5331] ? pmd_val+0x88/0x100 [ 218.228812] ? add_mm_counter_fast+0xd0/0xd0 [ 218.233222] ? pmd_val+0x88/0x100 [ 218.236685] ? add_mm_counter_fast+0xd0/0xd0 [ 218.241127] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 218.246673] __handle_mm_fault+0x3709/0x53e0 [ 218.251236] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 218.256072] ? kasan_check_write+0x14/0x20 [ 218.260320] ? do_raw_spin_lock+0xc1/0x200 [ 218.264555] ? _raw_spin_unlock_irq+0x60/0x80 [ 218.269056] ? __set_current_blocked+0xe4/0x120 [ 218.273731] ? lock_acquire+0x1ed/0x520 [ 218.277722] ? handle_mm_fault+0x42a/0xc70 [ 218.281973] ? lock_downgrade+0x900/0x900 [ 218.286124] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 218.291917] ? __do_page_fault+0x67d/0xed0 [ 218.296147] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 218.301594] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 218.307162] ? check_preemption_disabled+0x48/0x200 [ 218.312174] handle_mm_fault+0x54f/0xc70 [ 218.316235] ? __handle_mm_fault+0x53e0/0x53e0 [ 218.320823] ? find_vma+0x34/0x190 [ 218.324359] __do_page_fault+0x67d/0xed0 [ 218.328421] ? mm_fault_error+0x380/0x380 [ 218.332571] ? syscall_slow_exit_work+0x520/0x520 [ 218.337421] do_page_fault+0xf2/0x7e0 [ 218.341225] ? vmalloc_sync_all+0x30/0x30 [ 218.345370] ? error_entry+0x70/0xd0 [ 218.349086] ? trace_hardirqs_off_caller+0xbb/0x310 [ 218.354097] ? trace_hardirqs_on_caller+0xc0/0x310 [ 218.359025] ? syscall_return_slowpath+0x5e0/0x5e0 [ 218.363964] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 218.368822] ? trace_hardirqs_on_caller+0x310/0x310 [ 218.373834] ? trace_hardirqs_off+0x310/0x310 [ 218.378330] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 218.383343] ? prepare_exit_to_usermode+0x291/0x3b0 [ 218.388353] ? page_fault+0x8/0x30 [ 218.391888] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 218.396733] ? page_fault+0x8/0x30 [ 218.400286] page_fault+0x1e/0x30 [ 218.403737] RIP: 0033:0x45db60 [ 218.406945] Code: Bad RIP value. [ 218.410303] RSP: 002b:000000c420049ab8 EFLAGS: 00010286 [ 218.415662] RAX: 0000000000000000 RBX: 000000c420026380 RCX: 000000000045ddf3 [ 218.422924] RDX: 000000c420049ac0 RSI: 000000c420049bf0 RDI: 0000000000000011 [ 218.430220] RBP: 000000c420022f08 R08: 0000000000000000 R09: 0000000000000000 [ 218.437494] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42005c168 [ 218.444782] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000 [ 218.452062] CPU: 0 PID: 7800 Comm: syz-executor2 Not tainted 4.19.0-rc6+ #119 [ 218.452124] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 218.459339] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 218.459343] Call Trace: [ 218.459348] [ 218.459362] dump_stack+0x1c4/0x2b4 [ 218.459394] ? dump_stack_print_info.cold.2+0x52/0x52 [ 218.465909] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 218.475243] warn_alloc.cold.119+0xb7/0x1bd [ 218.477826] syz-fuzzer cpuset= [ 218.479995] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 218.483591] / [ 218.488773] ? lock_downgrade+0x900/0x900 [ 218.498973] mems_allowed=0 [ 218.503283] ? trace_hardirqs_off+0xb8/0x310 [ 218.524423] ? trace_hardirqs_off+0xb8/0x310 [ 218.528832] __alloc_pages_slowpath+0x2667/0x2d80 [ 218.533697] ? warn_alloc+0x120/0x120 [ 218.537524] ? warn_alloc+0x120/0x120 [ 218.541319] ? warn_alloc+0x120/0x120 [ 218.545112] ? mark_held_locks+0x130/0x130 [ 218.549341] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 218.554526] ? trace_hardirqs_on+0x310/0x310 [ 218.559023] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 218.564585] ? should_fail+0x22d/0xd01 [ 218.568470] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 218.573568] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 218.579093] ? should_fail+0x22d/0xd01 [ 218.583008] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 218.588116] ? should_fail+0x22d/0xd01 [ 218.592010] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 218.597110] ? mark_held_locks+0x130/0x130 [ 218.601339] ? mark_held_locks+0x130/0x130 [ 218.605577] ? get_stack_info+0x37/0x142 [ 218.609632] ? update_stack_state+0x1a5/0x690 [ 218.614171] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 218.619214] ? bpf_prog_kallsyms_find+0xde/0x4a0 [ 218.623969] ? is_bpf_text_address+0xac/0x170 [ 218.628465] __alloc_pages_nodemask+0xa80/0xde0 [ 218.633128] ? should_fail+0x22d/0xd01 [ 218.637037] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 218.642047] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 218.647334] ? ____cache_alloc_node+0x1c7/0x1e0 [ 218.651997] ? lock_downgrade+0x900/0x900 [ 218.656153] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 218.661687] cache_grow_begin+0x91/0x8c0 [ 218.665768] ? do_raw_spin_unlock+0xa7/0x2f0 [ 218.670174] fallback_alloc+0x203/0x2e0 [ 218.674163] ____cache_alloc_node+0x1c7/0x1e0 [ 218.678657] __kmalloc+0x208/0x760 [ 218.682207] ? update_stack_state+0x1a5/0x690 [ 218.686724] ? __neigh_create+0x30b/0x2130 [ 218.690956] __neigh_create+0x30b/0x2130 [ 218.695034] ? is_bpf_text_address+0xac/0x170 [ 218.699541] ? trace_hardirqs_on+0xbd/0x310 [ 218.703871] ? mark_held_locks+0x130/0x130 [ 218.708101] ? neigh_hash_alloc+0x1e0/0x1e0 [ 218.712417] ? trace_hardirqs_on+0xbd/0x310 [ 218.716736] ? ip6t_do_table+0xd9e/0x1d30 [ 218.720885] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 218.726336] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 218.731905] ? ip6t_do_table+0xd6a/0x1d30 [ 218.736055] ? lock_acquire+0x1ed/0x520 [ 218.740024] ? ip6_finish_output2+0x257/0x27a0 [ 218.744616] ? lock_release+0x970/0x970 [ 218.748593] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 218.753782] ip6_finish_output2+0xa59/0x27a0 [ 218.758197] ? ip6_copy_metadata+0xe30/0xe30 [ 218.762599] ? ip6_mtu+0x39c/0x520 [ 218.766161] ? lock_downgrade+0x900/0x900 [ 218.770328] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 218.776128] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 218.781668] ? ipv6_confirm+0x46e/0x650 [ 218.785635] ? ipv6_helper+0x3ab/0x540 [ 218.789513] ? ipv6_helper+0x540/0x540 [ 218.793466] ? ip6_mtu+0x160/0x520 [ 218.797047] ? dst_hold+0x2f0/0x2f0 [ 218.800673] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 218.806217] ip6_finish_output+0x5fe/0xbc0 [ 218.810448] ? ip6_finish_output+0x5fe/0xbc0 [ 218.814862] ip6_output+0x232/0x9d0 [ 218.818496] ? ip6_finish_output+0xbc0/0xbc0 [ 218.822959] ? ip6_fragment+0x38e0/0x38e0 [ 218.827105] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 218.832641] ndisc_send_skb+0x1005/0x1570 [ 218.836797] ? ndisc_constructor+0xc40/0xc40 [ 218.841223] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 218.846783] ? refcount_sub_and_test_checked+0x203/0x310 [ 218.852228] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 218.857725] ndisc_send_rs+0x134/0x6e0 [ 218.861608] addrconf_rs_timer+0x314/0x690 [ 218.865857] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 218.870096] call_timer_fn+0x272/0x920 [ 218.874005] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 218.878233] ? process_timeout+0x40/0x40 [ 218.882285] ? trace_hardirqs_off+0xb8/0x310 [ 218.886682] ? kasan_check_read+0x11/0x20 [ 218.890861] ? do_raw_spin_unlock+0xa7/0x2f0 [ 218.895285] ? trace_hardirqs_on+0x310/0x310 [ 218.899723] ? __run_timers+0x7da/0xc70 [ 218.903694] ? lock_downgrade+0x900/0x900 [ 218.907848] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 218.913060] ? trace_hardirqs_on+0xbd/0x310 [ 218.917374] ? kasan_check_read+0x11/0x20 [ 218.921515] ? __run_timers+0x7da/0xc70 [ 218.925481] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 218.930926] ? kasan_check_write+0x14/0x20 [ 218.935158] ? do_raw_spin_lock+0xc1/0x200 [ 218.939389] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 218.943616] __run_timers+0x7e5/0xc70 [ 218.947944] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 218.953302] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 218.958310] ? timerqueue_add+0x207/0x2b0 [ 218.962449] ? enqueue_hrtimer+0x1a5/0x560 [ 218.966675] ? lock_release+0x970/0x970 [ 218.970653] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 218.975848] ? kasan_check_write+0x14/0x20 [ 218.980096] ? pvclock_read_flags+0x160/0x160 [ 218.984587] ? lock_downgrade+0x900/0x900 [ 218.988768] ? trace_hardirqs_on+0xbd/0x310 [ 218.993098] ? kvm_sched_clock_read+0x9/0x20 [ 218.997509] ? irq_exit+0x17f/0x1c0 [ 219.001146] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 219.006675] ? check_preemption_disabled+0x48/0x200 [ 219.011692] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 219.017258] run_timer_softirq+0x52/0xb0 [ 219.021353] ? __this_cpu_preempt_check+0x1c/0x1f [ 219.026226] __do_softirq+0x30b/0xad8 [ 219.030044] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 219.035187] ? pvclock_read_flags+0x160/0x160 [ 219.039683] ? lapic_next_event+0x5a/0x90 [ 219.043852] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 219.049385] ? clockevents_program_event+0x140/0x370 [ 219.054487] ? kvm_clock_read+0x18/0x30 [ 219.058457] ? kvm_sched_clock_read+0x9/0x20 [ 219.062865] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 219.068393] ? check_preemption_disabled+0x48/0x200 [ 219.073443] irq_exit+0x17f/0x1c0 [ 219.076892] smp_apic_timer_interrupt+0x1cb/0x760 [ 219.081903] ? smp_reschedule_interrupt+0x109/0x650 [ 219.086926] ? smp_call_function_single_interrupt+0x650/0x650 [ 219.092833] ? interrupt_entry+0xb5/0xf0 [ 219.096916] ? trace_hardirqs_off_caller+0xbb/0x310 [ 219.101950] ? trace_hardirqs_off_caller+0xbb/0x310 [ 219.106983] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 219.111822] ? trace_hardirqs_on_caller+0x310/0x310 [ 219.116834] ? trace_hardirqs_on_caller+0x310/0x310 [ 219.121847] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 219.127463] ? check_preemption_disabled+0x48/0x200 [ 219.132476] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 219.137317] apic_timer_interrupt+0xf/0x20 [ 219.141536] [ 219.143778] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 219.149670] Code: 3f 7e 0f 85 32 ff ff ff e8 53 4a 3e ff e9 28 ff ff ff e8 ba ad c2 ff 48 83 3d 0a bf 6f 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 62 23 [ 219.168574] RSP: 0018:ffff88019a29f4a8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 219.176303] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000627e000 [ 219.183560] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 219.190819] RBP: ffff88019a29f520 R08: ffff8801ba14e480 R09: fffffbfff12720c0 [ 219.198128] R10: ffff88019a29e0f0 R11: ffffffff89390603 R12: ffff8801da800ac0 [ 219.205387] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286 [ 219.212660] ? trace_hardirqs_on+0xb4/0x310 [ 219.216981] ? save_stack+0xa9/0xd0 [ 219.220616] __kmalloc_node_track_caller+0x33/0x70 [ 219.225545] __kmalloc_reserve.isra.39+0xcc/0xe0 [ 219.230330] pskb_expand_head+0x230/0x10f0 [ 219.234556] ? lock_downgrade+0x900/0x900 [ 219.238693] ? check_preemption_disabled+0x48/0x200 [ 219.243746] ? memcpy+0x45/0x50 [ 219.247021] ? __copy_skb_header+0x350/0x6b0 [ 219.251439] ? __pskb_copy_fclone+0xeb0/0xeb0 [ 219.255940] ? skb_checksum+0x140/0x140 [ 219.259910] ? trace_hardirqs_on+0xbd/0x310 [ 219.264224] ? skb_clone+0x1bb/0x500 [ 219.267934] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 219.273392] ? kasan_unpoison_shadow+0x35/0x50 [ 219.277971] ? kasan_check_write+0x14/0x20 [ 219.282230] ? __skb_clone+0x6c7/0xa00 [ 219.286146] ? __copy_skb_header+0x6b0/0x6b0 [ 219.290545] ? kmem_cache_alloc+0x306/0x730 [ 219.294896] skb_ensure_writable+0x3dd/0x640 [ 219.299326] ? skb_cow_data+0xf10/0xf10 [ 219.303298] ? check_preemption_disabled+0x48/0x200 [ 219.308309] ? __this_cpu_preempt_check+0x1c/0x1f [ 219.313141] ? __bpf_redirect+0x54b/0xb20 [ 219.317279] ? __switch_to_asm+0x34/0x70 [ 219.321336] bpf_clone_redirect+0x14a/0x490 [ 219.325656] bpf_prog_3d1649e183dc2cc1+0xca3/0x1000 [ 219.330679] ? __sched_text_start+0x8/0x8 [ 219.334838] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 219.339615] ? retint_kernel+0x2d/0x2d [ 219.343516] ? trace_hardirqs_on_caller+0xc0/0x310 [ 219.348440] ? retint_kernel+0x2d/0x2d [ 219.352324] ? trace_hardirqs_on_caller+0xc0/0x310 [ 219.357288] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 219.362039] ? trace_hardirqs_off+0x310/0x310 [ 219.366545] ? retint_kernel+0x1b/0x2d [ 219.370449] ? lock_acquire+0x1ed/0x520 [ 219.374419] ? bpf_test_run+0x3cb/0x780 [ 219.378429] ? lock_downgrade+0x900/0x900 [ 219.382576] ? lock_release+0x970/0x970 [ 219.386544] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 219.392347] ? preempt_schedule_common+0x1f/0xd0 [ 219.397133] ? preempt_schedule+0x4d/0x60 [ 219.401286] ? ___preempt_schedule+0x16/0x18 [ 219.405827] ? bpf_test_run+0x25d/0x780 [ 219.409845] ? netlink_diag_dump+0x2a0/0x2a0 [ 219.414251] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 219.419789] ? bpf_test_init.isra.9+0x70/0x100 [ 219.424371] ? bpf_prog_test_run_skb+0x634/0xb40 [ 219.429138] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 219.434010] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 219.439607] ? fput+0x130/0x1a0 [ 219.442884] ? __bpf_prog_get+0x9b/0x290 [ 219.446957] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 219.451845] ? bpf_prog_test_run+0x130/0x1a0 [ 219.456302] ? __x64_sys_bpf+0x3d8/0x510 [ 219.460375] ? bpf_prog_get+0x20/0x20 [ 219.464185] ? __x64_sys_futex+0x4bc/0x6a0 [ 219.468415] ? do_syscall_64+0x1b9/0x820 [ 219.472469] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 219.477922] ? syscall_return_slowpath+0x5e0/0x5e0 [ 219.482851] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 219.487711] ? trace_hardirqs_on_caller+0x310/0x310 [ 219.492753] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 219.497789] ? prepare_exit_to_usermode+0x291/0x3b0 [ 219.502826] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 219.507674] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 219.513042] warn_alloc_show_mem: 1 callbacks suppressed [ 219.513053] CPU: 1 PID: 5806 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #119 [ 219.513055] Mem-Info: [ 219.513083] active_anon:46475 inactive_anon:4207 isolated_anon:0 [ 219.513083] active_file:17 inactive_file:13 isolated_file:0 [ 219.513083] unevictable:0 dirty:0 writeback:0 unstable:0 [ 219.513083] slab_reclaimable:8782 slab_unreclaimable:1485678 [ 219.513083] mapped:8194 shmem:4214 pagetables:396 bounce:0 [ 219.513083] free:13756 free_pcp:276 free_cma:0 [ 219.518451] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 219.525490] Node 0 active_anon:185900kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32776kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 219.527898] Call Trace: [ 219.561021] Node 0 [ 219.570360] [ 219.598218] 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 [ 219.600775] dump_stack+0x1c4/0x2b4 [ 219.603007] lowmem_reserve[]: [ 219.605202] ? dump_stack_print_info.cold.2+0x52/0x52 [ 219.630703] 0 [ 219.634343] warn_alloc.cold.119+0xb7/0x1bd [ 219.637422] 2819 [ 219.642601] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 219.644376] 6323 [ 219.648686] ? lock_downgrade+0x900/0x900 [ 219.650734] 6323 [ 219.655566] ? trace_hardirqs_off+0xb8/0x310 [ 219.661824] ? trace_hardirqs_off+0xb8/0x310 [ 219.663863] Node 0 [ 219.668266] __alloc_pages_slowpath+0x2667/0x2d80 [ 219.672685] DMA32 free:25168kB min:30060kB low:37572kB high:45084kB active_anon:10240kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 219.674900] ? warn_alloc+0x120/0x120 [ 219.679722] lowmem_reserve[]: [ 219.706971] ? warn_alloc+0x120/0x120 [ 219.710750] 0 [ 219.713846] ? warn_alloc+0x120/0x120 [ 219.717620] 0 [ 219.719426] ? mark_held_locks+0x130/0x130 [ 219.723311] 3503 [ 219.725110] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 219.729320] 3503 [ 219.731381] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 219.738966] ? should_fail+0x22d/0xd01 [ 219.744484] Node 0 Normal free:13948kB min:37352kB low:46688kB high:56024kB active_anon:175660kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5056kB pagetables:1584kB bounce:0kB free_pcp:856kB local_pcp:320kB free_cma:0kB [ 219.748440] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 219.748456] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 219.777486] lowmem_reserve[]: 0 [ 219.782587] ? should_fail+0x22d/0xd01 [ 219.788111] 0 [ 219.791396] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 219.795291] 0 [ 219.797086] ? should_fail+0x22d/0xd01 [ 219.802160] 0 [ 219.803956] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 219.809656] ? mark_held_locks+0x130/0x130 [ 219.814735] Node 0 DMA: [ 219.818970] ? mark_held_locks+0x130/0x130 [ 219.818985] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 219.821633] 1*4kB [ 219.825858] ? trace_hardirqs_off+0xb8/0x310 [ 219.831365] (U) [ 219.833502] ? kasan_check_read+0x11/0x20 [ 219.837887] 0*8kB [ 219.839856] ? do_raw_spin_unlock+0xa7/0x2f0 [ 219.843981] 0*16kB [ 219.846135] ? trace_hardirqs_on+0x310/0x310 [ 219.850524] 1*32kB [ 219.852757] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 219.857153] (U) [ 219.859417] ? wq_watchdog_touch+0x9c/0xfe [ 219.864936] 2*64kB [ 219.866918] ? io_serial_in+0x11/0x90 [ 219.871137] (U) [ 219.873374] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 219.877157] 1*128kB [ 219.879143] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 219.884652] (U) [ 219.886980] __alloc_pages_nodemask+0xa80/0xde0 [ 219.892050] 1*256kB [ 219.894030] ? should_fail+0x22d/0xd01 [ 219.898712] (U) [ 219.901029] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 219.904893] 0*512kB [ 219.906872] ? ____cache_alloc_node+0x1c7/0x1e0 [ 219.911853] 1*1024kB [ 219.914167] ? lock_downgrade+0x900/0x900 [ 219.918807] (U) [ 219.921227] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 219.925351] 1*2048kB [ 219.927319] cache_grow_begin+0x91/0x8c0 [ 219.932856] (M) [ 219.935307] ? do_raw_spin_unlock+0xa7/0x2f0 [ 219.939359] 3*4096kB [ 219.941338] fallback_alloc+0x203/0x2e0 [ 219.945730] (M) [ 219.948174] ____cache_alloc_node+0x1c7/0x1e0 [ 219.952128] = 15908kB [ 219.954094] kmem_cache_alloc_node+0xe3/0x730 [ 219.958567] Node 0 [ 219.960977] ? ipv6_get_ifaddr+0x42e/0x620 [ 219.965448] DMA32: [ 219.967678] __alloc_skb+0x119/0x770 [ 219.971895] 2*4kB [ 219.974127] ? skb_scrub_packet+0x490/0x490 [ 219.977823] (M) [ 219.979966] ? lock_downgrade+0x900/0x900 [ 219.984261] 1*8kB [ 219.986230] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 219.990346] (M) [ 219.992495] ? refcount_sub_and_test_checked+0x203/0x310 [ 219.998033] 2*16kB [ 220.000032] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 220.005467] (M) [ 220.007740] ? addrconf_rs_timer+0x690/0x690 [ 220.013163] 3*32kB (MH) [ 220.015140] ndisc_alloc_skb+0x144/0x340 [ 220.019520] 5*64kB [ 220.022186] ndisc_send_rs+0x331/0x6e0 [ 220.026230] (MH) [ 220.028464] addrconf_rs_timer+0x314/0x690 [ 220.032334] 3*128kB [ 220.034415] ? kasan_check_read+0x11/0x20 [ 220.038645] (M) [ 220.040960] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 220.045108] 5*256kB [ 220.047081] call_timer_fn+0x272/0x920 [ 220.051292] (UMH) [ 220.053608] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 220.057467] 5*512kB [ 220.059632] ? process_timeout+0x40/0x40 [ 220.063879] (UMH) [ 220.066226] ? trace_hardirqs_off+0xb8/0x310 [ 220.070270] 4*1024kB [ 220.072421] ? kasan_check_read+0x11/0x20 [ 220.076801] (UMH) [ 220.079225] ? do_raw_spin_unlock+0xa7/0x2f0 [ 220.083353] 2*2048kB [ 220.085492] ? trace_hardirqs_on+0x310/0x310 [ 220.089877] (M) [ 220.092312] ? __run_timers+0x7da/0xc70 [ 220.096723] 3*4096kB [ 220.098698] ? lock_downgrade+0x900/0x900 [ 220.102670] (M) [ 220.105110] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 220.109540] = 25168kB [ 220.111512] ? trace_hardirqs_on+0xbd/0x310 [ 220.116586] Node 0 [ 220.119050] ? kasan_check_read+0x11/0x20 [ 220.123380] Normal: [ 220.125616] ? __run_timers+0x7da/0xc70 [ 220.129753] 1081*4kB [ 220.132086] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 220.136032] (UMEH) [ 220.138436] ? kasan_check_write+0x14/0x20 [ 220.143861] 387*8kB [ 220.146214] ? do_raw_spin_lock+0xc1/0x200 [ 220.150433] (ME) [ 220.152815] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 220.157047] 152*16kB [ 220.159122] __run_timers+0x7e5/0xc70 [ 220.163333] (UME) [ 220.165750] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 220.169520] 54*32kB [ 220.171664] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 220.177017] (UME) [ 220.179336] ? timerqueue_add+0x207/0x2b0 [ 220.184324] 21*64kB [ 220.186471] ? enqueue_hrtimer+0x1a5/0x560 [ 220.190596] (UM) [ 220.192911] ? lock_release+0x970/0x970 [ 220.197118] 0*128kB [ 220.199170] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 220.203119] 0*256kB [ 220.205468] ? check_preemption_disabled+0x48/0x200 [ 220.210662] 2*512kB [ 220.213002] ? kasan_check_write+0x14/0x20 [ 220.218016] (U) [ 220.220346] ? pvclock_read_flags+0x160/0x160 [ 220.224558] 0*1024kB [ 220.226527] ? lock_downgrade+0x900/0x900 [ 220.231065] 0*2048kB [ 220.233511] ? trace_hardirqs_on+0xbd/0x310 [ 220.237639] 0*4096kB [ 220.240071] ? kvm_sched_clock_read+0x9/0x20 [ 220.244376] = 13948kB [ 220.246801] ? irq_exit+0x17f/0x1c0 [ 220.251200] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 220.253606] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.257212] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 220.266044] ? check_preemption_disabled+0x48/0x200 [ 220.271584] 4244 total pagecache pages [ 220.280160] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.285164] 0 pages in swap cache [ 220.289046] run_timer_softirq+0x52/0xb0 [ 220.294558] Swap cache stats: add 0, delete 0, find 0/0 [ 220.298012] ? __this_cpu_preempt_check+0x1c/0x1f [ 220.302047] Free swap = 0kB [ 220.307397] __do_softirq+0x30b/0xad8 [ 220.312223] Total swap = 0kB [ 220.312231] 1965979 pages RAM [ 220.315245] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 220.319020] 0 pages HighMem/MovableOnly [ 220.322033] ? pvclock_read_flags+0x160/0x160 [ 220.325113] 342307 pages reserved [ 220.325121] 0 pages cma reserved [ 220.330213] ? lapic_next_event+0x5a/0x90 [ 220.334655] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 220.338670] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.342103] syz-executor2 cpuset= [ 220.345495] ? clockevents_program_event+0x140/0x370 [ 220.349614] syz2 [ 220.360089] ? kvm_clock_read+0x18/0x30 [ 220.365600] mems_allowed=0 [ 220.369093] ? kvm_sched_clock_read+0x9/0x20 [ 220.387421] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.392982] ? check_preemption_disabled+0x48/0x200 [ 220.398006] irq_exit+0x17f/0x1c0 [ 220.401457] smp_apic_timer_interrupt+0x1cb/0x760 [ 220.406298] ? smp_reschedule_interrupt+0x109/0x650 [ 220.411310] ? smp_call_function_single_interrupt+0x650/0x650 [ 220.417190] ? interrupt_entry+0xb5/0xf0 [ 220.421251] ? trace_hardirqs_off_caller+0xbb/0x310 [ 220.426273] ? trace_hardirqs_off_caller+0xbb/0x310 [ 220.431281] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 220.436122] ? trace_hardirqs_on_caller+0x310/0x310 [ 220.441179] ? trace_hardirqs_on_caller+0x310/0x310 [ 220.446195] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 220.451736] ? check_preemption_disabled+0x48/0x200 [ 220.456773] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 220.462307] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 220.467178] apic_timer_interrupt+0xf/0x20 [ 220.471398] [ 220.473636] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 220.478828] Code: 00 e8 97 f5 a3 f9 e8 d2 63 d3 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d 24 75 80 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d fa 74 [ 220.497757] RSP: 0000:ffff8801bbdd6150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 220.505474] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 220.512734] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe740 [ 220.520007] RBP: ffff8801bbdd6178 R08: ffff8801d838c080 R09: ffffed003b5e5979 [ 220.527271] R10: ffffed003b5e5979 R11: ffff8801daf2cbcb R12: dffffc0000000000 [ 220.534530] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 220.541805] ? trace_hardirqs_on+0x9a/0x310 [ 220.546136] ? trace_hardirqs_on+0xb4/0x310 [ 220.550461] retint_kernel+0x1b/0x2d [ 220.554173] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 220.559451] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 21 17 fa 48 83 3d 99 9c 86 01 00 75 07 e8 9a 7f d3 f9 0f 0b e8 93 7f d3 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 21 17 fa 4c 8b 45 d0 e9 [ 220.578346] RSP: 0000:ffff8801bbdd6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 220.586052] RAX: ffff8801d838c080 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 220.593315] RDX: 0000000000000000 RSI: ffffffff87ab55fd RDI: 0000000000000293 [ 220.600577] RBP: ffff8801bbdd6240 R08: ffff8801d838c080 R09: fffffbfff13d9700 [ 220.607870] R10: fffffbfff13d9700 R11: 0000000000000003 R12: 0000000000000293 [ 220.615171] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff8931f280 [ 220.622441] ? trace_hardirqs_on+0x9a/0x310 [ 220.626755] ? arch_local_irq_restore+0x45/0x52 [ 220.631424] dump_stack+0x26a/0x2b4 [ 220.635047] ? dump_stack_print_info.cold.2+0x52/0x52 [ 220.640235] ? mark_held_locks+0x130/0x130 [ 220.644474] ? mark_held_locks+0x130/0x130 [ 220.648728] dump_header+0x27b/0xf72 [ 220.652450] ? rcu_read_unlock+0x16/0x60 [ 220.656506] ? pagefault_out_of_memory+0x197/0x197 [ 220.661444] ? mark_held_locks+0x130/0x130 [ 220.665685] ? percpu_ref_put_many+0x13e/0x260 [ 220.670265] ? mem_cgroup_charge_statistics+0x780/0x780 [ 220.675629] ? mem_cgroup_iter+0x1f7/0x1160 [ 220.679953] ? mark_held_locks+0x130/0x130 [ 220.684185] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.689726] ? task_will_free_mem+0x239/0xb30 [ 220.694244] ? ___ratelimit+0x36f/0x655 [ 220.698279] ? lock_downgrade+0x900/0x900 [ 220.702438] ? trace_hardirqs_on+0xbd/0x310 [ 220.706761] ? kasan_check_read+0x11/0x20 [ 220.710901] ? ___ratelimit+0x36f/0x655 [ 220.714888] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 220.720332] ? trace_hardirqs_on+0x310/0x310 [ 220.724742] ? lock_downgrade+0x900/0x900 [ 220.728889] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 220.734007] ? ___ratelimit+0xaa/0x655 [ 220.737895] ? idr_get_free+0xec0/0xec0 [ 220.741863] ? kasan_check_write+0x14/0x20 [ 220.746096] ? do_raw_spin_lock+0xc1/0x200 [ 220.750329] oom_kill_process.cold.27+0x10/0x903 [ 220.755095] ? lock_downgrade+0x900/0x900 [ 220.759259] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 220.765072] ? oom_evaluate_task+0x540/0x540 [ 220.769506] ? shrink_node+0x16b0/0x16b0 [ 220.773566] ? oom_unkillable_task+0x383/0x580 [ 220.778160] ? out_of_memory+0x974/0x1430 [ 220.782357] ? lock_downgrade+0x900/0x900 [ 220.786505] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 220.792300] ? __cpuset_node_allowed+0x19b/0x660 [ 220.797056] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 220.802587] ? oom_evaluate_task+0x302/0x540 [ 220.806995] out_of_memory+0xa84/0x1430 [ 220.810970] ? oom_killer_disable+0x3a0/0x3a0 [ 220.815460] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 220.820386] ? __mutex_add_waiter+0x2a0/0x2a0 [ 220.824879] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 220.829886] ? find_next_bit+0x104/0x130 [ 220.833946] __alloc_pages_slowpath+0x2318/0x2d80 [ 220.838803] ? warn_alloc+0x120/0x120 [ 220.842611] ? __radix_tree_lookup+0x4c0/0x4c0 [ 220.847214] ? find_get_entry+0x2f2/0xc40 [ 220.851370] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 220.856296] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 220.861834] ? should_fail+0x22d/0xd01 [ 220.865722] ? ___might_sleep+0x1ed/0x300 [ 220.869862] ? lock_release+0x970/0x970 [ 220.873839] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 220.878950] ? debug_smp_processor_id+0x1c/0x20 [ 220.883629] ? __might_sleep+0x95/0x190 [ 220.887623] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 220.892476] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 220.897493] ? lock_downgrade+0x900/0x900 [ 220.901636] ? ___might_sleep+0x1ed/0x300 [ 220.905778] ? lock_release+0x970/0x970 [ 220.909749] ? arch_local_save_flags+0x40/0x40 [ 220.914324] ? finish_task_switch+0x1f5/0x900 [ 220.918834] ? __might_sleep+0x95/0x190 [ 220.922807] __alloc_pages_nodemask+0xa80/0xde0 [ 220.927498] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 220.932524] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 220.938316] ? kasan_check_write+0x14/0x20 [ 220.942545] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 220.947378] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.952907] ? __do_page_cache_readahead+0x7ce/0x980 [ 220.958073] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 220.963610] alloc_pages_current+0x10c/0x210 [ 220.968025] ? lock_downgrade+0x900/0x900 [ 220.972175] __page_cache_alloc+0x38f/0x5b0 [ 220.976508] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 220.982304] ? ext4_filemap_fault+0x82/0xad [ 220.986620] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 220.991284] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 220.996813] ? check_preemption_disabled+0x48/0x200 [ 221.001827] filemap_fault+0x1594/0x25f0 [ 221.005891] ? __lock_page_or_retry+0xa00/0xa00 [ 221.010558] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 221.016348] ? unwind_dump+0x190/0x190 [ 221.020242] ? is_bpf_text_address+0xd3/0x170 [ 221.024757] ? filemap_map_pages+0xdea/0x1980 [ 221.029281] ? find_get_pages_range_tag+0x1320/0x1320 [ 221.034463] ? save_stack+0xa9/0xd0 [ 221.038097] ? save_stack+0x43/0xd0 [ 221.041737] ? __kasan_slab_free+0x102/0x150 [ 221.046189] ? __sigqueue_free.part.27+0x7d/0xa0 [ 221.050954] ? __dequeue_signal+0x530/0x7d0 [ 221.055272] ? dequeue_signal+0x26c/0x630 [ 221.059411] ? get_signal+0x3ec/0x1980 [ 221.063318] ? do_signal+0x9c/0x21e0 [ 221.067158] ? exit_to_usermode_loop+0x2e5/0x380 [ 221.071946] ? mark_held_locks+0x130/0x130 [ 221.076187] ? trace_hardirqs_on+0x310/0x310 [ 221.081098] ? lock_acquire+0x1ed/0x520 [ 221.085068] ? ext4_filemap_fault+0x7a/0xad [ 221.089386] ? lock_release+0x970/0x970 [ 221.093354] ? arch_local_save_flags+0x40/0x40 [ 221.097933] ? mark_held_locks+0x130/0x130 [ 221.102163] ? trace_hardirqs_off+0xb8/0x310 [ 221.106571] ? down_read+0xb0/0x1d0 [ 221.110195] ? ext4_filemap_fault+0x7a/0xad [ 221.114519] ? __down_interruptible+0x700/0x700 [ 221.119182] ? kmem_cache_free+0x21a/0x290 [ 221.123417] ? __sigqueue_free.part.27+0x7d/0xa0 [ 221.128169] ? __dequeue_signal+0xf9/0x7d0 [ 221.132402] ext4_filemap_fault+0x82/0xad [ 221.136558] __do_fault+0x100/0x6b0 [ 221.140178] ? print_bad_pte+0x6c0/0x6c0 [ 221.144239] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 221.149767] ? pmd_val+0x88/0x100 [ 221.153221] ? add_mm_counter_fast+0xd0/0xd0 [ 221.157622] ? pmd_val+0x88/0x100 [ 221.161072] ? add_mm_counter_fast+0xd0/0xd0 [ 221.165479] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 221.171028] __handle_mm_fault+0x3709/0x53e0 [ 221.175435] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 221.180284] ? kasan_check_write+0x14/0x20 [ 221.184519] ? do_raw_spin_lock+0xc1/0x200 [ 221.188795] ? _raw_spin_unlock_irq+0x60/0x80 [ 221.193281] ? __set_current_blocked+0xe4/0x120 [ 221.197947] ? lock_acquire+0x1ed/0x520 [ 221.201940] ? handle_mm_fault+0x42a/0xc70 [ 221.206208] ? lock_downgrade+0x900/0x900 [ 221.210358] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 221.216149] ? __do_page_fault+0x67d/0xed0 [ 221.220377] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 221.225822] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 221.231363] ? check_preemption_disabled+0x48/0x200 [ 221.236376] handle_mm_fault+0x54f/0xc70 [ 221.240438] ? __handle_mm_fault+0x53e0/0x53e0 [ 221.245015] ? find_vma+0x34/0x190 [ 221.248581] __do_page_fault+0x67d/0xed0 [ 221.252640] ? mm_fault_error+0x380/0x380 [ 221.256783] ? syscall_slow_exit_work+0x520/0x520 [ 221.261652] do_page_fault+0xf2/0x7e0 [ 221.265463] ? vmalloc_sync_all+0x30/0x30 [ 221.269608] ? error_entry+0x70/0xd0 [ 221.273328] ? trace_hardirqs_off_caller+0xbb/0x310 [ 221.278353] ? trace_hardirqs_on_caller+0xc0/0x310 [ 221.283273] ? syscall_return_slowpath+0x5e0/0x5e0 [ 221.288200] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 221.293093] ? trace_hardirqs_on_caller+0x310/0x310 [ 221.298114] ? trace_hardirqs_off+0x310/0x310 [ 221.302604] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 221.307625] ? prepare_exit_to_usermode+0x291/0x3b0 [ 221.312633] ? page_fault+0x8/0x30 [ 221.316167] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 221.321015] ? page_fault+0x8/0x30 [ 221.324545] page_fault+0x1e/0x30 [ 221.328035] RIP: 0033:0x45db60 [ 221.331245] Code: Bad RIP value. [ 221.334607] RSP: 002b:000000c420049ab8 EFLAGS: 00010286 [ 221.339965] RAX: 0000000000000000 RBX: 000000c420026380 RCX: 000000000045ddf3 [ 221.347263] RDX: 000000c420049ac0 RSI: 000000c420049bf0 RDI: 0000000000000011 [ 221.354527] RBP: 000000c420022f08 R08: 0000000000000000 R09: 0000000000000000 [ 221.361790] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42005c168 [ 221.369052] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000 [ 221.376330] CPU: 0 PID: 7800 Comm: syz-executor2 Not tainted 4.19.0-rc6+ #119 [ 221.376385] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 221.383616] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 221.383620] Call Trace: [ 221.383625] [ 221.383638] dump_stack+0x1c4/0x2b4 [ 221.383653] ? dump_stack_print_info.cold.2+0x52/0x52 [ 221.390200] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 221.399505] warn_alloc.cold.119+0xb7/0x1bd [ 221.402078] syz-fuzzer cpuset= [ 221.404222] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 221.407825] / [ 221.413024] ? lock_downgrade+0x900/0x900 [ 221.423247] mems_allowed=0 [ 221.427565] ? trace_hardirqs_off+0xb8/0x310 [ 221.448744] ? trace_hardirqs_off+0xb8/0x310 [ 221.453160] __alloc_pages_slowpath+0x2667/0x2d80 [ 221.458052] ? warn_alloc+0x120/0x120 [ 221.461870] ? warn_alloc+0x120/0x120 [ 221.465669] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 221.470676] ? warn_alloc+0x120/0x120 [ 221.474478] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 221.480072] ? ipv6_skip_exthdr+0x416/0x760 [ 221.484424] ? is_bpf_text_address+0xac/0x170 [ 221.488920] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 221.494449] ? should_fail+0x22d/0xd01 [ 221.498332] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 221.503459] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 221.508992] ? should_fail+0x22d/0xd01 [ 221.512887] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 221.518000] ? should_fail+0x22d/0xd01 [ 221.521887] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 221.526981] ? mark_held_locks+0x130/0x130 [ 221.531227] ? mark_held_locks+0x130/0x130 [ 221.535472] ? try_to_wake_up+0x10a/0x12f0 [ 221.539723] ? lock_downgrade+0x900/0x900 [ 221.543879] ? ip6_finish_output2+0xce4/0x27a0 [ 221.548471] ? trace_hardirqs_off+0xb8/0x310 [ 221.552869] ? kasan_check_read+0x11/0x20 [ 221.557039] ? do_raw_spin_unlock+0xa7/0x2f0 [ 221.561566] ? trace_hardirqs_on+0x310/0x310 [ 221.565971] ? kasan_check_write+0x14/0x20 [ 221.570218] ? do_raw_spin_lock+0xc1/0x200 [ 221.574460] __alloc_pages_nodemask+0xa80/0xde0 [ 221.579120] ? should_fail+0x22d/0xd01 [ 221.583024] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 221.588063] ? ____cache_alloc_node+0x1c7/0x1e0 [ 221.592761] ? lock_downgrade+0x900/0x900 [ 221.596926] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.602461] cache_grow_begin+0x91/0x8c0 [ 221.606528] ? do_raw_spin_unlock+0xa7/0x2f0 [ 221.610957] fallback_alloc+0x203/0x2e0 [ 221.614932] ____cache_alloc_node+0x1c7/0x1e0 [ 221.619429] kmem_cache_alloc_node+0xe3/0x730 [ 221.623962] ? ipv6_get_ifaddr+0x42e/0x620 [ 221.628198] __alloc_skb+0x119/0x770 [ 221.631913] ? skb_scrub_packet+0x490/0x490 [ 221.636270] ? lock_downgrade+0x900/0x900 [ 221.640419] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.645981] ? refcount_sub_and_test_checked+0x203/0x310 [ 221.651430] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 221.656887] ? addrconf_rs_timer+0x690/0x690 [ 221.661304] ndisc_alloc_skb+0x144/0x340 [ 221.665388] ndisc_send_rs+0x331/0x6e0 [ 221.669297] addrconf_rs_timer+0x314/0x690 [ 221.673538] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 221.677799] call_timer_fn+0x272/0x920 [ 221.681677] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 221.685912] ? process_timeout+0x40/0x40 [ 221.689988] ? trace_hardirqs_off+0xb8/0x310 [ 221.694406] ? kasan_check_read+0x11/0x20 [ 221.698563] ? do_raw_spin_unlock+0xa7/0x2f0 [ 221.702982] ? trace_hardirqs_on+0x310/0x310 [ 221.707396] ? __run_timers+0x7da/0xc70 [ 221.711366] ? lock_downgrade+0x900/0x900 [ 221.715632] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 221.720738] ? trace_hardirqs_on+0xbd/0x310 [ 221.725069] ? kasan_check_read+0x11/0x20 [ 221.729227] ? __run_timers+0x7da/0xc70 [ 221.733208] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 221.738660] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.744188] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 221.748412] __run_timers+0x7e5/0xc70 [ 221.752221] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 221.757576] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 221.762612] ? timerqueue_add+0x207/0x2b0 [ 221.766785] ? enqueue_hrtimer+0x1a5/0x560 [ 221.771025] ? lock_release+0x970/0x970 [ 221.774996] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 221.780185] ? kasan_check_write+0x14/0x20 [ 221.784431] ? pvclock_read_flags+0x160/0x160 [ 221.788930] ? lock_downgrade+0x900/0x900 [ 221.793101] ? trace_hardirqs_on+0xbd/0x310 [ 221.797422] ? kvm_sched_clock_read+0x9/0x20 [ 221.801851] ? irq_exit+0x17f/0x1c0 [ 221.805483] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.811023] ? check_preemption_disabled+0x48/0x200 [ 221.816125] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.821677] run_timer_softirq+0x52/0xb0 [ 221.825771] ? __this_cpu_preempt_check+0x1c/0x1f [ 221.830620] __do_softirq+0x30b/0xad8 [ 221.834465] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 221.839563] ? pvclock_read_flags+0x160/0x160 [ 221.844054] ? lapic_next_event+0x5a/0x90 [ 221.848208] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.853791] ? clockevents_program_event+0x140/0x370 [ 221.858911] ? kvm_clock_read+0x18/0x30 [ 221.862879] ? kvm_sched_clock_read+0x9/0x20 [ 221.867283] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.872831] ? check_preemption_disabled+0x48/0x200 [ 221.877859] irq_exit+0x17f/0x1c0 [ 221.881349] smp_apic_timer_interrupt+0x1cb/0x760 [ 221.886200] ? smp_reschedule_interrupt+0x109/0x650 [ 221.891227] ? smp_call_function_single_interrupt+0x650/0x650 [ 221.897133] ? interrupt_entry+0xb5/0xf0 [ 221.901360] ? trace_hardirqs_off_caller+0xbb/0x310 [ 221.906373] ? trace_hardirqs_off_caller+0xbb/0x310 [ 221.911383] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 221.916234] ? trace_hardirqs_on_caller+0x310/0x310 [ 221.921255] ? trace_hardirqs_on_caller+0x310/0x310 [ 221.926285] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.931819] ? check_preemption_disabled+0x48/0x200 [ 221.936863] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 221.941722] apic_timer_interrupt+0xf/0x20 [ 221.945958] [ 221.948193] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 221.954075] Code: 3f 7e 0f 85 32 ff ff ff e8 53 4a 3e ff e9 28 ff ff ff e8 ba ad c2 ff 48 83 3d 0a bf 6f 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 62 23 [ 221.973008] RSP: 0018:ffff88019a29f4a8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 221.980750] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000627e000 [ 221.988030] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 221.995287] RBP: ffff88019a29f520 R08: ffff8801ba14e480 R09: fffffbfff12720c0 [ 222.002569] R10: ffff88019a29e0f0 R11: ffffffff89390603 R12: ffff8801da800ac0 [ 222.009827] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286 [ 222.017116] ? trace_hardirqs_on+0xb4/0x310 [ 222.021470] ? save_stack+0xa9/0xd0 [ 222.025119] __kmalloc_node_track_caller+0x33/0x70 [ 222.030045] __kmalloc_reserve.isra.39+0xcc/0xe0 [ 222.034801] pskb_expand_head+0x230/0x10f0 [ 222.039033] ? lock_downgrade+0x900/0x900 [ 222.043189] ? check_preemption_disabled+0x48/0x200 [ 222.048200] ? memcpy+0x45/0x50 [ 222.051481] ? __copy_skb_header+0x350/0x6b0 [ 222.055908] ? __pskb_copy_fclone+0xeb0/0xeb0 [ 222.060398] ? skb_checksum+0x140/0x140 [ 222.064376] ? trace_hardirqs_on+0xbd/0x310 [ 222.068721] ? skb_clone+0x1bb/0x500 [ 222.072445] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 222.077887] ? kasan_unpoison_shadow+0x35/0x50 [ 222.082466] ? kasan_check_write+0x14/0x20 [ 222.086702] ? __skb_clone+0x6c7/0xa00 [ 222.090605] ? __copy_skb_header+0x6b0/0x6b0 [ 222.095056] ? kmem_cache_alloc+0x306/0x730 [ 222.099382] skb_ensure_writable+0x3dd/0x640 [ 222.103797] ? skb_cow_data+0xf10/0xf10 [ 222.107782] ? check_preemption_disabled+0x48/0x200 [ 222.112794] ? __this_cpu_preempt_check+0x1c/0x1f [ 222.117629] ? __bpf_redirect+0x54b/0xb20 [ 222.121777] ? __switch_to_asm+0x34/0x70 [ 222.125839] bpf_clone_redirect+0x14a/0x490 [ 222.130181] bpf_prog_3d1649e183dc2cc1+0xca3/0x1000 [ 222.135196] ? __sched_text_start+0x8/0x8 [ 222.139344] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 222.144095] ? retint_kernel+0x2d/0x2d [ 222.148116] ? trace_hardirqs_on_caller+0xc0/0x310 [ 222.153055] ? retint_kernel+0x2d/0x2d [ 222.156951] ? trace_hardirqs_on_caller+0xc0/0x310 [ 222.161897] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 222.166662] ? trace_hardirqs_off+0x310/0x310 [ 222.171154] ? retint_kernel+0x1b/0x2d [ 222.175042] ? lock_acquire+0x1ed/0x520 [ 222.179029] ? bpf_test_run+0x3cb/0x780 [ 222.183002] ? lock_downgrade+0x900/0x900 [ 222.187152] ? lock_release+0x970/0x970 [ 222.191126] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 222.196931] ? preempt_schedule_common+0x1f/0xd0 [ 222.201687] ? preempt_schedule+0x4d/0x60 [ 222.205849] ? ___preempt_schedule+0x16/0x18 [ 222.210274] ? bpf_test_run+0x25d/0x780 [ 222.214257] ? netlink_diag_dump+0x2a0/0x2a0 [ 222.218680] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 222.224237] ? bpf_test_init.isra.9+0x70/0x100 [ 222.228848] ? bpf_prog_test_run_skb+0x634/0xb40 [ 222.233601] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 222.238470] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 222.244004] ? fput+0x130/0x1a0 [ 222.247281] ? __bpf_prog_get+0x9b/0x290 [ 222.251372] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 222.256204] ? bpf_prog_test_run+0x130/0x1a0 [ 222.260609] ? __x64_sys_bpf+0x3d8/0x510 [ 222.264667] ? bpf_prog_get+0x20/0x20 [ 222.268470] ? __x64_sys_futex+0x4bc/0x6a0 [ 222.272703] ? do_syscall_64+0x1b9/0x820 [ 222.276774] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 222.282132] ? syscall_return_slowpath+0x5e0/0x5e0 [ 222.287087] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 222.291930] ? trace_hardirqs_on_caller+0x310/0x310 [ 222.296974] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 222.302001] ? prepare_exit_to_usermode+0x291/0x3b0 [ 222.307025] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 222.311869] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 222.317231] warn_alloc_show_mem: 1 callbacks suppressed [ 222.317242] CPU: 1 PID: 5806 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #119 [ 222.317243] Mem-Info: [ 222.317271] active_anon:46475 inactive_anon:4207 isolated_anon:0 [ 222.317271] active_file:17 inactive_file:13 isolated_file:0 [ 222.317271] unevictable:0 dirty:0 writeback:0 unstable:0 [ 222.317271] slab_reclaimable:8782 slab_unreclaimable:1485678 [ 222.317271] mapped:8194 shmem:4214 pagetables:396 bounce:0 [ 222.317271] free:13756 free_pcp:276 free_cma:0 [ 222.322609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 222.329627] Node 0 active_anon:185900kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32776kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 222.332032] Call Trace: [ 222.364997] Node 0 [ 222.374366] [ 222.402124] 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 [ 222.404680] dump_stack+0x1c4/0x2b4 [ 222.406885] lowmem_reserve[]: [ 222.409025] ? dump_stack_print_info.cold.2+0x52/0x52 [ 222.434503] 0 [ 222.438119] warn_alloc.cold.119+0xb7/0x1bd [ 222.441198] 2819 [ 222.446396] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 222.448210] 6323 [ 222.452531] ? lock_downgrade+0x900/0x900 [ 222.454589] 6323 [ 222.459435] ? trace_hardirqs_off+0xb8/0x310 [ 222.465613] ? trace_hardirqs_off+0xb8/0x310 [ 222.467725] Node 0 [ 222.472122] __alloc_pages_slowpath+0x2667/0x2d80 [ 222.476537] DMA32 free:25168kB min:30060kB low:37572kB high:45084kB active_anon:10240kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 222.478767] ? warn_alloc+0x120/0x120 [ 222.483584] lowmem_reserve[]: [ 222.510818] ? trace_hardirqs_on+0x310/0x310 [ 222.514632] 0 [ 222.517759] ? warn_alloc+0x120/0x120 [ 222.522160] 0 [ 222.523962] ? warn_alloc+0x120/0x120 [ 222.527746] 3503 [ 222.529537] ? ktime_get+0x2e1/0x440 [ 222.533332] 3503 [ 222.535390] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.541147] ? check_preemption_disabled+0x48/0x200 [ 222.546690] Node 0 Normal free:13948kB min:37352kB low:46688kB high:56024kB active_anon:175660kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5056kB pagetables:1584kB bounce:0kB free_pcp:856kB local_pcp:320kB free_cma:0kB [ 222.551736] ? kasan_check_read+0x11/0x20 [ 222.551752] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 222.580788] lowmem_reserve[]: [ 222.584938] ? should_fail+0x22d/0xd01 [ 222.590443] 0 [ 222.593551] ? rcu_bh_qs+0xc0/0xc0 [ 222.597415] 0 [ 222.599215] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 222.602734] 0 [ 222.604527] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 222.609606] 0 [ 222.611401] ? should_fail+0x22d/0xd01 [ 222.618726] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 222.622607] Node 0 [ 222.627700] ? should_fail+0x22d/0xd01 [ 222.627702] DMA: 1*4kB [ 222.629948] ? rcu_idle_enter+0x4b0/0x4b0 [ 222.633823] (U) [ 222.636412] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 222.640562] 0*8kB [ 222.642542] ? mark_held_locks+0x130/0x130 [ 222.647617] 0*16kB [ 222.649754] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.653980] 1*32kB [ 222.656211] ? mark_held_locks+0x130/0x130 [ 222.661724] (U) [ 222.664000] ? rcu_irq_exit+0xce/0x100 [ 222.668243] 2*64kB [ 222.670243] ? irq_exit+0xbd/0x1c0 [ 222.674103] (U) [ 222.676351] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 222.679894] 1*128kB [ 222.681866] ? do_raw_spin_unlock+0xa7/0x2f0 [ 222.686848] (U) [ 222.689164] ? smp_call_function_single_interrupt+0x650/0x650 [ 222.693544] 1*256kB [ 222.695514] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.701383] (U) [ 222.703703] ? ret_from_intr+0xb/0x1e [ 222.709245] 0*512kB [ 222.711209] ? retint_kernel+0x2d/0x2d [ 222.714998] 1*1024kB [ 222.717349] ? trace_hardirqs_on_caller+0xc0/0x310 [ 222.721228] (U) [ 222.723636] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 222.728540] 1*2048kB [ 222.730510] ? trace_hardirqs_off+0x310/0x310 [ 222.735236] (M) [ 222.737643] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 222.742112] 3*4096kB [ 222.744130] __alloc_pages_nodemask+0xa80/0xde0 [ 222.749216] (M) [ 222.751623] ? should_fail+0x22d/0xd01 [ 222.756262] = 15908kB [ 222.758254] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 222.762130] Node 0 [ 222.764576] ? ____cache_alloc_node+0x1c7/0x1e0 [ 222.769578] DMA32: [ 222.771804] ? lock_downgrade+0x900/0x900 [ 222.776445] 2*4kB [ 222.778674] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.782797] (M) [ 222.784961] cache_grow_begin+0x91/0x8c0 [ 222.790479] 1*8kB [ 222.792457] ? do_raw_spin_unlock+0xa7/0x2f0 [ 222.796490] (M) [ 222.798638] fallback_alloc+0x203/0x2e0 [ 222.803018] 2*16kB [ 222.805053] ____cache_alloc_node+0x1c7/0x1e0 [ 222.809043] (M) [ 222.811267] kmem_cache_alloc_node+0xe3/0x730 [ 222.815748] 3*32kB [ 222.817725] ? ipv6_get_ifaddr+0x42e/0x620 [ 222.822211] (MH) [ 222.824454] __alloc_skb+0x119/0x770 [ 222.828672] 5*64kB [ 222.830754] ? skb_scrub_packet+0x490/0x490 [ 222.834455] (MH) [ 222.836682] ? lock_downgrade+0x900/0x900 [ 222.841008] 3*128kB [ 222.843075] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.847192] (M) [ 222.849541] ? refcount_sub_and_test_checked+0x203/0x310 [ 222.855049] 5*256kB [ 222.857019] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 222.862441] (UMH) [ 222.864769] ? addrconf_rs_timer+0x690/0x690 [ 222.870192] 5*512kB [ 222.872330] ndisc_alloc_skb+0x144/0x340 [ 222.876726] (UMH) [ 222.879052] ndisc_send_rs+0x331/0x6e0 [ 222.883091] 4*1024kB [ 222.885249] addrconf_rs_timer+0x314/0x690 [ 222.889109] (UMH) [ 222.891526] ? kasan_check_read+0x11/0x20 [ 222.895738] 2*2048kB [ 222.897891] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 222.902012] (M) [ 222.904417] call_timer_fn+0x272/0x920 [ 222.908654] 3*4096kB [ 222.910625] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 222.914484] (M) [ 222.916901] ? process_timeout+0x40/0x40 [ 222.921106] = 25168kB [ 222.923099] ? trace_hardirqs_off+0xb8/0x310 [ 222.927131] Node 0 [ 222.929541] ? kasan_check_read+0x11/0x20 [ 222.933931] Normal: [ 222.936160] ? do_raw_spin_unlock+0xa7/0x2f0 [ 222.940278] 1081*4kB [ 222.942602] ? trace_hardirqs_on+0x310/0x310 [ 222.947403] (UMEH) 387*8kB [ 222.949814] ? __run_timers+0x7da/0xc70 [ 222.954192] (ME) [ 222.957141] ? lock_downgrade+0x900/0x900 [ 222.961089] 152*16kB [ 222.963169] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 222.967287] (UME) [ 222.969701] ? trace_hardirqs_on+0xbd/0x310 [ 222.974796] 54*32kB [ 222.976932] ? kasan_check_read+0x11/0x20 [ 222.981248] (UME) [ 222.983577] ? __run_timers+0x7da/0xc70 [ 222.987703] 21*64kB [ 222.989851] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 222.993798] (UM) [ 222.996108] ? kasan_check_write+0x14/0x20 [ 223.001535] 0*128kB [ 223.003586] ? do_raw_spin_lock+0xc1/0x200 [ 223.007799] 0*256kB [ 223.010112] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 223.014327] 2*512kB [ 223.016663] __run_timers+0x7e5/0xc70 [ 223.020889] (U) [ 223.023212] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 223.026998] 0*1024kB [ 223.028994] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 223.034336] 0*2048kB [ 223.036746] ? timerqueue_add+0x207/0x2b0 [ 223.041737] 0*4096kB [ 223.044162] ? enqueue_hrtimer+0x1a5/0x560 [ 223.048283] = 13948kB [ 223.050698] ? lock_release+0x970/0x970 [ 223.054925] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 223.057340] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 223.061290] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 223.070139] ? check_preemption_disabled+0x48/0x200 [ 223.075308] 4244 total pagecache pages [ 223.084367] ? kasan_check_write+0x14/0x20 [ 223.089368] 0 pages in swap cache [ 223.093244] ? pvclock_read_flags+0x160/0x160 [ 223.097462] Swap cache stats: add 0, delete 0, find 0/0 [ 223.100924] ? lock_downgrade+0x900/0x900 [ 223.105449] Free swap = 0kB [ 223.110808] ? trace_hardirqs_on+0xbd/0x310 [ 223.114939] Total swap = 0kB [ 223.117961] ? kvm_sched_clock_read+0x9/0x20 [ 223.122390] 1965979 pages RAM [ 223.125397] ? irq_exit+0x17f/0x1c0 [ 223.129778] 0 pages HighMem/MovableOnly [ 223.132872] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.136477] 342307 pages reserved [ 223.140475] ? check_preemption_disabled+0x48/0x200 [ 223.146009] 0 pages cma reserved [ 223.149466] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.154546] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 223.157838] run_timer_softirq+0x52/0xb0 [ 223.157850] ? __this_cpu_preempt_check+0x1c/0x1f [ 223.157864] __do_softirq+0x30b/0xad8 [ 223.163464] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 223.169908] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 223.173940] syz-executor2 cpuset= [ 223.178776] ? pvclock_read_flags+0x160/0x160 [ 223.182549] syz2 [ 223.193045] ? lapic_next_event+0x5a/0x90 [ 223.198172] mems_allowed=0 [ 223.201621] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.220657] ? clockevents_program_event+0x140/0x370 [ 223.225764] ? kvm_clock_read+0x18/0x30 [ 223.229750] ? kvm_sched_clock_read+0x9/0x20 [ 223.234184] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.239819] ? check_preemption_disabled+0x48/0x200 [ 223.244851] irq_exit+0x17f/0x1c0 [ 223.248316] smp_apic_timer_interrupt+0x1cb/0x760 [ 223.253157] ? smp_reschedule_interrupt+0x109/0x650 [ 223.258166] ? smp_call_function_single_interrupt+0x650/0x650 [ 223.264066] ? interrupt_entry+0xb5/0xf0 [ 223.268119] ? trace_hardirqs_off_caller+0xbb/0x310 [ 223.273141] ? trace_hardirqs_off_caller+0xbb/0x310 [ 223.278149] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 223.283040] ? trace_hardirqs_on_caller+0x310/0x310 [ 223.288056] ? trace_hardirqs_on_caller+0x310/0x310 [ 223.293107] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 223.298640] ? check_preemption_disabled+0x48/0x200 [ 223.303658] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 223.309192] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 223.314054] apic_timer_interrupt+0xf/0x20 [ 223.318300] [ 223.320538] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 223.325748] Code: 00 e8 97 f5 a3 f9 e8 d2 63 d3 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d 24 75 80 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d fa 74 [ 223.344640] RSP: 0000:ffff8801bbdd6150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 223.352343] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 223.359624] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe740 [ 223.366884] RBP: ffff8801bbdd6178 R08: ffff8801d838c080 R09: ffffed003b5e5979 [ 223.374152] R10: ffffed003b5e5979 R11: ffff8801daf2cbcb R12: dffffc0000000000 [ 223.381440] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 223.388718] ? trace_hardirqs_on+0x9a/0x310 [ 223.393064] ? trace_hardirqs_on+0xb4/0x310 [ 223.397408] retint_kernel+0x1b/0x2d [ 223.401140] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 223.406417] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 21 17 fa 48 83 3d 99 9c 86 01 00 75 07 e8 9a 7f d3 f9 0f 0b e8 93 7f d3 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 21 17 fa 4c 8b 45 d0 e9 [ 223.425331] RSP: 0000:ffff8801bbdd6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 223.433063] RAX: ffff8801d838c080 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 223.440327] RDX: 0000000000000000 RSI: ffffffff87ab55fd RDI: 0000000000000293 [ 223.447585] RBP: ffff8801bbdd6240 R08: ffff8801d838c080 R09: fffffbfff13d9700 [ 223.454848] R10: fffffbfff13d9700 R11: 0000000000000003 R12: 0000000000000293 [ 223.462113] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff8931f280 [ 223.469414] ? trace_hardirqs_on+0x9a/0x310 [ 223.473762] ? arch_local_irq_restore+0x45/0x52 [ 223.478451] dump_stack+0x26a/0x2b4 [ 223.482080] ? dump_stack_print_info.cold.2+0x52/0x52 [ 223.487264] ? mark_held_locks+0x130/0x130 [ 223.491492] ? mark_held_locks+0x130/0x130 [ 223.495756] dump_header+0x27b/0xf72 [ 223.499470] ? rcu_read_unlock+0x16/0x60 [ 223.503549] ? pagefault_out_of_memory+0x197/0x197 [ 223.508477] ? mark_held_locks+0x130/0x130 [ 223.512720] ? percpu_ref_put_many+0x13e/0x260 [ 223.517326] ? mem_cgroup_charge_statistics+0x780/0x780 [ 223.522703] ? mem_cgroup_iter+0x1f7/0x1160 [ 223.527040] ? mark_held_locks+0x130/0x130 [ 223.531289] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.536816] ? task_will_free_mem+0x239/0xb30 [ 223.541309] ? ___ratelimit+0x36f/0x655 [ 223.545278] ? lock_downgrade+0x900/0x900 [ 223.549438] ? trace_hardirqs_on+0xbd/0x310 [ 223.553865] ? kasan_check_read+0x11/0x20 [ 223.558048] ? ___ratelimit+0x36f/0x655 [ 223.562025] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 223.567470] ? trace_hardirqs_on+0x310/0x310 [ 223.571908] ? lock_downgrade+0x900/0x900 [ 223.576069] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 223.581190] ? ___ratelimit+0xaa/0x655 [ 223.585103] ? idr_get_free+0xec0/0xec0 [ 223.589103] ? kasan_check_write+0x14/0x20 [ 223.593401] ? do_raw_spin_lock+0xc1/0x200 [ 223.597641] oom_kill_process.cold.27+0x10/0x903 [ 223.602393] ? lock_downgrade+0x900/0x900 [ 223.606565] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 223.612360] ? oom_evaluate_task+0x540/0x540 [ 223.616781] ? shrink_node+0x16b0/0x16b0 [ 223.620853] ? oom_unkillable_task+0x383/0x580 [ 223.625460] ? out_of_memory+0x974/0x1430 [ 223.629650] ? lock_downgrade+0x900/0x900 [ 223.633827] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 223.639622] ? __cpuset_node_allowed+0x19b/0x660 [ 223.644383] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 223.649917] ? oom_evaluate_task+0x302/0x540 [ 223.654321] out_of_memory+0xa84/0x1430 [ 223.658293] ? oom_killer_disable+0x3a0/0x3a0 [ 223.662780] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 223.667700] ? __mutex_add_waiter+0x2a0/0x2a0 [ 223.672206] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 223.677226] ? find_next_bit+0x104/0x130 [ 223.681281] __alloc_pages_slowpath+0x2318/0x2d80 [ 223.686134] ? warn_alloc+0x120/0x120 [ 223.689942] ? __radix_tree_lookup+0x4c0/0x4c0 [ 223.694568] ? find_get_entry+0x2f2/0xc40 [ 223.698720] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 223.703639] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 223.709186] ? should_fail+0x22d/0xd01 [ 223.713086] ? ___might_sleep+0x1ed/0x300 [ 223.717280] ? lock_release+0x970/0x970 [ 223.721263] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 223.726481] ? debug_smp_processor_id+0x1c/0x20 [ 223.731174] ? __might_sleep+0x95/0x190 [ 223.735147] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 223.739986] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 223.745010] ? lock_downgrade+0x900/0x900 [ 223.749157] ? ___might_sleep+0x1ed/0x300 [ 223.753302] ? lock_release+0x970/0x970 [ 223.757287] ? arch_local_save_flags+0x40/0x40 [ 223.761914] ? finish_task_switch+0x1f5/0x900 [ 223.766409] ? __might_sleep+0x95/0x190 [ 223.770434] __alloc_pages_nodemask+0xa80/0xde0 [ 223.775177] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 223.780210] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 223.786035] ? kasan_check_write+0x14/0x20 [ 223.790272] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 223.794948] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.800490] ? __do_page_cache_readahead+0x7ce/0x980 [ 223.805612] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 223.811162] alloc_pages_current+0x10c/0x210 [ 223.815603] ? lock_downgrade+0x900/0x900 [ 223.819752] __page_cache_alloc+0x38f/0x5b0 [ 223.824080] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 223.829899] ? ext4_filemap_fault+0x82/0xad [ 223.834245] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 223.838941] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 223.844482] ? check_preemption_disabled+0x48/0x200 [ 223.849523] filemap_fault+0x1594/0x25f0 [ 223.853586] ? __lock_page_or_retry+0xa00/0xa00 [ 223.858251] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 223.864071] ? unwind_dump+0x190/0x190 [ 223.867997] ? is_bpf_text_address+0xd3/0x170 [ 223.872504] ? filemap_map_pages+0xdea/0x1980 [ 223.877009] ? find_get_pages_range_tag+0x1320/0x1320 [ 223.882196] ? save_stack+0xa9/0xd0 [ 223.885841] ? save_stack+0x43/0xd0 [ 223.889527] ? __kasan_slab_free+0x102/0x150 [ 223.893932] ? __sigqueue_free.part.27+0x7d/0xa0 [ 223.898677] ? __dequeue_signal+0x530/0x7d0 [ 223.903010] ? dequeue_signal+0x26c/0x630 [ 223.907157] ? get_signal+0x3ec/0x1980 [ 223.911035] ? do_signal+0x9c/0x21e0 [ 223.914750] ? exit_to_usermode_loop+0x2e5/0x380 [ 223.919506] ? mark_held_locks+0x130/0x130 [ 223.923751] ? trace_hardirqs_on+0x310/0x310 [ 223.928175] ? lock_acquire+0x1ed/0x520 [ 223.932154] ? ext4_filemap_fault+0x7a/0xad [ 223.936502] ? lock_release+0x970/0x970 [ 223.940473] ? arch_local_save_flags+0x40/0x40 [ 223.945066] ? mark_held_locks+0x130/0x130 [ 223.949308] ? trace_hardirqs_off+0xb8/0x310 [ 223.953731] ? down_read+0xb0/0x1d0 [ 223.957432] ? ext4_filemap_fault+0x7a/0xad [ 223.961854] ? __down_interruptible+0x700/0x700 [ 223.966513] ? kmem_cache_free+0x21a/0x290 [ 223.970757] ? __sigqueue_free.part.27+0x7d/0xa0 [ 223.975510] ? __dequeue_signal+0xf9/0x7d0 [ 223.979786] ext4_filemap_fault+0x82/0xad [ 223.983928] __do_fault+0x100/0x6b0 [ 223.987553] ? print_bad_pte+0x6c0/0x6c0 [ 223.991606] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 223.997134] ? pmd_val+0x88/0x100 [ 224.000583] ? add_mm_counter_fast+0xd0/0xd0 [ 224.004987] ? pmd_val+0x88/0x100 [ 224.008449] ? add_mm_counter_fast+0xd0/0xd0 [ 224.012891] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 224.018438] __handle_mm_fault+0x3709/0x53e0 [ 224.022881] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 224.027738] ? kasan_check_write+0x14/0x20 [ 224.031975] ? do_raw_spin_lock+0xc1/0x200 [ 224.036205] ? _raw_spin_unlock_irq+0x60/0x80 [ 224.040720] ? __set_current_blocked+0xe4/0x120 [ 224.045434] ? lock_acquire+0x1ed/0x520 [ 224.049407] ? handle_mm_fault+0x42a/0xc70 [ 224.053637] ? lock_downgrade+0x900/0x900 [ 224.057796] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 224.063600] ? __do_page_fault+0x67d/0xed0 [ 224.068000] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 224.073444] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 224.078972] ? check_preemption_disabled+0x48/0x200 [ 224.083989] handle_mm_fault+0x54f/0xc70 [ 224.088057] ? __handle_mm_fault+0x53e0/0x53e0 [ 224.092733] ? find_vma+0x34/0x190 [ 224.096273] __do_page_fault+0x67d/0xed0 [ 224.100379] ? mm_fault_error+0x380/0x380 [ 224.104542] ? syscall_slow_exit_work+0x520/0x520 [ 224.109382] do_page_fault+0xf2/0x7e0 [ 224.113181] ? vmalloc_sync_all+0x30/0x30 [ 224.117387] ? error_entry+0x70/0xd0 [ 224.121116] ? trace_hardirqs_off_caller+0xbb/0x310 [ 224.126141] ? trace_hardirqs_on_caller+0xc0/0x310 [ 224.131082] ? syscall_return_slowpath+0x5e0/0x5e0 [ 224.136030] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 224.140884] ? trace_hardirqs_on_caller+0x310/0x310 [ 224.145894] ? trace_hardirqs_off+0x310/0x310 [ 224.150395] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 224.155415] ? prepare_exit_to_usermode+0x291/0x3b0 [ 224.160423] ? page_fault+0x8/0x30 [ 224.163972] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 224.168832] ? page_fault+0x8/0x30 [ 224.172393] page_fault+0x1e/0x30 [ 224.175842] RIP: 0033:0x45db60 [ 224.179033] Code: Bad RIP value. [ 224.182413] RSP: 002b:000000c420049ab8 EFLAGS: 00010286 [ 224.187774] RAX: 0000000000000000 RBX: 000000c420026380 RCX: 000000000045ddf3 [ 224.195034] RDX: 000000c420049ac0 RSI: 000000c420049bf0 RDI: 0000000000000011 [ 224.202324] RBP: 000000c420022f08 R08: 0000000000000000 R09: 0000000000000000 [ 224.209582] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42005c168 [ 224.216840] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000 [ 224.224119] CPU: 0 PID: 7800 Comm: syz-executor2 Not tainted 4.19.0-rc6+ #119 [ 224.224160] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 224.231383] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 224.231387] Call Trace: [ 224.231391] [ 224.231405] dump_stack+0x1c4/0x2b4 [ 224.231420] ? dump_stack_print_info.cold.2+0x52/0x52 [ 224.238062] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 224.247258] warn_alloc.cold.119+0xb7/0x1bd [ 224.249815] syz-fuzzer cpuset= [ 224.251960] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 224.255556] / [ 224.260769] ? lock_downgrade+0x900/0x900 [ 224.270992] mems_allowed=0 [ 224.275328] ? trace_hardirqs_off+0xb8/0x310 [ 224.296484] ? trace_hardirqs_off+0xb8/0x310 [ 224.300933] __alloc_pages_slowpath+0x2667/0x2d80 [ 224.305800] ? warn_alloc+0x120/0x120 [ 224.309625] ? warn_alloc+0x120/0x120 [ 224.313464] ? warn_alloc+0x120/0x120 [ 224.317278] ? mark_held_locks+0x130/0x130 [ 224.321552] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.327111] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 224.332651] ? should_fail+0x22d/0xd01 [ 224.336532] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 224.341624] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 224.347150] ? should_fail+0x22d/0xd01 [ 224.351030] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 224.356126] ? should_fail+0x22d/0xd01 [ 224.360005] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 224.365099] ? mark_held_locks+0x130/0x130 [ 224.369341] ? mark_held_locks+0x130/0x130 [ 224.373569] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.379108] ? trace_hardirqs_off+0xb8/0x310 [ 224.383534] ? kasan_check_read+0x11/0x20 [ 224.387680] ? do_raw_spin_unlock+0xa7/0x2f0 [ 224.392089] ? trace_hardirqs_on+0x310/0x310 [ 224.396488] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.402025] ? wq_watchdog_touch+0x9c/0xfe [ 224.406255] ? io_serial_in+0x11/0x90 [ 224.410081] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.415618] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 224.420753] __alloc_pages_nodemask+0xa80/0xde0 [ 224.425413] ? should_fail+0x22d/0xd01 [ 224.429294] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 224.434317] ? ____cache_alloc_node+0x1c7/0x1e0 [ 224.438976] ? lock_downgrade+0x900/0x900 [ 224.443120] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.448659] cache_grow_begin+0x91/0x8c0 [ 224.452735] ? do_raw_spin_unlock+0xa7/0x2f0 [ 224.457148] fallback_alloc+0x203/0x2e0 [ 224.461171] ____cache_alloc_node+0x1c7/0x1e0 [ 224.465693] kmem_cache_alloc_node+0xe3/0x730 [ 224.470195] ? ipv6_get_ifaddr+0x42e/0x620 [ 224.474433] __alloc_skb+0x119/0x770 [ 224.478141] ? skb_scrub_packet+0x490/0x490 [ 224.482473] ? lock_downgrade+0x900/0x900 [ 224.486621] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.492171] ? refcount_sub_and_test_checked+0x203/0x310 [ 224.497617] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 224.503077] ? addrconf_rs_timer+0x690/0x690 [ 224.507492] ndisc_alloc_skb+0x144/0x340 [ 224.511550] ndisc_send_rs+0x331/0x6e0 [ 224.515443] addrconf_rs_timer+0x314/0x690 [ 224.519804] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 224.524074] call_timer_fn+0x272/0x920 [ 224.527993] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 224.532351] ? process_timeout+0x40/0x40 [ 224.536417] ? trace_hardirqs_off+0xb8/0x310 [ 224.540818] ? kasan_check_read+0x11/0x20 [ 224.545007] ? do_raw_spin_unlock+0xa7/0x2f0 [ 224.549435] ? trace_hardirqs_on+0x310/0x310 [ 224.553871] ? __run_timers+0x7da/0xc70 [ 224.557893] ? lock_downgrade+0x900/0x900 [ 224.562039] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 224.567141] ? trace_hardirqs_on+0xbd/0x310 [ 224.571473] ? kasan_check_read+0x11/0x20 [ 224.575630] ? __run_timers+0x7da/0xc70 [ 224.579599] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 224.585081] ? kasan_check_write+0x14/0x20 [ 224.589313] ? do_raw_spin_lock+0xc1/0x200 [ 224.593550] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 224.597801] __run_timers+0x7e5/0xc70 [ 224.601620] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 224.606977] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 224.611989] ? timerqueue_add+0x207/0x2b0 [ 224.616138] ? enqueue_hrtimer+0x1a5/0x560 [ 224.620379] ? lock_release+0x970/0x970 [ 224.624349] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 224.629579] ? kasan_check_write+0x14/0x20 [ 224.633851] ? pvclock_read_flags+0x160/0x160 [ 224.638366] ? lock_downgrade+0x900/0x900 [ 224.642528] ? trace_hardirqs_on+0xbd/0x310 [ 224.646841] ? kvm_sched_clock_read+0x9/0x20 [ 224.651259] ? irq_exit+0x17f/0x1c0 [ 224.654882] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.660432] ? check_preemption_disabled+0x48/0x200 [ 224.665442] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.670977] run_timer_softirq+0x52/0xb0 [ 224.675038] ? __this_cpu_preempt_check+0x1c/0x1f [ 224.679885] __do_softirq+0x30b/0xad8 [ 224.683683] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 224.688785] ? pvclock_read_flags+0x160/0x160 [ 224.693274] ? lapic_next_event+0x5a/0x90 [ 224.697411] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.703023] ? clockevents_program_event+0x140/0x370 [ 224.708141] ? kvm_clock_read+0x18/0x30 [ 224.712154] ? kvm_sched_clock_read+0x9/0x20 [ 224.716574] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.722120] ? check_preemption_disabled+0x48/0x200 [ 224.727141] irq_exit+0x17f/0x1c0 [ 224.730587] smp_apic_timer_interrupt+0x1cb/0x760 [ 224.735419] ? smp_reschedule_interrupt+0x109/0x650 [ 224.740562] ? smp_call_function_single_interrupt+0x650/0x650 [ 224.746436] ? interrupt_entry+0xb5/0xf0 [ 224.750487] ? trace_hardirqs_off_caller+0xbb/0x310 [ 224.755496] ? trace_hardirqs_off_caller+0xbb/0x310 [ 224.760504] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 224.765344] ? trace_hardirqs_on_caller+0x310/0x310 [ 224.770370] ? trace_hardirqs_on_caller+0x310/0x310 [ 224.775377] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.780906] ? check_preemption_disabled+0x48/0x200 [ 224.785954] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 224.790800] apic_timer_interrupt+0xf/0x20 [ 224.795022] [ 224.797295] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 224.803174] Code: 3f 7e 0f 85 32 ff ff ff e8 53 4a 3e ff e9 28 ff ff ff e8 ba ad c2 ff 48 83 3d 0a bf 6f 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 62 23 [ 224.822170] RSP: 0018:ffff88019a29f4a8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 224.829893] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000627e000 [ 224.837151] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 224.844416] RBP: ffff88019a29f520 R08: ffff8801ba14e480 R09: fffffbfff12720c0 [ 224.851689] R10: ffff88019a29e0f0 R11: ffffffff89390603 R12: ffff8801da800ac0 [ 224.858954] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286 [ 224.866242] ? trace_hardirqs_on+0xb4/0x310 [ 224.870599] ? save_stack+0xa9/0xd0 [ 224.874224] __kmalloc_node_track_caller+0x33/0x70 [ 224.879152] __kmalloc_reserve.isra.39+0xcc/0xe0 [ 224.883918] pskb_expand_head+0x230/0x10f0 [ 224.888142] ? lock_downgrade+0x900/0x900 [ 224.892283] ? check_preemption_disabled+0x48/0x200 [ 224.897295] ? memcpy+0x45/0x50 [ 224.900577] ? __copy_skb_header+0x350/0x6b0 [ 224.904983] ? __pskb_copy_fclone+0xeb0/0xeb0 [ 224.909479] ? skb_checksum+0x140/0x140 [ 224.913461] ? trace_hardirqs_on+0xbd/0x310 [ 224.917801] ? skb_clone+0x1bb/0x500 [ 224.921536] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 224.926986] ? kasan_unpoison_shadow+0x35/0x50 [ 224.931563] ? kasan_check_write+0x14/0x20 [ 224.935787] ? __skb_clone+0x6c7/0xa00 [ 224.939675] ? __copy_skb_header+0x6b0/0x6b0 [ 224.944081] ? kmem_cache_alloc+0x306/0x730 [ 224.948975] skb_ensure_writable+0x3dd/0x640 [ 224.953380] ? skb_cow_data+0xf10/0xf10 [ 224.957356] ? check_preemption_disabled+0x48/0x200 [ 224.962371] ? __this_cpu_preempt_check+0x1c/0x1f [ 224.967207] ? __bpf_redirect+0x54b/0xb20 [ 224.971354] ? __switch_to_asm+0x34/0x70 [ 224.975413] bpf_clone_redirect+0x14a/0x490 [ 224.979742] bpf_prog_3d1649e183dc2cc1+0xca3/0x1000 [ 224.984772] ? __sched_text_start+0x8/0x8 [ 224.988916] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 224.993668] ? retint_kernel+0x2d/0x2d [ 224.997567] ? trace_hardirqs_on_caller+0xc0/0x310 [ 225.002490] ? retint_kernel+0x2d/0x2d [ 225.006391] ? trace_hardirqs_on_caller+0xc0/0x310 [ 225.011353] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 225.016106] ? trace_hardirqs_off+0x310/0x310 [ 225.020630] ? retint_kernel+0x1b/0x2d [ 225.024518] ? lock_acquire+0x1ed/0x520 [ 225.028485] ? bpf_test_run+0x3cb/0x780 [ 225.032451] ? lock_downgrade+0x900/0x900 [ 225.036595] ? lock_release+0x970/0x970 [ 225.040568] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 225.046366] ? preempt_schedule_common+0x1f/0xd0 [ 225.051132] ? preempt_schedule+0x4d/0x60 [ 225.055275] ? ___preempt_schedule+0x16/0x18 [ 225.059690] ? bpf_test_run+0x25d/0x780 [ 225.063705] ? netlink_diag_dump+0x2a0/0x2a0 [ 225.068122] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 225.073654] ? bpf_test_init.isra.9+0x70/0x100 [ 225.078228] ? bpf_prog_test_run_skb+0x634/0xb40 [ 225.083039] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 225.087888] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 225.093414] ? fput+0x130/0x1a0 [ 225.096689] ? __bpf_prog_get+0x9b/0x290 [ 225.100821] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 225.105659] ? bpf_prog_test_run+0x130/0x1a0 [ 225.110064] ? __x64_sys_bpf+0x3d8/0x510 [ 225.114117] ? bpf_prog_get+0x20/0x20 [ 225.117930] ? __x64_sys_futex+0x4bc/0x6a0 [ 225.122163] ? do_syscall_64+0x1b9/0x820 [ 225.126225] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 225.131584] ? syscall_return_slowpath+0x5e0/0x5e0 [ 225.136515] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 225.141356] ? trace_hardirqs_on_caller+0x310/0x310 [ 225.146372] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 225.151415] ? prepare_exit_to_usermode+0x291/0x3b0 [ 225.156431] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 225.161293] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 225.166669] warn_alloc_show_mem: 1 callbacks suppressed [ 225.166680] CPU: 1 PID: 5806 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #119 [ 225.166681] Mem-Info: [ 225.166707] active_anon:46475 inactive_anon:4207 isolated_anon:0 [ 225.166707] active_file:17 inactive_file:13 isolated_file:0 [ 225.166707] unevictable:0 dirty:0 writeback:0 unstable:0 [ 225.166707] slab_reclaimable:8782 slab_unreclaimable:1485678 [ 225.166707] mapped:8194 shmem:4214 pagetables:396 bounce:0 [ 225.166707] free:13756 free_pcp:276 free_cma:0 [ 225.172086] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 225.179137] Node 0 active_anon:185900kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32776kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 225.181583] Call Trace: [ 225.214545] Node 0 [ 225.223909] [ 225.251670] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 225.254243] dump_stack+0x1c4/0x2b4 [ 225.256452] lowmem_reserve[]: [ 225.258592] ? dump_stack_print_info.cold.2+0x52/0x52 [ 225.284081] 0 [ 225.287721] warn_alloc.cold.119+0xb7/0x1bd [ 225.290805] 2819 [ 225.295981] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 225.297756] 6323 [ 225.302115] ? lock_downgrade+0x900/0x900 [ 225.304248] 6323 [ 225.309115] ? trace_hardirqs_off+0xb8/0x310 [ 225.311162] Node 0 [ 225.315322] ? trace_hardirqs_off+0xb8/0x310 [ 225.317377] DMA32 free:25168kB min:30060kB low:37572kB high:45084kB active_anon:10240kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 225.321764] __alloc_pages_slowpath+0x2667/0x2d80 [ 225.323996] lowmem_reserve[]: [ 225.328416] ? warn_alloc+0x120/0x120 [ 225.355614] 0 [ 225.360463] ? trace_hardirqs_on+0x310/0x310 [ 225.363541] 0 [ 225.367332] ? warn_alloc+0x120/0x120 [ 225.369111] 3503 [ 225.373526] ? warn_alloc+0x120/0x120 [ 225.375318] 3503 [ 225.379124] ? ktime_get+0x2e1/0x440 [ 225.384967] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.387005] Node 0 [ 225.390706] ? check_preemption_disabled+0x48/0x200 [ 225.396293] Normal free:13948kB min:37352kB low:46688kB high:56024kB active_anon:175660kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5056kB pagetables:1584kB bounce:0kB free_pcp:856kB local_pcp:320kB free_cma:0kB [ 225.398490] ? kasan_check_read+0x11/0x20 [ 225.403512] lowmem_reserve[]: [ 225.432215] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 225.436455] 0 [ 225.439580] ? should_fail+0x22d/0xd01 [ 225.445104] 0 [ 225.446916] ? rcu_bh_qs+0xc0/0xc0 [ 225.450777] 0 [ 225.452568] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 225.456123] 0 [ 225.457918] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 225.464813] ? should_fail+0x22d/0xd01 [ 225.470327] Node 0 DMA: [ 225.474220] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 225.476892] 1*4kB [ 225.481987] ? should_fail+0x22d/0xd01 [ 225.481990] (U) 0*8kB [ 225.484145] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 225.488012] 0*16kB [ 225.490503] ? mark_held_locks+0x130/0x130 [ 225.495590] 1*32kB [ 225.497831] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.502050] (U) [ 225.504307] ? mark_held_locks+0x130/0x130 [ 225.509831] 2*64kB [ 225.511915] ? mark_held_locks+0x130/0x130 [ 225.516121] (U) [ 225.518361] ? lock_downgrade+0x900/0x900 [ 225.522571] 1*128kB [ 225.524540] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.528670] (U) [ 225.530984] ? trace_hardirqs_off+0xb8/0x310 [ 225.536510] 1*256kB [ 225.538481] ? kasan_check_read+0x11/0x20 [ 225.542865] (U) [ 225.545198] ? do_raw_spin_unlock+0xa7/0x2f0 [ 225.549321] 0*512kB [ 225.551287] ? trace_hardirqs_on+0x310/0x310 [ 225.555667] 1*1024kB [ 225.558056] ? kasan_check_write+0x14/0x20 [ 225.562468] (U) [ 225.564869] ? do_raw_spin_lock+0xc1/0x200 [ 225.569091] 1*2048kB [ 225.571103] __alloc_pages_nodemask+0xa80/0xde0 [ 225.575325] (M) [ 225.577742] ? should_fail+0x22d/0xd01 [ 225.582413] 3*4096kB [ 225.584387] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 225.588244] (M) [ 225.590652] ? ____cache_alloc_node+0x1c7/0x1e0 [ 225.595649] = 15908kB [ 225.597665] ? lock_downgrade+0x900/0x900 [ 225.602407] Node 0 [ 225.604813] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.608928] DMA32: [ 225.611168] cache_grow_begin+0x91/0x8c0 [ 225.616719] 2*4kB [ 225.618958] ? do_raw_spin_unlock+0xa7/0x2f0 [ 225.623022] (M) [ 225.625199] fallback_alloc+0x203/0x2e0 [ 225.629642] 1*8kB [ 225.631613] ____cache_alloc_node+0x1c7/0x1e0 [ 225.635607] (M) [ 225.637762] kmem_cache_alloc_node+0xe3/0x730 [ 225.642225] 2*16kB (M) [ 225.644198] ? ipv6_get_ifaddr+0x42e/0x620 [ 225.648677] 3*32kB [ 225.651272] __alloc_skb+0x119/0x770 [ 225.655577] (MH) [ 225.657822] ? skb_scrub_packet+0x490/0x490 [ 225.661510] 5*64kB [ 225.663561] ? lock_downgrade+0x900/0x900 [ 225.667859] (MH) [ 225.670081] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.674216] 3*128kB [ 225.676282] ? refcount_sub_and_test_checked+0x203/0x310 [ 225.681805] (M) [ 225.684130] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 225.689560] 5*256kB [ 225.691535] ? addrconf_rs_timer+0x690/0x690 [ 225.696972] (UMH) [ 225.699296] ndisc_alloc_skb+0x144/0x340 [ 225.703720] 5*512kB [ 225.705894] ndisc_send_rs+0x331/0x6e0 [ 225.709950] (UMH) [ 225.712275] addrconf_rs_timer+0x314/0x690 [ 225.716134] 4*1024kB [ 225.718293] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 225.722501] (UMH) [ 225.724907] call_timer_fn+0x272/0x920 [ 225.729146] 2*2048kB [ 225.731312] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 225.735192] (M) [ 225.737596] ? process_timeout+0x40/0x40 [ 225.741839] 3*4096kB [ 225.743800] ? trace_hardirqs_off+0xb8/0x310 [ 225.747833] (M) [ 225.750234] ? kasan_check_read+0x11/0x20 [ 225.754674] = 25168kB [ 225.756729] ? do_raw_spin_unlock+0xa7/0x2f0 [ 225.760867] Node 0 [ 225.763270] ? trace_hardirqs_on+0x310/0x310 [ 225.767646] Normal: 1081*4kB [ 225.769901] ? __run_timers+0x7da/0xc70 [ 225.774322] (UMEH) [ 225.777440] ? lock_downgrade+0x900/0x900 [ 225.781393] 387*8kB [ 225.783628] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 225.787801] (ME) [ 225.790128] ? trace_hardirqs_on+0xbd/0x310 [ 225.795209] 152*16kB [ 225.797308] ? kasan_check_read+0x11/0x20 [ 225.801614] (UME) [ 225.804048] ? __run_timers+0x7da/0xc70 [ 225.808286] 54*32kB [ 225.810442] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 225.814438] (UME) [ 225.816775] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.822208] 21*64kB [ 225.824354] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 225.829868] (UM) [ 225.832211] __run_timers+0x7e5/0xc70 [ 225.836415] 0*128kB [ 225.838472] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 225.842260] 0*256kB [ 225.844568] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 225.849907] 2*512kB [ 225.852236] ? timerqueue_add+0x207/0x2b0 [ 225.857238] (U) [ 225.859559] ? enqueue_hrtimer+0x1a5/0x560 [ 225.863837] 0*1024kB [ 225.865800] ? lock_release+0x970/0x970 [ 225.870121] 0*2048kB [ 225.872552] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 225.876530] 0*4096kB [ 225.878929] ? check_preemption_disabled+0x48/0x200 [ 225.884097] = 13948kB [ 225.886498] ? kasan_check_write+0x14/0x20 [ 225.891502] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 225.893921] ? pvclock_read_flags+0x160/0x160 [ 225.898177] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 225.906998] ? lock_downgrade+0x900/0x900 [ 225.911480] 4244 total pagecache pages [ 225.920054] ? trace_hardirqs_on+0xbd/0x310 [ 225.924184] 0 pages in swap cache [ 225.928081] ? kvm_sched_clock_read+0x9/0x20 [ 225.932375] Swap cache stats: add 0, delete 0, find 0/0 [ 225.935823] ? irq_exit+0x17f/0x1c0 [ 225.940199] Free swap = 0kB [ 225.945551] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.949147] Total swap = 0kB [ 225.952171] ? check_preemption_disabled+0x48/0x200 [ 225.957704] 1965979 pages RAM [ 225.960752] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.965751] 0 pages HighMem/MovableOnly [ 225.968853] run_timer_softirq+0x52/0xb0 [ 225.974389] 342307 pages reserved [ 225.978349] ? __this_cpu_preempt_check+0x1c/0x1f [ 225.982383] 0 pages cma reserved [ 225.985824] __do_softirq+0x30b/0xad8 [ 225.990684] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 225.993997] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 225.997841] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 226.004258] ? pvclock_read_flags+0x160/0x160 [ 226.009370] syz-executor2 cpuset= [ 226.019871] ? lapic_next_event+0x5a/0x90 [ 226.024343] syz2 [ 226.027793] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.031948] mems_allowed=0 [ 226.033932] ? clockevents_program_event+0x140/0x370 [ 226.047458] ? kvm_clock_read+0x18/0x30 [ 226.051440] ? kvm_sched_clock_read+0x9/0x20 [ 226.055856] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.061391] ? check_preemption_disabled+0x48/0x200 [ 226.066410] irq_exit+0x17f/0x1c0 [ 226.069873] smp_apic_timer_interrupt+0x1cb/0x760 [ 226.074709] ? smp_reschedule_interrupt+0x109/0x650 [ 226.079747] ? smp_call_function_single_interrupt+0x650/0x650 [ 226.085630] ? interrupt_entry+0xb5/0xf0 [ 226.089687] ? trace_hardirqs_off_caller+0xbb/0x310 [ 226.094707] ? trace_hardirqs_off_caller+0xbb/0x310 [ 226.099740] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 226.104603] ? trace_hardirqs_on_caller+0x310/0x310 [ 226.109662] ? trace_hardirqs_on_caller+0x310/0x310 [ 226.114674] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 226.120202] ? check_preemption_disabled+0x48/0x200 [ 226.125213] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 226.130772] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 226.135645] apic_timer_interrupt+0xf/0x20 [ 226.139869] [ 226.142102] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 226.147305] Code: 00 e8 97 f5 a3 f9 e8 d2 63 d3 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d 24 75 80 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d fa 74 [ 226.166238] RSP: 0000:ffff8801bbdd6150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 226.173955] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 226.181247] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe740 [ 226.188564] RBP: ffff8801bbdd6178 R08: ffff8801d838c080 R09: ffffed003b5e5979 [ 226.195839] R10: ffffed003b5e5979 R11: ffff8801daf2cbcb R12: dffffc0000000000 [ 226.203117] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 226.210426] ? trace_hardirqs_on+0x9a/0x310 [ 226.214761] ? trace_hardirqs_on+0xb4/0x310 [ 226.219086] retint_kernel+0x1b/0x2d [ 226.222796] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 226.228070] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 21 17 fa 48 83 3d 99 9c 86 01 00 75 07 e8 9a 7f d3 f9 0f 0b e8 93 7f d3 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 21 17 fa 4c 8b 45 d0 e9 [ 226.246993] RSP: 0000:ffff8801bbdd6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 226.254717] RAX: ffff8801d838c080 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 226.262080] RDX: 0000000000000000 RSI: ffffffff87ab55fd RDI: 0000000000000293 [ 226.269357] RBP: ffff8801bbdd6240 R08: ffff8801d838c080 R09: fffffbfff13d9700 [ 226.276635] R10: fffffbfff13d9700 R11: 0000000000000003 R12: 0000000000000293 [ 226.283910] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff8931f280 [ 226.291178] ? trace_hardirqs_on+0x9a/0x310 [ 226.295491] ? arch_local_irq_restore+0x45/0x52 [ 226.300182] dump_stack+0x26a/0x2b4 [ 226.303839] ? dump_stack_print_info.cold.2+0x52/0x52 [ 226.309052] ? mark_held_locks+0x130/0x130 [ 226.313294] ? mark_held_locks+0x130/0x130 [ 226.317524] dump_header+0x27b/0xf72 [ 226.321235] ? rcu_read_unlock+0x16/0x60 [ 226.325294] ? pagefault_out_of_memory+0x197/0x197 [ 226.330251] ? mark_held_locks+0x130/0x130 [ 226.334493] ? percpu_ref_put_many+0x13e/0x260 [ 226.339078] ? mem_cgroup_charge_statistics+0x780/0x780 [ 226.344440] ? mem_cgroup_iter+0x1f7/0x1160 [ 226.348799] ? mark_held_locks+0x130/0x130 [ 226.353065] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.358625] ? task_will_free_mem+0x239/0xb30 [ 226.363136] ? ___ratelimit+0x36f/0x655 [ 226.367120] ? lock_downgrade+0x900/0x900 [ 226.371263] ? trace_hardirqs_on+0xbd/0x310 [ 226.375574] ? kasan_check_read+0x11/0x20 [ 226.379709] ? ___ratelimit+0x36f/0x655 [ 226.383727] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 226.389189] ? trace_hardirqs_on+0x310/0x310 [ 226.393595] ? lock_downgrade+0x900/0x900 [ 226.397755] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 226.402857] ? ___ratelimit+0xaa/0x655 [ 226.406759] ? idr_get_free+0xec0/0xec0 [ 226.410745] ? kasan_check_write+0x14/0x20 [ 226.414993] ? do_raw_spin_lock+0xc1/0x200 [ 226.419303] oom_kill_process.cold.27+0x10/0x903 [ 226.424083] ? lock_downgrade+0x900/0x900 [ 226.428238] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 226.434046] ? oom_evaluate_task+0x540/0x540 [ 226.438445] ? shrink_node+0x16b0/0x16b0 [ 226.442508] ? oom_unkillable_task+0x383/0x580 [ 226.447082] ? out_of_memory+0x974/0x1430 [ 226.451226] ? lock_downgrade+0x900/0x900 [ 226.455375] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 226.461168] ? __cpuset_node_allowed+0x19b/0x660 [ 226.465922] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 226.471455] ? oom_evaluate_task+0x302/0x540 [ 226.475861] out_of_memory+0xa84/0x1430 [ 226.479845] ? oom_killer_disable+0x3a0/0x3a0 [ 226.484336] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 226.489262] ? __mutex_add_waiter+0x2a0/0x2a0 [ 226.493775] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 226.498792] ? find_next_bit+0x104/0x130 [ 226.502865] __alloc_pages_slowpath+0x2318/0x2d80 [ 226.507778] ? warn_alloc+0x120/0x120 [ 226.511619] ? __radix_tree_lookup+0x4c0/0x4c0 [ 226.516261] ? find_get_entry+0x2f2/0xc40 [ 226.520409] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 226.525344] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 226.530874] ? should_fail+0x22d/0xd01 [ 226.534754] ? ___might_sleep+0x1ed/0x300 [ 226.538896] ? lock_release+0x970/0x970 [ 226.542865] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 226.547963] ? debug_smp_processor_id+0x1c/0x20 [ 226.552630] ? __might_sleep+0x95/0x190 [ 226.556619] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 226.561461] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 226.566479] ? lock_downgrade+0x900/0x900 [ 226.570619] ? ___might_sleep+0x1ed/0x300 [ 226.574803] ? lock_release+0x970/0x970 [ 226.578793] ? arch_local_save_flags+0x40/0x40 [ 226.583391] ? finish_task_switch+0x1f5/0x900 [ 226.587887] ? __might_sleep+0x95/0x190 [ 226.591875] __alloc_pages_nodemask+0xa80/0xde0 [ 226.596551] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 226.601565] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 226.607395] ? kasan_check_write+0x14/0x20 [ 226.611638] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 226.616329] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.621868] ? __do_page_cache_readahead+0x7ce/0x980 [ 226.627007] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 226.632547] alloc_pages_current+0x10c/0x210 [ 226.636962] ? lock_downgrade+0x900/0x900 [ 226.641143] __page_cache_alloc+0x38f/0x5b0 [ 226.645465] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 226.651274] ? ext4_filemap_fault+0x82/0xad [ 226.655620] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 226.660296] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 226.665830] ? check_preemption_disabled+0x48/0x200 [ 226.670840] filemap_fault+0x1594/0x25f0 [ 226.674899] ? __lock_page_or_retry+0xa00/0xa00 [ 226.679560] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 226.685354] ? unwind_dump+0x190/0x190 [ 226.689250] ? is_bpf_text_address+0xd3/0x170 [ 226.693760] ? filemap_map_pages+0xdea/0x1980 [ 226.698259] ? find_get_pages_range_tag+0x1320/0x1320 [ 226.703454] ? save_stack+0xa9/0xd0 [ 226.707085] ? save_stack+0x43/0xd0 [ 226.710704] ? __kasan_slab_free+0x102/0x150 [ 226.715132] ? __sigqueue_free.part.27+0x7d/0xa0 [ 226.719916] ? __dequeue_signal+0x530/0x7d0 [ 226.724366] ? dequeue_signal+0x26c/0x630 [ 226.728512] ? get_signal+0x3ec/0x1980 [ 226.732407] ? do_signal+0x9c/0x21e0 [ 226.736136] ? exit_to_usermode_loop+0x2e5/0x380 [ 226.740932] ? mark_held_locks+0x130/0x130 [ 226.745185] ? trace_hardirqs_on+0x310/0x310 [ 226.749589] ? lock_acquire+0x1ed/0x520 [ 226.753561] ? ext4_filemap_fault+0x7a/0xad [ 226.757908] ? lock_release+0x970/0x970 [ 226.761879] ? arch_local_save_flags+0x40/0x40 [ 226.766498] ? mark_held_locks+0x130/0x130 [ 226.770764] ? trace_hardirqs_off+0xb8/0x310 [ 226.775171] ? down_read+0xb0/0x1d0 [ 226.778791] ? ext4_filemap_fault+0x7a/0xad [ 226.783143] ? __down_interruptible+0x700/0x700 [ 226.787839] ? kmem_cache_free+0x21a/0x290 [ 226.792168] ? __sigqueue_free.part.27+0x7d/0xa0 [ 226.796923] ? __dequeue_signal+0xf9/0x7d0 [ 226.801166] ext4_filemap_fault+0x82/0xad [ 226.805424] __do_fault+0x100/0x6b0 [ 226.809048] ? print_bad_pte+0x6c0/0x6c0 [ 226.813124] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 226.818683] ? pmd_val+0x88/0x100 [ 226.822149] ? add_mm_counter_fast+0xd0/0xd0 [ 226.826558] ? pmd_val+0x88/0x100 [ 226.830033] ? add_mm_counter_fast+0xd0/0xd0 [ 226.834438] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 226.839991] __handle_mm_fault+0x3709/0x53e0 [ 226.844565] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 226.849400] ? kasan_check_write+0x14/0x20 [ 226.853675] ? do_raw_spin_lock+0xc1/0x200 [ 226.857920] ? _raw_spin_unlock_irq+0x60/0x80 [ 226.862429] ? __set_current_blocked+0xe4/0x120 [ 226.867107] ? lock_acquire+0x1ed/0x520 [ 226.871080] ? handle_mm_fault+0x42a/0xc70 [ 226.875327] ? lock_downgrade+0x900/0x900 [ 226.879468] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 226.885270] ? __do_page_fault+0x67d/0xed0 [ 226.889501] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 226.894945] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 226.900489] ? check_preemption_disabled+0x48/0x200 [ 226.905504] handle_mm_fault+0x54f/0xc70 [ 226.909566] ? __handle_mm_fault+0x53e0/0x53e0 [ 226.914144] ? find_vma+0x34/0x190 [ 226.917684] __do_page_fault+0x67d/0xed0 [ 226.921818] ? mm_fault_error+0x380/0x380 [ 226.925973] ? syscall_slow_exit_work+0x520/0x520 [ 226.930811] do_page_fault+0xf2/0x7e0 [ 226.934653] ? vmalloc_sync_all+0x30/0x30 [ 226.938803] ? error_entry+0x70/0xd0 [ 226.942530] ? trace_hardirqs_off_caller+0xbb/0x310 [ 226.947546] ? trace_hardirqs_on_caller+0xc0/0x310 [ 226.952473] ? syscall_return_slowpath+0x5e0/0x5e0 [ 226.957399] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 226.962242] ? trace_hardirqs_on_caller+0x310/0x310 [ 226.967265] ? trace_hardirqs_off+0x310/0x310 [ 226.971800] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 226.976842] ? prepare_exit_to_usermode+0x291/0x3b0 [ 226.981866] ? page_fault+0x8/0x30 [ 226.985404] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 226.990248] ? page_fault+0x8/0x30 [ 226.993785] page_fault+0x1e/0x30 [ 226.997238] RIP: 0033:0x45db60 [ 227.000428] Code: Bad RIP value. [ 227.003807] RSP: 002b:000000c420049ab8 EFLAGS: 00010286 [ 227.009166] RAX: 0000000000000000 RBX: 000000c420026380 RCX: 000000000045ddf3 [ 227.016431] RDX: 000000c420049ac0 RSI: 000000c420049bf0 RDI: 0000000000000011 [ 227.023693] RBP: 000000c420022f08 R08: 0000000000000000 R09: 0000000000000000 [ 227.030967] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42005c168 [ 227.038281] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000 [ 227.045592] CPU: 0 PID: 7800 Comm: syz-executor2 Not tainted 4.19.0-rc6+ #119 [ 227.045635] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 227.052900] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 227.052904] Call Trace: [ 227.052909] [ 227.052937] dump_stack+0x1c4/0x2b4 [ 227.052953] ? dump_stack_print_info.cold.2+0x52/0x52 [ 227.059498] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 227.068804] warn_alloc.cold.119+0xb7/0x1bd [ 227.071358] syz-fuzzer cpuset= [ 227.073497] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 227.077104] / [ 227.082290] ? lock_downgrade+0x900/0x900 [ 227.092491] mems_allowed=0 [ 227.096843] ? trace_hardirqs_off+0xb8/0x310 [ 227.118106] ? trace_hardirqs_off+0xb8/0x310 [ 227.122521] __alloc_pages_slowpath+0x2667/0x2d80 [ 227.127371] ? warn_alloc+0x120/0x120 [ 227.131177] ? trace_hardirqs_on+0x310/0x310 [ 227.135578] ? warn_alloc+0x120/0x120 [ 227.139395] ? warn_alloc+0x120/0x120 [ 227.143220] ? ktime_get+0x2e1/0x440 [ 227.146977] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.152547] ? check_preemption_disabled+0x48/0x200 [ 227.157557] ? kasan_check_read+0x11/0x20 [ 227.161699] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 227.167249] ? should_fail+0x22d/0xd01 [ 227.171152] ? rcu_bh_qs+0xc0/0xc0 [ 227.174704] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 227.179812] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 227.185375] ? should_fail+0x22d/0xd01 [ 227.189257] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 227.194352] ? should_fail+0x22d/0xd01 [ 227.198241] ? rcu_idle_enter+0x4b0/0x4b0 [ 227.202386] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 227.207499] ? mark_held_locks+0x130/0x130 [ 227.211745] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.217286] ? mark_held_locks+0x130/0x130 [ 227.221531] ? rcu_irq_exit+0xce/0x100 [ 227.225420] ? irq_exit+0xbd/0x1c0 [ 227.228967] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 227.233977] ? do_raw_spin_unlock+0xa7/0x2f0 [ 227.238419] ? smp_call_function_single_interrupt+0x650/0x650 [ 227.244309] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.249842] ? ret_from_intr+0xb/0x1e [ 227.253642] ? retint_kernel+0x2d/0x2d [ 227.257521] ? trace_hardirqs_on_caller+0xc0/0x310 [ 227.262457] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 227.267207] ? trace_hardirqs_off+0x310/0x310 [ 227.271700] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 227.276817] __alloc_pages_nodemask+0xa80/0xde0 [ 227.281481] ? should_fail+0x22d/0xd01 [ 227.285368] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 227.290398] ? ____cache_alloc_node+0x1c7/0x1e0 [ 227.295067] ? lock_downgrade+0x900/0x900 [ 227.299228] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.304775] cache_grow_begin+0x91/0x8c0 [ 227.308834] ? do_raw_spin_unlock+0xa7/0x2f0 [ 227.313248] fallback_alloc+0x203/0x2e0 [ 227.317253] ____cache_alloc_node+0x1c7/0x1e0 [ 227.321789] kmem_cache_alloc_node+0xe3/0x730 [ 227.326302] ? ipv6_get_ifaddr+0x42e/0x620 [ 227.330554] __alloc_skb+0x119/0x770 [ 227.334266] ? skb_scrub_packet+0x490/0x490 [ 227.338581] ? lock_downgrade+0x900/0x900 [ 227.342746] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.348285] ? refcount_sub_and_test_checked+0x203/0x310 [ 227.353770] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 227.359246] ? addrconf_rs_timer+0x690/0x690 [ 227.363668] ndisc_alloc_skb+0x144/0x340 [ 227.367739] ndisc_send_rs+0x331/0x6e0 [ 227.371641] addrconf_rs_timer+0x314/0x690 [ 227.375891] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 227.380151] call_timer_fn+0x272/0x920 [ 227.384050] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 227.388317] ? process_timeout+0x40/0x40 [ 227.392387] ? trace_hardirqs_off+0xb8/0x310 [ 227.396806] ? kasan_check_read+0x11/0x20 [ 227.400968] ? do_raw_spin_unlock+0xa7/0x2f0 [ 227.405379] ? trace_hardirqs_on+0x310/0x310 [ 227.409791] ? __run_timers+0x7da/0xc70 [ 227.413794] ? lock_downgrade+0x900/0x900 [ 227.417945] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 227.423055] ? trace_hardirqs_on+0xbd/0x310 [ 227.427383] ? kasan_check_read+0x11/0x20 [ 227.431529] ? __run_timers+0x7da/0xc70 [ 227.435529] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 227.440978] ? kasan_check_write+0x14/0x20 [ 227.445229] ? do_raw_spin_lock+0xc1/0x200 [ 227.449571] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 227.453803] __run_timers+0x7e5/0xc70 [ 227.457637] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 227.463000] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 227.468012] ? timerqueue_add+0x207/0x2b0 [ 227.472161] ? enqueue_hrtimer+0x1a5/0x560 [ 227.476397] ? lock_release+0x970/0x970 [ 227.480373] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 227.485569] ? kasan_check_write+0x14/0x20 [ 227.489810] ? pvclock_read_flags+0x160/0x160 [ 227.494331] ? lock_downgrade+0x900/0x900 [ 227.498484] ? trace_hardirqs_on+0xbd/0x310 [ 227.502803] ? kvm_sched_clock_read+0x9/0x20 [ 227.507214] ? irq_exit+0x17f/0x1c0 [ 227.510844] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.516405] ? check_preemption_disabled+0x48/0x200 [ 227.521445] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.526979] run_timer_softirq+0x52/0xb0 [ 227.531035] ? __this_cpu_preempt_check+0x1c/0x1f [ 227.535883] __do_softirq+0x30b/0xad8 [ 227.539685] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 227.544817] ? pvclock_read_flags+0x160/0x160 [ 227.549339] ? lapic_next_event+0x5a/0x90 [ 227.553499] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.559047] ? clockevents_program_event+0x140/0x370 [ 227.564153] ? kvm_clock_read+0x18/0x30 [ 227.568123] ? kvm_sched_clock_read+0x9/0x20 [ 227.572533] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.578072] ? check_preemption_disabled+0x48/0x200 [ 227.583104] irq_exit+0x17f/0x1c0 [ 227.586595] smp_apic_timer_interrupt+0x1cb/0x760 [ 227.591454] ? smp_reschedule_interrupt+0x109/0x650 [ 227.596469] ? smp_call_function_single_interrupt+0x650/0x650 [ 227.602348] ? interrupt_entry+0xb5/0xf0 [ 227.606443] ? trace_hardirqs_off_caller+0xbb/0x310 [ 227.611465] ? trace_hardirqs_off_caller+0xbb/0x310 [ 227.616490] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 227.621340] ? trace_hardirqs_on_caller+0x310/0x310 [ 227.626365] ? trace_hardirqs_on_caller+0x310/0x310 [ 227.631395] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.636927] ? check_preemption_disabled+0x48/0x200 [ 227.641966] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 227.646810] apic_timer_interrupt+0xf/0x20 [ 227.651038] [ 227.653278] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 227.659162] Code: 3f 7e 0f 85 32 ff ff ff e8 53 4a 3e ff e9 28 ff ff ff e8 ba ad c2 ff 48 83 3d 0a bf 6f 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 62 23 [ 227.678056] RSP: 0018:ffff88019a29f4a8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 227.685806] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000627e000 [ 227.693069] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 227.700328] RBP: ffff88019a29f520 R08: ffff8801ba14e480 R09: fffffbfff12720c0 [ 227.707601] R10: ffff88019a29e0f0 R11: ffffffff89390603 R12: ffff8801da800ac0 [ 227.714861] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286 [ 227.722156] ? trace_hardirqs_on+0xb4/0x310 [ 227.726512] ? save_stack+0xa9/0xd0 [ 227.730142] __kmalloc_node_track_caller+0x33/0x70 [ 227.735070] __kmalloc_reserve.isra.39+0xcc/0xe0 [ 227.739836] pskb_expand_head+0x230/0x10f0 [ 227.744083] ? lock_downgrade+0x900/0x900 [ 227.748226] ? check_preemption_disabled+0x48/0x200 [ 227.753236] ? memcpy+0x45/0x50 [ 227.756513] ? __copy_skb_header+0x350/0x6b0 [ 227.760917] ? __pskb_copy_fclone+0xeb0/0xeb0 [ 227.765405] ? skb_checksum+0x140/0x140 [ 227.769373] ? trace_hardirqs_on+0xbd/0x310 [ 227.773698] ? skb_clone+0x1bb/0x500 [ 227.777437] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 227.782899] ? kasan_unpoison_shadow+0x35/0x50 [ 227.787489] ? kasan_check_write+0x14/0x20 [ 227.791758] ? __skb_clone+0x6c7/0xa00 [ 227.795645] ? __copy_skb_header+0x6b0/0x6b0 [ 227.800044] ? kmem_cache_alloc+0x306/0x730 [ 227.804362] skb_ensure_writable+0x3dd/0x640 [ 227.808782] ? skb_cow_data+0xf10/0xf10 [ 227.812750] ? check_preemption_disabled+0x48/0x200 [ 227.817939] ? __this_cpu_preempt_check+0x1c/0x1f [ 227.822789] ? __bpf_redirect+0x54b/0xb20 [ 227.826935] ? __switch_to_asm+0x34/0x70 [ 227.831037] bpf_clone_redirect+0x14a/0x490 [ 227.835392] bpf_prog_3d1649e183dc2cc1+0xca3/0x1000 [ 227.840410] ? __sched_text_start+0x8/0x8 [ 227.844569] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 227.849336] ? retint_kernel+0x2d/0x2d [ 227.853219] ? trace_hardirqs_on_caller+0xc0/0x310 [ 227.858139] ? retint_kernel+0x2d/0x2d [ 227.862023] ? trace_hardirqs_on_caller+0xc0/0x310 [ 227.866956] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 227.871738] ? trace_hardirqs_off+0x310/0x310 [ 227.876265] ? retint_kernel+0x1b/0x2d [ 227.880153] ? lock_acquire+0x1ed/0x520 [ 227.884138] ? bpf_test_run+0x3cb/0x780 [ 227.888120] ? lock_downgrade+0x900/0x900 [ 227.892276] ? lock_release+0x970/0x970 [ 227.896271] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 227.902069] ? preempt_schedule_common+0x1f/0xd0 [ 227.906862] ? preempt_schedule+0x4d/0x60 [ 227.911048] ? ___preempt_schedule+0x16/0x18 [ 227.915494] ? bpf_test_run+0x25d/0x780 [ 227.919488] ? netlink_diag_dump+0x2a0/0x2a0 [ 227.923899] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 227.929437] ? bpf_test_init.isra.9+0x70/0x100 [ 227.934015] ? bpf_prog_test_run_skb+0x634/0xb40 [ 227.938774] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 227.943616] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 227.949162] ? fput+0x130/0x1a0 [ 227.952460] ? __bpf_prog_get+0x9b/0x290 [ 227.956536] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 227.961371] ? bpf_prog_test_run+0x130/0x1a0 [ 227.965779] ? __x64_sys_bpf+0x3d8/0x510 [ 227.969841] ? bpf_prog_get+0x20/0x20 [ 227.973643] ? __x64_sys_futex+0x4bc/0x6a0 [ 227.977886] ? do_syscall_64+0x1b9/0x820 [ 227.981942] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 227.987313] ? syscall_return_slowpath+0x5e0/0x5e0 [ 227.992265] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 227.997101] ? trace_hardirqs_on_caller+0x310/0x310 [ 228.002114] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 228.007135] ? prepare_exit_to_usermode+0x291/0x3b0 [ 228.012149] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 228.017002] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 228.022397] warn_alloc_show_mem: 1 callbacks suppressed [ 228.022408] CPU: 1 PID: 5806 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #119 [ 228.022410] Mem-Info: [ 228.022439] active_anon:46475 inactive_anon:4207 isolated_anon:0 [ 228.022439] active_file:17 inactive_file:13 isolated_file:0 [ 228.022439] unevictable:0 dirty:0 writeback:0 unstable:0 [ 228.022439] slab_reclaimable:8782 slab_unreclaimable:1485678 [ 228.022439] mapped:8194 shmem:4214 pagetables:396 bounce:0 [ 228.022439] free:13756 free_pcp:276 free_cma:0 [ 228.027772] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 228.034791] Node 0 active_anon:185900kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32776kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 228.037198] Call Trace: [ 228.070161] Node 0 [ 228.079496] [ 228.107284] 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 [ 228.109842] dump_stack+0x1c4/0x2b4 [ 228.112075] lowmem_reserve[]: [ 228.114236] ? dump_stack_print_info.cold.2+0x52/0x52 [ 228.139729] 0 [ 228.143378] warn_alloc.cold.119+0xb7/0x1bd [ 228.146468] 2819 [ 228.151661] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 228.153468] 6323 [ 228.157813] ? lock_downgrade+0x900/0x900 [ 228.159886] 6323 [ 228.164731] ? trace_hardirqs_off+0xb8/0x310 [ 228.170994] ? trace_hardirqs_off+0xb8/0x310 [ 228.173045] Node 0 [ 228.177456] __alloc_pages_slowpath+0x2667/0x2d80 [ 228.181875] DMA32 free:25168kB min:30060kB low:37572kB high:45084kB active_anon:10240kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 228.184098] ? warn_alloc+0x120/0x120 [ 228.188904] lowmem_reserve[]: [ 228.216248] ? trace_hardirqs_on+0x310/0x310 [ 228.220037] 0 [ 228.223145] ? warn_alloc+0x120/0x120 [ 228.227530] 0 [ 228.229332] ? warn_alloc+0x120/0x120 [ 228.233106] 3503 [ 228.234914] ? ktime_get+0x2e1/0x440 [ 228.238698] 3503 [ 228.240770] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.246507] ? check_preemption_disabled+0x48/0x200 [ 228.252075] Node 0 Normal free:13948kB min:37352kB low:46688kB high:56024kB active_anon:175660kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5056kB pagetables:1584kB bounce:0kB free_pcp:856kB local_pcp:320kB free_cma:0kB [ 228.257132] ? kasan_check_read+0x11/0x20 [ 228.257148] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 228.286177] lowmem_reserve[]: [ 228.290347] ? should_fail+0x22d/0xd01 [ 228.295873] 0 [ 228.299023] ? rcu_bh_qs+0xc0/0xc0 [ 228.302925] 0 [ 228.304734] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 228.308250] 0 [ 228.310053] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 228.315139] 0 [ 228.316954] ? should_fail+0x22d/0xd01 [ 228.324256] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 228.328116] Node 0 DMA: [ 228.333212] ? should_fail+0x22d/0xd01 [ 228.333233] ? rcu_idle_enter+0x4b0/0x4b0 [ 228.335889] 1*4kB [ 228.339768] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 228.343920] (U) [ 228.346062] ? mark_held_locks+0x130/0x130 [ 228.351134] 0*8kB [ 228.353114] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.357347] 0*16kB [ 228.359509] ? mark_held_locks+0x130/0x130 [ 228.365030] 1*32kB [ 228.367261] ? rcu_irq_exit+0xce/0x100 [ 228.371467] (U) [ 228.373712] ? irq_exit+0xbd/0x1c0 [ 228.377589] 2*64kB [ 228.379559] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 228.383078] (U) [ 228.385320] ? do_raw_spin_unlock+0xa7/0x2f0 [ 228.390330] 1*128kB [ 228.392297] ? smp_call_function_single_interrupt+0x650/0x650 [ 228.396683] (U) [ 228.399034] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.404887] 1*256kB [ 228.406850] ? ret_from_intr+0xb/0x1e [ 228.412391] (U) [ 228.414728] ? retint_kernel+0x2d/0x2d [ 228.418504] 0*512kB [ 228.420468] ? trace_hardirqs_on_caller+0xc0/0x310 [ 228.424332] 1*1024kB [ 228.426661] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 228.431565] (U) [ 228.433967] ? trace_hardirqs_off+0x310/0x310 [ 228.438702] 1*2048kB [ 228.440692] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 228.445162] (M) [ 228.447564] __alloc_pages_nodemask+0xa80/0xde0 [ 228.452641] 3*4096kB [ 228.454635] ? should_fail+0x22d/0xd01 [ 228.459309] (M) [ 228.461712] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 228.465595] = 15908kB [ 228.467586] ? ____cache_alloc_node+0x1c7/0x1e0 [ 228.472579] Node 0 [ 228.474977] ? lock_downgrade+0x900/0x900 [ 228.479625] DMA32: [ 228.481856] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.485974] 2*4kB [ 228.488200] cache_grow_begin+0x91/0x8c0 [ 228.493705] (M) [ 228.495849] ? do_raw_spin_unlock+0xa7/0x2f0 [ 228.499883] 1*8kB [ 228.501882] fallback_alloc+0x203/0x2e0 [ 228.506279] (M) [ 228.508418] ____cache_alloc_node+0x1c7/0x1e0 [ 228.512361] 2*16kB [ 228.514346] kmem_cache_alloc_node+0xe3/0x730 [ 228.518824] (M) [ 228.521050] ? ipv6_get_ifaddr+0x42e/0x620 [ 228.525529] 3*32kB [ 228.527491] __alloc_skb+0x119/0x770 [ 228.531696] (MH) [ 228.533928] ? skb_scrub_packet+0x490/0x490 [ 228.537614] 5*64kB [ 228.539670] ? lock_downgrade+0x900/0x900 [ 228.543977] (MH) [ 228.546244] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.550383] 3*128kB [ 228.552444] ? refcount_sub_and_test_checked+0x203/0x310 [ 228.557948] (M) [ 228.560261] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 228.565684] 5*256kB [ 228.567650] ? addrconf_rs_timer+0x690/0x690 [ 228.573089] (UMH) [ 228.575406] ndisc_alloc_skb+0x144/0x340 [ 228.579791] 5*512kB [ 228.581926] ndisc_send_rs+0x331/0x6e0 [ 228.585972] (UMH) [ 228.588301] addrconf_rs_timer+0x314/0x690 [ 228.592185] 4*1024kB [ 228.594364] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 228.598570] (UMH) [ 228.600992] call_timer_fn+0x272/0x920 [ 228.605223] 2*2048kB [ 228.607364] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 228.611224] (M) [ 228.613657] ? process_timeout+0x40/0x40 [ 228.617894] 3*4096kB [ 228.619858] ? trace_hardirqs_off+0xb8/0x310 [ 228.623888] (M) [ 228.626407] ? kasan_check_read+0x11/0x20 [ 228.630797] = 25168kB [ 228.632779] ? do_raw_spin_unlock+0xa7/0x2f0 [ 228.636920] Node 0 [ 228.639317] ? trace_hardirqs_on+0x310/0x310 [ 228.643698] Normal: [ 228.645935] ? __run_timers+0x7da/0xc70 [ 228.650328] 1081*4kB [ 228.652660] ? lock_downgrade+0x900/0x900 [ 228.656606] (UMEH) [ 228.659017] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 228.663139] 387*8kB [ 228.665362] ? trace_hardirqs_on+0xbd/0x310 [ 228.670434] (ME) [ 228.672793] ? kasan_check_read+0x11/0x20 [ 228.677094] 152*16kB [ 228.679145] ? __run_timers+0x7da/0xc70 [ 228.683278] (UME) [ 228.685726] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 228.689673] 54*32kB [ 228.691835] ? kasan_check_write+0x14/0x20 [ 228.697265] (UME) [ 228.699584] ? do_raw_spin_lock+0xc1/0x200 [ 228.703804] 21*64kB [ 228.705951] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 228.710162] (UM) [ 228.712477] __run_timers+0x7e5/0xc70 [ 228.716681] 0*128kB [ 228.718748] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 228.722521] 0*256kB [ 228.724841] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 228.730185] 2*512kB [ 228.732499] ? timerqueue_add+0x207/0x2b0 [ 228.737487] (U) [ 228.739801] ? enqueue_hrtimer+0x1a5/0x560 [ 228.743944] 0*1024kB [ 228.745915] ? lock_release+0x970/0x970 [ 228.750128] 0*2048kB [ 228.752540] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 228.756526] 0*4096kB [ 228.758940] ? check_preemption_disabled+0x48/0x200 [ 228.764119] = 13948kB [ 228.766518] ? kasan_check_write+0x14/0x20 [ 228.771529] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 228.773925] ? pvclock_read_flags+0x160/0x160 [ 228.778136] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 228.786967] ? lock_downgrade+0x900/0x900 [ 228.791433] 4244 total pagecache pages [ 228.799998] ? trace_hardirqs_on+0xbd/0x310 [ 228.804120] 0 pages in swap cache [ 228.808116] ? kvm_sched_clock_read+0x9/0x20 [ 228.812442] Swap cache stats: add 0, delete 0, find 0/0 [ 228.815884] ? irq_exit+0x17f/0x1c0 [ 228.820276] Free swap = 0kB [ 228.825624] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.829280] Total swap = 0kB [ 228.832299] ? check_preemption_disabled+0x48/0x200 [ 228.837824] 1965979 pages RAM [ 228.840834] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.845827] 0 pages HighMem/MovableOnly [ 228.848926] run_timer_softirq+0x52/0xb0 [ 228.854435] 342307 pages reserved [ 228.858400] ? __this_cpu_preempt_check+0x1c/0x1f [ 228.862434] 0 pages cma reserved [ 228.865913] __do_softirq+0x30b/0xad8 [ 228.870801] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 228.874096] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 228.877968] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 228.884398] ? pvclock_read_flags+0x160/0x160 [ 228.889493] syz-executor2 cpuset= [ 228.899972] ? lapic_next_event+0x5a/0x90 [ 228.904475] syz2 [ 228.907925] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.912055] mems_allowed=0 [ 228.914037] ? clockevents_program_event+0x140/0x370 [ 228.927572] ? kvm_clock_read+0x18/0x30 [ 228.931537] ? kvm_sched_clock_read+0x9/0x20 [ 228.936002] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.941555] ? check_preemption_disabled+0x48/0x200 [ 228.946697] irq_exit+0x17f/0x1c0 [ 228.950185] smp_apic_timer_interrupt+0x1cb/0x760 [ 228.955036] ? smp_reschedule_interrupt+0x109/0x650 [ 228.960081] ? smp_call_function_single_interrupt+0x650/0x650 [ 228.965981] ? interrupt_entry+0xb5/0xf0 [ 228.970040] ? trace_hardirqs_off_caller+0xbb/0x310 [ 228.975071] ? trace_hardirqs_off_caller+0xbb/0x310 [ 228.980081] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 228.984920] ? trace_hardirqs_on_caller+0x310/0x310 [ 228.989927] ? trace_hardirqs_on_caller+0x310/0x310 [ 228.994950] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 229.000495] ? check_preemption_disabled+0x48/0x200 [ 229.005501] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 229.011038] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 229.015879] apic_timer_interrupt+0xf/0x20 [ 229.020103] [ 229.022339] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 229.027538] Code: 00 e8 97 f5 a3 f9 e8 d2 63 d3 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d 24 75 80 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d fa 74 [ 229.046446] RSP: 0000:ffff8801bbdd6150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 229.054148] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 229.061406] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe740 [ 229.068682] RBP: ffff8801bbdd6178 R08: ffff8801d838c080 R09: ffffed003b5e5979 [ 229.075955] R10: ffffed003b5e5979 R11: ffff8801daf2cbcb R12: dffffc0000000000 [ 229.083667] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 229.090936] ? trace_hardirqs_on+0x9a/0x310 [ 229.095252] ? trace_hardirqs_on+0xb4/0x310 [ 229.099572] retint_kernel+0x1b/0x2d [ 229.103282] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 229.108551] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 21 17 fa 48 83 3d 99 9c 86 01 00 75 07 e8 9a 7f d3 f9 0f 0b e8 93 7f d3 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 21 17 fa 4c 8b 45 d0 e9 [ 229.127442] RSP: 0000:ffff8801bbdd6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 229.135172] RAX: ffff8801d838c080 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 229.142594] RDX: 0000000000000000 RSI: ffffffff87ab55fd RDI: 0000000000000293 [ 229.149873] RBP: ffff8801bbdd6240 R08: ffff8801d838c080 R09: fffffbfff13d9700 [ 229.157134] R10: fffffbfff13d9700 R11: 0000000000000003 R12: 0000000000000293 [ 229.164400] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff8931f280 [ 229.171678] ? trace_hardirqs_on+0x9a/0x310 [ 229.176009] ? arch_local_irq_restore+0x45/0x52 [ 229.180674] dump_stack+0x26a/0x2b4 [ 229.184294] ? dump_stack_print_info.cold.2+0x52/0x52 [ 229.189479] ? mark_held_locks+0x130/0x130 [ 229.193712] ? mark_held_locks+0x130/0x130 [ 229.197968] dump_header+0x27b/0xf72 [ 229.201690] ? rcu_read_unlock+0x16/0x60 [ 229.205750] ? pagefault_out_of_memory+0x197/0x197 [ 229.210712] ? mark_held_locks+0x130/0x130 [ 229.214978] ? percpu_ref_put_many+0x13e/0x260 [ 229.219554] ? mem_cgroup_charge_statistics+0x780/0x780 [ 229.224919] ? mem_cgroup_iter+0x1f7/0x1160 [ 229.229243] ? mark_held_locks+0x130/0x130 [ 229.233491] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.239037] ? task_will_free_mem+0x239/0xb30 [ 229.243534] ? ___ratelimit+0x36f/0x655 [ 229.247513] ? lock_downgrade+0x900/0x900 [ 229.251677] ? trace_hardirqs_on+0xbd/0x310 [ 229.256012] ? kasan_check_read+0x11/0x20 [ 229.260156] ? ___ratelimit+0x36f/0x655 [ 229.264148] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 229.269590] ? trace_hardirqs_on+0x310/0x310 [ 229.274036] ? lock_downgrade+0x900/0x900 [ 229.278199] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 229.283335] ? ___ratelimit+0xaa/0x655 [ 229.287213] ? idr_get_free+0xec0/0xec0 [ 229.291202] ? kasan_check_write+0x14/0x20 [ 229.295440] ? do_raw_spin_lock+0xc1/0x200 [ 229.299679] oom_kill_process.cold.27+0x10/0x903 [ 229.304435] ? lock_downgrade+0x900/0x900 [ 229.308592] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 229.314457] ? oom_evaluate_task+0x540/0x540 [ 229.318883] ? shrink_node+0x16b0/0x16b0 [ 229.322954] ? oom_unkillable_task+0x383/0x580 [ 229.327528] ? out_of_memory+0x974/0x1430 [ 229.331670] ? lock_downgrade+0x900/0x900 [ 229.335828] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 229.341657] ? __cpuset_node_allowed+0x19b/0x660 [ 229.346412] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 229.351941] ? oom_evaluate_task+0x302/0x540 [ 229.356354] out_of_memory+0xa84/0x1430 [ 229.360346] ? oom_killer_disable+0x3a0/0x3a0 [ 229.364844] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 229.369781] ? __mutex_add_waiter+0x2a0/0x2a0 [ 229.374274] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 229.379285] ? find_next_bit+0x104/0x130 [ 229.383348] __alloc_pages_slowpath+0x2318/0x2d80 [ 229.388198] ? warn_alloc+0x120/0x120 [ 229.392014] ? __radix_tree_lookup+0x4c0/0x4c0 [ 229.396595] ? find_get_entry+0x2f2/0xc40 [ 229.400780] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 229.405742] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 229.411272] ? should_fail+0x22d/0xd01 [ 229.415171] ? ___might_sleep+0x1ed/0x300 [ 229.419312] ? lock_release+0x970/0x970 [ 229.423286] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 229.428426] ? debug_smp_processor_id+0x1c/0x20 [ 229.433091] ? __might_sleep+0x95/0x190 [ 229.437072] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 229.441923] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 229.446964] ? lock_downgrade+0x900/0x900 [ 229.451109] ? ___might_sleep+0x1ed/0x300 [ 229.455267] ? lock_release+0x970/0x970 [ 229.459249] ? arch_local_save_flags+0x40/0x40 [ 229.463867] ? finish_task_switch+0x1f5/0x900 [ 229.468365] ? __might_sleep+0x95/0x190 [ 229.472340] __alloc_pages_nodemask+0xa80/0xde0 [ 229.477010] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 229.482059] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 229.487854] ? kasan_check_write+0x14/0x20 [ 229.492102] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 229.496792] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.502324] ? __do_page_cache_readahead+0x7ce/0x980 [ 229.507427] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 229.512959] alloc_pages_current+0x10c/0x210 [ 229.517372] ? lock_downgrade+0x900/0x900 [ 229.521514] __page_cache_alloc+0x38f/0x5b0 [ 229.525833] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 229.531633] ? ext4_filemap_fault+0x82/0xad [ 229.535962] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 229.540634] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 229.546170] ? check_preemption_disabled+0x48/0x200 [ 229.551191] filemap_fault+0x1594/0x25f0 [ 229.555252] ? __lock_page_or_retry+0xa00/0xa00 [ 229.559939] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 229.565794] ? unwind_dump+0x190/0x190 [ 229.569701] ? is_bpf_text_address+0xd3/0x170 [ 229.574202] ? filemap_map_pages+0xdea/0x1980 [ 229.578706] ? find_get_pages_range_tag+0x1320/0x1320 [ 229.583913] ? save_stack+0xa9/0xd0 [ 229.587551] ? save_stack+0x43/0xd0 [ 229.591171] ? __kasan_slab_free+0x102/0x150 [ 229.595584] ? __sigqueue_free.part.27+0x7d/0xa0 [ 229.600332] ? __dequeue_signal+0x530/0x7d0 [ 229.604653] ? dequeue_signal+0x26c/0x630 [ 229.608800] ? get_signal+0x3ec/0x1980 [ 229.612685] ? do_signal+0x9c/0x21e0 [ 229.616416] ? exit_to_usermode_loop+0x2e5/0x380 [ 229.621166] ? mark_held_locks+0x130/0x130 [ 229.625408] ? trace_hardirqs_on+0x310/0x310 [ 229.629823] ? lock_acquire+0x1ed/0x520 [ 229.633811] ? ext4_filemap_fault+0x7a/0xad [ 229.638127] ? lock_release+0x970/0x970 [ 229.642111] ? arch_local_save_flags+0x40/0x40 [ 229.646724] ? mark_held_locks+0x130/0x130 [ 229.650950] ? trace_hardirqs_off+0xb8/0x310 [ 229.655372] ? down_read+0xb0/0x1d0 [ 229.658998] ? ext4_filemap_fault+0x7a/0xad [ 229.663315] ? __down_interruptible+0x700/0x700 [ 229.667978] ? kmem_cache_free+0x21a/0x290 [ 229.672220] ? __sigqueue_free.part.27+0x7d/0xa0 [ 229.676982] ? __dequeue_signal+0xf9/0x7d0 [ 229.681236] ext4_filemap_fault+0x82/0xad [ 229.685400] __do_fault+0x100/0x6b0 [ 229.689025] ? print_bad_pte+0x6c0/0x6c0 [ 229.693088] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 229.698656] ? pmd_val+0x88/0x100 [ 229.702105] ? add_mm_counter_fast+0xd0/0xd0 [ 229.706520] ? pmd_val+0x88/0x100 [ 229.709981] ? add_mm_counter_fast+0xd0/0xd0 [ 229.714389] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 229.719923] __handle_mm_fault+0x3709/0x53e0 [ 229.724334] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 229.729172] ? kasan_check_write+0x14/0x20 [ 229.733418] ? do_raw_spin_lock+0xc1/0x200 [ 229.737651] ? _raw_spin_unlock_irq+0x60/0x80 [ 229.742147] ? __set_current_blocked+0xe4/0x120 [ 229.746845] ? lock_acquire+0x1ed/0x520 [ 229.750823] ? handle_mm_fault+0x42a/0xc70 [ 229.755057] ? lock_downgrade+0x900/0x900 [ 229.759203] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 229.765013] ? __do_page_fault+0x67d/0xed0 [ 229.769250] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 229.774709] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 229.780260] ? check_preemption_disabled+0x48/0x200 [ 229.785309] handle_mm_fault+0x54f/0xc70 [ 229.789368] ? __handle_mm_fault+0x53e0/0x53e0 [ 229.793946] ? find_vma+0x34/0x190 [ 229.797539] __do_page_fault+0x67d/0xed0 [ 229.801604] ? mm_fault_error+0x380/0x380 [ 229.805754] ? syscall_slow_exit_work+0x520/0x520 [ 229.810599] do_page_fault+0xf2/0x7e0 [ 229.814424] ? vmalloc_sync_all+0x30/0x30 [ 229.818568] ? error_entry+0x70/0xd0 [ 229.822281] ? trace_hardirqs_off_caller+0xbb/0x310 [ 229.827291] ? trace_hardirqs_on_caller+0xc0/0x310 [ 229.832210] ? syscall_return_slowpath+0x5e0/0x5e0 [ 229.837152] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 229.841989] ? trace_hardirqs_on_caller+0x310/0x310 [ 229.846999] ? trace_hardirqs_off+0x310/0x310 [ 229.851492] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 229.856522] ? prepare_exit_to_usermode+0x291/0x3b0 [ 229.861552] ? page_fault+0x8/0x30 [ 229.865097] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 229.869948] ? page_fault+0x8/0x30 [ 229.873481] page_fault+0x1e/0x30 [ 229.876927] RIP: 0033:0x45db60 [ 229.880135] Code: Bad RIP value. [ 229.883491] RSP: 002b:000000c420049ab8 EFLAGS: 00010286 [ 229.888847] RAX: 0000000000000000 RBX: 000000c420026380 RCX: 000000000045ddf3 [ 229.896112] RDX: 000000c420049ac0 RSI: 000000c420049bf0 RDI: 0000000000000011 [ 229.903372] RBP: 000000c420022f08 R08: 0000000000000000 R09: 0000000000000000 [ 229.910627] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42005c168 [ 229.917887] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000 [ 229.925190] CPU: 0 PID: 7800 Comm: syz-executor2 Not tainted 4.19.0-rc6+ #119 [ 229.925252] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 229.932457] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 229.932461] Call Trace: [ 229.932466] [ 229.932479] dump_stack+0x1c4/0x2b4 [ 229.932494] ? dump_stack_print_info.cold.2+0x52/0x52 [ 229.939085] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 229.948345] warn_alloc.cold.119+0xb7/0x1bd [ 229.950904] syz-fuzzer cpuset= [ 229.953045] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 229.956641] / [ 229.961841] ? lock_downgrade+0x900/0x900 [ 229.972059] mems_allowed=0 [ 229.976385] ? trace_hardirqs_off+0xb8/0x310 [ 229.997553] ? trace_hardirqs_off+0xb8/0x310 [ 230.002025] __alloc_pages_slowpath+0x2667/0x2d80 [ 230.006875] ? warn_alloc+0x120/0x120 [ 230.010680] ? trace_hardirqs_on+0x310/0x310 [ 230.015085] ? warn_alloc+0x120/0x120 [ 230.018984] ? warn_alloc+0x120/0x120 [ 230.022781] ? ktime_get+0x2e1/0x440 [ 230.026492] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.032020] ? check_preemption_disabled+0x48/0x200 [ 230.037075] ? kasan_check_read+0x11/0x20 [ 230.041248] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 230.046804] ? should_fail+0x22d/0xd01 [ 230.050683] ? rcu_bh_qs+0xc0/0xc0 [ 230.054231] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 230.059348] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 230.064879] ? should_fail+0x22d/0xd01 [ 230.068774] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 230.073881] ? should_fail+0x22d/0xd01 [ 230.077765] ? rcu_idle_enter+0x4b0/0x4b0 [ 230.081913] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 230.087037] ? mark_held_locks+0x130/0x130 [ 230.091299] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.096831] ? mark_held_locks+0x130/0x130 [ 230.101071] ? rcu_irq_exit+0xce/0x100 [ 230.104955] ? irq_exit+0xbd/0x1c0 [ 230.108515] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 230.113533] ? do_raw_spin_unlock+0xa7/0x2f0 [ 230.117935] ? smp_call_function_single_interrupt+0x650/0x650 [ 230.123842] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.129400] ? ret_from_intr+0xb/0x1e [ 230.133207] ? retint_kernel+0x2d/0x2d [ 230.137110] ? trace_hardirqs_on_caller+0xc0/0x310 [ 230.142033] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 230.146783] ? trace_hardirqs_off+0x310/0x310 [ 230.151272] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 230.156378] __alloc_pages_nodemask+0xa80/0xde0 [ 230.161051] ? should_fail+0x22d/0xd01 [ 230.164933] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 230.169969] ? ____cache_alloc_node+0x1c7/0x1e0 [ 230.174650] ? lock_downgrade+0x900/0x900 [ 230.178801] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.184356] cache_grow_begin+0x91/0x8c0 [ 230.188420] ? do_raw_spin_unlock+0xa7/0x2f0 [ 230.192834] fallback_alloc+0x203/0x2e0 [ 230.196812] ____cache_alloc_node+0x1c7/0x1e0 [ 230.201309] kmem_cache_alloc_node+0xe3/0x730 [ 230.205799] ? ipv6_get_ifaddr+0x42e/0x620 [ 230.210069] __alloc_skb+0x119/0x770 [ 230.213794] ? skb_scrub_packet+0x490/0x490 [ 230.218131] ? lock_downgrade+0x900/0x900 [ 230.222284] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.227815] ? refcount_sub_and_test_checked+0x203/0x310 [ 230.233265] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 230.238705] ? addrconf_rs_timer+0x690/0x690 [ 230.243123] ndisc_alloc_skb+0x144/0x340 [ 230.247240] ndisc_send_rs+0x331/0x6e0 [ 230.251135] addrconf_rs_timer+0x314/0x690 [ 230.255363] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 230.259594] call_timer_fn+0x272/0x920 [ 230.263479] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 230.267706] ? process_timeout+0x40/0x40 [ 230.271773] ? trace_hardirqs_off+0xb8/0x310 [ 230.276186] ? kasan_check_read+0x11/0x20 [ 230.280328] ? do_raw_spin_unlock+0xa7/0x2f0 [ 230.284796] ? trace_hardirqs_on+0x310/0x310 [ 230.289238] ? __run_timers+0x7da/0xc70 [ 230.293213] ? lock_downgrade+0x900/0x900 [ 230.297390] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 230.302491] ? trace_hardirqs_on+0xbd/0x310 [ 230.306806] ? kasan_check_read+0x11/0x20 [ 230.310967] ? __run_timers+0x7da/0xc70 [ 230.314964] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 230.320413] ? kasan_check_write+0x14/0x20 [ 230.324641] ? do_raw_spin_lock+0xc1/0x200 [ 230.328887] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 230.333117] __run_timers+0x7e5/0xc70 [ 230.336933] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 230.342294] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 230.347299] ? timerqueue_add+0x207/0x2b0 [ 230.351445] ? enqueue_hrtimer+0x1a5/0x560 [ 230.355683] ? lock_release+0x970/0x970 [ 230.359652] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 230.364837] ? kasan_check_write+0x14/0x20 [ 230.369084] ? pvclock_read_flags+0x160/0x160 [ 230.373587] ? lock_downgrade+0x900/0x900 [ 230.377753] ? trace_hardirqs_on+0xbd/0x310 [ 230.382087] ? kvm_sched_clock_read+0x9/0x20 [ 230.386512] ? irq_exit+0x17f/0x1c0 [ 230.390140] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.395666] ? check_preemption_disabled+0x48/0x200 [ 230.400671] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.406209] run_timer_softirq+0x52/0xb0 [ 230.410274] ? __this_cpu_preempt_check+0x1c/0x1f [ 230.415106] __do_softirq+0x30b/0xad8 [ 230.418906] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 230.424040] ? pvclock_read_flags+0x160/0x160 [ 230.428546] ? lapic_next_event+0x5a/0x90 [ 230.432690] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.438250] ? clockevents_program_event+0x140/0x370 [ 230.443357] ? kvm_clock_read+0x18/0x30 [ 230.447337] ? kvm_sched_clock_read+0x9/0x20 [ 230.451750] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.457296] ? check_preemption_disabled+0x48/0x200 [ 230.462341] irq_exit+0x17f/0x1c0 [ 230.465798] smp_apic_timer_interrupt+0x1cb/0x760 [ 230.470632] ? smp_reschedule_interrupt+0x109/0x650 [ 230.475640] ? smp_call_function_single_interrupt+0x650/0x650 [ 230.481527] ? interrupt_entry+0xb5/0xf0 [ 230.485581] ? trace_hardirqs_off_caller+0xbb/0x310 [ 230.490613] ? trace_hardirqs_off_caller+0xbb/0x310 [ 230.495629] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 230.500481] ? trace_hardirqs_on_caller+0x310/0x310 [ 230.505503] ? trace_hardirqs_on_caller+0x310/0x310 [ 230.510511] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.516098] ? check_preemption_disabled+0x48/0x200 [ 230.521109] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 230.525953] apic_timer_interrupt+0xf/0x20 [ 230.530171] [ 230.532409] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 230.538290] Code: 3f 7e 0f 85 32 ff ff ff e8 53 4a 3e ff e9 28 ff ff ff e8 ba ad c2 ff 48 83 3d 0a bf 6f 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 62 23 [ 230.557180] RSP: 0018:ffff88019a29f4a8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 230.564882] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000627e000 [ 230.572145] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 230.579409] RBP: ffff88019a29f520 R08: ffff8801ba14e480 R09: fffffbfff12720c0 [ 230.586868] R10: ffff88019a29e0f0 R11: ffffffff89390603 R12: ffff8801da800ac0 [ 230.594130] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286 [ 230.601401] ? trace_hardirqs_on+0xb4/0x310 [ 230.605747] ? save_stack+0xa9/0xd0 [ 230.609411] __kmalloc_node_track_caller+0x33/0x70 [ 230.614332] __kmalloc_reserve.isra.39+0xcc/0xe0 [ 230.619162] pskb_expand_head+0x230/0x10f0 [ 230.623389] ? lock_downgrade+0x900/0x900 [ 230.627559] ? check_preemption_disabled+0x48/0x200 [ 230.632586] ? memcpy+0x45/0x50 [ 230.635895] ? __copy_skb_header+0x350/0x6b0 [ 230.640305] ? __pskb_copy_fclone+0xeb0/0xeb0 [ 230.644794] ? skb_checksum+0x140/0x140 [ 230.648769] ? trace_hardirqs_on+0xbd/0x310 [ 230.653082] ? skb_clone+0x1bb/0x500 [ 230.656838] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 230.662296] ? kasan_unpoison_shadow+0x35/0x50 [ 230.666961] ? kasan_check_write+0x14/0x20 [ 230.671192] ? __skb_clone+0x6c7/0xa00 [ 230.675071] ? __copy_skb_header+0x6b0/0x6b0 [ 230.679496] ? kmem_cache_alloc+0x306/0x730 [ 230.683834] skb_ensure_writable+0x3dd/0x640 [ 230.688262] ? skb_cow_data+0xf10/0xf10 [ 230.692272] ? check_preemption_disabled+0x48/0x200 [ 230.697315] ? __this_cpu_preempt_check+0x1c/0x1f [ 230.702168] ? __bpf_redirect+0x54b/0xb20 [ 230.706325] ? __switch_to_asm+0x34/0x70 [ 230.710389] bpf_clone_redirect+0x14a/0x490 [ 230.714752] bpf_prog_3d1649e183dc2cc1+0xca3/0x1000 [ 230.719840] ? __sched_text_start+0x8/0x8 [ 230.723996] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 230.729010] ? retint_kernel+0x2d/0x2d [ 230.732891] ? trace_hardirqs_on_caller+0xc0/0x310 [ 230.737861] ? retint_kernel+0x2d/0x2d [ 230.741791] ? trace_hardirqs_on_caller+0xc0/0x310 [ 230.746741] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 230.751490] ? trace_hardirqs_off+0x310/0x310 [ 230.755993] ? retint_kernel+0x1b/0x2d [ 230.759885] ? lock_acquire+0x1ed/0x520 [ 230.763856] ? bpf_test_run+0x3cb/0x780 [ 230.767865] ? lock_downgrade+0x900/0x900 [ 230.772007] ? lock_release+0x970/0x970 [ 230.775990] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 230.781786] ? preempt_schedule_common+0x1f/0xd0 [ 230.786540] ? preempt_schedule+0x4d/0x60 [ 230.790680] ? ___preempt_schedule+0x16/0x18 [ 230.795087] ? bpf_test_run+0x25d/0x780 [ 230.799119] ? netlink_diag_dump+0x2a0/0x2a0 [ 230.803522] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 230.809072] ? bpf_test_init.isra.9+0x70/0x100 [ 230.813665] ? bpf_prog_test_run_skb+0x634/0xb40 [ 230.818433] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 230.823274] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 230.828821] ? fput+0x130/0x1a0 [ 230.832107] ? __bpf_prog_get+0x9b/0x290 [ 230.836184] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 230.841055] ? bpf_prog_test_run+0x130/0x1a0 [ 230.845489] ? __x64_sys_bpf+0x3d8/0x510 [ 230.849557] ? bpf_prog_get+0x20/0x20 [ 230.853360] ? __x64_sys_futex+0x4bc/0x6a0 [ 230.857589] ? do_syscall_64+0x1b9/0x820 [ 230.861640] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 230.867024] ? syscall_return_slowpath+0x5e0/0x5e0 [ 230.871967] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 230.876805] ? trace_hardirqs_on_caller+0x310/0x310 [ 230.881826] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 230.886855] ? prepare_exit_to_usermode+0x291/0x3b0 [ 230.891883] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 230.896771] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 230.902139] warn_alloc_show_mem: 1 callbacks suppressed [ 230.902150] CPU: 1 PID: 5806 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #119 [ 230.902152] Mem-Info: [ 230.902194] active_anon:46475 inactive_anon:4207 isolated_anon:0 [ 230.902194] active_file:17 inactive_file:13 isolated_file:0 [ 230.902194] unevictable:0 dirty:0 writeback:0 unstable:0 [ 230.902194] slab_reclaimable:8782 slab_unreclaimable:1485678 [ 230.902194] mapped:8194 shmem:4214 pagetables:396 bounce:0 [ 230.902194] free:13756 free_pcp:276 free_cma:0 [ 230.907559] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 230.914570] Node 0 active_anon:185900kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32776kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 230.916971] Call Trace: [ 230.950553] Node 0 [ 230.959894] [ 230.987686] 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 [ 230.990271] dump_stack+0x1c4/0x2b4 [ 230.992484] lowmem_reserve[]: [ 230.994684] ? dump_stack_print_info.cold.2+0x52/0x52 [ 231.020175] 0 [ 231.023796] warn_alloc.cold.119+0xb7/0x1bd [ 231.026875] 2819 [ 231.032060] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 231.033836] 6323 [ 231.038144] ? lock_downgrade+0x900/0x900 [ 231.040195] 6323 [ 231.045039] ? trace_hardirqs_off+0xb8/0x310 [ 231.051236] ? trace_hardirqs_off+0xb8/0x310 [ 231.053270] Node 0 [ 231.057678] __alloc_pages_slowpath+0x2667/0x2d80 [ 231.062091] DMA32 free:25168kB min:30060kB low:37572kB high:45084kB active_anon:10240kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 231.064348] ? warn_alloc+0x120/0x120 [ 231.069182] lowmem_reserve[]: [ 231.096889] ? trace_hardirqs_on+0x310/0x310 [ 231.100662] 0 [ 231.103755] ? warn_alloc+0x120/0x120 [ 231.108176] 0 [ 231.109989] ? warn_alloc+0x120/0x120 [ 231.113762] 3503 [ 231.115552] ? ktime_get+0x2e1/0x440 [ 231.119368] 3503 [ 231.121429] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.127170] ? check_preemption_disabled+0x48/0x200 [ 231.132677] Node 0 [ 231.137705] ? kasan_check_read+0x11/0x20 [ 231.137764] Normal free:13948kB min:37352kB low:46688kB high:56024kB active_anon:175660kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5056kB pagetables:1584kB bounce:0kB free_pcp:856kB local_pcp:320kB free_cma:0kB [ 231.137771] lowmem_reserve[]: [ 231.140030] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 231.144170] 0 [ 231.172627] ? should_fail+0x22d/0xd01 [ 231.175704] 0 [ 231.181256] ? rcu_bh_qs+0xc0/0xc0 [ 231.183059] 0 [ 231.186953] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 231.188743] 0 [ 231.192320] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 231.199178] ? should_fail+0x22d/0xd01 [ 231.200957] Node 0 [ 231.206523] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 231.210394] DMA: [ 231.212619] ? should_fail+0x22d/0xd01 [ 231.217698] 1*4kB [ 231.219770] ? rcu_idle_enter+0x4b0/0x4b0 [ 231.223641] (U) [ 231.225788] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 231.229912] 0*8kB [ 231.231975] ? mark_held_locks+0x130/0x130 [ 231.237068] 0*16kB [ 231.239208] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.243428] 1*32kB [ 231.245649] ? mark_held_locks+0x130/0x130 [ 231.251156] (U) [ 231.253385] ? rcu_irq_exit+0xce/0x100 [ 231.257589] 2*64kB [ 231.259562] ? irq_exit+0xbd/0x1c0 [ 231.263534] (U) [ 231.265792] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 231.269315] 1*128kB [ 231.271313] ? do_raw_spin_unlock+0xa7/0x2f0 [ 231.276302] (U) [ 231.278630] ? smp_call_function_single_interrupt+0x650/0x650 [ 231.283013] 1*256kB [ 231.284984] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.290839] (U) [ 231.293166] ? ret_from_intr+0xb/0x1e [ 231.298674] 0*512kB [ 231.300637] ? retint_kernel+0x2d/0x2d [ 231.304419] 1*1024kB [ 231.306737] ? trace_hardirqs_on_caller+0xc0/0x310 [ 231.310602] (U) [ 231.313010] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 231.317931] 1*2048kB [ 231.319938] ? trace_hardirqs_off+0x310/0x310 [ 231.324668] (M) [ 231.327087] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 231.331551] 3*4096kB (M) [ 231.333543] __alloc_pages_nodemask+0xa80/0xde0 [ 231.338617] = 15908kB [ 231.341383] ? should_fail+0x22d/0xd01 [ 231.346040] Node 0 [ 231.348469] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 231.352342] DMA32: [ 231.354590] ? ____cache_alloc_node+0x1c7/0x1e0 [ 231.359583] 2*4kB [ 231.361819] ? lock_downgrade+0x900/0x900 [ 231.366527] (M) [ 231.368703] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.372879] 1*8kB [ 231.374848] cache_grow_begin+0x91/0x8c0 [ 231.380372] (M) [ 231.382528] ? do_raw_spin_unlock+0xa7/0x2f0 [ 231.386590] 2*16kB [ 231.388562] fallback_alloc+0x203/0x2e0 [ 231.392940] (M) [ 231.395172] ____cache_alloc_node+0x1c7/0x1e0 [ 231.399141] 3*32kB [ 231.401121] kmem_cache_alloc_node+0xe3/0x730 [ 231.405592] (MH) [ 231.407829] ? ipv6_get_ifaddr+0x42e/0x620 [ 231.412295] 5*64kB [ 231.414353] __alloc_skb+0x119/0x770 [ 231.418558] (MH) [ 231.420796] ? skb_scrub_packet+0x490/0x490 [ 231.424576] 3*128kB [ 231.426646] ? lock_downgrade+0x900/0x900 [ 231.430945] (M) [ 231.433431] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.437557] 5*256kB [ 231.439536] ? refcount_sub_and_test_checked+0x203/0x310 [ 231.445054] (UMH) [ 231.447369] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 231.452792] 5*512kB [ 231.454931] ? addrconf_rs_timer+0x690/0x690 [ 231.460366] (UMH) [ 231.462688] ndisc_alloc_skb+0x144/0x340 [ 231.467067] 4*1024kB [ 231.469241] ndisc_send_rs+0x331/0x6e0 [ 231.473282] (UMH) [ 231.475694] addrconf_rs_timer+0x314/0x690 [ 231.479555] 2*2048kB [ 231.481699] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 231.485999] (M) [ 231.488410] call_timer_fn+0x272/0x920 [ 231.492618] 3*4096kB [ 231.494602] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 231.498475] (M) [ 231.500904] ? process_timeout+0x40/0x40 [ 231.505125] = 25168kB [ 231.507093] ? trace_hardirqs_off+0xb8/0x310 [ 231.511135] Node 0 [ 231.513533] ? kasan_check_read+0x11/0x20 [ 231.517919] Normal: [ 231.520153] ? do_raw_spin_unlock+0xa7/0x2f0 [ 231.524271] 1081*4kB [ 231.526598] ? trace_hardirqs_on+0x310/0x310 [ 231.530978] (UMEH) [ 231.533377] ? __run_timers+0x7da/0xc70 [ 231.537762] 387*8kB [ 231.539997] ? lock_downgrade+0x900/0x900 [ 231.543941] (ME) [ 231.546261] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 231.550380] 152*16kB [ 231.552483] ? trace_hardirqs_on+0xbd/0x310 [ 231.557574] (UME) [ 231.559992] ? kasan_check_read+0x11/0x20 [ 231.564316] 54*32kB [ 231.566452] ? __run_timers+0x7da/0xc70 [ 231.570574] (UME) [ 231.572925] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 231.576889] 21*64kB [ 231.579089] ? kasan_check_write+0x14/0x20 [ 231.584539] (UM) [ 231.586880] ? do_raw_spin_lock+0xc1/0x200 [ 231.591101] 0*128kB [ 231.593181] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 231.597388] 0*256kB [ 231.599699] __run_timers+0x7e5/0xc70 [ 231.603909] 2*512kB [ 231.606241] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 231.610010] (U) [ 231.612331] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 231.617678] 0*1024kB [ 231.619647] ? timerqueue_add+0x207/0x2b0 [ 231.624643] 0*2048kB [ 231.627050] ? enqueue_hrtimer+0x1a5/0x560 [ 231.631174] 0*4096kB [ 231.633584] ? lock_release+0x970/0x970 [ 231.637788] = 13948kB [ 231.640209] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 231.644160] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 231.646549] ? check_preemption_disabled+0x48/0x200 [ 231.651871] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 231.660734] ? kasan_check_write+0x14/0x20 [ 231.665734] 4244 total pagecache pages [ 231.674300] ? pvclock_read_flags+0x160/0x160 [ 231.678519] 0 pages in swap cache [ 231.682394] ? lock_downgrade+0x900/0x900 [ 231.686886] Swap cache stats: add 0, delete 0, find 0/0 [ 231.690333] ? trace_hardirqs_on+0xbd/0x310 [ 231.694470] Free swap = 0kB [ 231.699829] ? kvm_sched_clock_read+0x9/0x20 [ 231.704127] Total swap = 0kB [ 231.707135] ? irq_exit+0x17f/0x1c0 [ 231.711512] 1965979 pages RAM [ 231.714531] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.718139] 0 pages HighMem/MovableOnly [ 231.721238] ? check_preemption_disabled+0x48/0x200 [ 231.726805] 342307 pages reserved [ 231.730805] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.735808] 0 pages cma reserved [ 231.739282] run_timer_softirq+0x52/0xb0 [ 231.744867] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 231.748154] ? __this_cpu_preempt_check+0x1c/0x1f [ 231.748165] __do_softirq+0x30b/0xad8 [ 231.748180] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 231.752279] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 231.758729] ? pvclock_read_flags+0x160/0x160 [ 231.763682] syz-executor2 cpuset= [ 231.767481] ? lapic_next_event+0x5a/0x90 [ 231.772576] syz2 [ 231.783066] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.787552] mems_allowed=0 [ 231.791052] ? clockevents_program_event+0x140/0x370 [ 231.810674] ? kvm_clock_read+0x18/0x30 [ 231.814686] ? kvm_sched_clock_read+0x9/0x20 [ 231.819088] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.824647] ? check_preemption_disabled+0x48/0x200 [ 231.829677] irq_exit+0x17f/0x1c0 [ 231.833131] smp_apic_timer_interrupt+0x1cb/0x760 [ 231.837973] ? smp_reschedule_interrupt+0x109/0x650 [ 231.842990] ? smp_call_function_single_interrupt+0x650/0x650 [ 231.848979] ? interrupt_entry+0xb5/0xf0 [ 231.853077] ? trace_hardirqs_off_caller+0xbb/0x310 [ 231.858098] ? trace_hardirqs_off_caller+0xbb/0x310 [ 231.863138] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 231.867985] ? trace_hardirqs_on_caller+0x310/0x310 [ 231.872996] ? trace_hardirqs_on_caller+0x310/0x310 [ 231.878025] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 231.883576] ? check_preemption_disabled+0x48/0x200 [ 231.888585] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 231.894137] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 231.899022] apic_timer_interrupt+0xf/0x20 [ 231.903250] [ 231.905498] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 231.910682] Code: 00 e8 97 f5 a3 f9 e8 d2 63 d3 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d 24 75 80 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d fa 74 [ 231.929572] RSP: 0000:ffff8801bbdd6150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 231.937284] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 231.944545] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe740 [ 231.951832] RBP: ffff8801bbdd6178 R08: ffff8801d838c080 R09: ffffed003b5e5979 [ 231.959131] R10: ffffed003b5e5979 R11: ffff8801daf2cbcb R12: dffffc0000000000 [ 231.966408] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 231.973712] ? trace_hardirqs_on+0x9a/0x310 [ 231.978052] ? trace_hardirqs_on+0xb4/0x310 [ 231.982377] retint_kernel+0x1b/0x2d [ 231.986092] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 231.991379] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 21 17 fa 48 83 3d 99 9c 86 01 00 75 07 e8 9a 7f d3 f9 0f 0b e8 93 7f d3 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 21 17 fa 4c 8b 45 d0 e9 [ 232.010271] RSP: 0000:ffff8801bbdd6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 232.017985] RAX: ffff8801d838c080 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 232.025248] RDX: 0000000000000000 RSI: ffffffff87ab55fd RDI: 0000000000000293 [ 232.032509] RBP: ffff8801bbdd6240 R08: ffff8801d838c080 R09: fffffbfff13d9700 [ 232.039781] R10: fffffbfff13d9700 R11: 0000000000000003 R12: 0000000000000293 [ 232.047044] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff8931f280 [ 232.054334] ? trace_hardirqs_on+0x9a/0x310 [ 232.058646] ? arch_local_irq_restore+0x45/0x52 [ 232.063314] dump_stack+0x26a/0x2b4 [ 232.066949] ? dump_stack_print_info.cold.2+0x52/0x52 [ 232.072159] ? mark_held_locks+0x130/0x130 [ 232.076426] ? mark_held_locks+0x130/0x130 [ 232.080696] dump_header+0x27b/0xf72 [ 232.084448] ? rcu_read_unlock+0x16/0x60 [ 232.088505] ? pagefault_out_of_memory+0x197/0x197 [ 232.093428] ? mark_held_locks+0x130/0x130 [ 232.097667] ? percpu_ref_put_many+0x13e/0x260 [ 232.102276] ? mem_cgroup_charge_statistics+0x780/0x780 [ 232.107645] ? mem_cgroup_iter+0x1f7/0x1160 [ 232.111976] ? mark_held_locks+0x130/0x130 [ 232.116218] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.121755] ? task_will_free_mem+0x239/0xb30 [ 232.126273] ? ___ratelimit+0x36f/0x655 [ 232.130246] ? lock_downgrade+0x900/0x900 [ 232.134394] ? trace_hardirqs_on+0xbd/0x310 [ 232.138712] ? kasan_check_read+0x11/0x20 [ 232.142862] ? ___ratelimit+0x36f/0x655 [ 232.146869] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 232.152330] ? trace_hardirqs_on+0x310/0x310 [ 232.156756] ? lock_downgrade+0x900/0x900 [ 232.160954] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 232.166054] ? ___ratelimit+0xaa/0x655 [ 232.169936] ? idr_get_free+0xec0/0xec0 [ 232.173909] ? kasan_check_write+0x14/0x20 [ 232.178139] ? do_raw_spin_lock+0xc1/0x200 [ 232.182372] oom_kill_process.cold.27+0x10/0x903 [ 232.187125] ? lock_downgrade+0x900/0x900 [ 232.191283] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 232.197091] ? oom_evaluate_task+0x540/0x540 [ 232.201511] ? shrink_node+0x16b0/0x16b0 [ 232.205588] ? oom_unkillable_task+0x383/0x580 [ 232.210166] ? out_of_memory+0x974/0x1430 [ 232.214304] ? lock_downgrade+0x900/0x900 [ 232.218451] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 232.224249] ? __cpuset_node_allowed+0x19b/0x660 [ 232.229017] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 232.234576] ? oom_evaluate_task+0x302/0x540 [ 232.238982] out_of_memory+0xa84/0x1430 [ 232.242983] ? oom_killer_disable+0x3a0/0x3a0 [ 232.247470] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 232.252410] ? __mutex_add_waiter+0x2a0/0x2a0 [ 232.256913] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 232.261935] ? find_next_bit+0x104/0x130 [ 232.266004] __alloc_pages_slowpath+0x2318/0x2d80 [ 232.270875] ? warn_alloc+0x120/0x120 [ 232.274688] ? __radix_tree_lookup+0x4c0/0x4c0 [ 232.279283] ? find_get_entry+0x2f2/0xc40 [ 232.283433] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 232.288373] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 232.293917] ? should_fail+0x22d/0xd01 [ 232.297802] ? ___might_sleep+0x1ed/0x300 [ 232.301948] ? lock_release+0x970/0x970 [ 232.305921] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 232.311074] ? debug_smp_processor_id+0x1c/0x20 [ 232.315811] ? __might_sleep+0x95/0x190 [ 232.319825] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 232.324686] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 232.329714] ? lock_downgrade+0x900/0x900 [ 232.333879] ? ___might_sleep+0x1ed/0x300 [ 232.338075] ? lock_release+0x970/0x970 [ 232.342042] ? arch_local_save_flags+0x40/0x40 [ 232.346633] ? finish_task_switch+0x1f5/0x900 [ 232.351125] ? __might_sleep+0x95/0x190 [ 232.355105] __alloc_pages_nodemask+0xa80/0xde0 [ 232.359915] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 232.364959] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 232.370837] ? kasan_check_write+0x14/0x20 [ 232.375067] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 232.379831] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.385362] ? __do_page_cache_readahead+0x7ce/0x980 [ 232.390493] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 232.396062] alloc_pages_current+0x10c/0x210 [ 232.400466] ? lock_downgrade+0x900/0x900 [ 232.404636] __page_cache_alloc+0x38f/0x5b0 [ 232.408981] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 232.414825] ? ext4_filemap_fault+0x82/0xad [ 232.419206] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 232.423892] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 232.429419] ? check_preemption_disabled+0x48/0x200 [ 232.434440] filemap_fault+0x1594/0x25f0 [ 232.438526] ? __lock_page_or_retry+0xa00/0xa00 [ 232.443187] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 232.448993] ? unwind_dump+0x190/0x190 [ 232.452894] ? is_bpf_text_address+0xd3/0x170 [ 232.457393] ? filemap_map_pages+0xdea/0x1980 [ 232.461893] ? find_get_pages_range_tag+0x1320/0x1320 [ 232.467076] ? save_stack+0xa9/0xd0 [ 232.470701] ? save_stack+0x43/0xd0 [ 232.474326] ? __kasan_slab_free+0x102/0x150 [ 232.478769] ? __sigqueue_free.part.27+0x7d/0xa0 [ 232.483532] ? __dequeue_signal+0x530/0x7d0 [ 232.487873] ? dequeue_signal+0x26c/0x630 [ 232.492030] ? get_signal+0x3ec/0x1980 [ 232.496022] ? do_signal+0x9c/0x21e0 [ 232.499760] ? exit_to_usermode_loop+0x2e5/0x380 [ 232.504516] ? mark_held_locks+0x130/0x130 [ 232.508766] ? trace_hardirqs_on+0x310/0x310 [ 232.513176] ? lock_acquire+0x1ed/0x520 [ 232.517156] ? ext4_filemap_fault+0x7a/0xad [ 232.521532] ? lock_release+0x970/0x970 [ 232.525517] ? arch_local_save_flags+0x40/0x40 [ 232.530093] ? mark_held_locks+0x130/0x130 [ 232.534322] ? trace_hardirqs_off+0xb8/0x310 [ 232.538739] ? down_read+0xb0/0x1d0 [ 232.542366] ? ext4_filemap_fault+0x7a/0xad [ 232.546698] ? __down_interruptible+0x700/0x700 [ 232.551440] ? kmem_cache_free+0x21a/0x290 [ 232.555679] ? __sigqueue_free.part.27+0x7d/0xa0 [ 232.560435] ? __dequeue_signal+0xf9/0x7d0 [ 232.564692] ext4_filemap_fault+0x82/0xad [ 232.568845] __do_fault+0x100/0x6b0 [ 232.572473] ? print_bad_pte+0x6c0/0x6c0 [ 232.576527] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 232.582076] ? pmd_val+0x88/0x100 [ 232.585554] ? add_mm_counter_fast+0xd0/0xd0 [ 232.590054] ? pmd_val+0x88/0x100 [ 232.593525] ? add_mm_counter_fast+0xd0/0xd0 [ 232.597940] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 232.603474] __handle_mm_fault+0x3709/0x53e0 [ 232.607899] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 232.612754] ? kasan_check_write+0x14/0x20 [ 232.617034] ? do_raw_spin_lock+0xc1/0x200 [ 232.621280] ? _raw_spin_unlock_irq+0x60/0x80 [ 232.625807] ? __set_current_blocked+0xe4/0x120 [ 232.630512] ? lock_acquire+0x1ed/0x520 [ 232.634505] ? handle_mm_fault+0x42a/0xc70 [ 232.638764] ? lock_downgrade+0x900/0x900 [ 232.642971] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 232.648764] ? __do_page_fault+0x67d/0xed0 [ 232.652994] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 232.658437] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 232.663968] ? check_preemption_disabled+0x48/0x200 [ 232.669013] handle_mm_fault+0x54f/0xc70 [ 232.673071] ? __handle_mm_fault+0x53e0/0x53e0 [ 232.677646] ? find_vma+0x34/0x190 [ 232.681177] __do_page_fault+0x67d/0xed0 [ 232.685238] ? mm_fault_error+0x380/0x380 [ 232.689431] ? syscall_slow_exit_work+0x520/0x520 [ 232.694273] do_page_fault+0xf2/0x7e0 [ 232.698068] ? vmalloc_sync_all+0x30/0x30 [ 232.702221] ? error_entry+0x70/0xd0 [ 232.706003] ? trace_hardirqs_off_caller+0xbb/0x310 [ 232.711011] ? trace_hardirqs_on_caller+0xc0/0x310 [ 232.715940] ? syscall_return_slowpath+0x5e0/0x5e0 [ 232.720863] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 232.725705] ? trace_hardirqs_on_caller+0x310/0x310 [ 232.730736] ? trace_hardirqs_off+0x310/0x310 [ 232.735234] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 232.740282] ? prepare_exit_to_usermode+0x291/0x3b0 [ 232.745316] ? page_fault+0x8/0x30 [ 232.748855] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 232.753728] ? page_fault+0x8/0x30 [ 232.757292] page_fault+0x1e/0x30 [ 232.760740] RIP: 0033:0x45db60 [ 232.763938] Code: Bad RIP value. [ 232.767317] RSP: 002b:000000c420049ab8 EFLAGS: 00010286 [ 232.772752] RAX: 0000000000000000 RBX: 000000c420026380 RCX: 000000000045ddf3 [ 232.780053] RDX: 000000c420049ac0 RSI: 000000c420049bf0 RDI: 0000000000000011 [ 232.787311] RBP: 000000c420022f08 R08: 0000000000000000 R09: 0000000000000000 [ 232.794568] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42005c168 [ 232.801835] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000 [ 232.809135] CPU: 0 PID: 7800 Comm: syz-executor2 Not tainted 4.19.0-rc6+ #119 [ 232.809186] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 232.816413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 232.822954] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 232.832214] Call Trace: [ 232.842453] syz-fuzzer cpuset= [ 232.845034] [ 232.845036] / mems_allowed=0 [ 232.848237] dump_stack+0x1c4/0x2b4 [ 232.857036] ? dump_stack_print_info.cold.2+0x52/0x52 [ 232.862326] warn_alloc.cold.119+0xb7/0x1bd [ 232.866644] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 232.871510] ? lock_downgrade+0x900/0x900 [ 232.875650] ? trace_hardirqs_off+0xb8/0x310 [ 232.880049] ? trace_hardirqs_off+0xb8/0x310 [ 232.884475] __alloc_pages_slowpath+0x2667/0x2d80 [ 232.889326] ? warn_alloc+0x120/0x120 [ 232.893145] ? lock_release+0x970/0x970 [ 232.897129] ? warn_alloc+0x120/0x120 [ 232.900939] ? trace_hardirqs_on+0x310/0x310 [ 232.905345] ? warn_alloc+0x120/0x120 [ 232.909161] ? mark_held_locks+0x130/0x130 [ 232.913405] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.918941] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 232.924486] ? should_fail+0x22d/0xd01 [ 232.928384] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 232.933481] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 232.939035] ? should_fail+0x22d/0xd01 [ 232.942958] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 232.948564] ? should_fail+0x22d/0xd01 [ 232.952450] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 232.957547] ? mark_held_locks+0x130/0x130 [ 232.961839] ? mark_held_locks+0x130/0x130 [ 232.966111] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.971648] ? trace_hardirqs_off+0xb8/0x310 [ 232.976053] ? kasan_check_read+0x11/0x20 [ 232.980194] ? do_raw_spin_unlock+0xa7/0x2f0 [ 232.984613] ? trace_hardirqs_on+0x310/0x310 [ 232.989026] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.994553] ? wq_watchdog_touch+0x9c/0xfe [ 232.998783] ? io_serial_in+0x11/0x90 [ 233.002575] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.008121] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 233.013230] __alloc_pages_nodemask+0xa80/0xde0 [ 233.017892] ? should_fail+0x22d/0xd01 [ 233.021802] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 233.026857] ? ____cache_alloc_node+0x1c7/0x1e0 [ 233.031520] ? lock_downgrade+0x900/0x900 [ 233.035665] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.041199] cache_grow_begin+0x91/0x8c0 [ 233.045301] ? do_raw_spin_unlock+0xa7/0x2f0 [ 233.049738] fallback_alloc+0x203/0x2e0 [ 233.053727] ____cache_alloc_node+0x1c7/0x1e0 [ 233.058242] kmem_cache_alloc_node+0xe3/0x730 [ 233.062759] ? ipv6_get_ifaddr+0x42e/0x620 [ 233.067061] __alloc_skb+0x119/0x770 [ 233.070795] ? skb_scrub_packet+0x490/0x490 [ 233.075121] ? lock_downgrade+0x900/0x900 [ 233.079491] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.085042] ? refcount_sub_and_test_checked+0x203/0x310 [ 233.090499] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 233.095959] ? addrconf_rs_timer+0x690/0x690 [ 233.100375] ndisc_alloc_skb+0x144/0x340 [ 233.104443] ndisc_send_rs+0x331/0x6e0 [ 233.108330] addrconf_rs_timer+0x314/0x690 [ 233.112569] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 233.116842] call_timer_fn+0x272/0x920 [ 233.120761] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 233.125030] ? process_timeout+0x40/0x40 [ 233.129098] ? trace_hardirqs_off+0xb8/0x310 [ 233.133501] ? kasan_check_read+0x11/0x20 [ 233.137685] ? do_raw_spin_unlock+0xa7/0x2f0 [ 233.142105] ? trace_hardirqs_on+0x310/0x310 [ 233.146532] ? __run_timers+0x7da/0xc70 [ 233.150529] ? lock_downgrade+0x900/0x900 [ 233.154698] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 233.159823] ? trace_hardirqs_on+0xbd/0x310 [ 233.164154] ? kasan_check_read+0x11/0x20 [ 233.168366] ? __run_timers+0x7da/0xc70 [ 233.172350] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 233.177803] ? kasan_check_write+0x14/0x20 [ 233.182084] ? do_raw_spin_lock+0xc1/0x200 [ 233.186318] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 233.190544] __run_timers+0x7e5/0xc70 [ 233.194367] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 233.199737] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 233.204757] ? timerqueue_add+0x207/0x2b0 [ 233.208903] ? enqueue_hrtimer+0x1a5/0x560 [ 233.213137] ? lock_release+0x970/0x970 [ 233.217119] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 233.222323] ? kasan_check_write+0x14/0x20 [ 233.226564] ? pvclock_read_flags+0x160/0x160 [ 233.231090] ? lock_downgrade+0x900/0x900 [ 233.235249] ? trace_hardirqs_on+0xbd/0x310 [ 233.239570] ? kvm_sched_clock_read+0x9/0x20 [ 233.243972] ? irq_exit+0x17f/0x1c0 [ 233.247596] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.253135] ? check_preemption_disabled+0x48/0x200 [ 233.258157] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.263687] run_timer_softirq+0x52/0xb0 [ 233.267755] ? __this_cpu_preempt_check+0x1c/0x1f [ 233.272603] __do_softirq+0x30b/0xad8 [ 233.276420] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 233.281521] ? pvclock_read_flags+0x160/0x160 [ 233.286011] ? lapic_next_event+0x5a/0x90 [ 233.290182] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.295713] ? clockevents_program_event+0x140/0x370 [ 233.300827] ? kvm_clock_read+0x18/0x30 [ 233.304799] ? kvm_sched_clock_read+0x9/0x20 [ 233.309224] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.314764] ? check_preemption_disabled+0x48/0x200 [ 233.319798] irq_exit+0x17f/0x1c0 [ 233.323247] smp_apic_timer_interrupt+0x1cb/0x760 [ 233.328082] ? smp_reschedule_interrupt+0x109/0x650 [ 233.333089] ? smp_call_function_single_interrupt+0x650/0x650 [ 233.338980] ? interrupt_entry+0xb5/0xf0 [ 233.343056] ? trace_hardirqs_off_caller+0xbb/0x310 [ 233.348100] ? trace_hardirqs_off_caller+0xbb/0x310 [ 233.353107] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 233.357942] ? trace_hardirqs_on_caller+0x310/0x310 [ 233.362953] ? trace_hardirqs_on_caller+0x310/0x310 [ 233.367970] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.373502] ? check_preemption_disabled+0x48/0x200 [ 233.378514] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 233.383362] apic_timer_interrupt+0xf/0x20 [ 233.387734] [ 233.390000] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 233.395877] Code: 3f 7e 0f 85 32 ff ff ff e8 53 4a 3e ff e9 28 ff ff ff e8 ba ad c2 ff 48 83 3d 0a bf 6f 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 62 23 [ 233.414771] RSP: 0018:ffff88019a29f4a8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 233.422483] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000627e000 [ 233.429779] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 233.437055] RBP: ffff88019a29f520 R08: ffff8801ba14e480 R09: fffffbfff12720c0 [ 233.444311] R10: ffff88019a29e0f0 R11: ffffffff89390603 R12: ffff8801da800ac0 [ 233.451572] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286 [ 233.458853] ? trace_hardirqs_on+0xb4/0x310 [ 233.463176] ? save_stack+0xa9/0xd0 [ 233.466815] __kmalloc_node_track_caller+0x33/0x70 [ 233.471772] __kmalloc_reserve.isra.39+0xcc/0xe0 [ 233.476552] pskb_expand_head+0x230/0x10f0 [ 233.480785] ? lock_downgrade+0x900/0x900 [ 233.484930] ? check_preemption_disabled+0x48/0x200 [ 233.489963] ? memcpy+0x45/0x50 [ 233.493292] ? __copy_skb_header+0x350/0x6b0 [ 233.497713] ? __pskb_copy_fclone+0xeb0/0xeb0 [ 233.502231] ? skb_checksum+0x140/0x140 [ 233.506216] ? trace_hardirqs_on+0xbd/0x310 [ 233.510544] ? skb_clone+0x1bb/0x500 [ 233.514255] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 233.519714] ? kasan_unpoison_shadow+0x35/0x50 [ 233.524302] ? kasan_check_write+0x14/0x20 [ 233.528539] ? __skb_clone+0x6c7/0xa00 [ 233.532422] ? __copy_skb_header+0x6b0/0x6b0 [ 233.536843] ? kmem_cache_alloc+0x306/0x730 [ 233.541159] skb_ensure_writable+0x3dd/0x640 [ 233.545566] ? skb_cow_data+0xf10/0xf10 [ 233.549568] ? check_preemption_disabled+0x48/0x200 [ 233.554613] ? __this_cpu_preempt_check+0x1c/0x1f [ 233.559478] ? __bpf_redirect+0x54b/0xb20 [ 233.563620] ? __switch_to_asm+0x34/0x70 [ 233.567715] bpf_clone_redirect+0x14a/0x490 [ 233.572121] bpf_prog_3d1649e183dc2cc1+0xca3/0x1000 [ 233.577131] ? __sched_text_start+0x8/0x8 [ 233.581277] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 233.586032] ? retint_kernel+0x2d/0x2d [ 233.589932] ? trace_hardirqs_on_caller+0xc0/0x310 [ 233.594895] ? retint_kernel+0x2d/0x2d [ 233.598778] ? trace_hardirqs_on_caller+0xc0/0x310 [ 233.603741] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 233.608500] ? trace_hardirqs_off+0x310/0x310 [ 233.612985] ? retint_kernel+0x1b/0x2d [ 233.616894] ? lock_acquire+0x1ed/0x520 [ 233.620868] ? bpf_test_run+0x3cb/0x780 [ 233.624833] ? lock_downgrade+0x900/0x900 [ 233.628983] ? lock_release+0x970/0x970 [ 233.632955] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 233.638751] ? preempt_schedule_common+0x1f/0xd0 [ 233.643498] ? preempt_schedule+0x4d/0x60 [ 233.647640] ? ___preempt_schedule+0x16/0x18 [ 233.652064] ? bpf_test_run+0x25d/0x780 [ 233.656047] ? netlink_diag_dump+0x2a0/0x2a0 [ 233.660445] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 233.665988] ? bpf_test_init.isra.9+0x70/0x100 [ 233.670586] ? bpf_prog_test_run_skb+0x634/0xb40 [ 233.675396] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 233.680245] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 233.685773] ? fput+0x130/0x1a0 [ 233.689050] ? __bpf_prog_get+0x9b/0x290 [ 233.693104] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 233.697939] ? bpf_prog_test_run+0x130/0x1a0 [ 233.702341] ? __x64_sys_bpf+0x3d8/0x510 [ 233.706401] ? bpf_prog_get+0x20/0x20 [ 233.710205] ? __x64_sys_futex+0x4bc/0x6a0 [ 233.714444] ? do_syscall_64+0x1b9/0x820 [ 233.718506] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 233.723867] ? syscall_return_slowpath+0x5e0/0x5e0 [ 233.728822] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 233.733706] ? trace_hardirqs_on_caller+0x310/0x310 [ 233.738737] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 233.743788] ? prepare_exit_to_usermode+0x291/0x3b0 [ 233.748836] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 233.753691] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 233.759057] warn_alloc_show_mem: 1 callbacks suppressed [ 233.759068] CPU: 1 PID: 5806 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #119 [ 233.759070] Mem-Info: [ 233.759096] active_anon:46475 inactive_anon:4207 isolated_anon:0 [ 233.759096] active_file:17 inactive_file:13 isolated_file:0 [ 233.759096] unevictable:0 dirty:0 writeback:0 unstable:0 [ 233.759096] slab_reclaimable:8782 slab_unreclaimable:1485678 [ 233.759096] mapped:8194 shmem:4214 pagetables:396 bounce:0 [ 233.759096] free:13756 free_pcp:276 free_cma:0 [ 233.764440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 233.771456] Node 0 active_anon:185900kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32776kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 233.773885] Call Trace: [ 233.806826] Node 0 [ 233.816184] [ 233.844080] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 233.846656] dump_stack+0x1c4/0x2b4 [ 233.848875] lowmem_reserve[]: [ 233.851053] ? dump_stack_print_info.cold.2+0x52/0x52 [ 233.876664] 0 [ 233.880302] warn_alloc.cold.119+0xb7/0x1bd [ 233.883394] 2819 [ 233.888607] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 233.890379] 6323 [ 233.894688] ? lock_downgrade+0x900/0x900 [ 233.896746] 6323 [ 233.901577] ? trace_hardirqs_off+0xb8/0x310 [ 233.907773] ? trace_hardirqs_off+0xb8/0x310 [ 233.909835] Node 0 [ 233.914252] __alloc_pages_slowpath+0x2667/0x2d80 [ 233.918672] DMA32 free:25168kB min:30060kB low:37572kB high:45084kB active_anon:10240kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 233.920911] ? warn_alloc+0x120/0x120 [ 233.925714] lowmem_reserve[]: [ 233.953054] ? trace_hardirqs_on+0x310/0x310 [ 233.956859] 0 [ 233.959967] ? warn_alloc+0x120/0x120 [ 233.964352] 0 [ 233.966170] ? warn_alloc+0x120/0x120 [ 233.969966] 3503 [ 233.972070] ? ktime_get+0x2e1/0x440 [ 233.975844] 3503 [ 233.977907] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.983663] ? check_preemption_disabled+0x48/0x200 [ 233.989173] Node 0 Normal free:13948kB min:37352kB low:46688kB high:56024kB active_anon:175660kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5056kB pagetables:1584kB bounce:0kB free_pcp:856kB local_pcp:320kB free_cma:0kB [ 233.994235] ? kasan_check_read+0x11/0x20 [ 233.994251] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 234.023405] lowmem_reserve[]: [ 234.027551] ? should_fail+0x22d/0xd01 [ 234.033087] 0 [ 234.036211] ? rcu_bh_qs+0xc0/0xc0 [ 234.040073] 0 [ 234.041868] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 234.045416] 0 [ 234.047254] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 234.052359] 0 [ 234.054203] ? should_fail+0x22d/0xd01 [ 234.061559] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 234.065414] Node 0 [ 234.070509] ? should_fail+0x22d/0xd01 [ 234.070512] DMA: 1*4kB [ 234.072754] ? rcu_idle_enter+0x4b0/0x4b0 [ 234.076611] (U) [ 234.079185] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 234.083307] 0*8kB [ 234.085279] ? mark_held_locks+0x130/0x130 [ 234.090365] 0*16kB [ 234.092509] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.096713] 1*32kB [ 234.098943] ? mark_held_locks+0x130/0x130 [ 234.104479] (U) [ 234.106713] ? rcu_irq_exit+0xce/0x100 [ 234.110948] 2*64kB [ 234.112921] ? irq_exit+0xbd/0x1c0 [ 234.116790] (U) [ 234.119016] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 234.122567] 1*128kB [ 234.124570] ? do_raw_spin_unlock+0xa7/0x2f0 [ 234.129603] (U) [ 234.131975] ? smp_call_function_single_interrupt+0x650/0x650 [ 234.136355] 1*256kB [ 234.138326] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.144186] (U) [ 234.146517] ? ret_from_intr+0xb/0x1e [ 234.152046] 0*512kB [ 234.154042] ? retint_kernel+0x2d/0x2d [ 234.157831] 1*1024kB [ 234.160164] ? trace_hardirqs_on_caller+0xc0/0x310 [ 234.164039] (U) [ 234.166467] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 234.171369] 1*2048kB [ 234.173335] ? trace_hardirqs_off+0x310/0x310 [ 234.178083] (M) [ 234.180485] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 234.184970] 3*4096kB [ 234.186955] __alloc_pages_nodemask+0xa80/0xde0 [ 234.192042] (M) [ 234.194439] ? should_fail+0x22d/0xd01 [ 234.199078] = 15908kB [ 234.201068] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 234.204924] Node 0 [ 234.207341] ? ____cache_alloc_node+0x1c7/0x1e0 [ 234.212324] DMA32: [ 234.214577] ? lock_downgrade+0x900/0x900 [ 234.219223] 2*4kB [ 234.221475] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.225604] (M) [ 234.227773] cache_grow_begin+0x91/0x8c0 [ 234.233286] 1*8kB [ 234.235273] ? do_raw_spin_unlock+0xa7/0x2f0 [ 234.239323] (M) [ 234.241470] fallback_alloc+0x203/0x2e0 [ 234.245851] 2*16kB [ 234.247816] ____cache_alloc_node+0x1c7/0x1e0 [ 234.251766] (M) [ 234.254052] kmem_cache_alloc_node+0xe3/0x730 [ 234.258549] 3*32kB [ 234.260531] ? ipv6_get_ifaddr+0x42e/0x620 [ 234.265017] (MH) [ 234.267281] __alloc_skb+0x119/0x770 [ 234.271511] 5*64kB [ 234.273574] ? skb_scrub_packet+0x490/0x490 [ 234.277270] (MH) [ 234.279505] ? lock_downgrade+0x900/0x900 [ 234.283802] 3*128kB [ 234.285853] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.289977] (M) [ 234.292295] ? refcount_sub_and_test_checked+0x203/0x310 [ 234.297818] 5*256kB [ 234.299800] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 234.305219] (UMH) [ 234.307545] ? addrconf_rs_timer+0x690/0x690 [ 234.312969] 5*512kB [ 234.315148] ndisc_alloc_skb+0x144/0x340 [ 234.319541] (UMH) [ 234.321854] ndisc_send_rs+0x331/0x6e0 [ 234.325909] 4*1024kB [ 234.328157] addrconf_rs_timer+0x314/0x690 [ 234.332016] (UMH) [ 234.334431] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 234.338669] 2*2048kB [ 234.340823] call_timer_fn+0x272/0x920 [ 234.345059] (M) [ 234.347464] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 234.351418] 3*4096kB [ 234.353400] ? process_timeout+0x40/0x40 [ 234.357625] (M) [ 234.360040] ? trace_hardirqs_off+0xb8/0x310 [ 234.364073] = 25168kB [ 234.366040] ? kasan_check_read+0x11/0x20 [ 234.370440] Node 0 [ 234.372920] ? do_raw_spin_unlock+0xa7/0x2f0 [ 234.377082] Normal: [ 234.379321] ? trace_hardirqs_on+0x310/0x310 [ 234.383707] 1081*4kB [ 234.386027] ? __run_timers+0x7da/0xc70 [ 234.390402] (UMEH) [ 234.392799] ? lock_downgrade+0x900/0x900 [ 234.396752] 387*8kB [ 234.399001] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 234.403125] (ME) [ 234.405454] ? trace_hardirqs_on+0xbd/0x310 [ 234.410542] 152*16kB [ 234.412595] ? kasan_check_read+0x11/0x20 [ 234.416888] (UME) [ 234.419290] ? __run_timers+0x7da/0xc70 [ 234.423409] 54*32kB [ 234.425557] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 234.429500] (UME) [ 234.431811] ? kasan_check_write+0x14/0x20 [ 234.437240] 21*64kB [ 234.439385] ? do_raw_spin_lock+0xc1/0x200 [ 234.443590] (UM) [ 234.445961] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 234.450170] 0*128kB [ 234.452236] __run_timers+0x7e5/0xc70 [ 234.456487] 0*256kB [ 234.458826] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 234.462631] 2*512kB [ 234.464974] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 234.470313] (U) [ 234.472644] ? timerqueue_add+0x207/0x2b0 [ 234.477630] 0*1024kB [ 234.479590] ? enqueue_hrtimer+0x1a5/0x560 [ 234.483787] 0*2048kB [ 234.486201] ? lock_release+0x970/0x970 [ 234.490420] 0*4096kB [ 234.492828] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 234.496781] = 13948kB [ 234.499181] ? check_preemption_disabled+0x48/0x200 [ 234.504364] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 234.506766] ? kasan_check_write+0x14/0x20 [ 234.511773] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 234.520617] ? pvclock_read_flags+0x160/0x160 [ 234.524823] 4244 total pagecache pages [ 234.533401] ? lock_downgrade+0x900/0x900 [ 234.537894] 0 pages in swap cache [ 234.541781] ? trace_hardirqs_on+0xbd/0x310 [ 234.545909] Swap cache stats: add 0, delete 0, find 0/0 [ 234.549345] ? kvm_sched_clock_read+0x9/0x20 [ 234.553642] Free swap = 0kB [ 234.558994] ? irq_exit+0x17f/0x1c0 [ 234.563377] Total swap = 0kB [ 234.566380] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.569981] 1965979 pages RAM [ 234.573000] ? check_preemption_disabled+0x48/0x200 [ 234.578779] 0 pages HighMem/MovableOnly [ 234.581904] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.586905] 342307 pages reserved [ 234.590881] run_timer_softirq+0x52/0xb0 [ 234.596396] 0 pages cma reserved [ 234.599879] ? __this_cpu_preempt_check+0x1c/0x1f [ 234.604019] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 234.607289] __do_softirq+0x30b/0xad8 [ 234.607304] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 234.607317] ? pvclock_read_flags+0x160/0x160 [ 234.612172] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 234.618624] ? lapic_next_event+0x5a/0x90 [ 234.622397] syz-executor2 cpuset= [ 234.627487] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.631988] syz2 [ 234.642476] ? clockevents_program_event+0x140/0x370 [ 234.646600] mems_allowed=0 [ 234.650039] ? kvm_clock_read+0x18/0x30 [ 234.669757] ? kvm_sched_clock_read+0x9/0x20 [ 234.674172] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.679798] ? check_preemption_disabled+0x48/0x200 [ 234.684817] irq_exit+0x17f/0x1c0 [ 234.688265] smp_apic_timer_interrupt+0x1cb/0x760 [ 234.693101] ? smp_reschedule_interrupt+0x109/0x650 [ 234.698118] ? smp_call_function_single_interrupt+0x650/0x650 [ 234.704030] ? interrupt_entry+0xb5/0xf0 [ 234.708090] ? trace_hardirqs_off_caller+0xbb/0x310 [ 234.713147] ? trace_hardirqs_off_caller+0xbb/0x310 [ 234.718160] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 234.723034] ? trace_hardirqs_on_caller+0x310/0x310 [ 234.728044] ? trace_hardirqs_on_caller+0x310/0x310 [ 234.733073] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 234.738688] ? check_preemption_disabled+0x48/0x200 [ 234.743733] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 234.749269] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 234.754113] apic_timer_interrupt+0xf/0x20 [ 234.758362] [ 234.760604] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 234.765810] Code: 00 e8 97 f5 a3 f9 e8 d2 63 d3 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d 24 75 80 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d fa 74 [ 234.784716] RSP: 0000:ffff8801bbdd6150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 234.792428] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 234.799714] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe740 [ 234.806983] RBP: ffff8801bbdd6178 R08: ffff8801d838c080 R09: ffffed003b5e5979 [ 234.814459] R10: ffffed003b5e5979 R11: ffff8801daf2cbcb R12: dffffc0000000000 [ 234.821741] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 234.829017] ? trace_hardirqs_on+0x9a/0x310 [ 234.833334] ? trace_hardirqs_on+0xb4/0x310 [ 234.837675] retint_kernel+0x1b/0x2d [ 234.841397] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 234.846675] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 21 17 fa 48 83 3d 99 9c 86 01 00 75 07 e8 9a 7f d3 f9 0f 0b e8 93 7f d3 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 21 17 fa 4c 8b 45 d0 e9 [ 234.865580] RSP: 0000:ffff8801bbdd6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 234.873283] RAX: ffff8801d838c080 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 234.880558] RDX: 0000000000000000 RSI: ffffffff87ab55fd RDI: 0000000000000293 [ 234.887819] RBP: ffff8801bbdd6240 R08: ffff8801d838c080 R09: fffffbfff13d9700 [ 234.895079] R10: fffffbfff13d9700 R11: 0000000000000003 R12: 0000000000000293 [ 234.902340] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff8931f280 [ 234.909612] ? trace_hardirqs_on+0x9a/0x310 [ 234.913926] ? arch_local_irq_restore+0x45/0x52 [ 234.918597] dump_stack+0x26a/0x2b4 [ 234.922254] ? dump_stack_print_info.cold.2+0x52/0x52 [ 234.927446] ? mark_held_locks+0x130/0x130 [ 234.931686] ? mark_held_locks+0x130/0x130 [ 234.935921] dump_header+0x27b/0xf72 [ 234.939645] ? rcu_read_unlock+0x16/0x60 [ 234.943700] ? pagefault_out_of_memory+0x197/0x197 [ 234.948890] ? mark_held_locks+0x130/0x130 [ 234.953117] ? percpu_ref_put_many+0x13e/0x260 [ 234.957742] ? mem_cgroup_charge_statistics+0x780/0x780 [ 234.963114] ? mem_cgroup_iter+0x1f7/0x1160 [ 234.967439] ? mark_held_locks+0x130/0x130 [ 234.971691] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.977248] ? task_will_free_mem+0x239/0xb30 [ 234.981779] ? ___ratelimit+0x36f/0x655 [ 234.985774] ? lock_downgrade+0x900/0x900 [ 234.989939] ? trace_hardirqs_on+0xbd/0x310 [ 234.994255] ? kasan_check_read+0x11/0x20 [ 234.998400] ? ___ratelimit+0x36f/0x655 [ 235.002373] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 235.007821] ? trace_hardirqs_on+0x310/0x310 [ 235.012225] ? lock_downgrade+0x900/0x900 [ 235.016380] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 235.021476] ? ___ratelimit+0xaa/0x655 [ 235.025375] ? idr_get_free+0xec0/0xec0 [ 235.029353] ? kasan_check_write+0x14/0x20 [ 235.033595] ? do_raw_spin_lock+0xc1/0x200 [ 235.037858] oom_kill_process.cold.27+0x10/0x903 [ 235.042616] ? lock_downgrade+0x900/0x900 [ 235.046766] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 235.052571] ? oom_evaluate_task+0x540/0x540 [ 235.056973] ? shrink_node+0x16b0/0x16b0 [ 235.061047] ? oom_unkillable_task+0x383/0x580 [ 235.065652] ? out_of_memory+0x974/0x1430 [ 235.069856] ? lock_downgrade+0x900/0x900 [ 235.074031] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 235.080326] ? __cpuset_node_allowed+0x19b/0x660 [ 235.085077] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 235.090609] ? oom_evaluate_task+0x302/0x540 [ 235.095031] out_of_memory+0xa84/0x1430 [ 235.099002] ? oom_killer_disable+0x3a0/0x3a0 [ 235.103490] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 235.108424] ? __mutex_add_waiter+0x2a0/0x2a0 [ 235.112947] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 235.117955] ? find_next_bit+0x104/0x130 [ 235.122083] __alloc_pages_slowpath+0x2318/0x2d80 [ 235.126939] ? warn_alloc+0x120/0x120 [ 235.130757] ? __radix_tree_lookup+0x4c0/0x4c0 [ 235.135341] ? find_get_entry+0x2f2/0xc40 [ 235.139491] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 235.144433] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 235.149991] ? should_fail+0x22d/0xd01 [ 235.153878] ? ___might_sleep+0x1ed/0x300 [ 235.158034] ? lock_release+0x970/0x970 [ 235.162012] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 235.167119] ? debug_smp_processor_id+0x1c/0x20 [ 235.171834] ? __might_sleep+0x95/0x190 [ 235.175823] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 235.180667] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 235.185688] ? lock_downgrade+0x900/0x900 [ 235.189954] ? ___might_sleep+0x1ed/0x300 [ 235.194117] ? lock_release+0x970/0x970 [ 235.198095] ? arch_local_save_flags+0x40/0x40 [ 235.202678] ? finish_task_switch+0x1f5/0x900 [ 235.207183] ? __might_sleep+0x95/0x190 [ 235.211160] __alloc_pages_nodemask+0xa80/0xde0 [ 235.215836] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 235.220891] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 235.226694] ? kasan_check_write+0x14/0x20 [ 235.230937] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 235.235642] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.241216] ? __do_page_cache_readahead+0x7ce/0x980 [ 235.246337] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 235.251920] alloc_pages_current+0x10c/0x210 [ 235.256326] ? lock_downgrade+0x900/0x900 [ 235.260495] __page_cache_alloc+0x38f/0x5b0 [ 235.264815] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 235.270610] ? ext4_filemap_fault+0x82/0xad [ 235.274931] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 235.279599] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 235.285134] ? check_preemption_disabled+0x48/0x200 [ 235.290150] filemap_fault+0x1594/0x25f0 [ 235.294212] ? __lock_page_or_retry+0xa00/0xa00 [ 235.298880] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 235.304670] ? unwind_dump+0x190/0x190 [ 235.308591] ? is_bpf_text_address+0xd3/0x170 [ 235.313129] ? filemap_map_pages+0xdea/0x1980 [ 235.317629] ? find_get_pages_range_tag+0x1320/0x1320 [ 235.322837] ? save_stack+0xa9/0xd0 [ 235.326463] ? save_stack+0x43/0xd0 [ 235.330094] ? __kasan_slab_free+0x102/0x150 [ 235.334516] ? __sigqueue_free.part.27+0x7d/0xa0 [ 235.339265] ? __dequeue_signal+0x530/0x7d0 [ 235.343576] ? dequeue_signal+0x26c/0x630 [ 235.347716] ? get_signal+0x3ec/0x1980 [ 235.351608] ? do_signal+0x9c/0x21e0 [ 235.355317] ? exit_to_usermode_loop+0x2e5/0x380 [ 235.360097] ? mark_held_locks+0x130/0x130 [ 235.364325] ? trace_hardirqs_on+0x310/0x310 [ 235.368767] ? lock_acquire+0x1ed/0x520 [ 235.372786] ? ext4_filemap_fault+0x7a/0xad [ 235.377119] ? lock_release+0x970/0x970 [ 235.381114] ? arch_local_save_flags+0x40/0x40 [ 235.385755] ? mark_held_locks+0x130/0x130 [ 235.389986] ? trace_hardirqs_off+0xb8/0x310 [ 235.394402] ? down_read+0xb0/0x1d0 [ 235.398033] ? ext4_filemap_fault+0x7a/0xad [ 235.402350] ? __down_interruptible+0x700/0x700 [ 235.407009] ? kmem_cache_free+0x21a/0x290 [ 235.411247] ? __sigqueue_free.part.27+0x7d/0xa0 [ 235.416025] ? __dequeue_signal+0xf9/0x7d0 [ 235.420264] ext4_filemap_fault+0x82/0xad [ 235.424420] __do_fault+0x100/0x6b0 [ 235.428098] ? print_bad_pte+0x6c0/0x6c0 [ 235.432205] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 235.437750] ? pmd_val+0x88/0x100 [ 235.441213] ? add_mm_counter_fast+0xd0/0xd0 [ 235.445638] ? pmd_val+0x88/0x100 [ 235.449195] ? add_mm_counter_fast+0xd0/0xd0 [ 235.453618] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 235.459157] __handle_mm_fault+0x3709/0x53e0 [ 235.463582] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 235.468457] ? kasan_check_write+0x14/0x20 [ 235.472700] ? do_raw_spin_lock+0xc1/0x200 [ 235.476945] ? _raw_spin_unlock_irq+0x60/0x80 [ 235.481432] ? __set_current_blocked+0xe4/0x120 [ 235.486099] ? lock_acquire+0x1ed/0x520 [ 235.490072] ? handle_mm_fault+0x42a/0xc70 [ 235.494304] ? lock_downgrade+0x900/0x900 [ 235.498451] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 235.504255] ? __do_page_fault+0x67d/0xed0 [ 235.508501] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 235.513943] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 235.519505] ? check_preemption_disabled+0x48/0x200 [ 235.524544] handle_mm_fault+0x54f/0xc70 [ 235.528612] ? __handle_mm_fault+0x53e0/0x53e0 [ 235.533190] ? find_vma+0x34/0x190 [ 235.536743] __do_page_fault+0x67d/0xed0 [ 235.540811] ? mm_fault_error+0x380/0x380 [ 235.544977] ? syscall_slow_exit_work+0x520/0x520 [ 235.549850] do_page_fault+0xf2/0x7e0 [ 235.553653] ? vmalloc_sync_all+0x30/0x30 [ 235.557808] ? error_entry+0x70/0xd0 [ 235.561515] ? trace_hardirqs_off_caller+0xbb/0x310 [ 235.566529] ? trace_hardirqs_on_caller+0xc0/0x310 [ 235.571463] ? syscall_return_slowpath+0x5e0/0x5e0 [ 235.576400] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 235.581251] ? trace_hardirqs_on_caller+0x310/0x310 [ 235.586269] ? trace_hardirqs_off+0x310/0x310 [ 235.590781] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 235.595793] ? prepare_exit_to_usermode+0x291/0x3b0 [ 235.600808] ? page_fault+0x8/0x30 [ 235.604362] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 235.609227] ? page_fault+0x8/0x30 [ 235.612765] page_fault+0x1e/0x30 [ 235.616208] RIP: 0033:0x45db60 [ 235.619412] Code: Bad RIP value. [ 235.622777] RSP: 002b:000000c420049ab8 EFLAGS: 00010286 [ 235.628177] RAX: 0000000000000000 RBX: 000000c420026380 RCX: 000000000045ddf3 [ 235.635452] RDX: 000000c420049ac0 RSI: 000000c420049bf0 RDI: 0000000000000011 [ 235.642730] RBP: 000000c420022f08 R08: 0000000000000000 R09: 0000000000000000 [ 235.650022] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42005c168 [ 235.657334] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000 [ 235.664613] CPU: 0 PID: 7800 Comm: syz-executor2 Not tainted 4.19.0-rc6+ #119 [ 235.664659] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 235.671887] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 235.671891] Call Trace: [ 235.671896] [ 235.671911] dump_stack+0x1c4/0x2b4 [ 235.671926] ? dump_stack_print_info.cold.2+0x52/0x52 [ 235.678482] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 235.687784] warn_alloc.cold.119+0xb7/0x1bd [ 235.690373] syz-fuzzer cpuset= [ 235.692524] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 235.696120] / [ 235.701297] ? lock_downgrade+0x900/0x900 [ 235.711495] mems_allowed=0 [ 235.715808] ? trace_hardirqs_off+0xb8/0x310 [ 235.737182] ? trace_hardirqs_off+0xb8/0x310 [ 235.741599] __alloc_pages_slowpath+0x2667/0x2d80 [ 235.746453] ? warn_alloc+0x120/0x120 [ 235.750257] ? warn_alloc+0x120/0x120 [ 235.754055] ? warn_alloc+0x120/0x120 [ 235.757869] ? mark_held_locks+0x130/0x130 [ 235.762283] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.767820] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 235.773352] ? should_fail+0x22d/0xd01 [ 235.777237] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 235.782338] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 235.787870] ? should_fail+0x22d/0xd01 [ 235.791762] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 235.796881] ? should_fail+0x22d/0xd01 [ 235.800766] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 235.805862] ? mark_held_locks+0x130/0x130 [ 235.810095] ? mark_held_locks+0x130/0x130 [ 235.814320] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.819901] ? trace_hardirqs_off+0xb8/0x310 [ 235.824319] ? kasan_check_read+0x11/0x20 [ 235.828464] ? do_raw_spin_unlock+0xa7/0x2f0 [ 235.832867] ? trace_hardirqs_on+0x310/0x310 [ 235.837269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.842817] ? wq_watchdog_touch+0x9c/0xfe [ 235.847069] ? io_serial_in+0x11/0x90 [ 235.850889] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.856470] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 235.861584] __alloc_pages_nodemask+0xa80/0xde0 [ 235.866273] ? should_fail+0x22d/0xd01 [ 235.870162] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 235.875205] ? ____cache_alloc_node+0x1c7/0x1e0 [ 235.880273] ? lock_downgrade+0x900/0x900 [ 235.884453] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.889984] cache_grow_begin+0x91/0x8c0 [ 235.894061] ? do_raw_spin_unlock+0xa7/0x2f0 [ 235.898473] fallback_alloc+0x203/0x2e0 [ 235.902442] ____cache_alloc_node+0x1c7/0x1e0 [ 235.906935] kmem_cache_alloc_node+0xe3/0x730 [ 235.911437] ? ipv6_get_ifaddr+0x42e/0x620 [ 235.915675] __alloc_skb+0x119/0x770 [ 235.919389] ? skb_scrub_packet+0x490/0x490 [ 235.923759] ? lock_downgrade+0x900/0x900 [ 235.927942] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.933493] ? refcount_sub_and_test_checked+0x203/0x310 [ 235.938962] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 235.944401] ? addrconf_rs_timer+0x690/0x690 [ 235.948855] ndisc_alloc_skb+0x144/0x340 [ 235.952923] ndisc_send_rs+0x331/0x6e0 [ 235.956812] addrconf_rs_timer+0x314/0x690 [ 235.961058] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 235.965298] call_timer_fn+0x272/0x920 [ 235.969181] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 235.973422] ? process_timeout+0x40/0x40 [ 235.977474] ? trace_hardirqs_off+0xb8/0x310 [ 235.981880] ? kasan_check_read+0x11/0x20 [ 235.986078] ? do_raw_spin_unlock+0xa7/0x2f0 [ 235.990483] ? trace_hardirqs_on+0x310/0x310 [ 235.994903] ? __run_timers+0x7da/0xc70 [ 235.998873] ? lock_downgrade+0x900/0x900 [ 236.003018] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 236.008116] ? trace_hardirqs_on+0xbd/0x310 [ 236.012433] ? kasan_check_read+0x11/0x20 [ 236.016573] ? __run_timers+0x7da/0xc70 [ 236.020542] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 236.026002] ? kasan_check_write+0x14/0x20 [ 236.030248] ? do_raw_spin_lock+0xc1/0x200 [ 236.034494] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 236.038771] __run_timers+0x7e5/0xc70 [ 236.042590] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 236.047964] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 236.052985] ? timerqueue_add+0x207/0x2b0 [ 236.057128] ? enqueue_hrtimer+0x1a5/0x560 [ 236.061351] ? lock_release+0x970/0x970 [ 236.065322] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 236.070513] ? kasan_check_write+0x14/0x20 [ 236.074756] ? pvclock_read_flags+0x160/0x160 [ 236.079249] ? lock_downgrade+0x900/0x900 [ 236.083427] ? trace_hardirqs_on+0xbd/0x310 [ 236.087749] ? kvm_sched_clock_read+0x9/0x20 [ 236.092154] ? irq_exit+0x17f/0x1c0 [ 236.095792] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.101331] ? check_preemption_disabled+0x48/0x200 [ 236.106349] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.111884] run_timer_softirq+0x52/0xb0 [ 236.115966] ? __this_cpu_preempt_check+0x1c/0x1f [ 236.120810] __do_softirq+0x30b/0xad8 [ 236.124668] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 236.129770] ? pvclock_read_flags+0x160/0x160 [ 236.134297] ? lapic_next_event+0x5a/0x90 [ 236.138448] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.143984] ? clockevents_program_event+0x140/0x370 [ 236.149096] ? kvm_clock_read+0x18/0x30 [ 236.153079] ? kvm_sched_clock_read+0x9/0x20 [ 236.157487] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.163027] ? check_preemption_disabled+0x48/0x200 [ 236.168052] irq_exit+0x17f/0x1c0 [ 236.171536] smp_apic_timer_interrupt+0x1cb/0x760 [ 236.176386] ? smp_reschedule_interrupt+0x109/0x650 [ 236.181421] ? smp_call_function_single_interrupt+0x650/0x650 [ 236.187297] ? interrupt_entry+0xb5/0xf0 [ 236.191351] ? trace_hardirqs_off_caller+0xbb/0x310 [ 236.196367] ? trace_hardirqs_off_caller+0xbb/0x310 [ 236.201379] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 236.206252] ? trace_hardirqs_on_caller+0x310/0x310 [ 236.211261] ? trace_hardirqs_on_caller+0x310/0x310 [ 236.216269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.221910] ? check_preemption_disabled+0x48/0x200 [ 236.226930] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 236.231771] apic_timer_interrupt+0xf/0x20 [ 236.235990] [ 236.238220] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 236.244112] Code: 3f 7e 0f 85 32 ff ff ff e8 53 4a 3e ff e9 28 ff ff ff e8 ba ad c2 ff 48 83 3d 0a bf 6f 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 62 23 [ 236.263012] RSP: 0018:ffff88019a29f4a8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 236.270712] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000627e000 [ 236.277992] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 236.285254] RBP: ffff88019a29f520 R08: ffff8801ba14e480 R09: fffffbfff12720c0 [ 236.292549] R10: ffff88019a29e0f0 R11: ffffffff89390603 R12: ffff8801da800ac0 [ 236.299814] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286 [ 236.307086] ? trace_hardirqs_on+0xb4/0x310 [ 236.311403] ? save_stack+0xa9/0xd0 [ 236.315061] __kmalloc_node_track_caller+0x33/0x70 [ 236.319990] __kmalloc_reserve.isra.39+0xcc/0xe0 [ 236.324764] pskb_expand_head+0x230/0x10f0 [ 236.329002] ? lock_downgrade+0x900/0x900 [ 236.333166] ? check_preemption_disabled+0x48/0x200 [ 236.338211] ? memcpy+0x45/0x50 [ 236.341517] ? __copy_skb_header+0x350/0x6b0 [ 236.345920] ? __pskb_copy_fclone+0xeb0/0xeb0 [ 236.350452] ? skb_checksum+0x140/0x140 [ 236.354451] ? trace_hardirqs_on+0xbd/0x310 [ 236.358772] ? skb_clone+0x1bb/0x500 [ 236.362500] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 236.367947] ? kasan_unpoison_shadow+0x35/0x50 [ 236.372543] ? kasan_check_write+0x14/0x20 [ 236.376800] ? __skb_clone+0x6c7/0xa00 [ 236.380681] ? __copy_skb_header+0x6b0/0x6b0 [ 236.385084] ? kmem_cache_alloc+0x306/0x730 [ 236.389407] skb_ensure_writable+0x3dd/0x640 [ 236.393819] ? skb_cow_data+0xf10/0xf10 [ 236.397799] ? check_preemption_disabled+0x48/0x200 [ 236.402855] ? __this_cpu_preempt_check+0x1c/0x1f [ 236.407708] ? __bpf_redirect+0x54b/0xb20 [ 236.411880] ? __switch_to_asm+0x34/0x70 [ 236.415963] bpf_clone_redirect+0x14a/0x490 [ 236.420285] bpf_prog_3d1649e183dc2cc1+0xca3/0x1000 [ 236.425293] ? __sched_text_start+0x8/0x8 [ 236.429501] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 236.434254] ? retint_kernel+0x2d/0x2d [ 236.438170] ? trace_hardirqs_on_caller+0xc0/0x310 [ 236.443106] ? retint_kernel+0x2d/0x2d [ 236.447036] ? trace_hardirqs_on_caller+0xc0/0x310 [ 236.451979] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 236.456744] ? trace_hardirqs_off+0x310/0x310 [ 236.461239] ? retint_kernel+0x1b/0x2d [ 236.465123] ? lock_acquire+0x1ed/0x520 [ 236.469099] ? bpf_test_run+0x3cb/0x780 [ 236.473069] ? lock_downgrade+0x900/0x900 [ 236.477212] ? lock_release+0x970/0x970 [ 236.481189] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 236.486992] ? preempt_schedule_common+0x1f/0xd0 [ 236.491757] ? preempt_schedule+0x4d/0x60 [ 236.495902] ? ___preempt_schedule+0x16/0x18 [ 236.500425] ? bpf_test_run+0x25d/0x780 [ 236.504407] ? netlink_diag_dump+0x2a0/0x2a0 [ 236.508810] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 236.514360] ? bpf_test_init.isra.9+0x70/0x100 [ 236.518939] ? bpf_prog_test_run_skb+0x634/0xb40 [ 236.523751] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 236.528590] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 236.534131] ? fput+0x130/0x1a0 [ 236.537404] ? __bpf_prog_get+0x9b/0x290 [ 236.541482] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 236.546321] ? bpf_prog_test_run+0x130/0x1a0 [ 236.550736] ? __x64_sys_bpf+0x3d8/0x510 [ 236.554790] ? bpf_prog_get+0x20/0x20 [ 236.558644] ? __x64_sys_futex+0x4bc/0x6a0 [ 236.562891] ? do_syscall_64+0x1b9/0x820 [ 236.566948] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 236.572305] ? syscall_return_slowpath+0x5e0/0x5e0 [ 236.577228] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 236.582069] ? trace_hardirqs_on_caller+0x310/0x310 [ 236.587117] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 236.592145] ? prepare_exit_to_usermode+0x291/0x3b0 [ 236.597175] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 236.602034] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 236.607402] warn_alloc_show_mem: 1 callbacks suppressed [ 236.607413] CPU: 1 PID: 5806 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #119 [ 236.607414] Mem-Info: [ 236.607442] active_anon:46475 inactive_anon:4207 isolated_anon:0 [ 236.607442] active_file:17 inactive_file:13 isolated_file:0 [ 236.607442] unevictable:0 dirty:0 writeback:0 unstable:0 [ 236.607442] slab_reclaimable:8782 slab_unreclaimable:1485678 [ 236.607442] mapped:8194 shmem:4214 pagetables:396 bounce:0 [ 236.607442] free:13756 free_pcp:276 free_cma:0 [ 236.612818] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 236.619834] Node 0 active_anon:185900kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32776kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 236.622239] Call Trace: [ 236.655182] Node 0 [ 236.664524] [ 236.692285] 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 [ 236.694840] dump_stack+0x1c4/0x2b4 [ 236.697053] lowmem_reserve[]: [ 236.699213] ? dump_stack_print_info.cold.2+0x52/0x52 [ 236.724688] 0 [ 236.728316] warn_alloc.cold.119+0xb7/0x1bd [ 236.731430] 2819 [ 236.736619] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 236.738406] 6323 [ 236.742728] ? lock_downgrade+0x900/0x900 [ 236.744815] 6323 [ 236.749676] ? trace_hardirqs_off+0xb8/0x310 [ 236.755871] ? trace_hardirqs_off+0xb8/0x310 [ 236.757916] Node 0 [ 236.762313] __alloc_pages_slowpath+0x2667/0x2d80 [ 236.766762] DMA32 free:25168kB min:30060kB low:37572kB high:45084kB active_anon:10240kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 236.769007] ? warn_alloc+0x120/0x120 [ 236.773862] lowmem_reserve[]: 0 [ 236.801129] ? trace_hardirqs_on+0x310/0x310 [ 236.804914] 0 [ 236.808298] ? warn_alloc+0x120/0x120 [ 236.812696] 3503 [ 236.814496] ? warn_alloc+0x120/0x120 [ 236.818293] 3503 [ 236.820352] ? ktime_get+0x2e1/0x440 [ 236.826215] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.829919] Node 0 [ 236.835470] ? check_preemption_disabled+0x48/0x200 [ 236.835498] Normal free:13948kB min:37352kB low:46688kB high:56024kB active_anon:175660kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5056kB pagetables:1584kB bounce:0kB free_pcp:856kB local_pcp:320kB free_cma:0kB [ 236.835505] lowmem_reserve[]: [ 236.837737] ? kasan_check_read+0x11/0x20 [ 236.842747] 0 [ 236.871240] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 236.874317] 0 [ 236.878460] ? should_fail+0x22d/0xd01 [ 236.880259] 0 [ 236.885836] ? rcu_bh_qs+0xc0/0xc0 [ 236.887617] 0 [ 236.891503] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 236.896808] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 236.898586] Node 0 [ 236.903681] ? should_fail+0x22d/0xd01 [ 236.909196] DMA: [ 236.911475] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 236.915364] 1*4kB [ 236.917418] ? should_fail+0x22d/0xd01 [ 236.922514] (U) [ 236.924659] ? rcu_idle_enter+0x4b0/0x4b0 [ 236.928521] 0*8kB [ 236.930502] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 236.934628] 0*16kB [ 236.936773] ? mark_held_locks+0x130/0x130 [ 236.941879] 1*32kB [ 236.944128] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.948820] (U) [ 236.951065] ? mark_held_locks+0x130/0x130 [ 236.956592] 2*64kB [ 236.958579] ? rcu_irq_exit+0xce/0x100 [ 236.962789] (U) [ 236.965024] ? irq_exit+0xbd/0x1c0 [ 236.968918] 1*128kB [ 236.970890] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 236.974411] (U) [ 236.976737] ? do_raw_spin_unlock+0xa7/0x2f0 [ 236.981739] 1*256kB [ 236.983706] ? smp_call_function_single_interrupt+0x650/0x650 [ 236.988108] (U) [ 236.990423] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.996279] 0*512kB [ 236.998248] ? ret_from_intr+0xb/0x1e [ 237.003775] 1*1024kB [ 237.006094] ? retint_kernel+0x2d/0x2d [ 237.009892] (U) [ 237.012300] ? trace_hardirqs_on_caller+0xc0/0x310 [ 237.016184] 1*2048kB [ 237.018153] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 237.023056] (M) [ 237.025478] ? trace_hardirqs_off+0x310/0x310 [ 237.030211] 3*4096kB [ 237.032181] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 237.036649] (M) [ 237.039060] __alloc_pages_nodemask+0xa80/0xde0 [ 237.044136] = 15908kB [ 237.046109] ? should_fail+0x22d/0xd01 [ 237.050766] Node 0 [ 237.053193] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 237.057056] DMA32: [ 237.059313] ? ____cache_alloc_node+0x1c7/0x1e0 [ 237.064292] 2*4kB [ 237.066576] ? lock_downgrade+0x900/0x900 [ 237.071264] (M) [ 237.073425] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.077667] 1*8kB [ 237.079647] cache_grow_begin+0x91/0x8c0 [ 237.085179] (M) [ 237.087372] ? do_raw_spin_unlock+0xa7/0x2f0 [ 237.091409] 2*16kB [ 237.093379] fallback_alloc+0x203/0x2e0 [ 237.097759] (M) [ 237.099995] ____cache_alloc_node+0x1c7/0x1e0 [ 237.103944] 3*32kB [ 237.105955] kmem_cache_alloc_node+0xe3/0x730 [ 237.110421] (MH) [ 237.112665] ? ipv6_get_ifaddr+0x42e/0x620 [ 237.117136] 5*64kB [ 237.119193] __alloc_skb+0x119/0x770 [ 237.123418] (MH) [ 237.125659] ? skb_scrub_packet+0x490/0x490 [ 237.129366] 3*128kB [ 237.131435] ? lock_downgrade+0x900/0x900 [ 237.135740] (M) [ 237.138062] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.142186] 5*256kB [ 237.144152] ? refcount_sub_and_test_checked+0x203/0x310 [ 237.149666] (UMH) [ 237.151984] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 237.157415] 5*512kB [ 237.159560] ? addrconf_rs_timer+0x690/0x690 [ 237.164987] (UMH) [ 237.167341] ndisc_alloc_skb+0x144/0x340 [ 237.171739] 4*1024kB [ 237.173880] ndisc_send_rs+0x331/0x6e0 [ 237.177914] (UMH) [ 237.180314] addrconf_rs_timer+0x314/0x690 [ 237.184190] 2*2048kB [ 237.186332] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 237.190632] (M) [ 237.193037] call_timer_fn+0x272/0x920 [ 237.197236] 3*4096kB (M) [ 237.199215] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 237.203075] = 25168kB [ 237.205842] ? process_timeout+0x40/0x40 [ 237.210064] Node 0 [ 237.212467] ? trace_hardirqs_off+0xb8/0x310 [ 237.216505] Normal: [ 237.218735] ? kasan_check_read+0x11/0x20 [ 237.223123] 1081*4kB [ 237.225517] ? do_raw_spin_unlock+0xa7/0x2f0 [ 237.229650] (UMEH) [ 237.232055] ? trace_hardirqs_on+0x310/0x310 [ 237.236434] 387*8kB [ 237.238658] ? __run_timers+0x7da/0xc70 [ 237.243055] (ME) [ 237.245384] ? lock_downgrade+0x900/0x900 [ 237.249335] 152*16kB [ 237.251421] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 237.255541] (UME) [ 237.257965] ? trace_hardirqs_on+0xbd/0x310 [ 237.263056] 54*32kB [ 237.265208] ? kasan_check_read+0x11/0x20 [ 237.269509] (UME) [ 237.271836] ? __run_timers+0x7da/0xc70 [ 237.275955] 21*64kB [ 237.278101] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 237.282049] (UM) [ 237.284378] ? kasan_check_write+0x14/0x20 [ 237.289821] 0*128kB [ 237.291879] ? do_raw_spin_lock+0xc1/0x200 [ 237.296083] 0*256kB [ 237.298399] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 237.302612] 2*512kB [ 237.304939] __run_timers+0x7e5/0xc70 [ 237.309148] (U) [ 237.311466] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 237.315241] 0*1024kB [ 237.317214] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 237.322587] 0*2048kB [ 237.324991] ? timerqueue_add+0x207/0x2b0 [ 237.330012] 0*4096kB [ 237.332410] ? enqueue_hrtimer+0x1a5/0x560 [ 237.336530] = 13948kB [ 237.338931] ? lock_release+0x970/0x970 [ 237.343146] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 237.345553] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 237.349513] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 237.358363] ? check_preemption_disabled+0x48/0x200 [ 237.363534] 4244 total pagecache pages [ 237.372132] ? kasan_check_write+0x14/0x20 [ 237.377151] 0 pages in swap cache [ 237.381041] ? pvclock_read_flags+0x160/0x160 [ 237.385251] Swap cache stats: add 0, delete 0, find 0/0 [ 237.388687] ? lock_downgrade+0x900/0x900 [ 237.393155] Free swap = 0kB [ 237.398542] ? trace_hardirqs_on+0xbd/0x310 [ 237.402665] Total swap = 0kB [ 237.405675] ? kvm_sched_clock_read+0x9/0x20 [ 237.409983] 1965979 pages RAM [ 237.413011] ? irq_exit+0x17f/0x1c0 [ 237.417391] 0 pages HighMem/MovableOnly [ 237.420487] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.424089] 342307 pages reserved [ 237.428058] ? check_preemption_disabled+0x48/0x200 [ 237.433570] 0 pages cma reserved [ 237.437015] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.442054] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 237.445363] run_timer_softirq+0x52/0xb0 [ 237.450974] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 237.457374] ? __this_cpu_preempt_check+0x1c/0x1f [ 237.461427] syz-executor2 cpuset= [ 237.471918] __do_softirq+0x30b/0xad8 [ 237.476748] syz2 [ 237.480193] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 237.483974] mems_allowed=0 [ 237.485942] ? pvclock_read_flags+0x160/0x160 [ 237.498447] ? lapic_next_event+0x5a/0x90 [ 237.502593] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.508128] ? clockevents_program_event+0x140/0x370 [ 237.513250] ? kvm_clock_read+0x18/0x30 [ 237.517249] ? kvm_sched_clock_read+0x9/0x20 [ 237.521680] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.527213] ? check_preemption_disabled+0x48/0x200 [ 237.532272] irq_exit+0x17f/0x1c0 [ 237.535762] smp_apic_timer_interrupt+0x1cb/0x760 [ 237.540604] ? smp_reschedule_interrupt+0x109/0x650 [ 237.545625] ? smp_call_function_single_interrupt+0x650/0x650 [ 237.551512] ? interrupt_entry+0xb5/0xf0 [ 237.555572] ? trace_hardirqs_off_caller+0xbb/0x310 [ 237.560584] ? trace_hardirqs_off_caller+0xbb/0x310 [ 237.565627] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 237.570488] ? trace_hardirqs_on_caller+0x310/0x310 [ 237.575516] ? trace_hardirqs_on_caller+0x310/0x310 [ 237.580546] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 237.586076] ? check_preemption_disabled+0x48/0x200 [ 237.591088] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 237.596631] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 237.601478] apic_timer_interrupt+0xf/0x20 [ 237.605702] [ 237.607950] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 237.613140] Code: 00 e8 97 f5 a3 f9 e8 d2 63 d3 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d 24 75 80 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d fa 74 [ 237.632035] RSP: 0000:ffff8801bbdd6150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 237.639757] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 237.647034] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe740 [ 237.654299] RBP: ffff8801bbdd6178 R08: ffff8801d838c080 R09: ffffed003b5e5979 [ 237.661560] R10: ffffed003b5e5979 R11: ffff8801daf2cbcb R12: dffffc0000000000 [ 237.668824] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 237.676109] ? trace_hardirqs_on+0x9a/0x310 [ 237.680444] ? trace_hardirqs_on+0xb4/0x310 [ 237.684785] retint_kernel+0x1b/0x2d [ 237.688502] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 237.693786] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 21 17 fa 48 83 3d 99 9c 86 01 00 75 07 e8 9a 7f d3 f9 0f 0b e8 93 7f d3 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 21 17 fa 4c 8b 45 d0 e9 [ 237.712715] RSP: 0000:ffff8801bbdd6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 237.720432] RAX: ffff8801d838c080 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 237.727715] RDX: 0000000000000000 RSI: ffffffff87ab55fd RDI: 0000000000000293 [ 237.734993] RBP: ffff8801bbdd6240 R08: ffff8801d838c080 R09: fffffbfff13d9700 [ 237.742377] R10: fffffbfff13d9700 R11: 0000000000000003 R12: 0000000000000293 [ 237.749662] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff8931f280 [ 237.756982] ? trace_hardirqs_on+0x9a/0x310 [ 237.761321] ? arch_local_irq_restore+0x45/0x52 [ 237.765988] dump_stack+0x26a/0x2b4 [ 237.769630] ? dump_stack_print_info.cold.2+0x52/0x52 [ 237.774821] ? mark_held_locks+0x130/0x130 [ 237.779058] ? mark_held_locks+0x130/0x130 [ 237.783295] dump_header+0x27b/0xf72 [ 237.787013] ? rcu_read_unlock+0x16/0x60 [ 237.791075] ? pagefault_out_of_memory+0x197/0x197 [ 237.796001] ? mark_held_locks+0x130/0x130 [ 237.800232] ? percpu_ref_put_many+0x13e/0x260 [ 237.804820] ? mem_cgroup_charge_statistics+0x780/0x780 [ 237.810184] ? mem_cgroup_iter+0x1f7/0x1160 [ 237.814515] ? mark_held_locks+0x130/0x130 [ 237.818753] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.824301] ? task_will_free_mem+0x239/0xb30 [ 237.828802] ? ___ratelimit+0x36f/0x655 [ 237.832891] ? lock_downgrade+0x900/0x900 [ 237.837086] ? trace_hardirqs_on+0xbd/0x310 [ 237.841410] ? kasan_check_read+0x11/0x20 [ 237.845555] ? ___ratelimit+0x36f/0x655 [ 237.849543] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 237.855006] ? trace_hardirqs_on+0x310/0x310 [ 237.859456] ? lock_downgrade+0x900/0x900 [ 237.863602] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 237.868703] ? ___ratelimit+0xaa/0x655 [ 237.872608] ? idr_get_free+0xec0/0xec0 [ 237.876577] ? kasan_check_write+0x14/0x20 [ 237.880806] ? do_raw_spin_lock+0xc1/0x200 [ 237.885039] oom_kill_process.cold.27+0x10/0x903 [ 237.889797] ? lock_downgrade+0x900/0x900 [ 237.893953] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 237.899795] ? oom_evaluate_task+0x540/0x540 [ 237.904221] ? shrink_node+0x16b0/0x16b0 [ 237.908286] ? oom_unkillable_task+0x383/0x580 [ 237.912862] ? out_of_memory+0x974/0x1430 [ 237.917023] ? lock_downgrade+0x900/0x900 [ 237.921195] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 237.927011] ? __cpuset_node_allowed+0x19b/0x660 [ 237.931795] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 237.937332] ? oom_evaluate_task+0x302/0x540 [ 237.941743] out_of_memory+0xa84/0x1430 [ 237.945732] ? oom_killer_disable+0x3a0/0x3a0 [ 237.950225] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 237.955154] ? __mutex_add_waiter+0x2a0/0x2a0 [ 237.959655] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 237.964666] ? find_next_bit+0x104/0x130 [ 237.968750] __alloc_pages_slowpath+0x2318/0x2d80 [ 237.973623] ? warn_alloc+0x120/0x120 [ 237.977422] ? __radix_tree_lookup+0x4c0/0x4c0 [ 237.982024] ? find_get_entry+0x2f2/0xc40 [ 237.986174] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 237.991105] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 237.996661] ? should_fail+0x22d/0xd01 [ 238.000570] ? ___might_sleep+0x1ed/0x300 [ 238.004712] ? lock_release+0x970/0x970 [ 238.008694] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 238.013798] ? debug_smp_processor_id+0x1c/0x20 [ 238.018470] ? __might_sleep+0x95/0x190 [ 238.022443] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 238.027301] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 238.032318] ? lock_downgrade+0x900/0x900 [ 238.036465] ? ___might_sleep+0x1ed/0x300 [ 238.040611] ? lock_release+0x970/0x970 [ 238.044588] ? arch_local_save_flags+0x40/0x40 [ 238.049201] ? finish_task_switch+0x1f5/0x900 [ 238.053702] ? __might_sleep+0x95/0x190 [ 238.057680] __alloc_pages_nodemask+0xa80/0xde0 [ 238.062387] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 238.067404] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 238.073197] ? kasan_check_write+0x14/0x20 [ 238.077425] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 238.082115] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.087674] ? __do_page_cache_readahead+0x7ce/0x980 [ 238.092780] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 238.098338] alloc_pages_current+0x10c/0x210 [ 238.102743] ? lock_downgrade+0x900/0x900 [ 238.106895] __page_cache_alloc+0x38f/0x5b0 [ 238.111248] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 238.117063] ? ext4_filemap_fault+0x82/0xad [ 238.121382] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 238.126062] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 238.131613] ? check_preemption_disabled+0x48/0x200 [ 238.136628] filemap_fault+0x1594/0x25f0 [ 238.140687] ? __lock_page_or_retry+0xa00/0xa00 [ 238.145359] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 238.151187] ? unwind_dump+0x190/0x190 [ 238.155098] ? is_bpf_text_address+0xd3/0x170 [ 238.159629] ? filemap_map_pages+0xdea/0x1980 [ 238.164135] ? find_get_pages_range_tag+0x1320/0x1320 [ 238.169328] ? save_stack+0xa9/0xd0 [ 238.172952] ? save_stack+0x43/0xd0 [ 238.176577] ? __kasan_slab_free+0x102/0x150 [ 238.181017] ? __sigqueue_free.part.27+0x7d/0xa0 [ 238.185869] ? __dequeue_signal+0x530/0x7d0 [ 238.190183] ? dequeue_signal+0x26c/0x630 [ 238.194371] ? get_signal+0x3ec/0x1980 [ 238.198267] ? do_signal+0x9c/0x21e0 [ 238.202005] ? exit_to_usermode_loop+0x2e5/0x380 [ 238.206876] ? mark_held_locks+0x130/0x130 [ 238.211114] ? trace_hardirqs_on+0x310/0x310 [ 238.215541] ? lock_acquire+0x1ed/0x520 [ 238.219537] ? ext4_filemap_fault+0x7a/0xad [ 238.223899] ? lock_release+0x970/0x970 [ 238.227876] ? arch_local_save_flags+0x40/0x40 [ 238.232453] ? mark_held_locks+0x130/0x130 [ 238.236693] ? trace_hardirqs_off+0xb8/0x310 [ 238.241107] ? down_read+0xb0/0x1d0 [ 238.244741] ? ext4_filemap_fault+0x7a/0xad [ 238.249060] ? __down_interruptible+0x700/0x700 [ 238.253734] ? kmem_cache_free+0x21a/0x290 [ 238.257995] ? __sigqueue_free.part.27+0x7d/0xa0 [ 238.262767] ? __dequeue_signal+0xf9/0x7d0 [ 238.267088] ext4_filemap_fault+0x82/0xad [ 238.271260] __do_fault+0x100/0x6b0 [ 238.274893] ? print_bad_pte+0x6c0/0x6c0 [ 238.278957] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 238.284503] ? pmd_val+0x88/0x100 [ 238.288040] ? add_mm_counter_fast+0xd0/0xd0 [ 238.292456] ? pmd_val+0x88/0x100 [ 238.295904] ? add_mm_counter_fast+0xd0/0xd0 [ 238.300310] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 238.305864] __handle_mm_fault+0x3709/0x53e0 [ 238.310289] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 238.315147] ? kasan_check_write+0x14/0x20 [ 238.319377] ? do_raw_spin_lock+0xc1/0x200 [ 238.323608] ? _raw_spin_unlock_irq+0x60/0x80 [ 238.328106] ? __set_current_blocked+0xe4/0x120 [ 238.332782] ? lock_acquire+0x1ed/0x520 [ 238.336764] ? handle_mm_fault+0x42a/0xc70 [ 238.341033] ? lock_downgrade+0x900/0x900 [ 238.345261] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 238.351110] ? __do_page_fault+0x67d/0xed0 [ 238.355341] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 238.360788] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 238.366331] ? check_preemption_disabled+0x48/0x200 [ 238.371346] handle_mm_fault+0x54f/0xc70 [ 238.375408] ? __handle_mm_fault+0x53e0/0x53e0 [ 238.380015] ? find_vma+0x34/0x190 [ 238.383584] __do_page_fault+0x67d/0xed0 [ 238.387661] ? mm_fault_error+0x380/0x380 [ 238.391836] ? syscall_slow_exit_work+0x520/0x520 [ 238.396678] do_page_fault+0xf2/0x7e0 [ 238.400481] ? vmalloc_sync_all+0x30/0x30 [ 238.404625] ? error_entry+0x70/0xd0 [ 238.408353] ? trace_hardirqs_off_caller+0xbb/0x310 [ 238.413381] ? trace_hardirqs_on_caller+0xc0/0x310 [ 238.418305] ? syscall_return_slowpath+0x5e0/0x5e0 [ 238.423232] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 238.428087] ? trace_hardirqs_on_caller+0x310/0x310 [ 238.433094] ? trace_hardirqs_off+0x310/0x310 [ 238.437590] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 238.442604] ? prepare_exit_to_usermode+0x291/0x3b0 [ 238.447616] ? page_fault+0x8/0x30 [ 238.451167] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 238.456070] ? page_fault+0x8/0x30 [ 238.459695] page_fault+0x1e/0x30 [ 238.463198] RIP: 0033:0x45db60 [ 238.466399] Code: Bad RIP value. [ 238.469914] RSP: 002b:000000c420049ab8 EFLAGS: 00010286 [ 238.475267] RAX: 0000000000000000 RBX: 000000c420026380 RCX: 000000000045ddf3 [ 238.482543] RDX: 000000c420049ac0 RSI: 000000c420049bf0 RDI: 0000000000000011 [ 238.489801] RBP: 000000c420022f08 R08: 0000000000000000 R09: 0000000000000000 [ 238.497075] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42005c168 [ 238.504388] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000 [ 238.511665] CPU: 0 PID: 7800 Comm: syz-executor2 Not tainted 4.19.0-rc6+ #119 [ 238.511733] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 238.518942] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 238.518946] Call Trace: [ 238.518952] [ 238.518966] dump_stack+0x1c4/0x2b4 [ 238.518981] ? dump_stack_print_info.cold.2+0x52/0x52 [ 238.525493] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 238.534802] warn_alloc.cold.119+0xb7/0x1bd [ 238.537358] syz-fuzzer cpuset= [ 238.539497] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 238.543092] / [ 238.548291] ? lock_downgrade+0x900/0x900 [ 238.558635] mems_allowed=0 [ 238.562971] ? trace_hardirqs_off+0xb8/0x310 [ 238.584193] ? trace_hardirqs_off+0xb8/0x310 [ 238.588604] __alloc_pages_slowpath+0x2667/0x2d80 [ 238.593476] ? warn_alloc+0x120/0x120 [ 238.597279] ? trace_hardirqs_on+0x310/0x310 [ 238.601691] ? warn_alloc+0x120/0x120 [ 238.605490] ? warn_alloc+0x120/0x120 [ 238.609307] ? ktime_get+0x2e1/0x440 [ 238.613013] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.618638] ? check_preemption_disabled+0x48/0x200 [ 238.623652] ? kasan_check_read+0x11/0x20 [ 238.627821] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 238.633391] ? should_fail+0x22d/0xd01 [ 238.637291] ? rcu_bh_qs+0xc0/0xc0 [ 238.640847] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 238.645941] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 238.651561] ? should_fail+0x22d/0xd01 [ 238.655470] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 238.660571] ? should_fail+0x22d/0xd01 [ 238.664465] ? rcu_idle_enter+0x4b0/0x4b0 [ 238.668621] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 238.673758] ? mark_held_locks+0x130/0x130 [ 238.678004] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.683549] ? mark_held_locks+0x130/0x130 [ 238.687787] ? rcu_irq_exit+0xce/0x100 [ 238.691680] ? irq_exit+0xbd/0x1c0 [ 238.695235] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 238.700257] ? do_raw_spin_unlock+0xa7/0x2f0 [ 238.704672] ? smp_call_function_single_interrupt+0x650/0x650 [ 238.710554] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.716111] ? ret_from_intr+0xb/0x1e [ 238.719915] ? retint_kernel+0x2d/0x2d [ 238.723887] ? trace_hardirqs_on_caller+0xc0/0x310 [ 238.728812] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 238.733565] ? trace_hardirqs_off+0x310/0x310 [ 238.738093] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 238.743202] __alloc_pages_nodemask+0xa80/0xde0 [ 238.747862] ? should_fail+0x22d/0xd01 [ 238.751773] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 238.756803] ? ____cache_alloc_node+0x1c7/0x1e0 [ 238.761489] ? lock_downgrade+0x900/0x900 [ 238.765649] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.771218] cache_grow_begin+0x91/0x8c0 [ 238.775274] ? do_raw_spin_unlock+0xa7/0x2f0 [ 238.779773] fallback_alloc+0x203/0x2e0 [ 238.783761] ____cache_alloc_node+0x1c7/0x1e0 [ 238.788257] kmem_cache_alloc_node+0xe3/0x730 [ 238.792758] ? ipv6_get_ifaddr+0x42e/0x620 [ 238.797008] __alloc_skb+0x119/0x770 [ 238.800722] ? skb_scrub_packet+0x490/0x490 [ 238.805061] ? lock_downgrade+0x900/0x900 [ 238.809207] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.814752] ? refcount_sub_and_test_checked+0x203/0x310 [ 238.820230] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 238.825684] ? addrconf_rs_timer+0x690/0x690 [ 238.830088] ndisc_alloc_skb+0x144/0x340 [ 238.834157] ndisc_send_rs+0x331/0x6e0 [ 238.838053] addrconf_rs_timer+0x314/0x690 [ 238.842302] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 238.846545] call_timer_fn+0x272/0x920 [ 238.850438] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 238.854670] ? process_timeout+0x40/0x40 [ 238.858739] ? trace_hardirqs_off+0xb8/0x310 [ 238.863156] ? kasan_check_read+0x11/0x20 [ 238.867311] ? do_raw_spin_unlock+0xa7/0x2f0 [ 238.871731] ? trace_hardirqs_on+0x310/0x310 [ 238.876153] ? __run_timers+0x7da/0xc70 [ 238.880124] ? lock_downgrade+0x900/0x900 [ 238.884284] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 238.889409] ? trace_hardirqs_on+0xbd/0x310 [ 238.893755] ? kasan_check_read+0x11/0x20 [ 238.897917] ? __run_timers+0x7da/0xc70 [ 238.901886] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 238.907351] ? kasan_check_write+0x14/0x20 [ 238.911588] ? do_raw_spin_lock+0xc1/0x200 [ 238.915845] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 238.920105] __run_timers+0x7e5/0xc70 [ 238.923965] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 238.929329] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 238.934340] ? timerqueue_add+0x207/0x2b0 [ 238.938496] ? enqueue_hrtimer+0x1a5/0x560 [ 238.942722] ? lock_release+0x970/0x970 [ 238.947198] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 238.952397] ? kasan_check_write+0x14/0x20 [ 238.956675] ? pvclock_read_flags+0x160/0x160 [ 238.961184] ? lock_downgrade+0x900/0x900 [ 238.965376] ? trace_hardirqs_on+0xbd/0x310 [ 238.969692] ? kvm_sched_clock_read+0x9/0x20 [ 238.974095] ? irq_exit+0x17f/0x1c0 [ 238.977760] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.983295] ? check_preemption_disabled+0x48/0x200 [ 238.988313] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.993853] run_timer_softirq+0x52/0xb0 [ 238.997910] ? __this_cpu_preempt_check+0x1c/0x1f [ 239.002754] __do_softirq+0x30b/0xad8 [ 239.006556] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 239.011656] ? pvclock_read_flags+0x160/0x160 [ 239.016144] ? lapic_next_event+0x5a/0x90 [ 239.020283] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.025849] ? clockevents_program_event+0x140/0x370 [ 239.030949] ? kvm_clock_read+0x18/0x30 [ 239.034921] ? kvm_sched_clock_read+0x9/0x20 [ 239.039357] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.044938] ? check_preemption_disabled+0x48/0x200 [ 239.049959] irq_exit+0x17f/0x1c0 [ 239.053414] smp_apic_timer_interrupt+0x1cb/0x760 [ 239.058295] ? smp_reschedule_interrupt+0x109/0x650 [ 239.063331] ? smp_call_function_single_interrupt+0x650/0x650 [ 239.069260] ? interrupt_entry+0xb5/0xf0 [ 239.073330] ? trace_hardirqs_off_caller+0xbb/0x310 [ 239.078526] ? trace_hardirqs_off_caller+0xbb/0x310 [ 239.083538] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 239.088382] ? trace_hardirqs_on_caller+0x310/0x310 [ 239.093395] ? trace_hardirqs_on_caller+0x310/0x310 [ 239.098407] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.103970] ? check_preemption_disabled+0x48/0x200 [ 239.109005] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 239.113859] apic_timer_interrupt+0xf/0x20 [ 239.118084] [ 239.120327] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 239.126208] Code: 3f 7e 0f 85 32 ff ff ff e8 53 4a 3e ff e9 28 ff ff ff e8 ba ad c2 ff 48 83 3d 0a bf 6f 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 62 23 [ 239.145130] RSP: 0018:ffff88019a29f4a8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 239.152856] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000627e000 [ 239.160123] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 239.167389] RBP: ffff88019a29f520 R08: ffff8801ba14e480 R09: fffffbfff12720c0 [ 239.174652] R10: ffff88019a29e0f0 R11: ffffffff89390603 R12: ffff8801da800ac0 [ 239.181928] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286 [ 239.189247] ? trace_hardirqs_on+0xb4/0x310 [ 239.193565] ? save_stack+0xa9/0xd0 [ 239.197190] __kmalloc_node_track_caller+0x33/0x70 [ 239.202115] __kmalloc_reserve.isra.39+0xcc/0xe0 [ 239.206879] pskb_expand_head+0x230/0x10f0 [ 239.211175] ? lock_downgrade+0x900/0x900 [ 239.215332] ? check_preemption_disabled+0x48/0x200 [ 239.220340] ? memcpy+0x45/0x50 [ 239.223642] ? __copy_skb_header+0x350/0x6b0 [ 239.228061] ? __pskb_copy_fclone+0xeb0/0xeb0 [ 239.232548] ? skb_checksum+0x140/0x140 [ 239.236619] ? trace_hardirqs_on+0xbd/0x310 [ 239.240957] ? skb_clone+0x1bb/0x500 [ 239.244667] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 239.250112] ? kasan_unpoison_shadow+0x35/0x50 [ 239.254741] ? kasan_check_write+0x14/0x20 [ 239.258979] ? __skb_clone+0x6c7/0xa00 [ 239.262925] ? __copy_skb_header+0x6b0/0x6b0 [ 239.267325] ? kmem_cache_alloc+0x306/0x730 [ 239.271647] skb_ensure_writable+0x3dd/0x640 [ 239.276083] ? skb_cow_data+0xf10/0xf10 [ 239.280095] ? check_preemption_disabled+0x48/0x200 [ 239.285138] ? __this_cpu_preempt_check+0x1c/0x1f [ 239.289980] ? __bpf_redirect+0x54b/0xb20 [ 239.294126] ? __switch_to_asm+0x34/0x70 [ 239.298184] bpf_clone_redirect+0x14a/0x490 [ 239.302517] bpf_prog_3d1649e183dc2cc1+0xca3/0x1000 [ 239.307538] ? __sched_text_start+0x8/0x8 [ 239.311681] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 239.316442] ? retint_kernel+0x2d/0x2d [ 239.320322] ? trace_hardirqs_on_caller+0xc0/0x310 [ 239.325276] ? retint_kernel+0x2d/0x2d [ 239.329162] ? trace_hardirqs_on_caller+0xc0/0x310 [ 239.334121] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 239.338874] ? trace_hardirqs_off+0x310/0x310 [ 239.343372] ? retint_kernel+0x1b/0x2d [ 239.347269] ? lock_acquire+0x1ed/0x520 [ 239.351245] ? bpf_test_run+0x3cb/0x780 [ 239.355226] ? lock_downgrade+0x900/0x900 [ 239.359377] ? lock_release+0x970/0x970 [ 239.363349] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 239.369152] ? preempt_schedule_common+0x1f/0xd0 [ 239.373926] ? preempt_schedule+0x4d/0x60 [ 239.378066] ? ___preempt_schedule+0x16/0x18 [ 239.382500] ? bpf_test_run+0x25d/0x780 [ 239.386471] ? netlink_diag_dump+0x2a0/0x2a0 [ 239.390880] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 239.396418] ? bpf_test_init.isra.9+0x70/0x100 [ 239.401019] ? bpf_prog_test_run_skb+0x634/0xb40 [ 239.405786] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 239.410623] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 239.416169] ? fput+0x130/0x1a0 [ 239.419448] ? __bpf_prog_get+0x9b/0x290 [ 239.423537] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 239.428377] ? bpf_prog_test_run+0x130/0x1a0 [ 239.432791] ? __x64_sys_bpf+0x3d8/0x510 [ 239.436858] ? bpf_prog_get+0x20/0x20 [ 239.440663] ? __x64_sys_futex+0x4bc/0x6a0 [ 239.444903] ? do_syscall_64+0x1b9/0x820 [ 239.448958] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 239.454326] ? syscall_return_slowpath+0x5e0/0x5e0 [ 239.459255] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 239.464101] ? trace_hardirqs_on_caller+0x310/0x310 [ 239.469110] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 239.474124] ? prepare_exit_to_usermode+0x291/0x3b0 [ 239.479214] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 239.484083] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 239.489486] warn_alloc_show_mem: 1 callbacks suppressed [ 239.489516] CPU: 1 PID: 5806 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #119 [ 239.489517] Mem-Info: [ 239.489559] active_anon:46475 inactive_anon:4207 isolated_anon:0 [ 239.489559] active_file:17 inactive_file:13 isolated_file:0 [ 239.489559] unevictable:0 dirty:0 writeback:0 unstable:0 [ 239.489559] slab_reclaimable:8782 slab_unreclaimable:1485678 [ 239.489559] mapped:8194 shmem:4214 pagetables:396 bounce:0 [ 239.489559] free:13756 free_pcp:276 free_cma:0 [ 239.494907] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 239.501924] Node 0 active_anon:185900kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32776kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 239.504322] Call Trace: [ 239.537268] Node 0 [ 239.546615] [ 239.574423] 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 [ 239.576994] dump_stack+0x1c4/0x2b4 [ 239.579201] lowmem_reserve[]: [ 239.581363] ? dump_stack_print_info.cold.2+0x52/0x52 [ 239.606838] 0 [ 239.610471] warn_alloc.cold.119+0xb7/0x1bd [ 239.613545] 2819 [ 239.618722] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 239.620510] 6323 [ 239.624858] ? lock_downgrade+0x900/0x900 [ 239.626908] 6323 [ 239.631742] ? trace_hardirqs_off+0xb8/0x310 [ 239.637994] ? trace_hardirqs_off+0xb8/0x310 [ 239.640055] Node 0 [ 239.644455] __alloc_pages_slowpath+0x2667/0x2d80 [ 239.648857] DMA32 free:25168kB min:30060kB low:37572kB high:45084kB active_anon:10240kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 239.651068] ? warn_alloc+0x120/0x120 [ 239.655878] lowmem_reserve[]: [ 239.683217] ? warn_alloc+0x120/0x120 [ 239.687008] 0 [ 239.690101] ? warn_alloc+0x120/0x120 [ 239.693887] 0 [ 239.695681] ? mark_held_locks+0x130/0x130 [ 239.699451] 3503 [ 239.701388] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.705630] 3503 [ 239.707684] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 239.715269] ? should_fail+0x22d/0xd01 [ 239.720777] Node 0 Normal free:13948kB min:37352kB low:46688kB high:56024kB active_anon:175660kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5056kB pagetables:1584kB bounce:0kB free_pcp:856kB local_pcp:320kB free_cma:0kB [ 239.724703] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 239.724720] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 239.753803] lowmem_reserve[]: [ 239.758902] ? should_fail+0x22d/0xd01 [ 239.764409] 0 [ 239.767613] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 239.771486] 0 [ 239.773352] ? should_fail+0x22d/0xd01 [ 239.778435] 0 [ 239.780228] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 239.784113] 0 [ 239.785924] ? mark_held_locks+0x130/0x130 [ 239.792797] ? mark_held_locks+0x130/0x130 [ 239.797028] Node 0 [ 239.801272] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.801274] DMA: 1*4kB [ 239.803519] ? trace_hardirqs_off+0xb8/0x310 [ 239.809029] (U) [ 239.811600] ? kasan_check_read+0x11/0x20 [ 239.815982] 0*8kB [ 239.817957] ? do_raw_spin_unlock+0xa7/0x2f0 [ 239.822076] 0*16kB [ 239.824229] ? trace_hardirqs_on+0x310/0x310 [ 239.828609] 1*32kB [ 239.830832] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.835214] (U) [ 239.837443] ? wq_watchdog_touch+0x9c/0xfe [ 239.842950] 2*64kB [ 239.844932] ? io_serial_in+0x11/0x90 [ 239.849139] (U) [ 239.851372] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.855150] 1*128kB [ 239.857116] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 239.862633] (U) [ 239.864958] __alloc_pages_nodemask+0xa80/0xde0 [ 239.870033] 1*256kB [ 239.872011] ? should_fail+0x22d/0xd01 [ 239.876665] (U) [ 239.878995] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 239.882858] 0*512kB [ 239.884877] ? ____cache_alloc_node+0x1c7/0x1e0 [ 239.889867] 1*1024kB [ 239.892194] ? lock_downgrade+0x900/0x900 [ 239.896864] (U) [ 239.899279] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.903397] 1*2048kB [ 239.905362] cache_grow_begin+0x91/0x8c0 [ 239.910927] (M) [ 239.913331] ? do_raw_spin_unlock+0xa7/0x2f0 [ 239.917380] 3*4096kB [ 239.919483] fallback_alloc+0x203/0x2e0 [ 239.923862] (M) [ 239.926321] ____cache_alloc_node+0x1c7/0x1e0 [ 239.930276] = 15908kB [ 239.932252] kmem_cache_alloc_node+0xe3/0x730 [ 239.936715] Node 0 [ 239.939131] ? ipv6_get_ifaddr+0x42e/0x620 [ 239.943609] DMA32: [ 239.945889] __alloc_skb+0x119/0x770 [ 239.950099] 2*4kB [ 239.952324] ? skb_scrub_packet+0x490/0x490 [ 239.956011] (M) [ 239.958164] ? lock_downgrade+0x900/0x900 [ 239.962462] 1*8kB [ 239.964493] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.968631] (M) [ 239.970794] ? refcount_sub_and_test_checked+0x203/0x310 [ 239.976303] 2*16kB [ 239.978533] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 239.983956] (M) [ 239.986193] ? addrconf_rs_timer+0x690/0x690 [ 239.991652] 3*32kB [ 239.993639] ndisc_alloc_skb+0x144/0x340 [ 239.998021] (MH) [ 240.000253] ndisc_send_rs+0x331/0x6e0 [ 240.004290] 5*64kB [ 240.006358] addrconf_rs_timer+0x314/0x690 [ 240.010217] (MH) [ 240.012451] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 240.016689] 3*128kB [ 240.018765] call_timer_fn+0x272/0x920 [ 240.022970] (M) [ 240.025293] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 240.029157] 5*256kB [ 240.031129] ? process_timeout+0x40/0x40 [ 240.035346] (UMH) [ 240.037739] ? trace_hardirqs_off+0xb8/0x310 [ 240.041802] 5*512kB [ 240.043976] ? kasan_check_read+0x11/0x20 [ 240.048356] (UMH) [ 240.050672] ? do_raw_spin_unlock+0xa7/0x2f0 [ 240.054790] 4*1024kB [ 240.056925] ? trace_hardirqs_on+0x310/0x310 [ 240.061323] (UMH) [ 240.063746] ? __run_timers+0x7da/0xc70 [ 240.068170] 2*2048kB [ 240.070307] ? lock_downgrade+0x900/0x900 [ 240.074252] (M) [ 240.076683] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 240.080848] 3*4096kB [ 240.082816] ? trace_hardirqs_on+0xbd/0x310 [ 240.087913] (M) [ 240.090358] ? kasan_check_read+0x11/0x20 [ 240.094666] = 25168kB [ 240.096652] ? __run_timers+0x7da/0xc70 [ 240.100798] Node 0 [ 240.103196] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 240.107144] Normal: [ 240.109391] ? kasan_check_write+0x14/0x20 [ 240.114848] 1081*4kB [ 240.117177] ? do_raw_spin_lock+0xc1/0x200 [ 240.121384] (UMEH) [ 240.123789] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 240.127994] 387*8kB [ 240.130264] __run_timers+0x7e5/0xc70 [ 240.134468] (ME) [ 240.136782] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 240.140567] 152*16kB [ 240.142631] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 240.147988] (UME) [ 240.150408] ? timerqueue_add+0x207/0x2b0 [ 240.155397] 54*32kB [ 240.157552] ? enqueue_hrtimer+0x1a5/0x560 [ 240.161671] (UME) [ 240.163983] ? lock_release+0x970/0x970 [ 240.168209] 21*64kB [ 240.170362] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 240.174315] (UM) [ 240.176633] ? check_preemption_disabled+0x48/0x200 [ 240.181816] 0*128kB [ 240.183877] ? kasan_check_write+0x14/0x20 [ 240.188873] 0*256kB [ 240.191207] ? pvclock_read_flags+0x160/0x160 [ 240.195417] 2*512kB [ 240.197739] ? lock_downgrade+0x900/0x900 [ 240.202222] (U) [ 240.204539] ? trace_hardirqs_on+0xbd/0x310 [ 240.208666] 0*1024kB [ 240.210649] ? kvm_sched_clock_read+0x9/0x20 [ 240.214953] 0*2048kB [ 240.217366] ? irq_exit+0x17f/0x1c0 [ 240.221761] 0*4096kB [ 240.224160] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.227766] = 13948kB [ 240.230162] ? check_preemption_disabled+0x48/0x200 [ 240.235676] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 240.238068] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.243072] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 240.251964] run_timer_softirq+0x52/0xb0 [ 240.257496] 4244 total pagecache pages [ 240.266078] ? __this_cpu_preempt_check+0x1c/0x1f [ 240.270110] 0 pages in swap cache [ 240.274006] __do_softirq+0x30b/0xad8 [ 240.278872] Swap cache stats: add 0, delete 0, find 0/0 [ 240.282351] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 240.286138] Free swap = 0kB [ 240.291498] ? pvclock_read_flags+0x160/0x160 [ 240.296578] Total swap = 0kB [ 240.299583] ? lapic_next_event+0x5a/0x90 [ 240.304057] 1965979 pages RAM [ 240.307082] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.311222] 0 pages HighMem/MovableOnly [ 240.314337] ? clockevents_program_event+0x140/0x370 [ 240.319845] 342307 pages reserved [ 240.323803] ? kvm_clock_read+0x18/0x30 [ 240.328888] 0 pages cma reserved [ 240.328944] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 240.332339] ? kvm_sched_clock_read+0x9/0x20 [ 240.336345] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 240.339655] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.346119] syz-executor2 cpuset= [ 240.350515] ? check_preemption_disabled+0x48/0x200 [ 240.360979] syz2 [ 240.366516] irq_exit+0x17f/0x1c0 [ 240.369965] mems_allowed=0 [ 240.374987] smp_apic_timer_interrupt+0x1cb/0x760 [ 240.388155] ? smp_reschedule_interrupt+0x109/0x650 [ 240.393161] ? smp_call_function_single_interrupt+0x650/0x650 [ 240.399039] ? interrupt_entry+0xb5/0xf0 [ 240.403116] ? trace_hardirqs_off_caller+0xbb/0x310 [ 240.408128] ? trace_hardirqs_off_caller+0xbb/0x310 [ 240.413142] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 240.417983] ? trace_hardirqs_on_caller+0x310/0x310 [ 240.422993] ? trace_hardirqs_on_caller+0x310/0x310 [ 240.428014] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 240.433546] ? check_preemption_disabled+0x48/0x200 [ 240.438560] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 240.444105] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 240.448952] apic_timer_interrupt+0xf/0x20 [ 240.453194] [ 240.455430] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 240.460632] Code: 00 e8 97 f5 a3 f9 e8 d2 63 d3 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d 24 75 80 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d fa 74 [ 240.479526] RSP: 0000:ffff8801bbdd6150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 240.487253] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 240.494518] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe740 [ 240.501824] RBP: ffff8801bbdd6178 R08: ffff8801d838c080 R09: ffffed003b5e5979 [ 240.509102] R10: ffffed003b5e5979 R11: ffff8801daf2cbcb R12: dffffc0000000000 [ 240.516368] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 240.523636] ? trace_hardirqs_on+0x9a/0x310 [ 240.527973] ? trace_hardirqs_on+0xb4/0x310 [ 240.532295] retint_kernel+0x1b/0x2d [ 240.536008] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 240.541298] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 21 17 fa 48 83 3d 99 9c 86 01 00 75 07 e8 9a 7f d3 f9 0f 0b e8 93 7f d3 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 21 17 fa 4c 8b 45 d0 e9 [ 240.560260] RSP: 0000:ffff8801bbdd6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 240.567972] RAX: ffff8801d838c080 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 240.575232] RDX: 0000000000000000 RSI: ffffffff87ab55fd RDI: 0000000000000293 [ 240.582604] RBP: ffff8801bbdd6240 R08: ffff8801d838c080 R09: fffffbfff13d9700 [ 240.589872] R10: fffffbfff13d9700 R11: 0000000000000003 R12: 0000000000000293 [ 240.597141] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff8931f280 [ 240.604449] ? trace_hardirqs_on+0x9a/0x310 [ 240.608768] ? arch_local_irq_restore+0x45/0x52 [ 240.613447] dump_stack+0x26a/0x2b4 [ 240.617083] ? dump_stack_print_info.cold.2+0x52/0x52 [ 240.622271] ? mark_held_locks+0x130/0x130 [ 240.626520] ? mark_held_locks+0x130/0x130 [ 240.630775] dump_header+0x27b/0xf72 [ 240.634526] ? rcu_read_unlock+0x16/0x60 [ 240.638617] ? pagefault_out_of_memory+0x197/0x197 [ 240.643541] ? mark_held_locks+0x130/0x130 [ 240.647818] ? percpu_ref_put_many+0x13e/0x260 [ 240.652502] ? mem_cgroup_charge_statistics+0x780/0x780 [ 240.657883] ? mem_cgroup_iter+0x1f7/0x1160 [ 240.662197] ? mark_held_locks+0x130/0x130 [ 240.666447] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.671982] ? task_will_free_mem+0x239/0xb30 [ 240.676504] ? ___ratelimit+0x36f/0x655 [ 240.680479] ? lock_downgrade+0x900/0x900 [ 240.684620] ? trace_hardirqs_on+0xbd/0x310 [ 240.688940] ? kasan_check_read+0x11/0x20 [ 240.693084] ? ___ratelimit+0x36f/0x655 [ 240.697058] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 240.702499] ? trace_hardirqs_on+0x310/0x310 [ 240.706906] ? lock_downgrade+0x900/0x900 [ 240.711134] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 240.716262] ? ___ratelimit+0xaa/0x655 [ 240.720195] ? idr_get_free+0xec0/0xec0 [ 240.724164] ? kasan_check_write+0x14/0x20 [ 240.728395] ? do_raw_spin_lock+0xc1/0x200 [ 240.732630] oom_kill_process.cold.27+0x10/0x903 [ 240.737380] ? lock_downgrade+0x900/0x900 [ 240.741535] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 240.747342] ? oom_evaluate_task+0x540/0x540 [ 240.751779] ? shrink_node+0x16b0/0x16b0 [ 240.755869] ? oom_unkillable_task+0x383/0x580 [ 240.760460] ? out_of_memory+0x974/0x1430 [ 240.764601] ? lock_downgrade+0x900/0x900 [ 240.768759] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 240.774559] ? __cpuset_node_allowed+0x19b/0x660 [ 240.779310] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 240.784874] ? oom_evaluate_task+0x302/0x540 [ 240.789325] out_of_memory+0xa84/0x1430 [ 240.793330] ? oom_killer_disable+0x3a0/0x3a0 [ 240.797903] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 240.802873] ? __mutex_add_waiter+0x2a0/0x2a0 [ 240.807365] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 240.812414] ? find_next_bit+0x104/0x130 [ 240.816481] __alloc_pages_slowpath+0x2318/0x2d80 [ 240.821360] ? warn_alloc+0x120/0x120 [ 240.825164] ? __radix_tree_lookup+0x4c0/0x4c0 [ 240.829748] ? find_get_entry+0x2f2/0xc40 [ 240.833908] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 240.838827] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 240.844359] ? should_fail+0x22d/0xd01 [ 240.848255] ? ___might_sleep+0x1ed/0x300 [ 240.852407] ? lock_release+0x970/0x970 [ 240.856396] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 240.861498] ? debug_smp_processor_id+0x1c/0x20 [ 240.866163] ? __might_sleep+0x95/0x190 [ 240.870184] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 240.875075] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 240.880117] ? lock_downgrade+0x900/0x900 [ 240.884272] ? ___might_sleep+0x1ed/0x300 [ 240.888429] ? lock_release+0x970/0x970 [ 240.892413] ? arch_local_save_flags+0x40/0x40 [ 240.896997] ? finish_task_switch+0x1f5/0x900 [ 240.901505] ? __might_sleep+0x95/0x190 [ 240.905491] __alloc_pages_nodemask+0xa80/0xde0 [ 240.910199] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 240.915257] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 240.921088] ? kasan_check_write+0x14/0x20 [ 240.925323] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 240.930024] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.935576] ? __do_page_cache_readahead+0x7ce/0x980 [ 240.940685] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 240.946422] alloc_pages_current+0x10c/0x210 [ 240.950833] ? lock_downgrade+0x900/0x900 [ 240.955025] __page_cache_alloc+0x38f/0x5b0 [ 240.959351] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 240.965163] ? ext4_filemap_fault+0x82/0xad [ 240.969477] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 240.974142] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 240.979670] ? check_preemption_disabled+0x48/0x200 [ 240.984688] filemap_fault+0x1594/0x25f0 [ 240.988762] ? __lock_page_or_retry+0xa00/0xa00 [ 240.993429] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 240.999223] ? unwind_dump+0x190/0x190 [ 241.003113] ? is_bpf_text_address+0xd3/0x170 [ 241.007625] ? filemap_map_pages+0xdea/0x1980 [ 241.012145] ? find_get_pages_range_tag+0x1320/0x1320 [ 241.017341] ? save_stack+0xa9/0xd0 [ 241.020964] ? save_stack+0x43/0xd0 [ 241.024581] ? __kasan_slab_free+0x102/0x150 [ 241.028983] ? __sigqueue_free.part.27+0x7d/0xa0 [ 241.033735] ? __dequeue_signal+0x530/0x7d0 [ 241.038059] ? dequeue_signal+0x26c/0x630 [ 241.042212] ? get_signal+0x3ec/0x1980 [ 241.046114] ? do_signal+0x9c/0x21e0 [ 241.049817] ? exit_to_usermode_loop+0x2e5/0x380 [ 241.054573] ? mark_held_locks+0x130/0x130 [ 241.058833] ? trace_hardirqs_on+0x310/0x310 [ 241.063287] ? lock_acquire+0x1ed/0x520 [ 241.067272] ? ext4_filemap_fault+0x7a/0xad [ 241.071609] ? lock_release+0x970/0x970 [ 241.075579] ? arch_local_save_flags+0x40/0x40 [ 241.080682] ? mark_held_locks+0x130/0x130 [ 241.084921] ? trace_hardirqs_off+0xb8/0x310 [ 241.089349] ? down_read+0xb0/0x1d0 [ 241.092969] ? ext4_filemap_fault+0x7a/0xad [ 241.097288] ? __down_interruptible+0x700/0x700 [ 241.101948] ? kmem_cache_free+0x21a/0x290 [ 241.106184] ? __sigqueue_free.part.27+0x7d/0xa0 [ 241.110952] ? __dequeue_signal+0xf9/0x7d0 [ 241.115200] ext4_filemap_fault+0x82/0xad [ 241.119364] __do_fault+0x100/0x6b0 [ 241.122984] ? print_bad_pte+0x6c0/0x6c0 [ 241.127050] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 241.132585] ? pmd_val+0x88/0x100 [ 241.136080] ? add_mm_counter_fast+0xd0/0xd0 [ 241.140486] ? pmd_val+0x88/0x100 [ 241.143935] ? add_mm_counter_fast+0xd0/0xd0 [ 241.148348] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 241.153889] __handle_mm_fault+0x3709/0x53e0 [ 241.158293] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 241.163129] ? kasan_check_write+0x14/0x20 [ 241.167363] ? do_raw_spin_lock+0xc1/0x200 [ 241.171597] ? _raw_spin_unlock_irq+0x60/0x80 [ 241.176087] ? __set_current_blocked+0xe4/0x120 [ 241.180761] ? lock_acquire+0x1ed/0x520 [ 241.184745] ? handle_mm_fault+0x42a/0xc70 [ 241.188982] ? lock_downgrade+0x900/0x900 [ 241.193154] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 241.198959] ? __do_page_fault+0x67d/0xed0 [ 241.203205] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 241.208653] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 241.214218] ? check_preemption_disabled+0x48/0x200 [ 241.219235] handle_mm_fault+0x54f/0xc70 [ 241.223305] ? __handle_mm_fault+0x53e0/0x53e0 [ 241.227880] ? find_vma+0x34/0x190 [ 241.231432] __do_page_fault+0x67d/0xed0 [ 241.235501] ? mm_fault_error+0x380/0x380 [ 241.239644] ? syscall_slow_exit_work+0x520/0x520 [ 241.244479] do_page_fault+0xf2/0x7e0 [ 241.248314] ? vmalloc_sync_all+0x30/0x30 [ 241.252502] ? error_entry+0x70/0xd0 [ 241.256226] ? trace_hardirqs_off_caller+0xbb/0x310 [ 241.261236] ? trace_hardirqs_on_caller+0xc0/0x310 [ 241.266165] ? syscall_return_slowpath+0x5e0/0x5e0 [ 241.271095] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 241.275945] ? trace_hardirqs_on_caller+0x310/0x310 [ 241.280961] ? trace_hardirqs_off+0x310/0x310 [ 241.285452] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 241.290474] ? prepare_exit_to_usermode+0x291/0x3b0 [ 241.295498] ? page_fault+0x8/0x30 [ 241.299042] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 241.303898] ? page_fault+0x8/0x30 [ 241.307460] page_fault+0x1e/0x30 [ 241.310915] RIP: 0033:0x45db60 [ 241.314130] Code: Bad RIP value. [ 241.317495] RSP: 002b:000000c420049ab8 EFLAGS: 00010286 [ 241.322868] RAX: 0000000000000000 RBX: 000000c420026380 RCX: 000000000045ddf3 [ 241.330149] RDX: 000000c420049ac0 RSI: 000000c420049bf0 RDI: 0000000000000011 [ 241.337407] RBP: 000000c420022f08 R08: 0000000000000000 R09: 0000000000000000 [ 241.344663] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42005c168 [ 241.351924] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000 [ 241.359214] CPU: 0 PID: 7800 Comm: syz-executor2 Not tainted 4.19.0-rc6+ #119 [ 241.359266] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 241.366487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 241.373018] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 241.382318] Call Trace: [ 241.392546] syz-fuzzer cpuset= [ 241.395116] [ 241.395118] / mems_allowed=0 [ 241.398305] dump_stack+0x1c4/0x2b4 [ 241.407072] ? dump_stack_print_info.cold.2+0x52/0x52 [ 241.412264] warn_alloc.cold.119+0xb7/0x1bd [ 241.416587] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 241.421426] ? lock_downgrade+0x900/0x900 [ 241.425572] ? trace_hardirqs_off+0xb8/0x310 [ 241.430021] ? trace_hardirqs_off+0xb8/0x310 [ 241.434435] __alloc_pages_slowpath+0x2667/0x2d80 [ 241.439289] ? warn_alloc+0x120/0x120 [ 241.443084] ? warn_alloc+0x120/0x120 [ 241.446898] ? warn_alloc+0x120/0x120 [ 241.450695] ? mark_held_locks+0x130/0x130 [ 241.454921] ? trace_hardirqs_on+0x310/0x310 [ 241.459320] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.464851] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 241.470420] ? should_fail+0x22d/0xd01 [ 241.474342] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 241.479438] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 241.484965] ? should_fail+0x22d/0xd01 [ 241.488866] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 241.493962] ? should_fail+0x22d/0xd01 [ 241.497860] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 241.502956] ? mark_held_locks+0x130/0x130 [ 241.507188] ? mark_held_locks+0x130/0x130 [ 241.511439] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.516981] ? trace_hardirqs_off+0xb8/0x310 [ 241.521380] ? kasan_check_read+0x11/0x20 [ 241.525529] ? do_raw_spin_unlock+0xa7/0x2f0 [ 241.529937] ? trace_hardirqs_on+0x310/0x310 [ 241.534341] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.539867] ? wq_watchdog_touch+0x9c/0xfe [ 241.544105] ? io_serial_in+0x11/0x90 [ 241.547936] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.553472] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 241.558576] __alloc_pages_nodemask+0xa80/0xde0 [ 241.563244] ? should_fail+0x22d/0xd01 [ 241.567129] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 241.572179] ? ____cache_alloc_node+0x1c7/0x1e0 [ 241.576843] ? lock_downgrade+0x900/0x900 [ 241.580995] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.586540] cache_grow_begin+0x91/0x8c0 [ 241.590597] ? do_raw_spin_unlock+0xa7/0x2f0 [ 241.595020] fallback_alloc+0x203/0x2e0 [ 241.599033] ____cache_alloc_node+0x1c7/0x1e0 [ 241.603558] kmem_cache_alloc_node+0xe3/0x730 [ 241.608078] ? ipv6_get_ifaddr+0x42e/0x620 [ 241.612331] __alloc_skb+0x119/0x770 [ 241.616037] ? skb_scrub_packet+0x490/0x490 [ 241.620348] ? lock_downgrade+0x900/0x900 [ 241.624496] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.630059] ? refcount_sub_and_test_checked+0x203/0x310 [ 241.635539] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 241.640981] ? addrconf_rs_timer+0x690/0x690 [ 241.645390] ndisc_alloc_skb+0x144/0x340 [ 241.649470] ndisc_send_rs+0x331/0x6e0 [ 241.653368] addrconf_rs_timer+0x314/0x690 [ 241.657622] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 241.661874] call_timer_fn+0x272/0x920 [ 241.665778] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 241.670039] ? process_timeout+0x40/0x40 [ 241.674102] ? trace_hardirqs_off+0xb8/0x310 [ 241.678498] ? kasan_check_read+0x11/0x20 [ 241.682642] ? do_raw_spin_unlock+0xa7/0x2f0 [ 241.687039] ? trace_hardirqs_on+0x310/0x310 [ 241.691437] ? __run_timers+0x7da/0xc70 [ 241.695418] ? lock_downgrade+0x900/0x900 [ 241.699559] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 241.704654] ? trace_hardirqs_on+0xbd/0x310 [ 241.709011] ? kasan_check_read+0x11/0x20 [ 241.713155] ? __run_timers+0x7da/0xc70 [ 241.717126] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 241.722572] ? kasan_check_write+0x14/0x20 [ 241.726820] ? do_raw_spin_lock+0xc1/0x200 [ 241.731052] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 241.735293] __run_timers+0x7e5/0xc70 [ 241.739096] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 241.744464] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 241.749474] ? timerqueue_add+0x207/0x2b0 [ 241.753664] ? enqueue_hrtimer+0x1a5/0x560 [ 241.757893] ? lock_release+0x970/0x970 [ 241.761867] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 241.767058] ? kasan_check_write+0x14/0x20 [ 241.771310] ? pvclock_read_flags+0x160/0x160 [ 241.775831] ? lock_downgrade+0x900/0x900 [ 241.780015] ? trace_hardirqs_on+0xbd/0x310 [ 241.784359] ? kvm_sched_clock_read+0x9/0x20 [ 241.788773] ? irq_exit+0x17f/0x1c0 [ 241.792407] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.797939] ? check_preemption_disabled+0x48/0x200 [ 241.802959] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.808498] run_timer_softirq+0x52/0xb0 [ 241.812596] ? __this_cpu_preempt_check+0x1c/0x1f [ 241.817464] __do_softirq+0x30b/0xad8 [ 241.821267] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 241.826381] ? pvclock_read_flags+0x160/0x160 [ 241.830875] ? lapic_next_event+0x5a/0x90 [ 241.835040] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.840636] ? clockevents_program_event+0x140/0x370 [ 241.845764] ? kvm_clock_read+0x18/0x30 [ 241.849758] ? kvm_sched_clock_read+0x9/0x20 [ 241.854160] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.859699] ? check_preemption_disabled+0x48/0x200 [ 241.864716] irq_exit+0x17f/0x1c0 [ 241.868175] smp_apic_timer_interrupt+0x1cb/0x760 [ 241.873021] ? smp_reschedule_interrupt+0x109/0x650 [ 241.878028] ? smp_call_function_single_interrupt+0x650/0x650 [ 241.883925] ? interrupt_entry+0xb5/0xf0 [ 241.888026] ? trace_hardirqs_off_caller+0xbb/0x310 [ 241.893049] ? trace_hardirqs_off_caller+0xbb/0x310 [ 241.898066] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 241.902917] ? trace_hardirqs_on_caller+0x310/0x310 [ 241.907937] ? trace_hardirqs_on_caller+0x310/0x310 [ 241.912989] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.918548] ? check_preemption_disabled+0x48/0x200 [ 241.923560] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 241.928445] apic_timer_interrupt+0xf/0x20 [ 241.932666] [ 241.934934] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 241.940826] Code: 3f 7e 0f 85 32 ff ff ff e8 53 4a 3e ff e9 28 ff ff ff e8 ba ad c2 ff 48 83 3d 0a bf 6f 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 62 23 [ 241.959715] RSP: 0018:ffff88019a29f4a8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 241.967425] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000627e000 [ 241.974686] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 241.981993] RBP: ffff88019a29f520 R08: ffff8801ba14e480 R09: fffffbfff12720c0 [ 241.989279] R10: ffff88019a29e0f0 R11: ffffffff89390603 R12: ffff8801da800ac0 [ 241.996554] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286 [ 242.003827] ? trace_hardirqs_on+0xb4/0x310 [ 242.008144] ? save_stack+0xa9/0xd0 [ 242.011807] __kmalloc_node_track_caller+0x33/0x70 [ 242.016745] __kmalloc_reserve.isra.39+0xcc/0xe0 [ 242.021499] pskb_expand_head+0x230/0x10f0 [ 242.025750] ? lock_downgrade+0x900/0x900 [ 242.029911] ? check_preemption_disabled+0x48/0x200 [ 242.034928] ? memcpy+0x45/0x50 [ 242.038201] ? __copy_skb_header+0x350/0x6b0 [ 242.042618] ? __pskb_copy_fclone+0xeb0/0xeb0 [ 242.047120] ? skb_checksum+0x140/0x140 [ 242.051090] ? trace_hardirqs_on+0xbd/0x310 [ 242.055412] ? skb_clone+0x1bb/0x500 [ 242.059127] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 242.064580] ? kasan_unpoison_shadow+0x35/0x50 [ 242.069158] ? kasan_check_write+0x14/0x20 [ 242.073399] ? __skb_clone+0x6c7/0xa00 [ 242.077283] ? __copy_skb_header+0x6b0/0x6b0 [ 242.081699] ? kmem_cache_alloc+0x306/0x730 [ 242.086040] skb_ensure_writable+0x3dd/0x640 [ 242.090488] ? skb_cow_data+0xf10/0xf10 [ 242.094454] ? check_preemption_disabled+0x48/0x200 [ 242.099524] ? __this_cpu_preempt_check+0x1c/0x1f [ 242.104377] ? __bpf_redirect+0x54b/0xb20 [ 242.108553] ? __switch_to_asm+0x34/0x70 [ 242.112617] bpf_clone_redirect+0x14a/0x490 [ 242.116935] bpf_prog_3d1649e183dc2cc1+0xca3/0x1000 [ 242.121954] ? __sched_text_start+0x8/0x8 [ 242.126107] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 242.130887] ? retint_kernel+0x2d/0x2d [ 242.134784] ? trace_hardirqs_on_caller+0xc0/0x310 [ 242.139734] ? retint_kernel+0x2d/0x2d [ 242.143674] ? trace_hardirqs_on_caller+0xc0/0x310 [ 242.148597] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 242.153348] ? trace_hardirqs_off+0x310/0x310 [ 242.157838] ? retint_kernel+0x1b/0x2d [ 242.161718] ? lock_acquire+0x1ed/0x520 [ 242.165711] ? bpf_test_run+0x3cb/0x780 [ 242.169699] ? lock_downgrade+0x900/0x900 [ 242.173858] ? lock_release+0x970/0x970 [ 242.177845] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 242.183635] ? preempt_schedule_common+0x1f/0xd0 [ 242.188380] ? preempt_schedule+0x4d/0x60 [ 242.192538] ? ___preempt_schedule+0x16/0x18 [ 242.196956] ? bpf_test_run+0x25d/0x780 [ 242.200927] ? netlink_diag_dump+0x2a0/0x2a0 [ 242.205339] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 242.210891] ? bpf_test_init.isra.9+0x70/0x100 [ 242.215472] ? bpf_prog_test_run_skb+0x634/0xb40 [ 242.220232] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 242.225075] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 242.230611] ? fput+0x130/0x1a0 [ 242.233891] ? __bpf_prog_get+0x9b/0x290 [ 242.237966] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 242.242859] ? bpf_prog_test_run+0x130/0x1a0 [ 242.247265] ? __x64_sys_bpf+0x3d8/0x510 [ 242.251315] ? bpf_prog_get+0x20/0x20 [ 242.255115] ? __x64_sys_futex+0x4bc/0x6a0 [ 242.259350] ? do_syscall_64+0x1b9/0x820 [ 242.263404] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 242.268795] ? syscall_return_slowpath+0x5e0/0x5e0 [ 242.273753] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 242.278606] ? trace_hardirqs_on_caller+0x310/0x310 [ 242.283626] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 242.288644] ? prepare_exit_to_usermode+0x291/0x3b0 [ 242.293695] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 242.298544] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 242.303922] warn_alloc_show_mem: 1 callbacks suppressed [ 242.303934] CPU: 1 PID: 5806 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #119 [ 242.303935] Mem-Info: [ 242.303970] active_anon:46475 inactive_anon:4207 isolated_anon:0 [ 242.303970] active_file:17 inactive_file:13 isolated_file:0 [ 242.303970] unevictable:0 dirty:0 writeback:0 unstable:0 [ 242.303970] slab_reclaimable:8782 slab_unreclaimable:1485678 [ 242.303970] mapped:8194 shmem:4214 pagetables:396 bounce:0 [ 242.303970] free:13756 free_pcp:276 free_cma:0 [ 242.309308] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 242.316338] Node 0 active_anon:185900kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32776kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 242.318737] Call Trace: [ 242.351698] Node 0 [ 242.361034] [ 242.388792] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 242.391371] dump_stack+0x1c4/0x2b4 [ 242.393589] lowmem_reserve[]: [ 242.395741] ? dump_stack_print_info.cold.2+0x52/0x52 [ 242.421218] 0 [ 242.424853] warn_alloc.cold.119+0xb7/0x1bd [ 242.427972] 2819 [ 242.433166] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 242.434977] 6323 [ 242.439286] ? lock_downgrade+0x900/0x900 [ 242.441333] 6323 [ 242.446176] ? trace_hardirqs_off+0xb8/0x310 [ 242.452370] ? trace_hardirqs_off+0xb8/0x310 [ 242.454407] Node 0 [ 242.458803] __alloc_pages_slowpath+0x2667/0x2d80 [ 242.463220] DMA32 free:25168kB min:30060kB low:37572kB high:45084kB active_anon:10240kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 242.465447] ? warn_alloc+0x120/0x120 [ 242.470281] lowmem_reserve[]: [ 242.497537] ? trace_hardirqs_on+0x310/0x310 [ 242.501307] 0 [ 242.504421] ? warn_alloc+0x120/0x120 [ 242.508801] 0 [ 242.510590] ? warn_alloc+0x120/0x120 [ 242.514364] 3503 [ 242.516157] ? ktime_get+0x2e1/0x440 [ 242.519941] 3503 [ 242.522010] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.527768] ? check_preemption_disabled+0x48/0x200 [ 242.533294] Node 0 Normal free:13948kB min:37352kB low:46688kB high:56024kB active_anon:175660kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5056kB pagetables:1584kB bounce:0kB free_pcp:856kB local_pcp:320kB free_cma:0kB [ 242.538367] ? kasan_check_read+0x11/0x20 [ 242.538382] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 242.567434] lowmem_reserve[]: [ 242.571595] ? should_fail+0x22d/0xd01 [ 242.577104] 0 [ 242.580200] ? rcu_bh_qs+0xc0/0xc0 [ 242.584073] 0 [ 242.585864] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 242.589378] 0 [ 242.591184] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 242.596292] 0 [ 242.598100] ? should_fail+0x22d/0xd01 [ 242.605397] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 242.609256] Node 0 [ 242.614374] ? should_fail+0x22d/0xd01 [ 242.614377] DMA: 1*4kB [ 242.616612] ? rcu_idle_enter+0x4b0/0x4b0 [ 242.620481] (U) [ 242.623086] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 242.627217] 0*8kB [ 242.629179] ? mark_held_locks+0x130/0x130 [ 242.634255] 0*16kB [ 242.636415] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.640623] 1*32kB [ 242.642846] ? mark_held_locks+0x130/0x130 [ 242.648351] (U) [ 242.650592] ? rcu_irq_exit+0xce/0x100 [ 242.654805] 2*64kB [ 242.656809] ? irq_exit+0xbd/0x1c0 [ 242.660670] (U) [ 242.662901] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 242.666425] 1*128kB [ 242.668396] ? do_raw_spin_unlock+0xa7/0x2f0 [ 242.673413] (U) [ 242.675725] ? smp_call_function_single_interrupt+0x650/0x650 [ 242.680114] 1*256kB [ 242.682080] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.687936] (U) [ 242.690267] ? ret_from_intr+0xb/0x1e [ 242.695896] 0*512kB [ 242.697874] ? retint_kernel+0x2d/0x2d [ 242.701652] 1*1024kB [ 242.703975] ? trace_hardirqs_on_caller+0xc0/0x310 [ 242.707847] (U) [ 242.710254] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 242.715157] 1*2048kB [ 242.717141] ? trace_hardirqs_off+0x310/0x310 [ 242.721921] (M) [ 242.724459] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 242.728931] 3*4096kB [ 242.730918] __alloc_pages_nodemask+0xa80/0xde0 [ 242.736009] (M) [ 242.738424] ? should_fail+0x22d/0xd01 [ 242.743094] = 15908kB [ 242.745103] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 242.748968] Node 0 [ 242.751381] ? ____cache_alloc_node+0x1c7/0x1e0 [ 242.756377] DMA32: [ 242.758617] ? lock_downgrade+0x900/0x900 [ 242.763256] 2*4kB [ 242.765489] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.769625] (M) [ 242.771782] cache_grow_begin+0x91/0x8c0 [ 242.777301] 1*8kB (M) [ 242.779280] ? do_raw_spin_unlock+0xa7/0x2f0 [ 242.783312] 2*16kB [ 242.785795] fallback_alloc+0x203/0x2e0 [ 242.790226] (M) [ 242.792466] ____cache_alloc_node+0x1c7/0x1e0 [ 242.796414] 3*32kB [ 242.798385] kmem_cache_alloc_node+0xe3/0x730 [ 242.802883] (MH) [ 242.805107] ? ipv6_get_ifaddr+0x42e/0x620 [ 242.809578] 5*64kB [ 242.811648] __alloc_skb+0x119/0x770 [ 242.815857] (MH) [ 242.818096] ? skb_scrub_packet+0x490/0x490 [ 242.821791] 3*128kB [ 242.823851] ? lock_downgrade+0x900/0x900 [ 242.828140] (M) [ 242.830473] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.834599] 5*256kB [ 242.836571] ? refcount_sub_and_test_checked+0x203/0x310 [ 242.842080] (UMH) [ 242.844421] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 242.849860] 5*512kB [ 242.852012] ? addrconf_rs_timer+0x690/0x690 [ 242.857439] (UMH) [ 242.859757] ndisc_alloc_skb+0x144/0x340 [ 242.864295] 4*1024kB [ 242.866487] ndisc_send_rs+0x331/0x6e0 [ 242.870569] (UMH) [ 242.872985] addrconf_rs_timer+0x314/0x690 [ 242.876867] 2*2048kB [ 242.879041] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.883264] (M) [ 242.885667] call_timer_fn+0x272/0x920 [ 242.889870] 3*4096kB [ 242.891852] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.895744] (M) [ 242.898174] ? process_timeout+0x40/0x40 [ 242.902381] = 25168kB [ 242.904348] ? trace_hardirqs_off+0xb8/0x310 [ 242.908401] Node 0 [ 242.910814] ? kasan_check_read+0x11/0x20 [ 242.915202] Normal: [ 242.917427] ? do_raw_spin_unlock+0xa7/0x2f0 [ 242.921550] 1081*4kB [ 242.923882] ? trace_hardirqs_on+0x310/0x310 [ 242.928323] (UMEH) [ 242.930743] ? __run_timers+0x7da/0xc70 [ 242.935154] 387*8kB [ 242.937456] ? lock_downgrade+0x900/0x900 [ 242.941530] (ME) [ 242.943845] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 242.948470] 152*16kB (UME) [ 242.950564] ? trace_hardirqs_on+0xbd/0x310 [ 242.955657] 54*32kB [ 242.958631] ? kasan_check_read+0x11/0x20 [ 242.962924] (UME) [ 242.965272] ? __run_timers+0x7da/0xc70 [ 242.969399] 21*64kB [ 242.971541] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 242.975488] (UM) [ 242.977803] ? kasan_check_write+0x14/0x20 [ 242.983227] 0*128kB [ 242.985336] ? do_raw_spin_lock+0xc1/0x200 [ 242.989553] 0*256kB [ 242.991865] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.996069] 2*512kB [ 242.998386] __run_timers+0x7e5/0xc70 [ 243.002591] (U) [ 243.004930] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 243.008698] 0*1024kB [ 243.010700] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 243.016033] 0*2048kB [ 243.018454] ? timerqueue_add+0x207/0x2b0 [ 243.023445] 0*4096kB [ 243.025849] ? enqueue_hrtimer+0x1a5/0x560 [ 243.029988] = 13948kB [ 243.032403] ? lock_release+0x970/0x970 [ 243.036612] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 243.039044] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 243.043001] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 243.051834] ? check_preemption_disabled+0x48/0x200 [ 243.057027] 4244 total pagecache pages [ 243.065597] ? kasan_check_write+0x14/0x20 [ 243.070619] 0 pages in swap cache [ 243.074511] ? pvclock_read_flags+0x160/0x160 [ 243.078826] Swap cache stats: add 0, delete 0, find 0/0 [ 243.078835] Free swap = 0kB [ 243.082314] ? lock_downgrade+0x900/0x900 [ 243.086829] Total swap = 0kB [ 243.092200] ? trace_hardirqs_on+0xbd/0x310 [ 243.095231] 1965979 pages RAM [ 243.099421] ? kvm_sched_clock_read+0x9/0x20 [ 243.102409] 0 pages HighMem/MovableOnly [ 243.106760] ? irq_exit+0x17f/0x1c0 [ 243.109876] 342307 pages reserved [ 243.114294] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.118269] 0 pages cma reserved [ 243.121893] ? check_preemption_disabled+0x48/0x200 [ 243.125401] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 243.130888] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.130904] run_timer_softirq+0x52/0xb0 [ 243.130917] ? __this_cpu_preempt_check+0x1c/0x1f [ 243.134320] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 243.139285] __do_softirq+0x30b/0xad8 [ 243.145758] syz-executor2 cpuset= [ 243.151295] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 243.155328] syz2 [ 243.160155] ? pvclock_read_flags+0x160/0x160 [ 243.170622] mems_allowed=0 [ 243.174405] ? lapic_next_event+0x5a/0x90 [ 243.196523] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.202074] ? clockevents_program_event+0x140/0x370 [ 243.207186] ? kvm_clock_read+0x18/0x30 [ 243.211157] ? kvm_sched_clock_read+0x9/0x20 [ 243.215560] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.221105] ? check_preemption_disabled+0x48/0x200 [ 243.226128] irq_exit+0x17f/0x1c0 [ 243.229577] smp_apic_timer_interrupt+0x1cb/0x760 [ 243.234411] ? smp_reschedule_interrupt+0x109/0x650 [ 243.239431] ? smp_call_function_single_interrupt+0x650/0x650 [ 243.245345] ? interrupt_entry+0xb5/0xf0 [ 243.249557] ? trace_hardirqs_off_caller+0xbb/0x310 [ 243.254564] ? trace_hardirqs_off_caller+0xbb/0x310 [ 243.259718] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 243.264589] ? trace_hardirqs_on_caller+0x310/0x310 [ 243.269597] ? trace_hardirqs_on_caller+0x310/0x310 [ 243.274622] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 243.280179] ? check_preemption_disabled+0x48/0x200 [ 243.285186] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 243.290751] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 243.295610] apic_timer_interrupt+0xf/0x20 [ 243.299842] [ 243.302103] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 243.307286] Code: 00 e8 97 f5 a3 f9 e8 d2 63 d3 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d 24 75 80 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d fa 74 [ 243.326195] RSP: 0000:ffff8801bbdd6150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 243.333902] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 243.341160] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe740 [ 243.348421] RBP: ffff8801bbdd6178 R08: ffff8801d838c080 R09: ffffed003b5e5979 [ 243.355677] R10: ffffed003b5e5979 R11: ffff8801daf2cbcb R12: dffffc0000000000 [ 243.362941] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 243.370217] ? trace_hardirqs_on+0x9a/0x310 [ 243.374549] ? trace_hardirqs_on+0xb4/0x310 [ 243.378896] retint_kernel+0x1b/0x2d [ 243.382622] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 243.387914] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 21 17 fa 48 83 3d 99 9c 86 01 00 75 07 e8 9a 7f d3 f9 0f 0b e8 93 7f d3 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 21 17 fa 4c 8b 45 d0 e9 [ 243.406807] RSP: 0000:ffff8801bbdd6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 243.414508] RAX: ffff8801d838c080 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 243.421771] RDX: 0000000000000000 RSI: ffffffff87ab55fd RDI: 0000000000000293 [ 243.429033] RBP: ffff8801bbdd6240 R08: ffff8801d838c080 R09: fffffbfff13d9700 [ 243.436309] R10: fffffbfff13d9700 R11: 0000000000000003 R12: 0000000000000293 [ 243.443580] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff8931f280 [ 243.450964] ? trace_hardirqs_on+0x9a/0x310 [ 243.455308] ? arch_local_irq_restore+0x45/0x52 [ 243.460008] dump_stack+0x26a/0x2b4 [ 243.463637] ? dump_stack_print_info.cold.2+0x52/0x52 [ 243.468857] ? mark_held_locks+0x130/0x130 [ 243.473112] ? mark_held_locks+0x130/0x130 [ 243.477360] dump_header+0x27b/0xf72 [ 243.481164] ? rcu_read_unlock+0x16/0x60 [ 243.485263] ? pagefault_out_of_memory+0x197/0x197 [ 243.490208] ? mark_held_locks+0x130/0x130 [ 243.494467] ? percpu_ref_put_many+0x13e/0x260 [ 243.499061] ? mem_cgroup_charge_statistics+0x780/0x780 [ 243.504430] ? mem_cgroup_iter+0x1f7/0x1160 [ 243.508748] ? mark_held_locks+0x130/0x130 [ 243.512989] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.518517] ? task_will_free_mem+0x239/0xb30 [ 243.523013] ? ___ratelimit+0x36f/0x655 [ 243.526980] ? lock_downgrade+0x900/0x900 [ 243.531153] ? trace_hardirqs_on+0xbd/0x310 [ 243.535505] ? kasan_check_read+0x11/0x20 [ 243.539687] ? ___ratelimit+0x36f/0x655 [ 243.543705] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 243.549166] ? trace_hardirqs_on+0x310/0x310 [ 243.553603] ? lock_downgrade+0x900/0x900 [ 243.557758] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 243.562868] ? ___ratelimit+0xaa/0x655 [ 243.566807] ? idr_get_free+0xec0/0xec0 [ 243.570788] ? kasan_check_write+0x14/0x20 [ 243.575066] ? do_raw_spin_lock+0xc1/0x200 [ 243.579296] oom_kill_process.cold.27+0x10/0x903 [ 243.584061] ? lock_downgrade+0x900/0x900 [ 243.588234] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 243.594055] ? oom_evaluate_task+0x540/0x540 [ 243.598464] ? shrink_node+0x16b0/0x16b0 [ 243.602524] ? oom_unkillable_task+0x383/0x580 [ 243.607103] ? out_of_memory+0x974/0x1430 [ 243.611267] ? lock_downgrade+0x900/0x900 [ 243.615414] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 243.621210] ? __cpuset_node_allowed+0x19b/0x660 [ 243.625967] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 243.631499] ? oom_evaluate_task+0x302/0x540 [ 243.635923] out_of_memory+0xa84/0x1430 [ 243.639895] ? oom_killer_disable+0x3a0/0x3a0 [ 243.644414] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 243.649384] ? __mutex_add_waiter+0x2a0/0x2a0 [ 243.653874] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 243.658898] ? find_next_bit+0x104/0x130 [ 243.662970] __alloc_pages_slowpath+0x2318/0x2d80 [ 243.667843] ? warn_alloc+0x120/0x120 [ 243.671644] ? __radix_tree_lookup+0x4c0/0x4c0 [ 243.676225] ? find_get_entry+0x2f2/0xc40 [ 243.680384] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 243.685328] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 243.690871] ? should_fail+0x22d/0xd01 [ 243.694758] ? ___might_sleep+0x1ed/0x300 [ 243.698908] ? lock_release+0x970/0x970 [ 243.702919] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 243.708020] ? debug_smp_processor_id+0x1c/0x20 [ 243.712709] ? __might_sleep+0x95/0x190 [ 243.716705] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 243.721572] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 243.726591] ? lock_downgrade+0x900/0x900 [ 243.730745] ? ___might_sleep+0x1ed/0x300 [ 243.734890] ? lock_release+0x970/0x970 [ 243.738866] ? arch_local_save_flags+0x40/0x40 [ 243.743464] ? finish_task_switch+0x1f5/0x900 [ 243.747972] ? __might_sleep+0x95/0x190 [ 243.751965] __alloc_pages_nodemask+0xa80/0xde0 [ 243.756643] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 243.761659] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 243.767465] ? kasan_check_write+0x14/0x20 [ 243.771703] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 243.776380] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.781932] ? __do_page_cache_readahead+0x7ce/0x980 [ 243.787057] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 243.792596] alloc_pages_current+0x10c/0x210 [ 243.797006] ? lock_downgrade+0x900/0x900 [ 243.801165] __page_cache_alloc+0x38f/0x5b0 [ 243.805488] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 243.811283] ? ext4_filemap_fault+0x82/0xad [ 243.815635] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 243.820304] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 243.825881] ? check_preemption_disabled+0x48/0x200 [ 243.830913] filemap_fault+0x1594/0x25f0 [ 243.834989] ? __lock_page_or_retry+0xa00/0xa00 [ 243.839683] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 243.845496] ? unwind_dump+0x190/0x190 [ 243.849397] ? is_bpf_text_address+0xd3/0x170 [ 243.853890] ? filemap_map_pages+0xdea/0x1980 [ 243.858403] ? find_get_pages_range_tag+0x1320/0x1320 [ 243.863641] ? save_stack+0xa9/0xd0 [ 243.867284] ? save_stack+0x43/0xd0 [ 243.870904] ? __kasan_slab_free+0x102/0x150 [ 243.875306] ? __sigqueue_free.part.27+0x7d/0xa0 [ 243.880067] ? __dequeue_signal+0x530/0x7d0 [ 243.884485] ? dequeue_signal+0x26c/0x630 [ 243.888627] ? get_signal+0x3ec/0x1980 [ 243.892509] ? do_signal+0x9c/0x21e0 [ 243.896221] ? exit_to_usermode_loop+0x2e5/0x380 [ 243.900994] ? mark_held_locks+0x130/0x130 [ 243.905223] ? trace_hardirqs_on+0x310/0x310 [ 243.909630] ? lock_acquire+0x1ed/0x520 [ 243.913607] ? ext4_filemap_fault+0x7a/0xad [ 243.917955] ? lock_release+0x970/0x970 [ 243.921929] ? arch_local_save_flags+0x40/0x40 [ 243.926519] ? mark_held_locks+0x130/0x130 [ 243.930774] ? trace_hardirqs_off+0xb8/0x310 [ 243.935185] ? down_read+0xb0/0x1d0 [ 243.938808] ? ext4_filemap_fault+0x7a/0xad [ 243.943124] ? __down_interruptible+0x700/0x700 [ 243.947799] ? kmem_cache_free+0x21a/0x290 [ 243.952090] ? __sigqueue_free.part.27+0x7d/0xa0 [ 243.956853] ? __dequeue_signal+0xf9/0x7d0 [ 243.961100] ext4_filemap_fault+0x82/0xad [ 243.965276] __do_fault+0x100/0x6b0 [ 243.968907] ? print_bad_pte+0x6c0/0x6c0 [ 243.972977] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 243.978515] ? pmd_val+0x88/0x100 [ 243.981967] ? add_mm_counter_fast+0xd0/0xd0 [ 243.986405] ? pmd_val+0x88/0x100 [ 243.989856] ? add_mm_counter_fast+0xd0/0xd0 [ 243.994262] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 243.999813] __handle_mm_fault+0x3709/0x53e0 [ 244.004225] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 244.009071] ? kasan_check_write+0x14/0x20 [ 244.013313] ? do_raw_spin_lock+0xc1/0x200 [ 244.017545] ? _raw_spin_unlock_irq+0x60/0x80 [ 244.022035] ? __set_current_blocked+0xe4/0x120 [ 244.026723] ? lock_acquire+0x1ed/0x520 [ 244.030706] ? handle_mm_fault+0x42a/0xc70 [ 244.035007] ? lock_downgrade+0x900/0x900 [ 244.039177] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 244.044985] ? __do_page_fault+0x67d/0xed0 [ 244.049220] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 244.054704] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 244.060260] ? check_preemption_disabled+0x48/0x200 [ 244.065295] handle_mm_fault+0x54f/0xc70 [ 244.069354] ? __handle_mm_fault+0x53e0/0x53e0 [ 244.073929] ? find_vma+0x34/0x190 [ 244.077470] __do_page_fault+0x67d/0xed0 [ 244.081531] ? mm_fault_error+0x380/0x380 [ 244.085675] ? syscall_slow_exit_work+0x520/0x520 [ 244.090516] do_page_fault+0xf2/0x7e0 [ 244.094310] ? vmalloc_sync_all+0x30/0x30 [ 244.098485] ? error_entry+0x70/0xd0 [ 244.102212] ? trace_hardirqs_off_caller+0xbb/0x310 [ 244.107397] ? trace_hardirqs_on_caller+0xc0/0x310 [ 244.112326] ? syscall_return_slowpath+0x5e0/0x5e0 [ 244.117250] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 244.122100] ? trace_hardirqs_on_caller+0x310/0x310 [ 244.127105] ? trace_hardirqs_off+0x310/0x310 [ 244.131602] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 244.136630] ? prepare_exit_to_usermode+0x291/0x3b0 [ 244.141750] ? page_fault+0x8/0x30 [ 244.145293] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 244.150136] ? page_fault+0x8/0x30 [ 244.153683] page_fault+0x1e/0x30 [ 244.157160] RIP: 0033:0x45db60 [ 244.160354] Code: Bad RIP value. [ 244.163745] RSP: 002b:000000c420049ab8 EFLAGS: 00010286 [ 244.169111] RAX: 0000000000000000 RBX: 000000c420026380 RCX: 000000000045ddf3 [ 244.176372] RDX: 000000c420049ac0 RSI: 000000c420049bf0 RDI: 0000000000000011 [ 244.183628] RBP: 000000c420022f08 R08: 0000000000000000 R09: 0000000000000000 [ 244.190888] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42005c168 [ 244.198151] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000 [ 244.205454] CPU: 0 PID: 7800 Comm: syz-executor2 Not tainted 4.19.0-rc6+ #119 [ 244.205503] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 244.212747] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 244.212752] Call Trace: [ 244.212757] [ 244.212774] dump_stack+0x1c4/0x2b4 [ 244.219308] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 244.228593] ? dump_stack_print_info.cold.2+0x52/0x52 [ 244.231168] syz-fuzzer cpuset= [ 244.233329] warn_alloc.cold.119+0xb7/0x1bd [ 244.236965] / [ 244.247180] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 244.252343] mems_allowed=0 [ 244.255546] ? lock_downgrade+0x900/0x900 [ 244.273422] ? trace_hardirqs_off+0xb8/0x310 [ 244.277826] ? trace_hardirqs_off+0xb8/0x310 [ 244.282238] __alloc_pages_slowpath+0x2667/0x2d80 [ 244.287122] ? warn_alloc+0x120/0x120 [ 244.290923] ? warn_alloc+0x120/0x120 [ 244.294765] ? warn_alloc+0x120/0x120 [ 244.298564] ? mark_held_locks+0x130/0x130 [ 244.302842] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.308374] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 244.313931] ? should_fail+0x22d/0xd01 [ 244.317826] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 244.322923] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 244.328451] ? should_fail+0x22d/0xd01 [ 244.332336] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 244.337459] ? should_fail+0x22d/0xd01 [ 244.341346] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 244.346447] ? mark_held_locks+0x130/0x130 [ 244.350672] ? mark_held_locks+0x130/0x130 [ 244.354898] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.360478] ? trace_hardirqs_off+0xb8/0x310 [ 244.364913] ? kasan_check_read+0x11/0x20 [ 244.369080] ? do_raw_spin_unlock+0xa7/0x2f0 [ 244.373478] ? trace_hardirqs_on+0x310/0x310 [ 244.377908] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.383459] ? wq_watchdog_touch+0x9c/0xfe [ 244.387689] ? io_serial_in+0x11/0x90 [ 244.391499] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.397030] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 244.402132] __alloc_pages_nodemask+0xa80/0xde0 [ 244.406858] ? should_fail+0x22d/0xd01 [ 244.410760] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 244.415790] ? ____cache_alloc_node+0x1c7/0x1e0 [ 244.420470] ? lock_downgrade+0x900/0x900 [ 244.424624] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.430160] cache_grow_begin+0x91/0x8c0 [ 244.434335] ? do_raw_spin_unlock+0xa7/0x2f0 [ 244.438760] fallback_alloc+0x203/0x2e0 [ 244.442830] ____cache_alloc_node+0x1c7/0x1e0 [ 244.447414] kmem_cache_alloc_node+0xe3/0x730 [ 244.451928] ? ipv6_get_ifaddr+0x42e/0x620 [ 244.456172] __alloc_skb+0x119/0x770 [ 244.459909] ? skb_scrub_packet+0x490/0x490 [ 244.464241] ? lock_downgrade+0x900/0x900 [ 244.468387] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.473918] ? refcount_sub_and_test_checked+0x203/0x310 [ 244.479363] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 244.484820] ? addrconf_rs_timer+0x690/0x690 [ 244.489237] ndisc_alloc_skb+0x144/0x340 [ 244.493311] ndisc_send_rs+0x331/0x6e0 [ 244.497195] addrconf_rs_timer+0x314/0x690 [ 244.501435] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 244.505684] call_timer_fn+0x272/0x920 [ 244.509568] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 244.513809] ? process_timeout+0x40/0x40 [ 244.517868] ? trace_hardirqs_off+0xb8/0x310 [ 244.522274] ? kasan_check_read+0x11/0x20 [ 244.526419] ? do_raw_spin_unlock+0xa7/0x2f0 [ 244.530824] ? trace_hardirqs_on+0x310/0x310 [ 244.535253] ? __run_timers+0x7da/0xc70 [ 244.539220] ? lock_downgrade+0x900/0x900 [ 244.543399] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 244.548615] ? trace_hardirqs_on+0xbd/0x310 [ 244.552924] ? kasan_check_read+0x11/0x20 [ 244.557071] ? __run_timers+0x7da/0xc70 [ 244.561054] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 244.566525] ? kasan_check_write+0x14/0x20 [ 244.570771] ? do_raw_spin_lock+0xc1/0x200 [ 244.575047] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 244.579290] __run_timers+0x7e5/0xc70 [ 244.583125] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 244.588500] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 244.593514] ? timerqueue_add+0x207/0x2b0 [ 244.597679] ? enqueue_hrtimer+0x1a5/0x560 [ 244.601967] ? lock_release+0x970/0x970 [ 244.605999] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 244.611191] ? kasan_check_write+0x14/0x20 [ 244.615421] ? pvclock_read_flags+0x160/0x160 [ 244.619907] ? lock_downgrade+0x900/0x900 [ 244.624058] ? trace_hardirqs_on+0xbd/0x310 [ 244.628390] ? kvm_sched_clock_read+0x9/0x20 [ 244.632843] ? irq_exit+0x17f/0x1c0 [ 244.636482] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.642024] ? check_preemption_disabled+0x48/0x200 [ 244.647030] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.652649] run_timer_softirq+0x52/0xb0 [ 244.656723] ? __this_cpu_preempt_check+0x1c/0x1f [ 244.661585] __do_softirq+0x30b/0xad8 [ 244.665396] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 244.670501] ? pvclock_read_flags+0x160/0x160 [ 244.674992] ? lapic_next_event+0x5a/0x90 [ 244.679135] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.684679] ? clockevents_program_event+0x140/0x370 [ 244.689782] ? kvm_clock_read+0x18/0x30 [ 244.693773] ? kvm_sched_clock_read+0x9/0x20 [ 244.698184] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.703737] ? check_preemption_disabled+0x48/0x200 [ 244.708785] irq_exit+0x17f/0x1c0 [ 244.712231] smp_apic_timer_interrupt+0x1cb/0x760 [ 244.717069] ? smp_reschedule_interrupt+0x109/0x650 [ 244.722080] ? smp_call_function_single_interrupt+0x650/0x650 [ 244.727969] ? interrupt_entry+0xb5/0xf0 [ 244.732025] ? trace_hardirqs_off_caller+0xbb/0x310 [ 244.737035] ? trace_hardirqs_off_caller+0xbb/0x310 [ 244.742183] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 244.747031] ? trace_hardirqs_on_caller+0x310/0x310 [ 244.752049] ? trace_hardirqs_on_caller+0x310/0x310 [ 244.757061] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.762608] ? check_preemption_disabled+0x48/0x200 [ 244.767718] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 244.772585] apic_timer_interrupt+0xf/0x20 [ 244.776875] [ 244.779123] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 244.785053] Code: 3f 7e 0f 85 32 ff ff ff e8 53 4a 3e ff e9 28 ff ff ff e8 ba ad c2 ff 48 83 3d 0a bf 6f 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 62 23 [ 244.803955] RSP: 0018:ffff88019a29f4a8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 244.811667] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000627e000 [ 244.818927] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 244.826200] RBP: ffff88019a29f520 R08: ffff8801ba14e480 R09: fffffbfff12720c0 [ 244.833588] R10: ffff88019a29e0f0 R11: ffffffff89390603 R12: ffff8801da800ac0 [ 244.840846] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286 [ 244.848134] ? trace_hardirqs_on+0xb4/0x310 [ 244.852610] ? save_stack+0xa9/0xd0 [ 244.856238] __kmalloc_node_track_caller+0x33/0x70 [ 244.861170] __kmalloc_reserve.isra.39+0xcc/0xe0 [ 244.865926] pskb_expand_head+0x230/0x10f0 [ 244.870256] ? lock_downgrade+0x900/0x900 [ 244.874397] ? check_preemption_disabled+0x48/0x200 [ 244.879420] ? memcpy+0x45/0x50 [ 244.882692] ? __copy_skb_header+0x350/0x6b0 [ 244.887097] ? __pskb_copy_fclone+0xeb0/0xeb0 [ 244.891586] ? skb_checksum+0x140/0x140 [ 244.895558] ? trace_hardirqs_on+0xbd/0x310 [ 244.899870] ? skb_clone+0x1bb/0x500 [ 244.903595] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 244.909033] ? kasan_unpoison_shadow+0x35/0x50 [ 244.913616] ? kasan_check_write+0x14/0x20 [ 244.917864] ? __skb_clone+0x6c7/0xa00 [ 244.921756] ? __copy_skb_header+0x6b0/0x6b0 [ 244.926217] ? kmem_cache_alloc+0x306/0x730 [ 244.930534] skb_ensure_writable+0x3dd/0x640 [ 244.934935] ? skb_cow_data+0xf10/0xf10 [ 244.938910] ? check_preemption_disabled+0x48/0x200 [ 244.943933] ? __this_cpu_preempt_check+0x1c/0x1f [ 244.949353] ? __bpf_redirect+0x54b/0xb20 [ 244.953530] ? __switch_to_asm+0x34/0x70 [ 244.957617] bpf_clone_redirect+0x14a/0x490 [ 244.961977] bpf_prog_3d1649e183dc2cc1+0xca3/0x1000 [ 244.967018] ? __sched_text_start+0x8/0x8 [ 244.971161] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 244.975914] ? retint_kernel+0x2d/0x2d [ 244.979803] ? trace_hardirqs_on_caller+0xc0/0x310 [ 244.984739] ? retint_kernel+0x2d/0x2d [ 244.988637] ? trace_hardirqs_on_caller+0xc0/0x310 [ 244.993576] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 244.998329] ? trace_hardirqs_off+0x310/0x310 [ 245.002826] ? retint_kernel+0x1b/0x2d [ 245.006756] ? lock_acquire+0x1ed/0x520 [ 245.010837] ? bpf_test_run+0x3cb/0x780 [ 245.014820] ? lock_downgrade+0x900/0x900 [ 245.018978] ? lock_release+0x970/0x970 [ 245.022952] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 245.028763] ? preempt_schedule_common+0x1f/0xd0 [ 245.033529] ? preempt_schedule+0x4d/0x60 [ 245.037705] ? ___preempt_schedule+0x16/0x18 [ 245.042129] ? bpf_test_run+0x25d/0x780 [ 245.046111] ? netlink_diag_dump+0x2a0/0x2a0 [ 245.050534] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 245.056098] ? bpf_test_init.isra.9+0x70/0x100 [ 245.060688] ? bpf_prog_test_run_skb+0x634/0xb40 [ 245.065445] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 245.070285] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 245.075819] ? fput+0x130/0x1a0 [ 245.079099] ? __bpf_prog_get+0x9b/0x290 [ 245.083159] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 245.087996] ? bpf_prog_test_run+0x130/0x1a0 [ 245.092427] ? __x64_sys_bpf+0x3d8/0x510 [ 245.096482] ? bpf_prog_get+0x20/0x20 [ 245.100300] ? __x64_sys_futex+0x4bc/0x6a0 [ 245.104557] ? do_syscall_64+0x1b9/0x820 [ 245.108616] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 245.113977] ? syscall_return_slowpath+0x5e0/0x5e0 [ 245.118907] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 245.123760] ? trace_hardirqs_on_caller+0x310/0x310 [ 245.128777] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 245.133822] ? prepare_exit_to_usermode+0x291/0x3b0 [ 245.138839] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 245.143686] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 245.149065] warn_alloc_show_mem: 1 callbacks suppressed [ 245.149077] CPU: 1 PID: 5806 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #119 [ 245.149079] Mem-Info: [ 245.149108] active_anon:46475 inactive_anon:4207 isolated_anon:0 [ 245.149108] active_file:17 inactive_file:13 isolated_file:0 [ 245.149108] unevictable:0 dirty:0 writeback:0 unstable:0 [ 245.149108] slab_reclaimable:8782 slab_unreclaimable:1485678 [ 245.149108] mapped:8194 shmem:4214 pagetables:396 bounce:0 [ 245.149108] free:13756 free_pcp:276 free_cma:0 [ 245.154456] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 245.161469] Node 0 active_anon:185900kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32776kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 245.163868] Call Trace: [ 245.196818] Node 0 [ 245.206156] [ 245.233929] 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 [ 245.236482] dump_stack+0x1c4/0x2b4 [ 245.238704] lowmem_reserve[]: [ 245.240868] ? dump_stack_print_info.cold.2+0x52/0x52 [ 245.266351] 0 [ 245.269977] warn_alloc.cold.119+0xb7/0x1bd [ 245.273049] 2819 [ 245.278231] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 245.280007] 6323 [ 245.284319] ? lock_downgrade+0x900/0x900 [ 245.286356] 6323 [ 245.291192] ? trace_hardirqs_off+0xb8/0x310 [ 245.297367] ? trace_hardirqs_off+0xb8/0x310 [ 245.299406] Node 0 [ 245.303810] __alloc_pages_slowpath+0x2667/0x2d80 [ 245.308247] DMA32 free:25168kB min:30060kB low:37572kB high:45084kB active_anon:10240kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 245.310471] ? warn_alloc+0x120/0x120 [ 245.315275] lowmem_reserve[]: [ 245.342523] ? trace_hardirqs_on+0x310/0x310 [ 245.346303] 0 [ 245.349404] ? warn_alloc+0x120/0x120 [ 245.353788] 0 [ 245.355586] ? warn_alloc+0x120/0x120 [ 245.359358] 3503 [ 245.361171] ? ktime_get+0x2e1/0x440 [ 245.364944] 3503 [ 245.367005] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.372770] ? check_preemption_disabled+0x48/0x200 [ 245.378292] Node 0 [ 245.383298] ? kasan_check_read+0x11/0x20 [ 245.383329] Normal free:13948kB min:37352kB low:46688kB high:56024kB active_anon:175660kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5056kB pagetables:1584kB bounce:0kB free_pcp:856kB local_pcp:320kB free_cma:0kB [ 245.383351] lowmem_reserve[]: [ 245.385598] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 245.389720] 0 [ 245.418186] ? should_fail+0x22d/0xd01 [ 245.421262] 0 [ 245.426790] ? rcu_bh_qs+0xc0/0xc0 [ 245.428565] 0 [ 245.432443] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 245.434219] 0 [ 245.437756] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 245.437772] ? should_fail+0x22d/0xd01 [ 245.444662] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 245.446438] Node 0 [ 245.451967] ? should_fail+0x22d/0xd01 [ 245.455828] DMA: [ 245.460926] ? rcu_idle_enter+0x4b0/0x4b0 [ 245.463141] 1*4kB [ 245.467017] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 245.469052] (U) [ 245.473210] ? mark_held_locks+0x130/0x130 [ 245.475330] 0*8kB [ 245.480436] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.482411] 0*16kB [ 245.486643] ? mark_held_locks+0x130/0x130 [ 245.488769] 1*32kB [ 245.494298] ? rcu_irq_exit+0xce/0x100 [ 245.496511] (U) [ 245.500764] ? irq_exit+0xbd/0x1c0 [ 245.502974] 2*64kB [ 245.506857] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 245.508806] (U) [ 245.512341] ? do_raw_spin_unlock+0xa7/0x2f0 [ 245.514576] 1*128kB [ 245.519581] ? smp_call_function_single_interrupt+0x650/0x650 [ 245.521530] (U) [ 245.525936] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.528232] 1*256kB [ 245.534112] ? ret_from_intr+0xb/0x1e [ 245.536060] (U) [ 245.541620] ? retint_kernel+0x2d/0x2d [ 245.543921] 0*512kB [ 245.547713] ? trace_hardirqs_on_caller+0xc0/0x310 [ 245.549693] 1*1024kB [ 245.553577] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 245.555873] (U) [ 245.560800] ? trace_hardirqs_off+0x310/0x310 [ 245.563214] 1*2048kB [ 245.567964] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 245.569914] (M) [ 245.574410] __alloc_pages_nodemask+0xa80/0xde0 [ 245.576795] 3*4096kB [ 245.581891] ? should_fail+0x22d/0xd01 [ 245.583841] (M) [ 245.588502] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 245.590896] = 15908kB [ 245.594783] ? ____cache_alloc_node+0x1c7/0x1e0 [ 245.596723] Node 0 [ 245.601749] ? lock_downgrade+0x900/0x900 [ 245.604137] DMA32: [ 245.608799] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.611012] 2*4kB [ 245.615166] cache_grow_begin+0x91/0x8c0 [ 245.617375] (M) [ 245.622906] ? do_raw_spin_unlock+0xa7/0x2f0 [ 245.625030] 1*8kB [ 245.629080] fallback_alloc+0x203/0x2e0 [ 245.631038] (M) [ 245.635464] ____cache_alloc_node+0x1c7/0x1e0 [ 245.637587] 2*16kB [ 245.641563] kmem_cache_alloc_node+0xe3/0x730 [ 245.643517] (M) [ 245.648004] ? ipv6_get_ifaddr+0x42e/0x620 [ 245.650220] 3*32kB [ 245.654721] __alloc_skb+0x119/0x770 [ 245.656674] (MH) [ 245.660898] ? skb_scrub_packet+0x490/0x490 [ 245.663108] 5*64kB [ 245.666824] ? lock_downgrade+0x900/0x900 [ 245.668862] (MH) [ 245.673176] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.675384] 3*128kB [ 245.679524] ? refcount_sub_and_test_checked+0x203/0x310 [ 245.681559] (M) [ 245.687086] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 245.689385] 5*256kB [ 245.694827] ? addrconf_rs_timer+0x690/0x690 [ 245.696781] (UMH) [ 245.702220] ndisc_alloc_skb+0x144/0x340 [ 245.704529] 5*512kB [ 245.708936] ndisc_send_rs+0x331/0x6e0 [ 245.711062] (UMH) [ 245.715110] addrconf_rs_timer+0x314/0x690 [ 245.717411] 4*1024kB [ 245.721284] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.723410] (UMH) [ 245.727640] call_timer_fn+0x272/0x920 [ 245.730027] 2*2048kB (M) [ 245.734263] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.736388] 3*4096kB [ 245.740273] ? process_timeout+0x40/0x40 [ 245.743004] (M) [ 245.747234] ? trace_hardirqs_off+0xb8/0x310 [ 245.749617] = 25168kB [ 245.753668] ? kasan_check_read+0x11/0x20 [ 245.755620] Node 0 [ 245.760022] ? do_raw_spin_unlock+0xa7/0x2f0 [ 245.762409] Normal: [ 245.766550] ? trace_hardirqs_on+0x310/0x310 [ 245.768768] 1081*4kB [ 245.773171] ? __run_timers+0x7da/0xc70 [ 245.775483] (UMEH) [ 245.779882] ? lock_downgrade+0x900/0x900 [ 245.782265] 387*8kB [ 245.786231] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 245.788450] (ME) [ 245.792587] ? trace_hardirqs_on+0xbd/0x310 [ 245.794885] 152*16kB [ 245.799975] ? kasan_check_read+0x11/0x20 [ 245.802014] (UME) [ 245.806331] ? __run_timers+0x7da/0xc70 [ 245.808725] 54*32kB [ 245.812873] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 245.814996] (UME) [ 245.818966] ? kasan_check_write+0x14/0x20 [ 245.821267] 21*64kB [ 245.826706] ? do_raw_spin_lock+0xc1/0x200 [ 245.828828] (UM) [ 245.833086] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.835393] 0*128kB [ 245.839614] __run_timers+0x7e5/0xc70 [ 245.841656] 0*256kB [ 245.845894] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 245.848190] 2*512kB [ 245.851982] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 245.854280] (U) [ 245.859635] ? timerqueue_add+0x207/0x2b0 [ 245.861934] 0*1024kB [ 245.866944] ? enqueue_hrtimer+0x1a5/0x560 [ 245.868897] 0*2048kB [ 245.873036] ? lock_release+0x970/0x970 [ 245.875421] 0*4096kB [ 245.879693] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 245.882077] = 13948kB [ 245.886054] ? check_preemption_disabled+0x48/0x200 [ 245.888444] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 245.893615] ? kasan_check_write+0x14/0x20 [ 245.896019] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 245.901020] ? pvclock_read_flags+0x160/0x160 [ 245.909830] 4244 total pagecache pages [ 245.914054] ? lock_downgrade+0x900/0x900 [ 245.922603] 0 pages in swap cache [ 245.927108] ? trace_hardirqs_on+0xbd/0x310 [ 245.930972] Swap cache stats: add 0, delete 0, find 0/0 [ 245.935123] ? kvm_sched_clock_read+0x9/0x20 [ 245.938551] Free swap = 0kB [ 245.942871] ? irq_exit+0x17f/0x1c0 [ 245.948204] Total swap = 0kB [ 245.952713] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.955726] 1965979 pages RAM [ 245.959351] ? check_preemption_disabled+0x48/0x200 [ 245.962344] 0 pages HighMem/MovableOnly [ 245.967878] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.970963] 342307 pages reserved [ 245.975975] run_timer_softirq+0x52/0xb0 [ 245.979925] 0 pages cma reserved [ 245.985455] ? __this_cpu_preempt_check+0x1c/0x1f [ 245.988940] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 245.992940] __do_softirq+0x30b/0xad8 [ 245.996345] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 246.001131] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 246.007620] syz-executor2 cpuset= [ 246.011420] ? pvclock_read_flags+0x160/0x160 [ 246.021881] syz2 [ 246.026972] ? lapic_next_event+0x5a/0x90 [ 246.030399] mems_allowed=0 [ 246.034916] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.049544] ? clockevents_program_event+0x140/0x370 [ 246.054643] ? kvm_clock_read+0x18/0x30 [ 246.058611] ? kvm_sched_clock_read+0x9/0x20 [ 246.063027] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.068553] ? check_preemption_disabled+0x48/0x200 [ 246.073580] irq_exit+0x17f/0x1c0 [ 246.077041] smp_apic_timer_interrupt+0x1cb/0x760 [ 246.081908] ? smp_reschedule_interrupt+0x109/0x650 [ 246.086966] ? smp_call_function_single_interrupt+0x650/0x650 [ 246.092904] ? interrupt_entry+0xb5/0xf0 [ 246.096983] ? trace_hardirqs_off_caller+0xbb/0x310 [ 246.102028] ? trace_hardirqs_off_caller+0xbb/0x310 [ 246.107039] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 246.111877] ? trace_hardirqs_on_caller+0x310/0x310 [ 246.116897] ? trace_hardirqs_on_caller+0x310/0x310 [ 246.121927] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 246.127461] ? check_preemption_disabled+0x48/0x200 [ 246.132472] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 246.138011] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 246.142864] apic_timer_interrupt+0xf/0x20 [ 246.147100] [ 246.149363] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 246.154550] Code: 00 e8 97 f5 a3 f9 e8 d2 63 d3 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d 24 75 80 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d fa 74 [ 246.173446] RSP: 0000:ffff8801bbdd6150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 246.181154] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 246.188419] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe740 [ 246.195680] RBP: ffff8801bbdd6178 R08: ffff8801d838c080 R09: ffffed003b5e5979 [ 246.202955] R10: ffffed003b5e5979 R11: ffff8801daf2cbcb R12: dffffc0000000000 [ 246.210217] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 246.217498] ? trace_hardirqs_on+0x9a/0x310 [ 246.221849] ? trace_hardirqs_on+0xb4/0x310 [ 246.226176] retint_kernel+0x1b/0x2d [ 246.229887] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 246.235163] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 21 17 fa 48 83 3d 99 9c 86 01 00 75 07 e8 9a 7f d3 f9 0f 0b e8 93 7f d3 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 21 17 fa 4c 8b 45 d0 e9 [ 246.254071] RSP: 0000:ffff8801bbdd6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 246.261793] RAX: ffff8801d838c080 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 246.269058] RDX: 0000000000000000 RSI: ffffffff87ab55fd RDI: 0000000000000293 [ 246.276332] RBP: ffff8801bbdd6240 R08: ffff8801d838c080 R09: fffffbfff13d9700 [ 246.283692] R10: fffffbfff13d9700 R11: 0000000000000003 R12: 0000000000000293 [ 246.290967] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff8931f280 [ 246.298270] ? trace_hardirqs_on+0x9a/0x310 [ 246.302592] ? arch_local_irq_restore+0x45/0x52 [ 246.307281] dump_stack+0x26a/0x2b4 [ 246.310909] ? dump_stack_print_info.cold.2+0x52/0x52 [ 246.316100] ? mark_held_locks+0x130/0x130 [ 246.320330] ? mark_held_locks+0x130/0x130 [ 246.324578] dump_header+0x27b/0xf72 [ 246.328289] ? rcu_read_unlock+0x16/0x60 [ 246.332353] ? pagefault_out_of_memory+0x197/0x197 [ 246.337283] ? mark_held_locks+0x130/0x130 [ 246.341512] ? percpu_ref_put_many+0x13e/0x260 [ 246.346114] ? mem_cgroup_charge_statistics+0x780/0x780 [ 246.351479] ? mem_cgroup_iter+0x1f7/0x1160 [ 246.355804] ? mark_held_locks+0x130/0x130 [ 246.360046] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.365579] ? task_will_free_mem+0x239/0xb30 [ 246.370090] ? ___ratelimit+0x36f/0x655 [ 246.374062] ? lock_downgrade+0x900/0x900 [ 246.378215] ? trace_hardirqs_on+0xbd/0x310 [ 246.382538] ? kasan_check_read+0x11/0x20 [ 246.386681] ? ___ratelimit+0x36f/0x655 [ 246.390657] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 246.396124] ? trace_hardirqs_on+0x310/0x310 [ 246.400534] ? lock_downgrade+0x900/0x900 [ 246.404682] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 246.409803] ? ___ratelimit+0xaa/0x655 [ 246.413687] ? idr_get_free+0xec0/0xec0 [ 246.417657] ? kasan_check_write+0x14/0x20 [ 246.421904] ? do_raw_spin_lock+0xc1/0x200 [ 246.426145] oom_kill_process.cold.27+0x10/0x903 [ 246.430900] ? lock_downgrade+0x900/0x900 [ 246.435080] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 246.440878] ? oom_evaluate_task+0x540/0x540 [ 246.445310] ? shrink_node+0x16b0/0x16b0 [ 246.449374] ? oom_unkillable_task+0x383/0x580 [ 246.453953] ? out_of_memory+0x974/0x1430 [ 246.458103] ? lock_downgrade+0x900/0x900 [ 246.462258] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 246.468063] ? __cpuset_node_allowed+0x19b/0x660 [ 246.472826] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 246.478357] ? oom_evaluate_task+0x302/0x540 [ 246.482773] out_of_memory+0xa84/0x1430 [ 246.486758] ? oom_killer_disable+0x3a0/0x3a0 [ 246.491261] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 246.496202] ? __mutex_add_waiter+0x2a0/0x2a0 [ 246.500717] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 246.505744] ? find_next_bit+0x104/0x130 [ 246.509809] __alloc_pages_slowpath+0x2318/0x2d80 [ 246.514666] ? warn_alloc+0x120/0x120 [ 246.518478] ? __radix_tree_lookup+0x4c0/0x4c0 [ 246.523068] ? find_get_entry+0x2f2/0xc40 [ 246.527222] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 246.532166] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 246.537717] ? should_fail+0x22d/0xd01 [ 246.541615] ? ___might_sleep+0x1ed/0x300 [ 246.545766] ? lock_release+0x970/0x970 [ 246.549748] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 246.554878] ? debug_smp_processor_id+0x1c/0x20 [ 246.559551] ? __might_sleep+0x95/0x190 [ 246.563543] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 246.568387] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 246.573409] ? lock_downgrade+0x900/0x900 [ 246.577560] ? ___might_sleep+0x1ed/0x300 [ 246.581707] ? lock_release+0x970/0x970 [ 246.585690] ? arch_local_save_flags+0x40/0x40 [ 246.590320] ? finish_task_switch+0x1f5/0x900 [ 246.594817] ? __might_sleep+0x95/0x190 [ 246.598810] __alloc_pages_nodemask+0xa80/0xde0 [ 246.603486] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 246.608506] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 246.614299] ? kasan_check_write+0x14/0x20 [ 246.618530] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 246.623204] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.628746] ? __do_page_cache_readahead+0x7ce/0x980 [ 246.633859] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 246.639400] alloc_pages_current+0x10c/0x210 [ 246.643813] ? lock_downgrade+0x900/0x900 [ 246.647962] __page_cache_alloc+0x38f/0x5b0 [ 246.652283] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 246.658081] ? ext4_filemap_fault+0x82/0xad [ 246.662404] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 246.667074] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 246.672608] ? check_preemption_disabled+0x48/0x200 [ 246.677629] filemap_fault+0x1594/0x25f0 [ 246.681704] ? __lock_page_or_retry+0xa00/0xa00 [ 246.686377] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 246.692195] ? unwind_dump+0x190/0x190 [ 246.696130] ? is_bpf_text_address+0xd3/0x170 [ 246.700629] ? filemap_map_pages+0xdea/0x1980 [ 246.705147] ? find_get_pages_range_tag+0x1320/0x1320 [ 246.710371] ? save_stack+0xa9/0xd0 [ 246.713995] ? save_stack+0x43/0xd0 [ 246.717617] ? __kasan_slab_free+0x102/0x150 [ 246.722022] ? __sigqueue_free.part.27+0x7d/0xa0 [ 246.726785] ? __dequeue_signal+0x530/0x7d0 [ 246.731107] ? dequeue_signal+0x26c/0x630 [ 246.735260] ? get_signal+0x3ec/0x1980 [ 246.739161] ? do_signal+0x9c/0x21e0 [ 246.742875] ? exit_to_usermode_loop+0x2e5/0x380 [ 246.747631] ? mark_held_locks+0x130/0x130 [ 246.751862] ? trace_hardirqs_on+0x310/0x310 [ 246.756276] ? lock_acquire+0x1ed/0x520 [ 246.760254] ? ext4_filemap_fault+0x7a/0xad [ 246.764609] ? lock_release+0x970/0x970 [ 246.768583] ? arch_local_save_flags+0x40/0x40 [ 246.773167] ? mark_held_locks+0x130/0x130 [ 246.777403] ? trace_hardirqs_off+0xb8/0x310 [ 246.781815] ? down_read+0xb0/0x1d0 [ 246.785442] ? ext4_filemap_fault+0x7a/0xad [ 246.789768] ? __down_interruptible+0x700/0x700 [ 246.794435] ? kmem_cache_free+0x21a/0x290 [ 246.798668] ? __sigqueue_free.part.27+0x7d/0xa0 [ 246.803422] ? __dequeue_signal+0xf9/0x7d0 [ 246.807696] ext4_filemap_fault+0x82/0xad [ 246.811845] __do_fault+0x100/0x6b0 [ 246.815472] ? print_bad_pte+0x6c0/0x6c0 [ 246.819541] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 246.825097] ? pmd_val+0x88/0x100 [ 246.828567] ? add_mm_counter_fast+0xd0/0xd0 [ 246.832972] ? pmd_val+0x88/0x100 [ 246.836420] ? add_mm_counter_fast+0xd0/0xd0 [ 246.840825] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 246.846408] __handle_mm_fault+0x3709/0x53e0 [ 246.850822] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 246.855662] ? kasan_check_write+0x14/0x20 [ 246.859896] ? do_raw_spin_lock+0xc1/0x200 [ 246.864144] ? _raw_spin_unlock_irq+0x60/0x80 [ 246.868637] ? __set_current_blocked+0xe4/0x120 [ 246.873341] ? lock_acquire+0x1ed/0x520 [ 246.877314] ? handle_mm_fault+0x42a/0xc70 [ 246.881544] ? lock_downgrade+0x900/0x900 [ 246.885695] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 246.891495] ? __do_page_fault+0x67d/0xed0 [ 246.895727] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 246.901189] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 246.906724] ? check_preemption_disabled+0x48/0x200 [ 246.911764] handle_mm_fault+0x54f/0xc70 [ 246.915830] ? __handle_mm_fault+0x53e0/0x53e0 [ 246.920413] ? find_vma+0x34/0x190 [ 246.923954] __do_page_fault+0x67d/0xed0 [ 246.928017] ? mm_fault_error+0x380/0x380 [ 246.932167] ? syscall_slow_exit_work+0x520/0x520 [ 246.937011] do_page_fault+0xf2/0x7e0 [ 246.940811] ? vmalloc_sync_all+0x30/0x30 [ 246.944964] ? error_entry+0x70/0xd0 [ 246.948881] ? trace_hardirqs_off_caller+0xbb/0x310 [ 246.953904] ? trace_hardirqs_on_caller+0xc0/0x310 [ 246.958847] ? syscall_return_slowpath+0x5e0/0x5e0 [ 246.963786] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 246.968642] ? trace_hardirqs_on_caller+0x310/0x310 [ 246.973666] ? trace_hardirqs_off+0x310/0x310 [ 246.978193] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 246.983288] ? prepare_exit_to_usermode+0x291/0x3b0 [ 246.988309] ? page_fault+0x8/0x30 [ 246.991871] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 246.997153] ? page_fault+0x8/0x30 [ 247.000694] page_fault+0x1e/0x30 [ 247.004149] RIP: 0033:0x45db60 [ 247.007347] Code: Bad RIP value. [ 247.010707] RSP: 002b:000000c420049ab8 EFLAGS: 00010286 [ 247.016072] RAX: 0000000000000000 RBX: 000000c420026380 RCX: 000000000045ddf3 [ 247.023344] RDX: 000000c420049ac0 RSI: 000000c420049bf0 RDI: 0000000000000011 [ 247.030611] RBP: 000000c420022f08 R08: 0000000000000000 R09: 0000000000000000 [ 247.037881] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42005c168 [ 247.045145] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000 [ 247.052433] CPU: 0 PID: 7800 Comm: syz-executor2 Not tainted 4.19.0-rc6+ #119 [ 247.052481] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 247.059714] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 247.059718] Call Trace: [ 247.059724] [ 247.059755] dump_stack+0x1c4/0x2b4 [ 247.059772] ? dump_stack_print_info.cold.2+0x52/0x52 [ 247.066298] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 247.075616] warn_alloc.cold.119+0xb7/0x1bd [ 247.078684] syz-fuzzer cpuset= [ 247.080829] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 247.084427] / [ 247.089608] ? lock_downgrade+0x900/0x900 [ 247.099808] mems_allowed=0 [ 247.104119] ? trace_hardirqs_off+0xb8/0x310 [ 247.125317] ? trace_hardirqs_off+0xb8/0x310 [ 247.129720] __alloc_pages_slowpath+0x2667/0x2d80 [ 247.134585] ? warn_alloc+0x120/0x120 [ 247.138384] ? warn_alloc+0x120/0x120 [ 247.142185] ? warn_alloc+0x120/0x120 [ 247.145998] ? mark_held_locks+0x130/0x130 [ 247.150234] ? trace_hardirqs_on+0x310/0x310 [ 247.154635] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.160169] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 247.165731] ? should_fail+0x22d/0xd01 [ 247.169629] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 247.174728] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 247.180269] ? should_fail+0x22d/0xd01 [ 247.184154] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 247.189256] ? should_fail+0x22d/0xd01 [ 247.193138] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 247.198240] ? mark_held_locks+0x130/0x130 [ 247.202473] ? mark_held_locks+0x130/0x130 [ 247.206726] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.212275] ? trace_hardirqs_off+0xb8/0x310 [ 247.216676] ? kasan_check_read+0x11/0x20 [ 247.220834] ? do_raw_spin_unlock+0xa7/0x2f0 [ 247.225239] ? trace_hardirqs_on+0x310/0x310 [ 247.229640] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.235172] ? wq_watchdog_touch+0x9c/0xfe [ 247.239404] ? io_serial_in+0x11/0x90 [ 247.243211] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.248757] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 247.253864] __alloc_pages_nodemask+0xa80/0xde0 [ 247.258528] ? should_fail+0x22d/0xd01 [ 247.262422] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 247.267461] ? ____cache_alloc_node+0x1c7/0x1e0 [ 247.272126] ? lock_downgrade+0x900/0x900 [ 247.276289] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.281850] cache_grow_begin+0x91/0x8c0 [ 247.285911] ? do_raw_spin_unlock+0xa7/0x2f0 [ 247.290320] fallback_alloc+0x203/0x2e0 [ 247.294340] ____cache_alloc_node+0x1c7/0x1e0 [ 247.298839] kmem_cache_alloc_node+0xe3/0x730 [ 247.303345] ? ipv6_get_ifaddr+0x42e/0x620 [ 247.307612] __alloc_skb+0x119/0x770 [ 247.311359] ? skb_scrub_packet+0x490/0x490 [ 247.315721] ? lock_downgrade+0x900/0x900 [ 247.319881] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.325422] ? refcount_sub_and_test_checked+0x203/0x310 [ 247.330880] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 247.336332] ? addrconf_rs_timer+0x690/0x690 [ 247.340762] ndisc_alloc_skb+0x144/0x340 [ 247.344826] ndisc_send_rs+0x331/0x6e0 [ 247.348723] addrconf_rs_timer+0x314/0x690 [ 247.352969] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.357212] call_timer_fn+0x272/0x920 [ 247.361095] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.365329] ? process_timeout+0x40/0x40 [ 247.369389] ? trace_hardirqs_off+0xb8/0x310 [ 247.373796] ? kasan_check_read+0x11/0x20 [ 247.377944] ? do_raw_spin_unlock+0xa7/0x2f0 [ 247.382350] ? trace_hardirqs_on+0x310/0x310 [ 247.386770] ? __run_timers+0x7da/0xc70 [ 247.390764] ? lock_downgrade+0x900/0x900 [ 247.394916] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 247.400019] ? trace_hardirqs_on+0xbd/0x310 [ 247.404335] ? kasan_check_read+0x11/0x20 [ 247.408484] ? __run_timers+0x7da/0xc70 [ 247.412456] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 247.417921] ? kasan_check_write+0x14/0x20 [ 247.422257] ? do_raw_spin_lock+0xc1/0x200 [ 247.426518] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.430789] __run_timers+0x7e5/0xc70 [ 247.434606] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 247.439972] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 247.444986] ? timerqueue_add+0x207/0x2b0 [ 247.449148] ? enqueue_hrtimer+0x1a5/0x560 [ 247.453377] ? lock_release+0x970/0x970 [ 247.457348] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 247.462536] ? kasan_check_write+0x14/0x20 [ 247.466789] ? pvclock_read_flags+0x160/0x160 [ 247.471288] ? lock_downgrade+0x900/0x900 [ 247.475440] ? trace_hardirqs_on+0xbd/0x310 [ 247.479766] ? kvm_sched_clock_read+0x9/0x20 [ 247.484167] ? irq_exit+0x17f/0x1c0 [ 247.487848] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.493381] ? check_preemption_disabled+0x48/0x200 [ 247.498406] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.503957] run_timer_softirq+0x52/0xb0 [ 247.508013] ? __this_cpu_preempt_check+0x1c/0x1f [ 247.512871] __do_softirq+0x30b/0xad8 [ 247.516671] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 247.521787] ? pvclock_read_flags+0x160/0x160 [ 247.526291] ? lapic_next_event+0x5a/0x90 [ 247.530449] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.535987] ? clockevents_program_event+0x140/0x370 [ 247.541108] ? kvm_clock_read+0x18/0x30 [ 247.545085] ? kvm_sched_clock_read+0x9/0x20 [ 247.549497] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.555030] ? check_preemption_disabled+0x48/0x200 [ 247.560063] irq_exit+0x17f/0x1c0 [ 247.563525] smp_apic_timer_interrupt+0x1cb/0x760 [ 247.568371] ? smp_reschedule_interrupt+0x109/0x650 [ 247.573384] ? smp_call_function_single_interrupt+0x650/0x650 [ 247.579264] ? interrupt_entry+0xb5/0xf0 [ 247.583323] ? trace_hardirqs_off_caller+0xbb/0x310 [ 247.588337] ? trace_hardirqs_off_caller+0xbb/0x310 [ 247.593352] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 247.598214] ? trace_hardirqs_on_caller+0x310/0x310 [ 247.603241] ? trace_hardirqs_on_caller+0x310/0x310 [ 247.608251] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.613835] ? check_preemption_disabled+0x48/0x200 [ 247.618848] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 247.623695] apic_timer_interrupt+0xf/0x20 [ 247.627918] [ 247.630161] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 247.636047] Code: 3f 7e 0f 85 32 ff ff ff e8 53 4a 3e ff e9 28 ff ff ff e8 ba ad c2 ff 48 83 3d 0a bf 6f 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 62 23 [ 247.654946] RSP: 0018:ffff88019a29f4a8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 247.662657] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000627e000 [ 247.669927] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 247.677236] RBP: ffff88019a29f520 R08: ffff8801ba14e480 R09: fffffbfff12720c0 [ 247.684620] R10: ffff88019a29e0f0 R11: ffffffff89390603 R12: ffff8801da800ac0 [ 247.691899] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286 [ 247.699179] ? trace_hardirqs_on+0xb4/0x310 [ 247.703506] ? save_stack+0xa9/0xd0 [ 247.707142] __kmalloc_node_track_caller+0x33/0x70 [ 247.712078] __kmalloc_reserve.isra.39+0xcc/0xe0 [ 247.716835] pskb_expand_head+0x230/0x10f0 [ 247.721066] ? lock_downgrade+0x900/0x900 [ 247.725212] ? check_preemption_disabled+0x48/0x200 [ 247.730242] ? memcpy+0x45/0x50 [ 247.733519] ? __copy_skb_header+0x350/0x6b0 [ 247.737925] ? __pskb_copy_fclone+0xeb0/0xeb0 [ 247.742427] ? skb_checksum+0x140/0x140 [ 247.746407] ? trace_hardirqs_on+0xbd/0x310 [ 247.750732] ? skb_clone+0x1bb/0x500 [ 247.754462] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 247.759914] ? kasan_unpoison_shadow+0x35/0x50 [ 247.764523] ? kasan_check_write+0x14/0x20 [ 247.768764] ? __skb_clone+0x6c7/0xa00 [ 247.772674] ? __copy_skb_header+0x6b0/0x6b0 [ 247.777102] ? kmem_cache_alloc+0x306/0x730 [ 247.781435] skb_ensure_writable+0x3dd/0x640 [ 247.785844] ? skb_cow_data+0xf10/0xf10 [ 247.789817] ? check_preemption_disabled+0x48/0x200 [ 247.794845] ? __this_cpu_preempt_check+0x1c/0x1f [ 247.799710] ? __bpf_redirect+0x54b/0xb20 [ 247.803870] ? __switch_to_asm+0x34/0x70 [ 247.807933] bpf_clone_redirect+0x14a/0x490 [ 247.812260] bpf_prog_3d1649e183dc2cc1+0xca3/0x1000 [ 247.817304] ? __sched_text_start+0x8/0x8 [ 247.821453] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 247.826221] ? retint_kernel+0x2d/0x2d [ 247.830135] ? trace_hardirqs_on_caller+0xc0/0x310 [ 247.835054] ? retint_kernel+0x2d/0x2d [ 247.838949] ? trace_hardirqs_on_caller+0xc0/0x310 [ 247.843879] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 247.848662] ? trace_hardirqs_off+0x310/0x310 [ 247.853186] ? retint_kernel+0x1b/0x2d [ 247.857094] ? lock_acquire+0x1ed/0x520 [ 247.861097] ? bpf_test_run+0x3cb/0x780 [ 247.865064] ? lock_downgrade+0x900/0x900 [ 247.869207] ? lock_release+0x970/0x970 [ 247.873180] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 247.878993] ? preempt_schedule_common+0x1f/0xd0 [ 247.883756] ? preempt_schedule+0x4d/0x60 [ 247.887901] ? ___preempt_schedule+0x16/0x18 [ 247.892310] ? bpf_test_run+0x25d/0x780 [ 247.896300] ? netlink_diag_dump+0x2a0/0x2a0 [ 247.900708] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 247.906250] ? bpf_test_init.isra.9+0x70/0x100 [ 247.910841] ? bpf_prog_test_run_skb+0x634/0xb40 [ 247.915618] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 247.920459] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 247.925997] ? fput+0x130/0x1a0 [ 247.929274] ? __bpf_prog_get+0x9b/0x290 [ 247.933334] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 247.938177] ? bpf_prog_test_run+0x130/0x1a0 [ 247.942583] ? __x64_sys_bpf+0x3d8/0x510 [ 247.946657] ? bpf_prog_get+0x20/0x20 [ 247.950475] ? __x64_sys_futex+0x4bc/0x6a0 [ 247.954753] ? do_syscall_64+0x1b9/0x820 [ 247.958811] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 247.964179] ? syscall_return_slowpath+0x5e0/0x5e0 [ 247.969105] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 247.973947] ? trace_hardirqs_on_caller+0x310/0x310 [ 247.978961] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 247.983977] ? prepare_exit_to_usermode+0x291/0x3b0 [ 247.988996] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 247.993849] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 247.999214] warn_alloc_show_mem: 1 callbacks suppressed [ 247.999227] CPU: 1 PID: 5806 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #119 [ 247.999228] Mem-Info: [ 247.999257] active_anon:46475 inactive_anon:4207 isolated_anon:0 [ 247.999257] active_file:17 inactive_file:13 isolated_file:0 [ 247.999257] unevictable:0 dirty:0 writeback:0 unstable:0 [ 247.999257] slab_reclaimable:8782 slab_unreclaimable:1485678 [ 247.999257] mapped:8194 shmem:4214 pagetables:396 bounce:0 [ 247.999257] free:13756 free_pcp:276 free_cma:0 [ 248.004605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 248.011632] Node 0 active_anon:185900kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32776kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 248.014035] Call Trace: [ 248.046991] Node 0 [ 248.056360] [ 248.084130] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 248.086703] dump_stack+0x1c4/0x2b4 [ 248.088914] lowmem_reserve[]: [ 248.091084] ? dump_stack_print_info.cold.2+0x52/0x52 [ 248.116577] 0 [ 248.120198] warn_alloc.cold.119+0xb7/0x1bd [ 248.123276] 2819 [ 248.128467] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 248.130265] 6323 6323 [ 248.134588] ? lock_downgrade+0x900/0x900 [ 248.141455] ? trace_hardirqs_off+0xb8/0x310 [ 248.143924] Node 0 [ 248.148072] ? trace_hardirqs_off+0xb8/0x310 [ 248.152472] DMA32 free:25168kB min:30060kB low:37572kB high:45084kB active_anon:10240kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 248.154679] __alloc_pages_slowpath+0x2667/0x2d80 [ 248.159062] lowmem_reserve[]: [ 248.186302] ? warn_alloc+0x120/0x120 [ 248.191106] 0 [ 248.194217] ? warn_alloc+0x120/0x120 [ 248.197993] 0 [ 248.199790] ? warn_alloc+0x120/0x120 [ 248.203566] 3503 [ 248.205364] ? mark_held_locks+0x130/0x130 [ 248.209137] 3503 [ 248.211193] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.217452] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 248.222962] Node 0 [ 248.228493] ? should_fail+0x22d/0xd01 [ 248.228526] Normal free:13948kB min:37352kB low:46688kB high:56024kB active_anon:175660kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5056kB pagetables:1584kB bounce:0kB free_pcp:856kB local_pcp:320kB free_cma:0kB [ 248.230726] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 248.234642] lowmem_reserve[]: [ 248.263110] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 248.268192] 0 [ 248.271311] ? should_fail+0x22d/0xd01 [ 248.276818] 0 [ 248.278616] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 248.282479] 0 [ 248.284281] ? should_fail+0x22d/0xd01 [ 248.289358] 0 [ 248.291155] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 248.296811] ? mark_held_locks+0x130/0x130 [ 248.301892] Node 0 DMA: [ 248.306117] ? mark_held_locks+0x130/0x130 [ 248.306135] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.308781] 1*4kB [ 248.313005] ? trace_hardirqs_off+0xb8/0x310 [ 248.318517] (U) [ 248.320659] ? kasan_check_read+0x11/0x20 [ 248.325043] 0*8kB [ 248.327020] ? do_raw_spin_unlock+0xa7/0x2f0 [ 248.331158] 0*16kB [ 248.333300] ? trace_hardirqs_on+0x310/0x310 [ 248.337681] 1*32kB (U) [ 248.339921] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.344301] 2*64kB [ 248.346878] ? wq_watchdog_touch+0x9c/0xfe [ 248.352389] (U) [ 248.354624] ? io_serial_in+0x11/0x90 [ 248.358835] 1*128kB [ 248.360810] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.364586] (U) [ 248.366905] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 248.372417] 1*256kB [ 248.374392] __alloc_pages_nodemask+0xa80/0xde0 [ 248.379464] (U) [ 248.381785] ? should_fail+0x22d/0xd01 [ 248.386447] 0*512kB [ 248.388417] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 248.392280] 1*1024kB [ 248.394605] ? ____cache_alloc_node+0x1c7/0x1e0 [ 248.399608] (U) [ 248.402013] ? lock_downgrade+0x900/0x900 [ 248.406654] 1*2048kB [ 248.408624] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.412753] (M) [ 248.415161] cache_grow_begin+0x91/0x8c0 [ 248.420702] 3*4096kB [ 248.422698] ? do_raw_spin_unlock+0xa7/0x2f0 [ 248.426751] (M) [ 248.429155] fallback_alloc+0x203/0x2e0 [ 248.433539] = 15908kB [ 248.435511] ____cache_alloc_node+0x1c7/0x1e0 [ 248.439458] Node 0 [ 248.441864] kmem_cache_alloc_node+0xe3/0x730 [ 248.446341] DMA32: [ 248.448569] ? ipv6_get_ifaddr+0x42e/0x620 [ 248.453047] 2*4kB [ 248.455278] __alloc_skb+0x119/0x770 [ 248.459497] (M) [ 248.461642] ? skb_scrub_packet+0x490/0x490 [ 248.465327] 1*8kB [ 248.467294] ? lock_downgrade+0x900/0x900 [ 248.471589] (M) [ 248.473730] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.477865] 2*16kB [ 248.479838] ? refcount_sub_and_test_checked+0x203/0x310 [ 248.485340] (M) [ 248.487570] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 248.493023] 3*32kB [ 248.494990] ? addrconf_rs_timer+0x690/0x690 [ 248.500424] (MH) [ 248.502656] ndisc_alloc_skb+0x144/0x340 [ 248.507052] 5*64kB [ 248.509119] ndisc_send_rs+0x331/0x6e0 [ 248.513154] (MH) [ 248.515398] addrconf_rs_timer+0x314/0x690 [ 248.519254] 3*128kB (M) [ 248.521316] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 248.525528] 5*256kB [ 248.528193] call_timer_fn+0x272/0x920 [ 248.532396] (UMH) [ 248.534709] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 248.538570] 5*512kB [ 248.540708] ? process_timeout+0x40/0x40 [ 248.544927] (UMH) [ 248.547259] ? trace_hardirqs_off+0xb8/0x310 [ 248.551286] 4*1024kB [ 248.553425] ? kasan_check_read+0x11/0x20 [ 248.557821] (UMH) [ 248.560226] ? do_raw_spin_unlock+0xa7/0x2f0 [ 248.564354] 2*2048kB [ 248.566512] ? trace_hardirqs_on+0x310/0x310 [ 248.570909] (M) [ 248.573315] ? __run_timers+0x7da/0xc70 [ 248.577700] 3*4096kB [ 248.579671] ? lock_downgrade+0x900/0x900 [ 248.583617] (M) [ 248.586027] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 248.590146] = 25168kB [ 248.592117] ? trace_hardirqs_on+0xbd/0x310 [ 248.597194] Node 0 [ 248.599597] ? kasan_check_read+0x11/0x20 [ 248.603896] Normal: [ 248.606130] ? __run_timers+0x7da/0xc70 [ 248.610279] 1081*4kB [ 248.612594] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 248.616541] (UMEH) [ 248.618942] ? kasan_check_write+0x14/0x20 [ 248.624377] 387*8kB [ 248.626629] ? do_raw_spin_lock+0xc1/0x200 [ 248.630840] (ME) [ 248.633155] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 248.637365] 152*16kB [ 248.639447] __run_timers+0x7e5/0xc70 [ 248.643655] (UME) [ 248.646118] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 248.649902] 54*32kB [ 248.652059] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 248.657397] (UME) [ 248.659711] ? timerqueue_add+0x207/0x2b0 [ 248.664701] 21*64kB [ 248.666841] ? enqueue_hrtimer+0x1a5/0x560 [ 248.670963] (UM) [ 248.673280] ? lock_release+0x970/0x970 [ 248.677491] 0*128kB [ 248.679561] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 248.683526] 0*256kB [ 248.685843] ? check_preemption_disabled+0x48/0x200 [ 248.691016] 2*512kB [ 248.693334] ? kasan_check_write+0x14/0x20 [ 248.698324] (U) [ 248.700642] ? pvclock_read_flags+0x160/0x160 [ 248.704853] 0*1024kB [ 248.706821] ? lock_downgrade+0x900/0x900 [ 248.711291] 0*2048kB [ 248.713694] ? trace_hardirqs_on+0xbd/0x310 [ 248.717827] 0*4096kB [ 248.720244] ? kvm_sched_clock_read+0x9/0x20 [ 248.724538] = 13948kB [ 248.726954] ? irq_exit+0x17f/0x1c0 [ 248.731341] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 248.733754] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.737377] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 248.746196] ? check_preemption_disabled+0x48/0x200 [ 248.751711] 4244 total pagecache pages [ 248.760285] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.765273] 0 pages in swap cache [ 248.769153] run_timer_softirq+0x52/0xb0 [ 248.774665] Swap cache stats: add 0, delete 0, find 0/0 [ 248.778120] ? __this_cpu_preempt_check+0x1c/0x1f [ 248.782158] Free swap = 0kB [ 248.787514] __do_softirq+0x30b/0xad8 [ 248.792339] Total swap = 0kB [ 248.795350] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 248.799129] 1965979 pages RAM [ 248.802141] ? pvclock_read_flags+0x160/0x160 [ 248.807224] 0 pages HighMem/MovableOnly [ 248.810333] ? lapic_next_event+0x5a/0x90 [ 248.814804] 342307 pages reserved [ 248.818772] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.822898] 0 pages cma reserved [ 248.826343] ? clockevents_program_event+0x140/0x370 [ 248.831919] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 248.835214] ? kvm_clock_read+0x18/0x30 [ 248.840400] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 248.846782] ? kvm_sched_clock_read+0x9/0x20 [ 248.850745] syz-executor2 cpuset= [ 248.861223] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.865602] syz2 [ 248.869049] ? check_preemption_disabled+0x48/0x200 [ 248.874562] mems_allowed=0 [ 248.876529] irq_exit+0x17f/0x1c0 [ 248.887874] smp_apic_timer_interrupt+0x1cb/0x760 [ 248.892716] ? smp_reschedule_interrupt+0x109/0x650 [ 248.897746] ? smp_call_function_single_interrupt+0x650/0x650 [ 248.903652] ? interrupt_entry+0xb5/0xf0 [ 248.907714] ? trace_hardirqs_off_caller+0xbb/0x310 [ 248.912751] ? trace_hardirqs_off_caller+0xbb/0x310 [ 248.917787] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 248.922631] ? trace_hardirqs_on_caller+0x310/0x310 [ 248.927649] ? trace_hardirqs_on_caller+0x310/0x310 [ 248.932672] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 248.938210] ? check_preemption_disabled+0x48/0x200 [ 248.943222] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 248.948896] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 248.953747] apic_timer_interrupt+0xf/0x20 [ 248.957982] [ 248.960226] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 248.965412] Code: 00 e8 97 f5 a3 f9 e8 d2 63 d3 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d 24 75 80 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d fa 74 [ 248.984301] RSP: 0000:ffff8801bbdd6150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 248.992005] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 248.999267] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe740 [ 249.006531] RBP: ffff8801bbdd6178 R08: ffff8801d838c080 R09: ffffed003b5e5979 [ 249.013891] R10: ffffed003b5e5979 R11: ffff8801daf2cbcb R12: dffffc0000000000 [ 249.021155] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 249.028426] ? trace_hardirqs_on+0x9a/0x310 [ 249.032815] ? trace_hardirqs_on+0xb4/0x310 [ 249.037138] retint_kernel+0x1b/0x2d [ 249.040853] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 249.046135] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 21 17 fa 48 83 3d 99 9c 86 01 00 75 07 e8 9a 7f d3 f9 0f 0b e8 93 7f d3 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 21 17 fa 4c 8b 45 d0 e9 [ 249.065041] RSP: 0000:ffff8801bbdd6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 249.072752] RAX: ffff8801d838c080 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 249.080519] RDX: 0000000000000000 RSI: ffffffff87ab55fd RDI: 0000000000000293 [ 249.087780] RBP: ffff8801bbdd6240 R08: ffff8801d838c080 R09: fffffbfff13d9700 [ 249.095049] R10: fffffbfff13d9700 R11: 0000000000000003 R12: 0000000000000293 [ 249.102312] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff8931f280 [ 249.109584] ? trace_hardirqs_on+0x9a/0x310 [ 249.113903] ? arch_local_irq_restore+0x45/0x52 [ 249.118585] dump_stack+0x26a/0x2b4 [ 249.122208] ? dump_stack_print_info.cold.2+0x52/0x52 [ 249.127392] ? mark_held_locks+0x130/0x130 [ 249.131620] ? mark_held_locks+0x130/0x130 [ 249.135867] dump_header+0x27b/0xf72 [ 249.139624] ? rcu_read_unlock+0x16/0x60 [ 249.143686] ? pagefault_out_of_memory+0x197/0x197 [ 249.148611] ? mark_held_locks+0x130/0x130 [ 249.152841] ? percpu_ref_put_many+0x13e/0x260 [ 249.157418] ? mem_cgroup_charge_statistics+0x780/0x780 [ 249.162817] ? mem_cgroup_iter+0x1f7/0x1160 [ 249.167166] ? mark_held_locks+0x130/0x130 [ 249.171413] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.176943] ? task_will_free_mem+0x239/0xb30 [ 249.181445] ? ___ratelimit+0x36f/0x655 [ 249.185414] ? lock_downgrade+0x900/0x900 [ 249.189560] ? trace_hardirqs_on+0xbd/0x310 [ 249.193876] ? kasan_check_read+0x11/0x20 [ 249.198029] ? ___ratelimit+0x36f/0x655 [ 249.201995] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 249.207440] ? trace_hardirqs_on+0x310/0x310 [ 249.211844] ? lock_downgrade+0x900/0x900 [ 249.215995] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 249.221090] ? ___ratelimit+0xaa/0x655 [ 249.224971] ? idr_get_free+0xec0/0xec0 [ 249.228938] ? kasan_check_write+0x14/0x20 [ 249.233169] ? do_raw_spin_lock+0xc1/0x200 [ 249.237402] oom_kill_process.cold.27+0x10/0x903 [ 249.242178] ? lock_downgrade+0x900/0x900 [ 249.246323] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 249.252116] ? oom_evaluate_task+0x540/0x540 [ 249.256528] ? shrink_node+0x16b0/0x16b0 [ 249.260598] ? oom_unkillable_task+0x383/0x580 [ 249.265201] ? out_of_memory+0x974/0x1430 [ 249.269346] ? lock_downgrade+0x900/0x900 [ 249.273497] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 249.279307] ? __cpuset_node_allowed+0x19b/0x660 [ 249.284057] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 249.289600] ? oom_evaluate_task+0x302/0x540 [ 249.294007] out_of_memory+0xa84/0x1430 [ 249.298043] ? oom_killer_disable+0x3a0/0x3a0 [ 249.302538] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 249.307527] ? __mutex_add_waiter+0x2a0/0x2a0 [ 249.312040] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 249.317070] ? find_next_bit+0x104/0x130 [ 249.321162] __alloc_pages_slowpath+0x2318/0x2d80 [ 249.326032] ? warn_alloc+0x120/0x120 [ 249.329834] ? __radix_tree_lookup+0x4c0/0x4c0 [ 249.334422] ? find_get_entry+0x2f2/0xc40 [ 249.338586] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 249.343511] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 249.349052] ? should_fail+0x22d/0xd01 [ 249.352935] ? ___might_sleep+0x1ed/0x300 [ 249.357077] ? lock_release+0x970/0x970 [ 249.361068] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 249.366212] ? debug_smp_processor_id+0x1c/0x20 [ 249.370901] ? __might_sleep+0x95/0x190 [ 249.374878] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 249.379726] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 249.384756] ? lock_downgrade+0x900/0x900 [ 249.388908] ? ___might_sleep+0x1ed/0x300 [ 249.393056] ? lock_release+0x970/0x970 [ 249.397027] ? arch_local_save_flags+0x40/0x40 [ 249.401607] ? finish_task_switch+0x1f5/0x900 [ 249.406100] ? __might_sleep+0x95/0x190 [ 249.410087] __alloc_pages_nodemask+0xa80/0xde0 [ 249.414763] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 249.419785] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 249.425580] ? kasan_check_write+0x14/0x20 [ 249.429815] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 249.434482] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.440029] ? __do_page_cache_readahead+0x7ce/0x980 [ 249.445149] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 249.450684] alloc_pages_current+0x10c/0x210 [ 249.455087] ? lock_downgrade+0x900/0x900 [ 249.459254] __page_cache_alloc+0x38f/0x5b0 [ 249.463604] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 249.469398] ? ext4_filemap_fault+0x82/0xad [ 249.473716] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 249.478387] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 249.483918] ? check_preemption_disabled+0x48/0x200 [ 249.488941] filemap_fault+0x1594/0x25f0 [ 249.493019] ? __lock_page_or_retry+0xa00/0xa00 [ 249.497681] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 249.503470] ? unwind_dump+0x190/0x190 [ 249.507406] ? is_bpf_text_address+0xd3/0x170 [ 249.511913] ? filemap_map_pages+0xdea/0x1980 [ 249.516429] ? find_get_pages_range_tag+0x1320/0x1320 [ 249.521611] ? save_stack+0xa9/0xd0 [ 249.525241] ? save_stack+0x43/0xd0 [ 249.528882] ? __kasan_slab_free+0x102/0x150 [ 249.533300] ? __sigqueue_free.part.27+0x7d/0xa0 [ 249.538068] ? __dequeue_signal+0x530/0x7d0 [ 249.542396] ? dequeue_signal+0x26c/0x630 [ 249.546567] ? get_signal+0x3ec/0x1980 [ 249.550446] ? do_signal+0x9c/0x21e0 [ 249.554151] ? exit_to_usermode_loop+0x2e5/0x380 [ 249.558903] ? mark_held_locks+0x130/0x130 [ 249.563134] ? trace_hardirqs_on+0x310/0x310 [ 249.567540] ? lock_acquire+0x1ed/0x520 [ 249.571508] ? ext4_filemap_fault+0x7a/0xad [ 249.575843] ? lock_release+0x970/0x970 [ 249.579810] ? arch_local_save_flags+0x40/0x40 [ 249.584401] ? mark_held_locks+0x130/0x130 [ 249.588665] ? trace_hardirqs_off+0xb8/0x310 [ 249.593077] ? down_read+0xb0/0x1d0 [ 249.596700] ? ext4_filemap_fault+0x7a/0xad [ 249.601016] ? __down_interruptible+0x700/0x700 [ 249.605714] ? kmem_cache_free+0x21a/0x290 [ 249.609964] ? __sigqueue_free.part.27+0x7d/0xa0 [ 249.614727] ? __dequeue_signal+0xf9/0x7d0 [ 249.618969] ext4_filemap_fault+0x82/0xad [ 249.623114] __do_fault+0x100/0x6b0 [ 249.626750] ? print_bad_pte+0x6c0/0x6c0 [ 249.630825] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 249.636417] ? pmd_val+0x88/0x100 [ 249.639889] ? add_mm_counter_fast+0xd0/0xd0 [ 249.644292] ? pmd_val+0x88/0x100 [ 249.647757] ? add_mm_counter_fast+0xd0/0xd0 [ 249.652164] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 249.657699] __handle_mm_fault+0x3709/0x53e0 [ 249.662108] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 249.666944] ? kasan_check_write+0x14/0x20 [ 249.671173] ? do_raw_spin_lock+0xc1/0x200 [ 249.675406] ? _raw_spin_unlock_irq+0x60/0x80 [ 249.679898] ? __set_current_blocked+0xe4/0x120 [ 249.684564] ? lock_acquire+0x1ed/0x520 [ 249.688532] ? handle_mm_fault+0x42a/0xc70 [ 249.692765] ? lock_downgrade+0x900/0x900 [ 249.696911] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 249.702721] ? __do_page_fault+0x67d/0xed0 [ 249.706962] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 249.712409] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 249.717939] ? check_preemption_disabled+0x48/0x200 [ 249.722981] handle_mm_fault+0x54f/0xc70 [ 249.727073] ? __handle_mm_fault+0x53e0/0x53e0 [ 249.731651] ? find_vma+0x34/0x190 [ 249.735191] __do_page_fault+0x67d/0xed0 [ 249.739254] ? mm_fault_error+0x380/0x380 [ 249.743416] ? syscall_slow_exit_work+0x520/0x520 [ 249.748258] do_page_fault+0xf2/0x7e0 [ 249.752055] ? vmalloc_sync_all+0x30/0x30 [ 249.756197] ? error_entry+0x70/0xd0 [ 249.759910] ? trace_hardirqs_off_caller+0xbb/0x310 [ 249.764921] ? trace_hardirqs_on_caller+0xc0/0x310 [ 249.769893] ? syscall_return_slowpath+0x5e0/0x5e0 [ 249.774831] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 249.779666] ? trace_hardirqs_on_caller+0x310/0x310 [ 249.784672] ? trace_hardirqs_off+0x310/0x310 [ 249.789159] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 249.794171] ? prepare_exit_to_usermode+0x291/0x3b0 [ 249.799188] ? page_fault+0x8/0x30 [ 249.802723] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 249.807568] ? page_fault+0x8/0x30 [ 249.811119] page_fault+0x1e/0x30 [ 249.814568] RIP: 0033:0x45db60 [ 249.817762] Code: Bad RIP value. [ 249.821120] RSP: 002b:000000c420049ab8 EFLAGS: 00010286 [ 249.826475] RAX: 0000000000000000 RBX: 000000c420026380 RCX: 000000000045ddf3 [ 249.833752] RDX: 000000c420049ac0 RSI: 000000c420049bf0 RDI: 0000000000000011 [ 249.841033] RBP: 000000c420022f08 R08: 0000000000000000 R09: 0000000000000000 [ 249.848306] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42005c168 [ 249.855573] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000 [ 249.862849] CPU: 0 PID: 7800 Comm: syz-executor2 Not tainted 4.19.0-rc6+ #119 [ 249.862910] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 249.870121] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 249.870125] Call Trace: [ 249.870130] [ 249.870156] dump_stack+0x1c4/0x2b4 [ 249.870186] ? dump_stack_print_info.cold.2+0x52/0x52 [ 249.876719] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 249.886037] warn_alloc.cold.119+0xb7/0x1bd [ 249.888604] syz-fuzzer cpuset= [ 249.890788] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 249.894397] / [ 249.899576] ? lock_downgrade+0x900/0x900 [ 249.909775] mems_allowed=0 [ 249.914083] ? trace_hardirqs_off+0xb8/0x310 [ 249.935246] ? trace_hardirqs_off+0xb8/0x310 [ 249.939652] __alloc_pages_slowpath+0x2667/0x2d80 [ 249.944532] ? warn_alloc+0x120/0x120 [ 249.948327] ? trace_hardirqs_on+0x310/0x310 [ 249.952729] ? warn_alloc+0x120/0x120 [ 249.956536] ? warn_alloc+0x120/0x120 [ 249.960331] ? ktime_get+0x2e1/0x440 [ 249.964058] ? idle_cpu+0x1d0/0x1d0 [ 249.967699] ? kvm_sched_clock_read+0x9/0x20 [ 249.972105] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 249.977639] ? should_fail+0x22d/0xd01 [ 249.981527] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 249.986622] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 249.992148] ? should_fail+0x22d/0xd01 [ 249.996043] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 250.001136] ? should_fail+0x22d/0xd01 [ 250.005021] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 250.010117] ? mark_held_locks+0x130/0x130 [ 250.014346] ? mark_held_locks+0x130/0x130 [ 250.018575] ? select_task_rq_fair+0x754/0x3500 [ 250.023237] ? lock_downgrade+0x900/0x900 [ 250.027382] ? __cpu_to_node+0x7d/0xa0 [ 250.031268] ? account_entity_enqueue+0x3a3/0x660 [ 250.036109] ? __enqueue_entity+0x10d/0x1f0 [ 250.040425] ? check_preemption_disabled+0x48/0x200 [ 250.045438] __alloc_pages_nodemask+0xa80/0xde0 [ 250.050108] ? should_fail+0x22d/0xd01 [ 250.053994] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 250.059142] ? ____cache_alloc_node+0x1c7/0x1e0 [ 250.063804] ? lock_downgrade+0x900/0x900 [ 250.067952] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.073516] cache_grow_begin+0x91/0x8c0 [ 250.077575] ? do_raw_spin_unlock+0xa7/0x2f0 [ 250.081999] fallback_alloc+0x203/0x2e0 [ 250.085968] ____cache_alloc_node+0x1c7/0x1e0 [ 250.090476] kmem_cache_alloc_node+0xe3/0x730 [ 250.094970] ? ipv6_get_ifaddr+0x42e/0x620 [ 250.099209] __alloc_skb+0x119/0x770 [ 250.102935] ? skb_scrub_packet+0x490/0x490 [ 250.107250] ? lock_downgrade+0x900/0x900 [ 250.111399] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.116931] ? refcount_sub_and_test_checked+0x203/0x310 [ 250.122380] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 250.127823] ? addrconf_rs_timer+0x690/0x690 [ 250.132233] ndisc_alloc_skb+0x144/0x340 [ 250.136287] ndisc_send_rs+0x331/0x6e0 [ 250.140175] addrconf_rs_timer+0x314/0x690 [ 250.144404] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.148637] call_timer_fn+0x272/0x920 [ 250.152529] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.156764] ? process_timeout+0x40/0x40 [ 250.160819] ? trace_hardirqs_off+0xb8/0x310 [ 250.165236] ? kasan_check_read+0x11/0x20 [ 250.169392] ? do_raw_spin_unlock+0xa7/0x2f0 [ 250.173796] ? trace_hardirqs_on+0x310/0x310 [ 250.178209] ? __run_timers+0x7da/0xc70 [ 250.182191] ? lock_downgrade+0x900/0x900 [ 250.186334] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 250.191432] ? trace_hardirqs_on+0xbd/0x310 [ 250.195757] ? kasan_check_read+0x11/0x20 [ 250.199916] ? __run_timers+0x7da/0xc70 [ 250.203904] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 250.209357] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.214894] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.219125] __run_timers+0x7e5/0xc70 [ 250.222930] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 250.228303] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 250.233310] ? timerqueue_add+0x207/0x2b0 [ 250.237469] ? enqueue_hrtimer+0x1a5/0x560 [ 250.241703] ? lock_release+0x970/0x970 [ 250.245670] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 250.250857] ? kasan_check_write+0x14/0x20 [ 250.255094] ? pvclock_read_flags+0x160/0x160 [ 250.259584] ? lock_downgrade+0x900/0x900 [ 250.263731] ? trace_hardirqs_on+0xbd/0x310 [ 250.268072] ? kvm_sched_clock_read+0x9/0x20 [ 250.272475] ? irq_exit+0x17f/0x1c0 [ 250.276097] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.281638] ? check_preemption_disabled+0x48/0x200 [ 250.286647] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.292185] run_timer_softirq+0x52/0xb0 [ 250.296236] ? __this_cpu_preempt_check+0x1c/0x1f [ 250.301094] __do_softirq+0x30b/0xad8 [ 250.304893] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 250.309990] ? pvclock_read_flags+0x160/0x160 [ 250.314476] ? lapic_next_event+0x5a/0x90 [ 250.318622] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.324163] ? clockevents_program_event+0x140/0x370 [ 250.329268] ? kvm_clock_read+0x18/0x30 [ 250.333240] ? kvm_sched_clock_read+0x9/0x20 [ 250.337643] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.343173] ? check_preemption_disabled+0x48/0x200 [ 250.348188] irq_exit+0x17f/0x1c0 [ 250.351645] smp_apic_timer_interrupt+0x1cb/0x760 [ 250.356475] ? smp_reschedule_interrupt+0x109/0x650 [ 250.361500] ? smp_call_function_single_interrupt+0x650/0x650 [ 250.367388] ? interrupt_entry+0xb5/0xf0 [ 250.371454] ? trace_hardirqs_off_caller+0xbb/0x310 [ 250.376476] ? trace_hardirqs_off_caller+0xbb/0x310 [ 250.381500] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 250.386339] ? trace_hardirqs_on_caller+0x310/0x310 [ 250.391353] ? trace_hardirqs_on_caller+0x310/0x310 [ 250.396365] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.401912] ? check_preemption_disabled+0x48/0x200 [ 250.406970] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 250.411827] apic_timer_interrupt+0xf/0x20 [ 250.416045] [ 250.418286] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 250.424164] Code: 3f 7e 0f 85 32 ff ff ff e8 53 4a 3e ff e9 28 ff ff ff e8 ba ad c2 ff 48 83 3d 0a bf 6f 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 62 23 [ 250.443055] RSP: 0018:ffff88019a29f4a8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 250.450841] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000627e000 [ 250.458112] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 250.465381] RBP: ffff88019a29f520 R08: ffff8801ba14e480 R09: fffffbfff12720c0 [ 250.472644] R10: ffff88019a29e0f0 R11: ffffffff89390603 R12: ffff8801da800ac0 [ 250.479903] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286 [ 250.487193] ? trace_hardirqs_on+0xb4/0x310 [ 250.491512] ? save_stack+0xa9/0xd0 [ 250.495137] __kmalloc_node_track_caller+0x33/0x70 [ 250.500061] __kmalloc_reserve.isra.39+0xcc/0xe0 [ 250.504829] pskb_expand_head+0x230/0x10f0 [ 250.509090] ? lock_downgrade+0x900/0x900 [ 250.513244] ? check_preemption_disabled+0x48/0x200 [ 250.518252] ? memcpy+0x45/0x50 [ 250.521543] ? __copy_skb_header+0x350/0x6b0 [ 250.525958] ? __pskb_copy_fclone+0xeb0/0xeb0 [ 250.530478] ? skb_checksum+0x140/0x140 [ 250.534477] ? trace_hardirqs_on+0xbd/0x310 [ 250.538808] ? skb_clone+0x1bb/0x500 [ 250.542563] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 250.548029] ? kasan_unpoison_shadow+0x35/0x50 [ 250.552603] ? kasan_check_write+0x14/0x20 [ 250.556834] ? __skb_clone+0x6c7/0xa00 [ 250.560718] ? __copy_skb_header+0x6b0/0x6b0 [ 250.565129] ? kmem_cache_alloc+0x306/0x730 [ 250.569462] skb_ensure_writable+0x3dd/0x640 [ 250.573867] ? skb_cow_data+0xf10/0xf10 [ 250.577850] ? check_preemption_disabled+0x48/0x200 [ 250.582865] ? __this_cpu_preempt_check+0x1c/0x1f [ 250.587700] ? __bpf_redirect+0x54b/0xb20 [ 250.591842] ? __switch_to_asm+0x34/0x70 [ 250.595900] bpf_clone_redirect+0x14a/0x490 [ 250.600216] bpf_prog_3d1649e183dc2cc1+0xca3/0x1000 [ 250.605228] ? __sched_text_start+0x8/0x8 [ 250.609369] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 250.614151] ? retint_kernel+0x2d/0x2d [ 250.618028] ? trace_hardirqs_on_caller+0xc0/0x310 [ 250.622952] ? retint_kernel+0x2d/0x2d [ 250.626833] ? trace_hardirqs_on_caller+0xc0/0x310 [ 250.631763] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 250.636511] ? trace_hardirqs_off+0x310/0x310 [ 250.641001] ? retint_kernel+0x1b/0x2d [ 250.644914] ? lock_acquire+0x1ed/0x520 [ 250.648885] ? bpf_test_run+0x3cb/0x780 [ 250.652871] ? lock_downgrade+0x900/0x900 [ 250.657024] ? lock_release+0x970/0x970 [ 250.661012] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 250.666808] ? preempt_schedule_common+0x1f/0xd0 [ 250.671560] ? preempt_schedule+0x4d/0x60 [ 250.675706] ? ___preempt_schedule+0x16/0x18 [ 250.680153] ? bpf_test_run+0x25d/0x780 [ 250.684180] ? netlink_diag_dump+0x2a0/0x2a0 [ 250.688581] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 250.694211] ? bpf_test_init.isra.9+0x70/0x100 [ 250.698834] ? bpf_prog_test_run_skb+0x634/0xb40 [ 250.703583] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 250.708417] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 250.713951] ? fput+0x130/0x1a0 [ 250.717240] ? __bpf_prog_get+0x9b/0x290 [ 250.721295] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 250.726131] ? bpf_prog_test_run+0x130/0x1a0 [ 250.730550] ? __x64_sys_bpf+0x3d8/0x510 [ 250.734605] ? bpf_prog_get+0x20/0x20 [ 250.738420] ? __x64_sys_futex+0x4bc/0x6a0 [ 250.742657] ? do_syscall_64+0x1b9/0x820 [ 250.746747] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 250.752113] ? syscall_return_slowpath+0x5e0/0x5e0 [ 250.757049] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 250.761887] ? trace_hardirqs_on_caller+0x310/0x310 [ 250.767047] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 250.772100] ? prepare_exit_to_usermode+0x291/0x3b0 [ 250.777147] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 250.781990] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 250.787356] warn_alloc_show_mem: 1 callbacks suppressed [ 250.787367] CPU: 1 PID: 5806 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #119 [ 250.787368] Mem-Info: [ 250.787412] active_anon:46475 inactive_anon:4207 isolated_anon:0 [ 250.787412] active_file:17 inactive_file:13 isolated_file:0 [ 250.787412] unevictable:0 dirty:0 writeback:0 unstable:0 [ 250.787412] slab_reclaimable:8782 slab_unreclaimable:1485678 [ 250.787412] mapped:8194 shmem:4214 pagetables:396 bounce:0 [ 250.787412] free:13756 free_pcp:276 free_cma:0 [ 250.792771] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 250.799804] Node 0 active_anon:185900kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32776kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 250.802197] Call Trace: [ 250.835141] Node 0 [ 250.844480] [ 250.872242] 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 [ 250.874793] dump_stack+0x1c4/0x2b4 [ 250.877000] lowmem_reserve[]: [ 250.879145] ? dump_stack_print_info.cold.2+0x52/0x52 [ 250.904636] 0 [ 250.908260] warn_alloc.cold.119+0xb7/0x1bd [ 250.911331] 2819 [ 250.916512] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 250.918284] 6323 [ 250.922594] ? lock_downgrade+0x900/0x900 [ 250.924638] 6323 [ 250.929465] ? trace_hardirqs_off+0xb8/0x310 [ 250.935683] ? trace_hardirqs_off+0xb8/0x310 [ 250.937731] Node 0 [ 250.942153] __alloc_pages_slowpath+0x2667/0x2d80 [ 250.947041] DMA32 free:25168kB min:30060kB low:37572kB high:45084kB active_anon:10240kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 250.949267] ? warn_alloc+0x120/0x120 [ 250.954064] lowmem_reserve[]: [ 250.981291] ? warn_alloc+0x120/0x120 [ 250.985068] 0 [ 250.988165] ? warn_alloc+0x120/0x120 [ 250.991949] 0 [ 250.993764] ? mark_held_locks+0x130/0x130 [ 250.997537] 3503 [ 250.999331] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.003543] 3503 [ 251.005597] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 251.013177] ? should_fail+0x22d/0xd01 [ 251.018685] Node 0 Normal free:13948kB min:37352kB low:46688kB high:56024kB active_anon:175660kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5056kB pagetables:1584kB bounce:0kB free_pcp:856kB local_pcp:320kB free_cma:0kB [ 251.022588] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 251.022604] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 251.051639] lowmem_reserve[]: [ 251.056732] ? should_fail+0x22d/0xd01 [ 251.062260] 0 [ 251.065371] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 251.069230] 0 [ 251.071039] ? should_fail+0x22d/0xd01 [ 251.076128] 0 [ 251.078298] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 251.082182] 0 [ 251.083993] ? mark_held_locks+0x130/0x130 [ 251.090895] ? mark_held_locks+0x130/0x130 [ 251.095125] Node 0 [ 251.099378] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.099380] DMA: 1*4kB [ 251.101634] ? trace_hardirqs_off+0xb8/0x310 [ 251.107156] (U) [ 251.109732] ? kasan_check_read+0x11/0x20 [ 251.114132] 0*8kB [ 251.116100] ? do_raw_spin_unlock+0xa7/0x2f0 [ 251.120217] 0*16kB [ 251.122355] ? trace_hardirqs_on+0x310/0x310 [ 251.126734] 1*32kB [ 251.128997] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.133378] (U) [ 251.135633] ? wq_watchdog_touch+0x9c/0xfe [ 251.141141] 2*64kB [ 251.143118] ? io_serial_in+0x11/0x90 [ 251.147322] (U) [ 251.149550] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.153322] 1*128kB [ 251.155290] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 251.160801] (U) [ 251.163153] __alloc_pages_nodemask+0xa80/0xde0 [ 251.168227] 1*256kB [ 251.170219] ? should_fail+0x22d/0xd01 [ 251.174860] (U) [ 251.177177] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 251.181035] 0*512kB [ 251.183011] ? ____cache_alloc_node+0x1c7/0x1e0 [ 251.187998] 1*1024kB [ 251.190322] ? lock_downgrade+0x900/0x900 [ 251.194976] (U) [ 251.197377] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.201511] 1*2048kB [ 251.203472] cache_grow_begin+0x91/0x8c0 [ 251.209010] (M) [ 251.211425] ? do_raw_spin_unlock+0xa7/0x2f0 [ 251.215456] 3*4096kB [ 251.217430] fallback_alloc+0x203/0x2e0 [ 251.221809] (M) [ 251.224209] ____cache_alloc_node+0x1c7/0x1e0 [ 251.228153] = 15908kB [ 251.230134] kmem_cache_alloc_node+0xe3/0x730 [ 251.234599] Node 0 [ 251.237001] ? ipv6_get_ifaddr+0x42e/0x620 [ 251.241478] DMA32: [ 251.243711] __alloc_skb+0x119/0x770 [ 251.247916] 2*4kB [ 251.250140] ? skb_scrub_packet+0x490/0x490 [ 251.253825] (M) [ 251.255976] ? lock_downgrade+0x900/0x900 [ 251.260292] 1*8kB [ 251.262262] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.266373] (M) [ 251.268527] ? refcount_sub_and_test_checked+0x203/0x310 [ 251.274030] 2*16kB [ 251.276022] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 251.281458] (M) [ 251.283680] ? addrconf_rs_timer+0x690/0x690 [ 251.289102] 3*32kB [ 251.291066] ndisc_alloc_skb+0x144/0x340 [ 251.295446] (MH) [ 251.297687] ndisc_send_rs+0x331/0x6e0 [ 251.301745] 5*64kB [ 251.303799] addrconf_rs_timer+0x314/0x690 [ 251.307659] (MH) [ 251.309889] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 251.314102] 3*128kB [ 251.316155] call_timer_fn+0x272/0x920 [ 251.320354] (M) [ 251.322665] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 251.326545] 5*256kB [ 251.328531] ? process_timeout+0x40/0x40 [ 251.332755] (UMH) [ 251.335073] ? trace_hardirqs_off+0xb8/0x310 [ 251.339105] 5*512kB [ 251.341242] ? kasan_check_read+0x11/0x20 [ 251.345650] (UMH) [ 251.347970] ? do_raw_spin_unlock+0xa7/0x2f0 [ 251.352089] 4*1024kB [ 251.354260] ? trace_hardirqs_on+0x310/0x310 [ 251.358649] (UMH) [ 251.361050] ? __run_timers+0x7da/0xc70 [ 251.365434] 2*2048kB [ 251.367572] ? lock_downgrade+0x900/0x900 [ 251.371520] (M) [ 251.373926] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 251.378064] 3*4096kB [ 251.380063] ? trace_hardirqs_on+0xbd/0x310 [ 251.385136] (M) [ 251.387544] ? kasan_check_read+0x11/0x20 [ 251.391856] = 25168kB [ 251.393820] ? __run_timers+0x7da/0xc70 [ 251.397940] Node 0 [ 251.400355] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 251.404300] Normal: [ 251.406551] ? kasan_check_write+0x14/0x20 [ 251.411974] 1081*4kB [ 251.414304] ? do_raw_spin_lock+0xc1/0x200 [ 251.418511] (UMEH) [ 251.420912] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 251.425121] 387*8kB [ 251.427346] __run_timers+0x7e5/0xc70 [ 251.431551] (ME) [ 251.433886] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 251.437658] 152*16kB [ 251.439710] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 251.445045] (UME) [ 251.447451] ? timerqueue_add+0x207/0x2b0 [ 251.452437] 54*32kB [ 251.454573] ? enqueue_hrtimer+0x1a5/0x560 [ 251.458700] (UME) [ 251.461033] ? lock_release+0x970/0x970 [ 251.465242] 21*64kB [ 251.467383] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 251.471330] (UM) [ 251.473643] ? check_preemption_disabled+0x48/0x200 [ 251.478806] 0*128kB [ 251.480874] ? kasan_check_write+0x14/0x20 [ 251.485864] 0*256kB [ 251.488180] ? pvclock_read_flags+0x160/0x160 [ 251.492385] 2*512kB [ 251.494693] ? lock_downgrade+0x900/0x900 [ 251.499160] (U) [ 251.501475] ? trace_hardirqs_on+0xbd/0x310 [ 251.505594] 0*1024kB [ 251.507564] ? kvm_sched_clock_read+0x9/0x20 [ 251.511860] 0*2048kB [ 251.514265] ? irq_exit+0x17f/0x1c0 [ 251.518646] 0*4096kB [ 251.521063] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.524666] = 13948kB [ 251.527068] ? check_preemption_disabled+0x48/0x200 [ 251.532583] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 251.534980] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.539985] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 251.548814] run_timer_softirq+0x52/0xb0 [ 251.554329] 4244 total pagecache pages [ 251.562891] ? __this_cpu_preempt_check+0x1c/0x1f [ 251.566956] 0 pages in swap cache [ 251.570847] __do_softirq+0x30b/0xad8 [ 251.575673] Swap cache stats: add 0, delete 0, find 0/0 [ 251.579125] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 251.582894] Free swap = 0kB [ 251.588262] ? pvclock_read_flags+0x160/0x160 [ 251.593345] Total swap = 0kB [ 251.596351] ? lapic_next_event+0x5a/0x90 [ 251.600824] 1965979 pages RAM [ 251.603846] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.607970] 0 pages HighMem/MovableOnly [ 251.611065] ? clockevents_program_event+0x140/0x370 [ 251.616577] 342307 pages reserved [ 251.620575] ? kvm_clock_read+0x18/0x30 [ 251.625651] 0 pages cma reserved [ 251.629178] ? kvm_sched_clock_read+0x9/0x20 [ 251.633172] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 251.636480] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.640928] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 251.647360] ? check_preemption_disabled+0x48/0x200 [ 251.652874] syz-executor2 cpuset= [ 251.663353] irq_exit+0x17f/0x1c0 [ 251.668353] syz2 [ 251.671823] smp_apic_timer_interrupt+0x1cb/0x760 [ 251.675255] mems_allowed=0 [ 251.684979] ? smp_reschedule_interrupt+0x109/0x650 [ 251.690017] ? smp_call_function_single_interrupt+0x650/0x650 [ 251.695894] ? interrupt_entry+0xb5/0xf0 [ 251.699953] ? trace_hardirqs_off_caller+0xbb/0x310 [ 251.704974] ? trace_hardirqs_off_caller+0xbb/0x310 [ 251.709993] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 251.714846] ? trace_hardirqs_on_caller+0x310/0x310 [ 251.719855] ? trace_hardirqs_on_caller+0x310/0x310 [ 251.724870] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 251.730406] ? check_preemption_disabled+0x48/0x200 [ 251.735419] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 251.740976] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 251.745823] apic_timer_interrupt+0xf/0x20 [ 251.750078] [ 251.752313] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 251.757522] Code: 00 e8 97 f5 a3 f9 e8 d2 63 d3 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d 24 75 80 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d fa 74 [ 251.776423] RSP: 0000:ffff8801bbdd6150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 251.784124] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 251.791402] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe740 [ 251.798665] RBP: ffff8801bbdd6178 R08: ffff8801d838c080 R09: ffffed003b5e5979 [ 251.805941] R10: ffffed003b5e5979 R11: ffff8801daf2cbcb R12: dffffc0000000000 [ 251.813222] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 251.820496] ? trace_hardirqs_on+0x9a/0x310 [ 251.824809] ? trace_hardirqs_on+0xb4/0x310 [ 251.829131] retint_kernel+0x1b/0x2d [ 251.832839] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 251.838120] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 21 17 fa 48 83 3d 99 9c 86 01 00 75 07 e8 9a 7f d3 f9 0f 0b e8 93 7f d3 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 21 17 fa 4c 8b 45 d0 e9 [ 251.857018] RSP: 0000:ffff8801bbdd6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 251.864722] RAX: ffff8801d838c080 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 251.871991] RDX: 0000000000000000 RSI: ffffffff87ab55fd RDI: 0000000000000293 [ 251.879257] RBP: ffff8801bbdd6240 R08: ffff8801d838c080 R09: fffffbfff13d9700 [ 251.886518] R10: fffffbfff13d9700 R11: 0000000000000003 R12: 0000000000000293 [ 251.893792] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff8931f280 [ 251.901061] ? trace_hardirqs_on+0x9a/0x310 [ 251.905376] ? arch_local_irq_restore+0x45/0x52 [ 251.910052] dump_stack+0x26a/0x2b4 [ 251.913685] ? dump_stack_print_info.cold.2+0x52/0x52 [ 251.918875] ? mark_held_locks+0x130/0x130 [ 251.923104] ? mark_held_locks+0x130/0x130 [ 251.927342] dump_header+0x27b/0xf72 [ 251.931066] ? rcu_read_unlock+0x16/0x60 [ 251.935123] ? pagefault_out_of_memory+0x197/0x197 [ 251.940047] ? mark_held_locks+0x130/0x130 [ 251.944276] ? percpu_ref_put_many+0x13e/0x260 [ 251.948857] ? mem_cgroup_charge_statistics+0x780/0x780 [ 251.954221] ? mem_cgroup_iter+0x1f7/0x1160 [ 251.958560] ? mark_held_locks+0x130/0x130 [ 251.962800] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.968330] ? task_will_free_mem+0x239/0xb30 [ 251.972852] ? ___ratelimit+0x36f/0x655 [ 251.976821] ? lock_downgrade+0x900/0x900 [ 251.980968] ? trace_hardirqs_on+0xbd/0x310 [ 251.985281] ? kasan_check_read+0x11/0x20 [ 251.989435] ? ___ratelimit+0x36f/0x655 [ 251.993416] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 251.998876] ? trace_hardirqs_on+0x310/0x310 [ 252.003311] ? lock_downgrade+0x900/0x900 [ 252.007457] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 252.012553] ? ___ratelimit+0xaa/0x655 [ 252.016436] ? idr_get_free+0xec0/0xec0 [ 252.020406] ? kasan_check_write+0x14/0x20 [ 252.024637] ? do_raw_spin_lock+0xc1/0x200 [ 252.028873] oom_kill_process.cold.27+0x10/0x903 [ 252.033623] ? lock_downgrade+0x900/0x900 [ 252.037781] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 252.043576] ? oom_evaluate_task+0x540/0x540 [ 252.047980] ? shrink_node+0x16b0/0x16b0 [ 252.052039] ? oom_unkillable_task+0x383/0x580 [ 252.056631] ? out_of_memory+0x974/0x1430 [ 252.060774] ? lock_downgrade+0x900/0x900 [ 252.064918] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 252.070713] ? __cpuset_node_allowed+0x19b/0x660 [ 252.075473] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 252.081002] ? oom_evaluate_task+0x302/0x540 [ 252.085419] out_of_memory+0xa84/0x1430 [ 252.089412] ? oom_killer_disable+0x3a0/0x3a0 [ 252.093909] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 252.098841] ? __mutex_add_waiter+0x2a0/0x2a0 [ 252.103332] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 252.108340] ? find_next_bit+0x104/0x130 [ 252.112426] __alloc_pages_slowpath+0x2318/0x2d80 [ 252.117281] ? warn_alloc+0x120/0x120 [ 252.121073] ? __radix_tree_lookup+0x4c0/0x4c0 [ 252.125660] ? find_get_entry+0x2f2/0xc40 [ 252.129851] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 252.134790] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 252.140326] ? should_fail+0x22d/0xd01 [ 252.144209] ? ___might_sleep+0x1ed/0x300 [ 252.148357] ? lock_release+0x970/0x970 [ 252.152367] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 252.157466] ? debug_smp_processor_id+0x1c/0x20 [ 252.162136] ? __might_sleep+0x95/0x190 [ 252.166105] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 252.170948] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 252.176003] ? lock_downgrade+0x900/0x900 [ 252.180175] ? ___might_sleep+0x1ed/0x300 [ 252.184313] ? lock_release+0x970/0x970 [ 252.188466] ? arch_local_save_flags+0x40/0x40 [ 252.193057] ? finish_task_switch+0x1f5/0x900 [ 252.197561] ? __might_sleep+0x95/0x190 [ 252.201553] __alloc_pages_nodemask+0xa80/0xde0 [ 252.206226] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 252.211245] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 252.217073] ? kasan_check_write+0x14/0x20 [ 252.221299] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 252.225967] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.231511] ? __do_page_cache_readahead+0x7ce/0x980 [ 252.236618] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 252.242158] alloc_pages_current+0x10c/0x210 [ 252.246558] ? lock_downgrade+0x900/0x900 [ 252.250706] __page_cache_alloc+0x38f/0x5b0 [ 252.255027] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 252.260824] ? ext4_filemap_fault+0x82/0xad [ 252.265143] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 252.269823] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 252.275350] ? check_preemption_disabled+0x48/0x200 [ 252.280379] filemap_fault+0x1594/0x25f0 [ 252.284458] ? __lock_page_or_retry+0xa00/0xa00 [ 252.289141] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 252.294963] ? unwind_dump+0x190/0x190 [ 252.298864] ? is_bpf_text_address+0xd3/0x170 [ 252.303382] ? filemap_map_pages+0xdea/0x1980 [ 252.307905] ? find_get_pages_range_tag+0x1320/0x1320 [ 252.313092] ? save_stack+0xa9/0xd0 [ 252.316714] ? save_stack+0x43/0xd0 [ 252.320347] ? __kasan_slab_free+0x102/0x150 [ 252.324761] ? __sigqueue_free.part.27+0x7d/0xa0 [ 252.329525] ? __dequeue_signal+0x530/0x7d0 [ 252.333855] ? dequeue_signal+0x26c/0x630 [ 252.338010] ? get_signal+0x3ec/0x1980 [ 252.341894] ? do_signal+0x9c/0x21e0 [ 252.345601] ? exit_to_usermode_loop+0x2e5/0x380 [ 252.350372] ? mark_held_locks+0x130/0x130 [ 252.354600] ? trace_hardirqs_on+0x310/0x310 [ 252.359003] ? lock_acquire+0x1ed/0x520 [ 252.362974] ? ext4_filemap_fault+0x7a/0xad [ 252.367291] ? lock_release+0x970/0x970 [ 252.371266] ? arch_local_save_flags+0x40/0x40 [ 252.375843] ? mark_held_locks+0x130/0x130 [ 252.380099] ? trace_hardirqs_off+0xb8/0x310 [ 252.384558] ? down_read+0xb0/0x1d0 [ 252.388180] ? ext4_filemap_fault+0x7a/0xad [ 252.392507] ? __down_interruptible+0x700/0x700 [ 252.397169] ? kmem_cache_free+0x21a/0x290 [ 252.401403] ? __sigqueue_free.part.27+0x7d/0xa0 [ 252.406174] ? __dequeue_signal+0xf9/0x7d0 [ 252.410409] ext4_filemap_fault+0x82/0xad [ 252.414559] __do_fault+0x100/0x6b0 [ 252.418184] ? print_bad_pte+0x6c0/0x6c0 [ 252.422243] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 252.427793] ? pmd_val+0x88/0x100 [ 252.431260] ? add_mm_counter_fast+0xd0/0xd0 [ 252.435661] ? pmd_val+0x88/0x100 [ 252.439107] ? add_mm_counter_fast+0xd0/0xd0 [ 252.443508] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 252.449061] __handle_mm_fault+0x3709/0x53e0 [ 252.453484] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 252.458323] ? kasan_check_write+0x14/0x20 [ 252.462570] ? do_raw_spin_lock+0xc1/0x200 [ 252.466828] ? _raw_spin_unlock_irq+0x60/0x80 [ 252.471321] ? __set_current_blocked+0xe4/0x120 [ 252.475991] ? lock_acquire+0x1ed/0x520 [ 252.479965] ? handle_mm_fault+0x42a/0xc70 [ 252.484195] ? lock_downgrade+0x900/0x900 [ 252.488338] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 252.494147] ? __do_page_fault+0x67d/0xed0 [ 252.498376] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 252.503839] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 252.509375] ? check_preemption_disabled+0x48/0x200 [ 252.514389] handle_mm_fault+0x54f/0xc70 [ 252.518459] ? __handle_mm_fault+0x53e0/0x53e0 [ 252.523077] ? find_vma+0x34/0x190 [ 252.526618] __do_page_fault+0x67d/0xed0 [ 252.530704] ? mm_fault_error+0x380/0x380 [ 252.534852] ? syscall_slow_exit_work+0x520/0x520 [ 252.539717] do_page_fault+0xf2/0x7e0 [ 252.543516] ? vmalloc_sync_all+0x30/0x30 [ 252.547673] ? error_entry+0x70/0xd0 [ 252.551380] ? trace_hardirqs_off_caller+0xbb/0x310 [ 252.556410] ? trace_hardirqs_on_caller+0xc0/0x310 [ 252.561330] ? syscall_return_slowpath+0x5e0/0x5e0 [ 252.566284] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 252.571133] ? trace_hardirqs_on_caller+0x310/0x310 [ 252.576158] ? trace_hardirqs_off+0x310/0x310 [ 252.580666] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 252.585684] ? prepare_exit_to_usermode+0x291/0x3b0 [ 252.590696] ? page_fault+0x8/0x30 [ 252.594239] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 252.599137] ? page_fault+0x8/0x30 [ 252.602681] page_fault+0x1e/0x30 [ 252.606138] RIP: 0033:0x45db60 [ 252.609332] Code: Bad RIP value. [ 252.612689] RSP: 002b:000000c420049ab8 EFLAGS: 00010286 [ 252.618044] RAX: 0000000000000000 RBX: 000000c420026380 RCX: 000000000045ddf3 [ 252.625302] RDX: 000000c420049ac0 RSI: 000000c420049bf0 RDI: 0000000000000011 [ 252.632561] RBP: 000000c420022f08 R08: 0000000000000000 R09: 0000000000000000 [ 252.639821] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42005c168 [ 252.647097] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000 [ 252.654376] CPU: 0 PID: 7800 Comm: syz-executor2 Not tainted 4.19.0-rc6+ #119 [ 252.654425] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 252.661647] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 252.661652] Call Trace: [ 252.661657] [ 252.661671] dump_stack+0x1c4/0x2b4 [ 252.661687] ? dump_stack_print_info.cold.2+0x52/0x52 [ 252.668248] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 252.677546] warn_alloc.cold.119+0xb7/0x1bd [ 252.680121] syz-fuzzer cpuset= [ 252.682277] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 252.685891] / [ 252.691074] ? lock_downgrade+0x900/0x900 [ 252.701274] mems_allowed=0 [ 252.705584] ? trace_hardirqs_off+0xb8/0x310 [ 252.726758] ? trace_hardirqs_off+0xb8/0x310 [ 252.731168] __alloc_pages_slowpath+0x2667/0x2d80 [ 252.736062] ? warn_alloc+0x120/0x120 [ 252.739873] ? trace_hardirqs_on+0x310/0x310 [ 252.744276] ? warn_alloc+0x120/0x120 [ 252.748102] ? warn_alloc+0x120/0x120 [ 252.751935] ? ktime_get+0x2e1/0x440 [ 252.755658] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.761190] ? check_preemption_disabled+0x48/0x200 [ 252.766205] ? kasan_check_read+0x11/0x20 [ 252.770350] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 252.775880] ? should_fail+0x22d/0xd01 [ 252.779771] ? rcu_bh_qs+0xc0/0xc0 [ 252.783308] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 252.788402] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 252.793930] ? should_fail+0x22d/0xd01 [ 252.797822] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 252.802937] ? should_fail+0x22d/0xd01 [ 252.806839] ? rcu_idle_enter+0x4b0/0x4b0 [ 252.810999] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 252.816106] ? mark_held_locks+0x130/0x130 [ 252.820339] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.825876] ? mark_held_locks+0x130/0x130 [ 252.830105] ? rcu_irq_exit+0xce/0x100 [ 252.834019] ? irq_exit+0xbd/0x1c0 [ 252.837570] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 252.842606] ? do_raw_spin_unlock+0xa7/0x2f0 [ 252.847010] ? smp_call_function_single_interrupt+0x650/0x650 [ 252.852905] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.858458] ? ret_from_intr+0xb/0x1e [ 252.862253] ? retint_kernel+0x2d/0x2d [ 252.866151] ? trace_hardirqs_on_caller+0xc0/0x310 [ 252.871075] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 252.875830] ? trace_hardirqs_off+0x310/0x310 [ 252.880322] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 252.885426] __alloc_pages_nodemask+0xa80/0xde0 [ 252.890089] ? should_fail+0x22d/0xd01 [ 252.893994] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 252.899039] ? ____cache_alloc_node+0x1c7/0x1e0 [ 252.903717] ? lock_downgrade+0x900/0x900 [ 252.907884] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.913420] cache_grow_begin+0x91/0x8c0 [ 252.917519] ? do_raw_spin_unlock+0xa7/0x2f0 [ 252.921957] fallback_alloc+0x203/0x2e0 [ 252.925929] ____cache_alloc_node+0x1c7/0x1e0 [ 252.930433] kmem_cache_alloc_node+0xe3/0x730 [ 252.934936] ? ipv6_get_ifaddr+0x42e/0x620 [ 252.939215] __alloc_skb+0x119/0x770 [ 252.942923] ? skb_scrub_packet+0x490/0x490 [ 252.947721] ? lock_downgrade+0x900/0x900 [ 252.951884] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.957431] ? refcount_sub_and_test_checked+0x203/0x310 [ 252.962887] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 252.968348] ? addrconf_rs_timer+0x690/0x690 [ 252.972779] ndisc_alloc_skb+0x144/0x340 [ 252.976843] ndisc_send_rs+0x331/0x6e0 [ 252.980735] addrconf_rs_timer+0x314/0x690 [ 252.984997] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.989263] call_timer_fn+0x272/0x920 [ 252.993193] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.997458] ? process_timeout+0x40/0x40 [ 253.001546] ? trace_hardirqs_off+0xb8/0x310 [ 253.006075] ? kasan_check_read+0x11/0x20 [ 253.010221] ? do_raw_spin_unlock+0xa7/0x2f0 [ 253.014624] ? trace_hardirqs_on+0x310/0x310 [ 253.019042] ? __run_timers+0x7da/0xc70 [ 253.023027] ? lock_downgrade+0x900/0x900 [ 253.027177] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 253.032276] ? trace_hardirqs_on+0xbd/0x310 [ 253.036594] ? kasan_check_read+0x11/0x20 [ 253.040737] ? __run_timers+0x7da/0xc70 [ 253.044717] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 253.050174] ? kasan_check_write+0x14/0x20 [ 253.054408] ? do_raw_spin_lock+0xc1/0x200 [ 253.058637] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 253.062897] __run_timers+0x7e5/0xc70 [ 253.066706] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 253.072068] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 253.077086] ? timerqueue_add+0x207/0x2b0 [ 253.081362] ? enqueue_hrtimer+0x1a5/0x560 [ 253.085594] ? lock_release+0x970/0x970 [ 253.089568] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 253.094768] ? kasan_check_write+0x14/0x20 [ 253.099004] ? pvclock_read_flags+0x160/0x160 [ 253.103500] ? lock_downgrade+0x900/0x900 [ 253.107647] ? trace_hardirqs_on+0xbd/0x310 [ 253.111967] ? kvm_sched_clock_read+0x9/0x20 [ 253.116379] ? irq_exit+0x17f/0x1c0 [ 253.120004] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.125531] ? check_preemption_disabled+0x48/0x200 [ 253.130536] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.136067] run_timer_softirq+0x52/0xb0 [ 253.140119] ? __this_cpu_preempt_check+0x1c/0x1f [ 253.144969] __do_softirq+0x30b/0xad8 [ 253.148779] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 253.153881] ? pvclock_read_flags+0x160/0x160 [ 253.158369] ? lapic_next_event+0x5a/0x90 [ 253.162509] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.168041] ? clockevents_program_event+0x140/0x370 [ 253.173139] ? kvm_clock_read+0x18/0x30 [ 253.177120] ? kvm_sched_clock_read+0x9/0x20 [ 253.181522] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.187052] ? check_preemption_disabled+0x48/0x200 [ 253.192076] irq_exit+0x17f/0x1c0 [ 253.195529] smp_apic_timer_interrupt+0x1cb/0x760 [ 253.200359] ? smp_reschedule_interrupt+0x109/0x650 [ 253.205367] ? smp_call_function_single_interrupt+0x650/0x650 [ 253.211247] ? interrupt_entry+0xb5/0xf0 [ 253.215332] ? trace_hardirqs_off_caller+0xbb/0x310 [ 253.220348] ? trace_hardirqs_off_caller+0xbb/0x310 [ 253.225362] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 253.230215] ? trace_hardirqs_on_caller+0x310/0x310 [ 253.235236] ? trace_hardirqs_on_caller+0x310/0x310 [ 253.240246] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.245791] ? check_preemption_disabled+0x48/0x200 [ 253.250809] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 253.255670] apic_timer_interrupt+0xf/0x20 [ 253.259889] [ 253.262121] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 253.268003] Code: 3f 7e 0f 85 32 ff ff ff e8 53 4a 3e ff e9 28 ff ff ff e8 ba ad c2 ff 48 83 3d 0a bf 6f 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 62 23 [ 253.286898] RSP: 0018:ffff88019a29f4a8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 253.294598] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000627e000 [ 253.301877] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 253.309144] RBP: ffff88019a29f520 R08: ffff8801ba14e480 R09: fffffbfff12720c0 [ 253.316421] R10: ffff88019a29e0f0 R11: ffffffff89390603 R12: ffff8801da800ac0 [ 253.323687] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286 [ 253.330980] ? trace_hardirqs_on+0xb4/0x310 [ 253.335314] ? save_stack+0xa9/0xd0 [ 253.338947] __kmalloc_node_track_caller+0x33/0x70 [ 253.343876] __kmalloc_reserve.isra.39+0xcc/0xe0 [ 253.348650] pskb_expand_head+0x230/0x10f0 [ 253.352883] ? lock_downgrade+0x900/0x900 [ 253.357024] ? check_preemption_disabled+0x48/0x200 [ 253.362046] ? memcpy+0x45/0x50 [ 253.365340] ? __copy_skb_header+0x350/0x6b0 [ 253.369756] ? __pskb_copy_fclone+0xeb0/0xeb0 [ 253.374264] ? skb_checksum+0x140/0x140 [ 253.378255] ? trace_hardirqs_on+0xbd/0x310 [ 253.382591] ? skb_clone+0x1bb/0x500 [ 253.386321] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 253.391777] ? kasan_unpoison_shadow+0x35/0x50 [ 253.396361] ? kasan_check_write+0x14/0x20 [ 253.400596] ? __skb_clone+0x6c7/0xa00 [ 253.404498] ? __copy_skb_header+0x6b0/0x6b0 [ 253.408914] ? kmem_cache_alloc+0x306/0x730 [ 253.413237] skb_ensure_writable+0x3dd/0x640 [ 253.417644] ? skb_cow_data+0xf10/0xf10 [ 253.421612] ? check_preemption_disabled+0x48/0x200 [ 253.426625] ? __this_cpu_preempt_check+0x1c/0x1f [ 253.431457] ? __bpf_redirect+0x54b/0xb20 [ 253.435599] ? __switch_to_asm+0x34/0x70 [ 253.439693] bpf_clone_redirect+0x14a/0x490 [ 253.444025] bpf_prog_3d1649e183dc2cc1+0xca3/0x1000 [ 253.449035] ? __sched_text_start+0x8/0x8 [ 253.453180] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 253.457948] ? retint_kernel+0x2d/0x2d [ 253.461886] ? trace_hardirqs_on_caller+0xc0/0x310 [ 253.466818] ? retint_kernel+0x2d/0x2d [ 253.470714] ? trace_hardirqs_on_caller+0xc0/0x310 [ 253.475645] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 253.480393] ? trace_hardirqs_off+0x310/0x310 [ 253.484878] ? retint_kernel+0x1b/0x2d [ 253.488781] ? lock_acquire+0x1ed/0x520 [ 253.492762] ? bpf_test_run+0x3cb/0x780 [ 253.496759] ? lock_downgrade+0x900/0x900 [ 253.500923] ? lock_release+0x970/0x970 [ 253.504895] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 253.510686] ? preempt_schedule_common+0x1f/0xd0 [ 253.515437] ? preempt_schedule+0x4d/0x60 [ 253.519580] ? ___preempt_schedule+0x16/0x18 [ 253.523982] ? bpf_test_run+0x25d/0x780 [ 253.527981] ? netlink_diag_dump+0x2a0/0x2a0 [ 253.532419] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 253.537964] ? bpf_test_init.isra.9+0x70/0x100 [ 253.542556] ? bpf_prog_test_run_skb+0x634/0xb40 [ 253.547308] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 253.552156] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 253.557685] ? fput+0x130/0x1a0 [ 253.560971] ? __bpf_prog_get+0x9b/0x290 [ 253.565056] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 253.569920] ? bpf_prog_test_run+0x130/0x1a0 [ 253.574323] ? __x64_sys_bpf+0x3d8/0x510 [ 253.578376] ? bpf_prog_get+0x20/0x20 [ 253.582182] ? __x64_sys_futex+0x4bc/0x6a0 [ 253.586417] ? do_syscall_64+0x1b9/0x820 [ 253.590478] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 253.595837] ? syscall_return_slowpath+0x5e0/0x5e0 [ 253.600773] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 253.605610] ? trace_hardirqs_on_caller+0x310/0x310 [ 253.610629] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 253.615646] ? prepare_exit_to_usermode+0x291/0x3b0 [ 253.620661] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 253.625499] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 253.630877] warn_alloc_show_mem: 1 callbacks suppressed [ 253.630887] CPU: 1 PID: 5806 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #119 [ 253.630889] Mem-Info: [ 253.630914] active_anon:46475 inactive_anon:4207 isolated_anon:0 [ 253.630914] active_file:17 inactive_file:13 isolated_file:0 [ 253.630914] unevictable:0 dirty:0 writeback:0 unstable:0 [ 253.630914] slab_reclaimable:8782 slab_unreclaimable:1485678 [ 253.630914] mapped:8194 shmem:4214 pagetables:396 bounce:0 [ 253.630914] free:13756 free_pcp:276 free_cma:0 [ 253.636289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 253.643303] Node 0 active_anon:185900kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32776kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 253.645702] Call Trace: [ 253.678646] Node 0 [ 253.687982] [ 253.715749] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 253.718302] dump_stack+0x1c4/0x2b4 [ 253.720510] lowmem_reserve[]: [ 253.722653] ? dump_stack_print_info.cold.2+0x52/0x52 [ 253.748142] 0 [ 253.751783] warn_alloc.cold.119+0xb7/0x1bd [ 253.754851] 2819 [ 253.760035] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 253.761811] 6323 [ 253.766124] ? lock_downgrade+0x900/0x900 [ 253.768163] 6323 [ 253.772995] ? trace_hardirqs_off+0xb8/0x310 [ 253.779216] ? trace_hardirqs_off+0xb8/0x310 [ 253.781274] Node 0 [ 253.785674] __alloc_pages_slowpath+0x2667/0x2d80 [ 253.790082] DMA32 free:25168kB min:30060kB low:37572kB high:45084kB active_anon:10240kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 253.792301] ? warn_alloc+0x120/0x120 [ 253.797109] lowmem_reserve[]: [ 253.824341] ? trace_hardirqs_on+0x310/0x310 [ 253.828119] 0 [ 253.831214] ? warn_alloc+0x120/0x120 [ 253.835592] 0 [ 253.837385] ? warn_alloc+0x120/0x120 [ 253.841168] 3503 [ 253.842963] ? ktime_get+0x2e1/0x440 [ 253.846738] 3503 [ 253.848801] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.854540] ? check_preemption_disabled+0x48/0x200 [ 253.860047] Node 0 [ 253.865050] ? kasan_check_read+0x11/0x20 [ 253.865081] Normal free:13948kB min:37352kB low:46688kB high:56024kB active_anon:175660kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5056kB pagetables:1584kB bounce:0kB free_pcp:856kB local_pcp:320kB free_cma:0kB [ 253.865088] lowmem_reserve[]: [ 253.867323] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 253.871447] 0 [ 253.899903] ? should_fail+0x22d/0xd01 [ 253.902981] 0 [ 253.908511] ? rcu_bh_qs+0xc0/0xc0 [ 253.910288] 0 [ 253.914167] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 253.915943] 0 [ 253.919474] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 253.921257] Node 0 DMA: [ 253.926358] ? should_fail+0x22d/0xd01 [ 253.928135] 1*4kB [ 253.933662] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 253.936303] (U) [ 253.940181] ? should_fail+0x22d/0xd01 [ 253.942303] 0*8kB [ 253.947395] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 253.949345] 0*16kB [ 253.953225] ? mark_held_locks+0x130/0x130 [ 253.955351] 1*32kB [ 253.960442] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.962657] (U) [ 253.966884] ? mark_held_locks+0x130/0x130 [ 253.969098] 2*64kB [ 253.974626] ? rcu_irq_exit+0xce/0x100 [ 253.976574] (U) [ 253.980799] ? irq_exit+0xbd/0x1c0 [ 253.983007] 1*128kB [ 253.986900] ? mark_held_locks+0x130/0x130 [ 253.988851] (U) [ 253.992378] ? smp_call_function_single_interrupt+0x650/0x650 [ 253.994671] 1*256kB [ 253.998894] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.000838] (U) [ 254.006731] ? ret_from_intr+0xb/0x1e [ 254.009048] 0*512kB [ 254.014575] ? retint_kernel+0x2d/0x2d [ 254.016543] 1*1024kB [ 254.020336] ? trace_hardirqs_on_caller+0xc0/0x310 [ 254.022628] (U) [ 254.026506] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 254.028886] 1*2048kB [ 254.033814] ? trace_hardirqs_off+0x310/0x310 [ 254.035774] (M) [ 254.040534] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 254.042920] 3*4096kB [ 254.047410] __alloc_pages_nodemask+0xa80/0xde0 [ 254.049358] (M) [ 254.054454] ? should_fail+0x22d/0xd01 [ 254.056839] = 15908kB [ 254.061492] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 254.063443] Node 0 [ 254.067332] ? ____cache_alloc_node+0x1c7/0x1e0 [ 254.069708] DMA32: [ 254.074735] ? lock_downgrade+0x900/0x900 [ 254.076967] 2*4kB [ 254.081622] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.083834] (M) [ 254.087972] cache_grow_begin+0x91/0x8c0 [ 254.090097] 1*8kB [ 254.095638] ? do_raw_spin_unlock+0xa7/0x2f0 [ 254.097599] (M) [ 254.101649] fallback_alloc+0x203/0x2e0 [ 254.103779] 2*16kB [ 254.108171] ____cache_alloc_node+0x1c7/0x1e0 [ 254.110120] (M) [ 254.114085] kmem_cache_alloc_node+0xe3/0x730 [ 254.116292] 3*32kB [ 254.120774] ? ipv6_get_ifaddr+0x42e/0x620 [ 254.122723] (MH) [ 254.127212] __alloc_skb+0x119/0x770 [ 254.129420] 5*64kB [ 254.133642] ? skb_scrub_packet+0x490/0x490 [ 254.135679] (MH) [ 254.139383] ? lock_downgrade+0x900/0x900 [ 254.141591] 3*128kB [ 254.145934] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.147987] (M) [ 254.152128] ? refcount_sub_and_test_checked+0x203/0x310 [ 254.154421] 5*256kB [ 254.159945] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 254.161892] (UMH) [ 254.167345] ? addrconf_rs_timer+0x690/0x690 [ 254.169644] 5*512kB [ 254.175086] ndisc_alloc_skb+0x144/0x340 [ 254.177222] (UMH) [ 254.181651] ndisc_send_rs+0x331/0x6e0 [ 254.183948] 4*1024kB [ 254.187996] addrconf_rs_timer+0x314/0x690 [ 254.190117] (UMH) [ 254.193992] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.196409] 2*2048kB [ 254.200633] call_timer_fn+0x272/0x920 [ 254.202756] (M) [ 254.206995] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.209409] 3*4096kB [ 254.213311] ? process_timeout+0x40/0x40 [ 254.215253] (M) = 25168kB [ 254.215265] Node 0 [ 254.219503] ? trace_hardirqs_off+0xb8/0x310 [ 254.221921] Normal: [ 254.225981] ? kasan_check_read+0x11/0x20 [ 254.228711] 1081*4kB [ 254.230960] ? do_raw_spin_unlock+0xa7/0x2f0 [ 254.235338] (UMEH) [ 254.237648] ? trace_hardirqs_on+0x310/0x310 [ 254.241771] 387*8kB [ 254.244168] ? __run_timers+0x7da/0xc70 [ 254.248542] (ME) [ 254.250773] ? lock_downgrade+0x900/0x900 [ 254.255154] 152*16kB [ 254.257471] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 254.261416] (UME) [ 254.263471] ? trace_hardirqs_on+0xbd/0x310 [ 254.267594] 54*32kB [ 254.269997] ? kasan_check_read+0x11/0x20 [ 254.275070] (UME) [ 254.277218] ? __run_timers+0x7da/0xc70 [ 254.281513] 21*64kB [ 254.283838] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 254.287971] (UM) [ 254.290114] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.294061] 0*128kB [ 254.296367] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.301792] 0*256kB [ 254.303842] __run_timers+0x7e5/0xc70 [ 254.309354] 2*512kB [ 254.311667] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 254.315868] (U) [ 254.318185] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 254.321958] 0*1024kB [ 254.324276] ? timerqueue_add+0x207/0x2b0 [ 254.329608] 0*2048kB [ 254.331577] ? enqueue_hrtimer+0x1a5/0x560 [ 254.336562] 0*4096kB = 13948kB [ 254.338972] ? lock_release+0x970/0x970 [ 254.343098] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 254.345493] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 254.349707] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 254.352881] ? check_preemption_disabled+0x48/0x200 [ 254.356845] 4244 total pagecache pages [ 254.365668] ? kasan_check_write+0x14/0x20 [ 254.370845] 0 pages in swap cache [ 254.379410] ? pvclock_read_flags+0x160/0x160 [ 254.384397] Swap cache stats: add 0, delete 0, find 0/0 [ 254.388281] ? lock_downgrade+0x900/0x900 [ 254.392489] Free swap = 0kB [ 254.395934] ? trace_hardirqs_on+0xbd/0x310 [ 254.400401] Total swap = 0kB [ 254.405770] ? kvm_sched_clock_read+0x9/0x20 [ 254.405787] ? irq_exit+0x17f/0x1c0 [ 254.409913] 1965979 pages RAM [ 254.412927] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.417218] 0 pages HighMem/MovableOnly [ 254.420226] ? check_preemption_disabled+0x48/0x200 [ 254.424607] 342307 pages reserved [ 254.428241] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.431315] 0 pages cma reserved [ 254.436840] run_timer_softirq+0x52/0xb0 [ 254.440849] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 254.445819] ? __this_cpu_preempt_check+0x1c/0x1f [ 254.449329] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 254.454795] __do_softirq+0x30b/0xad8 [ 254.458137] syz-executor2 cpuset= [ 254.462198] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 254.468657] syz2 [ 254.473489] ? pvclock_read_flags+0x160/0x160 [ 254.483974] mems_allowed=0 [ 254.487779] ? lapic_next_event+0x5a/0x90 [ 254.509785] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.515316] ? clockevents_program_event+0x140/0x370 [ 254.520416] ? kvm_clock_read+0x18/0x30 [ 254.524386] ? kvm_sched_clock_read+0x9/0x20 [ 254.528805] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.534365] ? check_preemption_disabled+0x48/0x200 [ 254.539393] irq_exit+0x17f/0x1c0 [ 254.542838] smp_apic_timer_interrupt+0x1cb/0x760 [ 254.547674] ? smp_reschedule_interrupt+0x109/0x650 [ 254.552701] ? smp_call_function_single_interrupt+0x650/0x650 [ 254.558603] ? interrupt_entry+0xb5/0xf0 [ 254.562675] ? trace_hardirqs_off_caller+0xbb/0x310 [ 254.567685] ? trace_hardirqs_off_caller+0xbb/0x310 [ 254.572698] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 254.577531] ? trace_hardirqs_on_caller+0x310/0x310 [ 254.582538] ? trace_hardirqs_on_caller+0x310/0x310 [ 254.587551] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 254.593082] ? check_preemption_disabled+0x48/0x200 [ 254.598100] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 254.603652] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 254.608491] apic_timer_interrupt+0xf/0x20 [ 254.612713] [ 254.614953] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 254.620153] Code: 00 e8 97 f5 a3 f9 e8 d2 63 d3 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d 24 75 80 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d fa 74 [ 254.639043] RSP: 0000:ffff8801bbdd6150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 254.646750] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 254.654047] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe740 [ 254.661310] RBP: ffff8801bbdd6178 R08: ffff8801d838c080 R09: ffffed003b5e5979 [ 254.668570] R10: ffffed003b5e5979 R11: ffff8801daf2cbcb R12: dffffc0000000000 [ 254.675833] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 254.683128] ? trace_hardirqs_on+0x9a/0x310 [ 254.687443] ? trace_hardirqs_on+0xb4/0x310 [ 254.691783] retint_kernel+0x1b/0x2d [ 254.695508] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 254.700772] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 21 17 fa 48 83 3d 99 9c 86 01 00 75 07 e8 9a 7f d3 f9 0f 0b e8 93 7f d3 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 21 17 fa 4c 8b 45 d0 e9 [ 254.719663] RSP: 0000:ffff8801bbdd6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 254.727365] RAX: ffff8801d838c080 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 254.734628] RDX: 0000000000000000 RSI: ffffffff87ab55fd RDI: 0000000000000293 [ 254.741892] RBP: ffff8801bbdd6240 R08: ffff8801d838c080 R09: fffffbfff13d9700 [ 254.749152] R10: fffffbfff13d9700 R11: 0000000000000003 R12: 0000000000000293 [ 254.756415] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff8931f280 [ 254.763709] ? trace_hardirqs_on+0x9a/0x310 [ 254.768023] ? arch_local_irq_restore+0x45/0x52 [ 254.772687] dump_stack+0x26a/0x2b4 [ 254.776351] ? dump_stack_print_info.cold.2+0x52/0x52 [ 254.781540] ? mark_held_locks+0x130/0x130 [ 254.785787] ? mark_held_locks+0x130/0x130 [ 254.790037] dump_header+0x27b/0xf72 [ 254.793755] ? rcu_read_unlock+0x16/0x60 [ 254.797823] ? pagefault_out_of_memory+0x197/0x197 [ 254.802754] ? mark_held_locks+0x130/0x130 [ 254.807001] ? percpu_ref_put_many+0x13e/0x260 [ 254.811583] ? mem_cgroup_charge_statistics+0x780/0x780 [ 254.816949] ? mem_cgroup_iter+0x1f7/0x1160 [ 254.821285] ? mark_held_locks+0x130/0x130 [ 254.825524] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.831057] ? task_will_free_mem+0x239/0xb30 [ 254.835555] ? ___ratelimit+0x36f/0x655 [ 254.839523] ? lock_downgrade+0x900/0x900 [ 254.843670] ? trace_hardirqs_on+0xbd/0x310 [ 254.847984] ? kasan_check_read+0x11/0x20 [ 254.852124] ? ___ratelimit+0x36f/0x655 [ 254.856092] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 254.861536] ? trace_hardirqs_on+0x310/0x310 [ 254.865969] ? lock_downgrade+0x900/0x900 [ 254.870113] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 254.875223] ? ___ratelimit+0xaa/0x655 [ 254.879108] ? idr_get_free+0xec0/0xec0 [ 254.883075] ? kasan_check_write+0x14/0x20 [ 254.887301] ? do_raw_spin_lock+0xc1/0x200 [ 254.891530] oom_kill_process.cold.27+0x10/0x903 [ 254.896298] ? lock_downgrade+0x900/0x900 [ 254.900444] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 254.906239] ? oom_evaluate_task+0x540/0x540 [ 254.910648] ? shrink_node+0x16b0/0x16b0 [ 254.914704] ? oom_unkillable_task+0x383/0x580 [ 254.919279] ? out_of_memory+0x974/0x1430 [ 254.923421] ? lock_downgrade+0x900/0x900 [ 254.927567] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 254.933374] ? __cpuset_node_allowed+0x19b/0x660 [ 254.938140] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 254.943674] ? oom_evaluate_task+0x302/0x540 [ 254.948081] out_of_memory+0xa84/0x1430 [ 254.952058] ? oom_killer_disable+0x3a0/0x3a0 [ 254.956550] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 254.961472] ? __mutex_add_waiter+0x2a0/0x2a0 [ 254.965965] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 254.970978] ? find_next_bit+0x104/0x130 [ 254.975154] __alloc_pages_slowpath+0x2318/0x2d80 [ 254.980013] ? warn_alloc+0x120/0x120 [ 254.983810] ? __radix_tree_lookup+0x4c0/0x4c0 [ 254.988408] ? find_get_entry+0x2f2/0xc40 [ 254.992554] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 254.997478] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 255.003023] ? should_fail+0x22d/0xd01 [ 255.006905] ? ___might_sleep+0x1ed/0x300 [ 255.011046] ? lock_release+0x970/0x970 [ 255.015014] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 255.020110] ? debug_smp_processor_id+0x1c/0x20 [ 255.024781] ? __might_sleep+0x95/0x190 [ 255.028764] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 255.033606] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 255.038615] ? lock_downgrade+0x900/0x900 [ 255.042763] ? ___might_sleep+0x1ed/0x300 [ 255.046902] ? lock_release+0x970/0x970 [ 255.050882] ? arch_local_save_flags+0x40/0x40 [ 255.055456] ? finish_task_switch+0x1f5/0x900 [ 255.059949] ? __might_sleep+0x95/0x190 [ 255.063918] __alloc_pages_nodemask+0xa80/0xde0 [ 255.068601] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 255.073616] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 255.079870] ? kasan_check_write+0x14/0x20 [ 255.084107] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 255.088778] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.094312] ? __do_page_cache_readahead+0x7ce/0x980 [ 255.099420] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 255.104950] alloc_pages_current+0x10c/0x210 [ 255.109399] ? lock_downgrade+0x900/0x900 [ 255.113563] __page_cache_alloc+0x38f/0x5b0 [ 255.117886] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 255.123682] ? ext4_filemap_fault+0x82/0xad [ 255.127999] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 255.132665] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 255.138195] ? check_preemption_disabled+0x48/0x200 [ 255.143205] filemap_fault+0x1594/0x25f0 [ 255.147283] ? __lock_page_or_retry+0xa00/0xa00 [ 255.151962] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 255.157766] ? unwind_dump+0x190/0x190 [ 255.161657] ? is_bpf_text_address+0xd3/0x170 [ 255.166204] ? filemap_map_pages+0xdea/0x1980 [ 255.170709] ? find_get_pages_range_tag+0x1320/0x1320 [ 255.175890] ? save_stack+0xa9/0xd0 [ 255.179522] ? save_stack+0x43/0xd0 [ 255.183143] ? __kasan_slab_free+0x102/0x150 [ 255.187548] ? __sigqueue_free.part.27+0x7d/0xa0 [ 255.192298] ? __dequeue_signal+0x530/0x7d0 [ 255.196609] ? dequeue_signal+0x26c/0x630 [ 255.200757] ? get_signal+0x3ec/0x1980 [ 255.204657] ? do_signal+0x9c/0x21e0 [ 255.208367] ? exit_to_usermode_loop+0x2e5/0x380 [ 255.213120] ? mark_held_locks+0x130/0x130 [ 255.217351] ? trace_hardirqs_on+0x310/0x310 [ 255.221764] ? lock_acquire+0x1ed/0x520 [ 255.225734] ? ext4_filemap_fault+0x7a/0xad [ 255.230065] ? lock_release+0x970/0x970 [ 255.234051] ? arch_local_save_flags+0x40/0x40 [ 255.238643] ? mark_held_locks+0x130/0x130 [ 255.242889] ? trace_hardirqs_off+0xb8/0x310 [ 255.247337] ? down_read+0xb0/0x1d0 [ 255.250970] ? ext4_filemap_fault+0x7a/0xad [ 255.255285] ? __down_interruptible+0x700/0x700 [ 255.259945] ? kmem_cache_free+0x21a/0x290 [ 255.264188] ? __sigqueue_free.part.27+0x7d/0xa0 [ 255.268944] ? __dequeue_signal+0xf9/0x7d0 [ 255.273183] ext4_filemap_fault+0x82/0xad [ 255.277324] __do_fault+0x100/0x6b0 [ 255.280945] ? print_bad_pte+0x6c0/0x6c0 [ 255.285016] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 255.290547] ? pmd_val+0x88/0x100 [ 255.294008] ? add_mm_counter_fast+0xd0/0xd0 [ 255.298425] ? pmd_val+0x88/0x100 [ 255.301872] ? add_mm_counter_fast+0xd0/0xd0 [ 255.306274] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 255.311853] __handle_mm_fault+0x3709/0x53e0 [ 255.316288] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 255.321126] ? kasan_check_write+0x14/0x20 [ 255.325360] ? do_raw_spin_lock+0xc1/0x200 [ 255.329596] ? _raw_spin_unlock_irq+0x60/0x80 [ 255.334085] ? __set_current_blocked+0xe4/0x120 [ 255.338766] ? lock_acquire+0x1ed/0x520 [ 255.342753] ? handle_mm_fault+0x42a/0xc70 [ 255.347004] ? lock_downgrade+0x900/0x900 [ 255.351171] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 255.356986] ? __do_page_fault+0x67d/0xed0 [ 255.361223] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 255.366675] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 255.372219] ? check_preemption_disabled+0x48/0x200 [ 255.377235] handle_mm_fault+0x54f/0xc70 [ 255.381314] ? __handle_mm_fault+0x53e0/0x53e0 [ 255.385890] ? find_vma+0x34/0x190 [ 255.389429] __do_page_fault+0x67d/0xed0 [ 255.393490] ? mm_fault_error+0x380/0x380 [ 255.397634] ? syscall_slow_exit_work+0x520/0x520 [ 255.402478] do_page_fault+0xf2/0x7e0 [ 255.406279] ? vmalloc_sync_all+0x30/0x30 [ 255.410422] ? error_entry+0x70/0xd0 [ 255.414131] ? trace_hardirqs_off_caller+0xbb/0x310 [ 255.419140] ? trace_hardirqs_on_caller+0xc0/0x310 [ 255.424076] ? syscall_return_slowpath+0x5e0/0x5e0 [ 255.428998] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 255.433834] ? trace_hardirqs_on_caller+0x310/0x310 [ 255.438848] ? trace_hardirqs_off+0x310/0x310 [ 255.443339] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 255.448346] ? prepare_exit_to_usermode+0x291/0x3b0 [ 255.453367] ? page_fault+0x8/0x30 [ 255.456924] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 255.461768] ? page_fault+0x8/0x30 [ 255.465305] page_fault+0x1e/0x30 [ 255.468757] RIP: 0033:0x45db60 [ 255.471959] Code: Bad RIP value. [ 255.475347] RSP: 002b:000000c420049ab8 EFLAGS: 00010286 [ 255.480704] RAX: 0000000000000000 RBX: 000000c420026380 RCX: 000000000045ddf3 [ 255.487968] RDX: 000000c420049ac0 RSI: 000000c420049bf0 RDI: 0000000000000011 [ 255.495228] RBP: 000000c420022f08 R08: 0000000000000000 R09: 0000000000000000 [ 255.502509] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42005c168 [ 255.509778] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000 [ 255.517066] CPU: 0 PID: 7800 Comm: syz-executor2 Not tainted 4.19.0-rc6+ #119 [ 255.517147] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 255.524378] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 255.530946] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 255.540205] Call Trace: [ 255.550409] syz-fuzzer cpuset= [ 255.552986] [ 255.552987] / mems_allowed=0 [ 255.556178] dump_stack+0x1c4/0x2b4 [ 255.564972] ? dump_stack_print_info.cold.2+0x52/0x52 [ 255.570171] warn_alloc.cold.119+0xb7/0x1bd [ 255.574488] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 255.579322] ? lock_downgrade+0x900/0x900 [ 255.583466] ? trace_hardirqs_off+0xb8/0x310 [ 255.587872] ? trace_hardirqs_off+0xb8/0x310 [ 255.592280] __alloc_pages_slowpath+0x2667/0x2d80 [ 255.597131] ? warn_alloc+0x120/0x120 [ 255.600975] ? trace_hardirqs_on+0x310/0x310 [ 255.605380] ? warn_alloc+0x120/0x120 [ 255.609228] ? warn_alloc+0x120/0x120 [ 255.613021] ? ktime_get+0x2e1/0x440 [ 255.616727] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.622269] ? check_preemption_disabled+0x48/0x200 [ 255.627299] ? kasan_check_read+0x11/0x20 [ 255.631477] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 255.637029] ? should_fail+0x22d/0xd01 [ 255.640928] ? rcu_bh_qs+0xc0/0xc0 [ 255.644464] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 255.649561] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 255.655094] ? should_fail+0x22d/0xd01 [ 255.658994] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 255.664092] ? should_fail+0x22d/0xd01 [ 255.667973] ? rcu_idle_enter+0x4b0/0x4b0 [ 255.672115] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 255.677217] ? mark_held_locks+0x130/0x130 [ 255.681444] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.686975] ? mark_held_locks+0x130/0x130 [ 255.691203] ? rcu_irq_exit+0xce/0x100 [ 255.695086] ? irq_exit+0xbd/0x1c0 [ 255.698619] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 255.703629] ? do_raw_spin_unlock+0xa7/0x2f0 [ 255.708088] ? smp_call_function_single_interrupt+0x650/0x650 [ 255.713967] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.719497] ? ret_from_intr+0xb/0x1e [ 255.723287] ? retint_kernel+0x2d/0x2d [ 255.727168] ? trace_hardirqs_on_caller+0xc0/0x310 [ 255.732091] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 255.736857] ? trace_hardirqs_off+0x310/0x310 [ 255.741363] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 255.746470] __alloc_pages_nodemask+0xa80/0xde0 [ 255.751132] ? should_fail+0x22d/0xd01 [ 255.755033] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 255.760072] ? ____cache_alloc_node+0x1c7/0x1e0 [ 255.764737] ? lock_downgrade+0x900/0x900 [ 255.768899] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.774435] cache_grow_begin+0x91/0x8c0 [ 255.778502] ? do_raw_spin_unlock+0xa7/0x2f0 [ 255.782907] fallback_alloc+0x203/0x2e0 [ 255.786880] ____cache_alloc_node+0x1c7/0x1e0 [ 255.791378] kmem_cache_alloc_node+0xe3/0x730 [ 255.795871] ? ipv6_get_ifaddr+0x42e/0x620 [ 255.800119] __alloc_skb+0x119/0x770 [ 255.803834] ? skb_scrub_packet+0x490/0x490 [ 255.808146] ? lock_downgrade+0x900/0x900 [ 255.812286] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.817860] ? refcount_sub_and_test_checked+0x203/0x310 [ 255.823322] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 255.828771] ? addrconf_rs_timer+0x690/0x690 [ 255.833179] ndisc_alloc_skb+0x144/0x340 [ 255.837240] ndisc_send_rs+0x331/0x6e0 [ 255.841124] addrconf_rs_timer+0x314/0x690 [ 255.845355] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 255.849597] call_timer_fn+0x272/0x920 [ 255.853479] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 255.857711] ? process_timeout+0x40/0x40 [ 255.861771] ? trace_hardirqs_off+0xb8/0x310 [ 255.866170] ? kasan_check_read+0x11/0x20 [ 255.870331] ? do_raw_spin_unlock+0xa7/0x2f0 [ 255.874734] ? trace_hardirqs_on+0x310/0x310 [ 255.879151] ? __run_timers+0x7da/0xc70 [ 255.883118] ? lock_downgrade+0x900/0x900 [ 255.887263] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 255.892363] ? trace_hardirqs_on+0xbd/0x310 [ 255.896674] ? kasan_check_read+0x11/0x20 [ 255.900817] ? __run_timers+0x7da/0xc70 [ 255.904802] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 255.910245] ? kasan_check_write+0x14/0x20 [ 255.914478] ? do_raw_spin_lock+0xc1/0x200 [ 255.918707] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 255.922934] __run_timers+0x7e5/0xc70 [ 255.926737] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 255.932112] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 255.937123] ? timerqueue_add+0x207/0x2b0 [ 255.941271] ? enqueue_hrtimer+0x1a5/0x560 [ 255.945496] ? lock_release+0x970/0x970 [ 255.949477] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 255.954663] ? kasan_check_write+0x14/0x20 [ 255.958897] ? pvclock_read_flags+0x160/0x160 [ 255.963416] ? lock_downgrade+0x900/0x900 [ 255.967564] ? trace_hardirqs_on+0xbd/0x310 [ 255.971894] ? kvm_sched_clock_read+0x9/0x20 [ 255.976326] ? irq_exit+0x17f/0x1c0 [ 255.979947] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.985477] ? check_preemption_disabled+0x48/0x200 [ 255.990485] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.996016] run_timer_softirq+0x52/0xb0 [ 256.000073] ? __this_cpu_preempt_check+0x1c/0x1f [ 256.004906] __do_softirq+0x30b/0xad8 [ 256.008702] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 256.013855] ? pvclock_read_flags+0x160/0x160 [ 256.018344] ? lapic_next_event+0x5a/0x90 [ 256.022491] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.028023] ? clockevents_program_event+0x140/0x370 [ 256.033127] ? kvm_clock_read+0x18/0x30 [ 256.037097] ? kvm_sched_clock_read+0x9/0x20 [ 256.041499] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.047058] ? check_preemption_disabled+0x48/0x200 [ 256.052077] irq_exit+0x17f/0x1c0 [ 256.055523] smp_apic_timer_interrupt+0x1cb/0x760 [ 256.060356] ? smp_reschedule_interrupt+0x109/0x650 [ 256.065388] ? smp_call_function_single_interrupt+0x650/0x650 [ 256.071271] ? interrupt_entry+0xb5/0xf0 [ 256.075325] ? trace_hardirqs_off_caller+0xbb/0x310 [ 256.080337] ? trace_hardirqs_off_caller+0xbb/0x310 [ 256.085349] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 256.090201] ? trace_hardirqs_on_caller+0x310/0x310 [ 256.095236] ? trace_hardirqs_on_caller+0x310/0x310 [ 256.100259] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.105788] ? check_preemption_disabled+0x48/0x200 [ 256.110802] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 256.115645] apic_timer_interrupt+0xf/0x20 [ 256.119868] [ 256.122105] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 256.127980] Code: 3f 7e 0f 85 32 ff ff ff e8 53 4a 3e ff e9 28 ff ff ff e8 ba ad c2 ff 48 83 3d 0a bf 6f 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 62 23 [ 256.146870] RSP: 0018:ffff88019a29f4a8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 256.154589] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000627e000 [ 256.161854] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 256.169137] RBP: ffff88019a29f520 R08: ffff8801ba14e480 R09: fffffbfff12720c0 [ 256.176415] R10: ffff88019a29e0f0 R11: ffffffff89390603 R12: ffff8801da800ac0 [ 256.183673] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286 [ 256.190941] ? trace_hardirqs_on+0xb4/0x310 [ 256.195260] ? save_stack+0xa9/0xd0 [ 256.198914] __kmalloc_node_track_caller+0x33/0x70 [ 256.203852] __kmalloc_reserve.isra.39+0xcc/0xe0 [ 256.208646] pskb_expand_head+0x230/0x10f0 [ 256.212876] ? lock_downgrade+0x900/0x900 [ 256.217019] ? check_preemption_disabled+0x48/0x200 [ 256.222041] ? memcpy+0x45/0x50 [ 256.225316] ? __copy_skb_header+0x350/0x6b0 [ 256.229714] ? __pskb_copy_fclone+0xeb0/0xeb0 [ 256.234205] ? skb_checksum+0x140/0x140 [ 256.238176] ? trace_hardirqs_on+0xbd/0x310 [ 256.242489] ? skb_clone+0x1bb/0x500 [ 256.246197] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 256.251634] ? kasan_unpoison_shadow+0x35/0x50 [ 256.256206] ? kasan_check_write+0x14/0x20 [ 256.260433] ? __skb_clone+0x6c7/0xa00 [ 256.264313] ? __copy_skb_header+0x6b0/0x6b0 [ 256.268740] ? kmem_cache_alloc+0x306/0x730 [ 256.273082] skb_ensure_writable+0x3dd/0x640 [ 256.277501] ? skb_cow_data+0xf10/0xf10 [ 256.281482] ? check_preemption_disabled+0x48/0x200 [ 256.286490] ? __this_cpu_preempt_check+0x1c/0x1f [ 256.291345] ? __bpf_redirect+0x54b/0xb20 [ 256.295492] ? __switch_to_asm+0x34/0x70 [ 256.299548] bpf_clone_redirect+0x14a/0x490 [ 256.303868] bpf_prog_3d1649e183dc2cc1+0xca3/0x1000 [ 256.308877] ? __sched_text_start+0x8/0x8 [ 256.313015] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 256.317776] ? retint_kernel+0x2d/0x2d [ 256.321657] ? trace_hardirqs_on_caller+0xc0/0x310 [ 256.326578] ? retint_kernel+0x2d/0x2d [ 256.330460] ? trace_hardirqs_on_caller+0xc0/0x310 [ 256.335383] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 256.340138] ? trace_hardirqs_off+0x310/0x310 [ 256.344641] ? retint_kernel+0x1b/0x2d [ 256.348542] ? lock_acquire+0x1ed/0x520 [ 256.352511] ? bpf_test_run+0x3cb/0x780 [ 256.356478] ? lock_downgrade+0x900/0x900 [ 256.360627] ? lock_release+0x970/0x970 [ 256.364600] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 256.370397] ? preempt_schedule_common+0x1f/0xd0 [ 256.375151] ? preempt_schedule+0x4d/0x60 [ 256.379290] ? ___preempt_schedule+0x16/0x18 [ 256.383693] ? bpf_test_run+0x25d/0x780 [ 256.387667] ? netlink_diag_dump+0x2a0/0x2a0 [ 256.392068] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 256.397594] ? bpf_test_init.isra.9+0x70/0x100 [ 256.402172] ? bpf_prog_test_run_skb+0x634/0xb40 [ 256.406943] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 256.411786] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 256.417314] ? fput+0x130/0x1a0 [ 256.420584] ? __bpf_prog_get+0x9b/0x290 [ 256.424638] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 256.429471] ? bpf_prog_test_run+0x130/0x1a0 [ 256.433881] ? __x64_sys_bpf+0x3d8/0x510 [ 256.437976] ? bpf_prog_get+0x20/0x20 [ 256.441788] ? __x64_sys_futex+0x4bc/0x6a0 [ 256.446025] ? do_syscall_64+0x1b9/0x820 [ 256.450078] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 256.455470] ? syscall_return_slowpath+0x5e0/0x5e0 [ 256.460426] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 256.465262] ? trace_hardirqs_on_caller+0x310/0x310 [ 256.470275] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 256.475286] ? prepare_exit_to_usermode+0x291/0x3b0 [ 256.480299] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 256.485138] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 256.490500] warn_alloc_show_mem: 1 callbacks suppressed [ 256.490511] CPU: 1 PID: 5806 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #119 [ 256.490512] Mem-Info: [ 256.490540] active_anon:46475 inactive_anon:4207 isolated_anon:0 [ 256.490540] active_file:17 inactive_file:13 isolated_file:0 [ 256.490540] unevictable:0 dirty:0 writeback:0 unstable:0 [ 256.490540] slab_reclaimable:8782 slab_unreclaimable:1485678 [ 256.490540] mapped:8194 shmem:4214 pagetables:396 bounce:0 [ 256.490540] free:13756 free_pcp:276 free_cma:0 [ 256.495876] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 256.502886] Node 0 active_anon:185900kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32776kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 256.505281] Call Trace: [ 256.538228] Node 0 [ 256.547564] [ 256.575326] 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 [ 256.577876] dump_stack+0x1c4/0x2b4 [ 256.580102] lowmem_reserve[]: [ 256.582270] ? dump_stack_print_info.cold.2+0x52/0x52 [ 256.607767] 0 [ 256.611389] warn_alloc.cold.119+0xb7/0x1bd [ 256.614462] 2819 [ 256.619657] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 256.621429] 6323 [ 256.625768] ? lock_downgrade+0x900/0x900 [ 256.627832] 6323 [ 256.632665] ? trace_hardirqs_off+0xb8/0x310 [ 256.638829] ? trace_hardirqs_off+0xb8/0x310 [ 256.640879] Node 0 [ 256.645309] __alloc_pages_slowpath+0x2667/0x2d80 [ 256.649740] DMA32 free:25168kB min:30060kB low:37572kB high:45084kB active_anon:10240kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 256.651985] ? warn_alloc+0x120/0x120 [ 256.656791] lowmem_reserve[]: [ 256.684129] ? trace_hardirqs_on+0x310/0x310 [ 256.687899] 0 [ 256.691006] ? warn_alloc+0x120/0x120 [ 256.695388] 0 [ 256.697177] ? warn_alloc+0x120/0x120 [ 256.700948] 3503 [ 256.702765] ? ktime_get+0x2e1/0x440 [ 256.702781] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.706557] 3503 [ 256.708642] ? check_preemption_disabled+0x48/0x200 [ 256.717848] ? kasan_check_read+0x11/0x20 [ 256.719916] Node 0 [ 256.724936] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 256.729082] Normal free:13948kB min:37352kB low:46688kB high:56024kB active_anon:175660kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5056kB pagetables:1584kB bounce:0kB free_pcp:856kB local_pcp:320kB free_cma:0kB [ 256.731295] ? should_fail+0x22d/0xd01 [ 256.736807] lowmem_reserve[]: [ 256.765269] ? rcu_bh_qs+0xc0/0xc0 [ 256.769142] 0 [ 256.772240] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 256.775759] 0 [ 256.777551] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 256.782634] 0 [ 256.784425] ? should_fail+0x22d/0xd01 [ 256.789953] 0 [ 256.791751] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 256.797432] ? should_fail+0x22d/0xd01 [ 256.802503] Node 0 [ 256.806373] ? rcu_idle_enter+0x4b0/0x4b0 [ 256.806375] DMA: 1*4kB [ 256.808608] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 256.812727] (U) [ 256.815306] ? mark_held_locks+0x130/0x130 [ 256.820381] 0*8kB [ 256.822349] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.826558] 0*16kB [ 256.828699] ? mark_held_locks+0x130/0x130 [ 256.834209] 1*32kB [ 256.836435] ? rcu_irq_exit+0xce/0x100 [ 256.840644] (U) [ 256.842876] ? irq_exit+0xbd/0x1c0 [ 256.846738] 2*64kB [ 256.848710] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 256.852224] (U) [ 256.854457] ? do_raw_spin_unlock+0xa7/0x2f0 [ 256.859446] 1*128kB [ 256.861413] ? smp_call_function_single_interrupt+0x650/0x650 [ 256.865793] (U) [ 256.868106] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.873965] 1*256kB [ 256.875928] ? ret_from_intr+0xb/0x1e [ 256.881433] (U) [ 256.883757] ? retint_kernel+0x2d/0x2d [ 256.887531] 0*512kB [ 256.889509] ? trace_hardirqs_on_caller+0xc0/0x310 [ 256.893366] 1*1024kB [ 256.895717] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 256.900626] (U) [ 256.903024] ? trace_hardirqs_off+0x310/0x310 [ 256.907773] 1*2048kB [ 256.909736] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 256.914210] (M) [ 256.916612] __alloc_pages_nodemask+0xa80/0xde0 [ 256.921683] 3*4096kB [ 256.923652] ? should_fail+0x22d/0xd01 [ 256.928294] (M) [ 256.930691] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 256.934550] = 15908kB [ 256.936519] ? ____cache_alloc_node+0x1c7/0x1e0 [ 256.941495] Node 0 [ 256.943935] ? lock_downgrade+0x900/0x900 [ 256.949103] DMA32: 2*4kB [ 256.951338] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.955471] (M) [ 256.958233] cache_grow_begin+0x91/0x8c0 [ 256.963750] 1*8kB [ 256.965713] ? do_raw_spin_unlock+0xa7/0x2f0 [ 256.969741] (M) [ 256.971891] fallback_alloc+0x203/0x2e0 [ 256.976272] 2*16kB [ 256.978238] ____cache_alloc_node+0x1c7/0x1e0 [ 256.982187] (M) [ 256.984414] kmem_cache_alloc_node+0xe3/0x730 [ 256.988884] 3*32kB [ 256.990848] ? ipv6_get_ifaddr+0x42e/0x620 [ 256.995316] (MH) [ 256.997548] __alloc_skb+0x119/0x770 [ 257.001762] 5*64kB [ 257.003816] ? skb_scrub_packet+0x490/0x490 [ 257.007500] (MH) [ 257.009730] ? lock_downgrade+0x900/0x900 [ 257.014033] 3*128kB [ 257.016088] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.020220] (M) [ 257.022551] ? refcount_sub_and_test_checked+0x203/0x310 [ 257.028059] 5*256kB [ 257.030021] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 257.035444] (UMH) [ 257.037761] ? addrconf_rs_timer+0x690/0x690 [ 257.043189] 5*512kB [ 257.045325] ndisc_alloc_skb+0x144/0x340 [ 257.049702] (UMH) [ 257.052014] ndisc_send_rs+0x331/0x6e0 [ 257.056047] 4*1024kB [ 257.058186] addrconf_rs_timer+0x314/0x690 [ 257.062078] (UMH) [ 257.064481] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 257.068694] 2*2048kB [ 257.070834] call_timer_fn+0x272/0x920 [ 257.075037] (M) [ 257.077919] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 257.081784] 3*4096kB [ 257.083758] ? process_timeout+0x40/0x40 [ 257.087968] (M) [ 257.090367] ? trace_hardirqs_off+0xb8/0x310 [ 257.094402] = 25168kB [ 257.096366] ? kasan_check_read+0x11/0x20 [ 257.100752] Node 0 [ 257.103149] ? do_raw_spin_unlock+0xa7/0x2f0 [ 257.107287] Normal: [ 257.109511] ? trace_hardirqs_on+0x310/0x310 [ 257.113893] 1081*4kB [ 257.116205] ? __run_timers+0x7da/0xc70 [ 257.120581] (UMEH) [ 257.122981] ? lock_downgrade+0x900/0x900 [ 257.126929] 387*8kB [ 257.129157] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 257.133290] (ME) [ 257.135604] ? trace_hardirqs_on+0xbd/0x310 [ 257.140681] 152*16kB [ 257.142761] ? kasan_check_read+0x11/0x20 [ 257.147060] (UME) [ 257.149460] ? __run_timers+0x7da/0xc70 [ 257.153577] 54*32kB [ 257.155720] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 257.159666] (UME) [ 257.161976] ? kasan_check_write+0x14/0x20 [ 257.167431] 21*64kB [ 257.169570] ? do_raw_spin_lock+0xc1/0x200 [ 257.173788] (UM) [ 257.176107] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 257.180328] 0*128kB [ 257.182379] __run_timers+0x7e5/0xc70 [ 257.186587] 0*256kB [ 257.188906] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 257.192676] 2*512kB [ 257.195013] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 257.200363] (U) [ 257.202683] ? timerqueue_add+0x207/0x2b0 [ 257.207669] 0*1024kB [ 257.209631] ? enqueue_hrtimer+0x1a5/0x560 [ 257.213761] 0*2048kB [ 257.216173] ? lock_release+0x970/0x970 [ 257.220385] 0*4096kB [ 257.222788] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 257.226735] = 13948kB [ 257.229142] ? check_preemption_disabled+0x48/0x200 [ 257.234308] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 257.236702] ? kasan_check_write+0x14/0x20 [ 257.241697] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 257.250515] ? pvclock_read_flags+0x160/0x160 [ 257.254724] 4244 total pagecache pages [ 257.263293] ? lock_downgrade+0x900/0x900 [ 257.267767] 0 pages in swap cache [ 257.271644] ? trace_hardirqs_on+0xbd/0x310 [ 257.275777] Swap cache stats: add 0, delete 0, find 0/0 [ 257.279233] ? kvm_sched_clock_read+0x9/0x20 [ 257.283540] Free swap = 0kB [ 257.288891] ? irq_exit+0x17f/0x1c0 [ 257.293271] Total swap = 0kB [ 257.296283] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.299882] 1965979 pages RAM [ 257.302890] ? check_preemption_disabled+0x48/0x200 [ 257.308415] 0 pages HighMem/MovableOnly [ 257.311511] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.316499] 342307 pages reserved [ 257.320464] run_timer_softirq+0x52/0xb0 [ 257.325986] 0 pages cma reserved [ 257.329444] ? __this_cpu_preempt_check+0x1c/0x1f [ 257.333546] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 257.336852] __do_softirq+0x30b/0xad8 [ 257.341751] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 257.348176] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 257.351955] syz-executor2 cpuset= [ 257.362429] ? pvclock_read_flags+0x160/0x160 [ 257.367512] syz2 [ 257.370957] ? lapic_next_event+0x5a/0x90 [ 257.375426] mems_allowed=0 [ 257.377396] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.389971] ? clockevents_program_event+0x140/0x370 [ 257.395121] ? kvm_clock_read+0x18/0x30 [ 257.399091] ? kvm_sched_clock_read+0x9/0x20 [ 257.403497] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.409041] ? check_preemption_disabled+0x48/0x200 [ 257.414058] irq_exit+0x17f/0x1c0 [ 257.417505] smp_apic_timer_interrupt+0x1cb/0x760 [ 257.422342] ? smp_reschedule_interrupt+0x109/0x650 [ 257.427351] ? smp_call_function_single_interrupt+0x650/0x650 [ 257.433266] ? interrupt_entry+0xb5/0xf0 [ 257.437356] ? trace_hardirqs_off_caller+0xbb/0x310 [ 257.442366] ? trace_hardirqs_off_caller+0xbb/0x310 [ 257.447383] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 257.452218] ? trace_hardirqs_on_caller+0x310/0x310 [ 257.457232] ? trace_hardirqs_on_caller+0x310/0x310 [ 257.462318] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 257.467868] ? check_preemption_disabled+0x48/0x200 [ 257.472879] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 257.478430] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 257.483280] apic_timer_interrupt+0xf/0x20 [ 257.487506] [ 257.489737] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 257.494984] Code: 00 e8 97 f5 a3 f9 e8 d2 63 d3 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d 24 75 80 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d fa 74 [ 257.513981] RSP: 0000:ffff8801bbdd6150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 257.521689] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 257.528959] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe740 [ 257.536221] RBP: ffff8801bbdd6178 R08: ffff8801d838c080 R09: ffffed003b5e5979 [ 257.543482] R10: ffffed003b5e5979 R11: ffff8801daf2cbcb R12: dffffc0000000000 [ 257.550753] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 257.558055] ? trace_hardirqs_on+0x9a/0x310 [ 257.562371] ? trace_hardirqs_on+0xb4/0x310 [ 257.566698] retint_kernel+0x1b/0x2d [ 257.570411] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 257.575705] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 21 17 fa 48 83 3d 99 9c 86 01 00 75 07 e8 9a 7f d3 f9 0f 0b e8 93 7f d3 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 21 17 fa 4c 8b 45 d0 e9 [ 257.594618] RSP: 0000:ffff8801bbdd6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 257.602336] RAX: ffff8801d838c080 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 257.609629] RDX: 0000000000000000 RSI: ffffffff87ab55fd RDI: 0000000000000293 [ 257.616891] RBP: ffff8801bbdd6240 R08: ffff8801d838c080 R09: fffffbfff13d9700 [ 257.624163] R10: fffffbfff13d9700 R11: 0000000000000003 R12: 0000000000000293 [ 257.631423] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff8931f280 [ 257.638712] ? trace_hardirqs_on+0x9a/0x310 [ 257.643035] ? arch_local_irq_restore+0x45/0x52 [ 257.647699] dump_stack+0x26a/0x2b4 [ 257.651323] ? dump_stack_print_info.cold.2+0x52/0x52 [ 257.656511] ? mark_held_locks+0x130/0x130 [ 257.660759] ? mark_held_locks+0x130/0x130 [ 257.665013] dump_header+0x27b/0xf72 [ 257.668723] ? rcu_read_unlock+0x16/0x60 [ 257.672824] ? pagefault_out_of_memory+0x197/0x197 [ 257.677760] ? mark_held_locks+0x130/0x130 [ 257.681994] ? percpu_ref_put_many+0x13e/0x260 [ 257.686568] ? mem_cgroup_charge_statistics+0x780/0x780 [ 257.691932] ? mem_cgroup_iter+0x1f7/0x1160 [ 257.696246] ? mark_held_locks+0x130/0x130 [ 257.700488] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.706062] ? task_will_free_mem+0x239/0xb30 [ 257.710557] ? ___ratelimit+0x36f/0x655 [ 257.714531] ? lock_downgrade+0x900/0x900 [ 257.718677] ? trace_hardirqs_on+0xbd/0x310 [ 257.722994] ? kasan_check_read+0x11/0x20 [ 257.727149] ? ___ratelimit+0x36f/0x655 [ 257.731120] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 257.736569] ? trace_hardirqs_on+0x310/0x310 [ 257.740986] ? lock_downgrade+0x900/0x900 [ 257.745146] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 257.750249] ? ___ratelimit+0xaa/0x655 [ 257.754155] ? idr_get_free+0xec0/0xec0 [ 257.758126] ? kasan_check_write+0x14/0x20 [ 257.762363] ? do_raw_spin_lock+0xc1/0x200 [ 257.766594] oom_kill_process.cold.27+0x10/0x903 [ 257.771347] ? lock_downgrade+0x900/0x900 [ 257.775500] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 257.781295] ? oom_evaluate_task+0x540/0x540 [ 257.785701] ? shrink_node+0x16b0/0x16b0 [ 257.789766] ? oom_unkillable_task+0x383/0x580 [ 257.794343] ? out_of_memory+0x974/0x1430 [ 257.798483] ? lock_downgrade+0x900/0x900 [ 257.802627] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 257.808418] ? __cpuset_node_allowed+0x19b/0x660 [ 257.813200] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 257.818770] ? oom_evaluate_task+0x302/0x540 [ 257.823175] out_of_memory+0xa84/0x1430 [ 257.827164] ? oom_killer_disable+0x3a0/0x3a0 [ 257.831712] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 257.836779] ? __mutex_add_waiter+0x2a0/0x2a0 [ 257.841288] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 257.846298] ? find_next_bit+0x104/0x130 [ 257.850363] __alloc_pages_slowpath+0x2318/0x2d80 [ 257.855285] ? warn_alloc+0x120/0x120 [ 257.859086] ? __radix_tree_lookup+0x4c0/0x4c0 [ 257.863675] ? find_get_entry+0x2f2/0xc40 [ 257.867840] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 257.872768] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 257.878303] ? should_fail+0x22d/0xd01 [ 257.882187] ? ___might_sleep+0x1ed/0x300 [ 257.886339] ? lock_release+0x970/0x970 [ 257.890323] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 257.895427] ? debug_smp_processor_id+0x1c/0x20 [ 257.900104] ? __might_sleep+0x95/0x190 [ 257.904089] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 257.908936] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 257.913956] ? lock_downgrade+0x900/0x900 [ 257.918136] ? ___might_sleep+0x1ed/0x300 [ 257.922275] ? lock_release+0x970/0x970 [ 257.926268] ? arch_local_save_flags+0x40/0x40 [ 257.930846] ? finish_task_switch+0x1f5/0x900 [ 257.935345] ? __might_sleep+0x95/0x190 [ 257.939315] __alloc_pages_nodemask+0xa80/0xde0 [ 257.943981] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 257.948992] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 257.954781] ? kasan_check_write+0x14/0x20 [ 257.959020] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 257.963689] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.969220] ? __do_page_cache_readahead+0x7ce/0x980 [ 257.974359] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 257.979930] alloc_pages_current+0x10c/0x210 [ 257.984337] ? lock_downgrade+0x900/0x900 [ 257.988481] __page_cache_alloc+0x38f/0x5b0 [ 257.992809] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 257.998605] ? ext4_filemap_fault+0x82/0xad [ 258.002923] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 258.007584] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 258.013135] ? check_preemption_disabled+0x48/0x200 [ 258.018151] filemap_fault+0x1594/0x25f0 [ 258.022214] ? __lock_page_or_retry+0xa00/0xa00 [ 258.026894] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 258.032711] ? unwind_dump+0x190/0x190 [ 258.036598] ? is_bpf_text_address+0xd3/0x170 [ 258.041088] ? filemap_map_pages+0xdea/0x1980 [ 258.045588] ? find_get_pages_range_tag+0x1320/0x1320 [ 258.050779] ? save_stack+0xa9/0xd0 [ 258.054404] ? save_stack+0x43/0xd0 [ 258.058023] ? __kasan_slab_free+0x102/0x150 [ 258.062427] ? __sigqueue_free.part.27+0x7d/0xa0 [ 258.067182] ? __dequeue_signal+0x530/0x7d0 [ 258.071497] ? dequeue_signal+0x26c/0x630 [ 258.075635] ? get_signal+0x3ec/0x1980 [ 258.079533] ? do_signal+0x9c/0x21e0 [ 258.083265] ? exit_to_usermode_loop+0x2e5/0x380 [ 258.088022] ? mark_held_locks+0x130/0x130 [ 258.092248] ? trace_hardirqs_on+0x310/0x310 [ 258.096675] ? lock_acquire+0x1ed/0x520 [ 258.100639] ? ext4_filemap_fault+0x7a/0xad [ 258.104957] ? lock_release+0x970/0x970 [ 258.108930] ? arch_local_save_flags+0x40/0x40 [ 258.113510] ? mark_held_locks+0x130/0x130 [ 258.117741] ? trace_hardirqs_off+0xb8/0x310 [ 258.122175] ? down_read+0xb0/0x1d0 [ 258.125807] ? ext4_filemap_fault+0x7a/0xad [ 258.130122] ? __down_interruptible+0x700/0x700 [ 258.134803] ? kmem_cache_free+0x21a/0x290 [ 258.139036] ? __sigqueue_free.part.27+0x7d/0xa0 [ 258.143787] ? __dequeue_signal+0xf9/0x7d0 [ 258.148028] ext4_filemap_fault+0x82/0xad [ 258.152173] __do_fault+0x100/0x6b0 [ 258.155797] ? print_bad_pte+0x6c0/0x6c0 [ 258.159860] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 258.165395] ? pmd_val+0x88/0x100 [ 258.168841] ? add_mm_counter_fast+0xd0/0xd0 [ 258.173246] ? pmd_val+0x88/0x100 [ 258.176695] ? add_mm_counter_fast+0xd0/0xd0 [ 258.181100] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 258.186632] __handle_mm_fault+0x3709/0x53e0 [ 258.191079] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 258.195915] ? kasan_check_write+0x14/0x20 [ 258.200142] ? do_raw_spin_lock+0xc1/0x200 [ 258.204373] ? _raw_spin_unlock_irq+0x60/0x80 [ 258.208863] ? __set_current_blocked+0xe4/0x120 [ 258.213534] ? lock_acquire+0x1ed/0x520 [ 258.217503] ? handle_mm_fault+0x42a/0xc70 [ 258.221735] ? lock_downgrade+0x900/0x900 [ 258.225901] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 258.231695] ? __do_page_fault+0x67d/0xed0 [ 258.235928] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 258.241368] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 258.246893] ? check_preemption_disabled+0x48/0x200 [ 258.251904] handle_mm_fault+0x54f/0xc70 [ 258.255957] ? __handle_mm_fault+0x53e0/0x53e0 [ 258.260535] ? find_vma+0x34/0x190 [ 258.264082] __do_page_fault+0x67d/0xed0 [ 258.268145] ? mm_fault_error+0x380/0x380 [ 258.272292] ? syscall_slow_exit_work+0x520/0x520 [ 258.277144] do_page_fault+0xf2/0x7e0 [ 258.280953] ? vmalloc_sync_all+0x30/0x30 [ 258.285094] ? error_entry+0x70/0xd0 [ 258.288838] ? trace_hardirqs_off_caller+0xbb/0x310 [ 258.293846] ? trace_hardirqs_on_caller+0xc0/0x310 [ 258.298776] ? syscall_return_slowpath+0x5e0/0x5e0 [ 258.303701] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 258.308538] ? trace_hardirqs_on_caller+0x310/0x310 [ 258.313548] ? trace_hardirqs_off+0x310/0x310 [ 258.318066] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 258.323080] ? prepare_exit_to_usermode+0x291/0x3b0 [ 258.328091] ? page_fault+0x8/0x30 [ 258.331637] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 258.336476] ? page_fault+0x8/0x30 [ 258.340015] page_fault+0x1e/0x30 [ 258.343460] RIP: 0033:0x45db60 [ 258.346645] Code: Bad RIP value. [ 258.350012] RSP: 002b:000000c420049ab8 EFLAGS: 00010286 [ 258.355372] RAX: 0000000000000000 RBX: 000000c420026380 RCX: 000000000045ddf3 [ 258.362637] RDX: 000000c420049ac0 RSI: 000000c420049bf0 RDI: 0000000000000011 [ 258.369905] RBP: 000000c420022f08 R08: 0000000000000000 R09: 0000000000000000 [ 258.377166] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42005c168 [ 258.384428] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000 [ 258.391707] CPU: 0 PID: 7800 Comm: syz-executor2 Not tainted 4.19.0-rc6+ #119 [ 258.391760] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 258.398996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 258.399001] Call Trace: [ 258.399006] [ 258.399020] dump_stack+0x1c4/0x2b4 [ 258.399050] ? dump_stack_print_info.cold.2+0x52/0x52 [ 258.405571] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 258.414880] warn_alloc.cold.119+0xb7/0x1bd [ 258.417435] syz-fuzzer cpuset= [ 258.419573] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 258.423188] / [ 258.428382] ? lock_downgrade+0x900/0x900 [ 258.438575] mems_allowed=0 [ 258.442883] ? trace_hardirqs_off+0xb8/0x310 [ 258.464057] ? trace_hardirqs_off+0xb8/0x310 [ 258.468464] __alloc_pages_slowpath+0x2667/0x2d80 [ 258.473318] ? warn_alloc+0x120/0x120 [ 258.477115] ? trace_hardirqs_on+0x310/0x310 [ 258.481523] ? warn_alloc+0x120/0x120 [ 258.485325] ? warn_alloc+0x120/0x120 [ 258.489119] ? ktime_get+0x2e1/0x440 [ 258.492823] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.498352] ? check_preemption_disabled+0x48/0x200 [ 258.503364] ? kasan_check_read+0x11/0x20 [ 258.507507] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 258.513074] ? should_fail+0x22d/0xd01 [ 258.516953] ? rcu_bh_qs+0xc0/0xc0 [ 258.520491] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 258.525586] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 258.531118] ? should_fail+0x22d/0xd01 [ 258.534999] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 258.540097] ? should_fail+0x22d/0xd01 [ 258.543986] ? rcu_idle_enter+0x4b0/0x4b0 [ 258.548129] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 258.553226] ? mark_held_locks+0x130/0x130 [ 258.557454] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.562985] ? mark_held_locks+0x130/0x130 [ 258.567216] ? rcu_irq_exit+0xce/0x100 [ 258.571116] ? irq_exit+0xbd/0x1c0 [ 258.574653] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 258.579676] ? do_raw_spin_unlock+0xa7/0x2f0 [ 258.584110] ? smp_call_function_single_interrupt+0x650/0x650 [ 258.590020] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.595553] ? ret_from_intr+0xb/0x1e [ 258.599351] ? retint_kernel+0x2d/0x2d [ 258.603232] ? trace_hardirqs_on_caller+0xc0/0x310 [ 258.608176] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 258.612924] ? trace_hardirqs_off+0x310/0x310 [ 258.617426] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 258.622547] __alloc_pages_nodemask+0xa80/0xde0 [ 258.627228] ? should_fail+0x22d/0xd01 [ 258.631115] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 258.636135] ? ____cache_alloc_node+0x1c7/0x1e0 [ 258.640795] ? lock_downgrade+0x900/0x900 [ 258.644939] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.650471] cache_grow_begin+0x91/0x8c0 [ 258.654529] ? do_raw_spin_unlock+0xa7/0x2f0 [ 258.658939] fallback_alloc+0x203/0x2e0 [ 258.662912] ____cache_alloc_node+0x1c7/0x1e0 [ 258.667404] kmem_cache_alloc_node+0xe3/0x730 [ 258.671895] ? ipv6_get_ifaddr+0x42e/0x620 [ 258.676164] __alloc_skb+0x119/0x770 [ 258.679891] ? skb_scrub_packet+0x490/0x490 [ 258.684210] ? lock_downgrade+0x900/0x900 [ 258.688359] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.693889] ? refcount_sub_and_test_checked+0x203/0x310 [ 258.699338] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 258.704788] ? addrconf_rs_timer+0x690/0x690 [ 258.709196] ndisc_alloc_skb+0x144/0x340 [ 258.713295] ndisc_send_rs+0x331/0x6e0 [ 258.717176] addrconf_rs_timer+0x314/0x690 [ 258.721408] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.725667] call_timer_fn+0x272/0x920 [ 258.729570] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.733801] ? process_timeout+0x40/0x40 [ 258.737858] ? trace_hardirqs_off+0xb8/0x310 [ 258.742268] ? kasan_check_read+0x11/0x20 [ 258.746412] ? do_raw_spin_unlock+0xa7/0x2f0 [ 258.750820] ? trace_hardirqs_on+0x310/0x310 [ 258.755226] ? __run_timers+0x7da/0xc70 [ 258.759199] ? lock_downgrade+0x900/0x900 [ 258.763345] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 258.768446] ? trace_hardirqs_on+0xbd/0x310 [ 258.772769] ? kasan_check_read+0x11/0x20 [ 258.776918] ? __run_timers+0x7da/0xc70 [ 258.780915] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 258.786363] ? kasan_check_write+0x14/0x20 [ 258.790609] ? do_raw_spin_lock+0xc1/0x200 [ 258.794863] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.799097] __run_timers+0x7e5/0xc70 [ 258.802904] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 258.808263] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 258.813277] ? timerqueue_add+0x207/0x2b0 [ 258.817427] ? enqueue_hrtimer+0x1a5/0x560 [ 258.821659] ? lock_release+0x970/0x970 [ 258.825628] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 258.830843] ? kasan_check_write+0x14/0x20 [ 258.835100] ? pvclock_read_flags+0x160/0x160 [ 258.839585] ? lock_downgrade+0x900/0x900 [ 258.843728] ? trace_hardirqs_on+0xbd/0x310 [ 258.848071] ? kvm_sched_clock_read+0x9/0x20 [ 258.852492] ? irq_exit+0x17f/0x1c0 [ 258.856117] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.861649] ? check_preemption_disabled+0x48/0x200 [ 258.866663] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.872203] run_timer_softirq+0x52/0xb0 [ 258.876255] ? __this_cpu_preempt_check+0x1c/0x1f [ 258.881091] __do_softirq+0x30b/0xad8 [ 258.884893] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 258.889995] ? pvclock_read_flags+0x160/0x160 [ 258.894483] ? lapic_next_event+0x5a/0x90 [ 258.898625] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.904155] ? clockevents_program_event+0x140/0x370 [ 258.909251] ? kvm_clock_read+0x18/0x30 [ 258.913221] ? kvm_sched_clock_read+0x9/0x20 [ 258.917623] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.923150] ? check_preemption_disabled+0x48/0x200 [ 258.928164] irq_exit+0x17f/0x1c0 [ 258.931611] smp_apic_timer_interrupt+0x1cb/0x760 [ 258.936445] ? smp_reschedule_interrupt+0x109/0x650 [ 258.941457] ? smp_call_function_single_interrupt+0x650/0x650 [ 258.947809] ? interrupt_entry+0xb5/0xf0 [ 258.951882] ? trace_hardirqs_off_caller+0xbb/0x310 [ 258.956893] ? trace_hardirqs_off_caller+0xbb/0x310 [ 258.961907] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 258.966752] ? trace_hardirqs_on_caller+0x310/0x310 [ 258.971801] ? trace_hardirqs_on_caller+0x310/0x310 [ 258.976815] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.982345] ? check_preemption_disabled+0x48/0x200 [ 258.987359] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 258.992201] apic_timer_interrupt+0xf/0x20 [ 258.996425] [ 258.998663] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 259.004544] Code: 3f 7e 0f 85 32 ff ff ff e8 53 4a 3e ff e9 28 ff ff ff e8 ba ad c2 ff 48 83 3d 0a bf 6f 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 62 23 [ 259.023437] RSP: 0018:ffff88019a29f4a8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 259.031156] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000627e000 [ 259.038418] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 259.045676] RBP: ffff88019a29f520 R08: ffff8801ba14e480 R09: fffffbfff12720c0 [ 259.052937] R10: ffff88019a29e0f0 R11: ffffffff89390603 R12: ffff8801da800ac0 [ 259.060194] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286 [ 259.067464] ? trace_hardirqs_on+0xb4/0x310 [ 259.071786] ? save_stack+0xa9/0xd0 [ 259.075409] __kmalloc_node_track_caller+0x33/0x70 [ 259.080619] __kmalloc_reserve.isra.39+0xcc/0xe0 [ 259.085371] pskb_expand_head+0x230/0x10f0 [ 259.089600] ? lock_downgrade+0x900/0x900 [ 259.093742] ? check_preemption_disabled+0x48/0x200 [ 259.098785] ? memcpy+0x45/0x50 [ 259.102064] ? __copy_skb_header+0x350/0x6b0 [ 259.106465] ? __pskb_copy_fclone+0xeb0/0xeb0 [ 259.110953] ? skb_checksum+0x140/0x140 [ 259.114940] ? trace_hardirqs_on+0xbd/0x310 [ 259.119251] ? skb_clone+0x1bb/0x500 [ 259.122959] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 259.128415] ? kasan_unpoison_shadow+0x35/0x50 [ 259.132994] ? kasan_check_write+0x14/0x20 [ 259.137233] ? __skb_clone+0x6c7/0xa00 [ 259.141118] ? __copy_skb_header+0x6b0/0x6b0 [ 259.145516] ? kmem_cache_alloc+0x306/0x730 [ 259.149895] skb_ensure_writable+0x3dd/0x640 [ 259.154303] ? skb_cow_data+0xf10/0xf10 [ 259.158273] ? check_preemption_disabled+0x48/0x200 [ 259.163287] ? __this_cpu_preempt_check+0x1c/0x1f [ 259.168122] ? __bpf_redirect+0x54b/0xb20 [ 259.172263] ? __switch_to_asm+0x34/0x70 [ 259.176320] bpf_clone_redirect+0x14a/0x490 [ 259.180640] bpf_prog_3d1649e183dc2cc1+0xca3/0x1000 [ 259.185652] ? __sched_text_start+0x8/0x8 [ 259.189826] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 259.194579] ? retint_kernel+0x2d/0x2d [ 259.198459] ? trace_hardirqs_on_caller+0xc0/0x310 [ 259.203400] ? retint_kernel+0x2d/0x2d [ 259.207280] ? trace_hardirqs_on_caller+0xc0/0x310 [ 259.212204] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 259.216956] ? trace_hardirqs_off+0x310/0x310 [ 259.221442] ? retint_kernel+0x1b/0x2d [ 259.225329] ? lock_acquire+0x1ed/0x520 [ 259.229308] ? bpf_test_run+0x3cb/0x780 [ 259.233275] ? lock_downgrade+0x900/0x900 [ 259.237418] ? lock_release+0x970/0x970 [ 259.241390] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 259.247188] ? preempt_schedule_common+0x1f/0xd0 [ 259.251949] ? preempt_schedule+0x4d/0x60 [ 259.256106] ? ___preempt_schedule+0x16/0x18 [ 259.260514] ? bpf_test_run+0x25d/0x780 [ 259.264500] ? netlink_diag_dump+0x2a0/0x2a0 [ 259.268916] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 259.274448] ? bpf_test_init.isra.9+0x70/0x100 [ 259.279056] ? bpf_prog_test_run_skb+0x634/0xb40 [ 259.283827] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 259.288664] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 259.294210] ? fput+0x130/0x1a0 [ 259.297482] ? __bpf_prog_get+0x9b/0x290 [ 259.301542] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 259.306374] ? bpf_prog_test_run+0x130/0x1a0 [ 259.310779] ? __x64_sys_bpf+0x3d8/0x510 [ 259.314855] ? bpf_prog_get+0x20/0x20 [ 259.318722] ? __x64_sys_futex+0x4bc/0x6a0 [ 259.322991] ? do_syscall_64+0x1b9/0x820 [ 259.327060] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 259.332419] ? syscall_return_slowpath+0x5e0/0x5e0 [ 259.337342] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 259.342183] ? trace_hardirqs_on_caller+0x310/0x310 [ 259.347192] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 259.352205] ? prepare_exit_to_usermode+0x291/0x3b0 [ 259.357218] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 259.362066] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 259.367432] warn_alloc_show_mem: 1 callbacks suppressed [ 259.367443] CPU: 1 PID: 5806 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #119 [ 259.367445] Mem-Info: [ 259.367473] active_anon:46475 inactive_anon:4207 isolated_anon:0 [ 259.367473] active_file:17 inactive_file:13 isolated_file:0 [ 259.367473] unevictable:0 dirty:0 writeback:0 unstable:0 [ 259.367473] slab_reclaimable:8782 slab_unreclaimable:1485678 [ 259.367473] mapped:8194 shmem:4214 pagetables:396 bounce:0 [ 259.367473] free:13756 free_pcp:276 free_cma:0 [ 259.372815] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 259.379827] Node 0 active_anon:185900kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32776kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 259.382222] Call Trace: [ 259.415165] Node 0 [ 259.424500] [ 259.452286] 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 [ 259.454852] dump_stack+0x1c4/0x2b4 [ 259.457079] lowmem_reserve[]: [ 259.459219] ? dump_stack_print_info.cold.2+0x52/0x52 [ 259.484693] 0 [ 259.488312] warn_alloc.cold.119+0xb7/0x1bd [ 259.491384] 2819 [ 259.496560] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 259.498337] 6323 [ 259.502652] ? lock_downgrade+0x900/0x900 [ 259.504690] 6323 [ 259.509519] ? trace_hardirqs_off+0xb8/0x310 [ 259.515686] ? trace_hardirqs_off+0xb8/0x310 [ 259.517726] Node 0 [ 259.522134] __alloc_pages_slowpath+0x2667/0x2d80 [ 259.526550] DMA32 free:25168kB min:30060kB low:37572kB high:45084kB active_anon:10240kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 259.528770] ? warn_alloc+0x120/0x120 [ 259.533575] lowmem_reserve[]: [ 259.560805] ? warn_alloc+0x120/0x120 [ 259.564578] 0 [ 259.567683] ? warn_alloc+0x120/0x120 [ 259.571457] 0 [ 259.573251] ? mark_held_locks+0x130/0x130 [ 259.577040] 3503 [ 259.578852] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.583059] 3503 [ 259.585133] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 259.592691] ? should_fail+0x22d/0xd01 [ 259.598199] Node 0 Normal free:13948kB min:37352kB low:46688kB high:56024kB active_anon:175660kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5056kB pagetables:1584kB bounce:0kB free_pcp:856kB local_pcp:320kB free_cma:0kB [ 259.602152] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 259.602168] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 259.631226] lowmem_reserve[]: [ 259.636315] ? should_fail+0x22d/0xd01 [ 259.641841] 0 [ 259.644966] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 259.648839] 0 [ 259.650628] ? should_fail+0x22d/0xd01 [ 259.655717] 0 [ 259.657524] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 259.661379] 0 [ 259.663170] ? mark_held_locks+0x130/0x130 [ 259.670039] ? mark_held_locks+0x130/0x130 [ 259.674246] Node 0 [ 259.678471] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.678474] DMA: 1*4kB [ 259.680709] ? trace_hardirqs_off+0xb8/0x310 [ 259.686215] (U) [ 259.688788] ? kasan_check_read+0x11/0x20 [ 259.693171] 0*8kB [ 259.695138] ? do_raw_spin_unlock+0xa7/0x2f0 [ 259.699257] 0*16kB [ 259.701421] ? trace_hardirqs_on+0x310/0x310 [ 259.705803] 1*32kB [ 259.708028] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.712408] (U) [ 259.714635] ? wq_watchdog_touch+0x9c/0xfe [ 259.720157] 2*64kB [ 259.722122] ? io_serial_in+0x11/0x90 [ 259.726325] (U) [ 259.728556] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.732333] 1*128kB [ 259.734300] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 259.739810] (U) [ 259.742125] __alloc_pages_nodemask+0xa80/0xde0 [ 259.747207] 1*256kB [ 259.749177] ? should_fail+0x22d/0xd01 [ 259.753824] (U) [ 259.756138] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 259.759997] 0*512kB [ 259.761974] ? ____cache_alloc_node+0x1c7/0x1e0 [ 259.766952] 1*1024kB [ 259.769276] ? lock_downgrade+0x900/0x900 [ 259.773926] (U) [ 259.776324] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.780444] 1*2048kB [ 259.782426] cache_grow_begin+0x91/0x8c0 [ 259.787931] (M) [ 259.790333] ? do_raw_spin_unlock+0xa7/0x2f0 [ 259.794364] 3*4096kB [ 259.796328] fallback_alloc+0x203/0x2e0 [ 259.800709] (M) [ 259.803110] ____cache_alloc_node+0x1c7/0x1e0 [ 259.807056] = 15908kB [ 259.809042] kmem_cache_alloc_node+0xe3/0x730 [ 259.813509] Node 0 [ 259.815911] ? ipv6_get_ifaddr+0x42e/0x620 [ 259.820376] DMA32: [ 259.822600] __alloc_skb+0x119/0x770 [ 259.826816] 2*4kB [ 259.829045] ? skb_scrub_packet+0x490/0x490 [ 259.832731] (M) [ 259.834875] ? lock_downgrade+0x900/0x900 [ 259.839168] 1*8kB [ 259.841132] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.845249] (M) [ 259.847398] ? refcount_sub_and_test_checked+0x203/0x310 [ 259.852910] 2*16kB [ 259.854906] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 259.860325] (M) [ 259.862549] ? addrconf_rs_timer+0x690/0x690 [ 259.867976] 3*32kB [ 259.869942] ndisc_alloc_skb+0x144/0x340 [ 259.874324] (MH) [ 259.876582] ndisc_send_rs+0x331/0x6e0 [ 259.880617] 5*64kB [ 259.882664] addrconf_rs_timer+0x314/0x690 [ 259.886523] (MH) [ 259.888804] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.893014] 3*128kB [ 259.895070] call_timer_fn+0x272/0x920 [ 259.899272] (M) [ 259.901586] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 259.905447] 5*256kB [ 259.907440] ? process_timeout+0x40/0x40 [ 259.911660] (UMH) [ 259.913998] ? trace_hardirqs_off+0xb8/0x310 [ 259.918044] 5*512kB [ 259.920184] ? kasan_check_read+0x11/0x20 [ 259.924568] (UMH) [ 259.926894] ? do_raw_spin_unlock+0xa7/0x2f0 [ 259.931010] 4*1024kB [ 259.933151] ? trace_hardirqs_on+0x310/0x310 [ 259.937531] (UMH) [ 259.939929] ? __run_timers+0x7da/0xc70 [ 259.944309] 2*2048kB [ 259.946446] ? lock_downgrade+0x900/0x900 [ 259.950401] (M) [ 259.952800] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 259.956918] 3*4096kB [ 259.958886] ? trace_hardirqs_on+0xbd/0x310 [ 259.963977] (M) [ 259.966390] ? kasan_check_read+0x11/0x20 [ 259.970684] = 25168kB [ 259.972665] ? __run_timers+0x7da/0xc70 [ 259.976801] Node 0 [ 259.979205] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 259.983151] Normal: [ 259.985379] ? kasan_check_write+0x14/0x20 [ 259.990830] 1081*4kB [ 259.993148] ? do_raw_spin_lock+0xc1/0x200 [ 259.997355] (UMEH) [ 259.999761] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 260.003977] 387*8kB [ 260.006223] __run_timers+0x7e5/0xc70 [ 260.010427] (ME) [ 260.012756] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 260.016552] 152*16kB [ 260.018619] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 260.023954] (UME) [ 260.026357] ? timerqueue_add+0x207/0x2b0 [ 260.031343] 54*32kB [ 260.033480] ? enqueue_hrtimer+0x1a5/0x560 [ 260.037603] (UME) [ 260.039917] ? lock_release+0x970/0x970 [ 260.044130] 21*64kB [ 260.046272] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 260.050216] (UM) [ 260.052533] ? check_preemption_disabled+0x48/0x200 [ 260.057695] 0*128kB [ 260.059741] ? kasan_check_write+0x14/0x20 [ 260.064738] 0*256kB [ 260.067060] ? pvclock_read_flags+0x160/0x160 [ 260.071274] 2*512kB [ 260.073585] ? lock_downgrade+0x900/0x900 [ 260.078054] (U) [ 260.080371] ? trace_hardirqs_on+0xbd/0x310 [ 260.084496] 0*1024kB [ 260.086465] ? kvm_sched_clock_read+0x9/0x20 [ 260.090763] 0*2048kB [ 260.093164] ? irq_exit+0x17f/0x1c0 [ 260.097543] 0*4096kB [ 260.099946] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.103542] = 13948kB [ 260.105951] ? check_preemption_disabled+0x48/0x200 [ 260.111481] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 260.113876] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.118869] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 260.127688] run_timer_softirq+0x52/0xb0 [ 260.133199] 4244 total pagecache pages [ 260.141771] ? __this_cpu_preempt_check+0x1c/0x1f [ 260.145806] 0 pages in swap cache [ 260.149684] __do_softirq+0x30b/0xad8 [ 260.154510] Swap cache stats: add 0, delete 0, find 0/0 [ 260.157962] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 260.161732] Free swap = 0kB [ 260.167091] ? pvclock_read_flags+0x160/0x160 [ 260.172166] Total swap = 0kB [ 260.175169] ? lapic_next_event+0x5a/0x90 [ 260.179649] 1965979 pages RAM [ 260.182656] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.186781] 0 pages HighMem/MovableOnly [ 260.189881] ? clockevents_program_event+0x140/0x370 [ 260.195389] 342307 pages reserved [ 260.199353] ? kvm_clock_read+0x18/0x30 [ 260.204427] 0 pages cma reserved [ 260.207876] ? kvm_sched_clock_read+0x9/0x20 [ 260.211889] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 260.215180] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.219640] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 260.226053] ? check_preemption_disabled+0x48/0x200 [ 260.231563] syz-executor2 cpuset= [ 260.242037] irq_exit+0x17f/0x1c0 [ 260.247055] syz2 [ 260.250511] smp_apic_timer_interrupt+0x1cb/0x760 [ 260.253950] mems_allowed=0 [ 260.255910] ? smp_reschedule_interrupt+0x109/0x650 [ 260.268665] ? smp_call_function_single_interrupt+0x650/0x650 [ 260.274546] ? interrupt_entry+0xb5/0xf0 [ 260.278605] ? trace_hardirqs_off_caller+0xbb/0x310 [ 260.283616] ? trace_hardirqs_off_caller+0xbb/0x310 [ 260.288656] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 260.293583] ? trace_hardirqs_on_caller+0x310/0x310 [ 260.298608] ? trace_hardirqs_on_caller+0x310/0x310 [ 260.303616] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 260.309163] ? check_preemption_disabled+0x48/0x200 [ 260.314174] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 260.319715] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 260.324565] apic_timer_interrupt+0xf/0x20 [ 260.328798] [ 260.331038] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 260.336224] Code: 00 e8 97 f5 a3 f9 e8 d2 63 d3 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d 24 75 80 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d fa 74 [ 260.355124] RSP: 0000:ffff8801bbdd6150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 260.362835] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 260.370097] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe740 [ 260.377359] RBP: ffff8801bbdd6178 R08: ffff8801d838c080 R09: ffffed003b5e5979 [ 260.384622] R10: ffffed003b5e5979 R11: ffff8801daf2cbcb R12: dffffc0000000000 [ 260.391883] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 260.399158] ? trace_hardirqs_on+0x9a/0x310 [ 260.403501] ? trace_hardirqs_on+0xb4/0x310 [ 260.407849] retint_kernel+0x1b/0x2d [ 260.411561] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 260.416832] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 21 17 fa 48 83 3d 99 9c 86 01 00 75 07 e8 9a 7f d3 f9 0f 0b e8 93 7f d3 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 21 17 fa 4c 8b 45 d0 e9 [ 260.435753] RSP: 0000:ffff8801bbdd6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 260.443471] RAX: ffff8801d838c080 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 260.450731] RDX: 0000000000000000 RSI: ffffffff87ab55fd RDI: 0000000000000293 [ 260.457998] RBP: ffff8801bbdd6240 R08: ffff8801d838c080 R09: fffffbfff13d9700 [ 260.465278] R10: fffffbfff13d9700 R11: 0000000000000003 R12: 0000000000000293 [ 260.472539] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff8931f280 [ 260.479828] ? trace_hardirqs_on+0x9a/0x310 [ 260.484142] ? arch_local_irq_restore+0x45/0x52 [ 260.488806] dump_stack+0x26a/0x2b4 [ 260.492431] ? dump_stack_print_info.cold.2+0x52/0x52 [ 260.497633] ? mark_held_locks+0x130/0x130 [ 260.501863] ? mark_held_locks+0x130/0x130 [ 260.506102] dump_header+0x27b/0xf72 [ 260.509815] ? rcu_read_unlock+0x16/0x60 [ 260.513877] ? pagefault_out_of_memory+0x197/0x197 [ 260.518807] ? mark_held_locks+0x130/0x130 [ 260.523049] ? percpu_ref_put_many+0x13e/0x260 [ 260.527649] ? mem_cgroup_charge_statistics+0x780/0x780 [ 260.533026] ? mem_cgroup_iter+0x1f7/0x1160 [ 260.537362] ? mark_held_locks+0x130/0x130 [ 260.541594] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.547122] ? task_will_free_mem+0x239/0xb30 [ 260.551623] ? ___ratelimit+0x36f/0x655 [ 260.555594] ? lock_downgrade+0x900/0x900 [ 260.559737] ? trace_hardirqs_on+0xbd/0x310 [ 260.564064] ? kasan_check_read+0x11/0x20 [ 260.568206] ? ___ratelimit+0x36f/0x655 [ 260.572176] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 260.577624] ? trace_hardirqs_on+0x310/0x310 [ 260.582044] ? lock_downgrade+0x900/0x900 [ 260.586189] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 260.591291] ? ___ratelimit+0xaa/0x655 [ 260.595175] ? idr_get_free+0xec0/0xec0 [ 260.599146] ? kasan_check_write+0x14/0x20 [ 260.603393] ? do_raw_spin_lock+0xc1/0x200 [ 260.607638] oom_kill_process.cold.27+0x10/0x903 [ 260.612402] ? lock_downgrade+0x900/0x900 [ 260.616548] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 260.622346] ? oom_evaluate_task+0x540/0x540 [ 260.626800] ? shrink_node+0x16b0/0x16b0 [ 260.630863] ? oom_unkillable_task+0x383/0x580 [ 260.635471] ? out_of_memory+0x974/0x1430 [ 260.639615] ? lock_downgrade+0x900/0x900 [ 260.643771] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 260.649569] ? __cpuset_node_allowed+0x19b/0x660 [ 260.654330] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 260.659860] ? oom_evaluate_task+0x302/0x540 [ 260.664295] out_of_memory+0xa84/0x1430 [ 260.668289] ? oom_killer_disable+0x3a0/0x3a0 [ 260.672787] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 260.677723] ? __mutex_add_waiter+0x2a0/0x2a0 [ 260.682217] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 260.687262] ? find_next_bit+0x104/0x130 [ 260.691322] __alloc_pages_slowpath+0x2318/0x2d80 [ 260.696173] ? warn_alloc+0x120/0x120 [ 260.699983] ? __radix_tree_lookup+0x4c0/0x4c0 [ 260.704580] ? find_get_entry+0x2f2/0xc40 [ 260.708731] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 260.713676] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 260.719212] ? should_fail+0x22d/0xd01 [ 260.723094] ? ___might_sleep+0x1ed/0x300 [ 260.727248] ? lock_release+0x970/0x970 [ 260.731223] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 260.736319] ? debug_smp_processor_id+0x1c/0x20 [ 260.740989] ? __might_sleep+0x95/0x190 [ 260.744970] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 260.749809] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 260.754841] ? lock_downgrade+0x900/0x900 [ 260.759037] ? ___might_sleep+0x1ed/0x300 [ 260.763211] ? lock_release+0x970/0x970 [ 260.767182] ? arch_local_save_flags+0x40/0x40 [ 260.771764] ? finish_task_switch+0x1f5/0x900 [ 260.776297] ? __might_sleep+0x95/0x190 [ 260.780276] __alloc_pages_nodemask+0xa80/0xde0 [ 260.784956] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 260.789968] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 260.795765] ? kasan_check_write+0x14/0x20 [ 260.800002] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 260.804671] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.810198] ? __do_page_cache_readahead+0x7ce/0x980 [ 260.815334] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 260.820870] alloc_pages_current+0x10c/0x210 [ 260.825277] ? lock_downgrade+0x900/0x900 [ 260.829424] __page_cache_alloc+0x38f/0x5b0 [ 260.833736] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 260.839533] ? ext4_filemap_fault+0x82/0xad [ 260.843847] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 260.848513] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 260.854053] ? check_preemption_disabled+0x48/0x200 [ 260.859079] filemap_fault+0x1594/0x25f0 [ 260.863164] ? __lock_page_or_retry+0xa00/0xa00 [ 260.867842] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 260.873636] ? unwind_dump+0x190/0x190 [ 260.877530] ? is_bpf_text_address+0xd3/0x170 [ 260.882025] ? filemap_map_pages+0xdea/0x1980 [ 260.886525] ? find_get_pages_range_tag+0x1320/0x1320 [ 260.891707] ? save_stack+0xa9/0xd0 [ 260.895366] ? save_stack+0x43/0xd0 [ 260.898985] ? __kasan_slab_free+0x102/0x150 [ 260.903408] ? __sigqueue_free.part.27+0x7d/0xa0 [ 260.908157] ? __dequeue_signal+0x530/0x7d0 [ 260.912489] ? dequeue_signal+0x26c/0x630 [ 260.916641] ? get_signal+0x3ec/0x1980 [ 260.920526] ? do_signal+0x9c/0x21e0 [ 260.924234] ? exit_to_usermode_loop+0x2e5/0x380 [ 260.929005] ? mark_held_locks+0x130/0x130 [ 260.933233] ? trace_hardirqs_on+0x310/0x310 [ 260.937661] ? lock_acquire+0x1ed/0x520 [ 260.941639] ? ext4_filemap_fault+0x7a/0xad [ 260.945958] ? lock_release+0x970/0x970 [ 260.949923] ? arch_local_save_flags+0x40/0x40 [ 260.954500] ? mark_held_locks+0x130/0x130 [ 260.958729] ? trace_hardirqs_off+0xb8/0x310 [ 260.963168] ? down_read+0xb0/0x1d0 [ 260.966812] ? ext4_filemap_fault+0x7a/0xad [ 260.971132] ? __down_interruptible+0x700/0x700 [ 260.975793] ? kmem_cache_free+0x21a/0x290 [ 260.980028] ? __sigqueue_free.part.27+0x7d/0xa0 [ 260.984785] ? __dequeue_signal+0xf9/0x7d0 [ 260.989036] ext4_filemap_fault+0x82/0xad [ 260.993183] __do_fault+0x100/0x6b0 [ 260.996811] ? print_bad_pte+0x6c0/0x6c0 [ 261.000874] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.006410] ? pmd_val+0x88/0x100 [ 261.009859] ? add_mm_counter_fast+0xd0/0xd0 [ 261.014267] ? pmd_val+0x88/0x100 [ 261.017715] ? add_mm_counter_fast+0xd0/0xd0 [ 261.022132] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.027669] __handle_mm_fault+0x3709/0x53e0 [ 261.032083] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 261.036924] ? kasan_check_write+0x14/0x20 [ 261.041203] ? do_raw_spin_lock+0xc1/0x200 [ 261.045452] ? _raw_spin_unlock_irq+0x60/0x80 [ 261.049953] ? __set_current_blocked+0xe4/0x120 [ 261.054623] ? lock_acquire+0x1ed/0x520 [ 261.058596] ? handle_mm_fault+0x42a/0xc70 [ 261.062877] ? lock_downgrade+0x900/0x900 [ 261.067035] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 261.072826] ? __do_page_fault+0x67d/0xed0 [ 261.077580] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 261.083029] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.088578] ? check_preemption_disabled+0x48/0x200 [ 261.093700] handle_mm_fault+0x54f/0xc70 [ 261.097770] ? __handle_mm_fault+0x53e0/0x53e0 [ 261.102348] ? find_vma+0x34/0x190 [ 261.105888] __do_page_fault+0x67d/0xed0 [ 261.109964] ? mm_fault_error+0x380/0x380 [ 261.114107] ? syscall_slow_exit_work+0x520/0x520 [ 261.118960] do_page_fault+0xf2/0x7e0 [ 261.122765] ? vmalloc_sync_all+0x30/0x30 [ 261.126916] ? error_entry+0x70/0xd0 [ 261.130626] ? trace_hardirqs_off_caller+0xbb/0x310 [ 261.135637] ? trace_hardirqs_on_caller+0xc0/0x310 [ 261.140559] ? syscall_return_slowpath+0x5e0/0x5e0 [ 261.145484] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 261.150321] ? trace_hardirqs_on_caller+0x310/0x310 [ 261.155330] ? trace_hardirqs_off+0x310/0x310 [ 261.159825] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 261.164837] ? prepare_exit_to_usermode+0x291/0x3b0 [ 261.169850] ? page_fault+0x8/0x30 [ 261.173386] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 261.178235] ? page_fault+0x8/0x30 [ 261.181779] page_fault+0x1e/0x30 [ 261.185224] RIP: 0033:0x45db60 [ 261.188415] Code: Bad RIP value. [ 261.191778] RSP: 002b:000000c420049ab8 EFLAGS: 00010286 [ 261.197139] RAX: 0000000000000000 RBX: 000000c420026380 RCX: 000000000045ddf3 [ 261.204412] RDX: 000000c420049ac0 RSI: 000000c420049bf0 RDI: 0000000000000011 [ 261.211677] RBP: 000000c420022f08 R08: 0000000000000000 R09: 0000000000000000 [ 261.218937] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42005c168 [ 261.226215] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000 [ 261.233495] CPU: 0 PID: 7800 Comm: syz-executor2 Not tainted 4.19.0-rc6+ #119 [ 261.233557] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 261.240773] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 261.240778] Call Trace: [ 261.240782] [ 261.240797] dump_stack+0x1c4/0x2b4 [ 261.240812] ? dump_stack_print_info.cold.2+0x52/0x52 [ 261.247357] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 261.256658] warn_alloc.cold.119+0xb7/0x1bd [ 261.259214] syz-fuzzer cpuset= [ 261.261357] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 261.264952] / [ 261.270129] ? lock_downgrade+0x900/0x900 [ 261.280327] mems_allowed=0 [ 261.284634] ? trace_hardirqs_off+0xb8/0x310 [ 261.305831] ? trace_hardirqs_off+0xb8/0x310 [ 261.310238] __alloc_pages_slowpath+0x2667/0x2d80 [ 261.315090] ? warn_alloc+0x120/0x120 [ 261.318885] ? trace_hardirqs_on+0x310/0x310 [ 261.323289] ? warn_alloc+0x120/0x120 [ 261.327087] ? warn_alloc+0x120/0x120 [ 261.330879] ? ktime_get+0x2e1/0x440 [ 261.334590] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.340156] ? check_preemption_disabled+0x48/0x200 [ 261.345167] ? kasan_check_read+0x11/0x20 [ 261.349310] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.354845] ? should_fail+0x22d/0xd01 [ 261.358727] ? rcu_bh_qs+0xc0/0xc0 [ 261.362276] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 261.367374] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 261.372905] ? should_fail+0x22d/0xd01 [ 261.376790] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 261.381890] ? should_fail+0x22d/0xd01 [ 261.385783] ? rcu_idle_enter+0x4b0/0x4b0 [ 261.389931] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 261.395039] ? mark_held_locks+0x130/0x130 [ 261.399270] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.404806] ? mark_held_locks+0x130/0x130 [ 261.409053] ? rcu_irq_exit+0xce/0x100 [ 261.412938] ? irq_exit+0xbd/0x1c0 [ 261.416488] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 261.421495] ? do_raw_spin_unlock+0xa7/0x2f0 [ 261.425896] ? smp_call_function_single_interrupt+0x650/0x650 [ 261.431780] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.437313] ? ret_from_intr+0xb/0x1e [ 261.441105] ? retint_kernel+0x2d/0x2d [ 261.445016] ? trace_hardirqs_on_caller+0xc0/0x310 [ 261.449943] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 261.454690] ? trace_hardirqs_off+0x310/0x310 [ 261.459195] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 261.464302] __alloc_pages_nodemask+0xa80/0xde0 [ 261.468973] ? should_fail+0x22d/0xd01 [ 261.472856] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 261.477881] ? ____cache_alloc_node+0x1c7/0x1e0 [ 261.482583] ? lock_downgrade+0x900/0x900 [ 261.486781] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.492319] cache_grow_begin+0x91/0x8c0 [ 261.496374] ? do_raw_spin_unlock+0xa7/0x2f0 [ 261.500791] fallback_alloc+0x203/0x2e0 [ 261.504791] ____cache_alloc_node+0x1c7/0x1e0 [ 261.509300] kmem_cache_alloc_node+0xe3/0x730 [ 261.513791] ? ipv6_get_ifaddr+0x42e/0x620 [ 261.518030] __alloc_skb+0x119/0x770 [ 261.521740] ? skb_scrub_packet+0x490/0x490 [ 261.526095] ? lock_downgrade+0x900/0x900 [ 261.530243] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.535782] ? refcount_sub_and_test_checked+0x203/0x310 [ 261.541244] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 261.546691] ? addrconf_rs_timer+0x690/0x690 [ 261.551099] ndisc_alloc_skb+0x144/0x340 [ 261.555154] ndisc_send_rs+0x331/0x6e0 [ 261.559040] addrconf_rs_timer+0x314/0x690 [ 261.563288] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.567525] call_timer_fn+0x272/0x920 [ 261.571401] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.575633] ? process_timeout+0x40/0x40 [ 261.579689] ? trace_hardirqs_off+0xb8/0x310 [ 261.584101] ? kasan_check_read+0x11/0x20 [ 261.588256] ? do_raw_spin_unlock+0xa7/0x2f0 [ 261.592657] ? trace_hardirqs_on+0x310/0x310 [ 261.597077] ? __run_timers+0x7da/0xc70 [ 261.601066] ? lock_downgrade+0x900/0x900 [ 261.605212] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 261.610310] ? trace_hardirqs_on+0xbd/0x310 [ 261.614619] ? kasan_check_read+0x11/0x20 [ 261.618789] ? __run_timers+0x7da/0xc70 [ 261.622774] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 261.628219] ? kasan_check_write+0x14/0x20 [ 261.632451] ? do_raw_spin_lock+0xc1/0x200 [ 261.636678] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.640953] __run_timers+0x7e5/0xc70 [ 261.644763] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 261.650131] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 261.655141] ? timerqueue_add+0x207/0x2b0 [ 261.659287] ? enqueue_hrtimer+0x1a5/0x560 [ 261.663520] ? lock_release+0x970/0x970 [ 261.667493] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 261.672678] ? kasan_check_write+0x14/0x20 [ 261.676912] ? pvclock_read_flags+0x160/0x160 [ 261.681403] ? lock_downgrade+0x900/0x900 [ 261.685547] ? trace_hardirqs_on+0xbd/0x310 [ 261.689865] ? kvm_sched_clock_read+0x9/0x20 [ 261.694264] ? irq_exit+0x17f/0x1c0 [ 261.697912] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.703464] ? check_preemption_disabled+0x48/0x200 [ 261.708476] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.714024] run_timer_softirq+0x52/0xb0 [ 261.718094] ? __this_cpu_preempt_check+0x1c/0x1f [ 261.722965] __do_softirq+0x30b/0xad8 [ 261.726776] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 261.731875] ? pvclock_read_flags+0x160/0x160 [ 261.736383] ? lapic_next_event+0x5a/0x90 [ 261.740559] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.746088] ? clockevents_program_event+0x140/0x370 [ 261.751185] ? kvm_clock_read+0x18/0x30 [ 261.755152] ? kvm_sched_clock_read+0x9/0x20 [ 261.759552] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.765079] ? check_preemption_disabled+0x48/0x200 [ 261.770114] irq_exit+0x17f/0x1c0 [ 261.773561] smp_apic_timer_interrupt+0x1cb/0x760 [ 261.778408] ? smp_reschedule_interrupt+0x109/0x650 [ 261.783419] ? smp_call_function_single_interrupt+0x650/0x650 [ 261.789301] ? interrupt_entry+0xb5/0xf0 [ 261.793358] ? trace_hardirqs_off_caller+0xbb/0x310 [ 261.798366] ? trace_hardirqs_off_caller+0xbb/0x310 [ 261.803376] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 261.808215] ? trace_hardirqs_on_caller+0x310/0x310 [ 261.813255] ? trace_hardirqs_on_caller+0x310/0x310 [ 261.818260] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.823791] ? check_preemption_disabled+0x48/0x200 [ 261.828805] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 261.833647] apic_timer_interrupt+0xf/0x20 [ 261.837885] [ 261.840136] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 261.846015] Code: 3f 7e 0f 85 32 ff ff ff e8 53 4a 3e ff e9 28 ff ff ff e8 ba ad c2 ff 48 83 3d 0a bf 6f 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 62 23 [ 261.864905] RSP: 0018:ffff88019a29f4a8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 261.872606] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000627e000 [ 261.879865] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 261.887123] RBP: ffff88019a29f520 R08: ffff8801ba14e480 R09: fffffbfff12720c0 [ 261.894383] R10: ffff88019a29e0f0 R11: ffffffff89390603 R12: ffff8801da800ac0 [ 261.901648] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286 [ 261.908948] ? trace_hardirqs_on+0xb4/0x310 [ 261.913269] ? save_stack+0xa9/0xd0 [ 261.916900] __kmalloc_node_track_caller+0x33/0x70 [ 261.921836] __kmalloc_reserve.isra.39+0xcc/0xe0 [ 261.926594] pskb_expand_head+0x230/0x10f0 [ 261.930829] ? lock_downgrade+0x900/0x900 [ 261.934974] ? check_preemption_disabled+0x48/0x200 [ 261.939985] ? memcpy+0x45/0x50 [ 261.943292] ? __copy_skb_header+0x350/0x6b0 [ 261.947707] ? __pskb_copy_fclone+0xeb0/0xeb0 [ 261.952195] ? skb_checksum+0x140/0x140 [ 261.956166] ? trace_hardirqs_on+0xbd/0x310 [ 261.960482] ? skb_clone+0x1bb/0x500 [ 261.964193] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 261.969633] ? kasan_unpoison_shadow+0x35/0x50 [ 261.974209] ? kasan_check_write+0x14/0x20 [ 261.978456] ? __skb_clone+0x6c7/0xa00 [ 261.982340] ? __copy_skb_header+0x6b0/0x6b0 [ 261.986742] ? kmem_cache_alloc+0x306/0x730 [ 261.991076] skb_ensure_writable+0x3dd/0x640 [ 261.995478] ? skb_cow_data+0xf10/0xf10 [ 261.999460] ? check_preemption_disabled+0x48/0x200 [ 262.004474] ? __this_cpu_preempt_check+0x1c/0x1f [ 262.009310] ? __bpf_redirect+0x54b/0xb20 [ 262.013450] ? __switch_to_asm+0x34/0x70 [ 262.017525] bpf_clone_redirect+0x14a/0x490 [ 262.021846] bpf_prog_3d1649e183dc2cc1+0xca3/0x1000 [ 262.026863] ? __sched_text_start+0x8/0x8 [ 262.031007] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 262.035766] ? retint_kernel+0x2d/0x2d [ 262.039647] ? trace_hardirqs_on_caller+0xc0/0x310 [ 262.044567] ? retint_kernel+0x2d/0x2d [ 262.048451] ? trace_hardirqs_on_caller+0xc0/0x310 [ 262.053373] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 262.058120] ? trace_hardirqs_off+0x310/0x310 [ 262.062605] ? retint_kernel+0x1b/0x2d [ 262.066489] ? lock_acquire+0x1ed/0x520 [ 262.070456] ? bpf_test_run+0x3cb/0x780 [ 262.074422] ? lock_downgrade+0x900/0x900 [ 262.078569] ? lock_release+0x970/0x970 [ 262.082546] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 262.088342] ? preempt_schedule_common+0x1f/0xd0 [ 262.093089] ? preempt_schedule+0x4d/0x60 [ 262.097230] ? ___preempt_schedule+0x16/0x18 [ 262.101644] ? bpf_test_run+0x25d/0x780 [ 262.105616] ? netlink_diag_dump+0x2a0/0x2a0 [ 262.110022] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 262.115550] ? bpf_test_init.isra.9+0x70/0x100 [ 262.120133] ? bpf_prog_test_run_skb+0x634/0xb40 [ 262.124902] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 262.129739] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 262.135281] ? fput+0x130/0x1a0 [ 262.138555] ? __bpf_prog_get+0x9b/0x290 [ 262.142611] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 262.147450] ? bpf_prog_test_run+0x130/0x1a0 [ 262.151864] ? __x64_sys_bpf+0x3d8/0x510 [ 262.155937] ? bpf_prog_get+0x20/0x20 [ 262.159742] ? __x64_sys_futex+0x4bc/0x6a0 [ 262.163990] ? do_syscall_64+0x1b9/0x820 [ 262.168046] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 262.173404] ? syscall_return_slowpath+0x5e0/0x5e0 [ 262.178326] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 262.183165] ? trace_hardirqs_on_caller+0x310/0x310 [ 262.188180] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 262.193190] ? prepare_exit_to_usermode+0x291/0x3b0 [ 262.198243] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 262.203089] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 262.208455] warn_alloc_show_mem: 1 callbacks suppressed [ 262.208467] CPU: 1 PID: 5806 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #119 [ 262.208469] Mem-Info: [ 262.208499] active_anon:46475 inactive_anon:4207 isolated_anon:0 [ 262.208499] active_file:17 inactive_file:13 isolated_file:0 [ 262.208499] unevictable:0 dirty:0 writeback:0 unstable:0 [ 262.208499] slab_reclaimable:8782 slab_unreclaimable:1485678 [ 262.208499] mapped:8194 shmem:4214 pagetables:396 bounce:0 [ 262.208499] free:13756 free_pcp:276 free_cma:0 [ 262.213863] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 262.220876] Node 0 active_anon:185900kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32776kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 262.223272] Call Trace: [ 262.256223] Node 0 [ 262.265560] [ 262.293323] 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 [ 262.295876] dump_stack+0x1c4/0x2b4 [ 262.298083] lowmem_reserve[]: [ 262.300224] ? dump_stack_print_info.cold.2+0x52/0x52 [ 262.325696] 0 [ 262.329325] warn_alloc.cold.119+0xb7/0x1bd [ 262.332398] 2819 [ 262.337576] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 262.339355] 6323 [ 262.343679] ? lock_downgrade+0x900/0x900 [ 262.345730] 6323 [ 262.350596] ? trace_hardirqs_off+0xb8/0x310 [ 262.356767] ? trace_hardirqs_off+0xb8/0x310 [ 262.358808] Node 0 [ 262.363206] __alloc_pages_slowpath+0x2667/0x2d80 [ 262.367609] DMA32 free:25168kB min:30060kB low:37572kB high:45084kB active_anon:10240kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 262.369830] ? warn_alloc+0x120/0x120 [ 262.374634] lowmem_reserve[]: [ 262.401859] ? trace_hardirqs_on+0x310/0x310 [ 262.405643] 0 [ 262.408733] ? warn_alloc+0x120/0x120 [ 262.413129] 0 [ 262.414924] ? warn_alloc+0x120/0x120 [ 262.418695] 3503 [ 262.420489] ? ktime_get+0x2e1/0x440 [ 262.424268] 3503 [ 262.426321] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.432112] ? check_preemption_disabled+0x48/0x200 [ 262.437620] Node 0 Normal free:13948kB min:37352kB low:46688kB high:56024kB active_anon:175660kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5056kB pagetables:1584kB bounce:0kB free_pcp:856kB local_pcp:320kB free_cma:0kB [ 262.442649] ? kasan_check_read+0x11/0x20 [ 262.442665] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 262.471701] lowmem_reserve[]: [ 262.475842] ? should_fail+0x22d/0xd01 [ 262.481350] 0 [ 262.484464] ? rcu_bh_qs+0xc0/0xc0 [ 262.488321] 0 [ 262.490115] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 262.493622] 0 [ 262.495429] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 262.500505] 0 [ 262.502297] ? should_fail+0x22d/0xd01 [ 262.509617] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 262.513475] Node 0 [ 262.518562] ? should_fail+0x22d/0xd01 [ 262.518564] DMA: 1*4kB [ 262.520800] ? rcu_idle_enter+0x4b0/0x4b0 [ 262.524658] (U) [ 262.527246] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 262.531381] 0*8kB [ 262.533348] ? mark_held_locks+0x130/0x130 [ 262.538419] 0*16kB [ 262.540560] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.544776] 1*32kB [ 262.546999] ? mark_held_locks+0x130/0x130 [ 262.552507] (U) [ 262.554742] ? rcu_irq_exit+0xce/0x100 [ 262.558958] 2*64kB [ 262.560923] ? irq_exit+0xbd/0x1c0 [ 262.564800] (U) [ 262.567024] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 262.570539] 1*128kB [ 262.572506] ? do_raw_spin_unlock+0xa7/0x2f0 [ 262.577491] (U) [ 262.579812] ? smp_call_function_single_interrupt+0x650/0x650 [ 262.584191] 1*256kB [ 262.586158] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.592016] (U) [ 262.594331] ? ret_from_intr+0xb/0x1e [ 262.599843] 0*512kB [ 262.601857] ? retint_kernel+0x2d/0x2d [ 262.605628] 1*1024kB [ 262.607975] ? trace_hardirqs_on_caller+0xc0/0x310 [ 262.611833] (U) [ 262.614235] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 262.619137] 1*2048kB [ 262.621103] ? trace_hardirqs_off+0x310/0x310 [ 262.625833] (M) [ 262.628236] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 262.632702] 3*4096kB [ 262.634668] __alloc_pages_nodemask+0xa80/0xde0 [ 262.639737] (M) [ 262.642141] ? should_fail+0x22d/0xd01 [ 262.646781] = 15908kB [ 262.648745] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 262.652615] Node 0 [ 262.655025] ? ____cache_alloc_node+0x1c7/0x1e0 [ 262.660002] DMA32: [ 262.662226] ? lock_downgrade+0x900/0x900 [ 262.666865] 2*4kB [ 262.669100] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.673232] (M) [ 262.675371] cache_grow_begin+0x91/0x8c0 [ 262.680881] 1*8kB [ 262.682850] ? do_raw_spin_unlock+0xa7/0x2f0 [ 262.686880] (M) [ 262.689021] fallback_alloc+0x203/0x2e0 [ 262.693399] 2*16kB [ 262.695393] ____cache_alloc_node+0x1c7/0x1e0 [ 262.699337] (M) [ 262.701564] kmem_cache_alloc_node+0xe3/0x730 [ 262.706046] 3*32kB [ 262.708026] ? ipv6_get_ifaddr+0x42e/0x620 [ 262.712493] (MH) [ 262.714725] __alloc_skb+0x119/0x770 [ 262.718932] 5*64kB [ 262.720981] ? skb_scrub_packet+0x490/0x490 [ 262.724666] (MH) [ 262.726900] ? lock_downgrade+0x900/0x900 [ 262.731191] 3*128kB [ 262.733245] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.737364] (M) [ 262.739680] ? refcount_sub_and_test_checked+0x203/0x310 [ 262.745187] 5*256kB [ 262.747156] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 262.752576] (UMH) [ 262.754889] ? addrconf_rs_timer+0x690/0x690 [ 262.760309] 5*512kB [ 262.762452] ndisc_alloc_skb+0x144/0x340 [ 262.766847] (UMH) [ 262.769169] ndisc_send_rs+0x331/0x6e0 [ 262.773207] 4*1024kB [ 262.775345] addrconf_rs_timer+0x314/0x690 [ 262.779202] (UMH) [ 262.781603] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.785813] 2*2048kB [ 262.787954] call_timer_fn+0x272/0x920 [ 262.792157] (M) [ 262.794556] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.798444] 3*4096kB [ 262.800408] ? process_timeout+0x40/0x40 [ 262.804628] (M) [ 262.807041] ? trace_hardirqs_off+0xb8/0x310 [ 262.811090] = 25168kB [ 262.813064] ? kasan_check_read+0x11/0x20 [ 262.817445] Node 0 [ 262.819871] ? do_raw_spin_unlock+0xa7/0x2f0 [ 262.823991] Normal: [ 262.826223] ? trace_hardirqs_on+0x310/0x310 [ 262.830604] 1081*4kB [ 262.832918] ? __run_timers+0x7da/0xc70 [ 262.837298] (UMEH) [ 262.839697] ? lock_downgrade+0x900/0x900 [ 262.843643] 387*8kB [ 262.845889] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 262.850006] (ME) [ 262.852317] ? trace_hardirqs_on+0xbd/0x310 [ 262.857390] 152*16kB [ 262.859440] ? kasan_check_read+0x11/0x20 [ 262.863732] (UME) [ 262.866158] ? __run_timers+0x7da/0xc70 [ 262.870281] 54*32kB [ 262.872452] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 262.876394] (UME) [ 262.878709] ? kasan_check_write+0x14/0x20 [ 262.884131] 21*64kB [ 262.886275] ? do_raw_spin_lock+0xc1/0x200 [ 262.890477] (UM) [ 262.892792] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.897008] 0*128kB [ 262.899059] __run_timers+0x7e5/0xc70 [ 262.903263] 0*256kB 2*512kB [ 262.905616] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 262.909399] (U) [ 262.912404] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 262.917737] 0*1024kB [ 262.919725] ? timerqueue_add+0x207/0x2b0 [ 262.924719] 0*2048kB [ 262.927141] ? enqueue_hrtimer+0x1a5/0x560 [ 262.931271] 0*4096kB [ 262.933673] ? lock_release+0x970/0x970 [ 262.937880] = 13948kB [ 262.940279] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 262.944228] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 262.946759] ? check_preemption_disabled+0x48/0x200 [ 262.951966] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 262.960817] ? kasan_check_write+0x14/0x20 [ 262.965813] 4244 total pagecache pages [ 262.974378] ? pvclock_read_flags+0x160/0x160 [ 262.978584] 0 pages in swap cache [ 262.982461] ? lock_downgrade+0x900/0x900 [ 262.986935] Swap cache stats: add 0, delete 0, find 0/0 [ 262.990376] ? trace_hardirqs_on+0xbd/0x310 [ 262.994492] Free swap = 0kB [ 262.999861] ? kvm_sched_clock_read+0x9/0x20 [ 263.004163] Total swap = 0kB [ 263.007174] ? irq_exit+0x17f/0x1c0 [ 263.011553] 1965979 pages RAM [ 263.014590] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.018191] 0 pages HighMem/MovableOnly [ 263.021287] ? check_preemption_disabled+0x48/0x200 [ 263.026801] 342307 pages reserved [ 263.030777] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.035773] 0 pages cma reserved [ 263.039215] run_timer_softirq+0x52/0xb0 [ 263.044799] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 263.048098] ? __this_cpu_preempt_check+0x1c/0x1f [ 263.048108] __do_softirq+0x30b/0xad8 [ 263.048124] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 263.052232] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 263.058650] ? pvclock_read_flags+0x160/0x160 [ 263.063462] syz-executor2 cpuset= [ 263.067265] ? lapic_next_event+0x5a/0x90 [ 263.072340] syz2 [ 263.083285] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.087768] mems_allowed=0 [ 263.091209] ? clockevents_program_event+0x140/0x370 [ 263.110843] ? kvm_clock_read+0x18/0x30 [ 263.114824] ? kvm_sched_clock_read+0x9/0x20 [ 263.119228] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.124773] ? check_preemption_disabled+0x48/0x200 [ 263.129810] irq_exit+0x17f/0x1c0 [ 263.133258] smp_apic_timer_interrupt+0x1cb/0x760 [ 263.138096] ? smp_reschedule_interrupt+0x109/0x650 [ 263.143129] ? smp_call_function_single_interrupt+0x650/0x650 [ 263.149006] ? interrupt_entry+0xb5/0xf0 [ 263.153062] ? trace_hardirqs_off_caller+0xbb/0x310 [ 263.158105] ? trace_hardirqs_off_caller+0xbb/0x310 [ 263.163114] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 263.167955] ? trace_hardirqs_on_caller+0x310/0x310 [ 263.172963] ? trace_hardirqs_on_caller+0x310/0x310 [ 263.177986] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 263.183515] ? check_preemption_disabled+0x48/0x200 [ 263.188527] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 263.194064] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 263.198907] apic_timer_interrupt+0xf/0x20 [ 263.203129] [ 263.205357] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 263.210540] Code: 00 e8 97 f5 a3 f9 e8 d2 63 d3 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d 24 75 80 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d fa 74 [ 263.229429] RSP: 0000:ffff8801bbdd6150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 263.237132] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 263.244396] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe740 [ 263.251657] RBP: ffff8801bbdd6178 R08: ffff8801d838c080 R09: ffffed003b5e5979 [ 263.258937] R10: ffffed003b5e5979 R11: ffff8801daf2cbcb R12: dffffc0000000000 [ 263.266216] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 263.273517] ? trace_hardirqs_on+0x9a/0x310 [ 263.277838] ? trace_hardirqs_on+0xb4/0x310 [ 263.282165] retint_kernel+0x1b/0x2d [ 263.285876] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 263.291162] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 21 17 fa 48 83 3d 99 9c 86 01 00 75 07 e8 9a 7f d3 f9 0f 0b e8 93 7f d3 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 21 17 fa 4c 8b 45 d0 e9 [ 263.310068] RSP: 0000:ffff8801bbdd6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 263.317778] RAX: ffff8801d838c080 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 263.325068] RDX: 0000000000000000 RSI: ffffffff87ab55fd RDI: 0000000000000293 [ 263.332330] RBP: ffff8801bbdd6240 R08: ffff8801d838c080 R09: fffffbfff13d9700 [ 263.339591] R10: fffffbfff13d9700 R11: 0000000000000003 R12: 0000000000000293 [ 263.346851] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff8931f280 [ 263.354124] ? trace_hardirqs_on+0x9a/0x310 [ 263.358455] ? arch_local_irq_restore+0x45/0x52 [ 263.363165] dump_stack+0x26a/0x2b4 [ 263.366801] ? dump_stack_print_info.cold.2+0x52/0x52 [ 263.371989] ? mark_held_locks+0x130/0x130 [ 263.376238] ? mark_held_locks+0x130/0x130 [ 263.380479] dump_header+0x27b/0xf72 [ 263.384190] ? rcu_read_unlock+0x16/0x60 [ 263.388250] ? pagefault_out_of_memory+0x197/0x197 [ 263.393184] ? mark_held_locks+0x130/0x130 [ 263.397412] ? percpu_ref_put_many+0x13e/0x260 [ 263.401986] ? mem_cgroup_charge_statistics+0x780/0x780 [ 263.407354] ? mem_cgroup_iter+0x1f7/0x1160 [ 263.411723] ? mark_held_locks+0x130/0x130 [ 263.415995] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.421540] ? task_will_free_mem+0x239/0xb30 [ 263.426039] ? ___ratelimit+0x36f/0x655 [ 263.430006] ? lock_downgrade+0x900/0x900 [ 263.434166] ? trace_hardirqs_on+0xbd/0x310 [ 263.438483] ? kasan_check_read+0x11/0x20 [ 263.442622] ? ___ratelimit+0x36f/0x655 [ 263.446593] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 263.452047] ? trace_hardirqs_on+0x310/0x310 [ 263.456450] ? lock_downgrade+0x900/0x900 [ 263.460600] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 263.465692] ? ___ratelimit+0xaa/0x655 [ 263.469572] ? idr_get_free+0xec0/0xec0 [ 263.473553] ? kasan_check_write+0x14/0x20 [ 263.477781] ? do_raw_spin_lock+0xc1/0x200 [ 263.482017] oom_kill_process.cold.27+0x10/0x903 [ 263.486773] ? lock_downgrade+0x900/0x900 [ 263.490920] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 263.496714] ? oom_evaluate_task+0x540/0x540 [ 263.501133] ? shrink_node+0x16b0/0x16b0 [ 263.505191] ? oom_unkillable_task+0x383/0x580 [ 263.509777] ? out_of_memory+0x974/0x1430 [ 263.513920] ? lock_downgrade+0x900/0x900 [ 263.518082] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 263.523880] ? __cpuset_node_allowed+0x19b/0x660 [ 263.528639] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 263.534169] ? oom_evaluate_task+0x302/0x540 [ 263.538576] out_of_memory+0xa84/0x1430 [ 263.542551] ? oom_killer_disable+0x3a0/0x3a0 [ 263.547061] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 263.551987] ? __mutex_add_waiter+0x2a0/0x2a0 [ 263.556478] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 263.561487] ? find_next_bit+0x104/0x130 [ 263.565547] __alloc_pages_slowpath+0x2318/0x2d80 [ 263.570400] ? warn_alloc+0x120/0x120 [ 263.574212] ? __radix_tree_lookup+0x4c0/0x4c0 [ 263.578808] ? find_get_entry+0x2f2/0xc40 [ 263.582976] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 263.587903] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 263.593456] ? should_fail+0x22d/0xd01 [ 263.597363] ? ___might_sleep+0x1ed/0x300 [ 263.601509] ? lock_release+0x970/0x970 [ 263.605481] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 263.610573] ? debug_smp_processor_id+0x1c/0x20 [ 263.615239] ? __might_sleep+0x95/0x190 [ 263.619217] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 263.624059] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 263.629092] ? lock_downgrade+0x900/0x900 [ 263.633245] ? ___might_sleep+0x1ed/0x300 [ 263.637388] ? lock_release+0x970/0x970 [ 263.641398] ? arch_local_save_flags+0x40/0x40 [ 263.645981] ? finish_task_switch+0x1f5/0x900 [ 263.650478] ? __might_sleep+0x95/0x190 [ 263.654449] __alloc_pages_nodemask+0xa80/0xde0 [ 263.659115] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 263.664130] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 263.669920] ? kasan_check_write+0x14/0x20 [ 263.674150] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 263.678823] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.684356] ? __do_page_cache_readahead+0x7ce/0x980 [ 263.689460] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 263.694997] alloc_pages_current+0x10c/0x210 [ 263.699399] ? lock_downgrade+0x900/0x900 [ 263.703541] __page_cache_alloc+0x38f/0x5b0 [ 263.707866] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 263.713662] ? ext4_filemap_fault+0x82/0xad [ 263.717975] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 263.722640] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 263.728172] ? check_preemption_disabled+0x48/0x200 [ 263.733184] filemap_fault+0x1594/0x25f0 [ 263.737244] ? __lock_page_or_retry+0xa00/0xa00 [ 263.741917] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 263.747729] ? unwind_dump+0x190/0x190 [ 263.751628] ? is_bpf_text_address+0xd3/0x170 [ 263.756155] ? filemap_map_pages+0xdea/0x1980 [ 263.760656] ? find_get_pages_range_tag+0x1320/0x1320 [ 263.765860] ? save_stack+0xa9/0xd0 [ 263.769495] ? save_stack+0x43/0xd0 [ 263.773140] ? __kasan_slab_free+0x102/0x150 [ 263.777556] ? __sigqueue_free.part.27+0x7d/0xa0 [ 263.782307] ? __dequeue_signal+0x530/0x7d0 [ 263.786623] ? dequeue_signal+0x26c/0x630 [ 263.790768] ? get_signal+0x3ec/0x1980 [ 263.794652] ? do_signal+0x9c/0x21e0 [ 263.798363] ? exit_to_usermode_loop+0x2e5/0x380 [ 263.803119] ? mark_held_locks+0x130/0x130 [ 263.807360] ? trace_hardirqs_on+0x310/0x310 [ 263.811786] ? lock_acquire+0x1ed/0x520 [ 263.815764] ? ext4_filemap_fault+0x7a/0xad [ 263.820107] ? lock_release+0x970/0x970 [ 263.824075] ? arch_local_save_flags+0x40/0x40 [ 263.828656] ? mark_held_locks+0x130/0x130 [ 263.832886] ? trace_hardirqs_off+0xb8/0x310 [ 263.837298] ? down_read+0xb0/0x1d0 [ 263.840917] ? ext4_filemap_fault+0x7a/0xad [ 263.845233] ? __down_interruptible+0x700/0x700 [ 263.849903] ? kmem_cache_free+0x21a/0x290 [ 263.854137] ? __sigqueue_free.part.27+0x7d/0xa0 [ 263.858893] ? __dequeue_signal+0xf9/0x7d0 [ 263.863127] ext4_filemap_fault+0x82/0xad [ 263.867276] __do_fault+0x100/0x6b0 [ 263.870906] ? print_bad_pte+0x6c0/0x6c0 [ 263.874966] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 263.880500] ? pmd_val+0x88/0x100 [ 263.883951] ? add_mm_counter_fast+0xd0/0xd0 [ 263.888351] ? pmd_val+0x88/0x100 [ 263.891806] ? add_mm_counter_fast+0xd0/0xd0 [ 263.896212] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 263.901758] __handle_mm_fault+0x3709/0x53e0 [ 263.906166] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 263.910999] ? kasan_check_write+0x14/0x20 [ 263.915227] ? do_raw_spin_lock+0xc1/0x200 [ 263.919461] ? _raw_spin_unlock_irq+0x60/0x80 [ 263.923958] ? __set_current_blocked+0xe4/0x120 [ 263.928625] ? lock_acquire+0x1ed/0x520 [ 263.932595] ? handle_mm_fault+0x42a/0xc70 [ 263.936826] ? lock_downgrade+0x900/0x900 [ 263.940989] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 263.946827] ? __do_page_fault+0x67d/0xed0 [ 263.951071] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 263.956516] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 263.962061] ? check_preemption_disabled+0x48/0x200 [ 263.967083] handle_mm_fault+0x54f/0xc70 [ 263.971144] ? __handle_mm_fault+0x53e0/0x53e0 [ 263.975724] ? find_vma+0x34/0x190 [ 263.979275] __do_page_fault+0x67d/0xed0 [ 263.983336] ? mm_fault_error+0x380/0x380 [ 263.987482] ? syscall_slow_exit_work+0x520/0x520 [ 263.992320] do_page_fault+0xf2/0x7e0 [ 263.996120] ? vmalloc_sync_all+0x30/0x30 [ 264.000283] ? error_entry+0x70/0xd0 [ 264.003994] ? trace_hardirqs_off_caller+0xbb/0x310 [ 264.009035] ? trace_hardirqs_on_caller+0xc0/0x310 [ 264.013957] ? syscall_return_slowpath+0x5e0/0x5e0 [ 264.018882] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 264.023764] ? trace_hardirqs_on_caller+0x310/0x310 [ 264.028784] ? trace_hardirqs_off+0x310/0x310 [ 264.033291] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 264.038320] ? prepare_exit_to_usermode+0x291/0x3b0 [ 264.043332] ? page_fault+0x8/0x30 [ 264.046871] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 264.051736] ? page_fault+0x8/0x30 [ 264.055296] page_fault+0x1e/0x30 [ 264.058769] RIP: 0033:0x45db60 [ 264.061962] Code: Bad RIP value. [ 264.065318] RSP: 002b:000000c420049ab8 EFLAGS: 00010286 [ 264.070674] RAX: 0000000000000000 RBX: 000000c420026380 RCX: 000000000045ddf3 [ 264.077932] RDX: 000000c420049ac0 RSI: 000000c420049bf0 RDI: 0000000000000011 [ 264.085191] RBP: 000000c420022f08 R08: 0000000000000000 R09: 0000000000000000 [ 264.092471] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42005c168 [ 264.099733] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000 [ 264.107031] CPU: 0 PID: 7800 Comm: syz-executor2 Not tainted 4.19.0-rc6+ #119 [ 264.107093] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 264.114303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 264.120837] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 264.130115] Call Trace: [ 264.140319] syz-fuzzer cpuset= [ 264.142894] [ 264.142896] / mems_allowed=0 [ 264.146105] dump_stack+0x1c4/0x2b4 [ 264.154852] ? dump_stack_print_info.cold.2+0x52/0x52 [ 264.160044] warn_alloc.cold.119+0xb7/0x1bd [ 264.164359] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 264.169196] ? lock_downgrade+0x900/0x900 [ 264.173344] ? trace_hardirqs_off+0xb8/0x310 [ 264.177765] ? trace_hardirqs_off+0xb8/0x310 [ 264.182173] __alloc_pages_slowpath+0x2667/0x2d80 [ 264.187042] ? warn_alloc+0x120/0x120 [ 264.190890] ? lock_release+0x970/0x970 [ 264.194876] ? warn_alloc+0x120/0x120 [ 264.198671] ? trace_hardirqs_on+0x310/0x310 [ 264.203081] ? warn_alloc+0x120/0x120 [ 264.206881] ? mark_held_locks+0x130/0x130 [ 264.211129] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.216657] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 264.222191] ? should_fail+0x22d/0xd01 [ 264.226091] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 264.231183] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 264.236712] ? should_fail+0x22d/0xd01 [ 264.240600] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 264.245710] ? should_fail+0x22d/0xd01 [ 264.249620] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 264.254716] ? mark_held_locks+0x130/0x130 [ 264.258962] ? mark_held_locks+0x130/0x130 [ 264.263185] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.268717] ? trace_hardirqs_off+0xb8/0x310 [ 264.273125] ? kasan_check_read+0x11/0x20 [ 264.277263] ? do_raw_spin_unlock+0xa7/0x2f0 [ 264.281663] ? trace_hardirqs_on+0x310/0x310 [ 264.286064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.291595] ? wq_watchdog_touch+0x9c/0xfe [ 264.295830] ? io_serial_in+0x11/0x90 [ 264.299625] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.305162] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 264.310284] __alloc_pages_nodemask+0xa80/0xde0 [ 264.314946] ? should_fail+0x22d/0xd01 [ 264.318848] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 264.323889] ? ____cache_alloc_node+0x1c7/0x1e0 [ 264.328550] ? lock_downgrade+0x900/0x900 [ 264.332699] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.338235] cache_grow_begin+0x91/0x8c0 [ 264.342291] ? do_raw_spin_unlock+0xa7/0x2f0 [ 264.346699] fallback_alloc+0x203/0x2e0 [ 264.350671] ____cache_alloc_node+0x1c7/0x1e0 [ 264.355189] kmem_cache_alloc_node+0xe3/0x730 [ 264.359700] ? ipv6_get_ifaddr+0x42e/0x620 [ 264.363936] __alloc_skb+0x119/0x770 [ 264.367648] ? skb_scrub_packet+0x490/0x490 [ 264.371965] ? lock_downgrade+0x900/0x900 [ 264.376115] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.381649] ? refcount_sub_and_test_checked+0x203/0x310 [ 264.387103] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 264.392574] ? addrconf_rs_timer+0x690/0x690 [ 264.396995] ndisc_alloc_skb+0x144/0x340 [ 264.401058] ndisc_send_rs+0x331/0x6e0 [ 264.404947] addrconf_rs_timer+0x314/0x690 [ 264.409179] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 264.413414] call_timer_fn+0x272/0x920 [ 264.417298] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 264.421537] ? process_timeout+0x40/0x40 [ 264.425590] ? trace_hardirqs_off+0xb8/0x310 [ 264.429994] ? kasan_check_read+0x11/0x20 [ 264.434137] ? do_raw_spin_unlock+0xa7/0x2f0 [ 264.438539] ? trace_hardirqs_on+0x310/0x310 [ 264.442988] ? __run_timers+0x7da/0xc70 [ 264.446962] ? lock_downgrade+0x900/0x900 [ 264.451107] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 264.456208] ? trace_hardirqs_on+0xbd/0x310 [ 264.460521] ? kasan_check_read+0x11/0x20 [ 264.464668] ? __run_timers+0x7da/0xc70 [ 264.468655] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 264.474120] ? kasan_check_write+0x14/0x20 [ 264.478351] ? do_raw_spin_lock+0xc1/0x200 [ 264.482584] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 264.486814] __run_timers+0x7e5/0xc70 [ 264.490623] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 264.495981] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 264.500994] ? timerqueue_add+0x207/0x2b0 [ 264.505137] ? enqueue_hrtimer+0x1a5/0x560 [ 264.509363] ? lock_release+0x970/0x970 [ 264.513333] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 264.518522] ? kasan_check_write+0x14/0x20 [ 264.522768] ? pvclock_read_flags+0x160/0x160 [ 264.527261] ? lock_downgrade+0x900/0x900 [ 264.531409] ? trace_hardirqs_on+0xbd/0x310 [ 264.535725] ? kvm_sched_clock_read+0x9/0x20 [ 264.540138] ? irq_exit+0x17f/0x1c0 [ 264.543789] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.549326] ? check_preemption_disabled+0x48/0x200 [ 264.554338] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.559873] run_timer_softirq+0x52/0xb0 [ 264.563929] ? __this_cpu_preempt_check+0x1c/0x1f [ 264.568777] __do_softirq+0x30b/0xad8 [ 264.572580] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 264.577679] ? pvclock_read_flags+0x160/0x160 [ 264.582187] ? lapic_next_event+0x5a/0x90 [ 264.586343] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.591876] ? clockevents_program_event+0x140/0x370 [ 264.596974] ? kvm_clock_read+0x18/0x30 [ 264.600942] ? kvm_sched_clock_read+0x9/0x20 [ 264.605346] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.610914] ? check_preemption_disabled+0x48/0x200 [ 264.615942] irq_exit+0x17f/0x1c0 [ 264.619391] smp_apic_timer_interrupt+0x1cb/0x760 [ 264.624226] ? smp_reschedule_interrupt+0x109/0x650 [ 264.629243] ? smp_call_function_single_interrupt+0x650/0x650 [ 264.635126] ? interrupt_entry+0xb5/0xf0 [ 264.639181] ? trace_hardirqs_off_caller+0xbb/0x310 [ 264.644222] ? trace_hardirqs_off_caller+0xbb/0x310 [ 264.649260] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 264.654142] ? trace_hardirqs_on_caller+0x310/0x310 [ 264.659154] ? trace_hardirqs_on_caller+0x310/0x310 [ 264.664166] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.669698] ? check_preemption_disabled+0x48/0x200 [ 264.674717] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 264.679558] apic_timer_interrupt+0xf/0x20 [ 264.683811] [ 264.686049] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 264.691929] Code: 3f 7e 0f 85 32 ff ff ff e8 53 4a 3e ff e9 28 ff ff ff e8 ba ad c2 ff 48 83 3d 0a bf 6f 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 62 23 [ 264.710854] RSP: 0018:ffff88019a29f4a8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 264.718601] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000627e000 [ 264.725864] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 264.733126] RBP: ffff88019a29f520 R08: ffff8801ba14e480 R09: fffffbfff12720c0 [ 264.740418] R10: ffff88019a29e0f0 R11: ffffffff89390603 R12: ffff8801da800ac0 [ 264.747676] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286 [ 264.754948] ? trace_hardirqs_on+0xb4/0x310 [ 264.759271] ? save_stack+0xa9/0xd0 [ 264.762929] __kmalloc_node_track_caller+0x33/0x70 [ 264.767872] __kmalloc_reserve.isra.39+0xcc/0xe0 [ 264.772624] pskb_expand_head+0x230/0x10f0 [ 264.776854] ? lock_downgrade+0x900/0x900 [ 264.780996] ? check_preemption_disabled+0x48/0x200 [ 264.786019] ? memcpy+0x45/0x50 [ 264.789295] ? __copy_skb_header+0x350/0x6b0 [ 264.793699] ? __pskb_copy_fclone+0xeb0/0xeb0 [ 264.798195] ? skb_checksum+0x140/0x140 [ 264.802161] ? trace_hardirqs_on+0xbd/0x310 [ 264.806474] ? skb_clone+0x1bb/0x500 [ 264.810184] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 264.815625] ? kasan_unpoison_shadow+0x35/0x50 [ 264.820218] ? kasan_check_write+0x14/0x20 [ 264.824446] ? __skb_clone+0x6c7/0xa00 [ 264.828334] ? __copy_skb_header+0x6b0/0x6b0 [ 264.832737] ? kmem_cache_alloc+0x306/0x730 [ 264.837077] skb_ensure_writable+0x3dd/0x640 [ 264.841485] ? skb_cow_data+0xf10/0xf10 [ 264.845465] ? check_preemption_disabled+0x48/0x200 [ 264.850492] ? __this_cpu_preempt_check+0x1c/0x1f [ 264.855327] ? __bpf_redirect+0x54b/0xb20 [ 264.859478] ? __switch_to_asm+0x34/0x70 [ 264.863536] bpf_clone_redirect+0x14a/0x490 [ 264.867855] bpf_prog_3d1649e183dc2cc1+0xca3/0x1000 [ 264.872866] ? __sched_text_start+0x8/0x8 [ 264.877026] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 264.881781] ? retint_kernel+0x2d/0x2d [ 264.885662] ? trace_hardirqs_on_caller+0xc0/0x310 [ 264.890586] ? retint_kernel+0x2d/0x2d [ 264.894469] ? trace_hardirqs_on_caller+0xc0/0x310 [ 264.899391] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 264.904142] ? trace_hardirqs_off+0x310/0x310 [ 264.908633] ? retint_kernel+0x1b/0x2d [ 264.912517] ? lock_acquire+0x1ed/0x520 [ 264.916484] ? bpf_test_run+0x3cb/0x780 [ 264.920450] ? lock_downgrade+0x900/0x900 [ 264.924591] ? lock_release+0x970/0x970 [ 264.928565] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 264.934360] ? preempt_schedule_common+0x1f/0xd0 [ 264.939109] ? preempt_schedule+0x4d/0x60 [ 264.943267] ? ___preempt_schedule+0x16/0x18 [ 264.948157] ? bpf_test_run+0x25d/0x780 [ 264.952148] ? netlink_diag_dump+0x2a0/0x2a0 [ 264.956551] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 264.962081] ? bpf_test_init.isra.9+0x70/0x100 [ 264.966662] ? bpf_prog_test_run_skb+0x634/0xb40 [ 264.971421] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 264.976257] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 264.981790] ? fput+0x130/0x1a0 [ 264.985069] ? __bpf_prog_get+0x9b/0x290 [ 264.989122] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 264.993960] ? bpf_prog_test_run+0x130/0x1a0 [ 264.998361] ? __x64_sys_bpf+0x3d8/0x510 [ 265.002445] ? bpf_prog_get+0x20/0x20 [ 265.006248] ? __x64_sys_futex+0x4bc/0x6a0 [ 265.010481] ? do_syscall_64+0x1b9/0x820 [ 265.014534] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 265.019898] ? syscall_return_slowpath+0x5e0/0x5e0 [ 265.024836] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 265.029673] ? trace_hardirqs_on_caller+0x310/0x310 [ 265.034685] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 265.039698] ? prepare_exit_to_usermode+0x291/0x3b0 [ 265.044714] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 265.049559] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 265.054921] warn_alloc_show_mem: 1 callbacks suppressed [ 265.054932] CPU: 1 PID: 5806 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #119 [ 265.054934] Mem-Info: [ 265.054963] active_anon:46475 inactive_anon:4207 isolated_anon:0 [ 265.054963] active_file:17 inactive_file:13 isolated_file:0 [ 265.054963] unevictable:0 dirty:0 writeback:0 unstable:0 [ 265.054963] slab_reclaimable:8782 slab_unreclaimable:1485678 [ 265.054963] mapped:8194 shmem:4214 pagetables:396 bounce:0 [ 265.054963] free:13756 free_pcp:276 free_cma:0 [ 265.060298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 265.067327] Node 0 active_anon:185900kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32776kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 265.069719] Call Trace: [ 265.102663] Node 0 [ 265.112007] [ 265.139779] 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 [ 265.142326] dump_stack+0x1c4/0x2b4 [ 265.144537] lowmem_reserve[]: [ 265.146678] ? dump_stack_print_info.cold.2+0x52/0x52 [ 265.172152] 0 [ 265.175780] warn_alloc.cold.119+0xb7/0x1bd [ 265.178860] 2819 [ 265.184035] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 265.185811] 6323 [ 265.190120] ? lock_downgrade+0x900/0x900 [ 265.192158] 6323 [ 265.196985] ? trace_hardirqs_off+0xb8/0x310 [ 265.203167] ? trace_hardirqs_off+0xb8/0x310 [ 265.205216] Node 0 [ 265.209616] __alloc_pages_slowpath+0x2667/0x2d80 [ 265.214015] DMA32 free:25168kB min:30060kB low:37572kB high:45084kB active_anon:10240kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 265.216229] ? warn_alloc+0x120/0x120 [ 265.221050] lowmem_reserve[]: [ 265.248276] ? trace_hardirqs_on+0x310/0x310 [ 265.252048] 0 [ 265.255141] ? warn_alloc+0x120/0x120 [ 265.259522] 0 [ 265.261316] ? warn_alloc+0x120/0x120 [ 265.265087] 3503 [ 265.266883] ? ktime_get+0x2e1/0x440 [ 265.270666] 3503 [ 265.272717] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.278466] ? check_preemption_disabled+0x48/0x200 [ 265.283974] Node 0 Normal free:13948kB min:37352kB low:46688kB high:56024kB active_anon:175660kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5056kB pagetables:1584kB bounce:0kB free_pcp:856kB local_pcp:320kB free_cma:0kB [ 265.289016] ? kasan_check_read+0x11/0x20 [ 265.289032] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 265.318065] lowmem_reserve[]: [ 265.322253] ? should_fail+0x22d/0xd01 [ 265.327768] 0 [ 265.330867] ? rcu_bh_qs+0xc0/0xc0 [ 265.334724] 0 [ 265.336519] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 265.340030] 0 [ 265.341825] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 265.346913] 0 [ 265.348707] ? should_fail+0x22d/0xd01 [ 265.356026] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 265.359883] Node 0 [ 265.364972] ? should_fail+0x22d/0xd01 [ 265.364974] DMA: 1*4kB [ 265.367214] ? rcu_idle_enter+0x4b0/0x4b0 [ 265.371072] (U) [ 265.373660] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 265.377798] 0*8kB [ 265.379791] ? mark_held_locks+0x130/0x130 [ 265.384885] 0*16kB [ 265.387028] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.391233] 1*32kB [ 265.393480] ? mark_held_locks+0x130/0x130 [ 265.398989] (U) [ 265.401213] ? rcu_irq_exit+0xce/0x100 [ 265.405416] 2*64kB [ 265.407379] ? irq_exit+0xbd/0x1c0 [ 265.411237] (U) [ 265.413463] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 265.416988] 1*128kB [ 265.418955] ? do_raw_spin_unlock+0xa7/0x2f0 [ 265.423942] (U) [ 265.426256] ? smp_call_function_single_interrupt+0x650/0x650 [ 265.430634] 1*256kB [ 265.432618] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.438472] (U) [ 265.440784] ? ret_from_intr+0xb/0x1e [ 265.446291] 0*512kB [ 265.448258] ? retint_kernel+0x2d/0x2d [ 265.452028] 1*1024kB [ 265.454340] ? trace_hardirqs_on_caller+0xc0/0x310 [ 265.458195] (U) [ 265.460612] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 265.465544] 1*2048kB [ 265.467512] ? trace_hardirqs_off+0x310/0x310 [ 265.472239] (M) [ 265.474643] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 265.479110] 3*4096kB [ 265.481078] __alloc_pages_nodemask+0xa80/0xde0 [ 265.486145] (M) [ 265.488541] ? should_fail+0x22d/0xd01 [ 265.493179] = 15908kB [ 265.495146] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 265.499006] Node 0 [ 265.501413] ? ____cache_alloc_node+0x1c7/0x1e0 [ 265.506388] DMA32: [ 265.508616] ? lock_downgrade+0x900/0x900 [ 265.513261] 2*4kB [ 265.515492] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.519611] (M) [ 265.521759] cache_grow_begin+0x91/0x8c0 [ 265.527290] 1*8kB [ 265.529257] ? do_raw_spin_unlock+0xa7/0x2f0 [ 265.533289] (M) [ 265.535431] fallback_alloc+0x203/0x2e0 [ 265.539812] 2*16kB [ 265.541802] ____cache_alloc_node+0x1c7/0x1e0 [ 265.545748] (M) [ 265.547982] kmem_cache_alloc_node+0xe3/0x730 [ 265.552446] 3*32kB [ 265.554406] ? ipv6_get_ifaddr+0x42e/0x620 [ 265.558873] (MH) [ 265.561104] __alloc_skb+0x119/0x770 [ 265.565353] 5*64kB [ 265.567402] ? skb_scrub_packet+0x490/0x490 [ 265.571090] (MH) [ 265.573315] ? lock_downgrade+0x900/0x900 [ 265.577609] 3*128kB [ 265.579667] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.583788] (M) [ 265.586102] ? refcount_sub_and_test_checked+0x203/0x310 [ 265.591606] 5*256kB [ 265.593569] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 265.598989] (UMH) [ 265.601305] ? addrconf_rs_timer+0x690/0x690 [ 265.606725] 5*512kB [ 265.608862] ndisc_alloc_skb+0x144/0x340 [ 265.613237] (UMH) [ 265.615546] ndisc_send_rs+0x331/0x6e0 [ 265.619580] 4*1024kB [ 265.621715] addrconf_rs_timer+0x314/0x690 [ 265.625574] (UMH) [ 265.627977] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.632182] 2*2048kB [ 265.634324] call_timer_fn+0x272/0x920 [ 265.638525] (M) [ 265.640923] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.644785] 3*4096kB [ 265.646771] ? process_timeout+0x40/0x40 [ 265.650982] (M) [ 265.653381] ? trace_hardirqs_off+0xb8/0x310 [ 265.657414] = 25168kB [ 265.659377] ? kasan_check_read+0x11/0x20 [ 265.663768] Node 0 [ 265.666201] ? do_raw_spin_unlock+0xa7/0x2f0 [ 265.670317] Normal: [ 265.672545] ? trace_hardirqs_on+0x310/0x310 [ 265.676924] 1081*4kB [ 265.679238] ? __run_timers+0x7da/0xc70 [ 265.683621] (UMEH) [ 265.686024] ? lock_downgrade+0x900/0x900 [ 265.689968] 387*8kB [ 265.692192] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 265.696311] (ME) [ 265.698621] ? trace_hardirqs_on+0xbd/0x310 [ 265.703697] 152*16kB [ 265.705744] ? kasan_check_read+0x11/0x20 [ 265.710049] (UME) [ 265.712470] ? __run_timers+0x7da/0xc70 [ 265.716590] 54*32kB [ 265.718729] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 265.722674] (UME) [ 265.725004] ? kasan_check_write+0x14/0x20 [ 265.730432] 21*64kB [ 265.732575] ? do_raw_spin_lock+0xc1/0x200 [ 265.736785] (UM) [ 265.739131] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.743341] 0*128kB [ 265.745406] __run_timers+0x7e5/0xc70 [ 265.749618] 0*256kB [ 265.751936] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 265.755704] 2*512kB [ 265.758016] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 265.763349] (U) [ 265.765663] ? timerqueue_add+0x207/0x2b0 [ 265.770652] 0*1024kB [ 265.772631] ? enqueue_hrtimer+0x1a5/0x560 [ 265.776758] 0*2048kB [ 265.779157] ? lock_release+0x970/0x970 [ 265.783377] 0*4096kB = 13948kB [ 265.785788] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 265.789739] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 265.792929] ? check_preemption_disabled+0x48/0x200 [ 265.798111] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 265.806941] ? kasan_check_write+0x14/0x20 [ 265.811929] 4244 total pagecache pages [ 265.820495] ? pvclock_read_flags+0x160/0x160 [ 265.824705] 0 pages in swap cache [ 265.828578] ? lock_downgrade+0x900/0x900 [ 265.833047] Swap cache stats: add 0, delete 0, find 0/0 [ 265.836489] ? trace_hardirqs_on+0xbd/0x310 [ 265.840607] Free swap = 0kB [ 265.845961] ? kvm_sched_clock_read+0x9/0x20 [ 265.850265] Total swap = 0kB [ 265.850274] 1965979 pages RAM [ 265.853288] ? irq_exit+0x17f/0x1c0 [ 265.857668] 0 pages HighMem/MovableOnly [ 265.860686] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.863785] 342307 pages reserved [ 265.867441] ? check_preemption_disabled+0x48/0x200 [ 265.871391] 0 pages cma reserved [ 265.876939] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.880413] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 265.885372] run_timer_softirq+0x52/0xb0 [ 265.888789] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 265.894233] ? __this_cpu_preempt_check+0x1c/0x1f [ 265.900696] syz-executor2 cpuset= [ 265.904740] __do_softirq+0x30b/0xad8 [ 265.915201] syz2 [ 265.920029] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 265.923456] mems_allowed=0 [ 265.927242] ? pvclock_read_flags+0x160/0x160 [ 265.941689] ? lapic_next_event+0x5a/0x90 [ 265.945831] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.951366] ? clockevents_program_event+0x140/0x370 [ 265.956463] ? kvm_clock_read+0x18/0x30 [ 265.960439] ? kvm_sched_clock_read+0x9/0x20 [ 265.964839] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.970365] ? check_preemption_disabled+0x48/0x200 [ 265.975400] irq_exit+0x17f/0x1c0 [ 265.978868] smp_apic_timer_interrupt+0x1cb/0x760 [ 265.983719] ? smp_reschedule_interrupt+0x109/0x650 [ 265.988741] ? smp_call_function_single_interrupt+0x650/0x650 [ 265.994626] ? interrupt_entry+0xb5/0xf0 [ 265.998679] ? trace_hardirqs_off_caller+0xbb/0x310 [ 266.003705] ? trace_hardirqs_off_caller+0xbb/0x310 [ 266.008718] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 266.013557] ? trace_hardirqs_on_caller+0x310/0x310 [ 266.018570] ? trace_hardirqs_on_caller+0x310/0x310 [ 266.023579] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 266.029140] ? check_preemption_disabled+0x48/0x200 [ 266.034156] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 266.039694] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 266.044558] apic_timer_interrupt+0xf/0x20 [ 266.048783] [ 266.051022] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 266.056205] Code: 00 e8 97 f5 a3 f9 e8 d2 63 d3 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d 24 75 80 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d fa 74 [ 266.075097] RSP: 0000:ffff8801bbdd6150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 266.082815] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 266.090097] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe740 [ 266.097361] RBP: ffff8801bbdd6178 R08: ffff8801d838c080 R09: ffffed003b5e5979 [ 266.104621] R10: ffffed003b5e5979 R11: ffff8801daf2cbcb R12: dffffc0000000000 [ 266.111880] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 266.119151] ? trace_hardirqs_on+0x9a/0x310 [ 266.123469] ? trace_hardirqs_on+0xb4/0x310 [ 266.127795] retint_kernel+0x1b/0x2d [ 266.131505] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 266.136785] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 21 17 fa 48 83 3d 99 9c 86 01 00 75 07 e8 9a 7f d3 f9 0f 0b e8 93 7f d3 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 21 17 fa 4c 8b 45 d0 e9 [ 266.155682] RSP: 0000:ffff8801bbdd6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 266.163383] RAX: ffff8801d838c080 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 266.170646] RDX: 0000000000000000 RSI: ffffffff87ab55fd RDI: 0000000000000293 [ 266.177905] RBP: ffff8801bbdd6240 R08: ffff8801d838c080 R09: fffffbfff13d9700 [ 266.185164] R10: fffffbfff13d9700 R11: 0000000000000003 R12: 0000000000000293 [ 266.192424] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff8931f280 [ 266.199696] ? trace_hardirqs_on+0x9a/0x310 [ 266.204011] ? arch_local_irq_restore+0x45/0x52 [ 266.208689] dump_stack+0x26a/0x2b4 [ 266.212329] ? dump_stack_print_info.cold.2+0x52/0x52 [ 266.217512] ? mark_held_locks+0x130/0x130 [ 266.221740] ? mark_held_locks+0x130/0x130 [ 266.225995] dump_header+0x27b/0xf72 [ 266.229720] ? rcu_read_unlock+0x16/0x60 [ 266.233792] ? pagefault_out_of_memory+0x197/0x197 [ 266.238715] ? mark_held_locks+0x130/0x130 [ 266.242940] ? percpu_ref_put_many+0x13e/0x260 [ 266.247516] ? mem_cgroup_charge_statistics+0x780/0x780 [ 266.252912] ? mem_cgroup_iter+0x1f7/0x1160 [ 266.257239] ? mark_held_locks+0x130/0x130 [ 266.261480] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.267012] ? task_will_free_mem+0x239/0xb30 [ 266.271511] ? ___ratelimit+0x36f/0x655 [ 266.275497] ? lock_downgrade+0x900/0x900 [ 266.279662] ? trace_hardirqs_on+0xbd/0x310 [ 266.284037] ? kasan_check_read+0x11/0x20 [ 266.288177] ? ___ratelimit+0x36f/0x655 [ 266.292146] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 266.297587] ? trace_hardirqs_on+0x310/0x310 [ 266.302000] ? lock_downgrade+0x900/0x900 [ 266.306148] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 266.311238] ? ___ratelimit+0xaa/0x655 [ 266.315122] ? idr_get_free+0xec0/0xec0 [ 266.319103] ? kasan_check_write+0x14/0x20 [ 266.323329] ? do_raw_spin_lock+0xc1/0x200 [ 266.327560] oom_kill_process.cold.27+0x10/0x903 [ 266.332314] ? lock_downgrade+0x900/0x900 [ 266.336463] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 266.342257] ? oom_evaluate_task+0x540/0x540 [ 266.346666] ? shrink_node+0x16b0/0x16b0 [ 266.350728] ? oom_unkillable_task+0x383/0x580 [ 266.355307] ? out_of_memory+0x974/0x1430 [ 266.359447] ? lock_downgrade+0x900/0x900 [ 266.363620] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 266.369443] ? __cpuset_node_allowed+0x19b/0x660 [ 266.374201] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 266.379747] ? oom_evaluate_task+0x302/0x540 [ 266.384164] out_of_memory+0xa84/0x1430 [ 266.388139] ? oom_killer_disable+0x3a0/0x3a0 [ 266.392635] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 266.397562] ? __mutex_add_waiter+0x2a0/0x2a0 [ 266.402059] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 266.407100] ? find_next_bit+0x104/0x130 [ 266.411157] __alloc_pages_slowpath+0x2318/0x2d80 [ 266.416013] ? warn_alloc+0x120/0x120 [ 266.419829] ? __radix_tree_lookup+0x4c0/0x4c0 [ 266.424413] ? find_get_entry+0x2f2/0xc40 [ 266.428577] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 266.433502] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 266.439051] ? should_fail+0x22d/0xd01 [ 266.442946] ? ___might_sleep+0x1ed/0x300 [ 266.447085] ? lock_release+0x970/0x970 [ 266.451060] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 266.456151] ? debug_smp_processor_id+0x1c/0x20 [ 266.460835] ? __might_sleep+0x95/0x190 [ 266.464823] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 266.469666] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 266.474680] ? lock_downgrade+0x900/0x900 [ 266.478826] ? ___might_sleep+0x1ed/0x300 [ 266.482968] ? lock_release+0x970/0x970 [ 266.486947] ? arch_local_save_flags+0x40/0x40 [ 266.491542] ? finish_task_switch+0x1f5/0x900 [ 266.496051] ? __might_sleep+0x95/0x190 [ 266.500021] __alloc_pages_nodemask+0xa80/0xde0 [ 266.504708] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 266.509722] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 266.515519] ? kasan_check_write+0x14/0x20 [ 266.519761] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 266.524429] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.529979] ? __do_page_cache_readahead+0x7ce/0x980 [ 266.535084] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 266.540620] alloc_pages_current+0x10c/0x210 [ 266.545017] ? lock_downgrade+0x900/0x900 [ 266.549160] __page_cache_alloc+0x38f/0x5b0 [ 266.553474] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 266.559274] ? ext4_filemap_fault+0x82/0xad [ 266.563593] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 266.568257] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 266.573804] ? check_preemption_disabled+0x48/0x200 [ 266.578816] filemap_fault+0x1594/0x25f0 [ 266.582877] ? __lock_page_or_retry+0xa00/0xa00 [ 266.587546] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 266.593338] ? unwind_dump+0x190/0x190 [ 266.597229] ? is_bpf_text_address+0xd3/0x170 [ 266.601729] ? filemap_map_pages+0xdea/0x1980 [ 266.606233] ? find_get_pages_range_tag+0x1320/0x1320 [ 266.611414] ? save_stack+0xa9/0xd0 [ 266.615065] ? save_stack+0x43/0xd0 [ 266.618680] ? __kasan_slab_free+0x102/0x150 [ 266.623084] ? __sigqueue_free.part.27+0x7d/0xa0 [ 266.627830] ? __dequeue_signal+0x530/0x7d0 [ 266.632162] ? dequeue_signal+0x26c/0x630 [ 266.636301] ? get_signal+0x3ec/0x1980 [ 266.640210] ? do_signal+0x9c/0x21e0 [ 266.643932] ? exit_to_usermode_loop+0x2e5/0x380 [ 266.648688] ? mark_held_locks+0x130/0x130 [ 266.652922] ? trace_hardirqs_on+0x310/0x310 [ 266.657327] ? lock_acquire+0x1ed/0x520 [ 266.661297] ? ext4_filemap_fault+0x7a/0xad [ 266.665633] ? lock_release+0x970/0x970 [ 266.669604] ? arch_local_save_flags+0x40/0x40 [ 266.674184] ? mark_held_locks+0x130/0x130 [ 266.678413] ? trace_hardirqs_off+0xb8/0x310 [ 266.682823] ? down_read+0xb0/0x1d0 [ 266.686460] ? ext4_filemap_fault+0x7a/0xad [ 266.690783] ? __down_interruptible+0x700/0x700 [ 266.695444] ? kmem_cache_free+0x21a/0x290 [ 266.699686] ? __sigqueue_free.part.27+0x7d/0xa0 [ 266.704437] ? __dequeue_signal+0xf9/0x7d0 [ 266.708683] ext4_filemap_fault+0x82/0xad [ 266.712857] __do_fault+0x100/0x6b0 [ 266.716480] ? print_bad_pte+0x6c0/0x6c0 [ 266.720539] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 266.726071] ? pmd_val+0x88/0x100 [ 266.729521] ? add_mm_counter_fast+0xd0/0xd0 [ 266.733919] ? pmd_val+0x88/0x100 [ 266.737369] ? add_mm_counter_fast+0xd0/0xd0 [ 266.741798] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 266.747376] __handle_mm_fault+0x3709/0x53e0 [ 266.751816] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 266.756684] ? kasan_check_write+0x14/0x20 [ 266.760915] ? do_raw_spin_lock+0xc1/0x200 [ 266.765147] ? _raw_spin_unlock_irq+0x60/0x80 [ 266.769639] ? __set_current_blocked+0xe4/0x120 [ 266.774306] ? lock_acquire+0x1ed/0x520 [ 266.778281] ? handle_mm_fault+0x42a/0xc70 [ 266.782512] ? lock_downgrade+0x900/0x900 [ 266.786660] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 266.792483] ? __do_page_fault+0x67d/0xed0 [ 266.796716] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 266.802175] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 266.807706] ? check_preemption_disabled+0x48/0x200 [ 266.812720] handle_mm_fault+0x54f/0xc70 [ 266.816791] ? __handle_mm_fault+0x53e0/0x53e0 [ 266.821372] ? find_vma+0x34/0x190 [ 266.824909] __do_page_fault+0x67d/0xed0 [ 266.828999] ? mm_fault_error+0x380/0x380 [ 266.833148] ? syscall_slow_exit_work+0x520/0x520 [ 266.837991] do_page_fault+0xf2/0x7e0 [ 266.841787] ? vmalloc_sync_all+0x30/0x30 [ 266.845948] ? error_entry+0x70/0xd0 [ 266.849656] ? trace_hardirqs_off_caller+0xbb/0x310 [ 266.854665] ? trace_hardirqs_on_caller+0xc0/0x310 [ 266.859588] ? syscall_return_slowpath+0x5e0/0x5e0 [ 266.864511] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 266.869347] ? trace_hardirqs_on_caller+0x310/0x310 [ 266.874370] ? trace_hardirqs_off+0x310/0x310 [ 266.878876] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 266.883894] ? prepare_exit_to_usermode+0x291/0x3b0 [ 266.888908] ? page_fault+0x8/0x30 [ 266.892448] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 266.897290] ? page_fault+0x8/0x30 [ 266.900827] page_fault+0x1e/0x30 [ 266.904273] RIP: 0033:0x45db60 [ 266.907479] Code: Bad RIP value. [ 266.910836] RSP: 002b:000000c420049ab8 EFLAGS: 00010286 [ 266.916195] RAX: 0000000000000000 RBX: 000000c420026380 RCX: 000000000045ddf3 [ 266.923455] RDX: 000000c420049ac0 RSI: 000000c420049bf0 RDI: 0000000000000011 [ 266.930719] RBP: 000000c420022f08 R08: 0000000000000000 R09: 0000000000000000 [ 266.937983] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42005c168 [ 266.945243] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000 [ 266.952624] CPU: 0 PID: 7800 Comm: syz-executor2 Not tainted 4.19.0-rc6+ #119 [ 266.952670] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 266.959892] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 266.959895] Call Trace: [ 266.959901] [ 266.959915] dump_stack+0x1c4/0x2b4 [ 266.959930] ? dump_stack_print_info.cold.2+0x52/0x52 [ 266.966440] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 266.975748] warn_alloc.cold.119+0xb7/0x1bd [ 266.978313] syz-fuzzer cpuset= [ 266.980460] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 266.984062] / [ 266.989255] ? lock_downgrade+0x900/0x900 [ 266.999457] mems_allowed=0 [ 267.003775] ? trace_hardirqs_off+0xb8/0x310 [ 267.024955] ? trace_hardirqs_off+0xb8/0x310 [ 267.029364] __alloc_pages_slowpath+0x2667/0x2d80 [ 267.034222] ? warn_alloc+0x120/0x120 [ 267.038057] ? trace_hardirqs_on+0x310/0x310 [ 267.042476] ? warn_alloc+0x120/0x120 [ 267.046275] ? warn_alloc+0x120/0x120 [ 267.050073] ? ktime_get+0x2e1/0x440 [ 267.053793] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.059328] ? check_preemption_disabled+0x48/0x200 [ 267.064338] ? kasan_check_read+0x11/0x20 [ 267.068493] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 267.074021] ? should_fail+0x22d/0xd01 [ 267.078008] ? rcu_bh_qs+0xc0/0xc0 [ 267.081540] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 267.086640] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 267.092174] ? should_fail+0x22d/0xd01 [ 267.096059] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 267.101183] ? should_fail+0x22d/0xd01 [ 267.105065] ? rcu_idle_enter+0x4b0/0x4b0 [ 267.109208] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 267.114306] ? mark_held_locks+0x130/0x130 [ 267.118533] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.124096] ? mark_held_locks+0x130/0x130 [ 267.128322] ? rcu_irq_exit+0xce/0x100 [ 267.132236] ? irq_exit+0xbd/0x1c0 [ 267.135804] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 267.140815] ? do_raw_spin_unlock+0xa7/0x2f0 [ 267.145218] ? smp_call_function_single_interrupt+0x650/0x650 [ 267.151106] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.156636] ? ret_from_intr+0xb/0x1e [ 267.160426] ? retint_kernel+0x2d/0x2d [ 267.164307] ? trace_hardirqs_on_caller+0xc0/0x310 [ 267.169231] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 267.173984] ? trace_hardirqs_off+0x310/0x310 [ 267.178475] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 267.183584] __alloc_pages_nodemask+0xa80/0xde0 [ 267.188279] ? should_fail+0x22d/0xd01 [ 267.192168] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 267.197203] ? ____cache_alloc_node+0x1c7/0x1e0 [ 267.201885] ? lock_downgrade+0x900/0x900 [ 267.206058] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.211605] cache_grow_begin+0x91/0x8c0 [ 267.215690] ? do_raw_spin_unlock+0xa7/0x2f0 [ 267.220108] fallback_alloc+0x203/0x2e0 [ 267.224110] ____cache_alloc_node+0x1c7/0x1e0 [ 267.228621] kmem_cache_alloc_node+0xe3/0x730 [ 267.233110] ? ipv6_get_ifaddr+0x42e/0x620 [ 267.237340] __alloc_skb+0x119/0x770 [ 267.241063] ? skb_scrub_packet+0x490/0x490 [ 267.245392] ? lock_downgrade+0x900/0x900 [ 267.249538] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.255077] ? refcount_sub_and_test_checked+0x203/0x310 [ 267.260533] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 267.265991] ? addrconf_rs_timer+0x690/0x690 [ 267.270399] ndisc_alloc_skb+0x144/0x340 [ 267.274463] ndisc_send_rs+0x331/0x6e0 [ 267.278348] addrconf_rs_timer+0x314/0x690 [ 267.282596] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.286835] call_timer_fn+0x272/0x920 [ 267.290730] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.294967] ? process_timeout+0x40/0x40 [ 267.299017] ? trace_hardirqs_off+0xb8/0x310 [ 267.303418] ? kasan_check_read+0x11/0x20 [ 267.307562] ? do_raw_spin_unlock+0xa7/0x2f0 [ 267.311964] ? trace_hardirqs_on+0x310/0x310 [ 267.316376] ? __run_timers+0x7da/0xc70 [ 267.320342] ? lock_downgrade+0x900/0x900 [ 267.324485] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 267.329591] ? trace_hardirqs_on+0xbd/0x310 [ 267.333913] ? kasan_check_read+0x11/0x20 [ 267.338067] ? __run_timers+0x7da/0xc70 [ 267.342044] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 267.347506] ? kasan_check_write+0x14/0x20 [ 267.351741] ? do_raw_spin_lock+0xc1/0x200 [ 267.355983] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.360209] __run_timers+0x7e5/0xc70 [ 267.364015] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 267.369379] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 267.374389] ? timerqueue_add+0x207/0x2b0 [ 267.378534] ? enqueue_hrtimer+0x1a5/0x560 [ 267.382773] ? lock_release+0x970/0x970 [ 267.386748] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 267.391947] ? kasan_check_write+0x14/0x20 [ 267.396182] ? pvclock_read_flags+0x160/0x160 [ 267.400675] ? lock_downgrade+0x900/0x900 [ 267.404857] ? trace_hardirqs_on+0xbd/0x310 [ 267.409175] ? kvm_sched_clock_read+0x9/0x20 [ 267.413576] ? irq_exit+0x17f/0x1c0 [ 267.417198] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.422757] ? check_preemption_disabled+0x48/0x200 [ 267.427783] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.433321] run_timer_softirq+0x52/0xb0 [ 267.437379] ? __this_cpu_preempt_check+0x1c/0x1f [ 267.442218] __do_softirq+0x30b/0xad8 [ 267.446033] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 267.451187] ? pvclock_read_flags+0x160/0x160 [ 267.455706] ? lapic_next_event+0x5a/0x90 [ 267.459890] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.465436] ? clockevents_program_event+0x140/0x370 [ 267.470539] ? kvm_clock_read+0x18/0x30 [ 267.474509] ? kvm_sched_clock_read+0x9/0x20 [ 267.478910] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.484439] ? check_preemption_disabled+0x48/0x200 [ 267.489456] irq_exit+0x17f/0x1c0 [ 267.492903] smp_apic_timer_interrupt+0x1cb/0x760 [ 267.497738] ? smp_reschedule_interrupt+0x109/0x650 [ 267.502762] ? smp_call_function_single_interrupt+0x650/0x650 [ 267.508646] ? interrupt_entry+0xb5/0xf0 [ 267.512727] ? trace_hardirqs_off_caller+0xbb/0x310 [ 267.517745] ? trace_hardirqs_off_caller+0xbb/0x310 [ 267.522783] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 267.527643] ? trace_hardirqs_on_caller+0x310/0x310 [ 267.532658] ? trace_hardirqs_on_caller+0x310/0x310 [ 267.537666] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.543199] ? check_preemption_disabled+0x48/0x200 [ 267.548211] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 267.553050] apic_timer_interrupt+0xf/0x20 [ 267.557272] [ 267.559506] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 267.565388] Code: 3f 7e 0f 85 32 ff ff ff e8 53 4a 3e ff e9 28 ff ff ff e8 ba ad c2 ff 48 83 3d 0a bf 6f 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 62 23 [ 267.584282] RSP: 0018:ffff88019a29f4a8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 267.591990] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000627e000 [ 267.599268] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 267.606536] RBP: ffff88019a29f520 R08: ffff8801ba14e480 R09: fffffbfff12720c0 [ 267.613800] R10: ffff88019a29e0f0 R11: ffffffff89390603 R12: ffff8801da800ac0 [ 267.621063] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286 [ 267.628335] ? trace_hardirqs_on+0xb4/0x310 [ 267.632657] ? save_stack+0xa9/0xd0 [ 267.636287] __kmalloc_node_track_caller+0x33/0x70 [ 267.641212] __kmalloc_reserve.isra.39+0xcc/0xe0 [ 267.645964] pskb_expand_head+0x230/0x10f0 [ 267.650189] ? lock_downgrade+0x900/0x900 [ 267.654323] ? check_preemption_disabled+0x48/0x200 [ 267.659329] ? memcpy+0x45/0x50 [ 267.662602] ? __copy_skb_header+0x350/0x6b0 [ 267.667039] ? __pskb_copy_fclone+0xeb0/0xeb0 [ 267.671527] ? skb_checksum+0x140/0x140 [ 267.675540] ? trace_hardirqs_on+0xbd/0x310 [ 267.679854] ? skb_clone+0x1bb/0x500 [ 267.683569] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 267.689045] ? kasan_unpoison_shadow+0x35/0x50 [ 267.693622] ? kasan_check_write+0x14/0x20 [ 267.697852] ? __skb_clone+0x6c7/0xa00 [ 267.701731] ? __copy_skb_header+0x6b0/0x6b0 [ 267.706144] ? kmem_cache_alloc+0x306/0x730 [ 267.710483] skb_ensure_writable+0x3dd/0x640 [ 267.714889] ? skb_cow_data+0xf10/0xf10 [ 267.718860] ? check_preemption_disabled+0x48/0x200 [ 267.723872] ? __this_cpu_preempt_check+0x1c/0x1f [ 267.728709] ? __bpf_redirect+0x54b/0xb20 [ 267.732852] ? __switch_to_asm+0x34/0x70 [ 267.736914] bpf_clone_redirect+0x14a/0x490 [ 267.741236] bpf_prog_3d1649e183dc2cc1+0xca3/0x1000 [ 267.746254] ? __sched_text_start+0x8/0x8 [ 267.750402] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 267.755158] ? retint_kernel+0x2d/0x2d [ 267.759041] ? trace_hardirqs_on_caller+0xc0/0x310 [ 267.763971] ? retint_kernel+0x2d/0x2d [ 267.767856] ? trace_hardirqs_on_caller+0xc0/0x310 [ 267.772814] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 267.777563] ? trace_hardirqs_off+0x310/0x310 [ 267.782059] ? retint_kernel+0x1b/0x2d [ 267.785953] ? lock_acquire+0x1ed/0x520 [ 267.789923] ? bpf_test_run+0x3cb/0x780 [ 267.793894] ? lock_downgrade+0x900/0x900 [ 267.798033] ? lock_release+0x970/0x970 [ 267.802025] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 267.807837] ? preempt_schedule_common+0x1f/0xd0 [ 267.812589] ? preempt_schedule+0x4d/0x60 [ 267.816737] ? ___preempt_schedule+0x16/0x18 [ 267.821160] ? bpf_test_run+0x25d/0x780 [ 267.825138] ? netlink_diag_dump+0x2a0/0x2a0 [ 267.829556] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 267.835117] ? bpf_test_init.isra.9+0x70/0x100 [ 267.839722] ? bpf_prog_test_run_skb+0x634/0xb40 [ 267.844482] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 267.849320] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 267.854882] ? fput+0x130/0x1a0 [ 267.858176] ? __bpf_prog_get+0x9b/0x290 [ 267.862234] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 267.867076] ? bpf_prog_test_run+0x130/0x1a0 [ 267.871480] ? __x64_sys_bpf+0x3d8/0x510 [ 267.875540] ? bpf_prog_get+0x20/0x20 [ 267.879344] ? __x64_sys_futex+0x4bc/0x6a0 [ 267.883581] ? do_syscall_64+0x1b9/0x820 [ 267.887638] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 267.893000] ? syscall_return_slowpath+0x5e0/0x5e0 [ 267.897926] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 267.902805] ? trace_hardirqs_on_caller+0x310/0x310 [ 267.907818] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 267.912833] ? prepare_exit_to_usermode+0x291/0x3b0 [ 267.917851] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 267.922700] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 267.928064] warn_alloc_show_mem: 1 callbacks suppressed [ 267.928075] CPU: 1 PID: 5806 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #119 [ 267.928077] Mem-Info: [ 267.928119] active_anon:46475 inactive_anon:4207 isolated_anon:0 [ 267.928119] active_file:17 inactive_file:13 isolated_file:0 [ 267.928119] unevictable:0 dirty:0 writeback:0 unstable:0 [ 267.928119] slab_reclaimable:8782 slab_unreclaimable:1485678 [ 267.928119] mapped:8194 shmem:4214 pagetables:396 bounce:0 [ 267.928119] free:13756 free_pcp:276 free_cma:0 [ 267.933456] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 267.940499] Node 0 active_anon:185900kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32776kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 267.942895] Call Trace: [ 267.975845] Node 0 [ 267.985183] [ 268.012947] 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 [ 268.015517] dump_stack+0x1c4/0x2b4 [ 268.017725] lowmem_reserve[]: [ 268.019875] ? dump_stack_print_info.cold.2+0x52/0x52 [ 268.045342] 0 2819 [ 268.049384] warn_alloc.cold.119+0xb7/0x1bd [ 268.052458] 6323 [ 268.057641] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 268.059853] 6323 [ 268.064169] ? lock_downgrade+0x900/0x900 [ 268.071033] ? trace_hardirqs_off+0xb8/0x310 [ 268.073070] Node 0 [ 268.077222] ? trace_hardirqs_off+0xb8/0x310 [ 268.081643] DMA32 free:25168kB min:30060kB low:37572kB high:45084kB active_anon:10240kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 268.083847] __alloc_pages_slowpath+0x2667/0x2d80 [ 268.088224] lowmem_reserve[]: [ 268.115476] ? warn_alloc+0x120/0x120 [ 268.120278] 0 [ 268.123372] ? warn_alloc+0x120/0x120 [ 268.127146] 0 [ 268.128954] ? warn_alloc+0x120/0x120 [ 268.132727] 3503 [ 268.134535] ? mark_held_locks+0x130/0x130 [ 268.138319] 3503 [ 268.140375] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.146629] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 268.152138] Node 0 [ 268.157693] ? should_fail+0x22d/0xd01 [ 268.157739] Normal free:13948kB min:37352kB low:46688kB high:56024kB active_anon:175660kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5056kB pagetables:1584kB bounce:0kB free_pcp:856kB local_pcp:320kB free_cma:0kB [ 268.157746] lowmem_reserve[]: [ 268.159986] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 268.163847] 0 [ 268.192304] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 268.195383] 0 [ 268.200474] ? should_fail+0x22d/0xd01 [ 268.202249] 0 [ 268.207793] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 268.209573] 0 [ 268.213451] ? should_fail+0x22d/0xd01 [ 268.220318] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 268.222105] Node 0 [ 268.225978] ? mark_held_locks+0x130/0x130 [ 268.231065] DMA: [ 268.233308] ? mark_held_locks+0x130/0x130 [ 268.237512] 1*4kB [ 268.239565] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.243775] (U) [ 268.245911] ? trace_hardirqs_off+0xb8/0x310 [ 268.251420] 0*8kB [ 268.253388] ? kasan_check_read+0x11/0x20 [ 268.257786] 0*16kB [ 268.259930] ? do_raw_spin_unlock+0xa7/0x2f0 [ 268.264047] 1*32kB [ 268.266320] ? trace_hardirqs_on+0x310/0x310 [ 268.270698] (U) [ 268.272927] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.277304] 2*64kB [ 268.279278] ? wq_watchdog_touch+0x9c/0xfe [ 268.284788] (U) [ 268.287019] ? io_serial_in+0x11/0x90 [ 268.291222] 1*128kB [ 268.293193] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.296965] (U) [ 268.299287] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 268.304798] 1*256kB [ 268.306775] __alloc_pages_nodemask+0xa80/0xde0 [ 268.311848] (U) [ 268.314162] ? should_fail+0x22d/0xd01 [ 268.318825] 0*512kB [ 268.320797] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 268.324656] 1*1024kB [ 268.326980] ? ____cache_alloc_node+0x1c7/0x1e0 [ 268.331950] (U) 1*2048kB [ 268.334373] ? lock_downgrade+0x900/0x900 [ 268.339013] (M) [ 268.341769] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.345906] 3*4096kB [ 268.347891] cache_grow_begin+0x91/0x8c0 [ 268.353394] (M) [ 268.355808] ? do_raw_spin_unlock+0xa7/0x2f0 [ 268.359841] = 15908kB [ 268.361807] fallback_alloc+0x203/0x2e0 [ 268.366221] Node 0 [ 268.368648] ____cache_alloc_node+0x1c7/0x1e0 [ 268.372594] DMA32: [ 268.374831] kmem_cache_alloc_node+0xe3/0x730 [ 268.379295] 2*4kB [ 268.381521] ? ipv6_get_ifaddr+0x42e/0x620 [ 268.386003] (M) [ 268.388143] __alloc_skb+0x119/0x770 [ 268.392349] 1*8kB [ 268.394312] ? skb_scrub_packet+0x490/0x490 [ 268.398010] (M) [ 268.400148] ? lock_downgrade+0x900/0x900 [ 268.404442] 2*16kB [ 268.406452] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.410567] (M) [ 268.412798] ? refcount_sub_and_test_checked+0x203/0x310 [ 268.418322] 3*32kB [ 268.420292] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 268.425711] (MH) [ 268.427946] ? addrconf_rs_timer+0x690/0x690 [ 268.433370] 5*64kB [ 268.435423] ndisc_alloc_skb+0x144/0x340 [ 268.439799] (MH) [ 268.442027] ndisc_send_rs+0x331/0x6e0 [ 268.446065] 3*128kB [ 268.448121] addrconf_rs_timer+0x314/0x690 [ 268.451997] (M) [ 268.454307] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.458512] 5*256kB [ 268.460480] call_timer_fn+0x272/0x920 [ 268.464688] (UMH) [ 268.467001] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.470862] 5*512kB [ 268.473004] ? process_timeout+0x40/0x40 [ 268.477213] (UMH) [ 268.479525] ? trace_hardirqs_off+0xb8/0x310 [ 268.483556] 4*1024kB [ 268.485696] ? kasan_check_read+0x11/0x20 [ 268.490074] (UMH) [ 268.492478] ? do_raw_spin_unlock+0xa7/0x2f0 [ 268.496595] 2*2048kB [ 268.498735] ? trace_hardirqs_on+0x310/0x310 [ 268.503112] (M) [ 268.505509] ? __run_timers+0x7da/0xc70 [ 268.509886] 3*4096kB [ 268.511848] ? lock_downgrade+0x900/0x900 [ 268.515790] (M) [ 268.518212] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 268.522328] = 25168kB [ 268.524296] ? trace_hardirqs_on+0xbd/0x310 [ 268.529368] Node 0 [ 268.531789] ? kasan_check_read+0x11/0x20 [ 268.531806] ? __run_timers+0x7da/0xc70 [ 268.536113] Normal: [ 268.538341] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 268.542458] 1081*4kB [ 268.546423] ? kasan_check_write+0x14/0x20 [ 268.548718] (UMEH) [ 268.554161] ? do_raw_spin_lock+0xc1/0x200 [ 268.556542] 387*8kB [ 268.560766] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 268.562979] (ME) [ 268.567215] __run_timers+0x7e5/0xc70 [ 268.569510] 152*16kB [ 268.573733] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 268.575769] (UME) [ 268.579563] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 268.581950] 54*32kB [ 268.587319] ? timerqueue_add+0x207/0x2b0 [ 268.589444] (UME) [ 268.594447] ? enqueue_hrtimer+0x1a5/0x560 [ 268.596748] 21*64kB [ 268.600890] ? lock_release+0x970/0x970 [ 268.603014] (UM) [ 268.607249] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 268.609558] 0*128kB [ 268.613516] ? check_preemption_disabled+0x48/0x200 [ 268.615548] 0*256kB [ 268.620720] ? kasan_check_write+0x14/0x20 [ 268.623014] 2*512kB [ 268.628016] ? pvclock_read_flags+0x160/0x160 [ 268.630315] (U) [ 268.634538] ? lock_downgrade+0x900/0x900 [ 268.636837] 0*1024kB [ 268.641322] ? trace_hardirqs_on+0xbd/0x310 [ 268.643275] 0*2048kB [ 268.647410] ? kvm_sched_clock_read+0x9/0x20 [ 268.649824] 0*4096kB [ 268.654167] ? irq_exit+0x17f/0x1c0 [ 268.656548] = 13948kB [ 268.660949] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.663335] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 268.666944] ? check_preemption_disabled+0x48/0x200 [ 268.669335] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 268.674859] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.683664] 4244 total pagecache pages [ 268.688670] run_timer_softirq+0x52/0xb0 [ 268.697216] 0 pages in swap cache [ 268.702763] ? __this_cpu_preempt_check+0x1c/0x1f [ 268.706629] Swap cache stats: add 0, delete 0, find 0/0 [ 268.710673] __do_softirq+0x30b/0xad8 [ 268.714102] Free swap = 0kB [ 268.718931] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 268.724272] Total swap = 0kB [ 268.728063] ? pvclock_read_flags+0x160/0x160 [ 268.731057] 1965979 pages RAM [ 268.736144] ? lapic_next_event+0x5a/0x90 [ 268.739135] 0 pages HighMem/MovableOnly [ 268.743635] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.746712] 342307 pages reserved [ 268.750851] ? clockevents_program_event+0x140/0x370 [ 268.754799] 0 pages cma reserved [ 268.760322] ? kvm_clock_read+0x18/0x30 [ 268.763807] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 268.768839] ? kvm_sched_clock_read+0x9/0x20 [ 268.768852] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.768866] ? check_preemption_disabled+0x48/0x200 [ 268.772268] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 268.776198] irq_exit+0x17f/0x1c0 [ 268.782659] syz-executor2 cpuset= [ 268.787055] smp_apic_timer_interrupt+0x1cb/0x760 [ 268.792575] syz2 [ 268.797595] ? smp_reschedule_interrupt+0x109/0x650 [ 268.808055] mems_allowed=0 [ 268.811510] ? smp_call_function_single_interrupt+0x650/0x650 [ 268.835487] ? interrupt_entry+0xb5/0xf0 [ 268.839541] ? trace_hardirqs_off_caller+0xbb/0x310 [ 268.844549] ? trace_hardirqs_off_caller+0xbb/0x310 [ 268.849564] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 268.854399] ? trace_hardirqs_on_caller+0x310/0x310 [ 268.859410] ? trace_hardirqs_on_caller+0x310/0x310 [ 268.864423] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 268.869957] ? check_preemption_disabled+0x48/0x200 [ 268.874972] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 268.880508] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 268.885352] apic_timer_interrupt+0xf/0x20 [ 268.889573] [ 268.891818] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 268.897005] Code: 00 e8 97 f5 a3 f9 e8 d2 63 d3 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d 24 75 80 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d fa 74 [ 268.915898] RSP: 0000:ffff8801bbdd6150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 268.923598] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 268.930859] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe740 [ 268.938139] RBP: ffff8801bbdd6178 R08: ffff8801d838c080 R09: ffffed003b5e5979 [ 268.945404] R10: ffffed003b5e5979 R11: ffff8801daf2cbcb R12: dffffc0000000000 [ 268.952655] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 268.959924] ? trace_hardirqs_on+0x9a/0x310 [ 268.964247] ? trace_hardirqs_on+0xb4/0x310 [ 268.968580] retint_kernel+0x1b/0x2d [ 268.972337] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 268.977604] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 21 17 fa 48 83 3d 99 9c 86 01 00 75 07 e8 9a 7f d3 f9 0f 0b e8 93 7f d3 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 21 17 fa 4c 8b 45 d0 e9 [ 268.996496] RSP: 0000:ffff8801bbdd6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 269.004197] RAX: ffff8801d838c080 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 269.011459] RDX: 0000000000000000 RSI: ffffffff87ab55fd RDI: 0000000000000293 [ 269.018724] RBP: ffff8801bbdd6240 R08: ffff8801d838c080 R09: fffffbfff13d9700 [ 269.025999] R10: fffffbfff13d9700 R11: 0000000000000003 R12: 0000000000000293 [ 269.033260] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff8931f280 [ 269.040536] ? trace_hardirqs_on+0x9a/0x310 [ 269.044860] ? arch_local_irq_restore+0x45/0x52 [ 269.049526] dump_stack+0x26a/0x2b4 [ 269.053194] ? dump_stack_print_info.cold.2+0x52/0x52 [ 269.058379] ? mark_held_locks+0x130/0x130 [ 269.062611] ? mark_held_locks+0x130/0x130 [ 269.066845] dump_header+0x27b/0xf72 [ 269.070557] ? rcu_read_unlock+0x16/0x60 [ 269.074634] ? pagefault_out_of_memory+0x197/0x197 [ 269.080019] ? mark_held_locks+0x130/0x130 [ 269.084250] ? percpu_ref_put_many+0x13e/0x260 [ 269.088831] ? mem_cgroup_charge_statistics+0x780/0x780 [ 269.094194] ? mem_cgroup_iter+0x1f7/0x1160 [ 269.098527] ? mark_held_locks+0x130/0x130 [ 269.102765] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.108301] ? task_will_free_mem+0x239/0xb30 [ 269.112809] ? ___ratelimit+0x36f/0x655 [ 269.116788] ? lock_downgrade+0x900/0x900 [ 269.120936] ? trace_hardirqs_on+0xbd/0x310 [ 269.125247] ? kasan_check_read+0x11/0x20 [ 269.129412] ? ___ratelimit+0x36f/0x655 [ 269.133384] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 269.138829] ? trace_hardirqs_on+0x310/0x310 [ 269.143239] ? lock_downgrade+0x900/0x900 [ 269.147421] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 269.152520] ? ___ratelimit+0xaa/0x655 [ 269.156408] ? idr_get_free+0xec0/0xec0 [ 269.160392] ? kasan_check_write+0x14/0x20 [ 269.164620] ? do_raw_spin_lock+0xc1/0x200 [ 269.168855] oom_kill_process.cold.27+0x10/0x903 [ 269.173605] ? lock_downgrade+0x900/0x900 [ 269.177762] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 269.183562] ? oom_evaluate_task+0x540/0x540 [ 269.187967] ? shrink_node+0x16b0/0x16b0 [ 269.192021] ? oom_unkillable_task+0x383/0x580 [ 269.196598] ? out_of_memory+0x974/0x1430 [ 269.200740] ? lock_downgrade+0x900/0x900 [ 269.204891] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 269.210685] ? __cpuset_node_allowed+0x19b/0x660 [ 269.215439] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 269.220965] ? oom_evaluate_task+0x302/0x540 [ 269.225367] out_of_memory+0xa84/0x1430 [ 269.229342] ? oom_killer_disable+0x3a0/0x3a0 [ 269.233831] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 269.238765] ? __mutex_add_waiter+0x2a0/0x2a0 [ 269.243273] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 269.248297] ? find_next_bit+0x104/0x130 [ 269.252355] __alloc_pages_slowpath+0x2318/0x2d80 [ 269.257209] ? warn_alloc+0x120/0x120 [ 269.261005] ? __radix_tree_lookup+0x4c0/0x4c0 [ 269.265600] ? find_get_entry+0x2f2/0xc40 [ 269.269752] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 269.274686] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 269.280222] ? should_fail+0x22d/0xd01 [ 269.284108] ? ___might_sleep+0x1ed/0x300 [ 269.288249] ? lock_release+0x970/0x970 [ 269.292237] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 269.297334] ? debug_smp_processor_id+0x1c/0x20 [ 269.302004] ? __might_sleep+0x95/0x190 [ 269.305976] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 269.310820] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 269.315835] ? lock_downgrade+0x900/0x900 [ 269.319978] ? ___might_sleep+0x1ed/0x300 [ 269.324136] ? lock_release+0x970/0x970 [ 269.328144] ? arch_local_save_flags+0x40/0x40 [ 269.332725] ? finish_task_switch+0x1f5/0x900 [ 269.337228] ? __might_sleep+0x95/0x190 [ 269.341204] __alloc_pages_nodemask+0xa80/0xde0 [ 269.345874] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 269.350892] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 269.356681] ? kasan_check_write+0x14/0x20 [ 269.360954] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 269.365666] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.371196] ? __do_page_cache_readahead+0x7ce/0x980 [ 269.376305] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 269.381843] alloc_pages_current+0x10c/0x210 [ 269.386248] ? lock_downgrade+0x900/0x900 [ 269.390395] __page_cache_alloc+0x38f/0x5b0 [ 269.394712] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 269.400509] ? ext4_filemap_fault+0x82/0xad [ 269.404845] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 269.409506] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 269.415036] ? check_preemption_disabled+0x48/0x200 [ 269.420063] filemap_fault+0x1594/0x25f0 [ 269.424129] ? __lock_page_or_retry+0xa00/0xa00 [ 269.428798] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 269.434593] ? unwind_dump+0x190/0x190 [ 269.438479] ? is_bpf_text_address+0xd3/0x170 [ 269.442988] ? filemap_map_pages+0xdea/0x1980 [ 269.447488] ? find_get_pages_range_tag+0x1320/0x1320 [ 269.452705] ? save_stack+0xa9/0xd0 [ 269.456321] ? save_stack+0x43/0xd0 [ 269.459942] ? __kasan_slab_free+0x102/0x150 [ 269.464376] ? __sigqueue_free.part.27+0x7d/0xa0 [ 269.469129] ? __dequeue_signal+0x530/0x7d0 [ 269.473448] ? dequeue_signal+0x26c/0x630 [ 269.477591] ? get_signal+0x3ec/0x1980 [ 269.481473] ? do_signal+0x9c/0x21e0 [ 269.485181] ? exit_to_usermode_loop+0x2e5/0x380 [ 269.489939] ? mark_held_locks+0x130/0x130 [ 269.494201] ? trace_hardirqs_on+0x310/0x310 [ 269.498606] ? lock_acquire+0x1ed/0x520 [ 269.502569] ? ext4_filemap_fault+0x7a/0xad [ 269.506885] ? lock_release+0x970/0x970 [ 269.510870] ? arch_local_save_flags+0x40/0x40 [ 269.515443] ? mark_held_locks+0x130/0x130 [ 269.519668] ? trace_hardirqs_off+0xb8/0x310 [ 269.524073] ? down_read+0xb0/0x1d0 [ 269.527690] ? ext4_filemap_fault+0x7a/0xad [ 269.532026] ? __down_interruptible+0x700/0x700 [ 269.536689] ? kmem_cache_free+0x21a/0x290 [ 269.540935] ? __sigqueue_free.part.27+0x7d/0xa0 [ 269.545688] ? __dequeue_signal+0xf9/0x7d0 [ 269.549921] ext4_filemap_fault+0x82/0xad [ 269.554066] __do_fault+0x100/0x6b0 [ 269.557686] ? print_bad_pte+0x6c0/0x6c0 [ 269.561746] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 269.567292] ? pmd_val+0x88/0x100 [ 269.570742] ? add_mm_counter_fast+0xd0/0xd0 [ 269.575148] ? pmd_val+0x88/0x100 [ 269.578595] ? add_mm_counter_fast+0xd0/0xd0 [ 269.582997] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 269.588547] __handle_mm_fault+0x3709/0x53e0 [ 269.592960] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 269.597805] ? kasan_check_write+0x14/0x20 [ 269.602035] ? do_raw_spin_lock+0xc1/0x200 [ 269.606275] ? _raw_spin_unlock_irq+0x60/0x80 [ 269.610775] ? __set_current_blocked+0xe4/0x120 [ 269.615450] ? lock_acquire+0x1ed/0x520 [ 269.619425] ? handle_mm_fault+0x42a/0xc70 [ 269.623656] ? lock_downgrade+0x900/0x900 [ 269.627802] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 269.633595] ? __do_page_fault+0x67d/0xed0 [ 269.637835] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 269.643282] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 269.648825] ? check_preemption_disabled+0x48/0x200 [ 269.653870] handle_mm_fault+0x54f/0xc70 [ 269.657932] ? __handle_mm_fault+0x53e0/0x53e0 [ 269.662514] ? find_vma+0x34/0x190 [ 269.666065] __do_page_fault+0x67d/0xed0 [ 269.670169] ? mm_fault_error+0x380/0x380 [ 269.674311] ? syscall_slow_exit_work+0x520/0x520 [ 269.679169] do_page_fault+0xf2/0x7e0 [ 269.682981] ? vmalloc_sync_all+0x30/0x30 [ 269.687138] ? error_entry+0x70/0xd0 [ 269.690846] ? trace_hardirqs_off_caller+0xbb/0x310 [ 269.695856] ? trace_hardirqs_on_caller+0xc0/0x310 [ 269.700785] ? syscall_return_slowpath+0x5e0/0x5e0 [ 269.705710] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 269.710546] ? trace_hardirqs_on_caller+0x310/0x310 [ 269.715558] ? trace_hardirqs_off+0x310/0x310 [ 269.720075] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 269.725103] ? prepare_exit_to_usermode+0x291/0x3b0 [ 269.730114] ? page_fault+0x8/0x30 [ 269.733653] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 269.738491] ? page_fault+0x8/0x30 [ 269.742029] page_fault+0x1e/0x30 [ 269.745476] RIP: 0033:0x45db60 [ 269.748666] Code: Bad RIP value. [ 269.752022] RSP: 002b:000000c420049ab8 EFLAGS: 00010286 [ 269.757379] RAX: 0000000000000000 RBX: 000000c420026380 RCX: 000000000045ddf3 [ 269.764635] RDX: 000000c420049ac0 RSI: 000000c420049bf0 RDI: 0000000000000011 [ 269.771897] RBP: 000000c420022f08 R08: 0000000000000000 R09: 0000000000000000 [ 269.779155] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42005c168 [ 269.786420] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000 [ 269.793727] CPU: 0 PID: 7800 Comm: syz-executor2 Not tainted 4.19.0-rc6+ #119 [ 269.793797] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 269.801012] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 269.801016] Call Trace: [ 269.801021] [ 269.801036] dump_stack+0x1c4/0x2b4 [ 269.801052] ? dump_stack_print_info.cold.2+0x52/0x52 [ 269.807587] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 269.816902] warn_alloc.cold.119+0xb7/0x1bd [ 269.819462] syz-fuzzer cpuset= [ 269.821621] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 269.825219] / [ 269.830403] ? lock_downgrade+0x900/0x900 [ 269.840599] mems_allowed=0 [ 269.844907] ? trace_hardirqs_off+0xb8/0x310 [ 269.866049] ? trace_hardirqs_off+0xb8/0x310 [ 269.870455] __alloc_pages_slowpath+0x2667/0x2d80 [ 269.875334] ? warn_alloc+0x120/0x120 [ 269.879149] ? warn_alloc+0x120/0x120 [ 269.882948] ? warn_alloc+0x120/0x120 [ 269.886744] ? mark_held_locks+0x130/0x130 [ 269.890989] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.896523] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 269.902069] ? should_fail+0x22d/0xd01 [ 269.905987] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 269.911085] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 269.916614] ? should_fail+0x22d/0xd01 [ 269.920501] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 269.925597] ? should_fail+0x22d/0xd01 [ 269.929482] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 269.934579] ? mark_held_locks+0x130/0x130 [ 269.938811] ? mark_held_locks+0x130/0x130 [ 269.943042] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.948579] ? trace_hardirqs_off+0xb8/0x310 [ 269.953006] ? kasan_check_read+0x11/0x20 [ 269.957152] ? do_raw_spin_unlock+0xa7/0x2f0 [ 269.961552] ? trace_hardirqs_on+0x310/0x310 [ 269.965952] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.971483] ? wq_watchdog_touch+0x9c/0xfe [ 269.975717] ? io_serial_in+0x11/0x90 [ 269.979512] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.985051] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 269.990172] __alloc_pages_nodemask+0xa80/0xde0 [ 269.994849] ? should_fail+0x22d/0xd01 [ 269.998734] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 270.003852] ? ____cache_alloc_node+0x1c7/0x1e0 [ 270.008512] ? lock_downgrade+0x900/0x900 [ 270.012657] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.018190] cache_grow_begin+0x91/0x8c0 [ 270.022247] ? do_raw_spin_unlock+0xa7/0x2f0 [ 270.026655] fallback_alloc+0x203/0x2e0 [ 270.030629] ____cache_alloc_node+0x1c7/0x1e0 [ 270.035170] kmem_cache_alloc_node+0xe3/0x730 [ 270.039663] ? ipv6_get_ifaddr+0x42e/0x620 [ 270.044028] __alloc_skb+0x119/0x770 [ 270.047743] ? skb_scrub_packet+0x490/0x490 [ 270.052118] ? lock_downgrade+0x900/0x900 [ 270.056265] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.061803] ? refcount_sub_and_test_checked+0x203/0x310 [ 270.067253] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 270.072706] ? addrconf_rs_timer+0x690/0x690 [ 270.077114] ndisc_alloc_skb+0x144/0x340 [ 270.081168] ndisc_send_rs+0x331/0x6e0 [ 270.085051] addrconf_rs_timer+0x314/0x690 [ 270.089278] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.093562] call_timer_fn+0x272/0x920 [ 270.097468] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.101716] ? process_timeout+0x40/0x40 [ 270.105786] ? trace_hardirqs_off+0xb8/0x310 [ 270.110188] ? kasan_check_read+0x11/0x20 [ 270.114331] ? do_raw_spin_unlock+0xa7/0x2f0 [ 270.118739] ? trace_hardirqs_on+0x310/0x310 [ 270.123171] ? __run_timers+0x7da/0xc70 [ 270.127141] ? lock_downgrade+0x900/0x900 [ 270.131303] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 270.136400] ? trace_hardirqs_on+0xbd/0x310 [ 270.140714] ? kasan_check_read+0x11/0x20 [ 270.144854] ? __run_timers+0x7da/0xc70 [ 270.148835] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 270.154279] ? kasan_check_write+0x14/0x20 [ 270.158543] ? do_raw_spin_lock+0xc1/0x200 [ 270.162795] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.167026] __run_timers+0x7e5/0xc70 [ 270.170831] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 270.176194] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 270.181205] ? timerqueue_add+0x207/0x2b0 [ 270.185351] ? enqueue_hrtimer+0x1a5/0x560 [ 270.189583] ? lock_release+0x970/0x970 [ 270.193556] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 270.198748] ? kasan_check_write+0x14/0x20 [ 270.202997] ? pvclock_read_flags+0x160/0x160 [ 270.207487] ? lock_downgrade+0x900/0x900 [ 270.211631] ? trace_hardirqs_on+0xbd/0x310 [ 270.215951] ? kvm_sched_clock_read+0x9/0x20 [ 270.220353] ? irq_exit+0x17f/0x1c0 [ 270.223976] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.229507] ? check_preemption_disabled+0x48/0x200 [ 270.234512] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.240041] run_timer_softirq+0x52/0xb0 [ 270.244089] ? __this_cpu_preempt_check+0x1c/0x1f [ 270.248920] __do_softirq+0x30b/0xad8 [ 270.252728] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 270.257832] ? pvclock_read_flags+0x160/0x160 [ 270.262318] ? lapic_next_event+0x5a/0x90 [ 270.266461] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.272006] ? clockevents_program_event+0x140/0x370 [ 270.277106] ? kvm_clock_read+0x18/0x30 [ 270.281074] ? kvm_sched_clock_read+0x9/0x20 [ 270.285476] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.291036] ? check_preemption_disabled+0x48/0x200 [ 270.296048] irq_exit+0x17f/0x1c0 [ 270.299542] smp_apic_timer_interrupt+0x1cb/0x760 [ 270.304407] ? smp_reschedule_interrupt+0x109/0x650 [ 270.309412] ? smp_call_function_single_interrupt+0x650/0x650 [ 270.315294] ? interrupt_entry+0xb5/0xf0 [ 270.319363] ? trace_hardirqs_off_caller+0xbb/0x310 [ 270.324374] ? trace_hardirqs_off_caller+0xbb/0x310 [ 270.329384] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 270.334222] ? trace_hardirqs_on_caller+0x310/0x310 [ 270.339232] ? trace_hardirqs_on_caller+0x310/0x310 [ 270.344239] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.349774] ? check_preemption_disabled+0x48/0x200 [ 270.354802] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 270.359644] apic_timer_interrupt+0xf/0x20 [ 270.363866] [ 270.366102] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 270.371982] Code: 3f 7e 0f 85 32 ff ff ff e8 53 4a 3e ff e9 28 ff ff ff e8 ba ad c2 ff 48 83 3d 0a bf 6f 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 62 23 [ 270.390876] RSP: 0018:ffff88019a29f4a8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 270.398577] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000627e000 [ 270.405852] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 270.413115] RBP: ffff88019a29f520 R08: ffff8801ba14e480 R09: fffffbfff12720c0 [ 270.420379] R10: ffff88019a29e0f0 R11: ffffffff89390603 R12: ffff8801da800ac0 [ 270.427658] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286 [ 270.434929] ? trace_hardirqs_on+0xb4/0x310 [ 270.439244] ? save_stack+0xa9/0xd0 [ 270.442917] __kmalloc_node_track_caller+0x33/0x70 [ 270.447861] __kmalloc_reserve.isra.39+0xcc/0xe0 [ 270.452645] pskb_expand_head+0x230/0x10f0 [ 270.456905] ? lock_downgrade+0x900/0x900 [ 270.461043] ? check_preemption_disabled+0x48/0x200 [ 270.466070] ? memcpy+0x45/0x50 [ 270.469358] ? __copy_skb_header+0x350/0x6b0 [ 270.473778] ? __pskb_copy_fclone+0xeb0/0xeb0 [ 270.478274] ? skb_checksum+0x140/0x140 [ 270.482246] ? trace_hardirqs_on+0xbd/0x310 [ 270.486576] ? skb_clone+0x1bb/0x500 [ 270.490284] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 270.495728] ? kasan_unpoison_shadow+0x35/0x50 [ 270.500311] ? kasan_check_write+0x14/0x20 [ 270.504571] ? __skb_clone+0x6c7/0xa00 [ 270.508454] ? __copy_skb_header+0x6b0/0x6b0 [ 270.512855] ? kmem_cache_alloc+0x306/0x730 [ 270.517173] skb_ensure_writable+0x3dd/0x640 [ 270.521576] ? skb_cow_data+0xf10/0xf10 [ 270.525541] ? check_preemption_disabled+0x48/0x200 [ 270.530566] ? __this_cpu_preempt_check+0x1c/0x1f [ 270.535406] ? __bpf_redirect+0x54b/0xb20 [ 270.539552] ? __switch_to_asm+0x34/0x70 [ 270.543613] bpf_clone_redirect+0x14a/0x490 [ 270.547965] bpf_prog_3d1649e183dc2cc1+0xca3/0x1000 [ 270.552976] ? __sched_text_start+0x8/0x8 [ 270.557140] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 270.561893] ? retint_kernel+0x2d/0x2d [ 270.565789] ? trace_hardirqs_on_caller+0xc0/0x310 [ 270.570716] ? retint_kernel+0x2d/0x2d [ 270.574601] ? trace_hardirqs_on_caller+0xc0/0x310 [ 270.579526] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 270.584293] ? trace_hardirqs_off+0x310/0x310 [ 270.588793] ? retint_kernel+0x1b/0x2d [ 270.592692] ? lock_acquire+0x1ed/0x520 [ 270.596663] ? bpf_test_run+0x3cb/0x780 [ 270.600665] ? lock_downgrade+0x900/0x900 [ 270.604843] ? lock_release+0x970/0x970 [ 270.608828] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 270.614649] ? preempt_schedule_common+0x1f/0xd0 [ 270.619401] ? preempt_schedule+0x4d/0x60 [ 270.623540] ? ___preempt_schedule+0x16/0x18 [ 270.627948] ? bpf_test_run+0x25d/0x780 [ 270.631942] ? netlink_diag_dump+0x2a0/0x2a0 [ 270.636401] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 270.641950] ? bpf_test_init.isra.9+0x70/0x100 [ 270.646525] ? bpf_prog_test_run_skb+0x634/0xb40 [ 270.651274] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 270.656112] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 270.661724] ? fput+0x130/0x1a0 [ 270.665013] ? __bpf_prog_get+0x9b/0x290 [ 270.669072] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 270.673911] ? bpf_prog_test_run+0x130/0x1a0 [ 270.678316] ? __x64_sys_bpf+0x3d8/0x510 [ 270.682372] ? bpf_prog_get+0x20/0x20 [ 270.686171] ? __x64_sys_futex+0x4bc/0x6a0 [ 270.690407] ? do_syscall_64+0x1b9/0x820 [ 270.694483] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 270.699843] ? syscall_return_slowpath+0x5e0/0x5e0 [ 270.704787] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 270.709630] ? trace_hardirqs_on_caller+0x310/0x310 [ 270.714645] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 270.719660] ? prepare_exit_to_usermode+0x291/0x3b0 [ 270.724675] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 270.729531] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 270.734899] warn_alloc_show_mem: 1 callbacks suppressed [ 270.734910] CPU: 1 PID: 5806 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #119 [ 270.734911] Mem-Info: [ 270.734941] active_anon:46475 inactive_anon:4207 isolated_anon:0 [ 270.734941] active_file:17 inactive_file:13 isolated_file:0 [ 270.734941] unevictable:0 dirty:0 writeback:0 unstable:0 [ 270.734941] slab_reclaimable:8782 slab_unreclaimable:1485678 [ 270.734941] mapped:8194 shmem:4214 pagetables:396 bounce:0 [ 270.734941] free:13756 free_pcp:276 free_cma:0 [ 270.740276] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 270.747295] Node 0 active_anon:185900kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32776kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 270.749687] Call Trace: [ 270.782636] Node 0 [ 270.792010] [ 270.819778] 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 [ 270.822328] dump_stack+0x1c4/0x2b4 [ 270.824537] lowmem_reserve[]: [ 270.826680] ? dump_stack_print_info.cold.2+0x52/0x52 [ 270.852164] 0 [ 270.855788] warn_alloc.cold.119+0xb7/0x1bd [ 270.858866] 2819 [ 270.864073] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 270.865861] 6323 [ 270.870169] ? lock_downgrade+0x900/0x900 [ 270.872204] 6323 [ 270.877033] ? trace_hardirqs_off+0xb8/0x310 [ 270.883217] ? trace_hardirqs_off+0xb8/0x310 [ 270.885260] Node 0 [ 270.889699] __alloc_pages_slowpath+0x2667/0x2d80 [ 270.894119] DMA32 free:25168kB min:30060kB low:37572kB high:45084kB active_anon:10240kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 270.896351] ? warn_alloc+0x120/0x120 [ 270.901150] lowmem_reserve[]: [ 270.928376] ? trace_hardirqs_on+0x310/0x310 [ 270.932151] 0 [ 270.935246] ? warn_alloc+0x120/0x120 [ 270.939626] 0 [ 270.941420] ? warn_alloc+0x120/0x120 [ 270.945189] 3503 [ 270.946983] ? ktime_get+0x2e1/0x440 [ 270.950778] 3503 [ 270.952836] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.958597] ? check_preemption_disabled+0x48/0x200 [ 270.964106] Node 0 Normal free:13948kB min:37352kB low:46688kB high:56024kB active_anon:175660kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5056kB pagetables:1584kB bounce:0kB free_pcp:856kB local_pcp:320kB free_cma:0kB [ 270.969139] ? kasan_check_read+0x11/0x20 [ 270.969156] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 270.998190] lowmem_reserve[]: [ 271.002342] ? should_fail+0x22d/0xd01 [ 271.007848] 0 [ 271.010945] ? rcu_bh_qs+0xc0/0xc0 [ 271.014802] 0 [ 271.016615] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 271.020139] 0 [ 271.021933] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 271.027007] 0 [ 271.028833] ? should_fail+0x22d/0xd01 [ 271.036167] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 271.040059] Node 0 [ 271.045145] ? should_fail+0x22d/0xd01 [ 271.045147] DMA: 1*4kB [ 271.047382] ? rcu_idle_enter+0x4b0/0x4b0 [ 271.051263] (U) [ 271.053856] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 271.057978] 0*8kB [ 271.059941] ? mark_held_locks+0x130/0x130 [ 271.065053] 0*16kB [ 271.067194] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.071404] 1*32kB [ 271.073627] ? mark_held_locks+0x130/0x130 [ 271.079277] (U) 2*64kB [ 271.081521] ? rcu_irq_exit+0xce/0x100 [ 271.085726] (U) [ 271.088300] ? irq_exit+0xbd/0x1c0 [ 271.092156] 1*128kB [ 271.094147] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 271.097655] (U) [ 271.099969] ? do_raw_spin_unlock+0xa7/0x2f0 [ 271.104954] 1*256kB [ 271.106920] ? smp_call_function_single_interrupt+0x650/0x650 [ 271.111300] (U) [ 271.113628] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.119481] 0*512kB [ 271.121464] ? ret_from_intr+0xb/0x1e [ 271.126969] 1*1024kB [ 271.129283] ? retint_kernel+0x2d/0x2d [ 271.133054] (U) [ 271.135467] ? trace_hardirqs_on_caller+0xc0/0x310 [ 271.139324] 1*2048kB [ 271.141298] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 271.146211] (M) [ 271.148612] ? trace_hardirqs_off+0x310/0x310 [ 271.153339] 3*4096kB [ 271.155304] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 271.159780] (M) [ 271.162196] __alloc_pages_nodemask+0xa80/0xde0 [ 271.167266] = 15908kB [ 271.169237] ? should_fail+0x22d/0xd01 [ 271.173882] Node 0 [ 271.176302] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 271.180160] DMA32: [ 271.182397] ? ____cache_alloc_node+0x1c7/0x1e0 [ 271.187377] 2*4kB [ 271.189602] ? lock_downgrade+0x900/0x900 [ 271.194241] (M) [ 271.196383] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.200507] 1*8kB [ 271.202473] cache_grow_begin+0x91/0x8c0 [ 271.207981] (M) [ 271.210127] ? do_raw_spin_unlock+0xa7/0x2f0 [ 271.214156] 2*16kB [ 271.216125] fallback_alloc+0x203/0x2e0 [ 271.220505] (M) [ 271.222731] ____cache_alloc_node+0x1c7/0x1e0 [ 271.226677] 3*32kB [ 271.228642] kmem_cache_alloc_node+0xe3/0x730 [ 271.233136] (MH) [ 271.235363] ? ipv6_get_ifaddr+0x42e/0x620 [ 271.239845] 5*64kB [ 271.241900] __alloc_skb+0x119/0x770 [ 271.246105] (MH) [ 271.248331] ? skb_scrub_packet+0x490/0x490 [ 271.252030] 3*128kB [ 271.254097] ? lock_downgrade+0x900/0x900 [ 271.258404] (M) [ 271.260729] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.264868] 5*256kB [ 271.266837] ? refcount_sub_and_test_checked+0x203/0x310 [ 271.272361] (UMH) [ 271.274690] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 271.280109] 5*512kB [ 271.282249] ? addrconf_rs_timer+0x690/0x690 [ 271.287670] (UMH) [ 271.289987] ndisc_alloc_skb+0x144/0x340 [ 271.294383] 4*1024kB [ 271.296525] ndisc_send_rs+0x331/0x6e0 [ 271.300557] (UMH) [ 271.302958] addrconf_rs_timer+0x314/0x690 [ 271.306821] 2*2048kB [ 271.308958] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 271.313179] (M) [ 271.315580] call_timer_fn+0x272/0x920 [ 271.319786] 3*4096kB [ 271.321753] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 271.325626] (M) [ 271.328028] ? process_timeout+0x40/0x40 [ 271.332234] = 25168kB [ 271.334203] ? trace_hardirqs_off+0xb8/0x310 [ 271.338251] Node 0 [ 271.340657] ? kasan_check_read+0x11/0x20 [ 271.345043] Normal: [ 271.347275] ? do_raw_spin_unlock+0xa7/0x2f0 [ 271.351390] 1081*4kB [ 271.353705] ? trace_hardirqs_on+0x310/0x310 [ 271.358089] (UMEH) [ 271.360505] ? __run_timers+0x7da/0xc70 [ 271.364883] 387*8kB [ 271.367106] ? lock_downgrade+0x900/0x900 [ 271.371049] (ME) [ 271.373367] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 271.377485] 152*16kB [ 271.379541] ? trace_hardirqs_on+0xbd/0x310 [ 271.384616] (UME) [ 271.387015] ? kasan_check_read+0x11/0x20 [ 271.391309] 54*32kB [ 271.393449] ? __run_timers+0x7da/0xc70 [ 271.397570] (UME) [ 271.399919] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 271.403865] 21*64kB [ 271.406000] ? kasan_check_write+0x14/0x20 [ 271.411426] (UM) [ 271.413742] ? do_raw_spin_lock+0xc1/0x200 [ 271.417952] 0*128kB [ 271.420127] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 271.424334] 0*256kB [ 271.426647] __run_timers+0x7e5/0xc70 [ 271.430858] 2*512kB [ 271.433184] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 271.436955] (U) [ 271.439278] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 271.444612] 0*1024kB [ 271.446576] ? timerqueue_add+0x207/0x2b0 [ 271.451565] 0*2048kB [ 271.453981] ? enqueue_hrtimer+0x1a5/0x560 [ 271.458120] 0*4096kB [ 271.460519] ? lock_release+0x970/0x970 [ 271.464724] = 13948kB [ 271.467125] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 271.471096] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 271.473492] ? check_preemption_disabled+0x48/0x200 [ 271.478656] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 271.487473] ? kasan_check_write+0x14/0x20 [ 271.492462] 4244 total pagecache pages [ 271.501025] ? pvclock_read_flags+0x160/0x160 [ 271.505246] 0 pages in swap cache [ 271.509121] ? lock_downgrade+0x900/0x900 [ 271.513591] Swap cache stats: add 0, delete 0, find 0/0 [ 271.517032] ? trace_hardirqs_on+0xbd/0x310 [ 271.521148] Free swap = 0kB [ 271.526499] ? kvm_sched_clock_read+0x9/0x20 [ 271.530807] Total swap = 0kB [ 271.533835] ? irq_exit+0x17f/0x1c0 [ 271.538211] 1965979 pages RAM [ 271.541216] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.544814] 0 pages HighMem/MovableOnly [ 271.547905] ? check_preemption_disabled+0x48/0x200 [ 271.553429] 342307 pages reserved [ 271.557413] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.562399] 0 pages cma reserved [ 271.565840] run_timer_softirq+0x52/0xb0 [ 271.571411] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 271.574749] ? __this_cpu_preempt_check+0x1c/0x1f [ 271.578915] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 271.585312] __do_softirq+0x30b/0xad8 [ 271.590131] syz-executor2 cpuset= [ 271.600606] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 271.604378] syz2 [ 271.607824] ? pvclock_read_flags+0x160/0x160 [ 271.612901] mems_allowed=0 [ 271.614872] ? lapic_next_event+0x5a/0x90 [ 271.626390] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.631923] ? clockevents_program_event+0x140/0x370 [ 271.637072] ? kvm_clock_read+0x18/0x30 [ 271.641039] ? kvm_sched_clock_read+0x9/0x20 [ 271.645442] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.650973] ? check_preemption_disabled+0x48/0x200 [ 271.655989] irq_exit+0x17f/0x1c0 [ 271.659434] smp_apic_timer_interrupt+0x1cb/0x760 [ 271.664276] ? smp_reschedule_interrupt+0x109/0x650 [ 271.669297] ? smp_call_function_single_interrupt+0x650/0x650 [ 271.675174] ? interrupt_entry+0xb5/0xf0 [ 271.679231] ? trace_hardirqs_off_caller+0xbb/0x310 [ 271.684247] ? trace_hardirqs_off_caller+0xbb/0x310 [ 271.689290] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 271.694131] ? trace_hardirqs_on_caller+0x310/0x310 [ 271.699141] ? trace_hardirqs_on_caller+0x310/0x310 [ 271.704156] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 271.709691] ? check_preemption_disabled+0x48/0x200 [ 271.714720] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 271.720255] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 271.725189] apic_timer_interrupt+0xf/0x20 [ 271.729418] [ 271.731655] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 271.736847] Code: 00 e8 97 f5 a3 f9 e8 d2 63 d3 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d 24 75 80 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d fa 74 [ 271.755746] RSP: 0000:ffff8801bbdd6150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 271.763461] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 271.770726] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe740 [ 271.777992] RBP: ffff8801bbdd6178 R08: ffff8801d838c080 R09: ffffed003b5e5979 [ 271.785255] R10: ffffed003b5e5979 R11: ffff8801daf2cbcb R12: dffffc0000000000 [ 271.792531] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 271.799807] ? trace_hardirqs_on+0x9a/0x310 [ 271.804126] ? trace_hardirqs_on+0xb4/0x310 [ 271.808454] retint_kernel+0x1b/0x2d [ 271.812164] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 271.817441] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 21 17 fa 48 83 3d 99 9c 86 01 00 75 07 e8 9a 7f d3 f9 0f 0b e8 93 7f d3 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 21 17 fa 4c 8b 45 d0 e9 [ 271.836335] RSP: 0000:ffff8801bbdd6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 271.844044] RAX: ffff8801d838c080 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 271.851306] RDX: 0000000000000000 RSI: ffffffff87ab55fd RDI: 0000000000000293 [ 271.858573] RBP: ffff8801bbdd6240 R08: ffff8801d838c080 R09: fffffbfff13d9700 [ 271.865835] R10: fffffbfff13d9700 R11: 0000000000000003 R12: 0000000000000293 [ 271.873140] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff8931f280 [ 271.880428] ? trace_hardirqs_on+0x9a/0x310 [ 271.884747] ? arch_local_irq_restore+0x45/0x52 [ 271.889433] dump_stack+0x26a/0x2b4 [ 271.893057] ? dump_stack_print_info.cold.2+0x52/0x52 [ 271.898258] ? mark_held_locks+0x130/0x130 [ 271.902495] ? mark_held_locks+0x130/0x130 [ 271.906734] dump_header+0x27b/0xf72 [ 271.910461] ? rcu_read_unlock+0x16/0x60 [ 271.914521] ? pagefault_out_of_memory+0x197/0x197 [ 271.919477] ? mark_held_locks+0x130/0x130 [ 271.923707] ? percpu_ref_put_many+0x13e/0x260 [ 271.928291] ? mem_cgroup_charge_statistics+0x780/0x780 [ 271.933675] ? mem_cgroup_iter+0x1f7/0x1160 [ 271.937993] ? mark_held_locks+0x130/0x130 [ 271.942241] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.947792] ? task_will_free_mem+0x239/0xb30 [ 271.952308] ? ___ratelimit+0x36f/0x655 [ 271.956292] ? lock_downgrade+0x900/0x900 [ 271.960436] ? trace_hardirqs_on+0xbd/0x310 [ 271.964750] ? kasan_check_read+0x11/0x20 [ 271.968924] ? ___ratelimit+0x36f/0x655 [ 271.972895] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 271.978341] ? trace_hardirqs_on+0x310/0x310 [ 271.982748] ? lock_downgrade+0x900/0x900 [ 271.986941] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 271.992068] ? ___ratelimit+0xaa/0x655 [ 271.995954] ? idr_get_free+0xec0/0xec0 [ 271.999928] ? kasan_check_write+0x14/0x20 [ 272.004161] ? do_raw_spin_lock+0xc1/0x200 [ 272.008397] oom_kill_process.cold.27+0x10/0x903 [ 272.013153] ? lock_downgrade+0x900/0x900 [ 272.017305] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 272.023133] ? oom_evaluate_task+0x540/0x540 [ 272.027539] ? shrink_node+0x16b0/0x16b0 [ 272.031603] ? oom_unkillable_task+0x383/0x580 [ 272.036218] ? out_of_memory+0x974/0x1430 [ 272.040381] ? lock_downgrade+0x900/0x900 [ 272.044531] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 272.050332] ? __cpuset_node_allowed+0x19b/0x660 [ 272.055093] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 272.060628] ? oom_evaluate_task+0x302/0x540 [ 272.065059] out_of_memory+0xa84/0x1430 [ 272.069051] ? oom_killer_disable+0x3a0/0x3a0 [ 272.073543] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 272.078484] ? __mutex_add_waiter+0x2a0/0x2a0 [ 272.082974] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 272.088002] ? find_next_bit+0x104/0x130 [ 272.092092] __alloc_pages_slowpath+0x2318/0x2d80 [ 272.096954] ? warn_alloc+0x120/0x120 [ 272.100754] ? __radix_tree_lookup+0x4c0/0x4c0 [ 272.105373] ? find_get_entry+0x2f2/0xc40 [ 272.109524] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 272.114451] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 272.119987] ? should_fail+0x22d/0xd01 [ 272.123877] ? ___might_sleep+0x1ed/0x300 [ 272.128051] ? lock_release+0x970/0x970 [ 272.132025] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 272.137120] ? debug_smp_processor_id+0x1c/0x20 [ 272.141800] ? __might_sleep+0x95/0x190 [ 272.145783] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 272.150632] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 272.155651] ? lock_downgrade+0x900/0x900 [ 272.159814] ? ___might_sleep+0x1ed/0x300 [ 272.163956] ? lock_release+0x970/0x970 [ 272.167931] ? arch_local_save_flags+0x40/0x40 [ 272.172514] ? finish_task_switch+0x1f5/0x900 [ 272.177054] ? __might_sleep+0x95/0x190 [ 272.181030] __alloc_pages_nodemask+0xa80/0xde0 [ 272.185699] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 272.190713] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 272.196504] ? kasan_check_write+0x14/0x20 [ 272.200736] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 272.205415] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.210950] ? __do_page_cache_readahead+0x7ce/0x980 [ 272.216059] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 272.221592] alloc_pages_current+0x10c/0x210 [ 272.225996] ? lock_downgrade+0x900/0x900 [ 272.230156] __page_cache_alloc+0x38f/0x5b0 [ 272.234496] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 272.240292] ? ext4_filemap_fault+0x82/0xad [ 272.244624] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 272.249303] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 272.254834] ? check_preemption_disabled+0x48/0x200 [ 272.259857] filemap_fault+0x1594/0x25f0 [ 272.263927] ? __lock_page_or_retry+0xa00/0xa00 [ 272.268591] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 272.274390] ? unwind_dump+0x190/0x190 [ 272.278282] ? is_bpf_text_address+0xd3/0x170 [ 272.282781] ? filemap_map_pages+0xdea/0x1980 [ 272.287288] ? find_get_pages_range_tag+0x1320/0x1320 [ 272.292477] ? save_stack+0xa9/0xd0 [ 272.296102] ? save_stack+0x43/0xd0 [ 272.299722] ? __kasan_slab_free+0x102/0x150 [ 272.304124] ? __sigqueue_free.part.27+0x7d/0xa0 [ 272.308915] ? __dequeue_signal+0x530/0x7d0 [ 272.313235] ? dequeue_signal+0x26c/0x630 [ 272.317380] ? get_signal+0x3ec/0x1980 [ 272.321263] ? do_signal+0x9c/0x21e0 [ 272.324981] ? exit_to_usermode_loop+0x2e5/0x380 [ 272.329737] ? mark_held_locks+0x130/0x130 [ 272.333984] ? trace_hardirqs_on+0x310/0x310 [ 272.338392] ? lock_acquire+0x1ed/0x520 [ 272.342359] ? ext4_filemap_fault+0x7a/0xad [ 272.346681] ? lock_release+0x970/0x970 [ 272.350666] ? arch_local_save_flags+0x40/0x40 [ 272.355261] ? mark_held_locks+0x130/0x130 [ 272.359510] ? trace_hardirqs_off+0xb8/0x310 [ 272.363926] ? down_read+0xb0/0x1d0 [ 272.367546] ? ext4_filemap_fault+0x7a/0xad [ 272.371865] ? __down_interruptible+0x700/0x700 [ 272.376571] ? kmem_cache_free+0x21a/0x290 [ 272.380808] ? __sigqueue_free.part.27+0x7d/0xa0 [ 272.385562] ? __dequeue_signal+0xf9/0x7d0 [ 272.389846] ext4_filemap_fault+0x82/0xad [ 272.393991] __do_fault+0x100/0x6b0 [ 272.397617] ? print_bad_pte+0x6c0/0x6c0 [ 272.401704] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 272.407237] ? pmd_val+0x88/0x100 [ 272.410718] ? add_mm_counter_fast+0xd0/0xd0 [ 272.415121] ? pmd_val+0x88/0x100 [ 272.418606] ? add_mm_counter_fast+0xd0/0xd0 [ 272.423018] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 272.428623] __handle_mm_fault+0x3709/0x53e0 [ 272.433065] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 272.437902] ? kasan_check_write+0x14/0x20 [ 272.442129] ? do_raw_spin_lock+0xc1/0x200 [ 272.446360] ? _raw_spin_unlock_irq+0x60/0x80 [ 272.450859] ? __set_current_blocked+0xe4/0x120 [ 272.455530] ? lock_acquire+0x1ed/0x520 [ 272.459503] ? handle_mm_fault+0x42a/0xc70 [ 272.463735] ? lock_downgrade+0x900/0x900 [ 272.467898] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 272.473696] ? __do_page_fault+0x67d/0xed0 [ 272.477931] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 272.483378] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 272.488929] ? check_preemption_disabled+0x48/0x200 [ 272.493945] handle_mm_fault+0x54f/0xc70 [ 272.498009] ? __handle_mm_fault+0x53e0/0x53e0 [ 272.502588] ? find_vma+0x34/0x190 [ 272.506158] __do_page_fault+0x67d/0xed0 [ 272.510250] ? mm_fault_error+0x380/0x380 [ 272.514442] ? syscall_slow_exit_work+0x520/0x520 [ 272.519314] do_page_fault+0xf2/0x7e0 [ 272.523116] ? vmalloc_sync_all+0x30/0x30 [ 272.527265] ? error_entry+0x70/0xd0 [ 272.530989] ? trace_hardirqs_off_caller+0xbb/0x310 [ 272.536003] ? trace_hardirqs_on_caller+0xc0/0x310 [ 272.540943] ? syscall_return_slowpath+0x5e0/0x5e0 [ 272.545867] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 272.550707] ? trace_hardirqs_on_caller+0x310/0x310 [ 272.555717] ? trace_hardirqs_off+0x310/0x310 [ 272.560222] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 272.565250] ? prepare_exit_to_usermode+0x291/0x3b0 [ 272.570303] ? page_fault+0x8/0x30 [ 272.573876] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 272.578716] ? page_fault+0x8/0x30 [ 272.582252] page_fault+0x1e/0x30 [ 272.585704] RIP: 0033:0x45db60 [ 272.588893] Code: Bad RIP value. [ 272.592252] RSP: 002b:000000c420049ab8 EFLAGS: 00010286 [ 272.597624] RAX: 0000000000000000 RBX: 000000c420026380 RCX: 000000000045ddf3 [ 272.604892] RDX: 000000c420049ac0 RSI: 000000c420049bf0 RDI: 0000000000000011 [ 272.612167] RBP: 000000c420022f08 R08: 0000000000000000 R09: 0000000000000000 [ 272.619433] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42005c168 [ 272.626694] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000 [ 272.633972] CPU: 0 PID: 7800 Comm: syz-executor2 Not tainted 4.19.0-rc6+ #119 [ 272.634022] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 272.641240] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 272.641244] Call Trace: [ 272.641250] [ 272.641265] dump_stack+0x1c4/0x2b4 [ 272.641287] ? dump_stack_print_info.cold.2+0x52/0x52 [ 272.647833] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 272.657125] warn_alloc.cold.119+0xb7/0x1bd [ 272.659700] syz-fuzzer cpuset= [ 272.661855] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 272.665453] / [ 272.670630] ? lock_downgrade+0x900/0x900 [ 272.680825] mems_allowed=0 [ 272.685132] ? trace_hardirqs_off+0xb8/0x310 [ 272.706288] ? trace_hardirqs_off+0xb8/0x310 [ 272.710702] __alloc_pages_slowpath+0x2667/0x2d80 [ 272.715554] ? warn_alloc+0x120/0x120 [ 272.719351] ? trace_hardirqs_on+0x310/0x310 [ 272.723754] ? warn_alloc+0x120/0x120 [ 272.727581] ? warn_alloc+0x120/0x120 [ 272.731379] ? ktime_get+0x2e1/0x440 [ 272.735085] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.740613] ? check_preemption_disabled+0x48/0x200 [ 272.745642] ? kasan_check_read+0x11/0x20 [ 272.749794] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 272.755326] ? should_fail+0x22d/0xd01 [ 272.759224] ? rcu_bh_qs+0xc0/0xc0 [ 272.762771] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 272.767871] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 272.773403] ? should_fail+0x22d/0xd01 [ 272.777287] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 272.782382] ? should_fail+0x22d/0xd01 [ 272.786265] ? rcu_idle_enter+0x4b0/0x4b0 [ 272.790411] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 272.795514] ? mark_held_locks+0x130/0x130 [ 272.799744] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.805307] ? mark_held_locks+0x130/0x130 [ 272.809537] ? rcu_irq_exit+0xce/0x100 [ 272.813421] ? irq_exit+0xbd/0x1c0 [ 272.816959] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 272.821975] ? do_raw_spin_unlock+0xa7/0x2f0 [ 272.826384] ? smp_call_function_single_interrupt+0x650/0x650 [ 272.832265] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.837806] ? ret_from_intr+0xb/0x1e [ 272.841603] ? retint_kernel+0x2d/0x2d [ 272.845482] ? trace_hardirqs_on_caller+0xc0/0x310 [ 272.850420] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 272.855175] ? trace_hardirqs_off+0x310/0x310 [ 272.859665] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 272.864781] __alloc_pages_nodemask+0xa80/0xde0 [ 272.869451] ? should_fail+0x22d/0xd01 [ 272.873336] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 272.878377] ? ____cache_alloc_node+0x1c7/0x1e0 [ 272.883045] ? lock_downgrade+0x900/0x900 [ 272.887191] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.892725] cache_grow_begin+0x91/0x8c0 [ 272.896790] ? do_raw_spin_unlock+0xa7/0x2f0 [ 272.901218] fallback_alloc+0x203/0x2e0 [ 272.905220] ____cache_alloc_node+0x1c7/0x1e0 [ 272.909718] kmem_cache_alloc_node+0xe3/0x730 [ 272.914240] ? ipv6_get_ifaddr+0x42e/0x620 [ 272.918475] __alloc_skb+0x119/0x770 [ 272.922187] ? skb_scrub_packet+0x490/0x490 [ 272.926503] ? lock_downgrade+0x900/0x900 [ 272.930655] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.936191] ? refcount_sub_and_test_checked+0x203/0x310 [ 272.941658] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 272.947560] ? addrconf_rs_timer+0x690/0x690 [ 272.951971] ndisc_alloc_skb+0x144/0x340 [ 272.956032] ndisc_send_rs+0x331/0x6e0 [ 272.959930] addrconf_rs_timer+0x314/0x690 [ 272.964162] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 272.968404] call_timer_fn+0x272/0x920 [ 272.972290] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 272.976524] ? process_timeout+0x40/0x40 [ 272.980584] ? trace_hardirqs_off+0xb8/0x310 [ 272.985004] ? kasan_check_read+0x11/0x20 [ 272.989176] ? do_raw_spin_unlock+0xa7/0x2f0 [ 272.993577] ? trace_hardirqs_on+0x310/0x310 [ 272.997997] ? __run_timers+0x7da/0xc70 [ 273.001965] ? lock_downgrade+0x900/0x900 [ 273.006111] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 273.011212] ? trace_hardirqs_on+0xbd/0x310 [ 273.015544] ? kasan_check_read+0x11/0x20 [ 273.019685] ? __run_timers+0x7da/0xc70 [ 273.023654] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 273.029102] ? kasan_check_write+0x14/0x20 [ 273.033335] ? do_raw_spin_lock+0xc1/0x200 [ 273.037567] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 273.041847] __run_timers+0x7e5/0xc70 [ 273.045651] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 273.051010] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 273.056026] ? timerqueue_add+0x207/0x2b0 [ 273.060172] ? enqueue_hrtimer+0x1a5/0x560 [ 273.064400] ? lock_release+0x970/0x970 [ 273.068373] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 273.073565] ? kasan_check_write+0x14/0x20 [ 273.077806] ? pvclock_read_flags+0x160/0x160 [ 273.082299] ? lock_downgrade+0x900/0x900 [ 273.086469] ? trace_hardirqs_on+0xbd/0x310 [ 273.090797] ? kvm_sched_clock_read+0x9/0x20 [ 273.095205] ? irq_exit+0x17f/0x1c0 [ 273.098829] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.104408] ? check_preemption_disabled+0x48/0x200 [ 273.109422] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.114957] run_timer_softirq+0x52/0xb0 [ 273.119010] ? __this_cpu_preempt_check+0x1c/0x1f [ 273.123848] __do_softirq+0x30b/0xad8 [ 273.127650] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 273.132754] ? pvclock_read_flags+0x160/0x160 [ 273.137268] ? lapic_next_event+0x5a/0x90 [ 273.141460] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.147004] ? clockevents_program_event+0x140/0x370 [ 273.152119] ? kvm_clock_read+0x18/0x30 [ 273.156122] ? kvm_sched_clock_read+0x9/0x20 [ 273.160526] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.166054] ? check_preemption_disabled+0x48/0x200 [ 273.171101] irq_exit+0x17f/0x1c0 [ 273.174544] smp_apic_timer_interrupt+0x1cb/0x760 [ 273.179378] ? smp_reschedule_interrupt+0x109/0x650 [ 273.184391] ? smp_call_function_single_interrupt+0x650/0x650 [ 273.190269] ? interrupt_entry+0xb5/0xf0 [ 273.194373] ? trace_hardirqs_off_caller+0xbb/0x310 [ 273.199390] ? trace_hardirqs_off_caller+0xbb/0x310 [ 273.204416] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 273.209255] ? trace_hardirqs_on_caller+0x310/0x310 [ 273.214281] ? trace_hardirqs_on_caller+0x310/0x310 [ 273.219296] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.224832] ? check_preemption_disabled+0x48/0x200 [ 273.229851] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 273.234697] apic_timer_interrupt+0xf/0x20 [ 273.238924] [ 273.241157] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 273.247035] Code: 3f 7e 0f 85 32 ff ff ff e8 53 4a 3e ff e9 28 ff ff ff e8 ba ad c2 ff 48 83 3d 0a bf 6f 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 62 23 [ 273.265928] RSP: 0018:ffff88019a29f4a8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 273.273629] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000627e000 [ 273.280904] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 273.288165] RBP: ffff88019a29f520 R08: ffff8801ba14e480 R09: fffffbfff12720c0 [ 273.295425] R10: ffff88019a29e0f0 R11: ffffffff89390603 R12: ffff8801da800ac0 [ 273.302687] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286 [ 273.309961] ? trace_hardirqs_on+0xb4/0x310 [ 273.314277] ? save_stack+0xa9/0xd0 [ 273.317904] __kmalloc_node_track_caller+0x33/0x70 [ 273.322834] __kmalloc_reserve.isra.39+0xcc/0xe0 [ 273.327587] pskb_expand_head+0x230/0x10f0 [ 273.331819] ? lock_downgrade+0x900/0x900 [ 273.335976] ? check_preemption_disabled+0x48/0x200 [ 273.340987] ? memcpy+0x45/0x50 [ 273.344264] ? __copy_skb_header+0x350/0x6b0 [ 273.348671] ? __pskb_copy_fclone+0xeb0/0xeb0 [ 273.353163] ? skb_checksum+0x140/0x140 [ 273.357136] ? trace_hardirqs_on+0xbd/0x310 [ 273.361453] ? skb_clone+0x1bb/0x500 [ 273.365164] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 273.370611] ? kasan_unpoison_shadow+0x35/0x50 [ 273.375194] ? kasan_check_write+0x14/0x20 [ 273.379423] ? __skb_clone+0x6c7/0xa00 [ 273.383313] ? __copy_skb_header+0x6b0/0x6b0 [ 273.387722] ? kmem_cache_alloc+0x306/0x730 [ 273.392046] skb_ensure_writable+0x3dd/0x640 [ 273.396451] ? skb_cow_data+0xf10/0xf10 [ 273.400419] ? check_preemption_disabled+0x48/0x200 [ 273.405456] ? __this_cpu_preempt_check+0x1c/0x1f [ 273.410299] ? __bpf_redirect+0x54b/0xb20 [ 273.414474] ? __switch_to_asm+0x34/0x70 [ 273.418548] bpf_clone_redirect+0x14a/0x490 [ 273.422923] bpf_prog_3d1649e183dc2cc1+0xca3/0x1000 [ 273.427948] ? __sched_text_start+0x8/0x8 [ 273.432094] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 273.436846] ? retint_kernel+0x2d/0x2d [ 273.440728] ? trace_hardirqs_on_caller+0xc0/0x310 [ 273.445659] ? retint_kernel+0x2d/0x2d [ 273.449544] ? trace_hardirqs_on_caller+0xc0/0x310 [ 273.454486] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 273.459251] ? trace_hardirqs_off+0x310/0x310 [ 273.463799] ? retint_kernel+0x1b/0x2d [ 273.467706] ? lock_acquire+0x1ed/0x520 [ 273.471678] ? bpf_test_run+0x3cb/0x780 [ 273.475649] ? lock_downgrade+0x900/0x900 [ 273.479803] ? lock_release+0x970/0x970 [ 273.483812] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 273.489655] ? preempt_schedule_common+0x1f/0xd0 [ 273.494407] ? preempt_schedule+0x4d/0x60 [ 273.498552] ? ___preempt_schedule+0x16/0x18 [ 273.502966] ? bpf_test_run+0x25d/0x780 [ 273.506946] ? netlink_diag_dump+0x2a0/0x2a0 [ 273.511353] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 273.516912] ? bpf_test_init.isra.9+0x70/0x100 [ 273.521491] ? bpf_prog_test_run_skb+0x634/0xb40 [ 273.526248] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 273.531086] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 273.536618] ? fput+0x130/0x1a0 [ 273.539911] ? __bpf_prog_get+0x9b/0x290 [ 273.543989] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 273.548828] ? bpf_prog_test_run+0x130/0x1a0 [ 273.553235] ? __x64_sys_bpf+0x3d8/0x510 [ 273.557292] ? bpf_prog_get+0x20/0x20 [ 273.561098] ? __x64_sys_futex+0x4bc/0x6a0 [ 273.565335] ? do_syscall_64+0x1b9/0x820 [ 273.569390] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 273.574750] ? syscall_return_slowpath+0x5e0/0x5e0 [ 273.579687] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 273.584545] ? trace_hardirqs_on_caller+0x310/0x310 [ 273.589575] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 273.594591] ? prepare_exit_to_usermode+0x291/0x3b0 [ 273.599604] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 273.604464] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 273.609831] warn_alloc_show_mem: 1 callbacks suppressed [ 273.609842] CPU: 1 PID: 5806 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #119 [ 273.609844] Mem-Info: [ 273.609874] active_anon:46475 inactive_anon:4207 isolated_anon:0 [ 273.609874] active_file:17 inactive_file:13 isolated_file:0 [ 273.609874] unevictable:0 dirty:0 writeback:0 unstable:0 [ 273.609874] slab_reclaimable:8782 slab_unreclaimable:1485678 [ 273.609874] mapped:8194 shmem:4214 pagetables:396 bounce:0 [ 273.609874] free:13756 free_pcp:276 free_cma:0 [ 273.615214] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 273.622226] Node 0 active_anon:185900kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32776kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 273.624626] Call Trace: [ 273.657590] Node 0 [ 273.666930] [ 273.694696] 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 [ 273.697251] dump_stack+0x1c4/0x2b4 [ 273.699463] lowmem_reserve[]: [ 273.701604] ? dump_stack_print_info.cold.2+0x52/0x52 [ 273.727082] 0 [ 273.730703] warn_alloc.cold.119+0xb7/0x1bd [ 273.733799] 2819 [ 273.738980] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 273.740765] 6323 [ 273.745075] ? lock_downgrade+0x900/0x900 [ 273.747119] 6323 [ 273.751954] ? trace_hardirqs_off+0xb8/0x310 [ 273.758132] ? trace_hardirqs_off+0xb8/0x310 [ 273.760170] Node 0 [ 273.764569] __alloc_pages_slowpath+0x2667/0x2d80 [ 273.768975] DMA32 free:25168kB min:30060kB low:37572kB high:45084kB active_anon:10240kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 273.771186] ? warn_alloc+0x120/0x120 [ 273.775990] lowmem_reserve[]: [ 273.803220] ? trace_hardirqs_on+0x310/0x310 [ 273.806994] 0 [ 273.810101] ? warn_alloc+0x120/0x120 [ 273.814496] 0 [ 273.816293] ? warn_alloc+0x120/0x120 [ 273.820068] 3503 [ 273.821869] ? ktime_get+0x2e1/0x440 [ 273.825639] 3503 [ 273.827696] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.833451] ? check_preemption_disabled+0x48/0x200 [ 273.838960] Node 0 Normal free:13948kB min:37352kB low:46688kB high:56024kB active_anon:175660kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5056kB pagetables:1584kB bounce:0kB free_pcp:856kB local_pcp:320kB free_cma:0kB [ 273.843996] ? kasan_check_read+0x11/0x20 [ 273.844013] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 273.873050] lowmem_reserve[]: [ 273.877191] ? should_fail+0x22d/0xd01 [ 273.882697] 0 [ 273.885809] ? rcu_bh_qs+0xc0/0xc0 [ 273.889676] 0 [ 273.891470] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 273.894982] 0 [ 273.896790] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 273.901925] 0 [ 273.903723] ? should_fail+0x22d/0xd01 [ 273.911027] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 273.914882] Node 0 [ 273.919972] ? should_fail+0x22d/0xd01 [ 273.919975] DMA: 1*4kB [ 273.922217] ? rcu_idle_enter+0x4b0/0x4b0 [ 273.926075] (U) [ 273.928653] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 273.932784] 0*8kB [ 273.934753] ? mark_held_locks+0x130/0x130 [ 273.939841] 0*16kB [ 273.941983] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.946191] 1*32kB [ 273.948415] ? mark_held_locks+0x130/0x130 [ 273.953923] (U) [ 273.956156] ? rcu_irq_exit+0xce/0x100 [ 273.960368] 2*64kB [ 273.962339] ? irq_exit+0xbd/0x1c0 [ 273.966196] (U) [ 273.968429] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 273.971941] 1*128kB [ 273.973912] ? do_raw_spin_unlock+0xa7/0x2f0 [ 273.978901] (U) [ 273.981218] ? smp_call_function_single_interrupt+0x650/0x650 [ 273.985626] 1*256kB [ 273.987595] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.993451] (U) [ 273.995775] ? ret_from_intr+0xb/0x1e [ 274.001292] 0*512kB [ 274.003263] ? retint_kernel+0x2d/0x2d [ 274.007037] 1*1024kB [ 274.009354] ? trace_hardirqs_on_caller+0xc0/0x310 [ 274.013212] (U) [ 274.015641] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 274.020541] 1*2048kB [ 274.022539] ? trace_hardirqs_off+0x310/0x310 [ 274.027268] (M) [ 274.029694] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 274.034165] 3*4096kB [ 274.036138] __alloc_pages_nodemask+0xa80/0xde0 [ 274.041211] (M) [ 274.043616] ? should_fail+0x22d/0xd01 [ 274.048360] = 15908kB [ 274.050344] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 274.054232] Node 0 [ 274.056642] ? ____cache_alloc_node+0x1c7/0x1e0 [ 274.061634] DMA32: [ 274.063881] ? lock_downgrade+0x900/0x900 [ 274.068524] 2*4kB [ 274.070754] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.074881] (M) [ 274.077027] cache_grow_begin+0x91/0x8c0 [ 274.082536] 1*8kB [ 274.084529] ? do_raw_spin_unlock+0xa7/0x2f0 [ 274.088589] (M) [ 274.090738] fallback_alloc+0x203/0x2e0 [ 274.095120] 2*16kB [ 274.097109] ____cache_alloc_node+0x1c7/0x1e0 [ 274.101063] (M) [ 274.103318] kmem_cache_alloc_node+0xe3/0x730 [ 274.107818] 3*32kB [ 274.109793] ? ipv6_get_ifaddr+0x42e/0x620 [ 274.114279] (MH) [ 274.116510] __alloc_skb+0x119/0x770 [ 274.120717] 5*64kB [ 274.122783] ? skb_scrub_packet+0x490/0x490 [ 274.126471] (MH) [ 274.128701] ? lock_downgrade+0x900/0x900 [ 274.133009] 3*128kB [ 274.135068] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.139186] (M) [ 274.141505] ? refcount_sub_and_test_checked+0x203/0x310 [ 274.147011] 5*256kB [ 274.148992] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 274.154411] (UMH) [ 274.156726] ? addrconf_rs_timer+0x690/0x690 [ 274.162151] 5*512kB [ 274.164312] ndisc_alloc_skb+0x144/0x340 [ 274.168690] (UMH) [ 274.171005] ndisc_send_rs+0x331/0x6e0 [ 274.175041] 4*1024kB [ 274.177181] addrconf_rs_timer+0x314/0x690 [ 274.181045] (UMH) [ 274.183448] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.187673] 2*2048kB [ 274.189818] call_timer_fn+0x272/0x920 [ 274.194019] (M) [ 274.196421] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.200284] 3*4096kB [ 274.202253] ? process_timeout+0x40/0x40 [ 274.206489] (M) [ 274.208894] ? trace_hardirqs_off+0xb8/0x310 [ 274.212931] = 25168kB [ 274.214897] ? kasan_check_read+0x11/0x20 [ 274.219272] Node 0 Normal: [ 274.221683] ? do_raw_spin_unlock+0xa7/0x2f0 [ 274.225806] 1081*4kB [ 274.228731] ? trace_hardirqs_on+0x310/0x310 [ 274.233110] (UMEH) [ 274.235511] ? __run_timers+0x7da/0xc70 [ 274.239892] 387*8kB [ 274.242120] ? lock_downgrade+0x900/0x900 [ 274.246066] (ME) [ 274.248384] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 274.252502] 152*16kB [ 274.254555] ? trace_hardirqs_on+0xbd/0x310 [ 274.259631] (UME) [ 274.262049] ? kasan_check_read+0x11/0x20 [ 274.266360] 54*32kB [ 274.268557] ? __run_timers+0x7da/0xc70 [ 274.272674] (UME) [ 274.274986] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 274.278937] 21*64kB [ 274.281086] ? kasan_check_write+0x14/0x20 [ 274.286525] (UM) [ 274.288843] ? do_raw_spin_lock+0xc1/0x200 [ 274.293052] 0*128kB [ 274.295105] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.299334] 0*256kB [ 274.301646] __run_timers+0x7e5/0xc70 [ 274.305853] 2*512kB [ 274.308167] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 274.311936] (U) [ 274.314254] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 274.319592] 0*1024kB [ 274.321561] ? timerqueue_add+0x207/0x2b0 [ 274.326552] 0*2048kB [ 274.328951] ? enqueue_hrtimer+0x1a5/0x560 [ 274.333072] 0*4096kB [ 274.335472] ? lock_release+0x970/0x970 [ 274.339692] = 13948kB [ 274.342095] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 274.346048] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 274.348442] ? check_preemption_disabled+0x48/0x200 [ 274.353613] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 274.362430] ? kasan_check_write+0x14/0x20 [ 274.367423] 4244 total pagecache pages [ 274.375986] ? pvclock_read_flags+0x160/0x160 [ 274.380192] 0 pages in swap cache [ 274.384071] ? lock_downgrade+0x900/0x900 [ 274.388562] Swap cache stats: add 0, delete 0, find 0/0 [ 274.391999] ? trace_hardirqs_on+0xbd/0x310 [ 274.396118] Free swap = 0kB [ 274.401471] ? kvm_sched_clock_read+0x9/0x20 [ 274.405775] Total swap = 0kB [ 274.408793] ? irq_exit+0x17f/0x1c0 [ 274.413215] 1965979 pages RAM [ 274.416254] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.419868] 0 pages HighMem/MovableOnly [ 274.422976] ? check_preemption_disabled+0x48/0x200 [ 274.428486] 342307 pages reserved [ 274.432451] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.437458] 0 pages cma reserved [ 274.440925] run_timer_softirq+0x52/0xb0 [ 274.446501] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 274.449803] ? __this_cpu_preempt_check+0x1c/0x1f [ 274.449815] __do_softirq+0x30b/0xad8 [ 274.449832] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 274.453919] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 274.460354] ? pvclock_read_flags+0x160/0x160 [ 274.465175] syz-executor2 cpuset= [ 274.468977] ? lapic_next_event+0x5a/0x90 [ 274.474052] syz2 [ 274.484531] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.488998] mems_allowed=0 [ 274.492442] ? clockevents_program_event+0x140/0x370 [ 274.512044] ? kvm_clock_read+0x18/0x30 [ 274.516015] ? kvm_sched_clock_read+0x9/0x20 [ 274.520421] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.525952] ? check_preemption_disabled+0x48/0x200 [ 274.530975] irq_exit+0x17f/0x1c0 [ 274.534428] smp_apic_timer_interrupt+0x1cb/0x760 [ 274.539266] ? smp_reschedule_interrupt+0x109/0x650 [ 274.544288] ? smp_call_function_single_interrupt+0x650/0x650 [ 274.550169] ? interrupt_entry+0xb5/0xf0 [ 274.554228] ? trace_hardirqs_off_caller+0xbb/0x310 [ 274.559243] ? trace_hardirqs_off_caller+0xbb/0x310 [ 274.564258] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 274.569100] ? trace_hardirqs_on_caller+0x310/0x310 [ 274.574111] ? trace_hardirqs_on_caller+0x310/0x310 [ 274.579126] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 274.584664] ? check_preemption_disabled+0x48/0x200 [ 274.589681] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 274.595220] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 274.600081] apic_timer_interrupt+0xf/0x20 [ 274.604327] [ 274.606575] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 274.611798] Code: 00 e8 97 f5 a3 f9 e8 d2 63 d3 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d 24 75 80 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d fa 74 [ 274.630692] RSP: 0000:ffff8801bbdd6150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 274.638397] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 274.645659] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe740 [ 274.652925] RBP: ffff8801bbdd6178 R08: ffff8801d838c080 R09: ffffed003b5e5979 [ 274.660207] R10: ffffed003b5e5979 R11: ffff8801daf2cbcb R12: dffffc0000000000 [ 274.667498] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 274.674783] ? trace_hardirqs_on+0x9a/0x310 [ 274.679101] ? trace_hardirqs_on+0xb4/0x310 [ 274.683424] retint_kernel+0x1b/0x2d [ 274.687138] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 274.692409] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 21 17 fa 48 83 3d 99 9c 86 01 00 75 07 e8 9a 7f d3 f9 0f 0b e8 93 7f d3 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 21 17 fa 4c 8b 45 d0 e9 [ 274.711307] RSP: 0000:ffff8801bbdd6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 274.719013] RAX: ffff8801d838c080 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 274.726280] RDX: 0000000000000000 RSI: ffffffff87ab55fd RDI: 0000000000000293 [ 274.733544] RBP: ffff8801bbdd6240 R08: ffff8801d838c080 R09: fffffbfff13d9700 [ 274.740806] R10: fffffbfff13d9700 R11: 0000000000000003 R12: 0000000000000293 [ 274.748068] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff8931f280 [ 274.755343] ? trace_hardirqs_on+0x9a/0x310 [ 274.759658] ? arch_local_irq_restore+0x45/0x52 [ 274.764339] dump_stack+0x26a/0x2b4 [ 274.767964] ? dump_stack_print_info.cold.2+0x52/0x52 [ 274.773155] ? mark_held_locks+0x130/0x130 [ 274.777384] ? mark_held_locks+0x130/0x130 [ 274.781633] dump_header+0x27b/0xf72 [ 274.785345] ? rcu_read_unlock+0x16/0x60 [ 274.789405] ? pagefault_out_of_memory+0x197/0x197 [ 274.794330] ? mark_held_locks+0x130/0x130 [ 274.798557] ? percpu_ref_put_many+0x13e/0x260 [ 274.803139] ? mem_cgroup_charge_statistics+0x780/0x780 [ 274.808503] ? mem_cgroup_iter+0x1f7/0x1160 [ 274.812821] ? mark_held_locks+0x130/0x130 [ 274.817056] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.822592] ? task_will_free_mem+0x239/0xb30 [ 274.827088] ? ___ratelimit+0x36f/0x655 [ 274.831061] ? lock_downgrade+0x900/0x900 [ 274.835212] ? trace_hardirqs_on+0xbd/0x310 [ 274.839529] ? kasan_check_read+0x11/0x20 [ 274.843672] ? ___ratelimit+0x36f/0x655 [ 274.847643] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 274.853112] ? trace_hardirqs_on+0x310/0x310 [ 274.857522] ? lock_downgrade+0x900/0x900 [ 274.861695] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 274.866797] ? ___ratelimit+0xaa/0x655 [ 274.870697] ? idr_get_free+0xec0/0xec0 [ 274.874668] ? kasan_check_write+0x14/0x20 [ 274.878896] ? do_raw_spin_lock+0xc1/0x200 [ 274.883140] oom_kill_process.cold.27+0x10/0x903 [ 274.887907] ? lock_downgrade+0x900/0x900 [ 274.892061] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 274.897860] ? oom_evaluate_task+0x540/0x540 [ 274.902299] ? shrink_node+0x16b0/0x16b0 [ 274.906357] ? oom_unkillable_task+0x383/0x580 [ 274.910966] ? out_of_memory+0x974/0x1430 [ 274.915113] ? lock_downgrade+0x900/0x900 [ 274.919265] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 274.925079] ? __cpuset_node_allowed+0x19b/0x660 [ 274.929853] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 274.935399] ? oom_evaluate_task+0x302/0x540 [ 274.939808] out_of_memory+0xa84/0x1430 [ 274.943790] ? oom_killer_disable+0x3a0/0x3a0 [ 274.948307] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 274.953237] ? __mutex_add_waiter+0x2a0/0x2a0 [ 274.957735] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 274.962778] ? find_next_bit+0x104/0x130 [ 274.966846] __alloc_pages_slowpath+0x2318/0x2d80 [ 274.971709] ? warn_alloc+0x120/0x120 [ 274.975506] ? __radix_tree_lookup+0x4c0/0x4c0 [ 274.980092] ? find_get_entry+0x2f2/0xc40 [ 274.984249] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 274.989178] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 274.994724] ? should_fail+0x22d/0xd01 [ 274.998616] ? ___might_sleep+0x1ed/0x300 [ 275.002807] ? lock_release+0x970/0x970 [ 275.006824] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 275.011922] ? debug_smp_processor_id+0x1c/0x20 [ 275.016589] ? __might_sleep+0x95/0x190 [ 275.020560] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 275.025405] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 275.030425] ? lock_downgrade+0x900/0x900 [ 275.034567] ? ___might_sleep+0x1ed/0x300 [ 275.038727] ? lock_release+0x970/0x970 [ 275.042703] ? arch_local_save_flags+0x40/0x40 [ 275.047292] ? finish_task_switch+0x1f5/0x900 [ 275.051795] ? __might_sleep+0x95/0x190 [ 275.055784] __alloc_pages_nodemask+0xa80/0xde0 [ 275.060457] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 275.065469] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 275.071262] ? kasan_check_write+0x14/0x20 [ 275.075500] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 275.080687] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.086220] ? __do_page_cache_readahead+0x7ce/0x980 [ 275.091330] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 275.096870] alloc_pages_current+0x10c/0x210 [ 275.101283] ? lock_downgrade+0x900/0x900 [ 275.105432] __page_cache_alloc+0x38f/0x5b0 [ 275.109754] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 275.115563] ? ext4_filemap_fault+0x82/0xad [ 275.119886] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 275.124562] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 275.130094] ? check_preemption_disabled+0x48/0x200 [ 275.135109] filemap_fault+0x1594/0x25f0 [ 275.139208] ? __lock_page_or_retry+0xa00/0xa00 [ 275.143878] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 275.149672] ? unwind_dump+0x190/0x190 [ 275.153559] ? is_bpf_text_address+0xd3/0x170 [ 275.158064] ? filemap_map_pages+0xdea/0x1980 [ 275.162568] ? find_get_pages_range_tag+0x1320/0x1320 [ 275.167774] ? save_stack+0xa9/0xd0 [ 275.171398] ? save_stack+0x43/0xd0 [ 275.175023] ? __kasan_slab_free+0x102/0x150 [ 275.179428] ? __sigqueue_free.part.27+0x7d/0xa0 [ 275.184225] ? __dequeue_signal+0x530/0x7d0 [ 275.188539] ? dequeue_signal+0x26c/0x630 [ 275.192685] ? get_signal+0x3ec/0x1980 [ 275.196568] ? do_signal+0x9c/0x21e0 [ 275.200283] ? exit_to_usermode_loop+0x2e5/0x380 [ 275.205040] ? mark_held_locks+0x130/0x130 [ 275.209277] ? trace_hardirqs_on+0x310/0x310 [ 275.213686] ? lock_acquire+0x1ed/0x520 [ 275.217658] ? ext4_filemap_fault+0x7a/0xad [ 275.221992] ? lock_release+0x970/0x970 [ 275.225962] ? arch_local_save_flags+0x40/0x40 [ 275.230540] ? mark_held_locks+0x130/0x130 [ 275.234774] ? trace_hardirqs_off+0xb8/0x310 [ 275.239195] ? down_read+0xb0/0x1d0 [ 275.242816] ? ext4_filemap_fault+0x7a/0xad [ 275.247149] ? __down_interruptible+0x700/0x700 [ 275.251832] ? kmem_cache_free+0x21a/0x290 [ 275.256069] ? __sigqueue_free.part.27+0x7d/0xa0 [ 275.260824] ? __dequeue_signal+0xf9/0x7d0 [ 275.265056] ext4_filemap_fault+0x82/0xad [ 275.269217] __do_fault+0x100/0x6b0 [ 275.272842] ? print_bad_pte+0x6c0/0x6c0 [ 275.276901] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 275.282461] ? pmd_val+0x88/0x100 [ 275.285912] ? add_mm_counter_fast+0xd0/0xd0 [ 275.290320] ? pmd_val+0x88/0x100 [ 275.293777] ? add_mm_counter_fast+0xd0/0xd0 [ 275.298182] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 275.303722] __handle_mm_fault+0x3709/0x53e0 [ 275.308132] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 275.312971] ? kasan_check_write+0x14/0x20 [ 275.317202] ? do_raw_spin_lock+0xc1/0x200 [ 275.321437] ? _raw_spin_unlock_irq+0x60/0x80 [ 275.325931] ? __set_current_blocked+0xe4/0x120 [ 275.330604] ? lock_acquire+0x1ed/0x520 [ 275.334582] ? handle_mm_fault+0x42a/0xc70 [ 275.338813] ? lock_downgrade+0x900/0x900 [ 275.342966] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 275.348774] ? __do_page_fault+0x67d/0xed0 [ 275.353015] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 275.358466] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 275.364006] ? check_preemption_disabled+0x48/0x200 [ 275.369026] handle_mm_fault+0x54f/0xc70 [ 275.373103] ? __handle_mm_fault+0x53e0/0x53e0 [ 275.377681] ? find_vma+0x34/0x190 [ 275.381222] __do_page_fault+0x67d/0xed0 [ 275.385328] ? mm_fault_error+0x380/0x380 [ 275.389473] ? syscall_slow_exit_work+0x520/0x520 [ 275.394315] do_page_fault+0xf2/0x7e0 [ 275.398129] ? vmalloc_sync_all+0x30/0x30 [ 275.402289] ? error_entry+0x70/0xd0 [ 275.406000] ? trace_hardirqs_off_caller+0xbb/0x310 [ 275.411014] ? trace_hardirqs_on_caller+0xc0/0x310 [ 275.415944] ? syscall_return_slowpath+0x5e0/0x5e0 [ 275.420874] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 275.425716] ? trace_hardirqs_on_caller+0x310/0x310 [ 275.430725] ? trace_hardirqs_off+0x310/0x310 [ 275.435235] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 275.440247] ? prepare_exit_to_usermode+0x291/0x3b0 [ 275.445267] ? page_fault+0x8/0x30 [ 275.448811] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 275.453655] ? page_fault+0x8/0x30 [ 275.457195] page_fault+0x1e/0x30 [ 275.460643] RIP: 0033:0x45db60 [ 275.463839] Code: Bad RIP value. [ 275.467216] RSP: 002b:000000c420049ab8 EFLAGS: 00010286 [ 275.472603] RAX: 0000000000000000 RBX: 000000c420026380 RCX: 000000000045ddf3 [ 275.479869] RDX: 000000c420049ac0 RSI: 000000c420049bf0 RDI: 0000000000000011 [ 275.487131] RBP: 000000c420022f08 R08: 0000000000000000 R09: 0000000000000000 [ 275.494391] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42005c168 [ 275.501651] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000 [ 275.508982] CPU: 0 PID: 7800 Comm: syz-executor2 Not tainted 4.19.0-rc6+ #119 [ 275.509076] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 275.516304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 275.522844] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 275.532123] Call Trace: [ 275.542331] syz-fuzzer cpuset= [ 275.544893] [ 275.544895] / mems_allowed=0 [ 275.548103] dump_stack+0x1c4/0x2b4 [ 275.556857] ? dump_stack_print_info.cold.2+0x52/0x52 [ 275.562067] warn_alloc.cold.119+0xb7/0x1bd [ 275.566402] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 275.571239] ? lock_downgrade+0x900/0x900 [ 275.575386] ? trace_hardirqs_off+0xb8/0x310 [ 275.579831] ? trace_hardirqs_off+0xb8/0x310 [ 275.584243] __alloc_pages_slowpath+0x2667/0x2d80 [ 275.589099] ? warn_alloc+0x120/0x120 [ 275.592902] ? warn_alloc+0x120/0x120 [ 275.596700] ? warn_alloc+0x120/0x120 [ 275.600498] ? mark_held_locks+0x130/0x130 [ 275.604817] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.610354] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 275.615909] ? should_fail+0x22d/0xd01 [ 275.619812] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 275.624910] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 275.630472] ? should_fail+0x22d/0xd01 [ 275.634358] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 275.639458] ? should_fail+0x22d/0xd01 [ 275.643360] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 275.648463] ? mark_held_locks+0x130/0x130 [ 275.652702] ? mark_held_locks+0x130/0x130 [ 275.656964] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.662496] ? trace_hardirqs_off+0xb8/0x310 [ 275.666901] ? kasan_check_read+0x11/0x20 [ 275.671048] ? do_raw_spin_unlock+0xa7/0x2f0 [ 275.675482] ? trace_hardirqs_on+0x310/0x310 [ 275.679902] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.685436] ? wq_watchdog_touch+0x9c/0xfe [ 275.689667] ? io_serial_in+0x11/0x90 [ 275.693464] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.699006] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 275.704129] __alloc_pages_nodemask+0xa80/0xde0 [ 275.708804] ? should_fail+0x22d/0xd01 [ 275.712691] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 275.717717] ? ____cache_alloc_node+0x1c7/0x1e0 [ 275.722383] ? lock_downgrade+0x900/0x900 [ 275.726533] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.732072] cache_grow_begin+0x91/0x8c0 [ 275.736128] ? do_raw_spin_unlock+0xa7/0x2f0 [ 275.740569] fallback_alloc+0x203/0x2e0 [ 275.744542] ____cache_alloc_node+0x1c7/0x1e0 [ 275.749035] kmem_cache_alloc_node+0xe3/0x730 [ 275.753529] ? ipv6_get_ifaddr+0x42e/0x620 [ 275.757792] __alloc_skb+0x119/0x770 [ 275.761508] ? skb_scrub_packet+0x490/0x490 [ 275.765826] ? lock_downgrade+0x900/0x900 [ 275.770006] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.775583] ? refcount_sub_and_test_checked+0x203/0x310 [ 275.781032] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 275.786479] ? addrconf_rs_timer+0x690/0x690 [ 275.790903] ndisc_alloc_skb+0x144/0x340 [ 275.794979] ndisc_send_rs+0x331/0x6e0 [ 275.798863] addrconf_rs_timer+0x314/0x690 [ 275.803098] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.807337] call_timer_fn+0x272/0x920 [ 275.811218] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.815455] ? process_timeout+0x40/0x40 [ 275.819526] ? trace_hardirqs_off+0xb8/0x310 [ 275.823939] ? kasan_check_read+0x11/0x20 [ 275.828088] ? do_raw_spin_unlock+0xa7/0x2f0 [ 275.832512] ? trace_hardirqs_on+0x310/0x310 [ 275.836923] ? __run_timers+0x7da/0xc70 [ 275.840898] ? lock_downgrade+0x900/0x900 [ 275.845051] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 275.850153] ? trace_hardirqs_on+0xbd/0x310 [ 275.854467] ? kasan_check_read+0x11/0x20 [ 275.858629] ? __run_timers+0x7da/0xc70 [ 275.862601] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 275.868066] ? kasan_check_write+0x14/0x20 [ 275.872300] ? do_raw_spin_lock+0xc1/0x200 [ 275.876536] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.880778] __run_timers+0x7e5/0xc70 [ 275.884585] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 275.889963] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 275.894975] ? timerqueue_add+0x207/0x2b0 [ 275.899153] ? enqueue_hrtimer+0x1a5/0x560 [ 275.903400] ? lock_release+0x970/0x970 [ 275.907371] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 275.912576] ? kasan_check_write+0x14/0x20 [ 275.916825] ? pvclock_read_flags+0x160/0x160 [ 275.921312] ? lock_downgrade+0x900/0x900 [ 275.925464] ? trace_hardirqs_on+0xbd/0x310 [ 275.929791] ? kvm_sched_clock_read+0x9/0x20 [ 275.934204] ? irq_exit+0x17f/0x1c0 [ 275.937843] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.943379] ? check_preemption_disabled+0x48/0x200 [ 275.948394] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.953931] run_timer_softirq+0x52/0xb0 [ 275.957987] ? __this_cpu_preempt_check+0x1c/0x1f [ 275.962827] __do_softirq+0x30b/0xad8 [ 275.966677] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 275.971813] ? pvclock_read_flags+0x160/0x160 [ 275.976305] ? lapic_next_event+0x5a/0x90 [ 275.980451] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.985988] ? clockevents_program_event+0x140/0x370 [ 275.991091] ? kvm_clock_read+0x18/0x30 [ 275.995064] ? kvm_sched_clock_read+0x9/0x20 [ 275.999473] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.005007] ? check_preemption_disabled+0x48/0x200 [ 276.010026] irq_exit+0x17f/0x1c0 [ 276.013477] smp_apic_timer_interrupt+0x1cb/0x760 [ 276.018314] ? smp_reschedule_interrupt+0x109/0x650 [ 276.023326] ? smp_call_function_single_interrupt+0x650/0x650 [ 276.029207] ? interrupt_entry+0xb5/0xf0 [ 276.033292] ? trace_hardirqs_off_caller+0xbb/0x310 [ 276.038313] ? trace_hardirqs_off_caller+0xbb/0x310 [ 276.043330] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 276.048171] ? trace_hardirqs_on_caller+0x310/0x310 [ 276.053183] ? trace_hardirqs_on_caller+0x310/0x310 [ 276.058194] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.063730] ? check_preemption_disabled+0x48/0x200 [ 276.068768] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 276.073620] apic_timer_interrupt+0xf/0x20 [ 276.077843] [ 276.080082] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 276.085977] Code: 3f 7e 0f 85 32 ff ff ff e8 53 4a 3e ff e9 28 ff ff ff e8 ba ad c2 ff 48 83 3d 0a bf 6f 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 62 23 [ 276.104905] RSP: 0018:ffff88019a29f4a8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 276.112610] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000627e000 [ 276.119890] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 276.127152] RBP: ffff88019a29f520 R08: ffff8801ba14e480 R09: fffffbfff12720c0 [ 276.134416] R10: ffff88019a29e0f0 R11: ffffffff89390603 R12: ffff8801da800ac0 [ 276.141683] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286 [ 276.148959] ? trace_hardirqs_on+0xb4/0x310 [ 276.153280] ? save_stack+0xa9/0xd0 [ 276.156905] __kmalloc_node_track_caller+0x33/0x70 [ 276.161830] __kmalloc_reserve.isra.39+0xcc/0xe0 [ 276.166583] pskb_expand_head+0x230/0x10f0 [ 276.170814] ? lock_downgrade+0x900/0x900 [ 276.174956] ? check_preemption_disabled+0x48/0x200 [ 276.179985] ? memcpy+0x45/0x50 [ 276.183303] ? __copy_skb_header+0x350/0x6b0 [ 276.187704] ? __pskb_copy_fclone+0xeb0/0xeb0 [ 276.192194] ? skb_checksum+0x140/0x140 [ 276.196168] ? trace_hardirqs_on+0xbd/0x310 [ 276.200484] ? skb_clone+0x1bb/0x500 [ 276.204195] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 276.209639] ? kasan_unpoison_shadow+0x35/0x50 [ 276.214219] ? kasan_check_write+0x14/0x20 [ 276.218448] ? __skb_clone+0x6c7/0xa00 [ 276.222336] ? __copy_skb_header+0x6b0/0x6b0 [ 276.226741] ? kmem_cache_alloc+0x306/0x730 [ 276.231073] skb_ensure_writable+0x3dd/0x640 [ 276.235483] ? skb_cow_data+0xf10/0xf10 [ 276.239454] ? check_preemption_disabled+0x48/0x200 [ 276.244467] ? __this_cpu_preempt_check+0x1c/0x1f [ 276.249304] ? __bpf_redirect+0x54b/0xb20 [ 276.253449] ? __switch_to_asm+0x34/0x70 [ 276.257507] bpf_clone_redirect+0x14a/0x490 [ 276.261832] bpf_prog_3d1649e183dc2cc1+0xca3/0x1000 [ 276.266860] ? __sched_text_start+0x8/0x8 [ 276.271005] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 276.275757] ? retint_kernel+0x2d/0x2d [ 276.279655] ? trace_hardirqs_on_caller+0xc0/0x310 [ 276.284580] ? retint_kernel+0x2d/0x2d [ 276.288463] ? trace_hardirqs_on_caller+0xc0/0x310 [ 276.293403] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 276.298157] ? trace_hardirqs_off+0x310/0x310 [ 276.302646] ? retint_kernel+0x1b/0x2d [ 276.306543] ? lock_acquire+0x1ed/0x520 [ 276.310515] ? bpf_test_run+0x3cb/0x780 [ 276.314501] ? lock_downgrade+0x900/0x900 [ 276.318643] ? lock_release+0x970/0x970 [ 276.322629] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 276.328438] ? preempt_schedule_common+0x1f/0xd0 [ 276.333188] ? preempt_schedule+0x4d/0x60 [ 276.337347] ? ___preempt_schedule+0x16/0x18 [ 276.341794] ? bpf_test_run+0x25d/0x780 [ 276.345788] ? netlink_diag_dump+0x2a0/0x2a0 [ 276.350199] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 276.355731] ? bpf_test_init.isra.9+0x70/0x100 [ 276.360317] ? bpf_prog_test_run_skb+0x634/0xb40 [ 276.365075] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 276.369954] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 276.375486] ? fput+0x130/0x1a0 [ 276.378783] ? __bpf_prog_get+0x9b/0x290 [ 276.382845] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 276.387682] ? bpf_prog_test_run+0x130/0x1a0 [ 276.392087] ? __x64_sys_bpf+0x3d8/0x510 [ 276.396167] ? bpf_prog_get+0x20/0x20 [ 276.399971] ? __x64_sys_futex+0x4bc/0x6a0 [ 276.404235] ? do_syscall_64+0x1b9/0x820 [ 276.408294] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 276.413669] ? syscall_return_slowpath+0x5e0/0x5e0 [ 276.418591] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 276.423427] ? trace_hardirqs_on_caller+0x310/0x310 [ 276.428444] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 276.433456] ? prepare_exit_to_usermode+0x291/0x3b0 [ 276.438471] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 276.443317] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 276.448701] CPU: 1 PID: 5806 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #119 [ 276.448706] warn_alloc_show_mem: 1 callbacks suppressed [ 276.448712] Mem-Info: [ 276.455744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 276.461135] active_anon:46475 inactive_anon:4207 isolated_anon:0 [ 276.461135] active_file:17 inactive_file:13 isolated_file:0 [ 276.461135] unevictable:0 dirty:0 writeback:0 unstable:0 [ 276.461135] slab_reclaimable:8782 slab_unreclaimable:1485678 [ 276.461135] mapped:8194 shmem:4214 pagetables:396 bounce:0 [ 276.461135] free:13756 free_pcp:276 free_cma:0 [ 276.463504] Call Trace: [ 276.472915] Node 0 active_anon:185900kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32776kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 276.505844] [ 276.508409] Node 0 [ 276.536162] dump_stack+0x1c4/0x2b4 [ 276.538310] 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 [ 276.540527] ? dump_stack_print_info.cold.2+0x52/0x52 [ 276.544125] lowmem_reserve[]: [ 276.569628] warn_alloc.cold.119+0xb7/0x1bd [ 276.574802] 0 [ 276.577918] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 276.582215] 2819 [ 276.584012] ? lock_downgrade+0x900/0x900 [ 276.588825] 6323 [ 276.590881] ? trace_hardirqs_off+0xb8/0x310 [ 276.595006] 6323 [ 276.597079] ? trace_hardirqs_off+0xb8/0x310 [ 276.603520] __alloc_pages_slowpath+0x2667/0x2d80 [ 276.607901] Node 0 DMA32 free:25168kB min:30060kB low:37572kB high:45084kB active_anon:10240kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 276.612776] ? warn_alloc+0x120/0x120 [ 276.612792] ? trace_hardirqs_on+0x310/0x310 [ 276.640615] lowmem_reserve[]: [ 276.644412] ? warn_alloc+0x120/0x120 [ 276.648799] 0 [ 276.651905] ? warn_alloc+0x120/0x120 [ 276.655677] 0 [ 276.657470] ? ktime_get+0x2e1/0x440 [ 276.661241] 3503 [ 276.663040] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.666727] 3503 [ 276.668791] ? check_preemption_disabled+0x48/0x200 [ 276.676354] ? kasan_check_read+0x11/0x20 [ 276.681342] Node 0 [ 276.685488] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 276.685519] Normal free:13948kB min:37352kB low:46688kB high:56024kB active_anon:175660kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5056kB pagetables:1584kB bounce:0kB free_pcp:856kB local_pcp:320kB free_cma:0kB [ 276.685526] lowmem_reserve[]: [ 276.687757] ? should_fail+0x22d/0xd01 [ 276.693289] 0 [ 276.721740] ? rcu_bh_qs+0xc0/0xc0 [ 276.724821] 0 [ 276.728699] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 276.730489] 0 [ 276.734034] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 276.735869] 0 [ 276.740966] ? should_fail+0x22d/0xd01 [ 276.748285] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 276.750058] Node 0 [ 276.753935] ? should_fail+0x22d/0xd01 [ 276.759014] DMA: [ 276.761242] ? rcu_idle_enter+0x4b0/0x4b0 [ 276.765119] 1*4kB [ 276.767189] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 276.771307] (U) [ 276.773462] ? mark_held_locks+0x130/0x130 [ 276.778536] 0*8kB [ 276.780502] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.784710] 0*16kB 1*32kB [ 276.786894] ? mark_held_locks+0x130/0x130 [ 276.792402] (U) [ 276.795241] ? rcu_irq_exit+0xce/0x100 [ 276.799447] 2*64kB [ 276.801416] ? irq_exit+0xbd/0x1c0 [ 276.805318] (U) [ 276.807561] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 276.811074] 1*128kB [ 276.813039] ? do_raw_spin_unlock+0xa7/0x2f0 [ 276.818027] (U) [ 276.820340] ? smp_call_function_single_interrupt+0x650/0x650 [ 276.824738] 1*256kB [ 276.826712] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.832568] (U) [ 276.834885] ? ret_from_intr+0xb/0x1e [ 276.840398] 0*512kB [ 276.842365] ? retint_kernel+0x2d/0x2d [ 276.846138] 1*1024kB [ 276.848452] ? trace_hardirqs_on_caller+0xc0/0x310 [ 276.852309] (U) [ 276.854710] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 276.859609] 1*2048kB [ 276.861577] ? trace_hardirqs_off+0x310/0x310 [ 276.866308] (M) [ 276.868710] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 276.873176] 3*4096kB [ 276.875176] __alloc_pages_nodemask+0xa80/0xde0 [ 276.880248] (M) [ 276.882653] ? should_fail+0x22d/0xd01 [ 276.887291] = 15908kB [ 276.889264] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 276.893126] Node 0 [ 276.895575] ? ____cache_alloc_node+0x1c7/0x1e0 [ 276.900554] DMA32: [ 276.902830] ? lock_downgrade+0x900/0x900 [ 276.907472] 2*4kB [ 276.909736] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.913855] (M) [ 276.916001] cache_grow_begin+0x91/0x8c0 [ 276.921514] 1*8kB [ 276.923481] ? do_raw_spin_unlock+0xa7/0x2f0 [ 276.927511] (M) [ 276.929670] fallback_alloc+0x203/0x2e0 [ 276.934049] 2*16kB [ 276.936016] ____cache_alloc_node+0x1c7/0x1e0 [ 276.939965] (M) [ 276.942194] kmem_cache_alloc_node+0xe3/0x730 [ 276.947128] 3*32kB [ 276.949099] ? ipv6_get_ifaddr+0x42e/0x620 [ 276.953581] (MH) [ 276.955811] __alloc_skb+0x119/0x770 [ 276.960016] 5*64kB [ 276.962074] ? skb_scrub_packet+0x490/0x490 [ 276.965769] (MH) [ 276.967999] ? lock_downgrade+0x900/0x900 [ 276.972296] 3*128kB [ 276.974350] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.978471] (M) [ 276.980797] ? refcount_sub_and_test_checked+0x203/0x310 [ 276.986305] 5*256kB [ 276.988279] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 276.993695] (UMH) [ 276.996009] ? addrconf_rs_timer+0x690/0x690 [ 277.001433] 5*512kB [ 277.003578] ndisc_alloc_skb+0x144/0x340 [ 277.007959] (UMH) [ 277.010282] ndisc_send_rs+0x331/0x6e0 [ 277.014344] 4*1024kB [ 277.016495] addrconf_rs_timer+0x314/0x690 [ 277.020359] (UMH) [ 277.022784] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 277.027011] 2*2048kB [ 277.029155] call_timer_fn+0x272/0x920 [ 277.033372] (M) [ 277.035785] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 277.039647] 3*4096kB [ 277.041614] ? process_timeout+0x40/0x40 [ 277.045825] (M) [ 277.048232] ? trace_hardirqs_off+0xb8/0x310 [ 277.052278] = 25168kB [ 277.052286] Node 0 [ 277.054255] ? kasan_check_read+0x11/0x20 [ 277.058652] Normal: [ 277.061054] ? do_raw_spin_unlock+0xa7/0x2f0 [ 277.063262] 1081*4kB [ 277.067406] ? trace_hardirqs_on+0x310/0x310 [ 277.069707] (UMEH) [ 277.074111] ? __run_timers+0x7da/0xc70 [ 277.076527] 387*8kB [ 277.081375] ? lock_downgrade+0x900/0x900 [ 277.083605] (ME) [ 277.087582] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 277.089896] 152*16kB [ 277.094031] ? trace_hardirqs_on+0xbd/0x310 [ 277.096103] (UME) [ 277.101195] ? kasan_check_read+0x11/0x20 [ 277.103584] 54*32kB [ 277.107894] ? __run_timers+0x7da/0xc70 [ 277.110022] (UME) [ 277.114163] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 277.116460] 21*64kB [ 277.120437] ? kasan_check_write+0x14/0x20 [ 277.122575] (UM) [ 277.128015] ? do_raw_spin_lock+0xc1/0x200 [ 277.130312] 0*128kB [ 277.134534] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 277.136605] 0*256kB [ 277.140860] __run_timers+0x7e5/0xc70 [ 277.143158] 2*512kB [ 277.147416] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 277.149707] (U) [ 277.153500] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 277.155807] 0*1024kB [ 277.161159] ? timerqueue_add+0x207/0x2b0 [ 277.163134] 0*2048kB [ 277.168178] ? enqueue_hrtimer+0x1a5/0x560 [ 277.170565] 0*4096kB [ 277.174702] ? lock_release+0x970/0x970 [ 277.177084] = 13948kB [ 277.181307] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 277.183712] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 277.187697] ? check_preemption_disabled+0x48/0x200 [ 277.190085] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 277.195256] ? kasan_check_write+0x14/0x20 [ 277.204064] 4244 total pagecache pages [ 277.209104] ? pvclock_read_flags+0x160/0x160 [ 277.217649] 0 pages in swap cache [ 277.221890] ? lock_downgrade+0x900/0x900 [ 277.225749] Swap cache stats: add 0, delete 0, find 0/0 [ 277.230239] ? trace_hardirqs_on+0xbd/0x310 [ 277.233664] Free swap = 0kB [ 277.237814] ? kvm_sched_clock_read+0x9/0x20 [ 277.243148] Total swap = 0kB [ 277.247476] ? irq_exit+0x17f/0x1c0 [ 277.250466] 1965979 pages RAM [ 277.254868] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.257860] 0 pages HighMem/MovableOnly [ 277.261474] ? check_preemption_disabled+0x48/0x200 [ 277.264556] 342307 pages reserved [ 277.270079] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.274024] 0 pages cma reserved [ 277.279035] run_timer_softirq+0x52/0xb0 [ 277.282514] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 277.287994] ? __this_cpu_preempt_check+0x1c/0x1f [ 277.288005] __do_softirq+0x30b/0xad8 [ 277.288021] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 277.291419] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 277.295426] ? pvclock_read_flags+0x160/0x160 [ 277.301898] syz-executor2 cpuset= [ 277.306733] ? lapic_next_event+0x5a/0x90 [ 277.310508] syz2 [ 277.315609] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.326069] mems_allowed=0 [ 277.330556] ? clockevents_program_event+0x140/0x370 [ 277.353594] ? kvm_clock_read+0x18/0x30 [ 277.357567] ? kvm_sched_clock_read+0x9/0x20 [ 277.361977] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.367511] ? check_preemption_disabled+0x48/0x200 [ 277.372530] irq_exit+0x17f/0x1c0 [ 277.375979] smp_apic_timer_interrupt+0x1cb/0x760 [ 277.380816] ? smp_reschedule_interrupt+0x109/0x650 [ 277.385849] ? smp_call_function_single_interrupt+0x650/0x650 [ 277.391756] ? interrupt_entry+0xb5/0xf0 [ 277.395840] ? trace_hardirqs_off_caller+0xbb/0x310 [ 277.400852] ? trace_hardirqs_off_caller+0xbb/0x310 [ 277.405865] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 277.410713] ? trace_hardirqs_on_caller+0x310/0x310 [ 277.415724] ? trace_hardirqs_on_caller+0x310/0x310 [ 277.420739] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 277.426285] ? check_preemption_disabled+0x48/0x200 [ 277.431300] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 277.436835] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 277.441679] apic_timer_interrupt+0xf/0x20 [ 277.445903] [ 277.448142] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 277.453329] Code: 00 e8 97 f5 a3 f9 e8 d2 63 d3 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d 24 75 80 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d fa 74 [ 277.472222] RSP: 0000:ffff8801bbdd6150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 277.479926] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 277.487194] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe740 [ 277.494455] RBP: ffff8801bbdd6178 R08: ffff8801d838c080 R09: ffffed003b5e5979 [ 277.501717] R10: ffffed003b5e5979 R11: ffff8801daf2cbcb R12: dffffc0000000000 [ 277.508985] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 277.516293] ? trace_hardirqs_on+0x9a/0x310 [ 277.520629] ? trace_hardirqs_on+0xb4/0x310 [ 277.524955] retint_kernel+0x1b/0x2d [ 277.528679] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 277.533955] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 21 17 fa 48 83 3d 99 9c 86 01 00 75 07 e8 9a 7f d3 f9 0f 0b e8 93 7f d3 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 21 17 fa 4c 8b 45 d0 e9 [ 277.552852] RSP: 0000:ffff8801bbdd6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 277.560557] RAX: ffff8801d838c080 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 277.567854] RDX: 0000000000000000 RSI: ffffffff87ab55fd RDI: 0000000000000293 [ 277.575183] RBP: ffff8801bbdd6240 R08: ffff8801d838c080 R09: fffffbfff13d9700 [ 277.582445] R10: fffffbfff13d9700 R11: 0000000000000003 R12: 0000000000000293 [ 277.589719] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff8931f280 [ 277.596992] ? trace_hardirqs_on+0x9a/0x310 [ 277.601309] ? arch_local_irq_restore+0x45/0x52 [ 277.605976] dump_stack+0x26a/0x2b4 [ 277.609600] ? dump_stack_print_info.cold.2+0x52/0x52 [ 277.614805] ? mark_held_locks+0x130/0x130 [ 277.619051] ? mark_held_locks+0x130/0x130 [ 277.623293] dump_header+0x27b/0xf72 [ 277.627034] ? rcu_read_unlock+0x16/0x60 [ 277.631092] ? pagefault_out_of_memory+0x197/0x197 [ 277.636016] ? mark_held_locks+0x130/0x130 [ 277.640249] ? percpu_ref_put_many+0x13e/0x260 [ 277.644831] ? mem_cgroup_charge_statistics+0x780/0x780 [ 277.650232] ? mem_cgroup_iter+0x1f7/0x1160 [ 277.654553] ? mark_held_locks+0x130/0x130 [ 277.658796] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.664332] ? task_will_free_mem+0x239/0xb30 [ 277.668840] ? ___ratelimit+0x36f/0x655 [ 277.672809] ? lock_downgrade+0x900/0x900 [ 277.676956] ? trace_hardirqs_on+0xbd/0x310 [ 277.681270] ? kasan_check_read+0x11/0x20 [ 277.685422] ? ___ratelimit+0x36f/0x655 [ 277.689393] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 277.694838] ? trace_hardirqs_on+0x310/0x310 [ 277.699256] ? lock_downgrade+0x900/0x900 [ 277.703408] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 277.708504] ? ___ratelimit+0xaa/0x655 [ 277.712396] ? idr_get_free+0xec0/0xec0 [ 277.716372] ? kasan_check_write+0x14/0x20 [ 277.720621] ? do_raw_spin_lock+0xc1/0x200 [ 277.724856] oom_kill_process.cold.27+0x10/0x903 [ 277.729615] ? lock_downgrade+0x900/0x900 [ 277.733776] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 277.739578] ? oom_evaluate_task+0x540/0x540 [ 277.743994] ? shrink_node+0x16b0/0x16b0 [ 277.748073] ? oom_unkillable_task+0x383/0x580 [ 277.752668] ? out_of_memory+0x974/0x1430 [ 277.756923] ? lock_downgrade+0x900/0x900 [ 277.761073] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 277.766883] ? __cpuset_node_allowed+0x19b/0x660 [ 277.771640] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 277.777172] ? oom_evaluate_task+0x302/0x540 [ 277.781579] out_of_memory+0xa84/0x1430 [ 277.785560] ? oom_killer_disable+0x3a0/0x3a0 [ 277.790056] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 277.794982] ? __mutex_add_waiter+0x2a0/0x2a0 [ 277.799475] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 277.804511] ? find_next_bit+0x104/0x130 [ 277.808576] __alloc_pages_slowpath+0x2318/0x2d80 [ 277.813445] ? warn_alloc+0x120/0x120 [ 277.817257] ? __radix_tree_lookup+0x4c0/0x4c0 [ 277.821863] ? find_get_entry+0x2f2/0xc40 [ 277.826021] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 277.830951] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 277.836485] ? should_fail+0x22d/0xd01 [ 277.840371] ? ___might_sleep+0x1ed/0x300 [ 277.844517] ? lock_release+0x970/0x970 [ 277.848494] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 277.853594] ? debug_smp_processor_id+0x1c/0x20 [ 277.858264] ? __might_sleep+0x95/0x190 [ 277.862245] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 277.867093] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 277.872121] ? lock_downgrade+0x900/0x900 [ 277.876267] ? ___might_sleep+0x1ed/0x300 [ 277.880415] ? lock_release+0x970/0x970 [ 277.884386] ? arch_local_save_flags+0x40/0x40 [ 277.888970] ? finish_task_switch+0x1f5/0x900 [ 277.893469] ? __might_sleep+0x95/0x190 [ 277.897447] __alloc_pages_nodemask+0xa80/0xde0 [ 277.902119] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 277.907134] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 277.912927] ? kasan_check_write+0x14/0x20 [ 277.917163] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 277.921862] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.927411] ? __do_page_cache_readahead+0x7ce/0x980 [ 277.932543] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 277.938080] alloc_pages_current+0x10c/0x210 [ 277.942498] ? lock_downgrade+0x900/0x900 [ 277.946645] __page_cache_alloc+0x38f/0x5b0 [ 277.950964] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 277.956760] ? ext4_filemap_fault+0x82/0xad [ 277.961089] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 277.965775] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 277.971321] ? check_preemption_disabled+0x48/0x200 [ 277.976337] filemap_fault+0x1594/0x25f0 [ 277.980409] ? __lock_page_or_retry+0xa00/0xa00 [ 277.985091] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 277.990898] ? unwind_dump+0x190/0x190 [ 277.994825] ? is_bpf_text_address+0xd3/0x170 [ 277.999320] ? filemap_map_pages+0xdea/0x1980 [ 278.003840] ? find_get_pages_range_tag+0x1320/0x1320 [ 278.009023] ? save_stack+0xa9/0xd0 [ 278.012644] ? save_stack+0x43/0xd0 [ 278.016267] ? __kasan_slab_free+0x102/0x150 [ 278.020682] ? __sigqueue_free.part.27+0x7d/0xa0 [ 278.025431] ? __dequeue_signal+0x530/0x7d0 [ 278.029755] ? dequeue_signal+0x26c/0x630 [ 278.033909] ? get_signal+0x3ec/0x1980 [ 278.037798] ? do_signal+0x9c/0x21e0 [ 278.041507] ? exit_to_usermode_loop+0x2e5/0x380 [ 278.046265] ? mark_held_locks+0x130/0x130 [ 278.050502] ? trace_hardirqs_on+0x310/0x310 [ 278.054908] ? lock_acquire+0x1ed/0x520 [ 278.058882] ? ext4_filemap_fault+0x7a/0xad [ 278.063205] ? lock_release+0x970/0x970 [ 278.067178] ? arch_local_save_flags+0x40/0x40 [ 278.071780] ? mark_held_locks+0x130/0x130 [ 278.076026] ? trace_hardirqs_off+0xb8/0x310 [ 278.080451] ? down_read+0xb0/0x1d0 [ 278.084081] ? ext4_filemap_fault+0x7a/0xad [ 278.088412] ? __down_interruptible+0x700/0x700 [ 278.093075] ? kmem_cache_free+0x21a/0x290 [ 278.097305] ? __sigqueue_free.part.27+0x7d/0xa0 [ 278.102063] ? __dequeue_signal+0xf9/0x7d0 [ 278.106301] ext4_filemap_fault+0x82/0xad [ 278.110451] __do_fault+0x100/0x6b0 [ 278.114079] ? print_bad_pte+0x6c0/0x6c0 [ 278.118156] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 278.123708] ? pmd_val+0x88/0x100 [ 278.127158] ? add_mm_counter_fast+0xd0/0xd0 [ 278.131561] ? pmd_val+0x88/0x100 [ 278.135045] ? add_mm_counter_fast+0xd0/0xd0 [ 278.139456] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 278.144991] __handle_mm_fault+0x3709/0x53e0 [ 278.149404] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 278.154246] ? kasan_check_write+0x14/0x20 [ 278.158483] ? do_raw_spin_lock+0xc1/0x200 [ 278.162720] ? _raw_spin_unlock_irq+0x60/0x80 [ 278.167214] ? __set_current_blocked+0xe4/0x120 [ 278.171924] ? lock_acquire+0x1ed/0x520 [ 278.175900] ? handle_mm_fault+0x42a/0xc70 [ 278.180145] ? lock_downgrade+0x900/0x900 [ 278.184298] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 278.190110] ? __do_page_fault+0x67d/0xed0 [ 278.194372] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 278.199825] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 278.205357] ? check_preemption_disabled+0x48/0x200 [ 278.210419] handle_mm_fault+0x54f/0xc70 [ 278.214485] ? __handle_mm_fault+0x53e0/0x53e0 [ 278.219080] ? find_vma+0x34/0x190 [ 278.222619] __do_page_fault+0x67d/0xed0 [ 278.226681] ? mm_fault_error+0x380/0x380 [ 278.230835] ? syscall_slow_exit_work+0x520/0x520 [ 278.235676] do_page_fault+0xf2/0x7e0 [ 278.239476] ? vmalloc_sync_all+0x30/0x30 [ 278.243623] ? error_entry+0x70/0xd0 [ 278.247333] ? trace_hardirqs_off_caller+0xbb/0x310 [ 278.252346] ? trace_hardirqs_on_caller+0xc0/0x310 [ 278.257280] ? syscall_return_slowpath+0x5e0/0x5e0 [ 278.262204] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 278.267059] ? trace_hardirqs_on_caller+0x310/0x310 [ 278.272089] ? trace_hardirqs_off+0x310/0x310 [ 278.276598] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 278.281613] ? prepare_exit_to_usermode+0x291/0x3b0 [ 278.286643] ? page_fault+0x8/0x30 [ 278.290183] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 278.295023] ? page_fault+0x8/0x30 [ 278.298561] page_fault+0x1e/0x30 [ 278.302011] RIP: 0033:0x45db60 [ 278.305206] Code: Bad RIP value. [ 278.308567] RSP: 002b:000000c420049ab8 EFLAGS: 00010286 [ 278.313930] RAX: 0000000000000000 RBX: 000000c420026380 RCX: 000000000045ddf3 [ 278.321195] RDX: 000000c420049ac0 RSI: 000000c420049bf0 RDI: 0000000000000011 [ 278.328459] RBP: 000000c420022f08 R08: 0000000000000000 R09: 0000000000000000 [ 278.335725] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42005c168 [ 278.342990] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000 [ 278.350279] CPU: 0 PID: 7800 Comm: syz-executor2 Not tainted 4.19.0-rc6+ #119 [ 278.350337] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 278.357580] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 278.357584] Call Trace: [ 278.357589] [ 278.357620] dump_stack+0x1c4/0x2b4 [ 278.357637] ? dump_stack_print_info.cold.2+0x52/0x52 [ 278.364175] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 278.373471] warn_alloc.cold.119+0xb7/0x1bd [ 278.376028] syz-fuzzer cpuset= [ 278.378170] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 278.381779] / [ 278.386964] ? lock_downgrade+0x900/0x900 [ 278.397163] mems_allowed=0 [ 278.401476] ? trace_hardirqs_off+0xb8/0x310 [ 278.422607] ? trace_hardirqs_off+0xb8/0x310 [ 278.427022] __alloc_pages_slowpath+0x2667/0x2d80 [ 278.431894] ? warn_alloc+0x120/0x120 [ 278.435693] ? lock_release+0x970/0x970 [ 278.439665] ? warn_alloc+0x120/0x120 [ 278.443460] ? trace_hardirqs_on+0x310/0x310 [ 278.447862] ? warn_alloc+0x120/0x120 [ 278.451675] ? mark_held_locks+0x130/0x130 [ 278.455910] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.461459] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 278.466994] ? should_fail+0x22d/0xd01 [ 278.470898] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 278.476012] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 278.481557] ? should_fail+0x22d/0xd01 [ 278.485443] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 278.490617] ? should_fail+0x22d/0xd01 [ 278.494501] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 278.499599] ? mark_held_locks+0x130/0x130 [ 278.503831] ? mark_held_locks+0x130/0x130 [ 278.508061] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.513595] ? trace_hardirqs_off+0xb8/0x310 [ 278.518009] ? kasan_check_read+0x11/0x20 [ 278.522161] ? do_raw_spin_unlock+0xa7/0x2f0 [ 278.526566] ? trace_hardirqs_on+0x310/0x310 [ 278.530973] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.536511] ? wq_watchdog_touch+0x9c/0xfe [ 278.540757] ? io_serial_in+0x11/0x90 [ 278.544586] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.550147] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 278.555260] __alloc_pages_nodemask+0xa80/0xde0 [ 278.559939] ? should_fail+0x22d/0xd01 [ 278.563828] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 278.568857] ? ____cache_alloc_node+0x1c7/0x1e0 [ 278.573524] ? lock_downgrade+0x900/0x900 [ 278.577687] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.583227] cache_grow_begin+0x91/0x8c0 [ 278.587287] ? do_raw_spin_unlock+0xa7/0x2f0 [ 278.591700] fallback_alloc+0x203/0x2e0 [ 278.595675] ____cache_alloc_node+0x1c7/0x1e0 [ 278.600168] kmem_cache_alloc_node+0xe3/0x730 [ 278.604661] ? ipv6_get_ifaddr+0x42e/0x620 [ 278.608904] __alloc_skb+0x119/0x770 [ 278.612620] ? skb_scrub_packet+0x490/0x490 [ 278.616954] ? lock_downgrade+0x900/0x900 [ 278.621102] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.626649] ? refcount_sub_and_test_checked+0x203/0x310 [ 278.632113] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 278.637556] ? addrconf_rs_timer+0x690/0x690 [ 278.641969] ndisc_alloc_skb+0x144/0x340 [ 278.646026] ndisc_send_rs+0x331/0x6e0 [ 278.649956] addrconf_rs_timer+0x314/0x690 [ 278.654201] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 278.658442] call_timer_fn+0x272/0x920 [ 278.662352] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 278.666585] ? process_timeout+0x40/0x40 [ 278.670639] ? trace_hardirqs_off+0xb8/0x310 [ 278.675041] ? kasan_check_read+0x11/0x20 [ 278.679184] ? do_raw_spin_unlock+0xa7/0x2f0 [ 278.683592] ? trace_hardirqs_on+0x310/0x310 [ 278.688016] ? __run_timers+0x7da/0xc70 [ 278.691987] ? lock_downgrade+0x900/0x900 [ 278.696134] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 278.701270] ? trace_hardirqs_on+0xbd/0x310 [ 278.705605] ? kasan_check_read+0x11/0x20 [ 278.709747] ? __run_timers+0x7da/0xc70 [ 278.713729] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 278.719180] ? kasan_check_write+0x14/0x20 [ 278.723413] ? do_raw_spin_lock+0xc1/0x200 [ 278.727644] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 278.731873] __run_timers+0x7e5/0xc70 [ 278.735678] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 278.741039] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 278.746051] ? timerqueue_add+0x207/0x2b0 [ 278.750201] ? enqueue_hrtimer+0x1a5/0x560 [ 278.754429] ? lock_release+0x970/0x970 [ 278.758434] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 278.763625] ? kasan_check_write+0x14/0x20 [ 278.767867] ? pvclock_read_flags+0x160/0x160 [ 278.772359] ? lock_downgrade+0x900/0x900 [ 278.776508] ? trace_hardirqs_on+0xbd/0x310 [ 278.780827] ? kvm_sched_clock_read+0x9/0x20 [ 278.785237] ? irq_exit+0x17f/0x1c0 [ 278.788874] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.794424] ? check_preemption_disabled+0x48/0x200 [ 278.799448] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.804986] run_timer_softirq+0x52/0xb0 [ 278.809041] ? __this_cpu_preempt_check+0x1c/0x1f [ 278.813877] __do_softirq+0x30b/0xad8 [ 278.817676] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 278.822791] ? pvclock_read_flags+0x160/0x160 [ 278.827280] ? lapic_next_event+0x5a/0x90 [ 278.831438] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.836989] ? clockevents_program_event+0x140/0x370 [ 278.842095] ? kvm_clock_read+0x18/0x30 [ 278.846070] ? kvm_sched_clock_read+0x9/0x20 [ 278.850474] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.856011] ? check_preemption_disabled+0x48/0x200 [ 278.861031] irq_exit+0x17f/0x1c0 [ 278.864483] smp_apic_timer_interrupt+0x1cb/0x760 [ 278.869317] ? smp_reschedule_interrupt+0x109/0x650 [ 278.874349] ? smp_call_function_single_interrupt+0x650/0x650 [ 278.880229] ? interrupt_entry+0xb5/0xf0 [ 278.884289] ? trace_hardirqs_off_caller+0xbb/0x310 [ 278.889300] ? trace_hardirqs_off_caller+0xbb/0x310 [ 278.894314] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 278.899151] ? trace_hardirqs_on_caller+0x310/0x310 [ 278.904174] ? trace_hardirqs_on_caller+0x310/0x310 [ 278.909188] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.914722] ? check_preemption_disabled+0x48/0x200 [ 278.919737] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 278.924637] apic_timer_interrupt+0xf/0x20 [ 278.928861] [ 278.931097] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 278.936985] Code: 3f 7e 0f 85 32 ff ff ff e8 53 4a 3e ff e9 28 ff ff ff e8 ba ad c2 ff 48 83 3d 0a bf 6f 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 62 23 [ 278.956412] RSP: 0018:ffff88019a29f4a8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 278.964132] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000627e000 [ 278.971391] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 278.978684] RBP: ffff88019a29f520 R08: ffff8801ba14e480 R09: fffffbfff12720c0 [ 278.985951] R10: ffff88019a29e0f0 R11: ffffffff89390603 R12: ffff8801da800ac0 [ 278.993217] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286 [ 279.000502] ? trace_hardirqs_on+0xb4/0x310 [ 279.004828] ? save_stack+0xa9/0xd0 [ 279.008459] __kmalloc_node_track_caller+0x33/0x70 [ 279.013387] __kmalloc_reserve.isra.39+0xcc/0xe0 [ 279.018150] pskb_expand_head+0x230/0x10f0 [ 279.022385] ? lock_downgrade+0x900/0x900 [ 279.026531] ? check_preemption_disabled+0x48/0x200 [ 279.031546] ? memcpy+0x45/0x50 [ 279.034856] ? __copy_skb_header+0x350/0x6b0 [ 279.039265] ? __pskb_copy_fclone+0xeb0/0xeb0 [ 279.043759] ? skb_checksum+0x140/0x140 [ 279.047751] ? trace_hardirqs_on+0xbd/0x310 [ 279.052100] ? skb_clone+0x1bb/0x500 [ 279.055825] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 279.061267] ? kasan_unpoison_shadow+0x35/0x50 [ 279.065844] ? kasan_check_write+0x14/0x20 [ 279.070085] ? __skb_clone+0x6c7/0xa00 [ 279.074022] ? __copy_skb_header+0x6b0/0x6b0 [ 279.078427] ? kmem_cache_alloc+0x306/0x730 [ 279.082750] skb_ensure_writable+0x3dd/0x640 [ 279.087175] ? skb_cow_data+0xf10/0xf10 [ 279.091145] ? check_preemption_disabled+0x48/0x200 [ 279.096158] ? __this_cpu_preempt_check+0x1c/0x1f [ 279.100995] ? __bpf_redirect+0x54b/0xb20 [ 279.105142] ? __switch_to_asm+0x34/0x70 [ 279.109215] bpf_clone_redirect+0x14a/0x490 [ 279.113537] bpf_prog_3d1649e183dc2cc1+0xca3/0x1000 [ 279.118549] ? __sched_text_start+0x8/0x8 [ 279.122699] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 279.127485] ? retint_kernel+0x2d/0x2d [ 279.131371] ? trace_hardirqs_on_caller+0xc0/0x310 [ 279.136310] ? retint_kernel+0x2d/0x2d [ 279.140211] ? trace_hardirqs_on_caller+0xc0/0x310 [ 279.145149] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 279.149902] ? trace_hardirqs_off+0x310/0x310 [ 279.154394] ? retint_kernel+0x1b/0x2d [ 279.158283] ? lock_acquire+0x1ed/0x520 [ 279.162264] ? bpf_test_run+0x3cb/0x780 [ 279.166252] ? lock_downgrade+0x900/0x900 [ 279.170396] ? lock_release+0x970/0x970 [ 279.174372] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 279.180177] ? preempt_schedule_common+0x1f/0xd0 [ 279.184946] ? preempt_schedule+0x4d/0x60 [ 279.189096] ? ___preempt_schedule+0x16/0x18 [ 279.193518] ? bpf_test_run+0x25d/0x780 [ 279.197495] ? netlink_diag_dump+0x2a0/0x2a0 [ 279.201901] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 279.207435] ? bpf_test_init.isra.9+0x70/0x100 [ 279.212018] ? bpf_prog_test_run_skb+0x634/0xb40 [ 279.216787] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 279.221627] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 279.227157] ? fput+0x130/0x1a0 [ 279.230467] ? __bpf_prog_get+0x9b/0x290 [ 279.234524] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 279.239365] ? bpf_prog_test_run+0x130/0x1a0 [ 279.243786] ? __x64_sys_bpf+0x3d8/0x510 [ 279.247844] ? bpf_prog_get+0x20/0x20 [ 279.251654] ? __x64_sys_futex+0x4bc/0x6a0 [ 279.255887] ? do_syscall_64+0x1b9/0x820 [ 279.259948] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 279.265314] ? syscall_return_slowpath+0x5e0/0x5e0 [ 279.270240] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 279.275093] ? trace_hardirqs_on_caller+0x310/0x310 [ 279.280104] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 279.285120] ? prepare_exit_to_usermode+0x291/0x3b0 [ 279.290141] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 279.294985] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 279.300363] warn_alloc_show_mem: 1 callbacks suppressed [ 279.300374] CPU: 1 PID: 5806 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #119 [ 279.300390] Mem-Info: [ 279.300417] active_anon:46475 inactive_anon:4207 isolated_anon:0 [ 279.300417] active_file:17 inactive_file:13 isolated_file:0 [ 279.300417] unevictable:0 dirty:0 writeback:0 unstable:0 [ 279.300417] slab_reclaimable:8782 slab_unreclaimable:1485678 [ 279.300417] mapped:8194 shmem:4214 pagetables:396 bounce:0 [ 279.300417] free:13756 free_pcp:276 free_cma:0 [ 279.305753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 279.312825] Node 0 active_anon:185900kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32776kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 279.315216] Call Trace: [ 279.348164] Node 0 [ 279.357504] [ 279.385270] 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 [ 279.387821] dump_stack+0x1c4/0x2b4 [ 279.390032] lowmem_reserve[]: [ 279.392181] ? dump_stack_print_info.cold.2+0x52/0x52 [ 279.417658] 0 [ 279.421285] warn_alloc.cold.119+0xb7/0x1bd [ 279.424358] 2819 [ 279.429540] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 279.431316] 6323 [ 279.435628] ? lock_downgrade+0x900/0x900 [ 279.437665] 6323 [ 279.442497] ? trace_hardirqs_off+0xb8/0x310 [ 279.448698] ? trace_hardirqs_off+0xb8/0x310 [ 279.450753] Node 0 [ 279.455159] __alloc_pages_slowpath+0x2667/0x2d80 [ 279.459565] DMA32 free:25168kB min:30060kB low:37572kB high:45084kB active_anon:10240kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 279.461815] ? warn_alloc+0x120/0x120 [ 279.466640] lowmem_reserve[]: [ 279.493874] ? warn_alloc+0x120/0x120 [ 279.497649] 0 [ 279.500744] ? warn_alloc+0x120/0x120 [ 279.504546] 0 [ 279.506341] ? mark_held_locks+0x130/0x130 [ 279.510113] 3503 [ 279.511908] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.516114] 3503 [ 279.518165] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 279.525790] ? should_fail+0x22d/0xd01 [ 279.531302] Node 0 Normal free:13948kB min:37352kB low:46688kB high:56024kB active_anon:175660kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5056kB pagetables:1584kB bounce:0kB free_pcp:856kB local_pcp:320kB free_cma:0kB [ 279.535211] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 279.535228] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 279.564259] lowmem_reserve[]: [ 279.569361] ? should_fail+0x22d/0xd01 [ 279.574871] 0 [ 279.577970] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 279.581831] 0 [ 279.583628] ? should_fail+0x22d/0xd01 [ 279.588702] 0 [ 279.590495] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 279.594352] 0 [ 279.596150] ? mark_held_locks+0x130/0x130 [ 279.603020] ? mark_held_locks+0x130/0x130 [ 279.607236] Node 0 [ 279.611476] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.611479] DMA: 1*4kB [ 279.613713] ? trace_hardirqs_off+0xb8/0x310 [ 279.619223] (U) [ 279.621819] ? kasan_check_read+0x11/0x20 [ 279.626199] 0*8kB [ 279.628181] ? do_raw_spin_unlock+0xa7/0x2f0 [ 279.632303] 0*16kB [ 279.634443] ? trace_hardirqs_on+0x310/0x310 [ 279.638841] 1*32kB [ 279.641089] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.645484] (U) [ 279.647727] ? wq_watchdog_touch+0x9c/0xfe [ 279.653297] 2*64kB [ 279.655271] ? io_serial_in+0x11/0x90 [ 279.659473] (U) [ 279.661704] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.665490] 1*128kB [ 279.667462] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 279.672968] (U) [ 279.675292] __alloc_pages_nodemask+0xa80/0xde0 [ 279.680387] 1*256kB [ 279.682357] ? should_fail+0x22d/0xd01 [ 279.687004] (U) [ 279.689336] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 279.693212] 0*512kB [ 279.695189] ? ____cache_alloc_node+0x1c7/0x1e0 [ 279.700171] 1*1024kB [ 279.702488] ? lock_downgrade+0x900/0x900 [ 279.707131] (U) [ 279.709548] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.713668] 1*2048kB [ 279.715636] cache_grow_begin+0x91/0x8c0 [ 279.721151] (M) [ 279.723555] ? do_raw_spin_unlock+0xa7/0x2f0 [ 279.727594] 3*4096kB [ 279.729561] fallback_alloc+0x203/0x2e0 [ 279.733939] (M) [ 279.736341] ____cache_alloc_node+0x1c7/0x1e0 [ 279.740296] = 15908kB [ 279.742263] kmem_cache_alloc_node+0xe3/0x730 [ 279.746758] Node 0 [ 279.749170] ? ipv6_get_ifaddr+0x42e/0x620 [ 279.753636] DMA32: [ 279.755869] __alloc_skb+0x119/0x770 [ 279.760077] 2*4kB [ 279.762306] ? skb_scrub_packet+0x490/0x490 [ 279.765990] (M) [ 279.768131] ? lock_downgrade+0x900/0x900 [ 279.772426] 1*8kB [ 279.774398] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.778518] (M) [ 279.780664] ? refcount_sub_and_test_checked+0x203/0x310 [ 279.786185] 2*16kB [ 279.788151] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 279.793587] (M) [ 279.795832] ? addrconf_rs_timer+0x690/0x690 [ 279.801260] 3*32kB [ 279.803234] ndisc_alloc_skb+0x144/0x340 [ 279.807615] (MH) [ 279.809851] ndisc_send_rs+0x331/0x6e0 [ 279.813887] 5*64kB [ 279.815939] addrconf_rs_timer+0x314/0x690 [ 279.819804] (MH) [ 279.822038] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 279.826246] 3*128kB [ 279.828310] call_timer_fn+0x272/0x920 [ 279.832513] (M) [ 279.834833] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 279.838696] 5*256kB [ 279.840665] ? process_timeout+0x40/0x40 [ 279.844871] (UMH) [ 279.847185] ? trace_hardirqs_off+0xb8/0x310 [ 279.851219] 5*512kB [ 279.853360] ? kasan_check_read+0x11/0x20 [ 279.857742] (UMH) [ 279.860067] ? do_raw_spin_unlock+0xa7/0x2f0 [ 279.864185] 4*1024kB [ 279.866328] ? trace_hardirqs_on+0x310/0x310 [ 279.870710] (UMH) [ 279.873133] ? __run_timers+0x7da/0xc70 [ 279.877519] 2*2048kB [ 279.879660] ? lock_downgrade+0x900/0x900 [ 279.883651] (M) [ 279.886068] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 279.890189] 3*4096kB [ 279.892156] ? trace_hardirqs_on+0xbd/0x310 [ 279.897245] (M) [ 279.899649] ? kasan_check_read+0x11/0x20 [ 279.903948] = 25168kB [ 279.905916] ? __run_timers+0x7da/0xc70 [ 279.910035] Node 0 [ 279.912441] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 279.916388] Normal: [ 279.918616] ? kasan_check_write+0x14/0x20 [ 279.924042] 1081*4kB [ 279.926357] ? do_raw_spin_lock+0xc1/0x200 [ 279.930562] (UMEH) [ 279.932974] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 279.937211] 387*8kB [ 279.939487] __run_timers+0x7e5/0xc70 [ 279.943709] (ME) [ 279.946030] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 279.949799] 152*16kB [ 279.951872] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 279.957208] (UME) [ 279.959611] ? timerqueue_add+0x207/0x2b0 [ 279.964603] 54*32kB [ 279.966741] ? enqueue_hrtimer+0x1a5/0x560 [ 279.970864] (UME) [ 279.973177] ? lock_release+0x970/0x970 [ 279.977386] 21*64kB [ 279.979533] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 279.983484] (UM) [ 279.985828] ? check_preemption_disabled+0x48/0x200 [ 279.990992] 0*128kB [ 279.993047] ? kasan_check_write+0x14/0x20 [ 279.998036] 0*256kB [ 280.000352] ? pvclock_read_flags+0x160/0x160 [ 280.004561] 2*512kB [ 280.006874] ? lock_downgrade+0x900/0x900 [ 280.011356] (U) [ 280.013690] ? trace_hardirqs_on+0xbd/0x310 [ 280.017852] 0*1024kB [ 280.019820] ? kvm_sched_clock_read+0x9/0x20 [ 280.024134] 0*2048kB [ 280.026550] ? irq_exit+0x17f/0x1c0 [ 280.030946] 0*4096kB [ 280.033352] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.036950] = 13948kB [ 280.039354] ? check_preemption_disabled+0x48/0x200 [ 280.044871] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 280.047272] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.052267] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 280.061120] run_timer_softirq+0x52/0xb0 [ 280.066628] 4244 total pagecache pages [ 280.075192] ? __this_cpu_preempt_check+0x1c/0x1f [ 280.079232] 0 pages in swap cache [ 280.083110] __do_softirq+0x30b/0xad8 [ 280.087944] Swap cache stats: add 0, delete 0, find 0/0 [ 280.091386] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 280.095158] Free swap = 0kB [ 280.100514] ? pvclock_read_flags+0x160/0x160 [ 280.105592] Total swap = 0kB [ 280.108636] ? lapic_next_event+0x5a/0x90 [ 280.113120] 1965979 pages RAM [ 280.116134] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.120255] 0 pages HighMem/MovableOnly [ 280.123372] ? clockevents_program_event+0x140/0x370 [ 280.128896] 342307 pages reserved [ 280.132862] ? kvm_clock_read+0x18/0x30 [ 280.137936] 0 pages cma reserved [ 280.141381] ? kvm_sched_clock_read+0x9/0x20 [ 280.145378] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 280.148682] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.148694] ? check_preemption_disabled+0x48/0x200 [ 280.148713] irq_exit+0x17f/0x1c0 [ 280.153137] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 280.159576] smp_apic_timer_interrupt+0x1cb/0x760 [ 280.165109] syz-executor2 cpuset= [ 280.170114] ? smp_reschedule_interrupt+0x109/0x650 [ 280.173544] syz2 [ 280.184018] ? smp_call_function_single_interrupt+0x650/0x650 [ 280.188837] mems_allowed=0 [ 280.192300] ? interrupt_entry+0xb5/0xf0 [ 280.212080] ? trace_hardirqs_off_caller+0xbb/0x310 [ 280.217120] ? trace_hardirqs_off_caller+0xbb/0x310 [ 280.222134] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 280.226974] ? trace_hardirqs_on_caller+0x310/0x310 [ 280.231984] ? trace_hardirqs_on_caller+0x310/0x310 [ 280.237000] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 280.242537] ? check_preemption_disabled+0x48/0x200 [ 280.247561] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 280.253126] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 280.257990] apic_timer_interrupt+0xf/0x20 [ 280.262211] [ 280.264476] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 280.269675] Code: 00 e8 97 f5 a3 f9 e8 d2 63 d3 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d 24 75 80 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d fa 74 [ 280.288573] RSP: 0000:ffff8801bbdd6150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 280.296280] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 280.303575] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe740 [ 280.310842] RBP: ffff8801bbdd6178 R08: ffff8801d838c080 R09: ffffed003b5e5979 [ 280.318106] R10: ffffed003b5e5979 R11: ffff8801daf2cbcb R12: dffffc0000000000 [ 280.325373] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 280.332647] ? trace_hardirqs_on+0x9a/0x310 [ 280.336966] ? trace_hardirqs_on+0xb4/0x310 [ 280.341309] retint_kernel+0x1b/0x2d [ 280.345021] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 280.350295] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 21 17 fa 48 83 3d 99 9c 86 01 00 75 07 e8 9a 7f d3 f9 0f 0b e8 93 7f d3 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 21 17 fa 4c 8b 45 d0 e9 [ 280.369193] RSP: 0000:ffff8801bbdd6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 280.376896] RAX: ffff8801d838c080 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 280.384164] RDX: 0000000000000000 RSI: ffffffff87ab55fd RDI: 0000000000000293 [ 280.391426] RBP: ffff8801bbdd6240 R08: ffff8801d838c080 R09: fffffbfff13d9700 [ 280.398694] R10: fffffbfff13d9700 R11: 0000000000000003 R12: 0000000000000293 [ 280.405958] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff8931f280 [ 280.413245] ? trace_hardirqs_on+0x9a/0x310 [ 280.417570] ? arch_local_irq_restore+0x45/0x52 [ 280.422237] dump_stack+0x26a/0x2b4 [ 280.425863] ? dump_stack_print_info.cold.2+0x52/0x52 [ 280.431054] ? mark_held_locks+0x130/0x130 [ 280.435289] ? mark_held_locks+0x130/0x130 [ 280.439563] dump_header+0x27b/0xf72 [ 280.443280] ? rcu_read_unlock+0x16/0x60 [ 280.447339] ? pagefault_out_of_memory+0x197/0x197 [ 280.452264] ? mark_held_locks+0x130/0x130 [ 280.456496] ? percpu_ref_put_many+0x13e/0x260 [ 280.461075] ? mem_cgroup_charge_statistics+0x780/0x780 [ 280.466441] ? mem_cgroup_iter+0x1f7/0x1160 [ 280.470761] ? mark_held_locks+0x130/0x130 [ 280.475005] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.480565] ? task_will_free_mem+0x239/0xb30 [ 280.485095] ? ___ratelimit+0x36f/0x655 [ 280.489100] ? lock_downgrade+0x900/0x900 [ 280.493291] ? trace_hardirqs_on+0xbd/0x310 [ 280.497609] ? kasan_check_read+0x11/0x20 [ 280.501750] ? ___ratelimit+0x36f/0x655 [ 280.505735] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 280.511192] ? trace_hardirqs_on+0x310/0x310 [ 280.515597] ? lock_downgrade+0x900/0x900 [ 280.519747] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 280.524899] ? ___ratelimit+0xaa/0x655 [ 280.528790] ? idr_get_free+0xec0/0xec0 [ 280.532797] ? kasan_check_write+0x14/0x20 [ 280.537066] ? do_raw_spin_lock+0xc1/0x200 [ 280.541309] oom_kill_process.cold.27+0x10/0x903 [ 280.546070] ? lock_downgrade+0x900/0x900 [ 280.550236] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 280.556031] ? oom_evaluate_task+0x540/0x540 [ 280.560443] ? shrink_node+0x16b0/0x16b0 [ 280.564501] ? oom_unkillable_task+0x383/0x580 [ 280.569081] ? out_of_memory+0x974/0x1430 [ 280.573243] ? lock_downgrade+0x900/0x900 [ 280.577393] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 280.583205] ? __cpuset_node_allowed+0x19b/0x660 [ 280.587961] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 280.593497] ? oom_evaluate_task+0x302/0x540 [ 280.597906] out_of_memory+0xa84/0x1430 [ 280.601886] ? oom_killer_disable+0x3a0/0x3a0 [ 280.606383] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 280.611310] ? __mutex_add_waiter+0x2a0/0x2a0 [ 280.615801] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 280.620813] ? find_next_bit+0x104/0x130 [ 280.624887] __alloc_pages_slowpath+0x2318/0x2d80 [ 280.629754] ? warn_alloc+0x120/0x120 [ 280.633566] ? __radix_tree_lookup+0x4c0/0x4c0 [ 280.638154] ? find_get_entry+0x2f2/0xc40 [ 280.642311] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 280.647253] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 280.652814] ? should_fail+0x22d/0xd01 [ 280.656701] ? ___might_sleep+0x1ed/0x300 [ 280.660853] ? lock_release+0x970/0x970 [ 280.664862] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 280.669983] ? debug_smp_processor_id+0x1c/0x20 [ 280.674654] ? __might_sleep+0x95/0x190 [ 280.678641] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 280.683496] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 280.688529] ? lock_downgrade+0x900/0x900 [ 280.692701] ? ___might_sleep+0x1ed/0x300 [ 280.696862] ? lock_release+0x970/0x970 [ 280.700833] ? arch_local_save_flags+0x40/0x40 [ 280.705415] ? finish_task_switch+0x1f5/0x900 [ 280.709921] ? __might_sleep+0x95/0x190 [ 280.713892] __alloc_pages_nodemask+0xa80/0xde0 [ 280.718586] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 280.723707] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 280.729504] ? kasan_check_write+0x14/0x20 [ 280.733738] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 280.738433] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.743970] ? __do_page_cache_readahead+0x7ce/0x980 [ 280.749079] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 280.754631] alloc_pages_current+0x10c/0x210 [ 280.759031] ? lock_downgrade+0x900/0x900 [ 280.763179] __page_cache_alloc+0x38f/0x5b0 [ 280.767498] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 280.773299] ? ext4_filemap_fault+0x82/0xad [ 280.777620] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 280.782293] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 280.787827] ? check_preemption_disabled+0x48/0x200 [ 280.792854] filemap_fault+0x1594/0x25f0 [ 280.796917] ? __lock_page_or_retry+0xa00/0xa00 [ 280.801595] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 280.807391] ? unwind_dump+0x190/0x190 [ 280.811291] ? is_bpf_text_address+0xd3/0x170 [ 280.815796] ? filemap_map_pages+0xdea/0x1980 [ 280.820302] ? find_get_pages_range_tag+0x1320/0x1320 [ 280.825505] ? save_stack+0xa9/0xd0 [ 280.829141] ? save_stack+0x43/0xd0 [ 280.832761] ? __kasan_slab_free+0x102/0x150 [ 280.837193] ? __sigqueue_free.part.27+0x7d/0xa0 [ 280.841958] ? __dequeue_signal+0x530/0x7d0 [ 280.846279] ? dequeue_signal+0x26c/0x630 [ 280.850426] ? get_signal+0x3ec/0x1980 [ 280.854306] ? do_signal+0x9c/0x21e0 [ 280.858024] ? exit_to_usermode_loop+0x2e5/0x380 [ 280.862791] ? mark_held_locks+0x130/0x130 [ 280.867024] ? trace_hardirqs_on+0x310/0x310 [ 280.871436] ? lock_acquire+0x1ed/0x520 [ 280.875407] ? ext4_filemap_fault+0x7a/0xad [ 280.879733] ? lock_release+0x970/0x970 [ 280.883713] ? arch_local_save_flags+0x40/0x40 [ 280.888306] ? mark_held_locks+0x130/0x130 [ 280.892538] ? trace_hardirqs_off+0xb8/0x310 [ 280.896963] ? down_read+0xb0/0x1d0 [ 280.900586] ? ext4_filemap_fault+0x7a/0xad [ 280.904921] ? __down_interruptible+0x700/0x700 [ 280.909591] ? kmem_cache_free+0x21a/0x290 [ 280.913828] ? __sigqueue_free.part.27+0x7d/0xa0 [ 280.918580] ? __dequeue_signal+0xf9/0x7d0 [ 280.922817] ext4_filemap_fault+0x82/0xad [ 280.926964] __do_fault+0x100/0x6b0 [ 280.930590] ? print_bad_pte+0x6c0/0x6c0 [ 280.934655] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 280.940191] ? pmd_val+0x88/0x100 [ 280.943645] ? add_mm_counter_fast+0xd0/0xd0 [ 280.948185] ? pmd_val+0x88/0x100 [ 280.951680] ? add_mm_counter_fast+0xd0/0xd0 [ 280.956151] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 280.961704] __handle_mm_fault+0x3709/0x53e0 [ 280.966134] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 280.970988] ? kasan_check_write+0x14/0x20 [ 280.975220] ? do_raw_spin_lock+0xc1/0x200 [ 280.979456] ? _raw_spin_unlock_irq+0x60/0x80 [ 280.983961] ? __set_current_blocked+0xe4/0x120 [ 280.988634] ? lock_acquire+0x1ed/0x520 [ 280.992614] ? handle_mm_fault+0x42a/0xc70 [ 280.996859] ? lock_downgrade+0x900/0x900 [ 281.001017] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 281.006828] ? __do_page_fault+0x67d/0xed0 [ 281.011061] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 281.016509] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 281.022046] ? check_preemption_disabled+0x48/0x200 [ 281.027067] handle_mm_fault+0x54f/0xc70 [ 281.031156] ? __handle_mm_fault+0x53e0/0x53e0 [ 281.035737] ? find_vma+0x34/0x190 [ 281.039291] __do_page_fault+0x67d/0xed0 [ 281.043354] ? mm_fault_error+0x380/0x380 [ 281.047520] ? syscall_slow_exit_work+0x520/0x520 [ 281.052365] do_page_fault+0xf2/0x7e0 [ 281.056163] ? vmalloc_sync_all+0x30/0x30 [ 281.060309] ? error_entry+0x70/0xd0 [ 281.064019] ? trace_hardirqs_off_caller+0xbb/0x310 [ 281.069030] ? trace_hardirqs_on_caller+0xc0/0x310 [ 281.073959] ? syscall_return_slowpath+0x5e0/0x5e0 [ 281.079355] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 281.084200] ? trace_hardirqs_on_caller+0x310/0x310 [ 281.089213] ? trace_hardirqs_off+0x310/0x310 [ 281.093710] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 281.098742] ? prepare_exit_to_usermode+0x291/0x3b0 [ 281.103762] ? page_fault+0x8/0x30 [ 281.107317] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 281.112158] ? page_fault+0x8/0x30 [ 281.115699] page_fault+0x1e/0x30 [ 281.119146] RIP: 0033:0x45db60 [ 281.122339] Code: Bad RIP value. [ 281.125697] RSP: 002b:000000c420049ab8 EFLAGS: 00010286 [ 281.131056] RAX: 0000000000000000 RBX: 000000c420026380 RCX: 000000000045ddf3 [ 281.138348] RDX: 000000c420049ac0 RSI: 000000c420049bf0 RDI: 0000000000000011 [ 281.145618] RBP: 000000c420022f08 R08: 0000000000000000 R09: 0000000000000000 [ 281.152897] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42005c168 [ 281.160170] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000 [ 281.167465] CPU: 0 PID: 7800 Comm: syz-executor2 Not tainted 4.19.0-rc6+ #119 [ 281.167527] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 281.174747] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 281.181297] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 281.190621] Call Trace: [ 281.200834] syz-fuzzer cpuset= [ 281.203398] [ 281.203400] / mems_allowed=0 [ 281.206606] dump_stack+0x1c4/0x2b4 [ 281.215348] ? dump_stack_print_info.cold.2+0x52/0x52 [ 281.220542] warn_alloc.cold.119+0xb7/0x1bd [ 281.224863] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 281.229708] ? lock_downgrade+0x900/0x900 [ 281.233876] ? trace_hardirqs_off+0xb8/0x310 [ 281.238285] ? trace_hardirqs_off+0xb8/0x310 [ 281.242696] __alloc_pages_slowpath+0x2667/0x2d80 [ 281.247566] ? warn_alloc+0x120/0x120 [ 281.251366] ? warn_alloc+0x120/0x120 [ 281.255163] ? warn_alloc+0x120/0x120 [ 281.258978] ? mark_held_locks+0x130/0x130 [ 281.263216] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.268748] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 281.274303] ? should_fail+0x22d/0xd01 [ 281.278193] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 281.283323] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 281.288869] ? should_fail+0x22d/0xd01 [ 281.292755] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 281.297864] ? should_fail+0x22d/0xd01 [ 281.301751] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 281.306867] ? mark_held_locks+0x130/0x130 [ 281.311099] ? mark_held_locks+0x130/0x130 [ 281.315329] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.320883] ? trace_hardirqs_off+0xb8/0x310 [ 281.325285] ? kasan_check_read+0x11/0x20 [ 281.329430] ? do_raw_spin_unlock+0xa7/0x2f0 [ 281.333835] ? trace_hardirqs_on+0x310/0x310 [ 281.338238] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.343784] ? wq_watchdog_touch+0x9c/0xfe [ 281.348015] ? io_serial_in+0x11/0x90 [ 281.351812] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.357363] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 281.362497] __alloc_pages_nodemask+0xa80/0xde0 [ 281.367164] ? should_fail+0x22d/0xd01 [ 281.371055] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 281.376082] ? ____cache_alloc_node+0x1c7/0x1e0 [ 281.380746] ? lock_downgrade+0x900/0x900 [ 281.384920] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.390457] cache_grow_begin+0x91/0x8c0 [ 281.394519] ? do_raw_spin_unlock+0xa7/0x2f0 [ 281.398931] fallback_alloc+0x203/0x2e0 [ 281.402910] ____cache_alloc_node+0x1c7/0x1e0 [ 281.407405] kmem_cache_alloc_node+0xe3/0x730 [ 281.411895] ? ipv6_get_ifaddr+0x42e/0x620 [ 281.416161] __alloc_skb+0x119/0x770 [ 281.419901] ? skb_scrub_packet+0x490/0x490 [ 281.424217] ? lock_downgrade+0x900/0x900 [ 281.428363] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.433896] ? refcount_sub_and_test_checked+0x203/0x310 [ 281.439350] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 281.444804] ? addrconf_rs_timer+0x690/0x690 [ 281.449214] ndisc_alloc_skb+0x144/0x340 [ 281.453273] ndisc_send_rs+0x331/0x6e0 [ 281.457161] addrconf_rs_timer+0x314/0x690 [ 281.461393] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.465629] call_timer_fn+0x272/0x920 [ 281.469507] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.473758] ? process_timeout+0x40/0x40 [ 281.477841] ? trace_hardirqs_off+0xb8/0x310 [ 281.482241] ? kasan_check_read+0x11/0x20 [ 281.486388] ? do_raw_spin_unlock+0xa7/0x2f0 [ 281.490799] ? trace_hardirqs_on+0x310/0x310 [ 281.495213] ? __run_timers+0x7da/0xc70 [ 281.499185] ? lock_downgrade+0x900/0x900 [ 281.503347] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 281.508459] ? trace_hardirqs_on+0xbd/0x310 [ 281.512796] ? kasan_check_read+0x11/0x20 [ 281.516941] ? __run_timers+0x7da/0xc70 [ 281.520931] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 281.526376] ? kasan_check_write+0x14/0x20 [ 281.530609] ? do_raw_spin_lock+0xc1/0x200 [ 281.534843] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.539072] __run_timers+0x7e5/0xc70 [ 281.542906] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 281.548262] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 281.553322] ? timerqueue_add+0x207/0x2b0 [ 281.557490] ? enqueue_hrtimer+0x1a5/0x560 [ 281.561742] ? lock_release+0x970/0x970 [ 281.565720] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 281.570911] ? kasan_check_write+0x14/0x20 [ 281.575147] ? pvclock_read_flags+0x160/0x160 [ 281.579647] ? lock_downgrade+0x900/0x900 [ 281.583824] ? trace_hardirqs_on+0xbd/0x310 [ 281.588141] ? kvm_sched_clock_read+0x9/0x20 [ 281.592550] ? irq_exit+0x17f/0x1c0 [ 281.596171] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.601738] ? check_preemption_disabled+0x48/0x200 [ 281.606758] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.612305] run_timer_softirq+0x52/0xb0 [ 281.616359] ? __this_cpu_preempt_check+0x1c/0x1f [ 281.621197] __do_softirq+0x30b/0xad8 [ 281.624997] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 281.630131] ? pvclock_read_flags+0x160/0x160 [ 281.634619] ? lapic_next_event+0x5a/0x90 [ 281.638785] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.644321] ? clockevents_program_event+0x140/0x370 [ 281.649421] ? kvm_clock_read+0x18/0x30 [ 281.653388] ? kvm_sched_clock_read+0x9/0x20 [ 281.657806] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.663335] ? check_preemption_disabled+0x48/0x200 [ 281.668377] irq_exit+0x17f/0x1c0 [ 281.671822] smp_apic_timer_interrupt+0x1cb/0x760 [ 281.676680] ? smp_reschedule_interrupt+0x109/0x650 [ 281.681689] ? smp_call_function_single_interrupt+0x650/0x650 [ 281.687572] ? interrupt_entry+0xb5/0xf0 [ 281.691632] ? trace_hardirqs_off_caller+0xbb/0x310 [ 281.696644] ? trace_hardirqs_off_caller+0xbb/0x310 [ 281.701655] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 281.706496] ? trace_hardirqs_on_caller+0x310/0x310 [ 281.711506] ? trace_hardirqs_on_caller+0x310/0x310 [ 281.716535] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.722072] ? check_preemption_disabled+0x48/0x200 [ 281.727094] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 281.731972] apic_timer_interrupt+0xf/0x20 [ 281.736193] [ 281.738426] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 281.744304] Code: 3f 7e 0f 85 32 ff ff ff e8 53 4a 3e ff e9 28 ff ff ff e8 ba ad c2 ff 48 83 3d 0a bf 6f 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 62 23 [ 281.763198] RSP: 0018:ffff88019a29f4a8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 281.770905] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000627e000 [ 281.778169] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 281.785432] RBP: ffff88019a29f520 R08: ffff8801ba14e480 R09: fffffbfff12720c0 [ 281.792697] R10: ffff88019a29e0f0 R11: ffffffff89390603 R12: ffff8801da800ac0 [ 281.799961] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286 [ 281.807236] ? trace_hardirqs_on+0xb4/0x310 [ 281.811558] ? save_stack+0xa9/0xd0 [ 281.815184] __kmalloc_node_track_caller+0x33/0x70 [ 281.820113] __kmalloc_reserve.isra.39+0xcc/0xe0 [ 281.824881] pskb_expand_head+0x230/0x10f0 [ 281.829123] ? lock_downgrade+0x900/0x900 [ 281.833290] ? check_preemption_disabled+0x48/0x200 [ 281.838300] ? memcpy+0x45/0x50 [ 281.841574] ? __copy_skb_header+0x350/0x6b0 [ 281.845979] ? __pskb_copy_fclone+0xeb0/0xeb0 [ 281.850468] ? skb_checksum+0x140/0x140 [ 281.854443] ? trace_hardirqs_on+0xbd/0x310 [ 281.858800] ? skb_clone+0x1bb/0x500 [ 281.862515] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 281.867966] ? kasan_unpoison_shadow+0x35/0x50 [ 281.872544] ? kasan_check_write+0x14/0x20 [ 281.876788] ? __skb_clone+0x6c7/0xa00 [ 281.880672] ? __copy_skb_header+0x6b0/0x6b0 [ 281.885077] ? kmem_cache_alloc+0x306/0x730 [ 281.889398] skb_ensure_writable+0x3dd/0x640 [ 281.893820] ? skb_cow_data+0xf10/0xf10 [ 281.897801] ? check_preemption_disabled+0x48/0x200 [ 281.902833] ? __this_cpu_preempt_check+0x1c/0x1f [ 281.907675] ? __bpf_redirect+0x54b/0xb20 [ 281.911819] ? __switch_to_asm+0x34/0x70 [ 281.915878] bpf_clone_redirect+0x14a/0x490 [ 281.920203] bpf_prog_3d1649e183dc2cc1+0xca3/0x1000 [ 281.925228] ? __sched_text_start+0x8/0x8 [ 281.929368] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 281.934119] ? retint_kernel+0x2d/0x2d [ 281.938004] ? trace_hardirqs_on_caller+0xc0/0x310 [ 281.942930] ? retint_kernel+0x2d/0x2d [ 281.946830] ? trace_hardirqs_on_caller+0xc0/0x310 [ 281.951755] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 281.956521] ? trace_hardirqs_off+0x310/0x310 [ 281.961009] ? retint_kernel+0x1b/0x2d [ 281.964912] ? lock_acquire+0x1ed/0x520 [ 281.968885] ? bpf_test_run+0x3cb/0x780 [ 281.972855] ? lock_downgrade+0x900/0x900 [ 281.977015] ? lock_release+0x970/0x970 [ 281.981010] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 281.986810] ? preempt_schedule_common+0x1f/0xd0 [ 281.991561] ? preempt_schedule+0x4d/0x60 [ 281.995705] ? ___preempt_schedule+0x16/0x18 [ 282.000114] ? bpf_test_run+0x25d/0x780 [ 282.004104] ? netlink_diag_dump+0x2a0/0x2a0 [ 282.008504] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 282.014037] ? bpf_test_init.isra.9+0x70/0x100 [ 282.018617] ? bpf_prog_test_run_skb+0x634/0xb40 [ 282.023375] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 282.028210] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 282.033740] ? fput+0x130/0x1a0 [ 282.037025] ? __bpf_prog_get+0x9b/0x290 [ 282.041084] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 282.045919] ? bpf_prog_test_run+0x130/0x1a0 [ 282.050323] ? __x64_sys_bpf+0x3d8/0x510 [ 282.054381] ? bpf_prog_get+0x20/0x20 [ 282.058187] ? __x64_sys_futex+0x4bc/0x6a0 [ 282.062426] ? do_syscall_64+0x1b9/0x820 [ 282.066504] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 282.071865] ? syscall_return_slowpath+0x5e0/0x5e0 [ 282.076797] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 282.081637] ? trace_hardirqs_on_caller+0x310/0x310 [ 282.086652] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 282.091669] ? prepare_exit_to_usermode+0x291/0x3b0 [ 282.096715] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 282.101562] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 282.106928] warn_alloc_show_mem: 1 callbacks suppressed [ 282.106939] CPU: 1 PID: 5806 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #119 [ 282.106941] Mem-Info: [ 282.106973] active_anon:46475 inactive_anon:4207 isolated_anon:0 [ 282.106973] active_file:17 inactive_file:13 isolated_file:0 [ 282.106973] unevictable:0 dirty:0 writeback:0 unstable:0 [ 282.106973] slab_reclaimable:8782 slab_unreclaimable:1485678 [ 282.106973] mapped:8194 shmem:4214 pagetables:396 bounce:0 [ 282.106973] free:13756 free_pcp:276 free_cma:0 [ 282.112320] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 282.119333] Node 0 active_anon:185900kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32776kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 282.121740] Call Trace: [ 282.154687] Node 0 [ 282.164044] [ 282.191820] 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 [ 282.194379] dump_stack+0x1c4/0x2b4 [ 282.196591] lowmem_reserve[]: [ 282.198738] ? dump_stack_print_info.cold.2+0x52/0x52 [ 282.224211] 0 [ 282.227833] warn_alloc.cold.119+0xb7/0x1bd [ 282.230908] 2819 [ 282.236086] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 282.237862] 6323 [ 282.242172] ? lock_downgrade+0x900/0x900 [ 282.244208] 6323 [ 282.249041] ? trace_hardirqs_off+0xb8/0x310 [ 282.255212] ? trace_hardirqs_off+0xb8/0x310 [ 282.257245] Node 0 [ 282.261647] __alloc_pages_slowpath+0x2667/0x2d80 [ 282.266064] DMA32 free:25168kB min:30060kB low:37572kB high:45084kB active_anon:10240kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 282.268284] ? warn_alloc+0x120/0x120 [ 282.273081] lowmem_reserve[]: [ 282.300313] ? trace_hardirqs_on+0x310/0x310 [ 282.304083] 0 [ 282.307190] ? warn_alloc+0x120/0x120 [ 282.311573] 0 [ 282.313379] ? warn_alloc+0x120/0x120 [ 282.317151] 3503 [ 282.318990] ? ktime_get+0x2e1/0x440 [ 282.322761] 3503 [ 282.324826] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.330561] ? check_preemption_disabled+0x48/0x200 [ 282.336069] Node 0 Normal free:13948kB min:37352kB low:46688kB high:56024kB active_anon:175660kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5056kB pagetables:1584kB bounce:0kB free_pcp:856kB local_pcp:320kB free_cma:0kB [ 282.341128] ? kasan_check_read+0x11/0x20 [ 282.341144] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 282.370435] lowmem_reserve[]: [ 282.374574] ? should_fail+0x22d/0xd01 [ 282.380083] 0 [ 282.383196] ? rcu_bh_qs+0xc0/0xc0 [ 282.387050] 0 [ 282.388847] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 282.392358] 0 [ 282.394153] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 282.399233] 0 [ 282.401028] ? should_fail+0x22d/0xd01 [ 282.408332] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 282.412189] Node 0 [ 282.417284] ? should_fail+0x22d/0xd01 [ 282.417287] DMA: 1*4kB [ 282.419558] ? rcu_idle_enter+0x4b0/0x4b0 [ 282.423421] (U) [ 282.426000] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 282.430125] 0*8kB [ 282.432092] ? mark_held_locks+0x130/0x130 [ 282.437167] 0*16kB [ 282.439309] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.443515] 1*32kB [ 282.445738] ? mark_held_locks+0x130/0x130 [ 282.451244] (U) [ 282.453481] ? rcu_irq_exit+0xce/0x100 [ 282.457706] 2*64kB [ 282.459686] ? irq_exit+0xbd/0x1c0 [ 282.463543] (U) [ 282.465778] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 282.469293] 1*128kB [ 282.471257] ? do_raw_spin_unlock+0xa7/0x2f0 [ 282.476241] (U) [ 282.478561] ? smp_call_function_single_interrupt+0x650/0x650 [ 282.482943] 1*256kB [ 282.484914] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.490775] (U) [ 282.493094] ? ret_from_intr+0xb/0x1e [ 282.498603] 0*512kB [ 282.500573] ? retint_kernel+0x2d/0x2d [ 282.504346] 1*1024kB [ 282.506676] ? trace_hardirqs_on_caller+0xc0/0x310 [ 282.510537] (U) [ 282.512943] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 282.517864] 1*2048kB [ 282.519832] ? trace_hardirqs_off+0x310/0x310 [ 282.524559] (M) [ 282.526963] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 282.531431] 3*4096kB [ 282.533425] __alloc_pages_nodemask+0xa80/0xde0 [ 282.538498] (M) [ 282.540897] ? should_fail+0x22d/0xd01 [ 282.545551] = 15908kB [ 282.547516] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 282.551376] Node 0 [ 282.553790] ? ____cache_alloc_node+0x1c7/0x1e0 [ 282.558791] DMA32: [ 282.561029] ? lock_downgrade+0x900/0x900 [ 282.565669] 2*4kB [ 282.567901] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.572018] (M) [ 282.574160] cache_grow_begin+0x91/0x8c0 [ 282.579666] 1*8kB [ 282.581631] ? do_raw_spin_unlock+0xa7/0x2f0 [ 282.585665] (M) [ 282.587804] fallback_alloc+0x203/0x2e0 [ 282.592185] 2*16kB [ 282.594149] ____cache_alloc_node+0x1c7/0x1e0 [ 282.598091] (M) [ 282.600320] kmem_cache_alloc_node+0xe3/0x730 [ 282.604795] 3*32kB [ 282.606761] ? ipv6_get_ifaddr+0x42e/0x620 [ 282.611238] (MH) [ 282.613465] __alloc_skb+0x119/0x770 [ 282.617678] 5*64kB [ 282.619733] ? skb_scrub_packet+0x490/0x490 [ 282.623421] (MH) [ 282.625646] ? lock_downgrade+0x900/0x900 [ 282.629937] 3*128kB [ 282.632008] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.636127] (M) [ 282.638445] ? refcount_sub_and_test_checked+0x203/0x310 [ 282.643952] 5*256kB [ 282.645922] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 282.651340] (UMH) [ 282.653649] ? addrconf_rs_timer+0x690/0x690 [ 282.659070] 5*512kB [ 282.661213] ndisc_alloc_skb+0x144/0x340 [ 282.665589] (UMH) [ 282.667902] ndisc_send_rs+0x331/0x6e0 [ 282.671953] 4*1024kB [ 282.674090] addrconf_rs_timer+0x314/0x690 [ 282.677962] (UMH) [ 282.680366] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 282.684572] 2*2048kB [ 282.686716] call_timer_fn+0x272/0x920 [ 282.690916] (M) [ 282.693318] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 282.697182] 3*4096kB [ 282.699149] ? process_timeout+0x40/0x40 [ 282.703354] (M) [ 282.705753] ? trace_hardirqs_off+0xb8/0x310 [ 282.709795] = 25168kB [ 282.711802] ? kasan_check_read+0x11/0x20 [ 282.716198] Node 0 [ 282.718601] ? do_raw_spin_unlock+0xa7/0x2f0 [ 282.722721] Normal: [ 282.724946] ? trace_hardirqs_on+0x310/0x310 [ 282.729327] 1081*4kB [ 282.731640] ? __run_timers+0x7da/0xc70 [ 282.736020] (UMEH) [ 282.738417] ? lock_downgrade+0x900/0x900 [ 282.742366] 387*8kB [ 282.744590] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 282.748708] (ME) [ 282.751023] ? trace_hardirqs_on+0xbd/0x310 [ 282.756097] 152*16kB [ 282.758146] ? kasan_check_read+0x11/0x20 [ 282.762437] (UME) [ 282.764841] ? __run_timers+0x7da/0xc70 [ 282.768965] 54*32kB [ 282.771123] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 282.775081] (UME) [ 282.777410] ? kasan_check_write+0x14/0x20 [ 282.782834] 21*64kB [ 282.784973] ? do_raw_spin_lock+0xc1/0x200 [ 282.789178] (UM) [ 282.791494] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 282.795703] 0*128kB [ 282.797759] __run_timers+0x7e5/0xc70 [ 282.801978] 0*256kB [ 282.804302] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 282.808070] 2*512kB [ 282.810388] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 282.815720] (U) [ 282.818032] ? timerqueue_add+0x207/0x2b0 [ 282.823036] 0*1024kB [ 282.825021] ? enqueue_hrtimer+0x1a5/0x560 [ 282.829161] 0*2048kB [ 282.831561] ? lock_release+0x970/0x970 [ 282.835773] 0*4096kB [ 282.838178] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 282.842127] = 13948kB [ 282.844525] ? check_preemption_disabled+0x48/0x200 [ 282.849692] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 282.852087] ? kasan_check_write+0x14/0x20 [ 282.857083] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 282.865916] ? pvclock_read_flags+0x160/0x160 [ 282.870121] 4244 total pagecache pages [ 282.878713] ? lock_downgrade+0x900/0x900 [ 282.883181] 0 pages in swap cache [ 282.887057] ? trace_hardirqs_on+0xbd/0x310 [ 282.891178] Swap cache stats: add 0, delete 0, find 0/0 [ 282.894617] ? kvm_sched_clock_read+0x9/0x20 [ 282.898913] Free swap = 0kB [ 282.904285] ? irq_exit+0x17f/0x1c0 [ 282.908663] Total swap = 0kB [ 282.911673] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.915274] 1965979 pages RAM [ 282.918287] ? check_preemption_disabled+0x48/0x200 [ 282.923798] 0 pages HighMem/MovableOnly [ 282.926898] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.931886] 342307 pages reserved [ 282.935852] run_timer_softirq+0x52/0xb0 [ 282.941372] 0 pages cma reserved [ 282.944814] ? __this_cpu_preempt_check+0x1c/0x1f [ 282.949346] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 282.952654] __do_softirq+0x30b/0xad8 [ 282.957533] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 282.963968] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 282.967742] syz-executor2 cpuset= [ 282.978221] ? pvclock_read_flags+0x160/0x160 [ 282.983298] syz2 [ 282.986743] ? lapic_next_event+0x5a/0x90 [ 282.991209] mems_allowed=0 [ 282.993190] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.005748] ? clockevents_program_event+0x140/0x370 [ 283.010875] ? kvm_clock_read+0x18/0x30 [ 283.014859] ? kvm_sched_clock_read+0x9/0x20 [ 283.019269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.024808] ? check_preemption_disabled+0x48/0x200 [ 283.029840] irq_exit+0x17f/0x1c0 [ 283.033304] smp_apic_timer_interrupt+0x1cb/0x760 [ 283.038143] ? smp_reschedule_interrupt+0x109/0x650 [ 283.043154] ? smp_call_function_single_interrupt+0x650/0x650 [ 283.049032] ? interrupt_entry+0xb5/0xf0 [ 283.053095] ? trace_hardirqs_off_caller+0xbb/0x310 [ 283.058108] ? trace_hardirqs_off_caller+0xbb/0x310 [ 283.063126] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 283.067983] ? trace_hardirqs_on_caller+0x310/0x310 [ 283.073007] ? trace_hardirqs_on_caller+0x310/0x310 [ 283.078474] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 283.084010] ? check_preemption_disabled+0x48/0x200 [ 283.089026] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 283.094565] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 283.099414] apic_timer_interrupt+0xf/0x20 [ 283.103637] [ 283.105889] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 283.111085] Code: 00 e8 97 f5 a3 f9 e8 d2 63 d3 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d 24 75 80 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d fa 74 [ 283.129978] RSP: 0000:ffff8801bbdd6150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 283.137683] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 283.144947] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe740 [ 283.152210] RBP: ffff8801bbdd6178 R08: ffff8801d838c080 R09: ffffed003b5e5979 [ 283.159477] R10: ffffed003b5e5979 R11: ffff8801daf2cbcb R12: dffffc0000000000 [ 283.166740] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 283.174018] ? trace_hardirqs_on+0x9a/0x310 [ 283.178336] ? trace_hardirqs_on+0xb4/0x310 [ 283.182664] retint_kernel+0x1b/0x2d [ 283.186387] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 283.191674] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 21 17 fa 48 83 3d 99 9c 86 01 00 75 07 e8 9a 7f d3 f9 0f 0b e8 93 7f d3 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 21 17 fa 4c 8b 45 d0 e9 [ 283.210568] RSP: 0000:ffff8801bbdd6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 283.218271] RAX: ffff8801d838c080 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 283.225538] RDX: 0000000000000000 RSI: ffffffff87ab55fd RDI: 0000000000000293 [ 283.232803] RBP: ffff8801bbdd6240 R08: ffff8801d838c080 R09: fffffbfff13d9700 [ 283.240064] R10: fffffbfff13d9700 R11: 0000000000000003 R12: 0000000000000293 [ 283.247344] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff8931f280 [ 283.254614] ? trace_hardirqs_on+0x9a/0x310 [ 283.258935] ? arch_local_irq_restore+0x45/0x52 [ 283.263619] dump_stack+0x26a/0x2b4 [ 283.267243] ? dump_stack_print_info.cold.2+0x52/0x52 [ 283.272443] ? mark_held_locks+0x130/0x130 [ 283.276690] ? mark_held_locks+0x130/0x130 [ 283.280931] dump_header+0x27b/0xf72 [ 283.284648] ? rcu_read_unlock+0x16/0x60 [ 283.288712] ? pagefault_out_of_memory+0x197/0x197 [ 283.293639] ? mark_held_locks+0x130/0x130 [ 283.297871] ? percpu_ref_put_many+0x13e/0x260 [ 283.302449] ? mem_cgroup_charge_statistics+0x780/0x780 [ 283.307844] ? mem_cgroup_iter+0x1f7/0x1160 [ 283.312172] ? mark_held_locks+0x130/0x130 [ 283.316404] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.321940] ? task_will_free_mem+0x239/0xb30 [ 283.326440] ? ___ratelimit+0x36f/0x655 [ 283.330413] ? lock_downgrade+0x900/0x900 [ 283.334562] ? trace_hardirqs_on+0xbd/0x310 [ 283.338879] ? kasan_check_read+0x11/0x20 [ 283.343022] ? ___ratelimit+0x36f/0x655 [ 283.347008] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 283.352460] ? trace_hardirqs_on+0x310/0x310 [ 283.356869] ? lock_downgrade+0x900/0x900 [ 283.361016] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 283.366112] ? ___ratelimit+0xaa/0x655 [ 283.370013] ? idr_get_free+0xec0/0xec0 [ 283.373997] ? kasan_check_write+0x14/0x20 [ 283.378232] ? do_raw_spin_lock+0xc1/0x200 [ 283.382469] oom_kill_process.cold.27+0x10/0x903 [ 283.387223] ? lock_downgrade+0x900/0x900 [ 283.391370] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 283.397177] ? oom_evaluate_task+0x540/0x540 [ 283.401626] ? shrink_node+0x16b0/0x16b0 [ 283.405683] ? oom_unkillable_task+0x383/0x580 [ 283.410261] ? out_of_memory+0x974/0x1430 [ 283.414409] ? lock_downgrade+0x900/0x900 [ 283.418559] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 283.424371] ? __cpuset_node_allowed+0x19b/0x660 [ 283.429153] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 283.434684] ? oom_evaluate_task+0x302/0x540 [ 283.439102] out_of_memory+0xa84/0x1430 [ 283.443091] ? oom_killer_disable+0x3a0/0x3a0 [ 283.447596] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 283.452525] ? __mutex_add_waiter+0x2a0/0x2a0 [ 283.457033] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 283.462043] ? find_next_bit+0x104/0x130 [ 283.466118] __alloc_pages_slowpath+0x2318/0x2d80 [ 283.470972] ? warn_alloc+0x120/0x120 [ 283.474779] ? __radix_tree_lookup+0x4c0/0x4c0 [ 283.479405] ? find_get_entry+0x2f2/0xc40 [ 283.483557] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 283.488480] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 283.494012] ? should_fail+0x22d/0xd01 [ 283.497908] ? ___might_sleep+0x1ed/0x300 [ 283.502050] ? lock_release+0x970/0x970 [ 283.506028] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 283.511142] ? debug_smp_processor_id+0x1c/0x20 [ 283.515811] ? __might_sleep+0x95/0x190 [ 283.519823] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 283.524668] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 283.529705] ? lock_downgrade+0x900/0x900 [ 283.533853] ? ___might_sleep+0x1ed/0x300 [ 283.537996] ? lock_release+0x970/0x970 [ 283.541968] ? arch_local_save_flags+0x40/0x40 [ 283.546553] ? finish_task_switch+0x1f5/0x900 [ 283.551065] ? __might_sleep+0x95/0x190 [ 283.555038] __alloc_pages_nodemask+0xa80/0xde0 [ 283.559703] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 283.564712] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 283.570501] ? kasan_check_write+0x14/0x20 [ 283.574729] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 283.579406] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.584956] ? __do_page_cache_readahead+0x7ce/0x980 [ 283.590063] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 283.595595] alloc_pages_current+0x10c/0x210 [ 283.600020] ? lock_downgrade+0x900/0x900 [ 283.604167] __page_cache_alloc+0x38f/0x5b0 [ 283.608501] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 283.614302] ? ext4_filemap_fault+0x82/0xad [ 283.618633] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 283.623300] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 283.628831] ? check_preemption_disabled+0x48/0x200 [ 283.633860] filemap_fault+0x1594/0x25f0 [ 283.637938] ? __lock_page_or_retry+0xa00/0xa00 [ 283.642603] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 283.648399] ? unwind_dump+0x190/0x190 [ 283.652319] ? is_bpf_text_address+0xd3/0x170 [ 283.656815] ? filemap_map_pages+0xdea/0x1980 [ 283.661323] ? find_get_pages_range_tag+0x1320/0x1320 [ 283.666508] ? save_stack+0xa9/0xd0 [ 283.670146] ? save_stack+0x43/0xd0 [ 283.673765] ? __kasan_slab_free+0x102/0x150 [ 283.678180] ? __sigqueue_free.part.27+0x7d/0xa0 [ 283.682928] ? __dequeue_signal+0x530/0x7d0 [ 283.687260] ? dequeue_signal+0x26c/0x630 [ 283.691408] ? get_signal+0x3ec/0x1980 [ 283.695301] ? do_signal+0x9c/0x21e0 [ 283.699020] ? exit_to_usermode_loop+0x2e5/0x380 [ 283.703789] ? mark_held_locks+0x130/0x130 [ 283.708023] ? trace_hardirqs_on+0x310/0x310 [ 283.712434] ? lock_acquire+0x1ed/0x520 [ 283.716403] ? ext4_filemap_fault+0x7a/0xad [ 283.720748] ? lock_release+0x970/0x970 [ 283.724725] ? arch_local_save_flags+0x40/0x40 [ 283.729309] ? mark_held_locks+0x130/0x130 [ 283.733537] ? trace_hardirqs_off+0xb8/0x310 [ 283.737948] ? down_read+0xb0/0x1d0 [ 283.741588] ? ext4_filemap_fault+0x7a/0xad [ 283.745903] ? __down_interruptible+0x700/0x700 [ 283.750567] ? kmem_cache_free+0x21a/0x290 [ 283.754809] ? __sigqueue_free.part.27+0x7d/0xa0 [ 283.759564] ? __dequeue_signal+0xf9/0x7d0 [ 283.763823] ext4_filemap_fault+0x82/0xad [ 283.767987] __do_fault+0x100/0x6b0 [ 283.771614] ? print_bad_pte+0x6c0/0x6c0 [ 283.775674] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 283.781206] ? pmd_val+0x88/0x100 [ 283.784691] ? add_mm_counter_fast+0xd0/0xd0 [ 283.789114] ? pmd_val+0x88/0x100 [ 283.792591] ? add_mm_counter_fast+0xd0/0xd0 [ 283.797015] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 283.802557] __handle_mm_fault+0x3709/0x53e0 [ 283.806967] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 283.811828] ? kasan_check_write+0x14/0x20 [ 283.816060] ? do_raw_spin_lock+0xc1/0x200 [ 283.820299] ? _raw_spin_unlock_irq+0x60/0x80 [ 283.824808] ? __set_current_blocked+0xe4/0x120 [ 283.829480] ? lock_acquire+0x1ed/0x520 [ 283.833453] ? handle_mm_fault+0x42a/0xc70 [ 283.837686] ? lock_downgrade+0x900/0x900 [ 283.841847] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 283.847644] ? __do_page_fault+0x67d/0xed0 [ 283.851876] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 283.857340] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 283.862876] ? check_preemption_disabled+0x48/0x200 [ 283.867908] handle_mm_fault+0x54f/0xc70 [ 283.871969] ? __handle_mm_fault+0x53e0/0x53e0 [ 283.876553] ? find_vma+0x34/0x190 [ 283.880090] __do_page_fault+0x67d/0xed0 [ 283.884151] ? mm_fault_error+0x380/0x380 [ 283.888309] ? syscall_slow_exit_work+0x520/0x520 [ 283.893151] do_page_fault+0xf2/0x7e0 [ 283.896967] ? vmalloc_sync_all+0x30/0x30 [ 283.901114] ? error_entry+0x70/0xd0 [ 283.904856] ? trace_hardirqs_off_caller+0xbb/0x310 [ 283.909869] ? trace_hardirqs_on_caller+0xc0/0x310 [ 283.914804] ? syscall_return_slowpath+0x5e0/0x5e0 [ 283.919724] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 283.924561] ? trace_hardirqs_on_caller+0x310/0x310 [ 283.929572] ? trace_hardirqs_off+0x310/0x310 [ 283.934063] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 283.939076] ? prepare_exit_to_usermode+0x291/0x3b0 [ 283.944086] ? page_fault+0x8/0x30 [ 283.947653] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 283.952493] ? page_fault+0x8/0x30 [ 283.956031] page_fault+0x1e/0x30 [ 283.959483] RIP: 0033:0x45db60 [ 283.962675] Code: Bad RIP value. [ 283.966036] RSP: 002b:000000c420049ab8 EFLAGS: 00010286 [ 283.971399] RAX: 0000000000000000 RBX: 000000c420026380 RCX: 000000000045ddf3 [ 283.978747] RDX: 000000c420049ac0 RSI: 000000c420049bf0 RDI: 0000000000000011 [ 283.986030] RBP: 000000c420022f08 R08: 0000000000000000 R09: 0000000000000000 [ 283.993299] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42005c168 [ 284.000561] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000 [ 284.007844] CPU: 0 PID: 7800 Comm: syz-executor2 Not tainted 4.19.0-rc6+ #119 [ 284.007890] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 284.015125] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 284.021671] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 284.030953] Call Trace: [ 284.041164] syz-fuzzer cpuset= [ 284.043729] [ 284.043731] / mems_allowed=0 [ 284.046931] dump_stack+0x1c4/0x2b4 [ 284.055689] ? dump_stack_print_info.cold.2+0x52/0x52 [ 284.060892] warn_alloc.cold.119+0xb7/0x1bd [ 284.065231] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 284.070076] ? lock_downgrade+0x900/0x900 [ 284.074225] ? trace_hardirqs_off+0xb8/0x310 [ 284.078636] ? trace_hardirqs_off+0xb8/0x310 [ 284.083063] __alloc_pages_slowpath+0x2667/0x2d80 [ 284.087920] ? warn_alloc+0x120/0x120 [ 284.091715] ? trace_hardirqs_on+0x310/0x310 [ 284.096124] ? warn_alloc+0x120/0x120 [ 284.099950] ? warn_alloc+0x120/0x120 [ 284.103750] ? ktime_get+0x2e1/0x440 [ 284.107481] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.113014] ? check_preemption_disabled+0x48/0x200 [ 284.118035] ? kasan_check_read+0x11/0x20 [ 284.122182] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 284.127715] ? should_fail+0x22d/0xd01 [ 284.131600] ? rcu_bh_qs+0xc0/0xc0 [ 284.135141] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 284.140249] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 284.145793] ? should_fail+0x22d/0xd01 [ 284.149684] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 284.154792] ? should_fail+0x22d/0xd01 [ 284.158679] ? rcu_idle_enter+0x4b0/0x4b0 [ 284.162825] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 284.167941] ? mark_held_locks+0x130/0x130 [ 284.172172] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.177707] ? mark_held_locks+0x130/0x130 [ 284.181961] ? rcu_irq_exit+0xce/0x100 [ 284.185848] ? irq_exit+0xbd/0x1c0 [ 284.189384] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 284.194410] ? do_raw_spin_unlock+0xa7/0x2f0 [ 284.198817] ? smp_call_function_single_interrupt+0x650/0x650 [ 284.204694] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.210238] ? ret_from_intr+0xb/0x1e [ 284.214036] ? retint_kernel+0x2d/0x2d [ 284.217919] ? trace_hardirqs_on_caller+0xc0/0x310 [ 284.222844] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 284.227594] ? trace_hardirqs_off+0x310/0x310 [ 284.232099] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 284.237203] __alloc_pages_nodemask+0xa80/0xde0 [ 284.241899] ? should_fail+0x22d/0xd01 [ 284.245796] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 284.250823] ? ____cache_alloc_node+0x1c7/0x1e0 [ 284.255489] ? lock_downgrade+0x900/0x900 [ 284.259635] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.265167] cache_grow_begin+0x91/0x8c0 [ 284.269250] ? do_raw_spin_unlock+0xa7/0x2f0 [ 284.273656] fallback_alloc+0x203/0x2e0 [ 284.277638] ____cache_alloc_node+0x1c7/0x1e0 [ 284.282136] kmem_cache_alloc_node+0xe3/0x730 [ 284.286638] ? ipv6_get_ifaddr+0x42e/0x620 [ 284.290894] __alloc_skb+0x119/0x770 [ 284.294609] ? skb_scrub_packet+0x490/0x490 [ 284.298928] ? lock_downgrade+0x900/0x900 [ 284.303079] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.308619] ? refcount_sub_and_test_checked+0x203/0x310 [ 284.314070] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 284.319517] ? addrconf_rs_timer+0x690/0x690 [ 284.323955] ndisc_alloc_skb+0x144/0x340 [ 284.328034] ndisc_send_rs+0x331/0x6e0 [ 284.331918] addrconf_rs_timer+0x314/0x690 [ 284.336150] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.340385] call_timer_fn+0x272/0x920 [ 284.344265] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.348501] ? process_timeout+0x40/0x40 [ 284.352563] ? trace_hardirqs_off+0xb8/0x310 [ 284.356966] ? kasan_check_read+0x11/0x20 [ 284.361124] ? do_raw_spin_unlock+0xa7/0x2f0 [ 284.365572] ? trace_hardirqs_on+0x310/0x310 [ 284.369993] ? __run_timers+0x7da/0xc70 [ 284.373982] ? lock_downgrade+0x900/0x900 [ 284.378127] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 284.383229] ? trace_hardirqs_on+0xbd/0x310 [ 284.387558] ? kasan_check_read+0x11/0x20 [ 284.391716] ? __run_timers+0x7da/0xc70 [ 284.395685] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 284.401129] ? kasan_check_write+0x14/0x20 [ 284.405363] ? do_raw_spin_lock+0xc1/0x200 [ 284.409597] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.413826] __run_timers+0x7e5/0xc70 [ 284.417646] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 284.423004] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 284.428045] ? timerqueue_add+0x207/0x2b0 [ 284.432195] ? enqueue_hrtimer+0x1a5/0x560 [ 284.436424] ? lock_release+0x970/0x970 [ 284.440396] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 284.445584] ? kasan_check_write+0x14/0x20 [ 284.449839] ? pvclock_read_flags+0x160/0x160 [ 284.454379] ? lock_downgrade+0x900/0x900 [ 284.458527] ? trace_hardirqs_on+0xbd/0x310 [ 284.462846] ? kvm_sched_clock_read+0x9/0x20 [ 284.467252] ? irq_exit+0x17f/0x1c0 [ 284.470876] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.476411] ? check_preemption_disabled+0x48/0x200 [ 284.481421] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.486955] run_timer_softirq+0x52/0xb0 [ 284.491023] ? __this_cpu_preempt_check+0x1c/0x1f [ 284.495874] __do_softirq+0x30b/0xad8 [ 284.499677] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 284.504787] ? pvclock_read_flags+0x160/0x160 [ 284.509311] ? lapic_next_event+0x5a/0x90 [ 284.513453] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.518989] ? clockevents_program_event+0x140/0x370 [ 284.524089] ? kvm_clock_read+0x18/0x30 [ 284.528055] ? kvm_sched_clock_read+0x9/0x20 [ 284.532459] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.537992] ? check_preemption_disabled+0x48/0x200 [ 284.543010] irq_exit+0x17f/0x1c0 [ 284.546456] smp_apic_timer_interrupt+0x1cb/0x760 [ 284.551316] ? smp_reschedule_interrupt+0x109/0x650 [ 284.556328] ? smp_call_function_single_interrupt+0x650/0x650 [ 284.562206] ? interrupt_entry+0xb5/0xf0 [ 284.566269] ? trace_hardirqs_off_caller+0xbb/0x310 [ 284.571285] ? trace_hardirqs_off_caller+0xbb/0x310 [ 284.576300] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 284.581142] ? trace_hardirqs_on_caller+0x310/0x310 [ 284.586154] ? trace_hardirqs_on_caller+0x310/0x310 [ 284.591168] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.596712] ? check_preemption_disabled+0x48/0x200 [ 284.601728] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 284.606594] apic_timer_interrupt+0xf/0x20 [ 284.610822] [ 284.613077] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 284.618956] Code: 3f 7e 0f 85 32 ff ff ff e8 53 4a 3e ff e9 28 ff ff ff e8 ba ad c2 ff 48 83 3d 0a bf 6f 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 62 23 [ 284.637864] RSP: 0018:ffff88019a29f4a8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 284.645573] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000627e000 [ 284.652849] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 284.660110] RBP: ffff88019a29f520 R08: ffff8801ba14e480 R09: fffffbfff12720c0 [ 284.667371] R10: ffff88019a29e0f0 R11: ffffffff89390603 R12: ffff8801da800ac0 [ 284.674633] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286 [ 284.681904] ? trace_hardirqs_on+0xb4/0x310 [ 284.686224] ? save_stack+0xa9/0xd0 [ 284.689868] __kmalloc_node_track_caller+0x33/0x70 [ 284.694808] __kmalloc_reserve.isra.39+0xcc/0xe0 [ 284.699564] pskb_expand_head+0x230/0x10f0 [ 284.703802] ? lock_downgrade+0x900/0x900 [ 284.707943] ? check_preemption_disabled+0x48/0x200 [ 284.712983] ? memcpy+0x45/0x50 [ 284.716287] ? __copy_skb_header+0x350/0x6b0 [ 284.720690] ? __pskb_copy_fclone+0xeb0/0xeb0 [ 284.725183] ? skb_checksum+0x140/0x140 [ 284.729171] ? trace_hardirqs_on+0xbd/0x310 [ 284.733501] ? skb_clone+0x1bb/0x500 [ 284.737208] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 284.742652] ? kasan_unpoison_shadow+0x35/0x50 [ 284.747233] ? kasan_check_write+0x14/0x20 [ 284.751459] ? __skb_clone+0x6c7/0xa00 [ 284.755343] ? __copy_skb_header+0x6b0/0x6b0 [ 284.759744] ? kmem_cache_alloc+0x306/0x730 [ 284.764078] skb_ensure_writable+0x3dd/0x640 [ 284.768483] ? skb_cow_data+0xf10/0xf10 [ 284.772450] ? check_preemption_disabled+0x48/0x200 [ 284.777460] ? __this_cpu_preempt_check+0x1c/0x1f [ 284.782298] ? __bpf_redirect+0x54b/0xb20 [ 284.786457] ? __switch_to_asm+0x34/0x70 [ 284.790533] bpf_clone_redirect+0x14a/0x490 [ 284.794857] bpf_prog_3d1649e183dc2cc1+0xca3/0x1000 [ 284.799872] ? __sched_text_start+0x8/0x8 [ 284.804063] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 284.808814] ? retint_kernel+0x2d/0x2d [ 284.812714] ? trace_hardirqs_on_caller+0xc0/0x310 [ 284.817638] ? retint_kernel+0x2d/0x2d [ 284.821521] ? trace_hardirqs_on_caller+0xc0/0x310 [ 284.826445] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 284.831197] ? trace_hardirqs_off+0x310/0x310 [ 284.835688] ? retint_kernel+0x1b/0x2d [ 284.839601] ? lock_acquire+0x1ed/0x520 [ 284.843573] ? bpf_test_run+0x3cb/0x780 [ 284.847544] ? lock_downgrade+0x900/0x900 [ 284.851688] ? lock_release+0x970/0x970 [ 284.855657] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 284.861452] ? preempt_schedule_common+0x1f/0xd0 [ 284.866203] ? preempt_schedule+0x4d/0x60 [ 284.870347] ? ___preempt_schedule+0x16/0x18 [ 284.874750] ? bpf_test_run+0x25d/0x780 [ 284.878735] ? netlink_diag_dump+0x2a0/0x2a0 [ 284.883140] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 284.888668] ? bpf_test_init.isra.9+0x70/0x100 [ 284.893249] ? bpf_prog_test_run_skb+0x634/0xb40 [ 284.898003] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 284.902844] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 284.908373] ? fput+0x130/0x1a0 [ 284.911682] ? __bpf_prog_get+0x9b/0x290 [ 284.915744] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 284.920591] ? bpf_prog_test_run+0x130/0x1a0 [ 284.925010] ? __x64_sys_bpf+0x3d8/0x510 [ 284.929080] ? bpf_prog_get+0x20/0x20 [ 284.932886] ? __x64_sys_futex+0x4bc/0x6a0 [ 284.937117] ? do_syscall_64+0x1b9/0x820 [ 284.941176] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 284.946669] ? syscall_return_slowpath+0x5e0/0x5e0 [ 284.951594] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 284.956435] ? trace_hardirqs_on_caller+0x310/0x310 [ 284.961477] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 284.966510] ? prepare_exit_to_usermode+0x291/0x3b0 [ 284.971531] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 284.976373] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 284.981742] warn_alloc_show_mem: 1 callbacks suppressed [ 284.981753] CPU: 1 PID: 5806 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #119 [ 284.981755] Mem-Info: [ 284.981799] active_anon:46475 inactive_anon:4207 isolated_anon:0 [ 284.981799] active_file:17 inactive_file:13 isolated_file:0 [ 284.981799] unevictable:0 dirty:0 writeback:0 unstable:0 [ 284.981799] slab_reclaimable:8782 slab_unreclaimable:1485678 [ 284.981799] mapped:8194 shmem:4214 pagetables:396 bounce:0 [ 284.981799] free:13756 free_pcp:276 free_cma:0 [ 284.987131] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 284.994147] Node 0 active_anon:185900kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32776kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 284.996541] Call Trace: [ 285.029489] Node 0 [ 285.038842] [ 285.066621] 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 [ 285.069175] dump_stack+0x1c4/0x2b4 [ 285.071385] lowmem_reserve[]: [ 285.073533] ? dump_stack_print_info.cold.2+0x52/0x52 [ 285.099191] 0 2819 [ 285.102846] warn_alloc.cold.119+0xb7/0x1bd [ 285.105938] 6323 [ 285.111122] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 285.113331] 6323 [ 285.117663] ? lock_downgrade+0x900/0x900 [ 285.124536] ? trace_hardirqs_off+0xb8/0x310 [ 285.126574] Node 0 [ 285.130712] ? trace_hardirqs_off+0xb8/0x310 [ 285.135124] DMA32 free:25168kB min:30060kB low:37572kB high:45084kB active_anon:10240kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 285.137330] __alloc_pages_slowpath+0x2667/0x2d80 [ 285.141708] lowmem_reserve[]: [ 285.168977] ? warn_alloc+0x120/0x120 [ 285.173795] 0 [ 285.176911] ? trace_hardirqs_on+0x310/0x310 [ 285.180682] 0 [ 285.182477] ? warn_alloc+0x120/0x120 [ 285.186859] 3503 [ 285.188656] ? warn_alloc+0x120/0x120 [ 285.192431] 3503 [ 285.194483] ? ktime_get+0x2e1/0x440 [ 285.200336] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.204028] Node 0 [ 285.209565] ? check_preemption_disabled+0x48/0x200 [ 285.209599] Normal free:13948kB min:37352kB low:46688kB high:56024kB active_anon:175660kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5056kB pagetables:1584kB bounce:0kB free_pcp:856kB local_pcp:320kB free_cma:0kB [ 285.211807] ? kasan_check_read+0x11/0x20 [ 285.216823] lowmem_reserve[]: [ 285.245267] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 285.249388] 0 [ 285.252485] ? should_fail+0x22d/0xd01 [ 285.257995] 0 [ 285.259800] ? rcu_bh_qs+0xc0/0xc0 [ 285.263652] 0 0 [ 285.265458] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 285.268973] Node 0 [ 285.270944] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 285.276016] DMA: [ 285.278263] ? should_fail+0x22d/0xd01 [ 285.283786] 1*4kB [ 285.285838] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 285.289708] (U) [ 285.291850] ? should_fail+0x22d/0xd01 [ 285.296930] 0*8kB [ 285.298900] ? rcu_idle_enter+0x4b0/0x4b0 [ 285.302760] 0*16kB [ 285.304922] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 285.309045] 1*32kB [ 285.311274] ? mark_held_locks+0x130/0x130 [ 285.316353] (U) [ 285.318602] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.322808] 2*64kB [ 285.324782] ? mark_held_locks+0x130/0x130 [ 285.330297] (U) [ 285.332530] ? rcu_irq_exit+0xce/0x100 [ 285.336756] 1*128kB [ 285.338729] ? irq_exit+0xbd/0x1c0 [ 285.342593] (U) [ 285.344942] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 285.348454] 1*256kB [ 285.350424] ? do_raw_spin_unlock+0xa7/0x2f0 [ 285.355411] (U) [ 285.357728] ? smp_call_function_single_interrupt+0x650/0x650 [ 285.362125] 0*512kB [ 285.364096] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.370041] 1*1024kB [ 285.372352] ? ret_from_intr+0xb/0x1e [ 285.377864] (U) [ 285.380267] ? retint_kernel+0x2d/0x2d [ 285.384042] 1*2048kB [ 285.386011] ? trace_hardirqs_on_caller+0xc0/0x310 [ 285.389867] (M) [ 285.392273] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 285.397172] 3*4096kB [ 285.399144] ? trace_hardirqs_off+0x310/0x310 [ 285.403874] (M) [ 285.406296] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 285.410758] = 15908kB [ 285.412733] __alloc_pages_nodemask+0xa80/0xde0 [ 285.417804] Node 0 [ 285.420215] ? should_fail+0x22d/0xd01 [ 285.424870] DMA32: [ 285.427107] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 285.430968] 2*4kB [ 285.433206] ? ____cache_alloc_node+0x1c7/0x1e0 [ 285.438186] (M) [ 285.440329] ? lock_downgrade+0x900/0x900 [ 285.444970] 1*8kB [ 285.446981] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.451114] (M) [ 285.453257] cache_grow_begin+0x91/0x8c0 [ 285.458766] 2*16kB [ 285.460744] ? do_raw_spin_unlock+0xa7/0x2f0 [ 285.464798] (M) [ 285.467044] fallback_alloc+0x203/0x2e0 [ 285.471427] 3*32kB [ 285.473395] ____cache_alloc_node+0x1c7/0x1e0 [ 285.477339] (MH) [ 285.479568] kmem_cache_alloc_node+0xe3/0x730 [ 285.484033] 5*64kB [ 285.486088] ? ipv6_get_ifaddr+0x42e/0x620 [ 285.490556] (MH) [ 285.492788] __alloc_skb+0x119/0x770 [ 285.496997] 3*128kB [ 285.499047] ? skb_scrub_packet+0x490/0x490 [ 285.502735] (M) [ 285.505051] ? lock_downgrade+0x900/0x900 [ 285.509349] 5*256kB [ 285.511320] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.515443] (UMH) [ 285.517760] ? refcount_sub_and_test_checked+0x203/0x310 [ 285.523278] 5*512kB [ 285.525423] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 285.530848] (UMH) [ 285.533160] ? addrconf_rs_timer+0x690/0x690 [ 285.538586] 4*1024kB [ 285.540735] ndisc_alloc_skb+0x144/0x340 [ 285.545114] (UMH) [ 285.547517] ndisc_send_rs+0x331/0x6e0 [ 285.551551] 2*2048kB [ 285.553694] addrconf_rs_timer+0x314/0x690 [ 285.557552] (M) [ 285.559950] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 285.564159] 3*4096kB [ 285.566141] call_timer_fn+0x272/0x920 [ 285.570344] (M) [ 285.572746] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 285.576623] = 25168kB [ 285.578595] ? process_timeout+0x40/0x40 [ 285.582806] Node 0 [ 285.585205] ? trace_hardirqs_off+0xb8/0x310 [ 285.589236] Normal: [ 285.591464] ? kasan_check_read+0x11/0x20 [ 285.595846] 1081*4kB [ 285.598177] ? do_raw_spin_unlock+0xa7/0x2f0 [ 285.602327] (UMEH) [ 285.604725] ? trace_hardirqs_on+0x310/0x310 [ 285.609123] 387*8kB [ 285.611348] ? __run_timers+0x7da/0xc70 [ 285.615730] (ME) [ 285.618043] ? lock_downgrade+0x900/0x900 [ 285.621992] 152*16kB [ 285.624048] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 285.628164] (UME) [ 285.630567] ? trace_hardirqs_on+0xbd/0x310 [ 285.635645] 54*32kB [ 285.637799] ? kasan_check_read+0x11/0x20 [ 285.642098] (UME) [ 285.644415] ? __run_timers+0x7da/0xc70 [ 285.648537] 21*64kB [ 285.650677] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 285.654625] (UM) [ 285.656959] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.662386] 0*128kB [ 285.664439] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 285.669964] 0*256kB [ 285.672296] __run_timers+0x7e5/0xc70 [ 285.676497] 2*512kB [ 285.678814] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 285.682584] (U) [ 285.684910] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 285.690242] 0*1024kB [ 285.692219] ? timerqueue_add+0x207/0x2b0 [ 285.697212] 0*2048kB [ 285.699627] ? enqueue_hrtimer+0x1a5/0x560 [ 285.703751] 0*4096kB [ 285.706158] ? lock_release+0x970/0x970 [ 285.710368] = 13948kB [ 285.712798] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 285.716754] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 285.719151] ? check_preemption_disabled+0x48/0x200 [ 285.724358] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 285.733175] ? kasan_check_write+0x14/0x20 [ 285.738164] 4244 total pagecache pages [ 285.746733] ? pvclock_read_flags+0x160/0x160 [ 285.750943] 0 pages in swap cache [ 285.754820] ? lock_downgrade+0x900/0x900 [ 285.759293] Swap cache stats: add 0, delete 0, find 0/0 [ 285.762732] ? trace_hardirqs_on+0xbd/0x310 [ 285.766851] Free swap = 0kB [ 285.772203] ? kvm_sched_clock_read+0x9/0x20 [ 285.776495] Total swap = 0kB [ 285.779524] ? irq_exit+0x17f/0x1c0 [ 285.783901] 1965979 pages RAM [ 285.786911] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.790510] 0 pages HighMem/MovableOnly [ 285.793624] ? check_preemption_disabled+0x48/0x200 [ 285.799132] 342307 pages reserved [ 285.803092] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.808077] 0 pages cma reserved [ 285.811518] run_timer_softirq+0x52/0xb0 [ 285.817088] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 285.820384] ? __this_cpu_preempt_check+0x1c/0x1f [ 285.824479] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 285.830912] __do_softirq+0x30b/0xad8 [ 285.835731] syz-executor2 cpuset= [ 285.846209] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 285.849980] syz2 [ 285.853420] ? pvclock_read_flags+0x160/0x160 [ 285.858499] mems_allowed=0 [ 285.860462] ? lapic_next_event+0x5a/0x90 [ 285.872007] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.877541] ? clockevents_program_event+0x140/0x370 [ 285.882649] ? kvm_clock_read+0x18/0x30 [ 285.886622] ? kvm_sched_clock_read+0x9/0x20 [ 285.891028] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.896561] ? check_preemption_disabled+0x48/0x200 [ 285.901612] irq_exit+0x17f/0x1c0 [ 285.905078] smp_apic_timer_interrupt+0x1cb/0x760 [ 285.909913] ? smp_reschedule_interrupt+0x109/0x650 [ 285.914942] ? smp_call_function_single_interrupt+0x650/0x650 [ 285.920851] ? interrupt_entry+0xb5/0xf0 [ 285.924914] ? trace_hardirqs_off_caller+0xbb/0x310 [ 285.929923] ? trace_hardirqs_off_caller+0xbb/0x310 [ 285.934934] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 285.939782] ? trace_hardirqs_on_caller+0x310/0x310 [ 285.944849] ? trace_hardirqs_on_caller+0x310/0x310 [ 285.949859] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 285.955421] ? check_preemption_disabled+0x48/0x200 [ 285.960434] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 285.965983] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 285.970876] apic_timer_interrupt+0xf/0x20 [ 285.975102] [ 285.977338] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 285.982523] Code: 00 e8 97 f5 a3 f9 e8 d2 63 d3 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d 24 75 80 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d fa 74 [ 286.001430] RSP: 0000:ffff8801bbdd6150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 286.009166] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 286.016431] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe740 [ 286.023696] RBP: ffff8801bbdd6178 R08: ffff8801d838c080 R09: ffffed003b5e5979 [ 286.030970] R10: ffffed003b5e5979 R11: ffff8801daf2cbcb R12: dffffc0000000000 [ 286.038251] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 286.045549] ? trace_hardirqs_on+0x9a/0x310 [ 286.049893] ? trace_hardirqs_on+0xb4/0x310 [ 286.054216] retint_kernel+0x1b/0x2d [ 286.057929] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 286.063204] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 21 17 fa 48 83 3d 99 9c 86 01 00 75 07 e8 9a 7f d3 f9 0f 0b e8 93 7f d3 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 21 17 fa 4c 8b 45 d0 e9 [ 286.082101] RSP: 0000:ffff8801bbdd6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 286.089805] RAX: ffff8801d838c080 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 286.097074] RDX: 0000000000000000 RSI: ffffffff87ab55fd RDI: 0000000000000293 [ 286.104334] RBP: ffff8801bbdd6240 R08: ffff8801d838c080 R09: fffffbfff13d9700 [ 286.111631] R10: fffffbfff13d9700 R11: 0000000000000003 R12: 0000000000000293 [ 286.118893] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff8931f280 [ 286.126171] ? trace_hardirqs_on+0x9a/0x310 [ 286.130504] ? arch_local_irq_restore+0x45/0x52 [ 286.135169] dump_stack+0x26a/0x2b4 [ 286.138801] ? dump_stack_print_info.cold.2+0x52/0x52 [ 286.143989] ? mark_held_locks+0x130/0x130 [ 286.148219] ? mark_held_locks+0x130/0x130 [ 286.152465] dump_header+0x27b/0xf72 [ 286.156179] ? rcu_read_unlock+0x16/0x60 [ 286.160245] ? pagefault_out_of_memory+0x197/0x197 [ 286.165173] ? mark_held_locks+0x130/0x130 [ 286.169399] ? percpu_ref_put_many+0x13e/0x260 [ 286.173978] ? mem_cgroup_charge_statistics+0x780/0x780 [ 286.179379] ? mem_cgroup_iter+0x1f7/0x1160 [ 286.183694] ? mark_held_locks+0x130/0x130 [ 286.187934] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.193495] ? task_will_free_mem+0x239/0xb30 [ 286.198004] ? ___ratelimit+0x36f/0x655 [ 286.202080] ? lock_downgrade+0x900/0x900 [ 286.206231] ? trace_hardirqs_on+0xbd/0x310 [ 286.210546] ? kasan_check_read+0x11/0x20 [ 286.214692] ? ___ratelimit+0x36f/0x655 [ 286.218661] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 286.224111] ? trace_hardirqs_on+0x310/0x310 [ 286.228531] ? lock_downgrade+0x900/0x900 [ 286.232681] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 286.237782] ? ___ratelimit+0xaa/0x655 [ 286.241661] ? idr_get_free+0xec0/0xec0 [ 286.245649] ? kasan_check_write+0x14/0x20 [ 286.249897] ? do_raw_spin_lock+0xc1/0x200 [ 286.254135] oom_kill_process.cold.27+0x10/0x903 [ 286.258888] ? lock_downgrade+0x900/0x900 [ 286.263041] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 286.268835] ? oom_evaluate_task+0x540/0x540 [ 286.273243] ? shrink_node+0x16b0/0x16b0 [ 286.277316] ? oom_unkillable_task+0x383/0x580 [ 286.281899] ? out_of_memory+0x974/0x1430 [ 286.286044] ? lock_downgrade+0x900/0x900 [ 286.290209] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 286.296037] ? __cpuset_node_allowed+0x19b/0x660 [ 286.300826] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 286.306362] ? oom_evaluate_task+0x302/0x540 [ 286.310780] out_of_memory+0xa84/0x1430 [ 286.314758] ? oom_killer_disable+0x3a0/0x3a0 [ 286.319261] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 286.324190] ? __mutex_add_waiter+0x2a0/0x2a0 [ 286.328677] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 286.333686] ? find_next_bit+0x104/0x130 [ 286.337746] __alloc_pages_slowpath+0x2318/0x2d80 [ 286.342626] ? warn_alloc+0x120/0x120 [ 286.346421] ? __radix_tree_lookup+0x4c0/0x4c0 [ 286.351008] ? find_get_entry+0x2f2/0xc40 [ 286.355174] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 286.360100] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 286.365636] ? should_fail+0x22d/0xd01 [ 286.369519] ? ___might_sleep+0x1ed/0x300 [ 286.373677] ? lock_release+0x970/0x970 [ 286.377653] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 286.382750] ? debug_smp_processor_id+0x1c/0x20 [ 286.387479] ? __might_sleep+0x95/0x190 [ 286.391453] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 286.396302] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 286.401321] ? lock_downgrade+0x900/0x900 [ 286.405467] ? ___might_sleep+0x1ed/0x300 [ 286.409611] ? lock_release+0x970/0x970 [ 286.413580] ? arch_local_save_flags+0x40/0x40 [ 286.418159] ? finish_task_switch+0x1f5/0x900 [ 286.422658] ? __might_sleep+0x95/0x190 [ 286.426645] __alloc_pages_nodemask+0xa80/0xde0 [ 286.431321] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 286.436333] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 286.442135] ? kasan_check_write+0x14/0x20 [ 286.446408] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 286.451091] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.456623] ? __do_page_cache_readahead+0x7ce/0x980 [ 286.461729] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 286.467264] alloc_pages_current+0x10c/0x210 [ 286.471668] ? lock_downgrade+0x900/0x900 [ 286.475814] __page_cache_alloc+0x38f/0x5b0 [ 286.480135] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 286.485930] ? ext4_filemap_fault+0x82/0xad [ 286.490245] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 286.494934] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 286.500463] ? check_preemption_disabled+0x48/0x200 [ 286.505477] filemap_fault+0x1594/0x25f0 [ 286.509544] ? __lock_page_or_retry+0xa00/0xa00 [ 286.514210] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 286.520040] ? unwind_dump+0x190/0x190 [ 286.523943] ? is_bpf_text_address+0xd3/0x170 [ 286.528440] ? filemap_map_pages+0xdea/0x1980 [ 286.532939] ? find_get_pages_range_tag+0x1320/0x1320 [ 286.538125] ? save_stack+0xa9/0xd0 [ 286.541746] ? save_stack+0x43/0xd0 [ 286.545369] ? __kasan_slab_free+0x102/0x150 [ 286.549784] ? __sigqueue_free.part.27+0x7d/0xa0 [ 286.554558] ? __dequeue_signal+0x530/0x7d0 [ 286.558873] ? dequeue_signal+0x26c/0x630 [ 286.563020] ? get_signal+0x3ec/0x1980 [ 286.566906] ? do_signal+0x9c/0x21e0 [ 286.570629] ? exit_to_usermode_loop+0x2e5/0x380 [ 286.575382] ? mark_held_locks+0x130/0x130 [ 286.579616] ? trace_hardirqs_on+0x310/0x310 [ 286.584021] ? lock_acquire+0x1ed/0x520 [ 286.588003] ? ext4_filemap_fault+0x7a/0xad [ 286.592340] ? lock_release+0x970/0x970 [ 286.596313] ? arch_local_save_flags+0x40/0x40 [ 286.600895] ? mark_held_locks+0x130/0x130 [ 286.605128] ? trace_hardirqs_off+0xb8/0x310 [ 286.609537] ? down_read+0xb0/0x1d0 [ 286.613173] ? ext4_filemap_fault+0x7a/0xad [ 286.617493] ? __down_interruptible+0x700/0x700 [ 286.622176] ? kmem_cache_free+0x21a/0x290 [ 286.626443] ? __sigqueue_free.part.27+0x7d/0xa0 [ 286.631191] ? __dequeue_signal+0xf9/0x7d0 [ 286.635426] ext4_filemap_fault+0x82/0xad [ 286.639573] __do_fault+0x100/0x6b0 [ 286.643202] ? print_bad_pte+0x6c0/0x6c0 [ 286.647261] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 286.652801] ? pmd_val+0x88/0x100 [ 286.656280] ? add_mm_counter_fast+0xd0/0xd0 [ 286.660688] ? pmd_val+0x88/0x100 [ 286.664141] ? add_mm_counter_fast+0xd0/0xd0 [ 286.668545] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 286.674095] __handle_mm_fault+0x3709/0x53e0 [ 286.678521] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 286.683360] ? kasan_check_write+0x14/0x20 [ 286.687594] ? do_raw_spin_lock+0xc1/0x200 [ 286.691848] ? _raw_spin_unlock_irq+0x60/0x80 [ 286.696355] ? __set_current_blocked+0xe4/0x120 [ 286.701039] ? lock_acquire+0x1ed/0x520 [ 286.705012] ? handle_mm_fault+0x42a/0xc70 [ 286.709241] ? lock_downgrade+0x900/0x900 [ 286.713389] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 286.719186] ? __do_page_fault+0x67d/0xed0 [ 286.723422] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 286.728912] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 286.734480] ? check_preemption_disabled+0x48/0x200 [ 286.739516] handle_mm_fault+0x54f/0xc70 [ 286.743581] ? __handle_mm_fault+0x53e0/0x53e0 [ 286.748160] ? find_vma+0x34/0x190 [ 286.751701] __do_page_fault+0x67d/0xed0 [ 286.755763] ? mm_fault_error+0x380/0x380 [ 286.759923] ? syscall_slow_exit_work+0x520/0x520 [ 286.764819] do_page_fault+0xf2/0x7e0 [ 286.768618] ? vmalloc_sync_all+0x30/0x30 [ 286.772764] ? error_entry+0x70/0xd0 [ 286.776486] ? trace_hardirqs_off_caller+0xbb/0x310 [ 286.781497] ? trace_hardirqs_on_caller+0xc0/0x310 [ 286.786422] ? syscall_return_slowpath+0x5e0/0x5e0 [ 286.791364] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 286.796217] ? trace_hardirqs_on_caller+0x310/0x310 [ 286.801229] ? trace_hardirqs_off+0x310/0x310 [ 286.805719] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 286.810752] ? prepare_exit_to_usermode+0x291/0x3b0 [ 286.815780] ? page_fault+0x8/0x30 [ 286.819320] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 286.824163] ? page_fault+0x8/0x30 [ 286.827711] page_fault+0x1e/0x30 [ 286.831154] RIP: 0033:0x45db60 [ 286.834342] Code: Bad RIP value. [ 286.837698] RSP: 002b:000000c420049ab8 EFLAGS: 00010286 [ 286.843055] RAX: 0000000000000000 RBX: 000000c420026380 RCX: 000000000045ddf3 [ 286.850318] RDX: 000000c420049ac0 RSI: 000000c420049bf0 RDI: 0000000000000011 [ 286.857580] RBP: 000000c420022f08 R08: 0000000000000000 R09: 0000000000000000 [ 286.864839] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42005c168 [ 286.872106] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000 [ 286.879401] CPU: 0 PID: 7800 Comm: syz-executor2 Not tainted 4.19.0-rc6+ #119 [ 286.879449] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 286.886679] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 286.893219] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 286.902490] Call Trace: [ 286.912697] syz-fuzzer cpuset= [ 286.915261] [ 286.915263] / mems_allowed=0 [ 286.918454] dump_stack+0x1c4/0x2b4 [ 286.927195] ? dump_stack_print_info.cold.2+0x52/0x52 [ 286.932391] warn_alloc.cold.119+0xb7/0x1bd [ 286.936724] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 286.941577] ? lock_downgrade+0x900/0x900 [ 286.946216] ? trace_hardirqs_off+0xb8/0x310 [ 286.950639] ? trace_hardirqs_off+0xb8/0x310 [ 286.955047] __alloc_pages_slowpath+0x2667/0x2d80 [ 286.959905] ? warn_alloc+0x120/0x120 [ 286.963707] ? warn_alloc+0x120/0x120 [ 286.967506] ? warn_alloc+0x120/0x120 [ 286.971304] ? mark_held_locks+0x130/0x130 [ 286.975540] ? trace_hardirqs_on+0x310/0x310 [ 286.979946] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.985480] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 286.991030] ? should_fail+0x22d/0xd01 [ 286.994919] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 287.000016] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 287.005550] ? should_fail+0x22d/0xd01 [ 287.009450] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 287.014547] ? should_fail+0x22d/0xd01 [ 287.018431] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 287.023534] ? mark_held_locks+0x130/0x130 [ 287.027768] ? mark_held_locks+0x130/0x130 [ 287.032017] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.037553] ? trace_hardirqs_off+0xb8/0x310 [ 287.041960] ? kasan_check_read+0x11/0x20 [ 287.046104] ? do_raw_spin_unlock+0xa7/0x2f0 [ 287.050509] ? trace_hardirqs_on+0x310/0x310 [ 287.054911] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.060447] ? wq_watchdog_touch+0x9c/0xfe [ 287.064680] ? io_serial_in+0x11/0x90 [ 287.068475] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.074011] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 287.079132] __alloc_pages_nodemask+0xa80/0xde0 [ 287.083808] ? should_fail+0x22d/0xd01 [ 287.087697] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 287.092741] ? ____cache_alloc_node+0x1c7/0x1e0 [ 287.097413] ? lock_downgrade+0x900/0x900 [ 287.101569] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.107118] cache_grow_begin+0x91/0x8c0 [ 287.111175] ? do_raw_spin_unlock+0xa7/0x2f0 [ 287.115598] fallback_alloc+0x203/0x2e0 [ 287.119594] ____cache_alloc_node+0x1c7/0x1e0 [ 287.124124] kmem_cache_alloc_node+0xe3/0x730 [ 287.128629] ? ipv6_get_ifaddr+0x42e/0x620 [ 287.132899] __alloc_skb+0x119/0x770 [ 287.136659] ? skb_scrub_packet+0x490/0x490 [ 287.140992] ? lock_downgrade+0x900/0x900 [ 287.145141] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.150675] ? refcount_sub_and_test_checked+0x203/0x310 [ 287.156121] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 287.161581] ? addrconf_rs_timer+0x690/0x690 [ 287.166019] ndisc_alloc_skb+0x144/0x340 [ 287.170092] ndisc_send_rs+0x331/0x6e0 [ 287.173993] addrconf_rs_timer+0x314/0x690 [ 287.178240] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.182482] call_timer_fn+0x272/0x920 [ 287.186381] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.190612] ? process_timeout+0x40/0x40 [ 287.194666] ? trace_hardirqs_off+0xb8/0x310 [ 287.199071] ? kasan_check_read+0x11/0x20 [ 287.203229] ? do_raw_spin_unlock+0xa7/0x2f0 [ 287.207650] ? trace_hardirqs_on+0x310/0x310 [ 287.212067] ? __run_timers+0x7da/0xc70 [ 287.216044] ? lock_downgrade+0x900/0x900 [ 287.220196] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 287.225294] ? trace_hardirqs_on+0xbd/0x310 [ 287.229608] ? kasan_check_read+0x11/0x20 [ 287.233753] ? __run_timers+0x7da/0xc70 [ 287.237759] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 287.243217] ? kasan_check_write+0x14/0x20 [ 287.247476] ? do_raw_spin_lock+0xc1/0x200 [ 287.251707] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.255937] __run_timers+0x7e5/0xc70 [ 287.259748] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 287.265121] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 287.270132] ? timerqueue_add+0x207/0x2b0 [ 287.274279] ? enqueue_hrtimer+0x1a5/0x560 [ 287.278512] ? lock_release+0x970/0x970 [ 287.282480] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 287.287671] ? kasan_check_write+0x14/0x20 [ 287.291903] ? pvclock_read_flags+0x160/0x160 [ 287.296397] ? lock_downgrade+0x900/0x900 [ 287.300547] ? trace_hardirqs_on+0xbd/0x310 [ 287.304872] ? kvm_sched_clock_read+0x9/0x20 [ 287.309276] ? irq_exit+0x17f/0x1c0 [ 287.312896] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.318430] ? check_preemption_disabled+0x48/0x200 [ 287.323470] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.329035] run_timer_softirq+0x52/0xb0 [ 287.333091] ? __this_cpu_preempt_check+0x1c/0x1f [ 287.337941] __do_softirq+0x30b/0xad8 [ 287.341750] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 287.346868] ? pvclock_read_flags+0x160/0x160 [ 287.351369] ? lapic_next_event+0x5a/0x90 [ 287.355526] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.361076] ? clockevents_program_event+0x140/0x370 [ 287.366188] ? kvm_clock_read+0x18/0x30 [ 287.370163] ? kvm_sched_clock_read+0x9/0x20 [ 287.374575] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.380113] ? check_preemption_disabled+0x48/0x200 [ 287.385152] irq_exit+0x17f/0x1c0 [ 287.388604] smp_apic_timer_interrupt+0x1cb/0x760 [ 287.393441] ? smp_reschedule_interrupt+0x109/0x650 [ 287.398458] ? smp_call_function_single_interrupt+0x650/0x650 [ 287.404346] ? interrupt_entry+0xb5/0xf0 [ 287.408409] ? trace_hardirqs_off_caller+0xbb/0x310 [ 287.413420] ? trace_hardirqs_off_caller+0xbb/0x310 [ 287.418446] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 287.423298] ? trace_hardirqs_on_caller+0x310/0x310 [ 287.428310] ? trace_hardirqs_on_caller+0x310/0x310 [ 287.433319] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.438852] ? check_preemption_disabled+0x48/0x200 [ 287.443883] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 287.448731] apic_timer_interrupt+0xf/0x20 [ 287.452960] [ 287.455207] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 287.461084] Code: 3f 7e 0f 85 32 ff ff ff e8 53 4a 3e ff e9 28 ff ff ff e8 ba ad c2 ff 48 83 3d 0a bf 6f 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 62 23 [ 287.479976] RSP: 0018:ffff88019a29f4a8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 287.487681] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000627e000 [ 287.494941] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 287.502204] RBP: ffff88019a29f520 R08: ffff8801ba14e480 R09: fffffbfff12720c0 [ 287.509467] R10: ffff88019a29e0f0 R11: ffffffff89390603 R12: ffff8801da800ac0 [ 287.516730] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286 [ 287.524019] ? trace_hardirqs_on+0xb4/0x310 [ 287.528342] ? save_stack+0xa9/0xd0 [ 287.531976] __kmalloc_node_track_caller+0x33/0x70 [ 287.536909] __kmalloc_reserve.isra.39+0xcc/0xe0 [ 287.541664] pskb_expand_head+0x230/0x10f0 [ 287.545899] ? lock_downgrade+0x900/0x900 [ 287.550041] ? check_preemption_disabled+0x48/0x200 [ 287.555055] ? memcpy+0x45/0x50 [ 287.558336] ? __copy_skb_header+0x350/0x6b0 [ 287.562743] ? __pskb_copy_fclone+0xeb0/0xeb0 [ 287.567237] ? skb_checksum+0x140/0x140 [ 287.571237] ? trace_hardirqs_on+0xbd/0x310 [ 287.575583] ? skb_clone+0x1bb/0x500 [ 287.579291] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 287.584735] ? kasan_unpoison_shadow+0x35/0x50 [ 287.589310] ? kasan_check_write+0x14/0x20 [ 287.593542] ? __skb_clone+0x6c7/0xa00 [ 287.597427] ? __copy_skb_header+0x6b0/0x6b0 [ 287.601828] ? kmem_cache_alloc+0x306/0x730 [ 287.606153] skb_ensure_writable+0x3dd/0x640 [ 287.610561] ? skb_cow_data+0xf10/0xf10 [ 287.614527] ? check_preemption_disabled+0x48/0x200 [ 287.619539] ? __this_cpu_preempt_check+0x1c/0x1f [ 287.624393] ? __bpf_redirect+0x54b/0xb20 [ 287.628540] ? __switch_to_asm+0x34/0x70 [ 287.632598] bpf_clone_redirect+0x14a/0x490 [ 287.636917] bpf_prog_3d1649e183dc2cc1+0xca3/0x1000 [ 287.641927] ? __sched_text_start+0x8/0x8 [ 287.646072] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 287.650834] ? retint_kernel+0x2d/0x2d [ 287.654718] ? trace_hardirqs_on_caller+0xc0/0x310 [ 287.659641] ? retint_kernel+0x2d/0x2d [ 287.663526] ? trace_hardirqs_on_caller+0xc0/0x310 [ 287.668480] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 287.673230] ? trace_hardirqs_off+0x310/0x310 [ 287.677721] ? retint_kernel+0x1b/0x2d [ 287.681608] ? lock_acquire+0x1ed/0x520 [ 287.685580] ? bpf_test_run+0x3cb/0x780 [ 287.689554] ? lock_downgrade+0x900/0x900 [ 287.693697] ? lock_release+0x970/0x970 [ 287.697665] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 287.703456] ? preempt_schedule_common+0x1f/0xd0 [ 287.708212] ? preempt_schedule+0x4d/0x60 [ 287.712359] ? ___preempt_schedule+0x16/0x18 [ 287.716767] ? bpf_test_run+0x25d/0x780 [ 287.720797] ? netlink_diag_dump+0x2a0/0x2a0 [ 287.725220] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 287.730756] ? bpf_test_init.isra.9+0x70/0x100 [ 287.735360] ? bpf_prog_test_run_skb+0x634/0xb40 [ 287.740125] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 287.744963] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 287.750492] ? fput+0x130/0x1a0 [ 287.753767] ? __bpf_prog_get+0x9b/0x290 [ 287.757842] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 287.762676] ? bpf_prog_test_run+0x130/0x1a0 [ 287.767083] ? __x64_sys_bpf+0x3d8/0x510 [ 287.771139] ? bpf_prog_get+0x20/0x20 [ 287.774942] ? __x64_sys_futex+0x4bc/0x6a0 [ 287.779179] ? do_syscall_64+0x1b9/0x820 [ 287.783237] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 287.788603] ? syscall_return_slowpath+0x5e0/0x5e0 [ 287.793530] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 287.798368] ? trace_hardirqs_on_caller+0x310/0x310 [ 287.803385] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 287.808395] ? prepare_exit_to_usermode+0x291/0x3b0 [ 287.813407] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 287.818279] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 287.823646] warn_alloc_show_mem: 1 callbacks suppressed [ 287.823657] CPU: 1 PID: 5806 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #119 [ 287.823658] Mem-Info: [ 287.823686] active_anon:46475 inactive_anon:4207 isolated_anon:0 [ 287.823686] active_file:17 inactive_file:13 isolated_file:0 [ 287.823686] unevictable:0 dirty:0 writeback:0 unstable:0 [ 287.823686] slab_reclaimable:8782 slab_unreclaimable:1485678 [ 287.823686] mapped:8194 shmem:4214 pagetables:396 bounce:0 [ 287.823686] free:13756 free_pcp:276 free_cma:0 [ 287.829023] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 287.836049] Node 0 active_anon:185900kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32776kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 287.838457] Call Trace: [ 287.871405] Node 0 [ 287.880744] [ 287.908505] 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 [ 287.911074] dump_stack+0x1c4/0x2b4 [ 287.913291] lowmem_reserve[]: [ 287.915448] ? dump_stack_print_info.cold.2+0x52/0x52 [ 287.940932] 0 [ 287.944565] warn_alloc.cold.119+0xb7/0x1bd [ 287.947643] 2819 [ 287.952849] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 287.954624] 6323 [ 287.958949] ? lock_downgrade+0x900/0x900 [ 287.960984] 6323 [ 287.965819] ? trace_hardirqs_off+0xb8/0x310 [ 287.972013] ? trace_hardirqs_off+0xb8/0x310 [ 287.974052] Node 0 [ 287.978454] __alloc_pages_slowpath+0x2667/0x2d80 [ 287.982863] DMA32 free:25168kB min:30060kB low:37572kB high:45084kB active_anon:10240kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 287.985084] ? warn_alloc+0x120/0x120 [ 287.989891] lowmem_reserve[]: [ 288.017121] ? trace_hardirqs_on+0x310/0x310 [ 288.020893] 0 [ 288.024007] ? warn_alloc+0x120/0x120 [ 288.028385] 0 [ 288.030177] ? warn_alloc+0x120/0x120 [ 288.033947] 3503 [ 288.035740] ? ktime_get+0x2e1/0x440 [ 288.039512] 3503 [ 288.041566] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.047312] ? check_preemption_disabled+0x48/0x200 [ 288.052824] Node 0 Normal free:13948kB min:37352kB low:46688kB high:56024kB active_anon:175660kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5056kB pagetables:1584kB bounce:0kB free_pcp:856kB local_pcp:320kB free_cma:0kB [ 288.057872] ? kasan_check_read+0x11/0x20 [ 288.057889] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 288.086940] lowmem_reserve[]: [ 288.091084] ? should_fail+0x22d/0xd01 [ 288.096591] 0 [ 288.099685] ? rcu_bh_qs+0xc0/0xc0 [ 288.103540] 0 [ 288.105335] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 288.108849] 0 [ 288.110646] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 288.115717] 0 [ 288.117510] ? should_fail+0x22d/0xd01 [ 288.124821] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 288.128682] Node 0 [ 288.133780] ? should_fail+0x22d/0xd01 [ 288.133787] DMA: 1*4kB [ 288.136038] ? rcu_idle_enter+0x4b0/0x4b0 [ 288.139894] (U) [ 288.142472] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 288.146588] 0*8kB [ 288.148555] ? mark_held_locks+0x130/0x130 [ 288.153633] 0*16kB [ 288.155779] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.159998] 1*32kB [ 288.162228] ? mark_held_locks+0x130/0x130 [ 288.167738] (U) [ 288.169971] ? rcu_irq_exit+0xce/0x100 [ 288.174178] 2*64kB [ 288.176147] ? irq_exit+0xbd/0x1c0 [ 288.180007] (U) [ 288.182237] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 288.185750] 1*128kB [ 288.187738] ? do_raw_spin_unlock+0xa7/0x2f0 [ 288.192726] (U) [ 288.195041] ? smp_call_function_single_interrupt+0x650/0x650 [ 288.199420] 1*256kB [ 288.201399] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.207253] (U) [ 288.209567] ? ret_from_intr+0xb/0x1e [ 288.215094] 0*512kB [ 288.217095] ? retint_kernel+0x2d/0x2d [ 288.220871] 1*1024kB [ 288.223190] ? trace_hardirqs_on_caller+0xc0/0x310 [ 288.227046] (U) [ 288.229448] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 288.234350] 1*2048kB [ 288.236318] ? trace_hardirqs_off+0x310/0x310 [ 288.241057] (M) [ 288.243474] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 288.247945] 3*4096kB [ 288.249947] __alloc_pages_nodemask+0xa80/0xde0 [ 288.255043] (M) [ 288.257476] ? should_fail+0x22d/0xd01 [ 288.262133] = 15908kB [ 288.264099] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 288.267962] Node 0 [ 288.270374] ? ____cache_alloc_node+0x1c7/0x1e0 [ 288.275349] DMA32: [ 288.277576] ? lock_downgrade+0x900/0x900 [ 288.282227] 2*4kB [ 288.284467] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.288590] (M) [ 288.290736] cache_grow_begin+0x91/0x8c0 [ 288.296254] 1*8kB [ 288.298226] ? do_raw_spin_unlock+0xa7/0x2f0 [ 288.302262] (M) [ 288.304411] fallback_alloc+0x203/0x2e0 [ 288.308801] 2*16kB [ 288.310768] ____cache_alloc_node+0x1c7/0x1e0 [ 288.314726] (M) [ 288.316972] kmem_cache_alloc_node+0xe3/0x730 [ 288.321439] 3*32kB [ 288.323406] ? ipv6_get_ifaddr+0x42e/0x620 [ 288.327870] (MH) [ 288.330119] __alloc_skb+0x119/0x770 [ 288.334326] 5*64kB [ 288.336380] ? skb_scrub_packet+0x490/0x490 [ 288.340067] (MH) [ 288.342299] ? lock_downgrade+0x900/0x900 [ 288.346594] 3*128kB [ 288.348646] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.352764] (M) [ 288.355095] ? refcount_sub_and_test_checked+0x203/0x310 [ 288.360620] 5*256kB [ 288.362584] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 288.368007] (UMH) [ 288.370321] ? addrconf_rs_timer+0x690/0x690 [ 288.375743] 5*512kB [ 288.377879] ndisc_alloc_skb+0x144/0x340 [ 288.382260] (UMH) [ 288.384574] ndisc_send_rs+0x331/0x6e0 [ 288.388622] 4*1024kB [ 288.390787] addrconf_rs_timer+0x314/0x690 [ 288.394655] (UMH) [ 288.397065] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 288.401270] 2*2048kB [ 288.403422] call_timer_fn+0x272/0x920 [ 288.407656] (M) [ 288.410065] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 288.413928] 3*4096kB [ 288.415897] ? process_timeout+0x40/0x40 [ 288.420104] (M) [ 288.422506] ? trace_hardirqs_off+0xb8/0x310 [ 288.426538] = 25168kB [ 288.428503] ? kasan_check_read+0x11/0x20 [ 288.432886] Node 0 [ 288.435295] ? do_raw_spin_unlock+0xa7/0x2f0 [ 288.439408] Normal: [ 288.441635] ? trace_hardirqs_on+0x310/0x310 [ 288.446016] 1081*4kB [ 288.448331] ? __run_timers+0x7da/0xc70 [ 288.452721] (UMEH) [ 288.455122] ? lock_downgrade+0x900/0x900 [ 288.459103] 387*8kB [ 288.461328] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 288.465446] (ME) [ 288.467764] ? trace_hardirqs_on+0xbd/0x310 [ 288.472850] 152*16kB [ 288.474905] ? kasan_check_read+0x11/0x20 [ 288.479200] (UME) [ 288.481604] ? __run_timers+0x7da/0xc70 [ 288.485726] 54*32kB [ 288.487871] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 288.491817] (UME) [ 288.494128] ? kasan_check_write+0x14/0x20 [ 288.499567] 21*64kB [ 288.501708] ? do_raw_spin_lock+0xc1/0x200 [ 288.505915] (UM) [ 288.508229] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 288.512442] 0*128kB [ 288.514495] __run_timers+0x7e5/0xc70 [ 288.518702] 0*256kB [ 288.521023] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 288.524801] 2*512kB [ 288.527118] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 288.532449] (U) [ 288.534766] ? timerqueue_add+0x207/0x2b0 [ 288.539764] 0*1024kB [ 288.541736] ? enqueue_hrtimer+0x1a5/0x560 [ 288.545862] 0*2048kB [ 288.548261] ? lock_release+0x970/0x970 [ 288.552470] 0*4096kB [ 288.554872] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 288.558818] = 13948kB [ 288.561220] ? check_preemption_disabled+0x48/0x200 [ 288.566388] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 288.568833] ? kasan_check_write+0x14/0x20 [ 288.573842] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 288.582663] ? pvclock_read_flags+0x160/0x160 [ 288.586874] 4244 total pagecache pages [ 288.595463] ? lock_downgrade+0x900/0x900 [ 288.599942] 0 pages in swap cache [ 288.603837] ? trace_hardirqs_on+0xbd/0x310 [ 288.607957] Swap cache stats: add 0, delete 0, find 0/0 [ 288.611399] ? kvm_sched_clock_read+0x9/0x20 [ 288.615691] Free swap = 0kB [ 288.621042] ? irq_exit+0x17f/0x1c0 [ 288.625424] Total swap = 0kB [ 288.628432] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.632030] 1965979 pages RAM [ 288.635040] ? check_preemption_disabled+0x48/0x200 [ 288.640554] 0 pages HighMem/MovableOnly [ 288.643650] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.648640] 342307 pages reserved [ 288.652602] run_timer_softirq+0x52/0xb0 [ 288.658111] 0 pages cma reserved [ 288.661555] ? __this_cpu_preempt_check+0x1c/0x1f [ 288.665636] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 288.668938] __do_softirq+0x30b/0xad8 [ 288.668956] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 288.668972] ? pvclock_read_flags+0x160/0x160 [ 288.673897] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 288.680298] ? lapic_next_event+0x5a/0x90 [ 288.684069] syz-executor2 cpuset= [ 288.689163] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.693630] syz2 [ 288.704118] ? clockevents_program_event+0x140/0x370 [ 288.708243] mems_allowed=0 [ 288.711701] ? kvm_clock_read+0x18/0x30 [ 288.731123] ? kvm_sched_clock_read+0x9/0x20 [ 288.735530] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.741068] ? check_preemption_disabled+0x48/0x200 [ 288.746088] irq_exit+0x17f/0x1c0 [ 288.749538] smp_apic_timer_interrupt+0x1cb/0x760 [ 288.754375] ? smp_reschedule_interrupt+0x109/0x650 [ 288.759388] ? smp_call_function_single_interrupt+0x650/0x650 [ 288.765304] ? interrupt_entry+0xb5/0xf0 [ 288.769359] ? trace_hardirqs_off_caller+0xbb/0x310 [ 288.774367] ? trace_hardirqs_off_caller+0xbb/0x310 [ 288.779377] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 288.784213] ? trace_hardirqs_on_caller+0x310/0x310 [ 288.789222] ? trace_hardirqs_on_caller+0x310/0x310 [ 288.794247] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 288.799787] ? check_preemption_disabled+0x48/0x200 [ 288.804810] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 288.810347] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 288.815192] apic_timer_interrupt+0xf/0x20 [ 288.819417] [ 288.821654] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 288.826853] Code: 00 e8 97 f5 a3 f9 e8 d2 63 d3 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d 24 75 80 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d fa 74 [ 288.845749] RSP: 0000:ffff8801bbdd6150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 288.853458] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 288.860726] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe740 [ 288.867994] RBP: ffff8801bbdd6178 R08: ffff8801d838c080 R09: ffffed003b5e5979 [ 288.875303] R10: ffffed003b5e5979 R11: ffff8801daf2cbcb R12: dffffc0000000000 [ 288.882565] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 288.889855] ? trace_hardirqs_on+0x9a/0x310 [ 288.894170] ? trace_hardirqs_on+0xb4/0x310 [ 288.898490] retint_kernel+0x1b/0x2d [ 288.902219] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 288.907507] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 21 17 fa 48 83 3d 99 9c 86 01 00 75 07 e8 9a 7f d3 f9 0f 0b e8 93 7f d3 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 21 17 fa 4c 8b 45 d0 e9 [ 288.926404] RSP: 0000:ffff8801bbdd6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 288.934105] RAX: ffff8801d838c080 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 288.941368] RDX: 0000000000000000 RSI: ffffffff87ab55fd RDI: 0000000000000293 [ 288.948745] RBP: ffff8801bbdd6240 R08: ffff8801d838c080 R09: fffffbfff13d9700 [ 288.956030] R10: fffffbfff13d9700 R11: 0000000000000003 R12: 0000000000000293 [ 288.963309] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff8931f280 [ 288.970587] ? trace_hardirqs_on+0x9a/0x310 [ 288.974912] ? arch_local_irq_restore+0x45/0x52 [ 288.979580] dump_stack+0x26a/0x2b4 [ 288.983213] ? dump_stack_print_info.cold.2+0x52/0x52 [ 288.988400] ? mark_held_locks+0x130/0x130 [ 288.992633] ? mark_held_locks+0x130/0x130 [ 288.996865] dump_header+0x27b/0xf72 [ 289.000577] ? rcu_read_unlock+0x16/0x60 [ 289.004655] ? pagefault_out_of_memory+0x197/0x197 [ 289.009587] ? mark_held_locks+0x130/0x130 [ 289.013823] ? percpu_ref_put_many+0x13e/0x260 [ 289.018420] ? mem_cgroup_charge_statistics+0x780/0x780 [ 289.023793] ? mem_cgroup_iter+0x1f7/0x1160 [ 289.028111] ? mark_held_locks+0x130/0x130 [ 289.032346] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.037879] ? task_will_free_mem+0x239/0xb30 [ 289.042378] ? ___ratelimit+0x36f/0x655 [ 289.046366] ? lock_downgrade+0x900/0x900 [ 289.050524] ? trace_hardirqs_on+0xbd/0x310 [ 289.054840] ? kasan_check_read+0x11/0x20 [ 289.058984] ? ___ratelimit+0x36f/0x655 [ 289.062959] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 289.068409] ? trace_hardirqs_on+0x310/0x310 [ 289.072812] ? lock_downgrade+0x900/0x900 [ 289.076959] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 289.082509] ? ___ratelimit+0xaa/0x655 [ 289.086398] ? idr_get_free+0xec0/0xec0 [ 289.090364] ? kasan_check_write+0x14/0x20 [ 289.094599] ? do_raw_spin_lock+0xc1/0x200 [ 289.098832] oom_kill_process.cold.27+0x10/0x903 [ 289.103588] ? lock_downgrade+0x900/0x900 [ 289.107756] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 289.113585] ? oom_evaluate_task+0x540/0x540 [ 289.118008] ? shrink_node+0x16b0/0x16b0 [ 289.122086] ? oom_unkillable_task+0x383/0x580 [ 289.126662] ? out_of_memory+0x974/0x1430 [ 289.130815] ? lock_downgrade+0x900/0x900 [ 289.134984] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 289.140796] ? __cpuset_node_allowed+0x19b/0x660 [ 289.145550] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 289.151096] ? oom_evaluate_task+0x302/0x540 [ 289.155533] out_of_memory+0xa84/0x1430 [ 289.159510] ? oom_killer_disable+0x3a0/0x3a0 [ 289.164000] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 289.168927] ? __mutex_add_waiter+0x2a0/0x2a0 [ 289.173442] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 289.178473] ? find_next_bit+0x104/0x130 [ 289.182536] __alloc_pages_slowpath+0x2318/0x2d80 [ 289.187390] ? warn_alloc+0x120/0x120 [ 289.191186] ? __radix_tree_lookup+0x4c0/0x4c0 [ 289.195783] ? find_get_entry+0x2f2/0xc40 [ 289.199944] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 289.204873] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 289.210404] ? should_fail+0x22d/0xd01 [ 289.214300] ? ___might_sleep+0x1ed/0x300 [ 289.218440] ? lock_release+0x970/0x970 [ 289.222409] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 289.227508] ? debug_smp_processor_id+0x1c/0x20 [ 289.232192] ? __might_sleep+0x95/0x190 [ 289.236167] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 289.241028] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 289.246065] ? lock_downgrade+0x900/0x900 [ 289.250210] ? ___might_sleep+0x1ed/0x300 [ 289.254350] ? lock_release+0x970/0x970 [ 289.258321] ? arch_local_save_flags+0x40/0x40 [ 289.262900] ? finish_task_switch+0x1f5/0x900 [ 289.267396] ? __might_sleep+0x95/0x190 [ 289.271388] __alloc_pages_nodemask+0xa80/0xde0 [ 289.276064] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 289.281092] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 289.286883] ? kasan_check_write+0x14/0x20 [ 289.291141] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 289.295824] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.301354] ? __do_page_cache_readahead+0x7ce/0x980 [ 289.306459] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 289.311992] alloc_pages_current+0x10c/0x210 [ 289.316396] ? lock_downgrade+0x900/0x900 [ 289.320556] __page_cache_alloc+0x38f/0x5b0 [ 289.324873] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 289.330668] ? ext4_filemap_fault+0x82/0xad [ 289.334987] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 289.339654] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 289.345191] ? check_preemption_disabled+0x48/0x200 [ 289.350207] filemap_fault+0x1594/0x25f0 [ 289.354283] ? __lock_page_or_retry+0xa00/0xa00 [ 289.358982] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 289.364788] ? unwind_dump+0x190/0x190 [ 289.368682] ? is_bpf_text_address+0xd3/0x170 [ 289.373207] ? filemap_map_pages+0xdea/0x1980 [ 289.377714] ? find_get_pages_range_tag+0x1320/0x1320 [ 289.382902] ? save_stack+0xa9/0xd0 [ 289.386536] ? save_stack+0x43/0xd0 [ 289.390152] ? __kasan_slab_free+0x102/0x150 [ 289.394561] ? __sigqueue_free.part.27+0x7d/0xa0 [ 289.399324] ? __dequeue_signal+0x530/0x7d0 [ 289.403638] ? dequeue_signal+0x26c/0x630 [ 289.407812] ? get_signal+0x3ec/0x1980 [ 289.411694] ? do_signal+0x9c/0x21e0 [ 289.415407] ? exit_to_usermode_loop+0x2e5/0x380 [ 289.420166] ? mark_held_locks+0x130/0x130 [ 289.424401] ? trace_hardirqs_on+0x310/0x310 [ 289.428825] ? lock_acquire+0x1ed/0x520 [ 289.432827] ? ext4_filemap_fault+0x7a/0xad [ 289.437180] ? lock_release+0x970/0x970 [ 289.441148] ? arch_local_save_flags+0x40/0x40 [ 289.445725] ? mark_held_locks+0x130/0x130 [ 289.449956] ? trace_hardirqs_off+0xb8/0x310 [ 289.454365] ? down_read+0xb0/0x1d0 [ 289.457987] ? ext4_filemap_fault+0x7a/0xad [ 289.462308] ? __down_interruptible+0x700/0x700 [ 289.467007] ? kmem_cache_free+0x21a/0x290 [ 289.471252] ? __sigqueue_free.part.27+0x7d/0xa0 [ 289.476005] ? __dequeue_signal+0xf9/0x7d0 [ 289.480296] ext4_filemap_fault+0x82/0xad [ 289.484442] __do_fault+0x100/0x6b0 [ 289.488071] ? print_bad_pte+0x6c0/0x6c0 [ 289.492126] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 289.497658] ? pmd_val+0x88/0x100 [ 289.501106] ? add_mm_counter_fast+0xd0/0xd0 [ 289.505537] ? pmd_val+0x88/0x100 [ 289.508985] ? add_mm_counter_fast+0xd0/0xd0 [ 289.513391] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 289.518927] __handle_mm_fault+0x3709/0x53e0 [ 289.523355] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 289.528192] ? kasan_check_write+0x14/0x20 [ 289.532421] ? do_raw_spin_lock+0xc1/0x200 [ 289.536660] ? _raw_spin_unlock_irq+0x60/0x80 [ 289.541153] ? __set_current_blocked+0xe4/0x120 [ 289.545827] ? lock_acquire+0x1ed/0x520 [ 289.549822] ? handle_mm_fault+0x42a/0xc70 [ 289.554054] ? lock_downgrade+0x900/0x900 [ 289.558206] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 289.564018] ? __do_page_fault+0x67d/0xed0 [ 289.568283] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 289.573768] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 289.579312] ? check_preemption_disabled+0x48/0x200 [ 289.584331] handle_mm_fault+0x54f/0xc70 [ 289.588391] ? __handle_mm_fault+0x53e0/0x53e0 [ 289.592969] ? find_vma+0x34/0x190 [ 289.596508] __do_page_fault+0x67d/0xed0 [ 289.600569] ? mm_fault_error+0x380/0x380 [ 289.604714] ? syscall_slow_exit_work+0x520/0x520 [ 289.609554] do_page_fault+0xf2/0x7e0 [ 289.613350] ? vmalloc_sync_all+0x30/0x30 [ 289.617515] ? error_entry+0x70/0xd0 [ 289.621227] ? trace_hardirqs_off_caller+0xbb/0x310 [ 289.626242] ? trace_hardirqs_on_caller+0xc0/0x310 [ 289.631171] ? syscall_return_slowpath+0x5e0/0x5e0 [ 289.636094] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 289.640931] ? trace_hardirqs_on_caller+0x310/0x310 [ 289.645943] ? trace_hardirqs_off+0x310/0x310 [ 289.650437] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 289.655487] ? prepare_exit_to_usermode+0x291/0x3b0 [ 289.660496] ? page_fault+0x8/0x30 [ 289.664066] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 289.668908] ? page_fault+0x8/0x30 [ 289.672443] page_fault+0x1e/0x30 [ 289.675895] RIP: 0033:0x45db60 [ 289.679092] Code: Bad RIP value. [ 289.682453] RSP: 002b:000000c420049ab8 EFLAGS: 00010286 [ 289.687811] RAX: 0000000000000000 RBX: 000000c420026380 RCX: 000000000045ddf3 [ 289.695077] RDX: 000000c420049ac0 RSI: 000000c420049bf0 RDI: 0000000000000011 [ 289.702356] RBP: 000000c420022f08 R08: 0000000000000000 R09: 0000000000000000 [ 289.709637] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42005c168 [ 289.716931] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000 [ 289.724232] CPU: 0 PID: 7800 Comm: syz-executor2 Not tainted 4.19.0-rc6+ #119 [ 289.724301] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 289.731503] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 289.731507] Call Trace: [ 289.731512] [ 289.731528] dump_stack+0x1c4/0x2b4 [ 289.731545] ? dump_stack_print_info.cold.2+0x52/0x52 [ 289.738126] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 289.747411] warn_alloc.cold.119+0xb7/0x1bd [ 289.749967] syz-fuzzer cpuset= [ 289.752107] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 289.755704] / [ 289.760887] ? lock_downgrade+0x900/0x900 [ 289.771087] mems_allowed=0 [ 289.775396] ? trace_hardirqs_off+0xb8/0x310 [ 289.796538] ? trace_hardirqs_off+0xb8/0x310 [ 289.800964] __alloc_pages_slowpath+0x2667/0x2d80 [ 289.805827] ? warn_alloc+0x120/0x120 [ 289.809626] ? warn_alloc+0x120/0x120 [ 289.813430] ? warn_alloc+0x120/0x120 [ 289.817230] ? mark_held_locks+0x130/0x130 [ 289.821465] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.826996] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 289.832531] ? should_fail+0x22d/0xd01 [ 289.836422] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 289.841528] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 289.847064] ? should_fail+0x22d/0xd01 [ 289.850954] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 289.856071] ? should_fail+0x22d/0xd01 [ 289.859957] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 289.865058] ? mark_held_locks+0x130/0x130 [ 289.869321] ? mark_held_locks+0x130/0x130 [ 289.873549] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.879116] ? try_to_wake_up+0x10a/0x12f0 [ 289.883345] ? lock_downgrade+0x900/0x900 [ 289.887492] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.893027] ? trace_hardirqs_off+0xb8/0x310 [ 289.897444] ? kasan_check_read+0x11/0x20 [ 289.901617] ? do_raw_spin_unlock+0xa7/0x2f0 [ 289.906039] ? trace_hardirqs_on+0x310/0x310 [ 289.910458] ? kasan_check_write+0x14/0x20 [ 289.914692] ? do_raw_spin_lock+0xc1/0x200 [ 289.918929] __alloc_pages_nodemask+0xa80/0xde0 [ 289.923608] ? should_fail+0x22d/0xd01 [ 289.927511] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 289.932542] ? ____cache_alloc_node+0x1c7/0x1e0 [ 289.937220] ? lock_downgrade+0x900/0x900 [ 289.941382] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.946936] cache_grow_begin+0x91/0x8c0 [ 289.950989] ? do_raw_spin_unlock+0xa7/0x2f0 [ 289.955397] fallback_alloc+0x203/0x2e0 [ 289.959369] ____cache_alloc_node+0x1c7/0x1e0 [ 289.963885] kmem_cache_alloc_node+0xe3/0x730 [ 289.968374] ? ipv6_get_ifaddr+0x42e/0x620 [ 289.972612] __alloc_skb+0x119/0x770 [ 289.976328] ? skb_scrub_packet+0x490/0x490 [ 289.980642] ? lock_downgrade+0x900/0x900 [ 289.984821] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.990360] ? refcount_sub_and_test_checked+0x203/0x310 [ 289.995817] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 290.001261] ? addrconf_rs_timer+0x690/0x690 [ 290.005668] ndisc_alloc_skb+0x144/0x340 [ 290.009729] ndisc_send_rs+0x331/0x6e0 [ 290.013644] addrconf_rs_timer+0x314/0x690 [ 290.017895] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.022139] call_timer_fn+0x272/0x920 [ 290.026039] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.030272] ? process_timeout+0x40/0x40 [ 290.034330] ? trace_hardirqs_off+0xb8/0x310 [ 290.038733] ? kasan_check_read+0x11/0x20 [ 290.042881] ? do_raw_spin_unlock+0xa7/0x2f0 [ 290.047302] ? trace_hardirqs_on+0x310/0x310 [ 290.051706] ? __run_timers+0x7da/0xc70 [ 290.055674] ? lock_downgrade+0x900/0x900 [ 290.059837] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 290.064949] ? trace_hardirqs_on+0xbd/0x310 [ 290.069263] ? kasan_check_read+0x11/0x20 [ 290.073408] ? __run_timers+0x7da/0xc70 [ 290.077409] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 290.082887] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.088422] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.092673] __run_timers+0x7e5/0xc70 [ 290.096475] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 290.101837] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 290.106850] ? timerqueue_add+0x207/0x2b0 [ 290.111015] ? enqueue_hrtimer+0x1a5/0x560 [ 290.115244] ? lock_release+0x970/0x970 [ 290.119229] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 290.124415] ? kasan_check_write+0x14/0x20 [ 290.128652] ? pvclock_read_flags+0x160/0x160 [ 290.133173] ? lock_downgrade+0x900/0x900 [ 290.137318] ? trace_hardirqs_on+0xbd/0x310 [ 290.141639] ? kvm_sched_clock_read+0x9/0x20 [ 290.146045] ? irq_exit+0x17f/0x1c0 [ 290.149682] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.155214] ? check_preemption_disabled+0x48/0x200 [ 290.160241] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.165784] run_timer_softirq+0x52/0xb0 [ 290.169866] ? __this_cpu_preempt_check+0x1c/0x1f [ 290.174702] __do_softirq+0x30b/0xad8 [ 290.178507] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 290.183608] ? pvclock_read_flags+0x160/0x160 [ 290.188097] ? lapic_next_event+0x5a/0x90 [ 290.192341] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.197873] ? clockevents_program_event+0x140/0x370 [ 290.202975] ? kvm_clock_read+0x18/0x30 [ 290.206946] ? kvm_sched_clock_read+0x9/0x20 [ 290.211354] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.216902] ? check_preemption_disabled+0x48/0x200 [ 290.221925] irq_exit+0x17f/0x1c0 [ 290.225375] smp_apic_timer_interrupt+0x1cb/0x760 [ 290.230210] ? smp_reschedule_interrupt+0x109/0x650 [ 290.235222] ? smp_call_function_single_interrupt+0x650/0x650 [ 290.241103] ? interrupt_entry+0xb5/0xf0 [ 290.245189] ? trace_hardirqs_off_caller+0xbb/0x310 [ 290.250203] ? trace_hardirqs_off_caller+0xbb/0x310 [ 290.255218] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 290.260088] ? trace_hardirqs_on_caller+0x310/0x310 [ 290.265097] ? trace_hardirqs_on_caller+0x310/0x310 [ 290.270111] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.275643] ? check_preemption_disabled+0x48/0x200 [ 290.280659] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 290.285502] apic_timer_interrupt+0xf/0x20 [ 290.289729] [ 290.291987] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 290.297901] Code: 3f 7e 0f 85 32 ff ff ff e8 53 4a 3e ff e9 28 ff ff ff e8 ba ad c2 ff 48 83 3d 0a bf 6f 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 62 23 [ 290.316808] RSP: 0018:ffff88019a29f4a8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 290.324514] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000627e000 [ 290.331803] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 290.339095] RBP: ffff88019a29f520 R08: ffff8801ba14e480 R09: fffffbfff12720c0 [ 290.346355] R10: ffff88019a29e0f0 R11: ffffffff89390603 R12: ffff8801da800ac0 [ 290.353620] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286 [ 290.360923] ? trace_hardirqs_on+0xb4/0x310 [ 290.365247] ? save_stack+0xa9/0xd0 [ 290.368878] __kmalloc_node_track_caller+0x33/0x70 [ 290.373816] __kmalloc_reserve.isra.39+0xcc/0xe0 [ 290.378573] pskb_expand_head+0x230/0x10f0 [ 290.382811] ? lock_downgrade+0x900/0x900 [ 290.386967] ? check_preemption_disabled+0x48/0x200 [ 290.391974] ? memcpy+0x45/0x50 [ 290.395251] ? __copy_skb_header+0x350/0x6b0 [ 290.399652] ? __pskb_copy_fclone+0xeb0/0xeb0 [ 290.404143] ? skb_checksum+0x140/0x140 [ 290.408117] ? trace_hardirqs_on+0xbd/0x310 [ 290.412438] ? skb_clone+0x1bb/0x500 [ 290.416148] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 290.421591] ? kasan_unpoison_shadow+0x35/0x50 [ 290.426168] ? kasan_check_write+0x14/0x20 [ 290.430402] ? __skb_clone+0x6c7/0xa00 [ 290.434290] ? __copy_skb_header+0x6b0/0x6b0 [ 290.438694] ? kmem_cache_alloc+0x306/0x730 [ 290.443050] skb_ensure_writable+0x3dd/0x640 [ 290.447460] ? skb_cow_data+0xf10/0xf10 [ 290.451428] ? check_preemption_disabled+0x48/0x200 [ 290.456444] ? __this_cpu_preempt_check+0x1c/0x1f [ 290.461283] ? __bpf_redirect+0x54b/0xb20 [ 290.465425] ? __switch_to_asm+0x34/0x70 [ 290.469484] bpf_clone_redirect+0x14a/0x490 [ 290.473838] bpf_prog_3d1649e183dc2cc1+0xca3/0x1000 [ 290.478854] ? __sched_text_start+0x8/0x8 [ 290.483002] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 290.487772] ? retint_kernel+0x2d/0x2d [ 290.491721] ? trace_hardirqs_on_caller+0xc0/0x310 [ 290.496654] ? retint_kernel+0x2d/0x2d [ 290.500533] ? trace_hardirqs_on_caller+0xc0/0x310 [ 290.505461] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 290.510215] ? trace_hardirqs_off+0x310/0x310 [ 290.514709] ? retint_kernel+0x1b/0x2d [ 290.518617] ? lock_acquire+0x1ed/0x520 [ 290.522631] ? bpf_test_run+0x3cb/0x780 [ 290.526605] ? lock_downgrade+0x900/0x900 [ 290.530745] ? lock_release+0x970/0x970 [ 290.534720] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 290.540511] ? preempt_schedule_common+0x1f/0xd0 [ 290.545277] ? preempt_schedule+0x4d/0x60 [ 290.549417] ? ___preempt_schedule+0x16/0x18 [ 290.553841] ? bpf_test_run+0x25d/0x780 [ 290.557831] ? netlink_diag_dump+0x2a0/0x2a0 [ 290.562241] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 290.567770] ? bpf_test_init.isra.9+0x70/0x100 [ 290.572362] ? bpf_prog_test_run_skb+0x634/0xb40 [ 290.577116] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 290.581952] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 290.587499] ? fput+0x130/0x1a0 [ 290.590832] ? __bpf_prog_get+0x9b/0x290 [ 290.594937] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 290.599783] ? bpf_prog_test_run+0x130/0x1a0 [ 290.604196] ? __x64_sys_bpf+0x3d8/0x510 [ 290.608251] ? bpf_prog_get+0x20/0x20 [ 290.612074] ? __x64_sys_futex+0x4bc/0x6a0 [ 290.616311] ? do_syscall_64+0x1b9/0x820 [ 290.620368] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 290.625733] ? syscall_return_slowpath+0x5e0/0x5e0 [ 290.630658] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 290.635497] ? trace_hardirqs_on_caller+0x310/0x310 [ 290.640510] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 290.645523] ? prepare_exit_to_usermode+0x291/0x3b0 [ 290.650535] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 290.655379] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 290.660747] warn_alloc_show_mem: 1 callbacks suppressed [ 290.660757] CPU: 1 PID: 5806 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #119 [ 290.660759] Mem-Info: [ 290.660801] active_anon:46475 inactive_anon:4207 isolated_anon:0 [ 290.660801] active_file:17 inactive_file:13 isolated_file:0 [ 290.660801] unevictable:0 dirty:0 writeback:0 unstable:0 [ 290.660801] slab_reclaimable:8782 slab_unreclaimable:1485678 [ 290.660801] mapped:8194 shmem:4214 pagetables:396 bounce:0 [ 290.660801] free:13756 free_pcp:276 free_cma:0 [ 290.666128] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 290.673142] Node 0 active_anon:185900kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32776kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 290.675551] Call Trace: [ 290.708495] Node 0 [ 290.717833] [ 290.745596] 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 [ 290.748148] dump_stack+0x1c4/0x2b4 [ 290.750356] lowmem_reserve[]: [ 290.752502] ? dump_stack_print_info.cold.2+0x52/0x52 [ 290.777974] 0 [ 290.781613] warn_alloc.cold.119+0xb7/0x1bd [ 290.784700] 2819 [ 290.789882] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 290.791659] 6323 [ 290.795970] ? lock_downgrade+0x900/0x900 [ 290.798004] 6323 [ 290.802851] ? trace_hardirqs_off+0xb8/0x310 [ 290.809028] ? trace_hardirqs_off+0xb8/0x310 [ 290.811062] Node 0 [ 290.815466] __alloc_pages_slowpath+0x2667/0x2d80 [ 290.819867] DMA32 free:25168kB min:30060kB low:37572kB high:45084kB active_anon:10240kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 290.822082] ? warn_alloc+0x120/0x120 [ 290.826888] lowmem_reserve[]: [ 290.854116] ? trace_hardirqs_on+0x310/0x310 [ 290.857888] 0 [ 290.860985] ? warn_alloc+0x120/0x120 [ 290.865382] 0 [ 290.867187] ? warn_alloc+0x120/0x120 [ 290.870962] 3503 [ 290.872753] ? ktime_get+0x2e1/0x440 [ 290.876541] 3503 [ 290.878612] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.882298] Node 0 [ 290.884355] ? check_preemption_disabled+0x48/0x200 [ 290.889887] Normal free:13948kB min:37352kB low:46688kB high:56024kB active_anon:175660kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5056kB pagetables:1584kB bounce:0kB free_pcp:856kB local_pcp:320kB free_cma:0kB [ 290.892086] ? kasan_check_read+0x11/0x20 [ 290.897071] lowmem_reserve[]: [ 290.925527] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 290.929649] 0 [ 290.932762] ? should_fail+0x22d/0xd01 [ 290.938274] 0 [ 290.940076] ? rcu_bh_qs+0xc0/0xc0 [ 290.943930] 0 [ 290.945714] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 290.945736] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 290.945743] ? should_fail+0x22d/0xd01 [ 290.945752] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 290.945758] ? should_fail+0x22d/0xd01 [ 290.945765] ? rcu_idle_enter+0x4b0/0x4b0 [ 290.945773] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 290.945809] ? mark_held_locks+0x130/0x130 [ 290.945824] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.949343] 0 [ 290.951141] ? mark_held_locks+0x130/0x130 [ 290.961745] ? rcu_irq_exit+0xce/0x100 [ 290.965603] Node 0 [ 290.970698] ? irq_exit+0xbd/0x1c0 [ 290.974557] DMA: [ 290.978692] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 290.983768] 1*4kB [ 290.988002] ? do_raw_spin_unlock+0xa7/0x2f0 [ 290.993510] (U) [ 290.995301] ? smp_call_function_single_interrupt+0x650/0x650 [ 290.999508] 0*8kB [ 291.003395] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.005608] 0*16kB [ 291.009137] ? ret_from_intr+0xb/0x1e [ 291.011176] 1*32kB [ 291.016184] ? retint_kernel+0x2d/0x2d [ 291.018309] (U) [ 291.022710] ? trace_hardirqs_on_caller+0xc0/0x310 [ 291.024664] 2*64kB [ 291.030535] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 291.032660] (U) [ 291.038198] ? trace_hardirqs_off+0x310/0x310 [ 291.040411] 1*128kB [ 291.044202] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 291.046414] (U) [ 291.050298] __alloc_pages_nodemask+0xa80/0xde0 [ 291.052244] 1*256kB [ 291.057164] ? should_fail+0x22d/0xd01 [ 291.059373] (U) [ 291.064120] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 291.066083] 0*512kB [ 291.070575] ? ____cache_alloc_node+0x1c7/0x1e0 [ 291.072866] 1*1024kB [ 291.078479] ? lock_downgrade+0x900/0x900 [ 291.080434] (U) [ 291.085107] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.087402] 1*2048kB [ 291.091279] cache_grow_begin+0x91/0x8c0 [ 291.093229] (M) [ 291.098235] ? do_raw_spin_unlock+0xa7/0x2f0 [ 291.100535] 3*4096kB [ 291.105190] fallback_alloc+0x203/0x2e0 [ 291.107572] (M) [ 291.111711] ____cache_alloc_node+0x1c7/0x1e0 [ 291.113663] = 15908kB [ 291.119191] kmem_cache_alloc_node+0xe3/0x730 [ 291.121576] Node 0 [ 291.125628] ? ipv6_get_ifaddr+0x42e/0x620 [ 291.127579] DMA32: [ 291.131979] __alloc_skb+0x119/0x770 [ 291.134360] 2*4kB [ 291.138322] ? skb_scrub_packet+0x490/0x490 [ 291.140271] (M) [ 291.144758] ? lock_downgrade+0x900/0x900 [ 291.147147] 1*8kB [ 291.151629] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.153841] (M) [ 291.158070] ? refcount_sub_and_test_checked+0x203/0x310 [ 291.160290] 2*16kB (M) [ 291.164005] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 291.166130] 3*32kB [ 291.170436] ? addrconf_rs_timer+0x690/0x690 [ 291.172389] (MH) [ 291.176530] ndisc_alloc_skb+0x144/0x340 [ 291.178655] 5*64kB [ 291.184179] ndisc_send_rs+0x331/0x6e0 [ 291.186134] (MH) [ 291.191576] addrconf_rs_timer+0x314/0x690 [ 291.194137] 3*128kB [ 291.199572] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 291.201791] (M) [ 291.206191] call_timer_fn+0x272/0x920 [ 291.208256] 5*256kB [ 291.212300] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 291.214524] (UMH) [ 291.218419] ? process_timeout+0x40/0x40 [ 291.220458] 5*512kB [ 291.224694] ? trace_hardirqs_off+0xb8/0x310 [ 291.226990] (UMH) [ 291.231211] ? kasan_check_read+0x11/0x20 [ 291.233161] 4*1024kB [ 291.237040] ? do_raw_spin_unlock+0xa7/0x2f0 [ 291.239352] (UMH) [ 291.243584] ? trace_hardirqs_on+0x310/0x310 [ 291.245703] 2*2048kB [ 291.249754] ? __run_timers+0x7da/0xc70 [ 291.252053] (M) [ 291.256493] ? lock_downgrade+0x900/0x900 [ 291.258617] 3*4096kB [ 291.262768] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 291.265170] (M) [ 291.269571] ? trace_hardirqs_on+0xbd/0x310 [ 291.271694] = 25168kB [ 291.276098] ? kasan_check_read+0x11/0x20 [ 291.278486] Node 0 [ 291.282447] ? __run_timers+0x7da/0xc70 [ 291.284397] Normal: [ 291.288549] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 291.290936] 1081*4kB [ 291.296038] ? kasan_check_write+0x14/0x20 [ 291.297986] (UMEH) [ 291.302301] ? do_raw_spin_lock+0xc1/0x200 [ 291.304682] 387*8kB [ 291.308818] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 291.311036] (ME) [ 291.315010] __run_timers+0x7e5/0xc70 [ 291.317309] 152*16kB [ 291.322749] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 291.325130] (UME) [ 291.329354] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 291.331563] 54*32kB [ 291.335793] ? timerqueue_add+0x207/0x2b0 [ 291.338096] (UME) [ 291.342321] ? enqueue_hrtimer+0x1a5/0x560 [ 291.344357] 21*64kB [ 291.348146] ? lock_release+0x970/0x970 [ 291.350527] (UM) [ 291.355879] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 291.358009] 0*128kB [ 291.363028] ? check_preemption_disabled+0x48/0x200 [ 291.365330] 0*256kB [ 291.369482] ? kasan_check_write+0x14/0x20 [ 291.371607] 2*512kB [ 291.375829] ? pvclock_read_flags+0x160/0x160 [ 291.378159] (U) [ 291.382120] ? lock_downgrade+0x900/0x900 [ 291.384170] 0*1024kB [ 291.389354] ? trace_hardirqs_on+0xbd/0x310 [ 291.391652] 0*2048kB [ 291.396656] ? kvm_sched_clock_read+0x9/0x20 [ 291.398983] 0*4096kB [ 291.403222] ? irq_exit+0x17f/0x1c0 [ 291.405521] = 13948kB [ 291.410010] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.411969] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 291.416111] ? check_preemption_disabled+0x48/0x200 [ 291.418500] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 291.422815] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.425204] 4244 total pagecache pages [ 291.429606] run_timer_softirq+0x52/0xb0 [ 291.431993] 0 pages in swap cache [ 291.435609] ? __this_cpu_preempt_check+0x1c/0x1f [ 291.438003] Swap cache stats: add 0, delete 0, find 0/0 [ 291.443536] __do_softirq+0x30b/0xad8 [ 291.452343] Free swap = 0kB [ 291.457350] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 291.465943] Total swap = 0kB [ 291.471467] ? pvclock_read_flags+0x160/0x160 [ 291.475327] 1965979 pages RAM [ 291.479379] ? lapic_next_event+0x5a/0x90 [ 291.482833] 0 pages HighMem/MovableOnly [ 291.487679] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.493017] 342307 pages reserved [ 291.496815] ? clockevents_program_event+0x140/0x370 [ 291.499812] 0 pages cma reserved [ 291.504904] ? kvm_clock_read+0x18/0x30 [ 291.507960] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 291.512393] ? kvm_sched_clock_read+0x9/0x20 [ 291.515511] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 291.519618] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.523565] syz-executor2 cpuset= [ 291.529105] ? check_preemption_disabled+0x48/0x200 [ 291.532530] syz2 [ 291.537623] irq_exit+0x17f/0x1c0 [ 291.540961] mems_allowed=0 [ 291.544940] smp_apic_timer_interrupt+0x1cb/0x760 [ 291.593418] ? smp_reschedule_interrupt+0x109/0x650 [ 291.598427] ? smp_call_function_single_interrupt+0x650/0x650 [ 291.604309] ? interrupt_entry+0xb5/0xf0 [ 291.608373] ? trace_hardirqs_off_caller+0xbb/0x310 [ 291.613386] ? trace_hardirqs_off_caller+0xbb/0x310 [ 291.618397] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 291.623235] ? trace_hardirqs_on_caller+0x310/0x310 [ 291.628260] ? trace_hardirqs_on_caller+0x310/0x310 [ 291.633274] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 291.638811] ? check_preemption_disabled+0x48/0x200 [ 291.643820] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 291.649357] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 291.654200] apic_timer_interrupt+0xf/0x20 [ 291.658423] [ 291.660661] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 291.665847] Code: 00 e8 97 f5 a3 f9 e8 d2 63 d3 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d 24 75 80 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d fa 74 [ 291.684746] RSP: 0000:ffff8801bbdd6150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 291.692476] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 291.699743] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe740 [ 291.707005] RBP: ffff8801bbdd6178 R08: ffff8801d838c080 R09: ffffed003b5e5979 [ 291.714268] R10: ffffed003b5e5979 R11: ffff8801daf2cbcb R12: dffffc0000000000 [ 291.721534] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 291.728816] ? trace_hardirqs_on+0x9a/0x310 [ 291.733131] ? trace_hardirqs_on+0xb4/0x310 [ 291.737454] retint_kernel+0x1b/0x2d [ 291.741164] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 291.746435] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 21 17 fa 48 83 3d 99 9c 86 01 00 75 07 e8 9a 7f d3 f9 0f 0b e8 93 7f d3 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 21 17 fa 4c 8b 45 d0 e9 [ 291.765328] RSP: 0000:ffff8801bbdd6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 291.773050] RAX: ffff8801d838c080 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 291.780316] RDX: 0000000000000000 RSI: ffffffff87ab55fd RDI: 0000000000000293 [ 291.787580] RBP: ffff8801bbdd6240 R08: ffff8801d838c080 R09: fffffbfff13d9700 [ 291.794842] R10: fffffbfff13d9700 R11: 0000000000000003 R12: 0000000000000293 [ 291.802106] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff8931f280 [ 291.809379] ? trace_hardirqs_on+0x9a/0x310 [ 291.813695] ? arch_local_irq_restore+0x45/0x52 [ 291.818363] dump_stack+0x26a/0x2b4 [ 291.822004] ? dump_stack_print_info.cold.2+0x52/0x52 [ 291.827206] ? mark_held_locks+0x130/0x130 [ 291.831438] ? mark_held_locks+0x130/0x130 [ 291.835672] dump_header+0x27b/0xf72 [ 291.839385] ? rcu_read_unlock+0x16/0x60 [ 291.843445] ? pagefault_out_of_memory+0x197/0x197 [ 291.848372] ? mark_held_locks+0x130/0x130 [ 291.852605] ? percpu_ref_put_many+0x13e/0x260 [ 291.857218] ? mem_cgroup_charge_statistics+0x780/0x780 [ 291.862585] ? mem_cgroup_iter+0x1f7/0x1160 [ 291.866900] ? mark_held_locks+0x130/0x130 [ 291.871137] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.876669] ? task_will_free_mem+0x239/0xb30 [ 291.881183] ? ___ratelimit+0x36f/0x655 [ 291.885158] ? lock_downgrade+0x900/0x900 [ 291.889309] ? trace_hardirqs_on+0xbd/0x310 [ 291.893644] ? kasan_check_read+0x11/0x20 [ 291.897790] ? ___ratelimit+0x36f/0x655 [ 291.901768] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 291.907222] ? trace_hardirqs_on+0x310/0x310 [ 291.911629] ? lock_downgrade+0x900/0x900 [ 291.915773] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 291.920878] ? ___ratelimit+0xaa/0x655 [ 291.924784] ? idr_get_free+0xec0/0xec0 [ 291.928751] ? kasan_check_write+0x14/0x20 [ 291.932994] ? do_raw_spin_lock+0xc1/0x200 [ 291.937263] oom_kill_process.cold.27+0x10/0x903 [ 291.942016] ? lock_downgrade+0x900/0x900 [ 291.946169] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 291.951998] ? oom_evaluate_task+0x540/0x540 [ 291.956409] ? shrink_node+0x16b0/0x16b0 [ 291.960469] ? oom_unkillable_task+0x383/0x580 [ 291.965048] ? out_of_memory+0x974/0x1430 [ 291.969218] ? lock_downgrade+0x900/0x900 [ 291.973364] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 291.979158] ? __cpuset_node_allowed+0x19b/0x660 [ 291.983928] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 291.989462] ? oom_evaluate_task+0x302/0x540 [ 291.993868] out_of_memory+0xa84/0x1430 [ 291.997846] ? oom_killer_disable+0x3a0/0x3a0 [ 292.002341] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 292.007271] ? __mutex_add_waiter+0x2a0/0x2a0 [ 292.011771] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 292.016813] ? find_next_bit+0x104/0x130 [ 292.020876] __alloc_pages_slowpath+0x2318/0x2d80 [ 292.025747] ? warn_alloc+0x120/0x120 [ 292.029548] ? __radix_tree_lookup+0x4c0/0x4c0 [ 292.034133] ? find_get_entry+0x2f2/0xc40 [ 292.038284] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 292.043227] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 292.048789] ? should_fail+0x22d/0xd01 [ 292.052694] ? ___might_sleep+0x1ed/0x300 [ 292.056840] ? lock_release+0x970/0x970 [ 292.060839] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 292.065939] ? debug_smp_processor_id+0x1c/0x20 [ 292.070609] ? __might_sleep+0x95/0x190 [ 292.074587] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 292.079428] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 292.084445] ? lock_downgrade+0x900/0x900 [ 292.088589] ? ___might_sleep+0x1ed/0x300 [ 292.092736] ? lock_release+0x970/0x970 [ 292.096721] ? arch_local_save_flags+0x40/0x40 [ 292.101302] ? finish_task_switch+0x1f5/0x900 [ 292.105802] ? __might_sleep+0x95/0x190 [ 292.109815] __alloc_pages_nodemask+0xa80/0xde0 [ 292.114484] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 292.119497] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 292.125321] ? kasan_check_write+0x14/0x20 [ 292.129552] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 292.134224] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.139755] ? __do_page_cache_readahead+0x7ce/0x980 [ 292.144867] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 292.150405] alloc_pages_current+0x10c/0x210 [ 292.154835] ? lock_downgrade+0x900/0x900 [ 292.158981] __page_cache_alloc+0x38f/0x5b0 [ 292.163306] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 292.169119] ? ext4_filemap_fault+0x82/0xad [ 292.173454] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 292.178123] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 292.183656] ? check_preemption_disabled+0x48/0x200 [ 292.188667] filemap_fault+0x1594/0x25f0 [ 292.192734] ? __lock_page_or_retry+0xa00/0xa00 [ 292.197420] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 292.203213] ? unwind_dump+0x190/0x190 [ 292.207108] ? is_bpf_text_address+0xd3/0x170 [ 292.211606] ? filemap_map_pages+0xdea/0x1980 [ 292.216110] ? find_get_pages_range_tag+0x1320/0x1320 [ 292.221301] ? save_stack+0xa9/0xd0 [ 292.224923] ? save_stack+0x43/0xd0 [ 292.228543] ? __kasan_slab_free+0x102/0x150 [ 292.232963] ? __sigqueue_free.part.27+0x7d/0xa0 [ 292.237724] ? __dequeue_signal+0x530/0x7d0 [ 292.242042] ? dequeue_signal+0x26c/0x630 [ 292.246189] ? get_signal+0x3ec/0x1980 [ 292.250076] ? do_signal+0x9c/0x21e0 [ 292.253794] ? exit_to_usermode_loop+0x2e5/0x380 [ 292.258553] ? mark_held_locks+0x130/0x130 [ 292.262794] ? trace_hardirqs_on+0x310/0x310 [ 292.267216] ? lock_acquire+0x1ed/0x520 [ 292.271185] ? ext4_filemap_fault+0x7a/0xad [ 292.275522] ? lock_release+0x970/0x970 [ 292.279491] ? arch_local_save_flags+0x40/0x40 [ 292.284083] ? mark_held_locks+0x130/0x130 [ 292.288313] ? trace_hardirqs_off+0xb8/0x310 [ 292.292721] ? down_read+0xb0/0x1d0 [ 292.296340] ? ext4_filemap_fault+0x7a/0xad [ 292.300658] ? __down_interruptible+0x700/0x700 [ 292.305319] ? kmem_cache_free+0x21a/0x290 [ 292.309555] ? __sigqueue_free.part.27+0x7d/0xa0 [ 292.314309] ? __dequeue_signal+0xf9/0x7d0 [ 292.318545] ext4_filemap_fault+0x82/0xad [ 292.322694] __do_fault+0x100/0x6b0 [ 292.326325] ? print_bad_pte+0x6c0/0x6c0 [ 292.330385] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 292.335918] ? pmd_val+0x88/0x100 [ 292.339371] ? add_mm_counter_fast+0xd0/0xd0 [ 292.343770] ? pmd_val+0x88/0x100 [ 292.347251] ? add_mm_counter_fast+0xd0/0xd0 [ 292.351663] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 292.357199] __handle_mm_fault+0x3709/0x53e0 [ 292.361608] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 292.366445] ? kasan_check_write+0x14/0x20 [ 292.370676] ? do_raw_spin_lock+0xc1/0x200 [ 292.374907] ? _raw_spin_unlock_irq+0x60/0x80 [ 292.379397] ? __set_current_blocked+0xe4/0x120 [ 292.384065] ? lock_acquire+0x1ed/0x520 [ 292.388048] ? handle_mm_fault+0x42a/0xc70 [ 292.392280] ? lock_downgrade+0x900/0x900 [ 292.396461] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 292.402257] ? __do_page_fault+0x67d/0xed0 [ 292.406493] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 292.411940] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 292.417471] ? check_preemption_disabled+0x48/0x200 [ 292.422492] handle_mm_fault+0x54f/0xc70 [ 292.426553] ? __handle_mm_fault+0x53e0/0x53e0 [ 292.431135] ? find_vma+0x34/0x190 [ 292.434674] __do_page_fault+0x67d/0xed0 [ 292.438735] ? mm_fault_error+0x380/0x380 [ 292.442885] ? syscall_slow_exit_work+0x520/0x520 [ 292.447727] do_page_fault+0xf2/0x7e0 [ 292.451524] ? vmalloc_sync_all+0x30/0x30 [ 292.455684] ? error_entry+0x70/0xd0 [ 292.459394] ? trace_hardirqs_off_caller+0xbb/0x310 [ 292.464422] ? trace_hardirqs_on_caller+0xc0/0x310 [ 292.469346] ? syscall_return_slowpath+0x5e0/0x5e0 [ 292.474287] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 292.479129] ? trace_hardirqs_on_caller+0x310/0x310 [ 292.484147] ? trace_hardirqs_off+0x310/0x310 [ 292.488644] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 292.493656] ? prepare_exit_to_usermode+0x291/0x3b0 [ 292.498668] ? page_fault+0x8/0x30 [ 292.502209] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 292.507066] ? page_fault+0x8/0x30 [ 292.510601] page_fault+0x1e/0x30 [ 292.514068] RIP: 0033:0x45db60 [ 292.517260] Code: Bad RIP value. [ 292.520622] RSP: 002b:000000c420049ab8 EFLAGS: 00010286 [ 292.525996] RAX: 0000000000000000 RBX: 000000c420026380 RCX: 000000000045ddf3 [ 292.533262] RDX: 000000c420049ac0 RSI: 000000c420049bf0 RDI: 0000000000000011 [ 292.540530] RBP: 000000c420022f08 R08: 0000000000000000 R09: 0000000000000000 [ 292.547802] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42005c168 [ 292.555065] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000 [ 292.562359] CPU: 0 PID: 7800 Comm: syz-executor2 Not tainted 4.19.0-rc6+ #119 [ 292.562414] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 292.569636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 292.569640] Call Trace: [ 292.569646] [ 292.569661] dump_stack+0x1c4/0x2b4 [ 292.569677] ? dump_stack_print_info.cold.2+0x52/0x52 [ 292.576192] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 292.585497] warn_alloc.cold.119+0xb7/0x1bd [ 292.588058] syz-fuzzer cpuset= [ 292.590202] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 292.593806] / [ 292.598988] ? lock_downgrade+0x900/0x900 [ 292.609190] mems_allowed=0 [ 292.613499] ? trace_hardirqs_off+0xb8/0x310 [ 292.634628] ? trace_hardirqs_off+0xb8/0x310 [ 292.639050] __alloc_pages_slowpath+0x2667/0x2d80 [ 292.643904] ? warn_alloc+0x120/0x120 [ 292.647702] ? warn_alloc+0x120/0x120 [ 292.651500] ? warn_alloc+0x120/0x120 [ 292.655315] ? mark_held_locks+0x130/0x130 [ 292.659546] ? trace_hardirqs_on+0x310/0x310 [ 292.663949] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.669479] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 292.675015] ? should_fail+0x22d/0xd01 [ 292.678902] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 292.683998] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 292.689531] ? should_fail+0x22d/0xd01 [ 292.693468] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 292.698563] ? should_fail+0x22d/0xd01 [ 292.702478] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 292.707581] ? mark_held_locks+0x130/0x130 [ 292.711819] ? mark_held_locks+0x130/0x130 [ 292.716098] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.721631] ? trace_hardirqs_off+0xb8/0x310 [ 292.726036] ? kasan_check_read+0x11/0x20 [ 292.730209] ? do_raw_spin_unlock+0xa7/0x2f0 [ 292.734627] ? trace_hardirqs_on+0x310/0x310 [ 292.739029] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.744561] ? wq_watchdog_touch+0x9c/0xfe [ 292.748803] ? io_serial_in+0x11/0x90 [ 292.752600] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.758139] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 292.763245] __alloc_pages_nodemask+0xa80/0xde0 [ 292.767915] ? should_fail+0x22d/0xd01 [ 292.771811] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 292.776837] ? ____cache_alloc_node+0x1c7/0x1e0 [ 292.781505] ? lock_downgrade+0x900/0x900 [ 292.785667] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.791208] cache_grow_begin+0x91/0x8c0 [ 292.795263] ? do_raw_spin_unlock+0xa7/0x2f0 [ 292.799671] fallback_alloc+0x203/0x2e0 [ 292.803643] ____cache_alloc_node+0x1c7/0x1e0 [ 292.808147] kmem_cache_alloc_node+0xe3/0x730 [ 292.812639] ? ipv6_get_ifaddr+0x42e/0x620 [ 292.816874] __alloc_skb+0x119/0x770 [ 292.820587] ? skb_scrub_packet+0x490/0x490 [ 292.824905] ? lock_downgrade+0x900/0x900 [ 292.829056] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.834587] ? refcount_sub_and_test_checked+0x203/0x310 [ 292.840033] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 292.845473] ? addrconf_rs_timer+0x690/0x690 [ 292.849885] ndisc_alloc_skb+0x144/0x340 [ 292.853941] ndisc_send_rs+0x331/0x6e0 [ 292.857827] addrconf_rs_timer+0x314/0x690 [ 292.862060] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.866323] call_timer_fn+0x272/0x920 [ 292.870206] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.874437] ? process_timeout+0x40/0x40 [ 292.878518] ? trace_hardirqs_off+0xb8/0x310 [ 292.882955] ? kasan_check_read+0x11/0x20 [ 292.887099] ? do_raw_spin_unlock+0xa7/0x2f0 [ 292.891505] ? trace_hardirqs_on+0x310/0x310 [ 292.895911] ? __run_timers+0x7da/0xc70 [ 292.899884] ? lock_downgrade+0x900/0x900 [ 292.904029] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 292.909130] ? trace_hardirqs_on+0xbd/0x310 [ 292.913442] ? kasan_check_read+0x11/0x20 [ 292.917584] ? __run_timers+0x7da/0xc70 [ 292.921556] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 292.927004] ? kasan_check_write+0x14/0x20 [ 292.931240] ? do_raw_spin_lock+0xc1/0x200 [ 292.935468] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.939696] __run_timers+0x7e5/0xc70 [ 292.943518] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 292.949322] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 292.954335] ? timerqueue_add+0x207/0x2b0 [ 292.958482] ? enqueue_hrtimer+0x1a5/0x560 [ 292.962710] ? lock_release+0x970/0x970 [ 292.966680] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 292.971870] ? kasan_check_write+0x14/0x20 [ 292.976104] ? pvclock_read_flags+0x160/0x160 [ 292.980615] ? lock_downgrade+0x900/0x900 [ 292.984762] ? trace_hardirqs_on+0xbd/0x310 [ 292.989090] ? kvm_sched_clock_read+0x9/0x20 [ 292.993494] ? irq_exit+0x17f/0x1c0 [ 292.997118] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.002652] ? check_preemption_disabled+0x48/0x200 [ 293.007668] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.013208] run_timer_softirq+0x52/0xb0 [ 293.017262] ? __this_cpu_preempt_check+0x1c/0x1f [ 293.022103] __do_softirq+0x30b/0xad8 [ 293.025920] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 293.031021] ? pvclock_read_flags+0x160/0x160 [ 293.035510] ? lapic_next_event+0x5a/0x90 [ 293.039658] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.045190] ? clockevents_program_event+0x140/0x370 [ 293.050291] ? kvm_clock_read+0x18/0x30 [ 293.054261] ? kvm_sched_clock_read+0x9/0x20 [ 293.058670] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.064199] ? check_preemption_disabled+0x48/0x200 [ 293.069217] irq_exit+0x17f/0x1c0 [ 293.072692] smp_apic_timer_interrupt+0x1cb/0x760 [ 293.077529] ? smp_reschedule_interrupt+0x109/0x650 [ 293.082548] ? smp_call_function_single_interrupt+0x650/0x650 [ 293.088428] ? interrupt_entry+0xb5/0xf0 [ 293.092486] ? trace_hardirqs_off_caller+0xbb/0x310 [ 293.097511] ? trace_hardirqs_off_caller+0xbb/0x310 [ 293.102526] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 293.107362] ? trace_hardirqs_on_caller+0x310/0x310 [ 293.112373] ? trace_hardirqs_on_caller+0x310/0x310 [ 293.117390] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.122938] ? check_preemption_disabled+0x48/0x200 [ 293.128015] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 293.132861] apic_timer_interrupt+0xf/0x20 [ 293.137085] [ 293.139326] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 293.145209] Code: 3f 7e 0f 85 32 ff ff ff e8 53 4a 3e ff e9 28 ff ff ff e8 ba ad c2 ff 48 83 3d 0a bf 6f 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 62 23 [ 293.164100] RSP: 0018:ffff88019a29f4a8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 293.171809] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000627e000 [ 293.179082] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 293.186347] RBP: ffff88019a29f520 R08: ffff8801ba14e480 R09: fffffbfff12720c0 [ 293.193607] R10: ffff88019a29e0f0 R11: ffffffff89390603 R12: ffff8801da800ac0 [ 293.200875] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286 [ 293.208151] ? trace_hardirqs_on+0xb4/0x310 [ 293.212468] ? save_stack+0xa9/0xd0 [ 293.216096] __kmalloc_node_track_caller+0x33/0x70 [ 293.221037] __kmalloc_reserve.isra.39+0xcc/0xe0 [ 293.225805] pskb_expand_head+0x230/0x10f0 [ 293.230100] ? lock_downgrade+0x900/0x900 [ 293.234258] ? check_preemption_disabled+0x48/0x200 [ 293.239280] ? memcpy+0x45/0x50 [ 293.242588] ? __copy_skb_header+0x350/0x6b0 [ 293.246994] ? __pskb_copy_fclone+0xeb0/0xeb0 [ 293.251483] ? skb_checksum+0x140/0x140 [ 293.255469] ? trace_hardirqs_on+0xbd/0x310 [ 293.259797] ? skb_clone+0x1bb/0x500 [ 293.263509] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 293.268957] ? kasan_unpoison_shadow+0x35/0x50 [ 293.273548] ? kasan_check_write+0x14/0x20 [ 293.277803] ? __skb_clone+0x6c7/0xa00 [ 293.281694] ? __copy_skb_header+0x6b0/0x6b0 [ 293.286098] ? kmem_cache_alloc+0x306/0x730 [ 293.290422] skb_ensure_writable+0x3dd/0x640 [ 293.294828] ? skb_cow_data+0xf10/0xf10 [ 293.298818] ? check_preemption_disabled+0x48/0x200 [ 293.303837] ? __this_cpu_preempt_check+0x1c/0x1f [ 293.308675] ? __bpf_redirect+0x54b/0xb20 [ 293.312853] ? __switch_to_asm+0x34/0x70 [ 293.316943] bpf_clone_redirect+0x14a/0x490 [ 293.321267] bpf_prog_3d1649e183dc2cc1+0xca3/0x1000 [ 293.326279] ? __sched_text_start+0x8/0x8 [ 293.330423] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 293.335171] ? retint_kernel+0x2d/0x2d [ 293.339053] ? trace_hardirqs_on_caller+0xc0/0x310 [ 293.343980] ? retint_kernel+0x2d/0x2d [ 293.347866] ? trace_hardirqs_on_caller+0xc0/0x310 [ 293.352806] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 293.357562] ? trace_hardirqs_off+0x310/0x310 [ 293.362053] ? retint_kernel+0x1b/0x2d [ 293.365939] ? lock_acquire+0x1ed/0x520 [ 293.369910] ? bpf_test_run+0x3cb/0x780 [ 293.373876] ? lock_downgrade+0x900/0x900 [ 293.378019] ? lock_release+0x970/0x970 [ 293.382022] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 293.387824] ? preempt_schedule_common+0x1f/0xd0 [ 293.392574] ? preempt_schedule+0x4d/0x60 [ 293.396720] ? ___preempt_schedule+0x16/0x18 [ 293.401148] ? bpf_test_run+0x25d/0x780 [ 293.405139] ? netlink_diag_dump+0x2a0/0x2a0 [ 293.409542] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 293.415073] ? bpf_test_init.isra.9+0x70/0x100 [ 293.419650] ? bpf_prog_test_run_skb+0x634/0xb40 [ 293.424408] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 293.429246] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 293.434787] ? fput+0x130/0x1a0 [ 293.438073] ? __bpf_prog_get+0x9b/0x290 [ 293.442132] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 293.446970] ? bpf_prog_test_run+0x130/0x1a0 [ 293.451371] ? __x64_sys_bpf+0x3d8/0x510 [ 293.455427] ? bpf_prog_get+0x20/0x20 [ 293.459243] ? __x64_sys_futex+0x4bc/0x6a0 [ 293.463472] ? do_syscall_64+0x1b9/0x820 [ 293.467529] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 293.472911] ? syscall_return_slowpath+0x5e0/0x5e0 [ 293.477851] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 293.482694] ? trace_hardirqs_on_caller+0x310/0x310 [ 293.487706] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 293.492718] ? prepare_exit_to_usermode+0x291/0x3b0 [ 293.497732] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 293.502587] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 293.507969] warn_alloc_show_mem: 1 callbacks suppressed [ 293.507981] CPU: 1 PID: 5806 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #119 [ 293.507982] Mem-Info: [ 293.508021] active_anon:46475 inactive_anon:4207 isolated_anon:0 [ 293.508021] active_file:17 inactive_file:13 isolated_file:0 [ 293.508021] unevictable:0 dirty:0 writeback:0 unstable:0 [ 293.508021] slab_reclaimable:8782 slab_unreclaimable:1485678 [ 293.508021] mapped:8194 shmem:4214 pagetables:396 bounce:0 [ 293.508021] free:13756 free_pcp:276 free_cma:0 [ 293.513356] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 293.520397] Node 0 active_anon:185900kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32776kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 293.522805] Call Trace: [ 293.555753] Node 0 [ 293.565089] [ 293.592851] 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 [ 293.595402] dump_stack+0x1c4/0x2b4 [ 293.597609] lowmem_reserve[]: [ 293.599748] ? dump_stack_print_info.cold.2+0x52/0x52 [ 293.625235] 0 [ 293.628872] warn_alloc.cold.119+0xb7/0x1bd [ 293.631948] 2819 [ 293.637147] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 293.638925] 6323 [ 293.643234] ? lock_downgrade+0x900/0x900 [ 293.645273] 6323 [ 293.650105] ? trace_hardirqs_off+0xb8/0x310 [ 293.656277] ? trace_hardirqs_off+0xb8/0x310 [ 293.658315] Node 0 [ 293.662715] __alloc_pages_slowpath+0x2667/0x2d80 [ 293.667128] DMA32 free:25168kB min:30060kB low:37572kB high:45084kB active_anon:10240kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 293.669341] ? warn_alloc+0x120/0x120 [ 293.674145] lowmem_reserve[]: [ 293.701370] ? warn_alloc+0x120/0x120 [ 293.705145] 0 [ 293.708245] ? warn_alloc+0x120/0x120 [ 293.712021] 0 [ 293.713819] ? mark_held_locks+0x130/0x130 [ 293.717589] 3503 [ 293.719390] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.723595] 3503 [ 293.725649] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 293.733215] ? should_fail+0x22d/0xd01 [ 293.738725] Node 0 Normal free:13948kB min:37352kB low:46688kB high:56024kB active_anon:175660kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5056kB pagetables:1584kB bounce:0kB free_pcp:856kB local_pcp:320kB free_cma:0kB [ 293.742629] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 293.742648] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 293.771698] lowmem_reserve[]: [ 293.776813] ? should_fail+0x22d/0xd01 [ 293.782322] 0 [ 293.785419] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 293.789280] 0 [ 293.791077] ? should_fail+0x22d/0xd01 [ 293.796150] 0 [ 293.797943] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 293.801854] 0 [ 293.803647] ? mark_held_locks+0x130/0x130 [ 293.810513] ? mark_held_locks+0x130/0x130 [ 293.814721] Node 0 [ 293.818962] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.818964] DMA: 1*4kB [ 293.821198] ? trace_hardirqs_off+0xb8/0x310 [ 293.826711] (U) [ 293.829303] ? kasan_check_read+0x11/0x20 [ 293.833682] 0*8kB [ 293.835667] ? do_raw_spin_unlock+0xa7/0x2f0 [ 293.839811] 0*16kB [ 293.841953] ? trace_hardirqs_on+0x310/0x310 [ 293.846333] 1*32kB [ 293.848578] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.852958] (U) [ 293.855187] ? wq_watchdog_touch+0x9c/0xfe [ 293.860703] 2*64kB [ 293.862676] ? io_serial_in+0x11/0x90 [ 293.866884] (U) [ 293.869116] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.872887] 1*128kB [ 293.874871] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 293.880388] (U) [ 293.882709] __alloc_pages_nodemask+0xa80/0xde0 [ 293.887802] 1*256kB [ 293.889767] ? should_fail+0x22d/0xd01 [ 293.894426] (U) [ 293.896741] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 293.900599] 0*512kB [ 293.902580] ? ____cache_alloc_node+0x1c7/0x1e0 [ 293.907568] 1*1024kB [ 293.909882] ? lock_downgrade+0x900/0x900 [ 293.914523] (U) [ 293.916926] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.921060] 1*2048kB [ 293.923026] cache_grow_begin+0x91/0x8c0 [ 293.928532] (M) [ 293.930938] ? do_raw_spin_unlock+0xa7/0x2f0 [ 293.934971] 3*4096kB [ 293.936971] fallback_alloc+0x203/0x2e0 [ 293.941369] (M) [ 293.943767] ____cache_alloc_node+0x1c7/0x1e0 [ 293.947723] = 15908kB [ 293.949691] kmem_cache_alloc_node+0xe3/0x730 [ 293.954175] Node 0 [ 293.956594] ? ipv6_get_ifaddr+0x42e/0x620 [ 293.961059] DMA32: [ 293.963286] __alloc_skb+0x119/0x770 [ 293.967494] 2*4kB [ 293.969722] ? skb_scrub_packet+0x490/0x490 [ 293.973405] (M) [ 293.975562] ? lock_downgrade+0x900/0x900 [ 293.979884] 1*8kB [ 293.981873] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.985996] (M) [ 293.988141] ? refcount_sub_and_test_checked+0x203/0x310 [ 293.993648] 2*16kB [ 293.995621] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 294.001041] (M) [ 294.003279] ? addrconf_rs_timer+0x690/0x690 [ 294.008703] 3*32kB [ 294.010667] ndisc_alloc_skb+0x144/0x340 [ 294.015045] (MH) [ 294.017269] ndisc_send_rs+0x331/0x6e0 [ 294.021308] 5*64kB [ 294.023365] addrconf_rs_timer+0x314/0x690 [ 294.027225] (MH) [ 294.029452] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 294.033664] 3*128kB [ 294.035718] call_timer_fn+0x272/0x920 [ 294.039920] (M) [ 294.042231] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 294.046090] 5*256kB [ 294.048055] ? process_timeout+0x40/0x40 [ 294.052259] (UMH) [ 294.054572] ? trace_hardirqs_off+0xb8/0x310 [ 294.058606] 5*512kB [ 294.060765] ? kasan_check_read+0x11/0x20 [ 294.065166] (UMH) [ 294.067499] ? do_raw_spin_unlock+0xa7/0x2f0 [ 294.071617] 4*1024kB [ 294.073757] ? trace_hardirqs_on+0x310/0x310 [ 294.078140] (UMH) [ 294.080546] ? __run_timers+0x7da/0xc70 [ 294.084926] 2*2048kB [ 294.087062] ? lock_downgrade+0x900/0x900 [ 294.091008] (M) [ 294.093406] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 294.097530] 3*4096kB [ 294.099512] ? trace_hardirqs_on+0xbd/0x310 [ 294.104589] (M) [ 294.107004] ? kasan_check_read+0x11/0x20 [ 294.111294] = 25168kB [ 294.111302] Node 0 [ 294.113285] ? __run_timers+0x7da/0xc70 [ 294.117401] Normal: [ 294.119809] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 294.122020] 1081*4kB [ 294.125998] ? kasan_check_write+0x14/0x20 [ 294.128311] (UMEH) [ 294.133771] ? do_raw_spin_lock+0xc1/0x200 [ 294.136165] 387*8kB [ 294.140384] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 294.142592] (ME) [ 294.146814] __run_timers+0x7e5/0xc70 [ 294.149109] 152*16kB [ 294.153352] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 294.155405] (UME) [ 294.159200] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 294.161600] 54*32kB [ 294.166968] ? timerqueue_add+0x207/0x2b0 [ 294.169094] (UME) [ 294.174100] ? enqueue_hrtimer+0x1a5/0x560 [ 294.176402] 21*64kB [ 294.180537] ? lock_release+0x970/0x970 [ 294.182663] (UM) [ 294.186887] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 294.189189] 0*128kB [ 294.193153] ? check_preemption_disabled+0x48/0x200 [ 294.195197] 0*256kB [ 294.200377] ? kasan_check_write+0x14/0x20 [ 294.202694] 2*512kB [ 294.207713] ? pvclock_read_flags+0x160/0x160 [ 294.210007] (U) [ 294.214244] ? lock_downgrade+0x900/0x900 [ 294.216544] 0*1024kB [ 294.221044] ? trace_hardirqs_on+0xbd/0x310 [ 294.223009] 0*2048kB [ 294.227180] ? kvm_sched_clock_read+0x9/0x20 [ 294.229583] 0*4096kB [ 294.233894] ? irq_exit+0x17f/0x1c0 [ 294.236274] = 13948kB [ 294.240675] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.243063] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 294.246675] ? check_preemption_disabled+0x48/0x200 [ 294.249083] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 294.254606] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.263414] 4244 total pagecache pages [ 294.268432] run_timer_softirq+0x52/0xb0 [ 294.277012] 0 pages in swap cache [ 294.282534] ? __this_cpu_preempt_check+0x1c/0x1f [ 294.286402] Swap cache stats: add 0, delete 0, find 0/0 [ 294.290450] __do_softirq+0x30b/0xad8 [ 294.293878] Free swap = 0kB [ 294.298706] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 294.304041] Total swap = 0kB [ 294.307831] ? pvclock_read_flags+0x160/0x160 [ 294.310838] 1965979 pages RAM [ 294.315929] ? lapic_next_event+0x5a/0x90 [ 294.318926] 0 pages HighMem/MovableOnly [ 294.323408] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.326486] 342307 pages reserved [ 294.330622] ? clockevents_program_event+0x140/0x370 [ 294.334569] 0 pages cma reserved [ 294.340108] ? kvm_clock_read+0x18/0x30 [ 294.343583] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 294.348624] ? kvm_sched_clock_read+0x9/0x20 [ 294.348638] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.348653] ? check_preemption_disabled+0x48/0x200 [ 294.352039] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 294.355960] irq_exit+0x17f/0x1c0 [ 294.362446] syz-executor2 cpuset= [ 294.366886] smp_apic_timer_interrupt+0x1cb/0x760 [ 294.372398] syz2 [ 294.377401] ? smp_reschedule_interrupt+0x109/0x650 [ 294.387869] mems_allowed=0 [ 294.391316] ? smp_call_function_single_interrupt+0x650/0x650 [ 294.415307] ? interrupt_entry+0xb5/0xf0 [ 294.419367] ? trace_hardirqs_off_caller+0xbb/0x310 [ 294.424382] ? trace_hardirqs_off_caller+0xbb/0x310 [ 294.429398] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 294.434237] ? trace_hardirqs_on_caller+0x310/0x310 [ 294.439249] ? trace_hardirqs_on_caller+0x310/0x310 [ 294.444276] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 294.449825] ? check_preemption_disabled+0x48/0x200 [ 294.454840] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 294.460380] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 294.465225] apic_timer_interrupt+0xf/0x20 [ 294.469452] [ 294.471686] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 294.476873] Code: 00 e8 97 f5 a3 f9 e8 d2 63 d3 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d 24 75 80 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d fa 74 [ 294.495770] RSP: 0000:ffff8801bbdd6150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 294.503490] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 294.510752] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe740 [ 294.518048] RBP: ffff8801bbdd6178 R08: ffff8801d838c080 R09: ffffed003b5e5979 [ 294.525313] R10: ffffed003b5e5979 R11: ffff8801daf2cbcb R12: dffffc0000000000 [ 294.532580] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 294.539862] ? trace_hardirqs_on+0x9a/0x310 [ 294.544213] ? trace_hardirqs_on+0xb4/0x310 [ 294.548579] retint_kernel+0x1b/0x2d [ 294.552310] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 294.557579] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 21 17 fa 48 83 3d 99 9c 86 01 00 75 07 e8 9a 7f d3 f9 0f 0b e8 93 7f d3 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 21 17 fa 4c 8b 45 d0 e9 [ 294.576487] RSP: 0000:ffff8801bbdd6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 294.584189] RAX: ffff8801d838c080 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 294.591457] RDX: 0000000000000000 RSI: ffffffff87ab55fd RDI: 0000000000000293 [ 294.598718] RBP: ffff8801bbdd6240 R08: ffff8801d838c080 R09: fffffbfff13d9700 [ 294.605976] R10: fffffbfff13d9700 R11: 0000000000000003 R12: 0000000000000293 [ 294.613238] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff8931f280 [ 294.620508] ? trace_hardirqs_on+0x9a/0x310 [ 294.624827] ? arch_local_irq_restore+0x45/0x52 [ 294.629493] dump_stack+0x26a/0x2b4 [ 294.633117] ? dump_stack_print_info.cold.2+0x52/0x52 [ 294.638311] ? mark_held_locks+0x130/0x130 [ 294.642541] ? mark_held_locks+0x130/0x130 [ 294.646776] dump_header+0x27b/0xf72 [ 294.650525] ? rcu_read_unlock+0x16/0x60 [ 294.654580] ? pagefault_out_of_memory+0x197/0x197 [ 294.659507] ? mark_held_locks+0x130/0x130 [ 294.663735] ? percpu_ref_put_many+0x13e/0x260 [ 294.668328] ? mem_cgroup_charge_statistics+0x780/0x780 [ 294.673691] ? mem_cgroup_iter+0x1f7/0x1160 [ 294.678011] ? mark_held_locks+0x130/0x130 [ 294.682248] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.687787] ? task_will_free_mem+0x239/0xb30 [ 294.692293] ? ___ratelimit+0x36f/0x655 [ 294.696260] ? lock_downgrade+0x900/0x900 [ 294.700413] ? trace_hardirqs_on+0xbd/0x310 [ 294.704729] ? kasan_check_read+0x11/0x20 [ 294.708870] ? ___ratelimit+0x36f/0x655 [ 294.712854] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 294.718305] ? trace_hardirqs_on+0x310/0x310 [ 294.722722] ? lock_downgrade+0x900/0x900 [ 294.726874] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 294.731976] ? ___ratelimit+0xaa/0x655 [ 294.735873] ? idr_get_free+0xec0/0xec0 [ 294.739847] ? kasan_check_write+0x14/0x20 [ 294.744111] ? do_raw_spin_lock+0xc1/0x200 [ 294.748344] oom_kill_process.cold.27+0x10/0x903 [ 294.753093] ? lock_downgrade+0x900/0x900 [ 294.757248] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 294.763059] ? oom_evaluate_task+0x540/0x540 [ 294.767475] ? shrink_node+0x16b0/0x16b0 [ 294.771533] ? oom_unkillable_task+0x383/0x580 [ 294.776109] ? out_of_memory+0x974/0x1430 [ 294.780249] ? lock_downgrade+0x900/0x900 [ 294.784396] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 294.790201] ? __cpuset_node_allowed+0x19b/0x660 [ 294.795011] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 294.800546] ? oom_evaluate_task+0x302/0x540 [ 294.804954] out_of_memory+0xa84/0x1430 [ 294.808925] ? oom_killer_disable+0x3a0/0x3a0 [ 294.813419] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 294.818343] ? __mutex_add_waiter+0x2a0/0x2a0 [ 294.822837] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 294.827853] ? find_next_bit+0x104/0x130 [ 294.831913] __alloc_pages_slowpath+0x2318/0x2d80 [ 294.836790] ? warn_alloc+0x120/0x120 [ 294.840587] ? __radix_tree_lookup+0x4c0/0x4c0 [ 294.845172] ? find_get_entry+0x2f2/0xc40 [ 294.849326] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 294.854263] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 294.859809] ? should_fail+0x22d/0xd01 [ 294.863714] ? ___might_sleep+0x1ed/0x300 [ 294.867860] ? lock_release+0x970/0x970 [ 294.871834] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 294.876931] ? debug_smp_processor_id+0x1c/0x20 [ 294.881603] ? __might_sleep+0x95/0x190 [ 294.885575] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 294.890421] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 294.895439] ? lock_downgrade+0x900/0x900 [ 294.899589] ? ___might_sleep+0x1ed/0x300 [ 294.903746] ? lock_release+0x970/0x970 [ 294.907721] ? arch_local_save_flags+0x40/0x40 [ 294.912302] ? finish_task_switch+0x1f5/0x900 [ 294.916803] ? __might_sleep+0x95/0x190 [ 294.920786] __alloc_pages_nodemask+0xa80/0xde0 [ 294.925461] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 294.930478] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 294.936273] ? kasan_check_write+0x14/0x20 [ 294.940509] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 294.945177] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.950832] ? __do_page_cache_readahead+0x7ce/0x980 [ 294.955940] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 294.961475] alloc_pages_current+0x10c/0x210 [ 294.965922] ? lock_downgrade+0x900/0x900 [ 294.970101] __page_cache_alloc+0x38f/0x5b0 [ 294.974438] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 294.980242] ? ext4_filemap_fault+0x82/0xad [ 294.984565] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 294.989237] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 294.994770] ? check_preemption_disabled+0x48/0x200 [ 294.999806] filemap_fault+0x1594/0x25f0 [ 295.003874] ? __lock_page_or_retry+0xa00/0xa00 [ 295.008541] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 295.014331] ? unwind_dump+0x190/0x190 [ 295.018224] ? is_bpf_text_address+0xd3/0x170 [ 295.022718] ? filemap_map_pages+0xdea/0x1980 [ 295.027218] ? find_get_pages_range_tag+0x1320/0x1320 [ 295.032401] ? save_stack+0xa9/0xd0 [ 295.036026] ? save_stack+0x43/0xd0 [ 295.039657] ? __kasan_slab_free+0x102/0x150 [ 295.044061] ? __sigqueue_free.part.27+0x7d/0xa0 [ 295.048812] ? __dequeue_signal+0x530/0x7d0 [ 295.053131] ? dequeue_signal+0x26c/0x630 [ 295.057273] ? get_signal+0x3ec/0x1980 [ 295.061156] ? do_signal+0x9c/0x21e0 [ 295.064879] ? exit_to_usermode_loop+0x2e5/0x380 [ 295.069633] ? mark_held_locks+0x130/0x130 [ 295.073866] ? trace_hardirqs_on+0x310/0x310 [ 295.078750] ? lock_acquire+0x1ed/0x520 [ 295.082732] ? ext4_filemap_fault+0x7a/0xad [ 295.087052] ? lock_release+0x970/0x970 [ 295.091037] ? arch_local_save_flags+0x40/0x40 [ 295.095617] ? mark_held_locks+0x130/0x130 [ 295.099845] ? trace_hardirqs_off+0xb8/0x310 [ 295.104256] ? down_read+0xb0/0x1d0 [ 295.107919] ? ext4_filemap_fault+0x7a/0xad [ 295.112281] ? __down_interruptible+0x700/0x700 [ 295.116951] ? kmem_cache_free+0x21a/0x290 [ 295.121187] ? __sigqueue_free.part.27+0x7d/0xa0 [ 295.125939] ? __dequeue_signal+0xf9/0x7d0 [ 295.130178] ext4_filemap_fault+0x82/0xad [ 295.134366] __do_fault+0x100/0x6b0 [ 295.137996] ? print_bad_pte+0x6c0/0x6c0 [ 295.142052] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 295.147582] ? pmd_val+0x88/0x100 [ 295.151031] ? add_mm_counter_fast+0xd0/0xd0 [ 295.155439] ? pmd_val+0x88/0x100 [ 295.158895] ? add_mm_counter_fast+0xd0/0xd0 [ 295.163310] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 295.168850] __handle_mm_fault+0x3709/0x53e0 [ 295.173256] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 295.178097] ? kasan_check_write+0x14/0x20 [ 295.182343] ? do_raw_spin_lock+0xc1/0x200 [ 295.186582] ? _raw_spin_unlock_irq+0x60/0x80 [ 295.191078] ? __set_current_blocked+0xe4/0x120 [ 295.195749] ? lock_acquire+0x1ed/0x520 [ 295.199729] ? handle_mm_fault+0x42a/0xc70 [ 295.203965] ? lock_downgrade+0x900/0x900 [ 295.208115] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 295.213909] ? __do_page_fault+0x67d/0xed0 [ 295.218141] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 295.223603] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 295.229151] ? check_preemption_disabled+0x48/0x200 [ 295.234240] handle_mm_fault+0x54f/0xc70 [ 295.238306] ? __handle_mm_fault+0x53e0/0x53e0 [ 295.242905] ? find_vma+0x34/0x190 [ 295.246460] __do_page_fault+0x67d/0xed0 [ 295.250517] ? mm_fault_error+0x380/0x380 [ 295.254661] ? syscall_slow_exit_work+0x520/0x520 [ 295.259501] do_page_fault+0xf2/0x7e0 [ 295.263302] ? vmalloc_sync_all+0x30/0x30 [ 295.267450] ? error_entry+0x70/0xd0 [ 295.271159] ? trace_hardirqs_off_caller+0xbb/0x310 [ 295.276183] ? trace_hardirqs_on_caller+0xc0/0x310 [ 295.281110] ? syscall_return_slowpath+0x5e0/0x5e0 [ 295.286080] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 295.290920] ? trace_hardirqs_on_caller+0x310/0x310 [ 295.295928] ? trace_hardirqs_off+0x310/0x310 [ 295.300439] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 295.305479] ? prepare_exit_to_usermode+0x291/0x3b0 [ 295.310491] ? page_fault+0x8/0x30 [ 295.314027] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 295.318867] ? page_fault+0x8/0x30 [ 295.322400] page_fault+0x1e/0x30 [ 295.325859] RIP: 0033:0x45db60 [ 295.329057] Code: Bad RIP value. [ 295.332414] RSP: 002b:000000c420049ab8 EFLAGS: 00010286 [ 295.337766] RAX: 0000000000000000 RBX: 000000c420026380 RCX: 000000000045ddf3 [ 295.345036] RDX: 000000c420049ac0 RSI: 000000c420049bf0 RDI: 0000000000000011 [ 295.352316] RBP: 000000c420022f08 R08: 0000000000000000 R09: 0000000000000000 [ 295.359589] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42005c168 [ 295.366870] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000 [ 295.374153] CPU: 0 PID: 7800 Comm: syz-executor2 Not tainted 4.19.0-rc6+ #119 [ 295.374215] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 295.381439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 295.381443] Call Trace: [ 295.381463] [ 295.381478] dump_stack+0x1c4/0x2b4 [ 295.381526] ? dump_stack_print_info.cold.2+0x52/0x52 [ 295.388074] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 295.397352] warn_alloc.cold.119+0xb7/0x1bd [ 295.399909] syz-fuzzer cpuset= [ 295.402053] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 295.405654] / [ 295.410850] ? lock_downgrade+0x900/0x900 [ 295.421047] mems_allowed=0 [ 295.425377] ? trace_hardirqs_off+0xb8/0x310 [ 295.446535] ? trace_hardirqs_off+0xb8/0x310 [ 295.450958] __alloc_pages_slowpath+0x2667/0x2d80 [ 295.455824] ? warn_alloc+0x120/0x120 [ 295.459626] ? warn_alloc+0x120/0x120 [ 295.463442] ? warn_alloc+0x120/0x120 [ 295.467242] ? mark_held_locks+0x130/0x130 [ 295.471491] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.477104] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 295.482639] ? should_fail+0x22d/0xd01 [ 295.486529] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 295.491631] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 295.497182] ? should_fail+0x22d/0xd01 [ 295.501066] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 295.506184] ? should_fail+0x22d/0xd01 [ 295.510069] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 295.515186] ? mark_held_locks+0x130/0x130 [ 295.519448] ? mark_held_locks+0x130/0x130 [ 295.523697] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.529236] ? trace_hardirqs_off+0xb8/0x310 [ 295.533641] ? kasan_check_read+0x11/0x20 [ 295.537799] ? do_raw_spin_unlock+0xa7/0x2f0 [ 295.542210] ? trace_hardirqs_on+0x310/0x310 [ 295.546617] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.552153] ? wq_watchdog_touch+0x9c/0xfe [ 295.556387] ? io_serial_in+0x11/0x90 [ 295.560182] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.565720] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 295.570826] __alloc_pages_nodemask+0xa80/0xde0 [ 295.575508] ? should_fail+0x22d/0xd01 [ 295.579400] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 295.584429] ? ____cache_alloc_node+0x1c7/0x1e0 [ 295.589095] ? lock_downgrade+0x900/0x900 [ 295.593240] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.598772] cache_grow_begin+0x91/0x8c0 [ 295.602845] ? do_raw_spin_unlock+0xa7/0x2f0 [ 295.607258] fallback_alloc+0x203/0x2e0 [ 295.611231] ____cache_alloc_node+0x1c7/0x1e0 [ 295.615725] kmem_cache_alloc_node+0xe3/0x730 [ 295.620214] ? ipv6_get_ifaddr+0x42e/0x620 [ 295.624453] __alloc_skb+0x119/0x770 [ 295.628184] ? skb_scrub_packet+0x490/0x490 [ 295.632497] ? lock_downgrade+0x900/0x900 [ 295.636641] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.642209] ? refcount_sub_and_test_checked+0x203/0x310 [ 295.647657] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 295.653119] ? addrconf_rs_timer+0x690/0x690 [ 295.657533] ndisc_alloc_skb+0x144/0x340 [ 295.661590] ndisc_send_rs+0x331/0x6e0 [ 295.665480] addrconf_rs_timer+0x314/0x690 [ 295.669714] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 295.673955] call_timer_fn+0x272/0x920 [ 295.677840] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 295.682070] ? process_timeout+0x40/0x40 [ 295.686126] ? trace_hardirqs_off+0xb8/0x310 [ 295.690527] ? kasan_check_read+0x11/0x20 [ 295.694684] ? do_raw_spin_unlock+0xa7/0x2f0 [ 295.699087] ? trace_hardirqs_on+0x310/0x310 [ 295.703491] ? __run_timers+0x7da/0xc70 [ 295.707479] ? lock_downgrade+0x900/0x900 [ 295.711630] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 295.716725] ? trace_hardirqs_on+0xbd/0x310 [ 295.721036] ? kasan_check_read+0x11/0x20 [ 295.725181] ? __run_timers+0x7da/0xc70 [ 295.729152] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 295.734600] ? kasan_check_write+0x14/0x20 [ 295.738843] ? do_raw_spin_lock+0xc1/0x200 [ 295.743074] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 295.747306] __run_timers+0x7e5/0xc70 [ 295.751111] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 295.756486] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 295.761500] ? timerqueue_add+0x207/0x2b0 [ 295.765650] ? enqueue_hrtimer+0x1a5/0x560 [ 295.769880] ? lock_release+0x970/0x970 [ 295.773849] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 295.779035] ? kasan_check_write+0x14/0x20 [ 295.783267] ? pvclock_read_flags+0x160/0x160 [ 295.787753] ? lock_downgrade+0x900/0x900 [ 295.791917] ? trace_hardirqs_on+0xbd/0x310 [ 295.796246] ? kvm_sched_clock_read+0x9/0x20 [ 295.800647] ? irq_exit+0x17f/0x1c0 [ 295.804269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.809807] ? check_preemption_disabled+0x48/0x200 [ 295.814824] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.820358] run_timer_softirq+0x52/0xb0 [ 295.824413] ? __this_cpu_preempt_check+0x1c/0x1f [ 295.829250] __do_softirq+0x30b/0xad8 [ 295.833050] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 295.838146] ? pvclock_read_flags+0x160/0x160 [ 295.842634] ? lapic_next_event+0x5a/0x90 [ 295.846778] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.852322] ? clockevents_program_event+0x140/0x370 [ 295.857425] ? kvm_clock_read+0x18/0x30 [ 295.861392] ? kvm_sched_clock_read+0x9/0x20 [ 295.865820] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.871352] ? check_preemption_disabled+0x48/0x200 [ 295.876382] irq_exit+0x17f/0x1c0 [ 295.879848] smp_apic_timer_interrupt+0x1cb/0x760 [ 295.884690] ? smp_reschedule_interrupt+0x109/0x650 [ 295.889705] ? smp_call_function_single_interrupt+0x650/0x650 [ 295.895586] ? interrupt_entry+0xb5/0xf0 [ 295.899646] ? trace_hardirqs_off_caller+0xbb/0x310 [ 295.904659] ? trace_hardirqs_off_caller+0xbb/0x310 [ 295.909671] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 295.914509] ? trace_hardirqs_on_caller+0x310/0x310 [ 295.919535] ? trace_hardirqs_on_caller+0x310/0x310 [ 295.924544] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.930088] ? check_preemption_disabled+0x48/0x200 [ 295.935107] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 295.939957] apic_timer_interrupt+0xf/0x20 [ 295.944185] [ 295.946424] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 295.952337] Code: 3f 7e 0f 85 32 ff ff ff e8 53 4a 3e ff e9 28 ff ff ff e8 ba ad c2 ff 48 83 3d 0a bf 6f 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 62 23 [ 295.971231] RSP: 0018:ffff88019a29f4a8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 295.978981] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000627e000 [ 295.986245] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 295.993504] RBP: ffff88019a29f520 R08: ffff8801ba14e480 R09: fffffbfff12720c0 [ 296.000769] R10: ffff88019a29e0f0 R11: ffffffff89390603 R12: ffff8801da800ac0 [ 296.008046] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286 [ 296.015356] ? trace_hardirqs_on+0xb4/0x310 [ 296.019679] ? save_stack+0xa9/0xd0 [ 296.023314] __kmalloc_node_track_caller+0x33/0x70 [ 296.028248] __kmalloc_reserve.isra.39+0xcc/0xe0 [ 296.033001] pskb_expand_head+0x230/0x10f0 [ 296.037235] ? lock_downgrade+0x900/0x900 [ 296.041379] ? check_preemption_disabled+0x48/0x200 [ 296.046392] ? memcpy+0x45/0x50 [ 296.049667] ? __copy_skb_header+0x350/0x6b0 [ 296.054073] ? __pskb_copy_fclone+0xeb0/0xeb0 [ 296.058565] ? skb_checksum+0x140/0x140 [ 296.062542] ? trace_hardirqs_on+0xbd/0x310 [ 296.066860] ? skb_clone+0x1bb/0x500 [ 296.070572] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 296.076013] ? kasan_unpoison_shadow+0x35/0x50 [ 296.080589] ? kasan_check_write+0x14/0x20 [ 296.084820] ? __skb_clone+0x6c7/0xa00 [ 296.088833] ? __copy_skb_header+0x6b0/0x6b0 [ 296.093240] ? kmem_cache_alloc+0x306/0x730 [ 296.097564] skb_ensure_writable+0x3dd/0x640 [ 296.101971] ? skb_cow_data+0xf10/0xf10 [ 296.105939] ? check_preemption_disabled+0x48/0x200 [ 296.110972] ? __this_cpu_preempt_check+0x1c/0x1f [ 296.115824] ? __bpf_redirect+0x54b/0xb20 [ 296.119971] ? __switch_to_asm+0x34/0x70 [ 296.124048] bpf_clone_redirect+0x14a/0x490 [ 296.128373] bpf_prog_3d1649e183dc2cc1+0xca3/0x1000 [ 296.133386] ? __sched_text_start+0x8/0x8 [ 296.137551] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 296.142319] ? retint_kernel+0x2d/0x2d [ 296.146219] ? trace_hardirqs_on_caller+0xc0/0x310 [ 296.151146] ? retint_kernel+0x2d/0x2d [ 296.155028] ? trace_hardirqs_on_caller+0xc0/0x310 [ 296.159973] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 296.164721] ? trace_hardirqs_off+0x310/0x310 [ 296.169209] ? retint_kernel+0x1b/0x2d [ 296.173098] ? lock_acquire+0x1ed/0x520 [ 296.177085] ? bpf_test_run+0x3cb/0x780 [ 296.181059] ? lock_downgrade+0x900/0x900 [ 296.185204] ? lock_release+0x970/0x970 [ 296.189174] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 296.194965] ? preempt_schedule_common+0x1f/0xd0 [ 296.199717] ? preempt_schedule+0x4d/0x60 [ 296.203861] ? ___preempt_schedule+0x16/0x18 [ 296.208299] ? bpf_test_run+0x25d/0x780 [ 296.212304] ? netlink_diag_dump+0x2a0/0x2a0 [ 296.216737] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 296.222299] ? bpf_test_init.isra.9+0x70/0x100 [ 296.226878] ? bpf_prog_test_run_skb+0x634/0xb40 [ 296.231631] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 296.236470] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 296.242019] ? fput+0x130/0x1a0 [ 296.245295] ? __bpf_prog_get+0x9b/0x290 [ 296.249351] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 296.254187] ? bpf_prog_test_run+0x130/0x1a0 [ 296.258603] ? __x64_sys_bpf+0x3d8/0x510 [ 296.262675] ? bpf_prog_get+0x20/0x20 [ 296.266496] ? __x64_sys_futex+0x4bc/0x6a0 [ 296.270734] ? do_syscall_64+0x1b9/0x820 [ 296.274804] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 296.280168] ? syscall_return_slowpath+0x5e0/0x5e0 [ 296.285095] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 296.289946] ? trace_hardirqs_on_caller+0x310/0x310 [ 296.294976] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 296.299985] ? prepare_exit_to_usermode+0x291/0x3b0 [ 296.305021] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 296.309867] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 296.315238] CPU: 1 PID: 5806 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #119 [ 296.315244] warn_alloc_show_mem: 1 callbacks suppressed [ 296.315250] Mem-Info: [ 296.322272] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 296.327633] active_anon:46475 inactive_anon:4207 isolated_anon:0 [ 296.327633] active_file:17 inactive_file:13 isolated_file:0 [ 296.327633] unevictable:0 dirty:0 writeback:0 unstable:0 [ 296.327633] slab_reclaimable:8782 slab_unreclaimable:1485678 [ 296.327633] mapped:8194 shmem:4214 pagetables:396 bounce:0 [ 296.327633] free:13756 free_pcp:276 free_cma:0 [ 296.330000] Call Trace: [ 296.339382] Node 0 active_anon:185900kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32776kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 296.372309] [ 296.374877] Node 0 [ 296.402623] dump_stack+0x1c4/0x2b4 [ 296.404773] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 296.406992] ? dump_stack_print_info.cold.2+0x52/0x52 [ 296.410593] lowmem_reserve[]: [ 296.436088] warn_alloc.cold.119+0xb7/0x1bd [ 296.441248] 0 [ 296.444350] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 296.448644] 2819 [ 296.450436] ? lock_downgrade+0x900/0x900 [ 296.455250] 6323 [ 296.457307] ? trace_hardirqs_off+0xb8/0x310 [ 296.461425] 6323 [ 296.463482] ? trace_hardirqs_off+0xb8/0x310 [ 296.469921] __alloc_pages_slowpath+0x2667/0x2d80 [ 296.474298] Node 0 DMA32 free:25168kB min:30060kB low:37572kB high:45084kB active_anon:10240kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 296.479155] ? warn_alloc+0x120/0x120 [ 296.506964] lowmem_reserve[]: 0 [ 296.510757] ? trace_hardirqs_on+0x310/0x310 [ 296.510772] ? warn_alloc+0x120/0x120 [ 296.514038] 0 [ 296.518437] ? warn_alloc+0x120/0x120 [ 296.522219] 3503 [ 296.524019] ? ktime_get+0x2e1/0x440 [ 296.527798] 3503 [ 296.529852] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.535600] ? check_preemption_disabled+0x48/0x200 [ 296.541124] Node 0 Normal free:13948kB min:37352kB low:46688kB high:56024kB active_anon:175660kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5056kB pagetables:1584kB bounce:0kB free_pcp:856kB local_pcp:320kB free_cma:0kB [ 296.546170] ? kasan_check_read+0x11/0x20 [ 296.546195] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 296.575228] lowmem_reserve[]: [ 296.579374] ? should_fail+0x22d/0xd01 [ 296.584886] 0 [ 296.587992] ? rcu_bh_qs+0xc0/0xc0 [ 296.591849] 0 [ 296.593657] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 296.597166] 0 [ 296.598979] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 296.604090] 0 [ 296.605883] ? should_fail+0x22d/0xd01 [ 296.613188] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 296.617048] Node 0 [ 296.622152] ? should_fail+0x22d/0xd01 [ 296.622154] DMA: 1*4kB [ 296.624394] ? rcu_idle_enter+0x4b0/0x4b0 [ 296.628250] (U) [ 296.630827] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 296.634948] 0*8kB [ 296.636917] ? mark_held_locks+0x130/0x130 [ 296.641994] 0*16kB [ 296.644158] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.648363] 1*32kB [ 296.650608] ? mark_held_locks+0x130/0x130 [ 296.656122] (U) [ 296.658351] ? rcu_irq_exit+0xce/0x100 [ 296.662573] 2*64kB [ 296.664543] ? irq_exit+0xbd/0x1c0 [ 296.668416] (U) [ 296.670662] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 296.674174] 1*128kB [ 296.676159] ? do_raw_spin_unlock+0xa7/0x2f0 [ 296.681144] (U) [ 296.683476] ? smp_call_function_single_interrupt+0x650/0x650 [ 296.687862] 1*256kB [ 296.689838] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.695692] (U) [ 296.698008] ? ret_from_intr+0xb/0x1e [ 296.703520] 0*512kB [ 296.705491] ? retint_kernel+0x2d/0x2d [ 296.709267] 1*1024kB [ 296.711583] ? trace_hardirqs_on_caller+0xc0/0x310 [ 296.715442] (U) [ 296.717849] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 296.722749] 1*2048kB [ 296.724717] ? trace_hardirqs_off+0x310/0x310 [ 296.729444] (M) [ 296.731848] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 296.736313] 3*4096kB [ 296.738286] __alloc_pages_nodemask+0xa80/0xde0 [ 296.743356] (M) [ 296.745760] ? should_fail+0x22d/0xd01 [ 296.750403] = 15908kB [ 296.752390] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 296.756250] Node 0 [ 296.758662] ? ____cache_alloc_node+0x1c7/0x1e0 [ 296.763641] DMA32: [ 296.765871] ? lock_downgrade+0x900/0x900 [ 296.770510] 2*4kB [ 296.772755] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.776872] (M) [ 296.779031] cache_grow_begin+0x91/0x8c0 [ 296.784546] 1*8kB [ 296.786548] ? do_raw_spin_unlock+0xa7/0x2f0 [ 296.790597] (M) [ 296.792753] fallback_alloc+0x203/0x2e0 [ 296.797132] 2*16kB [ 296.799103] ____cache_alloc_node+0x1c7/0x1e0 [ 296.803051] (M) [ 296.805281] kmem_cache_alloc_node+0xe3/0x730 [ 296.809746] 3*32kB [ 296.811740] ? ipv6_get_ifaddr+0x42e/0x620 [ 296.816209] (MH) [ 296.818438] __alloc_skb+0x119/0x770 [ 296.822645] 5*64kB [ 296.824697] ? skb_scrub_packet+0x490/0x490 [ 296.828382] (MH) [ 296.830622] ? lock_downgrade+0x900/0x900 [ 296.834941] 3*128kB [ 296.836997] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.841112] (M) [ 296.843428] ? refcount_sub_and_test_checked+0x203/0x310 [ 296.848934] 5*256kB [ 296.850900] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 296.856339] (UMH) [ 296.858652] ? addrconf_rs_timer+0x690/0x690 [ 296.864078] 5*512kB [ 296.866220] ndisc_alloc_skb+0x144/0x340 [ 296.870599] (UMH) [ 296.872911] ndisc_send_rs+0x331/0x6e0 [ 296.876944] 4*1024kB [ 296.879100] addrconf_rs_timer+0x314/0x690 [ 296.882959] (UMH) [ 296.885378] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.889598] 2*2048kB [ 296.891746] call_timer_fn+0x272/0x920 [ 296.895950] (M) [ 296.898365] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.902228] 3*4096kB [ 296.904200] ? process_timeout+0x40/0x40 [ 296.908410] (M) [ 296.910818] ? trace_hardirqs_off+0xb8/0x310 [ 296.914851] = 25168kB [ 296.916832] ? kasan_check_read+0x11/0x20 [ 296.921230] Node 0 [ 296.923630] ? do_raw_spin_unlock+0xa7/0x2f0 [ 296.927746] Normal: [ 296.929975] ? trace_hardirqs_on+0x310/0x310 [ 296.934360] 1081*4kB [ 296.936676] ? __run_timers+0x7da/0xc70 [ 296.941074] (UMEH) [ 296.943478] ? lock_downgrade+0x900/0x900 [ 296.947971] 387*8kB (ME) [ 296.950214] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 296.954357] 152*16kB [ 296.957109] ? trace_hardirqs_on+0xbd/0x310 [ 296.962184] (UME) [ 296.964599] ? kasan_check_read+0x11/0x20 [ 296.968894] 54*32kB [ 296.971039] ? __run_timers+0x7da/0xc70 [ 296.975172] (UME) [ 296.977488] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 296.981449] 21*64kB [ 296.983620] ? kasan_check_write+0x14/0x20 [ 296.989045] (UM) [ 296.991361] ? do_raw_spin_lock+0xc1/0x200 [ 296.995570] 0*128kB [ 296.997625] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 297.001834] 0*256kB [ 297.004147] __run_timers+0x7e5/0xc70 [ 297.008358] 2*512kB [ 297.010677] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 297.014445] (U) [ 297.016763] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 297.022097] 0*1024kB [ 297.024084] ? timerqueue_add+0x207/0x2b0 [ 297.029071] 0*2048kB [ 297.031469] ? enqueue_hrtimer+0x1a5/0x560 [ 297.035589] 0*4096kB [ 297.037988] ? lock_release+0x970/0x970 [ 297.042199] = 13948kB [ 297.044599] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 297.048554] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 297.050951] ? check_preemption_disabled+0x48/0x200 [ 297.056136] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 297.064957] ? kasan_check_write+0x14/0x20 [ 297.069951] 4244 total pagecache pages [ 297.079004] ? pvclock_read_flags+0x160/0x160 [ 297.083218] 0 pages in swap cache [ 297.087093] ? lock_downgrade+0x900/0x900 [ 297.091570] Swap cache stats: add 0, delete 0, find 0/0 [ 297.095011] ? trace_hardirqs_on+0xbd/0x310 [ 297.099130] Free swap = 0kB [ 297.104486] ? kvm_sched_clock_read+0x9/0x20 [ 297.108778] Total swap = 0kB [ 297.111811] ? irq_exit+0x17f/0x1c0 [ 297.116193] 1965979 pages RAM [ 297.119205] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.122814] 0 pages HighMem/MovableOnly [ 297.125925] ? check_preemption_disabled+0x48/0x200 [ 297.131438] 342307 pages reserved [ 297.135404] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.140392] 0 pages cma reserved [ 297.143837] run_timer_softirq+0x52/0xb0 [ 297.149391] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 297.152699] ? __this_cpu_preempt_check+0x1c/0x1f [ 297.156808] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 297.163228] __do_softirq+0x30b/0xad8 [ 297.168045] syz-executor2 cpuset= [ 297.178542] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 297.182316] syz2 [ 297.185762] ? pvclock_read_flags+0x160/0x160 [ 297.190844] mems_allowed=0 [ 297.192815] ? lapic_next_event+0x5a/0x90 [ 297.204347] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.209882] ? clockevents_program_event+0x140/0x370 [ 297.214987] ? kvm_clock_read+0x18/0x30 [ 297.218960] ? kvm_sched_clock_read+0x9/0x20 [ 297.223372] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.228908] ? check_preemption_disabled+0x48/0x200 [ 297.233943] irq_exit+0x17f/0x1c0 [ 297.237391] smp_apic_timer_interrupt+0x1cb/0x760 [ 297.242244] ? smp_reschedule_interrupt+0x109/0x650 [ 297.247288] ? smp_call_function_single_interrupt+0x650/0x650 [ 297.253190] ? interrupt_entry+0xb5/0xf0 [ 297.257250] ? trace_hardirqs_off_caller+0xbb/0x310 [ 297.262260] ? trace_hardirqs_off_caller+0xbb/0x310 [ 297.267276] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 297.272119] ? trace_hardirqs_on_caller+0x310/0x310 [ 297.277130] ? trace_hardirqs_on_caller+0x310/0x310 [ 297.282145] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 297.287676] ? check_preemption_disabled+0x48/0x200 [ 297.292692] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 297.298232] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 297.303078] apic_timer_interrupt+0xf/0x20 [ 297.307304] [ 297.309542] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 297.314728] Code: 00 e8 97 f5 a3 f9 e8 d2 63 d3 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d 24 75 80 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d fa 74 [ 297.333622] RSP: 0000:ffff8801bbdd6150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 297.341325] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 297.348587] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe740 [ 297.355850] RBP: ffff8801bbdd6178 R08: ffff8801d838c080 R09: ffffed003b5e5979 [ 297.363117] R10: ffffed003b5e5979 R11: ffff8801daf2cbcb R12: dffffc0000000000 [ 297.370397] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 297.377673] ? trace_hardirqs_on+0x9a/0x310 [ 297.381999] ? trace_hardirqs_on+0xb4/0x310 [ 297.386326] retint_kernel+0x1b/0x2d [ 297.390047] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 297.395323] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 21 17 fa 48 83 3d 99 9c 86 01 00 75 07 e8 9a 7f d3 f9 0f 0b e8 93 7f d3 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 21 17 fa 4c 8b 45 d0 e9 [ 297.414250] RSP: 0000:ffff8801bbdd6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 297.421957] RAX: ffff8801d838c080 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 297.429256] RDX: 0000000000000000 RSI: ffffffff87ab55fd RDI: 0000000000000293 [ 297.436559] RBP: ffff8801bbdd6240 R08: ffff8801d838c080 R09: fffffbfff13d9700 [ 297.443825] R10: fffffbfff13d9700 R11: 0000000000000003 R12: 0000000000000293 [ 297.451092] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff8931f280 [ 297.458393] ? trace_hardirqs_on+0x9a/0x310 [ 297.462725] ? arch_local_irq_restore+0x45/0x52 [ 297.467411] dump_stack+0x26a/0x2b4 [ 297.471042] ? dump_stack_print_info.cold.2+0x52/0x52 [ 297.476246] ? mark_held_locks+0x130/0x130 [ 297.480478] ? mark_held_locks+0x130/0x130 [ 297.484712] dump_header+0x27b/0xf72 [ 297.488425] ? rcu_read_unlock+0x16/0x60 [ 297.492485] ? pagefault_out_of_memory+0x197/0x197 [ 297.497413] ? mark_held_locks+0x130/0x130 [ 297.501642] ? percpu_ref_put_many+0x13e/0x260 [ 297.506219] ? mem_cgroup_charge_statistics+0x780/0x780 [ 297.511586] ? mem_cgroup_iter+0x1f7/0x1160 [ 297.515905] ? mark_held_locks+0x130/0x130 [ 297.520143] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.525676] ? task_will_free_mem+0x239/0xb30 [ 297.530203] ? ___ratelimit+0x36f/0x655 [ 297.534184] ? lock_downgrade+0x900/0x900 [ 297.538330] ? trace_hardirqs_on+0xbd/0x310 [ 297.542644] ? kasan_check_read+0x11/0x20 [ 297.546820] ? ___ratelimit+0x36f/0x655 [ 297.550803] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 297.556248] ? trace_hardirqs_on+0x310/0x310 [ 297.560649] ? lock_downgrade+0x900/0x900 [ 297.564805] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 297.569908] ? ___ratelimit+0xaa/0x655 [ 297.573802] ? idr_get_free+0xec0/0xec0 [ 297.577801] ? kasan_check_write+0x14/0x20 [ 297.582036] ? do_raw_spin_lock+0xc1/0x200 [ 297.586274] oom_kill_process.cold.27+0x10/0x903 [ 297.591032] ? lock_downgrade+0x900/0x900 [ 297.595185] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 297.600993] ? oom_evaluate_task+0x540/0x540 [ 297.605413] ? shrink_node+0x16b0/0x16b0 [ 297.609473] ? oom_unkillable_task+0x383/0x580 [ 297.614053] ? out_of_memory+0x974/0x1430 [ 297.618199] ? lock_downgrade+0x900/0x900 [ 297.622352] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 297.628146] ? __cpuset_node_allowed+0x19b/0x660 [ 297.632918] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 297.638452] ? oom_evaluate_task+0x302/0x540 [ 297.642875] out_of_memory+0xa84/0x1430 [ 297.646870] ? oom_killer_disable+0x3a0/0x3a0 [ 297.651360] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 297.656304] ? __mutex_add_waiter+0x2a0/0x2a0 [ 297.660815] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 297.665827] ? find_next_bit+0x104/0x130 [ 297.669889] __alloc_pages_slowpath+0x2318/0x2d80 [ 297.674747] ? warn_alloc+0x120/0x120 [ 297.678545] ? __radix_tree_lookup+0x4c0/0x4c0 [ 297.683133] ? find_get_entry+0x2f2/0xc40 [ 297.687283] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 297.692214] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 297.697747] ? should_fail+0x22d/0xd01 [ 297.701629] ? ___might_sleep+0x1ed/0x300 [ 297.705789] ? lock_release+0x970/0x970 [ 297.709779] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 297.714889] ? debug_smp_processor_id+0x1c/0x20 [ 297.719564] ? __might_sleep+0x95/0x190 [ 297.723539] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 297.728382] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 297.733400] ? lock_downgrade+0x900/0x900 [ 297.737546] ? ___might_sleep+0x1ed/0x300 [ 297.741687] ? lock_release+0x970/0x970 [ 297.745656] ? arch_local_save_flags+0x40/0x40 [ 297.750237] ? finish_task_switch+0x1f5/0x900 [ 297.754734] ? __might_sleep+0x95/0x190 [ 297.758710] __alloc_pages_nodemask+0xa80/0xde0 [ 297.763382] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 297.768397] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 297.774194] ? kasan_check_write+0x14/0x20 [ 297.778441] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 297.783117] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.788649] ? __do_page_cache_readahead+0x7ce/0x980 [ 297.793755] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 297.799302] alloc_pages_current+0x10c/0x210 [ 297.803708] ? lock_downgrade+0x900/0x900 [ 297.807854] __page_cache_alloc+0x38f/0x5b0 [ 297.812173] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 297.817969] ? ext4_filemap_fault+0x82/0xad [ 297.822291] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 297.826965] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 297.832510] ? check_preemption_disabled+0x48/0x200 [ 297.837538] filemap_fault+0x1594/0x25f0 [ 297.841603] ? __lock_page_or_retry+0xa00/0xa00 [ 297.846270] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 297.852070] ? unwind_dump+0x190/0x190 [ 297.855963] ? is_bpf_text_address+0xd3/0x170 [ 297.860461] ? filemap_map_pages+0xdea/0x1980 [ 297.864968] ? find_get_pages_range_tag+0x1320/0x1320 [ 297.870159] ? save_stack+0xa9/0xd0 [ 297.873800] ? save_stack+0x43/0xd0 [ 297.877459] ? __kasan_slab_free+0x102/0x150 [ 297.881883] ? __sigqueue_free.part.27+0x7d/0xa0 [ 297.886639] ? __dequeue_signal+0x530/0x7d0 [ 297.890961] ? dequeue_signal+0x26c/0x630 [ 297.895107] ? get_signal+0x3ec/0x1980 [ 297.898986] ? do_signal+0x9c/0x21e0 [ 297.902696] ? exit_to_usermode_loop+0x2e5/0x380 [ 297.907451] ? mark_held_locks+0x130/0x130 [ 297.911702] ? trace_hardirqs_on+0x310/0x310 [ 297.916125] ? lock_acquire+0x1ed/0x520 [ 297.920098] ? ext4_filemap_fault+0x7a/0xad [ 297.924419] ? lock_release+0x970/0x970 [ 297.928393] ? arch_local_save_flags+0x40/0x40 [ 297.932973] ? mark_held_locks+0x130/0x130 [ 297.937206] ? trace_hardirqs_off+0xb8/0x310 [ 297.941619] ? down_read+0xb0/0x1d0 [ 297.945244] ? ext4_filemap_fault+0x7a/0xad [ 297.949563] ? __down_interruptible+0x700/0x700 [ 297.954241] ? kmem_cache_free+0x21a/0x290 [ 297.958474] ? __sigqueue_free.part.27+0x7d/0xa0 [ 297.963226] ? __dequeue_signal+0xf9/0x7d0 [ 297.967475] ext4_filemap_fault+0x82/0xad [ 297.971621] __do_fault+0x100/0x6b0 [ 297.975246] ? print_bad_pte+0x6c0/0x6c0 [ 297.979341] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 297.984889] ? pmd_val+0x88/0x100 [ 297.988343] ? add_mm_counter_fast+0xd0/0xd0 [ 297.992747] ? pmd_val+0x88/0x100 [ 297.996198] ? add_mm_counter_fast+0xd0/0xd0 [ 298.000602] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 298.006140] __handle_mm_fault+0x3709/0x53e0 [ 298.010553] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 298.015391] ? kasan_check_write+0x14/0x20 [ 298.019629] ? do_raw_spin_lock+0xc1/0x200 [ 298.023865] ? _raw_spin_unlock_irq+0x60/0x80 [ 298.028359] ? __set_current_blocked+0xe4/0x120 [ 298.033030] ? lock_acquire+0x1ed/0x520 [ 298.037005] ? handle_mm_fault+0x42a/0xc70 [ 298.041234] ? lock_downgrade+0x900/0x900 [ 298.045381] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 298.051184] ? __do_page_fault+0x67d/0xed0 [ 298.055418] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 298.060865] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 298.066400] ? check_preemption_disabled+0x48/0x200 [ 298.071420] handle_mm_fault+0x54f/0xc70 [ 298.075483] ? __handle_mm_fault+0x53e0/0x53e0 [ 298.080062] ? find_vma+0x34/0x190 [ 298.083604] __do_page_fault+0x67d/0xed0 [ 298.087666] ? mm_fault_error+0x380/0x380 [ 298.091851] ? syscall_slow_exit_work+0x520/0x520 [ 298.096693] do_page_fault+0xf2/0x7e0 [ 298.100495] ? vmalloc_sync_all+0x30/0x30 [ 298.104644] ? error_entry+0x70/0xd0 [ 298.108357] ? trace_hardirqs_off_caller+0xbb/0x310 [ 298.113368] ? trace_hardirqs_on_caller+0xc0/0x310 [ 298.118298] ? syscall_return_slowpath+0x5e0/0x5e0 [ 298.123224] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 298.128062] ? trace_hardirqs_on_caller+0x310/0x310 [ 298.133076] ? trace_hardirqs_off+0x310/0x310 [ 298.137571] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 298.142588] ? prepare_exit_to_usermode+0x291/0x3b0 [ 298.147606] ? page_fault+0x8/0x30 [ 298.151164] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 298.156020] ? page_fault+0x8/0x30 [ 298.159558] page_fault+0x1e/0x30 [ 298.163023] RIP: 0033:0x45db60 [ 298.166214] Code: Bad RIP value. [ 298.169597] RSP: 002b:000000c420049ab8 EFLAGS: 00010286 [ 298.174957] RAX: 0000000000000000 RBX: 000000c420026380 RCX: 000000000045ddf3 [ 298.182222] RDX: 000000c420049ac0 RSI: 000000c420049bf0 RDI: 0000000000000011 [ 298.189496] RBP: 000000c420022f08 R08: 0000000000000000 R09: 0000000000000000 [ 298.196761] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42005c168 [ 298.204037] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000 [ 298.211323] CPU: 0 PID: 7800 Comm: syz-executor2 Not tainted 4.19.0-rc6+ #119 [ 298.211377] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 298.218603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 298.218615] Call Trace: [ 298.218620] [ 298.218636] dump_stack+0x1c4/0x2b4 [ 298.218653] ? dump_stack_print_info.cold.2+0x52/0x52 [ 298.225184] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 298.234479] warn_alloc.cold.119+0xb7/0x1bd [ 298.237039] syz-fuzzer cpuset= [ 298.239178] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 298.242776] / [ 298.248003] ? lock_downgrade+0x900/0x900 [ 298.258199] mems_allowed=0 [ 298.262507] ? trace_hardirqs_off+0xb8/0x310 [ 298.283643] ? trace_hardirqs_off+0xb8/0x310 [ 298.288055] __alloc_pages_slowpath+0x2667/0x2d80 [ 298.292912] ? warn_alloc+0x120/0x120 [ 298.296712] ? warn_alloc+0x120/0x120 [ 298.300510] ? warn_alloc+0x120/0x120 [ 298.304311] ? mark_held_locks+0x130/0x130 [ 298.308559] ? trace_hardirqs_on+0x310/0x310 [ 298.312967] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.318518] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 298.324068] ? should_fail+0x22d/0xd01 [ 298.327955] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 298.333072] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 298.338622] ? should_fail+0x22d/0xd01 [ 298.342532] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 298.347634] ? should_fail+0x22d/0xd01 [ 298.351575] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 298.356676] ? mark_held_locks+0x130/0x130 [ 298.360910] ? mark_held_locks+0x130/0x130 [ 298.365159] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.370697] ? trace_hardirqs_off+0xb8/0x310 [ 298.375116] ? kasan_check_read+0x11/0x20 [ 298.379268] ? do_raw_spin_unlock+0xa7/0x2f0 [ 298.383671] ? trace_hardirqs_on+0x310/0x310 [ 298.388078] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.393615] ? wq_watchdog_touch+0x9c/0xfe [ 298.397845] ? io_serial_in+0x11/0x90 [ 298.401641] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.407181] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 298.412290] __alloc_pages_nodemask+0xa80/0xde0 [ 298.416963] ? should_fail+0x22d/0xd01 [ 298.420857] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 298.425899] ? ____cache_alloc_node+0x1c7/0x1e0 [ 298.430566] ? lock_downgrade+0x900/0x900 [ 298.434715] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.440251] cache_grow_begin+0x91/0x8c0 [ 298.444315] ? do_raw_spin_unlock+0xa7/0x2f0 [ 298.448728] fallback_alloc+0x203/0x2e0 [ 298.452703] ____cache_alloc_node+0x1c7/0x1e0 [ 298.457198] kmem_cache_alloc_node+0xe3/0x730 [ 298.461685] ? ipv6_get_ifaddr+0x42e/0x620 [ 298.465946] __alloc_skb+0x119/0x770 [ 298.469659] ? skb_scrub_packet+0x490/0x490 [ 298.474007] ? lock_downgrade+0x900/0x900 [ 298.478154] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.483688] ? refcount_sub_and_test_checked+0x203/0x310 [ 298.489140] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 298.494618] ? addrconf_rs_timer+0x690/0x690 [ 298.499029] ndisc_alloc_skb+0x144/0x340 [ 298.503088] ndisc_send_rs+0x331/0x6e0 [ 298.506980] addrconf_rs_timer+0x314/0x690 [ 298.511214] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 298.515451] call_timer_fn+0x272/0x920 [ 298.519352] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 298.523586] ? process_timeout+0x40/0x40 [ 298.527644] ? trace_hardirqs_off+0xb8/0x310 [ 298.532062] ? kasan_check_read+0x11/0x20 [ 298.536210] ? do_raw_spin_unlock+0xa7/0x2f0 [ 298.540613] ? trace_hardirqs_on+0x310/0x310 [ 298.545019] ? __run_timers+0x7da/0xc70 [ 298.548999] ? lock_downgrade+0x900/0x900 [ 298.553148] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 298.558250] ? trace_hardirqs_on+0xbd/0x310 [ 298.562568] ? kasan_check_read+0x11/0x20 [ 298.566712] ? __run_timers+0x7da/0xc70 [ 298.570685] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 298.576131] ? kasan_check_write+0x14/0x20 [ 298.580363] ? do_raw_spin_lock+0xc1/0x200 [ 298.584596] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 298.588832] __run_timers+0x7e5/0xc70 [ 298.592639] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 298.597997] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 298.603007] ? timerqueue_add+0x207/0x2b0 [ 298.607186] ? enqueue_hrtimer+0x1a5/0x560 [ 298.611414] ? lock_release+0x970/0x970 [ 298.615386] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 298.620571] ? kasan_check_write+0x14/0x20 [ 298.624819] ? pvclock_read_flags+0x160/0x160 [ 298.629330] ? lock_downgrade+0x900/0x900 [ 298.633514] ? trace_hardirqs_on+0xbd/0x310 [ 298.637844] ? kvm_sched_clock_read+0x9/0x20 [ 298.642252] ? irq_exit+0x17f/0x1c0 [ 298.645896] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.651431] ? check_preemption_disabled+0x48/0x200 [ 298.656441] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.661978] run_timer_softirq+0x52/0xb0 [ 298.666034] ? __this_cpu_preempt_check+0x1c/0x1f [ 298.670871] __do_softirq+0x30b/0xad8 [ 298.674672] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 298.679777] ? pvclock_read_flags+0x160/0x160 [ 298.684282] ? lapic_next_event+0x5a/0x90 [ 298.688428] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.693993] ? clockevents_program_event+0x140/0x370 [ 298.699096] ? kvm_clock_read+0x18/0x30 [ 298.703098] ? kvm_sched_clock_read+0x9/0x20 [ 298.707498] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.713029] ? check_preemption_disabled+0x48/0x200 [ 298.718049] irq_exit+0x17f/0x1c0 [ 298.721516] smp_apic_timer_interrupt+0x1cb/0x760 [ 298.726351] ? smp_reschedule_interrupt+0x109/0x650 [ 298.731365] ? smp_call_function_single_interrupt+0x650/0x650 [ 298.737244] ? interrupt_entry+0xb5/0xf0 [ 298.741321] ? trace_hardirqs_off_caller+0xbb/0x310 [ 298.746332] ? trace_hardirqs_off_caller+0xbb/0x310 [ 298.751345] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 298.756183] ? trace_hardirqs_on_caller+0x310/0x310 [ 298.761281] ? trace_hardirqs_on_caller+0x310/0x310 [ 298.766321] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.771854] ? check_preemption_disabled+0x48/0x200 [ 298.776889] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 298.781731] apic_timer_interrupt+0xf/0x20 [ 298.785955] [ 298.788191] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 298.794073] Code: 3f 7e 0f 85 32 ff ff ff e8 53 4a 3e ff e9 28 ff ff ff e8 ba ad c2 ff 48 83 3d 0a bf 6f 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 62 23 [ 298.812979] RSP: 0018:ffff88019a29f4a8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 298.820688] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000627e000 [ 298.827948] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 298.835223] RBP: ffff88019a29f520 R08: ffff8801ba14e480 R09: fffffbfff12720c0 [ 298.842501] R10: ffff88019a29e0f0 R11: ffffffff89390603 R12: ffff8801da800ac0 [ 298.849765] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286 [ 298.857063] ? trace_hardirqs_on+0xb4/0x310 [ 298.861382] ? save_stack+0xa9/0xd0 [ 298.865013] __kmalloc_node_track_caller+0x33/0x70 [ 298.869956] __kmalloc_reserve.isra.39+0xcc/0xe0 [ 298.874727] pskb_expand_head+0x230/0x10f0 [ 298.878977] ? lock_downgrade+0x900/0x900 [ 298.883115] ? check_preemption_disabled+0x48/0x200 [ 298.888129] ? memcpy+0x45/0x50 [ 298.891412] ? __copy_skb_header+0x350/0x6b0 [ 298.895821] ? __pskb_copy_fclone+0xeb0/0xeb0 [ 298.900309] ? skb_checksum+0x140/0x140 [ 298.904285] ? trace_hardirqs_on+0xbd/0x310 [ 298.908610] ? skb_clone+0x1bb/0x500 [ 298.912319] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 298.917765] ? kasan_unpoison_shadow+0x35/0x50 [ 298.922370] ? kasan_check_write+0x14/0x20 [ 298.926615] ? __skb_clone+0x6c7/0xa00 [ 298.930500] ? __copy_skb_header+0x6b0/0x6b0 [ 298.934919] ? kmem_cache_alloc+0x306/0x730 [ 298.939258] skb_ensure_writable+0x3dd/0x640 [ 298.943664] ? skb_cow_data+0xf10/0xf10 [ 298.948114] ? check_preemption_disabled+0x48/0x200 [ 298.953132] ? __this_cpu_preempt_check+0x1c/0x1f [ 298.957971] ? __bpf_redirect+0x54b/0xb20 [ 298.962115] ? __switch_to_asm+0x34/0x70 [ 298.966175] bpf_clone_redirect+0x14a/0x490 [ 298.970495] bpf_prog_3d1649e183dc2cc1+0xca3/0x1000 [ 298.975509] ? __sched_text_start+0x8/0x8 [ 298.979670] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 298.984424] ? retint_kernel+0x2d/0x2d [ 298.988307] ? trace_hardirqs_on_caller+0xc0/0x310 [ 298.993232] ? retint_kernel+0x2d/0x2d [ 298.997115] ? trace_hardirqs_on_caller+0xc0/0x310 [ 299.002056] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 299.006818] ? trace_hardirqs_off+0x310/0x310 [ 299.011309] ? retint_kernel+0x1b/0x2d [ 299.015210] ? lock_acquire+0x1ed/0x520 [ 299.019180] ? bpf_test_run+0x3cb/0x780 [ 299.023150] ? lock_downgrade+0x900/0x900 [ 299.027310] ? lock_release+0x970/0x970 [ 299.031289] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 299.037082] ? preempt_schedule_common+0x1f/0xd0 [ 299.041844] ? preempt_schedule+0x4d/0x60 [ 299.046015] ? ___preempt_schedule+0x16/0x18 [ 299.050443] ? bpf_test_run+0x25d/0x780 [ 299.054422] ? netlink_diag_dump+0x2a0/0x2a0 [ 299.058834] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 299.064367] ? bpf_test_init.isra.9+0x70/0x100 [ 299.068948] ? bpf_prog_test_run_skb+0x634/0xb40 [ 299.073707] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 299.078660] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 299.084190] ? fput+0x130/0x1a0 [ 299.087483] ? __bpf_prog_get+0x9b/0x290 [ 299.091540] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 299.096410] ? bpf_prog_test_run+0x130/0x1a0 [ 299.100822] ? __x64_sys_bpf+0x3d8/0x510 [ 299.104907] ? bpf_prog_get+0x20/0x20 [ 299.108710] ? __x64_sys_futex+0x4bc/0x6a0 [ 299.112946] ? do_syscall_64+0x1b9/0x820 [ 299.117020] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 299.122383] ? syscall_return_slowpath+0x5e0/0x5e0 [ 299.127305] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 299.132149] ? trace_hardirqs_on_caller+0x310/0x310 [ 299.137161] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 299.142173] ? prepare_exit_to_usermode+0x291/0x3b0 [ 299.147193] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 299.152034] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 299.157402] warn_alloc_show_mem: 1 callbacks suppressed [ 299.157417] CPU: 1 PID: 5806 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #119 [ 299.157419] Mem-Info: [ 299.157448] active_anon:46475 inactive_anon:4207 isolated_anon:0 [ 299.157448] active_file:17 inactive_file:13 isolated_file:0 [ 299.157448] unevictable:0 dirty:0 writeback:0 unstable:0 [ 299.157448] slab_reclaimable:8782 slab_unreclaimable:1485678 [ 299.157448] mapped:8194 shmem:4214 pagetables:396 bounce:0 [ 299.157448] free:13756 free_pcp:276 free_cma:0 [ 299.162794] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 299.169822] Node 0 active_anon:185900kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32776kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 299.172211] Call Trace: [ 299.205157] Node 0 [ 299.214494] [ 299.242256] 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 [ 299.244816] dump_stack+0x1c4/0x2b4 [ 299.247037] lowmem_reserve[]: [ 299.249179] ? dump_stack_print_info.cold.2+0x52/0x52 [ 299.274657] 0 [ 299.278281] warn_alloc.cold.119+0xb7/0x1bd [ 299.281356] 2819 [ 299.286541] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 299.288320] 6323 [ 299.292631] ? lock_downgrade+0x900/0x900 [ 299.294664] 6323 [ 299.299493] ? trace_hardirqs_off+0xb8/0x310 [ 299.305674] ? trace_hardirqs_off+0xb8/0x310 [ 299.307712] Node 0 [ 299.312108] __alloc_pages_slowpath+0x2667/0x2d80 [ 299.316508] DMA32 free:25168kB min:30060kB low:37572kB high:45084kB active_anon:10240kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 299.318719] ? warn_alloc+0x120/0x120 [ 299.323527] lowmem_reserve[]: [ 299.350759] ? warn_alloc+0x120/0x120 [ 299.354559] 0 [ 299.357653] ? warn_alloc+0x120/0x120 [ 299.361426] 0 [ 299.363223] ? mark_held_locks+0x130/0x130 [ 299.366998] 3503 [ 299.368832] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.373041] 3503 [ 299.375111] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 299.382683] ? should_fail+0x22d/0xd01 [ 299.388197] Node 0 Normal free:13948kB min:37352kB low:46688kB high:56024kB active_anon:175660kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5056kB pagetables:1584kB bounce:0kB free_pcp:856kB local_pcp:320kB free_cma:0kB [ 299.392133] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 299.392150] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 299.421188] lowmem_reserve[]: [ 299.426281] ? should_fail+0x22d/0xd01 [ 299.431800] 0 [ 299.434893] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 299.438751] 0 [ 299.440565] ? should_fail+0x22d/0xd01 [ 299.445642] 0 [ 299.447437] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 299.451294] 0 [ 299.453090] ? mark_held_locks+0x130/0x130 [ 299.459975] ? mark_held_locks+0x130/0x130 [ 299.464180] Node 0 [ 299.468432] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.468434] DMA: 1*4kB [ 299.470669] ? trace_hardirqs_off+0xb8/0x310 [ 299.476180] (U) [ 299.478772] ? kasan_check_read+0x11/0x20 [ 299.483164] 0*8kB [ 299.485132] ? do_raw_spin_unlock+0xa7/0x2f0 [ 299.489249] 0*16kB [ 299.491406] ? trace_hardirqs_on+0x310/0x310 [ 299.495801] 1*32kB [ 299.498030] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.502407] (U) [ 299.504650] ? wq_watchdog_touch+0x9c/0xfe [ 299.510189] 2*64kB [ 299.512157] ? io_serial_in+0x11/0x90 [ 299.516390] (U) [ 299.518621] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.522394] 1*128kB [ 299.524364] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 299.529902] (U) [ 299.532238] __alloc_pages_nodemask+0xa80/0xde0 [ 299.537310] 1*256kB [ 299.539276] ? should_fail+0x22d/0xd01 [ 299.543920] (U) [ 299.546233] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 299.550095] 0*512kB [ 299.552070] ? ____cache_alloc_node+0x1c7/0x1e0 [ 299.557047] 1*1024kB [ 299.559358] ? lock_downgrade+0x900/0x900 [ 299.563997] (U) [ 299.566417] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.570542] 1*2048kB [ 299.572512] cache_grow_begin+0x91/0x8c0 [ 299.578039] (M) [ 299.580446] ? do_raw_spin_unlock+0xa7/0x2f0 [ 299.584480] 3*4096kB [ 299.586446] fallback_alloc+0x203/0x2e0 [ 299.590825] (M) [ 299.593229] ____cache_alloc_node+0x1c7/0x1e0 [ 299.597187] = 15908kB [ 299.599171] kmem_cache_alloc_node+0xe3/0x730 [ 299.603648] Node 0 [ 299.606060] ? ipv6_get_ifaddr+0x42e/0x620 [ 299.610525] DMA32: [ 299.612755] __alloc_skb+0x119/0x770 [ 299.616959] 2*4kB [ 299.619189] ? skb_scrub_packet+0x490/0x490 [ 299.622877] (M) [ 299.625023] ? lock_downgrade+0x900/0x900 [ 299.629316] 1*8kB [ 299.631307] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.635414] (M) [ 299.637577] ? refcount_sub_and_test_checked+0x203/0x310 [ 299.643100] 2*16kB [ 299.645077] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 299.650527] (M) [ 299.652751] ? addrconf_rs_timer+0x690/0x690 [ 299.658176] 3*32kB [ 299.660156] ndisc_alloc_skb+0x144/0x340 [ 299.664531] (MH) [ 299.666769] ndisc_send_rs+0x331/0x6e0 [ 299.670844] 5*64kB [ 299.672901] addrconf_rs_timer+0x314/0x690 [ 299.676760] (MH) [ 299.679079] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 299.683287] 3*128kB [ 299.685364] call_timer_fn+0x272/0x920 [ 299.689567] (M) [ 299.691894] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 299.695759] 5*256kB [ 299.697728] ? process_timeout+0x40/0x40 [ 299.701933] (UMH) [ 299.704247] ? trace_hardirqs_off+0xb8/0x310 [ 299.708278] 5*512kB [ 299.710433] ? kasan_check_read+0x11/0x20 [ 299.714822] (UMH) [ 299.717158] ? do_raw_spin_unlock+0xa7/0x2f0 [ 299.721280] 4*1024kB [ 299.723437] ? trace_hardirqs_on+0x310/0x310 [ 299.727819] (UMH) [ 299.730224] ? __run_timers+0x7da/0xc70 [ 299.734609] 2*2048kB [ 299.736748] ? lock_downgrade+0x900/0x900 [ 299.740696] (M) [ 299.743101] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 299.747219] 3*4096kB [ 299.749188] ? trace_hardirqs_on+0xbd/0x310 [ 299.754266] (M) [ 299.756732] ? kasan_check_read+0x11/0x20 [ 299.761057] = 25168kB [ 299.763054] ? __run_timers+0x7da/0xc70 [ 299.767177] Node 0 [ 299.769583] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 299.773526] Normal: [ 299.775753] ? kasan_check_write+0x14/0x20 [ 299.781176] 1081*4kB [ 299.783490] ? do_raw_spin_lock+0xc1/0x200 [ 299.787696] (UMEH) [ 299.790128] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 299.794341] 387*8kB [ 299.796571] __run_timers+0x7e5/0xc70 [ 299.800777] (ME) [ 299.803116] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 299.806889] 152*16kB [ 299.808947] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 299.814285] (UME) [ 299.816697] ? timerqueue_add+0x207/0x2b0 [ 299.821686] 54*32kB [ 299.823826] ? enqueue_hrtimer+0x1a5/0x560 [ 299.827950] (UME) [ 299.830269] ? lock_release+0x970/0x970 [ 299.834476] 21*64kB [ 299.836613] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 299.840563] (UM) [ 299.842882] ? check_preemption_disabled+0x48/0x200 [ 299.848058] 0*128kB [ 299.850112] ? kasan_check_write+0x14/0x20 [ 299.855117] 0*256kB [ 299.857433] ? pvclock_read_flags+0x160/0x160 [ 299.861644] 2*512kB [ 299.863962] ? lock_downgrade+0x900/0x900 [ 299.868432] (U) [ 299.870752] ? trace_hardirqs_on+0xbd/0x310 [ 299.874887] 0*1024kB [ 299.876860] ? kvm_sched_clock_read+0x9/0x20 [ 299.881154] 0*2048kB [ 299.883555] ? irq_exit+0x17f/0x1c0 [ 299.887935] 0*4096kB [ 299.890336] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.893934] = 13948kB [ 299.896332] ? check_preemption_disabled+0x48/0x200 [ 299.901938] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 299.904335] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.909326] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 299.918145] run_timer_softirq+0x52/0xb0 [ 299.923656] 4244 total pagecache pages [ 299.932234] ? __this_cpu_preempt_check+0x1c/0x1f [ 299.936272] 0 pages in swap cache [ 299.940150] __do_softirq+0x30b/0xad8 [ 299.944967] Swap cache stats: add 0, delete 0, find 0/0 [ 299.948404] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 299.952179] Free swap = 0kB [ 299.957530] ? pvclock_read_flags+0x160/0x160 [ 299.962621] Total swap = 0kB [ 299.965633] ? lapic_next_event+0x5a/0x90 [ 299.970119] 1965979 pages RAM [ 299.973133] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.977254] 0 pages HighMem/MovableOnly [ 299.980372] ? clockevents_program_event+0x140/0x370 [ 299.985884] 342307 pages reserved [ 299.989881] ? kvm_clock_read+0x18/0x30 [ 299.994956] 0 pages cma reserved [ 299.998396] ? kvm_sched_clock_read+0x9/0x20 [ 300.002403] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 300.005708] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.010158] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 300.016571] ? check_preemption_disabled+0x48/0x200 [ 300.022092] syz-executor2 cpuset= [ 300.032585] irq_exit+0x17f/0x1c0 [ 300.037570] syz2 [ 300.041012] smp_apic_timer_interrupt+0x1cb/0x760 [ 300.044442] mems_allowed=0 [ 300.046410] ? smp_reschedule_interrupt+0x109/0x650 [ 300.059146] ? smp_call_function_single_interrupt+0x650/0x650 [ 300.065067] ? interrupt_entry+0xb5/0xf0 [ 300.069139] ? trace_hardirqs_off_caller+0xbb/0x310 [ 300.074149] ? trace_hardirqs_off_caller+0xbb/0x310 [ 300.079160] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 300.084004] ? trace_hardirqs_on_caller+0x310/0x310 [ 300.089012] ? trace_hardirqs_on_caller+0x310/0x310 [ 300.094022] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.099571] ? check_preemption_disabled+0x48/0x200 [ 300.104599] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.110140] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 300.114986] apic_timer_interrupt+0xf/0x20 [ 300.119212] [ 300.121451] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 300.126636] Code: 00 e8 97 f5 a3 f9 e8 d2 63 d3 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d 24 75 80 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d fa 74 [ 300.145534] RSP: 0000:ffff8801bbdd6150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 300.153240] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 300.160500] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe740 [ 300.167783] RBP: ffff8801bbdd6178 R08: ffff8801d838c080 R09: ffffed003b5e5979 [ 300.175058] R10: ffffed003b5e5979 R11: ffff8801daf2cbcb R12: dffffc0000000000 [ 300.182322] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 300.189598] ? trace_hardirqs_on+0x9a/0x310 [ 300.193914] ? trace_hardirqs_on+0xb4/0x310 [ 300.198237] retint_kernel+0x1b/0x2d [ 300.201964] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 300.207248] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 21 17 fa 48 83 3d 99 9c 86 01 00 75 07 e8 9a 7f d3 f9 0f 0b e8 93 7f d3 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 21 17 fa 4c 8b 45 d0 e9 [ 300.226142] RSP: 0000:ffff8801bbdd6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 300.233849] RAX: ffff8801d838c080 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 300.241136] RDX: 0000000000000000 RSI: ffffffff87ab55fd RDI: 0000000000000293 [ 300.248421] RBP: ffff8801bbdd6240 R08: ffff8801d838c080 R09: fffffbfff13d9700 [ 300.255685] R10: fffffbfff13d9700 R11: 0000000000000003 R12: 0000000000000293 [ 300.262945] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff8931f280 [ 300.270223] ? trace_hardirqs_on+0x9a/0x310 [ 300.274556] ? arch_local_irq_restore+0x45/0x52 [ 300.279228] dump_stack+0x26a/0x2b4 [ 300.282853] ? dump_stack_print_info.cold.2+0x52/0x52 [ 300.288039] ? mark_held_locks+0x130/0x130 [ 300.292309] ? mark_held_locks+0x130/0x130 [ 300.296547] dump_header+0x27b/0xf72 [ 300.300257] ? rcu_read_unlock+0x16/0x60 [ 300.304338] ? pagefault_out_of_memory+0x197/0x197 [ 300.309266] ? mark_held_locks+0x130/0x130 [ 300.313496] ? percpu_ref_put_many+0x13e/0x260 [ 300.318076] ? mem_cgroup_charge_statistics+0x780/0x780 [ 300.323441] ? mem_cgroup_iter+0x1f7/0x1160 [ 300.327764] ? mark_held_locks+0x130/0x130 [ 300.332010] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.337541] ? task_will_free_mem+0x239/0xb30 [ 300.342039] ? ___ratelimit+0x36f/0x655 [ 300.346010] ? lock_downgrade+0x900/0x900 [ 300.350156] ? trace_hardirqs_on+0xbd/0x310 [ 300.354473] ? kasan_check_read+0x11/0x20 [ 300.358611] ? ___ratelimit+0x36f/0x655 [ 300.362584] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 300.368047] ? trace_hardirqs_on+0x310/0x310 [ 300.372468] ? lock_downgrade+0x900/0x900 [ 300.376617] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 300.381718] ? ___ratelimit+0xaa/0x655 [ 300.385631] ? idr_get_free+0xec0/0xec0 [ 300.389601] ? kasan_check_write+0x14/0x20 [ 300.393838] ? do_raw_spin_lock+0xc1/0x200 [ 300.398083] oom_kill_process.cold.27+0x10/0x903 [ 300.402866] ? lock_downgrade+0x900/0x900 [ 300.407017] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 300.412820] ? oom_evaluate_task+0x540/0x540 [ 300.417230] ? shrink_node+0x16b0/0x16b0 [ 300.421294] ? oom_unkillable_task+0x383/0x580 [ 300.425890] ? out_of_memory+0x974/0x1430 [ 300.430033] ? lock_downgrade+0x900/0x900 [ 300.434183] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 300.439980] ? __cpuset_node_allowed+0x19b/0x660 [ 300.444754] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.450291] ? oom_evaluate_task+0x302/0x540 [ 300.454701] out_of_memory+0xa84/0x1430 [ 300.458691] ? oom_killer_disable+0x3a0/0x3a0 [ 300.463182] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 300.468113] ? __mutex_add_waiter+0x2a0/0x2a0 [ 300.472622] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 300.477635] ? find_next_bit+0x104/0x130 [ 300.481699] __alloc_pages_slowpath+0x2318/0x2d80 [ 300.486556] ? warn_alloc+0x120/0x120 [ 300.490351] ? __radix_tree_lookup+0x4c0/0x4c0 [ 300.494951] ? find_get_entry+0x2f2/0xc40 [ 300.499102] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 300.504026] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.509569] ? should_fail+0x22d/0xd01 [ 300.513454] ? ___might_sleep+0x1ed/0x300 [ 300.517600] ? lock_release+0x970/0x970 [ 300.521576] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 300.526674] ? debug_smp_processor_id+0x1c/0x20 [ 300.531361] ? __might_sleep+0x95/0x190 [ 300.535336] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 300.540209] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 300.545245] ? lock_downgrade+0x900/0x900 [ 300.549390] ? ___might_sleep+0x1ed/0x300 [ 300.553531] ? lock_release+0x970/0x970 [ 300.557504] ? arch_local_save_flags+0x40/0x40 [ 300.562098] ? finish_task_switch+0x1f5/0x900 [ 300.566593] ? __might_sleep+0x95/0x190 [ 300.570569] __alloc_pages_nodemask+0xa80/0xde0 [ 300.575236] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 300.580251] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 300.586043] ? kasan_check_write+0x14/0x20 [ 300.590280] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 300.594970] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.600504] ? __do_page_cache_readahead+0x7ce/0x980 [ 300.605609] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 300.611144] alloc_pages_current+0x10c/0x210 [ 300.615546] ? lock_downgrade+0x900/0x900 [ 300.619690] __page_cache_alloc+0x38f/0x5b0 [ 300.624022] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 300.629826] ? ext4_filemap_fault+0x82/0xad [ 300.634145] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 300.638816] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.644346] ? check_preemption_disabled+0x48/0x200 [ 300.649362] filemap_fault+0x1594/0x25f0 [ 300.653425] ? __lock_page_or_retry+0xa00/0xa00 [ 300.658112] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 300.663907] ? unwind_dump+0x190/0x190 [ 300.667805] ? is_bpf_text_address+0xd3/0x170 [ 300.672335] ? filemap_map_pages+0xdea/0x1980 [ 300.676838] ? find_get_pages_range_tag+0x1320/0x1320 [ 300.682018] ? save_stack+0xa9/0xd0 [ 300.685642] ? save_stack+0x43/0xd0 [ 300.689261] ? __kasan_slab_free+0x102/0x150 [ 300.693669] ? __sigqueue_free.part.27+0x7d/0xa0 [ 300.698436] ? __dequeue_signal+0x530/0x7d0 [ 300.702751] ? dequeue_signal+0x26c/0x630 [ 300.706896] ? get_signal+0x3ec/0x1980 [ 300.710776] ? do_signal+0x9c/0x21e0 [ 300.714553] ? exit_to_usermode_loop+0x2e5/0x380 [ 300.719312] ? mark_held_locks+0x130/0x130 [ 300.723545] ? trace_hardirqs_on+0x310/0x310 [ 300.727951] ? lock_acquire+0x1ed/0x520 [ 300.731919] ? ext4_filemap_fault+0x7a/0xad [ 300.736242] ? lock_release+0x970/0x970 [ 300.740210] ? arch_local_save_flags+0x40/0x40 [ 300.744794] ? mark_held_locks+0x130/0x130 [ 300.749023] ? trace_hardirqs_off+0xb8/0x310 [ 300.753438] ? down_read+0xb0/0x1d0 [ 300.757056] ? ext4_filemap_fault+0x7a/0xad [ 300.761384] ? __down_interruptible+0x700/0x700 [ 300.766048] ? kmem_cache_free+0x21a/0x290 [ 300.770302] ? __sigqueue_free.part.27+0x7d/0xa0 [ 300.775051] ? __dequeue_signal+0xf9/0x7d0 [ 300.779334] ext4_filemap_fault+0x82/0xad [ 300.783509] __do_fault+0x100/0x6b0 [ 300.787164] ? print_bad_pte+0x6c0/0x6c0 [ 300.791222] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.796757] ? pmd_val+0x88/0x100 [ 300.800212] ? add_mm_counter_fast+0xd0/0xd0 [ 300.804619] ? pmd_val+0x88/0x100 [ 300.808072] ? add_mm_counter_fast+0xd0/0xd0 [ 300.812477] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.818014] __handle_mm_fault+0x3709/0x53e0 [ 300.822431] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 300.827268] ? kasan_check_write+0x14/0x20 [ 300.831502] ? do_raw_spin_lock+0xc1/0x200 [ 300.835738] ? _raw_spin_unlock_irq+0x60/0x80 [ 300.840229] ? __set_current_blocked+0xe4/0x120 [ 300.844899] ? lock_acquire+0x1ed/0x520 [ 300.848887] ? handle_mm_fault+0x42a/0xc70 [ 300.853127] ? lock_downgrade+0x900/0x900 [ 300.857287] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 300.863090] ? __do_page_fault+0x67d/0xed0 [ 300.867321] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 300.872773] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.878316] ? check_preemption_disabled+0x48/0x200 [ 300.883332] handle_mm_fault+0x54f/0xc70 [ 300.887395] ? __handle_mm_fault+0x53e0/0x53e0 [ 300.891981] ? find_vma+0x34/0x190 [ 300.895534] __do_page_fault+0x67d/0xed0 [ 300.899599] ? mm_fault_error+0x380/0x380 [ 300.903759] ? syscall_slow_exit_work+0x520/0x520 [ 300.908606] do_page_fault+0xf2/0x7e0 [ 300.912404] ? vmalloc_sync_all+0x30/0x30 [ 300.916567] ? error_entry+0x70/0xd0 [ 300.920276] ? trace_hardirqs_off_caller+0xbb/0x310 [ 300.925289] ? trace_hardirqs_on_caller+0xc0/0x310 [ 300.930218] ? syscall_return_slowpath+0x5e0/0x5e0 [ 300.935159] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 300.940029] ? trace_hardirqs_on_caller+0x310/0x310 [ 300.945041] ? trace_hardirqs_off+0x310/0x310 [ 300.949637] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 300.954648] ? prepare_exit_to_usermode+0x291/0x3b0 [ 300.959674] ? page_fault+0x8/0x30 [ 300.963207] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 300.968097] ? page_fault+0x8/0x30 [ 300.971631] page_fault+0x1e/0x30 [ 300.975091] RIP: 0033:0x45db60 [ 300.978285] Code: Bad RIP value. [ 300.981648] RSP: 002b:000000c420049ab8 EFLAGS: 00010286 [ 300.987004] RAX: 0000000000000000 RBX: 000000c420026380 RCX: 000000000045ddf3 [ 300.994268] RDX: 000000c420049ac0 RSI: 000000c420049bf0 RDI: 0000000000000011 [ 301.001534] RBP: 000000c420022f08 R08: 0000000000000000 R09: 0000000000000000 [ 301.008804] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42005c168 [ 301.016069] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000 [ 301.023367] CPU: 0 PID: 7800 Comm: syz-executor2 Not tainted 4.19.0-rc6+ #119 [ 301.023430] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 301.030635] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 301.030639] Call Trace: [ 301.030645] [ 301.030660] dump_stack+0x1c4/0x2b4 [ 301.030676] ? dump_stack_print_info.cold.2+0x52/0x52 [ 301.037225] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 301.046515] warn_alloc.cold.119+0xb7/0x1bd [ 301.049070] syz-fuzzer cpuset= [ 301.051226] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 301.054821] / [ 301.060002] ? lock_downgrade+0x900/0x900 [ 301.070200] mems_allowed=0 [ 301.074508] ? trace_hardirqs_off+0xb8/0x310 [ 301.095802] ? trace_hardirqs_off+0xb8/0x310 [ 301.100247] __alloc_pages_slowpath+0x2667/0x2d80 [ 301.105106] ? warn_alloc+0x120/0x120 [ 301.108911] ? trace_hardirqs_on+0x310/0x310 [ 301.113314] ? warn_alloc+0x120/0x120 [ 301.117120] ? warn_alloc+0x120/0x120 [ 301.120917] ? ktime_get+0x2e1/0x440 [ 301.124625] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.130171] ? check_preemption_disabled+0x48/0x200 [ 301.135199] ? kasan_check_read+0x11/0x20 [ 301.139347] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 301.144880] ? should_fail+0x22d/0xd01 [ 301.148761] ? rcu_bh_qs+0xc0/0xc0 [ 301.152310] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 301.157410] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 301.162946] ? should_fail+0x22d/0xd01 [ 301.166832] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 301.171941] ? should_fail+0x22d/0xd01 [ 301.175831] ? rcu_idle_enter+0x4b0/0x4b0 [ 301.179975] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 301.185076] ? mark_held_locks+0x130/0x130 [ 301.189314] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.194847] ? mark_held_locks+0x130/0x130 [ 301.199095] ? rcu_irq_exit+0xce/0x100 [ 301.202986] ? irq_exit+0xbd/0x1c0 [ 301.206542] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 301.211558] ? do_raw_spin_unlock+0xa7/0x2f0 [ 301.215966] ? smp_call_function_single_interrupt+0x650/0x650 [ 301.221878] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.227412] ? ret_from_intr+0xb/0x1e [ 301.231211] ? retint_kernel+0x2d/0x2d [ 301.235100] ? trace_hardirqs_on_caller+0xc0/0x310 [ 301.240045] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 301.244809] ? trace_hardirqs_off+0x310/0x310 [ 301.249351] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 301.254455] __alloc_pages_nodemask+0xa80/0xde0 [ 301.259123] ? should_fail+0x22d/0xd01 [ 301.263007] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 301.268031] ? ____cache_alloc_node+0x1c7/0x1e0 [ 301.272692] ? lock_downgrade+0x900/0x900 [ 301.276847] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.282382] cache_grow_begin+0x91/0x8c0 [ 301.286454] ? do_raw_spin_unlock+0xa7/0x2f0 [ 301.290863] fallback_alloc+0x203/0x2e0 [ 301.294839] ____cache_alloc_node+0x1c7/0x1e0 [ 301.299358] kmem_cache_alloc_node+0xe3/0x730 [ 301.303861] ? ipv6_get_ifaddr+0x42e/0x620 [ 301.308104] __alloc_skb+0x119/0x770 [ 301.311848] ? skb_scrub_packet+0x490/0x490 [ 301.316164] ? lock_downgrade+0x900/0x900 [ 301.320311] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.325851] ? refcount_sub_and_test_checked+0x203/0x310 [ 301.331300] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 301.336747] ? addrconf_rs_timer+0x690/0x690 [ 301.341156] ndisc_alloc_skb+0x144/0x340 [ 301.345217] ndisc_send_rs+0x331/0x6e0 [ 301.349121] addrconf_rs_timer+0x314/0x690 [ 301.353381] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.357622] call_timer_fn+0x272/0x920 [ 301.361507] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.365740] ? process_timeout+0x40/0x40 [ 301.369856] ? trace_hardirqs_off+0xb8/0x310 [ 301.374257] ? kasan_check_read+0x11/0x20 [ 301.378401] ? do_raw_spin_unlock+0xa7/0x2f0 [ 301.382828] ? trace_hardirqs_on+0x310/0x310 [ 301.387237] ? __run_timers+0x7da/0xc70 [ 301.391205] ? lock_downgrade+0x900/0x900 [ 301.395348] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 301.400475] ? trace_hardirqs_on+0xbd/0x310 [ 301.404828] ? kasan_check_read+0x11/0x20 [ 301.408985] ? __run_timers+0x7da/0xc70 [ 301.412958] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 301.418403] ? kasan_check_write+0x14/0x20 [ 301.422633] ? do_raw_spin_lock+0xc1/0x200 [ 301.426884] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.431120] __run_timers+0x7e5/0xc70 [ 301.434924] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 301.440283] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 301.445293] ? timerqueue_add+0x207/0x2b0 [ 301.449453] ? enqueue_hrtimer+0x1a5/0x560 [ 301.453684] ? lock_release+0x970/0x970 [ 301.457654] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 301.462875] ? kasan_check_write+0x14/0x20 [ 301.467112] ? pvclock_read_flags+0x160/0x160 [ 301.471600] ? lock_downgrade+0x900/0x900 [ 301.475761] ? trace_hardirqs_on+0xbd/0x310 [ 301.480103] ? kvm_sched_clock_read+0x9/0x20 [ 301.484506] ? irq_exit+0x17f/0x1c0 [ 301.488128] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.493660] ? check_preemption_disabled+0x48/0x200 [ 301.498672] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.504206] run_timer_softirq+0x52/0xb0 [ 301.508266] ? __this_cpu_preempt_check+0x1c/0x1f [ 301.513106] __do_softirq+0x30b/0xad8 [ 301.516908] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 301.522015] ? pvclock_read_flags+0x160/0x160 [ 301.526508] ? lapic_next_event+0x5a/0x90 [ 301.530654] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.536196] ? clockevents_program_event+0x140/0x370 [ 301.541300] ? kvm_clock_read+0x18/0x30 [ 301.545270] ? kvm_sched_clock_read+0x9/0x20 [ 301.549672] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.555204] ? check_preemption_disabled+0x48/0x200 [ 301.560219] irq_exit+0x17f/0x1c0 [ 301.563665] smp_apic_timer_interrupt+0x1cb/0x760 [ 301.568506] ? smp_reschedule_interrupt+0x109/0x650 [ 301.573515] ? smp_call_function_single_interrupt+0x650/0x650 [ 301.579394] ? interrupt_entry+0xb5/0xf0 [ 301.583454] ? trace_hardirqs_off_caller+0xbb/0x310 [ 301.588463] ? trace_hardirqs_off_caller+0xbb/0x310 [ 301.593479] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 301.598318] ? trace_hardirqs_on_caller+0x310/0x310 [ 301.603352] ? trace_hardirqs_on_caller+0x310/0x310 [ 301.608361] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.613894] ? check_preemption_disabled+0x48/0x200 [ 301.618926] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 301.623767] apic_timer_interrupt+0xf/0x20 [ 301.628000] [ 301.630235] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 301.636114] Code: 3f 7e 0f 85 32 ff ff ff e8 53 4a 3e ff e9 28 ff ff ff e8 ba ad c2 ff 48 83 3d 0a bf 6f 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 62 23 [ 301.655026] RSP: 0018:ffff88019a29f4a8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 301.662735] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000627e000 [ 301.669994] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 301.677259] RBP: ffff88019a29f520 R08: ffff8801ba14e480 R09: fffffbfff12720c0 [ 301.684537] R10: ffff88019a29e0f0 R11: ffffffff89390603 R12: ffff8801da800ac0 [ 301.691811] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286 [ 301.699102] ? trace_hardirqs_on+0xb4/0x310 [ 301.703419] ? save_stack+0xa9/0xd0 [ 301.707046] __kmalloc_node_track_caller+0x33/0x70 [ 301.711974] __kmalloc_reserve.isra.39+0xcc/0xe0 [ 301.716730] pskb_expand_head+0x230/0x10f0 [ 301.720959] ? lock_downgrade+0x900/0x900 [ 301.725107] ? check_preemption_disabled+0x48/0x200 [ 301.730122] ? memcpy+0x45/0x50 [ 301.733397] ? __copy_skb_header+0x350/0x6b0 [ 301.737842] ? __pskb_copy_fclone+0xeb0/0xeb0 [ 301.742337] ? skb_checksum+0x140/0x140 [ 301.746325] ? trace_hardirqs_on+0xbd/0x310 [ 301.750642] ? skb_clone+0x1bb/0x500 [ 301.754352] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 301.759810] ? kasan_unpoison_shadow+0x35/0x50 [ 301.764443] ? kasan_check_write+0x14/0x20 [ 301.768692] ? __skb_clone+0x6c7/0xa00 [ 301.772578] ? __copy_skb_header+0x6b0/0x6b0 [ 301.776980] ? kmem_cache_alloc+0x306/0x730 [ 301.781332] skb_ensure_writable+0x3dd/0x640 [ 301.785740] ? skb_cow_data+0xf10/0xf10 [ 301.789708] ? check_preemption_disabled+0x48/0x200 [ 301.794719] ? __this_cpu_preempt_check+0x1c/0x1f [ 301.799557] ? __bpf_redirect+0x54b/0xb20 [ 301.803699] ? __switch_to_asm+0x34/0x70 [ 301.807796] bpf_clone_redirect+0x14a/0x490 [ 301.812123] bpf_prog_3d1649e183dc2cc1+0xca3/0x1000 [ 301.817136] ? __sched_text_start+0x8/0x8 [ 301.821297] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 301.826047] ? retint_kernel+0x2d/0x2d [ 301.829953] ? trace_hardirqs_on_caller+0xc0/0x310 [ 301.834876] ? retint_kernel+0x2d/0x2d [ 301.838757] ? trace_hardirqs_on_caller+0xc0/0x310 [ 301.843687] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 301.848436] ? trace_hardirqs_off+0x310/0x310 [ 301.852925] ? retint_kernel+0x1b/0x2d [ 301.856866] ? lock_acquire+0x1ed/0x520 [ 301.860847] ? bpf_test_run+0x3cb/0x780 [ 301.864825] ? lock_downgrade+0x900/0x900 [ 301.868973] ? lock_release+0x970/0x970 [ 301.872948] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 301.878746] ? preempt_schedule_common+0x1f/0xd0 [ 301.883497] ? preempt_schedule+0x4d/0x60 [ 301.887639] ? ___preempt_schedule+0x16/0x18 [ 301.892065] ? bpf_test_run+0x25d/0x780 [ 301.896048] ? netlink_diag_dump+0x2a0/0x2a0 [ 301.900459] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 301.905990] ? bpf_test_init.isra.9+0x70/0x100 [ 301.910574] ? bpf_prog_test_run_skb+0x634/0xb40 [ 301.915346] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 301.920198] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 301.925745] ? fput+0x130/0x1a0 [ 301.929067] ? __bpf_prog_get+0x9b/0x290 [ 301.933150] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 301.937985] ? bpf_prog_test_run+0x130/0x1a0 [ 301.942422] ? __x64_sys_bpf+0x3d8/0x510 [ 301.946491] ? bpf_prog_get+0x20/0x20 [ 301.950297] ? __x64_sys_futex+0x4bc/0x6a0 [ 301.954547] ? do_syscall_64+0x1b9/0x820 [ 301.958616] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 301.963981] ? syscall_return_slowpath+0x5e0/0x5e0 [ 301.968907] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 301.973748] ? trace_hardirqs_on_caller+0x310/0x310 [ 301.978765] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 301.983795] ? prepare_exit_to_usermode+0x291/0x3b0 [ 301.988844] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 301.993686] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 301.999048] warn_alloc_show_mem: 1 callbacks suppressed [ 301.999058] CPU: 1 PID: 5806 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #119 [ 301.999060] Mem-Info: [ 301.999088] active_anon:46475 inactive_anon:4207 isolated_anon:0 [ 301.999088] active_file:17 inactive_file:13 isolated_file:0 [ 301.999088] unevictable:0 dirty:0 writeback:0 unstable:0 [ 301.999088] slab_reclaimable:8782 slab_unreclaimable:1485678 [ 301.999088] mapped:8194 shmem:4214 pagetables:396 bounce:0 [ 301.999088] free:13756 free_pcp:276 free_cma:0 [ 302.004421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 302.011433] Node 0 active_anon:185900kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32776kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 302.013834] Call Trace: [ 302.046779] Node 0 [ 302.056484] [ 302.084247] 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 [ 302.086814] dump_stack+0x1c4/0x2b4 [ 302.089023] lowmem_reserve[]: [ 302.091195] ? dump_stack_print_info.cold.2+0x52/0x52 [ 302.116667] 0 [ 302.120288] warn_alloc.cold.119+0xb7/0x1bd [ 302.123362] 2819 [ 302.128589] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 302.130362] 6323 [ 302.134677] ? lock_downgrade+0x900/0x900 [ 302.136730] 6323 [ 302.141560] ? trace_hardirqs_off+0xb8/0x310 [ 302.147731] ? trace_hardirqs_off+0xb8/0x310 [ 302.149780] Node 0 [ 302.154181] __alloc_pages_slowpath+0x2667/0x2d80 [ 302.158585] DMA32 free:25168kB min:30060kB low:37572kB high:45084kB active_anon:10240kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 302.160838] ? warn_alloc+0x120/0x120 [ 302.165657] lowmem_reserve[]: [ 302.192887] ? trace_hardirqs_on+0x310/0x310 [ 302.196655] 0 [ 302.199751] ? warn_alloc+0x120/0x120 [ 302.204136] 0 [ 302.205929] ? warn_alloc+0x120/0x120 [ 302.209701] 3503 [ 302.211500] ? ktime_get+0x2e1/0x440 [ 302.215276] 3503 [ 302.217338] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.223084] ? check_preemption_disabled+0x48/0x200 [ 302.228611] Node 0 Normal free:13948kB min:37352kB low:46688kB high:56024kB active_anon:175660kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5056kB pagetables:1584kB bounce:0kB free_pcp:856kB local_pcp:320kB free_cma:0kB [ 302.233641] ? kasan_check_read+0x11/0x20 [ 302.233658] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 302.262693] lowmem_reserve[]: [ 302.266850] ? should_fail+0x22d/0xd01 [ 302.272358] 0 [ 302.275458] ? rcu_bh_qs+0xc0/0xc0 [ 302.279317] 0 [ 302.281111] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 302.284621] 0 [ 302.286427] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 302.291502] 0 [ 302.293293] ? should_fail+0x22d/0xd01 [ 302.300604] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 302.304459] Node 0 [ 302.309545] ? should_fail+0x22d/0xd01 [ 302.309547] DMA: 1*4kB [ 302.311794] ? rcu_idle_enter+0x4b0/0x4b0 [ 302.315655] (U) [ 302.318243] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 302.322380] 0*8kB [ 302.324347] ? mark_held_locks+0x130/0x130 [ 302.329417] 0*16kB 1*32kB [ 302.331566] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.335771] (U) [ 302.338612] ? mark_held_locks+0x130/0x130 [ 302.344123] 2*64kB [ 302.346114] ? rcu_irq_exit+0xce/0x100 [ 302.350325] (U) [ 302.352556] ? irq_exit+0xbd/0x1c0 [ 302.356417] 1*128kB [ 302.358385] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 302.361895] (U) [ 302.364212] ? do_raw_spin_unlock+0xa7/0x2f0 [ 302.369200] 1*256kB [ 302.371162] ? smp_call_function_single_interrupt+0x650/0x650 [ 302.375540] (U) [ 302.377871] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.383726] 0*512kB [ 302.385696] ? ret_from_intr+0xb/0x1e [ 302.391206] 1*1024kB [ 302.393521] ? retint_kernel+0x2d/0x2d [ 302.397294] (U) [ 302.399712] ? trace_hardirqs_on_caller+0xc0/0x310 [ 302.403573] 1*2048kB [ 302.405536] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 302.410432] (M) [ 302.412837] ? trace_hardirqs_off+0x310/0x310 [ 302.417564] 3*4096kB [ 302.419529] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 302.423998] (M) [ 302.426406] __alloc_pages_nodemask+0xa80/0xde0 [ 302.431479] = 15908kB [ 302.433478] ? should_fail+0x22d/0xd01 [ 302.438121] Node 0 [ 302.440520] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 302.444380] DMA32: [ 302.446624] ? ____cache_alloc_node+0x1c7/0x1e0 [ 302.451601] 2*4kB [ 302.453826] ? lock_downgrade+0x900/0x900 [ 302.458467] (M) [ 302.460613] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.464736] 1*8kB [ 302.466706] cache_grow_begin+0x91/0x8c0 [ 302.472215] (M) [ 302.474370] ? do_raw_spin_unlock+0xa7/0x2f0 [ 302.478401] 2*16kB [ 302.480368] fallback_alloc+0x203/0x2e0 [ 302.484749] (M) [ 302.486986] ____cache_alloc_node+0x1c7/0x1e0 [ 302.490935] 3*32kB [ 302.492906] kmem_cache_alloc_node+0xe3/0x730 [ 302.497372] (MH) [ 302.499598] ? ipv6_get_ifaddr+0x42e/0x620 [ 302.504082] 5*64kB [ 302.506139] __alloc_skb+0x119/0x770 [ 302.510357] (MH) [ 302.512599] ? skb_scrub_packet+0x490/0x490 [ 302.516290] 3*128kB [ 302.518345] ? lock_downgrade+0x900/0x900 [ 302.522636] (M) [ 302.524950] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.529070] 5*256kB [ 302.531040] ? refcount_sub_and_test_checked+0x203/0x310 [ 302.536547] (UMH) [ 302.538860] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 302.544281] 5*512kB [ 302.546419] ? addrconf_rs_timer+0x690/0x690 [ 302.551857] (UMH) [ 302.554191] ndisc_alloc_skb+0x144/0x340 [ 302.558573] 4*1024kB [ 302.560712] ndisc_send_rs+0x331/0x6e0 [ 302.564744] (UMH) [ 302.567147] addrconf_rs_timer+0x314/0x690 [ 302.571064] 2*2048kB [ 302.573218] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 302.577424] (M) [ 302.579829] call_timer_fn+0x272/0x920 [ 302.584033] 3*4096kB [ 302.585997] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 302.589857] (M) [ 302.592260] ? process_timeout+0x40/0x40 [ 302.596463] = 25168kB [ 302.598426] ? trace_hardirqs_off+0xb8/0x310 [ 302.602457] Node 0 [ 302.604855] ? kasan_check_read+0x11/0x20 [ 302.609239] Normal: [ 302.611478] ? do_raw_spin_unlock+0xa7/0x2f0 [ 302.615599] 1081*4kB [ 302.617910] ? trace_hardirqs_on+0x310/0x310 [ 302.622291] (UMEH) [ 302.624700] ? __run_timers+0x7da/0xc70 [ 302.629079] 387*8kB [ 302.631306] ? lock_downgrade+0x900/0x900 [ 302.635246] (ME) [ 302.637560] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 302.641676] 152*16kB [ 302.643726] ? trace_hardirqs_on+0xbd/0x310 [ 302.648830] (UME) [ 302.651232] ? kasan_check_read+0x11/0x20 [ 302.655543] 54*32kB [ 302.657683] ? __run_timers+0x7da/0xc70 [ 302.661812] (UME) [ 302.664131] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 302.668077] 21*64kB [ 302.670217] ? kasan_check_write+0x14/0x20 [ 302.675636] (UM) [ 302.677966] ? do_raw_spin_lock+0xc1/0x200 [ 302.682176] 0*128kB [ 302.684233] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 302.688447] 0*256kB [ 302.690759] __run_timers+0x7e5/0xc70 [ 302.694983] 2*512kB [ 302.697296] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 302.701065] (U) [ 302.703401] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 302.708766] 0*1024kB [ 302.710740] ? timerqueue_add+0x207/0x2b0 [ 302.715729] 0*2048kB [ 302.718128] ? enqueue_hrtimer+0x1a5/0x560 [ 302.722280] 0*4096kB [ 302.724773] ? lock_release+0x970/0x970 [ 302.728989] = 13948kB [ 302.731388] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 302.735344] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 302.737741] ? check_preemption_disabled+0x48/0x200 [ 302.742910] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 302.751743] ? kasan_check_write+0x14/0x20 [ 302.756730] 4244 total pagecache pages [ 302.765292] ? pvclock_read_flags+0x160/0x160 [ 302.769498] 0 pages in swap cache [ 302.773385] ? lock_downgrade+0x900/0x900 [ 302.777859] Swap cache stats: add 0, delete 0, find 0/0 [ 302.781296] ? trace_hardirqs_on+0xbd/0x310 [ 302.785413] Free swap = 0kB [ 302.790782] ? kvm_sched_clock_read+0x9/0x20 [ 302.795099] Total swap = 0kB [ 302.798113] ? irq_exit+0x17f/0x1c0 [ 302.802492] 1965979 pages RAM [ 302.805513] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.809111] 0 pages HighMem/MovableOnly [ 302.812202] ? check_preemption_disabled+0x48/0x200 [ 302.817711] 342307 pages reserved [ 302.821673] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.826667] 0 pages cma reserved [ 302.830127] run_timer_softirq+0x52/0xb0 [ 302.835716] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 302.839021] ? __this_cpu_preempt_check+0x1c/0x1f [ 302.839033] __do_softirq+0x30b/0xad8 [ 302.839050] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 302.843135] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 302.849574] ? pvclock_read_flags+0x160/0x160 [ 302.854388] syz-executor2 cpuset= [ 302.858176] ? lapic_next_event+0x5a/0x90 [ 302.863253] syz2 [ 302.873729] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.878196] mems_allowed=0 [ 302.881635] ? clockevents_program_event+0x140/0x370 [ 302.901238] ? kvm_clock_read+0x18/0x30 [ 302.905208] ? kvm_sched_clock_read+0x9/0x20 [ 302.909630] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.915191] ? check_preemption_disabled+0x48/0x200 [ 302.920225] irq_exit+0x17f/0x1c0 [ 302.923700] smp_apic_timer_interrupt+0x1cb/0x760 [ 302.928535] ? smp_reschedule_interrupt+0x109/0x650 [ 302.933546] ? smp_call_function_single_interrupt+0x650/0x650 [ 302.939436] ? interrupt_entry+0xb5/0xf0 [ 302.943496] ? trace_hardirqs_off_caller+0xbb/0x310 [ 302.948607] ? trace_hardirqs_off_caller+0xbb/0x310 [ 302.953632] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 302.958470] ? trace_hardirqs_on_caller+0x310/0x310 [ 302.963498] ? trace_hardirqs_on_caller+0x310/0x310 [ 302.968512] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 302.974047] ? check_preemption_disabled+0x48/0x200 [ 302.979101] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 302.984638] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 302.989499] apic_timer_interrupt+0xf/0x20 [ 302.993722] [ 302.995955] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 303.001142] Code: 00 e8 97 f5 a3 f9 e8 d2 63 d3 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d 24 75 80 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d fa 74 [ 303.020052] RSP: 0000:ffff8801bbdd6150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 303.027785] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 303.035070] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe740 [ 303.042348] RBP: ffff8801bbdd6178 R08: ffff8801d838c080 R09: ffffed003b5e5979 [ 303.049625] R10: ffffed003b5e5979 R11: ffff8801daf2cbcb R12: dffffc0000000000 [ 303.056911] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 303.064185] ? trace_hardirqs_on+0x9a/0x310 [ 303.068500] ? trace_hardirqs_on+0xb4/0x310 [ 303.072830] retint_kernel+0x1b/0x2d [ 303.076546] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 303.082339] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 21 17 fa 48 83 3d 99 9c 86 01 00 75 07 e8 9a 7f d3 f9 0f 0b e8 93 7f d3 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 21 17 fa 4c 8b 45 d0 e9 [ 303.101244] RSP: 0000:ffff8801bbdd6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 303.108950] RAX: ffff8801d838c080 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 303.116214] RDX: 0000000000000000 RSI: ffffffff87ab55fd RDI: 0000000000000293 [ 303.123479] RBP: ffff8801bbdd6240 R08: ffff8801d838c080 R09: fffffbfff13d9700 [ 303.130745] R10: fffffbfff13d9700 R11: 0000000000000003 R12: 0000000000000293 [ 303.138011] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff8931f280 [ 303.145283] ? trace_hardirqs_on+0x9a/0x310 [ 303.149605] ? arch_local_irq_restore+0x45/0x52 [ 303.154272] dump_stack+0x26a/0x2b4 [ 303.157912] ? dump_stack_print_info.cold.2+0x52/0x52 [ 303.163102] ? mark_held_locks+0x130/0x130 [ 303.167332] ? mark_held_locks+0x130/0x130 [ 303.171563] dump_header+0x27b/0xf72 [ 303.175292] ? rcu_read_unlock+0x16/0x60 [ 303.179358] ? pagefault_out_of_memory+0x197/0x197 [ 303.184314] ? mark_held_locks+0x130/0x130 [ 303.188544] ? percpu_ref_put_many+0x13e/0x260 [ 303.193122] ? mem_cgroup_charge_statistics+0x780/0x780 [ 303.198531] ? mem_cgroup_iter+0x1f7/0x1160 [ 303.202862] ? mark_held_locks+0x130/0x130 [ 303.207114] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.212646] ? task_will_free_mem+0x239/0xb30 [ 303.217160] ? ___ratelimit+0x36f/0x655 [ 303.221128] ? lock_downgrade+0x900/0x900 [ 303.225274] ? trace_hardirqs_on+0xbd/0x310 [ 303.229611] ? kasan_check_read+0x11/0x20 [ 303.233794] ? ___ratelimit+0x36f/0x655 [ 303.237784] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 303.243240] ? trace_hardirqs_on+0x310/0x310 [ 303.247645] ? lock_downgrade+0x900/0x900 [ 303.251813] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 303.256915] ? ___ratelimit+0xaa/0x655 [ 303.260805] ? idr_get_free+0xec0/0xec0 [ 303.264773] ? kasan_check_write+0x14/0x20 [ 303.269014] ? do_raw_spin_lock+0xc1/0x200 [ 303.273249] oom_kill_process.cold.27+0x10/0x903 [ 303.278019] ? lock_downgrade+0x900/0x900 [ 303.282170] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 303.287963] ? oom_evaluate_task+0x540/0x540 [ 303.292372] ? shrink_node+0x16b0/0x16b0 [ 303.296450] ? oom_unkillable_task+0x383/0x580 [ 303.301025] ? out_of_memory+0x974/0x1430 [ 303.305170] ? lock_downgrade+0x900/0x900 [ 303.309332] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 303.315127] ? __cpuset_node_allowed+0x19b/0x660 [ 303.319884] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.325419] ? oom_evaluate_task+0x302/0x540 [ 303.329843] out_of_memory+0xa84/0x1430 [ 303.333828] ? oom_killer_disable+0x3a0/0x3a0 [ 303.338327] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 303.343253] ? __mutex_add_waiter+0x2a0/0x2a0 [ 303.347746] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 303.352756] ? find_next_bit+0x104/0x130 [ 303.356829] __alloc_pages_slowpath+0x2318/0x2d80 [ 303.361687] ? warn_alloc+0x120/0x120 [ 303.365483] ? __radix_tree_lookup+0x4c0/0x4c0 [ 303.370067] ? find_get_entry+0x2f2/0xc40 [ 303.374218] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 303.379143] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.384677] ? should_fail+0x22d/0xd01 [ 303.388562] ? ___might_sleep+0x1ed/0x300 [ 303.392704] ? lock_release+0x970/0x970 [ 303.396677] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 303.401771] ? debug_smp_processor_id+0x1c/0x20 [ 303.406447] ? __might_sleep+0x95/0x190 [ 303.410425] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 303.415268] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 303.420288] ? lock_downgrade+0x900/0x900 [ 303.424441] ? ___might_sleep+0x1ed/0x300 [ 303.428586] ? lock_release+0x970/0x970 [ 303.432560] ? arch_local_save_flags+0x40/0x40 [ 303.437138] ? finish_task_switch+0x1f5/0x900 [ 303.441638] ? __might_sleep+0x95/0x190 [ 303.445611] __alloc_pages_nodemask+0xa80/0xde0 [ 303.450281] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 303.455307] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 303.461098] ? kasan_check_write+0x14/0x20 [ 303.465333] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 303.470003] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.475537] ? __do_page_cache_readahead+0x7ce/0x980 [ 303.480644] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 303.486180] alloc_pages_current+0x10c/0x210 [ 303.490581] ? lock_downgrade+0x900/0x900 [ 303.494726] __page_cache_alloc+0x38f/0x5b0 [ 303.499044] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 303.504844] ? ext4_filemap_fault+0x82/0xad [ 303.509167] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 303.513836] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.519371] ? check_preemption_disabled+0x48/0x200 [ 303.524402] filemap_fault+0x1594/0x25f0 [ 303.528465] ? __lock_page_or_retry+0xa00/0xa00 [ 303.533128] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 303.538935] ? unwind_dump+0x190/0x190 [ 303.542839] ? is_bpf_text_address+0xd3/0x170 [ 303.547352] ? filemap_map_pages+0xdea/0x1980 [ 303.551883] ? find_get_pages_range_tag+0x1320/0x1320 [ 303.557067] ? save_stack+0xa9/0xd0 [ 303.560691] ? save_stack+0x43/0xd0 [ 303.564316] ? __kasan_slab_free+0x102/0x150 [ 303.568750] ? __sigqueue_free.part.27+0x7d/0xa0 [ 303.573499] ? __dequeue_signal+0x530/0x7d0 [ 303.577831] ? dequeue_signal+0x26c/0x630 [ 303.581977] ? get_signal+0x3ec/0x1980 [ 303.585878] ? do_signal+0x9c/0x21e0 [ 303.589595] ? exit_to_usermode_loop+0x2e5/0x380 [ 303.594347] ? mark_held_locks+0x130/0x130 [ 303.598573] ? trace_hardirqs_on+0x310/0x310 [ 303.602979] ? lock_acquire+0x1ed/0x520 [ 303.606945] ? ext4_filemap_fault+0x7a/0xad [ 303.611265] ? lock_release+0x970/0x970 [ 303.615235] ? arch_local_save_flags+0x40/0x40 [ 303.619818] ? mark_held_locks+0x130/0x130 [ 303.624056] ? trace_hardirqs_off+0xb8/0x310 [ 303.628479] ? down_read+0xb0/0x1d0 [ 303.632097] ? ext4_filemap_fault+0x7a/0xad [ 303.636418] ? __down_interruptible+0x700/0x700 [ 303.641082] ? kmem_cache_free+0x21a/0x290 [ 303.645319] ? __sigqueue_free.part.27+0x7d/0xa0 [ 303.650072] ? __dequeue_signal+0xf9/0x7d0 [ 303.654323] ext4_filemap_fault+0x82/0xad [ 303.658467] __do_fault+0x100/0x6b0 [ 303.662091] ? print_bad_pte+0x6c0/0x6c0 [ 303.666149] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.671680] ? pmd_val+0x88/0x100 [ 303.675133] ? add_mm_counter_fast+0xd0/0xd0 [ 303.679535] ? pmd_val+0x88/0x100 [ 303.682989] ? add_mm_counter_fast+0xd0/0xd0 [ 303.687393] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.692930] __handle_mm_fault+0x3709/0x53e0 [ 303.697340] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 303.702178] ? kasan_check_write+0x14/0x20 [ 303.706420] ? do_raw_spin_lock+0xc1/0x200 [ 303.710652] ? _raw_spin_unlock_irq+0x60/0x80 [ 303.715148] ? __set_current_blocked+0xe4/0x120 [ 303.719841] ? lock_acquire+0x1ed/0x520 [ 303.723850] ? handle_mm_fault+0x42a/0xc70 [ 303.728081] ? lock_downgrade+0x900/0x900 [ 303.732234] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 303.738048] ? __do_page_fault+0x67d/0xed0 [ 303.742278] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 303.747731] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.753261] ? check_preemption_disabled+0x48/0x200 [ 303.758279] handle_mm_fault+0x54f/0xc70 [ 303.762346] ? __handle_mm_fault+0x53e0/0x53e0 [ 303.766924] ? find_vma+0x34/0x190 [ 303.770479] __do_page_fault+0x67d/0xed0 [ 303.774542] ? mm_fault_error+0x380/0x380 [ 303.778692] ? syscall_slow_exit_work+0x520/0x520 [ 303.783534] do_page_fault+0xf2/0x7e0 [ 303.787334] ? vmalloc_sync_all+0x30/0x30 [ 303.791481] ? error_entry+0x70/0xd0 [ 303.795194] ? trace_hardirqs_off_caller+0xbb/0x310 [ 303.800207] ? trace_hardirqs_on_caller+0xc0/0x310 [ 303.805135] ? syscall_return_slowpath+0x5e0/0x5e0 [ 303.810060] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 303.814916] ? trace_hardirqs_on_caller+0x310/0x310 [ 303.819927] ? trace_hardirqs_off+0x310/0x310 [ 303.824431] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 303.829444] ? prepare_exit_to_usermode+0x291/0x3b0 [ 303.834461] ? page_fault+0x8/0x30 [ 303.838017] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 303.842867] ? page_fault+0x8/0x30 [ 303.846403] page_fault+0x1e/0x30 [ 303.849868] RIP: 0033:0x45db60 [ 303.853060] Code: Bad RIP value. [ 303.856418] RSP: 002b:000000c420049ab8 EFLAGS: 00010286 [ 303.861772] RAX: 0000000000000000 RBX: 000000c420026380 RCX: 000000000045ddf3 [ 303.869059] RDX: 000000c420049ac0 RSI: 000000c420049bf0 RDI: 0000000000000011 [ 303.876332] RBP: 000000c420022f08 R08: 0000000000000000 R09: 0000000000000000 [ 303.883591] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42005c168 [ 303.890853] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000 [ 303.898130] CPU: 0 PID: 7800 Comm: syz-executor2 Not tainted 4.19.0-rc6+ #119 [ 303.898177] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 303.905429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 303.911963] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 303.921238] Call Trace: [ 303.931444] syz-fuzzer cpuset= [ 303.934022] [ 303.934024] / mems_allowed=0 [ 303.937227] dump_stack+0x1c4/0x2b4 [ 303.945966] ? dump_stack_print_info.cold.2+0x52/0x52 [ 303.951161] warn_alloc.cold.119+0xb7/0x1bd [ 303.955481] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 303.960329] ? lock_downgrade+0x900/0x900 [ 303.964495] ? trace_hardirqs_off+0xb8/0x310 [ 303.968924] ? trace_hardirqs_off+0xb8/0x310 [ 303.973335] __alloc_pages_slowpath+0x2667/0x2d80 [ 303.978537] ? warn_alloc+0x120/0x120 [ 303.982342] ? warn_alloc+0x120/0x120 [ 303.986155] ? warn_alloc+0x120/0x120 [ 303.989956] ? mark_held_locks+0x130/0x130 [ 303.994191] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.999752] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 304.005289] ? should_fail+0x22d/0xd01 [ 304.009176] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 304.014279] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 304.019852] ? should_fail+0x22d/0xd01 [ 304.023739] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 304.028837] ? should_fail+0x22d/0xd01 [ 304.032725] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 304.037831] ? mark_held_locks+0x130/0x130 [ 304.042063] ? mark_held_locks+0x130/0x130 [ 304.046299] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.051845] ? trace_hardirqs_off+0xb8/0x310 [ 304.056264] ? kasan_check_read+0x11/0x20 [ 304.060409] ? do_raw_spin_unlock+0xa7/0x2f0 [ 304.064819] ? trace_hardirqs_on+0x310/0x310 [ 304.069226] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.074771] ? wq_watchdog_touch+0x9c/0xfe [ 304.079013] ? io_serial_in+0x11/0x90 [ 304.082819] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.088359] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 304.093462] __alloc_pages_nodemask+0xa80/0xde0 [ 304.098129] ? should_fail+0x22d/0xd01 [ 304.102038] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 304.107066] ? ____cache_alloc_node+0x1c7/0x1e0 [ 304.111732] ? lock_downgrade+0x900/0x900 [ 304.115884] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.121421] cache_grow_begin+0x91/0x8c0 [ 304.125482] ? do_raw_spin_unlock+0xa7/0x2f0 [ 304.129890] fallback_alloc+0x203/0x2e0 [ 304.133864] ____cache_alloc_node+0x1c7/0x1e0 [ 304.138378] kmem_cache_alloc_node+0xe3/0x730 [ 304.142871] ? ipv6_get_ifaddr+0x42e/0x620 [ 304.147141] __alloc_skb+0x119/0x770 [ 304.150867] ? skb_scrub_packet+0x490/0x490 [ 304.155185] ? lock_downgrade+0x900/0x900 [ 304.159333] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.164869] ? refcount_sub_and_test_checked+0x203/0x310 [ 304.170321] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 304.175764] ? addrconf_rs_timer+0x690/0x690 [ 304.180185] ndisc_alloc_skb+0x144/0x340 [ 304.184246] ndisc_send_rs+0x331/0x6e0 [ 304.188132] addrconf_rs_timer+0x314/0x690 [ 304.192363] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.196602] call_timer_fn+0x272/0x920 [ 304.200484] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.204714] ? process_timeout+0x40/0x40 [ 304.208796] ? trace_hardirqs_off+0xb8/0x310 [ 304.213220] ? kasan_check_read+0x11/0x20 [ 304.217378] ? do_raw_spin_unlock+0xa7/0x2f0 [ 304.221781] ? trace_hardirqs_on+0x310/0x310 [ 304.226230] ? __run_timers+0x7da/0xc70 [ 304.230204] ? lock_downgrade+0x900/0x900 [ 304.234350] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 304.239447] ? trace_hardirqs_on+0xbd/0x310 [ 304.243763] ? kasan_check_read+0x11/0x20 [ 304.247949] ? __run_timers+0x7da/0xc70 [ 304.251948] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 304.257407] ? kasan_check_write+0x14/0x20 [ 304.261641] ? do_raw_spin_lock+0xc1/0x200 [ 304.265877] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.270941] __run_timers+0x7e5/0xc70 [ 304.274748] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 304.280113] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 304.285125] ? timerqueue_add+0x207/0x2b0 [ 304.289270] ? enqueue_hrtimer+0x1a5/0x560 [ 304.293509] ? lock_release+0x970/0x970 [ 304.297479] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 304.302711] ? kasan_check_write+0x14/0x20 [ 304.306979] ? pvclock_read_flags+0x160/0x160 [ 304.311468] ? lock_downgrade+0x900/0x900 [ 304.315619] ? trace_hardirqs_on+0xbd/0x310 [ 304.319935] ? kvm_sched_clock_read+0x9/0x20 [ 304.324342] ? irq_exit+0x17f/0x1c0 [ 304.327969] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.333504] ? check_preemption_disabled+0x48/0x200 [ 304.338512] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.344094] run_timer_softirq+0x52/0xb0 [ 304.348152] ? __this_cpu_preempt_check+0x1c/0x1f [ 304.352992] __do_softirq+0x30b/0xad8 [ 304.356811] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 304.361918] ? pvclock_read_flags+0x160/0x160 [ 304.366410] ? lapic_next_event+0x5a/0x90 [ 304.370574] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.376105] ? clockevents_program_event+0x140/0x370 [ 304.381210] ? kvm_clock_read+0x18/0x30 [ 304.385181] ? kvm_sched_clock_read+0x9/0x20 [ 304.389583] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.395120] ? check_preemption_disabled+0x48/0x200 [ 304.400154] irq_exit+0x17f/0x1c0 [ 304.403601] smp_apic_timer_interrupt+0x1cb/0x760 [ 304.408437] ? smp_reschedule_interrupt+0x109/0x650 [ 304.413471] ? smp_call_function_single_interrupt+0x650/0x650 [ 304.419355] ? interrupt_entry+0xb5/0xf0 [ 304.423442] ? trace_hardirqs_off_caller+0xbb/0x310 [ 304.428454] ? trace_hardirqs_off_caller+0xbb/0x310 [ 304.433466] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 304.438309] ? trace_hardirqs_on_caller+0x310/0x310 [ 304.443319] ? trace_hardirqs_on_caller+0x310/0x310 [ 304.448328] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.453859] ? check_preemption_disabled+0x48/0x200 [ 304.458878] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 304.463738] apic_timer_interrupt+0xf/0x20 [ 304.467976] [ 304.470223] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 304.476102] Code: 3f 7e 0f 85 32 ff ff ff e8 53 4a 3e ff e9 28 ff ff ff e8 ba ad c2 ff 48 83 3d 0a bf 6f 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 62 23 [ 304.494993] RSP: 0018:ffff88019a29f4a8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 304.502698] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000627e000 [ 304.509959] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 304.517234] RBP: ffff88019a29f520 R08: ffff8801ba14e480 R09: fffffbfff12720c0 [ 304.524496] R10: ffff88019a29e0f0 R11: ffffffff89390603 R12: ffff8801da800ac0 [ 304.531773] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286 [ 304.539056] ? trace_hardirqs_on+0xb4/0x310 [ 304.543388] ? save_stack+0xa9/0xd0 [ 304.547015] __kmalloc_node_track_caller+0x33/0x70 [ 304.551945] __kmalloc_reserve.isra.39+0xcc/0xe0 [ 304.556697] pskb_expand_head+0x230/0x10f0 [ 304.560925] ? lock_downgrade+0x900/0x900 [ 304.565070] ? check_preemption_disabled+0x48/0x200 [ 304.570090] ? memcpy+0x45/0x50 [ 304.573366] ? __copy_skb_header+0x350/0x6b0 [ 304.577767] ? __pskb_copy_fclone+0xeb0/0xeb0 [ 304.582273] ? skb_checksum+0x140/0x140 [ 304.586244] ? trace_hardirqs_on+0xbd/0x310 [ 304.590561] ? skb_clone+0x1bb/0x500 [ 304.594298] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 304.599740] ? kasan_unpoison_shadow+0x35/0x50 [ 304.604313] ? kasan_check_write+0x14/0x20 [ 304.608539] ? __skb_clone+0x6c7/0xa00 [ 304.612421] ? __copy_skb_header+0x6b0/0x6b0 [ 304.616828] ? kmem_cache_alloc+0x306/0x730 [ 304.621165] skb_ensure_writable+0x3dd/0x640 [ 304.625574] ? skb_cow_data+0xf10/0xf10 [ 304.629548] ? check_preemption_disabled+0x48/0x200 [ 304.634557] ? __this_cpu_preempt_check+0x1c/0x1f [ 304.639410] ? __bpf_redirect+0x54b/0xb20 [ 304.643556] ? __switch_to_asm+0x34/0x70 [ 304.647613] bpf_clone_redirect+0x14a/0x490 [ 304.651935] bpf_prog_3d1649e183dc2cc1+0xca3/0x1000 [ 304.656964] ? __sched_text_start+0x8/0x8 [ 304.661110] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 304.665862] ? retint_kernel+0x2d/0x2d [ 304.669761] ? trace_hardirqs_on_caller+0xc0/0x310 [ 304.674698] ? retint_kernel+0x2d/0x2d [ 304.678577] ? trace_hardirqs_on_caller+0xc0/0x310 [ 304.683517] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 304.688277] ? trace_hardirqs_off+0x310/0x310 [ 304.692768] ? retint_kernel+0x1b/0x2d [ 304.696666] ? lock_acquire+0x1ed/0x520 [ 304.700632] ? bpf_test_run+0x3cb/0x780 [ 304.704597] ? lock_downgrade+0x900/0x900 [ 304.708742] ? lock_release+0x970/0x970 [ 304.712731] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 304.718541] ? preempt_schedule_common+0x1f/0xd0 [ 304.723296] ? preempt_schedule+0x4d/0x60 [ 304.727444] ? ___preempt_schedule+0x16/0x18 [ 304.731855] ? bpf_test_run+0x25d/0x780 [ 304.735834] ? netlink_diag_dump+0x2a0/0x2a0 [ 304.740246] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 304.745778] ? bpf_test_init.isra.9+0x70/0x100 [ 304.750371] ? bpf_prog_test_run_skb+0x634/0xb40 [ 304.755126] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 304.759987] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 304.765517] ? fput+0x130/0x1a0 [ 304.768804] ? __bpf_prog_get+0x9b/0x290 [ 304.772864] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 304.777719] ? bpf_prog_test_run+0x130/0x1a0 [ 304.782124] ? __x64_sys_bpf+0x3d8/0x510 [ 304.786178] ? bpf_prog_get+0x20/0x20 [ 304.789980] ? __x64_sys_futex+0x4bc/0x6a0 [ 304.794217] ? do_syscall_64+0x1b9/0x820 [ 304.798281] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 304.803641] ? syscall_return_slowpath+0x5e0/0x5e0 [ 304.808566] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 304.813407] ? trace_hardirqs_on_caller+0x310/0x310 [ 304.818420] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 304.823433] ? prepare_exit_to_usermode+0x291/0x3b0 [ 304.828456] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 304.833302] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 304.838671] warn_alloc_show_mem: 1 callbacks suppressed [ 304.838682] CPU: 1 PID: 5806 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #119 [ 304.838684] Mem-Info: [ 304.838712] active_anon:46475 inactive_anon:4207 isolated_anon:0 [ 304.838712] active_file:17 inactive_file:13 isolated_file:0 [ 304.838712] unevictable:0 dirty:0 writeback:0 unstable:0 [ 304.838712] slab_reclaimable:8782 slab_unreclaimable:1485678 [ 304.838712] mapped:8194 shmem:4214 pagetables:396 bounce:0 [ 304.838712] free:13756 free_pcp:276 free_cma:0 [ 304.844048] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 304.851057] Node 0 active_anon:185900kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32776kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 304.853453] Call Trace: [ 304.886400] Node 0 [ 304.895740] [ 304.923503] 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 [ 304.926056] dump_stack+0x1c4/0x2b4 [ 304.928265] lowmem_reserve[]: [ 304.930402] ? dump_stack_print_info.cold.2+0x52/0x52 [ 304.956343] 0 [ 304.960008] warn_alloc.cold.119+0xb7/0x1bd [ 304.963084] 2819 [ 304.968265] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 304.970045] 6323 [ 304.974359] ? lock_downgrade+0x900/0x900 [ 304.976396] 6323 [ 304.981234] ? trace_hardirqs_off+0xb8/0x310 [ 304.987410] ? trace_hardirqs_off+0xb8/0x310 [ 304.989447] Node 0 [ 304.993868] __alloc_pages_slowpath+0x2667/0x2d80 [ 304.998268] DMA32 free:25168kB min:30060kB low:37572kB high:45084kB active_anon:10240kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 305.000484] ? warn_alloc+0x120/0x120 [ 305.005289] lowmem_reserve[]: [ 305.032522] ? trace_hardirqs_on+0x310/0x310 [ 305.036292] 0 [ 305.039388] ? warn_alloc+0x120/0x120 [ 305.043780] 0 [ 305.045580] ? warn_alloc+0x120/0x120 [ 305.049352] 3503 [ 305.051145] ? ktime_get+0x2e1/0x440 [ 305.054933] 3503 [ 305.056990] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.062725] ? check_preemption_disabled+0x48/0x200 [ 305.068235] Node 0 Normal free:13948kB min:37352kB low:46688kB high:56024kB active_anon:175660kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5056kB pagetables:1584kB bounce:0kB free_pcp:856kB local_pcp:320kB free_cma:0kB [ 305.073333] ? kasan_check_read+0x11/0x20 [ 305.102471] lowmem_reserve[]: 0 [ 305.106622] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 305.106625] 0 0 [ 305.109901] ? should_fail+0x22d/0xd01 [ 305.115407] 0 [ 305.117377] ? rcu_bh_qs+0xc0/0xc0 [ 305.123030] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 305.126541] Node 0 [ 305.131626] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 305.131634] DMA: [ 305.133864] ? should_fail+0x22d/0xd01 [ 305.139376] 1*4kB [ 305.141430] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 305.145286] (U) [ 305.147427] ? should_fail+0x22d/0xd01 [ 305.152505] 0*8kB [ 305.154472] ? rcu_idle_enter+0x4b0/0x4b0 [ 305.158341] 0*16kB [ 305.160487] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 305.164608] 1*32kB [ 305.166838] ? mark_held_locks+0x130/0x130 [ 305.171916] (U) [ 305.174143] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.178348] 2*64kB [ 305.180315] ? mark_held_locks+0x130/0x130 [ 305.185824] (U) [ 305.188052] ? rcu_irq_exit+0xce/0x100 [ 305.192259] 1*128kB [ 305.194229] ? irq_exit+0xbd/0x1c0 [ 305.198085] (U) [ 305.200400] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 305.203911] 1*256kB [ 305.205877] ? do_raw_spin_unlock+0xa7/0x2f0 [ 305.210882] (U) [ 305.213199] ? smp_call_function_single_interrupt+0x650/0x650 [ 305.217579] 0*512kB [ 305.219548] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.225405] 1*1024kB [ 305.227721] ? ret_from_intr+0xb/0x1e [ 305.233225] (U) [ 305.235623] ? retint_kernel+0x2d/0x2d [ 305.239406] 1*2048kB [ 305.241376] ? trace_hardirqs_on_caller+0xc0/0x310 [ 305.245235] (M) [ 305.247636] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 305.252535] 3*4096kB [ 305.254497] ? trace_hardirqs_off+0x310/0x310 [ 305.259236] (M) [ 305.261637] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 305.266104] = 15908kB [ 305.268075] __alloc_pages_nodemask+0xa80/0xde0 [ 305.273167] Node 0 [ 305.275571] ? should_fail+0x22d/0xd01 [ 305.280209] DMA32: [ 305.282435] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 305.286292] 2*4kB [ 305.288534] ? ____cache_alloc_node+0x1c7/0x1e0 [ 305.293515] (M) [ 305.295657] ? lock_downgrade+0x900/0x900 [ 305.300302] 1*8kB [ 305.302272] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.306404] (M) [ 305.308545] cache_grow_begin+0x91/0x8c0 [ 305.314054] 2*16kB [ 305.316024] ? do_raw_spin_unlock+0xa7/0x2f0 [ 305.320057] (M) [ 305.322354] fallback_alloc+0x203/0x2e0 [ 305.326731] 3*32kB [ 305.328694] ____cache_alloc_node+0x1c7/0x1e0 [ 305.332642] (MH) [ 305.334870] kmem_cache_alloc_node+0xe3/0x730 [ 305.339335] 5*64kB [ 305.341405] ? ipv6_get_ifaddr+0x42e/0x620 [ 305.345870] (MH) [ 305.348114] __alloc_skb+0x119/0x770 [ 305.352323] 3*128kB [ 305.354388] ? skb_scrub_packet+0x490/0x490 [ 305.358107] (M) [ 305.360434] ? lock_downgrade+0x900/0x900 [ 305.364729] 5*256kB [ 305.366694] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.370816] (UMH) [ 305.373135] ? refcount_sub_and_test_checked+0x203/0x310 [ 305.378639] 5*512kB [ 305.380782] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 305.386217] (UMH) [ 305.388530] ? addrconf_rs_timer+0x690/0x690 [ 305.393954] 4*1024kB [ 305.396098] ndisc_alloc_skb+0x144/0x340 [ 305.400482] (UMH) [ 305.402885] ndisc_send_rs+0x331/0x6e0 [ 305.406919] 2*2048kB [ 305.409060] addrconf_rs_timer+0x314/0x690 [ 305.412918] (M) [ 305.415327] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 305.419539] 3*4096kB [ 305.421510] call_timer_fn+0x272/0x920 [ 305.425726] (M) [ 305.428139] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 305.432002] = 25168kB [ 305.433972] ? process_timeout+0x40/0x40 [ 305.438177] Node 0 [ 305.440577] ? trace_hardirqs_off+0xb8/0x310 [ 305.444669] Normal: [ 305.446897] ? kasan_check_read+0x11/0x20 [ 305.451279] 1081*4kB [ 305.453597] ? do_raw_spin_unlock+0xa7/0x2f0 [ 305.457718] (UMEH) [ 305.460123] ? trace_hardirqs_on+0x310/0x310 [ 305.464521] 387*8kB [ 305.466772] ? __run_timers+0x7da/0xc70 [ 305.471154] (ME) [ 305.473471] ? lock_downgrade+0x900/0x900 [ 305.477420] 152*16kB [ 305.479478] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 305.483595] (UME) [ 305.485994] ? trace_hardirqs_on+0xbd/0x310 [ 305.491070] 54*32kB [ 305.493210] ? kasan_check_read+0x11/0x20 [ 305.497504] (UME) [ 305.499824] ? __run_timers+0x7da/0xc70 [ 305.503976] 21*64kB [ 305.506117] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 305.510061] (UM) [ 305.512373] ? kasan_check_write+0x14/0x20 [ 305.517876] 0*128kB [ 305.519945] ? do_raw_spin_lock+0xc1/0x200 [ 305.524154] 0*256kB [ 305.526464] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 305.530773] 2*512kB [ 305.533095] __run_timers+0x7e5/0xc70 [ 305.537300] (U) [ 305.539622] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 305.543394] 0*1024kB [ 305.545364] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 305.550698] 0*2048kB [ 305.553117] ? timerqueue_add+0x207/0x2b0 [ 305.558109] 0*4096kB [ 305.560512] ? enqueue_hrtimer+0x1a5/0x560 [ 305.564634] = 13948kB [ 305.567034] ? lock_release+0x970/0x970 [ 305.571249] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 305.573659] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 305.577611] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 305.586433] ? check_preemption_disabled+0x48/0x200 [ 305.591609] 4244 total pagecache pages [ 305.600177] ? kasan_check_write+0x14/0x20 [ 305.605168] 0 pages in swap cache [ 305.609049] ? pvclock_read_flags+0x160/0x160 [ 305.613256] Swap cache stats: add 0, delete 0, find 0/0 [ 305.616707] ? lock_downgrade+0x900/0x900 [ 305.621174] Free swap = 0kB [ 305.626530] ? trace_hardirqs_on+0xbd/0x310 [ 305.630653] Total swap = 0kB [ 305.633662] ? kvm_sched_clock_read+0x9/0x20 [ 305.637957] 1965979 pages RAM [ 305.640969] ? irq_exit+0x17f/0x1c0 [ 305.645346] 0 pages HighMem/MovableOnly [ 305.648443] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.652045] 342307 pages reserved [ 305.656012] ? check_preemption_disabled+0x48/0x200 [ 305.661525] 0 pages cma reserved [ 305.664971] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.670012] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 305.673341] run_timer_softirq+0x52/0xb0 [ 305.678960] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 305.685374] ? __this_cpu_preempt_check+0x1c/0x1f [ 305.689428] syz-executor2 cpuset= [ 305.699920] __do_softirq+0x30b/0xad8 [ 305.704731] syz2 [ 305.708171] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 305.711945] mems_allowed=0 [ 305.713913] ? pvclock_read_flags+0x160/0x160 [ 305.726409] ? lapic_next_event+0x5a/0x90 [ 305.730552] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.736080] ? clockevents_program_event+0x140/0x370 [ 305.741196] ? kvm_clock_read+0x18/0x30 [ 305.745177] ? kvm_sched_clock_read+0x9/0x20 [ 305.749579] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.755115] ? check_preemption_disabled+0x48/0x200 [ 305.760133] irq_exit+0x17f/0x1c0 [ 305.763584] smp_apic_timer_interrupt+0x1cb/0x760 [ 305.768425] ? smp_reschedule_interrupt+0x109/0x650 [ 305.773442] ? smp_call_function_single_interrupt+0x650/0x650 [ 305.779328] ? interrupt_entry+0xb5/0xf0 [ 305.783388] ? trace_hardirqs_off_caller+0xbb/0x310 [ 305.788403] ? trace_hardirqs_off_caller+0xbb/0x310 [ 305.793420] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 305.798254] ? trace_hardirqs_on_caller+0x310/0x310 [ 305.803261] ? trace_hardirqs_on_caller+0x310/0x310 [ 305.808271] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 305.813810] ? check_preemption_disabled+0x48/0x200 [ 305.818828] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 305.824366] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 305.829210] apic_timer_interrupt+0xf/0x20 [ 305.833430] [ 305.835677] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 305.840865] Code: 00 e8 97 f5 a3 f9 e8 d2 63 d3 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d 24 75 80 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d fa 74 [ 305.859760] RSP: 0000:ffff8801bbdd6150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 305.867474] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 305.874737] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe740 [ 305.882004] RBP: ffff8801bbdd6178 R08: ffff8801d838c080 R09: ffffed003b5e5979 [ 305.889262] R10: ffffed003b5e5979 R11: ffff8801daf2cbcb R12: dffffc0000000000 [ 305.896528] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 305.903812] ? trace_hardirqs_on+0x9a/0x310 [ 305.908170] ? trace_hardirqs_on+0xb4/0x310 [ 305.912511] retint_kernel+0x1b/0x2d [ 305.916223] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 305.921493] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 21 17 fa 48 83 3d 99 9c 86 01 00 75 07 e8 9a 7f d3 f9 0f 0b e8 93 7f d3 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 21 17 fa 4c 8b 45 d0 e9 [ 305.940385] RSP: 0000:ffff8801bbdd6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 305.948092] RAX: ffff8801d838c080 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 305.955355] RDX: 0000000000000000 RSI: ffffffff87ab55fd RDI: 0000000000000293 [ 305.962620] RBP: ffff8801bbdd6240 R08: ffff8801d838c080 R09: fffffbfff13d9700 [ 305.969883] R10: fffffbfff13d9700 R11: 0000000000000003 R12: 0000000000000293 [ 305.977147] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff8931f280 [ 305.984426] ? trace_hardirqs_on+0x9a/0x310 [ 305.988746] ? arch_local_irq_restore+0x45/0x52 [ 305.993415] dump_stack+0x26a/0x2b4 [ 305.997045] ? dump_stack_print_info.cold.2+0x52/0x52 [ 306.002249] ? mark_held_locks+0x130/0x130 [ 306.006475] ? mark_held_locks+0x130/0x130 [ 306.010713] dump_header+0x27b/0xf72 [ 306.014424] ? rcu_read_unlock+0x16/0x60 [ 306.018489] ? pagefault_out_of_memory+0x197/0x197 [ 306.023420] ? mark_held_locks+0x130/0x130 [ 306.027655] ? percpu_ref_put_many+0x13e/0x260 [ 306.032237] ? mem_cgroup_charge_statistics+0x780/0x780 [ 306.037607] ? mem_cgroup_iter+0x1f7/0x1160 [ 306.041930] ? mark_held_locks+0x130/0x130 [ 306.046164] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.052032] ? task_will_free_mem+0x239/0xb30 [ 306.056533] ? ___ratelimit+0x36f/0x655 [ 306.060506] ? lock_downgrade+0x900/0x900 [ 306.064652] ? trace_hardirqs_on+0xbd/0x310 [ 306.068966] ? kasan_check_read+0x11/0x20 [ 306.073108] ? ___ratelimit+0x36f/0x655 [ 306.077083] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 306.082528] ? trace_hardirqs_on+0x310/0x310 [ 306.086937] ? lock_downgrade+0x900/0x900 [ 306.091090] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 306.096189] ? ___ratelimit+0xaa/0x655 [ 306.100072] ? idr_get_free+0xec0/0xec0 [ 306.104040] ? kasan_check_write+0x14/0x20 [ 306.108286] ? do_raw_spin_lock+0xc1/0x200 [ 306.112528] oom_kill_process.cold.27+0x10/0x903 [ 306.117284] ? lock_downgrade+0x900/0x900 [ 306.121486] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 306.127285] ? oom_evaluate_task+0x540/0x540 [ 306.131697] ? shrink_node+0x16b0/0x16b0 [ 306.135757] ? oom_unkillable_task+0x383/0x580 [ 306.140340] ? out_of_memory+0x974/0x1430 [ 306.144484] ? lock_downgrade+0x900/0x900 [ 306.148630] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 306.154422] ? __cpuset_node_allowed+0x19b/0x660 [ 306.159181] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 306.164712] ? oom_evaluate_task+0x302/0x540 [ 306.169118] out_of_memory+0xa84/0x1430 [ 306.173098] ? oom_killer_disable+0x3a0/0x3a0 [ 306.177594] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 306.182520] ? __mutex_add_waiter+0x2a0/0x2a0 [ 306.187027] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 306.192066] ? find_next_bit+0x104/0x130 [ 306.196124] __alloc_pages_slowpath+0x2318/0x2d80 [ 306.200982] ? warn_alloc+0x120/0x120 [ 306.204787] ? __radix_tree_lookup+0x4c0/0x4c0 [ 306.209403] ? find_get_entry+0x2f2/0xc40 [ 306.213555] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 306.218484] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 306.224025] ? should_fail+0x22d/0xd01 [ 306.227913] ? ___might_sleep+0x1ed/0x300 [ 306.232059] ? lock_release+0x970/0x970 [ 306.236029] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 306.241124] ? debug_smp_processor_id+0x1c/0x20 [ 306.245811] ? __might_sleep+0x95/0x190 [ 306.249811] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 306.254658] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 306.259673] ? lock_downgrade+0x900/0x900 [ 306.263825] ? ___might_sleep+0x1ed/0x300 [ 306.267967] ? lock_release+0x970/0x970 [ 306.271942] ? arch_local_save_flags+0x40/0x40 [ 306.276521] ? finish_task_switch+0x1f5/0x900 [ 306.281021] ? __might_sleep+0x95/0x190 [ 306.284994] __alloc_pages_nodemask+0xa80/0xde0 [ 306.289662] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 306.294676] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 306.300467] ? kasan_check_write+0x14/0x20 [ 306.304717] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 306.309390] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.314928] ? __do_page_cache_readahead+0x7ce/0x980 [ 306.320049] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 306.325587] alloc_pages_current+0x10c/0x210 [ 306.329988] ? lock_downgrade+0x900/0x900 [ 306.334132] __page_cache_alloc+0x38f/0x5b0 [ 306.338451] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 306.344250] ? ext4_filemap_fault+0x82/0xad [ 306.348573] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 306.353237] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 306.358769] ? check_preemption_disabled+0x48/0x200 [ 306.363788] filemap_fault+0x1594/0x25f0 [ 306.367877] ? __lock_page_or_retry+0xa00/0xa00 [ 306.372542] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 306.378340] ? unwind_dump+0x190/0x190 [ 306.382231] ? is_bpf_text_address+0xd3/0x170 [ 306.386741] ? filemap_map_pages+0xdea/0x1980 [ 306.391243] ? find_get_pages_range_tag+0x1320/0x1320 [ 306.396423] ? save_stack+0xa9/0xd0 [ 306.400043] ? save_stack+0x43/0xd0 [ 306.403662] ? __kasan_slab_free+0x102/0x150 [ 306.408067] ? __sigqueue_free.part.27+0x7d/0xa0 [ 306.412821] ? __dequeue_signal+0x530/0x7d0 [ 306.417139] ? dequeue_signal+0x26c/0x630 [ 306.421285] ? get_signal+0x3ec/0x1980 [ 306.425168] ? do_signal+0x9c/0x21e0 [ 306.428876] ? exit_to_usermode_loop+0x2e5/0x380 [ 306.433633] ? mark_held_locks+0x130/0x130 [ 306.437882] ? trace_hardirqs_on+0x310/0x310 [ 306.442289] ? lock_acquire+0x1ed/0x520 [ 306.446279] ? ext4_filemap_fault+0x7a/0xad [ 306.450606] ? lock_release+0x970/0x970 [ 306.454574] ? arch_local_save_flags+0x40/0x40 [ 306.459155] ? mark_held_locks+0x130/0x130 [ 306.463383] ? trace_hardirqs_off+0xb8/0x310 [ 306.467832] ? down_read+0xb0/0x1d0 [ 306.471453] ? ext4_filemap_fault+0x7a/0xad [ 306.475786] ? __down_interruptible+0x700/0x700 [ 306.480458] ? kmem_cache_free+0x21a/0x290 [ 306.484691] ? __sigqueue_free.part.27+0x7d/0xa0 [ 306.489445] ? __dequeue_signal+0xf9/0x7d0 [ 306.493695] ext4_filemap_fault+0x82/0xad [ 306.497858] __do_fault+0x100/0x6b0 [ 306.501484] ? print_bad_pte+0x6c0/0x6c0 [ 306.505546] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 306.511080] ? pmd_val+0x88/0x100 [ 306.514533] ? add_mm_counter_fast+0xd0/0xd0 [ 306.518939] ? pmd_val+0x88/0x100 [ 306.522390] ? add_mm_counter_fast+0xd0/0xd0 [ 306.526802] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 306.532341] __handle_mm_fault+0x3709/0x53e0 [ 306.536753] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 306.541592] ? kasan_check_write+0x14/0x20 [ 306.545841] ? do_raw_spin_lock+0xc1/0x200 [ 306.550078] ? _raw_spin_unlock_irq+0x60/0x80 [ 306.554570] ? __set_current_blocked+0xe4/0x120 [ 306.559244] ? lock_acquire+0x1ed/0x520 [ 306.563219] ? handle_mm_fault+0x42a/0xc70 [ 306.567480] ? lock_downgrade+0x900/0x900 [ 306.571626] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 306.577424] ? __do_page_fault+0x67d/0xed0 [ 306.581654] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 306.587098] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 306.592627] ? check_preemption_disabled+0x48/0x200 [ 306.597646] handle_mm_fault+0x54f/0xc70 [ 306.601706] ? __handle_mm_fault+0x53e0/0x53e0 [ 306.606285] ? find_vma+0x34/0x190 [ 306.609835] __do_page_fault+0x67d/0xed0 [ 306.613895] ? mm_fault_error+0x380/0x380 [ 306.618060] ? syscall_slow_exit_work+0x520/0x520 [ 306.622917] do_page_fault+0xf2/0x7e0 [ 306.626713] ? vmalloc_sync_all+0x30/0x30 [ 306.630861] ? error_entry+0x70/0xd0 [ 306.634577] ? trace_hardirqs_off_caller+0xbb/0x310 [ 306.639586] ? trace_hardirqs_on_caller+0xc0/0x310 [ 306.644510] ? syscall_return_slowpath+0x5e0/0x5e0 [ 306.649432] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 306.654267] ? trace_hardirqs_on_caller+0x310/0x310 [ 306.659275] ? trace_hardirqs_off+0x310/0x310 [ 306.663768] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 306.668784] ? prepare_exit_to_usermode+0x291/0x3b0 [ 306.673846] ? page_fault+0x8/0x30 [ 306.677440] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 306.682281] ? page_fault+0x8/0x30 [ 306.685922] page_fault+0x1e/0x30 [ 306.689400] RIP: 0033:0x45db60 [ 306.692590] Code: Bad RIP value. [ 306.695948] RSP: 002b:000000c420049ab8 EFLAGS: 00010286 [ 306.701307] RAX: 0000000000000000 RBX: 000000c420026380 RCX: 000000000045ddf3 [ 306.708569] RDX: 000000c420049ac0 RSI: 000000c420049bf0 RDI: 0000000000000011 [ 306.715829] RBP: 000000c420022f08 R08: 0000000000000000 R09: 0000000000000000 [ 306.723099] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42005c168 [ 306.730360] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000 [ 306.737641] CPU: 0 PID: 7800 Comm: syz-executor2 Not tainted 4.19.0-rc6+ #119 [ 306.737693] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 306.744942] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 306.751488] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 306.760777] Call Trace: [ 306.771004] syz-fuzzer cpuset= [ 306.773571] [ 306.773573] / mems_allowed=0 [ 306.776762] dump_stack+0x1c4/0x2b4 [ 306.785532] ? dump_stack_print_info.cold.2+0x52/0x52 [ 306.790723] warn_alloc.cold.119+0xb7/0x1bd [ 306.795059] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 306.799914] ? lock_downgrade+0x900/0x900 [ 306.804062] ? trace_hardirqs_off+0xb8/0x310 [ 306.808468] ? trace_hardirqs_off+0xb8/0x310 [ 306.812891] __alloc_pages_slowpath+0x2667/0x2d80 [ 306.817746] ? warn_alloc+0x120/0x120 [ 306.821539] ? trace_hardirqs_on+0x310/0x310 [ 306.825941] ? warn_alloc+0x120/0x120 [ 306.829742] ? warn_alloc+0x120/0x120 [ 306.833535] ? ktime_get+0x2e1/0x440 [ 306.837260] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.842789] ? check_preemption_disabled+0x48/0x200 [ 306.847824] ? kasan_check_read+0x11/0x20 [ 306.851968] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 306.857520] ? should_fail+0x22d/0xd01 [ 306.861411] ? rcu_bh_qs+0xc0/0xc0 [ 306.864948] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 306.870061] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 306.875591] ? should_fail+0x22d/0xd01 [ 306.879648] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 306.884743] ? should_fail+0x22d/0xd01 [ 306.888630] ? rcu_idle_enter+0x4b0/0x4b0 [ 306.892774] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 306.897891] ? mark_held_locks+0x130/0x130 [ 306.902124] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.907666] ? mark_held_locks+0x130/0x130 [ 306.911899] ? rcu_irq_exit+0xce/0x100 [ 306.915782] ? irq_exit+0xbd/0x1c0 [ 306.919328] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 306.924338] ? do_raw_spin_unlock+0xa7/0x2f0 [ 306.928741] ? smp_call_function_single_interrupt+0x650/0x650 [ 306.934625] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.940171] ? ret_from_intr+0xb/0x1e [ 306.943967] ? retint_kernel+0x2d/0x2d [ 306.948279] ? trace_hardirqs_on_caller+0xc0/0x310 [ 306.953210] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 306.957964] ? trace_hardirqs_off+0x310/0x310 [ 306.962458] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 306.967565] __alloc_pages_nodemask+0xa80/0xde0 [ 306.972228] ? should_fail+0x22d/0xd01 [ 306.976158] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 306.981199] ? ____cache_alloc_node+0x1c7/0x1e0 [ 306.985879] ? lock_downgrade+0x900/0x900 [ 306.990028] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.995561] cache_grow_begin+0x91/0x8c0 [ 306.999633] ? do_raw_spin_unlock+0xa7/0x2f0 [ 307.004042] fallback_alloc+0x203/0x2e0 [ 307.008016] ____cache_alloc_node+0x1c7/0x1e0 [ 307.012508] kmem_cache_alloc_node+0xe3/0x730 [ 307.016999] ? ipv6_get_ifaddr+0x42e/0x620 [ 307.021250] __alloc_skb+0x119/0x770 [ 307.024961] ? skb_scrub_packet+0x490/0x490 [ 307.029279] ? lock_downgrade+0x900/0x900 [ 307.033429] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.038977] ? refcount_sub_and_test_checked+0x203/0x310 [ 307.044429] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 307.049877] ? addrconf_rs_timer+0x690/0x690 [ 307.054285] ndisc_alloc_skb+0x144/0x340 [ 307.058346] ndisc_send_rs+0x331/0x6e0 [ 307.062231] addrconf_rs_timer+0x314/0x690 [ 307.066467] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.070724] call_timer_fn+0x272/0x920 [ 307.074608] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.078948] ? process_timeout+0x40/0x40 [ 307.083007] ? trace_hardirqs_off+0xb8/0x310 [ 307.087409] ? kasan_check_read+0x11/0x20 [ 307.091550] ? do_raw_spin_unlock+0xa7/0x2f0 [ 307.095956] ? trace_hardirqs_on+0x310/0x310 [ 307.100378] ? __run_timers+0x7da/0xc70 [ 307.104347] ? lock_downgrade+0x900/0x900 [ 307.108492] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 307.113604] ? trace_hardirqs_on+0xbd/0x310 [ 307.117918] ? kasan_check_read+0x11/0x20 [ 307.122061] ? __run_timers+0x7da/0xc70 [ 307.126049] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 307.131498] ? kasan_check_write+0x14/0x20 [ 307.135758] ? do_raw_spin_lock+0xc1/0x200 [ 307.140033] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.144322] __run_timers+0x7e5/0xc70 [ 307.148138] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 307.153496] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 307.158524] ? timerqueue_add+0x207/0x2b0 [ 307.162683] ? enqueue_hrtimer+0x1a5/0x560 [ 307.166908] ? lock_release+0x970/0x970 [ 307.170878] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 307.176066] ? kasan_check_write+0x14/0x20 [ 307.180303] ? pvclock_read_flags+0x160/0x160 [ 307.184822] ? lock_downgrade+0x900/0x900 [ 307.188975] ? trace_hardirqs_on+0xbd/0x310 [ 307.193308] ? kvm_sched_clock_read+0x9/0x20 [ 307.197717] ? irq_exit+0x17f/0x1c0 [ 307.201340] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.206887] ? check_preemption_disabled+0x48/0x200 [ 307.211901] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.217439] run_timer_softirq+0x52/0xb0 [ 307.221493] ? __this_cpu_preempt_check+0x1c/0x1f [ 307.226331] __do_softirq+0x30b/0xad8 [ 307.230151] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 307.235256] ? pvclock_read_flags+0x160/0x160 [ 307.239749] ? lapic_next_event+0x5a/0x90 [ 307.243890] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.249424] ? clockevents_program_event+0x140/0x370 [ 307.254526] ? kvm_clock_read+0x18/0x30 [ 307.258500] ? kvm_sched_clock_read+0x9/0x20 [ 307.262933] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.268465] ? check_preemption_disabled+0x48/0x200 [ 307.273479] irq_exit+0x17f/0x1c0 [ 307.276924] smp_apic_timer_interrupt+0x1cb/0x760 [ 307.281760] ? smp_reschedule_interrupt+0x109/0x650 [ 307.286783] ? smp_call_function_single_interrupt+0x650/0x650 [ 307.292684] ? interrupt_entry+0xb5/0xf0 [ 307.296754] ? trace_hardirqs_off_caller+0xbb/0x310 [ 307.301766] ? trace_hardirqs_off_caller+0xbb/0x310 [ 307.306787] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 307.311640] ? trace_hardirqs_on_caller+0x310/0x310 [ 307.316663] ? trace_hardirqs_on_caller+0x310/0x310 [ 307.321676] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.327210] ? check_preemption_disabled+0x48/0x200 [ 307.332226] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 307.337071] apic_timer_interrupt+0xf/0x20 [ 307.341295] [ 307.343533] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 307.349428] Code: 3f 7e 0f 85 32 ff ff ff e8 53 4a 3e ff e9 28 ff ff ff e8 ba ad c2 ff 48 83 3d 0a bf 6f 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 62 23 [ 307.368324] RSP: 0018:ffff88019a29f4a8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 307.376028] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000627e000 [ 307.383314] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 307.390588] RBP: ffff88019a29f520 R08: ffff8801ba14e480 R09: fffffbfff12720c0 [ 307.397851] R10: ffff88019a29e0f0 R11: ffffffff89390603 R12: ffff8801da800ac0 [ 307.405112] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286 [ 307.412384] ? trace_hardirqs_on+0xb4/0x310 [ 307.416708] ? save_stack+0xa9/0xd0 [ 307.420366] __kmalloc_node_track_caller+0x33/0x70 [ 307.425294] __kmalloc_reserve.isra.39+0xcc/0xe0 [ 307.430052] pskb_expand_head+0x230/0x10f0 [ 307.434281] ? lock_downgrade+0x900/0x900 [ 307.438426] ? check_preemption_disabled+0x48/0x200 [ 307.443438] ? memcpy+0x45/0x50 [ 307.446745] ? __copy_skb_header+0x350/0x6b0 [ 307.451150] ? __pskb_copy_fclone+0xeb0/0xeb0 [ 307.455643] ? skb_checksum+0x140/0x140 [ 307.459628] ? trace_hardirqs_on+0xbd/0x310 [ 307.465855] ? skb_clone+0x1bb/0x500 [ 307.469570] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 307.475016] ? kasan_unpoison_shadow+0x35/0x50 [ 307.479607] ? kasan_check_write+0x14/0x20 [ 307.483851] ? __skb_clone+0x6c7/0xa00 [ 307.487762] ? __copy_skb_header+0x6b0/0x6b0 [ 307.492171] ? kmem_cache_alloc+0x306/0x730 [ 307.496494] skb_ensure_writable+0x3dd/0x640 [ 307.500905] ? skb_cow_data+0xf10/0xf10 [ 307.504886] ? check_preemption_disabled+0x48/0x200 [ 307.509899] ? __this_cpu_preempt_check+0x1c/0x1f [ 307.514737] ? __bpf_redirect+0x54b/0xb20 [ 307.518887] ? __switch_to_asm+0x34/0x70 [ 307.522949] bpf_clone_redirect+0x14a/0x490 [ 307.527270] bpf_prog_3d1649e183dc2cc1+0xca3/0x1000 [ 307.532288] ? __sched_text_start+0x8/0x8 [ 307.536436] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 307.541206] ? retint_kernel+0x2d/0x2d [ 307.545087] ? trace_hardirqs_on_caller+0xc0/0x310 [ 307.550011] ? retint_kernel+0x2d/0x2d [ 307.553894] ? trace_hardirqs_on_caller+0xc0/0x310 [ 307.558857] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 307.563610] ? trace_hardirqs_off+0x310/0x310 [ 307.568103] ? retint_kernel+0x1b/0x2d [ 307.571995] ? lock_acquire+0x1ed/0x520 [ 307.575978] ? bpf_test_run+0x3cb/0x780 [ 307.579948] ? lock_downgrade+0x900/0x900 [ 307.584093] ? lock_release+0x970/0x970 [ 307.588068] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 307.593882] ? preempt_schedule_common+0x1f/0xd0 [ 307.598634] ? preempt_schedule+0x4d/0x60 [ 307.602780] ? ___preempt_schedule+0x16/0x18 [ 307.607216] ? bpf_test_run+0x25d/0x780 [ 307.611197] ? netlink_diag_dump+0x2a0/0x2a0 [ 307.615603] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 307.621138] ? bpf_test_init.isra.9+0x70/0x100 [ 307.625721] ? bpf_prog_test_run_skb+0x634/0xb40 [ 307.630480] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 307.635321] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 307.640853] ? fput+0x130/0x1a0 [ 307.644131] ? __bpf_prog_get+0x9b/0x290 [ 307.648193] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 307.653044] ? bpf_prog_test_run+0x130/0x1a0 [ 307.657449] ? __x64_sys_bpf+0x3d8/0x510 [ 307.661511] ? bpf_prog_get+0x20/0x20 [ 307.665315] ? __x64_sys_futex+0x4bc/0x6a0 [ 307.669553] ? do_syscall_64+0x1b9/0x820 [ 307.673614] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 307.678979] ? syscall_return_slowpath+0x5e0/0x5e0 [ 307.683907] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 307.688762] ? trace_hardirqs_on_caller+0x310/0x310 [ 307.693787] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 307.698824] ? prepare_exit_to_usermode+0x291/0x3b0 [ 307.703845] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 307.708705] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 307.714075] warn_alloc_show_mem: 1 callbacks suppressed [ 307.714087] CPU: 1 PID: 5806 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #119 [ 307.714089] Mem-Info: [ 307.714118] active_anon:46475 inactive_anon:4207 isolated_anon:0 [ 307.714118] active_file:17 inactive_file:13 isolated_file:0 [ 307.714118] unevictable:0 dirty:0 writeback:0 unstable:0 [ 307.714118] slab_reclaimable:8782 slab_unreclaimable:1485678 [ 307.714118] mapped:8194 shmem:4214 pagetables:396 bounce:0 [ 307.714118] free:13756 free_pcp:276 free_cma:0 [ 307.719471] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 307.726841] Node 0 active_anon:185900kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32776kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 307.729237] Call Trace: [ 307.762197] Node 0 [ 307.771549] [ 307.799340] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 307.801894] dump_stack+0x1c4/0x2b4 [ 307.804100] lowmem_reserve[]: [ 307.806242] ? dump_stack_print_info.cold.2+0x52/0x52 [ 307.831717] 0 [ 307.835385] warn_alloc.cold.119+0xb7/0x1bd [ 307.838458] 2819 [ 307.843657] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 307.845431] 6323 [ 307.849745] ? lock_downgrade+0x900/0x900 [ 307.851781] 6323 [ 307.856623] ? trace_hardirqs_off+0xb8/0x310 [ 307.862841] ? trace_hardirqs_off+0xb8/0x310 [ 307.864919] Node 0 [ 307.869349] __alloc_pages_slowpath+0x2667/0x2d80 [ 307.873769] DMA32 free:25168kB min:30060kB low:37572kB high:45084kB active_anon:10240kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 307.875983] ? warn_alloc+0x120/0x120 [ 307.880789] lowmem_reserve[]: [ 307.908027] ? trace_hardirqs_on+0x310/0x310 [ 307.911809] 0 [ 307.914904] ? warn_alloc+0x120/0x120 [ 307.919300] 0 [ 307.921100] ? warn_alloc+0x120/0x120 [ 307.924885] 3503 [ 307.926682] ? ktime_get+0x2e1/0x440 [ 307.930458] 3503 [ 307.932519] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.938259] ? check_preemption_disabled+0x48/0x200 [ 307.943767] Node 0 [ 307.948768] ? kasan_check_read+0x11/0x20 [ 307.948819] Normal free:13948kB min:37352kB low:46688kB high:56024kB active_anon:175660kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5056kB pagetables:1584kB bounce:0kB free_pcp:856kB local_pcp:320kB free_cma:0kB [ 307.948826] lowmem_reserve[]: [ 307.951061] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 307.955209] 0 [ 307.984015] ? should_fail+0x22d/0xd01 [ 307.987090] 0 [ 307.992638] ? rcu_bh_qs+0xc0/0xc0 [ 307.994416] 0 [ 307.998300] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 308.000076] 0 [ 308.003620] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 308.010481] ? should_fail+0x22d/0xd01 [ 308.012261] Node 0 [ 308.017873] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 308.021746] DMA: [ 308.024016] ? should_fail+0x22d/0xd01 [ 308.029090] 1*4kB [ 308.031156] ? rcu_idle_enter+0x4b0/0x4b0 [ 308.035030] (U) [ 308.037171] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 308.041295] 0*8kB [ 308.043279] ? mark_held_locks+0x130/0x130 [ 308.048356] 0*16kB [ 308.050509] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.054732] 1*32kB [ 308.056959] ? mark_held_locks+0x130/0x130 [ 308.062470] (U) [ 308.064702] ? rcu_irq_exit+0xce/0x100 [ 308.068908] 2*64kB [ 308.070880] ? irq_exit+0xbd/0x1c0 [ 308.074736] (U) [ 308.077140] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 308.080652] 1*128kB [ 308.082622] ? do_raw_spin_unlock+0xa7/0x2f0 [ 308.087609] (U) [ 308.089924] ? smp_call_function_single_interrupt+0x650/0x650 [ 308.094391] 1*256kB [ 308.096358] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.102214] (U) [ 308.104528] ? ret_from_intr+0xb/0x1e [ 308.110296] 0*512kB [ 308.112268] ? retint_kernel+0x2d/0x2d [ 308.116040] 1*1024kB [ 308.118358] ? trace_hardirqs_on_caller+0xc0/0x310 [ 308.122214] (U) [ 308.124622] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 308.129522] 1*2048kB [ 308.131504] ? trace_hardirqs_off+0x310/0x310 [ 308.136231] (M) [ 308.138634] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 308.143105] 3*4096kB [ 308.145075] __alloc_pages_nodemask+0xa80/0xde0 [ 308.150147] (M) [ 308.152546] ? should_fail+0x22d/0xd01 [ 308.157190] = 15908kB [ 308.159163] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 308.163021] Node 0 [ 308.165433] ? ____cache_alloc_node+0x1c7/0x1e0 [ 308.170410] DMA32: [ 308.172654] ? lock_downgrade+0x900/0x900 [ 308.177293] 2*4kB [ 308.179522] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.183644] (M) [ 308.185784] cache_grow_begin+0x91/0x8c0 [ 308.191303] 1*8kB [ 308.193274] ? do_raw_spin_unlock+0xa7/0x2f0 [ 308.197311] (M) [ 308.199457] fallback_alloc+0x203/0x2e0 [ 308.203842] 2*16kB [ 308.205850] ____cache_alloc_node+0x1c7/0x1e0 [ 308.209809] (M) [ 308.212039] kmem_cache_alloc_node+0xe3/0x730 [ 308.216517] 3*32kB [ 308.218488] ? ipv6_get_ifaddr+0x42e/0x620 [ 308.222953] (MH) [ 308.225179] __alloc_skb+0x119/0x770 [ 308.229385] 5*64kB [ 308.231439] ? skb_scrub_packet+0x490/0x490 [ 308.235126] (MH) [ 308.237352] ? lock_downgrade+0x900/0x900 [ 308.241649] 3*128kB [ 308.243710] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.247846] (M) [ 308.250167] ? refcount_sub_and_test_checked+0x203/0x310 [ 308.255679] 5*256kB [ 308.257644] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 308.263063] (UMH) [ 308.265373] ? addrconf_rs_timer+0x690/0x690 [ 308.270802] 5*512kB [ 308.272943] ndisc_alloc_skb+0x144/0x340 [ 308.277337] (UMH) [ 308.279653] ndisc_send_rs+0x331/0x6e0 [ 308.283688] 4*1024kB [ 308.285829] addrconf_rs_timer+0x314/0x690 [ 308.289691] (UMH) [ 308.292092] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 308.296309] 2*2048kB (M) [ 308.298462] call_timer_fn+0x272/0x920 [ 308.302669] 3*4096kB [ 308.305418] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 308.309280] (M) [ 308.311684] ? process_timeout+0x40/0x40 [ 308.315891] = 25168kB [ 308.317860] ? trace_hardirqs_off+0xb8/0x310 [ 308.321905] Node 0 [ 308.324317] ? kasan_check_read+0x11/0x20 [ 308.328697] Normal: [ 308.330924] ? do_raw_spin_unlock+0xa7/0x2f0 [ 308.335060] 1081*4kB [ 308.337391] ? trace_hardirqs_on+0x310/0x310 [ 308.341771] (UMEH) [ 308.344191] ? __run_timers+0x7da/0xc70 [ 308.348575] 387*8kB [ 308.350828] ? lock_downgrade+0x900/0x900 [ 308.354780] (ME) [ 308.357119] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 308.361254] 152*16kB [ 308.363311] ? trace_hardirqs_on+0xbd/0x310 [ 308.368384] (UME) [ 308.370785] ? kasan_check_read+0x11/0x20 [ 308.375099] 54*32kB [ 308.377255] ? __run_timers+0x7da/0xc70 [ 308.381385] (UME) [ 308.383703] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 308.387646] 21*64kB [ 308.389784] ? kasan_check_write+0x14/0x20 [ 308.395218] (UM) [ 308.397538] ? do_raw_spin_lock+0xc1/0x200 [ 308.401743] 0*128kB [ 308.403804] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 308.408025] 0*256kB [ 308.410342] __run_timers+0x7e5/0xc70 [ 308.414548] 2*512kB [ 308.416867] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 308.420639] (U) [ 308.422956] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 308.428293] 0*1024kB [ 308.430266] ? timerqueue_add+0x207/0x2b0 [ 308.435260] 0*2048kB [ 308.437655] ? enqueue_hrtimer+0x1a5/0x560 [ 308.441775] 0*4096kB [ 308.444214] ? lock_release+0x970/0x970 [ 308.448420] = 13948kB [ 308.450826] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 308.454779] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 308.457192] ? check_preemption_disabled+0x48/0x200 [ 308.462389] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 308.471205] ? kasan_check_write+0x14/0x20 [ 308.476214] 4244 total pagecache pages [ 308.484804] ? pvclock_read_flags+0x160/0x160 [ 308.489011] 0 pages in swap cache [ 308.492888] ? lock_downgrade+0x900/0x900 [ 308.497357] Swap cache stats: add 0, delete 0, find 0/0 [ 308.500803] ? trace_hardirqs_on+0xbd/0x310 [ 308.504945] Free swap = 0kB [ 308.510319] ? kvm_sched_clock_read+0x9/0x20 [ 308.514605] Total swap = 0kB [ 308.517627] ? irq_exit+0x17f/0x1c0 [ 308.522003] 1965979 pages RAM [ 308.525011] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.528607] 0 pages HighMem/MovableOnly [ 308.531700] ? check_preemption_disabled+0x48/0x200 [ 308.537211] 342307 pages reserved [ 308.541177] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.546181] 0 pages cma reserved [ 308.549623] run_timer_softirq+0x52/0xb0 [ 308.555209] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 308.558498] ? __this_cpu_preempt_check+0x1c/0x1f [ 308.558510] __do_softirq+0x30b/0xad8 [ 308.558526] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 308.562608] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 308.569049] ? pvclock_read_flags+0x160/0x160 [ 308.573880] syz-executor2 cpuset= [ 308.577930] ? lapic_next_event+0x5a/0x90 [ 308.583034] syz2 [ 308.593513] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.597988] mems_allowed=0 [ 308.601428] ? clockevents_program_event+0x140/0x370 [ 308.621049] ? kvm_clock_read+0x18/0x30 [ 308.625017] ? kvm_sched_clock_read+0x9/0x20 [ 308.629423] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.634954] ? check_preemption_disabled+0x48/0x200 [ 308.639975] irq_exit+0x17f/0x1c0 [ 308.643421] smp_apic_timer_interrupt+0x1cb/0x760 [ 308.648257] ? smp_reschedule_interrupt+0x109/0x650 [ 308.653269] ? smp_call_function_single_interrupt+0x650/0x650 [ 308.659151] ? interrupt_entry+0xb5/0xf0 [ 308.663209] ? trace_hardirqs_off_caller+0xbb/0x310 [ 308.668221] ? trace_hardirqs_off_caller+0xbb/0x310 [ 308.673233] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 308.678091] ? trace_hardirqs_on_caller+0x310/0x310 [ 308.683106] ? trace_hardirqs_on_caller+0x310/0x310 [ 308.688131] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 308.693659] ? check_preemption_disabled+0x48/0x200 [ 308.698674] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 308.704213] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 308.709071] apic_timer_interrupt+0xf/0x20 [ 308.713297] [ 308.715568] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 308.720758] Code: 00 e8 97 f5 a3 f9 e8 d2 63 d3 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d 24 75 80 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d fa 74 [ 308.739650] RSP: 0000:ffff8801bbdd6150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 308.747354] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 308.754632] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe740 [ 308.761896] RBP: ffff8801bbdd6178 R08: ffff8801d838c080 R09: ffffed003b5e5979 [ 308.769161] R10: ffffed003b5e5979 R11: ffff8801daf2cbcb R12: dffffc0000000000 [ 308.776424] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 308.783695] ? trace_hardirqs_on+0x9a/0x310 [ 308.788011] ? trace_hardirqs_on+0xb4/0x310 [ 308.792339] retint_kernel+0x1b/0x2d [ 308.796064] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 308.801339] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 21 17 fa 48 83 3d 99 9c 86 01 00 75 07 e8 9a 7f d3 f9 0f 0b e8 93 7f d3 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 21 17 fa 4c 8b 45 d0 e9 [ 308.820237] RSP: 0000:ffff8801bbdd6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 308.827941] RAX: ffff8801d838c080 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 308.835217] RDX: 0000000000000000 RSI: ffffffff87ab55fd RDI: 0000000000000293 [ 308.842493] RBP: ffff8801bbdd6240 R08: ffff8801d838c080 R09: fffffbfff13d9700 [ 308.849758] R10: fffffbfff13d9700 R11: 0000000000000003 R12: 0000000000000293 [ 308.857033] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff8931f280 [ 308.864313] ? trace_hardirqs_on+0x9a/0x310 [ 308.868642] ? arch_local_irq_restore+0x45/0x52 [ 308.873316] dump_stack+0x26a/0x2b4 [ 308.876944] ? dump_stack_print_info.cold.2+0x52/0x52 [ 308.882132] ? mark_held_locks+0x130/0x130 [ 308.886364] ? mark_held_locks+0x130/0x130 [ 308.890600] dump_header+0x27b/0xf72 [ 308.894316] ? rcu_read_unlock+0x16/0x60 [ 308.898375] ? pagefault_out_of_memory+0x197/0x197 [ 308.903310] ? mark_held_locks+0x130/0x130 [ 308.907536] ? percpu_ref_put_many+0x13e/0x260 [ 308.912118] ? mem_cgroup_charge_statistics+0x780/0x780 [ 308.917500] ? mem_cgroup_iter+0x1f7/0x1160 [ 308.921836] ? mark_held_locks+0x130/0x130 [ 308.926091] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.931620] ? task_will_free_mem+0x239/0xb30 [ 308.936122] ? ___ratelimit+0x36f/0x655 [ 308.940107] ? lock_downgrade+0x900/0x900 [ 308.944257] ? trace_hardirqs_on+0xbd/0x310 [ 308.948690] ? kasan_check_read+0x11/0x20 [ 308.952832] ? ___ratelimit+0x36f/0x655 [ 308.956810] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 308.962259] ? trace_hardirqs_on+0x310/0x310 [ 308.966666] ? lock_downgrade+0x900/0x900 [ 308.970827] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 308.975926] ? ___ratelimit+0xaa/0x655 [ 308.979817] ? idr_get_free+0xec0/0xec0 [ 308.983789] ? kasan_check_write+0x14/0x20 [ 308.988031] ? do_raw_spin_lock+0xc1/0x200 [ 308.992276] oom_kill_process.cold.27+0x10/0x903 [ 308.997047] ? lock_downgrade+0x900/0x900 [ 309.001210] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 309.007012] ? oom_evaluate_task+0x540/0x540 [ 309.011422] ? shrink_node+0x16b0/0x16b0 [ 309.015486] ? oom_unkillable_task+0x383/0x580 [ 309.020065] ? out_of_memory+0x974/0x1430 [ 309.024214] ? lock_downgrade+0x900/0x900 [ 309.028364] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 309.034174] ? __cpuset_node_allowed+0x19b/0x660 [ 309.038930] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 309.044462] ? oom_evaluate_task+0x302/0x540 [ 309.048865] out_of_memory+0xa84/0x1430 [ 309.052839] ? oom_killer_disable+0x3a0/0x3a0 [ 309.057332] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 309.062261] ? __mutex_add_waiter+0x2a0/0x2a0 [ 309.066758] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 309.071774] ? find_next_bit+0x104/0x130 [ 309.075877] __alloc_pages_slowpath+0x2318/0x2d80 [ 309.081216] ? warn_alloc+0x120/0x120 [ 309.085034] ? __radix_tree_lookup+0x4c0/0x4c0 [ 309.089622] ? find_get_entry+0x2f2/0xc40 [ 309.093779] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 309.098715] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 309.104250] ? should_fail+0x22d/0xd01 [ 309.108132] ? ___might_sleep+0x1ed/0x300 [ 309.112272] ? lock_release+0x970/0x970 [ 309.116247] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 309.121347] ? debug_smp_processor_id+0x1c/0x20 [ 309.126030] ? __might_sleep+0x95/0x190 [ 309.130016] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 309.134877] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 309.139899] ? lock_downgrade+0x900/0x900 [ 309.144049] ? ___might_sleep+0x1ed/0x300 [ 309.148196] ? lock_release+0x970/0x970 [ 309.152170] ? arch_local_save_flags+0x40/0x40 [ 309.156752] ? finish_task_switch+0x1f5/0x900 [ 309.161249] ? __might_sleep+0x95/0x190 [ 309.165220] __alloc_pages_nodemask+0xa80/0xde0 [ 309.169918] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 309.174933] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 309.180726] ? kasan_check_write+0x14/0x20 [ 309.184958] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 309.189630] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.195165] ? __do_page_cache_readahead+0x7ce/0x980 [ 309.200272] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 309.205817] alloc_pages_current+0x10c/0x210 [ 309.210221] ? lock_downgrade+0x900/0x900 [ 309.214369] __page_cache_alloc+0x38f/0x5b0 [ 309.218687] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 309.224486] ? ext4_filemap_fault+0x82/0xad [ 309.228813] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 309.233478] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 309.239009] ? check_preemption_disabled+0x48/0x200 [ 309.244027] filemap_fault+0x1594/0x25f0 [ 309.248123] ? __lock_page_or_retry+0xa00/0xa00 [ 309.252791] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 309.258603] ? unwind_dump+0x190/0x190 [ 309.262497] ? is_bpf_text_address+0xd3/0x170 [ 309.266992] ? filemap_map_pages+0xdea/0x1980 [ 309.271494] ? find_get_pages_range_tag+0x1320/0x1320 [ 309.276681] ? save_stack+0xa9/0xd0 [ 309.280310] ? save_stack+0x43/0xd0 [ 309.283947] ? __kasan_slab_free+0x102/0x150 [ 309.288373] ? __sigqueue_free.part.27+0x7d/0xa0 [ 309.293124] ? __dequeue_signal+0x530/0x7d0 [ 309.297441] ? dequeue_signal+0x26c/0x630 [ 309.301583] ? get_signal+0x3ec/0x1980 [ 309.305464] ? do_signal+0x9c/0x21e0 [ 309.309175] ? exit_to_usermode_loop+0x2e5/0x380 [ 309.313931] ? mark_held_locks+0x130/0x130 [ 309.318162] ? trace_hardirqs_on+0x310/0x310 [ 309.322572] ? lock_acquire+0x1ed/0x520 [ 309.326542] ? ext4_filemap_fault+0x7a/0xad [ 309.330894] ? lock_release+0x970/0x970 [ 309.334879] ? arch_local_save_flags+0x40/0x40 [ 309.339473] ? mark_held_locks+0x130/0x130 [ 309.343722] ? trace_hardirqs_off+0xb8/0x310 [ 309.348139] ? down_read+0xb0/0x1d0 [ 309.351762] ? ext4_filemap_fault+0x7a/0xad [ 309.356091] ? __down_interruptible+0x700/0x700 [ 309.360760] ? kmem_cache_free+0x21a/0x290 [ 309.364994] ? __sigqueue_free.part.27+0x7d/0xa0 [ 309.369759] ? __dequeue_signal+0xf9/0x7d0 [ 309.374011] ext4_filemap_fault+0x82/0xad [ 309.378157] __do_fault+0x100/0x6b0 [ 309.381782] ? print_bad_pte+0x6c0/0x6c0 [ 309.385848] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 309.391382] ? pmd_val+0x88/0x100 [ 309.394844] ? add_mm_counter_fast+0xd0/0xd0 [ 309.399252] ? pmd_val+0x88/0x100 [ 309.402714] ? add_mm_counter_fast+0xd0/0xd0 [ 309.407122] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 309.412672] __handle_mm_fault+0x3709/0x53e0 [ 309.417088] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 309.421924] ? kasan_check_write+0x14/0x20 [ 309.426155] ? do_raw_spin_lock+0xc1/0x200 [ 309.430391] ? _raw_spin_unlock_irq+0x60/0x80 [ 309.434934] ? __set_current_blocked+0xe4/0x120 [ 309.439623] ? lock_acquire+0x1ed/0x520 [ 309.443607] ? handle_mm_fault+0x42a/0xc70 [ 309.447844] ? lock_downgrade+0x900/0x900 [ 309.451997] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 309.457803] ? __do_page_fault+0x67d/0xed0 [ 309.462052] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 309.467503] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 309.473034] ? check_preemption_disabled+0x48/0x200 [ 309.478052] handle_mm_fault+0x54f/0xc70 [ 309.482117] ? __handle_mm_fault+0x53e0/0x53e0 [ 309.486717] ? find_vma+0x34/0x190 [ 309.490254] __do_page_fault+0x67d/0xed0 [ 309.494321] ? mm_fault_error+0x380/0x380 [ 309.498469] ? syscall_slow_exit_work+0x520/0x520 [ 309.503318] do_page_fault+0xf2/0x7e0 [ 309.507114] ? vmalloc_sync_all+0x30/0x30 [ 309.511278] ? error_entry+0x70/0xd0 [ 309.515010] ? trace_hardirqs_off_caller+0xbb/0x310 [ 309.520033] ? trace_hardirqs_on_caller+0xc0/0x310 [ 309.524956] ? syscall_return_slowpath+0x5e0/0x5e0 [ 309.529883] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 309.534725] ? trace_hardirqs_on_caller+0x310/0x310 [ 309.539734] ? trace_hardirqs_off+0x310/0x310 [ 309.544225] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 309.549253] ? prepare_exit_to_usermode+0x291/0x3b0 [ 309.554263] ? page_fault+0x8/0x30 [ 309.557812] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 309.562654] ? page_fault+0x8/0x30 [ 309.566190] page_fault+0x1e/0x30 [ 309.569636] RIP: 0033:0x45db60 [ 309.572846] Code: Bad RIP value. [ 309.576203] RSP: 002b:000000c420049ab8 EFLAGS: 00010286 [ 309.581561] RAX: 0000000000000000 RBX: 000000c420026380 RCX: 000000000045ddf3 [ 309.588828] RDX: 000000c420049ac0 RSI: 000000c420049bf0 RDI: 0000000000000011 [ 309.596088] RBP: 000000c420022f08 R08: 0000000000000000 R09: 0000000000000000 [ 309.603352] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42005c168 [ 309.610614] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000 [ 309.617898] CPU: 0 PID: 7800 Comm: syz-executor2 Not tainted 4.19.0-rc6+ #119 [ 309.617946] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 309.625178] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 309.631713] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 309.640989] Call Trace: [ 309.651197] syz-fuzzer cpuset= [ 309.653761] [ 309.653763] / mems_allowed=0 [ 309.656953] dump_stack+0x1c4/0x2b4 [ 309.665726] ? dump_stack_print_info.cold.2+0x52/0x52 [ 309.670925] warn_alloc.cold.119+0xb7/0x1bd [ 309.675262] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 309.680100] ? lock_downgrade+0x900/0x900 [ 309.684243] ? trace_hardirqs_off+0xb8/0x310 [ 309.688648] ? trace_hardirqs_off+0xb8/0x310 [ 309.693075] __alloc_pages_slowpath+0x2667/0x2d80 [ 309.697930] ? warn_alloc+0x120/0x120 [ 309.701733] ? warn_alloc+0x120/0x120 [ 309.705532] ? warn_alloc+0x120/0x120 [ 309.709332] ? mark_held_locks+0x130/0x130 [ 309.713572] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.719122] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 309.724675] ? should_fail+0x22d/0xd01 [ 309.728560] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 309.733659] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 309.739192] ? should_fail+0x22d/0xd01 [ 309.743094] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 309.748191] ? should_fail+0x22d/0xd01 [ 309.752086] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 309.757186] ? mark_held_locks+0x130/0x130 [ 309.761424] ? mark_held_locks+0x130/0x130 [ 309.765702] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.771254] ? trace_hardirqs_off+0xb8/0x310 [ 309.775668] ? kasan_check_read+0x11/0x20 [ 309.779821] ? do_raw_spin_unlock+0xa7/0x2f0 [ 309.784229] ? trace_hardirqs_on+0x310/0x310 [ 309.788635] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.794167] ? wq_watchdog_touch+0x9c/0xfe [ 309.798402] ? io_serial_in+0x11/0x90 [ 309.802214] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.807750] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 309.812860] __alloc_pages_nodemask+0xa80/0xde0 [ 309.817524] ? should_fail+0x22d/0xd01 [ 309.821411] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 309.826441] ? ____cache_alloc_node+0x1c7/0x1e0 [ 309.831108] ? lock_downgrade+0x900/0x900 [ 309.835268] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.840817] cache_grow_begin+0x91/0x8c0 [ 309.844882] ? do_raw_spin_unlock+0xa7/0x2f0 [ 309.849295] fallback_alloc+0x203/0x2e0 [ 309.853269] ____cache_alloc_node+0x1c7/0x1e0 [ 309.857767] kmem_cache_alloc_node+0xe3/0x730 [ 309.862262] ? ipv6_get_ifaddr+0x42e/0x620 [ 309.866499] __alloc_skb+0x119/0x770 [ 309.870210] ? skb_scrub_packet+0x490/0x490 [ 309.874527] ? lock_downgrade+0x900/0x900 [ 309.878675] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.884211] ? refcount_sub_and_test_checked+0x203/0x310 [ 309.889663] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 309.895117] ? addrconf_rs_timer+0x690/0x690 [ 309.899557] ndisc_alloc_skb+0x144/0x340 [ 309.903631] ndisc_send_rs+0x331/0x6e0 [ 309.907521] addrconf_rs_timer+0x314/0x690 [ 309.911752] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.915990] call_timer_fn+0x272/0x920 [ 309.919892] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.924128] ? process_timeout+0x40/0x40 [ 309.928185] ? trace_hardirqs_off+0xb8/0x310 [ 309.932587] ? kasan_check_read+0x11/0x20 [ 309.936727] ? do_raw_spin_unlock+0xa7/0x2f0 [ 309.941139] ? trace_hardirqs_on+0x310/0x310 [ 309.945543] ? __run_timers+0x7da/0xc70 [ 309.949511] ? lock_downgrade+0x900/0x900 [ 309.953661] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 309.958780] ? trace_hardirqs_on+0xbd/0x310 [ 309.963109] ? kasan_check_read+0x11/0x20 [ 309.967268] ? __run_timers+0x7da/0xc70 [ 309.971244] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 309.976708] ? kasan_check_write+0x14/0x20 [ 309.980943] ? do_raw_spin_lock+0xc1/0x200 [ 309.985175] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.989406] __run_timers+0x7e5/0xc70 [ 309.993208] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 309.998564] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 310.003576] ? timerqueue_add+0x207/0x2b0 [ 310.007764] ? enqueue_hrtimer+0x1a5/0x560 [ 310.012025] ? lock_release+0x970/0x970 [ 310.015997] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 310.021189] ? kasan_check_write+0x14/0x20 [ 310.025439] ? pvclock_read_flags+0x160/0x160 [ 310.029928] ? lock_downgrade+0x900/0x900 [ 310.034097] ? trace_hardirqs_on+0xbd/0x310 [ 310.038431] ? kvm_sched_clock_read+0x9/0x20 [ 310.042866] ? irq_exit+0x17f/0x1c0 [ 310.046493] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.052023] ? check_preemption_disabled+0x48/0x200 [ 310.057038] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.062576] run_timer_softirq+0x52/0xb0 [ 310.066633] ? __this_cpu_preempt_check+0x1c/0x1f [ 310.071472] __do_softirq+0x30b/0xad8 [ 310.075274] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 310.080389] ? pvclock_read_flags+0x160/0x160 [ 310.084884] ? lapic_next_event+0x5a/0x90 [ 310.089044] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.094579] ? clockevents_program_event+0x140/0x370 [ 310.099679] ? kvm_clock_read+0x18/0x30 [ 310.103649] ? kvm_sched_clock_read+0x9/0x20 [ 310.108057] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.113587] ? check_preemption_disabled+0x48/0x200 [ 310.118604] irq_exit+0x17f/0x1c0 [ 310.122051] smp_apic_timer_interrupt+0x1cb/0x760 [ 310.126888] ? smp_reschedule_interrupt+0x109/0x650 [ 310.131901] ? smp_call_function_single_interrupt+0x650/0x650 [ 310.137793] ? interrupt_entry+0xb5/0xf0 [ 310.141906] ? trace_hardirqs_off_caller+0xbb/0x310 [ 310.146920] ? trace_hardirqs_off_caller+0xbb/0x310 [ 310.151965] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 310.156819] ? trace_hardirqs_on_caller+0x310/0x310 [ 310.161848] ? trace_hardirqs_on_caller+0x310/0x310 [ 310.166861] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.172411] ? check_preemption_disabled+0x48/0x200 [ 310.177603] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 310.182450] apic_timer_interrupt+0xf/0x20 [ 310.186675] [ 310.188919] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 310.194816] Code: 3f 7e 0f 85 32 ff ff ff e8 53 4a 3e ff e9 28 ff ff ff e8 ba ad c2 ff 48 83 3d 0a bf 6f 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 62 23 [ 310.213712] RSP: 0018:ffff88019a29f4a8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 310.221436] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000627e000 [ 310.228701] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 310.235967] RBP: ffff88019a29f520 R08: ffff8801ba14e480 R09: fffffbfff12720c0 [ 310.243239] R10: ffff88019a29e0f0 R11: ffffffff89390603 R12: ffff8801da800ac0 [ 310.250506] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286 [ 310.257790] ? trace_hardirqs_on+0xb4/0x310 [ 310.262137] ? save_stack+0xa9/0xd0 [ 310.265777] __kmalloc_node_track_caller+0x33/0x70 [ 310.270724] __kmalloc_reserve.isra.39+0xcc/0xe0 [ 310.275484] pskb_expand_head+0x230/0x10f0 [ 310.279726] ? lock_downgrade+0x900/0x900 [ 310.283879] ? check_preemption_disabled+0x48/0x200 [ 310.288915] ? memcpy+0x45/0x50 [ 310.292199] ? __copy_skb_header+0x350/0x6b0 [ 310.296614] ? __pskb_copy_fclone+0xeb0/0xeb0 [ 310.301110] ? skb_checksum+0x140/0x140 [ 310.305091] ? trace_hardirqs_on+0xbd/0x310 [ 310.309415] ? skb_clone+0x1bb/0x500 [ 310.313136] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 310.318588] ? kasan_unpoison_shadow+0x35/0x50 [ 310.323176] ? kasan_check_write+0x14/0x20 [ 310.327413] ? __skb_clone+0x6c7/0xa00 [ 310.331310] ? __copy_skb_header+0x6b0/0x6b0 [ 310.335721] ? kmem_cache_alloc+0x306/0x730 [ 310.340057] skb_ensure_writable+0x3dd/0x640 [ 310.344474] ? skb_cow_data+0xf10/0xf10 [ 310.348471] ? check_preemption_disabled+0x48/0x200 [ 310.353495] ? __this_cpu_preempt_check+0x1c/0x1f [ 310.358339] ? __bpf_redirect+0x54b/0xb20 [ 310.362490] ? __switch_to_asm+0x34/0x70 [ 310.366556] bpf_clone_redirect+0x14a/0x490 [ 310.370887] bpf_prog_3d1649e183dc2cc1+0xca3/0x1000 [ 310.375911] ? __sched_text_start+0x8/0x8 [ 310.380065] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 310.384842] ? retint_kernel+0x2d/0x2d [ 310.388733] ? trace_hardirqs_on_caller+0xc0/0x310 [ 310.393664] ? retint_kernel+0x2d/0x2d [ 310.397655] ? trace_hardirqs_on_caller+0xc0/0x310 [ 310.402590] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 310.407352] ? trace_hardirqs_off+0x310/0x310 [ 310.411856] ? retint_kernel+0x1b/0x2d [ 310.415756] ? lock_acquire+0x1ed/0x520 [ 310.419737] ? bpf_test_run+0x3cb/0x780 [ 310.423713] ? lock_downgrade+0x900/0x900 [ 310.427868] ? lock_release+0x970/0x970 [ 310.431856] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 310.437660] ? preempt_schedule_common+0x1f/0xd0 [ 310.442423] ? preempt_schedule+0x4d/0x60 [ 310.446573] ? ___preempt_schedule+0x16/0x18 [ 310.450989] ? bpf_test_run+0x25d/0x780 [ 310.454977] ? netlink_diag_dump+0x2a0/0x2a0 [ 310.459391] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 310.464933] ? bpf_test_init.isra.9+0x70/0x100 [ 310.469525] ? bpf_prog_test_run_skb+0x634/0xb40 [ 310.474289] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 310.479133] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 310.484676] ? fput+0x130/0x1a0 [ 310.487964] ? __bpf_prog_get+0x9b/0x290 [ 310.492030] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 310.496881] ? bpf_prog_test_run+0x130/0x1a0 [ 310.501295] ? __x64_sys_bpf+0x3d8/0x510 [ 310.505360] ? bpf_prog_get+0x20/0x20 [ 310.509171] ? __x64_sys_futex+0x4bc/0x6a0 [ 310.513421] ? do_syscall_64+0x1b9/0x820 [ 310.517486] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 310.522860] ? syscall_return_slowpath+0x5e0/0x5e0 [ 310.527815] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 310.532665] ? trace_hardirqs_on_caller+0x310/0x310 [ 310.537689] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 310.542715] ? prepare_exit_to_usermode+0x291/0x3b0 [ 310.547742] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 310.552594] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 310.557977] warn_alloc_show_mem: 1 callbacks suppressed [ 310.557989] CPU: 1 PID: 5806 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #119 [ 310.557991] Mem-Info: [ 310.558021] active_anon:46475 inactive_anon:4207 isolated_anon:0 [ 310.558021] active_file:17 inactive_file:13 isolated_file:0 [ 310.558021] unevictable:0 dirty:0 writeback:0 unstable:0 [ 310.558021] slab_reclaimable:8782 slab_unreclaimable:1485678 [ 310.558021] mapped:8194 shmem:4214 pagetables:396 bounce:0 [ 310.558021] free:13756 free_pcp:276 free_cma:0 [ 310.563370] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 310.570393] Node 0 active_anon:185900kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32776kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 310.572819] Call Trace: [ 310.605779] Node 0 [ 310.615139] [ 310.642912] 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 [ 310.645475] dump_stack+0x1c4/0x2b4 [ 310.647690] lowmem_reserve[]: [ 310.649848] ? dump_stack_print_info.cold.2+0x52/0x52 [ 310.675327] 0 [ 310.678961] warn_alloc.cold.119+0xb7/0x1bd [ 310.682045] 2819 [ 310.687232] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 310.689017] 6323 [ 310.693345] ? lock_downgrade+0x900/0x900 [ 310.695395] 6323 [ 310.700237] ? trace_hardirqs_off+0xb8/0x310 [ 310.706434] ? trace_hardirqs_off+0xb8/0x310 [ 310.708479] Node 0 [ 310.712894] __alloc_pages_slowpath+0x2667/0x2d80 [ 310.717310] DMA32 free:25168kB min:30060kB low:37572kB high:45084kB active_anon:10240kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 310.719541] ? warn_alloc+0x120/0x120 [ 310.724353] lowmem_reserve[]: [ 310.751593] ? trace_hardirqs_on+0x310/0x310 [ 310.755372] 0 [ 310.758476] ? warn_alloc+0x120/0x120 [ 310.762865] 0 [ 310.764668] ? warn_alloc+0x120/0x120 [ 310.768454] 3503 [ 310.770259] ? ktime_get+0x2e1/0x440 [ 310.774043] 3503 [ 310.776104] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.781881] ? check_preemption_disabled+0x48/0x200 [ 310.787400] Node 0 Normal free:13948kB min:37352kB low:46688kB high:56024kB active_anon:175660kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5056kB pagetables:1584kB bounce:0kB free_pcp:856kB local_pcp:320kB free_cma:0kB [ 310.792439] ? kasan_check_read+0x11/0x20 [ 310.792457] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 310.821501] lowmem_reserve[]: [ 310.825655] ? should_fail+0x22d/0xd01 [ 310.831171] 0 [ 310.834276] ? rcu_bh_qs+0xc0/0xc0 [ 310.838142] 0 [ 310.839946] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 310.843466] 0 [ 310.845268] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 310.850349] 0 [ 310.852155] ? should_fail+0x22d/0xd01 [ 310.859475] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 310.863340] Node 0 [ 310.868449] ? should_fail+0x22d/0xd01 [ 310.868452] DMA: 1*4kB [ 310.870699] ? rcu_idle_enter+0x4b0/0x4b0 [ 310.874562] (U) [ 310.877145] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 310.881274] 0*8kB [ 310.883247] ? mark_held_locks+0x130/0x130 [ 310.888328] 0*16kB [ 310.890477] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.894696] 1*32kB [ 310.896934] ? mark_held_locks+0x130/0x130 [ 310.902455] (U) [ 310.904692] ? rcu_irq_exit+0xce/0x100 [ 310.908912] 2*64kB [ 310.910893] ? irq_exit+0xbd/0x1c0 [ 310.914758] (U) [ 310.916994] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 310.920517] 1*128kB [ 310.922499] ? do_raw_spin_unlock+0xa7/0x2f0 [ 310.927494] (U) [ 310.929831] ? smp_call_function_single_interrupt+0x650/0x650 [ 310.934221] 1*256kB [ 310.936196] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.942061] (U) [ 310.944387] ? ret_from_intr+0xb/0x1e [ 310.950401] 0*512kB 1*1024kB [ 310.952391] ? retint_kernel+0x2d/0x2d [ 310.956174] (U) [ 310.959281] ? trace_hardirqs_on_caller+0xc0/0x310 [ 310.963149] 1*2048kB [ 310.965130] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 310.970042] (M) [ 310.972452] ? trace_hardirqs_off+0x310/0x310 [ 310.977206] 3*4096kB [ 310.979200] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 310.983674] (M) [ 310.986089] __alloc_pages_nodemask+0xa80/0xde0 [ 310.991168] = 15908kB [ 310.993146] ? should_fail+0x22d/0xd01 [ 310.997813] Node 0 [ 311.000223] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 311.004093] DMA32: [ 311.006343] ? ____cache_alloc_node+0x1c7/0x1e0 [ 311.011331] 2*4kB [ 311.013568] ? lock_downgrade+0x900/0x900 [ 311.018221] (M) [ 311.020373] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.024500] 1*8kB [ 311.026476] cache_grow_begin+0x91/0x8c0 [ 311.031991] (M) [ 311.034140] ? do_raw_spin_unlock+0xa7/0x2f0 [ 311.038182] 2*16kB [ 311.040157] fallback_alloc+0x203/0x2e0 [ 311.044547] (M) [ 311.046784] ____cache_alloc_node+0x1c7/0x1e0 [ 311.050758] 3*32kB [ 311.052733] kmem_cache_alloc_node+0xe3/0x730 [ 311.057211] (MH) [ 311.059449] ? ipv6_get_ifaddr+0x42e/0x620 [ 311.063924] 5*64kB [ 311.065990] __alloc_skb+0x119/0x770 [ 311.070203] (MH) [ 311.072440] ? skb_scrub_packet+0x490/0x490 [ 311.076138] 3*128kB [ 311.078699] ? lock_downgrade+0x900/0x900 [ 311.083007] (M) [ 311.085338] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.089466] 5*256kB [ 311.091449] ? refcount_sub_and_test_checked+0x203/0x310 [ 311.096965] (UMH) [ 311.099288] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 311.104717] 5*512kB [ 311.106869] ? addrconf_rs_timer+0x690/0x690 [ 311.112303] (UMH) [ 311.114632] ndisc_alloc_skb+0x144/0x340 [ 311.119023] 4*1024kB [ 311.121170] ndisc_send_rs+0x331/0x6e0 [ 311.125210] (UMH) [ 311.127618] addrconf_rs_timer+0x314/0x690 [ 311.131485] 2*2048kB [ 311.133629] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 311.137845] (M) [ 311.140257] call_timer_fn+0x272/0x920 [ 311.144472] 3*4096kB [ 311.146451] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 311.150321] (M) [ 311.152737] ? process_timeout+0x40/0x40 [ 311.156947] = 25168kB [ 311.156955] Node 0 [ 311.158931] ? trace_hardirqs_off+0xb8/0x310 [ 311.162972] Normal: [ 311.165381] ? kasan_check_read+0x11/0x20 [ 311.167602] 1081*4kB [ 311.172010] ? do_raw_spin_unlock+0xa7/0x2f0 [ 311.174317] (UMEH) [ 311.178502] ? trace_hardirqs_on+0x310/0x310 [ 311.180898] 387*8kB [ 311.185312] ? __run_timers+0x7da/0xc70 [ 311.187523] (ME) [ 311.191973] ? lock_downgrade+0x900/0x900 [ 311.194284] 152*16kB [ 311.198316] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 311.200354] (UME) [ 311.204500] ? trace_hardirqs_on+0xbd/0x310 [ 311.206897] 54*32kB [ 311.212001] ? kasan_check_read+0x11/0x20 [ 311.214132] (UME) [ 311.218452] ? __run_timers+0x7da/0xc70 [ 311.220760] 21*64kB [ 311.224909] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 311.227045] (UM) [ 311.231020] ? kasan_check_write+0x14/0x20 [ 311.233331] 0*128kB [ 311.238776] ? do_raw_spin_lock+0xc1/0x200 [ 311.240834] 0*256kB [ 311.245068] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 311.247377] 2*512kB [ 311.251610] __run_timers+0x7e5/0xc70 [ 311.253916] (U) [ 311.258153] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 311.260466] 0*1024kB [ 311.264268] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 311.266226] 0*2048kB [ 311.271590] ? timerqueue_add+0x207/0x2b0 [ 311.273980] 0*4096kB [ 311.278994] ? enqueue_hrtimer+0x1a5/0x560 [ 311.281386] = 13948kB [ 311.285530] ? lock_release+0x970/0x970 [ 311.287934] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 311.292163] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 311.294558] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 311.298525] ? check_preemption_disabled+0x48/0x200 [ 311.307345] 4244 total pagecache pages [ 311.312532] ? kasan_check_write+0x14/0x20 [ 311.321092] 0 pages in swap cache [ 311.326106] ? pvclock_read_flags+0x160/0x160 [ 311.329978] Swap cache stats: add 0, delete 0, find 0/0 [ 311.334205] ? lock_downgrade+0x900/0x900 [ 311.337639] Free swap = 0kB [ 311.342136] ? trace_hardirqs_on+0xbd/0x310 [ 311.347480] Total swap = 0kB [ 311.351627] ? kvm_sched_clock_read+0x9/0x20 [ 311.354628] 1965979 pages RAM [ 311.358947] ? irq_exit+0x17f/0x1c0 [ 311.361948] 0 pages HighMem/MovableOnly [ 311.366356] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.369442] 342307 pages reserved [ 311.373067] ? check_preemption_disabled+0x48/0x200 [ 311.377022] 0 pages cma reserved [ 311.382556] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.386038] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 311.390999] run_timer_softirq+0x52/0xb0 [ 311.391012] ? __this_cpu_preempt_check+0x1c/0x1f [ 311.391028] __do_softirq+0x30b/0xad8 [ 311.394423] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 311.399917] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 311.406391] syz-executor2 cpuset= [ 311.410455] ? pvclock_read_flags+0x160/0x160 [ 311.415281] syz2 [ 311.419079] ? lapic_next_event+0x5a/0x90 [ 311.429547] mems_allowed=0 [ 311.434646] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.457121] ? clockevents_program_event+0x140/0x370 [ 311.462233] ? kvm_clock_read+0x18/0x30 [ 311.466216] ? kvm_sched_clock_read+0x9/0x20 [ 311.470631] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.476172] ? check_preemption_disabled+0x48/0x200 [ 311.481203] irq_exit+0x17f/0x1c0 [ 311.484663] smp_apic_timer_interrupt+0x1cb/0x760 [ 311.489509] ? smp_reschedule_interrupt+0x109/0x650 [ 311.494532] ? smp_call_function_single_interrupt+0x650/0x650 [ 311.500420] ? interrupt_entry+0xb5/0xf0 [ 311.504486] ? trace_hardirqs_off_caller+0xbb/0x310 [ 311.509504] ? trace_hardirqs_off_caller+0xbb/0x310 [ 311.514529] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 311.519376] ? trace_hardirqs_on_caller+0x310/0x310 [ 311.524396] ? trace_hardirqs_on_caller+0x310/0x310 [ 311.529464] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 311.535009] ? check_preemption_disabled+0x48/0x200 [ 311.540027] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 311.545575] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 311.550426] apic_timer_interrupt+0xf/0x20 [ 311.554661] [ 311.556908] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 311.562107] Code: 00 e8 97 f5 a3 f9 e8 d2 63 d3 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d 24 75 80 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d fa 74 [ 311.581009] RSP: 0000:ffff8801bbdd6150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 311.588724] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 311.595997] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe740 [ 311.603271] RBP: ffff8801bbdd6178 R08: ffff8801d838c080 R09: ffffed003b5e5979 [ 311.610542] R10: ffffed003b5e5979 R11: ffff8801daf2cbcb R12: dffffc0000000000 [ 311.617831] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 311.625113] ? trace_hardirqs_on+0x9a/0x310 [ 311.629442] ? trace_hardirqs_on+0xb4/0x310 [ 311.633775] retint_kernel+0x1b/0x2d [ 311.637512] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 311.642791] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 21 17 fa 48 83 3d 99 9c 86 01 00 75 07 e8 9a 7f d3 f9 0f 0b e8 93 7f d3 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 21 17 fa 4c 8b 45 d0 e9 [ 311.661715] RSP: 0000:ffff8801bbdd6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 311.669432] RAX: ffff8801d838c080 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 311.676703] RDX: 0000000000000000 RSI: ffffffff87ab55fd RDI: 0000000000000293 [ 311.683979] RBP: ffff8801bbdd6240 R08: ffff8801d838c080 R09: fffffbfff13d9700 [ 311.691336] R10: fffffbfff13d9700 R11: 0000000000000003 R12: 0000000000000293 [ 311.698607] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff8931f280 [ 311.705893] ? trace_hardirqs_on+0x9a/0x310 [ 311.710220] ? arch_local_irq_restore+0x45/0x52 [ 311.714900] dump_stack+0x26a/0x2b4 [ 311.718534] ? dump_stack_print_info.cold.2+0x52/0x52 [ 311.723734] ? mark_held_locks+0x130/0x130 [ 311.727980] ? mark_held_locks+0x130/0x130 [ 311.732227] dump_header+0x27b/0xf72 [ 311.735955] ? rcu_read_unlock+0x16/0x60 [ 311.740024] ? pagefault_out_of_memory+0x197/0x197 [ 311.744965] ? mark_held_locks+0x130/0x130 [ 311.749208] ? percpu_ref_put_many+0x13e/0x260 [ 311.753816] ? mem_cgroup_charge_statistics+0x780/0x780 [ 311.759195] ? mem_cgroup_iter+0x1f7/0x1160 [ 311.763523] ? mark_held_locks+0x130/0x130 [ 311.767772] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.773332] ? task_will_free_mem+0x239/0xb30 [ 311.777854] ? ___ratelimit+0x36f/0x655 [ 311.781853] ? lock_downgrade+0x900/0x900 [ 311.786010] ? trace_hardirqs_on+0xbd/0x310 [ 311.790334] ? kasan_check_read+0x11/0x20 [ 311.794486] ? ___ratelimit+0x36f/0x655 [ 311.798465] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 311.803921] ? trace_hardirqs_on+0x310/0x310 [ 311.808336] ? lock_downgrade+0x900/0x900 [ 311.812497] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 311.817607] ? ___ratelimit+0xaa/0x655 [ 311.821498] ? idr_get_free+0xec0/0xec0 [ 311.825475] ? kasan_check_write+0x14/0x20 [ 311.829714] ? do_raw_spin_lock+0xc1/0x200 [ 311.833960] oom_kill_process.cold.27+0x10/0x903 [ 311.838717] ? lock_downgrade+0x900/0x900 [ 311.842881] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 311.848684] ? oom_evaluate_task+0x540/0x540 [ 311.853099] ? shrink_node+0x16b0/0x16b0 [ 311.857170] ? oom_unkillable_task+0x383/0x580 [ 311.861759] ? out_of_memory+0x974/0x1430 [ 311.865915] ? lock_downgrade+0x900/0x900 [ 311.870074] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 311.875887] ? __cpuset_node_allowed+0x19b/0x660 [ 311.880651] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 311.886193] ? oom_evaluate_task+0x302/0x540 [ 311.890610] out_of_memory+0xa84/0x1430 [ 311.894597] ? oom_killer_disable+0x3a0/0x3a0 [ 311.899102] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 311.904035] ? __mutex_add_waiter+0x2a0/0x2a0 [ 311.908538] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 311.913560] ? find_next_bit+0x104/0x130 [ 311.917631] __alloc_pages_slowpath+0x2318/0x2d80 [ 311.922624] ? warn_alloc+0x120/0x120 [ 311.926432] ? __radix_tree_lookup+0x4c0/0x4c0 [ 311.931030] ? find_get_entry+0x2f2/0xc40 [ 311.935191] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 311.940125] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 311.945667] ? should_fail+0x22d/0xd01 [ 311.949562] ? ___might_sleep+0x1ed/0x300 [ 311.953711] ? lock_release+0x970/0x970 [ 311.957690] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 311.962816] ? debug_smp_processor_id+0x1c/0x20 [ 311.967499] ? __might_sleep+0x95/0x190 [ 311.971485] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 311.976341] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 311.981368] ? lock_downgrade+0x900/0x900 [ 311.985521] ? ___might_sleep+0x1ed/0x300 [ 311.989673] ? lock_release+0x970/0x970 [ 311.993653] ? arch_local_save_flags+0x40/0x40 [ 311.998244] ? finish_task_switch+0x1f5/0x900 [ 312.002754] ? __might_sleep+0x95/0x190 [ 312.006739] __alloc_pages_nodemask+0xa80/0xde0 [ 312.011420] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 312.016486] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 312.022377] ? kasan_check_write+0x14/0x20 [ 312.026618] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 312.031297] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.036863] ? __do_page_cache_readahead+0x7ce/0x980 [ 312.041982] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 312.047615] alloc_pages_current+0x10c/0x210 [ 312.052026] ? lock_downgrade+0x900/0x900 [ 312.056183] __page_cache_alloc+0x38f/0x5b0 [ 312.060512] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 312.066337] ? ext4_filemap_fault+0x82/0xad [ 312.070663] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 312.075340] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 312.080882] ? check_preemption_disabled+0x48/0x200 [ 312.085909] filemap_fault+0x1594/0x25f0 [ 312.089981] ? __lock_page_or_retry+0xa00/0xa00 [ 312.094655] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 312.100460] ? unwind_dump+0x190/0x190 [ 312.104358] ? is_bpf_text_address+0xd3/0x170 [ 312.108862] ? filemap_map_pages+0xdea/0x1980 [ 312.113372] ? find_get_pages_range_tag+0x1320/0x1320 [ 312.118567] ? save_stack+0xa9/0xd0 [ 312.122197] ? save_stack+0x43/0xd0 [ 312.125842] ? __kasan_slab_free+0x102/0x150 [ 312.130258] ? __sigqueue_free.part.27+0x7d/0xa0 [ 312.135016] ? __dequeue_signal+0x530/0x7d0 [ 312.139341] ? dequeue_signal+0x26c/0x630 [ 312.143496] ? get_signal+0x3ec/0x1980 [ 312.147389] ? do_signal+0x9c/0x21e0 [ 312.151108] ? exit_to_usermode_loop+0x2e5/0x380 [ 312.155872] ? mark_held_locks+0x130/0x130 [ 312.160114] ? trace_hardirqs_on+0x310/0x310 [ 312.164528] ? lock_acquire+0x1ed/0x520 [ 312.168506] ? ext4_filemap_fault+0x7a/0xad [ 312.172851] ? lock_release+0x970/0x970 [ 312.176845] ? arch_local_save_flags+0x40/0x40 [ 312.181431] ? mark_held_locks+0x130/0x130 [ 312.185668] ? trace_hardirqs_off+0xb8/0x310 [ 312.190092] ? down_read+0xb0/0x1d0 [ 312.193720] ? ext4_filemap_fault+0x7a/0xad [ 312.198050] ? __down_interruptible+0x700/0x700 [ 312.202726] ? kmem_cache_free+0x21a/0x290 [ 312.206968] ? __sigqueue_free.part.27+0x7d/0xa0 [ 312.211731] ? __dequeue_signal+0xf9/0x7d0 [ 312.215973] ext4_filemap_fault+0x82/0xad [ 312.220141] __do_fault+0x100/0x6b0 [ 312.223788] ? print_bad_pte+0x6c0/0x6c0 [ 312.227873] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 312.233414] ? pmd_val+0x88/0x100 [ 312.236877] ? add_mm_counter_fast+0xd0/0xd0 [ 312.241290] ? pmd_val+0x88/0x100 [ 312.244754] ? add_mm_counter_fast+0xd0/0xd0 [ 312.249172] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 312.254717] __handle_mm_fault+0x3709/0x53e0 [ 312.259140] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 312.263986] ? kasan_check_write+0x14/0x20 [ 312.268229] ? do_raw_spin_lock+0xc1/0x200 [ 312.272473] ? _raw_spin_unlock_irq+0x60/0x80 [ 312.276976] ? __set_current_blocked+0xe4/0x120 [ 312.281657] ? lock_acquire+0x1ed/0x520 [ 312.285640] ? handle_mm_fault+0x42a/0xc70 [ 312.289881] ? lock_downgrade+0x900/0x900 [ 312.294047] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 312.299865] ? __do_page_fault+0x67d/0xed0 [ 312.304114] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 312.309569] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 312.315112] ? check_preemption_disabled+0x48/0x200 [ 312.320147] handle_mm_fault+0x54f/0xc70 [ 312.324214] ? __handle_mm_fault+0x53e0/0x53e0 [ 312.328818] ? find_vma+0x34/0x190 [ 312.332381] __do_page_fault+0x67d/0xed0 [ 312.336451] ? mm_fault_error+0x380/0x380 [ 312.340606] ? syscall_slow_exit_work+0x520/0x520 [ 312.345456] do_page_fault+0xf2/0x7e0 [ 312.349267] ? vmalloc_sync_all+0x30/0x30 [ 312.353439] ? error_entry+0x70/0xd0 [ 312.357161] ? trace_hardirqs_off_caller+0xbb/0x310 [ 312.362182] ? trace_hardirqs_on_caller+0xc0/0x310 [ 312.367117] ? syscall_return_slowpath+0x5e0/0x5e0 [ 312.372051] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 312.376905] ? trace_hardirqs_on_caller+0x310/0x310 [ 312.381929] ? trace_hardirqs_off+0x310/0x310 [ 312.386429] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 312.391451] ? prepare_exit_to_usermode+0x291/0x3b0 [ 312.396477] ? page_fault+0x8/0x30 [ 312.400026] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 312.404880] ? page_fault+0x8/0x30 [ 312.408426] page_fault+0x1e/0x30 [ 312.411882] RIP: 0033:0x45db60 [ 312.415079] Code: Bad RIP value. [ 312.418443] RSP: 002b:000000c420049ab8 EFLAGS: 00010286 [ 312.423829] RAX: 0000000000000000 RBX: 000000c420026380 RCX: 000000000045ddf3 [ 312.431100] RDX: 000000c420049ac0 RSI: 000000c420049bf0 RDI: 0000000000000011 [ 312.438371] RBP: 000000c420022f08 R08: 0000000000000000 R09: 0000000000000000 [ 312.445643] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42005c168 [ 312.452917] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000 [ 312.460209] CPU: 0 PID: 7800 Comm: syz-executor2 Not tainted 4.19.0-rc6+ #119 [ 312.460230] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 312.467490] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 312.473718] Call Trace: [ 312.483067] rcu: [ 312.485639] [ 312.485646] (detected by 1, t=10514 jiffies, g=11681, q=14) [ 312.485663] rcu: All QSes seen, last rcu_preempt kthread activity 10344 (4294968392-4294958048), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 312.487825] dump_stack+0x1c4/0x2b4 [ 312.489954] syz-fuzzer R [ 312.495662] ? dump_stack_print_info.cold.2+0x52/0x52 [ 312.508295] running task [ 312.511927] warn_alloc.cold.119+0xb7/0x1bd [ 312.515015] 12944 5806 5802 0x80000008 [ 312.520198] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 312.523383] Call Trace: [ 312.527701] ? lock_downgrade+0x900/0x900 [ 312.531835] [ 312.536673] ? trace_hardirqs_off+0xb8/0x310 [ 312.539249] sched_show_task.cold.83+0x2b6/0x30a [ 312.543385] ? trace_hardirqs_off+0xb8/0x310 [ 312.545526] ? can_nice.part.74+0x20/0x20 [ 312.549926] __alloc_pages_slowpath+0x2667/0x2d80 [ 312.554672] ? vprintk_default+0x28/0x30 [ 312.559078] ? warn_alloc+0x120/0x120 [ 312.563203] ? vprintk_func+0x85/0x181 [ 312.568040] ? warn_alloc+0x120/0x120 [ 312.572091] ? vprintk_func+0x85/0x181 [ 312.575903] ? warn_alloc+0x120/0x120 [ 312.579777] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 312.583566] ? mark_held_locks+0x130/0x130 [ 312.587439] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 312.591231] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.596020] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.600245] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 312.604993] print_other_cpu_stall.cold.79+0xa83/0xba5 [ 312.610521] ? should_fail+0x22d/0xd01 [ 312.616091] ? print_cpu_stall+0x1c0/0x1c0 [ 312.621616] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 312.626884] ? is_bpf_text_address+0xac/0x170 [ 312.630758] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 312.634981] ? lock_downgrade+0x900/0x900 [ 312.640073] ? should_fail+0x22d/0xd01 [ 312.644563] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 312.650210] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 312.654343] ? rcu_test_sync_prims+0x30/0x30 [ 312.658219] ? should_fail+0x22d/0xd01 [ 312.664005] ? mark_held_locks+0x130/0x130 [ 312.669101] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 312.673501] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.677377] ? mark_held_locks+0x130/0x130 [ 312.681602] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.686692] ? mark_held_locks+0x130/0x130 [ 312.692217] ? check_preemption_disabled+0x48/0x200 [ 312.696446] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.701978] rcu_check_callbacks+0xafc/0x1990 [ 312.706200] ? trace_hardirqs_off+0xb8/0x310 [ 312.711206] ? rcu_cpu_stall_reset+0x220/0x220 [ 312.716735] ? kasan_check_read+0x11/0x20 [ 312.721219] ? lock_release+0x970/0x970 [ 312.725623] ? do_raw_spin_unlock+0xa7/0x2f0 [ 312.730197] ? mark_held_locks+0x130/0x130 [ 312.734338] ? trace_hardirqs_on+0x310/0x310 [ 312.738303] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.742699] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.746925] ? pvclock_gtod_notify+0x2e3/0x3e0 [ 312.751334] ? wq_watchdog_touch+0x9c/0xfe [ 312.756871] ? kvm_set_tsc_khz+0x540/0x540 [ 312.762399] ? io_serial_in+0x11/0x90 [ 312.766974] ? warn_alloc.cold.119+0xd1/0x1bd [ 312.771196] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.775421] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 312.779215] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 312.783698] ? notifier_call_chain+0x2d4/0x380 [ 312.789229] __alloc_pages_nodemask+0xa80/0xde0 [ 312.794753] ? timekeeping_advance+0x3cc/0xc00 [ 312.799848] ? should_fail+0x22d/0xd01 [ 312.804418] ? lock_downgrade+0x900/0x900 [ 312.809076] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 312.813645] ? lock_downgrade+0x900/0x900 [ 312.817535] ? ____cache_alloc_node+0x1c7/0x1e0 [ 312.821660] ? trace_hardirqs_off+0xb8/0x310 [ 312.826710] ? lock_downgrade+0x900/0x900 [ 312.830851] ? trace_hardirqs_off+0xb8/0x310 [ 312.835509] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.839910] ? memcpy+0x45/0x50 [ 312.844054] cache_grow_begin+0x91/0x8c0 [ 312.848453] ? trace_hardirqs_on+0x310/0x310 [ 312.854023] ? do_raw_spin_unlock+0xa7/0x2f0 [ 312.857289] ? check_preemption_disabled+0x48/0x200 [ 312.861340] fallback_alloc+0x203/0x2e0 [ 312.865737] ? raise_softirq+0x199/0x420 [ 312.870138] ____cache_alloc_node+0x1c7/0x1e0 [ 312.875146] ? raise_softirq_irqoff+0x2e0/0x2e0 [ 312.879108] kmem_cache_alloc_node+0xe3/0x730 [ 312.883160] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.887644] ? ipv6_get_ifaddr+0x42e/0x620 [ 312.892304] ? check_preemption_disabled+0x48/0x200 [ 312.896789] __alloc_skb+0x119/0x770 [ 312.902339] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 312.906563] ? skb_scrub_packet+0x490/0x490 [ 312.911568] ? hrtimer_run_queues+0x9a/0x400 [ 312.915276] ? lock_downgrade+0x900/0x900 [ 312.920819] ? run_local_timers+0x19b/0x230 [ 312.925140] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 312.929539] ? timer_clear_idle+0x90/0x90 [ 312.933679] ? refcount_sub_and_test_checked+0x203/0x310 [ 312.937991] ? debug_smp_processor_id+0x1c/0x20 [ 312.943520] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 312.947766] ? irqtime_account_process_tick.isra.6+0x114/0x490 [ 312.953204] ? addrconf_rs_timer+0x690/0x690 [ 312.957873] ? account_process_tick+0x282/0x350 [ 312.963317] ndisc_alloc_skb+0x144/0x340 [ 312.969291] update_process_times+0x2d/0x70 [ 312.973690] ndisc_send_rs+0x331/0x6e0 [ 312.978350] tick_sched_handle+0x9f/0x180 [ 312.982396] addrconf_rs_timer+0x314/0x690 [ 312.986709] tick_sched_timer+0x45/0x130 [ 312.990584] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 312.994721] __hrtimer_run_queues+0x41c/0x10d0 [ 312.998949] call_timer_fn+0x272/0x920 [ 313.002998] ? tick_sched_do_timer+0x1a0/0x1a0 [ 313.007221] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 313.011793] ? hrtimer_start_range_ns+0xe00/0xe00 [ 313.015689] ? process_timeout+0x40/0x40 [ 313.020259] ? pvclock_read_flags+0x160/0x160 [ 313.024484] ? trace_hardirqs_off+0xb8/0x310 [ 313.029321] ? trace_hardirqs_on+0x310/0x310 [ 313.033367] ? kasan_check_read+0x11/0x20 [ 313.037872] ? rcu_irq_exit+0xce/0x100 [ 313.042273] ? do_raw_spin_unlock+0xa7/0x2f0 [ 313.046675] ? kvm_clock_read+0x18/0x30 [ 313.050832] ? trace_hardirqs_on+0x310/0x310 [ 313.054711] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 313.059114] ? __run_timers+0x7da/0xc70 [ 313.063076] ? ktime_get_update_offsets_now+0x3b6/0x550 [ 313.067474] ? lock_downgrade+0x900/0x900 [ 313.072482] ? do_timer+0x50/0x50 [ 313.076452] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 313.082343] ? trace_hardirqs_on+0x310/0x310 [ 313.086483] ? trace_hardirqs_on+0xbd/0x310 [ 313.089928] ? do_raw_spin_lock+0xc1/0x200 [ 313.095018] ? kasan_check_read+0x11/0x20 [ 313.099414] hrtimer_interrupt+0x313/0x780 [ 313.103725] ? __run_timers+0x7da/0xc70 [ 313.107951] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.112092] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 313.116326] smp_apic_timer_interrupt+0x1a1/0x760 [ 313.120280] ? kasan_check_write+0x14/0x20 [ 313.125822] ? smp_call_function_single_interrupt+0x650/0x650 [ 313.131268] ? do_raw_spin_lock+0xc1/0x200 [ 313.136101] ? interrupt_entry+0xb5/0xf0 [ 313.140329] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 313.146203] ? trace_hardirqs_off_caller+0xbb/0x310 [ 313.150432] __run_timers+0x7e5/0xc70 [ 313.154487] ? ____cache_alloc_node+0x1c7/0x1e0 [ 313.158718] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 313.163725] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 313.167512] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 313.172172] ? trace_hardirqs_on_caller+0x310/0x310 [ 313.177526] ? timerqueue_add+0x207/0x2b0 [ 313.182364] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 313.187366] ? enqueue_hrtimer+0x1a5/0x560 [ 313.192372] apic_timer_interrupt+0xf/0x20 [ 313.196508] ? lock_release+0x970/0x970 [ 313.201348] RIP: 0010:kmem_cache_alloc_node+0x247/0x730 [ 313.205569] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 313.209813] Code: 3f 7e 0f 85 32 ff ff ff e8 c5 7e 3e ff e9 28 ff ff ff e8 2c e2 c2 ff 48 83 3d 7c f3 6f 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 62 23 [ 313.213782] ? kasan_check_write+0x14/0x20 [ 313.219149] RSP: 0000:ffff8801daf07450 EFLAGS: 00000286 [ 313.224332] ? pvclock_read_flags+0x160/0x160 [ 313.243218] ORIG_RAX: ffffffffffffff13 [ 313.247448] ? lock_downgrade+0x900/0x900 [ 313.252814] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffffff8184e1ca [ 313.257305] ? trace_hardirqs_on+0xbd/0x310 [ 313.261266] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 313.265412] ? kvm_sched_clock_read+0x9/0x20 [ 313.272671] RBP: ffff8801daf074c0 R08: ffff8801d838c080 R09: fffffbfff12812c4 [ 313.276985] ? irq_exit+0x17f/0x1c0 [ 313.284244] R10: ffff8801daf06098 R11: ffffffff89409623 R12: ffff8801d9be8800 [ 313.288648] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.295904] R13: ffff8801d9be8800 R14: 0000000000000000 R15: 0000000000000286 [ 313.299524] ? check_preemption_disabled+0x48/0x200 [ 313.306787] ? apic_timer_interrupt+0xa/0x20 [ 313.312331] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.319591] ? trace_hardirqs_on+0x9a/0x310 [ 313.324600] run_timer_softirq+0x52/0xb0 [ 313.328996] ? trace_hardirqs_on+0xb4/0x310 [ 313.334520] ? __this_cpu_preempt_check+0x1c/0x1f [ 313.338847] ? ipv6_get_ifaddr+0x42e/0x620 [ 313.342901] __do_softirq+0x30b/0xad8 [ 313.347213] __alloc_skb+0x119/0x770 [ 313.352047] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 313.356275] ? skb_scrub_packet+0x490/0x490 [ 313.360068] ? pvclock_read_flags+0x160/0x160 [ 313.363775] ? lock_downgrade+0x900/0x900 [ 313.368869] ? lapic_next_event+0x5a/0x90 [ 313.373184] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.377666] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.381821] ? refcount_sub_and_test_checked+0x203/0x310 [ 313.385962] ? clockevents_program_event+0x140/0x370 [ 313.391486] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 313.397013] ? kvm_clock_read+0x18/0x30 [ 313.402455] ? addrconf_rs_timer+0x690/0x690 [ 313.407546] ? kvm_sched_clock_read+0x9/0x20 [ 313.412990] ndisc_alloc_skb+0x144/0x340 [ 313.416953] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.421347] ndisc_send_rs+0x331/0x6e0 [ 313.425748] ? check_preemption_disabled+0x48/0x200 [ 313.429815] addrconf_rs_timer+0x314/0x690 [ 313.435353] irq_exit+0x17f/0x1c0 [ 313.439224] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 313.444235] smp_apic_timer_interrupt+0x1cb/0x760 [ 313.448464] call_timer_fn+0x272/0x920 [ 313.451905] ? smp_reschedule_interrupt+0x109/0x650 [ 313.456129] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 313.460960] ? smp_call_function_single_interrupt+0x650/0x650 [ 313.464848] ? process_timeout+0x40/0x40 [ 313.469879] ? interrupt_entry+0xb5/0xf0 [ 313.474268] ? trace_hardirqs_off+0xb8/0x310 [ 313.480140] ? trace_hardirqs_off_caller+0xbb/0x310 [ 313.484190] ? kasan_check_read+0x11/0x20 [ 313.488241] ? trace_hardirqs_off_caller+0xbb/0x310 [ 313.492638] ? do_raw_spin_unlock+0xa7/0x2f0 [ 313.497645] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 313.501779] ? trace_hardirqs_on+0x310/0x310 [ 313.506789] ? trace_hardirqs_on_caller+0x310/0x310 [ 313.511207] ? __run_timers+0x7da/0xc70 [ 313.516040] ? trace_hardirqs_on_caller+0x310/0x310 [ 313.520435] ? lock_downgrade+0x900/0x900 [ 313.525445] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.529414] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 313.534418] ? check_preemption_disabled+0x48/0x200 [ 313.538559] ? trace_hardirqs_on+0xbd/0x310 [ 313.544085] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 313.549177] ? kasan_check_read+0x11/0x20 [ 313.554186] apic_timer_interrupt+0xf/0x20 [ 313.558495] ? __run_timers+0x7da/0xc70 [ 313.563316] [ 313.563338] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 313.567471] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 313.571697] Code: 3f 7e 0f 85 32 ff ff ff e8 53 4a 3e ff e9 28 ff ff ff e8 ba ad c2 ff 48 83 3d 0a bf 6f 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 62 23 [ 313.575659] ? kasan_check_write+0x14/0x20 [ 313.577885] RSP: 0018:ffff88019a29f4a8 EFLAGS: 00000286 [ 313.583764] ? do_raw_spin_lock+0xc1/0x200 [ 313.589195] ORIG_RAX: ffffffffffffff13 [ 313.608094] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 313.612324] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000627e000 [ 313.617680] __run_timers+0x7e5/0xc70 [ 313.621898] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 313.625874] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 313.630090] RBP: ffff88019a29f520 R08: ffff8801ba14e480 R09: fffffbfff12720c0 [ 313.637360] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 313.641149] R10: ffff88019a29e0f0 R11: ffffffff89390603 R12: ffff8801da800ac0 [ 313.648416] ? timerqueue_add+0x207/0x2b0 [ 313.653763] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286 [ 313.661028] ? enqueue_hrtimer+0x1a5/0x560 [ 313.666034] ? trace_hardirqs_on+0xb4/0x310 [ 313.673295] ? lock_release+0x970/0x970 [ 313.677430] ? save_stack+0xa9/0xd0 [ 313.684691] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 313.688919] __kmalloc_node_track_caller+0x33/0x70 [ 313.693224] ? check_preemption_disabled+0x48/0x200 [ 313.697189] __kmalloc_reserve.isra.39+0xcc/0xe0 [ 313.700821] ? kasan_check_write+0x14/0x20 [ 313.706009] pskb_expand_head+0x230/0x10f0 [ 313.710930] ? pvclock_read_flags+0x160/0x160 [ 313.715935] ? lock_downgrade+0x900/0x900 [ 313.720679] ? lock_downgrade+0x900/0x900 [ 313.724948] ? check_preemption_disabled+0x48/0x200 [ 313.729174] ? trace_hardirqs_on+0xbd/0x310 [ 313.733654] ? memcpy+0x45/0x50 [ 313.737794] ? kvm_sched_clock_read+0x9/0x20 [ 313.741956] ? __copy_skb_header+0x350/0x6b0 [ 313.746961] ? irq_exit+0x17f/0x1c0 [ 313.751271] ? __pskb_copy_fclone+0xeb0/0xeb0 [ 313.754541] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.758936] ? skb_checksum+0x140/0x140 [ 313.763339] ? check_preemption_disabled+0x48/0x200 [ 313.766954] ? trace_hardirqs_on+0xbd/0x310 [ 313.771439] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.776961] ? skb_clone+0x1bb/0x500 [ 313.780928] run_timer_softirq+0x52/0xb0 [ 313.785935] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 313.790244] ? __this_cpu_preempt_check+0x1c/0x1f [ 313.795770] ? kasan_unpoison_shadow+0x35/0x50 [ 313.799475] __do_softirq+0x30b/0xad8 [ 313.803524] ? kasan_check_write+0x14/0x20 [ 313.808963] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 313.813793] ? __skb_clone+0x6c7/0xa00 [ 313.818384] ? pvclock_read_flags+0x160/0x160 [ 313.822177] ? __copy_skb_header+0x6b0/0x6b0 [ 313.826401] ? lapic_next_event+0x5a/0x90 [ 313.831499] ? kmem_cache_alloc+0x306/0x730 [ 313.835376] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.839870] skb_ensure_writable+0x3dd/0x640 [ 313.844269] ? clockevents_program_event+0x140/0x370 [ 313.848405] ? skb_cow_data+0xf10/0xf10 [ 313.852716] ? kvm_clock_read+0x18/0x30 [ 313.858239] ? check_preemption_disabled+0x48/0x200 [ 313.862730] ? kvm_sched_clock_read+0x9/0x20 [ 313.867842] ? __this_cpu_preempt_check+0x1c/0x1f [ 313.871825] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 313.875789] ? __bpf_redirect+0x54b/0xb20 [ 313.880830] ? check_preemption_disabled+0x48/0x200 [ 313.885234] ? __switch_to_asm+0x34/0x70 [ 313.890071] irq_exit+0x17f/0x1c0 [ 313.895594] bpf_clone_redirect+0x14a/0x490 [ 313.899735] smp_apic_timer_interrupt+0x1cb/0x760 [ 313.904741] bpf_prog_3d1649e183dc2cc1+0xca3/0x1000 [ 313.908790] ? smp_reschedule_interrupt+0x109/0x650 [ 313.912252] ? __sched_text_start+0x8/0x8 [ 313.916603] ? smp_call_function_single_interrupt+0x650/0x650 [ 313.921436] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 313.926441] ? interrupt_entry+0xb5/0xf0 [ 313.931450] ? retint_kernel+0x2d/0x2d [ 313.935590] ? trace_hardirqs_off_caller+0xbb/0x310 [ 313.941463] ? trace_hardirqs_on_caller+0xc0/0x310 [ 313.946209] ? trace_hardirqs_off_caller+0xbb/0x310 [ 313.950258] ? retint_kernel+0x2d/0x2d [ 313.954136] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 313.959141] ? trace_hardirqs_on_caller+0xc0/0x310 [ 313.964061] ? trace_hardirqs_on_caller+0x310/0x310 [ 313.969066] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 313.972945] ? trace_hardirqs_on_caller+0x310/0x310 [ 313.977775] ? trace_hardirqs_off+0x310/0x310 [ 313.982692] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 313.987696] ? retint_kernel+0x1b/0x2d [ 313.992441] ? check_preemption_disabled+0x48/0x200 [ 313.997445] ? lock_acquire+0x1ed/0x520 [ 314.001934] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 314.007458] ? bpf_test_run+0x3cb/0x780 [ 314.011342] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 314.016346] ? lock_downgrade+0x900/0x900 [ 314.020317] apic_timer_interrupt+0xf/0x20 [ 314.025850] ? lock_release+0x970/0x970 [ 314.029824] [ 314.034670] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 314.038820] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 314.043044] ? preempt_schedule_common+0x1f/0xd0 [ 314.047093] Code: 00 e8 97 f5 a3 f9 e8 d2 63 d3 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d 24 75 80 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d fa 74 [ 314.049335] ? preempt_schedule+0x4d/0x60 [ 314.055118] RSP: 0000:ffff8801bbdd6150 EFLAGS: 00000286 [ 314.060303] ? ___preempt_schedule+0x16/0x18 [ 314.065044] ORIG_RAX: ffffffffffffff13 [ 314.083985] ? bpf_test_run+0x25d/0x780 [ 314.088119] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 314.093477] ? netlink_diag_dump+0x2a0/0x2a0 [ 314.097871] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe740 [ 314.101851] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 314.105828] RBP: ffff8801bbdd6178 R08: ffff8801d838c080 R09: ffffed003b5e5979 [ 314.113135] ? bpf_test_init.isra.9+0x70/0x100 [ 314.117528] R10: ffffed003b5e5979 R11: ffff8801daf2cbcb R12: dffffc0000000000 [ 314.124795] ? bpf_prog_test_run_skb+0x634/0xb40 [ 314.130340] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 314.137603] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 314.142178] ? trace_hardirqs_on+0x9a/0x310 [ 314.149441] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 314.154184] ? trace_hardirqs_on+0xb4/0x310 [ 314.161449] ? fput+0x130/0x1a0 [ 314.166282] retint_kernel+0x1b/0x2d [ 314.170591] ? __bpf_prog_get+0x9b/0x290 [ 314.176119] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 314.180431] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 314.183701] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 21 17 fa 48 83 3d 99 9c 86 01 00 75 07 e8 9a 7f d3 f9 0f 0b e8 93 7f d3 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 21 17 fa 4c 8b 45 d0 e9 [ 314.187402] ? bpf_prog_test_run+0x130/0x1a0 [ 314.191448] RSP: 0000:ffff8801bbdd6238 EFLAGS: 00000293 [ 314.196717] ? __x64_sys_bpf+0x3d8/0x510 [ 314.201540] ORIG_RAX: ffffffffffffff02 [ 314.220437] ? bpf_prog_get+0x20/0x20 [ 314.224847] RAX: ffff8801d838c080 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 314.230207] ? __x64_sys_futex+0x4bc/0x6a0 [ 314.234248] RDX: 0000000000000000 RSI: ffffffff87ab55fd RDI: 0000000000000293 [ 314.238219] ? do_syscall_64+0x1b9/0x820 [ 314.242004] RBP: ffff8801bbdd6240 R08: ffff8801d838c080 R09: fffffbfff13d9700 [ 314.249274] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 314.253490] R10: fffffbfff13d9700 R11: 0000000000000003 R12: 0000000000000293 [ 314.260759] ? syscall_return_slowpath+0x5e0/0x5e0 [ 314.264827] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff8931f280 [ 314.272097] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 314.277447] ? trace_hardirqs_on+0x9a/0x310 [ 314.284708] ? trace_hardirqs_on_caller+0x310/0x310 [ 314.289624] ? arch_local_irq_restore+0x45/0x52 [ 314.296893] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 314.301726] dump_stack+0x26a/0x2b4 [ 314.306038] ? prepare_exit_to_usermode+0x291/0x3b0 [ 314.311043] ? dump_stack_print_info.cold.2+0x52/0x52 [ 314.315703] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 314.320715] ? mark_held_locks+0x130/0x130 [ 314.324333] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 314.329343] ? mark_held_locks+0x130/0x130 [ 314.334523] warn_alloc_show_mem: 1 callbacks suppressed [ 314.334527] Mem-Info: [ 314.339355] dump_header+0x27b/0xf72 [ 314.343593] active_anon:46475 inactive_anon:4207 isolated_anon:0 [ 314.343593] active_file:17 inactive_file:13 isolated_file:0 [ 314.343593] unevictable:0 dirty:0 writeback:0 unstable:0 [ 314.343593] slab_reclaimable:8782 slab_unreclaimable:1485678 [ 314.343593] mapped:8194 shmem:4214 pagetables:396 bounce:0 [ 314.343593] free:13756 free_pcp:276 free_cma:0 [ 314.348933] ? rcu_read_unlock+0x16/0x60 [ 314.353171] Node 0 active_anon:185900kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32776kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 314.358512] ? pagefault_out_of_memory+0x197/0x197 [ 314.360904] Node 0 [ 314.364639] ? mark_held_locks+0x130/0x130 [ 314.397613] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 314.401654] ? percpu_ref_put_many+0x13e/0x260 [ 314.429393] lowmem_reserve[]: [ 314.434325] ? mem_cgroup_charge_statistics+0x780/0x780 [ 314.436537] 0 [ 314.440773] ? mem_cgroup_iter+0x1f7/0x1160 [ 314.466255] 2819 [ 314.470848] ? mark_held_locks+0x130/0x130 [ 314.473933] 6323 [ 314.479298] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.481078] 6323 [ 314.485397] ? task_will_free_mem+0x239/0xb30 [ 314.491688] ? ___ratelimit+0x36f/0x655 [ 314.493733] Node 0 [ 314.499267] ? lock_downgrade+0x900/0x900 [ 314.501344] DMA32 free:25168kB min:30060kB low:37572kB high:45084kB active_anon:10240kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 314.505834] ? trace_hardirqs_on+0xbd/0x310 [ 314.509791] lowmem_reserve[]: [ 314.512048] ? kasan_check_read+0x11/0x20 [ 314.516177] 0 [ 314.543412] ? ___ratelimit+0x36f/0x655 [ 314.547714] 0 [ 314.550834] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 314.554965] 3503 [ 314.556767] ? trace_hardirqs_on+0x310/0x310 [ 314.560725] 3503 [ 314.562533] ? lock_downgrade+0x900/0x900 [ 314.570026] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 314.574415] Node 0 [ 314.576481] ? ___ratelimit+0xaa/0x655 [ 314.580636] Normal free:13948kB min:37352kB low:46688kB high:56024kB active_anon:175660kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5056kB pagetables:1584kB bounce:0kB free_pcp:856kB local_pcp:320kB free_cma:0kB [ 314.585709] ? idr_get_free+0xec0/0xec0 [ 314.587930] lowmem_reserve[]: [ 314.591835] ? kasan_check_write+0x14/0x20 [ 314.620270] 0 [ 314.624246] ? do_raw_spin_lock+0xc1/0x200 [ 314.627334] 0 [ 314.631567] oom_kill_process.cold.27+0x10/0x903 [ 314.633352] 0 [ 314.637582] ? lock_downgrade+0x900/0x900 [ 314.639385] 0 [ 314.644141] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 314.650072] ? oom_evaluate_task+0x540/0x540 [ 314.651862] Node 0 [ 314.657657] ? shrink_node+0x16b0/0x16b0 [ 314.662046] DMA: [ 314.664283] ? oom_unkillable_task+0x383/0x580 [ 314.668330] 1*4kB [ 314.670392] ? out_of_memory+0x974/0x1430 [ 314.674954] (U) [ 314.677103] ? lock_downgrade+0x900/0x900 [ 314.681233] 0*8kB [ 314.683213] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 314.687339] 0*16kB [ 314.689493] ? __cpuset_node_allowed+0x19b/0x660 [ 314.695273] 1*32kB [ 314.697512] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 314.702250] (U) [ 314.704486] ? oom_evaluate_task+0x302/0x540 [ 314.710008] 2*64kB [ 314.711981] out_of_memory+0xa84/0x1430 [ 314.716366] (U) [ 314.718602] ? oom_killer_disable+0x3a0/0x3a0 [ 314.722560] 1*128kB [ 314.724535] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 314.729010] (U) [ 314.731340] ? __mutex_add_waiter+0x2a0/0x2a0 [ 314.736265] 1*256kB [ 314.738238] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 314.742712] (U) [ 314.745039] ? find_next_bit+0x104/0x130 [ 314.750037] 0*512kB [ 314.752012] __alloc_pages_slowpath+0x2318/0x2d80 [ 314.756058] 1*1024kB [ 314.758395] ? warn_alloc+0x120/0x120 [ 314.763206] (U) [ 314.765624] ? __radix_tree_lookup+0x4c0/0x4c0 [ 314.769403] 1*2048kB [ 314.771381] ? find_get_entry+0x2f2/0xc40 [ 314.775941] (M) [ 314.778357] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 314.782486] 3*4096kB [ 314.784463] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 314.789369] (M) [ 314.791779] ? should_fail+0x22d/0xd01 [ 314.797299] = 15908kB [ 314.799283] ? ___might_sleep+0x1ed/0x300 [ 314.803150] Node 0 [ 314.805558] ? lock_release+0x970/0x970 [ 314.809685] DMA32: [ 314.811924] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 314.815882] 2*4kB [ 314.818119] ? debug_smp_processor_id+0x1c/0x20 [ 314.823203] (M) [ 314.825358] ? __might_sleep+0x95/0x190 [ 314.830008] 1*8kB [ 314.831982] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 314.835939] (M) [ 314.838182] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 314.843002] 2*16kB [ 314.844978] ? lock_downgrade+0x900/0x900 [ 314.849973] (M) [ 314.852212] ? ___might_sleep+0x1ed/0x300 [ 314.856344] 3*32kB [ 314.858323] ? lock_release+0x970/0x970 [ 314.862462] (MH) [ 314.864703] ? arch_local_save_flags+0x40/0x40 [ 314.868659] 5*64kB [ 314.870721] ? finish_task_switch+0x1f5/0x900 [ 314.875279] (MH) [ 314.877515] ? __might_sleep+0x95/0x190 [ 314.881993] 3*128kB [ 314.884053] __alloc_pages_nodemask+0xa80/0xde0 [ 314.888010] (M) [ 314.890337] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 314.894986] 5*256kB [ 314.896968] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 314.901966] (UMH) [ 314.904293] ? kasan_check_write+0x14/0x20 [ 314.910071] 5*512kB [ 314.912220] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 314.916437] (UMH) [ 314.918763] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 314.923416] 4*1024kB [ 314.925564] ? __do_page_cache_readahead+0x7ce/0x980 [ 314.931084] (UMH) [ 314.933496] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 314.938576] 2*2048kB [ 314.940727] alloc_pages_current+0x10c/0x210 [ 314.946765] (M) [ 314.949178] ? lock_downgrade+0x900/0x900 [ 314.953566] 3*4096kB [ 314.955540] __page_cache_alloc+0x38f/0x5b0 [ 314.959665] (M) [ 314.962080] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 314.966383] = 25168kB [ 314.968364] ? ext4_filemap_fault+0x82/0xad [ 314.974141] Node 0 [ 314.976554] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 314.980856] Normal: [ 314.983097] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 314.987748] 1081*4kB [ 314.990072] ? check_preemption_disabled+0x48/0x200 [ 314.995591] (UMEH) [ 314.997999] filemap_fault+0x1594/0x25f0 [ 315.003002] 387*8kB [ 315.005242] ? __lock_page_or_retry+0xa00/0xa00 [ 315.009283] (ME) [ 315.011611] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 315.016260] 152*16kB [ 315.018337] ? unwind_dump+0x190/0x190 [ 315.024114] (UME) [ 315.026527] ? is_bpf_text_address+0xd3/0x170 [ 315.030394] 54*32kB [ 315.032543] ? filemap_map_pages+0xdea/0x1980 [ 315.037018] (UME) [ 315.039356] ? find_get_pages_range_tag+0x1320/0x1320 [ 315.043855] 21*64kB [ 315.046005] ? save_stack+0xa9/0xd0 [ 315.051179] (UM) [ 315.053501] ? save_stack+0x43/0xd0 [ 315.057111] 0*128kB [ 315.059170] ? __kasan_slab_free+0x102/0x150 [ 315.062783] 0*256kB [ 315.065123] ? __sigqueue_free.part.27+0x7d/0xa0 [ 315.069512] 2*512kB [ 315.071850] ? __dequeue_signal+0x530/0x7d0 [ 315.076584] (U) [ 315.079392] ? dequeue_signal+0x26c/0x630 [ 315.079408] ? get_signal+0x3ec/0x1980 [ 315.083717] 0*1024kB [ 315.085695] ? do_signal+0x9c/0x21e0 [ 315.089846] 0*2048kB [ 315.093735] ? exit_to_usermode_loop+0x2e5/0x380 [ 315.096124] 0*4096kB [ 315.099847] ? mark_held_locks+0x130/0x130 [ 315.102239] = 13948kB [ 315.106994] ? trace_hardirqs_on+0x310/0x310 [ 315.109393] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 315.113617] ? lock_acquire+0x1ed/0x520 [ 315.116016] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 315.120415] ? ext4_filemap_fault+0x7a/0xad [ 315.129230] 4244 total pagecache pages [ 315.133198] ? lock_release+0x970/0x970 [ 315.141758] 0 pages in swap cache [ 315.146082] ? arch_local_save_flags+0x40/0x40 [ 315.149954] Swap cache stats: add 0, delete 0, find 0/0 [ 315.153925] ? mark_held_locks+0x130/0x130 [ 315.157362] Free swap = 0kB [ 315.161947] ? trace_hardirqs_off+0xb8/0x310 [ 315.167295] Total swap = 0kB [ 315.171535] ? down_read+0xb0/0x1d0 [ 315.174531] 1965979 pages RAM [ 315.178931] ? ext4_filemap_fault+0x7a/0xad [ 315.178946] ? __down_interruptible+0x700/0x700 [ 315.181958] 0 pages HighMem/MovableOnly [ 315.185585] ? kmem_cache_free+0x21a/0x290 [ 315.188674] 342307 pages reserved [ 315.193000] ? __sigqueue_free.part.27+0x7d/0xa0 [ 315.197649] 0 pages cma reserved [ 315.201621] ? __dequeue_signal+0xf9/0x7d0 [ 315.205913] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 315.209322] ext4_filemap_fault+0x82/0xad [ 315.209340] __do_fault+0x100/0x6b0 [ 315.214124] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 315.217452] ? print_bad_pte+0x6c0/0x6c0 [ 315.221666] syz-executor2 cpuset= [ 315.228159] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 315.232287] syz2 [ 315.235920] ? pmd_val+0x88/0x100 [ 315.246388] mems_allowed=0 [ 315.250445] ? add_mm_counter_fast+0xd0/0xd0 [ 315.253886] CPU: 0 PID: 7800 Comm: syz-executor2 Not tainted 4.19.0-rc6+ #119 [ 315.259411] ? pmd_val+0x88/0x100 [ 315.261373] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 315.264834] ? add_mm_counter_fast+0xd0/0xd0 [ 315.267748] Call Trace: [ 315.272154] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 315.279410] [ 315.282869] __handle_mm_fault+0x3709/0x53e0 [ 315.292212] dump_stack+0x1c4/0x2b4 [ 315.296615] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 315.299188] ? dump_stack_print_info.cold.2+0x52/0x52 [ 315.304712] ? kasan_check_write+0x14/0x20 [ 315.306875] warn_alloc.cold.119+0xb7/0x1bd [ 315.311269] ? do_raw_spin_lock+0xc1/0x200 [ 315.314887] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 315.319717] ? _raw_spin_unlock_irq+0x60/0x80 [ 315.324895] ? lock_downgrade+0x900/0x900 [ 315.329119] ? __set_current_blocked+0xe4/0x120 [ 315.333429] ? trace_hardirqs_off+0xb8/0x310 [ 315.337652] ? lock_acquire+0x1ed/0x520 [ 315.342483] ? trace_hardirqs_off+0xb8/0x310 [ 315.346968] ? handle_mm_fault+0x42a/0xc70 [ 315.351107] __alloc_pages_slowpath+0x2667/0x2d80 [ 315.355764] ? lock_downgrade+0x900/0x900 [ 315.360174] ? warn_alloc+0x120/0x120 [ 315.364131] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 315.368523] ? warn_alloc+0x120/0x120 [ 315.372755] ? __do_page_fault+0x67d/0xed0 [ 315.377588] ? warn_alloc+0x120/0x120 [ 315.381724] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 315.385514] ? mark_held_locks+0x130/0x130 [ 315.391305] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 315.395086] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.399308] ? check_preemption_disabled+0x48/0x200 [ 315.403098] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 315.408538] handle_mm_fault+0x54f/0xc70 [ 315.412763] ? should_fail+0x22d/0xd01 [ 315.418292] ? __handle_mm_fault+0x53e0/0x53e0 [ 315.423839] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 315.428875] ? find_vma+0x34/0x190 [ 315.434401] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 315.438457] __do_page_fault+0x67d/0xed0 [ 315.442332] ? should_fail+0x22d/0xd01 [ 315.446905] ? mm_fault_error+0x380/0x380 [ 315.451999] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 315.455532] ? syscall_slow_exit_work+0x520/0x520 [ 315.461059] ? should_fail+0x22d/0xd01 [ 315.465108] do_page_fault+0xf2/0x7e0 [ 315.468988] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 315.473126] ? vmalloc_sync_all+0x30/0x30 [ 315.478221] ? mark_held_locks+0x130/0x130 [ 315.483062] ? error_entry+0x70/0xd0 [ 315.486935] ? mark_held_locks+0x130/0x130 [ 315.490729] ? trace_hardirqs_off_caller+0xbb/0x310 [ 315.495844] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.499986] ? trace_hardirqs_on_caller+0xc0/0x310 [ 315.504214] ? trace_hardirqs_off+0xb8/0x310 [ 315.507923] ? syscall_return_slowpath+0x5e0/0x5e0 [ 315.512145] ? kasan_check_read+0x11/0x20 [ 315.517150] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 315.522679] ? do_raw_spin_unlock+0xa7/0x2f0 [ 315.527600] ? trace_hardirqs_on_caller+0x310/0x310 [ 315.531997] ? trace_hardirqs_on+0x310/0x310 [ 315.536916] ? trace_hardirqs_off+0x310/0x310 [ 315.541055] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.545893] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 315.550292] ? wq_watchdog_touch+0x9c/0xfe [ 315.555301] ? prepare_exit_to_usermode+0x291/0x3b0 [ 315.559699] ? io_serial_in+0x11/0x90 [ 315.564183] ? page_fault+0x8/0x30 [ 315.569712] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.574720] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 315.578987] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 315.583990] ? page_fault+0x8/0x30 [ 315.587822] __alloc_pages_nodemask+0xa80/0xde0 [ 315.591345] page_fault+0x1e/0x30 [ 315.596872] ? should_fail+0x22d/0xd01 [ 315.601705] RIP: 0033:0x45db60 [ 315.606818] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 315.610342] Code: Bad RIP value. [ 315.615012] ? ____cache_alloc_node+0x1c7/0x1e0 [ 315.618442] RSP: 002b:000000c420049ab8 EFLAGS: 00010286 [ 315.622329] ? lock_downgrade+0x900/0x900 [ 315.630519] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.633874] RAX: 0000000000000000 RBX: 000000c420026380 RCX: 000000000045ddf3 [ 315.638540] cache_grow_begin+0x91/0x8c0 [ 315.643889] RDX: 000000c420049ac0 RSI: 000000c420049bf0 RDI: 0000000000000011 [ 315.648035] ? do_raw_spin_unlock+0xa7/0x2f0 [ 315.653556] RBP: 000000c420022f08 R08: 0000000000000000 R09: 0000000000000000 [ 315.660843] fallback_alloc+0x203/0x2e0 [ 315.664890] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42005c168 [ 315.672162] ____cache_alloc_node+0x1c7/0x1e0 [ 315.676552] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000 [ 315.683842] kmem_cache_alloc_node+0xe3/0x730 [ 315.687830] rcu: rcu_preempt kthread starved for 10344 jiffies! g11681 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 315.695086] ? ipv6_get_ifaddr+0x42e/0x620 [ 315.699559] rcu: RCU grace-period kthread stack dump: [ 315.706849] __alloc_skb+0x119/0x770 [ 315.711327] rcu_preempt R [ 315.721829] ? skb_scrub_packet+0x490/0x490 [ 315.726046] running task [ 315.731237] ? lock_downgrade+0x900/0x900 [ 315.734936] 23272 10 2 0x80000000 [ 315.738036] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.742339] Call Trace: [ 315.745536] ? refcount_sub_and_test_checked+0x203/0x310 [ 315.749668] __schedule+0x86c/0x1ed0 [ 315.753827] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 315.759350] ? __sched_text_start+0x8/0x8 [ 315.761925] ? addrconf_rs_timer+0x690/0x690 [ 315.767366] ? __mod_timer+0x6f6/0x1870 [ 315.771081] ndisc_alloc_skb+0x144/0x340 [ 315.776522] ? add_timer_on+0x9f0/0x9f0 [ 315.780661] ndisc_send_rs+0x331/0x6e0 [ 315.785060] ? lock_downgrade+0x900/0x900 [ 315.789021] addrconf_rs_timer+0x314/0x690 [ 315.793077] ? trace_hardirqs_on+0xbd/0x310 [ 315.797043] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 315.800923] ? kasan_check_read+0x11/0x20 [ 315.805069] call_timer_fn+0x272/0x920 [ 315.809290] ? prepare_to_swait_event+0x25a/0x800 [ 315.813598] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 315.817839] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 315.821979] ? process_timeout+0x40/0x40 [ 315.825863] schedule+0xfe/0x460 [ 315.830696] ? trace_hardirqs_off+0xb8/0x310 [ 315.834921] ? __schedule+0x1ed0/0x1ed0 [ 315.840359] ? kasan_check_read+0x11/0x20 [ 315.844413] ? prepare_to_swait_event+0x25a/0x800 [ 315.847773] ? do_raw_spin_unlock+0xa7/0x2f0 [ 315.852168] ? __init_swait_queue_head+0x150/0x150 [ 315.856132] ? trace_hardirqs_on+0x310/0x310 [ 315.860269] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 315.865099] ? __run_timers+0x7da/0xc70 [ 315.869500] ? __lockdep_init_map+0x105/0x590 [ 315.874419] ? lock_downgrade+0x900/0x900 [ 315.878895] ? lockdep_init_map+0x9/0x10 [ 315.883989] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 315.887959] schedule_timeout+0x140/0x260 [ 315.892442] ? trace_hardirqs_on+0xbd/0x310 [ 315.896577] ? usleep_range+0x1a0/0x1a0 [ 315.900628] ? kasan_check_read+0x11/0x20 [ 315.905721] ? __next_timer_interrupt+0x1a0/0x1a0 [ 315.909860] ? __run_timers+0x7da/0xc70 [ 315.914172] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 315.918138] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 315.922276] rcu_gp_kthread+0x9d9/0x2310 [ 315.927105] ? kasan_check_write+0x14/0x20 [ 315.931078] ? rcu_gp_init+0x1830/0x1830 [ 315.936600] ? do_raw_spin_lock+0xc1/0x200 [ 315.942036] ? update_curr+0x344/0xbe0 [ 315.946088] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 315.950310] ? graph_lock+0x170/0x170 [ 315.954364] __run_timers+0x7e5/0xc70 [ 315.958585] ? __account_cfs_rq_runtime+0x790/0x790 [ 315.962469] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 315.966691] ? __lock_acquire+0x7ec/0x4ec0 [ 315.970487] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 315.974275] ? graph_lock+0x170/0x170 [ 315.979284] ? timerqueue_add+0x207/0x2b0 [ 315.984635] ? mark_held_locks+0x130/0x130 [ 315.988857] ? enqueue_hrtimer+0x1a5/0x560 [ 315.993867] ? __lock_is_held+0xb5/0x140 [ 315.997697] ? lock_release+0x970/0x970 [ 316.001847] ? __account_cfs_rq_runtime+0x790/0x790 [ 316.006074] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 316.010305] ? set_next_entity+0x2f0/0xaf0 [ 316.014351] ? kasan_check_write+0x14/0x20 [ 316.018322] ? mark_held_locks+0x130/0x130 [ 316.023453] ? pvclock_read_flags+0x160/0x160 [ 316.028634] ? rcu_read_lock_sched_held+0x108/0x120 [ 316.032863] ? lock_downgrade+0x900/0x900 [ 316.037091] ? update_load_avg+0x2470/0x2470 [ 316.041320] ? trace_hardirqs_on+0xbd/0x310 [ 316.045824] ? __enqueue_entity+0x10d/0x1f0 [ 316.050851] ? kvm_sched_clock_read+0x9/0x20 [ 316.054989] ? graph_lock+0x170/0x170 [ 316.059392] ? irq_exit+0x17f/0x1c0 [ 316.063699] ? match_held_lock+0x290/0x8d0 [ 316.068011] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.072406] ? graph_lock+0x170/0x170 [ 316.076199] ? check_preemption_disabled+0x48/0x200 [ 316.079832] ? match_held_lock+0x290/0x8d0 [ 316.084063] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.089593] ? match_held_lock+0x290/0x8d0 [ 316.093384] run_timer_softirq+0x52/0xb0 [ 316.098391] ? _raw_spin_unlock_irq+0x27/0x80 [ 316.102613] ? __this_cpu_preempt_check+0x1c/0x1f [ 316.108144] ? _raw_spin_unlock_irq+0x27/0x80 [ 316.112370] __do_softirq+0x30b/0xad8 [ 316.116425] ? lockdep_hardirqs_on+0x421/0x5c0 [ 316.120915] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 316.125750] ? trace_hardirqs_on+0xbd/0x310 [ 316.130233] ? pvclock_read_flags+0x160/0x160 [ 316.134020] ? kasan_check_read+0x11/0x20 [ 316.138591] ? lapic_next_event+0x5a/0x90 [ 316.143685] ? mark_held_locks+0x130/0x130 [ 316.147997] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.152479] ? audit_add_watch+0x481/0xdc0 [ 316.156618] ? clockevents_program_event+0x140/0x370 [ 316.160754] ? kasan_check_write+0x14/0x20 [ 316.164981] ? kvm_clock_read+0x18/0x30 [ 316.170512] ? finish_task_switch+0x2f5/0x900 [ 316.174734] ? kvm_sched_clock_read+0x9/0x20 [ 316.179845] ? __switch_to_asm+0x40/0x70 [ 316.184072] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.188041] ? preempt_notifier_register+0x200/0x200 [ 316.192524] ? check_preemption_disabled+0x48/0x200 [ 316.196922] ? __switch_to_asm+0x34/0x70 [ 316.200978] irq_exit+0x17f/0x1c0 [ 316.206501] ? __switch_to_asm+0x34/0x70 [ 316.211592] smp_apic_timer_interrupt+0x1cb/0x760 [ 316.216598] ? __switch_to_asm+0x40/0x70 [ 316.220648] ? smp_reschedule_interrupt+0x109/0x650 [ 316.224090] ? __switch_to_asm+0x40/0x70 [ 316.228141] ? smp_call_function_single_interrupt+0x650/0x650 [ 316.232974] ? __switch_to_asm+0x34/0x70 [ 316.237027] ? interrupt_entry+0xb5/0xf0 [ 316.242034] ? __switch_to_asm+0x40/0x70 [ 316.246084] ? trace_hardirqs_off_caller+0xbb/0x310 [ 316.251958] ? __switch_to_asm+0x34/0x70 [ 316.256010] ? trace_hardirqs_off_caller+0xbb/0x310 [ 316.260060] ? __switch_to_asm+0x34/0x70 [ 316.264115] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 316.269118] ? __switch_to_asm+0x40/0x70 [ 316.273167] ? trace_hardirqs_on_caller+0x310/0x310 [ 316.278171] ? __switch_to_asm+0x40/0x70 [ 316.282223] ? trace_hardirqs_on_caller+0x310/0x310 [ 316.287057] ? __switch_to_asm+0x34/0x70 [ 316.291112] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 316.296121] ? __switch_to_asm+0x40/0x70 [ 316.300168] ? check_preemption_disabled+0x48/0x200 [ 316.305173] ? __schedule+0x874/0x1ed0 [ 316.309225] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 316.314749] ? __switch_to_asm+0x40/0x70 [ 316.318818] apic_timer_interrupt+0xf/0x20 [ 316.323839] ? __switch_to_asm+0x40/0x70 [ 316.327709] [ 316.332547] ? graph_lock+0x170/0x170 [ 316.336605] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 316.340843] ? __sched_text_start+0x8/0x8 [ 316.344895] Code: 3f 7e 0f 85 32 ff ff ff e8 53 4a 3e ff e9 28 ff ff ff e8 ba ad c2 ff 48 83 3d 0a bf 6f 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 62 23 [ 316.347126] ? find_held_lock+0x36/0x1c0 [ 316.350913] RSP: 0018:ffff88019a29f4a8 EFLAGS: 00000286 [ 316.356794] ? __kthread_parkme+0xce/0x1a0 [ 316.360943] ORIG_RAX: ffffffffffffff13 [ 316.379859] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 316.383909] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000627e000 [ 316.389270] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 316.393487] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 316.397469] ? lockdep_hardirqs_on+0x421/0x5c0 [ 316.402556] RBP: ffff88019a29f520 R08: ffff8801ba14e480 R09: fffffbfff12720c0 [ 316.409836] ? trace_hardirqs_on+0xbd/0x310 [ 316.414926] R10: ffff88019a29e0f0 R11: ffffffff89390603 R12: ffff8801da800ac0 [ 316.422195] ? kasan_check_read+0x11/0x20 [ 316.426761] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286 [ 316.434025] ? __kthread_parkme+0xce/0x1a0 [ 316.438334] ? trace_hardirqs_on+0xb4/0x310 [ 316.445601] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 316.449738] ? save_stack+0xa9/0xd0 [ 316.457046] ? kasan_check_write+0x14/0x20 [ 316.461278] __kmalloc_node_track_caller+0x33/0x70 [ 316.465591] ? do_raw_spin_lock+0xc1/0x200 [ 316.471031] __kmalloc_reserve.isra.39+0xcc/0xe0 [ 316.474650] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 316.478880] pskb_expand_head+0x230/0x10f0 [ 316.483819] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 316.488046] ? lock_downgrade+0x900/0x900 [ 316.492791] ? __kthread_parkme+0xfb/0x1a0 [ 316.497957] ? check_preemption_disabled+0x48/0x200 [ 316.502183] kthread+0x35a/0x420 [ 316.507708] ? memcpy+0x45/0x50 [ 316.511864] ? rcu_gp_init+0x1830/0x1830 [ 316.516087] ? __copy_skb_header+0x350/0x6b0 [ 316.521097] ? kthread_bind+0x40/0x40 [ 316.524454] ? __pskb_copy_fclone+0xeb0/0xeb0 [ 316.527726] ret_from_fork+0x3a/0x50 [ 316.531779] ? skb_checksum+0x140/0x140 [ 316.536260] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 316.539967] ? trace_hardirqs_on+0xbd/0x310 [ 316.539985] ? skb_clone+0x1bb/0x500 [ 316.544510] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 316.548174] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 316.552129] syz-fuzzer cpuset= [ 316.558616] ? kasan_unpoison_shadow+0x35/0x50 [ 316.562919] / [ 316.566635] ? kasan_check_write+0x14/0x20 [ 316.576868] mems_allowed=0 [ 316.582316] ? __skb_clone+0x6c7/0xa00 [ 316.602797] ? __copy_skb_header+0x6b0/0x6b0 [ 316.607231] ? kmem_cache_alloc+0x306/0x730 [ 316.611562] skb_ensure_writable+0x3dd/0x640 [ 316.615979] ? skb_cow_data+0xf10/0xf10 [ 316.619955] ? check_preemption_disabled+0x48/0x200 [ 316.624979] ? __this_cpu_preempt_check+0x1c/0x1f [ 316.629842] ? __bpf_redirect+0x54b/0xb20 [ 316.633998] ? __switch_to_asm+0x34/0x70 [ 316.638067] bpf_clone_redirect+0x14a/0x490 [ 316.642400] bpf_prog_3d1649e183dc2cc1+0xca3/0x1000 [ 316.647421] ? __sched_text_start+0x8/0x8 [ 316.651576] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 316.656338] ? retint_kernel+0x2d/0x2d [ 316.660228] ? trace_hardirqs_on_caller+0xc0/0x310 [ 316.665162] ? retint_kernel+0x2d/0x2d [ 316.669052] ? trace_hardirqs_on_caller+0xc0/0x310 [ 316.673985] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 316.678743] ? trace_hardirqs_off+0x310/0x310 [ 316.683242] ? retint_kernel+0x1b/0x2d [ 316.687139] ? lock_acquire+0x1ed/0x520 [ 316.691120] ? bpf_test_run+0x3cb/0x780 [ 316.695101] ? lock_downgrade+0x900/0x900 [ 316.699252] ? lock_release+0x970/0x970 [ 316.703234] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 316.709037] ? preempt_schedule_common+0x1f/0xd0 [ 316.713795] ? preempt_schedule+0x4d/0x60 [ 316.717973] ? ___preempt_schedule+0x16/0x18 [ 316.722389] ? bpf_test_run+0x25d/0x780 [ 316.726371] ? netlink_diag_dump+0x2a0/0x2a0 [ 316.730783] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 316.736343] ? bpf_test_init.isra.9+0x70/0x100 [ 316.740932] ? bpf_prog_test_run_skb+0x634/0xb40 [ 316.745701] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 316.750548] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 316.756092] ? fput+0x130/0x1a0 [ 316.759380] ? __bpf_prog_get+0x9b/0x290 [ 316.763450] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 316.768294] ? bpf_prog_test_run+0x130/0x1a0 [ 316.772709] ? __x64_sys_bpf+0x3d8/0x510 [ 316.776772] ? bpf_prog_get+0x20/0x20 [ 316.780607] ? __x64_sys_futex+0x4bc/0x6a0 [ 316.784864] ? do_syscall_64+0x1b9/0x820 [ 316.788928] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 316.794305] ? syscall_return_slowpath+0x5e0/0x5e0 [ 316.799242] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 316.804087] ? trace_hardirqs_on_caller+0x310/0x310 [ 316.809150] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 316.814173] ? prepare_exit_to_usermode+0x291/0x3b0 [ 316.819197] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 316.824053] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 316.829435] CPU: 1 PID: 5806 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #119 [ 316.829437] Mem-Info: [ 316.829467] active_anon:46475 inactive_anon:4207 isolated_anon:0 [ 316.829467] active_file:17 inactive_file:13 isolated_file:0 [ 316.829467] unevictable:0 dirty:0 writeback:0 unstable:0 [ 316.829467] slab_reclaimable:8782 slab_unreclaimable:1485678 [ 316.829467] mapped:8194 shmem:4214 pagetables:396 bounce:0 [ 316.829467] free:13756 free_pcp:276 free_cma:0 [ 316.836454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 316.838899] Node 0 active_anon:185900kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32776kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 316.871845] Call Trace: [ 316.881192] Node 0 [ 316.909114] [ 316.911714] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 316.913929] dump_stack+0x1c4/0x2b4 [ 316.916060] lowmem_reserve[]: [ 316.941560] ? dump_stack_print_info.cold.2+0x52/0x52 [ 316.945165] 0 [ 316.948376] warn_alloc.cold.119+0xb7/0x1bd [ 316.953544] 2819 [ 316.955352] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 316.959652] 6323 [ 316.961718] ? lock_downgrade+0x900/0x900 [ 316.966541] 6323 [ 316.968605] ? trace_hardirqs_off+0xb8/0x310 [ 316.974797] ? trace_hardirqs_off+0xb8/0x310 [ 316.979205] Node 0 DMA32 free:25168kB min:30060kB low:37572kB high:45084kB active_anon:10240kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 316.983639] __alloc_pages_slowpath+0x2667/0x2d80 [ 316.983668] ? warn_alloc+0x120/0x120 [ 317.011484] lowmem_reserve[]: [ 317.016328] ? lock_release+0x970/0x970 [ 317.020110] 0 [ 317.023216] ? warn_alloc+0x120/0x120 [ 317.027172] 0 [ 317.028976] ? trace_hardirqs_on+0x310/0x310 [ 317.032754] 3503 [ 317.034563] ? warn_alloc+0x120/0x120 [ 317.038953] 3503 [ 317.041018] ? mark_held_locks+0x130/0x130 [ 317.046879] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.051097] Node 0 [ 317.056627] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 317.056658] Normal free:13948kB min:37352kB low:46688kB high:56024kB active_anon:175660kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5056kB pagetables:1584kB bounce:0kB free_pcp:856kB local_pcp:320kB free_cma:0kB [ 317.056665] lowmem_reserve[]: [ 317.058906] ? should_fail+0x22d/0xd01 [ 317.064423] 0 [ 317.093422] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 317.096513] 0 [ 317.100398] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 317.102185] 0 [ 317.107289] ? should_fail+0x22d/0xd01 [ 317.109073] 0 [ 317.114608] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 317.120279] ? should_fail+0x22d/0xd01 [ 317.122066] Node 0 [ 317.127168] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 317.131035] DMA: [ 317.133273] ? mark_held_locks+0x130/0x130 [ 317.138361] 1*4kB [ 317.140423] ? mark_held_locks+0x130/0x130 [ 317.144637] (U) [ 317.146787] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.151022] 0*8kB [ 317.152998] ? trace_hardirqs_off+0xb8/0x310 [ 317.158515] 0*16kB [ 317.160662] ? kasan_check_read+0x11/0x20 [ 317.165050] 1*32kB [ 317.167288] ? do_raw_spin_unlock+0xa7/0x2f0 [ 317.171416] (U) [ 317.173654] ? trace_hardirqs_on+0x310/0x310 [ 317.178042] 2*64kB [ 317.180027] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.184413] (U) [ 317.186650] ? wq_watchdog_touch+0x9c/0xfe [ 317.192168] 1*128kB [ 317.194145] ? io_serial_in+0x11/0x90 [ 317.198355] (U) [ 317.200678] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.204457] 1*256kB [ 317.206432] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 317.211945] (U) [ 317.214276] __alloc_pages_nodemask+0xa80/0xde0 [ 317.219353] 0*512kB [ 317.221328] ? should_fail+0x22d/0xd01 [ 317.225977] 1*1024kB [ 317.228302] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 317.232170] (U) [ 317.234589] ? ____cache_alloc_node+0x1c7/0x1e0 [ 317.239576] 1*2048kB [ 317.241548] ? lock_downgrade+0x900/0x900 [ 317.246199] (M) [ 317.248615] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.252744] 3*4096kB [ 317.254722] cache_grow_begin+0x91/0x8c0 [ 317.260241] (M) [ 317.262653] ? do_raw_spin_unlock+0xa7/0x2f0 [ 317.266692] = 15908kB [ 317.268672] fallback_alloc+0x203/0x2e0 [ 317.273064] Node 0 [ 317.275474] ____cache_alloc_node+0x1c7/0x1e0 [ 317.279427] DMA32: [ 317.281664] kmem_cache_alloc_node+0xe3/0x730 [ 317.286141] 2*4kB [ 317.288381] ? ipv6_get_ifaddr+0x42e/0x620 [ 317.292860] (M) [ 317.295011] __alloc_skb+0x119/0x770 [ 317.299231] 1*8kB [ 317.301203] ? skb_scrub_packet+0x490/0x490 [ 317.304900] (M) [ 317.307047] ? lock_downgrade+0x900/0x900 [ 317.311348] 2*16kB [ 317.313330] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.317455] (M) [ 317.319691] ? refcount_sub_and_test_checked+0x203/0x310 [ 317.325209] 3*32kB [ 317.327183] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 317.332615] (MH) [ 317.334870] ? addrconf_rs_timer+0x690/0x690 [ 317.340305] 5*64kB [ 317.342374] ndisc_alloc_skb+0x144/0x340 [ 317.346763] (MH) [ 317.349002] ndisc_send_rs+0x331/0x6e0 [ 317.353044] 3*128kB [ 317.355109] addrconf_rs_timer+0x314/0x690 [ 317.358976] (M) [ 317.361339] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 317.365560] 5*256kB [ 317.367538] call_timer_fn+0x272/0x920 [ 317.371751] (UMH) [ 317.374072] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 317.377942] 5*512kB [ 317.380091] ? process_timeout+0x40/0x40 [ 317.384305] (UMH) [ 317.386634] ? trace_hardirqs_off+0xb8/0x310 [ 317.390676] 4*1024kB [ 317.392830] ? kasan_check_read+0x11/0x20 [ 317.392847] ? do_raw_spin_unlock+0xa7/0x2f0 [ 317.397240] (UMH) [ 317.399652] ? trace_hardirqs_on+0x310/0x310 [ 317.403778] 2*2048kB [ 317.408228] ? __run_timers+0x7da/0xc70 [ 317.410364] (M) [ 317.414770] ? lock_downgrade+0x900/0x900 [ 317.417163] 3*4096kB [ 317.421137] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 317.423096] (M) [ 317.427242] ? trace_hardirqs_on+0xbd/0x310 [ 317.429636] = 25168kB [ 317.434733] ? kasan_check_read+0x11/0x20 [ 317.436692] Node 0 [ 317.441012] ? __run_timers+0x7da/0xc70 [ 317.443402] Normal: [ 317.447551] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 317.449773] 1081*4kB [ 317.453741] ? kasan_check_write+0x14/0x20 [ 317.456048] (UMEH) [ 317.461498] ? do_raw_spin_lock+0xc1/0x200 [ 317.463894] 387*8kB [ 317.468127] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 317.470358] (ME) [ 317.474589] __run_timers+0x7e5/0xc70 [ 317.476897] 152*16kB [ 317.481134] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 317.483175] (UME) [ 317.486973] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 317.489364] 54*32kB [ 317.494723] ? timerqueue_add+0x207/0x2b0 [ 317.496867] (UME) [ 317.501881] ? enqueue_hrtimer+0x1a5/0x560 [ 317.504187] 21*64kB [ 317.508334] ? lock_release+0x970/0x970 [ 317.510469] (UM) [ 317.514705] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 317.517009] 0*128kB 0*256kB [ 317.520993] ? check_preemption_disabled+0x48/0x200 [ 317.523039] 2*512kB [ 317.528228] ? kasan_check_write+0x14/0x20 [ 317.531230] (U) [ 317.536244] ? pvclock_read_flags+0x160/0x160 [ 317.538553] 0*1024kB [ 317.542784] ? lock_downgrade+0x900/0x900 [ 317.544747] 0*2048kB [ 317.549245] ? trace_hardirqs_on+0xbd/0x310 [ 317.551638] 0*4096kB [ 317.555786] ? kvm_sched_clock_read+0x9/0x20 [ 317.558178] = 13948kB [ 317.562499] ? irq_exit+0x17f/0x1c0 [ 317.564898] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 317.569302] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.571696] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 317.575322] ? check_preemption_disabled+0x48/0x200 [ 317.584138] 4244 total pagecache pages [ 317.589672] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.598230] 0 pages in swap cache [ 317.603247] run_timer_softirq+0x52/0xb0 [ 317.607117] Swap cache stats: add 0, delete 0, find 0/0 [ 317.612645] ? __this_cpu_preempt_check+0x1c/0x1f [ 317.616081] Free swap = 0kB [ 317.620140] __do_softirq+0x30b/0xad8 [ 317.625482] Total swap = 0kB [ 317.630327] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 317.633317] 1965979 pages RAM [ 317.633325] 0 pages HighMem/MovableOnly [ 317.637123] ? pvclock_read_flags+0x160/0x160 [ 317.640123] 342307 pages reserved [ 317.645226] ? lapic_next_event+0x5a/0x90 [ 317.648313] 0 pages cma reserved [ 317.652299] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.656841] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 317.660226] ? clockevents_program_event+0x140/0x370 [ 317.660242] ? kvm_clock_read+0x18/0x30 [ 317.660258] ? kvm_sched_clock_read+0x9/0x20 [ 317.664439] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 317.667763] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 317.673285] syz-executor2 cpuset= [ 317.679779] ? check_preemption_disabled+0x48/0x200 [ 317.684868] syz2 [ 317.688856] irq_exit+0x17f/0x1c0 [ 317.693246] mems_allowed=0 [ 317.703732] smp_apic_timer_interrupt+0x1cb/0x760 [ 317.730879] ? smp_reschedule_interrupt+0x109/0x650 [ 317.735903] ? smp_call_function_single_interrupt+0x650/0x650 [ 317.741791] ? interrupt_entry+0xb5/0xf0 [ 317.745884] ? trace_hardirqs_off_caller+0xbb/0x310 [ 317.750911] ? trace_hardirqs_off_caller+0xbb/0x310 [ 317.755934] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 317.760782] ? trace_hardirqs_on_caller+0x310/0x310 [ 317.765832] ? trace_hardirqs_on_caller+0x310/0x310 [ 317.770875] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 317.776417] ? check_preemption_disabled+0x48/0x200 [ 317.781441] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 317.786988] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 317.791857] apic_timer_interrupt+0xf/0x20 [ 317.796094] [ 317.798346] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 317.803541] Code: 00 e8 97 f5 a3 f9 e8 d2 63 d3 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d 24 75 80 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d fa 74 [ 317.822448] RSP: 0000:ffff8801bbdd6150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 317.830161] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 317.837430] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe740 [ 317.844700] RBP: ffff8801bbdd6178 R08: ffff8801d838c080 R09: ffffed003b5e5979 [ 317.851973] R10: ffffed003b5e5979 R11: ffff8801daf2cbcb R12: dffffc0000000000 [ 317.859243] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 317.866525] ? trace_hardirqs_on+0x9a/0x310 [ 317.870865] ? trace_hardirqs_on+0xb4/0x310 [ 317.875199] retint_kernel+0x1b/0x2d [ 317.878924] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 317.884202] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 21 17 fa 48 83 3d 99 9c 86 01 00 75 07 e8 9a 7f d3 f9 0f 0b e8 93 7f d3 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 21 17 fa 4c 8b 45 d0 e9 [ 317.903148] RSP: 0000:ffff8801bbdd6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 317.910861] RAX: ffff8801d838c080 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 317.918131] RDX: 0000000000000000 RSI: ffffffff87ab55fd RDI: 0000000000000293 [ 317.925401] RBP: ffff8801bbdd6240 R08: ffff8801d838c080 R09: fffffbfff13d9700 [ 317.932674] R10: fffffbfff13d9700 R11: 0000000000000003 R12: 0000000000000293 [ 317.939949] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff8931f280 [ 317.947237] ? trace_hardirqs_on+0x9a/0x310 [ 317.951563] ? arch_local_irq_restore+0x45/0x52 [ 317.956248] dump_stack+0x26a/0x2b4 [ 317.959883] ? dump_stack_print_info.cold.2+0x52/0x52 [ 317.965080] ? mark_held_locks+0x130/0x130 [ 317.969326] ? mark_held_locks+0x130/0x130 [ 317.973569] dump_header+0x27b/0xf72 [ 317.977288] ? rcu_read_unlock+0x16/0x60 [ 317.981361] ? pagefault_out_of_memory+0x197/0x197 [ 317.986301] ? mark_held_locks+0x130/0x130 [ 317.990547] ? percpu_ref_put_many+0x13e/0x260 [ 317.995132] ? mem_cgroup_charge_statistics+0x780/0x780 [ 318.000510] ? mem_cgroup_iter+0x1f7/0x1160 [ 318.004851] ? mark_held_locks+0x130/0x130 [ 318.009093] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.014635] ? task_will_free_mem+0x239/0xb30 [ 318.019232] ? ___ratelimit+0x36f/0x655 [ 318.023216] ? lock_downgrade+0x900/0x900 [ 318.027377] ? trace_hardirqs_on+0xbd/0x310 [ 318.031699] ? kasan_check_read+0x11/0x20 [ 318.035863] ? ___ratelimit+0x36f/0x655 [ 318.039852] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 318.045322] ? trace_hardirqs_on+0x310/0x310 [ 318.049734] ? lock_downgrade+0x900/0x900 [ 318.053984] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 318.059090] ? ___ratelimit+0xaa/0x655 [ 318.062982] ? idr_get_free+0xec0/0xec0 [ 318.066962] ? kasan_check_write+0x14/0x20 [ 318.071203] ? do_raw_spin_lock+0xc1/0x200 [ 318.075447] oom_kill_process.cold.27+0x10/0x903 [ 318.080206] ? lock_downgrade+0x900/0x900 [ 318.084364] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 318.090167] ? oom_evaluate_task+0x540/0x540 [ 318.094585] ? shrink_node+0x16b0/0x16b0 [ 318.098654] ? oom_unkillable_task+0x383/0x580 [ 318.103245] ? out_of_memory+0x974/0x1430 [ 318.107396] ? lock_downgrade+0x900/0x900 [ 318.111557] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 318.117358] ? __cpuset_node_allowed+0x19b/0x660 [ 318.122124] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 318.127665] ? oom_evaluate_task+0x302/0x540 [ 318.132079] out_of_memory+0xa84/0x1430 [ 318.136066] ? oom_killer_disable+0x3a0/0x3a0 [ 318.140569] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 318.145505] ? __mutex_add_waiter+0x2a0/0x2a0 [ 318.150004] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 318.155022] ? find_next_bit+0x104/0x130 [ 318.159097] __alloc_pages_slowpath+0x2318/0x2d80 [ 318.163966] ? warn_alloc+0x120/0x120 [ 318.167770] ? __radix_tree_lookup+0x4c0/0x4c0 [ 318.172381] ? find_get_entry+0x2f2/0xc40 [ 318.176540] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 318.181477] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 318.187020] ? should_fail+0x22d/0xd01 [ 318.190913] ? ___might_sleep+0x1ed/0x300 [ 318.195064] ? lock_release+0x970/0x970 [ 318.199046] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 318.204155] ? debug_smp_processor_id+0x1c/0x20 [ 318.208852] ? __might_sleep+0x95/0x190 [ 318.212853] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 318.217706] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 318.222737] ? lock_downgrade+0x900/0x900 [ 318.226895] ? ___might_sleep+0x1ed/0x300 [ 318.231045] ? lock_release+0x970/0x970 [ 318.235029] ? arch_local_save_flags+0x40/0x40 [ 318.239618] ? finish_task_switch+0x1f5/0x900 [ 318.244124] ? __might_sleep+0x95/0x190 [ 318.248110] __alloc_pages_nodemask+0xa80/0xde0 [ 318.252791] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 318.257846] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 318.263647] ? kasan_check_write+0x14/0x20 [ 318.267889] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 318.272568] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.278106] ? __do_page_cache_readahead+0x7ce/0x980 [ 318.283222] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 318.288769] alloc_pages_current+0x10c/0x210 [ 318.293181] ? lock_downgrade+0x900/0x900 [ 318.297342] __page_cache_alloc+0x38f/0x5b0 [ 318.301668] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 318.307470] ? ext4_filemap_fault+0x82/0xad [ 318.311798] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 318.316489] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 318.322032] ? check_preemption_disabled+0x48/0x200 [ 318.327054] filemap_fault+0x1594/0x25f0 [ 318.331128] ? __lock_page_or_retry+0xa00/0xa00 [ 318.335822] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 318.341629] ? unwind_dump+0x190/0x190 [ 318.345529] ? is_bpf_text_address+0xd3/0x170 [ 318.350035] ? filemap_map_pages+0xdea/0x1980 [ 318.354548] ? find_get_pages_range_tag+0x1320/0x1320 [ 318.359742] ? save_stack+0xa9/0xd0 [ 318.363373] ? save_stack+0x43/0xd0 [ 318.367004] ? __kasan_slab_free+0x102/0x150 [ 318.371421] ? __sigqueue_free.part.27+0x7d/0xa0 [ 318.376183] ? __dequeue_signal+0x530/0x7d0 [ 318.380512] ? dequeue_signal+0x26c/0x630 [ 318.384665] ? get_signal+0x3ec/0x1980 [ 318.388555] ? do_signal+0x9c/0x21e0 [ 318.392275] ? exit_to_usermode_loop+0x2e5/0x380 [ 318.397042] ? mark_held_locks+0x130/0x130 [ 318.401282] ? trace_hardirqs_on+0x310/0x310 [ 318.405701] ? lock_acquire+0x1ed/0x520 [ 318.409678] ? ext4_filemap_fault+0x7a/0xad [ 318.414009] ? lock_release+0x970/0x970 [ 318.417988] ? arch_local_save_flags+0x40/0x40 [ 318.422573] ? mark_held_locks+0x130/0x130 [ 318.426829] ? trace_hardirqs_off+0xb8/0x310 [ 318.431250] ? down_read+0xb0/0x1d0 [ 318.434883] ? ext4_filemap_fault+0x7a/0xad [ 318.439211] ? __down_interruptible+0x700/0x700 [ 318.443885] ? kmem_cache_free+0x21a/0x290 [ 318.448130] ? __sigqueue_free.part.27+0x7d/0xa0 [ 318.452892] ? __dequeue_signal+0xf9/0x7d0 [ 318.457140] ext4_filemap_fault+0x82/0xad [ 318.461299] __do_fault+0x100/0x6b0 [ 318.464937] ? print_bad_pte+0x6c0/0x6c0 [ 318.469006] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 318.474546] ? pmd_val+0x88/0x100 [ 318.478004] ? add_mm_counter_fast+0xd0/0xd0 [ 318.482419] ? pmd_val+0x88/0x100 [ 318.485881] ? add_mm_counter_fast+0xd0/0xd0 [ 318.490294] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 318.495858] __handle_mm_fault+0x3709/0x53e0 [ 318.500280] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 318.505131] ? kasan_check_write+0x14/0x20 [ 318.509375] ? do_raw_spin_lock+0xc1/0x200 [ 318.513621] ? _raw_spin_unlock_irq+0x60/0x80 [ 318.518122] ? __set_current_blocked+0xe4/0x120 [ 318.522823] ? lock_acquire+0x1ed/0x520 [ 318.526826] ? handle_mm_fault+0x42a/0xc70 [ 318.531068] ? lock_downgrade+0x900/0x900 [ 318.535231] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 318.541034] ? __do_page_fault+0x67d/0xed0 [ 318.545273] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 318.550732] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 318.556277] ? check_preemption_disabled+0x48/0x200 [ 318.561302] handle_mm_fault+0x54f/0xc70 [ 318.565376] ? __handle_mm_fault+0x53e0/0x53e0 [ 318.569966] ? find_vma+0x34/0x190 [ 318.573515] __do_page_fault+0x67d/0xed0 [ 318.577589] ? mm_fault_error+0x380/0x380 [ 318.581744] ? syscall_slow_exit_work+0x520/0x520 [ 318.586596] do_page_fault+0xf2/0x7e0 [ 318.590406] ? vmalloc_sync_all+0x30/0x30 [ 318.594559] ? error_entry+0x70/0xd0 [ 318.598281] ? trace_hardirqs_off_caller+0xbb/0x310 [ 318.603306] ? trace_hardirqs_on_caller+0xc0/0x310 [ 318.608245] ? syscall_return_slowpath+0x5e0/0x5e0 [ 318.613182] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 318.618029] ? trace_hardirqs_on_caller+0x310/0x310 [ 318.623046] ? trace_hardirqs_off+0x310/0x310 [ 318.627545] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 318.632572] ? prepare_exit_to_usermode+0x291/0x3b0 [ 318.637592] ? page_fault+0x8/0x30 [ 318.641139] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 318.645988] ? page_fault+0x8/0x30 [ 318.649540] page_fault+0x1e/0x30 [ 318.652999] RIP: 0033:0x45db60 [ 318.656201] Code: Bad RIP value. [ 318.659563] RSP: 002b:000000c420049ab8 EFLAGS: 00010286 [ 318.664929] RAX: 0000000000000000 RBX: 000000c420026380 RCX: 000000000045ddf3 [ 318.672204] RDX: 000000c420049ac0 RSI: 000000c420049bf0 RDI: 0000000000000011 [ 318.679478] RBP: 000000c420022f08 R08: 0000000000000000 R09: 0000000000000000 [ 318.686752] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42005c168 [ 318.694024] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000 [ 318.701313] CPU: 0 PID: 7800 Comm: syz-executor2 Not tainted 4.19.0-rc6+ #119 [ 318.701365] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 318.708591] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 318.708595] Call Trace: [ 318.708601] [ 318.708617] dump_stack+0x1c4/0x2b4 [ 318.708633] ? dump_stack_print_info.cold.2+0x52/0x52 [ 318.715155] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 318.724469] warn_alloc.cold.119+0xb7/0x1bd [ 318.727036] syz-fuzzer cpuset= [ 318.729185] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 318.732791] / [ 318.738000] ? lock_downgrade+0x900/0x900 [ 318.748293] mems_allowed=0 [ 318.752610] ? trace_hardirqs_off+0xb8/0x310 [ 318.773853] ? trace_hardirqs_off+0xb8/0x310 [ 318.778282] __alloc_pages_slowpath+0x2667/0x2d80 [ 318.783145] ? warn_alloc+0x120/0x120 [ 318.786957] ? warn_alloc+0x120/0x120 [ 318.790765] ? warn_alloc+0x120/0x120 [ 318.794574] ? mark_held_locks+0x130/0x130 [ 318.798836] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.804398] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 318.809945] ? should_fail+0x22d/0xd01 [ 318.813855] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 318.818962] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 318.824501] ? should_fail+0x22d/0xd01 [ 318.828397] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 318.833504] ? should_fail+0x22d/0xd01 [ 318.837401] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 318.842508] ? mark_held_locks+0x130/0x130 [ 318.846750] ? mark_held_locks+0x130/0x130 [ 318.850991] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.856533] ? trace_hardirqs_off+0xb8/0x310 [ 318.860946] ? kasan_check_read+0x11/0x20 [ 318.865105] ? do_raw_spin_unlock+0xa7/0x2f0 [ 318.869517] ? trace_hardirqs_on+0x310/0x310 [ 318.873929] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.879469] ? wq_watchdog_touch+0x9c/0xfe [ 318.883713] ? io_serial_in+0x11/0x90 [ 318.887518] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.893062] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 318.898177] __alloc_pages_nodemask+0xa80/0xde0 [ 318.902857] ? should_fail+0x22d/0xd01 [ 318.906753] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 318.911790] ? ____cache_alloc_node+0x1c7/0x1e0 [ 318.916482] ? lock_downgrade+0x900/0x900 [ 318.920639] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.926187] cache_grow_begin+0x91/0x8c0 [ 318.930258] ? do_raw_spin_unlock+0xa7/0x2f0 [ 318.934674] fallback_alloc+0x203/0x2e0 [ 318.938660] ____cache_alloc_node+0x1c7/0x1e0 [ 318.943161] kmem_cache_alloc_node+0xe3/0x730 [ 318.948160] ? ipv6_get_ifaddr+0x42e/0x620 [ 318.952408] __alloc_skb+0x119/0x770 [ 318.956132] ? skb_scrub_packet+0x490/0x490 [ 318.960461] ? lock_downgrade+0x900/0x900 [ 318.964617] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 318.970164] ? refcount_sub_and_test_checked+0x203/0x310 [ 318.975622] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 318.981079] ? addrconf_rs_timer+0x690/0x690 [ 318.985497] ndisc_alloc_skb+0x144/0x340 [ 318.989562] ndisc_send_rs+0x331/0x6e0 [ 318.993461] addrconf_rs_timer+0x314/0x690 [ 318.997705] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 319.001954] call_timer_fn+0x272/0x920 [ 319.005850] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 319.010089] ? process_timeout+0x40/0x40 [ 319.014158] ? trace_hardirqs_off+0xb8/0x310 [ 319.018570] ? kasan_check_read+0x11/0x20 [ 319.022724] ? do_raw_spin_unlock+0xa7/0x2f0 [ 319.027138] ? trace_hardirqs_on+0x310/0x310 [ 319.031640] ? __run_timers+0x7da/0xc70 [ 319.035622] ? lock_downgrade+0x900/0x900 [ 319.039780] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 319.044909] ? trace_hardirqs_on+0xbd/0x310 [ 319.049236] ? kasan_check_read+0x11/0x20 [ 319.053390] ? __run_timers+0x7da/0xc70 [ 319.057371] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 319.062842] ? kasan_check_write+0x14/0x20 [ 319.067082] ? do_raw_spin_lock+0xc1/0x200 [ 319.071464] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 319.075705] __run_timers+0x7e5/0xc70 [ 319.079520] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 319.084893] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 319.089917] ? timerqueue_add+0x207/0x2b0 [ 319.094076] ? enqueue_hrtimer+0x1a5/0x560 [ 319.098312] ? lock_release+0x970/0x970 [ 319.102292] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 319.107492] ? kasan_check_write+0x14/0x20 [ 319.111736] ? pvclock_read_flags+0x160/0x160 [ 319.116240] ? lock_downgrade+0x900/0x900 [ 319.120400] ? trace_hardirqs_on+0xbd/0x310 [ 319.124724] ? kvm_sched_clock_read+0x9/0x20 [ 319.129139] ? irq_exit+0x17f/0x1c0 [ 319.132775] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.138334] ? check_preemption_disabled+0x48/0x200 [ 319.143358] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.148905] run_timer_softirq+0x52/0xb0 [ 319.152973] ? __this_cpu_preempt_check+0x1c/0x1f [ 319.157837] __do_softirq+0x30b/0xad8 [ 319.161655] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 319.166764] ? pvclock_read_flags+0x160/0x160 [ 319.171266] ? lapic_next_event+0x5a/0x90 [ 319.175420] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.180965] ? clockevents_program_event+0x140/0x370 [ 319.186076] ? kvm_clock_read+0x18/0x30 [ 319.190056] ? kvm_sched_clock_read+0x9/0x20 [ 319.194469] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.200009] ? check_preemption_disabled+0x48/0x200 [ 319.205034] irq_exit+0x17f/0x1c0 [ 319.208495] smp_apic_timer_interrupt+0x1cb/0x760 [ 319.213339] ? smp_reschedule_interrupt+0x109/0x650 [ 319.218361] ? smp_call_function_single_interrupt+0x650/0x650 [ 319.224250] ? interrupt_entry+0xb5/0xf0 [ 319.228318] ? trace_hardirqs_off_caller+0xbb/0x310 [ 319.233341] ? trace_hardirqs_off_caller+0xbb/0x310 [ 319.238375] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 319.243221] ? trace_hardirqs_on_caller+0x310/0x310 [ 319.248243] ? trace_hardirqs_on_caller+0x310/0x310 [ 319.253263] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.258823] ? check_preemption_disabled+0x48/0x200 [ 319.263873] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 319.268730] apic_timer_interrupt+0xf/0x20 [ 319.272962] [ 319.275209] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 319.281099] Code: 3f 7e 0f 85 32 ff ff ff e8 53 4a 3e ff e9 28 ff ff ff e8 ba ad c2 ff 48 83 3d 0a bf 6f 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 62 23 [ 319.300001] RSP: 0018:ffff88019a29f4a8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 319.307717] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000627e000 [ 319.314990] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 319.322265] RBP: ffff88019a29f520 R08: ffff8801ba14e480 R09: fffffbfff12720c0 [ 319.329537] R10: ffff88019a29e0f0 R11: ffffffff89390603 R12: ffff8801da800ac0 [ 319.336830] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286 [ 319.344120] ? trace_hardirqs_on+0xb4/0x310 [ 319.348449] ? save_stack+0xa9/0xd0 [ 319.352087] __kmalloc_node_track_caller+0x33/0x70 [ 319.357026] __kmalloc_reserve.isra.39+0xcc/0xe0 [ 319.361791] pskb_expand_head+0x230/0x10f0 [ 319.366053] ? lock_downgrade+0x900/0x900 [ 319.370208] ? check_preemption_disabled+0x48/0x200 [ 319.375229] ? memcpy+0x45/0x50 [ 319.378511] ? __copy_skb_header+0x350/0x6b0 [ 319.382928] ? __pskb_copy_fclone+0xeb0/0xeb0 [ 319.387426] ? skb_checksum+0x140/0x140 [ 319.391405] ? trace_hardirqs_on+0xbd/0x310 [ 319.395734] ? skb_clone+0x1bb/0x500 [ 319.399457] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 319.404911] ? kasan_unpoison_shadow+0x35/0x50 [ 319.409501] ? kasan_check_write+0x14/0x20 [ 319.413739] ? __skb_clone+0x6c7/0xa00 [ 319.417631] ? __copy_skb_header+0x6b0/0x6b0 [ 319.422044] ? kmem_cache_alloc+0x306/0x730 [ 319.426381] skb_ensure_writable+0x3dd/0x640 [ 319.430795] ? skb_cow_data+0xf10/0xf10 [ 319.434794] ? check_preemption_disabled+0x48/0x200 [ 319.439852] ? __this_cpu_preempt_check+0x1c/0x1f [ 319.444702] ? __bpf_redirect+0x54b/0xb20 [ 319.448876] ? __switch_to_asm+0x34/0x70 [ 319.452945] bpf_clone_redirect+0x14a/0x490 [ 319.457279] bpf_prog_3d1649e183dc2cc1+0xca3/0x1000 [ 319.462303] ? __sched_text_start+0x8/0x8 [ 319.466457] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 319.471216] ? retint_kernel+0x2d/0x2d [ 319.475109] ? trace_hardirqs_on_caller+0xc0/0x310 [ 319.480045] ? retint_kernel+0x2d/0x2d [ 319.483939] ? trace_hardirqs_on_caller+0xc0/0x310 [ 319.488878] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 319.493641] ? trace_hardirqs_off+0x310/0x310 [ 319.498138] ? retint_kernel+0x1b/0x2d [ 319.502036] ? lock_acquire+0x1ed/0x520 [ 319.506018] ? bpf_test_run+0x3cb/0x780 [ 319.509997] ? lock_downgrade+0x900/0x900 [ 319.514155] ? lock_release+0x970/0x970 [ 319.518134] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 319.523938] ? preempt_schedule_common+0x1f/0xd0 [ 319.528697] ? preempt_schedule+0x4d/0x60 [ 319.532853] ? ___preempt_schedule+0x16/0x18 [ 319.537269] ? bpf_test_run+0x25d/0x780 [ 319.541253] ? netlink_diag_dump+0x2a0/0x2a0 [ 319.545669] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 319.551211] ? bpf_test_init.isra.9+0x70/0x100 [ 319.555829] ? bpf_prog_test_run_skb+0x634/0xb40 [ 319.560600] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 319.565447] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 319.570989] ? fput+0x130/0x1a0 [ 319.574273] ? __bpf_prog_get+0x9b/0x290 [ 319.578339] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 319.583186] ? bpf_prog_test_run+0x130/0x1a0 [ 319.587599] ? __x64_sys_bpf+0x3d8/0x510 [ 319.591664] ? bpf_prog_get+0x20/0x20 [ 319.595477] ? __x64_sys_futex+0x4bc/0x6a0 [ 319.599724] ? do_syscall_64+0x1b9/0x820 [ 319.603790] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 319.609183] ? syscall_return_slowpath+0x5e0/0x5e0 [ 319.614119] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 319.619008] ? trace_hardirqs_on_caller+0x310/0x310 [ 319.624030] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 319.629051] ? prepare_exit_to_usermode+0x291/0x3b0 [ 319.634080] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 319.638932] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 319.644309] warn_alloc_show_mem: 1 callbacks suppressed [ 319.644326] CPU: 1 PID: 5806 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #119 [ 319.644327] Mem-Info: [ 319.644357] active_anon:46475 inactive_anon:4207 isolated_anon:0 [ 319.644357] active_file:17 inactive_file:13 isolated_file:0 [ 319.644357] unevictable:0 dirty:0 writeback:0 unstable:0 [ 319.644357] slab_reclaimable:8782 slab_unreclaimable:1485678 [ 319.644357] mapped:8194 shmem:4214 pagetables:396 bounce:0 [ 319.644357] free:13756 free_pcp:276 free_cma:0 [ 319.649801] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 319.656864] Node 0 active_anon:185900kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32776kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 319.659267] Call Trace: [ 319.692221] Node 0 [ 319.701566] [ 319.729380] 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 [ 319.731948] dump_stack+0x1c4/0x2b4 [ 319.734167] lowmem_reserve[]: [ 319.736323] ? dump_stack_print_info.cold.2+0x52/0x52 [ 319.761799] 0 [ 319.765449] warn_alloc.cold.119+0xb7/0x1bd [ 319.768529] 2819 [ 319.773719] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 319.775504] 6323 [ 319.779839] ? lock_downgrade+0x900/0x900 [ 319.781888] 6323 [ 319.786727] ? trace_hardirqs_off+0xb8/0x310 [ 319.792918] ? trace_hardirqs_off+0xb8/0x310 [ 319.794962] Node 0 [ 319.799369] __alloc_pages_slowpath+0x2667/0x2d80 [ 319.803780] DMA32 free:25168kB min:30060kB low:37572kB high:45084kB active_anon:10240kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 319.806005] ? warn_alloc+0x120/0x120 [ 319.810834] lowmem_reserve[]: [ 319.838077] ? warn_alloc+0x120/0x120 [ 319.841862] 0 [ 319.844968] ? warn_alloc+0x120/0x120 [ 319.848751] 0 [ 319.850554] ? mark_held_locks+0x130/0x130 [ 319.854337] 3503 [ 319.856146] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.860361] 3503 [ 319.862424] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 319.870004] ? should_fail+0x22d/0xd01 [ 319.875520] Node 0 Normal free:13948kB min:37352kB low:46688kB high:56024kB active_anon:175660kB inactive_anon:16828kB active_file:68kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5056kB pagetables:1584kB bounce:0kB free_pcp:856kB local_pcp:320kB free_cma:0kB [ 319.879437] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 319.879454] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 319.908494] lowmem_reserve[]: [ 319.913596] ? should_fail+0x22d/0xd01 [ 319.919115] 0 [ 319.922219] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 319.926084] 0 [ 319.927887] ? should_fail+0x22d/0xd01 [ 319.932973] 0 [ 319.934780] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 319.938646] 0 [ 319.940451] ? mark_held_locks+0x130/0x130 [ 319.947341] ? mark_held_locks+0x130/0x130 [ 319.951558] Node 0 [ 319.955787] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.955789] DMA: 1*4kB [ 319.958054] ? trace_hardirqs_off+0xb8/0x310 [ 319.963570] (U) [ 319.966152] ? kasan_check_read+0x11/0x20 [ 319.970539] 0*8kB [ 319.972513] ? do_raw_spin_unlock+0xa7/0x2f0 [ 319.976640] 0*16kB [ 319.978787] ? trace_hardirqs_on+0x310/0x310 [ 319.983177] 1*32kB [ 319.985414] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 319.989801] (U) [ 319.992052] ? wq_watchdog_touch+0x9c/0xfe [ 319.997570] 2*64kB [ 319.999553] ? io_serial_in+0x11/0x90 [ 320.003764] (U) [ 320.006006] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.009786] 1*128kB [ 320.011778] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 320.017293] (U) [ 320.019710] __alloc_pages_nodemask+0xa80/0xde0 [ 320.024794] 1*256kB [ 320.026784] ? should_fail+0x22d/0xd01 [ 320.031430] (U) [ 320.033753] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 320.037632] 0*512kB [ 320.039619] ? ____cache_alloc_node+0x1c7/0x1e0 [ 320.044606] 1*1024kB [ 320.046931] ? lock_downgrade+0x900/0x900 [ 320.051579] (U) [ 320.054004] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.058135] 1*2048kB [ 320.060110] cache_grow_begin+0x91/0x8c0 [ 320.065627] (M) [ 320.068043] ? do_raw_spin_unlock+0xa7/0x2f0 [ 320.072086] 3*4096kB [ 320.074065] fallback_alloc+0x203/0x2e0 [ 320.078452] (M) [ 320.081050] ____cache_alloc_node+0x1c7/0x1e0 [ 320.085006] = 15908kB [ 320.086988] kmem_cache_alloc_node+0xe3/0x730 [ 320.091468] Node 0 [ 320.093881] ? ipv6_get_ifaddr+0x42e/0x620 [ 320.098358] DMA32: [ 320.100597] __alloc_skb+0x119/0x770 [ 320.104828] 2*4kB [ 320.107065] ? skb_scrub_packet+0x490/0x490 [ 320.110757] (M) [ 320.112912] ? lock_downgrade+0x900/0x900 [ 320.117214] 1*8kB [ 320.119188] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.123313] (M) [ 320.125467] ? refcount_sub_and_test_checked+0x203/0x310 [ 320.130984] 2*16kB [ 320.132963] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 320.138394] (M) [ 320.140629] ? addrconf_rs_timer+0x690/0x690 [ 320.146061] 3*32kB [ 320.148036] ndisc_alloc_skb+0x144/0x340 [ 320.152433] (MH) [ 320.154669] ndisc_send_rs+0x331/0x6e0 [ 320.158711] 5*64kB [ 320.160773] addrconf_rs_timer+0x314/0x690 [ 320.164642] (MH) [ 320.166921] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 320.171139] 3*128kB [ 320.173208] call_timer_fn+0x272/0x920 [ 320.177417] (M) [ 320.179737] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 320.183606] 5*256kB [ 320.185580] ? process_timeout+0x40/0x40 [ 320.189796] (UMH) [ 320.192140] ? trace_hardirqs_off+0xb8/0x310 [ 320.196183] 5*512kB [ 320.198339] ? kasan_check_read+0x11/0x20 [ 320.202730] (UMH) [ 320.205095] ? do_raw_spin_unlock+0xa7/0x2f0 [ 320.209225] 4*1024kB [ 320.211377] ? trace_hardirqs_on+0x310/0x310 [ 320.215762] (UMH) [ 320.218173] ? __run_timers+0x7da/0xc70 [ 320.222561] 2*2048kB [ 320.224708] ? lock_downgrade+0x900/0x900 [ 320.228663] (M) [ 320.231079] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 320.235204] 3*4096kB [ 320.237181] ? trace_hardirqs_on+0xbd/0x310 [ 320.242264] (M) [ 320.244677] ? kasan_check_read+0x11/0x20 [ 320.248981] = 25168kB [ 320.250961] ? __run_timers+0x7da/0xc70 [ 320.255092] Node 0 [ 320.257503] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 320.261499] Normal: [ 320.263738] ? kasan_check_write+0x14/0x20 [ 320.269174] 1081*4kB [ 320.271495] ? do_raw_spin_lock+0xc1/0x200 [ 320.275714] (UMEH) [ 320.278125] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 320.282341] 387*8kB [ 320.284579] __run_timers+0x7e5/0xc70 [ 320.288795] (ME) [ 320.291139] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 320.294918] 152*16kB [ 320.296982] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 320.302318] (UME) 54*32kB [ 320.304781] ? timerqueue_add+0x207/0x2b0 [ 320.309775] (UME) [ 320.312696] ? enqueue_hrtimer+0x1a5/0x560 [ 320.316842] 21*64kB [ 320.318992] ? lock_release+0x970/0x970 [ 320.323208] (UM) [ 320.325531] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 320.329484] 0*128kB 0*256kB [ 320.331557] ? check_preemption_disabled+0x48/0x200 [ 320.336731] 2*512kB [ 320.339745] ? kasan_check_write+0x14/0x20 [ 320.344742] (U) [ 320.347067] ? pvclock_read_flags+0x160/0x160 [ 320.351284] 0*1024kB [ 320.353256] ? lock_downgrade+0x900/0x900 [ 320.357730] 0*2048kB [ 320.360142] ? trace_hardirqs_on+0xbd/0x310 [ 320.364269] 0*4096kB [ 320.366679] ? kvm_sched_clock_read+0x9/0x20 [ 320.370976] = 13948kB [ 320.373381] ? irq_exit+0x17f/0x1c0 [ 320.377773] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 320.380171] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.383784] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 320.392608] ? check_preemption_disabled+0x48/0x200 [ 320.398119] 4244 total pagecache pages [ 320.406685] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.411691] 0 pages in swap cache [ 320.415570] run_timer_softirq+0x52/0xb0 [ 320.421077] Swap cache stats: add 0, delete 0, find 0/0 [ 320.424518] ? __this_cpu_preempt_check+0x1c/0x1f [ 320.428569] Free swap = 0kB [ 320.433920] __do_softirq+0x30b/0xad8 [ 320.438734] Total swap = 0kB [ 320.441747] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 320.445533] 1965979 pages RAM [ 320.448544] ? pvclock_read_flags+0x160/0x160 [ 320.453637] 0 pages HighMem/MovableOnly [ 320.456736] ? lapic_next_event+0x5a/0x90 [ 320.461204] 342307 pages reserved [ 320.465173] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.469295] 0 pages cma reserved [ 320.472748] ? clockevents_program_event+0x140/0x370 [ 320.478309] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 320.481615] ? kvm_clock_read+0x18/0x30 [ 320.486735] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 320.493180] ? kvm_sched_clock_read+0x9/0x20 [ 320.497131] syz-executor2 cpuset= [ 320.507609] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.511995] syz2 [ 320.515443] ? check_preemption_disabled+0x48/0x200 [ 320.520957] mems_allowed=0 [ 320.522930] irq_exit+0x17f/0x1c0 [ 320.534302] smp_apic_timer_interrupt+0x1cb/0x760 [ 320.539153] ? smp_reschedule_interrupt+0x109/0x650 [ 320.544171] ? smp_call_function_single_interrupt+0x650/0x650 [ 320.550059] ? interrupt_entry+0xb5/0xf0 [ 320.554125] ? trace_hardirqs_off_caller+0xbb/0x310 [ 320.559145] ? trace_hardirqs_off_caller+0xbb/0x310 [ 320.564168] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 320.569014] ? trace_hardirqs_on_caller+0x310/0x310 [ 320.574034] ? trace_hardirqs_on_caller+0x310/0x310 [ 320.579058] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 320.584597] ? check_preemption_disabled+0x48/0x200 [ 320.589616] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 320.595162] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 320.600014] apic_timer_interrupt+0xf/0x20 [ 320.604246] [ 320.606490] RIP: 0010:preempt_schedule_irq+0x7d/0x110 [ 320.611690] Code: 00 e8 97 f5 a3 f9 e8 d2 63 d3 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 7b 48 83 3d 24 75 80 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f9 d1 ff ff 41 80 7d 00 00 75 6a 48 83 3d fa 74 [ 320.630596] RSP: 0000:ffff8801bbdd6150 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 320.638334] RAX: 1ffffffff1263e53 RBX: 0000000000000000 RCX: ffffffff8184e1ca [ 320.645607] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: ffffffff896fe740 [ 320.652880] RBP: ffff8801bbdd6178 R08: ffff8801d838c080 R09: ffffed003b5e5979 [ 320.660154] R10: ffffed003b5e5979 R11: ffff8801daf2cbcb R12: dffffc0000000000 [ 320.667425] R13: fffffbfff1263e52 R14: ffffffff8931f298 R15: ffffffff8931f290 [ 320.674710] ? trace_hardirqs_on+0x9a/0x310 [ 320.679041] ? trace_hardirqs_on+0xb4/0x310 [ 320.683377] retint_kernel+0x1b/0x2d [ 320.687099] RIP: 0010:arch_local_irq_restore+0x4a/0x52 [ 320.692390] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 79 21 17 fa 48 83 3d 99 9c 86 01 00 75 07 e8 9a 7f d3 f9 0f 0b e8 93 7f d3 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 2d 21 17 fa 4c 8b 45 d0 e9 [ 320.711290] RSP: 0000:ffff8801bbdd6238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 320.719010] RAX: ffff8801d838c080 RBX: 0000000000000293 RCX: ffffffff8184e1ca [ 320.726280] RDX: 0000000000000000 RSI: ffffffff87ab55fd RDI: 0000000000000293 [ 320.733556] RBP: ffff8801bbdd6240 R08: ffff8801d838c080 R09: fffffbfff13d9700 [ 320.740843] R10: fffffbfff13d9700 R11: 0000000000000003 R12: 0000000000000293 [ 320.748113] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff8931f280 [ 320.755396] ? trace_hardirqs_on+0x9a/0x310 [ 320.759724] ? arch_local_irq_restore+0x45/0x52 [ 320.764403] dump_stack+0x26a/0x2b4 [ 320.768038] ? dump_stack_print_info.cold.2+0x52/0x52 [ 320.773229] ? mark_held_locks+0x130/0x130 [ 320.777463] ? mark_held_locks+0x130/0x130 [ 320.781710] dump_header+0x27b/0xf72 [ 320.785434] ? rcu_read_unlock+0x16/0x60 [ 320.789504] ? pagefault_out_of_memory+0x197/0x197 [ 320.794441] ? mark_held_locks+0x130/0x130 [ 320.798679] ? percpu_ref_put_many+0x13e/0x260 [ 320.803266] ? mem_cgroup_charge_statistics+0x780/0x780 [ 320.808641] ? mem_cgroup_iter+0x1f7/0x1160 [ 320.812967] ? mark_held_locks+0x130/0x130 [ 320.817214] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 320.822756] ? task_will_free_mem+0x239/0xb30 [ 320.827265] ? ___ratelimit+0x36f/0x655 [ 320.831248] ? lock_downgrade+0x900/0x900 [ 320.835406] ? trace_hardirqs_on+0xbd/0x310 [ 320.839729] ? kasan_check_read+0x11/0x20 [ 320.843885] ? ___ratelimit+0x36f/0x655 [ 320.847866] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 320.853325] ? trace_hardirqs_on+0x310/0x310 [ 320.857739] ? lock_downgrade+0x900/0x900 [ 320.861899] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 320.867004] ? ___ratelimit+0xaa/0x655 [ 320.870897] ? idr_get_free+0xec0/0xec0 [ 320.874878] ? kasan_check_write+0x14/0x20 [ 320.879119] ? do_raw_spin_lock+0xc1/0x200 [ 320.883376] oom_kill_process.cold.27+0x10/0x903 [ 320.888140] ? lock_downgrade+0x900/0x900 [ 320.892300] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 320.898110] ? oom_evaluate_task+0x540/0x540 [ 320.902530] ? shrink_node+0x16b0/0x16b0 [ 320.906599] ? oom_unkillable_task+0x383/0x580 [ 320.911184] ? out_of_memory+0x974/0x1430 [ 320.915344] ? lock_downgrade+0x900/0x900 [ 320.919500] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 320.925303] ? __cpuset_node_allowed+0x19b/0x660 [ 320.930072] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 320.935610] ? oom_evaluate_task+0x302/0x540 [ 320.940024] out_of_memory+0xa84/0x1430 [ 320.944009] ? oom_killer_disable+0x3a0/0x3a0 [ 320.948638] ? __alloc_pages_slowpath+0xe76/0x2d80 [ 320.953573] ? __mutex_add_waiter+0x2a0/0x2a0 [ 320.958078] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 320.963096] ? find_next_bit+0x104/0x130 [ 320.967169] __alloc_pages_slowpath+0x2318/0x2d80 [ 320.972033] ? warn_alloc+0x120/0x120 [ 320.975855] ? __radix_tree_lookup+0x4c0/0x4c0 [ 320.980456] ? find_get_entry+0x2f2/0xc40 [ 320.984617] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 320.989550] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 320.995096] ? should_fail+0x22d/0xd01 [ 320.998992] ? ___might_sleep+0x1ed/0x300 [ 321.003147] ? lock_release+0x970/0x970 [ 321.007131] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 321.012240] ? debug_smp_processor_id+0x1c/0x20 [ 321.016925] ? __might_sleep+0x95/0x190 [ 321.020999] ? __alloc_pages_nodemask+0x6e4/0xde0 [ 321.025861] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 321.030893] ? lock_downgrade+0x900/0x900 [ 321.035047] ? ___might_sleep+0x1ed/0x300 [ 321.039201] ? lock_release+0x970/0x970 [ 321.043221] ? arch_local_save_flags+0x40/0x40 [ 321.047829] ? finish_task_switch+0x1f5/0x900 [ 321.052342] ? __might_sleep+0x95/0x190 [ 321.056330] __alloc_pages_nodemask+0xa80/0xde0 [ 321.061011] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 321.066037] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 321.071858] ? kasan_check_write+0x14/0x20 [ 321.076104] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 321.081332] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.086876] ? __do_page_cache_readahead+0x7ce/0x980 [ 321.091994] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 321.097537] alloc_pages_current+0x10c/0x210 [ 321.101954] ? lock_downgrade+0x900/0x900 [ 321.106108] __page_cache_alloc+0x38f/0x5b0 [ 321.110436] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 321.116244] ? ext4_filemap_fault+0x82/0xad [ 321.120571] ? __filemap_set_wb_err+0x3b0/0x3b0 [ 321.125245] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 321.130785] ? check_preemption_disabled+0x48/0x200 [ 321.135847] filemap_fault+0x1594/0x25f0 [ 321.139920] ? __lock_page_or_retry+0xa00/0xa00 [ 321.144598] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 321.150398] ? unwind_dump+0x190/0x190 [ 321.154298] ? is_bpf_text_address+0xd3/0x170 [ 321.158828] ? filemap_map_pages+0xdea/0x1980 [ 321.163355] ? find_get_pages_range_tag+0x1320/0x1320 [ 321.168551] ? save_stack+0xa9/0xd0 [ 321.172180] ? save_stack+0x43/0xd0 [ 321.175828] ? __kasan_slab_free+0x102/0x150 [ 321.180244] ? __sigqueue_free.part.27+0x7d/0xa0 [ 321.185001] ? __dequeue_signal+0x530/0x7d0 [ 321.189329] ? dequeue_signal+0x26c/0x630 [ 321.193485] ? get_signal+0x3ec/0x1980 [ 321.197376] ? do_signal+0x9c/0x21e0 [ 321.201092] ? exit_to_usermode_loop+0x2e5/0x380 [ 321.205861] ? mark_held_locks+0x130/0x130 [ 321.210102] ? trace_hardirqs_on+0x310/0x310 [ 321.214519] ? lock_acquire+0x1ed/0x520 [ 321.218498] ? ext4_filemap_fault+0x7a/0xad [ 321.222841] ? lock_release+0x970/0x970 [ 321.226839] ? arch_local_save_flags+0x40/0x40 [ 321.231432] ? mark_held_locks+0x130/0x130 [ 321.235673] ? trace_hardirqs_off+0xb8/0x310 [ 321.240093] ? down_read+0xb0/0x1d0 [ 321.243721] ? ext4_filemap_fault+0x7a/0xad [ 321.248048] ? __down_interruptible+0x700/0x700 [ 321.252722] ? kmem_cache_free+0x21a/0x290 [ 321.256963] ? __sigqueue_free.part.27+0x7d/0xa0 [ 321.261725] ? __dequeue_signal+0xf9/0x7d0 [ 321.265972] ext4_filemap_fault+0x82/0xad [ 321.270131] __do_fault+0x100/0x6b0 [ 321.273769] ? print_bad_pte+0x6c0/0x6c0 [ 321.277857] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 321.283397] ? pmd_val+0x88/0x100 [ 321.286864] ? add_mm_counter_fast+0xd0/0xd0 [ 321.291280] ? pmd_val+0x88/0x100 [ 321.294740] ? add_mm_counter_fast+0xd0/0xd0 [ 321.299154] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 321.304700] __handle_mm_fault+0x3709/0x53e0 [ 321.309126] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 321.313978] ? kasan_check_write+0x14/0x20 [ 321.318222] ? do_raw_spin_lock+0xc1/0x200 [ 321.322568] ? _raw_spin_unlock_irq+0x60/0x80 [ 321.327071] ? __set_current_blocked+0xe4/0x120 [ 321.331752] ? lock_acquire+0x1ed/0x520 [ 321.335735] ? handle_mm_fault+0x42a/0xc70 [ 321.339979] ? lock_downgrade+0x900/0x900 [ 321.344151] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 321.349953] ? __do_page_fault+0x67d/0xed0 [ 321.354192] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 321.359648] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 321.365187] ? check_preemption_disabled+0x48/0x200 [ 321.370216] handle_mm_fault+0x54f/0xc70 [ 321.374287] ? __handle_mm_fault+0x53e0/0x53e0 [ 321.378889] ? find_vma+0x34/0x190 [ 321.382441] __do_page_fault+0x67d/0xed0 [ 321.386511] ? mm_fault_error+0x380/0x380 [ 321.390666] ? syscall_slow_exit_work+0x520/0x520 [ 321.395518] do_page_fault+0xf2/0x7e0 [ 321.399331] ? vmalloc_sync_all+0x30/0x30 [ 321.403492] ? error_entry+0x70/0xd0 [ 321.407209] ? trace_hardirqs_off_caller+0xbb/0x310 [ 321.412230] ? trace_hardirqs_on_caller+0xc0/0x310 [ 321.417163] ? syscall_return_slowpath+0x5e0/0x5e0 [ 321.422099] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 321.426947] ? trace_hardirqs_on_caller+0x310/0x310 [ 321.431965] ? trace_hardirqs_off+0x310/0x310 [ 321.436469] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 321.441492] ? prepare_exit_to_usermode+0x291/0x3b0 [ 321.446515] ? page_fault+0x8/0x30 [ 321.450061] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 321.454916] ? page_fault+0x8/0x30 [ 321.458461] page_fault+0x1e/0x30 [ 321.461919] RIP: 0033:0x45db60 [ 321.465119] Code: Bad RIP value. [ 321.468488] RSP: 002b:000000c420049ab8 EFLAGS: 00010286 [ 321.473860] RAX: 0000000000000000 RBX: 000000c420026380 RCX: 000000000045ddf3 [ 321.481130] RDX: 000000c420049ac0 RSI: 000000c420049bf0 RDI: 0000000000000011 [ 321.488402] RBP: 000000c420022f08 R08: 0000000000000000 R09: 0000000000000000 [ 321.495672] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c42005c168 [ 321.502946] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000 [ 321.510233] CPU: 0 PID: 7800 Comm: syz-executor2 Not tainted 4.19.0-rc6+ #119 [ 321.510287] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 321.517517] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 321.517521] Call Trace: [ 321.517526] [ 321.517541] dump_stack+0x1c4/0x2b4 [ 321.517558] ? dump_stack_print_info.cold.2+0x52/0x52 [ 321.524083] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 321.533399] warn_alloc.cold.119+0xb7/0x1bd [ 321.535962] syz-fuzzer cpuset= [ 321.538116] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 321.541720] / [ 321.546914] ? lock_downgrade+0x900/0x900 [ 321.557121] mems_allowed=0 [ 321.561439] ? trace_hardirqs_off+0xb8/0x310 [ 321.582620] ? trace_hardirqs_off+0xb8/0x310 [ 321.587041] __alloc_pages_slowpath+0x2667/0x2d80 [ 321.591911] ? warn_alloc+0x120/0x120 [ 321.595722] ? warn_alloc+0x120/0x120 [ 321.599532] ? warn_alloc+0x120/0x120 [ 321.603336] ? mark_held_locks+0x130/0x130 [ 321.607581] ? trace_hardirqs_on+0x310/0x310 [ 321.611994] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.617539] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 321.623083] ? should_fail+0x22d/0xd01 [ 321.626977] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 321.632085] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 321.637626] ? should_fail+0x22d/0xd01 [ 321.641525] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 321.646634] ? should_fail+0x22d/0xd01 [ 321.650534] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 321.655645] ? mark_held_locks+0x130/0x130 [ 321.659890] ? mark_held_locks+0x130/0x130 [ 321.664128] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.669674] ? trace_hardirqs_off+0xb8/0x310 [ 321.674085] ? kasan_check_read+0x11/0x20 [ 321.678239] ? do_raw_spin_unlock+0xa7/0x2f0 [ 321.682652] ? trace_hardirqs_on+0x310/0x310 [ 321.687067] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.692611] ? wq_watchdog_touch+0x9c/0xfe [ 321.696858] ? io_serial_in+0x11/0x90 [ 321.700665] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.706211] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 321.711324] __alloc_pages_nodemask+0xa80/0xde0 [ 321.716002] ? should_fail+0x22d/0xd01 [ 321.719905] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 321.724945] ? ____cache_alloc_node+0x1c7/0x1e0 [ 321.729621] ? lock_downgrade+0x900/0x900 [ 321.733778] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.739343] cache_grow_begin+0x91/0x8c0 [ 321.743411] ? do_raw_spin_unlock+0xa7/0x2f0 [ 321.747862] fallback_alloc+0x203/0x2e0 [ 321.751861] ____cache_alloc_node+0x1c7/0x1e0 [ 321.756369] kmem_cache_alloc_node+0xe3/0x730 [ 321.760869] ? ipv6_get_ifaddr+0x42e/0x620 [ 321.765115] __alloc_skb+0x119/0x770 [ 321.768856] ? skb_scrub_packet+0x490/0x490 [ 321.773181] ? lock_downgrade+0x900/0x900 [ 321.777337] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.782888] ? refcount_sub_and_test_checked+0x203/0x310 [ 321.788349] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 321.793802] ? addrconf_rs_timer+0x690/0x690 [ 321.798247] ndisc_alloc_skb+0x144/0x340 [ 321.802316] ndisc_send_rs+0x331/0x6e0 [ 321.806210] addrconf_rs_timer+0x314/0x690 [ 321.810454] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 321.814701] call_timer_fn+0x272/0x920 [ 321.818590] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 321.822847] ? process_timeout+0x40/0x40 [ 321.826916] ? trace_hardirqs_off+0xb8/0x310 [ 321.831329] ? kasan_check_read+0x11/0x20 [ 321.835485] ? do_raw_spin_unlock+0xa7/0x2f0 [ 321.839901] ? trace_hardirqs_on+0x310/0x310 [ 321.844315] ? __run_timers+0x7da/0xc70 [ 321.848292] ? lock_downgrade+0x900/0x900 [ 321.852447] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 321.857555] ? trace_hardirqs_on+0xbd/0x310 [ 321.861883] ? kasan_check_read+0x11/0x20 [ 321.866038] ? __run_timers+0x7da/0xc70 [ 321.870017] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 321.875475] ? kasan_check_write+0x14/0x20 [ 321.879715] ? do_raw_spin_lock+0xc1/0x200 [ 321.883960] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 321.888203] __run_timers+0x7e5/0xc70 [ 321.892016] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 321.897389] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 321.902408] ? timerqueue_add+0x207/0x2b0 [ 321.906564] ? enqueue_hrtimer+0x1a5/0x560 [ 321.910799] ? lock_release+0x970/0x970 [ 321.914802] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 321.920024] ? kasan_check_write+0x14/0x20 [ 321.924267] ? pvclock_read_flags+0x160/0x160 [ 321.928764] ? lock_downgrade+0x900/0x900 [ 321.932926] ? trace_hardirqs_on+0xbd/0x310 [ 321.937257] ? kvm_sched_clock_read+0x9/0x20 [ 321.941668] ? irq_exit+0x17f/0x1c0 [ 321.945301] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.950856] ? check_preemption_disabled+0x48/0x200 [ 321.955879] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.961425] run_timer_softirq+0x52/0xb0 [ 321.965488] ? __this_cpu_preempt_check+0x1c/0x1f [ 321.970331] __do_softirq+0x30b/0xad8 [ 321.974143] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 321.979256] ? pvclock_read_flags+0x160/0x160 [ 321.983759] ? lapic_next_event+0x5a/0x90 [ 321.987913] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 321.993456] ? clockevents_program_event+0x140/0x370 [ 321.998570] ? kvm_clock_read+0x18/0x30 [ 322.002548] ? kvm_sched_clock_read+0x9/0x20 [ 322.006966] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.012507] ? check_preemption_disabled+0x48/0x200 [ 322.017532] irq_exit+0x17f/0x1c0 [ 322.020991] smp_apic_timer_interrupt+0x1cb/0x760 [ 322.025923] ? smp_reschedule_interrupt+0x109/0x650 [ 322.030944] ? smp_call_function_single_interrupt+0x650/0x650 [ 322.036852] ? interrupt_entry+0xb5/0xf0 [ 322.040918] ? trace_hardirqs_off_caller+0xbb/0x310 [ 322.045941] ? trace_hardirqs_off_caller+0xbb/0x310 [ 322.050966] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 322.055832] ? trace_hardirqs_on_caller+0x310/0x310 [ 322.060866] ? trace_hardirqs_on_caller+0x310/0x310 [ 322.065891] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 322.071430] ? check_preemption_disabled+0x48/0x200 [ 322.076455] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 322.081308] apic_timer_interrupt+0xf/0x20 [ 322.085540] [ 322.087788] RIP: 0010:kmem_cache_alloc_node_trace+0x249/0x740 [ 322.093700] Code: 3f 7e 0f 85 32 ff ff ff e8 53 4a 3e ff e9 28 ff ff ff e8 ba ad c2 ff 48 83 3d 0a bf 6f 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 62 23 [ 322.112604] RSP: 0018:ffff88019a29f4a8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 322.120318] RAX: 0000000000000000 RBX: 0000000000480020 RCX: ffffc9000627e000 [ 322.127590] RDX: 0000000000000004 RSI: ffffffff8184e1e4 RDI: 0000000000000286 [ 322.134869] RBP: ffff88019a29f520 R08: ffff8801ba14e480 R09: fffffbfff12720c0 [ 322.142139] R10: ffff88019a29e0f0 R11: ffffffff89390603 R12: ffff8801da800ac0 [ 322.149409] R13: ffff8801da800ac0 R14: 0000000000000000 R15: 0000000000000286 [ 322.156691] ? trace_hardirqs_on+0xb4/0x310 [ 322.161019] ? save_stack+0xa9/0xd0 [ 322.164657] __kmalloc_node_track_caller+0x33/0x70 [ 322.169598] __kmalloc_reserve.isra.39+0xcc/0xe0 [ 322.174365] pskb_expand_head+0x230/0x10f0 [ 322.178604] ? lock_downgrade+0x900/0x900 [ 322.182753] ? check_preemption_disabled+0x48/0x200 [ 322.187774] ? memcpy+0x45/0x50 [ 322.191077] ? __copy_skb_header+0x350/0x6b0 [ 322.195492] ? __pskb_copy_fclone+0xeb0/0xeb0 [ 322.199992] ? skb_checksum+0x140/0x140 [ 322.203976] ? trace_hardirqs_on+0xbd/0x310 [ 322.208304] ? skb_clone+0x1bb/0x500 [ 322.212022] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 322.217473] ? kasan_unpoison_shadow+0x35/0x50 [ 322.222063] ? kasan_check_write+0x14/0x20 [ 322.226300] ? __skb_clone+0x6c7/0xa00 [ 322.230194] ? __copy_skb_header+0x6b0/0x6b0 [ 322.234606] ? kmem_cache_alloc+0x306/0x730 [ 322.238942] skb_ensure_writable+0x3dd/0x640 [ 322.243359] ? skb_cow_data+0xf10/0xf10 [ 322.247334] ? check_preemption_disabled+0x48/0x200 [ 322.252358] ? __this_cpu_preempt_check+0x1c/0x1f [ 322.257220] ? __bpf_redirect+0x54b/0xb20 [ 322.261372] ? __switch_to_asm+0x34/0x70 [ 322.265441] bpf_clone_redirect+0x14a/0x490 [ 322.269773] bpf_prog_3d1649e183dc2cc1+0xca3/0x1000 [ 322.274838] ? __sched_text_start+0x8/0x8 [ 322.278992] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 322.283756] ? retint_kernel+0x2d/0x2d [ 322.287645] ? trace_hardirqs_on_caller+0xc0/0x310 [ 322.292576] ? retint_kernel+0x2d/0x2d [ 322.296471] ? trace_hardirqs_on_caller+0xc0/0x310 [ 322.301407] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 322.306165] ? trace_hardirqs_off+0x310/0x310 [ 322.310665] ? retint_kernel+0x1b/0x2d [ 322.314561] ? lock_acquire+0x1ed/0x520 [ 322.318539] ? bpf_test_run+0x3cb/0x780 [ 322.322522] ? lock_downgrade+0x900/0x900 [ 322.326679] ? lock_release+0x970/0x970 [ 322.330662] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 322.336470] ? preempt_schedule_common+0x1f/0xd0 [ 322.341231] ? preempt_schedule+0x4d/0x60 [ 322.345383] ? ___preempt_schedule+0x16/0x18 [ 322.349800] ? bpf_test_run+0x25d/0x780 [ 322.353832] ? netlink_diag_dump+0x2a0/0x2a0 [ 322.358250] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 322.363790] ? bpf_test_init.isra.9+0x70/0x100 [ 322.368402] ? bpf_prog_test_run_skb+0x634/0xb40 [ 322.373164] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 322.378015] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 322.383552] ? fput+0x130/0x1a0 [ 322.386857] ? __bpf_prog_get+0x9b/0x290 [ 322.390924] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 322.395768] ? bpf_prog_test_run+0x130/0x1a0 [ 322.400183] ? __x64_sys_bpf+0x3d8/0x510 [ 322.404249] ? bpf_prog_get+0x20/0x20 [ 322.408068] ? __x64_sys_futex+0x4bc/0x6a0 [ 322.412314] ? do_syscall_64+0x1b9/0x820 [ 322.416382] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 322.421755] ? syscall_return_slowpath+0x5e0/0x5e0 [ 322.426689] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 322.431540] ? trace_hardirqs_on_caller+0x310/0x310 [ 322.436562] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 322.441582] ? prepare_exit_to_usermode+0x291/0x3b0 [ 322.446605] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 322.451461] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 322.456857] warn_alloc_show_mem: 1 callbacks suppressed [ 322.456870] CPU: 1 PID: 5806 Comm: syz-fuzzer Not tainted 4.19.0-rc6+ #119 [ 322.456871] Mem-Info: [ 322.456901] active_anon:46475 inactive_anon:4207 isolated_anon:0 [ 322.456901] active_file:17 inactive_file:13 isolated_file:0 [ 322.456901] unevictable:0 dirty:0 writeback:0 unstable:0 [ 322.456901] slab_reclaimable:8782 slab_unreclaimable:1485678 [ 322.456901] mapped:8194 shmem:4214 pagetables:396 bounce:0 [ 322.456901] free:13756 free_pcp:276 free_cma:0