switch_to_asm+0x34/0x70 [ 416.697306] ? __switch_to_asm+0x34/0x70 [ 416.701360] ? __switch_to_asm+0x40/0x70 [ 416.705427] ? __switch_to_asm+0x34/0x70 [ 416.709480] ? __switch_to_asm+0x40/0x70 [ 416.713535] ? __switch_to_asm+0x34/0x70 [ 416.717587] ? __switch_to_asm+0x40/0x70 [ 416.721643] ? __switch_to_asm+0x34/0x70 [ 416.725695] ? __switch_to_asm+0x34/0x70 [ 416.729753] ? __switch_to_asm+0x40/0x70 [ 416.733803] ? __switch_to_asm+0x34/0x70 [ 416.737866] bpf_clone_redirect+0xb9/0x490 [ 416.742093] ? __schedule+0x8d7/0x21d0 [ 416.745977] bpf_prog_bebbfe2050753572+0x325/0x1000 [ 416.750987] ? __sched_text_start+0x8/0x8 [ 416.755143] ? find_held_lock+0x36/0x1c0 [ 416.759204] ? lock_acquire+0x1ed/0x520 [ 416.763172] ? bpf_test_run+0x3cb/0x780 [ 416.767140] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.772672] ? check_preemption_disabled+0x48/0x280 [ 416.777685] ? kasan_check_read+0x11/0x20 [ 416.781837] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 416.787111] ? rcu_softirq_qs+0x20/0x20 [ 416.791090] ? preempt_schedule+0x4d/0x60 [ 416.795230] ? ___preempt_schedule+0x16/0x18 [ 416.799640] ? bpf_test_run+0x25d/0x780 [ 416.803618] ? netlink_diag_dump+0x2a0/0x2a0 [ 416.808024] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 416.813554] ? bpf_test_init.isra.10+0x70/0x100 [ 416.818234] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 416.822990] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 416.827824] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 416.833356] ? fput+0x130/0x1a0 [ 416.836650] ? __bpf_prog_get+0x9b/0x290 [ 416.840708] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 416.845545] ? bpf_prog_test_run+0x130/0x1a0 [ 416.849951] ? __x64_sys_bpf+0x3d8/0x520 [ 416.854012] ? bpf_prog_get+0x20/0x20 [ 416.857826] ? do_syscall_64+0x1b9/0x820 [ 416.861878] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 416.867234] ? syscall_return_slowpath+0x5e0/0x5e0 [ 416.872161] ? trace_hardirqs_on_caller+0x310/0x310 [ 416.877172] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 416.882182] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 416.888843] ? __switch_to_asm+0x40/0x70 [ 416.892898] ? __switch_to_asm+0x34/0x70 [ 416.896958] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 416.901806] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 416.907182] CPU: 1 PID: 5375 Comm: syz-fuzzer Not tainted 4.19.0+ #72 [ 416.907244] aoe: skb alloc failure [ 416.913759] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 416.913765] Call Trace: [ 416.913769] [ 416.913785] dump_stack+0x244/0x39d [ 416.913803] ? dump_stack_print_info.cold.1+0x20/0x20 [ 416.917340] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 416.926671] warn_alloc.cold.117+0xb7/0x1bd [ 416.929218] syz-executor0 cpuset= [ 416.931353] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 416.934949] syz0 [ 416.940124] ? lock_downgrade+0x900/0x900 [ 416.950583] mems_allowed=0 [ 416.954896] ? trace_hardirqs_off+0xb8/0x310 [ 416.976536] ? trace_hardirqs_off+0xb8/0x310 [ 416.980945] __alloc_pages_slowpath+0x2660/0x2d70 [ 416.985809] ? warn_alloc+0x120/0x120 [ 416.989608] ? zap_class+0x640/0x640 [ 416.993334] ? warn_alloc+0x120/0x120 [ 416.997137] ? print_usage_bug+0xc0/0xc0 [ 417.001213] ? warn_alloc+0x120/0x120 [ 417.005006] ? print_usage_bug+0xc0/0xc0 [ 417.009061] ? __lock_acquire+0x62f/0x4c20 [ 417.013290] ? __lock_acquire+0x62f/0x4c20 [ 417.017530] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.023064] ? should_fail+0x22d/0xd01 [ 417.026949] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 417.032062] ? __lock_acquire+0x62f/0x4c20 [ 417.036309] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 417.041403] ? __lock_acquire+0x62f/0x4c20 [ 417.045641] ? should_fail+0x22d/0xd01 [ 417.049530] ? mark_held_locks+0x130/0x130 [ 417.053764] ? mark_held_locks+0x130/0x130 [ 417.057995] ? zap_class+0x640/0x640 [ 417.061709] ? zap_class+0x640/0x640 [ 417.065421] ? print_usage_bug+0xc0/0xc0 [ 417.069474] ? wq_watchdog_touch+0x9c/0xfe [ 417.073704] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.079233] ? check_preemption_disabled+0x48/0x280 [ 417.084269] ? __lock_is_held+0xb5/0x140 [ 417.088343] __alloc_pages_nodemask+0xa80/0xde0 [ 417.093010] ? zap_class+0x640/0x640 [ 417.096722] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 417.101744] ? find_held_lock+0x36/0x1c0 [ 417.105829] ? ____cache_alloc_node+0x1c7/0x1e0 [ 417.110493] ? lock_downgrade+0x900/0x900 [ 417.114643] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.120182] cache_grow_begin+0xa5/0x8c0 [ 417.124237] ? do_raw_spin_unlock+0xa7/0x330 [ 417.128648] fallback_alloc+0x204/0x2e0 [ 417.132622] ____cache_alloc_node+0x1c7/0x1e0 [ 417.137118] kmem_cache_alloc_node+0xe3/0x730 [ 417.141605] ? ipv6_get_ifaddr+0x42e/0x620 [ 417.145841] __alloc_skb+0x119/0x770 [ 417.149551] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 417.154824] ? netdev_alloc_frag+0x1f0/0x1f0 [ 417.159226] ? lock_downgrade+0x900/0x900 [ 417.163381] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.168917] ? refcount_sub_and_test_checked+0x203/0x310 [ 417.174373] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 417.179822] ? addrconf_rs_timer+0x690/0x690 [ 417.184237] ndisc_alloc_skb+0x144/0x340 [ 417.188308] ndisc_send_rs+0x331/0x6e0 [ 417.192197] addrconf_rs_timer+0x314/0x690 [ 417.196434] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 417.200672] call_timer_fn+0x272/0x920 [ 417.204553] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 417.208782] ? process_timeout+0x40/0x40 [ 417.212846] ? mark_held_locks+0xc7/0x130 [ 417.216999] ? _raw_spin_unlock_irq+0x27/0x80 [ 417.221488] ? _raw_spin_unlock_irq+0x27/0x80 [ 417.225974] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 417.230204] ? lockdep_hardirqs_on+0x296/0x5b0 [ 417.234785] ? trace_hardirqs_on+0xbd/0x310 [ 417.239119] ? kasan_check_read+0x11/0x20 [ 417.243262] ? __run_timers+0x7da/0xc70 [ 417.247231] ? trace_hardirqs_off_caller+0x310/0x310 [ 417.252338] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 417.256581] __run_timers+0x7e5/0xc70 [ 417.260380] ? rcu_irq_exit+0x1a2/0x390 [ 417.264364] ? timer_fixup_init+0x70/0x70 [ 417.268511] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.274043] ? check_preemption_disabled+0x48/0x280 [ 417.279060] ? mark_held_locks+0xc7/0x130 [ 417.283199] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 417.288216] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 417.292970] ? retint_kernel+0x2d/0x2d [ 417.296871] ? trace_hardirqs_on_caller+0xc0/0x310 [ 417.301803] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 417.306554] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 417.311998] ? zap_class+0x640/0x640 [ 417.315719] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.321253] ? check_preemption_disabled+0x48/0x280 [ 417.326271] ? __lock_is_held+0xb5/0x140 [ 417.330353] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.335883] ? check_preemption_disabled+0x48/0x280 [ 417.340901] run_timer_softirq+0x52/0xb0 [ 417.344955] ? rcu_read_lock_sched_held+0x14f/0x180 [ 417.349965] __do_softirq+0x308/0xb7e [ 417.353765] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 417.358251] ? lock_downgrade+0x900/0x900 [ 417.362398] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 417.367512] ? pvclock_read_flags+0x160/0x160 [ 417.372002] ? lapic_next_event+0x5a/0x90 [ 417.376145] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.381681] ? kvm_clock_read+0x18/0x30 [ 417.385666] ? kvm_sched_clock_read+0x9/0x20 [ 417.390070] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.395604] ? check_preemption_disabled+0x48/0x280 [ 417.400622] irq_exit+0x17f/0x1c0 [ 417.404072] smp_apic_timer_interrupt+0x1cb/0x760 [ 417.408906] ? smp_reschedule_interrupt+0x109/0x650 [ 417.413920] ? smp_call_function_single_interrupt+0x650/0x650 [ 417.419799] ? interrupt_entry+0xb5/0xc0 [ 417.423863] ? trace_hardirqs_off_caller+0xbb/0x310 [ 417.428874] ? trace_hardirqs_off_caller+0xbb/0x310 [ 417.433881] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 417.438719] ? trace_hardirqs_on_caller+0x310/0x310 [ 417.443740] ? trace_hardirqs_on_caller+0x310/0x310 [ 417.448753] ? task_prio+0x50/0x50 [ 417.452288] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.457816] ? check_preemption_disabled+0x48/0x280 [ 417.462831] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 417.467681] apic_timer_interrupt+0xf/0x20 [ 417.471902] [ 417.474141] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 417.479330] Code: 00 e8 95 31 8e f9 e8 90 e2 bd f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d ea 90 8b 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d c0 90 [ 417.498227] RSP: 0000:ffff8801c4c0e140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 417.505930] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003afce19e [ 417.513421] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d7e70c7c [ 417.520684] RBP: ffff8801c4c0e168 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 417.527945] R10: 0000000000000000 R11: ffff8801d7e70400 R12: dffffc0000000000 [ 417.535206] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478 [ 417.542499] retint_kernel+0x1b/0x2d [ 417.546212] RIP: 0010:dump_stack+0x358/0x39d [ 417.550615] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 91 c1 00 fa 48 83 3d 99 b9 91 01 00 0f 84 63 fe ff ff e8 ee e6 bd f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db e6 bd f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 417.569511] RSP: 0000:ffff8801c4c0e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 417.577216] RAX: ffff8801d7e70400 RBX: 1ffffffff12a3e8e RCX: 1ffff1003afce19e [ 417.584495] RDX: 0000000000000000 RSI: ffffffff87c03ae2 RDI: 0000000000000293 [ 417.591771] RBP: ffff8801c4c0e2c8 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 417.599034] R10: 0000000000000000 R11: ffff8801d7e70400 R12: 1ffff10038981c4c [ 417.606301] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 417.613587] ? dump_stack+0x34f/0x39d [ 417.617389] ? dump_stack_print_info.cold.1+0x20/0x20 [ 417.622599] dump_header+0x27b/0xf72 [ 417.626327] ? mark_held_locks+0x130/0x130 [ 417.630560] ? pagefault_out_of_memory+0x197/0x197 [ 417.635487] ? __lock_acquire+0x62f/0x4c20 [ 417.639718] ? zap_class+0x640/0x640 [ 417.643432] ? percpu_ref_get_many+0x240/0x240 [ 417.648010] ? print_usage_bug+0xc0/0xc0 [ 417.652067] ? print_usage_bug+0xc0/0xc0 [ 417.656129] ? zap_class+0x640/0x640 [ 417.659840] ? print_usage_bug+0xc0/0xc0 [ 417.663896] ? print_usage_bug+0xc0/0xc0 [ 417.667958] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.673492] ? find_held_lock+0x36/0x1c0 [ 417.678035] ? mark_held_locks+0xc7/0x130 [ 417.682182] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 417.687279] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 417.692382] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 417.696963] ? trace_hardirqs_on+0xbd/0x310 [ 417.701281] ? kasan_check_read+0x11/0x20 [ 417.705476] ? ___ratelimit+0x3b4/0x672 [ 417.709453] ? trace_hardirqs_off_caller+0x310/0x310 [ 417.714550] ? trace_hardirqs_on+0x310/0x310 [ 417.718956] ? lock_downgrade+0x900/0x900 [ 417.723109] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 417.728216] ? ___ratelimit+0x3b9/0x672 [ 417.732277] ? idr_get_free+0xec0/0xec0 [ 417.736248] ? find_held_lock+0x36/0x1c0 [ 417.740321] oom_kill_process.cold.27+0x10/0x903 [ 417.745072] ? zap_class+0x640/0x640 [ 417.748782] ? check_preemption_disabled+0x48/0x280 [ 417.753802] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 417.758728] ? kasan_check_read+0x11/0x20 [ 417.762868] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 417.768138] ? oom_evaluate_task+0x540/0x540 [ 417.772545] ? find_held_lock+0x36/0x1c0 [ 417.776605] ? out_of_memory+0x974/0x1430 [ 417.780748] ? lock_downgrade+0x900/0x900 [ 417.784890] ? check_preemption_disabled+0x48/0x280 [ 417.789905] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 417.794829] ? kasan_check_read+0x11/0x20 [ 417.798974] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 417.804250] ? rcu_softirq_qs+0x20/0x20 [ 417.808239] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.813788] ? oom_evaluate_task+0x302/0x540 [ 417.818201] out_of_memory+0xa84/0x1430 [ 417.822177] ? oom_killer_disable+0x3a0/0x3a0 [ 417.826670] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 417.831596] ? __mutex_add_waiter+0x2a0/0x2a0 [ 417.836096] __alloc_pages_slowpath+0x22d4/0x2d70 [ 417.840960] ? warn_alloc+0x120/0x120 [ 417.844753] ? rcu_softirq_qs+0x20/0x20 [ 417.848749] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.854279] ? should_fail+0x22d/0xd01 [ 417.858175] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 417.863274] ? zap_class+0x640/0x640 [ 417.867005] ? __lock_is_held+0xb5/0x140 [ 417.871066] ? mark_held_locks+0x130/0x130 [ 417.875303] ? lock_release+0xa00/0xa00 [ 417.879273] ? perf_trace_sched_process_exec+0x860/0x860 [ 417.884733] ? __might_sleep+0x95/0x190 [ 417.888705] __alloc_pages_nodemask+0xa80/0xde0 [ 417.893378] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 417.898393] ? __page_cache_alloc+0x191/0x5c0 [ 417.902881] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 417.907810] ? kasan_check_read+0x11/0x20 [ 417.911954] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 417.917239] ? zap_class+0x640/0x640 [ 417.920951] ? zap_class+0x640/0x640 [ 417.924658] ? zap_class+0x640/0x640 [ 417.928371] ? __do_page_cache_readahead+0x7ce/0x980 [ 417.933824] ? find_held_lock+0x36/0x1c0 [ 417.937882] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 417.943422] alloc_pages_current+0x173/0x350 [ 417.947836] __page_cache_alloc+0x38c/0x5c0 [ 417.952151] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 417.957072] ? kasan_check_read+0x11/0x20 [ 417.961214] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 417.966488] ? generic_perform_write+0x6a0/0x6a0 [ 417.971241] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.976773] ? check_preemption_disabled+0x48/0x280 [ 417.981809] filemap_fault+0x1594/0x25f0 [ 417.985875] ? __lock_page_or_retry+0xa00/0xa00 [ 417.990537] ? mark_held_locks+0x130/0x130 [ 417.994765] ? rcu_softirq_qs+0x20/0x20 [ 417.998756] ? filemap_map_pages+0xe04/0x1990 [ 418.003255] ? __free_object+0x173/0x340 [ 418.007326] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 418.012249] ? trace_hardirqs_off_caller+0x310/0x310 [ 418.017347] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 418.022025] ? debug_object_free+0x32d/0x690 [ 418.026427] ? kasan_check_read+0x11/0x20 [ 418.030583] ? debug_object_destroy+0x2b0/0x2b0 [ 418.035245] ? lock_pi_update_atomic+0x150/0x150 [ 418.040004] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.045551] ? __hrtimer_init+0xdb/0x240 [ 418.049615] ? lock_acquire+0x1ed/0x520 [ 418.053587] ? ext4_filemap_fault+0x7a/0xad [ 418.057910] ? lock_release+0xa00/0xa00 [ 418.061880] ? perf_trace_sched_process_exec+0x860/0x860 [ 418.067326] ? print_usage_bug+0xc0/0xc0 [ 418.071382] ? print_usage_bug+0xc0/0xc0 [ 418.075449] ? down_read+0x8d/0x120 [ 418.079069] ? ext4_filemap_fault+0x7a/0xad [ 418.083386] ? __down_interruptible+0x700/0x700 [ 418.088068] ext4_filemap_fault+0x82/0xad [ 418.092211] __do_fault+0x100/0x6b0 [ 418.095841] ? pmd_devmap_trans_unstable+0x220/0x220 [ 418.100944] ? mark_held_locks+0x130/0x130 [ 418.105175] ? mark_held_locks+0x130/0x130 [ 418.109405] ? debug_smp_processor_id+0x1c/0x20 [ 418.114065] ? perf_trace_lock+0x14d/0x7a0 [ 418.118303] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 418.123843] __handle_mm_fault+0x307c/0x5920 [ 418.128255] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 418.133096] ? lock_is_held_type+0x210/0x210 [ 418.137599] ? zap_class+0x640/0x640 [ 418.141306] ? zap_class+0x640/0x640 [ 418.145016] ? __x64_sys_futex+0x53e/0x6a0 [ 418.149278] ? find_held_lock+0x36/0x1c0 [ 418.153345] ? handle_mm_fault+0x42a/0xc70 [ 418.157588] ? lock_downgrade+0x900/0x900 [ 418.161751] ? check_preemption_disabled+0x48/0x280 [ 418.166773] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 418.171702] ? kasan_check_read+0x11/0x20 [ 418.175867] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 418.181152] ? rcu_softirq_qs+0x20/0x20 [ 418.185121] ? trace_hardirqs_off_caller+0x310/0x310 [ 418.190220] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 418.195770] ? check_preemption_disabled+0x48/0x280 [ 418.200796] handle_mm_fault+0x54f/0xc70 [ 418.204855] ? __handle_mm_fault+0x5920/0x5920 [ 418.209433] ? find_vma+0x34/0x190 [ 418.212974] __do_page_fault+0x5e8/0xe60 [ 418.217028] ? trace_hardirqs_off+0xb8/0x310 [ 418.221430] ? __ia32_sys_read+0xb0/0xb0 [ 418.225492] do_page_fault+0xf2/0x7e0 [ 418.229298] ? vmalloc_sync_all+0x30/0x30 [ 418.233439] ? error_entry+0x70/0xd0 [ 418.237147] ? trace_hardirqs_off_caller+0xbb/0x310 [ 418.242157] ? trace_hardirqs_on_caller+0xc0/0x310 [ 418.247081] ? syscall_return_slowpath+0x5e0/0x5e0 [ 418.252005] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 418.256845] ? trace_hardirqs_on_caller+0x310/0x310 [ 418.261856] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 418.267310] ? prepare_exit_to_usermode+0x291/0x3b0 [ 418.272319] ? page_fault+0x8/0x30 [ 418.275856] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 418.280696] ? page_fault+0x8/0x30 [ 418.284236] page_fault+0x1e/0x30 [ 418.287685] RIP: 0033:0x45ddf3 [ 418.290884] Code: Bad RIP value. [ 418.294328] RSP: 002b:000000c4200206a0 EFLAGS: 00010206 [ 418.299685] RAX: ffffffffffffff92 RBX: 000000003b974269 RCX: 000000000045ddf3 [ 418.306952] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e1060 [ 418.314212] RBP: 000000c4200206e8 R08: 0000000000000000 R09: 0000000000000000 [ 418.321477] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001 [ 418.328744] R13: 0000000000000007 R14: 0000000000b7f720 R15: 000000000000bdf9 [ 418.336028] warn_alloc_show_mem: 1 callbacks suppressed [ 418.336038] CPU: 0 PID: 17787 Comm: syz-executor0 Not tainted 4.19.0+ #72 [ 418.336039] Mem-Info: [ 418.336068] active_anon:46452 inactive_anon:2315 isolated_anon:0 [ 418.336068] active_file:13 inactive_file:13 isolated_file:0 [ 418.336068] unevictable:0 dirty:0 writeback:0 unstable:0 [ 418.336068] slab_reclaimable:9341 slab_unreclaimable:1470635 [ 418.336068] mapped:24578 shmem:7010 pagetables:528 bounce:0 [ 418.336068] free:13753 free_pcp:603 free_cma:0 [ 418.341401] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 418.341408] Call Trace: [ 418.348335] Node 0 active_anon:185808kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:28040kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 418.350723] [ 418.383765] Node 0 [ 418.393109] dump_stack+0x244/0x39d [ 418.395689] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 418.423239] ? dump_stack_print_info.cold.1+0x20/0x20 [ 418.425366] lowmem_reserve[]: [ 418.427601] warn_alloc.cold.117+0xb7/0x1bd [ 418.431191] 0 [ 418.456679] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 418.461831] 2818 6321 [ 418.464947] ? lock_downgrade+0x900/0x900 [ 418.469230] 6321 [ 418.471034] ? trace_hardirqs_off+0xb8/0x310 [ 418.475845] Node 0 [ 418.478333] ? trace_hardirqs_off+0xb8/0x310 [ 418.482470] DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 418.484502] __alloc_pages_slowpath+0x2660/0x2d70 [ 418.488873] lowmem_reserve[]: 0 [ 418.491123] ? native_queued_spin_lock_slowpath+0x1ec/0x13d0 [ 418.495485] 0 [ 418.522447] ? warn_alloc+0x120/0x120 [ 418.527266] 3503 [ 418.530533] ? __lock_acquire+0x62f/0x4c20 [ 418.536301] 3503 [ 418.538090] ? __lock_acquire+0x62f/0x4c20 [ 418.541860] Node 0 [ 418.543910] ? warn_alloc+0x120/0x120 [ 418.548137] Normal free:13924kB min:37364kB low:46704kB high:56044kB active_anon:183760kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5536kB pagetables:2112kB bounce:0kB free_pcp:2164kB local_pcp:1336kB free_cma:0kB [ 418.550166] ? print_usage_bug+0xc0/0xc0 [ 418.554363] lowmem_reserve[]: 0 [ 418.556591] ? warn_alloc+0x120/0x120 [ 418.560357] 0 0 [ 418.588885] ? print_usage_bug+0xc0/0xc0 [ 418.592913] 0 [ 418.596187] ? mark_held_locks+0x130/0x130 [ 418.599961] Node 0 [ 418.601927] ? mark_held_locks+0x130/0x130 [ 418.605962] DMA: 1*4kB [ 418.607757] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 418.607772] ? should_fail+0x22d/0xd01 [ 418.611977] (U) [ 418.614198] ? zap_class+0x640/0x640 [ 418.618401] 0*8kB 0*16kB [ 418.620979] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 418.626480] 1*32kB (U) [ 418.630358] ? __lock_acquire+0x62f/0x4c20 [ 418.632306] 2*64kB [ 418.636007] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 418.638733] (U) [ 418.643823] ? should_fail+0x22d/0xd01 [ 418.646374] 1*128kB (U) [ 418.650606] ? mark_held_locks+0x130/0x130 [ 418.652808] 1*256kB (U) [ 418.657904] ? mark_held_locks+0x130/0x130 [ 418.659862] 0*512kB 1*1024kB [ 418.663742] ? lock_downgrade+0x900/0x900 [ 418.666385] (U) 1*2048kB [ 418.670611] ? zap_class+0x640/0x640 [ 418.673254] (M) [ 418.677471] ? zap_class+0x640/0x640 [ 418.680549] 3*4096kB [ 418.684679] ? zap_class+0x640/0x640 [ 418.687409] (M) [ 418.691108] ? do_raw_spin_unlock+0xa7/0x330 [ 418.693056] = 15908kB [ 418.693062] Node 0 [ 418.696782] ? trace_hardirqs_on+0x310/0x310 [ 418.699161] DMA32: 5*4kB [ 418.702869] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.704814] (UM) [ 418.709210] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.711590] 1*8kB (H) [ 418.713821] ? check_preemption_disabled+0x48/0x280 [ 418.718196] 2*16kB (M) [ 418.720955] ? __lock_is_held+0xb5/0x140 [ 418.726451] 3*32kB (M) [ 418.728522] __alloc_pages_nodemask+0xa80/0xde0 [ 418.734030] 3*64kB (MH) [ 418.736519] ? zap_class+0x640/0x640 [ 418.741506] 4*128kB [ 418.744075] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 418.748105] (M) [ 418.750685] ? find_held_lock+0x36/0x1c0 [ 418.755315] 5*256kB (UMH) [ 418.757986] ? ____cache_alloc_node+0x1c7/0x1e0 [ 418.761661] 5*512kB (UMH) [ 418.763979] ? lock_downgrade+0x900/0x900 [ 418.768963] 4*1024kB (UMH) [ 418.770936] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.774963] 2*2048kB (UM) [ 418.777804] cache_grow_begin+0xa5/0x8c0 [ 418.782438] 3*4096kB (M) [ 418.785277] ? do_raw_spin_unlock+0xa7/0x330 [ 418.789390] = 25180kB [ 418.789397] Node 0 [ 418.792320] fallback_alloc+0x204/0x2e0 [ 418.797819] Normal: 1917*4kB [ 418.800660] ____cache_alloc_node+0x1c7/0x1e0 [ 418.804688] (UME) [ 418.807452] kmem_cache_alloc_node+0xe3/0x730 [ 418.811917] 392*8kB (UME) [ 418.814319] ? lockdep_hardirqs_on+0x296/0x5b0 [ 418.816541] 105*16kB (UME) [ 418.820516] __alloc_skb+0x119/0x770 [ 418.823590] 43*32kB [ 418.828069] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 418.830188] (UM) [ 418.834670] ? netdev_alloc_frag+0x1f0/0x1f0 [ 418.837487] 1*64kB (U) [ 418.842066] ? vprintk_default+0x28/0x30 [ 418.844965] 0*128kB 0*256kB [ 418.848670] ? vprintk_func+0x85/0x181 [ 418.850981] 0*512kB [ 418.856329] ? printk+0xa7/0xcf [ 418.858362] 0*1024kB 0*2048kB [ 418.862780] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 418.865331] 0*4096kB = 13924kB [ 418.869389] new_skb+0x26/0x1c0 [ 418.872379] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 418.876252] aoecmd_cfg+0x279/0x7f0 [ 418.878550] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 418.881807] ? find_held_lock+0x36/0x1c0 [ 418.884972] 7036 total pagecache pages [ 418.889714] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 418.892885] 0 pages in swap cache [ 418.896146] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.904955] Swap cache stats: add 0, delete 0, find 0/0 [ 418.908572] ? __lock_is_held+0xb5/0x140 [ 418.917111] Free swap = 0kB [ 418.921165] discover_timer+0x50/0x60 [ 418.925015] Total swap = 0kB [ 418.929323] call_timer_fn+0x272/0x920 [ 418.932749] 1965979 pages RAM [ 418.938271] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 418.943599] 0 pages HighMem/MovableOnly [ 418.943607] 342867 pages reserved [ 418.947653] ? process_timeout+0x40/0x40 [ 418.950642] 0 pages cma reserved [ 418.954434] ? __run_timers+0x7da/0xc70 [ 418.957485] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 418.961297] ? _raw_spin_unlock_irq+0x27/0x80 [ 418.964453] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 418.969211] ? _raw_spin_unlock_irq+0x27/0x80 [ 418.973162] syz-fuzzer cpuset= [ 418.976596] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 418.976611] ? lockdep_hardirqs_on+0x296/0x5b0 [ 418.980642] / [ 418.983992] ? trace_hardirqs_on+0xbd/0x310 [ 418.987936] mems_allowed=0 [ 418.994411] ? kasan_check_read+0x11/0x20 [ 419.039158] ? __run_timers+0x7da/0xc70 [ 419.043130] ? trace_hardirqs_off_caller+0x310/0x310 [ 419.048253] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 419.053089] __run_timers+0x7e5/0xc70 [ 419.056893] ? timer_fixup_init+0x70/0x70 [ 419.061036] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 419.066046] ? zap_class+0x640/0x640 [ 419.069755] ? enqueue_hrtimer+0x1a5/0x560 [ 419.073985] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 419.079221] ? find_held_lock+0x36/0x1c0 [ 419.083280] ? zap_class+0x640/0x640 [ 419.086995] ? pvclock_read_flags+0x160/0x160 [ 419.091488] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.097021] ? check_preemption_disabled+0x48/0x280 [ 419.102037] ? __lock_is_held+0xb5/0x140 [ 419.106092] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.111628] ? check_preemption_disabled+0x48/0x280 [ 419.116642] run_timer_softirq+0x52/0xb0 [ 419.120694] ? rcu_read_lock_sched_held+0x14f/0x180 [ 419.125704] __do_softirq+0x308/0xb7e [ 419.129503] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 419.133989] ? lock_downgrade+0x900/0x900 [ 419.138136] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 419.143242] ? pvclock_read_flags+0x160/0x160 [ 419.147731] ? lapic_next_event+0x5a/0x90 [ 419.151878] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.157411] ? kvm_clock_read+0x18/0x30 [ 419.161378] ? kvm_sched_clock_read+0x9/0x20 [ 419.165779] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.171309] ? check_preemption_disabled+0x48/0x280 [ 419.176327] irq_exit+0x17f/0x1c0 [ 419.179778] smp_apic_timer_interrupt+0x1cb/0x760 [ 419.184614] ? smp_reschedule_interrupt+0x109/0x650 [ 419.189638] ? smp_call_function_single_interrupt+0x650/0x650 [ 419.195517] ? interrupt_entry+0xb5/0xc0 [ 419.199573] ? trace_hardirqs_off_caller+0xbb/0x310 [ 419.204583] ? trace_hardirqs_off_caller+0xbb/0x310 [ 419.209593] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 419.214432] ? trace_hardirqs_on_caller+0x310/0x310 [ 419.219440] ? trace_hardirqs_on_caller+0x310/0x310 [ 419.224452] ? task_prio+0x50/0x50 [ 419.227987] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.233548] ? check_preemption_disabled+0x48/0x280 [ 419.238563] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 419.243406] apic_timer_interrupt+0xf/0x20 [ 419.247625] [ 419.249856] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 419.254778] Code: 7e 0f 85 cf fe ff ff e8 f6 d7 3f ff e9 c5 fe ff ff e8 4d a2 c3 ff 48 83 3d a5 50 91 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 6a b1 [ 419.273668] RSP: 0000:ffff88019c63f740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 419.281369] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 419.288632] RDX: 0000000000000000 RSI: ffff8801929e68c0 RDI: 0000000000000286 [ 419.295894] RBP: ffff88019c63f7a8 R08: ffff8801929e6040 R09: 0000000000000000 [ 419.303154] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 419.310429] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020 [ 419.317723] skb_clone+0x1bb/0x500 [ 419.321260] ? finish_task_switch+0x2f4/0x910 [ 419.325750] ? skb_split+0x11e0/0x11e0 [ 419.329632] ? preempt_notifier_register+0x200/0x200 [ 419.334728] ? __switch_to_asm+0x34/0x70 [ 419.338787] ? __switch_to_asm+0x34/0x70 [ 419.342841] ? __switch_to_asm+0x40/0x70 [ 419.346899] ? __switch_to_asm+0x34/0x70 [ 419.350953] ? __switch_to_asm+0x40/0x70 [ 419.355006] ? __switch_to_asm+0x34/0x70 [ 419.359059] ? __switch_to_asm+0x40/0x70 [ 419.363112] ? __switch_to_asm+0x34/0x70 [ 419.367166] ? __switch_to_asm+0x34/0x70 [ 419.371233] ? __switch_to_asm+0x40/0x70 [ 419.375286] ? __switch_to_asm+0x34/0x70 [ 419.379350] bpf_clone_redirect+0xb9/0x490 [ 419.383580] ? __schedule+0x8d7/0x21d0 [ 419.387466] bpf_prog_bebbfe2050753572+0x325/0x1000 [ 419.392476] ? __sched_text_start+0x8/0x8 [ 419.396629] ? find_held_lock+0x36/0x1c0 [ 419.400692] ? lock_acquire+0x1ed/0x520 [ 419.404661] ? bpf_test_run+0x3cb/0x780 [ 419.408630] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.414162] ? check_preemption_disabled+0x48/0x280 [ 419.419199] ? kasan_check_read+0x11/0x20 [ 419.423343] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 419.428615] ? rcu_softirq_qs+0x20/0x20 [ 419.432584] ? preempt_schedule+0x4d/0x60 [ 419.436725] ? ___preempt_schedule+0x16/0x18 [ 419.441137] ? bpf_test_run+0x25d/0x780 [ 419.445122] ? netlink_diag_dump+0x2a0/0x2a0 [ 419.449526] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 419.455059] ? bpf_test_init.isra.10+0x70/0x100 [ 419.459726] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 419.464486] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 419.469321] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 419.474851] ? fput+0x130/0x1a0 [ 419.478125] ? __bpf_prog_get+0x9b/0x290 [ 419.482205] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 419.487040] ? bpf_prog_test_run+0x130/0x1a0 [ 419.491449] ? __x64_sys_bpf+0x3d8/0x520 [ 419.495507] ? bpf_prog_get+0x20/0x20 [ 419.499322] ? do_syscall_64+0x1b9/0x820 [ 419.503376] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 419.509212] ? syscall_return_slowpath+0x5e0/0x5e0 [ 419.514140] ? trace_hardirqs_on_caller+0x310/0x310 [ 419.519183] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 419.524198] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 419.530861] ? __switch_to_asm+0x40/0x70 [ 419.534915] ? __switch_to_asm+0x34/0x70 [ 419.538979] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 419.543824] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 419.549210] CPU: 1 PID: 5375 Comm: syz-fuzzer Not tainted 4.19.0+ #72 [ 419.549300] aoe: skb alloc failure [ 419.555785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 419.555789] Call Trace: [ 419.555796] [ 419.555811] dump_stack+0x244/0x39d [ 419.555829] ? dump_stack_print_info.cold.1+0x20/0x20 [ 419.559367] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 419.568696] warn_alloc.cold.117+0xb7/0x1bd [ 419.571245] syz-executor0 cpuset= [ 419.573382] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 419.576980] syz0 [ 419.582162] ? lock_downgrade+0x900/0x900 [ 419.592619] mems_allowed=0 [ 419.596931] ? trace_hardirqs_off+0xb8/0x310 [ 419.618593] ? trace_hardirqs_off+0xb8/0x310 [ 419.623005] __alloc_pages_slowpath+0x2660/0x2d70 [ 419.627867] ? warn_alloc+0x120/0x120 [ 419.631675] ? warn_alloc+0x120/0x120 [ 419.635478] ? print_usage_bug+0xc0/0xc0 [ 419.639533] ? warn_alloc+0x120/0x120 [ 419.643329] ? print_usage_bug+0xc0/0xc0 [ 419.647390] ? __lock_acquire+0x62f/0x4c20 [ 419.651623] ? __lock_acquire+0x62f/0x4c20 [ 419.655856] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 419.661388] ? should_fail+0x22d/0xd01 [ 419.665269] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 419.670546] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 419.676181] ? __lock_acquire+0x62f/0x4c20 [ 419.680416] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 419.685512] ? __lock_acquire+0x62f/0x4c20 [ 419.689740] ? should_fail+0x22d/0xd01 [ 419.693639] ? rcu_irq_exit+0x1a2/0x390 [ 419.697624] ? mark_held_locks+0x130/0x130 [ 419.701866] ? mark_held_locks+0x130/0x130 [ 419.706104] ? mark_held_locks+0xc7/0x130 [ 419.710247] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 419.715259] ? zap_class+0x640/0x640 [ 419.718968] ? print_usage_bug+0xc0/0xc0 [ 419.723029] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.728562] ? check_preemption_disabled+0x48/0x280 [ 419.733592] ? __lock_is_held+0xb5/0x140 [ 419.737668] __alloc_pages_nodemask+0xa80/0xde0 [ 419.742330] ? zap_class+0x640/0x640 [ 419.746043] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 419.751066] ? find_held_lock+0x36/0x1c0 [ 419.755134] ? ____cache_alloc_node+0x1c7/0x1e0 [ 419.759806] ? lock_downgrade+0x900/0x900 [ 419.763955] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.769491] cache_grow_begin+0xa5/0x8c0 [ 419.773545] ? do_raw_spin_unlock+0xa7/0x330 [ 419.777955] fallback_alloc+0x204/0x2e0 [ 419.781931] ____cache_alloc_node+0x1c7/0x1e0 [ 419.786425] kmem_cache_alloc_node+0xe3/0x730 [ 419.790917] ? ipv6_get_ifaddr+0x42e/0x620 [ 419.795162] __alloc_skb+0x119/0x770 [ 419.798875] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 419.804154] ? netdev_alloc_frag+0x1f0/0x1f0 [ 419.808561] ? lock_downgrade+0x900/0x900 [ 419.812714] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.818251] ? refcount_sub_and_test_checked+0x203/0x310 [ 419.823699] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 419.829151] ? addrconf_rs_timer+0x690/0x690 [ 419.833567] ndisc_alloc_skb+0x144/0x340 [ 419.837627] ndisc_send_rs+0x331/0x6e0 [ 419.841521] addrconf_rs_timer+0x314/0x690 [ 419.845757] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 419.849999] call_timer_fn+0x272/0x920 [ 419.853878] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 419.858110] ? process_timeout+0x40/0x40 [ 419.862181] ? mark_held_locks+0xc7/0x130 [ 419.866324] ? _raw_spin_unlock_irq+0x27/0x80 [ 419.870814] ? _raw_spin_unlock_irq+0x27/0x80 [ 419.875301] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 419.879534] ? lockdep_hardirqs_on+0x296/0x5b0 [ 419.884111] ? trace_hardirqs_on+0xbd/0x310 [ 419.888438] ? kasan_check_read+0x11/0x20 [ 419.892581] ? __run_timers+0x7da/0xc70 [ 419.896550] ? trace_hardirqs_off_caller+0x310/0x310 [ 419.901656] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 419.905888] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 419.910117] __run_timers+0x7e5/0xc70 [ 419.913917] ? rcu_irq_exit+0x1a2/0x390 [ 419.917905] ? timer_fixup_init+0x70/0x70 [ 419.922049] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.927580] ? check_preemption_disabled+0x48/0x280 [ 419.932598] ? mark_held_locks+0xc7/0x130 [ 419.936738] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 419.941751] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 419.946529] ? retint_kernel+0x2d/0x2d [ 419.950427] ? trace_hardirqs_on_caller+0xc0/0x310 [ 419.955355] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 419.960109] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 419.965564] ? zap_class+0x640/0x640 [ 419.969276] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.974807] ? check_preemption_disabled+0x48/0x280 [ 419.979824] ? __lock_is_held+0xb5/0x140 [ 419.983881] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.989420] ? check_preemption_disabled+0x48/0x280 [ 419.994433] run_timer_softirq+0x52/0xb0 [ 419.998505] ? rcu_read_lock_sched_held+0x14f/0x180 [ 420.003515] __do_softirq+0x308/0xb7e [ 420.007317] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 420.011805] ? lock_downgrade+0x900/0x900 [ 420.015971] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 420.021076] ? pvclock_read_flags+0x160/0x160 [ 420.025657] ? lapic_next_event+0x5a/0x90 [ 420.029799] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.035340] ? kvm_clock_read+0x18/0x30 [ 420.039309] ? kvm_sched_clock_read+0x9/0x20 [ 420.043711] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.049243] ? check_preemption_disabled+0x48/0x280 [ 420.054265] irq_exit+0x17f/0x1c0 [ 420.057712] smp_apic_timer_interrupt+0x1cb/0x760 [ 420.062546] ? smp_reschedule_interrupt+0x109/0x650 [ 420.067557] ? smp_call_function_single_interrupt+0x650/0x650 [ 420.073436] ? interrupt_entry+0xb5/0xc0 [ 420.077490] ? trace_hardirqs_off_caller+0xbb/0x310 [ 420.082502] ? trace_hardirqs_off_caller+0xbb/0x310 [ 420.087517] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 420.092354] ? trace_hardirqs_on_caller+0x310/0x310 [ 420.097361] ? trace_hardirqs_on_caller+0x310/0x310 [ 420.102370] ? task_prio+0x50/0x50 [ 420.105905] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 420.111435] ? check_preemption_disabled+0x48/0x280 [ 420.116450] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 420.121294] apic_timer_interrupt+0xf/0x20 [ 420.125516] [ 420.127748] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 420.132935] Code: 00 e8 95 31 8e f9 e8 90 e2 bd f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d ea 90 8b 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d c0 90 [ 420.151828] RSP: 0000:ffff8801c4c0e140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 420.159552] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003afce19e [ 420.166813] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d7e70c7c [ 420.174074] RBP: ffff8801c4c0e168 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 420.181337] R10: 0000000000000000 R11: ffff8801d7e70400 R12: dffffc0000000000 [ 420.188598] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478 [ 420.195890] retint_kernel+0x1b/0x2d [ 420.199597] RIP: 0010:dump_stack+0x358/0x39d [ 420.204003] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 91 c1 00 fa 48 83 3d 99 b9 91 01 00 0f 84 63 fe ff ff e8 ee e6 bd f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db e6 bd f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 420.222895] RSP: 0000:ffff8801c4c0e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 420.230596] RAX: ffff8801d7e70400 RBX: 1ffffffff12a3e8e RCX: 1ffff1003afce19e [ 420.237860] RDX: 0000000000000000 RSI: ffffffff87c03ae2 RDI: 0000000000000293 [ 420.245128] RBP: ffff8801c4c0e2c8 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 420.252390] R10: 0000000000000000 R11: ffff8801d7e70400 R12: 1ffff10038981c4c [ 420.259656] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 420.266955] ? dump_stack+0x34f/0x39d [ 420.270761] ? dump_stack_print_info.cold.1+0x20/0x20 [ 420.275959] dump_header+0x27b/0xf72 [ 420.279679] ? mark_held_locks+0x130/0x130 [ 420.283910] ? pagefault_out_of_memory+0x197/0x197 [ 420.288843] ? __lock_acquire+0x62f/0x4c20 [ 420.293074] ? zap_class+0x640/0x640 [ 420.296802] ? percpu_ref_get_many+0x240/0x240 [ 420.301470] ? print_usage_bug+0xc0/0xc0 [ 420.305527] ? print_usage_bug+0xc0/0xc0 [ 420.309588] ? zap_class+0x640/0x640 [ 420.313301] ? print_usage_bug+0xc0/0xc0 [ 420.317356] ? print_usage_bug+0xc0/0xc0 [ 420.321416] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.326950] ? find_held_lock+0x36/0x1c0 [ 420.331015] ? mark_held_locks+0xc7/0x130 [ 420.335159] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 420.340261] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 420.345358] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 420.349935] ? trace_hardirqs_on+0xbd/0x310 [ 420.354248] ? kasan_check_read+0x11/0x20 [ 420.358391] ? ___ratelimit+0x3b4/0x672 [ 420.362360] ? trace_hardirqs_off_caller+0x310/0x310 [ 420.367459] ? trace_hardirqs_on+0x310/0x310 [ 420.371863] ? lock_downgrade+0x900/0x900 [ 420.376018] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 420.381119] ? ___ratelimit+0x3b9/0x672 [ 420.385102] ? idr_get_free+0xec0/0xec0 [ 420.389074] ? find_held_lock+0x36/0x1c0 [ 420.393144] oom_kill_process.cold.27+0x10/0x903 [ 420.397895] ? zap_class+0x640/0x640 [ 420.401607] ? check_preemption_disabled+0x48/0x280 [ 420.406630] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 420.411553] ? kasan_check_read+0x11/0x20 [ 420.415700] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 420.420975] ? oom_evaluate_task+0x540/0x540 [ 420.425384] ? find_held_lock+0x36/0x1c0 [ 420.429445] ? out_of_memory+0x974/0x1430 [ 420.433587] ? lock_downgrade+0x900/0x900 [ 420.437735] ? check_preemption_disabled+0x48/0x280 [ 420.442752] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 420.447676] ? kasan_check_read+0x11/0x20 [ 420.451820] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 420.457099] ? rcu_softirq_qs+0x20/0x20 [ 420.461074] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 420.466612] ? oom_evaluate_task+0x302/0x540 [ 420.471017] out_of_memory+0xa84/0x1430 [ 420.474993] ? oom_killer_disable+0x3a0/0x3a0 [ 420.479495] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 420.484420] ? __mutex_add_waiter+0x2a0/0x2a0 [ 420.488929] __alloc_pages_slowpath+0x22d4/0x2d70 [ 420.493793] ? warn_alloc+0x120/0x120 [ 420.497586] ? rcu_softirq_qs+0x20/0x20 [ 420.501593] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 420.507130] ? should_fail+0x22d/0xd01 [ 420.511027] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 420.516135] ? zap_class+0x640/0x640 [ 420.519867] ? __lock_is_held+0xb5/0x140 [ 420.523928] ? mark_held_locks+0x130/0x130 [ 420.528157] ? lock_release+0xa00/0xa00 [ 420.532129] ? perf_trace_sched_process_exec+0x860/0x860 [ 420.537583] ? __might_sleep+0x95/0x190 [ 420.541561] __alloc_pages_nodemask+0xa80/0xde0 [ 420.546237] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 420.551252] ? __page_cache_alloc+0x191/0x5c0 [ 420.555739] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 420.560660] ? kasan_check_read+0x11/0x20 [ 420.564800] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 420.570072] ? zap_class+0x640/0x640 [ 420.573792] ? zap_class+0x640/0x640 [ 420.577500] ? zap_class+0x640/0x640 [ 420.581211] ? __do_page_cache_readahead+0x7ce/0x980 [ 420.586312] ? find_held_lock+0x36/0x1c0 [ 420.590370] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 420.595906] alloc_pages_current+0x173/0x350 [ 420.600318] __page_cache_alloc+0x38c/0x5c0 [ 420.604652] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 420.609575] ? kasan_check_read+0x11/0x20 [ 420.613723] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 420.618995] ? generic_perform_write+0x6a0/0x6a0 [ 420.623744] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 420.629275] ? check_preemption_disabled+0x48/0x280 [ 420.634292] filemap_fault+0x1594/0x25f0 [ 420.638358] ? __lock_page_or_retry+0xa00/0xa00 [ 420.643023] ? mark_held_locks+0x130/0x130 [ 420.647251] ? rcu_softirq_qs+0x20/0x20 [ 420.651235] ? filemap_map_pages+0xe04/0x1990 [ 420.655752] ? __free_object+0x173/0x340 [ 420.659809] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 420.664821] ? trace_hardirqs_off_caller+0x310/0x310 [ 420.669920] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 420.674603] ? debug_object_free+0x32d/0x690 [ 420.679004] ? kasan_check_read+0x11/0x20 [ 420.683148] ? debug_object_destroy+0x2b0/0x2b0 [ 420.687816] ? lock_pi_update_atomic+0x150/0x150 [ 420.692565] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.698102] ? __hrtimer_init+0xdb/0x240 [ 420.702167] ? lock_acquire+0x1ed/0x520 [ 420.706138] ? ext4_filemap_fault+0x7a/0xad [ 420.710459] ? lock_release+0xa00/0xa00 [ 420.714425] ? perf_trace_sched_process_exec+0x860/0x860 [ 420.719868] ? print_usage_bug+0xc0/0xc0 [ 420.723924] ? print_usage_bug+0xc0/0xc0 [ 420.727989] ? down_read+0x8d/0x120 [ 420.731697] ? ext4_filemap_fault+0x7a/0xad [ 420.736014] ? __down_interruptible+0x700/0x700 [ 420.740689] ext4_filemap_fault+0x82/0xad [ 420.744842] __do_fault+0x100/0x6b0 [ 420.748467] ? pmd_devmap_trans_unstable+0x220/0x220 [ 420.753565] ? mark_held_locks+0x130/0x130 [ 420.757796] ? mark_held_locks+0x130/0x130 [ 420.762023] ? debug_smp_processor_id+0x1c/0x20 [ 420.766685] ? perf_trace_lock+0x14d/0x7a0 [ 420.770923] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 420.776460] __handle_mm_fault+0x307c/0x5920 [ 420.780873] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 420.785713] ? lock_is_held_type+0x210/0x210 [ 420.790135] ? zap_class+0x640/0x640 [ 420.793839] ? zap_class+0x640/0x640 [ 420.797545] ? __x64_sys_futex+0x53e/0x6a0 [ 420.801786] ? find_held_lock+0x36/0x1c0 [ 420.805850] ? handle_mm_fault+0x42a/0xc70 [ 420.810090] ? lock_downgrade+0x900/0x900 [ 420.814234] ? check_preemption_disabled+0x48/0x280 [ 420.819254] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 420.824176] ? kasan_check_read+0x11/0x20 [ 420.828322] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 420.833598] ? rcu_softirq_qs+0x20/0x20 [ 420.837573] ? trace_hardirqs_off_caller+0x310/0x310 [ 420.842670] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 420.848212] ? check_preemption_disabled+0x48/0x280 [ 420.853226] handle_mm_fault+0x54f/0xc70 [ 420.857291] ? __handle_mm_fault+0x5920/0x5920 [ 420.861890] ? find_vma+0x34/0x190 [ 420.865429] __do_page_fault+0x5e8/0xe60 [ 420.869484] ? trace_hardirqs_off+0xb8/0x310 [ 420.873885] ? __ia32_sys_read+0xb0/0xb0 [ 420.877947] do_page_fault+0xf2/0x7e0 [ 420.881744] ? vmalloc_sync_all+0x30/0x30 [ 420.885882] ? error_entry+0x70/0xd0 [ 420.889593] ? trace_hardirqs_off_caller+0xbb/0x310 [ 420.894606] ? trace_hardirqs_on_caller+0xc0/0x310 [ 420.899529] ? syscall_return_slowpath+0x5e0/0x5e0 [ 420.904454] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 420.909292] ? trace_hardirqs_on_caller+0x310/0x310 [ 420.914300] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 420.919753] ? prepare_exit_to_usermode+0x291/0x3b0 [ 420.924778] ? page_fault+0x8/0x30 [ 420.928315] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 420.933158] ? page_fault+0x8/0x30 [ 420.936695] page_fault+0x1e/0x30 [ 420.940143] RIP: 0033:0x45ddf3 [ 420.943349] Code: Bad RIP value. [ 420.946705] RSP: 002b:000000c4200206a0 EFLAGS: 00010206 [ 420.952070] RAX: ffffffffffffff92 RBX: 000000003b974269 RCX: 000000000045ddf3 [ 420.959339] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e1060 [ 420.966606] RBP: 000000c4200206e8 R08: 0000000000000000 R09: 0000000000000000 [ 420.973885] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001 [ 420.981176] R13: 0000000000000007 R14: 0000000000b7f720 R15: 000000000000bdf9 [ 420.988461] CPU: 0 PID: 17787 Comm: syz-executor0 Not tainted 4.19.0+ #72 [ 420.988466] warn_alloc_show_mem: 1 callbacks suppressed [ 420.988472] Mem-Info: [ 420.995393] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 421.000756] active_anon:46452 inactive_anon:2315 isolated_anon:0 [ 421.000756] active_file:13 inactive_file:13 isolated_file:0 [ 421.000756] unevictable:0 dirty:0 writeback:0 unstable:0 [ 421.000756] slab_reclaimable:9341 slab_unreclaimable:1470635 [ 421.000756] mapped:24578 shmem:7010 pagetables:528 bounce:0 [ 421.000756] free:13753 free_pcp:603 free_cma:0 [ 421.003121] Call Trace: [ 421.012495] Node 0 active_anon:185808kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:28040kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 421.045501] [ 421.048069] Node 0 [ 421.075633] dump_stack+0x244/0x39d [ 421.077778] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 421.079982] ? dump_stack_print_info.cold.1+0x20/0x20 [ 421.083571] lowmem_reserve[]: 0 [ 421.109082] warn_alloc.cold.117+0xb7/0x1bd [ 421.114231] 2818 6321 [ 421.117505] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 421.121815] 6321 [ 421.124310] ? lock_downgrade+0x900/0x900 [ 421.129121] Node 0 [ 421.131175] ? trace_hardirqs_off+0xb8/0x310 [ 421.135315] DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 421.137522] ? trace_hardirqs_off+0xb8/0x310 [ 421.141894] lowmem_reserve[]: 0 [ 421.168864] __alloc_pages_slowpath+0x2660/0x2d70 [ 421.173239] 0 [ 421.176546] ? native_queued_spin_lock_slowpath+0x1ec/0x13d0 [ 421.181342] 3503 3503 [ 421.183145] ? warn_alloc+0x120/0x120 [ 421.188912] Node 0 [ 421.191398] ? __lock_acquire+0x62f/0x4c20 [ 421.195194] Normal free:13924kB min:37364kB low:46704kB high:56044kB active_anon:183760kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5536kB pagetables:2112kB bounce:0kB free_pcp:2164kB local_pcp:1336kB free_cma:0kB [ 421.197412] ? __lock_acquire+0x62f/0x4c20 [ 421.201615] lowmem_reserve[]: [ 421.230140] ? warn_alloc+0x120/0x120 [ 421.234343] 0 0 [ 421.237447] ? print_usage_bug+0xc0/0xc0 [ 421.241210] 0 0 [ 421.243192] ? warn_alloc+0x120/0x120 [ 421.247223] Node 0 [ 421.249190] ? print_usage_bug+0xc0/0xc0 [ 421.252969] DMA: 1*4kB [ 421.255286] ? mark_held_locks+0x130/0x130 [ 421.259331] (U) [ 421.261928] ? mark_held_locks+0x130/0x130 [ 421.266126] 0*8kB 0*16kB [ 421.268099] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 421.272301] 1*32kB (U) [ 421.275063] ? should_fail+0x22d/0xd01 [ 421.280570] 2*64kB [ 421.283138] ? zap_class+0x640/0x640 [ 421.286990] (U) 1*128kB [ 421.289248] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 421.292926] (U) 1*256kB [ 421.295592] ? __lock_acquire+0x62f/0x4c20 [ 421.300656] (U) 0*512kB [ 421.303322] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 421.307522] 1*1024kB (U) [ 421.310183] ? should_fail+0x22d/0xd01 [ 421.315252] 1*2048kB (M) [ 421.318008] ? mark_held_locks+0x130/0x130 [ 421.321869] 3*4096kB [ 421.324614] ? mark_held_locks+0x130/0x130 [ 421.328817] (M) [ 421.331233] ? lock_downgrade+0x900/0x900 [ 421.335433] = 15908kB [ 421.335440] Node 0 [ 421.337405] ? zap_class+0x640/0x640 [ 421.341519] DMA32: 5*4kB [ 421.343923] ? zap_class+0x640/0x640 [ 421.346141] (UM) [ 421.349837] ? zap_class+0x640/0x640 [ 421.352560] 1*8kB (H) [ 421.356256] ? do_raw_spin_unlock+0xa7/0x330 [ 421.356270] ? trace_hardirqs_on+0x310/0x310 [ 421.358311] 2*16kB (M) [ 421.362027] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.364484] 3*32kB (M) [ 421.368885] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.373257] 3*64kB (MH) [ 421.375837] ? check_preemption_disabled+0x48/0x280 [ 421.381343] 4*128kB [ 421.383919] ? __lock_is_held+0xb5/0x140 [ 421.389415] (M) 5*256kB [ 421.392086] __alloc_pages_nodemask+0xa80/0xde0 [ 421.397068] (UMH) [ 421.399376] ? zap_class+0x640/0x640 [ 421.403405] 5*512kB (UMH) [ 421.406070] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 421.410705] 4*1024kB (UMH) [ 421.412868] ? find_held_lock+0x36/0x1c0 [ 421.416544] 2*2048kB (UM) [ 421.419390] ? ____cache_alloc_node+0x1c7/0x1e0 [ 421.424367] 3*4096kB (M) [ 421.427295] ? lock_downgrade+0x900/0x900 [ 421.431320] = 25180kB [ 421.431327] Node 0 [ 421.434168] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.438802] Normal: 1917*4kB [ 421.441569] cache_grow_begin+0xa5/0x8c0 [ 421.445680] (UME) 392*8kB [ 421.448086] ? do_raw_spin_unlock+0xa7/0x330 [ 421.450295] (UME) [ 421.455838] fallback_alloc+0x204/0x2e0 [ 421.458908] 105*16kB (UME) [ 421.462972] ____cache_alloc_node+0x1c7/0x1e0 [ 421.465779] 43*32kB (UM) [ 421.470182] kmem_cache_alloc_node+0xe3/0x730 [ 421.472297] 1*64kB (U) [ 421.476266] ? lockdep_hardirqs_on+0x296/0x5b0 [ 421.479163] 0*128kB 0*256kB [ 421.483656] __alloc_skb+0x119/0x770 [ 421.486376] 0*512kB 0*1024kB [ 421.490867] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 421.493416] 0*2048kB 0*4096kB [ 421.497992] ? netdev_alloc_frag+0x1f0/0x1f0 [ 421.500983] = 13924kB [ 421.500996] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 421.504703] ? vprintk_default+0x28/0x30 [ 421.507965] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 421.507969] 7036 total pagecache pages [ 421.507980] 0 pages in swap cache [ 421.507985] Swap cache stats: add 0, delete 0, find 0/0 [ 421.507988] Free swap = 0kB [ 421.507991] Total swap = 0kB [ 421.507994] 1965979 pages RAM [ 421.507997] 0 pages HighMem/MovableOnly [ 421.508007] 342867 pages reserved [ 421.508011] 0 pages cma reserved [ 421.508080] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 421.513396] ? vprintk_func+0x85/0x181 [ 421.513409] ? printk+0xa7/0xcf [ 421.513424] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 421.516641] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 421.520990] new_skb+0x26/0x1c0 [ 421.523369] syz-fuzzer cpuset= [ 421.532189] aoecmd_cfg+0x279/0x7f0 [ 421.536218] / [ 421.544792] ? find_held_lock+0x36/0x1c0 [ 421.548658] mems_allowed=0 [ 421.552095] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 421.628824] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.634365] ? __lock_is_held+0xb5/0x140 [ 421.638433] discover_timer+0x50/0x60 [ 421.642244] call_timer_fn+0x272/0x920 [ 421.646127] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 421.650962] ? process_timeout+0x40/0x40 [ 421.655037] ? __run_timers+0x7da/0xc70 [ 421.659020] ? _raw_spin_unlock_irq+0x27/0x80 [ 421.663513] ? _raw_spin_unlock_irq+0x27/0x80 [ 421.668015] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 421.672850] ? lockdep_hardirqs_on+0x296/0x5b0 [ 421.677636] ? trace_hardirqs_on+0xbd/0x310 [ 421.681951] ? kasan_check_read+0x11/0x20 [ 421.686095] ? __run_timers+0x7da/0xc70 [ 421.690074] ? trace_hardirqs_off_caller+0x310/0x310 [ 421.695187] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 421.700027] __run_timers+0x7e5/0xc70 [ 421.703832] ? timer_fixup_init+0x70/0x70 [ 421.707975] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 421.713005] ? zap_class+0x640/0x640 [ 421.716718] ? enqueue_hrtimer+0x1a5/0x560 [ 421.720947] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 421.726137] ? find_held_lock+0x36/0x1c0 [ 421.730196] ? zap_class+0x640/0x640 [ 421.733911] ? pvclock_read_flags+0x160/0x160 [ 421.738404] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.743935] ? check_preemption_disabled+0x48/0x280 [ 421.748951] ? __lock_is_held+0xb5/0x140 [ 421.753017] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.758547] ? check_preemption_disabled+0x48/0x280 [ 421.763567] run_timer_softirq+0x52/0xb0 [ 421.767619] ? rcu_read_lock_sched_held+0x14f/0x180 [ 421.772629] __do_softirq+0x308/0xb7e [ 421.776428] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 421.780914] ? lock_downgrade+0x900/0x900 [ 421.785059] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 421.790164] ? pvclock_read_flags+0x160/0x160 [ 421.794662] ? lapic_next_event+0x5a/0x90 [ 421.798804] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.804363] ? kvm_clock_read+0x18/0x30 [ 421.808329] ? kvm_sched_clock_read+0x9/0x20 [ 421.812731] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.818266] ? check_preemption_disabled+0x48/0x280 [ 421.823297] irq_exit+0x17f/0x1c0 [ 421.826743] smp_apic_timer_interrupt+0x1cb/0x760 [ 421.831577] ? smp_reschedule_interrupt+0x109/0x650 [ 421.836599] ? smp_call_function_single_interrupt+0x650/0x650 [ 421.842479] ? interrupt_entry+0xb5/0xc0 [ 421.846542] ? trace_hardirqs_off_caller+0xbb/0x310 [ 421.851552] ? trace_hardirqs_off_caller+0xbb/0x310 [ 421.856565] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 421.861403] ? trace_hardirqs_on_caller+0x310/0x310 [ 421.866414] ? trace_hardirqs_on_caller+0x310/0x310 [ 421.871424] ? task_prio+0x50/0x50 [ 421.874962] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.880503] ? check_preemption_disabled+0x48/0x280 [ 421.885518] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 421.890376] apic_timer_interrupt+0xf/0x20 [ 421.894607] [ 421.896842] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 421.901766] Code: 7e 0f 85 cf fe ff ff e8 f6 d7 3f ff e9 c5 fe ff ff e8 4d a2 c3 ff 48 83 3d a5 50 91 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 6a b1 [ 421.920746] RSP: 0000:ffff88019c63f740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 421.928451] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 421.935717] RDX: 0000000000000000 RSI: ffff8801929e68c0 RDI: 0000000000000286 [ 421.942995] RBP: ffff88019c63f7a8 R08: ffff8801929e6040 R09: 0000000000000000 [ 421.950256] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 421.957522] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020 [ 421.964815] skb_clone+0x1bb/0x500 [ 421.968347] ? finish_task_switch+0x2f4/0x910 [ 421.972835] ? skb_split+0x11e0/0x11e0 [ 421.976716] ? preempt_notifier_register+0x200/0x200 [ 421.981811] ? __switch_to_asm+0x34/0x70 [ 421.985868] ? __switch_to_asm+0x34/0x70 [ 421.989929] ? __switch_to_asm+0x40/0x70 [ 421.994026] ? __switch_to_asm+0x34/0x70 [ 421.998091] ? __switch_to_asm+0x40/0x70 [ 422.002143] ? __switch_to_asm+0x34/0x70 [ 422.006195] ? __switch_to_asm+0x40/0x70 [ 422.010247] ? __switch_to_asm+0x34/0x70 [ 422.014304] ? __switch_to_asm+0x34/0x70 [ 422.018359] ? __switch_to_asm+0x40/0x70 [ 422.022440] ? __switch_to_asm+0x34/0x70 [ 422.026506] bpf_clone_redirect+0xb9/0x490 [ 422.030738] ? __schedule+0x8d7/0x21d0 [ 422.034626] bpf_prog_bebbfe2050753572+0x325/0x1000 [ 422.039636] ? __sched_text_start+0x8/0x8 [ 422.043803] ? find_held_lock+0x36/0x1c0 [ 422.047865] ? lock_acquire+0x1ed/0x520 [ 422.051844] ? bpf_test_run+0x3cb/0x780 [ 422.055868] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.061403] ? check_preemption_disabled+0x48/0x280 [ 422.066417] ? kasan_check_read+0x11/0x20 [ 422.070560] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 422.075834] ? rcu_softirq_qs+0x20/0x20 [ 422.079802] ? preempt_schedule+0x4d/0x60 [ 422.083946] ? ___preempt_schedule+0x16/0x18 [ 422.088369] ? bpf_test_run+0x25d/0x780 [ 422.092347] ? netlink_diag_dump+0x2a0/0x2a0 [ 422.096752] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 422.102317] ? bpf_test_init.isra.10+0x70/0x100 [ 422.107015] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 422.111774] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 422.116610] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 422.122142] ? fput+0x130/0x1a0 [ 422.125415] ? __bpf_prog_get+0x9b/0x290 [ 422.129473] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 422.134306] ? bpf_prog_test_run+0x130/0x1a0 [ 422.138710] ? __x64_sys_bpf+0x3d8/0x520 [ 422.142762] ? bpf_prog_get+0x20/0x20 [ 422.146572] ? do_syscall_64+0x1b9/0x820 [ 422.150627] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 422.156004] ? syscall_return_slowpath+0x5e0/0x5e0 [ 422.160934] ? trace_hardirqs_on_caller+0x310/0x310 [ 422.165970] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 422.171013] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 422.177672] ? __switch_to_asm+0x40/0x70 [ 422.181725] ? __switch_to_asm+0x34/0x70 [ 422.185792] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 422.190638] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 422.196011] CPU: 1 PID: 5375 Comm: syz-fuzzer Not tainted 4.19.0+ #72 [ 422.196080] aoe: skb alloc failure [ 422.202586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 422.202592] Call Trace: [ 422.202597] [ 422.202625] dump_stack+0x244/0x39d [ 422.202643] ? dump_stack_print_info.cold.1+0x20/0x20 [ 422.206179] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 422.215504] warn_alloc.cold.117+0xb7/0x1bd [ 422.218053] syz-executor0 cpuset= [ 422.220193] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 422.223788] syz0 [ 422.228965] ? lock_downgrade+0x900/0x900 [ 422.228986] ? trace_hardirqs_off+0xb8/0x310 [ 422.239439] mems_allowed=0 [ 422.243769] ? trace_hardirqs_off+0xb8/0x310 [ 422.269807] __alloc_pages_slowpath+0x2660/0x2d70 [ 422.274669] ? warn_alloc+0x120/0x120 [ 422.278473] ? warn_alloc+0x120/0x120 [ 422.282269] ? print_usage_bug+0xc0/0xc0 [ 422.286323] ? warn_alloc+0x120/0x120 [ 422.290123] ? print_usage_bug+0xc0/0xc0 [ 422.294178] ? __lock_acquire+0x62f/0x4c20 [ 422.298409] ? __lock_acquire+0x62f/0x4c20 [ 422.302645] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 422.308177] ? should_fail+0x22d/0xd01 [ 422.312063] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 422.317162] ? __lock_acquire+0x62f/0x4c20 [ 422.321412] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 422.326509] ? __lock_acquire+0x62f/0x4c20 [ 422.330736] ? should_fail+0x22d/0xd01 [ 422.334616] ? find_held_lock+0x36/0x1c0 [ 422.338678] ? mark_held_locks+0x130/0x130 [ 422.342922] ? mark_held_locks+0x130/0x130 [ 422.347151] ? zap_class+0x640/0x640 [ 422.350857] ? zap_class+0x640/0x640 [ 422.354591] ? print_usage_bug+0xc0/0xc0 [ 422.358645] ? do_raw_spin_unlock+0xa7/0x330 [ 422.363045] ? zap_class+0x640/0x640 [ 422.366754] ? print_usage_bug+0xc0/0xc0 [ 422.370806] ? wq_watchdog_touch+0x9c/0xfe [ 422.375045] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.380577] ? check_preemption_disabled+0x48/0x280 [ 422.385595] ? __lock_is_held+0xb5/0x140 [ 422.389657] __alloc_pages_nodemask+0xa80/0xde0 [ 422.394317] ? zap_class+0x640/0x640 [ 422.398027] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 422.403045] ? find_held_lock+0x36/0x1c0 [ 422.407110] ? ____cache_alloc_node+0x1c7/0x1e0 [ 422.411777] ? lock_downgrade+0x900/0x900 [ 422.415925] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.421470] cache_grow_begin+0xa5/0x8c0 [ 422.425523] ? do_raw_spin_unlock+0xa7/0x330 [ 422.429944] fallback_alloc+0x204/0x2e0 [ 422.433937] ____cache_alloc_node+0x1c7/0x1e0 [ 422.438453] kmem_cache_alloc_node+0xe3/0x730 [ 422.442948] ? ipv6_get_ifaddr+0x42e/0x620 [ 422.447203] __alloc_skb+0x119/0x770 [ 422.450912] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 422.456204] ? netdev_alloc_frag+0x1f0/0x1f0 [ 422.460604] ? lock_downgrade+0x900/0x900 [ 422.464753] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.470289] ? refcount_sub_and_test_checked+0x203/0x310 [ 422.475738] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 422.481199] ? addrconf_rs_timer+0x690/0x690 [ 422.485611] ndisc_alloc_skb+0x144/0x340 [ 422.489671] ndisc_send_rs+0x331/0x6e0 [ 422.493555] addrconf_rs_timer+0x314/0x690 [ 422.497790] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 422.502032] call_timer_fn+0x272/0x920 [ 422.505915] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 422.510154] ? process_timeout+0x40/0x40 [ 422.514234] ? mark_held_locks+0xc7/0x130 [ 422.518399] ? _raw_spin_unlock_irq+0x27/0x80 [ 422.522891] ? _raw_spin_unlock_irq+0x27/0x80 [ 422.527385] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 422.531616] ? lockdep_hardirqs_on+0x296/0x5b0 [ 422.536193] ? trace_hardirqs_on+0xbd/0x310 [ 422.540512] ? kasan_check_read+0x11/0x20 [ 422.544653] ? __run_timers+0x7da/0xc70 [ 422.548626] ? trace_hardirqs_off_caller+0x310/0x310 [ 422.553725] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 422.557964] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 422.562190] __run_timers+0x7e5/0xc70 [ 422.565985] ? rcu_irq_exit+0x1a2/0x390 [ 422.569965] ? timer_fixup_init+0x70/0x70 [ 422.574109] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.579644] ? check_preemption_disabled+0x48/0x280 [ 422.584661] ? mark_held_locks+0xc7/0x130 [ 422.588803] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 422.593824] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 422.598580] ? retint_kernel+0x2d/0x2d [ 422.602463] ? trace_hardirqs_on_caller+0xc0/0x310 [ 422.607398] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 422.612151] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 422.617596] ? zap_class+0x640/0x640 [ 422.621309] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.626841] ? check_preemption_disabled+0x48/0x280 [ 422.631859] ? __lock_is_held+0xb5/0x140 [ 422.635925] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.641459] ? check_preemption_disabled+0x48/0x280 [ 422.646474] run_timer_softirq+0x52/0xb0 [ 422.650531] ? rcu_read_lock_sched_held+0x14f/0x180 [ 422.655542] __do_softirq+0x308/0xb7e [ 422.659349] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 422.663842] ? lock_downgrade+0x900/0x900 [ 422.667986] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 422.673094] ? pvclock_read_flags+0x160/0x160 [ 422.677588] ? lapic_next_event+0x5a/0x90 [ 422.681732] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.687305] ? kvm_clock_read+0x18/0x30 [ 422.691272] ? kvm_sched_clock_read+0x9/0x20 [ 422.695680] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.701211] ? check_preemption_disabled+0x48/0x280 [ 422.706232] irq_exit+0x17f/0x1c0 [ 422.709701] smp_apic_timer_interrupt+0x1cb/0x760 [ 422.714555] ? smp_reschedule_interrupt+0x109/0x650 [ 422.719563] ? smp_call_function_single_interrupt+0x650/0x650 [ 422.725445] ? interrupt_entry+0xb5/0xc0 [ 422.729500] ? trace_hardirqs_off_caller+0xbb/0x310 [ 422.734507] ? trace_hardirqs_off_caller+0xbb/0x310 [ 422.739521] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 422.744357] ? trace_hardirqs_on_caller+0x310/0x310 [ 422.749365] ? trace_hardirqs_on_caller+0x310/0x310 [ 422.754378] ? task_prio+0x50/0x50 [ 422.757922] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 422.763455] ? check_preemption_disabled+0x48/0x280 [ 422.768470] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 422.773312] apic_timer_interrupt+0xf/0x20 [ 422.777532] [ 422.779763] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 422.784951] Code: 00 e8 95 31 8e f9 e8 90 e2 bd f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d ea 90 8b 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d c0 90 [ 422.803846] RSP: 0000:ffff8801c4c0e140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 422.811546] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003afce19e [ 422.818809] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d7e70c7c [ 422.826071] RBP: ffff8801c4c0e168 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 422.833349] R10: 0000000000000000 R11: ffff8801d7e70400 R12: dffffc0000000000 [ 422.840610] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478 [ 422.847902] retint_kernel+0x1b/0x2d [ 422.851610] RIP: 0010:dump_stack+0x358/0x39d [ 422.856008] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 91 c1 00 fa 48 83 3d 99 b9 91 01 00 0f 84 63 fe ff ff e8 ee e6 bd f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db e6 bd f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 422.874905] RSP: 0000:ffff8801c4c0e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 422.882608] RAX: ffff8801d7e70400 RBX: 1ffffffff12a3e8e RCX: 1ffff1003afce19e [ 422.889869] RDX: 0000000000000000 RSI: ffffffff87c03ae2 RDI: 0000000000000293 [ 422.897134] RBP: ffff8801c4c0e2c8 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 422.904403] R10: 0000000000000000 R11: ffff8801d7e70400 R12: 1ffff10038981c4c [ 422.911664] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 422.918939] ? dump_stack+0x34f/0x39d [ 422.922743] ? dump_stack_print_info.cold.1+0x20/0x20 [ 422.927941] dump_header+0x27b/0xf72 [ 422.931665] ? mark_held_locks+0x130/0x130 [ 422.935905] ? pagefault_out_of_memory+0x197/0x197 [ 422.940833] ? __lock_acquire+0x62f/0x4c20 [ 422.945065] ? zap_class+0x640/0x640 [ 422.948776] ? percpu_ref_get_many+0x240/0x240 [ 422.953364] ? print_usage_bug+0xc0/0xc0 [ 422.957422] ? print_usage_bug+0xc0/0xc0 [ 422.961495] ? zap_class+0x640/0x640 [ 422.965220] ? print_usage_bug+0xc0/0xc0 [ 422.969279] ? print_usage_bug+0xc0/0xc0 [ 422.973339] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.978877] ? find_held_lock+0x36/0x1c0 [ 422.982949] ? mark_held_locks+0xc7/0x130 [ 422.987093] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 422.992189] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 422.997285] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 423.001862] ? trace_hardirqs_on+0xbd/0x310 [ 423.006182] ? kasan_check_read+0x11/0x20 [ 423.010326] ? ___ratelimit+0x3b4/0x672 [ 423.014297] ? trace_hardirqs_off_caller+0x310/0x310 [ 423.019402] ? trace_hardirqs_on+0x310/0x310 [ 423.023805] ? lock_downgrade+0x900/0x900 [ 423.028041] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 423.033173] ? ___ratelimit+0x3b9/0x672 [ 423.037147] ? idr_get_free+0xec0/0xec0 [ 423.041130] ? find_held_lock+0x36/0x1c0 [ 423.045191] oom_kill_process.cold.27+0x10/0x903 [ 423.049942] ? zap_class+0x640/0x640 [ 423.053648] ? check_preemption_disabled+0x48/0x280 [ 423.058663] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 423.063583] ? kasan_check_read+0x11/0x20 [ 423.067725] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 423.072997] ? oom_evaluate_task+0x540/0x540 [ 423.077417] ? find_held_lock+0x36/0x1c0 [ 423.081476] ? out_of_memory+0x974/0x1430 [ 423.085617] ? lock_downgrade+0x900/0x900 [ 423.089757] ? check_preemption_disabled+0x48/0x280 [ 423.094772] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 423.099711] ? kasan_check_read+0x11/0x20 [ 423.103857] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 423.109148] ? rcu_softirq_qs+0x20/0x20 [ 423.113135] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.118664] ? oom_evaluate_task+0x302/0x540 [ 423.123072] out_of_memory+0xa84/0x1430 [ 423.127057] ? oom_killer_disable+0x3a0/0x3a0 [ 423.131546] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 423.136482] ? __mutex_add_waiter+0x2a0/0x2a0 [ 423.140993] __alloc_pages_slowpath+0x22d4/0x2d70 [ 423.145860] ? warn_alloc+0x120/0x120 [ 423.149660] ? rcu_softirq_qs+0x20/0x20 [ 423.153653] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.159183] ? should_fail+0x22d/0xd01 [ 423.163073] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 423.168172] ? zap_class+0x640/0x640 [ 423.171908] ? __lock_is_held+0xb5/0x140 [ 423.175970] ? mark_held_locks+0x130/0x130 [ 423.180203] ? lock_release+0xa00/0xa00 [ 423.184174] ? perf_trace_sched_process_exec+0x860/0x860 [ 423.189629] ? __might_sleep+0x95/0x190 [ 423.193604] __alloc_pages_nodemask+0xa80/0xde0 [ 423.198277] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 423.203288] ? __page_cache_alloc+0x191/0x5c0 [ 423.207778] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 423.212698] ? kasan_check_read+0x11/0x20 [ 423.216841] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 423.222126] ? zap_class+0x640/0x640 [ 423.225845] ? zap_class+0x640/0x640 [ 423.229560] ? zap_class+0x640/0x640 [ 423.233284] ? __do_page_cache_readahead+0x7ce/0x980 [ 423.238388] ? find_held_lock+0x36/0x1c0 [ 423.242450] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 423.247990] alloc_pages_current+0x173/0x350 [ 423.252410] __page_cache_alloc+0x38c/0x5c0 [ 423.256724] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 423.261648] ? kasan_check_read+0x11/0x20 [ 423.265794] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 423.271067] ? generic_perform_write+0x6a0/0x6a0 [ 423.275817] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.281347] ? check_preemption_disabled+0x48/0x280 [ 423.286371] filemap_fault+0x1594/0x25f0 [ 423.290446] ? __lock_page_or_retry+0xa00/0xa00 [ 423.295110] ? mark_held_locks+0x130/0x130 [ 423.299342] ? rcu_softirq_qs+0x20/0x20 [ 423.303326] ? filemap_map_pages+0xe04/0x1990 [ 423.307829] ? __free_object+0x173/0x340 [ 423.311890] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 423.316815] ? trace_hardirqs_off_caller+0x310/0x310 [ 423.321911] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 423.326582] ? debug_object_free+0x32d/0x690 [ 423.330982] ? kasan_check_read+0x11/0x20 [ 423.335125] ? debug_object_destroy+0x2b0/0x2b0 [ 423.339794] ? lock_pi_update_atomic+0x150/0x150 [ 423.344544] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.350073] ? __hrtimer_init+0xdb/0x240 [ 423.354142] ? lock_acquire+0x1ed/0x520 [ 423.358114] ? ext4_filemap_fault+0x7a/0xad [ 423.362433] ? lock_release+0xa00/0xa00 [ 423.366397] ? perf_trace_sched_process_exec+0x860/0x860 [ 423.371863] ? print_usage_bug+0xc0/0xc0 [ 423.375930] ? print_usage_bug+0xc0/0xc0 [ 423.379999] ? down_read+0x8d/0x120 [ 423.383619] ? ext4_filemap_fault+0x7a/0xad [ 423.387939] ? __down_interruptible+0x700/0x700 [ 423.392610] ext4_filemap_fault+0x82/0xad [ 423.396753] __do_fault+0x100/0x6b0 [ 423.400380] ? pmd_devmap_trans_unstable+0x220/0x220 [ 423.405483] ? mark_held_locks+0x130/0x130 [ 423.409717] ? mark_held_locks+0x130/0x130 [ 423.413947] ? debug_smp_processor_id+0x1c/0x20 [ 423.418605] ? perf_trace_lock+0x14d/0x7a0 [ 423.422840] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.428385] __handle_mm_fault+0x307c/0x5920 [ 423.432795] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 423.437638] ? lock_is_held_type+0x210/0x210 [ 423.442064] ? zap_class+0x640/0x640 [ 423.445774] ? zap_class+0x640/0x640 [ 423.449483] ? __x64_sys_futex+0x53e/0x6a0 [ 423.453713] ? find_held_lock+0x36/0x1c0 [ 423.457781] ? handle_mm_fault+0x42a/0xc70 [ 423.462009] ? lock_downgrade+0x900/0x900 [ 423.466148] ? check_preemption_disabled+0x48/0x280 [ 423.471161] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 423.476087] ? kasan_check_read+0x11/0x20 [ 423.480233] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 423.485508] ? rcu_softirq_qs+0x20/0x20 [ 423.489478] ? trace_hardirqs_off_caller+0x310/0x310 [ 423.494574] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.500103] ? check_preemption_disabled+0x48/0x280 [ 423.505122] handle_mm_fault+0x54f/0xc70 [ 423.509460] ? __handle_mm_fault+0x5920/0x5920 [ 423.514041] ? find_vma+0x34/0x190 [ 423.517580] __do_page_fault+0x5e8/0xe60 [ 423.521636] ? trace_hardirqs_off+0xb8/0x310 [ 423.526038] ? __ia32_sys_read+0xb0/0xb0 [ 423.530102] do_page_fault+0xf2/0x7e0 [ 423.533898] ? vmalloc_sync_all+0x30/0x30 [ 423.538040] ? error_entry+0x70/0xd0 [ 423.541748] ? trace_hardirqs_off_caller+0xbb/0x310 [ 423.546760] ? trace_hardirqs_on_caller+0xc0/0x310 [ 423.551692] ? syscall_return_slowpath+0x5e0/0x5e0 [ 423.556616] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 423.561456] ? trace_hardirqs_on_caller+0x310/0x310 [ 423.566464] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 423.571916] ? prepare_exit_to_usermode+0x291/0x3b0 [ 423.576928] ? page_fault+0x8/0x30 [ 423.580725] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 423.585562] ? page_fault+0x8/0x30 [ 423.589119] page_fault+0x1e/0x30 [ 423.592569] RIP: 0033:0x45ddf3 [ 423.595771] Code: Bad RIP value. [ 423.599127] RSP: 002b:000000c4200206a0 EFLAGS: 00010206 [ 423.604484] RAX: ffffffffffffff92 RBX: 000000003b974269 RCX: 000000000045ddf3 [ 423.611749] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e1060 [ 423.619011] RBP: 000000c4200206e8 R08: 0000000000000000 R09: 0000000000000000 [ 423.626292] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001 [ 423.633554] R13: 0000000000000007 R14: 0000000000b7f720 R15: 000000000000bdf9 [ 423.640843] warn_alloc_show_mem: 1 callbacks suppressed [ 423.640852] CPU: 0 PID: 17787 Comm: syz-executor0 Not tainted 4.19.0+ #72 [ 423.640853] Mem-Info: [ 423.640882] active_anon:46452 inactive_anon:2315 isolated_anon:0 [ 423.640882] active_file:13 inactive_file:13 isolated_file:0 [ 423.640882] unevictable:0 dirty:0 writeback:0 unstable:0 [ 423.640882] slab_reclaimable:9341 slab_unreclaimable:1470635 [ 423.640882] mapped:24578 shmem:7010 pagetables:528 bounce:0 [ 423.640882] free:13753 free_pcp:603 free_cma:0 [ 423.646208] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 423.646215] Call Trace: [ 423.653139] Node 0 active_anon:185808kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:28040kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 423.655525] [ 423.689117] Node 0 [ 423.698467] dump_stack+0x244/0x39d [ 423.701044] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 423.728600] ? dump_stack_print_info.cold.1+0x20/0x20 [ 423.730736] lowmem_reserve[]: 0 [ 423.732976] warn_alloc.cold.117+0xb7/0x1bd [ 423.736560] 2818 6321 [ 423.762070] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 423.767223] 6321 [ 423.770494] ? lock_downgrade+0x900/0x900 [ 423.774783] Node 0 [ 423.777274] ? trace_hardirqs_off+0xb8/0x310 [ 423.782123] DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 423.784153] ? trace_hardirqs_off+0xb8/0x310 [ 423.788261] lowmem_reserve[]: 0 [ 423.790497] __alloc_pages_slowpath+0x2660/0x2d70 [ 423.794874] 0 [ 423.821962] ? native_queued_spin_lock_slowpath+0x1ec/0x13d0 [ 423.826319] 3503 3503 [ 423.829595] ? warn_alloc+0x120/0x120 [ 423.836191] ? __lock_acquire+0x62f/0x4c20 [ 423.841957] Node 0 [ 423.844440] ? __lock_acquire+0x62f/0x4c20 [ 423.848235] Normal free:13924kB min:37364kB low:46704kB high:56044kB active_anon:183760kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5536kB pagetables:2112kB bounce:0kB free_pcp:2164kB local_pcp:1336kB free_cma:0kB [ 423.852429] ? warn_alloc+0x120/0x120 [ 423.854632] lowmem_reserve[]: 0 [ 423.858869] ? print_usage_bug+0xc0/0xc0 [ 423.887372] 0 0 [ 423.891163] ? warn_alloc+0x120/0x120 [ 423.894415] 0 [ 423.898462] ? print_usage_bug+0xc0/0xc0 [ 423.900408] Node 0 [ 423.904297] ? mark_held_locks+0x130/0x130 [ 423.906065] DMA: 1*4kB [ 423.910121] ? mark_held_locks+0x130/0x130 [ 423.912331] (U) [ 423.916552] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.919109] 0*8kB [ 423.923327] ? should_fail+0x22d/0xd01 [ 423.923341] ? zap_class+0x640/0x640 [ 423.925288] 0*16kB [ 423.930814] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 423.932934] 1*32kB (U) [ 423.936827] ? __lock_acquire+0x62f/0x4c20 [ 423.940503] 2*64kB (U) [ 423.942738] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 423.947810] 1*128kB (U) [ 423.950389] ? should_fail+0x22d/0xd01 [ 423.954592] 1*256kB (U) [ 423.957175] ? mark_held_locks+0x130/0x130 [ 423.962252] 0*512kB 1*1024kB [ 423.964918] ? mark_held_locks+0x130/0x130 [ 423.968776] (U) [ 423.971433] ? lock_downgrade+0x900/0x900 [ 423.975641] 1*2048kB (M) [ 423.978752] ? zap_class+0x640/0x640 [ 423.982960] 3*4096kB [ 423.984921] ? zap_class+0x640/0x640 [ 423.989064] (M) [ 423.991819] ? zap_class+0x640/0x640 [ 423.995491] = 15908kB [ 423.995498] Node 0 [ 423.997885] ? do_raw_spin_unlock+0xa7/0x330 [ 423.997900] ? trace_hardirqs_on+0x310/0x310 [ 424.001579] DMA32: 5*4kB [ 424.003566] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.007244] (UM) 1*8kB [ 424.009649] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.011863] (H) [ 424.016260] ? check_preemption_disabled+0x48/0x280 [ 424.020633] 2*16kB (M) [ 424.023394] ? __lock_is_held+0xb5/0x140 [ 424.028899] 3*32kB (M) [ 424.031478] __alloc_pages_nodemask+0xa80/0xde0 [ 424.036978] 3*64kB (MH) [ 424.038946] ? zap_class+0x640/0x640 [ 424.043927] 4*128kB (M) [ 424.046509] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 424.050536] 5*256kB (UMH) [ 424.053125] ? find_held_lock+0x36/0x1c0 [ 424.057761] 5*512kB (UMH) [ 424.060430] ? ____cache_alloc_node+0x1c7/0x1e0 [ 424.064107] 4*1024kB (UMH) [ 424.066772] ? lock_downgrade+0x900/0x900 [ 424.071753] 2*2048kB (UM) [ 424.074600] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.078621] 3*4096kB (M) [ 424.081461] cache_grow_begin+0xa5/0x8c0 [ 424.086095] = 25180kB [ 424.086102] Node 0 [ 424.089020] ? do_raw_spin_unlock+0xa7/0x330 [ 424.093134] Normal: 1917*4kB [ 424.095980] fallback_alloc+0x204/0x2e0 [ 424.101570] (UME) [ 424.104321] ____cache_alloc_node+0x1c7/0x1e0 [ 424.108346] 392*8kB (UME) [ 424.110753] kmem_cache_alloc_node+0xe3/0x730 [ 424.112954] 105*16kB (UME) [ 424.117355] ? lockdep_hardirqs_on+0x296/0x5b0 [ 424.120429] 43*32kB (UM) [ 424.124402] __alloc_skb+0x119/0x770 [ 424.126530] 1*64kB (U) [ 424.131020] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 424.133833] 0*128kB [ 424.138318] ? netdev_alloc_frag+0x1f0/0x1f0 [ 424.141222] 0*256kB [ 424.145805] ? vprintk_default+0x28/0x30 [ 424.148526] 0*512kB [ 424.152223] ? vprintk_func+0x85/0x181 [ 424.154776] 0*1024kB 0*2048kB [ 424.160154] ? printk+0xa7/0xcf [ 424.162448] 0*4096kB = 13924kB [ 424.166846] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 424.169150] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 424.173197] new_skb+0x26/0x1c0 [ 424.175498] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 424.179366] aoecmd_cfg+0x279/0x7f0 [ 424.182530] 7036 total pagecache pages [ 424.185806] ? find_held_lock+0x36/0x1c0 [ 424.188974] 0 pages in swap cache [ 424.193711] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 424.202520] Swap cache stats: add 0, delete 0, find 0/0 [ 424.205797] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.214334] Free swap = 0kB [ 424.217950] ? __lock_is_held+0xb5/0x140 [ 424.221809] Total swap = 0kB [ 424.225865] discover_timer+0x50/0x60 [ 424.229285] 1965979 pages RAM [ 424.233592] call_timer_fn+0x272/0x920 [ 424.238921] 0 pages HighMem/MovableOnly [ 424.238928] 342867 pages reserved [ 424.244452] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 424.247438] 0 pages cma reserved [ 424.251483] ? process_timeout+0x40/0x40 [ 424.254532] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 424.258265] ? __run_timers+0x7da/0xc70 [ 424.261393] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 424.265214] ? _raw_spin_unlock_irq+0x27/0x80 [ 424.269159] syz-fuzzer cpuset= [ 424.272597] ? _raw_spin_unlock_irq+0x27/0x80 [ 424.277411] / [ 424.280756] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 424.280772] ? lockdep_hardirqs_on+0x296/0x5b0 [ 424.284817] mems_allowed=0 [ 424.291298] ? trace_hardirqs_on+0xbd/0x310 [ 424.291314] ? kasan_check_read+0x11/0x20 [ 424.340104] ? __run_timers+0x7da/0xc70 [ 424.344073] ? trace_hardirqs_off_caller+0x310/0x310 [ 424.349179] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 424.354030] __run_timers+0x7e5/0xc70 [ 424.357835] ? timer_fixup_init+0x70/0x70 [ 424.361978] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 424.366988] ? zap_class+0x640/0x640 [ 424.370698] ? enqueue_hrtimer+0x1a5/0x560 [ 424.374930] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 424.380119] ? find_held_lock+0x36/0x1c0 [ 424.384191] ? zap_class+0x640/0x640 [ 424.387905] ? pvclock_read_flags+0x160/0x160 [ 424.392397] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.397949] ? check_preemption_disabled+0x48/0x280 [ 424.402967] ? __lock_is_held+0xb5/0x140 [ 424.407024] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.412553] ? check_preemption_disabled+0x48/0x280 [ 424.417566] run_timer_softirq+0x52/0xb0 [ 424.421620] ? rcu_read_lock_sched_held+0x14f/0x180 [ 424.426630] __do_softirq+0x308/0xb7e [ 424.430447] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 424.434935] ? lock_downgrade+0x900/0x900 [ 424.439082] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 424.444186] ? pvclock_read_flags+0x160/0x160 [ 424.448677] ? lapic_next_event+0x5a/0x90 [ 424.452819] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.458353] ? kvm_clock_read+0x18/0x30 [ 424.462322] ? kvm_sched_clock_read+0x9/0x20 [ 424.466729] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.472259] ? check_preemption_disabled+0x48/0x280 [ 424.477277] irq_exit+0x17f/0x1c0 [ 424.480723] smp_apic_timer_interrupt+0x1cb/0x760 [ 424.485555] ? smp_reschedule_interrupt+0x109/0x650 [ 424.490564] ? smp_call_function_single_interrupt+0x650/0x650 [ 424.496450] ? interrupt_entry+0xb5/0xc0 [ 424.500505] ? trace_hardirqs_off_caller+0xbb/0x310 [ 424.505522] ? trace_hardirqs_off_caller+0xbb/0x310 [ 424.510533] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 424.515368] ? trace_hardirqs_on_caller+0x310/0x310 [ 424.520376] ? trace_hardirqs_on_caller+0x310/0x310 [ 424.525402] ? task_prio+0x50/0x50 [ 424.528949] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.534496] ? check_preemption_disabled+0x48/0x280 [ 424.539510] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 424.544349] apic_timer_interrupt+0xf/0x20 [ 424.548585] [ 424.550817] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 424.555740] Code: 7e 0f 85 cf fe ff ff e8 f6 d7 3f ff e9 c5 fe ff ff e8 4d a2 c3 ff 48 83 3d a5 50 91 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 6a b1 [ 424.574643] RSP: 0000:ffff88019c63f740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 424.582349] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 424.589607] RDX: 0000000000000000 RSI: ffff8801929e68c0 RDI: 0000000000000286 [ 424.596870] RBP: ffff88019c63f7a8 R08: ffff8801929e6040 R09: 0000000000000000 [ 424.604134] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 424.611415] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020 [ 424.618708] skb_clone+0x1bb/0x500 [ 424.622244] ? finish_task_switch+0x2f4/0x910 [ 424.626734] ? skb_split+0x11e0/0x11e0 [ 424.630626] ? preempt_notifier_register+0x200/0x200 [ 424.635719] ? __switch_to_asm+0x34/0x70 [ 424.639783] ? __switch_to_asm+0x34/0x70 [ 424.643842] ? __switch_to_asm+0x40/0x70 [ 424.647897] ? __switch_to_asm+0x34/0x70 [ 424.651955] ? __switch_to_asm+0x40/0x70 [ 424.656006] ? __switch_to_asm+0x34/0x70 [ 424.660059] ? __switch_to_asm+0x40/0x70 [ 424.664112] ? __switch_to_asm+0x34/0x70 [ 424.668173] ? __switch_to_asm+0x34/0x70 [ 424.672247] ? __switch_to_asm+0x40/0x70 [ 424.676299] ? __switch_to_asm+0x34/0x70 [ 424.680357] bpf_clone_redirect+0xb9/0x490 [ 424.684585] ? __schedule+0x8d7/0x21d0 [ 424.688481] bpf_prog_bebbfe2050753572+0x325/0x1000 [ 424.693508] ? __sched_text_start+0x8/0x8 [ 424.697660] ? find_held_lock+0x36/0x1c0 [ 424.701734] ? lock_acquire+0x1ed/0x520 [ 424.705710] ? bpf_test_run+0x3cb/0x780 [ 424.709680] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.715211] ? check_preemption_disabled+0x48/0x280 [ 424.720225] ? kasan_check_read+0x11/0x20 [ 424.724367] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 424.729641] ? rcu_softirq_qs+0x20/0x20 [ 424.733609] ? preempt_schedule+0x4d/0x60 [ 424.737762] ? ___preempt_schedule+0x16/0x18 [ 424.742174] ? bpf_test_run+0x25d/0x780 [ 424.746173] ? netlink_diag_dump+0x2a0/0x2a0 [ 424.750576] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 424.756103] ? bpf_test_init.isra.10+0x70/0x100 [ 424.760782] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 424.765540] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 424.770377] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 424.775910] ? fput+0x130/0x1a0 [ 424.779186] ? __bpf_prog_get+0x9b/0x290 [ 424.783242] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 424.788075] ? bpf_prog_test_run+0x130/0x1a0 [ 424.792478] ? __x64_sys_bpf+0x3d8/0x520 [ 424.796529] ? bpf_prog_get+0x20/0x20 [ 424.800337] ? do_syscall_64+0x1b9/0x820 [ 424.804396] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 424.809774] ? syscall_return_slowpath+0x5e0/0x5e0 [ 424.814698] ? trace_hardirqs_on_caller+0x310/0x310 [ 424.819708] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 424.824726] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 424.831395] ? __switch_to_asm+0x40/0x70 [ 424.835448] ? __switch_to_asm+0x34/0x70 [ 424.839518] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 424.844362] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 424.849745] CPU: 1 PID: 5375 Comm: syz-fuzzer Not tainted 4.19.0+ #72 [ 424.849810] aoe: skb alloc failure [ 424.856318] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 424.856323] Call Trace: [ 424.856328] [ 424.856344] dump_stack+0x244/0x39d [ 424.856362] ? dump_stack_print_info.cold.1+0x20/0x20 [ 424.859904] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 424.869231] warn_alloc.cold.117+0xb7/0x1bd [ 424.871782] syz-executor0 cpuset= [ 424.873922] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 424.877520] syz0 [ 424.882696] ? lock_downgrade+0x900/0x900 [ 424.893151] mems_allowed=0 [ 424.897460] ? trace_hardirqs_off+0xb8/0x310 [ 424.919089] ? trace_hardirqs_off+0xb8/0x310 [ 424.923498] __alloc_pages_slowpath+0x2660/0x2d70 [ 424.928376] ? warn_alloc+0x120/0x120 [ 424.932187] ? warn_alloc+0x120/0x120 [ 424.935983] ? print_usage_bug+0xc0/0xc0 [ 424.940038] ? warn_alloc+0x120/0x120 [ 424.943832] ? print_usage_bug+0xc0/0xc0 [ 424.947886] ? __lock_acquire+0x62f/0x4c20 [ 424.952112] ? __lock_acquire+0x62f/0x4c20 [ 424.956350] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 424.961881] ? should_fail+0x22d/0xd01 [ 424.965766] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 424.970865] ? __lock_acquire+0x62f/0x4c20 [ 424.975099] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 424.980195] ? __lock_acquire+0x62f/0x4c20 [ 424.984420] ? should_fail+0x22d/0xd01 [ 424.988299] ? find_held_lock+0x36/0x1c0 [ 424.992373] ? mark_held_locks+0x130/0x130 [ 424.996605] ? mark_held_locks+0x130/0x130 [ 425.000832] ? zap_class+0x640/0x640 [ 425.004541] ? zap_class+0x640/0x640 [ 425.008252] ? print_usage_bug+0xc0/0xc0 [ 425.012303] ? do_raw_spin_unlock+0xa7/0x330 [ 425.016705] ? zap_class+0x640/0x640 [ 425.020416] ? print_usage_bug+0xc0/0xc0 [ 425.024471] ? wq_watchdog_touch+0x9c/0xfe [ 425.028705] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.034248] ? check_preemption_disabled+0x48/0x280 [ 425.039271] ? __lock_is_held+0xb5/0x140 [ 425.043331] __alloc_pages_nodemask+0xa80/0xde0 [ 425.047997] ? zap_class+0x640/0x640 [ 425.051706] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 425.056741] ? find_held_lock+0x36/0x1c0 [ 425.060806] ? ____cache_alloc_node+0x1c7/0x1e0 [ 425.065471] ? lock_downgrade+0x900/0x900 [ 425.069624] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.075167] cache_grow_begin+0xa5/0x8c0 [ 425.079228] ? do_raw_spin_unlock+0xa7/0x330 [ 425.083638] fallback_alloc+0x204/0x2e0 [ 425.087612] ____cache_alloc_node+0x1c7/0x1e0 [ 425.092107] kmem_cache_alloc_node+0xe3/0x730 [ 425.096601] ? ipv6_get_ifaddr+0x42e/0x620 [ 425.100842] __alloc_skb+0x119/0x770 [ 425.104551] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 425.109825] ? netdev_alloc_frag+0x1f0/0x1f0 [ 425.114233] ? lock_downgrade+0x900/0x900 [ 425.118382] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.123914] ? refcount_sub_and_test_checked+0x203/0x310 [ 425.129366] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 425.134812] ? addrconf_rs_timer+0x690/0x690 [ 425.139232] ndisc_alloc_skb+0x144/0x340 [ 425.143292] ndisc_send_rs+0x331/0x6e0 [ 425.147184] addrconf_rs_timer+0x314/0x690 [ 425.151421] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 425.155660] call_timer_fn+0x272/0x920 [ 425.159541] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 425.163770] ? process_timeout+0x40/0x40 [ 425.167830] ? mark_held_locks+0xc7/0x130 [ 425.171973] ? _raw_spin_unlock_irq+0x27/0x80 [ 425.176463] ? _raw_spin_unlock_irq+0x27/0x80 [ 425.180947] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 425.185177] ? lockdep_hardirqs_on+0x296/0x5b0 [ 425.189755] ? trace_hardirqs_on+0xbd/0x310 [ 425.194073] ? kasan_check_read+0x11/0x20 [ 425.198220] ? __run_timers+0x7da/0xc70 [ 425.202189] ? trace_hardirqs_off_caller+0x310/0x310 [ 425.207299] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 425.211528] __run_timers+0x7e5/0xc70 [ 425.215338] ? rcu_irq_exit+0x1a2/0x390 [ 425.219314] ? timer_fixup_init+0x70/0x70 [ 425.223453] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.228985] ? check_preemption_disabled+0x48/0x280 [ 425.234003] ? mark_held_locks+0xc7/0x130 [ 425.238145] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 425.243160] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 425.247912] ? retint_kernel+0x2d/0x2d [ 425.251790] ? trace_hardirqs_on_caller+0xc0/0x310 [ 425.256718] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 425.261470] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 425.266915] ? zap_class+0x640/0x640 [ 425.270626] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.276159] ? check_preemption_disabled+0x48/0x280 [ 425.281178] ? __lock_is_held+0xb5/0x140 [ 425.285242] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.290771] ? check_preemption_disabled+0x48/0x280 [ 425.295786] run_timer_softirq+0x52/0xb0 [ 425.299843] ? rcu_read_lock_sched_held+0x14f/0x180 [ 425.304850] __do_softirq+0x308/0xb7e [ 425.308740] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 425.313231] ? lock_downgrade+0x900/0x900 [ 425.317377] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 425.322479] ? pvclock_read_flags+0x160/0x160 [ 425.326970] ? lapic_next_event+0x5a/0x90 [ 425.331119] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.336663] ? kvm_clock_read+0x18/0x30 [ 425.340728] ? kvm_sched_clock_read+0x9/0x20 [ 425.345146] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.350676] ? check_preemption_disabled+0x48/0x280 [ 425.355707] irq_exit+0x17f/0x1c0 [ 425.359153] smp_apic_timer_interrupt+0x1cb/0x760 [ 425.363990] ? smp_reschedule_interrupt+0x109/0x650 [ 425.369003] ? smp_call_function_single_interrupt+0x650/0x650 [ 425.374883] ? interrupt_entry+0xb5/0xc0 [ 425.378939] ? trace_hardirqs_off_caller+0xbb/0x310 [ 425.383946] ? trace_hardirqs_off_caller+0xbb/0x310 [ 425.388967] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 425.393802] ? trace_hardirqs_on_caller+0x310/0x310 [ 425.398826] ? trace_hardirqs_on_caller+0x310/0x310 [ 425.403836] ? task_prio+0x50/0x50 [ 425.407372] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 425.412902] ? check_preemption_disabled+0x48/0x280 [ 425.417921] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 425.422763] apic_timer_interrupt+0xf/0x20 [ 425.426992] [ 425.429226] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 425.434413] Code: 00 e8 95 31 8e f9 e8 90 e2 bd f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d ea 90 8b 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d c0 90 [ 425.453304] RSP: 0000:ffff8801c4c0e140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 425.461007] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003afce19e [ 425.468268] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d7e70c7c [ 425.475529] RBP: ffff8801c4c0e168 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 425.482798] R10: 0000000000000000 R11: ffff8801d7e70400 R12: dffffc0000000000 [ 425.490062] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478 [ 425.497346] retint_kernel+0x1b/0x2d [ 425.501054] RIP: 0010:dump_stack+0x358/0x39d [ 425.505455] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 91 c1 00 fa 48 83 3d 99 b9 91 01 00 0f 84 63 fe ff ff e8 ee e6 bd f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db e6 bd f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 425.524658] RSP: 0000:ffff8801c4c0e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 425.532368] RAX: ffff8801d7e70400 RBX: 1ffffffff12a3e8e RCX: 1ffff1003afce19e [ 425.539631] RDX: 0000000000000000 RSI: ffffffff87c03ae2 RDI: 0000000000000293 [ 425.546891] RBP: ffff8801c4c0e2c8 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 425.554155] R10: 0000000000000000 R11: ffff8801d7e70400 R12: 1ffff10038981c4c [ 425.561439] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 425.568724] ? dump_stack+0x34f/0x39d [ 425.572534] ? dump_stack_print_info.cold.1+0x20/0x20 [ 425.577727] dump_header+0x27b/0xf72 [ 425.581443] ? mark_held_locks+0x130/0x130 [ 425.585681] ? pagefault_out_of_memory+0x197/0x197 [ 425.590631] ? __lock_acquire+0x62f/0x4c20 [ 425.594858] ? zap_class+0x640/0x640 [ 425.598567] ? percpu_ref_get_many+0x240/0x240 [ 425.603144] ? print_usage_bug+0xc0/0xc0 [ 425.607201] ? print_usage_bug+0xc0/0xc0 [ 425.611263] ? zap_class+0x640/0x640 [ 425.614973] ? print_usage_bug+0xc0/0xc0 [ 425.619042] ? print_usage_bug+0xc0/0xc0 [ 425.623108] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.628640] ? find_held_lock+0x36/0x1c0 [ 425.632713] ? mark_held_locks+0xc7/0x130 [ 425.636858] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 425.641957] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 425.647053] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 425.651630] ? trace_hardirqs_on+0xbd/0x310 [ 425.655947] ? kasan_check_read+0x11/0x20 [ 425.660099] ? ___ratelimit+0x3b4/0x672 [ 425.664084] ? trace_hardirqs_off_caller+0x310/0x310 [ 425.669184] ? trace_hardirqs_on+0x310/0x310 [ 425.673588] ? lock_downgrade+0x900/0x900 [ 425.678261] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 425.683364] ? ___ratelimit+0x3b9/0x672 [ 425.687332] ? idr_get_free+0xec0/0xec0 [ 425.691304] ? find_held_lock+0x36/0x1c0 [ 425.695371] oom_kill_process.cold.27+0x10/0x903 [ 425.700121] ? zap_class+0x640/0x640 [ 425.703827] ? check_preemption_disabled+0x48/0x280 [ 425.708858] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 425.713781] ? kasan_check_read+0x11/0x20 [ 425.717939] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 425.723215] ? oom_evaluate_task+0x540/0x540 [ 425.727620] ? find_held_lock+0x36/0x1c0 [ 425.731688] ? out_of_memory+0x974/0x1430 [ 425.735833] ? lock_downgrade+0x900/0x900 [ 425.739978] ? check_preemption_disabled+0x48/0x280 [ 425.744991] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 425.749914] ? kasan_check_read+0x11/0x20 [ 425.754061] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 425.759334] ? rcu_softirq_qs+0x20/0x20 [ 425.763313] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 425.768859] ? oom_evaluate_task+0x302/0x540 [ 425.773266] out_of_memory+0xa84/0x1430 [ 425.777248] ? oom_killer_disable+0x3a0/0x3a0 [ 425.781741] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 425.786675] ? __mutex_add_waiter+0x2a0/0x2a0 [ 425.791181] __alloc_pages_slowpath+0x22d4/0x2d70 [ 425.796046] ? warn_alloc+0x120/0x120 [ 425.799838] ? rcu_softirq_qs+0x20/0x20 [ 425.803832] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 425.809362] ? should_fail+0x22d/0xd01 [ 425.813247] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 425.818371] ? zap_class+0x640/0x640 [ 425.822105] ? __lock_is_held+0xb5/0x140 [ 425.826174] ? mark_held_locks+0x130/0x130 [ 425.830408] ? lock_release+0xa00/0xa00 [ 425.834377] ? perf_trace_sched_process_exec+0x860/0x860 [ 425.839824] ? __might_sleep+0x95/0x190 [ 425.843811] __alloc_pages_nodemask+0xa80/0xde0 [ 425.848498] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 425.853510] ? __page_cache_alloc+0x191/0x5c0 [ 425.858001] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 425.862925] ? kasan_check_read+0x11/0x20 [ 425.867068] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 425.872352] ? zap_class+0x640/0x640 [ 425.876065] ? zap_class+0x640/0x640 [ 425.879784] ? zap_class+0x640/0x640 [ 425.883489] ? __do_page_cache_readahead+0x7ce/0x980 [ 425.888589] ? find_held_lock+0x36/0x1c0 [ 425.892646] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 425.898190] alloc_pages_current+0x173/0x350 [ 425.902595] __page_cache_alloc+0x38c/0x5c0 [ 425.906910] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 425.911835] ? kasan_check_read+0x11/0x20 [ 425.915981] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 425.921265] ? generic_perform_write+0x6a0/0x6a0 [ 425.926012] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 425.931541] ? check_preemption_disabled+0x48/0x280 [ 425.936563] filemap_fault+0x1594/0x25f0 [ 425.940630] ? __lock_page_or_retry+0xa00/0xa00 [ 425.945313] ? mark_held_locks+0x130/0x130 [ 425.949544] ? rcu_softirq_qs+0x20/0x20 [ 425.953534] ? filemap_map_pages+0xe04/0x1990 [ 425.958035] ? __free_object+0x173/0x340 [ 425.962093] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 425.967017] ? trace_hardirqs_off_caller+0x310/0x310 [ 425.972113] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 425.976788] ? debug_object_free+0x32d/0x690 [ 425.981191] ? kasan_check_read+0x11/0x20 [ 425.985342] ? debug_object_destroy+0x2b0/0x2b0 [ 425.990002] ? lock_pi_update_atomic+0x150/0x150 [ 425.994768] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.000294] ? __hrtimer_init+0xdb/0x240 [ 426.004363] ? lock_acquire+0x1ed/0x520 [ 426.008331] ? ext4_filemap_fault+0x7a/0xad [ 426.012667] ? lock_release+0xa00/0xa00 [ 426.016634] ? perf_trace_sched_process_exec+0x860/0x860 [ 426.022089] ? print_usage_bug+0xc0/0xc0 [ 426.026150] ? print_usage_bug+0xc0/0xc0 [ 426.030224] ? down_read+0x8d/0x120 [ 426.033842] ? ext4_filemap_fault+0x7a/0xad [ 426.038170] ? __down_interruptible+0x700/0x700 [ 426.042844] ext4_filemap_fault+0x82/0xad [ 426.046989] __do_fault+0x100/0x6b0 [ 426.050618] ? pmd_devmap_trans_unstable+0x220/0x220 [ 426.055728] ? mark_held_locks+0x130/0x130 [ 426.059962] ? mark_held_locks+0x130/0x130 [ 426.064207] ? debug_smp_processor_id+0x1c/0x20 [ 426.068870] ? perf_trace_lock+0x14d/0x7a0 [ 426.073107] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 426.078653] __handle_mm_fault+0x307c/0x5920 [ 426.083084] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 426.087921] ? lock_is_held_type+0x210/0x210 [ 426.092349] ? zap_class+0x640/0x640 [ 426.096063] ? zap_class+0x640/0x640 [ 426.099770] ? __x64_sys_futex+0x53e/0x6a0 [ 426.104003] ? find_held_lock+0x36/0x1c0 [ 426.108087] ? handle_mm_fault+0x42a/0xc70 [ 426.112325] ? lock_downgrade+0x900/0x900 [ 426.116464] ? check_preemption_disabled+0x48/0x280 [ 426.121477] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 426.126400] ? kasan_check_read+0x11/0x20 [ 426.130546] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 426.135817] ? rcu_softirq_qs+0x20/0x20 [ 426.139783] ? trace_hardirqs_off_caller+0x310/0x310 [ 426.144880] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 426.150423] ? check_preemption_disabled+0x48/0x280 [ 426.155439] handle_mm_fault+0x54f/0xc70 [ 426.159499] ? __handle_mm_fault+0x5920/0x5920 [ 426.164080] ? find_vma+0x34/0x190 [ 426.167615] __do_page_fault+0x5e8/0xe60 [ 426.171669] ? trace_hardirqs_off+0xb8/0x310 [ 426.176090] ? __ia32_sys_read+0xb0/0xb0 [ 426.180174] do_page_fault+0xf2/0x7e0 [ 426.183968] ? vmalloc_sync_all+0x30/0x30 [ 426.188124] ? error_entry+0x70/0xd0 [ 426.191836] ? trace_hardirqs_off_caller+0xbb/0x310 [ 426.196847] ? trace_hardirqs_on_caller+0xc0/0x310 [ 426.201772] ? syscall_return_slowpath+0x5e0/0x5e0 [ 426.206697] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 426.211533] ? trace_hardirqs_on_caller+0x310/0x310 [ 426.216543] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 426.221989] ? prepare_exit_to_usermode+0x291/0x3b0 [ 426.226996] ? page_fault+0x8/0x30 [ 426.230549] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 426.235387] ? page_fault+0x8/0x30 [ 426.238919] page_fault+0x1e/0x30 [ 426.242389] RIP: 0033:0x45ddf3 [ 426.245601] Code: Bad RIP value. [ 426.248961] RSP: 002b:000000c4200206a0 EFLAGS: 00010206 [ 426.254317] RAX: ffffffffffffff92 RBX: 000000003b974269 RCX: 000000000045ddf3 [ 426.261667] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e1060 [ 426.268928] RBP: 000000c4200206e8 R08: 0000000000000000 R09: 0000000000000000 [ 426.276274] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001 [ 426.283534] R13: 0000000000000007 R14: 0000000000b7f720 R15: 000000000000bdf9 [ 426.290813] warn_alloc_show_mem: 1 callbacks suppressed [ 426.290822] CPU: 0 PID: 17787 Comm: syz-executor0 Not tainted 4.19.0+ #72 [ 426.290824] Mem-Info: [ 426.290854] active_anon:46452 inactive_anon:2315 isolated_anon:0 [ 426.290854] active_file:13 inactive_file:13 isolated_file:0 [ 426.290854] unevictable:0 dirty:0 writeback:0 unstable:0 [ 426.290854] slab_reclaimable:9341 slab_unreclaimable:1470635 [ 426.290854] mapped:24578 shmem:7010 pagetables:528 bounce:0 [ 426.290854] free:13753 free_pcp:603 free_cma:0 [ 426.296184] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 426.296191] Call Trace: [ 426.303116] Node 0 active_anon:185808kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:28040kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 426.305510] [ 426.338535] Node 0 [ 426.347877] dump_stack+0x244/0x39d [ 426.350452] 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 [ 426.378015] ? dump_stack_print_info.cold.1+0x20/0x20 [ 426.380164] lowmem_reserve[]: 0 [ 426.382399] warn_alloc.cold.117+0xb7/0x1bd [ 426.385991] 2818 [ 426.411476] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 426.416638] 6321 [ 426.419903] ? lock_downgrade+0x900/0x900 [ 426.424190] 6321 [ 426.426250] ? trace_hardirqs_off+0xb8/0x310 [ 426.431057] Node 0 [ 426.433108] ? trace_hardirqs_off+0xb8/0x310 [ 426.437246] DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 426.439293] __alloc_pages_slowpath+0x2660/0x2d70 [ 426.443669] lowmem_reserve[]: [ 426.445910] ? native_queued_spin_lock_slowpath+0x1ec/0x13d0 [ 426.450269] 0 0 [ 426.477239] ? warn_alloc+0x120/0x120 [ 426.482047] 3503 3503 [ 426.485161] ? __lock_acquire+0x62f/0x4c20 [ 426.492887] ? __lock_acquire+0x62f/0x4c20 [ 426.496657] Node 0 [ 426.499141] ? warn_alloc+0x120/0x120 [ 426.503368] Normal free:13924kB min:37364kB low:46704kB high:56044kB active_anon:183760kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5536kB pagetables:2112kB bounce:0kB free_pcp:2164kB local_pcp:1336kB free_cma:0kB [ 426.507577] ? print_usage_bug+0xc0/0xc0 [ 426.509777] lowmem_reserve[]: 0 [ 426.513566] ? warn_alloc+0x120/0x120 [ 426.542070] 0 [ 426.546120] ? print_usage_bug+0xc0/0xc0 [ 426.549367] 0 0 [ 426.553160] ? mark_held_locks+0x130/0x130 [ 426.554933] Node 0 [ 426.558974] ? mark_held_locks+0x130/0x130 [ 426.560935] DMA: 1*4kB [ 426.565165] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 426.567368] (U) [ 426.571614] ? should_fail+0x22d/0xd01 [ 426.574161] 0*8kB 0*16kB [ 426.579684] ? zap_class+0x640/0x640 [ 426.581633] 1*32kB [ 426.585505] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 426.588233] (U) [ 426.591933] ? __lock_acquire+0x62f/0x4c20 [ 426.594141] 2*64kB (U) [ 426.599235] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 426.601178] 1*128kB (U) [ 426.605410] ? should_fail+0x22d/0xd01 [ 426.607961] 1*256kB (U) [ 426.613060] ? mark_held_locks+0x130/0x130 [ 426.615693] 0*512kB 1*1024kB [ 426.619574] ? mark_held_locks+0x130/0x130 [ 426.622215] (U) [ 426.626435] ? lock_downgrade+0x900/0x900 [ 426.629504] 1*2048kB (M) [ 426.633727] ? zap_class+0x640/0x640 [ 426.635676] 3*4096kB [ 426.639805] ? zap_class+0x640/0x640 [ 426.642529] (M) = 15908kB [ 426.646246] ? zap_class+0x640/0x640 [ 426.648626] Node 0 [ 426.652322] ? do_raw_spin_unlock+0xa7/0x330 [ 426.655046] DMA32: 5*4kB [ 426.658750] ? trace_hardirqs_on+0x310/0x310 [ 426.660959] (UM) [ 426.665352] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.668101] 1*8kB [ 426.672503] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.674537] (H) [ 426.680060] ? check_preemption_disabled+0x48/0x280 [ 426.682179] 2*16kB (M) [ 426.687714] ? __lock_is_held+0xb5/0x140 [ 426.689659] 3*32kB [ 426.694664] __alloc_pages_nodemask+0xa80/0xde0 [ 426.697216] (M) [ 426.701258] ? zap_class+0x640/0x640 [ 426.703465] 3*64kB [ 426.708135] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 426.710084] (MH) [ 426.713786] ? find_held_lock+0x36/0x1c0 [ 426.715985] 4*128kB (M) [ 426.720993] ? ____cache_alloc_node+0x1c7/0x1e0 [ 426.723019] 5*256kB (UMH) [ 426.727069] ? lock_downgrade+0x900/0x900 [ 426.729727] 5*512kB [ 426.734383] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.737198] (UMH) [ 426.741334] cache_grow_begin+0xa5/0x8c0 [ 426.743628] 4*1024kB [ 426.749144] ? do_raw_spin_unlock+0xa7/0x330 [ 426.751262] (UMH) 2*2048kB [ 426.755335] fallback_alloc+0x204/0x2e0 [ 426.757707] (UM) 3*4096kB [ 426.762113] ____cache_alloc_node+0x1c7/0x1e0 [ 426.765011] (M) [ 426.768971] kmem_cache_alloc_node+0xe3/0x730 [ 426.771784] = 25180kB [ 426.771791] Node 0 [ 426.776273] ? lockdep_hardirqs_on+0x296/0x5b0 [ 426.778219] Normal: 1917*4kB [ 426.782709] __alloc_skb+0x119/0x770 [ 426.785205] (UME) [ 426.787431] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 426.791982] 392*8kB [ 426.795071] ? netdev_alloc_frag+0x1f0/0x1f0 [ 426.798764] (UME) [ 426.800905] ? vprintk_default+0x28/0x30 [ 426.806238] 105*16kB [ 426.808548] ? vprintk_func+0x85/0x181 [ 426.812927] (UME) [ 426.815069] ? printk+0xa7/0xcf [ 426.819099] 43*32kB (UM) [ 426.821503] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 426.825354] 1*64kB (U) [ 426.827502] new_skb+0x26/0x1c0 [ 426.830761] 0*128kB 0*256kB [ 426.833512] aoecmd_cfg+0x279/0x7f0 [ 426.838231] 0*512kB 0*1024kB [ 426.840808] ? find_held_lock+0x36/0x1c0 [ 426.844055] 0*2048kB [ 426.847061] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 426.850655] 0*4096kB = 13924kB [ 426.853755] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.857790] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 426.860185] ? __lock_is_held+0xb5/0x140 [ 426.864476] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 426.867657] discover_timer+0x50/0x60 [ 426.873164] 7036 total pagecache pages [ 426.881982] call_timer_fn+0x272/0x920 [ 426.886033] 0 pages in swap cache [ 426.894592] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 426.898366] Swap cache stats: add 0, delete 0, find 0/0 [ 426.902247] ? process_timeout+0x40/0x40 [ 426.906105] Free swap = 0kB [ 426.909643] ? __run_timers+0x7da/0xc70 [ 426.914448] Total swap = 0kB [ 426.914455] 1965979 pages RAM [ 426.919804] ? _raw_spin_unlock_irq+0x27/0x80 [ 426.923845] 0 pages HighMem/MovableOnly [ 426.926851] ? _raw_spin_unlock_irq+0x27/0x80 [ 426.930788] 342867 pages reserved [ 426.930795] 0 pages cma reserved [ 426.933798] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 426.936952] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 426.941360] ? lockdep_hardirqs_on+0x296/0x5b0 [ 426.945386] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 426.949789] ? trace_hardirqs_on+0xbd/0x310 [ 426.953213] syz-fuzzer cpuset= [ 426.956561] ? kasan_check_read+0x11/0x20 [ 426.956602] ? __run_timers+0x7da/0xc70 [ 426.961413] / [ 426.967891] ? trace_hardirqs_off_caller+0x310/0x310 [ 426.972444] mems_allowed=0 [ 426.982661] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 427.012717] __run_timers+0x7e5/0xc70 [ 427.016519] ? timer_fixup_init+0x70/0x70 [ 427.020660] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 427.025682] ? zap_class+0x640/0x640 [ 427.029392] ? enqueue_hrtimer+0x1a5/0x560 [ 427.033621] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 427.038809] ? find_held_lock+0x36/0x1c0 [ 427.042879] ? zap_class+0x640/0x640 [ 427.046593] ? pvclock_read_flags+0x160/0x160 [ 427.051086] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.056615] ? check_preemption_disabled+0x48/0x280 [ 427.061633] ? __lock_is_held+0xb5/0x140 [ 427.065686] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.071226] ? check_preemption_disabled+0x48/0x280 [ 427.076245] run_timer_softirq+0x52/0xb0 [ 427.080299] ? rcu_read_lock_sched_held+0x14f/0x180 [ 427.085308] __do_softirq+0x308/0xb7e [ 427.089106] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 427.093594] ? lock_downgrade+0x900/0x900 [ 427.097741] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 427.102856] ? pvclock_read_flags+0x160/0x160 [ 427.107355] ? lapic_next_event+0x5a/0x90 [ 427.111514] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.117057] ? kvm_clock_read+0x18/0x30 [ 427.121020] ? kvm_sched_clock_read+0x9/0x20 [ 427.125419] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.130950] ? check_preemption_disabled+0x48/0x280 [ 427.135968] irq_exit+0x17f/0x1c0 [ 427.139410] smp_apic_timer_interrupt+0x1cb/0x760 [ 427.144240] ? smp_reschedule_interrupt+0x109/0x650 [ 427.149256] ? smp_call_function_single_interrupt+0x650/0x650 [ 427.155134] ? interrupt_entry+0xb5/0xc0 [ 427.159190] ? trace_hardirqs_off_caller+0xbb/0x310 [ 427.164196] ? trace_hardirqs_off_caller+0xbb/0x310 [ 427.169293] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 427.174143] ? trace_hardirqs_on_caller+0x310/0x310 [ 427.179152] ? trace_hardirqs_on_caller+0x310/0x310 [ 427.184163] ? task_prio+0x50/0x50 [ 427.187702] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.193235] ? check_preemption_disabled+0x48/0x280 [ 427.198249] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 427.203109] apic_timer_interrupt+0xf/0x20 [ 427.207330] [ 427.209571] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 427.214496] Code: 7e 0f 85 cf fe ff ff e8 f6 d7 3f ff e9 c5 fe ff ff e8 4d a2 c3 ff 48 83 3d a5 50 91 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 6a b1 [ 427.233387] RSP: 0000:ffff88019c63f740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 427.241111] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 427.248381] RDX: 0000000000000000 RSI: ffff8801929e68c0 RDI: 0000000000000286 [ 427.255641] RBP: ffff88019c63f7a8 R08: ffff8801929e6040 R09: 0000000000000000 [ 427.262911] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 427.270257] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020 [ 427.277566] skb_clone+0x1bb/0x500 [ 427.281109] ? finish_task_switch+0x2f4/0x910 [ 427.285599] ? skb_split+0x11e0/0x11e0 [ 427.289482] ? preempt_notifier_register+0x200/0x200 [ 427.294589] ? __switch_to_asm+0x34/0x70 [ 427.298642] ? __switch_to_asm+0x34/0x70 [ 427.302783] ? __switch_to_asm+0x40/0x70 [ 427.306864] ? __switch_to_asm+0x34/0x70 [ 427.310929] ? __switch_to_asm+0x40/0x70 [ 427.314981] ? __switch_to_asm+0x34/0x70 [ 427.319035] ? __switch_to_asm+0x40/0x70 [ 427.323087] ? __switch_to_asm+0x34/0x70 [ 427.327142] ? __switch_to_asm+0x34/0x70 [ 427.331191] ? __switch_to_asm+0x40/0x70 [ 427.335242] ? __switch_to_asm+0x34/0x70 [ 427.339297] bpf_clone_redirect+0xb9/0x490 [ 427.343553] ? __schedule+0x8d7/0x21d0 [ 427.347438] bpf_prog_bebbfe2050753572+0x325/0x1000 [ 427.352448] ? __sched_text_start+0x8/0x8 [ 427.356597] ? find_held_lock+0x36/0x1c0 [ 427.360667] ? lock_acquire+0x1ed/0x520 [ 427.364635] ? bpf_test_run+0x3cb/0x780 [ 427.368695] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.374224] ? check_preemption_disabled+0x48/0x280 [ 427.379238] ? kasan_check_read+0x11/0x20 [ 427.383379] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 427.388654] ? rcu_softirq_qs+0x20/0x20 [ 427.392625] ? preempt_schedule+0x4d/0x60 [ 427.396770] ? ___preempt_schedule+0x16/0x18 [ 427.401179] ? bpf_test_run+0x25d/0x780 [ 427.405156] ? netlink_diag_dump+0x2a0/0x2a0 [ 427.409561] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 427.415103] ? bpf_test_init.isra.10+0x70/0x100 [ 427.419769] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 427.424542] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 427.429377] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 427.434905] ? fput+0x130/0x1a0 [ 427.438178] ? __bpf_prog_get+0x9b/0x290 [ 427.442234] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 427.447084] ? bpf_prog_test_run+0x130/0x1a0 [ 427.451487] ? __x64_sys_bpf+0x3d8/0x520 [ 427.455550] ? bpf_prog_get+0x20/0x20 [ 427.459362] ? do_syscall_64+0x1b9/0x820 [ 427.463421] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 427.468778] ? syscall_return_slowpath+0x5e0/0x5e0 [ 427.473707] ? trace_hardirqs_on_caller+0x310/0x310 [ 427.478723] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 427.483749] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 427.490407] ? __switch_to_asm+0x40/0x70 [ 427.494457] ? __switch_to_asm+0x34/0x70 [ 427.498517] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 427.503371] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 427.509274] CPU: 1 PID: 5375 Comm: syz-fuzzer Not tainted 4.19.0+ #72 [ 427.509350] aoe: skb alloc failure [ 427.515843] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 427.515848] Call Trace: [ 427.515853] [ 427.515869] dump_stack+0x244/0x39d [ 427.515887] ? dump_stack_print_info.cold.1+0x20/0x20 [ 427.519419] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 427.528768] warn_alloc.cold.117+0xb7/0x1bd [ 427.531320] syz-executor0 cpuset= [ 427.533454] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 427.537048] syz0 [ 427.542235] ? lock_downgrade+0x900/0x900 [ 427.552691] mems_allowed=0 [ 427.556997] ? trace_hardirqs_off+0xb8/0x310 [ 427.578641] ? trace_hardirqs_off+0xb8/0x310 [ 427.583077] __alloc_pages_slowpath+0x2660/0x2d70 [ 427.587942] ? warn_alloc+0x120/0x120 [ 427.591744] ? warn_alloc+0x120/0x120 [ 427.595556] ? print_usage_bug+0xc0/0xc0 [ 427.599611] ? warn_alloc+0x120/0x120 [ 427.603422] ? print_usage_bug+0xc0/0xc0 [ 427.607492] ? __lock_acquire+0x62f/0x4c20 [ 427.611726] ? __lock_acquire+0x62f/0x4c20 [ 427.615959] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 427.621498] ? should_fail+0x22d/0xd01 [ 427.625385] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 427.630657] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 427.635761] ? __lock_acquire+0x62f/0x4c20 [ 427.639994] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 427.645095] ? __lock_acquire+0x62f/0x4c20 [ 427.649332] ? should_fail+0x22d/0xd01 [ 427.653212] ? rcu_irq_exit+0x1a2/0x390 [ 427.657190] ? mark_held_locks+0x130/0x130 [ 427.661440] ? mark_held_locks+0x130/0x130 [ 427.665674] ? mark_held_locks+0xc7/0x130 [ 427.669814] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 427.674826] ? zap_class+0x640/0x640 [ 427.679058] ? print_usage_bug+0xc0/0xc0 [ 427.683116] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.688645] ? check_preemption_disabled+0x48/0x280 [ 427.693663] ? __lock_is_held+0xb5/0x140 [ 427.697726] __alloc_pages_nodemask+0xa80/0xde0 [ 427.702388] ? zap_class+0x640/0x640 [ 427.706103] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 427.711118] ? find_held_lock+0x36/0x1c0 [ 427.715198] ? ____cache_alloc_node+0x1c7/0x1e0 [ 427.719865] ? lock_downgrade+0x900/0x900 [ 427.724016] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.729551] cache_grow_begin+0xa5/0x8c0 [ 427.733608] ? do_raw_spin_unlock+0xa7/0x330 [ 427.738018] fallback_alloc+0x204/0x2e0 [ 427.741991] ____cache_alloc_node+0x1c7/0x1e0 [ 427.746492] kmem_cache_alloc_node+0xe3/0x730 [ 427.750991] ? ipv6_get_ifaddr+0x42e/0x620 [ 427.755230] __alloc_skb+0x119/0x770 [ 427.758941] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 427.764219] ? netdev_alloc_frag+0x1f0/0x1f0 [ 427.768630] ? lock_downgrade+0x900/0x900 [ 427.772775] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.778309] ? refcount_sub_and_test_checked+0x203/0x310 [ 427.783758] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 427.789203] ? addrconf_rs_timer+0x690/0x690 [ 427.793634] ndisc_alloc_skb+0x144/0x340 [ 427.797693] ndisc_send_rs+0x331/0x6e0 [ 427.801591] addrconf_rs_timer+0x314/0x690 [ 427.805829] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 427.810068] call_timer_fn+0x272/0x920 [ 427.813944] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 427.818179] ? process_timeout+0x40/0x40 [ 427.822241] ? mark_held_locks+0xc7/0x130 [ 427.826387] ? _raw_spin_unlock_irq+0x27/0x80 [ 427.830875] ? _raw_spin_unlock_irq+0x27/0x80 [ 427.835363] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 427.839590] ? lockdep_hardirqs_on+0x296/0x5b0 [ 427.844178] ? trace_hardirqs_on+0xbd/0x310 [ 427.848517] ? kasan_check_read+0x11/0x20 [ 427.852665] ? __run_timers+0x7da/0xc70 [ 427.856634] ? trace_hardirqs_off_caller+0x310/0x310 [ 427.861734] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 427.865968] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 427.870198] __run_timers+0x7e5/0xc70 [ 427.873990] ? rcu_irq_exit+0x1a2/0x390 [ 427.877970] ? timer_fixup_init+0x70/0x70 [ 427.882120] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.887647] ? check_preemption_disabled+0x48/0x280 [ 427.892667] ? mark_held_locks+0xc7/0x130 [ 427.896805] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 427.901823] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 427.906574] ? retint_kernel+0x2d/0x2d [ 427.910452] ? trace_hardirqs_on_caller+0xc0/0x310 [ 427.915373] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 427.920129] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 427.925572] ? zap_class+0x640/0x640 [ 427.929285] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.934933] ? check_preemption_disabled+0x48/0x280 [ 427.939948] ? __lock_is_held+0xb5/0x140 [ 427.944020] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.949548] ? check_preemption_disabled+0x48/0x280 [ 427.954563] run_timer_softirq+0x52/0xb0 [ 427.958615] ? rcu_read_lock_sched_held+0x14f/0x180 [ 427.963633] __do_softirq+0x308/0xb7e [ 427.967427] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 427.971919] ? lock_downgrade+0x900/0x900 [ 427.976078] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 427.981200] ? pvclock_read_flags+0x160/0x160 [ 427.985689] ? lapic_next_event+0x5a/0x90 [ 427.989834] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.995365] ? kvm_clock_read+0x18/0x30 [ 427.999342] ? kvm_sched_clock_read+0x9/0x20 [ 428.003764] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.009294] ? check_preemption_disabled+0x48/0x280 [ 428.014311] irq_exit+0x17f/0x1c0 [ 428.017757] smp_apic_timer_interrupt+0x1cb/0x760 [ 428.022589] ? smp_reschedule_interrupt+0x109/0x650 [ 428.027600] ? smp_call_function_single_interrupt+0x650/0x650 [ 428.033475] ? interrupt_entry+0xb5/0xc0 [ 428.037536] ? trace_hardirqs_off_caller+0xbb/0x310 [ 428.042542] ? trace_hardirqs_off_caller+0xbb/0x310 [ 428.047555] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 428.052390] ? trace_hardirqs_on_caller+0x310/0x310 [ 428.057396] ? trace_hardirqs_on_caller+0x310/0x310 [ 428.062400] ? task_prio+0x50/0x50 [ 428.065935] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 428.071464] ? check_preemption_disabled+0x48/0x280 [ 428.076498] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 428.081338] apic_timer_interrupt+0xf/0x20 [ 428.085578] [ 428.087812] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 428.092999] Code: 00 e8 95 31 8e f9 e8 90 e2 bd f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d ea 90 8b 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d c0 90 [ 428.111896] RSP: 0000:ffff8801c4c0e140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 428.119598] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003afce19e [ 428.126860] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d7e70c7c [ 428.134137] RBP: ffff8801c4c0e168 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 428.141398] R10: 0000000000000000 R11: ffff8801d7e70400 R12: dffffc0000000000 [ 428.148659] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478 [ 428.155949] retint_kernel+0x1b/0x2d [ 428.159674] RIP: 0010:dump_stack+0x358/0x39d [ 428.164076] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 91 c1 00 fa 48 83 3d 99 b9 91 01 00 0f 84 63 fe ff ff e8 ee e6 bd f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db e6 bd f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 428.182967] RSP: 0000:ffff8801c4c0e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 428.190671] RAX: ffff8801d7e70400 RBX: 1ffffffff12a3e8e RCX: 1ffff1003afce19e [ 428.197932] RDX: 0000000000000000 RSI: ffffffff87c03ae2 RDI: 0000000000000293 [ 428.205192] RBP: ffff8801c4c0e2c8 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 428.212454] R10: 0000000000000000 R11: ffff8801d7e70400 R12: 1ffff10038981c4c [ 428.219721] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 428.226999] ? dump_stack+0x34f/0x39d [ 428.230802] ? dump_stack_print_info.cold.1+0x20/0x20 [ 428.235998] dump_header+0x27b/0xf72 [ 428.239732] ? mark_held_locks+0x130/0x130 [ 428.243964] ? pagefault_out_of_memory+0x197/0x197 [ 428.248926] ? __lock_acquire+0x62f/0x4c20 [ 428.253156] ? zap_class+0x640/0x640 [ 428.256873] ? percpu_ref_get_many+0x240/0x240 [ 428.261448] ? print_usage_bug+0xc0/0xc0 [ 428.265508] ? print_usage_bug+0xc0/0xc0 [ 428.269568] ? zap_class+0x640/0x640 [ 428.273274] ? print_usage_bug+0xc0/0xc0 [ 428.277341] ? print_usage_bug+0xc0/0xc0 [ 428.281415] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.286952] ? find_held_lock+0x36/0x1c0 [ 428.291035] ? mark_held_locks+0xc7/0x130 [ 428.295179] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 428.300275] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 428.305372] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 428.309950] ? trace_hardirqs_on+0xbd/0x310 [ 428.314265] ? kasan_check_read+0x11/0x20 [ 428.318414] ? ___ratelimit+0x3b4/0x672 [ 428.322386] ? trace_hardirqs_off_caller+0x310/0x310 [ 428.327505] ? trace_hardirqs_on+0x310/0x310 [ 428.331907] ? lock_downgrade+0x900/0x900 [ 428.336055] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 428.341151] ? ___ratelimit+0x3b9/0x672 [ 428.345132] ? idr_get_free+0xec0/0xec0 [ 428.349120] ? find_held_lock+0x36/0x1c0 [ 428.353182] oom_kill_process.cold.27+0x10/0x903 [ 428.357935] ? zap_class+0x640/0x640 [ 428.361645] ? check_preemption_disabled+0x48/0x280 [ 428.366661] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 428.371588] ? kasan_check_read+0x11/0x20 [ 428.375731] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 428.381006] ? oom_evaluate_task+0x540/0x540 [ 428.385419] ? find_held_lock+0x36/0x1c0 [ 428.389507] ? out_of_memory+0x974/0x1430 [ 428.393651] ? lock_downgrade+0x900/0x900 [ 428.397806] ? check_preemption_disabled+0x48/0x280 [ 428.402824] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 428.407746] ? kasan_check_read+0x11/0x20 [ 428.411889] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 428.417177] ? rcu_softirq_qs+0x20/0x20 [ 428.421147] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 428.426696] ? oom_evaluate_task+0x302/0x540 [ 428.431101] out_of_memory+0xa84/0x1430 [ 428.435079] ? oom_killer_disable+0x3a0/0x3a0 [ 428.439569] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 428.444492] ? __mutex_add_waiter+0x2a0/0x2a0 [ 428.448989] __alloc_pages_slowpath+0x22d4/0x2d70 [ 428.453855] ? warn_alloc+0x120/0x120 [ 428.457650] ? rcu_softirq_qs+0x20/0x20 [ 428.461658] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 428.467187] ? should_fail+0x22d/0xd01 [ 428.471073] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 428.476172] ? zap_class+0x640/0x640 [ 428.479902] ? __lock_is_held+0xb5/0x140 [ 428.483969] ? mark_held_locks+0x130/0x130 [ 428.488208] ? lock_release+0xa00/0xa00 [ 428.492186] ? perf_trace_sched_process_exec+0x860/0x860 [ 428.497635] ? __might_sleep+0x95/0x190 [ 428.501607] __alloc_pages_nodemask+0xa80/0xde0 [ 428.506276] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 428.511289] ? __page_cache_alloc+0x191/0x5c0 [ 428.515811] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 428.520765] ? kasan_check_read+0x11/0x20 [ 428.524920] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 428.530195] ? zap_class+0x640/0x640 [ 428.533911] ? zap_class+0x640/0x640 [ 428.537620] ? zap_class+0x640/0x640 [ 428.541326] ? __do_page_cache_readahead+0x7ce/0x980 [ 428.546428] ? find_held_lock+0x36/0x1c0 [ 428.550494] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 428.556034] alloc_pages_current+0x173/0x350 [ 428.560460] __page_cache_alloc+0x38c/0x5c0 [ 428.564780] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 428.569701] ? kasan_check_read+0x11/0x20 [ 428.573846] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 428.579125] ? generic_perform_write+0x6a0/0x6a0 [ 428.583908] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 428.589447] ? check_preemption_disabled+0x48/0x280 [ 428.594470] filemap_fault+0x1594/0x25f0 [ 428.598536] ? __lock_page_or_retry+0xa00/0xa00 [ 428.603203] ? mark_held_locks+0x130/0x130 [ 428.607447] ? rcu_softirq_qs+0x20/0x20 [ 428.611426] ? filemap_map_pages+0xe04/0x1990 [ 428.615948] ? __free_object+0x173/0x340 [ 428.620021] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 428.624955] ? trace_hardirqs_off_caller+0x310/0x310 [ 428.630056] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 428.634729] ? debug_object_free+0x32d/0x690 [ 428.639130] ? kasan_check_read+0x11/0x20 [ 428.643272] ? debug_object_destroy+0x2b0/0x2b0 [ 428.648357] ? lock_pi_update_atomic+0x150/0x150 [ 428.653108] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.658635] ? __hrtimer_init+0xdb/0x240 [ 428.662696] ? lock_acquire+0x1ed/0x520 [ 428.666664] ? ext4_filemap_fault+0x7a/0xad [ 428.670985] ? lock_release+0xa00/0xa00 [ 428.674955] ? perf_trace_sched_process_exec+0x860/0x860 [ 428.680399] ? print_usage_bug+0xc0/0xc0 [ 428.684478] ? print_usage_bug+0xc0/0xc0 [ 428.688558] ? down_read+0x8d/0x120 [ 428.692179] ? ext4_filemap_fault+0x7a/0xad [ 428.696523] ? __down_interruptible+0x700/0x700 [ 428.701194] ext4_filemap_fault+0x82/0xad [ 428.705347] __do_fault+0x100/0x6b0 [ 428.708974] ? pmd_devmap_trans_unstable+0x220/0x220 [ 428.714072] ? mark_held_locks+0x130/0x130 [ 428.718316] ? mark_held_locks+0x130/0x130 [ 428.722550] ? debug_smp_processor_id+0x1c/0x20 [ 428.727211] ? perf_trace_lock+0x14d/0x7a0 [ 428.731470] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 428.737003] __handle_mm_fault+0x307c/0x5920 [ 428.741442] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 428.746303] ? lock_is_held_type+0x210/0x210 [ 428.750725] ? zap_class+0x640/0x640 [ 428.754441] ? zap_class+0x640/0x640 [ 428.758151] ? __x64_sys_futex+0x53e/0x6a0 [ 428.762388] ? find_held_lock+0x36/0x1c0 [ 428.766457] ? handle_mm_fault+0x42a/0xc70 [ 428.770683] ? lock_downgrade+0x900/0x900 [ 428.774824] ? check_preemption_disabled+0x48/0x280 [ 428.779840] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 428.784762] ? kasan_check_read+0x11/0x20 [ 428.788904] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 428.794179] ? rcu_softirq_qs+0x20/0x20 [ 428.798148] ? trace_hardirqs_off_caller+0x310/0x310 [ 428.803246] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 428.808791] ? check_preemption_disabled+0x48/0x280 [ 428.813811] handle_mm_fault+0x54f/0xc70 [ 428.817872] ? __handle_mm_fault+0x5920/0x5920 [ 428.822457] ? find_vma+0x34/0x190 [ 428.826001] __do_page_fault+0x5e8/0xe60 [ 428.830066] ? trace_hardirqs_off+0xb8/0x310 [ 428.834469] ? __ia32_sys_read+0xb0/0xb0 [ 428.838530] do_page_fault+0xf2/0x7e0 [ 428.842323] ? vmalloc_sync_all+0x30/0x30 [ 428.846464] ? error_entry+0x70/0xd0 [ 428.850176] ? trace_hardirqs_off_caller+0xbb/0x310 [ 428.855187] ? trace_hardirqs_on_caller+0xc0/0x310 [ 428.860113] ? syscall_return_slowpath+0x5e0/0x5e0 [ 428.865033] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 428.869870] ? trace_hardirqs_on_caller+0x310/0x310 [ 428.874878] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 428.880324] ? prepare_exit_to_usermode+0x291/0x3b0 [ 428.885344] ? page_fault+0x8/0x30 [ 428.888904] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 428.893752] ? page_fault+0x8/0x30 [ 428.897284] page_fault+0x1e/0x30 [ 428.900729] RIP: 0033:0x45ddf3 [ 428.903930] Code: Bad RIP value. [ 428.907282] RSP: 002b:000000c4200206a0 EFLAGS: 00010206 [ 428.912640] RAX: ffffffffffffff92 RBX: 000000003b974269 RCX: 000000000045ddf3 [ 428.919901] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e1060 [ 428.927172] RBP: 000000c4200206e8 R08: 0000000000000000 R09: 0000000000000000 [ 428.934433] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001 [ 428.941703] R13: 0000000000000007 R14: 0000000000b7f720 R15: 000000000000bdf9 [ 428.948986] warn_alloc_show_mem: 1 callbacks suppressed [ 428.948995] CPU: 0 PID: 17787 Comm: syz-executor0 Not tainted 4.19.0+ #72 [ 428.948997] Mem-Info: [ 428.949026] active_anon:46452 inactive_anon:2315 isolated_anon:0 [ 428.949026] active_file:13 inactive_file:13 isolated_file:0 [ 428.949026] unevictable:0 dirty:0 writeback:0 unstable:0 [ 428.949026] slab_reclaimable:9341 slab_unreclaimable:1470635 [ 428.949026] mapped:24578 shmem:7010 pagetables:528 bounce:0 [ 428.949026] free:13753 free_pcp:603 free_cma:0 [ 428.954363] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 428.961281] Node 0 active_anon:185808kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:28040kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 428.963666] Call Trace: [ 428.996780] Node 0 [ 429.006121] [ 429.033703] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 429.036255] dump_stack+0x244/0x39d [ 429.038472] lowmem_reserve[]: [ 429.040611] ? dump_stack_print_info.cold.1+0x20/0x20 [ 429.066101] 0 2818 [ 429.069732] warn_alloc.cold.117+0xb7/0x1bd [ 429.072807] 6321 [ 429.077980] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 429.080195] 6321 [ 429.084508] ? lock_downgrade+0x900/0x900 [ 429.086543] Node 0 [ 429.091372] ? trace_hardirqs_off+0xb8/0x310 [ 429.093422] DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 429.093428] lowmem_reserve[]: [ 429.097563] ? trace_hardirqs_off+0xb8/0x310 [ 429.099765] 0 [ 429.104160] __alloc_pages_slowpath+0x2660/0x2d70 [ 429.131101] 0 3503 [ 429.134317] ? native_queued_spin_lock_slowpath+0x1ec/0x13d0 [ 429.138674] 3503 [ 429.140503] ? warn_alloc+0x120/0x120 [ 429.145314] Node 0 [ 429.147539] ? __lock_acquire+0x62f/0x4c20 [ 429.153330] Normal free:13924kB min:37364kB low:46704kB high:56044kB active_anon:183760kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5536kB pagetables:2112kB bounce:0kB free_pcp:2164kB local_pcp:1336kB free_cma:0kB [ 429.155355] ? __lock_acquire+0x62f/0x4c20 [ 429.159123] lowmem_reserve[]: [ 429.161348] ? warn_alloc+0x120/0x120 [ 429.165550] 0 [ 429.194074] ? print_usage_bug+0xc0/0xc0 [ 429.198277] 0 [ 429.201367] ? warn_alloc+0x120/0x120 [ 429.205135] 0 [ 429.206926] ? print_usage_bug+0xc0/0xc0 [ 429.210950] 0 [ 429.212747] ? mark_held_locks+0x130/0x130 [ 429.216516] Node 0 [ 429.218302] ? mark_held_locks+0x130/0x130 [ 429.222328] DMA: 1*4kB [ 429.224126] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 429.228328] (U) [ 429.230560] ? should_fail+0x22d/0xd01 [ 429.234759] 0*8kB 0*16kB [ 429.237341] ? zap_class+0x640/0x640 [ 429.242846] 1*32kB [ 429.244827] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 429.248684] (U) [ 429.251428] ? __lock_acquire+0x62f/0x4c20 [ 429.255107] 2*64kB (U) [ 429.257339] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 429.262414] 1*128kB [ 429.264376] ? should_fail+0x22d/0xd01 [ 429.268588] (U) [ 429.271172] ? mark_held_locks+0x130/0x130 [ 429.276235] 1*256kB (U) [ 429.278561] ? mark_held_locks+0x130/0x130 [ 429.282421] 0*512kB [ 429.284397] ? lock_downgrade+0x900/0x900 [ 429.288599] 1*1024kB [ 429.291251] ? zap_class+0x640/0x640 [ 429.295453] (U) [ 429.297762] ? zap_class+0x640/0x640 [ 429.301873] 1*2048kB (M) [ 429.304278] ? zap_class+0x640/0x640 [ 429.307960] 3*4096kB (M) [ 429.309947] ? do_raw_spin_unlock+0xa7/0x330 [ 429.313626] = 15908kB [ 429.313633] Node 0 [ 429.316390] ? trace_hardirqs_on+0x310/0x310 [ 429.320063] DMA32: 5*4kB [ 429.322824] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.327203] (UM) [ 429.329606] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.331809] 1*8kB (H) [ 429.336206] ? check_preemption_disabled+0x48/0x280 [ 429.338928] 2*16kB (M) [ 429.344461] ? __lock_is_held+0xb5/0x140 [ 429.346489] 3*32kB (M) [ 429.352020] __alloc_pages_nodemask+0xa80/0xde0 [ 429.354482] 3*64kB (MH) [ 429.359491] ? zap_class+0x640/0x640 [ 429.362043] 4*128kB (M) [ 429.366095] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 429.368656] 5*256kB (UMH) [ 429.373327] ? find_held_lock+0x36/0x1c0 [ 429.375960] 5*512kB (UMH) [ 429.379684] ? ____cache_alloc_node+0x1c7/0x1e0 [ 429.382330] 4*1024kB (UMH) [ 429.387338] ? lock_downgrade+0x900/0x900 [ 429.390168] 2*2048kB (UM) [ 429.394222] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.397037] 3*4096kB (M) [ 429.401703] cache_grow_begin+0xa5/0x8c0 [ 429.404601] = 25180kB [ 429.404608] Node 0 [ 429.408737] ? do_raw_spin_unlock+0xa7/0x330 [ 429.411549] Normal: 1917*4kB [ 429.417084] fallback_alloc+0x204/0x2e0 [ 429.419808] (UME) [ 429.423858] ____cache_alloc_node+0x1c7/0x1e0 [ 429.426232] 392*8kB (UME) [ 429.428491] kmem_cache_alloc_node+0xe3/0x730 [ 429.432870] 105*16kB (UME) [ 429.435970] ? lockdep_hardirqs_on+0x296/0x5b0 [ 429.439908] 43*32kB (UM) [ 429.442071] __alloc_skb+0x119/0x770 [ 429.446527] 1*64kB (U) [ 429.449375] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 429.453827] 0*128kB 0*256kB [ 429.456750] ? netdev_alloc_frag+0x1f0/0x1f0 [ 429.461298] 0*512kB 0*1024kB [ 429.464053] ? vprintk_default+0x28/0x30 [ 429.467726] 0*2048kB 0*4096kB [ 429.470304] ? vprintk_func+0x85/0x181 [ 429.475663] = 13924kB [ 429.478680] ? printk+0xa7/0xcf [ 429.483065] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 429.486157] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 429.490196] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 429.493386] new_skb+0x26/0x1c0 [ 429.497235] 7036 total pagecache pages [ 429.499631] aoecmd_cfg+0x279/0x7f0 [ 429.502890] 0 pages in swap cache [ 429.512218] ? find_held_lock+0x36/0x1c0 [ 429.516946] Swap cache stats: add 0, delete 0, find 0/0 [ 429.516953] Free swap = 0kB [ 429.525518] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 429.528763] Total swap = 0kB [ 429.532636] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.536235] 1965979 pages RAM [ 429.539681] ? __lock_is_held+0xb5/0x140 [ 429.543701] 0 pages HighMem/MovableOnly [ 429.543709] 342867 pages reserved [ 429.549063] discover_timer+0x50/0x60 [ 429.552045] 0 pages cma reserved [ 429.556349] call_timer_fn+0x272/0x920 [ 429.559416] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 429.564876] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 429.564892] ? process_timeout+0x40/0x40 [ 429.564915] ? __run_timers+0x7da/0xc70 [ 429.568044] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 429.572040] ? _raw_spin_unlock_irq+0x27/0x80 [ 429.575985] syz-fuzzer cpuset= [ 429.579425] ? _raw_spin_unlock_irq+0x27/0x80 [ 429.583196] / [ 429.586554] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 429.586570] ? lockdep_hardirqs_on+0x296/0x5b0 [ 429.590438] mems_allowed=0 [ 429.596914] ? trace_hardirqs_on+0xbd/0x310 [ 429.650378] ? kasan_check_read+0x11/0x20 [ 429.654521] ? __run_timers+0x7da/0xc70 [ 429.658500] ? trace_hardirqs_off_caller+0x310/0x310 [ 429.663608] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 429.668450] __run_timers+0x7e5/0xc70 [ 429.672255] ? timer_fixup_init+0x70/0x70 [ 429.676882] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 429.681908] ? zap_class+0x640/0x640 [ 429.685617] ? enqueue_hrtimer+0x1a5/0x560 [ 429.689848] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 429.695040] ? find_held_lock+0x36/0x1c0 [ 429.699098] ? zap_class+0x640/0x640 [ 429.702806] ? pvclock_read_flags+0x160/0x160 [ 429.707332] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.712876] ? check_preemption_disabled+0x48/0x280 [ 429.717987] ? __lock_is_held+0xb5/0x140 [ 429.722055] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.727583] ? check_preemption_disabled+0x48/0x280 [ 429.732598] run_timer_softirq+0x52/0xb0 [ 429.736653] ? rcu_read_lock_sched_held+0x14f/0x180 [ 429.741663] __do_softirq+0x308/0xb7e [ 429.745462] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 429.749950] ? lock_downgrade+0x900/0x900 [ 429.754104] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 429.759207] ? pvclock_read_flags+0x160/0x160 [ 429.763710] ? lapic_next_event+0x5a/0x90 [ 429.767856] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.773411] ? kvm_clock_read+0x18/0x30 [ 429.777387] ? kvm_sched_clock_read+0x9/0x20 [ 429.781787] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.787316] ? check_preemption_disabled+0x48/0x280 [ 429.792354] irq_exit+0x17f/0x1c0 [ 429.795804] smp_apic_timer_interrupt+0x1cb/0x760 [ 429.800636] ? smp_reschedule_interrupt+0x109/0x650 [ 429.805644] ? smp_call_function_single_interrupt+0x650/0x650 [ 429.811526] ? interrupt_entry+0xb5/0xc0 [ 429.815586] ? trace_hardirqs_off_caller+0xbb/0x310 [ 429.820594] ? trace_hardirqs_off_caller+0xbb/0x310 [ 429.825605] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 429.830442] ? trace_hardirqs_on_caller+0x310/0x310 [ 429.835451] ? trace_hardirqs_on_caller+0x310/0x310 [ 429.840461] ? task_prio+0x50/0x50 [ 429.844002] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.849535] ? check_preemption_disabled+0x48/0x280 [ 429.854549] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 429.859410] apic_timer_interrupt+0xf/0x20 [ 429.863637] [ 429.865873] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 429.870798] Code: 7e 0f 85 cf fe ff ff e8 f6 d7 3f ff e9 c5 fe ff ff e8 4d a2 c3 ff 48 83 3d a5 50 91 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 6a b1 [ 429.889690] RSP: 0000:ffff88019c63f740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 429.897403] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 429.904663] RDX: 0000000000000000 RSI: ffff8801929e68c0 RDI: 0000000000000286 [ 429.911940] RBP: ffff88019c63f7a8 R08: ffff8801929e6040 R09: 0000000000000000 [ 429.919216] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 429.926476] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020 [ 429.933769] skb_clone+0x1bb/0x500 [ 429.937306] ? finish_task_switch+0x2f4/0x910 [ 429.941806] ? skb_split+0x11e0/0x11e0 [ 429.945687] ? preempt_notifier_register+0x200/0x200 [ 429.950779] ? __switch_to_asm+0x34/0x70 [ 429.954831] ? __switch_to_asm+0x34/0x70 [ 429.958888] ? __switch_to_asm+0x40/0x70 [ 429.962943] ? __switch_to_asm+0x34/0x70 [ 429.967083] ? __switch_to_asm+0x40/0x70 [ 429.971137] ? __switch_to_asm+0x34/0x70 [ 429.975191] ? __switch_to_asm+0x40/0x70 [ 429.979243] ? __switch_to_asm+0x34/0x70 [ 429.983297] ? __switch_to_asm+0x34/0x70 [ 429.987359] ? __switch_to_asm+0x40/0x70 [ 429.991419] ? __switch_to_asm+0x34/0x70 [ 429.995480] bpf_clone_redirect+0xb9/0x490 [ 429.999704] ? __schedule+0x8d7/0x21d0 [ 430.003589] bpf_prog_bebbfe2050753572+0x325/0x1000 [ 430.008601] ? __sched_text_start+0x8/0x8 [ 430.012751] ? find_held_lock+0x36/0x1c0 [ 430.016811] ? lock_acquire+0x1ed/0x520 [ 430.020781] ? bpf_test_run+0x3cb/0x780 [ 430.024755] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.030280] ? check_preemption_disabled+0x48/0x280 [ 430.035292] ? kasan_check_read+0x11/0x20 [ 430.039446] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 430.044717] ? rcu_softirq_qs+0x20/0x20 [ 430.048783] ? preempt_schedule+0x4d/0x60 [ 430.052920] ? ___preempt_schedule+0x16/0x18 [ 430.057338] ? bpf_test_run+0x25d/0x780 [ 430.061347] ? netlink_diag_dump+0x2a0/0x2a0 [ 430.065755] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 430.071285] ? bpf_test_init.isra.10+0x70/0x100 [ 430.075973] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 430.080733] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 430.085570] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 430.091122] ? fput+0x130/0x1a0 [ 430.094398] ? __bpf_prog_get+0x9b/0x290 [ 430.098466] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 430.103305] ? bpf_prog_test_run+0x130/0x1a0 [ 430.107743] ? __x64_sys_bpf+0x3d8/0x520 [ 430.111798] ? bpf_prog_get+0x20/0x20 [ 430.115619] ? do_syscall_64+0x1b9/0x820 [ 430.119674] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 430.125033] ? syscall_return_slowpath+0x5e0/0x5e0 [ 430.129962] ? trace_hardirqs_on_caller+0x310/0x310 [ 430.134989] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 430.139997] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 430.146656] ? __switch_to_asm+0x40/0x70 [ 430.150707] ? __switch_to_asm+0x34/0x70 [ 430.154785] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 430.159628] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 430.165006] CPU: 1 PID: 5375 Comm: syz-fuzzer Not tainted 4.19.0+ #72 [ 430.165076] aoe: skb alloc failure [ 430.171584] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 430.171591] Call Trace: [ 430.175184] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 430.184470] [ 430.187033] syz-executor0 cpuset= [ 430.197502] dump_stack+0x244/0x39d [ 430.199623] syz0 [ 430.203063] ? dump_stack_print_info.cold.1+0x20/0x20 [ 430.206664] mems_allowed=0 [ 430.208636] warn_alloc.cold.117+0xb7/0x1bd [ 430.221013] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 430.225856] ? lock_downgrade+0x900/0x900 [ 430.230001] ? trace_hardirqs_off+0xb8/0x310 [ 430.234410] ? trace_hardirqs_off+0xb8/0x310 [ 430.238826] __alloc_pages_slowpath+0x2660/0x2d70 [ 430.243693] ? warn_alloc+0x120/0x120 [ 430.247502] ? warn_alloc+0x120/0x120 [ 430.251307] ? print_usage_bug+0xc0/0xc0 [ 430.255368] ? warn_alloc+0x120/0x120 [ 430.259163] ? print_usage_bug+0xc0/0xc0 [ 430.263216] ? __lock_acquire+0x62f/0x4c20 [ 430.267447] ? __lock_acquire+0x62f/0x4c20 [ 430.271683] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 430.277211] ? should_fail+0x22d/0xd01 [ 430.281107] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 430.286204] ? __lock_acquire+0x62f/0x4c20 [ 430.290439] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 430.295536] ? __lock_acquire+0x62f/0x4c20 [ 430.299762] ? should_fail+0x22d/0xd01 [ 430.303643] ? find_held_lock+0x36/0x1c0 [ 430.307710] ? mark_held_locks+0x130/0x130 [ 430.311943] ? mark_held_locks+0x130/0x130 [ 430.316168] ? zap_class+0x640/0x640 [ 430.319873] ? zap_class+0x640/0x640 [ 430.323582] ? print_usage_bug+0xc0/0xc0 [ 430.327639] ? do_raw_spin_unlock+0xa7/0x330 [ 430.332066] ? zap_class+0x640/0x640 [ 430.335784] ? print_usage_bug+0xc0/0xc0 [ 430.339842] ? wq_watchdog_touch+0x9c/0xfe [ 430.344077] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.349609] ? check_preemption_disabled+0x48/0x280 [ 430.354631] ? __lock_is_held+0xb5/0x140 [ 430.358692] __alloc_pages_nodemask+0xa80/0xde0 [ 430.363356] ? zap_class+0x640/0x640 [ 430.367070] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 430.372087] ? find_held_lock+0x36/0x1c0 [ 430.376152] ? ____cache_alloc_node+0x1c7/0x1e0 [ 430.380818] ? lock_downgrade+0x900/0x900 [ 430.384970] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.390508] cache_grow_begin+0xa5/0x8c0 [ 430.394563] ? do_raw_spin_unlock+0xa7/0x330 [ 430.398972] fallback_alloc+0x204/0x2e0 [ 430.402969] ____cache_alloc_node+0x1c7/0x1e0 [ 430.407463] kmem_cache_alloc_node+0xe3/0x730 [ 430.411954] ? ipv6_get_ifaddr+0x42e/0x620 [ 430.416190] __alloc_skb+0x119/0x770 [ 430.419921] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 430.425195] ? netdev_alloc_frag+0x1f0/0x1f0 [ 430.429597] ? lock_downgrade+0x900/0x900 [ 430.433748] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.439279] ? refcount_sub_and_test_checked+0x203/0x310 [ 430.444734] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 430.450178] ? addrconf_rs_timer+0x690/0x690 [ 430.454591] ndisc_alloc_skb+0x144/0x340 [ 430.458663] ndisc_send_rs+0x331/0x6e0 [ 430.462551] addrconf_rs_timer+0x314/0x690 [ 430.466787] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 430.471031] call_timer_fn+0x272/0x920 [ 430.474914] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 430.479143] ? process_timeout+0x40/0x40 [ 430.483215] ? mark_held_locks+0xc7/0x130 [ 430.487363] ? _raw_spin_unlock_irq+0x27/0x80 [ 430.491851] ? _raw_spin_unlock_irq+0x27/0x80 [ 430.496353] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 430.500601] ? lockdep_hardirqs_on+0x296/0x5b0 [ 430.505182] ? trace_hardirqs_on+0xbd/0x310 [ 430.509493] ? kasan_check_read+0x11/0x20 [ 430.513634] ? __run_timers+0x7da/0xc70 [ 430.517605] ? trace_hardirqs_off_caller+0x310/0x310 [ 430.522712] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 430.526944] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 430.531170] __run_timers+0x7e5/0xc70 [ 430.534969] ? rcu_irq_exit+0x1a2/0x390 [ 430.538947] ? timer_fixup_init+0x70/0x70 [ 430.543087] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.548618] ? check_preemption_disabled+0x48/0x280 [ 430.553638] ? mark_held_locks+0xc7/0x130 [ 430.557779] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 430.562804] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 430.567579] ? retint_kernel+0x2d/0x2d [ 430.571491] ? trace_hardirqs_on_caller+0xc0/0x310 [ 430.576425] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 430.581177] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 430.586625] ? zap_class+0x640/0x640 [ 430.590338] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.595871] ? check_preemption_disabled+0x48/0x280 [ 430.600890] ? __lock_is_held+0xb5/0x140 [ 430.604989] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.610518] ? check_preemption_disabled+0x48/0x280 [ 430.615531] run_timer_softirq+0x52/0xb0 [ 430.619585] ? rcu_read_lock_sched_held+0x14f/0x180 [ 430.624597] __do_softirq+0x308/0xb7e [ 430.628396] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 430.632885] ? lock_downgrade+0x900/0x900 [ 430.637032] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 430.642136] ? pvclock_read_flags+0x160/0x160 [ 430.646627] ? lapic_next_event+0x5a/0x90 [ 430.650772] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.656332] ? kvm_clock_read+0x18/0x30 [ 430.660304] ? kvm_sched_clock_read+0x9/0x20 [ 430.664708] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.670238] ? check_preemption_disabled+0x48/0x280 [ 430.675271] irq_exit+0x17f/0x1c0 [ 430.679221] smp_apic_timer_interrupt+0x1cb/0x760 [ 430.684059] ? smp_reschedule_interrupt+0x109/0x650 [ 430.689069] ? smp_call_function_single_interrupt+0x650/0x650 [ 430.694947] ? interrupt_entry+0xb5/0xc0 [ 430.699002] ? trace_hardirqs_off_caller+0xbb/0x310 [ 430.704012] ? trace_hardirqs_off_caller+0xbb/0x310 [ 430.709021] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 430.713858] ? trace_hardirqs_on_caller+0x310/0x310 [ 430.718870] ? trace_hardirqs_on_caller+0x310/0x310 [ 430.723880] ? task_prio+0x50/0x50 [ 430.727414] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 430.732948] ? check_preemption_disabled+0x48/0x280 [ 430.737961] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 430.742802] apic_timer_interrupt+0xf/0x20 [ 430.747023] [ 430.749255] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 430.754450] Code: 00 e8 95 31 8e f9 e8 90 e2 bd f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d ea 90 8b 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d c0 90 [ 430.773342] RSP: 0000:ffff8801c4c0e140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 430.781044] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003afce19e [ 430.788304] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d7e70c7c [ 430.795568] RBP: ffff8801c4c0e168 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 430.802845] R10: 0000000000000000 R11: ffff8801d7e70400 R12: dffffc0000000000 [ 430.810107] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478 [ 430.817394] retint_kernel+0x1b/0x2d [ 430.821101] RIP: 0010:dump_stack+0x358/0x39d [ 430.825505] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 91 c1 00 fa 48 83 3d 99 b9 91 01 00 0f 84 63 fe ff ff e8 ee e6 bd f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db e6 bd f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 430.844394] RSP: 0000:ffff8801c4c0e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 430.852095] RAX: ffff8801d7e70400 RBX: 1ffffffff12a3e8e RCX: 1ffff1003afce19e [ 430.859356] RDX: 0000000000000000 RSI: ffffffff87c03ae2 RDI: 0000000000000293 [ 430.866620] RBP: ffff8801c4c0e2c8 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 430.873883] R10: 0000000000000000 R11: ffff8801d7e70400 R12: 1ffff10038981c4c [ 430.881144] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 430.888419] ? dump_stack+0x34f/0x39d [ 430.892225] ? dump_stack_print_info.cold.1+0x20/0x20 [ 430.897426] dump_header+0x27b/0xf72 [ 430.901157] ? mark_held_locks+0x130/0x130 [ 430.905384] ? pagefault_out_of_memory+0x197/0x197 [ 430.910310] ? __lock_acquire+0x62f/0x4c20 [ 430.914533] ? zap_class+0x640/0x640 [ 430.918240] ? percpu_ref_get_many+0x240/0x240 [ 430.922831] ? print_usage_bug+0xc0/0xc0 [ 430.926885] ? print_usage_bug+0xc0/0xc0 [ 430.930964] ? zap_class+0x640/0x640 [ 430.934677] ? print_usage_bug+0xc0/0xc0 [ 430.938731] ? print_usage_bug+0xc0/0xc0 [ 430.942795] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.948346] ? find_held_lock+0x36/0x1c0 [ 430.952407] ? mark_held_locks+0xc7/0x130 [ 430.956551] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 430.961652] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 430.966748] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 430.971345] ? trace_hardirqs_on+0xbd/0x310 [ 430.975661] ? kasan_check_read+0x11/0x20 [ 430.979805] ? ___ratelimit+0x3b4/0x672 [ 430.983776] ? trace_hardirqs_off_caller+0x310/0x310 [ 430.988877] ? trace_hardirqs_on+0x310/0x310 [ 430.993282] ? lock_downgrade+0x900/0x900 [ 430.997434] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 431.002529] ? ___ratelimit+0x3b9/0x672 [ 431.006501] ? idr_get_free+0xec0/0xec0 [ 431.010470] ? find_held_lock+0x36/0x1c0 [ 431.014549] oom_kill_process.cold.27+0x10/0x903 [ 431.019299] ? zap_class+0x640/0x640 [ 431.023003] ? check_preemption_disabled+0x48/0x280 [ 431.028016] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 431.032942] ? kasan_check_read+0x11/0x20 [ 431.037084] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 431.042355] ? oom_evaluate_task+0x540/0x540 [ 431.046763] ? find_held_lock+0x36/0x1c0 [ 431.050828] ? out_of_memory+0x974/0x1430 [ 431.054987] ? lock_downgrade+0x900/0x900 [ 431.059131] ? check_preemption_disabled+0x48/0x280 [ 431.064145] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 431.069066] ? kasan_check_read+0x11/0x20 [ 431.073211] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 431.078497] ? rcu_softirq_qs+0x20/0x20 [ 431.082472] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 431.088002] ? oom_evaluate_task+0x302/0x540 [ 431.092410] out_of_memory+0xa84/0x1430 [ 431.096389] ? oom_killer_disable+0x3a0/0x3a0 [ 431.100879] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 431.105814] ? __mutex_add_waiter+0x2a0/0x2a0 [ 431.110331] __alloc_pages_slowpath+0x22d4/0x2d70 [ 431.115193] ? warn_alloc+0x120/0x120 [ 431.119010] ? rcu_softirq_qs+0x20/0x20 [ 431.123005] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 431.128533] ? should_fail+0x22d/0xd01 [ 431.132419] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 431.137520] ? zap_class+0x640/0x640 [ 431.141254] ? __lock_is_held+0xb5/0x140 [ 431.145315] ? mark_held_locks+0x130/0x130 [ 431.149542] ? lock_release+0xa00/0xa00 [ 431.153521] ? perf_trace_sched_process_exec+0x860/0x860 [ 431.158992] ? __might_sleep+0x95/0x190 [ 431.162974] __alloc_pages_nodemask+0xa80/0xde0 [ 431.167642] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 431.172653] ? __page_cache_alloc+0x191/0x5c0 [ 431.177139] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 431.182065] ? kasan_check_read+0x11/0x20 [ 431.186206] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 431.191486] ? zap_class+0x640/0x640 [ 431.195200] ? zap_class+0x640/0x640 [ 431.198913] ? zap_class+0x640/0x640 [ 431.202635] ? __do_page_cache_readahead+0x7ce/0x980 [ 431.207741] ? find_held_lock+0x36/0x1c0 [ 431.211799] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 431.217346] alloc_pages_current+0x173/0x350 [ 431.221758] __page_cache_alloc+0x38c/0x5c0 [ 431.226071] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 431.230994] ? kasan_check_read+0x11/0x20 [ 431.235139] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 431.240422] ? generic_perform_write+0x6a0/0x6a0 [ 431.245170] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 431.250701] ? check_preemption_disabled+0x48/0x280 [ 431.255718] filemap_fault+0x1594/0x25f0 [ 431.259789] ? __lock_page_or_retry+0xa00/0xa00 [ 431.264454] ? mark_held_locks+0x130/0x130 [ 431.268689] ? rcu_softirq_qs+0x20/0x20 [ 431.272667] ? filemap_map_pages+0xe04/0x1990 [ 431.277193] ? __free_object+0x173/0x340 [ 431.281261] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 431.286186] ? trace_hardirqs_off_caller+0x310/0x310 [ 431.291289] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 431.295967] ? debug_object_free+0x32d/0x690 [ 431.300367] ? kasan_check_read+0x11/0x20 [ 431.304519] ? debug_object_destroy+0x2b0/0x2b0 [ 431.309183] ? lock_pi_update_atomic+0x150/0x150 [ 431.313940] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.319469] ? __hrtimer_init+0xdb/0x240 [ 431.323531] ? lock_acquire+0x1ed/0x520 [ 431.327508] ? ext4_filemap_fault+0x7a/0xad [ 431.331844] ? lock_release+0xa00/0xa00 [ 431.335812] ? perf_trace_sched_process_exec+0x860/0x860 [ 431.341279] ? print_usage_bug+0xc0/0xc0 [ 431.345332] ? print_usage_bug+0xc0/0xc0 [ 431.349395] ? down_read+0x8d/0x120 [ 431.353013] ? ext4_filemap_fault+0x7a/0xad [ 431.357341] ? __down_interruptible+0x700/0x700 [ 431.362012] ext4_filemap_fault+0x82/0xad [ 431.366155] __do_fault+0x100/0x6b0 [ 431.369778] ? pmd_devmap_trans_unstable+0x220/0x220 [ 431.374879] ? mark_held_locks+0x130/0x130 [ 431.379119] ? mark_held_locks+0x130/0x130 [ 431.383347] ? debug_smp_processor_id+0x1c/0x20 [ 431.388013] ? perf_trace_lock+0x14d/0x7a0 [ 431.392250] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 431.397784] __handle_mm_fault+0x307c/0x5920 [ 431.402214] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 431.407049] ? lock_is_held_type+0x210/0x210 [ 431.411492] ? zap_class+0x640/0x640 [ 431.415199] ? zap_class+0x640/0x640 [ 431.418914] ? __x64_sys_futex+0x53e/0x6a0 [ 431.423151] ? find_held_lock+0x36/0x1c0 [ 431.427225] ? handle_mm_fault+0x42a/0xc70 [ 431.431452] ? lock_downgrade+0x900/0x900 [ 431.435612] ? check_preemption_disabled+0x48/0x280 [ 431.440628] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 431.445552] ? kasan_check_read+0x11/0x20 [ 431.449696] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 431.454972] ? rcu_softirq_qs+0x20/0x20 [ 431.458938] ? trace_hardirqs_off_caller+0x310/0x310 [ 431.464038] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 431.469573] ? check_preemption_disabled+0x48/0x280 [ 431.474589] handle_mm_fault+0x54f/0xc70 [ 431.478648] ? __handle_mm_fault+0x5920/0x5920 [ 431.483232] ? find_vma+0x34/0x190 [ 431.486773] __do_page_fault+0x5e8/0xe60 [ 431.490826] ? trace_hardirqs_off+0xb8/0x310 [ 431.495230] ? __ia32_sys_read+0xb0/0xb0 [ 431.499297] do_page_fault+0xf2/0x7e0 [ 431.503102] ? vmalloc_sync_all+0x30/0x30 [ 431.507591] ? error_entry+0x70/0xd0 [ 431.511300] ? trace_hardirqs_off_caller+0xbb/0x310 [ 431.516309] ? trace_hardirqs_on_caller+0xc0/0x310 [ 431.521235] ? syscall_return_slowpath+0x5e0/0x5e0 [ 431.526159] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 431.530999] ? trace_hardirqs_on_caller+0x310/0x310 [ 431.536008] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 431.541458] ? prepare_exit_to_usermode+0x291/0x3b0 [ 431.546479] ? page_fault+0x8/0x30 [ 431.550017] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 431.554854] ? page_fault+0x8/0x30 [ 431.558401] page_fault+0x1e/0x30 [ 431.561855] RIP: 0033:0x45ddf3 [ 431.565051] Code: Bad RIP value. [ 431.568408] RSP: 002b:000000c4200206a0 EFLAGS: 00010206 [ 431.573769] RAX: ffffffffffffff92 RBX: 000000003b974269 RCX: 000000000045ddf3 [ 431.581031] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e1060 [ 431.588291] RBP: 000000c4200206e8 R08: 0000000000000000 R09: 0000000000000000 [ 431.595581] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001 [ 431.602844] R13: 0000000000000007 R14: 0000000000b7f720 R15: 000000000000bdf9 [ 431.610148] warn_alloc_show_mem: 1 callbacks suppressed [ 431.610157] CPU: 0 PID: 17787 Comm: syz-executor0 Not tainted 4.19.0+ #72 [ 431.610158] Mem-Info: [ 431.610196] active_anon:46452 inactive_anon:2315 isolated_anon:0 [ 431.610196] active_file:13 inactive_file:13 isolated_file:0 [ 431.610196] unevictable:0 dirty:0 writeback:0 unstable:0 [ 431.610196] slab_reclaimable:9341 slab_unreclaimable:1470635 [ 431.610196] mapped:24578 shmem:7010 pagetables:528 bounce:0 [ 431.610196] free:13753 free_pcp:603 free_cma:0 [ 431.615530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 431.615537] Call Trace: [ 431.622463] Node 0 active_anon:185808kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:28040kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 431.624852] [ 431.657880] Node 0 [ 431.667225] dump_stack+0x244/0x39d [ 431.669803] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 431.697685] ? dump_stack_print_info.cold.1+0x20/0x20 [ 431.699808] lowmem_reserve[]: [ 431.702040] warn_alloc.cold.117+0xb7/0x1bd [ 431.705631] 0 [ 431.731235] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 431.736408] 2818 [ 431.739504] ? lock_downgrade+0x900/0x900 [ 431.743794] 6321 [ 431.745602] ? trace_hardirqs_off+0xb8/0x310 [ 431.750409] 6321 [ 431.752469] ? trace_hardirqs_off+0xb8/0x310 [ 431.756582] Node 0 [ 431.758638] __alloc_pages_slowpath+0x2660/0x2d70 [ 431.763038] DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 431.765086] ? warn_alloc+0x120/0x120 [ 431.769451] lowmem_reserve[]: 0 [ 431.771685] ? pvclock_read_flags+0x160/0x160 [ 431.776496] 0 [ 431.803455] ? warn_alloc+0x120/0x120 [ 431.807226] 3503 [ 431.810522] ? print_usage_bug+0xc0/0xc0 [ 431.814981] 3503 [ 431.816777] ? warn_alloc+0x120/0x120 [ 431.820550] Node 0 [ 431.822597] ? print_usage_bug+0xc0/0xc0 [ 431.826653] Normal free:13924kB min:37364kB low:46704kB high:56044kB active_anon:183760kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5536kB pagetables:2112kB bounce:0kB free_pcp:2164kB local_pcp:1336kB free_cma:0kB [ 431.828682] ? ktime_get+0x2c1/0x400 [ 431.832460] lowmem_reserve[]: 0 [ 431.834696] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.838719] 0 0 [ 431.867265] ? check_preemption_disabled+0x48/0x280 [ 431.870942] 0 [ 431.874215] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 431.879721] Node 0 [ 431.881690] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 431.886675] DMA: [ 431.888465] ? should_fail+0x22d/0xd01 [ 431.892930] 1*4kB [ 431.895182] ? kasan_check_read+0x11/0x20 [ 431.900681] (U) [ 431.902731] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 431.906584] 0*8kB 0*16kB [ 431.908726] ? __lock_acquire+0x62f/0x4c20 [ 431.912844] 1*32kB [ 431.914808] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 431.919879] (U) [ 431.922620] ? should_fail+0x22d/0xd01 [ 431.926842] 2*64kB (U) [ 431.929073] ? print_usage_bug+0xc0/0xc0 [ 431.934247] 1*128kB (U) [ 431.936224] ? mark_held_locks+0x130/0x130 [ 431.940091] 1*256kB (U) [ 431.942669] ? mark_held_locks+0x130/0x130 [ 431.946722] 0*512kB [ 431.949381] ? check_preemption_disabled+0x48/0x280 [ 431.953582] 1*1024kB (U) [ 431.956253] ? zap_class+0x640/0x640 [ 431.960464] 1*2048kB (M) [ 431.962782] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 431.967761] 3*4096kB (M) [ 431.970510] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.974193] = 15908kB [ 431.976938] ? check_preemption_disabled+0x48/0x280 [ 431.981663] Node 0 [ 431.984415] ? __lock_is_held+0xb5/0x140 [ 431.990005] DMA32: 5*4kB [ 431.992411] __alloc_pages_nodemask+0xa80/0xde0 [ 431.997394] (UM) [ 431.999617] ? zap_class+0x640/0x640 [ 432.003647] 1*8kB (H) [ 432.006398] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 432.011035] 2*16kB (M) [ 432.013096] ? find_held_lock+0x36/0x1c0 [ 432.016768] 3*32kB (M) [ 432.019261] ? ____cache_alloc_node+0x1c7/0x1e0 [ 432.024239] 3*64kB (MH) [ 432.026814] ? lock_downgrade+0x900/0x900 [ 432.030840] 4*128kB (M) [ 432.033420] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.038054] 5*256kB (UMH) [ 432.040724] cache_grow_begin+0xa5/0x8c0 [ 432.044837] 5*512kB (UMH) [ 432.047500] ? do_raw_spin_unlock+0xa7/0x330 [ 432.053003] 4*1024kB (UMH) [ 432.055855] fallback_alloc+0x204/0x2e0 [ 432.059882] 2*2048kB (UM) [ 432.062722] ____cache_alloc_node+0x1c7/0x1e0 [ 432.067099] 3*4096kB [ 432.070020] kmem_cache_alloc_node+0xe3/0x730 [ 432.073964] (M) [ 432.076795] ? lockdep_hardirqs_on+0x296/0x5b0 [ 432.081273] = 25180kB [ 432.081280] Node 0 [ 432.083686] __alloc_skb+0x119/0x770 [ 432.088141] Normal: 1917*4kB [ 432.090126] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 432.094677] (UME) [ 432.097087] ? netdev_alloc_frag+0x1f0/0x1f0 [ 432.099289] 392*8kB (UME) [ 432.102998] ? vprintk_default+0x28/0x30 [ 432.106066] 105*16kB (UME) [ 432.111418] ? vprintk_func+0x85/0x181 [ 432.113565] 43*32kB [ 432.117955] ? printk+0xa7/0xcf [ 432.120770] (UM) 1*64kB [ 432.124825] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 432.127725] (U) [ 432.131607] new_skb+0x26/0x1c0 [ 432.133890] 0*128kB 0*256kB [ 432.137183] aoecmd_cfg+0x279/0x7f0 [ 432.139833] 0*512kB [ 432.144574] ? find_held_lock+0x36/0x1c0 [ 432.146520] 0*1024kB 0*2048kB [ 432.149791] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 432.152781] 0*4096kB [ 432.156395] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.158683] = 13924kB [ 432.158696] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 432.162746] ? __lock_is_held+0xb5/0x140 [ 432.165911] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 432.170225] discover_timer+0x50/0x60 [ 432.172599] 7036 total pagecache pages [ 432.178120] call_timer_fn+0x272/0x920 [ 432.180508] 0 pages in swap cache [ 432.189322] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 432.193355] Swap cache stats: add 0, delete 0, find 0/0 [ 432.201910] ? process_timeout+0x40/0x40 [ 432.205682] Free swap = 0kB [ 432.209575] ? __run_timers+0x7da/0xc70 [ 432.213430] Total swap = 0kB [ 432.216872] ? _raw_spin_unlock_irq+0x27/0x80 [ 432.221684] 1965979 pages RAM [ 432.227034] ? _raw_spin_unlock_irq+0x27/0x80 [ 432.231063] 0 pages HighMem/MovableOnly [ 432.231070] 342867 pages reserved [ 432.234071] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 432.238009] 0 pages cma reserved [ 432.238076] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 432.241022] ? lockdep_hardirqs_on+0x296/0x5b0 [ 432.245580] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 432.248621] ? trace_hardirqs_on+0xbd/0x310 [ 432.253084] syz-fuzzer cpuset= [ 432.257042] ? kasan_check_read+0x11/0x20 [ 432.257057] ? __run_timers+0x7da/0xc70 [ 432.260480] / [ 432.265307] ? trace_hardirqs_off_caller+0x310/0x310 [ 432.268650] mems_allowed=0 [ 432.275130] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 432.319983] __run_timers+0x7e5/0xc70 [ 432.323788] ? timer_fixup_init+0x70/0x70 [ 432.327932] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 432.332954] ? zap_class+0x640/0x640 [ 432.336678] ? enqueue_hrtimer+0x1a5/0x560 [ 432.340907] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 432.346107] ? find_held_lock+0x36/0x1c0 [ 432.350177] ? zap_class+0x640/0x640 [ 432.353912] ? pvclock_read_flags+0x160/0x160 [ 432.358403] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.363933] ? check_preemption_disabled+0x48/0x280 [ 432.368951] ? __lock_is_held+0xb5/0x140 [ 432.373004] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.378533] ? check_preemption_disabled+0x48/0x280 [ 432.383548] run_timer_softirq+0x52/0xb0 [ 432.387600] ? rcu_read_lock_sched_held+0x14f/0x180 [ 432.392628] __do_softirq+0x308/0xb7e [ 432.396426] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 432.400930] ? lock_downgrade+0x900/0x900 [ 432.405072] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 432.410173] ? pvclock_read_flags+0x160/0x160 [ 432.414663] ? lapic_next_event+0x5a/0x90 [ 432.418807] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.424342] ? kvm_clock_read+0x18/0x30 [ 432.428313] ? kvm_sched_clock_read+0x9/0x20 [ 432.432719] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.438246] ? check_preemption_disabled+0x48/0x280 [ 432.443264] irq_exit+0x17f/0x1c0 [ 432.446712] smp_apic_timer_interrupt+0x1cb/0x760 [ 432.451545] ? smp_reschedule_interrupt+0x109/0x650 [ 432.456559] ? smp_call_function_single_interrupt+0x650/0x650 [ 432.462438] ? interrupt_entry+0xb5/0xc0 [ 432.466500] ? trace_hardirqs_off_caller+0xbb/0x310 [ 432.471511] ? trace_hardirqs_off_caller+0xbb/0x310 [ 432.476523] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 432.481359] ? trace_hardirqs_on_caller+0x310/0x310 [ 432.486369] ? trace_hardirqs_on_caller+0x310/0x310 [ 432.491400] ? task_prio+0x50/0x50 [ 432.494941] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.500476] ? check_preemption_disabled+0x48/0x280 [ 432.505520] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 432.510824] apic_timer_interrupt+0xf/0x20 [ 432.515043] [ 432.517280] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 432.522206] Code: 7e 0f 85 cf fe ff ff e8 f6 d7 3f ff e9 c5 fe ff ff e8 4d a2 c3 ff 48 83 3d a5 50 91 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 6a b1 [ 432.541096] RSP: 0000:ffff88019c63f740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 432.548809] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 432.556068] RDX: 0000000000000000 RSI: ffff8801929e68c0 RDI: 0000000000000286 [ 432.563339] RBP: ffff88019c63f7a8 R08: ffff8801929e6040 R09: 0000000000000000 [ 432.570599] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 432.577863] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020 [ 432.585179] skb_clone+0x1bb/0x500 [ 432.588717] ? finish_task_switch+0x2f4/0x910 [ 432.593208] ? skb_split+0x11e0/0x11e0 [ 432.597092] ? preempt_notifier_register+0x200/0x200 [ 432.602206] ? __switch_to_asm+0x34/0x70 [ 432.606295] ? __switch_to_asm+0x34/0x70 [ 432.610349] ? __switch_to_asm+0x40/0x70 [ 432.614402] ? __switch_to_asm+0x34/0x70 [ 432.618481] ? __switch_to_asm+0x40/0x70 [ 432.622535] ? __switch_to_asm+0x34/0x70 [ 432.626587] ? __switch_to_asm+0x40/0x70 [ 432.630652] ? __switch_to_asm+0x34/0x70 [ 432.634706] ? __switch_to_asm+0x34/0x70 [ 432.638764] ? __switch_to_asm+0x40/0x70 [ 432.642817] ? __switch_to_asm+0x34/0x70 [ 432.646878] bpf_clone_redirect+0xb9/0x490 [ 432.651131] ? __schedule+0x8d7/0x21d0 [ 432.655024] bpf_prog_bebbfe2050753572+0x325/0x1000 [ 432.660039] ? __sched_text_start+0x8/0x8 [ 432.664190] ? find_held_lock+0x36/0x1c0 [ 432.668255] ? lock_acquire+0x1ed/0x520 [ 432.672222] ? bpf_test_run+0x3cb/0x780 [ 432.676210] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.681761] ? check_preemption_disabled+0x48/0x280 [ 432.686777] ? kasan_check_read+0x11/0x20 [ 432.690921] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 432.696190] ? rcu_softirq_qs+0x20/0x20 [ 432.700157] ? preempt_schedule+0x4d/0x60 [ 432.704301] ? ___preempt_schedule+0x16/0x18 [ 432.708707] ? bpf_test_run+0x25d/0x780 [ 432.712682] ? netlink_diag_dump+0x2a0/0x2a0 [ 432.717086] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 432.722634] ? bpf_test_init.isra.10+0x70/0x100 [ 432.727302] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 432.732060] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 432.736896] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 432.742425] ? fput+0x130/0x1a0 [ 432.745700] ? __bpf_prog_get+0x9b/0x290 [ 432.749756] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 432.754590] ? bpf_prog_test_run+0x130/0x1a0 [ 432.758995] ? __x64_sys_bpf+0x3d8/0x520 [ 432.763050] ? bpf_prog_get+0x20/0x20 [ 432.766864] ? do_syscall_64+0x1b9/0x820 [ 432.770918] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 432.776279] ? syscall_return_slowpath+0x5e0/0x5e0 [ 432.781210] ? trace_hardirqs_on_caller+0x310/0x310 [ 432.786225] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 432.791245] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 432.797905] ? __switch_to_asm+0x40/0x70 [ 432.801959] ? __switch_to_asm+0x34/0x70 [ 432.806016] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 432.810860] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 432.816232] CPU: 1 PID: 5375 Comm: syz-fuzzer Not tainted 4.19.0+ #72 [ 432.816290] aoe: skb alloc failure [ 432.822814] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 432.822819] Call Trace: [ 432.822823] [ 432.822839] dump_stack+0x244/0x39d [ 432.822857] ? dump_stack_print_info.cold.1+0x20/0x20 [ 432.826411] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 432.835737] warn_alloc.cold.117+0xb7/0x1bd [ 432.838286] syz-executor0 cpuset= [ 432.840421] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 432.844017] syz0 [ 432.849194] ? lock_downgrade+0x900/0x900 [ 432.859647] mems_allowed=0 [ 432.863958] ? trace_hardirqs_off+0xb8/0x310 [ 432.885593] ? trace_hardirqs_off+0xb8/0x310 [ 432.890008] __alloc_pages_slowpath+0x2660/0x2d70 [ 432.894871] ? warn_alloc+0x120/0x120 [ 432.898671] ? warn_alloc+0x120/0x120 [ 432.902470] ? print_usage_bug+0xc0/0xc0 [ 432.906526] ? warn_alloc+0x120/0x120 [ 432.910337] ? print_usage_bug+0xc0/0xc0 [ 432.914392] ? __lock_acquire+0x62f/0x4c20 [ 432.918630] ? __lock_acquire+0x62f/0x4c20 [ 432.922860] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 432.928394] ? should_fail+0x22d/0xd01 [ 432.932276] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 432.937551] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 432.942650] ? __lock_acquire+0x62f/0x4c20 [ 432.946881] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 432.951976] ? __lock_acquire+0x62f/0x4c20 [ 432.956206] ? should_fail+0x22d/0xd01 [ 432.960095] ? rcu_irq_exit+0x1a2/0x390 [ 432.964076] ? mark_held_locks+0x130/0x130 [ 432.968315] ? mark_held_locks+0x130/0x130 [ 432.972550] ? mark_held_locks+0xc7/0x130 [ 432.976692] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 432.981703] ? zap_class+0x640/0x640 [ 432.985410] ? print_usage_bug+0xc0/0xc0 [ 432.989486] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.995017] ? check_preemption_disabled+0x48/0x280 [ 433.000035] ? __lock_is_held+0xb5/0x140 [ 433.004099] __alloc_pages_nodemask+0xa80/0xde0 [ 433.008771] ? zap_class+0x640/0x640 [ 433.012483] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 433.017503] ? find_held_lock+0x36/0x1c0 [ 433.021646] ? ____cache_alloc_node+0x1c7/0x1e0 [ 433.026313] ? lock_downgrade+0x900/0x900 [ 433.030460] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.035994] cache_grow_begin+0xa5/0x8c0 [ 433.040046] ? do_raw_spin_unlock+0xa7/0x330 [ 433.044463] fallback_alloc+0x204/0x2e0 [ 433.048440] ____cache_alloc_node+0x1c7/0x1e0 [ 433.052933] kmem_cache_alloc_node+0xe3/0x730 [ 433.057423] ? ipv6_get_ifaddr+0x42e/0x620 [ 433.061659] __alloc_skb+0x119/0x770 [ 433.065365] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 433.070638] ? netdev_alloc_frag+0x1f0/0x1f0 [ 433.075040] ? lock_downgrade+0x900/0x900 [ 433.079190] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.084721] ? refcount_sub_and_test_checked+0x203/0x310 [ 433.090172] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 433.095638] ? addrconf_rs_timer+0x690/0x690 [ 433.100051] ndisc_alloc_skb+0x144/0x340 [ 433.104114] ndisc_send_rs+0x331/0x6e0 [ 433.108000] addrconf_rs_timer+0x314/0x690 [ 433.112243] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 433.116485] call_timer_fn+0x272/0x920 [ 433.120365] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 433.124599] ? process_timeout+0x40/0x40 [ 433.128663] ? mark_held_locks+0xc7/0x130 [ 433.132807] ? _raw_spin_unlock_irq+0x27/0x80 [ 433.137297] ? _raw_spin_unlock_irq+0x27/0x80 [ 433.141816] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 433.146045] ? lockdep_hardirqs_on+0x296/0x5b0 [ 433.150634] ? trace_hardirqs_on+0xbd/0x310 [ 433.154950] ? kasan_check_read+0x11/0x20 [ 433.159098] ? __run_timers+0x7da/0xc70 [ 433.163073] ? trace_hardirqs_off_caller+0x310/0x310 [ 433.168177] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 433.172409] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 433.176639] __run_timers+0x7e5/0xc70 [ 433.180433] ? rcu_irq_exit+0x1a2/0x390 [ 433.184411] ? timer_fixup_init+0x70/0x70 [ 433.188553] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.194097] ? check_preemption_disabled+0x48/0x280 [ 433.199114] ? mark_held_locks+0xc7/0x130 [ 433.203276] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 433.208292] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 433.213046] ? retint_kernel+0x2d/0x2d [ 433.216934] ? trace_hardirqs_on_caller+0xc0/0x310 [ 433.221861] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 433.226610] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 433.232055] ? zap_class+0x640/0x640 [ 433.235783] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.241313] ? check_preemption_disabled+0x48/0x280 [ 433.246335] ? __lock_is_held+0xb5/0x140 [ 433.250394] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.255924] ? check_preemption_disabled+0x48/0x280 [ 433.260940] run_timer_softirq+0x52/0xb0 [ 433.264998] ? rcu_read_lock_sched_held+0x14f/0x180 [ 433.270008] __do_softirq+0x308/0xb7e [ 433.273823] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 433.278310] ? lock_downgrade+0x900/0x900 [ 433.282457] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 433.287561] ? pvclock_read_flags+0x160/0x160 [ 433.292067] ? lapic_next_event+0x5a/0x90 [ 433.296213] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.301747] ? kvm_clock_read+0x18/0x30 [ 433.305714] ? kvm_sched_clock_read+0x9/0x20 [ 433.310118] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.315650] ? check_preemption_disabled+0x48/0x280 [ 433.320671] irq_exit+0x17f/0x1c0 [ 433.324120] smp_apic_timer_interrupt+0x1cb/0x760 [ 433.328966] ? smp_reschedule_interrupt+0x109/0x650 [ 433.333979] ? smp_call_function_single_interrupt+0x650/0x650 [ 433.339865] ? interrupt_entry+0xb5/0xc0 [ 433.343935] ? trace_hardirqs_off_caller+0xbb/0x310 [ 433.348943] ? trace_hardirqs_off_caller+0xbb/0x310 [ 433.353953] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 433.358791] ? trace_hardirqs_on_caller+0x310/0x310 [ 433.363803] ? trace_hardirqs_on_caller+0x310/0x310 [ 433.368809] ? task_prio+0x50/0x50 [ 433.372345] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 433.377874] ? check_preemption_disabled+0x48/0x280 [ 433.382889] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 433.387731] apic_timer_interrupt+0xf/0x20 [ 433.391959] [ 433.394190] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 433.399373] Code: 00 e8 95 31 8e f9 e8 90 e2 bd f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d ea 90 8b 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d c0 90 [ 433.418265] RSP: 0000:ffff8801c4c0e140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 433.425980] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003afce19e [ 433.433241] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d7e70c7c [ 433.440501] RBP: ffff8801c4c0e168 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 433.447761] R10: 0000000000000000 R11: ffff8801d7e70400 R12: dffffc0000000000 [ 433.455027] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478 [ 433.462346] retint_kernel+0x1b/0x2d [ 433.466062] RIP: 0010:dump_stack+0x358/0x39d [ 433.470466] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 91 c1 00 fa 48 83 3d 99 b9 91 01 00 0f 84 63 fe ff ff e8 ee e6 bd f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db e6 bd f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 433.489360] RSP: 0000:ffff8801c4c0e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 433.497067] RAX: ffff8801d7e70400 RBX: 1ffffffff12a3e8e RCX: 1ffff1003afce19e [ 433.504332] RDX: 0000000000000000 RSI: ffffffff87c03ae2 RDI: 0000000000000293 [ 433.511864] RBP: ffff8801c4c0e2c8 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 433.519130] R10: 0000000000000000 R11: ffff8801d7e70400 R12: 1ffff10038981c4c [ 433.526404] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 433.533686] ? dump_stack+0x34f/0x39d [ 433.537495] ? dump_stack_print_info.cold.1+0x20/0x20 [ 433.542690] dump_header+0x27b/0xf72 [ 433.546402] ? mark_held_locks+0x130/0x130 [ 433.550631] ? pagefault_out_of_memory+0x197/0x197 [ 433.555565] ? __lock_acquire+0x62f/0x4c20 [ 433.559792] ? zap_class+0x640/0x640 [ 433.563499] ? percpu_ref_get_many+0x240/0x240 [ 433.568073] ? print_usage_bug+0xc0/0xc0 [ 433.572129] ? print_usage_bug+0xc0/0xc0 [ 433.576188] ? zap_class+0x640/0x640 [ 433.579899] ? print_usage_bug+0xc0/0xc0 [ 433.583952] ? print_usage_bug+0xc0/0xc0 [ 433.588011] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.593557] ? find_held_lock+0x36/0x1c0 [ 433.597623] ? mark_held_locks+0xc7/0x130 [ 433.601768] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 433.606865] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 433.611963] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 433.616545] ? trace_hardirqs_on+0xbd/0x310 [ 433.620858] ? kasan_check_read+0x11/0x20 [ 433.625015] ? ___ratelimit+0x3b4/0x672 [ 433.628994] ? trace_hardirqs_off_caller+0x310/0x310 [ 433.634093] ? trace_hardirqs_on+0x310/0x310 [ 433.638495] ? lock_downgrade+0x900/0x900 [ 433.642647] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 433.647745] ? ___ratelimit+0x3b9/0x672 [ 433.651716] ? idr_get_free+0xec0/0xec0 [ 433.655681] ? find_held_lock+0x36/0x1c0 [ 433.659743] oom_kill_process.cold.27+0x10/0x903 [ 433.664492] ? zap_class+0x640/0x640 [ 433.668216] ? check_preemption_disabled+0x48/0x280 [ 433.673229] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 433.678680] ? kasan_check_read+0x11/0x20 [ 433.682830] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 433.688100] ? oom_evaluate_task+0x540/0x540 [ 433.692506] ? find_held_lock+0x36/0x1c0 [ 433.696571] ? out_of_memory+0x974/0x1430 [ 433.700712] ? lock_downgrade+0x900/0x900 [ 433.704848] ? check_preemption_disabled+0x48/0x280 [ 433.709858] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 433.714779] ? kasan_check_read+0x11/0x20 [ 433.718918] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 433.724191] ? rcu_softirq_qs+0x20/0x20 [ 433.728162] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 433.733692] ? oom_evaluate_task+0x302/0x540 [ 433.738097] out_of_memory+0xa84/0x1430 [ 433.742107] ? oom_killer_disable+0x3a0/0x3a0 [ 433.746599] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 433.751530] ? __mutex_add_waiter+0x2a0/0x2a0 [ 433.756038] __alloc_pages_slowpath+0x22d4/0x2d70 [ 433.760903] ? warn_alloc+0x120/0x120 [ 433.764701] ? rcu_softirq_qs+0x20/0x20 [ 433.768693] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 433.774234] ? should_fail+0x22d/0xd01 [ 433.778115] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 433.783221] ? zap_class+0x640/0x640 [ 433.786950] ? __lock_is_held+0xb5/0x140 [ 433.791021] ? mark_held_locks+0x130/0x130 [ 433.795253] ? lock_release+0xa00/0xa00 [ 433.799222] ? perf_trace_sched_process_exec+0x860/0x860 [ 433.804673] ? __might_sleep+0x95/0x190 [ 433.808648] __alloc_pages_nodemask+0xa80/0xde0 [ 433.813329] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 433.818339] ? __page_cache_alloc+0x191/0x5c0 [ 433.822828] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 433.827762] ? kasan_check_read+0x11/0x20 [ 433.831904] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 433.837175] ? zap_class+0x640/0x640 [ 433.840888] ? zap_class+0x640/0x640 [ 433.844603] ? zap_class+0x640/0x640 [ 433.848314] ? __do_page_cache_readahead+0x7ce/0x980 [ 433.853420] ? find_held_lock+0x36/0x1c0 [ 433.857481] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 433.863022] alloc_pages_current+0x173/0x350 [ 433.867433] __page_cache_alloc+0x38c/0x5c0 [ 433.871746] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 433.876667] ? kasan_check_read+0x11/0x20 [ 433.880812] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 433.886082] ? generic_perform_write+0x6a0/0x6a0 [ 433.890834] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 433.896363] ? check_preemption_disabled+0x48/0x280 [ 433.901383] filemap_fault+0x1594/0x25f0 [ 433.905453] ? __lock_page_or_retry+0xa00/0xa00 [ 433.910128] ? mark_held_locks+0x130/0x130 [ 433.914354] ? rcu_softirq_qs+0x20/0x20 [ 433.918341] ? filemap_map_pages+0xe04/0x1990 [ 433.922843] ? __free_object+0x173/0x340 [ 433.926899] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 433.931911] ? trace_hardirqs_off_caller+0x310/0x310 [ 433.937019] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 433.941693] ? debug_object_free+0x32d/0x690 [ 433.946092] ? kasan_check_read+0x11/0x20 [ 433.950241] ? debug_object_destroy+0x2b0/0x2b0 [ 433.954909] ? lock_pi_update_atomic+0x150/0x150 [ 433.959674] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.965203] ? __hrtimer_init+0xdb/0x240 [ 433.969270] ? lock_acquire+0x1ed/0x520 [ 433.973239] ? ext4_filemap_fault+0x7a/0xad [ 433.977558] ? lock_release+0xa00/0xa00 [ 433.981528] ? perf_trace_sched_process_exec+0x860/0x860 [ 433.986985] ? print_usage_bug+0xc0/0xc0 [ 433.991045] ? print_usage_bug+0xc0/0xc0 [ 433.995113] ? down_read+0x8d/0x120 [ 433.998734] ? ext4_filemap_fault+0x7a/0xad [ 434.003049] ? __down_interruptible+0x700/0x700 [ 434.007721] ext4_filemap_fault+0x82/0xad [ 434.011870] __do_fault+0x100/0x6b0 [ 434.015494] ? pmd_devmap_trans_unstable+0x220/0x220 [ 434.020598] ? mark_held_locks+0x130/0x130 [ 434.024830] ? mark_held_locks+0x130/0x130 [ 434.029059] ? debug_smp_processor_id+0x1c/0x20 [ 434.033718] ? perf_trace_lock+0x14d/0x7a0 [ 434.037949] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 434.043485] __handle_mm_fault+0x307c/0x5920 [ 434.047903] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 434.052737] ? lock_is_held_type+0x210/0x210 [ 434.057159] ? zap_class+0x640/0x640 [ 434.060862] ? zap_class+0x640/0x640 [ 434.064565] ? __x64_sys_futex+0x53e/0x6a0 [ 434.068810] ? find_held_lock+0x36/0x1c0 [ 434.072877] ? handle_mm_fault+0x42a/0xc70 [ 434.077105] ? lock_downgrade+0x900/0x900 [ 434.081248] ? check_preemption_disabled+0x48/0x280 [ 434.086262] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 434.091185] ? kasan_check_read+0x11/0x20 [ 434.095327] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 434.100612] ? rcu_softirq_qs+0x20/0x20 [ 434.104582] ? trace_hardirqs_off_caller+0x310/0x310 [ 434.109691] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 434.115225] ? check_preemption_disabled+0x48/0x280 [ 434.120242] handle_mm_fault+0x54f/0xc70 [ 434.124300] ? __handle_mm_fault+0x5920/0x5920 [ 434.128878] ? find_vma+0x34/0x190 [ 434.132416] __do_page_fault+0x5e8/0xe60 [ 434.136470] ? trace_hardirqs_off+0xb8/0x310 [ 434.140896] ? __ia32_sys_read+0xb0/0xb0 [ 434.144959] do_page_fault+0xf2/0x7e0 [ 434.148760] ? vmalloc_sync_all+0x30/0x30 [ 434.152902] ? error_entry+0x70/0xd0 [ 434.156611] ? trace_hardirqs_off_caller+0xbb/0x310 [ 434.161618] ? trace_hardirqs_on_caller+0xc0/0x310 [ 434.166557] ? syscall_return_slowpath+0x5e0/0x5e0 [ 434.171483] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 434.176342] ? trace_hardirqs_on_caller+0x310/0x310 [ 434.181361] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 434.186810] ? prepare_exit_to_usermode+0x291/0x3b0 [ 434.191816] ? page_fault+0x8/0x30 [ 434.195351] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 434.200192] ? page_fault+0x8/0x30 [ 434.203752] page_fault+0x1e/0x30 [ 434.207203] RIP: 0033:0x45ddf3 [ 434.210400] Code: Bad RIP value. [ 434.213763] RSP: 002b:000000c4200206a0 EFLAGS: 00010206 [ 434.219120] RAX: ffffffffffffff92 RBX: 000000003b974269 RCX: 000000000045ddf3 [ 434.226379] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e1060 [ 434.233640] RBP: 000000c4200206e8 R08: 0000000000000000 R09: 0000000000000000 [ 434.240906] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001 [ 434.248166] R13: 0000000000000007 R14: 0000000000b7f720 R15: 000000000000bdf9 [ 434.255444] warn_alloc_show_mem: 1 callbacks suppressed [ 434.255454] CPU: 0 PID: 17787 Comm: syz-executor0 Not tainted 4.19.0+ #72 [ 434.255455] Mem-Info: [ 434.255484] active_anon:46452 inactive_anon:2315 isolated_anon:0 [ 434.255484] active_file:13 inactive_file:13 isolated_file:0 [ 434.255484] unevictable:0 dirty:0 writeback:0 unstable:0 [ 434.255484] slab_reclaimable:9341 slab_unreclaimable:1470635 [ 434.255484] mapped:24578 shmem:7010 pagetables:528 bounce:0 [ 434.255484] free:13753 free_pcp:603 free_cma:0 [ 434.260815] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 434.260821] Call Trace: [ 434.267745] Node 0 active_anon:185808kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:28040kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 434.270139] [ 434.303172] Node 0 [ 434.312515] dump_stack+0x244/0x39d [ 434.315092] 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 [ 434.342645] ? dump_stack_print_info.cold.1+0x20/0x20 [ 434.344759] lowmem_reserve[]: 0 [ 434.347005] warn_alloc.cold.117+0xb7/0x1bd [ 434.350589] 2818 6321 [ 434.376087] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 434.381249] 6321 [ 434.384522] ? lock_downgrade+0x900/0x900 [ 434.388819] Node 0 [ 434.391395] ? trace_hardirqs_off+0xb8/0x310 [ 434.396226] DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 434.398260] ? trace_hardirqs_off+0xb8/0x310 [ 434.402371] lowmem_reserve[]: 0 [ 434.404607] __alloc_pages_slowpath+0x2660/0x2d70 [ 434.408984] 0 [ 434.435961] ? warn_alloc+0x120/0x120 [ 434.440314] 3503 3503 [ 434.443586] ? __lock_acquire+0x62f/0x4c20 [ 434.450189] ? __lock_acquire+0x62f/0x4c20 [ 434.453968] Node 0 [ 434.456458] ? warn_alloc+0x120/0x120 [ 434.460690] Normal free:13924kB min:37364kB low:46704kB high:56044kB active_anon:183760kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5536kB pagetables:2112kB bounce:0kB free_pcp:2164kB local_pcp:1336kB free_cma:0kB [ 434.464889] ? print_usage_bug+0xc0/0xc0 [ 434.467094] lowmem_reserve[]: 0 [ 434.470888] ? warn_alloc+0x120/0x120 [ 434.499395] 0 [ 434.503443] ? print_usage_bug+0xc0/0xc0 [ 434.506710] 0 [ 434.510504] ? mark_held_locks+0x130/0x130 [ 434.512271] 0 [ 434.516329] ? mark_held_locks+0x130/0x130 [ 434.518115] Node 0 [ 434.522334] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 434.524115] DMA: 1*4kB [ 434.528350] ? should_fail+0x22d/0xd01 [ 434.530555] (U) [ 434.536075] ? zap_class+0x640/0x640 [ 434.538629] 0*8kB [ 434.542502] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 434.544451] 0*16kB [ 434.548148] ? __lock_acquire+0x62f/0x4c20 [ 434.550272] 1*32kB [ 434.555361] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 434.557570] (U) [ 434.561789] ? should_fail+0x22d/0xd01 [ 434.564004] 2*64kB [ 434.569125] ? mark_held_locks+0x130/0x130 [ 434.571065] (U) [ 434.574936] ? mark_held_locks+0x130/0x130 [ 434.577143] 1*128kB (U) [ 434.581366] ? lock_downgrade+0x900/0x900 [ 434.583313] 1*256kB (U) [ 434.587539] ? zap_class+0x640/0x640 [ 434.590178] 0*512kB 1*1024kB [ 434.594318] ? zap_class+0x640/0x640 [ 434.596964] (U) 1*2048kB (M) [ 434.600676] ? zap_class+0x640/0x640 [ 434.603749] 3*4096kB (M) [ 434.607451] ? do_raw_spin_unlock+0xa7/0x330 [ 434.610527] = 15908kB [ 434.610534] Node 0 [ 434.614235] ? trace_hardirqs_on+0x310/0x310 [ 434.616969] DMA32: [ 434.621363] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.623744] 5*4kB [ 434.625975] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.630347] (UM) 1*8kB [ 434.632580] ? check_preemption_disabled+0x48/0x280 [ 434.638081] (H) 2*16kB [ 434.640257] ? __lock_is_held+0xb5/0x140 [ 434.645773] (M) [ 434.648344] __alloc_pages_nodemask+0xa80/0xde0 [ 434.653328] 3*32kB [ 434.655896] ? zap_class+0x640/0x640 [ 434.659930] (M) [ 434.661904] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 434.666534] 3*64kB (MH) [ 434.668788] ? find_held_lock+0x36/0x1c0 [ 434.672466] 4*128kB (M) [ 434.674443] ? ____cache_alloc_node+0x1c7/0x1e0 [ 434.674453] ? lock_downgrade+0x900/0x900 [ 434.674471] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.674490] cache_grow_begin+0xa5/0x8c0 [ 434.679472] 5*256kB (UMH) [ 434.682134] ? do_raw_spin_unlock+0xa7/0x330 [ 434.686169] 5*512kB [ 434.688856] fallback_alloc+0x204/0x2e0 [ 434.693489] (UMH) [ 434.697625] ____cache_alloc_node+0x1c7/0x1e0 [ 434.703124] 4*1024kB (UMH) [ 434.707180] kmem_cache_alloc_node+0xe3/0x730 [ 434.709996] 2*2048kB [ 434.714386] ? lockdep_hardirqs_on+0x296/0x5b0 [ 434.716677] (UM) [ 434.720640] __alloc_skb+0x119/0x770 [ 434.722753] 3*4096kB (M) [ 434.727238] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 434.730132] = 25180kB [ 434.730139] Node 0 [ 434.734619] ? netdev_alloc_frag+0x1f0/0x1f0 [ 434.737001] Normal: [ 434.741569] ? vprintk_default+0x28/0x30 [ 434.743599] 1917*4kB [ 434.747318] ? vprintk_func+0x85/0x181 [ 434.750045] (UME) [ 434.755398] ? printk+0xa7/0xcf [ 434.757781] 392*8kB [ 434.760006] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 434.764376] (UME) 105*16kB [ 434.766703] new_skb+0x26/0x1c0 [ 434.770727] (UME) [ 434.773128] aoecmd_cfg+0x279/0x7f0 [ 434.776980] 43*32kB (UM) [ 434.779127] ? find_held_lock+0x36/0x1c0 [ 434.782374] 1*64kB (U) [ 434.784693] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 434.789418] 0*128kB [ 434.792337] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.795587] 0*256kB [ 434.797731] ? __lock_is_held+0xb5/0x140 [ 434.801319] 0*512kB 0*1024kB [ 434.804082] discover_timer+0x50/0x60 [ 434.808105] 0*2048kB 0*4096kB [ 434.810683] call_timer_fn+0x272/0x920 [ 434.814980] = 13924kB [ 434.817292] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 434.822805] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 434.825115] ? process_timeout+0x40/0x40 [ 434.829149] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 434.832255] ? __run_timers+0x7da/0xc70 [ 434.836020] 7036 total pagecache pages [ 434.839197] ? _raw_spin_unlock_irq+0x27/0x80 [ 434.843058] 0 pages in swap cache [ 434.845445] ? _raw_spin_unlock_irq+0x27/0x80 [ 434.850255] Swap cache stats: add 0, delete 0, find 0/0 [ 434.850262] Free swap = 0kB [ 434.859081] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 434.863109] Total swap = 0kB [ 434.871668] ? lockdep_hardirqs_on+0x296/0x5b0 [ 434.875653] 1965979 pages RAM [ 434.879527] ? trace_hardirqs_on+0xbd/0x310 [ 434.883991] 0 pages HighMem/MovableOnly [ 434.887435] ? kasan_check_read+0x11/0x20 [ 434.891910] 342867 pages reserved [ 434.891916] 0 pages cma reserved [ 434.897271] ? __run_timers+0x7da/0xc70 [ 434.900315] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 434.905080] ? trace_hardirqs_off_caller+0x310/0x310 [ 434.905109] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 434.908152] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 434.912668] __run_timers+0x7e5/0xc70 [ 434.915745] syz-fuzzer cpuset= [ 434.920077] ? timer_fixup_init+0x70/0x70 [ 434.924014] / [ 434.928150] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 434.931574] mems_allowed=0 [ 434.934920] ? zap_class+0x640/0x640 [ 434.989857] ? enqueue_hrtimer+0x1a5/0x560 [ 434.994090] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 434.999279] ? find_held_lock+0x36/0x1c0 [ 435.003337] ? zap_class+0x640/0x640 [ 435.007047] ? pvclock_read_flags+0x160/0x160 [ 435.011534] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.017063] ? check_preemption_disabled+0x48/0x280 [ 435.022083] ? __lock_is_held+0xb5/0x140 [ 435.026136] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.031664] ? check_preemption_disabled+0x48/0x280 [ 435.036687] run_timer_softirq+0x52/0xb0 [ 435.040738] ? rcu_read_lock_sched_held+0x14f/0x180 [ 435.045750] __do_softirq+0x308/0xb7e [ 435.049553] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 435.054042] ? lock_downgrade+0x900/0x900 [ 435.058189] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 435.063291] ? pvclock_read_flags+0x160/0x160 [ 435.067783] ? lapic_next_event+0x5a/0x90 [ 435.071938] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.077472] ? kvm_clock_read+0x18/0x30 [ 435.081457] ? kvm_sched_clock_read+0x9/0x20 [ 435.085871] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.091400] ? check_preemption_disabled+0x48/0x280 [ 435.096419] irq_exit+0x17f/0x1c0 [ 435.099865] smp_apic_timer_interrupt+0x1cb/0x760 [ 435.104708] ? smp_reschedule_interrupt+0x109/0x650 [ 435.109714] ? smp_call_function_single_interrupt+0x650/0x650 [ 435.115591] ? interrupt_entry+0xb5/0xc0 [ 435.119647] ? trace_hardirqs_off_caller+0xbb/0x310 [ 435.124655] ? trace_hardirqs_off_caller+0xbb/0x310 [ 435.129668] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 435.134503] ? trace_hardirqs_on_caller+0x310/0x310 [ 435.139511] ? trace_hardirqs_on_caller+0x310/0x310 [ 435.144514] ? task_prio+0x50/0x50 [ 435.148056] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.153584] ? check_preemption_disabled+0x48/0x280 [ 435.158594] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 435.163435] apic_timer_interrupt+0xf/0x20 [ 435.167656] [ 435.169889] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 435.174826] Code: 7e 0f 85 cf fe ff ff e8 f6 d7 3f ff e9 c5 fe ff ff e8 4d a2 c3 ff 48 83 3d a5 50 91 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 6a b1 [ 435.193717] RSP: 0000:ffff88019c63f740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 435.201418] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 435.208682] RDX: 0000000000000000 RSI: ffff8801929e68c0 RDI: 0000000000000286 [ 435.215946] RBP: ffff88019c63f7a8 R08: ffff8801929e6040 R09: 0000000000000000 [ 435.223218] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 435.230477] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020 [ 435.237773] skb_clone+0x1bb/0x500 [ 435.241309] ? finish_task_switch+0x2f4/0x910 [ 435.245799] ? skb_split+0x11e0/0x11e0 [ 435.249685] ? preempt_notifier_register+0x200/0x200 [ 435.254777] ? __switch_to_asm+0x34/0x70 [ 435.258833] ? __switch_to_asm+0x34/0x70 [ 435.262890] ? __switch_to_asm+0x40/0x70 [ 435.266958] ? __switch_to_asm+0x34/0x70 [ 435.271015] ? __switch_to_asm+0x40/0x70 [ 435.275068] ? __switch_to_asm+0x34/0x70 [ 435.279123] ? __switch_to_asm+0x40/0x70 [ 435.283179] ? __switch_to_asm+0x34/0x70 [ 435.287233] ? __switch_to_asm+0x34/0x70 [ 435.291290] ? __switch_to_asm+0x40/0x70 [ 435.295344] ? __switch_to_asm+0x34/0x70 [ 435.299413] bpf_clone_redirect+0xb9/0x490 [ 435.303639] ? __schedule+0x8d7/0x21d0 [ 435.307523] bpf_prog_bebbfe2050753572+0x325/0x1000 [ 435.312532] ? __sched_text_start+0x8/0x8 [ 435.316687] ? find_held_lock+0x36/0x1c0 [ 435.320747] ? lock_acquire+0x1ed/0x520 [ 435.324716] ? bpf_test_run+0x3cb/0x780 [ 435.328682] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.334211] ? check_preemption_disabled+0x48/0x280 [ 435.339226] ? kasan_check_read+0x11/0x20 [ 435.343367] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 435.348640] ? rcu_softirq_qs+0x20/0x20 [ 435.352611] ? preempt_schedule+0x4d/0x60 [ 435.356764] ? ___preempt_schedule+0x16/0x18 [ 435.361180] ? bpf_test_run+0x25d/0x780 [ 435.365155] ? netlink_diag_dump+0x2a0/0x2a0 [ 435.369555] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 435.375083] ? bpf_test_init.isra.10+0x70/0x100 [ 435.379749] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 435.384522] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 435.389361] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 435.394904] ? fput+0x130/0x1a0 [ 435.398194] ? __bpf_prog_get+0x9b/0x290 [ 435.402264] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 435.407105] ? bpf_prog_test_run+0x130/0x1a0 [ 435.411507] ? __x64_sys_bpf+0x3d8/0x520 [ 435.415558] ? bpf_prog_get+0x20/0x20 [ 435.419365] ? do_syscall_64+0x1b9/0x820 [ 435.423419] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 435.428780] ? syscall_return_slowpath+0x5e0/0x5e0 [ 435.433712] ? trace_hardirqs_on_caller+0x310/0x310 [ 435.438725] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 435.443733] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 435.450392] ? __switch_to_asm+0x40/0x70 [ 435.454449] ? __switch_to_asm+0x34/0x70 [ 435.458509] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 435.463353] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 435.468729] CPU: 1 PID: 5375 Comm: syz-fuzzer Not tainted 4.19.0+ #72 [ 435.468786] aoe: skb alloc failure [ 435.475296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 435.475300] Call Trace: [ 435.475305] [ 435.475322] dump_stack+0x244/0x39d [ 435.475341] ? dump_stack_print_info.cold.1+0x20/0x20 [ 435.478910] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 435.488233] warn_alloc.cold.117+0xb7/0x1bd [ 435.490784] syz-executor0 cpuset= [ 435.492922] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 435.496523] syz0 [ 435.501701] ? lock_downgrade+0x900/0x900 [ 435.512693] mems_allowed=0 [ 435.517013] ? trace_hardirqs_off+0xb8/0x310 [ 435.538649] ? trace_hardirqs_off+0xb8/0x310 [ 435.543060] __alloc_pages_slowpath+0x2660/0x2d70 [ 435.547926] ? warn_alloc+0x120/0x120 [ 435.551739] ? warn_alloc+0x120/0x120 [ 435.555540] ? print_usage_bug+0xc0/0xc0 [ 435.559597] ? warn_alloc+0x120/0x120 [ 435.563398] ? print_usage_bug+0xc0/0xc0 [ 435.567463] ? __lock_acquire+0x62f/0x4c20 [ 435.571709] ? __lock_acquire+0x62f/0x4c20 [ 435.575965] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 435.581493] ? should_fail+0x22d/0xd01 [ 435.585382] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 435.590477] ? __lock_acquire+0x62f/0x4c20 [ 435.594708] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 435.599807] ? __lock_acquire+0x62f/0x4c20 [ 435.604065] ? should_fail+0x22d/0xd01 [ 435.607944] ? find_held_lock+0x36/0x1c0 [ 435.612006] ? mark_held_locks+0x130/0x130 [ 435.616251] ? mark_held_locks+0x130/0x130 [ 435.620481] ? zap_class+0x640/0x640 [ 435.624189] ? zap_class+0x640/0x640 [ 435.627904] ? print_usage_bug+0xc0/0xc0 [ 435.631955] ? do_raw_spin_unlock+0xa7/0x330 [ 435.636357] ? zap_class+0x640/0x640 [ 435.640068] ? print_usage_bug+0xc0/0xc0 [ 435.644120] ? wq_watchdog_touch+0x9c/0xfe [ 435.648360] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.653899] ? check_preemption_disabled+0x48/0x280 [ 435.658940] ? __lock_is_held+0xb5/0x140 [ 435.662998] __alloc_pages_nodemask+0xa80/0xde0 [ 435.667661] ? zap_class+0x640/0x640 [ 435.671377] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 435.676896] ? find_held_lock+0x36/0x1c0 [ 435.680962] ? ____cache_alloc_node+0x1c7/0x1e0 [ 435.685627] ? lock_downgrade+0x900/0x900 [ 435.689778] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.695316] cache_grow_begin+0xa5/0x8c0 [ 435.699368] ? do_raw_spin_unlock+0xa7/0x330 [ 435.703809] fallback_alloc+0x204/0x2e0 [ 435.707791] ____cache_alloc_node+0x1c7/0x1e0 [ 435.712284] kmem_cache_alloc_node+0xe3/0x730 [ 435.716771] ? ipv6_get_ifaddr+0x42e/0x620 [ 435.721009] __alloc_skb+0x119/0x770 [ 435.724716] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 435.730000] ? netdev_alloc_frag+0x1f0/0x1f0 [ 435.734399] ? lock_downgrade+0x900/0x900 [ 435.738547] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.744079] ? refcount_sub_and_test_checked+0x203/0x310 [ 435.749529] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 435.754974] ? addrconf_rs_timer+0x690/0x690 [ 435.759389] ndisc_alloc_skb+0x144/0x340 [ 435.763446] ndisc_send_rs+0x331/0x6e0 [ 435.767335] addrconf_rs_timer+0x314/0x690 [ 435.771575] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 435.775831] call_timer_fn+0x272/0x920 [ 435.779721] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 435.783965] ? process_timeout+0x40/0x40 [ 435.788027] ? mark_held_locks+0xc7/0x130 [ 435.792172] ? _raw_spin_unlock_irq+0x27/0x80 [ 435.796661] ? _raw_spin_unlock_irq+0x27/0x80 [ 435.801147] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 435.805378] ? lockdep_hardirqs_on+0x296/0x5b0 [ 435.809953] ? trace_hardirqs_on+0xbd/0x310 [ 435.814270] ? kasan_check_read+0x11/0x20 [ 435.818410] ? __run_timers+0x7da/0xc70 [ 435.822382] ? trace_hardirqs_off_caller+0x310/0x310 [ 435.827481] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 435.831716] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 435.835943] __run_timers+0x7e5/0xc70 [ 435.839757] ? rcu_irq_exit+0x1a2/0x390 [ 435.843735] ? timer_fixup_init+0x70/0x70 [ 435.847880] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.853409] ? check_preemption_disabled+0x48/0x280 [ 435.858431] ? mark_held_locks+0xc7/0x130 [ 435.862571] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 435.867604] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 435.872363] ? retint_kernel+0x2d/0x2d [ 435.876247] ? trace_hardirqs_on_caller+0xc0/0x310 [ 435.881172] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 435.885922] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 435.891373] ? zap_class+0x640/0x640 [ 435.895087] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.900618] ? check_preemption_disabled+0x48/0x280 [ 435.905637] ? __lock_is_held+0xb5/0x140 [ 435.909710] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.915241] ? check_preemption_disabled+0x48/0x280 [ 435.920259] run_timer_softirq+0x52/0xb0 [ 435.924326] ? rcu_read_lock_sched_held+0x14f/0x180 [ 435.929359] __do_softirq+0x308/0xb7e [ 435.933278] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 435.937765] ? lock_downgrade+0x900/0x900 [ 435.941909] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 435.947011] ? pvclock_read_flags+0x160/0x160 [ 435.951511] ? lapic_next_event+0x5a/0x90 [ 435.955655] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.961207] ? kvm_clock_read+0x18/0x30 [ 435.965174] ? kvm_sched_clock_read+0x9/0x20 [ 435.969576] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.975122] ? check_preemption_disabled+0x48/0x280 [ 435.980138] irq_exit+0x17f/0x1c0 [ 435.983584] smp_apic_timer_interrupt+0x1cb/0x760 [ 435.988417] ? smp_reschedule_interrupt+0x109/0x650 [ 435.993428] ? smp_call_function_single_interrupt+0x650/0x650 [ 435.999306] ? interrupt_entry+0xb5/0xc0 [ 436.003368] ? trace_hardirqs_off_caller+0xbb/0x310 [ 436.008386] ? trace_hardirqs_off_caller+0xbb/0x310 [ 436.013395] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 436.018236] ? trace_hardirqs_on_caller+0x310/0x310 [ 436.023252] ? trace_hardirqs_on_caller+0x310/0x310 [ 436.028261] ? task_prio+0x50/0x50 [ 436.031799] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 436.037328] ? check_preemption_disabled+0x48/0x280 [ 436.042360] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 436.047201] apic_timer_interrupt+0xf/0x20 [ 436.051435] [ 436.053668] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 436.058858] Code: 00 e8 95 31 8e f9 e8 90 e2 bd f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d ea 90 8b 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d c0 90 [ 436.077751] RSP: 0000:ffff8801c4c0e140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 436.085459] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003afce19e [ 436.092720] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d7e70c7c [ 436.099985] RBP: ffff8801c4c0e168 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 436.107249] R10: 0000000000000000 R11: ffff8801d7e70400 R12: dffffc0000000000 [ 436.114511] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478 [ 436.121799] retint_kernel+0x1b/0x2d [ 436.125517] RIP: 0010:dump_stack+0x358/0x39d [ 436.129919] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 91 c1 00 fa 48 83 3d 99 b9 91 01 00 0f 84 63 fe ff ff e8 ee e6 bd f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db e6 bd f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 436.148808] RSP: 0000:ffff8801c4c0e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 436.156516] RAX: ffff8801d7e70400 RBX: 1ffffffff12a3e8e RCX: 1ffff1003afce19e [ 436.163775] RDX: 0000000000000000 RSI: ffffffff87c03ae2 RDI: 0000000000000293 [ 436.171035] RBP: ffff8801c4c0e2c8 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 436.178297] R10: 0000000000000000 R11: ffff8801d7e70400 R12: 1ffff10038981c4c [ 436.185558] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 436.192842] ? dump_stack+0x34f/0x39d [ 436.196645] ? dump_stack_print_info.cold.1+0x20/0x20 [ 436.201846] dump_header+0x27b/0xf72 [ 436.205564] ? mark_held_locks+0x130/0x130 [ 436.209798] ? pagefault_out_of_memory+0x197/0x197 [ 436.214735] ? __lock_acquire+0x62f/0x4c20 [ 436.218969] ? zap_class+0x640/0x640 [ 436.222678] ? percpu_ref_get_many+0x240/0x240 [ 436.227260] ? print_usage_bug+0xc0/0xc0 [ 436.231334] ? print_usage_bug+0xc0/0xc0 [ 436.235411] ? zap_class+0x640/0x640 [ 436.239122] ? print_usage_bug+0xc0/0xc0 [ 436.243176] ? print_usage_bug+0xc0/0xc0 [ 436.247236] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.252768] ? find_held_lock+0x36/0x1c0 [ 436.256837] ? mark_held_locks+0xc7/0x130 [ 436.260982] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 436.266081] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 436.271176] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 436.275756] ? trace_hardirqs_on+0xbd/0x310 [ 436.280069] ? kasan_check_read+0x11/0x20 [ 436.284212] ? ___ratelimit+0x3b4/0x672 [ 436.288184] ? trace_hardirqs_off_caller+0x310/0x310 [ 436.293281] ? trace_hardirqs_on+0x310/0x310 [ 436.297685] ? lock_downgrade+0x900/0x900 [ 436.301850] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 436.306944] ? ___ratelimit+0x3b9/0x672 [ 436.310912] ? idr_get_free+0xec0/0xec0 [ 436.314880] ? find_held_lock+0x36/0x1c0 [ 436.318947] oom_kill_process.cold.27+0x10/0x903 [ 436.323698] ? zap_class+0x640/0x640 [ 436.327598] ? check_preemption_disabled+0x48/0x280 [ 436.332612] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 436.337535] ? kasan_check_read+0x11/0x20 [ 436.341676] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 436.346946] ? oom_evaluate_task+0x540/0x540 [ 436.351354] ? find_held_lock+0x36/0x1c0 [ 436.355418] ? out_of_memory+0x974/0x1430 [ 436.359581] ? lock_downgrade+0x900/0x900 [ 436.363728] ? check_preemption_disabled+0x48/0x280 [ 436.368745] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 436.373668] ? kasan_check_read+0x11/0x20 [ 436.377819] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 436.383089] ? rcu_softirq_qs+0x20/0x20 [ 436.387063] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 436.392591] ? oom_evaluate_task+0x302/0x540 [ 436.397128] out_of_memory+0xa84/0x1430 [ 436.401109] ? oom_killer_disable+0x3a0/0x3a0 [ 436.405598] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 436.410523] ? __mutex_add_waiter+0x2a0/0x2a0 [ 436.415028] __alloc_pages_slowpath+0x22d4/0x2d70 [ 436.419889] ? warn_alloc+0x120/0x120 [ 436.423683] ? rcu_softirq_qs+0x20/0x20 [ 436.427678] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 436.433220] ? should_fail+0x22d/0xd01 [ 436.437105] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 436.442201] ? zap_class+0x640/0x640 [ 436.445932] ? __lock_is_held+0xb5/0x140 [ 436.449999] ? mark_held_locks+0x130/0x130 [ 436.454228] ? lock_release+0xa00/0xa00 [ 436.458201] ? perf_trace_sched_process_exec+0x860/0x860 [ 436.463658] ? __might_sleep+0x95/0x190 [ 436.467631] __alloc_pages_nodemask+0xa80/0xde0 [ 436.472301] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 436.477327] ? __page_cache_alloc+0x191/0x5c0 [ 436.481830] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 436.486754] ? kasan_check_read+0x11/0x20 [ 436.490901] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 436.496171] ? zap_class+0x640/0x640 [ 436.499894] ? zap_class+0x640/0x640 [ 436.503601] ? zap_class+0x640/0x640 [ 436.507316] ? __do_page_cache_readahead+0x7ce/0x980 [ 436.512415] ? find_held_lock+0x36/0x1c0 [ 436.516493] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 436.522043] alloc_pages_current+0x173/0x350 [ 436.526452] __page_cache_alloc+0x38c/0x5c0 [ 436.530767] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 436.535716] ? kasan_check_read+0x11/0x20 [ 436.539859] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 436.545147] ? generic_perform_write+0x6a0/0x6a0 [ 436.549897] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 436.555428] ? check_preemption_disabled+0x48/0x280 [ 436.560444] filemap_fault+0x1594/0x25f0 [ 436.564509] ? __lock_page_or_retry+0xa00/0xa00 [ 436.569173] ? mark_held_locks+0x130/0x130 [ 436.573401] ? rcu_softirq_qs+0x20/0x20 [ 436.577384] ? filemap_map_pages+0xe04/0x1990 [ 436.581887] ? __free_object+0x173/0x340 [ 436.585944] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 436.590868] ? trace_hardirqs_off_caller+0x310/0x310 [ 436.595965] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 436.600658] ? debug_object_free+0x32d/0x690 [ 436.605061] ? kasan_check_read+0x11/0x20 [ 436.609212] ? debug_object_destroy+0x2b0/0x2b0 [ 436.613874] ? lock_pi_update_atomic+0x150/0x150 [ 436.618622] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.624152] ? __hrtimer_init+0xdb/0x240 [ 436.628221] ? lock_acquire+0x1ed/0x520 [ 436.632193] ? ext4_filemap_fault+0x7a/0xad [ 436.636512] ? lock_release+0xa00/0xa00 [ 436.640491] ? perf_trace_sched_process_exec+0x860/0x860 [ 436.645937] ? print_usage_bug+0xc0/0xc0 [ 436.649991] ? print_usage_bug+0xc0/0xc0 [ 436.654054] ? down_read+0x8d/0x120 [ 436.657671] ? ext4_filemap_fault+0x7a/0xad [ 436.661989] ? __down_interruptible+0x700/0x700 [ 436.666659] ext4_filemap_fault+0x82/0xad [ 436.670808] __do_fault+0x100/0x6b0 [ 436.674457] ? pmd_devmap_trans_unstable+0x220/0x220 [ 436.679552] ? mark_held_locks+0x130/0x130 [ 436.683792] ? mark_held_locks+0x130/0x130 [ 436.688039] ? debug_smp_processor_id+0x1c/0x20 [ 436.692704] ? perf_trace_lock+0x14d/0x7a0 [ 436.696953] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 436.702486] __handle_mm_fault+0x307c/0x5920 [ 436.706915] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 436.711753] ? lock_is_held_type+0x210/0x210 [ 436.716186] ? zap_class+0x640/0x640 [ 436.719891] ? zap_class+0x640/0x640 [ 436.723598] ? __x64_sys_futex+0x53e/0x6a0 [ 436.727832] ? find_held_lock+0x36/0x1c0 [ 436.731895] ? handle_mm_fault+0x42a/0xc70 [ 436.736123] ? lock_downgrade+0x900/0x900 [ 436.740263] ? check_preemption_disabled+0x48/0x280 [ 436.745284] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 436.750213] ? kasan_check_read+0x11/0x20 [ 436.754354] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 436.759640] ? rcu_softirq_qs+0x20/0x20 [ 436.763607] ? trace_hardirqs_off_caller+0x310/0x310 [ 436.768703] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 436.774233] ? check_preemption_disabled+0x48/0x280 [ 436.779248] handle_mm_fault+0x54f/0xc70 [ 436.783311] ? __handle_mm_fault+0x5920/0x5920 [ 436.787897] ? find_vma+0x34/0x190 [ 436.791442] __do_page_fault+0x5e8/0xe60 [ 436.795495] ? trace_hardirqs_off+0xb8/0x310 [ 436.799896] ? __ia32_sys_read+0xb0/0xb0 [ 436.803960] do_page_fault+0xf2/0x7e0 [ 436.807758] ? vmalloc_sync_all+0x30/0x30 [ 436.811905] ? error_entry+0x70/0xd0 [ 436.815615] ? trace_hardirqs_off_caller+0xbb/0x310 [ 436.820631] ? trace_hardirqs_on_caller+0xc0/0x310 [ 436.825563] ? syscall_return_slowpath+0x5e0/0x5e0 [ 436.830489] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 436.835329] ? trace_hardirqs_on_caller+0x310/0x310 [ 436.840340] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 436.845792] ? prepare_exit_to_usermode+0x291/0x3b0 [ 436.850806] ? page_fault+0x8/0x30 [ 436.854357] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 436.859198] ? page_fault+0x8/0x30 [ 436.862735] page_fault+0x1e/0x30 [ 436.866181] RIP: 0033:0x45ddf3 [ 436.869385] Code: Bad RIP value. [ 436.872745] RSP: 002b:000000c4200206a0 EFLAGS: 00010206 [ 436.878109] RAX: ffffffffffffff92 RBX: 000000003b974269 RCX: 000000000045ddf3 [ 436.885369] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e1060 [ 436.892633] RBP: 000000c4200206e8 R08: 0000000000000000 R09: 0000000000000000 [ 436.899993] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001 [ 436.907257] R13: 0000000000000007 R14: 0000000000b7f720 R15: 000000000000bdf9 [ 436.914546] warn_alloc_show_mem: 1 callbacks suppressed [ 436.914555] CPU: 0 PID: 17787 Comm: syz-executor0 Not tainted 4.19.0+ #72 [ 436.914557] Mem-Info: [ 436.914585] active_anon:46452 inactive_anon:2315 isolated_anon:0 [ 436.914585] active_file:13 inactive_file:13 isolated_file:0 [ 436.914585] unevictable:0 dirty:0 writeback:0 unstable:0 [ 436.914585] slab_reclaimable:9341 slab_unreclaimable:1470635 [ 436.914585] mapped:24578 shmem:7010 pagetables:528 bounce:0 [ 436.914585] free:13753 free_pcp:603 free_cma:0 [ 436.919919] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 436.919926] Call Trace: [ 436.926852] Node 0 active_anon:185808kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:28040kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 436.929240] [ 436.962272] Node 0 [ 436.971611] dump_stack+0x244/0x39d [ 436.974193] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 437.001774] ? dump_stack_print_info.cold.1+0x20/0x20 [ 437.003883] lowmem_reserve[]: 0 [ 437.006123] warn_alloc.cold.117+0xb7/0x1bd [ 437.009733] 2818 [ 437.035221] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 437.040378] 6321 6321 [ 437.043674] ? lock_downgrade+0x900/0x900 [ 437.047965] Node 0 [ 437.050018] ? trace_hardirqs_off+0xb8/0x310 [ 437.054866] DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 437.057342] ? trace_hardirqs_off+0xb8/0x310 [ 437.061459] lowmem_reserve[]: [ 437.063689] __alloc_pages_slowpath+0x2660/0x2d70 [ 437.068058] 0 0 [ 437.095047] ? native_queued_spin_lock_slowpath+0x1ec/0x13d0 [ 437.099403] 3503 3503 [ 437.102503] ? warn_alloc+0x120/0x120 [ 437.109285] ? __lock_acquire+0x62f/0x4c20 [ 437.115050] Node 0 [ 437.117531] ? __lock_acquire+0x62f/0x4c20 [ 437.121330] Normal free:13924kB min:37364kB low:46704kB high:56044kB active_anon:183760kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5536kB pagetables:2112kB bounce:0kB free_pcp:2164kB local_pcp:1336kB free_cma:0kB [ 437.125524] ? warn_alloc+0x120/0x120 [ 437.127725] lowmem_reserve[]: 0 [ 437.131964] ? print_usage_bug+0xc0/0xc0 [ 437.160464] 0 0 [ 437.164252] ? warn_alloc+0x120/0x120 [ 437.167499] 0 [ 437.171553] ? print_usage_bug+0xc0/0xc0 [ 437.173501] Node 0 [ 437.177285] ? mark_held_locks+0x130/0x130 [ 437.179059] DMA: [ 437.183107] ? mark_held_locks+0x130/0x130 [ 437.185316] 1*4kB [ 437.189537] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 437.191568] (U) 0*8kB [ 437.195799] ? should_fail+0x22d/0xd01 [ 437.197919] 0*16kB 1*32kB [ 437.203447] ? zap_class+0x640/0x640 [ 437.205908] (U) 2*64kB [ 437.209811] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 437.212628] (U) [ 437.216328] ? __lock_acquire+0x62f/0x4c20 [ 437.218878] 1*128kB (U) [ 437.223971] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 437.225923] 1*256kB (U) [ 437.230150] ? should_fail+0x22d/0xd01 [ 437.232808] 0*512kB [ 437.237904] ? mark_held_locks+0x130/0x130 [ 437.240543] 1*1024kB [ 437.244435] ? mark_held_locks+0x130/0x130 [ 437.246728] (U) [ 437.250958] ? lock_downgrade+0x900/0x900 [ 437.253341] 1*2048kB (M) [ 437.257569] ? zap_class+0x640/0x640 [ 437.259513] 3*4096kB (M) [ 437.263653] ? zap_class+0x640/0x640 [ 437.266380] = 15908kB [ 437.266387] Node 0 [ 437.270087] ? zap_class+0x640/0x640 [ 437.272900] DMA32: 5*4kB [ 437.276605] ? do_raw_spin_unlock+0xa7/0x330 [ 437.278982] (UM) 1*8kB [ 437.281210] ? trace_hardirqs_on+0x310/0x310 [ 437.284895] (H) [ 437.287641] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.292019] 2*16kB [ 437.294587] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.298962] (M) [ 437.300924] ? check_preemption_disabled+0x48/0x280 [ 437.306424] 3*32kB (M) [ 437.308659] ? __lock_is_held+0xb5/0x140 [ 437.314156] 3*64kB (MH) [ 437.316131] __alloc_pages_nodemask+0xa80/0xde0 [ 437.321115] 4*128kB (M) [ 437.323690] ? zap_class+0x640/0x640 [ 437.327717] 5*256kB (UMH) [ 437.330392] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 437.335028] 5*512kB (UMH) [ 437.337700] ? find_held_lock+0x36/0x1c0 [ 437.341376] 4*1024kB (UMH) [ 437.344221] ? ____cache_alloc_node+0x1c7/0x1e0 [ 437.349203] 2*2048kB [ 437.352030] ? lock_downgrade+0x900/0x900 [ 437.356060] (UM) [ 437.358979] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.363613] 3*4096kB [ 437.366013] cache_grow_begin+0xa5/0x8c0 [ 437.370129] (M) [ 437.372185] ? do_raw_spin_unlock+0xa7/0x330 [ 437.377688] = 25180kB [ 437.377695] Node 0 [ 437.380099] fallback_alloc+0x204/0x2e0 [ 437.384240] Normal: 1917*4kB [ 437.386228] ____cache_alloc_node+0x1c7/0x1e0 [ 437.390628] (UME) [ 437.393028] kmem_cache_alloc_node+0xe3/0x730 [ 437.395232] 392*8kB [ 437.399199] ? lockdep_hardirqs_on+0x296/0x5b0 [ 437.402275] (UME) [ 437.406767] __alloc_skb+0x119/0x770 [ 437.408893] 105*16kB (UME) [ 437.413379] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 437.415681] 43*32kB (UM) [ 437.420269] ? netdev_alloc_frag+0x1f0/0x1f0 [ 437.422386] 1*64kB (U) [ 437.426095] ? vprintk_default+0x28/0x30 [ 437.428993] 0*128kB [ 437.434339] ? vprintk_func+0x85/0x181 [ 437.437063] 0*256kB 0*512kB [ 437.441459] ? printk+0xa7/0xcf [ 437.444016] 0*1024kB [ 437.448060] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 437.450355] 0*2048kB 0*4096kB [ 437.454244] new_skb+0x26/0x1c0 [ 437.457226] = 13924kB [ 437.460492] aoecmd_cfg+0x279/0x7f0 [ 437.462880] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 437.467616] ? find_held_lock+0x36/0x1c0 [ 437.470786] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 437.474047] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 437.476516] 7036 total pagecache pages [ 437.480127] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.488938] 0 pages in swap cache [ 437.492982] ? __lock_is_held+0xb5/0x140 [ 437.501524] Swap cache stats: add 0, delete 0, find 0/0 [ 437.505834] discover_timer+0x50/0x60 [ 437.509910] Free swap = 0kB [ 437.509918] Total swap = 0kB [ 437.515446] call_timer_fn+0x272/0x920 [ 437.518876] 1965979 pages RAM [ 437.522925] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 437.528256] 0 pages HighMem/MovableOnly [ 437.532042] ? process_timeout+0x40/0x40 [ 437.535031] 342867 pages reserved [ 437.538041] ? __run_timers+0x7da/0xc70 [ 437.541887] 0 pages cma reserved [ 437.541955] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 437.544982] ? _raw_spin_unlock_irq+0x27/0x80 [ 437.544995] ? _raw_spin_unlock_irq+0x27/0x80 [ 437.545028] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 437.549898] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 437.553813] ? lockdep_hardirqs_on+0x296/0x5b0 [ 437.557841] syz-fuzzer cpuset= [ 437.561295] ? trace_hardirqs_on+0xbd/0x310 [ 437.565244] / [ 437.568588] ? kasan_check_read+0x11/0x20 [ 437.568604] ? __run_timers+0x7da/0xc70 [ 437.575067] mems_allowed=0 [ 437.579544] ? trace_hardirqs_off_caller+0x310/0x310 [ 437.628879] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 437.633729] __run_timers+0x7e5/0xc70 [ 437.637531] ? timer_fixup_init+0x70/0x70 [ 437.641671] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 437.646678] ? zap_class+0x640/0x640 [ 437.650407] ? enqueue_hrtimer+0x1a5/0x560 [ 437.654636] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 437.659824] ? find_held_lock+0x36/0x1c0 [ 437.663885] ? zap_class+0x640/0x640 [ 437.667595] ? pvclock_read_flags+0x160/0x160 [ 437.672104] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.677934] ? check_preemption_disabled+0x48/0x280 [ 437.682957] ? __lock_is_held+0xb5/0x140 [ 437.687025] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.692567] ? check_preemption_disabled+0x48/0x280 [ 437.697579] run_timer_softirq+0x52/0xb0 [ 437.701633] ? rcu_read_lock_sched_held+0x14f/0x180 [ 437.706643] __do_softirq+0x308/0xb7e [ 437.710438] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 437.714928] ? lock_downgrade+0x900/0x900 [ 437.719072] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 437.724175] ? pvclock_read_flags+0x160/0x160 [ 437.728665] ? lapic_next_event+0x5a/0x90 [ 437.732806] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.738351] ? kvm_clock_read+0x18/0x30 [ 437.742318] ? kvm_sched_clock_read+0x9/0x20 [ 437.746729] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.752261] ? check_preemption_disabled+0x48/0x280 [ 437.757294] irq_exit+0x17f/0x1c0 [ 437.760748] smp_apic_timer_interrupt+0x1cb/0x760 [ 437.765582] ? smp_reschedule_interrupt+0x109/0x650 [ 437.770592] ? smp_call_function_single_interrupt+0x650/0x650 [ 437.776472] ? interrupt_entry+0xb5/0xc0 [ 437.780534] ? trace_hardirqs_off_caller+0xbb/0x310 [ 437.785543] ? trace_hardirqs_off_caller+0xbb/0x310 [ 437.790552] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 437.795388] ? trace_hardirqs_on_caller+0x310/0x310 [ 437.800401] ? trace_hardirqs_on_caller+0x310/0x310 [ 437.805414] ? task_prio+0x50/0x50 [ 437.808967] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.814499] ? check_preemption_disabled+0x48/0x280 [ 437.819516] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 437.824361] apic_timer_interrupt+0xf/0x20 [ 437.828584] [ 437.830820] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 437.835744] Code: 7e 0f 85 cf fe ff ff e8 f6 d7 3f ff e9 c5 fe ff ff e8 4d a2 c3 ff 48 83 3d a5 50 91 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 6a b1 [ 437.854653] RSP: 0000:ffff88019c63f740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 437.862365] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 437.869644] RDX: 0000000000000000 RSI: ffff8801929e68c0 RDI: 0000000000000286 [ 437.876905] RBP: ffff88019c63f7a8 R08: ffff8801929e6040 R09: 0000000000000000 [ 437.884165] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 437.891430] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020 [ 437.898736] skb_clone+0x1bb/0x500 [ 437.902275] ? finish_task_switch+0x2f4/0x910 [ 437.906780] ? skb_split+0x11e0/0x11e0 [ 437.910663] ? preempt_notifier_register+0x200/0x200 [ 437.915782] ? __switch_to_asm+0x34/0x70 [ 437.919836] ? __switch_to_asm+0x34/0x70 [ 437.923891] ? __switch_to_asm+0x40/0x70 [ 437.927955] ? __switch_to_asm+0x34/0x70 [ 437.932012] ? __switch_to_asm+0x40/0x70 [ 437.936065] ? __switch_to_asm+0x34/0x70 [ 437.940125] ? __switch_to_asm+0x40/0x70 [ 437.944178] ? __switch_to_asm+0x34/0x70 [ 437.948234] ? __switch_to_asm+0x34/0x70 [ 437.952297] ? __switch_to_asm+0x40/0x70 [ 437.956348] ? __switch_to_asm+0x34/0x70 [ 437.960408] bpf_clone_redirect+0xb9/0x490 [ 437.964637] ? __schedule+0x8d7/0x21d0 [ 437.968533] bpf_prog_bebbfe2050753572+0x325/0x1000 [ 437.973557] ? __sched_text_start+0x8/0x8 [ 437.977718] ? find_held_lock+0x36/0x1c0 [ 437.981781] ? lock_acquire+0x1ed/0x520 [ 437.985751] ? bpf_test_run+0x3cb/0x780 [ 437.989719] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.995251] ? check_preemption_disabled+0x48/0x280 [ 438.000289] ? kasan_check_read+0x11/0x20 [ 438.004433] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 438.009712] ? rcu_softirq_qs+0x20/0x20 [ 438.013689] ? preempt_schedule+0x4d/0x60 [ 438.017830] ? ___preempt_schedule+0x16/0x18 [ 438.022239] ? bpf_test_run+0x25d/0x780 [ 438.026214] ? netlink_diag_dump+0x2a0/0x2a0 [ 438.030628] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 438.036158] ? bpf_test_init.isra.10+0x70/0x100 [ 438.040823] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 438.045580] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 438.050415] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 438.055951] ? fput+0x130/0x1a0 [ 438.059246] ? __bpf_prog_get+0x9b/0x290 [ 438.063301] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 438.068141] ? bpf_prog_test_run+0x130/0x1a0 [ 438.072544] ? __x64_sys_bpf+0x3d8/0x520 [ 438.076964] ? bpf_prog_get+0x20/0x20 [ 438.080774] ? do_syscall_64+0x1b9/0x820 [ 438.084828] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 438.090185] ? syscall_return_slowpath+0x5e0/0x5e0 [ 438.095110] ? trace_hardirqs_on_caller+0x310/0x310 [ 438.100119] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 438.105153] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 438.111816] ? __switch_to_asm+0x40/0x70 [ 438.115883] ? __switch_to_asm+0x34/0x70 [ 438.119961] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 438.124808] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 438.130189] CPU: 1 PID: 5375 Comm: syz-fuzzer Not tainted 4.19.0+ #72 [ 438.130255] aoe: skb alloc failure [ 438.136763] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 438.136767] Call Trace: [ 438.136772] [ 438.136805] dump_stack+0x244/0x39d [ 438.136823] ? dump_stack_print_info.cold.1+0x20/0x20 [ 438.140360] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 438.149694] warn_alloc.cold.117+0xb7/0x1bd [ 438.152245] syz-executor0 cpuset= [ 438.154384] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 438.157981] syz0 [ 438.163153] ? lock_downgrade+0x900/0x900 [ 438.173612] mems_allowed=0 [ 438.178268] ? trace_hardirqs_off+0xb8/0x310 [ 438.199909] ? trace_hardirqs_off+0xb8/0x310 [ 438.204318] __alloc_pages_slowpath+0x2660/0x2d70 [ 438.209196] ? warn_alloc+0x120/0x120 [ 438.212996] ? warn_alloc+0x120/0x120 [ 438.216793] ? print_usage_bug+0xc0/0xc0 [ 438.220855] ? warn_alloc+0x120/0x120 [ 438.224650] ? print_usage_bug+0xc0/0xc0 [ 438.228713] ? __lock_acquire+0x62f/0x4c20 [ 438.232946] ? __lock_acquire+0x62f/0x4c20 [ 438.237199] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 438.242731] ? should_fail+0x22d/0xd01 [ 438.246614] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 438.251708] ? __lock_acquire+0x62f/0x4c20 [ 438.255939] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 438.261041] ? __lock_acquire+0x62f/0x4c20 [ 438.265267] ? should_fail+0x22d/0xd01 [ 438.269147] ? find_held_lock+0x36/0x1c0 [ 438.273214] ? mark_held_locks+0x130/0x130 [ 438.277448] ? mark_held_locks+0x130/0x130 [ 438.281695] ? zap_class+0x640/0x640 [ 438.285401] ? zap_class+0x640/0x640 [ 438.289109] ? print_usage_bug+0xc0/0xc0 [ 438.293175] ? do_raw_spin_unlock+0xa7/0x330 [ 438.297574] ? zap_class+0x640/0x640 [ 438.301283] ? print_usage_bug+0xc0/0xc0 [ 438.305338] ? wq_watchdog_touch+0x9c/0xfe [ 438.309568] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.315100] ? check_preemption_disabled+0x48/0x280 [ 438.320120] ? __lock_is_held+0xb5/0x140 [ 438.324182] __alloc_pages_nodemask+0xa80/0xde0 [ 438.328845] ? zap_class+0x640/0x640 [ 438.332560] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 438.337580] ? find_held_lock+0x36/0x1c0 [ 438.341642] ? ____cache_alloc_node+0x1c7/0x1e0 [ 438.346316] ? lock_downgrade+0x900/0x900 [ 438.350466] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.356003] cache_grow_begin+0xa5/0x8c0 [ 438.360056] ? do_raw_spin_unlock+0xa7/0x330 [ 438.364485] fallback_alloc+0x204/0x2e0 [ 438.368465] ____cache_alloc_node+0x1c7/0x1e0 [ 438.372958] kmem_cache_alloc_node+0xe3/0x730 [ 438.377447] ? ipv6_get_ifaddr+0x42e/0x620 [ 438.381690] __alloc_skb+0x119/0x770 [ 438.385397] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 438.390681] ? netdev_alloc_frag+0x1f0/0x1f0 [ 438.395084] ? lock_downgrade+0x900/0x900 [ 438.399232] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.404775] ? refcount_sub_and_test_checked+0x203/0x310 [ 438.410227] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 438.415679] ? addrconf_rs_timer+0x690/0x690 [ 438.420105] ndisc_alloc_skb+0x144/0x340 [ 438.424166] ndisc_send_rs+0x331/0x6e0 [ 438.428053] addrconf_rs_timer+0x314/0x690 [ 438.432305] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 438.436567] call_timer_fn+0x272/0x920 [ 438.440448] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 438.444677] ? process_timeout+0x40/0x40 [ 438.448743] ? mark_held_locks+0xc7/0x130 [ 438.452906] ? _raw_spin_unlock_irq+0x27/0x80 [ 438.457395] ? _raw_spin_unlock_irq+0x27/0x80 [ 438.461880] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 438.466108] ? lockdep_hardirqs_on+0x296/0x5b0 [ 438.470681] ? trace_hardirqs_on+0xbd/0x310 [ 438.474999] ? kasan_check_read+0x11/0x20 [ 438.479143] ? __run_timers+0x7da/0xc70 [ 438.483117] ? trace_hardirqs_off_caller+0x310/0x310 [ 438.488225] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 438.492463] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 438.496691] __run_timers+0x7e5/0xc70 [ 438.500483] ? rcu_irq_exit+0x1a2/0x390 [ 438.504464] ? timer_fixup_init+0x70/0x70 [ 438.508606] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.514141] ? check_preemption_disabled+0x48/0x280 [ 438.519173] ? mark_held_locks+0xc7/0x130 [ 438.523312] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 438.528325] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 438.533086] ? retint_kernel+0x2d/0x2d [ 438.536968] ? trace_hardirqs_on_caller+0xc0/0x310 [ 438.541893] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 438.546647] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 438.552090] ? zap_class+0x640/0x640 [ 438.555803] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.561334] ? check_preemption_disabled+0x48/0x280 [ 438.566348] ? __lock_is_held+0xb5/0x140 [ 438.570403] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.575936] ? check_preemption_disabled+0x48/0x280 [ 438.580948] run_timer_softirq+0x52/0xb0 [ 438.585004] ? rcu_read_lock_sched_held+0x14f/0x180 [ 438.590012] __do_softirq+0x308/0xb7e [ 438.593809] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 438.598295] ? lock_downgrade+0x900/0x900 [ 438.602438] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 438.607552] ? pvclock_read_flags+0x160/0x160 [ 438.612042] ? lapic_next_event+0x5a/0x90 [ 438.616183] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.621721] ? kvm_clock_read+0x18/0x30 [ 438.625693] ? kvm_sched_clock_read+0x9/0x20 [ 438.630096] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.635624] ? check_preemption_disabled+0x48/0x280 [ 438.640655] irq_exit+0x17f/0x1c0 [ 438.644103] smp_apic_timer_interrupt+0x1cb/0x760 [ 438.648937] ? smp_reschedule_interrupt+0x109/0x650 [ 438.653947] ? smp_call_function_single_interrupt+0x650/0x650 [ 438.659824] ? interrupt_entry+0xb5/0xc0 [ 438.663881] ? trace_hardirqs_off_caller+0xbb/0x310 [ 438.668889] ? trace_hardirqs_off_caller+0xbb/0x310 [ 438.673902] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 438.678740] ? trace_hardirqs_on_caller+0x310/0x310 [ 438.683748] ? trace_hardirqs_on_caller+0x310/0x310 [ 438.688755] ? task_prio+0x50/0x50 [ 438.692293] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 438.697824] ? check_preemption_disabled+0x48/0x280 [ 438.702841] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 438.707689] apic_timer_interrupt+0xf/0x20 [ 438.711915] [ 438.714149] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 438.719339] Code: 00 e8 95 31 8e f9 e8 90 e2 bd f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d ea 90 8b 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d c0 90 [ 438.738234] RSP: 0000:ffff8801c4c0e140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 438.745939] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003afce19e [ 438.753197] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d7e70c7c [ 438.760469] RBP: ffff8801c4c0e168 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 438.767730] R10: 0000000000000000 R11: ffff8801d7e70400 R12: dffffc0000000000 [ 438.774998] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478 [ 438.782286] retint_kernel+0x1b/0x2d [ 438.785991] RIP: 0010:dump_stack+0x358/0x39d [ 438.790394] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 91 c1 00 fa 48 83 3d 99 b9 91 01 00 0f 84 63 fe ff ff e8 ee e6 bd f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db e6 bd f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 438.809286] RSP: 0000:ffff8801c4c0e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 438.816988] RAX: ffff8801d7e70400 RBX: 1ffffffff12a3e8e RCX: 1ffff1003afce19e [ 438.824259] RDX: 0000000000000000 RSI: ffffffff87c03ae2 RDI: 0000000000000293 [ 438.831524] RBP: ffff8801c4c0e2c8 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 438.838786] R10: 0000000000000000 R11: ffff8801d7e70400 R12: 1ffff10038981c4c [ 438.846049] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 438.853325] ? dump_stack+0x34f/0x39d [ 438.857130] ? dump_stack_print_info.cold.1+0x20/0x20 [ 438.862323] dump_header+0x27b/0xf72 [ 438.866041] ? mark_held_locks+0x130/0x130 [ 438.870269] ? pagefault_out_of_memory+0x197/0x197 [ 438.875203] ? __lock_acquire+0x62f/0x4c20 [ 438.879427] ? zap_class+0x640/0x640 [ 438.883142] ? percpu_ref_get_many+0x240/0x240 [ 438.887716] ? print_usage_bug+0xc0/0xc0 [ 438.891770] ? print_usage_bug+0xc0/0xc0 [ 438.895836] ? zap_class+0x640/0x640 [ 438.899545] ? print_usage_bug+0xc0/0xc0 [ 438.903600] ? print_usage_bug+0xc0/0xc0 [ 438.907670] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.913207] ? find_held_lock+0x36/0x1c0 [ 438.917271] ? mark_held_locks+0xc7/0x130 [ 438.921415] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 438.926513] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 438.931619] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 438.936196] ? trace_hardirqs_on+0xbd/0x310 [ 438.940510] ? kasan_check_read+0x11/0x20 [ 438.944661] ? ___ratelimit+0x3b4/0x672 [ 438.948640] ? trace_hardirqs_off_caller+0x310/0x310 [ 438.953736] ? trace_hardirqs_on+0x310/0x310 [ 438.958142] ? lock_downgrade+0x900/0x900 [ 438.962287] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 438.967388] ? ___ratelimit+0x3b9/0x672 [ 438.971360] ? idr_get_free+0xec0/0xec0 [ 438.975336] ? find_held_lock+0x36/0x1c0 [ 438.979411] oom_kill_process.cold.27+0x10/0x903 [ 438.984165] ? zap_class+0x640/0x640 [ 438.987876] ? check_preemption_disabled+0x48/0x280 [ 438.992886] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 438.997809] ? kasan_check_read+0x11/0x20 [ 439.002039] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 439.007328] ? oom_evaluate_task+0x540/0x540 [ 439.011731] ? find_held_lock+0x36/0x1c0 [ 439.015800] ? out_of_memory+0x974/0x1430 [ 439.019944] ? lock_downgrade+0x900/0x900 [ 439.024087] ? check_preemption_disabled+0x48/0x280 [ 439.029107] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 439.034029] ? kasan_check_read+0x11/0x20 [ 439.038171] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 439.043442] ? rcu_softirq_qs+0x20/0x20 [ 439.047413] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 439.052941] ? oom_evaluate_task+0x302/0x540 [ 439.057361] out_of_memory+0xa84/0x1430 [ 439.061355] ? oom_killer_disable+0x3a0/0x3a0 [ 439.065844] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 439.070771] ? __mutex_add_waiter+0x2a0/0x2a0 [ 439.075270] __alloc_pages_slowpath+0x22d4/0x2d70 [ 439.080136] ? warn_alloc+0x120/0x120 [ 439.083931] ? rcu_softirq_qs+0x20/0x20 [ 439.087921] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 439.093450] ? should_fail+0x22d/0xd01 [ 439.097346] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 439.102443] ? zap_class+0x640/0x640 [ 439.106177] ? __lock_is_held+0xb5/0x140 [ 439.110241] ? mark_held_locks+0x130/0x130 [ 439.114483] ? lock_release+0xa00/0xa00 [ 439.118450] ? perf_trace_sched_process_exec+0x860/0x860 [ 439.123906] ? __might_sleep+0x95/0x190 [ 439.127876] __alloc_pages_nodemask+0xa80/0xde0 [ 439.132567] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 439.137592] ? __page_cache_alloc+0x191/0x5c0 [ 439.142080] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 439.147003] ? kasan_check_read+0x11/0x20 [ 439.151146] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 439.156418] ? zap_class+0x640/0x640 [ 439.160131] ? zap_class+0x640/0x640 [ 439.163838] ? zap_class+0x640/0x640 [ 439.167545] ? __do_page_cache_readahead+0x7ce/0x980 [ 439.172647] ? find_held_lock+0x36/0x1c0 [ 439.176736] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 439.182272] alloc_pages_current+0x173/0x350 [ 439.186701] __page_cache_alloc+0x38c/0x5c0 [ 439.191019] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 439.195941] ? kasan_check_read+0x11/0x20 [ 439.200082] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 439.205359] ? generic_perform_write+0x6a0/0x6a0 [ 439.210111] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 439.215654] ? check_preemption_disabled+0x48/0x280 [ 439.220676] filemap_fault+0x1594/0x25f0 [ 439.224742] ? __lock_page_or_retry+0xa00/0xa00 [ 439.229405] ? mark_held_locks+0x130/0x130 [ 439.233634] ? rcu_softirq_qs+0x20/0x20 [ 439.237618] ? filemap_map_pages+0xe04/0x1990 [ 439.242121] ? __free_object+0x173/0x340 [ 439.246174] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 439.251117] ? trace_hardirqs_off_caller+0x310/0x310 [ 439.256214] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 439.260889] ? debug_object_free+0x32d/0x690 [ 439.265298] ? kasan_check_read+0x11/0x20 [ 439.269460] ? debug_object_destroy+0x2b0/0x2b0 [ 439.274122] ? lock_pi_update_atomic+0x150/0x150 [ 439.278871] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.284399] ? __hrtimer_init+0xdb/0x240 [ 439.288462] ? lock_acquire+0x1ed/0x520 [ 439.292433] ? ext4_filemap_fault+0x7a/0xad [ 439.296767] ? lock_release+0xa00/0xa00 [ 439.300730] ? perf_trace_sched_process_exec+0x860/0x860 [ 439.306176] ? print_usage_bug+0xc0/0xc0 [ 439.310231] ? print_usage_bug+0xc0/0xc0 [ 439.314293] ? down_read+0x8d/0x120 [ 439.317911] ? ext4_filemap_fault+0x7a/0xad [ 439.322228] ? __down_interruptible+0x700/0x700 [ 439.326914] ext4_filemap_fault+0x82/0xad [ 439.331056] __do_fault+0x100/0x6b0 [ 439.334682] ? pmd_devmap_trans_unstable+0x220/0x220 [ 439.339780] ? mark_held_locks+0x130/0x130 [ 439.344010] ? mark_held_locks+0x130/0x130 [ 439.348241] ? debug_smp_processor_id+0x1c/0x20 [ 439.352903] ? perf_trace_lock+0x14d/0x7a0 [ 439.357136] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 439.362670] __handle_mm_fault+0x307c/0x5920 [ 439.367083] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 439.372010] ? lock_is_held_type+0x210/0x210 [ 439.376440] ? zap_class+0x640/0x640 [ 439.380149] ? zap_class+0x640/0x640 [ 439.383856] ? __x64_sys_futex+0x53e/0x6a0 [ 439.388109] ? find_held_lock+0x36/0x1c0 [ 439.392177] ? handle_mm_fault+0x42a/0xc70 [ 439.396409] ? lock_downgrade+0x900/0x900 [ 439.400561] ? check_preemption_disabled+0x48/0x280 [ 439.405586] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 439.410504] ? kasan_check_read+0x11/0x20 [ 439.414646] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 439.419919] ? rcu_softirq_qs+0x20/0x20 [ 439.423893] ? trace_hardirqs_off_caller+0x310/0x310 [ 439.428990] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 439.434519] ? check_preemption_disabled+0x48/0x280 [ 439.439537] handle_mm_fault+0x54f/0xc70 [ 439.443605] ? __handle_mm_fault+0x5920/0x5920 [ 439.448183] ? find_vma+0x34/0x190 [ 439.451737] __do_page_fault+0x5e8/0xe60 [ 439.455792] ? trace_hardirqs_off+0xb8/0x310 [ 439.460193] ? __ia32_sys_read+0xb0/0xb0 [ 439.464258] do_page_fault+0xf2/0x7e0 [ 439.468054] ? vmalloc_sync_all+0x30/0x30 [ 439.472197] ? error_entry+0x70/0xd0 [ 439.475907] ? trace_hardirqs_off_caller+0xbb/0x310 [ 439.480916] ? trace_hardirqs_on_caller+0xc0/0x310 [ 439.485842] ? syscall_return_slowpath+0x5e0/0x5e0 [ 439.490767] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 439.495607] ? trace_hardirqs_on_caller+0x310/0x310 [ 439.500613] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 439.506059] ? prepare_exit_to_usermode+0x291/0x3b0 [ 439.511391] ? page_fault+0x8/0x30 [ 439.514930] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 439.519779] ? page_fault+0x8/0x30 [ 439.523318] page_fault+0x1e/0x30 [ 439.526764] RIP: 0033:0x45ddf3 [ 439.529962] Code: Bad RIP value. [ 439.533328] RSP: 002b:000000c4200206a0 EFLAGS: 00010206 [ 439.538700] RAX: ffffffffffffff92 RBX: 000000003b974269 RCX: 000000000045ddf3 [ 439.545962] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e1060 [ 439.553222] RBP: 000000c4200206e8 R08: 0000000000000000 R09: 0000000000000000 [ 439.560485] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001 [ 439.567742] R13: 0000000000000007 R14: 0000000000b7f720 R15: 000000000000bdf9 [ 439.575021] warn_alloc_show_mem: 1 callbacks suppressed [ 439.575030] CPU: 0 PID: 17787 Comm: syz-executor0 Not tainted 4.19.0+ #72 [ 439.575032] Mem-Info: [ 439.575066] active_anon:46452 inactive_anon:2315 isolated_anon:0 [ 439.575066] active_file:13 inactive_file:13 isolated_file:0 [ 439.575066] unevictable:0 dirty:0 writeback:0 unstable:0 [ 439.575066] slab_reclaimable:9341 slab_unreclaimable:1470635 [ 439.575066] mapped:24578 shmem:7010 pagetables:528 bounce:0 [ 439.575066] free:13753 free_pcp:603 free_cma:0 [ 439.580386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 439.580393] Call Trace: [ 439.587329] Node 0 active_anon:185808kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:28040kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 439.589715] [ 439.622741] Node 0 [ 439.632086] dump_stack+0x244/0x39d [ 439.634665] 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 [ 439.662477] ? dump_stack_print_info.cold.1+0x20/0x20 [ 439.664602] lowmem_reserve[]: [ 439.666837] warn_alloc.cold.117+0xb7/0x1bd [ 439.670420] 0 2818 [ 439.696245] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 439.701409] 6321 [ 439.704503] ? lock_downgrade+0x900/0x900 [ 439.708789] 6321 [ 439.711021] ? trace_hardirqs_off+0xb8/0x310 [ 439.715828] Node 0 [ 439.717880] ? trace_hardirqs_off+0xb8/0x310 [ 439.722019] DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 439.724082] __alloc_pages_slowpath+0x2660/0x2d70 [ 439.728459] lowmem_reserve[]: [ 439.730725] ? native_queued_spin_lock_slowpath+0x1ec/0x13d0 [ 439.735080] 0 0 [ 439.762046] ? warn_alloc+0x120/0x120 [ 439.766861] 3503 [ 439.769952] ? __lock_acquire+0x62f/0x4c20 [ 439.775715] 3503 [ 439.777678] ? __lock_acquire+0x62f/0x4c20 [ 439.781448] Node 0 [ 439.783497] ? warn_alloc+0x120/0x120 [ 439.787737] Normal free:13924kB min:37364kB low:46704kB high:56044kB active_anon:183760kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5536kB pagetables:2112kB bounce:0kB free_pcp:2164kB local_pcp:1336kB free_cma:0kB [ 439.789768] ? print_usage_bug+0xc0/0xc0 [ 439.793971] lowmem_reserve[]: [ 439.796194] ? warn_alloc+0x120/0x120 [ 439.799961] 0 0 [ 439.828490] ? print_usage_bug+0xc0/0xc0 [ 439.832522] 0 [ 439.835629] ? mark_held_locks+0x130/0x130 [ 439.839396] 0 [ 439.841360] ? mark_held_locks+0x130/0x130 [ 439.845398] Node 0 [ 439.847185] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 439.851383] DMA: 1*4kB [ 439.853177] ? should_fail+0x22d/0xd01 [ 439.857379] (U) [ 439.859602] ? zap_class+0x640/0x640 [ 439.865120] 0*8kB 0*16kB [ 439.867697] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 439.871571] 1*32kB [ 439.873554] ? __lock_acquire+0x62f/0x4c20 [ 439.877235] (U) [ 439.879979] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 439.885052] 2*64kB (U) [ 439.887283] ? should_fail+0x22d/0xd01 [ 439.891506] 1*128kB (U) [ 439.893492] ? mark_held_locks+0x130/0x130 [ 439.898572] 1*256kB [ 439.901142] ? mark_held_locks+0x130/0x130 [ 439.905000] (U) [ 439.907657] ? lock_downgrade+0x900/0x900 [ 439.911861] 0*512kB 1*1024kB [ 439.914176] ? zap_class+0x640/0x640 [ 439.918384] (U) [ 439.920342] ? zap_class+0x640/0x640 [ 439.924453] 1*2048kB (M) [ 439.927556] ? zap_class+0x640/0x640 [ 439.931239] 3*4096kB (M) [ 439.933208] ? do_raw_spin_unlock+0xa7/0x330 [ 439.936885] = 15908kB [ 439.936892] Node 0 [ 439.939649] ? trace_hardirqs_on+0x310/0x310 [ 439.943328] DMA32: 5*4kB [ 439.946077] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.950452] (UM) [ 439.952863] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.955072] 1*8kB [ 439.959465] ? check_preemption_disabled+0x48/0x280 [ 439.962186] (H) 2*16kB [ 439.967721] ? __lock_is_held+0xb5/0x140 [ 439.969751] (M) [ 439.975291] __alloc_pages_nodemask+0xa80/0xde0 [ 439.977407] 3*32kB (M) [ 439.982411] ? zap_class+0x640/0x640 [ 439.984967] 3*64kB (MH) [ 439.989018] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 439.990963] 4*128kB (M) [ 439.995631] ? find_held_lock+0x36/0x1c0 [ 439.998179] 5*256kB (UMH) [ 440.001893] ? ____cache_alloc_node+0x1c7/0x1e0 [ 440.004535] 5*512kB [ 440.009551] ? lock_downgrade+0x900/0x900 [ 440.012195] (UMH) [ 440.016256] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.019065] 4*1024kB (UMH) [ 440.023729] cache_grow_begin+0xa5/0x8c0 [ 440.026019] 2*2048kB (UM) [ 440.030179] ? do_raw_spin_unlock+0xa7/0x330 [ 440.032296] 3*4096kB (M) [ 440.037827] fallback_alloc+0x204/0x2e0 [ 440.040727] = 25180kB [ 440.044775] ____cache_alloc_node+0x1c7/0x1e0 [ 440.047589] Node 0 [ 440.051984] kmem_cache_alloc_node+0xe3/0x730 [ 440.054706] Normal: 1917*4kB [ 440.058674] ? lockdep_hardirqs_on+0x296/0x5b0 [ 440.061052] (UME) [ 440.065549] __alloc_skb+0x119/0x770 [ 440.067748] 392*8kB (UME) [ 440.072239] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 440.075307] 105*16kB (UME) [ 440.079880] ? netdev_alloc_frag+0x1f0/0x1f0 [ 440.081997] 43*32kB (UM) [ 440.085709] ? vprintk_default+0x28/0x30 [ 440.088525] 1*64kB (U) [ 440.093882] ? vprintk_func+0x85/0x181 [ 440.096787] 0*128kB [ 440.101176] ? printk+0xa7/0xcf [ 440.103909] 0*256kB [ 440.107955] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 440.110504] 0*512kB 0*1024kB [ 440.114403] new_skb+0x26/0x1c0 [ 440.116690] 0*2048kB 0*4096kB [ 440.119971] aoecmd_cfg+0x279/0x7f0 [ 440.122266] = 13924kB [ 440.127001] ? find_held_lock+0x36/0x1c0 [ 440.130083] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 440.133343] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 440.136515] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 440.140122] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.142512] 7036 total pagecache pages [ 440.146570] ? __lock_is_held+0xb5/0x140 [ 440.155381] 0 pages in swap cache [ 440.159706] discover_timer+0x50/0x60 [ 440.168251] Swap cache stats: add 0, delete 0, find 0/0 [ 440.173771] call_timer_fn+0x272/0x920 [ 440.177633] Free swap = 0kB [ 440.181679] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 440.185100] Total swap = 0kB [ 440.185107] 1965979 pages RAM [ 440.188891] ? process_timeout+0x40/0x40 [ 440.194239] 0 pages HighMem/MovableOnly [ 440.198128] ? __run_timers+0x7da/0xc70 [ 440.201110] 342867 pages reserved [ 440.201117] 0 pages cma reserved [ 440.205947] ? _raw_spin_unlock_irq+0x27/0x80 [ 440.209037] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 440.212043] ? _raw_spin_unlock_irq+0x27/0x80 [ 440.216151] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 440.220040] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 440.223986] syz-fuzzer cpuset= [ 440.227421] ? lockdep_hardirqs_on+0x296/0x5b0 [ 440.230860] / [ 440.235344] ? trace_hardirqs_on+0xbd/0x310 [ 440.241804] mems_allowed=0 [ 440.246281] ? kasan_check_read+0x11/0x20 [ 440.282101] ? __run_timers+0x7da/0xc70 [ 440.286083] ? trace_hardirqs_off_caller+0x310/0x310 [ 440.291192] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 440.296027] __run_timers+0x7e5/0xc70 [ 440.299833] ? timer_fixup_init+0x70/0x70 [ 440.303989] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 440.309008] ? zap_class+0x640/0x640 [ 440.312719] ? enqueue_hrtimer+0x1a5/0x560 [ 440.316951] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 440.322147] ? find_held_lock+0x36/0x1c0 [ 440.326205] ? zap_class+0x640/0x640 [ 440.329916] ? pvclock_read_flags+0x160/0x160 [ 440.334406] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.339955] ? check_preemption_disabled+0x48/0x280 [ 440.344978] ? __lock_is_held+0xb5/0x140 [ 440.349034] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.354566] ? check_preemption_disabled+0x48/0x280 [ 440.359592] run_timer_softirq+0x52/0xb0 [ 440.363651] ? rcu_read_lock_sched_held+0x14f/0x180 [ 440.368658] __do_softirq+0x308/0xb7e [ 440.372475] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 440.376999] ? lock_downgrade+0x900/0x900 [ 440.381140] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 440.386239] ? pvclock_read_flags+0x160/0x160 [ 440.390727] ? lapic_next_event+0x5a/0x90 [ 440.394871] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.400413] ? kvm_clock_read+0x18/0x30 [ 440.404380] ? kvm_sched_clock_read+0x9/0x20 [ 440.408784] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.414316] ? check_preemption_disabled+0x48/0x280 [ 440.419363] irq_exit+0x17f/0x1c0 [ 440.422813] smp_apic_timer_interrupt+0x1cb/0x760 [ 440.427648] ? smp_reschedule_interrupt+0x109/0x650 [ 440.432662] ? smp_call_function_single_interrupt+0x650/0x650 [ 440.438539] ? interrupt_entry+0xb5/0xc0 [ 440.442596] ? trace_hardirqs_off_caller+0xbb/0x310 [ 440.447605] ? trace_hardirqs_off_caller+0xbb/0x310 [ 440.452624] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 440.457457] ? trace_hardirqs_on_caller+0x310/0x310 [ 440.462474] ? trace_hardirqs_on_caller+0x310/0x310 [ 440.467581] ? task_prio+0x50/0x50 [ 440.471123] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.476652] ? check_preemption_disabled+0x48/0x280 [ 440.481665] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 440.486517] apic_timer_interrupt+0xf/0x20 [ 440.490741] [ 440.492973] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 440.497896] Code: 7e 0f 85 cf fe ff ff e8 f6 d7 3f ff e9 c5 fe ff ff e8 4d a2 c3 ff 48 83 3d a5 50 91 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 6a b1 [ 440.517288] RSP: 0000:ffff88019c63f740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 440.525003] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 440.532352] RDX: 0000000000000000 RSI: ffff8801929e68c0 RDI: 0000000000000286 [ 440.539615] RBP: ffff88019c63f7a8 R08: ffff8801929e6040 R09: 0000000000000000 [ 440.546880] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 440.554139] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020 [ 440.561445] skb_clone+0x1bb/0x500 [ 440.564989] ? finish_task_switch+0x2f4/0x910 [ 440.569504] ? skb_split+0x11e0/0x11e0 [ 440.573386] ? preempt_notifier_register+0x200/0x200 [ 440.578494] ? __switch_to_asm+0x34/0x70 [ 440.582554] ? __switch_to_asm+0x34/0x70 [ 440.586605] ? __switch_to_asm+0x40/0x70 [ 440.590660] ? __switch_to_asm+0x34/0x70 [ 440.594720] ? __switch_to_asm+0x40/0x70 [ 440.598776] ? __switch_to_asm+0x34/0x70 [ 440.602838] ? __switch_to_asm+0x40/0x70 [ 440.606892] ? __switch_to_asm+0x34/0x70 [ 440.610944] ? __switch_to_asm+0x34/0x70 [ 440.614998] ? __switch_to_asm+0x40/0x70 [ 440.619048] ? __switch_to_asm+0x34/0x70 [ 440.623103] bpf_clone_redirect+0xb9/0x490 [ 440.627336] ? __schedule+0x8d7/0x21d0 [ 440.631222] bpf_prog_bebbfe2050753572+0x325/0x1000 [ 440.636232] ? __sched_text_start+0x8/0x8 [ 440.640383] ? find_held_lock+0x36/0x1c0 [ 440.644443] ? lock_acquire+0x1ed/0x520 [ 440.648419] ? bpf_test_run+0x3cb/0x780 [ 440.652384] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.657925] ? check_preemption_disabled+0x48/0x280 [ 440.662939] ? kasan_check_read+0x11/0x20 [ 440.667080] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 440.672363] ? rcu_softirq_qs+0x20/0x20 [ 440.676333] ? preempt_schedule+0x4d/0x60 [ 440.680496] ? ___preempt_schedule+0x16/0x18 [ 440.685251] ? bpf_test_run+0x25d/0x780 [ 440.689228] ? netlink_diag_dump+0x2a0/0x2a0 [ 440.693642] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 440.699175] ? bpf_test_init.isra.10+0x70/0x100 [ 440.703842] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 440.708594] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 440.713427] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 440.718955] ? fput+0x130/0x1a0 [ 440.722247] ? __bpf_prog_get+0x9b/0x290 [ 440.726303] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 440.731167] ? bpf_prog_test_run+0x130/0x1a0 [ 440.735572] ? __x64_sys_bpf+0x3d8/0x520 [ 440.739628] ? bpf_prog_get+0x20/0x20 [ 440.743438] ? do_syscall_64+0x1b9/0x820 [ 440.747525] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 440.752884] ? syscall_return_slowpath+0x5e0/0x5e0 [ 440.757809] ? trace_hardirqs_on_caller+0x310/0x310 [ 440.762826] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 440.767838] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 440.774500] ? __switch_to_asm+0x40/0x70 [ 440.778557] ? __switch_to_asm+0x34/0x70 [ 440.782617] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 440.787470] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 440.792842] CPU: 1 PID: 5375 Comm: syz-fuzzer Not tainted 4.19.0+ #72 [ 440.792919] aoe: skb alloc failure [ 440.799440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 440.799447] Call Trace: [ 440.803034] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 440.812329] [ 440.814890] syz-executor0 cpuset= [ 440.825357] dump_stack+0x244/0x39d [ 440.827486] syz0 [ 440.830927] ? dump_stack_print_info.cold.1+0x20/0x20 [ 440.834538] mems_allowed=0 [ 440.836510] warn_alloc.cold.117+0xb7/0x1bd [ 440.848875] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 440.853713] ? lock_downgrade+0x900/0x900 [ 440.857944] ? trace_hardirqs_off+0xb8/0x310 [ 440.862354] ? trace_hardirqs_off+0xb8/0x310 [ 440.866761] __alloc_pages_slowpath+0x2660/0x2d70 [ 440.871623] ? warn_alloc+0x120/0x120 [ 440.875423] ? warn_alloc+0x120/0x120 [ 440.879225] ? print_usage_bug+0xc0/0xc0 [ 440.883277] ? warn_alloc+0x120/0x120 [ 440.887072] ? print_usage_bug+0xc0/0xc0 [ 440.891127] ? __lock_acquire+0x62f/0x4c20 [ 440.895352] ? __lock_acquire+0x62f/0x4c20 [ 440.899593] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 440.905122] ? should_fail+0x22d/0xd01 [ 440.909001] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 440.914291] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 440.919398] ? __lock_acquire+0x62f/0x4c20 [ 440.923646] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 440.928740] ? __lock_acquire+0x62f/0x4c20 [ 440.932966] ? should_fail+0x22d/0xd01 [ 440.936843] ? rcu_irq_exit+0x1a2/0x390 [ 440.940822] ? mark_held_locks+0x130/0x130 [ 440.945056] ? mark_held_locks+0x130/0x130 [ 440.949290] ? mark_held_locks+0xc7/0x130 [ 440.953429] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 440.958446] ? zap_class+0x640/0x640 [ 440.962150] ? print_usage_bug+0xc0/0xc0 [ 440.966210] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.971740] ? check_preemption_disabled+0x48/0x280 [ 440.976771] ? __lock_is_held+0xb5/0x140 [ 440.980832] __alloc_pages_nodemask+0xa80/0xde0 [ 440.985492] ? zap_class+0x640/0x640 [ 440.989202] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 440.994218] ? find_held_lock+0x36/0x1c0 [ 440.998276] ? ____cache_alloc_node+0x1c7/0x1e0 [ 441.002937] ? lock_downgrade+0x900/0x900 [ 441.007090] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.012621] cache_grow_begin+0xa5/0x8c0 [ 441.016673] ? do_raw_spin_unlock+0xa7/0x330 [ 441.021084] fallback_alloc+0x204/0x2e0 [ 441.025073] ____cache_alloc_node+0x1c7/0x1e0 [ 441.029574] kmem_cache_alloc_node+0xe3/0x730 [ 441.034065] ? ipv6_get_ifaddr+0x42e/0x620 [ 441.038302] __alloc_skb+0x119/0x770 [ 441.042011] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 441.047283] ? netdev_alloc_frag+0x1f0/0x1f0 [ 441.051686] ? lock_downgrade+0x900/0x900 [ 441.055835] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.061366] ? refcount_sub_and_test_checked+0x203/0x310 [ 441.066815] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 441.072257] ? addrconf_rs_timer+0x690/0x690 [ 441.076668] ndisc_alloc_skb+0x144/0x340 [ 441.080723] ndisc_send_rs+0x331/0x6e0 [ 441.084608] addrconf_rs_timer+0x314/0x690 [ 441.088837] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 441.093071] call_timer_fn+0x272/0x920 [ 441.096960] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 441.101198] ? process_timeout+0x40/0x40 [ 441.105266] ? mark_held_locks+0xc7/0x130 [ 441.109419] ? _raw_spin_unlock_irq+0x27/0x80 [ 441.113914] ? _raw_spin_unlock_irq+0x27/0x80 [ 441.118403] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 441.122637] ? lockdep_hardirqs_on+0x296/0x5b0 [ 441.127217] ? trace_hardirqs_on+0xbd/0x310 [ 441.131542] ? kasan_check_read+0x11/0x20 [ 441.135682] ? __run_timers+0x7da/0xc70 [ 441.139650] ? trace_hardirqs_off_caller+0x310/0x310 [ 441.144749] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 441.148981] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 441.153206] __run_timers+0x7e5/0xc70 [ 441.157000] ? rcu_irq_exit+0x1a2/0x390 [ 441.160982] ? timer_fixup_init+0x70/0x70 [ 441.165124] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.170654] ? check_preemption_disabled+0x48/0x280 [ 441.175667] ? mark_held_locks+0xc7/0x130 [ 441.179804] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 441.184813] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 441.189564] ? retint_kernel+0x2d/0x2d [ 441.193444] ? trace_hardirqs_on_caller+0xc0/0x310 [ 441.198372] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 441.203165] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 441.208608] ? zap_class+0x640/0x640 [ 441.212320] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.217868] ? check_preemption_disabled+0x48/0x280 [ 441.222888] ? __lock_is_held+0xb5/0x140 [ 441.226946] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.232476] ? check_preemption_disabled+0x48/0x280 [ 441.237489] run_timer_softirq+0x52/0xb0 [ 441.241542] ? rcu_read_lock_sched_held+0x14f/0x180 [ 441.246550] __do_softirq+0x308/0xb7e [ 441.250348] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 441.254832] ? lock_downgrade+0x900/0x900 [ 441.258987] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 441.264110] ? pvclock_read_flags+0x160/0x160 [ 441.268598] ? lapic_next_event+0x5a/0x90 [ 441.272743] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.278278] ? kvm_clock_read+0x18/0x30 [ 441.282264] ? kvm_sched_clock_read+0x9/0x20 [ 441.286671] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.292216] ? check_preemption_disabled+0x48/0x280 [ 441.297242] irq_exit+0x17f/0x1c0 [ 441.300689] smp_apic_timer_interrupt+0x1cb/0x760 [ 441.305525] ? smp_reschedule_interrupt+0x109/0x650 [ 441.310534] ? smp_call_function_single_interrupt+0x650/0x650 [ 441.316419] ? interrupt_entry+0xb5/0xc0 [ 441.320473] ? trace_hardirqs_off_caller+0xbb/0x310 [ 441.325504] ? trace_hardirqs_off_caller+0xbb/0x310 [ 441.330519] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 441.335359] ? trace_hardirqs_on_caller+0x310/0x310 [ 441.340367] ? trace_hardirqs_on_caller+0x310/0x310 [ 441.345375] ? task_prio+0x50/0x50 [ 441.348912] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 441.354447] ? check_preemption_disabled+0x48/0x280 [ 441.359458] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 441.364313] apic_timer_interrupt+0xf/0x20 [ 441.368532] [ 441.370762] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 441.375948] Code: 00 e8 95 31 8e f9 e8 90 e2 bd f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d ea 90 8b 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d c0 90 [ 441.394840] RSP: 0000:ffff8801c4c0e140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 441.402556] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003afce19e [ 441.409817] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d7e70c7c [ 441.417079] RBP: ffff8801c4c0e168 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 441.424341] R10: 0000000000000000 R11: ffff8801d7e70400 R12: dffffc0000000000 [ 441.431605] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478 [ 441.438902] retint_kernel+0x1b/0x2d [ 441.442611] RIP: 0010:dump_stack+0x358/0x39d [ 441.447033] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 91 c1 00 fa 48 83 3d 99 b9 91 01 00 0f 84 63 fe ff ff e8 ee e6 bd f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db e6 bd f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 441.465928] RSP: 0000:ffff8801c4c0e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 441.473634] RAX: ffff8801d7e70400 RBX: 1ffffffff12a3e8e RCX: 1ffff1003afce19e [ 441.480898] RDX: 0000000000000000 RSI: ffffffff87c03ae2 RDI: 0000000000000293 [ 441.488165] RBP: ffff8801c4c0e2c8 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 441.495430] R10: 0000000000000000 R11: ffff8801d7e70400 R12: 1ffff10038981c4c [ 441.502694] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 441.510219] ? dump_stack+0x34f/0x39d [ 441.514025] ? dump_stack_print_info.cold.1+0x20/0x20 [ 441.519223] dump_header+0x27b/0xf72 [ 441.522942] ? mark_held_locks+0x130/0x130 [ 441.527172] ? pagefault_out_of_memory+0x197/0x197 [ 441.532099] ? __lock_acquire+0x62f/0x4c20 [ 441.536323] ? zap_class+0x640/0x640 [ 441.540033] ? percpu_ref_get_many+0x240/0x240 [ 441.544613] ? print_usage_bug+0xc0/0xc0 [ 441.548665] ? print_usage_bug+0xc0/0xc0 [ 441.552724] ? zap_class+0x640/0x640 [ 441.556432] ? print_usage_bug+0xc0/0xc0 [ 441.560483] ? print_usage_bug+0xc0/0xc0 [ 441.564544] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.570078] ? find_held_lock+0x36/0x1c0 [ 441.574142] ? mark_held_locks+0xc7/0x130 [ 441.578288] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 441.583382] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 441.588489] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 441.593070] ? trace_hardirqs_on+0xbd/0x310 [ 441.597386] ? kasan_check_read+0x11/0x20 [ 441.601551] ? ___ratelimit+0x3b4/0x672 [ 441.605522] ? trace_hardirqs_off_caller+0x310/0x310 [ 441.610619] ? trace_hardirqs_on+0x310/0x310 [ 441.615019] ? lock_downgrade+0x900/0x900 [ 441.619176] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 441.624268] ? ___ratelimit+0x3b9/0x672 [ 441.628233] ? idr_get_free+0xec0/0xec0 [ 441.632202] ? find_held_lock+0x36/0x1c0 [ 441.636265] oom_kill_process.cold.27+0x10/0x903 [ 441.641024] ? zap_class+0x640/0x640 [ 441.644747] ? check_preemption_disabled+0x48/0x280 [ 441.649762] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 441.654681] ? kasan_check_read+0x11/0x20 [ 441.658825] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 441.664109] ? oom_evaluate_task+0x540/0x540 [ 441.668511] ? find_held_lock+0x36/0x1c0 [ 441.672572] ? out_of_memory+0x974/0x1430 [ 441.677252] ? lock_downgrade+0x900/0x900 [ 441.681401] ? check_preemption_disabled+0x48/0x280 [ 441.686420] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 441.691341] ? kasan_check_read+0x11/0x20 [ 441.695528] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 441.700800] ? rcu_softirq_qs+0x20/0x20 [ 441.704771] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 441.710301] ? oom_evaluate_task+0x302/0x540 [ 441.714708] out_of_memory+0xa84/0x1430 [ 441.718690] ? oom_killer_disable+0x3a0/0x3a0 [ 441.723205] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 441.728130] ? __mutex_add_waiter+0x2a0/0x2a0 [ 441.732639] __alloc_pages_slowpath+0x22d4/0x2d70 [ 441.737499] ? warn_alloc+0x120/0x120 [ 441.741292] ? rcu_softirq_qs+0x20/0x20 [ 441.745276] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 441.750821] ? should_fail+0x22d/0xd01 [ 441.754699] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 441.759794] ? zap_class+0x640/0x640 [ 441.763521] ? __lock_is_held+0xb5/0x140 [ 441.767582] ? mark_held_locks+0x130/0x130 [ 441.771815] ? lock_release+0xa00/0xa00 [ 441.775800] ? perf_trace_sched_process_exec+0x860/0x860 [ 441.781249] ? __might_sleep+0x95/0x190 [ 441.785222] __alloc_pages_nodemask+0xa80/0xde0 [ 441.789892] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 441.794913] ? __page_cache_alloc+0x191/0x5c0 [ 441.799405] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 441.804325] ? kasan_check_read+0x11/0x20 [ 441.808468] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 441.813743] ? zap_class+0x640/0x640 [ 441.817456] ? zap_class+0x640/0x640 [ 441.821162] ? zap_class+0x640/0x640 [ 441.824868] ? __do_page_cache_readahead+0x7ce/0x980 [ 441.829986] ? find_held_lock+0x36/0x1c0 [ 441.834043] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 441.839580] alloc_pages_current+0x173/0x350 [ 441.844013] __page_cache_alloc+0x38c/0x5c0 [ 441.848344] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 441.853272] ? kasan_check_read+0x11/0x20 [ 441.857429] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 441.862698] ? generic_perform_write+0x6a0/0x6a0 [ 441.867449] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 441.872977] ? check_preemption_disabled+0x48/0x280 [ 441.877991] filemap_fault+0x1594/0x25f0 [ 441.882055] ? __lock_page_or_retry+0xa00/0xa00 [ 441.886716] ? mark_held_locks+0x130/0x130 [ 441.891029] ? rcu_softirq_qs+0x20/0x20 [ 441.895007] ? filemap_map_pages+0xe04/0x1990 [ 441.899501] ? __free_object+0x173/0x340 [ 441.903557] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 441.908480] ? trace_hardirqs_off_caller+0x310/0x310 [ 441.913571] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 441.918245] ? debug_object_free+0x32d/0x690 [ 441.922643] ? kasan_check_read+0x11/0x20 [ 441.926796] ? debug_object_destroy+0x2b0/0x2b0 [ 441.931464] ? lock_pi_update_atomic+0x150/0x150 [ 441.936212] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.941746] ? __hrtimer_init+0xdb/0x240 [ 441.945811] ? lock_acquire+0x1ed/0x520 [ 441.949777] ? ext4_filemap_fault+0x7a/0xad [ 441.954096] ? lock_release+0xa00/0xa00 [ 441.958065] ? perf_trace_sched_process_exec+0x860/0x860 [ 441.963505] ? print_usage_bug+0xc0/0xc0 [ 441.967555] ? print_usage_bug+0xc0/0xc0 [ 441.971615] ? down_read+0x8d/0x120 [ 441.975239] ? ext4_filemap_fault+0x7a/0xad [ 441.979555] ? __down_interruptible+0x700/0x700 [ 441.984247] ext4_filemap_fault+0x82/0xad [ 441.988420] __do_fault+0x100/0x6b0 [ 441.992049] ? pmd_devmap_trans_unstable+0x220/0x220 [ 441.997154] ? mark_held_locks+0x130/0x130 [ 442.001390] ? mark_held_locks+0x130/0x130 [ 442.005617] ? debug_smp_processor_id+0x1c/0x20 [ 442.010279] ? perf_trace_lock+0x14d/0x7a0 [ 442.014517] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 442.020051] __handle_mm_fault+0x307c/0x5920 [ 442.024461] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 442.029310] ? lock_is_held_type+0x210/0x210 [ 442.033728] ? zap_class+0x640/0x640 [ 442.037445] ? zap_class+0x640/0x640 [ 442.041149] ? __x64_sys_futex+0x53e/0x6a0 [ 442.045384] ? find_held_lock+0x36/0x1c0 [ 442.049461] ? handle_mm_fault+0x42a/0xc70 [ 442.053688] ? lock_downgrade+0x900/0x900 [ 442.057833] ? check_preemption_disabled+0x48/0x280 [ 442.062863] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 442.067781] ? kasan_check_read+0x11/0x20 [ 442.071924] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 442.077193] ? rcu_softirq_qs+0x20/0x20 [ 442.081160] ? trace_hardirqs_off_caller+0x310/0x310 [ 442.086260] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 442.091803] ? check_preemption_disabled+0x48/0x280 [ 442.096822] handle_mm_fault+0x54f/0xc70 [ 442.100883] ? __handle_mm_fault+0x5920/0x5920 [ 442.105467] ? find_vma+0x34/0x190 [ 442.109006] __do_page_fault+0x5e8/0xe60 [ 442.113062] ? trace_hardirqs_off+0xb8/0x310 [ 442.117462] ? __ia32_sys_read+0xb0/0xb0 [ 442.121527] do_page_fault+0xf2/0x7e0 [ 442.125322] ? vmalloc_sync_all+0x30/0x30 [ 442.129468] ? error_entry+0x70/0xd0 [ 442.133176] ? trace_hardirqs_off_caller+0xbb/0x310 [ 442.138185] ? trace_hardirqs_on_caller+0xc0/0x310 [ 442.143109] ? syscall_return_slowpath+0x5e0/0x5e0 [ 442.148032] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 442.152873] ? trace_hardirqs_on_caller+0x310/0x310 [ 442.157882] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 442.163368] ? prepare_exit_to_usermode+0x291/0x3b0 [ 442.168379] ? page_fault+0x8/0x30 [ 442.171918] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 442.176774] ? page_fault+0x8/0x30 [ 442.180320] page_fault+0x1e/0x30 [ 442.183770] RIP: 0033:0x45ddf3 [ 442.186969] Code: Bad RIP value. [ 442.190323] RSP: 002b:000000c4200206a0 EFLAGS: 00010206 [ 442.195689] RAX: ffffffffffffff92 RBX: 000000003b974269 RCX: 000000000045ddf3 [ 442.202947] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e1060 [ 442.210217] RBP: 000000c4200206e8 R08: 0000000000000000 R09: 0000000000000000 [ 442.217475] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001 [ 442.224737] R13: 0000000000000007 R14: 0000000000b7f720 R15: 000000000000bdf9 [ 442.232040] CPU: 0 PID: 17787 Comm: syz-executor0 Not tainted 4.19.0+ #72 [ 442.232045] warn_alloc_show_mem: 1 callbacks suppressed [ 442.232050] Mem-Info: [ 442.238971] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 442.244341] active_anon:46452 inactive_anon:2315 isolated_anon:0 [ 442.244341] active_file:13 inactive_file:13 isolated_file:0 [ 442.244341] unevictable:0 dirty:0 writeback:0 unstable:0 [ 442.244341] slab_reclaimable:9341 slab_unreclaimable:1470635 [ 442.244341] mapped:24578 shmem:7010 pagetables:528 bounce:0 [ 442.244341] free:13753 free_pcp:603 free_cma:0 [ 442.246708] Call Trace: [ 442.256075] Node 0 active_anon:185808kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:28040kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 442.289084] [ 442.291645] Node 0 [ 442.319211] dump_stack+0x244/0x39d [ 442.321362] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 442.321385] lowmem_reserve[]: [ 442.323609] ? dump_stack_print_info.cold.1+0x20/0x20 [ 442.327205] 0 [ 442.352700] warn_alloc.cold.117+0xb7/0x1bd [ 442.355763] 2818 6321 [ 442.360941] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 442.362711] 6321 [ 442.367024] ? lock_downgrade+0x900/0x900 [ 442.369500] Node 0 [ 442.374343] ? trace_hardirqs_off+0xb8/0x310 [ 442.376394] DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 442.380509] ? trace_hardirqs_off+0xb8/0x310 [ 442.382709] lowmem_reserve[]: 0 [ 442.387130] __alloc_pages_slowpath+0x2660/0x2d70 [ 442.414065] 0 3503 [ 442.418489] ? warn_alloc+0x120/0x120 [ 442.421714] 3503 [ 442.426551] ? pvclock_read_flags+0x160/0x160 [ 442.428759] Node 0 [ 442.432544] ? warn_alloc+0x120/0x120 [ 442.434602] Normal free:13924kB min:37364kB low:46704kB high:56044kB active_anon:183760kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5536kB pagetables:2112kB bounce:0kB free_pcp:2164kB local_pcp:1336kB free_cma:0kB [ 442.439062] ? print_usage_bug+0xc0/0xc0 [ 442.441264] lowmem_reserve[]: 0 [ 442.445057] ? warn_alloc+0x120/0x120 [ 442.473563] 0 [ 442.477616] ? print_usage_bug+0xc0/0xc0 [ 442.480858] 0 0 [ 442.484684] ? ktime_get+0x2c1/0x400 [ 442.486461] Node 0 [ 442.490511] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.492463] DMA: 1*4kB [ 442.496167] ? check_preemption_disabled+0x48/0x280 [ 442.498374] (U) [ 442.503915] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 442.506469] 0*8kB 0*16kB [ 442.511474] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 442.513423] 1*32kB [ 442.517904] ? should_fail+0x22d/0xd01 [ 442.520632] (U) [ 442.526153] ? kasan_check_read+0x11/0x20 [ 442.528369] 2*64kB [ 442.532244] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 442.534192] (U) [ 442.538334] ? __lock_acquire+0x62f/0x4c20 [ 442.540535] 1*128kB (U) [ 442.545632] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 442.547575] 1*256kB (U) [ 442.551797] ? should_fail+0x22d/0xd01 [ 442.554436] 0*512kB 1*1024kB [ 442.559615] ? print_usage_bug+0xc0/0xc0 [ 442.562258] (U) [ 442.566136] ? mark_held_locks+0x130/0x130 [ 442.569210] 1*2048kB [ 442.573253] ? mark_held_locks+0x130/0x130 [ 442.575197] (M) [ 442.579428] ? check_preemption_disabled+0x48/0x280 [ 442.581813] 3*4096kB [ 442.586035] ? zap_class+0x640/0x640 [ 442.587977] (M) [ 442.592981] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 442.595363] = 15908kB [ 442.599063] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.601007] Node 0 [ 442.605746] ? check_preemption_disabled+0x48/0x280 [ 442.608123] DMA32: [ 442.613649] ? __lock_is_held+0xb5/0x140 [ 442.615854] 5*4kB [ 442.620854] __alloc_pages_nodemask+0xa80/0xde0 [ 442.623060] (UM) [ 442.627106] ? zap_class+0x640/0x640 [ 442.629239] 1*8kB (H) [ 442.633902] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 442.635929] 2*16kB (M) [ 442.639649] ? find_held_lock+0x36/0x1c0 [ 442.642110] 3*32kB (M) [ 442.647122] ? ____cache_alloc_node+0x1c7/0x1e0 [ 442.649669] 3*64kB (MH) [ 442.653718] ? lock_downgrade+0x900/0x900 [ 442.656275] 4*128kB [ 442.661051] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.663689] (M) [ 442.667826] cache_grow_begin+0xa5/0x8c0 [ 442.670118] 5*256kB (UMH) [ 442.675822] ? do_raw_spin_unlock+0xa7/0x330 [ 442.677764] 5*512kB (UMH) [ 442.681821] fallback_alloc+0x204/0x2e0 [ 442.684633] 4*1024kB (UMH) [ 442.689036] ____cache_alloc_node+0x1c7/0x1e0 [ 442.691845] 2*2048kB (UM) [ 442.695812] kmem_cache_alloc_node+0xe3/0x730 [ 442.698719] 3*4096kB [ 442.703199] ? lockdep_hardirqs_on+0x296/0x5b0 [ 442.706012] (M) [ 442.710494] __alloc_skb+0x119/0x770 [ 442.712866] = 25180kB [ 442.712873] Node 0 [ 442.717441] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 442.719395] Normal: 1917*4kB [ 442.723108] ? netdev_alloc_frag+0x1f0/0x1f0 [ 442.725488] (UME) [ 442.727711] ? vprintk_default+0x28/0x30 [ 442.733036] 392*8kB (UME) [ 442.736133] ? vprintk_func+0x85/0x181 [ 442.740507] 105*16kB (UME) [ 442.742647] ? printk+0xa7/0xcf [ 442.746690] 43*32kB (UM) [ 442.749538] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 442.753393] 1*64kB (U) [ 442.756341] new_skb+0x26/0x1c0 [ 442.759582] 0*128kB 0*256kB [ 442.762333] aoecmd_cfg+0x279/0x7f0 [ 442.767148] 0*512kB [ 442.769715] ? find_held_lock+0x36/0x1c0 [ 442.772981] 0*1024kB 0*2048kB [ 442.776005] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 442.779598] 0*4096kB = 13924kB [ 442.781930] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.785964] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 442.789143] ? __lock_is_held+0xb5/0x140 [ 442.793461] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 442.796642] discover_timer+0x50/0x60 [ 442.802146] 7036 total pagecache pages [ 442.810978] call_timer_fn+0x272/0x920 [ 442.815018] 0 pages in swap cache [ 442.823570] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 442.827343] Swap cache stats: add 0, delete 0, find 0/0 [ 442.831213] ? process_timeout+0x40/0x40 [ 442.835067] Free swap = 0kB [ 442.838509] ? __run_timers+0x7da/0xc70 [ 442.843316] Total swap = 0kB [ 442.848661] ? _raw_spin_unlock_irq+0x27/0x80 [ 442.852689] 1965979 pages RAM [ 442.855699] ? _raw_spin_unlock_irq+0x27/0x80 [ 442.859643] 0 pages HighMem/MovableOnly [ 442.862645] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 442.867102] 342867 pages reserved [ 442.867109] 0 pages cma reserved [ 442.870198] ? lockdep_hardirqs_on+0x296/0x5b0 [ 442.874737] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 442.878624] ? trace_hardirqs_on+0xbd/0x310 [ 442.883512] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 442.886877] ? kasan_check_read+0x11/0x20 [ 442.890209] syz-fuzzer cpuset= [ 442.894775] ? __run_timers+0x7da/0xc70 [ 442.901232] / [ 442.905538] ? trace_hardirqs_off_caller+0x310/0x310 [ 442.915747] mems_allowed=0 [ 442.919888] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 442.941514] __run_timers+0x7e5/0xc70 [ 442.945332] ? timer_fixup_init+0x70/0x70 [ 442.949471] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 442.954478] ? zap_class+0x640/0x640 [ 442.958185] ? enqueue_hrtimer+0x1a5/0x560 [ 442.962414] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 442.967615] ? find_held_lock+0x36/0x1c0 [ 442.971681] ? zap_class+0x640/0x640 [ 442.975889] ? pvclock_read_flags+0x160/0x160 [ 442.980382] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.985922] ? check_preemption_disabled+0x48/0x280 [ 442.990938] ? __lock_is_held+0xb5/0x140 [ 442.995004] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.000537] ? check_preemption_disabled+0x48/0x280 [ 443.005575] run_timer_softirq+0x52/0xb0 [ 443.009628] ? rcu_read_lock_sched_held+0x14f/0x180 [ 443.014637] __do_softirq+0x308/0xb7e [ 443.018437] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 443.022920] ? lock_downgrade+0x900/0x900 [ 443.027063] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 443.032162] ? pvclock_read_flags+0x160/0x160 [ 443.036653] ? lapic_next_event+0x5a/0x90 [ 443.040794] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.046331] ? kvm_clock_read+0x18/0x30 [ 443.050303] ? kvm_sched_clock_read+0x9/0x20 [ 443.054703] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.060229] ? check_preemption_disabled+0x48/0x280 [ 443.065242] irq_exit+0x17f/0x1c0 [ 443.068693] smp_apic_timer_interrupt+0x1cb/0x760 [ 443.073524] ? smp_reschedule_interrupt+0x109/0x650 [ 443.078530] ? smp_call_function_single_interrupt+0x650/0x650 [ 443.084407] ? interrupt_entry+0xb5/0xc0 [ 443.088466] ? trace_hardirqs_off_caller+0xbb/0x310 [ 443.093473] ? trace_hardirqs_off_caller+0xbb/0x310 [ 443.098483] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 443.103320] ? trace_hardirqs_on_caller+0x310/0x310 [ 443.108332] ? trace_hardirqs_on_caller+0x310/0x310 [ 443.113340] ? task_prio+0x50/0x50 [ 443.116875] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.122407] ? check_preemption_disabled+0x48/0x280 [ 443.127421] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 443.132261] apic_timer_interrupt+0xf/0x20 [ 443.136495] [ 443.138729] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 443.143654] Code: 7e 0f 85 cf fe ff ff e8 f6 d7 3f ff e9 c5 fe ff ff e8 4d a2 c3 ff 48 83 3d a5 50 91 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 6a b1 [ 443.162544] RSP: 0000:ffff88019c63f740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 443.170245] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 443.177539] RDX: 0000000000000000 RSI: ffff8801929e68c0 RDI: 0000000000000286 [ 443.184802] RBP: ffff88019c63f7a8 R08: ffff8801929e6040 R09: 0000000000000000 [ 443.192060] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 443.199321] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020 [ 443.206613] skb_clone+0x1bb/0x500 [ 443.210162] ? finish_task_switch+0x2f4/0x910 [ 443.214651] ? skb_split+0x11e0/0x11e0 [ 443.218534] ? preempt_notifier_register+0x200/0x200 [ 443.223649] ? __switch_to_asm+0x34/0x70 [ 443.227704] ? __switch_to_asm+0x34/0x70 [ 443.231757] ? __switch_to_asm+0x40/0x70 [ 443.235811] ? __switch_to_asm+0x34/0x70 [ 443.239868] ? __switch_to_asm+0x40/0x70 [ 443.243930] ? __switch_to_asm+0x34/0x70 [ 443.247991] ? __switch_to_asm+0x40/0x70 [ 443.252043] ? __switch_to_asm+0x34/0x70 [ 443.256097] ? __switch_to_asm+0x34/0x70 [ 443.260149] ? __switch_to_asm+0x40/0x70 [ 443.264204] ? __switch_to_asm+0x34/0x70 [ 443.268289] bpf_clone_redirect+0xb9/0x490 [ 443.272528] ? __schedule+0x8d7/0x21d0 [ 443.276413] bpf_prog_bebbfe2050753572+0x325/0x1000 [ 443.281425] ? __sched_text_start+0x8/0x8 [ 443.285576] ? find_held_lock+0x36/0x1c0 [ 443.289756] ? lock_acquire+0x1ed/0x520 [ 443.293726] ? bpf_test_run+0x3cb/0x780 [ 443.297697] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.303240] ? check_preemption_disabled+0x48/0x280 [ 443.308278] ? kasan_check_read+0x11/0x20 [ 443.312441] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 443.317710] ? rcu_softirq_qs+0x20/0x20 [ 443.321678] ? preempt_schedule+0x4d/0x60 [ 443.325821] ? ___preempt_schedule+0x16/0x18 [ 443.330230] ? bpf_test_run+0x25d/0x780 [ 443.334214] ? netlink_diag_dump+0x2a0/0x2a0 [ 443.338619] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 443.344167] ? bpf_test_init.isra.10+0x70/0x100 [ 443.348834] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 443.353603] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 443.358438] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 443.363969] ? fput+0x130/0x1a0 [ 443.367243] ? __bpf_prog_get+0x9b/0x290 [ 443.371315] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 443.376146] ? bpf_prog_test_run+0x130/0x1a0 [ 443.380553] ? __x64_sys_bpf+0x3d8/0x520 [ 443.384614] ? bpf_prog_get+0x20/0x20 [ 443.388422] ? do_syscall_64+0x1b9/0x820 [ 443.392479] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 443.397835] ? syscall_return_slowpath+0x5e0/0x5e0 [ 443.402775] ? trace_hardirqs_on_caller+0x310/0x310 [ 443.407789] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 443.412800] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 443.419479] ? __switch_to_asm+0x40/0x70 [ 443.423533] ? __switch_to_asm+0x34/0x70 [ 443.427595] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 443.432437] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 443.437805] CPU: 1 PID: 5375 Comm: syz-fuzzer Not tainted 4.19.0+ #72 [ 443.437835] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 443.444376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 443.444382] Call Trace: [ 443.450592] rcu: [ 443.459926] [ 443.462490] (detected by 0, t=10675 jiffies, g=38893, q=42) [ 443.464622] dump_stack+0x244/0x39d [ 443.466748] rcu: All QSes seen, last rcu_preempt kthread activity 8580 (4294981495-4294972915), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 443.472439] ? dump_stack_print_info.cold.1+0x20/0x20 [ 443.476039] syz-executor0 R [ 443.488602] warn_alloc.cold.117+0xb7/0x1bd [ 443.493746] running task 20648 17787 5378 0x8010000c [ 443.496848] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 443.501137] Call Trace: [ 443.507279] ? lock_downgrade+0x900/0x900 [ 443.512105] [ 443.514676] ? trace_hardirqs_off+0xb8/0x310 [ 443.518799] sched_show_task.cold.81+0x2b6/0x30a [ 443.520929] ? trace_hardirqs_off+0xb8/0x310 [ 443.525313] ? can_nice.part.74+0x20/0x20 [ 443.530056] __alloc_pages_slowpath+0x2660/0x2d70 [ 443.534441] ? vprintk_default+0x28/0x30 [ 443.538586] ? warn_alloc+0x120/0x120 [ 443.543383] ? vprintk_func+0x85/0x181 [ 443.547445] ? warn_alloc+0x120/0x120 [ 443.551218] ? vprintk_func+0x85/0x181 [ 443.555088] ? print_usage_bug+0xc0/0xc0 [ 443.558867] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 443.562735] ? warn_alloc+0x120/0x120 [ 443.566773] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 443.571509] ? print_usage_bug+0xc0/0xc0 [ 443.575293] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.580026] ? __lock_acquire+0x62f/0x4c20 [ 443.584071] print_other_cpu_stall.cold.66+0x7dd/0x8bb [ 443.589585] ? __lock_acquire+0x62f/0x4c20 [ 443.593812] ? print_usage_bug+0xc0/0xc0 [ 443.599066] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 443.603286] ? rcu_qs+0x110/0x110 [ 443.607324] ? should_fail+0x22d/0xd01 [ 443.612844] ? find_held_lock+0x36/0x1c0 [ 443.616277] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 443.620146] ? zap_class+0x640/0x640 [ 443.624183] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 443.629439] ? print_usage_bug+0xc0/0xc0 [ 443.633130] ? __lock_acquire+0x62f/0x4c20 [ 443.638209] ? check_preemption_disabled+0x48/0x280 [ 443.642271] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 443.646485] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.651480] ? __lock_acquire+0x62f/0x4c20 [ 443.656562] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.662072] ? should_fail+0x22d/0xd01 [ 443.666293] ? do_trace_rcu_torture_read+0x10/0x10 [ 443.671805] ? rcu_irq_exit+0x1a2/0x390 [ 443.675981] ? rcu_preempt_need_deferred_qs+0x74/0x1f0 [ 443.680897] ? mark_held_locks+0x130/0x130 [ 443.684845] ? __lock_is_held+0xb5/0x140 [ 443.690102] ? mark_held_locks+0x130/0x130 [ 443.694315] ? __rcu_read_lock+0x50/0x50 [ 443.698356] ? mark_held_locks+0xc7/0x130 [ 443.702573] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.706607] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 443.710753] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.716269] ? zap_class+0x640/0x640 [ 443.721266] ? check_preemption_disabled+0x48/0x280 [ 443.726775] ? print_usage_bug+0xc0/0xc0 [ 443.730470] rcu_check_callbacks+0xfd7/0x13f0 [ 443.735466] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.739506] ? rcutree_dead_cpu+0x10/0x10 [ 443.743977] ? check_preemption_disabled+0x48/0x280 [ 443.749519] ? lock_downgrade+0x900/0x900 [ 443.753649] ? __lock_is_held+0xb5/0x140 [ 443.758638] ? lock_release+0x960/0xa00 [ 443.762768] __alloc_pages_nodemask+0xa80/0xde0 [ 443.766810] ? zap_class+0x640/0x640 [ 443.770755] ? zap_class+0x640/0x640 [ 443.775400] ? mark_held_locks+0x130/0x130 [ 443.779094] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 443.782785] ? zap_class+0x640/0x640 [ 443.787005] ? find_held_lock+0x36/0x1c0 [ 443.791995] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.795690] ? ____cache_alloc_node+0x1c7/0x1e0 [ 443.799731] ? pvclock_gtod_notify+0x2e3/0x3e0 [ 443.799747] ? kvm_set_tsc_khz+0x540/0x540 [ 443.805263] ? lock_downgrade+0x900/0x900 [ 443.809911] ? find_held_lock+0x36/0x1c0 [ 443.814471] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.818685] ? zap_class+0x640/0x640 [ 443.822814] cache_grow_begin+0xa5/0x8c0 [ 443.826868] ? timekeeping_advance+0x3cc/0xc00 [ 443.832392] ? do_raw_spin_unlock+0xa7/0x330 [ 443.836084] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.840129] fallback_alloc+0x204/0x2e0 [ 443.844687] ? check_preemption_disabled+0x48/0x280 [ 443.849076] ____cache_alloc_node+0x1c7/0x1e0 [ 443.854592] ? trace_hardirqs_off+0xb8/0x310 [ 443.858540] kmem_cache_alloc_node+0xe3/0x730 [ 443.863534] ? __lock_is_held+0xb5/0x140 [ 443.868007] ? ipv6_get_ifaddr+0x42e/0x620 [ 443.872388] ? trace_hardirqs_on+0x310/0x310 [ 443.876865] __alloc_skb+0x119/0x770 [ 443.880897] ? check_preemption_disabled+0x48/0x280 [ 443.885115] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 443.889500] ? raise_softirq+0x199/0x420 [ 443.893192] ? netdev_alloc_frag+0x1f0/0x1f0 [ 443.898189] ? raise_softirq_irqoff+0x2e0/0x2e0 [ 443.903448] ? lock_downgrade+0x900/0x900 [ 443.907495] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.911893] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.916534] ? check_preemption_disabled+0x48/0x280 [ 443.920658] ? refcount_sub_and_test_checked+0x203/0x310 [ 443.926174] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 443.931689] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 443.936680] ? hrtimer_run_queues+0x9a/0x400 [ 443.942124] ? addrconf_rs_timer+0x690/0x690 [ 443.947643] ? run_local_timers+0x19b/0x230 [ 443.953087] ndisc_alloc_skb+0x144/0x340 [ 443.957462] ? timer_clear_idle+0x90/0x90 [ 443.961862] ndisc_send_rs+0x331/0x6e0 [ 443.966158] ? debug_smp_processor_id+0x1c/0x20 [ 443.970205] addrconf_rs_timer+0x314/0x690 [ 443.974519] ? irqtime_account_process_tick.isra.6+0x114/0x490 [ 443.978382] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 443.983037] ? account_process_tick+0x282/0x350 [ 443.987257] call_timer_fn+0x272/0x920 [ 443.993211] update_process_times+0x2d/0x70 [ 443.997426] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 444.002072] tick_sched_handle+0x9f/0x180 [ 444.005940] ? process_timeout+0x40/0x40 [ 444.010239] tick_sched_timer+0x45/0x130 [ 444.014455] ? mark_held_locks+0xc7/0x130 [ 444.018577] __hrtimer_run_queues+0x41c/0x10d0 [ 444.022623] ? _raw_spin_unlock_irq+0x27/0x80 [ 444.026670] ? tick_sched_do_timer+0x1a0/0x1a0 [ 444.030794] ? _raw_spin_unlock_irq+0x27/0x80 [ 444.035351] ? hrtimer_start_range_ns+0xe00/0xe00 [ 444.039828] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 444.044391] ? pvclock_read_flags+0x160/0x160 [ 444.048855] ? lockdep_hardirqs_on+0x296/0x5b0 [ 444.053669] ? trace_hardirqs_on+0x310/0x310 [ 444.057877] ? trace_hardirqs_on+0xbd/0x310 [ 444.062437] ? zap_class+0x640/0x640 [ 444.067005] ? kasan_check_read+0x11/0x20 [ 444.071408] ? kvm_clock_read+0x18/0x30 [ 444.075711] ? __run_timers+0x7da/0xc70 [ 444.079396] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 444.083524] ? trace_hardirqs_off_caller+0x310/0x310 [ 444.087476] ? ktime_get_update_offsets_now+0x3b3/0x540 [ 444.091430] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 444.096457] ? do_timer+0x50/0x50 [ 444.101550] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 444.106894] ? rwlock_bug.part.2+0x90/0x90 [ 444.111106] __run_timers+0x7e5/0xc70 [ 444.114537] ? trace_hardirqs_on+0x310/0x310 [ 444.118751] ? rcu_irq_exit+0x1a2/0x390 [ 444.122976] ? rcu_softirq_qs+0x20/0x20 [ 444.126765] ? timer_fixup_init+0x70/0x70 [ 444.131160] hrtimer_interrupt+0x313/0x780 [ 444.135104] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.139070] smp_apic_timer_interrupt+0x1a1/0x760 [ 444.143191] ? check_preemption_disabled+0x48/0x280 [ 444.147414] ? smp_call_function_single_interrupt+0x650/0x650 [ 444.152933] ? mark_held_locks+0xc7/0x130 [ 444.157748] ? interrupt_entry+0xb5/0xc0 [ 444.162743] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 444.168606] ? trace_hardirqs_off_caller+0xbb/0x310 [ 444.172732] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 444.176772] ? ____cache_alloc_node+0x1c7/0x1e0 [ 444.181765] ? retint_kernel+0x2d/0x2d [ 444.186758] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 444.191493] ? trace_hardirqs_on_caller+0xc0/0x310 [ 444.196142] ? trace_hardirqs_on_caller+0x310/0x310 [ 444.200009] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 444.204835] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 444.209738] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 444.214735] apic_timer_interrupt+0xf/0x20 [ 444.219465] ? zap_class+0x640/0x640 [ 444.224303] RIP: 0010:kmem_cache_alloc_node+0x247/0x730 [ 444.229734] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.233947] Code: 41 7e 0f 85 32 ff ff ff e8 95 f7 3f ff e9 28 ff ff ff e8 ec c1 c3 ff 48 83 3d 44 70 91 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 bf fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 6a b1 [ 444.237636] ? check_preemption_disabled+0x48/0x280 [ 444.242974] RSP: 0000:ffff8801dae073d8 EFLAGS: 00000286 [ 444.248496] ? __lock_is_held+0xb5/0x140 [ 444.267384] ORIG_RAX: ffffffffffffff13 [ 444.272401] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.277736] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff1003253cd21 [ 444.281777] ? check_preemption_disabled+0x48/0x280 [ 444.285721] RDX: 0000000000000000 RSI: ffff8801929e6910 RDI: 0000000000000286 [ 444.291238] run_timer_softirq+0x52/0xb0 [ 444.298482] RBP: ffff8801dae07448 R08: ffff8801929e6908 R09: 0000000000000002 [ 444.303480] ? rcu_read_lock_sched_held+0x14f/0x180 [ 444.310732] R10: 0000000000000000 R11: ffff8801929e6040 R12: ffff8801d9a05040 [ 444.314857] __do_softirq+0x308/0xb7e [ 444.322095] R13: ffff8801d9a05040 R14: 0000000000000000 R15: 0000000000000286 [ 444.322121] ? apic_timer_interrupt+0xa/0x20 [ 444.327114] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 444.334394] ? lockdep_hardirqs_on+0x296/0x5b0 [ 444.338156] ? lock_downgrade+0x900/0x900 [ 444.345420] __alloc_skb+0x119/0x770 [ 444.349802] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 444.354274] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 444.358836] ? pvclock_read_flags+0x160/0x160 [ 444.362961] ? netdev_alloc_frag+0x1f0/0x1f0 [ 444.366656] ? lapic_next_event+0x5a/0x90 [ 444.371738] ? vprintk_default+0x28/0x30 [ 444.377076] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.381558] ? vprintk_func+0x85/0x181 [ 444.385945] ? kvm_clock_read+0x18/0x30 [ 444.390079] ? printk+0xa7/0xcf [ 444.394121] ? kvm_sched_clock_read+0x9/0x20 [ 444.399643] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 444.403531] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.407489] new_skb+0x26/0x1c0 [ 444.410749] ? check_preemption_disabled+0x48/0x280 [ 444.415135] aoecmd_cfg+0x279/0x7f0 [ 444.419971] irq_exit+0x17f/0x1c0 [ 444.425480] ? find_held_lock+0x36/0x1c0 [ 444.428742] smp_apic_timer_interrupt+0x1cb/0x760 [ 444.433740] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 444.437345] ? smp_reschedule_interrupt+0x109/0x650 [ 444.440780] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.444818] ? smp_call_function_single_interrupt+0x650/0x650 [ 444.449647] ? __lock_is_held+0xb5/0x140 [ 444.453939] ? interrupt_entry+0xb5/0xc0 [ 444.458952] discover_timer+0x50/0x60 [ 444.464474] ? trace_hardirqs_off_caller+0xbb/0x310 [ 444.470340] call_timer_fn+0x272/0x920 [ 444.474378] ? trace_hardirqs_off_caller+0xbb/0x310 [ 444.478431] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 444.482208] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 444.487203] ? process_timeout+0x40/0x40 [ 444.491067] ? trace_hardirqs_on_caller+0x310/0x310 [ 444.496066] ? __run_timers+0x7da/0xc70 [ 444.500886] ? trace_hardirqs_on_caller+0x310/0x310 [ 444.506193] ? _raw_spin_unlock_irq+0x27/0x80 [ 444.510227] ? task_prio+0x50/0x50 [ 444.515223] ? _raw_spin_unlock_irq+0x27/0x80 [ 444.519181] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 444.524180] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 444.528652] ? check_preemption_disabled+0x48/0x280 [ 444.532190] ? lockdep_hardirqs_on+0x296/0x5b0 [ 444.536666] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 444.542183] ? trace_hardirqs_on+0xbd/0x310 [ 444.547012] apic_timer_interrupt+0xf/0x20 [ 444.552002] ? kasan_check_read+0x11/0x20 [ 444.556551] [ 444.561375] ? __run_timers+0x7da/0xc70 [ 444.565779] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 444.569991] ? trace_hardirqs_off_caller+0x310/0x310 [ 444.574116] Code: 00 e8 95 31 8e f9 e8 90 e2 bd f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d ea 90 8b 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d c0 90 [ 444.576341] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 444.580280] RSP: 0000:ffff8801c4c0e140 EFLAGS: 00000286 [ 444.585455] __run_timers+0x7e5/0xc70 [ 444.590529] ORIG_RAX: ffffffffffffff13 [ 444.609438] ? timer_fixup_init+0x70/0x70 [ 444.614250] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003afce19e [ 444.619596] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 444.623378] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d7e70c7c [ 444.623389] RBP: ffff8801c4c0e168 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 444.627342] ? zap_class+0x640/0x640 [ 444.631462] R10: 0000000000000000 R11: ffff8801d7e70400 R12: dffffc0000000000 [ 444.638712] ? enqueue_hrtimer+0x1a5/0x560 [ 444.643700] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478 [ 444.650951] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 444.658224] retint_kernel+0x1b/0x2d [ 444.661908] ? find_held_lock+0x36/0x1c0 [ 444.669173] RIP: 0010:dump_stack+0x358/0x39d [ 444.673394] ? zap_class+0x640/0x640 [ 444.680643] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 91 c1 00 fa 48 83 3d 99 b9 91 01 00 0f 84 63 fe ff ff e8 ee e6 bd f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db e6 bd f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 444.685816] ? pvclock_read_flags+0x160/0x160 [ 444.689502] RSP: 0000:ffff8801c4c0e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 444.693557] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.697944] RAX: ffff8801d7e70400 RBX: 1ffffffff12a3e8e RCX: 1ffff1003afce19e [ 444.701652] ? check_preemption_disabled+0x48/0x280 [ 444.720525] RDX: 0000000000000000 RSI: ffffffff87c03ae2 RDI: 0000000000000293 [ 444.720536] RBP: ffff8801c4c0e2c8 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 444.725018] ? __lock_is_held+0xb5/0x140 [ 444.732697] R10: 0000000000000000 R11: ffff8801d7e70400 R12: 1ffff10038981c4c [ 444.738217] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.745464] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 444.750464] ? check_preemption_disabled+0x48/0x280 [ 444.757722] ? dump_stack+0x34f/0x39d [ 444.764984] run_timer_softirq+0x52/0xb0 [ 444.769044] ? dump_stack_print_info.cold.1+0x20/0x20 [ 444.776291] ? rcu_read_lock_sched_held+0x14f/0x180 [ 444.781811] dump_header+0x27b/0xf72 [ 444.789167] __do_softirq+0x308/0xb7e [ 444.794167] ? mark_held_locks+0x130/0x130 [ 444.797942] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 444.801979] ? pagefault_out_of_memory+0x197/0x197 [ 444.807153] ? lock_downgrade+0x900/0x900 [ 444.812159] ? __lock_acquire+0x62f/0x4c20 [ 444.815848] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 444.819625] ? zap_class+0x640/0x640 [ 444.823840] ? pvclock_read_flags+0x160/0x160 [ 444.828308] ? percpu_ref_get_many+0x240/0x240 [ 444.833227] ? lapic_next_event+0x5a/0x90 [ 444.837347] ? print_usage_bug+0xc0/0xc0 [ 444.841559] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.846641] ? print_usage_bug+0xc0/0xc0 [ 444.850330] ? kvm_clock_read+0x18/0x30 [ 444.854802] ? zap_class+0x640/0x640 [ 444.859357] ? kvm_sched_clock_read+0x9/0x20 [ 444.863485] ? print_usage_bug+0xc0/0xc0 [ 444.867526] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.873040] ? print_usage_bug+0xc0/0xc0 [ 444.877081] ? check_preemption_disabled+0x48/0x280 [ 444.881031] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.884723] irq_exit+0x17f/0x1c0 [ 444.889108] ? find_held_lock+0x36/0x1c0 [ 444.893160] smp_apic_timer_interrupt+0x1cb/0x760 [ 444.898682] ? mark_held_locks+0xc7/0x130 [ 444.902735] ? smp_reschedule_interrupt+0x109/0x650 [ 444.907735] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 444.913247] ? smp_call_function_single_interrupt+0x650/0x650 [ 444.916676] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 444.920727] ? interrupt_entry+0xb5/0xc0 [ 444.925545] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 444.929669] ? trace_hardirqs_off_caller+0xbb/0x310 [ 444.934664] ? trace_hardirqs_on+0xbd/0x310 [ 444.939741] ? trace_hardirqs_off_caller+0xbb/0x310 [ 444.945603] ? kasan_check_read+0x11/0x20 [ 444.950685] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 444.954722] ? ___ratelimit+0x3b4/0x672 [ 444.959279] ? trace_hardirqs_on_caller+0x310/0x310 [ 444.964273] ? trace_hardirqs_off_caller+0x310/0x310 [ 444.968569] ? trace_hardirqs_on_caller+0x310/0x310 [ 444.973561] ? trace_hardirqs_on+0x310/0x310 [ 444.977688] ? task_prio+0x50/0x50 [ 444.982504] ? lock_downgrade+0x900/0x900 [ 444.986456] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.991451] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 444.996527] ? check_preemption_disabled+0x48/0x280 [ 445.001516] ? ___ratelimit+0x3b9/0x672 [ 445.005905] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 445.009422] ? idr_get_free+0xec0/0xec0 [ 445.013561] apic_timer_interrupt+0xf/0x20 [ 445.019072] ? find_held_lock+0x36/0x1c0 [ 445.024150] [ 445.029154] oom_kill_process.cold.27+0x10/0x903 [ 445.033101] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 445.037922] ? zap_class+0x640/0x640 [ 445.041874] Code: 7e 0f 85 cf fe ff ff e8 f6 d7 3f ff e9 c5 fe ff ff e8 4d a2 c3 ff 48 83 3d a5 50 91 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 6a b1 [ 445.046086] ? check_preemption_disabled+0x48/0x280 [ 445.050128] RSP: 0000:ffff88019c63f740 EFLAGS: 00000286 [ 445.052347] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 445.057068] ORIG_RAX: ffffffffffffff13 [ 445.061976] ? kasan_check_read+0x11/0x20 [ 445.065664] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 445.084550] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 445.089537] RDX: 0000000000000000 RSI: ffff8801929e68c0 RDI: 0000000000000286 [ 445.094878] ? oom_evaluate_task+0x540/0x540 [ 445.099781] RBP: ffff88019c63f7a8 R08: ffff8801929e6040 R09: 0000000000000000 [ 445.103734] ? find_held_lock+0x36/0x1c0 [ 445.107853] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 445.115116] ? out_of_memory+0x974/0x1430 [ 445.120365] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020 [ 445.127618] ? lock_downgrade+0x900/0x900 [ 445.132023] skb_clone+0x1bb/0x500 [ 445.139249] ? check_preemption_disabled+0x48/0x280 [ 445.143289] ? finish_task_switch+0x2f4/0x910 [ 445.150557] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 445.154678] ? skb_split+0x11e0/0x11e0 [ 445.161926] ? kasan_check_read+0x11/0x20 [ 445.166050] ? preempt_notifier_register+0x200/0x200 [ 445.169569] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 445.174560] ? __switch_to_asm+0x34/0x70 [ 445.179029] ? rcu_softirq_qs+0x20/0x20 [ 445.183933] ? __switch_to_asm+0x34/0x70 [ 445.187807] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 445.191932] ? __switch_to_asm+0x40/0x70 [ 445.197097] ? oom_evaluate_task+0x302/0x540 [ 445.202362] ? __switch_to_asm+0x34/0x70 [ 445.206400] out_of_memory+0xa84/0x1430 [ 445.210347] ? __switch_to_asm+0x40/0x70 [ 445.214391] ? oom_killer_disable+0x3a0/0x3a0 [ 445.219902] ? __switch_to_asm+0x34/0x70 [ 445.223937] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 445.228321] ? __switch_to_asm+0x40/0x70 [ 445.232377] ? __mutex_add_waiter+0x2a0/0x2a0 [ 445.236327] ? __switch_to_asm+0x34/0x70 [ 445.240374] __alloc_pages_slowpath+0x22d4/0x2d70 [ 445.244849] ? __switch_to_asm+0x34/0x70 [ 445.248911] ? warn_alloc+0x120/0x120 [ 445.253800] ? __switch_to_asm+0x40/0x70 [ 445.257847] ? rcu_softirq_qs+0x20/0x20 [ 445.262318] ? __switch_to_asm+0x34/0x70 [ 445.266378] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 445.271180] bpf_clone_redirect+0xb9/0x490 [ 445.275215] ? should_fail+0x22d/0xd01 [ 445.278992] ? __schedule+0x8d7/0x21d0 [ 445.283037] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 445.286993] bpf_prog_bebbfe2050753572+0x325/0x1000 [ 445.291031] ? zap_class+0x640/0x640 [ 445.296545] ? __sched_text_start+0x8/0x8 [ 445.300775] ? __lock_is_held+0xb5/0x140 [ 445.304631] ? find_held_lock+0x36/0x1c0 [ 445.308491] ? mark_held_locks+0x130/0x130 [ 445.313590] ? lock_acquire+0x1ed/0x520 [ 445.318583] ? lock_release+0xa00/0xa00 [ 445.322274] ? bpf_test_run+0x3cb/0x780 [ 445.326397] ? perf_trace_sched_process_exec+0x860/0x860 [ 445.330437] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.334482] ? __might_sleep+0x95/0x190 [ 445.338700] ? check_preemption_disabled+0x48/0x280 [ 445.342671] __alloc_pages_nodemask+0xa80/0xde0 [ 445.346625] ? kasan_check_read+0x11/0x20 [ 445.350581] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 445.356019] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 445.361552] ? __page_cache_alloc+0x191/0x5c0 [ 445.365502] ? rcu_softirq_qs+0x20/0x20 [ 445.370493] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 445.375141] ? preempt_schedule+0x4d/0x60 [ 445.379268] ? kasan_check_read+0x11/0x20 [ 445.384261] ? ___preempt_schedule+0x16/0x18 [ 445.389531] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 445.394007] ? bpf_test_run+0x25d/0x780 [ 445.397959] ? zap_class+0x640/0x640 [ 445.402872] ? netlink_diag_dump+0x2a0/0x2a0 [ 445.407009] ? zap_class+0x640/0x640 [ 445.411135] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 445.415521] ? zap_class+0x640/0x640 [ 445.420785] ? bpf_test_init.isra.10+0x70/0x100 [ 445.424734] ? __do_page_cache_readahead+0x7ce/0x980 [ 445.428426] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 445.432808] ? find_held_lock+0x36/0x1c0 [ 445.436502] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 445.442024] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 445.445712] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 445.450373] alloc_pages_current+0x173/0x350 [ 445.455452] ? fput+0x130/0x1a0 [ 445.460185] __page_cache_alloc+0x38c/0x5c0 [ 445.464220] ? __bpf_prog_get+0x9b/0x290 [ 445.469041] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 445.474553] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 445.480065] ? kasan_check_read+0x11/0x20 [ 445.484454] ? bpf_prog_test_run+0x130/0x1a0 [ 445.487716] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 445.492017] ? __x64_sys_bpf+0x3d8/0x520 [ 445.496094] ? generic_perform_write+0x6a0/0x6a0 [ 445.500998] ? bpf_prog_get+0x20/0x20 [ 445.506070] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 445.506091] ? check_preemption_disabled+0x48/0x280 [ 445.506116] filemap_fault+0x1594/0x25f0 [ 445.510267] ? do_syscall_64+0x1b9/0x820 [ 445.514647] ? __lock_page_or_retry+0xa00/0xa00 [ 445.519905] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 445.519921] ? syscall_return_slowpath+0x5e0/0x5e0 [ 445.523960] ? mark_held_locks+0x130/0x130 [ 445.528693] ? trace_hardirqs_on_caller+0x310/0x310 [ 445.532490] ? rcu_softirq_qs+0x20/0x20 [ 445.538005] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 445.543021] ? filemap_map_pages+0xe04/0x1990 [ 445.547056] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 445.551103] ? __free_object+0x173/0x340 [ 445.555759] ? __switch_to_asm+0x40/0x70 [ 445.561107] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 445.566011] ? __switch_to_asm+0x34/0x70 [ 445.570224] ? trace_hardirqs_off_caller+0x310/0x310 [ 445.575220] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 445.579170] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 445.584172] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 445.588660] ? debug_object_free+0x32d/0x690 [ 445.595314] rcu: rcu_preempt kthread starved for 8580 jiffies! g38893 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 445.599336] ? kasan_check_read+0x11/0x20 [ 445.603362] rcu: RCU grace-period kthread stack dump: [ 445.603370] rcu_preempt R [ 445.608283] ? debug_object_destroy+0x2b0/0x2b0 [ 445.612306] running task 22696 10 2 0x80000000 [ 445.617406] ? lock_pi_update_atomic+0x150/0x150 [ 445.622215] Call Trace: [ 445.626872] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.632213] __schedule+0x8cf/0x21d0 [ 445.636598] ? __hrtimer_init+0xdb/0x240 [ 445.646979] ? __sched_text_start+0x8/0x8 [ 445.651127] ? lock_acquire+0x1ed/0x520 [ 445.656292] ? add_timer_on+0xa20/0xa20 [ 445.659370] ? ext4_filemap_fault+0x7a/0xad [ 445.664018] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 445.669705] ? lock_release+0xa00/0xa00 [ 445.674737] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 445.677296] ? perf_trace_sched_process_exec+0x860/0x860 [ 445.682812] ? trace_hardirqs_on+0xbd/0x310 [ 445.686504] ? print_usage_bug+0xc0/0xc0 [ 445.690542] ? kasan_check_read+0x11/0x20 [ 445.694668] ? print_usage_bug+0xc0/0xc0 [ 445.698639] ? prepare_to_swait_event+0x25a/0x800 [ 445.702602] ? down_read+0x8d/0x120 [ 445.706919] ? trace_hardirqs_off_caller+0x310/0x310 [ 445.711999] ? ext4_filemap_fault+0x7a/0xad [ 445.715950] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 445.721030] ? __down_interruptible+0x700/0x700 [ 445.726457] schedule+0xfe/0x460 [ 445.730782] ext4_filemap_fault+0x82/0xad [ 445.734819] ? __schedule+0x21d0/0x21d0 [ 445.738951] __do_fault+0x100/0x6b0 [ 445.742988] ? prepare_to_swait_event+0x25a/0x800 [ 445.747810] ? pmd_devmap_trans_unstable+0x220/0x220 [ 445.751419] ? __init_swait_queue_head+0x150/0x150 [ 445.756513] ? mark_held_locks+0x130/0x130 [ 445.760808] ? __lockdep_init_map+0x105/0x590 [ 445.765900] ? mark_held_locks+0x130/0x130 [ 445.770544] ? lockdep_init_map+0x9/0x10 [ 445.773890] ? debug_smp_processor_id+0x1c/0x20 [ 445.778014] schedule_timeout+0x140/0x260 [ 445.781988] ? perf_trace_lock+0x14d/0x7a0 [ 445.785613] ? usleep_range+0x1a0/0x1a0 [ 445.790435] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 445.795518] ? __next_timer_interrupt+0x1a0/0x1a0 [ 445.800424] __handle_mm_fault+0x307c/0x5920 [ 445.804658] rcu_gp_fqs_loop+0x762/0xa80 [ 445.809139] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 445.813352] ? rcu_gp_fqs_check_wake+0x170/0x170 [ 445.817386] ? lock_is_held_type+0x210/0x210 [ 445.822043] ? trace_hardirqs_off_caller+0x310/0x310 [ 445.826194] ? zap_class+0x640/0x640 [ 445.830395] ? perf_trace_sched_process_exec+0x860/0x860 [ 445.834345] ? zap_class+0x640/0x640 [ 445.839857] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.844674] ? __x64_sys_futex+0x53e/0x6a0 [ 445.849075] ? rcu_gp_init+0x90b/0x1260 [ 445.853112] ? find_held_lock+0x36/0x1c0 [ 445.857946] ? dump_blkd_tasks.isra.48+0xe0/0xe0 [ 445.862749] ? handle_mm_fault+0x42a/0xc70 [ 445.867132] ? rcu_accelerate_cbs+0x562/0xae0 [ 445.872211] ? lock_downgrade+0x900/0x900 [ 445.875897] ? zap_class+0x640/0x640 [ 445.881324] ? check_preemption_disabled+0x48/0x280 [ 445.885018] ? zap_class+0x640/0x640 [ 445.890533] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 445.894753] ? __lock_is_held+0xb5/0x140 [ 445.898696] ? kasan_check_read+0x11/0x20 [ 445.898712] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 445.902753] ? __lock_is_held+0xb5/0x140 [ 445.907485] ? rcu_softirq_qs+0x20/0x20 [ 445.911697] ? zap_class+0x640/0x640 [ 445.916174] ? trace_hardirqs_off_caller+0x310/0x310 [ 445.920303] ? rcu_accelerate_cbs+0x562/0xae0 [ 445.923994] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 445.928989] ? find_held_lock+0x36/0x1c0 [ 445.932679] ? check_preemption_disabled+0x48/0x280 [ 445.937606] ? rcu_gp_kthread+0x8cf/0xc70 [ 445.941645] handle_mm_fault+0x54f/0xc70 [ 445.945779] ? _raw_spin_unlock_irq+0x27/0x80 [ 445.951119] ? __handle_mm_fault+0x5920/0x5920 [ 445.955158] ? _raw_spin_unlock_irq+0x27/0x80 [ 445.959109] ? find_vma+0x34/0x190 [ 445.962800] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 445.967901] __do_page_fault+0x5e8/0xe60 [ 445.972383] ? trace_hardirqs_on+0xbd/0x310 [ 445.977912] ? trace_hardirqs_off+0xb8/0x310 [ 445.981953] ? kasan_check_read+0x11/0x20 [ 445.986947] ? __ia32_sys_read+0xb0/0xb0 [ 445.991072] ? trace_hardirqs_off_caller+0x310/0x310 [ 445.995116] do_page_fault+0xf2/0x7e0 [ 445.999596] ? perf_trace_sched_process_exec+0x860/0x860 [ 446.004156] ? vmalloc_sync_all+0x30/0x30 [ 446.008631] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 446.012146] ? error_entry+0x70/0xd0 [ 446.016713] rcu_gp_kthread+0x341/0xc70 [ 446.020745] ? trace_hardirqs_off_caller+0xbb/0x310 [ 446.025070] ? rcu_gp_init+0x1260/0x1260 [ 446.029455] ? trace_hardirqs_on_caller+0xc0/0x310 [ 446.033579] ? mark_held_locks+0x130/0x130 [ 446.037616] ? syscall_return_slowpath+0x5e0/0x5e0 [ 446.042689] ? __schedule+0x168a/0x21d0 [ 446.046467] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 446.051905] ? _raw_spin_unlock_irq+0x27/0x80 [ 446.056028] ? trace_hardirqs_on_caller+0x310/0x310 [ 446.061583] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 446.065275] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 446.069226] ? trace_hardirqs_on+0xbd/0x310 [ 446.074245] ? prepare_exit_to_usermode+0x291/0x3b0 [ 446.078279] ? kasan_check_read+0x11/0x20 [ 446.083182] ? page_fault+0x8/0x30 [ 446.087403] ? __schedule+0x168a/0x21d0 [ 446.092312] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 446.096261] ? trace_hardirqs_off_caller+0x310/0x310 [ 446.101079] ? page_fault+0x8/0x30 [ 446.105558] ? lock_pin_lock+0x350/0x350 [ 446.110562] page_fault+0x1e/0x30 [ 446.115143] ? _raw_spin_unlock_irq+0x60/0x80 [ 446.120564] RIP: 0033:0x45ddf3 [ 446.124862] ? __schedule+0x168a/0x21d0 [ 446.129868] Code: Bad RIP value. [ 446.133985] ? __switch_to_asm+0x40/0x70 [ 446.137497] RSP: 002b:000000c4200206a0 EFLAGS: 00010206 [ 446.141456] ? __switch_to_asm+0x40/0x70 [ 446.146273] RAX: ffffffffffffff92 RBX: 000000003b974269 RCX: 000000000045ddf3 [ 446.146283] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e1060 [ 446.151367] ? __ia32_sys_membarrier+0xb1/0x150 [ 446.154872] RBP: 000000c4200206e8 R08: 0000000000000000 R09: 0000000000000000 [ 446.154882] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001 [ 446.158929] ? __sched_text_start+0x8/0x8 [ 446.162346] R13: 0000000000000007 R14: 0000000000b7f720 R15: 000000000000bdf9 [ 446.162373] warn_alloc_show_mem: 1 callbacks suppressed [ 446.162378] Mem-Info: [ 446.166840] ? find_held_lock+0x36/0x1c0 [ 446.170026] active_anon:46452 inactive_anon:2315 isolated_anon:0 [ 446.170026] active_file:13 inactive_file:13 isolated_file:0 [ 446.170026] unevictable:0 dirty:0 writeback:0 unstable:0 [ 446.170026] slab_reclaimable:9341 slab_unreclaimable:1470635 [ 446.170026] mapped:24578 shmem:7010 pagetables:528 bounce:0 [ 446.170026] free:13753 free_pcp:603 free_cma:0 [ 446.173965] ? __kthread_parkme+0xce/0x1a0 [ 446.177319] Node 0 active_anon:185808kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:28040kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 446.181347] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 446.186679] Node 0 [ 446.190724] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 446.197984] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 446.205223] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 446.209853] lowmem_reserve[]: 0 [ 446.217129] ? trace_hardirqs_on+0xbd/0x310 [ 446.224364] 2818 6321 [ 446.228503] ? kasan_check_read+0x11/0x20 [ 446.235735] 6321 [ 446.241088] ? __kthread_parkme+0xce/0x1a0 [ 446.243467] Node 0 [ 446.247532] ? trace_hardirqs_off_caller+0x310/0x310 [ 446.280589] DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 446.284800] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 446.312339] lowmem_reserve[]: 0 [ 446.317445] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 446.319644] 0 3503 [ 446.324738] ? __kthread_parkme+0xfb/0x1a0 [ 446.350203] 3503 [ 446.354778] kthread+0x35a/0x420 [ 446.358033] Node 0 [ 446.362336] ? rcu_gp_init+0x1260/0x1260 [ 446.364822] Normal free:13924kB min:37364kB low:46704kB high:56044kB active_anon:183760kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5536kB pagetables:2112kB bounce:0kB free_pcp:2164kB local_pcp:1336kB free_cma:0kB [ 446.368932] ? kthread_stop+0x900/0x900 [ 446.370959] lowmem_reserve[]: 0 [ 446.375271] ret_from_fork+0x3a/0x50 [ 446.377470] 0 0 [ 446.382665] aoe: skb alloc failure [ 446.409507] 0 [ 446.409518] Node 0 DMA: 1*4kB (U) 0*8kB [ 446.414668] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 446.417874] 0*16kB 1*32kB [ 446.423397] syz-executor0 cpuset= [ 446.425608] (U) 2*64kB [ 446.429825] syz0 [ 446.431858] (U) 1*128kB [ 446.435225] mems_allowed=0 [ 446.437437] (U) [ 446.441496] CPU: 0 PID: 17787 Comm: syz-executor0 Not tainted 4.19.0+ #72 [ 446.470087] 1*256kB (U) [ 446.474049] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 446.477297] 0*512kB 1*1024kB [ 446.480994] Call Trace: [ 446.482955] (U) 1*2048kB [ 446.486477] [ 446.488267] (M) 3*4096kB [ 446.492319] dump_stack+0x244/0x39d [ 446.502769] (M) [ 446.505600] ? dump_stack_print_info.cold.1+0x20/0x20 [ 446.509020] = 15908kB [ 446.511595] warn_alloc.cold.117+0xb7/0x1bd [ 446.513553] Node 0 [ 446.516208] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 446.519136] DMA32: 5*4kB [ 446.521107] ? lock_downgrade+0x900/0x900 [ 446.528012] (UM) [ 446.530681] ? trace_hardirqs_off+0xb8/0x310 [ 446.540002] 1*8kB (H) [ 446.543105] ? trace_hardirqs_off+0xb8/0x310 [ 446.545653] 2*16kB (M) [ 446.548442] __alloc_pages_slowpath+0x2660/0x2d70 [ 446.550553] 3*32kB (M) [ 446.553325] ? warn_alloc+0x120/0x120 [ 446.556904] 3*64kB (MH) [ 446.558875] ? pvclock_read_flags+0x160/0x160 [ 446.564039] 4*128kB [ 446.566433] ? warn_alloc+0x120/0x120 [ 446.570725] (M) [ 446.572950] ? print_usage_bug+0xc0/0xc0 [ 446.577766] 5*256kB (UMH) [ 446.580516] ? warn_alloc+0x120/0x120 [ 446.584629] 5*512kB (UMH) [ 446.586713] ? print_usage_bug+0xc0/0xc0 [ 446.591091] 4*1024kB [ 446.593593] ? ktime_get+0x2c1/0x400 [ 446.597966] (UMH) [ 446.600545] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 446.605356] 2*2048kB [ 446.607936] ? check_preemption_disabled+0x48/0x280 [ 446.611698] (UM) 3*4096kB [ 446.614363] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 446.618826] (M) [ 446.621135] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 446.624899] = 25180kB [ 446.624905] Node 0 [ 446.626864] ? should_fail+0x22d/0xd01 [ 446.630887] Normal: 1917*4kB [ 446.633722] ? kasan_check_read+0x11/0x20 [ 446.637495] (UME) [ 446.640323] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 446.644351] 392*8kB (UME) [ 446.646776] ? __lock_acquire+0x62f/0x4c20 [ 446.650457] 105*16kB [ 446.652599] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 446.658101] (UME) 43*32kB [ 446.660507] ? should_fail+0x22d/0xd01 [ 446.665494] (UM) [ 446.668319] ? print_usage_bug+0xc0/0xc0 [ 446.672779] 1*64kB (U) [ 446.674751] ? mark_held_locks+0x130/0x130 [ 446.680256] 0*128kB [ 446.682666] ? mark_held_locks+0x130/0x130 [ 446.684877] 0*256kB [ 446.688748] ? check_preemption_disabled+0x48/0x280 [ 446.691820] 0*512kB 0*1024kB [ 446.695963] ? zap_class+0x640/0x640 [ 446.698079] 0*2048kB 0*4096kB [ 446.703190] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 446.706002] = 13924kB [ 446.710219] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 446.712621] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 446.717700] ? check_preemption_disabled+0x48/0x280 [ 446.720530] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 446.724398] ? __lock_is_held+0xb5/0x140 [ 446.726427] 7036 total pagecache pages [ 446.730476] __alloc_pages_nodemask+0xa80/0xde0 [ 446.733037] 0 pages in swap cache [ 446.737250] ? zap_class+0x640/0x640 [ 446.739547] Swap cache stats: add 0, delete 0, find 0/0 [ 446.743762] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 446.746072] Free swap = 0kB [ 446.751075] ? find_held_lock+0x36/0x1c0 [ 446.754145] Total swap = 0kB [ 446.757847] ? ____cache_alloc_node+0x1c7/0x1e0 [ 446.761006] 1965979 pages RAM [ 446.765747] ? lock_downgrade+0x900/0x900 [ 446.768127] 0 pages HighMem/MovableOnly [ 446.768134] 342867 pages reserved [ 446.773656] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 446.782457] 0 pages cma reserved [ 446.787461] cache_grow_begin+0xa5/0x8c0 [ 446.796047] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 446.800050] ? do_raw_spin_unlock+0xa7/0x330 [ 446.804085] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 446.808582] fallback_alloc+0x204/0x2e0 [ 446.808602] ____cache_alloc_node+0x1c7/0x1e0 [ 446.812202] syz-fuzzer cpuset= [ 446.815898] kmem_cache_alloc_node+0xe3/0x730 [ 446.815912] ? lockdep_hardirqs_on+0x296/0x5b0 [ 446.821375] / [ 446.826315] __alloc_skb+0x119/0x770 [ 446.826331] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 446.826346] ? netdev_alloc_frag+0x1f0/0x1f0 [ 446.826367] ? vprintk_default+0x28/0x30 [ 446.826381] ? vprintk_func+0x85/0x181 [ 446.826395] ? printk+0xa7/0xcf [ 446.829485] mems_allowed=0 [ 446.833526] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 446.944307] new_skb+0x26/0x1c0 [ 446.947579] aoecmd_cfg+0x279/0x7f0 [ 446.951215] ? find_held_lock+0x36/0x1c0 [ 446.955272] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 446.959590] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 446.965129] ? __lock_is_held+0xb5/0x140 [ 446.969195] discover_timer+0x50/0x60 [ 446.973003] call_timer_fn+0x272/0x920 [ 446.976884] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 446.981717] ? process_timeout+0x40/0x40 [ 446.985778] ? __run_timers+0x7da/0xc70 [ 446.989748] ? _raw_spin_unlock_irq+0x27/0x80 [ 446.994238] ? _raw_spin_unlock_irq+0x27/0x80 [ 446.998723] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 447.003556] ? lockdep_hardirqs_on+0x296/0x5b0 [ 447.008131] ? trace_hardirqs_on+0xbd/0x310 [ 447.012474] ? kasan_check_read+0x11/0x20 [ 447.016615] ? __run_timers+0x7da/0xc70 [ 447.020584] ? trace_hardirqs_off_caller+0x310/0x310 [ 447.025690] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 447.030528] __run_timers+0x7e5/0xc70 [ 447.034332] ? timer_fixup_init+0x70/0x70 [ 447.038472] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 447.043500] ? zap_class+0x640/0x640 [ 447.047209] ? enqueue_hrtimer+0x1a5/0x560 [ 447.051434] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 447.056638] ? find_held_lock+0x36/0x1c0 [ 447.060694] ? zap_class+0x640/0x640 [ 447.064412] ? pvclock_read_flags+0x160/0x160 [ 447.068898] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.074461] ? check_preemption_disabled+0x48/0x280 [ 447.079483] ? __lock_is_held+0xb5/0x140 [ 447.083537] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.089064] ? check_preemption_disabled+0x48/0x280 [ 447.094076] run_timer_softirq+0x52/0xb0 [ 447.098129] ? rcu_read_lock_sched_held+0x14f/0x180 [ 447.103142] __do_softirq+0x308/0xb7e [ 447.106940] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 447.111442] ? lock_downgrade+0x900/0x900 [ 447.115589] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 447.120885] ? pvclock_read_flags+0x160/0x160 [ 447.125378] ? lapic_next_event+0x5a/0x90 [ 447.129519] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.135051] ? kvm_clock_read+0x18/0x30 [ 447.139018] ? kvm_sched_clock_read+0x9/0x20 [ 447.143421] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.148960] ? check_preemption_disabled+0x48/0x280 [ 447.153983] irq_exit+0x17f/0x1c0 [ 447.157445] smp_apic_timer_interrupt+0x1cb/0x760 [ 447.162289] ? smp_reschedule_interrupt+0x109/0x650 [ 447.167300] ? smp_call_function_single_interrupt+0x650/0x650 [ 447.173177] ? interrupt_entry+0xb5/0xc0 [ 447.177253] ? trace_hardirqs_off_caller+0xbb/0x310 [ 447.182264] ? trace_hardirqs_off_caller+0xbb/0x310 [ 447.187363] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 447.192201] ? trace_hardirqs_on_caller+0x310/0x310 [ 447.197209] ? trace_hardirqs_on_caller+0x310/0x310 [ 447.202218] ? task_prio+0x50/0x50 [ 447.205752] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.211284] ? check_preemption_disabled+0x48/0x280 [ 447.216296] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 447.221135] apic_timer_interrupt+0xf/0x20 [ 447.225352] [ 447.227585] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 447.232506] Code: 7e 0f 85 cf fe ff ff e8 f6 d7 3f ff e9 c5 fe ff ff e8 4d a2 c3 ff 48 83 3d a5 50 91 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 6a b1 [ 447.251396] RSP: 0000:ffff88019c63f740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 447.259098] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 447.266359] RDX: 0000000000000000 RSI: ffff8801929e68c0 RDI: 0000000000000286 [ 447.273619] RBP: ffff88019c63f7a8 R08: ffff8801929e6040 R09: 0000000000000000 [ 447.280912] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 447.288181] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020 [ 447.295484] skb_clone+0x1bb/0x500 [ 447.299019] ? finish_task_switch+0x2f4/0x910 [ 447.303506] ? skb_split+0x11e0/0x11e0 [ 447.307387] ? preempt_notifier_register+0x200/0x200 [ 447.312499] ? __switch_to_asm+0x34/0x70 [ 447.316554] ? __switch_to_asm+0x34/0x70 [ 447.320607] ? __switch_to_asm+0x40/0x70 [ 447.324661] ? __switch_to_asm+0x34/0x70 [ 447.328715] ? __switch_to_asm+0x40/0x70 [ 447.332767] ? __switch_to_asm+0x34/0x70 [ 447.336818] ? __switch_to_asm+0x40/0x70 [ 447.340885] ? __switch_to_asm+0x34/0x70 [ 447.344948] ? __switch_to_asm+0x34/0x70 [ 447.349003] ? __switch_to_asm+0x40/0x70 [ 447.353055] ? __switch_to_asm+0x34/0x70 [ 447.357110] bpf_clone_redirect+0xb9/0x490 [ 447.361340] ? __schedule+0x8d7/0x21d0 [ 447.365247] bpf_prog_bebbfe2050753572+0x325/0x1000 [ 447.370258] ? __sched_text_start+0x8/0x8 [ 447.374426] ? find_held_lock+0x36/0x1c0 [ 447.378492] ? lock_acquire+0x1ed/0x520 [ 447.382458] ? bpf_test_run+0x3cb/0x780 [ 447.386435] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.391964] ? check_preemption_disabled+0x48/0x280 [ 447.396980] ? kasan_check_read+0x11/0x20 [ 447.401123] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 447.406392] ? rcu_softirq_qs+0x20/0x20 [ 447.410359] ? preempt_schedule+0x4d/0x60 [ 447.414513] ? ___preempt_schedule+0x16/0x18 [ 447.418934] ? bpf_test_run+0x25d/0x780 [ 447.422936] ? netlink_diag_dump+0x2a0/0x2a0 [ 447.427339] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 447.432865] ? bpf_test_init.isra.10+0x70/0x100 [ 447.437528] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 447.442283] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 447.447114] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 447.452641] ? fput+0x130/0x1a0 [ 447.455915] ? __bpf_prog_get+0x9b/0x290 [ 447.459985] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 447.464836] ? bpf_prog_test_run+0x130/0x1a0 [ 447.469247] ? __x64_sys_bpf+0x3d8/0x520 [ 447.473313] ? bpf_prog_get+0x20/0x20 [ 447.477121] ? do_syscall_64+0x1b9/0x820 [ 447.481177] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 447.486534] ? syscall_return_slowpath+0x5e0/0x5e0 [ 447.491475] ? trace_hardirqs_on_caller+0x310/0x310 [ 447.496486] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 447.501626] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 447.508771] ? __switch_to_asm+0x40/0x70 [ 447.512823] ? __switch_to_asm+0x34/0x70 [ 447.516880] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 447.521725] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 447.527109] Mem-Info: [ 447.527135] CPU: 1 PID: 5375 Comm: syz-fuzzer Not tainted 4.19.0+ #72 [ 447.529530] active_anon:46452 inactive_anon:2315 isolated_anon:0 [ 447.529530] active_file:13 inactive_file:13 isolated_file:0 [ 447.529530] unevictable:0 dirty:0 writeback:0 unstable:0 [ 447.529530] slab_reclaimable:9341 slab_unreclaimable:1470635 [ 447.529530] mapped:24578 shmem:7010 pagetables:528 bounce:0 [ 447.529530] free:13753 free_pcp:603 free_cma:0 [ 447.536072] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 447.536095] Call Trace: [ 447.569142] Node 0 active_anon:185808kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:28040kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 447.578464] [ 447.581024] Node 0 [ 447.608614] dump_stack+0x244/0x39d [ 447.610759] 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 [ 447.612980] ? dump_stack_print_info.cold.1+0x20/0x20 [ 447.616575] lowmem_reserve[]: [ 447.642070] warn_alloc.cold.117+0xb7/0x1bd [ 447.647641] 0 2818 [ 447.650747] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 447.655037] 6321 6321 [ 447.657271] ? lock_downgrade+0x900/0x900 [ 447.662084] Node 0 [ 447.664570] ? trace_hardirqs_off+0xb8/0x310 [ 447.668708] DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 447.670918] ? trace_hardirqs_off+0xb8/0x310 [ 447.675546] lowmem_reserve[]: 0 [ 447.702705] __alloc_pages_slowpath+0x2660/0x2d70 [ 447.707071] 0 3503 [ 447.710380] ? warn_alloc+0x120/0x120 [ 447.715162] 3503 [ 447.717395] ? warn_alloc+0x120/0x120 [ 447.721174] Node 0 [ 447.723227] ? print_usage_bug+0xc0/0xc0 [ 447.727035] Normal free:13924kB min:37364kB low:46704kB high:56044kB active_anon:183760kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5536kB pagetables:2112kB bounce:0kB free_pcp:2164kB local_pcp:828kB free_cma:0kB [ 447.729233] ? print_bfs_bug+0x80/0x80 [ 447.733261] lowmem_reserve[]: 0 [ 447.761713] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 447.765555] 0 0 [ 447.768828] ? should_fail+0x22d/0xd01 [ 447.774327] 0 [ 447.776309] ? trace_event_raw_event_lock_acquire+0x440/0x440 [ 447.780164] Node 0 [ 447.781953] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 447.787802] DMA: 1*4kB [ 447.790034] ? __lock_acquire+0x62f/0x4c20 [ 447.795103] (U) [ 447.797686] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 447.801883] 0*8kB 0*16kB [ 447.803870] ? should_fail+0x22d/0xd01 [ 447.808945] 1*32kB [ 447.811695] ? mark_held_locks+0x130/0x130 [ 447.815556] (U) [ 447.817778] ? mark_held_locks+0x130/0x130 [ 447.821977] 2*64kB (U) [ 447.823949] ? print_usage_bug+0xc0/0xc0 [ 447.828158] 1*128kB (U) [ 447.830737] ? find_held_lock+0x36/0x1c0 [ 447.834765] 1*256kB [ 447.837423] ? zap_class+0x640/0x640 [ 447.841461] (U) 0*512kB [ 447.843779] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.847461] 1*1024kB [ 447.850118] ? check_preemption_disabled+0x48/0x280 [ 447.855619] (U) [ 447.858022] ? __lock_is_held+0xb5/0x140 [ 447.863007] 1*2048kB [ 447.864972] __alloc_pages_nodemask+0xa80/0xde0 [ 447.869001] (M) [ 447.871411] ? zap_class+0x640/0x640 [ 447.876044] 3*4096kB (M) [ 447.878015] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 447.881691] = 15908kB [ 447.881697] Node 0 [ 447.884451] ? find_held_lock+0x36/0x1c0 [ 447.889435] DMA32: [ 447.891836] ? ____cache_alloc_node+0x1c7/0x1e0 [ 447.894041] 5*4kB [ 447.898083] ? lock_downgrade+0x900/0x900 [ 447.900288] (UM) [ 447.904949] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.907063] 1*8kB (H) [ 447.911207] cache_grow_begin+0xa5/0x8c0 [ 447.913235] 2*16kB (M) [ 447.918763] ? do_raw_spin_unlock+0xa7/0x330 [ 447.921225] 3*32kB (M) [ 447.925289] fallback_alloc+0x204/0x2e0 [ 447.927839] 3*64kB (MH) [ 447.932242] ____cache_alloc_node+0x1c7/0x1e0 [ 447.934793] 4*128kB [ 447.938755] kmem_cache_alloc_node+0xe3/0x730 [ 447.941388] (M) 5*256kB (UMH) [ 447.945877] ? mark_held_locks+0xc7/0x130 [ 447.948175] 5*512kB (UMH) [ 447.952669] __alloc_skb+0x119/0x770 [ 447.955821] 4*1024kB (UMH) [ 447.959965] ? netdev_alloc_frag+0x1f0/0x1f0 [ 447.962781] 2*2048kB (UM) [ 447.966484] ? do_raw_spin_trylock+0x270/0x270 [ 447.969384] 3*4096kB (M) = 25180kB [ 447.973788] ? kmem_cache_alloc_trace+0x353/0x750 [ 447.976600] Node 0 [ 447.981166] ? queue_work_on+0x12c/0x1e0 [ 447.984668] Normal: 1917*4kB [ 447.989524] ? switchdev_port_obj_del+0xdc/0x440 [ 447.991727] (UME) [ 447.995771] ? switchdev_trans_item_enqueue+0x260/0x260 [ 447.998838] 392*8kB (UME) [ 448.003583] ? mod_timer+0x631/0x1560 [ 448.005700] 105*16kB (UME) [ 448.011050] ? wake_up_klogd+0x180/0x180 [ 448.013862] 43*32kB (UM) [ 448.017661] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 448.020561] 1*64kB [ 448.024605] __br_mdb_notify+0x4ff/0x15d0 [ 448.028021] (U) 0*128kB [ 448.033035] ? __br_mdb_add+0x7f0/0x7f0 [ 448.035343] 0*256kB 0*512kB [ 448.039485] ? zap_class+0x640/0x640 [ 448.042121] 0*1024kB [ 448.046099] ? br_multicast_group_expired+0x96/0x610 [ 448.049081] 0*2048kB 0*4096kB [ 448.052805] br_mdb_notify+0x310/0x410 [ 448.055186] = 13924kB [ 448.060270] ? br_mdb_dump+0x27b0/0x27b0 [ 448.063436] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 448.067307] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.069689] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 448.073737] br_multicast_group_expired+0x1bc/0x610 [ 448.082537] 7036 total pagecache pages [ 448.088058] ? br_mdb_free+0x80/0x80 [ 448.096607] 0 pages in swap cache [ 448.101609] call_timer_fn+0x272/0x920 [ 448.105461] Swap cache stats: add 0, delete 0, find 0/0 [ 448.109156] ? br_mdb_free+0x80/0x80 [ 448.112579] Free swap = 0kB [ 448.116449] ? process_timeout+0x40/0x40 [ 448.121775] Total swap = 0kB [ 448.121782] 1965979 pages RAM [ 448.125486] ? mark_held_locks+0xc7/0x130 [ 448.128471] 0 pages HighMem/MovableOnly [ 448.128477] 342867 pages reserved [ 448.132537] ? _raw_spin_unlock_irq+0x27/0x80 [ 448.135522] 0 pages cma reserved [ 448.135598] aoe: skb alloc failure [ 448.138623] ? _raw_spin_unlock_irq+0x27/0x80 [ 448.142792] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 448.146713] ? br_mdb_free+0x80/0x80 [ 448.150140] syz-executor0 cpuset= [ 448.154621] ? lockdep_hardirqs_on+0x296/0x5b0 [ 448.157960] syz0 [ 448.161485] ? trace_hardirqs_on+0xbd/0x310 [ 448.165953] mems_allowed=0 [ 448.176419] ? kasan_check_read+0x11/0x20 [ 448.201403] ? __run_timers+0x7da/0xc70 [ 448.205379] ? trace_hardirqs_off_caller+0x310/0x310 [ 448.210479] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 448.214714] ? br_mdb_free+0x80/0x80 [ 448.218418] __run_timers+0x7e5/0xc70 [ 448.222207] ? rcu_irq_exit+0x1a2/0x390 [ 448.226191] ? timer_fixup_init+0x70/0x70 [ 448.230334] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.235873] ? check_preemption_disabled+0x48/0x280 [ 448.240893] ? mark_held_locks+0xc7/0x130 [ 448.245036] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 448.250050] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 448.254803] ? retint_kernel+0x2d/0x2d [ 448.258697] ? trace_hardirqs_on_caller+0xc0/0x310 [ 448.263621] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 448.268375] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 448.273822] ? zap_class+0x640/0x640 [ 448.277536] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.283067] ? check_preemption_disabled+0x48/0x280 [ 448.288085] ? __lock_is_held+0xb5/0x140 [ 448.292138] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.297682] ? check_preemption_disabled+0x48/0x280 [ 448.302695] run_timer_softirq+0x52/0xb0 [ 448.306748] ? rcu_read_lock_sched_held+0x14f/0x180 [ 448.311759] __do_softirq+0x308/0xb7e [ 448.315572] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 448.320060] ? lock_downgrade+0x900/0x900 [ 448.324205] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 448.329313] ? pvclock_read_flags+0x160/0x160 [ 448.333803] ? lapic_next_event+0x5a/0x90 [ 448.337959] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.343493] ? kvm_clock_read+0x18/0x30 [ 448.347463] ? kvm_sched_clock_read+0x9/0x20 [ 448.351875] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.357408] ? check_preemption_disabled+0x48/0x280 [ 448.362442] irq_exit+0x17f/0x1c0 [ 448.365887] smp_apic_timer_interrupt+0x1cb/0x760 [ 448.370722] ? smp_reschedule_interrupt+0x109/0x650 [ 448.375731] ? smp_call_function_single_interrupt+0x650/0x650 [ 448.381608] ? interrupt_entry+0xb5/0xc0 [ 448.385680] ? trace_hardirqs_off_caller+0xbb/0x310 [ 448.390690] ? trace_hardirqs_off_caller+0xbb/0x310 [ 448.395698] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 448.400548] ? trace_hardirqs_on_caller+0x310/0x310 [ 448.405558] ? trace_hardirqs_on_caller+0x310/0x310 [ 448.410586] ? task_prio+0x50/0x50 [ 448.414120] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 448.419651] ? check_preemption_disabled+0x48/0x280 [ 448.424665] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 448.429509] apic_timer_interrupt+0xf/0x20 [ 448.433737] [ 448.435968] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 448.441173] Code: 00 e8 95 31 8e f9 e8 90 e2 bd f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d ea 90 8b 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d c0 90 [ 448.460065] RSP: 0000:ffff8801c4c0e140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 448.467769] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003afce19e [ 448.475035] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d7e70c7c [ 448.482296] RBP: ffff8801c4c0e168 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 448.489554] R10: 0000000000000000 R11: ffff8801d7e70400 R12: dffffc0000000000 [ 448.496816] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478 [ 448.504107] retint_kernel+0x1b/0x2d [ 448.507815] RIP: 0010:dump_stack+0x358/0x39d [ 448.512223] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 91 c1 00 fa 48 83 3d 99 b9 91 01 00 0f 84 63 fe ff ff e8 ee e6 bd f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db e6 bd f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 448.531117] RSP: 0000:ffff8801c4c0e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 448.538818] RAX: ffff8801d7e70400 RBX: 1ffffffff12a3e8e RCX: 1ffff1003afce19e [ 448.546083] RDX: 0000000000000000 RSI: ffffffff87c03ae2 RDI: 0000000000000293 [ 448.553430] RBP: ffff8801c4c0e2c8 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 448.560690] R10: 0000000000000000 R11: ffff8801d7e70400 R12: 1ffff10038981c4c [ 448.567949] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 448.575225] ? dump_stack+0x34f/0x39d [ 448.579042] ? dump_stack_print_info.cold.1+0x20/0x20 [ 448.584234] dump_header+0x27b/0xf72 [ 448.587952] ? mark_held_locks+0x130/0x130 [ 448.592183] ? pagefault_out_of_memory+0x197/0x197 [ 448.597112] ? __lock_acquire+0x62f/0x4c20 [ 448.601344] ? zap_class+0x640/0x640 [ 448.605057] ? percpu_ref_get_many+0x240/0x240 [ 448.609654] ? print_usage_bug+0xc0/0xc0 [ 448.613713] ? print_usage_bug+0xc0/0xc0 [ 448.617770] ? zap_class+0x640/0x640 [ 448.621483] ? print_usage_bug+0xc0/0xc0 [ 448.625537] ? print_usage_bug+0xc0/0xc0 [ 448.629597] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.635135] ? find_held_lock+0x36/0x1c0 [ 448.639198] ? mark_held_locks+0xc7/0x130 [ 448.643367] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 448.648466] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 448.653562] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 448.658142] ? trace_hardirqs_on+0xbd/0x310 [ 448.662457] ? kasan_check_read+0x11/0x20 [ 448.666605] ? ___ratelimit+0x3b4/0x672 [ 448.670572] ? trace_hardirqs_off_caller+0x310/0x310 [ 448.675687] ? trace_hardirqs_on+0x310/0x310 [ 448.680094] ? lock_downgrade+0x900/0x900 [ 448.684242] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 448.689345] ? ___ratelimit+0x3b9/0x672 [ 448.693316] ? idr_get_free+0xec0/0xec0 [ 448.697289] ? find_held_lock+0x36/0x1c0 [ 448.701363] oom_kill_process.cold.27+0x10/0x903 [ 448.706109] ? zap_class+0x640/0x640 [ 448.709812] ? check_preemption_disabled+0x48/0x280 [ 448.714839] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 448.719764] ? kasan_check_read+0x11/0x20 [ 448.723916] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 448.729187] ? oom_evaluate_task+0x540/0x540 [ 448.733590] ? find_held_lock+0x36/0x1c0 [ 448.737651] ? out_of_memory+0x974/0x1430 [ 448.741791] ? lock_downgrade+0x900/0x900 [ 448.745939] ? check_preemption_disabled+0x48/0x280 [ 448.750951] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 448.755873] ? kasan_check_read+0x11/0x20 [ 448.760015] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 448.765288] ? rcu_softirq_qs+0x20/0x20 [ 448.769261] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 448.774789] ? oom_evaluate_task+0x302/0x540 [ 448.779201] out_of_memory+0xa84/0x1430 [ 448.783176] ? oom_killer_disable+0x3a0/0x3a0 [ 448.787673] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 448.792598] ? __mutex_add_waiter+0x2a0/0x2a0 [ 448.797110] __alloc_pages_slowpath+0x22d4/0x2d70 [ 448.801972] ? warn_alloc+0x120/0x120 [ 448.805788] ? rcu_softirq_qs+0x20/0x20 [ 448.809783] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 448.815325] ? should_fail+0x22d/0xd01 [ 448.819211] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 448.824310] ? zap_class+0x640/0x640 [ 448.828043] ? __lock_is_held+0xb5/0x140 [ 448.832110] ? mark_held_locks+0x130/0x130 [ 448.836347] ? lock_release+0xa00/0xa00 [ 448.840321] ? perf_trace_sched_process_exec+0x860/0x860 [ 448.845771] ? __might_sleep+0x95/0x190 [ 448.849748] __alloc_pages_nodemask+0xa80/0xde0 [ 448.854418] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 448.859430] ? __page_cache_alloc+0x191/0x5c0 [ 448.863927] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 448.868850] ? kasan_check_read+0x11/0x20 [ 448.872996] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 448.878272] ? zap_class+0x640/0x640 [ 448.882003] ? zap_class+0x640/0x640 [ 448.885711] ? zap_class+0x640/0x640 [ 448.889416] ? __do_page_cache_readahead+0x7ce/0x980 [ 448.894519] ? find_held_lock+0x36/0x1c0 [ 448.898582] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 448.904119] alloc_pages_current+0x173/0x350 [ 448.908531] __page_cache_alloc+0x38c/0x5c0 [ 448.912846] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 448.917768] ? kasan_check_read+0x11/0x20 [ 448.921909] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 448.927188] ? generic_perform_write+0x6a0/0x6a0 [ 448.931945] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 448.937497] ? check_preemption_disabled+0x48/0x280 [ 448.942519] filemap_fault+0x1594/0x25f0 [ 448.946584] ? __lock_page_or_retry+0xa00/0xa00 [ 448.951258] ? mark_held_locks+0x130/0x130 [ 448.955486] ? rcu_softirq_qs+0x20/0x20 [ 448.959467] ? filemap_map_pages+0xe04/0x1990 [ 448.963967] ? __free_object+0x173/0x340 [ 448.968030] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 448.972971] ? trace_hardirqs_off_caller+0x310/0x310 [ 448.978070] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 448.982759] ? debug_object_free+0x32d/0x690 [ 448.987159] ? kasan_check_read+0x11/0x20 [ 448.991306] ? debug_object_destroy+0x2b0/0x2b0 [ 448.995972] ? lock_pi_update_atomic+0x150/0x150 [ 449.000718] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 449.006247] ? __hrtimer_init+0xdb/0x240 [ 449.010316] ? lock_acquire+0x1ed/0x520 [ 449.014283] ? ext4_filemap_fault+0x7a/0xad [ 449.018605] ? lock_release+0xa00/0xa00 [ 449.022573] ? perf_trace_sched_process_exec+0x860/0x860 [ 449.028017] ? print_usage_bug+0xc0/0xc0 [ 449.032076] ? print_usage_bug+0xc0/0xc0 [ 449.036139] ? down_read+0x8d/0x120 [ 449.039754] ? ext4_filemap_fault+0x7a/0xad [ 449.044100] ? __down_interruptible+0x700/0x700 [ 449.048774] ext4_filemap_fault+0x82/0xad [ 449.052925] __do_fault+0x100/0x6b0 [ 449.056549] ? pmd_devmap_trans_unstable+0x220/0x220 [ 449.061649] ? mark_held_locks+0x130/0x130 [ 449.065879] ? mark_held_locks+0x130/0x130 [ 449.070107] ? debug_smp_processor_id+0x1c/0x20 [ 449.074781] ? perf_trace_lock+0x14d/0x7a0 [ 449.079018] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 449.084553] __handle_mm_fault+0x307c/0x5920 [ 449.088966] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 449.093818] ? lock_is_held_type+0x210/0x210 [ 449.098238] ? zap_class+0x640/0x640 [ 449.101960] ? zap_class+0x640/0x640 [ 449.105667] ? __x64_sys_futex+0x53e/0x6a0 [ 449.109909] ? find_held_lock+0x36/0x1c0 [ 449.113974] ? handle_mm_fault+0x42a/0xc70 [ 449.118204] ? lock_downgrade+0x900/0x900 [ 449.122348] ? check_preemption_disabled+0x48/0x280 [ 449.127379] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 449.132304] ? kasan_check_read+0x11/0x20 [ 449.136443] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 449.141715] ? rcu_softirq_qs+0x20/0x20 [ 449.145683] ? trace_hardirqs_off_caller+0x310/0x310 [ 449.150779] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 449.156323] ? check_preemption_disabled+0x48/0x280 [ 449.161342] handle_mm_fault+0x54f/0xc70 [ 449.165402] ? __handle_mm_fault+0x5920/0x5920 [ 449.169997] ? find_vma+0x34/0x190 [ 449.173539] __do_page_fault+0x5e8/0xe60 [ 449.177591] ? trace_hardirqs_off+0xb8/0x310 [ 449.182003] ? __ia32_sys_read+0xb0/0xb0 [ 449.186065] do_page_fault+0xf2/0x7e0 [ 449.189857] ? vmalloc_sync_all+0x30/0x30 [ 449.193998] ? error_entry+0x70/0xd0 [ 449.197704] ? trace_hardirqs_off_caller+0xbb/0x310 [ 449.202714] ? trace_hardirqs_on_caller+0xc0/0x310 [ 449.207636] ? syscall_return_slowpath+0x5e0/0x5e0 [ 449.212557] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 449.217391] ? trace_hardirqs_on_caller+0x310/0x310 [ 449.222401] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 449.227848] ? prepare_exit_to_usermode+0x291/0x3b0 [ 449.232854] ? page_fault+0x8/0x30 [ 449.236411] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 449.241254] ? page_fault+0x8/0x30 [ 449.244794] page_fault+0x1e/0x30 [ 449.248240] RIP: 0033:0x45ddf3 [ 449.251438] Code: Bad RIP value. [ 449.254798] RSP: 002b:000000c4200206a0 EFLAGS: 00010206 [ 449.260166] RAX: ffffffffffffff92 RBX: 000000003b974269 RCX: 000000000045ddf3 [ 449.267431] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e1060 [ 449.274702] RBP: 000000c4200206e8 R08: 0000000000000000 R09: 0000000000000000 [ 449.281962] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001 [ 449.289225] R13: 0000000000000007 R14: 0000000000b7f720 R15: 000000000000bdf9 [ 449.296509] CPU: 0 PID: 17787 Comm: syz-executor0 Not tainted 4.19.0+ #72 [ 449.296510] Mem-Info: [ 449.296539] active_anon:46452 inactive_anon:2315 isolated_anon:0 [ 449.296539] active_file:13 inactive_file:13 isolated_file:0 [ 449.296539] unevictable:0 dirty:0 writeback:0 unstable:0 [ 449.296539] slab_reclaimable:9341 slab_unreclaimable:1470635 [ 449.296539] mapped:24578 shmem:7010 pagetables:528 bounce:0 [ 449.296539] free:13753 free_pcp:603 free_cma:0 [ 449.303432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 449.303439] Call Trace: [ 449.305884] Node 0 active_anon:185808kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:28040kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 449.338892] [ 449.348220] Node 0 [ 449.350797] dump_stack+0x244/0x39d [ 449.378369] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 449.380486] ? dump_stack_print_info.cold.1+0x20/0x20 [ 449.382702] lowmem_reserve[]: 0 [ 449.386328] warn_alloc.cold.117+0xb7/0x1bd [ 449.411797] 2818 [ 449.416973] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 449.420219] 6321 [ 449.424525] ? lock_downgrade+0x900/0x900 [ 449.426552] 6321 [ 449.431405] ? trace_hardirqs_off+0xb8/0x310 [ 449.433435] Node 0 [ 449.437569] ? trace_hardirqs_off+0xb8/0x310 [ 449.439626] DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 449.444002] __alloc_pages_slowpath+0x2660/0x2d70 [ 449.446201] lowmem_reserve[]: 0 [ 449.450626] ? warn_alloc+0x120/0x120 [ 449.477551] 0 [ 449.482382] ? pvclock_read_flags+0x160/0x160 [ 449.485627] 3503 [ 449.489412] ? warn_alloc+0x120/0x120 [ 449.491178] 3503 [ 449.495662] ? print_usage_bug+0xc0/0xc0 [ 449.497697] Node 0 [ 449.501480] ? warn_alloc+0x120/0x120 [ 449.503542] Normal free:13924kB min:37364kB low:46704kB high:56044kB active_anon:183760kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5536kB pagetables:2112kB bounce:0kB free_pcp:2164kB local_pcp:1336kB free_cma:0kB [ 449.508087] ? print_usage_bug+0xc0/0xc0 [ 449.510308] lowmem_reserve[]: [ 449.514114] ? ktime_get+0x2c1/0x400 [ 449.542621] 0 [ 449.546672] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 449.549741] 0 0 [ 449.553465] ? check_preemption_disabled+0x48/0x280 [ 449.555230] 0 [ 449.560779] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 449.562707] Node 0 [ 449.567715] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 449.569483] DMA: 1*4kB [ 449.573972] ? should_fail+0x22d/0xd01 [ 449.576186] (U) [ 449.581711] ? kasan_check_read+0x11/0x20 [ 449.584267] 0*8kB [ 449.588140] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 449.590085] 0*16kB 1*32kB [ 449.594224] ? __lock_acquire+0x62f/0x4c20 [ 449.596345] (U) [ 449.601435] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 449.604252] 2*64kB [ 449.608490] ? should_fail+0x22d/0xd01 [ 449.610437] (U) [ 449.615565] ? print_usage_bug+0xc0/0xc0 [ 449.617789] 1*128kB [ 449.621664] ? mark_held_locks+0x130/0x130 [ 449.623603] (U) 1*256kB [ 449.627658] ? mark_held_locks+0x130/0x130 [ 449.629950] (U) [ 449.634169] ? check_preemption_disabled+0x48/0x280 [ 449.636805] 0*512kB 1*1024kB [ 449.641036] ? zap_class+0x640/0x640 [ 449.642981] (U) [ 449.647984] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 449.651053] 1*2048kB (M) [ 449.654766] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 449.656713] 3*4096kB [ 449.661452] ? check_preemption_disabled+0x48/0x280 [ 449.664181] (M) [ 449.669719] ? __lock_is_held+0xb5/0x140 [ 449.672094] = 15908kB [ 449.672101] Node 0 [ 449.677438] __alloc_pages_nodemask+0xa80/0xde0 [ 449.679384] DMA32: [ 449.683428] ? zap_class+0x640/0x640 [ 449.685809] 5*4kB [ 449.688033] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 449.692670] (UM) [ 449.694898] ? find_held_lock+0x36/0x1c0 [ 449.698574] 1*8kB (H) [ 449.700734] ? ____cache_alloc_node+0x1c7/0x1e0 [ 449.705713] 2*16kB (M) [ 449.707775] ? lock_downgrade+0x900/0x900 [ 449.711803] 3*32kB [ 449.714293] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 449.718924] (M) 3*64kB [ 449.721503] cache_grow_begin+0xa5/0x8c0 [ 449.725619] (MH) [ 449.727839] ? do_raw_spin_unlock+0xa7/0x330 [ 449.733342] 4*128kB (M) [ 449.735922] fallback_alloc+0x204/0x2e0 [ 449.739944] 5*256kB (UMH) [ 449.742001] ____cache_alloc_node+0x1c7/0x1e0 [ 449.746374] 5*512kB (UMH) [ 449.749041] kmem_cache_alloc_node+0xe3/0x730 [ 449.752976] 4*1024kB (UMH) [ 449.755829] ? lockdep_hardirqs_on+0x296/0x5b0 [ 449.760294] 2*2048kB (UM) [ 449.763135] __alloc_skb+0x119/0x770 [ 449.767588] 3*4096kB (M) [ 449.770526] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 449.775070] = 25180kB [ 449.775076] Node 0 [ 449.777929] ? netdev_alloc_frag+0x1f0/0x1f0 [ 449.781617] Normal: [ 449.784363] ? vprintk_default+0x28/0x30 [ 449.789692] 1917*4kB [ 449.792088] ? vprintk_func+0x85/0x181 [ 449.794296] (UME) [ 449.798697] ? printk+0xa7/0xcf [ 449.800988] 392*8kB (UME) [ 449.805051] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 449.807432] 105*16kB (UME) [ 449.811325] new_skb+0x26/0x1c0 [ 449.813464] 43*32kB (UM) [ 449.816750] aoecmd_cfg+0x279/0x7f0 [ 449.819558] 1*64kB (U) [ 449.824317] ? find_held_lock+0x36/0x1c0 [ 449.827222] 0*128kB [ 449.830486] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 449.833210] 0*256kB 0*512kB [ 449.836846] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 449.839400] 0*1024kB [ 449.843451] ? __lock_is_held+0xb5/0x140 [ 449.845739] 0*2048kB 0*4096kB [ 449.850063] discover_timer+0x50/0x60 [ 449.853050] = 13924kB [ 449.858586] call_timer_fn+0x272/0x920 [ 449.860973] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 449.865010] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 449.868178] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 449.871964] ? process_timeout+0x40/0x40 [ 449.874346] 7036 total pagecache pages [ 449.878223] ? __run_timers+0x7da/0xc70 [ 449.887055] 0 pages in swap cache [ 449.891893] ? _raw_spin_unlock_irq+0x27/0x80 [ 449.900439] Swap cache stats: add 0, delete 0, find 0/0 [ 449.904482] ? _raw_spin_unlock_irq+0x27/0x80 [ 449.908338] Free swap = 0kB [ 449.912298] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 449.915730] Total swap = 0kB [ 449.920213] ? lockdep_hardirqs_on+0x296/0x5b0 [ 449.925545] 1965979 pages RAM [ 449.930025] ? trace_hardirqs_on+0xbd/0x310 [ 449.933043] 0 pages HighMem/MovableOnly [ 449.933050] 342867 pages reserved [ 449.937877] ? kasan_check_read+0x11/0x20 [ 449.940858] 0 pages cma reserved [ 449.941010] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 449.945434] ? __run_timers+0x7da/0xc70 [ 449.948509] syz-fuzzer cpuset= [ 449.952814] ? trace_hardirqs_off_caller+0x310/0x310 [ 449.956757] / [ 449.960205] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 449.964317] mems_allowed=0 [ 449.967662] __run_timers+0x7e5/0xc70 [ 450.003277] ? timer_fixup_init+0x70/0x70 [ 450.007418] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 450.012426] ? zap_class+0x640/0x640 [ 450.016131] ? enqueue_hrtimer+0x1a5/0x560 [ 450.020360] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 450.025555] ? find_held_lock+0x36/0x1c0 [ 450.029611] ? zap_class+0x640/0x640 [ 450.033333] ? pvclock_read_flags+0x160/0x160 [ 450.037825] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.043357] ? check_preemption_disabled+0x48/0x280 [ 450.048373] ? __lock_is_held+0xb5/0x140 [ 450.052426] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.057956] ? check_preemption_disabled+0x48/0x280 [ 450.062990] run_timer_softirq+0x52/0xb0 [ 450.067041] ? rcu_read_lock_sched_held+0x14f/0x180 [ 450.072053] __do_softirq+0x308/0xb7e [ 450.075852] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 450.080345] ? lock_downgrade+0x900/0x900 [ 450.084491] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 450.089598] ? pvclock_read_flags+0x160/0x160 [ 450.094093] ? lapic_next_event+0x5a/0x90 [ 450.098236] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.103772] ? kvm_clock_read+0x18/0x30 [ 450.107748] ? kvm_sched_clock_read+0x9/0x20 [ 450.112158] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.117686] ? check_preemption_disabled+0x48/0x280 [ 450.122724] irq_exit+0x17f/0x1c0 [ 450.126174] smp_apic_timer_interrupt+0x1cb/0x760 [ 450.131013] ? smp_reschedule_interrupt+0x109/0x650 [ 450.136040] ? smp_call_function_single_interrupt+0x650/0x650 [ 450.141923] ? interrupt_entry+0xb5/0xc0 [ 450.146080] ? trace_hardirqs_off_caller+0xbb/0x310 [ 450.151089] ? trace_hardirqs_off_caller+0xbb/0x310 [ 450.156100] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 450.160935] ? trace_hardirqs_on_caller+0x310/0x310 [ 450.165944] ? trace_hardirqs_on_caller+0x310/0x310 [ 450.170964] ? task_prio+0x50/0x50 [ 450.174496] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.180030] ? check_preemption_disabled+0x48/0x280 [ 450.185046] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 450.189892] apic_timer_interrupt+0xf/0x20 [ 450.194113] [ 450.196346] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 450.201280] Code: 7e 0f 85 cf fe ff ff e8 f6 d7 3f ff e9 c5 fe ff ff e8 4d a2 c3 ff 48 83 3d a5 50 91 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 6a b1 [ 450.220172] RSP: 0000:ffff88019c63f740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 450.227874] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 450.235137] RDX: 0000000000000000 RSI: ffff8801929e68c0 RDI: 0000000000000286 [ 450.242396] RBP: ffff88019c63f7a8 R08: ffff8801929e6040 R09: 0000000000000000 [ 450.249660] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 450.256921] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020 [ 450.264213] skb_clone+0x1bb/0x500 [ 450.267747] ? finish_task_switch+0x2f4/0x910 [ 450.272236] ? skb_split+0x11e0/0x11e0 [ 450.276122] ? preempt_notifier_register+0x200/0x200 [ 450.281219] ? __switch_to_asm+0x34/0x70 [ 450.285276] ? __switch_to_asm+0x34/0x70 [ 450.289332] ? __switch_to_asm+0x40/0x70 [ 450.293401] ? __switch_to_asm+0x34/0x70 [ 450.297457] ? __switch_to_asm+0x40/0x70 [ 450.301514] ? __switch_to_asm+0x34/0x70 [ 450.305567] ? __switch_to_asm+0x40/0x70 [ 450.309618] ? __switch_to_asm+0x34/0x70 [ 450.313672] ? __switch_to_asm+0x34/0x70 [ 450.317734] ? __switch_to_asm+0x40/0x70 [ 450.321789] ? __switch_to_asm+0x34/0x70 [ 450.325845] bpf_clone_redirect+0xb9/0x490 [ 450.330090] ? __schedule+0x8d7/0x21d0 [ 450.333977] bpf_prog_bebbfe2050753572+0x325/0x1000 [ 450.339005] ? __sched_text_start+0x8/0x8 [ 450.343156] ? find_held_lock+0x36/0x1c0 [ 450.347217] ? lock_acquire+0x1ed/0x520 [ 450.351185] ? bpf_test_run+0x3cb/0x780 [ 450.355156] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.360702] ? check_preemption_disabled+0x48/0x280 [ 450.365722] ? kasan_check_read+0x11/0x20 [ 450.369862] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 450.375137] ? rcu_softirq_qs+0x20/0x20 [ 450.379102] ? preempt_schedule+0x4d/0x60 [ 450.383246] ? ___preempt_schedule+0x16/0x18 [ 450.387658] ? bpf_test_run+0x25d/0x780 [ 450.391649] ? netlink_diag_dump+0x2a0/0x2a0 [ 450.396052] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 450.401586] ? bpf_test_init.isra.10+0x70/0x100 [ 450.406253] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 450.411012] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 450.415850] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 450.421380] ? fput+0x130/0x1a0 [ 450.424669] ? __bpf_prog_get+0x9b/0x290 [ 450.428739] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 450.433577] ? bpf_prog_test_run+0x130/0x1a0 [ 450.437981] ? __x64_sys_bpf+0x3d8/0x520 [ 450.442038] ? bpf_prog_get+0x20/0x20 [ 450.445846] ? do_syscall_64+0x1b9/0x820 [ 450.449900] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 450.455263] ? syscall_return_slowpath+0x5e0/0x5e0 [ 450.460189] ? trace_hardirqs_on_caller+0x310/0x310 [ 450.465203] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 450.470223] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 450.476884] ? __switch_to_asm+0x40/0x70 [ 450.480937] ? __switch_to_asm+0x34/0x70 [ 450.484993] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 450.489836] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 450.495216] CPU: 1 PID: 5375 Comm: syz-fuzzer Not tainted 4.19.0+ #72 [ 450.495277] aoe: skb alloc failure [ 450.501793] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 450.501801] Call Trace: [ 450.505378] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 450.514661] [ 450.517236] syz-executor0 cpuset= [ 450.527711] dump_stack+0x244/0x39d [ 450.529832] syz0 [ 450.533273] ? dump_stack_print_info.cold.1+0x20/0x20 [ 450.536872] mems_allowed=0 [ 450.538854] warn_alloc.cold.117+0xb7/0x1bd [ 450.551228] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 450.556070] ? lock_downgrade+0x900/0x900 [ 450.560218] ? trace_hardirqs_off+0xb8/0x310 [ 450.564626] ? trace_hardirqs_off+0xb8/0x310 [ 450.569036] __alloc_pages_slowpath+0x2660/0x2d70 [ 450.573902] ? warn_alloc+0x120/0x120 [ 450.577701] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 450.582711] ? warn_alloc+0x120/0x120 [ 450.586516] ? print_usage_bug+0xc0/0xc0 [ 450.590572] ? warn_alloc+0x120/0x120 [ 450.594366] ? print_usage_bug+0xc0/0xc0 [ 450.598419] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 450.603631] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 450.609164] ? should_fail+0x22d/0xd01 [ 450.613050] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 450.618150] ? __lock_acquire+0x62f/0x4c20 [ 450.622392] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 450.627489] ? should_fail+0x22d/0xd01 [ 450.631382] ? mark_held_locks+0x130/0x130 [ 450.635614] ? mark_held_locks+0x130/0x130 [ 450.639844] ? print_usage_bug+0xc0/0xc0 [ 450.643905] ? find_held_lock+0x36/0x1c0 [ 450.647963] ? zap_class+0x640/0x640 [ 450.651683] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.657232] ? check_preemption_disabled+0x48/0x280 [ 450.662251] ? __lock_is_held+0xb5/0x140 [ 450.666322] __alloc_pages_nodemask+0xa80/0xde0 [ 450.670987] ? zap_class+0x640/0x640 [ 450.674816] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 450.679839] ? find_held_lock+0x36/0x1c0 [ 450.683903] ? ____cache_alloc_node+0x1c7/0x1e0 [ 450.688567] ? lock_downgrade+0x900/0x900 [ 450.692728] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.698263] cache_grow_begin+0xa5/0x8c0 [ 450.702316] ? do_raw_spin_unlock+0xa7/0x330 [ 450.706724] fallback_alloc+0x204/0x2e0 [ 450.710718] ____cache_alloc_node+0x1c7/0x1e0 [ 450.715220] kmem_cache_alloc_node+0xe3/0x730 [ 450.719726] ? mark_held_locks+0xc7/0x130 [ 450.723882] __alloc_skb+0x119/0x770 [ 450.727593] ? netdev_alloc_frag+0x1f0/0x1f0 [ 450.731992] ? do_raw_spin_trylock+0x270/0x270 [ 450.736573] ? kmem_cache_alloc_trace+0x353/0x750 [ 450.741413] ? queue_work_on+0x12c/0x1e0 [ 450.745476] ? switchdev_port_obj_del+0xdc/0x440 [ 450.750228] ? switchdev_trans_item_enqueue+0x260/0x260 [ 450.755590] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 450.760605] __br_mdb_notify+0x4ff/0x15d0 [ 450.764761] ? __br_mdb_add+0x7f0/0x7f0 [ 450.768739] ? zap_class+0x640/0x640 [ 450.772458] ? br_multicast_group_expired+0x96/0x610 [ 450.777559] ? lock_downgrade+0x900/0x900 [ 450.781739] br_mdb_notify+0x310/0x410 [ 450.785657] ? br_mdb_dump+0x27b0/0x27b0 [ 450.789715] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.795258] br_multicast_group_expired+0x1bc/0x610 [ 450.800275] ? br_mdb_free+0x80/0x80 [ 450.803995] call_timer_fn+0x272/0x920 [ 450.807877] ? br_mdb_free+0x80/0x80 [ 450.811590] ? process_timeout+0x40/0x40 [ 450.815662] ? mark_held_locks+0xc7/0x130 [ 450.819809] ? _raw_spin_unlock_irq+0x27/0x80 [ 450.824297] ? _raw_spin_unlock_irq+0x27/0x80 [ 450.828784] ? br_mdb_free+0x80/0x80 [ 450.832501] ? lockdep_hardirqs_on+0x296/0x5b0 [ 450.837079] ? trace_hardirqs_on+0xbd/0x310 [ 450.841394] ? kasan_check_read+0x11/0x20 [ 450.845540] ? __run_timers+0x7da/0xc70 [ 450.849508] ? trace_hardirqs_off_caller+0x310/0x310 [ 450.854610] ? br_mdb_free+0x80/0x80 [ 450.858322] ? br_mdb_free+0x80/0x80 [ 450.862030] __run_timers+0x7e5/0xc70 [ 450.865835] ? rcu_irq_exit+0x1a2/0x390 [ 450.869824] ? timer_fixup_init+0x70/0x70 [ 450.873965] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.879497] ? check_preemption_disabled+0x48/0x280 [ 450.884512] ? mark_held_locks+0xc7/0x130 [ 450.888660] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 450.893676] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 450.898429] ? retint_kernel+0x2d/0x2d [ 450.902311] ? trace_hardirqs_on_caller+0xc0/0x310 [ 450.907238] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 450.911996] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 450.917440] ? zap_class+0x640/0x640 [ 450.921159] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.926693] ? check_preemption_disabled+0x48/0x280 [ 450.931716] ? __lock_is_held+0xb5/0x140 [ 450.935771] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.941312] ? check_preemption_disabled+0x48/0x280 [ 450.946329] run_timer_softirq+0x52/0xb0 [ 450.950383] ? rcu_read_lock_sched_held+0x14f/0x180 [ 450.955392] __do_softirq+0x308/0xb7e [ 450.959225] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 450.963712] ? lock_downgrade+0x900/0x900 [ 450.967858] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 450.972962] ? pvclock_read_flags+0x160/0x160 [ 450.977456] ? lapic_next_event+0x5a/0x90 [ 450.981598] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.987133] ? kvm_clock_read+0x18/0x30 [ 450.991103] ? kvm_sched_clock_read+0x9/0x20 [ 450.995508] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 451.001039] ? check_preemption_disabled+0x48/0x280 [ 451.006057] irq_exit+0x17f/0x1c0 [ 451.009504] smp_apic_timer_interrupt+0x1cb/0x760 [ 451.014350] ? smp_reschedule_interrupt+0x109/0x650 [ 451.019378] ? smp_call_function_single_interrupt+0x650/0x650 [ 451.025261] ? interrupt_entry+0xb5/0xc0 [ 451.029325] ? trace_hardirqs_off_caller+0xbb/0x310 [ 451.034337] ? trace_hardirqs_off_caller+0xbb/0x310 [ 451.039346] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 451.044186] ? trace_hardirqs_on_caller+0x310/0x310 [ 451.049197] ? trace_hardirqs_on_caller+0x310/0x310 [ 451.054206] ? task_prio+0x50/0x50 [ 451.057742] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 451.063270] ? check_preemption_disabled+0x48/0x280 [ 451.068282] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 451.073134] apic_timer_interrupt+0xf/0x20 [ 451.077361] [ 451.079592] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 451.084779] Code: 00 e8 95 31 8e f9 e8 90 e2 bd f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d ea 90 8b 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d c0 90 [ 451.103671] RSP: 0000:ffff8801c4c0e140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 451.111405] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003afce19e [ 451.118681] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d7e70c7c [ 451.125962] RBP: ffff8801c4c0e168 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 451.133242] R10: 0000000000000000 R11: ffff8801d7e70400 R12: dffffc0000000000 [ 451.140503] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478 [ 451.147794] retint_kernel+0x1b/0x2d [ 451.151502] RIP: 0010:dump_stack+0x358/0x39d [ 451.155904] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 91 c1 00 fa 48 83 3d 99 b9 91 01 00 0f 84 63 fe ff ff e8 ee e6 bd f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 db e6 bd f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 451.174795] RSP: 0000:ffff8801c4c0e220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 451.182497] RAX: ffff8801d7e70400 RBX: 1ffffffff12a3e8e RCX: 1ffff1003afce19e [ 451.189759] RDX: 0000000000000000 RSI: ffffffff87c03ae2 RDI: 0000000000000293 [ 451.197018] RBP: ffff8801c4c0e2c8 R08: ffff8801d7e70cf0 R09: 0000000000000006 [ 451.204300] R10: 0000000000000000 R11: ffff8801d7e70400 R12: 1ffff10038981c4c [ 451.211564] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 451.218842] ? dump_stack+0x34f/0x39d [ 451.222656] ? dump_stack_print_info.cold.1+0x20/0x20 [ 451.227862] dump_header+0x27b/0xf72 [ 451.231579] ? mark_held_locks+0x130/0x130 [ 451.235809] ? pagefault_out_of_memory+0x197/0x197 [ 451.240740] ? __lock_acquire+0x62f/0x4c20 [ 451.244966] ? zap_class+0x640/0x640 [ 451.248675] ? percpu_ref_get_many+0x240/0x240 [ 451.253268] ? print_usage_bug+0xc0/0xc0 [ 451.257323] ? print_usage_bug+0xc0/0xc0 [ 451.261386] ? zap_class+0x640/0x640 [ 451.265181] ? print_usage_bug+0xc0/0xc0 [ 451.269235] ? print_usage_bug+0xc0/0xc0 [ 451.273296] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 451.278833] ? find_held_lock+0x36/0x1c0 [ 451.282894] ? mark_held_locks+0xc7/0x130 [ 451.287042] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 451.292146] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 451.297243] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 451.301831] ? trace_hardirqs_on+0xbd/0x310 [ 451.306151] ? kasan_check_read+0x11/0x20 [ 451.310290] ? ___ratelimit+0x3b4/0x672 [ 451.314261] ? trace_hardirqs_off_caller+0x310/0x310 [ 451.319362] ? trace_hardirqs_on+0x310/0x310 [ 451.323766] ? lock_downgrade+0x900/0x900 [ 451.327914] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 451.333009] ? ___ratelimit+0x3b9/0x672 [ 451.336977] ? idr_get_free+0xec0/0xec0 [ 451.340945] ? find_held_lock+0x36/0x1c0 [ 451.345013] oom_kill_process.cold.27+0x10/0x903 [ 451.349762] ? zap_class+0x640/0x640 [ 451.353473] ? check_preemption_disabled+0x48/0x280 [ 451.358487] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 451.363411] ? kasan_check_read+0x11/0x20 [ 451.367552] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 451.372835] ? oom_evaluate_task+0x540/0x540 [ 451.377241] ? find_held_lock+0x36/0x1c0 [ 451.381305] ? out_of_memory+0x974/0x1430 [ 451.385450] ? lock_downgrade+0x900/0x900 [ 451.389590] ? check_preemption_disabled+0x48/0x280 [ 451.394623] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 451.399544] ? kasan_check_read+0x11/0x20 [ 451.403689] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 451.408958] ? rcu_softirq_qs+0x20/0x20 [ 451.412927] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 451.418453] ? oom_evaluate_task+0x302/0x540 [ 451.422858] out_of_memory+0xa84/0x1430 [ 451.426834] ? oom_killer_disable+0x3a0/0x3a0 [ 451.431336] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 451.436259] ? __mutex_add_waiter+0x2a0/0x2a0 [ 451.440757] __alloc_pages_slowpath+0x22d4/0x2d70 [ 451.445626] ? warn_alloc+0x120/0x120 [ 451.449421] ? rcu_softirq_qs+0x20/0x20 [ 451.453418] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 451.458951] ? should_fail+0x22d/0xd01 [ 451.462834] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 451.467933] ? zap_class+0x640/0x640 [ 451.471679] ? __lock_is_held+0xb5/0x140 [ 451.475742] ? mark_held_locks+0x130/0x130 [ 451.479972] ? lock_release+0xa00/0xa00 [ 451.483941] ? perf_trace_sched_process_exec+0x860/0x860 [ 451.489412] ? __might_sleep+0x95/0x190 [ 451.493385] __alloc_pages_nodemask+0xa80/0xde0 [ 451.498055] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 451.503069] ? __page_cache_alloc+0x191/0x5c0 [ 451.507911] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 451.512839] ? kasan_check_read+0x11/0x20 [ 451.516985] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 451.522260] ? zap_class+0x640/0x640 [ 451.525976] ? zap_class+0x640/0x640 [ 451.529681] ? zap_class+0x640/0x640 [ 451.533388] ? __do_page_cache_readahead+0x7ce/0x980 [ 451.538490] ? find_held_lock+0x36/0x1c0 [ 451.542551] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 451.548089] alloc_pages_current+0x173/0x350 [ 451.552504] __page_cache_alloc+0x38c/0x5c0 [ 451.556819] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 451.561739] ? kasan_check_read+0x11/0x20 [ 451.565881] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 451.571156] ? generic_perform_write+0x6a0/0x6a0 [ 451.575909] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 451.581440] ? check_preemption_disabled+0x48/0x280 [ 451.586457] filemap_fault+0x1594/0x25f0 [ 451.590527] ? __lock_page_or_retry+0xa00/0xa00 [ 451.595191] ? mark_held_locks+0x130/0x130 [ 451.599443] ? rcu_softirq_qs+0x20/0x20 [ 451.603446] ? filemap_map_pages+0xe04/0x1990 [ 451.607948] ? __free_object+0x173/0x340 [ 451.612006] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 451.616944] ? trace_hardirqs_off_caller+0x310/0x310 [ 451.622046] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 451.626720] ? debug_object_free+0x32d/0x690 [ 451.631121] ? kasan_check_read+0x11/0x20 [ 451.635263] ? debug_object_destroy+0x2b0/0x2b0 [ 451.639929] ? lock_pi_update_atomic+0x150/0x150 [ 451.644677] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 451.650204] ? __hrtimer_init+0xdb/0x240 [ 451.654266] ? lock_acquire+0x1ed/0x520 [ 451.658233] ? ext4_filemap_fault+0x7a/0xad [ 451.662554] ? lock_release+0xa00/0xa00 [ 451.666525] ? perf_trace_sched_process_exec+0x860/0x860 [ 451.671972] ? print_usage_bug+0xc0/0xc0 [ 451.676528] ? print_usage_bug+0xc0/0xc0 [ 451.680599] ? down_read+0x8d/0x120 [ 451.684217] ? ext4_filemap_fault+0x7a/0xad [ 451.688531] ? __down_interruptible+0x700/0x700 [ 451.693201] ext4_filemap_fault+0x82/0xad [ 451.697347] __do_fault+0x100/0x6b0 [ 451.700987] ? pmd_devmap_trans_unstable+0x220/0x220 [ 451.706103] ? mark_held_locks+0x130/0x130 [ 451.710331] ? mark_held_locks+0x130/0x130 [ 451.714561] ? debug_smp_processor_id+0x1c/0x20 [ 451.719228] ? perf_trace_lock+0x14d/0x7a0 [ 451.723474] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 451.729009] __handle_mm_fault+0x307c/0x5920 [ 451.733419] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 451.738257] ? lock_is_held_type+0x210/0x210 [ 451.742692] ? zap_class+0x640/0x640 [ 451.746396] ? zap_class+0x640/0x640 [ 451.750105] ? __x64_sys_futex+0x53e/0x6a0 [ 451.754348] ? find_held_lock+0x36/0x1c0 [ 451.758410] ? handle_mm_fault+0x42a/0xc70 [ 451.762644] ? lock_downgrade+0x900/0x900 [ 451.766787] ? check_preemption_disabled+0x48/0x280 [ 451.771801] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 451.776720] ? kasan_check_read+0x11/0x20 [ 451.780865] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 451.786180] ? rcu_softirq_qs+0x20/0x20 [ 451.790158] ? trace_hardirqs_off_caller+0x310/0x310 [ 451.795258] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 451.800788] ? check_preemption_disabled+0x48/0x280 [ 451.805803] handle_mm_fault+0x54f/0xc70 [ 451.809861] ? __handle_mm_fault+0x5920/0x5920 [ 451.814439] ? find_vma+0x34/0x190 [ 451.817975] __do_page_fault+0x5e8/0xe60 [ 451.822031] ? trace_hardirqs_off+0xb8/0x310 [ 451.826434] ? __ia32_sys_read+0xb0/0xb0 [ 451.830502] do_page_fault+0xf2/0x7e0 [ 451.834296] ? vmalloc_sync_all+0x30/0x30 [ 451.838436] ? error_entry+0x70/0xd0 [ 451.842147] ? trace_hardirqs_off_caller+0xbb/0x310 [ 451.847156] ? trace_hardirqs_on_caller+0xc0/0x310 [ 451.852083] ? syscall_return_slowpath+0x5e0/0x5e0 [ 451.857001] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 451.861834] ? trace_hardirqs_on_caller+0x310/0x310 [ 451.866843] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 451.872289] ? prepare_exit_to_usermode+0x291/0x3b0 [ 451.877297] ? page_fault+0x8/0x30 [ 451.880830] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 451.885682] ? page_fault+0x8/0x30 [ 451.889213] page_fault+0x1e/0x30 [ 451.892662] RIP: 0033:0x45ddf3 [ 451.895864] Code: Bad RIP value. [ 451.899221] RSP: 002b:000000c4200206a0 EFLAGS: 00010206 [ 451.904585] RAX: ffffffffffffff92 RBX: 000000003b974269 RCX: 000000000045ddf3 [ 451.911847] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e1060 [ 451.919106] RBP: 000000c4200206e8 R08: 0000000000000000 R09: 0000000000000000 [ 451.926367] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001 [ 451.933628] R13: 0000000000000007 R14: 0000000000b7f720 R15: 000000000000bdf9 [ 451.940916] CPU: 0 PID: 17787 Comm: syz-executor0 Not tainted 4.19.0+ #72 [ 451.940939] warn_alloc_show_mem: 1 callbacks suppressed [ 451.940943] Mem-Info: [ 451.947838] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 451.953194] active_anon:46452 inactive_anon:2315 isolated_anon:0 [ 451.953194] active_file:13 inactive_file:13 isolated_file:0 [ 451.953194] unevictable:0 dirty:0 writeback:0 unstable:0 [ 451.953194] slab_reclaimable:9341 slab_unreclaimable:1470635 [ 451.953194] mapped:24578 shmem:7010 pagetables:528 bounce:0 [ 451.953194] free:13753 free_pcp:603 free_cma:0 [ 451.955571] Call Trace: [ 451.964938] Node 0 active_anon:185808kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:28040kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 451.997945] [ 452.000508] Node 0 [ 452.028071] dump_stack+0x244/0x39d [ 452.028089] ? dump_stack_print_info.cold.1+0x20/0x20 [ 452.030229] 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 [ 452.032439] warn_alloc.cold.117+0xb7/0x1bd [ 452.036027] lowmem_reserve[]: [ 452.041200] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 452.066666] 0 2818 [ 452.070981] ? lock_downgrade+0x900/0x900 [ 452.074049] 6321 6321 [ 452.078883] ? trace_hardirqs_off+0xb8/0x310 [ 452.081086] Node 0 [ 452.085221] ? trace_hardirqs_off+0xb8/0x310 [ 452.087710] DMA32 free:25180kB min:30052kB low:37564kB high:45076kB active_anon:2048kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 452.092089] __alloc_pages_slowpath+0x2660/0x2d70 [ 452.094286] lowmem_reserve[]: 0 [ 452.098725] ? warn_alloc+0x120/0x120 [ 452.125645] 0 3503 [ 452.130494] ? pvclock_read_flags+0x160/0x160 [ 452.133738] 3503 [ 452.137525] ? warn_alloc+0x120/0x120 [ 452.139762] Node 0 [ 452.144239] ? print_usage_bug+0xc0/0xc0 [ 452.146291] Normal free:13924kB min:37364kB low:46704kB high:56044kB active_anon:183760kB inactive_anon:9260kB active_file:52kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5536kB pagetables:2112kB bounce:0kB free_pcp:2164kB local_pcp:1336kB free_cma:0kB [ 452.150065] ? warn_alloc+0x120/0x120 [ 452.152269] lowmem_reserve[]: 0 [ 452.156321] ? print_usage_bug+0xc0/0xc0 [ 452.184825] 0 0 [ 452.188616] ? ktime_get+0x2c1/0x400 [ 452.191858] 0 [ 452.195909] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 452.197855] Node 0 [ 452.201558] ? check_preemption_disabled+0x48/0x280 [ 452.203323] DMA: 1*4kB [ 452.208850] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 452.211062] (U) [ 452.216077] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 452.218633] 0*8kB [ 452.223112] ? should_fail+0x22d/0xd01 [ 452.225063] 0*16kB [ 452.230584] ? kasan_check_read+0x11/0x20 [ 452.232704] 1*32kB (U) [ 452.236584] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 452.238788] 2*64kB (U) [ 452.242927] ? __lock_acquire+0x62f/0x4c20 [ 452.245503] 1*128kB (U) [ 452.250596] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 452.253163] 1*256kB [ 452.257388] ? should_fail+0x22d/0xd01 [ 452.260026] (U) 0*512kB [ 452.265126] ? print_usage_bug+0xc0/0xc0 [ 452.267416] 1*1024kB (U) [ 452.271300] ? mark_held_locks+0x130/0x130 [ 452.273934] 1*2048kB (M) [ 452.278009] ? mark_held_locks+0x130/0x130 [ 452.280739] 3*4096kB [ 452.284958] ? check_preemption_disabled+0x48/0x280 [ 452.287678] (M) = 15908kB [ 452.291910] ? zap_class+0x640/0x640 [ 452.294288] Node 0 [ 452.299303] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 452.302027] DMA32: [ 452.305730] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 452.307943] 5*4kB [ 452.312683] ? check_preemption_disabled+0x48/0x280 [ 452.314891] (UM) [ 452.320416] ? __lock_is_held+0xb5/0x140 [ 452.322544] 1*8kB [ 452.327555] __alloc_pages_nodemask+0xa80/0xde0 [ 452.329584] (H) [ 452.333628] ? zap_class+0x640/0x640 [ 452.335746] 2*16kB (M) [ 452.340407] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 452.342348] 3*32kB (M) [ 452.346073] ? find_held_lock+0x36/0x1c0 [ 452.348621] 3*64kB (MH) [ 452.353635] ? ____cache_alloc_node+0x1c7/0x1e0 [ 452.356182] 4*128kB (M) [ 452.360232] ? lock_downgrade+0x900/0x900 [ 452.362876] 5*256kB [ 452.367540] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 452.370173] (UMH) [ 452.374306] cache_grow_begin+0xa5/0x8c0 [ 452.376605] 5*512kB [ 452.382137] ? do_raw_spin_unlock+0xa7/0x330 [ 452.384255] (UMH) [ 452.388302] fallback_alloc+0x204/0x2e0 [ 452.390590] 4*1024kB (UMH) [ 452.394993] ____cache_alloc_node+0x1c7/0x1e0 [ 452.397114] 2*2048kB (UM) [ 452.401084] kmem_cache_alloc_node+0xe3/0x730 [ 452.403987] 3*4096kB (M) [ 452.408485] ? lockdep_hardirqs_on+0x296/0x5b0 [ 452.411306] = 25180kB [ 452.411313] Node 0 [ 452.415795] __alloc_skb+0x119/0x770 [ 452.418532] Normal: 1917*4kB [ 452.423106] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 452.425483] (UME) [ 452.427705] ? netdev_alloc_frag+0x1f0/0x1f0 [ 452.431389] 392*8kB [ 452.434482] ? vprintk_default+0x28/0x30 [ 452.439811] (UME) [ 452.441955] ? vprintk_func+0x85/0x181 [ 452.446334] 105*16kB (UME) [ 452.448653] ? printk+0xa7/0xcf [ 452.452683] 43*32kB (UM) [ 452.454835] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 452.458689] 1*64kB (U) [ 452.461627] new_skb+0x26/0x1c0 [ 452.464867] 0*128kB 0*256kB [ 452.467623] aoecmd_cfg+0x279/0x7f0 [ 452.472346] 0*512kB 0*1024kB [ 452.474925] ? find_held_lock+0x36/0x1c0 [ 452.478184] 0*2048kB [ 452.481191] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 452.484784] 0*4096kB = 13924kB [ 452.487886] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 452.491925] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 452.494322] ? __lock_is_held+0xb5/0x140 [ 452.498614] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 452.501796] discover_timer+0x50/0x60 [ 452.507298] 7036 total pagecache pages [ 452.516133] call_timer_fn+0x272/0x920 [ 452.520180] 0 pages in swap cache [ 452.528739] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 452.532518] Swap cache stats: add 0, delete 0, find 0/0 [ 452.536407] ? process_timeout+0x40/0x40 [ 452.540263] Free swap = 0kB [ 452.543707] ? __run_timers+0x7da/0xc70 [ 452.548518] Total swap = 0kB [ 452.553871] ? _raw_spin_unlock_irq+0x27/0x80 [ 452.557902] 1965979 pages RAM [ 452.560917] ? _raw_spin_unlock_irq+0x27/0x80 [ 452.564859] 0 pages HighMem/MovableOnly [ 452.567874] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 452.572334] 342867 pages reserved [ 452.572341] 0 pages cma reserved [ 452.575542] ? lockdep_hardirqs_on+0x296/0x5b0 [ 452.580141] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 452.583968] ? trace_hardirqs_on+0xbd/0x310 [ 452.588781] syz-fuzzer cpuset= [ 452.592214] ? kasan_check_read+0x11/0x20 [ 452.592229] ? __run_timers+0x7da/0xc70 [ 452.595565] / [ 452.600131] ? trace_hardirqs_off_caller+0x310/0x310 [ 452.610326] mems_allowed=0 [ 452.614645] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 452.640426] __run_timers+0x7e5/0xc70 [ 452.644234] ? timer_fixup_init+0x70/0x70 [ 452.648374] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 452.653383] ? zap_class+0x640/0x640 [ 452.657101] ? enqueue_hrtimer+0x1a5/0x560 [ 452.661343] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 452.666546] ? find_held_lock+0x36/0x1c0 [ 452.670603] ? zap_class+0x640/0x640 [ 452.674318] ? pvclock_read_flags+0x160/0x160 [ 452.678809] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 452.684339] ? check_preemption_disabled+0x48/0x280 [ 452.689355] ? __lock_is_held+0xb5/0x140 [ 452.693418] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 452.698947] ? check_preemption_disabled+0x48/0x280 [ 452.703960] run_timer_softirq+0x52/0xb0 [ 452.708029] ? rcu_read_lock_sched_held+0x14f/0x180 [ 452.713039] __do_softirq+0x308/0xb7e [ 452.716838] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 452.721325] ? lock_downgrade+0x900/0x900 [ 452.725479] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 452.730585] ? pvclock_read_flags+0x160/0x160 [ 452.735105] ? lapic_next_event+0x5a/0x90 [ 452.739251] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 452.744782] ? kvm_clock_read+0x18/0x30 [ 452.748749] ? kvm_sched_clock_read+0x9/0x20 [ 452.753149] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 452.758679] ? check_preemption_disabled+0x48/0x280 [ 452.763691] irq_exit+0x17f/0x1c0 [ 452.767158] smp_apic_timer_interrupt+0x1cb/0x760 [ 452.771997] ? smp_reschedule_interrupt+0x109/0x650 [ 452.777006] ? smp_call_function_single_interrupt+0x650/0x650 [ 452.782887] ? interrupt_entry+0xb5/0xc0 [ 452.786941] ? trace_hardirqs_off_caller+0xbb/0x310 [ 452.791951] ? trace_hardirqs_off_caller+0xbb/0x310 [ 452.796960] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 452.801794] ? trace_hardirqs_on_caller+0x310/0x310 [ 452.806798] ? trace_hardirqs_on_caller+0x310/0x310 [ 452.811811] ? task_prio+0x50/0x50 [ 452.815346] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 452.820872] ? check_preemption_disabled+0x48/0x280 [ 452.825883] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 452.830743] apic_timer_interrupt+0xf/0x20 [ 452.834979] [ 452.837210] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 452.842140] Code: 7e 0f 85 cf fe ff ff e8 f6 d7 3f ff e9 c5 fe ff ff e8 4d a2 c3 ff 48 83 3d a5 50 91 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 6a b1 [ 452.861029] RSP: 0000:ffff88019c63f740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 452.868732] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 452.875991] RDX: 0000000000000000 RSI: ffff8801929e68c0 RDI: 0000000000000286 [ 452.883251] RBP: ffff88019c63f7a8 R08: ffff8801929e6040 R09: 0000000000000000 [ 452.890529] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 452.897879] R13: ffff8801d9a05040 R14: ffff8801d9a05040 R15: 0000000000480020 [ 452.905182] skb_clone+0x1bb/0x500 [ 452.908717] ? finish_task_switch+0x2f4/0x910 [ 452.913233] ? skb_split+0x11e0/0x11e0 [ 452.917127] ? preempt_notifier_register+0x200/0x200 [ 452.922223] ? __switch_to_asm+0x34/0x70 [ 452.926275] ? __switch_to_asm+0x34/0x70 [ 452.930332] ? __switch_to_asm+0x40/0x70 [ 452.934384] ? __switch_to_asm+0x34/0x70 [ 452.938438] ? __switch_to_asm+0x40/0x70 [ 452.942501] ? __switch_to_asm+0x34/0x70 [ 452.946556] ? __switch_to_asm+0x40/0x70 [ 452.950608] ? __switch_to_asm+0x34/0x70 [ 452.954663] ? __switch_to_asm+0x34/0x70 [ 452.958719] ? __switch_to_asm+0x40/0x70 [ 452.962782] ? __switch_to_asm+0x34/0x70 [ 452.966844] bpf_clone_redirect+0xb9/0x490 [ 452.971074] ? __schedule+0x8d7/0x21d0 [ 452.974962] bpf_prog_bebbfe2050753572+0x325/0x1000 [ 452.980000] ? __sched_text_start+0x8/0x8 [ 452.984153] ? find_held_lock+0x36/0x1c0 [ 452.988213] ? lock_acquire+0x1ed/0x520 [ 452.992182] ? bpf_test_run+0x3cb/0x780 [ 452.996169] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 453.001699] ? check_preemption_disabled+0x48/0x280 [ 453.006712] ? kasan_check_read+0x11/0x20 [ 453.010868] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 453.016138] ? rcu_softirq_qs+0x20/0x20 [ 453.020108] ? preempt_schedule+0x4d/0x60 [ 453.024248] ? ___preempt_schedule+0x16/0x18 [ 453.028655] ? bpf_test_run+0x25d/0x780 [ 453.032636] ? netlink_diag_dump+0x2a0/0x2a0 [ 453.037043] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 453.042576] ? bpf_test_init.isra.10+0x70/0x100 [ 453.047245] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 453.052001] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 453.056834] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 453.062363] ? fput+0x130/0x1a0 [ 453.065637] ? __bpf_prog_get+0x9b/0x290 [ 453.069696] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 453.074534] ? bpf_prog_test_run+0x130/0x1a0 [ 453.078938] ? __x64_sys_bpf+0x3d8/0x520 [ 453.082990] ? bpf_prog_get+0x20/0x20 [ 453.086801] ? do_syscall_64+0x1b9/0x820 [ 453.090859] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 453.096214] ? syscall_return_slowpath+0x5e0/0x5e0 [ 453.101134] ? trace_hardirqs_on_caller+0x310/0x310 [ 453.106165] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 453.111176] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 453.117848] ? __switch_to_asm+0x40/0x70 [ 453.121902] ? __switch_to_asm+0x34/0x70 [ 453.125961] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 453.130814] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 453.136186] CPU: 1 PID: 5375 Comm: syz-fuzzer Not tainted 4.19.0+ #72 [ 453.136244] aoe: skb alloc failure [ 453.142750] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 453.142754] Call Trace: [ 453.142758] [ 453.142772] dump_stack+0x244/0x39d [ 453.142787] ? dump_stack_print_info.cold.1+0x20/0x20 [ 453.146319] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 453.155642] warn_alloc.cold.117+0xb7/0x1bd [ 453.158197] syz-executor0 cpuset= [ 453.160331] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 453.163926] syz0 [ 453.169119] ? lock_downgrade+0x900/0x900 [ 453.179709] mems_allowed=0 [ 453.184026] ? trace_hardirqs_off+0xb8/0x310 [ 453.205820] ? trace_hardirqs_off+0xb8/0x310 [ 453.210241] __alloc_pages_slowpath+0x2660/0x2d70 [ 453.215106] ? warn_alloc+0x120/0x120 [ 453.218921] ? warn_alloc+0x120/0x120 [ 453.222716] ? print_usage_bug+0xc0/0xc0 [ 453.226769] ? warn_alloc+0x120/0x120 [ 453.230581] ? print_usage_bug+0xc0/0xc0 [ 453.234644] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 453.240177] ? should_fail+0x22d/0xd01 [ 453.244060] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 453.249159] ? __lock_acquire+0x62f/0x4c20 [ 453.253393] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 453.258490] ? __lock_acquire+0x62f/0x4c20 [ 453.262717] ? should_fail+0x22d/0xd01 [ 453.266606] ? mark_held_locks+0x130/0x130 [ 453.270835] ? mark_held_locks+0x130/0x130 [ 453.275064] ? zap_class+0x640/0x640 [ 453.278770] ? print_usage_bug+0xc0/0xc0 [ 453.282847] ? find_held_lock+0x36/0x1c0 [ 453.286905] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 453.292438] ? check_preemption_disabled+0x48/0x280 [ 453.297468] ? __lock_is_held+0xb5/0x140 [ 453.301532] __alloc_pages_nodemask+0xa80/0xde0 [ 453.306191] ? zap_class+0x640/0x640 [ 453.309902] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 453.314923] ? find_held_lock+0x36/0x1c0 [ 453.318990] ? ____cache_alloc_node+0x1c7/0x1e0 [ 453.323654] ? lock_downgrade+0x900/0x900 [ 453.327800] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 453.333333] cache_grow_begin+0xa5/0x8c0 [ 453.337392] ? do_raw_spin_unlock+0xa7/0x330 [ 453.341820] fallback_alloc+0x204/0x2e0 [ 453.345796] ____cache_alloc_node+0x1c7/0x1e0 [ 453.350288] kmem_cache_alloc_node+0xe3/0x730 [ 453.354783] ? ipv6_get_ifaddr+0x42e/0x620 [ 453.359021] __alloc_skb+0x119/0x770 [ 453.362731] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 453.368003] ? netdev_alloc_frag+0x1f0/0x1f0 [ 453.372407] ? lock_downgrade+0x900/0x900 [ 453.376556] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 453.382086] ? refcount_sub_and_test_checked+0x203/0x310 [ 453.387553] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 453.392997] ? addrconf_rs_timer+0x690/0x690 [ 453.397409] ndisc_alloc_skb+0x144/0x340 [ 453.401476] ndisc_send_rs+0x331/0x6e0 [ 453.405360] addrconf_rs_timer+0x314/0x690 [ 453.409590] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 453.413827] call_timer_fn+0x272/0x920 [ 453.417722] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 453.421969] ? process_timeout+0x40/0x40 [ 453.426034] ? mark_held_locks+0xc7/0x130 [ 453.430178] ? _raw_spin_unlock_irq+0x27/0x80 [ 453.434666] ? _raw_spin_unlock_irq+0x27/0x80 [ 453.439149] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 453.443373] ? lockdep_hardirqs_on+0x296/0x5b0 [ 453.447950] ? trace_hardirqs_on+0xbd/0x310 [ 453.452267] ? kasan_check_read+0x11/0x20 [ 453.456407] ? __run_timers+0x7da/0xc70 [ 453.460385] ? trace_hardirqs_off_caller+0x310/0x310