witch_to_asm+0x34/0x70 [ 206.559416] ? __switch_to_asm+0x40/0x70 [ 206.563474] ? __switch_to_asm+0x34/0x70 [ 206.567536] ? __switch_to_asm+0x40/0x70 [ 206.571599] ? __switch_to_asm+0x34/0x70 [ 206.575663] ? __switch_to_asm+0x34/0x70 [ 206.579721] ? __switch_to_asm+0x40/0x70 [ 206.583780] ? __switch_to_asm+0x34/0x70 [ 206.587852] bpf_clone_redirect+0xb9/0x490 [ 206.592094] ? __schedule+0x874/0x1ed0 [ 206.595993] bpf_prog_a2323609a0d1adb1+0x624/0x1000 [ 206.601030] ? __sched_text_start+0x8/0x8 [ 206.605183] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 206.609953] ? find_held_lock+0x36/0x1c0 [ 206.614033] ? lock_acquire+0x1ed/0x520 [ 206.618013] ? bpf_test_run+0x32e/0x5a0 [ 206.622012] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 206.627564] ? check_preemption_disabled+0x48/0x200 [ 206.632597] ? kasan_check_read+0x11/0x20 [ 206.636754] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 206.642044] ? rcu_bh_qs+0xc0/0xc0 [ 206.645592] ? preempt_schedule+0x4d/0x60 [ 206.649746] ? ___preempt_schedule+0x16/0x18 [ 206.654166] ? bpf_test_run+0x1c0/0x5a0 [ 206.658154] ? netlink_diag_dump+0x2a0/0x2a0 [ 206.662572] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 206.668111] ? bpf_test_init.isra.9+0x70/0x100 [ 206.672706] ? bpf_prog_test_run_skb+0x634/0xb40 [ 206.677480] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 206.682327] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 206.687863] ? fput+0x130/0x1a0 [ 206.691145] ? __bpf_prog_get+0x9b/0x290 [ 206.695208] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 206.700054] ? bpf_prog_test_run+0x130/0x1a0 [ 206.704470] ? __x64_sys_bpf+0x3d8/0x510 [ 206.708534] ? bpf_prog_get+0x20/0x20 [ 206.712361] ? do_syscall_64+0x1b9/0x820 [ 206.716429] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 206.721797] ? syscall_return_slowpath+0x5e0/0x5e0 [ 206.726765] ? trace_hardirqs_off+0x300/0x300 [ 206.731267] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 206.736325] ? recalc_sigpending_tsk+0x180/0x180 [ 206.741089] ? kasan_check_write+0x14/0x20 [ 206.745332] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 206.750208] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 206.755605] CPU: 1 PID: 5351 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51 [ 206.755677] aoe: skb alloc failure [ 206.762811] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 206.762817] Call Trace: [ 206.762823] [ 206.762844] dump_stack+0x1c4/0x2b4 [ 206.762859] ? dump_stack_print_info.cold.2+0x52/0x52 [ 206.762885] warn_alloc.cold.118+0xb7/0x1bd [ 206.766442] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 206.775787] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 206.778379] syz-executor0 cpuset= [ 206.780528] ? lock_downgrade+0x900/0x900 [ 206.784128] syz0 [ 206.789323] ? trace_hardirqs_off+0xb8/0x300 [ 206.793617] mems_allowed=0 [ 206.804102] ? trace_hardirqs_off+0xb8/0x300 [ 206.830193] __alloc_pages_slowpath+0x2667/0x2d80 [ 206.835083] ? warn_alloc+0x120/0x120 [ 206.838986] ? warn_alloc+0x120/0x120 [ 206.842803] ? print_usage_bug+0xc0/0xc0 [ 206.846879] ? warn_alloc+0x120/0x120 [ 206.850684] ? print_usage_bug+0xc0/0xc0 [ 206.854749] ? __lock_acquire+0x7ec/0x4ec0 [ 206.858994] ? __lock_acquire+0x7ec/0x4ec0 [ 206.863242] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 206.868791] ? should_fail+0x22d/0xd01 [ 206.872684] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 206.877797] ? __lock_acquire+0x7ec/0x4ec0 [ 206.882044] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 206.887151] ? __lock_acquire+0x7ec/0x4ec0 [ 206.891414] ? should_fail+0x22d/0xd01 [ 206.895313] ? mark_held_locks+0x130/0x130 [ 206.899554] ? mark_held_locks+0x130/0x130 [ 206.903795] ? graph_lock+0x170/0x170 [ 206.907595] ? graph_lock+0x170/0x170 [ 206.911403] ? graph_lock+0x170/0x170 [ 206.915217] ? print_usage_bug+0xc0/0xc0 [ 206.919298] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 206.924860] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 206.930403] ? check_preemption_disabled+0x48/0x200 [ 206.935439] ? check_preemption_disabled+0x48/0x200 [ 206.940471] ? __lock_is_held+0xb5/0x140 [ 206.944544] __alloc_pages_nodemask+0xa80/0xde0 [ 206.949215] ? graph_lock+0x170/0x170 [ 206.953050] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 206.958069] ? graph_lock+0x170/0x170 [ 206.961969] ? find_held_lock+0x36/0x1c0 [ 206.966049] ? ____cache_alloc_node+0x1c7/0x1e0 [ 206.970727] ? lock_downgrade+0x900/0x900 [ 206.974889] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 206.980436] cache_grow_begin+0x91/0x8c0 [ 206.984501] ? do_raw_spin_unlock+0xa7/0x2f0 [ 206.988926] fallback_alloc+0x203/0x2e0 [ 206.992917] ____cache_alloc_node+0x1c7/0x1e0 [ 206.997420] kmem_cache_alloc_node+0xe3/0x730 [ 207.001923] ? ipv6_get_ifaddr+0x42e/0x620 [ 207.006173] __alloc_skb+0x119/0x770 [ 207.009889] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 207.015430] ? skb_scrub_packet+0x490/0x490 [ 207.019751] ? lock_downgrade+0x900/0x900 [ 207.023913] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 207.029453] ? refcount_sub_and_test_checked+0x203/0x310 [ 207.034923] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 207.040391] ? addrconf_rs_timer+0x6f0/0x6f0 [ 207.044822] ndisc_alloc_skb+0x144/0x340 [ 207.048895] ndisc_send_rs+0x331/0x6e0 [ 207.052797] addrconf_rs_timer+0x3c0/0x6f0 [ 207.057047] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 207.061301] call_timer_fn+0x272/0x920 [ 207.065189] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 207.069429] ? process_timeout+0x40/0x40 [ 207.073488] ? find_held_lock+0x36/0x1c0 [ 207.077569] ? __run_timers+0x7da/0xc70 [ 207.081564] ? _raw_spin_unlock_irq+0x27/0x80 [ 207.086063] ? _raw_spin_unlock_irq+0x27/0x80 [ 207.090576] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 207.094819] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 207.099418] ? trace_hardirqs_on+0xbd/0x310 [ 207.103742] ? kasan_check_read+0x11/0x20 [ 207.107892] ? __run_timers+0x7da/0xc70 [ 207.111869] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 207.117338] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 207.121583] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 207.126438] __run_timers+0x7e5/0xc70 [ 207.130281] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 207.135661] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 207.140686] ? graph_lock+0x170/0x170 [ 207.144492] ? enqueue_hrtimer+0x1a5/0x560 [ 207.148725] ? lock_release+0x970/0x970 [ 207.152711] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 207.157912] ? find_held_lock+0x36/0x1c0 [ 207.161990] ? pvclock_read_flags+0x160/0x160 [ 207.166493] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 207.172045] ? check_preemption_disabled+0x48/0x200 [ 207.177074] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 207.182612] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 207.187895] ? rcu_pm_notify+0xc0/0xc0 [ 207.191796] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 207.197338] ? check_preemption_disabled+0x48/0x200 [ 207.202367] run_timer_softirq+0x52/0xb0 [ 207.206428] ? rcu_read_lock_sched_held+0x108/0x120 [ 207.211447] __do_softirq+0x30b/0xad8 [ 207.215280] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 207.220393] ? pvclock_read_flags+0x160/0x160 [ 207.224891] ? lapic_next_event+0x5a/0x90 [ 207.229052] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 207.234597] ? check_preemption_disabled+0x48/0x200 [ 207.239623] ? check_preemption_disabled+0x48/0x200 [ 207.244650] ? kvm_clock_read+0x18/0x30 [ 207.248624] ? kvm_sched_clock_read+0x9/0x20 [ 207.253045] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 207.258584] ? check_preemption_disabled+0x48/0x200 [ 207.263613] irq_exit+0x17f/0x1c0 [ 207.267069] smp_apic_timer_interrupt+0x1cb/0x760 [ 207.271913] ? smp_reschedule_interrupt+0x109/0x650 [ 207.276934] ? smp_call_function_single_interrupt+0x650/0x650 [ 207.282825] ? interrupt_entry+0xb5/0xf0 [ 207.286890] ? trace_hardirqs_off_caller+0xbb/0x300 [ 207.291904] ? trace_hardirqs_off_caller+0xbb/0x300 [ 207.296921] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 207.301765] ? trace_hardirqs_off+0x300/0x300 [ 207.306296] ? trace_hardirqs_off+0x300/0x300 [ 207.310802] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 207.316346] ? check_preemption_disabled+0x48/0x200 [ 207.321365] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 207.326924] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 207.331787] apic_timer_interrupt+0xf/0x20 [ 207.336027] [ 207.338269] RIP: 0010:_raw_write_unlock_irq+0x56/0x80 [ 207.343479] Code: 52 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d ab aa 92 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 f0 ec 95 f9 65 8b 05 a9 6e 42 78 85 c0 74 05 5b [ 207.362395] RSP: 0018:ffff8801d8cf7350 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 207.370111] RAX: dffffc0000000000 RBX: ffffffff894090c0 RCX: 0000000000000000 [ 207.377380] RDX: 1ffffffff12a4537 RSI: 0000000000000001 RDI: ffffffff895229b8 [ 207.384652] RBP: ffff8801d8cf7358 R08: ffff8801c24ca580 R09: 0000000000000000 [ 207.391923] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d70737c0 [ 207.399191] R13: ffff8801d8cf7490 R14: 0000000000000000 R15: ffff8801c24cab00 [ 207.406520] do_exit+0x11ef/0x2610 [ 207.410068] ? mem_cgroup_commit_charge+0x275/0x9d0 [ 207.415095] ? mm_update_next_owner+0x990/0x990 [ 207.419770] ? print_usage_bug+0xc0/0xc0 [ 207.423868] ? graph_lock+0x170/0x170 [ 207.427677] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 207.433217] ? check_preemption_disabled+0x48/0x200 [ 207.438235] ? check_preemption_disabled+0x48/0x200 [ 207.443255] ? print_usage_bug+0xc0/0xc0 [ 207.447341] ? __lock_acquire+0x7ec/0x4ec0 [ 207.451586] ? __lock_acquire+0x7ec/0x4ec0 [ 207.455842] ? mark_held_locks+0x130/0x130 [ 207.460089] ? mark_held_locks+0x130/0x130 [ 207.464347] ? finish_task_switch+0x1b5/0x900 [ 207.468872] ? __switch_to_asm+0x34/0x70 [ 207.472944] ? __switch_to_asm+0x34/0x70 [ 207.477033] ? __switch_to_asm+0x34/0x70 [ 207.481098] ? __switch_to_asm+0x40/0x70 [ 207.485162] ? __switch_to_asm+0x34/0x70 [ 207.489219] ? __switch_to_asm+0x40/0x70 [ 207.493278] ? __switch_to_asm+0x34/0x70 [ 207.497363] ? __switch_to_asm+0x34/0x70 [ 207.501433] ? __switch_to_asm+0x34/0x70 [ 207.505499] ? __switch_to_asm+0x34/0x70 [ 207.509569] ? __switch_to_asm+0x40/0x70 [ 207.513628] ? __switch_to_asm+0x34/0x70 [ 207.517687] ? __switch_to_asm+0x40/0x70 [ 207.521755] ? graph_lock+0x170/0x170 [ 207.525565] ? graph_lock+0x170/0x170 [ 207.529371] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 207.534910] ? wait_consider_task+0x245/0x3bb0 [ 207.539500] ? memset+0x31/0x40 [ 207.542797] ? find_held_lock+0x36/0x1c0 [ 207.546875] ? get_signal+0x95b/0x1980 [ 207.550792] ? _raw_spin_unlock_irq+0x27/0x80 [ 207.555288] ? _raw_spin_unlock_irq+0x27/0x80 [ 207.559803] do_group_exit+0x177/0x440 [ 207.563695] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 207.569167] ? __ia32_sys_exit+0x50/0x50 [ 207.573243] get_signal+0x8b0/0x1980 [ 207.576973] ? ptrace_notify+0x130/0x130 [ 207.581040] ? do_wait+0x57d/0xb90 [ 207.584588] ? wait_consider_task+0x3bb0/0x3bb0 [ 207.589255] ? graph_lock+0x170/0x170 [ 207.593057] ? graph_lock+0x170/0x170 [ 207.596862] ? graph_lock+0x170/0x170 [ 207.600681] do_signal+0x9c/0x21e0 [ 207.604223] ? find_held_lock+0x36/0x1c0 [ 207.608313] ? setup_sigcontext+0x7d0/0x7d0 [ 207.612642] ? kernel_wait4+0x2e0/0x3f0 [ 207.616620] ? __ia32_sys_waitid+0x140/0x140 [ 207.621045] ? task_stopped_code+0x190/0x190 [ 207.625461] ? exit_to_usermode_loop+0x8c/0x380 [ 207.630152] ? __do_page_fault+0x4a6/0xed0 [ 207.634391] ? do_syscall_64+0x9a/0x820 [ 207.638367] ? do_syscall_64+0x9a/0x820 [ 207.642347] exit_to_usermode_loop+0x2e5/0x380 [ 207.646938] ? syscall_slow_exit_work+0x520/0x520 [ 207.651807] do_syscall_64+0x6be/0x820 [ 207.655697] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 207.661065] ? syscall_return_slowpath+0x5e0/0x5e0 [ 207.666016] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 207.670873] ? trace_hardirqs_off+0x300/0x300 [ 207.675372] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 207.680392] ? prepare_exit_to_usermode+0x291/0x3b0 [ 207.685416] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 207.690268] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 207.695460] RIP: 0033:0x410e7a [ 207.698657] Code: Bad RIP value. [ 207.702017] RSP: 002b:00007ffdfa797988 EFLAGS: 00000246 ORIG_RAX: 000000000000003d [ 207.709741] RAX: fffffffffffffe00 RBX: 00000000000014f2 RCX: 0000000000410e7a [ 207.717028] RDX: 0000000040000000 RSI: 00007ffdfa797994 RDI: ffffffffffffffff [ 207.724315] RBP: 0000000000930b28 R08: 00000000000014e7 R09: 00000000024eb940 [ 207.731604] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010 [ 207.738889] R13: 0000000000412a80 R14: 0000000000000000 R15: 0000000000000000 [ 207.746198] warn_alloc_show_mem: 1 callbacks suppressed [ 207.746212] CPU: 0 PID: 9562 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51 [ 207.746214] Mem-Info: [ 207.746244] active_anon:43308 inactive_anon:372 isolated_anon:0 [ 207.746244] active_file:9 inactive_file:26 isolated_file:0 [ 207.746244] unevictable:0 dirty:0 writeback:0 unstable:0 [ 207.746244] slab_reclaimable:8855 slab_unreclaimable:1462387 [ 207.746244] mapped:57522 shmem:379 pagetables:727 bounce:0 [ 207.746244] free:13711 free_pcp:202 free_cma:0 [ 207.751607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 207.758896] Node 0 active_anon:173232kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 207.761298] Call Trace: [ 207.794478] Node 0 [ 207.803829] [ 207.831602] 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 [ 207.834163] dump_stack+0x1c4/0x2b4 [ 207.836370] lowmem_reserve[]: 0 [ 207.838520] ? dump_stack_print_info.cold.2+0x52/0x52 [ 207.863997] 2817 [ 207.867635] warn_alloc.cold.118+0xb7/0x1bd [ 207.870876] 6321 [ 207.876058] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 207.878095] 6321 [ 207.882415] ? lock_downgrade+0x900/0x900 [ 207.889305] ? trace_hardirqs_off+0xb8/0x300 [ 207.891334] Node 0 [ 207.895477] ? trace_hardirqs_off+0xb8/0x300 [ 207.899903] DMA32 free:24940kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 207.902113] __alloc_pages_slowpath+0x2667/0x2d80 [ 207.906490] lowmem_reserve[]: [ 207.933325] ? warn_alloc+0x120/0x120 [ 207.938119] 0 [ 207.941222] ? __lock_acquire+0x7ec/0x4ec0 [ 207.944995] 0 [ 207.946790] ? warn_alloc+0x120/0x120 [ 207.951004] 3503 [ 207.952812] ? print_usage_bug+0xc0/0xc0 [ 207.956590] 3503 [ 207.958644] ? warn_alloc+0x120/0x120 [ 207.964741] ? print_usage_bug+0xc0/0xc0 [ 207.968517] Node 0 Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:169136kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5568kB pagetables:2908kB bounce:0kB free_pcp:808kB local_pcp:692kB free_cma:0kB [ 207.972603] ? mark_held_locks+0x130/0x130 [ 207.972619] ? mark_held_locks+0x130/0x130 [ 208.001655] lowmem_reserve[]: 0 [ 208.005898] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 208.010101] 0 [ 208.013377] ? should_fail+0x22d/0xd01 [ 208.018890] 0 [ 208.020690] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 208.024549] 0 [ 208.026345] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 208.031858] Node 0 [ 208.033656] ? __lock_acquire+0x7ec/0x4ec0 [ 208.038734] DMA: [ 208.040965] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 208.045192] 1*4kB [ 208.047258] ? should_fail+0x22d/0xd01 [ 208.052429] (U) [ 208.054573] ? __sanitizer_cov_trace_const_cmp1+0x10/0x20 [ 208.058436] 0*8kB [ 208.060420] ? mark_held_locks+0x130/0x130 [ 208.065925] 0*16kB 1*32kB [ 208.068094] ? mark_held_locks+0x130/0x130 [ 208.072294] (U) 2*64kB (U) [ 208.075156] ? graph_lock+0x170/0x170 [ 208.079367] 1*128kB [ 208.082297] ? graph_lock+0x170/0x170 [ 208.086074] (U) [ 208.088392] ? print_usage_bug+0xc0/0xc0 [ 208.092168] 1*256kB [ 208.094139] ? do_raw_spin_unlock+0xa7/0x2f0 [ 208.098171] (U) [ 208.100493] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 208.104873] 0*512kB [ 208.106846] ? check_preemption_disabled+0x48/0x200 [ 208.112353] 1*1024kB [ 208.114708] ? check_preemption_disabled+0x48/0x200 [ 208.119700] (U) [ 208.122110] ? __lock_is_held+0xb5/0x140 [ 208.127096] 1*2048kB [ 208.129071] __alloc_pages_nodemask+0xa80/0xde0 [ 208.133102] (M) [ 208.135505] ? graph_lock+0x170/0x170 [ 208.140152] 3*4096kB [ 208.142123] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 208.145917] (M) [ 208.148323] ? graph_lock+0x170/0x170 [ 208.153317] = 15908kB [ 208.155346] ? find_held_lock+0x36/0x1c0 [ 208.159132] Node 0 [ 208.161544] ? ____cache_alloc_node+0x1c7/0x1e0 [ 208.165572] DMA32: [ 208.167831] ? lock_downgrade+0x900/0x900 [ 208.172473] 3*4kB [ 208.174707] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 208.178825] (UM) [ 208.180980] cache_grow_begin+0x91/0x8c0 [ 208.186487] 2*8kB (U) [ 208.188567] ? do_raw_spin_unlock+0xa7/0x2f0 [ 208.192603] 5*16kB [ 208.195113] fallback_alloc+0x203/0x2e0 [ 208.199484] (UM) 2*32kB [ 208.201740] ____cache_alloc_node+0x1c7/0x1e0 [ 208.205682] (UM) [ 208.208355] kmem_cache_alloc_node+0xe3/0x730 [ 208.212820] 3*64kB (UM) [ 208.214891] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 208.219372] 4*128kB (UM) [ 208.222058] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 208.227132] 2*256kB [ 208.229888] __alloc_skb+0x119/0x770 [ 208.234440] (M) [ 208.236765] ? calc_wheel_index+0x220/0x220 [ 208.240447] 4*512kB (UM) [ 208.242433] ? skb_scrub_packet+0x490/0x490 [ 208.246722] 3*1024kB (M) [ 208.249498] ? vprintk_default+0x28/0x30 [ 208.253792] 1*2048kB [ 208.256767] ? vprintk_func+0x85/0x181 [ 208.256778] ? printk+0xa7/0xcf [ 208.256792] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 208.256820] new_skb+0x26/0x1c0 [ 208.260868] (U) [ 208.263274] aoecmd_cfg+0x279/0x7f0 [ 208.267141] 4*4096kB [ 208.270416] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 208.275143] (M) [ 208.278422] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 208.280370] = 24940kB [ 208.283988] ? check_preemption_disabled+0x48/0x200 [ 208.286629] Node 0 [ 208.290942] ? check_preemption_disabled+0x48/0x200 [ 208.292891] Normal: [ 208.298449] ? __lock_is_held+0xb5/0x140 [ 208.300828] 667*4kB [ 208.305845] discover_timer+0x50/0x60 [ 208.308053] (UMEH) [ 208.313064] call_timer_fn+0x272/0x920 [ 208.315362] 358*8kB [ 208.319430] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 208.321734] (UMEH) [ 208.325526] ? process_timeout+0x40/0x40 [ 208.327739] 191*16kB [ 208.331617] ? find_held_lock+0x36/0x1c0 [ 208.333925] (UMEH) [ 208.338768] ? __run_timers+0x7da/0xc70 [ 208.340989] 81*32kB [ 208.345054] ? _raw_spin_unlock_irq+0x27/0x80 [ 208.347439] (UMEH) [ 208.351496] ? _raw_spin_unlock_irq+0x27/0x80 [ 208.353709] 30*64kB [ 208.357680] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 208.359979] (UMH) [ 208.364473] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 208.366685] 1*128kB [ 208.371180] ? trace_hardirqs_on+0xbd/0x310 [ 208.373478] (M) [ 208.378324] ? kasan_check_read+0x11/0x20 [ 208.380448] 3*256kB [ 208.385030] ? __run_timers+0x7da/0xc70 [ 208.387335] (UH) [ 208.391649] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 208.393602] 0*512kB [ 208.397749] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 208.400063] 0*1024kB [ 208.404037] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 208.406073] 0*2048kB [ 208.411519] __run_timers+0x7e5/0xc70 [ 208.413818] 0*4096kB [ 208.418064] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 208.420445] = 13996kB [ 208.425307] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 208.427698] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 208.431485] ? graph_lock+0x170/0x170 [ 208.433881] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 208.439247] ? enqueue_hrtimer+0x1a5/0x560 [ 208.441637] 414 total pagecache pages [ 208.446645] ? lock_release+0x970/0x970 [ 208.455469] 0 pages in swap cache [ 208.459261] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 208.467815] Swap cache stats: add 0, delete 0, find 0/0 [ 208.472052] ? find_held_lock+0x36/0x1c0 [ 208.475832] Free swap = 0kB [ 208.479812] ? graph_lock+0x170/0x170 [ 208.483235] Total swap = 0kB [ 208.488422] ? pvclock_read_flags+0x160/0x160 [ 208.493791] 1965979 pages RAM [ 208.497874] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 208.500867] 0 pages HighMem/MovableOnly [ 208.504665] ? check_preemption_disabled+0x48/0x200 [ 208.507664] 342744 pages reserved [ 208.512159] ? __lock_is_held+0xb5/0x140 [ 208.515233] 0 pages cma reserved [ 208.520770] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 208.524808] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 208.529770] ? check_preemption_disabled+0x48/0x200 [ 208.529792] run_timer_softirq+0x52/0xb0 [ 208.529806] ? rcu_read_lock_sched_held+0x108/0x120 [ 208.529826] __do_softirq+0x30b/0xad8 [ 208.533333] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 208.537338] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 208.540677] syz-executor1 cpuset= [ 208.546215] ? pvclock_read_flags+0x160/0x160 [ 208.552687] / [ 208.557697] ? lapic_next_event+0x5a/0x90 [ 208.561738] mems_allowed=0 [ 208.566750] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 208.608318] ? check_preemption_disabled+0x48/0x200 [ 208.613346] ? check_preemption_disabled+0x48/0x200 [ 208.618377] ? kvm_clock_read+0x18/0x30 [ 208.622359] ? kvm_sched_clock_read+0x9/0x20 [ 208.626784] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 208.632349] ? check_preemption_disabled+0x48/0x200 [ 208.637397] irq_exit+0x17f/0x1c0 [ 208.640865] smp_apic_timer_interrupt+0x1cb/0x760 [ 208.645709] ? smp_reschedule_interrupt+0x109/0x650 [ 208.650735] ? smp_call_function_single_interrupt+0x650/0x650 [ 208.656624] ? interrupt_entry+0xb5/0xf0 [ 208.660688] ? trace_hardirqs_off_caller+0xbb/0x300 [ 208.665708] ? trace_hardirqs_off_caller+0xbb/0x300 [ 208.670739] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 208.675588] ? trace_hardirqs_off+0x300/0x300 [ 208.680110] ? trace_hardirqs_off+0x300/0x300 [ 208.684616] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 208.690161] ? check_preemption_disabled+0x48/0x200 [ 208.695181] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 208.700731] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 208.705589] apic_timer_interrupt+0xf/0x20 [ 208.709817] [ 208.712061] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 208.717005] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 208.736035] RSP: 0000:ffff88019f217748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 208.743750] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 208.751017] RDX: 0000000000000000 RSI: ffff88019f972d00 RDI: 0000000000000282 [ 208.758298] RBP: ffff88019f2177b0 R08: ffff88019f972480 R09: 0000000000000000 [ 208.765569] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 208.772838] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 208.780165] skb_clone+0x1bb/0x500 [ 208.783715] ? finish_task_switch+0x2f5/0x900 [ 208.788249] ? skb_split+0x11e0/0x11e0 [ 208.792146] ? preempt_notifier_register+0x200/0x200 [ 208.797251] ? __switch_to_asm+0x34/0x70 [ 208.801319] ? __switch_to_asm+0x34/0x70 [ 208.805379] ? __switch_to_asm+0x40/0x70 [ 208.809437] ? __switch_to_asm+0x34/0x70 [ 208.813503] ? __switch_to_asm+0x40/0x70 [ 208.817561] ? __switch_to_asm+0x34/0x70 [ 208.821622] ? __switch_to_asm+0x40/0x70 [ 208.825683] ? __switch_to_asm+0x34/0x70 [ 208.829779] ? __switch_to_asm+0x34/0x70 [ 208.833905] ? __switch_to_asm+0x40/0x70 [ 208.837982] ? __switch_to_asm+0x34/0x70 [ 208.842087] bpf_clone_redirect+0xb9/0x490 [ 208.846360] ? __schedule+0x874/0x1ed0 [ 208.850255] bpf_prog_a2323609a0d1adb1+0x624/0x1000 [ 208.855278] ? __sched_text_start+0x8/0x8 [ 208.859432] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 208.864222] ? find_held_lock+0x36/0x1c0 [ 208.868301] ? lock_acquire+0x1ed/0x520 [ 208.872281] ? bpf_test_run+0x32e/0x5a0 [ 208.876271] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 208.881815] ? check_preemption_disabled+0x48/0x200 [ 208.886861] ? kasan_check_read+0x11/0x20 [ 208.891058] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 208.896341] ? rcu_bh_qs+0xc0/0xc0 [ 208.899882] ? preempt_schedule+0x4d/0x60 [ 208.904041] ? ___preempt_schedule+0x16/0x18 [ 208.908463] ? bpf_test_run+0x1c0/0x5a0 [ 208.912450] ? netlink_diag_dump+0x2a0/0x2a0 [ 208.916863] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 208.922399] ? bpf_test_init.isra.9+0x70/0x100 [ 208.926984] ? bpf_prog_test_run_skb+0x634/0xb40 [ 208.931794] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 208.936638] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 208.942193] ? fput+0x130/0x1a0 [ 208.945475] ? __bpf_prog_get+0x9b/0x290 [ 208.949543] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 208.954397] ? bpf_prog_test_run+0x130/0x1a0 [ 208.958809] ? __x64_sys_bpf+0x3d8/0x510 [ 208.962876] ? bpf_prog_get+0x20/0x20 [ 208.966702] ? do_syscall_64+0x1b9/0x820 [ 208.970764] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 208.976132] ? syscall_return_slowpath+0x5e0/0x5e0 [ 208.981068] ? trace_hardirqs_off+0x300/0x300 [ 208.985570] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 208.990589] ? recalc_sigpending_tsk+0x180/0x180 [ 208.995370] ? kasan_check_write+0x14/0x20 [ 208.999630] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 209.004489] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 209.009901] CPU: 1 PID: 5351 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51 [ 209.009968] aoe: skb alloc failure [ 209.017099] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 209.017104] Call Trace: [ 209.017111] [ 209.017129] dump_stack+0x1c4/0x2b4 [ 209.017147] ? dump_stack_print_info.cold.2+0x52/0x52 [ 209.020715] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 209.030058] warn_alloc.cold.118+0xb7/0x1bd [ 209.032621] syz-executor0 cpuset= [ 209.034771] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 209.038376] syz0 [ 209.043561] ? lock_downgrade+0x900/0x900 [ 209.054030] mems_allowed=0 [ 209.058350] ? trace_hardirqs_off+0xb8/0x300 [ 209.080067] ? trace_hardirqs_off+0xb8/0x300 [ 209.084502] __alloc_pages_slowpath+0x2667/0x2d80 [ 209.089377] ? warn_alloc+0x120/0x120 [ 209.093190] ? warn_alloc+0x120/0x120 [ 209.097003] ? print_usage_bug+0xc0/0xc0 [ 209.101077] ? warn_alloc+0x120/0x120 [ 209.104882] ? print_usage_bug+0xc0/0xc0 [ 209.108948] ? __lock_acquire+0x7ec/0x4ec0 [ 209.113181] ? __lock_acquire+0x7ec/0x4ec0 [ 209.117421] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 209.122967] ? should_fail+0x22d/0xd01 [ 209.127148] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 209.132254] ? __lock_acquire+0x7ec/0x4ec0 [ 209.136496] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 209.141597] ? __lock_acquire+0x7ec/0x4ec0 [ 209.145833] ? should_fail+0x22d/0xd01 [ 209.149734] ? mark_held_locks+0x130/0x130 [ 209.153979] ? mark_held_locks+0x130/0x130 [ 209.158235] ? graph_lock+0x170/0x170 [ 209.162050] ? graph_lock+0x170/0x170 [ 209.165857] ? graph_lock+0x170/0x170 [ 209.169715] ? print_usage_bug+0xc0/0xc0 [ 209.173798] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 209.179336] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 209.184878] ? check_preemption_disabled+0x48/0x200 [ 209.189895] ? check_preemption_disabled+0x48/0x200 [ 209.194926] ? __lock_is_held+0xb5/0x140 [ 209.198998] __alloc_pages_nodemask+0xa80/0xde0 [ 209.203679] ? graph_lock+0x170/0x170 [ 209.207487] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 209.212500] ? graph_lock+0x170/0x170 [ 209.216328] ? find_held_lock+0x36/0x1c0 [ 209.220401] ? ____cache_alloc_node+0x1c7/0x1e0 [ 209.225074] ? lock_downgrade+0x900/0x900 [ 209.229231] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 209.234779] cache_grow_begin+0x91/0x8c0 [ 209.238868] ? do_raw_spin_unlock+0xa7/0x2f0 [ 209.243289] fallback_alloc+0x203/0x2e0 [ 209.247277] ____cache_alloc_node+0x1c7/0x1e0 [ 209.251791] kmem_cache_alloc_node+0xe3/0x730 [ 209.256290] ? ipv6_get_ifaddr+0x42e/0x620 [ 209.260537] __alloc_skb+0x119/0x770 [ 209.264253] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 209.269535] ? skb_scrub_packet+0x490/0x490 [ 209.273860] ? lock_downgrade+0x900/0x900 [ 209.278019] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 209.283573] ? refcount_sub_and_test_checked+0x203/0x310 [ 209.289074] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 209.294542] ? addrconf_rs_timer+0x6f0/0x6f0 [ 209.298981] ndisc_alloc_skb+0x144/0x340 [ 209.303068] ndisc_send_rs+0x331/0x6e0 [ 209.306973] addrconf_rs_timer+0x3c0/0x6f0 [ 209.311221] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 209.315472] call_timer_fn+0x272/0x920 [ 209.319371] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 209.323617] ? process_timeout+0x40/0x40 [ 209.327681] ? find_held_lock+0x36/0x1c0 [ 209.331757] ? __run_timers+0x7da/0xc70 [ 209.335747] ? _raw_spin_unlock_irq+0x27/0x80 [ 209.340247] ? _raw_spin_unlock_irq+0x27/0x80 [ 209.344745] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 209.349002] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 209.353615] ? trace_hardirqs_on+0xbd/0x310 [ 209.357955] ? kasan_check_read+0x11/0x20 [ 209.362125] ? __run_timers+0x7da/0xc70 [ 209.366111] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 209.371583] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 209.375834] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 209.380077] __run_timers+0x7e5/0xc70 [ 209.383896] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 209.389268] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 209.394294] ? graph_lock+0x170/0x170 [ 209.398108] ? enqueue_hrtimer+0x1a5/0x560 [ 209.402346] ? lock_release+0x970/0x970 [ 209.406324] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 209.411523] ? find_held_lock+0x36/0x1c0 [ 209.415603] ? pvclock_read_flags+0x160/0x160 [ 209.420114] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 209.425671] ? check_preemption_disabled+0x48/0x200 [ 209.430713] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 209.436268] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 209.441554] ? rcu_pm_notify+0xc0/0xc0 [ 209.445447] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 209.450999] ? check_preemption_disabled+0x48/0x200 [ 209.456043] run_timer_softirq+0x52/0xb0 [ 209.460112] ? rcu_read_lock_sched_held+0x108/0x120 [ 209.465138] __do_softirq+0x30b/0xad8 [ 209.468958] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 209.474073] ? pvclock_read_flags+0x160/0x160 [ 209.478574] ? lapic_next_event+0x5a/0x90 [ 209.482727] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 209.488272] ? check_preemption_disabled+0x48/0x200 [ 209.493295] ? check_preemption_disabled+0x48/0x200 [ 209.498321] ? kvm_clock_read+0x18/0x30 [ 209.502303] ? kvm_sched_clock_read+0x9/0x20 [ 209.506727] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 209.512281] ? check_preemption_disabled+0x48/0x200 [ 209.517328] irq_exit+0x17f/0x1c0 [ 209.520807] smp_apic_timer_interrupt+0x1cb/0x760 [ 209.525692] ? smp_reschedule_interrupt+0x109/0x650 [ 209.530717] ? smp_call_function_single_interrupt+0x650/0x650 [ 209.536604] ? interrupt_entry+0xb5/0xf0 [ 209.540668] ? trace_hardirqs_off_caller+0xbb/0x300 [ 209.545682] ? trace_hardirqs_off_caller+0xbb/0x300 [ 209.550704] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 209.555551] ? trace_hardirqs_off+0x300/0x300 [ 209.560055] ? trace_hardirqs_off+0x300/0x300 [ 209.564550] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 209.570096] ? check_preemption_disabled+0x48/0x200 [ 209.575112] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 209.580657] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 209.585511] apic_timer_interrupt+0xf/0x20 [ 209.589760] [ 209.592046] RIP: 0010:_raw_write_unlock_irq+0x56/0x80 [ 209.597242] Code: 52 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d ab aa 92 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 f0 ec 95 f9 65 8b 05 a9 6e 42 78 85 c0 74 05 5b [ 209.616142] RSP: 0018:ffff8801d8cf7350 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 209.623853] RAX: dffffc0000000000 RBX: ffffffff894090c0 RCX: 0000000000000000 [ 209.631154] RDX: 1ffffffff12a4537 RSI: 0000000000000001 RDI: ffffffff895229b8 [ 209.638421] RBP: ffff8801d8cf7358 R08: ffff8801c24ca580 R09: 0000000000000000 [ 209.645719] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d70737c0 [ 209.652985] R13: ffff8801d8cf7490 R14: 0000000000000000 R15: ffff8801c24cab00 [ 209.660291] do_exit+0x11ef/0x2610 [ 209.663852] ? mem_cgroup_commit_charge+0x275/0x9d0 [ 209.668890] ? mm_update_next_owner+0x990/0x990 [ 209.673565] ? print_usage_bug+0xc0/0xc0 [ 209.677625] ? graph_lock+0x170/0x170 [ 209.681434] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 209.686975] ? check_preemption_disabled+0x48/0x200 [ 209.691990] ? check_preemption_disabled+0x48/0x200 [ 209.697012] ? print_usage_bug+0xc0/0xc0 [ 209.701105] ? __lock_acquire+0x7ec/0x4ec0 [ 209.705349] ? __lock_acquire+0x7ec/0x4ec0 [ 209.709612] ? mark_held_locks+0x130/0x130 [ 209.713879] ? mark_held_locks+0x130/0x130 [ 209.718151] ? finish_task_switch+0x1b5/0x900 [ 209.722662] ? __switch_to_asm+0x34/0x70 [ 209.726729] ? __switch_to_asm+0x34/0x70 [ 209.730795] ? __switch_to_asm+0x34/0x70 [ 209.734858] ? __switch_to_asm+0x40/0x70 [ 209.738917] ? __switch_to_asm+0x34/0x70 [ 209.742974] ? __switch_to_asm+0x40/0x70 [ 209.747045] ? __switch_to_asm+0x34/0x70 [ 209.751119] ? __switch_to_asm+0x34/0x70 [ 209.755219] ? __switch_to_asm+0x34/0x70 [ 209.759320] ? __switch_to_asm+0x34/0x70 [ 209.763394] ? __switch_to_asm+0x40/0x70 [ 209.767454] ? __switch_to_asm+0x34/0x70 [ 209.771513] ? __switch_to_asm+0x40/0x70 [ 209.775586] ? graph_lock+0x170/0x170 [ 209.779392] ? graph_lock+0x170/0x170 [ 209.783201] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 209.788739] ? wait_consider_task+0x245/0x3bb0 [ 209.793328] ? memset+0x31/0x40 [ 209.796618] ? find_held_lock+0x36/0x1c0 [ 209.800690] ? get_signal+0x95b/0x1980 [ 209.804584] ? _raw_spin_unlock_irq+0x27/0x80 [ 209.809085] ? _raw_spin_unlock_irq+0x27/0x80 [ 209.813592] do_group_exit+0x177/0x440 [ 209.817484] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 209.822932] ? __ia32_sys_exit+0x50/0x50 [ 209.827017] get_signal+0x8b0/0x1980 [ 209.830802] ? ptrace_notify+0x130/0x130 [ 209.834878] ? do_wait+0x57d/0xb90 [ 209.838424] ? wait_consider_task+0x3bb0/0x3bb0 [ 209.843094] ? graph_lock+0x170/0x170 [ 209.846898] ? graph_lock+0x170/0x170 [ 209.850708] ? graph_lock+0x170/0x170 [ 209.854537] do_signal+0x9c/0x21e0 [ 209.858093] ? find_held_lock+0x36/0x1c0 [ 209.862196] ? setup_sigcontext+0x7d0/0x7d0 [ 209.866538] ? kernel_wait4+0x2e0/0x3f0 [ 209.870539] ? __ia32_sys_waitid+0x140/0x140 [ 209.874976] ? task_stopped_code+0x190/0x190 [ 209.879408] ? exit_to_usermode_loop+0x8c/0x380 [ 209.884108] ? __do_page_fault+0x4a6/0xed0 [ 209.888358] ? do_syscall_64+0x9a/0x820 [ 209.892341] ? do_syscall_64+0x9a/0x820 [ 209.896322] exit_to_usermode_loop+0x2e5/0x380 [ 209.900919] ? syscall_slow_exit_work+0x520/0x520 [ 209.905788] do_syscall_64+0x6be/0x820 [ 209.909686] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 209.915059] ? syscall_return_slowpath+0x5e0/0x5e0 [ 209.919992] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 209.924870] ? trace_hardirqs_off+0x300/0x300 [ 209.929371] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 209.934393] ? prepare_exit_to_usermode+0x291/0x3b0 [ 209.939416] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 209.944269] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 209.949460] RIP: 0033:0x410e7a [ 209.952654] Code: Bad RIP value. [ 209.956017] RSP: 002b:00007ffdfa797988 EFLAGS: 00000246 ORIG_RAX: 000000000000003d [ 209.963739] RAX: fffffffffffffe00 RBX: 00000000000014f2 RCX: 0000000000410e7a [ 209.971053] RDX: 0000000040000000 RSI: 00007ffdfa797994 RDI: ffffffffffffffff [ 209.978329] RBP: 0000000000930b28 R08: 00000000000014e7 R09: 00000000024eb940 [ 209.985617] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010 [ 209.992902] R13: 0000000000412a80 R14: 0000000000000000 R15: 0000000000000000 [ 210.000205] warn_alloc_show_mem: 1 callbacks suppressed [ 210.000218] CPU: 0 PID: 9562 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51 [ 210.000220] Mem-Info: [ 210.000249] active_anon:43308 inactive_anon:372 isolated_anon:0 [ 210.000249] active_file:9 inactive_file:26 isolated_file:0 [ 210.000249] unevictable:0 dirty:0 writeback:0 unstable:0 [ 210.000249] slab_reclaimable:8855 slab_unreclaimable:1462387 [ 210.000249] mapped:57522 shmem:379 pagetables:727 bounce:0 [ 210.000249] free:13711 free_pcp:202 free_cma:0 [ 210.005599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 210.012797] Node 0 active_anon:173232kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 210.015192] Call Trace: [ 210.048000] Node 0 [ 210.057370] [ 210.085159] 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 [ 210.087734] dump_stack+0x1c4/0x2b4 [ 210.089939] lowmem_reserve[]: [ 210.092092] ? dump_stack_print_info.cold.2+0x52/0x52 [ 210.117689] 0 2817 [ 210.121355] warn_alloc.cold.118+0xb7/0x1bd [ 210.124423] 6321 [ 210.129870] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 210.132088] 6321 [ 210.136409] ? lock_downgrade+0x900/0x900 [ 210.143299] ? trace_hardirqs_off+0xb8/0x300 [ 210.145349] Node 0 [ 210.149491] ? trace_hardirqs_off+0xb8/0x300 [ 210.153896] DMA32 free:24940kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 210.156107] __alloc_pages_slowpath+0x2667/0x2d80 [ 210.160478] lowmem_reserve[]: 0 [ 210.187330] ? warn_alloc+0x120/0x120 [ 210.192127] 0 [ 210.195406] ? __lock_acquire+0x7ec/0x4ec0 [ 210.199187] 3503 [ 210.200984] ? warn_alloc+0x120/0x120 [ 210.205191] 3503 [ 210.207251] ? print_usage_bug+0xc0/0xc0 [ 210.211039] Node 0 [ 210.213103] ? warn_alloc+0x120/0x120 [ 210.217167] Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:169136kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5568kB pagetables:2908kB bounce:0kB free_pcp:808kB local_pcp:692kB free_cma:0kB [ 210.219385] ? print_usage_bug+0xc0/0xc0 [ 210.223166] lowmem_reserve[]: [ 210.251679] ? mark_held_locks+0x130/0x130 [ 210.255805] 0 0 [ 210.259159] ? mark_held_locks+0x130/0x130 [ 210.263392] 0 [ 210.265372] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 210.269579] 0 [ 210.271383] ? should_fail+0x22d/0xd01 [ 210.278697] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 210.282556] Node 0 DMA: [ 210.288096] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 210.288112] ? __lock_acquire+0x7ec/0x4ec0 [ 210.290766] 1*4kB [ 210.295863] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 210.300074] (U) [ 210.302222] ? should_fail+0x22d/0xd01 [ 210.307296] 0*8kB 0*16kB [ 210.309290] ? mark_held_locks+0x130/0x130 [ 210.313138] 1*32kB (U) [ 210.315910] ? mark_held_locks+0x130/0x130 [ 210.320122] 2*64kB [ 210.322701] ? graph_lock+0x170/0x170 [ 210.326911] (U) [ 210.329144] ? graph_lock+0x170/0x170 [ 210.332923] 1*128kB [ 210.334897] ? print_usage_bug+0xc0/0xc0 [ 210.338673] (U) [ 210.340997] ? do_raw_spin_unlock+0xa7/0x2f0 [ 210.345032] 1*256kB (U) [ 210.347014] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 210.351406] 0*512kB [ 210.354076] ? check_preemption_disabled+0x48/0x200 [ 210.359585] 1*1024kB [ 210.361911] ? check_preemption_disabled+0x48/0x200 [ 210.366899] (U) [ 210.369324] ? __lock_is_held+0xb5/0x140 [ 210.374303] 1*2048kB (M) [ 210.376292] __alloc_pages_nodemask+0xa80/0xde0 [ 210.380325] 3*4096kB [ 210.383084] ? graph_lock+0x170/0x170 [ 210.387726] (M) [ 210.390136] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 210.393907] = 15908kB [ 210.393915] Node 0 [ 210.395889] ? graph_lock+0x170/0x170 [ 210.400880] DMA32: [ 210.403299] ? find_held_lock+0x36/0x1c0 [ 210.405502] 3*4kB [ 210.409324] ? ____cache_alloc_node+0x1c7/0x1e0 [ 210.411533] (UM) [ 210.415591] ? lock_downgrade+0x900/0x900 [ 210.417726] 2*8kB [ 210.422398] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 210.424431] (U) [ 210.428577] cache_grow_begin+0x91/0x8c0 [ 210.430703] 5*16kB [ 210.436244] ? do_raw_spin_unlock+0xa7/0x2f0 [ 210.438210] (UM) [ 210.442271] fallback_alloc+0x203/0x2e0 [ 210.444478] 2*32kB (UM) [ 210.448894] ____cache_alloc_node+0x1c7/0x1e0 [ 210.450929] 3*64kB [ 210.454898] kmem_cache_alloc_node+0xe3/0x730 [ 210.457545] (UM) [ 210.462046] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 210.464258] 4*128kB [ 210.468745] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 210.470781] (UM) [ 210.475884] __alloc_skb+0x119/0x770 [ 210.478185] 2*256kB [ 210.482762] ? calc_wheel_index+0x220/0x220 [ 210.484843] (M) [ 210.488548] ? skb_scrub_packet+0x490/0x490 [ 210.490847] 4*512kB [ 210.495169] ? vprintk_default+0x28/0x30 [ 210.497113] (UM) [ 210.501429] ? vprintk_func+0x85/0x181 [ 210.503726] 3*1024kB (M) [ 210.507790] ? printk+0xa7/0xcf [ 210.509837] 1*2048kB [ 210.513717] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 210.516449] (U) [ 210.519727] new_skb+0x26/0x1c0 [ 210.522112] 4*4096kB [ 210.526861] aoecmd_cfg+0x279/0x7f0 [ 210.528819] (M) [ 210.532096] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 210.534481] = 24940kB [ 210.538108] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 210.540059] Node 0 [ 210.544378] ? check_preemption_disabled+0x48/0x200 [ 210.546761] Normal: [ 210.552298] ? check_preemption_disabled+0x48/0x200 [ 210.554502] 667*4kB [ 210.559518] ? __lock_is_held+0xb5/0x140 [ 210.561812] (UMEH) [ 210.566848] discover_timer+0x50/0x60 [ 210.569150] 358*8kB [ 210.573205] call_timer_fn+0x272/0x920 [ 210.575414] (UMEH) [ 210.579207] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 210.581510] 191*16kB [ 210.585397] ? process_timeout+0x40/0x40 [ 210.587611] (UMEH) [ 210.592456] ? find_held_lock+0x36/0x1c0 [ 210.594846] 81*32kB [ 210.598911] ? __run_timers+0x7da/0xc70 [ 210.601116] (UMEH) [ 210.605175] ? _raw_spin_unlock_irq+0x27/0x80 [ 210.607474] 30*64kB [ 210.611457] ? _raw_spin_unlock_irq+0x27/0x80 [ 210.613669] (UMH) [ 210.618162] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 210.620459] 1*128kB [ 210.624947] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 210.627073] (M) [ 210.631909] ? trace_hardirqs_on+0xbd/0x310 [ 210.634205] 3*256kB (UH) [ 210.638791] ? kasan_check_read+0x11/0x20 [ 210.640743] 0*512kB [ 210.645065] ? __run_timers+0x7da/0xc70 [ 210.647802] 0*1024kB [ 210.651953] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 210.654259] 0*2048kB [ 210.658272] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 210.660655] 0*4096kB = 13996kB [ 210.666119] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 210.668511] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 210.672754] __run_timers+0x7e5/0xc70 [ 210.675944] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 210.680784] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 210.689593] 414 total pagecache pages [ 210.693386] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 210.701944] 0 pages in swap cache [ 210.707301] ? graph_lock+0x170/0x170 [ 210.711082] Swap cache stats: add 0, delete 0, find 0/0 [ 210.716085] ? enqueue_hrtimer+0x1a5/0x560 [ 210.719521] Free swap = 0kB [ 210.723320] ? lock_release+0x970/0x970 [ 210.728659] Total swap = 0kB [ 210.732891] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 210.735906] 1965979 pages RAM [ 210.739881] ? find_held_lock+0x36/0x1c0 [ 210.742873] 0 pages HighMem/MovableOnly [ 210.748070] ? graph_lock+0x170/0x170 [ 210.751157] 342744 pages reserved [ 210.751169] 0 pages cma reserved [ 210.755237] ? pvclock_read_flags+0x160/0x160 [ 210.759255] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 210.762995] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 210.766490] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 210.769790] ? check_preemption_disabled+0x48/0x200 [ 210.774270] syz-executor1 cpuset= [ 210.780834] ? __lock_is_held+0xb5/0x140 [ 210.786350] / [ 210.796848] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 210.801854] mems_allowed=0 [ 210.805316] ? check_preemption_disabled+0x48/0x200 [ 210.824821] run_timer_softirq+0x52/0xb0 [ 210.828905] ? rcu_read_lock_sched_held+0x108/0x120 [ 210.833940] __do_softirq+0x30b/0xad8 [ 210.837756] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 210.842869] ? pvclock_read_flags+0x160/0x160 [ 210.847366] ? lapic_next_event+0x5a/0x90 [ 210.851529] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 210.857082] ? check_preemption_disabled+0x48/0x200 [ 210.862100] ? check_preemption_disabled+0x48/0x200 [ 210.867128] ? kvm_clock_read+0x18/0x30 [ 210.871103] ? kvm_sched_clock_read+0x9/0x20 [ 210.875515] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 210.881065] ? check_preemption_disabled+0x48/0x200 [ 210.886097] irq_exit+0x17f/0x1c0 [ 210.889559] smp_apic_timer_interrupt+0x1cb/0x760 [ 210.894405] ? smp_reschedule_interrupt+0x109/0x650 [ 210.899444] ? smp_call_function_single_interrupt+0x650/0x650 [ 210.905360] ? interrupt_entry+0xb5/0xf0 [ 210.909442] ? trace_hardirqs_off_caller+0xbb/0x300 [ 210.914479] ? trace_hardirqs_off_caller+0xbb/0x300 [ 210.919520] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 210.924376] ? trace_hardirqs_off+0x300/0x300 [ 210.928873] ? trace_hardirqs_off+0x300/0x300 [ 210.933375] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 210.938921] ? check_preemption_disabled+0x48/0x200 [ 210.943944] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 210.949495] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 210.954354] apic_timer_interrupt+0xf/0x20 [ 210.958582] [ 210.960822] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 210.965756] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 210.984769] RSP: 0000:ffff88019f217748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 210.992488] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 210.999759] RDX: 0000000000000000 RSI: ffff88019f972d00 RDI: 0000000000000282 [ 211.007036] RBP: ffff88019f2177b0 R08: ffff88019f972480 R09: 0000000000000000 [ 211.014317] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 211.021589] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 211.028909] skb_clone+0x1bb/0x500 [ 211.032455] ? finish_task_switch+0x2f5/0x900 [ 211.036955] ? skb_split+0x11e0/0x11e0 [ 211.040845] ? preempt_notifier_register+0x200/0x200 [ 211.045973] ? __switch_to_asm+0x34/0x70 [ 211.050043] ? __switch_to_asm+0x34/0x70 [ 211.054110] ? __switch_to_asm+0x40/0x70 [ 211.058173] ? __switch_to_asm+0x34/0x70 [ 211.062230] ? __switch_to_asm+0x40/0x70 [ 211.066299] ? __switch_to_asm+0x34/0x70 [ 211.070358] ? __switch_to_asm+0x40/0x70 [ 211.074417] ? __switch_to_asm+0x34/0x70 [ 211.078478] ? __switch_to_asm+0x34/0x70 [ 211.082542] ? __switch_to_asm+0x40/0x70 [ 211.086604] ? __switch_to_asm+0x34/0x70 [ 211.090677] bpf_clone_redirect+0xb9/0x490 [ 211.095005] ? __schedule+0x874/0x1ed0 [ 211.098910] bpf_prog_a2323609a0d1adb1+0x624/0x1000 [ 211.103930] ? __sched_text_start+0x8/0x8 [ 211.108082] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 211.112854] ? find_held_lock+0x36/0x1c0 [ 211.116926] ? lock_acquire+0x1ed/0x520 [ 211.120902] ? bpf_test_run+0x32e/0x5a0 [ 211.125345] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 211.130890] ? check_preemption_disabled+0x48/0x200 [ 211.135917] ? kasan_check_read+0x11/0x20 [ 211.140091] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 211.145371] ? rcu_bh_qs+0xc0/0xc0 [ 211.148919] ? preempt_schedule+0x4d/0x60 [ 211.153073] ? ___preempt_schedule+0x16/0x18 [ 211.157492] ? bpf_test_run+0x1c0/0x5a0 [ 211.161482] ? netlink_diag_dump+0x2a0/0x2a0 [ 211.165900] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 211.171441] ? bpf_test_init.isra.9+0x70/0x100 [ 211.176037] ? bpf_prog_test_run_skb+0x634/0xb40 [ 211.180823] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 211.185669] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 211.191209] ? fput+0x130/0x1a0 [ 211.194510] ? __bpf_prog_get+0x9b/0x290 [ 211.198576] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 211.203419] ? bpf_prog_test_run+0x130/0x1a0 [ 211.207838] ? __x64_sys_bpf+0x3d8/0x510 [ 211.211928] ? bpf_prog_get+0x20/0x20 [ 211.215755] ? do_syscall_64+0x1b9/0x820 [ 211.219818] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 211.225201] ? syscall_return_slowpath+0x5e0/0x5e0 [ 211.230149] ? trace_hardirqs_off+0x300/0x300 [ 211.234652] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 211.239669] ? recalc_sigpending_tsk+0x180/0x180 [ 211.244432] ? kasan_check_write+0x14/0x20 [ 211.248676] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 211.253549] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 211.258942] CPU: 1 PID: 5351 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51 [ 211.259039] aoe: skb alloc failure [ 211.266146] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 211.266156] Call Trace: [ 211.269773] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 211.279046] [ 211.281618] syz-executor0 cpuset= [ 211.292103] dump_stack+0x1c4/0x2b4 [ 211.294226] syz0 [ 211.297700] ? dump_stack_print_info.cold.2+0x52/0x52 [ 211.301311] mems_allowed=0 [ 211.303291] warn_alloc.cold.118+0xb7/0x1bd [ 211.315687] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 211.320535] ? lock_downgrade+0x900/0x900 [ 211.324693] ? trace_hardirqs_off+0xb8/0x300 [ 211.329123] ? trace_hardirqs_off+0xb8/0x300 [ 211.333545] __alloc_pages_slowpath+0x2667/0x2d80 [ 211.338426] ? warn_alloc+0x120/0x120 [ 211.342234] ? warn_alloc+0x120/0x120 [ 211.346048] ? print_usage_bug+0xc0/0xc0 [ 211.350115] ? warn_alloc+0x120/0x120 [ 211.353923] ? print_usage_bug+0xc0/0xc0 [ 211.357996] ? __lock_acquire+0x7ec/0x4ec0 [ 211.362240] ? __lock_acquire+0x7ec/0x4ec0 [ 211.366481] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 211.372035] ? should_fail+0x22d/0xd01 [ 211.375944] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 211.381081] ? __lock_acquire+0x7ec/0x4ec0 [ 211.385365] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 211.390484] ? __lock_acquire+0x7ec/0x4ec0 [ 211.394736] ? should_fail+0x22d/0xd01 [ 211.398733] ? mark_held_locks+0x130/0x130 [ 211.402979] ? mark_held_locks+0x130/0x130 [ 211.407222] ? graph_lock+0x170/0x170 [ 211.411038] ? graph_lock+0x170/0x170 [ 211.414845] ? graph_lock+0x170/0x170 [ 211.418651] ? print_usage_bug+0xc0/0xc0 [ 211.422721] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 211.428271] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 211.433822] ? check_preemption_disabled+0x48/0x200 [ 211.438846] ? check_preemption_disabled+0x48/0x200 [ 211.443877] ? __lock_is_held+0xb5/0x140 [ 211.447968] __alloc_pages_nodemask+0xa80/0xde0 [ 211.452662] ? graph_lock+0x170/0x170 [ 211.456501] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 211.461520] ? graph_lock+0x170/0x170 [ 211.465363] ? find_held_lock+0x36/0x1c0 [ 211.469444] ? ____cache_alloc_node+0x1c7/0x1e0 [ 211.474121] ? lock_downgrade+0x900/0x900 [ 211.478281] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 211.483867] cache_grow_begin+0x91/0x8c0 [ 211.487940] ? do_raw_spin_unlock+0xa7/0x2f0 [ 211.492371] fallback_alloc+0x203/0x2e0 [ 211.496371] ____cache_alloc_node+0x1c7/0x1e0 [ 211.500893] kmem_cache_alloc_node+0xe3/0x730 [ 211.505412] ? ipv6_get_ifaddr+0x42e/0x620 [ 211.509674] __alloc_skb+0x119/0x770 [ 211.513396] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 211.518696] ? skb_scrub_packet+0x490/0x490 [ 211.523055] ? lock_downgrade+0x900/0x900 [ 211.527244] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 211.532799] ? refcount_sub_and_test_checked+0x203/0x310 [ 211.538258] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 211.543717] ? addrconf_rs_timer+0x6f0/0x6f0 [ 211.548141] ndisc_alloc_skb+0x144/0x340 [ 211.552215] ndisc_send_rs+0x331/0x6e0 [ 211.556116] addrconf_rs_timer+0x3c0/0x6f0 [ 211.560359] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 211.564611] call_timer_fn+0x272/0x920 [ 211.568501] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 211.572755] ? process_timeout+0x40/0x40 [ 211.576825] ? find_held_lock+0x36/0x1c0 [ 211.580901] ? __run_timers+0x7da/0xc70 [ 211.584885] ? _raw_spin_unlock_irq+0x27/0x80 [ 211.589383] ? _raw_spin_unlock_irq+0x27/0x80 [ 211.593898] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 211.598134] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 211.602721] ? trace_hardirqs_on+0xbd/0x310 [ 211.607053] ? kasan_check_read+0x11/0x20 [ 211.611205] ? __run_timers+0x7da/0xc70 [ 211.615182] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 211.620644] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 211.625147] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 211.629386] __run_timers+0x7e5/0xc70 [ 211.633202] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 211.638575] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 211.643594] ? graph_lock+0x170/0x170 [ 211.647399] ? enqueue_hrtimer+0x1a5/0x560 [ 211.651630] ? lock_release+0x970/0x970 [ 211.655605] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 211.660809] ? find_held_lock+0x36/0x1c0 [ 211.664886] ? pvclock_read_flags+0x160/0x160 [ 211.669386] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 211.674927] ? check_preemption_disabled+0x48/0x200 [ 211.680130] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 211.685672] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 211.690956] ? rcu_pm_notify+0xc0/0xc0 [ 211.694850] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 211.700391] ? check_preemption_disabled+0x48/0x200 [ 211.705421] run_timer_softirq+0x52/0xb0 [ 211.709598] ? rcu_read_lock_sched_held+0x108/0x120 [ 211.714629] __do_softirq+0x30b/0xad8 [ 211.718450] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 211.723564] ? pvclock_read_flags+0x160/0x160 [ 211.728063] ? lapic_next_event+0x5a/0x90 [ 211.732213] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 211.737757] ? check_preemption_disabled+0x48/0x200 [ 211.742778] ? check_preemption_disabled+0x48/0x200 [ 211.747822] ? kvm_clock_read+0x18/0x30 [ 211.751807] ? kvm_sched_clock_read+0x9/0x20 [ 211.756224] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 211.761766] ? check_preemption_disabled+0x48/0x200 [ 211.766826] irq_exit+0x17f/0x1c0 [ 211.770289] smp_apic_timer_interrupt+0x1cb/0x760 [ 211.775136] ? smp_reschedule_interrupt+0x109/0x650 [ 211.780156] ? smp_call_function_single_interrupt+0x650/0x650 [ 211.786049] ? interrupt_entry+0xb5/0xf0 [ 211.790140] ? trace_hardirqs_off_caller+0xbb/0x300 [ 211.795161] ? trace_hardirqs_off_caller+0xbb/0x300 [ 211.800179] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 211.805034] ? trace_hardirqs_off+0x300/0x300 [ 211.809531] ? trace_hardirqs_off+0x300/0x300 [ 211.814043] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 211.819587] ? check_preemption_disabled+0x48/0x200 [ 211.824604] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 211.830150] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 211.835010] apic_timer_interrupt+0xf/0x20 [ 211.839250] [ 211.841490] RIP: 0010:_raw_write_unlock_irq+0x56/0x80 [ 211.846699] Code: 52 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d ab aa 92 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 f0 ec 95 f9 65 8b 05 a9 6e 42 78 85 c0 74 05 5b [ 211.865629] RSP: 0018:ffff8801d8cf7350 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 211.873354] RAX: dffffc0000000000 RBX: ffffffff894090c0 RCX: 0000000000000000 [ 211.880624] RDX: 1ffffffff12a4537 RSI: 0000000000000001 RDI: ffffffff895229b8 [ 211.888077] RBP: ffff8801d8cf7358 R08: ffff8801c24ca580 R09: 0000000000000000 [ 211.895375] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d70737c0 [ 211.902653] R13: ffff8801d8cf7490 R14: 0000000000000000 R15: ffff8801c24cab00 [ 211.909967] do_exit+0x11ef/0x2610 [ 211.913510] ? mem_cgroup_commit_charge+0x275/0x9d0 [ 211.918543] ? mm_update_next_owner+0x990/0x990 [ 211.923214] ? print_usage_bug+0xc0/0xc0 [ 211.927274] ? graph_lock+0x170/0x170 [ 211.931081] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 211.936629] ? check_preemption_disabled+0x48/0x200 [ 211.941657] ? check_preemption_disabled+0x48/0x200 [ 211.946682] ? print_usage_bug+0xc0/0xc0 [ 211.950750] ? __lock_acquire+0x7ec/0x4ec0 [ 211.955036] ? __lock_acquire+0x7ec/0x4ec0 [ 211.959298] ? mark_held_locks+0x130/0x130 [ 211.963546] ? mark_held_locks+0x130/0x130 [ 211.967791] ? finish_task_switch+0x1b5/0x900 [ 211.972294] ? __switch_to_asm+0x34/0x70 [ 211.976359] ? __switch_to_asm+0x34/0x70 [ 211.980421] ? __switch_to_asm+0x34/0x70 [ 211.984481] ? __switch_to_asm+0x40/0x70 [ 211.988539] ? __switch_to_asm+0x34/0x70 [ 211.992598] ? __switch_to_asm+0x40/0x70 [ 211.996656] ? __switch_to_asm+0x34/0x70 [ 212.000718] ? __switch_to_asm+0x34/0x70 [ 212.004783] ? __switch_to_asm+0x34/0x70 [ 212.008855] ? __switch_to_asm+0x34/0x70 [ 212.012925] ? __switch_to_asm+0x40/0x70 [ 212.016995] ? __switch_to_asm+0x34/0x70 [ 212.021067] ? __switch_to_asm+0x40/0x70 [ 212.025162] ? graph_lock+0x170/0x170 [ 212.028990] ? graph_lock+0x170/0x170 [ 212.032811] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 212.038374] ? wait_consider_task+0x245/0x3bb0 [ 212.042988] ? memset+0x31/0x40 [ 212.046284] ? find_held_lock+0x36/0x1c0 [ 212.050358] ? get_signal+0x95b/0x1980 [ 212.054255] ? _raw_spin_unlock_irq+0x27/0x80 [ 212.058772] ? _raw_spin_unlock_irq+0x27/0x80 [ 212.063283] do_group_exit+0x177/0x440 [ 212.067176] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 212.072629] ? __ia32_sys_exit+0x50/0x50 [ 212.076705] get_signal+0x8b0/0x1980 [ 212.080440] ? ptrace_notify+0x130/0x130 [ 212.084504] ? do_wait+0x57d/0xb90 [ 212.088063] ? wait_consider_task+0x3bb0/0x3bb0 [ 212.092733] ? graph_lock+0x170/0x170 [ 212.096536] ? graph_lock+0x170/0x170 [ 212.100358] ? graph_lock+0x170/0x170 [ 212.104179] do_signal+0x9c/0x21e0 [ 212.107722] ? find_held_lock+0x36/0x1c0 [ 212.111803] ? setup_sigcontext+0x7d0/0x7d0 [ 212.116126] ? kernel_wait4+0x2e0/0x3f0 [ 212.120114] ? __ia32_sys_waitid+0x140/0x140 [ 212.124537] ? task_stopped_code+0x190/0x190 [ 212.128958] ? exit_to_usermode_loop+0x8c/0x380 [ 212.133652] ? __do_page_fault+0x4a6/0xed0 [ 212.137893] ? do_syscall_64+0x9a/0x820 [ 212.141872] ? do_syscall_64+0x9a/0x820 [ 212.145852] exit_to_usermode_loop+0x2e5/0x380 [ 212.150440] ? syscall_slow_exit_work+0x520/0x520 [ 212.155297] do_syscall_64+0x6be/0x820 [ 212.159187] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 212.164554] ? syscall_return_slowpath+0x5e0/0x5e0 [ 212.169484] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 212.174331] ? trace_hardirqs_off+0x300/0x300 [ 212.178848] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 212.183867] ? prepare_exit_to_usermode+0x291/0x3b0 [ 212.188895] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 212.193749] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 212.198938] RIP: 0033:0x410e7a [ 212.202133] Code: Bad RIP value. [ 212.205495] RSP: 002b:00007ffdfa797988 EFLAGS: 00000246 ORIG_RAX: 000000000000003d [ 212.213226] RAX: fffffffffffffe00 RBX: 00000000000014f2 RCX: 0000000000410e7a [ 212.220513] RDX: 0000000040000000 RSI: 00007ffdfa797994 RDI: ffffffffffffffff [ 212.227810] RBP: 0000000000930b28 R08: 00000000000014e7 R09: 00000000024eb940 [ 212.235105] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010 [ 212.242382] R13: 0000000000412a80 R14: 0000000000000000 R15: 0000000000000000 [ 212.249704] warn_alloc_show_mem: 1 callbacks suppressed [ 212.249732] CPU: 0 PID: 9562 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51 [ 212.249733] Mem-Info: [ 212.249763] active_anon:43308 inactive_anon:372 isolated_anon:0 [ 212.249763] active_file:9 inactive_file:26 isolated_file:0 [ 212.249763] unevictable:0 dirty:0 writeback:0 unstable:0 [ 212.249763] slab_reclaimable:8855 slab_unreclaimable:1462387 [ 212.249763] mapped:57522 shmem:379 pagetables:727 bounce:0 [ 212.249763] free:13711 free_pcp:202 free_cma:0 [ 212.255114] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 212.262568] Node 0 active_anon:173232kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 212.264973] Call Trace: [ 212.297816] Node 0 [ 212.307192] [ 212.334974] 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 [ 212.337542] dump_stack+0x1c4/0x2b4 [ 212.339747] lowmem_reserve[]: 0 [ 212.341903] ? dump_stack_print_info.cold.2+0x52/0x52 [ 212.367398] 2817 [ 212.371054] warn_alloc.cold.118+0xb7/0x1bd [ 212.374288] 6321 6321 [ 212.379487] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 212.385840] ? lock_downgrade+0x900/0x900 [ 212.388312] Node 0 [ 212.393155] ? trace_hardirqs_off+0xb8/0x300 [ 212.397303] DMA32 free:24940kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 212.399518] ? trace_hardirqs_off+0xb8/0x300 [ 212.403892] lowmem_reserve[]: 0 [ 212.430725] __alloc_pages_slowpath+0x2667/0x2d80 [ 212.435118] 0 [ 212.438426] ? warn_alloc+0x120/0x120 [ 212.443213] 3503 3503 [ 212.445047] ? warn_alloc+0x120/0x120 [ 212.451340] ? print_usage_bug+0xc0/0xc0 [ 212.455121] Node 0 [ 212.459197] ? warn_alloc+0x120/0x120 [ 212.459230] Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:169136kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5568kB pagetables:2908kB bounce:0kB free_pcp:808kB local_pcp:692kB free_cma:0kB [ 212.459237] lowmem_reserve[]: [ 212.461479] ? print_usage_bug+0xc0/0xc0 [ 212.465262] 0 0 [ 212.493770] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 212.493788] ? ktime_get+0x2e1/0x440 [ 212.496897] 0 [ 212.500970] ? check_preemption_disabled+0x48/0x200 [ 212.502923] 0 [ 212.507945] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 212.513447] ? should_fail+0x22d/0xd01 [ 212.518436] Node 0 [ 212.520241] ? kasan_check_read+0x11/0x20 [ 212.525748] DMA: 1*4kB [ 212.529646] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 212.531852] (U) [ 212.535998] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 212.538555] 0*8kB [ 212.543829] ? __lock_acquire+0x7ec/0x4ec0 [ 212.545782] 0*16kB [ 212.550880] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 212.553005] 1*32kB [ 212.557245] ? should_fail+0x22d/0xd01 [ 212.559459] (U) [ 212.564564] ? mark_held_locks+0x130/0x130 [ 212.566773] 2*64kB [ 212.570670] ? mark_held_locks+0x130/0x130 [ 212.572633] (U) [ 212.576885] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 212.579105] 1*128kB [ 212.583354] ? graph_lock+0x170/0x170 [ 212.585304] (U) [ 212.590851] ? mark_held_locks+0xc7/0x130 [ 212.593155] 1*256kB (U) [ 212.596973] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 212.598920] 0*512kB [ 212.603086] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 212.605742] 1*1024kB [ 212.610772] ? check_preemption_disabled+0x48/0x200 [ 212.613074] (U) [ 212.618638] ? check_preemption_disabled+0x48/0x200 [ 212.621033] 1*2048kB [ 212.626065] ? __lock_is_held+0xb5/0x140 [ 212.628008] (M) [ 212.633044] __alloc_pages_nodemask+0xa80/0xde0 [ 212.635428] 3*4096kB [ 212.639485] ? graph_lock+0x170/0x170 [ 212.641436] (M) [ 212.646111] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 212.648584] = 15908kB [ 212.652384] ? graph_lock+0x170/0x170 [ 212.654337] Node 0 [ 212.659361] ? find_held_lock+0x36/0x1c0 [ 212.661735] DMA32: [ 212.665541] ? ____cache_alloc_node+0x1c7/0x1e0 [ 212.667748] 3*4kB [ 212.671812] ? lock_downgrade+0x900/0x900 [ 212.674031] (UM) [ 212.678791] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 212.680919] 2*8kB [ 212.685066] cache_grow_begin+0x91/0x8c0 [ 212.687103] (U) [ 212.692638] ? do_raw_spin_unlock+0xa7/0x2f0 [ 212.694767] 5*16kB [ 212.698829] fallback_alloc+0x203/0x2e0 [ 212.700777] (UM) [ 212.705215] ____cache_alloc_node+0x1c7/0x1e0 [ 212.707427] 2*32kB [ 212.711398] kmem_cache_alloc_node+0xe3/0x730 [ 212.713433] (UM) [ 212.717939] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 212.720158] 3*64kB [ 212.724687] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 212.726732] (UM) [ 212.731851] __alloc_skb+0x119/0x770 [ 212.734074] 4*128kB [ 212.738685] ? calc_wheel_index+0x220/0x220 [ 212.740725] (UM) [ 212.744445] ? skb_scrub_packet+0x490/0x490 [ 212.746746] 2*256kB [ 212.751075] ? vprintk_default+0x28/0x30 [ 212.753108] (M) [ 212.757428] ? vprintk_func+0x85/0x181 [ 212.759738] 4*512kB [ 212.763816] ? printk+0xa7/0xcf [ 212.765768] (UM) [ 212.769667] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 212.771967] 3*1024kB [ 212.775258] new_skb+0x26/0x1c0 [ 212.777296] (M) [ 212.782068] aoecmd_cfg+0x279/0x7f0 [ 212.784456] 1*2048kB [ 212.787731] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 212.789682] (U) [ 212.793312] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 212.795694] 4*4096kB [ 212.800015] ? check_preemption_disabled+0x48/0x200 [ 212.801974] (M) [ 212.807528] ? check_preemption_disabled+0x48/0x200 [ 212.809920] = 24940kB [ 212.814965] ? __lock_is_held+0xb5/0x140 [ 212.816921] Node 0 [ 212.821959] discover_timer+0x50/0x60 [ 212.824344] Normal: [ 212.828404] call_timer_fn+0x272/0x920 [ 212.830619] 667*4kB [ 212.834419] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 212.836719] (UMEH) [ 212.840608] ? process_timeout+0x40/0x40 [ 212.842897] 358*8kB (UMEH) [ 212.847757] ? find_held_lock+0x36/0x1c0 [ 212.849973] 191*16kB [ 212.854045] ? __run_timers+0x7da/0xc70 [ 212.856940] (UMEH) [ 212.861001] ? _raw_spin_unlock_irq+0x27/0x80 [ 212.863388] 81*32kB [ 212.867355] ? _raw_spin_unlock_irq+0x27/0x80 [ 212.869567] (UMEH) [ 212.874063] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 212.874081] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 212.876388] 30*64kB [ 212.880886] ? trace_hardirqs_on+0xbd/0x310 [ 212.883099] (UMH) [ 212.887977] ? kasan_check_read+0x11/0x20 [ 212.892542] 1*128kB (M) [ 212.894893] ? __run_timers+0x7da/0xc70 [ 212.899192] 3*256kB [ 212.901349] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 212.905470] (UH) [ 212.908152] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 212.912097] 0*512kB [ 212.914427] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 212.919856] 0*1024kB [ 212.921925] __run_timers+0x7e5/0xc70 [ 212.926126] 0*2048kB [ 212.928454] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 212.933262] 0*4096kB [ 212.935669] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 212.939445] = 13996kB [ 212.941853] ? graph_lock+0x170/0x170 [ 212.947206] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 212.949618] ? enqueue_hrtimer+0x1a5/0x560 [ 212.959147] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 212.961557] ? lock_release+0x970/0x970 [ 212.965329] 414 total pagecache pages [ 212.974166] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 212.978385] 0 pages in swap cache [ 212.987064] ? find_held_lock+0x36/0x1c0 [ 212.991018] Swap cache stats: add 0, delete 0, find 0/0 [ 212.991038] Free swap = 0kB [ 212.994846] ? graph_lock+0x170/0x170 [ 213.000015] Total swap = 0kB [ 213.003481] ? pvclock_read_flags+0x160/0x160 [ 213.007518] 1965979 pages RAM [ 213.012883] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 213.015876] 0 pages HighMem/MovableOnly [ 213.019674] ? check_preemption_disabled+0x48/0x200 [ 213.023194] 342744 pages reserved [ 213.023205] 0 pages cma reserved [ 213.027829] ? __lock_is_held+0xb5/0x140 [ 213.030975] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 213.036453] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 213.041146] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 213.045856] ? check_preemption_disabled+0x48/0x200 [ 213.049293] syz-executor1 cpuset= [ 213.052659] run_timer_softirq+0x52/0xb0 [ 213.057196] / [ 213.063691] ? rcu_read_lock_sched_held+0x108/0x120 [ 213.069207] mems_allowed=0 [ 213.079699] __do_softirq+0x30b/0xad8 [ 213.105837] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 213.110968] ? pvclock_read_flags+0x160/0x160 [ 213.115483] ? lapic_next_event+0x5a/0x90 [ 213.119643] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 213.126724] ? check_preemption_disabled+0x48/0x200 [ 213.131746] ? check_preemption_disabled+0x48/0x200 [ 213.136773] ? kvm_clock_read+0x18/0x30 [ 213.140757] ? kvm_sched_clock_read+0x9/0x20 [ 213.145279] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 213.150858] ? check_preemption_disabled+0x48/0x200 [ 213.155910] irq_exit+0x17f/0x1c0 [ 213.159385] smp_apic_timer_interrupt+0x1cb/0x760 [ 213.164236] ? smp_reschedule_interrupt+0x109/0x650 [ 213.169260] ? smp_call_function_single_interrupt+0x650/0x650 [ 213.175165] ? interrupt_entry+0xb5/0xf0 [ 213.179231] ? trace_hardirqs_off_caller+0xbb/0x300 [ 213.184250] ? trace_hardirqs_off_caller+0xbb/0x300 [ 213.189274] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 213.194136] ? trace_hardirqs_off+0x300/0x300 [ 213.198635] ? trace_hardirqs_off+0x300/0x300 [ 213.203171] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 213.208759] ? check_preemption_disabled+0x48/0x200 [ 213.213794] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 213.219462] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 213.224322] apic_timer_interrupt+0xf/0x20 [ 213.228557] [ 213.230803] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 213.235863] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 213.254806] RSP: 0000:ffff88019f217748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 213.262535] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 213.269821] RDX: 0000000000000000 RSI: ffff88019f972d00 RDI: 0000000000000282 [ 213.277355] RBP: ffff88019f2177b0 R08: ffff88019f972480 R09: 0000000000000000 [ 213.284658] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 213.291947] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 213.299302] skb_clone+0x1bb/0x500 [ 213.302873] ? finish_task_switch+0x2f5/0x900 [ 213.307399] ? skb_split+0x11e0/0x11e0 [ 213.311414] ? preempt_notifier_register+0x200/0x200 [ 213.316528] ? __switch_to_asm+0x34/0x70 [ 213.320616] ? __switch_to_asm+0x34/0x70 [ 213.324701] ? __switch_to_asm+0x40/0x70 [ 213.328785] ? __switch_to_asm+0x34/0x70 [ 213.332968] ? __switch_to_asm+0x40/0x70 [ 213.337047] ? __switch_to_asm+0x34/0x70 [ 213.341118] ? __switch_to_asm+0x40/0x70 [ 213.345185] ? __switch_to_asm+0x34/0x70 [ 213.349277] ? __switch_to_asm+0x34/0x70 [ 213.353351] ? __switch_to_asm+0x40/0x70 [ 213.357412] ? __switch_to_asm+0x34/0x70 [ 213.361488] bpf_clone_redirect+0xb9/0x490 [ 213.365854] ? __schedule+0x874/0x1ed0 [ 213.369758] bpf_prog_a2323609a0d1adb1+0x624/0x1000 [ 213.374800] ? __sched_text_start+0x8/0x8 [ 213.378984] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 213.383785] ? find_held_lock+0x36/0x1c0 [ 213.387887] ? lock_acquire+0x1ed/0x520 [ 213.391885] ? bpf_test_run+0x32e/0x5a0 [ 213.395878] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 213.401425] ? check_preemption_disabled+0x48/0x200 [ 213.406458] ? kasan_check_read+0x11/0x20 [ 213.410616] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 213.415898] ? rcu_bh_qs+0xc0/0xc0 [ 213.419472] ? preempt_schedule+0x4d/0x60 [ 213.423626] ? ___preempt_schedule+0x16/0x18 [ 213.428059] ? bpf_test_run+0x1c0/0x5a0 [ 213.432054] ? netlink_diag_dump+0x2a0/0x2a0 [ 213.436469] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 213.441998] ? bpf_test_init.isra.9+0x70/0x100 [ 213.446577] ? bpf_prog_test_run_skb+0x634/0xb40 [ 213.451345] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 213.456188] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 213.461732] ? fput+0x130/0x1a0 [ 213.465015] ? __bpf_prog_get+0x9b/0x290 [ 213.469094] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 213.473963] ? bpf_prog_test_run+0x130/0x1a0 [ 213.478376] ? __x64_sys_bpf+0x3d8/0x510 [ 213.482448] ? bpf_prog_get+0x20/0x20 [ 213.486295] ? do_syscall_64+0x1b9/0x820 [ 213.490384] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 213.495778] ? syscall_return_slowpath+0x5e0/0x5e0 [ 213.500718] ? trace_hardirqs_off+0x300/0x300 [ 213.505224] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 213.510357] ? recalc_sigpending_tsk+0x180/0x180 [ 213.515122] ? kasan_check_write+0x14/0x20 [ 213.519372] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 213.524234] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 213.529627] CPU: 1 PID: 5351 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51 [ 213.529696] aoe: skb alloc failure [ 213.536856] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 213.536862] Call Trace: [ 213.536869] [ 213.536891] dump_stack+0x1c4/0x2b4 [ 213.536906] ? dump_stack_print_info.cold.2+0x52/0x52 [ 213.536932] warn_alloc.cold.118+0xb7/0x1bd [ 213.540504] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 213.549841] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 213.552409] syz-executor0 cpuset= [ 213.555078] ? lock_downgrade+0x900/0x900 [ 213.558679] syz0 [ 213.563872] ? trace_hardirqs_off+0xb8/0x300 [ 213.568165] mems_allowed=0 [ 213.578973] ? trace_hardirqs_off+0xb8/0x300 [ 213.606348] __alloc_pages_slowpath+0x2667/0x2d80 [ 213.611251] ? warn_alloc+0x120/0x120 [ 213.615089] ? warn_alloc+0x120/0x120 [ 213.619447] ? print_usage_bug+0xc0/0xc0 [ 213.623554] ? warn_alloc+0x120/0x120 [ 213.627383] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 213.632425] ? print_usage_bug+0xc0/0xc0 [ 213.637001] ? __lock_acquire+0x7ec/0x4ec0 [ 213.641251] ? __lock_acquire+0x7ec/0x4ec0 [ 213.645495] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 213.651510] ? should_fail+0x22d/0xd01 [ 213.655398] ? __lock_acquire+0x7ec/0x4ec0 [ 213.659639] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 213.664743] ? __lock_acquire+0x7ec/0x4ec0 [ 213.669508] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 213.674610] ? __lock_acquire+0x7ec/0x4ec0 [ 213.678846] ? should_fail+0x22d/0xd01 [ 213.682746] ? mark_held_locks+0x130/0x130 [ 213.686987] ? mark_held_locks+0x130/0x130 [ 213.691232] ? try_to_wake_up+0x10a/0x12f0 [ 213.695490] ? graph_lock+0x170/0x170 [ 213.699782] ? print_usage_bug+0xc0/0xc0 [ 213.703873] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 213.709428] ? check_preemption_disabled+0x48/0x200 [ 213.715119] ? check_preemption_disabled+0x48/0x200 [ 213.720171] ? __lock_is_held+0xb5/0x140 [ 213.724255] __alloc_pages_nodemask+0xa80/0xde0 [ 213.728945] ? graph_lock+0x170/0x170 [ 213.733205] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 213.738237] ? graph_lock+0x170/0x170 [ 213.742077] ? find_held_lock+0x36/0x1c0 [ 213.746171] ? ____cache_alloc_node+0x1c7/0x1e0 [ 213.751899] ? lock_downgrade+0x900/0x900 [ 213.756087] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 213.761660] cache_grow_begin+0x91/0x8c0 [ 213.766262] ? do_raw_spin_unlock+0xa7/0x2f0 [ 213.770707] fallback_alloc+0x203/0x2e0 [ 213.774712] ____cache_alloc_node+0x1c7/0x1e0 [ 213.779651] kmem_cache_alloc_node+0xe3/0x730 [ 213.784176] ? ipv6_get_ifaddr+0x42e/0x620 [ 213.788453] __alloc_skb+0x119/0x770 [ 213.792188] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 213.797773] ? skb_scrub_packet+0x490/0x490 [ 213.802118] ? lock_downgrade+0x900/0x900 [ 213.806280] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 213.812541] ? refcount_sub_and_test_checked+0x203/0x310 [ 213.818020] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 213.823497] ? addrconf_rs_timer+0x6f0/0x6f0 [ 213.828384] ndisc_alloc_skb+0x144/0x340 [ 213.832459] ndisc_send_rs+0x331/0x6e0 [ 213.836370] addrconf_rs_timer+0x3c0/0x6f0 [ 213.840617] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 213.845227] call_timer_fn+0x272/0x920 [ 213.849120] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 213.853360] ? process_timeout+0x40/0x40 [ 213.857422] ? find_held_lock+0x36/0x1c0 [ 213.861951] ? __run_timers+0x7da/0xc70 [ 213.865938] ? _raw_spin_unlock_irq+0x27/0x80 [ 213.870447] ? _raw_spin_unlock_irq+0x27/0x80 [ 213.874961] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 213.879689] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 213.884301] ? trace_hardirqs_on+0xbd/0x310 [ 213.888659] ? kasan_check_read+0x11/0x20 [ 213.893358] ? __run_timers+0x7da/0xc70 [ 213.897352] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 213.902833] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 213.907077] __run_timers+0x7e5/0xc70 [ 213.911347] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 213.916717] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 213.921739] ? graph_lock+0x170/0x170 [ 213.926023] ? enqueue_hrtimer+0x1a5/0x560 [ 213.930272] ? lock_release+0x970/0x970 [ 213.934252] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 213.939853] ? find_held_lock+0x36/0x1c0 [ 213.943939] ? pvclock_read_flags+0x160/0x160 [ 213.948449] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 213.953994] ? check_preemption_disabled+0x48/0x200 [ 213.959519] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 213.965065] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 213.970346] ? rcu_pm_notify+0xc0/0xc0 [ 213.974238] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 213.979785] ? check_preemption_disabled+0x48/0x200 [ 213.984827] run_timer_softirq+0x52/0xb0 [ 213.988897] ? rcu_read_lock_sched_held+0x108/0x120 [ 213.993920] __do_softirq+0x30b/0xad8 [ 213.997738] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 214.002861] ? pvclock_read_flags+0x160/0x160 [ 214.007860] ? lapic_next_event+0x5a/0x90 [ 214.012022] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 214.017594] ? check_preemption_disabled+0x48/0x200 [ 214.023443] ? check_preemption_disabled+0x48/0x200 [ 214.028479] ? kvm_clock_read+0x18/0x30 [ 214.032457] ? kvm_sched_clock_read+0x9/0x20 [ 214.037332] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 214.042877] ? check_preemption_disabled+0x48/0x200 [ 214.047922] irq_exit+0x17f/0x1c0 [ 214.051848] smp_apic_timer_interrupt+0x1cb/0x760 [ 214.056707] ? smp_reschedule_interrupt+0x109/0x650 [ 214.061741] ? smp_call_function_single_interrupt+0x650/0x650 [ 214.068269] ? interrupt_entry+0xb5/0xf0 [ 214.072341] ? trace_hardirqs_off_caller+0xbb/0x300 [ 214.077373] ? trace_hardirqs_off_caller+0xbb/0x300 [ 214.082403] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 214.087766] ? trace_hardirqs_off+0x300/0x300 [ 214.092273] ? trace_hardirqs_off+0x300/0x300 [ 214.096797] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 214.102499] ? check_preemption_disabled+0x48/0x200 [ 214.107533] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 214.113102] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 214.118467] apic_timer_interrupt+0xf/0x20 [ 214.122706] [ 214.124973] RIP: 0010:_raw_write_unlock_irq+0x56/0x80 [ 214.130631] Code: 52 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d ab aa 92 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 f0 ec 95 f9 65 8b 05 a9 6e 42 78 85 c0 74 05 5b [ 214.150010] RSP: 0018:ffff8801d8cf7350 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 214.158214] RAX: dffffc0000000000 RBX: ffffffff894090c0 RCX: 0000000000000000 [ 214.165486] RDX: 1ffffffff12a4537 RSI: 0000000000000001 RDI: ffffffff895229b8 [ 214.172753] RBP: ffff8801d8cf7358 R08: ffff8801c24ca580 R09: 0000000000000000 [ 214.180036] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d70737c0 [ 214.187303] R13: ffff8801d8cf7490 R14: 0000000000000000 R15: ffff8801c24cab00 [ 214.195350] do_exit+0x11ef/0x2610 [ 214.198898] ? mem_cgroup_commit_charge+0x275/0x9d0 [ 214.203927] ? mm_update_next_owner+0x990/0x990 [ 214.209106] ? print_usage_bug+0xc0/0xc0 [ 214.213341] ? graph_lock+0x170/0x170 [ 214.217148] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 214.223344] ? check_preemption_disabled+0x48/0x200 [ 214.228363] ? check_preemption_disabled+0x48/0x200 [ 214.233380] ? print_usage_bug+0xc0/0xc0 [ 214.237452] ? __lock_acquire+0x7ec/0x4ec0 [ 214.242302] ? __lock_acquire+0x7ec/0x4ec0 [ 214.246565] ? mark_held_locks+0x130/0x130 [ 214.250826] ? mark_held_locks+0x130/0x130 [ 214.255084] ? finish_task_switch+0x1b5/0x900 [ 214.259590] ? __switch_to_asm+0x34/0x70 [ 214.263659] ? __switch_to_asm+0x34/0x70 [ 214.267722] ? __switch_to_asm+0x34/0x70 [ 214.272263] ? __switch_to_asm+0x40/0x70 [ 214.276327] ? __switch_to_asm+0x34/0x70 [ 214.280389] ? __switch_to_asm+0x40/0x70 [ 214.284449] ? __switch_to_asm+0x34/0x70 [ 214.288523] ? __switch_to_asm+0x34/0x70 [ 214.292586] ? __switch_to_asm+0x34/0x70 [ 214.296659] ? __switch_to_asm+0x34/0x70 [ 214.300734] ? __switch_to_asm+0x40/0x70 [ 214.304918] ? __switch_to_asm+0x34/0x70 [ 214.308979] ? __switch_to_asm+0x40/0x70 [ 214.313073] ? graph_lock+0x170/0x170 [ 214.316885] ? graph_lock+0x170/0x170 [ 214.321140] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 214.326681] ? wait_consider_task+0x245/0x3bb0 [ 214.331274] ? memset+0x31/0x40 [ 214.335088] ? find_held_lock+0x36/0x1c0 [ 214.339167] ? get_signal+0x95b/0x1980 [ 214.343064] ? _raw_spin_unlock_irq+0x27/0x80 [ 214.347560] ? _raw_spin_unlock_irq+0x27/0x80 [ 214.352583] do_group_exit+0x177/0x440 [ 214.356476] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 214.361931] ? __ia32_sys_exit+0x50/0x50 [ 214.366007] get_signal+0x8b0/0x1980 [ 214.369744] ? ptrace_notify+0x130/0x130 [ 214.373813] ? do_wait+0x57d/0xb90 [ 214.377368] ? wait_consider_task+0x3bb0/0x3bb0 [ 214.382054] ? graph_lock+0x170/0x170 [ 214.386332] ? graph_lock+0x170/0x170 [ 214.390140] ? graph_lock+0x170/0x170 [ 214.393961] do_signal+0x9c/0x21e0 [ 214.397519] ? find_held_lock+0x36/0x1c0 [ 214.402090] ? setup_sigcontext+0x7d0/0x7d0 [ 214.406429] ? kernel_wait4+0x2e0/0x3f0 [ 214.410412] ? __ia32_sys_waitid+0x140/0x140 [ 214.415442] ? task_stopped_code+0x190/0x190 [ 214.419864] ? exit_to_usermode_loop+0x8c/0x380 [ 214.424555] ? __do_page_fault+0x4a6/0xed0 [ 214.428849] ? do_syscall_64+0x9a/0x820 [ 214.433293] ? do_syscall_64+0x9a/0x820 [ 214.437292] exit_to_usermode_loop+0x2e5/0x380 [ 214.441888] ? syscall_slow_exit_work+0x520/0x520 [ 214.447221] do_syscall_64+0x6be/0x820 [ 214.451121] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 214.456525] ? syscall_return_slowpath+0x5e0/0x5e0 [ 214.461458] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 214.466757] ? trace_hardirqs_off+0x300/0x300 [ 214.471271] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 214.476308] ? prepare_exit_to_usermode+0x291/0x3b0 [ 214.481828] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 214.486699] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 214.491911] RIP: 0033:0x410e7a [ 214.495135] Code: Bad RIP value. [ 214.498519] RSP: 002b:00007ffdfa797988 EFLAGS: 00000246 ORIG_RAX: 000000000000003d [ 214.506255] RAX: fffffffffffffe00 RBX: 00000000000014f2 RCX: 0000000000410e7a [ 214.514215] RDX: 0000000040000000 RSI: 00007ffdfa797994 RDI: ffffffffffffffff [ 214.521504] RBP: 0000000000930b28 R08: 00000000000014e7 R09: 00000000024eb940 [ 214.529386] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010 [ 214.536673] R13: 0000000000412a80 R14: 0000000000000000 R15: 0000000000000000 [ 214.544588] warn_alloc_show_mem: 1 callbacks suppressed [ 214.544602] CPU: 0 PID: 9562 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51 [ 214.544604] Mem-Info: [ 214.544636] active_anon:43308 inactive_anon:372 isolated_anon:0 [ 214.544636] active_file:9 inactive_file:26 isolated_file:0 [ 214.544636] unevictable:0 dirty:0 writeback:0 unstable:0 [ 214.544636] slab_reclaimable:8855 slab_unreclaimable:1462387 [ 214.544636] mapped:57522 shmem:379 pagetables:727 bounce:0 [ 214.544636] free:13711 free_pcp:202 free_cma:0 [ 214.550003] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 214.557221] Node 0 active_anon:173232kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 214.559635] Call Trace: [ 214.592912] Node 0 [ 214.602284] [ 214.631067] 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 [ 214.633654] dump_stack+0x1c4/0x2b4 [ 214.635870] lowmem_reserve[]: [ 214.638042] ? dump_stack_print_info.cold.2+0x52/0x52 [ 214.664632] 0 2817 [ 214.668308] warn_alloc.cold.118+0xb7/0x1bd [ 214.671370] 6321 [ 214.676571] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 214.678793] 6321 [ 214.683111] ? lock_downgrade+0x900/0x900 [ 214.685151] Node 0 [ 214.690000] ? trace_hardirqs_off+0xb8/0x300 [ 214.692069] DMA32 free:24940kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 214.696198] ? trace_hardirqs_off+0xb8/0x300 [ 214.698414] lowmem_reserve[]: [ 214.702841] __alloc_pages_slowpath+0x2667/0x2d80 [ 214.730725] 0 0 [ 214.735195] ? warn_alloc+0x120/0x120 [ 214.738253] 3503 [ 214.743115] ? __lock_acquire+0x7ec/0x4ec0 [ 214.745070] 3503 [ 214.748962] ? warn_alloc+0x120/0x120 [ 214.750919] Node 0 [ 214.755159] ? print_usage_bug+0xc0/0xc0 [ 214.757228] Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:169136kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5568kB pagetables:2908kB bounce:0kB free_pcp:808kB local_pcp:692kB free_cma:0kB [ 214.761014] ? warn_alloc+0x120/0x120 [ 214.763236] lowmem_reserve[]: [ 214.767320] ? print_usage_bug+0xc0/0xc0 [ 214.796212] 0 0 [ 214.800053] ? mark_held_locks+0x130/0x130 [ 214.803130] 0 [ 214.807190] ? mark_held_locks+0x130/0x130 [ 214.809140] 0 [ 214.813379] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 214.819390] ? should_fail+0x22d/0xd01 [ 214.821168] Node 0 [ 214.826702] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 214.831480] DMA: 1*4kB [ 214.833727] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 214.839238] (U) [ 214.841820] ? __lock_acquire+0x7ec/0x4ec0 [ 214.847402] 0*8kB 0*16kB [ 214.849386] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 214.853596] 1*32kB [ 214.856347] ? should_fail+0x22d/0xd01 [ 214.861828] (U) [ 214.864073] ? __sanitizer_cov_trace_const_cmp1+0x10/0x20 [ 214.867936] 2*64kB [ 214.869912] ? mark_held_locks+0x130/0x130 [ 214.875433] (U) [ 214.877665] ? mark_held_locks+0x130/0x130 [ 214.882393] 1*128kB (U) [ 214.884380] ? graph_lock+0x170/0x170 [ 214.888587] 1*256kB [ 214.891250] ? graph_lock+0x170/0x170 [ 214.895036] (U) [ 214.897353] ? print_usage_bug+0xc0/0xc0 [ 214.901613] 0*512kB 1*1024kB [ 214.903597] ? do_raw_spin_unlock+0xa7/0x2f0 [ 214.907629] (U) [ 214.910729] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 214.915619] 1*2048kB (M) [ 214.917607] ? check_preemption_disabled+0x48/0x200 [ 214.923143] 3*4096kB [ 214.925897] ? check_preemption_disabled+0x48/0x200 [ 214.931361] (M) = 15908kB [ 214.933788] ? __lock_is_held+0xb5/0x140 [ 214.938775] Node 0 [ 214.941531] __alloc_pages_nodemask+0xa80/0xde0 [ 214.945559] DMA32: 3*4kB [ 214.947807] ? graph_lock+0x170/0x170 [ 214.952450] (UM) [ 214.955203] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 214.958997] 2*8kB [ 214.961059] ? graph_lock+0x170/0x170 [ 214.966586] (U) [ 214.968747] ? find_held_lock+0x36/0x1c0 [ 214.972518] 5*16kB [ 214.974492] ? ____cache_alloc_node+0x1c7/0x1e0 [ 214.978537] (UM) [ 214.980850] ? lock_downgrade+0x900/0x900 [ 214.985494] 2*32kB (UM) [ 214.987574] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 214.991686] 3*64kB [ 214.994354] cache_grow_begin+0x91/0x8c0 [ 215.000308] (UM) 4*128kB [ 215.002554] ? do_raw_spin_unlock+0xa7/0x2f0 [ 215.006584] (UM) 2*256kB [ 215.009349] fallback_alloc+0x203/0x2e0 [ 215.014221] (M) 4*512kB [ 215.016994] ____cache_alloc_node+0x1c7/0x1e0 [ 215.020937] (UM) [ 215.023606] kmem_cache_alloc_node+0xe3/0x730 [ 215.028071] 3*1024kB (M) [ 215.030142] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 215.034604] 1*2048kB (U) [ 215.037367] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 215.042453] 4*4096kB [ 215.045218] __alloc_skb+0x119/0x770 [ 215.049769] (M) [ 215.052182] ? calc_wheel_index+0x220/0x220 [ 215.055866] = 24940kB [ 215.057867] ? skb_scrub_packet+0x490/0x490 [ 215.062169] Node 0 [ 215.064642] ? vprintk_default+0x28/0x30 [ 215.064652] ? vprintk_func+0x85/0x181 [ 215.064662] ? printk+0xa7/0xcf [ 215.064671] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 215.064685] new_skb+0x26/0x1c0 [ 215.064694] aoecmd_cfg+0x279/0x7f0 [ 215.064705] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 215.064716] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 215.064789] ? check_preemption_disabled+0x48/0x200 [ 215.064805] ? check_preemption_disabled+0x48/0x200 [ 215.064829] ? __lock_is_held+0xb5/0x140 [ 215.069239] Normal: [ 215.071480] discover_timer+0x50/0x60 [ 215.075512] 667*4kB [ 215.079397] call_timer_fn+0x272/0x920 [ 215.083102] (UMEH) [ 215.087856] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 215.091113] 358*8kB [ 215.094732] ? process_timeout+0x40/0x40 [ 215.099502] (UMEH) [ 215.105050] ? find_held_lock+0x36/0x1c0 [ 215.110057] 191*16kB [ 215.115096] ? __run_timers+0x7da/0xc70 [ 215.119130] (UMEH) [ 215.121451] ? _raw_spin_unlock_irq+0x27/0x80 [ 215.125651] 81*32kB (UMEH) [ 215.127989] ? _raw_spin_unlock_irq+0x27/0x80 [ 215.131849] 30*64kB [ 215.134081] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 215.138902] (UMH) [ 215.141234] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 215.145264] 1*128kB [ 215.147502] ? trace_hardirqs_on+0xbd/0x310 [ 215.151537] (M) [ 215.153946] ? kasan_check_read+0x11/0x20 [ 215.157892] 3*256kB [ 215.160126] ? __run_timers+0x7da/0xc70 [ 215.164590] (UH) 0*512kB [ 215.167537] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 215.171999] 0*1024kB 0*2048kB [ 215.174338] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 215.179150] 0*4096kB = 13996kB [ 215.181314] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 215.185877] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 215.188189] __run_timers+0x7e5/0xc70 [ 215.192490] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 215.194470] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 215.198589] 414 total pagecache pages [ 215.200919] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 215.204874] 0 pages in swap cache [ 215.207638] ? graph_lock+0x170/0x170 [ 215.213071] Swap cache stats: add 0, delete 0, find 0/0 [ 215.213081] Free swap = 0kB [ 215.216296] ? enqueue_hrtimer+0x1a5/0x560 [ 215.220499] Total swap = 0kB [ 215.223690] ? lock_release+0x970/0x970 [ 215.228507] 1965979 pages RAM [ 215.237355] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 215.241137] 0 pages HighMem/MovableOnly [ 215.249720] ? find_held_lock+0x36/0x1c0 [ 215.255059] 342744 pages reserved [ 215.258853] ? graph_lock+0x170/0x170 [ 215.263837] 0 pages cma reserved [ 215.263912] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 215.267307] ? pvclock_read_flags+0x160/0x160 [ 215.267324] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 215.267341] ? check_preemption_disabled+0x48/0x200 [ 215.267365] ? __lock_is_held+0xb5/0x140 [ 215.271212] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 215.276518] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 215.279510] syz-executor1 cpuset= [ 215.283955] ? check_preemption_disabled+0x48/0x200 [ 215.286944] / [ 215.290922] run_timer_softirq+0x52/0xb0 [ 215.294002] mems_allowed=0 [ 215.299184] ? rcu_read_lock_sched_held+0x108/0x120 [ 215.381487] __do_softirq+0x30b/0xad8 [ 215.385313] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 215.390425] ? pvclock_read_flags+0x160/0x160 [ 215.394949] ? lapic_next_event+0x5a/0x90 [ 215.399124] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 215.404678] ? check_preemption_disabled+0x48/0x200 [ 215.409698] ? check_preemption_disabled+0x48/0x200 [ 215.414734] ? kvm_clock_read+0x18/0x30 [ 215.418711] ? kvm_sched_clock_read+0x9/0x20 [ 215.423127] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 215.428792] ? check_preemption_disabled+0x48/0x200 [ 215.433854] irq_exit+0x17f/0x1c0 [ 215.437322] smp_apic_timer_interrupt+0x1cb/0x760 [ 215.442174] ? smp_reschedule_interrupt+0x109/0x650 [ 215.447197] ? smp_call_function_single_interrupt+0x650/0x650 [ 215.453085] ? interrupt_entry+0xb5/0xf0 [ 215.457151] ? trace_hardirqs_off_caller+0xbb/0x300 [ 215.462188] ? trace_hardirqs_off_caller+0xbb/0x300 [ 215.467210] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 215.472068] ? trace_hardirqs_off+0x300/0x300 [ 215.476570] ? trace_hardirqs_off+0x300/0x300 [ 215.481076] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 215.486619] ? check_preemption_disabled+0x48/0x200 [ 215.491649] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 215.497207] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 215.502072] apic_timer_interrupt+0xf/0x20 [ 215.506311] [ 215.508551] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 215.513483] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 215.532393] RSP: 0000:ffff88019f217748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 215.540109] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 215.547380] RDX: 0000000000000000 RSI: ffff88019f972d00 RDI: 0000000000000282 [ 215.554648] RBP: ffff88019f2177b0 R08: ffff88019f972480 R09: 0000000000000000 [ 215.561915] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 215.569199] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 215.576543] skb_clone+0x1bb/0x500 [ 215.580110] ? finish_task_switch+0x2f5/0x900 [ 215.584636] ? skb_split+0x11e0/0x11e0 [ 215.588560] ? preempt_notifier_register+0x200/0x200 [ 215.593786] ? __switch_to_asm+0x34/0x70 [ 215.597867] ? __switch_to_asm+0x34/0x70 [ 215.601934] ? __switch_to_asm+0x40/0x70 [ 215.606004] ? __switch_to_asm+0x34/0x70 [ 215.610081] ? __switch_to_asm+0x40/0x70 [ 215.614158] ? __switch_to_asm+0x34/0x70 [ 215.618224] ? __switch_to_asm+0x40/0x70 [ 215.622283] ? __switch_to_asm+0x34/0x70 [ 215.626356] ? __switch_to_asm+0x34/0x70 [ 215.630418] ? __switch_to_asm+0x40/0x70 [ 215.634477] ? __switch_to_asm+0x34/0x70 [ 215.638552] bpf_clone_redirect+0xb9/0x490 [ 215.642794] ? __schedule+0x874/0x1ed0 [ 215.646692] bpf_prog_a2323609a0d1adb1+0x624/0x1000 [ 215.651712] ? __sched_text_start+0x8/0x8 [ 215.655861] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 215.660632] ? find_held_lock+0x36/0x1c0 [ 215.664706] ? lock_acquire+0x1ed/0x520 [ 215.668694] ? bpf_test_run+0x32e/0x5a0 [ 215.672681] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 215.678232] ? check_preemption_disabled+0x48/0x200 [ 215.683274] ? kasan_check_read+0x11/0x20 [ 215.687437] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 215.692718] ? rcu_bh_qs+0xc0/0xc0 [ 215.696262] ? preempt_schedule+0x4d/0x60 [ 215.700417] ? ___preempt_schedule+0x16/0x18 [ 215.704836] ? bpf_test_run+0x1c0/0x5a0 [ 215.708824] ? netlink_diag_dump+0x2a0/0x2a0 [ 215.713241] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 215.718776] ? bpf_test_init.isra.9+0x70/0x100 [ 215.723366] ? bpf_prog_test_run_skb+0x634/0xb40 [ 215.728140] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 215.732983] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 215.738518] ? fput+0x130/0x1a0 [ 215.741803] ? __bpf_prog_get+0x9b/0x290 [ 215.745868] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 215.750712] ? bpf_prog_test_run+0x130/0x1a0 [ 215.755132] ? __x64_sys_bpf+0x3d8/0x510 [ 215.759201] ? bpf_prog_get+0x20/0x20 [ 215.763057] ? do_syscall_64+0x1b9/0x820 [ 215.767143] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 215.772520] ? syscall_return_slowpath+0x5e0/0x5e0 [ 215.777464] ? trace_hardirqs_off+0x300/0x300 [ 215.781988] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 215.787057] ? recalc_sigpending_tsk+0x180/0x180 [ 215.791834] ? kasan_check_write+0x14/0x20 [ 215.796085] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 215.800946] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 215.806354] CPU: 1 PID: 5351 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51 [ 215.806423] aoe: skb alloc failure [ 215.813563] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 215.813570] Call Trace: [ 215.813577] [ 215.813599] dump_stack+0x1c4/0x2b4 [ 215.813614] ? dump_stack_print_info.cold.2+0x52/0x52 [ 215.813640] warn_alloc.cold.118+0xb7/0x1bd [ 215.813658] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 215.817275] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 215.826576] ? lock_downgrade+0x900/0x900 [ 215.829142] syz-executor0 cpuset= [ 215.831296] ? trace_hardirqs_off+0xb8/0x300 [ 215.834898] syz0 [ 215.840092] ? trace_hardirqs_off+0xb8/0x300 [ 215.844388] mems_allowed=0 [ 215.849231] __alloc_pages_slowpath+0x2667/0x2d80 [ 215.885849] ? warn_alloc+0x120/0x120 [ 215.889671] ? warn_alloc+0x120/0x120 [ 215.893478] ? print_usage_bug+0xc0/0xc0 [ 215.897569] ? warn_alloc+0x120/0x120 [ 215.901373] ? print_usage_bug+0xc0/0xc0 [ 215.905442] ? __lock_acquire+0x7ec/0x4ec0 [ 215.909693] ? __lock_acquire+0x7ec/0x4ec0 [ 215.913951] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 215.919508] ? should_fail+0x22d/0xd01 [ 215.923409] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 215.928519] ? __lock_acquire+0x7ec/0x4ec0 [ 215.932765] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 215.937888] ? __lock_acquire+0x7ec/0x4ec0 [ 215.942132] ? should_fail+0x22d/0xd01 [ 215.946055] ? mark_held_locks+0x130/0x130 [ 215.950306] ? mark_held_locks+0x130/0x130 [ 215.954555] ? graph_lock+0x170/0x170 [ 215.958361] ? graph_lock+0x170/0x170 [ 215.962173] ? graph_lock+0x170/0x170 [ 215.965976] ? print_usage_bug+0xc0/0xc0 [ 215.970050] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 215.975602] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 215.981151] ? check_preemption_disabled+0x48/0x200 [ 215.986174] ? check_preemption_disabled+0x48/0x200 [ 215.991220] ? __lock_is_held+0xb5/0x140 [ 215.995311] __alloc_pages_nodemask+0xa80/0xde0 [ 216.000010] ? graph_lock+0x170/0x170 [ 216.003848] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 216.008892] ? graph_lock+0x170/0x170 [ 216.012732] ? find_held_lock+0x36/0x1c0 [ 216.016832] ? ____cache_alloc_node+0x1c7/0x1e0 [ 216.021528] ? lock_downgrade+0x900/0x900 [ 216.025713] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 216.031278] cache_grow_begin+0x91/0x8c0 [ 216.035358] ? do_raw_spin_unlock+0xa7/0x2f0 [ 216.039792] fallback_alloc+0x203/0x2e0 [ 216.043782] ____cache_alloc_node+0x1c7/0x1e0 [ 216.048297] kmem_cache_alloc_node+0xe3/0x730 [ 216.052803] ? ipv6_get_ifaddr+0x42e/0x620 [ 216.057058] __alloc_skb+0x119/0x770 [ 216.060781] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 216.066079] ? skb_scrub_packet+0x490/0x490 [ 216.070420] ? lock_downgrade+0x900/0x900 [ 216.074595] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 216.080136] ? refcount_sub_and_test_checked+0x203/0x310 [ 216.085594] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 216.091057] ? addrconf_rs_timer+0x6f0/0x6f0 [ 216.095483] ndisc_alloc_skb+0x144/0x340 [ 216.099553] ndisc_send_rs+0x331/0x6e0 [ 216.103451] addrconf_rs_timer+0x3c0/0x6f0 [ 216.107696] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 216.111954] call_timer_fn+0x272/0x920 [ 216.115845] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 216.120083] ? process_timeout+0x40/0x40 [ 216.124161] ? find_held_lock+0x36/0x1c0 [ 216.128238] ? __run_timers+0x7da/0xc70 [ 216.132217] ? _raw_spin_unlock_irq+0x27/0x80 [ 216.136711] ? _raw_spin_unlock_irq+0x27/0x80 [ 216.141206] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 216.145443] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 216.150043] ? trace_hardirqs_on+0xbd/0x310 [ 216.154371] ? kasan_check_read+0x11/0x20 [ 216.158526] ? __run_timers+0x7da/0xc70 [ 216.162507] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 216.167976] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 216.172217] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 216.176457] __run_timers+0x7e5/0xc70 [ 216.180279] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 216.185648] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 216.190666] ? graph_lock+0x170/0x170 [ 216.194473] ? enqueue_hrtimer+0x1a5/0x560 [ 216.198706] ? lock_release+0x970/0x970 [ 216.202684] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 216.207883] ? find_held_lock+0x36/0x1c0 [ 216.211957] ? pvclock_read_flags+0x160/0x160 [ 216.216454] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 216.222017] ? check_preemption_disabled+0x48/0x200 [ 216.227074] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 216.232614] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 216.237895] ? rcu_pm_notify+0xc0/0xc0 [ 216.241793] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 216.247338] ? check_preemption_disabled+0x48/0x200 [ 216.252367] run_timer_softirq+0x52/0xb0 [ 216.256862] ? rcu_read_lock_sched_held+0x108/0x120 [ 216.261890] __do_softirq+0x30b/0xad8 [ 216.265707] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 216.270826] ? pvclock_read_flags+0x160/0x160 [ 216.275326] ? lapic_next_event+0x5a/0x90 [ 216.279478] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 216.285022] ? check_preemption_disabled+0x48/0x200 [ 216.290061] ? check_preemption_disabled+0x48/0x200 [ 216.295092] ? kvm_clock_read+0x18/0x30 [ 216.299071] ? kvm_sched_clock_read+0x9/0x20 [ 216.303485] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 216.309070] ? check_preemption_disabled+0x48/0x200 [ 216.314111] irq_exit+0x17f/0x1c0 [ 216.317579] smp_apic_timer_interrupt+0x1cb/0x760 [ 216.322424] ? smp_reschedule_interrupt+0x109/0x650 [ 216.327443] ? smp_call_function_single_interrupt+0x650/0x650 [ 216.333337] ? interrupt_entry+0xb5/0xf0 [ 216.337410] ? trace_hardirqs_off_caller+0xbb/0x300 [ 216.342438] ? trace_hardirqs_off_caller+0xbb/0x300 [ 216.347465] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 216.352317] ? trace_hardirqs_off+0x300/0x300 [ 216.356823] ? trace_hardirqs_off+0x300/0x300 [ 216.361330] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 216.366882] ? check_preemption_disabled+0x48/0x200 [ 216.371917] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 216.377481] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 216.382354] apic_timer_interrupt+0xf/0x20 [ 216.386599] [ 216.388849] RIP: 0010:_raw_write_unlock_irq+0x56/0x80 [ 216.394078] Code: 52 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d ab aa 92 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 f0 ec 95 f9 65 8b 05 a9 6e 42 78 85 c0 74 05 5b [ 216.412993] RSP: 0018:ffff8801d8cf7350 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 216.420722] RAX: dffffc0000000000 RBX: ffffffff894090c0 RCX: 0000000000000000 [ 216.428006] RDX: 1ffffffff12a4537 RSI: 0000000000000001 RDI: ffffffff895229b8 [ 216.435304] RBP: ffff8801d8cf7358 R08: ffff8801c24ca580 R09: 0000000000000000 [ 216.442596] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d70737c0 [ 216.449885] R13: ffff8801d8cf7490 R14: 0000000000000000 R15: ffff8801c24cab00 [ 216.457203] do_exit+0x11ef/0x2610 [ 216.460752] ? mem_cgroup_commit_charge+0x275/0x9d0 [ 216.465783] ? mm_update_next_owner+0x990/0x990 [ 216.470463] ? print_usage_bug+0xc0/0xc0 [ 216.474527] ? graph_lock+0x170/0x170 [ 216.478338] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 216.483883] ? check_preemption_disabled+0x48/0x200 [ 216.488902] ? check_preemption_disabled+0x48/0x200 [ 216.493923] ? print_usage_bug+0xc0/0xc0 [ 216.497989] ? __lock_acquire+0x7ec/0x4ec0 [ 216.502237] ? __lock_acquire+0x7ec/0x4ec0 [ 216.506495] ? mark_held_locks+0x130/0x130 [ 216.510745] ? mark_held_locks+0x130/0x130 [ 216.514985] ? finish_task_switch+0x1b5/0x900 [ 216.519488] ? __switch_to_asm+0x34/0x70 [ 216.523565] ? __switch_to_asm+0x34/0x70 [ 216.527639] ? __switch_to_asm+0x34/0x70 [ 216.531709] ? __switch_to_asm+0x40/0x70 [ 216.535794] ? __switch_to_asm+0x34/0x70 [ 216.539881] ? __switch_to_asm+0x40/0x70 [ 216.543964] ? __switch_to_asm+0x34/0x70 [ 216.548051] ? __switch_to_asm+0x34/0x70 [ 216.552128] ? __switch_to_asm+0x34/0x70 [ 216.556204] ? __switch_to_asm+0x34/0x70 [ 216.560282] ? __switch_to_asm+0x40/0x70 [ 216.564347] ? __switch_to_asm+0x34/0x70 [ 216.568412] ? __switch_to_asm+0x40/0x70 [ 216.572485] ? graph_lock+0x170/0x170 [ 216.576294] ? graph_lock+0x170/0x170 [ 216.580101] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 216.585639] ? wait_consider_task+0x245/0x3bb0 [ 216.590225] ? memset+0x31/0x40 [ 216.593518] ? find_held_lock+0x36/0x1c0 [ 216.597589] ? get_signal+0x95b/0x1980 [ 216.601480] ? _raw_spin_unlock_irq+0x27/0x80 [ 216.605981] ? _raw_spin_unlock_irq+0x27/0x80 [ 216.610497] do_group_exit+0x177/0x440 [ 216.614396] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 216.619859] ? __ia32_sys_exit+0x50/0x50 [ 216.623933] get_signal+0x8b0/0x1980 [ 216.627674] ? ptrace_notify+0x130/0x130 [ 216.631739] ? do_wait+0x57d/0xb90 [ 216.635286] ? wait_consider_task+0x3bb0/0x3bb0 [ 216.639968] ? graph_lock+0x170/0x170 [ 216.643785] ? graph_lock+0x170/0x170 [ 216.647608] ? graph_lock+0x170/0x170 [ 216.651426] do_signal+0x9c/0x21e0 [ 216.654969] ? find_held_lock+0x36/0x1c0 [ 216.659062] ? setup_sigcontext+0x7d0/0x7d0 [ 216.663485] ? kernel_wait4+0x2e0/0x3f0 [ 216.667461] ? __ia32_sys_waitid+0x140/0x140 [ 216.671877] ? task_stopped_code+0x190/0x190 [ 216.676289] ? exit_to_usermode_loop+0x8c/0x380 [ 216.680975] ? __do_page_fault+0x4a6/0xed0 [ 216.685215] ? do_syscall_64+0x9a/0x820 [ 216.689194] ? do_syscall_64+0x9a/0x820 [ 216.693176] exit_to_usermode_loop+0x2e5/0x380 [ 216.697785] ? syscall_slow_exit_work+0x520/0x520 [ 216.702654] do_syscall_64+0x6be/0x820 [ 216.706551] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 216.711947] ? syscall_return_slowpath+0x5e0/0x5e0 [ 216.716884] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 216.721737] ? trace_hardirqs_off+0x300/0x300 [ 216.726235] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 216.731258] ? prepare_exit_to_usermode+0x291/0x3b0 [ 216.736282] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 216.741139] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 216.746326] RIP: 0033:0x410e7a [ 216.749523] Code: Bad RIP value. [ 216.752883] RSP: 002b:00007ffdfa797988 EFLAGS: 00000246 ORIG_RAX: 000000000000003d [ 216.760593] RAX: fffffffffffffe00 RBX: 00000000000014f2 RCX: 0000000000410e7a [ 216.767877] RDX: 0000000040000000 RSI: 00007ffdfa797994 RDI: ffffffffffffffff [ 216.775162] RBP: 0000000000930b28 R08: 00000000000014e7 R09: 00000000024eb940 [ 216.782432] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010 [ 216.789699] R13: 0000000000412a80 R14: 0000000000000000 R15: 0000000000000000 [ 216.797098] warn_alloc_show_mem: 1 callbacks suppressed [ 216.797111] CPU: 0 PID: 9562 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51 [ 216.797112] Mem-Info: [ 216.797142] active_anon:43308 inactive_anon:372 isolated_anon:0 [ 216.797142] active_file:9 inactive_file:26 isolated_file:0 [ 216.797142] unevictable:0 dirty:0 writeback:0 unstable:0 [ 216.797142] slab_reclaimable:8855 slab_unreclaimable:1462387 [ 216.797142] mapped:57522 shmem:379 pagetables:727 bounce:0 [ 216.797142] free:13711 free_pcp:202 free_cma:0 [ 216.802489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 216.809683] Node 0 active_anon:173232kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 216.812083] Call Trace: [ 216.844873] Node 0 [ 216.854230] [ 216.882011] 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 [ 216.884570] dump_stack+0x1c4/0x2b4 [ 216.886773] lowmem_reserve[]: 0 [ 216.888988] ? dump_stack_print_info.cold.2+0x52/0x52 [ 216.914469] 2817 [ 216.918108] warn_alloc.cold.118+0xb7/0x1bd [ 216.921351] 6321 [ 216.926548] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 216.928579] 6321 [ 216.932905] ? lock_downgrade+0x900/0x900 [ 216.934966] Node 0 [ 216.939808] ? trace_hardirqs_off+0xb8/0x300 [ 216.941870] DMA32 free:24940kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 216.945989] ? trace_hardirqs_off+0xb8/0x300 [ 216.948194] lowmem_reserve[]: 0 [ 216.952611] __alloc_pages_slowpath+0x2667/0x2d80 [ 216.979395] 0 3503 [ 216.983853] ? warn_alloc+0x120/0x120 [ 216.987065] 3503 [ 216.991903] ? warn_alloc+0x120/0x120 [ 216.997903] ? print_usage_bug+0xc0/0xc0 [ 216.999955] Node 0 [ 217.003747] ? warn_alloc+0x120/0x120 [ 217.007813] Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:169136kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5568kB pagetables:2908kB bounce:0kB free_pcp:808kB local_pcp:692kB free_cma:0kB [ 217.010013] ? print_usage_bug+0xc0/0xc0 [ 217.013796] lowmem_reserve[]: [ 217.042242] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 217.042258] ? ktime_get+0x2e1/0x440 [ 217.046294] 0 0 [ 217.049408] ? check_preemption_disabled+0x48/0x200 [ 217.054397] 0 [ 217.058102] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 217.060057] 0 [ 217.065069] ? should_fail+0x22d/0xd01 [ 217.072377] ? kasan_check_read+0x11/0x20 [ 217.074153] Node 0 [ 217.078088] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 217.082207] DMA: [ 217.084467] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 217.089715] 1*4kB [ 217.091769] ? __lock_acquire+0x7ec/0x4ec0 [ 217.096852] (U) [ 217.099013] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 217.103235] 0*8kB [ 217.105206] ? should_fail+0x22d/0xd01 [ 217.110283] 0*16kB [ 217.112435] ? mark_held_locks+0x130/0x130 [ 217.116306] 1*32kB (U) [ 217.118543] ? mark_held_locks+0x130/0x130 [ 217.122748] 2*64kB (U) [ 217.125797] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 217.125819] ? graph_lock+0x170/0x170 [ 217.130036] 1*128kB [ 217.132614] ? mark_held_locks+0xc7/0x130 [ 217.138143] (U) [ 217.141941] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 217.144238] 1*256kB [ 217.148376] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 217.150330] (U) [ 217.155341] ? check_preemption_disabled+0x48/0x200 [ 217.157652] 0*512kB [ 217.163184] ? check_preemption_disabled+0x48/0x200 [ 217.165138] 1*1024kB [ 217.170175] ? __lock_is_held+0xb5/0x140 [ 217.172466] (U) [ 217.177479] __alloc_pages_nodemask+0xa80/0xde0 [ 217.179861] 1*2048kB [ 217.183912] ? graph_lock+0x170/0x170 [ 217.185866] (M) [ 217.190527] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 217.192929] 3*4096kB [ 217.196719] ? graph_lock+0x170/0x170 [ 217.198669] (M) [ 217.203699] ? find_held_lock+0x36/0x1c0 [ 217.206082] = 15908kB [ 217.209888] ? ____cache_alloc_node+0x1c7/0x1e0 [ 217.211832] Node 0 [ 217.215884] ? lock_downgrade+0x900/0x900 [ 217.218283] DMA32: [ 217.222952] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 217.225163] 3*4kB [ 217.229310] cache_grow_begin+0x91/0x8c0 [ 217.231515] (UM) [ 217.237052] ? do_raw_spin_unlock+0xa7/0x2f0 [ 217.239176] 2*8kB [ 217.243233] fallback_alloc+0x203/0x2e0 [ 217.245269] (U) [ 217.249711] ____cache_alloc_node+0x1c7/0x1e0 [ 217.251833] 5*16kB [ 217.255801] kmem_cache_alloc_node+0xe3/0x730 [ 217.257758] (UM) [ 217.262248] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 217.264458] 2*32kB [ 217.268948] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 217.270985] (UM) [ 217.276757] __alloc_skb+0x119/0x770 [ 217.278994] 3*64kB [ 217.283567] ? calc_wheel_index+0x220/0x220 [ 217.285603] (UM) [ 217.289314] ? skb_scrub_packet+0x490/0x490 [ 217.291531] 4*128kB [ 217.295851] ? vprintk_default+0x28/0x30 [ 217.297883] (UM) [ 217.302196] ? vprintk_func+0x85/0x181 [ 217.304496] 2*256kB [ 217.308548] ? printk+0xa7/0xcf [ 217.310593] (M) [ 217.314478] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 217.316794] 4*512kB [ 217.320072] new_skb+0x26/0x1c0 [ 217.322021] (UM) [ 217.326773] aoecmd_cfg+0x279/0x7f0 [ 217.329078] 3*1024kB [ 217.332352] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 217.334390] (M) [ 217.338013] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 217.340398] 1*2048kB [ 217.344713] ? check_preemption_disabled+0x48/0x200 [ 217.346659] (U) [ 217.352191] ? check_preemption_disabled+0x48/0x200 [ 217.354575] 4*4096kB [ 217.359592] ? __lock_is_held+0xb5/0x140 [ 217.361532] (M) [ 217.366549] discover_timer+0x50/0x60 [ 217.368932] = 24940kB [ 217.372989] call_timer_fn+0x272/0x920 [ 217.374939] Node 0 [ 217.378732] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 217.381118] Normal: [ 217.385001] ? process_timeout+0x40/0x40 [ 217.387214] 667*4kB [ 217.392055] ? find_held_lock+0x36/0x1c0 [ 217.394351] (UMEH) [ 217.398410] ? __run_timers+0x7da/0xc70 [ 217.400702] 358*8kB [ 217.404756] ? _raw_spin_unlock_irq+0x27/0x80 [ 217.404772] ? _raw_spin_unlock_irq+0x27/0x80 [ 217.406992] (UMEH) [ 217.410960] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 217.413261] 191*16kB [ 217.417749] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 217.422217] (UMEH) [ 217.424454] ? trace_hardirqs_on+0xbd/0x310 [ 217.429271] 81*32kB [ 217.431681] ? kasan_check_read+0x11/0x20 [ 217.436234] (UMEH) [ 217.438471] ? __run_timers+0x7da/0xc70 [ 217.442765] 30*64kB [ 217.445109] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 217.449229] (UMH) [ 217.451464] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 217.455411] 1*128kB [ 217.457732] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 217.463151] (M) [ 217.465305] __run_timers+0x7e5/0xc70 [ 217.469506] 3*256kB [ 217.471836] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 217.476641] (UH) [ 217.478615] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 217.482391] 0*512kB 0*1024kB [ 217.484730] ? graph_lock+0x170/0x170 [ 217.490067] 0*2048kB [ 217.492128] ? enqueue_hrtimer+0x1a5/0x560 [ 217.497123] 0*4096kB [ 217.500241] ? lock_release+0x970/0x970 [ 217.504034] = 13996kB [ 217.506456] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 217.510675] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 217.513083] ? find_held_lock+0x36/0x1c0 [ 217.517041] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 217.519437] ? graph_lock+0x170/0x170 [ 217.524604] 414 total pagecache pages [ 217.533444] ? pvclock_read_flags+0x160/0x160 [ 217.537491] 0 pages in swap cache [ 217.546105] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 217.549877] Swap cache stats: add 0, delete 0, find 0/0 [ 217.549886] Free swap = 0kB [ 217.553683] ? check_preemption_disabled+0x48/0x200 [ 217.558146] Total swap = 0kB [ 217.561599] ? __lock_is_held+0xb5/0x140 [ 217.567104] 1965979 pages RAM [ 217.572464] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 217.575461] 0 pages HighMem/MovableOnly [ 217.580484] ? check_preemption_disabled+0x48/0x200 [ 217.583479] 342744 pages reserved [ 217.587542] run_timer_softirq+0x52/0xb0 [ 217.590618] 0 pages cma reserved [ 217.596149] ? rcu_read_lock_sched_held+0x108/0x120 [ 217.600206] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 217.605155] __do_softirq+0x30b/0xad8 [ 217.608678] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 217.612645] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 217.615984] syz-executor1 cpuset= [ 217.621005] ? pvclock_read_flags+0x160/0x160 [ 217.627466] / [ 217.631260] ? lapic_next_event+0x5a/0x90 [ 217.641724] mems_allowed=0 [ 217.646825] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 217.669046] ? check_preemption_disabled+0x48/0x200 [ 217.674075] ? check_preemption_disabled+0x48/0x200 [ 217.679122] ? kvm_clock_read+0x18/0x30 [ 217.683104] ? kvm_sched_clock_read+0x9/0x20 [ 217.687522] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 217.693079] ? check_preemption_disabled+0x48/0x200 [ 217.698113] irq_exit+0x17f/0x1c0 [ 217.701574] smp_apic_timer_interrupt+0x1cb/0x760 [ 217.706419] ? smp_reschedule_interrupt+0x109/0x650 [ 217.711443] ? smp_call_function_single_interrupt+0x650/0x650 [ 217.717333] ? interrupt_entry+0xb5/0xf0 [ 217.721399] ? trace_hardirqs_off_caller+0xbb/0x300 [ 217.726417] ? trace_hardirqs_off_caller+0xbb/0x300 [ 217.731435] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 217.736309] ? trace_hardirqs_off+0x300/0x300 [ 217.740831] ? trace_hardirqs_off+0x300/0x300 [ 217.745352] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 217.750892] ? check_preemption_disabled+0x48/0x200 [ 217.755906] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 217.761452] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 217.766326] apic_timer_interrupt+0xf/0x20 [ 217.770556] [ 217.772796] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 217.777727] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 217.796640] RSP: 0000:ffff88019f217748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 217.804380] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 217.811652] RDX: 0000000000000000 RSI: ffff88019f972d00 RDI: 0000000000000282 [ 217.818922] RBP: ffff88019f2177b0 R08: ffff88019f972480 R09: 0000000000000000 [ 217.826191] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 217.833462] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 217.840777] skb_clone+0x1bb/0x500 [ 217.844328] ? finish_task_switch+0x2f5/0x900 [ 217.848829] ? skb_split+0x11e0/0x11e0 [ 217.852722] ? preempt_notifier_register+0x200/0x200 [ 217.857824] ? __switch_to_asm+0x34/0x70 [ 217.861887] ? __switch_to_asm+0x34/0x70 [ 217.865949] ? __switch_to_asm+0x40/0x70 [ 217.870013] ? __switch_to_asm+0x34/0x70 [ 217.874085] ? __switch_to_asm+0x40/0x70 [ 217.878168] ? __switch_to_asm+0x34/0x70 [ 217.882234] ? __switch_to_asm+0x40/0x70 [ 217.886306] ? __switch_to_asm+0x34/0x70 [ 217.890394] ? __switch_to_asm+0x34/0x70 [ 217.894468] ? __switch_to_asm+0x40/0x70 [ 217.898529] ? __switch_to_asm+0x34/0x70 [ 217.902606] bpf_clone_redirect+0xb9/0x490 [ 217.906847] ? __schedule+0x874/0x1ed0 [ 217.910741] bpf_prog_a2323609a0d1adb1+0x624/0x1000 [ 217.915760] ? __sched_text_start+0x8/0x8 [ 217.919913] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 217.924682] ? find_held_lock+0x36/0x1c0 [ 217.928750] ? lock_acquire+0x1ed/0x520 [ 217.932724] ? bpf_test_run+0x32e/0x5a0 [ 217.936700] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 217.942241] ? check_preemption_disabled+0x48/0x200 [ 217.947263] ? kasan_check_read+0x11/0x20 [ 217.951421] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 217.956702] ? rcu_bh_qs+0xc0/0xc0 [ 217.960243] ? preempt_schedule+0x4d/0x60 [ 217.964391] ? ___preempt_schedule+0x16/0x18 [ 217.968841] ? bpf_test_run+0x1c0/0x5a0 [ 217.972855] ? netlink_diag_dump+0x2a0/0x2a0 [ 217.977268] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 217.982809] ? bpf_test_init.isra.9+0x70/0x100 [ 217.987396] ? bpf_prog_test_run_skb+0x634/0xb40 [ 217.992160] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 217.997006] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 218.002549] ? fput+0x130/0x1a0 [ 218.005837] ? __bpf_prog_get+0x9b/0x290 [ 218.009904] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 218.014748] ? bpf_prog_test_run+0x130/0x1a0 [ 218.019166] ? __x64_sys_bpf+0x3d8/0x510 [ 218.023228] ? bpf_prog_get+0x20/0x20 [ 218.027074] ? do_syscall_64+0x1b9/0x820 [ 218.031138] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 218.036504] ? syscall_return_slowpath+0x5e0/0x5e0 [ 218.041439] ? trace_hardirqs_off+0x300/0x300 [ 218.045940] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 218.050955] ? recalc_sigpending_tsk+0x180/0x180 [ 218.055715] ? kasan_check_write+0x14/0x20 [ 218.059971] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 218.064825] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 218.070211] CPU: 1 PID: 5351 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51 [ 218.070280] aoe: skb alloc failure [ 218.077426] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 218.077431] Call Trace: [ 218.077438] [ 218.077457] dump_stack+0x1c4/0x2b4 [ 218.077473] ? dump_stack_print_info.cold.2+0x52/0x52 [ 218.077500] warn_alloc.cold.118+0xb7/0x1bd [ 218.081061] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 218.090654] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 218.093214] syz-executor0 cpuset= [ 218.095358] ? lock_downgrade+0x900/0x900 [ 218.098959] syz0 [ 218.104149] ? trace_hardirqs_off+0xb8/0x300 [ 218.108446] mems_allowed=0 [ 218.118926] ? trace_hardirqs_off+0xb8/0x300 [ 218.144996] __alloc_pages_slowpath+0x2667/0x2d80 [ 218.149880] ? warn_alloc+0x120/0x120 [ 218.153691] ? trace_hardirqs_on+0x310/0x310 [ 218.158102] ? warn_alloc+0x120/0x120 [ 218.161909] ? print_usage_bug+0xc0/0xc0 [ 218.165973] ? warn_alloc+0x120/0x120 [ 218.169778] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 218.174831] ? print_usage_bug+0xc0/0xc0 [ 218.178929] ? __lock_acquire+0x7ec/0x4ec0 [ 218.183181] ? __lock_acquire+0x7ec/0x4ec0 [ 218.187437] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 218.192992] ? should_fail+0x22d/0xd01 [ 218.196899] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 218.202016] ? __lock_acquire+0x7ec/0x4ec0 [ 218.206275] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 218.211384] ? __lock_acquire+0x7ec/0x4ec0 [ 218.215620] ? should_fail+0x22d/0xd01 [ 218.219517] ? print_usage_bug+0xc0/0xc0 [ 218.223590] ? mark_held_locks+0x130/0x130 [ 218.227831] ? mark_held_locks+0x130/0x130 [ 218.232122] ? graph_lock+0x170/0x170 [ 218.235924] ? print_usage_bug+0xc0/0xc0 [ 218.239999] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 218.244818] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 218.250358] ? check_preemption_disabled+0x48/0x200 [ 218.255411] ? check_preemption_disabled+0x48/0x200 [ 218.260964] ? __lock_is_held+0xb5/0x140 [ 218.265042] __alloc_pages_nodemask+0xa80/0xde0 [ 218.269716] ? graph_lock+0x170/0x170 [ 218.273524] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 218.278535] ? graph_lock+0x170/0x170 [ 218.282347] ? find_held_lock+0x36/0x1c0 [ 218.286423] ? ____cache_alloc_node+0x1c7/0x1e0 [ 218.291092] ? lock_downgrade+0x900/0x900 [ 218.295247] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 218.300798] cache_grow_begin+0x91/0x8c0 [ 218.304864] ? do_raw_spin_unlock+0xa7/0x2f0 [ 218.309282] fallback_alloc+0x203/0x2e0 [ 218.313268] ____cache_alloc_node+0x1c7/0x1e0 [ 218.317781] kmem_cache_alloc_node+0xe3/0x730 [ 218.322294] ? ipv6_get_ifaddr+0x42e/0x620 [ 218.326549] __alloc_skb+0x119/0x770 [ 218.330270] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 218.335556] ? skb_scrub_packet+0x490/0x490 [ 218.339881] ? lock_downgrade+0x900/0x900 [ 218.344049] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 218.349589] ? refcount_sub_and_test_checked+0x203/0x310 [ 218.355055] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 218.360514] ? addrconf_rs_timer+0x6f0/0x6f0 [ 218.364940] ndisc_alloc_skb+0x144/0x340 [ 218.369012] ndisc_send_rs+0x331/0x6e0 [ 218.372915] addrconf_rs_timer+0x3c0/0x6f0 [ 218.377170] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 218.381420] call_timer_fn+0x272/0x920 [ 218.385307] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 218.389546] ? process_timeout+0x40/0x40 [ 218.393611] ? find_held_lock+0x36/0x1c0 [ 218.397684] ? __run_timers+0x7da/0xc70 [ 218.401666] ? _raw_spin_unlock_irq+0x27/0x80 [ 218.406163] ? _raw_spin_unlock_irq+0x27/0x80 [ 218.410659] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 218.414897] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 218.419484] ? trace_hardirqs_on+0xbd/0x310 [ 218.423812] ? kasan_check_read+0x11/0x20 [ 218.427966] ? __run_timers+0x7da/0xc70 [ 218.431958] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 218.437414] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 218.441656] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 218.445898] __run_timers+0x7e5/0xc70 [ 218.449713] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 218.455093] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 218.460118] ? graph_lock+0x170/0x170 [ 218.463932] ? enqueue_hrtimer+0x1a5/0x560 [ 218.468191] ? lock_release+0x970/0x970 [ 218.472268] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 218.477568] ? find_held_lock+0x36/0x1c0 [ 218.481652] ? pvclock_read_flags+0x160/0x160 [ 218.486155] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 218.491704] ? check_preemption_disabled+0x48/0x200 [ 218.496738] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 218.502279] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 218.507567] ? rcu_pm_notify+0xc0/0xc0 [ 218.511462] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 218.517016] ? check_preemption_disabled+0x48/0x200 [ 218.522078] run_timer_softirq+0x52/0xb0 [ 218.526142] ? rcu_read_lock_sched_held+0x108/0x120 [ 218.531164] __do_softirq+0x30b/0xad8 [ 218.534978] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 218.540092] ? pvclock_read_flags+0x160/0x160 [ 218.544586] ? lapic_next_event+0x5a/0x90 [ 218.548734] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 218.554274] ? check_preemption_disabled+0x48/0x200 [ 218.559295] ? check_preemption_disabled+0x48/0x200 [ 218.564319] ? kvm_clock_read+0x18/0x30 [ 218.568298] ? kvm_sched_clock_read+0x9/0x20 [ 218.572711] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 218.578249] ? check_preemption_disabled+0x48/0x200 [ 218.583291] irq_exit+0x17f/0x1c0 [ 218.586764] smp_apic_timer_interrupt+0x1cb/0x760 [ 218.591614] ? smp_reschedule_interrupt+0x109/0x650 [ 218.596634] ? smp_call_function_single_interrupt+0x650/0x650 [ 218.602528] ? interrupt_entry+0xb5/0xf0 [ 218.606600] ? trace_hardirqs_off_caller+0xbb/0x300 [ 218.611615] ? trace_hardirqs_off_caller+0xbb/0x300 [ 218.616637] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 218.621480] ? trace_hardirqs_off+0x300/0x300 [ 218.625987] ? trace_hardirqs_off+0x300/0x300 [ 218.630485] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 218.636039] ? check_preemption_disabled+0x48/0x200 [ 218.641067] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 218.646615] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 218.651477] apic_timer_interrupt+0xf/0x20 [ 218.655714] [ 218.657991] RIP: 0010:_raw_write_unlock_irq+0x56/0x80 [ 218.663208] Code: 52 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d ab aa 92 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 f0 ec 95 f9 65 8b 05 a9 6e 42 78 85 c0 74 05 5b [ 218.682111] RSP: 0018:ffff8801d8cf7350 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 218.689828] RAX: dffffc0000000000 RBX: ffffffff894090c0 RCX: 0000000000000000 [ 218.697101] RDX: 1ffffffff12a4537 RSI: 0000000000000001 RDI: ffffffff895229b8 [ 218.704371] RBP: ffff8801d8cf7358 R08: ffff8801c24ca580 R09: 0000000000000000 [ 218.711641] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d70737c0 [ 218.718922] R13: ffff8801d8cf7490 R14: 0000000000000000 R15: ffff8801c24cab00 [ 218.726237] do_exit+0x11ef/0x2610 [ 218.729795] ? mem_cgroup_commit_charge+0x275/0x9d0 [ 218.734838] ? mm_update_next_owner+0x990/0x990 [ 218.739536] ? print_usage_bug+0xc0/0xc0 [ 218.743611] ? graph_lock+0x170/0x170 [ 218.747434] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 218.752994] ? check_preemption_disabled+0x48/0x200 [ 218.758048] ? check_preemption_disabled+0x48/0x200 [ 218.763081] ? print_usage_bug+0xc0/0xc0 [ 218.767155] ? __lock_acquire+0x7ec/0x4ec0 [ 218.771400] ? __lock_acquire+0x7ec/0x4ec0 [ 218.775656] ? mark_held_locks+0x130/0x130 [ 218.779909] ? mark_held_locks+0x130/0x130 [ 218.784152] ? finish_task_switch+0x1b5/0x900 [ 218.788657] ? __switch_to_asm+0x34/0x70 [ 218.792722] ? __switch_to_asm+0x34/0x70 [ 218.796785] ? __switch_to_asm+0x34/0x70 [ 218.800883] ? __switch_to_asm+0x40/0x70 [ 218.804962] ? __switch_to_asm+0x34/0x70 [ 218.809023] ? __switch_to_asm+0x40/0x70 [ 218.813098] ? __switch_to_asm+0x34/0x70 [ 218.817165] ? __switch_to_asm+0x34/0x70 [ 218.821228] ? __switch_to_asm+0x34/0x70 [ 218.825292] ? __switch_to_asm+0x34/0x70 [ 218.829355] ? __switch_to_asm+0x40/0x70 [ 218.833510] ? __switch_to_asm+0x34/0x70 [ 218.837571] ? __switch_to_asm+0x40/0x70 [ 218.841647] ? graph_lock+0x170/0x170 [ 218.845458] ? graph_lock+0x170/0x170 [ 218.849270] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 218.854818] ? wait_consider_task+0x245/0x3bb0 [ 218.859415] ? memset+0x31/0x40 [ 218.862709] ? find_held_lock+0x36/0x1c0 [ 218.866788] ? get_signal+0x95b/0x1980 [ 218.870689] ? _raw_spin_unlock_irq+0x27/0x80 [ 218.875189] ? _raw_spin_unlock_irq+0x27/0x80 [ 218.879697] do_group_exit+0x177/0x440 [ 218.883593] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 218.889059] ? __ia32_sys_exit+0x50/0x50 [ 218.893148] get_signal+0x8b0/0x1980 [ 218.896882] ? ptrace_notify+0x130/0x130 [ 218.900951] ? do_wait+0x57d/0xb90 [ 218.904506] ? wait_consider_task+0x3bb0/0x3bb0 [ 218.909181] ? graph_lock+0x170/0x170 [ 218.912987] ? graph_lock+0x170/0x170 [ 218.916798] ? graph_lock+0x170/0x170 [ 218.920624] do_signal+0x9c/0x21e0 [ 218.924168] ? find_held_lock+0x36/0x1c0 [ 218.928244] ? setup_sigcontext+0x7d0/0x7d0 [ 218.932579] ? kernel_wait4+0x2e0/0x3f0 [ 218.936574] ? __ia32_sys_waitid+0x140/0x140 [ 218.941009] ? task_stopped_code+0x190/0x190 [ 218.945451] ? exit_to_usermode_loop+0x8c/0x380 [ 218.950669] ? __do_page_fault+0x4a6/0xed0 [ 218.954919] ? do_syscall_64+0x9a/0x820 [ 218.958903] ? do_syscall_64+0x9a/0x820 [ 218.962892] exit_to_usermode_loop+0x2e5/0x380 [ 218.967492] ? syscall_slow_exit_work+0x520/0x520 [ 218.972358] do_syscall_64+0x6be/0x820 [ 218.976255] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 218.981633] ? syscall_return_slowpath+0x5e0/0x5e0 [ 218.986570] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 218.991422] ? trace_hardirqs_off+0x300/0x300 [ 218.995925] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 219.000953] ? prepare_exit_to_usermode+0x291/0x3b0 [ 219.005982] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 219.010839] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 219.016040] RIP: 0033:0x410e7a [ 219.019241] Code: Bad RIP value. [ 219.022605] RSP: 002b:00007ffdfa797988 EFLAGS: 00000246 ORIG_RAX: 000000000000003d [ 219.030327] RAX: fffffffffffffe00 RBX: 00000000000014f2 RCX: 0000000000410e7a [ 219.037610] RDX: 0000000040000000 RSI: 00007ffdfa797994 RDI: ffffffffffffffff [ 219.044885] RBP: 0000000000930b28 R08: 00000000000014e7 R09: 00000000024eb940 [ 219.052163] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010 [ 219.059438] R13: 0000000000412a80 R14: 0000000000000000 R15: 0000000000000000 [ 219.066740] warn_alloc_show_mem: 1 callbacks suppressed [ 219.066753] CPU: 0 PID: 9562 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51 [ 219.066755] Mem-Info: [ 219.066784] active_anon:43308 inactive_anon:372 isolated_anon:0 [ 219.066784] active_file:9 inactive_file:26 isolated_file:0 [ 219.066784] unevictable:0 dirty:0 writeback:0 unstable:0 [ 219.066784] slab_reclaimable:8855 slab_unreclaimable:1462387 [ 219.066784] mapped:57522 shmem:379 pagetables:727 bounce:0 [ 219.066784] free:13711 free_pcp:202 free_cma:0 [ 219.072133] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 219.072142] Call Trace: [ 219.079350] Node 0 active_anon:173232kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 219.081753] [ 219.114545] Node 0 [ 219.123917] dump_stack+0x1c4/0x2b4 [ 219.126795] 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 [ 219.154545] ? dump_stack_print_info.cold.2+0x52/0x52 [ 219.156678] lowmem_reserve[]: [ 219.158922] warn_alloc.cold.118+0xb7/0x1bd [ 219.162520] 0 [ 219.188040] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 219.193203] 2817 [ 219.196324] ? lock_downgrade+0x900/0x900 [ 219.200616] 6321 [ 219.202417] ? trace_hardirqs_off+0xb8/0x300 [ 219.207232] 6321 [ 219.209296] ? trace_hardirqs_off+0xb8/0x300 [ 219.215489] __alloc_pages_slowpath+0x2667/0x2d80 [ 219.219864] Node 0 [ 219.221948] ? warn_alloc+0x120/0x120 [ 219.226330] DMA32 free:24940kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 219.231143] ? __lock_acquire+0x7ec/0x4ec0 [ 219.233350] lowmem_reserve[]: 0 [ 219.237155] ? warn_alloc+0x120/0x120 [ 219.263941] 0 [ 219.268180] ? print_usage_bug+0xc0/0xc0 [ 219.271428] 3503 [ 219.275224] ? warn_alloc+0x120/0x120 [ 219.277006] 3503 [ 219.281073] ? print_usage_bug+0xc0/0xc0 [ 219.286910] ? mark_held_locks+0x130/0x130 [ 219.288948] Node 0 [ 219.293000] ? mark_held_locks+0x130/0x130 [ 219.297239] Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:169136kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5568kB pagetables:2908kB bounce:0kB free_pcp:808kB local_pcp:692kB free_cma:0kB [ 219.299446] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 219.303647] lowmem_reserve[]: 0 [ 219.332112] ? should_fail+0x22d/0xd01 [ 219.337619] 0 0 [ 219.340904] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 219.344760] 0 [ 219.346733] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 219.354066] ? __lock_acquire+0x7ec/0x4ec0 [ 219.359145] Node 0 DMA: [ 219.363375] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 219.363391] ? should_fail+0x22d/0xd01 [ 219.366047] 1*4kB [ 219.371151] ? mark_held_locks+0x130/0x130 [ 219.375008] (U) [ 219.377204] ? mark_held_locks+0x130/0x130 [ 219.381406] 0*8kB 0*16kB [ 219.383386] ? graph_lock+0x170/0x170 [ 219.387597] 1*32kB [ 219.390346] ? graph_lock+0x170/0x170 [ 219.394122] (U) [ 219.396353] ? print_usage_bug+0xc0/0xc0 [ 219.400125] 2*64kB (U) [ 219.402104] ? do_raw_spin_unlock+0xa7/0x2f0 [ 219.406132] 1*128kB (U) [ 219.408724] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 219.413126] 1*256kB [ 219.415792] ? check_preemption_disabled+0x48/0x200 [ 219.421296] (U) 0*512kB [ 219.423626] ? check_preemption_disabled+0x48/0x200 [ 219.428616] 1*1024kB [ 219.431299] ? __lock_is_held+0xb5/0x140 [ 219.436278] (U) [ 219.438687] __alloc_pages_nodemask+0xa80/0xde0 [ 219.442718] 1*2048kB [ 219.444687] ? graph_lock+0x170/0x170 [ 219.449330] (M) [ 219.451734] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 219.455510] 3*4096kB [ 219.457478] ? graph_lock+0x170/0x170 [ 219.462470] (M) [ 219.464888] ? find_held_lock+0x36/0x1c0 [ 219.468652] = 15908kB [ 219.468660] Node 0 [ 219.470636] ? ____cache_alloc_node+0x1c7/0x1e0 [ 219.474658] DMA32: 3*4kB [ 219.477071] ? lock_downgrade+0x900/0x900 [ 219.479320] (UM) [ 219.483983] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 219.486712] 2*8kB [ 219.490854] cache_grow_begin+0x91/0x8c0 [ 219.492897] (U) [ 219.498427] ? do_raw_spin_unlock+0xa7/0x2f0 [ 219.500565] 5*16kB [ 219.504619] fallback_alloc+0x203/0x2e0 [ 219.506566] (UM) [ 219.510974] ____cache_alloc_node+0x1c7/0x1e0 [ 219.513177] 2*32kB (UM) [ 219.517176] kmem_cache_alloc_node+0xe3/0x730 [ 219.519213] 3*64kB [ 219.523702] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 219.526347] (UM) [ 219.530924] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 219.533134] 4*128kB [ 219.538242] __alloc_skb+0x119/0x770 [ 219.540274] (UM) [ 219.544871] ? calc_wheel_index+0x220/0x220 [ 219.547170] 2*256kB [ 219.550876] ? skb_scrub_packet+0x490/0x490 [ 219.552912] (M) [ 219.557232] ? vprintk_default+0x28/0x30 [ 219.559521] 4*512kB (UM) [ 219.563840] ? vprintk_func+0x85/0x181 [ 219.565797] 3*1024kB [ 219.569847] ? printk+0xa7/0xcf [ 219.572582] (M) [ 219.576465] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 219.578866] 1*2048kB [ 219.582164] new_skb+0x26/0x1c0 [ 219.584118] (U) [ 219.588865] aoecmd_cfg+0x279/0x7f0 [ 219.591265] 4*4096kB [ 219.594543] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 219.596493] (M) [ 219.600116] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 219.602498] = 24940kB [ 219.606816] ? check_preemption_disabled+0x48/0x200 [ 219.608767] Node 0 [ 219.614305] ? check_preemption_disabled+0x48/0x200 [ 219.616683] Normal: [ 219.621698] ? __lock_is_held+0xb5/0x140 [ 219.623905] 667*4kB [ 219.628918] discover_timer+0x50/0x60 [ 219.631208] (UMEH) [ 219.635269] call_timer_fn+0x272/0x920 [ 219.637558] 358*8kB (UMEH) [ 219.641356] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 219.643568] 191*16kB [ 219.647450] ? process_timeout+0x40/0x40 [ 219.650356] (UMEH) [ 219.655190] ? find_held_lock+0x36/0x1c0 [ 219.657572] 81*32kB (UMEH) [ 219.661638] ? __run_timers+0x7da/0xc70 [ 219.663844] 30*64kB [ 219.667897] ? _raw_spin_unlock_irq+0x27/0x80 [ 219.670806] (UMH) [ 219.674772] ? _raw_spin_unlock_irq+0x27/0x80 [ 219.677070] 1*128kB [ 219.681556] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 219.683680] (M) [ 219.688170] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 219.690469] 3*256kB [ 219.695325] ? trace_hardirqs_on+0xbd/0x310 [ 219.697276] (UH) [ 219.701873] ? kasan_check_read+0x11/0x20 [ 219.704167] 0*512kB [ 219.708487] ? __run_timers+0x7da/0xc70 [ 219.710517] 0*1024kB 0*2048kB [ 219.714671] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 219.716969] 0*4096kB [ 219.720938] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 219.724112] = 13996kB [ 219.729556] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 219.731945] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 219.736169] __run_timers+0x7e5/0xc70 [ 219.738560] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 219.743395] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 219.752195] 414 total pagecache pages [ 219.755987] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 219.764539] 0 pages in swap cache [ 219.769909] ? graph_lock+0x170/0x170 [ 219.773686] Swap cache stats: add 0, delete 0, find 0/0 [ 219.778689] ? enqueue_hrtimer+0x1a5/0x560 [ 219.782130] Free swap = 0kB [ 219.782145] Total swap = 0kB [ 219.785941] ? lock_release+0x970/0x970 [ 219.785957] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 219.791305] 1965979 pages RAM [ 219.795534] ? find_held_lock+0x36/0x1c0 [ 219.798528] 0 pages HighMem/MovableOnly [ 219.801630] ? graph_lock+0x170/0x170 [ 219.805596] 342744 pages reserved [ 219.810776] ? pvclock_read_flags+0x160/0x160 [ 219.813872] 0 pages cma reserved [ 219.813942] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 219.817930] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 219.817946] ? check_preemption_disabled+0x48/0x200 [ 219.817968] ? __lock_is_held+0xb5/0x140 [ 219.821972] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 219.825739] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 219.829165] syz-executor1 cpuset= [ 219.833653] ? check_preemption_disabled+0x48/0x200 [ 219.836993] / [ 219.843521] run_timer_softirq+0x52/0xb0 [ 219.849052] mems_allowed=0 [ 219.854065] ? rcu_read_lock_sched_held+0x108/0x120 [ 219.896172] __do_softirq+0x30b/0xad8 [ 219.899987] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 219.905117] ? pvclock_read_flags+0x160/0x160 [ 219.909610] ? lapic_next_event+0x5a/0x90 [ 219.913758] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 219.919307] ? check_preemption_disabled+0x48/0x200 [ 219.924327] ? check_preemption_disabled+0x48/0x200 [ 219.929367] ? kvm_clock_read+0x18/0x30 [ 219.933339] ? kvm_sched_clock_read+0x9/0x20 [ 219.937786] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 219.943331] ? check_preemption_disabled+0x48/0x200 [ 219.948359] irq_exit+0x17f/0x1c0 [ 219.951814] smp_apic_timer_interrupt+0x1cb/0x760 [ 219.956678] ? smp_reschedule_interrupt+0x109/0x650 [ 219.961715] ? smp_call_function_single_interrupt+0x650/0x650 [ 219.967600] ? interrupt_entry+0xb5/0xf0 [ 219.971663] ? trace_hardirqs_off_caller+0xbb/0x300 [ 219.976695] ? trace_hardirqs_off_caller+0xbb/0x300 [ 219.981713] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 219.986562] ? trace_hardirqs_off+0x300/0x300 [ 219.991092] ? trace_hardirqs_off+0x300/0x300 [ 219.995594] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 220.001135] ? check_preemption_disabled+0x48/0x200 [ 220.006174] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 220.011723] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 220.016575] apic_timer_interrupt+0xf/0x20 [ 220.020807] [ 220.023056] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 220.027985] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 220.046914] RSP: 0000:ffff88019f217748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 220.054625] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 220.061895] RDX: 0000000000000000 RSI: ffff88019f972d00 RDI: 0000000000000282 [ 220.069175] RBP: ffff88019f2177b0 R08: ffff88019f972480 R09: 0000000000000000 [ 220.076440] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 220.083710] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 220.091090] skb_clone+0x1bb/0x500 [ 220.094648] ? finish_task_switch+0x2f5/0x900 [ 220.099143] ? skb_split+0x11e0/0x11e0 [ 220.103043] ? preempt_notifier_register+0x200/0x200 [ 220.108148] ? __switch_to_asm+0x34/0x70 [ 220.112211] ? __switch_to_asm+0x34/0x70 [ 220.116268] ? __switch_to_asm+0x40/0x70 [ 220.120335] ? __switch_to_asm+0x34/0x70 [ 220.124393] ? __switch_to_asm+0x40/0x70 [ 220.128455] ? __switch_to_asm+0x34/0x70 [ 220.132514] ? __switch_to_asm+0x40/0x70 [ 220.136572] ? __switch_to_asm+0x34/0x70 [ 220.140636] ? __switch_to_asm+0x34/0x70 [ 220.144698] ? __switch_to_asm+0x40/0x70 [ 220.148758] ? __switch_to_asm+0x34/0x70 [ 220.152845] bpf_clone_redirect+0xb9/0x490 [ 220.157112] ? __schedule+0x874/0x1ed0 [ 220.161021] bpf_prog_a2323609a0d1adb1+0x624/0x1000 [ 220.166062] ? __sched_text_start+0x8/0x8 [ 220.170215] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 220.175020] ? find_held_lock+0x36/0x1c0 [ 220.179119] ? lock_acquire+0x1ed/0x520 [ 220.183093] ? bpf_test_run+0x32e/0x5a0 [ 220.187081] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.192621] ? check_preemption_disabled+0x48/0x200 [ 220.197647] ? kasan_check_read+0x11/0x20 [ 220.201800] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 220.207095] ? rcu_bh_qs+0xc0/0xc0 [ 220.210669] ? preempt_schedule+0x4d/0x60 [ 220.214822] ? ___preempt_schedule+0x16/0x18 [ 220.219241] ? bpf_test_run+0x1c0/0x5a0 [ 220.223231] ? netlink_diag_dump+0x2a0/0x2a0 [ 220.227648] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 220.233191] ? bpf_test_init.isra.9+0x70/0x100 [ 220.237784] ? bpf_prog_test_run_skb+0x634/0xb40 [ 220.242576] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 220.247435] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 220.252972] ? fput+0x130/0x1a0 [ 220.256552] ? __bpf_prog_get+0x9b/0x290 [ 220.260610] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 220.265453] ? bpf_prog_test_run+0x130/0x1a0 [ 220.269915] ? __x64_sys_bpf+0x3d8/0x510 [ 220.273984] ? bpf_prog_get+0x20/0x20 [ 220.277848] ? do_syscall_64+0x1b9/0x820 [ 220.281905] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 220.287267] ? syscall_return_slowpath+0x5e0/0x5e0 [ 220.292203] ? trace_hardirqs_off+0x300/0x300 [ 220.296716] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 220.301735] ? recalc_sigpending_tsk+0x180/0x180 [ 220.306493] ? kasan_check_write+0x14/0x20 [ 220.310736] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 220.315585] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 220.320964] CPU: 1 PID: 5351 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51 [ 220.321099] aoe: skb alloc failure [ 220.328149] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 220.328154] Call Trace: [ 220.328161] [ 220.328175] dump_stack+0x1c4/0x2b4 [ 220.328195] ? dump_stack_print_info.cold.2+0x52/0x52 [ 220.331745] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 220.341076] warn_alloc.cold.118+0xb7/0x1bd [ 220.343631] syz-executor0 cpuset= [ 220.345778] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 220.349379] syz0 [ 220.354564] ? lock_downgrade+0x900/0x900 [ 220.365023] mems_allowed=0 [ 220.369361] ? trace_hardirqs_off+0xb8/0x300 [ 220.391042] ? trace_hardirqs_off+0xb8/0x300 [ 220.395466] __alloc_pages_slowpath+0x2667/0x2d80 [ 220.400346] ? warn_alloc+0x120/0x120 [ 220.404155] ? warn_alloc+0x120/0x120 [ 220.407961] ? print_usage_bug+0xc0/0xc0 [ 220.412023] ? warn_alloc+0x120/0x120 [ 220.415880] ? print_usage_bug+0xc0/0xc0 [ 220.419954] ? __lock_acquire+0x7ec/0x4ec0 [ 220.424222] ? __lock_acquire+0x7ec/0x4ec0 [ 220.428461] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 220.434002] ? should_fail+0x22d/0xd01 [ 220.437901] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 220.443005] ? __lock_acquire+0x7ec/0x4ec0 [ 220.447249] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 220.452369] ? __lock_acquire+0x7ec/0x4ec0 [ 220.456603] ? should_fail+0x22d/0xd01 [ 220.460501] ? mark_held_locks+0x130/0x130 [ 220.464743] ? mark_held_locks+0x130/0x130 [ 220.468981] ? graph_lock+0x170/0x170 [ 220.472779] ? graph_lock+0x170/0x170 [ 220.476590] ? graph_lock+0x170/0x170 [ 220.480390] ? print_usage_bug+0xc0/0xc0 [ 220.484468] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.490005] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.495591] ? check_preemption_disabled+0x48/0x200 [ 220.500609] ? check_preemption_disabled+0x48/0x200 [ 220.505639] ? __lock_is_held+0xb5/0x140 [ 220.509706] __alloc_pages_nodemask+0xa80/0xde0 [ 220.514378] ? graph_lock+0x170/0x170 [ 220.518231] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 220.523242] ? graph_lock+0x170/0x170 [ 220.527067] ? find_held_lock+0x36/0x1c0 [ 220.531144] ? ____cache_alloc_node+0x1c7/0x1e0 [ 220.535835] ? lock_downgrade+0x900/0x900 [ 220.539993] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.545535] cache_grow_begin+0x91/0x8c0 [ 220.549597] ? do_raw_spin_unlock+0xa7/0x2f0 [ 220.554017] fallback_alloc+0x203/0x2e0 [ 220.558007] ____cache_alloc_node+0x1c7/0x1e0 [ 220.562519] kmem_cache_alloc_node+0xe3/0x730 [ 220.567015] ? ipv6_get_ifaddr+0x42e/0x620 [ 220.571290] __alloc_skb+0x119/0x770 [ 220.575010] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 220.580296] ? skb_scrub_packet+0x490/0x490 [ 220.584625] ? lock_downgrade+0x900/0x900 [ 220.588783] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.594331] ? refcount_sub_and_test_checked+0x203/0x310 [ 220.599786] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 220.605247] ? addrconf_rs_timer+0x6f0/0x6f0 [ 220.609673] ndisc_alloc_skb+0x144/0x340 [ 220.613740] ndisc_send_rs+0x331/0x6e0 [ 220.617634] addrconf_rs_timer+0x3c0/0x6f0 [ 220.621877] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 220.626126] call_timer_fn+0x272/0x920 [ 220.630041] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 220.634282] ? process_timeout+0x40/0x40 [ 220.638368] ? find_held_lock+0x36/0x1c0 [ 220.642439] ? __run_timers+0x7da/0xc70 [ 220.646416] ? _raw_spin_unlock_irq+0x27/0x80 [ 220.650924] ? _raw_spin_unlock_irq+0x27/0x80 [ 220.655432] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 220.659666] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 220.664250] ? trace_hardirqs_on+0xbd/0x310 [ 220.668570] ? kasan_check_read+0x11/0x20 [ 220.672716] ? __run_timers+0x7da/0xc70 [ 220.676709] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 220.682166] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 220.686411] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 220.690646] __run_timers+0x7e5/0xc70 [ 220.694458] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 220.699824] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 220.704853] ? graph_lock+0x170/0x170 [ 220.708657] ? enqueue_hrtimer+0x1a5/0x560 [ 220.712889] ? lock_release+0x970/0x970 [ 220.716864] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 220.722073] ? find_held_lock+0x36/0x1c0 [ 220.726141] ? pvclock_read_flags+0x160/0x160 [ 220.730650] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.736189] ? check_preemption_disabled+0x48/0x200 [ 220.741217] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 220.746753] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 220.752061] ? rcu_pm_notify+0xc0/0xc0 [ 220.755952] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.761490] ? check_preemption_disabled+0x48/0x200 [ 220.766512] run_timer_softirq+0x52/0xb0 [ 220.770571] ? rcu_read_lock_sched_held+0x108/0x120 [ 220.775602] __do_softirq+0x30b/0xad8 [ 220.779414] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 220.784525] ? pvclock_read_flags+0x160/0x160 [ 220.789022] ? lapic_next_event+0x5a/0x90 [ 220.793190] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.798728] ? check_preemption_disabled+0x48/0x200 [ 220.803743] ? check_preemption_disabled+0x48/0x200 [ 220.808765] ? kvm_clock_read+0x18/0x30 [ 220.812743] ? kvm_sched_clock_read+0x9/0x20 [ 220.817155] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.822692] ? check_preemption_disabled+0x48/0x200 [ 220.827720] irq_exit+0x17f/0x1c0 [ 220.831176] smp_apic_timer_interrupt+0x1cb/0x760 [ 220.836018] ? smp_reschedule_interrupt+0x109/0x650 [ 220.841056] ? smp_call_function_single_interrupt+0x650/0x650 [ 220.846957] ? interrupt_entry+0xb5/0xf0 [ 220.851018] ? trace_hardirqs_off_caller+0xbb/0x300 [ 220.856046] ? trace_hardirqs_off_caller+0xbb/0x300 [ 220.861066] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 220.865910] ? trace_hardirqs_off+0x300/0x300 [ 220.870403] ? trace_hardirqs_off+0x300/0x300 [ 220.874903] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.880440] ? check_preemption_disabled+0x48/0x200 [ 220.885458] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.891007] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 220.895880] apic_timer_interrupt+0xf/0x20 [ 220.900902] [ 220.903149] RIP: 0010:_raw_write_unlock_irq+0x56/0x80 [ 220.908346] Code: 52 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d ab aa 92 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 f0 ec 95 f9 65 8b 05 a9 6e 42 78 85 c0 74 05 5b [ 220.927266] RSP: 0018:ffff8801d8cf7350 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 220.934981] RAX: dffffc0000000000 RBX: ffffffff894090c0 RCX: 0000000000000000 [ 220.942250] RDX: 1ffffffff12a4537 RSI: 0000000000000001 RDI: ffffffff895229b8 [ 220.949517] RBP: ffff8801d8cf7358 R08: ffff8801c24ca580 R09: 0000000000000000 [ 220.956785] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d70737c0 [ 220.964064] R13: ffff8801d8cf7490 R14: 0000000000000000 R15: ffff8801c24cab00 [ 220.971370] do_exit+0x11ef/0x2610 [ 220.974917] ? mem_cgroup_commit_charge+0x275/0x9d0 [ 220.979944] ? mm_update_next_owner+0x990/0x990 [ 220.984614] ? print_usage_bug+0xc0/0xc0 [ 220.988675] ? graph_lock+0x170/0x170 [ 220.992505] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 220.998069] ? check_preemption_disabled+0x48/0x200 [ 221.003088] ? check_preemption_disabled+0x48/0x200 [ 221.008108] ? print_usage_bug+0xc0/0xc0 [ 221.012177] ? __lock_acquire+0x7ec/0x4ec0 [ 221.016419] ? __lock_acquire+0x7ec/0x4ec0 [ 221.020678] ? mark_held_locks+0x130/0x130 [ 221.024927] ? mark_held_locks+0x130/0x130 [ 221.029163] ? finish_task_switch+0x1b5/0x900 [ 221.033663] ? __switch_to_asm+0x34/0x70 [ 221.037726] ? __switch_to_asm+0x34/0x70 [ 221.041806] ? __switch_to_asm+0x34/0x70 [ 221.045867] ? __switch_to_asm+0x40/0x70 [ 221.049926] ? __switch_to_asm+0x34/0x70 [ 221.053984] ? __switch_to_asm+0x40/0x70 [ 221.058051] ? __switch_to_asm+0x34/0x70 [ 221.062113] ? __switch_to_asm+0x34/0x70 [ 221.066177] ? __switch_to_asm+0x34/0x70 [ 221.070251] ? __switch_to_asm+0x34/0x70 [ 221.074310] ? __switch_to_asm+0x40/0x70 [ 221.078370] ? __switch_to_asm+0x34/0x70 [ 221.082429] ? __switch_to_asm+0x40/0x70 [ 221.086496] ? graph_lock+0x170/0x170 [ 221.090302] ? graph_lock+0x170/0x170 [ 221.094110] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.099649] ? wait_consider_task+0x245/0x3bb0 [ 221.104235] ? memset+0x31/0x40 [ 221.107520] ? find_held_lock+0x36/0x1c0 [ 221.111591] ? get_signal+0x95b/0x1980 [ 221.115483] ? _raw_spin_unlock_irq+0x27/0x80 [ 221.119975] ? _raw_spin_unlock_irq+0x27/0x80 [ 221.124481] do_group_exit+0x177/0x440 [ 221.128666] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 221.134119] ? __ia32_sys_exit+0x50/0x50 [ 221.138199] get_signal+0x8b0/0x1980 [ 221.141927] ? ptrace_notify+0x130/0x130 [ 221.145988] ? do_wait+0x57d/0xb90 [ 221.149534] ? wait_consider_task+0x3bb0/0x3bb0 [ 221.154207] ? graph_lock+0x170/0x170 [ 221.158009] ? graph_lock+0x170/0x170 [ 221.161823] ? graph_lock+0x170/0x170 [ 221.165641] do_signal+0x9c/0x21e0 [ 221.169187] ? find_held_lock+0x36/0x1c0 [ 221.173261] ? setup_sigcontext+0x7d0/0x7d0 [ 221.177585] ? kernel_wait4+0x2e0/0x3f0 [ 221.181566] ? __ia32_sys_waitid+0x140/0x140 [ 221.185980] ? task_stopped_code+0x190/0x190 [ 221.190393] ? exit_to_usermode_loop+0x8c/0x380 [ 221.195090] ? __do_page_fault+0x4a6/0xed0 [ 221.199328] ? do_syscall_64+0x9a/0x820 [ 221.203304] ? do_syscall_64+0x9a/0x820 [ 221.207291] exit_to_usermode_loop+0x2e5/0x380 [ 221.211880] ? syscall_slow_exit_work+0x520/0x520 [ 221.216739] do_syscall_64+0x6be/0x820 [ 221.220627] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 221.225995] ? syscall_return_slowpath+0x5e0/0x5e0 [ 221.230922] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 221.235766] ? trace_hardirqs_off+0x300/0x300 [ 221.240267] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 221.245289] ? prepare_exit_to_usermode+0x291/0x3b0 [ 221.250333] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 221.255187] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 221.260375] RIP: 0033:0x410e7a [ 221.263573] Code: Bad RIP value. [ 221.266936] RSP: 002b:00007ffdfa797988 EFLAGS: 00000246 ORIG_RAX: 000000000000003d [ 221.274647] RAX: fffffffffffffe00 RBX: 00000000000014f2 RCX: 0000000000410e7a [ 221.281917] RDX: 0000000040000000 RSI: 00007ffdfa797994 RDI: ffffffffffffffff [ 221.289182] RBP: 0000000000930b28 R08: 00000000000014e7 R09: 00000000024eb940 [ 221.296449] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010 [ 221.303714] R13: 0000000000412a80 R14: 0000000000000000 R15: 0000000000000000 [ 221.311021] warn_alloc_show_mem: 1 callbacks suppressed [ 221.311041] CPU: 0 PID: 9562 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51 [ 221.311043] Mem-Info: [ 221.311073] active_anon:43308 inactive_anon:372 isolated_anon:0 [ 221.311073] active_file:9 inactive_file:26 isolated_file:0 [ 221.311073] unevictable:0 dirty:0 writeback:0 unstable:0 [ 221.311073] slab_reclaimable:8855 slab_unreclaimable:1462387 [ 221.311073] mapped:57522 shmem:379 pagetables:727 bounce:0 [ 221.311073] free:13711 free_pcp:202 free_cma:0 [ 221.316417] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 221.323610] Node 0 active_anon:173232kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 221.326009] Call Trace: [ 221.359486] Node 0 [ 221.368828] [ 221.396593] 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 [ 221.399149] dump_stack+0x1c4/0x2b4 [ 221.401361] lowmem_reserve[]: [ 221.403505] ? dump_stack_print_info.cold.2+0x52/0x52 [ 221.428974] 0 2817 [ 221.432619] warn_alloc.cold.118+0xb7/0x1bd [ 221.435689] 6321 [ 221.440869] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 221.443078] 6321 [ 221.447394] ? lock_downgrade+0x900/0x900 [ 221.449432] Node 0 [ 221.454269] ? trace_hardirqs_off+0xb8/0x300 [ 221.456373] DMA32 free:24940kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 221.460490] ? trace_hardirqs_off+0xb8/0x300 [ 221.462696] lowmem_reserve[]: 0 [ 221.467113] __alloc_pages_slowpath+0x2667/0x2d80 [ 221.493884] 0 3503 [ 221.498332] ? warn_alloc+0x120/0x120 [ 221.501555] 3503 [ 221.506389] ? __lock_acquire+0x7ec/0x4ec0 [ 221.508601] Node 0 [ 221.512392] ? warn_alloc+0x120/0x120 [ 221.514458] Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:169136kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5568kB pagetables:2908kB bounce:0kB free_pcp:808kB local_pcp:692kB free_cma:0kB [ 221.518666] ? print_usage_bug+0xc0/0xc0 [ 221.520878] lowmem_reserve[]: [ 221.524680] ? warn_alloc+0x120/0x120 [ 221.553139] 0 [ 221.557215] ? print_usage_bug+0xc0/0xc0 [ 221.560284] 0 0 [ 221.564096] ? mark_held_locks+0x130/0x130 [ 221.565865] 0 [ 221.569930] ? mark_held_locks+0x130/0x130 [ 221.571886] Node 0 [ 221.576118] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 221.577896] DMA: [ 221.582125] ? should_fail+0x22d/0xd01 [ 221.584337] 1*4kB [ 221.589864] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.591901] (U) [ 221.595783] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 221.597913] 0*8kB [ 221.603445] ? __lock_acquire+0x7ec/0x4ec0 [ 221.605399] 0*16kB [ 221.610583] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 221.612707] 1*32kB [ 221.616936] ? should_fail+0x22d/0xd01 [ 221.619151] (U) [ 221.624248] ? __sanitizer_cov_trace_const_cmp1+0x10/0x20 [ 221.626461] 2*64kB [ 221.630345] ? mark_held_locks+0x130/0x130 [ 221.632289] (U) [ 221.637825] ? mark_held_locks+0x130/0x130 [ 221.640040] 1*128kB (U) [ 221.644279] ? graph_lock+0x170/0x170 [ 221.646232] 1*256kB [ 221.650460] ? graph_lock+0x170/0x170 [ 221.653107] (U) [ 221.656903] ? print_usage_bug+0xc0/0xc0 [ 221.659197] 0*512kB 1*1024kB [ 221.663000] ? do_raw_spin_unlock+0xa7/0x2f0 [ 221.664952] (U) [ 221.669007] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.672089] 1*2048kB [ 221.676493] ? check_preemption_disabled+0x48/0x200 [ 221.678444] (M) [ 221.683974] ? check_preemption_disabled+0x48/0x200 [ 221.686378] 3*4096kB [ 221.691398] ? __lock_is_held+0xb5/0x140 [ 221.693345] (M) [ 221.698356] __alloc_pages_nodemask+0xa80/0xde0 [ 221.700742] = 15908kB [ 221.704792] ? graph_lock+0x170/0x170 [ 221.706752] Node 0 [ 221.711417] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 221.713807] DMA32: [ 221.717599] ? graph_lock+0x170/0x170 [ 221.719816] 3*4kB [ 221.724834] ? find_held_lock+0x36/0x1c0 [ 221.727047] (UM) [ 221.730848] ? ____cache_alloc_node+0x1c7/0x1e0 [ 221.732966] 2*8kB [ 221.737016] ? lock_downgrade+0x900/0x900 [ 221.739062] (U) [ 221.743727] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.745848] 5*16kB [ 221.749990] cache_grow_begin+0x91/0x8c0 [ 221.751938] (UM) [ 221.757467] ? do_raw_spin_unlock+0xa7/0x2f0 [ 221.759678] 2*32kB [ 221.763736] fallback_alloc+0x203/0x2e0 [ 221.765767] (UM) [ 221.770172] ____cache_alloc_node+0x1c7/0x1e0 [ 221.772382] 3*64kB [ 221.776353] kmem_cache_alloc_node+0xe3/0x730 [ 221.778390] (UM) [ 221.782881] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 221.785092] 4*128kB [ 221.789589] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 221.791626] (UM) [ 221.796728] __alloc_skb+0x119/0x770 [ 221.799026] 2*256kB [ 221.803626] ? calc_wheel_index+0x220/0x220 [ 221.805660] (M) [ 221.809371] ? skb_scrub_packet+0x490/0x490 [ 221.812111] 4*512kB (UM) [ 221.816457] ? vprintk_default+0x28/0x30 [ 221.818399] 3*1024kB (M) [ 221.822721] ? vprintk_func+0x85/0x181 [ 221.825455] 1*2048kB [ 221.829535] ? printk+0xa7/0xcf [ 221.832264] (U) [ 221.836153] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 221.838538] 4*4096kB [ 221.841826] new_skb+0x26/0x1c0 [ 221.843762] (M) [ 221.848514] aoecmd_cfg+0x279/0x7f0 [ 221.850896] = 24940kB [ 221.854171] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 221.856120] Node 0 [ 221.859742] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 221.862124] Normal: 667*4kB [ 221.866453] ? check_preemption_disabled+0x48/0x200 [ 221.868663] (UMEH) [ 221.874194] ? check_preemption_disabled+0x48/0x200 [ 221.877181] 358*8kB (UMEH) [ 221.882219] ? __lock_is_held+0xb5/0x140 [ 221.884421] 191*16kB [ 221.889439] discover_timer+0x50/0x60 [ 221.892341] (UMEH) [ 221.896398] call_timer_fn+0x272/0x920 [ 221.898778] 81*32kB (UMEH) [ 221.902581] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 221.904799] 30*64kB [ 221.908677] ? process_timeout+0x40/0x40 [ 221.911583] (UMH) [ 221.916416] ? find_held_lock+0x36/0x1c0 [ 221.918715] 1*128kB [ 221.922794] ? __run_timers+0x7da/0xc70 [ 221.924921] (M) [ 221.928975] ? _raw_spin_unlock_irq+0x27/0x80 [ 221.931272] 3*256kB [ 221.935242] ? _raw_spin_unlock_irq+0x27/0x80 [ 221.937192] (UH) [ 221.941682] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 221.943980] 0*512kB [ 221.948487] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 221.950526] 0*1024kB [ 221.955376] ? trace_hardirqs_on+0xbd/0x310 [ 221.957677] 0*2048kB [ 221.962252] ? kasan_check_read+0x11/0x20 [ 221.964631] 0*4096kB = 13996kB [ 221.968954] ? __run_timers+0x7da/0xc70 [ 221.971341] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 221.975470] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 221.978642] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 221.982602] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 221.991429] 414 total pagecache pages [ 221.996891] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 222.005447] 0 pages in swap cache [ 222.009667] __run_timers+0x7e5/0xc70 [ 222.013444] Swap cache stats: add 0, delete 0, find 0/0 [ 222.018286] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 222.021706] Free swap = 0kB [ 222.025507] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 222.030844] Total swap = 0kB [ 222.036198] ? graph_lock+0x170/0x170 [ 222.039193] 1965979 pages RAM [ 222.044231] ? enqueue_hrtimer+0x1a5/0x560 [ 222.047223] 0 pages HighMem/MovableOnly [ 222.051013] ? lock_release+0x970/0x970 [ 222.054097] 342744 pages reserved [ 222.058358] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 222.062309] 0 pages cma reserved [ 222.066307] ? find_held_lock+0x36/0x1c0 [ 222.069817] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 222.074911] ? graph_lock+0x170/0x170 [ 222.078351] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 222.082326] ? pvclock_read_flags+0x160/0x160 [ 222.088839] syz-executor1 cpuset= [ 222.092648] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.103117] / [ 222.107622] ? check_preemption_disabled+0x48/0x200 [ 222.111054] mems_allowed=0 [ 222.116607] ? __lock_is_held+0xb5/0x140 [ 222.130516] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.136076] ? check_preemption_disabled+0x48/0x200 [ 222.141105] run_timer_softirq+0x52/0xb0 [ 222.145171] ? rcu_read_lock_sched_held+0x108/0x120 [ 222.150191] __do_softirq+0x30b/0xad8 [ 222.154001] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 222.159112] ? pvclock_read_flags+0x160/0x160 [ 222.163624] ? lapic_next_event+0x5a/0x90 [ 222.167773] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.173314] ? check_preemption_disabled+0x48/0x200 [ 222.178327] ? check_preemption_disabled+0x48/0x200 [ 222.183349] ? kvm_clock_read+0x18/0x30 [ 222.187330] ? kvm_sched_clock_read+0x9/0x20 [ 222.191738] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.197277] ? check_preemption_disabled+0x48/0x200 [ 222.202320] irq_exit+0x17f/0x1c0 [ 222.205779] smp_apic_timer_interrupt+0x1cb/0x760 [ 222.210625] ? smp_reschedule_interrupt+0x109/0x650 [ 222.215644] ? smp_call_function_single_interrupt+0x650/0x650 [ 222.221544] ? interrupt_entry+0xb5/0xf0 [ 222.225609] ? trace_hardirqs_off_caller+0xbb/0x300 [ 222.230639] ? trace_hardirqs_off_caller+0xbb/0x300 [ 222.235656] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 222.240498] ? trace_hardirqs_off+0x300/0x300 [ 222.244988] ? trace_hardirqs_off+0x300/0x300 [ 222.249485] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 222.255024] ? check_preemption_disabled+0x48/0x200 [ 222.260318] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 222.265894] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 222.270775] apic_timer_interrupt+0xf/0x20 [ 222.274999] [ 222.277257] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 222.282187] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 222.301084] RSP: 0000:ffff88019f217748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 222.308792] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 222.316059] RDX: 0000000000000000 RSI: ffff88019f972d00 RDI: 0000000000000282 [ 222.323324] RBP: ffff88019f2177b0 R08: ffff88019f972480 R09: 0000000000000000 [ 222.330591] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 222.337860] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 222.345194] skb_clone+0x1bb/0x500 [ 222.348741] ? finish_task_switch+0x2f5/0x900 [ 222.353253] ? skb_split+0x11e0/0x11e0 [ 222.357142] ? preempt_notifier_register+0x200/0x200 [ 222.362246] ? __switch_to_asm+0x34/0x70 [ 222.366329] ? __switch_to_asm+0x34/0x70 [ 222.370386] ? __switch_to_asm+0x40/0x70 [ 222.374446] ? __switch_to_asm+0x34/0x70 [ 222.378504] ? __switch_to_asm+0x40/0x70 [ 222.382576] ? __switch_to_asm+0x34/0x70 [ 222.386649] ? __switch_to_asm+0x40/0x70 [ 222.390722] ? __switch_to_asm+0x34/0x70 [ 222.394856] ? __switch_to_asm+0x34/0x70 [ 222.398911] ? __switch_to_asm+0x40/0x70 [ 222.402969] ? __switch_to_asm+0x34/0x70 [ 222.407049] bpf_clone_redirect+0xb9/0x490 [ 222.411342] ? __schedule+0x874/0x1ed0 [ 222.415238] bpf_prog_a2323609a0d1adb1+0x624/0x1000 [ 222.420278] ? __sched_text_start+0x8/0x8 [ 222.424434] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 222.429206] ? find_held_lock+0x36/0x1c0 [ 222.433280] ? lock_acquire+0x1ed/0x520 [ 222.437261] ? bpf_test_run+0x32e/0x5a0 [ 222.441240] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.446779] ? check_preemption_disabled+0x48/0x200 [ 222.451802] ? kasan_check_read+0x11/0x20 [ 222.455984] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 222.461266] ? rcu_bh_qs+0xc0/0xc0 [ 222.464809] ? preempt_schedule+0x4d/0x60 [ 222.468960] ? ___preempt_schedule+0x16/0x18 [ 222.473378] ? bpf_test_run+0x1c0/0x5a0 [ 222.477366] ? netlink_diag_dump+0x2a0/0x2a0 [ 222.481782] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 222.487322] ? bpf_test_init.isra.9+0x70/0x100 [ 222.491911] ? bpf_prog_test_run_skb+0x634/0xb40 [ 222.496673] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 222.501512] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 222.507051] ? fput+0x130/0x1a0 [ 222.510338] ? __bpf_prog_get+0x9b/0x290 [ 222.514400] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 222.519352] ? bpf_prog_test_run+0x130/0x1a0 [ 222.523767] ? __x64_sys_bpf+0x3d8/0x510 [ 222.527833] ? bpf_prog_get+0x20/0x20 [ 222.531659] ? do_syscall_64+0x1b9/0x820 [ 222.535718] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 222.541085] ? syscall_return_slowpath+0x5e0/0x5e0 [ 222.546018] ? trace_hardirqs_off+0x300/0x300 [ 222.550525] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 222.555549] ? recalc_sigpending_tsk+0x180/0x180 [ 222.560314] ? kasan_check_write+0x14/0x20 [ 222.564555] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 222.569405] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 222.574811] CPU: 1 PID: 5351 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51 [ 222.574876] aoe: skb alloc failure [ 222.582001] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 222.582006] Call Trace: [ 222.582012] [ 222.582028] dump_stack+0x1c4/0x2b4 [ 222.582053] ? dump_stack_print_info.cold.2+0x52/0x52 [ 222.585603] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 222.594931] warn_alloc.cold.118+0xb7/0x1bd [ 222.597500] syz-executor0 cpuset= [ 222.599657] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 222.603272] syz0 [ 222.608455] ? lock_downgrade+0x900/0x900 [ 222.618919] mems_allowed=0 [ 222.623235] ? trace_hardirqs_off+0xb8/0x300 [ 222.644882] ? trace_hardirqs_off+0xb8/0x300 [ 222.649313] __alloc_pages_slowpath+0x2667/0x2d80 [ 222.654181] ? warn_alloc+0x120/0x120 [ 222.657983] ? trace_hardirqs_on+0x310/0x310 [ 222.662394] ? warn_alloc+0x120/0x120 [ 222.666210] ? print_usage_bug+0xc0/0xc0 [ 222.670310] ? warn_alloc+0x120/0x120 [ 222.674111] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 222.679123] ? print_usage_bug+0xc0/0xc0 [ 222.683187] ? __lock_acquire+0x7ec/0x4ec0 [ 222.687420] ? __lock_acquire+0x7ec/0x4ec0 [ 222.691656] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 222.697196] ? should_fail+0x22d/0xd01 [ 222.701091] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 222.706194] ? __lock_acquire+0x7ec/0x4ec0 [ 222.710450] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 222.715554] ? __lock_acquire+0x7ec/0x4ec0 [ 222.719787] ? should_fail+0x22d/0xd01 [ 222.723681] ? print_usage_bug+0xc0/0xc0 [ 222.727755] ? mark_held_locks+0x130/0x130 [ 222.731996] ? mark_held_locks+0x130/0x130 [ 222.736240] ? graph_lock+0x170/0x170 [ 222.740047] ? print_usage_bug+0xc0/0xc0 [ 222.744104] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 222.748888] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.754426] ? check_preemption_disabled+0x48/0x200 [ 222.759454] ? check_preemption_disabled+0x48/0x200 [ 222.764481] ? __lock_is_held+0xb5/0x140 [ 222.768550] __alloc_pages_nodemask+0xa80/0xde0 [ 222.773262] ? graph_lock+0x170/0x170 [ 222.777096] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 222.782122] ? graph_lock+0x170/0x170 [ 222.785979] ? find_held_lock+0x36/0x1c0 [ 222.790077] ? ____cache_alloc_node+0x1c7/0x1e0 [ 222.794753] ? lock_downgrade+0x900/0x900 [ 222.798922] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.804466] cache_grow_begin+0x91/0x8c0 [ 222.808533] ? do_raw_spin_unlock+0xa7/0x2f0 [ 222.812954] fallback_alloc+0x203/0x2e0 [ 222.816939] ____cache_alloc_node+0x1c7/0x1e0 [ 222.821447] kmem_cache_alloc_node+0xe3/0x730 [ 222.825960] ? ipv6_get_ifaddr+0x42e/0x620 [ 222.830207] __alloc_skb+0x119/0x770 [ 222.833923] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 222.839219] ? skb_scrub_packet+0x490/0x490 [ 222.843538] ? lock_downgrade+0x900/0x900 [ 222.847717] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.853256] ? refcount_sub_and_test_checked+0x203/0x310 [ 222.858711] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 222.864179] ? addrconf_rs_timer+0x6f0/0x6f0 [ 222.868604] ndisc_alloc_skb+0x144/0x340 [ 222.872674] ndisc_send_rs+0x331/0x6e0 [ 222.876567] addrconf_rs_timer+0x3c0/0x6f0 [ 222.880817] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 222.885087] call_timer_fn+0x272/0x920 [ 222.888976] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 222.893214] ? process_timeout+0x40/0x40 [ 222.897273] ? find_held_lock+0x36/0x1c0 [ 222.901345] ? __run_timers+0x7da/0xc70 [ 222.905324] ? _raw_spin_unlock_irq+0x27/0x80 [ 222.909821] ? _raw_spin_unlock_irq+0x27/0x80 [ 222.914318] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 222.918587] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 222.923172] ? trace_hardirqs_on+0xbd/0x310 [ 222.927495] ? kasan_check_read+0x11/0x20 [ 222.931649] ? __run_timers+0x7da/0xc70 [ 222.935624] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 222.941095] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 222.945367] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 222.949601] __run_timers+0x7e5/0xc70 [ 222.953424] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 222.958797] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 222.963817] ? graph_lock+0x170/0x170 [ 222.967622] ? enqueue_hrtimer+0x1a5/0x560 [ 222.971855] ? lock_release+0x970/0x970 [ 222.975831] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 222.981040] ? find_held_lock+0x36/0x1c0 [ 222.985126] ? pvclock_read_flags+0x160/0x160 [ 222.989671] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 222.995289] ? check_preemption_disabled+0x48/0x200 [ 223.000333] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 223.005887] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 223.011168] ? rcu_pm_notify+0xc0/0xc0 [ 223.015067] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.020635] ? check_preemption_disabled+0x48/0x200 [ 223.025662] run_timer_softirq+0x52/0xb0 [ 223.029724] ? rcu_read_lock_sched_held+0x108/0x120 [ 223.034760] __do_softirq+0x30b/0xad8 [ 223.038609] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 223.043747] ? pvclock_read_flags+0x160/0x160 [ 223.048240] ? lapic_next_event+0x5a/0x90 [ 223.052391] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.057927] ? check_preemption_disabled+0x48/0x200 [ 223.062942] ? check_preemption_disabled+0x48/0x200 [ 223.067965] ? kvm_clock_read+0x18/0x30 [ 223.071948] ? kvm_sched_clock_read+0x9/0x20 [ 223.076357] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.081893] ? check_preemption_disabled+0x48/0x200 [ 223.086921] irq_exit+0x17f/0x1c0 [ 223.090380] smp_apic_timer_interrupt+0x1cb/0x760 [ 223.095225] ? smp_reschedule_interrupt+0x109/0x650 [ 223.100247] ? smp_call_function_single_interrupt+0x650/0x650 [ 223.106131] ? interrupt_entry+0xb5/0xf0 [ 223.110193] ? trace_hardirqs_off_caller+0xbb/0x300 [ 223.115211] ? trace_hardirqs_off_caller+0xbb/0x300 [ 223.120232] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 223.125339] ? trace_hardirqs_off+0x300/0x300 [ 223.129850] ? trace_hardirqs_off+0x300/0x300 [ 223.134397] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.139934] ? check_preemption_disabled+0x48/0x200 [ 223.144950] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.150524] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 223.155382] apic_timer_interrupt+0xf/0x20 [ 223.159610] [ 223.161862] RIP: 0010:_raw_write_unlock_irq+0x56/0x80 [ 223.167071] Code: 52 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d ab aa 92 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 f0 ec 95 f9 65 8b 05 a9 6e 42 78 85 c0 74 05 5b [ 223.185973] RSP: 0018:ffff8801d8cf7350 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 223.193683] RAX: dffffc0000000000 RBX: ffffffff894090c0 RCX: 0000000000000000 [ 223.200956] RDX: 1ffffffff12a4537 RSI: 0000000000000001 RDI: ffffffff895229b8 [ 223.208222] RBP: ffff8801d8cf7358 R08: ffff8801c24ca580 R09: 0000000000000000 [ 223.215487] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d70737c0 [ 223.222767] R13: ffff8801d8cf7490 R14: 0000000000000000 R15: ffff8801c24cab00 [ 223.230072] do_exit+0x11ef/0x2610 [ 223.233617] ? mem_cgroup_commit_charge+0x275/0x9d0 [ 223.238644] ? mm_update_next_owner+0x990/0x990 [ 223.243314] ? print_usage_bug+0xc0/0xc0 [ 223.247376] ? graph_lock+0x170/0x170 [ 223.251178] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.256746] ? check_preemption_disabled+0x48/0x200 [ 223.261760] ? check_preemption_disabled+0x48/0x200 [ 223.266846] ? print_usage_bug+0xc0/0xc0 [ 223.270959] ? __lock_acquire+0x7ec/0x4ec0 [ 223.275218] ? __lock_acquire+0x7ec/0x4ec0 [ 223.279474] ? mark_held_locks+0x130/0x130 [ 223.283718] ? mark_held_locks+0x130/0x130 [ 223.287977] ? finish_task_switch+0x1b5/0x900 [ 223.292471] ? __switch_to_asm+0x34/0x70 [ 223.296538] ? __switch_to_asm+0x34/0x70 [ 223.300600] ? __switch_to_asm+0x34/0x70 [ 223.304657] ? __switch_to_asm+0x40/0x70 [ 223.308716] ? __switch_to_asm+0x34/0x70 [ 223.312777] ? __switch_to_asm+0x40/0x70 [ 223.316868] ? __switch_to_asm+0x34/0x70 [ 223.320956] ? __switch_to_asm+0x34/0x70 [ 223.325039] ? __switch_to_asm+0x34/0x70 [ 223.329104] ? __switch_to_asm+0x34/0x70 [ 223.333165] ? __switch_to_asm+0x40/0x70 [ 223.337224] ? __switch_to_asm+0x34/0x70 [ 223.341282] ? __switch_to_asm+0x40/0x70 [ 223.345356] ? graph_lock+0x170/0x170 [ 223.349164] ? graph_lock+0x170/0x170 [ 223.352970] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.358512] ? wait_consider_task+0x245/0x3bb0 [ 223.363096] ? memset+0x31/0x40 [ 223.366412] ? find_held_lock+0x36/0x1c0 [ 223.370483] ? get_signal+0x95b/0x1980 [ 223.374373] ? _raw_spin_unlock_irq+0x27/0x80 [ 223.378866] ? _raw_spin_unlock_irq+0x27/0x80 [ 223.383372] do_group_exit+0x177/0x440 [ 223.387266] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 223.392723] ? __ia32_sys_exit+0x50/0x50 [ 223.396808] get_signal+0x8b0/0x1980 [ 223.400535] ? ptrace_notify+0x130/0x130 [ 223.404594] ? do_wait+0x57d/0xb90 [ 223.408142] ? wait_consider_task+0x3bb0/0x3bb0 [ 223.412814] ? graph_lock+0x170/0x170 [ 223.416614] ? graph_lock+0x170/0x170 [ 223.420416] ? graph_lock+0x170/0x170 [ 223.424237] do_signal+0x9c/0x21e0 [ 223.427779] ? find_held_lock+0x36/0x1c0 [ 223.431857] ? setup_sigcontext+0x7d0/0x7d0 [ 223.436177] ? kernel_wait4+0x2e0/0x3f0 [ 223.440168] ? __ia32_sys_waitid+0x140/0x140 [ 223.444599] ? task_stopped_code+0x190/0x190 [ 223.449039] ? exit_to_usermode_loop+0x8c/0x380 [ 223.453730] ? __do_page_fault+0x4a6/0xed0 [ 223.457968] ? do_syscall_64+0x9a/0x820 [ 223.461946] ? do_syscall_64+0x9a/0x820 [ 223.465931] exit_to_usermode_loop+0x2e5/0x380 [ 223.470521] ? syscall_slow_exit_work+0x520/0x520 [ 223.475376] do_syscall_64+0x6be/0x820 [ 223.479264] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 223.484634] ? syscall_return_slowpath+0x5e0/0x5e0 [ 223.489562] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 223.494405] ? trace_hardirqs_off+0x300/0x300 [ 223.498930] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 223.503981] ? prepare_exit_to_usermode+0x291/0x3b0 [ 223.509003] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 223.513886] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 223.519118] RIP: 0033:0x410e7a [ 223.522318] Code: Bad RIP value. [ 223.525679] RSP: 002b:00007ffdfa797988 EFLAGS: 00000246 ORIG_RAX: 000000000000003d [ 223.533387] RAX: fffffffffffffe00 RBX: 00000000000014f2 RCX: 0000000000410e7a [ 223.540657] RDX: 0000000040000000 RSI: 00007ffdfa797994 RDI: ffffffffffffffff [ 223.547922] RBP: 0000000000930b28 R08: 00000000000014e7 R09: 00000000024eb940 [ 223.555185] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010 [ 223.562454] R13: 0000000000412a80 R14: 0000000000000000 R15: 0000000000000000 [ 223.569787] warn_alloc_show_mem: 1 callbacks suppressed [ 223.569799] CPU: 0 PID: 9562 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51 [ 223.569801] Mem-Info: [ 223.569845] active_anon:43308 inactive_anon:372 isolated_anon:0 [ 223.569845] active_file:9 inactive_file:26 isolated_file:0 [ 223.569845] unevictable:0 dirty:0 writeback:0 unstable:0 [ 223.569845] slab_reclaimable:8855 slab_unreclaimable:1462387 [ 223.569845] mapped:57522 shmem:379 pagetables:727 bounce:0 [ 223.569845] free:13711 free_pcp:202 free_cma:0 [ 223.575220] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 223.582411] Node 0 active_anon:173232kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 223.584845] Call Trace: [ 223.617620] Node 0 [ 223.626968] [ 223.654764] 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 [ 223.657326] dump_stack+0x1c4/0x2b4 [ 223.659533] lowmem_reserve[]: [ 223.661678] ? dump_stack_print_info.cold.2+0x52/0x52 [ 223.687244] 0 [ 223.690875] warn_alloc.cold.118+0xb7/0x1bd [ 223.693958] 2817 [ 223.699141] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 223.700918] 6321 [ 223.705231] ? lock_downgrade+0x900/0x900 [ 223.707268] 6321 [ 223.712106] ? trace_hardirqs_off+0xb8/0x300 [ 223.718278] ? trace_hardirqs_off+0xb8/0x300 [ 223.720315] Node 0 [ 223.724717] __alloc_pages_slowpath+0x2667/0x2d80 [ 223.729120] DMA32 free:24940kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 223.731377] ? warn_alloc+0x120/0x120 [ 223.736167] lowmem_reserve[]: [ 223.762983] ? __lock_acquire+0x7ec/0x4ec0 [ 223.766757] 0 [ 223.769857] ? warn_alloc+0x120/0x120 [ 223.774067] 0 [ 223.775892] ? print_usage_bug+0xc0/0xc0 [ 223.779669] 3503 [ 223.781468] ? warn_alloc+0x120/0x120 [ 223.785499] 3503 [ 223.785512] Node 0 [ 223.787608] ? print_usage_bug+0xc0/0xc0 [ 223.791408] Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:169136kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5568kB pagetables:2908kB bounce:0kB free_pcp:808kB local_pcp:692kB free_cma:0kB [ 223.793450] ? mark_held_locks+0x130/0x130 [ 223.795658] lowmem_reserve[]: [ 223.799716] ? mark_held_locks+0x130/0x130 [ 223.828145] 0 0 [ 223.832392] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 223.835468] 0 [ 223.839699] ? should_fail+0x22d/0xd01 [ 223.841646] 0 [ 223.847175] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.852860] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 223.854641] Node 0 [ 223.860174] ? __lock_acquire+0x7ec/0x4ec0 [ 223.865245] DMA: 1*4kB [ 223.867487] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 223.871694] (U) [ 223.874270] ? should_fail+0x22d/0xd01 [ 223.879349] 0*8kB [ 223.881320] ? __sanitizer_cov_trace_const_cmp1+0x10/0x20 [ 223.885178] 0*16kB 1*32kB [ 223.887337] ? mark_held_locks+0x130/0x130 [ 223.892853] (U) [ 223.895707] ? mark_held_locks+0x130/0x130 [ 223.899923] 2*64kB (U) [ 223.901903] ? graph_lock+0x170/0x170 [ 223.906111] 1*128kB [ 223.908707] ? graph_lock+0x170/0x170 [ 223.912481] (U) [ 223.914799] ? print_usage_bug+0xc0/0xc0 [ 223.918579] 1*256kB [ 223.920569] ? do_raw_spin_unlock+0xa7/0x2f0 [ 223.924601] (U) [ 223.926919] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 223.931305] 0*512kB [ 223.933280] ? check_preemption_disabled+0x48/0x200 [ 223.938788] 1*1024kB [ 223.941106] ? check_preemption_disabled+0x48/0x200 [ 223.946092] (U) [ 223.948502] ? __lock_is_held+0xb5/0x140 [ 223.953502] 1*2048kB [ 223.955490] __alloc_pages_nodemask+0xa80/0xde0 [ 223.959521] (M) 3*4096kB [ 223.961936] ? graph_lock+0x170/0x170 [ 223.966582] (M) [ 223.969337] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 223.973822] = 15908kB [ 223.975805] ? graph_lock+0x170/0x170 [ 223.980816] Node 0 [ 223.983228] ? find_held_lock+0x36/0x1c0 [ 223.986994] DMA32: [ 223.989231] ? ____cache_alloc_node+0x1c7/0x1e0 [ 223.993274] 3*4kB [ 223.995520] ? lock_downgrade+0x900/0x900 [ 224.000161] (UM) [ 224.002313] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.006425] 2*8kB [ 224.008481] cache_grow_begin+0x91/0x8c0 [ 224.014014] (U) 5*16kB [ 224.016178] ? do_raw_spin_unlock+0xa7/0x2f0 [ 224.020208] (UM) [ 224.022804] fallback_alloc+0x203/0x2e0 [ 224.027186] 2*32kB [ 224.029244] ____cache_alloc_node+0x1c7/0x1e0 [ 224.033184] (UM) 3*64kB [ 224.035431] kmem_cache_alloc_node+0xe3/0x730 [ 224.039898] (UM) [ 224.042565] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 224.047054] 4*128kB [ 224.049111] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 224.054188] (UM) [ 224.056510] __alloc_skb+0x119/0x770 [ 224.061064] 2*256kB [ 224.063122] ? calc_wheel_index+0x220/0x220 [ 224.066809] (M) [ 224.069126] ? skb_scrub_packet+0x490/0x490 [ 224.073421] 4*512kB [ 224.075398] ? vprintk_default+0x28/0x30 [ 224.079687] (UM) [ 224.081999] ? vprintk_func+0x85/0x181 [ 224.086043] 3*1024kB [ 224.088099] ? printk+0xa7/0xcf [ 224.091960] (M) [ 224.094364] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 224.097617] 1*2048kB [ 224.099593] new_skb+0x26/0x1c0 [ 224.104317] (U) [ 224.106718] aoecmd_cfg+0x279/0x7f0 [ 224.109987] 4*4096kB [ 224.112006] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 224.115600] (M) [ 224.118005] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.122305] = 24940kB [ 224.124275] ? check_preemption_disabled+0x48/0x200 [ 224.129785] Node 0 [ 224.132195] ? check_preemption_disabled+0x48/0x200 [ 224.137184] Normal: [ 224.139425] ? __lock_is_held+0xb5/0x140 [ 224.144407] 667*4kB [ 224.146732] discover_timer+0x50/0x60 [ 224.150763] (UMEH) [ 224.153082] call_timer_fn+0x272/0x920 [ 224.156857] 358*8kB [ 224.159130] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 224.162994] (UMEH) [ 224.165319] ? process_timeout+0x40/0x40 [ 224.170131] 191*16kB (UMEH) [ 224.172371] ? find_held_lock+0x36/0x1c0 [ 224.176410] 81*32kB [ 224.179426] ? __run_timers+0x7da/0xc70 [ 224.183455] (UMEH) [ 224.185776] ? _raw_spin_unlock_irq+0x27/0x80 [ 224.189724] 30*64kB [ 224.191952] ? _raw_spin_unlock_irq+0x27/0x80 [ 224.196419] (UMH) [ 224.198736] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 224.203200] 1*128kB (M) [ 224.205358] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 224.210167] 3*256kB (UH) [ 224.212840] ? trace_hardirqs_on+0xbd/0x310 [ 224.217393] 0*512kB [ 224.220174] ? kasan_check_read+0x11/0x20 [ 224.224468] 0*1024kB [ 224.226785] ? __run_timers+0x7da/0xc70 [ 224.230910] 0*2048kB [ 224.233328] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 224.237278] 0*4096kB [ 224.239719] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 224.245155] = 13996kB [ 224.247561] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 224.251823] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 224.254238] __run_timers+0x7e5/0xc70 [ 224.259565] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 224.259575] 414 total pagecache pages [ 224.268420] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 224.272194] 0 pages in swap cache [ 224.280764] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 224.284539] Swap cache stats: add 0, delete 0, find 0/0 [ 224.289890] ? graph_lock+0x170/0x170 [ 224.293318] Free swap = 0kB [ 224.298328] ? enqueue_hrtimer+0x1a5/0x560 [ 224.303666] Total swap = 0kB [ 224.307472] ? lock_release+0x970/0x970 [ 224.310468] 1965979 pages RAM [ 224.314694] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 224.317715] 0 pages HighMem/MovableOnly [ 224.321685] ? find_held_lock+0x36/0x1c0 [ 224.324767] 342744 pages reserved [ 224.329965] ? graph_lock+0x170/0x170 [ 224.333914] 0 pages cma reserved [ 224.337980] ? pvclock_read_flags+0x160/0x160 [ 224.341465] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 224.345198] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.348624] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 224.353041] ? check_preemption_disabled+0x48/0x200 [ 224.359505] syz-executor1 cpuset= [ 224.365078] ? __lock_is_held+0xb5/0x140 [ 224.375528] / [ 224.380539] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.383970] mems_allowed=0 [ 224.388023] ? check_preemption_disabled+0x48/0x200 [ 224.403170] run_timer_softirq+0x52/0xb0 [ 224.407235] ? rcu_read_lock_sched_held+0x108/0x120 [ 224.412255] __do_softirq+0x30b/0xad8 [ 224.416078] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 224.421187] ? pvclock_read_flags+0x160/0x160 [ 224.425685] ? lapic_next_event+0x5a/0x90 [ 224.429837] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.435378] ? check_preemption_disabled+0x48/0x200 [ 224.440395] ? check_preemption_disabled+0x48/0x200 [ 224.445420] ? kvm_clock_read+0x18/0x30 [ 224.449394] ? kvm_sched_clock_read+0x9/0x20 [ 224.453809] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.459348] ? check_preemption_disabled+0x48/0x200 [ 224.464378] irq_exit+0x17f/0x1c0 [ 224.467835] smp_apic_timer_interrupt+0x1cb/0x760 [ 224.472676] ? smp_reschedule_interrupt+0x109/0x650 [ 224.477695] ? smp_call_function_single_interrupt+0x650/0x650 [ 224.483580] ? interrupt_entry+0xb5/0xf0 [ 224.487646] ? trace_hardirqs_off_caller+0xbb/0x300 [ 224.492664] ? trace_hardirqs_off_caller+0xbb/0x300 [ 224.497683] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 224.502526] ? trace_hardirqs_off+0x300/0x300 [ 224.507021] ? trace_hardirqs_off+0x300/0x300 [ 224.511525] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 224.517073] ? check_preemption_disabled+0x48/0x200 [ 224.522090] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 224.527637] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 224.532488] apic_timer_interrupt+0xf/0x20 [ 224.536717] [ 224.538959] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 224.543924] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 224.562941] RSP: 0000:ffff88019f217748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 224.570679] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 224.577961] RDX: 0000000000000000 RSI: ffff88019f972d00 RDI: 0000000000000282 [ 224.585231] RBP: ffff88019f2177b0 R08: ffff88019f972480 R09: 0000000000000000 [ 224.592494] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 224.599763] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 224.607097] skb_clone+0x1bb/0x500 [ 224.610641] ? finish_task_switch+0x2f5/0x900 [ 224.615138] ? skb_split+0x11e0/0x11e0 [ 224.619053] ? preempt_notifier_register+0x200/0x200 [ 224.624176] ? __switch_to_asm+0x34/0x70 [ 224.628241] ? __switch_to_asm+0x34/0x70 [ 224.632309] ? __switch_to_asm+0x40/0x70 [ 224.636368] ? __switch_to_asm+0x34/0x70 [ 224.640428] ? __switch_to_asm+0x40/0x70 [ 224.644487] ? __switch_to_asm+0x34/0x70 [ 224.648544] ? __switch_to_asm+0x40/0x70 [ 224.652602] ? __switch_to_asm+0x34/0x70 [ 224.656660] ? __switch_to_asm+0x34/0x70 [ 224.660720] ? __switch_to_asm+0x40/0x70 [ 224.664779] ? __switch_to_asm+0x34/0x70 [ 224.668867] bpf_clone_redirect+0xb9/0x490 [ 224.673106] ? __schedule+0x874/0x1ed0 [ 224.676999] bpf_prog_a2323609a0d1adb1+0x624/0x1000 [ 224.682025] ? __sched_text_start+0x8/0x8 [ 224.686181] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 224.690952] ? find_held_lock+0x36/0x1c0 [ 224.695024] ? lock_acquire+0x1ed/0x520 [ 224.699010] ? bpf_test_run+0x32e/0x5a0 [ 224.702997] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 224.708537] ? check_preemption_disabled+0x48/0x200 [ 224.713561] ? kasan_check_read+0x11/0x20 [ 224.717711] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 224.722990] ? rcu_bh_qs+0xc0/0xc0 [ 224.726533] ? preempt_schedule+0x4d/0x60 [ 224.730685] ? ___preempt_schedule+0x16/0x18 [ 224.735101] ? bpf_test_run+0x1c0/0x5a0 [ 224.739085] ? netlink_diag_dump+0x2a0/0x2a0 [ 224.743497] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 224.749058] ? bpf_test_init.isra.9+0x70/0x100 [ 224.753644] ? bpf_prog_test_run_skb+0x634/0xb40 [ 224.758408] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 224.763251] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 224.768802] ? fput+0x130/0x1a0 [ 224.772082] ? __bpf_prog_get+0x9b/0x290 [ 224.776145] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 224.780986] ? bpf_prog_test_run+0x130/0x1a0 [ 224.785444] ? __x64_sys_bpf+0x3d8/0x510 [ 224.789545] ? bpf_prog_get+0x20/0x20 [ 224.793391] ? do_syscall_64+0x1b9/0x820 [ 224.797457] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 224.802827] ? syscall_return_slowpath+0x5e0/0x5e0 [ 224.807758] ? trace_hardirqs_off+0x300/0x300 [ 224.812257] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 224.817275] ? recalc_sigpending_tsk+0x180/0x180 [ 224.822051] ? kasan_check_write+0x14/0x20 [ 224.826303] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 224.831160] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 224.836545] CPU: 1 PID: 5351 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51 [ 224.836611] aoe: skb alloc failure [ 224.843734] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 224.843739] Call Trace: [ 224.843746] [ 224.843761] dump_stack+0x1c4/0x2b4 [ 224.843783] ? dump_stack_print_info.cold.2+0x52/0x52 [ 224.847370] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 224.856669] warn_alloc.cold.118+0xb7/0x1bd [ 224.859228] syz-executor0 cpuset= [ 224.861371] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 224.864969] syz0 [ 224.870152] ? lock_downgrade+0x900/0x900 [ 224.880613] mems_allowed=0 [ 224.884945] ? trace_hardirqs_off+0xb8/0x300 [ 224.906611] ? trace_hardirqs_off+0xb8/0x300 [ 224.911041] __alloc_pages_slowpath+0x2667/0x2d80 [ 224.915920] ? warn_alloc+0x120/0x120 [ 224.919730] ? trace_hardirqs_on+0x310/0x310 [ 224.924139] ? warn_alloc+0x120/0x120 [ 224.927944] ? print_usage_bug+0xc0/0xc0 [ 224.932019] ? warn_alloc+0x120/0x120 [ 224.935829] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 224.940845] ? print_usage_bug+0xc0/0xc0 [ 224.944911] ? __lock_acquire+0x7ec/0x4ec0 [ 224.949147] ? __lock_acquire+0x7ec/0x4ec0 [ 224.953386] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 224.958923] ? should_fail+0x22d/0xd01 [ 224.962839] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 224.967971] ? __lock_acquire+0x7ec/0x4ec0 [ 224.972213] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 224.977313] ? __lock_acquire+0x7ec/0x4ec0 [ 224.981548] ? should_fail+0x22d/0xd01 [ 224.985432] ? print_usage_bug+0xc0/0xc0 [ 224.989508] ? mark_held_locks+0x130/0x130 [ 224.993761] ? mark_held_locks+0x130/0x130 [ 224.998010] ? graph_lock+0x170/0x170 [ 225.001866] ? print_usage_bug+0xc0/0xc0 [ 225.005941] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 225.010712] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.016251] ? check_preemption_disabled+0x48/0x200 [ 225.021270] ? check_preemption_disabled+0x48/0x200 [ 225.026297] ? __lock_is_held+0xb5/0x140 [ 225.030371] __alloc_pages_nodemask+0xa80/0xde0 [ 225.035048] ? graph_lock+0x170/0x170 [ 225.038857] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 225.043873] ? graph_lock+0x170/0x170 [ 225.047684] ? find_held_lock+0x36/0x1c0 [ 225.051766] ? ____cache_alloc_node+0x1c7/0x1e0 [ 225.056454] ? lock_downgrade+0x900/0x900 [ 225.060609] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.066154] cache_grow_begin+0x91/0x8c0 [ 225.070223] ? do_raw_spin_unlock+0xa7/0x2f0 [ 225.074639] fallback_alloc+0x203/0x2e0 [ 225.078621] ____cache_alloc_node+0x1c7/0x1e0 [ 225.083124] kmem_cache_alloc_node+0xe3/0x730 [ 225.087625] ? ipv6_get_ifaddr+0x42e/0x620 [ 225.091872] __alloc_skb+0x119/0x770 [ 225.095588] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 225.100869] ? skb_scrub_packet+0x490/0x490 [ 225.105192] ? lock_downgrade+0x900/0x900 [ 225.109350] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.114908] ? refcount_sub_and_test_checked+0x203/0x310 [ 225.120363] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 225.126119] ? addrconf_rs_timer+0x6f0/0x6f0 [ 225.130543] ndisc_alloc_skb+0x144/0x340 [ 225.134610] ndisc_send_rs+0x331/0x6e0 [ 225.138591] addrconf_rs_timer+0x3c0/0x6f0 [ 225.142833] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 225.147090] call_timer_fn+0x272/0x920 [ 225.150993] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 225.155229] ? process_timeout+0x40/0x40 [ 225.159291] ? find_held_lock+0x36/0x1c0 [ 225.163363] ? __run_timers+0x7da/0xc70 [ 225.167361] ? _raw_spin_unlock_irq+0x27/0x80 [ 225.171860] ? _raw_spin_unlock_irq+0x27/0x80 [ 225.176351] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 225.180584] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 225.185180] ? trace_hardirqs_on+0xbd/0x310 [ 225.189506] ? kasan_check_read+0x11/0x20 [ 225.193670] ? __run_timers+0x7da/0xc70 [ 225.197659] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 225.203115] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 225.207375] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 225.211613] __run_timers+0x7e5/0xc70 [ 225.215429] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 225.220800] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 225.225817] ? graph_lock+0x170/0x170 [ 225.229637] ? enqueue_hrtimer+0x1a5/0x560 [ 225.233868] ? lock_release+0x970/0x970 [ 225.237860] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 225.243074] ? find_held_lock+0x36/0x1c0 [ 225.247147] ? pvclock_read_flags+0x160/0x160 [ 225.251645] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.257182] ? check_preemption_disabled+0x48/0x200 [ 225.262212] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 225.267748] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 225.273018] ? rcu_pm_notify+0xc0/0xc0 [ 225.276908] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.282451] ? check_preemption_disabled+0x48/0x200 [ 225.287475] run_timer_softirq+0x52/0xb0 [ 225.291536] ? rcu_read_lock_sched_held+0x108/0x120 [ 225.296559] __do_softirq+0x30b/0xad8 [ 225.300372] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 225.305481] ? pvclock_read_flags+0x160/0x160 [ 225.309979] ? lapic_next_event+0x5a/0x90 [ 225.314128] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.319667] ? check_preemption_disabled+0x48/0x200 [ 225.324682] ? check_preemption_disabled+0x48/0x200 [ 225.329706] ? kvm_clock_read+0x18/0x30 [ 225.333680] ? kvm_sched_clock_read+0x9/0x20 [ 225.338090] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.343633] ? check_preemption_disabled+0x48/0x200 [ 225.348662] irq_exit+0x17f/0x1c0 [ 225.352126] smp_apic_timer_interrupt+0x1cb/0x760 [ 225.356968] ? smp_reschedule_interrupt+0x109/0x650 [ 225.362001] ? smp_call_function_single_interrupt+0x650/0x650 [ 225.367889] ? interrupt_entry+0xb5/0xf0 [ 225.371981] ? trace_hardirqs_off_caller+0xbb/0x300 [ 225.376995] ? trace_hardirqs_off_caller+0xbb/0x300 [ 225.382010] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 225.386859] ? trace_hardirqs_off+0x300/0x300 [ 225.391353] ? trace_hardirqs_off+0x300/0x300 [ 225.395848] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.401405] ? check_preemption_disabled+0x48/0x200 [ 225.406421] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.411967] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 225.416824] apic_timer_interrupt+0xf/0x20 [ 225.421061] [ 225.423299] RIP: 0010:_raw_write_unlock_irq+0x56/0x80 [ 225.428493] Code: 52 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d ab aa 92 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 f0 ec 95 f9 65 8b 05 a9 6e 42 78 85 c0 74 05 5b [ 225.447409] RSP: 0018:ffff8801d8cf7350 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 225.455118] RAX: dffffc0000000000 RBX: ffffffff894090c0 RCX: 0000000000000000 [ 225.462382] RDX: 1ffffffff12a4537 RSI: 0000000000000001 RDI: ffffffff895229b8 [ 225.469677] RBP: ffff8801d8cf7358 R08: ffff8801c24ca580 R09: 0000000000000000 [ 225.476956] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d70737c0 [ 225.484224] R13: ffff8801d8cf7490 R14: 0000000000000000 R15: ffff8801c24cab00 [ 225.491521] do_exit+0x11ef/0x2610 [ 225.495071] ? mem_cgroup_commit_charge+0x275/0x9d0 [ 225.500096] ? mm_update_next_owner+0x990/0x990 [ 225.504768] ? print_usage_bug+0xc0/0xc0 [ 225.508839] ? graph_lock+0x170/0x170 [ 225.512643] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.518181] ? check_preemption_disabled+0x48/0x200 [ 225.523197] ? check_preemption_disabled+0x48/0x200 [ 225.528213] ? print_usage_bug+0xc0/0xc0 [ 225.532276] ? __lock_acquire+0x7ec/0x4ec0 [ 225.536515] ? __lock_acquire+0x7ec/0x4ec0 [ 225.540775] ? mark_held_locks+0x130/0x130 [ 225.545024] ? mark_held_locks+0x130/0x130 [ 225.549271] ? finish_task_switch+0x1b5/0x900 [ 225.553853] ? __switch_to_asm+0x34/0x70 [ 225.557918] ? __switch_to_asm+0x34/0x70 [ 225.561976] ? __switch_to_asm+0x34/0x70 [ 225.566040] ? __switch_to_asm+0x40/0x70 [ 225.570098] ? __switch_to_asm+0x34/0x70 [ 225.574159] ? __switch_to_asm+0x40/0x70 [ 225.578269] ? __switch_to_asm+0x34/0x70 [ 225.582345] ? __switch_to_asm+0x34/0x70 [ 225.586408] ? __switch_to_asm+0x34/0x70 [ 225.590467] ? __switch_to_asm+0x34/0x70 [ 225.594525] ? __switch_to_asm+0x40/0x70 [ 225.598582] ? __switch_to_asm+0x34/0x70 [ 225.602640] ? __switch_to_asm+0x40/0x70 [ 225.606710] ? graph_lock+0x170/0x170 [ 225.610530] ? graph_lock+0x170/0x170 [ 225.614332] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 225.619867] ? wait_consider_task+0x245/0x3bb0 [ 225.624450] ? memset+0x31/0x40 [ 225.627741] ? find_held_lock+0x36/0x1c0 [ 225.631831] ? get_signal+0x95b/0x1980 [ 225.635724] ? _raw_spin_unlock_irq+0x27/0x80 [ 225.640219] ? _raw_spin_unlock_irq+0x27/0x80 [ 225.644722] do_group_exit+0x177/0x440 [ 225.648611] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 225.654086] ? __ia32_sys_exit+0x50/0x50 [ 225.658180] get_signal+0x8b0/0x1980 [ 225.661930] ? ptrace_notify+0x130/0x130 [ 225.665996] ? do_wait+0x57d/0xb90 [ 225.669546] ? wait_consider_task+0x3bb0/0x3bb0 [ 225.674214] ? graph_lock+0x170/0x170 [ 225.678026] ? graph_lock+0x170/0x170 [ 225.681917] ? graph_lock+0x170/0x170 [ 225.685746] do_signal+0x9c/0x21e0 [ 225.689288] ? find_held_lock+0x36/0x1c0 [ 225.693362] ? setup_sigcontext+0x7d0/0x7d0 [ 225.697683] ? kernel_wait4+0x2e0/0x3f0 [ 225.701660] ? __ia32_sys_waitid+0x140/0x140 [ 225.706076] ? task_stopped_code+0x190/0x190 [ 225.710490] ? exit_to_usermode_loop+0x8c/0x380 [ 225.715174] ? __do_page_fault+0x4a6/0xed0 [ 225.719427] ? do_syscall_64+0x9a/0x820 [ 225.723415] ? do_syscall_64+0x9a/0x820 [ 225.727418] exit_to_usermode_loop+0x2e5/0x380 [ 225.732018] ? syscall_slow_exit_work+0x520/0x520 [ 225.736878] do_syscall_64+0x6be/0x820 [ 225.740764] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 225.746133] ? syscall_return_slowpath+0x5e0/0x5e0 [ 225.751067] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 225.755929] ? trace_hardirqs_off+0x300/0x300 [ 225.760423] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 225.765442] ? prepare_exit_to_usermode+0x291/0x3b0 [ 225.770466] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 225.775322] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 225.780513] RIP: 0033:0x410e7a [ 225.783712] Code: Bad RIP value. [ 225.787088] RSP: 002b:00007ffdfa797988 EFLAGS: 00000246 ORIG_RAX: 000000000000003d [ 225.794818] RAX: fffffffffffffe00 RBX: 00000000000014f2 RCX: 0000000000410e7a [ 225.802089] RDX: 0000000040000000 RSI: 00007ffdfa797994 RDI: ffffffffffffffff [ 225.809355] RBP: 0000000000930b28 R08: 00000000000014e7 R09: 00000000024eb940 [ 225.816635] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010 [ 225.823901] R13: 0000000000412a80 R14: 0000000000000000 R15: 0000000000000000 [ 225.831209] warn_alloc_show_mem: 1 callbacks suppressed [ 225.831221] CPU: 0 PID: 9562 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51 [ 225.831223] Mem-Info: [ 225.831252] active_anon:43308 inactive_anon:372 isolated_anon:0 [ 225.831252] active_file:9 inactive_file:26 isolated_file:0 [ 225.831252] unevictable:0 dirty:0 writeback:0 unstable:0 [ 225.831252] slab_reclaimable:8855 slab_unreclaimable:1462387 [ 225.831252] mapped:57522 shmem:379 pagetables:727 bounce:0 [ 225.831252] free:13711 free_pcp:202 free_cma:0 [ 225.836594] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 225.843805] Node 0 active_anon:173232kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 225.846197] Call Trace: [ 225.878976] Node 0 [ 225.888340] [ 225.916116] 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 [ 225.918670] dump_stack+0x1c4/0x2b4 [ 225.920877] lowmem_reserve[]: [ 225.923020] ? dump_stack_print_info.cold.2+0x52/0x52 [ 225.948505] 0 [ 225.952135] warn_alloc.cold.118+0xb7/0x1bd [ 225.955199] 2817 6321 [ 225.960390] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 225.962171] 6321 [ 225.966487] ? lock_downgrade+0x900/0x900 [ 225.973800] ? trace_hardirqs_off+0xb8/0x300 [ 225.975838] Node 0 [ 225.979980] ? trace_hardirqs_off+0xb8/0x300 [ 225.984383] DMA32 free:24940kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 225.986593] __alloc_pages_slowpath+0x2667/0x2d80 [ 225.990971] lowmem_reserve[]: [ 226.017794] ? warn_alloc+0x120/0x120 [ 226.022586] 0 [ 226.025689] ? warn_alloc+0x120/0x120 [ 226.029460] 0 [ 226.031256] ? print_usage_bug+0xc0/0xc0 [ 226.035029] 3503 [ 226.036830] ? warn_alloc+0x120/0x120 [ 226.040886] 3503 [ 226.042944] ? print_usage_bug+0xc0/0xc0 [ 226.048800] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 226.052835] Node 0 [ 226.057846] ? ktime_get+0x2e1/0x440 [ 226.057883] Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:169136kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5568kB pagetables:2908kB bounce:0kB free_pcp:808kB local_pcp:692kB free_cma:0kB [ 226.060090] ? check_preemption_disabled+0x48/0x200 [ 226.063790] lowmem_reserve[]: [ 226.092235] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 226.097224] 0 [ 226.100328] ? should_fail+0x22d/0xd01 [ 226.105843] 0 0 [ 226.107680] ? kasan_check_read+0x11/0x20 [ 226.111537] 0 [ 226.113512] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 226.119429] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 226.124678] Node 0 DMA: [ 226.129956] ? __lock_acquire+0x7ec/0x4ec0 [ 226.129974] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 226.132626] 1*4kB [ 226.136851] ? should_fail+0x22d/0xd01 [ 226.141926] (U) [ 226.144090] ? mark_held_locks+0x130/0x130 [ 226.147946] 0*8kB [ 226.149917] ? mark_held_locks+0x130/0x130 [ 226.154129] 0*16kB [ 226.156272] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.160505] 1*32kB [ 226.162739] ? graph_lock+0x170/0x170 [ 226.168247] (U) [ 226.170476] ? mark_held_locks+0xc7/0x130 [ 226.174265] 2*64kB [ 226.176237] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 226.180353] (U) [ 226.182598] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.187603] 1*128kB [ 226.189577] ? check_preemption_disabled+0x48/0x200 [ 226.195085] (U) [ 226.197403] ? check_preemption_disabled+0x48/0x200 [ 226.202393] 1*256kB [ 226.204369] ? __lock_is_held+0xb5/0x140 [ 226.209350] (U) [ 226.211670] __alloc_pages_nodemask+0xa80/0xde0 [ 226.215701] 0*512kB [ 226.217667] ? graph_lock+0x170/0x170 [ 226.222313] 1*1024kB [ 226.224633] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 226.228408] (U) [ 226.230815] ? graph_lock+0x170/0x170 [ 226.235819] 1*2048kB (M) [ 226.237818] ? find_held_lock+0x36/0x1c0 [ 226.241591] 3*4096kB [ 226.244349] ? ____cache_alloc_node+0x1c7/0x1e0 [ 226.248379] (M) [ 226.250786] ? lock_downgrade+0x900/0x900 [ 226.255433] = 15908kB [ 226.257606] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.261730] Node 0 [ 226.264136] cache_grow_begin+0x91/0x8c0 [ 226.269638] DMA32: 3*4kB [ 226.271879] ? do_raw_spin_unlock+0xa7/0x2f0 [ 226.275913] (UM) [ 226.278672] fallback_alloc+0x203/0x2e0 [ 226.283055] 2*8kB [ 226.285115] ____cache_alloc_node+0x1c7/0x1e0 [ 226.289065] (U) [ 226.291213] kmem_cache_alloc_node+0xe3/0x730 [ 226.295680] 5*16kB [ 226.297650] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 226.302118] (UM) [ 226.304348] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 226.309425] 2*32kB [ 226.311487] __alloc_skb+0x119/0x770 [ 226.316046] (UM) [ 226.318280] ? calc_wheel_index+0x220/0x220 [ 226.321969] 3*64kB [ 226.324024] ? skb_scrub_packet+0x490/0x490 [ 226.328325] (UM) [ 226.330563] ? vprintk_default+0x28/0x30 [ 226.334860] 4*128kB [ 226.336910] ? vprintk_func+0x85/0x181 [ 226.340944] (UM) [ 226.343263] ? printk+0xa7/0xcf [ 226.347125] 2*256kB [ 226.349185] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 226.352435] (M) [ 226.354761] new_skb+0x26/0x1c0 [ 226.359487] 4*512kB [ 226.361457] aoecmd_cfg+0x279/0x7f0 [ 226.364711] (UM) [ 226.367029] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 226.370633] 3*1024kB [ 226.372689] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.376980] (M) [ 226.379392] ? check_preemption_disabled+0x48/0x200 [ 226.384900] 1*2048kB [ 226.386870] ? check_preemption_disabled+0x48/0x200 [ 226.391850] (U) 4*4096kB [ 226.394271] ? __lock_is_held+0xb5/0x140 [ 226.399255] (M) [ 226.402014] discover_timer+0x50/0x60 [ 226.406049] = 24940kB [ 226.408019] call_timer_fn+0x272/0x920 [ 226.411791] Node 0 [ 226.414219] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 226.418083] Normal: [ 226.420319] ? process_timeout+0x40/0x40 [ 226.425134] 667*4kB [ 226.427451] ? find_held_lock+0x36/0x1c0 [ 226.431484] (UMEH) [ 226.433805] ? __run_timers+0x7da/0xc70 [ 226.437840] 358*8kB [ 226.440073] ? _raw_spin_unlock_irq+0x27/0x80 [ 226.444018] (UMEH) [ 226.446341] ? _raw_spin_unlock_irq+0x27/0x80 [ 226.450814] 191*16kB (UMEH) [ 226.453061] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 226.457530] 81*32kB [ 226.460540] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 226.465356] (UMEH) [ 226.467678] ? trace_hardirqs_on+0xbd/0x310 [ 226.472232] 30*64kB [ 226.474553] ? kasan_check_read+0x11/0x20 [ 226.478847] (UMH) [ 226.481166] ? __run_timers+0x7da/0xc70 [ 226.485295] 1*128kB [ 226.487445] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 226.491394] (M) [ 226.493715] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 226.499140] 3*256kB [ 226.501110] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 226.505318] (UH) [ 226.507636] __run_timers+0x7e5/0xc70 [ 226.512451] 0*512kB [ 226.514520] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 226.518286] 0*1024kB [ 226.520611] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 226.525977] 0*2048kB [ 226.528381] ? graph_lock+0x170/0x170 [ 226.533372] 0*4096kB [ 226.535777] ? enqueue_hrtimer+0x1a5/0x560 [ 226.539553] = 13996kB [ 226.541953] ? lock_release+0x970/0x970 [ 226.546167] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 226.548564] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 226.552517] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 226.561344] ? find_held_lock+0x36/0x1c0 [ 226.566504] 414 total pagecache pages [ 226.575119] ? graph_lock+0x170/0x170 [ 226.579161] 0 pages in swap cache [ 226.582965] ? pvclock_read_flags+0x160/0x160 [ 226.586743] Swap cache stats: add 0, delete 0, find 0/0 [ 226.590184] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.594669] Free swap = 0kB [ 226.600029] ? check_preemption_disabled+0x48/0x200 [ 226.605571] Total swap = 0kB [ 226.608590] ? __lock_is_held+0xb5/0x140 [ 226.613573] 1965979 pages RAM [ 226.616585] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.620613] 0 pages HighMem/MovableOnly [ 226.620622] 342744 pages reserved [ 226.623724] ? check_preemption_disabled+0x48/0x200 [ 226.629233] 0 pages cma reserved [ 226.633204] run_timer_softirq+0x52/0xb0 [ 226.636713] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 226.641639] ? rcu_read_lock_sched_held+0x108/0x120 [ 226.645049] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 226.649044] __do_softirq+0x30b/0xad8 [ 226.655510] syz-executor1 cpuset= [ 226.660525] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 226.670977] / [ 226.674778] ? pvclock_read_flags+0x160/0x160 [ 226.678226] mems_allowed=0 [ 226.683335] ? lapic_next_event+0x5a/0x90 [ 226.696570] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.702114] ? check_preemption_disabled+0x48/0x200 [ 226.707170] ? check_preemption_disabled+0x48/0x200 [ 226.712213] ? kvm_clock_read+0x18/0x30 [ 226.716190] ? kvm_sched_clock_read+0x9/0x20 [ 226.720636] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.726175] ? check_preemption_disabled+0x48/0x200 [ 226.731208] irq_exit+0x17f/0x1c0 [ 226.734665] smp_apic_timer_interrupt+0x1cb/0x760 [ 226.739508] ? smp_reschedule_interrupt+0x109/0x650 [ 226.744524] ? smp_call_function_single_interrupt+0x650/0x650 [ 226.750415] ? interrupt_entry+0xb5/0xf0 [ 226.754480] ? trace_hardirqs_off_caller+0xbb/0x300 [ 226.759495] ? trace_hardirqs_off_caller+0xbb/0x300 [ 226.764538] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 226.769379] ? trace_hardirqs_off+0x300/0x300 [ 226.773885] ? trace_hardirqs_off+0x300/0x300 [ 226.778395] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 226.783955] ? check_preemption_disabled+0x48/0x200 [ 226.789025] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 226.794621] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 226.799490] apic_timer_interrupt+0xf/0x20 [ 226.803717] [ 226.805957] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 226.810886] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 226.829785] RSP: 0000:ffff88019f217748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 226.837495] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 226.844786] RDX: 0000000000000000 RSI: ffff88019f972d00 RDI: 0000000000000282 [ 226.852057] RBP: ffff88019f2177b0 R08: ffff88019f972480 R09: 0000000000000000 [ 226.859322] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 226.866587] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 226.873895] skb_clone+0x1bb/0x500 [ 226.877441] ? finish_task_switch+0x2f5/0x900 [ 226.881938] ? skb_split+0x11e0/0x11e0 [ 226.885831] ? preempt_notifier_register+0x200/0x200 [ 226.890933] ? __switch_to_asm+0x34/0x70 [ 226.895026] ? __switch_to_asm+0x34/0x70 [ 226.899098] ? __switch_to_asm+0x40/0x70 [ 226.903168] ? __switch_to_asm+0x34/0x70 [ 226.907226] ? __switch_to_asm+0x40/0x70 [ 226.911284] ? __switch_to_asm+0x34/0x70 [ 226.915351] ? __switch_to_asm+0x40/0x70 [ 226.919411] ? __switch_to_asm+0x34/0x70 [ 226.923472] ? __switch_to_asm+0x34/0x70 [ 226.927535] ? __switch_to_asm+0x40/0x70 [ 226.931595] ? __switch_to_asm+0x34/0x70 [ 226.935669] bpf_clone_redirect+0xb9/0x490 [ 226.939904] ? __schedule+0x874/0x1ed0 [ 226.943802] bpf_prog_a2323609a0d1adb1+0x624/0x1000 [ 226.948824] ? __sched_text_start+0x8/0x8 [ 226.952973] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 226.957743] ? find_held_lock+0x36/0x1c0 [ 226.961822] ? lock_acquire+0x1ed/0x520 [ 226.965813] ? bpf_test_run+0x32e/0x5a0 [ 226.969794] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 226.975337] ? check_preemption_disabled+0x48/0x200 [ 226.980391] ? kasan_check_read+0x11/0x20 [ 226.984543] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 226.989824] ? rcu_bh_qs+0xc0/0xc0 [ 226.993366] ? preempt_schedule+0x4d/0x60 [ 226.997512] ? ___preempt_schedule+0x16/0x18 [ 227.001929] ? bpf_test_run+0x1c0/0x5a0 [ 227.005918] ? netlink_diag_dump+0x2a0/0x2a0 [ 227.010335] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 227.015870] ? bpf_test_init.isra.9+0x70/0x100 [ 227.020460] ? bpf_prog_test_run_skb+0x634/0xb40 [ 227.025228] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 227.030075] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 227.035612] ? fput+0x130/0x1a0 [ 227.038892] ? __bpf_prog_get+0x9b/0x290 [ 227.042959] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 227.047827] ? bpf_prog_test_run+0x130/0x1a0 [ 227.052242] ? __x64_sys_bpf+0x3d8/0x510 [ 227.056310] ? bpf_prog_get+0x20/0x20 [ 227.060134] ? do_syscall_64+0x1b9/0x820 [ 227.064197] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 227.069562] ? syscall_return_slowpath+0x5e0/0x5e0 [ 227.074498] ? trace_hardirqs_off+0x300/0x300 [ 227.079024] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 227.084059] ? recalc_sigpending_tsk+0x180/0x180 [ 227.088824] ? kasan_check_write+0x14/0x20 [ 227.093076] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 227.097928] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 227.103330] CPU: 1 PID: 5351 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51 [ 227.103397] aoe: skb alloc failure [ 227.110522] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 227.110528] Call Trace: [ 227.110534] [ 227.110551] dump_stack+0x1c4/0x2b4 [ 227.110568] ? dump_stack_print_info.cold.2+0x52/0x52 [ 227.114118] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 227.123453] warn_alloc.cold.118+0xb7/0x1bd [ 227.126485] syz-executor0 cpuset= [ 227.128635] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 227.132234] syz0 [ 227.137417] ? lock_downgrade+0x900/0x900 [ 227.147880] mems_allowed=0 [ 227.152201] ? trace_hardirqs_off+0xb8/0x300 [ 227.173895] ? trace_hardirqs_off+0xb8/0x300 [ 227.178313] __alloc_pages_slowpath+0x2667/0x2d80 [ 227.183190] ? warn_alloc+0x120/0x120 [ 227.187065] ? warn_alloc+0x120/0x120 [ 227.190884] ? print_usage_bug+0xc0/0xc0 [ 227.194957] ? warn_alloc+0x120/0x120 [ 227.198773] ? print_usage_bug+0xc0/0xc0 [ 227.202855] ? __lock_acquire+0x7ec/0x4ec0 [ 227.207097] ? __lock_acquire+0x7ec/0x4ec0 [ 227.211341] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 227.216880] ? should_fail+0x22d/0xd01 [ 227.220773] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 227.225895] ? __lock_acquire+0x7ec/0x4ec0 [ 227.230149] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 227.235253] ? __lock_acquire+0x7ec/0x4ec0 [ 227.239490] ? should_fail+0x22d/0xd01 [ 227.243392] ? mark_held_locks+0x130/0x130 [ 227.247631] ? mark_held_locks+0x130/0x130 [ 227.251869] ? graph_lock+0x170/0x170 [ 227.255686] ? graph_lock+0x170/0x170 [ 227.259487] ? graph_lock+0x170/0x170 [ 227.263292] ? print_usage_bug+0xc0/0xc0 [ 227.267357] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.272903] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.278444] ? check_preemption_disabled+0x48/0x200 [ 227.283459] ? check_preemption_disabled+0x48/0x200 [ 227.288489] ? __lock_is_held+0xb5/0x140 [ 227.292557] __alloc_pages_nodemask+0xa80/0xde0 [ 227.297229] ? graph_lock+0x170/0x170 [ 227.301043] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 227.306080] ? graph_lock+0x170/0x170 [ 227.309895] ? find_held_lock+0x36/0x1c0 [ 227.313969] ? ____cache_alloc_node+0x1c7/0x1e0 [ 227.318638] ? lock_downgrade+0x900/0x900 [ 227.322794] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.328345] cache_grow_begin+0x91/0x8c0 [ 227.332408] ? do_raw_spin_unlock+0xa7/0x2f0 [ 227.336828] fallback_alloc+0x203/0x2e0 [ 227.340817] ____cache_alloc_node+0x1c7/0x1e0 [ 227.345318] kmem_cache_alloc_node+0xe3/0x730 [ 227.349819] ? ipv6_get_ifaddr+0x42e/0x620 [ 227.354081] __alloc_skb+0x119/0x770 [ 227.357805] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 227.363085] ? skb_scrub_packet+0x490/0x490 [ 227.367422] ? lock_downgrade+0x900/0x900 [ 227.371577] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.377117] ? refcount_sub_and_test_checked+0x203/0x310 [ 227.382573] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 227.388029] ? addrconf_rs_timer+0x6f0/0x6f0 [ 227.392467] ndisc_alloc_skb+0x144/0x340 [ 227.396562] ndisc_send_rs+0x331/0x6e0 [ 227.400459] addrconf_rs_timer+0x3c0/0x6f0 [ 227.404701] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 227.408953] call_timer_fn+0x272/0x920 [ 227.412843] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 227.417114] ? process_timeout+0x40/0x40 [ 227.421186] ? find_held_lock+0x36/0x1c0 [ 227.425256] ? __run_timers+0x7da/0xc70 [ 227.429232] ? _raw_spin_unlock_irq+0x27/0x80 [ 227.433732] ? _raw_spin_unlock_irq+0x27/0x80 [ 227.438227] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 227.442465] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 227.447056] ? trace_hardirqs_on+0xbd/0x310 [ 227.451378] ? kasan_check_read+0x11/0x20 [ 227.455525] ? __run_timers+0x7da/0xc70 [ 227.459501] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 227.464962] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 227.469203] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 227.473442] __run_timers+0x7e5/0xc70 [ 227.477261] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 227.482626] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 227.487646] ? graph_lock+0x170/0x170 [ 227.491451] ? enqueue_hrtimer+0x1a5/0x560 [ 227.495686] ? lock_release+0x970/0x970 [ 227.499669] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 227.504870] ? find_held_lock+0x36/0x1c0 [ 227.508941] ? pvclock_read_flags+0x160/0x160 [ 227.513441] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.518979] ? check_preemption_disabled+0x48/0x200 [ 227.524008] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 227.529551] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 227.534830] ? rcu_pm_notify+0xc0/0xc0 [ 227.538723] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.544262] ? check_preemption_disabled+0x48/0x200 [ 227.549289] run_timer_softirq+0x52/0xb0 [ 227.553351] ? rcu_read_lock_sched_held+0x108/0x120 [ 227.558369] __do_softirq+0x30b/0xad8 [ 227.562183] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 227.567297] ? pvclock_read_flags+0x160/0x160 [ 227.571802] ? lapic_next_event+0x5a/0x90 [ 227.575958] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.581502] ? check_preemption_disabled+0x48/0x200 [ 227.586519] ? check_preemption_disabled+0x48/0x200 [ 227.591546] ? kvm_clock_read+0x18/0x30 [ 227.595523] ? kvm_sched_clock_read+0x9/0x20 [ 227.599937] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.605474] ? check_preemption_disabled+0x48/0x200 [ 227.610503] irq_exit+0x17f/0x1c0 [ 227.613959] smp_apic_timer_interrupt+0x1cb/0x760 [ 227.618806] ? smp_reschedule_interrupt+0x109/0x650 [ 227.623829] ? smp_call_function_single_interrupt+0x650/0x650 [ 227.629726] ? interrupt_entry+0xb5/0xf0 [ 227.633814] ? trace_hardirqs_off_caller+0xbb/0x300 [ 227.638831] ? trace_hardirqs_off_caller+0xbb/0x300 [ 227.643849] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 227.648691] ? trace_hardirqs_off+0x300/0x300 [ 227.653185] ? trace_hardirqs_off+0x300/0x300 [ 227.657679] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.663216] ? check_preemption_disabled+0x48/0x200 [ 227.668231] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.673777] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 227.678638] apic_timer_interrupt+0xf/0x20 [ 227.682869] [ 227.685107] RIP: 0010:_raw_write_unlock_irq+0x56/0x80 [ 227.690301] Code: 52 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d ab aa 92 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 f0 ec 95 f9 65 8b 05 a9 6e 42 78 85 c0 74 05 5b [ 227.709200] RSP: 0018:ffff8801d8cf7350 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 227.716911] RAX: dffffc0000000000 RBX: ffffffff894090c0 RCX: 0000000000000000 [ 227.724178] RDX: 1ffffffff12a4537 RSI: 0000000000000001 RDI: ffffffff895229b8 [ 227.731447] RBP: ffff8801d8cf7358 R08: ffff8801c24ca580 R09: 0000000000000000 [ 227.738713] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d70737c0 [ 227.745978] R13: ffff8801d8cf7490 R14: 0000000000000000 R15: ffff8801c24cab00 [ 227.753279] do_exit+0x11ef/0x2610 [ 227.756829] ? mem_cgroup_commit_charge+0x275/0x9d0 [ 227.761854] ? mm_update_next_owner+0x990/0x990 [ 227.766523] ? print_usage_bug+0xc0/0xc0 [ 227.770586] ? graph_lock+0x170/0x170 [ 227.774395] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.779934] ? check_preemption_disabled+0x48/0x200 [ 227.784950] ? check_preemption_disabled+0x48/0x200 [ 227.789968] ? print_usage_bug+0xc0/0xc0 [ 227.794049] ? __lock_acquire+0x7ec/0x4ec0 [ 227.798296] ? __lock_acquire+0x7ec/0x4ec0 [ 227.802552] ? mark_held_locks+0x130/0x130 [ 227.806802] ? mark_held_locks+0x130/0x130 [ 227.811048] ? finish_task_switch+0x1b5/0x900 [ 227.815548] ? __switch_to_asm+0x34/0x70 [ 227.819615] ? __switch_to_asm+0x34/0x70 [ 227.823677] ? __switch_to_asm+0x34/0x70 [ 227.827735] ? __switch_to_asm+0x40/0x70 [ 227.831818] ? __switch_to_asm+0x34/0x70 [ 227.835877] ? __switch_to_asm+0x40/0x70 [ 227.839934] ? __switch_to_asm+0x34/0x70 [ 227.843997] ? __switch_to_asm+0x34/0x70 [ 227.848065] ? __switch_to_asm+0x34/0x70 [ 227.852127] ? __switch_to_asm+0x34/0x70 [ 227.856191] ? __switch_to_asm+0x40/0x70 [ 227.860250] ? __switch_to_asm+0x34/0x70 [ 227.864309] ? __switch_to_asm+0x40/0x70 [ 227.868378] ? graph_lock+0x170/0x170 [ 227.872207] ? graph_lock+0x170/0x170 [ 227.876024] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 227.881580] ? wait_consider_task+0x245/0x3bb0 [ 227.886174] ? memset+0x31/0x40 [ 227.889462] ? find_held_lock+0x36/0x1c0 [ 227.893532] ? get_signal+0x95b/0x1980 [ 227.897424] ? _raw_spin_unlock_irq+0x27/0x80 [ 227.901918] ? _raw_spin_unlock_irq+0x27/0x80 [ 227.906424] do_group_exit+0x177/0x440 [ 227.910314] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 227.915773] ? __ia32_sys_exit+0x50/0x50 [ 227.919856] get_signal+0x8b0/0x1980 [ 227.923582] ? ptrace_notify+0x130/0x130 [ 227.927640] ? do_wait+0x57d/0xb90 [ 227.931190] ? wait_consider_task+0x3bb0/0x3bb0 [ 227.935857] ? graph_lock+0x170/0x170 [ 227.939656] ? graph_lock+0x170/0x170 [ 227.943464] ? graph_lock+0x170/0x170 [ 227.947281] do_signal+0x9c/0x21e0 [ 227.950826] ? find_held_lock+0x36/0x1c0 [ 227.954895] ? setup_sigcontext+0x7d0/0x7d0 [ 227.959219] ? kernel_wait4+0x2e0/0x3f0 [ 227.963198] ? __ia32_sys_waitid+0x140/0x140 [ 227.967612] ? task_stopped_code+0x190/0x190 [ 227.972027] ? exit_to_usermode_loop+0x8c/0x380 [ 227.976721] ? __do_page_fault+0x4a6/0xed0 [ 227.980958] ? do_syscall_64+0x9a/0x820 [ 227.984936] ? do_syscall_64+0x9a/0x820 [ 227.988915] exit_to_usermode_loop+0x2e5/0x380 [ 227.993504] ? syscall_slow_exit_work+0x520/0x520 [ 227.998358] do_syscall_64+0x6be/0x820 [ 228.002251] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 228.007619] ? syscall_return_slowpath+0x5e0/0x5e0 [ 228.012571] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 228.017420] ? trace_hardirqs_off+0x300/0x300 [ 228.021919] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 228.026941] ? prepare_exit_to_usermode+0x291/0x3b0 [ 228.031964] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 228.036827] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 228.042018] RIP: 0033:0x410e7a [ 228.045220] Code: Bad RIP value. [ 228.048580] RSP: 002b:00007ffdfa797988 EFLAGS: 00000246 ORIG_RAX: 000000000000003d [ 228.056375] RAX: fffffffffffffe00 RBX: 00000000000014f2 RCX: 0000000000410e7a [ 228.063640] RDX: 0000000040000000 RSI: 00007ffdfa797994 RDI: ffffffffffffffff [ 228.070906] RBP: 0000000000930b28 R08: 00000000000014e7 R09: 00000000024eb940 [ 228.078174] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010 [ 228.085440] R13: 0000000000412a80 R14: 0000000000000000 R15: 0000000000000000 [ 228.092731] warn_alloc_show_mem: 1 callbacks suppressed [ 228.092744] CPU: 0 PID: 9562 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51 [ 228.092745] Mem-Info: [ 228.092775] active_anon:43308 inactive_anon:372 isolated_anon:0 [ 228.092775] active_file:9 inactive_file:26 isolated_file:0 [ 228.092775] unevictable:0 dirty:0 writeback:0 unstable:0 [ 228.092775] slab_reclaimable:8855 slab_unreclaimable:1462387 [ 228.092775] mapped:57522 shmem:379 pagetables:727 bounce:0 [ 228.092775] free:13711 free_pcp:202 free_cma:0 [ 228.098125] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 228.098133] Call Trace: [ 228.105328] Node 0 active_anon:173232kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 228.105336] Node 0 [ 228.107757] [ 228.140568] 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 [ 228.149903] dump_stack+0x1c4/0x2b4 [ 228.152457] lowmem_reserve[]: [ 228.180229] ? dump_stack_print_info.cold.2+0x52/0x52 [ 228.182447] 0 [ 228.184605] warn_alloc.cold.118+0xb7/0x1bd [ 228.210072] 2817 6321 [ 228.213713] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 228.216789] 6321 [ 228.221972] ? lock_downgrade+0x900/0x900 [ 228.228075] ? trace_hardirqs_off+0xb8/0x300 [ 228.230543] Node 0 [ 228.235380] ? trace_hardirqs_off+0xb8/0x300 [ 228.237452] DMA32 free:24940kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 228.241570] __alloc_pages_slowpath+0x2667/0x2d80 [ 228.245948] lowmem_reserve[]: [ 228.248207] ? warn_alloc+0x120/0x120 [ 228.252569] 0 [ 228.280146] ? __lock_acquire+0x7ec/0x4ec0 [ 228.284972] 0 [ 228.288085] ? warn_alloc+0x120/0x120 [ 228.291860] 3503 [ 228.293659] ? print_usage_bug+0xc0/0xc0 [ 228.297871] 3503 [ 228.299665] ? warn_alloc+0x120/0x120 [ 228.305497] ? print_usage_bug+0xc0/0xc0 [ 228.309621] Node 0 [ 228.311676] ? mark_held_locks+0x130/0x130 [ 228.315478] Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:169136kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5568kB pagetables:2908kB bounce:0kB free_pcp:808kB local_pcp:692kB free_cma:0kB [ 228.319506] ? mark_held_locks+0x130/0x130 [ 228.321718] lowmem_reserve[]: [ 228.325949] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 228.354369] 0 0 [ 228.358632] ? should_fail+0x22d/0xd01 [ 228.361802] 0 [ 228.367328] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.367347] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 228.369313] 0 [ 228.373198] ? __lock_acquire+0x7ec/0x4ec0 [ 228.380503] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 228.385577] Node 0 [ 228.387374] ? should_fail+0x22d/0xd01 [ 228.391583] DMA: [ 228.396683] ? __sanitizer_cov_trace_const_cmp1+0x10/0x20 [ 228.398893] 1*4kB [ 228.402779] ? mark_held_locks+0x130/0x130 [ 228.404814] (U) [ 228.410345] ? mark_held_locks+0x130/0x130 [ 228.412470] 0*8kB [ 228.416705] ? graph_lock+0x170/0x170 [ 228.418657] 0*16kB [ 228.422883] ? graph_lock+0x170/0x170 [ 228.425008] 1*32kB [ 228.428800] ? print_usage_bug+0xc0/0xc0 [ 228.431015] (U) [ 228.434812] ? do_raw_spin_unlock+0xa7/0x2f0 [ 228.434830] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.437050] 2*64kB [ 228.441110] ? check_preemption_disabled+0x48/0x200 [ 228.443066] (U) [ 228.447470] ? check_preemption_disabled+0x48/0x200 [ 228.452976] 1*128kB (U) [ 228.455223] ? __lock_is_held+0xb5/0x140 [ 228.460202] 1*256kB (U) [ 228.462188] __alloc_pages_nodemask+0xa80/0xde0 [ 228.467180] 0*512kB 1*1024kB [ 228.469857] ? graph_lock+0x170/0x170 [ 228.473892] (U) [ 228.476562] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 228.481212] 1*2048kB [ 228.484331] ? graph_lock+0x170/0x170 [ 228.488107] (M) [ 228.490085] ? find_held_lock+0x36/0x1c0 [ 228.495064] 3*4096kB (M) [ 228.497484] ? ____cache_alloc_node+0x1c7/0x1e0 [ 228.501251] = 15908kB [ 228.503223] ? lock_downgrade+0x900/0x900 [ 228.507258] Node 0 [ 228.510014] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.514651] DMA32: 3*4kB [ 228.517083] cache_grow_begin+0x91/0x8c0 [ 228.521200] (UM) [ 228.523429] ? do_raw_spin_unlock+0xa7/0x2f0 [ 228.528939] 2*8kB [ 228.531694] fallback_alloc+0x203/0x2e0 [ 228.535723] (U) [ 228.537782] ____cache_alloc_node+0x1c7/0x1e0 [ 228.542165] 5*16kB [ 228.544319] kmem_cache_alloc_node+0xe3/0x730 [ 228.548263] (UM) [ 228.550239] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 228.554704] 2*32kB (UM) [ 228.556945] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 228.561407] 3*64kB (UM) [ 228.563475] __alloc_skb+0x119/0x770 [ 228.568547] 4*128kB [ 228.571212] ? calc_wheel_index+0x220/0x220 [ 228.575767] (UM) [ 228.578429] ? skb_scrub_packet+0x490/0x490 [ 228.582121] 2*256kB [ 228.584441] ? vprintk_default+0x28/0x30 [ 228.588732] (M) [ 228.590818] ? vprintk_func+0x85/0x181 [ 228.595120] 4*512kB [ 228.597438] ? printk+0xa7/0xcf [ 228.601474] (UM) [ 228.603447] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 228.607303] 3*1024kB (M) [ 228.609633] new_skb+0x26/0x1c0 [ 228.612882] 1*2048kB (U) [ 228.614945] aoecmd_cfg+0x279/0x7f0 [ 228.619677] 4*4096kB [ 228.622436] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 228.625689] (M) [ 228.628442] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.632045] = 24940kB [ 228.632054] Node 0 [ 228.634462] ? check_preemption_disabled+0x48/0x200 [ 228.638755] Normal: [ 228.640732] ? check_preemption_disabled+0x48/0x200 [ 228.646504] 667*4kB [ 228.648928] ? __lock_is_held+0xb5/0x140 [ 228.651135] (UMEH) [ 228.656152] discover_timer+0x50/0x60 [ 228.658443] 358*8kB [ 228.663453] call_timer_fn+0x272/0x920 [ 228.665747] (UMEH) [ 228.669799] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 228.672018] 191*16kB [ 228.675821] ? process_timeout+0x40/0x40 [ 228.678118] (UMEH) [ 228.681999] ? find_held_lock+0x36/0x1c0 [ 228.684215] 81*32kB [ 228.689062] ? __run_timers+0x7da/0xc70 [ 228.691441] (UMEH) [ 228.695495] ? _raw_spin_unlock_irq+0x27/0x80 [ 228.697706] 30*64kB [ 228.701755] ? _raw_spin_unlock_irq+0x27/0x80 [ 228.704059] (UMH) [ 228.708024] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 228.710242] 1*128kB [ 228.714731] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 228.717029] (M) [ 228.721524] ? trace_hardirqs_on+0xbd/0x310 [ 228.723649] 3*256kB [ 228.728486] ? kasan_check_read+0x11/0x20 [ 228.730782] (UH) [ 228.735361] ? __run_timers+0x7da/0xc70 [ 228.737552] 0*512kB 0*1024kB [ 228.741881] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 228.744179] 0*2048kB [ 228.748327] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 228.750363] 0*4096kB [ 228.754334] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 228.757412] = 13996kB [ 228.762853] __run_timers+0x7e5/0xc70 [ 228.765246] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 228.769491] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 228.771876] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 228.776705] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 228.779089] 414 total pagecache pages [ 228.782915] ? graph_lock+0x170/0x170 [ 228.792025] 0 pages in swap cache [ 228.797399] ? enqueue_hrtimer+0x1a5/0x560 [ 228.805948] Swap cache stats: add 0, delete 0, find 0/0 [ 228.805957] Free swap = 0kB [ 228.810966] ? lock_release+0x970/0x970 [ 228.810982] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 228.814754] Total swap = 0kB [ 228.814762] 1965979 pages RAM [ 228.818557] ? find_held_lock+0x36/0x1c0 [ 228.821981] 0 pages HighMem/MovableOnly [ 228.821989] 342744 pages reserved [ 228.826217] ? graph_lock+0x170/0x170 [ 228.831552] 0 pages cma reserved [ 228.834565] ? pvclock_read_flags+0x160/0x160 [ 228.838579] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 228.843723] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.846831] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 228.849816] ? check_preemption_disabled+0x48/0x200 [ 228.849843] ? __lock_is_held+0xb5/0x140 [ 228.853873] syz-executor1 cpuset= [ 228.857841] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.861266] / [ 228.865066] ? check_preemption_disabled+0x48/0x200 [ 228.868406] mems_allowed=0 [ 228.872897] run_timer_softirq+0x52/0xb0 [ 228.927028] ? rcu_read_lock_sched_held+0x108/0x120 [ 228.932071] __do_softirq+0x30b/0xad8 [ 228.935887] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 228.941000] ? pvclock_read_flags+0x160/0x160 [ 228.945494] ? lapic_next_event+0x5a/0x90 [ 228.949643] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.955186] ? check_preemption_disabled+0x48/0x200 [ 228.960205] ? check_preemption_disabled+0x48/0x200 [ 228.965229] ? kvm_clock_read+0x18/0x30 [ 228.969201] ? kvm_sched_clock_read+0x9/0x20 [ 228.973611] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 228.979150] ? check_preemption_disabled+0x48/0x200 [ 228.984182] irq_exit+0x17f/0x1c0 [ 228.987641] smp_apic_timer_interrupt+0x1cb/0x760 [ 228.992482] ? smp_reschedule_interrupt+0x109/0x650 [ 228.997499] ? smp_call_function_single_interrupt+0x650/0x650 [ 229.003384] ? interrupt_entry+0xb5/0xf0 [ 229.007446] ? trace_hardirqs_off_caller+0xbb/0x300 [ 229.012461] ? trace_hardirqs_off_caller+0xbb/0x300 [ 229.017478] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 229.022328] ? trace_hardirqs_off+0x300/0x300 [ 229.026826] ? trace_hardirqs_off+0x300/0x300 [ 229.031329] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 229.036871] ? check_preemption_disabled+0x48/0x200 [ 229.041907] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 229.047452] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 229.052313] apic_timer_interrupt+0xf/0x20 [ 229.056540] [ 229.058782] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 229.063716] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 229.082622] RSP: 0000:ffff88019f217748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 229.090336] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 229.097601] RDX: 0000000000000000 RSI: ffff88019f972d00 RDI: 0000000000000282 [ 229.104869] RBP: ffff88019f2177b0 R08: ffff88019f972480 R09: 0000000000000000 [ 229.112137] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 229.119401] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 229.127232] skb_clone+0x1bb/0x500 [ 229.130778] ? finish_task_switch+0x2f5/0x900 [ 229.135277] ? skb_split+0x11e0/0x11e0 [ 229.139170] ? preempt_notifier_register+0x200/0x200 [ 229.144273] ? __switch_to_asm+0x34/0x70 [ 229.148338] ? __switch_to_asm+0x34/0x70 [ 229.152396] ? __switch_to_asm+0x40/0x70 [ 229.156454] ? __switch_to_asm+0x34/0x70 [ 229.160516] ? __switch_to_asm+0x40/0x70 [ 229.164574] ? __switch_to_asm+0x34/0x70 [ 229.168635] ? __switch_to_asm+0x40/0x70 [ 229.172693] ? __switch_to_asm+0x34/0x70 [ 229.176758] ? __switch_to_asm+0x34/0x70 [ 229.180821] ? __switch_to_asm+0x40/0x70 [ 229.184882] ? __switch_to_asm+0x34/0x70 [ 229.188957] bpf_clone_redirect+0xb9/0x490 [ 229.193198] ? __schedule+0x874/0x1ed0 [ 229.197092] bpf_prog_a2323609a0d1adb1+0x624/0x1000 [ 229.202115] ? __sched_text_start+0x8/0x8 [ 229.206264] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 229.211045] ? find_held_lock+0x36/0x1c0 [ 229.215130] ? lock_acquire+0x1ed/0x520 [ 229.219106] ? bpf_test_run+0x32e/0x5a0 [ 229.223088] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.228629] ? check_preemption_disabled+0x48/0x200 [ 229.233657] ? kasan_check_read+0x11/0x20 [ 229.237807] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 229.243089] ? rcu_bh_qs+0xc0/0xc0 [ 229.246632] ? preempt_schedule+0x4d/0x60 [ 229.250780] ? ___preempt_schedule+0x16/0x18 [ 229.255199] ? bpf_test_run+0x1c0/0x5a0 [ 229.259186] ? netlink_diag_dump+0x2a0/0x2a0 [ 229.263598] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 229.269141] ? bpf_test_init.isra.9+0x70/0x100 [ 229.273729] ? bpf_prog_test_run_skb+0x634/0xb40 [ 229.278491] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 229.283334] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 229.288869] ? fput+0x130/0x1a0 [ 229.292151] ? __bpf_prog_get+0x9b/0x290 [ 229.296234] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 229.301074] ? bpf_prog_test_run+0x130/0x1a0 [ 229.305485] ? __x64_sys_bpf+0x3d8/0x510 [ 229.309546] ? bpf_prog_get+0x20/0x20 [ 229.313366] ? do_syscall_64+0x1b9/0x820 [ 229.317428] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 229.322901] ? syscall_return_slowpath+0x5e0/0x5e0 [ 229.327844] ? trace_hardirqs_off+0x300/0x300 [ 229.332342] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 229.337358] ? recalc_sigpending_tsk+0x180/0x180 [ 229.342121] ? kasan_check_write+0x14/0x20 [ 229.346364] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 229.351221] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 229.356608] CPU: 1 PID: 5351 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51 [ 229.356704] aoe: skb alloc failure [ 229.363816] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 229.363824] Call Trace: [ 229.367414] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 229.376694] [ 229.379264] syz-executor0 cpuset= [ 229.389741] dump_stack+0x1c4/0x2b4 [ 229.391864] syz0 [ 229.395316] ? dump_stack_print_info.cold.2+0x52/0x52 [ 229.398920] mems_allowed=0 [ 229.400899] warn_alloc.cold.118+0xb7/0x1bd [ 229.413329] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 229.418180] ? lock_downgrade+0x900/0x900 [ 229.422342] ? trace_hardirqs_off+0xb8/0x300 [ 229.426756] ? trace_hardirqs_off+0xb8/0x300 [ 229.431173] __alloc_pages_slowpath+0x2667/0x2d80 [ 229.436059] ? warn_alloc+0x120/0x120 [ 229.439865] ? trace_hardirqs_on+0x310/0x310 [ 229.444277] ? warn_alloc+0x120/0x120 [ 229.448083] ? print_usage_bug+0xc0/0xc0 [ 229.452151] ? warn_alloc+0x120/0x120 [ 229.455957] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 229.460977] ? print_usage_bug+0xc0/0xc0 [ 229.465053] ? __lock_acquire+0x7ec/0x4ec0 [ 229.469290] ? __lock_acquire+0x7ec/0x4ec0 [ 229.473530] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 229.479076] ? should_fail+0x22d/0xd01 [ 229.482972] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 229.488076] ? __lock_acquire+0x7ec/0x4ec0 [ 229.492321] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 229.497425] ? __lock_acquire+0x7ec/0x4ec0 [ 229.501656] ? should_fail+0x22d/0xd01 [ 229.505547] ? print_usage_bug+0xc0/0xc0 [ 229.509620] ? mark_held_locks+0x130/0x130 [ 229.513860] ? mark_held_locks+0x130/0x130 [ 229.518104] ? graph_lock+0x170/0x170 [ 229.521906] ? print_usage_bug+0xc0/0xc0 [ 229.525969] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 229.530728] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.536272] ? check_preemption_disabled+0x48/0x200 [ 229.541298] ? check_preemption_disabled+0x48/0x200 [ 229.546332] ? __lock_is_held+0xb5/0x140 [ 229.550406] __alloc_pages_nodemask+0xa80/0xde0 [ 229.555076] ? graph_lock+0x170/0x170 [ 229.558884] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 229.563900] ? graph_lock+0x170/0x170 [ 229.567718] ? find_held_lock+0x36/0x1c0 [ 229.571790] ? ____cache_alloc_node+0x1c7/0x1e0 [ 229.576471] ? lock_downgrade+0x900/0x900 [ 229.580651] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.586200] cache_grow_begin+0x91/0x8c0 [ 229.590264] ? do_raw_spin_unlock+0xa7/0x2f0 [ 229.594682] fallback_alloc+0x203/0x2e0 [ 229.598666] ____cache_alloc_node+0x1c7/0x1e0 [ 229.603168] kmem_cache_alloc_node+0xe3/0x730 [ 229.607665] ? ipv6_get_ifaddr+0x42e/0x620 [ 229.611912] __alloc_skb+0x119/0x770 [ 229.615628] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 229.620913] ? skb_scrub_packet+0x490/0x490 [ 229.625234] ? lock_downgrade+0x900/0x900 [ 229.629397] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.634940] ? refcount_sub_and_test_checked+0x203/0x310 [ 229.640394] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 229.645848] ? addrconf_rs_timer+0x6f0/0x6f0 [ 229.650275] ndisc_alloc_skb+0x144/0x340 [ 229.654348] ndisc_send_rs+0x331/0x6e0 [ 229.658248] addrconf_rs_timer+0x3c0/0x6f0 [ 229.662489] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 229.666738] call_timer_fn+0x272/0x920 [ 229.670624] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 229.674862] ? process_timeout+0x40/0x40 [ 229.678920] ? find_held_lock+0x36/0x1c0 [ 229.682993] ? __run_timers+0x7da/0xc70 [ 229.686975] ? _raw_spin_unlock_irq+0x27/0x80 [ 229.691468] ? _raw_spin_unlock_irq+0x27/0x80 [ 229.695965] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 229.700204] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 229.704794] ? trace_hardirqs_on+0xbd/0x310 [ 229.709122] ? kasan_check_read+0x11/0x20 [ 229.713273] ? __run_timers+0x7da/0xc70 [ 229.717249] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 229.722704] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 229.726949] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 229.731186] __run_timers+0x7e5/0xc70 [ 229.735004] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 229.740377] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 229.745398] ? graph_lock+0x170/0x170 [ 229.749204] ? enqueue_hrtimer+0x1a5/0x560 [ 229.753435] ? lock_release+0x970/0x970 [ 229.757412] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 229.762608] ? find_held_lock+0x36/0x1c0 [ 229.766683] ? pvclock_read_flags+0x160/0x160 [ 229.771182] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.776721] ? check_preemption_disabled+0x48/0x200 [ 229.781771] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 229.787320] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 229.792610] ? rcu_pm_notify+0xc0/0xc0 [ 229.796502] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.802062] ? check_preemption_disabled+0x48/0x200 [ 229.807096] run_timer_softirq+0x52/0xb0 [ 229.811163] ? rcu_read_lock_sched_held+0x108/0x120 [ 229.816189] __do_softirq+0x30b/0xad8 [ 229.820007] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 229.825127] ? pvclock_read_flags+0x160/0x160 [ 229.829626] ? lapic_next_event+0x5a/0x90 [ 229.833781] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.839330] ? check_preemption_disabled+0x48/0x200 [ 229.844351] ? check_preemption_disabled+0x48/0x200 [ 229.849379] ? kvm_clock_read+0x18/0x30 [ 229.853353] ? kvm_sched_clock_read+0x9/0x20 [ 229.857766] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.863316] ? check_preemption_disabled+0x48/0x200 [ 229.868348] irq_exit+0x17f/0x1c0 [ 229.871812] smp_apic_timer_interrupt+0x1cb/0x760 [ 229.876673] ? smp_reschedule_interrupt+0x109/0x650 [ 229.881693] ? smp_call_function_single_interrupt+0x650/0x650 [ 229.887577] ? interrupt_entry+0xb5/0xf0 [ 229.891644] ? trace_hardirqs_off_caller+0xbb/0x300 [ 229.896663] ? trace_hardirqs_off_caller+0xbb/0x300 [ 229.901683] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 229.906528] ? trace_hardirqs_off+0x300/0x300 [ 229.911020] ? trace_hardirqs_off+0x300/0x300 [ 229.915524] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.921079] ? check_preemption_disabled+0x48/0x200 [ 229.926102] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 229.931653] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 229.936507] apic_timer_interrupt+0xf/0x20 [ 229.940736] [ 229.942977] RIP: 0010:_raw_write_unlock_irq+0x56/0x80 [ 229.948168] Code: 52 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d ab aa 92 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 f0 ec 95 f9 65 8b 05 a9 6e 42 78 85 c0 74 05 5b [ 229.967070] RSP: 0018:ffff8801d8cf7350 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 229.974784] RAX: dffffc0000000000 RBX: ffffffff894090c0 RCX: 0000000000000000 [ 229.982066] RDX: 1ffffffff12a4537 RSI: 0000000000000001 RDI: ffffffff895229b8 [ 229.989332] RBP: ffff8801d8cf7358 R08: ffff8801c24ca580 R09: 0000000000000000 [ 229.996602] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d70737c0 [ 230.003871] R13: ffff8801d8cf7490 R14: 0000000000000000 R15: ffff8801c24cab00 [ 230.011176] do_exit+0x11ef/0x2610 [ 230.014718] ? mem_cgroup_commit_charge+0x275/0x9d0 [ 230.019748] ? mm_update_next_owner+0x990/0x990 [ 230.024419] ? print_usage_bug+0xc0/0xc0 [ 230.028482] ? graph_lock+0x170/0x170 [ 230.032289] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.037836] ? check_preemption_disabled+0x48/0x200 [ 230.042854] ? check_preemption_disabled+0x48/0x200 [ 230.047874] ? print_usage_bug+0xc0/0xc0 [ 230.051943] ? __lock_acquire+0x7ec/0x4ec0 [ 230.056184] ? __lock_acquire+0x7ec/0x4ec0 [ 230.060439] ? mark_held_locks+0x130/0x130 [ 230.064684] ? mark_held_locks+0x130/0x130 [ 230.068922] ? finish_task_switch+0x1b5/0x900 [ 230.073418] ? __switch_to_asm+0x34/0x70 [ 230.077482] ? __switch_to_asm+0x34/0x70 [ 230.081547] ? __switch_to_asm+0x34/0x70 [ 230.085609] ? __switch_to_asm+0x40/0x70 [ 230.089694] ? __switch_to_asm+0x34/0x70 [ 230.093757] ? __switch_to_asm+0x40/0x70 [ 230.097820] ? __switch_to_asm+0x34/0x70 [ 230.101884] ? __switch_to_asm+0x34/0x70 [ 230.105947] ? __switch_to_asm+0x34/0x70 [ 230.110012] ? __switch_to_asm+0x34/0x70 [ 230.114080] ? __switch_to_asm+0x40/0x70 [ 230.118139] ? __switch_to_asm+0x34/0x70 [ 230.122196] ? __switch_to_asm+0x40/0x70 [ 230.126263] ? graph_lock+0x170/0x170 [ 230.130080] ? graph_lock+0x170/0x170 [ 230.133886] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.139422] ? wait_consider_task+0x245/0x3bb0 [ 230.144011] ? memset+0x31/0x40 [ 230.147308] ? find_held_lock+0x36/0x1c0 [ 230.151388] ? get_signal+0x95b/0x1980 [ 230.155282] ? _raw_spin_unlock_irq+0x27/0x80 [ 230.159783] ? _raw_spin_unlock_irq+0x27/0x80 [ 230.164295] do_group_exit+0x177/0x440 [ 230.168191] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 230.173646] ? __ia32_sys_exit+0x50/0x50 [ 230.177720] get_signal+0x8b0/0x1980 [ 230.181446] ? ptrace_notify+0x130/0x130 [ 230.185505] ? do_wait+0x57d/0xb90 [ 230.189061] ? wait_consider_task+0x3bb0/0x3bb0 [ 230.193729] ? graph_lock+0x170/0x170 [ 230.197527] ? graph_lock+0x170/0x170 [ 230.201333] ? graph_lock+0x170/0x170 [ 230.205151] do_signal+0x9c/0x21e0 [ 230.208691] ? find_held_lock+0x36/0x1c0 [ 230.212765] ? setup_sigcontext+0x7d0/0x7d0 [ 230.217092] ? kernel_wait4+0x2e0/0x3f0 [ 230.221074] ? __ia32_sys_waitid+0x140/0x140 [ 230.225515] ? task_stopped_code+0x190/0x190 [ 230.229933] ? exit_to_usermode_loop+0x8c/0x380 [ 230.234617] ? __do_page_fault+0x4a6/0xed0 [ 230.238858] ? do_syscall_64+0x9a/0x820 [ 230.242832] ? do_syscall_64+0x9a/0x820 [ 230.246821] exit_to_usermode_loop+0x2e5/0x380 [ 230.251411] ? syscall_slow_exit_work+0x520/0x520 [ 230.256269] do_syscall_64+0x6be/0x820 [ 230.260614] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 230.265986] ? syscall_return_slowpath+0x5e0/0x5e0 [ 230.270918] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 230.275765] ? trace_hardirqs_off+0x300/0x300 [ 230.280265] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 230.285284] ? prepare_exit_to_usermode+0x291/0x3b0 [ 230.290327] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 230.295197] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 230.300383] RIP: 0033:0x410e7a [ 230.303581] Code: Bad RIP value. [ 230.306940] RSP: 002b:00007ffdfa797988 EFLAGS: 00000246 ORIG_RAX: 000000000000003d [ 230.314650] RAX: fffffffffffffe00 RBX: 00000000000014f2 RCX: 0000000000410e7a [ 230.321918] RDX: 0000000040000000 RSI: 00007ffdfa797994 RDI: ffffffffffffffff [ 230.329183] RBP: 0000000000930b28 R08: 00000000000014e7 R09: 00000000024eb940 [ 230.336448] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010 [ 230.343718] R13: 0000000000412a80 R14: 0000000000000000 R15: 0000000000000000 [ 230.351009] warn_alloc_show_mem: 1 callbacks suppressed [ 230.351022] CPU: 0 PID: 9562 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51 [ 230.351024] Mem-Info: [ 230.351062] active_anon:43308 inactive_anon:372 isolated_anon:0 [ 230.351062] active_file:9 inactive_file:26 isolated_file:0 [ 230.351062] unevictable:0 dirty:0 writeback:0 unstable:0 [ 230.351062] slab_reclaimable:8855 slab_unreclaimable:1462387 [ 230.351062] mapped:57522 shmem:379 pagetables:727 bounce:0 [ 230.351062] free:13711 free_pcp:202 free_cma:0 [ 230.356407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 230.356416] Call Trace: [ 230.363610] Node 0 active_anon:173232kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 230.366006] [ 230.398784] Node 0 [ 230.408142] dump_stack+0x1c4/0x2b4 [ 230.410724] 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 [ 230.438467] ? dump_stack_print_info.cold.2+0x52/0x52 [ 230.440598] lowmem_reserve[]: [ 230.442840] warn_alloc.cold.118+0xb7/0x1bd [ 230.446435] 0 [ 230.471942] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 230.477105] 2817 6321 [ 230.480216] ? lock_downgrade+0x900/0x900 [ 230.484513] 6321 [ 230.486319] ? trace_hardirqs_off+0xb8/0x300 [ 230.493616] ? trace_hardirqs_off+0xb8/0x300 [ 230.497734] Node 0 [ 230.499795] __alloc_pages_slowpath+0x2667/0x2d80 [ 230.504204] DMA32 free:24940kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 230.508605] ? warn_alloc+0x120/0x120 [ 230.510792] lowmem_reserve[]: [ 230.515627] ? warn_alloc+0x120/0x120 [ 230.542446] 0 0 [ 230.546280] ? print_usage_bug+0xc0/0xc0 [ 230.549359] 3503 [ 230.553152] ? warn_alloc+0x120/0x120 [ 230.555099] 3503 [ 230.559177] ? print_usage_bug+0xc0/0xc0 [ 230.561216] Node 0 [ 230.565009] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 230.567080] Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:169136kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5568kB pagetables:2908kB bounce:0kB free_pcp:808kB local_pcp:692kB free_cma:0kB [ 230.571112] ? ktime_get+0x2e1/0x440 [ 230.573322] lowmem_reserve[]: [ 230.578341] ? check_preemption_disabled+0x48/0x200 [ 230.606771] 0 [ 230.610488] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 230.613560] 0 0 [ 230.618577] ? should_fail+0x22d/0xd01 [ 230.620353] 0 [ 230.625884] ? kasan_check_read+0x11/0x20 [ 230.631717] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 230.633493] Node 0 [ 230.637634] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 230.642883] DMA: [ 230.645116] ? __lock_acquire+0x7ec/0x4ec0 [ 230.650191] 1*4kB [ 230.652246] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 230.656454] (U) [ 230.658596] ? should_fail+0x22d/0xd01 [ 230.663668] 0*8kB 0*16kB [ 230.665656] ? mark_held_locks+0x130/0x130 [ 230.669510] 1*32kB [ 230.672259] ? mark_held_locks+0x130/0x130 [ 230.676467] (U) [ 230.678706] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.682912] 2*64kB [ 230.684885] ? graph_lock+0x170/0x170 [ 230.690391] (U) [ 230.692620] ? mark_held_locks+0xc7/0x130 [ 230.696394] 1*128kB [ 230.698367] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 230.702484] (U) [ 230.704804] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.709805] 1*256kB [ 230.711771] ? check_preemption_disabled+0x48/0x200 [ 230.717276] (U) [ 230.719597] ? check_preemption_disabled+0x48/0x200 [ 230.724584] 0*512kB [ 230.726561] ? __lock_is_held+0xb5/0x140 [ 230.731537] 1*1024kB (U) [ 230.733870] __alloc_pages_nodemask+0xa80/0xde0 [ 230.737983] 1*2048kB (M) [ 230.740740] ? graph_lock+0x170/0x170 [ 230.745384] 3*4096kB [ 230.748139] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 230.751905] (M) = 15908kB [ 230.754315] ? graph_lock+0x170/0x170 [ 230.759304] Node 0 DMA32: [ 230.762085] ? find_held_lock+0x36/0x1c0 [ 230.765850] 3*4kB [ 230.768693] ? ____cache_alloc_node+0x1c7/0x1e0 [ 230.772719] (UM) [ 230.774864] ? lock_downgrade+0x900/0x900 [ 230.779528] 2*8kB [ 230.781591] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.785705] (U) 5*16kB [ 230.787870] cache_grow_begin+0x91/0x8c0 [ 230.793379] (UM) [ 230.795961] ? do_raw_spin_unlock+0xa7/0x2f0 [ 230.799995] 2*32kB [ 230.802061] fallback_alloc+0x203/0x2e0 [ 230.806435] (UM) 3*64kB [ 230.808679] ____cache_alloc_node+0x1c7/0x1e0 [ 230.812620] (UM) 4*128kB [ 230.815296] kmem_cache_alloc_node+0xe3/0x730 [ 230.819756] (UM) 2*256kB [ 230.822518] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 230.826985] (M) [ 230.829736] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 230.834813] 4*512kB [ 230.836785] __alloc_skb+0x119/0x770 [ 230.841338] (UM) [ 230.843660] ? calc_wheel_index+0x220/0x220 [ 230.847346] 3*1024kB [ 230.849402] ? skb_scrub_packet+0x490/0x490 [ 230.853696] (M) [ 230.856106] ? vprintk_default+0x28/0x30 [ 230.860399] 1*2048kB [ 230.862366] ? vprintk_func+0x85/0x181 [ 230.866400] (U) [ 230.868802] ? printk+0xa7/0xcf [ 230.872669] 4*4096kB (M) [ 230.874667] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 230.877921] = 24940kB [ 230.880676] new_skb+0x26/0x1c0 [ 230.885402] Node 0 [ 230.887802] aoecmd_cfg+0x279/0x7f0 [ 230.891070] Normal: [ 230.893309] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 230.896901] 667*4kB [ 230.899221] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 230.903516] (UMEH) [ 230.905836] ? check_preemption_disabled+0x48/0x200 [ 230.911338] 358*8kB (UMEH) [ 230.913577] ? check_preemption_disabled+0x48/0x200 [ 230.918565] 191*16kB [ 230.921501] ? __lock_is_held+0xb5/0x140 [ 230.926485] (UMEH) [ 230.928913] discover_timer+0x50/0x60 [ 230.932941] 81*32kB [ 230.935173] call_timer_fn+0x272/0x920 [ 230.938944] (UMEH) [ 230.941261] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 230.945126] 30*64kB [ 230.947354] ? process_timeout+0x40/0x40 [ 230.952169] (UMH) [ 230.954484] ? find_held_lock+0x36/0x1c0 [ 230.958524] 1*128kB [ 230.960671] ? __run_timers+0x7da/0xc70 [ 230.964701] (M) [ 230.967023] ? _raw_spin_unlock_irq+0x27/0x80 [ 230.970971] 3*256kB [ 230.972938] ? _raw_spin_unlock_irq+0x27/0x80 [ 230.977407] (UH) [ 230.979726] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 230.984197] 0*512kB [ 230.986252] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 230.991068] 0*1024kB [ 230.993383] ? trace_hardirqs_on+0xbd/0x310 [ 230.997941] 0*2048kB [ 231.000348] ? kasan_check_read+0x11/0x20 [ 231.004640] 0*4096kB [ 231.007076] ? __run_timers+0x7da/0xc70 [ 231.011213] = 13996kB [ 231.013621] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 231.017576] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 231.019977] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 231.025403] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 231.034226] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 231.038438] 414 total pagecache pages [ 231.047008] __run_timers+0x7e5/0xc70 [ 231.051833] 0 pages in swap cache [ 231.055634] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 231.059401] Swap cache stats: add 0, delete 0, find 0/0 [ 231.062848] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 231.068185] Free swap = 0kB [ 231.073540] ? graph_lock+0x170/0x170 [ 231.078530] Total swap = 0kB [ 231.081541] ? enqueue_hrtimer+0x1a5/0x560 [ 231.085317] 1965979 pages RAM [ 231.088332] ? lock_release+0x970/0x970 [ 231.092545] 0 pages HighMem/MovableOnly [ 231.095645] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 231.099595] 342744 pages reserved [ 231.103564] ? find_held_lock+0x36/0x1c0 [ 231.108728] 0 pages cma reserved [ 231.112173] ? graph_lock+0x170/0x170 [ 231.116265] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 231.119562] ? pvclock_read_flags+0x160/0x160 [ 231.119579] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.119599] ? check_preemption_disabled+0x48/0x200 [ 231.123432] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 231.130073] ? __lock_is_held+0xb5/0x140 [ 231.134544] syz-executor1 cpuset= [ 231.140079] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.145069] / [ 231.155561] ? check_preemption_disabled+0x48/0x200 [ 231.159594] mems_allowed=0 [ 231.163073] run_timer_softirq+0x52/0xb0 [ 231.182261] ? rcu_read_lock_sched_held+0x108/0x120 [ 231.187283] __do_softirq+0x30b/0xad8 [ 231.191104] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 231.196215] ? pvclock_read_flags+0x160/0x160 [ 231.200770] ? lapic_next_event+0x5a/0x90 [ 231.204921] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.210464] ? check_preemption_disabled+0x48/0x200 [ 231.215482] ? check_preemption_disabled+0x48/0x200 [ 231.220508] ? kvm_clock_read+0x18/0x30 [ 231.224483] ? kvm_sched_clock_read+0x9/0x20 [ 231.228899] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.234442] ? check_preemption_disabled+0x48/0x200 [ 231.239470] irq_exit+0x17f/0x1c0 [ 231.242932] smp_apic_timer_interrupt+0x1cb/0x760 [ 231.247773] ? smp_reschedule_interrupt+0x109/0x650 [ 231.252796] ? smp_call_function_single_interrupt+0x650/0x650 [ 231.258685] ? interrupt_entry+0xb5/0xf0 [ 231.262749] ? trace_hardirqs_off_caller+0xbb/0x300 [ 231.267769] ? trace_hardirqs_off_caller+0xbb/0x300 [ 231.272788] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 231.277632] ? trace_hardirqs_off+0x300/0x300 [ 231.282129] ? trace_hardirqs_off+0x300/0x300 [ 231.286626] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 231.292167] ? check_preemption_disabled+0x48/0x200 [ 231.297185] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 231.302736] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 231.307589] apic_timer_interrupt+0xf/0x20 [ 231.311820] [ 231.314065] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 231.318995] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 231.337983] RSP: 0000:ffff88019f217748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 231.345691] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 231.352957] RDX: 0000000000000000 RSI: ffff88019f972d00 RDI: 0000000000000282 [ 231.360228] RBP: ffff88019f2177b0 R08: ffff88019f972480 R09: 0000000000000000 [ 231.367492] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 231.374763] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 231.382088] skb_clone+0x1bb/0x500 [ 231.385638] ? finish_task_switch+0x2f5/0x900 [ 231.390140] ? skb_split+0x11e0/0x11e0 [ 231.394033] ? preempt_notifier_register+0x200/0x200 [ 231.399146] ? __switch_to_asm+0x34/0x70 [ 231.403208] ? __switch_to_asm+0x34/0x70 [ 231.407269] ? __switch_to_asm+0x40/0x70 [ 231.411334] ? __switch_to_asm+0x34/0x70 [ 231.415392] ? __switch_to_asm+0x40/0x70 [ 231.419449] ? __switch_to_asm+0x34/0x70 [ 231.423508] ? __switch_to_asm+0x40/0x70 [ 231.427567] ? __switch_to_asm+0x34/0x70 [ 231.431630] ? __switch_to_asm+0x34/0x70 [ 231.435688] ? __switch_to_asm+0x40/0x70 [ 231.439749] ? __switch_to_asm+0x34/0x70 [ 231.443818] bpf_clone_redirect+0xb9/0x490 [ 231.448078] ? __schedule+0x874/0x1ed0 [ 231.451974] bpf_prog_a2323609a0d1adb1+0x624/0x1000 [ 231.456994] ? __sched_text_start+0x8/0x8 [ 231.461145] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 231.465914] ? find_held_lock+0x36/0x1c0 [ 231.469984] ? lock_acquire+0x1ed/0x520 [ 231.473961] ? bpf_test_run+0x32e/0x5a0 [ 231.477937] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.483479] ? check_preemption_disabled+0x48/0x200 [ 231.488504] ? kasan_check_read+0x11/0x20 [ 231.492655] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 231.497936] ? rcu_bh_qs+0xc0/0xc0 [ 231.501478] ? preempt_schedule+0x4d/0x60 [ 231.505625] ? ___preempt_schedule+0x16/0x18 [ 231.510048] ? bpf_test_run+0x1c0/0x5a0 [ 231.514045] ? netlink_diag_dump+0x2a0/0x2a0 [ 231.518459] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 231.523998] ? bpf_test_init.isra.9+0x70/0x100 [ 231.528584] ? bpf_prog_test_run_skb+0x634/0xb40 [ 231.533346] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 231.538190] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 231.543723] ? fput+0x130/0x1a0 [ 231.547007] ? __bpf_prog_get+0x9b/0x290 [ 231.551080] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 231.555932] ? bpf_prog_test_run+0x130/0x1a0 [ 231.560344] ? __x64_sys_bpf+0x3d8/0x510 [ 231.564406] ? bpf_prog_get+0x20/0x20 [ 231.568231] ? do_syscall_64+0x1b9/0x820 [ 231.572295] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 231.577669] ? syscall_return_slowpath+0x5e0/0x5e0 [ 231.582604] ? trace_hardirqs_off+0x300/0x300 [ 231.587100] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 231.592118] ? recalc_sigpending_tsk+0x180/0x180 [ 231.596882] ? kasan_check_write+0x14/0x20 [ 231.601125] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 231.605988] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 231.611387] CPU: 1 PID: 5351 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51 [ 231.611471] aoe: skb alloc failure [ 231.618576] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 231.618581] Call Trace: [ 231.618588] [ 231.618604] dump_stack+0x1c4/0x2b4 [ 231.618624] ? dump_stack_print_info.cold.2+0x52/0x52 [ 231.622177] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 231.631508] warn_alloc.cold.118+0xb7/0x1bd [ 231.634124] syz-executor0 cpuset= [ 231.636270] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 231.639890] syz0 [ 231.645080] ? lock_downgrade+0x900/0x900 [ 231.655541] mems_allowed=0 [ 231.659859] ? trace_hardirqs_off+0xb8/0x300 [ 231.681521] ? trace_hardirqs_off+0xb8/0x300 [ 231.685942] __alloc_pages_slowpath+0x2667/0x2d80 [ 231.690850] ? warn_alloc+0x120/0x120 [ 231.694657] ? warn_alloc+0x120/0x120 [ 231.698465] ? print_usage_bug+0xc0/0xc0 [ 231.702531] ? warn_alloc+0x120/0x120 [ 231.706337] ? print_usage_bug+0xc0/0xc0 [ 231.710405] ? __lock_acquire+0x7ec/0x4ec0 [ 231.714642] ? __lock_acquire+0x7ec/0x4ec0 [ 231.718890] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 231.724433] ? should_fail+0x22d/0xd01 [ 231.728334] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 231.733439] ? __lock_acquire+0x7ec/0x4ec0 [ 231.737680] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 231.742784] ? __lock_acquire+0x7ec/0x4ec0 [ 231.747024] ? should_fail+0x22d/0xd01 [ 231.750933] ? mark_held_locks+0x130/0x130 [ 231.755173] ? mark_held_locks+0x130/0x130 [ 231.759412] ? graph_lock+0x170/0x170 [ 231.763212] ? graph_lock+0x170/0x170 [ 231.767020] ? graph_lock+0x170/0x170 [ 231.770918] ? print_usage_bug+0xc0/0xc0 [ 231.774984] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.780525] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.786076] ? check_preemption_disabled+0x48/0x200 [ 231.791099] ? check_preemption_disabled+0x48/0x200 [ 231.796130] ? __lock_is_held+0xb5/0x140 [ 231.800198] __alloc_pages_nodemask+0xa80/0xde0 [ 231.804873] ? graph_lock+0x170/0x170 [ 231.808702] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 231.813720] ? graph_lock+0x170/0x170 [ 231.817539] ? find_held_lock+0x36/0x1c0 [ 231.821612] ? ____cache_alloc_node+0x1c7/0x1e0 [ 231.826286] ? lock_downgrade+0x900/0x900 [ 231.830445] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.835989] cache_grow_begin+0x91/0x8c0 [ 231.840059] ? do_raw_spin_unlock+0xa7/0x2f0 [ 231.844491] fallback_alloc+0x203/0x2e0 [ 231.848488] ____cache_alloc_node+0x1c7/0x1e0 [ 231.852998] kmem_cache_alloc_node+0xe3/0x730 [ 231.857521] ? ipv6_get_ifaddr+0x42e/0x620 [ 231.861768] __alloc_skb+0x119/0x770 [ 231.865490] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 231.870772] ? skb_scrub_packet+0x490/0x490 [ 231.875098] ? lock_downgrade+0x900/0x900 [ 231.879261] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 231.884811] ? refcount_sub_and_test_checked+0x203/0x310 [ 231.890273] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 231.895727] ? addrconf_rs_timer+0x6f0/0x6f0 [ 231.900150] ndisc_alloc_skb+0x144/0x340 [ 231.904219] ndisc_send_rs+0x331/0x6e0 [ 231.908117] addrconf_rs_timer+0x3c0/0x6f0 [ 231.912359] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 231.916607] call_timer_fn+0x272/0x920 [ 231.920493] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 231.924734] ? process_timeout+0x40/0x40 [ 231.928792] ? find_held_lock+0x36/0x1c0 [ 231.932874] ? __run_timers+0x7da/0xc70 [ 231.936856] ? _raw_spin_unlock_irq+0x27/0x80 [ 231.941353] ? _raw_spin_unlock_irq+0x27/0x80 [ 231.945851] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 231.950087] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 231.954671] ? trace_hardirqs_on+0xbd/0x310 [ 231.958994] ? kasan_check_read+0x11/0x20 [ 231.963147] ? __run_timers+0x7da/0xc70 [ 231.967128] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 231.972585] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 231.976830] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 231.981074] __run_timers+0x7e5/0xc70 [ 231.984894] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 231.990264] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 231.995280] ? graph_lock+0x170/0x170 [ 231.999085] ? enqueue_hrtimer+0x1a5/0x560 [ 232.003319] ? lock_release+0x970/0x970 [ 232.007299] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 232.012499] ? find_held_lock+0x36/0x1c0 [ 232.016591] ? pvclock_read_flags+0x160/0x160 [ 232.021090] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.026629] ? check_preemption_disabled+0x48/0x200 [ 232.031664] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 232.037218] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 232.042499] ? rcu_pm_notify+0xc0/0xc0 [ 232.046396] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.051939] ? check_preemption_disabled+0x48/0x200 [ 232.056975] run_timer_softirq+0x52/0xb0 [ 232.061045] ? rcu_read_lock_sched_held+0x108/0x120 [ 232.066074] __do_softirq+0x30b/0xad8 [ 232.069891] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 232.075000] ? pvclock_read_flags+0x160/0x160 [ 232.079677] ? lapic_next_event+0x5a/0x90 [ 232.083833] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.089377] ? check_preemption_disabled+0x48/0x200 [ 232.094398] ? check_preemption_disabled+0x48/0x200 [ 232.099419] ? kvm_clock_read+0x18/0x30 [ 232.103394] ? kvm_sched_clock_read+0x9/0x20 [ 232.107810] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.113351] ? check_preemption_disabled+0x48/0x200 [ 232.118384] irq_exit+0x17f/0x1c0 [ 232.121844] smp_apic_timer_interrupt+0x1cb/0x760 [ 232.126691] ? smp_reschedule_interrupt+0x109/0x650 [ 232.131709] ? smp_call_function_single_interrupt+0x650/0x650 [ 232.137596] ? interrupt_entry+0xb5/0xf0 [ 232.141660] ? trace_hardirqs_off_caller+0xbb/0x300 [ 232.146683] ? trace_hardirqs_off_caller+0xbb/0x300 [ 232.151703] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 232.156547] ? trace_hardirqs_off+0x300/0x300 [ 232.161060] ? trace_hardirqs_off+0x300/0x300 [ 232.165559] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.171103] ? check_preemption_disabled+0x48/0x200 [ 232.176122] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.181667] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 232.186520] apic_timer_interrupt+0xf/0x20 [ 232.190748] [ 232.192987] RIP: 0010:_raw_write_unlock_irq+0x56/0x80 [ 232.198181] Code: 52 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d ab aa 92 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 f0 ec 95 f9 65 8b 05 a9 6e 42 78 85 c0 74 05 5b [ 232.217084] RSP: 0018:ffff8801d8cf7350 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 232.224805] RAX: dffffc0000000000 RBX: ffffffff894090c0 RCX: 0000000000000000 [ 232.232077] RDX: 1ffffffff12a4537 RSI: 0000000000000001 RDI: ffffffff895229b8 [ 232.239349] RBP: ffff8801d8cf7358 R08: ffff8801c24ca580 R09: 0000000000000000 [ 232.246615] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d70737c0 [ 232.253881] R13: ffff8801d8cf7490 R14: 0000000000000000 R15: ffff8801c24cab00 [ 232.261691] do_exit+0x11ef/0x2610 [ 232.265238] ? mem_cgroup_commit_charge+0x275/0x9d0 [ 232.270268] ? mm_update_next_owner+0x990/0x990 [ 232.274945] ? print_usage_bug+0xc0/0xc0 [ 232.279011] ? graph_lock+0x170/0x170 [ 232.282848] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.288415] ? check_preemption_disabled+0x48/0x200 [ 232.293432] ? check_preemption_disabled+0x48/0x200 [ 232.298450] ? print_usage_bug+0xc0/0xc0 [ 232.302519] ? __lock_acquire+0x7ec/0x4ec0 [ 232.306760] ? __lock_acquire+0x7ec/0x4ec0 [ 232.311017] ? mark_held_locks+0x130/0x130 [ 232.315274] ? mark_held_locks+0x130/0x130 [ 232.319514] ? finish_task_switch+0x1b5/0x900 [ 232.324010] ? __switch_to_asm+0x34/0x70 [ 232.328085] ? __switch_to_asm+0x34/0x70 [ 232.332149] ? __switch_to_asm+0x34/0x70 [ 232.336211] ? __switch_to_asm+0x40/0x70 [ 232.340270] ? __switch_to_asm+0x34/0x70 [ 232.344332] ? __switch_to_asm+0x40/0x70 [ 232.348389] ? __switch_to_asm+0x34/0x70 [ 232.352450] ? __switch_to_asm+0x34/0x70 [ 232.356510] ? __switch_to_asm+0x34/0x70 [ 232.360602] ? __switch_to_asm+0x34/0x70 [ 232.364663] ? __switch_to_asm+0x40/0x70 [ 232.368722] ? __switch_to_asm+0x34/0x70 [ 232.372787] ? __switch_to_asm+0x40/0x70 [ 232.376862] ? graph_lock+0x170/0x170 [ 232.380669] ? graph_lock+0x170/0x170 [ 232.384475] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.390017] ? wait_consider_task+0x245/0x3bb0 [ 232.394610] ? memset+0x31/0x40 [ 232.397899] ? find_held_lock+0x36/0x1c0 [ 232.401972] ? get_signal+0x95b/0x1980 [ 232.405865] ? _raw_spin_unlock_irq+0x27/0x80 [ 232.410362] ? _raw_spin_unlock_irq+0x27/0x80 [ 232.414870] do_group_exit+0x177/0x440 [ 232.418767] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 232.424222] ? __ia32_sys_exit+0x50/0x50 [ 232.428302] get_signal+0x8b0/0x1980 [ 232.432030] ? ptrace_notify+0x130/0x130 [ 232.436099] ? do_wait+0x57d/0xb90 [ 232.439647] ? wait_consider_task+0x3bb0/0x3bb0 [ 232.444318] ? graph_lock+0x170/0x170 [ 232.448119] ? graph_lock+0x170/0x170 [ 232.451925] ? graph_lock+0x170/0x170 [ 232.455748] do_signal+0x9c/0x21e0 [ 232.459293] ? find_held_lock+0x36/0x1c0 [ 232.463371] ? setup_sigcontext+0x7d0/0x7d0 [ 232.467692] ? kernel_wait4+0x2e0/0x3f0 [ 232.471673] ? __ia32_sys_waitid+0x140/0x140 [ 232.476098] ? task_stopped_code+0x190/0x190 [ 232.480515] ? exit_to_usermode_loop+0x8c/0x380 [ 232.485201] ? __do_page_fault+0x4a6/0xed0 [ 232.489443] ? do_syscall_64+0x9a/0x820 [ 232.493423] ? do_syscall_64+0x9a/0x820 [ 232.497403] exit_to_usermode_loop+0x2e5/0x380 [ 232.501990] ? syscall_slow_exit_work+0x520/0x520 [ 232.506849] do_syscall_64+0x6be/0x820 [ 232.510737] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 232.516107] ? syscall_return_slowpath+0x5e0/0x5e0 [ 232.521046] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 232.525894] ? trace_hardirqs_off+0x300/0x300 [ 232.530390] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 232.535411] ? prepare_exit_to_usermode+0x291/0x3b0 [ 232.540456] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 232.545313] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 232.550502] RIP: 0033:0x410e7a [ 232.553700] Code: Bad RIP value. [ 232.557071] RSP: 002b:00007ffdfa797988 EFLAGS: 00000246 ORIG_RAX: 000000000000003d [ 232.564779] RAX: fffffffffffffe00 RBX: 00000000000014f2 RCX: 0000000000410e7a [ 232.572058] RDX: 0000000040000000 RSI: 00007ffdfa797994 RDI: ffffffffffffffff [ 232.579330] RBP: 0000000000930b28 R08: 00000000000014e7 R09: 00000000024eb940 [ 232.586594] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010 [ 232.593863] R13: 0000000000412a80 R14: 0000000000000000 R15: 0000000000000000 [ 232.601151] warn_alloc_show_mem: 1 callbacks suppressed [ 232.601164] CPU: 0 PID: 9562 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51 [ 232.601166] Mem-Info: [ 232.601195] active_anon:43308 inactive_anon:372 isolated_anon:0 [ 232.601195] active_file:9 inactive_file:26 isolated_file:0 [ 232.601195] unevictable:0 dirty:0 writeback:0 unstable:0 [ 232.601195] slab_reclaimable:8855 slab_unreclaimable:1462387 [ 232.601195] mapped:57522 shmem:379 pagetables:727 bounce:0 [ 232.601195] free:13711 free_pcp:202 free_cma:0 [ 232.606540] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 232.613747] Node 0 active_anon:173232kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 232.616145] Call Trace: [ 232.649113] Node 0 [ 232.658457] [ 232.686224] 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 [ 232.688780] dump_stack+0x1c4/0x2b4 [ 232.690993] lowmem_reserve[]: [ 232.693140] ? dump_stack_print_info.cold.2+0x52/0x52 [ 232.718658] 0 [ 232.722304] warn_alloc.cold.118+0xb7/0x1bd [ 232.725367] 2817 [ 232.730549] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 232.732325] 6321 [ 232.736641] ? lock_downgrade+0x900/0x900 [ 232.738677] 6321 [ 232.743517] ? trace_hardirqs_off+0xb8/0x300 [ 232.749696] ? trace_hardirqs_off+0xb8/0x300 [ 232.751735] Node 0 [ 232.756140] __alloc_pages_slowpath+0x2667/0x2d80 [ 232.760543] DMA32 free:24940kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 232.762771] ? warn_alloc+0x120/0x120 [ 232.767562] lowmem_reserve[]: [ 232.794360] ? __lock_acquire+0x7ec/0x4ec0 [ 232.798138] 0 [ 232.801241] ? warn_alloc+0x120/0x120 [ 232.805449] 0 [ 232.807246] ? print_usage_bug+0xc0/0xc0 [ 232.811021] 3503 [ 232.812825] ? warn_alloc+0x120/0x120 [ 232.816866] 3503 [ 232.818922] ? print_usage_bug+0xc0/0xc0 [ 232.822696] Node 0 [ 232.824757] ? mark_held_locks+0x130/0x130 [ 232.828838] Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:169136kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5568kB pagetables:2908kB bounce:0kB free_pcp:808kB local_pcp:692kB free_cma:0kB [ 232.831026] ? mark_held_locks+0x130/0x130 [ 232.835241] lowmem_reserve[]: [ 232.863702] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 232.867912] 0 [ 232.871011] ? should_fail+0x22d/0xd01 [ 232.876520] 0 [ 232.878323] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.882183] 0 [ 232.883984] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 232.889494] 0 [ 232.891291] ? __lock_acquire+0x7ec/0x4ec0 [ 232.896369] Node 0 [ 232.898166] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 232.902374] DMA: [ 232.904603] ? should_fail+0x22d/0xd01 [ 232.909683] 1*4kB [ 232.911753] ? __sanitizer_cov_trace_const_cmp1+0x10/0x20 [ 232.915614] (U) [ 232.917767] ? mark_held_locks+0x130/0x130 [ 232.923274] 0*8kB [ 232.925243] ? mark_held_locks+0x130/0x130 [ 232.929471] 0*16kB [ 232.931614] ? graph_lock+0x170/0x170 [ 232.935826] 1*32kB [ 232.938061] ? graph_lock+0x170/0x170 [ 232.941838] (U) [ 232.944076] ? print_usage_bug+0xc0/0xc0 [ 232.947846] 2*64kB (U) [ 232.949829] ? do_raw_spin_unlock+0xa7/0x2f0 [ 232.953860] 1*128kB (U) [ 232.956446] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 232.960826] 1*256kB (U) [ 232.963515] ? check_preemption_disabled+0x48/0x200 [ 232.969024] 0*512kB [ 232.971698] ? check_preemption_disabled+0x48/0x200 [ 232.976692] 1*1024kB [ 232.979013] ? __lock_is_held+0xb5/0x140 [ 232.984000] (U) [ 232.986407] __alloc_pages_nodemask+0xa80/0xde0 [ 232.990444] 1*2048kB [ 232.992415] ? graph_lock+0x170/0x170 [ 232.997072] (M) [ 232.999484] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 233.003256] 3*4096kB [ 233.005220] ? graph_lock+0x170/0x170 [ 233.010220] (M) [ 233.012630] ? find_held_lock+0x36/0x1c0 [ 233.016397] = 15908kB [ 233.018371] ? ____cache_alloc_node+0x1c7/0x1e0 [ 233.022401] Node 0 [ 233.024803] ? lock_downgrade+0x900/0x900 [ 233.029450] DMA32: [ 233.031683] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.035807] 3*4kB [ 233.038047] cache_grow_begin+0x91/0x8c0 [ 233.043553] (UM) [ 233.045712] ? do_raw_spin_unlock+0xa7/0x2f0 [ 233.049748] 2*8kB [ 233.051808] fallback_alloc+0x203/0x2e0 [ 233.056188] (U) [ 233.058338] ____cache_alloc_node+0x1c7/0x1e0 [ 233.062285] 5*16kB [ 233.064265] kmem_cache_alloc_node+0xe3/0x730 [ 233.068731] (UM) [ 233.070963] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 233.075431] 2*32kB [ 233.077490] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 233.082569] (UM) [ 233.084805] __alloc_skb+0x119/0x770 [ 233.089362] 3*64kB [ 233.091422] ? calc_wheel_index+0x220/0x220 [ 233.095120] (UM) [ 233.097348] ? skb_scrub_packet+0x490/0x490 [ 233.101649] 4*128kB [ 233.103728] ? vprintk_default+0x28/0x30 [ 233.108018] (UM) [ 233.110341] ? vprintk_func+0x85/0x181 [ 233.114393] 2*256kB [ 233.116464] ? printk+0xa7/0xcf [ 233.120323] (M) [ 233.122641] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 233.126190] 4*512kB (UM) [ 233.128183] new_skb+0x26/0x1c0 [ 233.132910] 3*1024kB [ 233.135676] aoecmd_cfg+0x279/0x7f0 [ 233.138931] (M) [ 233.141336] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 233.144938] 1*2048kB [ 233.146909] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.151203] (U) [ 233.153610] ? check_preemption_disabled+0x48/0x200 [ 233.159136] 4*4096kB (M) [ 233.161119] ? check_preemption_disabled+0x48/0x200 [ 233.166111] = 24940kB [ 233.168870] ? __lock_is_held+0xb5/0x140 [ 233.173854] Node 0 [ 233.176269] discover_timer+0x50/0x60 [ 233.180301] Normal: 667*4kB [ 233.182543] call_timer_fn+0x272/0x920 [ 233.186317] (UMEH) [ 233.189332] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 233.193191] 358*8kB (UMEH) [ 233.195429] ? process_timeout+0x40/0x40 [ 233.200249] 191*16kB [ 233.203169] ? find_held_lock+0x36/0x1c0 [ 233.207202] (UMEH) [ 233.209609] ? __run_timers+0x7da/0xc70 [ 233.213638] 81*32kB [ 233.215867] ? _raw_spin_unlock_irq+0x27/0x80 [ 233.219814] (UMEH) [ 233.222145] ? _raw_spin_unlock_irq+0x27/0x80 [ 233.226635] 30*64kB [ 233.228868] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 233.233339] (UMH) [ 233.235657] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 233.240503] 1*128kB [ 233.242643] ? trace_hardirqs_on+0xbd/0x310 [ 233.247213] (M) [ 233.249531] ? kasan_check_read+0x11/0x20 [ 233.253825] 3*256kB [ 233.255805] ? __run_timers+0x7da/0xc70 [ 233.259945] (UH) [ 233.262261] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 233.266210] 0*512kB [ 233.268270] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 233.273693] 0*1024kB [ 233.276015] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 233.280217] 0*2048kB 0*4096kB [ 233.282629] __run_timers+0x7e5/0xc70 [ 233.287445] = 13996kB [ 233.290642] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 233.294413] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 233.296819] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 233.302160] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 233.310981] ? graph_lock+0x170/0x170 [ 233.315976] 414 total pagecache pages [ 233.324555] ? enqueue_hrtimer+0x1a5/0x560 [ 233.328341] 0 pages in swap cache [ 233.332136] ? lock_release+0x970/0x970 [ 233.336352] Swap cache stats: add 0, delete 0, find 0/0 [ 233.339796] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 233.343782] Free swap = 0kB [ 233.349140] ? find_held_lock+0x36/0x1c0 [ 233.354298] Total swap = 0kB [ 233.357330] ? graph_lock+0x170/0x170 [ 233.361368] 1965979 pages RAM [ 233.364377] ? pvclock_read_flags+0x160/0x160 [ 233.368145] 0 pages HighMem/MovableOnly [ 233.368154] 342744 pages reserved [ 233.371253] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.375717] 0 pages cma reserved [ 233.375789] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 233.379693] ? check_preemption_disabled+0x48/0x200 [ 233.379718] ? __lock_is_held+0xb5/0x140 [ 233.379735] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.383226] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 233.388703] ? check_preemption_disabled+0x48/0x200 [ 233.392068] syz-executor1 cpuset= [ 233.398557] run_timer_softirq+0x52/0xb0 [ 233.403545] / [ 233.407599] ? rcu_read_lock_sched_held+0x108/0x120 [ 233.413117] mems_allowed=0 [ 233.423780] __do_softirq+0x30b/0xad8 [ 233.449676] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 233.454792] ? pvclock_read_flags+0x160/0x160 [ 233.459307] ? lapic_next_event+0x5a/0x90 [ 233.463460] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.469012] ? check_preemption_disabled+0x48/0x200 [ 233.474050] ? check_preemption_disabled+0x48/0x200 [ 233.479087] ? kvm_clock_read+0x18/0x30 [ 233.483067] ? kvm_sched_clock_read+0x9/0x20 [ 233.487480] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.493020] ? check_preemption_disabled+0x48/0x200 [ 233.498066] irq_exit+0x17f/0x1c0 [ 233.501528] smp_apic_timer_interrupt+0x1cb/0x760 [ 233.506369] ? smp_reschedule_interrupt+0x109/0x650 [ 233.511386] ? smp_call_function_single_interrupt+0x650/0x650 [ 233.517271] ? interrupt_entry+0xb5/0xf0 [ 233.521338] ? trace_hardirqs_off_caller+0xbb/0x300 [ 233.526352] ? trace_hardirqs_off_caller+0xbb/0x300 [ 233.531367] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 233.536209] ? trace_hardirqs_off+0x300/0x300 [ 233.540734] ? trace_hardirqs_off+0x300/0x300 [ 233.545231] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 233.550771] ? check_preemption_disabled+0x48/0x200 [ 233.555786] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 233.561340] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 233.566195] apic_timer_interrupt+0xf/0x20 [ 233.570421] [ 233.572659] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 233.577587] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 233.596485] RSP: 0000:ffff88019f217748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 233.604193] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 233.611459] RDX: 0000000000000000 RSI: ffff88019f972d00 RDI: 0000000000000282 [ 233.618728] RBP: ffff88019f2177b0 R08: ffff88019f972480 R09: 0000000000000000 [ 233.625993] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 233.633260] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 233.640575] skb_clone+0x1bb/0x500 [ 233.644120] ? finish_task_switch+0x2f5/0x900 [ 233.648640] ? skb_split+0x11e0/0x11e0 [ 233.652536] ? preempt_notifier_register+0x200/0x200 [ 233.657639] ? __switch_to_asm+0x34/0x70 [ 233.661700] ? __switch_to_asm+0x34/0x70 [ 233.665759] ? __switch_to_asm+0x40/0x70 [ 233.669815] ? __switch_to_asm+0x34/0x70 [ 233.673878] ? __switch_to_asm+0x40/0x70 [ 233.677949] ? __switch_to_asm+0x34/0x70 [ 233.682012] ? __switch_to_asm+0x40/0x70 [ 233.686079] ? __switch_to_asm+0x34/0x70 [ 233.690170] ? __switch_to_asm+0x34/0x70 [ 233.694231] ? __switch_to_asm+0x40/0x70 [ 233.698292] ? __switch_to_asm+0x34/0x70 [ 233.702370] bpf_clone_redirect+0xb9/0x490 [ 233.706607] ? __schedule+0x874/0x1ed0 [ 233.710499] bpf_prog_a2323609a0d1adb1+0x624/0x1000 [ 233.715520] ? __sched_text_start+0x8/0x8 [ 233.719671] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 233.724440] ? find_held_lock+0x36/0x1c0 [ 233.728509] ? lock_acquire+0x1ed/0x520 [ 233.732481] ? bpf_test_run+0x32e/0x5a0 [ 233.736456] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 233.741995] ? check_preemption_disabled+0x48/0x200 [ 233.747018] ? kasan_check_read+0x11/0x20 [ 233.751180] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 233.756461] ? rcu_bh_qs+0xc0/0xc0 [ 233.760005] ? preempt_schedule+0x4d/0x60 [ 233.764174] ? ___preempt_schedule+0x16/0x18 [ 233.768590] ? bpf_test_run+0x1c0/0x5a0 [ 233.772574] ? netlink_diag_dump+0x2a0/0x2a0 [ 233.777014] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 233.782563] ? bpf_test_init.isra.9+0x70/0x100 [ 233.787168] ? bpf_prog_test_run_skb+0x634/0xb40 [ 233.791936] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 233.796782] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 233.802342] ? fput+0x130/0x1a0 [ 233.805626] ? __bpf_prog_get+0x9b/0x290 [ 233.809687] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 233.814555] ? bpf_prog_test_run+0x130/0x1a0 [ 233.818972] ? __x64_sys_bpf+0x3d8/0x510 [ 233.823037] ? bpf_prog_get+0x20/0x20 [ 233.826867] ? do_syscall_64+0x1b9/0x820 [ 233.830931] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 233.836296] ? syscall_return_slowpath+0x5e0/0x5e0 [ 233.841234] ? trace_hardirqs_off+0x300/0x300 [ 233.845731] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 233.850746] ? recalc_sigpending_tsk+0x180/0x180 [ 233.855504] ? kasan_check_write+0x14/0x20 [ 233.859745] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 233.864597] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 233.869979] CPU: 1 PID: 5351 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51 [ 233.870057] aoe: skb alloc failure [ 233.877172] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 233.877178] Call Trace: [ 233.877185] [ 233.877200] dump_stack+0x1c4/0x2b4 [ 233.877220] ? dump_stack_print_info.cold.2+0x52/0x52 [ 233.880789] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 233.890140] warn_alloc.cold.118+0xb7/0x1bd [ 233.892694] syz-executor0 cpuset= [ 233.894838] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 233.898439] syz0 [ 233.903625] ? lock_downgrade+0x900/0x900 [ 233.914084] mems_allowed=0 [ 233.918398] ? trace_hardirqs_off+0xb8/0x300 [ 233.940060] ? trace_hardirqs_off+0xb8/0x300 [ 233.944481] __alloc_pages_slowpath+0x2667/0x2d80 [ 233.949364] ? warn_alloc+0x120/0x120 [ 233.953170] ? warn_alloc+0x120/0x120 [ 233.956978] ? print_usage_bug+0xc0/0xc0 [ 233.961049] ? warn_alloc+0x120/0x120 [ 233.964857] ? print_usage_bug+0xc0/0xc0 [ 233.968931] ? __lock_acquire+0x7ec/0x4ec0 [ 233.973165] ? __lock_acquire+0x7ec/0x4ec0 [ 233.977408] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 233.982948] ? should_fail+0x22d/0xd01 [ 233.986843] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 233.991948] ? __lock_acquire+0x7ec/0x4ec0 [ 233.996188] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 234.001288] ? __lock_acquire+0x7ec/0x4ec0 [ 234.005520] ? should_fail+0x22d/0xd01 [ 234.009417] ? mark_held_locks+0x130/0x130 [ 234.013655] ? mark_held_locks+0x130/0x130 [ 234.017892] ? graph_lock+0x170/0x170 [ 234.021691] ? graph_lock+0x170/0x170 [ 234.025497] ? graph_lock+0x170/0x170 [ 234.029300] ? print_usage_bug+0xc0/0xc0 [ 234.033360] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.038899] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.044439] ? check_preemption_disabled+0x48/0x200 [ 234.049459] ? check_preemption_disabled+0x48/0x200 [ 234.054489] ? __lock_is_held+0xb5/0x140 [ 234.058557] __alloc_pages_nodemask+0xa80/0xde0 [ 234.063230] ? graph_lock+0x170/0x170 [ 234.067052] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 234.072077] ? graph_lock+0x170/0x170 [ 234.075891] ? find_held_lock+0x36/0x1c0 [ 234.079966] ? ____cache_alloc_node+0x1c7/0x1e0 [ 234.084640] ? lock_downgrade+0x900/0x900 [ 234.088796] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.094348] cache_grow_begin+0x91/0x8c0 [ 234.098417] ? do_raw_spin_unlock+0xa7/0x2f0 [ 234.102850] fallback_alloc+0x203/0x2e0 [ 234.106846] ____cache_alloc_node+0x1c7/0x1e0 [ 234.111356] kmem_cache_alloc_node+0xe3/0x730 [ 234.115857] ? ipv6_get_ifaddr+0x42e/0x620 [ 234.120124] __alloc_skb+0x119/0x770 [ 234.123845] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 234.129132] ? skb_scrub_packet+0x490/0x490 [ 234.133455] ? lock_downgrade+0x900/0x900 [ 234.137613] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.143151] ? refcount_sub_and_test_checked+0x203/0x310 [ 234.148607] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 234.154067] ? addrconf_rs_timer+0x6f0/0x6f0 [ 234.158493] ndisc_alloc_skb+0x144/0x340 [ 234.162561] ndisc_send_rs+0x331/0x6e0 [ 234.166460] addrconf_rs_timer+0x3c0/0x6f0 [ 234.170704] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 234.174956] call_timer_fn+0x272/0x920 [ 234.178847] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 234.183087] ? process_timeout+0x40/0x40 [ 234.187151] ? find_held_lock+0x36/0x1c0 [ 234.191224] ? __run_timers+0x7da/0xc70 [ 234.195205] ? _raw_spin_unlock_irq+0x27/0x80 [ 234.199699] ? _raw_spin_unlock_irq+0x27/0x80 [ 234.204196] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 234.208436] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 234.213022] ? trace_hardirqs_on+0xbd/0x310 [ 234.217371] ? kasan_check_read+0x11/0x20 [ 234.221523] ? __run_timers+0x7da/0xc70 [ 234.225499] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 234.230959] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 234.235201] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 234.239437] __run_timers+0x7e5/0xc70 [ 234.243253] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 234.248621] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 234.253638] ? graph_lock+0x170/0x170 [ 234.257926] ? enqueue_hrtimer+0x1a5/0x560 [ 234.262161] ? lock_release+0x970/0x970 [ 234.266141] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 234.271339] ? find_held_lock+0x36/0x1c0 [ 234.275413] ? pvclock_read_flags+0x160/0x160 [ 234.279911] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.285451] ? check_preemption_disabled+0x48/0x200 [ 234.290482] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 234.296023] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 234.301312] ? rcu_pm_notify+0xc0/0xc0 [ 234.305223] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.310762] ? check_preemption_disabled+0x48/0x200 [ 234.315794] run_timer_softirq+0x52/0xb0 [ 234.319865] ? rcu_read_lock_sched_held+0x108/0x120 [ 234.324887] __do_softirq+0x30b/0xad8 [ 234.328700] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 234.333814] ? pvclock_read_flags+0x160/0x160 [ 234.338313] ? lapic_next_event+0x5a/0x90 [ 234.342463] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.348092] ? check_preemption_disabled+0x48/0x200 [ 234.353127] ? check_preemption_disabled+0x48/0x200 [ 234.358156] ? kvm_clock_read+0x18/0x30 [ 234.362133] ? kvm_sched_clock_read+0x9/0x20 [ 234.366549] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.372089] ? check_preemption_disabled+0x48/0x200 [ 234.377118] irq_exit+0x17f/0x1c0 [ 234.380578] smp_apic_timer_interrupt+0x1cb/0x760 [ 234.385419] ? smp_reschedule_interrupt+0x109/0x650 [ 234.390440] ? smp_call_function_single_interrupt+0x650/0x650 [ 234.396329] ? interrupt_entry+0xb5/0xf0 [ 234.400398] ? trace_hardirqs_off_caller+0xbb/0x300 [ 234.405429] ? trace_hardirqs_off_caller+0xbb/0x300 [ 234.410449] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 234.415311] ? trace_hardirqs_off+0x300/0x300 [ 234.419816] ? trace_hardirqs_off+0x300/0x300 [ 234.424315] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.429858] ? check_preemption_disabled+0x48/0x200 [ 234.434874] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.440449] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 234.445309] apic_timer_interrupt+0xf/0x20 [ 234.449544] [ 234.451784] RIP: 0010:_raw_write_unlock_irq+0x56/0x80 [ 234.456980] Code: 52 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d ab aa 92 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 f0 ec 95 f9 65 8b 05 a9 6e 42 78 85 c0 74 05 5b [ 234.475883] RSP: 0018:ffff8801d8cf7350 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 234.483597] RAX: dffffc0000000000 RBX: ffffffff894090c0 RCX: 0000000000000000 [ 234.490867] RDX: 1ffffffff12a4537 RSI: 0000000000000001 RDI: ffffffff895229b8 [ 234.498137] RBP: ffff8801d8cf7358 R08: ffff8801c24ca580 R09: 0000000000000000 [ 234.505410] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d70737c0 [ 234.512681] R13: ffff8801d8cf7490 R14: 0000000000000000 R15: ffff8801c24cab00 [ 234.519987] do_exit+0x11ef/0x2610 [ 234.523561] ? mem_cgroup_commit_charge+0x275/0x9d0 [ 234.528609] ? mm_update_next_owner+0x990/0x990 [ 234.533283] ? print_usage_bug+0xc0/0xc0 [ 234.537347] ? graph_lock+0x170/0x170 [ 234.541154] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.546695] ? check_preemption_disabled+0x48/0x200 [ 234.551715] ? check_preemption_disabled+0x48/0x200 [ 234.556736] ? print_usage_bug+0xc0/0xc0 [ 234.560807] ? __lock_acquire+0x7ec/0x4ec0 [ 234.565055] ? __lock_acquire+0x7ec/0x4ec0 [ 234.569310] ? mark_held_locks+0x130/0x130 [ 234.573556] ? mark_held_locks+0x130/0x130 [ 234.577793] ? finish_task_switch+0x1b5/0x900 [ 234.582300] ? __switch_to_asm+0x34/0x70 [ 234.586370] ? __switch_to_asm+0x34/0x70 [ 234.590430] ? __switch_to_asm+0x34/0x70 [ 234.594492] ? __switch_to_asm+0x40/0x70 [ 234.598550] ? __switch_to_asm+0x34/0x70 [ 234.602608] ? __switch_to_asm+0x40/0x70 [ 234.606666] ? __switch_to_asm+0x34/0x70 [ 234.610727] ? __switch_to_asm+0x34/0x70 [ 234.614790] ? __switch_to_asm+0x34/0x70 [ 234.618855] ? __switch_to_asm+0x34/0x70 [ 234.622917] ? __switch_to_asm+0x40/0x70 [ 234.626978] ? __switch_to_asm+0x34/0x70 [ 234.631047] ? __switch_to_asm+0x40/0x70 [ 234.635120] ? graph_lock+0x170/0x170 [ 234.638926] ? graph_lock+0x170/0x170 [ 234.642728] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.648270] ? wait_consider_task+0x245/0x3bb0 [ 234.652860] ? memset+0x31/0x40 [ 234.656150] ? find_held_lock+0x36/0x1c0 [ 234.660223] ? get_signal+0x95b/0x1980 [ 234.664117] ? _raw_spin_unlock_irq+0x27/0x80 [ 234.668609] ? _raw_spin_unlock_irq+0x27/0x80 [ 234.673115] do_group_exit+0x177/0x440 [ 234.677010] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 234.682469] ? __ia32_sys_exit+0x50/0x50 [ 234.686546] get_signal+0x8b0/0x1980 [ 234.690272] ? ptrace_notify+0x130/0x130 [ 234.694334] ? do_wait+0x57d/0xb90 [ 234.697881] ? wait_consider_task+0x3bb0/0x3bb0 [ 234.702548] ? graph_lock+0x170/0x170 [ 234.706347] ? graph_lock+0x170/0x170 [ 234.710153] ? graph_lock+0x170/0x170 [ 234.713975] do_signal+0x9c/0x21e0 [ 234.717517] ? find_held_lock+0x36/0x1c0 [ 234.721593] ? setup_sigcontext+0x7d0/0x7d0 [ 234.725918] ? kernel_wait4+0x2e0/0x3f0 [ 234.729896] ? __ia32_sys_waitid+0x140/0x140 [ 234.734316] ? task_stopped_code+0x190/0x190 [ 234.738731] ? exit_to_usermode_loop+0x8c/0x380 [ 234.743423] ? __do_page_fault+0x4a6/0xed0 [ 234.747660] ? do_syscall_64+0x9a/0x820 [ 234.751636] ? do_syscall_64+0x9a/0x820 [ 234.755631] exit_to_usermode_loop+0x2e5/0x380 [ 234.760234] ? syscall_slow_exit_work+0x520/0x520 [ 234.765105] do_syscall_64+0x6be/0x820 [ 234.769003] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 234.774380] ? syscall_return_slowpath+0x5e0/0x5e0 [ 234.779318] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 234.784168] ? trace_hardirqs_off+0x300/0x300 [ 234.788667] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 234.793687] ? prepare_exit_to_usermode+0x291/0x3b0 [ 234.798714] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 234.803571] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 234.808760] RIP: 0033:0x410e7a [ 234.811955] Code: Bad RIP value. [ 234.815318] RSP: 002b:00007ffdfa797988 EFLAGS: 00000246 ORIG_RAX: 000000000000003d [ 234.823057] RAX: fffffffffffffe00 RBX: 00000000000014f2 RCX: 0000000000410e7a [ 234.830338] RDX: 0000000040000000 RSI: 00007ffdfa797994 RDI: ffffffffffffffff [ 234.837611] RBP: 0000000000930b28 R08: 00000000000014e7 R09: 00000000024eb940 [ 234.844885] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010 [ 234.852161] R13: 0000000000412a80 R14: 0000000000000000 R15: 0000000000000000 [ 234.859464] warn_alloc_show_mem: 1 callbacks suppressed [ 234.859477] CPU: 0 PID: 9562 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51 [ 234.859479] Mem-Info: [ 234.859509] active_anon:43308 inactive_anon:372 isolated_anon:0 [ 234.859509] active_file:9 inactive_file:26 isolated_file:0 [ 234.859509] unevictable:0 dirty:0 writeback:0 unstable:0 [ 234.859509] slab_reclaimable:8855 slab_unreclaimable:1462387 [ 234.859509] mapped:57522 shmem:379 pagetables:727 bounce:0 [ 234.859509] free:13711 free_pcp:202 free_cma:0 [ 234.864859] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 234.872057] Node 0 active_anon:173232kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 234.874453] Call Trace: [ 234.907242] Node 0 [ 234.916615] [ 234.944383] 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 [ 234.946942] dump_stack+0x1c4/0x2b4 [ 234.949149] lowmem_reserve[]: [ 234.951292] ? dump_stack_print_info.cold.2+0x52/0x52 [ 234.976780] 0 [ 234.980425] warn_alloc.cold.118+0xb7/0x1bd [ 234.983490] 2817 [ 234.988673] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 234.990449] 6321 [ 234.994762] ? lock_downgrade+0x900/0x900 [ 234.996798] 6321 [ 235.001640] ? trace_hardirqs_off+0xb8/0x300 [ 235.007823] ? trace_hardirqs_off+0xb8/0x300 [ 235.009862] Node 0 [ 235.014270] __alloc_pages_slowpath+0x2667/0x2d80 [ 235.018675] DMA32 free:24940kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 235.020907] ? warn_alloc+0x120/0x120 [ 235.025702] lowmem_reserve[]: [ 235.052510] ? __lock_acquire+0x7ec/0x4ec0 [ 235.056288] 0 [ 235.059393] ? warn_alloc+0x120/0x120 [ 235.063601] 0 [ 235.065399] ? print_usage_bug+0xc0/0xc0 [ 235.069174] 3503 [ 235.070984] ? warn_alloc+0x120/0x120 [ 235.075019] 3503 [ 235.077093] ? print_usage_bug+0xc0/0xc0 [ 235.082951] ? mark_held_locks+0x130/0x130 [ 235.086987] Node 0 [ 235.091213] ? mark_held_locks+0x130/0x130 [ 235.091245] Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:169136kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5568kB pagetables:2908kB bounce:0kB free_pcp:808kB local_pcp:692kB free_cma:0kB [ 235.091252] lowmem_reserve[]: [ 235.093487] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 235.097695] 0 [ 235.126347] ? should_fail+0x22d/0xd01 [ 235.129431] 0 [ 235.134962] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.136739] 0 [ 235.140620] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 235.142395] 0 [ 235.147927] ? __lock_acquire+0x7ec/0x4ec0 [ 235.154828] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 235.156611] Node 0 [ 235.160840] ? should_fail+0x22d/0xd01 [ 235.165919] DMA: [ 235.168152] ? __sanitizer_cov_trace_const_cmp1+0x10/0x20 [ 235.172023] 1*4kB [ 235.174093] ? mark_held_locks+0x130/0x130 [ 235.179598] (U) [ 235.181743] ? mark_held_locks+0x130/0x130 [ 235.185953] 0*8kB [ 235.187925] ? graph_lock+0x170/0x170 [ 235.192134] 0*16kB [ 235.194275] ? graph_lock+0x170/0x170 [ 235.198058] 1*32kB [ 235.200288] ? print_usage_bug+0xc0/0xc0 [ 235.204071] (U) [ 235.206310] ? do_raw_spin_unlock+0xa7/0x2f0 [ 235.210335] 2*64kB (U) [ 235.212321] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.216700] 1*128kB [ 235.219280] ? check_preemption_disabled+0x48/0x200 [ 235.224786] (U) [ 235.227108] ? check_preemption_disabled+0x48/0x200 [ 235.232097] 1*256kB [ 235.234093] ? __lock_is_held+0xb5/0x140 [ 235.239079] (U) [ 235.241399] __alloc_pages_nodemask+0xa80/0xde0 [ 235.245432] 0*512kB [ 235.247403] ? graph_lock+0x170/0x170 [ 235.252134] 1*1024kB [ 235.254451] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 235.258231] (U) [ 235.260638] ? graph_lock+0x170/0x170 [ 235.265627] 1*2048kB (M) [ 235.267612] ? find_held_lock+0x36/0x1c0 [ 235.271382] 3*4096kB [ 235.274139] ? ____cache_alloc_node+0x1c7/0x1e0 [ 235.278162] (M) = 15908kB [ 235.280576] ? lock_downgrade+0x900/0x900 [ 235.285219] Node 0 [ 235.287973] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.292088] DMA32: [ 235.294329] cache_grow_begin+0x91/0x8c0 [ 235.299839] 3*4kB [ 235.302078] ? do_raw_spin_unlock+0xa7/0x2f0 [ 235.306113] (UM) [ 235.308261] fallback_alloc+0x203/0x2e0 [ 235.312642] 2*8kB [ 235.314704] ____cache_alloc_node+0x1c7/0x1e0 [ 235.318653] (U) [ 235.320799] kmem_cache_alloc_node+0xe3/0x730 [ 235.325278] 5*16kB [ 235.327257] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 235.331726] (UM) [ 235.333959] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 235.339038] 2*32kB [ 235.341114] __alloc_skb+0x119/0x770 [ 235.345662] (UM) [ 235.347898] ? calc_wheel_index+0x220/0x220 [ 235.351584] 3*64kB [ 235.353639] ? skb_scrub_packet+0x490/0x490 [ 235.357932] (UM) [ 235.360171] ? vprintk_default+0x28/0x30 [ 235.364456] 4*128kB (UM) [ 235.366540] ? vprintk_func+0x85/0x181 [ 235.370578] 2*256kB [ 235.373334] ? printk+0xa7/0xcf [ 235.377199] (M) [ 235.379517] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 235.382769] 4*512kB [ 235.384743] new_skb+0x26/0x1c0 [ 235.389471] (UM) [ 235.391786] aoecmd_cfg+0x279/0x7f0 [ 235.395051] 3*1024kB [ 235.397110] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 235.400707] (M) [ 235.403114] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.407410] 1*2048kB [ 235.409387] ? check_preemption_disabled+0x48/0x200 [ 235.414913] (U) [ 235.417329] ? check_preemption_disabled+0x48/0x200 [ 235.422323] 4*4096kB [ 235.424317] ? __lock_is_held+0xb5/0x140 [ 235.429307] (M) = 24940kB [ 235.431735] discover_timer+0x50/0x60 [ 235.435765] Node 0 [ 235.438517] call_timer_fn+0x272/0x920 [ 235.442291] Normal: [ 235.444527] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 235.448389] 667*4kB [ 235.450726] ? process_timeout+0x40/0x40 [ 235.455542] (UMEH) [ 235.457858] ? find_held_lock+0x36/0x1c0 [ 235.461892] 358*8kB (UMEH) [ 235.464139] ? __run_timers+0x7da/0xc70 [ 235.468171] 191*16kB [ 235.471102] ? _raw_spin_unlock_irq+0x27/0x80 [ 235.475059] (UMEH) [ 235.477467] ? _raw_spin_unlock_irq+0x27/0x80 [ 235.481930] 81*32kB (UMEH) [ 235.484179] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 235.488653] 30*64kB [ 235.491582] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 235.496395] (UMH) [ 235.498713] ? trace_hardirqs_on+0xbd/0x310 [ 235.503295] 1*128kB [ 235.505444] ? kasan_check_read+0x11/0x20 [ 235.509738] (M) [ 235.512065] ? __run_timers+0x7da/0xc70 [ 235.516191] 3*256kB (UH) [ 235.518171] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 235.522118] 0*512kB [ 235.524871] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 235.530292] 0*1024kB [ 235.532628] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 235.536836] 0*2048kB [ 235.539250] __run_timers+0x7e5/0xc70 [ 235.544069] 0*4096kB [ 235.546483] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 235.550241] = 13996kB [ 235.550256] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 235.552654] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 235.557997] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 235.560397] ? graph_lock+0x170/0x170 [ 235.569211] 414 total pagecache pages [ 235.574220] ? enqueue_hrtimer+0x1a5/0x560 [ 235.582780] 0 pages in swap cache [ 235.586567] ? lock_release+0x970/0x970 [ 235.590345] Swap cache stats: add 0, delete 0, find 0/0 [ 235.594574] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 235.598003] Free swap = 0kB [ 235.601973] ? find_held_lock+0x36/0x1c0 [ 235.607329] Total swap = 0kB [ 235.612517] ? graph_lock+0x170/0x170 [ 235.615509] 1965979 pages RAM [ 235.619560] ? pvclock_read_flags+0x160/0x160 [ 235.622577] 0 pages HighMem/MovableOnly [ 235.626372] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.629453] 342744 pages reserved [ 235.633941] ? check_preemption_disabled+0x48/0x200 [ 235.637880] 0 pages cma reserved [ 235.637953] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 235.643424] ? __lock_is_held+0xb5/0x140 [ 235.646945] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 235.651865] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.655211] syz-executor1 cpuset= [ 235.661699] ? check_preemption_disabled+0x48/0x200 [ 235.665731] / [ 235.676214] run_timer_softirq+0x52/0xb0 [ 235.681722] mems_allowed=0 [ 235.685164] ? rcu_read_lock_sched_held+0x108/0x120 [ 235.703818] __do_softirq+0x30b/0xad8 [ 235.707631] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 235.712744] ? pvclock_read_flags+0x160/0x160 [ 235.717242] ? lapic_next_event+0x5a/0x90 [ 235.721394] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.726932] ? check_preemption_disabled+0x48/0x200 [ 235.731950] ? check_preemption_disabled+0x48/0x200 [ 235.736972] ? kvm_clock_read+0x18/0x30 [ 235.740946] ? kvm_sched_clock_read+0x9/0x20 [ 235.745355] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.750898] ? check_preemption_disabled+0x48/0x200 [ 235.755926] irq_exit+0x17f/0x1c0 [ 235.759384] smp_apic_timer_interrupt+0x1cb/0x760 [ 235.764229] ? smp_reschedule_interrupt+0x109/0x650 [ 235.769250] ? smp_call_function_single_interrupt+0x650/0x650 [ 235.775138] ? interrupt_entry+0xb5/0xf0 [ 235.779206] ? trace_hardirqs_off_caller+0xbb/0x300 [ 235.784221] ? trace_hardirqs_off_caller+0xbb/0x300 [ 235.789268] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 235.794123] ? trace_hardirqs_off+0x300/0x300 [ 235.798620] ? trace_hardirqs_off+0x300/0x300 [ 235.803117] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 235.808666] ? check_preemption_disabled+0x48/0x200 [ 235.813683] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 235.819232] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 235.824090] apic_timer_interrupt+0xf/0x20 [ 235.828324] [ 235.830568] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 235.835498] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 235.854396] RSP: 0000:ffff88019f217748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 235.862106] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 235.869373] RDX: 0000000000000000 RSI: ffff88019f972d00 RDI: 0000000000000282 [ 235.876640] RBP: ffff88019f2177b0 R08: ffff88019f972480 R09: 0000000000000000 [ 235.883910] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 235.891179] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 235.898494] skb_clone+0x1bb/0x500 [ 235.902048] ? finish_task_switch+0x2f5/0x900 [ 235.906548] ? skb_split+0x11e0/0x11e0 [ 235.910437] ? preempt_notifier_register+0x200/0x200 [ 235.915567] ? __switch_to_asm+0x34/0x70 [ 235.919629] ? __switch_to_asm+0x34/0x70 [ 235.923689] ? __switch_to_asm+0x40/0x70 [ 235.927748] ? __switch_to_asm+0x34/0x70 [ 235.931812] ? __switch_to_asm+0x40/0x70 [ 235.935871] ? __switch_to_asm+0x34/0x70 [ 235.939950] ? __switch_to_asm+0x40/0x70 [ 235.944008] ? __switch_to_asm+0x34/0x70 [ 235.948078] ? __switch_to_asm+0x34/0x70 [ 235.952138] ? __switch_to_asm+0x40/0x70 [ 235.956197] ? __switch_to_asm+0x34/0x70 [ 235.960269] bpf_clone_redirect+0xb9/0x490 [ 235.964510] ? __schedule+0x874/0x1ed0 [ 235.968406] bpf_prog_a2323609a0d1adb1+0x624/0x1000 [ 235.973426] ? __sched_text_start+0x8/0x8 [ 235.977578] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 235.982781] ? find_held_lock+0x36/0x1c0 [ 235.986850] ? lock_acquire+0x1ed/0x520 [ 235.990826] ? bpf_test_run+0x32e/0x5a0 [ 235.994803] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.000342] ? check_preemption_disabled+0x48/0x200 [ 236.005366] ? kasan_check_read+0x11/0x20 [ 236.009520] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 236.014799] ? rcu_bh_qs+0xc0/0xc0 [ 236.018346] ? preempt_schedule+0x4d/0x60 [ 236.022498] ? ___preempt_schedule+0x16/0x18 [ 236.026916] ? bpf_test_run+0x1c0/0x5a0 [ 236.030993] ? netlink_diag_dump+0x2a0/0x2a0 [ 236.035406] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 236.040945] ? bpf_test_init.isra.9+0x70/0x100 [ 236.045535] ? bpf_prog_test_run_skb+0x634/0xb40 [ 236.050299] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 236.055150] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 236.060705] ? fput+0x130/0x1a0 [ 236.064003] ? __bpf_prog_get+0x9b/0x290 [ 236.068074] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 236.072918] ? bpf_prog_test_run+0x130/0x1a0 [ 236.077337] ? __x64_sys_bpf+0x3d8/0x510 [ 236.081399] ? bpf_prog_get+0x20/0x20 [ 236.085224] ? do_syscall_64+0x1b9/0x820 [ 236.089284] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 236.094659] ? syscall_return_slowpath+0x5e0/0x5e0 [ 236.099593] ? trace_hardirqs_off+0x300/0x300 [ 236.104093] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 236.109113] ? recalc_sigpending_tsk+0x180/0x180 [ 236.113876] ? kasan_check_write+0x14/0x20 [ 236.118123] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 236.122977] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 236.128362] CPU: 1 PID: 5351 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51 [ 236.128431] aoe: skb alloc failure [ 236.135550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 236.135559] Call Trace: [ 236.139147] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 236.148429] [ 236.151000] syz-executor0 cpuset= [ 236.161478] dump_stack+0x1c4/0x2b4 [ 236.163601] syz0 [ 236.167054] ? dump_stack_print_info.cold.2+0x52/0x52 [ 236.170659] mems_allowed=0 [ 236.172635] warn_alloc.cold.118+0xb7/0x1bd [ 236.185020] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 236.189877] ? lock_downgrade+0x900/0x900 [ 236.194036] ? trace_hardirqs_off+0xb8/0x300 [ 236.198465] ? trace_hardirqs_off+0xb8/0x300 [ 236.202883] __alloc_pages_slowpath+0x2667/0x2d80 [ 236.207757] ? warn_alloc+0x120/0x120 [ 236.211560] ? trace_hardirqs_on+0x310/0x310 [ 236.215967] ? warn_alloc+0x120/0x120 [ 236.219774] ? print_usage_bug+0xc0/0xc0 [ 236.223842] ? warn_alloc+0x120/0x120 [ 236.227642] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 236.232657] ? print_usage_bug+0xc0/0xc0 [ 236.236720] ? __lock_acquire+0x7ec/0x4ec0 [ 236.240958] ? __lock_acquire+0x7ec/0x4ec0 [ 236.245195] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 236.250733] ? should_fail+0x22d/0xd01 [ 236.254629] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 236.260267] ? __lock_acquire+0x7ec/0x4ec0 [ 236.264508] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 236.269630] ? __lock_acquire+0x7ec/0x4ec0 [ 236.273865] ? should_fail+0x22d/0xd01 [ 236.277751] ? print_usage_bug+0xc0/0xc0 [ 236.281830] ? mark_held_locks+0x130/0x130 [ 236.286091] ? mark_held_locks+0x130/0x130 [ 236.290335] ? graph_lock+0x170/0x170 [ 236.294140] ? print_usage_bug+0xc0/0xc0 [ 236.298203] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 236.303061] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.308603] ? check_preemption_disabled+0x48/0x200 [ 236.313620] ? check_preemption_disabled+0x48/0x200 [ 236.318647] ? __lock_is_held+0xb5/0x140 [ 236.322716] __alloc_pages_nodemask+0xa80/0xde0 [ 236.327386] ? graph_lock+0x170/0x170 [ 236.331197] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 236.336214] ? graph_lock+0x170/0x170 [ 236.340031] ? find_held_lock+0x36/0x1c0 [ 236.344116] ? ____cache_alloc_node+0x1c7/0x1e0 [ 236.348842] ? lock_downgrade+0x900/0x900 [ 236.353011] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.358574] cache_grow_begin+0x91/0x8c0 [ 236.362653] ? do_raw_spin_unlock+0xa7/0x2f0 [ 236.367086] fallback_alloc+0x203/0x2e0 [ 236.371083] ____cache_alloc_node+0x1c7/0x1e0 [ 236.375600] kmem_cache_alloc_node+0xe3/0x730 [ 236.380103] ? ipv6_get_ifaddr+0x42e/0x620 [ 236.384352] __alloc_skb+0x119/0x770 [ 236.388085] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 236.393372] ? skb_scrub_packet+0x490/0x490 [ 236.397698] ? lock_downgrade+0x900/0x900 [ 236.401858] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.407400] ? refcount_sub_and_test_checked+0x203/0x310 [ 236.412857] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 236.418312] ? addrconf_rs_timer+0x6f0/0x6f0 [ 236.422740] ndisc_alloc_skb+0x144/0x340 [ 236.426817] ndisc_send_rs+0x331/0x6e0 [ 236.430716] addrconf_rs_timer+0x3c0/0x6f0 [ 236.434975] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 236.439228] call_timer_fn+0x272/0x920 [ 236.443120] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 236.447356] ? process_timeout+0x40/0x40 [ 236.451415] ? find_held_lock+0x36/0x1c0 [ 236.455490] ? __run_timers+0x7da/0xc70 [ 236.459488] ? _raw_spin_unlock_irq+0x27/0x80 [ 236.463995] ? _raw_spin_unlock_irq+0x27/0x80 [ 236.468491] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 236.472725] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 236.477308] ? trace_hardirqs_on+0xbd/0x310 [ 236.481631] ? kasan_check_read+0x11/0x20 [ 236.485778] ? __run_timers+0x7da/0xc70 [ 236.489764] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 236.495244] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 236.499490] __run_timers+0x7e5/0xc70 [ 236.503316] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 236.508684] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 236.513702] ? graph_lock+0x170/0x170 [ 236.517507] ? enqueue_hrtimer+0x1a5/0x560 [ 236.521741] ? lock_release+0x970/0x970 [ 236.525718] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 236.530923] ? find_held_lock+0x36/0x1c0 [ 236.534995] ? pvclock_read_flags+0x160/0x160 [ 236.539492] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.545031] ? check_preemption_disabled+0x48/0x200 [ 236.550077] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 236.555618] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 236.560903] ? rcu_pm_notify+0xc0/0xc0 [ 236.564794] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.570338] ? check_preemption_disabled+0x48/0x200 [ 236.575364] run_timer_softirq+0x52/0xb0 [ 236.579429] ? rcu_read_lock_sched_held+0x108/0x120 [ 236.584449] __do_softirq+0x30b/0xad8 [ 236.588265] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 236.593379] ? pvclock_read_flags+0x160/0x160 [ 236.597874] ? lapic_next_event+0x5a/0x90 [ 236.602028] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.607576] ? check_preemption_disabled+0x48/0x200 [ 236.612595] ? check_preemption_disabled+0x48/0x200 [ 236.617622] ? kvm_clock_read+0x18/0x30 [ 236.621601] ? kvm_sched_clock_read+0x9/0x20 [ 236.626016] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.631564] ? check_preemption_disabled+0x48/0x200 [ 236.636595] irq_exit+0x17f/0x1c0 [ 236.640066] smp_apic_timer_interrupt+0x1cb/0x760 [ 236.644911] ? smp_reschedule_interrupt+0x109/0x650 [ 236.649933] ? smp_call_function_single_interrupt+0x650/0x650 [ 236.655827] ? interrupt_entry+0xb5/0xf0 [ 236.659894] ? trace_hardirqs_off_caller+0xbb/0x300 [ 236.664932] ? trace_hardirqs_off_caller+0xbb/0x300 [ 236.669961] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 236.674817] ? trace_hardirqs_off+0x300/0x300 [ 236.679312] ? trace_hardirqs_off+0x300/0x300 [ 236.683822] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.689364] ? check_preemption_disabled+0x48/0x200 [ 236.694470] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.700020] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 236.704886] apic_timer_interrupt+0xf/0x20 [ 236.709117] [ 236.711357] RIP: 0010:_raw_write_unlock_irq+0x56/0x80 [ 236.716546] Code: 52 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d ab aa 92 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 f0 ec 95 f9 65 8b 05 a9 6e 42 78 85 c0 74 05 5b [ 236.735456] RSP: 0018:ffff8801d8cf7350 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 236.743170] RAX: dffffc0000000000 RBX: ffffffff894090c0 RCX: 0000000000000000 [ 236.750437] RDX: 1ffffffff12a4537 RSI: 0000000000000001 RDI: ffffffff895229b8 [ 236.757706] RBP: ffff8801d8cf7358 R08: ffff8801c24ca580 R09: 0000000000000000 [ 236.764979] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d70737c0 [ 236.772248] R13: ffff8801d8cf7490 R14: 0000000000000000 R15: ffff8801c24cab00 [ 236.779553] do_exit+0x11ef/0x2610 [ 236.783128] ? mem_cgroup_commit_charge+0x275/0x9d0 [ 236.788166] ? mm_update_next_owner+0x990/0x990 [ 236.792931] ? print_usage_bug+0xc0/0xc0 [ 236.796994] ? graph_lock+0x170/0x170 [ 236.800811] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.806357] ? check_preemption_disabled+0x48/0x200 [ 236.811381] ? check_preemption_disabled+0x48/0x200 [ 236.816403] ? print_usage_bug+0xc0/0xc0 [ 236.820473] ? __lock_acquire+0x7ec/0x4ec0 [ 236.824715] ? __lock_acquire+0x7ec/0x4ec0 [ 236.828982] ? mark_held_locks+0x130/0x130 [ 236.833242] ? mark_held_locks+0x130/0x130 [ 236.837486] ? finish_task_switch+0x1b5/0x900 [ 236.841988] ? __switch_to_asm+0x34/0x70 [ 236.846076] ? __switch_to_asm+0x34/0x70 [ 236.850142] ? __switch_to_asm+0x34/0x70 [ 236.854207] ? __switch_to_asm+0x40/0x70 [ 236.858269] ? __switch_to_asm+0x34/0x70 [ 236.862327] ? __switch_to_asm+0x40/0x70 [ 236.866386] ? __switch_to_asm+0x34/0x70 [ 236.870452] ? __switch_to_asm+0x34/0x70 [ 236.874516] ? __switch_to_asm+0x34/0x70 [ 236.878578] ? __switch_to_asm+0x34/0x70 [ 236.882637] ? __switch_to_asm+0x40/0x70 [ 236.886697] ? __switch_to_asm+0x34/0x70 [ 236.890754] ? __switch_to_asm+0x40/0x70 [ 236.894826] ? graph_lock+0x170/0x170 [ 236.898633] ? graph_lock+0x170/0x170 [ 236.902440] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 236.907979] ? wait_consider_task+0x245/0x3bb0 [ 236.912566] ? memset+0x31/0x40 [ 236.915856] ? find_held_lock+0x36/0x1c0 [ 236.919934] ? get_signal+0x95b/0x1980 [ 236.923831] ? _raw_spin_unlock_irq+0x27/0x80 [ 236.928330] ? _raw_spin_unlock_irq+0x27/0x80 [ 236.932861] do_group_exit+0x177/0x440 [ 236.936770] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 236.942228] ? __ia32_sys_exit+0x50/0x50 [ 236.946305] get_signal+0x8b0/0x1980 [ 236.950031] ? ptrace_notify+0x130/0x130 [ 236.954102] ? do_wait+0x57d/0xb90 [ 236.957650] ? wait_consider_task+0x3bb0/0x3bb0 [ 236.962317] ? graph_lock+0x170/0x170 [ 236.966119] ? graph_lock+0x170/0x170 [ 236.969921] ? graph_lock+0x170/0x170 [ 236.973739] do_signal+0x9c/0x21e0 [ 236.977281] ? find_held_lock+0x36/0x1c0 [ 236.981352] ? setup_sigcontext+0x7d0/0x7d0 [ 236.985679] ? kernel_wait4+0x2e0/0x3f0 [ 236.989656] ? __ia32_sys_waitid+0x140/0x140 [ 236.994092] ? task_stopped_code+0x190/0x190 [ 236.998506] ? exit_to_usermode_loop+0x8c/0x380 [ 237.003190] ? __do_page_fault+0x4a6/0xed0 [ 237.007430] ? do_syscall_64+0x9a/0x820 [ 237.011403] ? do_syscall_64+0x9a/0x820 [ 237.015417] exit_to_usermode_loop+0x2e5/0x380 [ 237.020007] ? syscall_slow_exit_work+0x520/0x520 [ 237.024857] do_syscall_64+0x6be/0x820 [ 237.028744] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 237.034133] ? syscall_return_slowpath+0x5e0/0x5e0 [ 237.039073] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 237.043919] ? trace_hardirqs_off+0x300/0x300 [ 237.048426] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 237.053444] ? prepare_exit_to_usermode+0x291/0x3b0 [ 237.058465] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 237.063322] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 237.068516] RIP: 0033:0x410e7a [ 237.071718] Code: Bad RIP value. [ 237.075117] RSP: 002b:00007ffdfa797988 EFLAGS: 00000246 ORIG_RAX: 000000000000003d [ 237.082833] RAX: fffffffffffffe00 RBX: 00000000000014f2 RCX: 0000000000410e7a [ 237.090107] RDX: 0000000040000000 RSI: 00007ffdfa797994 RDI: ffffffffffffffff [ 237.097374] RBP: 0000000000930b28 R08: 00000000000014e7 R09: 00000000024eb940 [ 237.104644] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010 [ 237.111911] R13: 0000000000412a80 R14: 0000000000000000 R15: 0000000000000000 [ 237.119203] warn_alloc_show_mem: 1 callbacks suppressed [ 237.119216] CPU: 0 PID: 9562 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51 [ 237.119218] Mem-Info: [ 237.119247] active_anon:43308 inactive_anon:372 isolated_anon:0 [ 237.119247] active_file:9 inactive_file:26 isolated_file:0 [ 237.119247] unevictable:0 dirty:0 writeback:0 unstable:0 [ 237.119247] slab_reclaimable:8855 slab_unreclaimable:1462387 [ 237.119247] mapped:57522 shmem:379 pagetables:727 bounce:0 [ 237.119247] free:13711 free_pcp:202 free_cma:0 [ 237.124593] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 237.132099] Node 0 active_anon:173232kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 237.134500] Call Trace: [ 237.167298] Node 0 [ 237.176658] [ 237.204431] 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 [ 237.206995] dump_stack+0x1c4/0x2b4 [ 237.209195] lowmem_reserve[]: 0 [ 237.211351] ? dump_stack_print_info.cold.2+0x52/0x52 [ 237.236827] 2817 [ 237.240456] warn_alloc.cold.118+0xb7/0x1bd [ 237.243698] 6321 [ 237.248879] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 237.250909] 6321 [ 237.255232] ? lock_downgrade+0x900/0x900 [ 237.257295] Node 0 [ 237.262143] ? trace_hardirqs_off+0xb8/0x300 [ 237.264203] DMA32 free:24940kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 237.268325] ? trace_hardirqs_off+0xb8/0x300 [ 237.270530] lowmem_reserve[]: [ 237.275621] __alloc_pages_slowpath+0x2667/0x2d80 [ 237.302398] 0 [ 237.306826] ? warn_alloc+0x120/0x120 [ 237.309882] 0 3503 [ 237.314729] ? warn_alloc+0x120/0x120 [ 237.316503] 3503 [ 237.320295] ? print_usage_bug+0xc0/0xc0 [ 237.322510] Node 0 [ 237.326309] ? warn_alloc+0x120/0x120 [ 237.328369] Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:169136kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5568kB pagetables:2908kB bounce:0kB free_pcp:808kB local_pcp:692kB free_cma:0kB [ 237.332398] ? print_usage_bug+0xc0/0xc0 [ 237.334607] lowmem_reserve[]: [ 237.338406] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 237.366839] 0 0 [ 237.370932] ? ktime_get+0x2e1/0x440 [ 237.374008] 0 0 [ 237.379057] ? check_preemption_disabled+0x48/0x200 [ 237.384711] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 237.386663] Node 0 [ 237.391672] ? should_fail+0x22d/0xd01 [ 237.397185] DMA: [ 237.399421] ? kasan_check_read+0x11/0x20 [ 237.403283] 1*4kB [ 237.405346] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 237.409463] (U) [ 237.411612] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 237.416864] 0*8kB [ 237.418835] ? __lock_acquire+0x7ec/0x4ec0 [ 237.423908] 0*16kB 1*32kB [ 237.426075] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 237.430282] (U) [ 237.433134] ? should_fail+0x22d/0xd01 [ 237.438217] 2*64kB (U) [ 237.440220] ? mark_held_locks+0x130/0x130 [ 237.444073] 1*128kB [ 237.446654] ? mark_held_locks+0x130/0x130 [ 237.450863] (U) [ 237.453196] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.457413] 1*256kB [ 237.459391] ? graph_lock+0x170/0x170 [ 237.464896] (U) [ 237.467212] ? mark_held_locks+0xc7/0x130 [ 237.470988] 0*512kB [ 237.472960] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 237.477079] 1*1024kB [ 237.479398] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.484386] (U) [ 237.486796] ? check_preemption_disabled+0x48/0x200 [ 237.492304] 1*2048kB (M) [ 237.494290] ? check_preemption_disabled+0x48/0x200 [ 237.499281] 3*4096kB [ 237.502065] ? __lock_is_held+0xb5/0x140 [ 237.507050] (M) [ 237.509463] __alloc_pages_nodemask+0xa80/0xde0 [ 237.513497] = 15908kB [ 237.515467] ? graph_lock+0x170/0x170 [ 237.520119] Node 0 [ 237.522534] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 237.526298] DMA32: 3*4kB [ 237.528545] ? graph_lock+0x170/0x170 [ 237.533540] (UM) [ 237.536317] ? find_held_lock+0x36/0x1c0 [ 237.540075] 2*8kB [ 237.542138] ? ____cache_alloc_node+0x1c7/0x1e0 [ 237.546169] (U) [ 237.548318] ? lock_downgrade+0x900/0x900 [ 237.552951] 5*16kB (UM) [ 237.554936] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.559061] 2*32kB [ 237.561727] cache_grow_begin+0x91/0x8c0 [ 237.567234] (UM) [ 237.569467] ? do_raw_spin_unlock+0xa7/0x2f0 [ 237.573501] 3*64kB [ 237.575559] fallback_alloc+0x203/0x2e0 [ 237.579936] (UM) [ 237.582174] ____cache_alloc_node+0x1c7/0x1e0 [ 237.586117] 4*128kB [ 237.588189] kmem_cache_alloc_node+0xe3/0x730 [ 237.592660] (UM) [ 237.594980] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 237.599447] 2*256kB [ 237.601501] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 237.606580] (M) [ 237.608907] __alloc_skb+0x119/0x770 [ 237.613467] 4*512kB (UM) [ 237.615459] ? calc_wheel_index+0x220/0x220 [ 237.619143] 3*1024kB (M) [ 237.621909] ? skb_scrub_packet+0x490/0x490 [ 237.626196] 1*2048kB (U) [ 237.628967] ? vprintk_default+0x28/0x30 [ 237.633254] 4*4096kB [ 237.636022] ? vprintk_func+0x85/0x181 [ 237.640063] (M) [ 237.642471] ? printk+0xa7/0xcf [ 237.646332] = 24940kB [ 237.648309] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 237.651555] Node 0 [ 237.653966] new_skb+0x26/0x1c0 [ 237.658690] Normal: [ 237.660917] aoecmd_cfg+0x279/0x7f0 [ 237.664174] 667*4kB [ 237.666495] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 237.670098] (UMEH) [ 237.672419] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.676708] 358*8kB (UMEH) [ 237.678953] ? check_preemption_disabled+0x48/0x200 [ 237.684460] 191*16kB [ 237.687385] ? check_preemption_disabled+0x48/0x200 [ 237.692370] (UMEH) [ 237.694783] ? __lock_is_held+0xb5/0x140 [ 237.699768] 81*32kB [ 237.702006] discover_timer+0x50/0x60 [ 237.706034] (UMEH) [ 237.708360] call_timer_fn+0x272/0x920 [ 237.712135] 30*64kB [ 237.714366] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 237.718253] (UMH) [ 237.720572] ? process_timeout+0x40/0x40 [ 237.725388] 1*128kB [ 237.727529] ? find_held_lock+0x36/0x1c0 [ 237.731561] (M) [ 237.733885] ? __run_timers+0x7da/0xc70 [ 237.737927] 3*256kB [ 237.739912] ? _raw_spin_unlock_irq+0x27/0x80 [ 237.743876] (UH) [ 237.746196] ? _raw_spin_unlock_irq+0x27/0x80 [ 237.750666] 0*512kB [ 237.752730] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 237.757199] 0*1024kB [ 237.759518] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 237.764337] 0*2048kB [ 237.766768] ? trace_hardirqs_on+0xbd/0x310 [ 237.771319] 0*4096kB = 13996kB [ 237.773737] ? kasan_check_read+0x11/0x20 [ 237.778035] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 237.781245] ? __run_timers+0x7da/0xc70 [ 237.785369] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 237.785378] 414 total pagecache pages [ 237.794226] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 237.798179] 0 pages in swap cache [ 237.806746] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 237.810519] Swap cache stats: add 0, delete 0, find 0/0 [ 237.810528] Free swap = 0kB [ 237.815976] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 237.819398] Total swap = 0kB [ 237.819406] 1965979 pages RAM [ 237.823641] __run_timers+0x7e5/0xc70 [ 237.828979] 0 pages HighMem/MovableOnly [ 237.832006] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 237.836846] 342744 pages reserved [ 237.839873] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 237.842952] 0 pages cma reserved [ 237.846746] ? graph_lock+0x170/0x170 [ 237.850758] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 237.856058] ? enqueue_hrtimer+0x1a5/0x560 [ 237.859594] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 237.864499] ? lock_release+0x970/0x970 [ 237.867844] syz-executor1 cpuset= [ 237.871639] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 237.878106] / [ 237.882344] ? find_held_lock+0x36/0x1c0 [ 237.892814] mems_allowed=0 [ 237.896785] ? graph_lock+0x170/0x170 [ 237.917867] ? pvclock_read_flags+0x160/0x160 [ 237.922382] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.927949] ? check_preemption_disabled+0x48/0x200 [ 237.933002] ? __lock_is_held+0xb5/0x140 [ 237.937105] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.942669] ? check_preemption_disabled+0x48/0x200 [ 237.947712] run_timer_softirq+0x52/0xb0 [ 237.951782] ? rcu_read_lock_sched_held+0x108/0x120 [ 237.956810] __do_softirq+0x30b/0xad8 [ 237.960625] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 237.965741] ? pvclock_read_flags+0x160/0x160 [ 237.970241] ? lapic_next_event+0x5a/0x90 [ 237.974391] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 237.979932] ? check_preemption_disabled+0x48/0x200 [ 237.984953] ? check_preemption_disabled+0x48/0x200 [ 237.989979] ? kvm_clock_read+0x18/0x30 [ 237.993956] ? kvm_sched_clock_read+0x9/0x20 [ 237.998396] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.003935] ? check_preemption_disabled+0x48/0x200 [ 238.008967] irq_exit+0x17f/0x1c0 [ 238.012428] smp_apic_timer_interrupt+0x1cb/0x760 [ 238.017273] ? smp_reschedule_interrupt+0x109/0x650 [ 238.022300] ? smp_call_function_single_interrupt+0x650/0x650 [ 238.028196] ? interrupt_entry+0xb5/0xf0 [ 238.032262] ? trace_hardirqs_off_caller+0xbb/0x300 [ 238.037280] ? trace_hardirqs_off_caller+0xbb/0x300 [ 238.042312] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 238.047159] ? trace_hardirqs_off+0x300/0x300 [ 238.051654] ? trace_hardirqs_off+0x300/0x300 [ 238.056154] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 238.061695] ? check_preemption_disabled+0x48/0x200 [ 238.066712] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 238.072259] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 238.077130] apic_timer_interrupt+0xf/0x20 [ 238.081390] [ 238.083631] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 238.088565] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 238.107476] RSP: 0000:ffff88019f217748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 238.115196] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 238.122465] RDX: 0000000000000000 RSI: ffff88019f972d00 RDI: 0000000000000282 [ 238.129952] RBP: ffff88019f2177b0 R08: ffff88019f972480 R09: 0000000000000000 [ 238.137235] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 238.144502] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 238.151821] skb_clone+0x1bb/0x500 [ 238.155366] ? finish_task_switch+0x2f5/0x900 [ 238.159880] ? skb_split+0x11e0/0x11e0 [ 238.163802] ? preempt_notifier_register+0x200/0x200 [ 238.168905] ? __switch_to_asm+0x34/0x70 [ 238.172963] ? __switch_to_asm+0x34/0x70 [ 238.177041] ? __switch_to_asm+0x40/0x70 [ 238.181107] ? __switch_to_asm+0x34/0x70 [ 238.185167] ? __switch_to_asm+0x40/0x70 [ 238.189227] ? __switch_to_asm+0x34/0x70 [ 238.193308] ? __switch_to_asm+0x40/0x70 [ 238.197365] ? __switch_to_asm+0x34/0x70 [ 238.201423] ? __switch_to_asm+0x34/0x70 [ 238.205502] ? __switch_to_asm+0x40/0x70 [ 238.209564] ? __switch_to_asm+0x34/0x70 [ 238.213638] bpf_clone_redirect+0xb9/0x490 [ 238.217876] ? __schedule+0x874/0x1ed0 [ 238.221825] bpf_prog_a2323609a0d1adb1+0x624/0x1000 [ 238.226846] ? __sched_text_start+0x8/0x8 [ 238.230998] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 238.235770] ? find_held_lock+0x36/0x1c0 [ 238.239844] ? lock_acquire+0x1ed/0x520 [ 238.243819] ? bpf_test_run+0x32e/0x5a0 [ 238.247798] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.253345] ? check_preemption_disabled+0x48/0x200 [ 238.258576] ? kasan_check_read+0x11/0x20 [ 238.262729] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 238.268007] ? rcu_bh_qs+0xc0/0xc0 [ 238.271555] ? preempt_schedule+0x4d/0x60 [ 238.275705] ? ___preempt_schedule+0x16/0x18 [ 238.280138] ? bpf_test_run+0x1c0/0x5a0 [ 238.284129] ? netlink_diag_dump+0x2a0/0x2a0 [ 238.288541] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 238.294079] ? bpf_test_init.isra.9+0x70/0x100 [ 238.298666] ? bpf_prog_test_run_skb+0x634/0xb40 [ 238.303429] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 238.308270] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 238.313805] ? fput+0x130/0x1a0 [ 238.317093] ? __bpf_prog_get+0x9b/0x290 [ 238.321157] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 238.326002] ? bpf_prog_test_run+0x130/0x1a0 [ 238.330414] ? __x64_sys_bpf+0x3d8/0x510 [ 238.334474] ? bpf_prog_get+0x20/0x20 [ 238.338300] ? do_syscall_64+0x1b9/0x820 [ 238.342370] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 238.347742] ? syscall_return_slowpath+0x5e0/0x5e0 [ 238.352678] ? trace_hardirqs_off+0x300/0x300 [ 238.357178] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 238.362196] ? recalc_sigpending_tsk+0x180/0x180 [ 238.366970] ? kasan_check_write+0x14/0x20 [ 238.371214] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 238.376082] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 238.381472] CPU: 1 PID: 5351 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51 [ 238.381539] aoe: skb alloc failure [ 238.388675] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 238.388680] Call Trace: [ 238.388687] [ 238.388706] dump_stack+0x1c4/0x2b4 [ 238.388722] ? dump_stack_print_info.cold.2+0x52/0x52 [ 238.388748] warn_alloc.cold.118+0xb7/0x1bd [ 238.392298] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 238.401639] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 238.404199] syz-executor0 cpuset= [ 238.406359] ? lock_downgrade+0x900/0x900 [ 238.409956] syz0 [ 238.415152] ? trace_hardirqs_off+0xb8/0x300 [ 238.419452] mems_allowed=0 [ 238.429971] ? trace_hardirqs_off+0xb8/0x300 [ 238.456065] __alloc_pages_slowpath+0x2667/0x2d80 [ 238.460951] ? warn_alloc+0x120/0x120 [ 238.464766] ? trace_hardirqs_on+0x310/0x310 [ 238.469196] ? warn_alloc+0x120/0x120 [ 238.473020] ? print_usage_bug+0xc0/0xc0 [ 238.477104] ? warn_alloc+0x120/0x120 [ 238.480911] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 238.485934] ? print_usage_bug+0xc0/0xc0 [ 238.490016] ? __lock_acquire+0x7ec/0x4ec0 [ 238.494265] ? __lock_acquire+0x7ec/0x4ec0 [ 238.498516] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 238.504100] ? should_fail+0x22d/0xd01 [ 238.508002] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 238.513112] ? __lock_acquire+0x7ec/0x4ec0 [ 238.517374] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 238.522479] ? __lock_acquire+0x7ec/0x4ec0 [ 238.526710] ? should_fail+0x22d/0xd01 [ 238.530595] ? print_usage_bug+0xc0/0xc0 [ 238.534668] ? mark_held_locks+0x130/0x130 [ 238.538910] ? mark_held_locks+0x130/0x130 [ 238.543158] ? graph_lock+0x170/0x170 [ 238.546962] ? print_usage_bug+0xc0/0xc0 [ 238.551027] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 238.555793] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.561340] ? check_preemption_disabled+0x48/0x200 [ 238.566361] ? check_preemption_disabled+0x48/0x200 [ 238.571390] ? __lock_is_held+0xb5/0x140 [ 238.575463] __alloc_pages_nodemask+0xa80/0xde0 [ 238.580136] ? graph_lock+0x170/0x170 [ 238.583947] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 238.588964] ? graph_lock+0x170/0x170 [ 238.592776] ? find_held_lock+0x36/0x1c0 [ 238.596858] ? ____cache_alloc_node+0x1c7/0x1e0 [ 238.601528] ? lock_downgrade+0x900/0x900 [ 238.605685] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.611239] cache_grow_begin+0x91/0x8c0 [ 238.615312] ? do_raw_spin_unlock+0xa7/0x2f0 [ 238.619742] fallback_alloc+0x203/0x2e0 [ 238.623737] ____cache_alloc_node+0x1c7/0x1e0 [ 238.628250] kmem_cache_alloc_node+0xe3/0x730 [ 238.632754] ? ipv6_get_ifaddr+0x42e/0x620 [ 238.637004] __alloc_skb+0x119/0x770 [ 238.640726] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 238.646013] ? skb_scrub_packet+0x490/0x490 [ 238.650345] ? lock_downgrade+0x900/0x900 [ 238.654505] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.660084] ? refcount_sub_and_test_checked+0x203/0x310 [ 238.665567] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 238.671025] ? addrconf_rs_timer+0x6f0/0x6f0 [ 238.675458] ndisc_alloc_skb+0x144/0x340 [ 238.679527] ndisc_send_rs+0x331/0x6e0 [ 238.683427] addrconf_rs_timer+0x3c0/0x6f0 [ 238.687675] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 238.691933] call_timer_fn+0x272/0x920 [ 238.695912] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 238.700153] ? process_timeout+0x40/0x40 [ 238.704218] ? find_held_lock+0x36/0x1c0 [ 238.708298] ? __run_timers+0x7da/0xc70 [ 238.712280] ? _raw_spin_unlock_irq+0x27/0x80 [ 238.716773] ? _raw_spin_unlock_irq+0x27/0x80 [ 238.721273] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 238.725514] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 238.730103] ? trace_hardirqs_on+0xbd/0x310 [ 238.734425] ? kasan_check_read+0x11/0x20 [ 238.738578] ? __run_timers+0x7da/0xc70 [ 238.742558] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 238.748027] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 238.752287] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 238.756541] __run_timers+0x7e5/0xc70 [ 238.760359] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 238.765727] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 238.770768] ? graph_lock+0x170/0x170 [ 238.774574] ? enqueue_hrtimer+0x1a5/0x560 [ 238.778812] ? lock_release+0x970/0x970 [ 238.782791] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 238.787996] ? find_held_lock+0x36/0x1c0 [ 238.792082] ? pvclock_read_flags+0x160/0x160 [ 238.796584] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.802132] ? check_preemption_disabled+0x48/0x200 [ 238.807164] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 238.812712] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 238.818002] ? rcu_pm_notify+0xc0/0xc0 [ 238.821898] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.827442] ? check_preemption_disabled+0x48/0x200 [ 238.832473] run_timer_softirq+0x52/0xb0 [ 238.836543] ? rcu_read_lock_sched_held+0x108/0x120 [ 238.841579] __do_softirq+0x30b/0xad8 [ 238.845406] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 238.850533] ? pvclock_read_flags+0x160/0x160 [ 238.855051] ? lapic_next_event+0x5a/0x90 [ 238.859218] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.864784] ? check_preemption_disabled+0x48/0x200 [ 238.869837] ? check_preemption_disabled+0x48/0x200 [ 238.874876] ? kvm_clock_read+0x18/0x30 [ 238.878859] ? kvm_sched_clock_read+0x9/0x20 [ 238.883271] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.888815] ? check_preemption_disabled+0x48/0x200 [ 238.893851] irq_exit+0x17f/0x1c0 [ 238.897318] smp_apic_timer_interrupt+0x1cb/0x760 [ 238.902162] ? smp_reschedule_interrupt+0x109/0x650 [ 238.907192] ? smp_call_function_single_interrupt+0x650/0x650 [ 238.913083] ? interrupt_entry+0xb5/0xf0 [ 238.917147] ? trace_hardirqs_off_caller+0xbb/0x300 [ 238.922163] ? trace_hardirqs_off_caller+0xbb/0x300 [ 238.927702] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 238.932546] ? trace_hardirqs_off+0x300/0x300 [ 238.937050] ? trace_hardirqs_off+0x300/0x300 [ 238.941548] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.947097] ? check_preemption_disabled+0x48/0x200 [ 238.952129] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 238.957688] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 238.962555] apic_timer_interrupt+0xf/0x20 [ 238.966794] [ 238.969058] RIP: 0010:_raw_write_unlock_irq+0x56/0x80 [ 238.974252] Code: 52 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d ab aa 92 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 f0 ec 95 f9 65 8b 05 a9 6e 42 78 85 c0 74 05 5b [ 238.993159] RSP: 0018:ffff8801d8cf7350 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 239.000870] RAX: dffffc0000000000 RBX: ffffffff894090c0 RCX: 0000000000000000 [ 239.008147] RDX: 1ffffffff12a4537 RSI: 0000000000000001 RDI: ffffffff895229b8 [ 239.015414] RBP: ffff8801d8cf7358 R08: ffff8801c24ca580 R09: 0000000000000000 [ 239.022678] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d70737c0 [ 239.029944] R13: ffff8801d8cf7490 R14: 0000000000000000 R15: ffff8801c24cab00 [ 239.037250] do_exit+0x11ef/0x2610 [ 239.040793] ? mem_cgroup_commit_charge+0x275/0x9d0 [ 239.045834] ? mm_update_next_owner+0x990/0x990 [ 239.050509] ? print_usage_bug+0xc0/0xc0 [ 239.054567] ? graph_lock+0x170/0x170 [ 239.058378] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.063939] ? check_preemption_disabled+0x48/0x200 [ 239.068954] ? check_preemption_disabled+0x48/0x200 [ 239.073974] ? print_usage_bug+0xc0/0xc0 [ 239.078040] ? __lock_acquire+0x7ec/0x4ec0 [ 239.082298] ? __lock_acquire+0x7ec/0x4ec0 [ 239.086552] ? mark_held_locks+0x130/0x130 [ 239.090798] ? mark_held_locks+0x130/0x130 [ 239.095057] ? finish_task_switch+0x1b5/0x900 [ 239.099555] ? __switch_to_asm+0x34/0x70 [ 239.103619] ? __switch_to_asm+0x34/0x70 [ 239.107679] ? __switch_to_asm+0x34/0x70 [ 239.111736] ? __switch_to_asm+0x40/0x70 [ 239.115797] ? __switch_to_asm+0x34/0x70 [ 239.119862] ? __switch_to_asm+0x40/0x70 [ 239.123924] ? __switch_to_asm+0x34/0x70 [ 239.128293] ? __switch_to_asm+0x34/0x70 [ 239.132363] ? __switch_to_asm+0x34/0x70 [ 239.136423] ? __switch_to_asm+0x34/0x70 [ 239.140481] ? __switch_to_asm+0x40/0x70 [ 239.144541] ? __switch_to_asm+0x34/0x70 [ 239.148605] ? __switch_to_asm+0x40/0x70 [ 239.152679] ? graph_lock+0x170/0x170 [ 239.156484] ? graph_lock+0x170/0x170 [ 239.160288] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.165914] ? wait_consider_task+0x245/0x3bb0 [ 239.170503] ? memset+0x31/0x40 [ 239.173796] ? find_held_lock+0x36/0x1c0 [ 239.177880] ? get_signal+0x95b/0x1980 [ 239.181778] ? _raw_spin_unlock_irq+0x27/0x80 [ 239.186286] ? _raw_spin_unlock_irq+0x27/0x80 [ 239.190812] do_group_exit+0x177/0x440 [ 239.194733] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 239.200215] ? __ia32_sys_exit+0x50/0x50 [ 239.204306] get_signal+0x8b0/0x1980 [ 239.208051] ? ptrace_notify+0x130/0x130 [ 239.212118] ? do_wait+0x57d/0xb90 [ 239.215681] ? wait_consider_task+0x3bb0/0x3bb0 [ 239.220349] ? graph_lock+0x170/0x170 [ 239.224153] ? graph_lock+0x170/0x170 [ 239.227959] ? graph_lock+0x170/0x170 [ 239.231782] do_signal+0x9c/0x21e0 [ 239.235381] ? find_held_lock+0x36/0x1c0 [ 239.239454] ? setup_sigcontext+0x7d0/0x7d0 [ 239.243778] ? kernel_wait4+0x2e0/0x3f0 [ 239.247762] ? __ia32_sys_waitid+0x140/0x140 [ 239.252180] ? task_stopped_code+0x190/0x190 [ 239.256594] ? exit_to_usermode_loop+0x8c/0x380 [ 239.261289] ? __do_page_fault+0x4a6/0xed0 [ 239.265531] ? do_syscall_64+0x9a/0x820 [ 239.269529] ? do_syscall_64+0x9a/0x820 [ 239.273518] exit_to_usermode_loop+0x2e5/0x380 [ 239.278121] ? syscall_slow_exit_work+0x520/0x520 [ 239.282984] do_syscall_64+0x6be/0x820 [ 239.286877] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 239.292246] ? syscall_return_slowpath+0x5e0/0x5e0 [ 239.297180] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 239.302029] ? trace_hardirqs_off+0x300/0x300 [ 239.306538] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 239.311561] ? prepare_exit_to_usermode+0x291/0x3b0 [ 239.316590] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 239.321448] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 239.326637] RIP: 0033:0x410e7a [ 239.329838] Code: Bad RIP value. [ 239.333207] RSP: 002b:00007ffdfa797988 EFLAGS: 00000246 ORIG_RAX: 000000000000003d [ 239.340916] RAX: fffffffffffffe00 RBX: 00000000000014f2 RCX: 0000000000410e7a [ 239.348189] RDX: 0000000040000000 RSI: 00007ffdfa797994 RDI: ffffffffffffffff [ 239.355465] RBP: 0000000000930b28 R08: 00000000000014e7 R09: 00000000024eb940 [ 239.362740] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010 [ 239.370029] R13: 0000000000412a80 R14: 0000000000000000 R15: 0000000000000000 [ 239.377333] warn_alloc_show_mem: 1 callbacks suppressed [ 239.377346] CPU: 0 PID: 9562 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51 [ 239.377348] Mem-Info: [ 239.377378] active_anon:43308 inactive_anon:372 isolated_anon:0 [ 239.377378] active_file:9 inactive_file:26 isolated_file:0 [ 239.377378] unevictable:0 dirty:0 writeback:0 unstable:0 [ 239.377378] slab_reclaimable:8855 slab_unreclaimable:1462387 [ 239.377378] mapped:57522 shmem:379 pagetables:727 bounce:0 [ 239.377378] free:13711 free_pcp:202 free_cma:0 [ 239.382717] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 239.382725] Call Trace: [ 239.389926] Node 0 active_anon:173232kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 239.392330] [ 239.425215] Node 0 [ 239.434575] dump_stack+0x1c4/0x2b4 [ 239.437158] 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 [ 239.464889] ? dump_stack_print_info.cold.2+0x52/0x52 [ 239.467014] lowmem_reserve[]: [ 239.469258] warn_alloc.cold.118+0xb7/0x1bd [ 239.472850] 0 [ 239.498376] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 239.503540] 2817 [ 239.506644] ? lock_downgrade+0x900/0x900 [ 239.510939] 6321 [ 239.512743] ? trace_hardirqs_off+0xb8/0x300 [ 239.517550] 6321 [ 239.519621] ? trace_hardirqs_off+0xb8/0x300 [ 239.523757] Node 0 [ 239.525820] __alloc_pages_slowpath+0x2667/0x2d80 [ 239.530231] DMA32 free:24940kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 239.532291] ? warn_alloc+0x120/0x120 [ 239.536646] lowmem_reserve[]: [ 239.538887] ? __lock_acquire+0x7ec/0x4ec0 [ 239.543705] 0 [ 239.570521] ? warn_alloc+0x120/0x120 [ 239.574297] 0 [ 239.577418] ? print_usage_bug+0xc0/0xc0 [ 239.581623] 3503 [ 239.583419] ? warn_alloc+0x120/0x120 [ 239.587194] 3503 [ 239.589038] ? print_usage_bug+0xc0/0xc0 [ 239.595138] ? mark_held_locks+0x130/0x130 [ 239.598928] Node 0 [ 239.601013] ? mark_held_locks+0x130/0x130 [ 239.605085] Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:169136kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5568kB pagetables:2908kB bounce:0kB free_pcp:808kB local_pcp:692kB free_cma:0kB [ 239.609291] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 239.611497] lowmem_reserve[]: [ 239.615728] ? should_fail+0x22d/0xd01 [ 239.644160] 0 0 [ 239.649719] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.652785] 0 0 [ 239.656679] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 239.664161] ? __lock_acquire+0x7ec/0x4ec0 [ 239.666116] Node 0 [ 239.671226] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 239.675438] DMA: [ 239.677670] ? should_fail+0x22d/0xd01 [ 239.682765] 1*4kB [ 239.684820] ? __sanitizer_cov_trace_const_cmp1+0x10/0x20 [ 239.684846] ? mark_held_locks+0x130/0x130 [ 239.688701] (U) [ 239.690861] ? mark_held_locks+0x130/0x130 [ 239.696374] 0*8kB [ 239.700601] ? graph_lock+0x170/0x170 [ 239.702549] 0*16kB [ 239.706772] ? graph_lock+0x170/0x170 [ 239.708902] 1*32kB [ 239.712694] ? print_usage_bug+0xc0/0xc0 [ 239.714924] (U) [ 239.718718] ? do_raw_spin_unlock+0xa7/0x2f0 [ 239.720931] 2*64kB [ 239.725038] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.727007] (U) [ 239.731432] ? check_preemption_disabled+0x48/0x200 [ 239.733643] 1*128kB [ 239.739175] ? check_preemption_disabled+0x48/0x200 [ 239.741124] (U) [ 239.746143] ? __lock_is_held+0xb5/0x140 [ 239.748430] 1*256kB (U) [ 239.753465] __alloc_pages_nodemask+0xa80/0xde0 [ 239.755416] 0*512kB [ 239.759467] ? graph_lock+0x170/0x170 [ 239.762116] 1*1024kB [ 239.766776] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 239.769077] (U) [ 239.772920] ? graph_lock+0x170/0x170 [ 239.775315] 1*2048kB [ 239.780356] ? find_held_lock+0x36/0x1c0 [ 239.782320] (M) [ 239.786140] ? ____cache_alloc_node+0x1c7/0x1e0 [ 239.788527] 3*4096kB [ 239.792579] ? lock_downgrade+0x900/0x900 [ 239.794528] (M) [ 239.799204] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.801584] = 15908kB [ 239.805727] cache_grow_begin+0x91/0x8c0 [ 239.807676] Node 0 [ 239.813209] ? do_raw_spin_unlock+0xa7/0x2f0 [ 239.815585] DMA32: 3*4kB [ 239.819652] fallback_alloc+0x203/0x2e0 [ 239.821887] (UM) [ 239.826315] ____cache_alloc_node+0x1c7/0x1e0 [ 239.829054] 2*8kB [ 239.833074] kmem_cache_alloc_node+0xe3/0x730 [ 239.835121] (U) [ 239.839611] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 239.841735] 5*16kB [ 239.846224] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 239.848173] (UM) [ 239.853273] __alloc_skb+0x119/0x770 [ 239.855479] 2*32kB [ 239.860063] ? calc_wheel_index+0x220/0x220 [ 239.862098] (UM) [ 239.865824] ? skb_scrub_packet+0x490/0x490 [ 239.868036] 3*64kB [ 239.872373] ? vprintk_default+0x28/0x30 [ 239.874432] (UM) [ 239.878743] ? vprintk_func+0x85/0x181 [ 239.880956] 4*128kB [ 239.885008] ? printk+0xa7/0xcf [ 239.887068] (UM) [ 239.890949] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 239.893247] 2*256kB [ 239.896525] new_skb+0x26/0x1c0 [ 239.898556] (M) [ 239.903301] aoecmd_cfg+0x279/0x7f0 [ 239.905616] 4*512kB [ 239.908886] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 239.910834] (UM) [ 239.914458] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 239.916753] 3*1024kB [ 239.921090] ? check_preemption_disabled+0x48/0x200 [ 239.923128] (M) [ 239.928662] ? check_preemption_disabled+0x48/0x200 [ 239.931054] 1*2048kB [ 239.936073] ? __lock_is_held+0xb5/0x140 [ 239.938018] (U) [ 239.943033] discover_timer+0x50/0x60 [ 239.945426] 4*4096kB [ 239.949483] call_timer_fn+0x272/0x920 [ 239.951433] (M) [ 239.955226] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 239.957605] = 24940kB [ 239.957613] Node 0 [ 239.961493] ? process_timeout+0x40/0x40 [ 239.963444] Normal: [ 239.968275] ? find_held_lock+0x36/0x1c0 [ 239.970659] 667*4kB [ 239.972893] ? __run_timers+0x7da/0xc70 [ 239.976922] (UMEH) [ 239.979242] ? _raw_spin_unlock_irq+0x27/0x80 [ 239.983277] 358*8kB [ 239.985590] ? _raw_spin_unlock_irq+0x27/0x80 [ 239.989537] (UMEH) [ 239.991767] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 239.996241] 191*16kB [ 239.998577] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 240.003056] (UMEH) [ 240.005303] ? trace_hardirqs_on+0xbd/0x310 [ 240.010124] 81*32kB [ 240.012550] ? kasan_check_read+0x11/0x20 [ 240.017107] (UMEH) [ 240.019347] ? __run_timers+0x7da/0xc70 [ 240.023640] 30*64kB [ 240.025957] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 240.030074] (UMH) [ 240.032312] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 240.036291] 1*128kB [ 240.038614] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 240.044040] (M) [ 240.046198] __run_timers+0x7e5/0xc70 [ 240.050412] 3*256kB [ 240.052740] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 240.057546] (UH) [ 240.059517] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 240.063291] 0*512kB [ 240.065611] ? graph_lock+0x170/0x170 [ 240.070962] 0*1024kB [ 240.073013] ? enqueue_hrtimer+0x1a5/0x560 [ 240.078003] 0*2048kB [ 240.080322] ? lock_release+0x970/0x970 [ 240.084090] 0*4096kB = 13996kB [ 240.086505] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 240.090723] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 240.093130] ? find_held_lock+0x36/0x1c0 [ 240.097093] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 240.100277] ? graph_lock+0x170/0x170 [ 240.105440] 414 total pagecache pages [ 240.114268] ? pvclock_read_flags+0x160/0x160 [ 240.118308] 0 pages in swap cache [ 240.126878] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.130656] Swap cache stats: add 0, delete 0, find 0/0 [ 240.134452] ? check_preemption_disabled+0x48/0x200 [ 240.138916] Free swap = 0kB [ 240.142368] ? __lock_is_held+0xb5/0x140 [ 240.147872] Total swap = 0kB [ 240.153228] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.158221] 1965979 pages RAM [ 240.161231] ? check_preemption_disabled+0x48/0x200 [ 240.165266] 0 pages HighMem/MovableOnly [ 240.168299] run_timer_softirq+0x52/0xb0 [ 240.173820] 342744 pages reserved [ 240.176919] ? rcu_read_lock_sched_held+0x108/0x120 [ 240.181905] 0 pages cma reserved [ 240.185870] __do_softirq+0x30b/0xad8 [ 240.189961] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 240.193348] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 240.198485] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 240.201731] ? pvclock_read_flags+0x160/0x160 [ 240.205506] syz-executor1 cpuset= [ 240.212002] ? lapic_next_event+0x5a/0x90 [ 240.217079] / [ 240.227579] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.232061] mems_allowed=0 [ 240.235509] ? check_preemption_disabled+0x48/0x200 [ 240.254866] ? check_preemption_disabled+0x48/0x200 [ 240.260095] ? kvm_clock_read+0x18/0x30 [ 240.264075] ? kvm_sched_clock_read+0x9/0x20 [ 240.268492] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.274033] ? check_preemption_disabled+0x48/0x200 [ 240.279090] irq_exit+0x17f/0x1c0 [ 240.282549] smp_apic_timer_interrupt+0x1cb/0x760 [ 240.287409] ? smp_reschedule_interrupt+0x109/0x650 [ 240.292446] ? smp_call_function_single_interrupt+0x650/0x650 [ 240.298351] ? interrupt_entry+0xb5/0xf0 [ 240.302412] ? trace_hardirqs_off_caller+0xbb/0x300 [ 240.307426] ? trace_hardirqs_off_caller+0xbb/0x300 [ 240.312460] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 240.317326] ? trace_hardirqs_off+0x300/0x300 [ 240.321835] ? trace_hardirqs_off+0x300/0x300 [ 240.326334] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 240.331904] ? check_preemption_disabled+0x48/0x200 [ 240.336931] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 240.342478] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 240.347335] apic_timer_interrupt+0xf/0x20 [ 240.351561] [ 240.353802] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 240.358736] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 240.377636] RSP: 0000:ffff88019f217748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 240.385345] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 240.392614] RDX: 0000000000000000 RSI: ffff88019f972d00 RDI: 0000000000000282 [ 240.399880] RBP: ffff88019f2177b0 R08: ffff88019f972480 R09: 0000000000000000 [ 240.407149] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 240.414418] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 240.421847] skb_clone+0x1bb/0x500 [ 240.425409] ? finish_task_switch+0x2f5/0x900 [ 240.429904] ? skb_split+0x11e0/0x11e0 [ 240.433795] ? preempt_notifier_register+0x200/0x200 [ 240.438900] ? __switch_to_asm+0x34/0x70 [ 240.442991] ? __switch_to_asm+0x34/0x70 [ 240.447064] ? __switch_to_asm+0x40/0x70 [ 240.451127] ? __switch_to_asm+0x34/0x70 [ 240.455187] ? __switch_to_asm+0x40/0x70 [ 240.459284] ? __switch_to_asm+0x34/0x70 [ 240.463346] ? __switch_to_asm+0x40/0x70 [ 240.467407] ? __switch_to_asm+0x34/0x70 [ 240.471470] ? __switch_to_asm+0x34/0x70 [ 240.475529] ? __switch_to_asm+0x40/0x70 [ 240.479591] ? __switch_to_asm+0x34/0x70 [ 240.483668] bpf_clone_redirect+0xb9/0x490 [ 240.487908] ? __schedule+0x874/0x1ed0 [ 240.491807] bpf_prog_a2323609a0d1adb1+0x624/0x1000 [ 240.496832] ? __sched_text_start+0x8/0x8 [ 240.500982] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 240.505773] ? find_held_lock+0x36/0x1c0 [ 240.509844] ? lock_acquire+0x1ed/0x520 [ 240.513824] ? bpf_test_run+0x32e/0x5a0 [ 240.517803] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.523382] ? check_preemption_disabled+0x48/0x200 [ 240.528410] ? kasan_check_read+0x11/0x20 [ 240.532564] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 240.537845] ? rcu_bh_qs+0xc0/0xc0 [ 240.541387] ? preempt_schedule+0x4d/0x60 [ 240.545538] ? ___preempt_schedule+0x16/0x18 [ 240.549965] ? bpf_test_run+0x1c0/0x5a0 [ 240.553959] ? netlink_diag_dump+0x2a0/0x2a0 [ 240.558375] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 240.563938] ? bpf_test_init.isra.9+0x70/0x100 [ 240.568527] ? bpf_prog_test_run_skb+0x634/0xb40 [ 240.573385] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 240.578228] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 240.583762] ? fput+0x130/0x1a0 [ 240.587056] ? __bpf_prog_get+0x9b/0x290 [ 240.591133] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 240.596000] ? bpf_prog_test_run+0x130/0x1a0 [ 240.600414] ? __x64_sys_bpf+0x3d8/0x510 [ 240.604475] ? bpf_prog_get+0x20/0x20 [ 240.608300] ? do_syscall_64+0x1b9/0x820 [ 240.612368] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 240.617732] ? syscall_return_slowpath+0x5e0/0x5e0 [ 240.622671] ? trace_hardirqs_off+0x300/0x300 [ 240.627174] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 240.632195] ? recalc_sigpending_tsk+0x180/0x180 [ 240.636954] ? kasan_check_write+0x14/0x20 [ 240.641228] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 240.646120] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 240.651506] CPU: 1 PID: 5351 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51 [ 240.651591] aoe: skb alloc failure [ 240.658699] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 240.658704] Call Trace: [ 240.658711] [ 240.658727] dump_stack+0x1c4/0x2b4 [ 240.658747] ? dump_stack_print_info.cold.2+0x52/0x52 [ 240.662319] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 240.671641] warn_alloc.cold.118+0xb7/0x1bd [ 240.674193] syz-executor0 cpuset= [ 240.676341] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 240.679940] syz0 [ 240.685123] ? lock_downgrade+0x900/0x900 [ 240.695583] mems_allowed=0 [ 240.699941] ? trace_hardirqs_off+0xb8/0x300 [ 240.721631] ? trace_hardirqs_off+0xb8/0x300 [ 240.726088] __alloc_pages_slowpath+0x2667/0x2d80 [ 240.730967] ? warn_alloc+0x120/0x120 [ 240.734772] ? trace_hardirqs_on+0x310/0x310 [ 240.739187] ? warn_alloc+0x120/0x120 [ 240.742989] ? print_usage_bug+0xc0/0xc0 [ 240.747059] ? warn_alloc+0x120/0x120 [ 240.750862] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 240.755878] ? print_usage_bug+0xc0/0xc0 [ 240.759943] ? __lock_acquire+0x7ec/0x4ec0 [ 240.764195] ? __lock_acquire+0x7ec/0x4ec0 [ 240.768435] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 240.774012] ? should_fail+0x22d/0xd01 [ 240.777926] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 240.783030] ? __lock_acquire+0x7ec/0x4ec0 [ 240.787277] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 240.792379] ? __lock_acquire+0x7ec/0x4ec0 [ 240.796611] ? should_fail+0x22d/0xd01 [ 240.800501] ? print_usage_bug+0xc0/0xc0 [ 240.804571] ? mark_held_locks+0x130/0x130 [ 240.808815] ? mark_held_locks+0x130/0x130 [ 240.813079] ? graph_lock+0x170/0x170 [ 240.816885] ? print_usage_bug+0xc0/0xc0 [ 240.821379] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 240.826137] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.831693] ? check_preemption_disabled+0x48/0x200 [ 240.836707] ? check_preemption_disabled+0x48/0x200 [ 240.841738] ? __lock_is_held+0xb5/0x140 [ 240.845812] __alloc_pages_nodemask+0xa80/0xde0 [ 240.850481] ? graph_lock+0x170/0x170 [ 240.854286] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 240.859319] ? graph_lock+0x170/0x170 [ 240.863135] ? find_held_lock+0x36/0x1c0 [ 240.867212] ? ____cache_alloc_node+0x1c7/0x1e0 [ 240.871885] ? lock_downgrade+0x900/0x900 [ 240.876051] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.881599] cache_grow_begin+0x91/0x8c0 [ 240.885660] ? do_raw_spin_unlock+0xa7/0x2f0 [ 240.890085] fallback_alloc+0x203/0x2e0 [ 240.894077] ____cache_alloc_node+0x1c7/0x1e0 [ 240.898579] kmem_cache_alloc_node+0xe3/0x730 [ 240.903082] ? ipv6_get_ifaddr+0x42e/0x620 [ 240.907333] __alloc_skb+0x119/0x770 [ 240.911063] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 240.916376] ? skb_scrub_packet+0x490/0x490 [ 240.920716] ? lock_downgrade+0x900/0x900 [ 240.924917] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.930458] ? refcount_sub_and_test_checked+0x203/0x310 [ 240.935909] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 240.941361] ? addrconf_rs_timer+0x6f0/0x6f0 [ 240.945784] ndisc_alloc_skb+0x144/0x340 [ 240.949857] ndisc_send_rs+0x331/0x6e0 [ 240.953780] addrconf_rs_timer+0x3c0/0x6f0 [ 240.958076] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 240.962329] call_timer_fn+0x272/0x920 [ 240.966219] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 240.970459] ? process_timeout+0x40/0x40 [ 240.974539] ? find_held_lock+0x36/0x1c0 [ 240.978628] ? __run_timers+0x7da/0xc70 [ 240.982607] ? _raw_spin_unlock_irq+0x27/0x80 [ 240.987120] ? _raw_spin_unlock_irq+0x27/0x80 [ 240.991613] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 240.996022] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 241.000618] ? trace_hardirqs_on+0xbd/0x310 [ 241.004941] ? kasan_check_read+0x11/0x20 [ 241.009118] ? __run_timers+0x7da/0xc70 [ 241.013095] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 241.018569] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 241.022831] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 241.027075] __run_timers+0x7e5/0xc70 [ 241.030932] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 241.036298] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 241.041337] ? graph_lock+0x170/0x170 [ 241.045157] ? enqueue_hrtimer+0x1a5/0x560 [ 241.049390] ? lock_release+0x970/0x970 [ 241.053365] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 241.058564] ? find_held_lock+0x36/0x1c0 [ 241.062640] ? pvclock_read_flags+0x160/0x160 [ 241.067138] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.072677] ? check_preemption_disabled+0x48/0x200 [ 241.077702] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 241.083242] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 241.088520] ? rcu_pm_notify+0xc0/0xc0 [ 241.092424] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.097962] ? check_preemption_disabled+0x48/0x200 [ 241.103057] run_timer_softirq+0x52/0xb0 [ 241.107518] ? rcu_read_lock_sched_held+0x108/0x120 [ 241.112541] __do_softirq+0x30b/0xad8 [ 241.116370] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 241.121480] ? pvclock_read_flags+0x160/0x160 [ 241.126240] ? lapic_next_event+0x5a/0x90 [ 241.130389] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.135930] ? check_preemption_disabled+0x48/0x200 [ 241.140980] ? check_preemption_disabled+0x48/0x200 [ 241.146006] ? kvm_clock_read+0x18/0x30 [ 241.149983] ? kvm_sched_clock_read+0x9/0x20 [ 241.154398] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.159940] ? check_preemption_disabled+0x48/0x200 [ 241.164997] irq_exit+0x17f/0x1c0 [ 241.168486] smp_apic_timer_interrupt+0x1cb/0x760 [ 241.173440] ? smp_reschedule_interrupt+0x109/0x650 [ 241.178458] ? smp_call_function_single_interrupt+0x650/0x650 [ 241.184345] ? interrupt_entry+0xb5/0xf0 [ 241.188409] ? trace_hardirqs_off_caller+0xbb/0x300 [ 241.193423] ? trace_hardirqs_off_caller+0xbb/0x300 [ 241.198467] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 241.203375] ? trace_hardirqs_off+0x300/0x300 [ 241.207883] ? trace_hardirqs_off+0x300/0x300 [ 241.212379] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.217949] ? check_preemption_disabled+0x48/0x200 [ 241.222962] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.228506] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 241.233383] apic_timer_interrupt+0xf/0x20 [ 241.237616] [ 241.239856] RIP: 0010:_raw_write_unlock_irq+0x56/0x80 [ 241.245059] Code: 52 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d ab aa 92 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 f0 ec 95 f9 65 8b 05 a9 6e 42 78 85 c0 74 05 5b [ 241.263957] RSP: 0018:ffff8801d8cf7350 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 241.271678] RAX: dffffc0000000000 RBX: ffffffff894090c0 RCX: 0000000000000000 [ 241.278973] RDX: 1ffffffff12a4537 RSI: 0000000000000001 RDI: ffffffff895229b8 [ 241.286241] RBP: ffff8801d8cf7358 R08: ffff8801c24ca580 R09: 0000000000000000 [ 241.293510] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d70737c0 [ 241.300777] R13: ffff8801d8cf7490 R14: 0000000000000000 R15: ffff8801c24cab00 [ 241.308085] do_exit+0x11ef/0x2610 [ 241.311628] ? mem_cgroup_commit_charge+0x275/0x9d0 [ 241.316670] ? mm_update_next_owner+0x990/0x990 [ 241.321381] ? print_usage_bug+0xc0/0xc0 [ 241.325443] ? graph_lock+0x170/0x170 [ 241.329247] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.334810] ? check_preemption_disabled+0x48/0x200 [ 241.339842] ? check_preemption_disabled+0x48/0x200 [ 241.344924] ? print_usage_bug+0xc0/0xc0 [ 241.349034] ? __lock_acquire+0x7ec/0x4ec0 [ 241.353334] ? __lock_acquire+0x7ec/0x4ec0 [ 241.357610] ? mark_held_locks+0x130/0x130 [ 241.361875] ? mark_held_locks+0x130/0x130 [ 241.366114] ? finish_task_switch+0x1b5/0x900 [ 241.370630] ? __switch_to_asm+0x34/0x70 [ 241.374695] ? __switch_to_asm+0x34/0x70 [ 241.378756] ? __switch_to_asm+0x34/0x70 [ 241.382824] ? __switch_to_asm+0x40/0x70 [ 241.386883] ? __switch_to_asm+0x34/0x70 [ 241.390941] ? __switch_to_asm+0x40/0x70 [ 241.394998] ? __switch_to_asm+0x34/0x70 [ 241.399081] ? __switch_to_asm+0x34/0x70 [ 241.403145] ? __switch_to_asm+0x34/0x70 [ 241.407209] ? __switch_to_asm+0x34/0x70 [ 241.411268] ? __switch_to_asm+0x40/0x70 [ 241.415329] ? __switch_to_asm+0x34/0x70 [ 241.419387] ? __switch_to_asm+0x40/0x70 [ 241.423476] ? graph_lock+0x170/0x170 [ 241.427282] ? graph_lock+0x170/0x170 [ 241.431089] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.436630] ? wait_consider_task+0x245/0x3bb0 [ 241.441216] ? memset+0x31/0x40 [ 241.444503] ? find_held_lock+0x36/0x1c0 [ 241.448578] ? get_signal+0x95b/0x1980 [ 241.452475] ? _raw_spin_unlock_irq+0x27/0x80 [ 241.456972] ? _raw_spin_unlock_irq+0x27/0x80 [ 241.461477] do_group_exit+0x177/0x440 [ 241.465388] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 241.470842] ? __ia32_sys_exit+0x50/0x50 [ 241.474944] get_signal+0x8b0/0x1980 [ 241.478682] ? ptrace_notify+0x130/0x130 [ 241.482741] ? do_wait+0x57d/0xb90 [ 241.486288] ? wait_consider_task+0x3bb0/0x3bb0 [ 241.490954] ? graph_lock+0x170/0x170 [ 241.494859] ? graph_lock+0x170/0x170 [ 241.498662] ? graph_lock+0x170/0x170 [ 241.502479] do_signal+0x9c/0x21e0 [ 241.506038] ? find_held_lock+0x36/0x1c0 [ 241.510132] ? setup_sigcontext+0x7d0/0x7d0 [ 241.514452] ? kernel_wait4+0x2e0/0x3f0 [ 241.518449] ? __ia32_sys_waitid+0x140/0x140 [ 241.522865] ? task_stopped_code+0x190/0x190 [ 241.527281] ? exit_to_usermode_loop+0x8c/0x380 [ 241.531961] ? __do_page_fault+0x4a6/0xed0 [ 241.536223] ? do_syscall_64+0x9a/0x820 [ 241.540214] ? do_syscall_64+0x9a/0x820 [ 241.544198] exit_to_usermode_loop+0x2e5/0x380 [ 241.548829] ? syscall_slow_exit_work+0x520/0x520 [ 241.553887] do_syscall_64+0x6be/0x820 [ 241.557776] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 241.563150] ? syscall_return_slowpath+0x5e0/0x5e0 [ 241.568084] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 241.572931] ? trace_hardirqs_off+0x300/0x300 [ 241.577431] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 241.582450] ? prepare_exit_to_usermode+0x291/0x3b0 [ 241.587477] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 241.592351] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 241.597539] RIP: 0033:0x410e7a [ 241.600732] Code: Bad RIP value. [ 241.604107] RSP: 002b:00007ffdfa797988 EFLAGS: 00000246 ORIG_RAX: 000000000000003d [ 241.611821] RAX: fffffffffffffe00 RBX: 00000000000014f2 RCX: 0000000000410e7a [ 241.619103] RDX: 0000000040000000 RSI: 00007ffdfa797994 RDI: ffffffffffffffff [ 241.626372] RBP: 0000000000930b28 R08: 00000000000014e7 R09: 00000000024eb940 [ 241.633666] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010 [ 241.640936] R13: 0000000000412a80 R14: 0000000000000000 R15: 0000000000000000 [ 241.648227] warn_alloc_show_mem: 1 callbacks suppressed [ 241.648239] CPU: 0 PID: 9562 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51 [ 241.648241] Mem-Info: [ 241.648270] active_anon:43308 inactive_anon:372 isolated_anon:0 [ 241.648270] active_file:9 inactive_file:26 isolated_file:0 [ 241.648270] unevictable:0 dirty:0 writeback:0 unstable:0 [ 241.648270] slab_reclaimable:8855 slab_unreclaimable:1462387 [ 241.648270] mapped:57522 shmem:379 pagetables:727 bounce:0 [ 241.648270] free:13711 free_pcp:202 free_cma:0 [ 241.653613] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 241.653621] Call Trace: [ 241.660832] Node 0 active_anon:173232kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 241.663247] [ 241.696027] Node 0 [ 241.705385] dump_stack+0x1c4/0x2b4 [ 241.708001] 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 [ 241.735768] ? dump_stack_print_info.cold.2+0x52/0x52 [ 241.737898] lowmem_reserve[]: [ 241.740144] warn_alloc.cold.118+0xb7/0x1bd [ 241.743738] 0 [ 241.769271] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 241.774438] 2817 [ 241.777537] ? lock_downgrade+0x900/0x900 [ 241.781846] 6321 6321 [ 241.783701] ? trace_hardirqs_off+0xb8/0x300 [ 241.788497] Node 0 [ 241.790557] ? trace_hardirqs_off+0xb8/0x300 [ 241.794701] DMA32 free:24940kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 241.797171] __alloc_pages_slowpath+0x2667/0x2d80 [ 241.801546] lowmem_reserve[]: [ 241.803806] ? warn_alloc+0x120/0x120 [ 241.808164] 0 [ 241.834970] ? __lock_acquire+0x7ec/0x4ec0 [ 241.839786] 0 [ 241.842883] ? warn_alloc+0x120/0x120 [ 241.846658] 3503 [ 241.848455] ? print_usage_bug+0xc0/0xc0 [ 241.852662] 3503 [ 241.854461] ? warn_alloc+0x120/0x120 [ 241.860321] ? print_usage_bug+0xc0/0xc0 [ 241.864351] Node 0 [ 241.866410] ? mark_held_locks+0x130/0x130 [ 241.870225] Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:169136kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5568kB pagetables:2908kB bounce:0kB free_pcp:808kB local_pcp:692kB free_cma:0kB [ 241.874254] ? mark_held_locks+0x130/0x130 [ 241.876464] lowmem_reserve[]: [ 241.880695] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 241.909224] 0 0 [ 241.913482] ? should_fail+0x22d/0xd01 [ 241.916554] 0 [ 241.922092] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.924040] 0 [ 241.927928] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 241.935234] ? __lock_acquire+0x7ec/0x4ec0 [ 241.937012] Node 0 [ 241.942109] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 241.946321] DMA: [ 241.948550] ? should_fail+0x22d/0xd01 [ 241.953628] 1*4kB [ 241.955687] ? __sanitizer_cov_trace_const_cmp1+0x10/0x20 [ 241.959549] (U) [ 241.961703] ? mark_held_locks+0x130/0x130 [ 241.967212] 0*8kB [ 241.969180] ? mark_held_locks+0x130/0x130 [ 241.973389] 0*16kB [ 241.975531] ? graph_lock+0x170/0x170 [ 241.979738] 1*32kB [ 241.981964] ? graph_lock+0x170/0x170 [ 241.985742] (U) [ 241.987970] ? print_usage_bug+0xc0/0xc0 [ 241.991753] 2*64kB [ 241.993716] ? do_raw_spin_unlock+0xa7/0x2f0 [ 241.993733] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 241.997768] (U) [ 242.000005] ? check_preemption_disabled+0x48/0x200 [ 242.004386] 1*128kB [ 242.009960] ? check_preemption_disabled+0x48/0x200 [ 242.011907] (U) [ 242.016922] ? __lock_is_held+0xb5/0x140 [ 242.019216] 1*256kB [ 242.024226] __alloc_pages_nodemask+0xa80/0xde0 [ 242.026282] (U) [ 242.030337] ? graph_lock+0x170/0x170 [ 242.032636] 0*512kB [ 242.037295] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 242.039245] 1*1024kB [ 242.043030] ? graph_lock+0x170/0x170 [ 242.043065] ? find_held_lock+0x36/0x1c0 [ 242.045363] (U) [ 242.050386] ? ____cache_alloc_node+0x1c7/0x1e0 [ 242.052766] 1*2048kB [ 242.056557] ? lock_downgrade+0x900/0x900 [ 242.060589] (M) [ 242.062567] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.067208] 3*4096kB [ 242.069612] cache_grow_begin+0x91/0x8c0 [ 242.073729] (M) [ 242.075701] ? do_raw_spin_unlock+0xa7/0x2f0 [ 242.081211] = 15908kB [ 242.083619] fallback_alloc+0x203/0x2e0 [ 242.087654] Node 0 [ 242.089631] ____cache_alloc_node+0x1c7/0x1e0 [ 242.094008] DMA32: [ 242.096439] kmem_cache_alloc_node+0xe3/0x730 [ 242.100386] 3*4kB [ 242.102615] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 242.107169] (UM) [ 242.109401] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 242.113898] 2*8kB [ 242.116053] __alloc_skb+0x119/0x770 [ 242.121124] (U) [ 242.123233] ? calc_wheel_index+0x220/0x220 [ 242.127786] 5*16kB (UM) [ 242.129954] ? skb_scrub_packet+0x490/0x490 [ 242.133656] 2*32kB [ 242.135630] ? vprintk_default+0x28/0x30 [ 242.139920] (UM) [ 242.142597] ? vprintk_func+0x85/0x181 [ 242.146891] 3*64kB (UM) [ 242.149131] ? printk+0xa7/0xcf [ 242.153166] 4*128kB [ 242.155223] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 242.159108] (UM) [ 242.161851] new_skb+0x26/0x1c0 [ 242.165100] 2*256kB [ 242.167415] aoecmd_cfg+0x279/0x7f0 [ 242.172148] (M) [ 242.174204] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 242.177460] 4*512kB [ 242.179796] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.183397] (UM) [ 242.185371] ? check_preemption_disabled+0x48/0x200 [ 242.189663] 3*1024kB [ 242.191983] ? check_preemption_disabled+0x48/0x200 [ 242.197491] (M) [ 242.199556] ? __lock_is_held+0xb5/0x140 [ 242.204538] 1*2048kB [ 242.206952] discover_timer+0x50/0x60 [ 242.211932] (U) [ 242.213900] call_timer_fn+0x272/0x920 [ 242.217936] 4*4096kB [ 242.220346] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 242.224119] (M) [ 242.226090] ? process_timeout+0x40/0x40 [ 242.229952] = 24940kB [ 242.232351] ? find_held_lock+0x36/0x1c0 [ 242.237170] Node 0 [ 242.239147] ? __run_timers+0x7da/0xc70 [ 242.243177] Normal: [ 242.245581] ? _raw_spin_unlock_irq+0x27/0x80 [ 242.249635] 667*4kB [ 242.251865] ? _raw_spin_unlock_irq+0x27/0x80 [ 242.255904] (UMEH) [ 242.258404] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 242.258419] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 242.262887] 358*8kB (UMEH) [ 242.265214] ? trace_hardirqs_on+0xbd/0x310 [ 242.269681] 191*16kB [ 242.271912] ? kasan_check_read+0x11/0x20 [ 242.276722] (UMEH) [ 242.281316] ? __run_timers+0x7da/0xc70 [ 242.284218] 81*32kB [ 242.288531] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 242.290918] (UMEH) [ 242.295072] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 242.297284] 30*64kB [ 242.301252] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 242.303548] (UMH) [ 242.309018] __run_timers+0x7e5/0xc70 [ 242.311230] 1*128kB [ 242.315469] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 242.317756] (M) [ 242.322592] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 242.324714] 3*256kB [ 242.328507] ? graph_lock+0x170/0x170 [ 242.330840] (UH) [ 242.336198] ? enqueue_hrtimer+0x1a5/0x560 [ 242.338153] 0*512kB [ 242.343174] ? lock_release+0x970/0x970 [ 242.345475] 0*1024kB [ 242.349266] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 242.351306] 0*2048kB [ 242.355539] ? find_held_lock+0x36/0x1c0 [ 242.357839] 0*4096kB [ 242.361808] ? graph_lock+0x170/0x170 [ 242.364212] = 13996kB [ 242.369404] ? pvclock_read_flags+0x160/0x160 [ 242.371793] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 242.375855] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.378262] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 242.382077] ? check_preemption_disabled+0x48/0x200 [ 242.384459] 414 total pagecache pages [ 242.388952] ? __lock_is_held+0xb5/0x140 [ 242.397781] 0 pages in swap cache [ 242.403311] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.411858] Swap cache stats: add 0, delete 0, find 0/0 [ 242.416864] ? check_preemption_disabled+0x48/0x200 [ 242.420642] Free swap = 0kB [ 242.424701] run_timer_softirq+0x52/0xb0 [ 242.428125] Total swap = 0kB [ 242.433653] ? rcu_read_lock_sched_held+0x108/0x120 [ 242.438987] 1965979 pages RAM [ 242.443998] __do_softirq+0x30b/0xad8 [ 242.446992] 0 pages HighMem/MovableOnly [ 242.451062] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 242.454058] 342744 pages reserved [ 242.459112] ? pvclock_read_flags+0x160/0x160 [ 242.462190] 0 pages cma reserved [ 242.465982] ? lapic_next_event+0x5a/0x90 [ 242.470001] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 242.475030] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.478557] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 242.482968] ? check_preemption_disabled+0x48/0x200 [ 242.486324] syz-executor1 cpuset= [ 242.490473] ? check_preemption_disabled+0x48/0x200 [ 242.496938] / [ 242.502475] ? kvm_clock_read+0x18/0x30 [ 242.512939] mems_allowed=0 [ 242.517945] ? kvm_sched_clock_read+0x9/0x20 [ 242.539454] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.544996] ? check_preemption_disabled+0x48/0x200 [ 242.550027] irq_exit+0x17f/0x1c0 [ 242.553494] smp_apic_timer_interrupt+0x1cb/0x760 [ 242.558340] ? smp_reschedule_interrupt+0x109/0x650 [ 242.563707] ? smp_call_function_single_interrupt+0x650/0x650 [ 242.569592] ? interrupt_entry+0xb5/0xf0 [ 242.573656] ? trace_hardirqs_off_caller+0xbb/0x300 [ 242.578672] ? trace_hardirqs_off_caller+0xbb/0x300 [ 242.583695] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 242.588548] ? trace_hardirqs_off+0x300/0x300 [ 242.593044] ? trace_hardirqs_off+0x300/0x300 [ 242.597557] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 242.603098] ? check_preemption_disabled+0x48/0x200 [ 242.608129] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 242.613697] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 242.618554] apic_timer_interrupt+0xf/0x20 [ 242.622800] [ 242.625076] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 242.630064] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 242.648967] RSP: 0000:ffff88019f217748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 242.656679] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 242.663958] RDX: 0000000000000000 RSI: ffff88019f972d00 RDI: 0000000000000282 [ 242.671221] RBP: ffff88019f2177b0 R08: ffff88019f972480 R09: 0000000000000000 [ 242.678488] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 242.685755] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 242.693075] skb_clone+0x1bb/0x500 [ 242.696623] ? finish_task_switch+0x2f5/0x900 [ 242.701136] ? skb_split+0x11e0/0x11e0 [ 242.705027] ? preempt_notifier_register+0x200/0x200 [ 242.710136] ? __switch_to_asm+0x34/0x70 [ 242.714196] ? __switch_to_asm+0x34/0x70 [ 242.718267] ? __switch_to_asm+0x40/0x70 [ 242.722327] ? __switch_to_asm+0x34/0x70 [ 242.726386] ? __switch_to_asm+0x40/0x70 [ 242.730444] ? __switch_to_asm+0x34/0x70 [ 242.734502] ? __switch_to_asm+0x40/0x70 [ 242.738559] ? __switch_to_asm+0x34/0x70 [ 242.742618] ? __switch_to_asm+0x34/0x70 [ 242.746678] ? __switch_to_asm+0x40/0x70 [ 242.750756] ? __switch_to_asm+0x34/0x70 [ 242.754824] bpf_clone_redirect+0xb9/0x490 [ 242.759069] ? __schedule+0x874/0x1ed0 [ 242.762995] bpf_prog_a2323609a0d1adb1+0x624/0x1000 [ 242.768013] ? __sched_text_start+0x8/0x8 [ 242.772173] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 242.776960] ? find_held_lock+0x36/0x1c0 [ 242.781032] ? lock_acquire+0x1ed/0x520 [ 242.785042] ? bpf_test_run+0x32e/0x5a0 [ 242.789039] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 242.794589] ? check_preemption_disabled+0x48/0x200 [ 242.799612] ? kasan_check_read+0x11/0x20 [ 242.803764] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 242.809055] ? rcu_bh_qs+0xc0/0xc0 [ 242.812601] ? preempt_schedule+0x4d/0x60 [ 242.816752] ? ___preempt_schedule+0x16/0x18 [ 242.821169] ? bpf_test_run+0x1c0/0x5a0 [ 242.825157] ? netlink_diag_dump+0x2a0/0x2a0 [ 242.829591] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 242.835132] ? bpf_test_init.isra.9+0x70/0x100 [ 242.839718] ? bpf_prog_test_run_skb+0x634/0xb40 [ 242.844481] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 242.849330] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 242.854868] ? fput+0x130/0x1a0 [ 242.858155] ? __bpf_prog_get+0x9b/0x290 [ 242.862218] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 242.867068] ? bpf_prog_test_run+0x130/0x1a0 [ 242.871483] ? __x64_sys_bpf+0x3d8/0x510 [ 242.875544] ? bpf_prog_get+0x20/0x20 [ 242.879366] ? do_syscall_64+0x1b9/0x820 [ 242.883429] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 242.888793] ? syscall_return_slowpath+0x5e0/0x5e0 [ 242.893729] ? trace_hardirqs_off+0x300/0x300 [ 242.898229] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 242.903246] ? recalc_sigpending_tsk+0x180/0x180 [ 242.908004] ? kasan_check_write+0x14/0x20 [ 242.912248] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 242.917102] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 242.922487] CPU: 1 PID: 5351 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51 [ 242.922588] aoe: skb alloc failure [ 242.929680] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 242.929685] Call Trace: [ 242.929692] [ 242.929708] dump_stack+0x1c4/0x2b4 [ 242.929728] ? dump_stack_print_info.cold.2+0x52/0x52 [ 242.933280] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 242.942608] warn_alloc.cold.118+0xb7/0x1bd [ 242.945160] syz-executor0 cpuset= [ 242.947303] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 242.950905] syz0 [ 242.956105] ? lock_downgrade+0x900/0x900 [ 242.966566] mems_allowed=0 [ 242.970881] ? trace_hardirqs_off+0xb8/0x300 [ 242.992566] ? trace_hardirqs_off+0xb8/0x300 [ 242.996995] __alloc_pages_slowpath+0x2667/0x2d80 [ 243.001883] ? warn_alloc+0x120/0x120 [ 243.005689] ? trace_hardirqs_on+0x310/0x310 [ 243.010100] ? warn_alloc+0x120/0x120 [ 243.013910] ? print_usage_bug+0xc0/0xc0 [ 243.017979] ? warn_alloc+0x120/0x120 [ 243.021781] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 243.026811] ? print_usage_bug+0xc0/0xc0 [ 243.030975] ? __lock_acquire+0x7ec/0x4ec0 [ 243.035226] ? __lock_acquire+0x7ec/0x4ec0 [ 243.039467] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 243.045021] ? should_fail+0x22d/0xd01 [ 243.048946] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 243.054062] ? __lock_acquire+0x7ec/0x4ec0 [ 243.058305] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 243.063407] ? __lock_acquire+0x7ec/0x4ec0 [ 243.067641] ? should_fail+0x22d/0xd01 [ 243.071527] ? print_usage_bug+0xc0/0xc0 [ 243.075597] ? mark_held_locks+0x130/0x130 [ 243.079853] ? mark_held_locks+0x130/0x130 [ 243.084114] ? graph_lock+0x170/0x170 [ 243.087931] ? print_usage_bug+0xc0/0xc0 [ 243.091988] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 243.096758] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.102354] ? check_preemption_disabled+0x48/0x200 [ 243.107372] ? check_preemption_disabled+0x48/0x200 [ 243.112400] ? __lock_is_held+0xb5/0x140 [ 243.116474] __alloc_pages_nodemask+0xa80/0xde0 [ 243.121147] ? graph_lock+0x170/0x170 [ 243.125115] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 243.130124] ? graph_lock+0x170/0x170 [ 243.133942] ? find_held_lock+0x36/0x1c0 [ 243.138015] ? ____cache_alloc_node+0x1c7/0x1e0 [ 243.142716] ? lock_downgrade+0x900/0x900 [ 243.146878] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.152430] cache_grow_begin+0x91/0x8c0 [ 243.156505] ? do_raw_spin_unlock+0xa7/0x2f0 [ 243.160929] fallback_alloc+0x203/0x2e0 [ 243.164918] ____cache_alloc_node+0x1c7/0x1e0 [ 243.169428] kmem_cache_alloc_node+0xe3/0x730 [ 243.173933] ? ipv6_get_ifaddr+0x42e/0x620 [ 243.178186] __alloc_skb+0x119/0x770 [ 243.181923] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 243.187251] ? skb_scrub_packet+0x490/0x490 [ 243.191584] ? lock_downgrade+0x900/0x900 [ 243.195756] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.201307] ? refcount_sub_and_test_checked+0x203/0x310 [ 243.206794] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 243.212259] ? addrconf_rs_timer+0x6f0/0x6f0 [ 243.216684] ndisc_alloc_skb+0x144/0x340 [ 243.220754] ndisc_send_rs+0x331/0x6e0 [ 243.224648] addrconf_rs_timer+0x3c0/0x6f0 [ 243.228893] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.233148] call_timer_fn+0x272/0x920 [ 243.237041] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.241293] ? process_timeout+0x40/0x40 [ 243.245359] ? find_held_lock+0x36/0x1c0 [ 243.249433] ? __run_timers+0x7da/0xc70 [ 243.253416] ? _raw_spin_unlock_irq+0x27/0x80 [ 243.257912] ? _raw_spin_unlock_irq+0x27/0x80 [ 243.262412] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.266649] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 243.271238] ? trace_hardirqs_on+0xbd/0x310 [ 243.275565] ? kasan_check_read+0x11/0x20 [ 243.279720] ? __run_timers+0x7da/0xc70 [ 243.283697] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 243.289170] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.293413] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 243.297658] __run_timers+0x7e5/0xc70 [ 243.301476] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 243.306846] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 243.311867] ? graph_lock+0x170/0x170 [ 243.315672] ? enqueue_hrtimer+0x1a5/0x560 [ 243.319905] ? lock_release+0x970/0x970 [ 243.323885] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 243.329092] ? find_held_lock+0x36/0x1c0 [ 243.333166] ? pvclock_read_flags+0x160/0x160 [ 243.337666] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.343209] ? check_preemption_disabled+0x48/0x200 [ 243.348236] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 243.353774] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 243.359068] ? rcu_pm_notify+0xc0/0xc0 [ 243.362965] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.368505] ? check_preemption_disabled+0x48/0x200 [ 243.373533] run_timer_softirq+0x52/0xb0 [ 243.377596] ? rcu_read_lock_sched_held+0x108/0x120 [ 243.382620] __do_softirq+0x30b/0xad8 [ 243.386435] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 243.391544] ? pvclock_read_flags+0x160/0x160 [ 243.396040] ? lapic_next_event+0x5a/0x90 [ 243.400206] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.405748] ? check_preemption_disabled+0x48/0x200 [ 243.410769] ? check_preemption_disabled+0x48/0x200 [ 243.415822] ? kvm_clock_read+0x18/0x30 [ 243.419800] ? kvm_sched_clock_read+0x9/0x20 [ 243.424225] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.429768] ? check_preemption_disabled+0x48/0x200 [ 243.434803] irq_exit+0x17f/0x1c0 [ 243.438268] smp_apic_timer_interrupt+0x1cb/0x760 [ 243.443110] ? smp_reschedule_interrupt+0x109/0x650 [ 243.448130] ? smp_call_function_single_interrupt+0x650/0x650 [ 243.454036] ? interrupt_entry+0xb5/0xf0 [ 243.458137] ? trace_hardirqs_off_caller+0xbb/0x300 [ 243.463162] ? trace_hardirqs_off_caller+0xbb/0x300 [ 243.468189] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 243.473043] ? trace_hardirqs_off+0x300/0x300 [ 243.477557] ? trace_hardirqs_off+0x300/0x300 [ 243.482066] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.487613] ? check_preemption_disabled+0x48/0x200 [ 243.492641] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.498197] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 243.503072] apic_timer_interrupt+0xf/0x20 [ 243.507305] [ 243.509547] RIP: 0010:_raw_write_unlock_irq+0x56/0x80 [ 243.514743] Code: 52 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d ab aa 92 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 f0 ec 95 f9 65 8b 05 a9 6e 42 78 85 c0 74 05 5b [ 243.533855] RSP: 0018:ffff8801d8cf7350 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 243.541577] RAX: dffffc0000000000 RBX: ffffffff894090c0 RCX: 0000000000000000 [ 243.548853] RDX: 1ffffffff12a4537 RSI: 0000000000000001 RDI: ffffffff895229b8 [ 243.556131] RBP: ffff8801d8cf7358 R08: ffff8801c24ca580 R09: 0000000000000000 [ 243.563402] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d70737c0 [ 243.570676] R13: ffff8801d8cf7490 R14: 0000000000000000 R15: ffff8801c24cab00 [ 243.577996] do_exit+0x11ef/0x2610 [ 243.581541] ? mem_cgroup_commit_charge+0x275/0x9d0 [ 243.586583] ? mm_update_next_owner+0x990/0x990 [ 243.591276] ? print_usage_bug+0xc0/0xc0 [ 243.595355] ? graph_lock+0x170/0x170 [ 243.599171] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.604732] ? check_preemption_disabled+0x48/0x200 [ 243.609764] ? check_preemption_disabled+0x48/0x200 [ 243.614796] ? print_usage_bug+0xc0/0xc0 [ 243.618881] ? __lock_acquire+0x7ec/0x4ec0 [ 243.623129] ? __lock_acquire+0x7ec/0x4ec0 [ 243.627385] ? mark_held_locks+0x130/0x130 [ 243.631632] ? mark_held_locks+0x130/0x130 [ 243.635871] ? finish_task_switch+0x1b5/0x900 [ 243.640370] ? __switch_to_asm+0x34/0x70 [ 243.644460] ? __switch_to_asm+0x34/0x70 [ 243.648523] ? __switch_to_asm+0x34/0x70 [ 243.652587] ? __switch_to_asm+0x40/0x70 [ 243.656647] ? __switch_to_asm+0x34/0x70 [ 243.660714] ? __switch_to_asm+0x40/0x70 [ 243.664775] ? __switch_to_asm+0x34/0x70 [ 243.668845] ? __switch_to_asm+0x34/0x70 [ 243.672911] ? __switch_to_asm+0x34/0x70 [ 243.676976] ? __switch_to_asm+0x34/0x70 [ 243.681043] ? __switch_to_asm+0x40/0x70 [ 243.685116] ? __switch_to_asm+0x34/0x70 [ 243.689176] ? __switch_to_asm+0x40/0x70 [ 243.693252] ? graph_lock+0x170/0x170 [ 243.697069] ? graph_lock+0x170/0x170 [ 243.700882] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 243.706430] ? wait_consider_task+0x245/0x3bb0 [ 243.711026] ? memset+0x31/0x40 [ 243.714418] ? find_held_lock+0x36/0x1c0 [ 243.718497] ? get_signal+0x95b/0x1980 [ 243.722391] ? _raw_spin_unlock_irq+0x27/0x80 [ 243.726892] ? _raw_spin_unlock_irq+0x27/0x80 [ 243.731402] do_group_exit+0x177/0x440 [ 243.735300] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 243.740762] ? __ia32_sys_exit+0x50/0x50 [ 243.744847] get_signal+0x8b0/0x1980 [ 243.748585] ? ptrace_notify+0x130/0x130 [ 243.752646] ? do_wait+0x57d/0xb90 [ 243.756197] ? wait_consider_task+0x3bb0/0x3bb0 [ 243.760867] ? graph_lock+0x170/0x170 [ 243.764666] ? graph_lock+0x170/0x170 [ 243.768471] ? graph_lock+0x170/0x170 [ 243.772296] do_signal+0x9c/0x21e0 [ 243.775845] ? find_held_lock+0x36/0x1c0 [ 243.779916] ? setup_sigcontext+0x7d0/0x7d0 [ 243.784242] ? kernel_wait4+0x2e0/0x3f0 [ 243.788222] ? __ia32_sys_waitid+0x140/0x140 [ 243.792640] ? task_stopped_code+0x190/0x190 [ 243.797067] ? exit_to_usermode_loop+0x8c/0x380 [ 243.801759] ? __do_page_fault+0x4a6/0xed0 [ 243.806001] ? do_syscall_64+0x9a/0x820 [ 243.809978] ? do_syscall_64+0x9a/0x820 [ 243.813965] exit_to_usermode_loop+0x2e5/0x380 [ 243.818554] ? syscall_slow_exit_work+0x520/0x520 [ 243.823410] do_syscall_64+0x6be/0x820 [ 243.827298] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 243.832675] ? syscall_return_slowpath+0x5e0/0x5e0 [ 243.837609] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 243.842465] ? trace_hardirqs_off+0x300/0x300 [ 243.846968] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 243.851995] ? prepare_exit_to_usermode+0x291/0x3b0 [ 243.857027] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 243.861896] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 243.867087] RIP: 0033:0x410e7a [ 243.870286] Code: Bad RIP value. [ 243.873647] RSP: 002b:00007ffdfa797988 EFLAGS: 00000246 ORIG_RAX: 000000000000003d [ 243.881362] RAX: fffffffffffffe00 RBX: 00000000000014f2 RCX: 0000000000410e7a [ 243.888632] RDX: 0000000040000000 RSI: 00007ffdfa797994 RDI: ffffffffffffffff [ 243.895904] RBP: 0000000000930b28 R08: 00000000000014e7 R09: 00000000024eb940 [ 243.903175] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010 [ 243.910464] R13: 0000000000412a80 R14: 0000000000000000 R15: 0000000000000000 [ 243.917762] warn_alloc_show_mem: 1 callbacks suppressed [ 243.917774] CPU: 0 PID: 9562 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51 [ 243.917776] Mem-Info: [ 243.917805] active_anon:43308 inactive_anon:372 isolated_anon:0 [ 243.917805] active_file:9 inactive_file:26 isolated_file:0 [ 243.917805] unevictable:0 dirty:0 writeback:0 unstable:0 [ 243.917805] slab_reclaimable:8855 slab_unreclaimable:1462387 [ 243.917805] mapped:57522 shmem:379 pagetables:727 bounce:0 [ 243.917805] free:13711 free_pcp:202 free_cma:0 [ 243.923155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 243.930345] Node 0 active_anon:173232kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 243.932743] Call Trace: [ 243.965626] Node 0 [ 243.974984] [ 244.002762] 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 [ 244.005332] dump_stack+0x1c4/0x2b4 [ 244.007528] lowmem_reserve[]: 0 [ 244.009686] ? dump_stack_print_info.cold.2+0x52/0x52 [ 244.035169] 2817 6321 [ 244.038829] warn_alloc.cold.118+0xb7/0x1bd [ 244.042068] 6321 [ 244.047278] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 244.049750] Node 0 [ 244.054072] ? lock_downgrade+0x900/0x900 [ 244.056134] DMA32 free:24940kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 244.060947] ? trace_hardirqs_off+0xb8/0x300 [ 244.063155] lowmem_reserve[]: [ 244.067322] ? trace_hardirqs_off+0xb8/0x300 [ 244.094099] 0 0 [ 244.098556] __alloc_pages_slowpath+0x2667/0x2d80 [ 244.101623] 3503 [ 244.106072] ? warn_alloc+0x120/0x120 [ 244.107999] 3503 [ 244.112832] ? __lock_acquire+0x7ec/0x4ec0 [ 244.118665] ? warn_alloc+0x120/0x120 [ 244.120706] Node 0 [ 244.124931] ? print_usage_bug+0xc0/0xc0 [ 244.128731] Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:169136kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5568kB pagetables:2908kB bounce:0kB free_pcp:808kB local_pcp:692kB free_cma:0kB [ 244.130933] ? warn_alloc+0x120/0x120 [ 244.134968] lowmem_reserve[]: [ 244.163434] ? print_usage_bug+0xc0/0xc0 [ 244.167211] 0 [ 244.170325] ? mark_held_locks+0x130/0x130 [ 244.174342] 0 [ 244.176143] ? mark_held_locks+0x130/0x130 [ 244.180350] 0 [ 244.182148] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 244.186355] 0 [ 244.188154] ? should_fail+0x22d/0xd01 [ 244.195474] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.199336] Node 0 DMA: [ 244.204867] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 244.204883] ? __lock_acquire+0x7ec/0x4ec0 [ 244.207533] 1*4kB [ 244.212627] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 244.216866] (U) [ 244.219022] ? should_fail+0x22d/0xd01 [ 244.224093] 0*8kB 0*16kB [ 244.226078] ? __sanitizer_cov_trace_const_cmp1+0x10/0x20 [ 244.229956] 1*32kB [ 244.232708] ? mark_held_locks+0x130/0x130 [ 244.238245] (U) [ 244.240477] ? mark_held_locks+0x130/0x130 [ 244.244690] 2*64kB [ 244.246661] ? graph_lock+0x170/0x170 [ 244.250869] (U) 1*128kB [ 244.253125] ? graph_lock+0x170/0x170 [ 244.257405] (U) 1*256kB [ 244.260100] ? print_usage_bug+0xc0/0xc0 [ 244.263871] (U) [ 244.266537] ? do_raw_spin_unlock+0xa7/0x2f0 [ 244.270566] 0*512kB 1*1024kB [ 244.272562] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.276940] (U) [ 244.280054] ? check_preemption_disabled+0x48/0x200 [ 244.285557] 1*2048kB (M) [ 244.287571] ? check_preemption_disabled+0x48/0x200 [ 244.292559] 3*4096kB (M) [ 244.295343] ? __lock_is_held+0xb5/0x140 [ 244.300320] = 15908kB [ 244.300329] Node 0 [ 244.303098] __alloc_pages_nodemask+0xa80/0xde0 [ 244.307120] DMA32: 3*4kB [ 244.309545] ? graph_lock+0x170/0x170 [ 244.311786] (UM) [ 244.316454] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 244.319185] 2*8kB [ 244.322983] ? graph_lock+0x170/0x170 [ 244.325019] (U) [ 244.330096] ? find_held_lock+0x36/0x1c0 [ 244.332217] 5*16kB [ 244.336027] ? ____cache_alloc_node+0x1c7/0x1e0 [ 244.337967] (UM) [ 244.342035] ? lock_downgrade+0x900/0x900 [ 244.344254] 2*32kB [ 244.348921] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.350956] (UM) [ 244.355100] cache_grow_begin+0x91/0x8c0 [ 244.357317] 3*64kB [ 244.362849] ? do_raw_spin_unlock+0xa7/0x2f0 [ 244.364896] (UM) [ 244.368961] fallback_alloc+0x203/0x2e0 [ 244.371163] 4*128kB (UM) [ 244.375581] ____cache_alloc_node+0x1c7/0x1e0 [ 244.377616] 2*256kB [ 244.381594] kmem_cache_alloc_node+0xe3/0x730 [ 244.384323] (M) [ 244.388814] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 244.391128] 4*512kB [ 244.395617] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 244.397571] (UM) [ 244.402671] __alloc_skb+0x119/0x770 [ 244.404965] 3*1024kB [ 244.409541] ? calc_wheel_index+0x220/0x220 [ 244.411570] (M) 1*2048kB [ 244.415291] ? skb_scrub_packet+0x490/0x490 [ 244.417677] (U) [ 244.421997] ? vprintk_default+0x28/0x30 [ 244.424744] 4*4096kB [ 244.429099] ? vprintk_func+0x85/0x181 [ 244.431072] (M) [ 244.435153] ? printk+0xa7/0xcf [ 244.437543] = 24940kB [ 244.441436] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 244.443386] Node 0 [ 244.446667] new_skb+0x26/0x1c0 [ 244.449058] Normal: [ 244.453832] aoecmd_cfg+0x279/0x7f0 [ 244.456060] 667*4kB [ 244.459357] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 244.461658] (UMEH) [ 244.465281] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.467581] 358*8kB [ 244.471904] ? check_preemption_disabled+0x48/0x200 [ 244.474113] (UMEH) [ 244.479653] ? check_preemption_disabled+0x48/0x200 [ 244.481953] 191*16kB [ 244.486977] ? __lock_is_held+0xb5/0x140 [ 244.489178] (UMEH) [ 244.494198] discover_timer+0x50/0x60 [ 244.496576] 81*32kB (UMEH) [ 244.500651] call_timer_fn+0x272/0x920 [ 244.502865] 30*64kB [ 244.506676] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 244.509581] (UMH) [ 244.513467] ? process_timeout+0x40/0x40 [ 244.515767] 1*128kB [ 244.520602] ? find_held_lock+0x36/0x1c0 [ 244.522749] (M) [ 244.526810] ? __run_timers+0x7da/0xc70 [ 244.529113] 3*256kB [ 244.533167] ? _raw_spin_unlock_irq+0x27/0x80 [ 244.535115] (UH) [ 244.539092] ? _raw_spin_unlock_irq+0x27/0x80 [ 244.541389] 0*512kB [ 244.545873] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 244.545890] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 244.547934] 0*1024kB [ 244.552425] ? trace_hardirqs_on+0xbd/0x310 [ 244.554723] 0*2048kB [ 244.559564] ? kasan_check_read+0x11/0x20 [ 244.564119] 0*4096kB [ 244.566536] ? __run_timers+0x7da/0xc70 [ 244.570831] = 13996kB [ 244.573238] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 244.577366] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 244.579766] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 244.583721] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 244.586127] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 244.591559] 414 total pagecache pages [ 244.600428] __run_timers+0x7e5/0xc70 [ 244.604644] 0 pages in swap cache [ 244.613242] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 244.618060] Swap cache stats: add 0, delete 0, find 0/0 [ 244.621853] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 244.625629] Free swap = 0kB [ 244.629081] ? graph_lock+0x170/0x170 [ 244.634427] Total swap = 0kB [ 244.639800] ? enqueue_hrtimer+0x1a5/0x560 [ 244.644796] 1965979 pages RAM [ 244.647807] ? lock_release+0x970/0x970 [ 244.647828] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 244.651607] 0 pages HighMem/MovableOnly [ 244.654625] ? find_held_lock+0x36/0x1c0 [ 244.658829] 342744 pages reserved [ 244.658837] 0 pages cma reserved [ 244.661943] ? graph_lock+0x170/0x170 [ 244.665948] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 244.671075] ? pvclock_read_flags+0x160/0x160 [ 244.671092] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.671112] ? check_preemption_disabled+0x48/0x200 [ 244.675125] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 244.679129] ? __lock_is_held+0xb5/0x140 [ 244.682551] syz-executor1 cpuset= [ 244.685911] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.689684] / [ 244.696173] ? check_preemption_disabled+0x48/0x200 [ 244.700643] mems_allowed=0 [ 244.706176] run_timer_softirq+0x52/0xb0 [ 244.748320] ? rcu_read_lock_sched_held+0x108/0x120 [ 244.753350] __do_softirq+0x30b/0xad8 [ 244.757174] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 244.762305] ? pvclock_read_flags+0x160/0x160 [ 244.766814] ? lapic_next_event+0x5a/0x90 [ 244.770969] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.776509] ? check_preemption_disabled+0x48/0x200 [ 244.781530] ? check_preemption_disabled+0x48/0x200 [ 244.786558] ? kvm_clock_read+0x18/0x30 [ 244.790537] ? kvm_sched_clock_read+0x9/0x20 [ 244.795036] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 244.800602] ? check_preemption_disabled+0x48/0x200 [ 244.805648] irq_exit+0x17f/0x1c0 [ 244.809111] smp_apic_timer_interrupt+0x1cb/0x760 [ 244.813967] ? smp_reschedule_interrupt+0x109/0x650 [ 244.818987] ? smp_call_function_single_interrupt+0x650/0x650 [ 244.824893] ? interrupt_entry+0xb5/0xf0 [ 244.828956] ? trace_hardirqs_off_caller+0xbb/0x300 [ 244.833973] ? trace_hardirqs_off_caller+0xbb/0x300 [ 244.839009] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 244.843857] ? trace_hardirqs_off+0x300/0x300 [ 244.848352] ? trace_hardirqs_off+0x300/0x300 [ 244.852853] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 244.858393] ? check_preemption_disabled+0x48/0x200 [ 244.863411] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 244.868962] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 244.873820] apic_timer_interrupt+0xf/0x20 [ 244.878061] [ 244.880328] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 244.885263] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 244.904179] RSP: 0000:ffff88019f217748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 244.911909] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 244.919186] RDX: 0000000000000000 RSI: ffff88019f972d00 RDI: 0000000000000282 [ 244.926474] RBP: ffff88019f2177b0 R08: ffff88019f972480 R09: 0000000000000000 [ 244.933744] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 244.941011] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 244.948353] skb_clone+0x1bb/0x500 [ 244.951901] ? finish_task_switch+0x2f5/0x900 [ 244.956396] ? skb_split+0x11e0/0x11e0 [ 244.960284] ? preempt_notifier_register+0x200/0x200 [ 244.965397] ? __switch_to_asm+0x34/0x70 [ 244.969460] ? __switch_to_asm+0x34/0x70 [ 244.973524] ? __switch_to_asm+0x40/0x70 [ 244.977584] ? __switch_to_asm+0x34/0x70 [ 244.981644] ? __switch_to_asm+0x40/0x70 [ 244.985701] ? __switch_to_asm+0x34/0x70 [ 244.989761] ? __switch_to_asm+0x40/0x70 [ 244.993817] ? __switch_to_asm+0x34/0x70 [ 244.997883] ? __switch_to_asm+0x34/0x70 [ 245.001943] ? __switch_to_asm+0x40/0x70 [ 245.006024] ? __switch_to_asm+0x34/0x70 [ 245.010116] bpf_clone_redirect+0xb9/0x490 [ 245.014355] ? __schedule+0x874/0x1ed0 [ 245.018252] bpf_prog_a2323609a0d1adb1+0x624/0x1000 [ 245.023292] ? __sched_text_start+0x8/0x8 [ 245.027450] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 245.032219] ? find_held_lock+0x36/0x1c0 [ 245.036291] ? lock_acquire+0x1ed/0x520 [ 245.040268] ? bpf_test_run+0x32e/0x5a0 [ 245.044249] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.049808] ? check_preemption_disabled+0x48/0x200 [ 245.054840] ? kasan_check_read+0x11/0x20 [ 245.058992] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 245.064272] ? rcu_bh_qs+0xc0/0xc0 [ 245.067820] ? preempt_schedule+0x4d/0x60 [ 245.071974] ? ___preempt_schedule+0x16/0x18 [ 245.076394] ? bpf_test_run+0x1c0/0x5a0 [ 245.080381] ? netlink_diag_dump+0x2a0/0x2a0 [ 245.084796] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 245.090345] ? bpf_test_init.isra.9+0x70/0x100 [ 245.094935] ? bpf_prog_test_run_skb+0x634/0xb40 [ 245.099705] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 245.104553] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 245.110102] ? fput+0x130/0x1a0 [ 245.113388] ? __bpf_prog_get+0x9b/0x290 [ 245.117455] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 245.122301] ? bpf_prog_test_run+0x130/0x1a0 [ 245.127213] ? __x64_sys_bpf+0x3d8/0x510 [ 245.131275] ? bpf_prog_get+0x20/0x20 [ 245.135106] ? do_syscall_64+0x1b9/0x820 [ 245.139171] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 245.144537] ? syscall_return_slowpath+0x5e0/0x5e0 [ 245.149475] ? trace_hardirqs_off+0x300/0x300 [ 245.153975] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 245.158990] ? recalc_sigpending_tsk+0x180/0x180 [ 245.163749] ? kasan_check_write+0x14/0x20 [ 245.168032] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 245.172968] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 245.178359] CPU: 1 PID: 5351 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51 [ 245.178428] aoe: skb alloc failure [ 245.185561] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 245.185571] Call Trace: [ 245.189383] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 245.198453] [ 245.201026] syz-executor0 cpuset= [ 245.211515] dump_stack+0x1c4/0x2b4 [ 245.213638] syz0 [ 245.217088] ? dump_stack_print_info.cold.2+0x52/0x52 [ 245.220690] mems_allowed=0 [ 245.222667] warn_alloc.cold.118+0xb7/0x1bd [ 245.235061] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 245.239913] ? lock_downgrade+0x900/0x900 [ 245.244081] ? trace_hardirqs_off+0xb8/0x300 [ 245.248501] ? trace_hardirqs_off+0xb8/0x300 [ 245.252921] __alloc_pages_slowpath+0x2667/0x2d80 [ 245.257800] ? warn_alloc+0x120/0x120 [ 245.261616] ? warn_alloc+0x120/0x120 [ 245.265420] ? print_usage_bug+0xc0/0xc0 [ 245.269489] ? warn_alloc+0x120/0x120 [ 245.273294] ? print_usage_bug+0xc0/0xc0 [ 245.277361] ? __lock_acquire+0x7ec/0x4ec0 [ 245.281595] ? __lock_acquire+0x7ec/0x4ec0 [ 245.285844] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 245.291404] ? should_fail+0x22d/0xd01 [ 245.295302] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 245.300411] ? __lock_acquire+0x7ec/0x4ec0 [ 245.304656] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 245.309768] ? __lock_acquire+0x7ec/0x4ec0 [ 245.314023] ? should_fail+0x22d/0xd01 [ 245.317956] ? mark_held_locks+0x130/0x130 [ 245.322226] ? mark_held_locks+0x130/0x130 [ 245.326491] ? graph_lock+0x170/0x170 [ 245.330319] ? graph_lock+0x170/0x170 [ 245.334150] ? graph_lock+0x170/0x170 [ 245.337960] ? print_usage_bug+0xc0/0xc0 [ 245.342030] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.347587] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.353138] ? check_preemption_disabled+0x48/0x200 [ 245.358158] ? check_preemption_disabled+0x48/0x200 [ 245.363189] ? __lock_is_held+0xb5/0x140 [ 245.367264] __alloc_pages_nodemask+0xa80/0xde0 [ 245.371934] ? graph_lock+0x170/0x170 [ 245.375745] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 245.380766] ? graph_lock+0x170/0x170 [ 245.384579] ? find_held_lock+0x36/0x1c0 [ 245.388655] ? ____cache_alloc_node+0x1c7/0x1e0 [ 245.393353] ? lock_downgrade+0x900/0x900 [ 245.397516] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.403073] cache_grow_begin+0x91/0x8c0 [ 245.407142] ? do_raw_spin_unlock+0xa7/0x2f0 [ 245.411560] fallback_alloc+0x203/0x2e0 [ 245.415543] ____cache_alloc_node+0x1c7/0x1e0 [ 245.420055] kmem_cache_alloc_node+0xe3/0x730 [ 245.424555] ? ipv6_get_ifaddr+0x42e/0x620 [ 245.428806] __alloc_skb+0x119/0x770 [ 245.432532] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 245.437849] ? skb_scrub_packet+0x490/0x490 [ 245.442192] ? lock_downgrade+0x900/0x900 [ 245.446372] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.451936] ? refcount_sub_and_test_checked+0x203/0x310 [ 245.457417] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 245.462889] ? addrconf_rs_timer+0x6f0/0x6f0 [ 245.467326] ndisc_alloc_skb+0x144/0x340 [ 245.471416] ndisc_send_rs+0x331/0x6e0 [ 245.475325] addrconf_rs_timer+0x3c0/0x6f0 [ 245.479575] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.483836] call_timer_fn+0x272/0x920 [ 245.487739] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.491983] ? process_timeout+0x40/0x40 [ 245.496054] ? find_held_lock+0x36/0x1c0 [ 245.500149] ? __run_timers+0x7da/0xc70 [ 245.504148] ? _raw_spin_unlock_irq+0x27/0x80 [ 245.508662] ? _raw_spin_unlock_irq+0x27/0x80 [ 245.513177] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.517453] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 245.522063] ? trace_hardirqs_on+0xbd/0x310 [ 245.526408] ? kasan_check_read+0x11/0x20 [ 245.530578] ? __run_timers+0x7da/0xc70 [ 245.534572] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 245.540042] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.544308] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 245.548560] __run_timers+0x7e5/0xc70 [ 245.552398] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 245.557790] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 245.562831] ? graph_lock+0x170/0x170 [ 245.566645] ? enqueue_hrtimer+0x1a5/0x560 [ 245.570881] ? lock_release+0x970/0x970 [ 245.574859] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 245.580078] ? find_held_lock+0x36/0x1c0 [ 245.584163] ? pvclock_read_flags+0x160/0x160 [ 245.588685] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.594244] ? check_preemption_disabled+0x48/0x200 [ 245.599277] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 245.604832] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 245.610127] ? rcu_pm_notify+0xc0/0xc0 [ 245.614025] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.619580] ? check_preemption_disabled+0x48/0x200 [ 245.624619] run_timer_softirq+0x52/0xb0 [ 245.628685] ? rcu_read_lock_sched_held+0x108/0x120 [ 245.633716] __do_softirq+0x30b/0xad8 [ 245.637533] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 245.642648] ? pvclock_read_flags+0x160/0x160 [ 245.647163] ? lapic_next_event+0x5a/0x90 [ 245.651322] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.656868] ? check_preemption_disabled+0x48/0x200 [ 245.661891] ? check_preemption_disabled+0x48/0x200 [ 245.666930] ? kvm_clock_read+0x18/0x30 [ 245.670919] ? kvm_sched_clock_read+0x9/0x20 [ 245.675356] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.680928] ? check_preemption_disabled+0x48/0x200 [ 245.685982] irq_exit+0x17f/0x1c0 [ 245.689449] smp_apic_timer_interrupt+0x1cb/0x760 [ 245.694305] ? smp_reschedule_interrupt+0x109/0x650 [ 245.699333] ? smp_call_function_single_interrupt+0x650/0x650 [ 245.705223] ? interrupt_entry+0xb5/0xf0 [ 245.709292] ? trace_hardirqs_off_caller+0xbb/0x300 [ 245.714309] ? trace_hardirqs_off_caller+0xbb/0x300 [ 245.719333] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 245.724181] ? trace_hardirqs_off+0x300/0x300 [ 245.728673] ? trace_hardirqs_off+0x300/0x300 [ 245.733174] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.738721] ? check_preemption_disabled+0x48/0x200 [ 245.743744] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.749298] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 245.754159] apic_timer_interrupt+0xf/0x20 [ 245.758389] [ 245.760631] RIP: 0010:_raw_write_unlock_irq+0x56/0x80 [ 245.765829] Code: 52 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d ab aa 92 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 f0 ec 95 f9 65 8b 05 a9 6e 42 78 85 c0 74 05 5b [ 245.784741] RSP: 0018:ffff8801d8cf7350 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 245.792458] RAX: dffffc0000000000 RBX: ffffffff894090c0 RCX: 0000000000000000 [ 245.799729] RDX: 1ffffffff12a4537 RSI: 0000000000000001 RDI: ffffffff895229b8 [ 245.807002] RBP: ffff8801d8cf7358 R08: ffff8801c24ca580 R09: 0000000000000000 [ 245.814269] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d70737c0 [ 245.821540] R13: ffff8801d8cf7490 R14: 0000000000000000 R15: ffff8801c24cab00 [ 245.828852] do_exit+0x11ef/0x2610 [ 245.832401] ? mem_cgroup_commit_charge+0x275/0x9d0 [ 245.837426] ? mm_update_next_owner+0x990/0x990 [ 245.842100] ? print_usage_bug+0xc0/0xc0 [ 245.846161] ? graph_lock+0x170/0x170 [ 245.849969] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.855531] ? check_preemption_disabled+0x48/0x200 [ 245.860551] ? check_preemption_disabled+0x48/0x200 [ 245.865576] ? print_usage_bug+0xc0/0xc0 [ 245.869646] ? __lock_acquire+0x7ec/0x4ec0 [ 245.873889] ? __lock_acquire+0x7ec/0x4ec0 [ 245.878144] ? mark_held_locks+0x130/0x130 [ 245.882396] ? mark_held_locks+0x130/0x130 [ 245.886640] ? finish_task_switch+0x1b5/0x900 [ 245.891138] ? __switch_to_asm+0x34/0x70 [ 245.895206] ? __switch_to_asm+0x34/0x70 [ 245.899273] ? __switch_to_asm+0x34/0x70 [ 245.903337] ? __switch_to_asm+0x40/0x70 [ 245.907401] ? __switch_to_asm+0x34/0x70 [ 245.911469] ? __switch_to_asm+0x40/0x70 [ 245.915530] ? __switch_to_asm+0x34/0x70 [ 245.919596] ? __switch_to_asm+0x34/0x70 [ 245.923661] ? __switch_to_asm+0x34/0x70 [ 245.927727] ? __switch_to_asm+0x34/0x70 [ 245.931786] ? __switch_to_asm+0x40/0x70 [ 245.935850] ? __switch_to_asm+0x34/0x70 [ 245.939909] ? __switch_to_asm+0x40/0x70 [ 245.943979] ? graph_lock+0x170/0x170 [ 245.947785] ? graph_lock+0x170/0x170 [ 245.951597] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 245.957141] ? wait_consider_task+0x245/0x3bb0 [ 245.961751] ? memset+0x31/0x40 [ 245.965040] ? find_held_lock+0x36/0x1c0 [ 245.969122] ? get_signal+0x95b/0x1980 [ 245.973024] ? _raw_spin_unlock_irq+0x27/0x80 [ 245.977530] ? _raw_spin_unlock_irq+0x27/0x80 [ 245.982036] do_group_exit+0x177/0x440 [ 245.985935] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 245.991391] ? __ia32_sys_exit+0x50/0x50 [ 245.995470] get_signal+0x8b0/0x1980 [ 245.999197] ? ptrace_notify+0x130/0x130 [ 246.003260] ? do_wait+0x57d/0xb90 [ 246.006820] ? wait_consider_task+0x3bb0/0x3bb0 [ 246.011488] ? graph_lock+0x170/0x170 [ 246.015290] ? graph_lock+0x170/0x170 [ 246.019097] ? graph_lock+0x170/0x170 [ 246.022916] do_signal+0x9c/0x21e0 [ 246.026481] ? find_held_lock+0x36/0x1c0 [ 246.030557] ? setup_sigcontext+0x7d0/0x7d0 [ 246.034883] ? kernel_wait4+0x2e0/0x3f0 [ 246.038866] ? __ia32_sys_waitid+0x140/0x140 [ 246.043289] ? task_stopped_code+0x190/0x190 [ 246.047707] ? exit_to_usermode_loop+0x8c/0x380 [ 246.052394] ? __do_page_fault+0x4a6/0xed0 [ 246.056635] ? do_syscall_64+0x9a/0x820 [ 246.060614] ? do_syscall_64+0x9a/0x820 [ 246.064596] exit_to_usermode_loop+0x2e5/0x380 [ 246.069183] ? syscall_slow_exit_work+0x520/0x520 [ 246.074041] do_syscall_64+0x6be/0x820 [ 246.077941] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 246.083310] ? syscall_return_slowpath+0x5e0/0x5e0 [ 246.088243] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 246.093089] ? trace_hardirqs_off+0x300/0x300 [ 246.097588] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 246.102610] ? prepare_exit_to_usermode+0x291/0x3b0 [ 246.107635] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 246.112487] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 246.117673] RIP: 0033:0x410e7a [ 246.120868] Code: Bad RIP value. [ 246.124231] RSP: 002b:00007ffdfa797988 EFLAGS: 00000246 ORIG_RAX: 000000000000003d [ 246.131944] RAX: fffffffffffffe00 RBX: 00000000000014f2 RCX: 0000000000410e7a [ 246.139302] RDX: 0000000040000000 RSI: 00007ffdfa797994 RDI: ffffffffffffffff [ 246.146570] RBP: 0000000000930b28 R08: 00000000000014e7 R09: 00000000024eb940 [ 246.153846] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010 [ 246.161115] R13: 0000000000412a80 R14: 0000000000000000 R15: 0000000000000000 [ 246.168415] warn_alloc_show_mem: 1 callbacks suppressed [ 246.168428] CPU: 0 PID: 9562 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51 [ 246.168429] Mem-Info: [ 246.168458] active_anon:43308 inactive_anon:372 isolated_anon:0 [ 246.168458] active_file:9 inactive_file:26 isolated_file:0 [ 246.168458] unevictable:0 dirty:0 writeback:0 unstable:0 [ 246.168458] slab_reclaimable:8855 slab_unreclaimable:1462387 [ 246.168458] mapped:57522 shmem:379 pagetables:727 bounce:0 [ 246.168458] free:13711 free_pcp:202 free_cma:0 [ 246.173803] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 246.181033] Node 0 active_anon:173232kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 246.183429] Call Trace: [ 246.216224] Node 0 [ 246.225593] [ 246.253361] 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 [ 246.255920] dump_stack+0x1c4/0x2b4 [ 246.258598] lowmem_reserve[]: 0 [ 246.260757] ? dump_stack_print_info.cold.2+0x52/0x52 [ 246.286228] 2817 6321 [ 246.289871] warn_alloc.cold.118+0xb7/0x1bd [ 246.293121] 6321 [ 246.298322] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 246.305132] ? lock_downgrade+0x900/0x900 [ 246.307172] Node 0 [ 246.312011] ? trace_hardirqs_off+0xb8/0x300 [ 246.316156] DMA32 free:24940kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 246.318366] ? trace_hardirqs_off+0xb8/0x300 [ 246.322752] lowmem_reserve[]: [ 246.349593] __alloc_pages_slowpath+0x2667/0x2d80 [ 246.353982] 0 0 [ 246.357137] ? warn_alloc+0x120/0x120 [ 246.361928] 3503 [ 246.363906] ? warn_alloc+0x120/0x120 [ 246.367677] 3503 [ 246.369738] ? print_usage_bug+0xc0/0xc0 [ 246.375572] ? warn_alloc+0x120/0x120 [ 246.379608] Node 0 Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:169136kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5568kB pagetables:2908kB bounce:0kB free_pcp:808kB local_pcp:692kB free_cma:0kB [ 246.383437] ? print_usage_bug+0xc0/0xc0 [ 246.383457] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 246.412509] lowmem_reserve[]: 0 [ 246.416581] ? rcu_bh_qs+0xc0/0xc0 [ 246.421838] 0 [ 246.425116] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 246.428624] 0 0 [ 246.430432] ? should_fail+0x22d/0xd01 [ 246.437909] ? __lock_acquire+0x7ec/0x4ec0 [ 246.441773] Node 0 DMA: [ 246.446003] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 246.446019] ? __lock_acquire+0x7ec/0x4ec0 [ 246.448669] 1*4kB [ 246.453765] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 246.457972] (U) [ 246.460128] ? __lock_acquire+0x7ec/0x4ec0 [ 246.465207] 0*8kB [ 246.467177] ? should_fail+0x22d/0xd01 [ 246.471383] 0*16kB 1*32kB [ 246.473542] ? mark_held_locks+0x130/0x130 [ 246.477394] (U) [ 246.480239] ? mark_held_locks+0x130/0x130 [ 246.484444] 2*64kB [ 246.486428] ? try_to_wake_up+0x10a/0x12f0 [ 246.490632] (U) [ 246.492864] ? graph_lock+0x170/0x170 [ 246.497081] 1*128kB [ 246.499056] ? print_usage_bug+0xc0/0xc0 [ 246.502832] (U) [ 246.505150] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.509182] 1*256kB [ 246.511156] ? check_preemption_disabled+0x48/0x200 [ 246.516658] (U) 0*512kB [ 246.518995] ? check_preemption_disabled+0x48/0x200 [ 246.523978] 1*1024kB [ 246.526647] ? __lock_is_held+0xb5/0x140 [ 246.531629] (U) [ 246.534034] __alloc_pages_nodemask+0xa80/0xde0 [ 246.538069] 1*2048kB (M) [ 246.540057] ? graph_lock+0x170/0x170 [ 246.544704] 3*4096kB [ 246.547460] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 246.551233] (M) [ 246.553653] ? graph_lock+0x170/0x170 [ 246.558647] = 15908kB [ 246.560622] ? find_held_lock+0x36/0x1c0 [ 246.564393] Node 0 [ 246.566810] ? ____cache_alloc_node+0x1c7/0x1e0 [ 246.570840] DMA32: [ 246.573081] ? lock_downgrade+0x900/0x900 [ 246.577724] 3*4kB [ 246.579959] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.584079] (UM) [ 246.586226] cache_grow_begin+0x91/0x8c0 [ 246.591736] 2*8kB [ 246.593792] ? do_raw_spin_unlock+0xa7/0x2f0 [ 246.597825] (U) [ 246.599976] fallback_alloc+0x203/0x2e0 [ 246.604350] 5*16kB (UM) [ 246.606338] ____cache_alloc_node+0x1c7/0x1e0 [ 246.610285] 2*32kB [ 246.612953] kmem_cache_alloc_node+0xe3/0x730 [ 246.617429] (UM) [ 246.619691] ? ipv6_get_ifaddr+0x42e/0x620 [ 246.624158] 3*64kB [ 246.626231] __alloc_skb+0x119/0x770 [ 246.630429] (UM) [ 246.632662] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 246.636347] 4*128kB [ 246.638401] ? skb_scrub_packet+0x490/0x490 [ 246.643651] (UM) [ 246.645970] ? lock_downgrade+0x900/0x900 [ 246.650267] 2*256kB [ 246.652334] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.656447] (M) [ 246.658765] ? refcount_sub_and_test_checked+0x203/0x310 [ 246.664277] 4*512kB [ 246.666246] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 246.671671] (UM) [ 246.673990] ? addrconf_rs_timer+0x6f0/0x6f0 [ 246.679496] 3*1024kB [ 246.681574] ndisc_alloc_skb+0x144/0x340 [ 246.685946] (M) [ 246.688375] ndisc_send_rs+0x331/0x6e0 [ 246.692432] 1*2048kB [ 246.694407] addrconf_rs_timer+0x3c0/0x6f0 [ 246.698268] (U) [ 246.700694] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 246.704907] 4*4096kB [ 246.706896] call_timer_fn+0x272/0x920 [ 246.711094] (M) [ 246.713507] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 246.717366] = 24940kB [ 246.717375] Node 0 [ 246.719354] ? process_timeout+0x40/0x40 [ 246.723561] Normal: [ 246.725976] ? find_held_lock+0x36/0x1c0 [ 246.728184] 667*4kB [ 246.732246] ? __run_timers+0x7da/0xc70 [ 246.734538] (UMEH) [ 246.738596] ? _raw_spin_unlock_irq+0x27/0x80 [ 246.740893] 358*8kB [ 246.744863] ? _raw_spin_unlock_irq+0x27/0x80 [ 246.747081] (UMEH) [ 246.751576] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 246.753877] 191*16kB [ 246.758369] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 246.760578] (UMEH) [ 246.764821] ? trace_hardirqs_on+0xbd/0x310 [ 246.767205] 81*32kB (UMEH) [ 246.771794] ? kasan_check_read+0x11/0x20 [ 246.773998] 30*64kB (UMH) [ 246.778345] ? __run_timers+0x7da/0xc70 [ 246.781243] 1*128kB (M) [ 246.785400] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 246.788215] 3*256kB (UH) [ 246.792203] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 246.794835] 0*512kB 0*1024kB [ 246.800304] __run_timers+0x7e5/0xc70 [ 246.803037] 0*2048kB [ 246.807284] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 246.810354] 0*4096kB [ 246.814149] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 246.816554] = 13996kB [ 246.821919] ? graph_lock+0x170/0x170 [ 246.824309] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 246.829330] ? enqueue_hrtimer+0x1a5/0x560 [ 246.831722] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 246.835514] ? lock_release+0x970/0x970 [ 246.844329] 414 total pagecache pages [ 246.848562] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 246.857118] 0 pages in swap cache [ 246.861093] ? find_held_lock+0x36/0x1c0 [ 246.864864] Swap cache stats: add 0, delete 0, find 0/0 [ 246.870083] ? graph_lock+0x170/0x170 [ 246.873525] Free swap = 0kB [ 246.877581] ? pvclock_read_flags+0x160/0x160 [ 246.882922] Total swap = 0kB [ 246.886717] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.889707] 1965979 pages RAM [ 246.894203] ? check_preemption_disabled+0x48/0x200 [ 246.897188] 0 pages HighMem/MovableOnly [ 246.897197] 342744 pages reserved [ 246.902736] ? __lock_is_held+0xb5/0x140 [ 246.905806] 0 pages cma reserved [ 246.910818] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.914844] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 246.918234] ? check_preemption_disabled+0x48/0x200 [ 246.918263] run_timer_softirq+0x52/0xb0 [ 246.922371] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 246.925689] ? rcu_read_lock_sched_held+0x108/0x120 [ 246.931200] syz-executor1 cpuset= [ 246.937694] __do_softirq+0x30b/0xad8 [ 246.942770] / [ 246.946830] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 246.957308] mems_allowed=0 [ 246.962329] ? pvclock_read_flags+0x160/0x160 [ 246.983764] ? lapic_next_event+0x5a/0x90 [ 246.987915] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 246.993456] ? check_preemption_disabled+0x48/0x200 [ 246.998471] ? check_preemption_disabled+0x48/0x200 [ 247.003493] ? kvm_clock_read+0x18/0x30 [ 247.007484] ? kvm_sched_clock_read+0x9/0x20 [ 247.011897] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.017440] ? check_preemption_disabled+0x48/0x200 [ 247.022471] irq_exit+0x17f/0x1c0 [ 247.025934] smp_apic_timer_interrupt+0x1cb/0x760 [ 247.030784] ? smp_reschedule_interrupt+0x109/0x650 [ 247.035802] ? smp_call_function_single_interrupt+0x650/0x650 [ 247.041689] ? interrupt_entry+0xb5/0xf0 [ 247.045753] ? trace_hardirqs_off_caller+0xbb/0x300 [ 247.050771] ? trace_hardirqs_off_caller+0xbb/0x300 [ 247.055793] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 247.060643] ? trace_hardirqs_off+0x300/0x300 [ 247.065148] ? trace_hardirqs_off+0x300/0x300 [ 247.069657] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 247.075214] ? check_preemption_disabled+0x48/0x200 [ 247.080246] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 247.085799] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 247.090656] apic_timer_interrupt+0xf/0x20 [ 247.094884] [ 247.097127] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 247.102066] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 247.121024] RSP: 0000:ffff88019f217748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 247.129190] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 247.136458] RDX: 0000000000000000 RSI: ffff88019f972d00 RDI: 0000000000000282 [ 247.143727] RBP: ffff88019f2177b0 R08: ffff88019f972480 R09: 0000000000000000 [ 247.150991] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 247.158255] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 247.165572] skb_clone+0x1bb/0x500 [ 247.169119] ? finish_task_switch+0x2f5/0x900 [ 247.173619] ? skb_split+0x11e0/0x11e0 [ 247.177508] ? preempt_notifier_register+0x200/0x200 [ 247.182619] ? __switch_to_asm+0x34/0x70 [ 247.186684] ? __switch_to_asm+0x34/0x70 [ 247.190742] ? __switch_to_asm+0x40/0x70 [ 247.194798] ? __switch_to_asm+0x34/0x70 [ 247.198860] ? __switch_to_asm+0x40/0x70 [ 247.202922] ? __switch_to_asm+0x34/0x70 [ 247.206994] ? __switch_to_asm+0x40/0x70 [ 247.211064] ? __switch_to_asm+0x34/0x70 [ 247.215125] ? __switch_to_asm+0x34/0x70 [ 247.219187] ? __switch_to_asm+0x40/0x70 [ 247.223245] ? __switch_to_asm+0x34/0x70 [ 247.227323] bpf_clone_redirect+0xb9/0x490 [ 247.231564] ? __schedule+0x874/0x1ed0 [ 247.235458] bpf_prog_a2323609a0d1adb1+0x624/0x1000 [ 247.240478] ? __sched_text_start+0x8/0x8 [ 247.244651] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 247.249423] ? find_held_lock+0x36/0x1c0 [ 247.253494] ? lock_acquire+0x1ed/0x520 [ 247.257470] ? bpf_test_run+0x32e/0x5a0 [ 247.261449] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.266998] ? check_preemption_disabled+0x48/0x200 [ 247.272028] ? kasan_check_read+0x11/0x20 [ 247.276210] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 247.281492] ? rcu_bh_qs+0xc0/0xc0 [ 247.285042] ? preempt_schedule+0x4d/0x60 [ 247.289207] ? ___preempt_schedule+0x16/0x18 [ 247.293625] ? bpf_test_run+0x1c0/0x5a0 [ 247.297613] ? netlink_diag_dump+0x2a0/0x2a0 [ 247.302026] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 247.307572] ? bpf_test_init.isra.9+0x70/0x100 [ 247.312161] ? bpf_prog_test_run_skb+0x634/0xb40 [ 247.316927] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 247.321774] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 247.327315] ? fput+0x130/0x1a0 [ 247.330598] ? __bpf_prog_get+0x9b/0x290 [ 247.334672] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 247.339531] ? bpf_prog_test_run+0x130/0x1a0 [ 247.343957] ? __x64_sys_bpf+0x3d8/0x510 [ 247.348022] ? bpf_prog_get+0x20/0x20 [ 247.351857] ? do_syscall_64+0x1b9/0x820 [ 247.355925] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 247.361325] ? syscall_return_slowpath+0x5e0/0x5e0 [ 247.366264] ? trace_hardirqs_off+0x300/0x300 [ 247.370765] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 247.375806] ? recalc_sigpending_tsk+0x180/0x180 [ 247.380567] ? kasan_check_write+0x14/0x20 [ 247.384809] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 247.389666] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 247.395077] CPU: 1 PID: 5351 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51 [ 247.395166] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 247.402275] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 247.402280] Call Trace: [ 247.402286] [ 247.402303] dump_stack+0x1c4/0x2b4 [ 247.402327] ? dump_stack_print_info.cold.2+0x52/0x52 [ 247.408910] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 247.418187] warn_alloc.cold.118+0xb7/0x1bd [ 247.420740] syz-executor0 cpuset= [ 247.422883] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 247.426482] syz0 [ 247.431673] ? lock_downgrade+0x900/0x900 [ 247.442146] mems_allowed=0 [ 247.463778] ? trace_hardirqs_off+0xb8/0x300 [ 247.468210] ? trace_hardirqs_off+0xb8/0x300 [ 247.472634] __alloc_pages_slowpath+0x2667/0x2d80 [ 247.477512] ? warn_alloc+0x120/0x120 [ 247.481324] ? warn_alloc+0x120/0x120 [ 247.485131] ? print_usage_bug+0xc0/0xc0 [ 247.489198] ? warn_alloc+0x120/0x120 [ 247.493003] ? print_usage_bug+0xc0/0xc0 [ 247.497076] ? __lock_acquire+0x7ec/0x4ec0 [ 247.501317] ? __lock_acquire+0x7ec/0x4ec0 [ 247.505561] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 247.511101] ? should_fail+0x22d/0xd01 [ 247.514998] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 247.520134] ? __lock_acquire+0x7ec/0x4ec0 [ 247.524402] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 247.529505] ? __lock_acquire+0x7ec/0x4ec0 [ 247.533739] ? should_fail+0x22d/0xd01 [ 247.537638] ? mark_held_locks+0x130/0x130 [ 247.541881] ? mark_held_locks+0x130/0x130 [ 247.546121] ? graph_lock+0x170/0x170 [ 247.549923] ? graph_lock+0x170/0x170 [ 247.553729] ? graph_lock+0x170/0x170 [ 247.557528] ? print_usage_bug+0xc0/0xc0 [ 247.561590] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.567131] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.572672] ? check_preemption_disabled+0x48/0x200 [ 247.577689] ? check_preemption_disabled+0x48/0x200 [ 247.582725] ? __lock_is_held+0xb5/0x140 [ 247.586795] __alloc_pages_nodemask+0xa80/0xde0 [ 247.591473] ? graph_lock+0x170/0x170 [ 247.595282] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 247.600304] ? graph_lock+0x170/0x170 [ 247.604140] ? find_held_lock+0x36/0x1c0 [ 247.608214] ? ____cache_alloc_node+0x1c7/0x1e0 [ 247.612889] ? lock_downgrade+0x900/0x900 [ 247.617060] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.622607] cache_grow_begin+0x91/0x8c0 [ 247.626672] ? do_raw_spin_unlock+0xa7/0x2f0 [ 247.631098] fallback_alloc+0x203/0x2e0 [ 247.635087] ____cache_alloc_node+0x1c7/0x1e0 [ 247.639593] kmem_cache_alloc_node+0xe3/0x730 [ 247.644098] ? ipv6_get_ifaddr+0x42e/0x620 [ 247.648345] __alloc_skb+0x119/0x770 [ 247.652068] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 247.657440] ? skb_scrub_packet+0x490/0x490 [ 247.661768] ? lock_downgrade+0x900/0x900 [ 247.665928] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.671468] ? refcount_sub_and_test_checked+0x203/0x310 [ 247.676928] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 247.682389] ? addrconf_rs_timer+0x6f0/0x6f0 [ 247.686839] ndisc_alloc_skb+0x144/0x340 [ 247.690914] ndisc_send_rs+0x331/0x6e0 [ 247.694820] addrconf_rs_timer+0x3c0/0x6f0 [ 247.699089] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.703340] call_timer_fn+0x272/0x920 [ 247.707234] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.711482] ? process_timeout+0x40/0x40 [ 247.715547] ? find_held_lock+0x36/0x1c0 [ 247.719622] ? __run_timers+0x7da/0xc70 [ 247.723603] ? _raw_spin_unlock_irq+0x27/0x80 [ 247.728102] ? _raw_spin_unlock_irq+0x27/0x80 [ 247.732601] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.736843] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 247.741449] ? trace_hardirqs_on+0xbd/0x310 [ 247.745773] ? kasan_check_read+0x11/0x20 [ 247.749928] ? __run_timers+0x7da/0xc70 [ 247.753905] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 247.759372] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.763625] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 247.767877] __run_timers+0x7e5/0xc70 [ 247.771695] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 247.777075] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 247.782097] ? graph_lock+0x170/0x170 [ 247.785906] ? enqueue_hrtimer+0x1a5/0x560 [ 247.790142] ? lock_release+0x970/0x970 [ 247.794119] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 247.799318] ? find_held_lock+0x36/0x1c0 [ 247.803391] ? pvclock_read_flags+0x160/0x160 [ 247.807891] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.813437] ? check_preemption_disabled+0x48/0x200 [ 247.818469] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 247.824008] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 247.829292] ? rcu_pm_notify+0xc0/0xc0 [ 247.833186] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.838727] ? check_preemption_disabled+0x48/0x200 [ 247.843753] run_timer_softirq+0x52/0xb0 [ 247.847823] ? rcu_read_lock_sched_held+0x108/0x120 [ 247.852844] __do_softirq+0x30b/0xad8 [ 247.856660] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 247.861781] ? pvclock_read_flags+0x160/0x160 [ 247.866291] ? lapic_next_event+0x5a/0x90 [ 247.870447] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.875998] ? check_preemption_disabled+0x48/0x200 [ 247.881019] ? check_preemption_disabled+0x48/0x200 [ 247.886061] ? kvm_clock_read+0x18/0x30 [ 247.890042] ? kvm_sched_clock_read+0x9/0x20 [ 247.894465] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.900009] ? check_preemption_disabled+0x48/0x200 [ 247.905042] irq_exit+0x17f/0x1c0 [ 247.908512] smp_apic_timer_interrupt+0x1cb/0x760 [ 247.913358] ? smp_reschedule_interrupt+0x109/0x650 [ 247.918380] ? smp_call_function_single_interrupt+0x650/0x650 [ 247.924267] ? interrupt_entry+0xb5/0xf0 [ 247.928336] ? trace_hardirqs_off_caller+0xbb/0x300 [ 247.933352] ? trace_hardirqs_off_caller+0xbb/0x300 [ 247.938372] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 247.943215] ? trace_hardirqs_off+0x300/0x300 [ 247.947709] ? trace_hardirqs_off+0x300/0x300 [ 247.952204] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.957747] ? check_preemption_disabled+0x48/0x200 [ 247.962780] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 247.968347] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 247.973202] apic_timer_interrupt+0xf/0x20 [ 247.977430] [ 247.979667] RIP: 0010:_raw_write_unlock_irq+0x56/0x80 [ 247.984859] Code: 52 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d ab aa 92 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 f0 ec 95 f9 65 8b 05 a9 6e 42 78 85 c0 74 05 5b [ 248.003769] RSP: 0018:ffff8801d8cf7350 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 248.011489] RAX: dffffc0000000000 RBX: ffffffff894090c0 RCX: 0000000000000000 [ 248.018766] RDX: 1ffffffff12a4537 RSI: 0000000000000001 RDI: ffffffff895229b8 [ 248.026039] RBP: ffff8801d8cf7358 R08: ffff8801c24ca580 R09: 0000000000000000 [ 248.033320] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d70737c0 [ 248.040607] R13: ffff8801d8cf7490 R14: 0000000000000000 R15: ffff8801c24cab00 [ 248.047916] do_exit+0x11ef/0x2610 [ 248.051457] ? mem_cgroup_commit_charge+0x275/0x9d0 [ 248.056482] ? mm_update_next_owner+0x990/0x990 [ 248.061152] ? print_usage_bug+0xc0/0xc0 [ 248.065236] ? graph_lock+0x170/0x170 [ 248.069063] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.074633] ? check_preemption_disabled+0x48/0x200 [ 248.079654] ? check_preemption_disabled+0x48/0x200 [ 248.084679] ? print_usage_bug+0xc0/0xc0 [ 248.088746] ? __lock_acquire+0x7ec/0x4ec0 [ 248.092997] ? __lock_acquire+0x7ec/0x4ec0 [ 248.097257] ? mark_held_locks+0x130/0x130 [ 248.101542] ? mark_held_locks+0x130/0x130 [ 248.105785] ? finish_task_switch+0x1b5/0x900 [ 248.110288] ? __switch_to_asm+0x34/0x70 [ 248.114353] ? __switch_to_asm+0x34/0x70 [ 248.118417] ? __switch_to_asm+0x34/0x70 [ 248.122476] ? __switch_to_asm+0x40/0x70 [ 248.126535] ? __switch_to_asm+0x34/0x70 [ 248.130620] ? __switch_to_asm+0x40/0x70 [ 248.134697] ? __switch_to_asm+0x34/0x70 [ 248.138790] ? __switch_to_asm+0x34/0x70 [ 248.142894] ? __switch_to_asm+0x34/0x70 [ 248.146970] ? __switch_to_asm+0x34/0x70 [ 248.151043] ? __switch_to_asm+0x40/0x70 [ 248.155123] ? __switch_to_asm+0x34/0x70 [ 248.159183] ? __switch_to_asm+0x40/0x70 [ 248.163254] ? graph_lock+0x170/0x170 [ 248.167096] ? graph_lock+0x170/0x170 [ 248.170906] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.176456] ? wait_consider_task+0x245/0x3bb0 [ 248.181058] ? memset+0x31/0x40 [ 248.184353] ? find_held_lock+0x36/0x1c0 [ 248.188453] ? get_signal+0x95b/0x1980 [ 248.192352] ? _raw_spin_unlock_irq+0x27/0x80 [ 248.196848] ? _raw_spin_unlock_irq+0x27/0x80 [ 248.201356] do_group_exit+0x177/0x440 [ 248.205250] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 248.210702] ? __ia32_sys_exit+0x50/0x50 [ 248.214778] get_signal+0x8b0/0x1980 [ 248.218511] ? ptrace_notify+0x130/0x130 [ 248.222570] ? do_wait+0x57d/0xb90 [ 248.226119] ? wait_consider_task+0x3bb0/0x3bb0 [ 248.230785] ? graph_lock+0x170/0x170 [ 248.234618] ? graph_lock+0x170/0x170 [ 248.238422] ? graph_lock+0x170/0x170 [ 248.242240] do_signal+0x9c/0x21e0 [ 248.245782] ? find_held_lock+0x36/0x1c0 [ 248.249859] ? setup_sigcontext+0x7d0/0x7d0 [ 248.254284] ? kernel_wait4+0x2e0/0x3f0 [ 248.258807] ? __ia32_sys_waitid+0x140/0x140 [ 248.263249] ? task_stopped_code+0x190/0x190 [ 248.267680] ? exit_to_usermode_loop+0x8c/0x380 [ 248.272386] ? __do_page_fault+0x4a6/0xed0 [ 248.276630] ? do_syscall_64+0x9a/0x820 [ 248.280604] ? do_syscall_64+0x9a/0x820 [ 248.284588] exit_to_usermode_loop+0x2e5/0x380 [ 248.289177] ? syscall_slow_exit_work+0x520/0x520 [ 248.294037] do_syscall_64+0x6be/0x820 [ 248.297934] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 248.303301] ? syscall_return_slowpath+0x5e0/0x5e0 [ 248.308231] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 248.313080] ? trace_hardirqs_off+0x300/0x300 [ 248.317578] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 248.322597] ? prepare_exit_to_usermode+0x291/0x3b0 [ 248.327621] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 248.332476] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 248.337666] RIP: 0033:0x410e7a [ 248.340858] Code: Bad RIP value. [ 248.344218] RSP: 002b:00007ffdfa797988 EFLAGS: 00000246 ORIG_RAX: 000000000000003d [ 248.351954] RAX: fffffffffffffe00 RBX: 00000000000014f2 RCX: 0000000000410e7a [ 248.359224] RDX: 0000000040000000 RSI: 00007ffdfa797994 RDI: ffffffffffffffff [ 248.366494] RBP: 0000000000930b28 R08: 00000000000014e7 R09: 00000000024eb940 [ 248.373766] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010 [ 248.381038] R13: 0000000000412a80 R14: 0000000000000000 R15: 0000000000000000 [ 248.388352] warn_alloc_show_mem: 1 callbacks suppressed [ 248.388366] CPU: 0 PID: 9562 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51 [ 248.388368] Mem-Info: [ 248.388396] active_anon:43308 inactive_anon:372 isolated_anon:0 [ 248.388396] active_file:9 inactive_file:26 isolated_file:0 [ 248.388396] unevictable:0 dirty:0 writeback:0 unstable:0 [ 248.388396] slab_reclaimable:8855 slab_unreclaimable:1462387 [ 248.388396] mapped:57522 shmem:379 pagetables:727 bounce:0 [ 248.388396] free:13711 free_pcp:202 free_cma:0 [ 248.393746] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 248.393755] Call Trace: [ 248.400950] Node 0 active_anon:173232kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 248.403350] [ 248.436144] Node 0 [ 248.445515] dump_stack+0x1c4/0x2b4 [ 248.448111] 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 [ 248.475863] ? dump_stack_print_info.cold.2+0x52/0x52 [ 248.477989] lowmem_reserve[]: 0 [ 248.480250] warn_alloc.cold.118+0xb7/0x1bd [ 248.483852] 2817 [ 248.509376] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 248.514545] 6321 6321 [ 248.517846] ? lock_downgrade+0x900/0x900 [ 248.522171] Node 0 [ 248.524251] ? trace_hardirqs_off+0xb8/0x300 [ 248.529105] DMA32 free:24940kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 248.531591] ? trace_hardirqs_off+0xb8/0x300 [ 248.535723] lowmem_reserve[]: [ 248.537967] __alloc_pages_slowpath+0x2667/0x2d80 [ 248.542334] 0 0 [ 248.569180] ? warn_alloc+0x120/0x120 [ 248.573542] 3503 [ 248.576648] ? trace_hardirqs_on+0x310/0x310 [ 248.581467] 3503 [ 248.583454] ? warn_alloc+0x120/0x120 [ 248.587229] Node 0 [ 248.589308] ? print_usage_bug+0xc0/0xc0 [ 248.593716] Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:169136kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5568kB pagetables:2908kB bounce:0kB free_pcp:808kB local_pcp:692kB free_cma:0kB [ 248.595747] ? warn_alloc+0x120/0x120 [ 248.599518] lowmem_reserve[]: 0 [ 248.601766] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 248.605790] 0 0 [ 248.634284] ? print_usage_bug+0xc0/0xc0 [ 248.638065] 0 [ 248.641343] ? __lock_acquire+0x7ec/0x4ec0 [ 248.646335] Node 0 [ 248.648304] ? __lock_acquire+0x7ec/0x4ec0 [ 248.652348] DMA: [ 248.654151] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 248.658357] 1*4kB [ 248.660589] ? should_fail+0x22d/0xd01 [ 248.664796] (U) [ 248.666876] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 248.672401] 0*8kB [ 248.674560] ? __lock_acquire+0x7ec/0x4ec0 [ 248.678412] 0*16kB 1*32kB [ 248.680393] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 248.685466] (U) [ 248.687611] ? __lock_acquire+0x7ec/0x4ec0 [ 248.691826] 2*64kB [ 248.694668] ? should_fail+0x22d/0xd01 [ 248.699744] (U) [ 248.701717] ? print_usage_bug+0xc0/0xc0 [ 248.705924] 1*128kB [ 248.708160] ? mark_held_locks+0x130/0x130 [ 248.712046] (U) [ 248.714031] ? mark_held_locks+0x130/0x130 [ 248.718072] 1*256kB [ 248.720402] ? graph_lock+0x170/0x170 [ 248.724602] (U) [ 248.726574] ? print_usage_bug+0xc0/0xc0 [ 248.730781] 0*512kB [ 248.733097] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 248.736870] 1*1024kB (U) [ 248.738894] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.742918] 1*2048kB (M) [ 248.745250] ? check_preemption_disabled+0x48/0x200 [ 248.749975] 3*4096kB [ 248.752725] ? check_preemption_disabled+0x48/0x200 [ 248.758238] (M) [ 248.761002] ? __lock_is_held+0xb5/0x140 [ 248.765995] = 15908kB [ 248.768413] __alloc_pages_nodemask+0xa80/0xde0 [ 248.773393] Node 0 [ 248.775365] ? graph_lock+0x170/0x170 [ 248.779403] DMA32: [ 248.781855] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 248.786475] 3*4kB [ 248.788724] ? graph_lock+0x170/0x170 [ 248.792489] (UM) 2*8kB [ 248.794754] ? find_held_lock+0x36/0x1c0 [ 248.799720] (U) [ 248.801874] ? ____cache_alloc_node+0x1c7/0x1e0 [ 248.805643] 5*16kB [ 248.808225] ? lock_downgrade+0x900/0x900 [ 248.812260] (UM) [ 248.814244] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.818880] 2*32kB [ 248.821123] cache_grow_begin+0x91/0x8c0 [ 248.825243] (UM) [ 248.827309] ? do_raw_spin_unlock+0xa7/0x2f0 [ 248.832825] 3*64kB (UM) [ 248.835095] fallback_alloc+0x203/0x2e0 [ 248.839122] 4*128kB [ 248.841195] ____cache_alloc_node+0x1c7/0x1e0 [ 248.845561] (UM) 2*256kB [ 248.848246] kmem_cache_alloc_node+0xe3/0x730 [ 248.852192] (M) [ 248.854515] ? ipv6_get_ifaddr+0x42e/0x620 [ 248.858983] 4*512kB [ 248.861745] __alloc_skb+0x119/0x770 [ 248.866224] (UM) 3*1024kB [ 248.868213] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 248.872414] (M) 1*2048kB [ 248.874746] ? skb_scrub_packet+0x490/0x490 [ 248.878430] (U) [ 248.881273] ? lock_downgrade+0x900/0x900 [ 248.886519] 4*4096kB (M) [ 248.889297] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 248.893593] = 24940kB [ 248.895580] ? refcount_sub_and_test_checked+0x203/0x310 [ 248.899698] Node 0 [ 248.902463] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 248.907971] Normal: [ 248.910379] ? addrconf_rs_timer+0x6f0/0x6f0 [ 248.915801] 667*4kB [ 248.918040] ndisc_alloc_skb+0x144/0x340 [ 248.923461] (UMEH) [ 248.925819] ndisc_send_rs+0x331/0x6e0 [ 248.930203] 358*8kB [ 248.932526] addrconf_rs_timer+0x3c0/0x6f0 [ 248.936556] (UMEH) [ 248.938791] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 248.942654] 191*16kB [ 248.944989] call_timer_fn+0x272/0x920 [ 248.949186] (UMEH) [ 248.951421] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 248.955628] 81*32kB [ 248.958037] ? process_timeout+0x40/0x40 [ 248.961897] (UMEH) [ 248.964129] ? find_held_lock+0x36/0x1c0 [ 248.968345] 30*64kB (UMH) [ 248.970679] ? __run_timers+0x7da/0xc70 [ 248.974711] 1*128kB [ 248.976942] ? _raw_spin_unlock_irq+0x27/0x80 [ 248.980977] (M) [ 248.983829] ? _raw_spin_unlock_irq+0x27/0x80 [ 248.987798] 3*256kB [ 248.990120] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 248.994585] (UH) 0*512kB [ 248.996568] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 249.001035] 0*1024kB 0*2048kB [ 249.003379] ? trace_hardirqs_on+0xbd/0x310 [ 249.007586] 0*4096kB [ 249.010342] ? kasan_check_read+0x11/0x20 [ 249.014896] = 13996kB [ 249.018087] ? __run_timers+0x7da/0xc70 [ 249.022396] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 249.024798] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 249.028942] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 249.031349] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 249.035304] 414 total pagecache pages [ 249.044163] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 249.049617] 0 pages in swap cache [ 249.058205] __run_timers+0x7e5/0xc70 [ 249.062415] Swap cache stats: add 0, delete 0, find 0/0 [ 249.066217] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 249.070423] Free swap = 0kB [ 249.073887] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 249.077656] Total swap = 0kB [ 249.083011] ? graph_lock+0x170/0x170 [ 249.088350] 1965979 pages RAM [ 249.091368] ? enqueue_hrtimer+0x1a5/0x560 [ 249.096356] 0 pages HighMem/MovableOnly [ 249.096365] 342744 pages reserved [ 249.099382] ? lock_release+0x970/0x970 [ 249.103163] 0 pages cma reserved [ 249.106259] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 249.110558] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 249.114472] ? find_held_lock+0x36/0x1c0 [ 249.118017] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 249.121865] ? graph_lock+0x170/0x170 [ 249.125487] syz-executor1 cpuset= [ 249.130673] ? pvclock_read_flags+0x160/0x160 [ 249.137146] / [ 249.141211] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.151670] mems_allowed=0 [ 249.155470] ? check_preemption_disabled+0x48/0x200 [ 249.178550] ? __lock_is_held+0xb5/0x140 [ 249.182655] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.188210] ? check_preemption_disabled+0x48/0x200 [ 249.193240] run_timer_softirq+0x52/0xb0 [ 249.197307] ? rcu_read_lock_sched_held+0x108/0x120 [ 249.202342] __do_softirq+0x30b/0xad8 [ 249.206162] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 249.211292] ? pvclock_read_flags+0x160/0x160 [ 249.215806] ? lapic_next_event+0x5a/0x90 [ 249.219959] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.225516] ? check_preemption_disabled+0x48/0x200 [ 249.230532] ? check_preemption_disabled+0x48/0x200 [ 249.235561] ? kvm_clock_read+0x18/0x30 [ 249.239540] ? kvm_sched_clock_read+0x9/0x20 [ 249.244047] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.249603] ? check_preemption_disabled+0x48/0x200 [ 249.254639] irq_exit+0x17f/0x1c0 [ 249.258102] smp_apic_timer_interrupt+0x1cb/0x760 [ 249.262960] ? smp_reschedule_interrupt+0x109/0x650 [ 249.267985] ? smp_call_function_single_interrupt+0x650/0x650 [ 249.274505] ? interrupt_entry+0xb5/0xf0 [ 249.278610] ? trace_hardirqs_off_caller+0xbb/0x300 [ 249.283627] ? trace_hardirqs_off_caller+0xbb/0x300 [ 249.288666] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 249.293618] ? trace_hardirqs_off+0x300/0x300 [ 249.298124] ? trace_hardirqs_off+0x300/0x300 [ 249.302626] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 249.308170] ? check_preemption_disabled+0x48/0x200 [ 249.313195] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 249.318756] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 249.323613] apic_timer_interrupt+0xf/0x20 [ 249.327840] [ 249.330085] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 249.335016] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 249.353939] RSP: 0000:ffff88019f217748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 249.361660] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 249.368935] RDX: 0000000000000000 RSI: ffff88019f972d00 RDI: 0000000000000282 [ 249.376210] RBP: ffff88019f2177b0 R08: ffff88019f972480 R09: 0000000000000000 [ 249.383488] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 249.390770] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 249.398104] skb_clone+0x1bb/0x500 [ 249.401650] ? finish_task_switch+0x2f5/0x900 [ 249.406148] ? skb_split+0x11e0/0x11e0 [ 249.410040] ? preempt_notifier_register+0x200/0x200 [ 249.415163] ? __switch_to_asm+0x34/0x70 [ 249.419238] ? __switch_to_asm+0x34/0x70 [ 249.423308] ? __switch_to_asm+0x40/0x70 [ 249.427385] ? __switch_to_asm+0x34/0x70 [ 249.431446] ? __switch_to_asm+0x40/0x70 [ 249.435522] ? __switch_to_asm+0x34/0x70 [ 249.439589] ? __switch_to_asm+0x40/0x70 [ 249.443665] ? __switch_to_asm+0x34/0x70 [ 249.447741] ? __switch_to_asm+0x34/0x70 [ 249.451807] ? __switch_to_asm+0x40/0x70 [ 249.455883] ? __switch_to_asm+0x34/0x70 [ 249.459953] bpf_clone_redirect+0xb9/0x490 [ 249.464191] ? __schedule+0x874/0x1ed0 [ 249.468095] bpf_prog_a2323609a0d1adb1+0x624/0x1000 [ 249.473472] ? __sched_text_start+0x8/0x8 [ 249.477624] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 249.482414] ? find_held_lock+0x36/0x1c0 [ 249.486483] ? lock_acquire+0x1ed/0x520 [ 249.490460] ? bpf_test_run+0x32e/0x5a0 [ 249.494443] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.499988] ? check_preemption_disabled+0x48/0x200 [ 249.505013] ? kasan_check_read+0x11/0x20 [ 249.509170] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 249.514455] ? rcu_bh_qs+0xc0/0xc0 [ 249.518000] ? preempt_schedule+0x4d/0x60 [ 249.522154] ? ___preempt_schedule+0x16/0x18 [ 249.526572] ? bpf_test_run+0x1c0/0x5a0 [ 249.530563] ? netlink_diag_dump+0x2a0/0x2a0 [ 249.534989] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 249.540530] ? bpf_test_init.isra.9+0x70/0x100 [ 249.545120] ? bpf_prog_test_run_skb+0x634/0xb40 [ 249.549888] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 249.554733] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 249.560287] ? fput+0x130/0x1a0 [ 249.563577] ? __bpf_prog_get+0x9b/0x290 [ 249.567641] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 249.572483] ? bpf_prog_test_run+0x130/0x1a0 [ 249.576896] ? __x64_sys_bpf+0x3d8/0x510 [ 249.580960] ? bpf_prog_get+0x20/0x20 [ 249.584788] ? do_syscall_64+0x1b9/0x820 [ 249.588851] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 249.594222] ? syscall_return_slowpath+0x5e0/0x5e0 [ 249.599162] ? trace_hardirqs_off+0x300/0x300 [ 249.603670] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 249.608690] ? recalc_sigpending_tsk+0x180/0x180 [ 249.613452] ? kasan_check_write+0x14/0x20 [ 249.617696] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 249.622551] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 249.627947] CPU: 1 PID: 5351 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51 [ 249.628018] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 249.635145] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 249.635154] Call Trace: [ 249.641754] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 249.651033] [ 249.653630] syz-executor0 cpuset= [ 249.664129] dump_stack+0x1c4/0x2b4 [ 249.666259] syz0 [ 249.669706] ? dump_stack_print_info.cold.2+0x52/0x52 [ 249.673316] mems_allowed=0 [ 249.675289] warn_alloc.cold.118+0xb7/0x1bd [ 249.687693] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 249.692540] ? lock_downgrade+0x900/0x900 [ 249.696711] ? trace_hardirqs_off+0xb8/0x300 [ 249.701174] ? trace_hardirqs_off+0xb8/0x300 [ 249.705598] __alloc_pages_slowpath+0x2667/0x2d80 [ 249.710478] ? warn_alloc+0x120/0x120 [ 249.714287] ? trace_hardirqs_on+0x310/0x310 [ 249.718709] ? warn_alloc+0x120/0x120 [ 249.722522] ? print_usage_bug+0xc0/0xc0 [ 249.726586] ? warn_alloc+0x120/0x120 [ 249.730388] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 249.735407] ? print_usage_bug+0xc0/0xc0 [ 249.739487] ? __lock_acquire+0x7ec/0x4ec0 [ 249.743728] ? __lock_acquire+0x7ec/0x4ec0 [ 249.747968] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 249.753512] ? should_fail+0x22d/0xd01 [ 249.757406] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 249.762524] ? __lock_acquire+0x7ec/0x4ec0 [ 249.766785] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 249.771892] ? __lock_acquire+0x7ec/0x4ec0 [ 249.776135] ? should_fail+0x22d/0xd01 [ 249.780019] ? print_usage_bug+0xc0/0xc0 [ 249.784113] ? mark_held_locks+0x130/0x130 [ 249.788371] ? mark_held_locks+0x130/0x130 [ 249.792632] ? graph_lock+0x170/0x170 [ 249.796439] ? print_usage_bug+0xc0/0xc0 [ 249.800502] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 249.805263] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.810816] ? check_preemption_disabled+0x48/0x200 [ 249.815842] ? check_preemption_disabled+0x48/0x200 [ 249.820880] ? __lock_is_held+0xb5/0x140 [ 249.824956] __alloc_pages_nodemask+0xa80/0xde0 [ 249.829629] ? graph_lock+0x170/0x170 [ 249.833442] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 249.838462] ? graph_lock+0x170/0x170 [ 249.842282] ? find_held_lock+0x36/0x1c0 [ 249.846358] ? ____cache_alloc_node+0x1c7/0x1e0 [ 249.851031] ? lock_downgrade+0x900/0x900 [ 249.855198] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.860751] cache_grow_begin+0x91/0x8c0 [ 249.864822] ? do_raw_spin_unlock+0xa7/0x2f0 [ 249.869247] fallback_alloc+0x203/0x2e0 [ 249.873405] ____cache_alloc_node+0x1c7/0x1e0 [ 249.877913] kmem_cache_alloc_node+0xe3/0x730 [ 249.882417] ? ipv6_get_ifaddr+0x42e/0x620 [ 249.886670] __alloc_skb+0x119/0x770 [ 249.890395] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 249.895689] ? skb_scrub_packet+0x490/0x490 [ 249.900015] ? lock_downgrade+0x900/0x900 [ 249.904194] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 249.909742] ? refcount_sub_and_test_checked+0x203/0x310 [ 249.915200] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 249.920658] ? addrconf_rs_timer+0x6f0/0x6f0 [ 249.925090] ndisc_alloc_skb+0x144/0x340 [ 249.929170] ndisc_send_rs+0x331/0x6e0 [ 249.933084] addrconf_rs_timer+0x3c0/0x6f0 [ 249.937331] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 249.941585] call_timer_fn+0x272/0x920 [ 249.945479] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 249.949720] ? process_timeout+0x40/0x40 [ 249.953791] ? find_held_lock+0x36/0x1c0 [ 249.957871] ? __run_timers+0x7da/0xc70 [ 249.961853] ? _raw_spin_unlock_irq+0x27/0x80 [ 249.966348] ? _raw_spin_unlock_irq+0x27/0x80 [ 249.970850] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 249.975097] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 249.979692] ? trace_hardirqs_on+0xbd/0x310 [ 249.984015] ? kasan_check_read+0x11/0x20 [ 249.988175] ? __run_timers+0x7da/0xc70 [ 249.992156] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 249.997627] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.001872] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 250.006114] __run_timers+0x7e5/0xc70 [ 250.009931] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 250.015305] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 250.020350] ? graph_lock+0x170/0x170 [ 250.024157] ? enqueue_hrtimer+0x1a5/0x560 [ 250.028402] ? lock_release+0x970/0x970 [ 250.032381] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 250.037585] ? find_held_lock+0x36/0x1c0 [ 250.041705] ? pvclock_read_flags+0x160/0x160 [ 250.046237] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.051779] ? check_preemption_disabled+0x48/0x200 [ 250.056820] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 250.062363] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 250.067655] ? rcu_pm_notify+0xc0/0xc0 [ 250.071549] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.077096] ? check_preemption_disabled+0x48/0x200 [ 250.082125] run_timer_softirq+0x52/0xb0 [ 250.086207] ? rcu_read_lock_sched_held+0x108/0x120 [ 250.091239] __do_softirq+0x30b/0xad8 [ 250.095065] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 250.100178] ? pvclock_read_flags+0x160/0x160 [ 250.104677] ? lapic_next_event+0x5a/0x90 [ 250.108836] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.114386] ? check_preemption_disabled+0x48/0x200 [ 250.119406] ? check_preemption_disabled+0x48/0x200 [ 250.124433] ? kvm_clock_read+0x18/0x30 [ 250.128413] ? kvm_sched_clock_read+0x9/0x20 [ 250.132835] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.138382] ? check_preemption_disabled+0x48/0x200 [ 250.143413] irq_exit+0x17f/0x1c0 [ 250.146873] smp_apic_timer_interrupt+0x1cb/0x760 [ 250.151716] ? smp_reschedule_interrupt+0x109/0x650 [ 250.156743] ? smp_call_function_single_interrupt+0x650/0x650 [ 250.162629] ? interrupt_entry+0xb5/0xf0 [ 250.166693] ? trace_hardirqs_off_caller+0xbb/0x300 [ 250.171715] ? trace_hardirqs_off_caller+0xbb/0x300 [ 250.176746] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 250.181591] ? trace_hardirqs_off+0x300/0x300 [ 250.186101] ? trace_hardirqs_off+0x300/0x300 [ 250.190601] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.196180] ? check_preemption_disabled+0x48/0x200 [ 250.201225] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.206775] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 250.211651] apic_timer_interrupt+0xf/0x20 [ 250.215883] [ 250.218124] RIP: 0010:_raw_write_unlock_irq+0x56/0x80 [ 250.223329] Code: 52 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d ab aa 92 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 f0 ec 95 f9 65 8b 05 a9 6e 42 78 85 c0 74 05 5b [ 250.242235] RSP: 0018:ffff8801d8cf7350 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 250.249951] RAX: dffffc0000000000 RBX: ffffffff894090c0 RCX: 0000000000000000 [ 250.257841] RDX: 1ffffffff12a4537 RSI: 0000000000000001 RDI: ffffffff895229b8 [ 250.265287] RBP: ffff8801d8cf7358 R08: ffff8801c24ca580 R09: 0000000000000000 [ 250.272557] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d70737c0 [ 250.279829] R13: ffff8801d8cf7490 R14: 0000000000000000 R15: ffff8801c24cab00 [ 250.287139] do_exit+0x11ef/0x2610 [ 250.290681] ? mem_cgroup_commit_charge+0x275/0x9d0 [ 250.295706] ? mm_update_next_owner+0x990/0x990 [ 250.300377] ? print_usage_bug+0xc0/0xc0 [ 250.304459] ? graph_lock+0x170/0x170 [ 250.308269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.313809] ? check_preemption_disabled+0x48/0x200 [ 250.318836] ? check_preemption_disabled+0x48/0x200 [ 250.323854] ? print_usage_bug+0xc0/0xc0 [ 250.327924] ? __lock_acquire+0x7ec/0x4ec0 [ 250.332170] ? __lock_acquire+0x7ec/0x4ec0 [ 250.336424] ? mark_held_locks+0x130/0x130 [ 250.340693] ? mark_held_locks+0x130/0x130 [ 250.344932] ? finish_task_switch+0x1b5/0x900 [ 250.349430] ? __switch_to_asm+0x34/0x70 [ 250.353493] ? __switch_to_asm+0x34/0x70 [ 250.357559] ? __switch_to_asm+0x34/0x70 [ 250.361618] ? __switch_to_asm+0x40/0x70 [ 250.365680] ? __switch_to_asm+0x34/0x70 [ 250.369738] ? __switch_to_asm+0x40/0x70 [ 250.373819] ? __switch_to_asm+0x34/0x70 [ 250.377889] ? __switch_to_asm+0x34/0x70 [ 250.381952] ? __switch_to_asm+0x34/0x70 [ 250.386015] ? __switch_to_asm+0x34/0x70 [ 250.390084] ? __switch_to_asm+0x40/0x70 [ 250.394145] ? __switch_to_asm+0x34/0x70 [ 250.398205] ? __switch_to_asm+0x40/0x70 [ 250.402281] ? graph_lock+0x170/0x170 [ 250.406096] ? graph_lock+0x170/0x170 [ 250.409909] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.415454] ? wait_consider_task+0x245/0x3bb0 [ 250.420043] ? memset+0x31/0x40 [ 250.423342] ? find_held_lock+0x36/0x1c0 [ 250.427419] ? get_signal+0x95b/0x1980 [ 250.431321] ? _raw_spin_unlock_irq+0x27/0x80 [ 250.435823] ? _raw_spin_unlock_irq+0x27/0x80 [ 250.440347] do_group_exit+0x177/0x440 [ 250.444243] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 250.449715] ? __ia32_sys_exit+0x50/0x50 [ 250.453790] get_signal+0x8b0/0x1980 [ 250.457522] ? ptrace_notify+0x130/0x130 [ 250.461581] ? do_wait+0x57d/0xb90 [ 250.465129] ? wait_consider_task+0x3bb0/0x3bb0 [ 250.469801] ? graph_lock+0x170/0x170 [ 250.473604] ? graph_lock+0x170/0x170 [ 250.477409] ? graph_lock+0x170/0x170 [ 250.481231] do_signal+0x9c/0x21e0 [ 250.484773] ? find_held_lock+0x36/0x1c0 [ 250.488857] ? setup_sigcontext+0x7d0/0x7d0 [ 250.493190] ? kernel_wait4+0x2e0/0x3f0 [ 250.497177] ? __ia32_sys_waitid+0x140/0x140 [ 250.501597] ? task_stopped_code+0x190/0x190 [ 250.506016] ? exit_to_usermode_loop+0x8c/0x380 [ 250.510704] ? __do_page_fault+0x4a6/0xed0 [ 250.514944] ? do_syscall_64+0x9a/0x820 [ 250.518922] ? do_syscall_64+0x9a/0x820 [ 250.522911] exit_to_usermode_loop+0x2e5/0x380 [ 250.527502] ? syscall_slow_exit_work+0x520/0x520 [ 250.532368] do_syscall_64+0x6be/0x820 [ 250.536285] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 250.541658] ? syscall_return_slowpath+0x5e0/0x5e0 [ 250.546594] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 250.551445] ? trace_hardirqs_off+0x300/0x300 [ 250.555950] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 250.560977] ? prepare_exit_to_usermode+0x291/0x3b0 [ 250.566019] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 250.570885] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 250.576174] RIP: 0033:0x410e7a [ 250.579369] Code: Bad RIP value. [ 250.582729] RSP: 002b:00007ffdfa797988 EFLAGS: 00000246 ORIG_RAX: 000000000000003d [ 250.590443] RAX: fffffffffffffe00 RBX: 00000000000014f2 RCX: 0000000000410e7a [ 250.597726] RDX: 0000000040000000 RSI: 00007ffdfa797994 RDI: ffffffffffffffff [ 250.605001] RBP: 0000000000930b28 R08: 00000000000014e7 R09: 00000000024eb940 [ 250.612270] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010 [ 250.619544] R13: 0000000000412a80 R14: 0000000000000000 R15: 0000000000000000 [ 250.626852] warn_alloc_show_mem: 1 callbacks suppressed [ 250.626865] CPU: 0 PID: 9562 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51 [ 250.626867] Mem-Info: [ 250.626896] active_anon:43308 inactive_anon:372 isolated_anon:0 [ 250.626896] active_file:9 inactive_file:26 isolated_file:0 [ 250.626896] unevictable:0 dirty:0 writeback:0 unstable:0 [ 250.626896] slab_reclaimable:8855 slab_unreclaimable:1462387 [ 250.626896] mapped:57522 shmem:379 pagetables:727 bounce:0 [ 250.626896] free:13711 free_pcp:202 free_cma:0 [ 250.632251] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 250.639449] Node 0 active_anon:173232kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 250.641816] Call Trace: [ 250.641850] [ 250.674746] Node 0 [ 250.684140] dump_stack+0x1c4/0x2b4 [ 250.711902] 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 [ 250.714464] ? dump_stack_print_info.cold.2+0x52/0x52 [ 250.716600] lowmem_reserve[]: 0 [ 250.718852] warn_alloc.cold.118+0xb7/0x1bd [ 250.722446] 2817 [ 250.747965] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 250.753133] 6321 [ 250.756407] ? lock_downgrade+0x900/0x900 [ 250.760703] 6321 [ 250.762764] ? trace_hardirqs_off+0xb8/0x300 [ 250.769636] ? trace_hardirqs_off+0xb8/0x300 [ 250.773756] Node 0 [ 250.775820] __alloc_pages_slowpath+0x2667/0x2d80 [ 250.780225] DMA32 free:24940kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 250.784638] ? warn_alloc+0x120/0x120 [ 250.786808] lowmem_reserve[]: 0 [ 250.791663] ? trace_hardirqs_on+0x310/0x310 [ 250.818451] 0 3503 [ 250.822262] ? warn_alloc+0x120/0x120 [ 250.825508] 3503 [ 250.829940] ? print_usage_bug+0xc0/0xc0 [ 250.832187] Node 0 [ 250.835982] ? warn_alloc+0x120/0x120 [ 250.838058] Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:169136kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5568kB pagetables:2908kB bounce:0kB free_pcp:808kB local_pcp:692kB free_cma:0kB [ 250.842084] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 250.842099] ? print_usage_bug+0xc0/0xc0 [ 250.844312] lowmem_reserve[]: 0 0 [ 250.848121] ? __lock_acquire+0x7ec/0x4ec0 [ 250.876557] 0 [ 250.881572] ? __lock_acquire+0x7ec/0x4ec0 [ 250.885595] 0 [ 250.889062] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 250.893268] Node 0 [ 250.895073] ? should_fail+0x22d/0xd01 [ 250.899280] DMA: [ 250.901085] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 250.906598] 1*4kB [ 250.908833] ? __lock_acquire+0x7ec/0x4ec0 [ 250.912691] (U) [ 250.914749] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 250.919829] 0*8kB [ 250.921974] ? __lock_acquire+0x7ec/0x4ec0 [ 250.926187] 0*16kB [ 250.928161] ? should_fail+0x22d/0xd01 [ 250.933240] 1*32kB [ 250.935383] ? print_usage_bug+0xc0/0xc0 [ 250.939591] (U) [ 250.941828] ? mark_held_locks+0x130/0x130 [ 250.945691] 2*64kB [ 250.947919] ? mark_held_locks+0x130/0x130 [ 250.951955] (U) [ 250.953929] ? graph_lock+0x170/0x170 [ 250.958136] 1*128kB [ 250.960365] ? print_usage_bug+0xc0/0xc0 [ 250.964576] (U) [ 250.966547] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 250.970317] 1*256kB (U) [ 250.972665] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 250.976694] 0*512kB 1*1024kB [ 250.978677] ? check_preemption_disabled+0x48/0x200 [ 250.983401] (U) [ 250.986076] ? check_preemption_disabled+0x48/0x200 [ 250.991586] 1*2048kB [ 250.994690] ? __lock_is_held+0xb5/0x140 [ 250.999674] (M) [ 251.001649] __alloc_pages_nodemask+0xa80/0xde0 [ 251.006635] 3*4096kB [ 251.009036] ? graph_lock+0x170/0x170 [ 251.013079] (M) [ 251.015060] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 251.019722] = 15908kB [ 251.022125] ? graph_lock+0x170/0x170 [ 251.025945] Node 0 [ 251.027925] ? find_held_lock+0x36/0x1c0 [ 251.032908] DMA32: [ 251.035328] ? ____cache_alloc_node+0x1c7/0x1e0 [ 251.039092] 3*4kB [ 251.041328] ? lock_downgrade+0x900/0x900 [ 251.045351] (UM) 2*8kB [ 251.047601] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.052234] (U) [ 251.054382] cache_grow_begin+0x91/0x8c0 [ 251.058521] 5*16kB [ 251.061101] ? do_raw_spin_unlock+0xa7/0x2f0 [ 251.066611] (UM) [ 251.068673] fallback_alloc+0x203/0x2e0 [ 251.072698] 2*32kB (UM) [ 251.074941] ____cache_alloc_node+0x1c7/0x1e0 [ 251.079315] 3*64kB (UM) [ 251.081387] kmem_cache_alloc_node+0xe3/0x730 [ 251.085334] 4*128kB [ 251.088000] ? ipv6_get_ifaddr+0x42e/0x620 [ 251.092468] (UM) [ 251.095137] __alloc_skb+0x119/0x770 [ 251.099602] 2*256kB [ 251.101922] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 251.106130] (M) [ 251.108192] ? skb_scrub_packet+0x490/0x490 [ 251.111931] 4*512kB [ 251.114249] ? lock_downgrade+0x900/0x900 [ 251.119497] (UM) [ 251.121475] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.125966] 3*1024kB (M) [ 251.128299] ? refcount_sub_and_test_checked+0x203/0x310 [ 251.132421] 1*2048kB [ 251.134479] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 251.139988] (U) [ 251.142739] ? addrconf_rs_timer+0x6f0/0x6f0 [ 251.148168] 4*4096kB [ 251.150582] ndisc_alloc_skb+0x144/0x340 [ 251.155997] (M) [ 251.157972] ndisc_send_rs+0x331/0x6e0 [ 251.162353] = 24940kB [ 251.164763] addrconf_rs_timer+0x3c0/0x6f0 [ 251.168820] Node 0 [ 251.170794] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 251.174653] Normal: [ 251.177074] call_timer_fn+0x272/0x920 [ 251.181271] 667*4kB [ 251.183503] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 251.187709] (UMEH) [ 251.190039] ? process_timeout+0x40/0x40 [ 251.193920] 358*8kB [ 251.196264] ? find_held_lock+0x36/0x1c0 [ 251.200473] (UMEH) [ 251.202710] ? __run_timers+0x7da/0xc70 [ 251.206737] 191*16kB (UMEH) [ 251.209071] ? _raw_spin_unlock_irq+0x27/0x80 [ 251.213100] 81*32kB (UMEH) [ 251.215345] ? _raw_spin_unlock_irq+0x27/0x80 [ 251.219296] 30*64kB [ 251.222321] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 251.226786] (UMH) [ 251.229712] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 251.234173] 1*128kB (M) [ 251.236500] ? trace_hardirqs_on+0xbd/0x310 [ 251.240708] 3*256kB [ 251.242854] ? kasan_check_read+0x11/0x20 [ 251.247402] (UH) 0*512kB [ 251.250085] ? __run_timers+0x7da/0xc70 [ 251.254378] 0*1024kB [ 251.256699] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 251.260836] 0*2048kB 0*4096kB [ 251.263601] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 251.267542] = 13996kB [ 251.267556] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 251.269959] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 251.275388] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 251.278570] __run_timers+0x7e5/0xc70 [ 251.282776] 414 total pagecache pages [ 251.285215] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 251.294022] 0 pages in swap cache [ 251.298243] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 251.306797] Swap cache stats: add 0, delete 0, find 0/0 [ 251.310587] ? graph_lock+0x170/0x170 [ 251.314363] Free swap = 0kB [ 251.319715] ? enqueue_hrtimer+0x1a5/0x560 [ 251.323145] Total swap = 0kB [ 251.328153] ? lock_release+0x970/0x970 [ 251.333491] 1965979 pages RAM [ 251.337284] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 251.340271] 0 pages HighMem/MovableOnly [ 251.340280] 342744 pages reserved [ 251.344510] ? find_held_lock+0x36/0x1c0 [ 251.347501] 0 pages cma reserved [ 251.351469] ? graph_lock+0x170/0x170 [ 251.354610] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 251.359727] ? pvclock_read_flags+0x160/0x160 [ 251.359742] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.359762] ? check_preemption_disabled+0x48/0x200 [ 251.363896] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 251.367309] ? __lock_is_held+0xb5/0x140 [ 251.371343] syz-executor1 cpuset= [ 251.374721] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.378500] / [ 251.384986] ? check_preemption_disabled+0x48/0x200 [ 251.389455] mems_allowed=0 [ 251.394984] run_timer_softirq+0x52/0xb0 [ 251.437112] ? rcu_read_lock_sched_held+0x108/0x120 [ 251.442137] __do_softirq+0x30b/0xad8 [ 251.445953] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 251.451087] ? pvclock_read_flags+0x160/0x160 [ 251.455582] ? lapic_next_event+0x5a/0x90 [ 251.459733] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.465297] ? check_preemption_disabled+0x48/0x200 [ 251.470327] ? check_preemption_disabled+0x48/0x200 [ 251.475351] ? kvm_clock_read+0x18/0x30 [ 251.479348] ? kvm_sched_clock_read+0x9/0x20 [ 251.483759] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.489322] ? check_preemption_disabled+0x48/0x200 [ 251.494362] irq_exit+0x17f/0x1c0 [ 251.497822] smp_apic_timer_interrupt+0x1cb/0x760 [ 251.502665] ? smp_reschedule_interrupt+0x109/0x650 [ 251.507682] ? smp_call_function_single_interrupt+0x650/0x650 [ 251.513566] ? interrupt_entry+0xb5/0xf0 [ 251.517638] ? trace_hardirqs_off_caller+0xbb/0x300 [ 251.522687] ? trace_hardirqs_off_caller+0xbb/0x300 [ 251.527739] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 251.532583] ? trace_hardirqs_off+0x300/0x300 [ 251.537083] ? trace_hardirqs_off+0x300/0x300 [ 251.541581] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 251.547159] ? check_preemption_disabled+0x48/0x200 [ 251.552177] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 251.557721] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 251.562573] apic_timer_interrupt+0xf/0x20 [ 251.566818] [ 251.569069] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 251.574021] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 251.593277] RSP: 0000:ffff88019f217748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 251.601006] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 251.608277] RDX: 0000000000000000 RSI: ffff88019f972d00 RDI: 0000000000000282 [ 251.615547] RBP: ffff88019f2177b0 R08: ffff88019f972480 R09: 0000000000000000 [ 251.622817] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 251.630087] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 251.637403] skb_clone+0x1bb/0x500 [ 251.640948] ? finish_task_switch+0x2f5/0x900 [ 251.645442] ? skb_split+0x11e0/0x11e0 [ 251.649340] ? preempt_notifier_register+0x200/0x200 [ 251.654470] ? __switch_to_asm+0x34/0x70 [ 251.658533] ? __switch_to_asm+0x34/0x70 [ 251.662594] ? __switch_to_asm+0x40/0x70 [ 251.666652] ? __switch_to_asm+0x34/0x70 [ 251.670739] ? __switch_to_asm+0x40/0x70 [ 251.674802] ? __switch_to_asm+0x34/0x70 [ 251.678860] ? __switch_to_asm+0x40/0x70 [ 251.682920] ? __switch_to_asm+0x34/0x70 [ 251.686984] ? __switch_to_asm+0x34/0x70 [ 251.691044] ? __switch_to_asm+0x40/0x70 [ 251.695114] ? __switch_to_asm+0x34/0x70 [ 251.699188] bpf_clone_redirect+0xb9/0x490 [ 251.703428] ? __schedule+0x874/0x1ed0 [ 251.707327] bpf_prog_a2323609a0d1adb1+0x624/0x1000 [ 251.712353] ? __sched_text_start+0x8/0x8 [ 251.716502] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 251.721276] ? find_held_lock+0x36/0x1c0 [ 251.725351] ? lock_acquire+0x1ed/0x520 [ 251.729330] ? bpf_test_run+0x32e/0x5a0 [ 251.733310] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 251.738874] ? check_preemption_disabled+0x48/0x200 [ 251.743904] ? kasan_check_read+0x11/0x20 [ 251.748070] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 251.753373] ? rcu_bh_qs+0xc0/0xc0 [ 251.756919] ? preempt_schedule+0x4d/0x60 [ 251.761092] ? ___preempt_schedule+0x16/0x18 [ 251.765521] ? bpf_test_run+0x1c0/0x5a0 [ 251.769522] ? netlink_diag_dump+0x2a0/0x2a0 [ 251.773942] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 251.779487] ? bpf_test_init.isra.9+0x70/0x100 [ 251.784128] ? bpf_prog_test_run_skb+0x634/0xb40 [ 251.788899] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 251.793747] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 251.799289] ? fput+0x130/0x1a0 [ 251.802580] ? __bpf_prog_get+0x9b/0x290 [ 251.806670] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 251.811516] ? bpf_prog_test_run+0x130/0x1a0 [ 251.815930] ? __x64_sys_bpf+0x3d8/0x510 [ 251.819993] ? bpf_prog_get+0x20/0x20 [ 251.823823] ? do_syscall_64+0x1b9/0x820 [ 251.827889] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 251.833266] ? syscall_return_slowpath+0x5e0/0x5e0 [ 251.838208] ? trace_hardirqs_off+0x300/0x300 [ 251.842737] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 251.847768] ? recalc_sigpending_tsk+0x180/0x180 [ 251.852543] ? kasan_check_write+0x14/0x20 [ 251.856800] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 251.861683] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 251.867115] CPU: 1 PID: 5351 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51 [ 251.867206] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 251.874332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 251.874345] Call Trace: [ 251.881009] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 251.890207] [ 251.890234] dump_stack+0x1c4/0x2b4 [ 251.893006] syz-executor0 cpuset= [ 251.903515] ? dump_stack_print_info.cold.2+0x52/0x52 [ 251.903545] warn_alloc.cold.118+0xb7/0x1bd [ 251.905892] syz0 [ 251.909462] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 251.909481] ? lock_downgrade+0x900/0x900 [ 251.909505] ? trace_hardirqs_off+0xb8/0x300 [ 251.909526] ? trace_hardirqs_off+0xb8/0x300 [ 251.909550] __alloc_pages_slowpath+0x2667/0x2d80 [ 251.913142] mems_allowed=0 [ 251.918446] ? warn_alloc+0x120/0x120 [ 251.954023] ? warn_alloc+0x120/0x120 [ 251.957844] ? print_usage_bug+0xc0/0xc0 [ 251.961912] ? warn_alloc+0x120/0x120 [ 251.965737] ? print_usage_bug+0xc0/0xc0 [ 251.969805] ? __lock_acquire+0x7ec/0x4ec0 [ 251.974045] ? __lock_acquire+0x7ec/0x4ec0 [ 251.978297] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 251.983845] ? should_fail+0x22d/0xd01 [ 251.987743] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 251.992852] ? __lock_acquire+0x7ec/0x4ec0 [ 251.997095] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 252.002198] ? __lock_acquire+0x7ec/0x4ec0 [ 252.006432] ? should_fail+0x22d/0xd01 [ 252.010330] ? mark_held_locks+0x130/0x130 [ 252.014570] ? mark_held_locks+0x130/0x130 [ 252.018835] ? graph_lock+0x170/0x170 [ 252.022638] ? graph_lock+0x170/0x170 [ 252.026459] ? graph_lock+0x170/0x170 [ 252.030263] ? print_usage_bug+0xc0/0xc0 [ 252.034326] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.039881] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.045455] ? check_preemption_disabled+0x48/0x200 [ 252.050481] ? check_preemption_disabled+0x48/0x200 [ 252.055521] ? __lock_is_held+0xb5/0x140 [ 252.059591] __alloc_pages_nodemask+0xa80/0xde0 [ 252.064270] ? graph_lock+0x170/0x170 [ 252.068083] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 252.073100] ? graph_lock+0x170/0x170 [ 252.076926] ? find_held_lock+0x36/0x1c0 [ 252.081011] ? ____cache_alloc_node+0x1c7/0x1e0 [ 252.085694] ? lock_downgrade+0x900/0x900 [ 252.089861] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.095440] cache_grow_begin+0x91/0x8c0 [ 252.099530] ? do_raw_spin_unlock+0xa7/0x2f0 [ 252.103960] fallback_alloc+0x203/0x2e0 [ 252.107948] ____cache_alloc_node+0x1c7/0x1e0 [ 252.112455] kmem_cache_alloc_node+0xe3/0x730 [ 252.116956] ? ipv6_get_ifaddr+0x42e/0x620 [ 252.121298] __alloc_skb+0x119/0x770 [ 252.125020] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 252.130332] ? skb_scrub_packet+0x490/0x490 [ 252.134674] ? lock_downgrade+0x900/0x900 [ 252.138840] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.144397] ? refcount_sub_and_test_checked+0x203/0x310 [ 252.149864] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 252.155326] ? addrconf_rs_timer+0x6f0/0x6f0 [ 252.159760] ndisc_alloc_skb+0x144/0x340 [ 252.163836] ndisc_send_rs+0x331/0x6e0 [ 252.167736] addrconf_rs_timer+0x3c0/0x6f0 [ 252.171991] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.176265] call_timer_fn+0x272/0x920 [ 252.180169] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.184418] ? process_timeout+0x40/0x40 [ 252.188489] ? find_held_lock+0x36/0x1c0 [ 252.192571] ? __run_timers+0x7da/0xc70 [ 252.196580] ? _raw_spin_unlock_irq+0x27/0x80 [ 252.201107] ? _raw_spin_unlock_irq+0x27/0x80 [ 252.205612] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.209856] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 252.214454] ? trace_hardirqs_on+0xbd/0x310 [ 252.218798] ? kasan_check_read+0x11/0x20 [ 252.222973] ? __run_timers+0x7da/0xc70 [ 252.227001] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 252.232474] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.236720] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 252.240962] __run_timers+0x7e5/0xc70 [ 252.244780] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 252.250151] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 252.255174] ? graph_lock+0x170/0x170 [ 252.259507] ? enqueue_hrtimer+0x1a5/0x560 [ 252.263741] ? lock_release+0x970/0x970 [ 252.267719] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 252.272919] ? find_held_lock+0x36/0x1c0 [ 252.276995] ? pvclock_read_flags+0x160/0x160 [ 252.281492] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.287061] ? check_preemption_disabled+0x48/0x200 [ 252.292100] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 252.297640] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 252.302941] ? rcu_pm_notify+0xc0/0xc0 [ 252.306861] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.312406] ? check_preemption_disabled+0x48/0x200 [ 252.317432] run_timer_softirq+0x52/0xb0 [ 252.321498] ? rcu_read_lock_sched_held+0x108/0x120 [ 252.326523] __do_softirq+0x30b/0xad8 [ 252.330344] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 252.335455] ? pvclock_read_flags+0x160/0x160 [ 252.339951] ? lapic_next_event+0x5a/0x90 [ 252.344104] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.349649] ? check_preemption_disabled+0x48/0x200 [ 252.354668] ? check_preemption_disabled+0x48/0x200 [ 252.359695] ? kvm_clock_read+0x18/0x30 [ 252.363688] ? kvm_sched_clock_read+0x9/0x20 [ 252.368104] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.373644] ? check_preemption_disabled+0x48/0x200 [ 252.378675] irq_exit+0x17f/0x1c0 [ 252.382137] smp_apic_timer_interrupt+0x1cb/0x760 [ 252.386982] ? smp_reschedule_interrupt+0x109/0x650 [ 252.392000] ? smp_call_function_single_interrupt+0x650/0x650 [ 252.397889] ? interrupt_entry+0xb5/0xf0 [ 252.401955] ? trace_hardirqs_off_caller+0xbb/0x300 [ 252.406986] ? trace_hardirqs_off_caller+0xbb/0x300 [ 252.412018] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 252.416881] ? trace_hardirqs_off+0x300/0x300 [ 252.421381] ? trace_hardirqs_off+0x300/0x300 [ 252.425880] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.431420] ? check_preemption_disabled+0x48/0x200 [ 252.436437] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.441985] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 252.446848] apic_timer_interrupt+0xf/0x20 [ 252.451086] [ 252.453327] RIP: 0010:_raw_write_unlock_irq+0x56/0x80 [ 252.458517] Code: 52 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d ab aa 92 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 f0 ec 95 f9 65 8b 05 a9 6e 42 78 85 c0 74 05 5b [ 252.477441] RSP: 0018:ffff8801d8cf7350 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 252.485156] RAX: dffffc0000000000 RBX: ffffffff894090c0 RCX: 0000000000000000 [ 252.492425] RDX: 1ffffffff12a4537 RSI: 0000000000000001 RDI: ffffffff895229b8 [ 252.499800] RBP: ffff8801d8cf7358 R08: ffff8801c24ca580 R09: 0000000000000000 [ 252.507085] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d70737c0 [ 252.514358] R13: ffff8801d8cf7490 R14: 0000000000000000 R15: ffff8801c24cab00 [ 252.521667] do_exit+0x11ef/0x2610 [ 252.525210] ? mem_cgroup_commit_charge+0x275/0x9d0 [ 252.530235] ? mm_update_next_owner+0x990/0x990 [ 252.534907] ? print_usage_bug+0xc0/0xc0 [ 252.538972] ? graph_lock+0x170/0x170 [ 252.542781] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.548350] ? check_preemption_disabled+0x48/0x200 [ 252.553372] ? check_preemption_disabled+0x48/0x200 [ 252.558409] ? print_usage_bug+0xc0/0xc0 [ 252.562478] ? __lock_acquire+0x7ec/0x4ec0 [ 252.566903] ? __lock_acquire+0x7ec/0x4ec0 [ 252.571162] ? mark_held_locks+0x130/0x130 [ 252.575428] ? mark_held_locks+0x130/0x130 [ 252.579670] ? finish_task_switch+0x1b5/0x900 [ 252.584169] ? __switch_to_asm+0x34/0x70 [ 252.588236] ? __switch_to_asm+0x34/0x70 [ 252.592298] ? __switch_to_asm+0x34/0x70 [ 252.596361] ? __switch_to_asm+0x40/0x70 [ 252.600420] ? __switch_to_asm+0x34/0x70 [ 252.604484] ? __switch_to_asm+0x40/0x70 [ 252.608545] ? __switch_to_asm+0x34/0x70 [ 252.612610] ? __switch_to_asm+0x34/0x70 [ 252.616670] ? __switch_to_asm+0x34/0x70 [ 252.620730] ? __switch_to_asm+0x34/0x70 [ 252.624793] ? __switch_to_asm+0x40/0x70 [ 252.628856] ? __switch_to_asm+0x34/0x70 [ 252.632916] ? __switch_to_asm+0x40/0x70 [ 252.636987] ? graph_lock+0x170/0x170 [ 252.640792] ? graph_lock+0x170/0x170 [ 252.644604] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 252.650148] ? wait_consider_task+0x245/0x3bb0 [ 252.654735] ? memset+0x31/0x40 [ 252.658025] ? find_held_lock+0x36/0x1c0 [ 252.662102] ? get_signal+0x95b/0x1980 [ 252.665994] ? _raw_spin_unlock_irq+0x27/0x80 [ 252.670492] ? _raw_spin_unlock_irq+0x27/0x80 [ 252.674997] do_group_exit+0x177/0x440 [ 252.678892] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 252.684344] ? __ia32_sys_exit+0x50/0x50 [ 252.688420] get_signal+0x8b0/0x1980 [ 252.692148] ? ptrace_notify+0x130/0x130 [ 252.696231] ? do_wait+0x57d/0xb90 [ 252.699780] ? wait_consider_task+0x3bb0/0x3bb0 [ 252.704451] ? graph_lock+0x170/0x170 [ 252.708254] ? graph_lock+0x170/0x170 [ 252.712068] ? graph_lock+0x170/0x170 [ 252.715894] do_signal+0x9c/0x21e0 [ 252.719440] ? find_held_lock+0x36/0x1c0 [ 252.723513] ? setup_sigcontext+0x7d0/0x7d0 [ 252.727856] ? kernel_wait4+0x2e0/0x3f0 [ 252.731855] ? __ia32_sys_waitid+0x140/0x140 [ 252.736582] ? task_stopped_code+0x190/0x190 [ 252.740996] ? exit_to_usermode_loop+0x8c/0x380 [ 252.745692] ? __do_page_fault+0x4a6/0xed0 [ 252.749932] ? do_syscall_64+0x9a/0x820 [ 252.753929] ? do_syscall_64+0x9a/0x820 [ 252.757912] exit_to_usermode_loop+0x2e5/0x380 [ 252.762502] ? syscall_slow_exit_work+0x520/0x520 [ 252.767359] do_syscall_64+0x6be/0x820 [ 252.771256] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 252.776644] ? syscall_return_slowpath+0x5e0/0x5e0 [ 252.781577] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 252.786428] ? trace_hardirqs_off+0x300/0x300 [ 252.790928] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 252.796039] ? prepare_exit_to_usermode+0x291/0x3b0 [ 252.801098] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 252.805957] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 252.811151] RIP: 0033:0x410e7a [ 252.814352] Code: Bad RIP value. [ 252.817728] RSP: 002b:00007ffdfa797988 EFLAGS: 00000246 ORIG_RAX: 000000000000003d [ 252.825441] RAX: fffffffffffffe00 RBX: 00000000000014f2 RCX: 0000000000410e7a [ 252.832711] RDX: 0000000040000000 RSI: 00007ffdfa797994 RDI: ffffffffffffffff [ 252.839982] RBP: 0000000000930b28 R08: 00000000000014e7 R09: 00000000024eb940 [ 252.847258] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010 [ 252.854545] R13: 0000000000412a80 R14: 0000000000000000 R15: 0000000000000000 [ 252.861849] warn_alloc_show_mem: 1 callbacks suppressed [ 252.861861] CPU: 0 PID: 9562 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51 [ 252.861863] Mem-Info: [ 252.861894] active_anon:43308 inactive_anon:372 isolated_anon:0 [ 252.861894] active_file:9 inactive_file:26 isolated_file:0 [ 252.861894] unevictable:0 dirty:0 writeback:0 unstable:0 [ 252.861894] slab_reclaimable:8855 slab_unreclaimable:1462387 [ 252.861894] mapped:57522 shmem:379 pagetables:727 bounce:0 [ 252.861894] free:13711 free_pcp:202 free_cma:0 [ 252.867236] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 252.867245] Call Trace: [ 252.874443] Node 0 active_anon:173232kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 252.876846] [ 252.909634] Node 0 [ 252.919001] dump_stack+0x1c4/0x2b4 [ 252.921582] 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 [ 252.949328] ? dump_stack_print_info.cold.2+0x52/0x52 [ 252.951450] lowmem_reserve[]: [ 252.953690] warn_alloc.cold.118+0xb7/0x1bd [ 252.957285] 0 [ 252.982804] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 252.987988] 2817 [ 252.991109] ? lock_downgrade+0x900/0x900 [ 252.995405] 6321 [ 252.997216] ? trace_hardirqs_off+0xb8/0x300 [ 253.002031] 6321 [ 253.004103] ? trace_hardirqs_off+0xb8/0x300 [ 253.010321] __alloc_pages_slowpath+0x2667/0x2d80 [ 253.014690] Node 0 [ 253.016777] ? warn_alloc+0x120/0x120 [ 253.021166] DMA32 free:24940kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 253.025984] ? trace_hardirqs_on+0x310/0x310 [ 253.028192] lowmem_reserve[]: [ 253.031991] ? warn_alloc+0x120/0x120 [ 253.058783] 0 [ 253.063207] ? print_usage_bug+0xc0/0xc0 [ 253.066289] 0 [ 253.070111] ? lockdep_on+0x50/0x50 [ 253.071884] 3503 3503 [ 253.075954] ? lock_pin_lock+0x350/0x350 [ 253.081374] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 253.083846] Node 0 [ 253.087911] ? should_fail+0x22d/0xd01 [ 253.093456] Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:169136kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5568kB pagetables:2908kB bounce:0kB free_pcp:808kB local_pcp:692kB free_cma:0kB [ 253.095675] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 253.099536] lowmem_reserve[]: [ 253.128534] ? __lock_acquire+0x7ec/0x4ec0 [ 253.133618] 0 [ 253.136729] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 253.140934] 0 [ 253.142737] ? __lock_acquire+0x2881/0x4ec0 [ 253.147810] 0 0 [ 253.149621] ? should_fail+0x22d/0xd01 [ 253.153920] Node 0 [ 253.155907] ? mark_held_locks+0x130/0x130 [ 253.159762] DMA: [ 253.162003] ? mark_held_locks+0x130/0x130 [ 253.166217] 1*4kB [ 253.168288] ? kasan_check_read+0x11/0x20 [ 253.172492] (U) [ 253.174643] ? __lock_acquire+0x2881/0x4ec0 [ 253.178766] 0*8kB [ 253.180740] ? graph_lock+0x170/0x170 [ 253.185030] 0*16kB 1*32kB [ 253.187195] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.190999] (U) [ 253.193846] ? check_preemption_disabled+0x48/0x200 [ 253.199357] 2*64kB [ 253.201335] ? check_preemption_disabled+0x48/0x200 [ 253.206317] (U) 1*128kB [ 253.208578] ? __lock_is_held+0xb5/0x140 [ 253.213551] (U) 1*256kB [ 253.216229] __alloc_pages_nodemask+0xa80/0xde0 [ 253.220270] (U) [ 253.222937] ? graph_lock+0x170/0x170 [ 253.227582] 0*512kB [ 253.229557] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 253.233335] 1*1024kB [ 253.235652] ? graph_lock+0x170/0x170 [ 253.240643] (U) [ 253.243064] ? find_held_lock+0x36/0x1c0 [ 253.246832] 1*2048kB (M) [ 253.248831] ? ____cache_alloc_node+0x1c7/0x1e0 [ 253.252861] 3*4096kB (M) [ 253.255632] ? lock_downgrade+0x900/0x900 [ 253.260286] = 15908kB [ 253.263078] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.267203] Node 0 [ 253.269622] cache_grow_begin+0x91/0x8c0 [ 253.275128] DMA32: [ 253.277366] ? do_raw_spin_unlock+0xa7/0x2f0 [ 253.281399] 3*4kB [ 253.283638] fallback_alloc+0x203/0x2e0 [ 253.288025] (UM) [ 253.290193] ____cache_alloc_node+0x1c7/0x1e0 [ 253.294134] 2*8kB [ 253.296193] kmem_cache_alloc_node+0xe3/0x730 [ 253.300664] (U) [ 253.302811] ? do_raw_spin_unlock+0xa7/0x2f0 [ 253.307285] 5*16kB (UM) [ 253.309281] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 253.313676] 2*32kB (UM) [ 253.316357] __alloc_skb+0x119/0x770 [ 253.320909] 3*64kB [ 253.323599] ? skb_scrub_packet+0x490/0x490 [ 253.327284] (UM) [ 253.329520] ? atomic_notifier_call_chain+0xc6/0x190 [ 253.333828] 4*128kB (UM) [ 253.335900] ? lock_downgrade+0x900/0x900 [ 253.340978] 2*256kB [ 253.343736] ? check_preemption_disabled+0x48/0x200 [ 253.347855] (M) [ 253.350180] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 253.355164] 4*512kB [ 253.357131] ? kasan_check_read+0x11/0x20 [ 253.357148] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 253.362922] (UM) [ 253.365244] ? rcu_bh_qs+0xc0/0xc0 [ 253.369388] 3*1024kB [ 253.374661] ? do_raw_write_trylock+0x1c0/0x1c0 [ 253.376699] (M) [ 253.380250] __neigh_notify+0x8c/0x160 [ 253.382637] 1*2048kB [ 253.387323] ? __neigh_event_send+0x1390/0x1390 [ 253.389273] (U) [ 253.393155] neigh_timer_handler+0x6cb/0xdf0 [ 253.395538] 4*4096kB [ 253.400211] ? neigh_invalidate+0x550/0x550 [ 253.402160] (M) [ 253.406578] ? __lock_is_held+0xb5/0x140 [ 253.408968] = 24940kB [ 253.413304] call_timer_fn+0x272/0x920 [ 253.415248] Node 0 [ 253.419310] ? neigh_invalidate+0x550/0x550 [ 253.421690] Normal: 667*4kB [ 253.425589] ? process_timeout+0x40/0x40 [ 253.427801] (UMEH) [ 253.432126] ? find_held_lock+0x36/0x1c0 [ 253.435123] 358*8kB [ 253.439193] ? __run_timers+0x7da/0xc70 [ 253.441396] (UMEH) 191*16kB [ 253.445469] ? _raw_spin_unlock_irq+0x27/0x80 [ 253.447768] (UMEH) [ 253.451750] ? _raw_spin_unlock_irq+0x27/0x80 [ 253.454748] 81*32kB [ 253.459247] ? neigh_invalidate+0x550/0x550 [ 253.459264] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 253.461492] (UMEH) [ 253.466009] ? trace_hardirqs_on+0xbd/0x310 [ 253.468316] 30*64kB [ 253.472682] ? kasan_check_read+0x11/0x20 [ 253.477254] (UMH) [ 253.479504] ? __run_timers+0x7da/0xc70 [ 253.483823] 1*128kB [ 253.486165] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 253.490299] (M) [ 253.492491] ? neigh_invalidate+0x550/0x550 [ 253.496514] 3*256kB (UH) [ 253.498854] __run_timers+0x7e5/0xc70 [ 253.504287] 0*512kB 0*1024kB [ 253.506302] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 253.510582] 0*2048kB 0*4096kB [ 253.513364] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 253.517138] = 13996kB [ 253.520246] ? graph_lock+0x170/0x170 [ 253.525603] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 253.528796] ? enqueue_hrtimer+0x1a5/0x560 [ 253.533800] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 253.533810] 414 total pagecache pages [ 253.536232] ? lock_release+0x970/0x970 [ 253.540020] 0 pages in swap cache [ 253.548864] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 253.553085] Swap cache stats: add 0, delete 0, find 0/0 [ 253.561677] ? find_held_lock+0x36/0x1c0 [ 253.565451] Free swap = 0kB [ 253.569440] ? graph_lock+0x170/0x170 [ 253.572866] Total swap = 0kB [ 253.578101] ? pvclock_read_flags+0x160/0x160 [ 253.583441] 1965979 pages RAM [ 253.587510] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.590503] 0 pages HighMem/MovableOnly [ 253.594305] ? check_preemption_disabled+0x48/0x200 [ 253.597295] 342744 pages reserved [ 253.597304] 0 pages cma reserved [ 253.601811] ? __lock_is_held+0xb5/0x140 [ 253.604952] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 253.610420] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.610438] ? check_preemption_disabled+0x48/0x200 [ 253.610461] run_timer_softirq+0x52/0xb0 [ 253.614470] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 253.619425] ? rcu_read_lock_sched_held+0x108/0x120 [ 253.622852] syz-executor1 cpuset= [ 253.626231] __do_softirq+0x30b/0xad8 [ 253.630266] / [ 253.636763] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 253.642276] mems_allowed=0 [ 253.647288] ? pvclock_read_flags+0x160/0x160 [ 253.688259] ? lapic_next_event+0x5a/0x90 [ 253.692431] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.697976] ? check_preemption_disabled+0x48/0x200 [ 253.703013] ? check_preemption_disabled+0x48/0x200 [ 253.708044] ? kvm_clock_read+0x18/0x30 [ 253.712029] ? kvm_sched_clock_read+0x9/0x20 [ 253.716452] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.721996] ? check_preemption_disabled+0x48/0x200 [ 253.727116] irq_exit+0x17f/0x1c0 [ 253.730577] smp_apic_timer_interrupt+0x1cb/0x760 [ 253.735422] ? smp_reschedule_interrupt+0x109/0x650 [ 253.740442] ? smp_call_function_single_interrupt+0x650/0x650 [ 253.746332] ? interrupt_entry+0xb5/0xf0 [ 253.750402] ? trace_hardirqs_off_caller+0xbb/0x300 [ 253.755426] ? trace_hardirqs_off_caller+0xbb/0x300 [ 253.760449] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 253.765296] ? trace_hardirqs_off+0x300/0x300 [ 253.769804] ? trace_hardirqs_off+0x300/0x300 [ 253.774326] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 253.779880] ? check_preemption_disabled+0x48/0x200 [ 253.784902] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 253.790454] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 253.795312] apic_timer_interrupt+0xf/0x20 [ 253.799552] [ 253.801791] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 253.806746] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 253.825665] RSP: 0000:ffff88019f217748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 253.833397] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 253.840674] RDX: 0000000000000000 RSI: ffff88019f972d00 RDI: 0000000000000282 [ 253.847945] RBP: ffff88019f2177b0 R08: ffff88019f972480 R09: 0000000000000000 [ 253.855215] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 253.862484] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 253.869803] skb_clone+0x1bb/0x500 [ 253.873354] ? finish_task_switch+0x2f5/0x900 [ 253.877854] ? skb_split+0x11e0/0x11e0 [ 253.881743] ? preempt_notifier_register+0x200/0x200 [ 253.886848] ? __switch_to_asm+0x34/0x70 [ 253.890912] ? __switch_to_asm+0x34/0x70 [ 253.894973] ? __switch_to_asm+0x40/0x70 [ 253.899036] ? __switch_to_asm+0x34/0x70 [ 253.903105] ? __switch_to_asm+0x40/0x70 [ 253.907188] ? __switch_to_asm+0x34/0x70 [ 253.911249] ? __switch_to_asm+0x40/0x70 [ 253.915329] ? __switch_to_asm+0x34/0x70 [ 253.919392] ? __switch_to_asm+0x34/0x70 [ 253.923451] ? __switch_to_asm+0x40/0x70 [ 253.927515] ? __switch_to_asm+0x34/0x70 [ 253.931599] bpf_clone_redirect+0xb9/0x490 [ 253.935852] ? __schedule+0x874/0x1ed0 [ 253.939755] bpf_prog_a2323609a0d1adb1+0x624/0x1000 [ 253.944797] ? __sched_text_start+0x8/0x8 [ 253.949227] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 253.954017] ? find_held_lock+0x36/0x1c0 [ 253.958108] ? lock_acquire+0x1ed/0x520 [ 253.962096] ? bpf_test_run+0x32e/0x5a0 [ 253.966086] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 253.971630] ? check_preemption_disabled+0x48/0x200 [ 253.976749] ? kasan_check_read+0x11/0x20 [ 253.980904] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 253.986187] ? rcu_bh_qs+0xc0/0xc0 [ 253.989734] ? preempt_schedule+0x4d/0x60 [ 253.993883] ? ___preempt_schedule+0x16/0x18 [ 253.998306] ? bpf_test_run+0x1c0/0x5a0 [ 254.002312] ? netlink_diag_dump+0x2a0/0x2a0 [ 254.006734] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 254.012269] ? bpf_test_init.isra.9+0x70/0x100 [ 254.016857] ? bpf_prog_test_run_skb+0x634/0xb40 [ 254.021625] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 254.026471] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 254.032009] ? fput+0x130/0x1a0 [ 254.035301] ? __bpf_prog_get+0x9b/0x290 [ 254.041044] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 254.045901] ? bpf_prog_test_run+0x130/0x1a0 [ 254.050340] ? __x64_sys_bpf+0x3d8/0x510 [ 254.054403] ? bpf_prog_get+0x20/0x20 [ 254.058228] ? do_syscall_64+0x1b9/0x820 [ 254.062312] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 254.067732] ? syscall_return_slowpath+0x5e0/0x5e0 [ 254.072697] ? trace_hardirqs_off+0x300/0x300 [ 254.077216] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 254.082244] ? recalc_sigpending_tsk+0x180/0x180 [ 254.087014] ? kasan_check_write+0x14/0x20 [ 254.091262] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 254.096125] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 254.101867] CPU: 1 PID: 5351 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51 [ 254.102035] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 254.109076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 254.119548] syz-executor0 cpuset= [ 254.128904] Call Trace: [ 254.128915] syz0 [ 254.132362] [ 254.134935] mems_allowed=0 [ 254.136905] dump_stack+0x1c4/0x2b4 [ 254.145602] ? dump_stack_print_info.cold.2+0x52/0x52 [ 254.150834] warn_alloc.cold.118+0xb7/0x1bd [ 254.155182] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 254.160050] ? lock_downgrade+0x900/0x900 [ 254.164221] ? trace_hardirqs_off+0xb8/0x300 [ 254.168639] ? trace_hardirqs_off+0xb8/0x300 [ 254.173088] __alloc_pages_slowpath+0x2667/0x2d80 [ 254.177972] ? warn_alloc+0x120/0x120 [ 254.181788] ? warn_alloc+0x120/0x120 [ 254.185604] ? print_usage_bug+0xc0/0xc0 [ 254.189672] ? warn_alloc+0x120/0x120 [ 254.193480] ? print_usage_bug+0xc0/0xc0 [ 254.197544] ? __lock_acquire+0x7ec/0x4ec0 [ 254.201807] ? __lock_acquire+0x7ec/0x4ec0 [ 254.206081] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 254.211633] ? should_fail+0x22d/0xd01 [ 254.215526] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 254.220632] ? __lock_acquire+0x7ec/0x4ec0 [ 254.224880] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 254.229987] ? __lock_acquire+0x7ec/0x4ec0 [ 254.234241] ? should_fail+0x22d/0xd01 [ 254.238162] ? mark_held_locks+0x130/0x130 [ 254.242422] ? mark_held_locks+0x130/0x130 [ 254.246670] ? graph_lock+0x170/0x170 [ 254.250488] ? graph_lock+0x170/0x170 [ 254.254331] ? graph_lock+0x170/0x170 [ 254.258654] ? print_usage_bug+0xc0/0xc0 [ 254.262732] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.268300] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.273869] ? check_preemption_disabled+0x48/0x200 [ 254.278905] ? check_preemption_disabled+0x48/0x200 [ 254.283948] ? __lock_is_held+0xb5/0x140 [ 254.288032] __alloc_pages_nodemask+0xa80/0xde0 [ 254.292722] ? graph_lock+0x170/0x170 [ 254.296539] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 254.301564] ? graph_lock+0x170/0x170 [ 254.305389] ? find_held_lock+0x36/0x1c0 [ 254.309485] ? ____cache_alloc_node+0x1c7/0x1e0 [ 254.314173] ? lock_downgrade+0x900/0x900 [ 254.318347] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.323907] cache_grow_begin+0x91/0x8c0 [ 254.327985] ? do_raw_spin_unlock+0xa7/0x2f0 [ 254.332426] fallback_alloc+0x203/0x2e0 [ 254.336437] ____cache_alloc_node+0x1c7/0x1e0 [ 254.340966] kmem_cache_alloc_node+0xe3/0x730 [ 254.345485] ? ipv6_get_ifaddr+0x42e/0x620 [ 254.349754] __alloc_skb+0x119/0x770 [ 254.353485] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 254.358784] ? skb_scrub_packet+0x490/0x490 [ 254.363139] ? lock_downgrade+0x900/0x900 [ 254.367323] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.372883] ? refcount_sub_and_test_checked+0x203/0x310 [ 254.378362] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 254.383843] ? addrconf_rs_timer+0x6f0/0x6f0 [ 254.388295] ndisc_alloc_skb+0x144/0x340 [ 254.392397] ndisc_send_rs+0x331/0x6e0 [ 254.396314] addrconf_rs_timer+0x3c0/0x6f0 [ 254.400571] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.404841] call_timer_fn+0x272/0x920 [ 254.408740] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.412993] ? process_timeout+0x40/0x40 [ 254.417090] ? find_held_lock+0x36/0x1c0 [ 254.421186] ? __run_timers+0x7da/0xc70 [ 254.425179] ? _raw_spin_unlock_irq+0x27/0x80 [ 254.429702] ? _raw_spin_unlock_irq+0x27/0x80 [ 254.434209] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.438457] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 254.443063] ? trace_hardirqs_on+0xbd/0x310 [ 254.447407] ? kasan_check_read+0x11/0x20 [ 254.451573] ? __run_timers+0x7da/0xc70 [ 254.455558] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 254.461024] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.465280] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 254.469522] __run_timers+0x7e5/0xc70 [ 254.473351] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 254.478729] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 254.483759] ? graph_lock+0x170/0x170 [ 254.487571] ? enqueue_hrtimer+0x1a5/0x560 [ 254.491810] ? lock_release+0x970/0x970 [ 254.495850] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 254.501074] ? find_held_lock+0x36/0x1c0 [ 254.505158] ? pvclock_read_flags+0x160/0x160 [ 254.509663] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.515215] ? check_preemption_disabled+0x48/0x200 [ 254.520250] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 254.525799] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 254.531108] ? rcu_pm_notify+0xc0/0xc0 [ 254.535098] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.540657] ? check_preemption_disabled+0x48/0x200 [ 254.545691] run_timer_softirq+0x52/0xb0 [ 254.549758] ? rcu_read_lock_sched_held+0x108/0x120 [ 254.554788] __do_softirq+0x30b/0xad8 [ 254.558687] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 254.563806] ? pvclock_read_flags+0x160/0x160 [ 254.568311] ? lapic_next_event+0x5a/0x90 [ 254.572462] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.578010] ? check_preemption_disabled+0x48/0x200 [ 254.583069] ? check_preemption_disabled+0x48/0x200 [ 254.588110] ? kvm_clock_read+0x18/0x30 [ 254.592094] ? kvm_sched_clock_read+0x9/0x20 [ 254.596514] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.602082] ? check_preemption_disabled+0x48/0x200 [ 254.607137] irq_exit+0x17f/0x1c0 [ 254.610617] smp_apic_timer_interrupt+0x1cb/0x760 [ 254.615472] ? smp_reschedule_interrupt+0x109/0x650 [ 254.620499] ? smp_call_function_single_interrupt+0x650/0x650 [ 254.626403] ? interrupt_entry+0xb5/0xf0 [ 254.630572] ? trace_hardirqs_off_caller+0xbb/0x300 [ 254.635606] ? trace_hardirqs_off_caller+0xbb/0x300 [ 254.640667] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 254.645537] ? trace_hardirqs_off+0x300/0x300 [ 254.650036] ? trace_hardirqs_off+0x300/0x300 [ 254.654544] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.660107] ? check_preemption_disabled+0x48/0x200 [ 254.665133] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.670701] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 254.675562] apic_timer_interrupt+0xf/0x20 [ 254.679792] [ 254.682041] RIP: 0010:_raw_write_unlock_irq+0x56/0x80 [ 254.687255] Code: 52 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d ab aa 92 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 f0 ec 95 f9 65 8b 05 a9 6e 42 78 85 c0 74 05 5b [ 254.706174] RSP: 0018:ffff8801d8cf7350 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 254.713904] RAX: dffffc0000000000 RBX: ffffffff894090c0 RCX: 0000000000000000 [ 254.721191] RDX: 1ffffffff12a4537 RSI: 0000000000000001 RDI: ffffffff895229b8 [ 254.728474] RBP: ffff8801d8cf7358 R08: ffff8801c24ca580 R09: 0000000000000000 [ 254.735753] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d70737c0 [ 254.743037] R13: ffff8801d8cf7490 R14: 0000000000000000 R15: ffff8801c24cab00 [ 254.750372] do_exit+0x11ef/0x2610 [ 254.753926] ? mem_cgroup_commit_charge+0x275/0x9d0 [ 254.758982] ? mm_update_next_owner+0x990/0x990 [ 254.763680] ? print_usage_bug+0xc0/0xc0 [ 254.767751] ? graph_lock+0x170/0x170 [ 254.771567] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.777133] ? check_preemption_disabled+0x48/0x200 [ 254.782192] ? check_preemption_disabled+0x48/0x200 [ 254.787227] ? print_usage_bug+0xc0/0xc0 [ 254.791671] ? __lock_acquire+0x7ec/0x4ec0 [ 254.795919] ? __lock_acquire+0x7ec/0x4ec0 [ 254.800182] ? mark_held_locks+0x130/0x130 [ 254.804448] ? mark_held_locks+0x130/0x130 [ 254.808700] ? finish_task_switch+0x1b5/0x900 [ 254.813216] ? __switch_to_asm+0x34/0x70 [ 254.817304] ? __switch_to_asm+0x34/0x70 [ 254.821391] ? __switch_to_asm+0x34/0x70 [ 254.825469] ? __switch_to_asm+0x40/0x70 [ 254.829552] ? __switch_to_asm+0x34/0x70 [ 254.833663] ? __switch_to_asm+0x40/0x70 [ 254.837746] ? __switch_to_asm+0x34/0x70 [ 254.841833] ? __switch_to_asm+0x34/0x70 [ 254.845903] ? __switch_to_asm+0x34/0x70 [ 254.849973] ? __switch_to_asm+0x34/0x70 [ 254.854043] ? __switch_to_asm+0x40/0x70 [ 254.858120] ? __switch_to_asm+0x34/0x70 [ 254.862197] ? __switch_to_asm+0x40/0x70 [ 254.866278] ? graph_lock+0x170/0x170 [ 254.870101] ? graph_lock+0x170/0x170 [ 254.873912] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 254.879461] ? wait_consider_task+0x245/0x3bb0 [ 254.884061] ? memset+0x31/0x40 [ 254.887360] ? find_held_lock+0x36/0x1c0 [ 254.891445] ? get_signal+0x95b/0x1980 [ 254.895340] ? _raw_spin_unlock_irq+0x27/0x80 [ 254.899848] ? _raw_spin_unlock_irq+0x27/0x80 [ 254.904359] do_group_exit+0x177/0x440 [ 254.908258] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 254.913717] ? __ia32_sys_exit+0x50/0x50 [ 254.917809] get_signal+0x8b0/0x1980 [ 254.921660] ? ptrace_notify+0x130/0x130 [ 254.925748] ? do_wait+0x57d/0xb90 [ 254.929298] ? wait_consider_task+0x3bb0/0x3bb0 [ 254.933976] ? graph_lock+0x170/0x170 [ 254.937794] ? graph_lock+0x170/0x170 [ 254.941621] ? graph_lock+0x170/0x170 [ 254.945457] do_signal+0x9c/0x21e0 [ 254.949015] ? find_held_lock+0x36/0x1c0 [ 254.953112] ? setup_sigcontext+0x7d0/0x7d0 [ 254.957443] ? kernel_wait4+0x2e0/0x3f0 [ 254.961427] ? __ia32_sys_waitid+0x140/0x140 [ 254.965856] ? task_stopped_code+0x190/0x190 [ 254.970293] ? exit_to_usermode_loop+0x8c/0x380 [ 254.975009] ? __do_page_fault+0x4a6/0xed0 [ 254.979270] ? do_syscall_64+0x9a/0x820 [ 254.983258] ? do_syscall_64+0x9a/0x820 [ 254.987247] exit_to_usermode_loop+0x2e5/0x380 [ 254.991848] ? syscall_slow_exit_work+0x520/0x520 [ 254.996717] do_syscall_64+0x6be/0x820 [ 255.000618] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 255.006007] ? syscall_return_slowpath+0x5e0/0x5e0 [ 255.010945] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 255.015805] ? trace_hardirqs_off+0x300/0x300 [ 255.020326] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 255.025375] ? prepare_exit_to_usermode+0x291/0x3b0 [ 255.030431] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 255.035307] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 255.040509] RIP: 0033:0x410e7a [ 255.043709] Code: Bad RIP value. [ 255.047082] RSP: 002b:00007ffdfa797988 EFLAGS: 00000246 ORIG_RAX: 000000000000003d [ 255.054826] RAX: fffffffffffffe00 RBX: 00000000000014f2 RCX: 0000000000410e7a [ 255.062115] RDX: 0000000040000000 RSI: 00007ffdfa797994 RDI: ffffffffffffffff [ 255.069401] RBP: 0000000000930b28 R08: 00000000000014e7 R09: 00000000024eb940 [ 255.076680] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010 [ 255.083956] R13: 0000000000412a80 R14: 0000000000000000 R15: 0000000000000000 [ 255.091266] warn_alloc_show_mem: 1 callbacks suppressed [ 255.091279] CPU: 0 PID: 9562 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51 [ 255.091281] Mem-Info: [ 255.091311] active_anon:43308 inactive_anon:372 isolated_anon:0 [ 255.091311] active_file:9 inactive_file:26 isolated_file:0 [ 255.091311] unevictable:0 dirty:0 writeback:0 unstable:0 [ 255.091311] slab_reclaimable:8855 slab_unreclaimable:1462387 [ 255.091311] mapped:57522 shmem:379 pagetables:727 bounce:0 [ 255.091311] free:13711 free_pcp:202 free_cma:0 [ 255.096662] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 255.096671] Call Trace: [ 255.103874] Node 0 active_anon:173232kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 255.106275] [ 255.139352] Node 0 [ 255.148731] dump_stack+0x1c4/0x2b4 [ 255.151324] 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 [ 255.179085] ? dump_stack_print_info.cold.2+0x52/0x52 [ 255.181215] lowmem_reserve[]: [ 255.183460] warn_alloc.cold.118+0xb7/0x1bd [ 255.187050] 0 [ 255.212573] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 255.217741] 2817 [ 255.220843] ? lock_downgrade+0x900/0x900 [ 255.225133] 6321 6321 [ 255.226942] ? trace_hardirqs_off+0xb8/0x300 [ 255.231754] Node 0 [ 255.233815] ? trace_hardirqs_off+0xb8/0x300 [ 255.237962] DMA32 free:24940kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 255.240439] __alloc_pages_slowpath+0x2667/0x2d80 [ 255.244809] lowmem_reserve[]: 0 [ 255.247084] ? warn_alloc+0x120/0x120 [ 255.251437] 0 3503 [ 255.278260] ? warn_alloc+0x120/0x120 [ 255.283082] 3503 [ 255.286357] ? print_usage_bug+0xc0/0xc0 [ 255.290139] Node 0 [ 255.292370] ? warn_alloc+0x120/0x120 [ 255.296264] Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:169136kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5568kB pagetables:2908kB bounce:0kB free_pcp:808kB local_pcp:692kB free_cma:0kB [ 255.298328] ? print_usage_bug+0xc0/0xc0 [ 255.302353] lowmem_reserve[]: 0 [ 255.304689] ? warn_alloc+0x120/0x120 [ 255.308468] 0 [ 255.336941] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 255.340976] 0 0 [ 255.344270] ? should_fail+0x22d/0xd01 [ 255.348047] Node 0 [ 255.349854] ? __lock_acquire+0x7ec/0x4ec0 [ 255.355372] DMA: [ 255.357361] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 255.361224] 1*4kB [ 255.363460] ? __lock_acquire+0x7ec/0x4ec0 [ 255.367773] (U) [ 255.369869] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 255.374934] 0*8kB [ 255.377111] ? __lock_acquire+0x7ec/0x4ec0 [ 255.381335] 0*16kB 1*32kB [ 255.383348] ? should_fail+0x22d/0xd01 [ 255.388441] (U) [ 255.390616] ? mark_held_locks+0x130/0x130 [ 255.394820] 2*64kB [ 255.397673] ? mark_held_locks+0x130/0x130 [ 255.401549] (U) [ 255.403541] ? mark_held_locks+0x130/0x130 [ 255.407741] 1*128kB (U) [ 255.409994] ? graph_lock+0x170/0x170 [ 255.414209] 1*256kB (U) [ 255.416201] ? print_usage_bug+0xc0/0xc0 [ 255.420413] 0*512kB 1*1024kB [ 255.423101] ? mark_held_locks+0x130/0x130 [ 255.426962] (U) [ 255.429635] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.433676] 1*2048kB [ 255.436789] ? check_preemption_disabled+0x48/0x200 [ 255.441009] (M) [ 255.443004] ? check_preemption_disabled+0x48/0x200 [ 255.448518] 3*4096kB (M) [ 255.450986] ? __lock_is_held+0xb5/0x140 [ 255.455970] = 15908kB [ 255.455980] Node 0 [ 255.457969] __alloc_pages_nodemask+0xa80/0xde0 [ 255.462962] DMA32: [ 255.465727] ? graph_lock+0x170/0x170 [ 255.469767] 3*4kB [ 255.472185] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 255.474388] (UM) [ 255.479071] ? graph_lock+0x170/0x170 [ 255.481283] 2*8kB (U) [ 255.485121] ? find_held_lock+0x36/0x1c0 [ 255.487249] 5*16kB (UM) [ 255.492295] ? ____cache_alloc_node+0x1c7/0x1e0 [ 255.494337] 2*32kB [ 255.498148] ? lock_downgrade+0x900/0x900 [ 255.500633] (UM) [ 255.504707] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.507356] 3*64kB [ 255.512037] cache_grow_begin+0x91/0x8c0 [ 255.514249] (UM) [ 255.518426] ? do_raw_spin_unlock+0xa7/0x2f0 [ 255.520466] 4*128kB (UM) [ 255.526030] fallback_alloc+0x203/0x2e0 [ 255.528252] 2*256kB [ 255.532329] ____cache_alloc_node+0x1c7/0x1e0 [ 255.534363] (M) [ 255.538788] kmem_cache_alloc_node+0xe3/0x730 [ 255.541526] 4*512kB (UM) [ 255.545536] ? ipv6_get_ifaddr+0x42e/0x620 [ 255.547851] 3*1024kB [ 255.552372] __alloc_skb+0x119/0x770 [ 255.554325] (M) 1*2048kB [ 255.558861] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 255.561717] (U) [ 255.565963] ? skb_scrub_packet+0x490/0x490 [ 255.568354] 4*4096kB [ 255.572080] ? lock_downgrade+0x900/0x900 [ 255.574823] (M) [ 255.580119] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.582086] = 24940kB [ 255.586414] ? refcount_sub_and_test_checked+0x203/0x310 [ 255.588807] Node 0 [ 255.592968] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 255.594979] Normal: [ 255.600528] ? addrconf_rs_timer+0x6f0/0x6f0 [ 255.602948] 667*4kB [ 255.608414] ndisc_alloc_skb+0x144/0x340 [ 255.610619] (UMEH) [ 255.616093] ndisc_send_rs+0x331/0x6e0 [ 255.618419] 358*8kB [ 255.622848] addrconf_rs_timer+0x3c0/0x6f0 [ 255.625147] (UMEH) [ 255.629227] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 255.631440] 191*16kB [ 255.635345] call_timer_fn+0x272/0x920 [ 255.637632] (UMEH) [ 255.641897] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 255.644111] 81*32kB [ 255.648357] ? process_timeout+0x40/0x40 [ 255.650736] (UMEH) 30*64kB [ 255.654639] ? find_held_lock+0x36/0x1c0 [ 255.656877] (UMH) [ 255.661125] ? __run_timers+0x7da/0xc70 [ 255.663421] 1*128kB (M) [ 255.667508] ? _raw_spin_unlock_irq+0x27/0x80 [ 255.670416] 3*256kB (UH) [ 255.674501] ? _raw_spin_unlock_irq+0x27/0x80 [ 255.676627] 0*512kB [ 255.680612] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 255.680630] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 255.683299] 0*1024kB [ 255.687811] ? trace_hardirqs_on+0xbd/0x310 [ 255.690556] 0*2048kB [ 255.695069] ? kasan_check_read+0x11/0x20 [ 255.697363] 0*4096kB = 13996kB [ 255.701629] ? __run_timers+0x7da/0xc70 [ 255.706197] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 255.708601] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 255.712920] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 255.715359] ? tcp_compressed_ack_kick+0x220/0x220 [ 255.719482] 414 total pagecache pages [ 255.722683] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 255.726634] 0 pages in swap cache [ 255.735503] __run_timers+0x7e5/0xc70 [ 255.740933] Swap cache stats: add 0, delete 0, find 0/0 [ 255.740944] Free swap = 0kB [ 255.749542] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 255.754441] Total swap = 0kB [ 255.754451] 1965979 pages RAM [ 255.758265] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 255.762485] 0 pages HighMem/MovableOnly [ 255.762495] 342744 pages reserved [ 255.765959] ? graph_lock+0x170/0x170 [ 255.769741] 0 pages cma reserved [ 255.775109] ? enqueue_hrtimer+0x1a5/0x560 [ 255.778169] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 255.783460] ? lock_release+0x970/0x970 [ 255.783483] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 255.786541] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 255.789587] ? find_held_lock+0x36/0x1c0 [ 255.794665] syz-executor1 cpuset= [ 255.798646] ? graph_lock+0x170/0x170 [ 255.802079] / [ 255.805881] ? pvclock_read_flags+0x160/0x160 [ 255.809231] mems_allowed=0 [ 255.813474] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.865812] ? check_preemption_disabled+0x48/0x200 [ 255.870866] ? __lock_is_held+0xb5/0x140 [ 255.874944] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.880494] ? check_preemption_disabled+0x48/0x200 [ 255.885529] run_timer_softirq+0x52/0xb0 [ 255.889625] ? rcu_read_lock_sched_held+0x108/0x120 [ 255.894661] __do_softirq+0x30b/0xad8 [ 255.898478] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 255.903600] ? pvclock_read_flags+0x160/0x160 [ 255.908115] ? lapic_next_event+0x5a/0x90 [ 255.912282] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.917853] ? check_preemption_disabled+0x48/0x200 [ 255.922899] ? check_preemption_disabled+0x48/0x200 [ 255.927958] ? kvm_clock_read+0x18/0x30 [ 255.931963] ? kvm_sched_clock_read+0x9/0x20 [ 255.936511] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 255.942084] ? check_preemption_disabled+0x48/0x200 [ 255.947135] irq_exit+0x17f/0x1c0 [ 255.950608] smp_apic_timer_interrupt+0x1cb/0x760 [ 255.955476] ? smp_reschedule_interrupt+0x109/0x650 [ 255.960524] ? smp_call_function_single_interrupt+0x650/0x650 [ 255.966434] ? interrupt_entry+0xb5/0xf0 [ 255.970513] ? trace_hardirqs_off_caller+0xbb/0x300 [ 255.975548] ? trace_hardirqs_off_caller+0xbb/0x300 [ 255.980588] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 255.985445] ? trace_hardirqs_off+0x300/0x300 [ 255.989950] ? trace_hardirqs_off+0x300/0x300 [ 255.994462] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 256.000018] ? check_preemption_disabled+0x48/0x200 [ 256.005051] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 256.010626] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 256.015494] apic_timer_interrupt+0xf/0x20 [ 256.019730] [ 256.022011] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 256.026955] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 256.045873] RSP: 0000:ffff88019f217748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 256.053606] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 256.060891] RDX: 0000000000000000 RSI: ffff88019f972d00 RDI: 0000000000000282 [ 256.068179] RBP: ffff88019f2177b0 R08: ffff88019f972480 R09: 0000000000000000 [ 256.075464] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 256.082758] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 256.090105] skb_clone+0x1bb/0x500 [ 256.093667] ? finish_task_switch+0x2f5/0x900 [ 256.098189] ? skb_split+0x11e0/0x11e0 [ 256.102115] ? preempt_notifier_register+0x200/0x200 [ 256.107248] ? __switch_to_asm+0x34/0x70 [ 256.111353] ? __switch_to_asm+0x34/0x70 [ 256.115435] ? __switch_to_asm+0x40/0x70 [ 256.119512] ? __switch_to_asm+0x34/0x70 [ 256.123587] ? __switch_to_asm+0x40/0x70 [ 256.127661] ? __switch_to_asm+0x34/0x70 [ 256.131734] ? __switch_to_asm+0x40/0x70 [ 256.135804] ? __switch_to_asm+0x34/0x70 [ 256.139883] ? __switch_to_asm+0x34/0x70 [ 256.143983] ? __switch_to_asm+0x40/0x70 [ 256.148066] ? __switch_to_asm+0x34/0x70 [ 256.152155] bpf_clone_redirect+0xb9/0x490 [ 256.156409] ? __schedule+0x874/0x1ed0 [ 256.160312] bpf_prog_a2323609a0d1adb1+0x624/0x1000 [ 256.165361] ? __sched_text_start+0x8/0x8 [ 256.169524] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 256.174310] ? find_held_lock+0x36/0x1c0 [ 256.178403] ? lock_acquire+0x1ed/0x520 [ 256.182393] ? bpf_test_run+0x32e/0x5a0 [ 256.186388] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.191952] ? check_preemption_disabled+0x48/0x200 [ 256.196996] ? kasan_check_read+0x11/0x20 [ 256.201168] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 256.206469] ? rcu_bh_qs+0xc0/0xc0 [ 256.210028] ? preempt_schedule+0x4d/0x60 [ 256.214204] ? ___preempt_schedule+0x16/0x18 [ 256.218643] ? bpf_test_run+0x1c0/0x5a0 [ 256.222645] ? netlink_diag_dump+0x2a0/0x2a0 [ 256.227081] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 256.232644] ? bpf_test_init.isra.9+0x70/0x100 [ 256.237256] ? bpf_prog_test_run_skb+0x634/0xb40 [ 256.242067] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 256.246929] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 256.252482] ? fput+0x130/0x1a0 [ 256.255783] ? __bpf_prog_get+0x9b/0x290 [ 256.260199] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 256.265098] ? bpf_prog_test_run+0x130/0x1a0 [ 256.269533] ? __x64_sys_bpf+0x3d8/0x510 [ 256.273612] ? bpf_prog_get+0x20/0x20 [ 256.277443] ? do_syscall_64+0x1b9/0x820 [ 256.281511] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 256.286892] ? syscall_return_slowpath+0x5e0/0x5e0 [ 256.291837] ? trace_hardirqs_off+0x300/0x300 [ 256.296353] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 256.301378] ? recalc_sigpending_tsk+0x180/0x180 [ 256.306151] ? kasan_check_write+0x14/0x20 [ 256.310407] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 256.315281] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 256.320682] CPU: 1 PID: 5351 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51 [ 256.320752] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 256.327886] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 256.327891] Call Trace: [ 256.327898] [ 256.327916] dump_stack+0x1c4/0x2b4 [ 256.327935] ? dump_stack_print_info.cold.2+0x52/0x52 [ 256.334477] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 256.343795] warn_alloc.cold.118+0xb7/0x1bd [ 256.346362] syz-executor0 cpuset= [ 256.348527] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 256.352136] syz0 [ 256.357351] ? lock_downgrade+0x900/0x900 [ 256.367838] mems_allowed=0 [ 256.372176] ? trace_hardirqs_off+0xb8/0x300 [ 256.393904] ? trace_hardirqs_off+0xb8/0x300 [ 256.398341] __alloc_pages_slowpath+0x2667/0x2d80 [ 256.403239] ? warn_alloc+0x120/0x120 [ 256.407053] ? warn_alloc+0x120/0x120 [ 256.410869] ? print_usage_bug+0xc0/0xc0 [ 256.414934] ? warn_alloc+0x120/0x120 [ 256.418743] ? print_usage_bug+0xc0/0xc0 [ 256.422823] ? __lock_acquire+0x7ec/0x4ec0 [ 256.427073] ? __lock_acquire+0x7ec/0x4ec0 [ 256.431321] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 256.436878] ? should_fail+0x22d/0xd01 [ 256.440788] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 256.445914] ? __lock_acquire+0x7ec/0x4ec0 [ 256.450174] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 256.455289] ? __lock_acquire+0x7ec/0x4ec0 [ 256.459537] ? should_fail+0x22d/0xd01 [ 256.463449] ? mark_held_locks+0x130/0x130 [ 256.467703] ? mark_held_locks+0x130/0x130 [ 256.471951] ? graph_lock+0x170/0x170 [ 256.475762] ? graph_lock+0x170/0x170 [ 256.479578] ? graph_lock+0x170/0x170 [ 256.483394] ? print_usage_bug+0xc0/0xc0 [ 256.487472] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.493031] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.498600] ? check_preemption_disabled+0x48/0x200 [ 256.503629] ? check_preemption_disabled+0x48/0x200 [ 256.508693] ? __lock_is_held+0xb5/0x140 [ 256.512779] __alloc_pages_nodemask+0xa80/0xde0 [ 256.517463] ? graph_lock+0x170/0x170 [ 256.521282] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 256.526308] ? graph_lock+0x170/0x170 [ 256.530136] ? find_held_lock+0x36/0x1c0 [ 256.534223] ? ____cache_alloc_node+0x1c7/0x1e0 [ 256.538907] ? lock_downgrade+0x900/0x900 [ 256.543080] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.548633] cache_grow_begin+0x91/0x8c0 [ 256.552702] ? do_raw_spin_unlock+0xa7/0x2f0 [ 256.557133] fallback_alloc+0x203/0x2e0 [ 256.561130] ____cache_alloc_node+0x1c7/0x1e0 [ 256.565650] kmem_cache_alloc_node+0xe3/0x730 [ 256.570187] ? ipv6_get_ifaddr+0x42e/0x620 [ 256.574455] __alloc_skb+0x119/0x770 [ 256.578219] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 256.583520] ? skb_scrub_packet+0x490/0x490 [ 256.587861] ? lock_downgrade+0x900/0x900 [ 256.592022] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.597583] ? refcount_sub_and_test_checked+0x203/0x310 [ 256.603068] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 256.608540] ? addrconf_rs_timer+0x6f0/0x6f0 [ 256.612977] ndisc_alloc_skb+0x144/0x340 [ 256.617068] ndisc_send_rs+0x331/0x6e0 [ 256.620982] addrconf_rs_timer+0x3c0/0x6f0 [ 256.625240] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 256.629505] call_timer_fn+0x272/0x920 [ 256.633408] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 256.637660] ? process_timeout+0x40/0x40 [ 256.641729] ? find_held_lock+0x36/0x1c0 [ 256.645824] ? __run_timers+0x7da/0xc70 [ 256.649822] ? _raw_spin_unlock_irq+0x27/0x80 [ 256.654334] ? _raw_spin_unlock_irq+0x27/0x80 [ 256.658867] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 256.663116] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 256.667714] ? trace_hardirqs_on+0xbd/0x310 [ 256.672046] ? kasan_check_read+0x11/0x20 [ 256.676234] ? __run_timers+0x7da/0xc70 [ 256.680236] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 256.685734] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 256.690001] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 256.694261] __run_timers+0x7e5/0xc70 [ 256.698106] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 256.703492] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 256.708521] ? graph_lock+0x170/0x170 [ 256.712339] ? enqueue_hrtimer+0x1a5/0x560 [ 256.716590] ? lock_release+0x970/0x970 [ 256.720584] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 256.725814] ? find_held_lock+0x36/0x1c0 [ 256.729906] ? pvclock_read_flags+0x160/0x160 [ 256.734422] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.739988] ? check_preemption_disabled+0x48/0x200 [ 256.745043] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 256.750614] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 256.755927] ? rcu_pm_notify+0xc0/0xc0 [ 256.759854] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.765422] ? check_preemption_disabled+0x48/0x200 [ 256.770477] run_timer_softirq+0x52/0xb0 [ 256.774566] ? rcu_read_lock_sched_held+0x108/0x120 [ 256.779619] __do_softirq+0x30b/0xad8 [ 256.783466] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 256.788608] ? pvclock_read_flags+0x160/0x160 [ 256.793135] ? lapic_next_event+0x5a/0x90 [ 256.797315] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.802888] ? check_preemption_disabled+0x48/0x200 [ 256.807932] ? check_preemption_disabled+0x48/0x200 [ 256.812988] ? kvm_clock_read+0x18/0x30 [ 256.817000] ? kvm_sched_clock_read+0x9/0x20 [ 256.821440] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.827010] ? check_preemption_disabled+0x48/0x200 [ 256.832081] irq_exit+0x17f/0x1c0 [ 256.835568] smp_apic_timer_interrupt+0x1cb/0x760 [ 256.840442] ? smp_reschedule_interrupt+0x109/0x650 [ 256.845500] ? smp_call_function_single_interrupt+0x650/0x650 [ 256.851422] ? interrupt_entry+0xb5/0xf0 [ 256.855536] ? trace_hardirqs_off_caller+0xbb/0x300 [ 256.860576] ? trace_hardirqs_off_caller+0xbb/0x300 [ 256.865645] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 256.870524] ? trace_hardirqs_off+0x300/0x300 [ 256.875050] ? trace_hardirqs_off+0x300/0x300 [ 256.879596] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.885172] ? check_preemption_disabled+0x48/0x200 [ 256.890223] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.895799] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 256.900675] apic_timer_interrupt+0xf/0x20 [ 256.904910] [ 256.907166] RIP: 0010:_raw_write_unlock_irq+0x56/0x80 [ 256.912366] Code: 52 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d ab aa 92 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 f0 ec 95 f9 65 8b 05 a9 6e 42 78 85 c0 74 05 5b [ 256.931300] RSP: 0018:ffff8801d8cf7350 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 256.939026] RAX: dffffc0000000000 RBX: ffffffff894090c0 RCX: 0000000000000000 [ 256.946322] RDX: 1ffffffff12a4537 RSI: 0000000000000001 RDI: ffffffff895229b8 [ 256.953611] RBP: ffff8801d8cf7358 R08: ffff8801c24ca580 R09: 0000000000000000 [ 256.960879] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d70737c0 [ 256.968150] R13: ffff8801d8cf7490 R14: 0000000000000000 R15: ffff8801c24cab00 [ 256.975456] do_exit+0x11ef/0x2610 [ 256.979001] ? mem_cgroup_commit_charge+0x275/0x9d0 [ 256.984027] ? mm_update_next_owner+0x990/0x990 [ 256.988706] ? print_usage_bug+0xc0/0xc0 [ 256.992765] ? graph_lock+0x170/0x170 [ 256.996571] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.002132] ? check_preemption_disabled+0x48/0x200 [ 257.007154] ? check_preemption_disabled+0x48/0x200 [ 257.012192] ? print_usage_bug+0xc0/0xc0 [ 257.016258] ? __lock_acquire+0x7ec/0x4ec0 [ 257.020499] ? __lock_acquire+0x7ec/0x4ec0 [ 257.024757] ? mark_held_locks+0x130/0x130 [ 257.029002] ? mark_held_locks+0x130/0x130 [ 257.033241] ? finish_task_switch+0x1b5/0x900 [ 257.037743] ? __switch_to_asm+0x34/0x70 [ 257.041810] ? __switch_to_asm+0x34/0x70 [ 257.045881] ? __switch_to_asm+0x34/0x70 [ 257.049944] ? __switch_to_asm+0x40/0x70 [ 257.054005] ? __switch_to_asm+0x34/0x70 [ 257.058071] ? __switch_to_asm+0x40/0x70 [ 257.062133] ? __switch_to_asm+0x34/0x70 [ 257.066196] ? __switch_to_asm+0x34/0x70 [ 257.070258] ? __switch_to_asm+0x34/0x70 [ 257.074318] ? __switch_to_asm+0x34/0x70 [ 257.078382] ? __switch_to_asm+0x40/0x70 [ 257.082449] ? __switch_to_asm+0x34/0x70 [ 257.086518] ? __switch_to_asm+0x40/0x70 [ 257.090598] ? graph_lock+0x170/0x170 [ 257.094412] ? graph_lock+0x170/0x170 [ 257.098239] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.103788] ? wait_consider_task+0x245/0x3bb0 [ 257.108389] ? memset+0x31/0x40 [ 257.111680] ? find_held_lock+0x36/0x1c0 [ 257.115752] ? get_signal+0x95b/0x1980 [ 257.119676] ? _raw_spin_unlock_irq+0x27/0x80 [ 257.124176] ? _raw_spin_unlock_irq+0x27/0x80 [ 257.129042] do_group_exit+0x177/0x440 [ 257.132946] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 257.138405] ? __ia32_sys_exit+0x50/0x50 [ 257.142482] get_signal+0x8b0/0x1980 [ 257.146233] ? ptrace_notify+0x130/0x130 [ 257.150300] ? do_wait+0x57d/0xb90 [ 257.153868] ? wait_consider_task+0x3bb0/0x3bb0 [ 257.158543] ? graph_lock+0x170/0x170 [ 257.162348] ? graph_lock+0x170/0x170 [ 257.166154] ? graph_lock+0x170/0x170 [ 257.169980] do_signal+0x9c/0x21e0 [ 257.173525] ? find_held_lock+0x36/0x1c0 [ 257.177618] ? setup_sigcontext+0x7d0/0x7d0 [ 257.181947] ? kernel_wait4+0x2e0/0x3f0 [ 257.185938] ? __ia32_sys_waitid+0x140/0x140 [ 257.190375] ? task_stopped_code+0x190/0x190 [ 257.194793] ? exit_to_usermode_loop+0x8c/0x380 [ 257.199505] ? __do_page_fault+0x4a6/0xed0 [ 257.203748] ? do_syscall_64+0x9a/0x820 [ 257.207732] ? do_syscall_64+0x9a/0x820 [ 257.211722] exit_to_usermode_loop+0x2e5/0x380 [ 257.216322] ? syscall_slow_exit_work+0x520/0x520 [ 257.221204] do_syscall_64+0x6be/0x820 [ 257.225111] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 257.230502] ? syscall_return_slowpath+0x5e0/0x5e0 [ 257.235449] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 257.240337] ? trace_hardirqs_off+0x300/0x300 [ 257.244857] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 257.249913] ? prepare_exit_to_usermode+0x291/0x3b0 [ 257.254951] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 257.259815] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 257.265014] RIP: 0033:0x410e7a [ 257.268214] Code: Bad RIP value. [ 257.271578] RSP: 002b:00007ffdfa797988 EFLAGS: 00000246 ORIG_RAX: 000000000000003d [ 257.279298] RAX: fffffffffffffe00 RBX: 00000000000014f2 RCX: 0000000000410e7a [ 257.286575] RDX: 0000000040000000 RSI: 00007ffdfa797994 RDI: ffffffffffffffff [ 257.293851] RBP: 0000000000930b28 R08: 00000000000014e7 R09: 00000000024eb940 [ 257.301130] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010 [ 257.308408] R13: 0000000000412a80 R14: 0000000000000000 R15: 0000000000000000 [ 257.315709] warn_alloc_show_mem: 1 callbacks suppressed [ 257.315721] CPU: 0 PID: 9562 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51 [ 257.315723] Mem-Info: [ 257.315753] active_anon:43308 inactive_anon:372 isolated_anon:0 [ 257.315753] active_file:9 inactive_file:26 isolated_file:0 [ 257.315753] unevictable:0 dirty:0 writeback:0 unstable:0 [ 257.315753] slab_reclaimable:8855 slab_unreclaimable:1462387 [ 257.315753] mapped:57522 shmem:379 pagetables:727 bounce:0 [ 257.315753] free:13711 free_pcp:202 free_cma:0 [ 257.321095] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 257.321104] Call Trace: [ 257.328307] Node 0 active_anon:173232kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 257.330710] [ 257.363500] Node 0 [ 257.372869] dump_stack+0x1c4/0x2b4 [ 257.375448] 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 [ 257.403192] ? dump_stack_print_info.cold.2+0x52/0x52 [ 257.405325] lowmem_reserve[]: [ 257.407567] warn_alloc.cold.118+0xb7/0x1bd [ 257.411160] 0 [ 257.436669] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 257.441840] 2817 [ 257.444940] ? lock_downgrade+0x900/0x900 [ 257.449234] 6321 [ 257.451039] ? trace_hardirqs_off+0xb8/0x300 [ 257.455852] 6321 [ 257.457915] ? trace_hardirqs_off+0xb8/0x300 [ 257.464106] __alloc_pages_slowpath+0x2667/0x2d80 [ 257.468482] Node 0 [ 257.470562] ? warn_alloc+0x120/0x120 [ 257.474945] DMA32 free:24940kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 257.479759] ? warn_alloc+0x120/0x120 [ 257.481974] lowmem_reserve[]: [ 257.485774] ? print_usage_bug+0xc0/0xc0 [ 257.512645] 0 [ 257.516445] ? warn_alloc+0x120/0x120 [ 257.519522] 0 [ 257.523576] ? print_usage_bug+0xc0/0xc0 [ 257.525354] 3503 [ 257.529148] ? __lock_acquire+0x7ec/0x4ec0 [ 257.530925] 3503 [ 257.534981] ? __lock_acquire+0x7ec/0x4ec0 [ 257.537021] Node 0 [ 257.541251] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 257.543312] Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:169136kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5568kB pagetables:2908kB bounce:0kB free_pcp:808kB local_pcp:692kB free_cma:0kB [ 257.547517] ? should_fail+0x22d/0xd01 [ 257.549727] lowmem_reserve[]: [ 257.555261] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 257.583714] 0 [ 257.587606] ? __lock_acquire+0x7ec/0x4ec0 [ 257.590704] 0 [ 257.595810] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 257.597590] 0 [ 257.601823] ? __lock_acquire+0x7ec/0x4ec0 [ 257.603603] 0 [ 257.608704] ? should_fail+0x22d/0xd01 [ 257.614724] ? mark_held_locks+0x130/0x130 [ 257.616500] Node 0 [ 257.620383] ? mark_held_locks+0x130/0x130 [ 257.624594] DMA: [ 257.626828] ? graph_lock+0x170/0x170 [ 257.631051] 1*4kB [ 257.633125] ? graph_lock+0x170/0x170 [ 257.636898] (U) [ 257.639042] ? graph_lock+0x170/0x170 [ 257.642827] 0*8kB [ 257.644798] ? print_usage_bug+0xc0/0xc0 [ 257.648576] 0*16kB [ 257.650724] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.654752] 1*32kB (U) [ 257.657180] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.662694] 2*64kB (U) [ 257.665293] ? check_preemption_disabled+0x48/0x200 [ 257.670883] 1*128kB (U) [ 257.673483] ? check_preemption_disabled+0x48/0x200 [ 257.678474] 1*256kB [ 257.681155] ? __lock_is_held+0xb5/0x140 [ 257.686146] (U) [ 257.688491] __alloc_pages_nodemask+0xa80/0xde0 [ 257.692522] 0*512kB [ 257.694504] ? graph_lock+0x170/0x170 [ 257.699147] 1*1024kB [ 257.701467] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 257.705246] (U) [ 257.707653] ? graph_lock+0x170/0x170 [ 257.712646] 1*2048kB [ 257.714643] ? find_held_lock+0x36/0x1c0 [ 257.718410] (M) [ 257.720824] ? ____cache_alloc_node+0x1c7/0x1e0 [ 257.724857] 3*4096kB [ 257.726829] ? lock_downgrade+0x900/0x900 [ 257.731492] (M) [ 257.733907] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.738016] = 15908kB [ 257.738024] Node 0 [ 257.740001] cache_grow_begin+0x91/0x8c0 [ 257.745506] DMA32: 3*4kB [ 257.747928] ? do_raw_spin_unlock+0xa7/0x2f0 [ 257.750137] (UM) [ 257.754201] fallback_alloc+0x203/0x2e0 [ 257.756933] 2*8kB [ 257.761347] ____cache_alloc_node+0x1c7/0x1e0 [ 257.763380] (U) [ 257.767364] kmem_cache_alloc_node+0xe3/0x730 [ 257.769492] 5*16kB [ 257.774002] ? ipv6_get_ifaddr+0x42e/0x620 [ 257.775962] (UM) [ 257.780475] __alloc_skb+0x119/0x770 [ 257.782686] 2*32kB (UM) [ 257.786976] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 257.789011] 3*64kB (UM) [ 257.792746] ? skb_scrub_packet+0x490/0x490 [ 257.795397] 4*128kB [ 257.800674] ? lock_downgrade+0x900/0x900 [ 257.803326] (UM) [ 257.807654] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.809950] 2*256kB [ 257.814104] ? refcount_sub_and_test_checked+0x203/0x310 [ 257.816139] (M) [ 257.821675] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 257.823976] 4*512kB [ 257.829424] ? addrconf_rs_timer+0x6f0/0x6f0 [ 257.831375] (UM) [ 257.836832] ndisc_alloc_skb+0x144/0x340 [ 257.839132] 3*1024kB [ 257.843535] ndisc_send_rs+0x331/0x6e0 [ 257.845571] (M) [ 257.849627] addrconf_rs_timer+0x3c0/0x6f0 [ 257.852019] 1*2048kB (U) [ 257.855911] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 257.857856] 4*4096kB (M) [ 257.862128] call_timer_fn+0x272/0x920 [ 257.864857] = 24940kB [ 257.864865] Node 0 [ 257.869100] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 257.871831] Normal: 667*4kB [ 257.875729] ? process_timeout+0x40/0x40 [ 257.878106] (UMEH) 358*8kB [ 257.880358] ? find_held_lock+0x36/0x1c0 [ 257.884565] (UMEH) [ 257.887586] ? __run_timers+0x7da/0xc70 [ 257.891608] 191*16kB (UMEH) [ 257.894547] ? _raw_spin_unlock_irq+0x27/0x80 [ 257.898574] 81*32kB (UMEH) [ 257.900815] ? _raw_spin_unlock_irq+0x27/0x80 [ 257.904767] 30*64kB (UMH) [ 257.907795] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 257.912259] 1*128kB (M) [ 257.915198] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 257.919668] 3*256kB (UH) [ 257.922518] ? trace_hardirqs_on+0xbd/0x310 [ 257.926728] 0*512kB [ 257.929399] ? kasan_check_read+0x11/0x20 [ 257.933949] 0*1024kB 0*2048kB [ 257.936716] ? __run_timers+0x7da/0xc70 [ 257.941010] 0*4096kB [ 257.943336] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 257.947460] = 13996kB [ 257.947475] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 257.950659] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 257.954608] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 257.957010] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 257.962441] 414 total pagecache pages [ 257.964851] __run_timers+0x7e5/0xc70 [ 257.973670] 0 pages in swap cache [ 257.977924] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 257.986487] Swap cache stats: add 0, delete 0, find 0/0 [ 257.986498] Free swap = 0kB [ 257.990746] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 257.994520] Total swap = 0kB [ 257.994529] 1965979 pages RAM [ 257.998345] ? graph_lock+0x170/0x170 [ 258.001772] 0 pages HighMem/MovableOnly [ 258.001782] 342744 pages reserved [ 258.007159] ? enqueue_hrtimer+0x1a5/0x560 [ 258.012506] 0 pages cma reserved [ 258.012582] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 258.015550] ? lock_release+0x970/0x970 [ 258.015568] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 258.020694] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 258.023608] ? find_held_lock+0x36/0x1c0 [ 258.026708] syz-executor1 cpuset= [ 258.030530] ? graph_lock+0x170/0x170 [ 258.034491] / [ 258.037952] ? pvclock_read_flags+0x160/0x160 [ 258.042171] mems_allowed=0 [ 258.045550] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.097684] ? check_preemption_disabled+0x48/0x200 [ 258.102735] ? __lock_is_held+0xb5/0x140 [ 258.106818] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.112379] ? check_preemption_disabled+0x48/0x200 [ 258.117415] run_timer_softirq+0x52/0xb0 [ 258.121484] ? rcu_read_lock_sched_held+0x108/0x120 [ 258.126695] __do_softirq+0x30b/0xad8 [ 258.130535] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 258.135687] ? pvclock_read_flags+0x160/0x160 [ 258.140221] ? lapic_next_event+0x5a/0x90 [ 258.144421] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.149995] ? check_preemption_disabled+0x48/0x200 [ 258.155042] ? check_preemption_disabled+0x48/0x200 [ 258.160100] ? kvm_clock_read+0x18/0x30 [ 258.164093] ? kvm_sched_clock_read+0x9/0x20 [ 258.168522] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.174100] ? check_preemption_disabled+0x48/0x200 [ 258.179160] irq_exit+0x17f/0x1c0 [ 258.182656] smp_apic_timer_interrupt+0x1cb/0x760 [ 258.187524] ? smp_reschedule_interrupt+0x109/0x650 [ 258.192560] ? smp_call_function_single_interrupt+0x650/0x650 [ 258.198468] ? interrupt_entry+0xb5/0xf0 [ 258.202547] ? trace_hardirqs_off_caller+0xbb/0x300 [ 258.207596] ? trace_hardirqs_off_caller+0xbb/0x300 [ 258.212637] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 258.217499] ? trace_hardirqs_off+0x300/0x300 [ 258.221997] ? trace_hardirqs_off+0x300/0x300 [ 258.226500] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 258.232050] ? check_preemption_disabled+0x48/0x200 [ 258.237103] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 258.242667] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 258.247534] apic_timer_interrupt+0xf/0x20 [ 258.251772] [ 258.254031] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 258.259281] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 258.278239] RSP: 0000:ffff88019f217748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 258.285975] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 258.293267] RDX: 0000000000000000 RSI: ffff88019f972d00 RDI: 0000000000000282 [ 258.300554] RBP: ffff88019f2177b0 R08: ffff88019f972480 R09: 0000000000000000 [ 258.307840] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 258.315126] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 258.322465] skb_clone+0x1bb/0x500 [ 258.326017] ? finish_task_switch+0x2f5/0x900 [ 258.330518] ? skb_split+0x11e0/0x11e0 [ 258.334413] ? preempt_notifier_register+0x200/0x200 [ 258.339523] ? __switch_to_asm+0x34/0x70 [ 258.343601] ? __switch_to_asm+0x34/0x70 [ 258.347672] ? __switch_to_asm+0x40/0x70 [ 258.351738] ? __switch_to_asm+0x34/0x70 [ 258.355803] ? __switch_to_asm+0x40/0x70 [ 258.359867] ? __switch_to_asm+0x34/0x70 [ 258.363930] ? __switch_to_asm+0x40/0x70 [ 258.368001] ? __switch_to_asm+0x34/0x70 [ 258.372092] ? __switch_to_asm+0x34/0x70 [ 258.376158] ? __switch_to_asm+0x40/0x70 [ 258.380228] ? __switch_to_asm+0x34/0x70 [ 258.384306] bpf_clone_redirect+0xb9/0x490 [ 258.388576] ? __schedule+0x874/0x1ed0 [ 258.392477] bpf_prog_a2323609a0d1adb1+0x624/0x1000 [ 258.397514] ? __sched_text_start+0x8/0x8 [ 258.401684] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 258.406466] ? find_held_lock+0x36/0x1c0 [ 258.410536] ? lock_acquire+0x1ed/0x520 [ 258.414511] ? bpf_test_run+0x32e/0x5a0 [ 258.418501] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.424065] ? check_preemption_disabled+0x48/0x200 [ 258.429118] ? kasan_check_read+0x11/0x20 [ 258.433279] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 258.438578] ? rcu_bh_qs+0xc0/0xc0 [ 258.442143] ? preempt_schedule+0x4d/0x60 [ 258.446304] ? ___preempt_schedule+0x16/0x18 [ 258.450735] ? bpf_test_run+0x1c0/0x5a0 [ 258.454727] ? netlink_diag_dump+0x2a0/0x2a0 [ 258.459146] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 258.464717] ? bpf_test_init.isra.9+0x70/0x100 [ 258.469326] ? bpf_prog_test_run_skb+0x634/0xb40 [ 258.474125] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 258.478994] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 258.484559] ? fput+0x130/0x1a0 [ 258.487858] ? __bpf_prog_get+0x9b/0x290 [ 258.491967] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 258.496820] ? bpf_prog_test_run+0x130/0x1a0 [ 258.501257] ? __x64_sys_bpf+0x3d8/0x510 [ 258.505388] ? bpf_prog_get+0x20/0x20 [ 258.509244] ? do_syscall_64+0x1b9/0x820 [ 258.513348] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 258.518748] ? syscall_return_slowpath+0x5e0/0x5e0 [ 258.523709] ? trace_hardirqs_off+0x300/0x300 [ 258.528232] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 258.533273] ? recalc_sigpending_tsk+0x180/0x180 [ 258.538052] ? kasan_check_write+0x14/0x20 [ 258.542324] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 258.547192] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 258.552618] CPU: 1 PID: 5351 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51 [ 258.552688] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 258.559840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 258.559846] Call Trace: [ 258.559853] [ 258.559877] dump_stack+0x1c4/0x2b4 [ 258.559892] ? dump_stack_print_info.cold.2+0x52/0x52 [ 258.559924] warn_alloc.cold.118+0xb7/0x1bd [ 258.566481] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 258.575792] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 258.578365] syz-executor0 cpuset= [ 258.580542] ? lock_downgrade+0x900/0x900 [ 258.584150] syz0 [ 258.589357] ? trace_hardirqs_off+0xb8/0x300 [ 258.593659] mems_allowed=0 [ 258.604190] ? trace_hardirqs_off+0xb8/0x300 [ 258.630357] __alloc_pages_slowpath+0x2667/0x2d80 [ 258.635248] ? warn_alloc+0x120/0x120 [ 258.639074] ? trace_hardirqs_on+0x310/0x310 [ 258.643512] ? warn_alloc+0x120/0x120 [ 258.647343] ? print_usage_bug+0xc0/0xc0 [ 258.651437] ? warn_alloc+0x120/0x120 [ 258.655268] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 258.660315] ? print_usage_bug+0xc0/0xc0 [ 258.664408] ? __lock_acquire+0x7ec/0x4ec0 [ 258.668658] ? __lock_acquire+0x7ec/0x4ec0 [ 258.672912] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 258.678466] ? should_fail+0x22d/0xd01 [ 258.682369] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 258.687483] ? __lock_acquire+0x7ec/0x4ec0 [ 258.691735] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 258.696856] ? __lock_acquire+0x7ec/0x4ec0 [ 258.701106] ? should_fail+0x22d/0xd01 [ 258.705003] ? print_usage_bug+0xc0/0xc0 [ 258.709092] ? mark_held_locks+0x130/0x130 [ 258.713344] ? mark_held_locks+0x130/0x130 [ 258.717597] ? graph_lock+0x170/0x170 [ 258.721404] ? print_usage_bug+0xc0/0xc0 [ 258.725481] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 258.730248] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.735801] ? check_preemption_disabled+0x48/0x200 [ 258.740831] ? check_preemption_disabled+0x48/0x200 [ 258.745870] ? __lock_is_held+0xb5/0x140 [ 258.749945] __alloc_pages_nodemask+0xa80/0xde0 [ 258.754626] ? graph_lock+0x170/0x170 [ 258.758440] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 258.763464] ? graph_lock+0x170/0x170 [ 258.767282] ? find_held_lock+0x36/0x1c0 [ 258.771361] ? ____cache_alloc_node+0x1c7/0x1e0 [ 258.776044] ? lock_downgrade+0x900/0x900 [ 258.780217] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.786552] cache_grow_begin+0x91/0x8c0 [ 258.790644] ? do_raw_spin_unlock+0xa7/0x2f0 [ 258.795075] fallback_alloc+0x203/0x2e0 [ 258.799074] ____cache_alloc_node+0x1c7/0x1e0 [ 258.803586] kmem_cache_alloc_node+0xe3/0x730 [ 258.808104] ? ipv6_get_ifaddr+0x42e/0x620 [ 258.812365] __alloc_skb+0x119/0x770 [ 258.816105] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 258.821408] ? skb_scrub_packet+0x490/0x490 [ 258.825757] ? lock_downgrade+0x900/0x900 [ 258.829952] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.835534] ? refcount_sub_and_test_checked+0x203/0x310 [ 258.841018] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 258.846507] ? addrconf_rs_timer+0x6f0/0x6f0 [ 258.850957] ndisc_alloc_skb+0x144/0x340 [ 258.855049] ndisc_send_rs+0x331/0x6e0 [ 258.858977] addrconf_rs_timer+0x3c0/0x6f0 [ 258.863240] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.867513] call_timer_fn+0x272/0x920 [ 258.871429] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.875681] ? process_timeout+0x40/0x40 [ 258.879748] ? find_held_lock+0x36/0x1c0 [ 258.883831] ? __run_timers+0x7da/0xc70 [ 258.887817] ? _raw_spin_unlock_irq+0x27/0x80 [ 258.892344] ? _raw_spin_unlock_irq+0x27/0x80 [ 258.896850] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.901101] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 258.905690] ? trace_hardirqs_on+0xbd/0x310 [ 258.910036] ? kasan_check_read+0x11/0x20 [ 258.914224] ? __run_timers+0x7da/0xc70 [ 258.918232] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 258.923735] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.927995] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 258.932243] __run_timers+0x7e5/0xc70 [ 258.936080] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 258.941468] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 258.946515] ? graph_lock+0x170/0x170 [ 258.950340] ? enqueue_hrtimer+0x1a5/0x560 [ 258.954597] ? lock_release+0x970/0x970 [ 258.958601] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 258.963833] ? find_held_lock+0x36/0x1c0 [ 258.967921] ? pvclock_read_flags+0x160/0x160 [ 258.972441] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 258.978015] ? check_preemption_disabled+0x48/0x200 [ 258.983082] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 258.988643] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 258.993948] ? rcu_pm_notify+0xc0/0xc0 [ 258.997858] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.003420] ? check_preemption_disabled+0x48/0x200 [ 259.008455] run_timer_softirq+0x52/0xb0 [ 259.012521] ? rcu_read_lock_sched_held+0x108/0x120 [ 259.017545] __do_softirq+0x30b/0xad8 [ 259.021365] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 259.026498] ? pvclock_read_flags+0x160/0x160 [ 259.031029] ? lapic_next_event+0x5a/0x90 [ 259.035221] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.040881] ? check_preemption_disabled+0x48/0x200 [ 259.045920] ? check_preemption_disabled+0x48/0x200 [ 259.050960] ? kvm_clock_read+0x18/0x30 [ 259.054946] ? kvm_sched_clock_read+0x9/0x20 [ 259.059368] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.064970] ? check_preemption_disabled+0x48/0x200 [ 259.070012] irq_exit+0x17f/0x1c0 [ 259.073486] smp_apic_timer_interrupt+0x1cb/0x760 [ 259.078367] ? smp_reschedule_interrupt+0x109/0x650 [ 259.083402] ? smp_call_function_single_interrupt+0x650/0x650 [ 259.089309] ? interrupt_entry+0xb5/0xf0 [ 259.093396] ? trace_hardirqs_off_caller+0xbb/0x300 [ 259.098513] ? trace_hardirqs_off_caller+0xbb/0x300 [ 259.103546] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 259.108411] ? trace_hardirqs_off+0x300/0x300 [ 259.112935] ? trace_hardirqs_off+0x300/0x300 [ 259.117471] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.123067] ? check_preemption_disabled+0x48/0x200 [ 259.128554] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.134133] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 259.139021] apic_timer_interrupt+0xf/0x20 [ 259.143277] [ 259.145529] RIP: 0010:_raw_write_unlock_irq+0x56/0x80 [ 259.150730] Code: 52 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d ab aa 92 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 f0 ec 95 f9 65 8b 05 a9 6e 42 78 85 c0 74 05 5b [ 259.169646] RSP: 0018:ffff8801d8cf7350 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 259.177375] RAX: dffffc0000000000 RBX: ffffffff894090c0 RCX: 0000000000000000 [ 259.184681] RDX: 1ffffffff12a4537 RSI: 0000000000000001 RDI: ffffffff895229b8 [ 259.191965] RBP: ffff8801d8cf7358 R08: ffff8801c24ca580 R09: 0000000000000000 [ 259.199244] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d70737c0 [ 259.206522] R13: ffff8801d8cf7490 R14: 0000000000000000 R15: ffff8801c24cab00 [ 259.213848] do_exit+0x11ef/0x2610 [ 259.217400] ? mem_cgroup_commit_charge+0x275/0x9d0 [ 259.222434] ? mm_update_next_owner+0x990/0x990 [ 259.227112] ? print_usage_bug+0xc0/0xc0 [ 259.231181] ? graph_lock+0x170/0x170 [ 259.234997] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.240544] ? check_preemption_disabled+0x48/0x200 [ 259.245570] ? check_preemption_disabled+0x48/0x200 [ 259.250609] ? print_usage_bug+0xc0/0xc0 [ 259.254700] ? __lock_acquire+0x7ec/0x4ec0 [ 259.258961] ? __lock_acquire+0x7ec/0x4ec0 [ 259.263234] ? mark_held_locks+0x130/0x130 [ 259.267499] ? mark_held_locks+0x130/0x130 [ 259.271846] ? finish_task_switch+0x1b5/0x900 [ 259.276367] ? __switch_to_asm+0x34/0x70 [ 259.280451] ? __switch_to_asm+0x34/0x70 [ 259.284528] ? __switch_to_asm+0x34/0x70 [ 259.288602] ? __switch_to_asm+0x40/0x70 [ 259.292698] ? __switch_to_asm+0x34/0x70 [ 259.296768] ? __switch_to_asm+0x40/0x70 [ 259.300851] ? __switch_to_asm+0x34/0x70 [ 259.304944] ? __switch_to_asm+0x34/0x70 [ 259.309024] ? __switch_to_asm+0x34/0x70 [ 259.313103] ? __switch_to_asm+0x34/0x70 [ 259.317177] ? __switch_to_asm+0x40/0x70 [ 259.321253] ? __switch_to_asm+0x34/0x70 [ 259.325335] ? __switch_to_asm+0x40/0x70 [ 259.329434] ? graph_lock+0x170/0x170 [ 259.333266] ? graph_lock+0x170/0x170 [ 259.337101] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.342663] ? wait_consider_task+0x245/0x3bb0 [ 259.347276] ? memset+0x31/0x40 [ 259.350584] ? find_held_lock+0x36/0x1c0 [ 259.354680] ? get_signal+0x95b/0x1980 [ 259.358600] ? _raw_spin_unlock_irq+0x27/0x80 [ 259.363124] ? _raw_spin_unlock_irq+0x27/0x80 [ 259.367655] do_group_exit+0x177/0x440 [ 259.371572] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 259.377066] ? __ia32_sys_exit+0x50/0x50 [ 259.381175] get_signal+0x8b0/0x1980 [ 259.384946] ? ptrace_notify+0x130/0x130 [ 259.389033] ? do_wait+0x57d/0xb90 [ 259.392608] ? wait_consider_task+0x3bb0/0x3bb0 [ 259.397293] ? graph_lock+0x170/0x170 [ 259.401114] ? graph_lock+0x170/0x170 [ 259.404941] ? graph_lock+0x170/0x170 [ 259.408777] do_signal+0x9c/0x21e0 [ 259.412336] ? find_held_lock+0x36/0x1c0 [ 259.416434] ? setup_sigcontext+0x7d0/0x7d0 [ 259.420769] ? kernel_wait4+0x2e0/0x3f0 [ 259.424756] ? __ia32_sys_waitid+0x140/0x140 [ 259.429187] ? task_stopped_code+0x190/0x190 [ 259.433619] ? exit_to_usermode_loop+0x8c/0x380 [ 259.438327] ? __do_page_fault+0x4a6/0xed0 [ 259.442582] ? do_syscall_64+0x9a/0x820 [ 259.446586] ? do_syscall_64+0x9a/0x820 [ 259.450592] exit_to_usermode_loop+0x2e5/0x380 [ 259.455211] ? syscall_slow_exit_work+0x520/0x520 [ 259.460103] do_syscall_64+0x6be/0x820 [ 259.464018] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 259.469418] ? syscall_return_slowpath+0x5e0/0x5e0 [ 259.474377] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 259.479247] ? trace_hardirqs_off+0x300/0x300 [ 259.483762] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 259.488798] ? prepare_exit_to_usermode+0x291/0x3b0 [ 259.493847] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 259.498724] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 259.503935] RIP: 0033:0x410e7a [ 259.507141] Code: Bad RIP value. [ 259.510516] RSP: 002b:00007ffdfa797988 EFLAGS: 00000246 ORIG_RAX: 000000000000003d [ 259.518248] RAX: fffffffffffffe00 RBX: 00000000000014f2 RCX: 0000000000410e7a [ 259.525537] RDX: 0000000040000000 RSI: 00007ffdfa797994 RDI: ffffffffffffffff [ 259.532835] RBP: 0000000000930b28 R08: 00000000000014e7 R09: 00000000024eb940 [ 259.540126] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010 [ 259.547415] R13: 0000000000412a80 R14: 0000000000000000 R15: 0000000000000000 [ 259.554751] warn_alloc_show_mem: 1 callbacks suppressed [ 259.554764] CPU: 0 PID: 9562 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51 [ 259.554766] Mem-Info: [ 259.554797] active_anon:43308 inactive_anon:372 isolated_anon:0 [ 259.554797] active_file:9 inactive_file:26 isolated_file:0 [ 259.554797] unevictable:0 dirty:0 writeback:0 unstable:0 [ 259.554797] slab_reclaimable:8855 slab_unreclaimable:1462387 [ 259.554797] mapped:57522 shmem:379 pagetables:727 bounce:0 [ 259.554797] free:13711 free_pcp:202 free_cma:0 [ 259.560159] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 259.567352] Node 0 active_anon:173232kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 259.567361] Node 0 [ 259.569785] Call Trace: [ 259.602599] 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 [ 259.611928] [ 259.639670] lowmem_reserve[]: 0 [ 259.641923] dump_stack+0x1c4/0x2b4 [ 259.644479] 2817 [ 259.669995] ? dump_stack_print_info.cold.2+0x52/0x52 [ 259.672125] 6321 [ 259.675407] warn_alloc.cold.118+0xb7/0x1bd [ 259.679000] 6321 [ 259.681067] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 259.686231] Node 0 [ 259.688288] ? lock_downgrade+0x900/0x900 [ 259.692608] DMA32 free:24940kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 259.694645] ? trace_hardirqs_off+0xb8/0x300 [ 259.699460] lowmem_reserve[]: [ 259.701705] ? trace_hardirqs_off+0xb8/0x300 [ 259.705825] 0 [ 259.732647] __alloc_pages_slowpath+0x2667/0x2d80 [ 259.737035] 0 3503 [ 259.740198] ? warn_alloc+0x120/0x120 [ 259.744559] 3503 [ 259.746361] ? warn_alloc+0x120/0x120 [ 259.753415] ? print_usage_bug+0xc0/0xc0 [ 259.757193] Node 0 [ 259.759259] ? warn_alloc+0x120/0x120 [ 259.763074] Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:169136kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5568kB pagetables:2908kB bounce:0kB free_pcp:808kB local_pcp:692kB free_cma:0kB [ 259.767106] ? print_usage_bug+0xc0/0xc0 [ 259.769315] lowmem_reserve[]: [ 259.773120] ? __lock_acquire+0x7ec/0x4ec0 [ 259.802008] 0 [ 259.806089] ? __lock_acquire+0x7ec/0x4ec0 [ 259.809167] 0 [ 259.813399] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 259.815173] 0 [ 259.819415] ? should_fail+0x22d/0xd01 [ 259.821191] 0 [ 259.826737] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 259.828522] Node 0 [ 259.832424] ? __lock_acquire+0x7ec/0x4ec0 [ 259.834202] DMA: [ 259.839304] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 259.841514] 1*4kB [ 259.845746] ? __lock_acquire+0x7ec/0x4ec0 [ 259.847790] (U) [ 259.852889] ? should_fail+0x22d/0xd01 [ 259.855018] 0*8kB [ 259.859270] ? mark_held_locks+0x130/0x130 [ 259.861220] 0*16kB [ 259.865101] ? mark_held_locks+0x130/0x130 [ 259.867228] 1*32kB [ 259.871458] ? graph_lock+0x170/0x170 [ 259.873675] (U) [ 259.877921] ? graph_lock+0x170/0x170 [ 259.880141] 2*64kB [ 259.883952] ? graph_lock+0x170/0x170 [ 259.885912] (U) [ 259.889725] ? print_usage_bug+0xc0/0xc0 [ 259.891943] 1*128kB [ 259.895758] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.897716] (U) [ 259.901793] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.904094] 1*256kB [ 259.909647] ? check_preemption_disabled+0x48/0x200 [ 259.911595] (U) [ 259.917132] ? check_preemption_disabled+0x48/0x200 [ 259.919434] 0*512kB [ 259.924455] ? __lock_is_held+0xb5/0x140 [ 259.926403] 1*1024kB [ 259.931417] __alloc_pages_nodemask+0xa80/0xde0 [ 259.933713] (U) [ 259.937765] ? graph_lock+0x170/0x170 [ 259.940153] 1*2048kB [ 259.944817] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 259.946774] (M) [ 259.950570] ? graph_lock+0x170/0x170 [ 259.952956] 3*4096kB (M) [ 259.957981] ? find_held_lock+0x36/0x1c0 [ 259.959925] = 15908kB [ 259.963724] ? ____cache_alloc_node+0x1c7/0x1e0 [ 259.966453] Node 0 [ 259.970525] ? lock_downgrade+0x900/0x900 [ 259.972913] DMA32: [ 259.977583] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 259.979791] 3*4kB [ 259.983938] cache_grow_begin+0x91/0x8c0 [ 259.986138] (UM) 2*8kB [ 259.991737] ? do_raw_spin_unlock+0xa7/0x2f0 [ 259.993865] (U) [ 259.997930] fallback_alloc+0x203/0x2e0 [ 260.000486] 5*16kB (UM) [ 260.004924] ____cache_alloc_node+0x1c7/0x1e0 [ 260.006875] 2*32kB [ 260.010950] kmem_cache_alloc_node+0xe3/0x730 [ 260.013592] (UM) 3*64kB [ 260.018111] ? ipv6_get_ifaddr+0x42e/0x620 [ 260.020332] (UM) [ 260.024836] __alloc_skb+0x119/0x770 [ 260.027478] 4*128kB (UM) [ 260.031727] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 260.033777] 2*256kB [ 260.037489] ? skb_scrub_packet+0x490/0x490 [ 260.040224] (M) [ 260.045502] ? lock_downgrade+0x900/0x900 [ 260.047800] 4*512kB [ 260.052123] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.054074] (UM) [ 260.058223] ? refcount_sub_and_test_checked+0x203/0x310 [ 260.060522] 3*1024kB [ 260.066056] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 260.068100] (M) [ 260.073568] ? addrconf_rs_timer+0x6f0/0x6f0 [ 260.075947] 1*2048kB (U) [ 260.081417] ndisc_alloc_skb+0x144/0x340 [ 260.083365] 4*4096kB [ 260.087781] ndisc_send_rs+0x331/0x6e0 [ 260.090517] (M) [ 260.094589] addrconf_rs_timer+0x3c0/0x6f0 [ 260.096966] = 24940kB [ 260.100852] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 260.102806] Node 0 [ 260.107078] call_timer_fn+0x272/0x920 [ 260.109458] Normal: [ 260.113717] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 260.115937] 667*4kB [ 260.119828] ? process_timeout+0x40/0x40 [ 260.122132] (UMEH) [ 260.126365] ? find_held_lock+0x36/0x1c0 [ 260.128665] 358*8kB [ 260.132726] ? __run_timers+0x7da/0xc70 [ 260.134933] (UMEH) [ 260.138992] ? _raw_spin_unlock_irq+0x27/0x80 [ 260.141286] 191*16kB (UMEH) [ 260.145267] ? _raw_spin_unlock_irq+0x27/0x80 [ 260.147486] 81*32kB [ 260.151982] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 260.154981] (UMEH) [ 260.159491] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 260.161793] 30*64kB [ 260.166023] ? trace_hardirqs_on+0xbd/0x310 [ 260.168230] (UMH) 1*128kB [ 260.172825] ? kasan_check_read+0x11/0x20 [ 260.175124] (M) [ 260.179444] ? __run_timers+0x7da/0xc70 [ 260.182266] 3*256kB [ 260.186414] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 260.188364] (UH) [ 260.192341] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 260.194628] 0*512kB 0*1024kB [ 260.200099] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 260.202136] 0*2048kB 0*4096kB [ 260.206386] __run_timers+0x7e5/0xc70 [ 260.209464] = 13996kB [ 260.209479] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 260.213727] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 260.216893] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 260.220685] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 260.223080] 414 total pagecache pages [ 260.231931] ? graph_lock+0x170/0x170 [ 260.237290] 0 pages in swap cache [ 260.245886] ? enqueue_hrtimer+0x1a5/0x560 [ 260.250891] Swap cache stats: add 0, delete 0, find 0/0 [ 260.250902] Free swap = 0kB [ 260.254816] ? lock_release+0x970/0x970 [ 260.259072] Total swap = 0kB [ 260.259083] 1965979 pages RAM [ 260.262563] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 260.266775] 0 pages HighMem/MovableOnly [ 260.266785] 342744 pages reserved [ 260.272160] ? find_held_lock+0x36/0x1c0 [ 260.275153] 0 pages cma reserved [ 260.275226] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 260.279134] ? graph_lock+0x170/0x170 [ 260.279149] ? pvclock_read_flags+0x160/0x160 [ 260.279165] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.279184] ? check_preemption_disabled+0x48/0x200 [ 260.282243] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 260.285289] ? __lock_is_held+0xb5/0x140 [ 260.290449] syz-executor1 cpuset= [ 260.294422] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.297847] / [ 260.301905] ? check_preemption_disabled+0x48/0x200 [ 260.305251] mems_allowed=0 [ 260.311744] run_timer_softirq+0x52/0xb0 [ 260.367784] ? rcu_read_lock_sched_held+0x108/0x120 [ 260.372821] __do_softirq+0x30b/0xad8 [ 260.376652] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 260.381775] ? pvclock_read_flags+0x160/0x160 [ 260.386288] ? lapic_next_event+0x5a/0x90 [ 260.390453] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.396002] ? check_preemption_disabled+0x48/0x200 [ 260.401028] ? check_preemption_disabled+0x48/0x200 [ 260.406078] ? kvm_clock_read+0x18/0x30 [ 260.410069] ? kvm_sched_clock_read+0x9/0x20 [ 260.414488] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.420041] ? check_preemption_disabled+0x48/0x200 [ 260.425097] irq_exit+0x17f/0x1c0 [ 260.428567] smp_apic_timer_interrupt+0x1cb/0x760 [ 260.433424] ? smp_reschedule_interrupt+0x109/0x650 [ 260.438459] ? smp_call_function_single_interrupt+0x650/0x650 [ 260.444367] ? interrupt_entry+0xb5/0xf0 [ 260.448442] ? trace_hardirqs_off_caller+0xbb/0x300 [ 260.453479] ? trace_hardirqs_off_caller+0xbb/0x300 [ 260.458522] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 260.463396] ? trace_hardirqs_off+0x300/0x300 [ 260.467919] ? trace_hardirqs_off+0x300/0x300 [ 260.472437] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 260.478000] ? check_preemption_disabled+0x48/0x200 [ 260.483039] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 260.488621] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 260.493509] apic_timer_interrupt+0xf/0x20 [ 260.497758] [ 260.500027] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 260.504987] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 260.523914] RSP: 0000:ffff88019f217748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 260.531650] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 260.538955] RDX: 0000000000000000 RSI: ffff88019f972d00 RDI: 0000000000000282 [ 260.546245] RBP: ffff88019f2177b0 R08: ffff88019f972480 R09: 0000000000000000 [ 260.553533] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 260.560825] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 260.568171] skb_clone+0x1bb/0x500 [ 260.571739] ? finish_task_switch+0x2f5/0x900 [ 260.576265] ? skb_split+0x11e0/0x11e0 [ 260.580183] ? preempt_notifier_register+0x200/0x200 [ 260.585310] ? __switch_to_asm+0x34/0x70 [ 260.589396] ? __switch_to_asm+0x34/0x70 [ 260.593464] ? __switch_to_asm+0x40/0x70 [ 260.597536] ? __switch_to_asm+0x34/0x70 [ 260.601609] ? __switch_to_asm+0x40/0x70 [ 260.605690] ? __switch_to_asm+0x34/0x70 [ 260.609777] ? __switch_to_asm+0x40/0x70 [ 260.613868] ? __switch_to_asm+0x34/0x70 [ 260.617960] ? __switch_to_asm+0x34/0x70 [ 260.622044] ? __switch_to_asm+0x40/0x70 [ 260.626156] ? __switch_to_asm+0x34/0x70 [ 260.630242] bpf_clone_redirect+0xb9/0x490 [ 260.634498] ? __schedule+0x874/0x1ed0 [ 260.638411] bpf_prog_a2323609a0d1adb1+0x624/0x1000 [ 260.643456] ? __sched_text_start+0x8/0x8 [ 260.647616] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 260.652412] ? find_held_lock+0x36/0x1c0 [ 260.656508] ? lock_acquire+0x1ed/0x520 [ 260.660510] ? bpf_test_run+0x32e/0x5a0 [ 260.664517] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.670098] ? check_preemption_disabled+0x48/0x200 [ 260.675157] ? kasan_check_read+0x11/0x20 [ 260.679339] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 260.684651] ? rcu_bh_qs+0xc0/0xc0 [ 260.688223] ? preempt_schedule+0x4d/0x60 [ 260.692405] ? ___preempt_schedule+0x16/0x18 [ 260.696845] ? bpf_test_run+0x1c0/0x5a0 [ 260.700852] ? netlink_diag_dump+0x2a0/0x2a0 [ 260.705287] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 260.710844] ? bpf_test_init.isra.9+0x70/0x100 [ 260.715437] ? bpf_prog_test_run_skb+0x634/0xb40 [ 260.720205] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 260.725069] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 260.730618] ? fput+0x130/0x1a0 [ 260.733905] ? __bpf_prog_get+0x9b/0x290 [ 260.737980] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 260.742833] ? bpf_prog_test_run+0x130/0x1a0 [ 260.747251] ? __x64_sys_bpf+0x3d8/0x510 [ 260.751318] ? bpf_prog_get+0x20/0x20 [ 260.755154] ? do_syscall_64+0x1b9/0x820 [ 260.759225] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 260.764601] ? syscall_return_slowpath+0x5e0/0x5e0 [ 260.769544] ? trace_hardirqs_off+0x300/0x300 [ 260.774046] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 260.779082] ? recalc_sigpending_tsk+0x180/0x180 [ 260.783870] ? kasan_check_write+0x14/0x20 [ 260.788126] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 260.793023] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 260.798442] CPU: 1 PID: 5351 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51 [ 260.798528] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 260.805657] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 260.805669] Call Trace: [ 260.812301] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 260.821536] [ 260.824111] syz-executor0 cpuset= [ 260.834606] dump_stack+0x1c4/0x2b4 [ 260.836733] syz0 [ 260.840190] ? dump_stack_print_info.cold.2+0x52/0x52 [ 260.843794] mems_allowed=0 [ 260.845775] warn_alloc.cold.118+0xb7/0x1bd [ 260.858224] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 260.863081] ? lock_downgrade+0x900/0x900 [ 260.867242] ? trace_hardirqs_off+0xb8/0x300 [ 260.871658] ? trace_hardirqs_off+0xb8/0x300 [ 260.876094] __alloc_pages_slowpath+0x2667/0x2d80 [ 260.881001] ? warn_alloc+0x120/0x120 [ 260.884808] ? warn_alloc+0x120/0x120 [ 260.888618] ? print_usage_bug+0xc0/0xc0 [ 260.892679] ? warn_alloc+0x120/0x120 [ 260.896481] ? print_usage_bug+0xc0/0xc0 [ 260.900548] ? __lock_acquire+0x7ec/0x4ec0 [ 260.904783] ? __lock_acquire+0x7ec/0x4ec0 [ 260.909025] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 260.914599] ? should_fail+0x22d/0xd01 [ 260.918496] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 260.923618] ? __lock_acquire+0x7ec/0x4ec0 [ 260.927860] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 260.932964] ? __lock_acquire+0x7ec/0x4ec0 [ 260.937198] ? should_fail+0x22d/0xd01 [ 260.941107] ? mark_held_locks+0x130/0x130 [ 260.945350] ? mark_held_locks+0x130/0x130 [ 260.949588] ? graph_lock+0x170/0x170 [ 260.953394] ? graph_lock+0x170/0x170 [ 260.957231] ? graph_lock+0x170/0x170 [ 260.961041] ? print_usage_bug+0xc0/0xc0 [ 260.965124] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.970687] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 260.976240] ? check_preemption_disabled+0x48/0x200 [ 260.981267] ? check_preemption_disabled+0x48/0x200 [ 260.986304] ? __lock_is_held+0xb5/0x140 [ 260.990383] __alloc_pages_nodemask+0xa80/0xde0 [ 260.995067] ? graph_lock+0x170/0x170 [ 260.998879] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 261.003899] ? graph_lock+0x170/0x170 [ 261.007719] ? find_held_lock+0x36/0x1c0 [ 261.011792] ? ____cache_alloc_node+0x1c7/0x1e0 [ 261.016477] ? lock_downgrade+0x900/0x900 [ 261.020643] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.026212] cache_grow_begin+0x91/0x8c0 [ 261.030285] ? do_raw_spin_unlock+0xa7/0x2f0 [ 261.034717] fallback_alloc+0x203/0x2e0 [ 261.038710] ____cache_alloc_node+0x1c7/0x1e0 [ 261.043227] kmem_cache_alloc_node+0xe3/0x730 [ 261.047743] ? ipv6_get_ifaddr+0x42e/0x620 [ 261.052009] __alloc_skb+0x119/0x770 [ 261.055736] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 261.061038] ? skb_scrub_packet+0x490/0x490 [ 261.065383] ? lock_downgrade+0x900/0x900 [ 261.069548] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.075103] ? refcount_sub_and_test_checked+0x203/0x310 [ 261.080568] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 261.086032] ? addrconf_rs_timer+0x6f0/0x6f0 [ 261.090486] ndisc_alloc_skb+0x144/0x340 [ 261.094568] ndisc_send_rs+0x331/0x6e0 [ 261.098470] addrconf_rs_timer+0x3c0/0x6f0 [ 261.102717] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.106973] call_timer_fn+0x272/0x920 [ 261.110870] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.115118] ? process_timeout+0x40/0x40 [ 261.119194] ? find_held_lock+0x36/0x1c0 [ 261.123274] ? __run_timers+0x7da/0xc70 [ 261.127556] ? _raw_spin_unlock_irq+0x27/0x80 [ 261.132070] ? _raw_spin_unlock_irq+0x27/0x80 [ 261.136589] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.140860] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 261.145472] ? trace_hardirqs_on+0xbd/0x310 [ 261.149808] ? kasan_check_read+0x11/0x20 [ 261.153987] ? __run_timers+0x7da/0xc70 [ 261.157998] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 261.163487] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.167754] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 261.172014] __run_timers+0x7e5/0xc70 [ 261.175855] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 261.181245] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 261.186277] ? graph_lock+0x170/0x170 [ 261.190105] ? enqueue_hrtimer+0x1a5/0x560 [ 261.194347] ? lock_release+0x970/0x970 [ 261.198334] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 261.203552] ? find_held_lock+0x36/0x1c0 [ 261.207641] ? pvclock_read_flags+0x160/0x160 [ 261.212165] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.217726] ? check_preemption_disabled+0x48/0x200 [ 261.222780] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 261.228346] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 261.233657] ? rcu_pm_notify+0xc0/0xc0 [ 261.237568] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.243158] ? check_preemption_disabled+0x48/0x200 [ 261.248212] run_timer_softirq+0x52/0xb0 [ 261.252285] ? rcu_read_lock_sched_held+0x108/0x120 [ 261.257313] __do_softirq+0x30b/0xad8 [ 261.261138] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 261.266253] ? pvclock_read_flags+0x160/0x160 [ 261.270754] ? lapic_next_event+0x5a/0x90 [ 261.274915] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.280463] ? check_preemption_disabled+0x48/0x200 [ 261.285486] ? check_preemption_disabled+0x48/0x200 [ 261.290522] ? kvm_clock_read+0x18/0x30 [ 261.294510] ? kvm_sched_clock_read+0x9/0x20 [ 261.298965] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.304552] ? check_preemption_disabled+0x48/0x200 [ 261.309635] irq_exit+0x17f/0x1c0 [ 261.313140] smp_apic_timer_interrupt+0x1cb/0x760 [ 261.318028] ? smp_reschedule_interrupt+0x109/0x650 [ 261.323097] ? smp_call_function_single_interrupt+0x650/0x650 [ 261.328999] ? interrupt_entry+0xb5/0xf0 [ 261.333082] ? trace_hardirqs_off_caller+0xbb/0x300 [ 261.338117] ? trace_hardirqs_off_caller+0xbb/0x300 [ 261.343150] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 261.348014] ? trace_hardirqs_off+0x300/0x300 [ 261.352524] ? trace_hardirqs_off+0x300/0x300 [ 261.357040] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.362604] ? check_preemption_disabled+0x48/0x200 [ 261.367630] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.373191] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 261.378053] apic_timer_interrupt+0xf/0x20 [ 261.382303] [ 261.384550] RIP: 0010:_raw_write_unlock_irq+0x56/0x80 [ 261.389744] Code: 52 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d ab aa 92 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 f0 ec 95 f9 65 8b 05 a9 6e 42 78 85 c0 74 05 5b [ 261.408663] RSP: 0018:ffff8801d8cf7350 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 261.416396] RAX: dffffc0000000000 RBX: ffffffff894090c0 RCX: 0000000000000000 [ 261.423682] RDX: 1ffffffff12a4537 RSI: 0000000000000001 RDI: ffffffff895229b8 [ 261.430967] RBP: ffff8801d8cf7358 R08: ffff8801c24ca580 R09: 0000000000000000 [ 261.438247] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d70737c0 [ 261.445548] R13: ffff8801d8cf7490 R14: 0000000000000000 R15: ffff8801c24cab00 [ 261.452868] do_exit+0x11ef/0x2610 [ 261.456434] ? mem_cgroup_commit_charge+0x275/0x9d0 [ 261.461477] ? mm_update_next_owner+0x990/0x990 [ 261.466157] ? print_usage_bug+0xc0/0xc0 [ 261.470227] ? graph_lock+0x170/0x170 [ 261.474044] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.479598] ? check_preemption_disabled+0x48/0x200 [ 261.484629] ? check_preemption_disabled+0x48/0x200 [ 261.489660] ? print_usage_bug+0xc0/0xc0 [ 261.493745] ? __lock_acquire+0x7ec/0x4ec0 [ 261.498013] ? __lock_acquire+0x7ec/0x4ec0 [ 261.502278] ? mark_held_locks+0x130/0x130 [ 261.506525] ? mark_held_locks+0x130/0x130 [ 261.510767] ? finish_task_switch+0x1b5/0x900 [ 261.515289] ? __switch_to_asm+0x34/0x70 [ 261.519361] ? __switch_to_asm+0x34/0x70 [ 261.523423] ? __switch_to_asm+0x34/0x70 [ 261.527486] ? __switch_to_asm+0x40/0x70 [ 261.531546] ? __switch_to_asm+0x34/0x70 [ 261.535608] ? __switch_to_asm+0x40/0x70 [ 261.539678] ? __switch_to_asm+0x34/0x70 [ 261.543748] ? __switch_to_asm+0x34/0x70 [ 261.547813] ? __switch_to_asm+0x34/0x70 [ 261.551887] ? __switch_to_asm+0x34/0x70 [ 261.555954] ? __switch_to_asm+0x40/0x70 [ 261.560027] ? __switch_to_asm+0x34/0x70 [ 261.564120] ? __switch_to_asm+0x40/0x70 [ 261.568210] ? graph_lock+0x170/0x170 [ 261.572031] ? graph_lock+0x170/0x170 [ 261.575855] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 261.581397] ? wait_consider_task+0x245/0x3bb0 [ 261.585993] ? memset+0x31/0x40 [ 261.589291] ? find_held_lock+0x36/0x1c0 [ 261.593373] ? get_signal+0x95b/0x1980 [ 261.597271] ? _raw_spin_unlock_irq+0x27/0x80 [ 261.601767] ? _raw_spin_unlock_irq+0x27/0x80 [ 261.606274] do_group_exit+0x177/0x440 [ 261.610171] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 261.615637] ? __ia32_sys_exit+0x50/0x50 [ 261.619726] get_signal+0x8b0/0x1980 [ 261.623473] ? ptrace_notify+0x130/0x130 [ 261.627557] ? do_wait+0x57d/0xb90 [ 261.631127] ? wait_consider_task+0x3bb0/0x3bb0 [ 261.635804] ? graph_lock+0x170/0x170 [ 261.639613] ? graph_lock+0x170/0x170 [ 261.643441] ? graph_lock+0x170/0x170 [ 261.647299] do_signal+0x9c/0x21e0 [ 261.650875] ? find_held_lock+0x36/0x1c0 [ 261.654963] ? setup_sigcontext+0x7d0/0x7d0 [ 261.659304] ? kernel_wait4+0x2e0/0x3f0 [ 261.663307] ? __ia32_sys_waitid+0x140/0x140 [ 261.667741] ? task_stopped_code+0x190/0x190 [ 261.672159] ? exit_to_usermode_loop+0x8c/0x380 [ 261.676862] ? __do_page_fault+0x4a6/0xed0 [ 261.681110] ? do_syscall_64+0x9a/0x820 [ 261.685108] ? do_syscall_64+0x9a/0x820 [ 261.689110] exit_to_usermode_loop+0x2e5/0x380 [ 261.693720] ? syscall_slow_exit_work+0x520/0x520 [ 261.698583] do_syscall_64+0x6be/0x820 [ 261.702475] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 261.707849] ? syscall_return_slowpath+0x5e0/0x5e0 [ 261.712800] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 261.717672] ? trace_hardirqs_off+0x300/0x300 [ 261.722182] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 261.727211] ? prepare_exit_to_usermode+0x291/0x3b0 [ 261.732242] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 261.737110] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 261.742305] RIP: 0033:0x410e7a [ 261.745502] Code: Bad RIP value. [ 261.748863] RSP: 002b:00007ffdfa797988 EFLAGS: 00000246 ORIG_RAX: 000000000000003d [ 261.756589] RAX: fffffffffffffe00 RBX: 00000000000014f2 RCX: 0000000000410e7a [ 261.763881] RDX: 0000000040000000 RSI: 00007ffdfa797994 RDI: ffffffffffffffff [ 261.771179] RBP: 0000000000930b28 R08: 00000000000014e7 R09: 00000000024eb940 [ 261.778473] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010 [ 261.785771] R13: 0000000000412a80 R14: 0000000000000000 R15: 0000000000000000 [ 261.793101] warn_alloc_show_mem: 1 callbacks suppressed [ 261.793115] CPU: 0 PID: 9562 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51 [ 261.793117] Mem-Info: [ 261.793148] active_anon:43308 inactive_anon:372 isolated_anon:0 [ 261.793148] active_file:9 inactive_file:26 isolated_file:0 [ 261.793148] unevictable:0 dirty:0 writeback:0 unstable:0 [ 261.793148] slab_reclaimable:8855 slab_unreclaimable:1462387 [ 261.793148] mapped:57522 shmem:379 pagetables:727 bounce:0 [ 261.793148] free:13711 free_pcp:202 free_cma:0 [ 261.798514] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 261.798527] Call Trace: [ 261.805751] Node 0 active_anon:173232kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 261.808167] [ 261.840967] Node 0 [ 261.850341] dump_stack+0x1c4/0x2b4 [ 261.852924] 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 [ 261.880689] ? dump_stack_print_info.cold.2+0x52/0x52 [ 261.882818] lowmem_reserve[]: [ 261.885072] warn_alloc.cold.118+0xb7/0x1bd [ 261.888668] 0 [ 261.914238] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 261.919405] 2817 [ 261.922509] ? lock_downgrade+0x900/0x900 [ 261.926806] 6321 [ 261.928618] ? trace_hardirqs_off+0xb8/0x300 [ 261.933433] 6321 [ 261.935502] ? trace_hardirqs_off+0xb8/0x300 [ 261.939622] Node 0 [ 261.941694] __alloc_pages_slowpath+0x2667/0x2d80 [ 261.946098] DMA32 free:24940kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 261.948160] ? warn_alloc+0x120/0x120 [ 261.952518] lowmem_reserve[]: 0 [ 261.954773] ? trace_hardirqs_on+0x310/0x310 [ 261.959580] 0 3503 [ 261.986430] ? warn_alloc+0x120/0x120 [ 261.990211] 3503 [ 261.993488] ? print_usage_bug+0xc0/0xc0 [ 262.000103] ? warn_alloc+0x120/0x120 [ 262.003881] Node 0 [ 262.005941] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 262.010003] Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:169136kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5568kB pagetables:2908kB bounce:0kB free_pcp:808kB local_pcp:692kB free_cma:0kB [ 262.013774] ? print_usage_bug+0xc0/0xc0 [ 262.015984] lowmem_reserve[]: [ 262.021010] ? __lock_acquire+0x7ec/0x4ec0 [ 262.049458] 0 [ 262.053533] ? __lock_acquire+0x7ec/0x4ec0 [ 262.056615] 0 [ 262.060859] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 262.062626] 0 0 [ 262.066890] ? should_fail+0x22d/0xd01 [ 262.074224] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 262.076176] Node 0 [ 262.080074] ? __lock_acquire+0x7ec/0x4ec0 [ 262.085142] DMA: 1*4kB [ 262.087388] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 262.091595] (U) [ 262.094183] ? __lock_acquire+0x7ec/0x4ec0 [ 262.099258] 0*8kB 0*16kB [ 262.101254] ? should_fail+0x22d/0xd01 [ 262.105454] 1*32kB (U) [ 262.108220] ? print_usage_bug+0xc0/0xc0 [ 262.112083] 2*64kB [ 262.114670] ? mark_held_locks+0x130/0x130 [ 262.118696] (U) [ 262.120928] ? mark_held_locks+0x130/0x130 [ 262.125132] 1*128kB (U) [ 262.127119] ? graph_lock+0x170/0x170 [ 262.131327] 1*256kB (U) [ 262.134015] ? print_usage_bug+0xc0/0xc0 [ 262.137790] 0*512kB [ 262.140453] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 262.140471] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.144512] 1*1024kB [ 262.146840] ? check_preemption_disabled+0x48/0x200 [ 262.151567] (U) 1*2048kB [ 262.157124] ? check_preemption_disabled+0x48/0x200 [ 262.157152] ? __lock_is_held+0xb5/0x140 [ 262.159537] (M) [ 262.164557] __alloc_pages_nodemask+0xa80/0xde0 [ 262.167289] 3*4096kB [ 262.172300] ? graph_lock+0x170/0x170 [ 262.176346] (M) [ 262.178342] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 262.182984] = 15908kB [ 262.182994] Node 0 [ 262.185415] ? graph_lock+0x170/0x170 [ 262.189187] DMA32: 3*4kB [ 262.191191] ? find_held_lock+0x36/0x1c0 [ 262.196175] (UM) [ 262.198595] ? ____cache_alloc_node+0x1c7/0x1e0 [ 262.200791] 2*8kB (U) [ 262.204596] ? lock_downgrade+0x900/0x900 [ 262.207324] 5*16kB (UM) [ 262.211417] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.213443] 2*32kB (UM) [ 262.218123] cache_grow_begin+0x91/0x8c0 [ 262.220592] 3*64kB [ 262.224764] ? do_raw_spin_unlock+0xa7/0x2f0 [ 262.227419] (UM) [ 262.233204] fallback_alloc+0x203/0x2e0 [ 262.235854] 4*128kB [ 262.239910] ____cache_alloc_node+0x1c7/0x1e0 [ 262.242117] (UM) [ 262.246522] kmem_cache_alloc_node+0xe3/0x730 [ 262.248564] 2*256kB [ 262.252532] ? ipv6_get_ifaddr+0x42e/0x620 [ 262.254830] (M) [ 262.259573] __alloc_skb+0x119/0x770 [ 262.261614] 4*512kB [ 262.266111] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 262.268428] (UM) [ 262.272657] ? skb_scrub_packet+0x490/0x490 [ 262.274604] 3*1024kB (M) [ 262.278328] ? lock_downgrade+0x900/0x900 [ 262.280636] 1*2048kB [ 262.285915] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.287949] (U) [ 262.292520] ? refcount_sub_and_test_checked+0x203/0x310 [ 262.295253] 4*4096kB [ 262.299412] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 262.301796] (M) [ 262.307345] ? addrconf_rs_timer+0x6f0/0x6f0 [ 262.309294] = 24940kB [ 262.314747] ndisc_alloc_skb+0x144/0x340 [ 262.317126] Node 0 [ 262.322591] ndisc_send_rs+0x331/0x6e0 [ 262.324544] Normal: [ 262.328950] addrconf_rs_timer+0x3c0/0x6f0 [ 262.331336] 667*4kB [ 262.335395] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.337603] (UMEH) [ 262.341495] call_timer_fn+0x272/0x920 [ 262.343787] 358*8kB [ 262.348021] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.350319] (UMEH) [ 262.354560] ? process_timeout+0x40/0x40 [ 262.356769] 191*16kB [ 262.360650] ? find_held_lock+0x36/0x1c0 [ 262.362951] (UMEH) [ 262.367192] ? __run_timers+0x7da/0xc70 [ 262.369400] 81*32kB [ 262.373456] ? _raw_spin_unlock_irq+0x27/0x80 [ 262.375844] (UMEH) [ 262.379914] ? _raw_spin_unlock_irq+0x27/0x80 [ 262.382131] 30*64kB [ 262.386101] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.388397] (UMH) [ 262.392889] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 262.395098] 1*128kB [ 262.399588] ? trace_hardirqs_on+0xbd/0x310 [ 262.401881] (M) [ 262.406118] ? kasan_check_read+0x11/0x20 [ 262.408236] 3*256kB (UH) [ 262.412821] ? __run_timers+0x7da/0xc70 [ 262.415127] 0*512kB [ 262.419469] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 262.421422] 0*1024kB [ 262.425565] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.428303] 0*2048kB [ 262.432295] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 262.434594] 0*4096kB [ 262.440046] __run_timers+0x7e5/0xc70 [ 262.442424] = 13996kB [ 262.442439] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 262.446696] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 262.449092] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 262.453337] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 262.455715] 414 total pagecache pages [ 262.459521] ? graph_lock+0x170/0x170 [ 262.461917] 0 pages in swap cache [ 262.470746] ? enqueue_hrtimer+0x1a5/0x560 [ 262.476089] Swap cache stats: add 0, delete 0, find 0/0 [ 262.476098] Free swap = 0kB [ 262.484696] ? lock_release+0x970/0x970 [ 262.489690] Total swap = 0kB [ 262.493483] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 262.497257] 1965979 pages RAM [ 262.500708] ? find_held_lock+0x36/0x1c0 [ 262.504913] 0 pages HighMem/MovableOnly [ 262.504923] 342744 pages reserved [ 262.510301] ? graph_lock+0x170/0x170 [ 262.513297] 0 pages cma reserved [ 262.513375] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 262.517289] ? pvclock_read_flags+0x160/0x160 [ 262.517307] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.517335] ? check_preemption_disabled+0x48/0x200 [ 262.520390] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 262.525532] ? __lock_is_held+0xb5/0x140 [ 262.528608] syz-executor1 cpuset= [ 262.532667] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.536637] / [ 262.540095] ? check_preemption_disabled+0x48/0x200 [ 262.543872] mems_allowed=0 [ 262.547235] run_timer_softirq+0x52/0xb0 [ 262.605895] ? rcu_read_lock_sched_held+0x108/0x120 [ 262.610929] __do_softirq+0x30b/0xad8 [ 262.614761] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 262.619900] ? pvclock_read_flags+0x160/0x160 [ 262.624400] ? lapic_next_event+0x5a/0x90 [ 262.628559] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.634113] ? check_preemption_disabled+0x48/0x200 [ 262.639134] ? check_preemption_disabled+0x48/0x200 [ 262.644165] ? kvm_clock_read+0x18/0x30 [ 262.648144] ? kvm_sched_clock_read+0x9/0x20 [ 262.652572] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.658133] ? check_preemption_disabled+0x48/0x200 [ 262.663179] irq_exit+0x17f/0x1c0 [ 262.666639] smp_apic_timer_interrupt+0x1cb/0x760 [ 262.671484] ? smp_reschedule_interrupt+0x109/0x650 [ 262.676506] ? smp_call_function_single_interrupt+0x650/0x650 [ 262.682394] ? interrupt_entry+0xb5/0xf0 [ 262.686469] ? trace_hardirqs_off_caller+0xbb/0x300 [ 262.691487] ? trace_hardirqs_off_caller+0xbb/0x300 [ 262.696505] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 262.701357] ? trace_hardirqs_off+0x300/0x300 [ 262.705855] ? trace_hardirqs_off+0x300/0x300 [ 262.710362] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 262.715906] ? check_preemption_disabled+0x48/0x200 [ 262.720925] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 262.726476] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 262.731353] apic_timer_interrupt+0xf/0x20 [ 262.735590] [ 262.737853] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 262.742828] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 262.761767] RSP: 0000:ffff88019f217748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 262.769483] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 262.776769] RDX: 0000000000000000 RSI: ffff88019f972d00 RDI: 0000000000000282 [ 262.784040] RBP: ffff88019f2177b0 R08: ffff88019f972480 R09: 0000000000000000 [ 262.791317] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 262.798610] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 262.805929] skb_clone+0x1bb/0x500 [ 262.809473] ? finish_task_switch+0x2f5/0x900 [ 262.813986] ? skb_split+0x11e0/0x11e0 [ 262.817873] ? preempt_notifier_register+0x200/0x200 [ 262.822976] ? __switch_to_asm+0x34/0x70 [ 262.827037] ? __switch_to_asm+0x34/0x70 [ 262.831103] ? __switch_to_asm+0x40/0x70 [ 262.835165] ? __switch_to_asm+0x34/0x70 [ 262.839227] ? __switch_to_asm+0x40/0x70 [ 262.843288] ? __switch_to_asm+0x34/0x70 [ 262.847364] ? __switch_to_asm+0x40/0x70 [ 262.851433] ? __switch_to_asm+0x34/0x70 [ 262.855505] ? __switch_to_asm+0x34/0x70 [ 262.859574] ? __switch_to_asm+0x40/0x70 [ 262.863645] ? __switch_to_asm+0x34/0x70 [ 262.867724] bpf_clone_redirect+0xb9/0x490 [ 262.871964] ? __schedule+0x874/0x1ed0 [ 262.875865] bpf_prog_a2323609a0d1adb1+0x624/0x1000 [ 262.880891] ? __sched_text_start+0x8/0x8 [ 262.885042] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 262.889819] ? find_held_lock+0x36/0x1c0 [ 262.893892] ? lock_acquire+0x1ed/0x520 [ 262.897884] ? bpf_test_run+0x32e/0x5a0 [ 262.901878] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 262.907417] ? check_preemption_disabled+0x48/0x200 [ 262.912444] ? kasan_check_read+0x11/0x20 [ 262.916594] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 262.921872] ? rcu_bh_qs+0xc0/0xc0 [ 262.925415] ? preempt_schedule+0x4d/0x60 [ 262.929564] ? ___preempt_schedule+0x16/0x18 [ 262.933984] ? bpf_test_run+0x1c0/0x5a0 [ 262.937972] ? netlink_diag_dump+0x2a0/0x2a0 [ 262.942386] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 262.947940] ? bpf_test_init.isra.9+0x70/0x100 [ 262.952565] ? bpf_prog_test_run_skb+0x634/0xb40 [ 262.957340] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 262.962190] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 262.967742] ? fput+0x130/0x1a0 [ 262.971030] ? __bpf_prog_get+0x9b/0x290 [ 262.975106] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 262.979952] ? bpf_prog_test_run+0x130/0x1a0 [ 262.984367] ? __x64_sys_bpf+0x3d8/0x510 [ 262.988431] ? bpf_prog_get+0x20/0x20 [ 262.992257] ? do_syscall_64+0x1b9/0x820 [ 262.996336] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 263.001703] ? syscall_return_slowpath+0x5e0/0x5e0 [ 263.006638] ? trace_hardirqs_off+0x300/0x300 [ 263.011149] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 263.016183] ? recalc_sigpending_tsk+0x180/0x180 [ 263.020967] ? kasan_check_write+0x14/0x20 [ 263.025232] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 263.030097] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 263.035487] CPU: 1 PID: 5351 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51 [ 263.035560] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 263.042694] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 263.042700] Call Trace: [ 263.042706] [ 263.042728] dump_stack+0x1c4/0x2b4 [ 263.042743] ? dump_stack_print_info.cold.2+0x52/0x52 [ 263.042770] warn_alloc.cold.118+0xb7/0x1bd [ 263.049359] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 263.058615] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 263.061181] syz-executor0 cpuset= [ 263.063335] ? lock_downgrade+0x900/0x900 [ 263.066939] syz0 [ 263.072132] ? trace_hardirqs_off+0xb8/0x300 [ 263.076431] mems_allowed=0 [ 263.086922] ? trace_hardirqs_off+0xb8/0x300 [ 263.113049] __alloc_pages_slowpath+0x2667/0x2d80 [ 263.117966] ? warn_alloc+0x120/0x120 [ 263.121787] ? warn_alloc+0x120/0x120 [ 263.125950] ? print_usage_bug+0xc0/0xc0 [ 263.130041] ? warn_alloc+0x120/0x120 [ 263.133872] ? print_usage_bug+0xc0/0xc0 [ 263.137948] ? __lock_acquire+0x7ec/0x4ec0 [ 263.142193] ? __lock_acquire+0x7ec/0x4ec0 [ 263.146447] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 263.151997] ? should_fail+0x22d/0xd01 [ 263.155897] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 263.161016] ? __lock_acquire+0x7ec/0x4ec0 [ 263.165282] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 263.170396] ? __lock_acquire+0x7ec/0x4ec0 [ 263.174635] ? should_fail+0x22d/0xd01 [ 263.178539] ? mark_held_locks+0x130/0x130 [ 263.182785] ? mark_held_locks+0x130/0x130 [ 263.187052] ? graph_lock+0x170/0x170 [ 263.190891] ? graph_lock+0x170/0x170 [ 263.194718] ? graph_lock+0x170/0x170 [ 263.198530] ? print_usage_bug+0xc0/0xc0 [ 263.202612] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.208171] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.213731] ? check_preemption_disabled+0x48/0x200 [ 263.218768] ? check_preemption_disabled+0x48/0x200 [ 263.223817] ? __lock_is_held+0xb5/0x140 [ 263.227898] __alloc_pages_nodemask+0xa80/0xde0 [ 263.232569] ? graph_lock+0x170/0x170 [ 263.236376] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 263.241389] ? graph_lock+0x170/0x170 [ 263.245219] ? find_held_lock+0x36/0x1c0 [ 263.249299] ? ____cache_alloc_node+0x1c7/0x1e0 [ 263.253984] ? lock_downgrade+0x900/0x900 [ 263.258646] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.264192] cache_grow_begin+0x91/0x8c0 [ 263.268262] ? do_raw_spin_unlock+0xa7/0x2f0 [ 263.272683] fallback_alloc+0x203/0x2e0 [ 263.276665] ____cache_alloc_node+0x1c7/0x1e0 [ 263.281175] kmem_cache_alloc_node+0xe3/0x730 [ 263.285675] ? ipv6_get_ifaddr+0x42e/0x620 [ 263.289922] __alloc_skb+0x119/0x770 [ 263.293637] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 263.298929] ? skb_scrub_packet+0x490/0x490 [ 263.303279] ? lock_downgrade+0x900/0x900 [ 263.307460] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.313016] ? refcount_sub_and_test_checked+0x203/0x310 [ 263.318490] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 263.323949] ? addrconf_rs_timer+0x6f0/0x6f0 [ 263.328374] ndisc_alloc_skb+0x144/0x340 [ 263.332442] ndisc_send_rs+0x331/0x6e0 [ 263.336339] addrconf_rs_timer+0x3c0/0x6f0 [ 263.340583] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.344843] call_timer_fn+0x272/0x920 [ 263.348742] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.353007] ? process_timeout+0x40/0x40 [ 263.357096] ? find_held_lock+0x36/0x1c0 [ 263.361186] ? __run_timers+0x7da/0xc70 [ 263.365174] ? _raw_spin_unlock_irq+0x27/0x80 [ 263.369679] ? _raw_spin_unlock_irq+0x27/0x80 [ 263.374188] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.378426] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 263.383017] ? trace_hardirqs_on+0xbd/0x310 [ 263.387344] ? kasan_check_read+0x11/0x20 [ 263.391501] ? __run_timers+0x7da/0xc70 [ 263.395484] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 263.400943] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.405188] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 263.409430] __run_timers+0x7e5/0xc70 [ 263.413255] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 263.418631] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 263.423653] ? graph_lock+0x170/0x170 [ 263.427461] ? enqueue_hrtimer+0x1a5/0x560 [ 263.431696] ? lock_release+0x970/0x970 [ 263.435676] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 263.440886] ? find_held_lock+0x36/0x1c0 [ 263.444987] ? pvclock_read_flags+0x160/0x160 [ 263.449506] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.455082] ? check_preemption_disabled+0x48/0x200 [ 263.460134] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 263.465701] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 263.470989] ? rcu_pm_notify+0xc0/0xc0 [ 263.474883] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.480441] ? check_preemption_disabled+0x48/0x200 [ 263.485494] run_timer_softirq+0x52/0xb0 [ 263.489567] ? rcu_read_lock_sched_held+0x108/0x120 [ 263.494593] __do_softirq+0x30b/0xad8 [ 263.498421] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 263.503546] ? pvclock_read_flags+0x160/0x160 [ 263.508046] ? lapic_next_event+0x5a/0x90 [ 263.512209] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.517755] ? check_preemption_disabled+0x48/0x200 [ 263.522778] ? check_preemption_disabled+0x48/0x200 [ 263.527806] ? kvm_clock_read+0x18/0x30 [ 263.531794] ? kvm_sched_clock_read+0x9/0x20 [ 263.536224] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.541784] ? check_preemption_disabled+0x48/0x200 [ 263.546840] irq_exit+0x17f/0x1c0 [ 263.550317] smp_apic_timer_interrupt+0x1cb/0x760 [ 263.555181] ? smp_reschedule_interrupt+0x109/0x650 [ 263.560217] ? smp_call_function_single_interrupt+0x650/0x650 [ 263.566138] ? interrupt_entry+0xb5/0xf0 [ 263.570228] ? trace_hardirqs_off_caller+0xbb/0x300 [ 263.575286] ? trace_hardirqs_off_caller+0xbb/0x300 [ 263.580322] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 263.585183] ? trace_hardirqs_off+0x300/0x300 [ 263.589682] ? trace_hardirqs_off+0x300/0x300 [ 263.594183] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.599726] ? check_preemption_disabled+0x48/0x200 [ 263.604750] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.610308] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 263.615165] apic_timer_interrupt+0xf/0x20 [ 263.619394] [ 263.621637] RIP: 0010:_raw_write_unlock_irq+0x56/0x80 [ 263.626841] Code: 52 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d ab aa 92 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 f0 ec 95 f9 65 8b 05 a9 6e 42 78 85 c0 74 05 5b [ 263.645763] RSP: 0018:ffff8801d8cf7350 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 263.653488] RAX: dffffc0000000000 RBX: ffffffff894090c0 RCX: 0000000000000000 [ 263.660772] RDX: 1ffffffff12a4537 RSI: 0000000000000001 RDI: ffffffff895229b8 [ 263.668069] RBP: ffff8801d8cf7358 R08: ffff8801c24ca580 R09: 0000000000000000 [ 263.675360] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d70737c0 [ 263.682649] R13: ffff8801d8cf7490 R14: 0000000000000000 R15: ffff8801c24cab00 [ 263.689980] do_exit+0x11ef/0x2610 [ 263.693544] ? mem_cgroup_commit_charge+0x275/0x9d0 [ 263.698588] ? mm_update_next_owner+0x990/0x990 [ 263.703265] ? print_usage_bug+0xc0/0xc0 [ 263.707325] ? graph_lock+0x170/0x170 [ 263.711138] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.716680] ? check_preemption_disabled+0x48/0x200 [ 263.721701] ? check_preemption_disabled+0x48/0x200 [ 263.726722] ? print_usage_bug+0xc0/0xc0 [ 263.730793] ? __lock_acquire+0x7ec/0x4ec0 [ 263.735038] ? __lock_acquire+0x7ec/0x4ec0 [ 263.739303] ? mark_held_locks+0x130/0x130 [ 263.743556] ? mark_held_locks+0x130/0x130 [ 263.747811] ? finish_task_switch+0x1b5/0x900 [ 263.752319] ? __switch_to_asm+0x34/0x70 [ 263.756389] ? __switch_to_asm+0x34/0x70 [ 263.760456] ? __switch_to_asm+0x34/0x70 [ 263.764521] ? __switch_to_asm+0x40/0x70 [ 263.768609] ? __switch_to_asm+0x34/0x70 [ 263.772680] ? __switch_to_asm+0x40/0x70 [ 263.776770] ? __switch_to_asm+0x34/0x70 [ 263.780850] ? __switch_to_asm+0x34/0x70 [ 263.784921] ? __switch_to_asm+0x34/0x70 [ 263.788986] ? __switch_to_asm+0x34/0x70 [ 263.793050] ? __switch_to_asm+0x40/0x70 [ 263.797125] ? __switch_to_asm+0x34/0x70 [ 263.801187] ? __switch_to_asm+0x40/0x70 [ 263.805261] ? graph_lock+0x170/0x170 [ 263.809079] ? graph_lock+0x170/0x170 [ 263.812887] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 263.818429] ? wait_consider_task+0x245/0x3bb0 [ 263.823040] ? memset+0x31/0x40 [ 263.826339] ? find_held_lock+0x36/0x1c0 [ 263.830412] ? get_signal+0x95b/0x1980 [ 263.834309] ? _raw_spin_unlock_irq+0x27/0x80 [ 263.838806] ? _raw_spin_unlock_irq+0x27/0x80 [ 263.843320] do_group_exit+0x177/0x440 [ 263.847235] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 263.852719] ? __ia32_sys_exit+0x50/0x50 [ 263.856810] get_signal+0x8b0/0x1980 [ 263.860549] ? ptrace_notify+0x130/0x130 [ 263.864610] ? do_wait+0x57d/0xb90 [ 263.868163] ? wait_consider_task+0x3bb0/0x3bb0 [ 263.872838] ? graph_lock+0x170/0x170 [ 263.876643] ? graph_lock+0x170/0x170 [ 263.880451] ? graph_lock+0x170/0x170 [ 263.884281] do_signal+0x9c/0x21e0 [ 263.887863] ? find_held_lock+0x36/0x1c0 [ 263.891967] ? setup_sigcontext+0x7d0/0x7d0 [ 263.896313] ? kernel_wait4+0x2e0/0x3f0 [ 263.900309] ? __ia32_sys_waitid+0x140/0x140 [ 263.904843] ? task_stopped_code+0x190/0x190 [ 263.909274] ? exit_to_usermode_loop+0x8c/0x380 [ 263.913984] ? __do_page_fault+0x4a6/0xed0 [ 263.918228] ? do_syscall_64+0x9a/0x820 [ 263.922230] ? do_syscall_64+0x9a/0x820 [ 263.926217] exit_to_usermode_loop+0x2e5/0x380 [ 263.930809] ? syscall_slow_exit_work+0x520/0x520 [ 263.935671] do_syscall_64+0x6be/0x820 [ 263.939568] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 263.944958] ? syscall_return_slowpath+0x5e0/0x5e0 [ 263.949904] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 263.954754] ? trace_hardirqs_off+0x300/0x300 [ 263.959261] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 263.964298] ? prepare_exit_to_usermode+0x291/0x3b0 [ 263.969341] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 263.974200] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 263.979391] RIP: 0033:0x410e7a [ 263.982590] Code: Bad RIP value. [ 263.985954] RSP: 002b:00007ffdfa797988 EFLAGS: 00000246 ORIG_RAX: 000000000000003d [ 263.993663] RAX: fffffffffffffe00 RBX: 00000000000014f2 RCX: 0000000000410e7a [ 264.000933] RDX: 0000000040000000 RSI: 00007ffdfa797994 RDI: ffffffffffffffff [ 264.008206] RBP: 0000000000930b28 R08: 00000000000014e7 R09: 00000000024eb940 [ 264.015473] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010 [ 264.022763] R13: 0000000000412a80 R14: 0000000000000000 R15: 0000000000000000 [ 264.030088] warn_alloc_show_mem: 1 callbacks suppressed [ 264.030101] CPU: 0 PID: 9562 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51 [ 264.030102] Mem-Info: [ 264.030132] active_anon:43308 inactive_anon:372 isolated_anon:0 [ 264.030132] active_file:9 inactive_file:26 isolated_file:0 [ 264.030132] unevictable:0 dirty:0 writeback:0 unstable:0 [ 264.030132] slab_reclaimable:8855 slab_unreclaimable:1462387 [ 264.030132] mapped:57522 shmem:379 pagetables:727 bounce:0 [ 264.030132] free:13711 free_pcp:202 free_cma:0 [ 264.035484] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 264.042725] Node 0 active_anon:173232kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 264.045138] Call Trace: [ 264.077939] Node 0 [ 264.087305] [ 264.115093] 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 [ 264.117659] dump_stack+0x1c4/0x2b4 [ 264.119866] lowmem_reserve[]: [ 264.122011] ? dump_stack_print_info.cold.2+0x52/0x52 [ 264.147501] 0 2817 [ 264.151161] warn_alloc.cold.118+0xb7/0x1bd [ 264.154224] 6321 [ 264.159414] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 264.161623] 6321 [ 264.165957] ? lock_downgrade+0x900/0x900 [ 264.167998] Node 0 [ 264.172847] ? trace_hardirqs_off+0xb8/0x300 [ 264.174907] DMA32 free:24940kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 264.179029] ? trace_hardirqs_off+0xb8/0x300 [ 264.181241] lowmem_reserve[]: [ 264.185649] __alloc_pages_slowpath+0x2667/0x2d80 [ 264.212430] 0 0 [ 264.216893] ? warn_alloc+0x120/0x120 [ 264.219965] 3503 [ 264.224820] ? trace_hardirqs_on+0x310/0x310 [ 264.226795] 3503 [ 264.230592] ? warn_alloc+0x120/0x120 [ 264.237029] ? print_usage_bug+0xc0/0xc0 [ 264.239074] Node 0 [ 264.242867] ? warn_alloc+0x120/0x120 [ 264.246928] Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:169136kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5568kB pagetables:2908kB bounce:0kB free_pcp:808kB local_pcp:692kB free_cma:0kB [ 264.249139] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 264.252917] lowmem_reserve[]: [ 264.281757] ? print_usage_bug+0xc0/0xc0 [ 264.286766] 0 [ 264.289876] ? __lock_acquire+0x7ec/0x4ec0 [ 264.293908] 0 0 [ 264.295722] ? __lock_acquire+0x7ec/0x4ec0 [ 264.299941] 0 [ 264.301936] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 264.306155] Node 0 [ 264.307975] ? should_fail+0x22d/0xd01 [ 264.313500] DMA: [ 264.315755] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 264.319630] 1*4kB [ 264.321706] ? __lock_acquire+0x7ec/0x4ec0 [ 264.321726] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 264.326813] (U) 0*8kB [ 264.328989] ? __lock_acquire+0x7ec/0x4ec0 [ 264.333206] 0*16kB 1*32kB [ 264.338346] ? should_fail+0x22d/0xd01 [ 264.340809] (U) [ 264.345043] ? print_usage_bug+0xc0/0xc0 [ 264.347867] 2*64kB [ 264.351759] ? mark_held_locks+0x130/0x130 [ 264.353724] (U) [ 264.357791] ? mark_held_locks+0x130/0x130 [ 264.359998] 1*128kB (U) [ 264.364239] ? graph_lock+0x170/0x170 [ 264.366190] 1*256kB [ 264.370426] ? print_usage_bug+0xc0/0xc0 [ 264.373080] (U) [ 264.376890] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 264.379190] 0*512kB [ 264.383245] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.385194] 1*1024kB [ 264.389949] ? check_preemption_disabled+0x48/0x200 [ 264.392246] (U) [ 264.397804] ? check_preemption_disabled+0x48/0x200 [ 264.400190] 1*2048kB [ 264.405226] ? __lock_is_held+0xb5/0x140 [ 264.407235] (M) [ 264.412268] __alloc_pages_nodemask+0xa80/0xde0 [ 264.414657] 3*4096kB (M) [ 264.418738] ? graph_lock+0x170/0x170 [ 264.420688] = 15908kB [ 264.420697] Node 0 [ 264.425370] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 264.428104] DMA32: [ 264.431913] ? graph_lock+0x170/0x170 [ 264.434305] 3*4kB [ 264.436564] ? find_held_lock+0x36/0x1c0 [ 264.441578] (UM) [ 264.443832] ? ____cache_alloc_node+0x1c7/0x1e0 [ 264.447621] 2*8kB (U) [ 264.449809] ? lock_downgrade+0x900/0x900 [ 264.453855] 5*16kB (UM) [ 264.455945] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.460577] 2*32kB (UM) [ 264.463102] cache_grow_begin+0x91/0x8c0 [ 264.467223] 3*64kB [ 264.469897] ? do_raw_spin_unlock+0xa7/0x2f0 [ 264.475411] (UM) [ 264.478103] fallback_alloc+0x203/0x2e0 [ 264.482132] 4*128kB [ 264.484398] ____cache_alloc_node+0x1c7/0x1e0 [ 264.488779] (UM) 2*256kB [ 264.490861] kmem_cache_alloc_node+0xe3/0x730 [ 264.494818] (M) [ 264.497154] ? ipv6_get_ifaddr+0x42e/0x620 [ 264.501630] 4*512kB [ 264.504406] __alloc_skb+0x119/0x770 [ 264.508864] (UM) 3*1024kB [ 264.510854] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 264.515082] (M) [ 264.517421] ? skb_scrub_packet+0x490/0x490 [ 264.521139] 1*2048kB [ 264.524013] ? lock_downgrade+0x900/0x900 [ 264.529268] (U) 4*4096kB [ 264.531284] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.535589] (M) [ 264.538014] ? refcount_sub_and_test_checked+0x203/0x310 [ 264.542151] = 24940kB [ 264.544933] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 264.550460] Node 0 [ 264.552448] ? addrconf_rs_timer+0x6f0/0x6f0 [ 264.557878] Normal: [ 264.560302] ndisc_alloc_skb+0x144/0x340 [ 264.565727] 667*4kB [ 264.567973] ndisc_send_rs+0x331/0x6e0 [ 264.572375] (UMEH) [ 264.574718] addrconf_rs_timer+0x3c0/0x6f0 [ 264.578759] 358*8kB [ 264.581103] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 264.584959] (UMEH) [ 264.587208] call_timer_fn+0x272/0x920 [ 264.591425] 191*16kB [ 264.593760] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 264.597976] (UMEH) [ 264.600216] ? process_timeout+0x40/0x40 [ 264.604080] 81*32kB [ 264.606486] ? find_held_lock+0x36/0x1c0 [ 264.610695] (UMEH) [ 264.612938] ? __run_timers+0x7da/0xc70 [ 264.616967] 30*64kB [ 264.619284] ? _raw_spin_unlock_irq+0x27/0x80 [ 264.623320] (UMH) [ 264.625557] ? _raw_spin_unlock_irq+0x27/0x80 [ 264.629506] 1*128kB (M) [ 264.631845] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 264.636315] 3*256kB [ 264.638468] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 264.642936] (UH) [ 264.645608] ? trace_hardirqs_on+0xbd/0x310 [ 264.649831] 0*512kB [ 264.652161] ? kasan_check_read+0x11/0x20 [ 264.656717] 0*1024kB [ 264.658785] ? __run_timers+0x7da/0xc70 [ 264.663084] 0*2048kB [ 264.665410] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 264.669546] 0*4096kB = 13996kB [ 264.672001] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 264.675991] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 264.678425] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 264.683883] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 264.687120] __run_timers+0x7e5/0xc70 [ 264.691346] 414 total pagecache pages [ 264.691369] 0 pages in swap cache [ 264.700232] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 264.704448] Swap cache stats: add 0, delete 0, find 0/0 [ 264.704458] Free swap = 0kB [ 264.713055] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 264.716839] Total swap = 0kB [ 264.716847] 1965979 pages RAM [ 264.720647] ? graph_lock+0x170/0x170 [ 264.724079] 0 pages HighMem/MovableOnly [ 264.729445] ? enqueue_hrtimer+0x1a5/0x560 [ 264.734780] 342744 pages reserved [ 264.734788] 0 pages cma reserved [ 264.737811] ? lock_release+0x970/0x970 [ 264.742884] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 264.745829] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 264.749033] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 264.752725] ? find_held_lock+0x36/0x1c0 [ 264.756676] syz-executor1 cpuset= [ 264.760906] ? graph_lock+0x170/0x170 [ 264.764337] / [ 264.767696] ? pvclock_read_flags+0x160/0x160 [ 264.771649] mems_allowed=0 [ 264.778134] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.819734] ? check_preemption_disabled+0x48/0x200 [ 264.824784] ? __lock_is_held+0xb5/0x140 [ 264.828874] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.834436] ? check_preemption_disabled+0x48/0x200 [ 264.839474] run_timer_softirq+0x52/0xb0 [ 264.843540] ? rcu_read_lock_sched_held+0x108/0x120 [ 264.848571] __do_softirq+0x30b/0xad8 [ 264.852393] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 264.857510] ? pvclock_read_flags+0x160/0x160 [ 264.862011] ? lapic_next_event+0x5a/0x90 [ 264.866165] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.871712] ? check_preemption_disabled+0x48/0x200 [ 264.876792] ? check_preemption_disabled+0x48/0x200 [ 264.881821] ? kvm_clock_read+0x18/0x30 [ 264.885804] ? kvm_sched_clock_read+0x9/0x20 [ 264.890231] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 264.895776] ? check_preemption_disabled+0x48/0x200 [ 264.900817] irq_exit+0x17f/0x1c0 [ 264.904296] smp_apic_timer_interrupt+0x1cb/0x760 [ 264.909179] ? smp_reschedule_interrupt+0x109/0x650 [ 264.914228] ? smp_call_function_single_interrupt+0x650/0x650 [ 264.920142] ? interrupt_entry+0xb5/0xf0 [ 264.924223] ? trace_hardirqs_off_caller+0xbb/0x300 [ 264.929254] ? trace_hardirqs_off_caller+0xbb/0x300 [ 264.934305] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 264.939169] ? trace_hardirqs_off+0x300/0x300 [ 264.943669] ? trace_hardirqs_off+0x300/0x300 [ 264.948173] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 264.953725] ? check_preemption_disabled+0x48/0x200 [ 264.958761] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 264.964322] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 264.969188] apic_timer_interrupt+0xf/0x20 [ 264.973418] [ 264.975663] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 264.980601] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 264.999515] RSP: 0000:ffff88019f217748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 265.007237] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 265.014519] RDX: 0000000000000000 RSI: ffff88019f972d00 RDI: 0000000000000282 [ 265.021799] RBP: ffff88019f2177b0 R08: ffff88019f972480 R09: 0000000000000000 [ 265.029088] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 265.036379] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 265.043721] skb_clone+0x1bb/0x500 [ 265.047286] ? finish_task_switch+0x2f5/0x900 [ 265.051808] ? skb_split+0x11e0/0x11e0 [ 265.055728] ? preempt_notifier_register+0x200/0x200 [ 265.060852] ? __switch_to_asm+0x34/0x70 [ 265.064942] ? __switch_to_asm+0x34/0x70 [ 265.069015] ? __switch_to_asm+0x40/0x70 [ 265.073098] ? __switch_to_asm+0x34/0x70 [ 265.077182] ? __switch_to_asm+0x40/0x70 [ 265.081256] ? __switch_to_asm+0x34/0x70 [ 265.085334] ? __switch_to_asm+0x40/0x70 [ 265.089396] ? __switch_to_asm+0x34/0x70 [ 265.093465] ? __switch_to_asm+0x34/0x70 [ 265.097533] ? __switch_to_asm+0x40/0x70 [ 265.101595] ? __switch_to_asm+0x34/0x70 [ 265.105674] bpf_clone_redirect+0xb9/0x490 [ 265.109918] ? __schedule+0x874/0x1ed0 [ 265.113819] bpf_prog_a2323609a0d1adb1+0x624/0x1000 [ 265.118843] ? __sched_text_start+0x8/0x8 [ 265.123005] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 265.128311] ? find_held_lock+0x36/0x1c0 [ 265.132415] ? lock_acquire+0x1ed/0x520 [ 265.136396] ? bpf_test_run+0x32e/0x5a0 [ 265.140383] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.145931] ? check_preemption_disabled+0x48/0x200 [ 265.150968] ? kasan_check_read+0x11/0x20 [ 265.155130] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 265.160429] ? rcu_bh_qs+0xc0/0xc0 [ 265.163985] ? preempt_schedule+0x4d/0x60 [ 265.168150] ? ___preempt_schedule+0x16/0x18 [ 265.172587] ? bpf_test_run+0x1c0/0x5a0 [ 265.176588] ? netlink_diag_dump+0x2a0/0x2a0 [ 265.181018] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 265.186572] ? bpf_test_init.isra.9+0x70/0x100 [ 265.191179] ? bpf_prog_test_run_skb+0x634/0xb40 [ 265.195958] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 265.200821] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 265.206394] ? fput+0x130/0x1a0 [ 265.209704] ? __bpf_prog_get+0x9b/0x290 [ 265.213799] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 265.218672] ? bpf_prog_test_run+0x130/0x1a0 [ 265.223127] ? __x64_sys_bpf+0x3d8/0x510 [ 265.227220] ? bpf_prog_get+0x20/0x20 [ 265.231077] ? do_syscall_64+0x1b9/0x820 [ 265.235161] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 265.240555] ? syscall_return_slowpath+0x5e0/0x5e0 [ 265.245515] ? trace_hardirqs_off+0x300/0x300 [ 265.250030] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 265.255074] ? recalc_sigpending_tsk+0x180/0x180 [ 265.259845] ? kasan_check_write+0x14/0x20 [ 265.264100] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 265.268958] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 265.274358] CPU: 1 PID: 5351 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51 [ 265.274434] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 265.281562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 265.281568] Call Trace: [ 265.281586] [ 265.281605] dump_stack+0x1c4/0x2b4 [ 265.281621] ? dump_stack_print_info.cold.2+0x52/0x52 [ 265.281660] warn_alloc.cold.118+0xb7/0x1bd [ 265.288279] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 265.297517] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 265.300093] syz-executor0 cpuset= [ 265.302248] ? lock_downgrade+0x900/0x900 [ 265.305854] syz0 [ 265.311069] ? trace_hardirqs_off+0xb8/0x300 [ 265.315371] mems_allowed=0 [ 265.325871] ? trace_hardirqs_off+0xb8/0x300 [ 265.351962] __alloc_pages_slowpath+0x2667/0x2d80 [ 265.356888] ? warn_alloc+0x120/0x120 [ 265.360705] ? trace_hardirqs_on+0x310/0x310 [ 265.365123] ? warn_alloc+0x120/0x120 [ 265.368941] ? print_usage_bug+0xc0/0xc0 [ 265.373014] ? warn_alloc+0x120/0x120 [ 265.376821] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 265.381855] ? print_usage_bug+0xc0/0xc0 [ 265.385935] ? __lock_acquire+0x7ec/0x4ec0 [ 265.390196] ? __lock_acquire+0x7ec/0x4ec0 [ 265.394468] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 265.400039] ? should_fail+0x22d/0xd01 [ 265.403962] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 265.409102] ? __lock_acquire+0x7ec/0x4ec0 [ 265.413399] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 265.418539] ? __lock_acquire+0x7ec/0x4ec0 [ 265.422800] ? should_fail+0x22d/0xd01 [ 265.426713] ? print_usage_bug+0xc0/0xc0 [ 265.430800] ? mark_held_locks+0x130/0x130 [ 265.435071] ? mark_held_locks+0x130/0x130 [ 265.439334] ? graph_lock+0x170/0x170 [ 265.443160] ? print_usage_bug+0xc0/0xc0 [ 265.447251] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 265.452032] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.457603] ? check_preemption_disabled+0x48/0x200 [ 265.462649] ? check_preemption_disabled+0x48/0x200 [ 265.467705] ? __lock_is_held+0xb5/0x140 [ 265.471800] __alloc_pages_nodemask+0xa80/0xde0 [ 265.476496] ? graph_lock+0x170/0x170 [ 265.480312] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 265.485337] ? graph_lock+0x170/0x170 [ 265.489165] ? find_held_lock+0x36/0x1c0 [ 265.493250] ? ____cache_alloc_node+0x1c7/0x1e0 [ 265.497936] ? lock_downgrade+0x900/0x900 [ 265.502124] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.507690] cache_grow_begin+0x91/0x8c0 [ 265.511772] ? do_raw_spin_unlock+0xa7/0x2f0 [ 265.516217] fallback_alloc+0x203/0x2e0 [ 265.520229] ____cache_alloc_node+0x1c7/0x1e0 [ 265.524763] kmem_cache_alloc_node+0xe3/0x730 [ 265.529284] ? ipv6_get_ifaddr+0x42e/0x620 [ 265.533555] __alloc_skb+0x119/0x770 [ 265.537291] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 265.542605] ? skb_scrub_packet+0x490/0x490 [ 265.546952] ? lock_downgrade+0x900/0x900 [ 265.551131] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.556691] ? refcount_sub_and_test_checked+0x203/0x310 [ 265.562179] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 265.567667] ? addrconf_rs_timer+0x6f0/0x6f0 [ 265.572109] ndisc_alloc_skb+0x144/0x340 [ 265.576200] ndisc_send_rs+0x331/0x6e0 [ 265.580115] addrconf_rs_timer+0x3c0/0x6f0 [ 265.584369] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.588628] call_timer_fn+0x272/0x920 [ 265.592522] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.596770] ? process_timeout+0x40/0x40 [ 265.600847] ? find_held_lock+0x36/0x1c0 [ 265.604942] ? __run_timers+0x7da/0xc70 [ 265.608932] ? _raw_spin_unlock_irq+0x27/0x80 [ 265.613442] ? _raw_spin_unlock_irq+0x27/0x80 [ 265.617951] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.622207] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 265.626843] ? trace_hardirqs_on+0xbd/0x310 [ 265.631198] ? kasan_check_read+0x11/0x20 [ 265.635378] ? __run_timers+0x7da/0xc70 [ 265.639387] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 265.644885] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.649157] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 265.653423] __run_timers+0x7e5/0xc70 [ 265.657269] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 265.662670] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 265.667897] ? graph_lock+0x170/0x170 [ 265.671736] ? enqueue_hrtimer+0x1a5/0x560 [ 265.675994] ? lock_release+0x970/0x970 [ 265.679994] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 265.685212] ? find_held_lock+0x36/0x1c0 [ 265.689301] ? pvclock_read_flags+0x160/0x160 [ 265.693829] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.699392] ? check_preemption_disabled+0x48/0x200 [ 265.704452] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 265.710023] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 265.715339] ? rcu_pm_notify+0xc0/0xc0 [ 265.719251] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.724813] ? check_preemption_disabled+0x48/0x200 [ 265.729873] run_timer_softirq+0x52/0xb0 [ 265.733958] ? rcu_read_lock_sched_held+0x108/0x120 [ 265.739008] __do_softirq+0x30b/0xad8 [ 265.742858] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 265.748000] ? pvclock_read_flags+0x160/0x160 [ 265.752521] ? lapic_next_event+0x5a/0x90 [ 265.756695] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.762265] ? check_preemption_disabled+0x48/0x200 [ 265.767315] ? check_preemption_disabled+0x48/0x200 [ 265.772367] ? kvm_clock_read+0x18/0x30 [ 265.776372] ? kvm_sched_clock_read+0x9/0x20 [ 265.780808] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.786404] ? check_preemption_disabled+0x48/0x200 [ 265.791463] irq_exit+0x17f/0x1c0 [ 265.794950] smp_apic_timer_interrupt+0x1cb/0x760 [ 265.799822] ? smp_reschedule_interrupt+0x109/0x650 [ 265.804889] ? smp_call_function_single_interrupt+0x650/0x650 [ 265.810805] ? interrupt_entry+0xb5/0xf0 [ 265.814907] ? trace_hardirqs_off_caller+0xbb/0x300 [ 265.819957] ? trace_hardirqs_off_caller+0xbb/0x300 [ 265.825008] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 265.829886] ? trace_hardirqs_off+0x300/0x300 [ 265.834404] ? trace_hardirqs_off+0x300/0x300 [ 265.838931] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.844501] ? check_preemption_disabled+0x48/0x200 [ 265.849548] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.855134] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 265.860017] apic_timer_interrupt+0xf/0x20 [ 265.864261] [ 265.866514] RIP: 0010:_raw_write_unlock_irq+0x56/0x80 [ 265.871716] Code: 52 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d ab aa 92 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 f0 ec 95 f9 65 8b 05 a9 6e 42 78 85 c0 74 05 5b [ 265.890631] RSP: 0018:ffff8801d8cf7350 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 265.898360] RAX: dffffc0000000000 RBX: ffffffff894090c0 RCX: 0000000000000000 [ 265.905640] RDX: 1ffffffff12a4537 RSI: 0000000000000001 RDI: ffffffff895229b8 [ 265.912930] RBP: ffff8801d8cf7358 R08: ffff8801c24ca580 R09: 0000000000000000 [ 265.920214] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d70737c0 [ 265.927503] R13: ffff8801d8cf7490 R14: 0000000000000000 R15: ffff8801c24cab00 [ 265.934823] do_exit+0x11ef/0x2610 [ 265.938381] ? mem_cgroup_commit_charge+0x275/0x9d0 [ 265.943424] ? mm_update_next_owner+0x990/0x990 [ 265.948112] ? print_usage_bug+0xc0/0xc0 [ 265.952181] ? graph_lock+0x170/0x170 [ 265.955992] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 265.961535] ? check_preemption_disabled+0x48/0x200 [ 265.966556] ? check_preemption_disabled+0x48/0x200 [ 265.971596] ? print_usage_bug+0xc0/0xc0 [ 265.975668] ? __lock_acquire+0x7ec/0x4ec0 [ 265.979922] ? __lock_acquire+0x7ec/0x4ec0 [ 265.984184] ? mark_held_locks+0x130/0x130 [ 265.988442] ? mark_held_locks+0x130/0x130 [ 265.992688] ? finish_task_switch+0x1b5/0x900 [ 265.997190] ? __switch_to_asm+0x34/0x70 [ 266.001266] ? __switch_to_asm+0x34/0x70 [ 266.005338] ? __switch_to_asm+0x34/0x70 [ 266.009403] ? __switch_to_asm+0x40/0x70 [ 266.013464] ? __switch_to_asm+0x34/0x70 [ 266.017530] ? __switch_to_asm+0x40/0x70 [ 266.021601] ? __switch_to_asm+0x34/0x70 [ 266.025682] ? __switch_to_asm+0x34/0x70 [ 266.029766] ? __switch_to_asm+0x34/0x70 [ 266.033854] ? __switch_to_asm+0x34/0x70 [ 266.037932] ? __switch_to_asm+0x40/0x70 [ 266.042009] ? __switch_to_asm+0x34/0x70 [ 266.046119] ? __switch_to_asm+0x40/0x70 [ 266.050220] ? graph_lock+0x170/0x170 [ 266.054027] ? graph_lock+0x170/0x170 [ 266.057839] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.063401] ? wait_consider_task+0x245/0x3bb0 [ 266.068027] ? memset+0x31/0x40 [ 266.071337] ? find_held_lock+0x36/0x1c0 [ 266.075418] ? get_signal+0x95b/0x1980 [ 266.079321] ? _raw_spin_unlock_irq+0x27/0x80 [ 266.083820] ? _raw_spin_unlock_irq+0x27/0x80 [ 266.088333] do_group_exit+0x177/0x440 [ 266.092226] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 266.097677] ? __ia32_sys_exit+0x50/0x50 [ 266.101760] get_signal+0x8b0/0x1980 [ 266.105498] ? ptrace_notify+0x130/0x130 [ 266.109566] ? do_wait+0x57d/0xb90 [ 266.113123] ? wait_consider_task+0x3bb0/0x3bb0 [ 266.117796] ? graph_lock+0x170/0x170 [ 266.121603] ? graph_lock+0x170/0x170 [ 266.125407] ? graph_lock+0x170/0x170 [ 266.129227] do_signal+0x9c/0x21e0 [ 266.132772] ? find_held_lock+0x36/0x1c0 [ 266.136869] ? setup_sigcontext+0x7d0/0x7d0 [ 266.141196] ? kernel_wait4+0x2e0/0x3f0 [ 266.145176] ? __ia32_sys_waitid+0x140/0x140 [ 266.149591] ? task_stopped_code+0x190/0x190 [ 266.154007] ? exit_to_usermode_loop+0x8c/0x380 [ 266.158695] ? __do_page_fault+0x4a6/0xed0 [ 266.162941] ? do_syscall_64+0x9a/0x820 [ 266.166928] ? do_syscall_64+0x9a/0x820 [ 266.170920] exit_to_usermode_loop+0x2e5/0x380 [ 266.175518] ? syscall_slow_exit_work+0x520/0x520 [ 266.180394] do_syscall_64+0x6be/0x820 [ 266.184304] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 266.189701] ? syscall_return_slowpath+0x5e0/0x5e0 [ 266.194649] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 266.199515] ? trace_hardirqs_off+0x300/0x300 [ 266.204032] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 266.209083] ? prepare_exit_to_usermode+0x291/0x3b0 [ 266.214115] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 266.218982] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 266.224177] RIP: 0033:0x410e7a [ 266.227374] Code: Bad RIP value. [ 266.230733] RSP: 002b:00007ffdfa797988 EFLAGS: 00000246 ORIG_RAX: 000000000000003d [ 266.238469] RAX: fffffffffffffe00 RBX: 00000000000014f2 RCX: 0000000000410e7a [ 266.245777] RDX: 0000000040000000 RSI: 00007ffdfa797994 RDI: ffffffffffffffff [ 266.253082] RBP: 0000000000930b28 R08: 00000000000014e7 R09: 00000000024eb940 [ 266.260898] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010 [ 266.268174] R13: 0000000000412a80 R14: 0000000000000000 R15: 0000000000000000 [ 266.275475] warn_alloc_show_mem: 1 callbacks suppressed [ 266.275487] CPU: 0 PID: 9562 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51 [ 266.275489] Mem-Info: [ 266.275518] active_anon:43308 inactive_anon:372 isolated_anon:0 [ 266.275518] active_file:9 inactive_file:26 isolated_file:0 [ 266.275518] unevictable:0 dirty:0 writeback:0 unstable:0 [ 266.275518] slab_reclaimable:8855 slab_unreclaimable:1462387 [ 266.275518] mapped:57522 shmem:379 pagetables:727 bounce:0 [ 266.275518] free:13711 free_pcp:202 free_cma:0 [ 266.280867] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 266.288080] Node 0 active_anon:173232kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 266.290485] Call Trace: [ 266.323279] Node 0 [ 266.332633] [ 266.360418] 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 [ 266.362982] dump_stack+0x1c4/0x2b4 [ 266.365185] lowmem_reserve[]: 0 [ 266.367352] ? dump_stack_print_info.cold.2+0x52/0x52 [ 266.392860] 2817 6321 [ 266.396526] warn_alloc.cold.118+0xb7/0x1bd [ 266.399752] 6321 [ 266.404958] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 266.407437] Node 0 [ 266.411819] ? lock_downgrade+0x900/0x900 [ 266.413890] DMA32 free:24940kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 266.418722] ? trace_hardirqs_off+0xb8/0x300 [ 266.420934] lowmem_reserve[]: [ 266.425088] ? trace_hardirqs_off+0xb8/0x300 [ 266.451885] 0 [ 266.456310] __alloc_pages_slowpath+0x2667/0x2d80 [ 266.459373] 0 [ 266.463803] ? warn_alloc+0x120/0x120 [ 266.465557] 3503 [ 266.470395] ? warn_alloc+0x120/0x120 [ 266.472172] 3503 [ 266.475965] ? print_usage_bug+0xc0/0xc0 [ 266.481800] ? warn_alloc+0x120/0x120 [ 266.483843] Node 0 [ 266.487906] ? print_usage_bug+0xc0/0xc0 [ 266.491713] Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:169136kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5568kB pagetables:2908kB bounce:0kB free_pcp:808kB local_pcp:692kB free_cma:0kB [ 266.493931] ? graph_lock+0x170/0x170 [ 266.497960] lowmem_reserve[]: 0 [ 266.526449] ? kvm_sched_clock_read+0x9/0x20 [ 266.530241] 0 [ 266.533538] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 266.537931] 0 [ 266.539747] ? should_fail+0x22d/0xd01 [ 266.545257] 0 [ 266.547110] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 266.550969] Node 0 [ 266.552789] ? __lock_acquire+0x7ec/0x4ec0 [ 266.557860] DMA: 1*4kB [ 266.560116] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 266.564318] (U) 0*8kB [ 266.567101] ? __lock_acquire+0x7ec/0x4ec0 [ 266.572192] 0*16kB [ 266.574698] ? should_fail+0x22d/0xd01 [ 266.578908] 1*32kB [ 266.581156] ? mark_held_locks+0x130/0x130 [ 266.585010] (U) [ 266.587257] ? mark_held_locks+0x130/0x130 [ 266.591474] 2*64kB [ 266.593463] ? select_task_rq_fair+0x754/0x34f0 [ 266.597671] (U) [ 266.599908] ? lock_downgrade+0x900/0x900 [ 266.604547] 1*128kB [ 266.606520] ? check_preemption_disabled+0x48/0x200 [ 266.610638] (U) [ 266.612963] ? graph_lock+0x170/0x170 [ 266.617949] 1*256kB (U) [ 266.619927] ? print_usage_bug+0xc0/0xc0 [ 266.623704] 0*512kB [ 266.626374] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.630402] 1*1024kB (U) [ 266.632735] ? check_preemption_disabled+0x48/0x200 [ 266.638245] 1*2048kB [ 266.640999] ? check_preemption_disabled+0x48/0x200 [ 266.645982] (M) 3*4096kB [ 266.648407] ? __lock_is_held+0xb5/0x140 [ 266.653389] (M) [ 266.656148] __alloc_pages_nodemask+0xa80/0xde0 [ 266.660175] = 15908kB [ 266.660183] Node 0 [ 266.662160] ? graph_lock+0x170/0x170 [ 266.666816] DMA32: 3*4kB [ 266.669240] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 266.671447] (UM) [ 266.675254] ? graph_lock+0x170/0x170 [ 266.677991] 2*8kB [ 266.683021] ? find_held_lock+0x36/0x1c0 [ 266.685052] (U) [ 266.688865] ? ____cache_alloc_node+0x1c7/0x1e0 [ 266.690979] 5*16kB (UM) [ 266.695045] ? lock_downgrade+0x900/0x900 [ 266.697001] 2*32kB [ 266.701688] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.704330] (UM) 3*64kB [ 266.708524] cache_grow_begin+0x91/0x8c0 [ 266.710732] (UM) [ 266.716265] ? do_raw_spin_unlock+0xa7/0x2f0 [ 266.718966] 4*128kB [ 266.723029] fallback_alloc+0x203/0x2e0 [ 266.725073] (UM) [ 266.729486] ____cache_alloc_node+0x1c7/0x1e0 [ 266.731784] 2*256kB (M) [ 266.735766] kmem_cache_alloc_node+0xe3/0x730 [ 266.737803] 4*512kB [ 266.742294] ? ipv6_get_ifaddr+0x42e/0x620 [ 266.744939] (UM) [ 266.749436] __alloc_skb+0x119/0x770 [ 266.751731] 3*1024kB [ 266.755964] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 266.757998] (M) [ 266.761706] ? skb_scrub_packet+0x490/0x490 [ 266.764097] 1*2048kB [ 266.769383] ? lock_downgrade+0x900/0x900 [ 266.771332] (U) 4*4096kB [ 266.775671] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 266.778058] (M) [ 266.782217] ? refcount_sub_and_test_checked+0x203/0x310 [ 266.784943] = 24940kB [ 266.784959] Node 0 [ 266.790504] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 266.792457] Normal: [ 266.797908] ? addrconf_rs_timer+0x6f0/0x6f0 [ 266.800299] 667*4kB [ 266.802539] ndisc_alloc_skb+0x144/0x340 [ 266.807954] (UMEH) [ 266.810276] ndisc_send_rs+0x331/0x6e0 [ 266.814667] 358*8kB [ 266.817008] addrconf_rs_timer+0x3c0/0x6f0 [ 266.821038] (UMEH) [ 266.823348] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.827198] 191*16kB [ 266.829532] call_timer_fn+0x272/0x920 [ 266.833730] (UMEH) [ 266.835968] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.840175] 81*32kB [ 266.842584] ? process_timeout+0x40/0x40 [ 266.846444] (UMEH) [ 266.848682] ? find_held_lock+0x36/0x1c0 [ 266.852895] 30*64kB [ 266.855221] ? __run_timers+0x7da/0xc70 [ 266.859251] (UMH) [ 266.861488] ? _raw_spin_unlock_irq+0x27/0x80 [ 266.865516] 1*128kB (M) [ 266.867844] ? _raw_spin_unlock_irq+0x27/0x80 [ 266.867861] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.871814] 3*256kB [ 266.873963] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 266.878432] (UH) [ 266.881108] ? trace_hardirqs_on+0xbd/0x310 [ 266.885580] 0*512kB [ 266.889860] ? kasan_check_read+0x11/0x20 [ 266.892167] 0*1024kB [ 266.896804] ? __run_timers+0x7da/0xc70 [ 266.898846] 0*2048kB [ 266.903200] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 266.905503] 0*4096kB [ 266.909673] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 266.912055] = 13996kB [ 266.916042] __run_timers+0x7e5/0xc70 [ 266.918435] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 266.923894] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 266.926276] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 266.930508] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 266.932892] 414 total pagecache pages [ 266.936700] ? graph_lock+0x170/0x170 [ 266.945527] 0 pages in swap cache [ 266.950904] ? enqueue_hrtimer+0x1a5/0x560 [ 266.959465] Swap cache stats: add 0, delete 0, find 0/0 [ 266.964479] ? lock_release+0x970/0x970 [ 266.968252] Free swap = 0kB [ 266.972047] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 266.975474] Total swap = 0kB [ 266.979703] ? find_held_lock+0x36/0x1c0 [ 266.985049] 1965979 pages RAM [ 266.989047] ? graph_lock+0x170/0x170 [ 266.992041] 0 pages HighMem/MovableOnly [ 266.992050] 342744 pages reserved [ 266.997252] ? pvclock_read_flags+0x160/0x160 [ 267.000251] 0 pages cma reserved [ 267.004313] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.007453] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 267.011188] ? check_preemption_disabled+0x48/0x200 [ 267.015274] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 267.018593] ? __lock_is_held+0xb5/0x140 [ 267.023055] syz-executor1 cpuset= [ 267.026427] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.031935] / [ 267.038429] ? check_preemption_disabled+0x48/0x200 [ 267.043421] mems_allowed=0 [ 267.053927] run_timer_softirq+0x52/0xb0 [ 267.080655] ? rcu_read_lock_sched_held+0x108/0x120 [ 267.085708] __do_softirq+0x30b/0xad8 [ 267.089552] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 267.094687] ? pvclock_read_flags+0x160/0x160 [ 267.099193] ? lapic_next_event+0x5a/0x90 [ 267.103351] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.108900] ? check_preemption_disabled+0x48/0x200 [ 267.113927] ? check_preemption_disabled+0x48/0x200 [ 267.118965] ? kvm_clock_read+0x18/0x30 [ 267.122951] ? kvm_sched_clock_read+0x9/0x20 [ 267.127838] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.133382] ? check_preemption_disabled+0x48/0x200 [ 267.138413] irq_exit+0x17f/0x1c0 [ 267.141873] smp_apic_timer_interrupt+0x1cb/0x760 [ 267.146724] ? smp_reschedule_interrupt+0x109/0x650 [ 267.151747] ? smp_call_function_single_interrupt+0x650/0x650 [ 267.157636] ? interrupt_entry+0xb5/0xf0 [ 267.161704] ? trace_hardirqs_off_caller+0xbb/0x300 [ 267.166726] ? trace_hardirqs_off_caller+0xbb/0x300 [ 267.171753] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 267.176602] ? trace_hardirqs_off+0x300/0x300 [ 267.181102] ? trace_hardirqs_off+0x300/0x300 [ 267.185602] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 267.191146] ? check_preemption_disabled+0x48/0x200 [ 267.196162] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 267.201715] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 267.206571] apic_timer_interrupt+0xf/0x20 [ 267.210806] [ 267.213049] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 267.217997] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 267.236933] RSP: 0000:ffff88019f217748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 267.244660] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 267.251931] RDX: 0000000000000000 RSI: ffff88019f972d00 RDI: 0000000000000282 [ 267.259198] RBP: ffff88019f2177b0 R08: ffff88019f972480 R09: 0000000000000000 [ 267.266472] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 267.273756] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 267.281091] skb_clone+0x1bb/0x500 [ 267.284638] ? finish_task_switch+0x2f5/0x900 [ 267.289139] ? skb_split+0x11e0/0x11e0 [ 267.293031] ? preempt_notifier_register+0x200/0x200 [ 267.298161] ? __switch_to_asm+0x34/0x70 [ 267.302254] ? __switch_to_asm+0x34/0x70 [ 267.306354] ? __switch_to_asm+0x40/0x70 [ 267.310436] ? __switch_to_asm+0x34/0x70 [ 267.314513] ? __switch_to_asm+0x40/0x70 [ 267.318586] ? __switch_to_asm+0x34/0x70 [ 267.322656] ? __switch_to_asm+0x40/0x70 [ 267.326718] ? __switch_to_asm+0x34/0x70 [ 267.330782] ? __switch_to_asm+0x34/0x70 [ 267.334849] ? __switch_to_asm+0x40/0x70 [ 267.338917] ? __switch_to_asm+0x34/0x70 [ 267.343005] bpf_clone_redirect+0xb9/0x490 [ 267.347271] ? __schedule+0x874/0x1ed0 [ 267.351193] bpf_prog_a2323609a0d1adb1+0x624/0x1000 [ 267.356242] ? __sched_text_start+0x8/0x8 [ 267.360395] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 267.365180] ? find_held_lock+0x36/0x1c0 [ 267.369258] ? lock_acquire+0x1ed/0x520 [ 267.373238] ? bpf_test_run+0x32e/0x5a0 [ 267.377220] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.382765] ? check_preemption_disabled+0x48/0x200 [ 267.387794] ? kasan_check_read+0x11/0x20 [ 267.391959] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 267.397264] ? rcu_bh_qs+0xc0/0xc0 [ 267.400830] ? preempt_schedule+0x4d/0x60 [ 267.404998] ? ___preempt_schedule+0x16/0x18 [ 267.409440] ? bpf_test_run+0x1c0/0x5a0 [ 267.413437] ? netlink_diag_dump+0x2a0/0x2a0 [ 267.417868] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 267.423425] ? bpf_test_init.isra.9+0x70/0x100 [ 267.428026] ? bpf_prog_test_run_skb+0x634/0xb40 [ 267.432797] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 267.437664] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 267.443224] ? fput+0x130/0x1a0 [ 267.446525] ? __bpf_prog_get+0x9b/0x290 [ 267.450614] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 267.455492] ? bpf_prog_test_run+0x130/0x1a0 [ 267.459932] ? __x64_sys_bpf+0x3d8/0x510 [ 267.464017] ? bpf_prog_get+0x20/0x20 [ 267.467865] ? do_syscall_64+0x1b9/0x820 [ 267.471952] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 267.477354] ? syscall_return_slowpath+0x5e0/0x5e0 [ 267.482306] ? trace_hardirqs_off+0x300/0x300 [ 267.486827] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 267.491857] ? recalc_sigpending_tsk+0x180/0x180 [ 267.496629] ? kasan_check_write+0x14/0x20 [ 267.500879] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 267.505736] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 267.511133] CPU: 1 PID: 5351 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51 [ 267.511204] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 267.518349] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 267.518356] Call Trace: [ 267.518363] [ 267.518386] dump_stack+0x1c4/0x2b4 [ 267.518400] ? dump_stack_print_info.cold.2+0x52/0x52 [ 267.518427] warn_alloc.cold.118+0xb7/0x1bd [ 267.518445] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 267.525008] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 267.534324] ? lock_downgrade+0x900/0x900 [ 267.536898] syz-executor0 cpuset= [ 267.539060] ? trace_hardirqs_off+0xb8/0x300 [ 267.542653] syz0 [ 267.548391] ? trace_hardirqs_off+0xb8/0x300 [ 267.552689] mems_allowed=0 [ 267.557536] __alloc_pages_slowpath+0x2667/0x2d80 [ 267.594148] ? warn_alloc+0x120/0x120 [ 267.597971] ? warn_alloc+0x120/0x120 [ 267.601784] ? print_usage_bug+0xc0/0xc0 [ 267.605852] ? warn_alloc+0x120/0x120 [ 267.609668] ? print_usage_bug+0xc0/0xc0 [ 267.613737] ? __lock_acquire+0x7ec/0x4ec0 [ 267.617988] ? __lock_acquire+0x7ec/0x4ec0 [ 267.622232] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 267.627772] ? should_fail+0x22d/0xd01 [ 267.631670] ? __lock_acquire+0x7ec/0x4ec0 [ 267.635918] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 267.641032] ? __lock_acquire+0x7ec/0x4ec0 [ 267.645287] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 267.650403] ? __lock_acquire+0x7ec/0x4ec0 [ 267.654651] ? should_fail+0x22d/0xd01 [ 267.658576] ? mark_held_locks+0x130/0x130 [ 267.662840] ? mark_held_locks+0x130/0x130 [ 267.667101] ? graph_lock+0x170/0x170 [ 267.670911] ? print_usage_bug+0xc0/0xc0 [ 267.674983] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.680554] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.686129] ? check_preemption_disabled+0x48/0x200 [ 267.691169] ? check_preemption_disabled+0x48/0x200 [ 267.696215] ? __lock_is_held+0xb5/0x140 [ 267.700286] __alloc_pages_nodemask+0xa80/0xde0 [ 267.704962] ? graph_lock+0x170/0x170 [ 267.708795] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 267.713816] ? graph_lock+0x170/0x170 [ 267.717647] ? find_held_lock+0x36/0x1c0 [ 267.721791] ? ____cache_alloc_node+0x1c7/0x1e0 [ 267.726475] ? lock_downgrade+0x900/0x900 [ 267.730637] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.736184] cache_grow_begin+0x91/0x8c0 [ 267.740258] ? do_raw_spin_unlock+0xa7/0x2f0 [ 267.744688] fallback_alloc+0x203/0x2e0 [ 267.748691] ____cache_alloc_node+0x1c7/0x1e0 [ 267.753213] kmem_cache_alloc_node+0xe3/0x730 [ 267.757729] ? ipv6_get_ifaddr+0x42e/0x620 [ 267.761977] __alloc_skb+0x119/0x770 [ 267.765700] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 267.770989] ? skb_scrub_packet+0x490/0x490 [ 267.775316] ? lock_downgrade+0x900/0x900 [ 267.779475] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.785020] ? refcount_sub_and_test_checked+0x203/0x310 [ 267.790482] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 267.795947] ? addrconf_rs_timer+0x6f0/0x6f0 [ 267.800386] ndisc_alloc_skb+0x144/0x340 [ 267.804467] ndisc_send_rs+0x331/0x6e0 [ 267.808375] addrconf_rs_timer+0x3c0/0x6f0 [ 267.812624] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.816890] call_timer_fn+0x272/0x920 [ 267.820794] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.825054] ? process_timeout+0x40/0x40 [ 267.829143] ? find_held_lock+0x36/0x1c0 [ 267.833238] ? __run_timers+0x7da/0xc70 [ 267.837239] ? _raw_spin_unlock_irq+0x27/0x80 [ 267.841754] ? _raw_spin_unlock_irq+0x27/0x80 [ 267.846270] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.850519] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 267.855114] ? trace_hardirqs_on+0xbd/0x310 [ 267.859441] ? kasan_check_read+0x11/0x20 [ 267.863594] ? __run_timers+0x7da/0xc70 [ 267.867578] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 267.873057] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 267.877322] __run_timers+0x7e5/0xc70 [ 267.881158] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 267.886550] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 267.891597] ? graph_lock+0x170/0x170 [ 267.895433] ? enqueue_hrtimer+0x1a5/0x560 [ 267.899689] ? lock_release+0x970/0x970 [ 267.903697] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 267.908940] ? find_held_lock+0x36/0x1c0 [ 267.913044] ? pvclock_read_flags+0x160/0x160 [ 267.917579] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.923142] ? check_preemption_disabled+0x48/0x200 [ 267.928192] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 267.933741] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 267.939037] ? rcu_pm_notify+0xc0/0xc0 [ 267.942947] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.948497] ? check_preemption_disabled+0x48/0x200 [ 267.953535] run_timer_softirq+0x52/0xb0 [ 267.957614] ? rcu_read_lock_sched_held+0x108/0x120 [ 267.962655] __do_softirq+0x30b/0xad8 [ 267.966489] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 267.971622] ? pvclock_read_flags+0x160/0x160 [ 267.976163] ? lapic_next_event+0x5a/0x90 [ 267.980337] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 267.985902] ? check_preemption_disabled+0x48/0x200 [ 267.990931] ? check_preemption_disabled+0x48/0x200 [ 267.995962] ? kvm_clock_read+0x18/0x30 [ 267.999939] ? kvm_sched_clock_read+0x9/0x20 [ 268.004358] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.009957] ? check_preemption_disabled+0x48/0x200 [ 268.015103] irq_exit+0x17f/0x1c0 [ 268.018683] smp_apic_timer_interrupt+0x1cb/0x760 [ 268.023568] ? smp_reschedule_interrupt+0x109/0x650 [ 268.028601] ? smp_call_function_single_interrupt+0x650/0x650 [ 268.034499] ? interrupt_entry+0xb5/0xf0 [ 268.038578] ? trace_hardirqs_off_caller+0xbb/0x300 [ 268.043622] ? trace_hardirqs_off_caller+0xbb/0x300 [ 268.048664] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 268.053528] ? trace_hardirqs_off+0x300/0x300 [ 268.058051] ? trace_hardirqs_off+0x300/0x300 [ 268.062589] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.068156] ? check_preemption_disabled+0x48/0x200 [ 268.073209] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.078788] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 268.083664] apic_timer_interrupt+0xf/0x20 [ 268.087906] [ 268.090161] RIP: 0010:_raw_write_unlock_irq+0x56/0x80 [ 268.095372] Code: 52 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d ab aa 92 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 f0 ec 95 f9 65 8b 05 a9 6e 42 78 85 c0 74 05 5b [ 268.114291] RSP: 0018:ffff8801d8cf7350 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 268.122029] RAX: dffffc0000000000 RBX: ffffffff894090c0 RCX: 0000000000000000 [ 268.129322] RDX: 1ffffffff12a4537 RSI: 0000000000000001 RDI: ffffffff895229b8 [ 268.136602] RBP: ffff8801d8cf7358 R08: ffff8801c24ca580 R09: 0000000000000000 [ 268.143878] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d70737c0 [ 268.151153] R13: ffff8801d8cf7490 R14: 0000000000000000 R15: ffff8801c24cab00 [ 268.158465] do_exit+0x11ef/0x2610 [ 268.162014] ? mem_cgroup_commit_charge+0x275/0x9d0 [ 268.167051] ? mm_update_next_owner+0x990/0x990 [ 268.171766] ? print_usage_bug+0xc0/0xc0 [ 268.175840] ? graph_lock+0x170/0x170 [ 268.179652] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.185196] ? check_preemption_disabled+0x48/0x200 [ 268.190232] ? check_preemption_disabled+0x48/0x200 [ 268.195273] ? print_usage_bug+0xc0/0xc0 [ 268.199368] ? __lock_acquire+0x7ec/0x4ec0 [ 268.203643] ? __lock_acquire+0x7ec/0x4ec0 [ 268.207933] ? mark_held_locks+0x130/0x130 [ 268.212212] ? mark_held_locks+0x130/0x130 [ 268.216478] ? finish_task_switch+0x1b5/0x900 [ 268.221004] ? __switch_to_asm+0x34/0x70 [ 268.225105] ? __switch_to_asm+0x34/0x70 [ 268.229190] ? __switch_to_asm+0x34/0x70 [ 268.233275] ? __switch_to_asm+0x40/0x70 [ 268.237363] ? __switch_to_asm+0x34/0x70 [ 268.241441] ? __switch_to_asm+0x40/0x70 [ 268.245509] ? __switch_to_asm+0x34/0x70 [ 268.249581] ? __switch_to_asm+0x34/0x70 [ 268.253651] ? __switch_to_asm+0x34/0x70 [ 268.258208] ? __switch_to_asm+0x34/0x70 [ 268.262273] ? __switch_to_asm+0x40/0x70 [ 268.266340] ? __switch_to_asm+0x34/0x70 [ 268.270403] ? __switch_to_asm+0x40/0x70 [ 268.274484] ? graph_lock+0x170/0x170 [ 268.278310] ? graph_lock+0x170/0x170 [ 268.282133] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.287687] ? wait_consider_task+0x245/0x3bb0 [ 268.292282] ? memset+0x31/0x40 [ 268.295573] ? find_held_lock+0x36/0x1c0 [ 268.299645] ? get_signal+0x95b/0x1980 [ 268.303538] ? _raw_spin_unlock_irq+0x27/0x80 [ 268.308047] ? _raw_spin_unlock_irq+0x27/0x80 [ 268.312574] do_group_exit+0x177/0x440 [ 268.316483] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 268.321947] ? __ia32_sys_exit+0x50/0x50 [ 268.326030] get_signal+0x8b0/0x1980 [ 268.329762] ? ptrace_notify+0x130/0x130 [ 268.333825] ? do_wait+0x57d/0xb90 [ 268.337379] ? wait_consider_task+0x3bb0/0x3bb0 [ 268.343114] ? graph_lock+0x170/0x170 [ 268.346931] ? graph_lock+0x170/0x170 [ 268.350745] ? graph_lock+0x170/0x170 [ 268.354566] do_signal+0x9c/0x21e0 [ 268.358116] ? find_held_lock+0x36/0x1c0 [ 268.362204] ? setup_sigcontext+0x7d0/0x7d0 [ 268.366546] ? kernel_wait4+0x2e0/0x3f0 [ 268.370543] ? __ia32_sys_waitid+0x140/0x140 [ 268.374980] ? task_stopped_code+0x190/0x190 [ 268.379414] ? exit_to_usermode_loop+0x8c/0x380 [ 268.384122] ? __do_page_fault+0x4a6/0xed0 [ 268.388372] ? do_syscall_64+0x9a/0x820 [ 268.392370] ? do_syscall_64+0x9a/0x820 [ 268.396368] exit_to_usermode_loop+0x2e5/0x380 [ 268.400978] ? syscall_slow_exit_work+0x520/0x520 [ 268.405868] do_syscall_64+0x6be/0x820 [ 268.409778] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 268.415169] ? syscall_return_slowpath+0x5e0/0x5e0 [ 268.420122] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 268.424990] ? trace_hardirqs_off+0x300/0x300 [ 268.429527] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 268.434568] ? prepare_exit_to_usermode+0x291/0x3b0 [ 268.439618] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 268.444485] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 268.449688] RIP: 0033:0x410e7a [ 268.452891] Code: Bad RIP value. [ 268.456255] RSP: 002b:00007ffdfa797988 EFLAGS: 00000246 ORIG_RAX: 000000000000003d [ 268.463972] RAX: fffffffffffffe00 RBX: 00000000000014f2 RCX: 0000000000410e7a [ 268.471246] RDX: 0000000040000000 RSI: 00007ffdfa797994 RDI: ffffffffffffffff [ 268.478532] RBP: 0000000000930b28 R08: 00000000000014e7 R09: 00000000024eb940 [ 268.485818] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010 [ 268.493106] R13: 0000000000412a80 R14: 0000000000000000 R15: 0000000000000000 [ 268.500421] CPU: 0 PID: 9562 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51 [ 268.500427] warn_alloc_show_mem: 1 callbacks suppressed [ 268.500435] Mem-Info: [ 268.507636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 268.507648] Call Trace: [ 268.513038] active_anon:43308 inactive_anon:372 isolated_anon:0 [ 268.513038] active_file:9 inactive_file:26 isolated_file:0 [ 268.513038] unevictable:0 dirty:0 writeback:0 unstable:0 [ 268.513038] slab_reclaimable:8855 slab_unreclaimable:1462387 [ 268.513038] mapped:57522 shmem:379 pagetables:727 bounce:0 [ 268.513038] free:13711 free_pcp:202 free_cma:0 [ 268.515415] [ 268.524791] Node 0 active_anon:173232kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 268.527383] dump_stack+0x1c4/0x2b4 [ 268.560172] Node 0 [ 268.562351] ? dump_stack_print_info.cold.2+0x52/0x52 [ 268.590129] 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 [ 268.593748] warn_alloc.cold.118+0xb7/0x1bd [ 268.595951] lowmem_reserve[]: [ 268.601144] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 268.626636] 0 [ 268.630971] ? lock_downgrade+0x900/0x900 [ 268.634053] 2817 6321 [ 268.638930] ? trace_hardirqs_off+0xb8/0x300 [ 268.640706] 6321 [ 268.644858] ? trace_hardirqs_off+0xb8/0x300 [ 268.647339] Node 0 [ 268.651766] __alloc_pages_slowpath+0x2667/0x2d80 [ 268.653839] DMA32 free:24940kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 268.658255] ? warn_alloc+0x120/0x120 [ 268.660473] lowmem_reserve[]: 0 [ 268.665343] ? warn_alloc+0x120/0x120 [ 268.692133] 0 [ 268.695945] ? print_usage_bug+0xc0/0xc0 [ 268.699190] 3503 3503 [ 268.702995] ? warn_alloc+0x120/0x120 [ 268.704771] Node 0 [ 268.708839] ? print_usage_bug+0xc0/0xc0 [ 268.711352] Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:169136kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5568kB pagetables:2908kB bounce:0kB free_pcp:808kB local_pcp:692kB free_cma:0kB [ 268.715150] ? __lock_acquire+0x7ec/0x4ec0 [ 268.717374] lowmem_reserve[]: [ 268.721462] ? __lock_acquire+0x7ec/0x4ec0 [ 268.749899] 0 0 [ 268.754175] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 268.757250] 0 0 [ 268.761498] ? should_fail+0x22d/0xd01 [ 268.768977] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 268.770930] Node 0 [ 268.774826] ? __lock_acquire+0x7ec/0x4ec0 [ 268.779905] DMA: 1*4kB [ 268.782157] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 268.786457] (U) [ 268.789034] ? __lock_acquire+0x7ec/0x4ec0 [ 268.794123] 0*8kB [ 268.796116] ? should_fail+0x22d/0xd01 [ 268.800321] 0*16kB [ 268.802478] ? mark_held_locks+0x130/0x130 [ 268.806337] 1*32kB [ 268.808570] ? mark_held_locks+0x130/0x130 [ 268.812781] (U) 2*64kB [ 268.815036] ? graph_lock+0x170/0x170 [ 268.819245] (U) [ 268.821827] ? graph_lock+0x170/0x170 [ 268.825599] 1*128kB (U) [ 268.827582] ? graph_lock+0x170/0x170 [ 268.831363] 1*256kB [ 268.834039] ? print_usage_bug+0xc0/0xc0 [ 268.837819] (U) [ 268.840150] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.844182] 0*512kB [ 268.846157] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.851657] 1*1024kB (U) [ 268.853993] ? check_preemption_disabled+0x48/0x200 [ 268.859499] 1*2048kB [ 268.862265] ? check_preemption_disabled+0x48/0x200 [ 268.867276] (M) [ 268.869698] ? __lock_is_held+0xb5/0x140 [ 268.874676] 3*4096kB (M) [ 268.876672] __alloc_pages_nodemask+0xa80/0xde0 [ 268.880694] = 15908kB [ 268.880702] Node 0 [ 268.883462] ? graph_lock+0x170/0x170 [ 268.888101] DMA32: 3*4kB [ 268.890524] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 268.892732] (UM) [ 268.896529] ? graph_lock+0x170/0x170 [ 268.899261] 2*8kB [ 268.904283] ? find_held_lock+0x36/0x1c0 [ 268.906312] (U) [ 268.910125] ? ____cache_alloc_node+0x1c7/0x1e0 [ 268.912247] 5*16kB [ 268.916313] ? lock_downgrade+0x900/0x900 [ 268.918267] (UM) [ 268.922945] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.925154] 2*32kB [ 268.929313] cache_grow_begin+0x91/0x8c0 [ 268.931353] (UM) [ 268.936911] ? do_raw_spin_unlock+0xa7/0x2f0 [ 268.939136] 3*64kB [ 268.943240] fallback_alloc+0x203/0x2e0 [ 268.945285] (UM) [ 268.949718] ____cache_alloc_node+0x1c7/0x1e0 [ 268.951967] 4*128kB [ 268.955963] kmem_cache_alloc_node+0xe3/0x730 [ 268.958007] (UM) [ 268.962523] ? ipv6_get_ifaddr+0x42e/0x620 [ 268.964822] 2*256kB (M) [ 268.969343] __alloc_skb+0x119/0x770 [ 268.971377] 4*512kB [ 268.975610] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 268.978258] (UM) [ 268.981973] ? skb_scrub_packet+0x490/0x490 [ 268.984267] 3*1024kB (M) [ 268.989583] ? lock_downgrade+0x900/0x900 [ 268.991628] 1*2048kB (U) [ 268.995992] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 268.998738] 4*4096kB [ 269.002902] ? refcount_sub_and_test_checked+0x203/0x310 [ 269.005633] (M) = 24940kB [ 269.011190] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 269.013665] Node 0 [ 269.019115] ? addrconf_rs_timer+0x6f0/0x6f0 [ 269.021856] Normal: [ 269.027331] ndisc_alloc_skb+0x144/0x340 [ 269.029536] 667*4kB [ 269.033946] ndisc_send_rs+0x331/0x6e0 [ 269.036251] (UMEH) [ 269.040323] addrconf_rs_timer+0x3c0/0x6f0 [ 269.042620] 358*8kB [ 269.046505] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 269.048716] (UMEH) 191*16kB [ 269.052969] call_timer_fn+0x272/0x920 [ 269.055257] (UMEH) [ 269.059488] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 269.062482] 81*32kB [ 269.066369] ? process_timeout+0x40/0x40 [ 269.068572] (UMEH) 30*64kB [ 269.072821] ? find_held_lock+0x36/0x1c0 [ 269.075129] (UMH) [ 269.079201] ? __run_timers+0x7da/0xc70 [ 269.082104] 1*128kB (M) [ 269.086190] ? _raw_spin_unlock_irq+0x27/0x80 [ 269.088318] 3*256kB (UH) 0*512kB [ 269.092318] ? _raw_spin_unlock_irq+0x27/0x80 [ 269.094973] 0*1024kB [ 269.099478] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 269.102902] 0*2048kB 0*4096kB [ 269.107414] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 269.109802] = 13996kB [ 269.114033] ? trace_hardirqs_on+0xbd/0x310 [ 269.117206] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 269.121789] ? kasan_check_read+0x11/0x20 [ 269.124182] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 269.124192] 414 total pagecache pages [ 269.129999] ? __run_timers+0x7da/0xc70 [ 269.138846] 0 pages in swap cache [ 269.143008] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 269.151571] Swap cache stats: add 0, delete 0, find 0/0 [ 269.155380] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 269.159323] Free swap = 0kB [ 269.162789] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 269.168209] Total swap = 0kB [ 269.168218] 1965979 pages RAM [ 269.173609] __run_timers+0x7e5/0xc70 [ 269.177812] 0 pages HighMem/MovableOnly [ 269.177821] 342744 pages reserved [ 269.180846] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 269.185109] 0 pages cma reserved [ 269.188141] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 269.191278] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 269.195020] ? graph_lock+0x170/0x170 [ 269.199099] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 269.202421] ? enqueue_hrtimer+0x1a5/0x560 [ 269.207765] syz-executor1 cpuset= [ 269.211124] ? lock_release+0x970/0x970 [ 269.216113] / [ 269.222605] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 269.226400] mems_allowed=0 [ 269.236898] ? find_held_lock+0x36/0x1c0 [ 269.262404] ? graph_lock+0x170/0x170 [ 269.266213] ? pvclock_read_flags+0x160/0x160 [ 269.270729] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.276977] ? check_preemption_disabled+0x48/0x200 [ 269.282030] ? __lock_is_held+0xb5/0x140 [ 269.286118] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.291674] ? check_preemption_disabled+0x48/0x200 [ 269.296706] run_timer_softirq+0x52/0xb0 [ 269.300775] ? rcu_read_lock_sched_held+0x108/0x120 [ 269.305802] __do_softirq+0x30b/0xad8 [ 269.309616] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 269.314729] ? pvclock_read_flags+0x160/0x160 [ 269.319235] ? lapic_next_event+0x5a/0x90 [ 269.323397] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.328960] ? check_preemption_disabled+0x48/0x200 [ 269.333999] ? check_preemption_disabled+0x48/0x200 [ 269.339056] ? kvm_clock_read+0x18/0x30 [ 269.343060] ? kvm_sched_clock_read+0x9/0x20 [ 269.347495] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.353060] ? check_preemption_disabled+0x48/0x200 [ 269.358145] irq_exit+0x17f/0x1c0 [ 269.361604] smp_apic_timer_interrupt+0x1cb/0x760 [ 269.366454] ? smp_reschedule_interrupt+0x109/0x650 [ 269.371490] ? smp_call_function_single_interrupt+0x650/0x650 [ 269.377385] ? interrupt_entry+0xb5/0xf0 [ 269.381451] ? trace_hardirqs_off_caller+0xbb/0x300 [ 269.386466] ? trace_hardirqs_off_caller+0xbb/0x300 [ 269.391484] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 269.396336] ? trace_hardirqs_off+0x300/0x300 [ 269.400845] ? trace_hardirqs_off+0x300/0x300 [ 269.405365] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 269.410915] ? check_preemption_disabled+0x48/0x200 [ 269.415939] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 269.421500] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 269.426371] apic_timer_interrupt+0xf/0x20 [ 269.430609] [ 269.432863] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 269.437843] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 269.456758] RSP: 0000:ffff88019f217748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 269.464475] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 269.471753] RDX: 0000000000000000 RSI: ffff88019f972d00 RDI: 0000000000000282 [ 269.479044] RBP: ffff88019f2177b0 R08: ffff88019f972480 R09: 0000000000000000 [ 269.486347] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 269.493636] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 269.500968] skb_clone+0x1bb/0x500 [ 269.504532] ? finish_task_switch+0x2f5/0x900 [ 269.509061] ? skb_split+0x11e0/0x11e0 [ 269.512986] ? preempt_notifier_register+0x200/0x200 [ 269.518119] ? __switch_to_asm+0x34/0x70 [ 269.522196] ? __switch_to_asm+0x34/0x70 [ 269.526266] ? __switch_to_asm+0x40/0x70 [ 269.530339] ? __switch_to_asm+0x34/0x70 [ 269.534402] ? __switch_to_asm+0x40/0x70 [ 269.538466] ? __switch_to_asm+0x34/0x70 [ 269.542526] ? __switch_to_asm+0x40/0x70 [ 269.546587] ? __switch_to_asm+0x34/0x70 [ 269.550655] ? __switch_to_asm+0x34/0x70 [ 269.554716] ? __switch_to_asm+0x40/0x70 [ 269.558788] ? __switch_to_asm+0x34/0x70 [ 269.562874] bpf_clone_redirect+0xb9/0x490 [ 269.567125] ? __schedule+0x874/0x1ed0 [ 269.571023] bpf_prog_a2323609a0d1adb1+0x624/0x1000 [ 269.576048] ? __sched_text_start+0x8/0x8 [ 269.580214] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 269.584984] ? find_held_lock+0x36/0x1c0 [ 269.589058] ? lock_acquire+0x1ed/0x520 [ 269.593048] ? bpf_test_run+0x32e/0x5a0 [ 269.597036] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.602607] ? check_preemption_disabled+0x48/0x200 [ 269.607636] ? kasan_check_read+0x11/0x20 [ 269.611788] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 269.617076] ? rcu_bh_qs+0xc0/0xc0 [ 269.620622] ? preempt_schedule+0x4d/0x60 [ 269.624776] ? ___preempt_schedule+0x16/0x18 [ 269.629198] ? bpf_test_run+0x1c0/0x5a0 [ 269.633190] ? netlink_diag_dump+0x2a0/0x2a0 [ 269.637610] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 269.643151] ? bpf_test_init.isra.9+0x70/0x100 [ 269.647746] ? bpf_prog_test_run_skb+0x634/0xb40 [ 269.652530] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 269.657478] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 269.663036] ? fput+0x130/0x1a0 [ 269.666344] ? __bpf_prog_get+0x9b/0x290 [ 269.670420] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 269.675273] ? bpf_prog_test_run+0x130/0x1a0 [ 269.679690] ? __x64_sys_bpf+0x3d8/0x510 [ 269.683754] ? bpf_prog_get+0x20/0x20 [ 269.687578] ? do_syscall_64+0x1b9/0x820 [ 269.691642] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 269.697015] ? syscall_return_slowpath+0x5e0/0x5e0 [ 269.701952] ? trace_hardirqs_off+0x300/0x300 [ 269.706459] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 269.711490] ? recalc_sigpending_tsk+0x180/0x180 [ 269.716262] ? kasan_check_write+0x14/0x20 [ 269.720523] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 269.725390] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 269.730791] CPU: 1 PID: 5351 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51 [ 269.730862] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 269.738003] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 269.738009] Call Trace: [ 269.738015] [ 269.738036] dump_stack+0x1c4/0x2b4 [ 269.738052] ? dump_stack_print_info.cold.2+0x52/0x52 [ 269.738089] warn_alloc.cold.118+0xb7/0x1bd [ 269.744633] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 269.753946] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 269.756515] syz-executor0 cpuset= [ 269.758672] ? lock_downgrade+0x900/0x900 [ 269.762265] syz0 [ 269.767464] ? trace_hardirqs_off+0xb8/0x300 [ 269.771762] mems_allowed=0 [ 269.804051] ? trace_hardirqs_off+0xb8/0x300 [ 269.808492] __alloc_pages_slowpath+0x2667/0x2d80 [ 269.813384] ? warn_alloc+0x120/0x120 [ 269.817215] ? trace_hardirqs_on+0x310/0x310 [ 269.821648] ? warn_alloc+0x120/0x120 [ 269.825475] ? print_usage_bug+0xc0/0xc0 [ 269.829554] ? warn_alloc+0x120/0x120 [ 269.833374] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 269.838416] ? print_usage_bug+0xc0/0xc0 [ 269.842514] ? __lock_acquire+0x7ec/0x4ec0 [ 269.846783] ? __lock_acquire+0x7ec/0x4ec0 [ 269.851045] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 269.856609] ? should_fail+0x22d/0xd01 [ 269.860612] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 269.865732] ? __lock_acquire+0x7ec/0x4ec0 [ 269.869993] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 269.875120] ? __lock_acquire+0x7ec/0x4ec0 [ 269.879373] ? should_fail+0x22d/0xd01 [ 269.883285] ? print_usage_bug+0xc0/0xc0 [ 269.887384] ? mark_held_locks+0x130/0x130 [ 269.891648] ? mark_held_locks+0x130/0x130 [ 269.895923] ? graph_lock+0x170/0x170 [ 269.899754] ? print_usage_bug+0xc0/0xc0 [ 269.903848] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 269.908637] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.914214] ? check_preemption_disabled+0x48/0x200 [ 269.919261] ? check_preemption_disabled+0x48/0x200 [ 269.924324] ? __lock_is_held+0xb5/0x140 [ 269.928426] __alloc_pages_nodemask+0xa80/0xde0 [ 269.933127] ? graph_lock+0x170/0x170 [ 269.936951] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 269.941985] ? graph_lock+0x170/0x170 [ 269.945824] ? find_held_lock+0x36/0x1c0 [ 269.949927] ? ____cache_alloc_node+0x1c7/0x1e0 [ 269.954622] ? lock_downgrade+0x900/0x900 [ 269.958803] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 269.964382] cache_grow_begin+0x91/0x8c0 [ 269.968469] ? do_raw_spin_unlock+0xa7/0x2f0 [ 269.972911] fallback_alloc+0x203/0x2e0 [ 269.976916] ____cache_alloc_node+0x1c7/0x1e0 [ 269.981450] kmem_cache_alloc_node+0xe3/0x730 [ 269.985973] ? ipv6_get_ifaddr+0x42e/0x620 [ 269.990243] __alloc_skb+0x119/0x770 [ 269.993976] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 269.999289] ? skb_scrub_packet+0x490/0x490 [ 270.003647] ? lock_downgrade+0x900/0x900 [ 270.007842] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.013410] ? refcount_sub_and_test_checked+0x203/0x310 [ 270.018903] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 270.024407] ? addrconf_rs_timer+0x6f0/0x6f0 [ 270.028862] ndisc_alloc_skb+0x144/0x340 [ 270.032964] ndisc_send_rs+0x331/0x6e0 [ 270.036901] addrconf_rs_timer+0x3c0/0x6f0 [ 270.041210] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.045478] call_timer_fn+0x272/0x920 [ 270.049385] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.053640] ? process_timeout+0x40/0x40 [ 270.057717] ? find_held_lock+0x36/0x1c0 [ 270.061805] ? __run_timers+0x7da/0xc70 [ 270.065808] ? _raw_spin_unlock_irq+0x27/0x80 [ 270.070328] ? _raw_spin_unlock_irq+0x27/0x80 [ 270.074844] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.079100] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 270.083696] ? trace_hardirqs_on+0xbd/0x310 [ 270.088023] ? kasan_check_read+0x11/0x20 [ 270.092186] ? __run_timers+0x7da/0xc70 [ 270.096174] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 270.101641] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.105898] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 270.110154] __run_timers+0x7e5/0xc70 [ 270.113986] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 270.119363] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 270.124389] ? graph_lock+0x170/0x170 [ 270.128205] ? enqueue_hrtimer+0x1a5/0x560 [ 270.132449] ? lock_release+0x970/0x970 [ 270.136430] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 270.141654] ? find_held_lock+0x36/0x1c0 [ 270.145759] ? pvclock_read_flags+0x160/0x160 [ 270.150289] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.155871] ? check_preemption_disabled+0x48/0x200 [ 270.160928] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 270.166500] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 270.171816] ? rcu_pm_notify+0xc0/0xc0 [ 270.175738] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.181306] ? check_preemption_disabled+0x48/0x200 [ 270.186372] run_timer_softirq+0x52/0xb0 [ 270.190477] ? rcu_read_lock_sched_held+0x108/0x120 [ 270.195530] __do_softirq+0x30b/0xad8 [ 270.199378] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 270.204510] ? pvclock_read_flags+0x160/0x160 [ 270.209034] ? lapic_next_event+0x5a/0x90 [ 270.213220] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.218789] ? check_preemption_disabled+0x48/0x200 [ 270.223839] ? check_preemption_disabled+0x48/0x200 [ 270.228884] ? kvm_clock_read+0x18/0x30 [ 270.232886] ? kvm_sched_clock_read+0x9/0x20 [ 270.237326] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.242899] ? check_preemption_disabled+0x48/0x200 [ 270.247950] irq_exit+0x17f/0x1c0 [ 270.251421] smp_apic_timer_interrupt+0x1cb/0x760 [ 270.256900] ? smp_reschedule_interrupt+0x109/0x650 [ 270.261954] ? smp_call_function_single_interrupt+0x650/0x650 [ 270.267874] ? interrupt_entry+0xb5/0xf0 [ 270.271960] ? trace_hardirqs_off_caller+0xbb/0x300 [ 270.277000] ? trace_hardirqs_off_caller+0xbb/0x300 [ 270.282041] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 270.286912] ? trace_hardirqs_off+0x300/0x300 [ 270.291425] ? trace_hardirqs_off+0x300/0x300 [ 270.295950] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.301528] ? check_preemption_disabled+0x48/0x200 [ 270.306581] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.312170] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 270.317078] apic_timer_interrupt+0xf/0x20 [ 270.321335] [ 270.323603] RIP: 0010:_raw_write_unlock_irq+0x56/0x80 [ 270.328835] Code: 52 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d ab aa 92 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 f0 ec 95 f9 65 8b 05 a9 6e 42 78 85 c0 74 05 5b [ 270.347778] RSP: 0018:ffff8801d8cf7350 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 270.355511] RAX: dffffc0000000000 RBX: ffffffff894090c0 RCX: 0000000000000000 [ 270.362798] RDX: 1ffffffff12a4537 RSI: 0000000000000001 RDI: ffffffff895229b8 [ 270.370098] RBP: ffff8801d8cf7358 R08: ffff8801c24ca580 R09: 0000000000000000 [ 270.377388] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d70737c0 [ 270.384682] R13: ffff8801d8cf7490 R14: 0000000000000000 R15: ffff8801c24cab00 [ 270.392013] do_exit+0x11ef/0x2610 [ 270.395578] ? mem_cgroup_commit_charge+0x275/0x9d0 [ 270.400635] ? mm_update_next_owner+0x990/0x990 [ 270.405330] ? print_usage_bug+0xc0/0xc0 [ 270.409416] ? graph_lock+0x170/0x170 [ 270.413247] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.418810] ? check_preemption_disabled+0x48/0x200 [ 270.423864] ? check_preemption_disabled+0x48/0x200 [ 270.428916] ? print_usage_bug+0xc0/0xc0 [ 270.433013] ? __lock_acquire+0x7ec/0x4ec0 [ 270.437298] ? __lock_acquire+0x7ec/0x4ec0 [ 270.441566] ? mark_held_locks+0x130/0x130 [ 270.445825] ? mark_held_locks+0x130/0x130 [ 270.450097] ? finish_task_switch+0x1b5/0x900 [ 270.454611] ? __switch_to_asm+0x34/0x70 [ 270.458681] ? __switch_to_asm+0x34/0x70 [ 270.462748] ? __switch_to_asm+0x34/0x70 [ 270.466837] ? __switch_to_asm+0x40/0x70 [ 270.470903] ? __switch_to_asm+0x34/0x70 [ 270.474967] ? __switch_to_asm+0x40/0x70 [ 270.479031] ? __switch_to_asm+0x34/0x70 [ 270.483102] ? __switch_to_asm+0x34/0x70 [ 270.487171] ? __switch_to_asm+0x34/0x70 [ 270.491245] ? __switch_to_asm+0x34/0x70 [ 270.495309] ? __switch_to_asm+0x40/0x70 [ 270.499380] ? __switch_to_asm+0x34/0x70 [ 270.503455] ? __switch_to_asm+0x40/0x70 [ 270.507544] ? graph_lock+0x170/0x170 [ 270.511376] ? graph_lock+0x170/0x170 [ 270.515212] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 270.520781] ? wait_consider_task+0x245/0x3bb0 [ 270.525405] ? memset+0x31/0x40 [ 270.528726] ? find_held_lock+0x36/0x1c0 [ 270.532850] ? get_signal+0x95b/0x1980 [ 270.536775] ? _raw_spin_unlock_irq+0x27/0x80 [ 270.541304] ? _raw_spin_unlock_irq+0x27/0x80 [ 270.545839] do_group_exit+0x177/0x440 [ 270.549749] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 270.555227] ? __ia32_sys_exit+0x50/0x50 [ 270.559324] get_signal+0x8b0/0x1980 [ 270.563062] ? ptrace_notify+0x130/0x130 [ 270.567147] ? do_wait+0x57d/0xb90 [ 270.570705] ? wait_consider_task+0x3bb0/0x3bb0 [ 270.575387] ? graph_lock+0x170/0x170 [ 270.579208] ? graph_lock+0x170/0x170 [ 270.583034] ? graph_lock+0x170/0x170 [ 270.586886] do_signal+0x9c/0x21e0 [ 270.590436] ? find_held_lock+0x36/0x1c0 [ 270.594519] ? setup_sigcontext+0x7d0/0x7d0 [ 270.598854] ? kernel_wait4+0x2e0/0x3f0 [ 270.602842] ? __ia32_sys_waitid+0x140/0x140 [ 270.607304] ? task_stopped_code+0x190/0x190 [ 270.611720] ? exit_to_usermode_loop+0x8c/0x380 [ 270.616429] ? __do_page_fault+0x4a6/0xed0 [ 270.620673] ? do_syscall_64+0x9a/0x820 [ 270.624651] ? do_syscall_64+0x9a/0x820 [ 270.628641] exit_to_usermode_loop+0x2e5/0x380 [ 270.633245] ? syscall_slow_exit_work+0x520/0x520 [ 270.638134] do_syscall_64+0x6be/0x820 [ 270.642041] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 270.647434] ? syscall_return_slowpath+0x5e0/0x5e0 [ 270.652379] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 270.657248] ? trace_hardirqs_off+0x300/0x300 [ 270.661761] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 270.666806] ? prepare_exit_to_usermode+0x291/0x3b0 [ 270.671870] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 270.676756] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 270.682059] RIP: 0033:0x410e7a [ 270.685282] Code: Bad RIP value. [ 270.688660] RSP: 002b:00007ffdfa797988 EFLAGS: 00000246 ORIG_RAX: 000000000000003d [ 270.696392] RAX: fffffffffffffe00 RBX: 00000000000014f2 RCX: 0000000000410e7a [ 270.703685] RDX: 0000000040000000 RSI: 00007ffdfa797994 RDI: ffffffffffffffff [ 270.710975] RBP: 0000000000930b28 R08: 00000000000014e7 R09: 00000000024eb940 [ 270.718263] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010 [ 270.725550] R13: 0000000000412a80 R14: 0000000000000000 R15: 0000000000000000 [ 270.732874] warn_alloc_show_mem: 1 callbacks suppressed [ 270.732887] CPU: 0 PID: 9562 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51 [ 270.732889] Mem-Info: [ 270.732920] active_anon:43308 inactive_anon:372 isolated_anon:0 [ 270.732920] active_file:9 inactive_file:26 isolated_file:0 [ 270.732920] unevictable:0 dirty:0 writeback:0 unstable:0 [ 270.732920] slab_reclaimable:8855 slab_unreclaimable:1462387 [ 270.732920] mapped:57522 shmem:379 pagetables:727 bounce:0 [ 270.732920] free:13711 free_pcp:202 free_cma:0 [ 270.738279] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 270.738290] Call Trace: [ 270.745509] Node 0 active_anon:173232kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 270.747922] [ 270.780802] Node 0 [ 270.790183] dump_stack+0x1c4/0x2b4 [ 270.792780] 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 [ 270.820536] ? dump_stack_print_info.cold.2+0x52/0x52 [ 270.822663] lowmem_reserve[]: 0 [ 270.824921] warn_alloc.cold.118+0xb7/0x1bd [ 270.828513] 2817 [ 270.854029] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 270.859211] 6321 6321 [ 270.862508] ? lock_downgrade+0x900/0x900 [ 270.868898] ? trace_hardirqs_off+0xb8/0x300 [ 270.873729] Node 0 [ 270.876246] ? trace_hardirqs_off+0xb8/0x300 [ 270.880492] DMA32 free:24940kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 270.884911] __alloc_pages_slowpath+0x2667/0x2d80 [ 270.887125] lowmem_reserve[]: 0 [ 270.891601] ? warn_alloc+0x120/0x120 [ 270.918552] 0 [ 270.923415] ? warn_alloc+0x120/0x120 [ 270.926678] 3503 3503 [ 270.930513] ? print_usage_bug+0xc0/0xc0 [ 270.932295] Node 0 [ 270.936111] ? warn_alloc+0x120/0x120 [ 270.938615] Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:169136kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5568kB pagetables:2908kB bounce:0kB free_pcp:808kB local_pcp:692kB free_cma:0kB [ 270.942660] ? print_usage_bug+0xc0/0xc0 [ 270.944870] lowmem_reserve[]: [ 270.948683] ? __lock_acquire+0x7ec/0x4ec0 [ 270.977134] 0 0 [ 270.981249] ? __lock_acquire+0x7ec/0x4ec0 [ 270.984340] 0 0 [ 270.988615] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 270.990575] Node 0 [ 270.994829] ? should_fail+0x22d/0xd01 [ 270.996787] DMA: 1*4kB [ 271.002357] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 271.004575] (U) [ 271.008472] ? __lock_acquire+0x7ec/0x4ec0 [ 271.011035] 0*8kB [ 271.016150] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 271.018103] 0*16kB [ 271.022344] ? __lock_acquire+0x7ec/0x4ec0 [ 271.022361] ? should_fail+0x22d/0xd01 [ 271.024497] 1*32kB [ 271.029617] ? mark_held_locks+0x130/0x130 [ 271.031835] (U) 2*64kB [ 271.036102] ? mark_held_locks+0x130/0x130 [ 271.039972] (U) 1*128kB [ 271.042241] ? graph_lock+0x170/0x170 [ 271.046445] (U) 1*256kB [ 271.049044] ? graph_lock+0x170/0x170 [ 271.053251] (U) 0*512kB [ 271.055937] ? graph_lock+0x170/0x170 [ 271.059720] 1*1024kB (U) [ 271.062421] ? print_usage_bug+0xc0/0xc0 [ 271.066209] 1*2048kB [ 271.068898] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.072672] (M) 3*4096kB [ 271.075460] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.079496] (M) = 15908kB [ 271.081938] ? check_preemption_disabled+0x48/0x200 [ 271.087455] Node 0 [ 271.090231] ? check_preemption_disabled+0x48/0x200 [ 271.095748] DMA32: [ 271.098526] ? __lock_is_held+0xb5/0x140 [ 271.103514] 3*4kB [ 271.105764] __alloc_pages_nodemask+0xa80/0xde0 [ 271.110761] (UM) [ 271.113011] ? graph_lock+0x170/0x170 [ 271.117045] 2*8kB (U) [ 271.119219] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 271.123867] 5*16kB [ 271.126461] ? graph_lock+0x170/0x170 [ 271.130242] (UM) [ 271.132755] ? find_held_lock+0x36/0x1c0 [ 271.137739] 2*32kB (UM) [ 271.140006] ? ____cache_alloc_node+0x1c7/0x1e0 [ 271.143781] 3*64kB (UM) [ 271.145868] ? lock_downgrade+0x900/0x900 [ 271.149913] 4*128kB [ 271.152603] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.157242] (UM) 2*256kB [ 271.159947] cache_grow_begin+0x91/0x8c0 [ 271.164081] (M) [ 271.166415] ? do_raw_spin_unlock+0xa7/0x2f0 [ 271.171929] 4*512kB (UM) [ 271.174714] fallback_alloc+0x203/0x2e0 [ 271.178741] 3*1024kB (M) [ 271.180742] ____cache_alloc_node+0x1c7/0x1e0 [ 271.185119] 1*2048kB (U) [ 271.187925] kmem_cache_alloc_node+0xe3/0x730 [ 271.191867] 4*4096kB (M) [ 271.194641] ? ipv6_get_ifaddr+0x42e/0x620 [ 271.199110] = 24940kB [ 271.199119] Node 0 [ 271.201906] __alloc_skb+0x119/0x770 [ 271.206372] Normal: [ 271.209156] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 271.213368] 667*4kB [ 271.215782] ? skb_scrub_packet+0x490/0x490 [ 271.217988] (UMEH) [ 271.221702] ? lock_downgrade+0x900/0x900 [ 271.224002] 358*8kB [ 271.229280] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.231574] (UMEH) [ 271.235897] ? refcount_sub_and_test_checked+0x203/0x310 [ 271.238111] 191*16kB [ 271.242265] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 271.244571] (UMEH) [ 271.250128] ? addrconf_rs_timer+0x6f0/0x6f0 [ 271.252341] 81*32kB (UMEH) [ 271.257821] ndisc_alloc_skb+0x144/0x340 [ 271.260211] 30*64kB [ 271.265674] ndisc_send_rs+0x331/0x6e0 [ 271.267877] (UMH) 1*128kB [ 271.272303] addrconf_rs_timer+0x3c0/0x6f0 [ 271.275209] (M) [ 271.279278] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 271.281572] 3*256kB (UH) [ 271.285478] call_timer_fn+0x272/0x920 [ 271.288292] 0*512kB [ 271.292520] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 271.294465] 0*1024kB 0*2048kB [ 271.298707] ? process_timeout+0x40/0x40 [ 271.301432] 0*4096kB = 13996kB [ 271.305334] ? find_held_lock+0x36/0x1c0 [ 271.307638] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 271.311872] ? __run_timers+0x7da/0xc70 [ 271.315042] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 271.319098] ? _raw_spin_unlock_irq+0x27/0x80 [ 271.322300] 414 total pagecache pages [ 271.326361] ? _raw_spin_unlock_irq+0x27/0x80 [ 271.335188] 0 pages in swap cache [ 271.339172] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 271.347734] Swap cache stats: add 0, delete 0, find 0/0 [ 271.347746] Free swap = 0kB [ 271.352268] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 271.356043] Total swap = 0kB [ 271.360549] ? trace_hardirqs_on+0xbd/0x310 [ 271.363981] 1965979 pages RAM [ 271.368220] ? kasan_check_read+0x11/0x20 [ 271.368238] ? __run_timers+0x7da/0xc70 [ 271.373589] 0 pages HighMem/MovableOnly [ 271.373600] 342744 pages reserved [ 271.376632] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 271.381181] 0 pages cma reserved [ 271.381257] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 271.384215] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 271.388635] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 271.391634] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 271.395763] syz-executor1 cpuset= [ 271.399754] __run_timers+0x7e5/0xc70 [ 271.403707] / [ 271.407196] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 271.412624] mems_allowed=0 [ 271.416005] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 271.463687] ? graph_lock+0x170/0x170 [ 271.467523] ? enqueue_hrtimer+0x1a5/0x560 [ 271.471773] ? lock_release+0x970/0x970 [ 271.475762] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 271.480979] ? find_held_lock+0x36/0x1c0 [ 271.485080] ? graph_lock+0x170/0x170 [ 271.488910] ? pvclock_read_flags+0x160/0x160 [ 271.493435] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.499007] ? check_preemption_disabled+0x48/0x200 [ 271.504078] ? __lock_is_held+0xb5/0x140 [ 271.508174] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.513746] ? check_preemption_disabled+0x48/0x200 [ 271.518809] run_timer_softirq+0x52/0xb0 [ 271.522890] ? rcu_read_lock_sched_held+0x108/0x120 [ 271.527933] __do_softirq+0x30b/0xad8 [ 271.531759] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 271.536888] ? pvclock_read_flags+0x160/0x160 [ 271.541397] ? lapic_next_event+0x5a/0x90 [ 271.545570] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.551136] ? check_preemption_disabled+0x48/0x200 [ 271.556261] ? check_preemption_disabled+0x48/0x200 [ 271.561308] ? kvm_clock_read+0x18/0x30 [ 271.565303] ? kvm_sched_clock_read+0x9/0x20 [ 271.569733] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.575294] ? check_preemption_disabled+0x48/0x200 [ 271.580357] irq_exit+0x17f/0x1c0 [ 271.583819] smp_apic_timer_interrupt+0x1cb/0x760 [ 271.588673] ? smp_reschedule_interrupt+0x109/0x650 [ 271.593710] ? smp_call_function_single_interrupt+0x650/0x650 [ 271.599620] ? interrupt_entry+0xb5/0xf0 [ 271.603703] ? trace_hardirqs_off_caller+0xbb/0x300 [ 271.608731] ? trace_hardirqs_off_caller+0xbb/0x300 [ 271.613776] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 271.618660] ? trace_hardirqs_off+0x300/0x300 [ 271.623185] ? trace_hardirqs_off+0x300/0x300 [ 271.627706] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 271.633270] ? check_preemption_disabled+0x48/0x200 [ 271.638316] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 271.643896] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 271.648763] apic_timer_interrupt+0xf/0x20 [ 271.653006] [ 271.655259] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 271.660203] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 271.679125] RSP: 0000:ffff88019f217748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 271.686863] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 271.694157] RDX: 0000000000000000 RSI: ffff88019f972d00 RDI: 0000000000000282 [ 271.701441] RBP: ffff88019f2177b0 R08: ffff88019f972480 R09: 0000000000000000 [ 271.708725] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 271.716017] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 271.723366] skb_clone+0x1bb/0x500 [ 271.726933] ? finish_task_switch+0x2f5/0x900 [ 271.731454] ? skb_split+0x11e0/0x11e0 [ 271.735361] ? preempt_notifier_register+0x200/0x200 [ 271.740484] ? __switch_to_asm+0x34/0x70 [ 271.744570] ? __switch_to_asm+0x34/0x70 [ 271.748656] ? __switch_to_asm+0x40/0x70 [ 271.752733] ? __switch_to_asm+0x34/0x70 [ 271.756805] ? __switch_to_asm+0x40/0x70 [ 271.760870] ? __switch_to_asm+0x34/0x70 [ 271.764934] ? __switch_to_asm+0x40/0x70 [ 271.769008] ? __switch_to_asm+0x34/0x70 [ 271.773120] ? __switch_to_asm+0x34/0x70 [ 271.777195] ? __switch_to_asm+0x40/0x70 [ 271.781264] ? __switch_to_asm+0x34/0x70 [ 271.785358] bpf_clone_redirect+0xb9/0x490 [ 271.789616] ? __schedule+0x874/0x1ed0 [ 271.793521] bpf_prog_a2323609a0d1adb1+0x624/0x1000 [ 271.798556] ? __sched_text_start+0x8/0x8 [ 271.802715] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 271.807497] ? find_held_lock+0x36/0x1c0 [ 271.811576] ? lock_acquire+0x1ed/0x520 [ 271.815563] ? bpf_test_run+0x32e/0x5a0 [ 271.819557] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 271.825146] ? check_preemption_disabled+0x48/0x200 [ 271.830204] ? kasan_check_read+0x11/0x20 [ 271.834389] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 271.839696] ? rcu_bh_qs+0xc0/0xc0 [ 271.843265] ? preempt_schedule+0x4d/0x60 [ 271.847438] ? ___preempt_schedule+0x16/0x18 [ 271.851868] ? bpf_test_run+0x1c0/0x5a0 [ 271.855869] ? netlink_diag_dump+0x2a0/0x2a0 [ 271.860327] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 271.865894] ? bpf_test_init.isra.9+0x70/0x100 [ 271.870508] ? bpf_prog_test_run_skb+0x634/0xb40 [ 271.875298] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 271.880174] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 271.885735] ? fput+0x130/0x1a0 [ 271.889044] ? __bpf_prog_get+0x9b/0x290 [ 271.893132] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 271.897989] ? bpf_prog_test_run+0x130/0x1a0 [ 271.902422] ? __x64_sys_bpf+0x3d8/0x510 [ 271.906495] ? bpf_prog_get+0x20/0x20 [ 271.910336] ? do_syscall_64+0x1b9/0x820 [ 271.914406] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 271.919780] ? syscall_return_slowpath+0x5e0/0x5e0 [ 271.924724] ? trace_hardirqs_off+0x300/0x300 [ 271.929240] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 271.934280] ? recalc_sigpending_tsk+0x180/0x180 [ 271.939066] ? kasan_check_write+0x14/0x20 [ 271.943389] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 271.948267] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 271.953672] CPU: 1 PID: 5351 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51 [ 271.953757] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 271.960882] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 271.960888] Call Trace: [ 271.960895] [ 271.960916] dump_stack+0x1c4/0x2b4 [ 271.960930] ? dump_stack_print_info.cold.2+0x52/0x52 [ 271.960962] warn_alloc.cold.118+0xb7/0x1bd [ 271.967577] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 271.976840] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 271.979403] syz-executor0 cpuset= [ 271.981560] ? lock_downgrade+0x900/0x900 [ 271.985209] syz0 [ 271.990428] ? trace_hardirqs_off+0xb8/0x300 [ 271.994741] mems_allowed=0 [ 272.005248] ? trace_hardirqs_off+0xb8/0x300 [ 272.031416] __alloc_pages_slowpath+0x2667/0x2d80 [ 272.036317] ? warn_alloc+0x120/0x120 [ 272.040146] ? trace_hardirqs_on+0x310/0x310 [ 272.044563] ? warn_alloc+0x120/0x120 [ 272.048378] ? print_usage_bug+0xc0/0xc0 [ 272.052444] ? warn_alloc+0x120/0x120 [ 272.056253] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 272.061301] ? print_usage_bug+0xc0/0xc0 [ 272.065386] ? __lock_acquire+0x7ec/0x4ec0 [ 272.069636] ? __lock_acquire+0x7ec/0x4ec0 [ 272.073888] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 272.079446] ? should_fail+0x22d/0xd01 [ 272.083344] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 272.088459] ? __lock_acquire+0x7ec/0x4ec0 [ 272.092705] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 272.097812] ? __lock_acquire+0x7ec/0x4ec0 [ 272.102058] ? should_fail+0x22d/0xd01 [ 272.105967] ? print_usage_bug+0xc0/0xc0 [ 272.110047] ? mark_held_locks+0x130/0x130 [ 272.114304] ? mark_held_locks+0x130/0x130 [ 272.118554] ? graph_lock+0x170/0x170 [ 272.122358] ? print_usage_bug+0xc0/0xc0 [ 272.126437] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 272.131208] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.136752] ? check_preemption_disabled+0x48/0x200 [ 272.141773] ? check_preemption_disabled+0x48/0x200 [ 272.146810] ? __lock_is_held+0xb5/0x140 [ 272.150892] __alloc_pages_nodemask+0xa80/0xde0 [ 272.155581] ? graph_lock+0x170/0x170 [ 272.159406] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 272.164442] ? graph_lock+0x170/0x170 [ 272.168271] ? find_held_lock+0x36/0x1c0 [ 272.172359] ? ____cache_alloc_node+0x1c7/0x1e0 [ 272.177044] ? lock_downgrade+0x900/0x900 [ 272.181218] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.186865] cache_grow_begin+0x91/0x8c0 [ 272.190943] ? do_raw_spin_unlock+0xa7/0x2f0 [ 272.195377] fallback_alloc+0x203/0x2e0 [ 272.199369] ____cache_alloc_node+0x1c7/0x1e0 [ 272.203883] kmem_cache_alloc_node+0xe3/0x730 [ 272.208855] ? ipv6_get_ifaddr+0x42e/0x620 [ 272.213123] __alloc_skb+0x119/0x770 [ 272.216856] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 272.222161] ? skb_scrub_packet+0x490/0x490 [ 272.226500] ? lock_downgrade+0x900/0x900 [ 272.230666] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.236213] ? refcount_sub_and_test_checked+0x203/0x310 [ 272.241679] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 272.247144] ? addrconf_rs_timer+0x6f0/0x6f0 [ 272.251568] ndisc_alloc_skb+0x144/0x340 [ 272.255646] ndisc_send_rs+0x331/0x6e0 [ 272.260043] addrconf_rs_timer+0x3c0/0x6f0 [ 272.264306] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 272.268575] call_timer_fn+0x272/0x920 [ 272.272485] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 272.276740] ? process_timeout+0x40/0x40 [ 272.280805] ? find_held_lock+0x36/0x1c0 [ 272.284892] ? __run_timers+0x7da/0xc70 [ 272.288876] ? _raw_spin_unlock_irq+0x27/0x80 [ 272.293394] ? _raw_spin_unlock_irq+0x27/0x80 [ 272.297894] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 272.302150] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 272.306757] ? trace_hardirqs_on+0xbd/0x310 [ 272.311097] ? kasan_check_read+0x11/0x20 [ 272.315260] ? __run_timers+0x7da/0xc70 [ 272.319248] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 272.324712] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 272.328958] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 272.333199] __run_timers+0x7e5/0xc70 [ 272.337021] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 272.342395] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 272.347423] ? graph_lock+0x170/0x170 [ 272.351236] ? enqueue_hrtimer+0x1a5/0x560 [ 272.355481] ? lock_release+0x970/0x970 [ 272.359479] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 272.364707] ? find_held_lock+0x36/0x1c0 [ 272.368811] ? pvclock_read_flags+0x160/0x160 [ 272.373346] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.378914] ? check_preemption_disabled+0x48/0x200 [ 272.383962] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 272.389533] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 272.394836] ? rcu_pm_notify+0xc0/0xc0 [ 272.398751] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.404313] ? check_preemption_disabled+0x48/0x200 [ 272.409367] run_timer_softirq+0x52/0xb0 [ 272.413459] ? rcu_read_lock_sched_held+0x108/0x120 [ 272.418506] __do_softirq+0x30b/0xad8 [ 272.422345] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 272.427483] ? pvclock_read_flags+0x160/0x160 [ 272.432006] ? lapic_next_event+0x5a/0x90 [ 272.436178] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.441740] ? check_preemption_disabled+0x48/0x200 [ 272.446774] ? check_preemption_disabled+0x48/0x200 [ 272.451823] ? kvm_clock_read+0x18/0x30 [ 272.455841] ? kvm_sched_clock_read+0x9/0x20 [ 272.460287] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.465862] ? check_preemption_disabled+0x48/0x200 [ 272.470919] irq_exit+0x17f/0x1c0 [ 272.474398] smp_apic_timer_interrupt+0x1cb/0x760 [ 272.479256] ? smp_reschedule_interrupt+0x109/0x650 [ 272.484294] ? smp_call_function_single_interrupt+0x650/0x650 [ 272.490199] ? interrupt_entry+0xb5/0xf0 [ 272.494295] ? trace_hardirqs_off_caller+0xbb/0x300 [ 272.499330] ? trace_hardirqs_off_caller+0xbb/0x300 [ 272.504366] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 272.509227] ? trace_hardirqs_off+0x300/0x300 [ 272.513741] ? trace_hardirqs_off+0x300/0x300 [ 272.518256] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.523819] ? check_preemption_disabled+0x48/0x200 [ 272.528864] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.534441] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 272.539323] apic_timer_interrupt+0xf/0x20 [ 272.543577] [ 272.545846] RIP: 0010:_raw_write_unlock_irq+0x56/0x80 [ 272.551063] Code: 52 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d ab aa 92 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 f0 ec 95 f9 65 8b 05 a9 6e 42 78 85 c0 74 05 5b [ 272.569995] RSP: 0018:ffff8801d8cf7350 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 272.577728] RAX: dffffc0000000000 RBX: ffffffff894090c0 RCX: 0000000000000000 [ 272.585015] RDX: 1ffffffff12a4537 RSI: 0000000000000001 RDI: ffffffff895229b8 [ 272.592301] RBP: ffff8801d8cf7358 R08: ffff8801c24ca580 R09: 0000000000000000 [ 272.599592] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d70737c0 [ 272.606878] R13: ffff8801d8cf7490 R14: 0000000000000000 R15: ffff8801c24cab00 [ 272.614207] do_exit+0x11ef/0x2610 [ 272.617755] ? mem_cgroup_commit_charge+0x275/0x9d0 [ 272.622789] ? mm_update_next_owner+0x990/0x990 [ 272.627473] ? print_usage_bug+0xc0/0xc0 [ 272.631547] ? graph_lock+0x170/0x170 [ 272.635369] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.640927] ? check_preemption_disabled+0x48/0x200 [ 272.645963] ? check_preemption_disabled+0x48/0x200 [ 272.651009] ? print_usage_bug+0xc0/0xc0 [ 272.655117] ? __lock_acquire+0x7ec/0x4ec0 [ 272.659391] ? __lock_acquire+0x7ec/0x4ec0 [ 272.663669] ? mark_held_locks+0x130/0x130 [ 272.667933] ? mark_held_locks+0x130/0x130 [ 272.672187] ? finish_task_switch+0x1b5/0x900 [ 272.676697] ? __switch_to_asm+0x34/0x70 [ 272.680788] ? __switch_to_asm+0x34/0x70 [ 272.684877] ? __switch_to_asm+0x34/0x70 [ 272.688960] ? __switch_to_asm+0x40/0x70 [ 272.693037] ? __switch_to_asm+0x34/0x70 [ 272.697122] ? __switch_to_asm+0x40/0x70 [ 272.701195] ? __switch_to_asm+0x34/0x70 [ 272.705271] ? __switch_to_asm+0x34/0x70 [ 272.709351] ? __switch_to_asm+0x34/0x70 [ 272.713431] ? __switch_to_asm+0x34/0x70 [ 272.717512] ? __switch_to_asm+0x40/0x70 [ 272.721596] ? __switch_to_asm+0x34/0x70 [ 272.725686] ? __switch_to_asm+0x40/0x70 [ 272.729782] ? graph_lock+0x170/0x170 [ 272.733620] ? graph_lock+0x170/0x170 [ 272.737462] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 272.743034] ? wait_consider_task+0x245/0x3bb0 [ 272.747655] ? memset+0x31/0x40 [ 272.750968] ? find_held_lock+0x36/0x1c0 [ 272.755063] ? get_signal+0x95b/0x1980 [ 272.758985] ? _raw_spin_unlock_irq+0x27/0x80 [ 272.763500] ? _raw_spin_unlock_irq+0x27/0x80 [ 272.768017] do_group_exit+0x177/0x440 [ 272.771922] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 272.777388] ? __ia32_sys_exit+0x50/0x50 [ 272.781475] get_signal+0x8b0/0x1980 [ 272.785214] ? ptrace_notify+0x130/0x130 [ 272.789290] ? do_wait+0x57d/0xb90 [ 272.792855] ? wait_consider_task+0x3bb0/0x3bb0 [ 272.797534] ? graph_lock+0x170/0x170 [ 272.801349] ? graph_lock+0x170/0x170 [ 272.805170] ? graph_lock+0x170/0x170 [ 272.809000] do_signal+0x9c/0x21e0 [ 272.812557] ? find_held_lock+0x36/0x1c0 [ 272.816647] ? setup_sigcontext+0x7d0/0x7d0 [ 272.820987] ? kernel_wait4+0x2e0/0x3f0 [ 272.824980] ? __ia32_sys_waitid+0x140/0x140 [ 272.829423] ? task_stopped_code+0x190/0x190 [ 272.833861] ? exit_to_usermode_loop+0x8c/0x380 [ 272.838572] ? __do_page_fault+0x4a6/0xed0 [ 272.842824] ? do_syscall_64+0x9a/0x820 [ 272.846814] ? do_syscall_64+0x9a/0x820 [ 272.850804] exit_to_usermode_loop+0x2e5/0x380 [ 272.855408] ? syscall_slow_exit_work+0x520/0x520 [ 272.860294] do_syscall_64+0x6be/0x820 [ 272.864204] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 272.869592] ? syscall_return_slowpath+0x5e0/0x5e0 [ 272.874545] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 272.879420] ? trace_hardirqs_off+0x300/0x300 [ 272.883950] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 272.889003] ? prepare_exit_to_usermode+0x291/0x3b0 [ 272.894053] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 272.898945] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 272.904160] RIP: 0033:0x410e7a [ 272.907373] Code: Bad RIP value. [ 272.910753] RSP: 002b:00007ffdfa797988 EFLAGS: 00000246 ORIG_RAX: 000000000000003d [ 272.919087] RAX: fffffffffffffe00 RBX: 00000000000014f2 RCX: 0000000000410e7a [ 272.926381] RDX: 0000000040000000 RSI: 00007ffdfa797994 RDI: ffffffffffffffff [ 272.933666] RBP: 0000000000930b28 R08: 00000000000014e7 R09: 00000000024eb940 [ 272.940953] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010 [ 272.948240] R13: 0000000000412a80 R14: 0000000000000000 R15: 0000000000000000 [ 272.955557] warn_alloc_show_mem: 1 callbacks suppressed [ 272.955570] CPU: 0 PID: 9562 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51 [ 272.955572] Mem-Info: [ 272.955602] active_anon:43308 inactive_anon:372 isolated_anon:0 [ 272.955602] active_file:9 inactive_file:26 isolated_file:0 [ 272.955602] unevictable:0 dirty:0 writeback:0 unstable:0 [ 272.955602] slab_reclaimable:8855 slab_unreclaimable:1462387 [ 272.955602] mapped:57522 shmem:379 pagetables:727 bounce:0 [ 272.955602] free:13711 free_pcp:202 free_cma:0 [ 272.960959] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 272.960969] Call Trace: [ 272.968208] Node 0 active_anon:173232kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 272.970619] [ 273.003416] Node 0 [ 273.012804] dump_stack+0x1c4/0x2b4 [ 273.015407] 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 [ 273.043252] ? dump_stack_print_info.cold.2+0x52/0x52 [ 273.045381] lowmem_reserve[]: 0 [ 273.047653] warn_alloc.cold.118+0xb7/0x1bd [ 273.051248] 2817 [ 273.076770] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 273.081935] 6321 6321 [ 273.085232] ? lock_downgrade+0x900/0x900 [ 273.089527] Node 0 [ 273.091595] ? trace_hardirqs_off+0xb8/0x300 [ 273.096436] DMA32 free:24940kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 273.098916] ? trace_hardirqs_off+0xb8/0x300 [ 273.103028] lowmem_reserve[]: 0 [ 273.105285] __alloc_pages_slowpath+0x2667/0x2d80 [ 273.109658] 0 3503 [ 273.138010] ? warn_alloc+0x120/0x120 [ 273.142396] 3503 [ 273.145690] ? trace_hardirqs_on+0x310/0x310 [ 273.150519] Node 0 [ 273.152765] ? warn_alloc+0x120/0x120 [ 273.156566] Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:169136kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5568kB pagetables:2908kB bounce:0kB free_pcp:808kB local_pcp:692kB free_cma:0kB [ 273.158606] ? print_usage_bug+0xc0/0xc0 [ 273.162994] lowmem_reserve[]: 0 [ 273.165259] ? warn_alloc+0x120/0x120 [ 273.169041] 0 0 [ 273.197540] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 273.201577] 0 [ 273.204878] ? print_usage_bug+0xc0/0xc0 [ 273.208657] Node 0 [ 273.210645] ? __lock_acquire+0x7ec/0x4ec0 [ 273.215634] DMA: 1*4kB [ 273.217460] ? __lock_acquire+0x7ec/0x4ec0 [ 273.221508] (U) [ 273.223766] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 273.227971] 0*8kB 0*16kB [ 273.230571] ? should_fail+0x22d/0xd01 [ 273.234779] 1*32kB (U) [ 273.236772] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 273.242295] 2*64kB [ 273.245067] ? __lock_acquire+0x7ec/0x4ec0 [ 273.248956] (U) [ 273.251548] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 273.256628] 1*128kB (U) [ 273.258891] ? __lock_acquire+0x7ec/0x4ec0 [ 273.263114] 1*256kB [ 273.265111] ? should_fail+0x22d/0xd01 [ 273.270200] (U) [ 273.272887] ? print_usage_bug+0xc0/0xc0 [ 273.277120] 0*512kB [ 273.279464] ? mark_held_locks+0x130/0x130 [ 273.283321] 1*1024kB (U) [ 273.285325] ? mark_held_locks+0x130/0x130 [ 273.289361] 1*2048kB (M) [ 273.291711] ? graph_lock+0x170/0x170 [ 273.295918] 3*4096kB (M) [ 273.298699] ? print_usage_bug+0xc0/0xc0 [ 273.302913] = 15908kB [ 273.302922] Node 0 [ 273.305701] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 273.309485] DMA32: [ 273.312516] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.316557] 3*4kB [ 273.318977] ? check_preemption_disabled+0x48/0x200 [ 273.321187] (UM) [ 273.325963] ? check_preemption_disabled+0x48/0x200 [ 273.328171] 2*8kB (U) [ 273.333735] ? __lock_is_held+0xb5/0x140 [ 273.335869] 5*16kB [ 273.340898] __alloc_pages_nodemask+0xa80/0xde0 [ 273.342936] (UM) 2*32kB [ 273.347981] ? graph_lock+0x170/0x170 [ 273.350466] (UM) 3*64kB [ 273.354580] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 273.356793] (UM) 4*128kB [ 273.361501] ? graph_lock+0x170/0x170 [ 273.364149] (UM) 2*256kB [ 273.367988] ? find_held_lock+0x36/0x1c0 [ 273.370632] (M) [ 273.375665] ? ____cache_alloc_node+0x1c7/0x1e0 [ 273.378393] 4*512kB (UM) [ 273.382204] ? lock_downgrade+0x900/0x900 [ 273.384938] 3*1024kB [ 273.389002] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.390948] (M) [ 273.395616] cache_grow_begin+0x91/0x8c0 [ 273.398351] 1*2048kB [ 273.402501] ? do_raw_spin_unlock+0xa7/0x2f0 [ 273.404886] (U) [ 273.410434] fallback_alloc+0x203/0x2e0 [ 273.412387] 4*4096kB [ 273.416452] ____cache_alloc_node+0x1c7/0x1e0 [ 273.418836] (M) [ 273.423263] kmem_cache_alloc_node+0xe3/0x730 [ 273.425197] = 24940kB [ 273.425206] Node 0 [ 273.429182] ? ipv6_get_ifaddr+0x42e/0x620 [ 273.431570] Normal: [ 273.436089] __alloc_skb+0x119/0x770 [ 273.438039] 667*4kB [ 273.442546] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 273.444924] (UMEH) 358*8kB [ 273.447170] ? skb_scrub_packet+0x490/0x490 [ 273.451378] (UMEH) [ 273.453705] ? lock_downgrade+0x900/0x900 [ 273.457394] 191*16kB [ 273.459723] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.464972] (UMEH) [ 273.467915] ? refcount_sub_and_test_checked+0x203/0x310 [ 273.472214] 81*32kB (UMEH) [ 273.474477] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 273.478600] 30*64kB (UMH) [ 273.481045] ? addrconf_rs_timer+0x6f0/0x6f0 [ 273.486569] 1*128kB [ 273.488830] ndisc_alloc_skb+0x144/0x340 [ 273.494250] (M) [ 273.497195] ndisc_send_rs+0x331/0x6e0 [ 273.502617] 3*256kB [ 273.505475] addrconf_rs_timer+0x3c0/0x6f0 [ 273.509865] (UH) [ 273.512204] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 273.516228] 0*512kB [ 273.518213] call_timer_fn+0x272/0x920 [ 273.522060] 0*1024kB 0*2048kB [ 273.524400] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 273.528605] 0*4096kB = 13996kB [ 273.530675] ? process_timeout+0x40/0x40 [ 273.534888] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 273.537204] ? find_held_lock+0x36/0x1c0 [ 273.541087] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 273.544279] ? __run_timers+0x7da/0xc70 [ 273.548483] 414 total pagecache pages [ 273.551682] ? _raw_spin_unlock_irq+0x27/0x80 [ 273.555720] 0 pages in swap cache [ 273.564550] ? _raw_spin_unlock_irq+0x27/0x80 [ 273.568588] Swap cache stats: add 0, delete 0, find 0/0 [ 273.577167] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 273.581129] Free swap = 0kB [ 273.584934] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 273.589401] Total swap = 0kB [ 273.589410] 1965979 pages RAM [ 273.592863] ? trace_hardirqs_on+0xbd/0x310 [ 273.597330] 0 pages HighMem/MovableOnly [ 273.597336] 342744 pages reserved [ 273.597345] 0 pages cma reserved [ 273.602716] ? kasan_check_read+0x11/0x20 [ 273.606996] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 273.609962] ? __run_timers+0x7da/0xc70 [ 273.614582] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 273.617538] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 273.620624] syz-executor1 cpuset= [ 273.624948] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 273.628893] / [ 273.632374] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 273.635716] mems_allowed=0 [ 273.639866] __run_timers+0x7e5/0xc70 [ 273.686584] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 273.691956] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 273.696980] ? graph_lock+0x170/0x170 [ 273.700792] ? enqueue_hrtimer+0x1a5/0x560 [ 273.705031] ? lock_release+0x970/0x970 [ 273.709032] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 273.714249] ? find_held_lock+0x36/0x1c0 [ 273.718321] ? graph_lock+0x170/0x170 [ 273.722149] ? pvclock_read_flags+0x160/0x160 [ 273.726650] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.732200] ? check_preemption_disabled+0x48/0x200 [ 273.737236] ? __lock_is_held+0xb5/0x140 [ 273.741314] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.747000] ? check_preemption_disabled+0x48/0x200 [ 273.752054] run_timer_softirq+0x52/0xb0 [ 273.756149] ? rcu_read_lock_sched_held+0x108/0x120 [ 273.761203] __do_softirq+0x30b/0xad8 [ 273.765046] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 273.770176] ? pvclock_read_flags+0x160/0x160 [ 273.774678] ? lapic_next_event+0x5a/0x90 [ 273.778833] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.784385] ? check_preemption_disabled+0x48/0x200 [ 273.789409] ? check_preemption_disabled+0x48/0x200 [ 273.794438] ? kvm_clock_read+0x18/0x30 [ 273.798417] ? kvm_sched_clock_read+0x9/0x20 [ 273.802840] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 273.808395] ? check_preemption_disabled+0x48/0x200 [ 273.813433] irq_exit+0x17f/0x1c0 [ 273.816896] smp_apic_timer_interrupt+0x1cb/0x760 [ 273.821744] ? smp_reschedule_interrupt+0x109/0x650 [ 273.826773] ? smp_call_function_single_interrupt+0x650/0x650 [ 273.832665] ? interrupt_entry+0xb5/0xf0 [ 273.836741] ? trace_hardirqs_off_caller+0xbb/0x300 [ 273.841779] ? trace_hardirqs_off_caller+0xbb/0x300 [ 273.846817] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 273.851690] ? trace_hardirqs_off+0x300/0x300 [ 273.856205] ? trace_hardirqs_off+0x300/0x300 [ 273.860728] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 273.866294] ? check_preemption_disabled+0x48/0x200 [ 273.871374] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 273.876939] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 273.881827] apic_timer_interrupt+0xf/0x20 [ 273.886119] [ 273.888391] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 273.893344] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 273.912264] RSP: 0000:ffff88019f217748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 273.920000] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 273.927287] RDX: 0000000000000000 RSI: ffff88019f972d00 RDI: 0000000000000282 [ 273.934573] RBP: ffff88019f2177b0 R08: ffff88019f972480 R09: 0000000000000000 [ 273.941865] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 273.949152] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 273.956488] skb_clone+0x1bb/0x500 [ 273.960051] ? finish_task_switch+0x2f5/0x900 [ 273.964569] ? skb_split+0x11e0/0x11e0 [ 273.968472] ? preempt_notifier_register+0x200/0x200 [ 273.973641] ? __switch_to_asm+0x34/0x70 [ 273.977725] ? __switch_to_asm+0x34/0x70 [ 273.981793] ? __switch_to_asm+0x40/0x70 [ 273.985864] ? __switch_to_asm+0x34/0x70 [ 273.989935] ? __switch_to_asm+0x40/0x70 [ 273.994002] ? __switch_to_asm+0x34/0x70 [ 273.998088] ? __switch_to_asm+0x40/0x70 [ 274.002168] ? __switch_to_asm+0x34/0x70 [ 274.006250] ? __switch_to_asm+0x34/0x70 [ 274.010328] ? __switch_to_asm+0x40/0x70 [ 274.014403] ? __switch_to_asm+0x34/0x70 [ 274.018483] bpf_clone_redirect+0xb9/0x490 [ 274.022727] ? __schedule+0x874/0x1ed0 [ 274.026631] bpf_prog_a2323609a0d1adb1+0x624/0x1000 [ 274.031680] ? __sched_text_start+0x8/0x8 [ 274.035853] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 274.040655] ? find_held_lock+0x36/0x1c0 [ 274.044748] ? lock_acquire+0x1ed/0x520 [ 274.048736] ? bpf_test_run+0x32e/0x5a0 [ 274.052726] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.058279] ? check_preemption_disabled+0x48/0x200 [ 274.063360] ? kasan_check_read+0x11/0x20 [ 274.067528] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 274.072821] ? rcu_bh_qs+0xc0/0xc0 [ 274.076375] ? preempt_schedule+0x4d/0x60 [ 274.080534] ? ___preempt_schedule+0x16/0x18 [ 274.084960] ? bpf_test_run+0x1c0/0x5a0 [ 274.088956] ? netlink_diag_dump+0x2a0/0x2a0 [ 274.093377] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 274.098935] ? bpf_test_init.isra.9+0x70/0x100 [ 274.103546] ? bpf_prog_test_run_skb+0x634/0xb40 [ 274.108338] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 274.113200] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 274.118753] ? fput+0x130/0x1a0 [ 274.122048] ? __bpf_prog_get+0x9b/0x290 [ 274.126133] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 274.130988] ? bpf_prog_test_run+0x130/0x1a0 [ 274.135408] ? __x64_sys_bpf+0x3d8/0x510 [ 274.139488] ? bpf_prog_get+0x20/0x20 [ 274.143338] ? do_syscall_64+0x1b9/0x820 [ 274.147411] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 274.152789] ? syscall_return_slowpath+0x5e0/0x5e0 [ 274.157728] ? trace_hardirqs_off+0x300/0x300 [ 274.162225] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 274.167247] ? recalc_sigpending_tsk+0x180/0x180 [ 274.172024] ? kasan_check_write+0x14/0x20 [ 274.176285] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 274.181160] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 274.186566] CPU: 1 PID: 5351 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51 [ 274.186637] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 274.193782] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 274.193789] Call Trace: [ 274.193796] [ 274.193819] dump_stack+0x1c4/0x2b4 [ 274.193841] ? dump_stack_print_info.cold.2+0x52/0x52 [ 274.193867] warn_alloc.cold.118+0xb7/0x1bd [ 274.200466] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 274.209731] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 274.212328] syz-executor0 cpuset= [ 274.214478] ? lock_downgrade+0x900/0x900 [ 274.218087] syz0 [ 274.223284] ? trace_hardirqs_off+0xb8/0x300 [ 274.227579] mems_allowed=0 [ 274.238065] ? trace_hardirqs_off+0xb8/0x300 [ 274.264667] __alloc_pages_slowpath+0x2667/0x2d80 [ 274.269547] ? warn_alloc+0x120/0x120 [ 274.273366] ? warn_alloc+0x120/0x120 [ 274.277178] ? print_usage_bug+0xc0/0xc0 [ 274.281246] ? warn_alloc+0x120/0x120 [ 274.285053] ? print_usage_bug+0xc0/0xc0 [ 274.289140] ? __lock_acquire+0x7ec/0x4ec0 [ 274.293390] ? __lock_acquire+0x7ec/0x4ec0 [ 274.297649] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 274.303210] ? should_fail+0x22d/0xd01 [ 274.307134] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 274.312266] ? __lock_acquire+0x7ec/0x4ec0 [ 274.316528] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 274.321650] ? __lock_acquire+0x7ec/0x4ec0 [ 274.325904] ? should_fail+0x22d/0xd01 [ 274.329827] ? mark_held_locks+0x130/0x130 [ 274.334104] ? mark_held_locks+0x130/0x130 [ 274.338361] ? graph_lock+0x170/0x170 [ 274.342176] ? graph_lock+0x170/0x170 [ 274.345986] ? graph_lock+0x170/0x170 [ 274.349794] ? print_usage_bug+0xc0/0xc0 [ 274.353861] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.359401] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.364945] ? check_preemption_disabled+0x48/0x200 [ 274.369964] ? check_preemption_disabled+0x48/0x200 [ 274.374999] ? __lock_is_held+0xb5/0x140 [ 274.379084] __alloc_pages_nodemask+0xa80/0xde0 [ 274.383762] ? graph_lock+0x170/0x170 [ 274.387576] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 274.392594] ? graph_lock+0x170/0x170 [ 274.396410] ? find_held_lock+0x36/0x1c0 [ 274.400487] ? ____cache_alloc_node+0x1c7/0x1e0 [ 274.405172] ? lock_downgrade+0x900/0x900 [ 274.409347] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.414908] cache_grow_begin+0x91/0x8c0 [ 274.418987] ? do_raw_spin_unlock+0xa7/0x2f0 [ 274.423427] fallback_alloc+0x203/0x2e0 [ 274.427433] ____cache_alloc_node+0x1c7/0x1e0 [ 274.431959] kmem_cache_alloc_node+0xe3/0x730 [ 274.436481] ? ipv6_get_ifaddr+0x42e/0x620 [ 274.440746] __alloc_skb+0x119/0x770 [ 274.444480] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 274.449779] ? skb_scrub_packet+0x490/0x490 [ 274.454123] ? lock_downgrade+0x900/0x900 [ 274.458301] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.463862] ? refcount_sub_and_test_checked+0x203/0x310 [ 274.469354] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 274.474824] ? addrconf_rs_timer+0x6f0/0x6f0 [ 274.479271] ndisc_alloc_skb+0x144/0x340 [ 274.483366] ndisc_send_rs+0x331/0x6e0 [ 274.487292] addrconf_rs_timer+0x3c0/0x6f0 [ 274.491563] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.495839] call_timer_fn+0x272/0x920 [ 274.499741] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.503994] ? process_timeout+0x40/0x40 [ 274.508065] ? find_held_lock+0x36/0x1c0 [ 274.512158] ? __run_timers+0x7da/0xc70 [ 274.516145] ? _raw_spin_unlock_irq+0x27/0x80 [ 274.520648] ? _raw_spin_unlock_irq+0x27/0x80 [ 274.525151] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.529396] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 274.533988] ? trace_hardirqs_on+0xbd/0x310 [ 274.538319] ? kasan_check_read+0x11/0x20 [ 274.542480] ? __run_timers+0x7da/0xc70 [ 274.546462] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 274.551928] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.556179] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 274.560425] __run_timers+0x7e5/0xc70 [ 274.564252] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 274.569644] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 274.574694] ? graph_lock+0x170/0x170 [ 274.578527] ? enqueue_hrtimer+0x1a5/0x560 [ 274.582787] ? lock_release+0x970/0x970 [ 274.586795] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 274.592022] ? find_held_lock+0x36/0x1c0 [ 274.596116] ? pvclock_read_flags+0x160/0x160 [ 274.600629] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.606185] ? check_preemption_disabled+0x48/0x200 [ 274.611236] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 274.616796] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 274.622112] ? rcu_pm_notify+0xc0/0xc0 [ 274.626021] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.631579] ? check_preemption_disabled+0x48/0x200 [ 274.636614] run_timer_softirq+0x52/0xb0 [ 274.640677] ? rcu_read_lock_sched_held+0x108/0x120 [ 274.645703] __do_softirq+0x30b/0xad8 [ 274.649521] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 274.654636] ? pvclock_read_flags+0x160/0x160 [ 274.659147] ? lapic_next_event+0x5a/0x90 [ 274.663316] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.668878] ? check_preemption_disabled+0x48/0x200 [ 274.673908] ? check_preemption_disabled+0x48/0x200 [ 274.678938] ? kvm_clock_read+0x18/0x30 [ 274.682921] ? kvm_sched_clock_read+0x9/0x20 [ 274.687348] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.692913] ? check_preemption_disabled+0x48/0x200 [ 274.697960] irq_exit+0x17f/0x1c0 [ 274.701429] smp_apic_timer_interrupt+0x1cb/0x760 [ 274.706288] ? smp_reschedule_interrupt+0x109/0x650 [ 274.711314] ? smp_call_function_single_interrupt+0x650/0x650 [ 274.717213] ? interrupt_entry+0xb5/0xf0 [ 274.721289] ? trace_hardirqs_off_caller+0xbb/0x300 [ 274.726311] ? trace_hardirqs_off_caller+0xbb/0x300 [ 274.731342] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 274.736197] ? trace_hardirqs_off+0x300/0x300 [ 274.740710] ? trace_hardirqs_off+0x300/0x300 [ 274.745229] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.750783] ? check_preemption_disabled+0x48/0x200 [ 274.755809] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.761368] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 274.766226] apic_timer_interrupt+0xf/0x20 [ 274.770458] [ 274.772699] RIP: 0010:_raw_write_unlock_irq+0x56/0x80 [ 274.777892] Code: 52 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d ab aa 92 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 f0 ec 95 f9 65 8b 05 a9 6e 42 78 85 c0 74 05 5b [ 274.796811] RSP: 0018:ffff8801d8cf7350 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 274.804552] RAX: dffffc0000000000 RBX: ffffffff894090c0 RCX: 0000000000000000 [ 274.811851] RDX: 1ffffffff12a4537 RSI: 0000000000000001 RDI: ffffffff895229b8 [ 274.819147] RBP: ffff8801d8cf7358 R08: ffff8801c24ca580 R09: 0000000000000000 [ 274.826435] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d70737c0 [ 274.833729] R13: ffff8801d8cf7490 R14: 0000000000000000 R15: ffff8801c24cab00 [ 274.841057] do_exit+0x11ef/0x2610 [ 274.844643] ? mem_cgroup_commit_charge+0x275/0x9d0 [ 274.849709] ? mm_update_next_owner+0x990/0x990 [ 274.854399] ? print_usage_bug+0xc0/0xc0 [ 274.858497] ? graph_lock+0x170/0x170 [ 274.862336] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.867899] ? check_preemption_disabled+0x48/0x200 [ 274.872931] ? check_preemption_disabled+0x48/0x200 [ 274.877972] ? print_usage_bug+0xc0/0xc0 [ 274.882077] ? __lock_acquire+0x7ec/0x4ec0 [ 274.886343] ? __lock_acquire+0x7ec/0x4ec0 [ 274.890617] ? mark_held_locks+0x130/0x130 [ 274.894886] ? mark_held_locks+0x130/0x130 [ 274.899144] ? finish_task_switch+0x1b5/0x900 [ 274.903662] ? __switch_to_asm+0x34/0x70 [ 274.907928] ? __switch_to_asm+0x34/0x70 [ 274.912014] ? __switch_to_asm+0x34/0x70 [ 274.916107] ? __switch_to_asm+0x40/0x70 [ 274.920190] ? __switch_to_asm+0x34/0x70 [ 274.924268] ? __switch_to_asm+0x40/0x70 [ 274.928347] ? __switch_to_asm+0x34/0x70 [ 274.932426] ? __switch_to_asm+0x34/0x70 [ 274.936499] ? __switch_to_asm+0x34/0x70 [ 274.940570] ? __switch_to_asm+0x34/0x70 [ 274.944650] ? __switch_to_asm+0x40/0x70 [ 274.948733] ? __switch_to_asm+0x34/0x70 [ 274.952815] ? __switch_to_asm+0x40/0x70 [ 274.956909] ? graph_lock+0x170/0x170 [ 274.960729] ? graph_lock+0x170/0x170 [ 274.964546] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 274.970110] ? wait_consider_task+0x245/0x3bb0 [ 274.974708] ? memset+0x31/0x40 [ 274.978006] ? find_held_lock+0x36/0x1c0 [ 274.982110] ? get_signal+0x95b/0x1980 [ 274.986016] ? _raw_spin_unlock_irq+0x27/0x80 [ 274.990515] ? _raw_spin_unlock_irq+0x27/0x80 [ 274.995027] do_group_exit+0x177/0x440 [ 274.998924] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 275.004389] ? __ia32_sys_exit+0x50/0x50 [ 275.008473] get_signal+0x8b0/0x1980 [ 275.012207] ? ptrace_notify+0x130/0x130 [ 275.016272] ? do_wait+0x57d/0xb90 [ 275.019828] ? wait_consider_task+0x3bb0/0x3bb0 [ 275.024517] ? graph_lock+0x170/0x170 [ 275.028350] ? graph_lock+0x170/0x170 [ 275.032161] ? graph_lock+0x170/0x170 [ 275.035992] do_signal+0x9c/0x21e0 [ 275.039542] ? find_held_lock+0x36/0x1c0 [ 275.043617] ? setup_sigcontext+0x7d0/0x7d0 [ 275.047944] ? kernel_wait4+0x2e0/0x3f0 [ 275.051930] ? __ia32_sys_waitid+0x140/0x140 [ 275.056347] ? task_stopped_code+0x190/0x190 [ 275.060765] ? exit_to_usermode_loop+0x8c/0x380 [ 275.065470] ? __do_page_fault+0x4a6/0xed0 [ 275.069728] ? do_syscall_64+0x9a/0x820 [ 275.073724] ? do_syscall_64+0x9a/0x820 [ 275.077724] exit_to_usermode_loop+0x2e5/0x380 [ 275.082343] ? syscall_slow_exit_work+0x520/0x520 [ 275.087228] do_syscall_64+0x6be/0x820 [ 275.091125] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 275.096498] ? syscall_return_slowpath+0x5e0/0x5e0 [ 275.101435] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 275.106293] ? trace_hardirqs_off+0x300/0x300 [ 275.110799] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 275.115841] ? prepare_exit_to_usermode+0x291/0x3b0 [ 275.120879] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 275.126190] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 275.131386] RIP: 0033:0x410e7a [ 275.134583] Code: Bad RIP value. [ 275.137947] RSP: 002b:00007ffdfa797988 EFLAGS: 00000246 ORIG_RAX: 000000000000003d [ 275.145661] RAX: fffffffffffffe00 RBX: 00000000000014f2 RCX: 0000000000410e7a [ 275.152946] RDX: 0000000040000000 RSI: 00007ffdfa797994 RDI: ffffffffffffffff [ 275.160221] RBP: 0000000000930b28 R08: 00000000000014e7 R09: 00000000024eb940 [ 275.167507] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010 [ 275.174786] R13: 0000000000412a80 R14: 0000000000000000 R15: 0000000000000000 [ 275.182103] warn_alloc_show_mem: 1 callbacks suppressed [ 275.182117] CPU: 0 PID: 9562 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51 [ 275.182118] Mem-Info: [ 275.182148] active_anon:43308 inactive_anon:372 isolated_anon:0 [ 275.182148] active_file:9 inactive_file:26 isolated_file:0 [ 275.182148] unevictable:0 dirty:0 writeback:0 unstable:0 [ 275.182148] slab_reclaimable:8855 slab_unreclaimable:1462387 [ 275.182148] mapped:57522 shmem:379 pagetables:727 bounce:0 [ 275.182148] free:13711 free_pcp:202 free_cma:0 [ 275.187499] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 275.187509] Call Trace: [ 275.194715] Node 0 active_anon:173232kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 275.197125] [ 275.229920] Node 0 [ 275.239296] dump_stack+0x1c4/0x2b4 [ 275.241885] 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 [ 275.269635] ? dump_stack_print_info.cold.2+0x52/0x52 [ 275.271764] lowmem_reserve[]: [ 275.274010] warn_alloc.cold.118+0xb7/0x1bd [ 275.277615] 0 [ 275.303158] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 275.308332] 2817 [ 275.311451] ? lock_downgrade+0x900/0x900 [ 275.315749] 6321 [ 275.317557] ? trace_hardirqs_off+0xb8/0x300 [ 275.322372] 6321 [ 275.324446] ? trace_hardirqs_off+0xb8/0x300 [ 275.328565] Node 0 [ 275.330640] __alloc_pages_slowpath+0x2667/0x2d80 [ 275.335043] DMA32 free:24940kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 275.337121] ? warn_alloc+0x120/0x120 [ 275.341475] lowmem_reserve[]: 0 [ 275.343728] ? trace_hardirqs_on+0x310/0x310 [ 275.348537] 0 3503 [ 275.375392] ? warn_alloc+0x120/0x120 [ 275.379183] 3503 [ 275.382477] ? print_usage_bug+0xc0/0xc0 [ 275.386870] Node 0 [ 275.389118] ? warn_alloc+0x120/0x120 [ 275.392918] Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:169136kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5568kB pagetables:2908kB bounce:0kB free_pcp:808kB local_pcp:692kB free_cma:0kB [ 275.394956] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 275.398992] lowmem_reserve[]: [ 275.401231] ? print_usage_bug+0xc0/0xc0 [ 275.404998] 0 0 [ 275.433499] ? __lock_acquire+0x7ec/0x4ec0 [ 275.438497] 0 [ 275.441606] ? __lock_acquire+0x7ec/0x4ec0 [ 275.445640] 0 [ 275.447629] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 275.451855] Node 0 [ 275.453665] ? should_fail+0x22d/0xd01 [ 275.457882] DMA: [ 275.459690] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 275.465213] 1*4kB [ 275.467460] ? __lock_acquire+0x7ec/0x4ec0 [ 275.471318] (U) 0*8kB [ 275.473402] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 275.478473] 0*16kB 1*32kB [ 275.480637] ? __lock_acquire+0x7ec/0x4ec0 [ 275.484855] (U) [ 275.487363] ? should_fail+0x22d/0xd01 [ 275.492454] 2*64kB [ 275.495314] ? print_usage_bug+0xc0/0xc0 [ 275.499534] (U) [ 275.501521] ? mark_held_locks+0x130/0x130 [ 275.505372] 1*128kB (U) [ 275.507626] ? mark_held_locks+0x130/0x130 [ 275.511661] 1*256kB (U) [ 275.513658] ? graph_lock+0x170/0x170 [ 275.517867] 0*512kB [ 275.520540] ? print_usage_bug+0xc0/0xc0 [ 275.524746] 1*1024kB (U) [ 275.527429] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 275.531208] 1*2048kB (M) [ 275.533565] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.537610] 3*4096kB [ 275.540382] ? check_preemption_disabled+0x48/0x200 [ 275.545116] (M) [ 275.547884] ? check_preemption_disabled+0x48/0x200 [ 275.553397] = 15908kB [ 275.555990] ? __lock_is_held+0xb5/0x140 [ 275.560972] Node 0 [ 275.562955] __alloc_pages_nodemask+0xa80/0xde0 [ 275.567939] DMA32: [ 275.570359] ? graph_lock+0x170/0x170 [ 275.574396] 3*4kB [ 275.576636] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 275.581280] (UM) [ 275.583521] ? graph_lock+0x170/0x170 [ 275.587293] 2*8kB (U) [ 275.589461] ? find_held_lock+0x36/0x1c0 [ 275.594439] 5*16kB (UM) [ 275.596524] ? ____cache_alloc_node+0x1c7/0x1e0 [ 275.600284] 2*32kB (UM) [ 275.602793] ? lock_downgrade+0x900/0x900 [ 275.606827] 3*64kB (UM) [ 275.609520] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.614168] 4*128kB (UM) [ 275.616868] cache_grow_begin+0x91/0x8c0 [ 275.620993] 2*256kB (M) [ 275.623688] ? do_raw_spin_unlock+0xa7/0x2f0 [ 275.629209] 4*512kB [ 275.631982] fallback_alloc+0x203/0x2e0 [ 275.636020] (UM) [ 275.638710] ____cache_alloc_node+0x1c7/0x1e0 [ 275.643097] 3*1024kB [ 275.645430] kmem_cache_alloc_node+0xe3/0x730 [ 275.649379] (M) [ 275.651444] ? ipv6_get_ifaddr+0x42e/0x620 [ 275.655918] 1*2048kB [ 275.658357] __alloc_skb+0x119/0x770 [ 275.662792] (U) 4*4096kB [ 275.664780] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 275.668988] (M) [ 275.671400] ? skb_scrub_packet+0x490/0x490 [ 275.675088] = 24940kB [ 275.677844] ? lock_downgrade+0x900/0x900 [ 275.683103] Node 0 [ 275.685087] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.689371] Normal: 667*4kB [ 275.691801] ? refcount_sub_and_test_checked+0x203/0x310 [ 275.695938] (UMEH) [ 275.698198] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 275.703716] 358*8kB [ 275.706748] ? addrconf_rs_timer+0x6f0/0x6f0 [ 275.712173] (UMEH) 191*16kB [ 275.714448] ndisc_alloc_skb+0x144/0x340 [ 275.719877] (UMEH) [ 275.722230] ndisc_send_rs+0x331/0x6e0 [ 275.726611] 81*32kB (UMEH) [ 275.729664] addrconf_rs_timer+0x3c0/0x6f0 [ 275.733713] 30*64kB [ 275.735972] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.739827] (UMH) 1*128kB [ 275.742801] call_timer_fn+0x272/0x920 [ 275.747015] (M) [ 275.749360] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.753566] 3*256kB (UH) [ 275.756440] ? process_timeout+0x40/0x40 [ 275.760306] 0*512kB 0*1024kB [ 275.762311] ? find_held_lock+0x36/0x1c0 [ 275.766526] 0*2048kB 0*4096kB [ 275.769318] ? __run_timers+0x7da/0xc70 [ 275.773354] = 13996kB [ 275.773369] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 275.776491] ? _raw_spin_unlock_irq+0x27/0x80 [ 275.780535] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 275.780545] 414 total pagecache pages [ 275.783743] ? _raw_spin_unlock_irq+0x27/0x80 [ 275.787703] 0 pages in swap cache [ 275.790118] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.798946] Swap cache stats: add 0, delete 0, find 0/0 [ 275.803455] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 275.812016] Free swap = 0kB [ 275.812028] Total swap = 0kB [ 275.815861] ? trace_hardirqs_on+0xbd/0x310 [ 275.820347] 1965979 pages RAM [ 275.823822] ? kasan_check_read+0x11/0x20 [ 275.828053] 0 pages HighMem/MovableOnly [ 275.828064] 342744 pages reserved [ 275.833464] ? __run_timers+0x7da/0xc70 [ 275.838027] 0 pages cma reserved [ 275.838110] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 275.841067] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 275.844143] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 275.848410] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.851497] syz-executor1 cpuset= [ 275.855652] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 275.859602] / [ 275.863061] __run_timers+0x7e5/0xc70 [ 275.867028] mems_allowed=0 [ 275.870426] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 275.918642] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 275.923694] ? graph_lock+0x170/0x170 [ 275.927546] ? enqueue_hrtimer+0x1a5/0x560 [ 275.931808] ? lock_release+0x970/0x970 [ 275.935813] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 275.941038] ? find_held_lock+0x36/0x1c0 [ 275.945131] ? graph_lock+0x170/0x170 [ 275.948950] ? pvclock_read_flags+0x160/0x160 [ 275.953466] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.959029] ? check_preemption_disabled+0x48/0x200 [ 275.964086] ? __lock_is_held+0xb5/0x140 [ 275.968166] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 275.973747] ? check_preemption_disabled+0x48/0x200 [ 275.978795] run_timer_softirq+0x52/0xb0 [ 275.982871] ? rcu_read_lock_sched_held+0x108/0x120 [ 275.987912] __do_softirq+0x30b/0xad8 [ 275.991746] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 275.996878] ? pvclock_read_flags+0x160/0x160 [ 276.001395] ? lapic_next_event+0x5a/0x90 [ 276.005563] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.011127] ? check_preemption_disabled+0x48/0x200 [ 276.016167] ? check_preemption_disabled+0x48/0x200 [ 276.021218] ? kvm_clock_read+0x18/0x30 [ 276.025225] ? kvm_sched_clock_read+0x9/0x20 [ 276.029667] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.035242] ? check_preemption_disabled+0x48/0x200 [ 276.040307] irq_exit+0x17f/0x1c0 [ 276.043802] smp_apic_timer_interrupt+0x1cb/0x760 [ 276.048674] ? smp_reschedule_interrupt+0x109/0x650 [ 276.053720] ? smp_call_function_single_interrupt+0x650/0x650 [ 276.059627] ? interrupt_entry+0xb5/0xf0 [ 276.063711] ? trace_hardirqs_off_caller+0xbb/0x300 [ 276.068740] ? trace_hardirqs_off_caller+0xbb/0x300 [ 276.073774] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 276.078632] ? trace_hardirqs_off+0x300/0x300 [ 276.083137] ? trace_hardirqs_off+0x300/0x300 [ 276.087654] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 276.093207] ? check_preemption_disabled+0x48/0x200 [ 276.098233] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 276.103789] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 276.108650] apic_timer_interrupt+0xf/0x20 [ 276.112882] [ 276.115128] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 276.120065] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 276.138987] RSP: 0000:ffff88019f217748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 276.146707] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 276.153985] RDX: 0000000000000000 RSI: ffff88019f972d00 RDI: 0000000000000282 [ 276.161267] RBP: ffff88019f2177b0 R08: ffff88019f972480 R09: 0000000000000000 [ 276.168549] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 276.175834] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 276.183171] skb_clone+0x1bb/0x500 [ 276.186744] ? finish_task_switch+0x2f5/0x900 [ 276.191277] ? skb_split+0x11e0/0x11e0 [ 276.195203] ? preempt_notifier_register+0x200/0x200 [ 276.200338] ? __switch_to_asm+0x34/0x70 [ 276.204418] ? __switch_to_asm+0x34/0x70 [ 276.208492] ? __switch_to_asm+0x40/0x70 [ 276.212573] ? __switch_to_asm+0x34/0x70 [ 276.216664] ? __switch_to_asm+0x40/0x70 [ 276.220727] ? __switch_to_asm+0x34/0x70 [ 276.224790] ? __switch_to_asm+0x40/0x70 [ 276.228857] ? __switch_to_asm+0x34/0x70 [ 276.232929] ? __switch_to_asm+0x34/0x70 [ 276.236997] ? __switch_to_asm+0x40/0x70 [ 276.241094] ? __switch_to_asm+0x34/0x70 [ 276.245204] bpf_clone_redirect+0xb9/0x490 [ 276.249468] ? __schedule+0x874/0x1ed0 [ 276.253378] bpf_prog_a2323609a0d1adb1+0x624/0x1000 [ 276.258667] ? __sched_text_start+0x8/0x8 [ 276.262822] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 276.267596] ? find_held_lock+0x36/0x1c0 [ 276.271671] ? lock_acquire+0x1ed/0x520 [ 276.275647] ? bpf_test_run+0x32e/0x5a0 [ 276.279632] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.285196] ? check_preemption_disabled+0x48/0x200 [ 276.290245] ? kasan_check_read+0x11/0x20 [ 276.294407] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 276.299693] ? rcu_bh_qs+0xc0/0xc0 [ 276.303245] ? preempt_schedule+0x4d/0x60 [ 276.307402] ? ___preempt_schedule+0x16/0x18 [ 276.311826] ? bpf_test_run+0x1c0/0x5a0 [ 276.315818] ? netlink_diag_dump+0x2a0/0x2a0 [ 276.320241] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 276.325794] ? bpf_test_init.isra.9+0x70/0x100 [ 276.330388] ? bpf_prog_test_run_skb+0x634/0xb40 [ 276.335163] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 276.340011] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 276.345553] ? fput+0x130/0x1a0 [ 276.348847] ? __bpf_prog_get+0x9b/0x290 [ 276.352931] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 276.357783] ? bpf_prog_test_run+0x130/0x1a0 [ 276.362222] ? __x64_sys_bpf+0x3d8/0x510 [ 276.366308] ? bpf_prog_get+0x20/0x20 [ 276.370166] ? do_syscall_64+0x1b9/0x820 [ 276.374245] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 276.379644] ? syscall_return_slowpath+0x5e0/0x5e0 [ 276.384604] ? trace_hardirqs_off+0x300/0x300 [ 276.389121] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 276.394154] ? recalc_sigpending_tsk+0x180/0x180 [ 276.398940] ? kasan_check_write+0x14/0x20 [ 276.403213] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 276.408130] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 276.413532] CPU: 1 PID: 5351 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51 [ 276.413621] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 276.420763] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 276.420768] Call Trace: [ 276.420775] [ 276.420795] dump_stack+0x1c4/0x2b4 [ 276.420811] ? dump_stack_print_info.cold.2+0x52/0x52 [ 276.420846] warn_alloc.cold.118+0xb7/0x1bd [ 276.427441] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 276.436697] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 276.439262] syz-executor0 cpuset= [ 276.441411] ? lock_downgrade+0x900/0x900 [ 276.445011] syz0 [ 276.450209] ? trace_hardirqs_off+0xb8/0x300 [ 276.454508] mems_allowed=0 [ 276.465007] ? trace_hardirqs_off+0xb8/0x300 [ 276.491206] __alloc_pages_slowpath+0x2667/0x2d80 [ 276.496113] ? warn_alloc+0x120/0x120 [ 276.499941] ? warn_alloc+0x120/0x120 [ 276.503758] ? print_usage_bug+0xc0/0xc0 [ 276.507838] ? warn_alloc+0x120/0x120 [ 276.511654] ? print_usage_bug+0xc0/0xc0 [ 276.515731] ? __lock_acquire+0x7ec/0x4ec0 [ 276.519977] ? __lock_acquire+0x7ec/0x4ec0 [ 276.524221] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 276.529767] ? should_fail+0x22d/0xd01 [ 276.533672] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 276.538787] ? __lock_acquire+0x7ec/0x4ec0 [ 276.543034] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 276.548144] ? __lock_acquire+0x7ec/0x4ec0 [ 276.552388] ? should_fail+0x22d/0xd01 [ 276.556295] ? mark_held_locks+0x130/0x130 [ 276.560548] ? mark_held_locks+0x130/0x130 [ 276.564795] ? graph_lock+0x170/0x170 [ 276.568599] ? graph_lock+0x170/0x170 [ 276.572406] ? graph_lock+0x170/0x170 [ 276.576211] ? print_usage_bug+0xc0/0xc0 [ 276.580277] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.585823] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.591379] ? check_preemption_disabled+0x48/0x200 [ 276.596410] ? check_preemption_disabled+0x48/0x200 [ 276.601452] ? __lock_is_held+0xb5/0x140 [ 276.605528] __alloc_pages_nodemask+0xa80/0xde0 [ 276.610211] ? graph_lock+0x170/0x170 [ 276.614027] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 276.619051] ? graph_lock+0x170/0x170 [ 276.622879] ? find_held_lock+0x36/0x1c0 [ 276.626960] ? ____cache_alloc_node+0x1c7/0x1e0 [ 276.631641] ? lock_downgrade+0x900/0x900 [ 276.635804] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.641361] cache_grow_begin+0x91/0x8c0 [ 276.645428] ? do_raw_spin_unlock+0xa7/0x2f0 [ 276.649855] fallback_alloc+0x203/0x2e0 [ 276.653850] ____cache_alloc_node+0x1c7/0x1e0 [ 276.658362] kmem_cache_alloc_node+0xe3/0x730 [ 276.662875] ? ipv6_get_ifaddr+0x42e/0x620 [ 276.667133] __alloc_skb+0x119/0x770 [ 276.670862] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 276.676153] ? skb_scrub_packet+0x490/0x490 [ 276.680482] ? lock_downgrade+0x900/0x900 [ 276.684642] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.690183] ? refcount_sub_and_test_checked+0x203/0x310 [ 276.695651] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 276.701121] ? addrconf_rs_timer+0x6f0/0x6f0 [ 276.705553] ndisc_alloc_skb+0x144/0x340 [ 276.709626] ndisc_send_rs+0x331/0x6e0 [ 276.713533] addrconf_rs_timer+0x3c0/0x6f0 [ 276.717780] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 276.722038] call_timer_fn+0x272/0x920 [ 276.725938] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 276.730186] ? process_timeout+0x40/0x40 [ 276.734252] ? find_held_lock+0x36/0x1c0 [ 276.738329] ? __run_timers+0x7da/0xc70 [ 276.742310] ? _raw_spin_unlock_irq+0x27/0x80 [ 276.746810] ? _raw_spin_unlock_irq+0x27/0x80 [ 276.751310] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 276.755548] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 276.760139] ? trace_hardirqs_on+0xbd/0x310 [ 276.764464] ? kasan_check_read+0x11/0x20 [ 276.768621] ? __run_timers+0x7da/0xc70 [ 276.772606] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 276.778068] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 276.782325] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 276.786565] __run_timers+0x7e5/0xc70 [ 276.790386] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 276.795763] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 276.800794] ? graph_lock+0x170/0x170 [ 276.804605] ? enqueue_hrtimer+0x1a5/0x560 [ 276.808856] ? lock_release+0x970/0x970 [ 276.812849] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 276.818062] ? find_held_lock+0x36/0x1c0 [ 276.822151] ? pvclock_read_flags+0x160/0x160 [ 276.826655] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.832209] ? check_preemption_disabled+0x48/0x200 [ 276.837249] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 276.842798] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 276.848104] ? rcu_pm_notify+0xc0/0xc0 [ 276.852005] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.857566] ? check_preemption_disabled+0x48/0x200 [ 276.862615] run_timer_softirq+0x52/0xb0 [ 276.866690] ? rcu_read_lock_sched_held+0x108/0x120 [ 276.871723] __do_softirq+0x30b/0xad8 [ 276.875565] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 276.880729] ? pvclock_read_flags+0x160/0x160 [ 276.885249] ? lapic_next_event+0x5a/0x90 [ 276.889421] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.894988] ? check_preemption_disabled+0x48/0x200 [ 276.900037] ? check_preemption_disabled+0x48/0x200 [ 276.905108] ? kvm_clock_read+0x18/0x30 [ 276.909120] ? kvm_sched_clock_read+0x9/0x20 [ 276.913567] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.919140] ? check_preemption_disabled+0x48/0x200 [ 276.924205] irq_exit+0x17f/0x1c0 [ 276.927687] smp_apic_timer_interrupt+0x1cb/0x760 [ 276.932554] ? smp_reschedule_interrupt+0x109/0x650 [ 276.937600] ? smp_call_function_single_interrupt+0x650/0x650 [ 276.943509] ? interrupt_entry+0xb5/0xf0 [ 276.947601] ? trace_hardirqs_off_caller+0xbb/0x300 [ 276.952647] ? trace_hardirqs_off_caller+0xbb/0x300 [ 276.957700] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 276.962582] ? trace_hardirqs_off+0x300/0x300 [ 276.967111] ? trace_hardirqs_off+0x300/0x300 [ 276.971627] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.977192] ? check_preemption_disabled+0x48/0x200 [ 276.982231] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 276.987805] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 276.992685] apic_timer_interrupt+0xf/0x20 [ 276.996930] [ 276.999184] RIP: 0010:_raw_write_unlock_irq+0x56/0x80 [ 277.004397] Code: 52 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d ab aa 92 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 f0 ec 95 f9 65 8b 05 a9 6e 42 78 85 c0 74 05 5b [ 277.023320] RSP: 0018:ffff8801d8cf7350 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 277.031064] RAX: dffffc0000000000 RBX: ffffffff894090c0 RCX: 0000000000000000 [ 277.038367] RDX: 1ffffffff12a4537 RSI: 0000000000000001 RDI: ffffffff895229b8 [ 277.045664] RBP: ffff8801d8cf7358 R08: ffff8801c24ca580 R09: 0000000000000000 [ 277.052962] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d70737c0 [ 277.060253] R13: ffff8801d8cf7490 R14: 0000000000000000 R15: ffff8801c24cab00 [ 277.067587] do_exit+0x11ef/0x2610 [ 277.071155] ? mem_cgroup_commit_charge+0x275/0x9d0 [ 277.076210] ? mm_update_next_owner+0x990/0x990 [ 277.080910] ? print_usage_bug+0xc0/0xc0 [ 277.085005] ? graph_lock+0x170/0x170 [ 277.088846] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.094413] ? check_preemption_disabled+0x48/0x200 [ 277.099456] ? check_preemption_disabled+0x48/0x200 [ 277.104500] ? print_usage_bug+0xc0/0xc0 [ 277.108587] ? __lock_acquire+0x7ec/0x4ec0 [ 277.112865] ? __lock_acquire+0x7ec/0x4ec0 [ 277.117145] ? mark_held_locks+0x130/0x130 [ 277.121412] ? mark_held_locks+0x130/0x130 [ 277.126277] ? finish_task_switch+0x1b5/0x900 [ 277.130791] ? __switch_to_asm+0x34/0x70 [ 277.134886] ? __switch_to_asm+0x34/0x70 [ 277.138991] ? __switch_to_asm+0x34/0x70 [ 277.143088] ? __switch_to_asm+0x40/0x70 [ 277.147180] ? __switch_to_asm+0x34/0x70 [ 277.151266] ? __switch_to_asm+0x40/0x70 [ 277.155354] ? __switch_to_asm+0x34/0x70 [ 277.159437] ? __switch_to_asm+0x34/0x70 [ 277.163519] ? __switch_to_asm+0x34/0x70 [ 277.167602] ? __switch_to_asm+0x34/0x70 [ 277.171684] ? __switch_to_asm+0x40/0x70 [ 277.175764] ? __switch_to_asm+0x34/0x70 [ 277.179851] ? __switch_to_asm+0x40/0x70 [ 277.183944] ? graph_lock+0x170/0x170 [ 277.187774] ? graph_lock+0x170/0x170 [ 277.191603] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.197169] ? wait_consider_task+0x245/0x3bb0 [ 277.201783] ? memset+0x31/0x40 [ 277.205096] ? find_held_lock+0x36/0x1c0 [ 277.209191] ? get_signal+0x95b/0x1980 [ 277.213110] ? _raw_spin_unlock_irq+0x27/0x80 [ 277.217634] ? _raw_spin_unlock_irq+0x27/0x80 [ 277.222163] do_group_exit+0x177/0x440 [ 277.226106] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 277.231586] ? __ia32_sys_exit+0x50/0x50 [ 277.235688] get_signal+0x8b0/0x1980 [ 277.239431] ? ptrace_notify+0x130/0x130 [ 277.243511] ? do_wait+0x57d/0xb90 [ 277.247096] ? wait_consider_task+0x3bb0/0x3bb0 [ 277.251805] ? graph_lock+0x170/0x170 [ 277.255630] ? graph_lock+0x170/0x170 [ 277.259459] ? graph_lock+0x170/0x170 [ 277.263302] do_signal+0x9c/0x21e0 [ 277.266873] ? find_held_lock+0x36/0x1c0 [ 277.270966] ? setup_sigcontext+0x7d0/0x7d0 [ 277.275314] ? kernel_wait4+0x2e0/0x3f0 [ 277.279316] ? __ia32_sys_waitid+0x140/0x140 [ 277.283765] ? task_stopped_code+0x190/0x190 [ 277.288196] ? exit_to_usermode_loop+0x8c/0x380 [ 277.292898] ? __do_page_fault+0x4a6/0xed0 [ 277.297154] ? do_syscall_64+0x9a/0x820 [ 277.301145] ? do_syscall_64+0x9a/0x820 [ 277.305152] exit_to_usermode_loop+0x2e5/0x380 [ 277.309772] ? syscall_slow_exit_work+0x520/0x520 [ 277.314660] do_syscall_64+0x6be/0x820 [ 277.318572] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 277.323969] ? syscall_return_slowpath+0x5e0/0x5e0 [ 277.328919] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 277.333783] ? trace_hardirqs_off+0x300/0x300 [ 277.338300] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 277.343339] ? prepare_exit_to_usermode+0x291/0x3b0 [ 277.348394] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 277.353280] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 277.358521] RIP: 0033:0x410e7a [ 277.361727] Code: Bad RIP value. [ 277.365107] RSP: 002b:00007ffdfa797988 EFLAGS: 00000246 ORIG_RAX: 000000000000003d [ 277.372864] RAX: fffffffffffffe00 RBX: 00000000000014f2 RCX: 0000000000410e7a [ 277.380155] RDX: 0000000040000000 RSI: 00007ffdfa797994 RDI: ffffffffffffffff [ 277.387446] RBP: 0000000000930b28 R08: 00000000000014e7 R09: 00000000024eb940 [ 277.394736] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010 [ 277.402031] R13: 0000000000412a80 R14: 0000000000000000 R15: 0000000000000000 [ 277.409353] warn_alloc_show_mem: 1 callbacks suppressed [ 277.409367] CPU: 0 PID: 9562 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51 [ 277.409369] Mem-Info: [ 277.409399] active_anon:43308 inactive_anon:372 isolated_anon:0 [ 277.409399] active_file:9 inactive_file:26 isolated_file:0 [ 277.409399] unevictable:0 dirty:0 writeback:0 unstable:0 [ 277.409399] slab_reclaimable:8855 slab_unreclaimable:1462387 [ 277.409399] mapped:57522 shmem:379 pagetables:727 bounce:0 [ 277.409399] free:13711 free_pcp:202 free_cma:0 [ 277.414795] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 277.422008] Node 0 active_anon:173232kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 277.424424] Call Trace: [ 277.457227] Node 0 [ 277.466605] [ 277.494397] 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 [ 277.496967] dump_stack+0x1c4/0x2b4 [ 277.499182] lowmem_reserve[]: 0 [ 277.501358] ? dump_stack_print_info.cold.2+0x52/0x52 [ 277.526845] 2817 [ 277.530516] warn_alloc.cold.118+0xb7/0x1bd [ 277.533784] 6321 [ 277.538994] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 277.541048] 6321 [ 277.545385] ? lock_downgrade+0x900/0x900 [ 277.552284] ? trace_hardirqs_off+0xb8/0x300 [ 277.554323] Node 0 [ 277.558489] ? trace_hardirqs_off+0xb8/0x300 [ 277.562908] DMA32 free:24940kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 277.565133] __alloc_pages_slowpath+0x2667/0x2d80 [ 277.569512] lowmem_reserve[]: 0 [ 277.596378] ? warn_alloc+0x120/0x120 [ 277.601182] 0 [ 277.604484] ? trace_hardirqs_on+0x310/0x310 [ 277.608270] 3503 [ 277.610086] ? warn_alloc+0x120/0x120 [ 277.614470] 3503 [ 277.616550] ? print_usage_bug+0xc0/0xc0 [ 277.620330] Node 0 [ 277.622403] ? warn_alloc+0x120/0x120 [ 277.626469] Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:169136kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5568kB pagetables:2908kB bounce:0kB free_pcp:808kB local_pcp:692kB free_cma:0kB [ 277.628691] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 277.632480] lowmem_reserve[]: [ 277.660960] ? print_usage_bug+0xc0/0xc0 [ 277.665963] 0 0 [ 277.669106] ? __lock_acquire+0x7ec/0x4ec0 [ 277.673146] 0 0 [ 277.675148] ? __lock_acquire+0x7ec/0x4ec0 [ 277.679378] Node 0 [ 277.681379] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 277.685586] DMA: 1*4kB [ 277.687847] ? should_fail+0x22d/0xd01 [ 277.693369] (U) [ 277.695965] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 277.699821] 0*8kB 0*16kB [ 277.701808] ? __lock_acquire+0x7ec/0x4ec0 [ 277.706890] 1*32kB (U) [ 277.709668] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 277.713875] 2*64kB [ 277.716461] ? __lock_acquire+0x7ec/0x4ec0 [ 277.721545] (U) [ 277.723788] ? should_fail+0x22d/0xd01 [ 277.727999] 1*128kB [ 277.729976] ? print_usage_bug+0xc0/0xc0 [ 277.733841] (U) [ 277.736201] ? mark_held_locks+0x130/0x130 [ 277.740218] 1*256kB [ 277.742201] ? mark_held_locks+0x130/0x130 [ 277.746410] (U) [ 277.748787] ? graph_lock+0x170/0x170 [ 277.752993] 0*512kB [ 277.754968] ? print_usage_bug+0xc0/0xc0 [ 277.758738] 1*1024kB (U) [ 277.761068] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 277.765110] 1*2048kB (M) [ 277.767891] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.772626] 3*4096kB (M) [ 277.775419] ? check_preemption_disabled+0x48/0x200 [ 277.780939] = 15908kB [ 277.783710] ? check_preemption_disabled+0x48/0x200 [ 277.788718] Node 0 [ 277.791150] ? __lock_is_held+0xb5/0x140 [ 277.796124] DMA32: 3*4kB [ 277.798375] __alloc_pages_nodemask+0xa80/0xde0 [ 277.802398] (UM) 2*8kB [ 277.805162] ? graph_lock+0x170/0x170 [ 277.809807] (U) [ 277.812402] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 277.816172] 5*16kB (UM) [ 277.818162] ? graph_lock+0x170/0x170 [ 277.823151] 2*32kB [ 277.825825] ? find_held_lock+0x36/0x1c0 [ 277.829588] (UM) [ 277.831827] ? ____cache_alloc_node+0x1c7/0x1e0 [ 277.835859] 3*64kB [ 277.837916] ? lock_downgrade+0x900/0x900 [ 277.842555] (UM) 4*128kB [ 277.844800] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.848917] (UM) [ 277.851695] cache_grow_begin+0x91/0x8c0 [ 277.857218] 2*256kB (M) [ 277.859292] ? do_raw_spin_unlock+0xa7/0x2f0 [ 277.863327] 4*512kB [ 277.866004] fallback_alloc+0x203/0x2e0 [ 277.870374] (UM) 3*1024kB [ 277.872708] ____cache_alloc_node+0x1c7/0x1e0 [ 277.876647] (M) [ 277.879495] kmem_cache_alloc_node+0xe3/0x730 [ 277.883960] 1*2048kB (U) [ 277.885948] ? ipv6_get_ifaddr+0x42e/0x620 [ 277.890416] 4*4096kB [ 277.893183] __alloc_skb+0x119/0x770 [ 277.897386] (M) [ 277.899800] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 277.903480] = 24940kB [ 277.903488] Node 0 [ 277.905465] ? skb_scrub_packet+0x490/0x490 [ 277.910723] Normal: [ 277.913139] ? lock_downgrade+0x900/0x900 [ 277.915352] 667*4kB [ 277.919675] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 277.921972] (UMEH) [ 277.926119] ? refcount_sub_and_test_checked+0x203/0x310 [ 277.928419] 358*8kB [ 277.933949] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 277.936159] (UMEH) [ 277.941616] ? addrconf_rs_timer+0x6f0/0x6f0 [ 277.943915] 191*16kB [ 277.949370] ndisc_alloc_skb+0x144/0x340 [ 277.951578] (UMEH) [ 277.956021] ndisc_send_rs+0x331/0x6e0 [ 277.958403] 81*32kB [ 277.962463] addrconf_rs_timer+0x3c0/0x6f0 [ 277.964673] (UMEH) [ 277.968564] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 277.970863] 30*64kB [ 277.975150] call_timer_fn+0x272/0x920 [ 277.977353] (UMH) [ 277.981595] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 277.983894] 1*128kB [ 277.987785] ? process_timeout+0x40/0x40 [ 277.989908] (M) [ 277.994140] ? find_held_lock+0x36/0x1c0 [ 277.996438] 3*256kB (UH) [ 278.000522] ? __run_timers+0x7da/0xc70 [ 278.002466] 0*512kB [ 278.006525] ? _raw_spin_unlock_irq+0x27/0x80 [ 278.009261] 0*1024kB [ 278.013238] ? _raw_spin_unlock_irq+0x27/0x80 [ 278.015531] 0*2048kB 0*4096kB [ 278.020033] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 278.022419] = 13996kB [ 278.022433] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 278.026922] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 278.030103] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 278.034358] ? trace_hardirqs_on+0xbd/0x310 [ 278.036744] 414 total pagecache pages [ 278.045593] ? kasan_check_read+0x11/0x20 [ 278.045612] ? __run_timers+0x7da/0xc70 [ 278.050185] 0 pages in swap cache [ 278.058779] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 278.063099] Swap cache stats: add 0, delete 0, find 0/0 [ 278.063110] Free swap = 0kB [ 278.066929] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 278.071048] Total swap = 0kB [ 278.071056] 1965979 pages RAM [ 278.075042] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 278.078460] 0 pages HighMem/MovableOnly [ 278.078469] 342744 pages reserved [ 278.083919] __run_timers+0x7e5/0xc70 [ 278.089252] 0 pages cma reserved [ 278.089325] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 278.092296] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 278.096593] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 278.099559] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 278.102660] syz-executor1 cpuset= [ 278.106914] ? graph_lock+0x170/0x170 [ 278.110872] / [ 278.114331] ? enqueue_hrtimer+0x1a5/0x560 [ 278.118104] mems_allowed=0 [ 278.164965] ? lock_release+0x970/0x970 [ 278.168971] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 278.174204] ? find_held_lock+0x36/0x1c0 [ 278.178304] ? graph_lock+0x170/0x170 [ 278.182139] ? pvclock_read_flags+0x160/0x160 [ 278.186663] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.192249] ? check_preemption_disabled+0x48/0x200 [ 278.197318] ? __lock_is_held+0xb5/0x140 [ 278.201419] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.206991] ? check_preemption_disabled+0x48/0x200 [ 278.212043] run_timer_softirq+0x52/0xb0 [ 278.216132] ? rcu_read_lock_sched_held+0x108/0x120 [ 278.221169] __do_softirq+0x30b/0xad8 [ 278.224998] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 278.230133] ? pvclock_read_flags+0x160/0x160 [ 278.234647] ? lapic_next_event+0x5a/0x90 [ 278.238818] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.244389] ? check_preemption_disabled+0x48/0x200 [ 278.249422] ? check_preemption_disabled+0x48/0x200 [ 278.254463] ? kvm_clock_read+0x18/0x30 [ 278.258688] ? kvm_sched_clock_read+0x9/0x20 [ 278.263116] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.268689] ? check_preemption_disabled+0x48/0x200 [ 278.273749] irq_exit+0x17f/0x1c0 [ 278.277232] smp_apic_timer_interrupt+0x1cb/0x760 [ 278.282110] ? smp_reschedule_interrupt+0x109/0x650 [ 278.287152] ? smp_call_function_single_interrupt+0x650/0x650 [ 278.293056] ? interrupt_entry+0xb5/0xf0 [ 278.297135] ? trace_hardirqs_off_caller+0xbb/0x300 [ 278.302164] ? trace_hardirqs_off_caller+0xbb/0x300 [ 278.307202] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 278.312069] ? trace_hardirqs_off+0x300/0x300 [ 278.316588] ? trace_hardirqs_off+0x300/0x300 [ 278.321121] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 278.326697] ? check_preemption_disabled+0x48/0x200 [ 278.331731] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 278.337297] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 278.342162] apic_timer_interrupt+0xf/0x20 [ 278.346400] [ 278.348660] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 278.353612] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 278.372530] RSP: 0000:ffff88019f217748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 278.380257] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 278.387542] RDX: 0000000000000000 RSI: ffff88019f972d00 RDI: 0000000000000282 [ 278.394832] RBP: ffff88019f2177b0 R08: ffff88019f972480 R09: 0000000000000000 [ 278.402120] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 278.409408] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 278.416756] skb_clone+0x1bb/0x500 [ 278.420330] ? finish_task_switch+0x2f5/0x900 [ 278.424888] ? skb_split+0x11e0/0x11e0 [ 278.428825] ? preempt_notifier_register+0x200/0x200 [ 278.433975] ? __switch_to_asm+0x34/0x70 [ 278.438066] ? __switch_to_asm+0x34/0x70 [ 278.442155] ? __switch_to_asm+0x40/0x70 [ 278.446230] ? __switch_to_asm+0x34/0x70 [ 278.450298] ? __switch_to_asm+0x40/0x70 [ 278.454372] ? __switch_to_asm+0x34/0x70 [ 278.458452] ? __switch_to_asm+0x40/0x70 [ 278.462521] ? __switch_to_asm+0x34/0x70 [ 278.466605] ? __switch_to_asm+0x34/0x70 [ 278.470677] ? __switch_to_asm+0x40/0x70 [ 278.474759] ? __switch_to_asm+0x34/0x70 [ 278.478856] bpf_clone_redirect+0xb9/0x490 [ 278.483111] ? __schedule+0x874/0x1ed0 [ 278.487027] bpf_prog_a2323609a0d1adb1+0x624/0x1000 [ 278.492067] ? __sched_text_start+0x8/0x8 [ 278.496228] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 278.501025] ? find_held_lock+0x36/0x1c0 [ 278.505126] ? lock_acquire+0x1ed/0x520 [ 278.509131] ? bpf_test_run+0x32e/0x5a0 [ 278.513137] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.518700] ? check_preemption_disabled+0x48/0x200 [ 278.523743] ? kasan_check_read+0x11/0x20 [ 278.527919] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 278.533224] ? rcu_bh_qs+0xc0/0xc0 [ 278.536787] ? preempt_schedule+0x4d/0x60 [ 278.540955] ? ___preempt_schedule+0x16/0x18 [ 278.545405] ? bpf_test_run+0x1c0/0x5a0 [ 278.549418] ? netlink_diag_dump+0x2a0/0x2a0 [ 278.553856] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 278.559415] ? bpf_test_init.isra.9+0x70/0x100 [ 278.564014] ? bpf_prog_test_run_skb+0x634/0xb40 [ 278.568788] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 278.573654] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 278.579231] ? fput+0x130/0x1a0 [ 278.582518] ? __bpf_prog_get+0x9b/0x290 [ 278.586589] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 278.591435] ? bpf_prog_test_run+0x130/0x1a0 [ 278.595852] ? __x64_sys_bpf+0x3d8/0x510 [ 278.599916] ? bpf_prog_get+0x20/0x20 [ 278.603746] ? do_syscall_64+0x1b9/0x820 [ 278.607815] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 278.613189] ? syscall_return_slowpath+0x5e0/0x5e0 [ 278.618144] ? trace_hardirqs_off+0x300/0x300 [ 278.622689] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 278.627751] ? recalc_sigpending_tsk+0x180/0x180 [ 278.632542] ? kasan_check_write+0x14/0x20 [ 278.636815] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 278.641691] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 278.647097] CPU: 1 PID: 5351 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51 [ 278.647167] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 278.654309] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 278.654322] Call Trace: [ 278.660949] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 278.670183] [ 278.672758] syz-executor0 cpuset= [ 278.683242] dump_stack+0x1c4/0x2b4 [ 278.685366] syz0 [ 278.688813] ? dump_stack_print_info.cold.2+0x52/0x52 [ 278.692419] mems_allowed=0 [ 278.694419] warn_alloc.cold.118+0xb7/0x1bd [ 278.706812] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 278.711664] ? lock_downgrade+0x900/0x900 [ 278.715823] ? trace_hardirqs_off+0xb8/0x300 [ 278.720250] ? trace_hardirqs_off+0xb8/0x300 [ 278.724676] __alloc_pages_slowpath+0x2667/0x2d80 [ 278.729563] ? warn_alloc+0x120/0x120 [ 278.733375] ? warn_alloc+0x120/0x120 [ 278.737187] ? print_usage_bug+0xc0/0xc0 [ 278.741259] ? warn_alloc+0x120/0x120 [ 278.745084] ? print_usage_bug+0xc0/0xc0 [ 278.749161] ? __lock_acquire+0x7ec/0x4ec0 [ 278.753405] ? __lock_acquire+0x7ec/0x4ec0 [ 278.757652] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 278.763201] ? should_fail+0x22d/0xd01 [ 278.767110] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 278.772220] ? __lock_acquire+0x7ec/0x4ec0 [ 278.776465] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 278.781577] ? __lock_acquire+0x7ec/0x4ec0 [ 278.785825] ? should_fail+0x22d/0xd01 [ 278.789739] ? mark_held_locks+0x130/0x130 [ 278.793992] ? mark_held_locks+0x130/0x130 [ 278.798235] ? graph_lock+0x170/0x170 [ 278.802044] ? graph_lock+0x170/0x170 [ 278.805864] ? graph_lock+0x170/0x170 [ 278.809674] ? print_usage_bug+0xc0/0xc0 [ 278.813743] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.819310] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.824868] ? check_preemption_disabled+0x48/0x200 [ 278.829899] ? check_preemption_disabled+0x48/0x200 [ 278.834934] ? __lock_is_held+0xb5/0x140 [ 278.839012] __alloc_pages_nodemask+0xa80/0xde0 [ 278.843684] ? graph_lock+0x170/0x170 [ 278.847493] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 278.852563] ? graph_lock+0x170/0x170 [ 278.856381] ? find_held_lock+0x36/0x1c0 [ 278.860462] ? ____cache_alloc_node+0x1c7/0x1e0 [ 278.865157] ? lock_downgrade+0x900/0x900 [ 278.869343] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.874918] cache_grow_begin+0x91/0x8c0 [ 278.879005] ? do_raw_spin_unlock+0xa7/0x2f0 [ 278.883447] fallback_alloc+0x203/0x2e0 [ 278.887448] ____cache_alloc_node+0x1c7/0x1e0 [ 278.891972] kmem_cache_alloc_node+0xe3/0x730 [ 278.896498] ? ipv6_get_ifaddr+0x42e/0x620 [ 278.900764] __alloc_skb+0x119/0x770 [ 278.904501] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 278.909810] ? skb_scrub_packet+0x490/0x490 [ 278.914165] ? lock_downgrade+0x900/0x900 [ 278.918343] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 278.923906] ? refcount_sub_and_test_checked+0x203/0x310 [ 278.929383] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 278.934860] ? addrconf_rs_timer+0x6f0/0x6f0 [ 278.939300] ndisc_alloc_skb+0x144/0x340 [ 278.943388] ndisc_send_rs+0x331/0x6e0 [ 278.947326] addrconf_rs_timer+0x3c0/0x6f0 [ 278.951628] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 278.955914] call_timer_fn+0x272/0x920 [ 278.959846] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 278.964122] ? process_timeout+0x40/0x40 [ 278.968210] ? find_held_lock+0x36/0x1c0 [ 278.972312] ? __run_timers+0x7da/0xc70 [ 278.976320] ? _raw_spin_unlock_irq+0x27/0x80 [ 278.980841] ? _raw_spin_unlock_irq+0x27/0x80 [ 278.985351] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 278.989605] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 278.994215] ? trace_hardirqs_on+0xbd/0x310 [ 278.998555] ? kasan_check_read+0x11/0x20 [ 279.002749] ? __run_timers+0x7da/0xc70 [ 279.006765] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 279.012256] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 279.016532] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 279.020801] __run_timers+0x7e5/0xc70 [ 279.024648] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 279.030044] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 279.035113] ? graph_lock+0x170/0x170 [ 279.038962] ? enqueue_hrtimer+0x1a5/0x560 [ 279.043241] ? lock_release+0x970/0x970 [ 279.047267] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 279.052517] ? find_held_lock+0x36/0x1c0 [ 279.056628] ? pvclock_read_flags+0x160/0x160 [ 279.061163] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.066733] ? check_preemption_disabled+0x48/0x200 [ 279.071779] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 279.077336] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 279.082630] ? rcu_pm_notify+0xc0/0xc0 [ 279.086528] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.092083] ? check_preemption_disabled+0x48/0x200 [ 279.097124] run_timer_softirq+0x52/0xb0 [ 279.101191] ? rcu_read_lock_sched_held+0x108/0x120 [ 279.106214] __do_softirq+0x30b/0xad8 [ 279.110033] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 279.115150] ? pvclock_read_flags+0x160/0x160 [ 279.119651] ? lapic_next_event+0x5a/0x90 [ 279.123802] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.129825] ? check_preemption_disabled+0x48/0x200 [ 279.134856] ? check_preemption_disabled+0x48/0x200 [ 279.139896] ? kvm_clock_read+0x18/0x30 [ 279.143889] ? kvm_sched_clock_read+0x9/0x20 [ 279.148326] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.153891] ? check_preemption_disabled+0x48/0x200 [ 279.158956] irq_exit+0x17f/0x1c0 [ 279.162423] smp_apic_timer_interrupt+0x1cb/0x760 [ 279.167278] ? smp_reschedule_interrupt+0x109/0x650 [ 279.172307] ? smp_call_function_single_interrupt+0x650/0x650 [ 279.178202] ? interrupt_entry+0xb5/0xf0 [ 279.182279] ? trace_hardirqs_off_caller+0xbb/0x300 [ 279.187307] ? trace_hardirqs_off_caller+0xbb/0x300 [ 279.192332] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 279.197175] ? trace_hardirqs_off+0x300/0x300 [ 279.201669] ? trace_hardirqs_off+0x300/0x300 [ 279.206170] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.211727] ? check_preemption_disabled+0x48/0x200 [ 279.216758] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.222314] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 279.227181] apic_timer_interrupt+0xf/0x20 [ 279.231415] [ 279.233657] RIP: 0010:_raw_write_unlock_irq+0x56/0x80 [ 279.238856] Code: 52 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d ab aa 92 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 f0 ec 95 f9 65 8b 05 a9 6e 42 78 85 c0 74 05 5b [ 279.257774] RSP: 0018:ffff8801d8cf7350 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 279.265507] RAX: dffffc0000000000 RBX: ffffffff894090c0 RCX: 0000000000000000 [ 279.272799] RDX: 1ffffffff12a4537 RSI: 0000000000000001 RDI: ffffffff895229b8 [ 279.280096] RBP: ffff8801d8cf7358 R08: ffff8801c24ca580 R09: 0000000000000000 [ 279.287384] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d70737c0 [ 279.294670] R13: ffff8801d8cf7490 R14: 0000000000000000 R15: ffff8801c24cab00 [ 279.301990] do_exit+0x11ef/0x2610 [ 279.305544] ? mem_cgroup_commit_charge+0x275/0x9d0 [ 279.310583] ? mm_update_next_owner+0x990/0x990 [ 279.315273] ? print_usage_bug+0xc0/0xc0 [ 279.319344] ? graph_lock+0x170/0x170 [ 279.323161] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.328704] ? check_preemption_disabled+0x48/0x200 [ 279.333723] ? check_preemption_disabled+0x48/0x200 [ 279.338743] ? print_usage_bug+0xc0/0xc0 [ 279.342811] ? __lock_acquire+0x7ec/0x4ec0 [ 279.347058] ? __lock_acquire+0x7ec/0x4ec0 [ 279.351347] ? mark_held_locks+0x130/0x130 [ 279.355613] ? mark_held_locks+0x130/0x130 [ 279.359883] ? finish_task_switch+0x1b5/0x900 [ 279.364415] ? __switch_to_asm+0x34/0x70 [ 279.368520] ? __switch_to_asm+0x34/0x70 [ 279.372615] ? __switch_to_asm+0x34/0x70 [ 279.376709] ? __switch_to_asm+0x40/0x70 [ 279.380796] ? __switch_to_asm+0x34/0x70 [ 279.384887] ? __switch_to_asm+0x40/0x70 [ 279.388977] ? __switch_to_asm+0x34/0x70 [ 279.393069] ? __switch_to_asm+0x34/0x70 [ 279.397162] ? __switch_to_asm+0x34/0x70 [ 279.401249] ? __switch_to_asm+0x34/0x70 [ 279.405324] ? __switch_to_asm+0x40/0x70 [ 279.409397] ? __switch_to_asm+0x34/0x70 [ 279.413468] ? __switch_to_asm+0x40/0x70 [ 279.417555] ? graph_lock+0x170/0x170 [ 279.421423] ? graph_lock+0x170/0x170 [ 279.425252] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.430813] ? wait_consider_task+0x245/0x3bb0 [ 279.435425] ? memset+0x31/0x40 [ 279.438723] ? find_held_lock+0x36/0x1c0 [ 279.442801] ? get_signal+0x95b/0x1980 [ 279.446705] ? _raw_spin_unlock_irq+0x27/0x80 [ 279.451207] ? _raw_spin_unlock_irq+0x27/0x80 [ 279.455720] do_group_exit+0x177/0x440 [ 279.459630] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 279.465123] ? __ia32_sys_exit+0x50/0x50 [ 279.469229] get_signal+0x8b0/0x1980 [ 279.472992] ? ptrace_notify+0x130/0x130 [ 279.477094] ? do_wait+0x57d/0xb90 [ 279.480675] ? wait_consider_task+0x3bb0/0x3bb0 [ 279.485367] ? graph_lock+0x170/0x170 [ 279.489182] ? graph_lock+0x170/0x170 [ 279.492999] ? graph_lock+0x170/0x170 [ 279.496826] do_signal+0x9c/0x21e0 [ 279.500387] ? find_held_lock+0x36/0x1c0 [ 279.504472] ? setup_sigcontext+0x7d0/0x7d0 [ 279.508801] ? kernel_wait4+0x2e0/0x3f0 [ 279.512811] ? __ia32_sys_waitid+0x140/0x140 [ 279.517240] ? task_stopped_code+0x190/0x190 [ 279.521660] ? exit_to_usermode_loop+0x8c/0x380 [ 279.526350] ? __do_page_fault+0x4a6/0xed0 [ 279.530608] ? do_syscall_64+0x9a/0x820 [ 279.534593] ? do_syscall_64+0x9a/0x820 [ 279.538585] exit_to_usermode_loop+0x2e5/0x380 [ 279.543185] ? syscall_slow_exit_work+0x520/0x520 [ 279.548067] do_syscall_64+0x6be/0x820 [ 279.551987] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 279.557376] ? syscall_return_slowpath+0x5e0/0x5e0 [ 279.562328] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 279.567199] ? trace_hardirqs_off+0x300/0x300 [ 279.571730] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 279.576781] ? prepare_exit_to_usermode+0x291/0x3b0 [ 279.581844] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 279.586730] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 279.591955] RIP: 0033:0x410e7a [ 279.595169] Code: Bad RIP value. [ 279.598546] RSP: 002b:00007ffdfa797988 EFLAGS: 00000246 ORIG_RAX: 000000000000003d [ 279.606281] RAX: fffffffffffffe00 RBX: 00000000000014f2 RCX: 0000000000410e7a [ 279.613573] RDX: 0000000040000000 RSI: 00007ffdfa797994 RDI: ffffffffffffffff [ 279.620861] RBP: 0000000000930b28 R08: 00000000000014e7 R09: 00000000024eb940 [ 279.628143] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010 [ 279.635432] R13: 0000000000412a80 R14: 0000000000000000 R15: 0000000000000000 [ 279.642747] warn_alloc_show_mem: 1 callbacks suppressed [ 279.642761] CPU: 0 PID: 9562 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51 [ 279.642762] Mem-Info: [ 279.642792] active_anon:43308 inactive_anon:372 isolated_anon:0 [ 279.642792] active_file:9 inactive_file:26 isolated_file:0 [ 279.642792] unevictable:0 dirty:0 writeback:0 unstable:0 [ 279.642792] slab_reclaimable:8855 slab_unreclaimable:1462387 [ 279.642792] mapped:57522 shmem:379 pagetables:727 bounce:0 [ 279.642792] free:13711 free_pcp:202 free_cma:0 [ 279.648155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 279.648167] Call Trace: [ 279.655389] Node 0 active_anon:173232kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 279.657800] [ 279.690620] Node 0 [ 279.700000] dump_stack+0x1c4/0x2b4 [ 279.702598] 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 [ 279.730357] ? dump_stack_print_info.cold.2+0x52/0x52 [ 279.732478] lowmem_reserve[]: 0 [ 279.734740] warn_alloc.cold.118+0xb7/0x1bd [ 279.738344] 2817 6321 [ 279.763882] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 279.769053] 6321 [ 279.772371] ? lock_downgrade+0x900/0x900 [ 279.776679] Node 0 [ 279.779187] ? trace_hardirqs_off+0xb8/0x300 [ 279.784022] DMA32 free:24940kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 279.786064] ? trace_hardirqs_off+0xb8/0x300 [ 279.790181] lowmem_reserve[]: [ 279.792423] __alloc_pages_slowpath+0x2667/0x2d80 [ 279.796801] 0 [ 279.823640] ? warn_alloc+0x120/0x120 [ 279.828017] 0 [ 279.831134] ? trace_hardirqs_on+0x310/0x310 [ 279.835950] 3503 [ 279.837759] ? warn_alloc+0x120/0x120 [ 279.841532] 3503 [ 279.843340] ? print_usage_bug+0xc0/0xc0 [ 279.849777] ? warn_alloc+0x120/0x120 [ 279.853550] Node 0 [ 279.855615] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 279.859679] Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:169136kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5568kB pagetables:2908kB bounce:0kB free_pcp:808kB local_pcp:692kB free_cma:0kB [ 279.863458] ? print_usage_bug+0xc0/0xc0 [ 279.865661] lowmem_reserve[]: 0 [ 279.870692] ? __lock_acquire+0x7ec/0x4ec0 [ 279.899136] 0 [ 279.903221] ? __lock_acquire+0x7ec/0x4ec0 [ 279.906473] 0 0 [ 279.910744] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 279.912522] Node 0 [ 279.916772] ? should_fail+0x22d/0xd01 [ 279.918721] DMA: 1*4kB [ 279.924280] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 279.926494] (U) [ 279.930383] ? __lock_acquire+0x7ec/0x4ec0 [ 279.932939] 0*8kB 0*16kB [ 279.938054] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 279.940006] 1*32kB [ 279.944233] ? __lock_acquire+0x7ec/0x4ec0 [ 279.944250] ? should_fail+0x22d/0xd01 [ 279.946984] (U) [ 279.952087] ? print_usage_bug+0xc0/0xc0 [ 279.954297] 2*64kB [ 279.958529] ? mark_held_locks+0x130/0x130 [ 279.962380] (U) 1*128kB [ 279.964368] ? mark_held_locks+0x130/0x130 [ 279.968400] (U) [ 279.970640] ? graph_lock+0x170/0x170 [ 279.974847] 1*256kB [ 279.977518] ? print_usage_bug+0xc0/0xc0 [ 279.981728] (U) [ 279.983707] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 279.987483] 0*512kB [ 279.989807] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 279.993838] 1*1024kB (U) [ 279.995822] ? check_preemption_disabled+0x48/0x200 [ 280.000549] 1*2048kB [ 280.002879] ? check_preemption_disabled+0x48/0x200 [ 280.008390] (M) [ 280.011168] ? __lock_is_held+0xb5/0x140 [ 280.016155] 3*4096kB [ 280.018579] __alloc_pages_nodemask+0xa80/0xde0 [ 280.023571] (M) [ 280.025554] ? graph_lock+0x170/0x170 [ 280.029590] = 15908kB [ 280.032001] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 280.036649] Node 0 [ 280.038637] ? graph_lock+0x170/0x170 [ 280.042422] DMA32: [ 280.044849] ? find_held_lock+0x36/0x1c0 [ 280.049842] 3*4kB [ 280.052092] ? ____cache_alloc_node+0x1c7/0x1e0 [ 280.055858] (UM) 2*8kB [ 280.058115] ? lock_downgrade+0x900/0x900 [ 280.062157] (U) [ 280.064329] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.068957] 5*16kB (UM) [ 280.071556] cache_grow_begin+0x91/0x8c0 [ 280.075673] 2*32kB (UM) [ 280.077660] ? do_raw_spin_unlock+0xa7/0x2f0 [ 280.083179] 3*64kB [ 280.085871] fallback_alloc+0x203/0x2e0 [ 280.089909] (UM) [ 280.092597] ____cache_alloc_node+0x1c7/0x1e0 [ 280.096981] 4*128kB [ 280.099233] kmem_cache_alloc_node+0xe3/0x730 [ 280.103173] (UM) 2*256kB [ 280.105265] ? ipv6_get_ifaddr+0x42e/0x620 [ 280.109747] (M) [ 280.112101] __alloc_skb+0x119/0x770 [ 280.116572] 4*512kB (UM) [ 280.119363] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 280.123572] 3*1024kB [ 280.125556] ? skb_scrub_packet+0x490/0x490 [ 280.129234] (M) 1*2048kB [ 280.132007] ? lock_downgrade+0x900/0x900 [ 280.137265] (U) [ 280.139688] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.143971] 4*4096kB (M) [ 280.146737] ? refcount_sub_and_test_checked+0x203/0x310 [ 280.150877] = 24940kB [ 280.150887] Node 0 [ 280.152873] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 280.158374] Normal: 667*4kB [ 280.161142] ? addrconf_rs_timer+0x6f0/0x6f0 [ 280.166562] (UMEH) 358*8kB [ 280.168993] ndisc_alloc_skb+0x144/0x340 [ 280.171187] (UMEH) 191*16kB [ 280.176671] ndisc_send_rs+0x331/0x6e0 [ 280.179670] (UMEH) 81*32kB [ 280.184126] addrconf_rs_timer+0x3c0/0x6f0 [ 280.187047] (UMEH) [ 280.191140] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 280.194154] 30*64kB [ 280.198066] call_timer_fn+0x272/0x920 [ 280.200990] (UMH) [ 280.205247] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 280.207461] 1*128kB (M) [ 280.211735] ? process_timeout+0x40/0x40 [ 280.214036] 3*256kB [ 280.217934] ? find_held_lock+0x36/0x1c0 [ 280.220056] (UH) 0*512kB [ 280.224358] ? __run_timers+0x7da/0xc70 [ 280.227015] 0*1024kB [ 280.231113] ? _raw_spin_unlock_irq+0x27/0x80 [ 280.233431] 0*2048kB [ 280.237515] ? _raw_spin_unlock_irq+0x27/0x80 [ 280.240251] 0*4096kB = 13996kB [ 280.244257] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 280.246665] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 280.251179] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 280.253590] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 280.258599] ? trace_hardirqs_on+0xbd/0x310 [ 280.261793] 414 total pagecache pages [ 280.266046] ? kasan_check_read+0x11/0x20 [ 280.274881] 0 pages in swap cache [ 280.279484] ? __run_timers+0x7da/0xc70 [ 280.288046] Swap cache stats: add 0, delete 0, find 0/0 [ 280.288057] Free swap = 0kB [ 280.292409] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 280.296192] Total swap = 0kB [ 280.296203] 1965979 pages RAM [ 280.300378] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 280.303821] 0 pages HighMem/MovableOnly [ 280.303831] 342744 pages reserved [ 280.307826] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 280.313176] 0 pages cma reserved [ 280.313252] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 280.316223] __run_timers+0x7e5/0xc70 [ 280.321793] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 280.324710] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 280.327788] syz-executor1 cpuset= [ 280.332030] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 280.335981] / [ 280.339434] ? graph_lock+0x170/0x170 [ 280.343651] mems_allowed=0 [ 280.347018] ? enqueue_hrtimer+0x1a5/0x560 [ 280.394252] ? lock_release+0x970/0x970 [ 280.398248] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 280.403469] ? find_held_lock+0x36/0x1c0 [ 280.407551] ? graph_lock+0x170/0x170 [ 280.411372] ? pvclock_read_flags+0x160/0x160 [ 280.415896] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.421456] ? check_preemption_disabled+0x48/0x200 [ 280.426512] ? __lock_is_held+0xb5/0x140 [ 280.430593] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.436144] ? check_preemption_disabled+0x48/0x200 [ 280.441185] run_timer_softirq+0x52/0xb0 [ 280.445254] ? rcu_read_lock_sched_held+0x108/0x120 [ 280.450286] __do_softirq+0x30b/0xad8 [ 280.454112] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 280.459234] ? pvclock_read_flags+0x160/0x160 [ 280.463743] ? lapic_next_event+0x5a/0x90 [ 280.467904] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.473456] ? check_preemption_disabled+0x48/0x200 [ 280.478475] ? check_preemption_disabled+0x48/0x200 [ 280.483504] ? kvm_clock_read+0x18/0x30 [ 280.487480] ? kvm_sched_clock_read+0x9/0x20 [ 280.491900] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.497464] ? check_preemption_disabled+0x48/0x200 [ 280.502528] irq_exit+0x17f/0x1c0 [ 280.506005] smp_apic_timer_interrupt+0x1cb/0x760 [ 280.510871] ? smp_reschedule_interrupt+0x109/0x650 [ 280.515924] ? smp_call_function_single_interrupt+0x650/0x650 [ 280.521820] ? interrupt_entry+0xb5/0xf0 [ 280.525896] ? trace_hardirqs_off_caller+0xbb/0x300 [ 280.530917] ? trace_hardirqs_off_caller+0xbb/0x300 [ 280.535943] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 280.540790] ? trace_hardirqs_off+0x300/0x300 [ 280.545289] ? trace_hardirqs_off+0x300/0x300 [ 280.549789] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 280.555334] ? check_preemption_disabled+0x48/0x200 [ 280.560363] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 280.565917] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 280.570774] apic_timer_interrupt+0xf/0x20 [ 280.575011] [ 280.577259] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 280.582209] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 280.601132] RSP: 0000:ffff88019f217748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 280.608869] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 280.616159] RDX: 0000000000000000 RSI: ffff88019f972d00 RDI: 0000000000000282 [ 280.623454] RBP: ffff88019f2177b0 R08: ffff88019f972480 R09: 0000000000000000 [ 280.630746] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 280.638036] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 280.645393] skb_clone+0x1bb/0x500 [ 280.648944] ? finish_task_switch+0x2f5/0x900 [ 280.653446] ? skb_split+0x11e0/0x11e0 [ 280.657359] ? preempt_notifier_register+0x200/0x200 [ 280.662489] ? __switch_to_asm+0x34/0x70 [ 280.666575] ? __switch_to_asm+0x34/0x70 [ 280.670643] ? __switch_to_asm+0x40/0x70 [ 280.674708] ? __switch_to_asm+0x34/0x70 [ 280.678770] ? __switch_to_asm+0x40/0x70 [ 280.682840] ? __switch_to_asm+0x34/0x70 [ 280.686907] ? __switch_to_asm+0x40/0x70 [ 280.690972] ? __switch_to_asm+0x34/0x70 [ 280.695038] ? __switch_to_asm+0x34/0x70 [ 280.699112] ? __switch_to_asm+0x40/0x70 [ 280.703209] ? __switch_to_asm+0x34/0x70 [ 280.707324] bpf_clone_redirect+0xb9/0x490 [ 280.711619] ? __schedule+0x874/0x1ed0 [ 280.715542] bpf_prog_a2323609a0d1adb1+0x624/0x1000 [ 280.720597] ? __sched_text_start+0x8/0x8 [ 280.724770] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 280.729555] ? find_held_lock+0x36/0x1c0 [ 280.733637] ? lock_acquire+0x1ed/0x520 [ 280.737620] ? bpf_test_run+0x32e/0x5a0 [ 280.741611] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 280.747177] ? check_preemption_disabled+0x48/0x200 [ 280.752226] ? kasan_check_read+0x11/0x20 [ 280.756402] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 280.761707] ? rcu_bh_qs+0xc0/0xc0 [ 280.765257] ? preempt_schedule+0x4d/0x60 [ 280.769407] ? ___preempt_schedule+0x16/0x18 [ 280.773830] ? bpf_test_run+0x1c0/0x5a0 [ 280.777817] ? netlink_diag_dump+0x2a0/0x2a0 [ 280.782242] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 280.787813] ? bpf_test_init.isra.9+0x70/0x100 [ 280.792435] ? bpf_prog_test_run_skb+0x634/0xb40 [ 280.797227] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 280.802102] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 280.807670] ? fput+0x130/0x1a0 [ 280.810965] ? __bpf_prog_get+0x9b/0x290 [ 280.815054] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 280.819929] ? bpf_prog_test_run+0x130/0x1a0 [ 280.824379] ? __x64_sys_bpf+0x3d8/0x510 [ 280.828472] ? bpf_prog_get+0x20/0x20 [ 280.832325] ? do_syscall_64+0x1b9/0x820 [ 280.836422] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 280.841846] ? syscall_return_slowpath+0x5e0/0x5e0 [ 280.846821] ? trace_hardirqs_off+0x300/0x300 [ 280.851361] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 280.856401] ? recalc_sigpending_tsk+0x180/0x180 [ 280.861177] ? kasan_check_write+0x14/0x20 [ 280.865442] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 280.870326] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 280.875744] CPU: 1 PID: 5351 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51 [ 280.875815] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 280.882961] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 280.882967] Call Trace: [ 280.882974] [ 280.882997] dump_stack+0x1c4/0x2b4 [ 280.883012] ? dump_stack_print_info.cold.2+0x52/0x52 [ 280.883043] warn_alloc.cold.118+0xb7/0x1bd [ 280.889658] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 280.898929] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 280.901523] syz-executor0 cpuset= [ 280.903677] ? lock_downgrade+0x900/0x900 [ 280.907279] syz0 [ 280.912480] ? trace_hardirqs_off+0xb8/0x300 [ 280.916792] mems_allowed=0 [ 280.927290] ? trace_hardirqs_off+0xb8/0x300 [ 280.953429] __alloc_pages_slowpath+0x2667/0x2d80 [ 280.958329] ? warn_alloc+0x120/0x120 [ 280.962171] ? trace_hardirqs_on+0x310/0x310 [ 280.966613] ? warn_alloc+0x120/0x120 [ 280.970443] ? print_usage_bug+0xc0/0xc0 [ 280.974516] ? warn_alloc+0x120/0x120 [ 280.978328] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 280.983364] ? print_usage_bug+0xc0/0xc0 [ 280.987460] ? __lock_acquire+0x7ec/0x4ec0 [ 280.991728] ? __lock_acquire+0x7ec/0x4ec0 [ 280.995999] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 281.001564] ? should_fail+0x22d/0xd01 [ 281.005470] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 281.010587] ? __lock_acquire+0x7ec/0x4ec0 [ 281.014840] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 281.019956] ? __lock_acquire+0x7ec/0x4ec0 [ 281.024205] ? should_fail+0x22d/0xd01 [ 281.028108] ? print_usage_bug+0xc0/0xc0 [ 281.032188] ? mark_held_locks+0x130/0x130 [ 281.036445] ? mark_held_locks+0x130/0x130 [ 281.040713] ? graph_lock+0x170/0x170 [ 281.044537] ? print_usage_bug+0xc0/0xc0 [ 281.048616] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 281.053395] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.058944] ? check_preemption_disabled+0x48/0x200 [ 281.063980] ? check_preemption_disabled+0x48/0x200 [ 281.069036] ? __lock_is_held+0xb5/0x140 [ 281.073145] __alloc_pages_nodemask+0xa80/0xde0 [ 281.077846] ? graph_lock+0x170/0x170 [ 281.081675] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 281.086710] ? graph_lock+0x170/0x170 [ 281.090544] ? find_held_lock+0x36/0x1c0 [ 281.094637] ? ____cache_alloc_node+0x1c7/0x1e0 [ 281.099328] ? lock_downgrade+0x900/0x900 [ 281.103505] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.109072] cache_grow_begin+0x91/0x8c0 [ 281.113168] ? do_raw_spin_unlock+0xa7/0x2f0 [ 281.117607] fallback_alloc+0x203/0x2e0 [ 281.121618] ____cache_alloc_node+0x1c7/0x1e0 [ 281.126850] kmem_cache_alloc_node+0xe3/0x730 [ 281.131396] ? ipv6_get_ifaddr+0x42e/0x620 [ 281.135675] __alloc_skb+0x119/0x770 [ 281.139415] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 281.144736] ? skb_scrub_packet+0x490/0x490 [ 281.149085] ? lock_downgrade+0x900/0x900 [ 281.153263] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.158815] ? refcount_sub_and_test_checked+0x203/0x310 [ 281.164283] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 281.169740] ? addrconf_rs_timer+0x6f0/0x6f0 [ 281.174171] ndisc_alloc_skb+0x144/0x340 [ 281.178249] ndisc_send_rs+0x331/0x6e0 [ 281.182157] addrconf_rs_timer+0x3c0/0x6f0 [ 281.186421] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.190698] call_timer_fn+0x272/0x920 [ 281.194598] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.198859] ? process_timeout+0x40/0x40 [ 281.202922] ? find_held_lock+0x36/0x1c0 [ 281.207000] ? __run_timers+0x7da/0xc70 [ 281.210979] ? _raw_spin_unlock_irq+0x27/0x80 [ 281.215476] ? _raw_spin_unlock_irq+0x27/0x80 [ 281.219973] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.224215] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 281.228804] ? trace_hardirqs_on+0xbd/0x310 [ 281.233147] ? kasan_check_read+0x11/0x20 [ 281.237306] ? __run_timers+0x7da/0xc70 [ 281.241289] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 281.246760] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.251013] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 281.255259] __run_timers+0x7e5/0xc70 [ 281.259093] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 281.264471] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 281.269518] ? graph_lock+0x170/0x170 [ 281.273357] ? enqueue_hrtimer+0x1a5/0x560 [ 281.277619] ? lock_release+0x970/0x970 [ 281.281628] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 281.286856] ? find_held_lock+0x36/0x1c0 [ 281.290953] ? pvclock_read_flags+0x160/0x160 [ 281.295473] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.301032] ? check_preemption_disabled+0x48/0x200 [ 281.306072] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 281.311651] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 281.316962] ? rcu_pm_notify+0xc0/0xc0 [ 281.320880] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.326446] ? check_preemption_disabled+0x48/0x200 [ 281.331493] run_timer_softirq+0x52/0xb0 [ 281.335584] ? rcu_read_lock_sched_held+0x108/0x120 [ 281.340647] __do_softirq+0x30b/0xad8 [ 281.344478] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 281.349611] ? pvclock_read_flags+0x160/0x160 [ 281.354124] ? lapic_next_event+0x5a/0x90 [ 281.358293] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.363871] ? check_preemption_disabled+0x48/0x200 [ 281.368918] ? check_preemption_disabled+0x48/0x200 [ 281.373963] ? kvm_clock_read+0x18/0x30 [ 281.377977] ? kvm_sched_clock_read+0x9/0x20 [ 281.382423] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.387988] ? check_preemption_disabled+0x48/0x200 [ 281.393029] irq_exit+0x17f/0x1c0 [ 281.396493] smp_apic_timer_interrupt+0x1cb/0x760 [ 281.401341] ? smp_reschedule_interrupt+0x109/0x650 [ 281.406371] ? smp_call_function_single_interrupt+0x650/0x650 [ 281.412281] ? interrupt_entry+0xb5/0xf0 [ 281.416369] ? trace_hardirqs_off_caller+0xbb/0x300 [ 281.421414] ? trace_hardirqs_off_caller+0xbb/0x300 [ 281.426458] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 281.431326] ? trace_hardirqs_off+0x300/0x300 [ 281.435850] ? trace_hardirqs_off+0x300/0x300 [ 281.440366] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.445915] ? check_preemption_disabled+0x48/0x200 [ 281.450950] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.456521] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 281.461403] apic_timer_interrupt+0xf/0x20 [ 281.465650] [ 281.467914] RIP: 0010:_raw_write_unlock_irq+0x56/0x80 [ 281.473135] Code: 52 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d ab aa 92 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 f0 ec 95 f9 65 8b 05 a9 6e 42 78 85 c0 74 05 5b [ 281.492060] RSP: 0018:ffff8801d8cf7350 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 281.499803] RAX: dffffc0000000000 RBX: ffffffff894090c0 RCX: 0000000000000000 [ 281.507094] RDX: 1ffffffff12a4537 RSI: 0000000000000001 RDI: ffffffff895229b8 [ 281.514379] RBP: ffff8801d8cf7358 R08: ffff8801c24ca580 R09: 0000000000000000 [ 281.521666] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d70737c0 [ 281.528955] R13: ffff8801d8cf7490 R14: 0000000000000000 R15: ffff8801c24cab00 [ 281.536279] do_exit+0x11ef/0x2610 [ 281.539827] ? mem_cgroup_commit_charge+0x275/0x9d0 [ 281.544871] ? mm_update_next_owner+0x990/0x990 [ 281.549569] ? print_usage_bug+0xc0/0xc0 [ 281.553640] ? graph_lock+0x170/0x170 [ 281.557451] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.563009] ? check_preemption_disabled+0x48/0x200 [ 281.568046] ? check_preemption_disabled+0x48/0x200 [ 281.573089] ? print_usage_bug+0xc0/0xc0 [ 281.577165] ? __lock_acquire+0x7ec/0x4ec0 [ 281.581411] ? __lock_acquire+0x7ec/0x4ec0 [ 281.585669] ? mark_held_locks+0x130/0x130 [ 281.589919] ? mark_held_locks+0x130/0x130 [ 281.594162] ? finish_task_switch+0x1b5/0x900 [ 281.598664] ? __switch_to_asm+0x34/0x70 [ 281.602737] ? __switch_to_asm+0x34/0x70 [ 281.606808] ? __switch_to_asm+0x34/0x70 [ 281.610881] ? __switch_to_asm+0x40/0x70 [ 281.614947] ? __switch_to_asm+0x34/0x70 [ 281.619018] ? __switch_to_asm+0x40/0x70 [ 281.623094] ? __switch_to_asm+0x34/0x70 [ 281.627160] ? __switch_to_asm+0x34/0x70 [ 281.631221] ? __switch_to_asm+0x34/0x70 [ 281.635293] ? __switch_to_asm+0x34/0x70 [ 281.639400] ? __switch_to_asm+0x40/0x70 [ 281.643477] ? __switch_to_asm+0x34/0x70 [ 281.647557] ? __switch_to_asm+0x40/0x70 [ 281.651648] ? graph_lock+0x170/0x170 [ 281.655479] ? graph_lock+0x170/0x170 [ 281.659311] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 281.664873] ? wait_consider_task+0x245/0x3bb0 [ 281.669475] ? memset+0x31/0x40 [ 281.672779] ? find_held_lock+0x36/0x1c0 [ 281.676878] ? get_signal+0x95b/0x1980 [ 281.680792] ? _raw_spin_unlock_irq+0x27/0x80 [ 281.685314] ? _raw_spin_unlock_irq+0x27/0x80 [ 281.689842] do_group_exit+0x177/0x440 [ 281.693750] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 281.699214] ? __ia32_sys_exit+0x50/0x50 [ 281.703300] get_signal+0x8b0/0x1980 [ 281.707039] ? ptrace_notify+0x130/0x130 [ 281.711120] ? do_wait+0x57d/0xb90 [ 281.714687] ? wait_consider_task+0x3bb0/0x3bb0 [ 281.719380] ? graph_lock+0x170/0x170 [ 281.723215] ? graph_lock+0x170/0x170 [ 281.727052] ? graph_lock+0x170/0x170 [ 281.730905] do_signal+0x9c/0x21e0 [ 281.734468] ? find_held_lock+0x36/0x1c0 [ 281.738566] ? setup_sigcontext+0x7d0/0x7d0 [ 281.742908] ? kernel_wait4+0x2e0/0x3f0 [ 281.746908] ? __ia32_sys_waitid+0x140/0x140 [ 281.751337] ? task_stopped_code+0x190/0x190 [ 281.755767] ? exit_to_usermode_loop+0x8c/0x380 [ 281.760466] ? __do_page_fault+0x4a6/0xed0 [ 281.764713] ? do_syscall_64+0x9a/0x820 [ 281.768729] ? do_syscall_64+0x9a/0x820 [ 281.772719] exit_to_usermode_loop+0x2e5/0x380 [ 281.777314] ? syscall_slow_exit_work+0x520/0x520 [ 281.782185] do_syscall_64+0x6be/0x820 [ 281.786087] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 281.791473] ? syscall_return_slowpath+0x5e0/0x5e0 [ 281.796423] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 281.801294] ? trace_hardirqs_off+0x300/0x300 [ 281.805827] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 281.810896] ? prepare_exit_to_usermode+0x291/0x3b0 [ 281.815951] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 281.820835] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 281.826054] RIP: 0033:0x410e7a [ 281.829277] Code: Bad RIP value. [ 281.832657] RSP: 002b:00007ffdfa797988 EFLAGS: 00000246 ORIG_RAX: 000000000000003d [ 281.840388] RAX: fffffffffffffe00 RBX: 00000000000014f2 RCX: 0000000000410e7a [ 281.847675] RDX: 0000000040000000 RSI: 00007ffdfa797994 RDI: ffffffffffffffff [ 281.854965] RBP: 0000000000930b28 R08: 00000000000014e7 R09: 00000000024eb940 [ 281.862247] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010 [ 281.869534] R13: 0000000000412a80 R14: 0000000000000000 R15: 0000000000000000 [ 281.876850] warn_alloc_show_mem: 1 callbacks suppressed [ 281.876864] CPU: 0 PID: 9562 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51 [ 281.876865] Mem-Info: [ 281.876895] active_anon:43308 inactive_anon:372 isolated_anon:0 [ 281.876895] active_file:9 inactive_file:26 isolated_file:0 [ 281.876895] unevictable:0 dirty:0 writeback:0 unstable:0 [ 281.876895] slab_reclaimable:8855 slab_unreclaimable:1462387 [ 281.876895] mapped:57522 shmem:379 pagetables:727 bounce:0 [ 281.876895] free:13711 free_pcp:202 free_cma:0 [ 281.882246] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 281.882256] Call Trace: [ 281.889471] Node 0 active_anon:173232kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 281.891883] [ 281.924675] Node 0 [ 281.934052] dump_stack+0x1c4/0x2b4 [ 281.936635] 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 [ 281.964401] ? dump_stack_print_info.cold.2+0x52/0x52 [ 281.966530] lowmem_reserve[]: [ 281.968779] warn_alloc.cold.118+0xb7/0x1bd [ 281.972376] 0 [ 281.997895] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 282.003065] 2817 [ 282.006179] ? lock_downgrade+0x900/0x900 [ 282.010480] 6321 [ 282.012289] ? trace_hardirqs_off+0xb8/0x300 [ 282.017109] 6321 [ 282.019183] ? trace_hardirqs_off+0xb8/0x300 [ 282.025394] __alloc_pages_slowpath+0x2667/0x2d80 [ 282.029778] Node 0 [ 282.031892] ? warn_alloc+0x120/0x120 [ 282.036299] DMA32 free:24940kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 282.041145] ? trace_hardirqs_on+0x310/0x310 [ 282.043356] lowmem_reserve[]: 0 [ 282.047184] ? warn_alloc+0x120/0x120 [ 282.073973] 0 3503 [ 282.078411] ? print_usage_bug+0xc0/0xc0 [ 282.081664] 3503 [ 282.085459] ? warn_alloc+0x120/0x120 [ 282.087674] Node 0 [ 282.091727] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 282.091744] ? print_usage_bug+0xc0/0xc0 [ 282.093815] Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:169136kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5568kB pagetables:2908kB bounce:0kB free_pcp:808kB local_pcp:692kB free_cma:0kB [ 282.097582] ? __lock_acquire+0x7ec/0x4ec0 [ 282.099794] lowmem_reserve[]: [ 282.104826] ? __lock_acquire+0x7ec/0x4ec0 [ 282.108873] 0 0 [ 282.137579] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 282.141802] 0 [ 282.144913] ? should_fail+0x22d/0xd01 [ 282.149121] 0 [ 282.151129] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 282.156647] Node 0 [ 282.158462] ? __lock_acquire+0x7ec/0x4ec0 [ 282.162336] DMA: 1*4kB [ 282.164151] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 282.169227] (U) [ 282.171460] ? __lock_acquire+0x7ec/0x4ec0 [ 282.175669] 0*8kB [ 282.178252] ? should_fail+0x22d/0xd01 [ 282.183328] 0*16kB [ 282.185306] ? print_usage_bug+0xc0/0xc0 [ 282.189508] 1*32kB (U) [ 282.191671] ? mark_held_locks+0x130/0x130 [ 282.195529] 2*64kB [ 282.197762] ? mark_held_locks+0x130/0x130 [ 282.201797] (U) [ 282.204380] ? graph_lock+0x170/0x170 [ 282.208584] 1*128kB [ 282.210821] ? print_usage_bug+0xc0/0xc0 [ 282.215059] (U) [ 282.217054] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 282.220829] 1*256kB [ 282.223157] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.227196] (U) [ 282.229181] ? check_preemption_disabled+0x48/0x200 [ 282.233901] 0*512kB 1*1024kB [ 282.236241] ? check_preemption_disabled+0x48/0x200 [ 282.241745] (U) 1*2048kB [ 282.243739] ? __lock_is_held+0xb5/0x140 [ 282.248722] (M) [ 282.251837] __alloc_pages_nodemask+0xa80/0xde0 [ 282.257338] 3*4096kB (M) [ 282.260120] ? graph_lock+0x170/0x170 [ 282.264154] = 15908kB [ 282.266126] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 282.270772] Node 0 [ 282.273527] ? graph_lock+0x170/0x170 [ 282.277305] DMA32: [ 282.279728] ? find_held_lock+0x36/0x1c0 [ 282.284719] 3*4kB [ 282.286972] ? ____cache_alloc_node+0x1c7/0x1e0 [ 282.290737] (UM) [ 282.292982] ? lock_downgrade+0x900/0x900 [ 282.297020] 2*8kB [ 282.299179] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.303820] (U) [ 282.305888] cache_grow_begin+0x91/0x8c0 [ 282.310002] 5*16kB (UM) [ 282.312164] ? do_raw_spin_unlock+0xa7/0x2f0 [ 282.317677] 2*32kB [ 282.319660] fallback_alloc+0x203/0x2e0 [ 282.323685] (UM) [ 282.326361] ____cache_alloc_node+0x1c7/0x1e0 [ 282.330738] 3*64kB [ 282.332978] kmem_cache_alloc_node+0xe3/0x730 [ 282.336921] (UM) [ 282.338984] ? ipv6_get_ifaddr+0x42e/0x620 [ 282.343444] 4*128kB (UM) [ 282.345688] __alloc_skb+0x119/0x770 [ 282.350151] 2*256kB [ 282.352214] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 282.356426] (M) [ 282.359193] ? skb_scrub_packet+0x490/0x490 [ 282.362872] 4*512kB [ 282.365190] ? lock_downgrade+0x900/0x900 [ 282.370441] (UM) [ 282.372424] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.376707] 3*1024kB (M) [ 282.379040] ? refcount_sub_and_test_checked+0x203/0x310 [ 282.383158] 1*2048kB [ 282.385219] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 282.390727] (U) [ 282.393483] ? addrconf_rs_timer+0x6f0/0x6f0 [ 282.398912] 4*4096kB [ 282.401348] ndisc_alloc_skb+0x144/0x340 [ 282.406757] (M) [ 282.408745] ndisc_send_rs+0x331/0x6e0 [ 282.413117] = 24940kB [ 282.415524] addrconf_rs_timer+0x3c0/0x6f0 [ 282.419557] Node 0 [ 282.421536] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 282.425394] Normal: [ 282.427808] call_timer_fn+0x272/0x920 [ 282.432011] 667*4kB [ 282.434246] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 282.438452] (UMEH) [ 282.440778] ? process_timeout+0x40/0x40 [ 282.444643] 358*8kB [ 282.446984] ? find_held_lock+0x36/0x1c0 [ 282.451190] (UMEH) 191*16kB [ 282.453454] ? __run_timers+0x7da/0xc70 [ 282.457480] (UMEH) [ 282.459805] ? _raw_spin_unlock_irq+0x27/0x80 [ 282.463832] 81*32kB (UMEH) [ 282.466865] ? _raw_spin_unlock_irq+0x27/0x80 [ 282.470808] 30*64kB (UMH) [ 282.473055] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 282.477520] 1*128kB (M) [ 282.480465] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 282.484937] 3*256kB (UH) [ 282.487819] ? trace_hardirqs_on+0xbd/0x310 [ 282.492040] 0*512kB [ 282.494732] ? kasan_check_read+0x11/0x20 [ 282.499299] 0*1024kB [ 282.502087] ? __run_timers+0x7da/0xc70 [ 282.506390] 0*2048kB [ 282.508724] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 282.512848] 0*4096kB [ 282.515271] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 282.519211] = 13996kB [ 282.519225] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 282.521635] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 282.527064] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 282.529479] __run_timers+0x7e5/0xc70 [ 282.533688] 414 total pagecache pages [ 282.536119] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 282.544932] 0 pages in swap cache [ 282.549187] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 282.557742] Swap cache stats: add 0, delete 0, find 0/0 [ 282.557753] Free swap = 0kB [ 282.561567] ? graph_lock+0x170/0x170 [ 282.565339] Total swap = 0kB [ 282.565349] 1965979 pages RAM [ 282.570722] ? enqueue_hrtimer+0x1a5/0x560 [ 282.574152] 0 pages HighMem/MovableOnly [ 282.574162] 342744 pages reserved [ 282.579182] ? lock_release+0x970/0x970 [ 282.579200] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 282.584545] 0 pages cma reserved [ 282.584621] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 282.587582] ? find_held_lock+0x36/0x1c0 [ 282.587599] ? graph_lock+0x170/0x170 [ 282.587619] ? pvclock_read_flags+0x160/0x160 [ 282.591472] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 282.594439] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.597528] syz-executor1 cpuset= [ 282.601779] ? check_preemption_disabled+0x48/0x200 [ 282.605734] / [ 282.609209] ? __lock_is_held+0xb5/0x140 [ 282.613165] mems_allowed=0 [ 282.618370] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.679216] ? check_preemption_disabled+0x48/0x200 [ 282.684251] run_timer_softirq+0x52/0xb0 [ 282.688319] ? rcu_read_lock_sched_held+0x108/0x120 [ 282.693356] __do_softirq+0x30b/0xad8 [ 282.697178] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 282.702298] ? pvclock_read_flags+0x160/0x160 [ 282.706803] ? lapic_next_event+0x5a/0x90 [ 282.710970] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.716533] ? check_preemption_disabled+0x48/0x200 [ 282.721572] ? check_preemption_disabled+0x48/0x200 [ 282.726612] ? kvm_clock_read+0x18/0x30 [ 282.730602] ? kvm_sched_clock_read+0x9/0x20 [ 282.735020] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.740564] ? check_preemption_disabled+0x48/0x200 [ 282.745599] irq_exit+0x17f/0x1c0 [ 282.749058] smp_apic_timer_interrupt+0x1cb/0x760 [ 282.753914] ? smp_reschedule_interrupt+0x109/0x650 [ 282.758938] ? smp_call_function_single_interrupt+0x650/0x650 [ 282.764823] ? interrupt_entry+0xb5/0xf0 [ 282.768891] ? trace_hardirqs_off_caller+0xbb/0x300 [ 282.773904] ? trace_hardirqs_off_caller+0xbb/0x300 [ 282.778924] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 282.783770] ? trace_hardirqs_off+0x300/0x300 [ 282.788268] ? trace_hardirqs_off+0x300/0x300 [ 282.792770] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 282.798318] ? check_preemption_disabled+0x48/0x200 [ 282.803347] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 282.808900] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 282.813761] apic_timer_interrupt+0xf/0x20 [ 282.817997] [ 282.820243] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 282.825174] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 282.844097] RSP: 0000:ffff88019f217748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 282.851826] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 282.859117] RDX: 0000000000000000 RSI: ffff88019f972d00 RDI: 0000000000000282 [ 282.866408] RBP: ffff88019f2177b0 R08: ffff88019f972480 R09: 0000000000000000 [ 282.873694] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 282.881001] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 282.888342] skb_clone+0x1bb/0x500 [ 282.891890] ? finish_task_switch+0x2f5/0x900 [ 282.896395] ? skb_split+0x11e0/0x11e0 [ 282.900289] ? preempt_notifier_register+0x200/0x200 [ 282.905399] ? __switch_to_asm+0x34/0x70 [ 282.909472] ? __switch_to_asm+0x34/0x70 [ 282.913540] ? __switch_to_asm+0x40/0x70 [ 282.917598] ? __switch_to_asm+0x34/0x70 [ 282.921659] ? __switch_to_asm+0x40/0x70 [ 282.925723] ? __switch_to_asm+0x34/0x70 [ 282.929788] ? __switch_to_asm+0x40/0x70 [ 282.933853] ? __switch_to_asm+0x34/0x70 [ 282.937919] ? __switch_to_asm+0x34/0x70 [ 282.941982] ? __switch_to_asm+0x40/0x70 [ 282.946047] ? __switch_to_asm+0x34/0x70 [ 282.950129] bpf_clone_redirect+0xb9/0x490 [ 282.954413] ? __schedule+0x874/0x1ed0 [ 282.958312] bpf_prog_a2323609a0d1adb1+0x624/0x1000 [ 282.963351] ? __sched_text_start+0x8/0x8 [ 282.967506] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 282.972286] ? find_held_lock+0x36/0x1c0 [ 282.976365] ? lock_acquire+0x1ed/0x520 [ 282.980350] ? bpf_test_run+0x32e/0x5a0 [ 282.984332] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 282.989894] ? check_preemption_disabled+0x48/0x200 [ 282.994933] ? kasan_check_read+0x11/0x20 [ 282.999101] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 283.004390] ? rcu_bh_qs+0xc0/0xc0 [ 283.007939] ? preempt_schedule+0x4d/0x60 [ 283.012101] ? ___preempt_schedule+0x16/0x18 [ 283.016523] ? bpf_test_run+0x1c0/0x5a0 [ 283.020516] ? netlink_diag_dump+0x2a0/0x2a0 [ 283.024936] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 283.030476] ? bpf_test_init.isra.9+0x70/0x100 [ 283.035065] ? bpf_prog_test_run_skb+0x634/0xb40 [ 283.039848] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 283.044704] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 283.050247] ? fput+0x130/0x1a0 [ 283.053534] ? __bpf_prog_get+0x9b/0x290 [ 283.057603] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 283.062451] ? bpf_prog_test_run+0x130/0x1a0 [ 283.066876] ? __x64_sys_bpf+0x3d8/0x510 [ 283.070940] ? bpf_prog_get+0x20/0x20 [ 283.074768] ? do_syscall_64+0x1b9/0x820 [ 283.078838] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 283.084224] ? syscall_return_slowpath+0x5e0/0x5e0 [ 283.089166] ? trace_hardirqs_off+0x300/0x300 [ 283.093672] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 283.098693] ? recalc_sigpending_tsk+0x180/0x180 [ 283.103475] ? kasan_check_write+0x14/0x20 [ 283.107747] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 283.112611] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 283.118009] CPU: 1 PID: 5351 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51 [ 283.118104] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 283.125561] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 283.125573] Call Trace: [ 283.132210] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 283.141441] [ 283.144027] syz-executor0 cpuset= [ 283.154528] dump_stack+0x1c4/0x2b4 [ 283.156659] syz0 [ 283.160128] ? dump_stack_print_info.cold.2+0x52/0x52 [ 283.163742] mems_allowed=0 [ 283.165729] warn_alloc.cold.118+0xb7/0x1bd [ 283.178157] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 283.183022] ? lock_downgrade+0x900/0x900 [ 283.187186] ? trace_hardirqs_off+0xb8/0x300 [ 283.191607] ? trace_hardirqs_off+0xb8/0x300 [ 283.196036] __alloc_pages_slowpath+0x2667/0x2d80 [ 283.200922] ? warn_alloc+0x120/0x120 [ 283.204740] ? warn_alloc+0x120/0x120 [ 283.208550] ? print_usage_bug+0xc0/0xc0 [ 283.212628] ? warn_alloc+0x120/0x120 [ 283.216451] ? print_usage_bug+0xc0/0xc0 [ 283.220531] ? __lock_acquire+0x7ec/0x4ec0 [ 283.224784] ? __lock_acquire+0x7ec/0x4ec0 [ 283.229046] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 283.234616] ? should_fail+0x22d/0xd01 [ 283.238535] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 283.243668] ? __lock_acquire+0x7ec/0x4ec0 [ 283.247932] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 283.253065] ? __lock_acquire+0x7ec/0x4ec0 [ 283.257338] ? should_fail+0x22d/0xd01 [ 283.261270] ? mark_held_locks+0x130/0x130 [ 283.265541] ? mark_held_locks+0x130/0x130 [ 283.269807] ? graph_lock+0x170/0x170 [ 283.273636] ? graph_lock+0x170/0x170 [ 283.277460] ? graph_lock+0x170/0x170 [ 283.281274] ? print_usage_bug+0xc0/0xc0 [ 283.285345] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.290896] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.296454] ? check_preemption_disabled+0x48/0x200 [ 283.301487] ? check_preemption_disabled+0x48/0x200 [ 283.306526] ? __lock_is_held+0xb5/0x140 [ 283.310611] __alloc_pages_nodemask+0xa80/0xde0 [ 283.315293] ? graph_lock+0x170/0x170 [ 283.319114] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 283.324138] ? graph_lock+0x170/0x170 [ 283.327962] ? find_held_lock+0x36/0x1c0 [ 283.332046] ? ____cache_alloc_node+0x1c7/0x1e0 [ 283.336740] ? lock_downgrade+0x900/0x900 [ 283.340916] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.346480] cache_grow_begin+0x91/0x8c0 [ 283.350561] ? do_raw_spin_unlock+0xa7/0x2f0 [ 283.354996] fallback_alloc+0x203/0x2e0 [ 283.358996] ____cache_alloc_node+0x1c7/0x1e0 [ 283.363521] kmem_cache_alloc_node+0xe3/0x730 [ 283.368045] ? ipv6_get_ifaddr+0x42e/0x620 [ 283.372312] __alloc_skb+0x119/0x770 [ 283.376043] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 283.381354] ? skb_scrub_packet+0x490/0x490 [ 283.385691] ? lock_downgrade+0x900/0x900 [ 283.389866] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.395420] ? refcount_sub_and_test_checked+0x203/0x310 [ 283.400892] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 283.406354] ? addrconf_rs_timer+0x6f0/0x6f0 [ 283.410799] ndisc_alloc_skb+0x144/0x340 [ 283.414896] ndisc_send_rs+0x331/0x6e0 [ 283.418812] addrconf_rs_timer+0x3c0/0x6f0 [ 283.423074] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 283.427344] call_timer_fn+0x272/0x920 [ 283.431237] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 283.435478] ? process_timeout+0x40/0x40 [ 283.439541] ? find_held_lock+0x36/0x1c0 [ 283.443622] ? __run_timers+0x7da/0xc70 [ 283.447608] ? _raw_spin_unlock_irq+0x27/0x80 [ 283.452127] ? _raw_spin_unlock_irq+0x27/0x80 [ 283.456639] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 283.460897] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 283.465509] ? trace_hardirqs_on+0xbd/0x310 [ 283.469862] ? kasan_check_read+0x11/0x20 [ 283.474032] ? __run_timers+0x7da/0xc70 [ 283.478031] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 283.483511] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 283.487775] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 283.492039] __run_timers+0x7e5/0xc70 [ 283.495893] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 283.501286] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 283.506333] ? graph_lock+0x170/0x170 [ 283.510163] ? enqueue_hrtimer+0x1a5/0x560 [ 283.514419] ? lock_release+0x970/0x970 [ 283.518424] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 283.523656] ? find_held_lock+0x36/0x1c0 [ 283.527756] ? pvclock_read_flags+0x160/0x160 [ 283.532284] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.537836] ? check_preemption_disabled+0x48/0x200 [ 283.542885] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 283.548437] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 283.553733] ? rcu_pm_notify+0xc0/0xc0 [ 283.557636] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.563193] ? check_preemption_disabled+0x48/0x200 [ 283.568240] run_timer_softirq+0x52/0xb0 [ 283.572324] ? rcu_read_lock_sched_held+0x108/0x120 [ 283.577371] __do_softirq+0x30b/0xad8 [ 283.581211] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 283.586343] ? pvclock_read_flags+0x160/0x160 [ 283.590858] ? lapic_next_event+0x5a/0x90 [ 283.595023] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.600575] ? check_preemption_disabled+0x48/0x200 [ 283.605610] ? check_preemption_disabled+0x48/0x200 [ 283.610641] ? kvm_clock_read+0x18/0x30 [ 283.614628] ? kvm_sched_clock_read+0x9/0x20 [ 283.619062] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.624634] ? check_preemption_disabled+0x48/0x200 [ 283.629690] irq_exit+0x17f/0x1c0 [ 283.633175] smp_apic_timer_interrupt+0x1cb/0x760 [ 283.638045] ? smp_reschedule_interrupt+0x109/0x650 [ 283.643105] ? smp_call_function_single_interrupt+0x650/0x650 [ 283.649016] ? interrupt_entry+0xb5/0xf0 [ 283.653108] ? trace_hardirqs_off_caller+0xbb/0x300 [ 283.658145] ? trace_hardirqs_off_caller+0xbb/0x300 [ 283.663183] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 283.668031] ? trace_hardirqs_off+0x300/0x300 [ 283.672526] ? trace_hardirqs_off+0x300/0x300 [ 283.677025] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.682569] ? check_preemption_disabled+0x48/0x200 [ 283.687591] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.693148] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 283.698010] apic_timer_interrupt+0xf/0x20 [ 283.702245] [ 283.704489] RIP: 0010:_raw_write_unlock_irq+0x56/0x80 [ 283.709680] Code: 52 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d ab aa 92 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 f0 ec 95 f9 65 8b 05 a9 6e 42 78 85 c0 74 05 5b [ 283.728597] RSP: 0018:ffff8801d8cf7350 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 283.736330] RAX: dffffc0000000000 RBX: ffffffff894090c0 RCX: 0000000000000000 [ 283.743619] RDX: 1ffffffff12a4537 RSI: 0000000000000001 RDI: ffffffff895229b8 [ 283.750909] RBP: ffff8801d8cf7358 R08: ffff8801c24ca580 R09: 0000000000000000 [ 283.758204] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d70737c0 [ 283.765497] R13: ffff8801d8cf7490 R14: 0000000000000000 R15: ffff8801c24cab00 [ 283.772824] do_exit+0x11ef/0x2610 [ 283.776392] ? mem_cgroup_commit_charge+0x275/0x9d0 [ 283.781434] ? mm_update_next_owner+0x990/0x990 [ 283.786125] ? print_usage_bug+0xc0/0xc0 [ 283.790204] ? graph_lock+0x170/0x170 [ 283.794034] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.799597] ? check_preemption_disabled+0x48/0x200 [ 283.804640] ? check_preemption_disabled+0x48/0x200 [ 283.809681] ? print_usage_bug+0xc0/0xc0 [ 283.813773] ? __lock_acquire+0x7ec/0x4ec0 [ 283.818040] ? __lock_acquire+0x7ec/0x4ec0 [ 283.822331] ? mark_held_locks+0x130/0x130 [ 283.826605] ? mark_held_locks+0x130/0x130 [ 283.830868] ? finish_task_switch+0x1b5/0x900 [ 283.835386] ? __switch_to_asm+0x34/0x70 [ 283.839465] ? __switch_to_asm+0x34/0x70 [ 283.843543] ? __switch_to_asm+0x34/0x70 [ 283.847621] ? __switch_to_asm+0x40/0x70 [ 283.851702] ? __switch_to_asm+0x34/0x70 [ 283.855781] ? __switch_to_asm+0x40/0x70 [ 283.859868] ? __switch_to_asm+0x34/0x70 [ 283.863951] ? __switch_to_asm+0x34/0x70 [ 283.868039] ? __switch_to_asm+0x34/0x70 [ 283.872134] ? __switch_to_asm+0x34/0x70 [ 283.876218] ? __switch_to_asm+0x40/0x70 [ 283.880300] ? __switch_to_asm+0x34/0x70 [ 283.884384] ? __switch_to_asm+0x40/0x70 [ 283.888477] ? graph_lock+0x170/0x170 [ 283.892308] ? graph_lock+0x170/0x170 [ 283.896146] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 283.901711] ? wait_consider_task+0x245/0x3bb0 [ 283.906327] ? memset+0x31/0x40 [ 283.909642] ? find_held_lock+0x36/0x1c0 [ 283.913747] ? get_signal+0x95b/0x1980 [ 283.917667] ? _raw_spin_unlock_irq+0x27/0x80 [ 283.922183] ? _raw_spin_unlock_irq+0x27/0x80 [ 283.926696] do_group_exit+0x177/0x440 [ 283.930600] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 283.936085] ? __ia32_sys_exit+0x50/0x50 [ 283.940190] get_signal+0x8b0/0x1980 [ 283.943939] ? ptrace_notify+0x130/0x130 [ 283.948025] ? do_wait+0x57d/0xb90 [ 283.951596] ? wait_consider_task+0x3bb0/0x3bb0 [ 283.956287] ? graph_lock+0x170/0x170 [ 283.960115] ? graph_lock+0x170/0x170 [ 283.963940] ? graph_lock+0x170/0x170 [ 283.967777] do_signal+0x9c/0x21e0 [ 283.971339] ? find_held_lock+0x36/0x1c0 [ 283.975434] ? setup_sigcontext+0x7d0/0x7d0 [ 283.979776] ? kernel_wait4+0x2e0/0x3f0 [ 283.983770] ? __ia32_sys_waitid+0x140/0x140 [ 283.988207] ? task_stopped_code+0x190/0x190 [ 283.992642] ? exit_to_usermode_loop+0x8c/0x380 [ 283.997354] ? __do_page_fault+0x4a6/0xed0 [ 284.001618] ? do_syscall_64+0x9a/0x820 [ 284.005616] ? do_syscall_64+0x9a/0x820 [ 284.009617] exit_to_usermode_loop+0x2e5/0x380 [ 284.014222] ? syscall_slow_exit_work+0x520/0x520 [ 284.019104] do_syscall_64+0x6be/0x820 [ 284.023026] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 284.028410] ? syscall_return_slowpath+0x5e0/0x5e0 [ 284.033353] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 284.038212] ? trace_hardirqs_off+0x300/0x300 [ 284.042726] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 284.047753] ? prepare_exit_to_usermode+0x291/0x3b0 [ 284.052788] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 284.057646] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 284.062843] RIP: 0033:0x410e7a [ 284.066042] Code: Bad RIP value. [ 284.069417] RSP: 002b:00007ffdfa797988 EFLAGS: 00000246 ORIG_RAX: 000000000000003d [ 284.077137] RAX: fffffffffffffe00 RBX: 00000000000014f2 RCX: 0000000000410e7a [ 284.084415] RDX: 0000000040000000 RSI: 00007ffdfa797994 RDI: ffffffffffffffff [ 284.091694] RBP: 0000000000930b28 R08: 00000000000014e7 R09: 00000000024eb940 [ 284.098978] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010 [ 284.106309] R13: 0000000000412a80 R14: 0000000000000000 R15: 0000000000000000 [ 284.113620] warn_alloc_show_mem: 1 callbacks suppressed [ 284.113634] CPU: 0 PID: 9562 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51 [ 284.113635] Mem-Info: [ 284.113665] active_anon:43308 inactive_anon:372 isolated_anon:0 [ 284.113665] active_file:9 inactive_file:26 isolated_file:0 [ 284.113665] unevictable:0 dirty:0 writeback:0 unstable:0 [ 284.113665] slab_reclaimable:8855 slab_unreclaimable:1462387 [ 284.113665] mapped:57522 shmem:379 pagetables:727 bounce:0 [ 284.113665] free:13711 free_pcp:202 free_cma:0 [ 284.119023] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 284.126220] Node 0 active_anon:173232kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 284.128623] Call Trace: [ 284.161415] Node 0 [ 284.170769] [ 284.198543] 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 [ 284.201116] dump_stack+0x1c4/0x2b4 [ 284.203326] lowmem_reserve[]: [ 284.205500] ? dump_stack_print_info.cold.2+0x52/0x52 [ 284.230978] 0 [ 284.234627] warn_alloc.cold.118+0xb7/0x1bd [ 284.237693] 2817 [ 284.242903] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 284.244686] 6321 [ 284.248999] ? lock_downgrade+0x900/0x900 [ 284.251036] 6321 [ 284.255878] ? trace_hardirqs_off+0xb8/0x300 [ 284.258383] Node 0 [ 284.262559] ? trace_hardirqs_off+0xb8/0x300 [ 284.264619] DMA32 free:24940kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 284.269008] __alloc_pages_slowpath+0x2667/0x2d80 [ 284.271217] lowmem_reserve[]: [ 284.275648] ? warn_alloc+0x120/0x120 [ 284.302508] 0 [ 284.307367] ? trace_hardirqs_on+0x310/0x310 [ 284.310436] 0 [ 284.314234] ? warn_alloc+0x120/0x120 [ 284.316008] 3503 3503 [ 284.320420] ? print_usage_bug+0xc0/0xc0 [ 284.325991] ? warn_alloc+0x120/0x120 [ 284.328465] Node 0 [ 284.332526] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 284.336323] Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:169136kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5568kB pagetables:2908kB bounce:0kB free_pcp:808kB local_pcp:692kB free_cma:0kB [ 284.338531] ? print_usage_bug+0xc0/0xc0 [ 284.343517] lowmem_reserve[]: 0 [ 284.371999] ? __lock_acquire+0x7ec/0x4ec0 [ 284.376041] 0 [ 284.379318] ? __lock_acquire+0x7ec/0x4ec0 [ 284.383534] 0 [ 284.385349] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 284.389546] 0 [ 284.391371] ? should_fail+0x22d/0xd01 [ 284.396886] Node 0 [ 284.398699] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 284.402555] DMA: 1*4kB [ 284.404816] ? __lock_acquire+0x7ec/0x4ec0 [ 284.409914] (U) [ 284.412536] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 284.416743] 0*8kB 0*16kB [ 284.418740] ? __lock_acquire+0x7ec/0x4ec0 [ 284.423827] 1*32kB [ 284.426598] ? should_fail+0x22d/0xd01 [ 284.430812] (U) [ 284.433057] ? print_usage_bug+0xc0/0xc0 [ 284.436925] 2*64kB (U) [ 284.438923] ? mark_held_locks+0x130/0x130 [ 284.442986] 1*128kB [ 284.445575] ? mark_held_locks+0x130/0x130 [ 284.449787] (U) [ 284.452133] ? graph_lock+0x170/0x170 [ 284.456338] 1*256kB [ 284.458321] ? print_usage_bug+0xc0/0xc0 [ 284.462103] (U) [ 284.464436] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 284.468477] 0*512kB [ 284.470468] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.475199] 1*1024kB (U) [ 284.477553] ? check_preemption_disabled+0x48/0x200 [ 284.483066] 1*2048kB (M) [ 284.485869] ? check_preemption_disabled+0x48/0x200 [ 284.490866] 3*4096kB (M) [ 284.493658] ? __lock_is_held+0xb5/0x140 [ 284.498649] = 15908kB [ 284.498659] Node 0 [ 284.501432] __alloc_pages_nodemask+0xa80/0xde0 [ 284.505464] DMA32: 3*4kB [ 284.507891] ? graph_lock+0x170/0x170 [ 284.510110] (UM) [ 284.514791] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 284.517548] 2*8kB (U) [ 284.521374] ? graph_lock+0x170/0x170 [ 284.523414] 5*16kB (UM) [ 284.528458] ? find_held_lock+0x36/0x1c0 [ 284.530935] 2*32kB (UM) [ 284.534764] ? ____cache_alloc_node+0x1c7/0x1e0 [ 284.537418] 3*64kB [ 284.541495] ? lock_downgrade+0x900/0x900 [ 284.544144] (UM) 4*128kB [ 284.548852] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.551070] (UM) 2*256kB [ 284.555276] cache_grow_begin+0x91/0x8c0 [ 284.558011] (M) 4*512kB [ 284.563586] ? do_raw_spin_unlock+0xa7/0x2f0 [ 284.566321] (UM) 3*1024kB [ 284.570417] fallback_alloc+0x203/0x2e0 [ 284.573068] (M) [ 284.577504] ____cache_alloc_node+0x1c7/0x1e0 [ 284.580329] 1*2048kB [ 284.584325] kmem_cache_alloc_node+0xe3/0x730 [ 284.586275] (U) [ 284.590786] ? ipv6_get_ifaddr+0x42e/0x620 [ 284.593176] 4*4096kB [ 284.597686] __alloc_skb+0x119/0x770 [ 284.599641] (M) [ 284.603895] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 284.606292] = 24940kB [ 284.610013] ? skb_scrub_packet+0x490/0x490 [ 284.611970] Node 0 [ 284.617263] ? lock_downgrade+0x900/0x900 [ 284.619654] Normal: [ 284.623999] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.626219] 667*4kB [ 284.630394] ? refcount_sub_and_test_checked+0x203/0x310 [ 284.632687] (UMEH) 358*8kB [ 284.638255] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 284.640551] (UMEH) [ 284.646014] ? addrconf_rs_timer+0x6f0/0x6f0 [ 284.648922] 191*16kB (UMEH) [ 284.654406] ndisc_alloc_skb+0x144/0x340 [ 284.656613] 81*32kB (UMEH) [ 284.661054] ndisc_send_rs+0x331/0x6e0 [ 284.664050] 30*64kB (UMH) [ 284.668147] addrconf_rs_timer+0x3c0/0x6f0 [ 284.671064] 1*128kB [ 284.674978] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.677807] (M) [ 284.682075] call_timer_fn+0x272/0x920 [ 284.684378] 3*256kB (UH) [ 284.688639] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.690592] 0*512kB 0*1024kB [ 284.694505] ? process_timeout+0x40/0x40 [ 284.697237] 0*2048kB 0*4096kB [ 284.701496] ? find_held_lock+0x36/0x1c0 [ 284.704589] = 13996kB [ 284.708678] ? __run_timers+0x7da/0xc70 [ 284.711866] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 284.715944] ? _raw_spin_unlock_irq+0x27/0x80 [ 284.718336] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 284.718351] 414 total pagecache pages [ 284.722346] ? _raw_spin_unlock_irq+0x27/0x80 [ 284.731169] 0 pages in swap cache [ 284.735680] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.744238] Swap cache stats: add 0, delete 0, find 0/0 [ 284.744251] Free swap = 0kB [ 284.748075] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 284.752555] Total swap = 0kB [ 284.752565] 1965979 pages RAM [ 284.756036] ? trace_hardirqs_on+0xbd/0x310 [ 284.760245] 0 pages HighMem/MovableOnly [ 284.760255] 342744 pages reserved [ 284.765626] ? kasan_check_read+0x11/0x20 [ 284.765644] ? __run_timers+0x7da/0xc70 [ 284.768646] 0 pages cma reserved [ 284.768720] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 284.773254] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 284.776323] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 284.779374] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.783683] syz-executor1 cpuset= [ 284.787672] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 284.791122] / [ 284.795292] __run_timers+0x7e5/0xc70 [ 284.799250] mems_allowed=0 [ 284.845423] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 284.850818] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 284.855857] ? graph_lock+0x170/0x170 [ 284.859684] ? enqueue_hrtimer+0x1a5/0x560 [ 284.863938] ? lock_release+0x970/0x970 [ 284.867939] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 284.873165] ? find_held_lock+0x36/0x1c0 [ 284.877256] ? graph_lock+0x170/0x170 [ 284.881087] ? pvclock_read_flags+0x160/0x160 [ 284.885614] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.891177] ? check_preemption_disabled+0x48/0x200 [ 284.896232] ? __lock_is_held+0xb5/0x140 [ 284.900319] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.905959] ? check_preemption_disabled+0x48/0x200 [ 284.911031] run_timer_softirq+0x52/0xb0 [ 284.915115] ? rcu_read_lock_sched_held+0x108/0x120 [ 284.920158] __do_softirq+0x30b/0xad8 [ 284.923994] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 284.929129] ? pvclock_read_flags+0x160/0x160 [ 284.933643] ? lapic_next_event+0x5a/0x90 [ 284.937806] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.943375] ? check_preemption_disabled+0x48/0x200 [ 284.948407] ? check_preemption_disabled+0x48/0x200 [ 284.953455] ? kvm_clock_read+0x18/0x30 [ 284.957441] ? kvm_sched_clock_read+0x9/0x20 [ 284.961873] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 284.967463] ? check_preemption_disabled+0x48/0x200 [ 284.972512] irq_exit+0x17f/0x1c0 [ 284.976009] smp_apic_timer_interrupt+0x1cb/0x760 [ 284.980878] ? smp_reschedule_interrupt+0x109/0x650 [ 284.985924] ? smp_call_function_single_interrupt+0x650/0x650 [ 284.991839] ? interrupt_entry+0xb5/0xf0 [ 284.995930] ? trace_hardirqs_off_caller+0xbb/0x300 [ 285.000977] ? trace_hardirqs_off_caller+0xbb/0x300 [ 285.006026] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 285.010902] ? trace_hardirqs_off+0x300/0x300 [ 285.015423] ? trace_hardirqs_off+0x300/0x300 [ 285.019950] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 285.025518] ? check_preemption_disabled+0x48/0x200 [ 285.030559] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 285.036142] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 285.041025] apic_timer_interrupt+0xf/0x20 [ 285.045272] [ 285.047528] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 285.052480] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 285.071405] RSP: 0000:ffff88019f217748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 285.079139] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 285.086434] RDX: 0000000000000000 RSI: ffff88019f972d00 RDI: 0000000000000282 [ 285.093722] RBP: ffff88019f2177b0 R08: ffff88019f972480 R09: 0000000000000000 [ 285.101014] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 285.108352] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 285.115702] skb_clone+0x1bb/0x500 [ 285.119289] ? finish_task_switch+0x2f5/0x900 [ 285.123837] ? skb_split+0x11e0/0x11e0 [ 285.129243] ? preempt_notifier_register+0x200/0x200 [ 285.134380] ? __switch_to_asm+0x34/0x70 [ 285.138471] ? __switch_to_asm+0x34/0x70 [ 285.142553] ? __switch_to_asm+0x40/0x70 [ 285.146631] ? __switch_to_asm+0x34/0x70 [ 285.150714] ? __switch_to_asm+0x40/0x70 [ 285.154795] ? __switch_to_asm+0x34/0x70 [ 285.158876] ? __switch_to_asm+0x40/0x70 [ 285.162958] ? __switch_to_asm+0x34/0x70 [ 285.167042] ? __switch_to_asm+0x34/0x70 [ 285.171135] ? __switch_to_asm+0x40/0x70 [ 285.175221] ? __switch_to_asm+0x34/0x70 [ 285.179318] bpf_clone_redirect+0xb9/0x490 [ 285.183594] ? __schedule+0x874/0x1ed0 [ 285.187507] bpf_prog_a2323609a0d1adb1+0x624/0x1000 [ 285.192554] ? __sched_text_start+0x8/0x8 [ 285.196718] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 285.201529] ? find_held_lock+0x36/0x1c0 [ 285.205613] ? lock_acquire+0x1ed/0x520 [ 285.209599] ? bpf_test_run+0x32e/0x5a0 [ 285.213593] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.219152] ? check_preemption_disabled+0x48/0x200 [ 285.224198] ? kasan_check_read+0x11/0x20 [ 285.228375] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 285.233684] ? rcu_bh_qs+0xc0/0xc0 [ 285.237255] ? preempt_schedule+0x4d/0x60 [ 285.241433] ? ___preempt_schedule+0x16/0x18 [ 285.245873] ? bpf_test_run+0x1c0/0x5a0 [ 285.249882] ? netlink_diag_dump+0x2a0/0x2a0 [ 285.254325] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 285.259898] ? bpf_test_init.isra.9+0x70/0x100 [ 285.264503] ? bpf_prog_test_run_skb+0x634/0xb40 [ 285.269281] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 285.274139] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 285.279697] ? fput+0x130/0x1a0 [ 285.282989] ? __bpf_prog_get+0x9b/0x290 [ 285.287061] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 285.291922] ? bpf_prog_test_run+0x130/0x1a0 [ 285.296374] ? __x64_sys_bpf+0x3d8/0x510 [ 285.300441] ? bpf_prog_get+0x20/0x20 [ 285.304270] ? do_syscall_64+0x1b9/0x820 [ 285.308336] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 285.313715] ? syscall_return_slowpath+0x5e0/0x5e0 [ 285.318658] ? trace_hardirqs_off+0x300/0x300 [ 285.323171] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 285.328203] ? recalc_sigpending_tsk+0x180/0x180 [ 285.332970] ? kasan_check_write+0x14/0x20 [ 285.337221] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 285.342087] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 285.347483] CPU: 1 PID: 5351 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51 [ 285.347553] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 285.354693] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 285.354703] Call Trace: [ 285.361320] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 285.370555] [ 285.373133] syz-executor0 cpuset= [ 285.383631] dump_stack+0x1c4/0x2b4 [ 285.385762] syz0 [ 285.389213] ? dump_stack_print_info.cold.2+0x52/0x52 [ 285.392819] mems_allowed=0 [ 285.394807] warn_alloc.cold.118+0xb7/0x1bd [ 285.407225] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 285.412097] ? lock_downgrade+0x900/0x900 [ 285.416268] ? trace_hardirqs_off+0xb8/0x300 [ 285.420699] ? trace_hardirqs_off+0xb8/0x300 [ 285.425134] __alloc_pages_slowpath+0x2667/0x2d80 [ 285.430024] ? warn_alloc+0x120/0x120 [ 285.433866] ? warn_alloc+0x120/0x120 [ 285.437763] ? print_usage_bug+0xc0/0xc0 [ 285.441829] ? warn_alloc+0x120/0x120 [ 285.445668] ? print_usage_bug+0xc0/0xc0 [ 285.449739] ? __lock_acquire+0x7ec/0x4ec0 [ 285.453976] ? __lock_acquire+0x7ec/0x4ec0 [ 285.458221] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 285.463766] ? should_fail+0x22d/0xd01 [ 285.467662] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 285.472774] ? __lock_acquire+0x7ec/0x4ec0 [ 285.477022] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 285.482129] ? __lock_acquire+0x7ec/0x4ec0 [ 285.486364] ? should_fail+0x22d/0xd01 [ 285.490271] ? mark_held_locks+0x130/0x130 [ 285.494516] ? mark_held_locks+0x130/0x130 [ 285.498755] ? graph_lock+0x170/0x170 [ 285.502558] ? graph_lock+0x170/0x170 [ 285.506368] ? graph_lock+0x170/0x170 [ 285.510170] ? print_usage_bug+0xc0/0xc0 [ 285.514231] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.519771] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.525318] ? check_preemption_disabled+0x48/0x200 [ 285.530339] ? check_preemption_disabled+0x48/0x200 [ 285.535366] ? __lock_is_held+0xb5/0x140 [ 285.539435] __alloc_pages_nodemask+0xa80/0xde0 [ 285.544114] ? graph_lock+0x170/0x170 [ 285.547921] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 285.552936] ? graph_lock+0x170/0x170 [ 285.556751] ? find_held_lock+0x36/0x1c0 [ 285.560846] ? ____cache_alloc_node+0x1c7/0x1e0 [ 285.565519] ? lock_downgrade+0x900/0x900 [ 285.569677] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.575228] cache_grow_begin+0x91/0x8c0 [ 285.579300] ? do_raw_spin_unlock+0xa7/0x2f0 [ 285.583726] fallback_alloc+0x203/0x2e0 [ 285.587715] ____cache_alloc_node+0x1c7/0x1e0 [ 285.592222] kmem_cache_alloc_node+0xe3/0x730 [ 285.596729] ? ipv6_get_ifaddr+0x42e/0x620 [ 285.600976] __alloc_skb+0x119/0x770 [ 285.604697] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 285.609982] ? skb_scrub_packet+0x490/0x490 [ 285.614310] ? lock_downgrade+0x900/0x900 [ 285.618468] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.624010] ? refcount_sub_and_test_checked+0x203/0x310 [ 285.629499] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 285.634961] ? addrconf_rs_timer+0x6f0/0x6f0 [ 285.639408] ndisc_alloc_skb+0x144/0x340 [ 285.643486] ndisc_send_rs+0x331/0x6e0 [ 285.647383] addrconf_rs_timer+0x3c0/0x6f0 [ 285.651627] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 285.655881] call_timer_fn+0x272/0x920 [ 285.659770] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 285.664009] ? process_timeout+0x40/0x40 [ 285.668068] ? find_held_lock+0x36/0x1c0 [ 285.672152] ? __run_timers+0x7da/0xc70 [ 285.676132] ? _raw_spin_unlock_irq+0x27/0x80 [ 285.680630] ? _raw_spin_unlock_irq+0x27/0x80 [ 285.685127] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 285.689363] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 285.693948] ? trace_hardirqs_on+0xbd/0x310 [ 285.698269] ? kasan_check_read+0x11/0x20 [ 285.702420] ? __run_timers+0x7da/0xc70 [ 285.706400] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 285.711860] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 285.716112] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 285.720350] __run_timers+0x7e5/0xc70 [ 285.724171] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 285.729539] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 285.734559] ? graph_lock+0x170/0x170 [ 285.738367] ? enqueue_hrtimer+0x1a5/0x560 [ 285.742605] ? lock_release+0x970/0x970 [ 285.746582] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 285.751780] ? find_held_lock+0x36/0x1c0 [ 285.755857] ? pvclock_read_flags+0x160/0x160 [ 285.760359] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.765906] ? check_preemption_disabled+0x48/0x200 [ 285.770936] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 285.776479] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 285.781765] ? rcu_pm_notify+0xc0/0xc0 [ 285.785660] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.791209] ? check_preemption_disabled+0x48/0x200 [ 285.796241] run_timer_softirq+0x52/0xb0 [ 285.800309] ? rcu_read_lock_sched_held+0x108/0x120 [ 285.805334] __do_softirq+0x30b/0xad8 [ 285.809155] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 285.814273] ? pvclock_read_flags+0x160/0x160 [ 285.818771] ? lapic_next_event+0x5a/0x90 [ 285.822926] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.828470] ? check_preemption_disabled+0x48/0x200 [ 285.833512] ? check_preemption_disabled+0x48/0x200 [ 285.838539] ? kvm_clock_read+0x18/0x30 [ 285.842535] ? kvm_sched_clock_read+0x9/0x20 [ 285.846949] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.852488] ? check_preemption_disabled+0x48/0x200 [ 285.857521] irq_exit+0x17f/0x1c0 [ 285.860981] smp_apic_timer_interrupt+0x1cb/0x760 [ 285.865824] ? smp_reschedule_interrupt+0x109/0x650 [ 285.870853] ? smp_call_function_single_interrupt+0x650/0x650 [ 285.876749] ? interrupt_entry+0xb5/0xf0 [ 285.880820] ? trace_hardirqs_off_caller+0xbb/0x300 [ 285.885855] ? trace_hardirqs_off_caller+0xbb/0x300 [ 285.890887] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 285.895742] ? trace_hardirqs_off+0x300/0x300 [ 285.900247] ? trace_hardirqs_off+0x300/0x300 [ 285.904760] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.910316] ? check_preemption_disabled+0x48/0x200 [ 285.915348] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 285.920932] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 285.925800] apic_timer_interrupt+0xf/0x20 [ 285.930039] [ 285.932288] RIP: 0010:_raw_write_unlock_irq+0x56/0x80 [ 285.937480] Code: 52 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d ab aa 92 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 f0 ec 95 f9 65 8b 05 a9 6e 42 78 85 c0 74 05 5b [ 285.956415] RSP: 0018:ffff8801d8cf7350 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 285.964145] RAX: dffffc0000000000 RBX: ffffffff894090c0 RCX: 0000000000000000 [ 285.971424] RDX: 1ffffffff12a4537 RSI: 0000000000000001 RDI: ffffffff895229b8 [ 285.978701] RBP: ffff8801d8cf7358 R08: ffff8801c24ca580 R09: 0000000000000000 [ 285.985982] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d70737c0 [ 285.993259] R13: ffff8801d8cf7490 R14: 0000000000000000 R15: ffff8801c24cab00 [ 286.000577] do_exit+0x11ef/0x2610 [ 286.004129] ? mem_cgroup_commit_charge+0x275/0x9d0 [ 286.009167] ? mm_update_next_owner+0x990/0x990 [ 286.013855] ? print_usage_bug+0xc0/0xc0 [ 286.017935] ? graph_lock+0x170/0x170 [ 286.021755] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.027304] ? check_preemption_disabled+0x48/0x200 [ 286.032325] ? check_preemption_disabled+0x48/0x200 [ 286.037348] ? print_usage_bug+0xc0/0xc0 [ 286.041419] ? __lock_acquire+0x7ec/0x4ec0 [ 286.045661] ? __lock_acquire+0x7ec/0x4ec0 [ 286.049919] ? mark_held_locks+0x130/0x130 [ 286.054168] ? mark_held_locks+0x130/0x130 [ 286.058410] ? finish_task_switch+0x1b5/0x900 [ 286.062909] ? __switch_to_asm+0x34/0x70 [ 286.066974] ? __switch_to_asm+0x34/0x70 [ 286.071124] ? __switch_to_asm+0x34/0x70 [ 286.075184] ? __switch_to_asm+0x40/0x70 [ 286.079265] ? __switch_to_asm+0x34/0x70 [ 286.083324] ? __switch_to_asm+0x40/0x70 [ 286.087388] ? __switch_to_asm+0x34/0x70 [ 286.091450] ? __switch_to_asm+0x34/0x70 [ 286.095523] ? __switch_to_asm+0x34/0x70 [ 286.099604] ? __switch_to_asm+0x34/0x70 [ 286.103678] ? __switch_to_asm+0x40/0x70 [ 286.107756] ? __switch_to_asm+0x34/0x70 [ 286.111836] ? __switch_to_asm+0x40/0x70 [ 286.115927] ? graph_lock+0x170/0x170 [ 286.119743] ? graph_lock+0x170/0x170 [ 286.123558] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.129109] ? wait_consider_task+0x245/0x3bb0 [ 286.133699] ? memset+0x31/0x40 [ 286.136994] ? find_held_lock+0x36/0x1c0 [ 286.141072] ? get_signal+0x95b/0x1980 [ 286.144980] ? _raw_spin_unlock_irq+0x27/0x80 [ 286.149484] ? _raw_spin_unlock_irq+0x27/0x80 [ 286.153995] do_group_exit+0x177/0x440 [ 286.157893] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 286.163356] ? __ia32_sys_exit+0x50/0x50 [ 286.167438] get_signal+0x8b0/0x1980 [ 286.171172] ? ptrace_notify+0x130/0x130 [ 286.175232] ? do_wait+0x57d/0xb90 [ 286.178784] ? wait_consider_task+0x3bb0/0x3bb0 [ 286.183452] ? graph_lock+0x170/0x170 [ 286.187255] ? graph_lock+0x170/0x170 [ 286.191059] ? graph_lock+0x170/0x170 [ 286.194888] do_signal+0x9c/0x21e0 [ 286.198432] ? find_held_lock+0x36/0x1c0 [ 286.202504] ? setup_sigcontext+0x7d0/0x7d0 [ 286.206831] ? kernel_wait4+0x2e0/0x3f0 [ 286.210817] ? __ia32_sys_waitid+0x140/0x140 [ 286.215241] ? task_stopped_code+0x190/0x190 [ 286.219676] ? exit_to_usermode_loop+0x8c/0x380 [ 286.224366] ? __do_page_fault+0x4a6/0xed0 [ 286.228603] ? do_syscall_64+0x9a/0x820 [ 286.232581] ? do_syscall_64+0x9a/0x820 [ 286.236562] exit_to_usermode_loop+0x2e5/0x380 [ 286.241155] ? syscall_slow_exit_work+0x520/0x520 [ 286.246016] do_syscall_64+0x6be/0x820 [ 286.249956] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 286.255344] ? syscall_return_slowpath+0x5e0/0x5e0 [ 286.260748] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 286.265607] ? trace_hardirqs_off+0x300/0x300 [ 286.270122] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 286.275147] ? prepare_exit_to_usermode+0x291/0x3b0 [ 286.280182] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 286.285061] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 286.290270] RIP: 0033:0x410e7a [ 286.293467] Code: Bad RIP value. [ 286.296827] RSP: 002b:00007ffdfa797988 EFLAGS: 00000246 ORIG_RAX: 000000000000003d [ 286.304546] RAX: fffffffffffffe00 RBX: 00000000000014f2 RCX: 0000000000410e7a [ 286.311815] RDX: 0000000040000000 RSI: 00007ffdfa797994 RDI: ffffffffffffffff [ 286.319101] RBP: 0000000000930b28 R08: 00000000000014e7 R09: 00000000024eb940 [ 286.326377] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010 [ 286.333649] R13: 0000000000412a80 R14: 0000000000000000 R15: 0000000000000000 [ 286.340947] warn_alloc_show_mem: 1 callbacks suppressed [ 286.340960] CPU: 0 PID: 9562 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51 [ 286.340962] Mem-Info: [ 286.340992] active_anon:43308 inactive_anon:372 isolated_anon:0 [ 286.340992] active_file:9 inactive_file:26 isolated_file:0 [ 286.340992] unevictable:0 dirty:0 writeback:0 unstable:0 [ 286.340992] slab_reclaimable:8855 slab_unreclaimable:1462387 [ 286.340992] mapped:57522 shmem:379 pagetables:727 bounce:0 [ 286.340992] free:13711 free_pcp:202 free_cma:0 [ 286.346347] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 286.353537] Node 0 active_anon:173232kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 286.355934] Call Trace: [ 286.388728] Node 0 [ 286.398097] [ 286.425880] 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 [ 286.428561] dump_stack+0x1c4/0x2b4 [ 286.430762] lowmem_reserve[]: 0 [ 286.432916] ? dump_stack_print_info.cold.2+0x52/0x52 [ 286.458425] 2817 [ 286.462072] warn_alloc.cold.118+0xb7/0x1bd [ 286.465309] 6321 [ 286.470496] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 286.472530] 6321 [ 286.476852] ? lock_downgrade+0x900/0x900 [ 286.483736] ? trace_hardirqs_off+0xb8/0x300 [ 286.485771] Node 0 [ 286.489914] ? trace_hardirqs_off+0xb8/0x300 [ 286.494322] DMA32 free:24940kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 286.496537] __alloc_pages_slowpath+0x2667/0x2d80 [ 286.500905] lowmem_reserve[]: 0 [ 286.527753] ? warn_alloc+0x120/0x120 [ 286.532547] 0 3503 [ 286.535834] ? trace_hardirqs_on+0x310/0x310 [ 286.539612] 3503 [ 286.541844] ? warn_alloc+0x120/0x120 [ 286.546232] Node 0 [ 286.548289] ? print_usage_bug+0xc0/0xc0 [ 286.552103] Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:169136kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5568kB pagetables:2908kB bounce:0kB free_pcp:808kB local_pcp:692kB free_cma:0kB [ 286.554308] ? warn_alloc+0x120/0x120 [ 286.558338] lowmem_reserve[]: 0 0 [ 286.586821] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 286.590597] 0 [ 286.594046] ? print_usage_bug+0xc0/0xc0 [ 286.599028] 0 [ 286.600870] ? __lock_acquire+0x7ec/0x4ec0 [ 286.604906] Node 0 [ 286.606701] ? __lock_acquire+0x7ec/0x4ec0 [ 286.610912] DMA: [ 286.613146] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 286.617355] 1*4kB [ 286.619413] ? should_fail+0x22d/0xd01 [ 286.624921] (U) [ 286.627095] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 286.630967] 0*8kB 0*16kB [ 286.632966] ? __lock_acquire+0x7ec/0x4ec0 [ 286.638040] 1*32kB (U) [ 286.640800] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 286.645005] 2*64kB (U) [ 286.647591] ? __lock_acquire+0x7ec/0x4ec0 [ 286.652664] 1*128kB (U) [ 286.655252] ? should_fail+0x22d/0xd01 [ 286.659461] 1*256kB [ 286.662126] ? print_usage_bug+0xc0/0xc0 [ 286.665986] (U) [ 286.668310] ? mark_held_locks+0x130/0x130 [ 286.672342] 0*512kB 1*1024kB [ 286.674318] ? mark_held_locks+0x130/0x130 [ 286.678526] (U) [ 286.681630] ? graph_lock+0x170/0x170 [ 286.685837] 1*2048kB [ 286.687821] ? print_usage_bug+0xc0/0xc0 [ 286.691612] (M) [ 286.694019] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 286.698054] 3*4096kB [ 286.700029] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.704754] (M) [ 286.707161] ? check_preemption_disabled+0x48/0x200 [ 286.712667] = 15908kB [ 286.714636] ? check_preemption_disabled+0x48/0x200 [ 286.719624] Node 0 [ 286.722039] ? __lock_is_held+0xb5/0x140 [ 286.727021] DMA32: [ 286.729257] __alloc_pages_nodemask+0xa80/0xde0 [ 286.733289] 3*4kB [ 286.735537] ? graph_lock+0x170/0x170 [ 286.740179] (UM) [ 286.742325] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 286.746103] 2*8kB (U) [ 286.748172] ? graph_lock+0x170/0x170 [ 286.753167] 5*16kB [ 286.755668] ? find_held_lock+0x36/0x1c0 [ 286.759522] (UM) [ 286.761761] ? ____cache_alloc_node+0x1c7/0x1e0 [ 286.765790] 2*32kB [ 286.767848] ? lock_downgrade+0x900/0x900 [ 286.772499] (UM) [ 286.774737] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.778858] 3*64kB [ 286.780920] cache_grow_begin+0x91/0x8c0 [ 286.786426] (UM) [ 286.788658] ? do_raw_spin_unlock+0xa7/0x2f0 [ 286.792692] 4*128kB [ 286.794753] fallback_alloc+0x203/0x2e0 [ 286.799128] (UM) [ 286.801452] ____cache_alloc_node+0x1c7/0x1e0 [ 286.805391] 2*256kB (M) [ 286.807461] kmem_cache_alloc_node+0xe3/0x730 [ 286.811923] 4*512kB (UM) [ 286.814602] ? ipv6_get_ifaddr+0x42e/0x620 [ 286.819066] 3*1024kB (M) [ 286.821840] __alloc_skb+0x119/0x770 [ 286.826045] 1*2048kB (U) [ 286.828808] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 286.832494] 4*4096kB [ 286.835266] ? skb_scrub_packet+0x490/0x490 [ 286.840514] (M) [ 286.842920] ? lock_downgrade+0x900/0x900 [ 286.847216] = 24940kB [ 286.849194] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 286.853313] Node 0 [ 286.855721] ? refcount_sub_and_test_checked+0x203/0x310 [ 286.861228] Normal: [ 286.863462] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 286.868906] 667*4kB [ 286.871228] ? addrconf_rs_timer+0x6f0/0x6f0 [ 286.876654] (UMEH) [ 286.878982] ndisc_alloc_skb+0x144/0x340 [ 286.883378] 358*8kB [ 286.885616] ndisc_send_rs+0x331/0x6e0 [ 286.889649] (UMEH) [ 286.891971] addrconf_rs_timer+0x3c0/0x6f0 [ 286.895828] 191*16kB [ 286.898060] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 286.902266] (UMEH) [ 286.904690] call_timer_fn+0x272/0x920 [ 286.908874] 81*32kB (UMEH) [ 286.911123] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 286.914979] 30*64kB (UMH) [ 286.917923] ? process_timeout+0x40/0x40 [ 286.922130] 1*128kB [ 286.924970] ? find_held_lock+0x36/0x1c0 [ 286.929002] (M) [ 286.931330] ? __run_timers+0x7da/0xc70 [ 286.935360] 3*256kB [ 286.937330] ? _raw_spin_unlock_irq+0x27/0x80 [ 286.941298] (UH) [ 286.943617] ? _raw_spin_unlock_irq+0x27/0x80 [ 286.948096] 0*512kB [ 286.950167] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 286.954635] 0*1024kB [ 286.956955] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 286.961171] 0*2048kB 0*4096kB [ 286.963609] ? trace_hardirqs_on+0xbd/0x310 [ 286.968167] = 13996kB [ 286.971367] ? kasan_check_read+0x11/0x20 [ 286.975657] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 286.978060] ? __run_timers+0x7da/0xc70 [ 286.982186] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 286.991012] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 286.994962] 414 total pagecache pages [ 287.003531] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.008961] 0 pages in swap cache [ 287.012749] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.016962] Swap cache stats: add 0, delete 0, find 0/0 [ 287.020411] __run_timers+0x7e5/0xc70 [ 287.024642] Free swap = 0kB [ 287.030011] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 287.033777] Total swap = 0kB [ 287.036808] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 287.042146] 1965979 pages RAM [ 287.045161] ? graph_lock+0x170/0x170 [ 287.050146] 0 pages HighMem/MovableOnly [ 287.050154] 342744 pages reserved [ 287.053254] ? enqueue_hrtimer+0x1a5/0x560 [ 287.057031] 0 pages cma reserved [ 287.060997] ? lock_release+0x970/0x970 [ 287.064493] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 287.068651] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 287.068672] ? find_held_lock+0x36/0x1c0 [ 287.068690] ? graph_lock+0x170/0x170 [ 287.072106] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 287.076002] ? pvclock_read_flags+0x160/0x160 [ 287.082471] syz-executor1 cpuset= [ 287.087658] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.091692] / [ 287.095488] ? check_preemption_disabled+0x48/0x200 [ 287.105950] mems_allowed=0 [ 287.129577] ? __lock_is_held+0xb5/0x140 [ 287.133646] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.139190] ? check_preemption_disabled+0x48/0x200 [ 287.144223] run_timer_softirq+0x52/0xb0 [ 287.148287] ? rcu_read_lock_sched_held+0x108/0x120 [ 287.153311] __do_softirq+0x30b/0xad8 [ 287.157131] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 287.162247] ? pvclock_read_flags+0x160/0x160 [ 287.166743] ? lapic_next_event+0x5a/0x90 [ 287.170895] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.176435] ? check_preemption_disabled+0x48/0x200 [ 287.181458] ? check_preemption_disabled+0x48/0x200 [ 287.186483] ? kvm_clock_read+0x18/0x30 [ 287.190459] ? kvm_sched_clock_read+0x9/0x20 [ 287.194874] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.200415] ? check_preemption_disabled+0x48/0x200 [ 287.205446] irq_exit+0x17f/0x1c0 [ 287.208908] smp_apic_timer_interrupt+0x1cb/0x760 [ 287.213751] ? smp_reschedule_interrupt+0x109/0x650 [ 287.218775] ? smp_call_function_single_interrupt+0x650/0x650 [ 287.224660] ? interrupt_entry+0xb5/0xf0 [ 287.228724] ? trace_hardirqs_off_caller+0xbb/0x300 [ 287.233745] ? trace_hardirqs_off_caller+0xbb/0x300 [ 287.238762] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 287.243610] ? trace_hardirqs_off+0x300/0x300 [ 287.248115] ? trace_hardirqs_off+0x300/0x300 [ 287.252612] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 287.258157] ? check_preemption_disabled+0x48/0x200 [ 287.263173] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 287.268722] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 287.273581] apic_timer_interrupt+0xf/0x20 [ 287.277810] [ 287.280054] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 287.284996] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 287.303915] RSP: 0000:ffff88019f217748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 287.311634] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 287.318904] RDX: 0000000000000000 RSI: ffff88019f972d00 RDI: 0000000000000282 [ 287.326177] RBP: ffff88019f2177b0 R08: ffff88019f972480 R09: 0000000000000000 [ 287.333447] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 287.340720] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 287.348044] skb_clone+0x1bb/0x500 [ 287.351597] ? finish_task_switch+0x2f5/0x900 [ 287.356109] ? skb_split+0x11e0/0x11e0 [ 287.360008] ? preempt_notifier_register+0x200/0x200 [ 287.365126] ? __switch_to_asm+0x34/0x70 [ 287.369196] ? __switch_to_asm+0x34/0x70 [ 287.373262] ? __switch_to_asm+0x40/0x70 [ 287.377328] ? __switch_to_asm+0x34/0x70 [ 287.381401] ? __switch_to_asm+0x40/0x70 [ 287.385463] ? __switch_to_asm+0x34/0x70 [ 287.389533] ? __switch_to_asm+0x40/0x70 [ 287.393600] ? __switch_to_asm+0x34/0x70 [ 287.397662] ? __switch_to_asm+0x34/0x70 [ 287.401730] ? __switch_to_asm+0x40/0x70 [ 287.405795] ? __switch_to_asm+0x34/0x70 [ 287.409876] bpf_clone_redirect+0xb9/0x490 [ 287.414137] ? __schedule+0x874/0x1ed0 [ 287.418038] bpf_prog_a2323609a0d1adb1+0x624/0x1000 [ 287.423073] ? __sched_text_start+0x8/0x8 [ 287.427247] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 287.432031] ? find_held_lock+0x36/0x1c0 [ 287.436117] ? lock_acquire+0x1ed/0x520 [ 287.440106] ? bpf_test_run+0x32e/0x5a0 [ 287.444105] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.449664] ? check_preemption_disabled+0x48/0x200 [ 287.454705] ? kasan_check_read+0x11/0x20 [ 287.458873] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 287.464164] ? rcu_bh_qs+0xc0/0xc0 [ 287.467717] ? preempt_schedule+0x4d/0x60 [ 287.471880] ? ___preempt_schedule+0x16/0x18 [ 287.476311] ? bpf_test_run+0x1c0/0x5a0 [ 287.480316] ? netlink_diag_dump+0x2a0/0x2a0 [ 287.484749] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 287.490307] ? bpf_test_init.isra.9+0x70/0x100 [ 287.494914] ? bpf_prog_test_run_skb+0x634/0xb40 [ 287.499691] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 287.504550] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 287.510120] ? fput+0x130/0x1a0 [ 287.513425] ? __bpf_prog_get+0x9b/0x290 [ 287.517512] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 287.522380] ? bpf_prog_test_run+0x130/0x1a0 [ 287.526816] ? __x64_sys_bpf+0x3d8/0x510 [ 287.530903] ? bpf_prog_get+0x20/0x20 [ 287.534746] ? do_syscall_64+0x1b9/0x820 [ 287.538833] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 287.544228] ? syscall_return_slowpath+0x5e0/0x5e0 [ 287.549189] ? trace_hardirqs_off+0x300/0x300 [ 287.553717] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 287.558760] ? recalc_sigpending_tsk+0x180/0x180 [ 287.563546] ? kasan_check_write+0x14/0x20 [ 287.567811] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 287.572690] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 287.578106] CPU: 1 PID: 5351 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51 [ 287.578177] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 287.585322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 287.585334] Call Trace: [ 287.591968] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 287.601213] [ 287.603794] syz-executor0 cpuset= [ 287.614292] dump_stack+0x1c4/0x2b4 [ 287.616437] syz0 [ 287.619908] ? dump_stack_print_info.cold.2+0x52/0x52 [ 287.623529] mems_allowed=0 [ 287.625519] warn_alloc.cold.118+0xb7/0x1bd [ 287.637955] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 287.642823] ? lock_downgrade+0x900/0x900 [ 287.647014] ? trace_hardirqs_off+0xb8/0x300 [ 287.651460] ? trace_hardirqs_off+0xb8/0x300 [ 287.655904] __alloc_pages_slowpath+0x2667/0x2d80 [ 287.660809] ? warn_alloc+0x120/0x120 [ 287.664652] ? warn_alloc+0x120/0x120 [ 287.668481] ? print_usage_bug+0xc0/0xc0 [ 287.672581] ? warn_alloc+0x120/0x120 [ 287.676412] ? print_usage_bug+0xc0/0xc0 [ 287.680508] ? __lock_acquire+0x7ec/0x4ec0 [ 287.684762] ? __lock_acquire+0x7ec/0x4ec0 [ 287.689023] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 287.694586] ? should_fail+0x22d/0xd01 [ 287.698514] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 287.703652] ? __lock_acquire+0x7ec/0x4ec0 [ 287.707921] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 287.713050] ? __lock_acquire+0x7ec/0x4ec0 [ 287.717322] ? should_fail+0x22d/0xd01 [ 287.721244] ? mark_held_locks+0x130/0x130 [ 287.725500] ? mark_held_locks+0x130/0x130 [ 287.729753] ? graph_lock+0x170/0x170 [ 287.733563] ? graph_lock+0x170/0x170 [ 287.737378] ? graph_lock+0x170/0x170 [ 287.741194] ? print_usage_bug+0xc0/0xc0 [ 287.745266] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.750822] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.756388] ? check_preemption_disabled+0x48/0x200 [ 287.761422] ? check_preemption_disabled+0x48/0x200 [ 287.766476] ? __lock_is_held+0xb5/0x140 [ 287.770554] __alloc_pages_nodemask+0xa80/0xde0 [ 287.775239] ? graph_lock+0x170/0x170 [ 287.779070] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 287.784113] ? graph_lock+0x170/0x170 [ 287.787941] ? find_held_lock+0x36/0x1c0 [ 287.792025] ? ____cache_alloc_node+0x1c7/0x1e0 [ 287.796714] ? lock_downgrade+0x900/0x900 [ 287.800893] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.806446] cache_grow_begin+0x91/0x8c0 [ 287.810524] ? do_raw_spin_unlock+0xa7/0x2f0 [ 287.814954] fallback_alloc+0x203/0x2e0 [ 287.818956] ____cache_alloc_node+0x1c7/0x1e0 [ 287.823470] kmem_cache_alloc_node+0xe3/0x730 [ 287.827980] ? ipv6_get_ifaddr+0x42e/0x620 [ 287.832241] __alloc_skb+0x119/0x770 [ 287.835967] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 287.841265] ? skb_scrub_packet+0x490/0x490 [ 287.845600] ? lock_downgrade+0x900/0x900 [ 287.849771] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.855329] ? refcount_sub_and_test_checked+0x203/0x310 [ 287.860806] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 287.866284] ? addrconf_rs_timer+0x6f0/0x6f0 [ 287.870721] ndisc_alloc_skb+0x144/0x340 [ 287.874816] ndisc_send_rs+0x331/0x6e0 [ 287.878725] addrconf_rs_timer+0x3c0/0x6f0 [ 287.882972] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.887230] call_timer_fn+0x272/0x920 [ 287.891122] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.895366] ? process_timeout+0x40/0x40 [ 287.899426] ? find_held_lock+0x36/0x1c0 [ 287.903503] ? __run_timers+0x7da/0xc70 [ 287.907488] ? _raw_spin_unlock_irq+0x27/0x80 [ 287.911990] ? _raw_spin_unlock_irq+0x27/0x80 [ 287.916490] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.920734] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 287.925324] ? trace_hardirqs_on+0xbd/0x310 [ 287.929651] ? kasan_check_read+0x11/0x20 [ 287.933806] ? __run_timers+0x7da/0xc70 [ 287.937786] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 287.943246] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.947489] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 287.951726] __run_timers+0x7e5/0xc70 [ 287.955563] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 287.960936] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 287.965956] ? graph_lock+0x170/0x170 [ 287.969760] ? enqueue_hrtimer+0x1a5/0x560 [ 287.973995] ? lock_release+0x970/0x970 [ 287.977971] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 287.983192] ? find_held_lock+0x36/0x1c0 [ 287.987269] ? pvclock_read_flags+0x160/0x160 [ 287.991767] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 287.997320] ? check_preemption_disabled+0x48/0x200 [ 288.002356] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 288.007900] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 288.013182] ? rcu_pm_notify+0xc0/0xc0 [ 288.017077] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.022629] ? check_preemption_disabled+0x48/0x200 [ 288.027656] run_timer_softirq+0x52/0xb0 [ 288.031719] ? rcu_read_lock_sched_held+0x108/0x120 [ 288.036740] __do_softirq+0x30b/0xad8 [ 288.040555] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 288.045685] ? pvclock_read_flags+0x160/0x160 [ 288.050185] ? lapic_next_event+0x5a/0x90 [ 288.054523] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.060067] ? check_preemption_disabled+0x48/0x200 [ 288.065108] ? check_preemption_disabled+0x48/0x200 [ 288.070143] ? kvm_clock_read+0x18/0x30 [ 288.074122] ? kvm_sched_clock_read+0x9/0x20 [ 288.078544] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.084102] ? check_preemption_disabled+0x48/0x200 [ 288.089142] irq_exit+0x17f/0x1c0 [ 288.092606] smp_apic_timer_interrupt+0x1cb/0x760 [ 288.097456] ? smp_reschedule_interrupt+0x109/0x650 [ 288.102486] ? smp_call_function_single_interrupt+0x650/0x650 [ 288.108380] ? interrupt_entry+0xb5/0xf0 [ 288.112449] ? trace_hardirqs_off_caller+0xbb/0x300 [ 288.117471] ? trace_hardirqs_off_caller+0xbb/0x300 [ 288.122502] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 288.127350] ? trace_hardirqs_off+0x300/0x300 [ 288.131853] ? trace_hardirqs_off+0x300/0x300 [ 288.136356] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.141906] ? check_preemption_disabled+0x48/0x200 [ 288.146933] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.152488] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 288.157351] apic_timer_interrupt+0xf/0x20 [ 288.161672] [ 288.163917] RIP: 0010:_raw_write_unlock_irq+0x56/0x80 [ 288.169118] Code: 52 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d ab aa 92 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 f0 ec 95 f9 65 8b 05 a9 6e 42 78 85 c0 74 05 5b [ 288.188035] RSP: 0018:ffff8801d8cf7350 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 288.195771] RAX: dffffc0000000000 RBX: ffffffff894090c0 RCX: 0000000000000000 [ 288.203061] RDX: 1ffffffff12a4537 RSI: 0000000000000001 RDI: ffffffff895229b8 [ 288.210380] RBP: ffff8801d8cf7358 R08: ffff8801c24ca580 R09: 0000000000000000 [ 288.217669] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d70737c0 [ 288.224958] R13: ffff8801d8cf7490 R14: 0000000000000000 R15: ffff8801c24cab00 [ 288.232281] do_exit+0x11ef/0x2610 [ 288.235832] ? mem_cgroup_commit_charge+0x275/0x9d0 [ 288.240878] ? mm_update_next_owner+0x990/0x990 [ 288.245559] ? print_usage_bug+0xc0/0xc0 [ 288.249624] ? graph_lock+0x170/0x170 [ 288.253443] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.259536] ? check_preemption_disabled+0x48/0x200 [ 288.264563] ? check_preemption_disabled+0x48/0x200 [ 288.269591] ? print_usage_bug+0xc0/0xc0 [ 288.273665] ? __lock_acquire+0x7ec/0x4ec0 [ 288.277914] ? __lock_acquire+0x7ec/0x4ec0 [ 288.282175] ? mark_held_locks+0x130/0x130 [ 288.286427] ? mark_held_locks+0x130/0x130 [ 288.290674] ? finish_task_switch+0x1b5/0x900 [ 288.295175] ? __switch_to_asm+0x34/0x70 [ 288.299268] ? __switch_to_asm+0x34/0x70 [ 288.303334] ? __switch_to_asm+0x34/0x70 [ 288.307399] ? __switch_to_asm+0x40/0x70 [ 288.311480] ? __switch_to_asm+0x34/0x70 [ 288.315541] ? __switch_to_asm+0x40/0x70 [ 288.319604] ? __switch_to_asm+0x34/0x70 [ 288.323671] ? __switch_to_asm+0x34/0x70 [ 288.327755] ? __switch_to_asm+0x34/0x70 [ 288.331823] ? __switch_to_asm+0x34/0x70 [ 288.335895] ? __switch_to_asm+0x40/0x70 [ 288.339958] ? __switch_to_asm+0x34/0x70 [ 288.344038] ? __switch_to_asm+0x40/0x70 [ 288.348124] ? graph_lock+0x170/0x170 [ 288.351933] ? graph_lock+0x170/0x170 [ 288.355743] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.361287] ? wait_consider_task+0x245/0x3bb0 [ 288.365881] ? memset+0x31/0x40 [ 288.369174] ? find_held_lock+0x36/0x1c0 [ 288.373250] ? get_signal+0x95b/0x1980 [ 288.377146] ? _raw_spin_unlock_irq+0x27/0x80 [ 288.381645] ? _raw_spin_unlock_irq+0x27/0x80 [ 288.386152] do_group_exit+0x177/0x440 [ 288.390052] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 288.395519] ? __ia32_sys_exit+0x50/0x50 [ 288.399603] get_signal+0x8b0/0x1980 [ 288.403337] ? ptrace_notify+0x130/0x130 [ 288.407405] ? do_wait+0x57d/0xb90 [ 288.410965] ? wait_consider_task+0x3bb0/0x3bb0 [ 288.415643] ? graph_lock+0x170/0x170 [ 288.419450] ? graph_lock+0x170/0x170 [ 288.423263] ? graph_lock+0x170/0x170 [ 288.427101] do_signal+0x9c/0x21e0 [ 288.430652] ? find_held_lock+0x36/0x1c0 [ 288.434738] ? setup_sigcontext+0x7d0/0x7d0 [ 288.439069] ? kernel_wait4+0x2e0/0x3f0 [ 288.443070] ? __ia32_sys_waitid+0x140/0x140 [ 288.447510] ? task_stopped_code+0x190/0x190 [ 288.451939] ? exit_to_usermode_loop+0x8c/0x380 [ 288.456633] ? __do_page_fault+0x4a6/0xed0 [ 288.460886] ? do_syscall_64+0x9a/0x820 [ 288.464877] ? do_syscall_64+0x9a/0x820 [ 288.468877] exit_to_usermode_loop+0x2e5/0x380 [ 288.473483] ? syscall_slow_exit_work+0x520/0x520 [ 288.478365] do_syscall_64+0x6be/0x820 [ 288.482271] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 288.487665] ? syscall_return_slowpath+0x5e0/0x5e0 [ 288.492617] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 288.497480] ? trace_hardirqs_off+0x300/0x300 [ 288.501992] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 288.507026] ? prepare_exit_to_usermode+0x291/0x3b0 [ 288.512062] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 288.516936] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 288.522135] RIP: 0033:0x410e7a [ 288.525337] Code: Bad RIP value. [ 288.528705] RSP: 002b:00007ffdfa797988 EFLAGS: 00000246 ORIG_RAX: 000000000000003d [ 288.536424] RAX: fffffffffffffe00 RBX: 00000000000014f2 RCX: 0000000000410e7a [ 288.543702] RDX: 0000000040000000 RSI: 00007ffdfa797994 RDI: ffffffffffffffff [ 288.550979] RBP: 0000000000930b28 R08: 00000000000014e7 R09: 00000000024eb940 [ 288.558254] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010 [ 288.565526] R13: 0000000000412a80 R14: 0000000000000000 R15: 0000000000000000 [ 288.572826] warn_alloc_show_mem: 1 callbacks suppressed [ 288.572839] CPU: 0 PID: 9562 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51 [ 288.572847] Mem-Info: [ 288.572877] active_anon:43308 inactive_anon:372 isolated_anon:0 [ 288.572877] active_file:9 inactive_file:26 isolated_file:0 [ 288.572877] unevictable:0 dirty:0 writeback:0 unstable:0 [ 288.572877] slab_reclaimable:8855 slab_unreclaimable:1462387 [ 288.572877] mapped:57522 shmem:379 pagetables:727 bounce:0 [ 288.572877] free:13711 free_pcp:202 free_cma:0 [ 288.578235] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 288.585426] Node 0 active_anon:173232kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 288.587825] Call Trace: [ 288.620710] Node 0 [ 288.630074] [ 288.658058] 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 [ 288.660626] dump_stack+0x1c4/0x2b4 [ 288.662833] lowmem_reserve[]: [ 288.664979] ? dump_stack_print_info.cold.2+0x52/0x52 [ 288.690474] 0 2817 [ 288.694146] warn_alloc.cold.118+0xb7/0x1bd [ 288.697214] 6321 [ 288.702403] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 288.704615] 6321 [ 288.708934] ? lock_downgrade+0x900/0x900 [ 288.715816] ? trace_hardirqs_off+0xb8/0x300 [ 288.717858] Node 0 [ 288.722006] ? trace_hardirqs_off+0xb8/0x300 [ 288.726419] DMA32 free:24940kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 288.728647] __alloc_pages_slowpath+0x2667/0x2d80 [ 288.733019] lowmem_reserve[]: 0 [ 288.760045] ? warn_alloc+0x120/0x120 [ 288.764840] 0 3503 [ 288.768155] ? trace_hardirqs_on+0x310/0x310 [ 288.771916] 3503 [ 288.774157] ? warn_alloc+0x120/0x120 [ 288.778547] Node 0 [ 288.780616] ? print_usage_bug+0xc0/0xc0 [ 288.784419] Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:169136kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5568kB pagetables:2908kB bounce:0kB free_pcp:808kB local_pcp:692kB free_cma:0kB [ 288.786636] ? warn_alloc+0x120/0x120 [ 288.790665] lowmem_reserve[]: 0 [ 288.819146] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 288.822923] 0 0 [ 288.826215] ? print_usage_bug+0xc0/0xc0 [ 288.831208] 0 [ 288.833192] ? __lock_acquire+0x7ec/0x4ec0 [ 288.837247] Node 0 [ 288.839054] ? __lock_acquire+0x7ec/0x4ec0 [ 288.843262] DMA: [ 288.845499] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 288.849706] 1*4kB [ 288.851770] ? should_fail+0x22d/0xd01 [ 288.857278] (U) 0*8kB [ 288.859442] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 288.863300] 0*16kB [ 288.865802] ? __lock_acquire+0x7ec/0x4ec0 [ 288.870880] 1*32kB [ 288.873126] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 288.877329] (U) [ 288.879565] ? __lock_acquire+0x7ec/0x4ec0 [ 288.884636] 2*64kB (U) [ 288.886618] ? should_fail+0x22d/0xd01 [ 288.890850] 1*128kB [ 288.893430] ? print_usage_bug+0xc0/0xc0 [ 288.897292] (U) [ 288.899619] ? mark_held_locks+0x130/0x130 [ 288.903646] 1*256kB [ 288.905638] ? mark_held_locks+0x130/0x130 [ 288.909832] (U) [ 288.912175] ? graph_lock+0x170/0x170 [ 288.916379] 0*512kB [ 288.918362] ? print_usage_bug+0xc0/0xc0 [ 288.922128] 1*1024kB (U) [ 288.924463] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 288.928493] 1*2048kB (M) [ 288.931266] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 288.936000] 3*4096kB [ 288.938763] ? check_preemption_disabled+0x48/0x200 [ 288.944287] (M) [ 288.946703] ? check_preemption_disabled+0x48/0x200 [ 288.951770] = 15908kB [ 288.951779] Node 0 [ 288.953766] ? __lock_is_held+0xb5/0x140 [ 288.958752] DMA32: [ 288.961174] __alloc_pages_nodemask+0xa80/0xde0 [ 288.963379] 3*4kB [ 288.967439] ? graph_lock+0x170/0x170 [ 288.969651] (UM) [ 288.974329] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 288.976453] 2*8kB [ 288.980243] ? graph_lock+0x170/0x170 [ 288.980269] ? find_held_lock+0x36/0x1c0 [ 288.982303] (U) [ 288.987321] ? ____cache_alloc_node+0x1c7/0x1e0 [ 288.989438] 5*16kB (UM) [ 288.993243] ? lock_downgrade+0x900/0x900 [ 288.997275] 2*32kB (UM) [ 288.999259] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.003894] 3*64kB (UM) [ 289.006576] cache_grow_begin+0x91/0x8c0 [ 289.010696] 4*128kB [ 289.013372] ? do_raw_spin_unlock+0xa7/0x2f0 [ 289.018883] (UM) [ 289.021567] fallback_alloc+0x203/0x2e0 [ 289.025596] 2*256kB [ 289.027920] ____cache_alloc_node+0x1c7/0x1e0 [ 289.032302] (M) [ 289.034374] kmem_cache_alloc_node+0xe3/0x730 [ 289.038324] 4*512kB [ 289.040653] ? ipv6_get_ifaddr+0x42e/0x620 [ 289.045120] (UM) [ 289.047110] __alloc_skb+0x119/0x770 [ 289.051614] 3*1024kB (M) [ 289.053950] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 289.058155] 1*2048kB (U) [ 289.060231] ? skb_scrub_packet+0x490/0x490 [ 289.063918] 4*4096kB [ 289.066674] ? lock_downgrade+0x900/0x900 [ 289.071928] (M) [ 289.074696] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.078980] = 24940kB [ 289.078988] Node 0 [ 289.081402] ? refcount_sub_and_test_checked+0x203/0x310 [ 289.085521] Normal: [ 289.087499] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 289.093012] 667*4kB [ 289.095427] ? addrconf_rs_timer+0x6f0/0x6f0 [ 289.097636] (UMEH) [ 289.103103] ndisc_alloc_skb+0x144/0x340 [ 289.105394] 358*8kB (UMEH) [ 289.110858] ndisc_send_rs+0x331/0x6e0 [ 289.113244] 191*16kB (UMEH) [ 289.117666] addrconf_rs_timer+0x3c0/0x6f0 [ 289.119876] 81*32kB [ 289.123942] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 289.127376] (UMEH) 30*64kB [ 289.131290] call_timer_fn+0x272/0x920 [ 289.134276] (UMH) [ 289.138511] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 289.140808] 1*128kB [ 289.145042] ? process_timeout+0x40/0x40 [ 289.147946] (M) [ 289.151829] ? find_held_lock+0x36/0x1c0 [ 289.153960] 3*256kB [ 289.158196] ? __run_timers+0x7da/0xc70 [ 289.160486] (UH) [ 289.164551] ? _raw_spin_unlock_irq+0x27/0x80 [ 289.166507] 0*512kB [ 289.170569] ? _raw_spin_unlock_irq+0x27/0x80 [ 289.172874] 0*1024kB [ 289.176851] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 289.178895] 0*2048kB [ 289.183390] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 289.185690] 0*4096kB [ 289.190184] ? trace_hardirqs_on+0xbd/0x310 [ 289.192574] = 13996kB [ 289.196811] ? kasan_check_read+0x11/0x20 [ 289.199206] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 289.203778] ? __run_timers+0x7da/0xc70 [ 289.206167] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 289.210481] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 289.212869] 414 total pagecache pages [ 289.217013] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 289.225832] 0 pages in swap cache [ 289.229818] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 289.238366] Swap cache stats: add 0, delete 0, find 0/0 [ 289.238376] Free swap = 0kB [ 289.243837] __run_timers+0x7e5/0xc70 [ 289.247615] Total swap = 0kB [ 289.251856] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 289.255279] 1965979 pages RAM [ 289.259516] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 289.264853] 0 pages HighMem/MovableOnly [ 289.264862] 342744 pages reserved [ 289.267887] ? graph_lock+0x170/0x170 [ 289.271663] 0 pages cma reserved [ 289.274682] ? enqueue_hrtimer+0x1a5/0x560 [ 289.280093] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 289.283116] ? lock_release+0x970/0x970 [ 289.283132] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 289.288226] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 289.292106] ? find_held_lock+0x36/0x1c0 [ 289.295534] syz-executor1 cpuset= [ 289.299326] ? graph_lock+0x170/0x170 [ 289.302667] / [ 289.306894] ? pvclock_read_flags+0x160/0x160 [ 289.313364] mems_allowed=0 [ 289.317358] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.359046] ? check_preemption_disabled+0x48/0x200 [ 289.364091] ? __lock_is_held+0xb5/0x140 [ 289.368159] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.373697] ? check_preemption_disabled+0x48/0x200 [ 289.378723] run_timer_softirq+0x52/0xb0 [ 289.382786] ? rcu_read_lock_sched_held+0x108/0x120 [ 289.387807] __do_softirq+0x30b/0xad8 [ 289.391625] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 289.396734] ? pvclock_read_flags+0x160/0x160 [ 289.401232] ? lapic_next_event+0x5a/0x90 [ 289.405383] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.410927] ? check_preemption_disabled+0x48/0x200 [ 289.415943] ? check_preemption_disabled+0x48/0x200 [ 289.420968] ? kvm_clock_read+0x18/0x30 [ 289.424943] ? kvm_sched_clock_read+0x9/0x20 [ 289.429363] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.434906] ? check_preemption_disabled+0x48/0x200 [ 289.439941] irq_exit+0x17f/0x1c0 [ 289.443399] smp_apic_timer_interrupt+0x1cb/0x760 [ 289.448242] ? smp_reschedule_interrupt+0x109/0x650 [ 289.453266] ? smp_call_function_single_interrupt+0x650/0x650 [ 289.459154] ? interrupt_entry+0xb5/0xf0 [ 289.463222] ? trace_hardirqs_off_caller+0xbb/0x300 [ 289.468238] ? trace_hardirqs_off_caller+0xbb/0x300 [ 289.473260] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 289.478116] ? trace_hardirqs_off+0x300/0x300 [ 289.482613] ? trace_hardirqs_off+0x300/0x300 [ 289.487123] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 289.492689] ? check_preemption_disabled+0x48/0x200 [ 289.497711] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 289.503257] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 289.508120] apic_timer_interrupt+0xf/0x20 [ 289.512361] [ 289.514606] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 289.519544] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 289.538456] RSP: 0000:ffff88019f217748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 289.546175] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 289.553445] RDX: 0000000000000000 RSI: ffff88019f972d00 RDI: 0000000000000282 [ 289.560711] RBP: ffff88019f2177b0 R08: ffff88019f972480 R09: 0000000000000000 [ 289.567977] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 289.575247] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 289.582564] skb_clone+0x1bb/0x500 [ 289.586116] ? finish_task_switch+0x2f5/0x900 [ 289.590614] ? skb_split+0x11e0/0x11e0 [ 289.594509] ? preempt_notifier_register+0x200/0x200 [ 289.599615] ? __switch_to_asm+0x34/0x70 [ 289.603675] ? __switch_to_asm+0x34/0x70 [ 289.607734] ? __switch_to_asm+0x40/0x70 [ 289.611795] ? __switch_to_asm+0x34/0x70 [ 289.615853] ? __switch_to_asm+0x40/0x70 [ 289.619915] ? __switch_to_asm+0x34/0x70 [ 289.623973] ? __switch_to_asm+0x40/0x70 [ 289.628035] ? __switch_to_asm+0x34/0x70 [ 289.632109] ? __switch_to_asm+0x34/0x70 [ 289.636170] ? __switch_to_asm+0x40/0x70 [ 289.640231] ? __switch_to_asm+0x34/0x70 [ 289.644330] bpf_clone_redirect+0xb9/0x490 [ 289.648664] ? __schedule+0x874/0x1ed0 [ 289.652561] bpf_prog_a2323609a0d1adb1+0x624/0x1000 [ 289.657588] ? __sched_text_start+0x8/0x8 [ 289.661743] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 289.666518] ? find_held_lock+0x36/0x1c0 [ 289.670586] ? lock_acquire+0x1ed/0x520 [ 289.674580] ? bpf_test_run+0x32e/0x5a0 [ 289.678556] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.684105] ? check_preemption_disabled+0x48/0x200 [ 289.689131] ? kasan_check_read+0x11/0x20 [ 289.693285] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 289.698567] ? rcu_bh_qs+0xc0/0xc0 [ 289.702118] ? preempt_schedule+0x4d/0x60 [ 289.706268] ? ___preempt_schedule+0x16/0x18 [ 289.710686] ? bpf_test_run+0x1c0/0x5a0 [ 289.714679] ? netlink_diag_dump+0x2a0/0x2a0 [ 289.719107] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 289.724659] ? bpf_test_init.isra.9+0x70/0x100 [ 289.729257] ? bpf_prog_test_run_skb+0x634/0xb40 [ 289.734041] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 289.738902] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 289.744449] ? fput+0x130/0x1a0 [ 289.747736] ? __bpf_prog_get+0x9b/0x290 [ 289.751914] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 289.756761] ? bpf_prog_test_run+0x130/0x1a0 [ 289.761187] ? __x64_sys_bpf+0x3d8/0x510 [ 289.765258] ? bpf_prog_get+0x20/0x20 [ 289.769092] ? do_syscall_64+0x1b9/0x820 [ 289.773162] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 289.778534] ? syscall_return_slowpath+0x5e0/0x5e0 [ 289.783471] ? trace_hardirqs_off+0x300/0x300 [ 289.787972] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 289.792988] ? recalc_sigpending_tsk+0x180/0x180 [ 289.797752] ? kasan_check_write+0x14/0x20 [ 289.801999] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 289.806859] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 289.812250] CPU: 1 PID: 5351 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51 [ 289.812322] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 289.819466] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 289.819471] Call Trace: [ 289.819478] [ 289.819499] dump_stack+0x1c4/0x2b4 [ 289.819515] ? dump_stack_print_info.cold.2+0x52/0x52 [ 289.819541] warn_alloc.cold.118+0xb7/0x1bd [ 289.826095] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 289.835392] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 289.837953] syz-executor0 cpuset= [ 289.840108] ? lock_downgrade+0x900/0x900 [ 289.843709] syz0 [ 289.848928] ? trace_hardirqs_off+0xb8/0x300 [ 289.853231] mems_allowed=0 [ 289.863725] ? trace_hardirqs_off+0xb8/0x300 [ 289.889817] __alloc_pages_slowpath+0x2667/0x2d80 [ 289.894709] ? warn_alloc+0x120/0x120 [ 289.898522] ? trace_hardirqs_on+0x310/0x310 [ 289.902940] ? warn_alloc+0x120/0x120 [ 289.906748] ? print_usage_bug+0xc0/0xc0 [ 289.910815] ? warn_alloc+0x120/0x120 [ 289.914624] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 289.919649] ? print_usage_bug+0xc0/0xc0 [ 289.923717] ? __lock_acquire+0x7ec/0x4ec0 [ 289.927951] ? __lock_acquire+0x7ec/0x4ec0 [ 289.932193] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 289.937734] ? should_fail+0x22d/0xd01 [ 289.941631] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 289.946738] ? __lock_acquire+0x7ec/0x4ec0 [ 289.950987] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 289.956106] ? __lock_acquire+0x7ec/0x4ec0 [ 289.960347] ? should_fail+0x22d/0xd01 [ 289.964269] ? print_usage_bug+0xc0/0xc0 [ 289.968353] ? mark_held_locks+0x130/0x130 [ 289.972599] ? mark_held_locks+0x130/0x130 [ 289.976855] ? graph_lock+0x170/0x170 [ 289.980657] ? print_usage_bug+0xc0/0xc0 [ 289.984727] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 289.989498] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 289.995054] ? check_preemption_disabled+0x48/0x200 [ 290.000111] ? check_preemption_disabled+0x48/0x200 [ 290.005155] ? __lock_is_held+0xb5/0x140 [ 290.009234] __alloc_pages_nodemask+0xa80/0xde0 [ 290.013914] ? graph_lock+0x170/0x170 [ 290.017729] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 290.022746] ? graph_lock+0x170/0x170 [ 290.026573] ? find_held_lock+0x36/0x1c0 [ 290.030655] ? ____cache_alloc_node+0x1c7/0x1e0 [ 290.035344] ? lock_downgrade+0x900/0x900 [ 290.039527] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.045108] cache_grow_begin+0x91/0x8c0 [ 290.049193] ? do_raw_spin_unlock+0xa7/0x2f0 [ 290.053631] fallback_alloc+0x203/0x2e0 [ 290.057631] ____cache_alloc_node+0x1c7/0x1e0 [ 290.062154] kmem_cache_alloc_node+0xe3/0x730 [ 290.066670] ? ipv6_get_ifaddr+0x42e/0x620 [ 290.070943] __alloc_skb+0x119/0x770 [ 290.074681] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 290.079985] ? skb_scrub_packet+0x490/0x490 [ 290.084322] ? lock_downgrade+0x900/0x900 [ 290.088491] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.094037] ? refcount_sub_and_test_checked+0x203/0x310 [ 290.099496] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 290.104953] ? addrconf_rs_timer+0x6f0/0x6f0 [ 290.109382] ndisc_alloc_skb+0x144/0x340 [ 290.113457] ndisc_send_rs+0x331/0x6e0 [ 290.117353] addrconf_rs_timer+0x3c0/0x6f0 [ 290.121597] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.125856] call_timer_fn+0x272/0x920 [ 290.129747] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.133991] ? process_timeout+0x40/0x40 [ 290.138055] ? find_held_lock+0x36/0x1c0 [ 290.142141] ? __run_timers+0x7da/0xc70 [ 290.146126] ? _raw_spin_unlock_irq+0x27/0x80 [ 290.150624] ? _raw_spin_unlock_irq+0x27/0x80 [ 290.155121] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.159362] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 290.163953] ? trace_hardirqs_on+0xbd/0x310 [ 290.168282] ? kasan_check_read+0x11/0x20 [ 290.172442] ? __run_timers+0x7da/0xc70 [ 290.176423] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 290.181914] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.186158] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 290.190401] __run_timers+0x7e5/0xc70 [ 290.194222] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 290.199589] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 290.204609] ? graph_lock+0x170/0x170 [ 290.208422] ? enqueue_hrtimer+0x1a5/0x560 [ 290.212664] ? lock_release+0x970/0x970 [ 290.216653] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 290.221879] ? find_held_lock+0x36/0x1c0 [ 290.225974] ? pvclock_read_flags+0x160/0x160 [ 290.230502] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.236070] ? check_preemption_disabled+0x48/0x200 [ 290.241138] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 290.246696] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 290.251992] ? rcu_pm_notify+0xc0/0xc0 [ 290.255901] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.261971] ? check_preemption_disabled+0x48/0x200 [ 290.267015] run_timer_softirq+0x52/0xb0 [ 290.271098] ? rcu_read_lock_sched_held+0x108/0x120 [ 290.276133] __do_softirq+0x30b/0xad8 [ 290.279962] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 290.285079] ? pvclock_read_flags+0x160/0x160 [ 290.289591] ? lapic_next_event+0x5a/0x90 [ 290.293758] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.299311] ? check_preemption_disabled+0x48/0x200 [ 290.304334] ? check_preemption_disabled+0x48/0x200 [ 290.309369] ? kvm_clock_read+0x18/0x30 [ 290.313349] ? kvm_sched_clock_read+0x9/0x20 [ 290.317766] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.323317] ? check_preemption_disabled+0x48/0x200 [ 290.328353] irq_exit+0x17f/0x1c0 [ 290.331816] smp_apic_timer_interrupt+0x1cb/0x760 [ 290.336673] ? smp_reschedule_interrupt+0x109/0x650 [ 290.341704] ? smp_call_function_single_interrupt+0x650/0x650 [ 290.347601] ? interrupt_entry+0xb5/0xf0 [ 290.351673] ? trace_hardirqs_off_caller+0xbb/0x300 [ 290.356693] ? trace_hardirqs_off_caller+0xbb/0x300 [ 290.361715] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 290.366563] ? trace_hardirqs_off+0x300/0x300 [ 290.371063] ? trace_hardirqs_off+0x300/0x300 [ 290.375577] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.381124] ? check_preemption_disabled+0x48/0x200 [ 290.386184] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.391744] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 290.396608] apic_timer_interrupt+0xf/0x20 [ 290.400839] [ 290.403098] RIP: 0010:_raw_write_unlock_irq+0x56/0x80 [ 290.408299] Code: 52 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d ab aa 92 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 f0 ec 95 f9 65 8b 05 a9 6e 42 78 85 c0 74 05 5b [ 290.427232] RSP: 0018:ffff8801d8cf7350 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 290.434977] RAX: dffffc0000000000 RBX: ffffffff894090c0 RCX: 0000000000000000 [ 290.442270] RDX: 1ffffffff12a4537 RSI: 0000000000000001 RDI: ffffffff895229b8 [ 290.449554] RBP: ffff8801d8cf7358 R08: ffff8801c24ca580 R09: 0000000000000000 [ 290.456831] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d70737c0 [ 290.464119] R13: ffff8801d8cf7490 R14: 0000000000000000 R15: ffff8801c24cab00 [ 290.471436] do_exit+0x11ef/0x2610 [ 290.474990] ? mem_cgroup_commit_charge+0x275/0x9d0 [ 290.480027] ? mm_update_next_owner+0x990/0x990 [ 290.484704] ? print_usage_bug+0xc0/0xc0 [ 290.488769] ? graph_lock+0x170/0x170 [ 290.492581] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.498127] ? check_preemption_disabled+0x48/0x200 [ 290.503171] ? check_preemption_disabled+0x48/0x200 [ 290.508193] ? print_usage_bug+0xc0/0xc0 [ 290.512260] ? __lock_acquire+0x7ec/0x4ec0 [ 290.516504] ? __lock_acquire+0x7ec/0x4ec0 [ 290.520764] ? mark_held_locks+0x130/0x130 [ 290.525015] ? mark_held_locks+0x130/0x130 [ 290.529254] ? finish_task_switch+0x1b5/0x900 [ 290.533750] ? __switch_to_asm+0x34/0x70 [ 290.537817] ? __switch_to_asm+0x34/0x70 [ 290.541890] ? __switch_to_asm+0x34/0x70 [ 290.545960] ? __switch_to_asm+0x40/0x70 [ 290.550026] ? __switch_to_asm+0x34/0x70 [ 290.554096] ? __switch_to_asm+0x40/0x70 [ 290.558163] ? __switch_to_asm+0x34/0x70 [ 290.562237] ? __switch_to_asm+0x34/0x70 [ 290.566332] ? __switch_to_asm+0x34/0x70 [ 290.570408] ? __switch_to_asm+0x34/0x70 [ 290.574482] ? __switch_to_asm+0x40/0x70 [ 290.578555] ? __switch_to_asm+0x34/0x70 [ 290.582628] ? __switch_to_asm+0x40/0x70 [ 290.586713] ? graph_lock+0x170/0x170 [ 290.590541] ? graph_lock+0x170/0x170 [ 290.594366] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 290.599932] ? wait_consider_task+0x245/0x3bb0 [ 290.604535] ? memset+0x31/0x40 [ 290.607831] ? find_held_lock+0x36/0x1c0 [ 290.611935] ? get_signal+0x95b/0x1980 [ 290.615837] ? _raw_spin_unlock_irq+0x27/0x80 [ 290.620347] ? _raw_spin_unlock_irq+0x27/0x80 [ 290.624865] do_group_exit+0x177/0x440 [ 290.628766] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 290.634232] ? __ia32_sys_exit+0x50/0x50 [ 290.638315] get_signal+0x8b0/0x1980 [ 290.642051] ? ptrace_notify+0x130/0x130 [ 290.646122] ? do_wait+0x57d/0xb90 [ 290.649672] ? wait_consider_task+0x3bb0/0x3bb0 [ 290.654344] ? graph_lock+0x170/0x170 [ 290.658155] ? graph_lock+0x170/0x170 [ 290.661966] ? graph_lock+0x170/0x170 [ 290.665793] do_signal+0x9c/0x21e0 [ 290.669355] ? find_held_lock+0x36/0x1c0 [ 290.673442] ? setup_sigcontext+0x7d0/0x7d0 [ 290.677782] ? kernel_wait4+0x2e0/0x3f0 [ 290.681773] ? __ia32_sys_waitid+0x140/0x140 [ 290.686205] ? task_stopped_code+0x190/0x190 [ 290.690629] ? exit_to_usermode_loop+0x8c/0x380 [ 290.695321] ? __do_page_fault+0x4a6/0xed0 [ 290.699572] ? do_syscall_64+0x9a/0x820 [ 290.703553] ? do_syscall_64+0x9a/0x820 [ 290.707540] exit_to_usermode_loop+0x2e5/0x380 [ 290.712138] ? syscall_slow_exit_work+0x520/0x520 [ 290.717007] do_syscall_64+0x6be/0x820 [ 290.720908] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 290.726296] ? syscall_return_slowpath+0x5e0/0x5e0 [ 290.731238] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 290.736103] ? trace_hardirqs_off+0x300/0x300 [ 290.740610] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 290.745642] ? prepare_exit_to_usermode+0x291/0x3b0 [ 290.750675] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 290.755537] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 290.760730] RIP: 0033:0x410e7a [ 290.763929] Code: Bad RIP value. [ 290.767293] RSP: 002b:00007ffdfa797988 EFLAGS: 00000246 ORIG_RAX: 000000000000003d [ 290.775016] RAX: fffffffffffffe00 RBX: 00000000000014f2 RCX: 0000000000410e7a [ 290.782301] RDX: 0000000040000000 RSI: 00007ffdfa797994 RDI: ffffffffffffffff [ 290.789586] RBP: 0000000000930b28 R08: 00000000000014e7 R09: 00000000024eb940 [ 290.796868] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010 [ 290.804150] R13: 0000000000412a80 R14: 0000000000000000 R15: 0000000000000000 [ 290.811452] warn_alloc_show_mem: 1 callbacks suppressed [ 290.811464] CPU: 0 PID: 9562 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51 [ 290.811466] Mem-Info: [ 290.811496] active_anon:43308 inactive_anon:372 isolated_anon:0 [ 290.811496] active_file:9 inactive_file:26 isolated_file:0 [ 290.811496] unevictable:0 dirty:0 writeback:0 unstable:0 [ 290.811496] slab_reclaimable:8855 slab_unreclaimable:1462387 [ 290.811496] mapped:57522 shmem:379 pagetables:727 bounce:0 [ 290.811496] free:13711 free_pcp:202 free_cma:0 [ 290.816844] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 290.816856] Call Trace: [ 290.824058] Node 0 active_anon:173232kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 290.826460] [ 290.859270] Node 0 [ 290.868641] dump_stack+0x1c4/0x2b4 [ 290.871229] 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 [ 290.898976] ? dump_stack_print_info.cold.2+0x52/0x52 [ 290.901108] lowmem_reserve[]: 0 [ 290.903365] warn_alloc.cold.118+0xb7/0x1bd [ 290.906958] 2817 [ 290.932493] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 290.937659] 6321 [ 290.940935] ? lock_downgrade+0x900/0x900 [ 290.945234] 6321 [ 290.947299] ? trace_hardirqs_off+0xb8/0x300 [ 290.954183] ? trace_hardirqs_off+0xb8/0x300 [ 290.958311] Node 0 [ 290.960390] __alloc_pages_slowpath+0x2667/0x2d80 [ 290.964786] DMA32 free:24940kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 290.969197] ? warn_alloc+0x120/0x120 [ 290.971375] lowmem_reserve[]: 0 [ 290.976225] ? warn_alloc+0x120/0x120 [ 291.003038] 0 [ 291.006856] ? print_usage_bug+0xc0/0xc0 [ 291.010111] 3503 3503 [ 291.013928] ? warn_alloc+0x120/0x120 [ 291.019770] ? print_usage_bug+0xc0/0xc0 [ 291.022244] Node 0 [ 291.026041] ? __lock_acquire+0x7ec/0x4ec0 [ 291.030116] Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:169136kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5568kB pagetables:2908kB bounce:0kB free_pcp:808kB local_pcp:692kB free_cma:0kB [ 291.032321] ? __lock_acquire+0x7ec/0x4ec0 [ 291.036524] lowmem_reserve[]: 0 [ 291.065009] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 291.069218] 0 0 [ 291.072512] ? should_fail+0x22d/0xd01 [ 291.078047] 0 [ 291.080026] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 291.085681] ? __lock_acquire+0x7ec/0x4ec0 [ 291.090758] Node 0 DMA: [ 291.095013] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 291.095029] ? __lock_acquire+0x7ec/0x4ec0 [ 291.097680] 1*4kB [ 291.102785] ? should_fail+0x22d/0xd01 [ 291.106992] (U) [ 291.109147] ? mark_held_locks+0x130/0x130 [ 291.112997] 0*8kB 0*16kB [ 291.114976] ? mark_held_locks+0x130/0x130 [ 291.119184] 1*32kB [ 291.121932] ? graph_lock+0x170/0x170 [ 291.126566] (U) 2*64kB [ 291.128814] ? graph_lock+0x170/0x170 [ 291.132592] (U) [ 291.135176] ? graph_lock+0x170/0x170 [ 291.138955] 1*128kB [ 291.140922] ? print_usage_bug+0xc0/0xc0 [ 291.144698] (U) [ 291.147019] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.151046] 1*256kB (U) [ 291.153029] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.158539] 0*512kB [ 291.161208] ? check_preemption_disabled+0x48/0x200 [ 291.166727] 1*1024kB (U) [ 291.169056] ? check_preemption_disabled+0x48/0x200 [ 291.174040] 1*2048kB (M) [ 291.176809] ? __lock_is_held+0xb5/0x140 [ 291.181785] 3*4096kB (M) [ 291.184550] __alloc_pages_nodemask+0xa80/0xde0 [ 291.188588] = 15908kB [ 291.191338] ? graph_lock+0x170/0x170 [ 291.195982] Node 0 [ 291.198387] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 291.202159] DMA32: [ 291.204387] ? graph_lock+0x170/0x170 [ 291.209379] 3*4kB [ 291.211622] ? find_held_lock+0x36/0x1c0 [ 291.215389] (UM) [ 291.217539] ? ____cache_alloc_node+0x1c7/0x1e0 [ 291.221566] 2*8kB [ 291.223625] ? lock_downgrade+0x900/0x900 [ 291.228268] (U) [ 291.230419] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.234532] 5*16kB (UM) [ 291.236517] cache_grow_begin+0x91/0x8c0 [ 291.242026] 2*32kB (UM) [ 291.244716] ? do_raw_spin_unlock+0xa7/0x2f0 [ 291.248745] 3*64kB (UM) [ 291.251433] fallback_alloc+0x203/0x2e0 [ 291.255813] 4*128kB [ 291.258483] ____cache_alloc_node+0x1c7/0x1e0 [ 291.262425] (UM) [ 291.264746] kmem_cache_alloc_node+0xe3/0x730 [ 291.269217] 2*256kB [ 291.271280] ? ipv6_get_ifaddr+0x42e/0x620 [ 291.275747] (M) [ 291.278071] __alloc_skb+0x119/0x770 [ 291.282271] 4*512kB (UM) [ 291.284257] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 291.287936] 3*1024kB (M) [ 291.290701] ? skb_scrub_packet+0x490/0x490 [ 291.295951] 1*2048kB [ 291.298704] ? lock_downgrade+0x900/0x900 [ 291.302995] (U) [ 291.305404] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.309519] 4*4096kB (M) [ 291.311502] ? refcount_sub_and_test_checked+0x203/0x310 [ 291.317014] = 24940kB [ 291.319767] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 291.325189] Node 0 [ 291.327624] ? addrconf_rs_timer+0x6f0/0x6f0 [ 291.333045] Normal: [ 291.335286] ndisc_alloc_skb+0x144/0x340 [ 291.339662] 667*4kB [ 291.341985] ndisc_send_rs+0x331/0x6e0 [ 291.346019] (UMEH) [ 291.348350] addrconf_rs_timer+0x3c0/0x6f0 [ 291.352196] 358*8kB (UMEH) [ 291.354436] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 291.358635] 191*16kB (UMEH) [ 291.361580] call_timer_fn+0x272/0x920 [ 291.365773] 81*32kB (UMEH) [ 291.368831] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 291.372688] 30*64kB (UMH) [ 291.375642] ? process_timeout+0x40/0x40 [ 291.379851] 1*128kB [ 291.382686] ? find_held_lock+0x36/0x1c0 [ 291.386725] (M) [ 291.389048] ? __run_timers+0x7da/0xc70 [ 291.393074] 3*256kB (UH) [ 291.395063] ? _raw_spin_unlock_irq+0x27/0x80 [ 291.399010] 0*512kB [ 291.401761] ? _raw_spin_unlock_irq+0x27/0x80 [ 291.406234] 0*1024kB [ 291.408550] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 291.413022] 0*2048kB [ 291.415426] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 291.419637] 0*4096kB [ 291.422044] ? trace_hardirqs_on+0xbd/0x310 [ 291.426598] = 13996kB [ 291.429001] ? kasan_check_read+0x11/0x20 [ 291.433302] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 291.435702] ? __run_timers+0x7da/0xc70 [ 291.439829] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 291.448654] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 291.452605] 414 total pagecache pages [ 291.461173] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 291.466626] 0 pages in swap cache [ 291.470425] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 291.474629] Swap cache stats: add 0, delete 0, find 0/0 [ 291.474638] Free swap = 0kB [ 291.478099] __run_timers+0x7e5/0xc70 [ 291.482308] Total swap = 0kB [ 291.487674] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 291.490659] 1965979 pages RAM [ 291.494454] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 291.497441] 0 pages HighMem/MovableOnly [ 291.497450] 342744 pages reserved [ 291.502805] ? graph_lock+0x170/0x170 [ 291.505886] 0 pages cma reserved [ 291.510895] ? enqueue_hrtimer+0x1a5/0x560 [ 291.514907] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 291.518285] ? lock_release+0x970/0x970 [ 291.518300] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 291.518319] ? find_held_lock+0x36/0x1c0 [ 291.518337] ? graph_lock+0x170/0x170 [ 291.522181] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 291.525477] ? pvclock_read_flags+0x160/0x160 [ 291.529687] syz-executor1 cpuset= [ 291.536181] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.540130] / [ 291.545320] ? check_preemption_disabled+0x48/0x200 [ 291.549349] mems_allowed=0 [ 291.586716] ? __lock_is_held+0xb5/0x140 [ 291.590781] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.596325] ? check_preemption_disabled+0x48/0x200 [ 291.601363] run_timer_softirq+0x52/0xb0 [ 291.605427] ? rcu_read_lock_sched_held+0x108/0x120 [ 291.610445] __do_softirq+0x30b/0xad8 [ 291.614296] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 291.619413] ? pvclock_read_flags+0x160/0x160 [ 291.623912] ? lapic_next_event+0x5a/0x90 [ 291.628064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.633614] ? check_preemption_disabled+0x48/0x200 [ 291.638633] ? check_preemption_disabled+0x48/0x200 [ 291.643660] ? kvm_clock_read+0x18/0x30 [ 291.647638] ? kvm_sched_clock_read+0x9/0x20 [ 291.652060] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.657606] ? check_preemption_disabled+0x48/0x200 [ 291.662637] irq_exit+0x17f/0x1c0 [ 291.666108] smp_apic_timer_interrupt+0x1cb/0x760 [ 291.670954] ? smp_reschedule_interrupt+0x109/0x650 [ 291.675972] ? smp_call_function_single_interrupt+0x650/0x650 [ 291.681859] ? interrupt_entry+0xb5/0xf0 [ 291.685944] ? trace_hardirqs_off_caller+0xbb/0x300 [ 291.690960] ? trace_hardirqs_off_caller+0xbb/0x300 [ 291.695979] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 291.700837] ? trace_hardirqs_off+0x300/0x300 [ 291.705332] ? trace_hardirqs_off+0x300/0x300 [ 291.709832] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 291.715379] ? check_preemption_disabled+0x48/0x200 [ 291.720406] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 291.725957] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 291.730816] apic_timer_interrupt+0xf/0x20 [ 291.735041] [ 291.737284] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 291.742218] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 291.761142] RSP: 0000:ffff88019f217748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 291.768879] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 291.776162] RDX: 0000000000000000 RSI: ffff88019f972d00 RDI: 0000000000000282 [ 291.783437] RBP: ffff88019f2177b0 R08: ffff88019f972480 R09: 0000000000000000 [ 291.790707] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 291.797982] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 291.805310] skb_clone+0x1bb/0x500 [ 291.808862] ? finish_task_switch+0x2f5/0x900 [ 291.813368] ? skb_split+0x11e0/0x11e0 [ 291.817262] ? preempt_notifier_register+0x200/0x200 [ 291.822369] ? __switch_to_asm+0x34/0x70 [ 291.826430] ? __switch_to_asm+0x34/0x70 [ 291.830488] ? __switch_to_asm+0x40/0x70 [ 291.834547] ? __switch_to_asm+0x34/0x70 [ 291.838606] ? __switch_to_asm+0x40/0x70 [ 291.842691] ? __switch_to_asm+0x34/0x70 [ 291.846751] ? __switch_to_asm+0x40/0x70 [ 291.850811] ? __switch_to_asm+0x34/0x70 [ 291.854875] ? __switch_to_asm+0x34/0x70 [ 291.858942] ? __switch_to_asm+0x40/0x70 [ 291.863003] ? __switch_to_asm+0x34/0x70 [ 291.867090] bpf_clone_redirect+0xb9/0x490 [ 291.871329] ? __schedule+0x874/0x1ed0 [ 291.875230] bpf_prog_a2323609a0d1adb1+0x624/0x1000 [ 291.880254] ? __sched_text_start+0x8/0x8 [ 291.884405] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 291.889179] ? find_held_lock+0x36/0x1c0 [ 291.893253] ? lock_acquire+0x1ed/0x520 [ 291.897229] ? bpf_test_run+0x32e/0x5a0 [ 291.901210] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 291.906763] ? check_preemption_disabled+0x48/0x200 [ 291.911787] ? kasan_check_read+0x11/0x20 [ 291.915940] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 291.921223] ? rcu_bh_qs+0xc0/0xc0 [ 291.924768] ? preempt_schedule+0x4d/0x60 [ 291.928922] ? ___preempt_schedule+0x16/0x18 [ 291.933352] ? bpf_test_run+0x1c0/0x5a0 [ 291.937348] ? netlink_diag_dump+0x2a0/0x2a0 [ 291.941850] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 291.947389] ? bpf_test_init.isra.9+0x70/0x100 [ 291.951979] ? bpf_prog_test_run_skb+0x634/0xb40 [ 291.956742] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 291.961585] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 291.967121] ? fput+0x130/0x1a0 [ 291.970405] ? __bpf_prog_get+0x9b/0x290 [ 291.974471] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 291.979317] ? bpf_prog_test_run+0x130/0x1a0 [ 291.983738] ? __x64_sys_bpf+0x3d8/0x510 [ 291.987798] ? bpf_prog_get+0x20/0x20 [ 291.991621] ? do_syscall_64+0x1b9/0x820 [ 291.995686] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 292.001070] ? syscall_return_slowpath+0x5e0/0x5e0 [ 292.006014] ? trace_hardirqs_off+0x300/0x300 [ 292.010515] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 292.015533] ? recalc_sigpending_tsk+0x180/0x180 [ 292.020298] ? kasan_check_write+0x14/0x20 [ 292.024545] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 292.029417] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 292.034803] CPU: 1 PID: 5351 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51 [ 292.034875] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 292.042005] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 292.042011] Call Trace: [ 292.042017] [ 292.042034] dump_stack+0x1c4/0x2b4 [ 292.042052] ? dump_stack_print_info.cold.2+0x52/0x52 [ 292.048624] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 292.057909] warn_alloc.cold.118+0xb7/0x1bd [ 292.060465] syz-executor0 cpuset= [ 292.062609] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 292.066208] syz0 [ 292.071394] ? lock_downgrade+0x900/0x900 [ 292.081852] mems_allowed=0 [ 292.103461] ? trace_hardirqs_off+0xb8/0x300 [ 292.107881] ? trace_hardirqs_off+0xb8/0x300 [ 292.112304] __alloc_pages_slowpath+0x2667/0x2d80 [ 292.117183] ? warn_alloc+0x120/0x120 [ 292.120994] ? warn_alloc+0x120/0x120 [ 292.124801] ? print_usage_bug+0xc0/0xc0 [ 292.128870] ? warn_alloc+0x120/0x120 [ 292.132675] ? print_usage_bug+0xc0/0xc0 [ 292.136739] ? __lock_acquire+0x7ec/0x4ec0 [ 292.140972] ? __lock_acquire+0x7ec/0x4ec0 [ 292.145211] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 292.150750] ? should_fail+0x22d/0xd01 [ 292.154645] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 292.159755] ? __lock_acquire+0x7ec/0x4ec0 [ 292.164000] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 292.169109] ? __lock_acquire+0x7ec/0x4ec0 [ 292.173435] ? should_fail+0x22d/0xd01 [ 292.177338] ? mark_held_locks+0x130/0x130 [ 292.181577] ? mark_held_locks+0x130/0x130 [ 292.185815] ? graph_lock+0x170/0x170 [ 292.189621] ? graph_lock+0x170/0x170 [ 292.193432] ? graph_lock+0x170/0x170 [ 292.197246] ? print_usage_bug+0xc0/0xc0 [ 292.201309] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.206857] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.212403] ? check_preemption_disabled+0x48/0x200 [ 292.217432] ? check_preemption_disabled+0x48/0x200 [ 292.222467] ? __lock_is_held+0xb5/0x140 [ 292.226537] __alloc_pages_nodemask+0xa80/0xde0 [ 292.231210] ? graph_lock+0x170/0x170 [ 292.235017] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 292.240042] ? graph_lock+0x170/0x170 [ 292.243862] ? find_held_lock+0x36/0x1c0 [ 292.247937] ? ____cache_alloc_node+0x1c7/0x1e0 [ 292.252610] ? lock_downgrade+0x900/0x900 [ 292.257290] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.262861] cache_grow_begin+0x91/0x8c0 [ 292.266931] ? do_raw_spin_unlock+0xa7/0x2f0 [ 292.271351] fallback_alloc+0x203/0x2e0 [ 292.275342] ____cache_alloc_node+0x1c7/0x1e0 [ 292.279850] kmem_cache_alloc_node+0xe3/0x730 [ 292.284358] ? ipv6_get_ifaddr+0x42e/0x620 [ 292.288607] __alloc_skb+0x119/0x770 [ 292.292328] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 292.297610] ? skb_scrub_packet+0x490/0x490 [ 292.301934] ? lock_downgrade+0x900/0x900 [ 292.306105] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.311651] ? refcount_sub_and_test_checked+0x203/0x310 [ 292.317115] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 292.322570] ? addrconf_rs_timer+0x6f0/0x6f0 [ 292.326998] ndisc_alloc_skb+0x144/0x340 [ 292.331067] ndisc_send_rs+0x331/0x6e0 [ 292.334967] addrconf_rs_timer+0x3c0/0x6f0 [ 292.339227] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.343503] call_timer_fn+0x272/0x920 [ 292.347399] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.351639] ? process_timeout+0x40/0x40 [ 292.355705] ? find_held_lock+0x36/0x1c0 [ 292.359777] ? __run_timers+0x7da/0xc70 [ 292.363758] ? _raw_spin_unlock_irq+0x27/0x80 [ 292.368273] ? _raw_spin_unlock_irq+0x27/0x80 [ 292.372775] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.377013] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 292.381599] ? trace_hardirqs_on+0xbd/0x310 [ 292.385925] ? kasan_check_read+0x11/0x20 [ 292.390079] ? __run_timers+0x7da/0xc70 [ 292.394127] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 292.399587] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.403851] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 292.408095] __run_timers+0x7e5/0xc70 [ 292.411917] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 292.417290] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 292.422309] ? graph_lock+0x170/0x170 [ 292.426121] ? enqueue_hrtimer+0x1a5/0x560 [ 292.430358] ? lock_release+0x970/0x970 [ 292.434341] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 292.440250] ? find_held_lock+0x36/0x1c0 [ 292.444322] ? pvclock_read_flags+0x160/0x160 [ 292.448885] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.454457] ? check_preemption_disabled+0x48/0x200 [ 292.459487] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 292.465029] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 292.470312] ? rcu_pm_notify+0xc0/0xc0 [ 292.474212] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.479777] ? check_preemption_disabled+0x48/0x200 [ 292.484804] run_timer_softirq+0x52/0xb0 [ 292.488875] ? rcu_read_lock_sched_held+0x108/0x120 [ 292.493896] __do_softirq+0x30b/0xad8 [ 292.497712] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 292.502825] ? pvclock_read_flags+0x160/0x160 [ 292.507323] ? lapic_next_event+0x5a/0x90 [ 292.511476] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.517025] ? check_preemption_disabled+0x48/0x200 [ 292.522041] ? check_preemption_disabled+0x48/0x200 [ 292.527068] ? kvm_clock_read+0x18/0x30 [ 292.531055] ? kvm_sched_clock_read+0x9/0x20 [ 292.535479] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.541024] ? check_preemption_disabled+0x48/0x200 [ 292.546057] irq_exit+0x17f/0x1c0 [ 292.549524] smp_apic_timer_interrupt+0x1cb/0x760 [ 292.554375] ? smp_reschedule_interrupt+0x109/0x650 [ 292.559400] ? smp_call_function_single_interrupt+0x650/0x650 [ 292.565285] ? interrupt_entry+0xb5/0xf0 [ 292.569362] ? trace_hardirqs_off_caller+0xbb/0x300 [ 292.574382] ? trace_hardirqs_off_caller+0xbb/0x300 [ 292.579405] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 292.584248] ? trace_hardirqs_off+0x300/0x300 [ 292.588743] ? trace_hardirqs_off+0x300/0x300 [ 292.593249] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.598795] ? check_preemption_disabled+0x48/0x200 [ 292.603868] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.609426] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 292.614306] apic_timer_interrupt+0xf/0x20 [ 292.618536] [ 292.620778] RIP: 0010:_raw_write_unlock_irq+0x56/0x80 [ 292.625971] Code: 52 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d ab aa 92 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 f0 ec 95 f9 65 8b 05 a9 6e 42 78 85 c0 74 05 5b [ 292.644882] RSP: 0018:ffff8801d8cf7350 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 292.652604] RAX: dffffc0000000000 RBX: ffffffff894090c0 RCX: 0000000000000000 [ 292.659880] RDX: 1ffffffff12a4537 RSI: 0000000000000001 RDI: ffffffff895229b8 [ 292.667173] RBP: ffff8801d8cf7358 R08: ffff8801c24ca580 R09: 0000000000000000 [ 292.674445] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d70737c0 [ 292.681719] R13: ffff8801d8cf7490 R14: 0000000000000000 R15: ffff8801c24cab00 [ 292.689025] do_exit+0x11ef/0x2610 [ 292.692570] ? mem_cgroup_commit_charge+0x275/0x9d0 [ 292.697615] ? mm_update_next_owner+0x990/0x990 [ 292.702298] ? print_usage_bug+0xc0/0xc0 [ 292.706361] ? graph_lock+0x170/0x170 [ 292.710168] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.715709] ? check_preemption_disabled+0x48/0x200 [ 292.720726] ? check_preemption_disabled+0x48/0x200 [ 292.725748] ? print_usage_bug+0xc0/0xc0 [ 292.729816] ? __lock_acquire+0x7ec/0x4ec0 [ 292.734069] ? __lock_acquire+0x7ec/0x4ec0 [ 292.738366] ? mark_held_locks+0x130/0x130 [ 292.742617] ? mark_held_locks+0x130/0x130 [ 292.746861] ? finish_task_switch+0x1b5/0x900 [ 292.751358] ? __switch_to_asm+0x34/0x70 [ 292.755428] ? __switch_to_asm+0x34/0x70 [ 292.759501] ? __switch_to_asm+0x34/0x70 [ 292.763590] ? __switch_to_asm+0x40/0x70 [ 292.767652] ? __switch_to_asm+0x34/0x70 [ 292.771710] ? __switch_to_asm+0x40/0x70 [ 292.775772] ? __switch_to_asm+0x34/0x70 [ 292.779838] ? __switch_to_asm+0x34/0x70 [ 292.783905] ? __switch_to_asm+0x34/0x70 [ 292.787966] ? __switch_to_asm+0x34/0x70 [ 292.792025] ? __switch_to_asm+0x40/0x70 [ 292.796135] ? __switch_to_asm+0x34/0x70 [ 292.800242] ? __switch_to_asm+0x40/0x70 [ 292.804311] ? graph_lock+0x170/0x170 [ 292.808142] ? graph_lock+0x170/0x170 [ 292.811952] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 292.817495] ? wait_consider_task+0x245/0x3bb0 [ 292.822094] ? memset+0x31/0x40 [ 292.825389] ? find_held_lock+0x36/0x1c0 [ 292.829467] ? get_signal+0x95b/0x1980 [ 292.833362] ? _raw_spin_unlock_irq+0x27/0x80 [ 292.837878] ? _raw_spin_unlock_irq+0x27/0x80 [ 292.842405] do_group_exit+0x177/0x440 [ 292.846343] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 292.851807] ? __ia32_sys_exit+0x50/0x50 [ 292.855890] get_signal+0x8b0/0x1980 [ 292.859617] ? ptrace_notify+0x130/0x130 [ 292.863677] ? do_wait+0x57d/0xb90 [ 292.867231] ? wait_consider_task+0x3bb0/0x3bb0 [ 292.871905] ? graph_lock+0x170/0x170 [ 292.875711] ? graph_lock+0x170/0x170 [ 292.879513] ? graph_lock+0x170/0x170 [ 292.883340] do_signal+0x9c/0x21e0 [ 292.886886] ? find_held_lock+0x36/0x1c0 [ 292.890957] ? setup_sigcontext+0x7d0/0x7d0 [ 292.895297] ? kernel_wait4+0x2e0/0x3f0 [ 292.899291] ? __ia32_sys_waitid+0x140/0x140 [ 292.903712] ? task_stopped_code+0x190/0x190 [ 292.908130] ? exit_to_usermode_loop+0x8c/0x380 [ 292.912816] ? __do_page_fault+0x4a6/0xed0 [ 292.917058] ? do_syscall_64+0x9a/0x820 [ 292.921044] ? do_syscall_64+0x9a/0x820 [ 292.925033] exit_to_usermode_loop+0x2e5/0x380 [ 292.929625] ? syscall_slow_exit_work+0x520/0x520 [ 292.934482] do_syscall_64+0x6be/0x820 [ 292.938374] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 292.943744] ? syscall_return_slowpath+0x5e0/0x5e0 [ 292.948674] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 292.953520] ? trace_hardirqs_off+0x300/0x300 [ 292.958017] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 292.963049] ? prepare_exit_to_usermode+0x291/0x3b0 [ 292.968109] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 292.972996] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 292.978199] RIP: 0033:0x410e7a [ 292.981395] Code: Bad RIP value. [ 292.984762] RSP: 002b:00007ffdfa797988 EFLAGS: 00000246 ORIG_RAX: 000000000000003d [ 292.992477] RAX: fffffffffffffe00 RBX: 00000000000014f2 RCX: 0000000000410e7a [ 292.999771] RDX: 0000000040000000 RSI: 00007ffdfa797994 RDI: ffffffffffffffff [ 293.007038] RBP: 0000000000930b28 R08: 00000000000014e7 R09: 00000000024eb940 [ 293.014302] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010 [ 293.021572] R13: 0000000000412a80 R14: 0000000000000000 R15: 0000000000000000 [ 293.028888] warn_alloc_show_mem: 1 callbacks suppressed [ 293.028900] CPU: 0 PID: 9562 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51 [ 293.028902] Mem-Info: [ 293.028930] active_anon:43308 inactive_anon:372 isolated_anon:0 [ 293.028930] active_file:9 inactive_file:26 isolated_file:0 [ 293.028930] unevictable:0 dirty:0 writeback:0 unstable:0 [ 293.028930] slab_reclaimable:8855 slab_unreclaimable:1462387 [ 293.028930] mapped:57522 shmem:379 pagetables:727 bounce:0 [ 293.028930] free:13711 free_pcp:202 free_cma:0 [ 293.034277] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 293.034286] Call Trace: [ 293.041486] Node 0 active_anon:173232kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 293.043886] [ 293.076680] Node 0 [ 293.086045] dump_stack+0x1c4/0x2b4 [ 293.088645] 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 [ 293.116394] ? dump_stack_print_info.cold.2+0x52/0x52 [ 293.118522] lowmem_reserve[]: [ 293.120763] warn_alloc.cold.118+0xb7/0x1bd [ 293.124374] 0 [ 293.150355] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 293.155523] 2817 [ 293.158622] ? lock_downgrade+0x900/0x900 [ 293.162922] 6321 [ 293.164778] ? trace_hardirqs_off+0xb8/0x300 [ 293.169605] 6321 [ 293.171665] ? trace_hardirqs_off+0xb8/0x300 [ 293.177860] __alloc_pages_slowpath+0x2667/0x2d80 [ 293.182248] Node 0 [ 293.184339] ? warn_alloc+0x120/0x120 [ 293.188715] DMA32 free:24940kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 293.193528] ? trace_hardirqs_on+0x310/0x310 [ 293.195733] lowmem_reserve[]: 0 [ 293.199568] ? warn_alloc+0x120/0x120 [ 293.226356] 0 3503 [ 293.230794] ? print_usage_bug+0xc0/0xc0 [ 293.234059] 3503 [ 293.237852] ? warn_alloc+0x120/0x120 [ 293.240082] Node 0 [ 293.244143] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 293.246205] Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:169136kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5568kB pagetables:2908kB bounce:0kB free_pcp:808kB local_pcp:692kB free_cma:0kB [ 293.249988] ? print_usage_bug+0xc0/0xc0 [ 293.252204] lowmem_reserve[]: [ 293.257216] ? __lock_acquire+0x7ec/0x4ec0 [ 293.285660] 0 [ 293.289731] ? __lock_acquire+0x7ec/0x4ec0 [ 293.292818] 0 [ 293.297051] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 293.298828] 0 [ 293.303066] ? should_fail+0x22d/0xd01 [ 293.304844] 0 [ 293.310382] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 293.312161] Node 0 [ 293.316040] ? __lock_acquire+0x7ec/0x4ec0 [ 293.317819] DMA: [ 293.323012] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 293.325226] 1*4kB [ 293.329461] ? __lock_acquire+0x7ec/0x4ec0 [ 293.331498] (U) 0*8kB [ 293.336605] ? should_fail+0x22d/0xd01 [ 293.338734] 0*16kB [ 293.342957] ? print_usage_bug+0xc0/0xc0 [ 293.342983] ? mark_held_locks+0x130/0x130 [ 293.345452] 1*32kB [ 293.349333] ? mark_held_locks+0x130/0x130 [ 293.351544] (U) [ 293.355608] ? graph_lock+0x170/0x170 [ 293.359814] 2*64kB (U) [ 293.362053] ? print_usage_bug+0xc0/0xc0 [ 293.366255] 1*128kB (U) [ 293.368238] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 293.372010] 1*256kB [ 293.374587] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.378621] (U) [ 293.381295] ? check_preemption_disabled+0x48/0x200 [ 293.386024] 0*512kB [ 293.388343] ? check_preemption_disabled+0x48/0x200 [ 293.393871] 1*1024kB [ 293.395849] ? __lock_is_held+0xb5/0x140 [ 293.400892] (U) [ 293.403210] __alloc_pages_nodemask+0xa80/0xde0 [ 293.408207] 1*2048kB [ 293.410634] ? graph_lock+0x170/0x170 [ 293.414668] (M) [ 293.416658] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 293.421300] 3*4096kB [ 293.423700] ? graph_lock+0x170/0x170 [ 293.427477] (M) [ 293.429454] ? find_held_lock+0x36/0x1c0 [ 293.434437] = 15908kB [ 293.436879] ? ____cache_alloc_node+0x1c7/0x1e0 [ 293.440652] Node 0 [ 293.442622] ? lock_downgrade+0x900/0x900 [ 293.446657] DMA32: [ 293.449065] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.453705] 3*4kB [ 293.455936] cache_grow_begin+0x91/0x8c0 [ 293.460053] (UM) [ 293.462287] ? do_raw_spin_unlock+0xa7/0x2f0 [ 293.467796] 2*8kB [ 293.469944] fallback_alloc+0x203/0x2e0 [ 293.473978] (U) [ 293.476041] ____cache_alloc_node+0x1c7/0x1e0 [ 293.480421] 5*16kB [ 293.482565] kmem_cache_alloc_node+0xe3/0x730 [ 293.486511] (UM) [ 293.488484] ? ipv6_get_ifaddr+0x42e/0x620 [ 293.492947] 2*32kB (UM) [ 293.495204] __alloc_skb+0x119/0x770 [ 293.499686] 3*64kB (UM) [ 293.501752] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 293.505958] 4*128kB [ 293.508624] ? skb_scrub_packet+0x490/0x490 [ 293.512322] (UM) [ 293.514989] ? lock_downgrade+0x900/0x900 [ 293.520241] 2*256kB [ 293.522561] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.526851] (M) [ 293.528912] ? refcount_sub_and_test_checked+0x203/0x310 [ 293.533033] 4*512kB [ 293.535356] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 293.540860] (UM) [ 293.542831] ? addrconf_rs_timer+0x6f0/0x6f0 [ 293.548254] 3*1024kB [ 293.550602] ndisc_alloc_skb+0x144/0x340 [ 293.556011] (M) 1*2048kB [ 293.558082] ndisc_send_rs+0x331/0x6e0 [ 293.562467] (U) [ 293.564880] addrconf_rs_timer+0x3c0/0x6f0 [ 293.568910] 4*4096kB [ 293.571663] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 293.575522] (M) [ 293.577505] call_timer_fn+0x272/0x920 [ 293.581697] = 24940kB [ 293.581705] Node 0 [ 293.584126] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 293.588337] Normal: [ 293.590351] ? process_timeout+0x40/0x40 [ 293.594211] 667*4kB [ 293.596617] ? find_held_lock+0x36/0x1c0 [ 293.598828] (UMEH) [ 293.603066] ? __run_timers+0x7da/0xc70 [ 293.605351] 358*8kB (UMEH) [ 293.609419] ? _raw_spin_unlock_irq+0x27/0x80 [ 293.611713] 191*16kB (UMEH) [ 293.615776] ? _raw_spin_unlock_irq+0x27/0x80 [ 293.617988] 81*32kB [ 293.621959] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 293.624865] (UMEH) [ 293.629362] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 293.632347] 30*64kB (UMH) [ 293.636838] ? trace_hardirqs_on+0xbd/0x310 [ 293.639158] 1*128kB [ 293.643385] ? kasan_check_read+0x11/0x20 [ 293.643418] ? __run_timers+0x7da/0xc70 [ 293.645631] (M) [ 293.650206] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 293.653022] 3*256kB [ 293.657338] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 293.659631] (UH) [ 293.663775] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 293.667724] 0*512kB [ 293.669699] __run_timers+0x7e5/0xc70 [ 293.675117] 0*1024kB 0*2048kB [ 293.677457] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 293.681654] 0*4096kB [ 293.683744] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 293.687950] = 13996kB [ 293.687964] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 293.690272] ? graph_lock+0x170/0x170 [ 293.694073] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 293.697262] ? enqueue_hrtimer+0x1a5/0x560 [ 293.702600] 414 total pagecache pages [ 293.705011] ? lock_release+0x970/0x970 [ 293.710008] 0 pages in swap cache [ 293.712427] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 293.721235] Swap cache stats: add 0, delete 0, find 0/0 [ 293.721244] Free swap = 0kB [ 293.725058] ? find_held_lock+0x36/0x1c0 [ 293.733603] Total swap = 0kB [ 293.737837] ? graph_lock+0x170/0x170 [ 293.741613] 1965979 pages RAM [ 293.745578] ? pvclock_read_flags+0x160/0x160 [ 293.749005] 0 pages HighMem/MovableOnly [ 293.754189] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.759544] 342744 pages reserved [ 293.762558] ? check_preemption_disabled+0x48/0x200 [ 293.766582] 0 pages cma reserved [ 293.766661] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 293.769612] ? __lock_is_held+0xb5/0x140 [ 293.773446] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 293.776482] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.780971] syz-executor1 cpuset= [ 293.785005] ? check_preemption_disabled+0x48/0x200 [ 293.790513] / [ 293.793968] run_timer_softirq+0x52/0xb0 [ 293.798979] mems_allowed=0 [ 293.802363] ? rcu_read_lock_sched_held+0x108/0x120 [ 293.851003] __do_softirq+0x30b/0xad8 [ 293.854819] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 293.859928] ? pvclock_read_flags+0x160/0x160 [ 293.864443] ? lapic_next_event+0x5a/0x90 [ 293.868595] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.874134] ? check_preemption_disabled+0x48/0x200 [ 293.879155] ? check_preemption_disabled+0x48/0x200 [ 293.884182] ? kvm_clock_read+0x18/0x30 [ 293.888159] ? kvm_sched_clock_read+0x9/0x20 [ 293.892576] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 293.898130] ? check_preemption_disabled+0x48/0x200 [ 293.903164] irq_exit+0x17f/0x1c0 [ 293.906627] smp_apic_timer_interrupt+0x1cb/0x760 [ 293.911476] ? smp_reschedule_interrupt+0x109/0x650 [ 293.916497] ? smp_call_function_single_interrupt+0x650/0x650 [ 293.922382] ? interrupt_entry+0xb5/0xf0 [ 293.926446] ? trace_hardirqs_off_caller+0xbb/0x300 [ 293.931463] ? trace_hardirqs_off_caller+0xbb/0x300 [ 293.936486] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 293.941328] ? trace_hardirqs_off+0x300/0x300 [ 293.945832] ? trace_hardirqs_off+0x300/0x300 [ 293.950329] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 293.955875] ? check_preemption_disabled+0x48/0x200 [ 293.960889] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 293.966437] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 293.971294] apic_timer_interrupt+0xf/0x20 [ 293.975521] [ 293.977763] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 293.982719] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 294.001628] RSP: 0000:ffff88019f217748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 294.009340] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 294.016643] RDX: 0000000000000000 RSI: ffff88019f972d00 RDI: 0000000000000282 [ 294.023912] RBP: ffff88019f2177b0 R08: ffff88019f972480 R09: 0000000000000000 [ 294.031177] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 294.038445] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 294.045762] skb_clone+0x1bb/0x500 [ 294.049306] ? finish_task_switch+0x2f5/0x900 [ 294.053808] ? skb_split+0x11e0/0x11e0 [ 294.057700] ? preempt_notifier_register+0x200/0x200 [ 294.062805] ? __switch_to_asm+0x34/0x70 [ 294.066866] ? __switch_to_asm+0x34/0x70 [ 294.070942] ? __switch_to_asm+0x40/0x70 [ 294.075020] ? __switch_to_asm+0x34/0x70 [ 294.079079] ? __switch_to_asm+0x40/0x70 [ 294.083154] ? __switch_to_asm+0x34/0x70 [ 294.087210] ? __switch_to_asm+0x40/0x70 [ 294.091270] ? __switch_to_asm+0x34/0x70 [ 294.095330] ? __switch_to_asm+0x34/0x70 [ 294.099392] ? __switch_to_asm+0x40/0x70 [ 294.103453] ? __switch_to_asm+0x34/0x70 [ 294.107558] bpf_clone_redirect+0xb9/0x490 [ 294.111797] ? __schedule+0x874/0x1ed0 [ 294.115693] bpf_prog_a2323609a0d1adb1+0x624/0x1000 [ 294.120716] ? __sched_text_start+0x8/0x8 [ 294.125102] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 294.129883] ? find_held_lock+0x36/0x1c0 [ 294.133956] ? lock_acquire+0x1ed/0x520 [ 294.137929] ? bpf_test_run+0x32e/0x5a0 [ 294.141911] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.147451] ? check_preemption_disabled+0x48/0x200 [ 294.152477] ? kasan_check_read+0x11/0x20 [ 294.156645] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 294.161924] ? rcu_bh_qs+0xc0/0xc0 [ 294.165466] ? preempt_schedule+0x4d/0x60 [ 294.169620] ? ___preempt_schedule+0x16/0x18 [ 294.174058] ? bpf_test_run+0x1c0/0x5a0 [ 294.178054] ? netlink_diag_dump+0x2a0/0x2a0 [ 294.182486] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 294.188037] ? bpf_test_init.isra.9+0x70/0x100 [ 294.192649] ? bpf_prog_test_run_skb+0x634/0xb40 [ 294.197412] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 294.202256] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 294.207811] ? fput+0x130/0x1a0 [ 294.211103] ? __bpf_prog_get+0x9b/0x290 [ 294.215183] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 294.220039] ? bpf_prog_test_run+0x130/0x1a0 [ 294.224452] ? __x64_sys_bpf+0x3d8/0x510 [ 294.228518] ? bpf_prog_get+0x20/0x20 [ 294.232350] ? do_syscall_64+0x1b9/0x820 [ 294.236416] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 294.241787] ? syscall_return_slowpath+0x5e0/0x5e0 [ 294.246721] ? trace_hardirqs_off+0x300/0x300 [ 294.251223] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 294.256327] ? recalc_sigpending_tsk+0x180/0x180 [ 294.261318] ? kasan_check_write+0x14/0x20 [ 294.265585] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 294.270440] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 294.275825] CPU: 1 PID: 5351 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51 [ 294.275897] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 294.283021] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 294.283026] Call Trace: [ 294.283034] [ 294.283051] dump_stack+0x1c4/0x2b4 [ 294.283067] ? dump_stack_print_info.cold.2+0x52/0x52 [ 294.289642] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 294.298910] warn_alloc.cold.118+0xb7/0x1bd [ 294.301463] syz-executor0 cpuset= [ 294.303608] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 294.307240] syz0 [ 294.312428] ? lock_downgrade+0x900/0x900 [ 294.322882] mems_allowed=0 [ 294.344504] ? trace_hardirqs_off+0xb8/0x300 [ 294.348922] ? trace_hardirqs_off+0xb8/0x300 [ 294.353348] __alloc_pages_slowpath+0x2667/0x2d80 [ 294.358228] ? warn_alloc+0x120/0x120 [ 294.362034] ? warn_alloc+0x120/0x120 [ 294.365838] ? print_usage_bug+0xc0/0xc0 [ 294.369906] ? warn_alloc+0x120/0x120 [ 294.373707] ? print_usage_bug+0xc0/0xc0 [ 294.377771] ? __lock_acquire+0x7ec/0x4ec0 [ 294.382013] ? __lock_acquire+0x7ec/0x4ec0 [ 294.386259] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 294.391802] ? should_fail+0x22d/0xd01 [ 294.395698] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 294.400802] ? __lock_acquire+0x7ec/0x4ec0 [ 294.405061] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 294.410172] ? __lock_acquire+0x7ec/0x4ec0 [ 294.414410] ? should_fail+0x22d/0xd01 [ 294.418308] ? mark_held_locks+0x130/0x130 [ 294.422548] ? mark_held_locks+0x130/0x130 [ 294.426787] ? graph_lock+0x170/0x170 [ 294.430587] ? graph_lock+0x170/0x170 [ 294.434388] ? graph_lock+0x170/0x170 [ 294.438192] ? print_usage_bug+0xc0/0xc0 [ 294.442267] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.447803] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.453375] ? check_preemption_disabled+0x48/0x200 [ 294.458392] ? check_preemption_disabled+0x48/0x200 [ 294.463420] ? __lock_is_held+0xb5/0x140 [ 294.467503] __alloc_pages_nodemask+0xa80/0xde0 [ 294.472188] ? graph_lock+0x170/0x170 [ 294.475990] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 294.481004] ? graph_lock+0x170/0x170 [ 294.484816] ? find_held_lock+0x36/0x1c0 [ 294.488908] ? ____cache_alloc_node+0x1c7/0x1e0 [ 294.493620] ? lock_downgrade+0x900/0x900 [ 294.497776] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.503319] cache_grow_begin+0x91/0x8c0 [ 294.507387] ? do_raw_spin_unlock+0xa7/0x2f0 [ 294.511811] fallback_alloc+0x203/0x2e0 [ 294.515826] ____cache_alloc_node+0x1c7/0x1e0 [ 294.520332] kmem_cache_alloc_node+0xe3/0x730 [ 294.524833] ? ipv6_get_ifaddr+0x42e/0x620 [ 294.529157] __alloc_skb+0x119/0x770 [ 294.532881] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 294.538193] ? skb_scrub_packet+0x490/0x490 [ 294.542518] ? lock_downgrade+0x900/0x900 [ 294.546678] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.552224] ? refcount_sub_and_test_checked+0x203/0x310 [ 294.557682] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 294.563164] ? addrconf_rs_timer+0x6f0/0x6f0 [ 294.567590] ndisc_alloc_skb+0x144/0x340 [ 294.571658] ndisc_send_rs+0x331/0x6e0 [ 294.575557] addrconf_rs_timer+0x3c0/0x6f0 [ 294.579799] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 294.584050] call_timer_fn+0x272/0x920 [ 294.587975] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 294.592229] ? process_timeout+0x40/0x40 [ 294.596291] ? find_held_lock+0x36/0x1c0 [ 294.600363] ? __run_timers+0x7da/0xc70 [ 294.604356] ? _raw_spin_unlock_irq+0x27/0x80 [ 294.608870] ? _raw_spin_unlock_irq+0x27/0x80 [ 294.613384] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 294.617623] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 294.622206] ? trace_hardirqs_on+0xbd/0x310 [ 294.626530] ? kasan_check_read+0x11/0x20 [ 294.630679] ? __run_timers+0x7da/0xc70 [ 294.634660] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 294.640131] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 294.644378] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 294.648620] __run_timers+0x7e5/0xc70 [ 294.652435] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 294.657802] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 294.662818] ? graph_lock+0x170/0x170 [ 294.666627] ? enqueue_hrtimer+0x1a5/0x560 [ 294.670864] ? lock_release+0x970/0x970 [ 294.674839] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 294.680041] ? find_held_lock+0x36/0x1c0 [ 294.684150] ? pvclock_read_flags+0x160/0x160 [ 294.688646] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.694184] ? check_preemption_disabled+0x48/0x200 [ 294.699206] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 294.704745] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 294.710023] ? rcu_pm_notify+0xc0/0xc0 [ 294.713911] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.719453] ? check_preemption_disabled+0x48/0x200 [ 294.724480] run_timer_softirq+0x52/0xb0 [ 294.728541] ? rcu_read_lock_sched_held+0x108/0x120 [ 294.733556] __do_softirq+0x30b/0xad8 [ 294.737367] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 294.742479] ? pvclock_read_flags+0x160/0x160 [ 294.746975] ? lapic_next_event+0x5a/0x90 [ 294.751132] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.756669] ? check_preemption_disabled+0x48/0x200 [ 294.761700] ? check_preemption_disabled+0x48/0x200 [ 294.766735] ? kvm_clock_read+0x18/0x30 [ 294.770712] ? kvm_sched_clock_read+0x9/0x20 [ 294.775129] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.780669] ? check_preemption_disabled+0x48/0x200 [ 294.785715] irq_exit+0x17f/0x1c0 [ 294.789170] smp_apic_timer_interrupt+0x1cb/0x760 [ 294.794039] ? smp_reschedule_interrupt+0x109/0x650 [ 294.799076] ? smp_call_function_single_interrupt+0x650/0x650 [ 294.804985] ? interrupt_entry+0xb5/0xf0 [ 294.809050] ? trace_hardirqs_off_caller+0xbb/0x300 [ 294.814108] ? trace_hardirqs_off_caller+0xbb/0x300 [ 294.819134] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 294.824007] ? trace_hardirqs_off+0x300/0x300 [ 294.828529] ? trace_hardirqs_off+0x300/0x300 [ 294.833043] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.838581] ? check_preemption_disabled+0x48/0x200 [ 294.843596] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.849143] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 294.854002] apic_timer_interrupt+0xf/0x20 [ 294.858233] [ 294.860472] RIP: 0010:_raw_write_unlock_irq+0x56/0x80 [ 294.865661] Code: 52 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d ab aa 92 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 f0 ec 95 f9 65 8b 05 a9 6e 42 78 85 c0 74 05 5b [ 294.884649] RSP: 0018:ffff8801d8cf7350 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 294.892362] RAX: dffffc0000000000 RBX: ffffffff894090c0 RCX: 0000000000000000 [ 294.899632] RDX: 1ffffffff12a4537 RSI: 0000000000000001 RDI: ffffffff895229b8 [ 294.906899] RBP: ffff8801d8cf7358 R08: ffff8801c24ca580 R09: 0000000000000000 [ 294.914165] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d70737c0 [ 294.921435] R13: ffff8801d8cf7490 R14: 0000000000000000 R15: ffff8801c24cab00 [ 294.928737] do_exit+0x11ef/0x2610 [ 294.932282] ? mem_cgroup_commit_charge+0x275/0x9d0 [ 294.937313] ? mm_update_next_owner+0x990/0x990 [ 294.941985] ? print_usage_bug+0xc0/0xc0 [ 294.946105] ? graph_lock+0x170/0x170 [ 294.949928] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 294.955474] ? check_preemption_disabled+0x48/0x200 [ 294.960508] ? check_preemption_disabled+0x48/0x200 [ 294.965526] ? print_usage_bug+0xc0/0xc0 [ 294.969596] ? __lock_acquire+0x7ec/0x4ec0 [ 294.973842] ? __lock_acquire+0x7ec/0x4ec0 [ 294.978115] ? mark_held_locks+0x130/0x130 [ 294.982365] ? mark_held_locks+0x130/0x130 [ 294.986605] ? finish_task_switch+0x1b5/0x900 [ 294.991137] ? __switch_to_asm+0x34/0x70 [ 294.995219] ? __switch_to_asm+0x34/0x70 [ 294.999278] ? __switch_to_asm+0x34/0x70 [ 295.003340] ? __switch_to_asm+0x40/0x70 [ 295.007433] ? __switch_to_asm+0x34/0x70 [ 295.011530] ? __switch_to_asm+0x40/0x70 [ 295.015587] ? __switch_to_asm+0x34/0x70 [ 295.019650] ? __switch_to_asm+0x34/0x70 [ 295.023709] ? __switch_to_asm+0x34/0x70 [ 295.027788] ? __switch_to_asm+0x34/0x70 [ 295.031852] ? __switch_to_asm+0x40/0x70 [ 295.035916] ? __switch_to_asm+0x34/0x70 [ 295.039973] ? __switch_to_asm+0x40/0x70 [ 295.044056] ? graph_lock+0x170/0x170 [ 295.047871] ? graph_lock+0x170/0x170 [ 295.051678] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.057221] ? wait_consider_task+0x245/0x3bb0 [ 295.061810] ? memset+0x31/0x40 [ 295.065149] ? find_held_lock+0x36/0x1c0 [ 295.069240] ? get_signal+0x95b/0x1980 [ 295.073134] ? _raw_spin_unlock_irq+0x27/0x80 [ 295.077628] ? _raw_spin_unlock_irq+0x27/0x80 [ 295.082145] do_group_exit+0x177/0x440 [ 295.086039] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 295.091494] ? __ia32_sys_exit+0x50/0x50 [ 295.095568] get_signal+0x8b0/0x1980 [ 295.099300] ? ptrace_notify+0x130/0x130 [ 295.103361] ? do_wait+0x57d/0xb90 [ 295.106911] ? wait_consider_task+0x3bb0/0x3bb0 [ 295.111583] ? graph_lock+0x170/0x170 [ 295.115381] ? graph_lock+0x170/0x170 [ 295.119188] ? graph_lock+0x170/0x170 [ 295.123006] do_signal+0x9c/0x21e0 [ 295.126883] ? find_held_lock+0x36/0x1c0 [ 295.130954] ? setup_sigcontext+0x7d0/0x7d0 [ 295.135293] ? kernel_wait4+0x2e0/0x3f0 [ 295.139282] ? __ia32_sys_waitid+0x140/0x140 [ 295.143695] ? task_stopped_code+0x190/0x190 [ 295.148114] ? exit_to_usermode_loop+0x8c/0x380 [ 295.152798] ? __do_page_fault+0x4a6/0xed0 [ 295.157032] ? do_syscall_64+0x9a/0x820 [ 295.161010] ? do_syscall_64+0x9a/0x820 [ 295.165006] exit_to_usermode_loop+0x2e5/0x380 [ 295.169597] ? syscall_slow_exit_work+0x520/0x520 [ 295.174451] do_syscall_64+0x6be/0x820 [ 295.178339] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 295.183709] ? syscall_return_slowpath+0x5e0/0x5e0 [ 295.188646] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 295.193497] ? trace_hardirqs_off+0x300/0x300 [ 295.197994] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 295.203023] ? prepare_exit_to_usermode+0x291/0x3b0 [ 295.208060] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 295.212945] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 295.218140] RIP: 0033:0x410e7a [ 295.221341] Code: Bad RIP value. [ 295.224714] RSP: 002b:00007ffdfa797988 EFLAGS: 00000246 ORIG_RAX: 000000000000003d [ 295.232433] RAX: fffffffffffffe00 RBX: 00000000000014f2 RCX: 0000000000410e7a [ 295.239712] RDX: 0000000040000000 RSI: 00007ffdfa797994 RDI: ffffffffffffffff [ 295.247005] RBP: 0000000000930b28 R08: 00000000000014e7 R09: 00000000024eb940 [ 295.254282] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010 [ 295.261557] R13: 0000000000412a80 R14: 0000000000000000 R15: 0000000000000000 [ 295.268868] warn_alloc_show_mem: 1 callbacks suppressed [ 295.268881] CPU: 0 PID: 9562 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51 [ 295.268883] Mem-Info: [ 295.268913] active_anon:43308 inactive_anon:372 isolated_anon:0 [ 295.268913] active_file:9 inactive_file:26 isolated_file:0 [ 295.268913] unevictable:0 dirty:0 writeback:0 unstable:0 [ 295.268913] slab_reclaimable:8855 slab_unreclaimable:1462387 [ 295.268913] mapped:57522 shmem:379 pagetables:727 bounce:0 [ 295.268913] free:13711 free_pcp:202 free_cma:0 [ 295.274259] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 295.274269] Call Trace: [ 295.281469] Node 0 active_anon:173232kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 295.283878] [ 295.316670] Node 0 [ 295.326092] dump_stack+0x1c4/0x2b4 [ 295.328677] 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 [ 295.356425] ? dump_stack_print_info.cold.2+0x52/0x52 [ 295.358551] lowmem_reserve[]: [ 295.360791] warn_alloc.cold.118+0xb7/0x1bd [ 295.364386] 0 [ 295.389896] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 295.395061] 2817 [ 295.398157] ? lock_downgrade+0x900/0x900 [ 295.402448] 6321 [ 295.404249] ? trace_hardirqs_off+0xb8/0x300 [ 295.409057] 6321 [ 295.411120] ? trace_hardirqs_off+0xb8/0x300 [ 295.417300] __alloc_pages_slowpath+0x2667/0x2d80 [ 295.421678] Node 0 [ 295.423762] ? warn_alloc+0x120/0x120 [ 295.428147] DMA32 free:24940kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 295.432957] ? trace_hardirqs_on+0x310/0x310 [ 295.435168] lowmem_reserve[]: [ 295.438961] ? warn_alloc+0x120/0x120 [ 295.465748] 0 [ 295.470160] ? print_usage_bug+0xc0/0xc0 [ 295.473230] 0 [ 295.477024] ? warn_alloc+0x120/0x120 [ 295.478800] 3503 [ 295.482858] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 295.484633] 3503 [ 295.488436] ? print_usage_bug+0xc0/0xc0 [ 295.490474] Node 0 [ 295.495490] ? __lock_acquire+0x7ec/0x4ec0 [ 295.497551] Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:169136kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5568kB pagetables:2908kB bounce:0kB free_pcp:808kB local_pcp:692kB free_cma:0kB [ 295.501577] ? __lock_acquire+0x7ec/0x4ec0 [ 295.503797] lowmem_reserve[]: 0 [ 295.508052] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 295.536481] 0 0 [ 295.540757] ? should_fail+0x22d/0xd01 [ 295.544004] 0 [ 295.549535] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 295.555366] ? __lock_acquire+0x7ec/0x4ec0 [ 295.557146] Node 0 [ 295.562246] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 295.566454] DMA: [ 295.568686] ? __lock_acquire+0x7ec/0x4ec0 [ 295.573761] 1*4kB [ 295.575834] ? should_fail+0x22d/0xd01 [ 295.580039] (U) [ 295.582184] ? print_usage_bug+0xc0/0xc0 [ 295.586044] 0*8kB [ 295.588023] ? mark_held_locks+0x130/0x130 [ 295.592043] 0*16kB 1*32kB [ 295.594198] ? mark_held_locks+0x130/0x130 [ 295.598402] (U) [ 295.601245] ? graph_lock+0x170/0x170 [ 295.605444] 2*64kB (U) [ 295.607423] ? print_usage_bug+0xc0/0xc0 [ 295.611194] 1*128kB [ 295.613774] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 295.617808] (U) [ 295.620125] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.624885] 1*256kB [ 295.626869] ? check_preemption_disabled+0x48/0x200 [ 295.626887] ? check_preemption_disabled+0x48/0x200 [ 295.632403] (U) [ 295.634729] ? __lock_is_held+0xb5/0x140 [ 295.639704] 0*512kB 1*1024kB [ 295.644727] __alloc_pages_nodemask+0xa80/0xde0 [ 295.646672] (U) [ 295.650728] ? graph_lock+0x170/0x170 [ 295.653809] 1*2048kB [ 295.658471] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 295.660422] (M) [ 295.664211] ? graph_lock+0x170/0x170 [ 295.666594] 3*4096kB (M) [ 295.671621] ? find_held_lock+0x36/0x1c0 [ 295.673562] = 15908kB [ 295.677369] ? ____cache_alloc_node+0x1c7/0x1e0 [ 295.680101] Node 0 [ 295.684154] ? lock_downgrade+0x900/0x900 [ 295.686539] DMA32: [ 295.691209] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.693414] 3*4kB [ 295.697559] cache_grow_begin+0x91/0x8c0 [ 295.699763] (UM) [ 295.705301] ? do_raw_spin_unlock+0xa7/0x2f0 [ 295.707428] 2*8kB [ 295.711503] fallback_alloc+0x203/0x2e0 [ 295.713537] (U) [ 295.717947] ____cache_alloc_node+0x1c7/0x1e0 [ 295.720072] 5*16kB [ 295.724052] kmem_cache_alloc_node+0xe3/0x730 [ 295.726002] (UM) [ 295.730491] ? ipv6_get_ifaddr+0x42e/0x620 [ 295.732694] 2*32kB (UM) [ 295.737198] __alloc_skb+0x119/0x770 [ 295.739233] 3*64kB [ 295.743461] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 295.746109] (UM) [ 295.749822] ? skb_scrub_packet+0x490/0x490 [ 295.752052] 4*128kB (UM) [ 295.757330] ? lock_downgrade+0x900/0x900 [ 295.759382] 2*256kB [ 295.763701] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 295.766448] (M) [ 295.770606] ? refcount_sub_and_test_checked+0x203/0x310 [ 295.772919] 4*512kB [ 295.778464] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 295.780413] (UM) [ 295.785855] ? addrconf_rs_timer+0x6f0/0x6f0 [ 295.788154] 3*1024kB [ 295.793611] ndisc_alloc_skb+0x144/0x340 [ 295.795643] (M) [ 295.800051] ndisc_send_rs+0x331/0x6e0 [ 295.802434] 1*2048kB [ 295.806488] addrconf_rs_timer+0x3c0/0x6f0 [ 295.808434] (U) [ 295.812318] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 295.814699] 4*4096kB [ 295.818938] call_timer_fn+0x272/0x920 [ 295.820877] (M) [ 295.825110] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 295.827516] = 24940kB [ 295.831399] ? process_timeout+0x40/0x40 [ 295.833357] Node 0 [ 295.837582] ? find_held_lock+0x36/0x1c0 [ 295.839966] Normal: [ 295.844027] ? __run_timers+0x7da/0xc70 [ 295.846251] 667*4kB [ 295.850308] ? _raw_spin_unlock_irq+0x27/0x80 [ 295.852602] (UMEH) [ 295.856567] ? _raw_spin_unlock_irq+0x27/0x80 [ 295.858866] 358*8kB [ 295.863374] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 295.865576] (UMEH) 191*16kB [ 295.870097] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 295.872389] (UMEH) [ 295.876614] ? trace_hardirqs_on+0xbd/0x310 [ 295.879607] 81*32kB [ 295.884186] ? kasan_check_read+0x11/0x20 [ 295.886392] (UMEH) [ 295.890712] ? __run_timers+0x7da/0xc70 [ 295.893007] 30*64kB [ 295.897152] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 295.899352] (UMH) 1*128kB [ 295.903334] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 295.906419] (M) 3*256kB [ 295.911886] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 295.914700] (UH) [ 295.918936] __run_timers+0x7e5/0xc70 [ 295.921576] 0*512kB [ 295.925812] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 295.927861] 0*1024kB [ 295.931658] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 295.933956] 0*2048kB [ 295.939311] ? graph_lock+0x170/0x170 [ 295.941690] 0*4096kB = 13996kB [ 295.946709] ? enqueue_hrtimer+0x1a5/0x560 [ 295.949105] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 295.952891] ? lock_release+0x970/0x970 [ 295.956061] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 295.960281] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 295.969114] 414 total pagecache pages [ 295.973097] ? find_held_lock+0x36/0x1c0 [ 295.981646] 0 pages in swap cache [ 295.986834] ? graph_lock+0x170/0x170 [ 295.990605] Swap cache stats: add 0, delete 0, find 0/0 [ 295.994658] ? pvclock_read_flags+0x160/0x160 [ 295.998083] Free swap = 0kB [ 296.001905] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.007257] Total swap = 0kB [ 296.011763] ? check_preemption_disabled+0x48/0x200 [ 296.014752] 1965979 pages RAM [ 296.020292] ? __lock_is_held+0xb5/0x140 [ 296.023278] 0 pages HighMem/MovableOnly [ 296.028287] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.031364] 342744 pages reserved [ 296.035436] ? check_preemption_disabled+0x48/0x200 [ 296.039375] 0 pages cma reserved [ 296.039450] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 296.045006] run_timer_softirq+0x52/0xb0 [ 296.048541] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 296.053448] ? rcu_read_lock_sched_held+0x108/0x120 [ 296.056796] syz-executor1 cpuset= [ 296.063283] __do_softirq+0x30b/0xad8 [ 296.067320] / [ 296.077832] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 296.082817] mems_allowed=0 [ 296.086263] ? pvclock_read_flags+0x160/0x160 [ 296.104325] ? lapic_next_event+0x5a/0x90 [ 296.108477] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.114019] ? check_preemption_disabled+0x48/0x200 [ 296.119033] ? check_preemption_disabled+0x48/0x200 [ 296.124066] ? kvm_clock_read+0x18/0x30 [ 296.128046] ? kvm_sched_clock_read+0x9/0x20 [ 296.132457] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.137999] ? check_preemption_disabled+0x48/0x200 [ 296.143029] irq_exit+0x17f/0x1c0 [ 296.146501] smp_apic_timer_interrupt+0x1cb/0x760 [ 296.151346] ? smp_reschedule_interrupt+0x109/0x650 [ 296.156377] ? smp_call_function_single_interrupt+0x650/0x650 [ 296.162266] ? interrupt_entry+0xb5/0xf0 [ 296.166329] ? trace_hardirqs_off_caller+0xbb/0x300 [ 296.171359] ? trace_hardirqs_off_caller+0xbb/0x300 [ 296.176384] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 296.181231] ? trace_hardirqs_off+0x300/0x300 [ 296.185726] ? trace_hardirqs_off+0x300/0x300 [ 296.190225] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 296.195763] ? check_preemption_disabled+0x48/0x200 [ 296.200780] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 296.206326] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 296.211185] apic_timer_interrupt+0xf/0x20 [ 296.215428] [ 296.217672] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 296.222601] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 296.241511] RSP: 0000:ffff88019f217748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 296.249227] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 296.256637] RDX: 0000000000000000 RSI: ffff88019f972d00 RDI: 0000000000000282 [ 296.263919] RBP: ffff88019f2177b0 R08: ffff88019f972480 R09: 0000000000000000 [ 296.271199] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 296.278520] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 296.285872] skb_clone+0x1bb/0x500 [ 296.289430] ? finish_task_switch+0x2f5/0x900 [ 296.293958] ? skb_split+0x11e0/0x11e0 [ 296.297861] ? preempt_notifier_register+0x200/0x200 [ 296.302985] ? __switch_to_asm+0x34/0x70 [ 296.307050] ? __switch_to_asm+0x34/0x70 [ 296.311116] ? __switch_to_asm+0x40/0x70 [ 296.315176] ? __switch_to_asm+0x34/0x70 [ 296.319233] ? __switch_to_asm+0x40/0x70 [ 296.323291] ? __switch_to_asm+0x34/0x70 [ 296.327355] ? __switch_to_asm+0x40/0x70 [ 296.331414] ? __switch_to_asm+0x34/0x70 [ 296.335477] ? __switch_to_asm+0x34/0x70 [ 296.339535] ? __switch_to_asm+0x40/0x70 [ 296.343596] ? __switch_to_asm+0x34/0x70 [ 296.347668] bpf_clone_redirect+0xb9/0x490 [ 296.351925] ? __schedule+0x874/0x1ed0 [ 296.355839] bpf_prog_a2323609a0d1adb1+0x624/0x1000 [ 296.360861] ? __sched_text_start+0x8/0x8 [ 296.365014] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 296.369787] ? find_held_lock+0x36/0x1c0 [ 296.373854] ? lock_acquire+0x1ed/0x520 [ 296.377860] ? bpf_test_run+0x32e/0x5a0 [ 296.381866] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.387421] ? check_preemption_disabled+0x48/0x200 [ 296.392448] ? kasan_check_read+0x11/0x20 [ 296.396610] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 296.401888] ? rcu_bh_qs+0xc0/0xc0 [ 296.405432] ? preempt_schedule+0x4d/0x60 [ 296.409583] ? ___preempt_schedule+0x16/0x18 [ 296.414045] ? bpf_test_run+0x1c0/0x5a0 [ 296.418042] ? netlink_diag_dump+0x2a0/0x2a0 [ 296.422494] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 296.428034] ? bpf_test_init.isra.9+0x70/0x100 [ 296.432624] ? bpf_prog_test_run_skb+0x634/0xb40 [ 296.437393] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 296.442241] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 296.447776] ? fput+0x130/0x1a0 [ 296.451073] ? __bpf_prog_get+0x9b/0x290 [ 296.455144] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 296.459984] ? bpf_prog_test_run+0x130/0x1a0 [ 296.464397] ? __x64_sys_bpf+0x3d8/0x510 [ 296.468460] ? bpf_prog_get+0x20/0x20 [ 296.472281] ? do_syscall_64+0x1b9/0x820 [ 296.476341] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 296.481716] ? syscall_return_slowpath+0x5e0/0x5e0 [ 296.486665] ? trace_hardirqs_off+0x300/0x300 [ 296.491166] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 296.496185] ? recalc_sigpending_tsk+0x180/0x180 [ 296.500949] ? kasan_check_write+0x14/0x20 [ 296.505194] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 296.510045] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 296.515430] CPU: 1 PID: 5351 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51 [ 296.515501] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 296.522627] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 296.522632] Call Trace: [ 296.522639] [ 296.522656] dump_stack+0x1c4/0x2b4 [ 296.522673] ? dump_stack_print_info.cold.2+0x52/0x52 [ 296.529245] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 296.538516] warn_alloc.cold.118+0xb7/0x1bd [ 296.541065] syz-executor0 cpuset= [ 296.543219] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 296.546820] syz0 [ 296.552007] ? lock_downgrade+0x900/0x900 [ 296.562467] mems_allowed=0 [ 296.584075] ? trace_hardirqs_off+0xb8/0x300 [ 296.588506] ? trace_hardirqs_off+0xb8/0x300 [ 296.592925] __alloc_pages_slowpath+0x2667/0x2d80 [ 296.597804] ? warn_alloc+0x120/0x120 [ 296.601630] ? trace_hardirqs_on+0x310/0x310 [ 296.606046] ? warn_alloc+0x120/0x120 [ 296.609856] ? print_usage_bug+0xc0/0xc0 [ 296.613920] ? warn_alloc+0x120/0x120 [ 296.617767] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 296.622875] ? print_usage_bug+0xc0/0xc0 [ 296.626941] ? __lock_acquire+0x7ec/0x4ec0 [ 296.631175] ? __lock_acquire+0x7ec/0x4ec0 [ 296.635418] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 296.640955] ? should_fail+0x22d/0xd01 [ 296.644856] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 296.649962] ? __lock_acquire+0x7ec/0x4ec0 [ 296.654201] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 296.659334] ? __lock_acquire+0x7ec/0x4ec0 [ 296.663570] ? should_fail+0x22d/0xd01 [ 296.667459] ? print_usage_bug+0xc0/0xc0 [ 296.671532] ? mark_held_locks+0x130/0x130 [ 296.675774] ? mark_held_locks+0x130/0x130 [ 296.680017] ? graph_lock+0x170/0x170 [ 296.683819] ? print_usage_bug+0xc0/0xc0 [ 296.687885] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 296.692645] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.698183] ? check_preemption_disabled+0x48/0x200 [ 296.703199] ? check_preemption_disabled+0x48/0x200 [ 296.708226] ? __lock_is_held+0xb5/0x140 [ 296.712298] __alloc_pages_nodemask+0xa80/0xde0 [ 296.716966] ? graph_lock+0x170/0x170 [ 296.720776] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 296.725790] ? graph_lock+0x170/0x170 [ 296.729602] ? find_held_lock+0x36/0x1c0 [ 296.733674] ? ____cache_alloc_node+0x1c7/0x1e0 [ 296.738343] ? lock_downgrade+0x900/0x900 [ 296.742500] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.748045] cache_grow_begin+0x91/0x8c0 [ 296.752118] ? do_raw_spin_unlock+0xa7/0x2f0 [ 296.756535] fallback_alloc+0x203/0x2e0 [ 296.760516] ____cache_alloc_node+0x1c7/0x1e0 [ 296.765021] kmem_cache_alloc_node+0xe3/0x730 [ 296.769518] ? ipv6_get_ifaddr+0x42e/0x620 [ 296.773763] __alloc_skb+0x119/0x770 [ 296.777478] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 296.782765] ? skb_scrub_packet+0x490/0x490 [ 296.787084] ? lock_downgrade+0x900/0x900 [ 296.791264] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.796805] ? refcount_sub_and_test_checked+0x203/0x310 [ 296.802262] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 296.807719] ? addrconf_rs_timer+0x6f0/0x6f0 [ 296.812147] ndisc_alloc_skb+0x144/0x340 [ 296.816218] ndisc_send_rs+0x331/0x6e0 [ 296.820128] addrconf_rs_timer+0x3c0/0x6f0 [ 296.824407] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.828672] call_timer_fn+0x272/0x920 [ 296.832577] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.836817] ? process_timeout+0x40/0x40 [ 296.840883] ? find_held_lock+0x36/0x1c0 [ 296.844957] ? __run_timers+0x7da/0xc70 [ 296.848934] ? _raw_spin_unlock_irq+0x27/0x80 [ 296.853428] ? _raw_spin_unlock_irq+0x27/0x80 [ 296.857920] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.862169] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 296.866767] ? trace_hardirqs_on+0xbd/0x310 [ 296.871096] ? kasan_check_read+0x11/0x20 [ 296.875250] ? __run_timers+0x7da/0xc70 [ 296.879230] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 296.884686] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.888932] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 296.893167] __run_timers+0x7e5/0xc70 [ 296.896988] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 296.902354] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 296.907378] ? graph_lock+0x170/0x170 [ 296.911185] ? enqueue_hrtimer+0x1a5/0x560 [ 296.915419] ? lock_release+0x970/0x970 [ 296.919396] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 296.924593] ? find_held_lock+0x36/0x1c0 [ 296.928665] ? pvclock_read_flags+0x160/0x160 [ 296.933162] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.938704] ? check_preemption_disabled+0x48/0x200 [ 296.943735] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 296.949275] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 296.954554] ? rcu_pm_notify+0xc0/0xc0 [ 296.958443] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 296.963984] ? check_preemption_disabled+0x48/0x200 [ 296.969010] run_timer_softirq+0x52/0xb0 [ 296.973073] ? rcu_read_lock_sched_held+0x108/0x120 [ 296.978109] __do_softirq+0x30b/0xad8 [ 296.981928] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 296.987039] ? pvclock_read_flags+0x160/0x160 [ 296.991532] ? lapic_next_event+0x5a/0x90 [ 296.995686] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.001227] ? check_preemption_disabled+0x48/0x200 [ 297.006243] ? check_preemption_disabled+0x48/0x200 [ 297.011286] ? kvm_clock_read+0x18/0x30 [ 297.015260] ? kvm_sched_clock_read+0x9/0x20 [ 297.019674] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.025220] ? check_preemption_disabled+0x48/0x200 [ 297.030253] irq_exit+0x17f/0x1c0 [ 297.033711] smp_apic_timer_interrupt+0x1cb/0x760 [ 297.038553] ? smp_reschedule_interrupt+0x109/0x650 [ 297.043570] ? smp_call_function_single_interrupt+0x650/0x650 [ 297.049465] ? interrupt_entry+0xb5/0xf0 [ 297.053541] ? trace_hardirqs_off_caller+0xbb/0x300 [ 297.058556] ? trace_hardirqs_off_caller+0xbb/0x300 [ 297.063576] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 297.068418] ? trace_hardirqs_off+0x300/0x300 [ 297.072915] ? trace_hardirqs_off+0x300/0x300 [ 297.077418] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.082990] ? check_preemption_disabled+0x48/0x200 [ 297.088033] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.093578] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 297.098447] apic_timer_interrupt+0xf/0x20 [ 297.102676] [ 297.104912] RIP: 0010:_raw_write_unlock_irq+0x56/0x80 [ 297.110109] Code: 52 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d ab aa 92 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 f0 ec 95 f9 65 8b 05 a9 6e 42 78 85 c0 74 05 5b [ 297.129248] RSP: 0018:ffff8801d8cf7350 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 297.136956] RAX: dffffc0000000000 RBX: ffffffff894090c0 RCX: 0000000000000000 [ 297.144220] RDX: 1ffffffff12a4537 RSI: 0000000000000001 RDI: ffffffff895229b8 [ 297.151487] RBP: ffff8801d8cf7358 R08: ffff8801c24ca580 R09: 0000000000000000 [ 297.158750] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d70737c0 [ 297.166014] R13: ffff8801d8cf7490 R14: 0000000000000000 R15: ffff8801c24cab00 [ 297.173313] do_exit+0x11ef/0x2610 [ 297.176863] ? mem_cgroup_commit_charge+0x275/0x9d0 [ 297.181894] ? mm_update_next_owner+0x990/0x990 [ 297.186562] ? print_usage_bug+0xc0/0xc0 [ 297.190621] ? graph_lock+0x170/0x170 [ 297.194429] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.199970] ? check_preemption_disabled+0x48/0x200 [ 297.204984] ? check_preemption_disabled+0x48/0x200 [ 297.209998] ? print_usage_bug+0xc0/0xc0 [ 297.214068] ? __lock_acquire+0x7ec/0x4ec0 [ 297.218317] ? __lock_acquire+0x7ec/0x4ec0 [ 297.222569] ? mark_held_locks+0x130/0x130 [ 297.226814] ? mark_held_locks+0x130/0x130 [ 297.231053] ? finish_task_switch+0x1b5/0x900 [ 297.235549] ? __switch_to_asm+0x34/0x70 [ 297.239611] ? __switch_to_asm+0x34/0x70 [ 297.243670] ? __switch_to_asm+0x34/0x70 [ 297.247731] ? __switch_to_asm+0x40/0x70 [ 297.251807] ? __switch_to_asm+0x34/0x70 [ 297.255867] ? __switch_to_asm+0x40/0x70 [ 297.259927] ? __switch_to_asm+0x34/0x70 [ 297.263987] ? __switch_to_asm+0x34/0x70 [ 297.268047] ? __switch_to_asm+0x34/0x70 [ 297.272116] ? __switch_to_asm+0x34/0x70 [ 297.276181] ? __switch_to_asm+0x40/0x70 [ 297.280241] ? __switch_to_asm+0x34/0x70 [ 297.284300] ? __switch_to_asm+0x40/0x70 [ 297.288368] ? graph_lock+0x170/0x170 [ 297.292177] ? graph_lock+0x170/0x170 [ 297.295989] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.301525] ? wait_consider_task+0x245/0x3bb0 [ 297.306119] ? memset+0x31/0x40 [ 297.309406] ? find_held_lock+0x36/0x1c0 [ 297.313481] ? get_signal+0x95b/0x1980 [ 297.317374] ? _raw_spin_unlock_irq+0x27/0x80 [ 297.321869] ? _raw_spin_unlock_irq+0x27/0x80 [ 297.326371] do_group_exit+0x177/0x440 [ 297.330261] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 297.335712] ? __ia32_sys_exit+0x50/0x50 [ 297.339787] get_signal+0x8b0/0x1980 [ 297.343516] ? ptrace_notify+0x130/0x130 [ 297.347575] ? do_wait+0x57d/0xb90 [ 297.351129] ? wait_consider_task+0x3bb0/0x3bb0 [ 297.355800] ? graph_lock+0x170/0x170 [ 297.359596] ? graph_lock+0x170/0x170 [ 297.363397] ? graph_lock+0x170/0x170 [ 297.367215] do_signal+0x9c/0x21e0 [ 297.370755] ? find_held_lock+0x36/0x1c0 [ 297.374827] ? setup_sigcontext+0x7d0/0x7d0 [ 297.379151] ? kernel_wait4+0x2e0/0x3f0 [ 297.383133] ? __ia32_sys_waitid+0x140/0x140 [ 297.387546] ? task_stopped_code+0x190/0x190 [ 297.391958] ? exit_to_usermode_loop+0x8c/0x380 [ 297.396640] ? __do_page_fault+0x4a6/0xed0 [ 297.400881] ? do_syscall_64+0x9a/0x820 [ 297.404860] ? do_syscall_64+0x9a/0x820 [ 297.408840] exit_to_usermode_loop+0x2e5/0x380 [ 297.413432] ? syscall_slow_exit_work+0x520/0x520 [ 297.418289] do_syscall_64+0x6be/0x820 [ 297.422180] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 297.427546] ? syscall_return_slowpath+0x5e0/0x5e0 [ 297.432477] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 297.437323] ? trace_hardirqs_off+0x300/0x300 [ 297.441818] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 297.446841] ? prepare_exit_to_usermode+0x291/0x3b0 [ 297.451886] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 297.456736] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 297.461920] RIP: 0033:0x410e7a [ 297.465116] Code: Bad RIP value. [ 297.468492] RSP: 002b:00007ffdfa797988 EFLAGS: 00000246 ORIG_RAX: 000000000000003d [ 297.476202] RAX: fffffffffffffe00 RBX: 00000000000014f2 RCX: 0000000000410e7a [ 297.483469] RDX: 0000000040000000 RSI: 00007ffdfa797994 RDI: ffffffffffffffff [ 297.490737] RBP: 0000000000930b28 R08: 00000000000014e7 R09: 00000000024eb940 [ 297.498001] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010 [ 297.505264] R13: 0000000000412a80 R14: 0000000000000000 R15: 0000000000000000 [ 297.512552] warn_alloc_show_mem: 1 callbacks suppressed [ 297.512564] CPU: 0 PID: 9562 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51 [ 297.512566] Mem-Info: [ 297.512596] active_anon:43308 inactive_anon:372 isolated_anon:0 [ 297.512596] active_file:9 inactive_file:26 isolated_file:0 [ 297.512596] unevictable:0 dirty:0 writeback:0 unstable:0 [ 297.512596] slab_reclaimable:8855 slab_unreclaimable:1462387 [ 297.512596] mapped:57522 shmem:379 pagetables:727 bounce:0 [ 297.512596] free:13711 free_pcp:202 free_cma:0 [ 297.517938] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 297.525130] Node 0 active_anon:173232kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 297.527525] Call Trace: [ 297.560329] Node 0 [ 297.569681] [ 297.597451] 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 [ 297.600012] dump_stack+0x1c4/0x2b4 [ 297.602218] lowmem_reserve[]: [ 297.604369] ? dump_stack_print_info.cold.2+0x52/0x52 [ 297.629844] 0 [ 297.633474] warn_alloc.cold.118+0xb7/0x1bd [ 297.636539] 2817 [ 297.641722] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 297.643491] 6321 6321 [ 297.647813] ? lock_downgrade+0x900/0x900 [ 297.649884] Node 0 [ 297.654721] ? trace_hardirqs_off+0xb8/0x300 [ 297.657212] DMA32 free:24940kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 297.661327] ? trace_hardirqs_off+0xb8/0x300 [ 297.663537] lowmem_reserve[]: [ 297.667942] __alloc_pages_slowpath+0x2667/0x2d80 [ 297.694710] 0 0 [ 297.699156] ? warn_alloc+0x120/0x120 [ 297.702201] 3503 3503 [ 297.707047] ? trace_hardirqs_on+0x310/0x310 [ 297.712787] ? warn_alloc+0x120/0x120 [ 297.715263] Node 0 [ 297.719664] ? print_usage_bug+0xc0/0xc0 [ 297.723462] Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:169136kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5568kB pagetables:2908kB bounce:0kB free_pcp:808kB local_pcp:692kB free_cma:0kB [ 297.725665] ? warn_alloc+0x120/0x120 [ 297.729699] lowmem_reserve[]: [ 297.758147] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 297.761932] 0 [ 297.765033] ? print_usage_bug+0xc0/0xc0 [ 297.770022] 0 [ 297.771818] ? __lock_acquire+0x7ec/0x4ec0 [ 297.775853] 0 [ 297.777645] ? __lock_acquire+0x7ec/0x4ec0 [ 297.781856] 0 [ 297.783651] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 297.789688] ? should_fail+0x22d/0xd01 [ 297.795197] Node 0 DMA: [ 297.799076] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 297.799101] ? __lock_acquire+0x7ec/0x4ec0 [ 297.801762] 1*4kB [ 297.806859] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 297.811082] (U) [ 297.813235] ? __lock_acquire+0x7ec/0x4ec0 [ 297.818305] 0*8kB 0*16kB [ 297.820282] ? should_fail+0x22d/0xd01 [ 297.824490] 1*32kB [ 297.827238] ? print_usage_bug+0xc0/0xc0 [ 297.831103] (U) [ 297.833337] ? mark_held_locks+0x130/0x130 [ 297.837368] 2*64kB [ 297.839337] ? mark_held_locks+0x130/0x130 [ 297.843546] (U) [ 297.845783] ? graph_lock+0x170/0x170 [ 297.849997] 1*128kB [ 297.851976] ? print_usage_bug+0xc0/0xc0 [ 297.855748] (U) [ 297.858066] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 297.862104] 1*256kB [ 297.864072] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.868800] (U) [ 297.871144] ? check_preemption_disabled+0x48/0x200 [ 297.876650] 0*512kB [ 297.878620] ? check_preemption_disabled+0x48/0x200 [ 297.883611] 1*1024kB [ 297.885932] ? __lock_is_held+0xb5/0x140 [ 297.890912] (U) [ 297.893319] __alloc_pages_nodemask+0xa80/0xde0 [ 297.897357] 1*2048kB [ 297.899322] ? graph_lock+0x170/0x170 [ 297.903967] (M) [ 297.906382] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 297.910146] 3*4096kB [ 297.912120] ? graph_lock+0x170/0x170 [ 297.917115] (M) [ 297.919525] ? find_held_lock+0x36/0x1c0 [ 297.923294] = 15908kB [ 297.925266] ? ____cache_alloc_node+0x1c7/0x1e0 [ 297.929294] Node 0 [ 297.931696] ? lock_downgrade+0x900/0x900 [ 297.936335] DMA32: [ 297.938573] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 297.942690] 3*4kB [ 297.944921] cache_grow_begin+0x91/0x8c0 [ 297.950426] (UM) [ 297.952573] ? do_raw_spin_unlock+0xa7/0x2f0 [ 297.956605] 2*8kB [ 297.958667] fallback_alloc+0x203/0x2e0 [ 297.963053] (U) [ 297.965199] ____cache_alloc_node+0x1c7/0x1e0 [ 297.969143] 5*16kB [ 297.971116] kmem_cache_alloc_node+0xe3/0x730 [ 297.975582] (UM) [ 297.977812] ? ipv6_get_ifaddr+0x42e/0x620 [ 297.982281] 2*32kB [ 297.984342] __alloc_skb+0x119/0x770 [ 297.988552] (UM) [ 297.990782] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 297.994467] 3*64kB [ 297.996519] ? skb_scrub_packet+0x490/0x490 [ 298.001769] (UM) [ 298.004012] ? lock_downgrade+0x900/0x900 [ 298.008305] 4*128kB [ 298.010373] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.014485] (UM) [ 298.016821] ? refcount_sub_and_test_checked+0x203/0x310 [ 298.022328] 2*256kB [ 298.024389] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 298.029811] (M) [ 298.032134] ? addrconf_rs_timer+0x6f0/0x6f0 [ 298.037558] 4*512kB [ 298.039536] ndisc_alloc_skb+0x144/0x340 [ 298.043902] (UM) 3*1024kB [ 298.046232] ndisc_send_rs+0x331/0x6e0 [ 298.050263] (M) [ 298.053112] addrconf_rs_timer+0x3c0/0x6f0 [ 298.056965] 1*2048kB (U) [ 298.058950] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 298.063152] 4*4096kB [ 298.065910] call_timer_fn+0x272/0x920 [ 298.070111] (M) [ 298.072515] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 298.076373] = 24940kB [ 298.076381] Node 0 [ 298.078353] ? process_timeout+0x40/0x40 [ 298.082554] Normal: [ 298.084955] ? find_held_lock+0x36/0x1c0 [ 298.087172] 667*4kB [ 298.091230] ? __run_timers+0x7da/0xc70 [ 298.093522] (UMEH) [ 298.097573] ? _raw_spin_unlock_irq+0x27/0x80 [ 298.099871] 358*8kB [ 298.103833] ? _raw_spin_unlock_irq+0x27/0x80 [ 298.106043] (UMEH) [ 298.110532] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 298.112829] 191*16kB [ 298.117312] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 298.119524] (UMEH) [ 298.123754] ? trace_hardirqs_on+0xbd/0x310 [ 298.126141] 81*32kB [ 298.130712] ? kasan_check_read+0x11/0x20 [ 298.132918] (UMEH) [ 298.137233] ? __run_timers+0x7da/0xc70 [ 298.139532] 30*64kB [ 298.143669] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 298.145877] (UMH) [ 298.149844] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 298.152146] 1*128kB [ 298.157586] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 298.159709] (M) [ 298.163936] __run_timers+0x7e5/0xc70 [ 298.166232] 3*256kB [ 298.170467] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 298.172413] (UH) [ 298.176210] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 298.178509] 0*512kB [ 298.183867] ? graph_lock+0x170/0x170 [ 298.185919] 0*1024kB [ 298.190928] ? enqueue_hrtimer+0x1a5/0x560 [ 298.193231] 0*2048kB [ 298.197020] ? lock_release+0x970/0x970 [ 298.199407] 0*4096kB [ 298.203630] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 298.206014] = 13996kB [ 298.209980] ? find_held_lock+0x36/0x1c0 [ 298.212372] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 298.217544] ? graph_lock+0x170/0x170 [ 298.219934] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 298.223982] ? pvclock_read_flags+0x160/0x160 [ 298.232792] 414 total pagecache pages [ 298.236599] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.245161] 0 pages in swap cache [ 298.249642] ? check_preemption_disabled+0x48/0x200 [ 298.253418] Swap cache stats: add 0, delete 0, find 0/0 [ 298.259146] ? __lock_is_held+0xb5/0x140 [ 298.262570] Free swap = 0kB [ 298.267576] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.272914] Total swap = 0kB [ 298.276966] ? check_preemption_disabled+0x48/0x200 [ 298.279954] 1965979 pages RAM [ 298.285487] run_timer_softirq+0x52/0xb0 [ 298.288477] 0 pages HighMem/MovableOnly [ 298.293495] ? rcu_read_lock_sched_held+0x108/0x120 [ 298.296575] 342744 pages reserved [ 298.300627] __do_softirq+0x30b/0xad8 [ 298.304573] 0 pages cma reserved [ 298.309588] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 298.313071] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 298.316806] ? pvclock_read_flags+0x160/0x160 [ 298.316820] ? lapic_next_event+0x5a/0x90 [ 298.316837] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.320244] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 298.325283] ? check_preemption_disabled+0x48/0x200 [ 298.331744] syz-executor1 cpuset= [ 298.336235] ? check_preemption_disabled+0x48/0x200 [ 298.340359] / [ 298.345893] ? kvm_clock_read+0x18/0x30 [ 298.356350] mems_allowed=0 [ 298.361366] ? kvm_sched_clock_read+0x9/0x20 [ 298.382766] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.388303] ? check_preemption_disabled+0x48/0x200 [ 298.393331] irq_exit+0x17f/0x1c0 [ 298.396793] smp_apic_timer_interrupt+0x1cb/0x760 [ 298.401635] ? smp_reschedule_interrupt+0x109/0x650 [ 298.406654] ? smp_call_function_single_interrupt+0x650/0x650 [ 298.412536] ? interrupt_entry+0xb5/0xf0 [ 298.416601] ? trace_hardirqs_off_caller+0xbb/0x300 [ 298.421614] ? trace_hardirqs_off_caller+0xbb/0x300 [ 298.426634] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 298.431474] ? trace_hardirqs_off+0x300/0x300 [ 298.435970] ? trace_hardirqs_off+0x300/0x300 [ 298.440464] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 298.446005] ? check_preemption_disabled+0x48/0x200 [ 298.451023] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 298.456565] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 298.461416] apic_timer_interrupt+0xf/0x20 [ 298.465641] [ 298.467883] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 298.472813] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 298.491740] RSP: 0000:ffff88019f217748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 298.499457] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 298.506725] RDX: 0000000000000000 RSI: ffff88019f972d00 RDI: 0000000000000282 [ 298.513995] RBP: ffff88019f2177b0 R08: ffff88019f972480 R09: 0000000000000000 [ 298.521259] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 298.528524] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 298.535835] skb_clone+0x1bb/0x500 [ 298.539383] ? finish_task_switch+0x2f5/0x900 [ 298.543878] ? skb_split+0x11e0/0x11e0 [ 298.547769] ? preempt_notifier_register+0x200/0x200 [ 298.552870] ? __switch_to_asm+0x34/0x70 [ 298.556930] ? __switch_to_asm+0x34/0x70 [ 298.560988] ? __switch_to_asm+0x40/0x70 [ 298.565048] ? __switch_to_asm+0x34/0x70 [ 298.569115] ? __switch_to_asm+0x40/0x70 [ 298.573178] ? __switch_to_asm+0x34/0x70 [ 298.577235] ? __switch_to_asm+0x40/0x70 [ 298.581293] ? __switch_to_asm+0x34/0x70 [ 298.585358] ? __switch_to_asm+0x34/0x70 [ 298.589415] ? __switch_to_asm+0x40/0x70 [ 298.593469] ? __switch_to_asm+0x34/0x70 [ 298.597537] bpf_clone_redirect+0xb9/0x490 [ 298.601773] ? __schedule+0x874/0x1ed0 [ 298.605664] bpf_prog_a2323609a0d1adb1+0x624/0x1000 [ 298.610684] ? __sched_text_start+0x8/0x8 [ 298.614829] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 298.619596] ? find_held_lock+0x36/0x1c0 [ 298.623665] ? lock_acquire+0x1ed/0x520 [ 298.627639] ? bpf_test_run+0x32e/0x5a0 [ 298.631613] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.637153] ? check_preemption_disabled+0x48/0x200 [ 298.642179] ? kasan_check_read+0x11/0x20 [ 298.646330] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 298.651613] ? rcu_bh_qs+0xc0/0xc0 [ 298.655153] ? preempt_schedule+0x4d/0x60 [ 298.659305] ? ___preempt_schedule+0x16/0x18 [ 298.663723] ? bpf_test_run+0x1c0/0x5a0 [ 298.667706] ? netlink_diag_dump+0x2a0/0x2a0 [ 298.672121] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 298.677655] ? bpf_test_init.isra.9+0x70/0x100 [ 298.682246] ? bpf_prog_test_run_skb+0x634/0xb40 [ 298.687010] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 298.691850] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 298.697385] ? fput+0x130/0x1a0 [ 298.700667] ? __bpf_prog_get+0x9b/0x290 [ 298.704733] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 298.709576] ? bpf_prog_test_run+0x130/0x1a0 [ 298.713990] ? __x64_sys_bpf+0x3d8/0x510 [ 298.718049] ? bpf_prog_get+0x20/0x20 [ 298.721871] ? do_syscall_64+0x1b9/0x820 [ 298.725941] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 298.731306] ? syscall_return_slowpath+0x5e0/0x5e0 [ 298.736237] ? trace_hardirqs_off+0x300/0x300 [ 298.740738] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 298.745757] ? recalc_sigpending_tsk+0x180/0x180 [ 298.750519] ? kasan_check_write+0x14/0x20 [ 298.754764] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 298.759618] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 298.765000] CPU: 1 PID: 5351 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51 [ 298.765073] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 298.772185] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 298.772190] Call Trace: [ 298.772197] [ 298.772213] dump_stack+0x1c4/0x2b4 [ 298.772231] ? dump_stack_print_info.cold.2+0x52/0x52 [ 298.778798] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 298.788064] warn_alloc.cold.118+0xb7/0x1bd [ 298.790618] syz-executor0 cpuset= [ 298.792764] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 298.796365] syz0 [ 298.801545] ? lock_downgrade+0x900/0x900 [ 298.812009] mems_allowed=0 [ 298.833606] ? trace_hardirqs_off+0xb8/0x300 [ 298.838021] ? trace_hardirqs_off+0xb8/0x300 [ 298.842441] __alloc_pages_slowpath+0x2667/0x2d80 [ 298.847322] ? warn_alloc+0x120/0x120 [ 298.851133] ? warn_alloc+0x120/0x120 [ 298.854937] ? print_usage_bug+0xc0/0xc0 [ 298.859002] ? warn_alloc+0x120/0x120 [ 298.862810] ? print_usage_bug+0xc0/0xc0 [ 298.866879] ? __lock_acquire+0x7ec/0x4ec0 [ 298.871122] ? __lock_acquire+0x7ec/0x4ec0 [ 298.875366] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 298.880906] ? should_fail+0x22d/0xd01 [ 298.884798] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 298.889903] ? __lock_acquire+0x7ec/0x4ec0 [ 298.894141] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 298.899242] ? __lock_acquire+0x7ec/0x4ec0 [ 298.903473] ? should_fail+0x22d/0xd01 [ 298.907368] ? mark_held_locks+0x130/0x130 [ 298.911610] ? mark_held_locks+0x130/0x130 [ 298.915845] ? graph_lock+0x170/0x170 [ 298.919653] ? graph_lock+0x170/0x170 [ 298.923458] ? graph_lock+0x170/0x170 [ 298.927263] ? print_usage_bug+0xc0/0xc0 [ 298.931324] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.936866] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.942404] ? check_preemption_disabled+0x48/0x200 [ 298.947421] ? check_preemption_disabled+0x48/0x200 [ 298.952450] ? __lock_is_held+0xb5/0x140 [ 298.956523] __alloc_pages_nodemask+0xa80/0xde0 [ 298.961192] ? graph_lock+0x170/0x170 [ 298.964996] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 298.970006] ? graph_lock+0x170/0x170 [ 298.973817] ? find_held_lock+0x36/0x1c0 [ 298.977897] ? ____cache_alloc_node+0x1c7/0x1e0 [ 298.982569] ? lock_downgrade+0x900/0x900 [ 298.986725] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 298.992272] cache_grow_begin+0x91/0x8c0 [ 298.996334] ? do_raw_spin_unlock+0xa7/0x2f0 [ 299.000750] fallback_alloc+0x203/0x2e0 [ 299.004734] ____cache_alloc_node+0x1c7/0x1e0 [ 299.009236] kmem_cache_alloc_node+0xe3/0x730 [ 299.013736] ? ipv6_get_ifaddr+0x42e/0x620 [ 299.017981] __alloc_skb+0x119/0x770 [ 299.021694] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 299.026977] ? skb_scrub_packet+0x490/0x490 [ 299.031300] ? lock_downgrade+0x900/0x900 [ 299.035460] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.041009] ? refcount_sub_and_test_checked+0x203/0x310 [ 299.046462] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 299.051913] ? addrconf_rs_timer+0x6f0/0x6f0 [ 299.056344] ndisc_alloc_skb+0x144/0x340 [ 299.060413] ndisc_send_rs+0x331/0x6e0 [ 299.064308] addrconf_rs_timer+0x3c0/0x6f0 [ 299.068551] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 299.072804] call_timer_fn+0x272/0x920 [ 299.076690] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 299.080927] ? process_timeout+0x40/0x40 [ 299.084990] ? find_held_lock+0x36/0x1c0 [ 299.089063] ? __run_timers+0x7da/0xc70 [ 299.093052] ? _raw_spin_unlock_irq+0x27/0x80 [ 299.097549] ? _raw_spin_unlock_irq+0x27/0x80 [ 299.102046] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 299.106280] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 299.110874] ? trace_hardirqs_on+0xbd/0x310 [ 299.115201] ? kasan_check_read+0x11/0x20 [ 299.119349] ? __run_timers+0x7da/0xc70 [ 299.123326] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 299.128983] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 299.133229] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 299.137466] __run_timers+0x7e5/0xc70 [ 299.141280] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 299.146649] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 299.151669] ? graph_lock+0x170/0x170 [ 299.155473] ? enqueue_hrtimer+0x1a5/0x560 [ 299.159705] ? lock_release+0x970/0x970 [ 299.163678] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 299.168881] ? find_held_lock+0x36/0x1c0 [ 299.172950] ? pvclock_read_flags+0x160/0x160 [ 299.177451] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.182992] ? check_preemption_disabled+0x48/0x200 [ 299.188019] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 299.193559] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 299.198837] ? rcu_pm_notify+0xc0/0xc0 [ 299.202750] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.208288] ? check_preemption_disabled+0x48/0x200 [ 299.213314] run_timer_softirq+0x52/0xb0 [ 299.217379] ? rcu_read_lock_sched_held+0x108/0x120 [ 299.222400] __do_softirq+0x30b/0xad8 [ 299.226212] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 299.231319] ? pvclock_read_flags+0x160/0x160 [ 299.235816] ? lapic_next_event+0x5a/0x90 [ 299.239966] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.245508] ? check_preemption_disabled+0x48/0x200 [ 299.250528] ? check_preemption_disabled+0x48/0x200 [ 299.255552] ? kvm_clock_read+0x18/0x30 [ 299.259529] ? kvm_sched_clock_read+0x9/0x20 [ 299.263942] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.269481] ? check_preemption_disabled+0x48/0x200 [ 299.274512] irq_exit+0x17f/0x1c0 [ 299.277969] smp_apic_timer_interrupt+0x1cb/0x760 [ 299.282812] ? smp_reschedule_interrupt+0x109/0x650 [ 299.287831] ? smp_call_function_single_interrupt+0x650/0x650 [ 299.293718] ? interrupt_entry+0xb5/0xf0 [ 299.297782] ? trace_hardirqs_off_caller+0xbb/0x300 [ 299.302798] ? trace_hardirqs_off_caller+0xbb/0x300 [ 299.307816] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 299.312656] ? trace_hardirqs_off+0x300/0x300 [ 299.317148] ? trace_hardirqs_off+0x300/0x300 [ 299.321646] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.327188] ? check_preemption_disabled+0x48/0x200 [ 299.332202] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.337747] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 299.342603] apic_timer_interrupt+0xf/0x20 [ 299.346830] [ 299.349071] RIP: 0010:_raw_write_unlock_irq+0x56/0x80 [ 299.354268] Code: 52 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d ab aa 92 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 f0 ec 95 f9 65 8b 05 a9 6e 42 78 85 c0 74 05 5b [ 299.373169] RSP: 0018:ffff8801d8cf7350 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 299.380879] RAX: dffffc0000000000 RBX: ffffffff894090c0 RCX: 0000000000000000 [ 299.388144] RDX: 1ffffffff12a4537 RSI: 0000000000000001 RDI: ffffffff895229b8 [ 299.395414] RBP: ffff8801d8cf7358 R08: ffff8801c24ca580 R09: 0000000000000000 [ 299.402681] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d70737c0 [ 299.409947] R13: ffff8801d8cf7490 R14: 0000000000000000 R15: ffff8801c24cab00 [ 299.417249] do_exit+0x11ef/0x2610 [ 299.420794] ? mem_cgroup_commit_charge+0x275/0x9d0 [ 299.425818] ? mm_update_next_owner+0x990/0x990 [ 299.430496] ? print_usage_bug+0xc0/0xc0 [ 299.434556] ? graph_lock+0x170/0x170 [ 299.438366] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.443908] ? check_preemption_disabled+0x48/0x200 [ 299.448925] ? check_preemption_disabled+0x48/0x200 [ 299.453944] ? print_usage_bug+0xc0/0xc0 [ 299.458011] ? __lock_acquire+0x7ec/0x4ec0 [ 299.462251] ? __lock_acquire+0x7ec/0x4ec0 [ 299.466504] ? mark_held_locks+0x130/0x130 [ 299.470752] ? mark_held_locks+0x130/0x130 [ 299.474988] ? finish_task_switch+0x1b5/0x900 [ 299.479485] ? __switch_to_asm+0x34/0x70 [ 299.483547] ? __switch_to_asm+0x34/0x70 [ 299.487607] ? __switch_to_asm+0x34/0x70 [ 299.491665] ? __switch_to_asm+0x40/0x70 [ 299.495725] ? __switch_to_asm+0x34/0x70 [ 299.499784] ? __switch_to_asm+0x40/0x70 [ 299.503842] ? __switch_to_asm+0x34/0x70 [ 299.507912] ? __switch_to_asm+0x34/0x70 [ 299.511975] ? __switch_to_asm+0x34/0x70 [ 299.516037] ? __switch_to_asm+0x34/0x70 [ 299.520102] ? __switch_to_asm+0x40/0x70 [ 299.524209] ? __switch_to_asm+0x34/0x70 [ 299.528269] ? __switch_to_asm+0x40/0x70 [ 299.532337] ? graph_lock+0x170/0x170 [ 299.536145] ? graph_lock+0x170/0x170 [ 299.539951] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 299.545498] ? wait_consider_task+0x245/0x3bb0 [ 299.550083] ? memset+0x31/0x40 [ 299.553382] ? find_held_lock+0x36/0x1c0 [ 299.557453] ? get_signal+0x95b/0x1980 [ 299.561342] ? _raw_spin_unlock_irq+0x27/0x80 [ 299.565840] ? _raw_spin_unlock_irq+0x27/0x80 [ 299.570350] do_group_exit+0x177/0x440 [ 299.574242] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 299.579693] ? __ia32_sys_exit+0x50/0x50 [ 299.583771] get_signal+0x8b0/0x1980 [ 299.587494] ? ptrace_notify+0x130/0x130 [ 299.591553] ? do_wait+0x57d/0xb90 [ 299.595110] ? wait_consider_task+0x3bb0/0x3bb0 [ 299.599776] ? graph_lock+0x170/0x170 [ 299.603577] ? graph_lock+0x170/0x170 [ 299.607383] ? graph_lock+0x170/0x170 [ 299.611201] do_signal+0x9c/0x21e0 [ 299.614744] ? find_held_lock+0x36/0x1c0 [ 299.618811] ? setup_sigcontext+0x7d0/0x7d0 [ 299.623137] ? kernel_wait4+0x2e0/0x3f0 [ 299.627148] ? __ia32_sys_waitid+0x140/0x140 [ 299.631561] ? task_stopped_code+0x190/0x190 [ 299.635972] ? exit_to_usermode_loop+0x8c/0x380 [ 299.640660] ? __do_page_fault+0x4a6/0xed0 [ 299.644910] ? do_syscall_64+0x9a/0x820 [ 299.648884] ? do_syscall_64+0x9a/0x820 [ 299.652868] exit_to_usermode_loop+0x2e5/0x380 [ 299.657452] ? syscall_slow_exit_work+0x520/0x520 [ 299.662305] do_syscall_64+0x6be/0x820 [ 299.666192] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 299.671559] ? syscall_return_slowpath+0x5e0/0x5e0 [ 299.676485] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 299.681333] ? trace_hardirqs_off+0x300/0x300 [ 299.685831] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 299.690862] ? prepare_exit_to_usermode+0x291/0x3b0 [ 299.695902] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 299.700754] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 299.705944] RIP: 0033:0x410e7a [ 299.709143] Code: Bad RIP value. [ 299.712502] RSP: 002b:00007ffdfa797988 EFLAGS: 00000246 ORIG_RAX: 000000000000003d [ 299.720210] RAX: fffffffffffffe00 RBX: 00000000000014f2 RCX: 0000000000410e7a [ 299.727475] RDX: 0000000040000000 RSI: 00007ffdfa797994 RDI: ffffffffffffffff [ 299.734748] RBP: 0000000000930b28 R08: 00000000000014e7 R09: 00000000024eb940 [ 299.742013] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010 [ 299.749292] R13: 0000000000412a80 R14: 0000000000000000 R15: 0000000000000000 [ 299.756581] warn_alloc_show_mem: 1 callbacks suppressed [ 299.756593] CPU: 0 PID: 9562 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51 [ 299.756595] Mem-Info: [ 299.756625] active_anon:43308 inactive_anon:372 isolated_anon:0 [ 299.756625] active_file:9 inactive_file:26 isolated_file:0 [ 299.756625] unevictable:0 dirty:0 writeback:0 unstable:0 [ 299.756625] slab_reclaimable:8855 slab_unreclaimable:1462387 [ 299.756625] mapped:57522 shmem:379 pagetables:727 bounce:0 [ 299.756625] free:13711 free_pcp:202 free_cma:0 [ 299.761967] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 299.769174] Node 0 active_anon:173232kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 299.771573] Call Trace: [ 299.804359] Node 0 [ 299.813711] [ 299.841495] 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 [ 299.844052] dump_stack+0x1c4/0x2b4 [ 299.846253] lowmem_reserve[]: 0 [ 299.848409] ? dump_stack_print_info.cold.2+0x52/0x52 [ 299.873879] 2817 6321 [ 299.877527] warn_alloc.cold.118+0xb7/0x1bd [ 299.880765] 6321 [ 299.885948] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 299.888418] Node 0 [ 299.892731] ? lock_downgrade+0x900/0x900 [ 299.894793] DMA32 free:24940kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 299.899606] ? trace_hardirqs_off+0xb8/0x300 [ 299.901814] lowmem_reserve[]: [ 299.905976] ? trace_hardirqs_off+0xb8/0x300 [ 299.932745] 0 0 [ 299.937173] __alloc_pages_slowpath+0x2667/0x2d80 [ 299.940243] 3503 [ 299.944672] ? warn_alloc+0x120/0x120 [ 299.946597] 3503 [ 299.951435] ? trace_hardirqs_on+0x310/0x310 [ 299.953476] Node 0 [ 299.957272] ? warn_alloc+0x120/0x120 [ 299.959336] Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:169136kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5568kB pagetables:2908kB bounce:0kB free_pcp:808kB local_pcp:692kB free_cma:0kB [ 299.963711] ? print_usage_bug+0xc0/0xc0 [ 299.965915] lowmem_reserve[]: 0 [ 299.969715] ? warn_alloc+0x120/0x120 [ 299.998139] 0 [ 300.002197] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 300.005443] 0 [ 300.009235] ? print_usage_bug+0xc0/0xc0 [ 300.011011] 0 [ 300.016019] ? __lock_acquire+0x7ec/0x4ec0 [ 300.021845] ? __lock_acquire+0x7ec/0x4ec0 [ 300.023627] Node 0 [ 300.027858] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.032066] DMA: [ 300.034294] ? should_fail+0x22d/0xd01 [ 300.039806] 1*4kB [ 300.041870] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 300.045731] (U) [ 300.047872] ? __lock_acquire+0x7ec/0x4ec0 [ 300.052948] 0*8kB [ 300.054943] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 300.059158] 0*16kB [ 300.061297] ? __lock_acquire+0x7ec/0x4ec0 [ 300.066375] 1*32kB [ 300.068604] ? should_fail+0x22d/0xd01 [ 300.072808] (U) [ 300.075038] ? print_usage_bug+0xc0/0xc0 [ 300.078902] 2*64kB [ 300.080879] ? mark_held_locks+0x130/0x130 [ 300.084908] (U) [ 300.087139] ? mark_held_locks+0x130/0x130 [ 300.091339] 1*128kB (U) [ 300.093325] ? graph_lock+0x170/0x170 [ 300.097531] 1*256kB [ 300.100194] ? print_usage_bug+0xc0/0xc0 [ 300.103966] (U) [ 300.106287] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 300.110318] 0*512kB [ 300.112291] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.117020] 1*1024kB [ 300.119336] ? check_preemption_disabled+0x48/0x200 [ 300.124843] (U) [ 300.127247] ? check_preemption_disabled+0x48/0x200 [ 300.132234] 1*2048kB [ 300.134211] ? __lock_is_held+0xb5/0x140 [ 300.139194] (M) [ 300.141600] __alloc_pages_nodemask+0xa80/0xde0 [ 300.145634] 3*4096kB [ 300.147599] ? graph_lock+0x170/0x170 [ 300.152239] (M) [ 300.154644] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 300.158420] = 15908kB [ 300.160388] ? graph_lock+0x170/0x170 [ 300.165382] Node 0 [ 300.167793] ? find_held_lock+0x36/0x1c0 [ 300.171558] DMA32: [ 300.173792] ? ____cache_alloc_node+0x1c7/0x1e0 [ 300.177823] 3*4kB [ 300.180049] ? lock_downgrade+0x900/0x900 [ 300.184690] (UM) [ 300.186836] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.190953] 2*8kB [ 300.193026] cache_grow_begin+0x91/0x8c0 [ 300.198532] (U) [ 300.200675] ? do_raw_spin_unlock+0xa7/0x2f0 [ 300.204711] 5*16kB [ 300.206684] fallback_alloc+0x203/0x2e0 [ 300.211059] (UM) [ 300.213291] ____cache_alloc_node+0x1c7/0x1e0 [ 300.217235] 2*32kB [ 300.219292] kmem_cache_alloc_node+0xe3/0x730 [ 300.223756] (UM) [ 300.225993] ? ipv6_get_ifaddr+0x42e/0x620 [ 300.230459] 3*64kB [ 300.232521] __alloc_skb+0x119/0x770 [ 300.236720] (UM) [ 300.238955] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 300.242638] 4*128kB [ 300.244693] ? skb_scrub_packet+0x490/0x490 [ 300.249944] (UM) [ 300.252259] ? lock_downgrade+0x900/0x900 [ 300.256897] 2*256kB (M) [ 300.258971] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.263097] 4*512kB [ 300.265762] ? refcount_sub_and_test_checked+0x203/0x310 [ 300.271301] (UM) [ 300.273617] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 300.279038] 3*1024kB [ 300.281104] ? addrconf_rs_timer+0x6f0/0x6f0 [ 300.286524] (M) [ 300.288941] ndisc_alloc_skb+0x144/0x340 [ 300.293305] 1*2048kB (U) [ 300.295285] ndisc_send_rs+0x331/0x6e0 [ 300.299317] 4*4096kB [ 300.302066] addrconf_rs_timer+0x3c0/0x6f0 [ 300.305920] (M) [ 300.308329] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 300.312540] = 24940kB [ 300.314517] call_timer_fn+0x272/0x920 [ 300.318717] Node 0 [ 300.321124] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 300.324982] Normal: [ 300.327240] ? process_timeout+0x40/0x40 [ 300.331446] 667*4kB [ 300.333760] ? find_held_lock+0x36/0x1c0 [ 300.337796] (UMEH) [ 300.340125] ? __run_timers+0x7da/0xc70 [ 300.344151] 358*8kB (UMEH) [ 300.346392] ? _raw_spin_unlock_irq+0x27/0x80 [ 300.350333] 191*16kB (UMEH) [ 300.353275] ? _raw_spin_unlock_irq+0x27/0x80 [ 300.357738] 81*32kB (UMEH) [ 300.360764] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 300.365225] 30*64kB (UMH) [ 300.368158] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 300.372356] 1*128kB (M) [ 300.375205] ? trace_hardirqs_on+0xbd/0x310 [ 300.379757] 3*256kB (UH) [ 300.382432] ? kasan_check_read+0x11/0x20 [ 300.386728] 0*512kB [ 300.389477] ? __run_timers+0x7da/0xc70 [ 300.393597] 0*1024kB [ 300.395913] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 300.399873] 0*2048kB [ 300.402276] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 300.407699] 0*4096kB [ 300.410111] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 300.414316] = 13996kB [ 300.416722] __run_timers+0x7e5/0xc70 [ 300.420936] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 300.423340] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 300.427116] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 300.435940] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 300.441277] 414 total pagecache pages [ 300.449841] ? graph_lock+0x170/0x170 [ 300.454841] 0 pages in swap cache [ 300.458624] ? enqueue_hrtimer+0x1a5/0x560 [ 300.462404] Swap cache stats: add 0, delete 0, find 0/0 [ 300.465845] ? lock_release+0x970/0x970 [ 300.470059] Free swap = 0kB [ 300.475410] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 300.479354] Total swap = 0kB [ 300.479364] 1965979 pages RAM [ 300.482381] ? find_held_lock+0x36/0x1c0 [ 300.487535] 0 pages HighMem/MovableOnly [ 300.487543] 342744 pages reserved [ 300.490558] ? graph_lock+0x170/0x170 [ 300.493638] 0 pages cma reserved [ 300.497689] ? pvclock_read_flags+0x160/0x160 [ 300.501699] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 300.505083] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.508959] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 300.512231] ? check_preemption_disabled+0x48/0x200 [ 300.516697] syz-executor1 cpuset= [ 300.523189] ? __lock_is_held+0xb5/0x140 [ 300.528694] / [ 300.539173] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.544161] mems_allowed=0 [ 300.547605] ? check_preemption_disabled+0x48/0x200 [ 300.566790] run_timer_softirq+0x52/0xb0 [ 300.570852] ? rcu_read_lock_sched_held+0x108/0x120 [ 300.575875] __do_softirq+0x30b/0xad8 [ 300.579687] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 300.584795] ? pvclock_read_flags+0x160/0x160 [ 300.589289] ? lapic_next_event+0x5a/0x90 [ 300.593441] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.598979] ? check_preemption_disabled+0x48/0x200 [ 300.603994] ? check_preemption_disabled+0x48/0x200 [ 300.609014] ? kvm_clock_read+0x18/0x30 [ 300.612985] ? kvm_sched_clock_read+0x9/0x20 [ 300.617392] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.622928] ? check_preemption_disabled+0x48/0x200 [ 300.627953] irq_exit+0x17f/0x1c0 [ 300.631441] smp_apic_timer_interrupt+0x1cb/0x760 [ 300.636285] ? smp_reschedule_interrupt+0x109/0x650 [ 300.641301] ? smp_call_function_single_interrupt+0x650/0x650 [ 300.647182] ? interrupt_entry+0xb5/0xf0 [ 300.651246] ? trace_hardirqs_off_caller+0xbb/0x300 [ 300.656259] ? trace_hardirqs_off_caller+0xbb/0x300 [ 300.661275] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 300.666128] ? trace_hardirqs_off+0x300/0x300 [ 300.670623] ? trace_hardirqs_off+0x300/0x300 [ 300.675127] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.680669] ? check_preemption_disabled+0x48/0x200 [ 300.685684] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.691228] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 300.696081] apic_timer_interrupt+0xf/0x20 [ 300.700317] [ 300.702563] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 300.707490] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 300.726385] RSP: 0000:ffff88019f217748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 300.734104] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 300.741379] RDX: 0000000000000000 RSI: ffff88019f972d00 RDI: 0000000000000282 [ 300.748643] RBP: ffff88019f2177b0 R08: ffff88019f972480 R09: 0000000000000000 [ 300.755910] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 300.763179] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 300.770489] skb_clone+0x1bb/0x500 [ 300.774028] ? finish_task_switch+0x2f5/0x900 [ 300.778522] ? skb_split+0x11e0/0x11e0 [ 300.782410] ? preempt_notifier_register+0x200/0x200 [ 300.787509] ? __switch_to_asm+0x34/0x70 [ 300.791571] ? __switch_to_asm+0x34/0x70 [ 300.795628] ? __switch_to_asm+0x40/0x70 [ 300.799690] ? __switch_to_asm+0x34/0x70 [ 300.803746] ? __switch_to_asm+0x40/0x70 [ 300.807806] ? __switch_to_asm+0x34/0x70 [ 300.811865] ? __switch_to_asm+0x40/0x70 [ 300.815927] ? __switch_to_asm+0x34/0x70 [ 300.819991] ? __switch_to_asm+0x34/0x70 [ 300.824051] ? __switch_to_asm+0x40/0x70 [ 300.828118] ? __switch_to_asm+0x34/0x70 [ 300.832194] bpf_clone_redirect+0xb9/0x490 [ 300.836430] ? __schedule+0x874/0x1ed0 [ 300.840323] bpf_prog_a2323609a0d1adb1+0x624/0x1000 [ 300.845347] ? __sched_text_start+0x8/0x8 [ 300.849506] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 300.854275] ? find_held_lock+0x36/0x1c0 [ 300.858347] ? lock_acquire+0x1ed/0x520 [ 300.862323] ? bpf_test_run+0x32e/0x5a0 [ 300.866302] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 300.871843] ? check_preemption_disabled+0x48/0x200 [ 300.876885] ? kasan_check_read+0x11/0x20 [ 300.881038] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 300.886319] ? rcu_bh_qs+0xc0/0xc0 [ 300.889864] ? preempt_schedule+0x4d/0x60 [ 300.894012] ? ___preempt_schedule+0x16/0x18 [ 300.898430] ? bpf_test_run+0x1c0/0x5a0 [ 300.902420] ? netlink_diag_dump+0x2a0/0x2a0 [ 300.906833] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 300.912373] ? bpf_test_init.isra.9+0x70/0x100 [ 300.916959] ? bpf_prog_test_run_skb+0x634/0xb40 [ 300.921720] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 300.926566] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 300.932110] ? fput+0x130/0x1a0 [ 300.935391] ? __bpf_prog_get+0x9b/0x290 [ 300.939452] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 300.944294] ? bpf_prog_test_run+0x130/0x1a0 [ 300.948705] ? __x64_sys_bpf+0x3d8/0x510 [ 300.952771] ? bpf_prog_get+0x20/0x20 [ 300.956596] ? do_syscall_64+0x1b9/0x820 [ 300.960661] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 300.966029] ? syscall_return_slowpath+0x5e0/0x5e0 [ 300.970961] ? trace_hardirqs_off+0x300/0x300 [ 300.975478] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 300.980498] ? recalc_sigpending_tsk+0x180/0x180 [ 300.985256] ? kasan_check_write+0x14/0x20 [ 300.989502] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 300.994361] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 300.999745] CPU: 1 PID: 5351 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51 [ 300.999777] rcu: INFO: rcu_preempt self-detected stall on CPU [ 301.006935] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 301.006943] Call Trace: [ 301.022156] [ 301.024996] rcu: 0-...!: (1 GPs behind) idle=5fa/1/0x4000000000000004 softirq=12683/12684 fqs=2 [ 301.026873] dump_stack+0x1c4/0x2b4 [ 301.026891] ? dump_stack_print_info.cold.2+0x52/0x52 [ 301.026918] warn_alloc.cold.118+0xb7/0x1bd [ 301.026934] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 301.026952] ? lock_downgrade+0x900/0x900 [ 301.026975] ? trace_hardirqs_off+0xb8/0x300 [ 301.026995] ? trace_hardirqs_off+0xb8/0x300 [ 301.027018] __alloc_pages_slowpath+0x2667/0x2d80 [ 301.027061] ? warn_alloc+0x120/0x120 [ 301.036395] rcu: [ 301.040022] ? trace_hardirqs_on+0x310/0x310 [ 301.045187] (t=10715 jiffies g=15109 q=7) [ 301.049500] ? warn_alloc+0x120/0x120 [ 301.054324] rcu: rcu_preempt kthread starved for 10242 jiffies! g15109 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 301.058454] ? print_usage_bug+0xc0/0xc0 [ 301.062835] rcu: RCU grace-period kthread stack dump: [ 301.067241] ? warn_alloc+0x120/0x120 [ 301.072058] rcu_preempt R [ 301.075857] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 301.075874] ? print_usage_bug+0xc0/0xc0 [ 301.078005] running task [ 301.082416] ? __lock_acquire+0x7ec/0x4ec0 [ 301.086629] 23064 10 2 0x80000000 [ 301.090416] ? __lock_acquire+0x7ec/0x4ec0 [ 301.100891] Call Trace: [ 301.104956] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 301.110136] __schedule+0x86c/0x1ed0 [ 301.113919] ? should_fail+0x22d/0xd01 [ 301.117015] ? __sched_text_start+0x8/0x8 [ 301.122010] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 301.126551] ? __mod_timer+0x6f6/0x1870 [ 301.126576] ? add_timer_on+0x9f0/0x9f0 [ 301.129753] ? __lock_acquire+0x7ec/0x4ec0 [ 301.133972] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 301.138112] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 301.142326] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 301.144895] ? __lock_acquire+0x7ec/0x4ec0 [ 301.150413] ? trace_hardirqs_on+0xbd/0x310 [ 301.154117] ? should_fail+0x22d/0xd01 [ 301.157986] ? kasan_check_read+0x11/0x20 [ 301.162118] ? print_usage_bug+0xc0/0xc0 [ 301.167205] ? prepare_to_swait_event+0x25a/0x800 [ 301.171166] ? mark_held_locks+0x130/0x130 [ 301.175130] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 301.179349] ? mark_held_locks+0x130/0x130 [ 301.184447] schedule+0xfe/0x460 [ 301.189533] ? graph_lock+0x170/0x170 [ 301.194618] ? __schedule+0x1ed0/0x1ed0 [ 301.198843] ? print_usage_bug+0xc0/0xc0 [ 301.203159] ? prepare_to_swait_event+0x25a/0x800 [ 301.207039] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 301.211175] ? __init_swait_queue_head+0x150/0x150 [ 301.215219] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.220043] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 301.224262] ? check_preemption_disabled+0x48/0x200 [ 301.229694] ? __lockdep_init_map+0x105/0x590 [ 301.233915] ? check_preemption_disabled+0x48/0x200 [ 301.237265] ? lockdep_init_map+0x9/0x10 [ 301.241056] ? __lock_is_held+0xb5/0x140 [ 301.245012] schedule_timeout+0x140/0x260 [ 301.249063] __alloc_pages_nodemask+0xa80/0xde0 [ 301.253887] ? usleep_range+0x1a0/0x1a0 [ 301.258634] ? graph_lock+0x170/0x170 [ 301.263550] ? __next_timer_interrupt+0x1a0/0x1a0 [ 301.269079] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 301.274890] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.279888] ? graph_lock+0x170/0x170 [ 301.284391] rcu_gp_kthread+0x9d9/0x2310 [ 301.289393] ? find_held_lock+0x36/0x1c0 [ 301.293452] ? rcu_gp_init+0x1830/0x1830 [ 301.297486] ? ____cache_alloc_node+0x1c7/0x1e0 [ 301.301608] ? update_curr+0x344/0xbe0 [ 301.306264] ? lock_downgrade+0x900/0x900 [ 301.310222] ? graph_lock+0x170/0x170 [ 301.314010] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.318834] ? __account_cfs_rq_runtime+0x790/0x790 [ 301.323837] cache_grow_begin+0x91/0x8c0 [ 301.329360] ? __lock_acquire+0x7ec/0x4ec0 [ 301.333139] ? do_raw_spin_unlock+0xa7/0x2f0 [ 301.337184] ? graph_lock+0x170/0x170 [ 301.341232] fallback_alloc+0x203/0x2e0 [ 301.345279] ? mark_held_locks+0x130/0x130 [ 301.349929] ____cache_alloc_node+0x1c7/0x1e0 [ 301.353802] ? __lock_is_held+0xb5/0x140 [ 301.357930] kmem_cache_alloc_node+0xe3/0x730 [ 301.361711] ? __account_cfs_rq_runtime+0x790/0x790 [ 301.367233] ? ipv6_get_ifaddr+0x42e/0x620 [ 301.372243] ? set_next_entity+0x30c/0xc40 [ 301.376284] __alloc_skb+0x119/0x770 [ 301.380498] ? mark_held_locks+0x130/0x130 [ 301.384890] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 301.388670] ? rcu_read_lock_sched_held+0x108/0x120 [ 301.392628] ? skb_scrub_packet+0x490/0x490 [ 301.396847] ? select_task_rq_fair+0x34f0/0x34f0 [ 301.401334] ? lock_downgrade+0x900/0x900 [ 301.405381] ? __enqueue_entity+0x10d/0x1f0 [ 301.409865] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.414856] ? graph_lock+0x170/0x170 [ 301.419078] ? refcount_sub_and_test_checked+0x203/0x310 [ 301.423302] ? lock_repin_lock+0x251/0x430 [ 301.426998] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 301.431212] ? graph_lock+0x170/0x170 [ 301.436475] ? addrconf_rs_timer+0x6f0/0x6f0 [ 301.441476] ? put_prev_task_stop+0x300/0xa10 [ 301.445785] ndisc_alloc_skb+0x144/0x340 [ 301.450520] ? lock_repin_lock+0x250/0x430 [ 301.454644] ndisc_send_rs+0x331/0x6e0 [ 301.458946] ? _raw_spin_unlock_irq+0x27/0x80 [ 301.464471] addrconf_rs_timer+0x3c0/0x6f0 [ 301.468248] ? _raw_spin_unlock_irq+0x27/0x80 [ 301.473683] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.477899] ? lockdep_hardirqs_on+0x421/0x5c0 [ 301.483343] call_timer_fn+0x272/0x920 [ 301.487123] ? trace_hardirqs_on+0xbd/0x310 [ 301.491516] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.495993] ? kasan_check_read+0x11/0x20 [ 301.500037] ? process_timeout+0x40/0x40 [ 301.504258] ? mark_held_locks+0x130/0x130 [ 301.508126] ? find_held_lock+0x36/0x1c0 [ 301.512603] ? audit_add_watch+0xae1/0xdc0 [ 301.516824] ? __run_timers+0x7da/0xc70 [ 301.521302] ? kasan_check_write+0x14/0x20 [ 301.525520] ? _raw_spin_unlock_irq+0x27/0x80 [ 301.530084] ? finish_task_switch+0x2f5/0x900 [ 301.533961] ? _raw_spin_unlock_irq+0x27/0x80 [ 301.538265] ? __switch_to_asm+0x40/0x70 [ 301.542485] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.546613] ? preempt_notifier_register+0x200/0x200 [ 301.550659] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 301.554879] ? __switch_to_asm+0x34/0x70 [ 301.558951] ? trace_hardirqs_on+0xbd/0x310 [ 301.563170] ? __switch_to_asm+0x34/0x70 [ 301.567128] ? kasan_check_read+0x11/0x20 [ 301.571346] ? __switch_to_asm+0x40/0x70 [ 301.575823] ? __run_timers+0x7da/0xc70 [ 301.580296] ? __switch_to_asm+0x40/0x70 [ 301.584777] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 301.588820] ? __switch_to_asm+0x34/0x70 [ 301.593051] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 301.598128] ? __switch_to_asm+0x40/0x70 [ 301.602694] __run_timers+0x7e5/0xc70 [ 301.606737] ? __switch_to_asm+0x34/0x70 [ 301.611052] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 301.615084] ? __switch_to_asm+0x34/0x70 [ 301.619226] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 301.623272] ? __switch_to_asm+0x40/0x70 [ 301.627233] ? graph_lock+0x170/0x170 [ 301.631274] ? __switch_to_asm+0x40/0x70 [ 301.636705] ? enqueue_hrtimer+0x1a5/0x560 [ 301.640746] ? __switch_to_asm+0x34/0x70 [ 301.644962] ? lock_release+0x970/0x970 [ 301.649021] ? __switch_to_asm+0x40/0x70 [ 301.652806] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 301.656850] ? __schedule+0x874/0x1ed0 [ 301.662202] ? find_held_lock+0x36/0x1c0 [ 301.666241] ? __switch_to_asm+0x40/0x70 [ 301.671247] ? pvclock_read_flags+0x160/0x160 [ 301.675282] ? __switch_to_asm+0x40/0x70 [ 301.679066] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.683118] ? graph_lock+0x170/0x170 [ 301.687338] ? check_preemption_disabled+0x48/0x200 [ 301.691386] ? __sched_text_start+0x8/0x8 [ 301.695347] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 301.699397] ? find_held_lock+0x36/0x1c0 [ 301.704565] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 301.708439] ? __kthread_parkme+0xce/0x1a0 [ 301.712476] ? rcu_pm_notify+0xc0/0xc0 [ 301.716524] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 301.721004] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.725048] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 301.730571] ? check_preemption_disabled+0x48/0x200 [ 301.734357] ? lockdep_hardirqs_on+0x421/0x5c0 [ 301.739354] run_timer_softirq+0x52/0xb0 [ 301.743482] ? trace_hardirqs_on+0xbd/0x310 [ 301.749014] ? rcu_read_lock_sched_held+0x108/0x120 [ 301.753059] ? kasan_check_read+0x11/0x20 [ 301.758319] __do_softirq+0x30b/0xad8 [ 301.762536] ? __kthread_parkme+0xce/0x1a0 [ 301.766415] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 301.771496] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 301.777016] ? pvclock_read_flags+0x160/0x160 [ 301.782112] ? kasan_check_write+0x14/0x20 [ 301.787118] ? lapic_next_event+0x5a/0x90 [ 301.791684] ? do_raw_spin_lock+0xc1/0x200 [ 301.795726] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.800028] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 301.805031] ? check_preemption_disabled+0x48/0x200 [ 301.809158] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 301.812947] ? check_preemption_disabled+0x48/0x200 [ 301.817166] ? __kthread_parkme+0xfb/0x1a0 [ 301.822253] ? kvm_clock_read+0x18/0x30 [ 301.827687] kthread+0x35a/0x420 [ 301.832167] ? kvm_sched_clock_read+0x9/0x20 [ 301.836390] ? rcu_gp_init+0x1830/0x1830 [ 301.840521] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.844739] ? kthread_bind+0x40/0x40 [ 301.850260] ? check_preemption_disabled+0x48/0x200 [ 301.855341] ret_from_fork+0x3a/0x50 [ 301.860350] irq_exit+0x17f/0x1c0 [ 301.865874] NMI backtrace for cpu 0 [ 301.870875] smp_apic_timer_interrupt+0x1cb/0x760 [ 301.920702] ? smp_reschedule_interrupt+0x109/0x650 [ 301.925722] ? smp_call_function_single_interrupt+0x650/0x650 [ 301.931604] ? interrupt_entry+0xb5/0xf0 [ 301.935672] ? trace_hardirqs_off_caller+0xbb/0x300 [ 301.940688] ? trace_hardirqs_off_caller+0xbb/0x300 [ 301.945709] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 301.950554] ? trace_hardirqs_off+0x300/0x300 [ 301.955046] ? trace_hardirqs_off+0x300/0x300 [ 301.959540] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.965171] ? check_preemption_disabled+0x48/0x200 [ 301.970190] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 301.975738] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 301.980594] apic_timer_interrupt+0xf/0x20 [ 301.984825] [ 301.987071] RIP: 0010:_raw_write_unlock_irq+0x56/0x80 [ 301.992271] Code: 52 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d ab aa 92 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 f0 ec 95 f9 65 8b 05 a9 6e 42 78 85 c0 74 05 5b [ 302.011167] RSP: 0018:ffff8801d8cf7350 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 302.018875] RAX: dffffc0000000000 RBX: ffffffff894090c0 RCX: 0000000000000000 [ 302.026200] RDX: 1ffffffff12a4537 RSI: 0000000000000001 RDI: ffffffff895229b8 [ 302.033469] RBP: ffff8801d8cf7358 R08: ffff8801c24ca580 R09: 0000000000000000 [ 302.040734] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d70737c0 [ 302.048004] R13: ffff8801d8cf7490 R14: 0000000000000000 R15: ffff8801c24cab00 [ 302.055306] do_exit+0x11ef/0x2610 [ 302.058856] ? mem_cgroup_commit_charge+0x275/0x9d0 [ 302.063887] ? mm_update_next_owner+0x990/0x990 [ 302.068555] ? print_usage_bug+0xc0/0xc0 [ 302.072615] ? graph_lock+0x170/0x170 [ 302.076425] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.081968] ? check_preemption_disabled+0x48/0x200 [ 302.086983] ? check_preemption_disabled+0x48/0x200 [ 302.091997] ? print_usage_bug+0xc0/0xc0 [ 302.096064] ? __lock_acquire+0x7ec/0x4ec0 [ 302.100315] ? __lock_acquire+0x7ec/0x4ec0 [ 302.104567] ? mark_held_locks+0x130/0x130 [ 302.108811] ? mark_held_locks+0x130/0x130 [ 302.113049] ? finish_task_switch+0x1b5/0x900 [ 302.117546] ? __switch_to_asm+0x34/0x70 [ 302.121611] ? __switch_to_asm+0x34/0x70 [ 302.125675] ? __switch_to_asm+0x34/0x70 [ 302.129737] ? __switch_to_asm+0x40/0x70 [ 302.133797] ? __switch_to_asm+0x34/0x70 [ 302.137863] ? __switch_to_asm+0x40/0x70 [ 302.141923] ? __switch_to_asm+0x34/0x70 [ 302.145985] ? __switch_to_asm+0x34/0x70 [ 302.150044] ? __switch_to_asm+0x34/0x70 [ 302.154110] ? __switch_to_asm+0x34/0x70 [ 302.158172] ? __switch_to_asm+0x40/0x70 [ 302.162234] ? __switch_to_asm+0x34/0x70 [ 302.166294] ? __switch_to_asm+0x40/0x70 [ 302.170364] ? graph_lock+0x170/0x170 [ 302.174172] ? graph_lock+0x170/0x170 [ 302.177975] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.183510] ? wait_consider_task+0x245/0x3bb0 [ 302.188146] ? memset+0x31/0x40 [ 302.191432] ? find_held_lock+0x36/0x1c0 [ 302.195502] ? get_signal+0x95b/0x1980 [ 302.199391] ? _raw_spin_unlock_irq+0x27/0x80 [ 302.203887] ? _raw_spin_unlock_irq+0x27/0x80 [ 302.208392] do_group_exit+0x177/0x440 [ 302.212285] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 302.217733] ? __ia32_sys_exit+0x50/0x50 [ 302.221808] get_signal+0x8b0/0x1980 [ 302.225537] ? ptrace_notify+0x130/0x130 [ 302.229599] ? do_wait+0x57d/0xb90 [ 302.233161] ? wait_consider_task+0x3bb0/0x3bb0 [ 302.237828] ? graph_lock+0x170/0x170 [ 302.241631] ? graph_lock+0x170/0x170 [ 302.245438] ? graph_lock+0x170/0x170 [ 302.249341] do_signal+0x9c/0x21e0 [ 302.252884] ? find_held_lock+0x36/0x1c0 [ 302.257449] ? setup_sigcontext+0x7d0/0x7d0 [ 302.261774] ? kernel_wait4+0x2e0/0x3f0 [ 302.265755] ? __ia32_sys_waitid+0x140/0x140 [ 302.270170] ? task_stopped_code+0x190/0x190 [ 302.274582] ? exit_to_usermode_loop+0x8c/0x380 [ 302.279268] ? __do_page_fault+0x4a6/0xed0 [ 302.283503] ? do_syscall_64+0x9a/0x820 [ 302.287475] ? do_syscall_64+0x9a/0x820 [ 302.291459] exit_to_usermode_loop+0x2e5/0x380 [ 302.296058] ? syscall_slow_exit_work+0x520/0x520 [ 302.300920] do_syscall_64+0x6be/0x820 [ 302.304813] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 302.310178] ? syscall_return_slowpath+0x5e0/0x5e0 [ 302.315130] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 302.319976] ? trace_hardirqs_off+0x300/0x300 [ 302.324471] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 302.329488] ? prepare_exit_to_usermode+0x291/0x3b0 [ 302.334524] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 302.339379] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 302.344566] RIP: 0033:0x410e7a [ 302.347810] Code: Bad RIP value. [ 302.351170] RSP: 002b:00007ffdfa797988 EFLAGS: 00000246 ORIG_RAX: 000000000000003d [ 302.358890] RAX: fffffffffffffe00 RBX: 00000000000014f2 RCX: 0000000000410e7a [ 302.366166] RDX: 0000000040000000 RSI: 00007ffdfa797994 RDI: ffffffffffffffff [ 302.373433] RBP: 0000000000930b28 R08: 00000000000014e7 R09: 00000000024eb940 [ 302.380699] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010 [ 302.387965] R13: 0000000000412a80 R14: 0000000000000000 R15: 0000000000000000 [ 302.395253] warn_alloc_show_mem: 1 callbacks suppressed [ 302.395265] CPU: 0 PID: 9562 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51 [ 302.395267] Mem-Info: [ 302.395297] active_anon:43308 inactive_anon:372 isolated_anon:0 [ 302.395297] active_file:9 inactive_file:26 isolated_file:0 [ 302.395297] unevictable:0 dirty:0 writeback:0 unstable:0 [ 302.395297] slab_reclaimable:8855 slab_unreclaimable:1462387 [ 302.395297] mapped:57522 shmem:379 pagetables:727 bounce:0 [ 302.395297] free:13711 free_pcp:202 free_cma:0 [ 302.400643] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 302.407864] Node 0 active_anon:173232kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 302.410253] Call Trace: [ 302.443029] Node 0 [ 302.452372] [ 302.480152] 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 [ 302.482705] dump_stack+0x1c4/0x2b4 [ 302.484916] lowmem_reserve[]: [ 302.487059] ? dump_stack_print_info.cold.2+0x52/0x52 [ 302.512527] 0 2817 [ 302.516159] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.519233] 6321 [ 302.524412] ? trace_hardirqs_off+0xb8/0x300 [ 302.526624] 6321 [ 302.532155] nmi_cpu_backtrace.cold.3+0x63/0xa2 [ 302.538590] ? lapic_can_unplug_cpu.cold.27+0x3f/0x3f [ 302.540638] Node 0 [ 302.545301] nmi_trigger_cpumask_backtrace+0x1b3/0x1ed [ 302.550502] DMA32 free:24940kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 302.552706] arch_trigger_cpumask_backtrace+0x14/0x20 [ 302.557966] lowmem_reserve[]: [ 302.584781] rcu_dump_cpu_stacks+0x175/0x1c2 [ 302.589956] 0 [ 302.593056] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 302.597438] 0 [ 302.599243] print_cpu_stall.cold.78+0x2d3/0x524 [ 302.604229] 3503 [ 302.606040] ? rcu_dynticks_snap+0x30/0x30 [ 302.610767] 3503 [ 302.612827] ? check_preemption_disabled+0x48/0x200 [ 302.619084] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.624089] Node 0 [ 302.629621] ? check_preemption_disabled+0x48/0x200 [ 302.629656] Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:169136kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5568kB pagetables:2908kB bounce:0kB free_pcp:808kB local_pcp:692kB free_cma:0kB [ 302.631874] ? check_preemption_disabled+0x48/0x200 [ 302.636868] lowmem_reserve[]: [ 302.665314] ? rcu_test_sync_prims+0x30/0x30 [ 302.670301] 0 [ 302.673402] ? __lock_is_held+0xb5/0x140 [ 302.677777] 0 [ 302.679571] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.683604] 0 [ 302.685399] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.690905] 0 [ 302.692701] ? check_preemption_disabled+0x48/0x200 [ 302.700009] rcu_check_callbacks+0xfd9/0x1990 [ 302.704992] Node 0 DMA: 1*4kB [ 302.709492] ? rcu_cpu_stall_reset+0x220/0x220 [ 302.709508] ? lock_release+0x970/0x970 [ 302.712676] (U) [ 302.717255] ? graph_lock+0x170/0x170 [ 302.721196] 0*8kB [ 302.723161] ? graph_lock+0x170/0x170 [ 302.726937] 0*16kB [ 302.729078] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.732859] 1*32kB [ 302.735088] ? pvclock_gtod_notify+0x2e3/0x3e0 [ 302.740608] (U) [ 302.742853] ? kvm_vcpu_ready_for_interrupt_injection+0x1a0/0x1a0 [ 302.747409] 2*64kB [ 302.749409] ? graph_lock+0x170/0x170 [ 302.755619] (U) [ 302.757863] ? timekeeping_advance+0x3cc/0xc00 [ 302.761647] 1*128kB [ 302.763629] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.768183] (U) [ 302.770504] ? check_preemption_disabled+0x48/0x200 [ 302.776015] 1*256kB [ 302.777987] ? check_preemption_disabled+0x48/0x200 [ 302.782975] (U) [ 302.785296] ? trace_hardirqs_off+0xb8/0x300 [ 302.790279] 0*512kB [ 302.792249] ? __lock_is_held+0xb5/0x140 [ 302.796663] 1*1024kB [ 302.798976] ? trace_hardirqs_on+0x310/0x310 [ 302.803013] (U) [ 302.805431] ? check_preemption_disabled+0x48/0x200 [ 302.809811] 1*2048kB [ 302.811783] ? raise_softirq+0x199/0x420 [ 302.816763] (M) 3*4096kB [ 302.819181] ? raise_softirq_irqoff+0x2e0/0x2e0 [ 302.823236] (M) [ 302.825987] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 302.830629] = 15908kB [ 302.832641] ? check_preemption_disabled+0x48/0x200 [ 302.838154] Node 0 [ 302.840559] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 302.845550] DMA32: [ 302.847780] ? hrtimer_run_queues+0x9a/0x400 [ 302.853295] 3*4kB [ 302.855527] ? run_local_timers+0x19b/0x230 [ 302.859909] (UM) [ 302.862049] ? timer_clear_idle+0x90/0x90 [ 302.866344] 2*8kB [ 302.868404] ? debug_smp_processor_id+0x1c/0x20 [ 302.872524] (U) [ 302.874670] ? irqtime_account_process_tick.isra.6+0x114/0x490 [ 302.879307] 5*16kB [ 302.881279] ? account_process_tick+0x282/0x350 [ 302.887225] (UM) [ 302.889458] update_process_times+0x2d/0x70 [ 302.894105] 2*32kB [ 302.896163] tick_sched_handle+0x9f/0x180 [ 302.900455] (UM) [ 302.902684] tick_sched_timer+0x45/0x130 [ 302.906800] 3*64kB (UM) [ 302.908884] __hrtimer_run_queues+0x41c/0x10d0 [ 302.912911] 4*128kB (UM) [ 302.915587] ? tick_sched_do_timer+0x1a0/0x1a0 [ 302.920137] 2*256kB [ 302.922889] ? hrtimer_start_range_ns+0xe00/0xe00 [ 302.927444] (M) [ 302.929825] ? pvclock_read_flags+0x160/0x160 [ 302.934639] 4*512kB [ 302.936607] ? trace_hardirqs_on+0x310/0x310 [ 302.941074] (UM) [ 302.943404] ? kvm_clock_read+0x18/0x30 [ 302.947781] 3*1024kB [ 302.949838] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 302.953786] (M) [ 302.956190] ? ktime_get_update_offsets_now+0x3b6/0x550 [ 302.961180] 1*2048kB [ 302.963148] ? do_timer+0x50/0x50 [ 302.968480] (U) [ 302.970884] ? trace_hardirqs_on+0x310/0x310 [ 302.974314] 4*4096kB [ 302.976284] ? do_raw_spin_lock+0xc1/0x200 [ 302.980661] (M) [ 302.983071] hrtimer_interrupt+0x313/0x780 [ 302.987278] = 24940kB [ 302.989262] smp_apic_timer_interrupt+0x1a1/0x760 [ 302.993453] Node 0 [ 302.995861] ? smp_call_function_single_interrupt+0x650/0x650 [ 303.000677] Normal: [ 303.002904] ? interrupt_entry+0xb5/0xf0 [ 303.008762] 667*4kB [ 303.011079] ? trace_hardirqs_off_caller+0xbb/0x300 [ 303.015122] (UMEH) [ 303.017444] ? ____cache_alloc_node+0x1c7/0x1e0 [ 303.022432] 358*8kB [ 303.024664] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 303.029304] (UMEH) [ 303.031618] ? trace_hardirqs_off+0x300/0x300 [ 303.036433] 191*16kB (UMEH) [ 303.038681] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 303.043154] 81*32kB [ 303.046168] apic_timer_interrupt+0xf/0x20 [ 303.050977] (UMEH) [ 303.053297] RIP: 0010:kmem_cache_alloc_node+0x247/0x730 [ 303.057503] 30*64kB [ 303.059733] Code: 40 7e 0f 85 32 ff ff ff e8 a5 c3 3e ff e9 28 ff ff ff e8 bc 20 c3 ff 48 83 3d 5c 6f 90 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 9a 42 [ 303.065068] (UMH) [ 303.067398] RSP: 0000:ffff8801dae07450 EFLAGS: 00000282 [ 303.086276] 1*128kB (M) [ 303.088419] ORIG_RAX: ffffffffffffff13 [ 303.093764] 3*256kB [ 303.096420] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff10033f2e5a9 [ 303.100370] (UH) [ 303.102680] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 303.109929] 0*512kB [ 303.111977] RBP: ffff8801dae074c0 R08: ffff88019f972d48 R09: 0000000000000002 [ 303.119227] 0*1024kB [ 303.121540] R10: 0000000000000000 R11: ffff88019f972480 R12: ffff8801d9be7680 [ 303.129056] 0*2048kB 0*4096kB [ 303.131478] R13: ffff8801d9be7680 R14: 0000000000000000 R15: 0000000000000282 [ 303.138728] = 13996kB [ 303.141917] ? apic_timer_interrupt+0xa/0x20 [ 303.149684] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 303.152109] ? ipv6_get_ifaddr+0x42e/0x620 [ 303.156479] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 303.165304] __alloc_skb+0x119/0x770 [ 303.169505] 414 total pagecache pages [ 303.178077] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 303.181768] 0 pages in swap cache [ 303.185558] ? skb_scrub_packet+0x490/0x490 [ 303.190811] Swap cache stats: add 0, delete 0, find 0/0 [ 303.194253] ? lock_downgrade+0x900/0x900 [ 303.198546] Free swap = 0kB [ 303.203902] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.208020] Total swap = 0kB [ 303.211034] ? refcount_sub_and_test_checked+0x203/0x310 [ 303.216543] 1965979 pages RAM [ 303.219563] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 303.224981] 0 pages HighMem/MovableOnly [ 303.224990] 342744 pages reserved [ 303.228087] ? addrconf_rs_timer+0x6f0/0x6f0 [ 303.233516] 0 pages cma reserved [ 303.237489] ndisc_alloc_skb+0x144/0x340 [ 303.240970] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 303.245312] ndisc_send_rs+0x331/0x6e0 [ 303.248745] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 303.252710] addrconf_rs_timer+0x3c0/0x6f0 [ 303.259173] syz-executor1 cpuset= [ 303.263053] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 303.273508] / [ 303.277747] call_timer_fn+0x272/0x920 [ 303.281170] mems_allowed=0 [ 303.285391] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 303.298113] ? process_timeout+0x40/0x40 [ 303.302177] ? find_held_lock+0x36/0x1c0 [ 303.306246] ? __run_timers+0x7da/0xc70 [ 303.310222] ? _raw_spin_unlock_irq+0x27/0x80 [ 303.314720] ? _raw_spin_unlock_irq+0x27/0x80 [ 303.319213] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 303.323448] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 303.328034] ? trace_hardirqs_on+0xbd/0x310 [ 303.332367] ? kasan_check_read+0x11/0x20 [ 303.336518] ? __run_timers+0x7da/0xc70 [ 303.340495] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 303.345953] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 303.350193] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 303.354435] __run_timers+0x7e5/0xc70 [ 303.358250] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 303.363619] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 303.368634] ? graph_lock+0x170/0x170 [ 303.372438] ? enqueue_hrtimer+0x1a5/0x560 [ 303.376671] ? lock_release+0x970/0x970 [ 303.380649] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 303.385846] ? find_held_lock+0x36/0x1c0 [ 303.389928] ? graph_lock+0x170/0x170 [ 303.393731] ? pvclock_read_flags+0x160/0x160 [ 303.398226] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.403768] ? check_preemption_disabled+0x48/0x200 [ 303.408804] ? __lock_is_held+0xb5/0x140 [ 303.412868] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.418406] ? check_preemption_disabled+0x48/0x200 [ 303.423428] run_timer_softirq+0x52/0xb0 [ 303.427487] ? rcu_read_lock_sched_held+0x108/0x120 [ 303.432535] __do_softirq+0x30b/0xad8 [ 303.436348] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 303.441463] ? pvclock_read_flags+0x160/0x160 [ 303.445960] ? lapic_next_event+0x5a/0x90 [ 303.450116] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.455661] ? check_preemption_disabled+0x48/0x200 [ 303.460676] ? check_preemption_disabled+0x48/0x200 [ 303.465700] ? kvm_clock_read+0x18/0x30 [ 303.469676] ? kvm_sched_clock_read+0x9/0x20 [ 303.474086] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.479650] ? check_preemption_disabled+0x48/0x200 [ 303.484681] irq_exit+0x17f/0x1c0 [ 303.488138] smp_apic_timer_interrupt+0x1cb/0x760 [ 303.492979] ? smp_reschedule_interrupt+0x109/0x650 [ 303.497999] ? smp_call_function_single_interrupt+0x650/0x650 [ 303.503885] ? interrupt_entry+0xb5/0xf0 [ 303.507950] ? trace_hardirqs_off_caller+0xbb/0x300 [ 303.512978] ? trace_hardirqs_off_caller+0xbb/0x300 [ 303.517989] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 303.522832] ? trace_hardirqs_off+0x300/0x300 [ 303.527326] ? trace_hardirqs_off+0x300/0x300 [ 303.531825] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.537369] ? check_preemption_disabled+0x48/0x200 [ 303.542383] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.547930] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 303.552784] apic_timer_interrupt+0xf/0x20 [ 303.557013] [ 303.559252] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 303.564183] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 303.583080] RSP: 0000:ffff88019f217748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 303.590798] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 303.598064] RDX: 0000000000000000 RSI: ffff88019f972d00 RDI: 0000000000000282 [ 303.605338] RBP: ffff88019f2177b0 R08: ffff88019f972480 R09: 0000000000000000 [ 303.612610] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 303.619880] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 303.627190] skb_clone+0x1bb/0x500 [ 303.630729] ? finish_task_switch+0x2f5/0x900 [ 303.635225] ? skb_split+0x11e0/0x11e0 [ 303.639137] ? preempt_notifier_register+0x200/0x200 [ 303.644243] ? __switch_to_asm+0x34/0x70 [ 303.648307] ? __switch_to_asm+0x34/0x70 [ 303.652372] ? __switch_to_asm+0x40/0x70 [ 303.656433] ? __switch_to_asm+0x34/0x70 [ 303.660494] ? __switch_to_asm+0x40/0x70 [ 303.664552] ? __switch_to_asm+0x34/0x70 [ 303.668608] ? __switch_to_asm+0x40/0x70 [ 303.672663] ? __switch_to_asm+0x34/0x70 [ 303.676723] ? __switch_to_asm+0x34/0x70 [ 303.680782] ? __switch_to_asm+0x40/0x70 [ 303.684838] ? __switch_to_asm+0x34/0x70 [ 303.688908] bpf_clone_redirect+0xb9/0x490 [ 303.693142] ? __schedule+0x874/0x1ed0 [ 303.697038] bpf_prog_a2323609a0d1adb1+0x624/0x1000 [ 303.702059] ? __sched_text_start+0x8/0x8 [ 303.706214] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 303.710986] ? find_held_lock+0x36/0x1c0 [ 303.715055] ? lock_acquire+0x1ed/0x520 [ 303.719031] ? bpf_test_run+0x32e/0x5a0 [ 303.723004] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 303.728548] ? check_preemption_disabled+0x48/0x200 [ 303.733569] ? kasan_check_read+0x11/0x20 [ 303.737734] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 303.743015] ? rcu_bh_qs+0xc0/0xc0 [ 303.746558] ? preempt_schedule+0x4d/0x60 [ 303.750704] ? ___preempt_schedule+0x16/0x18 [ 303.755124] ? bpf_test_run+0x1c0/0x5a0 [ 303.759118] ? netlink_diag_dump+0x2a0/0x2a0 [ 303.763529] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.769066] ? bpf_test_init.isra.9+0x70/0x100 [ 303.773663] ? bpf_prog_test_run_skb+0x634/0xb40 [ 303.778429] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 303.783272] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 303.788808] ? fput+0x130/0x1a0 [ 303.792089] ? __bpf_prog_get+0x9b/0x290 [ 303.796160] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 303.801002] ? bpf_prog_test_run+0x130/0x1a0 [ 303.805415] ? __x64_sys_bpf+0x3d8/0x510 [ 303.809475] ? bpf_prog_get+0x20/0x20 [ 303.813299] ? do_syscall_64+0x1b9/0x820 [ 303.817368] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 303.822732] ? syscall_return_slowpath+0x5e0/0x5e0 [ 303.827663] ? trace_hardirqs_off+0x300/0x300 [ 303.832159] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 303.837178] ? recalc_sigpending_tsk+0x180/0x180 [ 303.841939] ? kasan_check_write+0x14/0x20 [ 303.846180] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 303.851033] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 303.856419] CPU: 1 PID: 5351 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51 [ 303.856795] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 303.863605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 303.863614] Call Trace: [ 303.870192] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 303.879441] [ 303.882008] syz-executor0 cpuset= [ 303.892481] dump_stack+0x1c4/0x2b4 [ 303.894604] syz0 [ 303.898050] ? dump_stack_print_info.cold.2+0x52/0x52 [ 303.901652] mems_allowed=0 [ 303.903628] warn_alloc.cold.118+0xb7/0x1bd [ 303.916011] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 303.920866] ? lock_downgrade+0x900/0x900 [ 303.925027] ? trace_hardirqs_off+0xb8/0x300 [ 303.929441] ? trace_hardirqs_off+0xb8/0x300 [ 303.933861] __alloc_pages_slowpath+0x2667/0x2d80 [ 303.938739] ? warn_alloc+0x120/0x120 [ 303.942544] ? trace_hardirqs_on+0x310/0x310 [ 303.946985] ? warn_alloc+0x120/0x120 [ 303.950789] ? print_usage_bug+0xc0/0xc0 [ 303.954849] ? warn_alloc+0x120/0x120 [ 303.958657] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 303.963672] ? print_usage_bug+0xc0/0xc0 [ 303.967733] ? __lock_acquire+0x7ec/0x4ec0 [ 303.971969] ? __lock_acquire+0x7ec/0x4ec0 [ 303.976204] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 303.981745] ? should_fail+0x22d/0xd01 [ 303.985641] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 303.990743] ? __lock_acquire+0x7ec/0x4ec0 [ 303.994983] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 304.000083] ? __lock_acquire+0x7ec/0x4ec0 [ 304.004324] ? should_fail+0x22d/0xd01 [ 304.008213] ? print_usage_bug+0xc0/0xc0 [ 304.012283] ? mark_held_locks+0x130/0x130 [ 304.016526] ? mark_held_locks+0x130/0x130 [ 304.020771] ? graph_lock+0x170/0x170 [ 304.024573] ? print_usage_bug+0xc0/0xc0 [ 304.028635] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 304.033393] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.038934] ? check_preemption_disabled+0x48/0x200 [ 304.043950] ? check_preemption_disabled+0x48/0x200 [ 304.048975] ? __lock_is_held+0xb5/0x140 [ 304.053047] __alloc_pages_nodemask+0xa80/0xde0 [ 304.057766] ? graph_lock+0x170/0x170 [ 304.061568] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 304.066582] ? graph_lock+0x170/0x170 [ 304.070393] ? find_held_lock+0x36/0x1c0 [ 304.074466] ? ____cache_alloc_node+0x1c7/0x1e0 [ 304.079139] ? lock_downgrade+0x900/0x900 [ 304.083302] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.088844] cache_grow_begin+0x91/0x8c0 [ 304.092913] ? do_raw_spin_unlock+0xa7/0x2f0 [ 304.097331] fallback_alloc+0x203/0x2e0 [ 304.101317] ____cache_alloc_node+0x1c7/0x1e0 [ 304.105819] kmem_cache_alloc_node+0xe3/0x730 [ 304.110317] ? ipv6_get_ifaddr+0x42e/0x620 [ 304.114565] __alloc_skb+0x119/0x770 [ 304.118288] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 304.123571] ? skb_scrub_packet+0x490/0x490 [ 304.127890] ? lock_downgrade+0x900/0x900 [ 304.132056] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.137617] ? refcount_sub_and_test_checked+0x203/0x310 [ 304.143086] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 304.148541] ? addrconf_rs_timer+0x6f0/0x6f0 [ 304.152963] ndisc_alloc_skb+0x144/0x340 [ 304.157033] ndisc_send_rs+0x331/0x6e0 [ 304.160925] addrconf_rs_timer+0x3c0/0x6f0 [ 304.165176] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.169424] call_timer_fn+0x272/0x920 [ 304.173311] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.177555] ? process_timeout+0x40/0x40 [ 304.181618] ? find_held_lock+0x36/0x1c0 [ 304.185693] ? __run_timers+0x7da/0xc70 [ 304.189673] ? _raw_spin_unlock_irq+0x27/0x80 [ 304.194166] ? _raw_spin_unlock_irq+0x27/0x80 [ 304.198662] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.202902] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 304.207487] ? trace_hardirqs_on+0xbd/0x310 [ 304.211807] ? kasan_check_read+0x11/0x20 [ 304.215961] ? __run_timers+0x7da/0xc70 [ 304.219940] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 304.225399] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.229639] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 304.233877] __run_timers+0x7e5/0xc70 [ 304.237692] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 304.243055] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 304.248076] ? graph_lock+0x170/0x170 [ 304.251893] ? enqueue_hrtimer+0x1a5/0x560 [ 304.256132] ? lock_release+0x970/0x970 [ 304.260582] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 304.265781] ? find_held_lock+0x36/0x1c0 [ 304.269859] ? pvclock_read_flags+0x160/0x160 [ 304.274356] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.279901] ? check_preemption_disabled+0x48/0x200 [ 304.284926] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 304.290462] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 304.295738] ? rcu_pm_notify+0xc0/0xc0 [ 304.299626] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.305165] ? check_preemption_disabled+0x48/0x200 [ 304.310194] run_timer_softirq+0x52/0xb0 [ 304.314254] ? rcu_read_lock_sched_held+0x108/0x120 [ 304.319273] __do_softirq+0x30b/0xad8 [ 304.323090] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 304.328210] ? pvclock_read_flags+0x160/0x160 [ 304.332705] ? lapic_next_event+0x5a/0x90 [ 304.336858] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.342398] ? check_preemption_disabled+0x48/0x200 [ 304.347418] ? check_preemption_disabled+0x48/0x200 [ 304.352441] ? kvm_clock_read+0x18/0x30 [ 304.356417] ? kvm_sched_clock_read+0x9/0x20 [ 304.360828] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.366375] ? check_preemption_disabled+0x48/0x200 [ 304.371404] irq_exit+0x17f/0x1c0 [ 304.374866] smp_apic_timer_interrupt+0x1cb/0x760 [ 304.379712] ? smp_reschedule_interrupt+0x109/0x650 [ 304.384732] ? smp_call_function_single_interrupt+0x650/0x650 [ 304.390614] ? interrupt_entry+0xb5/0xf0 [ 304.394683] ? trace_hardirqs_off_caller+0xbb/0x300 [ 304.399697] ? trace_hardirqs_off_caller+0xbb/0x300 [ 304.404713] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 304.409555] ? trace_hardirqs_off+0x300/0x300 [ 304.414050] ? trace_hardirqs_off+0x300/0x300 [ 304.418546] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.424086] ? check_preemption_disabled+0x48/0x200 [ 304.429120] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.434671] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 304.439525] apic_timer_interrupt+0xf/0x20 [ 304.443755] [ 304.445993] RIP: 0010:_raw_write_unlock_irq+0x56/0x80 [ 304.451181] Code: 52 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d ab aa 92 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 f0 ec 95 f9 65 8b 05 a9 6e 42 78 85 c0 74 05 5b [ 304.470080] RSP: 0018:ffff8801d8cf7350 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 304.477797] RAX: dffffc0000000000 RBX: ffffffff894090c0 RCX: 0000000000000000 [ 304.485067] RDX: 1ffffffff12a4537 RSI: 0000000000000001 RDI: ffffffff895229b8 [ 304.492343] RBP: ffff8801d8cf7358 R08: ffff8801c24ca580 R09: 0000000000000000 [ 304.499611] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d70737c0 [ 304.506883] R13: ffff8801d8cf7490 R14: 0000000000000000 R15: ffff8801c24cab00 [ 304.514189] do_exit+0x11ef/0x2610 [ 304.517733] ? mem_cgroup_commit_charge+0x275/0x9d0 [ 304.522756] ? mm_update_next_owner+0x990/0x990 [ 304.527429] ? print_usage_bug+0xc0/0xc0 [ 304.531491] ? graph_lock+0x170/0x170 [ 304.535296] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.540834] ? check_preemption_disabled+0x48/0x200 [ 304.545873] ? check_preemption_disabled+0x48/0x200 [ 304.550889] ? print_usage_bug+0xc0/0xc0 [ 304.554953] ? __lock_acquire+0x7ec/0x4ec0 [ 304.559194] ? __lock_acquire+0x7ec/0x4ec0 [ 304.563446] ? mark_held_locks+0x130/0x130 [ 304.567693] ? mark_held_locks+0x130/0x130 [ 304.571932] ? finish_task_switch+0x1b5/0x900 [ 304.576431] ? __switch_to_asm+0x34/0x70 [ 304.580498] ? __switch_to_asm+0x34/0x70 [ 304.584556] ? __switch_to_asm+0x34/0x70 [ 304.588617] ? __switch_to_asm+0x40/0x70 [ 304.592678] ? __switch_to_asm+0x34/0x70 [ 304.596733] ? __switch_to_asm+0x40/0x70 [ 304.600790] ? __switch_to_asm+0x34/0x70 [ 304.604847] ? __switch_to_asm+0x34/0x70 [ 304.608911] ? __switch_to_asm+0x34/0x70 [ 304.612970] ? __switch_to_asm+0x34/0x70 [ 304.617027] ? __switch_to_asm+0x40/0x70 [ 304.621085] ? __switch_to_asm+0x34/0x70 [ 304.625153] ? __switch_to_asm+0x40/0x70 [ 304.629224] ? graph_lock+0x170/0x170 [ 304.633030] ? graph_lock+0x170/0x170 [ 304.636831] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 304.642375] ? wait_consider_task+0x245/0x3bb0 [ 304.646964] ? memset+0x31/0x40 [ 304.650255] ? find_held_lock+0x36/0x1c0 [ 304.654331] ? get_signal+0x95b/0x1980 [ 304.658223] ? _raw_spin_unlock_irq+0x27/0x80 [ 304.662719] ? _raw_spin_unlock_irq+0x27/0x80 [ 304.667223] do_group_exit+0x177/0x440 [ 304.671119] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 304.676571] ? __ia32_sys_exit+0x50/0x50 [ 304.680645] get_signal+0x8b0/0x1980 [ 304.684368] ? ptrace_notify+0x130/0x130 [ 304.688429] ? do_wait+0x57d/0xb90 [ 304.691977] ? wait_consider_task+0x3bb0/0x3bb0 [ 304.696643] ? graph_lock+0x170/0x170 [ 304.700441] ? graph_lock+0x170/0x170 [ 304.704243] ? graph_lock+0x170/0x170 [ 304.708059] do_signal+0x9c/0x21e0 [ 304.711603] ? find_held_lock+0x36/0x1c0 [ 304.715676] ? setup_sigcontext+0x7d0/0x7d0 [ 304.720002] ? kernel_wait4+0x2e0/0x3f0 [ 304.723977] ? __ia32_sys_waitid+0x140/0x140 [ 304.728404] ? task_stopped_code+0x190/0x190 [ 304.732814] ? exit_to_usermode_loop+0x8c/0x380 [ 304.737500] ? __do_page_fault+0x4a6/0xed0 [ 304.741740] ? do_syscall_64+0x9a/0x820 [ 304.745716] ? do_syscall_64+0x9a/0x820 [ 304.749697] exit_to_usermode_loop+0x2e5/0x380 [ 304.754285] ? syscall_slow_exit_work+0x520/0x520 [ 304.759186] do_syscall_64+0x6be/0x820 [ 304.763087] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 304.768475] ? syscall_return_slowpath+0x5e0/0x5e0 [ 304.773419] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 304.778268] ? trace_hardirqs_off+0x300/0x300 [ 304.782768] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 304.787789] ? prepare_exit_to_usermode+0x291/0x3b0 [ 304.792812] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 304.797666] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 304.802852] RIP: 0033:0x410e7a [ 304.806071] Code: Bad RIP value. [ 304.809457] RSP: 002b:00007ffdfa797988 EFLAGS: 00000246 ORIG_RAX: 000000000000003d [ 304.817171] RAX: fffffffffffffe00 RBX: 00000000000014f2 RCX: 0000000000410e7a [ 304.824444] RDX: 0000000040000000 RSI: 00007ffdfa797994 RDI: ffffffffffffffff [ 304.831714] RBP: 0000000000930b28 R08: 00000000000014e7 R09: 00000000024eb940 [ 304.839014] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010 [ 304.846304] R13: 0000000000412a80 R14: 0000000000000000 R15: 0000000000000000 [ 304.853611] CPU: 0 PID: 9562 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51 [ 304.853613] Mem-Info: [ 304.853642] active_anon:43308 inactive_anon:372 isolated_anon:0 [ 304.853642] active_file:9 inactive_file:26 isolated_file:0 [ 304.853642] unevictable:0 dirty:0 writeback:0 unstable:0 [ 304.853642] slab_reclaimable:8855 slab_unreclaimable:1462387 [ 304.853642] mapped:57522 shmem:379 pagetables:727 bounce:0 [ 304.853642] free:13711 free_pcp:202 free_cma:0 [ 304.860810] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 304.863254] Node 0 active_anon:173232kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 304.896025] Call Trace: [ 304.905364] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 304.933162] [ 304.935738] lowmem_reserve[]: [ 304.961863] dump_stack+0x1c4/0x2b4 [ 304.963993] 0 [ 304.967089] ? dump_stack_print_info.cold.2+0x52/0x52 [ 304.970691] 2817 6321 [ 304.972508] warn_alloc.cold.118+0xb7/0x1bd [ 304.977658] 6321 [ 304.980147] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 304.986500] ? lock_downgrade+0x900/0x900 [ 304.991314] Node 0 DMA32 free:24940kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 304.995501] ? trace_hardirqs_off+0xb8/0x300 [ 304.995521] ? trace_hardirqs_off+0xb8/0x300 [ 305.022910] lowmem_reserve[]: 0 [ 305.027358] __alloc_pages_slowpath+0x2667/0x2d80 [ 305.031720] 0 3503 [ 305.035035] ? warn_alloc+0x120/0x120 [ 305.039824] 3503 [ 305.042084] ? trace_hardirqs_on+0x310/0x310 [ 305.045872] Node 0 [ 305.047954] ? warn_alloc+0x120/0x120 [ 305.052374] Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:169136kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5568kB pagetables:2908kB bounce:0kB free_pcp:808kB local_pcp:692kB free_cma:0kB [ 305.054584] ? print_usage_bug+0xc0/0xc0 [ 305.058349] lowmem_reserve[]: 0 [ 305.086865] ? warn_alloc+0x120/0x120 [ 305.090903] 0 [ 305.094181] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 305.101499] 0 0 [ 305.103320] ? print_usage_bug+0xc0/0xc0 [ 305.110279] ? __lock_acquire+0x7ec/0x4ec0 [ 305.114315] Node 0 [ 305.118746] ? __lock_acquire+0x7ec/0x4ec0 [ 305.118758] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 305.118767] ? should_fail+0x22d/0xd01 [ 305.118778] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 305.118786] ? __lock_acquire+0x7ec/0x4ec0 [ 305.118797] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 305.118803] ? __lock_acquire+0x7ec/0x4ec0 [ 305.118810] ? should_fail+0x22d/0xd01 [ 305.118817] ? print_usage_bug+0xc0/0xc0 [ 305.118830] ? mark_held_locks+0x130/0x130 [ 305.118840] ? mark_held_locks+0x130/0x130 [ 305.118852] ? graph_lock+0x170/0x170 [ 305.118864] ? print_usage_bug+0xc0/0xc0 [ 305.118879] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 305.118895] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.121120] DMA: [ 305.125903] ? check_preemption_disabled+0x48/0x200 [ 305.131415] 1*4kB [ 305.135295] ? check_preemption_disabled+0x48/0x200 [ 305.140368] (U) [ 305.144603] ? __lock_is_held+0xb5/0x140 [ 305.149672] 0*8kB [ 305.153908] __alloc_pages_nodemask+0xa80/0xde0 [ 305.157764] 0*16kB 1*32kB [ 305.161840] ? graph_lock+0x170/0x170 [ 305.166045] (U) [ 305.170274] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 305.174046] 2*64kB [ 305.178115] ? graph_lock+0x170/0x170 [ 305.182860] (U) [ 305.188399] ? find_held_lock+0x36/0x1c0 [ 305.190448] 1*128kB [ 305.195460] ? ____cache_alloc_node+0x1c7/0x1e0 [ 305.197576] (U) [ 305.202590] ? lock_downgrade+0x900/0x900 [ 305.204534] 1*256kB (U) [ 305.208600] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.210719] 0*512kB [ 305.215386] cache_grow_begin+0x91/0x8c0 [ 305.218200] 1*1024kB [ 305.222001] ? do_raw_spin_unlock+0xa7/0x2f0 [ 305.223945] (U) 1*2048kB [ 305.228970] fallback_alloc+0x203/0x2e0 [ 305.231177] (M) [ 305.234972] ____cache_alloc_node+0x1c7/0x1e0 [ 305.236920] 3*4096kB [ 305.240979] kmem_cache_alloc_node+0xe3/0x730 [ 305.243274] (M) [ 305.247942] ? ipv6_get_ifaddr+0x42e/0x620 [ 305.249894] = 15908kB [ 305.254078] __alloc_skb+0x119/0x770 [ 305.256719] Node 0 [ 305.262251] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 305.264548] DMA32: [ 305.268608] ? skb_scrub_packet+0x490/0x490 [ 305.270991] 3*4kB [ 305.275406] ? lock_downgrade+0x900/0x900 [ 305.278141] (UM) [ 305.282122] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.284066] 2*8kB [ 305.288557] ? refcount_sub_and_test_checked+0x203/0x310 [ 305.290940] (U) [ 305.295431] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 305.297383] 5*16kB [ 305.301613] ? addrconf_rs_timer+0x6f0/0x6f0 [ 305.303996] (UM) [ 305.307716] ndisc_alloc_skb+0x144/0x340 [ 305.309914] 2*32kB [ 305.315185] ndisc_send_rs+0x331/0x6e0 [ 305.317398] (UM) [ 305.321713] addrconf_rs_timer+0x3c0/0x6f0 [ 305.323833] 3*64kB [ 305.327983] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 305.330018] (UM) [ 305.335556] call_timer_fn+0x272/0x920 [ 305.337671] 4*128kB [ 305.343121] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 305.345069] (UM) [ 305.350528] ? process_timeout+0x40/0x40 [ 305.352739] 2*256kB [ 305.357132] ? find_held_lock+0x36/0x1c0 [ 305.357156] ? __run_timers+0x7da/0xc70 [ 305.359186] (M) [ 305.363238] ? _raw_spin_unlock_irq+0x27/0x80 [ 305.365447] 4*512kB [ 305.369325] ? _raw_spin_unlock_irq+0x27/0x80 [ 305.371360] (UM) 3*1024kB [ 305.375603] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 305.377813] (M) [ 305.382042] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 305.384080] 1*2048kB [ 305.387976] ? trace_hardirqs_on+0xbd/0x310 [ 305.390273] (U) [ 305.394504] ? kasan_check_read+0x11/0x20 [ 305.396542] 4*4096kB [ 305.400599] ? __run_timers+0x7da/0xc70 [ 305.402896] (M) [ 305.406948] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 305.410890] = 24940kB [ 305.412859] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 305.417327] Node 0 [ 305.419651] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 305.424139] Normal: [ 305.426981] __run_timers+0x7e5/0xc70 [ 305.431184] 667*4kB [ 305.433162] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 305.437708] (UMEH) [ 305.440119] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 305.444409] 358*8kB (UMEH) [ 305.446394] ? graph_lock+0x170/0x170 [ 305.450511] 191*16kB (UMEH) [ 305.452927] ? enqueue_hrtimer+0x1a5/0x560 [ 305.456878] 81*32kB [ 305.458850] ? lock_release+0x970/0x970 [ 305.464277] (UMEH) [ 305.466683] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 305.470887] 30*64kB (UMH) [ 305.473144] ? find_held_lock+0x36/0x1c0 [ 305.477350] 1*128kB [ 305.479686] ? graph_lock+0x170/0x170 [ 305.483456] (M) [ 305.485776] ? pvclock_read_flags+0x160/0x160 [ 305.491117] 3*256kB [ 305.493362] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.498371] (UH) [ 305.501310] ? check_preemption_disabled+0x48/0x200 [ 305.505077] 0*512kB [ 305.508114] ? __lock_is_held+0xb5/0x140 [ 305.512316] 0*1024kB [ 305.514636] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.518579] 0*2048kB [ 305.520810] ? check_preemption_disabled+0x48/0x200 [ 305.525971] 0*4096kB = 13996kB [ 305.528850] run_timer_softirq+0x52/0xb0 [ 305.532904] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 305.535225] ? rcu_read_lock_sched_held+0x108/0x120 [ 305.539005] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 305.540972] __do_softirq+0x30b/0xad8 [ 305.545436] 414 total pagecache pages [ 305.547758] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 305.553272] 0 pages in swap cache [ 305.555336] ? pvclock_read_flags+0x160/0x160 [ 305.560328] Swap cache stats: add 0, delete 0, find 0/0 [ 305.562643] ? lapic_next_event+0x5a/0x90 [ 305.566676] Free swap = 0kB [ 305.569078] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.574589] Total swap = 0kB [ 305.576998] ? check_preemption_disabled+0x48/0x200 [ 305.582014] 1965979 pages RAM [ 305.585214] ? check_preemption_disabled+0x48/0x200 [ 305.589245] 0 pages HighMem/MovableOnly [ 305.598078] ? kvm_clock_read+0x18/0x30 [ 305.603062] 342744 pages reserved [ 305.603071] 0 pages cma reserved [ 305.611659] ? kvm_sched_clock_read+0x9/0x20 [ 305.615491] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 305.619224] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.619241] ? check_preemption_disabled+0x48/0x200 [ 305.619267] irq_exit+0x17f/0x1c0 [ 305.624403] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 305.627799] smp_apic_timer_interrupt+0x1cb/0x760 [ 305.632273] syz-executor1 cpuset= [ 305.637637] ? smp_reschedule_interrupt+0x109/0x650 [ 305.641755] / [ 305.644767] ? smp_call_function_single_interrupt+0x650/0x650 [ 305.650283] mems_allowed=0 [ 305.653303] ? interrupt_entry+0xb5/0xf0 [ 305.744230] ? trace_hardirqs_off_caller+0xbb/0x300 [ 305.749255] ? trace_hardirqs_off_caller+0xbb/0x300 [ 305.754278] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 305.759136] ? trace_hardirqs_off+0x300/0x300 [ 305.763641] ? trace_hardirqs_off+0x300/0x300 [ 305.768144] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 305.773686] ? check_preemption_disabled+0x48/0x200 [ 305.778704] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 305.784254] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 305.789121] apic_timer_interrupt+0xf/0x20 [ 305.793389] [ 305.795634] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 305.800563] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 305.819476] RSP: 0000:ffff88019f217748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 305.827203] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 305.834484] RDX: 0000000000000000 RSI: ffff88019f972d00 RDI: 0000000000000282 [ 305.841763] RBP: ffff88019f2177b0 R08: ffff88019f972480 R09: 0000000000000000 [ 305.849038] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 305.856311] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 305.863637] skb_clone+0x1bb/0x500 [ 305.867182] ? finish_task_switch+0x2f5/0x900 [ 305.871692] ? skb_split+0x11e0/0x11e0 [ 305.875590] ? preempt_notifier_register+0x200/0x200 [ 305.880699] ? __switch_to_asm+0x34/0x70 [ 305.884758] ? __switch_to_asm+0x34/0x70 [ 305.888817] ? __switch_to_asm+0x40/0x70 [ 305.892879] ? __switch_to_asm+0x34/0x70 [ 305.896943] ? __switch_to_asm+0x40/0x70 [ 305.901009] ? __switch_to_asm+0x34/0x70 [ 305.905074] ? __switch_to_asm+0x40/0x70 [ 305.909156] ? __switch_to_asm+0x34/0x70 [ 305.913226] ? __switch_to_asm+0x34/0x70 [ 305.917286] ? __switch_to_asm+0x40/0x70 [ 305.921346] ? __switch_to_asm+0x34/0x70 [ 305.925438] bpf_clone_redirect+0xb9/0x490 [ 305.929681] ? __schedule+0x874/0x1ed0 [ 305.933584] bpf_prog_a2323609a0d1adb1+0x624/0x1000 [ 305.938608] ? __sched_text_start+0x8/0x8 [ 305.942758] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 305.947550] ? find_held_lock+0x36/0x1c0 [ 305.951630] ? lock_acquire+0x1ed/0x520 [ 305.955616] ? bpf_test_run+0x32e/0x5a0 [ 305.959596] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 305.965139] ? check_preemption_disabled+0x48/0x200 [ 305.970164] ? kasan_check_read+0x11/0x20 [ 305.974318] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 305.979607] ? rcu_bh_qs+0xc0/0xc0 [ 305.983155] ? preempt_schedule+0x4d/0x60 [ 305.987305] ? ___preempt_schedule+0x16/0x18 [ 305.991723] ? bpf_test_run+0x1c0/0x5a0 [ 305.995710] ? netlink_diag_dump+0x2a0/0x2a0 [ 306.000133] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 306.005684] ? bpf_test_init.isra.9+0x70/0x100 [ 306.010277] ? bpf_prog_test_run_skb+0x634/0xb40 [ 306.015043] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 306.019891] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 306.025430] ? fput+0x130/0x1a0 [ 306.028717] ? __bpf_prog_get+0x9b/0x290 [ 306.032793] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 306.037646] ? bpf_prog_test_run+0x130/0x1a0 [ 306.042061] ? __x64_sys_bpf+0x3d8/0x510 [ 306.046134] ? bpf_prog_get+0x20/0x20 [ 306.049960] ? do_syscall_64+0x1b9/0x820 [ 306.054025] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 306.059398] ? syscall_return_slowpath+0x5e0/0x5e0 [ 306.064333] ? trace_hardirqs_off+0x300/0x300 [ 306.068878] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 306.073897] ? recalc_sigpending_tsk+0x180/0x180 [ 306.078656] ? kasan_check_write+0x14/0x20 [ 306.082922] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 306.087783] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 306.093172] CPU: 1 PID: 5351 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51 [ 306.093243] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 306.100363] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 306.100369] Call Trace: [ 306.100376] [ 306.100394] dump_stack+0x1c4/0x2b4 [ 306.100415] ? dump_stack_print_info.cold.2+0x52/0x52 [ 306.106979] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 306.116264] warn_alloc.cold.118+0xb7/0x1bd [ 306.118823] syz-executor0 cpuset= [ 306.120974] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 306.124592] syz0 [ 306.129783] ? lock_downgrade+0x900/0x900 [ 306.140254] mems_allowed=0 [ 306.144581] ? trace_hardirqs_off+0xb8/0x300 [ 306.166259] ? trace_hardirqs_off+0xb8/0x300 [ 306.170679] __alloc_pages_slowpath+0x2667/0x2d80 [ 306.175555] ? warn_alloc+0x120/0x120 [ 306.179377] ? warn_alloc+0x120/0x120 [ 306.183212] ? print_usage_bug+0xc0/0xc0 [ 306.187276] ? warn_alloc+0x120/0x120 [ 306.191083] ? print_usage_bug+0xc0/0xc0 [ 306.195170] ? __lock_acquire+0x7ec/0x4ec0 [ 306.199408] ? __lock_acquire+0x7ec/0x4ec0 [ 306.203651] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 306.209191] ? should_fail+0x22d/0xd01 [ 306.213125] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 306.218240] ? __lock_acquire+0x7ec/0x4ec0 [ 306.222486] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 306.227591] ? __lock_acquire+0x7ec/0x4ec0 [ 306.231828] ? should_fail+0x22d/0xd01 [ 306.235729] ? mark_held_locks+0x130/0x130 [ 306.239988] ? mark_held_locks+0x130/0x130 [ 306.244226] ? graph_lock+0x170/0x170 [ 306.248026] ? graph_lock+0x170/0x170 [ 306.251827] ? graph_lock+0x170/0x170 [ 306.255633] ? print_usage_bug+0xc0/0xc0 [ 306.260219] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.265768] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.271312] ? check_preemption_disabled+0x48/0x200 [ 306.276851] ? check_preemption_disabled+0x48/0x200 [ 306.281893] ? __lock_is_held+0xb5/0x140 [ 306.285964] __alloc_pages_nodemask+0xa80/0xde0 [ 306.290647] ? graph_lock+0x170/0x170 [ 306.294454] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 306.299472] ? graph_lock+0x170/0x170 [ 306.303316] ? find_held_lock+0x36/0x1c0 [ 306.307387] ? ____cache_alloc_node+0x1c7/0x1e0 [ 306.312063] ? lock_downgrade+0x900/0x900 [ 306.316229] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.321808] cache_grow_begin+0x91/0x8c0 [ 306.325876] ? do_raw_spin_unlock+0xa7/0x2f0 [ 306.330299] fallback_alloc+0x203/0x2e0 [ 306.334290] ____cache_alloc_node+0x1c7/0x1e0 [ 306.338792] kmem_cache_alloc_node+0xe3/0x730 [ 306.343293] ? ipv6_get_ifaddr+0x42e/0x620 [ 306.347542] __alloc_skb+0x119/0x770 [ 306.351265] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 306.356551] ? skb_scrub_packet+0x490/0x490 [ 306.360882] ? lock_downgrade+0x900/0x900 [ 306.365039] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.370582] ? refcount_sub_and_test_checked+0x203/0x310 [ 306.376038] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 306.381578] ? addrconf_rs_timer+0x6f0/0x6f0 [ 306.386005] ndisc_alloc_skb+0x144/0x340 [ 306.390078] ndisc_send_rs+0x331/0x6e0 [ 306.393980] addrconf_rs_timer+0x3c0/0x6f0 [ 306.398223] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 306.402475] call_timer_fn+0x272/0x920 [ 306.406375] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 306.410619] ? process_timeout+0x40/0x40 [ 306.414683] ? find_held_lock+0x36/0x1c0 [ 306.418752] ? __run_timers+0x7da/0xc70 [ 306.422731] ? _raw_spin_unlock_irq+0x27/0x80 [ 306.427229] ? _raw_spin_unlock_irq+0x27/0x80 [ 306.431724] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 306.435963] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 306.440548] ? trace_hardirqs_on+0xbd/0x310 [ 306.444876] ? kasan_check_read+0x11/0x20 [ 306.449026] ? __run_timers+0x7da/0xc70 [ 306.453001] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 306.458463] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 306.462710] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 306.466947] __run_timers+0x7e5/0xc70 [ 306.470760] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 306.476136] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 306.481164] ? graph_lock+0x170/0x170 [ 306.484972] ? enqueue_hrtimer+0x1a5/0x560 [ 306.489211] ? lock_release+0x970/0x970 [ 306.493188] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 306.498395] ? find_held_lock+0x36/0x1c0 [ 306.502475] ? pvclock_read_flags+0x160/0x160 [ 306.506973] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.512518] ? check_preemption_disabled+0x48/0x200 [ 306.517550] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 306.523087] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 306.528379] ? rcu_pm_notify+0xc0/0xc0 [ 306.532274] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.537822] ? check_preemption_disabled+0x48/0x200 [ 306.542867] run_timer_softirq+0x52/0xb0 [ 306.546930] ? rcu_read_lock_sched_held+0x108/0x120 [ 306.551951] __do_softirq+0x30b/0xad8 [ 306.555784] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 306.560897] ? pvclock_read_flags+0x160/0x160 [ 306.565392] ? lapic_next_event+0x5a/0x90 [ 306.569544] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.575088] ? check_preemption_disabled+0x48/0x200 [ 306.580122] ? check_preemption_disabled+0x48/0x200 [ 306.585152] ? kvm_clock_read+0x18/0x30 [ 306.589140] ? kvm_sched_clock_read+0x9/0x20 [ 306.593553] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.599104] ? check_preemption_disabled+0x48/0x200 [ 306.604142] irq_exit+0x17f/0x1c0 [ 306.607604] smp_apic_timer_interrupt+0x1cb/0x760 [ 306.612453] ? smp_reschedule_interrupt+0x109/0x650 [ 306.617473] ? smp_call_function_single_interrupt+0x650/0x650 [ 306.623356] ? interrupt_entry+0xb5/0xf0 [ 306.627453] ? trace_hardirqs_off_caller+0xbb/0x300 [ 306.632469] ? trace_hardirqs_off_caller+0xbb/0x300 [ 306.637488] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 306.642331] ? trace_hardirqs_off+0x300/0x300 [ 306.646832] ? trace_hardirqs_off+0x300/0x300 [ 306.651334] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.656881] ? check_preemption_disabled+0x48/0x200 [ 306.661902] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.667450] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 306.672306] apic_timer_interrupt+0xf/0x20 [ 306.676538] [ 306.678781] RIP: 0010:_raw_write_unlock_irq+0x56/0x80 [ 306.683973] Code: 52 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d ab aa 92 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 f0 ec 95 f9 65 8b 05 a9 6e 42 78 85 c0 74 05 5b [ 306.702889] RSP: 0018:ffff8801d8cf7350 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 306.710609] RAX: dffffc0000000000 RBX: ffffffff894090c0 RCX: 0000000000000000 [ 306.717916] RDX: 1ffffffff12a4537 RSI: 0000000000000001 RDI: ffffffff895229b8 [ 306.725202] RBP: ffff8801d8cf7358 R08: ffff8801c24ca580 R09: 0000000000000000 [ 306.732467] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d70737c0 [ 306.739740] R13: ffff8801d8cf7490 R14: 0000000000000000 R15: ffff8801c24cab00 [ 306.747047] do_exit+0x11ef/0x2610 [ 306.750592] ? mem_cgroup_commit_charge+0x275/0x9d0 [ 306.755627] ? mm_update_next_owner+0x990/0x990 [ 306.760302] ? print_usage_bug+0xc0/0xc0 [ 306.764365] ? graph_lock+0x170/0x170 [ 306.768172] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.773720] ? check_preemption_disabled+0x48/0x200 [ 306.778836] ? check_preemption_disabled+0x48/0x200 [ 306.783867] ? print_usage_bug+0xc0/0xc0 [ 306.787936] ? __lock_acquire+0x7ec/0x4ec0 [ 306.792182] ? __lock_acquire+0x7ec/0x4ec0 [ 306.796437] ? mark_held_locks+0x130/0x130 [ 306.800681] ? mark_held_locks+0x130/0x130 [ 306.804926] ? finish_task_switch+0x1b5/0x900 [ 306.809434] ? __switch_to_asm+0x34/0x70 [ 306.813509] ? __switch_to_asm+0x34/0x70 [ 306.817574] ? __switch_to_asm+0x34/0x70 [ 306.821631] ? __switch_to_asm+0x40/0x70 [ 306.825689] ? __switch_to_asm+0x34/0x70 [ 306.829753] ? __switch_to_asm+0x40/0x70 [ 306.833818] ? __switch_to_asm+0x34/0x70 [ 306.837881] ? __switch_to_asm+0x34/0x70 [ 306.841939] ? __switch_to_asm+0x34/0x70 [ 306.845998] ? __switch_to_asm+0x34/0x70 [ 306.850059] ? __switch_to_asm+0x40/0x70 [ 306.854131] ? __switch_to_asm+0x34/0x70 [ 306.858193] ? __switch_to_asm+0x40/0x70 [ 306.862263] ? graph_lock+0x170/0x170 [ 306.866065] ? graph_lock+0x170/0x170 [ 306.869880] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 306.875427] ? wait_consider_task+0x245/0x3bb0 [ 306.880011] ? memset+0x31/0x40 [ 306.883297] ? find_held_lock+0x36/0x1c0 [ 306.887367] ? get_signal+0x95b/0x1980 [ 306.891264] ? _raw_spin_unlock_irq+0x27/0x80 [ 306.895758] ? _raw_spin_unlock_irq+0x27/0x80 [ 306.900266] do_group_exit+0x177/0x440 [ 306.904157] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 306.909617] ? __ia32_sys_exit+0x50/0x50 [ 306.913692] get_signal+0x8b0/0x1980 [ 306.917421] ? ptrace_notify+0x130/0x130 [ 306.921484] ? do_wait+0x57d/0xb90 [ 306.925029] ? wait_consider_task+0x3bb0/0x3bb0 [ 306.929701] ? graph_lock+0x170/0x170 [ 306.933503] ? graph_lock+0x170/0x170 [ 306.937309] ? graph_lock+0x170/0x170 [ 306.941134] do_signal+0x9c/0x21e0 [ 306.944678] ? find_held_lock+0x36/0x1c0 [ 306.948778] ? setup_sigcontext+0x7d0/0x7d0 [ 306.953108] ? kernel_wait4+0x2e0/0x3f0 [ 306.957090] ? __ia32_sys_waitid+0x140/0x140 [ 306.961517] ? task_stopped_code+0x190/0x190 [ 306.965930] ? exit_to_usermode_loop+0x8c/0x380 [ 306.970621] ? __do_page_fault+0x4a6/0xed0 [ 306.974869] ? do_syscall_64+0x9a/0x820 [ 306.978843] ? do_syscall_64+0x9a/0x820 [ 306.982832] exit_to_usermode_loop+0x2e5/0x380 [ 306.987430] ? syscall_slow_exit_work+0x520/0x520 [ 306.992290] do_syscall_64+0x6be/0x820 [ 306.996182] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 307.001547] ? syscall_return_slowpath+0x5e0/0x5e0 [ 307.006481] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 307.011331] ? trace_hardirqs_off+0x300/0x300 [ 307.015832] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 307.020860] ? prepare_exit_to_usermode+0x291/0x3b0 [ 307.025909] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 307.030761] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 307.035953] RIP: 0033:0x410e7a [ 307.039150] Code: Bad RIP value. [ 307.042512] RSP: 002b:00007ffdfa797988 EFLAGS: 00000246 ORIG_RAX: 000000000000003d [ 307.050228] RAX: fffffffffffffe00 RBX: 00000000000014f2 RCX: 0000000000410e7a [ 307.057495] RDX: 0000000040000000 RSI: 00007ffdfa797994 RDI: ffffffffffffffff [ 307.064770] RBP: 0000000000930b28 R08: 00000000000014e7 R09: 00000000024eb940 [ 307.072042] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010 [ 307.079309] R13: 0000000000412a80 R14: 0000000000000000 R15: 0000000000000000 [ 307.086609] warn_alloc_show_mem: 1 callbacks suppressed [ 307.086623] CPU: 0 PID: 9562 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51 [ 307.086625] Mem-Info: [ 307.086654] active_anon:43308 inactive_anon:372 isolated_anon:0 [ 307.086654] active_file:9 inactive_file:26 isolated_file:0 [ 307.086654] unevictable:0 dirty:0 writeback:0 unstable:0 [ 307.086654] slab_reclaimable:8855 slab_unreclaimable:1462387 [ 307.086654] mapped:57522 shmem:379 pagetables:727 bounce:0 [ 307.086654] free:13711 free_pcp:202 free_cma:0 [ 307.091995] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 307.092003] Call Trace: [ 307.099198] Node 0 active_anon:173232kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 307.101595] [ 307.134621] Node 0 [ 307.143981] dump_stack+0x1c4/0x2b4 [ 307.146561] 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 [ 307.174294] ? dump_stack_print_info.cold.2+0x52/0x52 [ 307.176423] lowmem_reserve[]: [ 307.178666] warn_alloc.cold.118+0xb7/0x1bd [ 307.182258] 0 [ 307.207761] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 307.212928] 2817 [ 307.216028] ? lock_downgrade+0x900/0x900 [ 307.220324] 6321 [ 307.222130] ? trace_hardirqs_off+0xb8/0x300 [ 307.226939] 6321 [ 307.228995] ? trace_hardirqs_off+0xb8/0x300 [ 307.235183] __alloc_pages_slowpath+0x2667/0x2d80 [ 307.239556] Node 0 [ 307.241636] ? warn_alloc+0x120/0x120 [ 307.246029] DMA32 free:24940kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 307.250843] ? trace_hardirqs_on+0x310/0x310 [ 307.253058] lowmem_reserve[]: [ 307.256851] ? warn_alloc+0x120/0x120 [ 307.283636] 0 0 [ 307.288064] ? print_usage_bug+0xc0/0xc0 [ 307.291134] 3503 [ 307.294930] ? warn_alloc+0x120/0x120 [ 307.296881] 3503 [ 307.300944] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 307.302981] Node 0 [ 307.306773] ? print_usage_bug+0xc0/0xc0 [ 307.308837] Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:169136kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5568kB pagetables:2908kB bounce:0kB free_pcp:808kB local_pcp:692kB free_cma:0kB [ 307.313819] ? __lock_acquire+0x7ec/0x4ec0 [ 307.316022] lowmem_reserve[]: 0 [ 307.320112] ? __lock_acquire+0x7ec/0x4ec0 [ 307.348559] 0 [ 307.352803] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 307.356047] 0 [ 307.360277] ? should_fail+0x22d/0xd01 [ 307.362053] 0 [ 307.367593] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 307.369369] Node 0 [ 307.373254] ? __lock_acquire+0x7ec/0x4ec0 [ 307.375032] DMA: [ 307.380132] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 307.382344] 1*4kB [ 307.386577] ? __lock_acquire+0x7ec/0x4ec0 [ 307.388618] (U) [ 307.393718] ? should_fail+0x22d/0xd01 [ 307.395842] 0*8kB [ 307.400072] ? print_usage_bug+0xc0/0xc0 [ 307.402021] 0*16kB [ 307.405908] ? mark_held_locks+0x130/0x130 [ 307.408033] 1*32kB [ 307.412089] ? mark_held_locks+0x130/0x130 [ 307.414304] (U) [ 307.418541] ? graph_lock+0x170/0x170 [ 307.420748] 2*64kB [ 307.424976] ? print_usage_bug+0xc0/0xc0 [ 307.426924] (U) [ 307.430727] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 307.432937] 1*128kB [ 307.436995] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.438942] (U) [ 307.443692] ? check_preemption_disabled+0x48/0x200 [ 307.445989] 1*256kB [ 307.451522] ? check_preemption_disabled+0x48/0x200 [ 307.453468] (U) [ 307.458491] ? __lock_is_held+0xb5/0x140 [ 307.460785] 0*512kB [ 307.465800] __alloc_pages_nodemask+0xa80/0xde0 [ 307.467746] 1*1024kB (U) [ 307.471809] ? graph_lock+0x170/0x170 [ 307.474117] 1*2048kB [ 307.478818] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 307.481526] (M) [ 307.485342] ? graph_lock+0x170/0x170 [ 307.487727] 3*4096kB [ 307.492743] ? find_held_lock+0x36/0x1c0 [ 307.494684] (M) [ 307.498486] ? ____cache_alloc_node+0x1c7/0x1e0 [ 307.500871] = 15908kB [ 307.504929] ? lock_downgrade+0x900/0x900 [ 307.506885] Node 0 [ 307.511549] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.513923] DMA32: 3*4kB [ 307.518076] cache_grow_begin+0x91/0x8c0 [ 307.520281] (UM) [ 307.525814] ? do_raw_spin_unlock+0xa7/0x2f0 [ 307.528547] 2*8kB [ 307.532618] fallback_alloc+0x203/0x2e0 [ 307.534645] (U) [ 307.539048] ____cache_alloc_node+0x1c7/0x1e0 [ 307.541167] 5*16kB [ 307.545134] kmem_cache_alloc_node+0xe3/0x730 [ 307.547080] (UM) [ 307.551581] ? ipv6_get_ifaddr+0x42e/0x620 [ 307.553789] 2*32kB [ 307.558286] __alloc_skb+0x119/0x770 [ 307.560319] (UM) [ 307.564552] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 307.566760] 3*64kB (UM) [ 307.570475] ? skb_scrub_packet+0x490/0x490 [ 307.572508] 4*128kB [ 307.577796] ? lock_downgrade+0x900/0x900 [ 307.580445] (UM) [ 307.584765] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.587059] 2*256kB [ 307.591201] ? refcount_sub_and_test_checked+0x203/0x310 [ 307.593238] (M) [ 307.598771] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 307.601071] 4*512kB [ 307.606526] ? addrconf_rs_timer+0x6f0/0x6f0 [ 307.608476] (UM) [ 307.613931] ndisc_alloc_skb+0x144/0x340 [ 307.616223] 3*1024kB [ 307.620623] ndisc_send_rs+0x331/0x6e0 [ 307.622658] (M) [ 307.626736] addrconf_rs_timer+0x3c0/0x6f0 [ 307.629117] 1*2048kB [ 307.632998] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.634944] (U) [ 307.639183] call_timer_fn+0x272/0x920 [ 307.641556] 4*4096kB [ 307.645785] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.647736] (M) [ 307.651621] ? process_timeout+0x40/0x40 [ 307.654003] = 24940kB [ 307.658231] ? find_held_lock+0x36/0x1c0 [ 307.660181] Node 0 [ 307.664241] ? __run_timers+0x7da/0xc70 [ 307.666613] Normal: 667*4kB [ 307.670678] ? _raw_spin_unlock_irq+0x27/0x80 [ 307.672883] (UMEH) [ 307.676848] ? _raw_spin_unlock_irq+0x27/0x80 [ 307.679844] 358*8kB [ 307.684337] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.686548] (UMEH) [ 307.691068] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 307.693368] 191*16kB [ 307.697592] ? trace_hardirqs_on+0xbd/0x310 [ 307.699804] (UMEH) [ 307.704382] ? kasan_check_read+0x11/0x20 [ 307.706764] 81*32kB (UMEH) [ 307.711090] ? __run_timers+0x7da/0xc70 [ 307.713308] 30*64kB [ 307.717449] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 307.720350] (UMH) [ 307.724324] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.726622] 1*128kB [ 307.732065] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 307.734188] (M) [ 307.738419] __run_timers+0x7e5/0xc70 [ 307.740716] 3*256kB [ 307.744955] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 307.746900] (UH) [ 307.750711] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 307.753009] 0*512kB [ 307.758367] ? graph_lock+0x170/0x170 [ 307.760402] 0*1024kB [ 307.765415] ? enqueue_hrtimer+0x1a5/0x560 [ 307.767715] 0*2048kB [ 307.771511] ? lock_release+0x970/0x970 [ 307.773896] 0*4096kB [ 307.778127] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 307.780512] = 13996kB [ 307.784485] ? find_held_lock+0x36/0x1c0 [ 307.786878] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 307.792071] ? graph_lock+0x170/0x170 [ 307.794464] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 307.798509] ? pvclock_read_flags+0x160/0x160 [ 307.807328] 414 total pagecache pages [ 307.811136] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.819687] 0 pages in swap cache [ 307.824180] ? check_preemption_disabled+0x48/0x200 [ 307.827951] Swap cache stats: add 0, delete 0, find 0/0 [ 307.827960] Free swap = 0kB [ 307.833499] ? __lock_is_held+0xb5/0x140 [ 307.836917] Total swap = 0kB [ 307.841924] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.847268] 1965979 pages RAM [ 307.850287] ? check_preemption_disabled+0x48/0x200 [ 307.854315] 0 pages HighMem/MovableOnly [ 307.857328] run_timer_softirq+0x52/0xb0 [ 307.862834] 342744 pages reserved [ 307.865933] ? rcu_read_lock_sched_held+0x108/0x120 [ 307.870925] 0 pages cma reserved [ 307.874892] __do_softirq+0x30b/0xad8 [ 307.878984] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 307.882383] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 307.887476] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 307.890744] ? pvclock_read_flags+0x160/0x160 [ 307.894517] syz-executor1 cpuset= [ 307.901001] ? lapic_next_event+0x5a/0x90 [ 307.906103] / [ 307.916603] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.921068] mems_allowed=0 [ 307.924514] ? check_preemption_disabled+0x48/0x200 [ 307.943799] ? check_preemption_disabled+0x48/0x200 [ 307.948839] ? kvm_clock_read+0x18/0x30 [ 307.952820] ? kvm_sched_clock_read+0x9/0x20 [ 307.957235] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 307.962773] ? check_preemption_disabled+0x48/0x200 [ 307.967824] irq_exit+0x17f/0x1c0 [ 307.971287] smp_apic_timer_interrupt+0x1cb/0x760 [ 307.976130] ? smp_reschedule_interrupt+0x109/0x650 [ 307.981149] ? smp_call_function_single_interrupt+0x650/0x650 [ 307.987040] ? interrupt_entry+0xb5/0xf0 [ 307.991116] ? trace_hardirqs_off_caller+0xbb/0x300 [ 307.996136] ? trace_hardirqs_off_caller+0xbb/0x300 [ 308.001153] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 308.006008] ? trace_hardirqs_off+0x300/0x300 [ 308.010506] ? trace_hardirqs_off+0x300/0x300 [ 308.015006] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 308.020544] ? check_preemption_disabled+0x48/0x200 [ 308.025561] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 308.031123] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 308.035981] apic_timer_interrupt+0xf/0x20 [ 308.040211] [ 308.042452] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 308.047388] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 308.066294] RSP: 0000:ffff88019f217748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 308.074015] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 308.081282] RDX: 0000000000000000 RSI: ffff88019f972d00 RDI: 0000000000000282 [ 308.088553] RBP: ffff88019f2177b0 R08: ffff88019f972480 R09: 0000000000000000 [ 308.095824] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 308.103102] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 308.110434] skb_clone+0x1bb/0x500 [ 308.113980] ? finish_task_switch+0x2f5/0x900 [ 308.118478] ? skb_split+0x11e0/0x11e0 [ 308.122374] ? preempt_notifier_register+0x200/0x200 [ 308.127479] ? __switch_to_asm+0x34/0x70 [ 308.131550] ? __switch_to_asm+0x34/0x70 [ 308.135612] ? __switch_to_asm+0x40/0x70 [ 308.139673] ? __switch_to_asm+0x34/0x70 [ 308.143729] ? __switch_to_asm+0x40/0x70 [ 308.147787] ? __switch_to_asm+0x34/0x70 [ 308.151855] ? __switch_to_asm+0x40/0x70 [ 308.155916] ? __switch_to_asm+0x34/0x70 [ 308.159980] ? __switch_to_asm+0x34/0x70 [ 308.164040] ? __switch_to_asm+0x40/0x70 [ 308.168109] ? __switch_to_asm+0x34/0x70 [ 308.172190] bpf_clone_redirect+0xb9/0x490 [ 308.176428] ? __schedule+0x874/0x1ed0 [ 308.180321] bpf_prog_a2323609a0d1adb1+0x624/0x1000 [ 308.185348] ? __sched_text_start+0x8/0x8 [ 308.189516] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 308.194300] ? find_held_lock+0x36/0x1c0 [ 308.198371] ? lock_acquire+0x1ed/0x520 [ 308.202347] ? bpf_test_run+0x32e/0x5a0 [ 308.206332] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.211895] ? check_preemption_disabled+0x48/0x200 [ 308.216921] ? kasan_check_read+0x11/0x20 [ 308.221073] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 308.226363] ? rcu_bh_qs+0xc0/0xc0 [ 308.229913] ? preempt_schedule+0x4d/0x60 [ 308.234070] ? ___preempt_schedule+0x16/0x18 [ 308.238522] ? bpf_test_run+0x1c0/0x5a0 [ 308.242510] ? netlink_diag_dump+0x2a0/0x2a0 [ 308.246924] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 308.252469] ? bpf_test_init.isra.9+0x70/0x100 [ 308.257263] ? bpf_prog_test_run_skb+0x634/0xb40 [ 308.262040] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 308.266879] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 308.272414] ? fput+0x130/0x1a0 [ 308.275700] ? __bpf_prog_get+0x9b/0x290 [ 308.279765] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 308.284603] ? bpf_prog_test_run+0x130/0x1a0 [ 308.289015] ? __x64_sys_bpf+0x3d8/0x510 [ 308.293084] ? bpf_prog_get+0x20/0x20 [ 308.296922] ? do_syscall_64+0x1b9/0x820 [ 308.300981] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 308.306345] ? syscall_return_slowpath+0x5e0/0x5e0 [ 308.311282] ? trace_hardirqs_off+0x300/0x300 [ 308.315788] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 308.320807] ? recalc_sigpending_tsk+0x180/0x180 [ 308.325566] ? kasan_check_write+0x14/0x20 [ 308.329809] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 308.334665] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 308.340049] CPU: 1 PID: 5351 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51 [ 308.340156] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 308.347251] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 308.347256] Call Trace: [ 308.347263] [ 308.347280] dump_stack+0x1c4/0x2b4 [ 308.347298] ? dump_stack_print_info.cold.2+0x52/0x52 [ 308.353860] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 308.363172] warn_alloc.cold.118+0xb7/0x1bd [ 308.365719] syz-executor0 cpuset= [ 308.367867] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 308.371464] syz0 [ 308.376691] ? lock_downgrade+0x900/0x900 [ 308.387167] mems_allowed=0 [ 308.391485] ? trace_hardirqs_off+0xb8/0x300 [ 308.413158] ? trace_hardirqs_off+0xb8/0x300 [ 308.417580] __alloc_pages_slowpath+0x2667/0x2d80 [ 308.422455] ? warn_alloc+0x120/0x120 [ 308.426258] ? trace_hardirqs_on+0x310/0x310 [ 308.430668] ? warn_alloc+0x120/0x120 [ 308.434473] ? print_usage_bug+0xc0/0xc0 [ 308.438537] ? warn_alloc+0x120/0x120 [ 308.442339] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 308.447362] ? print_usage_bug+0xc0/0xc0 [ 308.451435] ? __lock_acquire+0x7ec/0x4ec0 [ 308.455671] ? __lock_acquire+0x7ec/0x4ec0 [ 308.459913] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 308.465453] ? should_fail+0x22d/0xd01 [ 308.469378] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 308.474497] ? __lock_acquire+0x7ec/0x4ec0 [ 308.478741] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 308.483844] ? __lock_acquire+0x7ec/0x4ec0 [ 308.488087] ? should_fail+0x22d/0xd01 [ 308.491983] ? print_usage_bug+0xc0/0xc0 [ 308.496062] ? mark_held_locks+0x130/0x130 [ 308.500314] ? mark_held_locks+0x130/0x130 [ 308.504559] ? graph_lock+0x170/0x170 [ 308.508377] ? print_usage_bug+0xc0/0xc0 [ 308.512443] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 308.517209] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.522754] ? check_preemption_disabled+0x48/0x200 [ 308.527773] ? check_preemption_disabled+0x48/0x200 [ 308.532801] ? __lock_is_held+0xb5/0x140 [ 308.536891] __alloc_pages_nodemask+0xa80/0xde0 [ 308.541568] ? graph_lock+0x170/0x170 [ 308.545379] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 308.550393] ? graph_lock+0x170/0x170 [ 308.554211] ? find_held_lock+0x36/0x1c0 [ 308.558284] ? ____cache_alloc_node+0x1c7/0x1e0 [ 308.562962] ? lock_downgrade+0x900/0x900 [ 308.567130] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.572676] cache_grow_begin+0x91/0x8c0 [ 308.576742] ? do_raw_spin_unlock+0xa7/0x2f0 [ 308.581171] fallback_alloc+0x203/0x2e0 [ 308.585162] ____cache_alloc_node+0x1c7/0x1e0 [ 308.589665] kmem_cache_alloc_node+0xe3/0x730 [ 308.594163] ? ipv6_get_ifaddr+0x42e/0x620 [ 308.598418] __alloc_skb+0x119/0x770 [ 308.602138] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 308.607425] ? skb_scrub_packet+0x490/0x490 [ 308.611751] ? lock_downgrade+0x900/0x900 [ 308.615910] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.621447] ? refcount_sub_and_test_checked+0x203/0x310 [ 308.626911] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 308.632368] ? addrconf_rs_timer+0x6f0/0x6f0 [ 308.636794] ndisc_alloc_skb+0x144/0x340 [ 308.640869] ndisc_send_rs+0x331/0x6e0 [ 308.644769] addrconf_rs_timer+0x3c0/0x6f0 [ 308.649015] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 308.653268] call_timer_fn+0x272/0x920 [ 308.657161] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 308.661398] ? process_timeout+0x40/0x40 [ 308.665462] ? find_held_lock+0x36/0x1c0 [ 308.669542] ? __run_timers+0x7da/0xc70 [ 308.673521] ? _raw_spin_unlock_irq+0x27/0x80 [ 308.678017] ? _raw_spin_unlock_irq+0x27/0x80 [ 308.682515] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 308.686750] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 308.691346] ? trace_hardirqs_on+0xbd/0x310 [ 308.695674] ? kasan_check_read+0x11/0x20 [ 308.699827] ? __run_timers+0x7da/0xc70 [ 308.703812] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 308.709291] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 308.713535] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 308.717776] __run_timers+0x7e5/0xc70 [ 308.721598] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 308.726967] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 308.731988] ? graph_lock+0x170/0x170 [ 308.735792] ? enqueue_hrtimer+0x1a5/0x560 [ 308.740030] ? lock_release+0x970/0x970 [ 308.744010] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 308.749210] ? find_held_lock+0x36/0x1c0 [ 308.753282] ? pvclock_read_flags+0x160/0x160 [ 308.757784] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.763331] ? check_preemption_disabled+0x48/0x200 [ 308.768366] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 308.773906] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 308.779191] ? rcu_pm_notify+0xc0/0xc0 [ 308.783082] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.788633] ? check_preemption_disabled+0x48/0x200 [ 308.793667] run_timer_softirq+0x52/0xb0 [ 308.797731] ? rcu_read_lock_sched_held+0x108/0x120 [ 308.802756] __do_softirq+0x30b/0xad8 [ 308.806569] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 308.811685] ? pvclock_read_flags+0x160/0x160 [ 308.816193] ? lapic_next_event+0x5a/0x90 [ 308.820524] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.826070] ? check_preemption_disabled+0x48/0x200 [ 308.831104] ? check_preemption_disabled+0x48/0x200 [ 308.836137] ? kvm_clock_read+0x18/0x30 [ 308.840127] ? kvm_sched_clock_read+0x9/0x20 [ 308.844542] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.850083] ? check_preemption_disabled+0x48/0x200 [ 308.855134] irq_exit+0x17f/0x1c0 [ 308.858591] smp_apic_timer_interrupt+0x1cb/0x760 [ 308.863442] ? smp_reschedule_interrupt+0x109/0x650 [ 308.868472] ? smp_call_function_single_interrupt+0x650/0x650 [ 308.874360] ? interrupt_entry+0xb5/0xf0 [ 308.878430] ? trace_hardirqs_off_caller+0xbb/0x300 [ 308.883453] ? trace_hardirqs_off_caller+0xbb/0x300 [ 308.888473] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 308.893316] ? trace_hardirqs_off+0x300/0x300 [ 308.897812] ? trace_hardirqs_off+0x300/0x300 [ 308.902313] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.907866] ? check_preemption_disabled+0x48/0x200 [ 308.912893] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 308.918441] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 308.923297] apic_timer_interrupt+0xf/0x20 [ 308.927533] [ 308.929776] RIP: 0010:_raw_write_unlock_irq+0x56/0x80 [ 308.934969] Code: 52 89 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 32 48 83 3d ab aa 92 01 00 74 1f fb 66 0f 1f 44 00 00 01 00 00 00 e8 f0 ec 95 f9 65 8b 05 a9 6e 42 78 85 c0 74 05 5b [ 308.953883] RSP: 0018:ffff8801d8cf7350 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 308.961605] RAX: dffffc0000000000 RBX: ffffffff894090c0 RCX: 0000000000000000 [ 308.968887] RDX: 1ffffffff12a4537 RSI: 0000000000000001 RDI: ffffffff895229b8 [ 308.976158] RBP: ffff8801d8cf7358 R08: ffff8801c24ca580 R09: 0000000000000000 [ 308.983423] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d70737c0 [ 308.990716] R13: ffff8801d8cf7490 R14: 0000000000000000 R15: ffff8801c24cab00 [ 308.998025] do_exit+0x11ef/0x2610 [ 309.001567] ? mem_cgroup_commit_charge+0x275/0x9d0 [ 309.006593] ? mm_update_next_owner+0x990/0x990 [ 309.011273] ? print_usage_bug+0xc0/0xc0 [ 309.015338] ? graph_lock+0x170/0x170 [ 309.019147] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.024686] ? check_preemption_disabled+0x48/0x200 [ 309.029716] ? check_preemption_disabled+0x48/0x200 [ 309.034743] ? print_usage_bug+0xc0/0xc0 [ 309.038810] ? __lock_acquire+0x7ec/0x4ec0 [ 309.043055] ? __lock_acquire+0x7ec/0x4ec0 [ 309.047310] ? mark_held_locks+0x130/0x130 [ 309.051559] ? mark_held_locks+0x130/0x130 [ 309.055802] ? finish_task_switch+0x1b5/0x900 [ 309.060299] ? __switch_to_asm+0x34/0x70 [ 309.064367] ? __switch_to_asm+0x34/0x70 [ 309.068434] ? __switch_to_asm+0x34/0x70 [ 309.072493] ? __switch_to_asm+0x40/0x70 [ 309.076559] ? __switch_to_asm+0x34/0x70 [ 309.080629] ? __switch_to_asm+0x40/0x70 [ 309.084691] ? __switch_to_asm+0x34/0x70 [ 309.088755] ? __switch_to_asm+0x34/0x70 [ 309.092823] ? __switch_to_asm+0x34/0x70 [ 309.096889] ? __switch_to_asm+0x34/0x70 [ 309.100948] ? __switch_to_asm+0x40/0x70 [ 309.105014] ? __switch_to_asm+0x34/0x70 [ 309.109072] ? __switch_to_asm+0x40/0x70 [ 309.113154] ? graph_lock+0x170/0x170 [ 309.116962] ? graph_lock+0x170/0x170 [ 309.120766] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.126617] ? wait_consider_task+0x245/0x3bb0 [ 309.131206] ? memset+0x31/0x40 [ 309.134494] ? find_held_lock+0x36/0x1c0 [ 309.138565] ? get_signal+0x95b/0x1980 [ 309.142460] ? _raw_spin_unlock_irq+0x27/0x80 [ 309.146960] ? _raw_spin_unlock_irq+0x27/0x80 [ 309.151470] do_group_exit+0x177/0x440 [ 309.155361] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 309.160816] ? __ia32_sys_exit+0x50/0x50 [ 309.164894] get_signal+0x8b0/0x1980 [ 309.168630] ? ptrace_notify+0x130/0x130 [ 309.172694] ? do_wait+0x57d/0xb90 [ 309.176245] ? wait_consider_task+0x3bb0/0x3bb0 [ 309.180916] ? graph_lock+0x170/0x170 [ 309.184719] ? graph_lock+0x170/0x170 [ 309.188531] ? graph_lock+0x170/0x170 [ 309.192353] do_signal+0x9c/0x21e0 [ 309.195896] ? find_held_lock+0x36/0x1c0 [ 309.199967] ? setup_sigcontext+0x7d0/0x7d0 [ 309.204290] ? kernel_wait4+0x2e0/0x3f0 [ 309.208272] ? __ia32_sys_waitid+0x140/0x140 [ 309.212697] ? task_stopped_code+0x190/0x190 [ 309.217121] ? exit_to_usermode_loop+0x8c/0x380 [ 309.221805] ? __do_page_fault+0x4a6/0xed0 [ 309.226064] ? do_syscall_64+0x9a/0x820 [ 309.230051] ? do_syscall_64+0x9a/0x820 [ 309.234038] exit_to_usermode_loop+0x2e5/0x380 [ 309.238632] ? syscall_slow_exit_work+0x520/0x520 [ 309.243489] do_syscall_64+0x6be/0x820 [ 309.247382] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 309.252749] ? syscall_return_slowpath+0x5e0/0x5e0 [ 309.257687] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 309.262533] ? trace_hardirqs_off+0x300/0x300 [ 309.267030] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 309.272050] ? prepare_exit_to_usermode+0x291/0x3b0 [ 309.277083] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 309.281947] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 309.287135] RIP: 0033:0x410e7a [ 309.290328] Code: Bad RIP value. [ 309.293685] RSP: 002b:00007ffdfa797988 EFLAGS: 00000246 ORIG_RAX: 000000000000003d [ 309.301406] RAX: fffffffffffffe00 RBX: 00000000000014f2 RCX: 0000000000410e7a [ 309.308679] RDX: 0000000040000000 RSI: 00007ffdfa797994 RDI: ffffffffffffffff [ 309.315951] RBP: 0000000000930b28 R08: 00000000000014e7 R09: 00000000024eb940 [ 309.323226] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010 [ 309.330495] R13: 0000000000412a80 R14: 0000000000000000 R15: 0000000000000000 [ 309.337795] warn_alloc_show_mem: 1 callbacks suppressed [ 309.337808] CPU: 0 PID: 9562 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #51 [ 309.337809] Mem-Info: [ 309.337839] active_anon:43308 inactive_anon:372 isolated_anon:0 [ 309.337839] active_file:9 inactive_file:26 isolated_file:0 [ 309.337839] unevictable:0 dirty:0 writeback:0 unstable:0 [ 309.337839] slab_reclaimable:8855 slab_unreclaimable:1462387 [ 309.337839] mapped:57522 shmem:379 pagetables:727 bounce:0 [ 309.337839] free:13711 free_pcp:202 free_cma:0 [ 309.343191] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 309.350394] Node 0 active_anon:173232kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:230088kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 159744kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 309.352789] Call Trace: [ 309.385581] Node 0 [ 309.394943] [ 309.422726] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 309.425293] dump_stack+0x1c4/0x2b4 [ 309.427497] lowmem_reserve[]: [ 309.429642] ? dump_stack_print_info.cold.2+0x52/0x52 [ 309.455340] 0 [ 309.458989] warn_alloc.cold.118+0xb7/0x1bd [ 309.462048] 2817 [ 309.467232] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 309.469010] 6321 [ 309.473332] ? lock_downgrade+0x900/0x900 [ 309.475362] 6321 [ 309.480211] ? trace_hardirqs_off+0xb8/0x300 [ 309.482244] Node 0 [ 309.486393] ? trace_hardirqs_off+0xb8/0x300 [ 309.488457] DMA32 free:24940kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 309.492842] __alloc_pages_slowpath+0x2667/0x2d80 [ 309.495052] lowmem_reserve[]: [ 309.499484] ? warn_alloc+0x120/0x120 [ 309.526249] 0 [ 309.531110] ? warn_alloc+0x120/0x120 [ 309.534179] 0 [ 309.537976] ? print_usage_bug+0xc0/0xc0 [ 309.539750] 3503 3503 [ 309.543551] ? warn_alloc+0x120/0x120 [ 309.549399] ? print_usage_bug+0xc0/0xc0 [ 309.551879] Node 0 [ 309.555670] ? __lock_acquire+0x7ec/0x4ec0 [ 309.559735] Normal free:13996kB min:37364kB low:46704kB high:56044kB active_anon:169136kB inactive_anon:1488kB active_file:36kB inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5568kB pagetables:2908kB bounce:0kB free_pcp:808kB local_pcp:692kB free_cma:0kB [ 309.561943] ? __lock_acquire+0x7ec/0x4ec0 [ 309.566152] lowmem_reserve[]: [ 309.594617] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 309.598829] 0 [ 309.601940] ? should_fail+0x22d/0xd01 [ 309.607449] 0 [ 309.609247] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 309.613112] 0 [ 309.614913] ? __lock_acquire+0x7ec/0x4ec0 [ 309.619991] 0 [ 309.621792] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 309.625999] Node 0 [ 309.627795] ? __lock_acquire+0x7ec/0x4ec0 [ 309.632874] DMA: [ 309.635111] ? should_fail+0x22d/0xd01 [ 309.639319] 1*4kB [ 309.641390] ? mark_held_locks+0x130/0x130 [ 309.645237] (U) [ 309.647386] ? mark_held_locks+0x130/0x130 [ 309.651592] 0*8kB [ 309.653560] ? graph_lock+0x170/0x170 [ 309.657767] 0*16kB [ 309.659907] ? graph_lock+0x170/0x170 [ 309.663688] 1*32kB [ 309.665914] ? graph_lock+0x170/0x170 [ 309.669688] (U) [ 309.671915] ? print_usage_bug+0xc0/0xc0 [ 309.675688] 2*64kB [ 309.677659] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.681696] (U) [ 309.683935] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.689441] 1*128kB [ 309.691412] ? check_preemption_disabled+0x48/0x200 [ 309.696916] (U) [ 309.699244] ? check_preemption_disabled+0x48/0x200 [ 309.704234] 1*256kB [ 309.706213] ? __lock_is_held+0xb5/0x140 [ 309.711194] (U) [ 309.713517] __alloc_pages_nodemask+0xa80/0xde0 [ 309.717550] 0*512kB [ 309.719526] ? graph_lock+0x170/0x170 [ 309.724172] 1*1024kB [ 309.726491] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 309.730260] (U) [ 309.732664] ? graph_lock+0x170/0x170 [ 309.737660] 1*2048kB [ 309.739640] ? find_held_lock+0x36/0x1c0 [ 309.743406] (M) [ 309.745816] ? ____cache_alloc_node+0x1c7/0x1e0 [ 309.749845] 3*4096kB [ 309.751812] ? lock_downgrade+0x900/0x900 [ 309.756455] (M) [ 309.758867] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.762993] = 15908kB [ 309.764964] cache_grow_begin+0x91/0x8c0 [ 309.770469] Node 0 [ 309.772880] ? do_raw_spin_unlock+0xa7/0x2f0 [ 309.776912] DMA32: [ 309.779151] fallback_alloc+0x203/0x2e0 [ 309.783530] 3*4kB [ 309.785765] ____cache_alloc_node+0x1c7/0x1e0 [ 309.789710] (UM) [ 309.791855] kmem_cache_alloc_node+0xe3/0x730 [ 309.796326] 2*8kB [ 309.798391] ? ipv6_get_ifaddr+0x42e/0x620 [ 309.802854] (U) 5*16kB [ 309.805018] __alloc_skb+0x119/0x770 [ 309.809214] (UM) 2*32kB [ 309.811806] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 309.815490] (UM) [ 309.818160] ? skb_scrub_packet+0x490/0x490 [ 309.823408] 3*64kB [ 309.825463] ? lock_downgrade+0x900/0x900 [ 309.829757] (UM) [ 309.831990] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 309.836113] 4*128kB [ 309.838170] ? refcount_sub_and_test_checked+0x203/0x310 [ 309.843672] (UM) 2*256kB [ 309.845999] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 309.851418] (M) [ 309.854169] ? addrconf_rs_timer+0x6f0/0x6f0 [ 309.859588] 4*512kB (UM) [ 309.861577] ndisc_alloc_skb+0x144/0x340 [ 309.865942] 3*1024kB (M) [ 309.868703] ndisc_send_rs+0x331/0x6e0 [ 309.872736] 1*2048kB [ 309.875488] addrconf_rs_timer+0x3c0/0x6f0 [ 309.879347] (U) [ 309.881760] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.885965] 4*4096kB [ 309.887946] call_timer_fn+0x272/0x920 [ 309.892143] (M) [ 309.894550] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.898410] = 24940kB [ 309.900383] ? process_timeout+0x40/0x40 [ 309.904588] Node 0 [ 309.907010] ? find_held_lock+0x36/0x1c0 [ 309.911030] Normal: [ 309.913265] ? __run_timers+0x7da/0xc70 [ 309.917295] 667*4kB [ 309.919615] ? _raw_spin_unlock_irq+0x27/0x80 [ 309.923563] (UMEH) [ 309.925874] ? _raw_spin_unlock_irq+0x27/0x80 [ 309.925892] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.930359] 358*8kB (UMEH) [ 309.932600] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 309.937070] 191*16kB [ 309.941298] ? trace_hardirqs_on+0xbd/0x310 [ 309.944201] (UMEH) [ 309.948775] ? kasan_check_read+0x11/0x20 [ 309.951154] 81*32kB (UMEH) [ 309.955476] ? __run_timers+0x7da/0xc70 [ 309.957683] 30*64kB (UMH) [ 309.961832] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 309.964734] 1*128kB [ 309.968701] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.971514] (M) [ 309.976958] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 309.979254] 3*256kB [ 309.983485] __run_timers+0x7e5/0xc70 [ 309.985435] (UH) [ 309.989674] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 309.991964] 0*512kB [ 309.995759] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 309.997794] 0*1024kB [ 310.003147] ? graph_lock+0x170/0x170 [ 310.005448] 0*2048kB [ 310.010454] ? enqueue_hrtimer+0x1a5/0x560 [ 310.012835] 0*4096kB = 13996kB [ 310.016639] ? lock_release+0x970/0x970 [ 310.019034] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 310.023253] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 310.026429] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 310.030391] ? find_held_lock+0x36/0x1c0 [ 310.039202] 414 total pagecache pages [ 310.044385] ? graph_lock+0x170/0x170 [ 310.052938] 0 pages in swap cache [ 310.056984] ? pvclock_read_flags+0x160/0x160 [ 310.060761] Swap cache stats: add 0, delete 0, find 0/0 [ 310.060769] Free swap = 0kB [ 310.064563] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.067990] Total swap = 0kB [ 310.072477] ? check_preemption_disabled+0x48/0x200 [ 310.077811] 1965979 pages RAM [ 310.080829] ? __lock_is_held+0xb5/0x140 [ 310.086333] 0 pages HighMem/MovableOnly [ 310.089345] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.094335] 342744 pages reserved [ 310.097438] ? check_preemption_disabled+0x48/0x200 [ 310.101472] 0 pages cma reserved [ 310.105441] run_timer_softirq+0x52/0xb0 [ 310.111046] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 310.114422] ? rcu_read_lock_sched_held+0x108/0x120 [ 310.119501] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 310.122777] __do_softirq+0x30b/0xad8 [ 310.126815] syz-executor1 cpuset= [ 310.133312] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 310.138295] / [ 310.148777] ? pvclock_read_flags+0x160/0x160 [ 310.152553] mems_allowed=0 [ 310.155996] ? lapic_next_event+0x5a/0x90 [ 310.174309] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.179849] ? check_preemption_disabled+0x48/0x200 [ 310.184870] ? check_preemption_disabled+0x48/0x200 [ 310.189892] ? kvm_clock_read+0x18/0x30 [ 310.193869] ? kvm_sched_clock_read+0x9/0x20 [ 310.198281] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.203824] ? check_preemption_disabled+0x48/0x200 [ 310.208852] irq_exit+0x17f/0x1c0 [ 310.212313] smp_apic_timer_interrupt+0x1cb/0x760 [ 310.217158] ? smp_reschedule_interrupt+0x109/0x650 [ 310.222179] ? smp_call_function_single_interrupt+0x650/0x650 [ 310.228067] ? interrupt_entry+0xb5/0xf0 [ 310.232140] ? trace_hardirqs_off_caller+0xbb/0x300 [ 310.237158] ? trace_hardirqs_off_caller+0xbb/0x300 [ 310.242180] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 310.247028] ? trace_hardirqs_off+0x300/0x300 [ 310.251522] ? trace_hardirqs_off+0x300/0x300 [ 310.256022] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 310.261762] ? check_preemption_disabled+0x48/0x200 [ 310.266782] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 310.272329] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 310.277190] apic_timer_interrupt+0xf/0x20 [ 310.281420] [ 310.283663] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 310.288595] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 9a 42 [ 310.307508] RSP: 0000:ffff88019f217748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 310.315230] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 310.322501] RDX: 0000000000000000 RSI: ffff88019f972d00 RDI: 0000000000000282 [ 310.329771] RBP: ffff88019f2177b0 R08: ffff88019f972480 R09: 0000000000000000 [ 310.337043] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 310.344314] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 310.351627] skb_clone+0x1bb/0x500 [ 310.355169] ? finish_task_switch+0x2f5/0x900 [ 310.359663] ? skb_split+0x11e0/0x11e0 [ 310.363557] ? preempt_notifier_register+0x200/0x200 [ 310.368660] ? __switch_to_asm+0x34/0x70 [ 310.372720] ? __switch_to_asm+0x34/0x70 [ 310.376780] ? __switch_to_asm+0x40/0x70 [ 310.380842] ? __switch_to_asm+0x34/0x70 [ 310.384902] ? __switch_to_asm+0x40/0x70 [ 310.388958] ? __switch_to_asm+0x34/0x70 [ 310.393018] ? __switch_to_asm+0x40/0x70 [ 310.397078] ? __switch_to_asm+0x34/0x70 [ 310.401146] ? __switch_to_asm+0x34/0x70 [ 310.405208] ? __switch_to_asm+0x40/0x70 [ 310.409297] ? __switch_to_asm+0x34/0x70 [ 310.413375] bpf_clone_redirect+0xb9/0x490 [ 310.417616] ? __schedule+0x874/0x1ed0 [ 310.421509] bpf_prog_a2323609a0d1adb1+0x624/0x1000 [ 310.426533] ? __sched_text_start+0x8/0x8 [ 310.430683] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 310.435455] ? find_held_lock+0x36/0x1c0 [ 310.439522] ? lock_acquire+0x1ed/0x520 [ 310.443503] ? bpf_test_run+0x32e/0x5a0 [ 310.447477] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.453018] ? check_preemption_disabled+0x48/0x200 [ 310.458040] ? kasan_check_read+0x11/0x20 [ 310.462212] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 310.467522] ? rcu_bh_qs+0xc0/0xc0 [ 310.471065] ? preempt_schedule+0x4d/0x60 [ 310.475222] ? ___preempt_schedule+0x16/0x18 [ 310.479644] ? bpf_test_run+0x1c0/0x5a0 [ 310.483628] ? netlink_diag_dump+0x2a0/0x2a0 [ 310.488043] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 310.493577] ? bpf_test_init.isra.9+0x70/0x100 [ 310.498168] ? bpf_prog_test_run_skb+0x634/0xb40 [ 310.502935] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 310.507775] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 310.513314] ? fput+0x130/0x1a0 [ 310.516593] ? __bpf_prog_get+0x9b/0x290 [ 310.520657] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 310.525494] ? bpf_prog_test_run+0x130/0x1a0 [ 310.529910] ? __x64_sys_bpf+0x3d8/0x510 [ 310.533968] ? bpf_prog_get+0x20/0x20 [ 310.537794] ? do_syscall_64+0x1b9/0x820 [ 310.541856] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 310.547225] ? syscall_return_slowpath+0x5e0/0x5e0 [ 310.552178] ? trace_hardirqs_off+0x300/0x300 [ 310.556680] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 310.561695] ? recalc_sigpending_tsk+0x180/0x180 [ 310.566452] ? kasan_check_write+0x14/0x20 [ 310.570695] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 310.575548] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 310.580934] CPU: 1 PID: 5351 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #51 [ 310.581006] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 310.588130] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 310.588136] Call Trace: [ 310.588143] [ 310.588159] dump_stack+0x1c4/0x2b4 [ 310.588180] ? dump_stack_print_info.cold.2+0x52/0x52 [ 310.594712] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 310.604014] warn_alloc.cold.118+0xb7/0x1bd [ 310.606563] syz-executor0 cpuset= [ 310.608704] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 310.612303] syz0 [ 310.617487] ? lock_downgrade+0x900/0x900 [ 310.627946] mems_allowed=0 [ 310.632264] ? trace_hardirqs_off+0xb8/0x300 [ 310.653931] ? trace_hardirqs_off+0xb8/0x300 [ 310.658353] __alloc_pages_slowpath+0x2667/0x2d80 [ 310.663231] ? warn_alloc+0x120/0x120 [ 310.667036] ? trace_hardirqs_on+0x310/0x310 [ 310.671444] ? warn_alloc+0x120/0x120 [ 310.675249] ? print_usage_bug+0xc0/0xc0 [ 310.679310] ? warn_alloc+0x120/0x120 [ 310.683120] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 310.688137] ? print_usage_bug+0xc0/0xc0 [ 310.692204] ? __lock_acquire+0x7ec/0x4ec0 [ 310.696436] ? __lock_acquire+0x7ec/0x4ec0 [ 310.700675] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 310.706212] ? should_fail+0x22d/0xd01 [ 310.710115] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 310.715221] ? __lock_acquire+0x7ec/0x4ec0 [ 310.719462] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 310.724562] ? __lock_acquire+0x7ec/0x4ec0 [ 310.728797] ? should_fail+0x22d/0xd01 [ 310.732683] ? print_usage_bug+0xc0/0xc0 [ 310.736757] ? mark_held_locks+0x130/0x130 [ 310.740995] ? mark_held_locks+0x130/0x130 [ 310.745241] ? graph_lock+0x170/0x170 [ 310.749041] ? print_usage_bug+0xc0/0xc0 [ 310.753112] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 310.757880] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.763424] ? check_preemption_disabled+0x48/0x200 [ 310.768444] ? check_preemption_disabled+0x48/0x200 [ 310.773471] ? __lock_is_held+0xb5/0x140 [ 310.777539] __alloc_pages_nodemask+0xa80/0xde0 [ 310.782207] ? graph_lock+0x170/0x170 [ 310.786013] ? __alloc_pages_slowpath+0x2d80/0x2d80 [ 310.791028] ? graph_lock+0x170/0x170 [ 310.794842] ? find_held_lock+0x36/0x1c0 [ 310.798931] ? ____cache_alloc_node+0x1c7/0x1e0 [ 310.803604] ? lock_downgrade+0x900/0x900 [ 310.807762] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.813306] cache_grow_begin+0x91/0x8c0 [ 310.817370] ? do_raw_spin_unlock+0xa7/0x2f0 [ 310.821790] fallback_alloc+0x203/0x2e0 [ 310.825775] ____cache_alloc_node+0x1c7/0x1e0 [ 310.830278] kmem_cache_alloc_node+0xe3/0x730 [ 310.834779] ? ipv6_get_ifaddr+0x42e/0x620 [ 310.839026] __alloc_skb+0x119/0x770 [ 310.842770] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 310.848055] ? skb_scrub_packet+0x490/0x490 [ 310.852376] ? lock_downgrade+0x900/0x900 [ 310.856533] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 310.862071] ? refcount_sub_and_test_checked+0x203/0x310 [ 310.867539] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 310.872989] ? addrconf_rs_timer+0x6f0/0x6f0 [ 310.877417] ndisc_alloc_skb+0x144/0x340 [ 310.881488] ndisc_send_rs+0x331/0x6e0 [ 310.885386] addrconf_rs_timer+0x3c0/0x6f0 [ 310.889632] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 310.893888] call_timer_fn+0x272/0x920 [ 310.897776] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 310.902018] ? process_timeout+0x40/0x40 [ 310.906080] ? find_held_lock+0x36/0x1c0 [ 310.910163] ? __run_timers+0x7da/0xc70 [ 310.914141] ? _raw_spin_unlock_irq+0x27/0x80 [ 310.918637] ? _raw_spin_unlock_irq+0x27/0x80 [ 310.923131] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 310.927371] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 310.931957] ? trace_hardirqs_on+0xbd/0x310 [ 310.936278] ? kasan_check_read+0x11/0x20 [ 310.940431] ? __run_timers+0x7da/0xc70 [ 310.944407] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 310.949874] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 310.954125] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 310.958361] __run_timers+0x7e5/0xc70 [ 310.962182] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 310.967546] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 310.972565] ? graph_lock+0x170/0x170 [ 310.976374] ? enqueue_hrtimer+0x1a5/0x560 [ 310.980609] ? lock_release+0x970/0x970 [ 310.984583] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 310.989780] ? find_held_lock+0x36/0x1c0 [ 310.993851] ? pvclock_read_flags+0x160/0x160 [ 310.998353] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 311.003895] ? check_preemption_disabled+0x48/0x200 [ 311.008921] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 311.014456] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 311.019734] ? rcu_pm_notify+0xc0/0xc0