000000000045ddf3 [ 360.910344] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014f1120 [ 360.917627] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 360.924911] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 360.932194] R13: 000000c42841fe60 R14: 0000000000000001 R15: 0000000000000000 [ 360.939502] CPU: 1 PID: 16798 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #167 [ 360.939504] Mem-Info: [ 360.939536] active_anon:45985 inactive_anon:296 isolated_anon:0 [ 360.939536] active_file:15 inactive_file:8 isolated_file:0 [ 360.939536] unevictable:0 dirty:0 writeback:0 unstable:0 [ 360.939536] slab_reclaimable:9236 slab_unreclaimable:1461135 [ 360.939536] mapped:40979 shmem:353 pagetables:587 bounce:0 [ 360.939536] free:13771 free_pcp:249 free_cma:0 [ 360.946891] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 360.949359] Node 0 active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1412kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 360.982127] Call Trace: [ 360.991492] 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 [ 361.019171] [ 361.021752] lowmem_reserve[]: 0 2818 6321 6321 [ 361.047878] dump_stack+0x244/0x39d [ 361.050020] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:404kB local_pcp:156kB free_cma:0kB [ 361.054623] ? dump_stack_print_info.cold.1+0x20/0x20 [ 361.058220] lowmem_reserve[]: 0 0 3503 3503 [ 361.085752] warn_alloc.cold.116+0xb7/0x1bd [ 361.090925] Node 0 Normal free:14000kB min:37364kB low:46704kB high:56044kB active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2348kB bounce:0kB free_pcp:592kB local_pcp:388kB free_cma:0kB [ 361.095259] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 361.099548] lowmem_reserve[]: 0 0 0 0 [ 361.128567] ? lock_downgrade+0x900/0x900 [ 361.133399] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 361.137210] ? trace_hardirqs_off+0xb8/0x310 [ 361.141339] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 2*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 361.154902] ? trace_hardirqs_off+0xb8/0x310 [ 361.159305] Node 0 Normal: 794*4kB (MEH) 441*8kB (UMEH) 176*16kB (UME) 69*32kB (UMEH) 18*64kB (UM) 1*128kB (U) 2*256kB (U) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14032kB [ 361.174408] __alloc_pages_slowpath+0x2651/0x2de0 [ 361.178802] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 361.194497] ? warn_alloc+0x120/0x120 [ 361.199345] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 361.208177] ? print_usage_bug+0xc0/0xc0 [ 361.211950] 376 total pagecache pages [ 361.220532] ? warn_alloc+0x120/0x120 [ 361.224574] 0 pages in swap cache [ 361.228367] ? warn_alloc+0x120/0x120 [ 361.232150] Swap cache stats: add 0, delete 0, find 0/0 [ 361.235601] ? print_usage_bug+0xc0/0xc0 [ 361.239399] Free swap = 0kB [ 361.244797] ? kvm_clock_read+0x18/0x30 [ 361.248821] Total swap = 0kB [ 361.248829] 1965979 pages RAM [ 361.251861] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 361.255806] 0 pages HighMem/MovableOnly [ 361.258835] ? print_usage_bug+0xc0/0xc0 [ 361.261930] 342854 pages reserved [ 361.266944] ? __lock_acquire+0x62f/0x4c20 [ 361.270888] 0 pages cma reserved [ 361.274952] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 361.278575] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 361.282670] ? should_fail+0x22d/0xd01 [ 361.286016] syz-fuzzer cpuset=/ mems_allowed=0 [ 361.291565] ? __lock_acquire+0x62f/0x4c20 [ 361.314490] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 361.319624] ? __lock_acquire+0x62f/0x4c20 [ 361.323875] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 361.328981] ? __lock_acquire+0x62f/0x4c20 [ 361.333230] ? should_fail+0x22d/0xd01 [ 361.337132] ? mark_held_locks+0x130/0x130 [ 361.341377] ? mark_held_locks+0x130/0x130 [ 361.345637] ? zap_class+0x640/0x640 [ 361.349371] ? print_usage_bug+0xc0/0xc0 [ 361.353442] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.358999] ? check_preemption_disabled+0x48/0x280 [ 361.364063] ? __lock_is_held+0xb5/0x140 [ 361.368133] __alloc_pages_nodemask+0xad8/0xea0 [ 361.372806] ? zap_class+0x640/0x640 [ 361.376532] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 361.381563] ? find_held_lock+0x36/0x1c0 [ 361.385639] ? ____cache_alloc_node+0x1c7/0x1e0 [ 361.390373] ? lock_downgrade+0x900/0x900 [ 361.394533] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.400086] cache_grow_begin+0xa5/0x8c0 [ 361.404151] ? do_raw_spin_unlock+0xa7/0x330 [ 361.408598] fallback_alloc+0x204/0x2e0 [ 361.412583] ____cache_alloc_node+0x1c7/0x1e0 [ 361.417089] kmem_cache_alloc_node+0xe3/0x730 [ 361.421589] ? ipv6_get_ifaddr+0x42e/0x620 [ 361.425836] __alloc_skb+0x119/0x770 [ 361.429557] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 361.434848] ? netdev_alloc_frag+0x1f0/0x1f0 [ 361.439266] ? lock_downgrade+0x900/0x900 [ 361.443425] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.449022] ? refcount_sub_and_test_checked+0x203/0x310 [ 361.454517] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 361.459976] ? addrconf_rs_timer+0x690/0x690 [ 361.464412] ndisc_alloc_skb+0x144/0x340 [ 361.468487] ndisc_send_rs+0x331/0x6e0 [ 361.472402] addrconf_rs_timer+0x314/0x690 [ 361.476648] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 361.480902] call_timer_fn+0x272/0x920 [ 361.484796] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 361.489049] ? process_timeout+0x40/0x40 [ 361.493122] ? __run_timers+0x7da/0xc70 [ 361.497154] ? _raw_spin_unlock_irq+0x27/0x80 [ 361.501667] ? _raw_spin_unlock_irq+0x27/0x80 [ 361.506180] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 361.510420] ? lockdep_hardirqs_on+0x296/0x5b0 [ 361.515019] ? trace_hardirqs_on+0xbd/0x310 [ 361.519353] ? kasan_check_read+0x11/0x20 [ 361.523509] ? __run_timers+0x7da/0xc70 [ 361.527490] ? trace_hardirqs_off_caller+0x310/0x310 [ 361.532612] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 361.536850] __run_timers+0x7e5/0xc70 [ 361.540669] ? timer_fixup_init+0x70/0x70 [ 361.544823] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 361.549858] ? zap_class+0x640/0x640 [ 361.553585] ? enqueue_hrtimer+0x1a5/0x560 [ 361.557828] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 361.563046] ? find_held_lock+0x36/0x1c0 [ 361.567122] ? zap_class+0x640/0x640 [ 361.570846] ? pvclock_read_flags+0x160/0x160 [ 361.575363] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.580913] ? check_preemption_disabled+0x48/0x280 [ 361.585948] ? __lock_is_held+0xb5/0x140 [ 361.590025] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.595574] ? check_preemption_disabled+0x48/0x280 [ 361.600604] run_timer_softirq+0x52/0xb0 [ 361.604672] ? rcu_read_lock_sched_held+0x14f/0x180 [ 361.609694] __do_softirq+0x308/0xb7e [ 361.613504] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 361.618010] ? lock_downgrade+0x900/0x900 [ 361.622172] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 361.627288] ? pvclock_read_flags+0x160/0x160 [ 361.631796] ? lapic_next_event+0x5a/0x90 [ 361.635955] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.641518] ? kvm_clock_read+0x18/0x30 [ 361.645519] ? kvm_sched_clock_read+0x9/0x20 [ 361.649937] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.655481] ? check_preemption_disabled+0x48/0x280 [ 361.660513] irq_exit+0x17f/0x1c0 [ 361.663975] smp_apic_timer_interrupt+0x1cb/0x760 [ 361.668849] ? smp_reschedule_interrupt+0x109/0x650 [ 361.673882] ? smp_call_function_single_interrupt+0x650/0x650 [ 361.679786] ? interrupt_entry+0xb5/0xc0 [ 361.683876] ? trace_hardirqs_off_caller+0xbb/0x310 [ 361.688900] ? trace_hardirqs_off_caller+0xbb/0x310 [ 361.693923] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 361.698780] ? trace_hardirqs_on_caller+0x310/0x310 [ 361.703801] ? trace_hardirqs_on_caller+0x310/0x310 [ 361.708821] ? task_prio+0x50/0x50 [ 361.712373] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.717930] ? check_preemption_disabled+0x48/0x280 [ 361.722986] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 361.727859] apic_timer_interrupt+0xf/0x20 [ 361.732091] [ 361.734348] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 361.739287] Code: 7e 0f 85 cf fe ff ff e8 66 cb 3d ff e9 c5 fe ff ff e8 0d 01 c3 ff 48 83 3d a5 49 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 42 f3 [ 361.758372] RSP: 0018:ffff888195497718 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 361.766096] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 361.773408] RDX: 0000000000000000 RSI: ffff8881d2488b40 RDI: 0000000000000282 [ 361.780702] RBP: ffff888195497780 R08: ffff8881d24882c0 R09: 0000000000000000 [ 361.787999] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 361.795293] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020 [ 361.802626] skb_clone+0x1bb/0x500 [ 361.806195] ? skb_split+0x11e0/0x11e0 [ 361.810093] ? check_preemption_disabled+0x48/0x280 [ 361.815127] ? __this_cpu_preempt_check+0x1c/0x20 [ 361.819976] ? __bpf_redirect+0x55b/0xb60 [ 361.824143] ? __switch_to_asm+0x34/0x70 [ 361.828204] ? __switch_to_asm+0x40/0x70 [ 361.832278] bpf_clone_redirect+0xb9/0x490 [ 361.836526] bpf_prog_3d1649e183dc2cc1+0xaf9/0x1000 [ 361.841556] ? __sched_text_start+0x8/0x8 [ 361.845719] ? find_held_lock+0x36/0x1c0 [ 361.849805] ? lock_acquire+0x1ed/0x520 [ 361.853797] ? bpf_test_run+0x3cb/0x780 [ 361.857789] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.863347] ? check_preemption_disabled+0x48/0x280 [ 361.868377] ? kasan_check_read+0x11/0x20 [ 361.872530] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 361.877812] ? rcu_softirq_qs+0x20/0x20 [ 361.881793] ? preempt_schedule+0x4d/0x60 [ 361.885947] ? ___preempt_schedule+0x16/0x18 [ 361.890368] ? bpf_test_run+0x25d/0x780 [ 361.894361] ? netlink_diag_dump+0x2a0/0x2a0 [ 361.898778] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 361.904320] ? bpf_test_init.isra.10+0x70/0x100 [ 361.909010] ? bpf_prog_test_run_skb+0x73b/0xd10 [ 361.913787] ? bpf_test_finish.isra.9+0x260/0x260 [ 361.918635] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 361.924221] ? fput+0x130/0x1a0 [ 361.927505] ? __bpf_prog_get+0x9b/0x290 [ 361.931588] ? bpf_test_finish.isra.9+0x260/0x260 [ 361.936457] ? bpf_prog_test_run+0x130/0x1a0 [ 361.940876] ? __x64_sys_bpf+0x3db/0x520 [ 361.944972] ? bpf_prog_get+0x20/0x20 [ 361.948858] ? do_syscall_64+0x1b9/0x820 [ 361.952923] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 361.958292] ? syscall_return_slowpath+0x5e0/0x5e0 [ 361.963222] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 361.968069] ? trace_hardirqs_on_caller+0x310/0x310 [ 361.973094] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 361.978121] ? prepare_exit_to_usermode+0x291/0x3b0 [ 361.983185] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 361.988041] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 361.993426] CPU: 0 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #167 [ 361.993512] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 362.000440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 362.000446] Call Trace: [ 362.000452] [ 362.000473] dump_stack+0x244/0x39d [ 362.000491] ? dump_stack_print_info.cold.1+0x20/0x20 [ 362.000517] warn_alloc.cold.116+0xb7/0x1bd [ 362.007052] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 362.016361] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 362.018929] syz-executor0 cpuset=syz0 mems_allowed=0 [ 362.021078] ? lock_downgrade+0x900/0x900 [ 362.058713] ? trace_hardirqs_off+0xb8/0x310 [ 362.063149] ? trace_hardirqs_off+0xb8/0x310 [ 362.067573] __alloc_pages_slowpath+0x2651/0x2de0 [ 362.072446] ? warn_alloc+0x120/0x120 [ 362.076254] ? print_usage_bug+0xc0/0xc0 [ 362.080321] ? warn_alloc+0x120/0x120 [ 362.084131] ? alloc_pages_current+0x173/0x350 [ 362.088716] ? warn_alloc+0x120/0x120 [ 362.092520] ? zap_class+0x640/0x640 [ 362.096251] ? print_usage_bug+0xc0/0xc0 [ 362.100338] ? print_usage_bug+0xc0/0xc0 [ 362.104439] ? __lock_acquire+0x62f/0x4c20 [ 362.108687] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 362.114225] ? should_fail+0x22d/0xd01 [ 362.118128] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 362.123233] ? __lock_acquire+0x62f/0x4c20 [ 362.127490] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 362.132593] ? __lock_acquire+0x62f/0x4c20 [ 362.136831] ? should_fail+0x22d/0xd01 [ 362.140733] ? mark_held_locks+0x130/0x130 [ 362.144973] ? mark_held_locks+0x130/0x130 [ 362.149219] ? ip6_finish_output2+0x1d6b/0x27a0 [ 362.153888] ? __kfree_skb+0x20/0x20 [ 362.157601] ? lockdep_hardirqs_on+0x296/0x5b0 [ 362.162191] ? zap_class+0x640/0x640 [ 362.165907] ? print_usage_bug+0xc0/0xc0 [ 362.169981] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.175536] ? check_preemption_disabled+0x48/0x280 [ 362.180567] ? __lock_is_held+0xb5/0x140 [ 362.184635] __alloc_pages_nodemask+0xad8/0xea0 [ 362.189357] ? zap_class+0x640/0x640 [ 362.193089] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 362.198117] ? find_held_lock+0x36/0x1c0 [ 362.202188] ? ____cache_alloc_node+0x1c7/0x1e0 [ 362.206878] ? lock_downgrade+0x900/0x900 [ 362.211052] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.216615] cache_grow_begin+0xa5/0x8c0 [ 362.220723] ? do_raw_spin_unlock+0xa7/0x330 [ 362.225156] fallback_alloc+0x204/0x2e0 [ 362.229149] ____cache_alloc_node+0x1c7/0x1e0 [ 362.233655] kmem_cache_alloc_node+0xe3/0x730 [ 362.238156] ? ipv6_get_ifaddr+0x42e/0x620 [ 362.242408] __alloc_skb+0x119/0x770 [ 362.246124] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 362.251416] ? netdev_alloc_frag+0x1f0/0x1f0 [ 362.255826] ? lock_downgrade+0x900/0x900 [ 362.259997] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.265540] ? refcount_sub_and_test_checked+0x203/0x310 [ 362.271006] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 362.276477] ? addrconf_rs_timer+0x690/0x690 [ 362.280900] ndisc_alloc_skb+0x144/0x340 [ 362.284976] ndisc_send_rs+0x331/0x6e0 [ 362.288879] addrconf_rs_timer+0x314/0x690 [ 362.293127] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 362.297415] call_timer_fn+0x272/0x920 [ 362.301315] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 362.305553] ? process_timeout+0x40/0x40 [ 362.309631] ? mark_held_locks+0xc7/0x130 [ 362.313934] ? _raw_spin_unlock_irq+0x27/0x80 [ 362.318432] ? _raw_spin_unlock_irq+0x27/0x80 [ 362.322928] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 362.327165] ? lockdep_hardirqs_on+0x296/0x5b0 [ 362.331784] ? trace_hardirqs_on+0xbd/0x310 [ 362.336108] ? kasan_check_read+0x11/0x20 [ 362.340255] ? __run_timers+0x7da/0xc70 [ 362.344239] ? trace_hardirqs_off_caller+0x310/0x310 [ 362.349359] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 362.353614] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 362.357852] __run_timers+0x7e5/0xc70 [ 362.361667] ? timer_fixup_init+0x70/0x70 [ 362.365825] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 362.370864] ? zap_class+0x640/0x640 [ 362.374590] ? print_usage_bug+0xc0/0xc0 [ 362.378663] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 362.383869] ? find_held_lock+0x36/0x1c0 [ 362.387939] ? zap_class+0x640/0x640 [ 362.391663] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.397216] ? check_preemption_disabled+0x48/0x280 [ 362.402261] ? __lock_is_held+0xb5/0x140 [ 362.406330] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.411878] ? check_preemption_disabled+0x48/0x280 [ 362.416905] run_timer_softirq+0x52/0xb0 [ 362.420971] ? rcu_read_lock_sched_held+0x14f/0x180 [ 362.426021] __do_softirq+0x308/0xb7e [ 362.429839] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 362.434369] ? lock_downgrade+0x900/0x900 [ 362.438543] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 362.443678] ? pvclock_read_flags+0x160/0x160 [ 362.448199] ? lapic_next_event+0x5a/0x90 [ 362.452379] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.457955] ? kvm_clock_read+0x18/0x30 [ 362.461956] ? kvm_sched_clock_read+0x9/0x20 [ 362.466403] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 362.471971] ? check_preemption_disabled+0x48/0x280 [ 362.477038] irq_exit+0x17f/0x1c0 [ 362.480515] smp_apic_timer_interrupt+0x1cb/0x760 [ 362.485407] ? smp_reschedule_interrupt+0x109/0x650 [ 362.490445] ? smp_call_function_single_interrupt+0x650/0x650 [ 362.496349] ? interrupt_entry+0xb5/0xc0 [ 362.500432] ? trace_hardirqs_off_caller+0xbb/0x310 [ 362.505456] ? trace_hardirqs_off_caller+0xbb/0x310 [ 362.510482] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 362.515342] ? trace_hardirqs_on_caller+0x310/0x310 [ 362.520378] ? trace_hardirqs_on_caller+0x310/0x310 [ 362.525431] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 362.530290] apic_timer_interrupt+0xf/0x20 [ 362.534522] [ 362.536770] RIP: 0010:dump_stack+0x358/0x39d [ 362.541201] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 f1 36 ed f9 48 83 3d f9 27 7c 01 00 0f 84 63 fe ff ff e8 6e b7 a9 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b b7 a9 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 362.560129] RSP: 0000:ffff8881bb40e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 362.567852] RAX: ffff8881c2208180 RBX: 1ffffffff12a3f6e RCX: 1ffff1103844114e [ 362.575133] RDX: 0000000000000000 RSI: ffffffff87d5d382 RDI: 0000000000000293 [ 362.582413] RBP: ffff8881bb40e290 R08: ffff8881c2208a70 R09: 0000000000000006 [ 362.589693] R10: 0000000000000000 R11: ffff8881c2208180 R12: 1ffff11037681c45 [ 362.596970] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 362.604278] ? dump_stack+0x34f/0x39d [ 362.608108] ? dump_stack_print_info.cold.1+0x20/0x20 [ 362.613312] ? mark_held_locks+0x130/0x130 [ 362.617558] ? mark_held_locks+0x130/0x130 [ 362.621814] dump_header+0x27b/0xf72 [ 362.625550] ? pagefault_out_of_memory+0x197/0x197 [ 362.630497] ? __lock_acquire+0x62f/0x4c20 [ 362.634736] ? percpu_ref_get_many+0x240/0x240 [ 362.639327] ? print_usage_bug+0xc0/0xc0 [ 362.643409] ? zap_class+0x640/0x640 [ 362.647131] ? print_usage_bug+0xc0/0xc0 [ 362.651208] ? print_usage_bug+0xc0/0xc0 [ 362.655291] ? zap_class+0x640/0x640 [ 362.659025] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.664576] ? find_held_lock+0x36/0x1c0 [ 362.668667] ? mark_held_locks+0xc7/0x130 [ 362.672825] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 362.677933] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 362.683046] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 362.687671] ? trace_hardirqs_on+0xbd/0x310 [ 362.692001] ? kasan_check_read+0x11/0x20 [ 362.696172] ? ___ratelimit+0x3b4/0x672 [ 362.700153] ? trace_hardirqs_off_caller+0x310/0x310 [ 362.705265] ? trace_hardirqs_on+0x310/0x310 [ 362.709683] ? lock_downgrade+0x900/0x900 [ 362.713843] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 362.718955] ? ___ratelimit+0x3b9/0x672 [ 362.722946] ? idr_get_free+0xf70/0xf70 [ 362.726931] ? find_held_lock+0x36/0x1c0 [ 362.731019] oom_kill_process.cold.27+0x10/0x903 [ 362.735792] ? zap_class+0x640/0x640 [ 362.739535] ? check_preemption_disabled+0x48/0x280 [ 362.744589] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 362.749543] ? kasan_check_read+0x11/0x20 [ 362.753706] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 362.759008] ? oom_evaluate_task+0x540/0x540 [ 362.763437] ? find_held_lock+0x36/0x1c0 [ 362.767521] ? out_of_memory+0x974/0x1430 [ 362.771680] ? lock_downgrade+0x900/0x900 [ 362.775840] ? check_preemption_disabled+0x48/0x280 [ 362.780871] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 362.785812] ? kasan_check_read+0x11/0x20 [ 362.789969] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 362.795272] ? rcu_softirq_qs+0x20/0x20 [ 362.799262] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 362.804808] ? oom_evaluate_task+0x302/0x540 [ 362.809255] out_of_memory+0xa84/0x1430 [ 362.813251] ? oom_killer_disable+0x3a0/0x3a0 [ 362.817760] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 362.822707] ? __ww_mutex_check_waiters+0x160/0x160 [ 362.827753] __alloc_pages_slowpath+0x232c/0x2de0 [ 362.832642] ? warn_alloc+0x120/0x120 [ 362.836454] ? mark_held_locks+0x130/0x130 [ 362.840715] ? find_get_entry+0xaae/0x1120 [ 362.844981] ? filemap_map_pages+0x1a20/0x1a20 [ 362.849590] ? zap_class+0x640/0x640 [ 362.853319] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.858869] ? check_preemption_disabled+0x48/0x280 [ 362.863899] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 362.869461] ? should_fail+0x22d/0xd01 [ 362.873371] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 362.878490] ? zap_class+0x640/0x640 [ 362.882244] ? __lock_is_held+0xb5/0x140 [ 362.886316] ? mark_held_locks+0x130/0x130 [ 362.890564] ? lock_release+0xa00/0xa00 [ 362.894549] ? perf_trace_sched_process_exec+0x860/0x860 [ 362.900017] ? xa_load+0x2ba/0x460 [ 362.903575] ? lock_downgrade+0x900/0x900 [ 362.907749] ? __might_sleep+0x95/0x190 [ 362.911752] __alloc_pages_nodemask+0xad8/0xea0 [ 362.916456] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 362.921511] ? __page_cache_alloc+0x191/0x5c0 [ 362.926029] ? xa_load+0x2e1/0x460 [ 362.929589] ? xa_clear_mark+0x40/0x40 [ 362.933499] ? zap_class+0x640/0x640 [ 362.937240] ? zap_class+0x640/0x640 [ 362.940970] ? zap_class+0x640/0x640 [ 362.944707] ? __do_page_cache_readahead+0x663/0x810 [ 362.949836] ? find_held_lock+0x36/0x1c0 [ 362.953916] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 362.959475] alloc_pages_current+0x173/0x350 [ 362.963904] __page_cache_alloc+0x38c/0x5c0 [ 362.968230] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 362.973165] ? kasan_check_read+0x11/0x20 [ 362.977372] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 362.982681] ? generic_perform_write+0x6a0/0x6a0 [ 362.987450] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 362.993003] ? check_preemption_disabled+0x48/0x280 [ 362.998037] filemap_fault+0x1595/0x25f0 [ 363.002113] ? __lock_page_or_retry+0xa00/0xa00 [ 363.006787] ? mark_held_locks+0x130/0x130 [ 363.011043] ? filemap_map_pages+0xd6b/0x1a20 [ 363.015542] ? lock_downgrade+0x900/0x900 [ 363.019694] ? check_preemption_disabled+0x48/0x280 [ 363.024719] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 363.029653] ? kasan_check_read+0x11/0x20 [ 363.033800] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 363.039081] ? rcu_softirq_qs+0x20/0x20 [ 363.043071] ? filemap_map_pages+0xd92/0x1a20 [ 363.047584] ? find_get_entries_tag+0x1400/0x1400 [ 363.052432] ? debug_object_destroy+0x2b0/0x2b0 [ 363.057110] ? lock_pi_update_atomic+0x150/0x150 [ 363.061889] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.067444] ? lock_acquire+0x1ed/0x520 [ 363.071418] ? ext4_filemap_fault+0x7a/0xad [ 363.075749] ? lock_release+0xa00/0xa00 [ 363.079726] ? perf_trace_sched_process_exec+0x860/0x860 [ 363.085185] ? print_usage_bug+0xc0/0xc0 [ 363.089253] ? print_usage_bug+0xc0/0xc0 [ 363.093330] ? down_read+0x8d/0x120 [ 363.096963] ? ext4_filemap_fault+0x7a/0xad [ 363.101293] ? __down_interruptible+0x700/0x700 [ 363.105975] ext4_filemap_fault+0x82/0xad [ 363.110140] __do_fault+0x100/0x6b0 [ 363.113787] ? find_held_lock+0x36/0x1c0 [ 363.117854] ? pmd_devmap_trans_unstable+0x220/0x220 [ 363.122963] ? mark_held_locks+0x130/0x130 [ 363.127210] ? mark_held_locks+0x130/0x130 [ 363.131461] ? debug_smp_processor_id+0x1c/0x20 [ 363.136132] ? perf_trace_lock+0x14d/0x7a0 [ 363.140380] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 363.145930] __handle_mm_fault+0x3ea0/0x5be0 [ 363.150360] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 363.155210] ? lock_is_held_type+0x210/0x210 [ 363.159639] ? __switch_to_asm+0x34/0x70 [ 363.163698] ? __switch_to_asm+0x34/0x70 [ 363.167784] ? zap_class+0x640/0x640 [ 363.171499] ? zap_class+0x640/0x640 [ 363.175215] ? __x64_sys_futex+0x53e/0x6a0 [ 363.179736] ? find_held_lock+0x36/0x1c0 [ 363.183811] ? handle_mm_fault+0x42a/0xc70 [ 363.188050] ? lock_downgrade+0x900/0x900 [ 363.192202] ? check_preemption_disabled+0x48/0x280 [ 363.197226] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 363.202158] ? kasan_check_read+0x11/0x20 [ 363.206310] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 363.211591] ? rcu_softirq_qs+0x20/0x20 [ 363.215584] ? trace_hardirqs_off_caller+0x310/0x310 [ 363.220695] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 363.226237] ? check_preemption_disabled+0x48/0x280 [ 363.231272] handle_mm_fault+0x54f/0xc70 [ 363.235343] ? __handle_mm_fault+0x5be0/0x5be0 [ 363.239940] ? find_vma+0x34/0x190 [ 363.243487] __do_page_fault+0x5e8/0xe60 [ 363.247556] ? trace_hardirqs_off+0xb8/0x310 [ 363.251980] do_page_fault+0xf2/0x7e0 [ 363.255799] ? vmalloc_sync_all+0x30/0x30 [ 363.259952] ? error_entry+0x70/0xd0 [ 363.263669] ? trace_hardirqs_off_caller+0xbb/0x310 [ 363.268691] ? trace_hardirqs_on_caller+0xc0/0x310 [ 363.273622] ? syscall_return_slowpath+0x5e0/0x5e0 [ 363.278554] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 363.283400] ? trace_hardirqs_on_caller+0x310/0x310 [ 363.288419] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 363.293885] ? prepare_exit_to_usermode+0x291/0x3b0 [ 363.298909] ? page_fault+0x8/0x30 [ 363.302455] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 363.307304] ? page_fault+0x8/0x30 [ 363.310849] page_fault+0x1e/0x30 [ 363.314307] RIP: 0033:0x45ddf3 [ 363.317511] Code: Bad RIP value. [ 363.320887] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 363.326252] RAX: ffffffffffffff92 RBX: 0000000028898d51 RCX: 000000000045ddf3 [ 363.333523] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014f1120 [ 363.340794] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 363.348068] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 363.355349] R13: 000000c42841fe60 R14: 0000000000000001 R15: 0000000000000000 [ 363.362658] warn_alloc_show_mem: 1 callbacks suppressed [ 363.362671] CPU: 1 PID: 16798 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #167 [ 363.362672] Mem-Info: [ 363.362704] active_anon:45985 inactive_anon:296 isolated_anon:0 [ 363.362704] active_file:15 inactive_file:8 isolated_file:0 [ 363.362704] unevictable:0 dirty:0 writeback:0 unstable:0 [ 363.362704] slab_reclaimable:9236 slab_unreclaimable:1461135 [ 363.362704] mapped:40979 shmem:353 pagetables:587 bounce:0 [ 363.362704] free:13771 free_pcp:249 free_cma:0 [ 363.368047] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 363.368057] Call Trace: [ 363.375441] Node 0 active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1412kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 363.377848] [ 363.410647] 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 [ 363.420032] dump_stack+0x244/0x39d [ 363.422590] lowmem_reserve[]: 0 2818 6321 6321 [ 363.450278] ? dump_stack_print_info.cold.1+0x20/0x20 [ 363.452408] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:404kB local_pcp:156kB free_cma:0kB [ 363.478551] warn_alloc.cold.116+0xb7/0x1bd [ 363.482157] lowmem_reserve[]: 0 0 3503 3503 [ 363.486738] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 363.491904] Node 0 Normal free:14000kB min:37364kB low:46704kB high:56044kB active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2348kB bounce:0kB free_pcp:592kB local_pcp:388kB free_cma:0kB [ 363.519476] ? lock_downgrade+0x900/0x900 [ 363.523772] lowmem_reserve[]: 0 0 0 0 [ 363.528102] ? trace_hardirqs_off+0xb8/0x310 [ 363.532915] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 363.561905] ? trace_hardirqs_off+0xb8/0x310 [ 363.566044] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 2*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 363.569851] __alloc_pages_slowpath+0x2651/0x2de0 [ 363.574227] Node 0 Normal: 794*4kB (MEH) 441*8kB (UMEH) 176*16kB (UME) 69*32kB (UMEH) 18*64kB (UM) 1*128kB (U) 2*256kB (U) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14032kB [ 363.587781] ? warn_alloc+0x120/0x120 [ 363.592155] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 363.607254] ? print_usage_bug+0xc0/0xc0 [ 363.612086] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 363.627541] ? warn_alloc+0x120/0x120 [ 363.631323] 376 total pagecache pages [ 363.640176] ? warn_alloc+0x120/0x120 [ 363.644229] 0 pages in swap cache [ 363.652804] ? print_usage_bug+0xc0/0xc0 [ 363.656579] Swap cache stats: add 0, delete 0, find 0/0 [ 363.656589] Free swap = 0kB [ 363.660394] ? print_usage_bug+0xc0/0xc0 [ 363.664168] Total swap = 0kB [ 363.667623] ? __lock_acquire+0x62f/0x4c20 [ 363.671655] 1965979 pages RAM [ 363.677039] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 363.680038] 0 pages HighMem/MovableOnly [ 363.684111] ? should_fail+0x22d/0xd01 [ 363.687100] 342854 pages reserved [ 363.691353] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 363.694435] 0 pages cma reserved [ 363.699973] ? __lock_acquire+0x62f/0x4c20 [ 363.704017] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 363.707834] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 363.711376] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 363.716382] ? __lock_acquire+0x62f/0x4c20 [ 363.719728] syz-fuzzer cpuset=/ mems_allowed=0 [ 363.723959] ? should_fail+0x22d/0xd01 [ 363.758421] ? find_held_lock+0x36/0x1c0 [ 363.762509] ? mark_held_locks+0x130/0x130 [ 363.766763] ? mark_held_locks+0x130/0x130 [ 363.771034] ? zap_class+0x640/0x640 [ 363.774763] ? zap_class+0x640/0x640 [ 363.778492] ? print_usage_bug+0xc0/0xc0 [ 363.782564] ? do_raw_spin_unlock+0xa7/0x330 [ 363.786987] ? zap_class+0x640/0x640 [ 363.790728] ? print_usage_bug+0xc0/0xc0 [ 363.794821] ? wq_watchdog_touch+0x9c/0xfe [ 363.799085] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.804646] ? check_preemption_disabled+0x48/0x280 [ 363.809689] ? __lock_is_held+0xb5/0x140 [ 363.813767] __alloc_pages_nodemask+0xad8/0xea0 [ 363.818453] ? zap_class+0x640/0x640 [ 363.822186] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 363.827235] ? find_held_lock+0x36/0x1c0 [ 363.831324] ? ____cache_alloc_node+0x1c7/0x1e0 [ 363.836020] ? lock_downgrade+0x900/0x900 [ 363.840206] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.845771] cache_grow_begin+0xa5/0x8c0 [ 363.849850] ? do_raw_spin_unlock+0xa7/0x330 [ 363.854301] fallback_alloc+0x204/0x2e0 [ 363.858298] ____cache_alloc_node+0x1c7/0x1e0 [ 363.862821] kmem_cache_alloc_node+0xe3/0x730 [ 363.867347] ? ipv6_get_ifaddr+0x42e/0x620 [ 363.871622] __alloc_skb+0x119/0x770 [ 363.875344] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 363.880645] ? netdev_alloc_frag+0x1f0/0x1f0 [ 363.885062] ? lock_downgrade+0x900/0x900 [ 363.889230] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.894800] ? refcount_sub_and_test_checked+0x203/0x310 [ 363.900279] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 363.905738] ? addrconf_rs_timer+0x690/0x690 [ 363.910184] ndisc_alloc_skb+0x144/0x340 [ 363.914262] ndisc_send_rs+0x331/0x6e0 [ 363.918162] addrconf_rs_timer+0x314/0x690 [ 363.922411] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 363.926746] call_timer_fn+0x272/0x920 [ 363.930647] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 363.934891] ? process_timeout+0x40/0x40 [ 363.938962] ? __run_timers+0x7da/0xc70 [ 363.942950] ? _raw_spin_unlock_irq+0x27/0x80 [ 363.947448] ? _raw_spin_unlock_irq+0x27/0x80 [ 363.951965] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 363.956215] ? lockdep_hardirqs_on+0x296/0x5b0 [ 363.960816] ? trace_hardirqs_on+0xbd/0x310 [ 363.965143] ? kasan_check_read+0x11/0x20 [ 363.969296] ? __run_timers+0x7da/0xc70 [ 363.973280] ? trace_hardirqs_off_caller+0x310/0x310 [ 363.978406] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 363.982649] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 363.986902] __run_timers+0x7e5/0xc70 [ 363.990715] ? timer_fixup_init+0x70/0x70 [ 363.994888] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 363.999912] ? zap_class+0x640/0x640 [ 364.003631] ? enqueue_hrtimer+0x1a5/0x560 [ 364.007911] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 364.013109] ? find_held_lock+0x36/0x1c0 [ 364.017202] ? zap_class+0x640/0x640 [ 364.020921] ? pvclock_read_flags+0x160/0x160 [ 364.025427] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.030989] ? check_preemption_disabled+0x48/0x280 [ 364.036065] ? __lock_is_held+0xb5/0x140 [ 364.040133] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.045679] ? check_preemption_disabled+0x48/0x280 [ 364.050706] run_timer_softirq+0x52/0xb0 [ 364.054780] ? rcu_read_lock_sched_held+0x14f/0x180 [ 364.059813] __do_softirq+0x308/0xb7e [ 364.063624] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 364.068169] ? lock_downgrade+0x900/0x900 [ 364.072330] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 364.077449] ? pvclock_read_flags+0x160/0x160 [ 364.081957] ? lapic_next_event+0x5a/0x90 [ 364.086125] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.091676] ? kvm_clock_read+0x18/0x30 [ 364.095660] ? kvm_sched_clock_read+0x9/0x20 [ 364.100078] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.105628] ? check_preemption_disabled+0x48/0x280 [ 364.110659] irq_exit+0x17f/0x1c0 [ 364.114124] smp_apic_timer_interrupt+0x1cb/0x760 [ 364.118976] ? smp_reschedule_interrupt+0x109/0x650 [ 364.124031] ? smp_call_function_single_interrupt+0x650/0x650 [ 364.129923] ? interrupt_entry+0xb5/0xc0 [ 364.134004] ? trace_hardirqs_off_caller+0xbb/0x310 [ 364.139034] ? trace_hardirqs_off_caller+0xbb/0x310 [ 364.144056] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 364.148906] ? trace_hardirqs_on_caller+0x310/0x310 [ 364.153931] ? trace_hardirqs_on_caller+0x310/0x310 [ 364.158956] ? task_prio+0x50/0x50 [ 364.162513] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.168057] ? check_preemption_disabled+0x48/0x280 [ 364.173087] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 364.177948] apic_timer_interrupt+0xf/0x20 [ 364.182179] [ 364.184422] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 364.189360] Code: 7e 0f 85 cf fe ff ff e8 66 cb 3d ff e9 c5 fe ff ff e8 0d 01 c3 ff 48 83 3d a5 49 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 42 f3 [ 364.208276] RSP: 0018:ffff888195497718 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 364.216021] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 364.223312] RDX: 0000000000000000 RSI: ffff8881d2488b40 RDI: 0000000000000282 [ 364.230628] RBP: ffff888195497780 R08: ffff8881d24882c0 R09: 0000000000000000 [ 364.237914] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 364.245197] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020 [ 364.252523] skb_clone+0x1bb/0x500 [ 364.256078] ? skb_split+0x11e0/0x11e0 [ 364.259980] ? check_preemption_disabled+0x48/0x280 [ 364.265036] ? __this_cpu_preempt_check+0x1c/0x20 [ 364.269895] ? __bpf_redirect+0x55b/0xb60 [ 364.274054] ? __switch_to_asm+0x34/0x70 [ 364.278129] ? __switch_to_asm+0x40/0x70 [ 364.282241] bpf_clone_redirect+0xb9/0x490 [ 364.286501] bpf_prog_3d1649e183dc2cc1+0xaf9/0x1000 [ 364.291543] ? __sched_text_start+0x8/0x8 [ 364.295726] ? find_held_lock+0x36/0x1c0 [ 364.299805] ? lock_acquire+0x1ed/0x520 [ 364.303787] ? bpf_test_run+0x3cb/0x780 [ 364.307770] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.313806] ? check_preemption_disabled+0x48/0x280 [ 364.318840] ? kasan_check_read+0x11/0x20 [ 364.323007] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 364.328294] ? rcu_softirq_qs+0x20/0x20 [ 364.332282] ? preempt_schedule+0x4d/0x60 [ 364.336438] ? ___preempt_schedule+0x16/0x18 [ 364.340871] ? bpf_test_run+0x25d/0x780 [ 364.344869] ? netlink_diag_dump+0x2a0/0x2a0 [ 364.349319] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 364.354871] ? bpf_test_init.isra.10+0x70/0x100 [ 364.359554] ? bpf_prog_test_run_skb+0x73b/0xd10 [ 364.364351] ? bpf_test_finish.isra.9+0x260/0x260 [ 364.369208] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 364.374763] ? fput+0x130/0x1a0 [ 364.378059] ? __bpf_prog_get+0x9b/0x290 [ 364.382132] ? bpf_test_finish.isra.9+0x260/0x260 [ 364.386987] ? bpf_prog_test_run+0x130/0x1a0 [ 364.391428] ? __x64_sys_bpf+0x3db/0x520 [ 364.395495] ? bpf_prog_get+0x20/0x20 [ 364.399327] ? do_syscall_64+0x1b9/0x820 [ 364.403402] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 364.408792] ? syscall_return_slowpath+0x5e0/0x5e0 [ 364.413735] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 364.418592] ? trace_hardirqs_on_caller+0x310/0x310 [ 364.423627] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 364.428658] ? prepare_exit_to_usermode+0x291/0x3b0 [ 364.433692] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 364.438552] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 364.443946] CPU: 0 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #167 [ 364.444022] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 364.450969] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 364.450975] Call Trace: [ 364.450981] [ 364.451012] dump_stack+0x244/0x39d [ 364.451029] ? dump_stack_print_info.cold.1+0x20/0x20 [ 364.451068] warn_alloc.cold.116+0xb7/0x1bd [ 364.457607] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 364.466910] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 364.469471] syz-executor0 cpuset=syz0 mems_allowed=0 [ 364.471623] ? lock_downgrade+0x900/0x900 [ 364.509287] ? trace_hardirqs_off+0xb8/0x310 [ 364.513719] ? trace_hardirqs_off+0xb8/0x310 [ 364.518151] __alloc_pages_slowpath+0x2651/0x2de0 [ 364.523043] ? warn_alloc+0x120/0x120 [ 364.526860] ? print_usage_bug+0xc0/0xc0 [ 364.530927] ? warn_alloc+0x120/0x120 [ 364.534740] ? warn_alloc+0x120/0x120 [ 364.538560] ? print_usage_bug+0xc0/0xc0 [ 364.542626] ? kvm_clock_read+0x18/0x30 [ 364.546603] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 364.551639] ? print_usage_bug+0xc0/0xc0 [ 364.555707] ? __lock_acquire+0x62f/0x4c20 [ 364.559949] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 364.565493] ? should_fail+0x22d/0xd01 [ 364.569391] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 364.574676] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 364.579789] ? __lock_acquire+0x62f/0x4c20 [ 364.584035] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 364.589137] ? __lock_acquire+0x62f/0x4c20 [ 364.593373] ? should_fail+0x22d/0xd01 [ 364.597272] ? rcu_irq_exit+0x1a2/0x390 [ 364.601275] ? mark_held_locks+0x130/0x130 [ 364.605517] ? mark_held_locks+0x130/0x130 [ 364.609764] ? mark_held_locks+0xc7/0x130 [ 364.613929] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 364.618949] ? zap_class+0x640/0x640 [ 364.622666] ? print_usage_bug+0xc0/0xc0 [ 364.626755] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.632293] ? check_preemption_disabled+0x48/0x280 [ 364.637325] ? __lock_is_held+0xb5/0x140 [ 364.641417] __alloc_pages_nodemask+0xad8/0xea0 [ 364.646092] ? zap_class+0x640/0x640 [ 364.649822] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 364.654856] ? find_held_lock+0x36/0x1c0 [ 364.658935] ? ____cache_alloc_node+0x1c7/0x1e0 [ 364.663612] ? lock_downgrade+0x900/0x900 [ 364.667773] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.673320] cache_grow_begin+0xa5/0x8c0 [ 364.677391] ? do_raw_spin_unlock+0xa7/0x330 [ 364.681812] fallback_alloc+0x204/0x2e0 [ 364.685800] ____cache_alloc_node+0x1c7/0x1e0 [ 364.690312] kmem_cache_alloc_node+0xe3/0x730 [ 364.694811] ? ipv6_get_ifaddr+0x42e/0x620 [ 364.699057] __alloc_skb+0x119/0x770 [ 364.702770] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 364.708056] ? netdev_alloc_frag+0x1f0/0x1f0 [ 364.712469] ? lock_downgrade+0x900/0x900 [ 364.716631] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.722172] ? refcount_sub_and_test_checked+0x203/0x310 [ 364.727651] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 364.733126] ? addrconf_rs_timer+0x690/0x690 [ 364.737584] ndisc_alloc_skb+0x144/0x340 [ 364.741654] ndisc_send_rs+0x331/0x6e0 [ 364.745551] addrconf_rs_timer+0x314/0x690 [ 364.749796] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 364.754091] call_timer_fn+0x272/0x920 [ 364.757984] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 364.762234] ? process_timeout+0x40/0x40 [ 364.766328] ? mark_held_locks+0xc7/0x130 [ 364.770488] ? _raw_spin_unlock_irq+0x27/0x80 [ 364.774986] ? _raw_spin_unlock_irq+0x27/0x80 [ 364.779491] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 364.783736] ? lockdep_hardirqs_on+0x296/0x5b0 [ 364.788342] ? trace_hardirqs_on+0xbd/0x310 [ 364.792679] ? kasan_check_read+0x11/0x20 [ 364.796837] ? __run_timers+0x7da/0xc70 [ 364.800828] ? trace_hardirqs_off_caller+0x310/0x310 [ 364.805946] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 364.810191] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 364.814431] __run_timers+0x7e5/0xc70 [ 364.818245] ? timer_fixup_init+0x70/0x70 [ 364.822400] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 364.827432] ? zap_class+0x640/0x640 [ 364.831157] ? print_usage_bug+0xc0/0xc0 [ 364.835238] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 364.840446] ? find_held_lock+0x36/0x1c0 [ 364.844516] ? zap_class+0x640/0x640 [ 364.848241] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.853788] ? check_preemption_disabled+0x48/0x280 [ 364.858823] ? __lock_is_held+0xb5/0x140 [ 364.862900] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.868457] ? check_preemption_disabled+0x48/0x280 [ 364.873483] run_timer_softirq+0x52/0xb0 [ 364.877571] ? rcu_read_lock_sched_held+0x14f/0x180 [ 364.882613] __do_softirq+0x308/0xb7e [ 364.886426] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 364.890934] ? lock_downgrade+0x900/0x900 [ 364.895095] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 364.900213] ? pvclock_read_flags+0x160/0x160 [ 364.904740] ? lapic_next_event+0x5a/0x90 [ 364.908910] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.914457] ? kvm_clock_read+0x18/0x30 [ 364.918434] ? kvm_sched_clock_read+0x9/0x20 [ 364.922848] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 364.928397] ? check_preemption_disabled+0x48/0x280 [ 364.933425] irq_exit+0x17f/0x1c0 [ 364.936890] smp_apic_timer_interrupt+0x1cb/0x760 [ 364.941737] ? smp_reschedule_interrupt+0x109/0x650 [ 364.946761] ? smp_call_function_single_interrupt+0x650/0x650 [ 364.952653] ? interrupt_entry+0xb5/0xc0 [ 364.956719] ? trace_hardirqs_off_caller+0xbb/0x310 [ 364.961735] ? trace_hardirqs_off_caller+0xbb/0x310 [ 364.966778] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 364.971651] ? trace_hardirqs_on_caller+0x310/0x310 [ 364.976666] ? trace_hardirqs_on_caller+0x310/0x310 [ 364.981696] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 364.986550] apic_timer_interrupt+0xf/0x20 [ 364.990794] [ 364.993036] RIP: 0010:dump_stack+0x358/0x39d [ 364.997451] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 f1 36 ed f9 48 83 3d f9 27 7c 01 00 0f 84 63 fe ff ff e8 6e b7 a9 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b b7 a9 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 365.016368] RSP: 0000:ffff8881bb40e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 365.024086] RAX: ffff8881c2208180 RBX: 1ffffffff12a3f6e RCX: 1ffff1103844114e [ 365.031363] RDX: 0000000000000000 RSI: ffffffff87d5d382 RDI: 0000000000000293 [ 365.038634] RBP: ffff8881bb40e290 R08: ffff8881c2208a70 R09: 0000000000000006 [ 365.045907] R10: 0000000000000000 R11: ffff8881c2208180 R12: 1ffff11037681c45 [ 365.053177] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 365.060479] ? dump_stack+0x34f/0x39d [ 365.064330] ? dump_stack_print_info.cold.1+0x20/0x20 [ 365.069531] ? mark_held_locks+0x130/0x130 [ 365.073773] ? mark_held_locks+0x130/0x130 [ 365.078035] dump_header+0x27b/0xf72 [ 365.081795] ? pagefault_out_of_memory+0x197/0x197 [ 365.086735] ? __lock_acquire+0x62f/0x4c20 [ 365.090976] ? percpu_ref_get_many+0x240/0x240 [ 365.095605] ? print_usage_bug+0xc0/0xc0 [ 365.099678] ? zap_class+0x640/0x640 [ 365.103397] ? print_usage_bug+0xc0/0xc0 [ 365.107465] ? print_usage_bug+0xc0/0xc0 [ 365.111532] ? zap_class+0x640/0x640 [ 365.115265] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.120844] ? find_held_lock+0x36/0x1c0 [ 365.124940] ? mark_held_locks+0xc7/0x130 [ 365.129092] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 365.134197] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 365.139308] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 365.143896] ? trace_hardirqs_on+0xbd/0x310 [ 365.148219] ? kasan_check_read+0x11/0x20 [ 365.152375] ? ___ratelimit+0x3b4/0x672 [ 365.156361] ? trace_hardirqs_off_caller+0x310/0x310 [ 365.161469] ? trace_hardirqs_on+0x310/0x310 [ 365.165881] ? lock_downgrade+0x900/0x900 [ 365.170041] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 365.175150] ? ___ratelimit+0x3b9/0x672 [ 365.179601] ? idr_get_free+0xf70/0xf70 [ 365.183578] ? find_held_lock+0x36/0x1c0 [ 365.187658] oom_kill_process.cold.27+0x10/0x903 [ 365.192418] ? zap_class+0x640/0x640 [ 365.196139] ? check_preemption_disabled+0x48/0x280 [ 365.201164] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 365.206100] ? kasan_check_read+0x11/0x20 [ 365.210257] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 365.215539] ? oom_evaluate_task+0x540/0x540 [ 365.219985] ? find_held_lock+0x36/0x1c0 [ 365.224070] ? out_of_memory+0x974/0x1430 [ 365.228229] ? lock_downgrade+0x900/0x900 [ 365.232384] ? check_preemption_disabled+0x48/0x280 [ 365.237437] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 365.242374] ? kasan_check_read+0x11/0x20 [ 365.246570] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 365.251848] ? rcu_softirq_qs+0x20/0x20 [ 365.255842] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 365.261397] ? oom_evaluate_task+0x302/0x540 [ 365.265817] out_of_memory+0xa84/0x1430 [ 365.269803] ? oom_killer_disable+0x3a0/0x3a0 [ 365.274309] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 365.279259] ? __ww_mutex_check_waiters+0x160/0x160 [ 365.284306] __alloc_pages_slowpath+0x232c/0x2de0 [ 365.289195] ? warn_alloc+0x120/0x120 [ 365.293010] ? mark_held_locks+0x130/0x130 [ 365.297267] ? find_get_entry+0xaae/0x1120 [ 365.301517] ? filemap_map_pages+0x1a20/0x1a20 [ 365.306114] ? zap_class+0x640/0x640 [ 365.309838] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.315387] ? check_preemption_disabled+0x48/0x280 [ 365.320416] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 365.325961] ? should_fail+0x22d/0xd01 [ 365.329862] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 365.334975] ? zap_class+0x640/0x640 [ 365.338723] ? __lock_is_held+0xb5/0x140 [ 365.342831] ? mark_held_locks+0x130/0x130 [ 365.347070] ? lock_release+0xa00/0xa00 [ 365.351048] ? perf_trace_sched_process_exec+0x860/0x860 [ 365.356500] ? xa_load+0x2ba/0x460 [ 365.360074] ? lock_downgrade+0x900/0x900 [ 365.364232] ? __might_sleep+0x95/0x190 [ 365.368221] __alloc_pages_nodemask+0xad8/0xea0 [ 365.372903] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 365.377928] ? __page_cache_alloc+0x191/0x5c0 [ 365.382424] ? xa_load+0x2e1/0x460 [ 365.385965] ? xa_clear_mark+0x40/0x40 [ 365.389873] ? zap_class+0x640/0x640 [ 365.393601] ? zap_class+0x640/0x640 [ 365.397319] ? zap_class+0x640/0x640 [ 365.401036] ? __do_page_cache_readahead+0x663/0x810 [ 365.406152] ? find_held_lock+0x36/0x1c0 [ 365.410221] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 365.415772] alloc_pages_current+0x173/0x350 [ 365.420197] __page_cache_alloc+0x38c/0x5c0 [ 365.424528] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 365.429472] ? kasan_check_read+0x11/0x20 [ 365.433627] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 365.438931] ? generic_perform_write+0x6a0/0x6a0 [ 365.443701] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 365.449251] ? check_preemption_disabled+0x48/0x280 [ 365.454294] filemap_fault+0x1595/0x25f0 [ 365.458383] ? __lock_page_or_retry+0xa00/0xa00 [ 365.463063] ? mark_held_locks+0x130/0x130 [ 365.467317] ? filemap_map_pages+0xd6b/0x1a20 [ 365.471816] ? lock_downgrade+0x900/0x900 [ 365.475967] ? check_preemption_disabled+0x48/0x280 [ 365.481012] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 365.485952] ? kasan_check_read+0x11/0x20 [ 365.490104] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 365.495399] ? rcu_softirq_qs+0x20/0x20 [ 365.499400] ? filemap_map_pages+0xd92/0x1a20 [ 365.503912] ? find_get_entries_tag+0x1400/0x1400 [ 365.508767] ? debug_object_destroy+0x2b0/0x2b0 [ 365.513444] ? lock_pi_update_atomic+0x150/0x150 [ 365.518206] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.523759] ? lock_acquire+0x1ed/0x520 [ 365.527739] ? ext4_filemap_fault+0x7a/0xad [ 365.532075] ? lock_release+0xa00/0xa00 [ 365.536052] ? perf_trace_sched_process_exec+0x860/0x860 [ 365.541510] ? print_usage_bug+0xc0/0xc0 [ 365.545590] ? print_usage_bug+0xc0/0xc0 [ 365.549664] ? down_read+0x8d/0x120 [ 365.553291] ? ext4_filemap_fault+0x7a/0xad [ 365.557618] ? __down_interruptible+0x700/0x700 [ 365.562301] ext4_filemap_fault+0x82/0xad [ 365.566473] __do_fault+0x100/0x6b0 [ 365.570123] ? find_held_lock+0x36/0x1c0 [ 365.574199] ? pmd_devmap_trans_unstable+0x220/0x220 [ 365.579309] ? mark_held_locks+0x130/0x130 [ 365.583564] ? mark_held_locks+0x130/0x130 [ 365.587804] ? debug_smp_processor_id+0x1c/0x20 [ 365.592478] ? perf_trace_lock+0x14d/0x7a0 [ 365.596753] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 365.602314] __handle_mm_fault+0x3ea0/0x5be0 [ 365.606752] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 365.611603] ? lock_is_held_type+0x210/0x210 [ 365.616028] ? __switch_to_asm+0x34/0x70 [ 365.620095] ? __switch_to_asm+0x34/0x70 [ 365.624188] ? zap_class+0x640/0x640 [ 365.627917] ? zap_class+0x640/0x640 [ 365.631646] ? __x64_sys_futex+0x53e/0x6a0 [ 365.635890] ? find_held_lock+0x36/0x1c0 [ 365.639966] ? handle_mm_fault+0x42a/0xc70 [ 365.644216] ? lock_downgrade+0x900/0x900 [ 365.648380] ? check_preemption_disabled+0x48/0x280 [ 365.653407] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 365.658345] ? kasan_check_read+0x11/0x20 [ 365.662502] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 365.667790] ? rcu_softirq_qs+0x20/0x20 [ 365.671779] ? trace_hardirqs_off_caller+0x310/0x310 [ 365.676903] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 365.682447] ? check_preemption_disabled+0x48/0x280 [ 365.687477] handle_mm_fault+0x54f/0xc70 [ 365.691547] ? __handle_mm_fault+0x5be0/0x5be0 [ 365.696169] ? find_vma+0x34/0x190 [ 365.699720] __do_page_fault+0x5e8/0xe60 [ 365.703783] ? trace_hardirqs_off+0xb8/0x310 [ 365.708207] do_page_fault+0xf2/0x7e0 [ 365.712022] ? vmalloc_sync_all+0x30/0x30 [ 365.716175] ? error_entry+0x70/0xd0 [ 365.719891] ? trace_hardirqs_off_caller+0xbb/0x310 [ 365.724908] ? trace_hardirqs_on_caller+0xc0/0x310 [ 365.729857] ? syscall_return_slowpath+0x5e0/0x5e0 [ 365.734790] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 365.739643] ? trace_hardirqs_on_caller+0x310/0x310 [ 365.744659] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 365.750120] ? prepare_exit_to_usermode+0x291/0x3b0 [ 365.755137] ? page_fault+0x8/0x30 [ 365.758694] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 365.763547] ? page_fault+0x8/0x30 [ 365.767093] page_fault+0x1e/0x30 [ 365.770546] RIP: 0033:0x45ddf3 [ 365.773750] Code: Bad RIP value. [ 365.777126] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 365.782490] RAX: ffffffffffffff92 RBX: 0000000028898d51 RCX: 000000000045ddf3 [ 365.789765] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014f1120 [ 365.797038] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 365.804315] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 365.811697] R13: 000000c42841fe60 R14: 0000000000000001 R15: 0000000000000000 [ 365.819017] warn_alloc_show_mem: 1 callbacks suppressed [ 365.819029] CPU: 1 PID: 16798 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #167 [ 365.819031] Mem-Info: [ 365.819062] active_anon:45985 inactive_anon:296 isolated_anon:0 [ 365.819062] active_file:15 inactive_file:8 isolated_file:0 [ 365.819062] unevictable:0 dirty:0 writeback:0 unstable:0 [ 365.819062] slab_reclaimable:9236 slab_unreclaimable:1461135 [ 365.819062] mapped:40979 shmem:353 pagetables:587 bounce:0 [ 365.819062] free:13771 free_pcp:249 free_cma:0 [ 365.824399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 365.824409] Call Trace: [ 365.831841] Node 0 active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1412kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 365.834249] [ 365.867042] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 365.876423] dump_stack+0x244/0x39d [ 365.878981] lowmem_reserve[]: 0 2818 6321 6321 [ 365.906681] ? dump_stack_print_info.cold.1+0x20/0x20 [ 365.908801] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:404kB local_pcp:156kB free_cma:0kB [ 365.934939] warn_alloc.cold.116+0xb7/0x1bd [ 365.938539] lowmem_reserve[]: 0 0 3503 3503 [ 365.943128] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 365.948305] Node 0 Normal free:14000kB min:37364kB low:46704kB high:56044kB active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2348kB bounce:0kB free_pcp:592kB local_pcp:388kB free_cma:0kB [ 365.975816] ? lock_downgrade+0x900/0x900 [ 365.980112] lowmem_reserve[]: 0 0 0 0 [ 365.984443] ? trace_hardirqs_off+0xb8/0x310 [ 365.989253] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 366.018241] ? trace_hardirqs_off+0xb8/0x310 [ 366.022382] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 2*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 366.026184] __alloc_pages_slowpath+0x2651/0x2de0 [ 366.030575] Node 0 Normal: 794*4kB (MEH) 441*8kB (UMEH) 176*16kB (UME) 69*32kB (UMEH) 18*64kB (UM) 1*128kB (U) 2*256kB (U) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14032kB [ 366.044232] ? warn_alloc+0x120/0x120 [ 366.048607] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 366.063697] ? print_usage_bug+0xc0/0xc0 [ 366.068526] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 366.083960] ? warn_alloc+0x120/0x120 [ 366.087741] 376 total pagecache pages [ 366.096582] ? warn_alloc+0x120/0x120 [ 366.100628] 0 pages in swap cache [ 366.109199] ? print_usage_bug+0xc0/0xc0 [ 366.112974] Swap cache stats: add 0, delete 0, find 0/0 [ 366.116795] ? print_usage_bug+0xc0/0xc0 [ 366.120569] Free swap = 0kB [ 366.124024] ? __lock_acquire+0x62f/0x4c20 [ 366.128058] Total swap = 0kB [ 366.133426] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 366.137457] 1965979 pages RAM [ 366.140477] ? should_fail+0x22d/0xd01 [ 366.144682] 0 pages HighMem/MovableOnly [ 366.147709] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 366.153208] 342854 pages reserved [ 366.153217] 0 pages cma reserved [ 366.156323] ? __lock_acquire+0x62f/0x4c20 [ 366.160340] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 366.164242] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 366.169438] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 366.172776] ? __lock_acquire+0x62f/0x4c20 [ 366.176120] syz-fuzzer cpuset=/ mems_allowed=0 [ 366.180353] ? should_fail+0x22d/0xd01 [ 366.214902] ? find_held_lock+0x36/0x1c0 [ 366.218984] ? mark_held_locks+0x130/0x130 [ 366.223261] ? mark_held_locks+0x130/0x130 [ 366.227501] ? zap_class+0x640/0x640 [ 366.231239] ? zap_class+0x640/0x640 [ 366.234964] ? print_usage_bug+0xc0/0xc0 [ 366.239039] ? do_raw_spin_unlock+0xa7/0x330 [ 366.243459] ? zap_class+0x640/0x640 [ 366.247182] ? print_usage_bug+0xc0/0xc0 [ 366.251251] ? wq_watchdog_touch+0x9c/0xfe [ 366.255494] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.261047] ? check_preemption_disabled+0x48/0x280 [ 366.266089] ? __lock_is_held+0xb5/0x140 [ 366.270167] __alloc_pages_nodemask+0xad8/0xea0 [ 366.274843] ? zap_class+0x640/0x640 [ 366.278572] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 366.283612] ? find_held_lock+0x36/0x1c0 [ 366.287696] ? ____cache_alloc_node+0x1c7/0x1e0 [ 366.292377] ? lock_downgrade+0x900/0x900 [ 366.296543] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.302094] cache_grow_begin+0xa5/0x8c0 [ 366.306165] ? do_raw_spin_unlock+0xa7/0x330 [ 366.311115] fallback_alloc+0x204/0x2e0 [ 366.315108] ____cache_alloc_node+0x1c7/0x1e0 [ 366.319617] kmem_cache_alloc_node+0xe3/0x730 [ 366.324135] ? ipv6_get_ifaddr+0x42e/0x620 [ 366.328382] __alloc_skb+0x119/0x770 [ 366.332104] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 366.337395] ? netdev_alloc_frag+0x1f0/0x1f0 [ 366.341809] ? lock_downgrade+0x900/0x900 [ 366.345991] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.351568] ? refcount_sub_and_test_checked+0x203/0x310 [ 366.357039] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 366.362502] ? addrconf_rs_timer+0x690/0x690 [ 366.366936] ndisc_alloc_skb+0x144/0x340 [ 366.371021] ndisc_send_rs+0x331/0x6e0 [ 366.374929] addrconf_rs_timer+0x314/0x690 [ 366.379181] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 366.383439] call_timer_fn+0x272/0x920 [ 366.387338] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 366.391604] ? process_timeout+0x40/0x40 [ 366.395684] ? __run_timers+0x7da/0xc70 [ 366.399667] ? _raw_spin_unlock_irq+0x27/0x80 [ 366.404179] ? _raw_spin_unlock_irq+0x27/0x80 [ 366.408680] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 366.412922] ? lockdep_hardirqs_on+0x296/0x5b0 [ 366.417515] ? trace_hardirqs_on+0xbd/0x310 [ 366.421841] ? kasan_check_read+0x11/0x20 [ 366.426005] ? __run_timers+0x7da/0xc70 [ 366.430014] ? trace_hardirqs_off_caller+0x310/0x310 [ 366.435131] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 366.439380] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 366.443619] __run_timers+0x7e5/0xc70 [ 366.447437] ? timer_fixup_init+0x70/0x70 [ 366.451597] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 366.456620] ? zap_class+0x640/0x640 [ 366.460342] ? enqueue_hrtimer+0x1a5/0x560 [ 366.464595] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 366.469801] ? find_held_lock+0x36/0x1c0 [ 366.473881] ? zap_class+0x640/0x640 [ 366.477616] ? pvclock_read_flags+0x160/0x160 [ 366.482128] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.487680] ? check_preemption_disabled+0x48/0x280 [ 366.492719] ? __lock_is_held+0xb5/0x140 [ 366.496809] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.502374] ? check_preemption_disabled+0x48/0x280 [ 366.507410] run_timer_softirq+0x52/0xb0 [ 366.511481] ? rcu_read_lock_sched_held+0x14f/0x180 [ 366.516513] __do_softirq+0x308/0xb7e [ 366.520333] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 366.524842] ? lock_downgrade+0x900/0x900 [ 366.529034] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 366.534162] ? pvclock_read_flags+0x160/0x160 [ 366.538669] ? lapic_next_event+0x5a/0x90 [ 366.542830] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.548389] ? kvm_clock_read+0x18/0x30 [ 366.552386] ? kvm_sched_clock_read+0x9/0x20 [ 366.556812] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.562373] ? check_preemption_disabled+0x48/0x280 [ 366.567413] irq_exit+0x17f/0x1c0 [ 366.570883] smp_apic_timer_interrupt+0x1cb/0x760 [ 366.575746] ? smp_reschedule_interrupt+0x109/0x650 [ 366.580783] ? smp_call_function_single_interrupt+0x650/0x650 [ 366.586684] ? interrupt_entry+0xb5/0xc0 [ 366.590762] ? trace_hardirqs_off_caller+0xbb/0x310 [ 366.595821] ? trace_hardirqs_off_caller+0xbb/0x310 [ 366.600894] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 366.605757] ? trace_hardirqs_on_caller+0x310/0x310 [ 366.610784] ? trace_hardirqs_on_caller+0x310/0x310 [ 366.615824] ? task_prio+0x50/0x50 [ 366.619382] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.624938] ? check_preemption_disabled+0x48/0x280 [ 366.629974] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 366.634846] apic_timer_interrupt+0xf/0x20 [ 366.639088] [ 366.641354] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 366.646292] Code: 7e 0f 85 cf fe ff ff e8 66 cb 3d ff e9 c5 fe ff ff e8 0d 01 c3 ff 48 83 3d a5 49 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 42 f3 [ 366.665210] RSP: 0018:ffff888195497718 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 366.672960] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 366.680249] RDX: 0000000000000000 RSI: ffff8881d2488b40 RDI: 0000000000000282 [ 366.687541] RBP: ffff888195497780 R08: ffff8881d24882c0 R09: 0000000000000000 [ 366.694836] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 366.702125] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020 [ 366.709468] skb_clone+0x1bb/0x500 [ 366.713034] ? skb_split+0x11e0/0x11e0 [ 366.716938] ? check_preemption_disabled+0x48/0x280 [ 366.721973] ? __this_cpu_preempt_check+0x1c/0x20 [ 366.726879] ? __bpf_redirect+0x55b/0xb60 [ 366.731040] ? __switch_to_asm+0x34/0x70 [ 366.735109] ? __switch_to_asm+0x40/0x70 [ 366.739188] bpf_clone_redirect+0xb9/0x490 [ 366.743443] bpf_prog_3d1649e183dc2cc1+0xaf9/0x1000 [ 366.748473] ? __sched_text_start+0x8/0x8 [ 366.752640] ? find_held_lock+0x36/0x1c0 [ 366.756744] ? lock_acquire+0x1ed/0x520 [ 366.760739] ? bpf_test_run+0x3cb/0x780 [ 366.764750] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.770300] ? check_preemption_disabled+0x48/0x280 [ 366.775375] ? kasan_check_read+0x11/0x20 [ 366.779531] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 366.784814] ? rcu_softirq_qs+0x20/0x20 [ 366.788796] ? preempt_schedule+0x4d/0x60 [ 366.792954] ? ___preempt_schedule+0x16/0x18 [ 366.797379] ? bpf_test_run+0x25d/0x780 [ 366.801374] ? netlink_diag_dump+0x2a0/0x2a0 [ 366.805795] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 366.811343] ? bpf_test_init.isra.10+0x70/0x100 [ 366.816035] ? bpf_prog_test_run_skb+0x73b/0xd10 [ 366.820810] ? bpf_test_finish.isra.9+0x260/0x260 [ 366.825660] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 366.831204] ? fput+0x130/0x1a0 [ 366.834493] ? __bpf_prog_get+0x9b/0x290 [ 366.838564] ? bpf_test_finish.isra.9+0x260/0x260 [ 366.843414] ? bpf_prog_test_run+0x130/0x1a0 [ 366.847833] ? __x64_sys_bpf+0x3db/0x520 [ 366.851903] ? bpf_prog_get+0x20/0x20 [ 366.855732] ? do_syscall_64+0x1b9/0x820 [ 366.859815] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 366.865191] ? syscall_return_slowpath+0x5e0/0x5e0 [ 366.870132] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 366.874989] ? trace_hardirqs_on_caller+0x310/0x310 [ 366.880033] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 366.885061] ? prepare_exit_to_usermode+0x291/0x3b0 [ 366.890134] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 366.895000] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 366.900389] CPU: 0 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #167 [ 366.900457] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 366.907410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 366.907420] Call Trace: [ 366.914055] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 366.923289] [ 366.925866] syz-executor0 cpuset=syz0 mems_allowed=0 [ 366.936369] dump_stack+0x244/0x39d [ 366.947233] ? dump_stack_print_info.cold.1+0x20/0x20 [ 366.952443] warn_alloc.cold.116+0xb7/0x1bd [ 366.956775] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 366.961625] ? lock_downgrade+0x900/0x900 [ 366.965782] ? trace_hardirqs_off+0xb8/0x310 [ 366.970202] ? trace_hardirqs_off+0xb8/0x310 [ 366.974638] __alloc_pages_slowpath+0x2651/0x2de0 [ 366.979511] ? warn_alloc+0x120/0x120 [ 366.983318] ? print_usage_bug+0xc0/0xc0 [ 366.987383] ? warn_alloc+0x120/0x120 [ 366.991191] ? warn_alloc+0x120/0x120 [ 366.995007] ? print_usage_bug+0xc0/0xc0 [ 366.999073] ? kvm_clock_read+0x18/0x30 [ 367.003060] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 367.008078] ? print_usage_bug+0xc0/0xc0 [ 367.012174] ? __lock_acquire+0x62f/0x4c20 [ 367.016435] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 367.021989] ? should_fail+0x22d/0xd01 [ 367.025885] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 367.031187] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 367.036296] ? __lock_acquire+0x62f/0x4c20 [ 367.040573] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 367.045695] ? __lock_acquire+0x62f/0x4c20 [ 367.049934] ? should_fail+0x22d/0xd01 [ 367.053821] ? rcu_irq_exit+0x1a2/0x390 [ 367.057807] ? mark_held_locks+0x130/0x130 [ 367.062060] ? mark_held_locks+0x130/0x130 [ 367.066304] ? mark_held_locks+0xc7/0x130 [ 367.070456] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 367.075477] ? zap_class+0x640/0x640 [ 367.079194] ? print_usage_bug+0xc0/0xc0 [ 367.083271] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.088815] ? check_preemption_disabled+0x48/0x280 [ 367.093849] ? __lock_is_held+0xb5/0x140 [ 367.097933] __alloc_pages_nodemask+0xad8/0xea0 [ 367.102618] ? zap_class+0x640/0x640 [ 367.106373] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 367.111419] ? find_held_lock+0x36/0x1c0 [ 367.115493] ? ____cache_alloc_node+0x1c7/0x1e0 [ 367.120171] ? lock_downgrade+0x900/0x900 [ 367.124328] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.129887] cache_grow_begin+0xa5/0x8c0 [ 367.133972] ? do_raw_spin_unlock+0xa7/0x330 [ 367.138483] fallback_alloc+0x204/0x2e0 [ 367.142477] ____cache_alloc_node+0x1c7/0x1e0 [ 367.146980] kmem_cache_alloc_node+0xe3/0x730 [ 367.151507] ? ipv6_get_ifaddr+0x42e/0x620 [ 367.155755] __alloc_skb+0x119/0x770 [ 367.159472] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 367.164760] ? netdev_alloc_frag+0x1f0/0x1f0 [ 367.169170] ? lock_downgrade+0x900/0x900 [ 367.173330] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.179384] ? refcount_sub_and_test_checked+0x203/0x310 [ 367.184863] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 367.190323] ? addrconf_rs_timer+0x690/0x690 [ 367.194750] ndisc_alloc_skb+0x144/0x340 [ 367.198818] ndisc_send_rs+0x331/0x6e0 [ 367.202717] addrconf_rs_timer+0x314/0x690 [ 367.206965] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 367.211221] call_timer_fn+0x272/0x920 [ 367.215113] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 367.219354] ? process_timeout+0x40/0x40 [ 367.223435] ? mark_held_locks+0xc7/0x130 [ 367.227587] ? _raw_spin_unlock_irq+0x27/0x80 [ 367.232085] ? _raw_spin_unlock_irq+0x27/0x80 [ 367.236585] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 367.240829] ? lockdep_hardirqs_on+0x296/0x5b0 [ 367.245421] ? trace_hardirqs_on+0xbd/0x310 [ 367.249839] ? kasan_check_read+0x11/0x20 [ 367.254005] ? __run_timers+0x7da/0xc70 [ 367.257986] ? trace_hardirqs_off_caller+0x310/0x310 [ 367.263108] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 367.267353] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 367.271593] __run_timers+0x7e5/0xc70 [ 367.275412] ? timer_fixup_init+0x70/0x70 [ 367.279567] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 367.284594] ? zap_class+0x640/0x640 [ 367.288316] ? print_usage_bug+0xc0/0xc0 [ 367.292393] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 367.297596] ? find_held_lock+0x36/0x1c0 [ 367.301681] ? zap_class+0x640/0x640 [ 367.305406] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.310949] ? check_preemption_disabled+0x48/0x280 [ 367.315992] ? __lock_is_held+0xb5/0x140 [ 367.320071] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.325618] ? check_preemption_disabled+0x48/0x280 [ 367.330646] run_timer_softirq+0x52/0xb0 [ 367.334710] ? rcu_read_lock_sched_held+0x14f/0x180 [ 367.339731] __do_softirq+0x308/0xb7e [ 367.343543] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 367.348040] ? lock_downgrade+0x900/0x900 [ 367.352202] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 367.357318] ? pvclock_read_flags+0x160/0x160 [ 367.361833] ? lapic_next_event+0x5a/0x90 [ 367.366004] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.371558] ? kvm_clock_read+0x18/0x30 [ 367.375537] ? kvm_sched_clock_read+0x9/0x20 [ 367.379953] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 367.385504] ? check_preemption_disabled+0x48/0x280 [ 367.390552] irq_exit+0x17f/0x1c0 [ 367.394022] smp_apic_timer_interrupt+0x1cb/0x760 [ 367.398872] ? smp_reschedule_interrupt+0x109/0x650 [ 367.403899] ? smp_call_function_single_interrupt+0x650/0x650 [ 367.409787] ? interrupt_entry+0xb5/0xc0 [ 367.413856] ? trace_hardirqs_off_caller+0xbb/0x310 [ 367.418880] ? trace_hardirqs_off_caller+0xbb/0x310 [ 367.423918] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 367.428766] ? trace_hardirqs_on_caller+0x310/0x310 [ 367.433784] ? trace_hardirqs_on_caller+0x310/0x310 [ 367.438826] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 367.443682] apic_timer_interrupt+0xf/0x20 [ 367.447915] [ 367.450156] RIP: 0010:dump_stack+0x358/0x39d [ 367.454574] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 f1 36 ed f9 48 83 3d f9 27 7c 01 00 0f 84 63 fe ff ff e8 6e b7 a9 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b b7 a9 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 367.473495] RSP: 0000:ffff8881bb40e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 367.481219] RAX: ffff8881c2208180 RBX: 1ffffffff12a3f6e RCX: 1ffff1103844114e [ 367.488492] RDX: 0000000000000000 RSI: ffffffff87d5d382 RDI: 0000000000000293 [ 367.495764] RBP: ffff8881bb40e290 R08: ffff8881c2208a70 R09: 0000000000000006 [ 367.503043] R10: 0000000000000000 R11: ffff8881c2208180 R12: 1ffff11037681c45 [ 367.510315] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 367.517612] ? dump_stack+0x34f/0x39d [ 367.521428] ? dump_stack_print_info.cold.1+0x20/0x20 [ 367.526639] ? mark_held_locks+0x130/0x130 [ 367.530874] ? mark_held_locks+0x130/0x130 [ 367.535115] dump_header+0x27b/0xf72 [ 367.538844] ? pagefault_out_of_memory+0x197/0x197 [ 367.543790] ? __lock_acquire+0x62f/0x4c20 [ 367.548038] ? percpu_ref_get_many+0x240/0x240 [ 367.552631] ? print_usage_bug+0xc0/0xc0 [ 367.556703] ? zap_class+0x640/0x640 [ 367.560423] ? print_usage_bug+0xc0/0xc0 [ 367.564489] ? print_usage_bug+0xc0/0xc0 [ 367.568556] ? zap_class+0x640/0x640 [ 367.572278] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.577825] ? find_held_lock+0x36/0x1c0 [ 367.581898] ? mark_held_locks+0xc7/0x130 [ 367.586054] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 367.591161] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 367.596273] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 367.600857] ? trace_hardirqs_on+0xbd/0x310 [ 367.605181] ? kasan_check_read+0x11/0x20 [ 367.609343] ? ___ratelimit+0x3b4/0x672 [ 367.613325] ? trace_hardirqs_off_caller+0x310/0x310 [ 367.618434] ? trace_hardirqs_on+0x310/0x310 [ 367.622846] ? lock_downgrade+0x900/0x900 [ 367.627015] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 367.632144] ? ___ratelimit+0x3b9/0x672 [ 367.636130] ? idr_get_free+0xf70/0xf70 [ 367.640127] ? find_held_lock+0x36/0x1c0 [ 367.644206] oom_kill_process.cold.27+0x10/0x903 [ 367.648965] ? zap_class+0x640/0x640 [ 367.652689] ? check_preemption_disabled+0x48/0x280 [ 367.657713] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 367.662651] ? kasan_check_read+0x11/0x20 [ 367.666800] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 367.672082] ? oom_evaluate_task+0x540/0x540 [ 367.676498] ? find_held_lock+0x36/0x1c0 [ 367.680570] ? out_of_memory+0x974/0x1430 [ 367.684728] ? lock_downgrade+0x900/0x900 [ 367.688882] ? check_preemption_disabled+0x48/0x280 [ 367.693907] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 367.698839] ? kasan_check_read+0x11/0x20 [ 367.702992] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 367.708283] ? rcu_softirq_qs+0x20/0x20 [ 367.712265] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 367.717820] ? oom_evaluate_task+0x302/0x540 [ 367.722240] out_of_memory+0xa84/0x1430 [ 367.726229] ? oom_killer_disable+0x3a0/0x3a0 [ 367.730762] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 367.735719] ? __ww_mutex_check_waiters+0x160/0x160 [ 367.740769] __alloc_pages_slowpath+0x232c/0x2de0 [ 367.745645] ? warn_alloc+0x120/0x120 [ 367.749449] ? mark_held_locks+0x130/0x130 [ 367.753697] ? find_get_entry+0xaae/0x1120 [ 367.757945] ? filemap_map_pages+0x1a20/0x1a20 [ 367.762535] ? zap_class+0x640/0x640 [ 367.766258] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.771805] ? check_preemption_disabled+0x48/0x280 [ 367.776832] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 367.782379] ? should_fail+0x22d/0xd01 [ 367.786278] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 367.791400] ? zap_class+0x640/0x640 [ 367.795141] ? __lock_is_held+0xb5/0x140 [ 367.799216] ? mark_held_locks+0x130/0x130 [ 367.803456] ? lock_release+0xa00/0xa00 [ 367.807461] ? perf_trace_sched_process_exec+0x860/0x860 [ 367.812914] ? xa_load+0x2ba/0x460 [ 367.816465] ? lock_downgrade+0x900/0x900 [ 367.820619] ? __might_sleep+0x95/0x190 [ 367.824603] __alloc_pages_nodemask+0xad8/0xea0 [ 367.829284] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 367.834310] ? __page_cache_alloc+0x191/0x5c0 [ 367.838808] ? xa_load+0x2e1/0x460 [ 367.842377] ? xa_clear_mark+0x40/0x40 [ 367.846269] ? zap_class+0x640/0x640 [ 367.849991] ? zap_class+0x640/0x640 [ 367.853717] ? zap_class+0x640/0x640 [ 367.857437] ? __do_page_cache_readahead+0x663/0x810 [ 367.862549] ? find_held_lock+0x36/0x1c0 [ 367.866617] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 367.872166] alloc_pages_current+0x173/0x350 [ 367.876589] __page_cache_alloc+0x38c/0x5c0 [ 367.880917] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 367.885854] ? kasan_check_read+0x11/0x20 [ 367.890101] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 367.895394] ? generic_perform_write+0x6a0/0x6a0 [ 367.900155] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 367.905698] ? check_preemption_disabled+0x48/0x280 [ 367.910728] filemap_fault+0x1595/0x25f0 [ 367.914807] ? __lock_page_or_retry+0xa00/0xa00 [ 367.919486] ? mark_held_locks+0x130/0x130 [ 367.923732] ? filemap_map_pages+0xd6b/0x1a20 [ 367.928231] ? lock_downgrade+0x900/0x900 [ 367.932388] ? check_preemption_disabled+0x48/0x280 [ 367.937416] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 367.942348] ? kasan_check_read+0x11/0x20 [ 367.946505] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 367.951796] ? rcu_softirq_qs+0x20/0x20 [ 367.955791] ? filemap_map_pages+0xd92/0x1a20 [ 367.960300] ? find_get_entries_tag+0x1400/0x1400 [ 367.965147] ? debug_object_destroy+0x2b0/0x2b0 [ 367.969838] ? lock_pi_update_atomic+0x150/0x150 [ 367.974598] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.980153] ? lock_acquire+0x1ed/0x520 [ 367.984132] ? ext4_filemap_fault+0x7a/0xad [ 367.988481] ? lock_release+0xa00/0xa00 [ 367.992457] ? perf_trace_sched_process_exec+0x860/0x860 [ 367.997914] ? print_usage_bug+0xc0/0xc0 [ 368.001976] ? print_usage_bug+0xc0/0xc0 [ 368.006061] ? down_read+0x8d/0x120 [ 368.009688] ? ext4_filemap_fault+0x7a/0xad [ 368.014023] ? __down_interruptible+0x700/0x700 [ 368.018711] ext4_filemap_fault+0x82/0xad [ 368.022870] __do_fault+0x100/0x6b0 [ 368.026500] ? find_held_lock+0x36/0x1c0 [ 368.030571] ? pmd_devmap_trans_unstable+0x220/0x220 [ 368.035684] ? mark_held_locks+0x130/0x130 [ 368.039935] ? mark_held_locks+0x130/0x130 [ 368.044177] ? debug_smp_processor_id+0x1c/0x20 [ 368.048849] ? perf_trace_lock+0x14d/0x7a0 [ 368.053101] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 368.058650] __handle_mm_fault+0x3ea0/0x5be0 [ 368.063079] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 368.067925] ? lock_is_held_type+0x210/0x210 [ 368.072346] ? __switch_to_asm+0x34/0x70 [ 368.076445] ? __switch_to_asm+0x34/0x70 [ 368.080527] ? zap_class+0x640/0x640 [ 368.084245] ? zap_class+0x640/0x640 [ 368.087958] ? __x64_sys_futex+0x53e/0x6a0 [ 368.092199] ? find_held_lock+0x36/0x1c0 [ 368.096276] ? handle_mm_fault+0x42a/0xc70 [ 368.100521] ? lock_downgrade+0x900/0x900 [ 368.104671] ? check_preemption_disabled+0x48/0x280 [ 368.109695] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 368.114641] ? kasan_check_read+0x11/0x20 [ 368.118795] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 368.124078] ? rcu_softirq_qs+0x20/0x20 [ 368.128054] ? trace_hardirqs_off_caller+0x310/0x310 [ 368.133165] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 368.138707] ? check_preemption_disabled+0x48/0x280 [ 368.143735] handle_mm_fault+0x54f/0xc70 [ 368.147800] ? __handle_mm_fault+0x5be0/0x5be0 [ 368.152392] ? find_vma+0x34/0x190 [ 368.155940] __do_page_fault+0x5e8/0xe60 [ 368.160010] ? trace_hardirqs_off+0xb8/0x310 [ 368.164449] do_page_fault+0xf2/0x7e0 [ 368.168251] ? vmalloc_sync_all+0x30/0x30 [ 368.172401] ? error_entry+0x70/0xd0 [ 368.176148] ? trace_hardirqs_off_caller+0xbb/0x310 [ 368.181170] ? trace_hardirqs_on_caller+0xc0/0x310 [ 368.186103] ? syscall_return_slowpath+0x5e0/0x5e0 [ 368.191072] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 368.195919] ? trace_hardirqs_on_caller+0x310/0x310 [ 368.200938] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 368.206415] ? prepare_exit_to_usermode+0x291/0x3b0 [ 368.211467] ? page_fault+0x8/0x30 [ 368.215018] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 368.219872] ? page_fault+0x8/0x30 [ 368.223422] page_fault+0x1e/0x30 [ 368.226874] RIP: 0033:0x45ddf3 [ 368.230084] Code: Bad RIP value. [ 368.233444] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 368.238849] RAX: ffffffffffffff92 RBX: 0000000028898d51 RCX: 000000000045ddf3 [ 368.246115] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014f1120 [ 368.253394] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 368.260667] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 368.267938] R13: 000000c42841fe60 R14: 0000000000000001 R15: 0000000000000000 [ 368.275238] warn_alloc_show_mem: 1 callbacks suppressed [ 368.275251] CPU: 1 PID: 16798 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #167 [ 368.275252] Mem-Info: [ 368.275283] active_anon:45985 inactive_anon:296 isolated_anon:0 [ 368.275283] active_file:15 inactive_file:8 isolated_file:0 [ 368.275283] unevictable:0 dirty:0 writeback:0 unstable:0 [ 368.275283] slab_reclaimable:9236 slab_unreclaimable:1461135 [ 368.275283] mapped:40979 shmem:353 pagetables:587 bounce:0 [ 368.275283] free:13771 free_pcp:249 free_cma:0 [ 368.280623] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 368.280633] Call Trace: [ 368.288031] Node 0 active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1412kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 368.290434] [ 368.323226] 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 [ 368.332600] dump_stack+0x244/0x39d [ 368.335161] lowmem_reserve[]: 0 2818 6321 6321 [ 368.362852] ? dump_stack_print_info.cold.1+0x20/0x20 [ 368.364981] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:404kB local_pcp:156kB free_cma:0kB [ 368.391112] warn_alloc.cold.116+0xb7/0x1bd [ 368.394708] lowmem_reserve[]: 0 0 3503 3503 [ 368.399293] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 368.404459] Node 0 Normal free:14000kB min:37364kB low:46704kB high:56044kB active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2348kB bounce:0kB free_pcp:592kB local_pcp:388kB free_cma:0kB [ 368.431970] ? lock_downgrade+0x900/0x900 [ 368.436269] lowmem_reserve[]: 0 0 0 0 [ 368.440595] ? trace_hardirqs_off+0xb8/0x310 [ 368.445409] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 368.474394] ? trace_hardirqs_off+0xb8/0x310 [ 368.478524] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 2*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 368.482335] __alloc_pages_slowpath+0x2651/0x2de0 [ 368.486712] Node 0 Normal: 794*4kB (MEH) 441*8kB (UMEH) 176*16kB (UME) 69*32kB (UMEH) 18*64kB (UM) 1*128kB (U) 2*256kB (U) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14032kB [ 368.500271] ? warn_alloc+0x120/0x120 [ 368.504646] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 368.519736] ? print_usage_bug+0xc0/0xc0 [ 368.524564] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 368.540007] ? warn_alloc+0x120/0x120 [ 368.543783] 376 total pagecache pages [ 368.552631] ? warn_alloc+0x120/0x120 [ 368.556678] 0 pages in swap cache [ 368.565253] ? print_usage_bug+0xc0/0xc0 [ 368.569036] Swap cache stats: add 0, delete 0, find 0/0 [ 368.572834] ? kvm_clock_read+0x18/0x30 [ 368.576609] Free swap = 0kB [ 368.580062] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 368.584098] Total swap = 0kB [ 368.589471] ? print_usage_bug+0xc0/0xc0 [ 368.593416] 1965979 pages RAM [ 368.596436] ? __lock_acquire+0x62f/0x4c20 [ 368.601426] 0 pages HighMem/MovableOnly [ 368.604449] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 368.608471] 342854 pages reserved [ 368.608480] 0 pages cma reserved [ 368.611588] ? should_fail+0x22d/0xd01 [ 368.615884] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 368.619770] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 368.619792] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 368.619809] ? __lock_acquire+0x62f/0x4c20 [ 368.625402] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 368.628800] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 368.632141] syz-fuzzer cpuset=/ mems_allowed=0 [ 368.636036] ? __lock_acquire+0x62f/0x4c20 [ 368.681237] ? should_fail+0x22d/0xd01 [ 368.685137] ? rcu_irq_exit+0x1a2/0x390 [ 368.689137] ? mark_held_locks+0x130/0x130 [ 368.693393] ? mark_held_locks+0x130/0x130 [ 368.697657] ? mark_held_locks+0xc7/0x130 [ 368.701841] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 368.706875] ? zap_class+0x640/0x640 [ 368.710597] ? print_usage_bug+0xc0/0xc0 [ 368.714669] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.720217] ? check_preemption_disabled+0x48/0x280 [ 368.725253] ? __lock_is_held+0xb5/0x140 [ 368.729326] __alloc_pages_nodemask+0xad8/0xea0 [ 368.734014] ? zap_class+0x640/0x640 [ 368.737743] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 368.742781] ? find_held_lock+0x36/0x1c0 [ 368.746876] ? ____cache_alloc_node+0x1c7/0x1e0 [ 368.751559] ? lock_downgrade+0x900/0x900 [ 368.755726] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.761281] cache_grow_begin+0xa5/0x8c0 [ 368.765365] ? do_raw_spin_unlock+0xa7/0x330 [ 368.769793] fallback_alloc+0x204/0x2e0 [ 368.773780] ____cache_alloc_node+0x1c7/0x1e0 [ 368.778296] kmem_cache_alloc_node+0xe3/0x730 [ 368.782798] ? ipv6_get_ifaddr+0x42e/0x620 [ 368.787054] __alloc_skb+0x119/0x770 [ 368.790776] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 368.796066] ? netdev_alloc_frag+0x1f0/0x1f0 [ 368.800486] ? lock_downgrade+0x900/0x900 [ 368.804649] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.810198] ? refcount_sub_and_test_checked+0x203/0x310 [ 368.815664] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 368.821141] ? addrconf_rs_timer+0x690/0x690 [ 368.825581] ndisc_alloc_skb+0x144/0x340 [ 368.829656] ndisc_send_rs+0x331/0x6e0 [ 368.833560] addrconf_rs_timer+0x314/0x690 [ 368.837824] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 368.842083] call_timer_fn+0x272/0x920 [ 368.845978] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 368.850228] ? process_timeout+0x40/0x40 [ 368.854303] ? __run_timers+0x7da/0xc70 [ 368.858282] ? _raw_spin_unlock_irq+0x27/0x80 [ 368.862785] ? _raw_spin_unlock_irq+0x27/0x80 [ 368.867295] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 368.871536] ? lockdep_hardirqs_on+0x296/0x5b0 [ 368.876137] ? trace_hardirqs_on+0xbd/0x310 [ 368.880465] ? kasan_check_read+0x11/0x20 [ 368.884620] ? __run_timers+0x7da/0xc70 [ 368.888604] ? trace_hardirqs_off_caller+0x310/0x310 [ 368.893724] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 368.897974] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 368.902223] __run_timers+0x7e5/0xc70 [ 368.906045] ? timer_fixup_init+0x70/0x70 [ 368.910221] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 368.915246] ? zap_class+0x640/0x640 [ 368.918971] ? enqueue_hrtimer+0x1a5/0x560 [ 368.923221] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 368.928427] ? find_held_lock+0x36/0x1c0 [ 368.932502] ? zap_class+0x640/0x640 [ 368.936224] ? pvclock_read_flags+0x160/0x160 [ 368.940743] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.946286] ? check_preemption_disabled+0x48/0x280 [ 368.951320] ? __lock_is_held+0xb5/0x140 [ 368.955392] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.960956] ? check_preemption_disabled+0x48/0x280 [ 368.966054] run_timer_softirq+0x52/0xb0 [ 368.970125] ? rcu_read_lock_sched_held+0x14f/0x180 [ 368.975151] __do_softirq+0x308/0xb7e [ 368.978957] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 368.983454] ? lock_downgrade+0x900/0x900 [ 368.987618] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 368.992735] ? pvclock_read_flags+0x160/0x160 [ 368.997236] ? lapic_next_event+0x5a/0x90 [ 369.001392] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.006943] ? kvm_clock_read+0x18/0x30 [ 369.010925] ? kvm_sched_clock_read+0x9/0x20 [ 369.015343] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.020926] ? check_preemption_disabled+0x48/0x280 [ 369.025975] irq_exit+0x17f/0x1c0 [ 369.029473] smp_apic_timer_interrupt+0x1cb/0x760 [ 369.034333] ? smp_reschedule_interrupt+0x109/0x650 [ 369.039357] ? smp_call_function_single_interrupt+0x650/0x650 [ 369.045250] ? interrupt_entry+0xb5/0xc0 [ 369.049321] ? trace_hardirqs_off_caller+0xbb/0x310 [ 369.054346] ? trace_hardirqs_off_caller+0xbb/0x310 [ 369.059391] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 369.064247] ? trace_hardirqs_on_caller+0x310/0x310 [ 369.069290] ? trace_hardirqs_on_caller+0x310/0x310 [ 369.074315] ? task_prio+0x50/0x50 [ 369.077871] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.083420] ? check_preemption_disabled+0x48/0x280 [ 369.088448] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 369.093311] apic_timer_interrupt+0xf/0x20 [ 369.097547] [ 369.099793] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 369.104730] Code: 7e 0f 85 cf fe ff ff e8 66 cb 3d ff e9 c5 fe ff ff e8 0d 01 c3 ff 48 83 3d a5 49 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 42 f3 [ 369.123642] RSP: 0018:ffff888195497718 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 369.131369] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 369.138672] RDX: 0000000000000000 RSI: ffff8881d2488b40 RDI: 0000000000000282 [ 369.145953] RBP: ffff888195497780 R08: ffff8881d24882c0 R09: 0000000000000000 [ 369.153256] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 369.160535] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020 [ 369.167858] skb_clone+0x1bb/0x500 [ 369.171416] ? skb_split+0x11e0/0x11e0 [ 369.175333] ? check_preemption_disabled+0x48/0x280 [ 369.180720] ? __this_cpu_preempt_check+0x1c/0x20 [ 369.185589] ? __bpf_redirect+0x55b/0xb60 [ 369.189744] ? __switch_to_asm+0x34/0x70 [ 369.193813] ? __switch_to_asm+0x40/0x70 [ 369.197892] bpf_clone_redirect+0xb9/0x490 [ 369.202141] bpf_prog_3d1649e183dc2cc1+0xaf9/0x1000 [ 369.207173] ? __sched_text_start+0x8/0x8 [ 369.211355] ? find_held_lock+0x36/0x1c0 [ 369.215434] ? lock_acquire+0x1ed/0x520 [ 369.219413] ? bpf_test_run+0x3cb/0x780 [ 369.223394] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.228942] ? check_preemption_disabled+0x48/0x280 [ 369.233971] ? kasan_check_read+0x11/0x20 [ 369.238132] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 369.243413] ? rcu_softirq_qs+0x20/0x20 [ 369.247395] ? preempt_schedule+0x4d/0x60 [ 369.251549] ? ___preempt_schedule+0x16/0x18 [ 369.255973] ? bpf_test_run+0x25d/0x780 [ 369.259975] ? netlink_diag_dump+0x2a0/0x2a0 [ 369.264417] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 369.269968] ? bpf_test_init.isra.10+0x70/0x100 [ 369.274662] ? bpf_prog_test_run_skb+0x73b/0xd10 [ 369.279442] ? bpf_test_finish.isra.9+0x260/0x260 [ 369.284310] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 369.289893] ? fput+0x130/0x1a0 [ 369.293185] ? __bpf_prog_get+0x9b/0x290 [ 369.297261] ? bpf_test_finish.isra.9+0x260/0x260 [ 369.302119] ? bpf_prog_test_run+0x130/0x1a0 [ 369.306541] ? __x64_sys_bpf+0x3db/0x520 [ 369.310610] ? bpf_prog_get+0x20/0x20 [ 369.314443] ? do_syscall_64+0x1b9/0x820 [ 369.318509] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 369.323890] ? syscall_return_slowpath+0x5e0/0x5e0 [ 369.328827] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 369.333684] ? trace_hardirqs_on_caller+0x310/0x310 [ 369.338712] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 369.343743] ? prepare_exit_to_usermode+0x291/0x3b0 [ 369.348775] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 369.353634] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 369.359034] CPU: 0 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #167 [ 369.359099] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 369.366058] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 369.366069] Call Trace: [ 369.372690] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 369.381926] [ 369.384503] syz-executor0 cpuset=syz0 mems_allowed=0 [ 369.395007] dump_stack+0x244/0x39d [ 369.405856] ? dump_stack_print_info.cold.1+0x20/0x20 [ 369.411093] warn_alloc.cold.116+0xb7/0x1bd [ 369.415437] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 369.420289] ? lock_downgrade+0x900/0x900 [ 369.424447] ? trace_hardirqs_off+0xb8/0x310 [ 369.428864] ? trace_hardirqs_off+0xb8/0x310 [ 369.433311] __alloc_pages_slowpath+0x2651/0x2de0 [ 369.438186] ? warn_alloc+0x120/0x120 [ 369.442006] ? print_usage_bug+0xc0/0xc0 [ 369.446073] ? warn_alloc+0x120/0x120 [ 369.449897] ? warn_alloc+0x120/0x120 [ 369.453708] ? print_usage_bug+0xc0/0xc0 [ 369.457785] ? print_usage_bug+0xc0/0xc0 [ 369.461851] ? __lock_acquire+0x62f/0x4c20 [ 369.466100] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 369.471645] ? should_fail+0x22d/0xd01 [ 369.475543] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 369.480652] ? __lock_acquire+0x62f/0x4c20 [ 369.484898] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 369.490024] ? __lock_acquire+0x62f/0x4c20 [ 369.494261] ? should_fail+0x22d/0xd01 [ 369.498156] ? find_held_lock+0x36/0x1c0 [ 369.502229] ? mark_held_locks+0x130/0x130 [ 369.506475] ? mark_held_locks+0x130/0x130 [ 369.510708] ? zap_class+0x640/0x640 [ 369.514421] ? zap_class+0x640/0x640 [ 369.518144] ? print_usage_bug+0xc0/0xc0 [ 369.522203] ? do_raw_spin_unlock+0xa7/0x330 [ 369.526615] ? zap_class+0x640/0x640 [ 369.530333] ? print_usage_bug+0xc0/0xc0 [ 369.534408] ? wq_watchdog_touch+0x9c/0xfe [ 369.538650] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.544198] ? check_preemption_disabled+0x48/0x280 [ 369.549225] ? __lock_is_held+0xb5/0x140 [ 369.553322] __alloc_pages_nodemask+0xad8/0xea0 [ 369.558007] ? zap_class+0x640/0x640 [ 369.561730] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 369.566760] ? find_held_lock+0x36/0x1c0 [ 369.570835] ? ____cache_alloc_node+0x1c7/0x1e0 [ 369.575513] ? lock_downgrade+0x900/0x900 [ 369.579673] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.585223] cache_grow_begin+0xa5/0x8c0 [ 369.589307] ? do_raw_spin_unlock+0xa7/0x330 [ 369.593744] fallback_alloc+0x204/0x2e0 [ 369.597739] ____cache_alloc_node+0x1c7/0x1e0 [ 369.602244] kmem_cache_alloc_node+0xe3/0x730 [ 369.606764] ? ipv6_get_ifaddr+0x42e/0x620 [ 369.611049] __alloc_skb+0x119/0x770 [ 369.614782] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 369.620083] ? netdev_alloc_frag+0x1f0/0x1f0 [ 369.624499] ? lock_downgrade+0x900/0x900 [ 369.628658] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.634200] ? refcount_sub_and_test_checked+0x203/0x310 [ 369.639663] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 369.645118] ? addrconf_rs_timer+0x690/0x690 [ 369.649546] ndisc_alloc_skb+0x144/0x340 [ 369.653621] ndisc_send_rs+0x331/0x6e0 [ 369.657517] addrconf_rs_timer+0x314/0x690 [ 369.661765] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.666034] call_timer_fn+0x272/0x920 [ 369.669929] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.674166] ? process_timeout+0x40/0x40 [ 369.678241] ? mark_held_locks+0xc7/0x130 [ 369.682402] ? _raw_spin_unlock_irq+0x27/0x80 [ 369.686917] ? _raw_spin_unlock_irq+0x27/0x80 [ 369.691431] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.695707] ? lockdep_hardirqs_on+0x296/0x5b0 [ 369.700292] ? trace_hardirqs_on+0xbd/0x310 [ 369.704617] ? kasan_check_read+0x11/0x20 [ 369.708768] ? __run_timers+0x7da/0xc70 [ 369.712745] ? trace_hardirqs_off_caller+0x310/0x310 [ 369.717861] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.722108] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.726376] __run_timers+0x7e5/0xc70 [ 369.730188] ? timer_fixup_init+0x70/0x70 [ 369.734345] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 369.739383] ? zap_class+0x640/0x640 [ 369.743105] ? print_usage_bug+0xc0/0xc0 [ 369.747173] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 369.752377] ? find_held_lock+0x36/0x1c0 [ 369.756447] ? zap_class+0x640/0x640 [ 369.760173] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.765716] ? check_preemption_disabled+0x48/0x280 [ 369.770746] ? __lock_is_held+0xb5/0x140 [ 369.774815] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.780366] ? check_preemption_disabled+0x48/0x280 [ 369.785398] run_timer_softirq+0x52/0xb0 [ 369.789462] ? rcu_read_lock_sched_held+0x14f/0x180 [ 369.794486] __do_softirq+0x308/0xb7e [ 369.798296] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 369.802795] ? lock_downgrade+0x900/0x900 [ 369.806950] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 369.812068] ? pvclock_read_flags+0x160/0x160 [ 369.816573] ? lapic_next_event+0x5a/0x90 [ 369.820730] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.826277] ? kvm_clock_read+0x18/0x30 [ 369.830254] ? kvm_sched_clock_read+0x9/0x20 [ 369.834675] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 369.840236] ? check_preemption_disabled+0x48/0x280 [ 369.845268] irq_exit+0x17f/0x1c0 [ 369.848730] smp_apic_timer_interrupt+0x1cb/0x760 [ 369.853591] ? smp_reschedule_interrupt+0x109/0x650 [ 369.858628] ? smp_call_function_single_interrupt+0x650/0x650 [ 369.864518] ? interrupt_entry+0xb5/0xc0 [ 369.868594] ? trace_hardirqs_off_caller+0xbb/0x310 [ 369.873609] ? trace_hardirqs_off_caller+0xbb/0x310 [ 369.878631] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 369.883498] ? trace_hardirqs_on_caller+0x310/0x310 [ 369.888519] ? trace_hardirqs_on_caller+0x310/0x310 [ 369.893556] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 369.898422] apic_timer_interrupt+0xf/0x20 [ 369.902655] [ 369.904896] RIP: 0010:dump_stack+0x358/0x39d [ 369.909322] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 f1 36 ed f9 48 83 3d f9 27 7c 01 00 0f 84 63 fe ff ff e8 6e b7 a9 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b b7 a9 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 369.928234] RSP: 0000:ffff8881bb40e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 369.935959] RAX: ffff8881c2208180 RBX: 1ffffffff12a3f6e RCX: 1ffff1103844114e [ 369.943229] RDX: 0000000000000000 RSI: ffffffff87d5d382 RDI: 0000000000000293 [ 369.950505] RBP: ffff8881bb40e290 R08: ffff8881c2208a70 R09: 0000000000000006 [ 369.957791] R10: 0000000000000000 R11: ffff8881c2208180 R12: 1ffff11037681c45 [ 369.965077] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 369.972382] ? dump_stack+0x34f/0x39d [ 369.976231] ? dump_stack_print_info.cold.1+0x20/0x20 [ 369.981443] ? mark_held_locks+0x130/0x130 [ 369.985684] ? mark_held_locks+0x130/0x130 [ 369.989925] dump_header+0x27b/0xf72 [ 369.993654] ? pagefault_out_of_memory+0x197/0x197 [ 369.998596] ? __lock_acquire+0x62f/0x4c20 [ 370.002837] ? percpu_ref_get_many+0x240/0x240 [ 370.007438] ? print_usage_bug+0xc0/0xc0 [ 370.011520] ? zap_class+0x640/0x640 [ 370.015241] ? print_usage_bug+0xc0/0xc0 [ 370.019302] ? print_usage_bug+0xc0/0xc0 [ 370.023389] ? zap_class+0x640/0x640 [ 370.027108] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.032708] ? find_held_lock+0x36/0x1c0 [ 370.036789] ? mark_held_locks+0xc7/0x130 [ 370.040982] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 370.046107] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 370.051216] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 370.055804] ? trace_hardirqs_on+0xbd/0x310 [ 370.060130] ? kasan_check_read+0x11/0x20 [ 370.064310] ? ___ratelimit+0x3b4/0x672 [ 370.068326] ? trace_hardirqs_off_caller+0x310/0x310 [ 370.073443] ? trace_hardirqs_on+0x310/0x310 [ 370.077854] ? lock_downgrade+0x900/0x900 [ 370.082020] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 370.087128] ? ___ratelimit+0x3b9/0x672 [ 370.091114] ? idr_get_free+0xf70/0xf70 [ 370.095094] ? find_held_lock+0x36/0x1c0 [ 370.099167] oom_kill_process.cold.27+0x10/0x903 [ 370.103930] ? zap_class+0x640/0x640 [ 370.107645] ? check_preemption_disabled+0x48/0x280 [ 370.112665] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 370.117598] ? kasan_check_read+0x11/0x20 [ 370.121750] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 370.127049] ? oom_evaluate_task+0x540/0x540 [ 370.131465] ? find_held_lock+0x36/0x1c0 [ 370.135538] ? out_of_memory+0x974/0x1430 [ 370.139703] ? lock_downgrade+0x900/0x900 [ 370.143853] ? check_preemption_disabled+0x48/0x280 [ 370.148878] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 370.153813] ? kasan_check_read+0x11/0x20 [ 370.157968] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 370.163273] ? rcu_softirq_qs+0x20/0x20 [ 370.167253] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 370.172802] ? oom_evaluate_task+0x302/0x540 [ 370.177231] out_of_memory+0xa84/0x1430 [ 370.181215] ? oom_killer_disable+0x3a0/0x3a0 [ 370.185713] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 370.190651] ? __ww_mutex_check_waiters+0x160/0x160 [ 370.195683] __alloc_pages_slowpath+0x232c/0x2de0 [ 370.200558] ? warn_alloc+0x120/0x120 [ 370.204368] ? mark_held_locks+0x130/0x130 [ 370.208612] ? find_get_entry+0xaae/0x1120 [ 370.212880] ? filemap_map_pages+0x1a20/0x1a20 [ 370.217488] ? zap_class+0x640/0x640 [ 370.221238] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.226781] ? check_preemption_disabled+0x48/0x280 [ 370.231815] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 370.237365] ? should_fail+0x22d/0xd01 [ 370.241260] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 370.246372] ? zap_class+0x640/0x640 [ 370.250114] ? __lock_is_held+0xb5/0x140 [ 370.254183] ? mark_held_locks+0x130/0x130 [ 370.258426] ? lock_release+0xa00/0xa00 [ 370.262406] ? perf_trace_sched_process_exec+0x860/0x860 [ 370.267861] ? xa_load+0x2ba/0x460 [ 370.271408] ? lock_downgrade+0x900/0x900 [ 370.275567] ? __might_sleep+0x95/0x190 [ 370.279553] __alloc_pages_nodemask+0xad8/0xea0 [ 370.284237] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 370.289263] ? __page_cache_alloc+0x191/0x5c0 [ 370.293776] ? xa_load+0x2e1/0x460 [ 370.297332] ? xa_clear_mark+0x40/0x40 [ 370.301232] ? zap_class+0x640/0x640 [ 370.304957] ? zap_class+0x640/0x640 [ 370.308672] ? zap_class+0x640/0x640 [ 370.312543] ? __do_page_cache_readahead+0x663/0x810 [ 370.317655] ? find_held_lock+0x36/0x1c0 [ 370.321727] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 370.327291] alloc_pages_current+0x173/0x350 [ 370.331742] __page_cache_alloc+0x38c/0x5c0 [ 370.336129] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 370.341075] ? kasan_check_read+0x11/0x20 [ 370.345227] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 370.350512] ? generic_perform_write+0x6a0/0x6a0 [ 370.355270] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 370.360839] ? check_preemption_disabled+0x48/0x280 [ 370.365867] filemap_fault+0x1595/0x25f0 [ 370.369955] ? __lock_page_or_retry+0xa00/0xa00 [ 370.374631] ? mark_held_locks+0x130/0x130 [ 370.378877] ? filemap_map_pages+0xd6b/0x1a20 [ 370.383386] ? lock_downgrade+0x900/0x900 [ 370.387537] ? check_preemption_disabled+0x48/0x280 [ 370.392565] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 370.397499] ? kasan_check_read+0x11/0x20 [ 370.401651] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 370.406928] ? rcu_softirq_qs+0x20/0x20 [ 370.410931] ? filemap_map_pages+0xd92/0x1a20 [ 370.415443] ? find_get_entries_tag+0x1400/0x1400 [ 370.420298] ? debug_object_destroy+0x2b0/0x2b0 [ 370.424975] ? lock_pi_update_atomic+0x150/0x150 [ 370.429740] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.435294] ? lock_acquire+0x1ed/0x520 [ 370.439288] ? ext4_filemap_fault+0x7a/0xad [ 370.443636] ? lock_release+0xa00/0xa00 [ 370.447610] ? perf_trace_sched_process_exec+0x860/0x860 [ 370.453079] ? print_usage_bug+0xc0/0xc0 [ 370.457148] ? print_usage_bug+0xc0/0xc0 [ 370.461224] ? down_read+0x8d/0x120 [ 370.464850] ? ext4_filemap_fault+0x7a/0xad [ 370.469179] ? __down_interruptible+0x700/0x700 [ 370.473876] ext4_filemap_fault+0x82/0xad [ 370.478039] __do_fault+0x100/0x6b0 [ 370.481665] ? find_held_lock+0x36/0x1c0 [ 370.485735] ? pmd_devmap_trans_unstable+0x220/0x220 [ 370.490861] ? mark_held_locks+0x130/0x130 [ 370.495100] ? mark_held_locks+0x130/0x130 [ 370.499340] ? debug_smp_processor_id+0x1c/0x20 [ 370.504112] ? perf_trace_lock+0x14d/0x7a0 [ 370.508391] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 370.513939] __handle_mm_fault+0x3ea0/0x5be0 [ 370.518364] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 370.523209] ? lock_is_held_type+0x210/0x210 [ 370.527626] ? __switch_to_asm+0x34/0x70 [ 370.531685] ? __switch_to_asm+0x34/0x70 [ 370.535790] ? zap_class+0x640/0x640 [ 370.539508] ? zap_class+0x640/0x640 [ 370.543240] ? __x64_sys_futex+0x53e/0x6a0 [ 370.547484] ? find_held_lock+0x36/0x1c0 [ 370.551555] ? handle_mm_fault+0x42a/0xc70 [ 370.555796] ? lock_downgrade+0x900/0x900 [ 370.559945] ? check_preemption_disabled+0x48/0x280 [ 370.565036] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 370.569966] ? kasan_check_read+0x11/0x20 [ 370.574140] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 370.579419] ? rcu_softirq_qs+0x20/0x20 [ 370.583397] ? trace_hardirqs_off_caller+0x310/0x310 [ 370.588508] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 370.594049] ? check_preemption_disabled+0x48/0x280 [ 370.599080] handle_mm_fault+0x54f/0xc70 [ 370.603164] ? __handle_mm_fault+0x5be0/0x5be0 [ 370.607752] ? find_vma+0x34/0x190 [ 370.611302] __do_page_fault+0x5e8/0xe60 [ 370.615372] ? trace_hardirqs_off+0xb8/0x310 [ 370.619794] do_page_fault+0xf2/0x7e0 [ 370.623596] ? vmalloc_sync_all+0x30/0x30 [ 370.627746] ? error_entry+0x70/0xd0 [ 370.631465] ? trace_hardirqs_off_caller+0xbb/0x310 [ 370.636484] ? trace_hardirqs_on_caller+0xc0/0x310 [ 370.641425] ? syscall_return_slowpath+0x5e0/0x5e0 [ 370.646355] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 370.651208] ? trace_hardirqs_on_caller+0x310/0x310 [ 370.656228] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 370.661694] ? prepare_exit_to_usermode+0x291/0x3b0 [ 370.666713] ? page_fault+0x8/0x30 [ 370.670258] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 370.675107] ? page_fault+0x8/0x30 [ 370.678648] page_fault+0x1e/0x30 [ 370.682102] RIP: 0033:0x45ddf3 [ 370.685311] Code: Bad RIP value. [ 370.688671] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 370.694033] RAX: ffffffffffffff92 RBX: 0000000028898d51 RCX: 000000000045ddf3 [ 370.701304] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014f1120 [ 370.708575] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 370.715847] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 370.723121] R13: 000000c42841fe60 R14: 0000000000000001 R15: 0000000000000000 [ 370.730418] warn_alloc_show_mem: 1 callbacks suppressed [ 370.730431] CPU: 1 PID: 16798 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #167 [ 370.730433] Mem-Info: [ 370.730464] active_anon:45985 inactive_anon:296 isolated_anon:0 [ 370.730464] active_file:15 inactive_file:8 isolated_file:0 [ 370.730464] unevictable:0 dirty:0 writeback:0 unstable:0 [ 370.730464] slab_reclaimable:9236 slab_unreclaimable:1461135 [ 370.730464] mapped:40979 shmem:353 pagetables:587 bounce:0 [ 370.730464] free:13771 free_pcp:249 free_cma:0 [ 370.735806] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 370.743180] Node 0 active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1412kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 370.745581] Call Trace: [ 370.778374] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 370.787754] [ 370.815420] lowmem_reserve[]: 0 2818 6321 6321 [ 370.818038] dump_stack+0x244/0x39d [ 370.844128] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:404kB local_pcp:156kB free_cma:0kB [ 370.846287] ? dump_stack_print_info.cold.1+0x20/0x20 [ 370.850835] lowmem_reserve[]: 0 0 3503 3503 [ 370.854493] warn_alloc.cold.116+0xb7/0x1bd [ 370.881970] Node 0 Normal free:14000kB min:37364kB low:46704kB high:56044kB active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2348kB bounce:0kB free_pcp:592kB local_pcp:388kB free_cma:0kB [ 370.887184] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 370.891478] lowmem_reserve[]: 0 0 0 0 [ 370.895807] ? lock_downgrade+0x900/0x900 [ 370.924762] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 370.929619] ? trace_hardirqs_off+0xb8/0x310 [ 370.933398] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 2*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 370.937551] ? trace_hardirqs_off+0xb8/0x310 [ 370.951051] Node 0 Normal: 794*4kB (MEH) 441*8kB (UMEH) 176*16kB (UME) 69*32kB (UMEH) 18*64kB (UM) 1*128kB (U) 2*256kB (U) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14032kB [ 370.955471] __alloc_pages_slowpath+0x2651/0x2de0 [ 370.970541] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 370.974972] ? warn_alloc+0x120/0x120 [ 370.990373] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 370.995219] ? print_usage_bug+0xc0/0xc0 [ 371.004033] 376 total pagecache pages [ 371.007836] ? warn_alloc+0x120/0x120 [ 371.016400] 0 pages in swap cache [ 371.020463] ? warn_alloc+0x120/0x120 [ 371.024234] Swap cache stats: add 0, delete 0, find 0/0 [ 371.024242] Free swap = 0kB [ 371.028047] ? print_usage_bug+0xc0/0xc0 [ 371.031481] Total swap = 0kB [ 371.031504] 1965979 pages RAM [ 371.035300] ? kvm_clock_read+0x18/0x30 [ 371.040639] 0 pages HighMem/MovableOnly [ 371.043685] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 371.047715] 342854 pages reserved [ 371.050732] ? print_usage_bug+0xc0/0xc0 [ 371.053816] 0 pages cma reserved [ 371.053901] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 371.057815] ? __lock_acquire+0x62f/0x4c20 [ 371.061869] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 371.066796] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 371.070224] syz-fuzzer cpuset=/ mems_allowed=0 [ 371.074282] ? should_fail+0x22d/0xd01 [ 371.112537] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 371.117845] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 371.122961] ? __lock_acquire+0x62f/0x4c20 [ 371.127210] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 371.132316] ? __lock_acquire+0x62f/0x4c20 [ 371.136556] ? should_fail+0x22d/0xd01 [ 371.140444] ? rcu_irq_exit+0x1a2/0x390 [ 371.144433] ? mark_held_locks+0x130/0x130 [ 371.148675] ? mark_held_locks+0x130/0x130 [ 371.152929] ? mark_held_locks+0xc7/0x130 [ 371.157080] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 371.162103] ? zap_class+0x640/0x640 [ 371.165818] ? print_usage_bug+0xc0/0xc0 [ 371.169890] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.175438] ? check_preemption_disabled+0x48/0x280 [ 371.180871] ? __lock_is_held+0xb5/0x140 [ 371.184941] __alloc_pages_nodemask+0xad8/0xea0 [ 371.189620] ? zap_class+0x640/0x640 [ 371.193345] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 371.198375] ? find_held_lock+0x36/0x1c0 [ 371.202453] ? ____cache_alloc_node+0x1c7/0x1e0 [ 371.207128] ? lock_downgrade+0x900/0x900 [ 371.211292] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.216842] cache_grow_begin+0xa5/0x8c0 [ 371.220932] ? do_raw_spin_unlock+0xa7/0x330 [ 371.225352] fallback_alloc+0x204/0x2e0 [ 371.229342] ____cache_alloc_node+0x1c7/0x1e0 [ 371.233848] kmem_cache_alloc_node+0xe3/0x730 [ 371.238375] ? ipv6_get_ifaddr+0x42e/0x620 [ 371.242627] __alloc_skb+0x119/0x770 [ 371.246345] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 371.251634] ? netdev_alloc_frag+0x1f0/0x1f0 [ 371.256052] ? lock_downgrade+0x900/0x900 [ 371.260211] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.265766] ? refcount_sub_and_test_checked+0x203/0x310 [ 371.271244] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 371.276704] ? addrconf_rs_timer+0x690/0x690 [ 371.281130] ndisc_alloc_skb+0x144/0x340 [ 371.285201] ndisc_send_rs+0x331/0x6e0 [ 371.289100] addrconf_rs_timer+0x314/0x690 [ 371.293348] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.297595] call_timer_fn+0x272/0x920 [ 371.301488] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.305727] ? process_timeout+0x40/0x40 [ 371.309797] ? __run_timers+0x7da/0xc70 [ 371.313779] ? _raw_spin_unlock_irq+0x27/0x80 [ 371.318278] ? _raw_spin_unlock_irq+0x27/0x80 [ 371.322776] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.327027] ? lockdep_hardirqs_on+0x296/0x5b0 [ 371.331615] ? trace_hardirqs_on+0xbd/0x310 [ 371.335938] ? kasan_check_read+0x11/0x20 [ 371.340087] ? __run_timers+0x7da/0xc70 [ 371.344066] ? trace_hardirqs_off_caller+0x310/0x310 [ 371.349183] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.353475] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.357709] __run_timers+0x7e5/0xc70 [ 371.361555] ? timer_fixup_init+0x70/0x70 [ 371.365716] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 371.370737] ? zap_class+0x640/0x640 [ 371.374456] ? enqueue_hrtimer+0x1a5/0x560 [ 371.378696] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 371.383923] ? find_held_lock+0x36/0x1c0 [ 371.388044] ? zap_class+0x640/0x640 [ 371.391795] ? pvclock_read_flags+0x160/0x160 [ 371.396299] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.401844] ? check_preemption_disabled+0x48/0x280 [ 371.406894] ? __lock_is_held+0xb5/0x140 [ 371.410980] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.416532] ? check_preemption_disabled+0x48/0x280 [ 371.421557] run_timer_softirq+0x52/0xb0 [ 371.425627] ? rcu_read_lock_sched_held+0x14f/0x180 [ 371.430652] __do_softirq+0x308/0xb7e [ 371.434461] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 371.438956] ? lock_downgrade+0x900/0x900 [ 371.443112] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 371.448232] ? pvclock_read_flags+0x160/0x160 [ 371.452730] ? lapic_next_event+0x5a/0x90 [ 371.456898] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.462449] ? kvm_clock_read+0x18/0x30 [ 371.466424] ? kvm_sched_clock_read+0x9/0x20 [ 371.470834] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.476394] ? check_preemption_disabled+0x48/0x280 [ 371.481432] irq_exit+0x17f/0x1c0 [ 371.484896] smp_apic_timer_interrupt+0x1cb/0x760 [ 371.489743] ? smp_reschedule_interrupt+0x109/0x650 [ 371.494780] ? smp_call_function_single_interrupt+0x650/0x650 [ 371.500684] ? interrupt_entry+0xb5/0xc0 [ 371.504752] ? trace_hardirqs_off_caller+0xbb/0x310 [ 371.509784] ? trace_hardirqs_off_caller+0xbb/0x310 [ 371.514817] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 371.519661] ? trace_hardirqs_on_caller+0x310/0x310 [ 371.524687] ? trace_hardirqs_on_caller+0x310/0x310 [ 371.529718] ? task_prio+0x50/0x50 [ 371.533279] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.538823] ? check_preemption_disabled+0x48/0x280 [ 371.543855] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 371.548724] apic_timer_interrupt+0xf/0x20 [ 371.552971] [ 371.555222] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 371.560157] Code: 7e 0f 85 cf fe ff ff e8 66 cb 3d ff e9 c5 fe ff ff e8 0d 01 c3 ff 48 83 3d a5 49 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 42 f3 [ 371.579081] RSP: 0018:ffff888195497718 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 371.586804] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 371.594088] RDX: 0000000000000000 RSI: ffff8881d2488b40 RDI: 0000000000000282 [ 371.601372] RBP: ffff888195497780 R08: ffff8881d24882c0 R09: 0000000000000000 [ 371.608647] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 371.615941] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020 [ 371.623264] skb_clone+0x1bb/0x500 [ 371.626814] ? skb_split+0x11e0/0x11e0 [ 371.630707] ? check_preemption_disabled+0x48/0x280 [ 371.635733] ? __this_cpu_preempt_check+0x1c/0x20 [ 371.640581] ? __bpf_redirect+0x55b/0xb60 [ 371.644733] ? __switch_to_asm+0x34/0x70 [ 371.648808] ? __switch_to_asm+0x40/0x70 [ 371.652881] bpf_clone_redirect+0xb9/0x490 [ 371.657125] bpf_prog_3d1649e183dc2cc1+0xaf9/0x1000 [ 371.662147] ? __sched_text_start+0x8/0x8 [ 371.666314] ? find_held_lock+0x36/0x1c0 [ 371.670399] ? lock_acquire+0x1ed/0x520 [ 371.674387] ? bpf_test_run+0x3cb/0x780 [ 371.678364] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.683909] ? check_preemption_disabled+0x48/0x280 [ 371.688952] ? kasan_check_read+0x11/0x20 [ 371.693106] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 371.698383] ? rcu_softirq_qs+0x20/0x20 [ 371.702362] ? preempt_schedule+0x4d/0x60 [ 371.706515] ? ___preempt_schedule+0x16/0x18 [ 371.710941] ? bpf_test_run+0x25d/0x780 [ 371.714935] ? netlink_diag_dump+0x2a0/0x2a0 [ 371.719352] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 371.724897] ? bpf_test_init.isra.10+0x70/0x100 [ 371.729577] ? bpf_prog_test_run_skb+0x73b/0xd10 [ 371.734352] ? bpf_test_finish.isra.9+0x260/0x260 [ 371.739199] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 371.744742] ? fput+0x130/0x1a0 [ 371.748032] ? __bpf_prog_get+0x9b/0x290 [ 371.752131] ? bpf_test_finish.isra.9+0x260/0x260 [ 371.756985] ? bpf_prog_test_run+0x130/0x1a0 [ 371.761414] ? __x64_sys_bpf+0x3db/0x520 [ 371.765481] ? bpf_prog_get+0x20/0x20 [ 371.769322] ? do_syscall_64+0x1b9/0x820 [ 371.773388] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 371.778763] ? syscall_return_slowpath+0x5e0/0x5e0 [ 371.783697] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 371.788550] ? trace_hardirqs_on_caller+0x310/0x310 [ 371.793579] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 371.798603] ? prepare_exit_to_usermode+0x291/0x3b0 [ 371.803631] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 371.808486] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 371.813882] CPU: 0 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #167 [ 371.813966] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 371.820898] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 371.820903] Call Trace: [ 371.820910] [ 371.820930] dump_stack+0x244/0x39d [ 371.820948] ? dump_stack_print_info.cold.1+0x20/0x20 [ 371.820972] warn_alloc.cold.116+0xb7/0x1bd [ 371.827509] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 371.836815] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 371.839378] syz-executor0 cpuset=syz0 mems_allowed=0 [ 371.841524] ? lock_downgrade+0x900/0x900 [ 371.879184] ? trace_hardirqs_off+0xb8/0x310 [ 371.883601] ? trace_hardirqs_off+0xb8/0x310 [ 371.888032] __alloc_pages_slowpath+0x2651/0x2de0 [ 371.892909] ? warn_alloc+0x120/0x120 [ 371.896715] ? print_usage_bug+0xc0/0xc0 [ 371.900810] ? warn_alloc+0x120/0x120 [ 371.904622] ? warn_alloc+0x120/0x120 [ 371.908427] ? print_usage_bug+0xc0/0xc0 [ 371.912492] ? kvm_clock_read+0x18/0x30 [ 371.916488] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 371.921526] ? print_usage_bug+0xc0/0xc0 [ 371.925598] ? __lock_acquire+0x62f/0x4c20 [ 371.929886] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 371.935449] ? should_fail+0x22d/0xd01 [ 371.939340] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 371.944643] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 371.949753] ? __lock_acquire+0x62f/0x4c20 [ 371.953994] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 371.959121] ? __lock_acquire+0x62f/0x4c20 [ 371.963356] ? should_fail+0x22d/0xd01 [ 371.967275] ? rcu_irq_exit+0x1a2/0x390 [ 371.971260] ? mark_held_locks+0x130/0x130 [ 371.975505] ? mark_held_locks+0x130/0x130 [ 371.979751] ? mark_held_locks+0xc7/0x130 [ 371.983904] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 371.988923] ? zap_class+0x640/0x640 [ 371.992644] ? print_usage_bug+0xc0/0xc0 [ 371.996709] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.002253] ? check_preemption_disabled+0x48/0x280 [ 372.007287] ? __lock_is_held+0xb5/0x140 [ 372.011366] __alloc_pages_nodemask+0xad8/0xea0 [ 372.016055] ? zap_class+0x640/0x640 [ 372.019777] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 372.024808] ? find_held_lock+0x36/0x1c0 [ 372.028885] ? ____cache_alloc_node+0x1c7/0x1e0 [ 372.033557] ? lock_downgrade+0x900/0x900 [ 372.037750] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.043297] cache_grow_begin+0xa5/0x8c0 [ 372.047368] ? do_raw_spin_unlock+0xa7/0x330 [ 372.051799] fallback_alloc+0x204/0x2e0 [ 372.055785] ____cache_alloc_node+0x1c7/0x1e0 [ 372.060303] kmem_cache_alloc_node+0xe3/0x730 [ 372.064801] ? ipv6_get_ifaddr+0x42e/0x620 [ 372.069049] __alloc_skb+0x119/0x770 [ 372.072764] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 372.078057] ? netdev_alloc_frag+0x1f0/0x1f0 [ 372.082489] ? lock_downgrade+0x900/0x900 [ 372.086651] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.092192] ? refcount_sub_and_test_checked+0x203/0x310 [ 372.097672] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 372.103149] ? addrconf_rs_timer+0x690/0x690 [ 372.107575] ndisc_alloc_skb+0x144/0x340 [ 372.111647] ndisc_send_rs+0x331/0x6e0 [ 372.115543] addrconf_rs_timer+0x314/0x690 [ 372.119797] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 372.124069] call_timer_fn+0x272/0x920 [ 372.127975] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 372.132218] ? process_timeout+0x40/0x40 [ 372.136289] ? mark_held_locks+0xc7/0x130 [ 372.140442] ? _raw_spin_unlock_irq+0x27/0x80 [ 372.144940] ? _raw_spin_unlock_irq+0x27/0x80 [ 372.149439] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 372.153683] ? lockdep_hardirqs_on+0x296/0x5b0 [ 372.158273] ? trace_hardirqs_on+0xbd/0x310 [ 372.162605] ? kasan_check_read+0x11/0x20 [ 372.166753] ? __run_timers+0x7da/0xc70 [ 372.170732] ? trace_hardirqs_off_caller+0x310/0x310 [ 372.175844] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 372.180104] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 372.184349] __run_timers+0x7e5/0xc70 [ 372.188168] ? timer_fixup_init+0x70/0x70 [ 372.192324] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 372.197347] ? zap_class+0x640/0x640 [ 372.201076] ? print_usage_bug+0xc0/0xc0 [ 372.205146] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 372.210345] ? find_held_lock+0x36/0x1c0 [ 372.214432] ? zap_class+0x640/0x640 [ 372.218169] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.223711] ? check_preemption_disabled+0x48/0x280 [ 372.228743] ? __lock_is_held+0xb5/0x140 [ 372.232808] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.238354] ? check_preemption_disabled+0x48/0x280 [ 372.243391] run_timer_softirq+0x52/0xb0 [ 372.247458] ? rcu_read_lock_sched_held+0x14f/0x180 [ 372.252481] __do_softirq+0x308/0xb7e [ 372.256291] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 372.260787] ? lock_downgrade+0x900/0x900 [ 372.264958] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 372.270077] ? pvclock_read_flags+0x160/0x160 [ 372.274581] ? lapic_next_event+0x5a/0x90 [ 372.278765] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.284340] ? kvm_clock_read+0x18/0x30 [ 372.288372] ? kvm_sched_clock_read+0x9/0x20 [ 372.292835] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 372.298386] ? check_preemption_disabled+0x48/0x280 [ 372.303423] irq_exit+0x17f/0x1c0 [ 372.306884] smp_apic_timer_interrupt+0x1cb/0x760 [ 372.311892] ? smp_reschedule_interrupt+0x109/0x650 [ 372.317126] ? smp_call_function_single_interrupt+0x650/0x650 [ 372.323034] ? interrupt_entry+0xb5/0xc0 [ 372.327105] ? trace_hardirqs_off_caller+0xbb/0x310 [ 372.332126] ? trace_hardirqs_off_caller+0xbb/0x310 [ 372.337153] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 372.342056] ? trace_hardirqs_on_caller+0x310/0x310 [ 372.347079] ? trace_hardirqs_on_caller+0x310/0x310 [ 372.352211] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 372.357075] apic_timer_interrupt+0xf/0x20 [ 372.361307] [ 372.363551] RIP: 0010:dump_stack+0x358/0x39d [ 372.367959] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 f1 36 ed f9 48 83 3d f9 27 7c 01 00 0f 84 63 fe ff ff e8 6e b7 a9 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b b7 a9 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 372.386857] RSP: 0000:ffff8881bb40e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 372.394580] RAX: ffff8881c2208180 RBX: 1ffffffff12a3f6e RCX: 1ffff1103844114e [ 372.401849] RDX: 0000000000000000 RSI: ffffffff87d5d382 RDI: 0000000000000293 [ 372.409115] RBP: ffff8881bb40e290 R08: ffff8881c2208a70 R09: 0000000000000006 [ 372.416387] R10: 0000000000000000 R11: ffff8881c2208180 R12: 1ffff11037681c45 [ 372.423699] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 372.430991] ? dump_stack+0x34f/0x39d [ 372.434828] ? dump_stack_print_info.cold.1+0x20/0x20 [ 372.440035] ? mark_held_locks+0x130/0x130 [ 372.444273] ? mark_held_locks+0x130/0x130 [ 372.448516] dump_header+0x27b/0xf72 [ 372.452263] ? pagefault_out_of_memory+0x197/0x197 [ 372.457200] ? __lock_acquire+0x62f/0x4c20 [ 372.461439] ? percpu_ref_get_many+0x240/0x240 [ 372.466029] ? print_usage_bug+0xc0/0xc0 [ 372.470100] ? zap_class+0x640/0x640 [ 372.473868] ? print_usage_bug+0xc0/0xc0 [ 372.477925] ? print_usage_bug+0xc0/0xc0 [ 372.482040] ? zap_class+0x640/0x640 [ 372.485778] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.491330] ? find_held_lock+0x36/0x1c0 [ 372.495409] ? mark_held_locks+0xc7/0x130 [ 372.499560] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 372.504677] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 372.509781] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 372.514369] ? trace_hardirqs_on+0xbd/0x310 [ 372.518689] ? kasan_check_read+0x11/0x20 [ 372.522870] ? ___ratelimit+0x3b4/0x672 [ 372.526846] ? trace_hardirqs_off_caller+0x310/0x310 [ 372.531949] ? trace_hardirqs_on+0x310/0x310 [ 372.536360] ? lock_downgrade+0x900/0x900 [ 372.540521] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 372.545628] ? ___ratelimit+0x3b9/0x672 [ 372.549603] ? idr_get_free+0xf70/0xf70 [ 372.553579] ? find_held_lock+0x36/0x1c0 [ 372.557654] oom_kill_process.cold.27+0x10/0x903 [ 372.562409] ? zap_class+0x640/0x640 [ 372.566126] ? check_preemption_disabled+0x48/0x280 [ 372.571144] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 372.576071] ? kasan_check_read+0x11/0x20 [ 372.580220] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 372.585499] ? oom_evaluate_task+0x540/0x540 [ 372.589911] ? find_held_lock+0x36/0x1c0 [ 372.593995] ? out_of_memory+0x974/0x1430 [ 372.598154] ? lock_downgrade+0x900/0x900 [ 372.602303] ? check_preemption_disabled+0x48/0x280 [ 372.607324] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 372.612269] ? kasan_check_read+0x11/0x20 [ 372.616446] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 372.621734] ? rcu_softirq_qs+0x20/0x20 [ 372.625730] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 372.631266] ? oom_evaluate_task+0x302/0x540 [ 372.635709] out_of_memory+0xa84/0x1430 [ 372.639693] ? oom_killer_disable+0x3a0/0x3a0 [ 372.644215] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 372.649171] ? __ww_mutex_check_waiters+0x160/0x160 [ 372.654205] __alloc_pages_slowpath+0x232c/0x2de0 [ 372.659079] ? warn_alloc+0x120/0x120 [ 372.662874] ? mark_held_locks+0x130/0x130 [ 372.667132] ? find_get_entry+0xaae/0x1120 [ 372.671381] ? filemap_map_pages+0x1a20/0x1a20 [ 372.675998] ? zap_class+0x640/0x640 [ 372.679742] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.685281] ? check_preemption_disabled+0x48/0x280 [ 372.690298] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 372.695845] ? should_fail+0x22d/0xd01 [ 372.699771] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 372.704874] ? zap_class+0x640/0x640 [ 372.708612] ? __lock_is_held+0xb5/0x140 [ 372.712682] ? mark_held_locks+0x130/0x130 [ 372.716917] ? lock_release+0xa00/0xa00 [ 372.720904] ? perf_trace_sched_process_exec+0x860/0x860 [ 372.726353] ? xa_load+0x2ba/0x460 [ 372.729897] ? lock_downgrade+0x900/0x900 [ 372.734049] ? __might_sleep+0x95/0x190 [ 372.738043] __alloc_pages_nodemask+0xad8/0xea0 [ 372.742718] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 372.747743] ? __page_cache_alloc+0x191/0x5c0 [ 372.752239] ? xa_load+0x2e1/0x460 [ 372.755781] ? xa_clear_mark+0x40/0x40 [ 372.759682] ? zap_class+0x640/0x640 [ 372.763404] ? zap_class+0x640/0x640 [ 372.767176] ? zap_class+0x640/0x640 [ 372.770906] ? __do_page_cache_readahead+0x663/0x810 [ 372.776027] ? find_held_lock+0x36/0x1c0 [ 372.780091] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 372.785637] alloc_pages_current+0x173/0x350 [ 372.790056] __page_cache_alloc+0x38c/0x5c0 [ 372.794377] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 372.799319] ? kasan_check_read+0x11/0x20 [ 372.803465] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 372.808746] ? generic_perform_write+0x6a0/0x6a0 [ 372.813506] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 372.819063] ? check_preemption_disabled+0x48/0x280 [ 372.824087] filemap_fault+0x1595/0x25f0 [ 372.828165] ? __lock_page_or_retry+0xa00/0xa00 [ 372.832839] ? mark_held_locks+0x130/0x130 [ 372.837097] ? filemap_map_pages+0xd6b/0x1a20 [ 372.841593] ? lock_downgrade+0x900/0x900 [ 372.845757] ? check_preemption_disabled+0x48/0x280 [ 372.850832] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 372.855774] ? kasan_check_read+0x11/0x20 [ 372.859918] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 372.865199] ? rcu_softirq_qs+0x20/0x20 [ 372.869187] ? filemap_map_pages+0xd92/0x1a20 [ 372.873698] ? find_get_entries_tag+0x1400/0x1400 [ 372.878544] ? debug_object_destroy+0x2b0/0x2b0 [ 372.883215] ? lock_pi_update_atomic+0x150/0x150 [ 372.887973] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.893529] ? lock_acquire+0x1ed/0x520 [ 372.897502] ? ext4_filemap_fault+0x7a/0xad [ 372.901830] ? lock_release+0xa00/0xa00 [ 372.905806] ? perf_trace_sched_process_exec+0x860/0x860 [ 372.911257] ? print_usage_bug+0xc0/0xc0 [ 372.915323] ? print_usage_bug+0xc0/0xc0 [ 372.919399] ? down_read+0x8d/0x120 [ 372.923035] ? ext4_filemap_fault+0x7a/0xad [ 372.927361] ? __down_interruptible+0x700/0x700 [ 372.932049] ext4_filemap_fault+0x82/0xad [ 372.936198] __do_fault+0x100/0x6b0 [ 372.939827] ? find_held_lock+0x36/0x1c0 [ 372.943890] ? pmd_devmap_trans_unstable+0x220/0x220 [ 372.948995] ? mark_held_locks+0x130/0x130 [ 372.953248] ? mark_held_locks+0x130/0x130 [ 372.957484] ? debug_smp_processor_id+0x1c/0x20 [ 372.962156] ? perf_trace_lock+0x14d/0x7a0 [ 372.966397] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 372.971939] __handle_mm_fault+0x3ea0/0x5be0 [ 372.976357] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 372.981204] ? lock_is_held_type+0x210/0x210 [ 372.985617] ? __switch_to_asm+0x34/0x70 [ 372.989680] ? __switch_to_asm+0x34/0x70 [ 372.993754] ? zap_class+0x640/0x640 [ 372.997470] ? zap_class+0x640/0x640 [ 373.001183] ? __x64_sys_futex+0x53e/0x6a0 [ 373.005423] ? find_held_lock+0x36/0x1c0 [ 373.009492] ? handle_mm_fault+0x42a/0xc70 [ 373.013728] ? lock_downgrade+0x900/0x900 [ 373.017873] ? check_preemption_disabled+0x48/0x280 [ 373.022892] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 373.027852] ? kasan_check_read+0x11/0x20 [ 373.032007] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 373.037314] ? rcu_softirq_qs+0x20/0x20 [ 373.041313] ? trace_hardirqs_off_caller+0x310/0x310 [ 373.046417] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 373.051957] ? check_preemption_disabled+0x48/0x280 [ 373.056991] handle_mm_fault+0x54f/0xc70 [ 373.061109] ? __handle_mm_fault+0x5be0/0x5be0 [ 373.065696] ? find_vma+0x34/0x190 [ 373.069246] __do_page_fault+0x5e8/0xe60 [ 373.073318] ? trace_hardirqs_off+0xb8/0x310 [ 373.077735] do_page_fault+0xf2/0x7e0 [ 373.081535] ? vmalloc_sync_all+0x30/0x30 [ 373.085688] ? error_entry+0x70/0xd0 [ 373.089434] ? trace_hardirqs_off_caller+0xbb/0x310 [ 373.094452] ? trace_hardirqs_on_caller+0xc0/0x310 [ 373.099386] ? syscall_return_slowpath+0x5e0/0x5e0 [ 373.104316] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 373.109159] ? trace_hardirqs_on_caller+0x310/0x310 [ 373.114176] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 373.119631] ? prepare_exit_to_usermode+0x291/0x3b0 [ 373.124647] ? page_fault+0x8/0x30 [ 373.128208] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 373.133055] ? page_fault+0x8/0x30 [ 373.136593] page_fault+0x1e/0x30 [ 373.140046] RIP: 0033:0x45ddf3 [ 373.143248] Code: Bad RIP value. [ 373.146608] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 373.151971] RAX: ffffffffffffff92 RBX: 0000000028898d51 RCX: 000000000045ddf3 [ 373.159245] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014f1120 [ 373.166510] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 373.173784] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 373.181056] R13: 000000c42841fe60 R14: 0000000000000001 R15: 0000000000000000 [ 373.188354] CPU: 1 PID: 16798 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #167 [ 373.188359] warn_alloc_show_mem: 1 callbacks suppressed [ 373.188371] Mem-Info: [ 373.195727] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 373.201096] active_anon:45985 inactive_anon:296 isolated_anon:0 [ 373.201096] active_file:15 inactive_file:8 isolated_file:0 [ 373.201096] unevictable:0 dirty:0 writeback:0 unstable:0 [ 373.201096] slab_reclaimable:9236 slab_unreclaimable:1461135 [ 373.201096] mapped:40979 shmem:353 pagetables:587 bounce:0 [ 373.201096] free:13771 free_pcp:249 free_cma:0 [ 373.203470] Call Trace: [ 373.212873] Node 0 active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1412kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 373.245630] [ 373.248204] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 373.275877] dump_stack+0x244/0x39d [ 373.277996] lowmem_reserve[]: 0 2818 6321 6321 [ 373.304119] ? dump_stack_print_info.cold.1+0x20/0x20 [ 373.307724] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:404kB local_pcp:156kB free_cma:0kB [ 373.312312] warn_alloc.cold.116+0xb7/0x1bd [ 373.317469] lowmem_reserve[]: 0 0 3503 3503 [ 373.344973] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 373.349271] Node 0 Normal free:14000kB min:37364kB low:46704kB high:56044kB active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2348kB bounce:0kB free_pcp:592kB local_pcp:388kB free_cma:0kB [ 373.353590] ? lock_downgrade+0x900/0x900 [ 373.358406] lowmem_reserve[]: 0 0 0 0 [ 373.387380] ? trace_hardirqs_off+0xb8/0x310 [ 373.391506] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 373.395303] ? trace_hardirqs_off+0xb8/0x310 [ 373.399683] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 2*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 373.413220] __alloc_pages_slowpath+0x2651/0x2de0 [ 373.417601] Node 0 Normal: 794*4kB (MEH) 441*8kB (UMEH) 176*16kB (UME) 69*32kB (UMEH) 18*64kB (UM) 1*128kB (U) 2*256kB (U) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14032kB [ 373.432788] ? warn_alloc+0x120/0x120 [ 373.437594] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 373.453037] ? print_usage_bug+0xc0/0xc0 [ 373.456816] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 373.465647] ? warn_alloc+0x120/0x120 [ 373.469684] 376 total pagecache pages [ 373.478260] ? warn_alloc+0x120/0x120 [ 373.482045] 0 pages in swap cache [ 373.485869] ? print_usage_bug+0xc0/0xc0 [ 373.489642] Swap cache stats: add 0, delete 0, find 0/0 [ 373.493101] ? print_usage_bug+0xc0/0xc0 [ 373.497160] Free swap = 0kB [ 373.502521] ? __lock_acquire+0x62f/0x4c20 [ 373.506559] Total swap = 0kB [ 373.509579] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 373.513799] 1965979 pages RAM [ 373.516830] ? should_fail+0x22d/0xd01 [ 373.522350] 0 pages HighMem/MovableOnly [ 373.522358] 342854 pages reserved [ 373.525461] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 373.529321] 0 pages cma reserved [ 373.533329] ? __lock_acquire+0x62f/0x4c20 [ 373.536832] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 373.541877] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 373.541896] ? __lock_acquire+0x62f/0x4c20 [ 373.545302] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 373.549473] ? should_fail+0x22d/0xd01 [ 373.555960] syz-fuzzer cpuset=/ mems_allowed=0 [ 373.561060] ? find_held_lock+0x36/0x1c0 [ 373.588031] ? mark_held_locks+0x130/0x130 [ 373.592274] ? mark_held_locks+0x130/0x130 [ 373.596507] ? zap_class+0x640/0x640 [ 373.600226] ? zap_class+0x640/0x640 [ 373.603961] ? print_usage_bug+0xc0/0xc0 [ 373.608070] ? do_raw_spin_unlock+0xa7/0x330 [ 373.612484] ? zap_class+0x640/0x640 [ 373.616207] ? print_usage_bug+0xc0/0xc0 [ 373.620268] ? wq_watchdog_touch+0x9c/0xfe [ 373.624514] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.630057] ? check_preemption_disabled+0x48/0x280 [ 373.635093] ? __lock_is_held+0xb5/0x140 [ 373.639163] __alloc_pages_nodemask+0xad8/0xea0 [ 373.643837] ? zap_class+0x640/0x640 [ 373.647565] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 373.652600] ? find_held_lock+0x36/0x1c0 [ 373.656677] ? ____cache_alloc_node+0x1c7/0x1e0 [ 373.661399] ? lock_downgrade+0x900/0x900 [ 373.665557] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.671125] cache_grow_begin+0xa5/0x8c0 [ 373.675212] ? do_raw_spin_unlock+0xa7/0x330 [ 373.679637] fallback_alloc+0x204/0x2e0 [ 373.683621] ____cache_alloc_node+0x1c7/0x1e0 [ 373.688130] kmem_cache_alloc_node+0xe3/0x730 [ 373.692627] ? ipv6_get_ifaddr+0x42e/0x620 [ 373.696896] __alloc_skb+0x119/0x770 [ 373.700611] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 373.705902] ? netdev_alloc_frag+0x1f0/0x1f0 [ 373.710338] ? lock_downgrade+0x900/0x900 [ 373.714495] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.720041] ? refcount_sub_and_test_checked+0x203/0x310 [ 373.725506] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 373.730964] ? addrconf_rs_timer+0x690/0x690 [ 373.735387] ndisc_alloc_skb+0x144/0x340 [ 373.739459] ndisc_send_rs+0x331/0x6e0 [ 373.743359] addrconf_rs_timer+0x314/0x690 [ 373.747600] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.751868] call_timer_fn+0x272/0x920 [ 373.755757] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.760009] ? process_timeout+0x40/0x40 [ 373.764080] ? __run_timers+0x7da/0xc70 [ 373.768077] ? _raw_spin_unlock_irq+0x27/0x80 [ 373.772572] ? _raw_spin_unlock_irq+0x27/0x80 [ 373.777070] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.781311] ? lockdep_hardirqs_on+0x296/0x5b0 [ 373.785898] ? trace_hardirqs_on+0xbd/0x310 [ 373.790231] ? kasan_check_read+0x11/0x20 [ 373.794386] ? __run_timers+0x7da/0xc70 [ 373.798364] ? trace_hardirqs_off_caller+0x310/0x310 [ 373.803478] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.807720] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.811959] __run_timers+0x7e5/0xc70 [ 373.815805] ? timer_fixup_init+0x70/0x70 [ 373.819960] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 373.824977] ? zap_class+0x640/0x640 [ 373.828708] ? enqueue_hrtimer+0x1a5/0x560 [ 373.832955] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 373.838162] ? find_held_lock+0x36/0x1c0 [ 373.842237] ? zap_class+0x640/0x640 [ 373.845962] ? pvclock_read_flags+0x160/0x160 [ 373.850468] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.856021] ? check_preemption_disabled+0x48/0x280 [ 373.861066] ? __lock_is_held+0xb5/0x140 [ 373.865161] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.870705] ? check_preemption_disabled+0x48/0x280 [ 373.875762] run_timer_softirq+0x52/0xb0 [ 373.879850] ? rcu_read_lock_sched_held+0x14f/0x180 [ 373.885574] __do_softirq+0x308/0xb7e [ 373.889387] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 373.893890] ? lock_downgrade+0x900/0x900 [ 373.898052] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 373.903165] ? pvclock_read_flags+0x160/0x160 [ 373.907664] ? lapic_next_event+0x5a/0x90 [ 373.911824] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.917371] ? kvm_clock_read+0x18/0x30 [ 373.921352] ? kvm_sched_clock_read+0x9/0x20 [ 373.925772] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.931350] ? check_preemption_disabled+0x48/0x280 [ 373.936429] irq_exit+0x17f/0x1c0 [ 373.939904] smp_apic_timer_interrupt+0x1cb/0x760 [ 373.944751] ? smp_reschedule_interrupt+0x109/0x650 [ 373.949770] ? smp_call_function_single_interrupt+0x650/0x650 [ 373.955828] ? interrupt_entry+0xb5/0xc0 [ 373.959897] ? trace_hardirqs_off_caller+0xbb/0x310 [ 373.964950] ? trace_hardirqs_off_caller+0xbb/0x310 [ 373.969987] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 373.974858] ? trace_hardirqs_on_caller+0x310/0x310 [ 373.979884] ? trace_hardirqs_on_caller+0x310/0x310 [ 373.984933] ? task_prio+0x50/0x50 [ 373.988500] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.994047] ? check_preemption_disabled+0x48/0x280 [ 373.999083] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 374.003939] apic_timer_interrupt+0xf/0x20 [ 374.008175] [ 374.010426] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 374.015364] Code: 7e 0f 85 cf fe ff ff e8 66 cb 3d ff e9 c5 fe ff ff e8 0d 01 c3 ff 48 83 3d a5 49 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 42 f3 [ 374.034280] RSP: 0018:ffff888195497718 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 374.042008] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 374.049286] RDX: 0000000000000000 RSI: ffff8881d2488b40 RDI: 0000000000000282 [ 374.056578] RBP: ffff888195497780 R08: ffff8881d24882c0 R09: 0000000000000000 [ 374.063856] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 374.071140] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020 [ 374.078489] skb_clone+0x1bb/0x500 [ 374.082044] ? skb_split+0x11e0/0x11e0 [ 374.085937] ? check_preemption_disabled+0x48/0x280 [ 374.090963] ? __this_cpu_preempt_check+0x1c/0x20 [ 374.095811] ? __bpf_redirect+0x55b/0xb60 [ 374.099977] ? __switch_to_asm+0x34/0x70 [ 374.104048] ? __switch_to_asm+0x40/0x70 [ 374.108130] bpf_clone_redirect+0xb9/0x490 [ 374.112467] bpf_prog_3d1649e183dc2cc1+0xaf9/0x1000 [ 374.117498] ? __sched_text_start+0x8/0x8 [ 374.121668] ? find_held_lock+0x36/0x1c0 [ 374.125746] ? lock_acquire+0x1ed/0x520 [ 374.129729] ? bpf_test_run+0x3cb/0x780 [ 374.133715] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.139266] ? check_preemption_disabled+0x48/0x280 [ 374.144296] ? kasan_check_read+0x11/0x20 [ 374.148453] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 374.153739] ? rcu_softirq_qs+0x20/0x20 [ 374.157723] ? preempt_schedule+0x4d/0x60 [ 374.161881] ? ___preempt_schedule+0x16/0x18 [ 374.166305] ? bpf_test_run+0x25d/0x780 [ 374.170308] ? netlink_diag_dump+0x2a0/0x2a0 [ 374.174725] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 374.180273] ? bpf_test_init.isra.10+0x70/0x100 [ 374.184955] ? bpf_prog_test_run_skb+0x73b/0xd10 [ 374.189730] ? bpf_test_finish.isra.9+0x260/0x260 [ 374.194580] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 374.200124] ? fput+0x130/0x1a0 [ 374.203414] ? __bpf_prog_get+0x9b/0x290 [ 374.207487] ? bpf_test_finish.isra.9+0x260/0x260 [ 374.212336] ? bpf_prog_test_run+0x130/0x1a0 [ 374.216751] ? __x64_sys_bpf+0x3db/0x520 [ 374.220846] ? bpf_prog_get+0x20/0x20 [ 374.224678] ? do_syscall_64+0x1b9/0x820 [ 374.228744] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 374.234117] ? syscall_return_slowpath+0x5e0/0x5e0 [ 374.239051] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 374.243909] ? trace_hardirqs_on_caller+0x310/0x310 [ 374.248935] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 374.253968] ? prepare_exit_to_usermode+0x291/0x3b0 [ 374.259011] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 374.263878] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 374.269265] CPU: 0 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #167 [ 374.269331] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 374.276280] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 374.276289] Call Trace: [ 374.282938] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 374.292125] [ 374.294703] syz-executor0 cpuset=syz0 mems_allowed=0 [ 374.305198] dump_stack+0x244/0x39d [ 374.316194] ? dump_stack_print_info.cold.1+0x20/0x20 [ 374.321403] warn_alloc.cold.116+0xb7/0x1bd [ 374.325730] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 374.330580] ? lock_downgrade+0x900/0x900 [ 374.334736] ? trace_hardirqs_off+0xb8/0x310 [ 374.339156] ? trace_hardirqs_off+0xb8/0x310 [ 374.343577] __alloc_pages_slowpath+0x2651/0x2de0 [ 374.348456] ? warn_alloc+0x120/0x120 [ 374.352261] ? print_usage_bug+0xc0/0xc0 [ 374.356325] ? warn_alloc+0x120/0x120 [ 374.360134] ? warn_alloc+0x120/0x120 [ 374.363940] ? print_usage_bug+0xc0/0xc0 [ 374.368062] ? print_usage_bug+0xc0/0xc0 [ 374.372133] ? __lock_acquire+0x62f/0x4c20 [ 374.376382] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 374.381922] ? should_fail+0x22d/0xd01 [ 374.385860] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 374.390994] ? __lock_acquire+0x62f/0x4c20 [ 374.395255] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 374.400377] ? __lock_acquire+0x62f/0x4c20 [ 374.404631] ? should_fail+0x22d/0xd01 [ 374.408527] ? find_held_lock+0x36/0x1c0 [ 374.412599] ? mark_held_locks+0x130/0x130 [ 374.416841] ? mark_held_locks+0x130/0x130 [ 374.421084] ? zap_class+0x640/0x640 [ 374.424803] ? zap_class+0x640/0x640 [ 374.428520] ? print_usage_bug+0xc0/0xc0 [ 374.432582] ? do_raw_spin_unlock+0xa7/0x330 [ 374.436995] ? zap_class+0x640/0x640 [ 374.440719] ? print_usage_bug+0xc0/0xc0 [ 374.444781] ? wq_watchdog_touch+0x9c/0xfe [ 374.449033] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.454584] ? check_preemption_disabled+0x48/0x280 [ 374.459616] ? __lock_is_held+0xb5/0x140 [ 374.463688] __alloc_pages_nodemask+0xad8/0xea0 [ 374.468359] ? zap_class+0x640/0x640 [ 374.472087] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 374.477117] ? find_held_lock+0x36/0x1c0 [ 374.481193] ? ____cache_alloc_node+0x1c7/0x1e0 [ 374.485864] ? lock_downgrade+0x900/0x900 [ 374.490036] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.495583] cache_grow_begin+0xa5/0x8c0 [ 374.499650] ? do_raw_spin_unlock+0xa7/0x330 [ 374.504076] fallback_alloc+0x204/0x2e0 [ 374.508065] ____cache_alloc_node+0x1c7/0x1e0 [ 374.512567] kmem_cache_alloc_node+0xe3/0x730 [ 374.517065] ? ipv6_get_ifaddr+0x42e/0x620 [ 374.521320] __alloc_skb+0x119/0x770 [ 374.525043] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 374.530341] ? netdev_alloc_frag+0x1f0/0x1f0 [ 374.534764] ? lock_downgrade+0x900/0x900 [ 374.538937] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.544476] ? refcount_sub_and_test_checked+0x203/0x310 [ 374.549936] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 374.555398] ? addrconf_rs_timer+0x690/0x690 [ 374.559865] ndisc_alloc_skb+0x144/0x340 [ 374.563935] ndisc_send_rs+0x331/0x6e0 [ 374.567862] addrconf_rs_timer+0x314/0x690 [ 374.572121] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.576376] call_timer_fn+0x272/0x920 [ 374.580271] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.584510] ? process_timeout+0x40/0x40 [ 374.588586] ? mark_held_locks+0xc7/0x130 [ 374.592756] ? _raw_spin_unlock_irq+0x27/0x80 [ 374.597263] ? _raw_spin_unlock_irq+0x27/0x80 [ 374.601764] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.606010] ? lockdep_hardirqs_on+0x296/0x5b0 [ 374.610599] ? trace_hardirqs_on+0xbd/0x310 [ 374.614924] ? kasan_check_read+0x11/0x20 [ 374.619092] ? __run_timers+0x7da/0xc70 [ 374.623077] ? trace_hardirqs_off_caller+0x310/0x310 [ 374.628200] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.632445] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.636698] __run_timers+0x7e5/0xc70 [ 374.640510] ? timer_fixup_init+0x70/0x70 [ 374.644663] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 374.649689] ? zap_class+0x640/0x640 [ 374.653412] ? print_usage_bug+0xc0/0xc0 [ 374.657478] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 374.662685] ? find_held_lock+0x36/0x1c0 [ 374.666752] ? zap_class+0x640/0x640 [ 374.670478] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.676032] ? check_preemption_disabled+0x48/0x280 [ 374.681064] ? __lock_is_held+0xb5/0x140 [ 374.685135] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.690690] ? check_preemption_disabled+0x48/0x280 [ 374.695747] run_timer_softirq+0x52/0xb0 [ 374.699852] ? rcu_read_lock_sched_held+0x14f/0x180 [ 374.704915] __do_softirq+0x308/0xb7e [ 374.708726] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 374.713225] ? lock_downgrade+0x900/0x900 [ 374.717387] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 374.722503] ? pvclock_read_flags+0x160/0x160 [ 374.727011] ? lapic_next_event+0x5a/0x90 [ 374.731186] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.736765] ? kvm_clock_read+0x18/0x30 [ 374.740746] ? kvm_sched_clock_read+0x9/0x20 [ 374.745159] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 374.750715] ? check_preemption_disabled+0x48/0x280 [ 374.755787] irq_exit+0x17f/0x1c0 [ 374.759247] smp_apic_timer_interrupt+0x1cb/0x760 [ 374.764093] ? smp_reschedule_interrupt+0x109/0x650 [ 374.769127] ? smp_call_function_single_interrupt+0x650/0x650 [ 374.775040] ? interrupt_entry+0xb5/0xc0 [ 374.779109] ? trace_hardirqs_off_caller+0xbb/0x310 [ 374.784124] ? trace_hardirqs_off_caller+0xbb/0x310 [ 374.789142] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 374.793992] ? trace_hardirqs_on_caller+0x310/0x310 [ 374.799031] ? trace_hardirqs_on_caller+0x310/0x310 [ 374.804069] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 374.808935] apic_timer_interrupt+0xf/0x20 [ 374.813169] [ 374.815438] RIP: 0010:dump_stack+0x358/0x39d [ 374.819861] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 f1 36 ed f9 48 83 3d f9 27 7c 01 00 0f 84 63 fe ff ff e8 6e b7 a9 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b b7 a9 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 374.838770] RSP: 0000:ffff8881bb40e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 374.846486] RAX: ffff8881c2208180 RBX: 1ffffffff12a3f6e RCX: 1ffff1103844114e [ 374.853777] RDX: 0000000000000000 RSI: ffffffff87d5d382 RDI: 0000000000000293 [ 374.861095] RBP: ffff8881bb40e290 R08: ffff8881c2208a70 R09: 0000000000000006 [ 374.868400] R10: 0000000000000000 R11: ffff8881c2208180 R12: 1ffff11037681c45 [ 374.875671] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 374.882981] ? dump_stack+0x34f/0x39d [ 374.886803] ? dump_stack_print_info.cold.1+0x20/0x20 [ 374.892007] ? mark_held_locks+0x130/0x130 [ 374.896250] ? mark_held_locks+0x130/0x130 [ 374.900494] dump_header+0x27b/0xf72 [ 374.904224] ? pagefault_out_of_memory+0x197/0x197 [ 374.909179] ? __lock_acquire+0x62f/0x4c20 [ 374.913431] ? percpu_ref_get_many+0x240/0x240 [ 374.918036] ? print_usage_bug+0xc0/0xc0 [ 374.922120] ? zap_class+0x640/0x640 [ 374.925854] ? print_usage_bug+0xc0/0xc0 [ 374.929918] ? print_usage_bug+0xc0/0xc0 [ 374.933986] ? zap_class+0x640/0x640 [ 374.937714] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.943257] ? find_held_lock+0x36/0x1c0 [ 374.947342] ? mark_held_locks+0xc7/0x130 [ 374.951513] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 374.956620] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 374.961741] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 374.966331] ? trace_hardirqs_on+0xbd/0x310 [ 374.970660] ? kasan_check_read+0x11/0x20 [ 374.974810] ? ___ratelimit+0x3b4/0x672 [ 374.978787] ? trace_hardirqs_off_caller+0x310/0x310 [ 374.983909] ? trace_hardirqs_on+0x310/0x310 [ 374.988343] ? lock_downgrade+0x900/0x900 [ 374.992505] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 374.997614] ? ___ratelimit+0x3b9/0x672 [ 375.001594] ? idr_get_free+0xf70/0xf70 [ 375.005573] ? find_held_lock+0x36/0x1c0 [ 375.009647] oom_kill_process.cold.27+0x10/0x903 [ 375.014410] ? zap_class+0x640/0x640 [ 375.018141] ? check_preemption_disabled+0x48/0x280 [ 375.023160] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 375.028088] ? kasan_check_read+0x11/0x20 [ 375.032237] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 375.037517] ? oom_evaluate_task+0x540/0x540 [ 375.041936] ? find_held_lock+0x36/0x1c0 [ 375.046016] ? out_of_memory+0x974/0x1430 [ 375.050173] ? lock_downgrade+0x900/0x900 [ 375.054334] ? check_preemption_disabled+0x48/0x280 [ 375.059379] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 375.064320] ? kasan_check_read+0x11/0x20 [ 375.068471] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 375.073751] ? rcu_softirq_qs+0x20/0x20 [ 375.077729] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 375.083271] ? oom_evaluate_task+0x302/0x540 [ 375.087688] out_of_memory+0xa84/0x1430 [ 375.091672] ? oom_killer_disable+0x3a0/0x3a0 [ 375.096170] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 375.101107] ? __ww_mutex_check_waiters+0x160/0x160 [ 375.106141] __alloc_pages_slowpath+0x232c/0x2de0 [ 375.111023] ? warn_alloc+0x120/0x120 [ 375.114827] ? mark_held_locks+0x130/0x130 [ 375.119066] ? find_get_entry+0xaae/0x1120 [ 375.123311] ? filemap_map_pages+0x1a20/0x1a20 [ 375.127899] ? zap_class+0x640/0x640 [ 375.131623] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.137163] ? check_preemption_disabled+0x48/0x280 [ 375.142185] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 375.147725] ? should_fail+0x22d/0xd01 [ 375.151620] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 375.156740] ? zap_class+0x640/0x640 [ 375.160494] ? __lock_is_held+0xb5/0x140 [ 375.164577] ? mark_held_locks+0x130/0x130 [ 375.168843] ? lock_release+0xa00/0xa00 [ 375.172838] ? perf_trace_sched_process_exec+0x860/0x860 [ 375.178295] ? xa_load+0x2ba/0x460 [ 375.181840] ? lock_downgrade+0x900/0x900 [ 375.185995] ? __might_sleep+0x95/0x190 [ 375.190013] __alloc_pages_nodemask+0xad8/0xea0 [ 375.194711] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 375.199732] ? __page_cache_alloc+0x191/0x5c0 [ 375.204224] ? xa_load+0x2e1/0x460 [ 375.207761] ? xa_clear_mark+0x40/0x40 [ 375.211653] ? zap_class+0x640/0x640 [ 375.215379] ? zap_class+0x640/0x640 [ 375.219169] ? zap_class+0x640/0x640 [ 375.222908] ? __do_page_cache_readahead+0x663/0x810 [ 375.228031] ? find_held_lock+0x36/0x1c0 [ 375.232104] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 375.237650] alloc_pages_current+0x173/0x350 [ 375.242070] __page_cache_alloc+0x38c/0x5c0 [ 375.246397] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 375.251326] ? kasan_check_read+0x11/0x20 [ 375.255491] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 375.260802] ? generic_perform_write+0x6a0/0x6a0 [ 375.265602] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 375.271158] ? check_preemption_disabled+0x48/0x280 [ 375.276189] filemap_fault+0x1595/0x25f0 [ 375.280267] ? __lock_page_or_retry+0xa00/0xa00 [ 375.284945] ? mark_held_locks+0x130/0x130 [ 375.289196] ? filemap_map_pages+0xd6b/0x1a20 [ 375.293695] ? lock_downgrade+0x900/0x900 [ 375.297847] ? check_preemption_disabled+0x48/0x280 [ 375.302871] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 375.307801] ? kasan_check_read+0x11/0x20 [ 375.311950] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 375.317251] ? rcu_softirq_qs+0x20/0x20 [ 375.321279] ? filemap_map_pages+0xd92/0x1a20 [ 375.325799] ? find_get_entries_tag+0x1400/0x1400 [ 375.330657] ? debug_object_destroy+0x2b0/0x2b0 [ 375.335326] ? lock_pi_update_atomic+0x150/0x150 [ 375.340092] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.345640] ? lock_acquire+0x1ed/0x520 [ 375.349613] ? ext4_filemap_fault+0x7a/0xad [ 375.353952] ? lock_release+0xa00/0xa00 [ 375.357926] ? perf_trace_sched_process_exec+0x860/0x860 [ 375.363383] ? print_usage_bug+0xc0/0xc0 [ 375.367450] ? print_usage_bug+0xc0/0xc0 [ 375.371521] ? down_read+0x8d/0x120 [ 375.375162] ? ext4_filemap_fault+0x7a/0xad [ 375.379482] ? __down_interruptible+0x700/0x700 [ 375.384164] ext4_filemap_fault+0x82/0xad [ 375.388317] __do_fault+0x100/0x6b0 [ 375.391949] ? find_held_lock+0x36/0x1c0 [ 375.396038] ? pmd_devmap_trans_unstable+0x220/0x220 [ 375.401145] ? mark_held_locks+0x130/0x130 [ 375.405385] ? mark_held_locks+0x130/0x130 [ 375.409622] ? debug_smp_processor_id+0x1c/0x20 [ 375.414292] ? perf_trace_lock+0x14d/0x7a0 [ 375.418534] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 375.424079] __handle_mm_fault+0x3ea0/0x5be0 [ 375.428501] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 375.433349] ? lock_is_held_type+0x210/0x210 [ 375.437800] ? __switch_to_asm+0x34/0x70 [ 375.441863] ? __switch_to_asm+0x34/0x70 [ 375.445938] ? zap_class+0x640/0x640 [ 375.449651] ? zap_class+0x640/0x640 [ 375.453373] ? __x64_sys_futex+0x53e/0x6a0 [ 375.457613] ? find_held_lock+0x36/0x1c0 [ 375.461685] ? handle_mm_fault+0x42a/0xc70 [ 375.465925] ? lock_downgrade+0x900/0x900 [ 375.470081] ? check_preemption_disabled+0x48/0x280 [ 375.475111] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 375.480060] ? kasan_check_read+0x11/0x20 [ 375.484211] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 375.489493] ? rcu_softirq_qs+0x20/0x20 [ 375.493469] ? trace_hardirqs_off_caller+0x310/0x310 [ 375.498574] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 375.504133] ? check_preemption_disabled+0x48/0x280 [ 375.509175] handle_mm_fault+0x54f/0xc70 [ 375.513240] ? __handle_mm_fault+0x5be0/0x5be0 [ 375.517841] ? find_vma+0x34/0x190 [ 375.521394] __do_page_fault+0x5e8/0xe60 [ 375.525457] ? trace_hardirqs_off+0xb8/0x310 [ 375.529877] do_page_fault+0xf2/0x7e0 [ 375.533680] ? vmalloc_sync_all+0x30/0x30 [ 375.537833] ? error_entry+0x70/0xd0 [ 375.541637] ? trace_hardirqs_off_caller+0xbb/0x310 [ 375.546653] ? trace_hardirqs_on_caller+0xc0/0x310 [ 375.551584] ? syscall_return_slowpath+0x5e0/0x5e0 [ 375.556517] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 375.561373] ? trace_hardirqs_on_caller+0x310/0x310 [ 375.566396] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 375.571855] ? prepare_exit_to_usermode+0x291/0x3b0 [ 375.576883] ? page_fault+0x8/0x30 [ 375.580427] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 375.585278] ? page_fault+0x8/0x30 [ 375.588824] page_fault+0x1e/0x30 [ 375.592277] RIP: 0033:0x45ddf3 [ 375.595490] Code: Bad RIP value. [ 375.598855] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 375.604217] RAX: ffffffffffffff92 RBX: 0000000028898d51 RCX: 000000000045ddf3 [ 375.611486] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014f1120 [ 375.618762] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 375.626043] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 375.633311] R13: 000000c42841fe60 R14: 0000000000000001 R15: 0000000000000000 [ 375.640607] warn_alloc_show_mem: 1 callbacks suppressed [ 375.640619] CPU: 1 PID: 16798 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #167 [ 375.640621] Mem-Info: [ 375.640652] active_anon:45985 inactive_anon:296 isolated_anon:0 [ 375.640652] active_file:15 inactive_file:8 isolated_file:0 [ 375.640652] unevictable:0 dirty:0 writeback:0 unstable:0 [ 375.640652] slab_reclaimable:9236 slab_unreclaimable:1461135 [ 375.640652] mapped:40979 shmem:353 pagetables:587 bounce:0 [ 375.640652] free:13771 free_pcp:249 free_cma:0 [ 375.645997] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 375.653384] Node 0 active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1412kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 375.655778] Call Trace: [ 375.688583] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 375.697937] [ 375.725610] lowmem_reserve[]: 0 2818 6321 6321 [ 375.728224] dump_stack+0x244/0x39d [ 375.754314] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:404kB local_pcp:156kB free_cma:0kB [ 375.756478] ? dump_stack_print_info.cold.1+0x20/0x20 [ 375.761023] lowmem_reserve[]: 0 0 3503 3503 [ 375.764701] warn_alloc.cold.116+0xb7/0x1bd [ 375.792177] Node 0 Normal free:14000kB min:37364kB low:46704kB high:56044kB active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2348kB bounce:0kB free_pcp:592kB local_pcp:388kB free_cma:0kB [ 375.797377] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 375.801701] lowmem_reserve[]: 0 0 0 0 [ 375.806034] ? lock_downgrade+0x900/0x900 [ 375.834993] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 375.839858] ? trace_hardirqs_off+0xb8/0x310 [ 375.843630] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 2*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 375.847790] ? trace_hardirqs_off+0xb8/0x310 [ 375.861309] Node 0 Normal: 794*4kB (MEH) 441*8kB (UMEH) 176*16kB (UME) 69*32kB (UMEH) 18*64kB (UM) 1*128kB (U) 2*256kB (U) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14032kB [ 375.865741] __alloc_pages_slowpath+0x2651/0x2de0 [ 375.880826] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 375.885266] ? warn_alloc+0x120/0x120 [ 375.900671] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 375.905520] ? warn_alloc+0x120/0x120 [ 375.914351] 376 total pagecache pages [ 375.918159] ? zap_class+0x640/0x640 [ 375.926715] 0 pages in swap cache [ 375.930512] ? warn_alloc+0x120/0x120 [ 375.934287] Swap cache stats: add 0, delete 0, find 0/0 [ 375.937996] ? print_usage_bug+0xc0/0xc0 [ 375.941426] Free swap = 0kB [ 375.945229] ? print_usage_bug+0xc0/0xc0 [ 375.950559] Total swap = 0kB [ 375.950567] 1965979 pages RAM [ 375.954631] ? __lock_is_held+0xb5/0x140 [ 375.957611] 0 pages HighMem/MovableOnly [ 375.957620] 342854 pages reserved [ 375.961684] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 375.964667] 0 pages cma reserved [ 375.964737] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 375.967780] ? should_fail+0x22d/0xd01 [ 375.971908] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 375.975794] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 375.979219] syz-fuzzer cpuset=/ mems_allowed=0 [ 375.984752] ? __lock_acquire+0x62f/0x4c20 [ 376.022610] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 376.027753] ? __lock_acquire+0x62f/0x4c20 [ 376.032000] ? should_fail+0x22d/0xd01 [ 376.035918] ? mark_held_locks+0x130/0x130 [ 376.040162] ? mark_held_locks+0x130/0x130 [ 376.044406] ? __enqueue_entity+0x10d/0x1f0 [ 376.048743] ? zap_class+0x640/0x640 [ 376.052461] ? print_usage_bug+0xc0/0xc0 [ 376.056541] ? __lock_acquire+0x62f/0x4c20 [ 376.060796] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.066348] ? check_preemption_disabled+0x48/0x280 [ 376.071383] ? __lock_is_held+0xb5/0x140 [ 376.075455] __alloc_pages_nodemask+0xad8/0xea0 [ 376.080134] ? zap_class+0x640/0x640 [ 376.083855] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 376.088896] ? find_held_lock+0x36/0x1c0 [ 376.092973] ? ____cache_alloc_node+0x1c7/0x1e0 [ 376.097656] ? lock_downgrade+0x900/0x900 [ 376.101816] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.107398] cache_grow_begin+0xa5/0x8c0 [ 376.111466] ? do_raw_spin_unlock+0xa7/0x330 [ 376.115901] fallback_alloc+0x204/0x2e0 [ 376.119901] ____cache_alloc_node+0x1c7/0x1e0 [ 376.124410] kmem_cache_alloc_node+0xe3/0x730 [ 376.128917] ? ipv6_get_ifaddr+0x42e/0x620 [ 376.133170] __alloc_skb+0x119/0x770 [ 376.136891] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 376.142178] ? netdev_alloc_frag+0x1f0/0x1f0 [ 376.146597] ? lock_downgrade+0x900/0x900 [ 376.150761] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.156309] ? refcount_sub_and_test_checked+0x203/0x310 [ 376.161774] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 376.167235] ? addrconf_rs_timer+0x690/0x690 [ 376.171663] ndisc_alloc_skb+0x144/0x340 [ 376.175734] ndisc_send_rs+0x331/0x6e0 [ 376.179640] addrconf_rs_timer+0x314/0x690 [ 376.183889] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.188154] call_timer_fn+0x272/0x920 [ 376.192046] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.196298] ? process_timeout+0x40/0x40 [ 376.200372] ? __run_timers+0x7da/0xc70 [ 376.204355] ? _raw_spin_unlock_irq+0x27/0x80 [ 376.208852] ? _raw_spin_unlock_irq+0x27/0x80 [ 376.213354] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.217596] ? lockdep_hardirqs_on+0x296/0x5b0 [ 376.222191] ? trace_hardirqs_on+0xbd/0x310 [ 376.226520] ? kasan_check_read+0x11/0x20 [ 376.230678] ? __run_timers+0x7da/0xc70 [ 376.234658] ? trace_hardirqs_off_caller+0x310/0x310 [ 376.239781] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.244031] __run_timers+0x7e5/0xc70 [ 376.247848] ? timer_fixup_init+0x70/0x70 [ 376.252019] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 376.257054] ? zap_class+0x640/0x640 [ 376.260777] ? enqueue_hrtimer+0x1a5/0x560 [ 376.265027] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 376.270231] ? find_held_lock+0x36/0x1c0 [ 376.274302] ? zap_class+0x640/0x640 [ 376.278031] ? pvclock_read_flags+0x160/0x160 [ 376.282535] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.288074] ? check_preemption_disabled+0x48/0x280 [ 376.293106] ? __lock_is_held+0xb5/0x140 [ 376.297172] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.302710] ? check_preemption_disabled+0x48/0x280 [ 376.307732] run_timer_softirq+0x52/0xb0 [ 376.312314] ? rcu_read_lock_sched_held+0x14f/0x180 [ 376.317334] __do_softirq+0x308/0xb7e [ 376.321138] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 376.325636] ? lock_downgrade+0x900/0x900 [ 376.329789] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 376.334900] ? pvclock_read_flags+0x160/0x160 [ 376.339397] ? lapic_next_event+0x5a/0x90 [ 376.343548] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.349095] ? kvm_clock_read+0x18/0x30 [ 376.353068] ? kvm_sched_clock_read+0x9/0x20 [ 376.357483] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.363031] ? check_preemption_disabled+0x48/0x280 [ 376.368061] irq_exit+0x17f/0x1c0 [ 376.371518] smp_apic_timer_interrupt+0x1cb/0x760 [ 376.376361] ? smp_reschedule_interrupt+0x109/0x650 [ 376.381378] ? smp_call_function_single_interrupt+0x650/0x650 [ 376.387279] ? interrupt_entry+0xb5/0xc0 [ 376.391354] ? trace_hardirqs_off_caller+0xbb/0x310 [ 376.396368] ? trace_hardirqs_off_caller+0xbb/0x310 [ 376.401390] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 376.406237] ? trace_hardirqs_on_caller+0x310/0x310 [ 376.411253] ? trace_hardirqs_on_caller+0x310/0x310 [ 376.416274] ? task_prio+0x50/0x50 [ 376.419820] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.425364] ? check_preemption_disabled+0x48/0x280 [ 376.430382] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 376.435237] apic_timer_interrupt+0xf/0x20 [ 376.439466] [ 376.441720] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 376.446681] Code: 7e 0f 85 cf fe ff ff e8 66 cb 3d ff e9 c5 fe ff ff e8 0d 01 c3 ff 48 83 3d a5 49 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 42 f3 [ 376.465578] RSP: 0018:ffff888195497718 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 376.473284] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 376.480569] RDX: 0000000000000000 RSI: ffff8881d2488b40 RDI: 0000000000000282 [ 376.487837] RBP: ffff888195497780 R08: ffff8881d24882c0 R09: 0000000000000000 [ 376.495101] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 376.502368] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020 [ 376.509672] skb_clone+0x1bb/0x500 [ 376.513215] ? skb_split+0x11e0/0x11e0 [ 376.517102] ? check_preemption_disabled+0x48/0x280 [ 376.522121] ? __this_cpu_preempt_check+0x1c/0x20 [ 376.526963] ? __bpf_redirect+0x55b/0xb60 [ 376.531109] ? __switch_to_asm+0x34/0x70 [ 376.535184] ? __switch_to_asm+0x40/0x70 [ 376.539251] bpf_clone_redirect+0xb9/0x490 [ 376.543493] bpf_prog_3d1649e183dc2cc1+0xaf9/0x1000 [ 376.548518] ? __sched_text_start+0x8/0x8 [ 376.552698] ? find_held_lock+0x36/0x1c0 [ 376.556782] ? lock_acquire+0x1ed/0x520 [ 376.560757] ? bpf_test_run+0x3cb/0x780 [ 376.564753] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.570291] ? check_preemption_disabled+0x48/0x280 [ 376.575352] ? kasan_check_read+0x11/0x20 [ 376.579501] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 376.584780] ? rcu_softirq_qs+0x20/0x20 [ 376.588754] ? preempt_schedule+0x4d/0x60 [ 376.592904] ? ___preempt_schedule+0x16/0x18 [ 376.597318] ? bpf_test_run+0x25d/0x780 [ 376.601303] ? netlink_diag_dump+0x2a0/0x2a0 [ 376.605727] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 376.611261] ? bpf_test_init.isra.10+0x70/0x100 [ 376.615950] ? bpf_prog_test_run_skb+0x73b/0xd10 [ 376.620720] ? bpf_test_finish.isra.9+0x260/0x260 [ 376.625563] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 376.631103] ? fput+0x130/0x1a0 [ 376.634404] ? __bpf_prog_get+0x9b/0x290 [ 376.638470] ? bpf_test_finish.isra.9+0x260/0x260 [ 376.643311] ? bpf_prog_test_run+0x130/0x1a0 [ 376.647720] ? __x64_sys_bpf+0x3db/0x520 [ 376.651782] ? bpf_prog_get+0x20/0x20 [ 376.655603] ? do_syscall_64+0x1b9/0x820 [ 376.659662] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 376.665038] ? syscall_return_slowpath+0x5e0/0x5e0 [ 376.669970] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 376.674828] ? trace_hardirqs_on_caller+0x310/0x310 [ 376.679843] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 376.684873] ? prepare_exit_to_usermode+0x291/0x3b0 [ 376.689917] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 376.694766] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 376.700148] CPU: 0 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #167 [ 376.700217] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 376.707163] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 376.707171] Call Trace: [ 376.713735] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 376.722990] [ 376.725567] syz-executor0 cpuset=syz0 mems_allowed=0 [ 376.736060] dump_stack+0x244/0x39d [ 376.746899] ? dump_stack_print_info.cold.1+0x20/0x20 [ 376.752105] warn_alloc.cold.116+0xb7/0x1bd [ 376.756431] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 376.761283] ? lock_downgrade+0x900/0x900 [ 376.765442] ? trace_hardirqs_off+0xb8/0x310 [ 376.769852] ? trace_hardirqs_off+0xb8/0x310 [ 376.774266] __alloc_pages_slowpath+0x2651/0x2de0 [ 376.779142] ? warn_alloc+0x120/0x120 [ 376.782983] ? print_usage_bug+0xc0/0xc0 [ 376.787052] ? warn_alloc+0x120/0x120 [ 376.790880] ? warn_alloc+0x120/0x120 [ 376.794701] ? print_usage_bug+0xc0/0xc0 [ 376.798765] ? kvm_clock_read+0x18/0x30 [ 376.802740] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 376.807756] ? print_usage_bug+0xc0/0xc0 [ 376.811817] ? __lock_acquire+0x62f/0x4c20 [ 376.816058] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 376.821599] ? should_fail+0x22d/0xd01 [ 376.825486] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 376.830766] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 376.835867] ? __lock_acquire+0x62f/0x4c20 [ 376.840123] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 376.845227] ? __lock_acquire+0x62f/0x4c20 [ 376.849461] ? should_fail+0x22d/0xd01 [ 376.853386] ? rcu_irq_exit+0x1a2/0x390 [ 376.857390] ? mark_held_locks+0x130/0x130 [ 376.861633] ? mark_held_locks+0x130/0x130 [ 376.865877] ? mark_held_locks+0xc7/0x130 [ 376.870051] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 376.875072] ? zap_class+0x640/0x640 [ 376.878790] ? print_usage_bug+0xc0/0xc0 [ 376.882873] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.888413] ? check_preemption_disabled+0x48/0x280 [ 376.893441] ? __lock_is_held+0xb5/0x140 [ 376.897518] __alloc_pages_nodemask+0xad8/0xea0 [ 376.902190] ? zap_class+0x640/0x640 [ 376.905911] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 376.910948] ? find_held_lock+0x36/0x1c0 [ 376.915027] ? ____cache_alloc_node+0x1c7/0x1e0 [ 376.919712] ? lock_downgrade+0x900/0x900 [ 376.923867] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.929411] cache_grow_begin+0xa5/0x8c0 [ 376.933492] ? do_raw_spin_unlock+0xa7/0x330 [ 376.937907] fallback_alloc+0x204/0x2e0 [ 376.941885] ____cache_alloc_node+0x1c7/0x1e0 [ 376.946397] kmem_cache_alloc_node+0xe3/0x730 [ 376.950895] ? ipv6_get_ifaddr+0x42e/0x620 [ 376.955155] __alloc_skb+0x119/0x770 [ 376.958868] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 376.964182] ? netdev_alloc_frag+0x1f0/0x1f0 [ 376.968588] ? lock_downgrade+0x900/0x900 [ 376.972740] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.978294] ? refcount_sub_and_test_checked+0x203/0x310 [ 376.983747] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 376.989199] ? addrconf_rs_timer+0x690/0x690 [ 376.993619] ndisc_alloc_skb+0x144/0x340 [ 376.997688] ndisc_send_rs+0x331/0x6e0 [ 377.001580] addrconf_rs_timer+0x314/0x690 [ 377.005843] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 377.010083] call_timer_fn+0x272/0x920 [ 377.013967] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 377.018204] ? process_timeout+0x40/0x40 [ 377.022278] ? mark_held_locks+0xc7/0x130 [ 377.026473] ? _raw_spin_unlock_irq+0x27/0x80 [ 377.030977] ? _raw_spin_unlock_irq+0x27/0x80 [ 377.035479] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 377.039716] ? lockdep_hardirqs_on+0x296/0x5b0 [ 377.044299] ? trace_hardirqs_on+0xbd/0x310 [ 377.048624] ? kasan_check_read+0x11/0x20 [ 377.052772] ? __run_timers+0x7da/0xc70 [ 377.056747] ? trace_hardirqs_off_caller+0x310/0x310 [ 377.061855] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 377.066102] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 377.070336] __run_timers+0x7e5/0xc70 [ 377.074153] ? timer_fixup_init+0x70/0x70 [ 377.078332] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 377.083371] ? zap_class+0x640/0x640 [ 377.087086] ? print_usage_bug+0xc0/0xc0 [ 377.091165] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 377.096362] ? find_held_lock+0x36/0x1c0 [ 377.100433] ? zap_class+0x640/0x640 [ 377.104158] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.109713] ? check_preemption_disabled+0x48/0x280 [ 377.114746] ? __lock_is_held+0xb5/0x140 [ 377.118808] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.124344] ? check_preemption_disabled+0x48/0x280 [ 377.129379] run_timer_softirq+0x52/0xb0 [ 377.133440] ? rcu_read_lock_sched_held+0x14f/0x180 [ 377.138459] __do_softirq+0x308/0xb7e [ 377.142264] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 377.146761] ? lock_downgrade+0x900/0x900 [ 377.150917] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 377.156038] ? pvclock_read_flags+0x160/0x160 [ 377.160540] ? lapic_next_event+0x5a/0x90 [ 377.164691] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.170233] ? kvm_clock_read+0x18/0x30 [ 377.174210] ? kvm_sched_clock_read+0x9/0x20 [ 377.178623] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 377.184286] ? check_preemption_disabled+0x48/0x280 [ 377.189312] irq_exit+0x17f/0x1c0 [ 377.192814] smp_apic_timer_interrupt+0x1cb/0x760 [ 377.197669] ? smp_reschedule_interrupt+0x109/0x650 [ 377.202686] ? smp_call_function_single_interrupt+0x650/0x650 [ 377.208572] ? interrupt_entry+0xb5/0xc0 [ 377.212637] ? trace_hardirqs_off_caller+0xbb/0x310 [ 377.217654] ? trace_hardirqs_off_caller+0xbb/0x310 [ 377.222689] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 377.227532] ? trace_hardirqs_on_caller+0x310/0x310 [ 377.232553] ? trace_hardirqs_on_caller+0x310/0x310 [ 377.237584] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 377.242437] apic_timer_interrupt+0xf/0x20 [ 377.246666] [ 377.248921] RIP: 0010:dump_stack+0x358/0x39d [ 377.253360] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 f1 36 ed f9 48 83 3d f9 27 7c 01 00 0f 84 63 fe ff ff e8 6e b7 a9 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b b7 a9 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 377.272267] RSP: 0000:ffff8881bb40e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 377.279971] RAX: ffff8881c2208180 RBX: 1ffffffff12a3f6e RCX: 1ffff1103844114e [ 377.287246] RDX: 0000000000000000 RSI: ffffffff87d5d382 RDI: 0000000000000293 [ 377.294511] RBP: ffff8881bb40e290 R08: ffff8881c2208a70 R09: 0000000000000006 [ 377.301781] R10: 0000000000000000 R11: ffff8881c2208180 R12: 1ffff11037681c45 [ 377.309052] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 377.316337] ? dump_stack+0x34f/0x39d [ 377.320160] ? dump_stack_print_info.cold.1+0x20/0x20 [ 377.325363] ? mark_held_locks+0x130/0x130 [ 377.329620] ? mark_held_locks+0x130/0x130 [ 377.333863] dump_header+0x27b/0xf72 [ 377.337591] ? pagefault_out_of_memory+0x197/0x197 [ 377.342526] ? __lock_acquire+0x62f/0x4c20 [ 377.346760] ? percpu_ref_get_many+0x240/0x240 [ 377.351344] ? print_usage_bug+0xc0/0xc0 [ 377.355429] ? zap_class+0x640/0x640 [ 377.359146] ? print_usage_bug+0xc0/0xc0 [ 377.363211] ? print_usage_bug+0xc0/0xc0 [ 377.367278] ? zap_class+0x640/0x640 [ 377.370999] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.376550] ? find_held_lock+0x36/0x1c0 [ 377.380622] ? mark_held_locks+0xc7/0x130 [ 377.384788] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 377.389906] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 377.395020] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 377.399607] ? trace_hardirqs_on+0xbd/0x310 [ 377.403933] ? kasan_check_read+0x11/0x20 [ 377.408088] ? ___ratelimit+0x3b4/0x672 [ 377.412067] ? trace_hardirqs_off_caller+0x310/0x310 [ 377.417175] ? trace_hardirqs_on+0x310/0x310 [ 377.421587] ? lock_downgrade+0x900/0x900 [ 377.425759] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 377.430870] ? ___ratelimit+0x3b9/0x672 [ 377.434851] ? idr_get_free+0xf70/0xf70 [ 377.438829] ? find_held_lock+0x36/0x1c0 [ 377.442901] oom_kill_process.cold.27+0x10/0x903 [ 377.447662] ? zap_class+0x640/0x640 [ 377.451385] ? check_preemption_disabled+0x48/0x280 [ 377.456411] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 377.461356] ? kasan_check_read+0x11/0x20 [ 377.465509] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 377.470790] ? oom_evaluate_task+0x540/0x540 [ 377.475207] ? find_held_lock+0x36/0x1c0 [ 377.479282] ? out_of_memory+0x974/0x1430 [ 377.483438] ? lock_downgrade+0x900/0x900 [ 377.487591] ? check_preemption_disabled+0x48/0x280 [ 377.492613] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 377.497543] ? kasan_check_read+0x11/0x20 [ 377.501696] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 377.507002] ? rcu_softirq_qs+0x20/0x20 [ 377.511000] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 377.516549] ? oom_evaluate_task+0x302/0x540 [ 377.520963] out_of_memory+0xa84/0x1430 [ 377.524950] ? oom_killer_disable+0x3a0/0x3a0 [ 377.529450] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 377.534394] ? __ww_mutex_check_waiters+0x160/0x160 [ 377.539430] __alloc_pages_slowpath+0x232c/0x2de0 [ 377.544306] ? warn_alloc+0x120/0x120 [ 377.548110] ? mark_held_locks+0x130/0x130 [ 377.552352] ? find_get_entry+0xaae/0x1120 [ 377.556603] ? filemap_map_pages+0x1a20/0x1a20 [ 377.561197] ? zap_class+0x640/0x640 [ 377.564919] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.570465] ? check_preemption_disabled+0x48/0x280 [ 377.575489] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 377.581039] ? should_fail+0x22d/0xd01 [ 377.584937] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 377.590048] ? zap_class+0x640/0x640 [ 377.593788] ? __lock_is_held+0xb5/0x140 [ 377.597859] ? mark_held_locks+0x130/0x130 [ 377.602102] ? lock_release+0xa00/0xa00 [ 377.606077] ? perf_trace_sched_process_exec+0x860/0x860 [ 377.611530] ? xa_load+0x2ba/0x460 [ 377.615075] ? lock_downgrade+0x900/0x900 [ 377.619252] ? __might_sleep+0x95/0x190 [ 377.623230] __alloc_pages_nodemask+0xad8/0xea0 [ 377.627910] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 377.632933] ? __page_cache_alloc+0x191/0x5c0 [ 377.637429] ? xa_load+0x2e1/0x460 [ 377.640973] ? xa_clear_mark+0x40/0x40 [ 377.644871] ? zap_class+0x640/0x640 [ 377.648625] ? zap_class+0x640/0x640 [ 377.652356] ? zap_class+0x640/0x640 [ 377.656080] ? __do_page_cache_readahead+0x663/0x810 [ 377.661191] ? find_held_lock+0x36/0x1c0 [ 377.665269] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 377.670862] alloc_pages_current+0x173/0x350 [ 377.675284] __page_cache_alloc+0x38c/0x5c0 [ 377.679610] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 377.684542] ? kasan_check_read+0x11/0x20 [ 377.688692] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 377.693978] ? generic_perform_write+0x6a0/0x6a0 [ 377.698746] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 377.704304] ? check_preemption_disabled+0x48/0x280 [ 377.709336] filemap_fault+0x1595/0x25f0 [ 377.713420] ? __lock_page_or_retry+0xa00/0xa00 [ 377.718094] ? mark_held_locks+0x130/0x130 [ 377.722340] ? filemap_map_pages+0xd6b/0x1a20 [ 377.726842] ? lock_downgrade+0x900/0x900 [ 377.730992] ? check_preemption_disabled+0x48/0x280 [ 377.736031] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 377.740966] ? kasan_check_read+0x11/0x20 [ 377.745114] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 377.750398] ? rcu_softirq_qs+0x20/0x20 [ 377.754394] ? filemap_map_pages+0xd92/0x1a20 [ 377.758904] ? find_get_entries_tag+0x1400/0x1400 [ 377.763765] ? debug_object_destroy+0x2b0/0x2b0 [ 377.768439] ? lock_pi_update_atomic+0x150/0x150 [ 377.773211] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.778780] ? lock_acquire+0x1ed/0x520 [ 377.782783] ? ext4_filemap_fault+0x7a/0xad [ 377.787113] ? lock_release+0xa00/0xa00 [ 377.791085] ? perf_trace_sched_process_exec+0x860/0x860 [ 377.796538] ? print_usage_bug+0xc0/0xc0 [ 377.800613] ? print_usage_bug+0xc0/0xc0 [ 377.804689] ? down_read+0x8d/0x120 [ 377.808317] ? ext4_filemap_fault+0x7a/0xad [ 377.812644] ? __down_interruptible+0x700/0x700 [ 377.817327] ext4_filemap_fault+0x82/0xad [ 377.821481] __do_fault+0x100/0x6b0 [ 377.825109] ? find_held_lock+0x36/0x1c0 [ 377.829174] ? pmd_devmap_trans_unstable+0x220/0x220 [ 377.834284] ? mark_held_locks+0x130/0x130 [ 377.838521] ? mark_held_locks+0x130/0x130 [ 377.842763] ? debug_smp_processor_id+0x1c/0x20 [ 377.847434] ? perf_trace_lock+0x14d/0x7a0 [ 377.851676] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 377.857222] __handle_mm_fault+0x3ea0/0x5be0 [ 377.861643] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 377.866505] ? lock_is_held_type+0x210/0x210 [ 377.870919] ? __switch_to_asm+0x34/0x70 [ 377.875021] ? __switch_to_asm+0x34/0x70 [ 377.879100] ? zap_class+0x640/0x640 [ 377.882814] ? zap_class+0x640/0x640 [ 377.886531] ? __x64_sys_futex+0x53e/0x6a0 [ 377.890773] ? find_held_lock+0x36/0x1c0 [ 377.894845] ? handle_mm_fault+0x42a/0xc70 [ 377.899087] ? lock_downgrade+0x900/0x900 [ 377.903247] ? check_preemption_disabled+0x48/0x280 [ 377.908274] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 377.913210] ? kasan_check_read+0x11/0x20 [ 377.917358] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 377.922639] ? rcu_softirq_qs+0x20/0x20 [ 377.926618] ? trace_hardirqs_off_caller+0x310/0x310 [ 377.931730] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 377.937273] ? check_preemption_disabled+0x48/0x280 [ 377.942316] handle_mm_fault+0x54f/0xc70 [ 377.946393] ? __handle_mm_fault+0x5be0/0x5be0 [ 377.950981] ? find_vma+0x34/0x190 [ 377.954535] __do_page_fault+0x5e8/0xe60 [ 377.958596] ? trace_hardirqs_off+0xb8/0x310 [ 377.963023] do_page_fault+0xf2/0x7e0 [ 377.966847] ? vmalloc_sync_all+0x30/0x30 [ 377.971018] ? error_entry+0x70/0xd0 [ 377.974737] ? trace_hardirqs_off_caller+0xbb/0x310 [ 377.979787] ? trace_hardirqs_on_caller+0xc0/0x310 [ 377.984721] ? syscall_return_slowpath+0x5e0/0x5e0 [ 377.989656] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 377.994508] ? trace_hardirqs_on_caller+0x310/0x310 [ 377.999523] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 378.004984] ? prepare_exit_to_usermode+0x291/0x3b0 [ 378.010042] ? page_fault+0x8/0x30 [ 378.013603] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 378.018478] ? page_fault+0x8/0x30 [ 378.022029] page_fault+0x1e/0x30 [ 378.025480] RIP: 0033:0x45ddf3 [ 378.028689] Code: Bad RIP value. [ 378.032050] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 378.037413] RAX: ffffffffffffff92 RBX: 0000000028898d51 RCX: 000000000045ddf3 [ 378.044681] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014f1120 [ 378.051949] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 378.059230] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 378.066533] R13: 000000c42841fe60 R14: 0000000000000001 R15: 0000000000000000 [ 378.073842] warn_alloc_show_mem: 1 callbacks suppressed [ 378.073854] CPU: 1 PID: 16798 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #167 [ 378.073856] Mem-Info: [ 378.073887] active_anon:45985 inactive_anon:296 isolated_anon:0 [ 378.073887] active_file:15 inactive_file:8 isolated_file:0 [ 378.073887] unevictable:0 dirty:0 writeback:0 unstable:0 [ 378.073887] slab_reclaimable:9236 slab_unreclaimable:1461135 [ 378.073887] mapped:40979 shmem:353 pagetables:587 bounce:0 [ 378.073887] free:13771 free_pcp:249 free_cma:0 [ 378.079248] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 378.086615] Node 0 active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1412kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 378.089023] Call Trace: [ 378.121815] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 378.131168] [ 378.158836] lowmem_reserve[]: 0 2818 6321 6321 [ 378.161430] dump_stack+0x244/0x39d [ 378.187539] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:404kB local_pcp:156kB free_cma:0kB [ 378.189707] ? dump_stack_print_info.cold.1+0x20/0x20 [ 378.194253] lowmem_reserve[]: 0 0 3503 3503 [ 378.197898] warn_alloc.cold.116+0xb7/0x1bd [ 378.225373] Node 0 Normal free:14000kB min:37364kB low:46704kB high:56044kB active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2348kB bounce:0kB free_pcp:592kB local_pcp:388kB free_cma:0kB [ 378.230561] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 378.234847] lowmem_reserve[]: 0 0 0 0 [ 378.239186] ? lock_downgrade+0x900/0x900 [ 378.268147] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 378.273011] ? trace_hardirqs_off+0xb8/0x310 [ 378.276791] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 2*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 378.280952] ? trace_hardirqs_off+0xb8/0x310 [ 378.294447] Node 0 Normal: 794*4kB (MEH) 441*8kB (UMEH) 176*16kB (UME) 69*32kB (UMEH) 18*64kB (UM) 1*128kB (U) 2*256kB (U) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14032kB [ 378.298857] __alloc_pages_slowpath+0x2651/0x2de0 [ 378.314041] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 378.318466] ? warn_alloc+0x120/0x120 [ 378.333859] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 378.338696] ? print_usage_bug+0xc0/0xc0 [ 378.347508] 376 total pagecache pages [ 378.351330] ? warn_alloc+0x120/0x120 [ 378.359906] 0 pages in swap cache [ 378.363955] ? warn_alloc+0x120/0x120 [ 378.367753] Swap cache stats: add 0, delete 0, find 0/0 [ 378.371547] ? print_usage_bug+0xc0/0xc0 [ 378.374973] Free swap = 0kB [ 378.378765] ? kvm_clock_read+0x18/0x30 [ 378.384111] Total swap = 0kB [ 378.388164] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 378.391162] 1965979 pages RAM [ 378.395135] ? print_usage_bug+0xc0/0xc0 [ 378.398133] 0 pages HighMem/MovableOnly [ 378.403174] ? __lock_acquire+0x62f/0x4c20 [ 378.406257] 342854 pages reserved [ 378.410316] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 378.414267] 0 pages cma reserved [ 378.418501] ? should_fail+0x22d/0xd01 [ 378.422018] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 378.427460] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 378.427481] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 378.430955] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 378.434737] ? __lock_acquire+0x62f/0x4c20 [ 378.441242] syz-fuzzer cpuset=/ mems_allowed=0 [ 378.446518] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 378.475723] ? __lock_acquire+0x62f/0x4c20 [ 378.479995] ? should_fail+0x22d/0xd01 [ 378.483897] ? rcu_irq_exit+0x1a2/0x390 [ 378.487893] ? mark_held_locks+0x130/0x130 [ 378.492140] ? mark_held_locks+0x130/0x130 [ 378.496385] ? mark_held_locks+0xc7/0x130 [ 378.500537] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 378.505561] ? zap_class+0x640/0x640 [ 378.509290] ? print_usage_bug+0xc0/0xc0 [ 378.513360] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.518913] ? check_preemption_disabled+0x48/0x280 [ 378.523954] ? __lock_is_held+0xb5/0x140 [ 378.528033] __alloc_pages_nodemask+0xad8/0xea0 [ 378.532712] ? zap_class+0x640/0x640 [ 378.536435] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 378.541468] ? find_held_lock+0x36/0x1c0 [ 378.545545] ? ____cache_alloc_node+0x1c7/0x1e0 [ 378.550225] ? lock_downgrade+0x900/0x900 [ 378.554384] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.559934] cache_grow_begin+0xa5/0x8c0 [ 378.564015] ? do_raw_spin_unlock+0xa7/0x330 [ 378.568441] fallback_alloc+0x204/0x2e0 [ 378.572428] ____cache_alloc_node+0x1c7/0x1e0 [ 378.576936] kmem_cache_alloc_node+0xe3/0x730 [ 378.581443] ? ipv6_get_ifaddr+0x42e/0x620 [ 378.585693] __alloc_skb+0x119/0x770 [ 378.589408] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 378.594694] ? netdev_alloc_frag+0x1f0/0x1f0 [ 378.599108] ? lock_downgrade+0x900/0x900 [ 378.603268] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.608813] ? refcount_sub_and_test_checked+0x203/0x310 [ 378.614273] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 378.619735] ? addrconf_rs_timer+0x690/0x690 [ 378.624162] ndisc_alloc_skb+0x144/0x340 [ 378.628239] ndisc_send_rs+0x331/0x6e0 [ 378.632140] addrconf_rs_timer+0x314/0x690 [ 378.636391] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 378.640639] call_timer_fn+0x272/0x920 [ 378.644533] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 378.648774] ? process_timeout+0x40/0x40 [ 378.652847] ? __run_timers+0x7da/0xc70 [ 378.656831] ? _raw_spin_unlock_irq+0x27/0x80 [ 378.661331] ? _raw_spin_unlock_irq+0x27/0x80 [ 378.665832] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 378.670076] ? lockdep_hardirqs_on+0x296/0x5b0 [ 378.674665] ? trace_hardirqs_on+0xbd/0x310 [ 378.678990] ? kasan_check_read+0x11/0x20 [ 378.683147] ? __run_timers+0x7da/0xc70 [ 378.687129] ? trace_hardirqs_off_caller+0x310/0x310 [ 378.692248] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 378.696497] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 378.700735] __run_timers+0x7e5/0xc70 [ 378.704550] ? timer_fixup_init+0x70/0x70 [ 378.708704] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 378.713723] ? zap_class+0x640/0x640 [ 378.717456] ? enqueue_hrtimer+0x1a5/0x560 [ 378.721695] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 378.726902] ? find_held_lock+0x36/0x1c0 [ 378.730974] ? zap_class+0x640/0x640 [ 378.734702] ? pvclock_read_flags+0x160/0x160 [ 378.739208] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.744752] ? check_preemption_disabled+0x48/0x280 [ 378.749783] ? __lock_is_held+0xb5/0x140 [ 378.753856] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.759403] ? check_preemption_disabled+0x48/0x280 [ 378.764437] run_timer_softirq+0x52/0xb0 [ 378.768503] ? rcu_read_lock_sched_held+0x14f/0x180 [ 378.773525] __do_softirq+0x308/0xb7e [ 378.777337] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 378.781832] ? lock_downgrade+0x900/0x900 [ 378.785990] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 378.791119] ? pvclock_read_flags+0x160/0x160 [ 378.795621] ? lapic_next_event+0x5a/0x90 [ 378.799780] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.805372] ? kvm_clock_read+0x18/0x30 [ 378.809355] ? kvm_sched_clock_read+0x9/0x20 [ 378.813772] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.819322] ? check_preemption_disabled+0x48/0x280 [ 378.824356] irq_exit+0x17f/0x1c0 [ 378.827818] smp_apic_timer_interrupt+0x1cb/0x760 [ 378.832665] ? smp_reschedule_interrupt+0x109/0x650 [ 378.837688] ? smp_call_function_single_interrupt+0x650/0x650 [ 378.843579] ? interrupt_entry+0xb5/0xc0 [ 378.847646] ? trace_hardirqs_off_caller+0xbb/0x310 [ 378.852665] ? trace_hardirqs_off_caller+0xbb/0x310 [ 378.857690] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 378.862549] ? trace_hardirqs_on_caller+0x310/0x310 [ 378.867572] ? trace_hardirqs_on_caller+0x310/0x310 [ 378.872592] ? task_prio+0x50/0x50 [ 378.876156] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.881701] ? check_preemption_disabled+0x48/0x280 [ 378.886724] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 378.891612] apic_timer_interrupt+0xf/0x20 [ 378.895846] [ 378.898093] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 378.903035] Code: 7e 0f 85 cf fe ff ff e8 66 cb 3d ff e9 c5 fe ff ff e8 0d 01 c3 ff 48 83 3d a5 49 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 42 f3 [ 378.921949] RSP: 0018:ffff888195497718 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 378.929671] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 378.936950] RDX: 0000000000000000 RSI: ffff8881d2488b40 RDI: 0000000000000282 [ 378.944238] RBP: ffff888195497780 R08: ffff8881d24882c0 R09: 0000000000000000 [ 378.951516] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 378.958794] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020 [ 378.966120] skb_clone+0x1bb/0x500 [ 378.969673] ? skb_split+0x11e0/0x11e0 [ 378.973568] ? check_preemption_disabled+0x48/0x280 [ 378.978603] ? __this_cpu_preempt_check+0x1c/0x20 [ 378.983448] ? __bpf_redirect+0x55b/0xb60 [ 378.987603] ? __switch_to_asm+0x34/0x70 [ 378.991664] ? __switch_to_asm+0x40/0x70 [ 378.995739] bpf_clone_redirect+0xb9/0x490 [ 378.999989] bpf_prog_3d1649e183dc2cc1+0xaf9/0x1000 [ 379.005043] ? __sched_text_start+0x8/0x8 [ 379.009223] ? find_held_lock+0x36/0x1c0 [ 379.013294] ? lock_acquire+0x1ed/0x520 [ 379.017291] ? bpf_test_run+0x3cb/0x780 [ 379.021299] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.026858] ? check_preemption_disabled+0x48/0x280 [ 379.031893] ? kasan_check_read+0x11/0x20 [ 379.036051] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 379.041334] ? rcu_softirq_qs+0x20/0x20 [ 379.045314] ? preempt_schedule+0x4d/0x60 [ 379.049464] ? ___preempt_schedule+0x16/0x18 [ 379.053884] ? bpf_test_run+0x25d/0x780 [ 379.057880] ? netlink_diag_dump+0x2a0/0x2a0 [ 379.062300] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 379.067850] ? bpf_test_init.isra.10+0x70/0x100 [ 379.072535] ? bpf_prog_test_run_skb+0x73b/0xd10 [ 379.077306] ? bpf_test_finish.isra.9+0x260/0x260 [ 379.082158] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 379.087702] ? fput+0x130/0x1a0 [ 379.090991] ? __bpf_prog_get+0x9b/0x290 [ 379.095071] ? bpf_test_finish.isra.9+0x260/0x260 [ 379.099922] ? bpf_prog_test_run+0x130/0x1a0 [ 379.104338] ? __x64_sys_bpf+0x3db/0x520 [ 379.108407] ? bpf_prog_get+0x20/0x20 [ 379.112237] ? do_syscall_64+0x1b9/0x820 [ 379.116301] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 379.121672] ? syscall_return_slowpath+0x5e0/0x5e0 [ 379.126606] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 379.131457] ? trace_hardirqs_on_caller+0x310/0x310 [ 379.136481] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 379.141507] ? prepare_exit_to_usermode+0x291/0x3b0 [ 379.146539] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 379.151400] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 379.156788] CPU: 0 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #167 [ 379.156865] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 379.163805] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 379.163810] Call Trace: [ 379.163817] [ 379.163837] dump_stack+0x244/0x39d [ 379.163855] ? dump_stack_print_info.cold.1+0x20/0x20 [ 379.163880] warn_alloc.cold.116+0xb7/0x1bd [ 379.170470] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 379.180233] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 379.182795] syz-executor0 cpuset=syz0 mems_allowed=0 [ 379.184941] ? lock_downgrade+0x900/0x900 [ 379.222580] ? trace_hardirqs_off+0xb8/0x310 [ 379.227000] ? trace_hardirqs_off+0xb8/0x310 [ 379.231432] __alloc_pages_slowpath+0x2651/0x2de0 [ 379.236308] ? warn_alloc+0x120/0x120 [ 379.240121] ? print_usage_bug+0xc0/0xc0 [ 379.244191] ? warn_alloc+0x120/0x120 [ 379.248002] ? warn_alloc+0x120/0x120 [ 379.251820] ? print_usage_bug+0xc0/0xc0 [ 379.255886] ? kvm_clock_read+0x18/0x30 [ 379.259868] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 379.264890] ? print_usage_bug+0xc0/0xc0 [ 379.268955] ? __lock_acquire+0x62f/0x4c20 [ 379.273202] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 379.278750] ? should_fail+0x22d/0xd01 [ 379.282671] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 379.287966] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 379.293091] ? __lock_acquire+0x62f/0x4c20 [ 379.297331] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 379.302439] ? __lock_acquire+0x62f/0x4c20 [ 379.306677] ? should_fail+0x22d/0xd01 [ 379.310583] ? rcu_irq_exit+0x1a2/0x390 [ 379.314569] ? mark_held_locks+0x130/0x130 [ 379.318816] ? mark_held_locks+0x130/0x130 [ 379.323057] ? mark_held_locks+0xc7/0x130 [ 379.327206] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 379.332228] ? zap_class+0x640/0x640 [ 379.336014] ? print_usage_bug+0xc0/0xc0 [ 379.340117] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.345675] ? check_preemption_disabled+0x48/0x280 [ 379.350708] ? __lock_is_held+0xb5/0x140 [ 379.354782] __alloc_pages_nodemask+0xad8/0xea0 [ 379.359457] ? zap_class+0x640/0x640 [ 379.363181] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 379.368214] ? find_held_lock+0x36/0x1c0 [ 379.372288] ? ____cache_alloc_node+0x1c7/0x1e0 [ 379.376962] ? lock_downgrade+0x900/0x900 [ 379.381124] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.386668] cache_grow_begin+0xa5/0x8c0 [ 379.390736] ? do_raw_spin_unlock+0xa7/0x330 [ 379.395158] fallback_alloc+0x204/0x2e0 [ 379.399139] ____cache_alloc_node+0x1c7/0x1e0 [ 379.403641] kmem_cache_alloc_node+0xe3/0x730 [ 379.408140] ? ipv6_get_ifaddr+0x42e/0x620 [ 379.412391] __alloc_skb+0x119/0x770 [ 379.416107] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 379.421413] ? netdev_alloc_frag+0x1f0/0x1f0 [ 379.425832] ? lock_downgrade+0x900/0x900 [ 379.429991] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.435538] ? refcount_sub_and_test_checked+0x203/0x310 [ 379.441031] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 379.446486] ? addrconf_rs_timer+0x690/0x690 [ 379.450908] ndisc_alloc_skb+0x144/0x340 [ 379.454977] ndisc_send_rs+0x331/0x6e0 [ 379.458881] addrconf_rs_timer+0x314/0x690 [ 379.463132] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 379.467385] call_timer_fn+0x272/0x920 [ 379.471279] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 379.475516] ? process_timeout+0x40/0x40 [ 379.479593] ? mark_held_locks+0xc7/0x130 [ 379.483762] ? _raw_spin_unlock_irq+0x27/0x80 [ 379.488286] ? _raw_spin_unlock_irq+0x27/0x80 [ 379.492781] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 379.497083] ? lockdep_hardirqs_on+0x296/0x5b0 [ 379.501669] ? trace_hardirqs_on+0xbd/0x310 [ 379.506016] ? kasan_check_read+0x11/0x20 [ 379.510165] ? __run_timers+0x7da/0xc70 [ 379.514166] ? trace_hardirqs_off_caller+0x310/0x310 [ 379.519276] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 379.523518] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 379.527751] __run_timers+0x7e5/0xc70 [ 379.531567] ? timer_fixup_init+0x70/0x70 [ 379.535724] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 379.540742] ? zap_class+0x640/0x640 [ 379.544462] ? print_usage_bug+0xc0/0xc0 [ 379.548528] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 379.553727] ? find_held_lock+0x36/0x1c0 [ 379.557808] ? zap_class+0x640/0x640 [ 379.561558] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.567099] ? check_preemption_disabled+0x48/0x280 [ 379.572161] ? __lock_is_held+0xb5/0x140 [ 379.576226] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.581781] ? check_preemption_disabled+0x48/0x280 [ 379.586831] run_timer_softirq+0x52/0xb0 [ 379.590926] ? rcu_read_lock_sched_held+0x14f/0x180 [ 379.595945] __do_softirq+0x308/0xb7e [ 379.599750] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 379.604263] ? lock_downgrade+0x900/0x900 [ 379.608421] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 379.613533] ? pvclock_read_flags+0x160/0x160 [ 379.618051] ? lapic_next_event+0x5a/0x90 [ 379.622209] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.627773] ? kvm_clock_read+0x18/0x30 [ 379.631796] ? kvm_sched_clock_read+0x9/0x20 [ 379.636226] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 379.641769] ? check_preemption_disabled+0x48/0x280 [ 379.646793] irq_exit+0x17f/0x1c0 [ 379.650261] smp_apic_timer_interrupt+0x1cb/0x760 [ 379.655103] ? smp_reschedule_interrupt+0x109/0x650 [ 379.660121] ? smp_call_function_single_interrupt+0x650/0x650 [ 379.666017] ? interrupt_entry+0xb5/0xc0 [ 379.670097] ? trace_hardirqs_off_caller+0xbb/0x310 [ 379.675116] ? trace_hardirqs_off_caller+0xbb/0x310 [ 379.680135] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 379.684978] ? trace_hardirqs_on_caller+0x310/0x310 [ 379.690001] ? trace_hardirqs_on_caller+0x310/0x310 [ 379.695047] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 379.699904] apic_timer_interrupt+0xf/0x20 [ 379.704137] [ 379.706385] RIP: 0010:dump_stack+0x358/0x39d [ 379.710794] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 f1 36 ed f9 48 83 3d f9 27 7c 01 00 0f 84 63 fe ff ff e8 6e b7 a9 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b b7 a9 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 379.729707] RSP: 0000:ffff8881bb40e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 379.737434] RAX: ffff8881c2208180 RBX: 1ffffffff12a3f6e RCX: 1ffff1103844114e [ 379.744703] RDX: 0000000000000000 RSI: ffffffff87d5d382 RDI: 0000000000000293 [ 379.751976] RBP: ffff8881bb40e290 R08: ffff8881c2208a70 R09: 0000000000000006 [ 379.759257] R10: 0000000000000000 R11: ffff8881c2208180 R12: 1ffff11037681c45 [ 379.766533] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 379.773829] ? dump_stack+0x34f/0x39d [ 379.777659] ? dump_stack_print_info.cold.1+0x20/0x20 [ 379.782851] ? mark_held_locks+0x130/0x130 [ 379.787102] ? mark_held_locks+0x130/0x130 [ 379.791347] dump_header+0x27b/0xf72 [ 379.795082] ? pagefault_out_of_memory+0x197/0x197 [ 379.800029] ? __lock_acquire+0x62f/0x4c20 [ 379.804265] ? percpu_ref_get_many+0x240/0x240 [ 379.808849] ? print_usage_bug+0xc0/0xc0 [ 379.812928] ? zap_class+0x640/0x640 [ 379.816668] ? print_usage_bug+0xc0/0xc0 [ 379.820732] ? print_usage_bug+0xc0/0xc0 [ 379.824795] ? zap_class+0x640/0x640 [ 379.828514] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.834062] ? find_held_lock+0x36/0x1c0 [ 379.838139] ? mark_held_locks+0xc7/0x130 [ 379.842294] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 379.847402] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 379.852510] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 379.857099] ? trace_hardirqs_on+0xbd/0x310 [ 379.861445] ? kasan_check_read+0x11/0x20 [ 379.865592] ? ___ratelimit+0x3b4/0x672 [ 379.869603] ? trace_hardirqs_off_caller+0x310/0x310 [ 379.874724] ? trace_hardirqs_on+0x310/0x310 [ 379.879165] ? lock_downgrade+0x900/0x900 [ 379.883325] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 379.888442] ? ___ratelimit+0x3b9/0x672 [ 379.892419] ? idr_get_free+0xf70/0xf70 [ 379.896398] ? find_held_lock+0x36/0x1c0 [ 379.900486] oom_kill_process.cold.27+0x10/0x903 [ 379.905262] ? zap_class+0x640/0x640 [ 379.908993] ? check_preemption_disabled+0x48/0x280 [ 379.914057] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 379.918991] ? kasan_check_read+0x11/0x20 [ 379.923195] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 379.928489] ? oom_evaluate_task+0x540/0x540 [ 379.932916] ? find_held_lock+0x36/0x1c0 [ 379.936985] ? out_of_memory+0x974/0x1430 [ 379.941144] ? lock_downgrade+0x900/0x900 [ 379.945299] ? check_preemption_disabled+0x48/0x280 [ 379.950322] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 379.955253] ? kasan_check_read+0x11/0x20 [ 379.959407] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 379.964684] ? rcu_softirq_qs+0x20/0x20 [ 379.968664] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 379.974209] ? oom_evaluate_task+0x302/0x540 [ 379.978620] out_of_memory+0xa84/0x1430 [ 379.982636] ? oom_killer_disable+0x3a0/0x3a0 [ 379.987138] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 379.992096] ? __ww_mutex_check_waiters+0x160/0x160 [ 379.997154] __alloc_pages_slowpath+0x232c/0x2de0 [ 380.002068] ? warn_alloc+0x120/0x120 [ 380.005870] ? mark_held_locks+0x130/0x130 [ 380.010116] ? find_get_entry+0xaae/0x1120 [ 380.014387] ? filemap_map_pages+0x1a20/0x1a20 [ 380.018978] ? zap_class+0x640/0x640 [ 380.022731] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.028302] ? check_preemption_disabled+0x48/0x280 [ 380.033326] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 380.038862] ? should_fail+0x22d/0xd01 [ 380.042758] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 380.047869] ? zap_class+0x640/0x640 [ 380.051610] ? __lock_is_held+0xb5/0x140 [ 380.055681] ? mark_held_locks+0x130/0x130 [ 380.059924] ? lock_release+0xa00/0xa00 [ 380.063931] ? perf_trace_sched_process_exec+0x860/0x860 [ 380.069384] ? xa_load+0x2ba/0x460 [ 380.072931] ? lock_downgrade+0x900/0x900 [ 380.077085] ? __might_sleep+0x95/0x190 [ 380.081066] __alloc_pages_nodemask+0xad8/0xea0 [ 380.085787] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 380.090806] ? __page_cache_alloc+0x191/0x5c0 [ 380.095303] ? xa_load+0x2e1/0x460 [ 380.098846] ? xa_clear_mark+0x40/0x40 [ 380.102743] ? zap_class+0x640/0x640 [ 380.106464] ? zap_class+0x640/0x640 [ 380.110178] ? zap_class+0x640/0x640 [ 380.113895] ? __do_page_cache_readahead+0x663/0x810 [ 380.119029] ? find_held_lock+0x36/0x1c0 [ 380.123098] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 380.128649] alloc_pages_current+0x173/0x350 [ 380.133070] __page_cache_alloc+0x38c/0x5c0 [ 380.137394] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 380.142334] ? kasan_check_read+0x11/0x20 [ 380.146488] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 380.151773] ? generic_perform_write+0x6a0/0x6a0 [ 380.156542] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 380.162085] ? check_preemption_disabled+0x48/0x280 [ 380.167116] filemap_fault+0x1595/0x25f0 [ 380.171192] ? __lock_page_or_retry+0xa00/0xa00 [ 380.175884] ? mark_held_locks+0x130/0x130 [ 380.180134] ? filemap_map_pages+0xd6b/0x1a20 [ 380.184648] ? lock_downgrade+0x900/0x900 [ 380.188797] ? check_preemption_disabled+0x48/0x280 [ 380.193837] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 380.198767] ? kasan_check_read+0x11/0x20 [ 380.202918] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 380.208197] ? rcu_softirq_qs+0x20/0x20 [ 380.212188] ? filemap_map_pages+0xd92/0x1a20 [ 380.216699] ? find_get_entries_tag+0x1400/0x1400 [ 380.221548] ? debug_object_destroy+0x2b0/0x2b0 [ 380.226237] ? lock_pi_update_atomic+0x150/0x150 [ 380.231031] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.236603] ? lock_acquire+0x1ed/0x520 [ 380.240577] ? ext4_filemap_fault+0x7a/0xad [ 380.244907] ? lock_release+0xa00/0xa00 [ 380.248885] ? perf_trace_sched_process_exec+0x860/0x860 [ 380.254343] ? print_usage_bug+0xc0/0xc0 [ 380.258417] ? print_usage_bug+0xc0/0xc0 [ 380.262492] ? down_read+0x8d/0x120 [ 380.266119] ? ext4_filemap_fault+0x7a/0xad [ 380.270448] ? __down_interruptible+0x700/0x700 [ 380.275134] ext4_filemap_fault+0x82/0xad [ 380.279291] __do_fault+0x100/0x6b0 [ 380.282920] ? find_held_lock+0x36/0x1c0 [ 380.286985] ? pmd_devmap_trans_unstable+0x220/0x220 [ 380.292131] ? mark_held_locks+0x130/0x130 [ 380.296385] ? mark_held_locks+0x130/0x130 [ 380.300628] ? debug_smp_processor_id+0x1c/0x20 [ 380.305302] ? perf_trace_lock+0x14d/0x7a0 [ 380.309547] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 380.315234] __handle_mm_fault+0x3ea0/0x5be0 [ 380.319656] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 380.324502] ? lock_is_held_type+0x210/0x210 [ 380.328923] ? __switch_to_asm+0x34/0x70 [ 380.332983] ? __switch_to_asm+0x34/0x70 [ 380.337070] ? zap_class+0x640/0x640 [ 380.340785] ? zap_class+0x640/0x640 [ 380.344500] ? __x64_sys_futex+0x53e/0x6a0 [ 380.348746] ? find_held_lock+0x36/0x1c0 [ 380.352820] ? handle_mm_fault+0x42a/0xc70 [ 380.357059] ? lock_downgrade+0x900/0x900 [ 380.361211] ? check_preemption_disabled+0x48/0x280 [ 380.366238] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 380.371173] ? kasan_check_read+0x11/0x20 [ 380.375327] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 380.380609] ? rcu_softirq_qs+0x20/0x20 [ 380.384584] ? trace_hardirqs_off_caller+0x310/0x310 [ 380.389697] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 380.395246] ? check_preemption_disabled+0x48/0x280 [ 380.400275] handle_mm_fault+0x54f/0xc70 [ 380.404343] ? __handle_mm_fault+0x5be0/0x5be0 [ 380.408939] ? find_vma+0x34/0x190 [ 380.412486] __do_page_fault+0x5e8/0xe60 [ 380.416550] ? trace_hardirqs_off+0xb8/0x310 [ 380.420971] do_page_fault+0xf2/0x7e0 [ 380.424773] ? vmalloc_sync_all+0x30/0x30 [ 380.428927] ? error_entry+0x70/0xd0 [ 380.432646] ? trace_hardirqs_off_caller+0xbb/0x310 [ 380.437663] ? trace_hardirqs_on_caller+0xc0/0x310 [ 380.442596] ? syscall_return_slowpath+0x5e0/0x5e0 [ 380.447528] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 380.452383] ? trace_hardirqs_on_caller+0x310/0x310 [ 380.457401] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 380.462858] ? prepare_exit_to_usermode+0x291/0x3b0 [ 380.467877] ? page_fault+0x8/0x30 [ 380.471427] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 380.476307] ? page_fault+0x8/0x30 [ 380.479851] page_fault+0x1e/0x30 [ 380.483302] RIP: 0033:0x45ddf3 [ 380.486505] Code: Bad RIP value. [ 380.489865] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 380.495227] RAX: ffffffffffffff92 RBX: 0000000028898d51 RCX: 000000000045ddf3 [ 380.502500] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014f1120 [ 380.509772] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 380.517045] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 380.524337] R13: 000000c42841fe60 R14: 0000000000000001 R15: 0000000000000000 [ 380.531636] warn_alloc_show_mem: 1 callbacks suppressed [ 380.531648] CPU: 1 PID: 16798 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #167 [ 380.531650] Mem-Info: [ 380.531682] active_anon:45985 inactive_anon:296 isolated_anon:0 [ 380.531682] active_file:15 inactive_file:8 isolated_file:0 [ 380.531682] unevictable:0 dirty:0 writeback:0 unstable:0 [ 380.531682] slab_reclaimable:9236 slab_unreclaimable:1461135 [ 380.531682] mapped:40979 shmem:353 pagetables:587 bounce:0 [ 380.531682] free:13771 free_pcp:249 free_cma:0 [ 380.537031] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 380.544400] Node 0 active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1412kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 380.546802] Call Trace: [ 380.579611] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 380.588971] [ 380.616659] lowmem_reserve[]: 0 2818 6321 6321 [ 380.619265] dump_stack+0x244/0x39d [ 380.645354] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:404kB local_pcp:156kB free_cma:0kB [ 380.647518] ? dump_stack_print_info.cold.1+0x20/0x20 [ 380.652059] lowmem_reserve[]: 0 0 3503 3503 [ 380.655709] warn_alloc.cold.116+0xb7/0x1bd [ 380.683183] Node 0 Normal free:14000kB min:37364kB low:46704kB high:56044kB active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2348kB bounce:0kB free_pcp:592kB local_pcp:388kB free_cma:0kB [ 380.688378] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 380.692678] lowmem_reserve[]: 0 0 0 0 [ 380.697004] ? lock_downgrade+0x900/0x900 [ 380.725965] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 380.730849] ? trace_hardirqs_off+0xb8/0x310 [ 380.734618] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 2*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 380.738779] ? trace_hardirqs_off+0xb8/0x310 [ 380.752282] Node 0 Normal: 794*4kB (MEH) 441*8kB (UMEH) 176*16kB (UME) 69*32kB (UMEH) 18*64kB (UM) 1*128kB (U) 2*256kB (U) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14032kB [ 380.756706] __alloc_pages_slowpath+0x2651/0x2de0 [ 380.771775] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 380.776207] ? warn_alloc+0x120/0x120 [ 380.791608] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 380.796453] ? print_usage_bug+0xc0/0xc0 [ 380.805265] 376 total pagecache pages [ 380.809065] ? warn_alloc+0x120/0x120 [ 380.817618] 0 pages in swap cache [ 380.821679] ? warn_alloc+0x120/0x120 [ 380.825446] Swap cache stats: add 0, delete 0, find 0/0 [ 380.825455] Free swap = 0kB [ 380.829252] ? print_usage_bug+0xc0/0xc0 [ 380.832677] Total swap = 0kB [ 380.836472] ? kvm_clock_read+0x18/0x30 [ 380.841807] 1965979 pages RAM [ 380.844824] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 380.848847] 0 pages HighMem/MovableOnly [ 380.848856] 342854 pages reserved [ 380.851885] ? print_usage_bug+0xc0/0xc0 [ 380.855822] 0 pages cma reserved [ 380.858923] ? __lock_acquire+0x62f/0x4c20 [ 380.863969] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 380.867926] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 380.867943] ? should_fail+0x22d/0xd01 [ 380.871477] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 380.875451] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 380.878791] syz-fuzzer cpuset=/ mems_allowed=0 [ 380.883045] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 380.924194] ? __lock_acquire+0x62f/0x4c20 [ 380.928459] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 380.933567] ? __lock_acquire+0x62f/0x4c20 [ 380.937822] ? should_fail+0x22d/0xd01 [ 380.941708] ? rcu_irq_exit+0x1a2/0x390 [ 380.945696] ? mark_held_locks+0x130/0x130 [ 380.949939] ? mark_held_locks+0x130/0x130 [ 380.954200] ? mark_held_locks+0xc7/0x130 [ 380.958356] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 380.963382] ? zap_class+0x640/0x640 [ 380.967104] ? print_usage_bug+0xc0/0xc0 [ 380.971180] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.976723] ? check_preemption_disabled+0x48/0x280 [ 380.981777] ? __lock_is_held+0xb5/0x140 [ 380.985879] __alloc_pages_nodemask+0xad8/0xea0 [ 380.990553] ? zap_class+0x640/0x640 [ 380.994289] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 380.999324] ? find_held_lock+0x36/0x1c0 [ 381.003419] ? ____cache_alloc_node+0x1c7/0x1e0 [ 381.008107] ? lock_downgrade+0x900/0x900 [ 381.012270] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.017818] cache_grow_begin+0xa5/0x8c0 [ 381.021889] ? do_raw_spin_unlock+0xa7/0x330 [ 381.026310] fallback_alloc+0x204/0x2e0 [ 381.030294] ____cache_alloc_node+0x1c7/0x1e0 [ 381.034815] kmem_cache_alloc_node+0xe3/0x730 [ 381.039318] ? ipv6_get_ifaddr+0x42e/0x620 [ 381.043571] __alloc_skb+0x119/0x770 [ 381.047304] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 381.052604] ? netdev_alloc_frag+0x1f0/0x1f0 [ 381.057023] ? lock_downgrade+0x900/0x900 [ 381.061213] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.066756] ? refcount_sub_and_test_checked+0x203/0x310 [ 381.072227] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 381.077686] ? addrconf_rs_timer+0x690/0x690 [ 381.082108] ndisc_alloc_skb+0x144/0x340 [ 381.086178] ndisc_send_rs+0x331/0x6e0 [ 381.090082] addrconf_rs_timer+0x314/0x690 [ 381.094328] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.098575] call_timer_fn+0x272/0x920 [ 381.102469] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.106711] ? process_timeout+0x40/0x40 [ 381.110785] ? __run_timers+0x7da/0xc70 [ 381.114766] ? _raw_spin_unlock_irq+0x27/0x80 [ 381.119264] ? _raw_spin_unlock_irq+0x27/0x80 [ 381.123762] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.128003] ? lockdep_hardirqs_on+0x296/0x5b0 [ 381.132603] ? trace_hardirqs_on+0xbd/0x310 [ 381.136930] ? kasan_check_read+0x11/0x20 [ 381.141080] ? __run_timers+0x7da/0xc70 [ 381.145070] ? trace_hardirqs_off_caller+0x310/0x310 [ 381.150185] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.154430] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.158667] __run_timers+0x7e5/0xc70 [ 381.162482] ? timer_fixup_init+0x70/0x70 [ 381.166638] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 381.171663] ? zap_class+0x640/0x640 [ 381.175403] ? enqueue_hrtimer+0x1a5/0x560 [ 381.179857] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 381.185080] ? find_held_lock+0x36/0x1c0 [ 381.189148] ? zap_class+0x640/0x640 [ 381.192877] ? pvclock_read_flags+0x160/0x160 [ 381.197378] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.202936] ? check_preemption_disabled+0x48/0x280 [ 381.207964] ? __lock_is_held+0xb5/0x140 [ 381.212045] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.217602] ? check_preemption_disabled+0x48/0x280 [ 381.222627] run_timer_softirq+0x52/0xb0 [ 381.226697] ? rcu_read_lock_sched_held+0x14f/0x180 [ 381.231719] __do_softirq+0x308/0xb7e [ 381.235528] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 381.240034] ? lock_downgrade+0x900/0x900 [ 381.244193] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 381.249313] ? pvclock_read_flags+0x160/0x160 [ 381.253816] ? lapic_next_event+0x5a/0x90 [ 381.258002] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.263563] ? kvm_clock_read+0x18/0x30 [ 381.267541] ? kvm_sched_clock_read+0x9/0x20 [ 381.271955] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.277501] ? check_preemption_disabled+0x48/0x280 [ 381.282533] irq_exit+0x17f/0x1c0 [ 381.285991] smp_apic_timer_interrupt+0x1cb/0x760 [ 381.290836] ? smp_reschedule_interrupt+0x109/0x650 [ 381.295851] ? smp_call_function_single_interrupt+0x650/0x650 [ 381.301754] ? interrupt_entry+0xb5/0xc0 [ 381.305821] ? trace_hardirqs_off_caller+0xbb/0x310 [ 381.310866] ? trace_hardirqs_off_caller+0xbb/0x310 [ 381.315905] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 381.320765] ? trace_hardirqs_on_caller+0x310/0x310 [ 381.325808] ? trace_hardirqs_on_caller+0x310/0x310 [ 381.330823] ? task_prio+0x50/0x50 [ 381.334368] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.339906] ? check_preemption_disabled+0x48/0x280 [ 381.344961] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 381.349815] apic_timer_interrupt+0xf/0x20 [ 381.354048] [ 381.356291] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 381.361226] Code: 7e 0f 85 cf fe ff ff e8 66 cb 3d ff e9 c5 fe ff ff e8 0d 01 c3 ff 48 83 3d a5 49 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 42 f3 [ 381.380139] RSP: 0018:ffff888195497718 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 381.387861] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 381.395149] RDX: 0000000000000000 RSI: ffff8881d2488b40 RDI: 0000000000000282 [ 381.402431] RBP: ffff888195497780 R08: ffff8881d24882c0 R09: 0000000000000000 [ 381.409714] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 381.416999] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020 [ 381.424336] skb_clone+0x1bb/0x500 [ 381.427894] ? skb_split+0x11e0/0x11e0 [ 381.431791] ? check_preemption_disabled+0x48/0x280 [ 381.436823] ? __this_cpu_preempt_check+0x1c/0x20 [ 381.441674] ? __bpf_redirect+0x55b/0xb60 [ 381.445833] ? __switch_to_asm+0x34/0x70 [ 381.449900] ? __switch_to_asm+0x40/0x70 [ 381.453977] bpf_clone_redirect+0xb9/0x490 [ 381.458235] bpf_prog_3d1649e183dc2cc1+0xaf9/0x1000 [ 381.463269] ? __sched_text_start+0x8/0x8 [ 381.467436] ? find_held_lock+0x36/0x1c0 [ 381.471515] ? lock_acquire+0x1ed/0x520 [ 381.475496] ? bpf_test_run+0x3cb/0x780 [ 381.479479] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.485034] ? check_preemption_disabled+0x48/0x280 [ 381.490069] ? kasan_check_read+0x11/0x20 [ 381.494225] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 381.499513] ? rcu_softirq_qs+0x20/0x20 [ 381.503502] ? preempt_schedule+0x4d/0x60 [ 381.507655] ? ___preempt_schedule+0x16/0x18 [ 381.512108] ? bpf_test_run+0x25d/0x780 [ 381.516099] ? netlink_diag_dump+0x2a0/0x2a0 [ 381.520528] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 381.526073] ? bpf_test_init.isra.10+0x70/0x100 [ 381.530753] ? bpf_prog_test_run_skb+0x73b/0xd10 [ 381.535538] ? bpf_test_finish.isra.9+0x260/0x260 [ 381.540392] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 381.545938] ? fput+0x130/0x1a0 [ 381.549229] ? __bpf_prog_get+0x9b/0x290 [ 381.553302] ? bpf_test_finish.isra.9+0x260/0x260 [ 381.558156] ? bpf_prog_test_run+0x130/0x1a0 [ 381.562572] ? __x64_sys_bpf+0x3db/0x520 [ 381.566672] ? bpf_prog_get+0x20/0x20 [ 381.570498] ? do_syscall_64+0x1b9/0x820 [ 381.574569] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 381.579946] ? syscall_return_slowpath+0x5e0/0x5e0 [ 381.584884] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 381.589739] ? trace_hardirqs_on_caller+0x310/0x310 [ 381.594768] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 381.599796] ? prepare_exit_to_usermode+0x291/0x3b0 [ 381.604823] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 381.609684] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 381.615073] CPU: 0 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #167 [ 381.615156] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 381.622108] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 381.622114] Call Trace: [ 381.622120] [ 381.622142] dump_stack+0x244/0x39d [ 381.622159] ? dump_stack_print_info.cold.1+0x20/0x20 [ 381.622185] warn_alloc.cold.116+0xb7/0x1bd [ 381.628774] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 381.638038] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 381.640600] syz-executor0 cpuset=syz0 mems_allowed=0 [ 381.642746] ? lock_downgrade+0x900/0x900 [ 381.680391] ? trace_hardirqs_off+0xb8/0x310 [ 381.684810] ? trace_hardirqs_off+0xb8/0x310 [ 381.689229] __alloc_pages_slowpath+0x2651/0x2de0 [ 381.694110] ? warn_alloc+0x120/0x120 [ 381.697916] ? print_usage_bug+0xc0/0xc0 [ 381.701984] ? warn_alloc+0x120/0x120 [ 381.705799] ? warn_alloc+0x120/0x120 [ 381.709605] ? print_usage_bug+0xc0/0xc0 [ 381.713672] ? print_usage_bug+0xc0/0xc0 [ 381.717738] ? __lock_acquire+0x62f/0x4c20 [ 381.721973] ? __lock_acquire+0x62f/0x4c20 [ 381.726217] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 381.731757] ? should_fail+0x22d/0xd01 [ 381.735652] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 381.740760] ? __lock_acquire+0x62f/0x4c20 [ 381.745031] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 381.750136] ? __lock_acquire+0x62f/0x4c20 [ 381.754378] ? should_fail+0x22d/0xd01 [ 381.758283] ? mark_held_locks+0x130/0x130 [ 381.762523] ? mark_held_locks+0x130/0x130 [ 381.766759] ? zap_class+0x640/0x640 [ 381.770513] ? zap_class+0x640/0x640 [ 381.774229] ? print_usage_bug+0xc0/0xc0 [ 381.778299] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.783876] ? check_preemption_disabled+0x48/0x280 [ 381.788909] ? __lock_is_held+0xb5/0x140 [ 381.792981] __alloc_pages_nodemask+0xad8/0xea0 [ 381.797720] ? zap_class+0x640/0x640 [ 381.801446] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 381.806480] ? find_held_lock+0x36/0x1c0 [ 381.810563] ? ____cache_alloc_node+0x1c7/0x1e0 [ 381.815239] ? lock_downgrade+0x900/0x900 [ 381.819430] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.824983] cache_grow_begin+0xa5/0x8c0 [ 381.829056] ? do_raw_spin_unlock+0xa7/0x330 [ 381.833491] fallback_alloc+0x204/0x2e0 [ 381.837489] ____cache_alloc_node+0x1c7/0x1e0 [ 381.842002] kmem_cache_alloc_node+0xe3/0x730 [ 381.846520] ? ipv6_get_ifaddr+0x42e/0x620 [ 381.850771] __alloc_skb+0x119/0x770 [ 381.854486] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 381.859772] ? netdev_alloc_frag+0x1f0/0x1f0 [ 381.864183] ? lock_downgrade+0x900/0x900 [ 381.868343] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.873889] ? refcount_sub_and_test_checked+0x203/0x310 [ 381.879353] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 381.884816] ? addrconf_rs_timer+0x690/0x690 [ 381.889241] ndisc_alloc_skb+0x144/0x340 [ 381.893313] ndisc_send_rs+0x331/0x6e0 [ 381.897213] addrconf_rs_timer+0x314/0x690 [ 381.901470] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.905745] call_timer_fn+0x272/0x920 [ 381.909635] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.913875] ? process_timeout+0x40/0x40 [ 381.917949] ? mark_held_locks+0xc7/0x130 [ 381.922106] ? _raw_spin_unlock_irq+0x27/0x80 [ 381.926605] ? _raw_spin_unlock_irq+0x27/0x80 [ 381.931103] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.935346] ? lockdep_hardirqs_on+0x296/0x5b0 [ 381.939937] ? trace_hardirqs_on+0xbd/0x310 [ 381.944262] ? kasan_check_read+0x11/0x20 [ 381.948411] ? __run_timers+0x7da/0xc70 [ 381.952411] ? trace_hardirqs_off_caller+0x310/0x310 [ 381.957557] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.961840] __run_timers+0x7e5/0xc70 [ 381.965665] ? timer_fixup_init+0x70/0x70 [ 381.969817] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 381.974838] ? zap_class+0x640/0x640 [ 381.978557] ? print_usage_bug+0xc0/0xc0 [ 381.982621] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 381.987821] ? find_held_lock+0x36/0x1c0 [ 381.991889] ? zap_class+0x640/0x640 [ 381.995613] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.001155] ? check_preemption_disabled+0x48/0x280 [ 382.006183] ? __lock_is_held+0xb5/0x140 [ 382.010248] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.015821] ? check_preemption_disabled+0x48/0x280 [ 382.020843] run_timer_softirq+0x52/0xb0 [ 382.024912] ? rcu_read_lock_sched_held+0x14f/0x180 [ 382.029951] __do_softirq+0x308/0xb7e [ 382.033774] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 382.038289] ? lock_downgrade+0x900/0x900 [ 382.042448] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 382.047560] ? pvclock_read_flags+0x160/0x160 [ 382.052061] ? lapic_next_event+0x5a/0x90 [ 382.056216] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.061779] ? kvm_clock_read+0x18/0x30 [ 382.065753] ? kvm_sched_clock_read+0x9/0x20 [ 382.070165] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 382.075722] ? check_preemption_disabled+0x48/0x280 [ 382.080751] irq_exit+0x17f/0x1c0 [ 382.084209] smp_apic_timer_interrupt+0x1cb/0x760 [ 382.089071] ? smp_reschedule_interrupt+0x109/0x650 [ 382.094092] ? smp_call_function_single_interrupt+0x650/0x650 [ 382.100020] ? interrupt_entry+0xb5/0xc0 [ 382.104102] ? trace_hardirqs_off_caller+0xbb/0x310 [ 382.109124] ? trace_hardirqs_off_caller+0xbb/0x310 [ 382.114145] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 382.118990] ? trace_hardirqs_on_caller+0x310/0x310 [ 382.124040] ? trace_hardirqs_on_caller+0x310/0x310 [ 382.129090] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 382.133947] apic_timer_interrupt+0xf/0x20 [ 382.138181] [ 382.140424] RIP: 0010:dump_stack+0x358/0x39d [ 382.144836] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 f1 36 ed f9 48 83 3d f9 27 7c 01 00 0f 84 63 fe ff ff e8 6e b7 a9 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b b7 a9 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 382.163762] RSP: 0000:ffff8881bb40e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 382.171475] RAX: ffff8881c2208180 RBX: 1ffffffff12a3f6e RCX: 1ffff1103844114e [ 382.178756] RDX: 0000000000000000 RSI: ffffffff87d5d382 RDI: 0000000000000293 [ 382.186043] RBP: ffff8881bb40e290 R08: ffff8881c2208a70 R09: 0000000000000006 [ 382.193315] R10: 0000000000000000 R11: ffff8881c2208180 R12: 1ffff11037681c45 [ 382.200583] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 382.207896] ? dump_stack+0x34f/0x39d [ 382.211727] ? dump_stack_print_info.cold.1+0x20/0x20 [ 382.216947] ? mark_held_locks+0x130/0x130 [ 382.221180] ? mark_held_locks+0x130/0x130 [ 382.225424] dump_header+0x27b/0xf72 [ 382.229152] ? pagefault_out_of_memory+0x197/0x197 [ 382.234094] ? __lock_acquire+0x62f/0x4c20 [ 382.238334] ? percpu_ref_get_many+0x240/0x240 [ 382.242968] ? print_usage_bug+0xc0/0xc0 [ 382.247044] ? zap_class+0x640/0x640 [ 382.250765] ? print_usage_bug+0xc0/0xc0 [ 382.254824] ? print_usage_bug+0xc0/0xc0 [ 382.258891] ? zap_class+0x640/0x640 [ 382.262630] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.268196] ? find_held_lock+0x36/0x1c0 [ 382.272271] ? mark_held_locks+0xc7/0x130 [ 382.276428] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 382.281528] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 382.286627] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 382.291212] ? trace_hardirqs_on+0xbd/0x310 [ 382.295536] ? kasan_check_read+0x11/0x20 [ 382.299688] ? ___ratelimit+0x3b4/0x672 [ 382.303668] ? trace_hardirqs_off_caller+0x310/0x310 [ 382.308779] ? trace_hardirqs_on+0x310/0x310 [ 382.313336] ? lock_downgrade+0x900/0x900 [ 382.317497] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 382.322603] ? ___ratelimit+0x3b9/0x672 [ 382.326580] ? idr_get_free+0xf70/0xf70 [ 382.330557] ? find_held_lock+0x36/0x1c0 [ 382.334666] oom_kill_process.cold.27+0x10/0x903 [ 382.339434] ? zap_class+0x640/0x640 [ 382.343153] ? check_preemption_disabled+0x48/0x280 [ 382.348173] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 382.353106] ? kasan_check_read+0x11/0x20 [ 382.357256] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 382.362545] ? oom_evaluate_task+0x540/0x540 [ 382.366960] ? find_held_lock+0x36/0x1c0 [ 382.371038] ? out_of_memory+0x974/0x1430 [ 382.375193] ? lock_downgrade+0x900/0x900 [ 382.379346] ? check_preemption_disabled+0x48/0x280 [ 382.384383] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 382.389319] ? kasan_check_read+0x11/0x20 [ 382.393476] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 382.398759] ? rcu_softirq_qs+0x20/0x20 [ 382.402744] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 382.408283] ? oom_evaluate_task+0x302/0x540 [ 382.412696] out_of_memory+0xa84/0x1430 [ 382.416684] ? oom_killer_disable+0x3a0/0x3a0 [ 382.421180] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 382.426118] ? __ww_mutex_check_waiters+0x160/0x160 [ 382.431148] __alloc_pages_slowpath+0x232c/0x2de0 [ 382.436027] ? warn_alloc+0x120/0x120 [ 382.439832] ? mark_held_locks+0x130/0x130 [ 382.444081] ? find_get_entry+0xaae/0x1120 [ 382.448328] ? filemap_map_pages+0x1a20/0x1a20 [ 382.452937] ? zap_class+0x640/0x640 [ 382.456675] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.462217] ? check_preemption_disabled+0x48/0x280 [ 382.467284] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 382.472866] ? should_fail+0x22d/0xd01 [ 382.476791] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 382.481897] ? zap_class+0x640/0x640 [ 382.485638] ? __lock_is_held+0xb5/0x140 [ 382.489710] ? mark_held_locks+0x130/0x130 [ 382.493950] ? lock_release+0xa00/0xa00 [ 382.497944] ? perf_trace_sched_process_exec+0x860/0x860 [ 382.503407] ? xa_load+0x2ba/0x460 [ 382.506966] ? lock_downgrade+0x900/0x900 [ 382.511118] ? __might_sleep+0x95/0x190 [ 382.515148] __alloc_pages_nodemask+0xad8/0xea0 [ 382.519825] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 382.524842] ? __page_cache_alloc+0x191/0x5c0 [ 382.529337] ? xa_load+0x2e1/0x460 [ 382.532879] ? xa_clear_mark+0x40/0x40 [ 382.536773] ? zap_class+0x640/0x640 [ 382.540502] ? zap_class+0x640/0x640 [ 382.544219] ? zap_class+0x640/0x640 [ 382.547938] ? __do_page_cache_readahead+0x663/0x810 [ 382.553055] ? find_held_lock+0x36/0x1c0 [ 382.557126] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 382.562679] alloc_pages_current+0x173/0x350 [ 382.567114] __page_cache_alloc+0x38c/0x5c0 [ 382.571449] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 382.576385] ? kasan_check_read+0x11/0x20 [ 382.580538] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 382.585823] ? generic_perform_write+0x6a0/0x6a0 [ 382.590581] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 382.596122] ? check_preemption_disabled+0x48/0x280 [ 382.601150] filemap_fault+0x1595/0x25f0 [ 382.605225] ? __lock_page_or_retry+0xa00/0xa00 [ 382.609902] ? mark_held_locks+0x130/0x130 [ 382.614148] ? filemap_map_pages+0xd6b/0x1a20 [ 382.618645] ? lock_downgrade+0x900/0x900 [ 382.622812] ? check_preemption_disabled+0x48/0x280 [ 382.627830] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 382.632762] ? kasan_check_read+0x11/0x20 [ 382.636916] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 382.642197] ? rcu_softirq_qs+0x20/0x20 [ 382.646187] ? filemap_map_pages+0xd92/0x1a20 [ 382.650697] ? find_get_entries_tag+0x1400/0x1400 [ 382.655575] ? debug_object_destroy+0x2b0/0x2b0 [ 382.660253] ? lock_pi_update_atomic+0x150/0x150 [ 382.665050] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.670605] ? lock_acquire+0x1ed/0x520 [ 382.674579] ? ext4_filemap_fault+0x7a/0xad [ 382.678909] ? lock_release+0xa00/0xa00 [ 382.682881] ? perf_trace_sched_process_exec+0x860/0x860 [ 382.688336] ? print_usage_bug+0xc0/0xc0 [ 382.692405] ? print_usage_bug+0xc0/0xc0 [ 382.696477] ? down_read+0x8d/0x120 [ 382.700105] ? ext4_filemap_fault+0x7a/0xad [ 382.704441] ? __down_interruptible+0x700/0x700 [ 382.709124] ext4_filemap_fault+0x82/0xad [ 382.713276] __do_fault+0x100/0x6b0 [ 382.716926] ? find_held_lock+0x36/0x1c0 [ 382.721004] ? pmd_devmap_trans_unstable+0x220/0x220 [ 382.726150] ? mark_held_locks+0x130/0x130 [ 382.730393] ? mark_held_locks+0x130/0x130 [ 382.734633] ? debug_smp_processor_id+0x1c/0x20 [ 382.739305] ? perf_trace_lock+0x14d/0x7a0 [ 382.743548] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 382.749103] __handle_mm_fault+0x3ea0/0x5be0 [ 382.753522] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 382.758384] ? lock_is_held_type+0x210/0x210 [ 382.762802] ? __switch_to_asm+0x34/0x70 [ 382.766861] ? __switch_to_asm+0x34/0x70 [ 382.770955] ? zap_class+0x640/0x640 [ 382.774670] ? zap_class+0x640/0x640 [ 382.778391] ? __x64_sys_futex+0x53e/0x6a0 [ 382.782636] ? find_held_lock+0x36/0x1c0 [ 382.786710] ? handle_mm_fault+0x42a/0xc70 [ 382.790948] ? lock_downgrade+0x900/0x900 [ 382.795105] ? check_preemption_disabled+0x48/0x280 [ 382.800127] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 382.805057] ? kasan_check_read+0x11/0x20 [ 382.809209] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 382.814488] ? rcu_softirq_qs+0x20/0x20 [ 382.818464] ? trace_hardirqs_off_caller+0x310/0x310 [ 382.823573] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 382.829116] ? check_preemption_disabled+0x48/0x280 [ 382.834141] handle_mm_fault+0x54f/0xc70 [ 382.838209] ? __handle_mm_fault+0x5be0/0x5be0 [ 382.842797] ? find_vma+0x34/0x190 [ 382.846346] __do_page_fault+0x5e8/0xe60 [ 382.850414] ? trace_hardirqs_off+0xb8/0x310 [ 382.854837] do_page_fault+0xf2/0x7e0 [ 382.858639] ? vmalloc_sync_all+0x30/0x30 [ 382.862788] ? error_entry+0x70/0xd0 [ 382.866508] ? trace_hardirqs_off_caller+0xbb/0x310 [ 382.871522] ? trace_hardirqs_on_caller+0xc0/0x310 [ 382.876480] ? syscall_return_slowpath+0x5e0/0x5e0 [ 382.881414] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 382.886261] ? trace_hardirqs_on_caller+0x310/0x310 [ 382.891284] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 382.896747] ? prepare_exit_to_usermode+0x291/0x3b0 [ 382.901766] ? page_fault+0x8/0x30 [ 382.905325] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 382.910177] ? page_fault+0x8/0x30 [ 382.913737] page_fault+0x1e/0x30 [ 382.917247] RIP: 0033:0x45ddf3 [ 382.920449] Code: Bad RIP value. [ 382.923812] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 382.929222] RAX: ffffffffffffff92 RBX: 0000000028898d51 RCX: 000000000045ddf3 [ 382.936492] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014f1120 [ 382.943766] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 382.951040] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 382.958313] R13: 000000c42841fe60 R14: 0000000000000001 R15: 0000000000000000 [ 382.965606] warn_alloc_show_mem: 1 callbacks suppressed [ 382.965618] CPU: 1 PID: 16798 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #167 [ 382.965620] Mem-Info: [ 382.965651] active_anon:45985 inactive_anon:296 isolated_anon:0 [ 382.965651] active_file:15 inactive_file:8 isolated_file:0 [ 382.965651] unevictable:0 dirty:0 writeback:0 unstable:0 [ 382.965651] slab_reclaimable:9236 slab_unreclaimable:1461135 [ 382.965651] mapped:40979 shmem:353 pagetables:587 bounce:0 [ 382.965651] free:13771 free_pcp:249 free_cma:0 [ 382.970994] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 382.978368] Node 0 active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1412kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 382.980771] Call Trace: [ 383.013563] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 383.022940] [ 383.050599] lowmem_reserve[]: 0 2818 6321 6321 [ 383.053206] dump_stack+0x244/0x39d [ 383.079296] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:404kB local_pcp:156kB free_cma:0kB [ 383.081458] ? dump_stack_print_info.cold.1+0x20/0x20 [ 383.085998] lowmem_reserve[]: 0 0 3503 3503 [ 383.089649] warn_alloc.cold.116+0xb7/0x1bd [ 383.117138] Node 0 Normal free:14000kB min:37364kB low:46704kB high:56044kB active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2348kB bounce:0kB free_pcp:592kB local_pcp:388kB free_cma:0kB [ 383.122340] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 383.126669] lowmem_reserve[]: 0 0 0 0 [ 383.130985] ? lock_downgrade+0x900/0x900 [ 383.159955] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 383.164820] ? trace_hardirqs_off+0xb8/0x310 [ 383.168584] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 2*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 383.172732] ? trace_hardirqs_off+0xb8/0x310 [ 383.186729] Node 0 Normal: 794*4kB (MEH) 441*8kB (UMEH) 176*16kB (UME) 69*32kB (UMEH) 18*64kB (UM) 1*128kB (U) 2*256kB (U) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14032kB [ 383.191166] __alloc_pages_slowpath+0x2651/0x2de0 [ 383.206237] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 383.210666] ? warn_alloc+0x120/0x120 [ 383.226072] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 383.230922] ? print_usage_bug+0xc0/0xc0 [ 383.239731] 376 total pagecache pages [ 383.243542] ? warn_alloc+0x120/0x120 [ 383.252099] 0 pages in swap cache [ 383.256160] ? warn_alloc+0x120/0x120 [ 383.259927] Swap cache stats: add 0, delete 0, find 0/0 [ 383.259936] Free swap = 0kB [ 383.263738] ? print_usage_bug+0xc0/0xc0 [ 383.267179] Total swap = 0kB [ 383.270983] ? kvm_clock_read+0x18/0x30 [ 383.276324] 1965979 pages RAM [ 383.279369] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 383.283398] 0 pages HighMem/MovableOnly [ 383.283406] 342854 pages reserved [ 383.286424] ? print_usage_bug+0xc0/0xc0 [ 383.290369] 0 pages cma reserved [ 383.293471] ? __lock_acquire+0x62f/0x4c20 [ 383.298519] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 383.302430] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 383.305916] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 383.309915] ? should_fail+0x22d/0xd01 [ 383.313257] syz-fuzzer cpuset=/ mems_allowed=0 [ 383.317483] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 383.353428] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 383.358531] ? __lock_acquire+0x62f/0x4c20 [ 383.362769] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 383.367878] ? __lock_acquire+0x62f/0x4c20 [ 383.372129] ? should_fail+0x22d/0xd01 [ 383.376021] ? rcu_irq_exit+0x1a2/0x390 [ 383.380005] ? mark_held_locks+0x130/0x130 [ 383.384252] ? mark_held_locks+0x130/0x130 [ 383.388491] ? mark_held_locks+0xc7/0x130 [ 383.392643] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 383.397659] ? zap_class+0x640/0x640 [ 383.401374] ? print_usage_bug+0xc0/0xc0 [ 383.405444] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.410995] ? check_preemption_disabled+0x48/0x280 [ 383.416050] ? __lock_is_held+0xb5/0x140 [ 383.420123] __alloc_pages_nodemask+0xad8/0xea0 [ 383.424806] ? zap_class+0x640/0x640 [ 383.428527] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 383.433558] ? find_held_lock+0x36/0x1c0 [ 383.437632] ? ____cache_alloc_node+0x1c7/0x1e0 [ 383.442306] ? lock_downgrade+0x900/0x900 [ 383.446461] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.452001] cache_grow_begin+0xa5/0x8c0 [ 383.456073] ? do_raw_spin_unlock+0xa7/0x330 [ 383.460490] fallback_alloc+0x204/0x2e0 [ 383.464474] ____cache_alloc_node+0x1c7/0x1e0 [ 383.468978] kmem_cache_alloc_node+0xe3/0x730 [ 383.473486] ? ipv6_get_ifaddr+0x42e/0x620 [ 383.477732] __alloc_skb+0x119/0x770 [ 383.481445] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 383.486726] ? netdev_alloc_frag+0x1f0/0x1f0 [ 383.491131] ? lock_downgrade+0x900/0x900 [ 383.495284] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.500824] ? refcount_sub_and_test_checked+0x203/0x310 [ 383.506275] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 383.511742] ? addrconf_rs_timer+0x690/0x690 [ 383.516162] ndisc_alloc_skb+0x144/0x340 [ 383.520230] ndisc_send_rs+0x331/0x6e0 [ 383.524122] addrconf_rs_timer+0x314/0x690 [ 383.528363] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.532624] call_timer_fn+0x272/0x920 [ 383.536519] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.540756] ? process_timeout+0x40/0x40 [ 383.544831] ? __run_timers+0x7da/0xc70 [ 383.548808] ? _raw_spin_unlock_irq+0x27/0x80 [ 383.553320] ? _raw_spin_unlock_irq+0x27/0x80 [ 383.557817] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.562050] ? lockdep_hardirqs_on+0x296/0x5b0 [ 383.566662] ? trace_hardirqs_on+0xbd/0x310 [ 383.570980] ? kasan_check_read+0x11/0x20 [ 383.575137] ? __run_timers+0x7da/0xc70 [ 383.579115] ? trace_hardirqs_off_caller+0x310/0x310 [ 383.584226] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.588463] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.592697] __run_timers+0x7e5/0xc70 [ 383.596509] ? timer_fixup_init+0x70/0x70 [ 383.600660] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 383.605697] ? zap_class+0x640/0x640 [ 383.609434] ? enqueue_hrtimer+0x1a5/0x560 [ 383.613674] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 383.618882] ? find_held_lock+0x36/0x1c0 [ 383.622953] ? zap_class+0x640/0x640 [ 383.626682] ? pvclock_read_flags+0x160/0x160 [ 383.631177] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.636718] ? check_preemption_disabled+0x48/0x280 [ 383.641745] ? __lock_is_held+0xb5/0x140 [ 383.645807] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.651351] ? check_preemption_disabled+0x48/0x280 [ 383.656394] run_timer_softirq+0x52/0xb0 [ 383.660457] ? rcu_read_lock_sched_held+0x14f/0x180 [ 383.665473] __do_softirq+0x308/0xb7e [ 383.669271] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 383.673762] ? lock_downgrade+0x900/0x900 [ 383.677916] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 383.683031] ? pvclock_read_flags+0x160/0x160 [ 383.687537] ? lapic_next_event+0x5a/0x90 [ 383.691703] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.697263] ? kvm_clock_read+0x18/0x30 [ 383.701241] ? kvm_sched_clock_read+0x9/0x20 [ 383.705685] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.711219] ? check_preemption_disabled+0x48/0x280 [ 383.716245] irq_exit+0x17f/0x1c0 [ 383.719713] smp_apic_timer_interrupt+0x1cb/0x760 [ 383.724589] ? smp_reschedule_interrupt+0x109/0x650 [ 383.729620] ? smp_call_function_single_interrupt+0x650/0x650 [ 383.735518] ? interrupt_entry+0xb5/0xc0 [ 383.739593] ? trace_hardirqs_off_caller+0xbb/0x310 [ 383.744653] ? trace_hardirqs_off_caller+0xbb/0x310 [ 383.749672] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 383.754521] ? trace_hardirqs_on_caller+0x310/0x310 [ 383.759542] ? trace_hardirqs_on_caller+0x310/0x310 [ 383.764558] ? task_prio+0x50/0x50 [ 383.768101] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.773640] ? check_preemption_disabled+0x48/0x280 [ 383.778665] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 383.783514] apic_timer_interrupt+0xf/0x20 [ 383.787739] [ 383.789978] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 383.794931] Code: 7e 0f 85 cf fe ff ff e8 66 cb 3d ff e9 c5 fe ff ff e8 0d 01 c3 ff 48 83 3d a5 49 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 42 f3 [ 383.813828] RSP: 0018:ffff888195497718 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 383.821540] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 383.828804] RDX: 0000000000000000 RSI: ffff8881d2488b40 RDI: 0000000000000282 [ 383.836078] RBP: ffff888195497780 R08: ffff8881d24882c0 R09: 0000000000000000 [ 383.843342] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 383.850609] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020 [ 383.857932] skb_clone+0x1bb/0x500 [ 383.861503] ? skb_split+0x11e0/0x11e0 [ 383.865392] ? check_preemption_disabled+0x48/0x280 [ 383.870413] ? __this_cpu_preempt_check+0x1c/0x20 [ 383.875261] ? __bpf_redirect+0x55b/0xb60 [ 383.879410] ? __switch_to_asm+0x34/0x70 [ 383.883467] ? __switch_to_asm+0x40/0x70 [ 383.887535] bpf_clone_redirect+0xb9/0x490 [ 383.891777] bpf_prog_3d1649e183dc2cc1+0xaf9/0x1000 [ 383.896797] ? __sched_text_start+0x8/0x8 [ 383.900962] ? find_held_lock+0x36/0x1c0 [ 383.905039] ? lock_acquire+0x1ed/0x520 [ 383.909026] ? bpf_test_run+0x3cb/0x780 [ 383.913006] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.918552] ? check_preemption_disabled+0x48/0x280 [ 383.923573] ? kasan_check_read+0x11/0x20 [ 383.927718] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 383.933019] ? rcu_softirq_qs+0x20/0x20 [ 383.936999] ? preempt_schedule+0x4d/0x60 [ 383.941160] ? ___preempt_schedule+0x16/0x18 [ 383.945575] ? bpf_test_run+0x25d/0x780 [ 383.949575] ? netlink_diag_dump+0x2a0/0x2a0 [ 383.953994] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 383.959541] ? bpf_test_init.isra.10+0x70/0x100 [ 383.964231] ? bpf_prog_test_run_skb+0x73b/0xd10 [ 383.968994] ? bpf_test_finish.isra.9+0x260/0x260 [ 383.973841] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 383.979379] ? fput+0x130/0x1a0 [ 383.982662] ? __bpf_prog_get+0x9b/0x290 [ 383.986758] ? bpf_test_finish.isra.9+0x260/0x260 [ 383.991605] ? bpf_prog_test_run+0x130/0x1a0 [ 383.996038] ? __x64_sys_bpf+0x3db/0x520 [ 384.000105] ? bpf_prog_get+0x20/0x20 [ 384.003932] ? do_syscall_64+0x1b9/0x820 [ 384.007988] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 384.013362] ? syscall_return_slowpath+0x5e0/0x5e0 [ 384.018292] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 384.023139] ? trace_hardirqs_on_caller+0x310/0x310 [ 384.028154] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 384.033169] ? prepare_exit_to_usermode+0x291/0x3b0 [ 384.038194] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 384.043050] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 384.048429] CPU: 0 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #167 [ 384.048494] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 384.055440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 384.055449] Call Trace: [ 384.062006] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 384.071265] [ 384.073836] syz-executor0 cpuset=syz0 mems_allowed=0 [ 384.084313] dump_stack+0x244/0x39d [ 384.095159] ? dump_stack_print_info.cold.1+0x20/0x20 [ 384.100378] warn_alloc.cold.116+0xb7/0x1bd [ 384.104716] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 384.109577] ? lock_downgrade+0x900/0x900 [ 384.113759] ? trace_hardirqs_off+0xb8/0x310 [ 384.118175] ? trace_hardirqs_off+0xb8/0x310 [ 384.122593] __alloc_pages_slowpath+0x2651/0x2de0 [ 384.127457] ? warn_alloc+0x120/0x120 [ 384.131259] ? print_usage_bug+0xc0/0xc0 [ 384.135317] ? warn_alloc+0x120/0x120 [ 384.139120] ? warn_alloc+0x120/0x120 [ 384.142920] ? print_usage_bug+0xc0/0xc0 [ 384.146993] ? print_usage_bug+0xc0/0xc0 [ 384.151079] ? __lock_acquire+0x62f/0x4c20 [ 384.155335] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 384.160884] ? should_fail+0x22d/0xd01 [ 384.164778] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 384.169878] ? __lock_acquire+0x62f/0x4c20 [ 384.174118] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 384.179218] ? __lock_acquire+0x62f/0x4c20 [ 384.183467] ? should_fail+0x22d/0xd01 [ 384.187355] ? find_held_lock+0x36/0x1c0 [ 384.191434] ? mark_held_locks+0x130/0x130 [ 384.195675] ? mark_held_locks+0x130/0x130 [ 384.199933] ? zap_class+0x640/0x640 [ 384.203648] ? zap_class+0x640/0x640 [ 384.207362] ? print_usage_bug+0xc0/0xc0 [ 384.211429] ? do_raw_spin_unlock+0xa7/0x330 [ 384.215838] ? zap_class+0x640/0x640 [ 384.219553] ? print_usage_bug+0xc0/0xc0 [ 384.223615] ? wq_watchdog_touch+0x9c/0xfe [ 384.227855] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.233399] ? check_preemption_disabled+0x48/0x280 [ 384.238427] ? __lock_is_held+0xb5/0x140 [ 384.242496] __alloc_pages_nodemask+0xad8/0xea0 [ 384.247167] ? zap_class+0x640/0x640 [ 384.250888] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 384.255917] ? find_held_lock+0x36/0x1c0 [ 384.259985] ? ____cache_alloc_node+0x1c7/0x1e0 [ 384.264681] ? lock_downgrade+0x900/0x900 [ 384.268837] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.274387] cache_grow_begin+0xa5/0x8c0 [ 384.278452] ? do_raw_spin_unlock+0xa7/0x330 [ 384.282871] fallback_alloc+0x204/0x2e0 [ 384.286866] ____cache_alloc_node+0x1c7/0x1e0 [ 384.291391] kmem_cache_alloc_node+0xe3/0x730 [ 384.295887] ? ipv6_get_ifaddr+0x42e/0x620 [ 384.300134] __alloc_skb+0x119/0x770 [ 384.303847] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 384.309125] ? netdev_alloc_frag+0x1f0/0x1f0 [ 384.313673] ? lock_downgrade+0x900/0x900 [ 384.317835] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.323369] ? refcount_sub_and_test_checked+0x203/0x310 [ 384.328835] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 384.334284] ? addrconf_rs_timer+0x690/0x690 [ 384.338707] ndisc_alloc_skb+0x144/0x340 [ 384.342812] ndisc_send_rs+0x331/0x6e0 [ 384.346737] addrconf_rs_timer+0x314/0x690 [ 384.350977] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.355230] call_timer_fn+0x272/0x920 [ 384.359116] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.363486] ? process_timeout+0x40/0x40 [ 384.367560] ? mark_held_locks+0xc7/0x130 [ 384.371711] ? _raw_spin_unlock_irq+0x27/0x80 [ 384.376207] ? _raw_spin_unlock_irq+0x27/0x80 [ 384.380703] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.384937] ? lockdep_hardirqs_on+0x296/0x5b0 [ 384.389524] ? trace_hardirqs_on+0xbd/0x310 [ 384.393848] ? kasan_check_read+0x11/0x20 [ 384.398033] ? __run_timers+0x7da/0xc70 [ 384.402019] ? trace_hardirqs_off_caller+0x310/0x310 [ 384.407133] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.411372] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.415614] __run_timers+0x7e5/0xc70 [ 384.419423] ? timer_fixup_init+0x70/0x70 [ 384.423574] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 384.428592] ? zap_class+0x640/0x640 [ 384.432310] ? print_usage_bug+0xc0/0xc0 [ 384.436378] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 384.441578] ? find_held_lock+0x36/0x1c0 [ 384.445647] ? zap_class+0x640/0x640 [ 384.449367] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.454914] ? check_preemption_disabled+0x48/0x280 [ 384.459940] ? __lock_is_held+0xb5/0x140 [ 384.464005] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.469571] ? check_preemption_disabled+0x48/0x280 [ 384.474594] run_timer_softirq+0x52/0xb0 [ 384.478658] ? rcu_read_lock_sched_held+0x14f/0x180 [ 384.483673] __do_softirq+0x308/0xb7e [ 384.487479] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 384.491975] ? lock_downgrade+0x900/0x900 [ 384.496126] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 384.501239] ? pvclock_read_flags+0x160/0x160 [ 384.505736] ? lapic_next_event+0x5a/0x90 [ 384.509900] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.515457] ? kvm_clock_read+0x18/0x30 [ 384.519434] ? kvm_sched_clock_read+0x9/0x20 [ 384.523844] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 384.529391] ? check_preemption_disabled+0x48/0x280 [ 384.534416] irq_exit+0x17f/0x1c0 [ 384.537874] smp_apic_timer_interrupt+0x1cb/0x760 [ 384.542715] ? smp_reschedule_interrupt+0x109/0x650 [ 384.547731] ? smp_call_function_single_interrupt+0x650/0x650 [ 384.553614] ? interrupt_entry+0xb5/0xc0 [ 384.557678] ? trace_hardirqs_off_caller+0xbb/0x310 [ 384.562695] ? trace_hardirqs_off_caller+0xbb/0x310 [ 384.567713] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 384.572598] ? trace_hardirqs_on_caller+0x310/0x310 [ 384.577612] ? trace_hardirqs_on_caller+0x310/0x310 [ 384.582641] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 384.587493] apic_timer_interrupt+0xf/0x20 [ 384.591719] [ 384.593957] RIP: 0010:dump_stack+0x358/0x39d [ 384.598365] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 f1 36 ed f9 48 83 3d f9 27 7c 01 00 0f 84 63 fe ff ff e8 6e b7 a9 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b b7 a9 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 384.617270] RSP: 0000:ffff8881bb40e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 384.624990] RAX: ffff8881c2208180 RBX: 1ffffffff12a3f6e RCX: 1ffff1103844114e [ 384.632267] RDX: 0000000000000000 RSI: ffffffff87d5d382 RDI: 0000000000000293 [ 384.639565] RBP: ffff8881bb40e290 R08: ffff8881c2208a70 R09: 0000000000000006 [ 384.646834] R10: 0000000000000000 R11: ffff8881c2208180 R12: 1ffff11037681c45 [ 384.654135] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 384.661419] ? dump_stack+0x34f/0x39d [ 384.665235] ? dump_stack_print_info.cold.1+0x20/0x20 [ 384.670425] ? mark_held_locks+0x130/0x130 [ 384.674663] ? mark_held_locks+0x130/0x130 [ 384.678904] dump_header+0x27b/0xf72 [ 384.682634] ? pagefault_out_of_memory+0x197/0x197 [ 384.687571] ? __lock_acquire+0x62f/0x4c20 [ 384.691851] ? percpu_ref_get_many+0x240/0x240 [ 384.696449] ? print_usage_bug+0xc0/0xc0 [ 384.700532] ? zap_class+0x640/0x640 [ 384.704247] ? print_usage_bug+0xc0/0xc0 [ 384.708329] ? print_usage_bug+0xc0/0xc0 [ 384.712397] ? zap_class+0x640/0x640 [ 384.716116] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.721656] ? find_held_lock+0x36/0x1c0 [ 384.725728] ? mark_held_locks+0xc7/0x130 [ 384.729876] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 384.734978] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 384.740089] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 384.744675] ? trace_hardirqs_on+0xbd/0x310 [ 384.748997] ? kasan_check_read+0x11/0x20 [ 384.753154] ? ___ratelimit+0x3b4/0x672 [ 384.757133] ? trace_hardirqs_off_caller+0x310/0x310 [ 384.762250] ? trace_hardirqs_on+0x310/0x310 [ 384.766658] ? lock_downgrade+0x900/0x900 [ 384.770808] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 384.775909] ? ___ratelimit+0x3b9/0x672 [ 384.779886] ? idr_get_free+0xf70/0xf70 [ 384.783865] ? find_held_lock+0x36/0x1c0 [ 384.787970] oom_kill_process.cold.27+0x10/0x903 [ 384.792727] ? zap_class+0x640/0x640 [ 384.796443] ? check_preemption_disabled+0x48/0x280 [ 384.801462] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 384.806396] ? kasan_check_read+0x11/0x20 [ 384.810547] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 384.815839] ? oom_evaluate_task+0x540/0x540 [ 384.820254] ? find_held_lock+0x36/0x1c0 [ 384.824324] ? out_of_memory+0x974/0x1430 [ 384.828477] ? lock_downgrade+0x900/0x900 [ 384.832630] ? check_preemption_disabled+0x48/0x280 [ 384.837648] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 384.842580] ? kasan_check_read+0x11/0x20 [ 384.846728] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 384.852005] ? rcu_softirq_qs+0x20/0x20 [ 384.856007] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 384.861557] ? oom_evaluate_task+0x302/0x540 [ 384.865982] out_of_memory+0xa84/0x1430 [ 384.869974] ? oom_killer_disable+0x3a0/0x3a0 [ 384.874470] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 384.879405] ? __ww_mutex_check_waiters+0x160/0x160 [ 384.884432] __alloc_pages_slowpath+0x232c/0x2de0 [ 384.889303] ? warn_alloc+0x120/0x120 [ 384.893102] ? mark_held_locks+0x130/0x130 [ 384.897363] ? find_get_entry+0xaae/0x1120 [ 384.901614] ? filemap_map_pages+0x1a20/0x1a20 [ 384.906200] ? zap_class+0x640/0x640 [ 384.909920] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.915457] ? check_preemption_disabled+0x48/0x280 [ 384.920477] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 384.926026] ? should_fail+0x22d/0xd01 [ 384.929935] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 384.935052] ? zap_class+0x640/0x640 [ 384.938807] ? __lock_is_held+0xb5/0x140 [ 384.942875] ? mark_held_locks+0x130/0x130 [ 384.947115] ? lock_release+0xa00/0xa00 [ 384.951103] ? perf_trace_sched_process_exec+0x860/0x860 [ 384.956550] ? xa_load+0x2ba/0x460 [ 384.960092] ? lock_downgrade+0x900/0x900 [ 384.964244] ? __might_sleep+0x95/0x190 [ 384.968251] __alloc_pages_nodemask+0xad8/0xea0 [ 384.972926] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 384.977947] ? __page_cache_alloc+0x191/0x5c0 [ 384.982438] ? xa_load+0x2e1/0x460 [ 384.985975] ? xa_clear_mark+0x40/0x40 [ 384.989883] ? zap_class+0x640/0x640 [ 384.993602] ? zap_class+0x640/0x640 [ 384.997320] ? zap_class+0x640/0x640 [ 385.001040] ? __do_page_cache_readahead+0x663/0x810 [ 385.006150] ? find_held_lock+0x36/0x1c0 [ 385.010216] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 385.015779] alloc_pages_current+0x173/0x350 [ 385.020193] __page_cache_alloc+0x38c/0x5c0 [ 385.024510] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 385.029470] ? kasan_check_read+0x11/0x20 [ 385.033632] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 385.038911] ? generic_perform_write+0x6a0/0x6a0 [ 385.043665] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 385.049204] ? check_preemption_disabled+0x48/0x280 [ 385.054229] filemap_fault+0x1595/0x25f0 [ 385.058302] ? __lock_page_or_retry+0xa00/0xa00 [ 385.062974] ? mark_held_locks+0x130/0x130 [ 385.067217] ? filemap_map_pages+0xd6b/0x1a20 [ 385.071741] ? lock_downgrade+0x900/0x900 [ 385.075902] ? check_preemption_disabled+0x48/0x280 [ 385.080947] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 385.085888] ? kasan_check_read+0x11/0x20 [ 385.090042] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 385.095320] ? rcu_softirq_qs+0x20/0x20 [ 385.099311] ? filemap_map_pages+0xd92/0x1a20 [ 385.103817] ? find_get_entries_tag+0x1400/0x1400 [ 385.108662] ? debug_object_destroy+0x2b0/0x2b0 [ 385.113338] ? lock_pi_update_atomic+0x150/0x150 [ 385.118093] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.123643] ? lock_acquire+0x1ed/0x520 [ 385.127620] ? ext4_filemap_fault+0x7a/0xad [ 385.131952] ? lock_release+0xa00/0xa00 [ 385.135923] ? perf_trace_sched_process_exec+0x860/0x860 [ 385.141385] ? print_usage_bug+0xc0/0xc0 [ 385.145446] ? print_usage_bug+0xc0/0xc0 [ 385.149518] ? down_read+0x8d/0x120 [ 385.153141] ? ext4_filemap_fault+0x7a/0xad [ 385.157464] ? __down_interruptible+0x700/0x700 [ 385.162174] ext4_filemap_fault+0x82/0xad [ 385.166324] __do_fault+0x100/0x6b0 [ 385.169951] ? find_held_lock+0x36/0x1c0 [ 385.174028] ? pmd_devmap_trans_unstable+0x220/0x220 [ 385.179617] ? mark_held_locks+0x130/0x130 [ 385.183854] ? mark_held_locks+0x130/0x130 [ 385.188090] ? debug_smp_processor_id+0x1c/0x20 [ 385.192758] ? perf_trace_lock+0x14d/0x7a0 [ 385.196999] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 385.202550] __handle_mm_fault+0x3ea0/0x5be0 [ 385.206970] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 385.211814] ? lock_is_held_type+0x210/0x210 [ 385.216231] ? __switch_to_asm+0x34/0x70 [ 385.220292] ? __switch_to_asm+0x34/0x70 [ 385.224401] ? zap_class+0x640/0x640 [ 385.228145] ? zap_class+0x640/0x640 [ 385.231856] ? __x64_sys_futex+0x53e/0x6a0 [ 385.236096] ? find_held_lock+0x36/0x1c0 [ 385.240169] ? handle_mm_fault+0x42a/0xc70 [ 385.244406] ? lock_downgrade+0x900/0x900 [ 385.248557] ? check_preemption_disabled+0x48/0x280 [ 385.253577] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 385.258505] ? kasan_check_read+0x11/0x20 [ 385.262651] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 385.267941] ? rcu_softirq_qs+0x20/0x20 [ 385.271928] ? trace_hardirqs_off_caller+0x310/0x310 [ 385.277038] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 385.282754] ? check_preemption_disabled+0x48/0x280 [ 385.287790] handle_mm_fault+0x54f/0xc70 [ 385.291858] ? __handle_mm_fault+0x5be0/0x5be0 [ 385.296447] ? find_vma+0x34/0x190 [ 385.300038] __do_page_fault+0x5e8/0xe60 [ 385.304098] ? trace_hardirqs_off+0xb8/0x310 [ 385.308516] do_page_fault+0xf2/0x7e0 [ 385.312331] ? vmalloc_sync_all+0x30/0x30 [ 385.316482] ? error_entry+0x70/0xd0 [ 385.320196] ? trace_hardirqs_off_caller+0xbb/0x310 [ 385.325216] ? trace_hardirqs_on_caller+0xc0/0x310 [ 385.330146] ? syscall_return_slowpath+0x5e0/0x5e0 [ 385.335078] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 385.339925] ? trace_hardirqs_on_caller+0x310/0x310 [ 385.344938] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 385.350417] ? prepare_exit_to_usermode+0x291/0x3b0 [ 385.355449] ? page_fault+0x8/0x30 [ 385.358993] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 385.363866] ? page_fault+0x8/0x30 [ 385.367425] page_fault+0x1e/0x30 [ 385.370877] RIP: 0033:0x45ddf3 [ 385.374085] Code: Bad RIP value. [ 385.377445] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 385.382806] RAX: ffffffffffffff92 RBX: 0000000028898d51 RCX: 000000000045ddf3 [ 385.390079] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014f1120 [ 385.397349] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 385.404626] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 385.411909] R13: 000000c42841fe60 R14: 0000000000000001 R15: 0000000000000000 [ 385.419206] warn_alloc_show_mem: 1 callbacks suppressed [ 385.419218] CPU: 1 PID: 16798 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #167 [ 385.419220] Mem-Info: [ 385.419252] active_anon:45985 inactive_anon:296 isolated_anon:0 [ 385.419252] active_file:15 inactive_file:8 isolated_file:0 [ 385.419252] unevictable:0 dirty:0 writeback:0 unstable:0 [ 385.419252] slab_reclaimable:9236 slab_unreclaimable:1461135 [ 385.419252] mapped:40979 shmem:353 pagetables:587 bounce:0 [ 385.419252] free:13771 free_pcp:249 free_cma:0 [ 385.424592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 385.431962] Node 0 active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1412kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 385.434364] Call Trace: [ 385.467164] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 385.476527] [ 385.504198] lowmem_reserve[]: 0 2818 6321 6321 [ 385.506787] dump_stack+0x244/0x39d [ 385.532891] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:404kB local_pcp:156kB free_cma:0kB [ 385.532936] lowmem_reserve[]: 0 0 3503 3503 [ 385.535119] ? dump_stack_print_info.cold.1+0x20/0x20 [ 385.539662] Node 0 Normal free:14000kB min:37364kB low:46704kB high:56044kB active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2348kB bounce:0kB free_pcp:592kB local_pcp:388kB free_cma:0kB [ 385.543293] warn_alloc.cold.116+0xb7/0x1bd [ 385.570769] lowmem_reserve[]: 0 0 0 0 [ 385.575097] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 385.580258] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 385.609241] ? lock_downgrade+0x900/0x900 [ 385.613537] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 2*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 385.617339] ? trace_hardirqs_off+0xb8/0x310 [ 385.622171] Node 0 Normal: 794*4kB (MEH) 441*8kB (UMEH) 176*16kB (UME) 69*32kB (UMEH) 18*64kB (UM) 1*128kB (U) 2*256kB (U) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14032kB [ 385.635701] ? trace_hardirqs_off+0xb8/0x310 [ 385.639846] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 385.654927] __alloc_pages_slowpath+0x2651/0x2de0 [ 385.659314] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 385.674754] ? warn_alloc+0x120/0x120 [ 385.679121] 376 total pagecache pages [ 385.687951] ? print_usage_bug+0xc0/0xc0 [ 385.692773] 0 pages in swap cache [ 385.701332] ? warn_alloc+0x120/0x120 [ 385.705108] Swap cache stats: add 0, delete 0, find 0/0 [ 385.708912] ? warn_alloc+0x120/0x120 [ 385.712952] Free swap = 0kB [ 385.716397] ? print_usage_bug+0xc0/0xc0 [ 385.720175] Total swap = 0kB [ 385.725533] ? kvm_clock_read+0x18/0x30 [ 385.729307] 1965979 pages RAM [ 385.732335] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 385.736366] 0 pages HighMem/MovableOnly [ 385.739377] ? print_usage_bug+0xc0/0xc0 [ 385.743329] 342854 pages reserved [ 385.746429] ? __lock_acquire+0x62f/0x4c20 [ 385.751419] 0 pages cma reserved [ 385.755393] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 385.759486] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 385.762895] ? should_fail+0x22d/0xd01 [ 385.767170] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 385.770470] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 385.775983] syz-fuzzer cpuset=/ mems_allowed=0 [ 385.782468] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 385.811481] ? __lock_acquire+0x62f/0x4c20 [ 385.815725] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 385.820823] ? __lock_acquire+0x62f/0x4c20 [ 385.825059] ? should_fail+0x22d/0xd01 [ 385.828942] ? rcu_irq_exit+0x1a2/0x390 [ 385.832922] ? mark_held_locks+0x130/0x130 [ 385.837159] ? mark_held_locks+0x130/0x130 [ 385.841397] ? mark_held_locks+0xc7/0x130 [ 385.845544] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 385.850556] ? zap_class+0x640/0x640 [ 385.854269] ? print_usage_bug+0xc0/0xc0 [ 385.858330] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.863866] ? check_preemption_disabled+0x48/0x280 [ 385.868902] ? __lock_is_held+0xb5/0x140 [ 385.872982] __alloc_pages_nodemask+0xad8/0xea0 [ 385.877671] ? zap_class+0x640/0x640 [ 385.881392] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 385.886419] ? find_held_lock+0x36/0x1c0 [ 385.890490] ? ____cache_alloc_node+0x1c7/0x1e0 [ 385.895159] ? lock_downgrade+0x900/0x900 [ 385.899319] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.904864] cache_grow_begin+0xa5/0x8c0 [ 385.908928] ? do_raw_spin_unlock+0xa7/0x330 [ 385.913346] fallback_alloc+0x204/0x2e0 [ 385.917325] ____cache_alloc_node+0x1c7/0x1e0 [ 385.921827] kmem_cache_alloc_node+0xe3/0x730 [ 385.926326] ? ipv6_get_ifaddr+0x42e/0x620 [ 385.930570] __alloc_skb+0x119/0x770 [ 385.934283] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 385.939563] ? netdev_alloc_frag+0x1f0/0x1f0 [ 385.943973] ? lock_downgrade+0x900/0x900 [ 385.948133] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.953674] ? refcount_sub_and_test_checked+0x203/0x310 [ 385.959130] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 385.964596] ? addrconf_rs_timer+0x690/0x690 [ 385.969057] ndisc_alloc_skb+0x144/0x340 [ 385.973139] ndisc_send_rs+0x331/0x6e0 [ 385.977041] addrconf_rs_timer+0x314/0x690 [ 385.981285] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.985559] call_timer_fn+0x272/0x920 [ 385.989460] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.993697] ? process_timeout+0x40/0x40 [ 385.997766] ? __run_timers+0x7da/0xc70 [ 386.001743] ? _raw_spin_unlock_irq+0x27/0x80 [ 386.006240] ? _raw_spin_unlock_irq+0x27/0x80 [ 386.010745] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.014983] ? lockdep_hardirqs_on+0x296/0x5b0 [ 386.019573] ? trace_hardirqs_on+0xbd/0x310 [ 386.023895] ? kasan_check_read+0x11/0x20 [ 386.028048] ? __run_timers+0x7da/0xc70 [ 386.032046] ? trace_hardirqs_off_caller+0x310/0x310 [ 386.037155] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.041397] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.045630] __run_timers+0x7e5/0xc70 [ 386.049439] ? timer_fixup_init+0x70/0x70 [ 386.053592] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 386.058608] ? zap_class+0x640/0x640 [ 386.062344] ? enqueue_hrtimer+0x1a5/0x560 [ 386.066592] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 386.071788] ? find_held_lock+0x36/0x1c0 [ 386.075853] ? zap_class+0x640/0x640 [ 386.079588] ? pvclock_read_flags+0x160/0x160 [ 386.084090] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.089629] ? check_preemption_disabled+0x48/0x280 [ 386.094671] ? __lock_is_held+0xb5/0x140 [ 386.098738] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.104279] ? check_preemption_disabled+0x48/0x280 [ 386.109305] run_timer_softirq+0x52/0xb0 [ 386.113366] ? rcu_read_lock_sched_held+0x14f/0x180 [ 386.118403] __do_softirq+0x308/0xb7e [ 386.122282] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 386.126804] ? lock_downgrade+0x900/0x900 [ 386.130953] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 386.136064] ? pvclock_read_flags+0x160/0x160 [ 386.140562] ? lapic_next_event+0x5a/0x90 [ 386.144713] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.150285] ? kvm_clock_read+0x18/0x30 [ 386.154258] ? kvm_sched_clock_read+0x9/0x20 [ 386.158682] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.164251] ? check_preemption_disabled+0x48/0x280 [ 386.169276] irq_exit+0x17f/0x1c0 [ 386.172734] smp_apic_timer_interrupt+0x1cb/0x760 [ 386.177577] ? smp_reschedule_interrupt+0x109/0x650 [ 386.182596] ? smp_call_function_single_interrupt+0x650/0x650 [ 386.188479] ? interrupt_entry+0xb5/0xc0 [ 386.192546] ? trace_hardirqs_off_caller+0xbb/0x310 [ 386.197565] ? trace_hardirqs_off_caller+0xbb/0x310 [ 386.202582] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 386.207428] ? trace_hardirqs_on_caller+0x310/0x310 [ 386.212449] ? trace_hardirqs_on_caller+0x310/0x310 [ 386.217464] ? task_prio+0x50/0x50 [ 386.221008] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.226571] ? check_preemption_disabled+0x48/0x280 [ 386.231605] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 386.236460] apic_timer_interrupt+0xf/0x20 [ 386.240686] [ 386.242929] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 386.247864] Code: 7e 0f 85 cf fe ff ff e8 66 cb 3d ff e9 c5 fe ff ff e8 0d 01 c3 ff 48 83 3d a5 49 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 42 f3 [ 386.266768] RSP: 0018:ffff888195497718 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 386.274483] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 386.281748] RDX: 0000000000000000 RSI: ffff8881d2488b40 RDI: 0000000000000282 [ 386.289026] RBP: ffff888195497780 R08: ffff8881d24882c0 R09: 0000000000000000 [ 386.296291] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 386.303560] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020 [ 386.311327] skb_clone+0x1bb/0x500 [ 386.314882] ? skb_split+0x11e0/0x11e0 [ 386.318818] ? check_preemption_disabled+0x48/0x280 [ 386.323854] ? __this_cpu_preempt_check+0x1c/0x20 [ 386.328702] ? __bpf_redirect+0x55b/0xb60 [ 386.332880] ? __switch_to_asm+0x34/0x70 [ 386.336941] ? __switch_to_asm+0x40/0x70 [ 386.341006] bpf_clone_redirect+0xb9/0x490 [ 386.345262] bpf_prog_3d1649e183dc2cc1+0xaf9/0x1000 [ 386.350281] ? __sched_text_start+0x8/0x8 [ 386.354458] ? find_held_lock+0x36/0x1c0 [ 386.358541] ? lock_acquire+0x1ed/0x520 [ 386.362514] ? bpf_test_run+0x3cb/0x780 [ 386.366490] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.372036] ? check_preemption_disabled+0x48/0x280 [ 386.377074] ? kasan_check_read+0x11/0x20 [ 386.381224] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 386.386499] ? rcu_softirq_qs+0x20/0x20 [ 386.390478] ? preempt_schedule+0x4d/0x60 [ 386.394627] ? ___preempt_schedule+0x16/0x18 [ 386.399054] ? bpf_test_run+0x25d/0x780 [ 386.403061] ? netlink_diag_dump+0x2a0/0x2a0 [ 386.407471] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 386.413007] ? bpf_test_init.isra.10+0x70/0x100 [ 386.417717] ? bpf_prog_test_run_skb+0x73b/0xd10 [ 386.422484] ? bpf_test_finish.isra.9+0x260/0x260 [ 386.427325] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 386.432866] ? fput+0x130/0x1a0 [ 386.436156] ? __bpf_prog_get+0x9b/0x290 [ 386.440220] ? bpf_test_finish.isra.9+0x260/0x260 [ 386.445064] ? bpf_prog_test_run+0x130/0x1a0 [ 386.449473] ? __x64_sys_bpf+0x3db/0x520 [ 386.453533] ? bpf_prog_get+0x20/0x20 [ 386.457358] ? do_syscall_64+0x1b9/0x820 [ 386.461422] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 386.466813] ? syscall_return_slowpath+0x5e0/0x5e0 [ 386.471770] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 386.476611] ? trace_hardirqs_on_caller+0x310/0x310 [ 386.481627] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 386.486652] ? prepare_exit_to_usermode+0x291/0x3b0 [ 386.491676] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 386.496524] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 386.501911] CPU: 0 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #167 [ 386.501977] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 386.508919] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 386.508924] Call Trace: [ 386.508930] [ 386.508946] dump_stack+0x244/0x39d [ 386.508966] ? dump_stack_print_info.cold.1+0x20/0x20 [ 386.515492] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 386.524795] warn_alloc.cold.116+0xb7/0x1bd [ 386.527352] syz-executor0 cpuset=syz0 mems_allowed=0 [ 386.529502] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 386.563003] ? lock_downgrade+0x900/0x900 [ 386.567173] ? trace_hardirqs_off+0xb8/0x310 [ 386.571586] ? trace_hardirqs_off+0xb8/0x310 [ 386.576003] __alloc_pages_slowpath+0x2651/0x2de0 [ 386.580887] ? warn_alloc+0x120/0x120 [ 386.584690] ? print_usage_bug+0xc0/0xc0 [ 386.588753] ? warn_alloc+0x120/0x120 [ 386.592557] ? warn_alloc+0x120/0x120 [ 386.596362] ? print_usage_bug+0xc0/0xc0 [ 386.600432] ? print_usage_bug+0xc0/0xc0 [ 386.604494] ? __lock_acquire+0x62f/0x4c20 [ 386.608741] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 386.614290] ? should_fail+0x22d/0xd01 [ 386.618182] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 386.623286] ? __lock_acquire+0x62f/0x4c20 [ 386.627527] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 386.632629] ? __lock_acquire+0x62f/0x4c20 [ 386.636860] ? should_fail+0x22d/0xd01 [ 386.640747] ? find_held_lock+0x36/0x1c0 [ 386.644815] ? mark_held_locks+0x130/0x130 [ 386.649053] ? mark_held_locks+0x130/0x130 [ 386.653287] ? zap_class+0x640/0x640 [ 386.657001] ? zap_class+0x640/0x640 [ 386.660725] ? print_usage_bug+0xc0/0xc0 [ 386.664786] ? do_raw_spin_unlock+0xa7/0x330 [ 386.669198] ? zap_class+0x640/0x640 [ 386.672915] ? print_usage_bug+0xc0/0xc0 [ 386.676974] ? wq_watchdog_touch+0x9c/0xfe [ 386.681211] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.686748] ? check_preemption_disabled+0x48/0x280 [ 386.691773] ? __lock_is_held+0xb5/0x140 [ 386.695839] __alloc_pages_nodemask+0xad8/0xea0 [ 386.700511] ? zap_class+0x640/0x640 [ 386.704232] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 386.709263] ? find_held_lock+0x36/0x1c0 [ 386.713348] ? ____cache_alloc_node+0x1c7/0x1e0 [ 386.718033] ? lock_downgrade+0x900/0x900 [ 386.722191] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.727736] cache_grow_begin+0xa5/0x8c0 [ 386.731798] ? do_raw_spin_unlock+0xa7/0x330 [ 386.736213] fallback_alloc+0x204/0x2e0 [ 386.740192] ____cache_alloc_node+0x1c7/0x1e0 [ 386.744694] kmem_cache_alloc_node+0xe3/0x730 [ 386.749193] ? ipv6_get_ifaddr+0x42e/0x620 [ 386.753439] __alloc_skb+0x119/0x770 [ 386.757168] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 386.762450] ? netdev_alloc_frag+0x1f0/0x1f0 [ 386.766857] ? lock_downgrade+0x900/0x900 [ 386.771031] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.776584] ? refcount_sub_and_test_checked+0x203/0x310 [ 386.782060] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 386.787515] ? addrconf_rs_timer+0x690/0x690 [ 386.791933] ndisc_alloc_skb+0x144/0x340 [ 386.796001] ndisc_send_rs+0x331/0x6e0 [ 386.799900] addrconf_rs_timer+0x314/0x690 [ 386.804159] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.808412] call_timer_fn+0x272/0x920 [ 386.812298] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.816531] ? process_timeout+0x40/0x40 [ 386.820602] ? mark_held_locks+0xc7/0x130 [ 386.824754] ? _raw_spin_unlock_irq+0x27/0x80 [ 386.829249] ? _raw_spin_unlock_irq+0x27/0x80 [ 386.833790] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.838051] ? lockdep_hardirqs_on+0x296/0x5b0 [ 386.842637] ? trace_hardirqs_on+0xbd/0x310 [ 386.846993] ? kasan_check_read+0x11/0x20 [ 386.851149] ? __run_timers+0x7da/0xc70 [ 386.855125] ? trace_hardirqs_off_caller+0x310/0x310 [ 386.860238] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.864477] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.868709] __run_timers+0x7e5/0xc70 [ 386.872523] ? timer_fixup_init+0x70/0x70 [ 386.876676] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 386.881696] ? zap_class+0x640/0x640 [ 386.885415] ? print_usage_bug+0xc0/0xc0 [ 386.889478] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 386.894676] ? find_held_lock+0x36/0x1c0 [ 386.898758] ? zap_class+0x640/0x640 [ 386.902481] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.908029] ? check_preemption_disabled+0x48/0x280 [ 386.913061] ? __lock_is_held+0xb5/0x140 [ 386.917125] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.922666] ? check_preemption_disabled+0x48/0x280 [ 386.927685] run_timer_softirq+0x52/0xb0 [ 386.931745] ? rcu_read_lock_sched_held+0x14f/0x180 [ 386.936789] __do_softirq+0x308/0xb7e [ 386.940596] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 386.945088] ? lock_downgrade+0x900/0x900 [ 386.949243] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 386.954356] ? pvclock_read_flags+0x160/0x160 [ 386.958857] ? lapic_next_event+0x5a/0x90 [ 386.963004] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.968557] ? kvm_clock_read+0x18/0x30 [ 386.972538] ? kvm_sched_clock_read+0x9/0x20 [ 386.976946] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 386.982483] ? check_preemption_disabled+0x48/0x280 [ 386.987509] irq_exit+0x17f/0x1c0 [ 386.990962] smp_apic_timer_interrupt+0x1cb/0x760 [ 386.995802] ? smp_reschedule_interrupt+0x109/0x650 [ 387.000821] ? smp_call_function_single_interrupt+0x650/0x650 [ 387.006707] ? interrupt_entry+0xb5/0xc0 [ 387.010771] ? trace_hardirqs_off_caller+0xbb/0x310 [ 387.015787] ? trace_hardirqs_off_caller+0xbb/0x310 [ 387.020805] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 387.025643] ? trace_hardirqs_on_caller+0x310/0x310 [ 387.030672] ? trace_hardirqs_on_caller+0x310/0x310 [ 387.035695] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 387.040545] apic_timer_interrupt+0xf/0x20 [ 387.044772] [ 387.047022] RIP: 0010:dump_stack+0x358/0x39d [ 387.051445] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 f1 36 ed f9 48 83 3d f9 27 7c 01 00 0f 84 63 fe ff ff e8 6e b7 a9 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b b7 a9 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 387.070345] RSP: 0000:ffff8881bb40e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 387.078060] RAX: ffff8881c2208180 RBX: 1ffffffff12a3f6e RCX: 1ffff1103844114e [ 387.085327] RDX: 0000000000000000 RSI: ffffffff87d5d382 RDI: 0000000000000293 [ 387.092604] RBP: ffff8881bb40e290 R08: ffff8881c2208a70 R09: 0000000000000006 [ 387.099868] R10: 0000000000000000 R11: ffff8881c2208180 R12: 1ffff11037681c45 [ 387.107135] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 387.114424] ? dump_stack+0x34f/0x39d [ 387.118263] ? dump_stack_print_info.cold.1+0x20/0x20 [ 387.123470] ? mark_held_locks+0x130/0x130 [ 387.127718] ? mark_held_locks+0x130/0x130 [ 387.131960] dump_header+0x27b/0xf72 [ 387.135687] ? pagefault_out_of_memory+0x197/0x197 [ 387.140624] ? __lock_acquire+0x62f/0x4c20 [ 387.144873] ? percpu_ref_get_many+0x240/0x240 [ 387.149456] ? print_usage_bug+0xc0/0xc0 [ 387.153525] ? zap_class+0x640/0x640 [ 387.157239] ? print_usage_bug+0xc0/0xc0 [ 387.161301] ? print_usage_bug+0xc0/0xc0 [ 387.165362] ? zap_class+0x640/0x640 [ 387.169098] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.174639] ? find_held_lock+0x36/0x1c0 [ 387.178714] ? mark_held_locks+0xc7/0x130 [ 387.182991] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 387.188101] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 387.193205] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 387.197790] ? trace_hardirqs_on+0xbd/0x310 [ 387.202111] ? kasan_check_read+0x11/0x20 [ 387.206259] ? ___ratelimit+0x3b4/0x672 [ 387.210238] ? trace_hardirqs_off_caller+0x310/0x310 [ 387.215345] ? trace_hardirqs_on+0x310/0x310 [ 387.219759] ? lock_downgrade+0x900/0x900 [ 387.223912] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 387.229027] ? ___ratelimit+0x3b9/0x672 [ 387.233005] ? idr_get_free+0xf70/0xf70 [ 387.236990] ? find_held_lock+0x36/0x1c0 [ 387.241070] oom_kill_process.cold.27+0x10/0x903 [ 387.245824] ? zap_class+0x640/0x640 [ 387.249534] ? check_preemption_disabled+0x48/0x280 [ 387.254550] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 387.259480] ? kasan_check_read+0x11/0x20 [ 387.263626] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 387.268902] ? oom_evaluate_task+0x540/0x540 [ 387.273316] ? find_held_lock+0x36/0x1c0 [ 387.277393] ? out_of_memory+0x974/0x1430 [ 387.281535] ? lock_downgrade+0x900/0x900 [ 387.285676] ? check_preemption_disabled+0x48/0x280 [ 387.290729] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 387.295659] ? kasan_check_read+0x11/0x20 [ 387.299808] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 387.305096] ? rcu_softirq_qs+0x20/0x20 [ 387.309073] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 387.314605] ? oom_evaluate_task+0x302/0x540 [ 387.319070] out_of_memory+0xa84/0x1430 [ 387.323058] ? oom_killer_disable+0x3a0/0x3a0 [ 387.327559] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 387.332493] ? __ww_mutex_check_waiters+0x160/0x160 [ 387.337523] __alloc_pages_slowpath+0x232c/0x2de0 [ 387.342401] ? warn_alloc+0x120/0x120 [ 387.346200] ? mark_held_locks+0x130/0x130 [ 387.350444] ? find_get_entry+0xaae/0x1120 [ 387.354687] ? filemap_map_pages+0x1a20/0x1a20 [ 387.359287] ? zap_class+0x640/0x640 [ 387.363008] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.368555] ? check_preemption_disabled+0x48/0x280 [ 387.373580] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 387.379122] ? should_fail+0x22d/0xd01 [ 387.383025] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 387.388136] ? zap_class+0x640/0x640 [ 387.391877] ? __lock_is_held+0xb5/0x140 [ 387.395947] ? mark_held_locks+0x130/0x130 [ 387.400188] ? lock_release+0xa00/0xa00 [ 387.404164] ? perf_trace_sched_process_exec+0x860/0x860 [ 387.409621] ? xa_load+0x2ba/0x460 [ 387.413168] ? lock_downgrade+0x900/0x900 [ 387.417328] ? __might_sleep+0x95/0x190 [ 387.421327] __alloc_pages_nodemask+0xad8/0xea0 [ 387.426010] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 387.431051] ? __page_cache_alloc+0x191/0x5c0 [ 387.435575] ? xa_load+0x2e1/0x460 [ 387.439120] ? xa_clear_mark+0x40/0x40 [ 387.443011] ? zap_class+0x640/0x640 [ 387.446742] ? zap_class+0x640/0x640 [ 387.450459] ? zap_class+0x640/0x640 [ 387.454180] ? __do_page_cache_readahead+0x663/0x810 [ 387.459292] ? find_held_lock+0x36/0x1c0 [ 387.463364] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 387.468916] alloc_pages_current+0x173/0x350 [ 387.473335] __page_cache_alloc+0x38c/0x5c0 [ 387.477655] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 387.482586] ? kasan_check_read+0x11/0x20 [ 387.486736] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 387.492042] ? generic_perform_write+0x6a0/0x6a0 [ 387.496799] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 387.502350] ? check_preemption_disabled+0x48/0x280 [ 387.507397] filemap_fault+0x1595/0x25f0 [ 387.511477] ? __lock_page_or_retry+0xa00/0xa00 [ 387.516155] ? mark_held_locks+0x130/0x130 [ 387.520408] ? filemap_map_pages+0xd6b/0x1a20 [ 387.524912] ? lock_downgrade+0x900/0x900 [ 387.529086] ? check_preemption_disabled+0x48/0x280 [ 387.534105] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 387.539039] ? kasan_check_read+0x11/0x20 [ 387.543192] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 387.548467] ? rcu_softirq_qs+0x20/0x20 [ 387.552460] ? filemap_map_pages+0xd92/0x1a20 [ 387.556969] ? find_get_entries_tag+0x1400/0x1400 [ 387.561818] ? debug_object_destroy+0x2b0/0x2b0 [ 387.566495] ? lock_pi_update_atomic+0x150/0x150 [ 387.571251] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.576805] ? lock_acquire+0x1ed/0x520 [ 387.580779] ? ext4_filemap_fault+0x7a/0xad [ 387.585107] ? lock_release+0xa00/0xa00 [ 387.589096] ? perf_trace_sched_process_exec+0x860/0x860 [ 387.594550] ? print_usage_bug+0xc0/0xc0 [ 387.598613] ? print_usage_bug+0xc0/0xc0 [ 387.602689] ? down_read+0x8d/0x120 [ 387.606314] ? ext4_filemap_fault+0x7a/0xad [ 387.610637] ? __down_interruptible+0x700/0x700 [ 387.615323] ext4_filemap_fault+0x82/0xad [ 387.619477] __do_fault+0x100/0x6b0 [ 387.623123] ? find_held_lock+0x36/0x1c0 [ 387.627188] ? pmd_devmap_trans_unstable+0x220/0x220 [ 387.632293] ? mark_held_locks+0x130/0x130 [ 387.636532] ? mark_held_locks+0x130/0x130 [ 387.640771] ? debug_smp_processor_id+0x1c/0x20 [ 387.645448] ? perf_trace_lock+0x14d/0x7a0 [ 387.649707] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 387.655253] __handle_mm_fault+0x3ea0/0x5be0 [ 387.659672] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 387.664520] ? lock_is_held_type+0x210/0x210 [ 387.668934] ? __switch_to_asm+0x34/0x70 [ 387.672994] ? __switch_to_asm+0x34/0x70 [ 387.677078] ? zap_class+0x640/0x640 [ 387.680795] ? zap_class+0x640/0x640 [ 387.684507] ? __x64_sys_futex+0x53e/0x6a0 [ 387.688751] ? find_held_lock+0x36/0x1c0 [ 387.692860] ? handle_mm_fault+0x42a/0xc70 [ 387.697099] ? lock_downgrade+0x900/0x900 [ 387.701250] ? check_preemption_disabled+0x48/0x280 [ 387.706269] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 387.711197] ? kasan_check_read+0x11/0x20 [ 387.715342] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 387.720623] ? rcu_softirq_qs+0x20/0x20 [ 387.724611] ? trace_hardirqs_off_caller+0x310/0x310 [ 387.729717] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 387.735260] ? check_preemption_disabled+0x48/0x280 [ 387.740284] handle_mm_fault+0x54f/0xc70 [ 387.744349] ? __handle_mm_fault+0x5be0/0x5be0 [ 387.748944] ? find_vma+0x34/0x190 [ 387.752487] __do_page_fault+0x5e8/0xe60 [ 387.756549] ? trace_hardirqs_off+0xb8/0x310 [ 387.760987] do_page_fault+0xf2/0x7e0 [ 387.764796] ? vmalloc_sync_all+0x30/0x30 [ 387.768965] ? error_entry+0x70/0xd0 [ 387.772681] ? trace_hardirqs_off_caller+0xbb/0x310 [ 387.777698] ? trace_hardirqs_on_caller+0xc0/0x310 [ 387.782632] ? syscall_return_slowpath+0x5e0/0x5e0 [ 387.787565] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 387.792414] ? trace_hardirqs_on_caller+0x310/0x310 [ 387.797430] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 387.802902] ? prepare_exit_to_usermode+0x291/0x3b0 [ 387.807969] ? page_fault+0x8/0x30 [ 387.811516] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 387.816418] ? page_fault+0x8/0x30 [ 387.819956] page_fault+0x1e/0x30 [ 387.823412] RIP: 0033:0x45ddf3 [ 387.826625] Code: Bad RIP value. [ 387.829984] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 387.835351] RAX: ffffffffffffff92 RBX: 0000000028898d51 RCX: 000000000045ddf3 [ 387.842621] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014f1120 [ 387.849888] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 387.857157] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 387.864440] R13: 000000c42841fe60 R14: 0000000000000001 R15: 0000000000000000 [ 387.871734] warn_alloc_show_mem: 1 callbacks suppressed [ 387.871746] CPU: 1 PID: 16798 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #167 [ 387.871748] Mem-Info: [ 387.871794] active_anon:45985 inactive_anon:296 isolated_anon:0 [ 387.871794] active_file:15 inactive_file:8 isolated_file:0 [ 387.871794] unevictable:0 dirty:0 writeback:0 unstable:0 [ 387.871794] slab_reclaimable:9236 slab_unreclaimable:1461135 [ 387.871794] mapped:40979 shmem:353 pagetables:587 bounce:0 [ 387.871794] free:13771 free_pcp:249 free_cma:0 [ 387.877127] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 387.877136] Call Trace: [ 387.884507] Node 0 active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1412kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 387.886906] [ 387.919695] 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 [ 387.929068] dump_stack+0x244/0x39d [ 387.931630] lowmem_reserve[]: 0 2818 6321 6321 [ 387.959344] ? dump_stack_print_info.cold.1+0x20/0x20 [ 387.961467] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:404kB local_pcp:156kB free_cma:0kB [ 387.987592] warn_alloc.cold.116+0xb7/0x1bd [ 387.991201] lowmem_reserve[]: 0 0 3503 3503 [ 387.995787] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 388.000948] Node 0 Normal free:14000kB min:37364kB low:46704kB high:56044kB active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2348kB bounce:0kB free_pcp:592kB local_pcp:388kB free_cma:0kB [ 388.028457] ? lock_downgrade+0x900/0x900 [ 388.032753] lowmem_reserve[]: 0 0 0 0 [ 388.037099] ? trace_hardirqs_off+0xb8/0x310 [ 388.041909] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 388.070900] ? trace_hardirqs_off+0xb8/0x310 [ 388.075057] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 2*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 388.078896] __alloc_pages_slowpath+0x2651/0x2de0 [ 388.083263] Node 0 Normal: 794*4kB (MEH) 441*8kB (UMEH) 176*16kB (UME) 69*32kB (UMEH) 18*64kB (UM) 1*128kB (U) 2*256kB (U) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14032kB [ 388.096844] ? warn_alloc+0x120/0x120 [ 388.101214] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 388.116302] ? print_usage_bug+0xc0/0xc0 [ 388.121128] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 388.136563] ? warn_alloc+0x120/0x120 [ 388.140340] 376 total pagecache pages [ 388.149184] ? warn_alloc+0x120/0x120 [ 388.153226] 0 pages in swap cache [ 388.161800] ? print_usage_bug+0xc0/0xc0 [ 388.165575] Swap cache stats: add 0, delete 0, find 0/0 [ 388.169372] ? print_usage_bug+0xc0/0xc0 [ 388.173147] Free swap = 0kB [ 388.176603] ? __lock_acquire+0x62f/0x4c20 [ 388.180634] Total swap = 0kB [ 388.185997] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 388.190060] 1965979 pages RAM [ 388.193161] ? should_fail+0x22d/0xd01 [ 388.197384] 0 pages HighMem/MovableOnly [ 388.197393] 342854 pages reserved [ 388.200413] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 388.205914] 0 pages cma reserved [ 388.209055] ? __lock_acquire+0x62f/0x4c20 [ 388.213025] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 388.216932] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 388.220468] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 388.225462] ? __lock_acquire+0x62f/0x4c20 [ 388.228809] syz-fuzzer cpuset=/ mems_allowed=0 [ 388.233075] ? should_fail+0x22d/0xd01 [ 388.267554] ? find_held_lock+0x36/0x1c0 [ 388.271630] ? mark_held_locks+0x130/0x130 [ 388.275900] ? mark_held_locks+0x130/0x130 [ 388.280162] ? zap_class+0x640/0x640 [ 388.283886] ? zap_class+0x640/0x640 [ 388.287603] ? print_usage_bug+0xc0/0xc0 [ 388.291666] ? do_raw_spin_unlock+0xa7/0x330 [ 388.296078] ? zap_class+0x640/0x640 [ 388.299792] ? print_usage_bug+0xc0/0xc0 [ 388.303852] ? wq_watchdog_touch+0x9c/0xfe [ 388.308097] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.314161] ? check_preemption_disabled+0x48/0x280 [ 388.319191] ? __lock_is_held+0xb5/0x140 [ 388.323260] __alloc_pages_nodemask+0xad8/0xea0 [ 388.327931] ? zap_class+0x640/0x640 [ 388.331652] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 388.336678] ? find_held_lock+0x36/0x1c0 [ 388.340781] ? ____cache_alloc_node+0x1c7/0x1e0 [ 388.345483] ? lock_downgrade+0x900/0x900 [ 388.349638] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.355179] cache_grow_begin+0xa5/0x8c0 [ 388.359243] ? do_raw_spin_unlock+0xa7/0x330 [ 388.363664] fallback_alloc+0x204/0x2e0 [ 388.367659] ____cache_alloc_node+0x1c7/0x1e0 [ 388.372163] kmem_cache_alloc_node+0xe3/0x730 [ 388.376661] ? ipv6_get_ifaddr+0x42e/0x620 [ 388.380910] __alloc_skb+0x119/0x770 [ 388.384622] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 388.389904] ? netdev_alloc_frag+0x1f0/0x1f0 [ 388.394327] ? lock_downgrade+0x900/0x900 [ 388.398499] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.404042] ? refcount_sub_and_test_checked+0x203/0x310 [ 388.409501] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 388.414957] ? addrconf_rs_timer+0x690/0x690 [ 388.419396] ndisc_alloc_skb+0x144/0x340 [ 388.423463] ndisc_send_rs+0x331/0x6e0 [ 388.427359] addrconf_rs_timer+0x314/0x690 [ 388.431601] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.435849] call_timer_fn+0x272/0x920 [ 388.439753] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.443989] ? process_timeout+0x40/0x40 [ 388.448066] ? __run_timers+0x7da/0xc70 [ 388.452049] ? _raw_spin_unlock_irq+0x27/0x80 [ 388.456556] ? _raw_spin_unlock_irq+0x27/0x80 [ 388.461054] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.465292] ? lockdep_hardirqs_on+0x296/0x5b0 [ 388.469885] ? trace_hardirqs_on+0xbd/0x310 [ 388.474212] ? kasan_check_read+0x11/0x20 [ 388.478360] ? __run_timers+0x7da/0xc70 [ 388.482339] ? trace_hardirqs_off_caller+0x310/0x310 [ 388.487447] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.491716] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.495944] __run_timers+0x7e5/0xc70 [ 388.499769] ? timer_fixup_init+0x70/0x70 [ 388.503934] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 388.508965] ? zap_class+0x640/0x640 [ 388.512688] ? enqueue_hrtimer+0x1a5/0x560 [ 388.516943] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 388.522159] ? find_held_lock+0x36/0x1c0 [ 388.526223] ? zap_class+0x640/0x640 [ 388.529943] ? pvclock_read_flags+0x160/0x160 [ 388.534446] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.539987] ? check_preemption_disabled+0x48/0x280 [ 388.545028] ? __lock_is_held+0xb5/0x140 [ 388.549092] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.554628] ? check_preemption_disabled+0x48/0x280 [ 388.559648] run_timer_softirq+0x52/0xb0 [ 388.563722] ? rcu_read_lock_sched_held+0x14f/0x180 [ 388.568740] __do_softirq+0x308/0xb7e [ 388.572546] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 388.577046] ? lock_downgrade+0x900/0x900 [ 388.581199] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 388.586313] ? pvclock_read_flags+0x160/0x160 [ 388.590842] ? lapic_next_event+0x5a/0x90 [ 388.594997] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.600548] ? kvm_clock_read+0x18/0x30 [ 388.604522] ? kvm_sched_clock_read+0x9/0x20 [ 388.608932] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.614474] ? check_preemption_disabled+0x48/0x280 [ 388.619502] irq_exit+0x17f/0x1c0 [ 388.622956] smp_apic_timer_interrupt+0x1cb/0x760 [ 388.627797] ? smp_reschedule_interrupt+0x109/0x650 [ 388.632816] ? smp_call_function_single_interrupt+0x650/0x650 [ 388.638719] ? interrupt_entry+0xb5/0xc0 [ 388.642792] ? trace_hardirqs_off_caller+0xbb/0x310 [ 388.647805] ? trace_hardirqs_off_caller+0xbb/0x310 [ 388.652859] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 388.657724] ? trace_hardirqs_on_caller+0x310/0x310 [ 388.662792] ? trace_hardirqs_on_caller+0x310/0x310 [ 388.667836] ? task_prio+0x50/0x50 [ 388.671377] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.676917] ? check_preemption_disabled+0x48/0x280 [ 388.681940] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 388.686789] apic_timer_interrupt+0xf/0x20 [ 388.691025] [ 388.693266] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 388.698198] Code: 7e 0f 85 cf fe ff ff e8 66 cb 3d ff e9 c5 fe ff ff e8 0d 01 c3 ff 48 83 3d a5 49 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 42 f3 [ 388.717095] RSP: 0018:ffff888195497718 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 388.724804] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 388.732087] RDX: 0000000000000000 RSI: ffff8881d2488b40 RDI: 0000000000000282 [ 388.739355] RBP: ffff888195497780 R08: ffff8881d24882c0 R09: 0000000000000000 [ 388.746620] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 388.753907] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020 [ 388.761210] skb_clone+0x1bb/0x500 [ 388.764770] ? skb_split+0x11e0/0x11e0 [ 388.768660] ? check_preemption_disabled+0x48/0x280 [ 388.773682] ? __this_cpu_preempt_check+0x1c/0x20 [ 388.778521] ? __bpf_redirect+0x55b/0xb60 [ 388.782668] ? __switch_to_asm+0x34/0x70 [ 388.786724] ? __switch_to_asm+0x40/0x70 [ 388.790784] bpf_clone_redirect+0xb9/0x490 [ 388.795036] bpf_prog_3d1649e183dc2cc1+0xaf9/0x1000 [ 388.800056] ? __sched_text_start+0x8/0x8 [ 388.804218] ? find_held_lock+0x36/0x1c0 [ 388.808316] ? lock_acquire+0x1ed/0x520 [ 388.812305] ? bpf_test_run+0x3cb/0x780 [ 388.816280] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.821821] ? check_preemption_disabled+0x48/0x280 [ 388.826840] ? kasan_check_read+0x11/0x20 [ 388.830986] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 388.836269] ? rcu_softirq_qs+0x20/0x20 [ 388.840243] ? preempt_schedule+0x4d/0x60 [ 388.844387] ? ___preempt_schedule+0x16/0x18 [ 388.848806] ? bpf_test_run+0x25d/0x780 [ 388.852792] ? netlink_diag_dump+0x2a0/0x2a0 [ 388.857205] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 388.862756] ? bpf_test_init.isra.10+0x70/0x100 [ 388.867441] ? bpf_prog_test_run_skb+0x73b/0xd10 [ 388.872204] ? bpf_test_finish.isra.9+0x260/0x260 [ 388.877047] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 388.882582] ? fput+0x130/0x1a0 [ 388.885864] ? __bpf_prog_get+0x9b/0x290 [ 388.889936] ? bpf_test_finish.isra.9+0x260/0x260 [ 388.894779] ? bpf_prog_test_run+0x130/0x1a0 [ 388.899195] ? __x64_sys_bpf+0x3db/0x520 [ 388.903255] ? bpf_prog_get+0x20/0x20 [ 388.907083] ? do_syscall_64+0x1b9/0x820 [ 388.911144] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 388.916512] ? syscall_return_slowpath+0x5e0/0x5e0 [ 388.921455] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 388.926331] ? trace_hardirqs_on_caller+0x310/0x310 [ 388.931362] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 388.936380] ? prepare_exit_to_usermode+0x291/0x3b0 [ 388.941402] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 388.946255] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 388.951636] CPU: 0 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #167 [ 388.951704] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 388.958648] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 388.958653] Call Trace: [ 388.958659] [ 388.958678] dump_stack+0x244/0x39d [ 388.958696] ? dump_stack_print_info.cold.1+0x20/0x20 [ 388.965217] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 388.974520] warn_alloc.cold.116+0xb7/0x1bd [ 388.977075] syz-executor0 cpuset=syz0 mems_allowed=0 [ 388.979214] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 389.012673] ? lock_downgrade+0x900/0x900 [ 389.016840] ? trace_hardirqs_off+0xb8/0x310 [ 389.021255] ? trace_hardirqs_off+0xb8/0x310 [ 389.025672] __alloc_pages_slowpath+0x2651/0x2de0 [ 389.030560] ? warn_alloc+0x120/0x120 [ 389.034375] ? print_usage_bug+0xc0/0xc0 [ 389.038444] ? warn_alloc+0x120/0x120 [ 389.042294] ? warn_alloc+0x120/0x120 [ 389.046100] ? print_usage_bug+0xc0/0xc0 [ 389.050166] ? kvm_clock_read+0x18/0x30 [ 389.054142] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 389.059156] ? print_usage_bug+0xc0/0xc0 [ 389.063217] ? __lock_acquire+0x62f/0x4c20 [ 389.067471] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 389.073012] ? should_fail+0x22d/0xd01 [ 389.076910] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 389.082194] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 389.087331] ? __lock_acquire+0x62f/0x4c20 [ 389.091573] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 389.096674] ? __lock_acquire+0x62f/0x4c20 [ 389.100907] ? should_fail+0x22d/0xd01 [ 389.104792] ? rcu_irq_exit+0x1a2/0x390 [ 389.108773] ? mark_held_locks+0x130/0x130 [ 389.113012] ? mark_held_locks+0x130/0x130 [ 389.117294] ? mark_held_locks+0xc7/0x130 [ 389.121442] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 389.126462] ? zap_class+0x640/0x640 [ 389.130194] ? print_usage_bug+0xc0/0xc0 [ 389.134256] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.139794] ? check_preemption_disabled+0x48/0x280 [ 389.144817] ? __lock_is_held+0xb5/0x140 [ 389.148894] __alloc_pages_nodemask+0xad8/0xea0 [ 389.153560] ? zap_class+0x640/0x640 [ 389.157282] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 389.162309] ? find_held_lock+0x36/0x1c0 [ 389.166396] ? ____cache_alloc_node+0x1c7/0x1e0 [ 389.171067] ? lock_downgrade+0x900/0x900 [ 389.175224] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.180907] cache_grow_begin+0xa5/0x8c0 [ 389.184982] ? do_raw_spin_unlock+0xa7/0x330 [ 389.189408] fallback_alloc+0x204/0x2e0 [ 389.193399] ____cache_alloc_node+0x1c7/0x1e0 [ 389.197899] kmem_cache_alloc_node+0xe3/0x730 [ 389.202403] ? ipv6_get_ifaddr+0x42e/0x620 [ 389.206646] __alloc_skb+0x119/0x770 [ 389.210356] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 389.215643] ? netdev_alloc_frag+0x1f0/0x1f0 [ 389.220054] ? lock_downgrade+0x900/0x900 [ 389.224209] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.229748] ? refcount_sub_and_test_checked+0x203/0x310 [ 389.235200] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 389.240649] ? addrconf_rs_timer+0x690/0x690 [ 389.245086] ndisc_alloc_skb+0x144/0x340 [ 389.249156] ndisc_send_rs+0x331/0x6e0 [ 389.253054] addrconf_rs_timer+0x314/0x690 [ 389.257295] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.261538] call_timer_fn+0x272/0x920 [ 389.265433] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.269672] ? process_timeout+0x40/0x40 [ 389.273741] ? mark_held_locks+0xc7/0x130 [ 389.277890] ? _raw_spin_unlock_irq+0x27/0x80 [ 389.282395] ? _raw_spin_unlock_irq+0x27/0x80 [ 389.286889] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.291125] ? lockdep_hardirqs_on+0x296/0x5b0 [ 389.295708] ? trace_hardirqs_on+0xbd/0x310 [ 389.300050] ? kasan_check_read+0x11/0x20 [ 389.304200] ? __run_timers+0x7da/0xc70 [ 389.308179] ? trace_hardirqs_off_caller+0x310/0x310 [ 389.313286] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.317524] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.321759] __run_timers+0x7e5/0xc70 [ 389.325567] ? timer_fixup_init+0x70/0x70 [ 389.329716] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 389.334738] ? zap_class+0x640/0x640 [ 389.338469] ? print_usage_bug+0xc0/0xc0 [ 389.342533] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 389.347734] ? find_held_lock+0x36/0x1c0 [ 389.351799] ? zap_class+0x640/0x640 [ 389.355522] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.361060] ? check_preemption_disabled+0x48/0x280 [ 389.366119] ? __lock_is_held+0xb5/0x140 [ 389.370196] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.375754] ? check_preemption_disabled+0x48/0x280 [ 389.380775] run_timer_softirq+0x52/0xb0 [ 389.384836] ? rcu_read_lock_sched_held+0x14f/0x180 [ 389.389868] __do_softirq+0x308/0xb7e [ 389.393676] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 389.398193] ? lock_downgrade+0x900/0x900 [ 389.402350] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 389.407469] ? pvclock_read_flags+0x160/0x160 [ 389.411982] ? lapic_next_event+0x5a/0x90 [ 389.416139] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.421695] ? kvm_clock_read+0x18/0x30 [ 389.425670] ? kvm_sched_clock_read+0x9/0x20 [ 389.430079] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 389.435629] ? check_preemption_disabled+0x48/0x280 [ 389.440655] irq_exit+0x17f/0x1c0 [ 389.444113] smp_apic_timer_interrupt+0x1cb/0x760 [ 389.448957] ? smp_reschedule_interrupt+0x109/0x650 [ 389.453971] ? smp_call_function_single_interrupt+0x650/0x650 [ 389.459851] ? interrupt_entry+0xb5/0xc0 [ 389.463910] ? trace_hardirqs_off_caller+0xbb/0x310 [ 389.468939] ? trace_hardirqs_off_caller+0xbb/0x310 [ 389.473958] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 389.478815] ? trace_hardirqs_on_caller+0x310/0x310 [ 389.483829] ? trace_hardirqs_on_caller+0x310/0x310 [ 389.488857] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 389.493714] apic_timer_interrupt+0xf/0x20 [ 389.497957] [ 389.500196] RIP: 0010:dump_stack+0x358/0x39d [ 389.504605] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 f1 36 ed f9 48 83 3d f9 27 7c 01 00 0f 84 63 fe ff ff e8 6e b7 a9 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b b7 a9 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 389.523504] RSP: 0000:ffff8881bb40e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 389.531211] RAX: ffff8881c2208180 RBX: 1ffffffff12a3f6e RCX: 1ffff1103844114e [ 389.538481] RDX: 0000000000000000 RSI: ffffffff87d5d382 RDI: 0000000000000293 [ 389.545745] RBP: ffff8881bb40e290 R08: ffff8881c2208a70 R09: 0000000000000006 [ 389.553007] R10: 0000000000000000 R11: ffff8881c2208180 R12: 1ffff11037681c45 [ 389.560281] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 389.567568] ? dump_stack+0x34f/0x39d [ 389.571387] ? dump_stack_print_info.cold.1+0x20/0x20 [ 389.576577] ? mark_held_locks+0x130/0x130 [ 389.580810] ? mark_held_locks+0x130/0x130 [ 389.585057] dump_header+0x27b/0xf72 [ 389.588781] ? pagefault_out_of_memory+0x197/0x197 [ 389.593734] ? __lock_acquire+0x62f/0x4c20 [ 389.597973] ? percpu_ref_get_many+0x240/0x240 [ 389.602560] ? print_usage_bug+0xc0/0xc0 [ 389.606626] ? zap_class+0x640/0x640 [ 389.610341] ? print_usage_bug+0xc0/0xc0 [ 389.614406] ? print_usage_bug+0xc0/0xc0 [ 389.618469] ? zap_class+0x640/0x640 [ 389.622188] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.627736] ? find_held_lock+0x36/0x1c0 [ 389.631854] ? mark_held_locks+0xc7/0x130 [ 389.636004] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 389.641112] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 389.646232] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 389.650810] ? trace_hardirqs_on+0xbd/0x310 [ 389.655126] ? kasan_check_read+0x11/0x20 [ 389.659271] ? ___ratelimit+0x3b4/0x672 [ 389.663242] ? trace_hardirqs_off_caller+0x310/0x310 [ 389.668340] ? trace_hardirqs_on+0x310/0x310 [ 389.672745] ? lock_downgrade+0x900/0x900 [ 389.676907] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 389.682008] ? ___ratelimit+0x3b9/0x672 [ 389.686001] ? idr_get_free+0xf70/0xf70 [ 389.689980] ? find_held_lock+0x36/0x1c0 [ 389.694071] oom_kill_process.cold.27+0x10/0x903 [ 389.698826] ? zap_class+0x640/0x640 [ 389.702535] ? check_preemption_disabled+0x48/0x280 [ 389.707564] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 389.712489] ? kasan_check_read+0x11/0x20 [ 389.716636] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 389.721916] ? oom_evaluate_task+0x540/0x540 [ 389.726347] ? find_held_lock+0x36/0x1c0 [ 389.730418] ? out_of_memory+0x974/0x1430 [ 389.734583] ? lock_downgrade+0x900/0x900 [ 389.738766] ? check_preemption_disabled+0x48/0x280 [ 389.743797] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 389.748724] ? kasan_check_read+0x11/0x20 [ 389.752871] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 389.758164] ? rcu_softirq_qs+0x20/0x20 [ 389.762145] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 389.767678] ? oom_evaluate_task+0x302/0x540 [ 389.772105] out_of_memory+0xa84/0x1430 [ 389.776086] ? oom_killer_disable+0x3a0/0x3a0 [ 389.780583] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 389.785516] ? __ww_mutex_check_waiters+0x160/0x160 [ 389.790548] __alloc_pages_slowpath+0x232c/0x2de0 [ 389.795427] ? warn_alloc+0x120/0x120 [ 389.799224] ? mark_held_locks+0x130/0x130 [ 389.803482] ? find_get_entry+0xaae/0x1120 [ 389.807726] ? filemap_map_pages+0x1a20/0x1a20 [ 389.812317] ? zap_class+0x640/0x640 [ 389.816041] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.821580] ? check_preemption_disabled+0x48/0x280 [ 389.826596] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 389.832151] ? should_fail+0x22d/0xd01 [ 389.836060] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 389.841164] ? zap_class+0x640/0x640 [ 389.844904] ? __lock_is_held+0xb5/0x140 [ 389.848987] ? mark_held_locks+0x130/0x130 [ 389.853231] ? lock_release+0xa00/0xa00 [ 389.857206] ? perf_trace_sched_process_exec+0x860/0x860 [ 389.862653] ? xa_load+0x2ba/0x460 [ 389.866196] ? lock_downgrade+0x900/0x900 [ 389.870357] ? __might_sleep+0x95/0x190 [ 389.874355] __alloc_pages_nodemask+0xad8/0xea0 [ 389.879071] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 389.884104] ? __page_cache_alloc+0x191/0x5c0 [ 389.888596] ? xa_load+0x2e1/0x460 [ 389.892136] ? xa_clear_mark+0x40/0x40 [ 389.896037] ? zap_class+0x640/0x640 [ 389.899759] ? zap_class+0x640/0x640 [ 389.903477] ? zap_class+0x640/0x640 [ 389.907192] ? __do_page_cache_readahead+0x663/0x810 [ 389.912300] ? find_held_lock+0x36/0x1c0 [ 389.916368] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 389.921972] alloc_pages_current+0x173/0x350 [ 389.926393] __page_cache_alloc+0x38c/0x5c0 [ 389.930713] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 389.935639] ? kasan_check_read+0x11/0x20 [ 389.939785] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 389.945081] ? generic_perform_write+0x6a0/0x6a0 [ 389.949834] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 389.955369] ? check_preemption_disabled+0x48/0x280 [ 389.960401] filemap_fault+0x1595/0x25f0 [ 389.964488] ? __lock_page_or_retry+0xa00/0xa00 [ 389.969169] ? mark_held_locks+0x130/0x130 [ 389.973437] ? filemap_map_pages+0xd6b/0x1a20 [ 389.977929] ? lock_downgrade+0x900/0x900 [ 389.982075] ? check_preemption_disabled+0x48/0x280 [ 389.987091] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 389.992027] ? kasan_check_read+0x11/0x20 [ 389.996174] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 390.001482] ? rcu_softirq_qs+0x20/0x20 [ 390.005482] ? filemap_map_pages+0xd92/0x1a20 [ 390.009989] ? find_get_entries_tag+0x1400/0x1400 [ 390.014837] ? debug_object_destroy+0x2b0/0x2b0 [ 390.019503] ? lock_pi_update_atomic+0x150/0x150 [ 390.024254] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.029801] ? lock_acquire+0x1ed/0x520 [ 390.033770] ? ext4_filemap_fault+0x7a/0xad [ 390.038095] ? lock_release+0xa00/0xa00 [ 390.042069] ? perf_trace_sched_process_exec+0x860/0x860 [ 390.047519] ? print_usage_bug+0xc0/0xc0 [ 390.051628] ? print_usage_bug+0xc0/0xc0 [ 390.055701] ? down_read+0x8d/0x120 [ 390.059335] ? ext4_filemap_fault+0x7a/0xad [ 390.063655] ? __down_interruptible+0x700/0x700 [ 390.068335] ext4_filemap_fault+0x82/0xad [ 390.072482] __do_fault+0x100/0x6b0 [ 390.076109] ? find_held_lock+0x36/0x1c0 [ 390.080175] ? pmd_devmap_trans_unstable+0x220/0x220 [ 390.085278] ? mark_held_locks+0x130/0x130 [ 390.089515] ? mark_held_locks+0x130/0x130 [ 390.093747] ? debug_smp_processor_id+0x1c/0x20 [ 390.098416] ? perf_trace_lock+0x14d/0x7a0 [ 390.102655] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 390.108197] __handle_mm_fault+0x3ea0/0x5be0 [ 390.112616] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 390.117459] ? lock_is_held_type+0x210/0x210 [ 390.121871] ? __switch_to_asm+0x34/0x70 [ 390.125949] ? __switch_to_asm+0x34/0x70 [ 390.130048] ? zap_class+0x640/0x640 [ 390.133760] ? zap_class+0x640/0x640 [ 390.137470] ? __x64_sys_futex+0x53e/0x6a0 [ 390.141707] ? find_held_lock+0x36/0x1c0 [ 390.145777] ? handle_mm_fault+0x42a/0xc70 [ 390.150013] ? lock_downgrade+0x900/0x900 [ 390.154168] ? check_preemption_disabled+0x48/0x280 [ 390.159187] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 390.164115] ? kasan_check_read+0x11/0x20 [ 390.168260] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 390.173535] ? rcu_softirq_qs+0x20/0x20 [ 390.177512] ? trace_hardirqs_off_caller+0x310/0x310 [ 390.182618] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 390.188173] ? check_preemption_disabled+0x48/0x280 [ 390.193198] handle_mm_fault+0x54f/0xc70 [ 390.197261] ? __handle_mm_fault+0x5be0/0x5be0 [ 390.201864] ? find_vma+0x34/0x190 [ 390.205415] __do_page_fault+0x5e8/0xe60 [ 390.209477] ? trace_hardirqs_off+0xb8/0x310 [ 390.213894] do_page_fault+0xf2/0x7e0 [ 390.217698] ? vmalloc_sync_all+0x30/0x30 [ 390.221846] ? error_entry+0x70/0xd0 [ 390.225558] ? trace_hardirqs_off_caller+0xbb/0x310 [ 390.230577] ? trace_hardirqs_on_caller+0xc0/0x310 [ 390.235506] ? syscall_return_slowpath+0x5e0/0x5e0 [ 390.240439] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 390.245284] ? trace_hardirqs_on_caller+0x310/0x310 [ 390.250300] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 390.255785] ? prepare_exit_to_usermode+0x291/0x3b0 [ 390.260810] ? page_fault+0x8/0x30 [ 390.264385] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 390.269258] ? page_fault+0x8/0x30 [ 390.272798] page_fault+0x1e/0x30 [ 390.276249] RIP: 0033:0x45ddf3 [ 390.279453] Code: Bad RIP value. [ 390.282831] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 390.288200] RAX: ffffffffffffff92 RBX: 0000000028898d51 RCX: 000000000045ddf3 [ 390.295486] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014f1120 [ 390.302751] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 390.310030] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 390.317488] R13: 000000c42841fe60 R14: 0000000000000001 R15: 0000000000000000 [ 390.324869] CPU: 1 PID: 16798 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #167 [ 390.324875] warn_alloc_show_mem: 1 callbacks suppressed [ 390.324887] Mem-Info: [ 390.332245] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 390.337611] active_anon:45985 inactive_anon:296 isolated_anon:0 [ 390.337611] active_file:15 inactive_file:8 isolated_file:0 [ 390.337611] unevictable:0 dirty:0 writeback:0 unstable:0 [ 390.337611] slab_reclaimable:9236 slab_unreclaimable:1461135 [ 390.337611] mapped:40979 shmem:353 pagetables:587 bounce:0 [ 390.337611] free:13771 free_pcp:249 free_cma:0 [ 390.339981] Call Trace: [ 390.349371] Node 0 active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1412kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 390.382869] [ 390.385443] 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 [ 390.413117] dump_stack+0x244/0x39d [ 390.415237] lowmem_reserve[]: 0 2818 6321 6321 [ 390.441362] ? dump_stack_print_info.cold.1+0x20/0x20 [ 390.444977] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:404kB local_pcp:156kB free_cma:0kB [ 390.449558] warn_alloc.cold.116+0xb7/0x1bd [ 390.454716] lowmem_reserve[]: 0 0 3503 3503 [ 390.482208] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 390.486501] Node 0 Normal free:14000kB min:37364kB low:46704kB high:56044kB active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2348kB bounce:0kB free_pcp:592kB local_pcp:388kB free_cma:0kB [ 390.490817] ? lock_downgrade+0x900/0x900 [ 390.495636] lowmem_reserve[]: 0 0 0 0 [ 390.524606] ? trace_hardirqs_off+0xb8/0x310 [ 390.528722] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 390.532519] ? trace_hardirqs_off+0xb8/0x310 [ 390.536904] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 2*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 390.550423] __alloc_pages_slowpath+0x2651/0x2de0 [ 390.554805] Node 0 Normal: 794*4kB (MEH) 441*8kB (UMEH) 176*16kB (UME) 69*32kB (UMEH) 18*64kB (UM) 1*128kB (U) 2*256kB (U) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14032kB [ 390.569910] ? warn_alloc+0x120/0x120 [ 390.574705] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 390.590137] ? print_usage_bug+0xc0/0xc0 [ 390.593921] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 390.602754] ? warn_alloc+0x120/0x120 [ 390.606792] 376 total pagecache pages [ 390.615358] ? warn_alloc+0x120/0x120 [ 390.619138] 0 pages in swap cache [ 390.622925] ? print_usage_bug+0xc0/0xc0 [ 390.626701] Swap cache stats: add 0, delete 0, find 0/0 [ 390.630176] ? print_usage_bug+0xc0/0xc0 [ 390.634214] Free swap = 0kB [ 390.639570] ? __lock_acquire+0x62f/0x4c20 [ 390.643607] Total swap = 0kB [ 390.646622] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 390.650831] 1965979 pages RAM [ 390.653847] ? should_fail+0x22d/0xd01 [ 390.659370] 0 pages HighMem/MovableOnly [ 390.662470] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 390.666334] 342854 pages reserved [ 390.670304] ? __lock_acquire+0x62f/0x4c20 [ 390.675386] 0 pages cma reserved [ 390.678830] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 390.683115] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 390.686410] ? __lock_acquire+0x62f/0x4c20 [ 390.686426] ? should_fail+0x22d/0xd01 [ 390.691593] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 390.697997] ? find_held_lock+0x36/0x1c0 [ 390.702209] syz-fuzzer cpuset=/ mems_allowed=0 [ 390.706099] ? mark_held_locks+0x130/0x130 [ 390.729159] ? mark_held_locks+0x130/0x130 [ 390.733392] ? zap_class+0x640/0x640 [ 390.737110] ? zap_class+0x640/0x640 [ 390.740824] ? print_usage_bug+0xc0/0xc0 [ 390.744903] ? do_raw_spin_unlock+0xa7/0x330 [ 390.749310] ? zap_class+0x640/0x640 [ 390.753030] ? print_usage_bug+0xc0/0xc0 [ 390.757092] ? wq_watchdog_touch+0x9c/0xfe [ 390.761350] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.766912] ? check_preemption_disabled+0x48/0x280 [ 390.771938] ? __lock_is_held+0xb5/0x140 [ 390.776075] __alloc_pages_nodemask+0xad8/0xea0 [ 390.780778] ? zap_class+0x640/0x640 [ 390.784510] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 390.789536] ? find_held_lock+0x36/0x1c0 [ 390.793610] ? ____cache_alloc_node+0x1c7/0x1e0 [ 390.798280] ? lock_downgrade+0x900/0x900 [ 390.802467] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.808045] cache_grow_begin+0xa5/0x8c0 [ 390.812123] ? do_raw_spin_unlock+0xa7/0x330 [ 390.816537] fallback_alloc+0x204/0x2e0 [ 390.820519] ____cache_alloc_node+0x1c7/0x1e0 [ 390.825031] kmem_cache_alloc_node+0xe3/0x730 [ 390.829543] ? ipv6_get_ifaddr+0x42e/0x620 [ 390.833801] __alloc_skb+0x119/0x770 [ 390.837515] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 390.842796] ? netdev_alloc_frag+0x1f0/0x1f0 [ 390.847199] ? lock_downgrade+0x900/0x900 [ 390.851351] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.856893] ? refcount_sub_and_test_checked+0x203/0x310 [ 390.862368] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 390.867819] ? addrconf_rs_timer+0x690/0x690 [ 390.872241] ndisc_alloc_skb+0x144/0x340 [ 390.876305] ndisc_send_rs+0x331/0x6e0 [ 390.880191] addrconf_rs_timer+0x314/0x690 [ 390.884428] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.888674] call_timer_fn+0x272/0x920 [ 390.892571] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.896802] ? process_timeout+0x40/0x40 [ 390.900867] ? __run_timers+0x7da/0xc70 [ 390.904848] ? _raw_spin_unlock_irq+0x27/0x80 [ 390.909341] ? _raw_spin_unlock_irq+0x27/0x80 [ 390.913847] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.918086] ? lockdep_hardirqs_on+0x296/0x5b0 [ 390.922669] ? trace_hardirqs_on+0xbd/0x310 [ 390.926986] ? kasan_check_read+0x11/0x20 [ 390.931132] ? __run_timers+0x7da/0xc70 [ 390.935120] ? trace_hardirqs_off_caller+0x310/0x310 [ 390.940225] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.944471] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.948703] __run_timers+0x7e5/0xc70 [ 390.952511] ? timer_fixup_init+0x70/0x70 [ 390.956661] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 390.961676] ? zap_class+0x640/0x640 [ 390.965405] ? enqueue_hrtimer+0x1a5/0x560 [ 390.969644] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 390.974846] ? find_held_lock+0x36/0x1c0 [ 390.978932] ? zap_class+0x640/0x640 [ 390.982652] ? pvclock_read_flags+0x160/0x160 [ 390.987153] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.992690] ? check_preemption_disabled+0x48/0x280 [ 390.997713] ? __lock_is_held+0xb5/0x140 [ 391.001776] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.007312] ? check_preemption_disabled+0x48/0x280 [ 391.012334] run_timer_softirq+0x52/0xb0 [ 391.016408] ? rcu_read_lock_sched_held+0x14f/0x180 [ 391.021426] __do_softirq+0x308/0xb7e [ 391.025229] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 391.029738] ? lock_downgrade+0x900/0x900 [ 391.033907] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 391.039038] ? pvclock_read_flags+0x160/0x160 [ 391.043536] ? lapic_next_event+0x5a/0x90 [ 391.047685] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.053222] ? kvm_clock_read+0x18/0x30 [ 391.057194] ? kvm_sched_clock_read+0x9/0x20 [ 391.061599] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.067135] ? check_preemption_disabled+0x48/0x280 [ 391.072161] irq_exit+0x17f/0x1c0 [ 391.075619] smp_apic_timer_interrupt+0x1cb/0x760 [ 391.080462] ? smp_reschedule_interrupt+0x109/0x650 [ 391.085500] ? smp_call_function_single_interrupt+0x650/0x650 [ 391.091381] ? interrupt_entry+0xb5/0xc0 [ 391.095449] ? trace_hardirqs_off_caller+0xbb/0x310 [ 391.100477] ? trace_hardirqs_off_caller+0xbb/0x310 [ 391.105521] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 391.110365] ? trace_hardirqs_on_caller+0x310/0x310 [ 391.115381] ? trace_hardirqs_on_caller+0x310/0x310 [ 391.120410] ? task_prio+0x50/0x50 [ 391.123954] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.129491] ? check_preemption_disabled+0x48/0x280 [ 391.134509] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 391.139360] apic_timer_interrupt+0xf/0x20 [ 391.143598] [ 391.145834] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 391.150767] Code: 7e 0f 85 cf fe ff ff e8 66 cb 3d ff e9 c5 fe ff ff e8 0d 01 c3 ff 48 83 3d a5 49 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 42 f3 [ 391.169664] RSP: 0018:ffff888195497718 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 391.177371] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 391.184806] RDX: 0000000000000000 RSI: ffff8881d2488b40 RDI: 0000000000000282 [ 391.192083] RBP: ffff888195497780 R08: ffff8881d24882c0 R09: 0000000000000000 [ 391.199348] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 391.206616] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020 [ 391.213920] skb_clone+0x1bb/0x500 [ 391.217461] ? skb_split+0x11e0/0x11e0 [ 391.221348] ? check_preemption_disabled+0x48/0x280 [ 391.226369] ? __this_cpu_preempt_check+0x1c/0x20 [ 391.231228] ? __bpf_redirect+0x55b/0xb60 [ 391.235374] ? __switch_to_asm+0x34/0x70 [ 391.239429] ? __switch_to_asm+0x40/0x70 [ 391.243539] bpf_clone_redirect+0xb9/0x490 [ 391.247800] bpf_prog_3d1649e183dc2cc1+0xaf9/0x1000 [ 391.252836] ? __sched_text_start+0x8/0x8 [ 391.257025] ? find_held_lock+0x36/0x1c0 [ 391.261098] ? lock_acquire+0x1ed/0x520 [ 391.265074] ? bpf_test_run+0x3cb/0x780 [ 391.269056] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.274597] ? check_preemption_disabled+0x48/0x280 [ 391.279619] ? kasan_check_read+0x11/0x20 [ 391.283767] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 391.289053] ? rcu_softirq_qs+0x20/0x20 [ 391.293037] ? preempt_schedule+0x4d/0x60 [ 391.297189] ? ___preempt_schedule+0x16/0x18 [ 391.301614] ? bpf_test_run+0x25d/0x780 [ 391.305604] ? netlink_diag_dump+0x2a0/0x2a0 [ 391.310014] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 391.315568] ? bpf_test_init.isra.10+0x70/0x100 [ 391.320245] ? bpf_prog_test_run_skb+0x73b/0xd10 [ 391.325010] ? bpf_test_finish.isra.9+0x260/0x260 [ 391.329901] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 391.335442] ? fput+0x130/0x1a0 [ 391.338729] ? __bpf_prog_get+0x9b/0x290 [ 391.342792] ? bpf_test_finish.isra.9+0x260/0x260 [ 391.347652] ? bpf_prog_test_run+0x130/0x1a0 [ 391.352065] ? __x64_sys_bpf+0x3db/0x520 [ 391.356123] ? bpf_prog_get+0x20/0x20 [ 391.359947] ? do_syscall_64+0x1b9/0x820 [ 391.364005] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 391.369381] ? syscall_return_slowpath+0x5e0/0x5e0 [ 391.374318] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 391.379169] ? trace_hardirqs_on_caller+0x310/0x310 [ 391.384194] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 391.389215] ? prepare_exit_to_usermode+0x291/0x3b0 [ 391.394260] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 391.399112] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 391.404497] CPU: 0 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #167 [ 391.404565] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 391.411512] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 391.411518] Call Trace: [ 391.411524] [ 391.411545] dump_stack+0x244/0x39d [ 391.411564] ? dump_stack_print_info.cold.1+0x20/0x20 [ 391.418138] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 391.427434] warn_alloc.cold.116+0xb7/0x1bd [ 391.429987] syz-executor0 cpuset=syz0 mems_allowed=0 [ 391.432129] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 391.465613] ? lock_downgrade+0x900/0x900 [ 391.469789] ? trace_hardirqs_off+0xb8/0x310 [ 391.474204] ? trace_hardirqs_off+0xb8/0x310 [ 391.478646] __alloc_pages_slowpath+0x2651/0x2de0 [ 391.483522] ? warn_alloc+0x120/0x120 [ 391.487352] ? print_usage_bug+0xc0/0xc0 [ 391.491440] ? warn_alloc+0x120/0x120 [ 391.495244] ? warn_alloc+0x120/0x120 [ 391.499056] ? print_usage_bug+0xc0/0xc0 [ 391.503119] ? kvm_clock_read+0x18/0x30 [ 391.507099] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 391.512149] ? print_usage_bug+0xc0/0xc0 [ 391.516214] ? __lock_acquire+0x62f/0x4c20 [ 391.520471] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 391.526015] ? should_fail+0x22d/0xd01 [ 391.529913] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 391.535199] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 391.540303] ? __lock_acquire+0x62f/0x4c20 [ 391.544542] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 391.549648] ? __lock_acquire+0x62f/0x4c20 [ 391.553881] ? should_fail+0x22d/0xd01 [ 391.557764] ? rcu_irq_exit+0x1a2/0x390 [ 391.561749] ? mark_held_locks+0x130/0x130 [ 391.565987] ? mark_held_locks+0x130/0x130 [ 391.570232] ? mark_held_locks+0xc7/0x130 [ 391.574386] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 391.579413] ? zap_class+0x640/0x640 [ 391.583129] ? print_usage_bug+0xc0/0xc0 [ 391.587197] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.592736] ? check_preemption_disabled+0x48/0x280 [ 391.597778] ? __lock_is_held+0xb5/0x140 [ 391.601874] __alloc_pages_nodemask+0xad8/0xea0 [ 391.606562] ? zap_class+0x640/0x640 [ 391.610287] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 391.615318] ? find_held_lock+0x36/0x1c0 [ 391.619396] ? ____cache_alloc_node+0x1c7/0x1e0 [ 391.624068] ? lock_downgrade+0x900/0x900 [ 391.628230] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.633783] cache_grow_begin+0xa5/0x8c0 [ 391.637847] ? do_raw_spin_unlock+0xa7/0x330 [ 391.642281] fallback_alloc+0x204/0x2e0 [ 391.646296] ____cache_alloc_node+0x1c7/0x1e0 [ 391.650815] kmem_cache_alloc_node+0xe3/0x730 [ 391.655317] ? ipv6_get_ifaddr+0x42e/0x620 [ 391.659562] __alloc_skb+0x119/0x770 [ 391.663277] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 391.668561] ? netdev_alloc_frag+0x1f0/0x1f0 [ 391.672974] ? lock_downgrade+0x900/0x900 [ 391.677132] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.682670] ? refcount_sub_and_test_checked+0x203/0x310 [ 391.688142] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 391.693599] ? addrconf_rs_timer+0x690/0x690 [ 391.698031] ndisc_alloc_skb+0x144/0x340 [ 391.702152] ndisc_send_rs+0x331/0x6e0 [ 391.706085] addrconf_rs_timer+0x314/0x690 [ 391.710327] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 391.714575] call_timer_fn+0x272/0x920 [ 391.718476] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 391.722714] ? process_timeout+0x40/0x40 [ 391.726784] ? mark_held_locks+0xc7/0x130 [ 391.730935] ? _raw_spin_unlock_irq+0x27/0x80 [ 391.735427] ? _raw_spin_unlock_irq+0x27/0x80 [ 391.739921] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 391.744158] ? lockdep_hardirqs_on+0x296/0x5b0 [ 391.748744] ? trace_hardirqs_on+0xbd/0x310 [ 391.753081] ? kasan_check_read+0x11/0x20 [ 391.757229] ? __run_timers+0x7da/0xc70 [ 391.761204] ? trace_hardirqs_off_caller+0x310/0x310 [ 391.766313] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 391.770559] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 391.774793] __run_timers+0x7e5/0xc70 [ 391.778608] ? timer_fixup_init+0x70/0x70 [ 391.782763] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 391.787795] ? zap_class+0x640/0x640 [ 391.791516] ? print_usage_bug+0xc0/0xc0 [ 391.795581] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 391.800785] ? find_held_lock+0x36/0x1c0 [ 391.804854] ? zap_class+0x640/0x640 [ 391.808592] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.814135] ? check_preemption_disabled+0x48/0x280 [ 391.819167] ? __lock_is_held+0xb5/0x140 [ 391.823238] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.828777] ? check_preemption_disabled+0x48/0x280 [ 391.833805] run_timer_softirq+0x52/0xb0 [ 391.837873] ? rcu_read_lock_sched_held+0x14f/0x180 [ 391.842892] __do_softirq+0x308/0xb7e [ 391.846701] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 391.851196] ? lock_downgrade+0x900/0x900 [ 391.855356] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 391.860474] ? pvclock_read_flags+0x160/0x160 [ 391.864972] ? lapic_next_event+0x5a/0x90 [ 391.869127] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.874698] ? kvm_clock_read+0x18/0x30 [ 391.878677] ? kvm_sched_clock_read+0x9/0x20 [ 391.883089] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 391.888636] ? check_preemption_disabled+0x48/0x280 [ 391.893663] irq_exit+0x17f/0x1c0 [ 391.897148] smp_apic_timer_interrupt+0x1cb/0x760 [ 391.902032] ? smp_reschedule_interrupt+0x109/0x650 [ 391.907054] ? smp_call_function_single_interrupt+0x650/0x650 [ 391.912955] ? interrupt_entry+0xb5/0xc0 [ 391.917055] ? trace_hardirqs_off_caller+0xbb/0x310 [ 391.922095] ? trace_hardirqs_off_caller+0xbb/0x310 [ 391.927142] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 391.932006] ? trace_hardirqs_on_caller+0x310/0x310 [ 391.937050] ? trace_hardirqs_on_caller+0x310/0x310 [ 391.942123] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 391.946991] apic_timer_interrupt+0xf/0x20 [ 391.951226] [ 391.953475] RIP: 0010:dump_stack+0x358/0x39d [ 391.957882] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 f1 36 ed f9 48 83 3d f9 27 7c 01 00 0f 84 63 fe ff ff e8 6e b7 a9 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b b7 a9 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 391.976792] RSP: 0000:ffff8881bb40e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 391.984510] RAX: ffff8881c2208180 RBX: 1ffffffff12a3f6e RCX: 1ffff1103844114e [ 391.991798] RDX: 0000000000000000 RSI: ffffffff87d5d382 RDI: 0000000000000293 [ 391.999097] RBP: ffff8881bb40e290 R08: ffff8881c2208a70 R09: 0000000000000006 [ 392.006391] R10: 0000000000000000 R11: ffff8881c2208180 R12: 1ffff11037681c45 [ 392.013679] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 392.020988] ? dump_stack+0x34f/0x39d [ 392.024811] ? dump_stack_print_info.cold.1+0x20/0x20 [ 392.030006] ? mark_held_locks+0x130/0x130 [ 392.034252] ? mark_held_locks+0x130/0x130 [ 392.038495] dump_header+0x27b/0xf72 [ 392.042229] ? pagefault_out_of_memory+0x197/0x197 [ 392.047171] ? __lock_acquire+0x62f/0x4c20 [ 392.051416] ? percpu_ref_get_many+0x240/0x240 [ 392.056008] ? print_usage_bug+0xc0/0xc0 [ 392.060089] ? zap_class+0x640/0x640 [ 392.063808] ? print_usage_bug+0xc0/0xc0 [ 392.067873] ? print_usage_bug+0xc0/0xc0 [ 392.071936] ? zap_class+0x640/0x640 [ 392.075666] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.081243] ? find_held_lock+0x36/0x1c0 [ 392.085317] ? mark_held_locks+0xc7/0x130 [ 392.089478] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 392.094580] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 392.099686] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 392.104277] ? trace_hardirqs_on+0xbd/0x310 [ 392.108604] ? kasan_check_read+0x11/0x20 [ 392.112770] ? ___ratelimit+0x3b4/0x672 [ 392.116766] ? trace_hardirqs_off_caller+0x310/0x310 [ 392.121880] ? trace_hardirqs_on+0x310/0x310 [ 392.126320] ? lock_downgrade+0x900/0x900 [ 392.130480] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 392.135585] ? ___ratelimit+0x3b9/0x672 [ 392.139579] ? idr_get_free+0xf70/0xf70 [ 392.143569] ? find_held_lock+0x36/0x1c0 [ 392.147663] oom_kill_process.cold.27+0x10/0x903 [ 392.152425] ? zap_class+0x640/0x640 [ 392.156146] ? check_preemption_disabled+0x48/0x280 [ 392.161167] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 392.166099] ? kasan_check_read+0x11/0x20 [ 392.170266] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 392.175550] ? oom_evaluate_task+0x540/0x540 [ 392.179981] ? find_held_lock+0x36/0x1c0 [ 392.184060] ? out_of_memory+0x974/0x1430 [ 392.188216] ? lock_downgrade+0x900/0x900 [ 392.192368] ? check_preemption_disabled+0x48/0x280 [ 392.197400] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 392.202333] ? kasan_check_read+0x11/0x20 [ 392.206498] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 392.211778] ? rcu_softirq_qs+0x20/0x20 [ 392.215765] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.221303] ? oom_evaluate_task+0x302/0x540 [ 392.225734] out_of_memory+0xa84/0x1430 [ 392.229737] ? oom_killer_disable+0x3a0/0x3a0 [ 392.234234] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 392.239169] ? __ww_mutex_check_waiters+0x160/0x160 [ 392.244202] __alloc_pages_slowpath+0x232c/0x2de0 [ 392.249095] ? warn_alloc+0x120/0x120 [ 392.252899] ? mark_held_locks+0x130/0x130 [ 392.257144] ? find_get_entry+0xaae/0x1120 [ 392.261395] ? filemap_map_pages+0x1a20/0x1a20 [ 392.265983] ? zap_class+0x640/0x640 [ 392.269740] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.275285] ? check_preemption_disabled+0x48/0x280 [ 392.280305] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.285863] ? should_fail+0x22d/0xd01 [ 392.289759] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 392.294879] ? zap_class+0x640/0x640 [ 392.298621] ? __lock_is_held+0xb5/0x140 [ 392.302689] ? mark_held_locks+0x130/0x130 [ 392.306926] ? lock_release+0xa00/0xa00 [ 392.310907] ? perf_trace_sched_process_exec+0x860/0x860 [ 392.316363] ? xa_load+0x2ba/0x460 [ 392.319918] ? lock_downgrade+0x900/0x900 [ 392.324082] ? __might_sleep+0x95/0x190 [ 392.328081] __alloc_pages_nodemask+0xad8/0xea0 [ 392.332805] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 392.337823] ? __page_cache_alloc+0x191/0x5c0 [ 392.342316] ? xa_load+0x2e1/0x460 [ 392.345860] ? xa_clear_mark+0x40/0x40 [ 392.349748] ? zap_class+0x640/0x640 [ 392.353487] ? zap_class+0x640/0x640 [ 392.357204] ? zap_class+0x640/0x640 [ 392.360917] ? __do_page_cache_readahead+0x663/0x810 [ 392.366037] ? find_held_lock+0x36/0x1c0 [ 392.370120] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 392.375671] alloc_pages_current+0x173/0x350 [ 392.380092] __page_cache_alloc+0x38c/0x5c0 [ 392.384421] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 392.389356] ? kasan_check_read+0x11/0x20 [ 392.393513] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 392.398798] ? generic_perform_write+0x6a0/0x6a0 [ 392.403557] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.409098] ? check_preemption_disabled+0x48/0x280 [ 392.414137] filemap_fault+0x1595/0x25f0 [ 392.418213] ? __lock_page_or_retry+0xa00/0xa00 [ 392.422888] ? mark_held_locks+0x130/0x130 [ 392.427139] ? filemap_map_pages+0xd6b/0x1a20 [ 392.431639] ? lock_downgrade+0x900/0x900 [ 392.435788] ? check_preemption_disabled+0x48/0x280 [ 392.440810] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 392.445754] ? kasan_check_read+0x11/0x20 [ 392.449947] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 392.455238] ? rcu_softirq_qs+0x20/0x20 [ 392.459228] ? filemap_map_pages+0xd92/0x1a20 [ 392.463780] ? find_get_entries_tag+0x1400/0x1400 [ 392.468654] ? debug_object_destroy+0x2b0/0x2b0 [ 392.473330] ? lock_pi_update_atomic+0x150/0x150 [ 392.478089] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.483642] ? lock_acquire+0x1ed/0x520 [ 392.487621] ? ext4_filemap_fault+0x7a/0xad [ 392.491949] ? lock_release+0xa00/0xa00 [ 392.495923] ? perf_trace_sched_process_exec+0x860/0x860 [ 392.501400] ? print_usage_bug+0xc0/0xc0 [ 392.505468] ? print_usage_bug+0xc0/0xc0 [ 392.509540] ? down_read+0x8d/0x120 [ 392.513165] ? ext4_filemap_fault+0x7a/0xad [ 392.517490] ? __down_interruptible+0x700/0x700 [ 392.522174] ext4_filemap_fault+0x82/0xad [ 392.526331] __do_fault+0x100/0x6b0 [ 392.529960] ? find_held_lock+0x36/0x1c0 [ 392.534035] ? pmd_devmap_trans_unstable+0x220/0x220 [ 392.539187] ? mark_held_locks+0x130/0x130 [ 392.543424] ? mark_held_locks+0x130/0x130 [ 392.547667] ? debug_smp_processor_id+0x1c/0x20 [ 392.552340] ? perf_trace_lock+0x14d/0x7a0 [ 392.556586] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.562129] __handle_mm_fault+0x3ea0/0x5be0 [ 392.566548] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 392.571396] ? lock_is_held_type+0x210/0x210 [ 392.575818] ? __switch_to_asm+0x34/0x70 [ 392.579910] ? __switch_to_asm+0x34/0x70 [ 392.583989] ? zap_class+0x640/0x640 [ 392.587709] ? zap_class+0x640/0x640 [ 392.591424] ? __x64_sys_futex+0x53e/0x6a0 [ 392.595733] ? find_held_lock+0x36/0x1c0 [ 392.599824] ? handle_mm_fault+0x42a/0xc70 [ 392.604099] ? lock_downgrade+0x900/0x900 [ 392.608249] ? check_preemption_disabled+0x48/0x280 [ 392.613271] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 392.618201] ? kasan_check_read+0x11/0x20 [ 392.622385] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 392.627676] ? rcu_softirq_qs+0x20/0x20 [ 392.631652] ? trace_hardirqs_off_caller+0x310/0x310 [ 392.636762] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.642302] ? check_preemption_disabled+0x48/0x280 [ 392.647328] handle_mm_fault+0x54f/0xc70 [ 392.651400] ? __handle_mm_fault+0x5be0/0x5be0 [ 392.656007] ? find_vma+0x34/0x190 [ 392.659579] __do_page_fault+0x5e8/0xe60 [ 392.663641] ? trace_hardirqs_off+0xb8/0x310 [ 392.668074] do_page_fault+0xf2/0x7e0 [ 392.671881] ? vmalloc_sync_all+0x30/0x30 [ 392.676040] ? error_entry+0x70/0xd0 [ 392.679759] ? trace_hardirqs_off_caller+0xbb/0x310 [ 392.684780] ? trace_hardirqs_on_caller+0xc0/0x310 [ 392.689712] ? syscall_return_slowpath+0x5e0/0x5e0 [ 392.694645] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 392.699495] ? trace_hardirqs_on_caller+0x310/0x310 [ 392.704519] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 392.709978] ? prepare_exit_to_usermode+0x291/0x3b0 [ 392.714994] ? page_fault+0x8/0x30 [ 392.718558] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 392.723419] ? page_fault+0x8/0x30 [ 392.726989] page_fault+0x1e/0x30 [ 392.730492] RIP: 0033:0x45ddf3 [ 392.733712] Code: Bad RIP value. [ 392.737073] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 392.742432] RAX: ffffffffffffff92 RBX: 0000000028898d51 RCX: 000000000045ddf3 [ 392.749703] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014f1120 [ 392.756975] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 392.764251] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 392.771556] R13: 000000c42841fe60 R14: 0000000000000001 R15: 0000000000000000 [ 392.778873] warn_alloc_show_mem: 1 callbacks suppressed [ 392.778890] CPU: 1 PID: 16798 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #167 [ 392.778892] Mem-Info: [ 392.778939] active_anon:45985 inactive_anon:296 isolated_anon:0 [ 392.778939] active_file:15 inactive_file:8 isolated_file:0 [ 392.778939] unevictable:0 dirty:0 writeback:0 unstable:0 [ 392.778939] slab_reclaimable:9236 slab_unreclaimable:1461135 [ 392.778939] mapped:40979 shmem:353 pagetables:587 bounce:0 [ 392.778939] free:13771 free_pcp:249 free_cma:0 [ 392.784303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 392.784312] Call Trace: [ 392.791685] Node 0 active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1412kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 392.794084] [ 392.826872] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 392.836250] dump_stack+0x244/0x39d [ 392.838807] lowmem_reserve[]: 0 2818 6321 6321 [ 392.866498] ? dump_stack_print_info.cold.1+0x20/0x20 [ 392.868626] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:404kB local_pcp:156kB free_cma:0kB [ 392.894748] warn_alloc.cold.116+0xb7/0x1bd [ 392.898365] lowmem_reserve[]: 0 0 3503 3503 [ 392.902964] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 392.908126] Node 0 Normal free:14000kB min:37364kB low:46704kB high:56044kB active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2348kB bounce:0kB free_pcp:592kB local_pcp:388kB free_cma:0kB [ 392.935660] ? lock_downgrade+0x900/0x900 [ 392.939962] lowmem_reserve[]: 0 0 0 0 [ 392.944290] ? trace_hardirqs_off+0xb8/0x310 [ 392.949101] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 392.978089] ? trace_hardirqs_off+0xb8/0x310 [ 392.982213] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 2*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 392.986026] __alloc_pages_slowpath+0x2651/0x2de0 [ 392.990402] Node 0 Normal: 794*4kB (MEH) 441*8kB (UMEH) 176*16kB (UME) 69*32kB (UMEH) 18*64kB (UM) 1*128kB (U) 2*256kB (U) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14032kB [ 393.003953] ? warn_alloc+0x120/0x120 [ 393.008332] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 393.023423] ? print_usage_bug+0xc0/0xc0 [ 393.028253] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 393.043688] ? warn_alloc+0x120/0x120 [ 393.047467] 376 total pagecache pages [ 393.056323] ? warn_alloc+0x120/0x120 [ 393.060367] 0 pages in swap cache [ 393.068967] ? print_usage_bug+0xc0/0xc0 [ 393.072789] Swap cache stats: add 0, delete 0, find 0/0 [ 393.076598] ? kvm_clock_read+0x18/0x30 [ 393.080401] Free swap = 0kB [ 393.083853] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 393.087876] Total swap = 0kB [ 393.087889] 1965979 pages RAM [ 393.093257] ? print_usage_bug+0xc0/0xc0 [ 393.097206] 0 pages HighMem/MovableOnly [ 393.100238] ? __lock_acquire+0x62f/0x4c20 [ 393.105228] 342854 pages reserved [ 393.108253] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 393.111325] 0 pages cma reserved [ 393.115385] ? should_fail+0x22d/0xd01 [ 393.119441] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 393.123649] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 393.123670] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 393.127156] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 393.132632] ? __lock_acquire+0x62f/0x4c20 [ 393.135973] syz-fuzzer cpuset=/ mems_allowed=0 [ 393.139874] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 393.181195] ? __lock_acquire+0x62f/0x4c20 [ 393.185438] ? should_fail+0x22d/0xd01 [ 393.189325] ? rcu_irq_exit+0x1a2/0x390 [ 393.193315] ? mark_held_locks+0x130/0x130 [ 393.197563] ? mark_held_locks+0x130/0x130 [ 393.201809] ? mark_held_locks+0xc7/0x130 [ 393.206027] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 393.211066] ? zap_class+0x640/0x640 [ 393.214787] ? print_usage_bug+0xc0/0xc0 [ 393.218856] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.224401] ? check_preemption_disabled+0x48/0x280 [ 393.229434] ? __lock_is_held+0xb5/0x140 [ 393.233506] __alloc_pages_nodemask+0xad8/0xea0 [ 393.238179] ? zap_class+0x640/0x640 [ 393.241908] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 393.246942] ? find_held_lock+0x36/0x1c0 [ 393.251025] ? ____cache_alloc_node+0x1c7/0x1e0 [ 393.255701] ? lock_downgrade+0x900/0x900 [ 393.259863] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.265418] cache_grow_begin+0xa5/0x8c0 [ 393.269489] ? do_raw_spin_unlock+0xa7/0x330 [ 393.273917] fallback_alloc+0x204/0x2e0 [ 393.277913] ____cache_alloc_node+0x1c7/0x1e0 [ 393.282424] kmem_cache_alloc_node+0xe3/0x730 [ 393.286923] ? ipv6_get_ifaddr+0x42e/0x620 [ 393.291173] __alloc_skb+0x119/0x770 [ 393.294898] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 393.300188] ? netdev_alloc_frag+0x1f0/0x1f0 [ 393.304601] ? lock_downgrade+0x900/0x900 [ 393.308762] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.314304] ? refcount_sub_and_test_checked+0x203/0x310 [ 393.319764] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 393.325225] ? addrconf_rs_timer+0x690/0x690 [ 393.329650] ndisc_alloc_skb+0x144/0x340 [ 393.333724] ndisc_send_rs+0x331/0x6e0 [ 393.337623] addrconf_rs_timer+0x314/0x690 [ 393.341867] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.346133] call_timer_fn+0x272/0x920 [ 393.350033] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.354276] ? process_timeout+0x40/0x40 [ 393.358347] ? __run_timers+0x7da/0xc70 [ 393.362325] ? _raw_spin_unlock_irq+0x27/0x80 [ 393.366828] ? _raw_spin_unlock_irq+0x27/0x80 [ 393.371331] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.375577] ? lockdep_hardirqs_on+0x296/0x5b0 [ 393.380169] ? trace_hardirqs_on+0xbd/0x310 [ 393.384514] ? kasan_check_read+0x11/0x20 [ 393.388666] ? __run_timers+0x7da/0xc70 [ 393.392663] ? trace_hardirqs_off_caller+0x310/0x310 [ 393.397774] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.402054] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.406292] __run_timers+0x7e5/0xc70 [ 393.410113] ? timer_fixup_init+0x70/0x70 [ 393.414278] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 393.419313] ? zap_class+0x640/0x640 [ 393.423038] ? enqueue_hrtimer+0x1a5/0x560 [ 393.427279] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 393.432480] ? find_held_lock+0x36/0x1c0 [ 393.436549] ? zap_class+0x640/0x640 [ 393.440269] ? pvclock_read_flags+0x160/0x160 [ 393.444788] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.450356] ? check_preemption_disabled+0x48/0x280 [ 393.455387] ? __lock_is_held+0xb5/0x140 [ 393.459456] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.465014] ? check_preemption_disabled+0x48/0x280 [ 393.470055] run_timer_softirq+0x52/0xb0 [ 393.474129] ? rcu_read_lock_sched_held+0x14f/0x180 [ 393.479150] __do_softirq+0x308/0xb7e [ 393.482959] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 393.487464] ? lock_downgrade+0x900/0x900 [ 393.491625] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 393.496738] ? pvclock_read_flags+0x160/0x160 [ 393.501241] ? lapic_next_event+0x5a/0x90 [ 393.505396] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.510958] ? kvm_clock_read+0x18/0x30 [ 393.514934] ? kvm_sched_clock_read+0x9/0x20 [ 393.519366] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.524913] ? check_preemption_disabled+0x48/0x280 [ 393.529947] irq_exit+0x17f/0x1c0 [ 393.533410] smp_apic_timer_interrupt+0x1cb/0x760 [ 393.538274] ? smp_reschedule_interrupt+0x109/0x650 [ 393.543329] ? smp_call_function_single_interrupt+0x650/0x650 [ 393.549217] ? interrupt_entry+0xb5/0xc0 [ 393.553284] ? trace_hardirqs_off_caller+0xbb/0x310 [ 393.558307] ? trace_hardirqs_off_caller+0xbb/0x310 [ 393.563346] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 393.568193] ? trace_hardirqs_on_caller+0x310/0x310 [ 393.573218] ? trace_hardirqs_on_caller+0x310/0x310 [ 393.578243] ? task_prio+0x50/0x50 [ 393.581791] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.587336] ? check_preemption_disabled+0x48/0x280 [ 393.592384] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 393.597246] apic_timer_interrupt+0xf/0x20 [ 393.601475] [ 393.603733] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 393.608677] Code: 7e 0f 85 cf fe ff ff e8 66 cb 3d ff e9 c5 fe ff ff e8 0d 01 c3 ff 48 83 3d a5 49 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 42 f3 [ 393.627590] RSP: 0018:ffff888195497718 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 393.635313] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 393.642596] RDX: 0000000000000000 RSI: ffff8881d2488b40 RDI: 0000000000000282 [ 393.649876] RBP: ffff888195497780 R08: ffff8881d24882c0 R09: 0000000000000000 [ 393.657160] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 393.664445] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020 [ 393.671771] skb_clone+0x1bb/0x500 [ 393.675323] ? skb_split+0x11e0/0x11e0 [ 393.679220] ? check_preemption_disabled+0x48/0x280 [ 393.684251] ? __this_cpu_preempt_check+0x1c/0x20 [ 393.689103] ? __bpf_redirect+0x55b/0xb60 [ 393.693257] ? __switch_to_asm+0x34/0x70 [ 393.697321] ? __switch_to_asm+0x40/0x70 [ 393.701397] bpf_clone_redirect+0xb9/0x490 [ 393.705646] bpf_prog_3d1649e183dc2cc1+0xaf9/0x1000 [ 393.710675] ? __sched_text_start+0x8/0x8 [ 393.714847] ? find_held_lock+0x36/0x1c0 [ 393.718932] ? lock_acquire+0x1ed/0x520 [ 393.722914] ? bpf_test_run+0x3cb/0x780 [ 393.726899] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.732462] ? check_preemption_disabled+0x48/0x280 [ 393.737490] ? kasan_check_read+0x11/0x20 [ 393.741642] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 393.746921] ? rcu_softirq_qs+0x20/0x20 [ 393.751007] ? preempt_schedule+0x4d/0x60 [ 393.755170] ? ___preempt_schedule+0x16/0x18 [ 393.759588] ? bpf_test_run+0x25d/0x780 [ 393.763576] ? netlink_diag_dump+0x2a0/0x2a0 [ 393.767989] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 393.773534] ? bpf_test_init.isra.10+0x70/0x100 [ 393.778214] ? bpf_prog_test_run_skb+0x73b/0xd10 [ 393.783001] ? bpf_test_finish.isra.9+0x260/0x260 [ 393.787873] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 393.793438] ? fput+0x130/0x1a0 [ 393.796729] ? __bpf_prog_get+0x9b/0x290 [ 393.800805] ? bpf_test_finish.isra.9+0x260/0x260 [ 393.805654] ? bpf_prog_test_run+0x130/0x1a0 [ 393.810081] ? __x64_sys_bpf+0x3db/0x520 [ 393.814151] ? bpf_prog_get+0x20/0x20 [ 393.817992] ? do_syscall_64+0x1b9/0x820 [ 393.822062] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 393.827431] ? syscall_return_slowpath+0x5e0/0x5e0 [ 393.832377] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 393.837226] ? trace_hardirqs_on_caller+0x310/0x310 [ 393.842252] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 393.847280] ? prepare_exit_to_usermode+0x291/0x3b0 [ 393.852312] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 393.857177] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 393.862565] CPU: 0 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #167 [ 393.862650] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 393.869585] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 393.869590] Call Trace: [ 393.869597] [ 393.869619] dump_stack+0x244/0x39d [ 393.869636] ? dump_stack_print_info.cold.1+0x20/0x20 [ 393.869662] warn_alloc.cold.116+0xb7/0x1bd [ 393.876197] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 393.885505] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 393.888066] syz-executor0 cpuset=syz0 mems_allowed=0 [ 393.890211] ? lock_downgrade+0x900/0x900 [ 393.927840] ? trace_hardirqs_off+0xb8/0x310 [ 393.932258] ? trace_hardirqs_off+0xb8/0x310 [ 393.936679] __alloc_pages_slowpath+0x2651/0x2de0 [ 393.941551] ? warn_alloc+0x120/0x120 [ 393.945360] ? print_usage_bug+0xc0/0xc0 [ 393.949430] ? warn_alloc+0x120/0x120 [ 393.953238] ? warn_alloc+0x120/0x120 [ 393.957054] ? print_usage_bug+0xc0/0xc0 [ 393.961123] ? print_usage_bug+0xc0/0xc0 [ 393.965191] ? __lock_acquire+0x62f/0x4c20 [ 393.969452] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 393.974997] ? should_fail+0x22d/0xd01 [ 393.978903] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 393.984038] ? __lock_acquire+0x62f/0x4c20 [ 393.988295] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 393.993403] ? __lock_acquire+0x62f/0x4c20 [ 393.997644] ? should_fail+0x22d/0xd01 [ 394.001532] ? find_held_lock+0x36/0x1c0 [ 394.005604] ? mark_held_locks+0x130/0x130 [ 394.009846] ? mark_held_locks+0x130/0x130 [ 394.014081] ? zap_class+0x640/0x640 [ 394.017796] ? zap_class+0x640/0x640 [ 394.021512] ? print_usage_bug+0xc0/0xc0 [ 394.025572] ? do_raw_spin_unlock+0xa7/0x330 [ 394.029987] ? zap_class+0x640/0x640 [ 394.033715] ? print_usage_bug+0xc0/0xc0 [ 394.037778] ? wq_watchdog_touch+0x9c/0xfe [ 394.042028] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.047574] ? check_preemption_disabled+0x48/0x280 [ 394.052606] ? __lock_is_held+0xb5/0x140 [ 394.056679] __alloc_pages_nodemask+0xad8/0xea0 [ 394.061352] ? zap_class+0x640/0x640 [ 394.065085] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 394.070124] ? find_held_lock+0x36/0x1c0 [ 394.074204] ? ____cache_alloc_node+0x1c7/0x1e0 [ 394.078878] ? lock_downgrade+0x900/0x900 [ 394.083047] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.088600] cache_grow_begin+0xa5/0x8c0 [ 394.092664] ? do_raw_spin_unlock+0xa7/0x330 [ 394.097085] fallback_alloc+0x204/0x2e0 [ 394.101067] ____cache_alloc_node+0x1c7/0x1e0 [ 394.105570] kmem_cache_alloc_node+0xe3/0x730 [ 394.110068] ? ipv6_get_ifaddr+0x42e/0x620 [ 394.114317] __alloc_skb+0x119/0x770 [ 394.118042] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 394.123364] ? netdev_alloc_frag+0x1f0/0x1f0 [ 394.127784] ? lock_downgrade+0x900/0x900 [ 394.131941] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.137485] ? refcount_sub_and_test_checked+0x203/0x310 [ 394.142945] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 394.148407] ? addrconf_rs_timer+0x690/0x690 [ 394.152829] ndisc_alloc_skb+0x144/0x340 [ 394.156904] ndisc_send_rs+0x331/0x6e0 [ 394.160800] addrconf_rs_timer+0x314/0x690 [ 394.165050] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 394.169301] call_timer_fn+0x272/0x920 [ 394.173190] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 394.177430] ? process_timeout+0x40/0x40 [ 394.181503] ? mark_held_locks+0xc7/0x130 [ 394.185671] ? _raw_spin_unlock_irq+0x27/0x80 [ 394.190167] ? _raw_spin_unlock_irq+0x27/0x80 [ 394.194664] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 394.198903] ? lockdep_hardirqs_on+0x296/0x5b0 [ 394.203504] ? trace_hardirqs_on+0xbd/0x310 [ 394.207829] ? kasan_check_read+0x11/0x20 [ 394.211976] ? __run_timers+0x7da/0xc70 [ 394.215955] ? trace_hardirqs_off_caller+0x310/0x310 [ 394.221066] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 394.225321] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 394.229571] __run_timers+0x7e5/0xc70 [ 394.233387] ? timer_fixup_init+0x70/0x70 [ 394.237539] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 394.242575] ? zap_class+0x640/0x640 [ 394.246308] ? print_usage_bug+0xc0/0xc0 [ 394.250373] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 394.255577] ? find_held_lock+0x36/0x1c0 [ 394.259644] ? zap_class+0x640/0x640 [ 394.263362] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.268916] ? check_preemption_disabled+0x48/0x280 [ 394.273960] ? __lock_is_held+0xb5/0x140 [ 394.278031] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.283924] ? check_preemption_disabled+0x48/0x280 [ 394.288952] run_timer_softirq+0x52/0xb0 [ 394.293040] ? rcu_read_lock_sched_held+0x14f/0x180 [ 394.298064] __do_softirq+0x308/0xb7e [ 394.301872] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 394.306372] ? lock_downgrade+0x900/0x900 [ 394.310596] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 394.315734] ? pvclock_read_flags+0x160/0x160 [ 394.320227] ? lapic_next_event+0x5a/0x90 [ 394.324376] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.329926] ? kvm_clock_read+0x18/0x30 [ 394.333921] ? kvm_sched_clock_read+0x9/0x20 [ 394.338348] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.343892] ? check_preemption_disabled+0x48/0x280 [ 394.348936] irq_exit+0x17f/0x1c0 [ 394.352400] smp_apic_timer_interrupt+0x1cb/0x760 [ 394.357241] ? smp_reschedule_interrupt+0x109/0x650 [ 394.362291] ? smp_call_function_single_interrupt+0x650/0x650 [ 394.368188] ? interrupt_entry+0xb5/0xc0 [ 394.372258] ? trace_hardirqs_off_caller+0xbb/0x310 [ 394.377304] ? trace_hardirqs_off_caller+0xbb/0x310 [ 394.382328] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 394.387176] ? trace_hardirqs_on_caller+0x310/0x310 [ 394.392193] ? trace_hardirqs_on_caller+0x310/0x310 [ 394.397228] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 394.402087] apic_timer_interrupt+0xf/0x20 [ 394.406317] [ 394.408563] RIP: 0010:dump_stack+0x358/0x39d [ 394.412972] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 f1 36 ed f9 48 83 3d f9 27 7c 01 00 0f 84 63 fe ff ff e8 6e b7 a9 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b b7 a9 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 394.431883] RSP: 0000:ffff8881bb40e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 394.439603] RAX: ffff8881c2208180 RBX: 1ffffffff12a3f6e RCX: 1ffff1103844114e [ 394.446885] RDX: 0000000000000000 RSI: ffffffff87d5d382 RDI: 0000000000000293 [ 394.454187] RBP: ffff8881bb40e290 R08: ffff8881c2208a70 R09: 0000000000000006 [ 394.461455] R10: 0000000000000000 R11: ffff8881c2208180 R12: 1ffff11037681c45 [ 394.468725] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 394.476075] ? dump_stack+0x34f/0x39d [ 394.479928] ? dump_stack_print_info.cold.1+0x20/0x20 [ 394.485126] ? mark_held_locks+0x130/0x130 [ 394.489364] ? mark_held_locks+0x130/0x130 [ 394.493610] dump_header+0x27b/0xf72 [ 394.497339] ? pagefault_out_of_memory+0x197/0x197 [ 394.502281] ? __lock_acquire+0x62f/0x4c20 [ 394.506518] ? percpu_ref_get_many+0x240/0x240 [ 394.511111] ? print_usage_bug+0xc0/0xc0 [ 394.515181] ? zap_class+0x640/0x640 [ 394.518898] ? print_usage_bug+0xc0/0xc0 [ 394.522990] ? print_usage_bug+0xc0/0xc0 [ 394.527063] ? zap_class+0x640/0x640 [ 394.530804] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.536349] ? find_held_lock+0x36/0x1c0 [ 394.540445] ? mark_held_locks+0xc7/0x130 [ 394.544598] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 394.549705] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 394.554842] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 394.559427] ? trace_hardirqs_on+0xbd/0x310 [ 394.563751] ? kasan_check_read+0x11/0x20 [ 394.567897] ? ___ratelimit+0x3b4/0x672 [ 394.571870] ? trace_hardirqs_off_caller+0x310/0x310 [ 394.576976] ? trace_hardirqs_on+0x310/0x310 [ 394.581409] ? lock_downgrade+0x900/0x900 [ 394.585565] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 394.590673] ? ___ratelimit+0x3b9/0x672 [ 394.594654] ? idr_get_free+0xf70/0xf70 [ 394.598628] ? find_held_lock+0x36/0x1c0 [ 394.602702] oom_kill_process.cold.27+0x10/0x903 [ 394.607479] ? zap_class+0x640/0x640 [ 394.611197] ? check_preemption_disabled+0x48/0x280 [ 394.616218] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 394.621153] ? kasan_check_read+0x11/0x20 [ 394.625304] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 394.630603] ? oom_evaluate_task+0x540/0x540 [ 394.635027] ? find_held_lock+0x36/0x1c0 [ 394.639134] ? out_of_memory+0x974/0x1430 [ 394.643285] ? lock_downgrade+0x900/0x900 [ 394.647434] ? check_preemption_disabled+0x48/0x280 [ 394.652464] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 394.657402] ? kasan_check_read+0x11/0x20 [ 394.661554] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 394.666830] ? rcu_softirq_qs+0x20/0x20 [ 394.670840] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.676379] ? oom_evaluate_task+0x302/0x540 [ 394.680797] out_of_memory+0xa84/0x1430 [ 394.684779] ? oom_killer_disable+0x3a0/0x3a0 [ 394.689287] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 394.694238] ? __ww_mutex_check_waiters+0x160/0x160 [ 394.699270] __alloc_pages_slowpath+0x232c/0x2de0 [ 394.704141] ? warn_alloc+0x120/0x120 [ 394.707940] ? mark_held_locks+0x130/0x130 [ 394.712185] ? find_get_entry+0xaae/0x1120 [ 394.716429] ? filemap_map_pages+0x1a20/0x1a20 [ 394.721029] ? zap_class+0x640/0x640 [ 394.724756] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.730301] ? check_preemption_disabled+0x48/0x280 [ 394.735323] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.740862] ? should_fail+0x22d/0xd01 [ 394.744755] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 394.749864] ? zap_class+0x640/0x640 [ 394.753606] ? __lock_is_held+0xb5/0x140 [ 394.757675] ? mark_held_locks+0x130/0x130 [ 394.761947] ? lock_release+0xa00/0xa00 [ 394.765925] ? perf_trace_sched_process_exec+0x860/0x860 [ 394.771379] ? xa_load+0x2ba/0x460 [ 394.774931] ? lock_downgrade+0x900/0x900 [ 394.779085] ? __might_sleep+0x95/0x190 [ 394.783098] __alloc_pages_nodemask+0xad8/0xea0 [ 394.787777] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 394.792796] ? __page_cache_alloc+0x191/0x5c0 [ 394.797289] ? xa_load+0x2e1/0x460 [ 394.800831] ? xa_clear_mark+0x40/0x40 [ 394.804742] ? zap_class+0x640/0x640 [ 394.808465] ? zap_class+0x640/0x640 [ 394.812194] ? zap_class+0x640/0x640 [ 394.815907] ? __do_page_cache_readahead+0x663/0x810 [ 394.821038] ? find_held_lock+0x36/0x1c0 [ 394.825112] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 394.830660] alloc_pages_current+0x173/0x350 [ 394.835079] __page_cache_alloc+0x38c/0x5c0 [ 394.839405] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 394.844343] ? kasan_check_read+0x11/0x20 [ 394.848498] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 394.853779] ? generic_perform_write+0x6a0/0x6a0 [ 394.858543] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.864087] ? check_preemption_disabled+0x48/0x280 [ 394.869146] filemap_fault+0x1595/0x25f0 [ 394.873254] ? __lock_page_or_retry+0xa00/0xa00 [ 394.877924] ? mark_held_locks+0x130/0x130 [ 394.882168] ? filemap_map_pages+0xd6b/0x1a20 [ 394.886667] ? lock_downgrade+0x900/0x900 [ 394.890820] ? check_preemption_disabled+0x48/0x280 [ 394.895842] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 394.900786] ? kasan_check_read+0x11/0x20 [ 394.904933] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 394.910214] ? rcu_softirq_qs+0x20/0x20 [ 394.914203] ? filemap_map_pages+0xd92/0x1a20 [ 394.918712] ? find_get_entries_tag+0x1400/0x1400 [ 394.923560] ? debug_object_destroy+0x2b0/0x2b0 [ 394.928233] ? lock_pi_update_atomic+0x150/0x150 [ 394.932996] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.938555] ? lock_acquire+0x1ed/0x520 [ 394.942530] ? ext4_filemap_fault+0x7a/0xad [ 394.946874] ? lock_release+0xa00/0xa00 [ 394.950846] ? perf_trace_sched_process_exec+0x860/0x860 [ 394.956298] ? print_usage_bug+0xc0/0xc0 [ 394.960365] ? print_usage_bug+0xc0/0xc0 [ 394.964450] ? down_read+0x8d/0x120 [ 394.968081] ? ext4_filemap_fault+0x7a/0xad [ 394.972422] ? __down_interruptible+0x700/0x700 [ 394.977105] ext4_filemap_fault+0x82/0xad [ 394.981274] __do_fault+0x100/0x6b0 [ 394.984903] ? find_held_lock+0x36/0x1c0 [ 394.988983] ? pmd_devmap_trans_unstable+0x220/0x220 [ 394.994123] ? mark_held_locks+0x130/0x130 [ 394.998361] ? mark_held_locks+0x130/0x130 [ 395.002607] ? debug_smp_processor_id+0x1c/0x20 [ 395.007283] ? perf_trace_lock+0x14d/0x7a0 [ 395.011541] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 395.017085] __handle_mm_fault+0x3ea0/0x5be0 [ 395.021504] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 395.026352] ? lock_is_held_type+0x210/0x210 [ 395.030806] ? __switch_to_asm+0x34/0x70 [ 395.034866] ? __switch_to_asm+0x34/0x70 [ 395.038974] ? zap_class+0x640/0x640 [ 395.042688] ? zap_class+0x640/0x640 [ 395.046410] ? __x64_sys_futex+0x53e/0x6a0 [ 395.050655] ? find_held_lock+0x36/0x1c0 [ 395.054729] ? handle_mm_fault+0x42a/0xc70 [ 395.058966] ? lock_downgrade+0x900/0x900 [ 395.063120] ? check_preemption_disabled+0x48/0x280 [ 395.068146] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 395.073074] ? kasan_check_read+0x11/0x20 [ 395.077223] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 395.082501] ? rcu_softirq_qs+0x20/0x20 [ 395.086478] ? trace_hardirqs_off_caller+0x310/0x310 [ 395.091590] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 395.097132] ? check_preemption_disabled+0x48/0x280 [ 395.102159] handle_mm_fault+0x54f/0xc70 [ 395.106229] ? __handle_mm_fault+0x5be0/0x5be0 [ 395.110834] ? find_vma+0x34/0x190 [ 395.114381] __do_page_fault+0x5e8/0xe60 [ 395.118448] ? trace_hardirqs_off+0xb8/0x310 [ 395.122874] do_page_fault+0xf2/0x7e0 [ 395.126684] ? vmalloc_sync_all+0x30/0x30 [ 395.130833] ? error_entry+0x70/0xd0 [ 395.134581] ? trace_hardirqs_off_caller+0xbb/0x310 [ 395.139598] ? trace_hardirqs_on_caller+0xc0/0x310 [ 395.144533] ? syscall_return_slowpath+0x5e0/0x5e0 [ 395.149468] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 395.154317] ? trace_hardirqs_on_caller+0x310/0x310 [ 395.159338] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 395.164795] ? prepare_exit_to_usermode+0x291/0x3b0 [ 395.169816] ? page_fault+0x8/0x30 [ 395.173381] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 395.178256] ? page_fault+0x8/0x30 [ 395.182323] page_fault+0x1e/0x30 [ 395.185774] RIP: 0033:0x45ddf3 [ 395.188976] Code: Bad RIP value. [ 395.192336] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 395.197698] RAX: ffffffffffffff92 RBX: 0000000028898d51 RCX: 000000000045ddf3 [ 395.204969] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014f1120 [ 395.212239] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 395.219509] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 395.226778] R13: 000000c42841fe60 R14: 0000000000000001 R15: 0000000000000000 [ 395.234075] warn_alloc_show_mem: 1 callbacks suppressed [ 395.234087] CPU: 1 PID: 16798 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #167 [ 395.234089] Mem-Info: [ 395.234120] active_anon:45985 inactive_anon:296 isolated_anon:0 [ 395.234120] active_file:15 inactive_file:8 isolated_file:0 [ 395.234120] unevictable:0 dirty:0 writeback:0 unstable:0 [ 395.234120] slab_reclaimable:9236 slab_unreclaimable:1461135 [ 395.234120] mapped:40979 shmem:353 pagetables:587 bounce:0 [ 395.234120] free:13771 free_pcp:249 free_cma:0 [ 395.239462] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 395.246831] Node 0 active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1412kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 395.249231] Call Trace: [ 395.282031] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 395.291392] [ 395.319074] lowmem_reserve[]: 0 2818 6321 6321 [ 395.321667] dump_stack+0x244/0x39d [ 395.347773] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:404kB local_pcp:156kB free_cma:0kB [ 395.349932] ? dump_stack_print_info.cold.1+0x20/0x20 [ 395.354472] lowmem_reserve[]: 0 0 3503 3503 [ 395.358116] warn_alloc.cold.116+0xb7/0x1bd [ 395.385592] Node 0 Normal free:14000kB min:37364kB low:46704kB high:56044kB active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2348kB bounce:0kB free_pcp:592kB local_pcp:388kB free_cma:0kB [ 395.390788] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 395.395082] lowmem_reserve[]: 0 0 0 0 [ 395.399414] ? lock_downgrade+0x900/0x900 [ 395.399436] ? trace_hardirqs_off+0xb8/0x310 [ 395.428397] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 395.433259] ? trace_hardirqs_off+0xb8/0x310 [ 395.437037] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 2*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 395.441192] __alloc_pages_slowpath+0x2651/0x2de0 [ 395.445568] Node 0 Normal: 794*4kB (MEH) 441*8kB (UMEH) 176*16kB (UME) 69*32kB (UMEH) 18*64kB (UM) 1*128kB (U) 2*256kB (U) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14032kB [ 395.459119] ? warn_alloc+0x120/0x120 [ 395.463503] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 395.478595] ? print_usage_bug+0xc0/0xc0 [ 395.483423] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 395.498895] ? warn_alloc+0x120/0x120 [ 395.502670] 376 total pagecache pages [ 395.511510] ? warn_alloc+0x120/0x120 [ 395.515555] 0 pages in swap cache [ 395.524128] ? print_usage_bug+0xc0/0xc0 [ 395.527906] Swap cache stats: add 0, delete 0, find 0/0 [ 395.531708] ? print_usage_bug+0xc0/0xc0 [ 395.535477] Free swap = 0kB [ 395.538933] ? __lock_acquire+0x62f/0x4c20 [ 395.542963] Total swap = 0kB [ 395.542971] 1965979 pages RAM [ 395.548339] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 395.552372] 0 pages HighMem/MovableOnly [ 395.555406] ? should_fail+0x22d/0xd01 [ 395.559614] 342854 pages reserved [ 395.562634] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 395.565721] 0 pages cma reserved [ 395.565791] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 395.571261] ? __lock_acquire+0x62f/0x4c20 [ 395.571281] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 395.571297] ? __lock_acquire+0x62f/0x4c20 [ 395.575328] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 395.579156] ? should_fail+0x22d/0xd01 [ 395.582588] syz-fuzzer cpuset=/ mems_allowed=0 [ 395.587684] ? find_held_lock+0x36/0x1c0 [ 395.633914] ? mark_held_locks+0x130/0x130 [ 395.638160] ? mark_held_locks+0x130/0x130 [ 395.642394] ? zap_class+0x640/0x640 [ 395.646109] ? zap_class+0x640/0x640 [ 395.649825] ? print_usage_bug+0xc0/0xc0 [ 395.653891] ? do_raw_spin_unlock+0xa7/0x330 [ 395.658301] ? zap_class+0x640/0x640 [ 395.662028] ? print_usage_bug+0xc0/0xc0 [ 395.666092] ? wq_watchdog_touch+0x9c/0xfe [ 395.670334] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.675876] ? check_preemption_disabled+0x48/0x280 [ 395.680934] ? __lock_is_held+0xb5/0x140 [ 395.685008] __alloc_pages_nodemask+0xad8/0xea0 [ 395.689689] ? zap_class+0x640/0x640 [ 395.693414] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 395.698461] ? find_held_lock+0x36/0x1c0 [ 395.702539] ? ____cache_alloc_node+0x1c7/0x1e0 [ 395.707233] ? lock_downgrade+0x900/0x900 [ 395.711399] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.716948] cache_grow_begin+0xa5/0x8c0 [ 395.721012] ? do_raw_spin_unlock+0xa7/0x330 [ 395.725457] fallback_alloc+0x204/0x2e0 [ 395.729443] ____cache_alloc_node+0x1c7/0x1e0 [ 395.733947] kmem_cache_alloc_node+0xe3/0x730 [ 395.738475] ? ipv6_get_ifaddr+0x42e/0x620 [ 395.742722] __alloc_skb+0x119/0x770 [ 395.746439] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 395.751723] ? netdev_alloc_frag+0x1f0/0x1f0 [ 395.756138] ? lock_downgrade+0x900/0x900 [ 395.760299] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.765843] ? refcount_sub_and_test_checked+0x203/0x310 [ 395.771302] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 395.776793] ? addrconf_rs_timer+0x690/0x690 [ 395.781240] ndisc_alloc_skb+0x144/0x340 [ 395.785309] ndisc_send_rs+0x331/0x6e0 [ 395.789206] addrconf_rs_timer+0x314/0x690 [ 395.793452] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.797700] call_timer_fn+0x272/0x920 [ 395.801591] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.805828] ? process_timeout+0x40/0x40 [ 395.809908] ? __run_timers+0x7da/0xc70 [ 395.813898] ? _raw_spin_unlock_irq+0x27/0x80 [ 395.818399] ? _raw_spin_unlock_irq+0x27/0x80 [ 395.822903] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.827147] ? lockdep_hardirqs_on+0x296/0x5b0 [ 395.831734] ? trace_hardirqs_on+0xbd/0x310 [ 395.836085] ? kasan_check_read+0x11/0x20 [ 395.840258] ? __run_timers+0x7da/0xc70 [ 395.844251] ? trace_hardirqs_off_caller+0x310/0x310 [ 395.849363] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.853606] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.857841] __run_timers+0x7e5/0xc70 [ 395.861655] ? timer_fixup_init+0x70/0x70 [ 395.865810] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 395.870831] ? zap_class+0x640/0x640 [ 395.874549] ? enqueue_hrtimer+0x1a5/0x560 [ 395.878798] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 395.883995] ? find_held_lock+0x36/0x1c0 [ 395.888069] ? zap_class+0x640/0x640 [ 395.891793] ? pvclock_read_flags+0x160/0x160 [ 395.896297] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.901846] ? check_preemption_disabled+0x48/0x280 [ 395.906877] ? __lock_is_held+0xb5/0x140 [ 395.910952] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.916496] ? check_preemption_disabled+0x48/0x280 [ 395.921524] run_timer_softirq+0x52/0xb0 [ 395.925596] ? rcu_read_lock_sched_held+0x14f/0x180 [ 395.930620] __do_softirq+0x308/0xb7e [ 395.934435] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 395.938931] ? lock_downgrade+0x900/0x900 [ 395.943095] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 395.948253] ? pvclock_read_flags+0x160/0x160 [ 395.952783] ? lapic_next_event+0x5a/0x90 [ 395.956938] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.962518] ? kvm_clock_read+0x18/0x30 [ 395.966498] ? kvm_sched_clock_read+0x9/0x20 [ 395.970931] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.976474] ? check_preemption_disabled+0x48/0x280 [ 395.981502] irq_exit+0x17f/0x1c0 [ 395.984974] smp_apic_timer_interrupt+0x1cb/0x760 [ 395.989823] ? smp_reschedule_interrupt+0x109/0x650 [ 395.994846] ? smp_call_function_single_interrupt+0x650/0x650 [ 396.000748] ? interrupt_entry+0xb5/0xc0 [ 396.004832] ? trace_hardirqs_off_caller+0xbb/0x310 [ 396.009854] ? trace_hardirqs_off_caller+0xbb/0x310 [ 396.014888] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 396.019736] ? trace_hardirqs_on_caller+0x310/0x310 [ 396.024757] ? trace_hardirqs_on_caller+0x310/0x310 [ 396.029778] ? task_prio+0x50/0x50 [ 396.033325] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.038866] ? check_preemption_disabled+0x48/0x280 [ 396.043900] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 396.048757] apic_timer_interrupt+0xf/0x20 [ 396.053006] [ 396.055260] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 396.060196] Code: 7e 0f 85 cf fe ff ff e8 66 cb 3d ff e9 c5 fe ff ff e8 0d 01 c3 ff 48 83 3d a5 49 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 42 f3 [ 396.079124] RSP: 0018:ffff888195497718 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 396.086850] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 396.094136] RDX: 0000000000000000 RSI: ffff8881d2488b40 RDI: 0000000000000282 [ 396.101416] RBP: ffff888195497780 R08: ffff8881d24882c0 R09: 0000000000000000 [ 396.108695] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 396.116007] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020 [ 396.123340] skb_clone+0x1bb/0x500 [ 396.126908] ? skb_split+0x11e0/0x11e0 [ 396.130815] ? check_preemption_disabled+0x48/0x280 [ 396.135862] ? __this_cpu_preempt_check+0x1c/0x20 [ 396.140715] ? __bpf_redirect+0x55b/0xb60 [ 396.144867] ? __switch_to_asm+0x34/0x70 [ 396.148930] ? __switch_to_asm+0x40/0x70 [ 396.152999] bpf_clone_redirect+0xb9/0x490 [ 396.157258] bpf_prog_3d1649e183dc2cc1+0xaf9/0x1000 [ 396.162287] ? __sched_text_start+0x8/0x8 [ 396.166454] ? find_held_lock+0x36/0x1c0 [ 396.170533] ? lock_acquire+0x1ed/0x520 [ 396.174512] ? bpf_test_run+0x3cb/0x780 [ 396.178490] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.184060] ? check_preemption_disabled+0x48/0x280 [ 396.189090] ? kasan_check_read+0x11/0x20 [ 396.193240] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 396.198533] ? rcu_softirq_qs+0x20/0x20 [ 396.202516] ? preempt_schedule+0x4d/0x60 [ 396.206666] ? ___preempt_schedule+0x16/0x18 [ 396.211123] ? bpf_test_run+0x25d/0x780 [ 396.215111] ? netlink_diag_dump+0x2a0/0x2a0 [ 396.219527] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 396.225069] ? bpf_test_init.isra.10+0x70/0x100 [ 396.229749] ? bpf_prog_test_run_skb+0x73b/0xd10 [ 396.234523] ? bpf_test_finish.isra.9+0x260/0x260 [ 396.239394] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 396.244953] ? fput+0x130/0x1a0 [ 396.248260] ? __bpf_prog_get+0x9b/0x290 [ 396.252332] ? bpf_test_finish.isra.9+0x260/0x260 [ 396.257183] ? bpf_prog_test_run+0x130/0x1a0 [ 396.261600] ? __x64_sys_bpf+0x3db/0x520 [ 396.265666] ? bpf_prog_get+0x20/0x20 [ 396.269494] ? do_syscall_64+0x1b9/0x820 [ 396.273562] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 396.278932] ? syscall_return_slowpath+0x5e0/0x5e0 [ 396.283863] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 396.288720] ? trace_hardirqs_on_caller+0x310/0x310 [ 396.293742] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 396.298766] ? prepare_exit_to_usermode+0x291/0x3b0 [ 396.303795] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 396.308695] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 396.314627] CPU: 0 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #167 [ 396.314694] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 396.321643] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 396.321649] Call Trace: [ 396.321655] [ 396.321676] dump_stack+0x244/0x39d [ 396.321693] ? dump_stack_print_info.cold.1+0x20/0x20 [ 396.321717] warn_alloc.cold.116+0xb7/0x1bd [ 396.328420] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 396.337572] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 396.340148] syz-executor0 cpuset=syz0 mems_allowed=0 [ 396.342301] ? lock_downgrade+0x900/0x900 [ 396.379961] ? trace_hardirqs_off+0xb8/0x310 [ 396.384396] ? trace_hardirqs_off+0xb8/0x310 [ 396.388860] __alloc_pages_slowpath+0x2651/0x2de0 [ 396.393772] ? warn_alloc+0x120/0x120 [ 396.397587] ? print_usage_bug+0xc0/0xc0 [ 396.401655] ? warn_alloc+0x120/0x120 [ 396.405510] ? warn_alloc+0x120/0x120 [ 396.409317] ? print_usage_bug+0xc0/0xc0 [ 396.413395] ? print_usage_bug+0xc0/0xc0 [ 396.417461] ? __lock_acquire+0x62f/0x4c20 [ 396.421709] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 396.427271] ? should_fail+0x22d/0xd01 [ 396.431169] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 396.436283] ? __lock_acquire+0x62f/0x4c20 [ 396.440528] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 396.445637] ? __lock_acquire+0x62f/0x4c20 [ 396.449875] ? should_fail+0x22d/0xd01 [ 396.453772] ? find_held_lock+0x36/0x1c0 [ 396.457849] ? mark_held_locks+0x130/0x130 [ 396.462111] ? mark_held_locks+0x130/0x130 [ 396.466351] ? zap_class+0x640/0x640 [ 396.470097] ? zap_class+0x640/0x640 [ 396.473849] ? print_usage_bug+0xc0/0xc0 [ 396.477905] ? do_raw_spin_unlock+0xa7/0x330 [ 396.482314] ? zap_class+0x640/0x640 [ 396.486039] ? print_usage_bug+0xc0/0xc0 [ 396.490104] ? wq_watchdog_touch+0x9c/0xfe [ 396.494348] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.499893] ? check_preemption_disabled+0x48/0x280 [ 396.504929] ? __lock_is_held+0xb5/0x140 [ 396.509001] __alloc_pages_nodemask+0xad8/0xea0 [ 396.513687] ? zap_class+0x640/0x640 [ 396.517414] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 396.522448] ? find_held_lock+0x36/0x1c0 [ 396.526524] ? ____cache_alloc_node+0x1c7/0x1e0 [ 396.531202] ? lock_downgrade+0x900/0x900 [ 396.535364] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.540920] cache_grow_begin+0xa5/0x8c0 [ 396.544992] ? do_raw_spin_unlock+0xa7/0x330 [ 396.549427] fallback_alloc+0x204/0x2e0 [ 396.553438] ____cache_alloc_node+0x1c7/0x1e0 [ 396.557948] kmem_cache_alloc_node+0xe3/0x730 [ 396.562449] ? ipv6_get_ifaddr+0x42e/0x620 [ 396.566703] __alloc_skb+0x119/0x770 [ 396.570425] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 396.575726] ? netdev_alloc_frag+0x1f0/0x1f0 [ 396.580147] ? lock_downgrade+0x900/0x900 [ 396.584312] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.589858] ? refcount_sub_and_test_checked+0x203/0x310 [ 396.595320] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 396.600787] ? addrconf_rs_timer+0x690/0x690 [ 396.605219] ndisc_alloc_skb+0x144/0x340 [ 396.609296] ndisc_send_rs+0x331/0x6e0 [ 396.613208] addrconf_rs_timer+0x314/0x690 [ 396.617452] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.621703] call_timer_fn+0x272/0x920 [ 396.625594] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.629834] ? process_timeout+0x40/0x40 [ 396.633915] ? mark_held_locks+0xc7/0x130 [ 396.638073] ? _raw_spin_unlock_irq+0x27/0x80 [ 396.642574] ? _raw_spin_unlock_irq+0x27/0x80 [ 396.647072] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.651316] ? lockdep_hardirqs_on+0x296/0x5b0 [ 396.655905] ? trace_hardirqs_on+0xbd/0x310 [ 396.660318] ? kasan_check_read+0x11/0x20 [ 396.664474] ? __run_timers+0x7da/0xc70 [ 396.668459] ? trace_hardirqs_off_caller+0x310/0x310 [ 396.673575] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.677825] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.682062] __run_timers+0x7e5/0xc70 [ 396.685874] ? timer_fixup_init+0x70/0x70 [ 396.690042] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 396.695063] ? zap_class+0x640/0x640 [ 396.698789] ? print_usage_bug+0xc0/0xc0 [ 396.702885] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 396.708088] ? find_held_lock+0x36/0x1c0 [ 396.712160] ? zap_class+0x640/0x640 [ 396.715884] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.721431] ? check_preemption_disabled+0x48/0x280 [ 396.726466] ? __lock_is_held+0xb5/0x140 [ 396.730537] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.736096] ? check_preemption_disabled+0x48/0x280 [ 396.741124] run_timer_softirq+0x52/0xb0 [ 396.745211] ? rcu_read_lock_sched_held+0x14f/0x180 [ 396.750235] __do_softirq+0x308/0xb7e [ 396.754054] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 396.758558] ? lock_downgrade+0x900/0x900 [ 396.762715] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 396.767832] ? pvclock_read_flags+0x160/0x160 [ 396.772335] ? lapic_next_event+0x5a/0x90 [ 396.776495] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.782060] ? kvm_clock_read+0x18/0x30 [ 396.786047] ? kvm_sched_clock_read+0x9/0x20 [ 396.790469] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 396.796054] ? check_preemption_disabled+0x48/0x280 [ 396.801087] irq_exit+0x17f/0x1c0 [ 396.804548] smp_apic_timer_interrupt+0x1cb/0x760 [ 396.809403] ? smp_reschedule_interrupt+0x109/0x650 [ 396.814429] ? smp_call_function_single_interrupt+0x650/0x650 [ 396.820327] ? interrupt_entry+0xb5/0xc0 [ 396.824418] ? trace_hardirqs_off_caller+0xbb/0x310 [ 396.829442] ? trace_hardirqs_off_caller+0xbb/0x310 [ 396.834471] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 396.839332] ? trace_hardirqs_on_caller+0x310/0x310 [ 396.844372] ? trace_hardirqs_on_caller+0x310/0x310 [ 396.849416] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 396.854296] apic_timer_interrupt+0xf/0x20 [ 396.858552] [ 396.860797] RIP: 0010:dump_stack+0x358/0x39d [ 396.865212] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 f1 36 ed f9 48 83 3d f9 27 7c 01 00 0f 84 63 fe ff ff e8 6e b7 a9 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b b7 a9 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 396.884140] RSP: 0000:ffff8881bb40e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 396.891866] RAX: ffff8881c2208180 RBX: 1ffffffff12a3f6e RCX: 1ffff1103844114e [ 396.899148] RDX: 0000000000000000 RSI: ffffffff87d5d382 RDI: 0000000000000293 [ 396.906427] RBP: ffff8881bb40e290 R08: ffff8881c2208a70 R09: 0000000000000006 [ 396.913708] R10: 0000000000000000 R11: ffff8881c2208180 R12: 1ffff11037681c45 [ 396.920988] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 396.928303] ? dump_stack+0x34f/0x39d [ 396.932133] ? dump_stack_print_info.cold.1+0x20/0x20 [ 396.937345] ? mark_held_locks+0x130/0x130 [ 396.941592] ? mark_held_locks+0x130/0x130 [ 396.945839] dump_header+0x27b/0xf72 [ 396.949585] ? pagefault_out_of_memory+0x197/0x197 [ 396.954530] ? __lock_acquire+0x62f/0x4c20 [ 396.958802] ? percpu_ref_get_many+0x240/0x240 [ 396.963417] ? print_usage_bug+0xc0/0xc0 [ 396.967503] ? zap_class+0x640/0x640 [ 396.971238] ? print_usage_bug+0xc0/0xc0 [ 396.975314] ? print_usage_bug+0xc0/0xc0 [ 396.979382] ? zap_class+0x640/0x640 [ 396.983125] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.988683] ? find_held_lock+0x36/0x1c0 [ 396.992760] ? mark_held_locks+0xc7/0x130 [ 396.996919] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 397.002045] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 397.007169] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 397.011776] ? trace_hardirqs_on+0xbd/0x310 [ 397.016122] ? kasan_check_read+0x11/0x20 [ 397.020296] ? ___ratelimit+0x3b4/0x672 [ 397.024315] ? trace_hardirqs_off_caller+0x310/0x310 [ 397.029428] ? trace_hardirqs_on+0x310/0x310 [ 397.033856] ? lock_downgrade+0x900/0x900 [ 397.038051] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 397.043187] ? ___ratelimit+0x3b9/0x672 [ 397.047179] ? idr_get_free+0xf70/0xf70 [ 397.051158] ? find_held_lock+0x36/0x1c0 [ 397.055234] oom_kill_process.cold.27+0x10/0x903 [ 397.060031] ? zap_class+0x640/0x640 [ 397.063756] ? check_preemption_disabled+0x48/0x280 [ 397.068786] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 397.073752] ? kasan_check_read+0x11/0x20 [ 397.077908] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 397.083191] ? oom_evaluate_task+0x540/0x540 [ 397.087608] ? find_held_lock+0x36/0x1c0 [ 397.091684] ? out_of_memory+0x974/0x1430 [ 397.095841] ? lock_downgrade+0x900/0x900 [ 397.099996] ? check_preemption_disabled+0x48/0x280 [ 397.105037] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 397.109973] ? kasan_check_read+0x11/0x20 [ 397.114125] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 397.119410] ? rcu_softirq_qs+0x20/0x20 [ 397.123399] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 397.128941] ? oom_evaluate_task+0x302/0x540 [ 397.133379] out_of_memory+0xa84/0x1430 [ 397.137392] ? oom_killer_disable+0x3a0/0x3a0 [ 397.141895] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 397.146840] ? __ww_mutex_check_waiters+0x160/0x160 [ 397.151877] __alloc_pages_slowpath+0x232c/0x2de0 [ 397.156757] ? warn_alloc+0x120/0x120 [ 397.160593] ? mark_held_locks+0x130/0x130 [ 397.164882] ? find_get_entry+0xaae/0x1120 [ 397.169129] ? filemap_map_pages+0x1a20/0x1a20 [ 397.173738] ? zap_class+0x640/0x640 [ 397.177491] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.183252] ? check_preemption_disabled+0x48/0x280 [ 397.188277] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 397.193820] ? should_fail+0x22d/0xd01 [ 397.197714] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 397.202824] ? zap_class+0x640/0x640 [ 397.206565] ? __lock_is_held+0xb5/0x140 [ 397.210637] ? mark_held_locks+0x130/0x130 [ 397.214876] ? lock_release+0xa00/0xa00 [ 397.218851] ? perf_trace_sched_process_exec+0x860/0x860 [ 397.224302] ? xa_load+0x2ba/0x460 [ 397.227849] ? lock_downgrade+0x900/0x900 [ 397.232013] ? __might_sleep+0x95/0x190 [ 397.236006] __alloc_pages_nodemask+0xad8/0xea0 [ 397.240701] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 397.245737] ? __page_cache_alloc+0x191/0x5c0 [ 397.250233] ? xa_load+0x2e1/0x460 [ 397.253811] ? xa_clear_mark+0x40/0x40 [ 397.257706] ? zap_class+0x640/0x640 [ 397.261433] ? zap_class+0x640/0x640 [ 397.265152] ? zap_class+0x640/0x640 [ 397.268899] ? __do_page_cache_readahead+0x663/0x810 [ 397.274028] ? find_held_lock+0x36/0x1c0 [ 397.278113] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 397.283664] alloc_pages_current+0x173/0x350 [ 397.288090] __page_cache_alloc+0x38c/0x5c0 [ 397.292423] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 397.297357] ? kasan_check_read+0x11/0x20 [ 397.301517] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 397.306803] ? generic_perform_write+0x6a0/0x6a0 [ 397.311573] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 397.317120] ? check_preemption_disabled+0x48/0x280 [ 397.322156] filemap_fault+0x1595/0x25f0 [ 397.326238] ? __lock_page_or_retry+0xa00/0xa00 [ 397.330918] ? mark_held_locks+0x130/0x130 [ 397.335173] ? filemap_map_pages+0xd6b/0x1a20 [ 397.339678] ? lock_downgrade+0x900/0x900 [ 397.343831] ? check_preemption_disabled+0x48/0x280 [ 397.348859] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 397.353813] ? kasan_check_read+0x11/0x20 [ 397.357965] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 397.363264] ? rcu_softirq_qs+0x20/0x20 [ 397.367261] ? filemap_map_pages+0xd92/0x1a20 [ 397.371811] ? find_get_entries_tag+0x1400/0x1400 [ 397.376670] ? debug_object_destroy+0x2b0/0x2b0 [ 397.381364] ? lock_pi_update_atomic+0x150/0x150 [ 397.386134] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.391714] ? lock_acquire+0x1ed/0x520 [ 397.395712] ? ext4_filemap_fault+0x7a/0xad [ 397.400055] ? lock_release+0xa00/0xa00 [ 397.404046] ? perf_trace_sched_process_exec+0x860/0x860 [ 397.409511] ? print_usage_bug+0xc0/0xc0 [ 397.413584] ? print_usage_bug+0xc0/0xc0 [ 397.417661] ? down_read+0x8d/0x120 [ 397.421296] ? ext4_filemap_fault+0x7a/0xad [ 397.425623] ? __down_interruptible+0x700/0x700 [ 397.430313] ext4_filemap_fault+0x82/0xad [ 397.434471] __do_fault+0x100/0x6b0 [ 397.438109] ? find_held_lock+0x36/0x1c0 [ 397.442180] ? pmd_devmap_trans_unstable+0x220/0x220 [ 397.447295] ? mark_held_locks+0x130/0x130 [ 397.451540] ? mark_held_locks+0x130/0x130 [ 397.455787] ? debug_smp_processor_id+0x1c/0x20 [ 397.460472] ? perf_trace_lock+0x14d/0x7a0 [ 397.464723] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 397.470281] __handle_mm_fault+0x3ea0/0x5be0 [ 397.474712] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 397.479566] ? lock_is_held_type+0x210/0x210 [ 397.483993] ? __switch_to_asm+0x34/0x70 [ 397.488073] ? __switch_to_asm+0x34/0x70 [ 397.492160] ? zap_class+0x640/0x640 [ 397.495883] ? zap_class+0x640/0x640 [ 397.499601] ? __x64_sys_futex+0x53e/0x6a0 [ 397.503855] ? find_held_lock+0x36/0x1c0 [ 397.507947] ? handle_mm_fault+0x42a/0xc70 [ 397.512187] ? lock_downgrade+0x900/0x900 [ 397.516341] ? check_preemption_disabled+0x48/0x280 [ 397.521412] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 397.526348] ? kasan_check_read+0x11/0x20 [ 397.530506] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 397.535789] ? rcu_softirq_qs+0x20/0x20 [ 397.539767] ? trace_hardirqs_off_caller+0x310/0x310 [ 397.544896] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 397.550450] ? check_preemption_disabled+0x48/0x280 [ 397.555487] handle_mm_fault+0x54f/0xc70 [ 397.559572] ? __handle_mm_fault+0x5be0/0x5be0 [ 397.564171] ? find_vma+0x34/0x190 [ 397.567722] __do_page_fault+0x5e8/0xe60 [ 397.571790] ? trace_hardirqs_off+0xb8/0x310 [ 397.576215] do_page_fault+0xf2/0x7e0 [ 397.580019] ? vmalloc_sync_all+0x30/0x30 [ 397.584198] ? error_entry+0x70/0xd0 [ 397.587920] ? trace_hardirqs_off_caller+0xbb/0x310 [ 397.592942] ? trace_hardirqs_on_caller+0xc0/0x310 [ 397.597882] ? syscall_return_slowpath+0x5e0/0x5e0 [ 397.602818] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 397.607688] ? trace_hardirqs_on_caller+0x310/0x310 [ 397.612712] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 397.618178] ? prepare_exit_to_usermode+0x291/0x3b0 [ 397.623204] ? page_fault+0x8/0x30 [ 397.626755] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 397.631609] ? page_fault+0x8/0x30 [ 397.635166] page_fault+0x1e/0x30 [ 397.638621] RIP: 0033:0x45ddf3 [ 397.641827] Code: Bad RIP value. [ 397.645189] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 397.650553] RAX: ffffffffffffff92 RBX: 0000000028898d51 RCX: 000000000045ddf3 [ 397.657830] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014f1120 [ 397.665106] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 397.672391] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 397.679671] R13: 000000c42841fe60 R14: 0000000000000001 R15: 0000000000000000 [ 397.686978] warn_alloc_show_mem: 1 callbacks suppressed [ 397.686992] CPU: 1 PID: 16798 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #167 [ 397.686993] Mem-Info: [ 397.687034] active_anon:45985 inactive_anon:296 isolated_anon:0 [ 397.687034] active_file:15 inactive_file:8 isolated_file:0 [ 397.687034] unevictable:0 dirty:0 writeback:0 unstable:0 [ 397.687034] slab_reclaimable:9236 slab_unreclaimable:1461135 [ 397.687034] mapped:40979 shmem:353 pagetables:587 bounce:0 [ 397.687034] free:13771 free_pcp:249 free_cma:0 [ 397.692371] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 397.692381] Call Trace: [ 397.699763] Node 0 active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1412kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 397.702167] [ 397.734958] 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 [ 397.744359] dump_stack+0x244/0x39d [ 397.746916] lowmem_reserve[]: 0 2818 6321 6321 [ 397.774602] ? dump_stack_print_info.cold.1+0x20/0x20 [ 397.776733] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:404kB local_pcp:156kB free_cma:0kB [ 397.802880] warn_alloc.cold.116+0xb7/0x1bd [ 397.806483] lowmem_reserve[]: 0 0 3503 3503 [ 397.811071] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 397.816236] Node 0 Normal free:14000kB min:37364kB low:46704kB high:56044kB active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2348kB bounce:0kB free_pcp:592kB local_pcp:388kB free_cma:0kB [ 397.843752] ? lock_downgrade+0x900/0x900 [ 397.848060] lowmem_reserve[]: 0 0 0 0 [ 397.852391] ? trace_hardirqs_off+0xb8/0x310 [ 397.857215] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 397.886206] ? trace_hardirqs_off+0xb8/0x310 [ 397.890332] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 2*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 397.894144] __alloc_pages_slowpath+0x2651/0x2de0 [ 397.898527] Node 0 Normal: 794*4kB (MEH) 441*8kB (UMEH) 176*16kB (UME) 69*32kB (UMEH) 18*64kB (UM) 1*128kB (U) 2*256kB (U) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14032kB [ 397.912099] ? warn_alloc+0x120/0x120 [ 397.916480] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 397.931571] ? print_usage_bug+0xc0/0xc0 [ 397.936402] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 397.951841] ? warn_alloc+0x120/0x120 [ 397.955625] 376 total pagecache pages [ 397.964468] ? warn_alloc+0x120/0x120 [ 397.968518] 0 pages in swap cache [ 397.977094] ? print_usage_bug+0xc0/0xc0 [ 397.980874] Swap cache stats: add 0, delete 0, find 0/0 [ 397.984680] ? kvm_clock_read+0x18/0x30 [ 397.988448] Free swap = 0kB [ 397.988457] Total swap = 0kB [ 397.991919] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 397.995955] 1965979 pages RAM [ 398.001327] ? print_usage_bug+0xc0/0xc0 [ 398.005276] 0 pages HighMem/MovableOnly [ 398.008294] ? __lock_acquire+0x62f/0x4c20 [ 398.011289] 342854 pages reserved [ 398.016327] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 398.019420] 0 pages cma reserved [ 398.023487] ? should_fail+0x22d/0xd01 [ 398.027515] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 398.031668] ? __lock_acquire+0x62f/0x4c20 [ 398.031685] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 398.031699] ? __lock_acquire+0x62f/0x4c20 [ 398.031716] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 398.035211] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 398.040681] ? __lock_acquire+0x62f/0x4c20 [ 398.040714] ? should_fail+0x22d/0xd01 [ 398.044079] syz-fuzzer cpuset=/ mems_allowed=0 [ 398.047969] ? mark_held_locks+0x130/0x130 [ 398.100196] ? mark_held_locks+0x130/0x130 [ 398.104469] ? zap_class+0x640/0x640 [ 398.108196] ? print_usage_bug+0xc0/0xc0 [ 398.112270] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.117823] ? check_preemption_disabled+0x48/0x280 [ 398.122858] ? __lock_is_held+0xb5/0x140 [ 398.126946] __alloc_pages_nodemask+0xad8/0xea0 [ 398.131623] ? zap_class+0x640/0x640 [ 398.135366] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 398.140401] ? find_held_lock+0x36/0x1c0 [ 398.144480] ? ____cache_alloc_node+0x1c7/0x1e0 [ 398.149158] ? lock_downgrade+0x900/0x900 [ 398.153330] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.158915] cache_grow_begin+0xa5/0x8c0 [ 398.162985] ? do_raw_spin_unlock+0xa7/0x330 [ 398.167406] fallback_alloc+0x204/0x2e0 [ 398.171400] ____cache_alloc_node+0x1c7/0x1e0 [ 398.175914] kmem_cache_alloc_node+0xe3/0x730 [ 398.180421] ? ipv6_get_ifaddr+0x42e/0x620 [ 398.184671] __alloc_skb+0x119/0x770 [ 398.188395] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 398.193682] ? netdev_alloc_frag+0x1f0/0x1f0 [ 398.198101] ? lock_downgrade+0x900/0x900 [ 398.202263] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.207812] ? refcount_sub_and_test_checked+0x203/0x310 [ 398.213275] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 398.218737] ? addrconf_rs_timer+0x690/0x690 [ 398.223170] ndisc_alloc_skb+0x144/0x340 [ 398.227246] ndisc_send_rs+0x331/0x6e0 [ 398.231149] addrconf_rs_timer+0x314/0x690 [ 398.235394] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 398.239653] call_timer_fn+0x272/0x920 [ 398.243554] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 398.247797] ? process_timeout+0x40/0x40 [ 398.251901] ? __run_timers+0x7da/0xc70 [ 398.255880] ? _raw_spin_unlock_irq+0x27/0x80 [ 398.260401] ? _raw_spin_unlock_irq+0x27/0x80 [ 398.264929] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 398.269200] ? lockdep_hardirqs_on+0x296/0x5b0 [ 398.273810] ? trace_hardirqs_on+0xbd/0x310 [ 398.278143] ? kasan_check_read+0x11/0x20 [ 398.282304] ? __run_timers+0x7da/0xc70 [ 398.286289] ? trace_hardirqs_off_caller+0x310/0x310 [ 398.291412] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 398.295658] __run_timers+0x7e5/0xc70 [ 398.299475] ? timer_fixup_init+0x70/0x70 [ 398.303634] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 398.308656] ? zap_class+0x640/0x640 [ 398.312877] ? enqueue_hrtimer+0x1a5/0x560 [ 398.317125] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 398.322327] ? find_held_lock+0x36/0x1c0 [ 398.326401] ? zap_class+0x640/0x640 [ 398.330123] ? pvclock_read_flags+0x160/0x160 [ 398.334627] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.340181] ? check_preemption_disabled+0x48/0x280 [ 398.345222] ? __lock_is_held+0xb5/0x140 [ 398.349290] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.354832] ? check_preemption_disabled+0x48/0x280 [ 398.359858] run_timer_softirq+0x52/0xb0 [ 398.363929] ? rcu_read_lock_sched_held+0x14f/0x180 [ 398.368952] __do_softirq+0x308/0xb7e [ 398.372810] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 398.378045] ? lock_downgrade+0x900/0x900 [ 398.382207] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 398.387323] ? pvclock_read_flags+0x160/0x160 [ 398.391841] ? lapic_next_event+0x5a/0x90 [ 398.396009] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.401569] ? kvm_clock_read+0x18/0x30 [ 398.405550] ? kvm_sched_clock_read+0x9/0x20 [ 398.409969] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.415606] ? check_preemption_disabled+0x48/0x280 [ 398.420639] irq_exit+0x17f/0x1c0 [ 398.424122] smp_apic_timer_interrupt+0x1cb/0x760 [ 398.429033] ? smp_reschedule_interrupt+0x109/0x650 [ 398.434083] ? smp_call_function_single_interrupt+0x650/0x650 [ 398.440018] ? interrupt_entry+0xb5/0xc0 [ 398.444122] ? trace_hardirqs_off_caller+0xbb/0x310 [ 398.449143] ? trace_hardirqs_off_caller+0xbb/0x310 [ 398.454165] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 398.459072] ? trace_hardirqs_on_caller+0x310/0x310 [ 398.464129] ? trace_hardirqs_on_caller+0x310/0x310 [ 398.469154] ? task_prio+0x50/0x50 [ 398.472707] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.478267] ? check_preemption_disabled+0x48/0x280 [ 398.483311] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 398.488179] apic_timer_interrupt+0xf/0x20 [ 398.492408] [ 398.494655] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 398.499590] Code: 7e 0f 85 cf fe ff ff e8 66 cb 3d ff e9 c5 fe ff ff e8 0d 01 c3 ff 48 83 3d a5 49 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 42 f3 [ 398.518501] RSP: 0018:ffff888195497718 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 398.526227] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 398.533521] RDX: 0000000000000000 RSI: ffff8881d2488b40 RDI: 0000000000000282 [ 398.540823] RBP: ffff888195497780 R08: ffff8881d24882c0 R09: 0000000000000000 [ 398.548107] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 398.555392] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020 [ 398.562747] skb_clone+0x1bb/0x500 [ 398.566304] ? skb_split+0x11e0/0x11e0 [ 398.570199] ? check_preemption_disabled+0x48/0x280 [ 398.575249] ? __this_cpu_preempt_check+0x1c/0x20 [ 398.580101] ? __bpf_redirect+0x55b/0xb60 [ 398.584257] ? __switch_to_asm+0x34/0x70 [ 398.588318] ? __switch_to_asm+0x40/0x70 [ 398.592393] bpf_clone_redirect+0xb9/0x490 [ 398.596644] bpf_prog_3d1649e183dc2cc1+0xaf9/0x1000 [ 398.601672] ? __sched_text_start+0x8/0x8 [ 398.605838] ? find_held_lock+0x36/0x1c0 [ 398.609932] ? lock_acquire+0x1ed/0x520 [ 398.613914] ? bpf_test_run+0x3cb/0x780 [ 398.617902] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.623451] ? check_preemption_disabled+0x48/0x280 [ 398.628478] ? kasan_check_read+0x11/0x20 [ 398.632634] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 398.637920] ? rcu_softirq_qs+0x20/0x20 [ 398.641905] ? preempt_schedule+0x4d/0x60 [ 398.646064] ? ___preempt_schedule+0x16/0x18 [ 398.650498] ? bpf_test_run+0x25d/0x780 [ 398.654501] ? netlink_diag_dump+0x2a0/0x2a0 [ 398.658920] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 398.664478] ? bpf_test_init.isra.10+0x70/0x100 [ 398.669164] ? bpf_prog_test_run_skb+0x73b/0xd10 [ 398.673946] ? bpf_test_finish.isra.9+0x260/0x260 [ 398.678796] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 398.684351] ? fput+0x130/0x1a0 [ 398.687649] ? __bpf_prog_get+0x9b/0x290 [ 398.691727] ? bpf_test_finish.isra.9+0x260/0x260 [ 398.696584] ? bpf_prog_test_run+0x130/0x1a0 [ 398.701009] ? __x64_sys_bpf+0x3db/0x520 [ 398.705083] ? bpf_prog_get+0x20/0x20 [ 398.708917] ? do_syscall_64+0x1b9/0x820 [ 398.712985] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 398.718373] ? syscall_return_slowpath+0x5e0/0x5e0 [ 398.723308] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 398.728161] ? trace_hardirqs_on_caller+0x310/0x310 [ 398.733194] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 398.738221] ? prepare_exit_to_usermode+0x291/0x3b0 [ 398.743343] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 398.748252] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 398.753646] CPU: 0 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #167 [ 398.753712] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 398.760665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 398.760671] Call Trace: [ 398.760677] [ 398.760699] dump_stack+0x244/0x39d [ 398.760716] ? dump_stack_print_info.cold.1+0x20/0x20 [ 398.760742] warn_alloc.cold.116+0xb7/0x1bd [ 398.767282] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 398.776586] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 398.779153] syz-executor0 cpuset=syz0 mems_allowed=0 [ 398.781301] ? lock_downgrade+0x900/0x900 [ 398.818960] ? trace_hardirqs_off+0xb8/0x310 [ 398.823393] ? trace_hardirqs_off+0xb8/0x310 [ 398.827820] __alloc_pages_slowpath+0x2651/0x2de0 [ 398.832703] ? warn_alloc+0x120/0x120 [ 398.836517] ? print_usage_bug+0xc0/0xc0 [ 398.840589] ? warn_alloc+0x120/0x120 [ 398.844409] ? warn_alloc+0x120/0x120 [ 398.848221] ? print_usage_bug+0xc0/0xc0 [ 398.852293] ? print_usage_bug+0xc0/0xc0 [ 398.856363] ? __lock_acquire+0x62f/0x4c20 [ 398.860612] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 398.866160] ? should_fail+0x22d/0xd01 [ 398.870065] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 398.875178] ? __lock_acquire+0x62f/0x4c20 [ 398.879430] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 398.884539] ? __lock_acquire+0x62f/0x4c20 [ 398.888777] ? should_fail+0x22d/0xd01 [ 398.892672] ? find_held_lock+0x36/0x1c0 [ 398.896749] ? mark_held_locks+0x130/0x130 [ 398.901034] ? mark_held_locks+0x130/0x130 [ 398.905277] ? zap_class+0x640/0x640 [ 398.909002] ? zap_class+0x640/0x640 [ 398.912731] ? print_usage_bug+0xc0/0xc0 [ 398.916810] ? do_raw_spin_unlock+0xa7/0x330 [ 398.921252] ? zap_class+0x640/0x640 [ 398.924964] ? print_usage_bug+0xc0/0xc0 [ 398.929031] ? wq_watchdog_touch+0x9c/0xfe [ 398.933276] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.938826] ? check_preemption_disabled+0x48/0x280 [ 398.943858] ? __lock_is_held+0xb5/0x140 [ 398.947934] __alloc_pages_nodemask+0xad8/0xea0 [ 398.952628] ? zap_class+0x640/0x640 [ 398.956356] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 398.961417] ? find_held_lock+0x36/0x1c0 [ 398.965498] ? ____cache_alloc_node+0x1c7/0x1e0 [ 398.970175] ? lock_downgrade+0x900/0x900 [ 398.974334] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.979897] cache_grow_begin+0xa5/0x8c0 [ 398.983958] ? do_raw_spin_unlock+0xa7/0x330 [ 398.988379] fallback_alloc+0x204/0x2e0 [ 398.992368] ____cache_alloc_node+0x1c7/0x1e0 [ 398.996874] kmem_cache_alloc_node+0xe3/0x730 [ 399.001405] ? ipv6_get_ifaddr+0x42e/0x620 [ 399.005660] __alloc_skb+0x119/0x770 [ 399.009378] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 399.014676] ? netdev_alloc_frag+0x1f0/0x1f0 [ 399.019184] ? lock_downgrade+0x900/0x900 [ 399.023408] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.028951] ? refcount_sub_and_test_checked+0x203/0x310 [ 399.034420] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 399.039882] ? addrconf_rs_timer+0x690/0x690 [ 399.044314] ndisc_alloc_skb+0x144/0x340 [ 399.048401] ndisc_send_rs+0x331/0x6e0 [ 399.052300] addrconf_rs_timer+0x314/0x690 [ 399.056547] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.060814] call_timer_fn+0x272/0x920 [ 399.064723] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.068967] ? process_timeout+0x40/0x40 [ 399.073061] ? mark_held_locks+0xc7/0x130 [ 399.077222] ? _raw_spin_unlock_irq+0x27/0x80 [ 399.081726] ? _raw_spin_unlock_irq+0x27/0x80 [ 399.086238] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.090480] ? lockdep_hardirqs_on+0x296/0x5b0 [ 399.095069] ? trace_hardirqs_on+0xbd/0x310 [ 399.099403] ? kasan_check_read+0x11/0x20 [ 399.103555] ? __run_timers+0x7da/0xc70 [ 399.107532] ? trace_hardirqs_off_caller+0x310/0x310 [ 399.112646] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.116942] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.121179] __run_timers+0x7e5/0xc70 [ 399.124995] ? timer_fixup_init+0x70/0x70 [ 399.129160] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 399.134181] ? zap_class+0x640/0x640 [ 399.137915] ? print_usage_bug+0xc0/0xc0 [ 399.141995] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 399.147209] ? find_held_lock+0x36/0x1c0 [ 399.151285] ? zap_class+0x640/0x640 [ 399.155098] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.160646] ? check_preemption_disabled+0x48/0x280 [ 399.165682] ? __lock_is_held+0xb5/0x140 [ 399.169752] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.175297] ? check_preemption_disabled+0x48/0x280 [ 399.180770] run_timer_softirq+0x52/0xb0 [ 399.184840] ? rcu_read_lock_sched_held+0x14f/0x180 [ 399.189866] __do_softirq+0x308/0xb7e [ 399.193675] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 399.198178] ? lock_downgrade+0x900/0x900 [ 399.202337] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 399.207456] ? pvclock_read_flags+0x160/0x160 [ 399.211959] ? lapic_next_event+0x5a/0x90 [ 399.216120] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.221670] ? kvm_clock_read+0x18/0x30 [ 399.225653] ? kvm_sched_clock_read+0x9/0x20 [ 399.230071] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 399.235617] ? check_preemption_disabled+0x48/0x280 [ 399.240655] irq_exit+0x17f/0x1c0 [ 399.244120] smp_apic_timer_interrupt+0x1cb/0x760 [ 399.248964] ? smp_reschedule_interrupt+0x109/0x650 [ 399.253991] ? smp_call_function_single_interrupt+0x650/0x650 [ 399.259894] ? interrupt_entry+0xb5/0xc0 [ 399.263963] ? trace_hardirqs_off_caller+0xbb/0x310 [ 399.268983] ? trace_hardirqs_off_caller+0xbb/0x310 [ 399.274016] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 399.278882] ? trace_hardirqs_on_caller+0x310/0x310 [ 399.283904] ? trace_hardirqs_on_caller+0x310/0x310 [ 399.288940] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 399.293801] apic_timer_interrupt+0xf/0x20 [ 399.298055] [ 399.300300] RIP: 0010:dump_stack+0x358/0x39d [ 399.304708] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 f1 36 ed f9 48 83 3d f9 27 7c 01 00 0f 84 63 fe ff ff e8 6e b7 a9 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b b7 a9 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 399.323612] RSP: 0000:ffff8881bb40e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 399.331318] RAX: ffff8881c2208180 RBX: 1ffffffff12a3f6e RCX: 1ffff1103844114e [ 399.338586] RDX: 0000000000000000 RSI: ffffffff87d5d382 RDI: 0000000000000293 [ 399.345854] RBP: ffff8881bb40e290 R08: ffff8881c2208a70 R09: 0000000000000006 [ 399.353122] R10: 0000000000000000 R11: ffff8881c2208180 R12: 1ffff11037681c45 [ 399.360396] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 399.367690] ? dump_stack+0x34f/0x39d [ 399.371509] ? dump_stack_print_info.cold.1+0x20/0x20 [ 399.376707] ? mark_held_locks+0x130/0x130 [ 399.380954] ? mark_held_locks+0x130/0x130 [ 399.385205] dump_header+0x27b/0xf72 [ 399.388931] ? pagefault_out_of_memory+0x197/0x197 [ 399.393872] ? __lock_acquire+0x62f/0x4c20 [ 399.398111] ? percpu_ref_get_many+0x240/0x240 [ 399.402699] ? print_usage_bug+0xc0/0xc0 [ 399.406769] ? zap_class+0x640/0x640 [ 399.410484] ? print_usage_bug+0xc0/0xc0 [ 399.414548] ? print_usage_bug+0xc0/0xc0 [ 399.418610] ? zap_class+0x640/0x640 [ 399.422330] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.427869] ? find_held_lock+0x36/0x1c0 [ 399.431938] ? mark_held_locks+0xc7/0x130 [ 399.436093] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 399.441194] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 399.446297] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 399.450897] ? trace_hardirqs_on+0xbd/0x310 [ 399.455236] ? kasan_check_read+0x11/0x20 [ 399.459382] ? ___ratelimit+0x3b4/0x672 [ 399.463365] ? trace_hardirqs_off_caller+0x310/0x310 [ 399.468491] ? trace_hardirqs_on+0x310/0x310 [ 399.472897] ? lock_downgrade+0x900/0x900 [ 399.477053] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 399.482163] ? ___ratelimit+0x3b9/0x672 [ 399.486145] ? idr_get_free+0xf70/0xf70 [ 399.490118] ? find_held_lock+0x36/0x1c0 [ 399.494190] oom_kill_process.cold.27+0x10/0x903 [ 399.498950] ? zap_class+0x640/0x640 [ 399.502691] ? check_preemption_disabled+0x48/0x280 [ 399.507716] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 399.512646] ? kasan_check_read+0x11/0x20 [ 399.516794] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 399.522075] ? oom_evaluate_task+0x540/0x540 [ 399.526491] ? find_held_lock+0x36/0x1c0 [ 399.530558] ? out_of_memory+0x974/0x1430 [ 399.534707] ? lock_downgrade+0x900/0x900 [ 399.538856] ? check_preemption_disabled+0x48/0x280 [ 399.543878] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 399.548808] ? kasan_check_read+0x11/0x20 [ 399.552954] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 399.558230] ? rcu_softirq_qs+0x20/0x20 [ 399.562213] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 399.567749] ? oom_evaluate_task+0x302/0x540 [ 399.572163] out_of_memory+0xa84/0x1430 [ 399.576178] ? oom_killer_disable+0x3a0/0x3a0 [ 399.580687] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 399.585618] ? __ww_mutex_check_waiters+0x160/0x160 [ 399.590650] __alloc_pages_slowpath+0x232c/0x2de0 [ 399.595523] ? warn_alloc+0x120/0x120 [ 399.599324] ? mark_held_locks+0x130/0x130 [ 399.603566] ? find_get_entry+0xaae/0x1120 [ 399.607822] ? filemap_map_pages+0x1a20/0x1a20 [ 399.612411] ? zap_class+0x640/0x640 [ 399.616132] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.621667] ? check_preemption_disabled+0x48/0x280 [ 399.626685] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 399.632225] ? should_fail+0x22d/0xd01 [ 399.636134] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 399.641254] ? zap_class+0x640/0x640 [ 399.644993] ? __lock_is_held+0xb5/0x140 [ 399.649067] ? mark_held_locks+0x130/0x130 [ 399.653307] ? lock_release+0xa00/0xa00 [ 399.657280] ? perf_trace_sched_process_exec+0x860/0x860 [ 399.662728] ? xa_load+0x2ba/0x460 [ 399.666271] ? lock_downgrade+0x900/0x900 [ 399.670425] ? __might_sleep+0x95/0x190 [ 399.674436] __alloc_pages_nodemask+0xad8/0xea0 [ 399.679114] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 399.684135] ? __page_cache_alloc+0x191/0x5c0 [ 399.688628] ? xa_load+0x2e1/0x460 [ 399.692172] ? xa_clear_mark+0x40/0x40 [ 399.696063] ? zap_class+0x640/0x640 [ 399.699796] ? zap_class+0x640/0x640 [ 399.703511] ? zap_class+0x640/0x640 [ 399.707224] ? __do_page_cache_readahead+0x663/0x810 [ 399.712337] ? find_held_lock+0x36/0x1c0 [ 399.716408] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 399.721956] alloc_pages_current+0x173/0x350 [ 399.726368] __page_cache_alloc+0x38c/0x5c0 [ 399.730698] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 399.735627] ? kasan_check_read+0x11/0x20 [ 399.739776] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 399.745073] ? generic_perform_write+0x6a0/0x6a0 [ 399.749842] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 399.755379] ? check_preemption_disabled+0x48/0x280 [ 399.760415] filemap_fault+0x1595/0x25f0 [ 399.764505] ? __lock_page_or_retry+0xa00/0xa00 [ 399.769176] ? mark_held_locks+0x130/0x130 [ 399.773426] ? filemap_map_pages+0xd6b/0x1a20 [ 399.777920] ? lock_downgrade+0x900/0x900 [ 399.782070] ? check_preemption_disabled+0x48/0x280 [ 399.787089] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 399.792033] ? kasan_check_read+0x11/0x20 [ 399.796179] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 399.801455] ? rcu_softirq_qs+0x20/0x20 [ 399.805442] ? filemap_map_pages+0xd92/0x1a20 [ 399.809949] ? find_get_entries_tag+0x1400/0x1400 [ 399.814795] ? debug_object_destroy+0x2b0/0x2b0 [ 399.819469] ? lock_pi_update_atomic+0x150/0x150 [ 399.824223] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.829771] ? lock_acquire+0x1ed/0x520 [ 399.833744] ? ext4_filemap_fault+0x7a/0xad [ 399.838072] ? lock_release+0xa00/0xa00 [ 399.842052] ? perf_trace_sched_process_exec+0x860/0x860 [ 399.847511] ? print_usage_bug+0xc0/0xc0 [ 399.851575] ? print_usage_bug+0xc0/0xc0 [ 399.855645] ? down_read+0x8d/0x120 [ 399.859296] ? ext4_filemap_fault+0x7a/0xad [ 399.863615] ? __down_interruptible+0x700/0x700 [ 399.868297] ext4_filemap_fault+0x82/0xad [ 399.872452] __do_fault+0x100/0x6b0 [ 399.876091] ? find_held_lock+0x36/0x1c0 [ 399.880184] ? pmd_devmap_trans_unstable+0x220/0x220 [ 399.885303] ? mark_held_locks+0x130/0x130 [ 399.889542] ? mark_held_locks+0x130/0x130 [ 399.893793] ? debug_smp_processor_id+0x1c/0x20 [ 399.898459] ? perf_trace_lock+0x14d/0x7a0 [ 399.902698] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 399.908246] __handle_mm_fault+0x3ea0/0x5be0 [ 399.912668] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 399.917515] ? lock_is_held_type+0x210/0x210 [ 399.921927] ? __switch_to_asm+0x34/0x70 [ 399.926015] ? __switch_to_asm+0x34/0x70 [ 399.930124] ? zap_class+0x640/0x640 [ 399.933835] ? zap_class+0x640/0x640 [ 399.937550] ? __x64_sys_futex+0x53e/0x6a0 [ 399.941806] ? find_held_lock+0x36/0x1c0 [ 399.945889] ? handle_mm_fault+0x42a/0xc70 [ 399.950123] ? lock_downgrade+0x900/0x900 [ 399.954288] ? check_preemption_disabled+0x48/0x280 [ 399.959304] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 399.964244] ? kasan_check_read+0x11/0x20 [ 399.968408] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 399.973701] ? rcu_softirq_qs+0x20/0x20 [ 399.977673] ? trace_hardirqs_off_caller+0x310/0x310 [ 399.982779] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 399.988318] ? check_preemption_disabled+0x48/0x280 [ 399.993344] handle_mm_fault+0x54f/0xc70 [ 399.997419] ? __handle_mm_fault+0x5be0/0x5be0 [ 400.002004] ? find_vma+0x34/0x190 [ 400.005556] __do_page_fault+0x5e8/0xe60 [ 400.009626] ? trace_hardirqs_off+0xb8/0x310 [ 400.014055] do_page_fault+0xf2/0x7e0 [ 400.017859] ? vmalloc_sync_all+0x30/0x30 [ 400.022051] ? error_entry+0x70/0xd0 [ 400.025768] ? trace_hardirqs_off_caller+0xbb/0x310 [ 400.030783] ? trace_hardirqs_on_caller+0xc0/0x310 [ 400.035714] ? syscall_return_slowpath+0x5e0/0x5e0 [ 400.040646] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 400.045489] ? trace_hardirqs_on_caller+0x310/0x310 [ 400.050510] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 400.055967] ? prepare_exit_to_usermode+0x291/0x3b0 [ 400.060986] ? page_fault+0x8/0x30 [ 400.064526] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 400.069392] ? page_fault+0x8/0x30 [ 400.072978] page_fault+0x1e/0x30 [ 400.076432] RIP: 0033:0x45ddf3 [ 400.079634] Code: Bad RIP value. [ 400.082997] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 400.088365] RAX: ffffffffffffff92 RBX: 0000000028898d51 RCX: 000000000045ddf3 [ 400.095639] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014f1120 [ 400.102906] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 400.110204] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 400.117468] R13: 000000c42841fe60 R14: 0000000000000001 R15: 0000000000000000 [ 400.124765] CPU: 1 PID: 16798 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #167 [ 400.124770] warn_alloc_show_mem: 1 callbacks suppressed [ 400.124777] Mem-Info: [ 400.132152] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 400.137533] active_anon:45985 inactive_anon:296 isolated_anon:0 [ 400.137533] active_file:15 inactive_file:8 isolated_file:0 [ 400.137533] unevictable:0 dirty:0 writeback:0 unstable:0 [ 400.137533] slab_reclaimable:9236 slab_unreclaimable:1461135 [ 400.137533] mapped:40979 shmem:353 pagetables:587 bounce:0 [ 400.137533] free:13771 free_pcp:249 free_cma:0 [ 400.139903] Call Trace: [ 400.149301] Node 0 active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1412kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 400.182055] [ 400.184627] 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 [ 400.212308] dump_stack+0x244/0x39d [ 400.214425] lowmem_reserve[]: 0 2818 6321 6321 [ 400.240566] ? dump_stack_print_info.cold.1+0x20/0x20 [ 400.244165] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:404kB local_pcp:156kB free_cma:0kB [ 400.248747] warn_alloc.cold.116+0xb7/0x1bd [ 400.253893] lowmem_reserve[]: 0 0 3503 3503 [ 400.281396] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 400.285693] Node 0 Normal free:14000kB min:37364kB low:46704kB high:56044kB active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2348kB bounce:0kB free_pcp:592kB local_pcp:388kB free_cma:0kB [ 400.290031] ? lock_downgrade+0x900/0x900 [ 400.294845] lowmem_reserve[]: 0 0 0 0 [ 400.324341] ? trace_hardirqs_off+0xb8/0x310 [ 400.328463] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 400.332264] ? trace_hardirqs_off+0xb8/0x310 [ 400.336816] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 2*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 400.350344] __alloc_pages_slowpath+0x2651/0x2de0 [ 400.354719] Node 0 Normal: 794*4kB (MEH) 441*8kB (UMEH) 176*16kB (UME) 69*32kB (UMEH) 18*64kB (UM) 1*128kB (U) 2*256kB (U) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14032kB [ 400.369861] ? warn_alloc+0x120/0x120 [ 400.374661] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 400.390155] ? print_usage_bug+0xc0/0xc0 [ 400.393966] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 400.402830] ? warn_alloc+0x120/0x120 [ 400.406868] 376 total pagecache pages [ 400.415471] ? warn_alloc+0x120/0x120 [ 400.419255] 0 pages in swap cache [ 400.423055] ? print_usage_bug+0xc0/0xc0 [ 400.426844] Swap cache stats: add 0, delete 0, find 0/0 [ 400.430295] ? print_usage_bug+0xc0/0xc0 [ 400.434324] Free swap = 0kB [ 400.439684] ? __lock_acquire+0x62f/0x4c20 [ 400.443714] Total swap = 0kB [ 400.443723] 1965979 pages RAM [ 400.446757] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 400.450976] 0 pages HighMem/MovableOnly [ 400.453992] ? should_fail+0x22d/0xd01 [ 400.457069] 342854 pages reserved [ 400.462611] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 400.466559] 0 pages cma reserved [ 400.470451] ? __lock_acquire+0x62f/0x4c20 [ 400.473945] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 400.478988] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 400.479004] ? __lock_acquire+0x62f/0x4c20 [ 400.479020] ? should_fail+0x22d/0xd01 [ 400.482468] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 400.486627] ? find_held_lock+0x36/0x1c0 [ 400.493100] syz-fuzzer cpuset=/ mems_allowed=0 [ 400.498209] ? mark_held_locks+0x130/0x130 [ 400.529406] ? mark_held_locks+0x130/0x130 [ 400.533649] ? zap_class+0x640/0x640 [ 400.537376] ? zap_class+0x640/0x640 [ 400.541104] ? print_usage_bug+0xc0/0xc0 [ 400.545168] ? do_raw_spin_unlock+0xa7/0x330 [ 400.549593] ? zap_class+0x640/0x640 [ 400.553312] ? print_usage_bug+0xc0/0xc0 [ 400.557411] ? wq_watchdog_touch+0x9c/0xfe [ 400.561659] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.567214] ? check_preemption_disabled+0x48/0x280 [ 400.572254] ? __lock_is_held+0xb5/0x140 [ 400.576335] __alloc_pages_nodemask+0xad8/0xea0 [ 400.581036] ? zap_class+0x640/0x640 [ 400.584770] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 400.589810] ? find_held_lock+0x36/0x1c0 [ 400.593896] ? ____cache_alloc_node+0x1c7/0x1e0 [ 400.598576] ? lock_downgrade+0x900/0x900 [ 400.602739] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.608290] cache_grow_begin+0xa5/0x8c0 [ 400.612363] ? do_raw_spin_unlock+0xa7/0x330 [ 400.616790] fallback_alloc+0x204/0x2e0 [ 400.620782] ____cache_alloc_node+0x1c7/0x1e0 [ 400.625289] kmem_cache_alloc_node+0xe3/0x730 [ 400.629800] ? ipv6_get_ifaddr+0x42e/0x620 [ 400.634064] __alloc_skb+0x119/0x770 [ 400.637792] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 400.643084] ? netdev_alloc_frag+0x1f0/0x1f0 [ 400.647504] ? lock_downgrade+0x900/0x900 [ 400.651676] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.657225] ? refcount_sub_and_test_checked+0x203/0x310 [ 400.662700] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 400.668175] ? addrconf_rs_timer+0x690/0x690 [ 400.672611] ndisc_alloc_skb+0x144/0x340 [ 400.676696] ndisc_send_rs+0x331/0x6e0 [ 400.680600] addrconf_rs_timer+0x314/0x690 [ 400.684851] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 400.689108] call_timer_fn+0x272/0x920 [ 400.693008] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 400.697254] ? process_timeout+0x40/0x40 [ 400.701329] ? __run_timers+0x7da/0xc70 [ 400.705315] ? _raw_spin_unlock_irq+0x27/0x80 [ 400.709850] ? _raw_spin_unlock_irq+0x27/0x80 [ 400.714398] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 400.718645] ? lockdep_hardirqs_on+0x296/0x5b0 [ 400.723236] ? trace_hardirqs_on+0xbd/0x310 [ 400.727561] ? kasan_check_read+0x11/0x20 [ 400.731713] ? __run_timers+0x7da/0xc70 [ 400.735695] ? trace_hardirqs_off_caller+0x310/0x310 [ 400.740841] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 400.745091] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 400.749328] __run_timers+0x7e5/0xc70 [ 400.753143] ? timer_fixup_init+0x70/0x70 [ 400.757300] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 400.762408] ? zap_class+0x640/0x640 [ 400.766144] ? enqueue_hrtimer+0x1a5/0x560 [ 400.770390] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 400.775592] ? find_held_lock+0x36/0x1c0 [ 400.779661] ? zap_class+0x640/0x640 [ 400.783382] ? pvclock_read_flags+0x160/0x160 [ 400.787884] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.793433] ? check_preemption_disabled+0x48/0x280 [ 400.798470] ? __lock_is_held+0xb5/0x140 [ 400.802544] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.808095] ? check_preemption_disabled+0x48/0x280 [ 400.813126] run_timer_softirq+0x52/0xb0 [ 400.817196] ? rcu_read_lock_sched_held+0x14f/0x180 [ 400.822219] __do_softirq+0x308/0xb7e [ 400.826038] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 400.830540] ? lock_downgrade+0x900/0x900 [ 400.834702] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 400.839834] ? pvclock_read_flags+0x160/0x160 [ 400.844338] ? lapic_next_event+0x5a/0x90 [ 400.848493] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.854050] ? kvm_clock_read+0x18/0x30 [ 400.858042] ? kvm_sched_clock_read+0x9/0x20 [ 400.862457] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.868001] ? check_preemption_disabled+0x48/0x280 [ 400.873073] irq_exit+0x17f/0x1c0 [ 400.876566] smp_apic_timer_interrupt+0x1cb/0x760 [ 400.881420] ? smp_reschedule_interrupt+0x109/0x650 [ 400.886451] ? smp_call_function_single_interrupt+0x650/0x650 [ 400.892347] ? interrupt_entry+0xb5/0xc0 [ 400.896423] ? trace_hardirqs_off_caller+0xbb/0x310 [ 400.901451] ? trace_hardirqs_off_caller+0xbb/0x310 [ 400.906481] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 400.911336] ? trace_hardirqs_on_caller+0x310/0x310 [ 400.916359] ? trace_hardirqs_on_caller+0x310/0x310 [ 400.921386] ? task_prio+0x50/0x50 [ 400.924971] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.930520] ? check_preemption_disabled+0x48/0x280 [ 400.935550] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 400.940412] apic_timer_interrupt+0xf/0x20 [ 400.944645] [ 400.946902] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 400.951848] Code: 7e 0f 85 cf fe ff ff e8 66 cb 3d ff e9 c5 fe ff ff e8 0d 01 c3 ff 48 83 3d a5 49 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 42 f3 [ 400.970901] RSP: 0018:ffff888195497718 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 400.978625] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 400.985911] RDX: 0000000000000000 RSI: ffff8881d2488b40 RDI: 0000000000000282 [ 400.993193] RBP: ffff888195497780 R08: ffff8881d24882c0 R09: 0000000000000000 [ 401.000474] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 401.007756] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020 [ 401.015085] skb_clone+0x1bb/0x500 [ 401.018636] ? skb_split+0x11e0/0x11e0 [ 401.022528] ? check_preemption_disabled+0x48/0x280 [ 401.027577] ? __this_cpu_preempt_check+0x1c/0x20 [ 401.032439] ? __bpf_redirect+0x55b/0xb60 [ 401.036591] ? __switch_to_asm+0x34/0x70 [ 401.040654] ? __switch_to_asm+0x40/0x70 [ 401.044724] bpf_clone_redirect+0xb9/0x490 [ 401.048975] bpf_prog_3d1649e183dc2cc1+0xaf9/0x1000 [ 401.054007] ? __sched_text_start+0x8/0x8 [ 401.058183] ? find_held_lock+0x36/0x1c0 [ 401.062256] ? lock_acquire+0x1ed/0x520 [ 401.066235] ? bpf_test_run+0x3cb/0x780 [ 401.070235] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.075827] ? check_preemption_disabled+0x48/0x280 [ 401.080863] ? kasan_check_read+0x11/0x20 [ 401.085023] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 401.090318] ? rcu_softirq_qs+0x20/0x20 [ 401.094303] ? preempt_schedule+0x4d/0x60 [ 401.098476] ? ___preempt_schedule+0x16/0x18 [ 401.102909] ? bpf_test_run+0x25d/0x780 [ 401.106909] ? netlink_diag_dump+0x2a0/0x2a0 [ 401.111327] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 401.116893] ? bpf_test_init.isra.10+0x70/0x100 [ 401.121576] ? bpf_prog_test_run_skb+0x73b/0xd10 [ 401.126349] ? bpf_test_finish.isra.9+0x260/0x260 [ 401.131196] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 401.136796] ? fput+0x130/0x1a0 [ 401.140112] ? __bpf_prog_get+0x9b/0x290 [ 401.144192] ? bpf_test_finish.isra.9+0x260/0x260 [ 401.149069] ? bpf_prog_test_run+0x130/0x1a0 [ 401.153495] ? __x64_sys_bpf+0x3db/0x520 [ 401.157562] ? bpf_prog_get+0x20/0x20 [ 401.161393] ? do_syscall_64+0x1b9/0x820 [ 401.165459] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 401.170841] ? syscall_return_slowpath+0x5e0/0x5e0 [ 401.175774] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 401.180905] ? trace_hardirqs_on_caller+0x310/0x310 [ 401.185928] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 401.190971] ? prepare_exit_to_usermode+0x291/0x3b0 [ 401.196005] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 401.200872] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 401.206267] CPU: 0 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #167 [ 401.206342] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 401.213284] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 401.213290] Call Trace: [ 401.213297] [ 401.213317] dump_stack+0x244/0x39d [ 401.213335] ? dump_stack_print_info.cold.1+0x20/0x20 [ 401.213361] warn_alloc.cold.116+0xb7/0x1bd [ 401.220007] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 401.229236] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 401.231798] syz-executor0 cpuset=syz0 mems_allowed=0 [ 401.233942] ? lock_downgrade+0x900/0x900 [ 401.271587] ? trace_hardirqs_off+0xb8/0x310 [ 401.276012] ? trace_hardirqs_off+0xb8/0x310 [ 401.280443] __alloc_pages_slowpath+0x2651/0x2de0 [ 401.285318] ? warn_alloc+0x120/0x120 [ 401.289122] ? print_usage_bug+0xc0/0xc0 [ 401.293185] ? warn_alloc+0x120/0x120 [ 401.297003] ? warn_alloc+0x120/0x120 [ 401.300824] ? print_usage_bug+0xc0/0xc0 [ 401.304915] ? print_usage_bug+0xc0/0xc0 [ 401.309005] ? __lock_acquire+0x62f/0x4c20 [ 401.313267] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 401.318803] ? should_fail+0x22d/0xd01 [ 401.322696] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 401.327817] ? __lock_acquire+0x62f/0x4c20 [ 401.332061] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 401.337163] ? __lock_acquire+0x62f/0x4c20 [ 401.341418] ? should_fail+0x22d/0xd01 [ 401.345304] ? find_held_lock+0x36/0x1c0 [ 401.349410] ? mark_held_locks+0x130/0x130 [ 401.353650] ? mark_held_locks+0x130/0x130 [ 401.357897] ? zap_class+0x640/0x640 [ 401.361628] ? zap_class+0x640/0x640 [ 401.365347] ? print_usage_bug+0xc0/0xc0 [ 401.369410] ? do_raw_spin_unlock+0xa7/0x330 [ 401.373820] ? zap_class+0x640/0x640 [ 401.377538] ? print_usage_bug+0xc0/0xc0 [ 401.381603] ? wq_watchdog_touch+0x9c/0xfe [ 401.385846] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.391395] ? check_preemption_disabled+0x48/0x280 [ 401.396429] ? __lock_is_held+0xb5/0x140 [ 401.400504] __alloc_pages_nodemask+0xad8/0xea0 [ 401.405219] ? zap_class+0x640/0x640 [ 401.408966] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 401.414016] ? find_held_lock+0x36/0x1c0 [ 401.418102] ? ____cache_alloc_node+0x1c7/0x1e0 [ 401.422791] ? lock_downgrade+0x900/0x900 [ 401.426992] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.432546] cache_grow_begin+0xa5/0x8c0 [ 401.436613] ? do_raw_spin_unlock+0xa7/0x330 [ 401.441098] fallback_alloc+0x204/0x2e0 [ 401.445080] ____cache_alloc_node+0x1c7/0x1e0 [ 401.449599] kmem_cache_alloc_node+0xe3/0x730 [ 401.454097] ? ipv6_get_ifaddr+0x42e/0x620 [ 401.458345] __alloc_skb+0x119/0x770 [ 401.462091] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 401.467382] ? netdev_alloc_frag+0x1f0/0x1f0 [ 401.471830] ? lock_downgrade+0x900/0x900 [ 401.476020] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.481573] ? refcount_sub_and_test_checked+0x203/0x310 [ 401.487042] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 401.492499] ? addrconf_rs_timer+0x690/0x690 [ 401.496924] ndisc_alloc_skb+0x144/0x340 [ 401.501013] ndisc_send_rs+0x331/0x6e0 [ 401.504919] addrconf_rs_timer+0x314/0x690 [ 401.509161] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.513413] call_timer_fn+0x272/0x920 [ 401.517318] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.521555] ? process_timeout+0x40/0x40 [ 401.525641] ? mark_held_locks+0xc7/0x130 [ 401.529794] ? _raw_spin_unlock_irq+0x27/0x80 [ 401.534297] ? _raw_spin_unlock_irq+0x27/0x80 [ 401.538798] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.543047] ? lockdep_hardirqs_on+0x296/0x5b0 [ 401.547636] ? trace_hardirqs_on+0xbd/0x310 [ 401.551969] ? kasan_check_read+0x11/0x20 [ 401.556119] ? __run_timers+0x7da/0xc70 [ 401.560093] ? trace_hardirqs_off_caller+0x310/0x310 [ 401.565204] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.569450] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.573698] __run_timers+0x7e5/0xc70 [ 401.577517] ? timer_fixup_init+0x70/0x70 [ 401.581674] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 401.586698] ? zap_class+0x640/0x640 [ 401.590422] ? print_usage_bug+0xc0/0xc0 [ 401.594488] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 401.599692] ? find_held_lock+0x36/0x1c0 [ 401.603763] ? zap_class+0x640/0x640 [ 401.607491] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.613045] ? check_preemption_disabled+0x48/0x280 [ 401.618079] ? __lock_is_held+0xb5/0x140 [ 401.622148] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.627697] ? check_preemption_disabled+0x48/0x280 [ 401.632739] run_timer_softirq+0x52/0xb0 [ 401.636805] ? rcu_read_lock_sched_held+0x14f/0x180 [ 401.641832] __do_softirq+0x308/0xb7e [ 401.645643] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 401.650139] ? lock_downgrade+0x900/0x900 [ 401.654313] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 401.659438] ? pvclock_read_flags+0x160/0x160 [ 401.663944] ? lapic_next_event+0x5a/0x90 [ 401.668100] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.673649] ? kvm_clock_read+0x18/0x30 [ 401.677626] ? kvm_sched_clock_read+0x9/0x20 [ 401.682066] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 401.687612] ? check_preemption_disabled+0x48/0x280 [ 401.692643] irq_exit+0x17f/0x1c0 [ 401.696105] smp_apic_timer_interrupt+0x1cb/0x760 [ 401.700964] ? smp_reschedule_interrupt+0x109/0x650 [ 401.705988] ? smp_call_function_single_interrupt+0x650/0x650 [ 401.711886] ? interrupt_entry+0xb5/0xc0 [ 401.715955] ? trace_hardirqs_off_caller+0xbb/0x310 [ 401.720986] ? trace_hardirqs_off_caller+0xbb/0x310 [ 401.726005] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 401.730890] ? trace_hardirqs_on_caller+0x310/0x310 [ 401.735910] ? trace_hardirqs_on_caller+0x310/0x310 [ 401.740967] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 401.745828] apic_timer_interrupt+0xf/0x20 [ 401.750061] [ 401.752304] RIP: 0010:dump_stack+0x358/0x39d [ 401.756716] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 f1 36 ed f9 48 83 3d f9 27 7c 01 00 0f 84 63 fe ff ff e8 6e b7 a9 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b b7 a9 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 401.775647] RSP: 0000:ffff8881bb40e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 401.783378] RAX: ffff8881c2208180 RBX: 1ffffffff12a3f6e RCX: 1ffff1103844114e [ 401.790662] RDX: 0000000000000000 RSI: ffffffff87d5d382 RDI: 0000000000000293 [ 401.797941] RBP: ffff8881bb40e290 R08: ffff8881c2208a70 R09: 0000000000000006 [ 401.805236] R10: 0000000000000000 R11: ffff8881c2208180 R12: 1ffff11037681c45 [ 401.812531] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 401.819837] ? dump_stack+0x34f/0x39d [ 401.823678] ? dump_stack_print_info.cold.1+0x20/0x20 [ 401.828884] ? mark_held_locks+0x130/0x130 [ 401.833129] ? mark_held_locks+0x130/0x130 [ 401.837374] dump_header+0x27b/0xf72 [ 401.841109] ? pagefault_out_of_memory+0x197/0x197 [ 401.846083] ? __lock_acquire+0x62f/0x4c20 [ 401.850333] ? percpu_ref_get_many+0x240/0x240 [ 401.854928] ? print_usage_bug+0xc0/0xc0 [ 401.859004] ? zap_class+0x640/0x640 [ 401.862734] ? print_usage_bug+0xc0/0xc0 [ 401.866801] ? print_usage_bug+0xc0/0xc0 [ 401.870870] ? zap_class+0x640/0x640 [ 401.874597] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.880150] ? find_held_lock+0x36/0x1c0 [ 401.884228] ? mark_held_locks+0xc7/0x130 [ 401.888396] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 401.893514] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 401.898630] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 401.903222] ? trace_hardirqs_on+0xbd/0x310 [ 401.907549] ? kasan_check_read+0x11/0x20 [ 401.911704] ? ___ratelimit+0x3b4/0x672 [ 401.915687] ? trace_hardirqs_off_caller+0x310/0x310 [ 401.920802] ? trace_hardirqs_on+0x310/0x310 [ 401.925220] ? lock_downgrade+0x900/0x900 [ 401.929385] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 401.934506] ? ___ratelimit+0x3b9/0x672 [ 401.938494] ? idr_get_free+0xf70/0xf70 [ 401.942473] ? find_held_lock+0x36/0x1c0 [ 401.946549] oom_kill_process.cold.27+0x10/0x903 [ 401.951320] ? zap_class+0x640/0x640 [ 401.955051] ? check_preemption_disabled+0x48/0x280 [ 401.960083] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 401.965021] ? kasan_check_read+0x11/0x20 [ 401.969183] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 401.974467] ? oom_evaluate_task+0x540/0x540 [ 401.978890] ? find_held_lock+0x36/0x1c0 [ 401.982965] ? out_of_memory+0x974/0x1430 [ 401.987122] ? lock_downgrade+0x900/0x900 [ 401.991277] ? check_preemption_disabled+0x48/0x280 [ 401.996303] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 402.001241] ? kasan_check_read+0x11/0x20 [ 402.005402] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 402.010691] ? rcu_softirq_qs+0x20/0x20 [ 402.014681] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 402.020242] ? oom_evaluate_task+0x302/0x540 [ 402.024662] out_of_memory+0xa84/0x1430 [ 402.028667] ? oom_killer_disable+0x3a0/0x3a0 [ 402.033169] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 402.038110] ? __ww_mutex_check_waiters+0x160/0x160 [ 402.043150] __alloc_pages_slowpath+0x232c/0x2de0 [ 402.048033] ? warn_alloc+0x120/0x120 [ 402.051856] ? mark_held_locks+0x130/0x130 [ 402.056099] ? find_get_entry+0xaae/0x1120 [ 402.060387] ? filemap_map_pages+0x1a20/0x1a20 [ 402.064987] ? zap_class+0x640/0x640 [ 402.068709] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.074299] ? check_preemption_disabled+0x48/0x280 [ 402.079341] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 402.084884] ? should_fail+0x22d/0xd01 [ 402.088795] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 402.093903] ? zap_class+0x640/0x640 [ 402.097676] ? __lock_is_held+0xb5/0x140 [ 402.101749] ? mark_held_locks+0x130/0x130 [ 402.105988] ? lock_release+0xa00/0xa00 [ 402.109966] ? perf_trace_sched_process_exec+0x860/0x860 [ 402.115421] ? xa_load+0x2ba/0x460 [ 402.118967] ? lock_downgrade+0x900/0x900 [ 402.123132] ? __might_sleep+0x95/0x190 [ 402.127116] __alloc_pages_nodemask+0xad8/0xea0 [ 402.131798] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 402.136826] ? __page_cache_alloc+0x191/0x5c0 [ 402.141326] ? xa_load+0x2e1/0x460 [ 402.144875] ? xa_clear_mark+0x40/0x40 [ 402.148773] ? zap_class+0x640/0x640 [ 402.152500] ? zap_class+0x640/0x640 [ 402.156219] ? zap_class+0x640/0x640 [ 402.159934] ? __do_page_cache_readahead+0x663/0x810 [ 402.165048] ? find_held_lock+0x36/0x1c0 [ 402.169119] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 402.174672] alloc_pages_current+0x173/0x350 [ 402.179086] __page_cache_alloc+0x38c/0x5c0 [ 402.183411] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 402.188342] ? kasan_check_read+0x11/0x20 [ 402.192489] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 402.197767] ? generic_perform_write+0x6a0/0x6a0 [ 402.202523] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 402.208068] ? check_preemption_disabled+0x48/0x280 [ 402.213094] filemap_fault+0x1595/0x25f0 [ 402.217172] ? __lock_page_or_retry+0xa00/0xa00 [ 402.221845] ? mark_held_locks+0x130/0x130 [ 402.226094] ? filemap_map_pages+0xd6b/0x1a20 [ 402.230624] ? lock_downgrade+0x900/0x900 [ 402.234770] ? check_preemption_disabled+0x48/0x280 [ 402.239790] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 402.244722] ? kasan_check_read+0x11/0x20 [ 402.248864] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 402.254137] ? rcu_softirq_qs+0x20/0x20 [ 402.258128] ? filemap_map_pages+0xd92/0x1a20 [ 402.262640] ? find_get_entries_tag+0x1400/0x1400 [ 402.267486] ? debug_object_destroy+0x2b0/0x2b0 [ 402.272163] ? lock_pi_update_atomic+0x150/0x150 [ 402.276923] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.282477] ? lock_acquire+0x1ed/0x520 [ 402.286450] ? ext4_filemap_fault+0x7a/0xad [ 402.290807] ? lock_release+0xa00/0xa00 [ 402.294792] ? perf_trace_sched_process_exec+0x860/0x860 [ 402.300290] ? print_usage_bug+0xc0/0xc0 [ 402.304356] ? print_usage_bug+0xc0/0xc0 [ 402.308434] ? down_read+0x8d/0x120 [ 402.312258] ? ext4_filemap_fault+0x7a/0xad [ 402.316581] ? __down_interruptible+0x700/0x700 [ 402.321259] ext4_filemap_fault+0x82/0xad [ 402.325416] __do_fault+0x100/0x6b0 [ 402.329052] ? find_held_lock+0x36/0x1c0 [ 402.333119] ? pmd_devmap_trans_unstable+0x220/0x220 [ 402.338222] ? mark_held_locks+0x130/0x130 [ 402.342458] ? mark_held_locks+0x130/0x130 [ 402.346700] ? debug_smp_processor_id+0x1c/0x20 [ 402.351368] ? perf_trace_lock+0x14d/0x7a0 [ 402.355613] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 402.361155] __handle_mm_fault+0x3ea0/0x5be0 [ 402.365577] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 402.370426] ? lock_is_held_type+0x210/0x210 [ 402.374853] ? __switch_to_asm+0x34/0x70 [ 402.378939] ? __switch_to_asm+0x34/0x70 [ 402.383009] ? zap_class+0x640/0x640 [ 402.386731] ? zap_class+0x640/0x640 [ 402.390441] ? __x64_sys_futex+0x53e/0x6a0 [ 402.394679] ? find_held_lock+0x36/0x1c0 [ 402.398769] ? handle_mm_fault+0x42a/0xc70 [ 402.403009] ? lock_downgrade+0x900/0x900 [ 402.407170] ? check_preemption_disabled+0x48/0x280 [ 402.412199] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 402.417130] ? kasan_check_read+0x11/0x20 [ 402.421280] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 402.426557] ? rcu_softirq_qs+0x20/0x20 [ 402.430532] ? trace_hardirqs_off_caller+0x310/0x310 [ 402.435647] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 402.441189] ? check_preemption_disabled+0x48/0x280 [ 402.446220] handle_mm_fault+0x54f/0xc70 [ 402.450288] ? __handle_mm_fault+0x5be0/0x5be0 [ 402.454883] ? find_vma+0x34/0x190 [ 402.458433] __do_page_fault+0x5e8/0xe60 [ 402.462499] ? trace_hardirqs_off+0xb8/0x310 [ 402.466925] do_page_fault+0xf2/0x7e0 [ 402.470737] ? vmalloc_sync_all+0x30/0x30 [ 402.474892] ? error_entry+0x70/0xd0 [ 402.478611] ? trace_hardirqs_off_caller+0xbb/0x310 [ 402.483629] ? trace_hardirqs_on_caller+0xc0/0x310 [ 402.488561] ? syscall_return_slowpath+0x5e0/0x5e0 [ 402.493492] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 402.498340] ? trace_hardirqs_on_caller+0x310/0x310 [ 402.503359] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 402.508825] ? prepare_exit_to_usermode+0x291/0x3b0 [ 402.513844] ? page_fault+0x8/0x30 [ 402.517388] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 402.522247] ? page_fault+0x8/0x30 [ 402.525790] page_fault+0x1e/0x30 [ 402.529245] RIP: 0033:0x45ddf3 [ 402.532448] Code: Bad RIP value. [ 402.535812] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 402.541189] RAX: ffffffffffffff92 RBX: 0000000028898d51 RCX: 000000000045ddf3 [ 402.548461] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014f1120 [ 402.555736] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 402.563060] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 402.570333] R13: 000000c42841fe60 R14: 0000000000000001 R15: 0000000000000000 [ 402.577632] warn_alloc_show_mem: 1 callbacks suppressed [ 402.577645] CPU: 1 PID: 16798 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #167 [ 402.577647] Mem-Info: [ 402.577682] active_anon:45985 inactive_anon:296 isolated_anon:0 [ 402.577682] active_file:15 inactive_file:8 isolated_file:0 [ 402.577682] unevictable:0 dirty:0 writeback:0 unstable:0 [ 402.577682] slab_reclaimable:9236 slab_unreclaimable:1461135 [ 402.577682] mapped:40979 shmem:353 pagetables:587 bounce:0 [ 402.577682] free:13771 free_pcp:249 free_cma:0 [ 402.583049] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 402.590418] Node 0 active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1412kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 402.592816] Call Trace: [ 402.625603] 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 [ 402.634964] [ 402.662633] lowmem_reserve[]: 0 2818 6321 6321 [ 402.665224] dump_stack+0x244/0x39d [ 402.691314] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:404kB local_pcp:156kB free_cma:0kB [ 402.693474] ? dump_stack_print_info.cold.1+0x20/0x20 [ 402.698013] lowmem_reserve[]: 0 0 3503 3503 [ 402.701666] warn_alloc.cold.116+0xb7/0x1bd [ 402.729140] Node 0 Normal free:14000kB min:37364kB low:46704kB high:56044kB active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2348kB bounce:0kB free_pcp:592kB local_pcp:388kB free_cma:0kB [ 402.734342] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 402.738639] lowmem_reserve[]: 0 0 0 0 [ 402.742990] ? lock_downgrade+0x900/0x900 [ 402.771948] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 402.776804] ? trace_hardirqs_off+0xb8/0x310 [ 402.780571] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 2*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 402.784721] ? trace_hardirqs_off+0xb8/0x310 [ 402.798221] Node 0 Normal: 794*4kB (MEH) 441*8kB (UMEH) 176*16kB (UME) 69*32kB (UMEH) 18*64kB (UM) 1*128kB (U) 2*256kB (U) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14032kB [ 402.802640] __alloc_pages_slowpath+0x2651/0x2de0 [ 402.817707] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 402.822138] ? warn_alloc+0x120/0x120 [ 402.837538] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 402.842387] ? print_usage_bug+0xc0/0xc0 [ 402.851207] 376 total pagecache pages [ 402.855012] ? warn_alloc+0x120/0x120 [ 402.863578] 0 pages in swap cache [ 402.867650] ? warn_alloc+0x120/0x120 [ 402.871425] Swap cache stats: add 0, delete 0, find 0/0 [ 402.875221] ? print_usage_bug+0xc0/0xc0 [ 402.878645] Free swap = 0kB [ 402.882446] ? kvm_clock_read+0x18/0x30 [ 402.887794] Total swap = 0kB [ 402.891857] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 402.894848] 1965979 pages RAM [ 402.898825] ? print_usage_bug+0xc0/0xc0 [ 402.901830] 0 pages HighMem/MovableOnly [ 402.906844] ? __lock_acquire+0x62f/0x4c20 [ 402.909925] 342854 pages reserved [ 402.913987] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 402.917929] 0 pages cma reserved [ 402.922163] ? should_fail+0x22d/0xd01 [ 402.925647] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 402.931116] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 402.931135] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 402.931150] ? __lock_acquire+0x62f/0x4c20 [ 402.931167] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 402.934572] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 402.938398] ? __lock_acquire+0x62f/0x4c20 [ 402.944870] syz-fuzzer cpuset=/ mems_allowed=0 [ 402.950156] ? should_fail+0x22d/0xd01 [ 402.987479] ? rcu_irq_exit+0x1a2/0x390 [ 402.991474] ? mark_held_locks+0x130/0x130 [ 402.995720] ? mark_held_locks+0x130/0x130 [ 402.999966] ? mark_held_locks+0xc7/0x130 [ 403.004122] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 403.009146] ? zap_class+0x640/0x640 [ 403.012866] ? print_usage_bug+0xc0/0xc0 [ 403.016939] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.022482] ? check_preemption_disabled+0x48/0x280 [ 403.027513] ? __lock_is_held+0xb5/0x140 [ 403.031588] __alloc_pages_nodemask+0xad8/0xea0 [ 403.036261] ? zap_class+0x640/0x640 [ 403.039983] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 403.045016] ? find_held_lock+0x36/0x1c0 [ 403.049099] ? ____cache_alloc_node+0x1c7/0x1e0 [ 403.053787] ? lock_downgrade+0x900/0x900 [ 403.057960] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.063506] cache_grow_begin+0xa5/0x8c0 [ 403.067572] ? do_raw_spin_unlock+0xa7/0x330 [ 403.071996] fallback_alloc+0x204/0x2e0 [ 403.075987] ____cache_alloc_node+0x1c7/0x1e0 [ 403.080491] kmem_cache_alloc_node+0xe3/0x730 [ 403.084994] ? ipv6_get_ifaddr+0x42e/0x620 [ 403.089252] __alloc_skb+0x119/0x770 [ 403.092972] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 403.098263] ? netdev_alloc_frag+0x1f0/0x1f0 [ 403.102721] ? lock_downgrade+0x900/0x900 [ 403.106898] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.112438] ? refcount_sub_and_test_checked+0x203/0x310 [ 403.117904] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 403.123376] ? addrconf_rs_timer+0x690/0x690 [ 403.127799] ndisc_alloc_skb+0x144/0x340 [ 403.131871] ndisc_send_rs+0x331/0x6e0 [ 403.135787] addrconf_rs_timer+0x314/0x690 [ 403.140040] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 403.144291] call_timer_fn+0x272/0x920 [ 403.148189] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 403.152430] ? process_timeout+0x40/0x40 [ 403.156501] ? __run_timers+0x7da/0xc70 [ 403.160507] ? _raw_spin_unlock_irq+0x27/0x80 [ 403.165007] ? _raw_spin_unlock_irq+0x27/0x80 [ 403.169513] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 403.173758] ? lockdep_hardirqs_on+0x296/0x5b0 [ 403.178393] ? trace_hardirqs_on+0xbd/0x310 [ 403.182949] ? kasan_check_read+0x11/0x20 [ 403.187111] ? __run_timers+0x7da/0xc70 [ 403.191092] ? trace_hardirqs_off_caller+0x310/0x310 [ 403.196203] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 403.200447] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 403.204684] __run_timers+0x7e5/0xc70 [ 403.208515] ? timer_fixup_init+0x70/0x70 [ 403.212670] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 403.217711] ? zap_class+0x640/0x640 [ 403.221450] ? enqueue_hrtimer+0x1a5/0x560 [ 403.225722] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 403.230923] ? find_held_lock+0x36/0x1c0 [ 403.234999] ? zap_class+0x640/0x640 [ 403.238728] ? pvclock_read_flags+0x160/0x160 [ 403.243230] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.248775] ? check_preemption_disabled+0x48/0x280 [ 403.253850] ? __lock_is_held+0xb5/0x140 [ 403.257922] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.263466] ? check_preemption_disabled+0x48/0x280 [ 403.268497] run_timer_softirq+0x52/0xb0 [ 403.272566] ? rcu_read_lock_sched_held+0x14f/0x180 [ 403.277589] __do_softirq+0x308/0xb7e [ 403.281407] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 403.285913] ? lock_downgrade+0x900/0x900 [ 403.290081] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 403.295200] ? pvclock_read_flags+0x160/0x160 [ 403.299707] ? lapic_next_event+0x5a/0x90 [ 403.303863] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.309418] ? kvm_clock_read+0x18/0x30 [ 403.313911] ? kvm_sched_clock_read+0x9/0x20 [ 403.318331] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.323881] ? check_preemption_disabled+0x48/0x280 [ 403.328922] irq_exit+0x17f/0x1c0 [ 403.332383] smp_apic_timer_interrupt+0x1cb/0x760 [ 403.337234] ? smp_reschedule_interrupt+0x109/0x650 [ 403.342261] ? smp_call_function_single_interrupt+0x650/0x650 [ 403.348152] ? interrupt_entry+0xb5/0xc0 [ 403.352223] ? trace_hardirqs_off_caller+0xbb/0x310 [ 403.357242] ? trace_hardirqs_off_caller+0xbb/0x310 [ 403.362270] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 403.367124] ? trace_hardirqs_on_caller+0x310/0x310 [ 403.372145] ? trace_hardirqs_on_caller+0x310/0x310 [ 403.377169] ? task_prio+0x50/0x50 [ 403.380721] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.386266] ? check_preemption_disabled+0x48/0x280 [ 403.391307] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 403.396258] apic_timer_interrupt+0xf/0x20 [ 403.400493] [ 403.402742] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 403.407676] Code: 7e 0f 85 cf fe ff ff e8 66 cb 3d ff e9 c5 fe ff ff e8 0d 01 c3 ff 48 83 3d a5 49 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 42 f3 [ 403.426591] RSP: 0018:ffff888195497718 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 403.434316] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 403.441600] RDX: 0000000000000000 RSI: ffff8881d2488b40 RDI: 0000000000000282 [ 403.448880] RBP: ffff888195497780 R08: ffff8881d24882c0 R09: 0000000000000000 [ 403.456167] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 403.463452] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020 [ 403.470777] skb_clone+0x1bb/0x500 [ 403.474329] ? skb_split+0x11e0/0x11e0 [ 403.478232] ? check_preemption_disabled+0x48/0x280 [ 403.483292] ? __this_cpu_preempt_check+0x1c/0x20 [ 403.488153] ? __bpf_redirect+0x55b/0xb60 [ 403.492316] ? __switch_to_asm+0x34/0x70 [ 403.496390] ? __switch_to_asm+0x40/0x70 [ 403.500466] bpf_clone_redirect+0xb9/0x490 [ 403.504720] bpf_prog_3d1649e183dc2cc1+0xaf9/0x1000 [ 403.509749] ? __sched_text_start+0x8/0x8 [ 403.513926] ? find_held_lock+0x36/0x1c0 [ 403.518005] ? lock_acquire+0x1ed/0x520 [ 403.521996] ? bpf_test_run+0x3cb/0x780 [ 403.525985] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.531531] ? check_preemption_disabled+0x48/0x280 [ 403.536563] ? kasan_check_read+0x11/0x20 [ 403.540718] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 403.546001] ? rcu_softirq_qs+0x20/0x20 [ 403.549993] ? preempt_schedule+0x4d/0x60 [ 403.554152] ? ___preempt_schedule+0x16/0x18 [ 403.558575] ? bpf_test_run+0x25d/0x780 [ 403.562568] ? netlink_diag_dump+0x2a0/0x2a0 [ 403.566993] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 403.572547] ? bpf_test_init.isra.10+0x70/0x100 [ 403.577233] ? bpf_prog_test_run_skb+0x73b/0xd10 [ 403.582010] ? bpf_test_finish.isra.9+0x260/0x260 [ 403.586866] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 403.592415] ? fput+0x130/0x1a0 [ 403.595706] ? __bpf_prog_get+0x9b/0x290 [ 403.599777] ? bpf_test_finish.isra.9+0x260/0x260 [ 403.604634] ? bpf_prog_test_run+0x130/0x1a0 [ 403.609056] ? __x64_sys_bpf+0x3db/0x520 [ 403.613121] ? bpf_prog_get+0x20/0x20 [ 403.616961] ? do_syscall_64+0x1b9/0x820 [ 403.621025] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 403.626409] ? syscall_return_slowpath+0x5e0/0x5e0 [ 403.631343] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 403.636213] ? trace_hardirqs_on_caller+0x310/0x310 [ 403.641238] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 403.646271] ? prepare_exit_to_usermode+0x291/0x3b0 [ 403.651305] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 403.656162] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 403.661555] CPU: 0 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #167 [ 403.661639] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 403.668573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 403.668578] Call Trace: [ 403.668585] [ 403.668607] dump_stack+0x244/0x39d [ 403.668624] ? dump_stack_print_info.cold.1+0x20/0x20 [ 403.668650] warn_alloc.cold.116+0xb7/0x1bd [ 403.675192] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 403.684507] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 403.687100] syz-executor0 cpuset=syz0 mems_allowed=0 [ 403.689247] ? lock_downgrade+0x900/0x900 [ 403.726957] ? trace_hardirqs_off+0xb8/0x310 [ 403.731385] ? trace_hardirqs_off+0xb8/0x310 [ 403.735822] __alloc_pages_slowpath+0x2651/0x2de0 [ 403.740703] ? warn_alloc+0x120/0x120 [ 403.744517] ? print_usage_bug+0xc0/0xc0 [ 403.748588] ? warn_alloc+0x120/0x120 [ 403.752402] ? warn_alloc+0x120/0x120 [ 403.756215] ? print_usage_bug+0xc0/0xc0 [ 403.760284] ? print_usage_bug+0xc0/0xc0 [ 403.764355] ? __lock_acquire+0x62f/0x4c20 [ 403.768603] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 403.774145] ? should_fail+0x22d/0xd01 [ 403.778052] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 403.783165] ? __lock_acquire+0x62f/0x4c20 [ 403.787455] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 403.792564] ? __lock_acquire+0x62f/0x4c20 [ 403.796801] ? should_fail+0x22d/0xd01 [ 403.800696] ? find_held_lock+0x36/0x1c0 [ 403.804802] ? mark_held_locks+0x130/0x130 [ 403.809110] ? mark_held_locks+0x130/0x130 [ 403.813438] ? zap_class+0x640/0x640 [ 403.817157] ? zap_class+0x640/0x640 [ 403.820898] ? print_usage_bug+0xc0/0xc0 [ 403.824957] ? do_raw_spin_unlock+0xa7/0x330 [ 403.829371] ? zap_class+0x640/0x640 [ 403.833098] ? print_usage_bug+0xc0/0xc0 [ 403.837166] ? wq_watchdog_touch+0x9c/0xfe [ 403.841415] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.846967] ? check_preemption_disabled+0x48/0x280 [ 403.852004] ? __lock_is_held+0xb5/0x140 [ 403.856088] __alloc_pages_nodemask+0xad8/0xea0 [ 403.860767] ? zap_class+0x640/0x640 [ 403.864498] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 403.869537] ? find_held_lock+0x36/0x1c0 [ 403.873616] ? ____cache_alloc_node+0x1c7/0x1e0 [ 403.878296] ? lock_downgrade+0x900/0x900 [ 403.882471] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.888020] cache_grow_begin+0xa5/0x8c0 [ 403.892104] ? do_raw_spin_unlock+0xa7/0x330 [ 403.896554] fallback_alloc+0x204/0x2e0 [ 403.900542] ____cache_alloc_node+0x1c7/0x1e0 [ 403.905058] kmem_cache_alloc_node+0xe3/0x730 [ 403.909560] ? ipv6_get_ifaddr+0x42e/0x620 [ 403.913810] __alloc_skb+0x119/0x770 [ 403.917529] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 403.922817] ? netdev_alloc_frag+0x1f0/0x1f0 [ 403.927236] ? lock_downgrade+0x900/0x900 [ 403.931404] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.936950] ? refcount_sub_and_test_checked+0x203/0x310 [ 403.942420] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 403.947894] ? addrconf_rs_timer+0x690/0x690 [ 403.952327] ndisc_alloc_skb+0x144/0x340 [ 403.956407] ndisc_send_rs+0x331/0x6e0 [ 403.960310] addrconf_rs_timer+0x314/0x690 [ 403.964552] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 403.968799] call_timer_fn+0x272/0x920 [ 403.972693] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 403.976935] ? process_timeout+0x40/0x40 [ 403.981004] ? mark_held_locks+0xc7/0x130 [ 403.985159] ? _raw_spin_unlock_irq+0x27/0x80 [ 403.989655] ? _raw_spin_unlock_irq+0x27/0x80 [ 403.994150] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 403.998399] ? lockdep_hardirqs_on+0x296/0x5b0 [ 404.002984] ? trace_hardirqs_on+0xbd/0x310 [ 404.007306] ? kasan_check_read+0x11/0x20 [ 404.011458] ? __run_timers+0x7da/0xc70 [ 404.015448] ? trace_hardirqs_off_caller+0x310/0x310 [ 404.020560] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 404.024810] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 404.029053] __run_timers+0x7e5/0xc70 [ 404.032868] ? timer_fixup_init+0x70/0x70 [ 404.037022] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 404.042059] ? zap_class+0x640/0x640 [ 404.045781] ? print_usage_bug+0xc0/0xc0 [ 404.049847] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 404.055058] ? find_held_lock+0x36/0x1c0 [ 404.059134] ? zap_class+0x640/0x640 [ 404.062862] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.068409] ? check_preemption_disabled+0x48/0x280 [ 404.073448] ? __lock_is_held+0xb5/0x140 [ 404.077515] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.083079] ? check_preemption_disabled+0x48/0x280 [ 404.088105] run_timer_softirq+0x52/0xb0 [ 404.092174] ? rcu_read_lock_sched_held+0x14f/0x180 [ 404.097215] __do_softirq+0x308/0xb7e [ 404.101026] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 404.105539] ? lock_downgrade+0x900/0x900 [ 404.109724] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 404.114899] ? pvclock_read_flags+0x160/0x160 [ 404.119415] ? lapic_next_event+0x5a/0x90 [ 404.123578] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.129136] ? kvm_clock_read+0x18/0x30 [ 404.133113] ? kvm_sched_clock_read+0x9/0x20 [ 404.137532] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.143103] ? check_preemption_disabled+0x48/0x280 [ 404.148158] irq_exit+0x17f/0x1c0 [ 404.151619] smp_apic_timer_interrupt+0x1cb/0x760 [ 404.156493] ? smp_reschedule_interrupt+0x109/0x650 [ 404.161520] ? smp_call_function_single_interrupt+0x650/0x650 [ 404.167415] ? interrupt_entry+0xb5/0xc0 [ 404.171488] ? trace_hardirqs_off_caller+0xbb/0x310 [ 404.176517] ? trace_hardirqs_off_caller+0xbb/0x310 [ 404.181545] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 404.186420] ? trace_hardirqs_on_caller+0x310/0x310 [ 404.191457] ? trace_hardirqs_on_caller+0x310/0x310 [ 404.196502] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 404.201373] apic_timer_interrupt+0xf/0x20 [ 404.205605] [ 404.207886] RIP: 0010:dump_stack+0x358/0x39d [ 404.212313] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 f1 36 ed f9 48 83 3d f9 27 7c 01 00 0f 84 63 fe ff ff e8 6e b7 a9 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b b7 a9 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 404.231231] RSP: 0000:ffff8881bb40e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 404.238951] RAX: ffff8881c2208180 RBX: 1ffffffff12a3f6e RCX: 1ffff1103844114e [ 404.246230] RDX: 0000000000000000 RSI: ffffffff87d5d382 RDI: 0000000000000293 [ 404.253510] RBP: ffff8881bb40e290 R08: ffff8881c2208a70 R09: 0000000000000006 [ 404.260785] R10: 0000000000000000 R11: ffff8881c2208180 R12: 1ffff11037681c45 [ 404.268062] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 404.275360] ? dump_stack+0x34f/0x39d [ 404.279205] ? dump_stack_print_info.cold.1+0x20/0x20 [ 404.284410] ? mark_held_locks+0x130/0x130 [ 404.288654] ? mark_held_locks+0x130/0x130 [ 404.292897] dump_header+0x27b/0xf72 [ 404.296630] ? pagefault_out_of_memory+0x197/0x197 [ 404.301573] ? __lock_acquire+0x62f/0x4c20 [ 404.305818] ? percpu_ref_get_many+0x240/0x240 [ 404.310549] ? print_usage_bug+0xc0/0xc0 [ 404.314616] ? zap_class+0x640/0x640 [ 404.318336] ? print_usage_bug+0xc0/0xc0 [ 404.322405] ? print_usage_bug+0xc0/0xc0 [ 404.326472] ? zap_class+0x640/0x640 [ 404.330192] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.335740] ? find_held_lock+0x36/0x1c0 [ 404.339813] ? mark_held_locks+0xc7/0x130 [ 404.343982] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 404.349099] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 404.354208] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 404.358798] ? trace_hardirqs_on+0xbd/0x310 [ 404.363122] ? kasan_check_read+0x11/0x20 [ 404.367276] ? ___ratelimit+0x3b4/0x672 [ 404.371262] ? trace_hardirqs_off_caller+0x310/0x310 [ 404.376370] ? trace_hardirqs_on+0x310/0x310 [ 404.380793] ? lock_downgrade+0x900/0x900 [ 404.384952] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 404.390070] ? ___ratelimit+0x3b9/0x672 [ 404.394057] ? idr_get_free+0xf70/0xf70 [ 404.398039] ? find_held_lock+0x36/0x1c0 [ 404.402117] oom_kill_process.cold.27+0x10/0x903 [ 404.406879] ? zap_class+0x640/0x640 [ 404.410613] ? check_preemption_disabled+0x48/0x280 [ 404.415635] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 404.420565] ? kasan_check_read+0x11/0x20 [ 404.424714] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 404.429997] ? oom_evaluate_task+0x540/0x540 [ 404.434429] ? find_held_lock+0x36/0x1c0 [ 404.438505] ? out_of_memory+0x974/0x1430 [ 404.442661] ? lock_downgrade+0x900/0x900 [ 404.446814] ? check_preemption_disabled+0x48/0x280 [ 404.451834] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 404.456762] ? kasan_check_read+0x11/0x20 [ 404.460914] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 404.466195] ? rcu_softirq_qs+0x20/0x20 [ 404.470179] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.475719] ? oom_evaluate_task+0x302/0x540 [ 404.480152] out_of_memory+0xa84/0x1430 [ 404.484135] ? oom_killer_disable+0x3a0/0x3a0 [ 404.488649] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 404.493589] ? __ww_mutex_check_waiters+0x160/0x160 [ 404.498622] __alloc_pages_slowpath+0x232c/0x2de0 [ 404.503495] ? warn_alloc+0x120/0x120 [ 404.507314] ? mark_held_locks+0x130/0x130 [ 404.511561] ? find_get_entry+0xaae/0x1120 [ 404.515808] ? filemap_map_pages+0x1a20/0x1a20 [ 404.520404] ? zap_class+0x640/0x640 [ 404.524126] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.529675] ? check_preemption_disabled+0x48/0x280 [ 404.534694] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.540239] ? should_fail+0x22d/0xd01 [ 404.544134] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 404.549256] ? zap_class+0x640/0x640 [ 404.552995] ? __lock_is_held+0xb5/0x140 [ 404.557075] ? mark_held_locks+0x130/0x130 [ 404.561335] ? lock_release+0xa00/0xa00 [ 404.565332] ? perf_trace_sched_process_exec+0x860/0x860 [ 404.570786] ? xa_load+0x2ba/0x460 [ 404.574330] ? lock_downgrade+0x900/0x900 [ 404.578487] ? __might_sleep+0x95/0x190 [ 404.582471] __alloc_pages_nodemask+0xad8/0xea0 [ 404.587164] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 404.592187] ? __page_cache_alloc+0x191/0x5c0 [ 404.596688] ? xa_load+0x2e1/0x460 [ 404.600231] ? xa_clear_mark+0x40/0x40 [ 404.604124] ? zap_class+0x640/0x640 [ 404.607845] ? zap_class+0x640/0x640 [ 404.611576] ? zap_class+0x640/0x640 [ 404.615295] ? __do_page_cache_readahead+0x663/0x810 [ 404.620430] ? find_held_lock+0x36/0x1c0 [ 404.624515] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 404.630070] alloc_pages_current+0x173/0x350 [ 404.634491] __page_cache_alloc+0x38c/0x5c0 [ 404.638817] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 404.643761] ? kasan_check_read+0x11/0x20 [ 404.647914] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 404.653206] ? generic_perform_write+0x6a0/0x6a0 [ 404.657966] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.663505] ? check_preemption_disabled+0x48/0x280 [ 404.668537] filemap_fault+0x1595/0x25f0 [ 404.672616] ? __lock_page_or_retry+0xa00/0xa00 [ 404.677288] ? mark_held_locks+0x130/0x130 [ 404.681574] ? filemap_map_pages+0xd6b/0x1a20 [ 404.686073] ? lock_downgrade+0x900/0x900 [ 404.690225] ? check_preemption_disabled+0x48/0x280 [ 404.695281] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 404.700212] ? kasan_check_read+0x11/0x20 [ 404.704364] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 404.709646] ? rcu_softirq_qs+0x20/0x20 [ 404.713635] ? filemap_map_pages+0xd92/0x1a20 [ 404.718166] ? find_get_entries_tag+0x1400/0x1400 [ 404.723015] ? debug_object_destroy+0x2b0/0x2b0 [ 404.727728] ? lock_pi_update_atomic+0x150/0x150 [ 404.732485] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.738047] ? lock_acquire+0x1ed/0x520 [ 404.742025] ? ext4_filemap_fault+0x7a/0xad [ 404.746383] ? lock_release+0xa00/0xa00 [ 404.750361] ? perf_trace_sched_process_exec+0x860/0x860 [ 404.755819] ? print_usage_bug+0xc0/0xc0 [ 404.759883] ? print_usage_bug+0xc0/0xc0 [ 404.763956] ? down_read+0x8d/0x120 [ 404.767581] ? ext4_filemap_fault+0x7a/0xad [ 404.771935] ? __down_interruptible+0x700/0x700 [ 404.776616] ext4_filemap_fault+0x82/0xad [ 404.780772] __do_fault+0x100/0x6b0 [ 404.784406] ? find_held_lock+0x36/0x1c0 [ 404.788472] ? pmd_devmap_trans_unstable+0x220/0x220 [ 404.793584] ? mark_held_locks+0x130/0x130 [ 404.797827] ? mark_held_locks+0x130/0x130 [ 404.802083] ? debug_smp_processor_id+0x1c/0x20 [ 404.806754] ? perf_trace_lock+0x14d/0x7a0 [ 404.811004] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.816558] __handle_mm_fault+0x3ea0/0x5be0 [ 404.821014] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 404.825883] ? lock_is_held_type+0x210/0x210 [ 404.830312] ? __switch_to_asm+0x34/0x70 [ 404.834375] ? __switch_to_asm+0x34/0x70 [ 404.838471] ? zap_class+0x640/0x640 [ 404.842186] ? zap_class+0x640/0x640 [ 404.845899] ? __x64_sys_futex+0x53e/0x6a0 [ 404.850142] ? find_held_lock+0x36/0x1c0 [ 404.854218] ? handle_mm_fault+0x42a/0xc70 [ 404.858458] ? lock_downgrade+0x900/0x900 [ 404.862609] ? check_preemption_disabled+0x48/0x280 [ 404.867634] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 404.872576] ? kasan_check_read+0x11/0x20 [ 404.876738] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 404.882019] ? rcu_softirq_qs+0x20/0x20 [ 404.886019] ? trace_hardirqs_off_caller+0x310/0x310 [ 404.891142] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.896685] ? check_preemption_disabled+0x48/0x280 [ 404.901713] handle_mm_fault+0x54f/0xc70 [ 404.905786] ? __handle_mm_fault+0x5be0/0x5be0 [ 404.910375] ? find_vma+0x34/0x190 [ 404.913928] __do_page_fault+0x5e8/0xe60 [ 404.917990] ? trace_hardirqs_off+0xb8/0x310 [ 404.922415] do_page_fault+0xf2/0x7e0 [ 404.926226] ? vmalloc_sync_all+0x30/0x30 [ 404.930376] ? error_entry+0x70/0xd0 [ 404.934098] ? trace_hardirqs_off_caller+0xbb/0x310 [ 404.939118] ? trace_hardirqs_on_caller+0xc0/0x310 [ 404.944055] ? syscall_return_slowpath+0x5e0/0x5e0 [ 404.948988] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 404.953843] ? trace_hardirqs_on_caller+0x310/0x310 [ 404.958874] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 404.964335] ? prepare_exit_to_usermode+0x291/0x3b0 [ 404.969355] ? page_fault+0x8/0x30 [ 404.972904] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 404.977786] ? page_fault+0x8/0x30 [ 404.981332] page_fault+0x1e/0x30 [ 404.984785] RIP: 0033:0x45ddf3 [ 404.987989] Code: Bad RIP value. [ 404.991385] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 404.996752] RAX: ffffffffffffff92 RBX: 0000000028898d51 RCX: 000000000045ddf3 [ 405.004025] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014f1120 [ 405.011304] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 405.018582] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 405.025854] R13: 000000c42841fe60 R14: 0000000000000001 R15: 0000000000000000 [ 405.033146] warn_alloc_show_mem: 1 callbacks suppressed [ 405.033158] CPU: 1 PID: 16798 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #167 [ 405.033160] Mem-Info: [ 405.033197] active_anon:45985 inactive_anon:296 isolated_anon:0 [ 405.033197] active_file:15 inactive_file:8 isolated_file:0 [ 405.033197] unevictable:0 dirty:0 writeback:0 unstable:0 [ 405.033197] slab_reclaimable:9236 slab_unreclaimable:1461135 [ 405.033197] mapped:40979 shmem:353 pagetables:587 bounce:0 [ 405.033197] free:13771 free_pcp:249 free_cma:0 [ 405.038546] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 405.045910] Node 0 active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1412kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 405.048314] Call Trace: [ 405.081104] 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 [ 405.090459] [ 405.118144] lowmem_reserve[]: 0 2818 6321 6321 [ 405.120739] dump_stack+0x244/0x39d [ 405.146832] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:404kB local_pcp:156kB free_cma:0kB [ 405.149002] ? dump_stack_print_info.cold.1+0x20/0x20 [ 405.153537] lowmem_reserve[]: 0 0 3503 3503 [ 405.157179] warn_alloc.cold.116+0xb7/0x1bd [ 405.185103] Node 0 Normal free:14000kB min:37364kB low:46704kB high:56044kB active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2348kB bounce:0kB free_pcp:592kB local_pcp:388kB free_cma:0kB [ 405.190304] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 405.194595] lowmem_reserve[]: 0 0 0 0 [ 405.198940] ? lock_downgrade+0x900/0x900 [ 405.227893] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 405.232752] ? trace_hardirqs_off+0xb8/0x310 [ 405.236522] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 2*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 405.240675] ? trace_hardirqs_off+0xb8/0x310 [ 405.254176] Node 0 Normal: 794*4kB (MEH) 441*8kB (UMEH) 176*16kB (UME) 69*32kB (UMEH) 18*64kB (UM) 1*128kB (U) 2*256kB (U) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14032kB [ 405.258592] __alloc_pages_slowpath+0x2651/0x2de0 [ 405.273663] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 405.278113] ? warn_alloc+0x120/0x120 [ 405.293515] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 405.298360] ? print_usage_bug+0xc0/0xc0 [ 405.307174] 376 total pagecache pages [ 405.310976] ? warn_alloc+0x120/0x120 [ 405.319533] 0 pages in swap cache [ 405.323596] ? warn_alloc+0x120/0x120 [ 405.327367] Swap cache stats: add 0, delete 0, find 0/0 [ 405.327376] Free swap = 0kB [ 405.331181] ? print_usage_bug+0xc0/0xc0 [ 405.334598] Total swap = 0kB [ 405.334607] 1965979 pages RAM [ 405.338414] ? print_usage_bug+0xc0/0xc0 [ 405.343750] 0 pages HighMem/MovableOnly [ 405.346796] ? __lock_acquire+0x62f/0x4c20 [ 405.350829] 342854 pages reserved [ 405.353877] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 405.356953] 0 pages cma reserved [ 405.361010] ? should_fail+0x22d/0xd01 [ 405.365017] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 405.369208] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 405.369229] ? __lock_acquire+0x62f/0x4c20 [ 405.372721] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 405.378203] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 405.381542] syz-fuzzer cpuset=/ mems_allowed=0 [ 405.385425] ? __lock_acquire+0x62f/0x4c20 [ 405.425338] ? should_fail+0x22d/0xd01 [ 405.429241] ? find_held_lock+0x36/0x1c0 [ 405.433325] ? mark_held_locks+0x130/0x130 [ 405.437575] ? mark_held_locks+0x130/0x130 [ 405.441814] ? zap_class+0x640/0x640 [ 405.445552] ? zap_class+0x640/0x640 [ 405.449278] ? print_usage_bug+0xc0/0xc0 [ 405.453344] ? do_raw_spin_unlock+0xa7/0x330 [ 405.457760] ? zap_class+0x640/0x640 [ 405.461481] ? print_usage_bug+0xc0/0xc0 [ 405.465547] ? wq_watchdog_touch+0x9c/0xfe [ 405.469823] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.475367] ? check_preemption_disabled+0x48/0x280 [ 405.480397] ? __lock_is_held+0xb5/0x140 [ 405.484467] __alloc_pages_nodemask+0xad8/0xea0 [ 405.489141] ? zap_class+0x640/0x640 [ 405.492879] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 405.497931] ? find_held_lock+0x36/0x1c0 [ 405.502045] ? ____cache_alloc_node+0x1c7/0x1e0 [ 405.506735] ? lock_downgrade+0x900/0x900 [ 405.510912] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.516462] cache_grow_begin+0xa5/0x8c0 [ 405.520533] ? do_raw_spin_unlock+0xa7/0x330 [ 405.524953] fallback_alloc+0x204/0x2e0 [ 405.528938] ____cache_alloc_node+0x1c7/0x1e0 [ 405.533442] kmem_cache_alloc_node+0xe3/0x730 [ 405.537939] ? ipv6_get_ifaddr+0x42e/0x620 [ 405.542187] __alloc_skb+0x119/0x770 [ 405.545908] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 405.551194] ? netdev_alloc_frag+0x1f0/0x1f0 [ 405.555612] ? lock_downgrade+0x900/0x900 [ 405.559770] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.565312] ? refcount_sub_and_test_checked+0x203/0x310 [ 405.570771] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 405.576226] ? addrconf_rs_timer+0x690/0x690 [ 405.580656] ndisc_alloc_skb+0x144/0x340 [ 405.584733] ndisc_send_rs+0x331/0x6e0 [ 405.588634] addrconf_rs_timer+0x314/0x690 [ 405.592885] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 405.597140] call_timer_fn+0x272/0x920 [ 405.601038] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 405.605281] ? process_timeout+0x40/0x40 [ 405.609351] ? __run_timers+0x7da/0xc70 [ 405.613332] ? _raw_spin_unlock_irq+0x27/0x80 [ 405.617828] ? _raw_spin_unlock_irq+0x27/0x80 [ 405.622332] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 405.626577] ? lockdep_hardirqs_on+0x296/0x5b0 [ 405.631168] ? trace_hardirqs_on+0xbd/0x310 [ 405.635496] ? kasan_check_read+0x11/0x20 [ 405.639646] ? __run_timers+0x7da/0xc70 [ 405.643642] ? trace_hardirqs_off_caller+0x310/0x310 [ 405.648764] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 405.653040] __run_timers+0x7e5/0xc70 [ 405.656853] ? timer_fixup_init+0x70/0x70 [ 405.661009] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 405.666062] ? zap_class+0x640/0x640 [ 405.669784] ? enqueue_hrtimer+0x1a5/0x560 [ 405.674023] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 405.679237] ? find_held_lock+0x36/0x1c0 [ 405.683318] ? zap_class+0x640/0x640 [ 405.687072] ? pvclock_read_flags+0x160/0x160 [ 405.691587] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.697132] ? check_preemption_disabled+0x48/0x280 [ 405.702179] ? __lock_is_held+0xb5/0x140 [ 405.706245] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.711805] ? check_preemption_disabled+0x48/0x280 [ 405.716873] run_timer_softirq+0x52/0xb0 [ 405.720972] ? rcu_read_lock_sched_held+0x14f/0x180 [ 405.725993] __do_softirq+0x308/0xb7e [ 405.729804] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 405.734305] ? lock_downgrade+0x900/0x900 [ 405.738463] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 405.743581] ? pvclock_read_flags+0x160/0x160 [ 405.748086] ? lapic_next_event+0x5a/0x90 [ 405.752246] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.757793] ? kvm_clock_read+0x18/0x30 [ 405.761776] ? kvm_sched_clock_read+0x9/0x20 [ 405.766205] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.771784] ? check_preemption_disabled+0x48/0x280 [ 405.776807] irq_exit+0x17f/0x1c0 [ 405.780268] smp_apic_timer_interrupt+0x1cb/0x760 [ 405.785112] ? smp_reschedule_interrupt+0x109/0x650 [ 405.790134] ? smp_call_function_single_interrupt+0x650/0x650 [ 405.796045] ? interrupt_entry+0xb5/0xc0 [ 405.800125] ? trace_hardirqs_off_caller+0xbb/0x310 [ 405.805186] ? trace_hardirqs_off_caller+0xbb/0x310 [ 405.810207] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 405.815067] ? trace_hardirqs_on_caller+0x310/0x310 [ 405.820086] ? trace_hardirqs_on_caller+0x310/0x310 [ 405.825110] ? task_prio+0x50/0x50 [ 405.828659] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.834203] ? check_preemption_disabled+0x48/0x280 [ 405.839229] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 405.844101] apic_timer_interrupt+0xf/0x20 [ 405.848334] [ 405.850572] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 405.855502] Code: 7e 0f 85 cf fe ff ff e8 66 cb 3d ff e9 c5 fe ff ff e8 0d 01 c3 ff 48 83 3d a5 49 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 42 f3 [ 405.874414] RSP: 0018:ffff888195497718 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 405.882130] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 405.889425] RDX: 0000000000000000 RSI: ffff8881d2488b40 RDI: 0000000000000282 [ 405.896708] RBP: ffff888195497780 R08: ffff8881d24882c0 R09: 0000000000000000 [ 405.903987] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 405.911267] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020 [ 405.918595] skb_clone+0x1bb/0x500 [ 405.922151] ? skb_split+0x11e0/0x11e0 [ 405.926055] ? check_preemption_disabled+0x48/0x280 [ 405.931210] ? __this_cpu_preempt_check+0x1c/0x20 [ 405.936065] ? __bpf_redirect+0x55b/0xb60 [ 405.940216] ? __switch_to_asm+0x34/0x70 [ 405.944280] ? __switch_to_asm+0x40/0x70 [ 405.948350] bpf_clone_redirect+0xb9/0x490 [ 405.952616] bpf_prog_3d1649e183dc2cc1+0xaf9/0x1000 [ 405.957646] ? __sched_text_start+0x8/0x8 [ 405.961811] ? find_held_lock+0x36/0x1c0 [ 405.965888] ? lock_acquire+0x1ed/0x520 [ 405.969873] ? bpf_test_run+0x3cb/0x780 [ 405.973861] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.979408] ? check_preemption_disabled+0x48/0x280 [ 405.984439] ? kasan_check_read+0x11/0x20 [ 405.988592] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 405.993875] ? rcu_softirq_qs+0x20/0x20 [ 405.997862] ? preempt_schedule+0x4d/0x60 [ 406.002064] ? ___preempt_schedule+0x16/0x18 [ 406.006501] ? bpf_test_run+0x25d/0x780 [ 406.010496] ? netlink_diag_dump+0x2a0/0x2a0 [ 406.014921] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 406.020487] ? bpf_test_init.isra.10+0x70/0x100 [ 406.025177] ? bpf_prog_test_run_skb+0x73b/0xd10 [ 406.029948] ? bpf_test_finish.isra.9+0x260/0x260 [ 406.034794] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 406.040347] ? fput+0x130/0x1a0 [ 406.043636] ? __bpf_prog_get+0x9b/0x290 [ 406.047704] ? bpf_test_finish.isra.9+0x260/0x260 [ 406.052555] ? bpf_prog_test_run+0x130/0x1a0 [ 406.056971] ? __x64_sys_bpf+0x3db/0x520 [ 406.061044] ? bpf_prog_get+0x20/0x20 [ 406.064872] ? do_syscall_64+0x1b9/0x820 [ 406.068948] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 406.074319] ? syscall_return_slowpath+0x5e0/0x5e0 [ 406.079271] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 406.084121] ? trace_hardirqs_on_caller+0x310/0x310 [ 406.089147] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 406.094170] ? prepare_exit_to_usermode+0x291/0x3b0 [ 406.099199] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 406.104063] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 406.109450] CPU: 0 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #167 [ 406.109518] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 406.116464] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 406.116473] Call Trace: [ 406.123085] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 406.132304] [ 406.134882] syz-executor0 cpuset=syz0 mems_allowed=0 [ 406.145369] dump_stack+0x244/0x39d [ 406.156234] ? dump_stack_print_info.cold.1+0x20/0x20 [ 406.161440] warn_alloc.cold.116+0xb7/0x1bd [ 406.165769] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 406.170621] ? lock_downgrade+0x900/0x900 [ 406.174781] ? trace_hardirqs_off+0xb8/0x310 [ 406.179208] ? trace_hardirqs_off+0xb8/0x310 [ 406.183624] __alloc_pages_slowpath+0x2651/0x2de0 [ 406.188510] ? warn_alloc+0x120/0x120 [ 406.192320] ? print_usage_bug+0xc0/0xc0 [ 406.196388] ? warn_alloc+0x120/0x120 [ 406.200202] ? warn_alloc+0x120/0x120 [ 406.204006] ? print_usage_bug+0xc0/0xc0 [ 406.208084] ? print_usage_bug+0xc0/0xc0 [ 406.212158] ? __lock_acquire+0x62f/0x4c20 [ 406.216405] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 406.221948] ? should_fail+0x22d/0xd01 [ 406.225844] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 406.230949] ? __lock_acquire+0x62f/0x4c20 [ 406.235189] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 406.240292] ? __lock_acquire+0x62f/0x4c20 [ 406.244531] ? should_fail+0x22d/0xd01 [ 406.248426] ? find_held_lock+0x36/0x1c0 [ 406.252498] ? mark_held_locks+0x130/0x130 [ 406.256740] ? mark_held_locks+0x130/0x130 [ 406.260978] ? zap_class+0x640/0x640 [ 406.264697] ? zap_class+0x640/0x640 [ 406.268419] ? print_usage_bug+0xc0/0xc0 [ 406.272500] ? do_raw_spin_unlock+0xa7/0x330 [ 406.276947] ? zap_class+0x640/0x640 [ 406.280667] ? print_usage_bug+0xc0/0xc0 [ 406.284749] ? wq_watchdog_touch+0x9c/0xfe [ 406.288994] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.294538] ? check_preemption_disabled+0x48/0x280 [ 406.299571] ? __lock_is_held+0xb5/0x140 [ 406.303642] __alloc_pages_nodemask+0xad8/0xea0 [ 406.308316] ? zap_class+0x640/0x640 [ 406.312254] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 406.317286] ? find_held_lock+0x36/0x1c0 [ 406.321359] ? ____cache_alloc_node+0x1c7/0x1e0 [ 406.326039] ? lock_downgrade+0x900/0x900 [ 406.330231] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.335790] cache_grow_begin+0xa5/0x8c0 [ 406.339854] ? do_raw_spin_unlock+0xa7/0x330 [ 406.344298] fallback_alloc+0x204/0x2e0 [ 406.348295] ____cache_alloc_node+0x1c7/0x1e0 [ 406.352819] kmem_cache_alloc_node+0xe3/0x730 [ 406.357315] ? ipv6_get_ifaddr+0x42e/0x620 [ 406.361562] __alloc_skb+0x119/0x770 [ 406.365280] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 406.370599] ? netdev_alloc_frag+0x1f0/0x1f0 [ 406.375014] ? lock_downgrade+0x900/0x900 [ 406.379181] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.384765] ? refcount_sub_and_test_checked+0x203/0x310 [ 406.390256] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 406.395722] ? addrconf_rs_timer+0x690/0x690 [ 406.400149] ndisc_alloc_skb+0x144/0x340 [ 406.404217] ndisc_send_rs+0x331/0x6e0 [ 406.408114] addrconf_rs_timer+0x314/0x690 [ 406.412358] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 406.416608] call_timer_fn+0x272/0x920 [ 406.420502] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 406.424757] ? process_timeout+0x40/0x40 [ 406.428843] ? mark_held_locks+0xc7/0x130 [ 406.433023] ? _raw_spin_unlock_irq+0x27/0x80 [ 406.437530] ? _raw_spin_unlock_irq+0x27/0x80 [ 406.442043] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 406.446311] ? lockdep_hardirqs_on+0x296/0x5b0 [ 406.450915] ? trace_hardirqs_on+0xbd/0x310 [ 406.455238] ? kasan_check_read+0x11/0x20 [ 406.459384] ? __run_timers+0x7da/0xc70 [ 406.463366] ? trace_hardirqs_off_caller+0x310/0x310 [ 406.468481] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 406.472725] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 406.476963] __run_timers+0x7e5/0xc70 [ 406.480818] ? timer_fixup_init+0x70/0x70 [ 406.484967] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 406.489987] ? zap_class+0x640/0x640 [ 406.493711] ? print_usage_bug+0xc0/0xc0 [ 406.497777] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 406.502975] ? find_held_lock+0x36/0x1c0 [ 406.507062] ? zap_class+0x640/0x640 [ 406.510786] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.516359] ? check_preemption_disabled+0x48/0x280 [ 406.521456] ? __lock_is_held+0xb5/0x140 [ 406.525528] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.531070] ? check_preemption_disabled+0x48/0x280 [ 406.536094] run_timer_softirq+0x52/0xb0 [ 406.540177] ? rcu_read_lock_sched_held+0x14f/0x180 [ 406.545236] __do_softirq+0x308/0xb7e [ 406.549051] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 406.553548] ? lock_downgrade+0x900/0x900 [ 406.557707] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 406.562824] ? pvclock_read_flags+0x160/0x160 [ 406.567325] ? lapic_next_event+0x5a/0x90 [ 406.571483] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.577037] ? kvm_clock_read+0x18/0x30 [ 406.581016] ? kvm_sched_clock_read+0x9/0x20 [ 406.585453] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 406.591002] ? check_preemption_disabled+0x48/0x280 [ 406.596046] irq_exit+0x17f/0x1c0 [ 406.599508] smp_apic_timer_interrupt+0x1cb/0x760 [ 406.604353] ? smp_reschedule_interrupt+0x109/0x650 [ 406.609377] ? smp_call_function_single_interrupt+0x650/0x650 [ 406.615268] ? interrupt_entry+0xb5/0xc0 [ 406.619334] ? trace_hardirqs_off_caller+0xbb/0x310 [ 406.624366] ? trace_hardirqs_off_caller+0xbb/0x310 [ 406.629407] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 406.634254] ? trace_hardirqs_on_caller+0x310/0x310 [ 406.639281] ? trace_hardirqs_on_caller+0x310/0x310 [ 406.644328] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 406.649212] apic_timer_interrupt+0xf/0x20 [ 406.653458] [ 406.655703] RIP: 0010:dump_stack+0x358/0x39d [ 406.660142] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 f1 36 ed f9 48 83 3d f9 27 7c 01 00 0f 84 63 fe ff ff e8 6e b7 a9 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b b7 a9 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 406.679069] RSP: 0000:ffff8881bb40e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 406.686785] RAX: ffff8881c2208180 RBX: 1ffffffff12a3f6e RCX: 1ffff1103844114e [ 406.694066] RDX: 0000000000000000 RSI: ffffffff87d5d382 RDI: 0000000000000293 [ 406.701406] RBP: ffff8881bb40e290 R08: ffff8881c2208a70 R09: 0000000000000006 [ 406.708678] R10: 0000000000000000 R11: ffff8881c2208180 R12: 1ffff11037681c45 [ 406.715953] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 406.723249] ? dump_stack+0x34f/0x39d [ 406.727069] ? dump_stack_print_info.cold.1+0x20/0x20 [ 406.732271] ? mark_held_locks+0x130/0x130 [ 406.736511] ? mark_held_locks+0x130/0x130 [ 406.740752] dump_header+0x27b/0xf72 [ 406.744483] ? pagefault_out_of_memory+0x197/0x197 [ 406.749428] ? __lock_acquire+0x62f/0x4c20 [ 406.753670] ? percpu_ref_get_many+0x240/0x240 [ 406.758262] ? print_usage_bug+0xc0/0xc0 [ 406.762330] ? zap_class+0x640/0x640 [ 406.766057] ? print_usage_bug+0xc0/0xc0 [ 406.770128] ? print_usage_bug+0xc0/0xc0 [ 406.774199] ? zap_class+0x640/0x640 [ 406.777921] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.783465] ? find_held_lock+0x36/0x1c0 [ 406.787537] ? mark_held_locks+0xc7/0x130 [ 406.791703] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 406.796810] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 406.801922] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 406.806512] ? trace_hardirqs_on+0xbd/0x310 [ 406.810834] ? kasan_check_read+0x11/0x20 [ 406.814985] ? ___ratelimit+0x3b4/0x672 [ 406.818979] ? trace_hardirqs_off_caller+0x310/0x310 [ 406.824089] ? trace_hardirqs_on+0x310/0x310 [ 406.828501] ? lock_downgrade+0x900/0x900 [ 406.832657] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 406.837765] ? ___ratelimit+0x3b9/0x672 [ 406.841757] ? idr_get_free+0xf70/0xf70 [ 406.845733] ? find_held_lock+0x36/0x1c0 [ 406.849807] oom_kill_process.cold.27+0x10/0x903 [ 406.854566] ? zap_class+0x640/0x640 [ 406.858283] ? check_preemption_disabled+0x48/0x280 [ 406.863304] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 406.868241] ? kasan_check_read+0x11/0x20 [ 406.872398] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 406.877690] ? oom_evaluate_task+0x540/0x540 [ 406.882107] ? find_held_lock+0x36/0x1c0 [ 406.886213] ? out_of_memory+0x974/0x1430 [ 406.890365] ? lock_downgrade+0x900/0x900 [ 406.894524] ? check_preemption_disabled+0x48/0x280 [ 406.899551] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 406.904480] ? kasan_check_read+0x11/0x20 [ 406.908630] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 406.913907] ? rcu_softirq_qs+0x20/0x20 [ 406.917893] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 406.923437] ? oom_evaluate_task+0x302/0x540 [ 406.927850] out_of_memory+0xa84/0x1430 [ 406.931835] ? oom_killer_disable+0x3a0/0x3a0 [ 406.936332] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 406.941269] ? __ww_mutex_check_waiters+0x160/0x160 [ 406.946306] __alloc_pages_slowpath+0x232c/0x2de0 [ 406.951184] ? warn_alloc+0x120/0x120 [ 406.954988] ? mark_held_locks+0x130/0x130 [ 406.959236] ? find_get_entry+0xaae/0x1120 [ 406.963486] ? filemap_map_pages+0x1a20/0x1a20 [ 406.968103] ? zap_class+0x640/0x640 [ 406.971825] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.977372] ? check_preemption_disabled+0x48/0x280 [ 406.982406] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 406.987948] ? should_fail+0x22d/0xd01 [ 406.991885] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 406.997010] ? zap_class+0x640/0x640 [ 407.000762] ? __lock_is_held+0xb5/0x140 [ 407.004834] ? mark_held_locks+0x130/0x130 [ 407.009078] ? lock_release+0xa00/0xa00 [ 407.013066] ? perf_trace_sched_process_exec+0x860/0x860 [ 407.018519] ? xa_load+0x2ba/0x460 [ 407.022070] ? lock_downgrade+0x900/0x900 [ 407.026226] ? __might_sleep+0x95/0x190 [ 407.030210] __alloc_pages_nodemask+0xad8/0xea0 [ 407.034889] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 407.039908] ? __page_cache_alloc+0x191/0x5c0 [ 407.044411] ? xa_load+0x2e1/0x460 [ 407.047968] ? xa_clear_mark+0x40/0x40 [ 407.051871] ? zap_class+0x640/0x640 [ 407.055608] ? zap_class+0x640/0x640 [ 407.059321] ? zap_class+0x640/0x640 [ 407.063048] ? __do_page_cache_readahead+0x663/0x810 [ 407.068163] ? find_held_lock+0x36/0x1c0 [ 407.072250] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 407.077814] alloc_pages_current+0x173/0x350 [ 407.082231] __page_cache_alloc+0x38c/0x5c0 [ 407.086552] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 407.091497] ? kasan_check_read+0x11/0x20 [ 407.095647] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 407.100947] ? generic_perform_write+0x6a0/0x6a0 [ 407.105709] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 407.111252] ? check_preemption_disabled+0x48/0x280 [ 407.116283] filemap_fault+0x1595/0x25f0 [ 407.120362] ? __lock_page_or_retry+0xa00/0xa00 [ 407.125049] ? mark_held_locks+0x130/0x130 [ 407.129301] ? filemap_map_pages+0xd6b/0x1a20 [ 407.133804] ? lock_downgrade+0x900/0x900 [ 407.137953] ? check_preemption_disabled+0x48/0x280 [ 407.142985] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 407.147928] ? kasan_check_read+0x11/0x20 [ 407.152087] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 407.157364] ? rcu_softirq_qs+0x20/0x20 [ 407.161356] ? filemap_map_pages+0xd92/0x1a20 [ 407.165868] ? find_get_entries_tag+0x1400/0x1400 [ 407.170723] ? debug_object_destroy+0x2b0/0x2b0 [ 407.175403] ? lock_pi_update_atomic+0x150/0x150 [ 407.180689] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.186249] ? lock_acquire+0x1ed/0x520 [ 407.190228] ? ext4_filemap_fault+0x7a/0xad [ 407.194558] ? lock_release+0xa00/0xa00 [ 407.198542] ? perf_trace_sched_process_exec+0x860/0x860 [ 407.203999] ? print_usage_bug+0xc0/0xc0 [ 407.208073] ? print_usage_bug+0xc0/0xc0 [ 407.212150] ? down_read+0x8d/0x120 [ 407.215806] ? ext4_filemap_fault+0x7a/0xad [ 407.220132] ? __down_interruptible+0x700/0x700 [ 407.224814] ext4_filemap_fault+0x82/0xad [ 407.228972] __do_fault+0x100/0x6b0 [ 407.232600] ? find_held_lock+0x36/0x1c0 [ 407.236669] ? pmd_devmap_trans_unstable+0x220/0x220 [ 407.241811] ? mark_held_locks+0x130/0x130 [ 407.246057] ? mark_held_locks+0x130/0x130 [ 407.250306] ? debug_smp_processor_id+0x1c/0x20 [ 407.254988] ? perf_trace_lock+0x14d/0x7a0 [ 407.259235] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 407.264785] __handle_mm_fault+0x3ea0/0x5be0 [ 407.269215] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 407.274077] ? lock_is_held_type+0x210/0x210 [ 407.278513] ? __switch_to_asm+0x34/0x70 [ 407.282587] ? __switch_to_asm+0x34/0x70 [ 407.286671] ? zap_class+0x640/0x640 [ 407.290387] ? zap_class+0x640/0x640 [ 407.294107] ? __x64_sys_futex+0x53e/0x6a0 [ 407.298356] ? find_held_lock+0x36/0x1c0 [ 407.302440] ? handle_mm_fault+0x42a/0xc70 [ 407.306692] ? lock_downgrade+0x900/0x900 [ 407.310845] ? check_preemption_disabled+0x48/0x280 [ 407.315867] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 407.320800] ? kasan_check_read+0x11/0x20 [ 407.324953] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 407.330235] ? rcu_softirq_qs+0x20/0x20 [ 407.334218] ? trace_hardirqs_off_caller+0x310/0x310 [ 407.339374] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 407.344974] ? check_preemption_disabled+0x48/0x280 [ 407.350042] handle_mm_fault+0x54f/0xc70 [ 407.354112] ? __handle_mm_fault+0x5be0/0x5be0 [ 407.358702] ? find_vma+0x34/0x190 [ 407.362257] __do_page_fault+0x5e8/0xe60 [ 407.366322] ? trace_hardirqs_off+0xb8/0x310 [ 407.370751] do_page_fault+0xf2/0x7e0 [ 407.374561] ? vmalloc_sync_all+0x30/0x30 [ 407.378753] ? error_entry+0x70/0xd0 [ 407.382486] ? trace_hardirqs_off_caller+0xbb/0x310 [ 407.387505] ? trace_hardirqs_on_caller+0xc0/0x310 [ 407.392438] ? syscall_return_slowpath+0x5e0/0x5e0 [ 407.397371] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 407.402224] ? trace_hardirqs_on_caller+0x310/0x310 [ 407.407248] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 407.412715] ? prepare_exit_to_usermode+0x291/0x3b0 [ 407.417743] ? page_fault+0x8/0x30 [ 407.421291] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 407.426152] ? page_fault+0x8/0x30 [ 407.429743] page_fault+0x1e/0x30 [ 407.433199] RIP: 0033:0x45ddf3 [ 407.436405] Code: Bad RIP value. [ 407.439766] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 407.445159] RAX: ffffffffffffff92 RBX: 0000000028898d51 RCX: 000000000045ddf3 [ 407.452431] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014f1120 [ 407.459706] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 407.466985] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 407.474264] R13: 000000c42841fe60 R14: 0000000000000001 R15: 0000000000000000 [ 407.481566] warn_alloc_show_mem: 1 callbacks suppressed [ 407.481579] CPU: 1 PID: 16798 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #167 [ 407.481581] Mem-Info: [ 407.481613] active_anon:45985 inactive_anon:296 isolated_anon:0 [ 407.481613] active_file:15 inactive_file:8 isolated_file:0 [ 407.481613] unevictable:0 dirty:0 writeback:0 unstable:0 [ 407.481613] slab_reclaimable:9236 slab_unreclaimable:1461135 [ 407.481613] mapped:40979 shmem:353 pagetables:587 bounce:0 [ 407.481613] free:13771 free_pcp:249 free_cma:0 [ 407.486954] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 407.486964] Call Trace: [ 407.494342] Node 0 active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1412kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 407.496743] [ 407.529530] 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 [ 407.538911] dump_stack+0x244/0x39d [ 407.541465] lowmem_reserve[]: 0 2818 6321 6321 [ 407.569173] ? dump_stack_print_info.cold.1+0x20/0x20 [ 407.571296] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:404kB local_pcp:156kB free_cma:0kB [ 407.597424] warn_alloc.cold.116+0xb7/0x1bd [ 407.601039] lowmem_reserve[]: 0 0 3503 3503 [ 407.605627] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 407.610790] Node 0 Normal free:14000kB min:37364kB low:46704kB high:56044kB active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2348kB bounce:0kB free_pcp:592kB local_pcp:388kB free_cma:0kB [ 407.638320] ? lock_downgrade+0x900/0x900 [ 407.642624] lowmem_reserve[]: 0 0 0 0 [ 407.646957] ? trace_hardirqs_off+0xb8/0x310 [ 407.651770] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 407.680810] ? trace_hardirqs_off+0xb8/0x310 [ 407.684951] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 2*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 407.688781] __alloc_pages_slowpath+0x2651/0x2de0 [ 407.693158] Node 0 Normal: 794*4kB (MEH) 441*8kB (UMEH) 176*16kB (UME) 69*32kB (UMEH) 18*64kB (UM) 1*128kB (U) 2*256kB (U) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14032kB [ 407.706709] ? warn_alloc+0x120/0x120 [ 407.711104] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 407.726193] ? print_usage_bug+0xc0/0xc0 [ 407.731027] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 407.746471] ? warn_alloc+0x120/0x120 [ 407.750254] 376 total pagecache pages [ 407.759098] ? warn_alloc+0x120/0x120 [ 407.763144] 0 pages in swap cache [ 407.771750] ? print_usage_bug+0xc0/0xc0 [ 407.775534] Swap cache stats: add 0, delete 0, find 0/0 [ 407.779343] ? kvm_clock_read+0x18/0x30 [ 407.783114] Free swap = 0kB [ 407.786570] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 407.790594] Total swap = 0kB [ 407.790602] 1965979 pages RAM [ 407.795963] ? print_usage_bug+0xc0/0xc0 [ 407.799910] 0 pages HighMem/MovableOnly [ 407.802936] ? __lock_acquire+0x62f/0x4c20 [ 407.807972] 342854 pages reserved [ 407.810991] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 407.814064] 0 pages cma reserved [ 407.818125] ? should_fail+0x22d/0xd01 [ 407.822132] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 407.826301] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 407.826321] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 407.829918] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 407.835289] ? __lock_acquire+0x62f/0x4c20 [ 407.838629] syz-fuzzer cpuset=/ mems_allowed=0 [ 407.842515] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 407.883486] ? __lock_acquire+0x62f/0x4c20 [ 407.887742] ? should_fail+0x22d/0xd01 [ 407.891630] ? rcu_irq_exit+0x1a2/0x390 [ 407.895620] ? mark_held_locks+0x130/0x130 [ 407.899862] ? mark_held_locks+0x130/0x130 [ 407.904131] ? mark_held_locks+0xc7/0x130 [ 407.908288] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 407.913313] ? zap_class+0x640/0x640 [ 407.917043] ? print_usage_bug+0xc0/0xc0 [ 407.921116] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.926666] ? check_preemption_disabled+0x48/0x280 [ 407.931702] ? __lock_is_held+0xb5/0x140 [ 407.935779] __alloc_pages_nodemask+0xad8/0xea0 [ 407.940455] ? zap_class+0x640/0x640 [ 407.944179] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 407.949250] ? find_held_lock+0x36/0x1c0 [ 407.953332] ? ____cache_alloc_node+0x1c7/0x1e0 [ 407.958010] ? lock_downgrade+0x900/0x900 [ 407.962183] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.967734] cache_grow_begin+0xa5/0x8c0 [ 407.971801] ? do_raw_spin_unlock+0xa7/0x330 [ 407.976230] fallback_alloc+0x204/0x2e0 [ 407.980221] ____cache_alloc_node+0x1c7/0x1e0 [ 407.984732] kmem_cache_alloc_node+0xe3/0x730 [ 407.989243] ? ipv6_get_ifaddr+0x42e/0x620 [ 407.993497] __alloc_skb+0x119/0x770 [ 407.997215] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 408.002521] ? netdev_alloc_frag+0x1f0/0x1f0 [ 408.006939] ? lock_downgrade+0x900/0x900 [ 408.011103] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.016651] ? refcount_sub_and_test_checked+0x203/0x310 [ 408.022121] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 408.027584] ? addrconf_rs_timer+0x690/0x690 [ 408.032018] ndisc_alloc_skb+0x144/0x340 [ 408.036102] ndisc_send_rs+0x331/0x6e0 [ 408.040005] addrconf_rs_timer+0x314/0x690 [ 408.044269] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 408.048536] call_timer_fn+0x272/0x920 [ 408.052426] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 408.056667] ? process_timeout+0x40/0x40 [ 408.060748] ? __run_timers+0x7da/0xc70 [ 408.064748] ? _raw_spin_unlock_irq+0x27/0x80 [ 408.069253] ? _raw_spin_unlock_irq+0x27/0x80 [ 408.073750] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 408.077988] ? lockdep_hardirqs_on+0x296/0x5b0 [ 408.082603] ? trace_hardirqs_on+0xbd/0x310 [ 408.086930] ? kasan_check_read+0x11/0x20 [ 408.091098] ? __run_timers+0x7da/0xc70 [ 408.095083] ? trace_hardirqs_off_caller+0x310/0x310 [ 408.100213] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 408.104459] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 408.108702] __run_timers+0x7e5/0xc70 [ 408.112520] ? timer_fixup_init+0x70/0x70 [ 408.116676] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 408.121697] ? zap_class+0x640/0x640 [ 408.125424] ? enqueue_hrtimer+0x1a5/0x560 [ 408.129671] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 408.134874] ? find_held_lock+0x36/0x1c0 [ 408.138949] ? zap_class+0x640/0x640 [ 408.142670] ? pvclock_read_flags+0x160/0x160 [ 408.147185] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.152732] ? check_preemption_disabled+0x48/0x280 [ 408.157767] ? __lock_is_held+0xb5/0x140 [ 408.161855] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.167403] ? check_preemption_disabled+0x48/0x280 [ 408.172432] run_timer_softirq+0x52/0xb0 [ 408.176505] ? rcu_read_lock_sched_held+0x14f/0x180 [ 408.181528] __do_softirq+0x308/0xb7e [ 408.185343] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 408.189869] ? lock_downgrade+0x900/0x900 [ 408.194059] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 408.199175] ? pvclock_read_flags+0x160/0x160 [ 408.203676] ? lapic_next_event+0x5a/0x90 [ 408.208177] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.213728] ? kvm_clock_read+0x18/0x30 [ 408.217723] ? kvm_sched_clock_read+0x9/0x20 [ 408.222137] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.227680] ? check_preemption_disabled+0x48/0x280 [ 408.232728] irq_exit+0x17f/0x1c0 [ 408.236198] smp_apic_timer_interrupt+0x1cb/0x760 [ 408.241068] ? smp_reschedule_interrupt+0x109/0x650 [ 408.246089] ? smp_call_function_single_interrupt+0x650/0x650 [ 408.251995] ? interrupt_entry+0xb5/0xc0 [ 408.256070] ? trace_hardirqs_off_caller+0xbb/0x310 [ 408.261091] ? trace_hardirqs_off_caller+0xbb/0x310 [ 408.266115] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 408.270963] ? trace_hardirqs_on_caller+0x310/0x310 [ 408.275986] ? trace_hardirqs_on_caller+0x310/0x310 [ 408.281009] ? task_prio+0x50/0x50 [ 408.284566] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.290114] ? check_preemption_disabled+0x48/0x280 [ 408.295149] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 408.300011] apic_timer_interrupt+0xf/0x20 [ 408.304256] [ 408.306505] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 408.311928] Code: 7e 0f 85 cf fe ff ff e8 66 cb 3d ff e9 c5 fe ff ff e8 0d 01 c3 ff 48 83 3d a5 49 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 42 f3 [ 408.330831] RSP: 0018:ffff888195497718 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 408.338539] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 408.345808] RDX: 0000000000000000 RSI: ffff8881d2488b40 RDI: 0000000000000282 [ 408.353074] RBP: ffff888195497780 R08: ffff8881d24882c0 R09: 0000000000000000 [ 408.360340] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 408.367607] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020 [ 408.374923] skb_clone+0x1bb/0x500 [ 408.378471] ? skb_split+0x11e0/0x11e0 [ 408.382394] ? check_preemption_disabled+0x48/0x280 [ 408.387416] ? __this_cpu_preempt_check+0x1c/0x20 [ 408.392286] ? __bpf_redirect+0x55b/0xb60 [ 408.396434] ? __switch_to_asm+0x34/0x70 [ 408.400495] ? __switch_to_asm+0x40/0x70 [ 408.404563] bpf_clone_redirect+0xb9/0x490 [ 408.408809] bpf_prog_3d1649e183dc2cc1+0xaf9/0x1000 [ 408.413827] ? __sched_text_start+0x8/0x8 [ 408.417992] ? find_held_lock+0x36/0x1c0 [ 408.422072] ? lock_acquire+0x1ed/0x520 [ 408.426056] ? bpf_test_run+0x3cb/0x780 [ 408.430045] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.435587] ? check_preemption_disabled+0x48/0x280 [ 408.440614] ? kasan_check_read+0x11/0x20 [ 408.444761] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 408.450045] ? rcu_softirq_qs+0x20/0x20 [ 408.454025] ? preempt_schedule+0x4d/0x60 [ 408.458184] ? ___preempt_schedule+0x16/0x18 [ 408.462603] ? bpf_test_run+0x25d/0x780 [ 408.466589] ? netlink_diag_dump+0x2a0/0x2a0 [ 408.471003] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 408.476548] ? bpf_test_init.isra.10+0x70/0x100 [ 408.481224] ? bpf_prog_test_run_skb+0x73b/0xd10 [ 408.485989] ? bpf_test_finish.isra.9+0x260/0x260 [ 408.490830] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 408.496369] ? fput+0x130/0x1a0 [ 408.499651] ? __bpf_prog_get+0x9b/0x290 [ 408.503719] ? bpf_test_finish.isra.9+0x260/0x260 [ 408.508560] ? bpf_prog_test_run+0x130/0x1a0 [ 408.512970] ? __x64_sys_bpf+0x3db/0x520 [ 408.517029] ? bpf_prog_get+0x20/0x20 [ 408.520861] ? do_syscall_64+0x1b9/0x820 [ 408.524936] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 408.530302] ? syscall_return_slowpath+0x5e0/0x5e0 [ 408.535229] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 408.540072] ? trace_hardirqs_on_caller+0x310/0x310 [ 408.545093] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 408.550119] ? prepare_exit_to_usermode+0x291/0x3b0 [ 408.555152] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 408.560029] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 408.565424] CPU: 0 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #167 [ 408.565497] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 408.572443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 408.572448] Call Trace: [ 408.572455] [ 408.572473] dump_stack+0x244/0x39d [ 408.572493] ? dump_stack_print_info.cold.1+0x20/0x20 [ 408.579065] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 408.588327] warn_alloc.cold.116+0xb7/0x1bd [ 408.590885] syz-executor0 cpuset=syz0 mems_allowed=0 [ 408.593028] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 408.626531] ? lock_downgrade+0x900/0x900 [ 408.630690] ? trace_hardirqs_off+0xb8/0x310 [ 408.635110] ? trace_hardirqs_off+0xb8/0x310 [ 408.639527] __alloc_pages_slowpath+0x2651/0x2de0 [ 408.644404] ? warn_alloc+0x120/0x120 [ 408.648208] ? print_usage_bug+0xc0/0xc0 [ 408.652297] ? warn_alloc+0x120/0x120 [ 408.656192] ? warn_alloc+0x120/0x120 [ 408.659995] ? print_usage_bug+0xc0/0xc0 [ 408.664067] ? kvm_clock_read+0x18/0x30 [ 408.668050] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 408.673071] ? print_usage_bug+0xc0/0xc0 [ 408.677141] ? __lock_acquire+0x62f/0x4c20 [ 408.681384] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 408.686931] ? should_fail+0x22d/0xd01 [ 408.690816] ? __lock_acquire+0x62f/0x4c20 [ 408.695061] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 408.700166] ? __lock_acquire+0x62f/0x4c20 [ 408.704408] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 408.709566] ? __lock_acquire+0x62f/0x4c20 [ 408.713798] ? should_fail+0x22d/0xd01 [ 408.717695] ? mark_held_locks+0x130/0x130 [ 408.721940] ? mark_held_locks+0x130/0x130 [ 408.726185] ? zap_class+0x640/0x640 [ 408.729898] ? print_usage_bug+0xc0/0xc0 [ 408.733961] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.739505] ? check_preemption_disabled+0x48/0x280 [ 408.744537] ? __lock_is_held+0xb5/0x140 [ 408.748621] __alloc_pages_nodemask+0xad8/0xea0 [ 408.753289] ? zap_class+0x640/0x640 [ 408.757010] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 408.762070] ? find_held_lock+0x36/0x1c0 [ 408.766140] ? ____cache_alloc_node+0x1c7/0x1e0 [ 408.770811] ? lock_downgrade+0x900/0x900 [ 408.774968] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.780511] cache_grow_begin+0xa5/0x8c0 [ 408.784575] ? do_raw_spin_unlock+0xa7/0x330 [ 408.789007] fallback_alloc+0x204/0x2e0 [ 408.792993] ____cache_alloc_node+0x1c7/0x1e0 [ 408.797518] kmem_cache_alloc_node+0xe3/0x730 [ 408.802018] ? ipv6_get_ifaddr+0x42e/0x620 [ 408.806273] __alloc_skb+0x119/0x770 [ 408.809991] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 408.815276] ? netdev_alloc_frag+0x1f0/0x1f0 [ 408.819685] ? lock_downgrade+0x900/0x900 [ 408.823838] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.829375] ? refcount_sub_and_test_checked+0x203/0x310 [ 408.834833] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 408.840287] ? addrconf_rs_timer+0x690/0x690 [ 408.844735] ndisc_alloc_skb+0x144/0x340 [ 408.848800] ndisc_send_rs+0x331/0x6e0 [ 408.852695] addrconf_rs_timer+0x314/0x690 [ 408.856946] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 408.861206] call_timer_fn+0x272/0x920 [ 408.865108] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 408.869340] ? process_timeout+0x40/0x40 [ 408.873418] ? mark_held_locks+0xc7/0x130 [ 408.877570] ? _raw_spin_unlock_irq+0x27/0x80 [ 408.882083] ? _raw_spin_unlock_irq+0x27/0x80 [ 408.886574] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 408.890808] ? lockdep_hardirqs_on+0x296/0x5b0 [ 408.895391] ? trace_hardirqs_on+0xbd/0x310 [ 408.899723] ? kasan_check_read+0x11/0x20 [ 408.903867] ? __run_timers+0x7da/0xc70 [ 408.907842] ? trace_hardirqs_off_caller+0x310/0x310 [ 408.912974] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 408.917207] __run_timers+0x7e5/0xc70 [ 408.921015] ? timer_fixup_init+0x70/0x70 [ 408.925176] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 408.930193] ? zap_class+0x640/0x640 [ 408.933914] ? print_usage_bug+0xc0/0xc0 [ 408.937979] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 408.943191] ? find_held_lock+0x36/0x1c0 [ 408.947255] ? zap_class+0x640/0x640 [ 408.950975] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.956515] ? check_preemption_disabled+0x48/0x280 [ 408.961545] ? __lock_is_held+0xb5/0x140 [ 408.965609] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.971145] ? check_preemption_disabled+0x48/0x280 [ 408.976168] run_timer_softirq+0x52/0xb0 [ 408.980232] ? rcu_read_lock_sched_held+0x14f/0x180 [ 408.985265] __do_softirq+0x308/0xb7e [ 408.989117] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 408.993611] ? lock_downgrade+0x900/0x900 [ 408.997761] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 409.002872] ? pvclock_read_flags+0x160/0x160 [ 409.007375] ? lapic_next_event+0x5a/0x90 [ 409.011531] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.017077] ? kvm_clock_read+0x18/0x30 [ 409.021063] ? kvm_sched_clock_read+0x9/0x20 [ 409.025472] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 409.031025] ? check_preemption_disabled+0x48/0x280 [ 409.036067] irq_exit+0x17f/0x1c0 [ 409.039527] smp_apic_timer_interrupt+0x1cb/0x760 [ 409.044411] ? smp_reschedule_interrupt+0x109/0x650 [ 409.049429] ? smp_call_function_single_interrupt+0x650/0x650 [ 409.055312] ? interrupt_entry+0xb5/0xc0 [ 409.059377] ? trace_hardirqs_off_caller+0xbb/0x310 [ 409.064400] ? trace_hardirqs_off_caller+0xbb/0x310 [ 409.069420] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 409.074267] ? trace_hardirqs_on_caller+0x310/0x310 [ 409.079281] ? trace_hardirqs_on_caller+0x310/0x310 [ 409.084309] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 409.089161] apic_timer_interrupt+0xf/0x20 [ 409.093409] [ 409.095650] RIP: 0010:dump_stack+0x358/0x39d [ 409.100076] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 f1 36 ed f9 48 83 3d f9 27 7c 01 00 0f 84 63 fe ff ff e8 6e b7 a9 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b b7 a9 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 409.118971] RSP: 0000:ffff8881bb40e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 409.126680] RAX: ffff8881c2208180 RBX: 1ffffffff12a3f6e RCX: 1ffff1103844114e [ 409.133947] RDX: 0000000000000000 RSI: ffffffff87d5d382 RDI: 0000000000000293 [ 409.141214] RBP: ffff8881bb40e290 R08: ffff8881c2208a70 R09: 0000000000000006 [ 409.148483] R10: 0000000000000000 R11: ffff8881c2208180 R12: 1ffff11037681c45 [ 409.155748] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 409.163046] ? dump_stack+0x34f/0x39d [ 409.166861] ? dump_stack_print_info.cold.1+0x20/0x20 [ 409.172062] ? mark_held_locks+0x130/0x130 [ 409.176311] ? mark_held_locks+0x130/0x130 [ 409.180680] dump_header+0x27b/0xf72 [ 409.184411] ? pagefault_out_of_memory+0x197/0x197 [ 409.189356] ? __lock_acquire+0x62f/0x4c20 [ 409.193592] ? percpu_ref_get_many+0x240/0x240 [ 409.198180] ? print_usage_bug+0xc0/0xc0 [ 409.202265] ? zap_class+0x640/0x640 [ 409.205985] ? print_usage_bug+0xc0/0xc0 [ 409.210059] ? print_usage_bug+0xc0/0xc0 [ 409.214125] ? zap_class+0x640/0x640 [ 409.217847] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.223410] ? find_held_lock+0x36/0x1c0 [ 409.227482] ? mark_held_locks+0xc7/0x130 [ 409.231635] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 409.236741] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 409.241862] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 409.246452] ? trace_hardirqs_on+0xbd/0x310 [ 409.250774] ? kasan_check_read+0x11/0x20 [ 409.254960] ? ___ratelimit+0x3b4/0x672 [ 409.258941] ? trace_hardirqs_off_caller+0x310/0x310 [ 409.264056] ? trace_hardirqs_on+0x310/0x310 [ 409.268470] ? lock_downgrade+0x900/0x900 [ 409.272628] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 409.277738] ? ___ratelimit+0x3b9/0x672 [ 409.281720] ? idr_get_free+0xf70/0xf70 [ 409.285700] ? find_held_lock+0x36/0x1c0 [ 409.289774] oom_kill_process.cold.27+0x10/0x903 [ 409.294534] ? zap_class+0x640/0x640 [ 409.298253] ? check_preemption_disabled+0x48/0x280 [ 409.303276] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 409.308207] ? kasan_check_read+0x11/0x20 [ 409.312357] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 409.317642] ? oom_evaluate_task+0x540/0x540 [ 409.322065] ? find_held_lock+0x36/0x1c0 [ 409.326142] ? out_of_memory+0x974/0x1430 [ 409.330295] ? lock_downgrade+0x900/0x900 [ 409.334448] ? check_preemption_disabled+0x48/0x280 [ 409.339473] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 409.344414] ? kasan_check_read+0x11/0x20 [ 409.348568] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 409.353851] ? rcu_softirq_qs+0x20/0x20 [ 409.357835] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 409.363384] ? oom_evaluate_task+0x302/0x540 [ 409.367823] out_of_memory+0xa84/0x1430 [ 409.371811] ? oom_killer_disable+0x3a0/0x3a0 [ 409.376314] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 409.381258] ? __ww_mutex_check_waiters+0x160/0x160 [ 409.386296] __alloc_pages_slowpath+0x232c/0x2de0 [ 409.391179] ? warn_alloc+0x120/0x120 [ 409.394987] ? mark_held_locks+0x130/0x130 [ 409.399240] ? find_get_entry+0xaae/0x1120 [ 409.403490] ? filemap_map_pages+0x1a20/0x1a20 [ 409.408086] ? zap_class+0x640/0x640 [ 409.411812] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.417355] ? check_preemption_disabled+0x48/0x280 [ 409.422381] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 409.427926] ? should_fail+0x22d/0xd01 [ 409.431824] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 409.436937] ? zap_class+0x640/0x640 [ 409.440675] ? __lock_is_held+0xb5/0x140 [ 409.444750] ? mark_held_locks+0x130/0x130 [ 409.448989] ? lock_release+0xa00/0xa00 [ 409.452965] ? perf_trace_sched_process_exec+0x860/0x860 [ 409.458421] ? xa_load+0x2ba/0x460 [ 409.461965] ? lock_downgrade+0x900/0x900 [ 409.466125] ? __might_sleep+0x95/0x190 [ 409.470110] __alloc_pages_nodemask+0xad8/0xea0 [ 409.474806] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 409.479873] ? __page_cache_alloc+0x191/0x5c0 [ 409.484402] ? xa_load+0x2e1/0x460 [ 409.487957] ? xa_clear_mark+0x40/0x40 [ 409.491862] ? zap_class+0x640/0x640 [ 409.495585] ? zap_class+0x640/0x640 [ 409.499314] ? zap_class+0x640/0x640 [ 409.503069] ? __do_page_cache_readahead+0x663/0x810 [ 409.508185] ? find_held_lock+0x36/0x1c0 [ 409.512295] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 409.517845] alloc_pages_current+0x173/0x350 [ 409.522268] __page_cache_alloc+0x38c/0x5c0 [ 409.526594] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 409.531525] ? kasan_check_read+0x11/0x20 [ 409.535722] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 409.541043] ? generic_perform_write+0x6a0/0x6a0 [ 409.545811] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 409.551354] ? check_preemption_disabled+0x48/0x280 [ 409.556380] filemap_fault+0x1595/0x25f0 [ 409.560464] ? __lock_page_or_retry+0xa00/0xa00 [ 409.565138] ? mark_held_locks+0x130/0x130 [ 409.569406] ? filemap_map_pages+0xd6b/0x1a20 [ 409.573931] ? lock_downgrade+0x900/0x900 [ 409.578099] ? check_preemption_disabled+0x48/0x280 [ 409.583153] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 409.588085] ? kasan_check_read+0x11/0x20 [ 409.592238] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 409.597522] ? rcu_softirq_qs+0x20/0x20 [ 409.601513] ? filemap_map_pages+0xd92/0x1a20 [ 409.606058] ? find_get_entries_tag+0x1400/0x1400 [ 409.610926] ? debug_object_destroy+0x2b0/0x2b0 [ 409.615601] ? lock_pi_update_atomic+0x150/0x150 [ 409.620361] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.625914] ? lock_acquire+0x1ed/0x520 [ 409.629895] ? ext4_filemap_fault+0x7a/0xad [ 409.634229] ? lock_release+0xa00/0xa00 [ 409.638218] ? perf_trace_sched_process_exec+0x860/0x860 [ 409.643676] ? print_usage_bug+0xc0/0xc0 [ 409.647740] ? print_usage_bug+0xc0/0xc0 [ 409.651842] ? down_read+0x8d/0x120 [ 409.655469] ? ext4_filemap_fault+0x7a/0xad [ 409.659794] ? __down_interruptible+0x700/0x700 [ 409.664474] ext4_filemap_fault+0x82/0xad [ 409.668661] __do_fault+0x100/0x6b0 [ 409.672292] ? find_held_lock+0x36/0x1c0 [ 409.676364] ? pmd_devmap_trans_unstable+0x220/0x220 [ 409.681478] ? mark_held_locks+0x130/0x130 [ 409.685718] ? mark_held_locks+0x130/0x130 [ 409.689969] ? debug_smp_processor_id+0x1c/0x20 [ 409.694696] ? perf_trace_lock+0x14d/0x7a0 [ 409.698941] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 409.704495] __handle_mm_fault+0x3ea0/0x5be0 [ 409.708921] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 409.713786] ? lock_is_held_type+0x210/0x210 [ 409.718204] ? __switch_to_asm+0x34/0x70 [ 409.722265] ? __switch_to_asm+0x34/0x70 [ 409.726362] ? zap_class+0x640/0x640 [ 409.730079] ? zap_class+0x640/0x640 [ 409.733795] ? __x64_sys_futex+0x53e/0x6a0 [ 409.738043] ? find_held_lock+0x36/0x1c0 [ 409.742117] ? handle_mm_fault+0x42a/0xc70 [ 409.746357] ? lock_downgrade+0x900/0x900 [ 409.750510] ? check_preemption_disabled+0x48/0x280 [ 409.755535] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 409.760466] ? kasan_check_read+0x11/0x20 [ 409.764614] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 409.769894] ? rcu_softirq_qs+0x20/0x20 [ 409.773881] ? trace_hardirqs_off_caller+0x310/0x310 [ 409.778991] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 409.784531] ? check_preemption_disabled+0x48/0x280 [ 409.789563] handle_mm_fault+0x54f/0xc70 [ 409.793631] ? __handle_mm_fault+0x5be0/0x5be0 [ 409.798224] ? find_vma+0x34/0x190 [ 409.801772] __do_page_fault+0x5e8/0xe60 [ 409.805832] ? trace_hardirqs_off+0xb8/0x310 [ 409.810283] do_page_fault+0xf2/0x7e0 [ 409.814085] ? vmalloc_sync_all+0x30/0x30 [ 409.818245] ? error_entry+0x70/0xd0 [ 409.821966] ? trace_hardirqs_off_caller+0xbb/0x310 [ 409.826983] ? trace_hardirqs_on_caller+0xc0/0x310 [ 409.831929] ? syscall_return_slowpath+0x5e0/0x5e0 [ 409.836858] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 409.841721] ? trace_hardirqs_on_caller+0x310/0x310 [ 409.846735] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 409.852194] ? prepare_exit_to_usermode+0x291/0x3b0 [ 409.857212] ? page_fault+0x8/0x30 [ 409.860756] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 409.865604] ? page_fault+0x8/0x30 [ 409.869146] page_fault+0x1e/0x30 [ 409.872595] RIP: 0033:0x45ddf3 [ 409.875797] Code: Bad RIP value. [ 409.879162] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 409.884535] RAX: ffffffffffffff92 RBX: 0000000028898d51 RCX: 000000000045ddf3 [ 409.891805] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014f1120 [ 409.899109] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 409.906382] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 409.913657] R13: 000000c42841fe60 R14: 0000000000000001 R15: 0000000000000000 [ 409.920976] warn_alloc_show_mem: 1 callbacks suppressed [ 409.921003] CPU: 1 PID: 16798 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #167 [ 409.921005] Mem-Info: [ 409.921046] active_anon:45985 inactive_anon:296 isolated_anon:0 [ 409.921046] active_file:15 inactive_file:8 isolated_file:0 [ 409.921046] unevictable:0 dirty:0 writeback:0 unstable:0 [ 409.921046] slab_reclaimable:9236 slab_unreclaimable:1461135 [ 409.921046] mapped:40979 shmem:353 pagetables:587 bounce:0 [ 409.921046] free:13771 free_pcp:249 free_cma:0 [ 409.926383] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 409.926392] Call Trace: [ 409.933772] Node 0 active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1412kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 409.936179] [ 409.968982] 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 [ 409.978353] dump_stack+0x244/0x39d [ 409.980907] lowmem_reserve[]: 0 2818 6321 6321 [ 410.008608] ? dump_stack_print_info.cold.1+0x20/0x20 [ 410.010733] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:404kB local_pcp:156kB free_cma:0kB [ 410.036855] warn_alloc.cold.116+0xb7/0x1bd [ 410.040452] lowmem_reserve[]: 0 0 3503 3503 [ 410.045068] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 410.050230] Node 0 Normal free:14000kB min:37364kB low:46704kB high:56044kB active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2348kB bounce:0kB free_pcp:592kB local_pcp:388kB free_cma:0kB [ 410.077740] ? lock_downgrade+0x900/0x900 [ 410.082044] lowmem_reserve[]: 0 0 0 0 [ 410.086373] ? trace_hardirqs_off+0xb8/0x310 [ 410.091186] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 410.120174] ? trace_hardirqs_off+0xb8/0x310 [ 410.124299] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 2*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 410.128103] __alloc_pages_slowpath+0x2651/0x2de0 [ 410.132492] Node 0 Normal: 794*4kB (MEH) 441*8kB (UMEH) 176*16kB (UME) 69*32kB (UMEH) 18*64kB (UM) 1*128kB (U) 2*256kB (U) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14032kB [ 410.146069] ? warn_alloc+0x120/0x120 [ 410.150432] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 410.165537] ? print_usage_bug+0xc0/0xc0 [ 410.170367] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 410.185820] ? warn_alloc+0x120/0x120 [ 410.189600] 376 total pagecache pages [ 410.198437] ? warn_alloc+0x120/0x120 [ 410.202485] 0 pages in swap cache [ 410.211065] ? print_usage_bug+0xc0/0xc0 [ 410.214844] Swap cache stats: add 0, delete 0, find 0/0 [ 410.218658] ? kvm_clock_read+0x18/0x30 [ 410.222431] Free swap = 0kB [ 410.225891] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 410.229914] Total swap = 0kB [ 410.229922] 1965979 pages RAM [ 410.235288] ? print_usage_bug+0xc0/0xc0 [ 410.239234] 0 pages HighMem/MovableOnly [ 410.242251] ? __lock_acquire+0x62f/0x4c20 [ 410.247240] 342854 pages reserved [ 410.250259] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 410.253334] 0 pages cma reserved [ 410.257391] ? should_fail+0x22d/0xd01 [ 410.261405] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 410.265569] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 410.265608] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 410.269144] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 410.274596] ? __lock_acquire+0x62f/0x4c20 [ 410.277953] syz-fuzzer cpuset=/ mems_allowed=0 [ 410.281836] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 410.323257] ? __lock_acquire+0x62f/0x4c20 [ 410.327492] ? should_fail+0x22d/0xd01 [ 410.331378] ? rcu_irq_exit+0x1a2/0x390 [ 410.335394] ? mark_held_locks+0x130/0x130 [ 410.339665] ? mark_held_locks+0x130/0x130 [ 410.343910] ? mark_held_locks+0xc7/0x130 [ 410.348065] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 410.353085] ? zap_class+0x640/0x640 [ 410.356797] ? print_usage_bug+0xc0/0xc0 [ 410.360873] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.366416] ? check_preemption_disabled+0x48/0x280 [ 410.371458] ? __lock_is_held+0xb5/0x140 [ 410.376392] __alloc_pages_nodemask+0xad8/0xea0 [ 410.381069] ? zap_class+0x640/0x640 [ 410.384789] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 410.389830] ? find_held_lock+0x36/0x1c0 [ 410.393923] ? ____cache_alloc_node+0x1c7/0x1e0 [ 410.398593] ? lock_downgrade+0x900/0x900 [ 410.402751] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.408295] cache_grow_begin+0xa5/0x8c0 [ 410.412356] ? do_raw_spin_unlock+0xa7/0x330 [ 410.416772] fallback_alloc+0x204/0x2e0 [ 410.420756] ____cache_alloc_node+0x1c7/0x1e0 [ 410.425256] kmem_cache_alloc_node+0xe3/0x730 [ 410.429774] ? ipv6_get_ifaddr+0x42e/0x620 [ 410.434057] __alloc_skb+0x119/0x770 [ 410.437774] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 410.443065] ? netdev_alloc_frag+0x1f0/0x1f0 [ 410.447474] ? lock_downgrade+0x900/0x900 [ 410.451628] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.457190] ? refcount_sub_and_test_checked+0x203/0x310 [ 410.462644] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 410.468098] ? addrconf_rs_timer+0x690/0x690 [ 410.472520] ndisc_alloc_skb+0x144/0x340 [ 410.476585] ndisc_send_rs+0x331/0x6e0 [ 410.480482] addrconf_rs_timer+0x314/0x690 [ 410.484727] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 410.488979] call_timer_fn+0x272/0x920 [ 410.492879] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 410.497122] ? process_timeout+0x40/0x40 [ 410.501189] ? __run_timers+0x7da/0xc70 [ 410.505180] ? _raw_spin_unlock_irq+0x27/0x80 [ 410.509731] ? _raw_spin_unlock_irq+0x27/0x80 [ 410.514276] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 410.518545] ? lockdep_hardirqs_on+0x296/0x5b0 [ 410.523131] ? trace_hardirqs_on+0xbd/0x310 [ 410.527470] ? kasan_check_read+0x11/0x20 [ 410.531615] ? __run_timers+0x7da/0xc70 [ 410.535608] ? trace_hardirqs_off_caller+0x310/0x310 [ 410.540716] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 410.544960] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 410.549191] __run_timers+0x7e5/0xc70 [ 410.553002] ? timer_fixup_init+0x70/0x70 [ 410.557161] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 410.562177] ? zap_class+0x640/0x640 [ 410.565896] ? enqueue_hrtimer+0x1a5/0x560 [ 410.570137] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 410.575349] ? find_held_lock+0x36/0x1c0 [ 410.579414] ? zap_class+0x640/0x640 [ 410.583133] ? pvclock_read_flags+0x160/0x160 [ 410.587630] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.593172] ? check_preemption_disabled+0x48/0x280 [ 410.598197] ? __lock_is_held+0xb5/0x140 [ 410.602271] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.607812] ? check_preemption_disabled+0x48/0x280 [ 410.612830] run_timer_softirq+0x52/0xb0 [ 410.616891] ? rcu_read_lock_sched_held+0x14f/0x180 [ 410.621922] __do_softirq+0x308/0xb7e [ 410.625725] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 410.630219] ? lock_downgrade+0x900/0x900 [ 410.634380] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 410.639493] ? pvclock_read_flags+0x160/0x160 [ 410.644004] ? lapic_next_event+0x5a/0x90 [ 410.648162] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.653704] ? kvm_clock_read+0x18/0x30 [ 410.657681] ? kvm_sched_clock_read+0x9/0x20 [ 410.662093] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.667630] ? check_preemption_disabled+0x48/0x280 [ 410.672658] irq_exit+0x17f/0x1c0 [ 410.676114] smp_apic_timer_interrupt+0x1cb/0x760 [ 410.680956] ? smp_reschedule_interrupt+0x109/0x650 [ 410.685973] ? smp_call_function_single_interrupt+0x650/0x650 [ 410.691857] ? interrupt_entry+0xb5/0xc0 [ 410.695926] ? trace_hardirqs_off_caller+0xbb/0x310 [ 410.700944] ? trace_hardirqs_off_caller+0xbb/0x310 [ 410.705963] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 410.710810] ? trace_hardirqs_on_caller+0x310/0x310 [ 410.715826] ? trace_hardirqs_on_caller+0x310/0x310 [ 410.720843] ? task_prio+0x50/0x50 [ 410.724390] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.729930] ? check_preemption_disabled+0x48/0x280 [ 410.734949] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 410.739803] apic_timer_interrupt+0xf/0x20 [ 410.744030] [ 410.746282] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 410.751216] Code: 7e 0f 85 cf fe ff ff e8 66 cb 3d ff e9 c5 fe ff ff e8 0d 01 c3 ff 48 83 3d a5 49 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 42 f3 [ 410.770117] RSP: 0018:ffff888195497718 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 410.777825] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 410.785092] RDX: 0000000000000000 RSI: ffff8881d2488b40 RDI: 0000000000000282 [ 410.792389] RBP: ffff888195497780 R08: ffff8881d24882c0 R09: 0000000000000000 [ 410.799656] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 410.806923] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020 [ 410.814230] skb_clone+0x1bb/0x500 [ 410.817775] ? skb_split+0x11e0/0x11e0 [ 410.821667] ? check_preemption_disabled+0x48/0x280 [ 410.826689] ? __this_cpu_preempt_check+0x1c/0x20 [ 410.831532] ? __bpf_redirect+0x55b/0xb60 [ 410.835687] ? __switch_to_asm+0x34/0x70 [ 410.839757] ? __switch_to_asm+0x40/0x70 [ 410.843819] bpf_clone_redirect+0xb9/0x490 [ 410.848067] bpf_prog_3d1649e183dc2cc1+0xaf9/0x1000 [ 410.853104] ? __sched_text_start+0x8/0x8 [ 410.857268] ? find_held_lock+0x36/0x1c0 [ 410.861363] ? lock_acquire+0x1ed/0x520 [ 410.865339] ? bpf_test_run+0x3cb/0x780 [ 410.869319] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.874856] ? check_preemption_disabled+0x48/0x280 [ 410.879880] ? kasan_check_read+0x11/0x20 [ 410.884029] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 410.889319] ? rcu_softirq_qs+0x20/0x20 [ 410.893294] ? preempt_schedule+0x4d/0x60 [ 410.897442] ? ___preempt_schedule+0x16/0x18 [ 410.901857] ? bpf_test_run+0x25d/0x780 [ 410.905843] ? netlink_diag_dump+0x2a0/0x2a0 [ 410.910260] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 410.915843] ? bpf_test_init.isra.10+0x70/0x100 [ 410.921819] ? bpf_prog_test_run_skb+0x73b/0xd10 [ 410.926587] ? bpf_test_finish.isra.9+0x260/0x260 [ 410.931432] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 410.936970] ? fput+0x130/0x1a0 [ 410.940255] ? __bpf_prog_get+0x9b/0x290 [ 410.944320] ? bpf_test_finish.isra.9+0x260/0x260 [ 410.949188] ? bpf_prog_test_run+0x130/0x1a0 [ 410.953630] ? __x64_sys_bpf+0x3db/0x520 [ 410.957690] ? bpf_prog_get+0x20/0x20 [ 410.961513] ? do_syscall_64+0x1b9/0x820 [ 410.965573] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 410.970966] ? syscall_return_slowpath+0x5e0/0x5e0 [ 410.975894] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 410.980746] ? trace_hardirqs_on_caller+0x310/0x310 [ 410.985777] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 410.990809] ? prepare_exit_to_usermode+0x291/0x3b0 [ 410.995831] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 411.000683] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 411.006079] CPU: 0 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #167 [ 411.006146] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 411.013092] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 411.013097] Call Trace: [ 411.013104] [ 411.013122] dump_stack+0x244/0x39d [ 411.013141] ? dump_stack_print_info.cold.1+0x20/0x20 [ 411.019702] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 411.028973] warn_alloc.cold.116+0xb7/0x1bd [ 411.031529] syz-executor0 cpuset=syz0 mems_allowed=0 [ 411.033671] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 411.067158] ? lock_downgrade+0x900/0x900 [ 411.071321] ? trace_hardirqs_off+0xb8/0x310 [ 411.075736] ? trace_hardirqs_off+0xb8/0x310 [ 411.080151] __alloc_pages_slowpath+0x2651/0x2de0 [ 411.085027] ? warn_alloc+0x120/0x120 [ 411.088842] ? print_usage_bug+0xc0/0xc0 [ 411.092903] ? warn_alloc+0x120/0x120 [ 411.096711] ? warn_alloc+0x120/0x120 [ 411.100512] ? print_usage_bug+0xc0/0xc0 [ 411.104748] ? kvm_clock_read+0x18/0x30 [ 411.108725] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 411.113741] ? print_usage_bug+0xc0/0xc0 [ 411.117820] ? __lock_acquire+0x62f/0x4c20 [ 411.122077] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 411.127618] ? should_fail+0x22d/0xd01 [ 411.131504] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 411.136786] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 411.141888] ? __lock_acquire+0x62f/0x4c20 [ 411.146126] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 411.151230] ? __lock_acquire+0x62f/0x4c20 [ 411.155465] ? should_fail+0x22d/0xd01 [ 411.159348] ? rcu_irq_exit+0x1a2/0x390 [ 411.163329] ? mark_held_locks+0x130/0x130 [ 411.167566] ? mark_held_locks+0x130/0x130 [ 411.171808] ? mark_held_locks+0xc7/0x130 [ 411.175954] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 411.181099] ? zap_class+0x640/0x640 [ 411.184813] ? print_usage_bug+0xc0/0xc0 [ 411.188875] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.194420] ? check_preemption_disabled+0x48/0x280 [ 411.199450] ? __lock_is_held+0xb5/0x140 [ 411.203952] __alloc_pages_nodemask+0xad8/0xea0 [ 411.208622] ? zap_class+0x640/0x640 [ 411.212343] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 411.217384] ? find_held_lock+0x36/0x1c0 [ 411.221458] ? ____cache_alloc_node+0x1c7/0x1e0 [ 411.226135] ? lock_downgrade+0x900/0x900 [ 411.230293] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.235839] cache_grow_begin+0xa5/0x8c0 [ 411.239901] ? do_raw_spin_unlock+0xa7/0x330 [ 411.244318] fallback_alloc+0x204/0x2e0 [ 411.248297] ____cache_alloc_node+0x1c7/0x1e0 [ 411.252798] kmem_cache_alloc_node+0xe3/0x730 [ 411.257295] ? ipv6_get_ifaddr+0x42e/0x620 [ 411.261540] __alloc_skb+0x119/0x770 [ 411.265254] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 411.270536] ? netdev_alloc_frag+0x1f0/0x1f0 [ 411.274948] ? lock_downgrade+0x900/0x900 [ 411.279107] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.284643] ? refcount_sub_and_test_checked+0x203/0x310 [ 411.290097] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 411.295604] ? addrconf_rs_timer+0x690/0x690 [ 411.300023] ndisc_alloc_skb+0x144/0x340 [ 411.304126] ndisc_send_rs+0x331/0x6e0 [ 411.308019] addrconf_rs_timer+0x314/0x690 [ 411.312267] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 411.316510] call_timer_fn+0x272/0x920 [ 411.320408] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 411.324643] ? process_timeout+0x40/0x40 [ 411.328712] ? mark_held_locks+0xc7/0x130 [ 411.332980] ? _raw_spin_unlock_irq+0x27/0x80 [ 411.337477] ? _raw_spin_unlock_irq+0x27/0x80 [ 411.341987] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 411.346232] ? lockdep_hardirqs_on+0x296/0x5b0 [ 411.350816] ? trace_hardirqs_on+0xbd/0x310 [ 411.355136] ? kasan_check_read+0x11/0x20 [ 411.359286] ? __run_timers+0x7da/0xc70 [ 411.363277] ? trace_hardirqs_off_caller+0x310/0x310 [ 411.368383] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 411.372631] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 411.376866] __run_timers+0x7e5/0xc70 [ 411.380693] ? timer_fixup_init+0x70/0x70 [ 411.384874] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 411.389894] ? zap_class+0x640/0x640 [ 411.393618] ? print_usage_bug+0xc0/0xc0 [ 411.397682] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 411.402881] ? find_held_lock+0x36/0x1c0 [ 411.406951] ? zap_class+0x640/0x640 [ 411.410673] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.416229] ? check_preemption_disabled+0x48/0x280 [ 411.421258] ? __lock_is_held+0xb5/0x140 [ 411.425353] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.430898] ? check_preemption_disabled+0x48/0x280 [ 411.435919] run_timer_softirq+0x52/0xb0 [ 411.439993] ? rcu_read_lock_sched_held+0x14f/0x180 [ 411.445012] __do_softirq+0x308/0xb7e [ 411.448825] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 411.453337] ? lock_downgrade+0x900/0x900 [ 411.457491] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 411.462614] ? pvclock_read_flags+0x160/0x160 [ 411.467115] ? lapic_next_event+0x5a/0x90 [ 411.471264] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.476846] ? kvm_clock_read+0x18/0x30 [ 411.480818] ? kvm_sched_clock_read+0x9/0x20 [ 411.485234] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 411.490788] ? check_preemption_disabled+0x48/0x280 [ 411.495835] irq_exit+0x17f/0x1c0 [ 411.499286] smp_apic_timer_interrupt+0x1cb/0x760 [ 411.504130] ? smp_reschedule_interrupt+0x109/0x650 [ 411.509153] ? smp_call_function_single_interrupt+0x650/0x650 [ 411.515046] ? interrupt_entry+0xb5/0xc0 [ 411.519116] ? trace_hardirqs_off_caller+0xbb/0x310 [ 411.524131] ? trace_hardirqs_off_caller+0xbb/0x310 [ 411.529149] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 411.534019] ? trace_hardirqs_on_caller+0x310/0x310 [ 411.539064] ? trace_hardirqs_on_caller+0x310/0x310 [ 411.544099] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 411.548966] apic_timer_interrupt+0xf/0x20 [ 411.553193] [ 411.555440] RIP: 0010:dump_stack+0x358/0x39d [ 411.559860] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 f1 36 ed f9 48 83 3d f9 27 7c 01 00 0f 84 63 fe ff ff e8 6e b7 a9 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b b7 a9 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 411.578759] RSP: 0000:ffff8881bb40e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 411.586471] RAX: ffff8881c2208180 RBX: 1ffffffff12a3f6e RCX: 1ffff1103844114e [ 411.593737] RDX: 0000000000000000 RSI: ffffffff87d5d382 RDI: 0000000000000293 [ 411.601004] RBP: ffff8881bb40e290 R08: ffff8881c2208a70 R09: 0000000000000006 [ 411.608275] R10: 0000000000000000 R11: ffff8881c2208180 R12: 1ffff11037681c45 [ 411.615540] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 411.622826] ? dump_stack+0x34f/0x39d [ 411.626639] ? dump_stack_print_info.cold.1+0x20/0x20 [ 411.631861] ? mark_held_locks+0x130/0x130 [ 411.636094] ? mark_held_locks+0x130/0x130 [ 411.640333] dump_header+0x27b/0xf72 [ 411.644069] ? pagefault_out_of_memory+0x197/0x197 [ 411.649011] ? __lock_acquire+0x62f/0x4c20 [ 411.653255] ? percpu_ref_get_many+0x240/0x240 [ 411.657841] ? print_usage_bug+0xc0/0xc0 [ 411.661924] ? zap_class+0x640/0x640 [ 411.665643] ? print_usage_bug+0xc0/0xc0 [ 411.669705] ? print_usage_bug+0xc0/0xc0 [ 411.673766] ? zap_class+0x640/0x640 [ 411.677488] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.683067] ? find_held_lock+0x36/0x1c0 [ 411.687144] ? mark_held_locks+0xc7/0x130 [ 411.691306] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 411.696431] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 411.701538] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 411.706124] ? trace_hardirqs_on+0xbd/0x310 [ 411.710445] ? kasan_check_read+0x11/0x20 [ 411.714596] ? ___ratelimit+0x3b4/0x672 [ 411.718575] ? trace_hardirqs_off_caller+0x310/0x310 [ 411.723678] ? trace_hardirqs_on+0x310/0x310 [ 411.728100] ? lock_downgrade+0x900/0x900 [ 411.732286] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 411.737389] ? ___ratelimit+0x3b9/0x672 [ 411.741369] ? idr_get_free+0xf70/0xf70 [ 411.745347] ? find_held_lock+0x36/0x1c0 [ 411.749422] oom_kill_process.cold.27+0x10/0x903 [ 411.754178] ? zap_class+0x640/0x640 [ 411.757893] ? check_preemption_disabled+0x48/0x280 [ 411.762933] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 411.767862] ? kasan_check_read+0x11/0x20 [ 411.772008] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 411.777300] ? oom_evaluate_task+0x540/0x540 [ 411.781716] ? find_held_lock+0x36/0x1c0 [ 411.785789] ? out_of_memory+0x974/0x1430 [ 411.789943] ? lock_downgrade+0x900/0x900 [ 411.794111] ? check_preemption_disabled+0x48/0x280 [ 411.799149] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 411.804458] ? kasan_check_read+0x11/0x20 [ 411.808609] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 411.813913] ? rcu_softirq_qs+0x20/0x20 [ 411.817932] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 411.823465] ? oom_evaluate_task+0x302/0x540 [ 411.827878] out_of_memory+0xa84/0x1430 [ 411.831864] ? oom_killer_disable+0x3a0/0x3a0 [ 411.836359] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 411.841295] ? __ww_mutex_check_waiters+0x160/0x160 [ 411.846325] __alloc_pages_slowpath+0x232c/0x2de0 [ 411.851198] ? warn_alloc+0x120/0x120 [ 411.855001] ? mark_held_locks+0x130/0x130 [ 411.859241] ? find_get_entry+0xaae/0x1120 [ 411.863489] ? filemap_map_pages+0x1a20/0x1a20 [ 411.868075] ? zap_class+0x640/0x640 [ 411.871794] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.877331] ? check_preemption_disabled+0x48/0x280 [ 411.882365] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 411.887937] ? should_fail+0x22d/0xd01 [ 411.891830] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 411.896932] ? zap_class+0x640/0x640 [ 411.900670] ? __lock_is_held+0xb5/0x140 [ 411.904742] ? mark_held_locks+0x130/0x130 [ 411.908994] ? lock_release+0xa00/0xa00 [ 411.912973] ? perf_trace_sched_process_exec+0x860/0x860 [ 411.918440] ? xa_load+0x2ba/0x460 [ 411.921990] ? lock_downgrade+0x900/0x900 [ 411.926140] ? __might_sleep+0x95/0x190 [ 411.930133] __alloc_pages_nodemask+0xad8/0xea0 [ 411.934814] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 411.939844] ? __page_cache_alloc+0x191/0x5c0 [ 411.944338] ? xa_load+0x2e1/0x460 [ 411.947879] ? xa_clear_mark+0x40/0x40 [ 411.951766] ? zap_class+0x640/0x640 [ 411.955491] ? zap_class+0x640/0x640 [ 411.959203] ? zap_class+0x640/0x640 [ 411.962916] ? __do_page_cache_readahead+0x663/0x810 [ 411.968050] ? find_held_lock+0x36/0x1c0 [ 411.972124] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 411.977668] alloc_pages_current+0x173/0x350 [ 411.982096] __page_cache_alloc+0x38c/0x5c0 [ 411.986437] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 411.991368] ? kasan_check_read+0x11/0x20 [ 411.995521] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 412.000799] ? generic_perform_write+0x6a0/0x6a0 [ 412.005556] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 412.011116] ? check_preemption_disabled+0x48/0x280 [ 412.016170] filemap_fault+0x1595/0x25f0 [ 412.020258] ? __lock_page_or_retry+0xa00/0xa00 [ 412.024929] ? mark_held_locks+0x130/0x130 [ 412.029175] ? filemap_map_pages+0xd6b/0x1a20 [ 412.033671] ? lock_downgrade+0x900/0x900 [ 412.037819] ? check_preemption_disabled+0x48/0x280 [ 412.042835] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 412.047759] ? kasan_check_read+0x11/0x20 [ 412.051918] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 412.057196] ? rcu_softirq_qs+0x20/0x20 [ 412.061182] ? filemap_map_pages+0xd92/0x1a20 [ 412.065694] ? find_get_entries_tag+0x1400/0x1400 [ 412.070541] ? debug_object_destroy+0x2b0/0x2b0 [ 412.075213] ? lock_pi_update_atomic+0x150/0x150 [ 412.079970] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.085519] ? lock_acquire+0x1ed/0x520 [ 412.089504] ? ext4_filemap_fault+0x7a/0xad [ 412.093830] ? lock_release+0xa00/0xa00 [ 412.097805] ? perf_trace_sched_process_exec+0x860/0x860 [ 412.103254] ? print_usage_bug+0xc0/0xc0 [ 412.107322] ? print_usage_bug+0xc0/0xc0 [ 412.111389] ? down_read+0x8d/0x120 [ 412.115043] ? ext4_filemap_fault+0x7a/0xad [ 412.119365] ? __down_interruptible+0x700/0x700 [ 412.124047] ext4_filemap_fault+0x82/0xad [ 412.128197] __do_fault+0x100/0x6b0 [ 412.131823] ? find_held_lock+0x36/0x1c0 [ 412.135889] ? pmd_devmap_trans_unstable+0x220/0x220 [ 412.140991] ? mark_held_locks+0x130/0x130 [ 412.145226] ? mark_held_locks+0x130/0x130 [ 412.149464] ? debug_smp_processor_id+0x1c/0x20 [ 412.154146] ? perf_trace_lock+0x14d/0x7a0 [ 412.158409] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 412.163954] __handle_mm_fault+0x3ea0/0x5be0 [ 412.168374] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 412.173221] ? lock_is_held_type+0x210/0x210 [ 412.177638] ? __switch_to_asm+0x34/0x70 [ 412.181700] ? __switch_to_asm+0x34/0x70 [ 412.185771] ? zap_class+0x640/0x640 [ 412.189485] ? zap_class+0x640/0x640 [ 412.193194] ? __x64_sys_futex+0x53e/0x6a0 [ 412.197436] ? find_held_lock+0x36/0x1c0 [ 412.201503] ? handle_mm_fault+0x42a/0xc70 [ 412.205739] ? lock_downgrade+0x900/0x900 [ 412.209882] ? check_preemption_disabled+0x48/0x280 [ 412.214902] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 412.219829] ? kasan_check_read+0x11/0x20 [ 412.223988] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 412.229300] ? rcu_softirq_qs+0x20/0x20 [ 412.233272] ? trace_hardirqs_off_caller+0x310/0x310 [ 412.238391] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 412.243946] ? check_preemption_disabled+0x48/0x280 [ 412.248975] handle_mm_fault+0x54f/0xc70 [ 412.253064] ? __handle_mm_fault+0x5be0/0x5be0 [ 412.257652] ? find_vma+0x34/0x190 [ 412.261207] __do_page_fault+0x5e8/0xe60 [ 412.265268] ? trace_hardirqs_off+0xb8/0x310 [ 412.269686] do_page_fault+0xf2/0x7e0 [ 412.273505] ? vmalloc_sync_all+0x30/0x30 [ 412.277658] ? error_entry+0x70/0xd0 [ 412.281375] ? trace_hardirqs_off_caller+0xbb/0x310 [ 412.286460] ? trace_hardirqs_on_caller+0xc0/0x310 [ 412.291393] ? syscall_return_slowpath+0x5e0/0x5e0 [ 412.296343] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 412.301219] ? trace_hardirqs_on_caller+0x310/0x310 [ 412.306235] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 412.311792] ? prepare_exit_to_usermode+0x291/0x3b0 [ 412.316808] ? page_fault+0x8/0x30 [ 412.320354] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 412.325198] ? page_fault+0x8/0x30 [ 412.328741] page_fault+0x1e/0x30 [ 412.332205] RIP: 0033:0x45ddf3 [ 412.335417] Code: Bad RIP value. [ 412.338781] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 412.344177] RAX: ffffffffffffff92 RBX: 0000000028898d51 RCX: 000000000045ddf3 [ 412.351442] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014f1120 [ 412.358711] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 412.365978] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 412.373243] R13: 000000c42841fe60 R14: 0000000000000001 R15: 0000000000000000 [ 412.380529] warn_alloc_show_mem: 1 callbacks suppressed [ 412.380541] CPU: 1 PID: 16798 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #167 [ 412.380543] Mem-Info: [ 412.380575] active_anon:45985 inactive_anon:296 isolated_anon:0 [ 412.380575] active_file:15 inactive_file:8 isolated_file:0 [ 412.380575] unevictable:0 dirty:0 writeback:0 unstable:0 [ 412.380575] slab_reclaimable:9236 slab_unreclaimable:1461135 [ 412.380575] mapped:40979 shmem:353 pagetables:587 bounce:0 [ 412.380575] free:13771 free_pcp:249 free_cma:0 [ 412.385909] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 412.393279] Node 0 active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1412kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 412.395680] Call Trace: [ 412.428471] 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 [ 412.437829] [ 412.465503] lowmem_reserve[]: 0 2818 6321 6321 [ 412.468095] dump_stack+0x244/0x39d [ 412.494188] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:404kB local_pcp:156kB free_cma:0kB [ 412.496348] ? dump_stack_print_info.cold.1+0x20/0x20 [ 412.500899] lowmem_reserve[]: 0 0 3503 3503 [ 412.504549] warn_alloc.cold.116+0xb7/0x1bd [ 412.532059] Node 0 Normal free:14000kB min:37364kB low:46704kB high:56044kB active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2348kB bounce:0kB free_pcp:592kB local_pcp:388kB free_cma:0kB [ 412.537262] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 412.541557] lowmem_reserve[]: 0 0 0 0 [ 412.545913] ? lock_downgrade+0x900/0x900 [ 412.574910] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 412.579766] ? trace_hardirqs_off+0xb8/0x310 [ 412.583537] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 2*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 412.587692] ? trace_hardirqs_off+0xb8/0x310 [ 412.601193] Node 0 Normal: 794*4kB (MEH) 441*8kB (UMEH) 176*16kB (UME) 69*32kB (UMEH) 18*64kB (UM) 1*128kB (U) 2*256kB (U) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14032kB [ 412.605611] __alloc_pages_slowpath+0x2651/0x2de0 [ 412.620683] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 412.625124] ? warn_alloc+0x120/0x120 [ 412.640523] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 412.645368] ? print_usage_bug+0xc0/0xc0 [ 412.654178] 376 total pagecache pages [ 412.657995] ? warn_alloc+0x120/0x120 [ 412.666575] 0 pages in swap cache [ 412.670665] ? warn_alloc+0x120/0x120 [ 412.674438] Swap cache stats: add 0, delete 0, find 0/0 [ 412.674447] Free swap = 0kB [ 412.678245] ? print_usage_bug+0xc0/0xc0 [ 412.681668] Total swap = 0kB [ 412.685463] ? kvm_clock_read+0x18/0x30 [ 412.690826] 1965979 pages RAM [ 412.693873] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 412.697895] 0 pages HighMem/MovableOnly [ 412.697907] 342854 pages reserved [ 412.700931] ? print_usage_bug+0xc0/0xc0 [ 412.704917] 0 pages cma reserved [ 412.708027] ? __lock_acquire+0x62f/0x4c20 [ 412.713111] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 412.717024] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 412.720535] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 412.724506] ? should_fail+0x22d/0xd01 [ 412.727851] syz-fuzzer cpuset=/ mems_allowed=0 [ 412.732081] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 412.768028] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 412.773198] ? __lock_acquire+0x62f/0x4c20 [ 412.777451] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 412.782561] ? __lock_acquire+0x62f/0x4c20 [ 412.786802] ? should_fail+0x22d/0xd01 [ 412.790694] ? rcu_irq_exit+0x1a2/0x390 [ 412.794683] ? mark_held_locks+0x130/0x130 [ 412.798931] ? mark_held_locks+0x130/0x130 [ 412.803184] ? mark_held_locks+0xc7/0x130 [ 412.807339] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 412.812359] ? zap_class+0x640/0x640 [ 412.816080] ? print_usage_bug+0xc0/0xc0 [ 412.820153] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.825699] ? check_preemption_disabled+0x48/0x280 [ 412.830754] ? __lock_is_held+0xb5/0x140 [ 412.834833] __alloc_pages_nodemask+0xad8/0xea0 [ 412.839514] ? zap_class+0x640/0x640 [ 412.843238] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 412.848273] ? find_held_lock+0x36/0x1c0 [ 412.852351] ? ____cache_alloc_node+0x1c7/0x1e0 [ 412.857031] ? lock_downgrade+0x900/0x900 [ 412.861202] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.866756] cache_grow_begin+0xa5/0x8c0 [ 412.870825] ? do_raw_spin_unlock+0xa7/0x330 [ 412.875246] fallback_alloc+0x204/0x2e0 [ 412.879229] ____cache_alloc_node+0x1c7/0x1e0 [ 412.883732] kmem_cache_alloc_node+0xe3/0x730 [ 412.888236] ? ipv6_get_ifaddr+0x42e/0x620 [ 412.892482] __alloc_skb+0x119/0x770 [ 412.896202] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 412.901491] ? netdev_alloc_frag+0x1f0/0x1f0 [ 412.905928] ? lock_downgrade+0x900/0x900 [ 412.910091] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.915634] ? refcount_sub_and_test_checked+0x203/0x310 [ 412.921097] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 412.926561] ? addrconf_rs_timer+0x690/0x690 [ 412.930996] ndisc_alloc_skb+0x144/0x340 [ 412.935082] ndisc_send_rs+0x331/0x6e0 [ 412.938982] addrconf_rs_timer+0x314/0x690 [ 412.943233] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 412.947488] call_timer_fn+0x272/0x920 [ 412.951381] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 412.955620] ? process_timeout+0x40/0x40 [ 412.959695] ? __run_timers+0x7da/0xc70 [ 412.963675] ? _raw_spin_unlock_irq+0x27/0x80 [ 412.968179] ? _raw_spin_unlock_irq+0x27/0x80 [ 412.972680] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 412.976926] ? lockdep_hardirqs_on+0x296/0x5b0 [ 412.981515] ? trace_hardirqs_on+0xbd/0x310 [ 412.985843] ? kasan_check_read+0x11/0x20 [ 412.989995] ? __run_timers+0x7da/0xc70 [ 412.993981] ? trace_hardirqs_off_caller+0x310/0x310 [ 412.999099] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 413.003347] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 413.007583] __run_timers+0x7e5/0xc70 [ 413.011398] ? timer_fixup_init+0x70/0x70 [ 413.015558] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 413.020581] ? zap_class+0x640/0x640 [ 413.024305] ? enqueue_hrtimer+0x1a5/0x560 [ 413.028549] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 413.033757] ? find_held_lock+0x36/0x1c0 [ 413.037831] ? zap_class+0x640/0x640 [ 413.041553] ? pvclock_read_flags+0x160/0x160 [ 413.046064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.051657] ? check_preemption_disabled+0x48/0x280 [ 413.056694] ? __lock_is_held+0xb5/0x140 [ 413.060761] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.066315] ? check_preemption_disabled+0x48/0x280 [ 413.071340] run_timer_softirq+0x52/0xb0 [ 413.075412] ? rcu_read_lock_sched_held+0x14f/0x180 [ 413.080431] __do_softirq+0x308/0xb7e [ 413.084238] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 413.088739] ? lock_downgrade+0x900/0x900 [ 413.092905] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 413.098025] ? pvclock_read_flags+0x160/0x160 [ 413.102554] ? lapic_next_event+0x5a/0x90 [ 413.106752] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.112299] ? kvm_clock_read+0x18/0x30 [ 413.116296] ? kvm_sched_clock_read+0x9/0x20 [ 413.120714] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.126264] ? check_preemption_disabled+0x48/0x280 [ 413.131293] irq_exit+0x17f/0x1c0 [ 413.134750] smp_apic_timer_interrupt+0x1cb/0x760 [ 413.139597] ? smp_reschedule_interrupt+0x109/0x650 [ 413.144622] ? smp_call_function_single_interrupt+0x650/0x650 [ 413.150512] ? interrupt_entry+0xb5/0xc0 [ 413.154580] ? trace_hardirqs_off_caller+0xbb/0x310 [ 413.159603] ? trace_hardirqs_off_caller+0xbb/0x310 [ 413.164628] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 413.169477] ? trace_hardirqs_on_caller+0x310/0x310 [ 413.174501] ? trace_hardirqs_on_caller+0x310/0x310 [ 413.179635] ? task_prio+0x50/0x50 [ 413.183185] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.188732] ? check_preemption_disabled+0x48/0x280 [ 413.193761] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 413.198621] apic_timer_interrupt+0xf/0x20 [ 413.202854] [ 413.205107] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 413.210049] Code: 7e 0f 85 cf fe ff ff e8 66 cb 3d ff e9 c5 fe ff ff e8 0d 01 c3 ff 48 83 3d a5 49 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 42 f3 [ 413.228958] RSP: 0018:ffff888195497718 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 413.236681] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 413.243964] RDX: 0000000000000000 RSI: ffff8881d2488b40 RDI: 0000000000000282 [ 413.251247] RBP: ffff888195497780 R08: ffff8881d24882c0 R09: 0000000000000000 [ 413.258537] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 413.265819] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020 [ 413.273165] skb_clone+0x1bb/0x500 [ 413.276719] ? skb_split+0x11e0/0x11e0 [ 413.280637] ? check_preemption_disabled+0x48/0x280 [ 413.285685] ? __this_cpu_preempt_check+0x1c/0x20 [ 413.290535] ? __bpf_redirect+0x55b/0xb60 [ 413.294688] ? __switch_to_asm+0x34/0x70 [ 413.298754] ? __switch_to_asm+0x40/0x70 [ 413.302828] bpf_clone_redirect+0xb9/0x490 [ 413.307092] bpf_prog_3d1649e183dc2cc1+0xaf9/0x1000 [ 413.312126] ? __sched_text_start+0x8/0x8 [ 413.316298] ? find_held_lock+0x36/0x1c0 [ 413.320371] ? lock_acquire+0x1ed/0x520 [ 413.324350] ? bpf_test_run+0x3cb/0x780 [ 413.328330] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.333913] ? check_preemption_disabled+0x48/0x280 [ 413.338965] ? kasan_check_read+0x11/0x20 [ 413.343115] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 413.348394] ? rcu_softirq_qs+0x20/0x20 [ 413.352373] ? preempt_schedule+0x4d/0x60 [ 413.356522] ? ___preempt_schedule+0x16/0x18 [ 413.360940] ? bpf_test_run+0x25d/0x780 [ 413.364932] ? netlink_diag_dump+0x2a0/0x2a0 [ 413.369363] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 413.374935] ? bpf_test_init.isra.10+0x70/0x100 [ 413.379611] ? bpf_prog_test_run_skb+0x73b/0xd10 [ 413.384383] ? bpf_test_finish.isra.9+0x260/0x260 [ 413.389224] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 413.394765] ? fput+0x130/0x1a0 [ 413.398059] ? __bpf_prog_get+0x9b/0x290 [ 413.402130] ? bpf_test_finish.isra.9+0x260/0x260 [ 413.406973] ? bpf_prog_test_run+0x130/0x1a0 [ 413.411388] ? __x64_sys_bpf+0x3db/0x520 [ 413.415452] ? bpf_prog_get+0x20/0x20 [ 413.419276] ? do_syscall_64+0x1b9/0x820 [ 413.423338] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 413.428706] ? syscall_return_slowpath+0x5e0/0x5e0 [ 413.433636] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 413.438480] ? trace_hardirqs_on_caller+0x310/0x310 [ 413.443503] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 413.448523] ? prepare_exit_to_usermode+0x291/0x3b0 [ 413.453545] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 413.458395] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 413.463780] CPU: 0 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #167 [ 413.463864] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 413.470794] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 413.470799] Call Trace: [ 413.470805] [ 413.470823] dump_stack+0x244/0x39d [ 413.470843] ? dump_stack_print_info.cold.1+0x20/0x20 [ 413.470869] warn_alloc.cold.116+0xb7/0x1bd [ 413.477389] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 413.486682] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 413.489245] syz-executor0 cpuset=syz0 mems_allowed=0 [ 413.491389] ? lock_downgrade+0x900/0x900 [ 413.529019] ? trace_hardirqs_off+0xb8/0x310 [ 413.533444] ? trace_hardirqs_off+0xb8/0x310 [ 413.537861] __alloc_pages_slowpath+0x2651/0x2de0 [ 413.542736] ? warn_alloc+0x120/0x120 [ 413.546538] ? print_usage_bug+0xc0/0xc0 [ 413.550600] ? warn_alloc+0x120/0x120 [ 413.554436] ? warn_alloc+0x120/0x120 [ 413.558252] ? print_usage_bug+0xc0/0xc0 [ 413.562312] ? kvm_clock_read+0x18/0x30 [ 413.566292] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 413.571311] ? print_usage_bug+0xc0/0xc0 [ 413.575373] ? __lock_acquire+0x62f/0x4c20 [ 413.579616] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 413.585155] ? should_fail+0x22d/0xd01 [ 413.589068] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 413.594347] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 413.599450] ? __lock_acquire+0x62f/0x4c20 [ 413.603691] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 413.608808] ? __lock_acquire+0x62f/0x4c20 [ 413.613068] ? should_fail+0x22d/0xd01 [ 413.616953] ? rcu_irq_exit+0x1a2/0x390 [ 413.620936] ? mark_held_locks+0x130/0x130 [ 413.625189] ? mark_held_locks+0x130/0x130 [ 413.629448] ? mark_held_locks+0xc7/0x130 [ 413.633598] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 413.638614] ? zap_class+0x640/0x640 [ 413.642332] ? print_usage_bug+0xc0/0xc0 [ 413.646395] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.651938] ? check_preemption_disabled+0x48/0x280 [ 413.656965] ? __lock_is_held+0xb5/0x140 [ 413.661034] __alloc_pages_nodemask+0xad8/0xea0 [ 413.665714] ? zap_class+0x640/0x640 [ 413.669435] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 413.674462] ? find_held_lock+0x36/0x1c0 [ 413.678534] ? ____cache_alloc_node+0x1c7/0x1e0 [ 413.683206] ? lock_downgrade+0x900/0x900 [ 413.687363] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.692903] cache_grow_begin+0xa5/0x8c0 [ 413.696963] ? do_raw_spin_unlock+0xa7/0x330 [ 413.701377] fallback_alloc+0x204/0x2e0 [ 413.705365] ____cache_alloc_node+0x1c7/0x1e0 [ 413.709864] kmem_cache_alloc_node+0xe3/0x730 [ 413.714364] ? ipv6_get_ifaddr+0x42e/0x620 [ 413.718613] __alloc_skb+0x119/0x770 [ 413.722328] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 413.727612] ? netdev_alloc_frag+0x1f0/0x1f0 [ 413.732019] ? lock_downgrade+0x900/0x900 [ 413.736183] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.741720] ? refcount_sub_and_test_checked+0x203/0x310 [ 413.747174] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 413.752625] ? addrconf_rs_timer+0x690/0x690 [ 413.757076] ndisc_alloc_skb+0x144/0x340 [ 413.761147] ndisc_send_rs+0x331/0x6e0 [ 413.765050] addrconf_rs_timer+0x314/0x690 [ 413.769292] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 413.773539] call_timer_fn+0x272/0x920 [ 413.777430] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 413.781664] ? process_timeout+0x40/0x40 [ 413.785736] ? mark_held_locks+0xc7/0x130 [ 413.789888] ? _raw_spin_unlock_irq+0x27/0x80 [ 413.794382] ? _raw_spin_unlock_irq+0x27/0x80 [ 413.798878] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 413.803118] ? lockdep_hardirqs_on+0x296/0x5b0 [ 413.807706] ? trace_hardirqs_on+0xbd/0x310 [ 413.812050] ? kasan_check_read+0x11/0x20 [ 413.816193] ? __run_timers+0x7da/0xc70 [ 413.820174] ? trace_hardirqs_off_caller+0x310/0x310 [ 413.825285] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 413.829556] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 413.833804] __run_timers+0x7e5/0xc70 [ 413.837613] ? timer_fixup_init+0x70/0x70 [ 413.841772] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 413.846791] ? zap_class+0x640/0x640 [ 413.850513] ? print_usage_bug+0xc0/0xc0 [ 413.854581] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 413.859797] ? find_held_lock+0x36/0x1c0 [ 413.863879] ? zap_class+0x640/0x640 [ 413.867612] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.873157] ? check_preemption_disabled+0x48/0x280 [ 413.878271] ? __lock_is_held+0xb5/0x140 [ 413.882336] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.887876] ? check_preemption_disabled+0x48/0x280 [ 413.892897] run_timer_softirq+0x52/0xb0 [ 413.896964] ? rcu_read_lock_sched_held+0x14f/0x180 [ 413.901982] __do_softirq+0x308/0xb7e [ 413.905787] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 413.910283] ? lock_downgrade+0x900/0x900 [ 413.914437] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 413.919547] ? pvclock_read_flags+0x160/0x160 [ 413.924057] ? lapic_next_event+0x5a/0x90 [ 413.928209] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.933750] ? kvm_clock_read+0x18/0x30 [ 413.937794] ? kvm_sched_clock_read+0x9/0x20 [ 413.942215] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 413.947753] ? check_preemption_disabled+0x48/0x280 [ 413.952778] irq_exit+0x17f/0x1c0 [ 413.956232] smp_apic_timer_interrupt+0x1cb/0x760 [ 413.961079] ? smp_reschedule_interrupt+0x109/0x650 [ 413.966098] ? smp_call_function_single_interrupt+0x650/0x650 [ 413.971988] ? interrupt_entry+0xb5/0xc0 [ 413.976057] ? trace_hardirqs_off_caller+0xbb/0x310 [ 413.981071] ? trace_hardirqs_off_caller+0xbb/0x310 [ 413.986119] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 413.990965] ? trace_hardirqs_on_caller+0x310/0x310 [ 413.995979] ? trace_hardirqs_on_caller+0x310/0x310 [ 414.001057] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 414.005906] apic_timer_interrupt+0xf/0x20 [ 414.010136] [ 414.012375] RIP: 0010:dump_stack+0x358/0x39d [ 414.016788] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 f1 36 ed f9 48 83 3d f9 27 7c 01 00 0f 84 63 fe ff ff e8 6e b7 a9 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b b7 a9 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 414.035688] RSP: 0000:ffff8881bb40e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 414.043393] RAX: ffff8881c2208180 RBX: 1ffffffff12a3f6e RCX: 1ffff1103844114e [ 414.050664] RDX: 0000000000000000 RSI: ffffffff87d5d382 RDI: 0000000000000293 [ 414.057933] RBP: ffff8881bb40e290 R08: ffff8881c2208a70 R09: 0000000000000006 [ 414.065200] R10: 0000000000000000 R11: ffff8881c2208180 R12: 1ffff11037681c45 [ 414.072467] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 414.079760] ? dump_stack+0x34f/0x39d [ 414.083578] ? dump_stack_print_info.cold.1+0x20/0x20 [ 414.088771] ? mark_held_locks+0x130/0x130 [ 414.093010] ? mark_held_locks+0x130/0x130 [ 414.097287] dump_header+0x27b/0xf72 [ 414.101032] ? pagefault_out_of_memory+0x197/0x197 [ 414.105977] ? __lock_acquire+0x62f/0x4c20 [ 414.110222] ? percpu_ref_get_many+0x240/0x240 [ 414.114826] ? print_usage_bug+0xc0/0xc0 [ 414.118894] ? zap_class+0x640/0x640 [ 414.122612] ? print_usage_bug+0xc0/0xc0 [ 414.126673] ? print_usage_bug+0xc0/0xc0 [ 414.130769] ? zap_class+0x640/0x640 [ 414.134505] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.140060] ? find_held_lock+0x36/0x1c0 [ 414.144134] ? mark_held_locks+0xc7/0x130 [ 414.148283] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 414.153387] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 414.158496] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 414.163112] ? trace_hardirqs_on+0xbd/0x310 [ 414.167447] ? kasan_check_read+0x11/0x20 [ 414.171598] ? ___ratelimit+0x3b4/0x672 [ 414.175578] ? trace_hardirqs_off_caller+0x310/0x310 [ 414.180681] ? trace_hardirqs_on+0x310/0x310 [ 414.185091] ? lock_downgrade+0x900/0x900 [ 414.189243] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 414.194344] ? ___ratelimit+0x3b9/0x672 [ 414.198320] ? idr_get_free+0xf70/0xf70 [ 414.202292] ? find_held_lock+0x36/0x1c0 [ 414.206361] oom_kill_process.cold.27+0x10/0x903 [ 414.211116] ? zap_class+0x640/0x640 [ 414.214831] ? check_preemption_disabled+0x48/0x280 [ 414.219849] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 414.224783] ? kasan_check_read+0x11/0x20 [ 414.228960] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 414.234236] ? oom_evaluate_task+0x540/0x540 [ 414.238646] ? find_held_lock+0x36/0x1c0 [ 414.242713] ? out_of_memory+0x974/0x1430 [ 414.246864] ? lock_downgrade+0x900/0x900 [ 414.251010] ? check_preemption_disabled+0x48/0x280 [ 414.256047] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 414.260978] ? kasan_check_read+0x11/0x20 [ 414.265129] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 414.270410] ? rcu_softirq_qs+0x20/0x20 [ 414.274416] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.279988] ? oom_evaluate_task+0x302/0x540 [ 414.284399] out_of_memory+0xa84/0x1430 [ 414.288390] ? oom_killer_disable+0x3a0/0x3a0 [ 414.292889] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 414.297828] ? __ww_mutex_check_waiters+0x160/0x160 [ 414.302859] __alloc_pages_slowpath+0x232c/0x2de0 [ 414.307732] ? warn_alloc+0x120/0x120 [ 414.311665] ? mark_held_locks+0x130/0x130 [ 414.315907] ? find_get_entry+0xaae/0x1120 [ 414.320240] ? filemap_map_pages+0x1a20/0x1a20 [ 414.324826] ? zap_class+0x640/0x640 [ 414.328545] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.334083] ? check_preemption_disabled+0x48/0x280 [ 414.339131] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.344666] ? should_fail+0x22d/0xd01 [ 414.348560] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 414.353669] ? zap_class+0x640/0x640 [ 414.357461] ? __lock_is_held+0xb5/0x140 [ 414.361575] ? mark_held_locks+0x130/0x130 [ 414.365828] ? lock_release+0xa00/0xa00 [ 414.369852] ? perf_trace_sched_process_exec+0x860/0x860 [ 414.375302] ? xa_load+0x2ba/0x460 [ 414.378847] ? lock_downgrade+0x900/0x900 [ 414.383001] ? __might_sleep+0x95/0x190 [ 414.386978] __alloc_pages_nodemask+0xad8/0xea0 [ 414.391671] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 414.396685] ? __page_cache_alloc+0x191/0x5c0 [ 414.401176] ? xa_load+0x2e1/0x460 [ 414.404716] ? xa_clear_mark+0x40/0x40 [ 414.408606] ? zap_class+0x640/0x640 [ 414.412331] ? zap_class+0x640/0x640 [ 414.416052] ? zap_class+0x640/0x640 [ 414.419768] ? __do_page_cache_readahead+0x663/0x810 [ 414.424908] ? find_held_lock+0x36/0x1c0 [ 414.428976] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 414.434523] alloc_pages_current+0x173/0x350 [ 414.438947] __page_cache_alloc+0x38c/0x5c0 [ 414.443265] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 414.448196] ? kasan_check_read+0x11/0x20 [ 414.452344] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 414.457623] ? generic_perform_write+0x6a0/0x6a0 [ 414.462381] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.467921] ? check_preemption_disabled+0x48/0x280 [ 414.472950] filemap_fault+0x1595/0x25f0 [ 414.477027] ? __lock_page_or_retry+0xa00/0xa00 [ 414.481708] ? mark_held_locks+0x130/0x130 [ 414.485953] ? filemap_map_pages+0xd6b/0x1a20 [ 414.490450] ? lock_downgrade+0x900/0x900 [ 414.494598] ? check_preemption_disabled+0x48/0x280 [ 414.499619] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 414.504551] ? kasan_check_read+0x11/0x20 [ 414.508702] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 414.513980] ? rcu_softirq_qs+0x20/0x20 [ 414.517995] ? filemap_map_pages+0xd92/0x1a20 [ 414.522554] ? find_get_entries_tag+0x1400/0x1400 [ 414.527406] ? debug_object_destroy+0x2b0/0x2b0 [ 414.532080] ? lock_pi_update_atomic+0x150/0x150 [ 414.536864] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.542433] ? lock_acquire+0x1ed/0x520 [ 414.546411] ? ext4_filemap_fault+0x7a/0xad [ 414.550743] ? lock_release+0xa00/0xa00 [ 414.554719] ? perf_trace_sched_process_exec+0x860/0x860 [ 414.560174] ? print_usage_bug+0xc0/0xc0 [ 414.564241] ? print_usage_bug+0xc0/0xc0 [ 414.568320] ? down_read+0x8d/0x120 [ 414.571962] ? ext4_filemap_fault+0x7a/0xad [ 414.576284] ? __down_interruptible+0x700/0x700 [ 414.580968] ext4_filemap_fault+0x82/0xad [ 414.585120] __do_fault+0x100/0x6b0 [ 414.588746] ? find_held_lock+0x36/0x1c0 [ 414.592824] ? pmd_devmap_trans_unstable+0x220/0x220 [ 414.597949] ? mark_held_locks+0x130/0x130 [ 414.602185] ? mark_held_locks+0x130/0x130 [ 414.606428] ? debug_smp_processor_id+0x1c/0x20 [ 414.611096] ? perf_trace_lock+0x14d/0x7a0 [ 414.615382] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.620956] __handle_mm_fault+0x3ea0/0x5be0 [ 414.625374] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 414.630221] ? lock_is_held_type+0x210/0x210 [ 414.634633] ? __switch_to_asm+0x34/0x70 [ 414.638695] ? __switch_to_asm+0x34/0x70 [ 414.642769] ? zap_class+0x640/0x640 [ 414.646485] ? zap_class+0x640/0x640 [ 414.650195] ? __x64_sys_futex+0x53e/0x6a0 [ 414.654439] ? find_held_lock+0x36/0x1c0 [ 414.658513] ? handle_mm_fault+0x42a/0xc70 [ 414.662748] ? lock_downgrade+0x900/0x900 [ 414.666912] ? check_preemption_disabled+0x48/0x280 [ 414.671946] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 414.676889] ? kasan_check_read+0x11/0x20 [ 414.681033] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 414.686329] ? rcu_softirq_qs+0x20/0x20 [ 414.690301] ? trace_hardirqs_off_caller+0x310/0x310 [ 414.695409] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.700949] ? check_preemption_disabled+0x48/0x280 [ 414.705972] handle_mm_fault+0x54f/0xc70 [ 414.710048] ? __handle_mm_fault+0x5be0/0x5be0 [ 414.714638] ? find_vma+0x34/0x190 [ 414.718188] __do_page_fault+0x5e8/0xe60 [ 414.722252] ? trace_hardirqs_off+0xb8/0x310 [ 414.726670] do_page_fault+0xf2/0x7e0 [ 414.730475] ? vmalloc_sync_all+0x30/0x30 [ 414.734637] ? error_entry+0x70/0xd0 [ 414.738353] ? trace_hardirqs_off_caller+0xbb/0x310 [ 414.743368] ? trace_hardirqs_on_caller+0xc0/0x310 [ 414.748299] ? syscall_return_slowpath+0x5e0/0x5e0 [ 414.753261] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 414.758121] ? trace_hardirqs_on_caller+0x310/0x310 [ 414.763140] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 414.768598] ? prepare_exit_to_usermode+0x291/0x3b0 [ 414.773612] ? page_fault+0x8/0x30 [ 414.777159] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 414.782008] ? page_fault+0x8/0x30 [ 414.785562] page_fault+0x1e/0x30 [ 414.789015] RIP: 0033:0x45ddf3 [ 414.792223] Code: Bad RIP value. [ 414.795582] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 414.800947] RAX: ffffffffffffff92 RBX: 0000000028898d51 RCX: 000000000045ddf3 [ 414.808215] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014f1120 [ 414.815482] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 414.822751] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 414.830018] R13: 000000c42841fe60 R14: 0000000000000001 R15: 0000000000000000 [ 414.837320] CPU: 1 PID: 16798 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #167 [ 414.837325] warn_alloc_show_mem: 1 callbacks suppressed [ 414.837332] Mem-Info: [ 414.844694] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 414.850070] active_anon:45985 inactive_anon:296 isolated_anon:0 [ 414.850070] active_file:15 inactive_file:8 isolated_file:0 [ 414.850070] unevictable:0 dirty:0 writeback:0 unstable:0 [ 414.850070] slab_reclaimable:9236 slab_unreclaimable:1461135 [ 414.850070] mapped:40979 shmem:353 pagetables:587 bounce:0 [ 414.850070] free:13771 free_pcp:249 free_cma:0 [ 414.852440] Call Trace: [ 414.861826] Node 0 active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1412kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 414.894582] [ 414.897151] 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 [ 414.924817] dump_stack+0x244/0x39d [ 414.926940] lowmem_reserve[]: 0 2818 6321 6321 [ 414.953066] ? dump_stack_print_info.cold.1+0x20/0x20 [ 414.956683] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:404kB local_pcp:156kB free_cma:0kB [ 414.961266] warn_alloc.cold.116+0xb7/0x1bd [ 414.966426] lowmem_reserve[]: 0 0 3503 3503 [ 414.993927] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 414.998225] Node 0 Normal free:14000kB min:37364kB low:46704kB high:56044kB active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2348kB bounce:0kB free_pcp:592kB local_pcp:388kB free_cma:0kB [ 415.002550] ? lock_downgrade+0x900/0x900 [ 415.007369] lowmem_reserve[]: 0 0 0 0 [ 415.036343] ? trace_hardirqs_off+0xb8/0x310 [ 415.040460] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 415.044257] ? trace_hardirqs_off+0xb8/0x310 [ 415.048639] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 2*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 415.062159] __alloc_pages_slowpath+0x2651/0x2de0 [ 415.066566] Node 0 Normal: 794*4kB (MEH) 441*8kB (UMEH) 176*16kB (UME) 69*32kB (UMEH) 18*64kB (UM) 1*128kB (U) 2*256kB (U) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14032kB [ 415.081667] ? warn_alloc+0x120/0x120 [ 415.086471] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 415.101923] ? print_usage_bug+0xc0/0xc0 [ 415.105698] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 415.114525] ? warn_alloc+0x120/0x120 [ 415.118562] 376 total pagecache pages [ 415.127128] ? warn_alloc+0x120/0x120 [ 415.130914] 0 pages in swap cache [ 415.134702] ? print_usage_bug+0xc0/0xc0 [ 415.138485] Swap cache stats: add 0, delete 0, find 0/0 [ 415.141969] ? print_usage_bug+0xc0/0xc0 [ 415.146021] Free swap = 0kB [ 415.151401] ? __lock_acquire+0x62f/0x4c20 [ 415.155442] Total swap = 0kB [ 415.158460] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 415.162669] 1965979 pages RAM [ 415.165688] ? should_fail+0x22d/0xd01 [ 415.171203] 0 pages HighMem/MovableOnly [ 415.174301] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 415.178161] 342854 pages reserved [ 415.182127] ? __lock_acquire+0x62f/0x4c20 [ 415.187209] 0 pages cma reserved [ 415.190673] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 415.194953] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 415.198269] ? __lock_acquire+0x62f/0x4c20 [ 415.198282] ? should_fail+0x22d/0xd01 [ 415.198295] ? find_held_lock+0x36/0x1c0 [ 415.198316] ? mark_held_locks+0x130/0x130 [ 415.203461] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 415.209883] ? mark_held_locks+0x130/0x130 [ 415.214102] syz-fuzzer cpuset=/ mems_allowed=0 [ 415.217984] ? zap_class+0x640/0x640 [ 415.248948] ? zap_class+0x640/0x640 [ 415.252664] ? print_usage_bug+0xc0/0xc0 [ 415.256722] ? do_raw_spin_unlock+0xa7/0x330 [ 415.261148] ? zap_class+0x640/0x640 [ 415.264864] ? print_usage_bug+0xc0/0xc0 [ 415.268930] ? wq_watchdog_touch+0x9c/0xfe [ 415.273171] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.278713] ? check_preemption_disabled+0x48/0x280 [ 415.283741] ? __lock_is_held+0xb5/0x140 [ 415.287812] __alloc_pages_nodemask+0xad8/0xea0 [ 415.292483] ? zap_class+0x640/0x640 [ 415.296231] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 415.301257] ? find_held_lock+0x36/0x1c0 [ 415.305342] ? ____cache_alloc_node+0x1c7/0x1e0 [ 415.310012] ? lock_downgrade+0x900/0x900 [ 415.314177] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.319719] cache_grow_begin+0xa5/0x8c0 [ 415.323794] ? do_raw_spin_unlock+0xa7/0x330 [ 415.328213] fallback_alloc+0x204/0x2e0 [ 415.332196] ____cache_alloc_node+0x1c7/0x1e0 [ 415.336702] kmem_cache_alloc_node+0xe3/0x730 [ 415.341198] ? ipv6_get_ifaddr+0x42e/0x620 [ 415.345457] __alloc_skb+0x119/0x770 [ 415.349175] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 415.354460] ? netdev_alloc_frag+0x1f0/0x1f0 [ 415.358872] ? lock_downgrade+0x900/0x900 [ 415.363035] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.368583] ? refcount_sub_and_test_checked+0x203/0x310 [ 415.374046] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 415.379502] ? addrconf_rs_timer+0x690/0x690 [ 415.383928] ndisc_alloc_skb+0x144/0x340 [ 415.387998] ndisc_send_rs+0x331/0x6e0 [ 415.391893] addrconf_rs_timer+0x314/0x690 [ 415.396144] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 415.400389] call_timer_fn+0x272/0x920 [ 415.404276] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 415.408510] ? process_timeout+0x40/0x40 [ 415.412577] ? __run_timers+0x7da/0xc70 [ 415.416555] ? _raw_spin_unlock_irq+0x27/0x80 [ 415.421057] ? _raw_spin_unlock_irq+0x27/0x80 [ 415.425557] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 415.429792] ? lockdep_hardirqs_on+0x296/0x5b0 [ 415.434378] ? trace_hardirqs_on+0xbd/0x310 [ 415.438702] ? kasan_check_read+0x11/0x20 [ 415.442847] ? __run_timers+0x7da/0xc70 [ 415.446823] ? trace_hardirqs_off_caller+0x310/0x310 [ 415.451949] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 415.456205] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 415.460437] __run_timers+0x7e5/0xc70 [ 415.464248] ? timer_fixup_init+0x70/0x70 [ 415.468404] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 415.473426] ? zap_class+0x640/0x640 [ 415.477144] ? enqueue_hrtimer+0x1a5/0x560 [ 415.481381] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 415.486579] ? find_held_lock+0x36/0x1c0 [ 415.490691] ? zap_class+0x640/0x640 [ 415.494441] ? pvclock_read_flags+0x160/0x160 [ 415.498944] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.504486] ? check_preemption_disabled+0x48/0x280 [ 415.509515] ? __lock_is_held+0xb5/0x140 [ 415.513580] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.519120] ? check_preemption_disabled+0x48/0x280 [ 415.524179] run_timer_softirq+0x52/0xb0 [ 415.528271] ? rcu_read_lock_sched_held+0x14f/0x180 [ 415.533293] __do_softirq+0x308/0xb7e [ 415.537099] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 415.541593] ? lock_downgrade+0x900/0x900 [ 415.545751] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 415.550863] ? pvclock_read_flags+0x160/0x160 [ 415.555361] ? lapic_next_event+0x5a/0x90 [ 415.559512] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.565073] ? kvm_clock_read+0x18/0x30 [ 415.569057] ? kvm_sched_clock_read+0x9/0x20 [ 415.573472] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.579025] ? check_preemption_disabled+0x48/0x280 [ 415.584065] irq_exit+0x17f/0x1c0 [ 415.587527] smp_apic_timer_interrupt+0x1cb/0x760 [ 415.592375] ? smp_reschedule_interrupt+0x109/0x650 [ 415.597397] ? smp_call_function_single_interrupt+0x650/0x650 [ 415.603279] ? interrupt_entry+0xb5/0xc0 [ 415.607359] ? trace_hardirqs_off_caller+0xbb/0x310 [ 415.612378] ? trace_hardirqs_off_caller+0xbb/0x310 [ 415.617399] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 415.622243] ? trace_hardirqs_on_caller+0x310/0x310 [ 415.627257] ? trace_hardirqs_on_caller+0x310/0x310 [ 415.632277] ? task_prio+0x50/0x50 [ 415.635820] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.641361] ? check_preemption_disabled+0x48/0x280 [ 415.646402] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 415.651251] apic_timer_interrupt+0xf/0x20 [ 415.655478] [ 415.657717] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 415.662647] Code: 7e 0f 85 cf fe ff ff e8 66 cb 3d ff e9 c5 fe ff ff e8 0d 01 c3 ff 48 83 3d a5 49 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 42 f3 [ 415.681544] RSP: 0018:ffff888195497718 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 415.689254] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 415.696526] RDX: 0000000000000000 RSI: ffff8881d2488b40 RDI: 0000000000000282 [ 415.703810] RBP: ffff888195497780 R08: ffff8881d24882c0 R09: 0000000000000000 [ 415.711106] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 415.718370] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020 [ 415.725732] skb_clone+0x1bb/0x500 [ 415.729276] ? skb_split+0x11e0/0x11e0 [ 415.733171] ? check_preemption_disabled+0x48/0x280 [ 415.738199] ? __this_cpu_preempt_check+0x1c/0x20 [ 415.743048] ? __bpf_redirect+0x55b/0xb60 [ 415.747202] ? __switch_to_asm+0x34/0x70 [ 415.751261] ? __switch_to_asm+0x40/0x70 [ 415.755331] bpf_clone_redirect+0xb9/0x490 [ 415.759576] bpf_prog_3d1649e183dc2cc1+0xaf9/0x1000 [ 415.764603] ? __sched_text_start+0x8/0x8 [ 415.768783] ? find_held_lock+0x36/0x1c0 [ 415.772851] ? lock_acquire+0x1ed/0x520 [ 415.776836] ? bpf_test_run+0x3cb/0x780 [ 415.780811] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.786346] ? check_preemption_disabled+0x48/0x280 [ 415.791367] ? kasan_check_read+0x11/0x20 [ 415.795516] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 415.800795] ? rcu_softirq_qs+0x20/0x20 [ 415.804790] ? preempt_schedule+0x4d/0x60 [ 415.808940] ? ___preempt_schedule+0x16/0x18 [ 415.813356] ? bpf_test_run+0x25d/0x780 [ 415.817342] ? netlink_diag_dump+0x2a0/0x2a0 [ 415.821756] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 415.827291] ? bpf_test_init.isra.10+0x70/0x100 [ 415.831966] ? bpf_prog_test_run_skb+0x73b/0xd10 [ 415.836731] ? bpf_test_finish.isra.9+0x260/0x260 [ 415.841571] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 415.847113] ? fput+0x130/0x1a0 [ 415.850397] ? __bpf_prog_get+0x9b/0x290 [ 415.854481] ? bpf_test_finish.isra.9+0x260/0x260 [ 415.859340] ? bpf_prog_test_run+0x130/0x1a0 [ 415.863749] ? __x64_sys_bpf+0x3db/0x520 [ 415.867810] ? bpf_prog_get+0x20/0x20 [ 415.871635] ? do_syscall_64+0x1b9/0x820 [ 415.875692] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 415.881077] ? syscall_return_slowpath+0x5e0/0x5e0 [ 415.886006] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 415.890864] ? trace_hardirqs_on_caller+0x310/0x310 [ 415.895884] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 415.900913] ? prepare_exit_to_usermode+0x291/0x3b0 [ 415.905941] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 415.910796] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 415.916182] CPU: 0 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #167 [ 415.916250] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 415.923199] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 415.923204] Call Trace: [ 415.923211] [ 415.923229] dump_stack+0x244/0x39d [ 415.923252] ? dump_stack_print_info.cold.1+0x20/0x20 [ 415.929870] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 415.939120] warn_alloc.cold.116+0xb7/0x1bd [ 415.941689] syz-executor0 cpuset=syz0 mems_allowed=0 [ 415.943830] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 415.977358] ? lock_downgrade+0x900/0x900 [ 415.981519] ? trace_hardirqs_off+0xb8/0x310 [ 415.985936] ? trace_hardirqs_off+0xb8/0x310 [ 415.990354] __alloc_pages_slowpath+0x2651/0x2de0 [ 415.995252] ? warn_alloc+0x120/0x120 [ 415.999081] ? print_usage_bug+0xc0/0xc0 [ 416.003147] ? warn_alloc+0x120/0x120 [ 416.006955] ? warn_alloc+0x120/0x120 [ 416.010759] ? print_usage_bug+0xc0/0xc0 [ 416.014857] ? print_usage_bug+0xc0/0xc0 [ 416.018938] ? __lock_acquire+0x62f/0x4c20 [ 416.023210] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 416.028747] ? should_fail+0x22d/0xd01 [ 416.032640] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 416.037742] ? __lock_acquire+0x62f/0x4c20 [ 416.041984] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 416.047089] ? __lock_acquire+0x62f/0x4c20 [ 416.051321] ? should_fail+0x22d/0xd01 [ 416.055213] ? find_held_lock+0x36/0x1c0 [ 416.059282] ? mark_held_locks+0x130/0x130 [ 416.063522] ? mark_held_locks+0x130/0x130 [ 416.067757] ? zap_class+0x640/0x640 [ 416.071471] ? zap_class+0x640/0x640 [ 416.075187] ? print_usage_bug+0xc0/0xc0 [ 416.079242] ? do_raw_spin_unlock+0xa7/0x330 [ 416.083656] ? zap_class+0x640/0x640 [ 416.087368] ? print_usage_bug+0xc0/0xc0 [ 416.091438] ? wq_watchdog_touch+0x9c/0xfe [ 416.095678] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.101221] ? check_preemption_disabled+0x48/0x280 [ 416.106245] ? __lock_is_held+0xb5/0x140 [ 416.110319] __alloc_pages_nodemask+0xad8/0xea0 [ 416.114985] ? zap_class+0x640/0x640 [ 416.118708] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 416.123734] ? find_held_lock+0x36/0x1c0 [ 416.127804] ? ____cache_alloc_node+0x1c7/0x1e0 [ 416.132481] ? lock_downgrade+0x900/0x900 [ 416.136641] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.142182] cache_grow_begin+0xa5/0x8c0 [ 416.146247] ? do_raw_spin_unlock+0xa7/0x330 [ 416.150665] fallback_alloc+0x204/0x2e0 [ 416.154661] ____cache_alloc_node+0x1c7/0x1e0 [ 416.159162] kmem_cache_alloc_node+0xe3/0x730 [ 416.163676] ? ipv6_get_ifaddr+0x42e/0x620 [ 416.167919] __alloc_skb+0x119/0x770 [ 416.171635] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 416.176917] ? netdev_alloc_frag+0x1f0/0x1f0 [ 416.181329] ? lock_downgrade+0x900/0x900 [ 416.185483] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.191023] ? refcount_sub_and_test_checked+0x203/0x310 [ 416.196505] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 416.201959] ? addrconf_rs_timer+0x690/0x690 [ 416.206640] ndisc_alloc_skb+0x144/0x340 [ 416.210711] ndisc_send_rs+0x331/0x6e0 [ 416.214622] addrconf_rs_timer+0x314/0x690 [ 416.218862] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 416.223112] call_timer_fn+0x272/0x920 [ 416.226997] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 416.231257] ? process_timeout+0x40/0x40 [ 416.235347] ? mark_held_locks+0xc7/0x130 [ 416.239512] ? _raw_spin_unlock_irq+0x27/0x80 [ 416.244006] ? _raw_spin_unlock_irq+0x27/0x80 [ 416.248507] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 416.252740] ? lockdep_hardirqs_on+0x296/0x5b0 [ 416.257326] ? trace_hardirqs_on+0xbd/0x310 [ 416.261648] ? kasan_check_read+0x11/0x20 [ 416.265797] ? __run_timers+0x7da/0xc70 [ 416.269776] ? trace_hardirqs_off_caller+0x310/0x310 [ 416.274907] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 416.279154] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 416.283387] __run_timers+0x7e5/0xc70 [ 416.287201] ? timer_fixup_init+0x70/0x70 [ 416.291351] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 416.296367] ? zap_class+0x640/0x640 [ 416.300087] ? print_usage_bug+0xc0/0xc0 [ 416.304150] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 416.309345] ? find_held_lock+0x36/0x1c0 [ 416.313539] ? zap_class+0x640/0x640 [ 416.317262] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.322801] ? check_preemption_disabled+0x48/0x280 [ 416.327828] ? __lock_is_held+0xb5/0x140 [ 416.331888] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.337438] ? check_preemption_disabled+0x48/0x280 [ 416.342462] run_timer_softirq+0x52/0xb0 [ 416.346525] ? rcu_read_lock_sched_held+0x14f/0x180 [ 416.351545] __do_softirq+0x308/0xb7e [ 416.355350] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 416.359844] ? lock_downgrade+0x900/0x900 [ 416.364015] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 416.369136] ? pvclock_read_flags+0x160/0x160 [ 416.373641] ? lapic_next_event+0x5a/0x90 [ 416.377801] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.383350] ? kvm_clock_read+0x18/0x30 [ 416.387327] ? kvm_sched_clock_read+0x9/0x20 [ 416.391774] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 416.397316] ? check_preemption_disabled+0x48/0x280 [ 416.402349] irq_exit+0x17f/0x1c0 [ 416.405810] smp_apic_timer_interrupt+0x1cb/0x760 [ 416.410654] ? smp_reschedule_interrupt+0x109/0x650 [ 416.415677] ? smp_call_function_single_interrupt+0x650/0x650 [ 416.421564] ? interrupt_entry+0xb5/0xc0 [ 416.425633] ? trace_hardirqs_off_caller+0xbb/0x310 [ 416.430649] ? trace_hardirqs_off_caller+0xbb/0x310 [ 416.435670] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 416.440514] ? trace_hardirqs_on_caller+0x310/0x310 [ 416.445531] ? trace_hardirqs_on_caller+0x310/0x310 [ 416.450564] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 416.455426] apic_timer_interrupt+0xf/0x20 [ 416.459662] [ 416.461906] RIP: 0010:dump_stack+0x358/0x39d [ 416.466317] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 f1 36 ed f9 48 83 3d f9 27 7c 01 00 0f 84 63 fe ff ff e8 6e b7 a9 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b b7 a9 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 416.485227] RSP: 0000:ffff8881bb40e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 416.492941] RAX: ffff8881c2208180 RBX: 1ffffffff12a3f6e RCX: 1ffff1103844114e [ 416.500228] RDX: 0000000000000000 RSI: ffffffff87d5d382 RDI: 0000000000000293 [ 416.507508] RBP: ffff8881bb40e290 R08: ffff8881c2208a70 R09: 0000000000000006 [ 416.514780] R10: 0000000000000000 R11: ffff8881c2208180 R12: 1ffff11037681c45 [ 416.522060] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 416.529358] ? dump_stack+0x34f/0x39d [ 416.533179] ? dump_stack_print_info.cold.1+0x20/0x20 [ 416.538375] ? mark_held_locks+0x130/0x130 [ 416.542620] ? mark_held_locks+0x130/0x130 [ 416.546861] dump_header+0x27b/0xf72 [ 416.550590] ? pagefault_out_of_memory+0x197/0x197 [ 416.555533] ? __lock_acquire+0x62f/0x4c20 [ 416.559774] ? percpu_ref_get_many+0x240/0x240 [ 416.564363] ? print_usage_bug+0xc0/0xc0 [ 416.568451] ? zap_class+0x640/0x640 [ 416.572173] ? print_usage_bug+0xc0/0xc0 [ 416.576237] ? print_usage_bug+0xc0/0xc0 [ 416.580305] ? zap_class+0x640/0x640 [ 416.584025] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.589592] ? find_held_lock+0x36/0x1c0 [ 416.593668] ? mark_held_locks+0xc7/0x130 [ 416.597853] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 416.602954] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 416.608072] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 416.612658] ? trace_hardirqs_on+0xbd/0x310 [ 416.616999] ? kasan_check_read+0x11/0x20 [ 416.621170] ? ___ratelimit+0x3b4/0x672 [ 416.625151] ? trace_hardirqs_off_caller+0x310/0x310 [ 416.630258] ? trace_hardirqs_on+0x310/0x310 [ 416.634670] ? lock_downgrade+0x900/0x900 [ 416.638829] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 416.643940] ? ___ratelimit+0x3b9/0x672 [ 416.647920] ? idr_get_free+0xf70/0xf70 [ 416.651899] ? find_held_lock+0x36/0x1c0 [ 416.655982] oom_kill_process.cold.27+0x10/0x903 [ 416.660749] ? zap_class+0x640/0x640 [ 416.664475] ? check_preemption_disabled+0x48/0x280 [ 416.669510] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 416.674449] ? kasan_check_read+0x11/0x20 [ 416.678602] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 416.683887] ? oom_evaluate_task+0x540/0x540 [ 416.688304] ? find_held_lock+0x36/0x1c0 [ 416.692382] ? out_of_memory+0x974/0x1430 [ 416.696544] ? lock_downgrade+0x900/0x900 [ 416.700695] ? check_preemption_disabled+0x48/0x280 [ 416.705722] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 416.710653] ? kasan_check_read+0x11/0x20 [ 416.714806] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 416.720085] ? rcu_softirq_qs+0x20/0x20 [ 416.724072] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 416.729613] ? oom_evaluate_task+0x302/0x540 [ 416.734028] out_of_memory+0xa84/0x1430 [ 416.738020] ? oom_killer_disable+0x3a0/0x3a0 [ 416.742526] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 416.747467] ? __ww_mutex_check_waiters+0x160/0x160 [ 416.752501] __alloc_pages_slowpath+0x232c/0x2de0 [ 416.757375] ? warn_alloc+0x120/0x120 [ 416.761179] ? mark_held_locks+0x130/0x130 [ 416.765429] ? find_get_entry+0xaae/0x1120 [ 416.769674] ? filemap_map_pages+0x1a20/0x1a20 [ 416.774265] ? zap_class+0x640/0x640 [ 416.777988] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.783531] ? check_preemption_disabled+0x48/0x280 [ 416.788550] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 416.794088] ? should_fail+0x22d/0xd01 [ 416.797983] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 416.803093] ? zap_class+0x640/0x640 [ 416.806838] ? __lock_is_held+0xb5/0x140 [ 416.810925] ? mark_held_locks+0x130/0x130 [ 416.815168] ? lock_release+0xa00/0xa00 [ 416.819147] ? perf_trace_sched_process_exec+0x860/0x860 [ 416.824598] ? xa_load+0x2ba/0x460 [ 416.828145] ? lock_downgrade+0x900/0x900 [ 416.832303] ? __might_sleep+0x95/0x190 [ 416.836287] __alloc_pages_nodemask+0xad8/0xea0 [ 416.840968] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 416.845988] ? __page_cache_alloc+0x191/0x5c0 [ 416.850486] ? xa_load+0x2e1/0x460 [ 416.854027] ? xa_clear_mark+0x40/0x40 [ 416.857925] ? zap_class+0x640/0x640 [ 416.861649] ? zap_class+0x640/0x640 [ 416.865362] ? zap_class+0x640/0x640 [ 416.869083] ? __do_page_cache_readahead+0x663/0x810 [ 416.874196] ? find_held_lock+0x36/0x1c0 [ 416.878271] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 416.883816] alloc_pages_current+0x173/0x350 [ 416.888240] __page_cache_alloc+0x38c/0x5c0 [ 416.892565] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 416.897494] ? kasan_check_read+0x11/0x20 [ 416.901659] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 416.906954] ? generic_perform_write+0x6a0/0x6a0 [ 416.911771] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 416.917327] ? check_preemption_disabled+0x48/0x280 [ 416.922370] filemap_fault+0x1595/0x25f0 [ 416.926466] ? __lock_page_or_retry+0xa00/0xa00 [ 416.931146] ? mark_held_locks+0x130/0x130 [ 416.935395] ? filemap_map_pages+0xd6b/0x1a20 [ 416.939932] ? lock_downgrade+0x900/0x900 [ 416.944082] ? check_preemption_disabled+0x48/0x280 [ 416.949109] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 416.954046] ? kasan_check_read+0x11/0x20 [ 416.958195] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 416.963472] ? rcu_softirq_qs+0x20/0x20 [ 416.967467] ? filemap_map_pages+0xd92/0x1a20 [ 416.971995] ? find_get_entries_tag+0x1400/0x1400 [ 416.976867] ? debug_object_destroy+0x2b0/0x2b0 [ 416.981548] ? lock_pi_update_atomic+0x150/0x150 [ 416.986307] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.991859] ? lock_acquire+0x1ed/0x520 [ 416.995835] ? ext4_filemap_fault+0x7a/0xad [ 417.000169] ? lock_release+0xa00/0xa00 [ 417.004145] ? perf_trace_sched_process_exec+0x860/0x860 [ 417.009601] ? print_usage_bug+0xc0/0xc0 [ 417.013685] ? print_usage_bug+0xc0/0xc0 [ 417.017761] ? down_read+0x8d/0x120 [ 417.021386] ? ext4_filemap_fault+0x7a/0xad [ 417.025718] ? __down_interruptible+0x700/0x700 [ 417.030409] ext4_filemap_fault+0x82/0xad [ 417.034567] __do_fault+0x100/0x6b0 [ 417.038194] ? find_held_lock+0x36/0x1c0 [ 417.042260] ? pmd_devmap_trans_unstable+0x220/0x220 [ 417.047372] ? mark_held_locks+0x130/0x130 [ 417.051619] ? mark_held_locks+0x130/0x130 [ 417.055858] ? debug_smp_processor_id+0x1c/0x20 [ 417.060533] ? perf_trace_lock+0x14d/0x7a0 [ 417.064784] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.070329] __handle_mm_fault+0x3ea0/0x5be0 [ 417.074748] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 417.079597] ? lock_is_held_type+0x210/0x210 [ 417.084014] ? __switch_to_asm+0x34/0x70 [ 417.088080] ? __switch_to_asm+0x34/0x70 [ 417.092159] ? zap_class+0x640/0x640 [ 417.095871] ? zap_class+0x640/0x640 [ 417.099585] ? __x64_sys_futex+0x53e/0x6a0 [ 417.103833] ? find_held_lock+0x36/0x1c0 [ 417.107911] ? handle_mm_fault+0x42a/0xc70 [ 417.112151] ? lock_downgrade+0x900/0x900 [ 417.116305] ? check_preemption_disabled+0x48/0x280 [ 417.121334] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 417.126283] ? kasan_check_read+0x11/0x20 [ 417.130442] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 417.135721] ? rcu_softirq_qs+0x20/0x20 [ 417.139700] ? trace_hardirqs_off_caller+0x310/0x310 [ 417.144811] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.150464] ? check_preemption_disabled+0x48/0x280 [ 417.155674] handle_mm_fault+0x54f/0xc70 [ 417.159749] ? __handle_mm_fault+0x5be0/0x5be0 [ 417.164342] ? find_vma+0x34/0x190 [ 417.167890] __do_page_fault+0x5e8/0xe60 [ 417.171954] ? trace_hardirqs_off+0xb8/0x310 [ 417.176376] do_page_fault+0xf2/0x7e0 [ 417.180699] ? vmalloc_sync_all+0x30/0x30 [ 417.184852] ? error_entry+0x70/0xd0 [ 417.188569] ? trace_hardirqs_off_caller+0xbb/0x310 [ 417.193589] ? trace_hardirqs_on_caller+0xc0/0x310 [ 417.198525] ? syscall_return_slowpath+0x5e0/0x5e0 [ 417.203461] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 417.208311] ? trace_hardirqs_on_caller+0x310/0x310 [ 417.213365] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 417.218831] ? prepare_exit_to_usermode+0x291/0x3b0 [ 417.223854] ? page_fault+0x8/0x30 [ 417.227409] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 417.232264] ? page_fault+0x8/0x30 [ 417.235810] page_fault+0x1e/0x30 [ 417.239264] RIP: 0033:0x45ddf3 [ 417.242467] Code: Bad RIP value. [ 417.245828] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 417.251194] RAX: ffffffffffffff92 RBX: 0000000028898d51 RCX: 000000000045ddf3 [ 417.258468] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014f1120 [ 417.265745] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 417.273019] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 417.280306] R13: 000000c42841fe60 R14: 0000000000000001 R15: 0000000000000000 [ 417.287602] warn_alloc_show_mem: 1 callbacks suppressed [ 417.287614] CPU: 1 PID: 16798 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #167 [ 417.287616] Mem-Info: [ 417.287648] active_anon:45985 inactive_anon:296 isolated_anon:0 [ 417.287648] active_file:15 inactive_file:8 isolated_file:0 [ 417.287648] unevictable:0 dirty:0 writeback:0 unstable:0 [ 417.287648] slab_reclaimable:9236 slab_unreclaimable:1461135 [ 417.287648] mapped:40979 shmem:353 pagetables:587 bounce:0 [ 417.287648] free:13771 free_pcp:249 free_cma:0 [ 417.292986] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 417.300357] Node 0 active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1412kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 417.302765] Call Trace: [ 417.335561] 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 [ 417.344921] [ 417.372603] lowmem_reserve[]: 0 2818 6321 6321 [ 417.375214] dump_stack+0x244/0x39d [ 417.401307] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:404kB local_pcp:156kB free_cma:0kB [ 417.403467] ? dump_stack_print_info.cold.1+0x20/0x20 [ 417.408009] lowmem_reserve[]: 0 0 3503 3503 [ 417.411667] warn_alloc.cold.116+0xb7/0x1bd [ 417.439146] Node 0 Normal free:14000kB min:37364kB low:46704kB high:56044kB active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2348kB bounce:0kB free_pcp:592kB local_pcp:388kB free_cma:0kB [ 417.444351] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 417.448650] lowmem_reserve[]: 0 0 0 0 [ 417.452977] ? lock_downgrade+0x900/0x900 [ 417.481937] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 417.486792] ? trace_hardirqs_off+0xb8/0x310 [ 417.490569] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 2*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 417.494726] ? trace_hardirqs_off+0xb8/0x310 [ 417.508226] Node 0 Normal: 794*4kB (MEH) 441*8kB (UMEH) 176*16kB (UME) 69*32kB (UMEH) 18*64kB (UM) 1*128kB (U) 2*256kB (U) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14032kB [ 417.512645] __alloc_pages_slowpath+0x2651/0x2de0 [ 417.527722] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 417.532156] ? warn_alloc+0x120/0x120 [ 417.547560] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 417.552404] ? print_usage_bug+0xc0/0xc0 [ 417.561244] 376 total pagecache pages [ 417.565064] ? warn_alloc+0x120/0x120 [ 417.573632] 0 pages in swap cache [ 417.577702] ? warn_alloc+0x120/0x120 [ 417.581478] Swap cache stats: add 0, delete 0, find 0/0 [ 417.585276] ? print_usage_bug+0xc0/0xc0 [ 417.588699] Free swap = 0kB [ 417.592501] ? kvm_clock_read+0x18/0x30 [ 417.597838] Total swap = 0kB [ 417.601913] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 417.604899] 1965979 pages RAM [ 417.608877] ? print_usage_bug+0xc0/0xc0 [ 417.611872] 0 pages HighMem/MovableOnly [ 417.616895] ? __lock_acquire+0x62f/0x4c20 [ 417.619974] 342854 pages reserved [ 417.624037] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.627994] 0 pages cma reserved [ 417.632262] ? should_fail+0x22d/0xd01 [ 417.635748] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 417.641221] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 417.641242] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 417.641259] ? __lock_acquire+0x62f/0x4c20 [ 417.644667] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 417.648493] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 417.654963] syz-fuzzer cpuset=/ mems_allowed=0 [ 417.660249] ? __lock_acquire+0x62f/0x4c20 [ 417.693675] ? should_fail+0x22d/0xd01 [ 417.697577] ? rcu_irq_exit+0x1a2/0x390 [ 417.701574] ? mark_held_locks+0x130/0x130 [ 417.705827] ? mark_held_locks+0x130/0x130 [ 417.710085] ? mark_held_locks+0xc7/0x130 [ 417.714246] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 417.719279] ? zap_class+0x640/0x640 [ 417.723003] ? print_usage_bug+0xc0/0xc0 [ 417.727087] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.732641] ? check_preemption_disabled+0x48/0x280 [ 417.737681] ? __lock_is_held+0xb5/0x140 [ 417.741761] __alloc_pages_nodemask+0xad8/0xea0 [ 417.746439] ? zap_class+0x640/0x640 [ 417.750167] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 417.755208] ? find_held_lock+0x36/0x1c0 [ 417.759290] ? ____cache_alloc_node+0x1c7/0x1e0 [ 417.763974] ? lock_downgrade+0x900/0x900 [ 417.768140] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.773695] cache_grow_begin+0xa5/0x8c0 [ 417.777771] ? do_raw_spin_unlock+0xa7/0x330 [ 417.782199] fallback_alloc+0x204/0x2e0 [ 417.786190] ____cache_alloc_node+0x1c7/0x1e0 [ 417.790704] kmem_cache_alloc_node+0xe3/0x730 [ 417.795209] ? ipv6_get_ifaddr+0x42e/0x620 [ 417.799461] __alloc_skb+0x119/0x770 [ 417.803184] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 417.808480] ? netdev_alloc_frag+0x1f0/0x1f0 [ 417.812898] ? lock_downgrade+0x900/0x900 [ 417.817080] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.822629] ? refcount_sub_and_test_checked+0x203/0x310 [ 417.828096] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 417.833559] ? addrconf_rs_timer+0x690/0x690 [ 417.837990] ndisc_alloc_skb+0x144/0x340 [ 417.842073] ndisc_send_rs+0x331/0x6e0 [ 417.845976] addrconf_rs_timer+0x314/0x690 [ 417.850225] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 417.854480] call_timer_fn+0x272/0x920 [ 417.858379] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 417.862620] ? process_timeout+0x40/0x40 [ 417.866693] ? __run_timers+0x7da/0xc70 [ 417.870674] ? _raw_spin_unlock_irq+0x27/0x80 [ 417.875176] ? _raw_spin_unlock_irq+0x27/0x80 [ 417.879675] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 417.883922] ? lockdep_hardirqs_on+0x296/0x5b0 [ 417.888517] ? trace_hardirqs_on+0xbd/0x310 [ 417.892849] ? kasan_check_read+0x11/0x20 [ 417.897003] ? __run_timers+0x7da/0xc70 [ 417.900984] ? trace_hardirqs_off_caller+0x310/0x310 [ 417.906106] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 417.910357] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 417.914597] __run_timers+0x7e5/0xc70 [ 417.918416] ? timer_fixup_init+0x70/0x70 [ 417.922577] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 417.927612] ? zap_class+0x640/0x640 [ 417.931341] ? enqueue_hrtimer+0x1a5/0x560 [ 417.935590] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 417.940799] ? find_held_lock+0x36/0x1c0 [ 417.944874] ? zap_class+0x640/0x640 [ 417.948609] ? pvclock_read_flags+0x160/0x160 [ 417.953120] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.958675] ? check_preemption_disabled+0x48/0x280 [ 417.963716] ? __lock_is_held+0xb5/0x140 [ 417.967798] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.973352] ? check_preemption_disabled+0x48/0x280 [ 417.978385] run_timer_softirq+0x52/0xb0 [ 417.982459] ? rcu_read_lock_sched_held+0x14f/0x180 [ 417.987491] __do_softirq+0x308/0xb7e [ 417.991310] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 417.995818] ? lock_downgrade+0x900/0x900 [ 417.999987] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 418.005113] ? pvclock_read_flags+0x160/0x160 [ 418.009635] ? lapic_next_event+0x5a/0x90 [ 418.013808] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.019372] ? kvm_clock_read+0x18/0x30 [ 418.023368] ? kvm_sched_clock_read+0x9/0x20 [ 418.027803] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.033364] ? check_preemption_disabled+0x48/0x280 [ 418.038410] irq_exit+0x17f/0x1c0 [ 418.041886] smp_apic_timer_interrupt+0x1cb/0x760 [ 418.046747] ? smp_reschedule_interrupt+0x109/0x650 [ 418.051781] ? smp_call_function_single_interrupt+0x650/0x650 [ 418.057685] ? interrupt_entry+0xb5/0xc0 [ 418.061761] ? trace_hardirqs_off_caller+0xbb/0x310 [ 418.066791] ? trace_hardirqs_off_caller+0xbb/0x310 [ 418.071826] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 418.076684] ? trace_hardirqs_on_caller+0x310/0x310 [ 418.081717] ? trace_hardirqs_on_caller+0x310/0x310 [ 418.086750] ? task_prio+0x50/0x50 [ 418.090310] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.095863] ? check_preemption_disabled+0x48/0x280 [ 418.100902] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 418.105781] apic_timer_interrupt+0xf/0x20 [ 418.110016] [ 418.112274] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 418.117211] Code: 7e 0f 85 cf fe ff ff e8 66 cb 3d ff e9 c5 fe ff ff e8 0d 01 c3 ff 48 83 3d a5 49 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 42 f3 [ 418.136130] RSP: 0018:ffff888195497718 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 418.143858] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 418.151144] RDX: 0000000000000000 RSI: ffff8881d2488b40 RDI: 0000000000000282 [ 418.158428] RBP: ffff888195497780 R08: ffff8881d24882c0 R09: 0000000000000000 [ 418.165712] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 418.173000] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020 [ 418.180330] skb_clone+0x1bb/0x500 [ 418.183882] ? skb_split+0x11e0/0x11e0 [ 418.187781] ? check_preemption_disabled+0x48/0x280 [ 418.192834] ? __this_cpu_preempt_check+0x1c/0x20 [ 418.197683] ? __bpf_redirect+0x55b/0xb60 [ 418.201840] ? __switch_to_asm+0x34/0x70 [ 418.205911] ? __switch_to_asm+0x40/0x70 [ 418.209986] bpf_clone_redirect+0xb9/0x490 [ 418.214235] bpf_prog_3d1649e183dc2cc1+0xaf9/0x1000 [ 418.219272] ? __sched_text_start+0x8/0x8 [ 418.223443] ? find_held_lock+0x36/0x1c0 [ 418.227520] ? lock_acquire+0x1ed/0x520 [ 418.231532] ? bpf_test_run+0x3cb/0x780 [ 418.235513] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.241070] ? check_preemption_disabled+0x48/0x280 [ 418.246102] ? kasan_check_read+0x11/0x20 [ 418.250262] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 418.255545] ? rcu_softirq_qs+0x20/0x20 [ 418.259532] ? preempt_schedule+0x4d/0x60 [ 418.263689] ? ___preempt_schedule+0x16/0x18 [ 418.268114] ? bpf_test_run+0x25d/0x780 [ 418.272109] ? netlink_diag_dump+0x2a0/0x2a0 [ 418.276531] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 418.282090] ? bpf_test_init.isra.10+0x70/0x100 [ 418.286791] ? bpf_prog_test_run_skb+0x73b/0xd10 [ 418.291581] ? bpf_test_finish.isra.9+0x260/0x260 [ 418.296433] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 418.301983] ? fput+0x130/0x1a0 [ 418.305272] ? __bpf_prog_get+0x9b/0x290 [ 418.309349] ? bpf_test_finish.isra.9+0x260/0x260 [ 418.314722] ? bpf_prog_test_run+0x130/0x1a0 [ 418.319141] ? __x64_sys_bpf+0x3db/0x520 [ 418.323207] ? bpf_prog_get+0x20/0x20 [ 418.327036] ? do_syscall_64+0x1b9/0x820 [ 418.331117] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 418.336495] ? syscall_return_slowpath+0x5e0/0x5e0 [ 418.341460] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 418.346319] ? trace_hardirqs_on_caller+0x310/0x310 [ 418.351383] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 418.356417] ? prepare_exit_to_usermode+0x291/0x3b0 [ 418.361456] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 418.366323] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 418.371715] CPU: 0 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #167 [ 418.371784] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 418.378767] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 418.378773] Call Trace: [ 418.378779] [ 418.378803] dump_stack+0x244/0x39d [ 418.378821] ? dump_stack_print_info.cold.1+0x20/0x20 [ 418.378845] warn_alloc.cold.116+0xb7/0x1bd [ 418.385392] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 418.394704] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 418.397308] syz-executor0 cpuset=syz0 mems_allowed=0 [ 418.399470] ? lock_downgrade+0x900/0x900 [ 418.437634] ? trace_hardirqs_off+0xb8/0x310 [ 418.442095] ? trace_hardirqs_off+0xb8/0x310 [ 418.446533] __alloc_pages_slowpath+0x2651/0x2de0 [ 418.451430] ? warn_alloc+0x120/0x120 [ 418.455253] ? print_usage_bug+0xc0/0xc0 [ 418.459334] ? warn_alloc+0x120/0x120 [ 418.463153] ? warn_alloc+0x120/0x120 [ 418.466969] ? print_usage_bug+0xc0/0xc0 [ 418.471060] ? print_usage_bug+0xc0/0xc0 [ 418.475141] ? __lock_acquire+0x62f/0x4c20 [ 418.479393] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 418.484952] ? should_fail+0x22d/0xd01 [ 418.488862] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 418.493984] ? __lock_acquire+0x62f/0x4c20 [ 418.498239] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 418.503357] ? __lock_acquire+0x62f/0x4c20 [ 418.507605] ? should_fail+0x22d/0xd01 [ 418.511508] ? find_held_lock+0x36/0x1c0 [ 418.515594] ? mark_held_locks+0x130/0x130 [ 418.519847] ? mark_held_locks+0x130/0x130 [ 418.524097] ? zap_class+0x640/0x640 [ 418.527822] ? zap_class+0x640/0x640 [ 418.531551] ? print_usage_bug+0xc0/0xc0 [ 418.535623] ? do_raw_spin_unlock+0xa7/0x330 [ 418.540050] ? zap_class+0x640/0x640 [ 418.543779] ? print_usage_bug+0xc0/0xc0 [ 418.547851] ? wq_watchdog_touch+0x9c/0xfe [ 418.552106] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.557664] ? check_preemption_disabled+0x48/0x280 [ 418.562706] ? __lock_is_held+0xb5/0x140 [ 418.566795] __alloc_pages_nodemask+0xad8/0xea0 [ 418.571482] ? zap_class+0x640/0x640 [ 418.575218] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 418.580265] ? find_held_lock+0x36/0x1c0 [ 418.584350] ? ____cache_alloc_node+0x1c7/0x1e0 [ 418.589035] ? lock_downgrade+0x900/0x900 [ 418.593218] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.598779] cache_grow_begin+0xa5/0x8c0 [ 418.602855] ? do_raw_spin_unlock+0xa7/0x330 [ 418.607285] fallback_alloc+0x204/0x2e0 [ 418.611281] ____cache_alloc_node+0x1c7/0x1e0 [ 418.615795] kmem_cache_alloc_node+0xe3/0x730 [ 418.620306] ? ipv6_get_ifaddr+0x42e/0x620 [ 418.624564] __alloc_skb+0x119/0x770 [ 418.628291] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 418.633587] ? netdev_alloc_frag+0x1f0/0x1f0 [ 418.638009] ? lock_downgrade+0x900/0x900 [ 418.642190] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.647747] ? refcount_sub_and_test_checked+0x203/0x310 [ 418.653221] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 418.658693] ? addrconf_rs_timer+0x690/0x690 [ 418.663130] ndisc_alloc_skb+0x144/0x340 [ 418.667212] ndisc_send_rs+0x331/0x6e0 [ 418.671122] addrconf_rs_timer+0x314/0x690 [ 418.675380] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 418.679641] call_timer_fn+0x272/0x920 [ 418.683539] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 418.687802] ? process_timeout+0x40/0x40 [ 418.691882] ? mark_held_locks+0xc7/0x130 [ 418.696057] ? _raw_spin_unlock_irq+0x27/0x80 [ 418.700568] ? _raw_spin_unlock_irq+0x27/0x80 [ 418.705079] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 418.709330] ? lockdep_hardirqs_on+0x296/0x5b0 [ 418.713926] ? trace_hardirqs_on+0xbd/0x310 [ 418.718260] ? kasan_check_read+0x11/0x20 [ 418.722426] ? __run_timers+0x7da/0xc70 [ 418.726419] ? trace_hardirqs_off_caller+0x310/0x310 [ 418.731532] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 418.735777] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 418.740018] __run_timers+0x7e5/0xc70 [ 418.743843] ? timer_fixup_init+0x70/0x70 [ 418.747998] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 418.753018] ? zap_class+0x640/0x640 [ 418.756760] ? print_usage_bug+0xc0/0xc0 [ 418.760825] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 418.766024] ? find_held_lock+0x36/0x1c0 [ 418.770104] ? zap_class+0x640/0x640 [ 418.773830] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.779374] ? check_preemption_disabled+0x48/0x280 [ 418.784414] ? __lock_is_held+0xb5/0x140 [ 418.788478] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.794023] ? check_preemption_disabled+0x48/0x280 [ 418.799062] run_timer_softirq+0x52/0xb0 [ 418.803127] ? rcu_read_lock_sched_held+0x14f/0x180 [ 418.808157] __do_softirq+0x308/0xb7e [ 418.811971] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 418.816480] ? lock_downgrade+0x900/0x900 [ 418.820645] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 418.825772] ? pvclock_read_flags+0x160/0x160 [ 418.830285] ? lapic_next_event+0x5a/0x90 [ 418.834457] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.840016] ? kvm_clock_read+0x18/0x30 [ 418.844014] ? kvm_sched_clock_read+0x9/0x20 [ 418.848452] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 418.854008] ? check_preemption_disabled+0x48/0x280 [ 418.859065] irq_exit+0x17f/0x1c0 [ 418.862537] smp_apic_timer_interrupt+0x1cb/0x760 [ 418.867395] ? smp_reschedule_interrupt+0x109/0x650 [ 418.872442] ? smp_call_function_single_interrupt+0x650/0x650 [ 418.878343] ? interrupt_entry+0xb5/0xc0 [ 418.882424] ? trace_hardirqs_off_caller+0xbb/0x310 [ 418.887455] ? trace_hardirqs_off_caller+0xbb/0x310 [ 418.892493] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 418.897357] ? trace_hardirqs_on_caller+0x310/0x310 [ 418.902390] ? trace_hardirqs_on_caller+0x310/0x310 [ 418.907449] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 418.912316] apic_timer_interrupt+0xf/0x20 [ 418.916554] [ 418.918805] RIP: 0010:dump_stack+0x358/0x39d [ 418.923227] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 f1 36 ed f9 48 83 3d f9 27 7c 01 00 0f 84 63 fe ff ff e8 6e b7 a9 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b b7 a9 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 418.942142] RSP: 0000:ffff8881bb40e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 418.949869] RAX: ffff8881c2208180 RBX: 1ffffffff12a3f6e RCX: 1ffff1103844114e [ 418.957156] RDX: 0000000000000000 RSI: ffffffff87d5d382 RDI: 0000000000000293 [ 418.964443] RBP: ffff8881bb40e290 R08: ffff8881c2208a70 R09: 0000000000000006 [ 418.971729] R10: 0000000000000000 R11: ffff8881c2208180 R12: 1ffff11037681c45 [ 418.979019] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 418.986339] ? dump_stack+0x34f/0x39d [ 418.990174] ? dump_stack_print_info.cold.1+0x20/0x20 [ 418.995386] ? mark_held_locks+0x130/0x130 [ 418.999643] ? mark_held_locks+0x130/0x130 [ 419.003899] dump_header+0x27b/0xf72 [ 419.007640] ? pagefault_out_of_memory+0x197/0x197 [ 419.012600] ? __lock_acquire+0x62f/0x4c20 [ 419.016852] ? percpu_ref_get_many+0x240/0x240 [ 419.021453] ? print_usage_bug+0xc0/0xc0 [ 419.025525] ? zap_class+0x640/0x640 [ 419.029241] ? print_usage_bug+0xc0/0xc0 [ 419.033305] ? print_usage_bug+0xc0/0xc0 [ 419.037369] ? zap_class+0x640/0x640 [ 419.041093] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.046639] ? find_held_lock+0x36/0x1c0 [ 419.050713] ? mark_held_locks+0xc7/0x130 [ 419.054866] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 419.059973] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 419.065083] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 419.069670] ? trace_hardirqs_on+0xbd/0x310 [ 419.073992] ? kasan_check_read+0x11/0x20 [ 419.078141] ? ___ratelimit+0x3b4/0x672 [ 419.082119] ? trace_hardirqs_off_caller+0x310/0x310 [ 419.087227] ? trace_hardirqs_on+0x310/0x310 [ 419.091640] ? lock_downgrade+0x900/0x900 [ 419.095799] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 419.100904] ? ___ratelimit+0x3b9/0x672 [ 419.104888] ? idr_get_free+0xf70/0xf70 [ 419.108864] ? find_held_lock+0x36/0x1c0 [ 419.112941] oom_kill_process.cold.27+0x10/0x903 [ 419.117705] ? zap_class+0x640/0x640 [ 419.121429] ? check_preemption_disabled+0x48/0x280 [ 419.126450] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 419.131385] ? kasan_check_read+0x11/0x20 [ 419.135539] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 419.140819] ? oom_evaluate_task+0x540/0x540 [ 419.145235] ? find_held_lock+0x36/0x1c0 [ 419.149308] ? out_of_memory+0x974/0x1430 [ 419.153461] ? lock_downgrade+0x900/0x900 [ 419.157614] ? check_preemption_disabled+0x48/0x280 [ 419.162641] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 419.167573] ? kasan_check_read+0x11/0x20 [ 419.171741] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 419.177026] ? rcu_softirq_qs+0x20/0x20 [ 419.181482] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 419.187051] ? oom_evaluate_task+0x302/0x540 [ 419.191483] out_of_memory+0xa84/0x1430 [ 419.195474] ? oom_killer_disable+0x3a0/0x3a0 [ 419.199973] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 419.204914] ? __ww_mutex_check_waiters+0x160/0x160 [ 419.209949] __alloc_pages_slowpath+0x232c/0x2de0 [ 419.214829] ? warn_alloc+0x120/0x120 [ 419.218635] ? mark_held_locks+0x130/0x130 [ 419.222878] ? find_get_entry+0xaae/0x1120 [ 419.227130] ? filemap_map_pages+0x1a20/0x1a20 [ 419.231728] ? zap_class+0x640/0x640 [ 419.235456] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.240997] ? check_preemption_disabled+0x48/0x280 [ 419.246016] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 419.251564] ? should_fail+0x22d/0xd01 [ 419.255460] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 419.260577] ? zap_class+0x640/0x640 [ 419.264334] ? __lock_is_held+0xb5/0x140 [ 419.268423] ? mark_held_locks+0x130/0x130 [ 419.272681] ? lock_release+0xa00/0xa00 [ 419.276673] ? perf_trace_sched_process_exec+0x860/0x860 [ 419.282141] ? xa_load+0x2ba/0x460 [ 419.285704] ? lock_downgrade+0x900/0x900 [ 419.289881] ? __might_sleep+0x95/0x190 [ 419.293883] __alloc_pages_nodemask+0xad8/0xea0 [ 419.298585] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 419.303622] ? __page_cache_alloc+0x191/0x5c0 [ 419.308134] ? xa_load+0x2e1/0x460 [ 419.311691] ? xa_clear_mark+0x40/0x40 [ 419.315594] ? zap_class+0x640/0x640 [ 419.319331] ? zap_class+0x640/0x640 [ 419.323063] ? zap_class+0x640/0x640 [ 419.326791] ? __do_page_cache_readahead+0x663/0x810 [ 419.331913] ? find_held_lock+0x36/0x1c0 [ 419.335997] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 419.341560] alloc_pages_current+0x173/0x350 [ 419.345992] __page_cache_alloc+0x38c/0x5c0 [ 419.350330] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 419.355272] ? kasan_check_read+0x11/0x20 [ 419.359439] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 419.364741] ? generic_perform_write+0x6a0/0x6a0 [ 419.369515] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 419.375082] ? check_preemption_disabled+0x48/0x280 [ 419.380125] filemap_fault+0x1595/0x25f0 [ 419.384222] ? __lock_page_or_retry+0xa00/0xa00 [ 419.388910] ? mark_held_locks+0x130/0x130 [ 419.393171] ? filemap_map_pages+0xd6b/0x1a20 [ 419.397685] ? lock_downgrade+0x900/0x900 [ 419.401852] ? check_preemption_disabled+0x48/0x280 [ 419.406889] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 419.411833] ? kasan_check_read+0x11/0x20 [ 419.416000] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 419.421298] ? rcu_softirq_qs+0x20/0x20 [ 419.425302] ? filemap_map_pages+0xd92/0x1a20 [ 419.429828] ? find_get_entries_tag+0x1400/0x1400 [ 419.434697] ? debug_object_destroy+0x2b0/0x2b0 [ 419.439389] ? lock_pi_update_atomic+0x150/0x150 [ 419.444166] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.449732] ? lock_acquire+0x1ed/0x520 [ 419.453725] ? ext4_filemap_fault+0x7a/0xad [ 419.458079] ? lock_release+0xa00/0xa00 [ 419.462074] ? perf_trace_sched_process_exec+0x860/0x860 [ 419.467552] ? print_usage_bug+0xc0/0xc0 [ 419.471633] ? print_usage_bug+0xc0/0xc0 [ 419.475715] ? down_read+0x8d/0x120 [ 419.479352] ? ext4_filemap_fault+0x7a/0xad [ 419.483689] ? __down_interruptible+0x700/0x700 [ 419.488385] ext4_filemap_fault+0x82/0xad [ 419.492553] __do_fault+0x100/0x6b0 [ 419.496186] ? find_held_lock+0x36/0x1c0 [ 419.500257] ? pmd_devmap_trans_unstable+0x220/0x220 [ 419.505372] ? mark_held_locks+0x130/0x130 [ 419.509618] ? mark_held_locks+0x130/0x130 [ 419.513861] ? debug_smp_processor_id+0x1c/0x20 [ 419.518538] ? perf_trace_lock+0x14d/0x7a0 [ 419.522790] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 419.528347] __handle_mm_fault+0x3ea0/0x5be0 [ 419.532772] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 419.537626] ? lock_is_held_type+0x210/0x210 [ 419.542055] ? __switch_to_asm+0x34/0x70 [ 419.546122] ? __switch_to_asm+0x34/0x70 [ 419.550205] ? zap_class+0x640/0x640 [ 419.553939] ? zap_class+0x640/0x640 [ 419.557656] ? __x64_sys_futex+0x53e/0x6a0 [ 419.561901] ? find_held_lock+0x36/0x1c0 [ 419.565981] ? handle_mm_fault+0x42a/0xc70 [ 419.570224] ? lock_downgrade+0x900/0x900 [ 419.574379] ? check_preemption_disabled+0x48/0x280 [ 419.579419] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 419.584355] ? kasan_check_read+0x11/0x20 [ 419.588512] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 419.593796] ? rcu_softirq_qs+0x20/0x20 [ 419.597774] ? trace_hardirqs_off_caller+0x310/0x310 [ 419.602893] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 419.608460] ? check_preemption_disabled+0x48/0x280 [ 419.613497] handle_mm_fault+0x54f/0xc70 [ 419.617579] ? __handle_mm_fault+0x5be0/0x5be0 [ 419.622173] ? find_vma+0x34/0x190 [ 419.625727] __do_page_fault+0x5e8/0xe60 [ 419.629799] ? trace_hardirqs_off+0xb8/0x310 [ 419.634227] do_page_fault+0xf2/0x7e0 [ 419.638075] ? vmalloc_sync_all+0x30/0x30 [ 419.642230] ? error_entry+0x70/0xd0 [ 419.645953] ? trace_hardirqs_off_caller+0xbb/0x310 [ 419.650977] ? trace_hardirqs_on_caller+0xc0/0x310 [ 419.655912] ? syscall_return_slowpath+0x5e0/0x5e0 [ 419.660854] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 419.665712] ? trace_hardirqs_on_caller+0x310/0x310 [ 419.670744] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 419.676215] ? prepare_exit_to_usermode+0x291/0x3b0 [ 419.681237] ? page_fault+0x8/0x30 [ 419.684787] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 419.689646] ? page_fault+0x8/0x30 [ 419.693196] page_fault+0x1e/0x30 [ 419.696648] RIP: 0033:0x45ddf3 [ 419.699852] Code: Bad RIP value. [ 419.703219] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 419.708584] RAX: ffffffffffffff92 RBX: 0000000028898d51 RCX: 000000000045ddf3 [ 419.715881] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014f1120 [ 419.723179] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 419.730465] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 419.737747] R13: 000000c42841fe60 R14: 0000000000000001 R15: 0000000000000000 [ 419.745055] warn_alloc_show_mem: 1 callbacks suppressed [ 419.745068] CPU: 1 PID: 16798 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #167 [ 419.745070] Mem-Info: [ 419.745102] active_anon:45985 inactive_anon:296 isolated_anon:0 [ 419.745102] active_file:15 inactive_file:8 isolated_file:0 [ 419.745102] unevictable:0 dirty:0 writeback:0 unstable:0 [ 419.745102] slab_reclaimable:9236 slab_unreclaimable:1461135 [ 419.745102] mapped:40979 shmem:353 pagetables:587 bounce:0 [ 419.745102] free:13771 free_pcp:249 free_cma:0 [ 419.750451] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 419.757830] Node 0 active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1412kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 419.760231] Call Trace: [ 419.793021] 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 [ 419.802404] [ 419.830076] lowmem_reserve[]: 0 2818 6321 6321 [ 419.832676] dump_stack+0x244/0x39d [ 419.858768] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:404kB local_pcp:156kB free_cma:0kB [ 419.860935] ? dump_stack_print_info.cold.1+0x20/0x20 [ 419.865490] lowmem_reserve[]: 0 0 3503 3503 [ 419.869132] warn_alloc.cold.116+0xb7/0x1bd [ 419.896610] Node 0 Normal free:14000kB min:37364kB low:46704kB high:56044kB active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2348kB bounce:0kB free_pcp:592kB local_pcp:388kB free_cma:0kB [ 419.901810] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 419.906112] lowmem_reserve[]: 0 0 0 0 [ 419.910439] ? lock_downgrade+0x900/0x900 [ 419.939398] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 419.944255] ? trace_hardirqs_off+0xb8/0x310 [ 419.948033] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 2*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 419.952195] ? trace_hardirqs_off+0xb8/0x310 [ 419.965700] Node 0 Normal: 794*4kB (MEH) 441*8kB (UMEH) 176*16kB (UME) 69*32kB (UMEH) 18*64kB (UM) 1*128kB (U) 2*256kB (U) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14032kB [ 419.970122] __alloc_pages_slowpath+0x2651/0x2de0 [ 419.985199] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 419.989630] ? warn_alloc+0x120/0x120 [ 420.005040] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 420.009893] ? print_usage_bug+0xc0/0xc0 [ 420.018718] 376 total pagecache pages [ 420.022524] ? warn_alloc+0x120/0x120 [ 420.031087] 0 pages in swap cache [ 420.035151] ? warn_alloc+0x120/0x120 [ 420.038924] Swap cache stats: add 0, delete 0, find 0/0 [ 420.038933] Free swap = 0kB [ 420.042738] ? print_usage_bug+0xc0/0xc0 [ 420.046163] Total swap = 0kB [ 420.049968] ? print_usage_bug+0xc0/0xc0 [ 420.055310] 1965979 pages RAM [ 420.058328] ? __lock_acquire+0x62f/0x4c20 [ 420.062355] 0 pages HighMem/MovableOnly [ 420.062364] 342854 pages reserved [ 420.065391] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 420.069425] 0 pages cma reserved [ 420.072537] ? should_fail+0x22d/0xd01 [ 420.076807] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 420.080727] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 420.080745] ? __lock_acquire+0x62f/0x4c20 [ 420.080762] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 420.084262] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 420.089745] ? __lock_acquire+0x62f/0x4c20 [ 420.093106] syz-fuzzer cpuset=/ mems_allowed=0 [ 420.096994] ? should_fail+0x22d/0xd01 [ 420.140807] ? find_held_lock+0x36/0x1c0 [ 420.144897] ? mark_held_locks+0x130/0x130 [ 420.149156] ? mark_held_locks+0x130/0x130 [ 420.153407] ? zap_class+0x640/0x640 [ 420.157136] ? zap_class+0x640/0x640 [ 420.160871] ? print_usage_bug+0xc0/0xc0 [ 420.164955] ? do_raw_spin_unlock+0xa7/0x330 [ 420.169383] ? zap_class+0x640/0x640 [ 420.173116] ? print_usage_bug+0xc0/0xc0 [ 420.177196] ? wq_watchdog_touch+0x9c/0xfe [ 420.181464] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.187031] ? check_preemption_disabled+0x48/0x280 [ 420.192105] ? __lock_is_held+0xb5/0x140 [ 420.196196] __alloc_pages_nodemask+0xad8/0xea0 [ 420.200881] ? zap_class+0x640/0x640 [ 420.204621] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 420.209663] ? find_held_lock+0x36/0x1c0 [ 420.213749] ? ____cache_alloc_node+0x1c7/0x1e0 [ 420.218438] ? lock_downgrade+0x900/0x900 [ 420.222610] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.228170] cache_grow_begin+0xa5/0x8c0 [ 420.232248] ? do_raw_spin_unlock+0xa7/0x330 [ 420.236684] fallback_alloc+0x204/0x2e0 [ 420.240680] ____cache_alloc_node+0x1c7/0x1e0 [ 420.245202] kmem_cache_alloc_node+0xe3/0x730 [ 420.249719] ? ipv6_get_ifaddr+0x42e/0x620 [ 420.253984] __alloc_skb+0x119/0x770 [ 420.257716] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 420.263037] ? netdev_alloc_frag+0x1f0/0x1f0 [ 420.267480] ? lock_downgrade+0x900/0x900 [ 420.271657] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.277221] ? refcount_sub_and_test_checked+0x203/0x310 [ 420.282698] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 420.288171] ? addrconf_rs_timer+0x690/0x690 [ 420.292610] ndisc_alloc_skb+0x144/0x340 [ 420.296694] ndisc_send_rs+0x331/0x6e0 [ 420.300605] addrconf_rs_timer+0x314/0x690 [ 420.304861] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 420.309121] call_timer_fn+0x272/0x920 [ 420.313508] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 420.317759] ? process_timeout+0x40/0x40 [ 420.321836] ? __run_timers+0x7da/0xc70 [ 420.325824] ? _raw_spin_unlock_irq+0x27/0x80 [ 420.330333] ? _raw_spin_unlock_irq+0x27/0x80 [ 420.334846] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 420.339099] ? lockdep_hardirqs_on+0x296/0x5b0 [ 420.343699] ? trace_hardirqs_on+0xbd/0x310 [ 420.348036] ? kasan_check_read+0x11/0x20 [ 420.352212] ? __run_timers+0x7da/0xc70 [ 420.356201] ? trace_hardirqs_off_caller+0x310/0x310 [ 420.361329] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 420.365592] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 420.369840] __run_timers+0x7e5/0xc70 [ 420.373665] ? timer_fixup_init+0x70/0x70 [ 420.377833] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 420.382866] ? zap_class+0x640/0x640 [ 420.386602] ? enqueue_hrtimer+0x1a5/0x560 [ 420.390852] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 420.396075] ? find_held_lock+0x36/0x1c0 [ 420.400166] ? zap_class+0x640/0x640 [ 420.403900] ? pvclock_read_flags+0x160/0x160 [ 420.408422] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.413982] ? check_preemption_disabled+0x48/0x280 [ 420.419027] ? __lock_is_held+0xb5/0x140 [ 420.423120] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.428678] ? check_preemption_disabled+0x48/0x280 [ 420.433721] run_timer_softirq+0x52/0xb0 [ 420.437801] ? rcu_read_lock_sched_held+0x14f/0x180 [ 420.442837] __do_softirq+0x308/0xb7e [ 420.446663] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 420.451171] ? lock_downgrade+0x900/0x900 [ 420.455341] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 420.460497] ? pvclock_read_flags+0x160/0x160 [ 420.465013] ? lapic_next_event+0x5a/0x90 [ 420.469189] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.474749] ? kvm_clock_read+0x18/0x30 [ 420.478739] ? kvm_sched_clock_read+0x9/0x20 [ 420.483168] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.488725] ? check_preemption_disabled+0x48/0x280 [ 420.493767] irq_exit+0x17f/0x1c0 [ 420.497243] smp_apic_timer_interrupt+0x1cb/0x760 [ 420.502105] ? smp_reschedule_interrupt+0x109/0x650 [ 420.507143] ? smp_call_function_single_interrupt+0x650/0x650 [ 420.513054] ? interrupt_entry+0xb5/0xc0 [ 420.517153] ? trace_hardirqs_off_caller+0xbb/0x310 [ 420.522186] ? trace_hardirqs_off_caller+0xbb/0x310 [ 420.527219] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 420.532085] ? trace_hardirqs_on_caller+0x310/0x310 [ 420.537117] ? trace_hardirqs_on_caller+0x310/0x310 [ 420.542155] ? task_prio+0x50/0x50 [ 420.545713] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.551268] ? check_preemption_disabled+0x48/0x280 [ 420.556309] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 420.561177] apic_timer_interrupt+0xf/0x20 [ 420.565414] [ 420.567662] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 420.572604] Code: 7e 0f 85 cf fe ff ff e8 66 cb 3d ff e9 c5 fe ff ff e8 0d 01 c3 ff 48 83 3d a5 49 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 42 f3 [ 420.591524] RSP: 0018:ffff888195497718 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 420.599254] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 420.606545] RDX: 0000000000000000 RSI: ffff8881d2488b40 RDI: 0000000000000282 [ 420.613830] RBP: ffff888195497780 R08: ffff8881d24882c0 R09: 0000000000000000 [ 420.621117] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 420.628403] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020 [ 420.635737] skb_clone+0x1bb/0x500 [ 420.639300] ? skb_split+0x11e0/0x11e0 [ 420.643206] ? check_preemption_disabled+0x48/0x280 [ 420.648250] ? __this_cpu_preempt_check+0x1c/0x20 [ 420.653110] ? __bpf_redirect+0x55b/0xb60 [ 420.657275] ? __switch_to_asm+0x34/0x70 [ 420.661354] ? __switch_to_asm+0x40/0x70 [ 420.665436] bpf_clone_redirect+0xb9/0x490 [ 420.669695] bpf_prog_3d1649e183dc2cc1+0xaf9/0x1000 [ 420.674737] ? __sched_text_start+0x8/0x8 [ 420.678925] ? find_held_lock+0x36/0x1c0 [ 420.683012] ? lock_acquire+0x1ed/0x520 [ 420.687009] ? bpf_test_run+0x3cb/0x780 [ 420.691024] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.696587] ? check_preemption_disabled+0x48/0x280 [ 420.701626] ? kasan_check_read+0x11/0x20 [ 420.705791] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 420.711091] ? rcu_softirq_qs+0x20/0x20 [ 420.715088] ? preempt_schedule+0x4d/0x60 [ 420.719254] ? ___preempt_schedule+0x16/0x18 [ 420.723685] ? bpf_test_run+0x25d/0x780 [ 420.727684] ? netlink_diag_dump+0x2a0/0x2a0 [ 420.732107] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 420.737660] ? bpf_test_init.isra.10+0x70/0x100 [ 420.742352] ? bpf_prog_test_run_skb+0x73b/0xd10 [ 420.747150] ? bpf_test_finish.isra.9+0x260/0x260 [ 420.752011] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 420.757570] ? fput+0x130/0x1a0 [ 420.760868] ? __bpf_prog_get+0x9b/0x290 [ 420.764949] ? bpf_test_finish.isra.9+0x260/0x260 [ 420.769809] ? bpf_prog_test_run+0x130/0x1a0 [ 420.774232] ? __x64_sys_bpf+0x3db/0x520 [ 420.778305] ? bpf_prog_get+0x20/0x20 [ 420.782143] ? do_syscall_64+0x1b9/0x820 [ 420.786217] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 420.791614] ? syscall_return_slowpath+0x5e0/0x5e0 [ 420.796555] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 420.801414] ? trace_hardirqs_on_caller+0x310/0x310 [ 420.806449] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 420.811504] ? prepare_exit_to_usermode+0x291/0x3b0 [ 420.816593] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 420.821457] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 420.826853] CPU: 0 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #167 [ 420.826924] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 420.833878] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 420.833883] Call Trace: [ 420.833890] [ 420.833913] dump_stack+0x244/0x39d [ 420.833931] ? dump_stack_print_info.cold.1+0x20/0x20 [ 420.833956] warn_alloc.cold.116+0xb7/0x1bd [ 420.841066] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 420.849809] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 420.849830] ? lock_downgrade+0x900/0x900 [ 420.852582] syz-executor0 cpuset=syz0 mems_allowed=0 [ 420.854735] ? trace_hardirqs_off+0xb8/0x310 [ 420.854756] ? trace_hardirqs_off+0xb8/0x310 [ 420.901322] __alloc_pages_slowpath+0x2651/0x2de0 [ 420.906212] ? warn_alloc+0x120/0x120 [ 420.910033] ? print_usage_bug+0xc0/0xc0 [ 420.914120] ? warn_alloc+0x120/0x120 [ 420.917934] ? warn_alloc+0x120/0x120 [ 420.921746] ? print_usage_bug+0xc0/0xc0 [ 420.925824] ? print_usage_bug+0xc0/0xc0 [ 420.929895] ? __lock_acquire+0x62f/0x4c20 [ 420.934147] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 420.939700] ? should_fail+0x22d/0xd01 [ 420.943610] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 420.948734] ? __lock_acquire+0x62f/0x4c20 [ 420.952985] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 420.958100] ? __lock_acquire+0x62f/0x4c20 [ 420.962347] ? should_fail+0x22d/0xd01 [ 420.966247] ? find_held_lock+0x36/0x1c0 [ 420.970331] ? mark_held_locks+0x130/0x130 [ 420.974579] ? mark_held_locks+0x130/0x130 [ 420.978818] ? zap_class+0x640/0x640 [ 420.982554] ? zap_class+0x640/0x640 [ 420.986281] ? print_usage_bug+0xc0/0xc0 [ 420.990348] ? do_raw_spin_unlock+0xa7/0x330 [ 420.994765] ? zap_class+0x640/0x640 [ 420.998486] ? print_usage_bug+0xc0/0xc0 [ 421.002553] ? wq_watchdog_touch+0x9c/0xfe [ 421.006801] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.012360] ? check_preemption_disabled+0x48/0x280 [ 421.017401] ? __lock_is_held+0xb5/0x140 [ 421.021483] __alloc_pages_nodemask+0xad8/0xea0 [ 421.026161] ? zap_class+0x640/0x640 [ 421.029883] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 421.034918] ? find_held_lock+0x36/0x1c0 [ 421.038993] ? ____cache_alloc_node+0x1c7/0x1e0 [ 421.043674] ? lock_downgrade+0x900/0x900 [ 421.047835] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.053386] cache_grow_begin+0xa5/0x8c0 [ 421.057457] ? do_raw_spin_unlock+0xa7/0x330 [ 421.061880] fallback_alloc+0x204/0x2e0 [ 421.065867] ____cache_alloc_node+0x1c7/0x1e0 [ 421.070376] kmem_cache_alloc_node+0xe3/0x730 [ 421.074886] ? ipv6_get_ifaddr+0x42e/0x620 [ 421.079149] __alloc_skb+0x119/0x770 [ 421.082880] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 421.088185] ? netdev_alloc_frag+0x1f0/0x1f0 [ 421.092603] ? lock_downgrade+0x900/0x900 [ 421.096762] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.102313] ? refcount_sub_and_test_checked+0x203/0x310 [ 421.107778] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 421.113242] ? addrconf_rs_timer+0x690/0x690 [ 421.117669] ndisc_alloc_skb+0x144/0x340 [ 421.121741] ndisc_send_rs+0x331/0x6e0 [ 421.125636] addrconf_rs_timer+0x314/0x690 [ 421.129880] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 421.134128] call_timer_fn+0x272/0x920 [ 421.138021] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 421.142271] ? process_timeout+0x40/0x40 [ 421.146360] ? mark_held_locks+0xc7/0x130 [ 421.150515] ? _raw_spin_unlock_irq+0x27/0x80 [ 421.155013] ? _raw_spin_unlock_irq+0x27/0x80 [ 421.159520] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 421.163765] ? lockdep_hardirqs_on+0x296/0x5b0 [ 421.168361] ? trace_hardirqs_on+0xbd/0x310 [ 421.172695] ? kasan_check_read+0x11/0x20 [ 421.176851] ? __run_timers+0x7da/0xc70 [ 421.181311] ? trace_hardirqs_off_caller+0x310/0x310 [ 421.186430] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 421.190683] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 421.194922] __run_timers+0x7e5/0xc70 [ 421.198740] ? timer_fixup_init+0x70/0x70 [ 421.202901] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 421.207923] ? zap_class+0x640/0x640 [ 421.211646] ? print_usage_bug+0xc0/0xc0 [ 421.215716] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 421.220920] ? find_held_lock+0x36/0x1c0 [ 421.224993] ? zap_class+0x640/0x640 [ 421.228721] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.234275] ? check_preemption_disabled+0x48/0x280 [ 421.239309] ? __lock_is_held+0xb5/0x140 [ 421.243381] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.248933] ? check_preemption_disabled+0x48/0x280 [ 421.253965] run_timer_softirq+0x52/0xb0 [ 421.258029] ? rcu_read_lock_sched_held+0x14f/0x180 [ 421.263070] __do_softirq+0x308/0xb7e [ 421.266887] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 421.271393] ? lock_downgrade+0x900/0x900 [ 421.275556] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 421.280679] ? pvclock_read_flags+0x160/0x160 [ 421.285183] ? lapic_next_event+0x5a/0x90 [ 421.289340] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.294894] ? kvm_clock_read+0x18/0x30 [ 421.298875] ? kvm_sched_clock_read+0x9/0x20 [ 421.303297] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 421.308849] ? check_preemption_disabled+0x48/0x280 [ 421.313881] irq_exit+0x17f/0x1c0 [ 421.317343] smp_apic_timer_interrupt+0x1cb/0x760 [ 421.322189] ? smp_reschedule_interrupt+0x109/0x650 [ 421.327222] ? smp_call_function_single_interrupt+0x650/0x650 [ 421.333118] ? interrupt_entry+0xb5/0xc0 [ 421.337190] ? trace_hardirqs_off_caller+0xbb/0x310 [ 421.342217] ? trace_hardirqs_off_caller+0xbb/0x310 [ 421.347244] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 421.352101] ? trace_hardirqs_on_caller+0x310/0x310 [ 421.357123] ? trace_hardirqs_on_caller+0x310/0x310 [ 421.362162] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 421.367029] apic_timer_interrupt+0xf/0x20 [ 421.371270] [ 421.373515] RIP: 0010:dump_stack+0x358/0x39d [ 421.377932] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 f1 36 ed f9 48 83 3d f9 27 7c 01 00 0f 84 63 fe ff ff e8 6e b7 a9 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b b7 a9 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 421.396847] RSP: 0000:ffff8881bb40e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 421.404569] RAX: ffff8881c2208180 RBX: 1ffffffff12a3f6e RCX: 1ffff1103844114e [ 421.411852] RDX: 0000000000000000 RSI: ffffffff87d5d382 RDI: 0000000000000293 [ 421.419147] RBP: ffff8881bb40e290 R08: ffff8881c2208a70 R09: 0000000000000006 [ 421.426435] R10: 0000000000000000 R11: ffff8881c2208180 R12: 1ffff11037681c45 [ 421.433714] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 421.441022] ? dump_stack+0x34f/0x39d [ 421.444852] ? dump_stack_print_info.cold.1+0x20/0x20 [ 421.450063] ? mark_held_locks+0x130/0x130 [ 421.454304] ? mark_held_locks+0x130/0x130 [ 421.458550] dump_header+0x27b/0xf72 [ 421.462332] ? pagefault_out_of_memory+0x197/0x197 [ 421.467281] ? __lock_acquire+0x62f/0x4c20 [ 421.471529] ? percpu_ref_get_many+0x240/0x240 [ 421.476120] ? print_usage_bug+0xc0/0xc0 [ 421.480190] ? zap_class+0x640/0x640 [ 421.484026] ? print_usage_bug+0xc0/0xc0 [ 421.488096] ? print_usage_bug+0xc0/0xc0 [ 421.492166] ? zap_class+0x640/0x640 [ 421.495894] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.501454] ? find_held_lock+0x36/0x1c0 [ 421.505535] ? mark_held_locks+0xc7/0x130 [ 421.509692] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 421.514806] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 421.519919] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 421.524511] ? trace_hardirqs_on+0xbd/0x310 [ 421.528837] ? kasan_check_read+0x11/0x20 [ 421.532992] ? ___ratelimit+0x3b4/0x672 [ 421.536976] ? trace_hardirqs_off_caller+0x310/0x310 [ 421.542192] ? trace_hardirqs_on+0x310/0x310 [ 421.546605] ? lock_downgrade+0x900/0x900 [ 421.550764] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 421.555880] ? ___ratelimit+0x3b9/0x672 [ 421.559859] ? idr_get_free+0xf70/0xf70 [ 421.563839] ? find_held_lock+0x36/0x1c0 [ 421.567913] oom_kill_process.cold.27+0x10/0x903 [ 421.572678] ? zap_class+0x640/0x640 [ 421.576395] ? check_preemption_disabled+0x48/0x280 [ 421.581435] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 421.586373] ? kasan_check_read+0x11/0x20 [ 421.590534] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 421.595839] ? oom_evaluate_task+0x540/0x540 [ 421.600258] ? find_held_lock+0x36/0x1c0 [ 421.604332] ? out_of_memory+0x974/0x1430 [ 421.608491] ? lock_downgrade+0x900/0x900 [ 421.612659] ? check_preemption_disabled+0x48/0x280 [ 421.617686] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 421.622623] ? kasan_check_read+0x11/0x20 [ 421.626778] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 421.632070] ? rcu_softirq_qs+0x20/0x20 [ 421.636069] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 421.641616] ? oom_evaluate_task+0x302/0x540 [ 421.646037] out_of_memory+0xa84/0x1430 [ 421.650032] ? oom_killer_disable+0x3a0/0x3a0 [ 421.654558] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 421.659499] ? __ww_mutex_check_waiters+0x160/0x160 [ 421.664536] __alloc_pages_slowpath+0x232c/0x2de0 [ 421.669424] ? warn_alloc+0x120/0x120 [ 421.673232] ? mark_held_locks+0x130/0x130 [ 421.677479] ? find_get_entry+0xaae/0x1120 [ 421.681732] ? filemap_map_pages+0x1a20/0x1a20 [ 421.686344] ? zap_class+0x640/0x640 [ 421.690079] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.695632] ? check_preemption_disabled+0x48/0x280 [ 421.700657] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 421.706203] ? should_fail+0x22d/0xd01 [ 421.710103] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 421.715217] ? zap_class+0x640/0x640 [ 421.718963] ? __lock_is_held+0xb5/0x140 [ 421.723039] ? mark_held_locks+0x130/0x130 [ 421.727292] ? lock_release+0xa00/0xa00 [ 421.731274] ? perf_trace_sched_process_exec+0x860/0x860 [ 421.736730] ? xa_load+0x2ba/0x460 [ 421.740300] ? lock_downgrade+0x900/0x900 [ 421.744462] ? __might_sleep+0x95/0x190 [ 421.748451] __alloc_pages_nodemask+0xad8/0xea0 [ 421.753138] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 421.758160] ? __page_cache_alloc+0x191/0x5c0 [ 421.762658] ? xa_load+0x2e1/0x460 [ 421.766202] ? xa_clear_mark+0x40/0x40 [ 421.770101] ? zap_class+0x640/0x640 [ 421.773828] ? zap_class+0x640/0x640 [ 421.777545] ? zap_class+0x640/0x640 [ 421.781261] ? __do_page_cache_readahead+0x663/0x810 [ 421.786380] ? find_held_lock+0x36/0x1c0 [ 421.790457] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 421.796013] alloc_pages_current+0x173/0x350 [ 421.800445] __page_cache_alloc+0x38c/0x5c0 [ 421.804772] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 421.809710] ? kasan_check_read+0x11/0x20 [ 421.813865] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 421.819157] ? generic_perform_write+0x6a0/0x6a0 [ 421.823921] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 421.829473] ? check_preemption_disabled+0x48/0x280 [ 421.834505] filemap_fault+0x1595/0x25f0 [ 421.838584] ? __lock_page_or_retry+0xa00/0xa00 [ 421.843264] ? mark_held_locks+0x130/0x130 [ 421.847515] ? filemap_map_pages+0xd6b/0x1a20 [ 421.852019] ? lock_downgrade+0x900/0x900 [ 421.856180] ? check_preemption_disabled+0x48/0x280 [ 421.861212] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 421.866149] ? kasan_check_read+0x11/0x20 [ 421.870327] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 421.875618] ? rcu_softirq_qs+0x20/0x20 [ 421.879617] ? filemap_map_pages+0xd92/0x1a20 [ 421.884134] ? find_get_entries_tag+0x1400/0x1400 [ 421.888992] ? debug_object_destroy+0x2b0/0x2b0 [ 421.893671] ? lock_pi_update_atomic+0x150/0x150 [ 421.898453] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.904013] ? lock_acquire+0x1ed/0x520 [ 421.907997] ? ext4_filemap_fault+0x7a/0xad [ 421.912347] ? lock_release+0xa00/0xa00 [ 421.916326] ? perf_trace_sched_process_exec+0x860/0x860 [ 421.921790] ? print_usage_bug+0xc0/0xc0 [ 421.925856] ? print_usage_bug+0xc0/0xc0 [ 421.929935] ? down_read+0x8d/0x120 [ 421.933567] ? ext4_filemap_fault+0x7a/0xad [ 421.937894] ? __down_interruptible+0x700/0x700 [ 421.942580] ext4_filemap_fault+0x82/0xad [ 421.946741] __do_fault+0x100/0x6b0 [ 421.950369] ? find_held_lock+0x36/0x1c0 [ 421.954437] ? pmd_devmap_trans_unstable+0x220/0x220 [ 421.959551] ? mark_held_locks+0x130/0x130 [ 421.963789] ? mark_held_locks+0x130/0x130 [ 421.968032] ? debug_smp_processor_id+0x1c/0x20 [ 421.972712] ? perf_trace_lock+0x14d/0x7a0 [ 421.977003] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 421.982558] __handle_mm_fault+0x3ea0/0x5be0 [ 421.986986] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 421.991834] ? lock_is_held_type+0x210/0x210 [ 421.996256] ? __switch_to_asm+0x34/0x70 [ 422.000318] ? __switch_to_asm+0x34/0x70 [ 422.004400] ? zap_class+0x640/0x640 [ 422.008129] ? zap_class+0x640/0x640 [ 422.011844] ? __x64_sys_futex+0x53e/0x6a0 [ 422.016093] ? find_held_lock+0x36/0x1c0 [ 422.020170] ? handle_mm_fault+0x42a/0xc70 [ 422.024417] ? lock_downgrade+0x900/0x900 [ 422.028571] ? check_preemption_disabled+0x48/0x280 [ 422.033596] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 422.038528] ? kasan_check_read+0x11/0x20 [ 422.042691] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 422.047972] ? rcu_softirq_qs+0x20/0x20 [ 422.051948] ? trace_hardirqs_off_caller+0x310/0x310 [ 422.057071] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 422.062624] ? check_preemption_disabled+0x48/0x280 [ 422.067663] handle_mm_fault+0x54f/0xc70 [ 422.071735] ? __handle_mm_fault+0x5be0/0x5be0 [ 422.076350] ? find_vma+0x34/0x190 [ 422.079915] __do_page_fault+0x5e8/0xe60 [ 422.083983] ? trace_hardirqs_off+0xb8/0x310 [ 422.088419] do_page_fault+0xf2/0x7e0 [ 422.092226] ? vmalloc_sync_all+0x30/0x30 [ 422.096380] ? error_entry+0x70/0xd0 [ 422.100109] ? trace_hardirqs_off_caller+0xbb/0x310 [ 422.105132] ? trace_hardirqs_on_caller+0xc0/0x310 [ 422.110075] ? syscall_return_slowpath+0x5e0/0x5e0 [ 422.115011] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 422.119870] ? trace_hardirqs_on_caller+0x310/0x310 [ 422.124895] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 422.130367] ? prepare_exit_to_usermode+0x291/0x3b0 [ 422.135393] ? page_fault+0x8/0x30 [ 422.138947] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 422.143808] ? page_fault+0x8/0x30 [ 422.147359] page_fault+0x1e/0x30 [ 422.150813] RIP: 0033:0x45ddf3 [ 422.154018] Code: Bad RIP value. [ 422.157389] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 422.162759] RAX: ffffffffffffff92 RBX: 0000000028898d51 RCX: 000000000045ddf3 [ 422.170040] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014f1120 [ 422.177329] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 422.184608] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 422.191884] R13: 000000c42841fe60 R14: 0000000000000001 R15: 0000000000000000 [ 422.199186] warn_alloc_show_mem: 1 callbacks suppressed [ 422.199199] CPU: 1 PID: 16798 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #167 [ 422.199201] Mem-Info: [ 422.199232] active_anon:45985 inactive_anon:296 isolated_anon:0 [ 422.199232] active_file:15 inactive_file:8 isolated_file:0 [ 422.199232] unevictable:0 dirty:0 writeback:0 unstable:0 [ 422.199232] slab_reclaimable:9236 slab_unreclaimable:1461135 [ 422.199232] mapped:40979 shmem:353 pagetables:587 bounce:0 [ 422.199232] free:13771 free_pcp:249 free_cma:0 [ 422.204572] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 422.204582] Call Trace: [ 422.211961] Node 0 active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1412kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 422.214363] [ 422.247160] 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 [ 422.256537] dump_stack+0x244/0x39d [ 422.259100] lowmem_reserve[]: 0 2818 6321 6321 [ 422.287306] ? dump_stack_print_info.cold.1+0x20/0x20 [ 422.289433] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:404kB local_pcp:156kB free_cma:0kB [ 422.316042] warn_alloc.cold.116+0xb7/0x1bd [ 422.319663] lowmem_reserve[]: 0 0 3503 3503 [ 422.324254] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 422.329429] Node 0 Normal free:14000kB min:37364kB low:46704kB high:56044kB active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2348kB bounce:0kB free_pcp:592kB local_pcp:388kB free_cma:0kB [ 422.356949] ? lock_downgrade+0x900/0x900 [ 422.361270] lowmem_reserve[]: 0 0 0 0 [ 422.365607] ? trace_hardirqs_off+0xb8/0x310 [ 422.370429] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 422.400090] ? trace_hardirqs_off+0xb8/0x310 [ 422.404221] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 2*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 422.408027] ? noop_count+0x40/0x40 [ 422.412415] Node 0 Normal: 794*4kB (MEH) 441*8kB (UMEH) 176*16kB (UME) 69*32kB (UMEH) 18*64kB (UM) 1*128kB (U) 2*256kB (U) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14032kB [ 422.425956] __alloc_pages_slowpath+0x2651/0x2de0 [ 422.430354] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 422.445455] ? check_usage+0x1aa/0x790 [ 422.449064] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 422.464505] ? warn_alloc+0x120/0x120 [ 422.469336] 376 total pagecache pages [ 422.478183] ? warn_alloc+0x120/0x120 [ 422.482065] 0 pages in swap cache [ 422.490659] ? __bfs+0xb0/0x780 [ 422.494447] Swap cache stats: add 0, delete 0, find 0/0 [ 422.498249] ? warn_alloc+0x120/0x120 [ 422.502030] Free swap = 0kB [ 422.505494] ? print_usage_bug+0xc0/0xc0 [ 422.508742] Total swap = 0kB [ 422.508750] 1965979 pages RAM [ 422.514130] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 422.517899] 0 pages HighMem/MovableOnly [ 422.520928] ? should_fail+0x22d/0xd01 [ 422.524952] 342854 pages reserved [ 422.524961] 0 pages cma reserved [ 422.527988] ? trace_event_raw_event_lock_acquire+0x440/0x440 [ 422.531137] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 422.536610] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 422.540680] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 422.544458] ? __lock_acquire+0x62f/0x4c20 [ 422.547918] syz-fuzzer cpuset=/ mems_allowed=0 [ 422.551291] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 422.592918] ? should_fail+0x22d/0xd01 [ 422.596838] ? mark_held_locks+0x130/0x130 [ 422.601103] ? mark_held_locks+0x130/0x130 [ 422.605353] ? print_usage_bug+0xc0/0xc0 [ 422.609436] ? find_held_lock+0x36/0x1c0 [ 422.613519] ? zap_class+0x640/0x640 [ 422.617265] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.622820] ? check_preemption_disabled+0x48/0x280 [ 422.627863] ? __lock_is_held+0xb5/0x140 [ 422.631952] __alloc_pages_nodemask+0xad8/0xea0 [ 422.636637] ? zap_class+0x640/0x640 [ 422.640378] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 422.645420] ? find_held_lock+0x36/0x1c0 [ 422.649504] ? ____cache_alloc_node+0x1c7/0x1e0 [ 422.654193] ? lock_downgrade+0x900/0x900 [ 422.658366] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.663933] cache_grow_begin+0xa5/0x8c0 [ 422.668010] ? do_raw_spin_unlock+0xa7/0x330 [ 422.672449] fallback_alloc+0x204/0x2e0 [ 422.676451] ____cache_alloc_node+0x1c7/0x1e0 [ 422.680977] kmem_cache_alloc_node+0xe3/0x730 [ 422.685494] ? mark_held_locks+0xc7/0x130 [ 422.689668] __alloc_skb+0x119/0x770 [ 422.693404] ? netdev_alloc_frag+0x1f0/0x1f0 [ 422.697829] ? do_raw_spin_trylock+0x270/0x270 [ 422.702432] ? kmem_cache_alloc_trace+0x353/0x750 [ 422.707294] ? queue_work_on+0x12c/0x1e0 [ 422.711382] ? switchdev_port_obj_del+0xe3/0x450 [ 422.716153] ? switchdev_trans_item_enqueue+0x260/0x260 [ 422.721531] ? mod_timer+0x631/0x1560 [ 422.725345] ? wake_up_klogd+0x180/0x180 [ 422.729421] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 422.734522] __br_mdb_notify+0x4ff/0x15d0 [ 422.738709] ? __br_mdb_add+0x7f0/0x7f0 [ 422.742711] ? zap_class+0x640/0x640 [ 422.746491] ? br_multicast_group_expired+0x96/0x610 [ 422.751621] br_mdb_notify+0x310/0x410 [ 422.755526] ? br_mdb_dump+0x27b0/0x27b0 [ 422.759605] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.765169] br_multicast_group_expired+0x1bc/0x610 [ 422.770209] ? br_mdb_free+0x80/0x80 [ 422.773952] call_timer_fn+0x272/0x920 [ 422.777854] ? br_mdb_free+0x80/0x80 [ 422.781584] ? process_timeout+0x40/0x40 [ 422.785667] ? __run_timers+0x7da/0xc70 [ 422.789658] ? _raw_spin_unlock_irq+0x27/0x80 [ 422.794170] ? _raw_spin_unlock_irq+0x27/0x80 [ 422.798677] ? br_mdb_free+0x80/0x80 [ 422.802407] ? lockdep_hardirqs_on+0x296/0x5b0 [ 422.807009] ? trace_hardirqs_on+0xbd/0x310 [ 422.811362] ? kasan_check_read+0x11/0x20 [ 422.815520] ? __run_timers+0x7da/0xc70 [ 422.819506] ? trace_hardirqs_off_caller+0x310/0x310 [ 422.824628] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 422.828883] ? br_mdb_free+0x80/0x80 [ 422.832613] __run_timers+0x7e5/0xc70 [ 422.836437] ? timer_fixup_init+0x70/0x70 [ 422.840601] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 422.845629] ? zap_class+0x640/0x640 [ 422.849359] ? enqueue_hrtimer+0x1a5/0x560 [ 422.853607] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 422.858814] ? find_held_lock+0x36/0x1c0 [ 422.862890] ? zap_class+0x640/0x640 [ 422.866619] ? pvclock_read_flags+0x160/0x160 [ 422.871132] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.876697] ? check_preemption_disabled+0x48/0x280 [ 422.881741] ? __lock_is_held+0xb5/0x140 [ 422.885818] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.891371] ? check_preemption_disabled+0x48/0x280 [ 422.896404] run_timer_softirq+0x52/0xb0 [ 422.900478] ? rcu_read_lock_sched_held+0x14f/0x180 [ 422.905510] __do_softirq+0x308/0xb7e [ 422.909327] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 422.913836] ? lock_downgrade+0x900/0x900 [ 422.918007] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 422.923131] ? pvclock_read_flags+0x160/0x160 [ 422.927642] ? lapic_next_event+0x5a/0x90 [ 422.931809] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.937364] ? kvm_clock_read+0x18/0x30 [ 422.941352] ? kvm_sched_clock_read+0x9/0x20 [ 422.945775] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.951330] ? check_preemption_disabled+0x48/0x280 [ 422.956370] irq_exit+0x17f/0x1c0 [ 422.959839] smp_apic_timer_interrupt+0x1cb/0x760 [ 422.964694] ? smp_reschedule_interrupt+0x109/0x650 [ 422.969725] ? smp_call_function_single_interrupt+0x650/0x650 [ 422.975630] ? interrupt_entry+0xb5/0xc0 [ 422.979714] ? trace_hardirqs_off_caller+0xbb/0x310 [ 422.984744] ? trace_hardirqs_off_caller+0xbb/0x310 [ 422.989783] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 422.994642] ? trace_hardirqs_on_caller+0x310/0x310 [ 422.999673] ? trace_hardirqs_on_caller+0x310/0x310 [ 423.004701] ? task_prio+0x50/0x50 [ 423.008267] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.013822] ? check_preemption_disabled+0x48/0x280 [ 423.018863] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 423.023732] apic_timer_interrupt+0xf/0x20 [ 423.027969] [ 423.030218] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 423.035161] Code: 7e 0f 85 cf fe ff ff e8 66 cb 3d ff e9 c5 fe ff ff e8 0d 01 c3 ff 48 83 3d a5 49 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 42 f3 [ 423.054093] RSP: 0018:ffff888195497718 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 423.061820] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 423.069109] RDX: 0000000000000000 RSI: ffff8881d2488b40 RDI: 0000000000000282 [ 423.076395] RBP: ffff888195497780 R08: ffff8881d24882c0 R09: 0000000000000000 [ 423.083678] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 423.090959] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020 [ 423.098292] skb_clone+0x1bb/0x500 [ 423.101854] ? skb_split+0x11e0/0x11e0 [ 423.105756] ? check_preemption_disabled+0x48/0x280 [ 423.110804] ? __this_cpu_preempt_check+0x1c/0x20 [ 423.115665] ? __bpf_redirect+0x55b/0xb60 [ 423.119826] ? __switch_to_asm+0x34/0x70 [ 423.123901] ? __switch_to_asm+0x40/0x70 [ 423.127984] bpf_clone_redirect+0xb9/0x490 [ 423.132252] bpf_prog_3d1649e183dc2cc1+0xaf9/0x1000 [ 423.137290] ? __sched_text_start+0x8/0x8 [ 423.141468] ? find_held_lock+0x36/0x1c0 [ 423.145551] ? lock_acquire+0x1ed/0x520 [ 423.149536] ? bpf_test_run+0x3cb/0x780 [ 423.153522] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.159084] ? check_preemption_disabled+0x48/0x280 [ 423.164123] ? kasan_check_read+0x11/0x20 [ 423.168287] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 423.173592] ? rcu_softirq_qs+0x20/0x20 [ 423.177583] ? preempt_schedule+0x4d/0x60 [ 423.182096] ? ___preempt_schedule+0x16/0x18 [ 423.186526] ? bpf_test_run+0x25d/0x780 [ 423.190523] ? netlink_diag_dump+0x2a0/0x2a0 [ 423.194950] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.200502] ? bpf_test_init.isra.10+0x70/0x100 [ 423.205188] ? bpf_prog_test_run_skb+0x73b/0xd10 [ 423.209966] ? bpf_test_finish.isra.9+0x260/0x260 [ 423.214818] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 423.220371] ? fput+0x130/0x1a0 [ 423.223665] ? __bpf_prog_get+0x9b/0x290 [ 423.227739] ? bpf_test_finish.isra.9+0x260/0x260 [ 423.232603] ? bpf_prog_test_run+0x130/0x1a0 [ 423.237028] ? __x64_sys_bpf+0x3db/0x520 [ 423.241104] ? bpf_prog_get+0x20/0x20 [ 423.244939] ? do_syscall_64+0x1b9/0x820 [ 423.249013] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 423.254413] ? syscall_return_slowpath+0x5e0/0x5e0 [ 423.259351] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 423.264207] ? trace_hardirqs_on_caller+0x310/0x310 [ 423.269238] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 423.274271] ? prepare_exit_to_usermode+0x291/0x3b0 [ 423.279306] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 423.284169] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 423.289566] CPU: 0 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #167 [ 423.290211] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 423.296591] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 423.296601] Call Trace: [ 423.307092] syz-executor0 cpuset=syz0 mems_allowed=0 [ 423.316451] [ 423.326279] dump_stack+0x244/0x39d [ 423.329921] ? dump_stack_print_info.cold.1+0x20/0x20 [ 423.335134] warn_alloc.cold.116+0xb7/0x1bd [ 423.339464] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 423.344319] ? lock_downgrade+0x900/0x900 [ 423.348491] ? trace_hardirqs_off+0xb8/0x310 [ 423.352914] ? trace_hardirqs_off+0xb8/0x310 [ 423.357342] __alloc_pages_slowpath+0x2651/0x2de0 [ 423.362221] ? warn_alloc+0x120/0x120 [ 423.366027] ? print_usage_bug+0xc0/0xc0 [ 423.370106] ? warn_alloc+0x120/0x120 [ 423.374254] ? warn_alloc+0x120/0x120 [ 423.378068] ? print_usage_bug+0xc0/0xc0 [ 423.382139] ? kvm_clock_read+0x18/0x30 [ 423.386117] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 423.391145] ? print_usage_bug+0xc0/0xc0 [ 423.395213] ? __lock_acquire+0x62f/0x4c20 [ 423.399459] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.405010] ? should_fail+0x22d/0xd01 [ 423.408917] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 423.414206] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 423.419318] ? __lock_acquire+0x62f/0x4c20 [ 423.423575] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 423.428686] ? __lock_acquire+0x62f/0x4c20 [ 423.432927] ? should_fail+0x22d/0xd01 [ 423.436821] ? rcu_irq_exit+0x1a2/0x390 [ 423.440811] ? mark_held_locks+0x130/0x130 [ 423.445068] ? mark_held_locks+0x130/0x130 [ 423.449318] ? mark_held_locks+0xc7/0x130 [ 423.453476] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 423.458525] ? zap_class+0x640/0x640 [ 423.462253] ? print_usage_bug+0xc0/0xc0 [ 423.466323] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.471871] ? check_preemption_disabled+0x48/0x280 [ 423.476904] ? __lock_is_held+0xb5/0x140 [ 423.480978] __alloc_pages_nodemask+0xad8/0xea0 [ 423.485662] ? zap_class+0x640/0x640 [ 423.489385] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 423.494431] ? find_held_lock+0x36/0x1c0 [ 423.498508] ? ____cache_alloc_node+0x1c7/0x1e0 [ 423.503190] ? lock_downgrade+0x900/0x900 [ 423.507351] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.512907] cache_grow_begin+0xa5/0x8c0 [ 423.516973] ? do_raw_spin_unlock+0xa7/0x330 [ 423.521401] fallback_alloc+0x204/0x2e0 [ 423.525396] ____cache_alloc_node+0x1c7/0x1e0 [ 423.529908] kmem_cache_alloc_node+0xe3/0x730 [ 423.534417] ? ipv6_get_ifaddr+0x42e/0x620 [ 423.538672] __alloc_skb+0x119/0x770 [ 423.542395] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 423.547719] ? netdev_alloc_frag+0x1f0/0x1f0 [ 423.552143] ? lock_downgrade+0x900/0x900 [ 423.556310] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.561863] ? refcount_sub_and_test_checked+0x203/0x310 [ 423.567347] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 423.572813] ? addrconf_rs_timer+0x690/0x690 [ 423.577254] ndisc_alloc_skb+0x144/0x340 [ 423.581331] ndisc_send_rs+0x331/0x6e0 [ 423.585231] addrconf_rs_timer+0x314/0x690 [ 423.589481] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 423.593737] call_timer_fn+0x272/0x920 [ 423.597629] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 423.601871] ? process_timeout+0x40/0x40 [ 423.605948] ? mark_held_locks+0xc7/0x130 [ 423.610109] ? _raw_spin_unlock_irq+0x27/0x80 [ 423.614608] ? _raw_spin_unlock_irq+0x27/0x80 [ 423.619108] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 423.623351] ? lockdep_hardirqs_on+0x296/0x5b0 [ 423.627940] ? trace_hardirqs_on+0xbd/0x310 [ 423.632269] ? kasan_check_read+0x11/0x20 [ 423.636428] ? __run_timers+0x7da/0xc70 [ 423.640416] ? trace_hardirqs_off_caller+0x310/0x310 [ 423.645536] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 423.649781] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 423.654020] __run_timers+0x7e5/0xc70 [ 423.657847] ? timer_fixup_init+0x70/0x70 [ 423.662014] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 423.667061] ? zap_class+0x640/0x640 [ 423.670795] ? print_usage_bug+0xc0/0xc0 [ 423.674869] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 423.680083] ? find_held_lock+0x36/0x1c0 [ 423.684162] ? zap_class+0x640/0x640 [ 423.687886] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.693438] ? check_preemption_disabled+0x48/0x280 [ 423.698471] ? __lock_is_held+0xb5/0x140 [ 423.702540] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.708094] ? check_preemption_disabled+0x48/0x280 [ 423.713122] run_timer_softirq+0x52/0xb0 [ 423.717192] ? rcu_read_lock_sched_held+0x14f/0x180 [ 423.722220] __do_softirq+0x308/0xb7e [ 423.726034] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 423.730539] ? lock_downgrade+0x900/0x900 [ 423.734700] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 423.739824] ? pvclock_read_flags+0x160/0x160 [ 423.744327] ? lapic_next_event+0x5a/0x90 [ 423.748483] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.754037] ? kvm_clock_read+0x18/0x30 [ 423.758023] ? kvm_sched_clock_read+0x9/0x20 [ 423.762453] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.768038] ? check_preemption_disabled+0x48/0x280 [ 423.773086] irq_exit+0x17f/0x1c0 [ 423.776548] smp_apic_timer_interrupt+0x1cb/0x760 [ 423.781395] ? smp_reschedule_interrupt+0x109/0x650 [ 423.786426] ? smp_call_function_single_interrupt+0x650/0x650 [ 423.792319] ? interrupt_entry+0xb5/0xc0 [ 423.796390] ? trace_hardirqs_off_caller+0xbb/0x310 [ 423.801419] ? trace_hardirqs_off_caller+0xbb/0x310 [ 423.806446] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 423.811300] ? trace_hardirqs_on_caller+0x310/0x310 [ 423.816321] ? trace_hardirqs_on_caller+0x310/0x310 [ 423.821360] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 423.826221] apic_timer_interrupt+0xf/0x20 [ 423.830464] [ 423.832712] RIP: 0010:dump_stack+0x358/0x39d [ 423.837124] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 f1 36 ed f9 48 83 3d f9 27 7c 01 00 0f 84 63 fe ff ff e8 6e b7 a9 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b b7 a9 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 423.856041] RSP: 0000:ffff8881bb40e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 423.863774] RAX: ffff8881c2208180 RBX: 1ffffffff12a3f6e RCX: 1ffff1103844114e [ 423.871078] RDX: 0000000000000000 RSI: ffffffff87d5d382 RDI: 0000000000000293 [ 423.878363] RBP: ffff8881bb40e290 R08: ffff8881c2208a70 R09: 0000000000000006 [ 423.885643] R10: 0000000000000000 R11: ffff8881c2208180 R12: 1ffff11037681c45 [ 423.892922] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 423.900232] ? dump_stack+0x34f/0x39d [ 423.904063] ? dump_stack_print_info.cold.1+0x20/0x20 [ 423.909271] ? mark_held_locks+0x130/0x130 [ 423.913509] ? mark_held_locks+0x130/0x130 [ 423.917759] dump_header+0x27b/0xf72 [ 423.921495] ? pagefault_out_of_memory+0x197/0x197 [ 423.926448] ? __lock_acquire+0x62f/0x4c20 [ 423.930690] ? percpu_ref_get_many+0x240/0x240 [ 423.935287] ? print_usage_bug+0xc0/0xc0 [ 423.939357] ? zap_class+0x640/0x640 [ 423.943086] ? print_usage_bug+0xc0/0xc0 [ 423.947153] ? print_usage_bug+0xc0/0xc0 [ 423.951220] ? zap_class+0x640/0x640 [ 423.954945] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.960511] ? find_held_lock+0x36/0x1c0 [ 423.964594] ? mark_held_locks+0xc7/0x130 [ 423.968748] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 423.973855] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 423.978964] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 423.983552] ? trace_hardirqs_on+0xbd/0x310 [ 423.987881] ? kasan_check_read+0x11/0x20 [ 423.992039] ? ___ratelimit+0x3b4/0x672 [ 423.996031] ? trace_hardirqs_off_caller+0x310/0x310 [ 424.001152] ? trace_hardirqs_on+0x310/0x310 [ 424.005570] ? lock_downgrade+0x900/0x900 [ 424.009732] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 424.014847] ? ___ratelimit+0x3b9/0x672 [ 424.018830] ? idr_get_free+0xf70/0xf70 [ 424.022811] ? find_held_lock+0x36/0x1c0 [ 424.026884] oom_kill_process.cold.27+0x10/0x903 [ 424.031649] ? zap_class+0x640/0x640 [ 424.035367] ? check_preemption_disabled+0x48/0x280 [ 424.040393] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 424.045348] ? kasan_check_read+0x11/0x20 [ 424.049501] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 424.054793] ? oom_evaluate_task+0x540/0x540 [ 424.059210] ? find_held_lock+0x36/0x1c0 [ 424.063289] ? out_of_memory+0x974/0x1430 [ 424.067455] ? lock_downgrade+0x900/0x900 [ 424.071606] ? check_preemption_disabled+0x48/0x280 [ 424.076631] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 424.081563] ? kasan_check_read+0x11/0x20 [ 424.085718] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 424.091003] ? rcu_softirq_qs+0x20/0x20 [ 424.094986] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 424.100547] ? oom_evaluate_task+0x302/0x540 [ 424.104968] out_of_memory+0xa84/0x1430 [ 424.108954] ? oom_killer_disable+0x3a0/0x3a0 [ 424.113468] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 424.118418] ? __ww_mutex_check_waiters+0x160/0x160 [ 424.123458] __alloc_pages_slowpath+0x232c/0x2de0 [ 424.128338] ? warn_alloc+0x120/0x120 [ 424.132144] ? mark_held_locks+0x130/0x130 [ 424.136387] ? find_get_entry+0xaae/0x1120 [ 424.140636] ? filemap_map_pages+0x1a20/0x1a20 [ 424.145227] ? zap_class+0x640/0x640 [ 424.148956] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.154509] ? check_preemption_disabled+0x48/0x280 [ 424.159552] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 424.165102] ? should_fail+0x22d/0xd01 [ 424.169001] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 424.174116] ? zap_class+0x640/0x640 [ 424.177870] ? __lock_is_held+0xb5/0x140 [ 424.182075] ? mark_held_locks+0x130/0x130 [ 424.186318] ? lock_release+0xa00/0xa00 [ 424.190298] ? perf_trace_sched_process_exec+0x860/0x860 [ 424.195754] ? xa_load+0x2ba/0x460 [ 424.199301] ? lock_downgrade+0x900/0x900 [ 424.203465] ? __might_sleep+0x95/0x190 [ 424.207451] __alloc_pages_nodemask+0xad8/0xea0 [ 424.212135] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 424.217160] ? __page_cache_alloc+0x191/0x5c0 [ 424.221660] ? xa_load+0x2e1/0x460 [ 424.225209] ? xa_clear_mark+0x40/0x40 [ 424.229107] ? zap_class+0x640/0x640 [ 424.232833] ? zap_class+0x640/0x640 [ 424.236555] ? zap_class+0x640/0x640 [ 424.240271] ? __do_page_cache_readahead+0x663/0x810 [ 424.245391] ? find_held_lock+0x36/0x1c0 [ 424.249478] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 424.255034] alloc_pages_current+0x173/0x350 [ 424.259463] __page_cache_alloc+0x38c/0x5c0 [ 424.263791] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 424.268727] ? kasan_check_read+0x11/0x20 [ 424.272880] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 424.278168] ? generic_perform_write+0x6a0/0x6a0 [ 424.282932] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 424.288481] ? check_preemption_disabled+0x48/0x280 [ 424.293511] filemap_fault+0x1595/0x25f0 [ 424.297590] ? __lock_page_or_retry+0xa00/0xa00 [ 424.302276] ? mark_held_locks+0x130/0x130 [ 424.306523] ? filemap_map_pages+0xd6b/0x1a20 [ 424.311130] ? lock_downgrade+0x900/0x900 [ 424.315282] ? check_preemption_disabled+0x48/0x280 [ 424.320304] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 424.325245] ? kasan_check_read+0x11/0x20 [ 424.329397] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 424.334684] ? rcu_softirq_qs+0x20/0x20 [ 424.338675] ? filemap_map_pages+0xd92/0x1a20 [ 424.343193] ? find_get_entries_tag+0x1400/0x1400 [ 424.348055] ? debug_object_destroy+0x2b0/0x2b0 [ 424.352738] ? lock_pi_update_atomic+0x150/0x150 [ 424.357503] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.363071] ? lock_acquire+0x1ed/0x520 [ 424.367061] ? ext4_filemap_fault+0x7a/0xad [ 424.371396] ? lock_release+0xa00/0xa00 [ 424.375384] ? perf_trace_sched_process_exec+0x860/0x860 [ 424.380860] ? print_usage_bug+0xc0/0xc0 [ 424.384928] ? print_usage_bug+0xc0/0xc0 [ 424.389005] ? down_read+0x8d/0x120 [ 424.392643] ? ext4_filemap_fault+0x7a/0xad [ 424.396976] ? __down_interruptible+0x700/0x700 [ 424.401663] ext4_filemap_fault+0x82/0xad [ 424.405820] __do_fault+0x100/0x6b0 [ 424.409455] ? find_held_lock+0x36/0x1c0 [ 424.413526] ? pmd_devmap_trans_unstable+0x220/0x220 [ 424.418647] ? mark_held_locks+0x130/0x130 [ 424.422887] ? mark_held_locks+0x130/0x130 [ 424.427135] ? debug_smp_processor_id+0x1c/0x20 [ 424.431809] ? perf_trace_lock+0x14d/0x7a0 [ 424.436063] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 424.441613] __handle_mm_fault+0x3ea0/0x5be0 [ 424.446038] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 424.450896] ? lock_is_held_type+0x210/0x210 [ 424.455314] ? __switch_to_asm+0x34/0x70 [ 424.459376] ? __switch_to_asm+0x34/0x70 [ 424.463461] ? zap_class+0x640/0x640 [ 424.467191] ? zap_class+0x640/0x640 [ 424.470911] ? __x64_sys_futex+0x53e/0x6a0 [ 424.475156] ? find_held_lock+0x36/0x1c0 [ 424.479234] ? handle_mm_fault+0x42a/0xc70 [ 424.483476] ? lock_downgrade+0x900/0x900 [ 424.487637] ? check_preemption_disabled+0x48/0x280 [ 424.492669] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 424.497604] ? kasan_check_read+0x11/0x20 [ 424.501763] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 424.507061] ? rcu_softirq_qs+0x20/0x20 [ 424.511045] ? trace_hardirqs_off_caller+0x310/0x310 [ 424.516177] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 424.521721] ? check_preemption_disabled+0x48/0x280 [ 424.526772] handle_mm_fault+0x54f/0xc70 [ 424.530854] ? __handle_mm_fault+0x5be0/0x5be0 [ 424.535465] ? find_vma+0x34/0x190 [ 424.539019] __do_page_fault+0x5e8/0xe60 [ 424.543093] ? trace_hardirqs_off+0xb8/0x310 [ 424.547522] do_page_fault+0xf2/0x7e0 [ 424.551344] ? vmalloc_sync_all+0x30/0x30 [ 424.555511] ? error_entry+0x70/0xd0 [ 424.559245] ? trace_hardirqs_off_caller+0xbb/0x310 [ 424.564284] ? trace_hardirqs_on_caller+0xc0/0x310 [ 424.569244] ? syscall_return_slowpath+0x5e0/0x5e0 [ 424.574201] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 424.579078] ? trace_hardirqs_on_caller+0x310/0x310 [ 424.584124] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 424.589593] ? prepare_exit_to_usermode+0x291/0x3b0 [ 424.594624] ? page_fault+0x8/0x30 [ 424.598175] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 424.603032] ? page_fault+0x8/0x30 [ 424.606588] page_fault+0x1e/0x30 [ 424.610044] RIP: 0033:0x45ddf3 [ 424.613263] Code: Bad RIP value. [ 424.616631] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 424.622012] RAX: ffffffffffffff92 RBX: 0000000028898d51 RCX: 000000000045ddf3 [ 424.629297] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014f1120 [ 424.636593] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 424.643877] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 424.651168] R13: 000000c42841fe60 R14: 0000000000000001 R15: 0000000000000000 [ 424.658483] warn_alloc_show_mem: 1 callbacks suppressed [ 424.658496] CPU: 1 PID: 16798 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #167 [ 424.658498] Mem-Info: [ 424.658530] active_anon:45985 inactive_anon:296 isolated_anon:0 [ 424.658530] active_file:15 inactive_file:8 isolated_file:0 [ 424.658530] unevictable:0 dirty:0 writeback:0 unstable:0 [ 424.658530] slab_reclaimable:9236 slab_unreclaimable:1461135 [ 424.658530] mapped:40979 shmem:353 pagetables:587 bounce:0 [ 424.658530] free:13771 free_pcp:249 free_cma:0 [ 424.663881] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 424.663894] Call Trace: [ 424.671285] Node 0 active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1412kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 424.673700] [ 424.706495] 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 [ 424.715873] dump_stack+0x244/0x39d [ 424.718441] lowmem_reserve[]: 0 2818 6321 6321 [ 424.746134] ? dump_stack_print_info.cold.1+0x20/0x20 [ 424.748261] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:404kB local_pcp:156kB free_cma:0kB [ 424.774386] warn_alloc.cold.116+0xb7/0x1bd [ 424.778184] lowmem_reserve[]: 0 0 3503 3503 [ 424.782776] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 424.787942] Node 0 Normal free:14000kB min:37364kB low:46704kB high:56044kB active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2348kB bounce:0kB free_pcp:592kB local_pcp:388kB free_cma:0kB [ 424.815459] ? lock_downgrade+0x900/0x900 [ 424.819760] lowmem_reserve[]: 0 0 0 0 [ 424.824127] ? trace_hardirqs_off+0xb8/0x310 [ 424.828946] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 424.857941] ? trace_hardirqs_off+0xb8/0x310 [ 424.862077] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 2*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 424.865884] __alloc_pages_slowpath+0x2651/0x2de0 [ 424.870254] Node 0 Normal: 794*4kB (MEH) 441*8kB (UMEH) 176*16kB (UME) 69*32kB (UMEH) 18*64kB (UM) 1*128kB (U) 2*256kB (U) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14032kB [ 424.883816] ? warn_alloc+0x120/0x120 [ 424.888194] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 424.903285] ? warn_alloc+0x120/0x120 [ 424.908114] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 424.923555] ? warn_alloc+0x120/0x120 [ 424.927337] 376 total pagecache pages [ 424.936182] ? print_usage_bug+0xc0/0xc0 [ 424.939970] 0 pages in swap cache [ 424.948554] ? print_usage_bug+0xc0/0xc0 [ 424.952338] Swap cache stats: add 0, delete 0, find 0/0 [ 424.956135] ? check_usage+0x1aa/0x790 [ 424.960167] Free swap = 0kB [ 424.963622] ? mark_held_locks+0x130/0x130 [ 424.967656] Total swap = 0kB [ 424.973024] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 424.976880] 1965979 pages RAM [ 424.979903] ? should_fail+0x22d/0xd01 [ 424.984107] 0 pages HighMem/MovableOnly [ 424.984116] 342854 pages reserved [ 424.987134] ? trace_event_raw_event_lock_acquire+0x440/0x440 [ 424.992647] 0 pages cma reserved [ 424.995762] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 424.999702] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 425.003601] ? __lock_acquire+0x62f/0x4c20 [ 425.007101] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 425.012929] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 425.016270] syz-fuzzer cpuset=/ mems_allowed=0 [ 425.021379] ? should_fail+0x22d/0xd01 [ 425.055929] ? mark_held_locks+0x130/0x130 [ 425.060183] ? mark_held_locks+0x130/0x130 [ 425.064436] ? print_usage_bug+0xc0/0xc0 [ 425.068524] ? find_held_lock+0x36/0x1c0 [ 425.072606] ? zap_class+0x640/0x640 [ 425.076350] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.081917] ? check_preemption_disabled+0x48/0x280 [ 425.086973] ? __lock_is_held+0xb5/0x140 [ 425.091061] __alloc_pages_nodemask+0xad8/0xea0 [ 425.095747] ? zap_class+0x640/0x640 [ 425.099479] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 425.104519] ? find_held_lock+0x36/0x1c0 [ 425.108596] ? ____cache_alloc_node+0x1c7/0x1e0 [ 425.113279] ? lock_downgrade+0x900/0x900 [ 425.117451] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.123018] cache_grow_begin+0xa5/0x8c0 [ 425.127111] ? do_raw_spin_unlock+0xa7/0x330 [ 425.131548] fallback_alloc+0x204/0x2e0 [ 425.135547] ____cache_alloc_node+0x1c7/0x1e0 [ 425.140075] kmem_cache_alloc_node+0xe3/0x730 [ 425.144587] ? mark_held_locks+0xc7/0x130 [ 425.148758] __alloc_skb+0x119/0x770 [ 425.152498] ? netdev_alloc_frag+0x1f0/0x1f0 [ 425.156923] ? do_raw_spin_trylock+0x270/0x270 [ 425.161518] ? kmem_cache_alloc_trace+0x353/0x750 [ 425.166376] ? queue_work_on+0x12c/0x1e0 [ 425.170450] ? switchdev_port_obj_del+0xe3/0x450 [ 425.175218] ? switchdev_trans_item_enqueue+0x260/0x260 [ 425.180920] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 425.185964] __br_mdb_notify+0x4ff/0x15d0 [ 425.190146] ? __br_mdb_add+0x7f0/0x7f0 [ 425.194160] ? zap_class+0x640/0x640 [ 425.197923] ? br_multicast_group_expired+0x96/0x610 [ 425.203067] ? lock_downgrade+0x900/0x900 [ 425.207249] br_mdb_notify+0x310/0x410 [ 425.211164] ? br_mdb_dump+0x27b0/0x27b0 [ 425.215252] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.220820] br_multicast_group_expired+0x1bc/0x610 [ 425.225863] ? br_mdb_free+0x80/0x80 [ 425.229604] call_timer_fn+0x272/0x920 [ 425.233502] ? br_mdb_free+0x80/0x80 [ 425.237223] ? process_timeout+0x40/0x40 [ 425.241304] ? __run_timers+0x7da/0xc70 [ 425.245290] ? _raw_spin_unlock_irq+0x27/0x80 [ 425.249788] ? _raw_spin_unlock_irq+0x27/0x80 [ 425.254294] ? br_mdb_free+0x80/0x80 [ 425.258013] ? lockdep_hardirqs_on+0x296/0x5b0 [ 425.262605] ? trace_hardirqs_on+0xbd/0x310 [ 425.266937] ? kasan_check_read+0x11/0x20 [ 425.271093] ? __run_timers+0x7da/0xc70 [ 425.275079] ? trace_hardirqs_off_caller+0x310/0x310 [ 425.280196] ? br_mdb_free+0x80/0x80 [ 425.283927] ? br_mdb_free+0x80/0x80 [ 425.287642] __run_timers+0x7e5/0xc70 [ 425.291461] ? timer_fixup_init+0x70/0x70 [ 425.295620] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 425.300649] ? zap_class+0x640/0x640 [ 425.304378] ? enqueue_hrtimer+0x1a5/0x560 [ 425.308621] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 425.313831] ? find_held_lock+0x36/0x1c0 [ 425.317906] ? zap_class+0x640/0x640 [ 425.321638] ? pvclock_read_flags+0x160/0x160 [ 425.326145] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.331690] ? check_preemption_disabled+0x48/0x280 [ 425.336725] ? __lock_is_held+0xb5/0x140 [ 425.340792] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.346339] ? check_preemption_disabled+0x48/0x280 [ 425.351373] run_timer_softirq+0x52/0xb0 [ 425.355441] ? rcu_read_lock_sched_held+0x14f/0x180 [ 425.360472] __do_softirq+0x308/0xb7e [ 425.364285] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 425.368786] ? lock_downgrade+0x900/0x900 [ 425.372952] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 425.378086] ? pvclock_read_flags+0x160/0x160 [ 425.382606] ? lapic_next_event+0x5a/0x90 [ 425.386765] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.392312] ? kvm_clock_read+0x18/0x30 [ 425.396305] ? kvm_sched_clock_read+0x9/0x20 [ 425.400725] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.406272] ? check_preemption_disabled+0x48/0x280 [ 425.411316] irq_exit+0x17f/0x1c0 [ 425.414779] smp_apic_timer_interrupt+0x1cb/0x760 [ 425.419626] ? smp_reschedule_interrupt+0x109/0x650 [ 425.424651] ? smp_call_function_single_interrupt+0x650/0x650 [ 425.430540] ? interrupt_entry+0xb5/0xc0 [ 425.434611] ? trace_hardirqs_off_caller+0xbb/0x310 [ 425.439636] ? trace_hardirqs_off_caller+0xbb/0x310 [ 425.444662] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 425.449515] ? trace_hardirqs_on_caller+0x310/0x310 [ 425.454541] ? trace_hardirqs_on_caller+0x310/0x310 [ 425.459570] ? task_prio+0x50/0x50 [ 425.463132] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.468686] ? check_preemption_disabled+0x48/0x280 [ 425.473719] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 425.478584] apic_timer_interrupt+0xf/0x20 [ 425.482819] [ 425.485072] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 425.490018] Code: 7e 0f 85 cf fe ff ff e8 66 cb 3d ff e9 c5 fe ff ff e8 0d 01 c3 ff 48 83 3d a5 49 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 42 f3 [ 425.508943] RSP: 0018:ffff888195497718 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 425.516685] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 425.523971] RDX: 0000000000000000 RSI: ffff8881d2488b40 RDI: 0000000000000282 [ 425.531257] RBP: ffff888195497780 R08: ffff8881d24882c0 R09: 0000000000000000 [ 425.538541] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 425.545826] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020 [ 425.553162] skb_clone+0x1bb/0x500 [ 425.556726] ? skb_split+0x11e0/0x11e0 [ 425.560633] ? check_preemption_disabled+0x48/0x280 [ 425.565685] ? __this_cpu_preempt_check+0x1c/0x20 [ 425.570553] ? __bpf_redirect+0x55b/0xb60 [ 425.574712] ? __switch_to_asm+0x34/0x70 [ 425.578781] ? __switch_to_asm+0x40/0x70 [ 425.582878] bpf_clone_redirect+0xb9/0x490 [ 425.587142] bpf_prog_3d1649e183dc2cc1+0xaf9/0x1000 [ 425.592189] ? __sched_text_start+0x8/0x8 [ 425.596364] ? find_held_lock+0x36/0x1c0 [ 425.600446] ? lock_acquire+0x1ed/0x520 [ 425.604437] ? bpf_test_run+0x3cb/0x780 [ 425.608428] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.613984] ? check_preemption_disabled+0x48/0x280 [ 425.619020] ? kasan_check_read+0x11/0x20 [ 425.623190] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 425.628483] ? rcu_softirq_qs+0x20/0x20 [ 425.632477] ? preempt_schedule+0x4d/0x60 [ 425.636636] ? ___preempt_schedule+0x16/0x18 [ 425.641076] ? bpf_test_run+0x25d/0x780 [ 425.645082] ? netlink_diag_dump+0x2a0/0x2a0 [ 425.649509] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 425.655071] ? bpf_test_init.isra.10+0x70/0x100 [ 425.659763] ? bpf_prog_test_run_skb+0x73b/0xd10 [ 425.664559] ? bpf_test_finish.isra.9+0x260/0x260 [ 425.669415] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 425.674971] ? fput+0x130/0x1a0 [ 425.678263] ? __bpf_prog_get+0x9b/0x290 [ 425.682341] ? bpf_test_finish.isra.9+0x260/0x260 [ 425.687209] ? bpf_prog_test_run+0x130/0x1a0 [ 425.691632] ? __x64_sys_bpf+0x3db/0x520 [ 425.695727] ? bpf_prog_get+0x20/0x20 [ 425.699563] ? do_syscall_64+0x1b9/0x820 [ 425.703632] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 425.709010] ? syscall_return_slowpath+0x5e0/0x5e0 [ 425.713955] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 425.718811] ? trace_hardirqs_on_caller+0x310/0x310 [ 425.723840] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 425.728886] ? prepare_exit_to_usermode+0x291/0x3b0 [ 425.733929] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 425.738795] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 425.744188] CPU: 0 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #167 [ 425.744340] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 425.751213] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 425.751223] Call Trace: [ 425.761712] syz-executor0 cpuset=syz0 mems_allowed=0 [ 425.771089] [ 425.780925] dump_stack+0x244/0x39d [ 425.784566] ? dump_stack_print_info.cold.1+0x20/0x20 [ 425.789781] warn_alloc.cold.116+0xb7/0x1bd [ 425.794114] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 425.798971] ? lock_downgrade+0x900/0x900 [ 425.803133] ? trace_hardirqs_off+0xb8/0x310 [ 425.807557] ? trace_hardirqs_off+0xb8/0x310 [ 425.811987] __alloc_pages_slowpath+0x2651/0x2de0 [ 425.816870] ? warn_alloc+0x120/0x120 [ 425.820699] ? print_usage_bug+0xc0/0xc0 [ 425.824765] ? warn_alloc+0x120/0x120 [ 425.828581] ? warn_alloc+0x120/0x120 [ 425.832403] ? print_usage_bug+0xc0/0xc0 [ 425.836480] ? print_usage_bug+0xc0/0xc0 [ 425.840546] ? __lock_acquire+0x62f/0x4c20 [ 425.844791] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 425.850335] ? should_fail+0x22d/0xd01 [ 425.854230] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 425.859338] ? __lock_acquire+0x62f/0x4c20 [ 425.863591] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 425.868697] ? __lock_acquire+0x62f/0x4c20 [ 425.872937] ? should_fail+0x22d/0xd01 [ 425.876830] ? find_held_lock+0x36/0x1c0 [ 425.880901] ? mark_held_locks+0x130/0x130 [ 425.885145] ? mark_held_locks+0x130/0x130 [ 425.889384] ? zap_class+0x640/0x640 [ 425.893107] ? zap_class+0x640/0x640 [ 425.896832] ? print_usage_bug+0xc0/0xc0 [ 425.900914] ? do_raw_spin_unlock+0xa7/0x330 [ 425.905326] ? zap_class+0x640/0x640 [ 425.909043] ? print_usage_bug+0xc0/0xc0 [ 425.913120] ? wq_watchdog_touch+0x9c/0xfe [ 425.917365] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.922911] ? check_preemption_disabled+0x48/0x280 [ 425.927947] ? __lock_is_held+0xb5/0x140 [ 425.932022] __alloc_pages_nodemask+0xad8/0xea0 [ 425.936705] ? zap_class+0x640/0x640 [ 425.940453] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 425.945491] ? find_held_lock+0x36/0x1c0 [ 425.949585] ? ____cache_alloc_node+0x1c7/0x1e0 [ 425.954268] ? lock_downgrade+0x900/0x900 [ 425.958440] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.963998] cache_grow_begin+0xa5/0x8c0 [ 425.968074] ? do_raw_spin_unlock+0xa7/0x330 [ 425.972498] fallback_alloc+0x204/0x2e0 [ 425.976484] ____cache_alloc_node+0x1c7/0x1e0 [ 425.980993] kmem_cache_alloc_node+0xe3/0x730 [ 425.985497] ? ipv6_get_ifaddr+0x42e/0x620 [ 425.989779] __alloc_skb+0x119/0x770 [ 425.993541] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 425.998849] ? netdev_alloc_frag+0x1f0/0x1f0 [ 426.003275] ? lock_downgrade+0x900/0x900 [ 426.007449] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.013001] ? refcount_sub_and_test_checked+0x203/0x310 [ 426.018473] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 426.023942] ? addrconf_rs_timer+0x690/0x690 [ 426.028367] ndisc_alloc_skb+0x144/0x340 [ 426.032443] ndisc_send_rs+0x331/0x6e0 [ 426.036341] addrconf_rs_timer+0x314/0x690 [ 426.040586] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 426.044836] call_timer_fn+0x272/0x920 [ 426.048728] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 426.052971] ? process_timeout+0x40/0x40 [ 426.057045] ? mark_held_locks+0xc7/0x130 [ 426.061212] ? _raw_spin_unlock_irq+0x27/0x80 [ 426.065721] ? _raw_spin_unlock_irq+0x27/0x80 [ 426.070223] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 426.074470] ? lockdep_hardirqs_on+0x296/0x5b0 [ 426.079065] ? trace_hardirqs_on+0xbd/0x310 [ 426.083395] ? kasan_check_read+0x11/0x20 [ 426.087555] ? __run_timers+0x7da/0xc70 [ 426.091534] ? trace_hardirqs_off_caller+0x310/0x310 [ 426.096656] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 426.100895] __run_timers+0x7e5/0xc70 [ 426.104711] ? timer_fixup_init+0x70/0x70 [ 426.108870] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 426.113894] ? zap_class+0x640/0x640 [ 426.117619] ? print_usage_bug+0xc0/0xc0 [ 426.121685] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 426.126885] ? find_held_lock+0x36/0x1c0 [ 426.130955] ? zap_class+0x640/0x640 [ 426.134676] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.140221] ? check_preemption_disabled+0x48/0x280 [ 426.145255] ? __lock_is_held+0xb5/0x140 [ 426.149324] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.154875] ? check_preemption_disabled+0x48/0x280 [ 426.159902] run_timer_softirq+0x52/0xb0 [ 426.163972] ? rcu_read_lock_sched_held+0x14f/0x180 [ 426.169000] __do_softirq+0x308/0xb7e [ 426.172810] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 426.177309] ? lock_downgrade+0x900/0x900 [ 426.181470] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 426.186587] ? pvclock_read_flags+0x160/0x160 [ 426.191094] ? lapic_next_event+0x5a/0x90 [ 426.195249] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.200801] ? kvm_clock_read+0x18/0x30 [ 426.204777] ? kvm_sched_clock_read+0x9/0x20 [ 426.209196] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 426.214743] ? check_preemption_disabled+0x48/0x280 [ 426.219774] irq_exit+0x17f/0x1c0 [ 426.223239] smp_apic_timer_interrupt+0x1cb/0x760 [ 426.228135] ? smp_reschedule_interrupt+0x109/0x650 [ 426.233162] ? smp_call_function_single_interrupt+0x650/0x650 [ 426.239072] ? interrupt_entry+0xb5/0xc0 [ 426.243140] ? trace_hardirqs_off_caller+0xbb/0x310 [ 426.248161] ? trace_hardirqs_off_caller+0xbb/0x310 [ 426.253181] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 426.258029] ? trace_hardirqs_on_caller+0x310/0x310 [ 426.263067] ? trace_hardirqs_on_caller+0x310/0x310 [ 426.268105] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 426.272965] apic_timer_interrupt+0xf/0x20 [ 426.277213] [ 426.279473] RIP: 0010:dump_stack+0x358/0x39d [ 426.283885] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 f1 36 ed f9 48 83 3d f9 27 7c 01 00 0f 84 63 fe ff ff e8 6e b7 a9 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b b7 a9 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 426.302796] RSP: 0000:ffff8881bb40e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 426.310656] RAX: ffff8881c2208180 RBX: 1ffffffff12a3f6e RCX: 1ffff1103844114e [ 426.317928] RDX: 0000000000000000 RSI: ffffffff87d5d382 RDI: 0000000000000293 [ 426.325207] RBP: ffff8881bb40e290 R08: ffff8881c2208a70 R09: 0000000000000006 [ 426.332490] R10: 0000000000000000 R11: ffff8881c2208180 R12: 1ffff11037681c45 [ 426.339770] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 426.347096] ? dump_stack+0x34f/0x39d [ 426.350921] ? dump_stack_print_info.cold.1+0x20/0x20 [ 426.356122] ? mark_held_locks+0x130/0x130 [ 426.360363] ? mark_held_locks+0x130/0x130 [ 426.364611] dump_header+0x27b/0xf72 [ 426.368344] ? pagefault_out_of_memory+0x197/0x197 [ 426.373348] ? __lock_acquire+0x62f/0x4c20 [ 426.377601] ? percpu_ref_get_many+0x240/0x240 [ 426.382196] ? print_usage_bug+0xc0/0xc0 [ 426.386267] ? zap_class+0x640/0x640 [ 426.389986] ? print_usage_bug+0xc0/0xc0 [ 426.394059] ? print_usage_bug+0xc0/0xc0 [ 426.398152] ? zap_class+0x640/0x640 [ 426.401873] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.407427] ? find_held_lock+0x36/0x1c0 [ 426.411507] ? mark_held_locks+0xc7/0x130 [ 426.415663] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 426.420774] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 426.425885] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 426.430477] ? trace_hardirqs_on+0xbd/0x310 [ 426.434806] ? kasan_check_read+0x11/0x20 [ 426.438975] ? ___ratelimit+0x3b4/0x672 [ 426.442969] ? trace_hardirqs_off_caller+0x310/0x310 [ 426.448085] ? trace_hardirqs_on+0x310/0x310 [ 426.452499] ? lock_downgrade+0x900/0x900 [ 426.456661] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 426.461768] ? ___ratelimit+0x3b9/0x672 [ 426.465749] ? idr_get_free+0xf70/0xf70 [ 426.469726] ? find_held_lock+0x36/0x1c0 [ 426.473800] oom_kill_process.cold.27+0x10/0x903 [ 426.478566] ? zap_class+0x640/0x640 [ 426.482285] ? check_preemption_disabled+0x48/0x280 [ 426.487312] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 426.492248] ? kasan_check_read+0x11/0x20 [ 426.496403] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 426.501703] ? oom_evaluate_task+0x540/0x540 [ 426.506120] ? find_held_lock+0x36/0x1c0 [ 426.510192] ? out_of_memory+0x974/0x1430 [ 426.514346] ? lock_downgrade+0x900/0x900 [ 426.518498] ? check_preemption_disabled+0x48/0x280 [ 426.523524] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 426.528461] ? kasan_check_read+0x11/0x20 [ 426.532612] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 426.537896] ? rcu_softirq_qs+0x20/0x20 [ 426.541884] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 426.547438] ? oom_evaluate_task+0x302/0x540 [ 426.551854] out_of_memory+0xa84/0x1430 [ 426.555845] ? oom_killer_disable+0x3a0/0x3a0 [ 426.560348] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 426.565290] ? __ww_mutex_check_waiters+0x160/0x160 [ 426.570331] __alloc_pages_slowpath+0x232c/0x2de0 [ 426.575220] ? warn_alloc+0x120/0x120 [ 426.579023] ? mark_held_locks+0x130/0x130 [ 426.583288] ? find_get_entry+0xaae/0x1120 [ 426.587544] ? filemap_map_pages+0x1a20/0x1a20 [ 426.592153] ? zap_class+0x640/0x640 [ 426.595878] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.601435] ? check_preemption_disabled+0x48/0x280 [ 426.606464] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 426.612013] ? should_fail+0x22d/0xd01 [ 426.615916] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 426.621030] ? zap_class+0x640/0x640 [ 426.624805] ? __lock_is_held+0xb5/0x140 [ 426.628882] ? mark_held_locks+0x130/0x130 [ 426.633128] ? lock_release+0xa00/0xa00 [ 426.637107] ? perf_trace_sched_process_exec+0x860/0x860 [ 426.642563] ? xa_load+0x2ba/0x460 [ 426.646114] ? lock_downgrade+0x900/0x900 [ 426.650283] ? __might_sleep+0x95/0x190 [ 426.654270] __alloc_pages_nodemask+0xad8/0xea0 [ 426.658958] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 426.663981] ? __page_cache_alloc+0x191/0x5c0 [ 426.668492] ? xa_load+0x2e1/0x460 [ 426.672036] ? xa_clear_mark+0x40/0x40 [ 426.675937] ? zap_class+0x640/0x640 [ 426.679664] ? zap_class+0x640/0x640 [ 426.683378] ? zap_class+0x640/0x640 [ 426.687099] ? __do_page_cache_readahead+0x663/0x810 [ 426.692216] ? find_held_lock+0x36/0x1c0 [ 426.696286] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 426.701839] alloc_pages_current+0x173/0x350 [ 426.706263] __page_cache_alloc+0x38c/0x5c0 [ 426.710586] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 426.715519] ? kasan_check_read+0x11/0x20 [ 426.719670] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 426.724956] ? generic_perform_write+0x6a0/0x6a0 [ 426.729721] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 426.735271] ? check_preemption_disabled+0x48/0x280 [ 426.740304] filemap_fault+0x1595/0x25f0 [ 426.744383] ? __lock_page_or_retry+0xa00/0xa00 [ 426.749073] ? mark_held_locks+0x130/0x130 [ 426.753323] ? filemap_map_pages+0xd6b/0x1a20 [ 426.757824] ? lock_downgrade+0x900/0x900 [ 426.761981] ? check_preemption_disabled+0x48/0x280 [ 426.767009] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 426.771942] ? kasan_check_read+0x11/0x20 [ 426.776099] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 426.781385] ? rcu_softirq_qs+0x20/0x20 [ 426.785381] ? filemap_map_pages+0xd92/0x1a20 [ 426.789901] ? find_get_entries_tag+0x1400/0x1400 [ 426.794759] ? debug_object_destroy+0x2b0/0x2b0 [ 426.799441] ? lock_pi_update_atomic+0x150/0x150 [ 426.804206] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.809768] ? lock_acquire+0x1ed/0x520 [ 426.813749] ? ext4_filemap_fault+0x7a/0xad [ 426.818087] ? lock_release+0xa00/0xa00 [ 426.822072] ? perf_trace_sched_process_exec+0x860/0x860 [ 426.827532] ? print_usage_bug+0xc0/0xc0 [ 426.831601] ? print_usage_bug+0xc0/0xc0 [ 426.835680] ? down_read+0x8d/0x120 [ 426.839312] ? ext4_filemap_fault+0x7a/0xad [ 426.843641] ? __down_interruptible+0x700/0x700 [ 426.848326] ext4_filemap_fault+0x82/0xad [ 426.852484] __do_fault+0x100/0x6b0 [ 426.856115] ? find_held_lock+0x36/0x1c0 [ 426.860189] ? pmd_devmap_trans_unstable+0x220/0x220 [ 426.865310] ? mark_held_locks+0x130/0x130 [ 426.869552] ? mark_held_locks+0x130/0x130 [ 426.873796] ? debug_smp_processor_id+0x1c/0x20 [ 426.878475] ? perf_trace_lock+0x14d/0x7a0 [ 426.882727] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 426.888282] __handle_mm_fault+0x3ea0/0x5be0 [ 426.892724] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 426.897586] ? lock_is_held_type+0x210/0x210 [ 426.902010] ? __switch_to_asm+0x34/0x70 [ 426.906081] ? __switch_to_asm+0x34/0x70 [ 426.910165] ? zap_class+0x640/0x640 [ 426.913882] ? zap_class+0x640/0x640 [ 426.917597] ? __x64_sys_futex+0x53e/0x6a0 [ 426.921839] ? find_held_lock+0x36/0x1c0 [ 426.925917] ? handle_mm_fault+0x42a/0xc70 [ 426.930160] ? lock_downgrade+0x900/0x900 [ 426.934316] ? check_preemption_disabled+0x48/0x280 [ 426.939343] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 426.944279] ? kasan_check_read+0x11/0x20 [ 426.948440] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 426.953727] ? rcu_softirq_qs+0x20/0x20 [ 426.957705] ? trace_hardirqs_off_caller+0x310/0x310 [ 426.962818] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 426.968369] ? check_preemption_disabled+0x48/0x280 [ 426.973402] handle_mm_fault+0x54f/0xc70 [ 426.977478] ? __handle_mm_fault+0x5be0/0x5be0 [ 426.982078] ? find_vma+0x34/0x190 [ 426.985631] __do_page_fault+0x5e8/0xe60 [ 426.989698] ? trace_hardirqs_off+0xb8/0x310 [ 426.994130] do_page_fault+0xf2/0x7e0 [ 426.997935] ? vmalloc_sync_all+0x30/0x30 [ 427.002099] ? error_entry+0x70/0xd0 [ 427.005818] ? trace_hardirqs_off_caller+0xbb/0x310 [ 427.010838] ? trace_hardirqs_on_caller+0xc0/0x310 [ 427.015772] ? syscall_return_slowpath+0x5e0/0x5e0 [ 427.020719] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 427.025593] ? trace_hardirqs_on_caller+0x310/0x310 [ 427.030616] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 427.036098] ? prepare_exit_to_usermode+0x291/0x3b0 [ 427.041126] ? page_fault+0x8/0x30 [ 427.044674] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 427.049529] ? page_fault+0x8/0x30 [ 427.053081] page_fault+0x1e/0x30 [ 427.056536] RIP: 0033:0x45ddf3 [ 427.059740] Code: Bad RIP value. [ 427.063110] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 427.068475] RAX: ffffffffffffff92 RBX: 0000000028898d51 RCX: 000000000045ddf3 [ 427.075840] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014f1120 [ 427.083122] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 427.090399] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 427.097682] R13: 000000c42841fe60 R14: 0000000000000001 R15: 0000000000000000 [ 427.104983] warn_alloc_show_mem: 1 callbacks suppressed [ 427.104996] CPU: 1 PID: 16798 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #167 [ 427.104998] Mem-Info: [ 427.105029] active_anon:45985 inactive_anon:296 isolated_anon:0 [ 427.105029] active_file:15 inactive_file:8 isolated_file:0 [ 427.105029] unevictable:0 dirty:0 writeback:0 unstable:0 [ 427.105029] slab_reclaimable:9236 slab_unreclaimable:1461135 [ 427.105029] mapped:40979 shmem:353 pagetables:587 bounce:0 [ 427.105029] free:13771 free_pcp:249 free_cma:0 [ 427.110370] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 427.110380] Call Trace: [ 427.117767] Node 0 active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1412kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 427.120172] [ 427.152967] 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 [ 427.162344] dump_stack+0x244/0x39d [ 427.164907] lowmem_reserve[]: 0 2818 6321 6321 [ 427.192935] ? dump_stack_print_info.cold.1+0x20/0x20 [ 427.195075] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:404kB local_pcp:156kB free_cma:0kB [ 427.221205] warn_alloc.cold.116+0xb7/0x1bd [ 427.224806] lowmem_reserve[]: 0 0 3503 3503 [ 427.229392] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 427.234563] Node 0 Normal free:14000kB min:37364kB low:46704kB high:56044kB active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2348kB bounce:0kB free_pcp:592kB local_pcp:388kB free_cma:0kB [ 427.262085] ? lock_downgrade+0x900/0x900 [ 427.266377] lowmem_reserve[]: 0 0 0 0 [ 427.270717] ? trace_hardirqs_off+0xb8/0x310 [ 427.275533] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 427.305004] ? trace_hardirqs_off+0xb8/0x310 [ 427.309132] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 2*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 427.312942] __alloc_pages_slowpath+0x2651/0x2de0 [ 427.317316] Node 0 Normal: 794*4kB (MEH) 441*8kB (UMEH) 176*16kB (UME) 69*32kB (UMEH) 18*64kB (UM) 1*128kB (U) 2*256kB (U) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14032kB [ 427.330906] ? warn_alloc+0x120/0x120 [ 427.335283] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 427.350373] ? warn_alloc+0x120/0x120 [ 427.355203] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 427.370642] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 427.374434] 376 total pagecache pages [ 427.383278] ? warn_alloc+0x120/0x120 [ 427.387073] 0 pages in swap cache [ 427.395662] ? print_usage_bug+0xc0/0xc0 [ 427.400663] Swap cache stats: add 0, delete 0, find 0/0 [ 427.404462] ? print_usage_bug+0xc0/0xc0 [ 427.408234] Free swap = 0kB [ 427.411689] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 427.415716] Total swap = 0kB [ 427.415724] 1965979 pages RAM [ 427.421103] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 427.425142] 0 pages HighMem/MovableOnly [ 427.428164] ? should_fail+0x22d/0xd01 [ 427.433324] 342854 pages reserved [ 427.433333] 0 pages cma reserved [ 427.436356] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 427.439516] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 427.444980] ? __lock_acquire+0x62f/0x4c20 [ 427.449042] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 427.452821] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 427.456256] syz-fuzzer cpuset=/ mems_allowed=0 [ 427.459640] ? should_fail+0x22d/0xd01 [ 427.499263] ? mark_held_locks+0x130/0x130 [ 427.503519] ? mark_held_locks+0x130/0x130 [ 427.507767] ? print_usage_bug+0xc0/0xc0 [ 427.511851] ? find_held_lock+0x36/0x1c0 [ 427.515934] ? zap_class+0x640/0x640 [ 427.519670] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.525220] ? check_preemption_disabled+0x48/0x280 [ 427.530262] ? __lock_is_held+0xb5/0x140 [ 427.534347] __alloc_pages_nodemask+0xad8/0xea0 [ 427.539034] ? zap_class+0x640/0x640 [ 427.542775] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 427.547818] ? find_held_lock+0x36/0x1c0 [ 427.551901] ? ____cache_alloc_node+0x1c7/0x1e0 [ 427.556590] ? lock_downgrade+0x900/0x900 [ 427.560758] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.566317] cache_grow_begin+0xa5/0x8c0 [ 427.570397] ? do_raw_spin_unlock+0xa7/0x330 [ 427.574832] fallback_alloc+0x204/0x2e0 [ 427.578827] ____cache_alloc_node+0x1c7/0x1e0 [ 427.583346] kmem_cache_alloc_node+0xe3/0x730 [ 427.587857] ? mark_held_locks+0xc7/0x130 [ 427.592030] __alloc_skb+0x119/0x770 [ 427.595774] ? netdev_alloc_frag+0x1f0/0x1f0 [ 427.600192] ? do_raw_spin_trylock+0x270/0x270 [ 427.604789] ? kmem_cache_alloc_trace+0x353/0x750 [ 427.609651] ? queue_work_on+0x12c/0x1e0 [ 427.613732] ? switchdev_port_obj_del+0xe3/0x450 [ 427.618502] ? switchdev_trans_item_enqueue+0x260/0x260 [ 427.623901] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 427.628953] __br_mdb_notify+0x4ff/0x15d0 [ 427.633129] ? __br_mdb_add+0x7f0/0x7f0 [ 427.637130] ? zap_class+0x640/0x640 [ 427.640871] ? br_multicast_group_expired+0x96/0x610 [ 427.645989] ? lock_downgrade+0x900/0x900 [ 427.650158] br_mdb_notify+0x310/0x410 [ 427.654066] ? br_mdb_dump+0x27b0/0x27b0 [ 427.658145] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.663709] br_multicast_group_expired+0x1bc/0x610 [ 427.668748] ? br_mdb_free+0x80/0x80 [ 427.672488] call_timer_fn+0x272/0x920 [ 427.676398] ? br_mdb_free+0x80/0x80 [ 427.680130] ? process_timeout+0x40/0x40 [ 427.684220] ? __run_timers+0x7da/0xc70 [ 427.688224] ? _raw_spin_unlock_irq+0x27/0x80 [ 427.692733] ? _raw_spin_unlock_irq+0x27/0x80 [ 427.697245] ? br_mdb_free+0x80/0x80 [ 427.700978] ? lockdep_hardirqs_on+0x296/0x5b0 [ 427.705581] ? trace_hardirqs_on+0xbd/0x310 [ 427.709922] ? kasan_check_read+0x11/0x20 [ 427.714087] ? __run_timers+0x7da/0xc70 [ 427.718093] ? trace_hardirqs_off_caller+0x310/0x310 [ 427.723217] ? br_mdb_free+0x80/0x80 [ 427.726951] ? br_mdb_free+0x80/0x80 [ 427.730674] __run_timers+0x7e5/0xc70 [ 427.734501] ? timer_fixup_init+0x70/0x70 [ 427.738671] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 427.743703] ? zap_class+0x640/0x640 [ 427.747431] ? enqueue_hrtimer+0x1a5/0x560 [ 427.751697] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 427.756908] ? find_held_lock+0x36/0x1c0 [ 427.760990] ? zap_class+0x640/0x640 [ 427.764720] ? pvclock_read_flags+0x160/0x160 [ 427.769230] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.774786] ? check_preemption_disabled+0x48/0x280 [ 427.779827] ? __lock_is_held+0xb5/0x140 [ 427.783902] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.789459] ? check_preemption_disabled+0x48/0x280 [ 427.794505] run_timer_softirq+0x52/0xb0 [ 427.798588] ? rcu_read_lock_sched_held+0x14f/0x180 [ 427.803619] __do_softirq+0x308/0xb7e [ 427.807436] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 427.811942] ? lock_downgrade+0x900/0x900 [ 427.816106] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 427.821228] ? pvclock_read_flags+0x160/0x160 [ 427.825738] ? lapic_next_event+0x5a/0x90 [ 427.829902] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.835461] ? kvm_clock_read+0x18/0x30 [ 427.839452] ? kvm_sched_clock_read+0x9/0x20 [ 427.843885] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.849447] ? check_preemption_disabled+0x48/0x280 [ 427.854492] irq_exit+0x17f/0x1c0 [ 427.857979] smp_apic_timer_interrupt+0x1cb/0x760 [ 427.862839] ? smp_reschedule_interrupt+0x109/0x650 [ 427.867878] ? smp_call_function_single_interrupt+0x650/0x650 [ 427.873783] ? interrupt_entry+0xb5/0xc0 [ 427.877854] ? trace_hardirqs_off_caller+0xbb/0x310 [ 427.882883] ? trace_hardirqs_off_caller+0xbb/0x310 [ 427.887940] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 427.892800] ? trace_hardirqs_on_caller+0x310/0x310 [ 427.897828] ? trace_hardirqs_on_caller+0x310/0x310 [ 427.902868] ? task_prio+0x50/0x50 [ 427.906425] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.911979] ? check_preemption_disabled+0x48/0x280 [ 427.917015] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 427.921886] apic_timer_interrupt+0xf/0x20 [ 427.926133] [ 427.928404] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 427.933369] Code: 7e 0f 85 cf fe ff ff e8 66 cb 3d ff e9 c5 fe ff ff e8 0d 01 c3 ff 48 83 3d a5 49 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 42 f3 [ 427.952281] RSP: 0018:ffff888195497718 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 427.960007] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 427.967310] RDX: 0000000000000000 RSI: ffff8881d2488b40 RDI: 0000000000000282 [ 427.974598] RBP: ffff888195497780 R08: ffff8881d24882c0 R09: 0000000000000000 [ 427.981909] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 427.989198] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020 [ 427.996529] skb_clone+0x1bb/0x500 [ 428.000105] ? skb_split+0x11e0/0x11e0 [ 428.004008] ? check_preemption_disabled+0x48/0x280 [ 428.009059] ? __this_cpu_preempt_check+0x1c/0x20 [ 428.013927] ? __bpf_redirect+0x55b/0xb60 [ 428.018097] ? __switch_to_asm+0x34/0x70 [ 428.022175] ? __switch_to_asm+0x40/0x70 [ 428.026258] bpf_clone_redirect+0xb9/0x490 [ 428.030515] bpf_prog_3d1649e183dc2cc1+0xaf9/0x1000 [ 428.035568] ? __sched_text_start+0x8/0x8 [ 428.039742] ? find_held_lock+0x36/0x1c0 [ 428.043828] ? lock_acquire+0x1ed/0x520 [ 428.047817] ? bpf_test_run+0x3cb/0x780 [ 428.051802] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.057366] ? check_preemption_disabled+0x48/0x280 [ 428.062409] ? kasan_check_read+0x11/0x20 [ 428.066570] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 428.071860] ? rcu_softirq_qs+0x20/0x20 [ 428.075854] ? preempt_schedule+0x4d/0x60 [ 428.080014] ? ___preempt_schedule+0x16/0x18 [ 428.084451] ? bpf_test_run+0x25d/0x780 [ 428.088449] ? netlink_diag_dump+0x2a0/0x2a0 [ 428.092878] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 428.098453] ? bpf_test_init.isra.10+0x70/0x100 [ 428.103144] ? bpf_prog_test_run_skb+0x73b/0xd10 [ 428.107930] ? bpf_test_finish.isra.9+0x260/0x260 [ 428.112792] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 428.118345] ? fput+0x130/0x1a0 [ 428.121647] ? __bpf_prog_get+0x9b/0x290 [ 428.125728] ? bpf_test_finish.isra.9+0x260/0x260 [ 428.130586] ? bpf_prog_test_run+0x130/0x1a0 [ 428.135011] ? __x64_sys_bpf+0x3db/0x520 [ 428.139089] ? bpf_prog_get+0x20/0x20 [ 428.142930] ? do_syscall_64+0x1b9/0x820 [ 428.147004] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 428.152401] ? syscall_return_slowpath+0x5e0/0x5e0 [ 428.157344] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 428.162204] ? trace_hardirqs_on_caller+0x310/0x310 [ 428.167260] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 428.172296] ? prepare_exit_to_usermode+0x291/0x3b0 [ 428.177333] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 428.182199] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 428.187593] CPU: 0 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #167 [ 428.187745] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 428.194627] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 428.205117] syz-executor0 cpuset=syz0 mems_allowed=0 [ 428.214477] Call Trace: [ 428.222157] [ 428.224325] dump_stack+0x244/0x39d [ 428.227964] ? dump_stack_print_info.cold.1+0x20/0x20 [ 428.233177] warn_alloc.cold.116+0xb7/0x1bd [ 428.237507] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 428.242363] ? lock_downgrade+0x900/0x900 [ 428.246526] ? trace_hardirqs_off+0xb8/0x310 [ 428.250948] ? trace_hardirqs_off+0xb8/0x310 [ 428.255386] __alloc_pages_slowpath+0x2651/0x2de0 [ 428.260272] ? warn_alloc+0x120/0x120 [ 428.264086] ? print_usage_bug+0xc0/0xc0 [ 428.268158] ? warn_alloc+0x120/0x120 [ 428.271968] ? warn_alloc+0x120/0x120 [ 428.275775] ? print_usage_bug+0xc0/0xc0 [ 428.279846] ? kvm_clock_read+0x18/0x30 [ 428.283827] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 428.288851] ? print_usage_bug+0xc0/0xc0 [ 428.292915] ? __lock_acquire+0x62f/0x4c20 [ 428.297168] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 428.302717] ? should_fail+0x22d/0xd01 [ 428.306611] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 428.311901] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 428.317016] ? __lock_acquire+0x62f/0x4c20 [ 428.321268] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 428.326384] ? __lock_acquire+0x62f/0x4c20 [ 428.330636] ? should_fail+0x22d/0xd01 [ 428.334525] ? rcu_irq_exit+0x1a2/0x390 [ 428.338527] ? mark_held_locks+0x130/0x130 [ 428.342771] ? mark_held_locks+0x130/0x130 [ 428.347016] ? mark_held_locks+0xc7/0x130 [ 428.351180] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 428.356204] ? zap_class+0x640/0x640 [ 428.359923] ? print_usage_bug+0xc0/0xc0 [ 428.363994] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.369542] ? check_preemption_disabled+0x48/0x280 [ 428.374577] ? __lock_is_held+0xb5/0x140 [ 428.378651] __alloc_pages_nodemask+0xad8/0xea0 [ 428.383326] ? zap_class+0x640/0x640 [ 428.387062] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 428.392108] ? find_held_lock+0x36/0x1c0 [ 428.396184] ? ____cache_alloc_node+0x1c7/0x1e0 [ 428.400859] ? lock_downgrade+0x900/0x900 [ 428.405021] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.410580] cache_grow_begin+0xa5/0x8c0 [ 428.414650] ? do_raw_spin_unlock+0xa7/0x330 [ 428.419079] fallback_alloc+0x204/0x2e0 [ 428.423076] ____cache_alloc_node+0x1c7/0x1e0 [ 428.427583] kmem_cache_alloc_node+0xe3/0x730 [ 428.432087] ? ipv6_get_ifaddr+0x42e/0x620 [ 428.436340] __alloc_skb+0x119/0x770 [ 428.440074] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 428.445363] ? netdev_alloc_frag+0x1f0/0x1f0 [ 428.449781] ? lock_downgrade+0x900/0x900 [ 428.453940] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.459487] ? refcount_sub_and_test_checked+0x203/0x310 [ 428.464967] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 428.470431] ? addrconf_rs_timer+0x690/0x690 [ 428.474861] ndisc_alloc_skb+0x144/0x340 [ 428.478935] ndisc_send_rs+0x331/0x6e0 [ 428.482833] addrconf_rs_timer+0x314/0x690 [ 428.487085] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 428.491341] call_timer_fn+0x272/0x920 [ 428.495235] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 428.499480] ? process_timeout+0x40/0x40 [ 428.503557] ? mark_held_locks+0xc7/0x130 [ 428.507713] ? _raw_spin_unlock_irq+0x27/0x80 [ 428.512211] ? _raw_spin_unlock_irq+0x27/0x80 [ 428.516711] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 428.520952] ? lockdep_hardirqs_on+0x296/0x5b0 [ 428.525541] ? trace_hardirqs_on+0xbd/0x310 [ 428.529871] ? kasan_check_read+0x11/0x20 [ 428.534023] ? __run_timers+0x7da/0xc70 [ 428.538014] ? trace_hardirqs_off_caller+0x310/0x310 [ 428.543135] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 428.547379] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 428.551620] __run_timers+0x7e5/0xc70 [ 428.555441] ? timer_fixup_init+0x70/0x70 [ 428.559602] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 428.564626] ? zap_class+0x640/0x640 [ 428.568354] ? print_usage_bug+0xc0/0xc0 [ 428.572425] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 428.577632] ? find_held_lock+0x36/0x1c0 [ 428.581702] ? zap_class+0x640/0x640 [ 428.585430] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.590979] ? check_preemption_disabled+0x48/0x280 [ 428.596011] ? __lock_is_held+0xb5/0x140 [ 428.600086] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.605639] ? check_preemption_disabled+0x48/0x280 [ 428.610670] run_timer_softirq+0x52/0xb0 [ 428.614740] ? rcu_read_lock_sched_held+0x14f/0x180 [ 428.619765] __do_softirq+0x308/0xb7e [ 428.623574] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 428.628083] ? lock_downgrade+0x900/0x900 [ 428.632248] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 428.637370] ? pvclock_read_flags+0x160/0x160 [ 428.641873] ? lapic_next_event+0x5a/0x90 [ 428.646028] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.651591] ? kvm_clock_read+0x18/0x30 [ 428.655583] ? kvm_sched_clock_read+0x9/0x20 [ 428.660004] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 428.665550] ? check_preemption_disabled+0x48/0x280 [ 428.670586] irq_exit+0x17f/0x1c0 [ 428.674047] smp_apic_timer_interrupt+0x1cb/0x760 [ 428.678906] ? smp_reschedule_interrupt+0x109/0x650 [ 428.683943] ? smp_call_function_single_interrupt+0x650/0x650 [ 428.689840] ? interrupt_entry+0xb5/0xc0 [ 428.693909] ? trace_hardirqs_off_caller+0xbb/0x310 [ 428.698930] ? trace_hardirqs_off_caller+0xbb/0x310 [ 428.703955] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 428.708802] ? trace_hardirqs_on_caller+0x310/0x310 [ 428.713838] ? trace_hardirqs_on_caller+0x310/0x310 [ 428.718881] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 428.723746] apic_timer_interrupt+0xf/0x20 [ 428.727976] [ 428.730218] RIP: 0010:dump_stack+0x358/0x39d [ 428.734630] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 f1 36 ed f9 48 83 3d f9 27 7c 01 00 0f 84 63 fe ff ff e8 6e b7 a9 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b b7 a9 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 428.753546] RSP: 0000:ffff8881bb40e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 428.761270] RAX: ffff8881c2208180 RBX: 1ffffffff12a3f6e RCX: 1ffff1103844114e [ 428.768547] RDX: 0000000000000000 RSI: ffffffff87d5d382 RDI: 0000000000000293 [ 428.775833] RBP: ffff8881bb40e290 R08: ffff8881c2208a70 R09: 0000000000000006 [ 428.783119] R10: 0000000000000000 R11: ffff8881c2208180 R12: 1ffff11037681c45 [ 428.790395] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 428.797704] ? dump_stack+0x34f/0x39d [ 428.801524] ? dump_stack_print_info.cold.1+0x20/0x20 [ 428.806726] ? mark_held_locks+0x130/0x130 [ 428.810963] ? mark_held_locks+0x130/0x130 [ 428.815210] dump_header+0x27b/0xf72 [ 428.818940] ? pagefault_out_of_memory+0x197/0x197 [ 428.823886] ? __lock_acquire+0x62f/0x4c20 [ 428.828127] ? percpu_ref_get_many+0x240/0x240 [ 428.832720] ? print_usage_bug+0xc0/0xc0 [ 428.836799] ? zap_class+0x640/0x640 [ 428.840517] ? print_usage_bug+0xc0/0xc0 [ 428.844592] ? print_usage_bug+0xc0/0xc0 [ 428.848659] ? zap_class+0x640/0x640 [ 428.852386] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.857940] ? find_held_lock+0x36/0x1c0 [ 428.862015] ? mark_held_locks+0xc7/0x130 [ 428.866187] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 428.871297] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 428.876407] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 428.881002] ? trace_hardirqs_on+0xbd/0x310 [ 428.885332] ? kasan_check_read+0x11/0x20 [ 428.889490] ? ___ratelimit+0x3b4/0x672 [ 428.893473] ? trace_hardirqs_off_caller+0x310/0x310 [ 428.898586] ? trace_hardirqs_on+0x310/0x310 [ 428.903000] ? lock_downgrade+0x900/0x900 [ 428.907164] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 428.912295] ? ___ratelimit+0x3b9/0x672 [ 428.916281] ? idr_get_free+0xf70/0xf70 [ 428.920266] ? find_held_lock+0x36/0x1c0 [ 428.924353] oom_kill_process.cold.27+0x10/0x903 [ 428.929115] ? zap_class+0x640/0x640 [ 428.932835] ? check_preemption_disabled+0x48/0x280 [ 428.937866] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 428.942803] ? kasan_check_read+0x11/0x20 [ 428.946959] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 428.952246] ? oom_evaluate_task+0x540/0x540 [ 428.956675] ? find_held_lock+0x36/0x1c0 [ 428.960747] ? out_of_memory+0x974/0x1430 [ 428.964905] ? lock_downgrade+0x900/0x900 [ 428.969071] ? check_preemption_disabled+0x48/0x280 [ 428.974104] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 428.979038] ? kasan_check_read+0x11/0x20 [ 428.983198] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 428.988495] ? rcu_softirq_qs+0x20/0x20 [ 428.992481] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 428.998029] ? oom_evaluate_task+0x302/0x540 [ 429.002456] out_of_memory+0xa84/0x1430 [ 429.006449] ? oom_killer_disable+0x3a0/0x3a0 [ 429.010955] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 429.015898] ? __ww_mutex_check_waiters+0x160/0x160 [ 429.020933] __alloc_pages_slowpath+0x232c/0x2de0 [ 429.025815] ? warn_alloc+0x120/0x120 [ 429.029617] ? mark_held_locks+0x130/0x130 [ 429.033862] ? find_get_entry+0xaae/0x1120 [ 429.038114] ? filemap_map_pages+0x1a20/0x1a20 [ 429.042710] ? zap_class+0x640/0x640 [ 429.046454] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.052025] ? check_preemption_disabled+0x48/0x280 [ 429.057065] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 429.062611] ? should_fail+0x22d/0xd01 [ 429.066508] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 429.071624] ? zap_class+0x640/0x640 [ 429.075366] ? __lock_is_held+0xb5/0x140 [ 429.079443] ? mark_held_locks+0x130/0x130 [ 429.083694] ? lock_release+0xa00/0xa00 [ 429.087673] ? perf_trace_sched_process_exec+0x860/0x860 [ 429.093132] ? xa_load+0x2ba/0x460 [ 429.096682] ? lock_downgrade+0x900/0x900 [ 429.100844] ? __might_sleep+0x95/0x190 [ 429.104830] __alloc_pages_nodemask+0xad8/0xea0 [ 429.109512] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 429.114541] ? __page_cache_alloc+0x191/0x5c0 [ 429.119042] ? xa_load+0x2e1/0x460 [ 429.122594] ? xa_clear_mark+0x40/0x40 [ 429.126488] ? zap_class+0x640/0x640 [ 429.130213] ? zap_class+0x640/0x640 [ 429.133930] ? zap_class+0x640/0x640 [ 429.137650] ? __do_page_cache_readahead+0x663/0x810 [ 429.142770] ? find_held_lock+0x36/0x1c0 [ 429.146841] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 429.152397] alloc_pages_current+0x173/0x350 [ 429.156822] __page_cache_alloc+0x38c/0x5c0 [ 429.161147] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 429.166102] ? kasan_check_read+0x11/0x20 [ 429.170262] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 429.175551] ? generic_perform_write+0x6a0/0x6a0 [ 429.180791] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 429.186349] ? check_preemption_disabled+0x48/0x280 [ 429.191386] filemap_fault+0x1595/0x25f0 [ 429.195475] ? __lock_page_or_retry+0xa00/0xa00 [ 429.200161] ? mark_held_locks+0x130/0x130 [ 429.204411] ? filemap_map_pages+0xd6b/0x1a20 [ 429.208922] ? lock_downgrade+0x900/0x900 [ 429.213083] ? check_preemption_disabled+0x48/0x280 [ 429.218127] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 429.223068] ? kasan_check_read+0x11/0x20 [ 429.227223] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 429.232509] ? rcu_softirq_qs+0x20/0x20 [ 429.236506] ? filemap_map_pages+0xd92/0x1a20 [ 429.241023] ? find_get_entries_tag+0x1400/0x1400 [ 429.245887] ? debug_object_destroy+0x2b0/0x2b0 [ 429.250567] ? lock_pi_update_atomic+0x150/0x150 [ 429.255335] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.260900] ? lock_acquire+0x1ed/0x520 [ 429.264889] ? ext4_filemap_fault+0x7a/0xad [ 429.269229] ? lock_release+0xa00/0xa00 [ 429.273207] ? perf_trace_sched_process_exec+0x860/0x860 [ 429.278675] ? print_usage_bug+0xc0/0xc0 [ 429.282743] ? print_usage_bug+0xc0/0xc0 [ 429.286819] ? down_read+0x8d/0x120 [ 429.290451] ? ext4_filemap_fault+0x7a/0xad [ 429.294782] ? __down_interruptible+0x700/0x700 [ 429.299473] ext4_filemap_fault+0x82/0xad [ 429.303633] __do_fault+0x100/0x6b0 [ 429.307266] ? find_held_lock+0x36/0x1c0 [ 429.311337] ? pmd_devmap_trans_unstable+0x220/0x220 [ 429.316454] ? mark_held_locks+0x130/0x130 [ 429.320693] ? mark_held_locks+0x130/0x130 [ 429.324936] ? debug_smp_processor_id+0x1c/0x20 [ 429.329613] ? perf_trace_lock+0x14d/0x7a0 [ 429.333861] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 429.339418] __handle_mm_fault+0x3ea0/0x5be0 [ 429.343848] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 429.348701] ? lock_is_held_type+0x210/0x210 [ 429.353120] ? __switch_to_asm+0x34/0x70 [ 429.357182] ? __switch_to_asm+0x34/0x70 [ 429.361260] ? zap_class+0x640/0x640 [ 429.364984] ? zap_class+0x640/0x640 [ 429.368700] ? __x64_sys_futex+0x53e/0x6a0 [ 429.372948] ? find_held_lock+0x36/0x1c0 [ 429.377027] ? handle_mm_fault+0x42a/0xc70 [ 429.381280] ? lock_downgrade+0x900/0x900 [ 429.385436] ? check_preemption_disabled+0x48/0x280 [ 429.390472] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 429.395421] ? kasan_check_read+0x11/0x20 [ 429.399578] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 429.404879] ? rcu_softirq_qs+0x20/0x20 [ 429.408857] ? trace_hardirqs_off_caller+0x310/0x310 [ 429.413970] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 429.419520] ? check_preemption_disabled+0x48/0x280 [ 429.424572] handle_mm_fault+0x54f/0xc70 [ 429.428648] ? __handle_mm_fault+0x5be0/0x5be0 [ 429.433239] ? find_vma+0x34/0x190 [ 429.436793] __do_page_fault+0x5e8/0xe60 [ 429.440859] ? trace_hardirqs_off+0xb8/0x310 [ 429.445287] do_page_fault+0xf2/0x7e0 [ 429.449097] ? vmalloc_sync_all+0x30/0x30 [ 429.453251] ? error_entry+0x70/0xd0 [ 429.456974] ? trace_hardirqs_off_caller+0xbb/0x310 [ 429.461996] ? trace_hardirqs_on_caller+0xc0/0x310 [ 429.466932] ? syscall_return_slowpath+0x5e0/0x5e0 [ 429.471869] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 429.476721] ? trace_hardirqs_on_caller+0x310/0x310 [ 429.481745] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 429.487209] ? prepare_exit_to_usermode+0x291/0x3b0 [ 429.492234] ? page_fault+0x8/0x30 [ 429.495783] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 429.500638] ? page_fault+0x8/0x30 [ 429.504186] page_fault+0x1e/0x30 [ 429.507638] RIP: 0033:0x45ddf3 [ 429.510846] Code: Bad RIP value. [ 429.514217] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 429.519585] RAX: ffffffffffffff92 RBX: 0000000028898d51 RCX: 000000000045ddf3 [ 429.526863] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014f1120 [ 429.534142] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 429.541429] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 429.548711] R13: 000000c42841fe60 R14: 0000000000000001 R15: 0000000000000000 [ 429.556017] warn_alloc_show_mem: 1 callbacks suppressed [ 429.556030] CPU: 1 PID: 16798 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #167 [ 429.556031] Mem-Info: [ 429.556072] active_anon:45985 inactive_anon:296 isolated_anon:0 [ 429.556072] active_file:15 inactive_file:8 isolated_file:0 [ 429.556072] unevictable:0 dirty:0 writeback:0 unstable:0 [ 429.556072] slab_reclaimable:9236 slab_unreclaimable:1461135 [ 429.556072] mapped:40979 shmem:353 pagetables:587 bounce:0 [ 429.556072] free:13771 free_pcp:249 free_cma:0 [ 429.561416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 429.561428] Call Trace: [ 429.568815] Node 0 active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1412kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 429.571221] [ 429.604013] 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 [ 429.613392] dump_stack+0x244/0x39d [ 429.615953] lowmem_reserve[]: 0 2818 6321 6321 [ 429.643733] ? dump_stack_print_info.cold.1+0x20/0x20 [ 429.645857] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:404kB local_pcp:156kB free_cma:0kB [ 429.671982] warn_alloc.cold.116+0xb7/0x1bd [ 429.675585] lowmem_reserve[]: 0 0 3503 3503 [ 429.680175] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 429.685344] Node 0 Normal free:14000kB min:37364kB low:46704kB high:56044kB active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2348kB bounce:0kB free_pcp:592kB local_pcp:388kB free_cma:0kB [ 429.712859] ? lock_downgrade+0x900/0x900 [ 429.717161] lowmem_reserve[]: 0 0 0 0 [ 429.721494] ? trace_hardirqs_off+0xb8/0x310 [ 429.726315] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 429.755309] ? trace_hardirqs_off+0xb8/0x310 [ 429.759441] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 2*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 429.763251] __alloc_pages_slowpath+0x2651/0x2de0 [ 429.767632] Node 0 Normal: 794*4kB (MEH) 441*8kB (UMEH) 176*16kB (UME) 69*32kB (UMEH) 18*64kB (UM) 1*128kB (U) 2*256kB (U) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14032kB [ 429.781202] ? warn_alloc+0x120/0x120 [ 429.785583] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 429.800675] ? warn_alloc+0x120/0x120 [ 429.805525] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 429.820979] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 429.824760] 376 total pagecache pages [ 429.833606] ? warn_alloc+0x120/0x120 [ 429.837393] 0 pages in swap cache [ 429.845973] ? print_usage_bug+0xc0/0xc0 [ 429.850970] Swap cache stats: add 0, delete 0, find 0/0 [ 429.854769] ? print_usage_bug+0xc0/0xc0 [ 429.858547] Free swap = 0kB [ 429.862002] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 429.866037] Total swap = 0kB [ 429.871419] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 429.875459] 1965979 pages RAM [ 429.878490] ? should_fail+0x22d/0xd01 [ 429.883646] 0 pages HighMem/MovableOnly [ 429.883655] 342854 pages reserved [ 429.886682] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 429.892195] 0 pages cma reserved [ 429.895306] ? __lock_acquire+0x62f/0x4c20 [ 429.899226] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 429.903149] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 429.906644] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 429.911702] ? should_fail+0x22d/0xd01 [ 429.915060] syz-fuzzer cpuset=/ mems_allowed=0 [ 429.919303] ? mark_held_locks+0x130/0x130 [ 429.953784] ? mark_held_locks+0x130/0x130 [ 429.958037] ? print_usage_bug+0xc0/0xc0 [ 429.962126] ? find_held_lock+0x36/0x1c0 [ 429.966214] ? zap_class+0x640/0x640 [ 429.969952] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.975507] ? check_preemption_disabled+0x48/0x280 [ 429.980548] ? __lock_is_held+0xb5/0x140 [ 429.984630] __alloc_pages_nodemask+0xad8/0xea0 [ 429.989315] ? zap_class+0x640/0x640 [ 429.993050] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 429.998112] ? find_held_lock+0x36/0x1c0 [ 430.002198] ? ____cache_alloc_node+0x1c7/0x1e0 [ 430.006883] ? lock_downgrade+0x900/0x900 [ 430.011068] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.016628] cache_grow_begin+0xa5/0x8c0 [ 430.020706] ? do_raw_spin_unlock+0xa7/0x330 [ 430.025138] fallback_alloc+0x204/0x2e0 [ 430.029133] ____cache_alloc_node+0x1c7/0x1e0 [ 430.033652] kmem_cache_alloc_node+0xe3/0x730 [ 430.038166] ? mark_held_locks+0xc7/0x130 [ 430.042340] __alloc_skb+0x119/0x770 [ 430.046079] ? netdev_alloc_frag+0x1f0/0x1f0 [ 430.050499] ? do_raw_spin_trylock+0x270/0x270 [ 430.055102] ? kmem_cache_alloc_trace+0x353/0x750 [ 430.059972] ? queue_work_on+0x12c/0x1e0 [ 430.064076] ? switchdev_port_obj_del+0xe3/0x450 [ 430.068851] ? switchdev_trans_item_enqueue+0x260/0x260 [ 430.074243] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 430.079287] __br_mdb_notify+0x4ff/0x15d0 [ 430.083471] ? __br_mdb_add+0x7f0/0x7f0 [ 430.087471] ? zap_class+0x640/0x640 [ 430.091211] ? br_multicast_group_expired+0x96/0x610 [ 430.096328] ? lock_downgrade+0x900/0x900 [ 430.100523] br_mdb_notify+0x310/0x410 [ 430.104427] ? br_mdb_dump+0x27b0/0x27b0 [ 430.108508] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.114078] br_multicast_group_expired+0x1bc/0x610 [ 430.119115] ? br_mdb_free+0x80/0x80 [ 430.122857] call_timer_fn+0x272/0x920 [ 430.126758] ? br_mdb_free+0x80/0x80 [ 430.130483] ? process_timeout+0x40/0x40 [ 430.134576] ? __run_timers+0x7da/0xc70 [ 430.138565] ? _raw_spin_unlock_irq+0x27/0x80 [ 430.143080] ? _raw_spin_unlock_irq+0x27/0x80 [ 430.147589] ? br_mdb_free+0x80/0x80 [ 430.151320] ? lockdep_hardirqs_on+0x296/0x5b0 [ 430.155920] ? trace_hardirqs_on+0xbd/0x310 [ 430.160256] ? kasan_check_read+0x11/0x20 [ 430.164418] ? __run_timers+0x7da/0xc70 [ 430.168403] ? trace_hardirqs_off_caller+0x310/0x310 [ 430.173534] ? br_mdb_free+0x80/0x80 [ 430.177263] ? br_mdb_free+0x80/0x80 [ 430.180984] __run_timers+0x7e5/0xc70 [ 430.184808] ? timer_fixup_init+0x70/0x70 [ 430.188984] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 430.194021] ? zap_class+0x640/0x640 [ 430.197761] ? enqueue_hrtimer+0x1a5/0x560 [ 430.202011] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 430.207222] ? find_held_lock+0x36/0x1c0 [ 430.211301] ? zap_class+0x640/0x640 [ 430.215027] ? pvclock_read_flags+0x160/0x160 [ 430.219547] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.225106] ? check_preemption_disabled+0x48/0x280 [ 430.230147] ? __lock_is_held+0xb5/0x140 [ 430.234227] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.239780] ? check_preemption_disabled+0x48/0x280 [ 430.244816] run_timer_softirq+0x52/0xb0 [ 430.248894] ? rcu_read_lock_sched_held+0x14f/0x180 [ 430.253938] __do_softirq+0x308/0xb7e [ 430.257760] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 430.262267] ? lock_downgrade+0x900/0x900 [ 430.266434] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 430.271558] ? pvclock_read_flags+0x160/0x160 [ 430.276076] ? lapic_next_event+0x5a/0x90 [ 430.280243] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.285802] ? kvm_clock_read+0x18/0x30 [ 430.289788] ? kvm_sched_clock_read+0x9/0x20 [ 430.294214] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.299769] ? check_preemption_disabled+0x48/0x280 [ 430.304808] irq_exit+0x17f/0x1c0 [ 430.308277] smp_apic_timer_interrupt+0x1cb/0x760 [ 430.313600] ? smp_reschedule_interrupt+0x109/0x650 [ 430.318641] ? smp_call_function_single_interrupt+0x650/0x650 [ 430.324547] ? interrupt_entry+0xb5/0xc0 [ 430.328627] ? trace_hardirqs_off_caller+0xbb/0x310 [ 430.333657] ? trace_hardirqs_off_caller+0xbb/0x310 [ 430.338693] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 430.343558] ? trace_hardirqs_on_caller+0x310/0x310 [ 430.348585] ? trace_hardirqs_on_caller+0x310/0x310 [ 430.353616] ? task_prio+0x50/0x50 [ 430.357172] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.362727] ? check_preemption_disabled+0x48/0x280 [ 430.367767] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 430.372635] apic_timer_interrupt+0xf/0x20 [ 430.377537] [ 430.379790] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 430.384730] Code: 7e 0f 85 cf fe ff ff e8 66 cb 3d ff e9 c5 fe ff ff e8 0d 01 c3 ff 48 83 3d a5 49 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 42 f3 [ 430.403665] RSP: 0018:ffff888195497718 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 430.411395] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 430.418686] RDX: 0000000000000000 RSI: ffff8881d2488b40 RDI: 0000000000000282 [ 430.425986] RBP: ffff888195497780 R08: ffff8881d24882c0 R09: 0000000000000000 [ 430.433270] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 430.440559] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020 [ 430.447888] skb_clone+0x1bb/0x500 [ 430.451459] ? skb_split+0x11e0/0x11e0 [ 430.455363] ? check_preemption_disabled+0x48/0x280 [ 430.460401] ? __this_cpu_preempt_check+0x1c/0x20 [ 430.465259] ? __bpf_redirect+0x55b/0xb60 [ 430.469427] ? __switch_to_asm+0x34/0x70 [ 430.473510] ? __switch_to_asm+0x40/0x70 [ 430.477593] bpf_clone_redirect+0xb9/0x490 [ 430.481854] bpf_prog_3d1649e183dc2cc1+0xaf9/0x1000 [ 430.486889] ? __sched_text_start+0x8/0x8 [ 430.491077] ? find_held_lock+0x36/0x1c0 [ 430.495160] ? lock_acquire+0x1ed/0x520 [ 430.499151] ? bpf_test_run+0x3cb/0x780 [ 430.503141] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.508700] ? check_preemption_disabled+0x48/0x280 [ 430.513739] ? kasan_check_read+0x11/0x20 [ 430.517898] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 430.523192] ? rcu_softirq_qs+0x20/0x20 [ 430.527200] ? preempt_schedule+0x4d/0x60 [ 430.531361] ? ___preempt_schedule+0x16/0x18 [ 430.535796] ? bpf_test_run+0x25d/0x780 [ 430.539799] ? netlink_diag_dump+0x2a0/0x2a0 [ 430.544228] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 430.549780] ? bpf_test_init.isra.10+0x70/0x100 [ 430.554473] ? bpf_prog_test_run_skb+0x73b/0xd10 [ 430.559258] ? bpf_test_finish.isra.9+0x260/0x260 [ 430.564115] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 430.569670] ? fput+0x130/0x1a0 [ 430.572972] ? __bpf_prog_get+0x9b/0x290 [ 430.577060] ? bpf_test_finish.isra.9+0x260/0x260 [ 430.581928] ? bpf_prog_test_run+0x130/0x1a0 [ 430.586356] ? __x64_sys_bpf+0x3db/0x520 [ 430.590446] ? bpf_prog_get+0x20/0x20 [ 430.594298] ? do_syscall_64+0x1b9/0x820 [ 430.598380] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 430.603770] ? syscall_return_slowpath+0x5e0/0x5e0 [ 430.608716] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 430.613612] ? trace_hardirqs_on_caller+0x310/0x310 [ 430.618658] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 430.623694] ? prepare_exit_to_usermode+0x291/0x3b0 [ 430.628738] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 430.633609] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 430.639008] CPU: 0 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #167 [ 430.639169] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 430.646050] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 430.656544] syz-executor0 cpuset=syz0 mems_allowed=0 [ 430.665910] Call Trace: [ 430.673591] [ 430.675752] dump_stack+0x244/0x39d [ 430.679385] ? dump_stack_print_info.cold.1+0x20/0x20 [ 430.684598] warn_alloc.cold.116+0xb7/0x1bd [ 430.688928] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 430.693782] ? lock_downgrade+0x900/0x900 [ 430.697943] ? trace_hardirqs_off+0xb8/0x310 [ 430.702372] ? trace_hardirqs_off+0xb8/0x310 [ 430.706801] __alloc_pages_slowpath+0x2651/0x2de0 [ 430.711683] ? warn_alloc+0x120/0x120 [ 430.715495] ? print_usage_bug+0xc0/0xc0 [ 430.719562] ? warn_alloc+0x120/0x120 [ 430.723371] ? warn_alloc+0x120/0x120 [ 430.727176] ? print_usage_bug+0xc0/0xc0 [ 430.731252] ? print_usage_bug+0xc0/0xc0 [ 430.735321] ? __lock_acquire+0x62f/0x4c20 [ 430.739571] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 430.745121] ? should_fail+0x22d/0xd01 [ 430.749016] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 430.754131] ? __lock_acquire+0x62f/0x4c20 [ 430.758388] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 430.763511] ? __lock_acquire+0x62f/0x4c20 [ 430.767750] ? should_fail+0x22d/0xd01 [ 430.771647] ? find_held_lock+0x36/0x1c0 [ 430.775724] ? mark_held_locks+0x130/0x130 [ 430.779969] ? mark_held_locks+0x130/0x130 [ 430.784211] ? zap_class+0x640/0x640 [ 430.787939] ? zap_class+0x640/0x640 [ 430.791662] ? print_usage_bug+0xc0/0xc0 [ 430.795728] ? do_raw_spin_unlock+0xa7/0x330 [ 430.800145] ? zap_class+0x640/0x640 [ 430.803863] ? print_usage_bug+0xc0/0xc0 [ 430.807933] ? wq_watchdog_touch+0x9c/0xfe [ 430.812181] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.817736] ? check_preemption_disabled+0x48/0x280 [ 430.822774] ? __lock_is_held+0xb5/0x140 [ 430.826848] __alloc_pages_nodemask+0xad8/0xea0 [ 430.831531] ? zap_class+0x640/0x640 [ 430.835254] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 430.840287] ? find_held_lock+0x36/0x1c0 [ 430.844364] ? ____cache_alloc_node+0x1c7/0x1e0 [ 430.849041] ? lock_downgrade+0x900/0x900 [ 430.853217] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.858771] cache_grow_begin+0xa5/0x8c0 [ 430.862839] ? do_raw_spin_unlock+0xa7/0x330 [ 430.867263] fallback_alloc+0x204/0x2e0 [ 430.871251] ____cache_alloc_node+0x1c7/0x1e0 [ 430.875762] kmem_cache_alloc_node+0xe3/0x730 [ 430.880266] ? ipv6_get_ifaddr+0x42e/0x620 [ 430.884517] __alloc_skb+0x119/0x770 [ 430.888237] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 430.893537] ? netdev_alloc_frag+0x1f0/0x1f0 [ 430.897958] ? lock_downgrade+0x900/0x900 [ 430.902122] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.907685] ? refcount_sub_and_test_checked+0x203/0x310 [ 430.913156] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 430.918625] ? addrconf_rs_timer+0x690/0x690 [ 430.923065] ndisc_alloc_skb+0x144/0x340 [ 430.927152] ndisc_send_rs+0x331/0x6e0 [ 430.931061] addrconf_rs_timer+0x314/0x690 [ 430.935315] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 430.939587] call_timer_fn+0x272/0x920 [ 430.943485] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 430.947723] ? process_timeout+0x40/0x40 [ 430.951803] ? mark_held_locks+0xc7/0x130 [ 430.955960] ? _raw_spin_unlock_irq+0x27/0x80 [ 430.960465] ? _raw_spin_unlock_irq+0x27/0x80 [ 430.964965] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 430.969207] ? lockdep_hardirqs_on+0x296/0x5b0 [ 430.973799] ? trace_hardirqs_on+0xbd/0x310 [ 430.978140] ? kasan_check_read+0x11/0x20 [ 430.982297] ? __run_timers+0x7da/0xc70 [ 430.986275] ? trace_hardirqs_off_caller+0x310/0x310 [ 430.991392] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 430.995658] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 430.999898] __run_timers+0x7e5/0xc70 [ 431.003718] ? timer_fixup_init+0x70/0x70 [ 431.007873] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 431.012897] ? zap_class+0x640/0x640 [ 431.016619] ? print_usage_bug+0xc0/0xc0 [ 431.020687] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 431.025906] ? find_held_lock+0x36/0x1c0 [ 431.029977] ? zap_class+0x640/0x640 [ 431.033702] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.039249] ? check_preemption_disabled+0x48/0x280 [ 431.044288] ? __lock_is_held+0xb5/0x140 [ 431.048357] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.053907] ? check_preemption_disabled+0x48/0x280 [ 431.058937] run_timer_softirq+0x52/0xb0 [ 431.063008] ? rcu_read_lock_sched_held+0x14f/0x180 [ 431.068036] __do_softirq+0x308/0xb7e [ 431.071857] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 431.076363] ? lock_downgrade+0x900/0x900 [ 431.080525] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 431.085645] ? pvclock_read_flags+0x160/0x160 [ 431.090150] ? lapic_next_event+0x5a/0x90 [ 431.094309] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.099867] ? kvm_clock_read+0x18/0x30 [ 431.103847] ? kvm_sched_clock_read+0x9/0x20 [ 431.108266] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 431.113817] ? check_preemption_disabled+0x48/0x280 [ 431.118851] irq_exit+0x17f/0x1c0 [ 431.122315] smp_apic_timer_interrupt+0x1cb/0x760 [ 431.127170] ? smp_reschedule_interrupt+0x109/0x650 [ 431.132205] ? smp_call_function_single_interrupt+0x650/0x650 [ 431.138107] ? interrupt_entry+0xb5/0xc0 [ 431.142181] ? trace_hardirqs_off_caller+0xbb/0x310 [ 431.147210] ? trace_hardirqs_off_caller+0xbb/0x310 [ 431.152241] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 431.157108] ? trace_hardirqs_on_caller+0x310/0x310 [ 431.162149] ? trace_hardirqs_on_caller+0x310/0x310 [ 431.167197] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 431.172065] apic_timer_interrupt+0xf/0x20 [ 431.176297] [ 431.178538] RIP: 0010:dump_stack+0x358/0x39d [ 431.183478] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 f1 36 ed f9 48 83 3d f9 27 7c 01 00 0f 84 63 fe ff ff e8 6e b7 a9 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b b7 a9 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 431.202393] RSP: 0000:ffff8881bb40e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 431.210131] RAX: ffff8881c2208180 RBX: 1ffffffff12a3f6e RCX: 1ffff1103844114e [ 431.217410] RDX: 0000000000000000 RSI: ffffffff87d5d382 RDI: 0000000000000293 [ 431.224695] RBP: ffff8881bb40e290 R08: ffff8881c2208a70 R09: 0000000000000006 [ 431.231979] R10: 0000000000000000 R11: ffff8881c2208180 R12: 1ffff11037681c45 [ 431.239870] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 431.247172] ? dump_stack+0x34f/0x39d [ 431.250991] ? dump_stack_print_info.cold.1+0x20/0x20 [ 431.256195] ? mark_held_locks+0x130/0x130 [ 431.260439] ? mark_held_locks+0x130/0x130 [ 431.264696] dump_header+0x27b/0xf72 [ 431.268433] ? pagefault_out_of_memory+0x197/0x197 [ 431.273382] ? __lock_acquire+0x62f/0x4c20 [ 431.277628] ? percpu_ref_get_many+0x240/0x240 [ 431.282226] ? print_usage_bug+0xc0/0xc0 [ 431.286298] ? zap_class+0x640/0x640 [ 431.290017] ? print_usage_bug+0xc0/0xc0 [ 431.294086] ? print_usage_bug+0xc0/0xc0 [ 431.298157] ? zap_class+0x640/0x640 [ 431.301882] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.307441] ? find_held_lock+0x36/0x1c0 [ 431.311521] ? mark_held_locks+0xc7/0x130 [ 431.315675] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 431.320782] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 431.325895] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 431.330484] ? trace_hardirqs_on+0xbd/0x310 [ 431.334812] ? kasan_check_read+0x11/0x20 [ 431.338966] ? ___ratelimit+0x3b4/0x672 [ 431.342949] ? trace_hardirqs_off_caller+0x310/0x310 [ 431.348072] ? trace_hardirqs_on+0x310/0x310 [ 431.352488] ? lock_downgrade+0x900/0x900 [ 431.356647] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 431.361759] ? ___ratelimit+0x3b9/0x672 [ 431.365749] ? idr_get_free+0xf70/0xf70 [ 431.369733] ? find_held_lock+0x36/0x1c0 [ 431.373922] oom_kill_process.cold.27+0x10/0x903 [ 431.378687] ? zap_class+0x640/0x640 [ 431.382409] ? check_preemption_disabled+0x48/0x280 [ 431.387448] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 431.392388] ? kasan_check_read+0x11/0x20 [ 431.396549] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 431.401839] ? oom_evaluate_task+0x540/0x540 [ 431.406257] ? find_held_lock+0x36/0x1c0 [ 431.410330] ? out_of_memory+0x974/0x1430 [ 431.414495] ? lock_downgrade+0x900/0x900 [ 431.418650] ? check_preemption_disabled+0x48/0x280 [ 431.423681] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 431.428617] ? kasan_check_read+0x11/0x20 [ 431.432768] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 431.438072] ? rcu_softirq_qs+0x20/0x20 [ 431.442070] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 431.447615] ? oom_evaluate_task+0x302/0x540 [ 431.452031] out_of_memory+0xa84/0x1430 [ 431.456024] ? oom_killer_disable+0x3a0/0x3a0 [ 431.460532] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 431.465470] ? __ww_mutex_check_waiters+0x160/0x160 [ 431.470507] __alloc_pages_slowpath+0x232c/0x2de0 [ 431.475390] ? warn_alloc+0x120/0x120 [ 431.479198] ? mark_held_locks+0x130/0x130 [ 431.483453] ? find_get_entry+0xaae/0x1120 [ 431.487704] ? filemap_map_pages+0x1a20/0x1a20 [ 431.492300] ? zap_class+0x640/0x640 [ 431.496031] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.501587] ? check_preemption_disabled+0x48/0x280 [ 431.506624] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 431.512172] ? should_fail+0x22d/0xd01 [ 431.516077] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 431.521190] ? zap_class+0x640/0x640 [ 431.524931] ? __lock_is_held+0xb5/0x140 [ 431.529005] ? mark_held_locks+0x130/0x130 [ 431.533248] ? lock_release+0xa00/0xa00 [ 431.537229] ? perf_trace_sched_process_exec+0x860/0x860 [ 431.542685] ? xa_load+0x2ba/0x460 [ 431.546229] ? lock_downgrade+0x900/0x900 [ 431.550395] ? __might_sleep+0x95/0x190 [ 431.554391] __alloc_pages_nodemask+0xad8/0xea0 [ 431.559083] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 431.564149] ? __page_cache_alloc+0x191/0x5c0 [ 431.568643] ? xa_load+0x2e1/0x460 [ 431.572190] ? xa_clear_mark+0x40/0x40 [ 431.576091] ? zap_class+0x640/0x640 [ 431.579816] ? zap_class+0x640/0x640 [ 431.583535] ? zap_class+0x640/0x640 [ 431.587254] ? __do_page_cache_readahead+0x663/0x810 [ 431.592371] ? find_held_lock+0x36/0x1c0 [ 431.596445] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 431.601995] alloc_pages_current+0x173/0x350 [ 431.606421] __page_cache_alloc+0x38c/0x5c0 [ 431.610746] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 431.615681] ? kasan_check_read+0x11/0x20 [ 431.619835] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 431.625126] ? generic_perform_write+0x6a0/0x6a0 [ 431.629891] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 431.635443] ? check_preemption_disabled+0x48/0x280 [ 431.640476] filemap_fault+0x1595/0x25f0 [ 431.644560] ? __lock_page_or_retry+0xa00/0xa00 [ 431.649245] ? mark_held_locks+0x130/0x130 [ 431.653495] ? filemap_map_pages+0xd6b/0x1a20 [ 431.657998] ? lock_downgrade+0x900/0x900 [ 431.662155] ? check_preemption_disabled+0x48/0x280 [ 431.667183] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 431.672117] ? kasan_check_read+0x11/0x20 [ 431.676271] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 431.681557] ? rcu_softirq_qs+0x20/0x20 [ 431.685553] ? filemap_map_pages+0xd92/0x1a20 [ 431.690077] ? find_get_entries_tag+0x1400/0x1400 [ 431.694934] ? debug_object_destroy+0x2b0/0x2b0 [ 431.699622] ? lock_pi_update_atomic+0x150/0x150 [ 431.704380] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.709938] ? lock_acquire+0x1ed/0x520 [ 431.713917] ? ext4_filemap_fault+0x7a/0xad [ 431.718253] ? lock_release+0xa00/0xa00 [ 431.722226] ? perf_trace_sched_process_exec+0x860/0x860 [ 431.727684] ? print_usage_bug+0xc0/0xc0 [ 431.731754] ? print_usage_bug+0xc0/0xc0 [ 431.735829] ? down_read+0x8d/0x120 [ 431.739455] ? ext4_filemap_fault+0x7a/0xad [ 431.743781] ? __down_interruptible+0x700/0x700 [ 431.748468] ext4_filemap_fault+0x82/0xad [ 431.752624] __do_fault+0x100/0x6b0 [ 431.756257] ? find_held_lock+0x36/0x1c0 [ 431.760329] ? pmd_devmap_trans_unstable+0x220/0x220 [ 431.765456] ? mark_held_locks+0x130/0x130 [ 431.769695] ? mark_held_locks+0x130/0x130 [ 431.773936] ? debug_smp_processor_id+0x1c/0x20 [ 431.778618] ? perf_trace_lock+0x14d/0x7a0 [ 431.782867] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 431.788425] __handle_mm_fault+0x3ea0/0x5be0 [ 431.792855] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 431.797705] ? lock_is_held_type+0x210/0x210 [ 431.802126] ? __switch_to_asm+0x34/0x70 [ 431.806191] ? __switch_to_asm+0x34/0x70 [ 431.810273] ? zap_class+0x640/0x640 [ 431.813988] ? zap_class+0x640/0x640 [ 431.817708] ? __x64_sys_futex+0x53e/0x6a0 [ 431.821954] ? find_held_lock+0x36/0x1c0 [ 431.826030] ? handle_mm_fault+0x42a/0xc70 [ 431.830284] ? lock_downgrade+0x900/0x900 [ 431.834440] ? check_preemption_disabled+0x48/0x280 [ 431.839472] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 431.844426] ? kasan_check_read+0x11/0x20 [ 431.848583] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 431.853868] ? rcu_softirq_qs+0x20/0x20 [ 431.857849] ? trace_hardirqs_off_caller+0x310/0x310 [ 431.862963] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 431.868511] ? check_preemption_disabled+0x48/0x280 [ 431.873542] handle_mm_fault+0x54f/0xc70 [ 431.877615] ? __handle_mm_fault+0x5be0/0x5be0 [ 431.882219] ? find_vma+0x34/0x190 [ 431.885767] __do_page_fault+0x5e8/0xe60 [ 431.889834] ? trace_hardirqs_off+0xb8/0x310 [ 431.894263] do_page_fault+0xf2/0x7e0 [ 431.898076] ? vmalloc_sync_all+0x30/0x30 [ 431.902231] ? error_entry+0x70/0xd0 [ 431.905957] ? trace_hardirqs_off_caller+0xbb/0x310 [ 431.910980] ? trace_hardirqs_on_caller+0xc0/0x310 [ 431.915931] ? syscall_return_slowpath+0x5e0/0x5e0 [ 431.920889] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 431.925742] ? trace_hardirqs_on_caller+0x310/0x310 [ 431.930767] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 431.936233] ? prepare_exit_to_usermode+0x291/0x3b0 [ 431.941259] ? page_fault+0x8/0x30 [ 431.944806] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 431.949659] ? page_fault+0x8/0x30 [ 431.953204] page_fault+0x1e/0x30 [ 431.956656] RIP: 0033:0x45ddf3 [ 431.959860] Code: Bad RIP value. [ 431.963223] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 431.968585] RAX: ffffffffffffff92 RBX: 0000000028898d51 RCX: 000000000045ddf3 [ 431.975861] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014f1120 [ 431.983137] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 431.990413] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 431.997699] R13: 000000c42841fe60 R14: 0000000000000001 R15: 0000000000000000 [ 432.004995] warn_alloc_show_mem: 1 callbacks suppressed [ 432.005007] CPU: 1 PID: 16798 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #167 [ 432.005009] Mem-Info: [ 432.005031] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 432.010409] active_anon:45985 inactive_anon:296 isolated_anon:0 [ 432.010409] active_file:15 inactive_file:8 isolated_file:0 [ 432.010409] unevictable:0 dirty:0 writeback:0 unstable:0 [ 432.010409] slab_reclaimable:9236 slab_unreclaimable:1461135 [ 432.010409] mapped:40979 shmem:353 pagetables:587 bounce:0 [ 432.010409] free:13771 free_pcp:249 free_cma:0 [ 432.017751] Call Trace: [ 432.020177] Node 0 active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1412kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 432.029532] [ 432.062324] 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 [ 432.064920] dump_stack+0x244/0x39d [ 432.092563] lowmem_reserve[]: 0 2818 6321 6321 [ 432.094742] ? dump_stack_print_info.cold.1+0x20/0x20 [ 432.120831] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:404kB local_pcp:156kB free_cma:0kB [ 432.124479] warn_alloc.cold.116+0xb7/0x1bd [ 432.129023] lowmem_reserve[]: 0 0 3503 3503 [ 432.134242] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 432.161747] Node 0 Normal free:14000kB min:37364kB low:46704kB high:56044kB active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2348kB bounce:0kB free_pcp:592kB local_pcp:388kB free_cma:0kB [ 432.166089] ? lock_downgrade+0x900/0x900 [ 432.170384] lowmem_reserve[]: 0 0 0 0 [ 432.175233] ? trace_hardirqs_off+0xb8/0x310 [ 432.204816] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 432.208973] ? trace_hardirqs_off+0xb8/0x310 [ 432.212751] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 2*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 432.217175] __alloc_pages_slowpath+0x2651/0x2de0 [ 432.230680] Node 0 Normal: 794*4kB (MEH) 441*8kB (UMEH) 176*16kB (UME) 69*32kB (UMEH) 18*64kB (UM) 1*128kB (U) 2*256kB (U) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14032kB [ 432.235128] ? warn_alloc+0x120/0x120 [ 432.250533] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 432.255381] ? warn_alloc+0x120/0x120 [ 432.270820] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 432.274630] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 432.283448] 376 total pagecache pages [ 432.283467] 0 pages in swap cache [ 432.287266] ? warn_alloc+0x120/0x120 [ 432.295826] Swap cache stats: add 0, delete 0, find 0/0 [ 432.300847] ? print_usage_bug+0xc0/0xc0 [ 432.304623] Free swap = 0kB [ 432.308087] ? print_usage_bug+0xc0/0xc0 [ 432.311966] Total swap = 0kB [ 432.311974] 1965979 pages RAM [ 432.317347] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 432.321383] 0 pages HighMem/MovableOnly [ 432.321392] 342854 pages reserved [ 432.324421] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 432.328449] 0 pages cma reserved [ 432.328520] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 432.331483] ? should_fail+0x22d/0xd01 [ 432.334623] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 432.339759] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 432.343712] syz-fuzzer cpuset=/ mems_allowed=0 [ 432.347166] ? __lock_acquire+0x62f/0x4c20 [ 432.390542] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 432.395663] ? should_fail+0x22d/0xd01 [ 432.399594] ? mark_held_locks+0x130/0x130 [ 432.403850] ? mark_held_locks+0x130/0x130 [ 432.408103] ? print_usage_bug+0xc0/0xc0 [ 432.412187] ? find_held_lock+0x36/0x1c0 [ 432.416263] ? zap_class+0x640/0x640 [ 432.419996] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.425552] ? check_preemption_disabled+0x48/0x280 [ 432.430598] ? __lock_is_held+0xb5/0x140 [ 432.434677] __alloc_pages_nodemask+0xad8/0xea0 [ 432.439363] ? zap_class+0x640/0x640 [ 432.443104] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 432.448151] ? find_held_lock+0x36/0x1c0 [ 432.452244] ? ____cache_alloc_node+0x1c7/0x1e0 [ 432.456931] ? lock_downgrade+0x900/0x900 [ 432.461110] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.466669] cache_grow_begin+0xa5/0x8c0 [ 432.470746] ? do_raw_spin_unlock+0xa7/0x330 [ 432.475178] fallback_alloc+0x204/0x2e0 [ 432.479170] ____cache_alloc_node+0x1c7/0x1e0 [ 432.483685] kmem_cache_alloc_node+0xe3/0x730 [ 432.488195] ? mark_held_locks+0xc7/0x130 [ 432.492365] __alloc_skb+0x119/0x770 [ 432.496104] ? netdev_alloc_frag+0x1f0/0x1f0 [ 432.500528] ? do_raw_spin_trylock+0x270/0x270 [ 432.505129] ? kmem_cache_alloc_trace+0x353/0x750 [ 432.509992] ? queue_work_on+0x12c/0x1e0 [ 432.514084] ? switchdev_port_obj_del+0xe3/0x450 [ 432.518855] ? switchdev_trans_item_enqueue+0x260/0x260 [ 432.524236] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 432.529272] __br_mdb_notify+0x4ff/0x15d0 [ 432.533444] ? __br_mdb_add+0x7f0/0x7f0 [ 432.537441] ? zap_class+0x640/0x640 [ 432.541179] ? br_multicast_group_expired+0x96/0x610 [ 432.546295] ? lock_downgrade+0x900/0x900 [ 432.550462] br_mdb_notify+0x310/0x410 [ 432.554374] ? br_mdb_dump+0x27b0/0x27b0 [ 432.558455] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.564018] br_multicast_group_expired+0x1bc/0x610 [ 432.569071] ? br_mdb_free+0x80/0x80 [ 432.572810] call_timer_fn+0x272/0x920 [ 432.576714] ? br_mdb_free+0x80/0x80 [ 432.580437] ? process_timeout+0x40/0x40 [ 432.584515] ? __run_timers+0x7da/0xc70 [ 432.588502] ? _raw_spin_unlock_irq+0x27/0x80 [ 432.593022] ? _raw_spin_unlock_irq+0x27/0x80 [ 432.597531] ? br_mdb_free+0x80/0x80 [ 432.601261] ? lockdep_hardirqs_on+0x296/0x5b0 [ 432.605854] ? trace_hardirqs_on+0xbd/0x310 [ 432.610186] ? kasan_check_read+0x11/0x20 [ 432.614344] ? __run_timers+0x7da/0xc70 [ 432.618329] ? trace_hardirqs_off_caller+0x310/0x310 [ 432.623450] ? br_mdb_free+0x80/0x80 [ 432.627183] ? br_mdb_free+0x80/0x80 [ 432.630903] __run_timers+0x7e5/0xc70 [ 432.634727] ? timer_fixup_init+0x70/0x70 [ 432.638889] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 432.643934] ? zap_class+0x640/0x640 [ 432.647675] ? enqueue_hrtimer+0x1a5/0x560 [ 432.651933] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 432.657234] ? find_held_lock+0x36/0x1c0 [ 432.661315] ? zap_class+0x640/0x640 [ 432.665049] ? pvclock_read_flags+0x160/0x160 [ 432.669569] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.675125] ? check_preemption_disabled+0x48/0x280 [ 432.680171] ? __lock_is_held+0xb5/0x140 [ 432.684250] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.689803] ? check_preemption_disabled+0x48/0x280 [ 432.694842] run_timer_softirq+0x52/0xb0 [ 432.698915] ? rcu_read_lock_sched_held+0x14f/0x180 [ 432.703955] __do_softirq+0x308/0xb7e [ 432.707778] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 432.712288] ? lock_downgrade+0x900/0x900 [ 432.716456] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 432.721583] ? pvclock_read_flags+0x160/0x160 [ 432.726104] ? lapic_next_event+0x5a/0x90 [ 432.730269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.735826] ? kvm_clock_read+0x18/0x30 [ 432.739814] ? kvm_sched_clock_read+0x9/0x20 [ 432.744260] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.749813] ? check_preemption_disabled+0x48/0x280 [ 432.754853] irq_exit+0x17f/0x1c0 [ 432.758332] smp_apic_timer_interrupt+0x1cb/0x760 [ 432.763188] ? smp_reschedule_interrupt+0x109/0x650 [ 432.768225] ? smp_call_function_single_interrupt+0x650/0x650 [ 432.774127] ? interrupt_entry+0xb5/0xc0 [ 432.778205] ? trace_hardirqs_off_caller+0xbb/0x310 [ 432.783253] ? trace_hardirqs_off_caller+0xbb/0x310 [ 432.788291] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 432.793156] ? trace_hardirqs_on_caller+0x310/0x310 [ 432.798186] ? trace_hardirqs_on_caller+0x310/0x310 [ 432.803217] ? task_prio+0x50/0x50 [ 432.806777] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.812335] ? check_preemption_disabled+0x48/0x280 [ 432.817373] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 432.822263] apic_timer_interrupt+0xf/0x20 [ 432.826510] [ 432.828763] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 432.833702] Code: 7e 0f 85 cf fe ff ff e8 66 cb 3d ff e9 c5 fe ff ff e8 0d 01 c3 ff 48 83 3d a5 49 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 42 f3 [ 432.852617] RSP: 0018:ffff888195497718 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 432.860346] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 432.867631] RDX: 0000000000000000 RSI: ffff8881d2488b40 RDI: 0000000000000282 [ 432.874914] RBP: ffff888195497780 R08: ffff8881d24882c0 R09: 0000000000000000 [ 432.882201] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 432.889485] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020 [ 432.896817] skb_clone+0x1bb/0x500 [ 432.900378] ? skb_split+0x11e0/0x11e0 [ 432.904280] ? check_preemption_disabled+0x48/0x280 [ 432.909316] ? __this_cpu_preempt_check+0x1c/0x20 [ 432.914172] ? __bpf_redirect+0x55b/0xb60 [ 432.918328] ? __switch_to_asm+0x34/0x70 [ 432.922395] ? __switch_to_asm+0x40/0x70 [ 432.926470] bpf_clone_redirect+0xb9/0x490 [ 432.930731] bpf_prog_3d1649e183dc2cc1+0xaf9/0x1000 [ 432.935765] ? __sched_text_start+0x8/0x8 [ 432.939946] ? find_held_lock+0x36/0x1c0 [ 432.944034] ? lock_acquire+0x1ed/0x520 [ 432.948031] ? bpf_test_run+0x3cb/0x780 [ 432.952027] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.957592] ? check_preemption_disabled+0x48/0x280 [ 432.962634] ? kasan_check_read+0x11/0x20 [ 432.966795] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 432.972091] ? rcu_softirq_qs+0x20/0x20 [ 432.976096] ? preempt_schedule+0x4d/0x60 [ 432.980263] ? ___preempt_schedule+0x16/0x18 [ 432.984696] ? bpf_test_run+0x25d/0x780 [ 432.988694] ? netlink_diag_dump+0x2a0/0x2a0 [ 432.993119] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 432.998672] ? bpf_test_init.isra.10+0x70/0x100 [ 433.003367] ? bpf_prog_test_run_skb+0x73b/0xd10 [ 433.008154] ? bpf_test_finish.isra.9+0x260/0x260 [ 433.013007] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 433.018556] ? fput+0x130/0x1a0 [ 433.021850] ? __bpf_prog_get+0x9b/0x290 [ 433.025928] ? bpf_test_finish.isra.9+0x260/0x260 [ 433.030782] ? bpf_prog_test_run+0x130/0x1a0 [ 433.035203] ? __x64_sys_bpf+0x3db/0x520 [ 433.039274] ? bpf_prog_get+0x20/0x20 [ 433.043117] ? do_syscall_64+0x1b9/0x820 [ 433.047187] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 433.052580] ? syscall_return_slowpath+0x5e0/0x5e0 [ 433.057519] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 433.062382] ? trace_hardirqs_on_caller+0x310/0x310 [ 433.067420] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 433.072459] ? prepare_exit_to_usermode+0x291/0x3b0 [ 433.077497] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 433.082364] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 433.087759] CPU: 0 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #167 [ 433.087986] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 433.094783] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 433.094794] Call Trace: [ 433.105308] syz-executor0 cpuset=syz0 mems_allowed=0 [ 433.114677] [ 433.124515] dump_stack+0x244/0x39d [ 433.128167] ? dump_stack_print_info.cold.1+0x20/0x20 [ 433.133390] warn_alloc.cold.116+0xb7/0x1bd [ 433.137731] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 433.142587] ? lock_downgrade+0x900/0x900 [ 433.146756] ? trace_hardirqs_off+0xb8/0x310 [ 433.151186] ? trace_hardirqs_off+0xb8/0x310 [ 433.155613] __alloc_pages_slowpath+0x2651/0x2de0 [ 433.160497] ? warn_alloc+0x120/0x120 [ 433.164309] ? print_usage_bug+0xc0/0xc0 [ 433.168379] ? warn_alloc+0x120/0x120 [ 433.172191] ? warn_alloc+0x120/0x120 [ 433.175999] ? print_usage_bug+0xc0/0xc0 [ 433.180657] ? print_usage_bug+0xc0/0xc0 [ 433.184728] ? __lock_acquire+0x62f/0x4c20 [ 433.188977] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 433.194529] ? should_fail+0x22d/0xd01 [ 433.198456] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 433.203572] ? __lock_acquire+0x62f/0x4c20 [ 433.207819] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 433.212929] ? __lock_acquire+0x62f/0x4c20 [ 433.217170] ? should_fail+0x22d/0xd01 [ 433.221075] ? find_held_lock+0x36/0x1c0 [ 433.225166] ? mark_held_locks+0x130/0x130 [ 433.229412] ? mark_held_locks+0x130/0x130 [ 433.233659] ? zap_class+0x640/0x640 [ 433.237381] ? zap_class+0x640/0x640 [ 433.241105] ? print_usage_bug+0xc0/0xc0 [ 433.245170] ? do_raw_spin_unlock+0xa7/0x330 [ 433.249598] ? zap_class+0x640/0x640 [ 433.253323] ? print_usage_bug+0xc0/0xc0 [ 433.257389] ? wq_watchdog_touch+0x9c/0xfe [ 433.261642] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.267198] ? check_preemption_disabled+0x48/0x280 [ 433.272238] ? __lock_is_held+0xb5/0x140 [ 433.276311] __alloc_pages_nodemask+0xad8/0xea0 [ 433.280994] ? zap_class+0x640/0x640 [ 433.284719] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 433.289757] ? find_held_lock+0x36/0x1c0 [ 433.293836] ? ____cache_alloc_node+0x1c7/0x1e0 [ 433.298517] ? lock_downgrade+0x900/0x900 [ 433.302701] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.308261] cache_grow_begin+0xa5/0x8c0 [ 433.312330] ? do_raw_spin_unlock+0xa7/0x330 [ 433.316772] fallback_alloc+0x204/0x2e0 [ 433.320763] ____cache_alloc_node+0x1c7/0x1e0 [ 433.325272] kmem_cache_alloc_node+0xe3/0x730 [ 433.329774] ? ipv6_get_ifaddr+0x42e/0x620 [ 433.334025] __alloc_skb+0x119/0x770 [ 433.337848] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 433.343144] ? netdev_alloc_frag+0x1f0/0x1f0 [ 433.347565] ? lock_downgrade+0x900/0x900 [ 433.351728] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.357277] ? refcount_sub_and_test_checked+0x203/0x310 [ 433.362745] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 433.368221] ? addrconf_rs_timer+0x690/0x690 [ 433.372654] ndisc_alloc_skb+0x144/0x340 [ 433.376729] ndisc_send_rs+0x331/0x6e0 [ 433.380631] addrconf_rs_timer+0x314/0x690 [ 433.384885] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 433.389137] call_timer_fn+0x272/0x920 [ 433.393038] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 433.397303] ? process_timeout+0x40/0x40 [ 433.401402] ? mark_held_locks+0xc7/0x130 [ 433.405568] ? _raw_spin_unlock_irq+0x27/0x80 [ 433.410080] ? _raw_spin_unlock_irq+0x27/0x80 [ 433.414606] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 433.418851] ? lockdep_hardirqs_on+0x296/0x5b0 [ 433.423450] ? trace_hardirqs_on+0xbd/0x310 [ 433.427781] ? kasan_check_read+0x11/0x20 [ 433.431937] ? __run_timers+0x7da/0xc70 [ 433.435925] ? trace_hardirqs_off_caller+0x310/0x310 [ 433.441065] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 433.445317] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 433.449563] __run_timers+0x7e5/0xc70 [ 433.453429] ? timer_fixup_init+0x70/0x70 [ 433.457590] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 433.462623] ? zap_class+0x640/0x640 [ 433.466356] ? print_usage_bug+0xc0/0xc0 [ 433.470436] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 433.475649] ? find_held_lock+0x36/0x1c0 [ 433.479728] ? zap_class+0x640/0x640 [ 433.483469] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.489028] ? check_preemption_disabled+0x48/0x280 [ 433.494088] ? __lock_is_held+0xb5/0x140 [ 433.498163] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.503719] ? check_preemption_disabled+0x48/0x280 [ 433.508759] run_timer_softirq+0x52/0xb0 [ 433.512836] ? rcu_read_lock_sched_held+0x14f/0x180 [ 433.517875] __do_softirq+0x308/0xb7e [ 433.521699] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 433.526209] ? lock_downgrade+0x900/0x900 [ 433.530380] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 433.535506] ? pvclock_read_flags+0x160/0x160 [ 433.540024] ? lapic_next_event+0x5a/0x90 [ 433.544194] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.549776] ? kvm_clock_read+0x18/0x30 [ 433.553771] ? kvm_sched_clock_read+0x9/0x20 [ 433.558201] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 433.563773] ? check_preemption_disabled+0x48/0x280 [ 433.568817] irq_exit+0x17f/0x1c0 [ 433.572284] smp_apic_timer_interrupt+0x1cb/0x760 [ 433.577145] ? smp_reschedule_interrupt+0x109/0x650 [ 433.582183] ? smp_call_function_single_interrupt+0x650/0x650 [ 433.588104] ? interrupt_entry+0xb5/0xc0 [ 433.592184] ? trace_hardirqs_off_caller+0xbb/0x310 [ 433.597219] ? trace_hardirqs_off_caller+0xbb/0x310 [ 433.602256] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 433.607121] ? trace_hardirqs_on_caller+0x310/0x310 [ 433.612163] ? trace_hardirqs_on_caller+0x310/0x310 [ 433.617212] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 433.622086] apic_timer_interrupt+0xf/0x20 [ 433.626324] [ 433.628569] RIP: 0010:dump_stack+0x358/0x39d [ 433.632986] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 f1 36 ed f9 48 83 3d f9 27 7c 01 00 0f 84 63 fe ff ff e8 6e b7 a9 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b b7 a9 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 433.651900] RSP: 0000:ffff8881bb40e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 433.659642] RAX: ffff8881c2208180 RBX: 1ffffffff12a3f6e RCX: 1ffff1103844114e [ 433.666940] RDX: 0000000000000000 RSI: ffffffff87d5d382 RDI: 0000000000000293 [ 433.674275] RBP: ffff8881bb40e290 R08: ffff8881c2208a70 R09: 0000000000000006 [ 433.681565] R10: 0000000000000000 R11: ffff8881c2208180 R12: 1ffff11037681c45 [ 433.688851] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 433.696163] ? dump_stack+0x34f/0x39d [ 433.699991] ? dump_stack_print_info.cold.1+0x20/0x20 [ 433.705197] ? mark_held_locks+0x130/0x130 [ 433.709446] ? mark_held_locks+0x130/0x130 [ 433.713698] dump_header+0x27b/0xf72 [ 433.717435] ? pagefault_out_of_memory+0x197/0x197 [ 433.722388] ? __lock_acquire+0x62f/0x4c20 [ 433.726639] ? percpu_ref_get_many+0x240/0x240 [ 433.731241] ? print_usage_bug+0xc0/0xc0 [ 433.735320] ? zap_class+0x640/0x640 [ 433.739043] ? print_usage_bug+0xc0/0xc0 [ 433.743118] ? print_usage_bug+0xc0/0xc0 [ 433.747188] ? zap_class+0x640/0x640 [ 433.750917] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.756471] ? find_held_lock+0x36/0x1c0 [ 433.760550] ? mark_held_locks+0xc7/0x130 [ 433.764716] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 433.769834] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 433.774952] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 433.779564] ? trace_hardirqs_on+0xbd/0x310 [ 433.783897] ? kasan_check_read+0x11/0x20 [ 433.788053] ? ___ratelimit+0x3b4/0x672 [ 433.792061] ? trace_hardirqs_off_caller+0x310/0x310 [ 433.797182] ? trace_hardirqs_on+0x310/0x310 [ 433.801606] ? lock_downgrade+0x900/0x900 [ 433.805773] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 433.810891] ? ___ratelimit+0x3b9/0x672 [ 433.814881] ? idr_get_free+0xf70/0xf70 [ 433.818866] ? find_held_lock+0x36/0x1c0 [ 433.822951] oom_kill_process.cold.27+0x10/0x903 [ 433.827721] ? zap_class+0x640/0x640 [ 433.831447] ? check_preemption_disabled+0x48/0x280 [ 433.836479] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 433.841429] ? kasan_check_read+0x11/0x20 [ 433.845592] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 433.850893] ? oom_evaluate_task+0x540/0x540 [ 433.855321] ? find_held_lock+0x36/0x1c0 [ 433.859406] ? out_of_memory+0x974/0x1430 [ 433.863579] ? lock_downgrade+0x900/0x900 [ 433.867746] ? check_preemption_disabled+0x48/0x280 [ 433.872781] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 433.877728] ? kasan_check_read+0x11/0x20 [ 433.881892] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 433.887191] ? rcu_softirq_qs+0x20/0x20 [ 433.891181] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 433.896737] ? oom_evaluate_task+0x302/0x540 [ 433.901164] out_of_memory+0xa84/0x1430 [ 433.905166] ? oom_killer_disable+0x3a0/0x3a0 [ 433.909676] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 433.914624] ? __ww_mutex_check_waiters+0x160/0x160 [ 433.919667] __alloc_pages_slowpath+0x232c/0x2de0 [ 433.924553] ? warn_alloc+0x120/0x120 [ 433.928361] ? mark_held_locks+0x130/0x130 [ 433.932618] ? find_get_entry+0xaae/0x1120 [ 433.936885] ? filemap_map_pages+0x1a20/0x1a20 [ 433.941478] ? zap_class+0x640/0x640 [ 433.945213] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.950770] ? check_preemption_disabled+0x48/0x280 [ 433.955801] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 433.961355] ? should_fail+0x22d/0xd01 [ 433.965261] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 433.970390] ? zap_class+0x640/0x640 [ 433.974140] ? __lock_is_held+0xb5/0x140 [ 433.978231] ? mark_held_locks+0x130/0x130 [ 433.982485] ? lock_release+0xa00/0xa00 [ 433.986471] ? perf_trace_sched_process_exec+0x860/0x860 [ 433.991936] ? xa_load+0x2ba/0x460 [ 433.995485] ? lock_downgrade+0x900/0x900 [ 433.999646] ? __might_sleep+0x95/0x190 [ 434.003636] __alloc_pages_nodemask+0xad8/0xea0 [ 434.008397] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 434.013443] ? __page_cache_alloc+0x191/0x5c0 [ 434.017946] ? xa_load+0x2e1/0x460 [ 434.021494] ? xa_clear_mark+0x40/0x40 [ 434.025391] ? zap_class+0x640/0x640 [ 434.029122] ? zap_class+0x640/0x640 [ 434.032846] ? zap_class+0x640/0x640 [ 434.036571] ? __do_page_cache_readahead+0x663/0x810 [ 434.041692] ? find_held_lock+0x36/0x1c0 [ 434.045768] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 434.051324] alloc_pages_current+0x173/0x350 [ 434.055748] __page_cache_alloc+0x38c/0x5c0 [ 434.060083] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 434.065024] ? kasan_check_read+0x11/0x20 [ 434.069191] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 434.074484] ? generic_perform_write+0x6a0/0x6a0 [ 434.079259] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 434.084807] ? check_preemption_disabled+0x48/0x280 [ 434.089837] filemap_fault+0x1595/0x25f0 [ 434.093919] ? __lock_page_or_retry+0xa00/0xa00 [ 434.098600] ? mark_held_locks+0x130/0x130 [ 434.102853] ? filemap_map_pages+0xd6b/0x1a20 [ 434.107358] ? lock_downgrade+0x900/0x900 [ 434.111515] ? check_preemption_disabled+0x48/0x280 [ 434.116547] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 434.121487] ? kasan_check_read+0x11/0x20 [ 434.125645] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 434.130935] ? rcu_softirq_qs+0x20/0x20 [ 434.134935] ? filemap_map_pages+0xd92/0x1a20 [ 434.139454] ? find_get_entries_tag+0x1400/0x1400 [ 434.144308] ? debug_object_destroy+0x2b0/0x2b0 [ 434.148990] ? lock_pi_update_atomic+0x150/0x150 [ 434.153753] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.159338] ? lock_acquire+0x1ed/0x520 [ 434.163326] ? ext4_filemap_fault+0x7a/0xad [ 434.167661] ? lock_release+0xa00/0xa00 [ 434.171642] ? perf_trace_sched_process_exec+0x860/0x860 [ 434.177109] ? print_usage_bug+0xc0/0xc0 [ 434.181179] ? print_usage_bug+0xc0/0xc0 [ 434.185262] ? down_read+0x8d/0x120 [ 434.188892] ? ext4_filemap_fault+0x7a/0xad [ 434.193241] ? __down_interruptible+0x700/0x700 [ 434.197933] ext4_filemap_fault+0x82/0xad [ 434.202097] __do_fault+0x100/0x6b0 [ 434.205727] ? find_held_lock+0x36/0x1c0 [ 434.209799] ? pmd_devmap_trans_unstable+0x220/0x220 [ 434.214924] ? mark_held_locks+0x130/0x130 [ 434.219168] ? mark_held_locks+0x130/0x130 [ 434.223412] ? debug_smp_processor_id+0x1c/0x20 [ 434.228103] ? perf_trace_lock+0x14d/0x7a0 [ 434.232364] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 434.237918] __handle_mm_fault+0x3ea0/0x5be0 [ 434.242349] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 434.247204] ? lock_is_held_type+0x210/0x210 [ 434.251623] ? __switch_to_asm+0x34/0x70 [ 434.255700] ? __switch_to_asm+0x34/0x70 [ 434.259800] ? zap_class+0x640/0x640 [ 434.263522] ? zap_class+0x640/0x640 [ 434.267238] ? __x64_sys_futex+0x53e/0x6a0 [ 434.271485] ? find_held_lock+0x36/0x1c0 [ 434.275565] ? handle_mm_fault+0x42a/0xc70 [ 434.279808] ? lock_downgrade+0x900/0x900 [ 434.283968] ? check_preemption_disabled+0x48/0x280 [ 434.289003] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 434.293957] ? kasan_check_read+0x11/0x20 [ 434.298116] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 434.303403] ? rcu_softirq_qs+0x20/0x20 [ 434.307391] ? trace_hardirqs_off_caller+0x310/0x310 [ 434.312703] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 434.318263] ? check_preemption_disabled+0x48/0x280 [ 434.323309] handle_mm_fault+0x54f/0xc70 [ 434.327393] ? __handle_mm_fault+0x5be0/0x5be0 [ 434.332002] ? find_vma+0x34/0x190 [ 434.335565] __do_page_fault+0x5e8/0xe60 [ 434.339643] ? trace_hardirqs_off+0xb8/0x310 [ 434.344090] do_page_fault+0xf2/0x7e0 [ 434.347998] ? vmalloc_sync_all+0x30/0x30 [ 434.352163] ? error_entry+0x70/0xd0 [ 434.355888] ? trace_hardirqs_off_caller+0xbb/0x310 [ 434.360928] ? trace_hardirqs_on_caller+0xc0/0x310 [ 434.365876] ? syscall_return_slowpath+0x5e0/0x5e0 [ 434.370817] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 434.375689] ? trace_hardirqs_on_caller+0x310/0x310 [ 434.380721] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 434.386191] ? prepare_exit_to_usermode+0x291/0x3b0 [ 434.391221] ? page_fault+0x8/0x30 [ 434.394775] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 434.399635] ? page_fault+0x8/0x30 [ 434.403183] page_fault+0x1e/0x30 [ 434.406638] RIP: 0033:0x45ddf3 [ 434.409850] Code: Bad RIP value. [ 434.413217] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 434.418587] RAX: ffffffffffffff92 RBX: 0000000028898d51 RCX: 000000000045ddf3 [ 434.425866] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014f1120 [ 434.433152] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 434.440445] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 434.447726] R13: 000000c42841fe60 R14: 0000000000000001 R15: 0000000000000000 [ 434.455029] warn_alloc_show_mem: 1 callbacks suppressed [ 434.455042] CPU: 1 PID: 16798 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #167 [ 434.455044] Mem-Info: [ 434.455085] active_anon:45985 inactive_anon:296 isolated_anon:0 [ 434.455085] active_file:15 inactive_file:8 isolated_file:0 [ 434.455085] unevictable:0 dirty:0 writeback:0 unstable:0 [ 434.455085] slab_reclaimable:9236 slab_unreclaimable:1461135 [ 434.455085] mapped:40979 shmem:353 pagetables:587 bounce:0 [ 434.455085] free:13771 free_pcp:249 free_cma:0 [ 434.460429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 434.460439] Call Trace: [ 434.467823] Node 0 active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1412kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 434.470229] [ 434.503021] 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 [ 434.512397] dump_stack+0x244/0x39d [ 434.514957] lowmem_reserve[]: 0 2818 6321 6321 [ 434.542645] ? dump_stack_print_info.cold.1+0x20/0x20 [ 434.544771] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:404kB local_pcp:156kB free_cma:0kB [ 434.570911] warn_alloc.cold.116+0xb7/0x1bd [ 434.574533] lowmem_reserve[]: 0 0 3503 3503 [ 434.579121] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 434.584287] Node 0 Normal free:14000kB min:37364kB low:46704kB high:56044kB active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2348kB bounce:0kB free_pcp:592kB local_pcp:388kB free_cma:0kB [ 434.611807] ? lock_downgrade+0x900/0x900 [ 434.616110] lowmem_reserve[]: 0 0 0 0 [ 434.620439] ? trace_hardirqs_off+0xb8/0x310 [ 434.625264] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 434.654270] ? trace_hardirqs_off+0xb8/0x310 [ 434.658402] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 2*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 434.662210] __alloc_pages_slowpath+0x2651/0x2de0 [ 434.666588] Node 0 Normal: 794*4kB (MEH) 441*8kB (UMEH) 176*16kB (UME) 69*32kB (UMEH) 18*64kB (UM) 1*128kB (U) 2*256kB (U) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14032kB [ 434.680155] ? warn_alloc+0x120/0x120 [ 434.684534] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 434.699630] ? warn_alloc+0x120/0x120 [ 434.704485] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 434.719935] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 434.723710] 376 total pagecache pages [ 434.732588] ? warn_alloc+0x120/0x120 [ 434.736380] 0 pages in swap cache [ 434.744962] ? print_usage_bug+0xc0/0xc0 [ 434.749965] Swap cache stats: add 0, delete 0, find 0/0 [ 434.753767] ? print_usage_bug+0xc0/0xc0 [ 434.757545] Free swap = 0kB [ 434.761000] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 434.765029] Total swap = 0kB [ 434.765038] 1965979 pages RAM [ 434.770425] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 434.774456] 0 pages HighMem/MovableOnly [ 434.774465] 342854 pages reserved [ 434.777489] ? should_fail+0x22d/0xd01 [ 434.782665] 0 pages cma reserved [ 434.785692] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 434.788830] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 434.794314] ? __lock_acquire+0x62f/0x4c20 [ 434.798379] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 434.801719] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 434.805587] syz-fuzzer cpuset=/ mems_allowed=0 [ 434.808957] ? should_fail+0x22d/0xd01 [ 434.848571] ? mark_held_locks+0x130/0x130 [ 434.852830] ? mark_held_locks+0x130/0x130 [ 434.857089] ? print_usage_bug+0xc0/0xc0 [ 434.861189] ? find_held_lock+0x36/0x1c0 [ 434.865270] ? zap_class+0x640/0x640 [ 434.869007] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.874578] ? check_preemption_disabled+0x48/0x280 [ 434.879625] ? __lock_is_held+0xb5/0x140 [ 434.883707] __alloc_pages_nodemask+0xad8/0xea0 [ 434.888395] ? zap_class+0x640/0x640 [ 434.892132] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 434.897187] ? find_held_lock+0x36/0x1c0 [ 434.901276] ? ____cache_alloc_node+0x1c7/0x1e0 [ 434.905964] ? lock_downgrade+0x900/0x900 [ 434.910133] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.915697] cache_grow_begin+0xa5/0x8c0 [ 434.919778] ? do_raw_spin_unlock+0xa7/0x330 [ 434.924210] fallback_alloc+0x204/0x2e0 [ 434.928209] ____cache_alloc_node+0x1c7/0x1e0 [ 434.932728] kmem_cache_alloc_node+0xe3/0x730 [ 434.937248] ? mark_held_locks+0xc7/0x130 [ 434.941441] __alloc_skb+0x119/0x770 [ 434.945176] ? netdev_alloc_frag+0x1f0/0x1f0 [ 434.949598] ? do_raw_spin_trylock+0x270/0x270 [ 434.954194] ? kmem_cache_alloc_trace+0x353/0x750 [ 434.959078] ? queue_work_on+0x12c/0x1e0 [ 434.963162] ? switchdev_port_obj_del+0xe3/0x450 [ 434.967941] ? switchdev_trans_item_enqueue+0x260/0x260 [ 434.973337] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 434.978372] __br_mdb_notify+0x4ff/0x15d0 [ 434.982547] ? __br_mdb_add+0x7f0/0x7f0 [ 434.986541] ? zap_class+0x640/0x640 [ 434.990277] ? br_multicast_group_expired+0x96/0x610 [ 434.995412] ? lock_downgrade+0x900/0x900 [ 434.999588] br_mdb_notify+0x310/0x410 [ 435.003492] ? br_mdb_dump+0x27b0/0x27b0 [ 435.007587] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.013153] br_multicast_group_expired+0x1bc/0x610 [ 435.018187] ? br_mdb_free+0x80/0x80 [ 435.021929] call_timer_fn+0x272/0x920 [ 435.025830] ? br_mdb_free+0x80/0x80 [ 435.029558] ? process_timeout+0x40/0x40 [ 435.033640] ? __run_timers+0x7da/0xc70 [ 435.037631] ? _raw_spin_unlock_irq+0x27/0x80 [ 435.042138] ? _raw_spin_unlock_irq+0x27/0x80 [ 435.046644] ? br_mdb_free+0x80/0x80 [ 435.050375] ? lockdep_hardirqs_on+0x296/0x5b0 [ 435.054986] ? trace_hardirqs_on+0xbd/0x310 [ 435.059325] ? kasan_check_read+0x11/0x20 [ 435.063499] ? __run_timers+0x7da/0xc70 [ 435.067492] ? trace_hardirqs_off_caller+0x310/0x310 [ 435.072626] ? br_mdb_free+0x80/0x80 [ 435.076368] ? br_mdb_free+0x80/0x80 [ 435.080099] __run_timers+0x7e5/0xc70 [ 435.083928] ? timer_fixup_init+0x70/0x70 [ 435.088109] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 435.093147] ? zap_class+0x640/0x640 [ 435.096880] ? enqueue_hrtimer+0x1a5/0x560 [ 435.101133] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 435.106341] ? find_held_lock+0x36/0x1c0 [ 435.110420] ? zap_class+0x640/0x640 [ 435.114164] ? pvclock_read_flags+0x160/0x160 [ 435.118677] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.124235] ? check_preemption_disabled+0x48/0x280 [ 435.129282] ? __lock_is_held+0xb5/0x140 [ 435.133365] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.139017] ? check_preemption_disabled+0x48/0x280 [ 435.144063] run_timer_softirq+0x52/0xb0 [ 435.148142] ? rcu_read_lock_sched_held+0x14f/0x180 [ 435.153184] __do_softirq+0x308/0xb7e [ 435.157001] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 435.161510] ? lock_downgrade+0x900/0x900 [ 435.165677] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 435.170801] ? pvclock_read_flags+0x160/0x160 [ 435.175316] ? lapic_next_event+0x5a/0x90 [ 435.179827] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.185387] ? kvm_clock_read+0x18/0x30 [ 435.189377] ? kvm_sched_clock_read+0x9/0x20 [ 435.193799] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.199353] ? check_preemption_disabled+0x48/0x280 [ 435.204397] irq_exit+0x17f/0x1c0 [ 435.207885] smp_apic_timer_interrupt+0x1cb/0x760 [ 435.212744] ? smp_reschedule_interrupt+0x109/0x650 [ 435.217785] ? smp_call_function_single_interrupt+0x650/0x650 [ 435.223688] ? interrupt_entry+0xb5/0xc0 [ 435.227765] ? trace_hardirqs_off_caller+0xbb/0x310 [ 435.232797] ? trace_hardirqs_off_caller+0xbb/0x310 [ 435.237826] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 435.242686] ? trace_hardirqs_on_caller+0x310/0x310 [ 435.247717] ? trace_hardirqs_on_caller+0x310/0x310 [ 435.252757] ? task_prio+0x50/0x50 [ 435.256318] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.261871] ? check_preemption_disabled+0x48/0x280 [ 435.266909] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 435.271780] apic_timer_interrupt+0xf/0x20 [ 435.276018] [ 435.278269] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 435.283221] Code: 7e 0f 85 cf fe ff ff e8 66 cb 3d ff e9 c5 fe ff ff e8 0d 01 c3 ff 48 83 3d a5 49 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 42 f3 [ 435.302138] RSP: 0018:ffff888195497718 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 435.309865] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 435.317666] RDX: 0000000000000000 RSI: ffff8881d2488b40 RDI: 0000000000000282 [ 435.324957] RBP: ffff888195497780 R08: ffff8881d24882c0 R09: 0000000000000000 [ 435.332236] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 435.339529] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020 [ 435.346871] skb_clone+0x1bb/0x500 [ 435.350428] ? skb_split+0x11e0/0x11e0 [ 435.354331] ? check_preemption_disabled+0x48/0x280 [ 435.359387] ? __this_cpu_preempt_check+0x1c/0x20 [ 435.364244] ? __bpf_redirect+0x55b/0xb60 [ 435.368403] ? __switch_to_asm+0x34/0x70 [ 435.372474] ? __switch_to_asm+0x40/0x70 [ 435.376550] bpf_clone_redirect+0xb9/0x490 [ 435.380805] bpf_prog_3d1649e183dc2cc1+0xaf9/0x1000 [ 435.385841] ? __sched_text_start+0x8/0x8 [ 435.390021] ? find_held_lock+0x36/0x1c0 [ 435.394113] ? lock_acquire+0x1ed/0x520 [ 435.398103] ? bpf_test_run+0x3cb/0x780 [ 435.402101] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.407659] ? check_preemption_disabled+0x48/0x280 [ 435.412696] ? kasan_check_read+0x11/0x20 [ 435.416854] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 435.422143] ? rcu_softirq_qs+0x20/0x20 [ 435.426133] ? preempt_schedule+0x4d/0x60 [ 435.430291] ? ___preempt_schedule+0x16/0x18 [ 435.434716] ? bpf_test_run+0x25d/0x780 [ 435.438709] ? netlink_diag_dump+0x2a0/0x2a0 [ 435.443131] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 435.448683] ? bpf_test_init.isra.10+0x70/0x100 [ 435.453366] ? bpf_prog_test_run_skb+0x73b/0xd10 [ 435.458145] ? bpf_test_finish.isra.9+0x260/0x260 [ 435.462995] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 435.468543] ? fput+0x130/0x1a0 [ 435.471839] ? __bpf_prog_get+0x9b/0x290 [ 435.475911] ? bpf_test_finish.isra.9+0x260/0x260 [ 435.480773] ? bpf_prog_test_run+0x130/0x1a0 [ 435.485193] ? __x64_sys_bpf+0x3db/0x520 [ 435.489264] ? bpf_prog_get+0x20/0x20 [ 435.493105] ? do_syscall_64+0x1b9/0x820 [ 435.497176] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 435.502556] ? syscall_return_slowpath+0x5e0/0x5e0 [ 435.507503] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 435.512374] ? trace_hardirqs_on_caller+0x310/0x310 [ 435.517409] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 435.522447] ? prepare_exit_to_usermode+0x291/0x3b0 [ 435.527490] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 435.532354] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 435.537751] CPU: 0 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #167 [ 435.537948] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 435.544775] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 435.544785] Call Trace: [ 435.555279] syz-executor0 cpuset=syz0 mems_allowed=0 [ 435.564635] [ 435.574453] dump_stack+0x244/0x39d [ 435.578101] ? dump_stack_print_info.cold.1+0x20/0x20 [ 435.583312] warn_alloc.cold.116+0xb7/0x1bd [ 435.587645] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 435.592501] ? lock_downgrade+0x900/0x900 [ 435.596662] ? trace_hardirqs_off+0xb8/0x310 [ 435.601090] ? trace_hardirqs_off+0xb8/0x310 [ 435.605513] __alloc_pages_slowpath+0x2651/0x2de0 [ 435.610391] ? warn_alloc+0x120/0x120 [ 435.614206] ? print_usage_bug+0xc0/0xc0 [ 435.618277] ? warn_alloc+0x120/0x120 [ 435.622089] ? warn_alloc+0x120/0x120 [ 435.625894] ? print_usage_bug+0xc0/0xc0 [ 435.629963] ? kvm_clock_read+0x18/0x30 [ 435.633940] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 435.638963] ? print_usage_bug+0xc0/0xc0 [ 435.643029] ? __lock_acquire+0x62f/0x4c20 [ 435.647286] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 435.652831] ? should_fail+0x22d/0xd01 [ 435.656723] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 435.662014] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 435.667136] ? __lock_acquire+0x62f/0x4c20 [ 435.671382] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 435.676495] ? __lock_acquire+0x62f/0x4c20 [ 435.680741] ? should_fail+0x22d/0xd01 [ 435.684629] ? rcu_irq_exit+0x1a2/0x390 [ 435.688619] ? mark_held_locks+0x130/0x130 [ 435.692865] ? mark_held_locks+0x130/0x130 [ 435.697111] ? mark_held_locks+0xc7/0x130 [ 435.701269] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 435.706294] ? zap_class+0x640/0x640 [ 435.710015] ? print_usage_bug+0xc0/0xc0 [ 435.714094] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.719641] ? check_preemption_disabled+0x48/0x280 [ 435.724676] ? __lock_is_held+0xb5/0x140 [ 435.728751] __alloc_pages_nodemask+0xad8/0xea0 [ 435.733457] ? zap_class+0x640/0x640 [ 435.737187] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 435.742225] ? find_held_lock+0x36/0x1c0 [ 435.746317] ? ____cache_alloc_node+0x1c7/0x1e0 [ 435.751000] ? lock_downgrade+0x900/0x900 [ 435.755164] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.760716] cache_grow_begin+0xa5/0x8c0 [ 435.764783] ? do_raw_spin_unlock+0xa7/0x330 [ 435.769200] fallback_alloc+0x204/0x2e0 [ 435.773184] ____cache_alloc_node+0x1c7/0x1e0 [ 435.777688] kmem_cache_alloc_node+0xe3/0x730 [ 435.782188] ? ipv6_get_ifaddr+0x42e/0x620 [ 435.786443] __alloc_skb+0x119/0x770 [ 435.790163] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 435.795456] ? netdev_alloc_frag+0x1f0/0x1f0 [ 435.799871] ? lock_downgrade+0x900/0x900 [ 435.804033] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.809582] ? refcount_sub_and_test_checked+0x203/0x310 [ 435.815084] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 435.820544] ? addrconf_rs_timer+0x690/0x690 [ 435.824973] ndisc_alloc_skb+0x144/0x340 [ 435.829068] ndisc_send_rs+0x331/0x6e0 [ 435.832967] addrconf_rs_timer+0x314/0x690 [ 435.837211] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 435.841465] call_timer_fn+0x272/0x920 [ 435.845361] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 435.849604] ? process_timeout+0x40/0x40 [ 435.853682] ? mark_held_locks+0xc7/0x130 [ 435.857839] ? _raw_spin_unlock_irq+0x27/0x80 [ 435.862360] ? _raw_spin_unlock_irq+0x27/0x80 [ 435.866862] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 435.871108] ? lockdep_hardirqs_on+0x296/0x5b0 [ 435.875696] ? trace_hardirqs_on+0xbd/0x310 [ 435.880022] ? kasan_check_read+0x11/0x20 [ 435.884181] ? __run_timers+0x7da/0xc70 [ 435.888166] ? trace_hardirqs_off_caller+0x310/0x310 [ 435.893285] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 435.897530] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 435.901770] __run_timers+0x7e5/0xc70 [ 435.905589] ? timer_fixup_init+0x70/0x70 [ 435.909743] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 435.914769] ? zap_class+0x640/0x640 [ 435.918490] ? print_usage_bug+0xc0/0xc0 [ 435.922557] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 435.927767] ? find_held_lock+0x36/0x1c0 [ 435.931836] ? zap_class+0x640/0x640 [ 435.935565] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.941124] ? check_preemption_disabled+0x48/0x280 [ 435.946177] ? __lock_is_held+0xb5/0x140 [ 435.950249] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.955799] ? check_preemption_disabled+0x48/0x280 [ 435.960827] run_timer_softirq+0x52/0xb0 [ 435.964893] ? rcu_read_lock_sched_held+0x14f/0x180 [ 435.969917] __do_softirq+0x308/0xb7e [ 435.973726] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 435.978239] ? lock_downgrade+0x900/0x900 [ 435.982398] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 435.987524] ? pvclock_read_flags+0x160/0x160 [ 435.992029] ? lapic_next_event+0x5a/0x90 [ 435.996195] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.001744] ? kvm_clock_read+0x18/0x30 [ 436.005721] ? kvm_sched_clock_read+0x9/0x20 [ 436.010139] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 436.015687] ? check_preemption_disabled+0x48/0x280 [ 436.020718] irq_exit+0x17f/0x1c0 [ 436.024180] smp_apic_timer_interrupt+0x1cb/0x760 [ 436.029027] ? smp_reschedule_interrupt+0x109/0x650 [ 436.034077] ? smp_call_function_single_interrupt+0x650/0x650 [ 436.039972] ? interrupt_entry+0xb5/0xc0 [ 436.044043] ? trace_hardirqs_off_caller+0xbb/0x310 [ 436.049093] ? trace_hardirqs_off_caller+0xbb/0x310 [ 436.054119] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 436.058974] ? trace_hardirqs_on_caller+0x310/0x310 [ 436.063997] ? trace_hardirqs_on_caller+0x310/0x310 [ 436.069033] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 436.073902] apic_timer_interrupt+0xf/0x20 [ 436.078133] [ 436.080378] RIP: 0010:dump_stack+0x358/0x39d [ 436.084797] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 f1 36 ed f9 48 83 3d f9 27 7c 01 00 0f 84 63 fe ff ff e8 6e b7 a9 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b b7 a9 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 436.103802] RSP: 0000:ffff8881bb40e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 436.111535] RAX: ffff8881c2208180 RBX: 1ffffffff12a3f6e RCX: 1ffff1103844114e [ 436.118817] RDX: 0000000000000000 RSI: ffffffff87d5d382 RDI: 0000000000000293 [ 436.126102] RBP: ffff8881bb40e290 R08: ffff8881c2208a70 R09: 0000000000000006 [ 436.133384] R10: 0000000000000000 R11: ffff8881c2208180 R12: 1ffff11037681c45 [ 436.140673] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 436.147976] ? dump_stack+0x34f/0x39d [ 436.151797] ? dump_stack_print_info.cold.1+0x20/0x20 [ 436.156999] ? mark_held_locks+0x130/0x130 [ 436.161238] ? mark_held_locks+0x130/0x130 [ 436.165486] dump_header+0x27b/0xf72 [ 436.169228] ? pagefault_out_of_memory+0x197/0x197 [ 436.174175] ? __lock_acquire+0x62f/0x4c20 [ 436.178415] ? percpu_ref_get_many+0x240/0x240 [ 436.183017] ? print_usage_bug+0xc0/0xc0 [ 436.187096] ? zap_class+0x640/0x640 [ 436.190816] ? print_usage_bug+0xc0/0xc0 [ 436.194880] ? print_usage_bug+0xc0/0xc0 [ 436.198950] ? zap_class+0x640/0x640 [ 436.202671] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.208220] ? find_held_lock+0x36/0x1c0 [ 436.212295] ? mark_held_locks+0xc7/0x130 [ 436.216460] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 436.221571] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 436.226681] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 436.231277] ? trace_hardirqs_on+0xbd/0x310 [ 436.235607] ? kasan_check_read+0x11/0x20 [ 436.239762] ? ___ratelimit+0x3b4/0x672 [ 436.243742] ? trace_hardirqs_off_caller+0x310/0x310 [ 436.248868] ? trace_hardirqs_on+0x310/0x310 [ 436.253290] ? lock_downgrade+0x900/0x900 [ 436.257458] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 436.262573] ? ___ratelimit+0x3b9/0x672 [ 436.266555] ? idr_get_free+0xf70/0xf70 [ 436.270537] ? find_held_lock+0x36/0x1c0 [ 436.274615] oom_kill_process.cold.27+0x10/0x903 [ 436.279406] ? zap_class+0x640/0x640 [ 436.283151] ? check_preemption_disabled+0x48/0x280 [ 436.288188] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 436.293132] ? kasan_check_read+0x11/0x20 [ 436.297286] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 436.302573] ? oom_evaluate_task+0x540/0x540 [ 436.306989] ? find_held_lock+0x36/0x1c0 [ 436.311217] ? out_of_memory+0x974/0x1430 [ 436.315375] ? lock_downgrade+0x900/0x900 [ 436.319528] ? check_preemption_disabled+0x48/0x280 [ 436.324557] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 436.329503] ? kasan_check_read+0x11/0x20 [ 436.333663] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 436.338950] ? rcu_softirq_qs+0x20/0x20 [ 436.342938] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 436.348487] ? oom_evaluate_task+0x302/0x540 [ 436.352907] out_of_memory+0xa84/0x1430 [ 436.356902] ? oom_killer_disable+0x3a0/0x3a0 [ 436.361409] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 436.366367] ? __ww_mutex_check_waiters+0x160/0x160 [ 436.371412] __alloc_pages_slowpath+0x232c/0x2de0 [ 436.376301] ? warn_alloc+0x120/0x120 [ 436.380106] ? mark_held_locks+0x130/0x130 [ 436.384354] ? find_get_entry+0xaae/0x1120 [ 436.388608] ? filemap_map_pages+0x1a20/0x1a20 [ 436.393203] ? zap_class+0x640/0x640 [ 436.396929] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.402489] ? check_preemption_disabled+0x48/0x280 [ 436.407516] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 436.413073] ? should_fail+0x22d/0xd01 [ 436.416974] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 436.422092] ? zap_class+0x640/0x640 [ 436.425835] ? __lock_is_held+0xb5/0x140 [ 436.429920] ? mark_held_locks+0x130/0x130 [ 436.434167] ? lock_release+0xa00/0xa00 [ 436.438150] ? perf_trace_sched_process_exec+0x860/0x860 [ 436.443611] ? xa_load+0x2ba/0x460 [ 436.447162] ? lock_downgrade+0x900/0x900 [ 436.451320] ? __might_sleep+0x95/0x190 [ 436.455304] __alloc_pages_nodemask+0xad8/0xea0 [ 436.459988] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 436.465008] ? __page_cache_alloc+0x191/0x5c0 [ 436.469502] ? xa_load+0x2e1/0x460 [ 436.473069] ? xa_clear_mark+0x40/0x40 [ 436.476971] ? zap_class+0x640/0x640 [ 436.480698] ? zap_class+0x640/0x640 [ 436.484417] ? zap_class+0x640/0x640 [ 436.488140] ? __do_page_cache_readahead+0x663/0x810 [ 436.493257] ? find_held_lock+0x36/0x1c0 [ 436.497331] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 436.502880] alloc_pages_current+0x173/0x350 [ 436.507305] __page_cache_alloc+0x38c/0x5c0 [ 436.511635] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 436.516572] ? kasan_check_read+0x11/0x20 [ 436.520726] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 436.526010] ? generic_perform_write+0x6a0/0x6a0 [ 436.530775] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 436.536322] ? check_preemption_disabled+0x48/0x280 [ 436.541353] filemap_fault+0x1595/0x25f0 [ 436.545434] ? __lock_page_or_retry+0xa00/0xa00 [ 436.550116] ? mark_held_locks+0x130/0x130 [ 436.554364] ? filemap_map_pages+0xd6b/0x1a20 [ 436.558885] ? lock_downgrade+0x900/0x900 [ 436.563053] ? check_preemption_disabled+0x48/0x280 [ 436.568095] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 436.573031] ? kasan_check_read+0x11/0x20 [ 436.577189] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 436.582468] ? rcu_softirq_qs+0x20/0x20 [ 436.586463] ? filemap_map_pages+0xd92/0x1a20 [ 436.590975] ? find_get_entries_tag+0x1400/0x1400 [ 436.595826] ? debug_object_destroy+0x2b0/0x2b0 [ 436.600504] ? lock_pi_update_atomic+0x150/0x150 [ 436.605274] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.610830] ? lock_acquire+0x1ed/0x520 [ 436.614807] ? ext4_filemap_fault+0x7a/0xad [ 436.619138] ? lock_release+0xa00/0xa00 [ 436.623113] ? perf_trace_sched_process_exec+0x860/0x860 [ 436.628572] ? print_usage_bug+0xc0/0xc0 [ 436.632638] ? print_usage_bug+0xc0/0xc0 [ 436.636714] ? down_read+0x8d/0x120 [ 436.640341] ? ext4_filemap_fault+0x7a/0xad [ 436.644670] ? __down_interruptible+0x700/0x700 [ 436.649357] ext4_filemap_fault+0x82/0xad [ 436.653528] __do_fault+0x100/0x6b0 [ 436.657161] ? find_held_lock+0x36/0x1c0 [ 436.661231] ? pmd_devmap_trans_unstable+0x220/0x220 [ 436.666344] ? mark_held_locks+0x130/0x130 [ 436.670583] ? mark_held_locks+0x130/0x130 [ 436.674826] ? debug_smp_processor_id+0x1c/0x20 [ 436.679501] ? perf_trace_lock+0x14d/0x7a0 [ 436.683750] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 436.689304] __handle_mm_fault+0x3ea0/0x5be0 [ 436.693731] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 436.698583] ? lock_is_held_type+0x210/0x210 [ 436.703001] ? __switch_to_asm+0x34/0x70 [ 436.707082] ? __switch_to_asm+0x34/0x70 [ 436.711167] ? zap_class+0x640/0x640 [ 436.714881] ? zap_class+0x640/0x640 [ 436.718598] ? __x64_sys_futex+0x53e/0x6a0 [ 436.722853] ? find_held_lock+0x36/0x1c0 [ 436.726930] ? handle_mm_fault+0x42a/0xc70 [ 436.731177] ? lock_downgrade+0x900/0x900 [ 436.735336] ? check_preemption_disabled+0x48/0x280 [ 436.740367] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 436.745302] ? kasan_check_read+0x11/0x20 [ 436.749461] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 436.754747] ? rcu_softirq_qs+0x20/0x20 [ 436.758729] ? trace_hardirqs_off_caller+0x310/0x310 [ 436.763845] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 436.769394] ? check_preemption_disabled+0x48/0x280 [ 436.774439] handle_mm_fault+0x54f/0xc70 [ 436.778509] ? __handle_mm_fault+0x5be0/0x5be0 [ 436.783107] ? find_vma+0x34/0x190 [ 436.786658] __do_page_fault+0x5e8/0xe60 [ 436.790722] ? trace_hardirqs_off+0xb8/0x310 [ 436.795166] do_page_fault+0xf2/0x7e0 [ 436.798974] ? vmalloc_sync_all+0x30/0x30 [ 436.803126] ? error_entry+0x70/0xd0 [ 436.806846] ? trace_hardirqs_off_caller+0xbb/0x310 [ 436.811870] ? trace_hardirqs_on_caller+0xc0/0x310 [ 436.816808] ? syscall_return_slowpath+0x5e0/0x5e0 [ 436.821744] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 436.826602] ? trace_hardirqs_on_caller+0x310/0x310 [ 436.831624] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 436.837095] ? prepare_exit_to_usermode+0x291/0x3b0 [ 436.842120] ? page_fault+0x8/0x30 [ 436.845668] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 436.850527] ? page_fault+0x8/0x30 [ 436.854081] page_fault+0x1e/0x30 [ 436.857536] RIP: 0033:0x45ddf3 [ 436.860742] Code: Bad RIP value. [ 436.864107] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 436.869473] RAX: ffffffffffffff92 RBX: 0000000028898d51 RCX: 000000000045ddf3 [ 436.876753] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014f1120 [ 436.884046] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 436.891339] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 436.898614] R13: 000000c42841fe60 R14: 0000000000000001 R15: 0000000000000000 [ 436.905917] warn_alloc_show_mem: 1 callbacks suppressed [ 436.905935] CPU: 1 PID: 16798 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #167 [ 436.905937] Mem-Info: [ 436.905968] active_anon:45985 inactive_anon:296 isolated_anon:0 [ 436.905968] active_file:15 inactive_file:8 isolated_file:0 [ 436.905968] unevictable:0 dirty:0 writeback:0 unstable:0 [ 436.905968] slab_reclaimable:9236 slab_unreclaimable:1461135 [ 436.905968] mapped:40979 shmem:353 pagetables:587 bounce:0 [ 436.905968] free:13771 free_pcp:249 free_cma:0 [ 436.911311] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 436.911321] Call Trace: [ 436.918789] Node 0 active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1412kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 436.921192] [ 436.954005] 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 [ 436.963381] dump_stack+0x244/0x39d [ 436.966648] lowmem_reserve[]: 0 2818 6321 6321 [ 436.994335] ? dump_stack_print_info.cold.1+0x20/0x20 [ 436.996460] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:404kB local_pcp:156kB free_cma:0kB [ 437.022583] warn_alloc.cold.116+0xb7/0x1bd [ 437.026188] lowmem_reserve[]: 0 0 3503 3503 [ 437.030790] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 437.035960] Node 0 Normal free:14000kB min:37364kB low:46704kB high:56044kB active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2348kB bounce:0kB free_pcp:592kB local_pcp:388kB free_cma:0kB [ 437.063492] ? lock_downgrade+0x900/0x900 [ 437.067793] lowmem_reserve[]: 0 0 0 0 [ 437.072135] ? trace_hardirqs_off+0xb8/0x310 [ 437.076945] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 437.105939] ? trace_hardirqs_off+0xb8/0x310 [ 437.110075] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 2*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 437.113881] __alloc_pages_slowpath+0x2651/0x2de0 [ 437.118258] Node 0 Normal: 794*4kB (MEH) 441*8kB (UMEH) 176*16kB (UME) 69*32kB (UMEH) 18*64kB (UM) 1*128kB (U) 2*256kB (U) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14032kB [ 437.131810] ? warn_alloc+0x120/0x120 [ 437.136188] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 437.151280] ? warn_alloc+0x120/0x120 [ 437.156112] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 437.171549] ? warn_alloc+0x120/0x120 [ 437.175332] 376 total pagecache pages [ 437.184425] ? print_usage_bug+0xc0/0xc0 [ 437.188217] 0 pages in swap cache [ 437.196797] ? print_usage_bug+0xc0/0xc0 [ 437.200578] Swap cache stats: add 0, delete 0, find 0/0 [ 437.204375] ? mark_held_locks+0x130/0x130 [ 437.208415] Free swap = 0kB [ 437.211871] ? trace_hardirqs_off+0xb8/0x310 [ 437.215900] Total swap = 0kB [ 437.215909] 1965979 pages RAM [ 437.221277] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 437.225483] 0 pages HighMem/MovableOnly [ 437.228505] ? should_fail+0x22d/0xd01 [ 437.232881] 342854 pages reserved [ 437.232890] 0 pages cma reserved [ 437.235915] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 437.239052] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 437.244535] ? __lock_acquire+0x62f/0x4c20 [ 437.248622] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 437.252380] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 437.255814] syz-fuzzer cpuset=/ mems_allowed=0 [ 437.259181] ? should_fail+0x22d/0xd01 [ 437.299294] ? mark_held_locks+0x130/0x130 [ 437.303549] ? mark_held_locks+0x130/0x130 [ 437.307817] ? print_usage_bug+0xc0/0xc0 [ 437.311903] ? find_held_lock+0x36/0x1c0 [ 437.315985] ? zap_class+0x640/0x640 [ 437.319715] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.325271] ? check_preemption_disabled+0x48/0x280 [ 437.330312] ? __lock_is_held+0xb5/0x140 [ 437.334395] __alloc_pages_nodemask+0xad8/0xea0 [ 437.339084] ? zap_class+0x640/0x640 [ 437.342830] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 437.347873] ? find_held_lock+0x36/0x1c0 [ 437.351958] ? ____cache_alloc_node+0x1c7/0x1e0 [ 437.356650] ? lock_downgrade+0x900/0x900 [ 437.360818] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.366375] cache_grow_begin+0xa5/0x8c0 [ 437.370450] ? do_raw_spin_unlock+0xa7/0x330 [ 437.374881] fallback_alloc+0x204/0x2e0 [ 437.378879] ____cache_alloc_node+0x1c7/0x1e0 [ 437.383398] kmem_cache_alloc_node+0xe3/0x730 [ 437.387908] ? mark_held_locks+0xc7/0x130 [ 437.392094] __alloc_skb+0x119/0x770 [ 437.395827] ? netdev_alloc_frag+0x1f0/0x1f0 [ 437.400244] ? do_raw_spin_trylock+0x270/0x270 [ 437.404838] ? kmem_cache_alloc_trace+0x353/0x750 [ 437.409694] ? queue_work_on+0x12c/0x1e0 [ 437.413770] ? switchdev_port_obj_del+0xe3/0x450 [ 437.418537] ? switchdev_trans_item_enqueue+0x260/0x260 [ 437.423910] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 437.429206] ? rcu_softirq_qs+0x20/0x20 [ 437.433196] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 437.438232] __br_mdb_notify+0x4ff/0x15d0 [ 437.442411] ? __br_mdb_add+0x7f0/0x7f0 [ 437.446413] ? zap_class+0x640/0x640 [ 437.450149] ? br_multicast_group_expired+0x96/0x610 [ 437.455274] br_mdb_notify+0x310/0x410 [ 437.459175] ? br_mdb_dump+0x27b0/0x27b0 [ 437.463269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.468827] br_multicast_group_expired+0x1bc/0x610 [ 437.473864] ? br_mdb_free+0x80/0x80 [ 437.477600] call_timer_fn+0x272/0x920 [ 437.481498] ? br_mdb_free+0x80/0x80 [ 437.485222] ? process_timeout+0x40/0x40 [ 437.489299] ? __run_timers+0x7da/0xc70 [ 437.493287] ? _raw_spin_unlock_irq+0x27/0x80 [ 437.497790] ? _raw_spin_unlock_irq+0x27/0x80 [ 437.502296] ? br_mdb_free+0x80/0x80 [ 437.506025] ? lockdep_hardirqs_on+0x296/0x5b0 [ 437.510627] ? trace_hardirqs_on+0xbd/0x310 [ 437.514960] ? kasan_check_read+0x11/0x20 [ 437.519121] ? __run_timers+0x7da/0xc70 [ 437.523110] ? trace_hardirqs_off_caller+0x310/0x310 [ 437.528235] ? br_mdb_free+0x80/0x80 [ 437.531970] ? br_mdb_free+0x80/0x80 [ 437.535693] __run_timers+0x7e5/0xc70 [ 437.539517] ? timer_fixup_init+0x70/0x70 [ 437.543683] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 437.548713] ? zap_class+0x640/0x640 [ 437.552440] ? enqueue_hrtimer+0x1a5/0x560 [ 437.556686] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 437.561894] ? find_held_lock+0x36/0x1c0 [ 437.565996] ? zap_class+0x640/0x640 [ 437.569722] ? pvclock_read_flags+0x160/0x160 [ 437.574235] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.579784] ? check_preemption_disabled+0x48/0x280 [ 437.584824] ? __lock_is_held+0xb5/0x140 [ 437.588898] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.594462] ? check_preemption_disabled+0x48/0x280 [ 437.599502] run_timer_softirq+0x52/0xb0 [ 437.603575] ? rcu_read_lock_sched_held+0x14f/0x180 [ 437.608608] __do_softirq+0x308/0xb7e [ 437.612430] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 437.616946] ? lock_downgrade+0x900/0x900 [ 437.621112] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 437.626235] ? pvclock_read_flags+0x160/0x160 [ 437.630747] ? lapic_next_event+0x5a/0x90 [ 437.634910] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.640470] ? kvm_clock_read+0x18/0x30 [ 437.644461] ? kvm_sched_clock_read+0x9/0x20 [ 437.648894] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.654450] ? check_preemption_disabled+0x48/0x280 [ 437.659492] irq_exit+0x17f/0x1c0 [ 437.662964] smp_apic_timer_interrupt+0x1cb/0x760 [ 437.667820] ? smp_reschedule_interrupt+0x109/0x650 [ 437.672851] ? smp_call_function_single_interrupt+0x650/0x650 [ 437.678751] ? interrupt_entry+0xb5/0xc0 [ 437.682833] ? trace_hardirqs_off_caller+0xbb/0x310 [ 437.687860] ? trace_hardirqs_off_caller+0xbb/0x310 [ 437.692890] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 437.697756] ? trace_hardirqs_on_caller+0x310/0x310 [ 437.702796] ? trace_hardirqs_on_caller+0x310/0x310 [ 437.707828] ? task_prio+0x50/0x50 [ 437.711380] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.716944] ? check_preemption_disabled+0x48/0x280 [ 437.722006] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 437.726865] apic_timer_interrupt+0xf/0x20 [ 437.731105] [ 437.733355] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 437.738293] Code: 7e 0f 85 cf fe ff ff e8 66 cb 3d ff e9 c5 fe ff ff e8 0d 01 c3 ff 48 83 3d a5 49 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 42 f3 [ 437.757205] RSP: 0018:ffff888195497718 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 437.764934] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 437.772221] RDX: 0000000000000000 RSI: ffff8881d2488b40 RDI: 0000000000000282 [ 437.779507] RBP: ffff888195497780 R08: ffff8881d24882c0 R09: 0000000000000000 [ 437.786790] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 437.794088] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020 [ 437.801415] skb_clone+0x1bb/0x500 [ 437.804972] ? skb_split+0x11e0/0x11e0 [ 437.808876] ? check_preemption_disabled+0x48/0x280 [ 437.813913] ? __this_cpu_preempt_check+0x1c/0x20 [ 437.818777] ? __bpf_redirect+0x55b/0xb60 [ 437.822945] ? __switch_to_asm+0x34/0x70 [ 437.827008] ? __switch_to_asm+0x40/0x70 [ 437.831089] bpf_clone_redirect+0xb9/0x490 [ 437.835346] bpf_prog_3d1649e183dc2cc1+0xaf9/0x1000 [ 437.840377] ? __sched_text_start+0x8/0x8 [ 437.844548] ? find_held_lock+0x36/0x1c0 [ 437.848628] ? lock_acquire+0x1ed/0x520 [ 437.852611] ? bpf_test_run+0x3cb/0x780 [ 437.856597] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.862145] ? check_preemption_disabled+0x48/0x280 [ 437.867179] ? kasan_check_read+0x11/0x20 [ 437.871338] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 437.876629] ? rcu_softirq_qs+0x20/0x20 [ 437.880613] ? preempt_schedule+0x4d/0x60 [ 437.884769] ? ___preempt_schedule+0x16/0x18 [ 437.889190] ? bpf_test_run+0x25d/0x780 [ 437.893183] ? netlink_diag_dump+0x2a0/0x2a0 [ 437.897612] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 437.903160] ? bpf_test_init.isra.10+0x70/0x100 [ 437.907949] ? bpf_prog_test_run_skb+0x73b/0xd10 [ 437.912734] ? bpf_test_finish.isra.9+0x260/0x260 [ 437.917589] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 437.923141] ? fput+0x130/0x1a0 [ 437.926434] ? __bpf_prog_get+0x9b/0x290 [ 437.930512] ? bpf_test_finish.isra.9+0x260/0x260 [ 437.935369] ? bpf_prog_test_run+0x130/0x1a0 [ 437.939790] ? __x64_sys_bpf+0x3db/0x520 [ 437.943869] ? bpf_prog_get+0x20/0x20 [ 437.947705] ? do_syscall_64+0x1b9/0x820 [ 437.951779] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 437.957161] ? syscall_return_slowpath+0x5e0/0x5e0 [ 437.962109] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 437.966975] ? trace_hardirqs_on_caller+0x310/0x310 [ 437.972012] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 437.977047] ? prepare_exit_to_usermode+0x291/0x3b0 [ 437.982104] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 437.986973] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 437.992370] CPU: 0 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #167 [ 437.992522] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 437.999411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 437.999427] Call Trace: [ 438.009909] syz-executor0 cpuset=syz0 mems_allowed=0 [ 438.019267] [ 438.029096] dump_stack+0x244/0x39d [ 438.032735] ? dump_stack_print_info.cold.1+0x20/0x20 [ 438.037946] warn_alloc.cold.116+0xb7/0x1bd [ 438.042281] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 438.047136] ? lock_downgrade+0x900/0x900 [ 438.051299] ? trace_hardirqs_off+0xb8/0x310 [ 438.055717] ? trace_hardirqs_off+0xb8/0x310 [ 438.060140] __alloc_pages_slowpath+0x2651/0x2de0 [ 438.065021] ? warn_alloc+0x120/0x120 [ 438.068830] ? print_usage_bug+0xc0/0xc0 [ 438.072895] ? warn_alloc+0x120/0x120 [ 438.076702] ? warn_alloc+0x120/0x120 [ 438.080507] ? print_usage_bug+0xc0/0xc0 [ 438.084570] ? kvm_clock_read+0x18/0x30 [ 438.088550] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 438.093578] ? print_usage_bug+0xc0/0xc0 [ 438.097645] ? __lock_acquire+0x62f/0x4c20 [ 438.101894] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 438.107443] ? should_fail+0x22d/0xd01 [ 438.111334] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 438.116626] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 438.121741] ? __lock_acquire+0x62f/0x4c20 [ 438.125987] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 438.131105] ? __lock_acquire+0x62f/0x4c20 [ 438.135357] ? should_fail+0x22d/0xd01 [ 438.139246] ? rcu_irq_exit+0x1a2/0x390 [ 438.143235] ? mark_held_locks+0x130/0x130 [ 438.147482] ? mark_held_locks+0x130/0x130 [ 438.151728] ? mark_held_locks+0xc7/0x130 [ 438.155882] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 438.160908] ? zap_class+0x640/0x640 [ 438.164631] ? print_usage_bug+0xc0/0xc0 [ 438.168704] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.174251] ? check_preemption_disabled+0x48/0x280 [ 438.179284] ? __lock_is_held+0xb5/0x140 [ 438.183359] __alloc_pages_nodemask+0xad8/0xea0 [ 438.188036] ? zap_class+0x640/0x640 [ 438.191773] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 438.196813] ? find_held_lock+0x36/0x1c0 [ 438.200891] ? ____cache_alloc_node+0x1c7/0x1e0 [ 438.205570] ? lock_downgrade+0x900/0x900 [ 438.209738] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.215295] cache_grow_begin+0xa5/0x8c0 [ 438.219366] ? do_raw_spin_unlock+0xa7/0x330 [ 438.223790] fallback_alloc+0x204/0x2e0 [ 438.227783] ____cache_alloc_node+0x1c7/0x1e0 [ 438.232294] kmem_cache_alloc_node+0xe3/0x730 [ 438.236800] ? ipv6_get_ifaddr+0x42e/0x620 [ 438.241054] __alloc_skb+0x119/0x770 [ 438.244785] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 438.250082] ? netdev_alloc_frag+0x1f0/0x1f0 [ 438.254502] ? lock_downgrade+0x900/0x900 [ 438.258668] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.264214] ? refcount_sub_and_test_checked+0x203/0x310 [ 438.269681] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 438.275143] ? addrconf_rs_timer+0x690/0x690 [ 438.279569] ndisc_alloc_skb+0x144/0x340 [ 438.283642] ndisc_send_rs+0x331/0x6e0 [ 438.287541] addrconf_rs_timer+0x314/0x690 [ 438.291789] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 438.296041] call_timer_fn+0x272/0x920 [ 438.299945] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 438.304184] ? process_timeout+0x40/0x40 [ 438.308261] ? mark_held_locks+0xc7/0x130 [ 438.312578] ? _raw_spin_unlock_irq+0x27/0x80 [ 438.317083] ? _raw_spin_unlock_irq+0x27/0x80 [ 438.321587] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 438.325830] ? lockdep_hardirqs_on+0x296/0x5b0 [ 438.330420] ? trace_hardirqs_on+0xbd/0x310 [ 438.334750] ? kasan_check_read+0x11/0x20 [ 438.338904] ? __run_timers+0x7da/0xc70 [ 438.342886] ? trace_hardirqs_off_caller+0x310/0x310 [ 438.348000] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 438.352240] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 438.356477] __run_timers+0x7e5/0xc70 [ 438.360287] ? timer_fixup_init+0x70/0x70 [ 438.364444] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 438.369467] ? zap_class+0x640/0x640 [ 438.373186] ? print_usage_bug+0xc0/0xc0 [ 438.377278] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 438.382476] ? find_held_lock+0x36/0x1c0 [ 438.386543] ? zap_class+0x640/0x640 [ 438.390265] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.395804] ? check_preemption_disabled+0x48/0x280 [ 438.400833] ? __lock_is_held+0xb5/0x140 [ 438.404898] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.410445] ? check_preemption_disabled+0x48/0x280 [ 438.415467] run_timer_softirq+0x52/0xb0 [ 438.419531] ? rcu_read_lock_sched_held+0x14f/0x180 [ 438.424549] __do_softirq+0x308/0xb7e [ 438.428354] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 438.432901] ? lock_downgrade+0x900/0x900 [ 438.437055] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 438.442178] ? pvclock_read_flags+0x160/0x160 [ 438.446680] ? lapic_next_event+0x5a/0x90 [ 438.450831] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.456373] ? kvm_clock_read+0x18/0x30 [ 438.460353] ? kvm_sched_clock_read+0x9/0x20 [ 438.464769] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 438.470312] ? check_preemption_disabled+0x48/0x280 [ 438.475339] irq_exit+0x17f/0x1c0 [ 438.478799] smp_apic_timer_interrupt+0x1cb/0x760 [ 438.483643] ? smp_reschedule_interrupt+0x109/0x650 [ 438.488664] ? smp_call_function_single_interrupt+0x650/0x650 [ 438.494554] ? interrupt_entry+0xb5/0xc0 [ 438.498616] ? trace_hardirqs_off_caller+0xbb/0x310 [ 438.503634] ? trace_hardirqs_off_caller+0xbb/0x310 [ 438.508651] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 438.513498] ? trace_hardirqs_on_caller+0x310/0x310 [ 438.518514] ? trace_hardirqs_on_caller+0x310/0x310 [ 438.523545] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 438.528398] apic_timer_interrupt+0xf/0x20 [ 438.532633] [ 438.534874] RIP: 0010:dump_stack+0x358/0x39d [ 438.539287] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 f1 36 ed f9 48 83 3d f9 27 7c 01 00 0f 84 63 fe ff ff e8 6e b7 a9 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b b7 a9 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 438.558195] RSP: 0000:ffff8881bb40e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 438.565928] RAX: ffff8881c2208180 RBX: 1ffffffff12a3f6e RCX: 1ffff1103844114e [ 438.573197] RDX: 0000000000000000 RSI: ffffffff87d5d382 RDI: 0000000000000293 [ 438.580465] RBP: ffff8881bb40e290 R08: ffff8881c2208a70 R09: 0000000000000006 [ 438.587744] R10: 0000000000000000 R11: ffff8881c2208180 R12: 1ffff11037681c45 [ 438.595011] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 438.602313] ? dump_stack+0x34f/0x39d [ 438.606128] ? dump_stack_print_info.cold.1+0x20/0x20 [ 438.611325] ? mark_held_locks+0x130/0x130 [ 438.615558] ? mark_held_locks+0x130/0x130 [ 438.619804] dump_header+0x27b/0xf72 [ 438.623533] ? pagefault_out_of_memory+0x197/0x197 [ 438.628470] ? __lock_acquire+0x62f/0x4c20 [ 438.632706] ? percpu_ref_get_many+0x240/0x240 [ 438.637294] ? print_usage_bug+0xc0/0xc0 [ 438.641367] ? zap_class+0x640/0x640 [ 438.645088] ? print_usage_bug+0xc0/0xc0 [ 438.649152] ? print_usage_bug+0xc0/0xc0 [ 438.653219] ? zap_class+0x640/0x640 [ 438.656938] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.662485] ? find_held_lock+0x36/0x1c0 [ 438.666559] ? mark_held_locks+0xc7/0x130 [ 438.670709] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 438.675812] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 438.680918] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 438.685510] ? trace_hardirqs_on+0xbd/0x310 [ 438.689830] ? kasan_check_read+0x11/0x20 [ 438.693978] ? ___ratelimit+0x3b4/0x672 [ 438.697959] ? trace_hardirqs_off_caller+0x310/0x310 [ 438.703073] ? trace_hardirqs_on+0x310/0x310 [ 438.707487] ? lock_downgrade+0x900/0x900 [ 438.711646] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 438.716755] ? ___ratelimit+0x3b9/0x672 [ 438.720733] ? idr_get_free+0xf70/0xf70 [ 438.724712] ? find_held_lock+0x36/0x1c0 [ 438.728788] oom_kill_process.cold.27+0x10/0x903 [ 438.733550] ? zap_class+0x640/0x640 [ 438.737269] ? check_preemption_disabled+0x48/0x280 [ 438.742295] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 438.747240] ? kasan_check_read+0x11/0x20 [ 438.751387] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 438.756668] ? oom_evaluate_task+0x540/0x540 [ 438.761089] ? find_held_lock+0x36/0x1c0 [ 438.765165] ? out_of_memory+0x974/0x1430 [ 438.769324] ? lock_downgrade+0x900/0x900 [ 438.773471] ? check_preemption_disabled+0x48/0x280 [ 438.778491] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 438.783419] ? kasan_check_read+0x11/0x20 [ 438.787584] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 438.792860] ? rcu_softirq_qs+0x20/0x20 [ 438.796841] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 438.802382] ? oom_evaluate_task+0x302/0x540 [ 438.806793] out_of_memory+0xa84/0x1430 [ 438.810780] ? oom_killer_disable+0x3a0/0x3a0 [ 438.815278] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 438.820218] ? __ww_mutex_check_waiters+0x160/0x160 [ 438.825245] __alloc_pages_slowpath+0x232c/0x2de0 [ 438.830126] ? warn_alloc+0x120/0x120 [ 438.833926] ? mark_held_locks+0x130/0x130 [ 438.838167] ? find_get_entry+0xaae/0x1120 [ 438.842417] ? filemap_map_pages+0x1a20/0x1a20 [ 438.847010] ? zap_class+0x640/0x640 [ 438.850731] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.856276] ? check_preemption_disabled+0x48/0x280 [ 438.861294] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 438.866834] ? should_fail+0x22d/0xd01 [ 438.870730] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 438.875835] ? zap_class+0x640/0x640 [ 438.879573] ? __lock_is_held+0xb5/0x140 [ 438.883642] ? mark_held_locks+0x130/0x130 [ 438.887881] ? lock_release+0xa00/0xa00 [ 438.891861] ? perf_trace_sched_process_exec+0x860/0x860 [ 438.897309] ? xa_load+0x2ba/0x460 [ 438.900850] ? lock_downgrade+0x900/0x900 [ 438.905003] ? __might_sleep+0x95/0x190 [ 438.908986] __alloc_pages_nodemask+0xad8/0xea0 [ 438.913668] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 438.918690] ? __page_cache_alloc+0x191/0x5c0 [ 438.923181] ? xa_load+0x2e1/0x460 [ 438.926723] ? xa_clear_mark+0x40/0x40 [ 438.930616] ? zap_class+0x640/0x640 [ 438.934339] ? zap_class+0x640/0x640 [ 438.938051] ? zap_class+0x640/0x640 [ 438.941775] ? __do_page_cache_readahead+0x663/0x810 [ 438.946883] ? find_held_lock+0x36/0x1c0 [ 438.950950] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 438.956497] alloc_pages_current+0x173/0x350 [ 438.960913] __page_cache_alloc+0x38c/0x5c0 [ 438.965234] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 438.970166] ? kasan_check_read+0x11/0x20 [ 438.974312] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 438.979599] ? generic_perform_write+0x6a0/0x6a0 [ 438.984369] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 438.989908] ? check_preemption_disabled+0x48/0x280 [ 438.994947] filemap_fault+0x1595/0x25f0 [ 438.999025] ? __lock_page_or_retry+0xa00/0xa00 [ 439.003707] ? mark_held_locks+0x130/0x130 [ 439.007952] ? filemap_map_pages+0xd6b/0x1a20 [ 439.012450] ? lock_downgrade+0x900/0x900 [ 439.016598] ? check_preemption_disabled+0x48/0x280 [ 439.021656] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 439.026589] ? kasan_check_read+0x11/0x20 [ 439.030735] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 439.036011] ? rcu_softirq_qs+0x20/0x20 [ 439.039999] ? filemap_map_pages+0xd92/0x1a20 [ 439.044507] ? find_get_entries_tag+0x1400/0x1400 [ 439.049356] ? debug_object_destroy+0x2b0/0x2b0 [ 439.054027] ? lock_pi_update_atomic+0x150/0x150 [ 439.058805] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.064372] ? lock_acquire+0x1ed/0x520 [ 439.068344] ? ext4_filemap_fault+0x7a/0xad [ 439.072672] ? lock_release+0xa00/0xa00 [ 439.076644] ? perf_trace_sched_process_exec+0x860/0x860 [ 439.082098] ? print_usage_bug+0xc0/0xc0 [ 439.086170] ? print_usage_bug+0xc0/0xc0 [ 439.090242] ? down_read+0x8d/0x120 [ 439.093869] ? ext4_filemap_fault+0x7a/0xad [ 439.098191] ? __down_interruptible+0x700/0x700 [ 439.102869] ext4_filemap_fault+0x82/0xad [ 439.107025] __do_fault+0x100/0x6b0 [ 439.110659] ? find_held_lock+0x36/0x1c0 [ 439.114724] ? pmd_devmap_trans_unstable+0x220/0x220 [ 439.119836] ? mark_held_locks+0x130/0x130 [ 439.124079] ? mark_held_locks+0x130/0x130 [ 439.128327] ? debug_smp_processor_id+0x1c/0x20 [ 439.132995] ? perf_trace_lock+0x14d/0x7a0 [ 439.137236] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 439.142785] __handle_mm_fault+0x3ea0/0x5be0 [ 439.147205] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 439.152048] ? lock_is_held_type+0x210/0x210 [ 439.156474] ? __switch_to_asm+0x34/0x70 [ 439.160538] ? __switch_to_asm+0x34/0x70 [ 439.164613] ? zap_class+0x640/0x640 [ 439.168332] ? zap_class+0x640/0x640 [ 439.172044] ? __x64_sys_futex+0x53e/0x6a0 [ 439.176296] ? find_held_lock+0x36/0x1c0 [ 439.180533] ? handle_mm_fault+0x42a/0xc70 [ 439.184786] ? lock_downgrade+0x900/0x900 [ 439.188936] ? check_preemption_disabled+0x48/0x280 [ 439.193962] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 439.198891] ? kasan_check_read+0x11/0x20 [ 439.203037] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 439.208322] ? rcu_softirq_qs+0x20/0x20 [ 439.212300] ? trace_hardirqs_off_caller+0x310/0x310 [ 439.217408] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 439.222953] ? check_preemption_disabled+0x48/0x280 [ 439.227980] handle_mm_fault+0x54f/0xc70 [ 439.232049] ? __handle_mm_fault+0x5be0/0x5be0 [ 439.236646] ? find_vma+0x34/0x190 [ 439.240190] __do_page_fault+0x5e8/0xe60 [ 439.244253] ? trace_hardirqs_off+0xb8/0x310 [ 439.248674] do_page_fault+0xf2/0x7e0 [ 439.252475] ? vmalloc_sync_all+0x30/0x30 [ 439.256627] ? error_entry+0x70/0xd0 [ 439.260346] ? trace_hardirqs_off_caller+0xbb/0x310 [ 439.265367] ? trace_hardirqs_on_caller+0xc0/0x310 [ 439.270302] ? syscall_return_slowpath+0x5e0/0x5e0 [ 439.275231] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 439.280083] ? trace_hardirqs_on_caller+0x310/0x310 [ 439.285105] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 439.290565] ? prepare_exit_to_usermode+0x291/0x3b0 [ 439.295586] ? page_fault+0x8/0x30 [ 439.299128] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 439.303972] ? page_fault+0x8/0x30 [ 439.307519] page_fault+0x1e/0x30 [ 439.310976] RIP: 0033:0x45ddf3 [ 439.314182] Code: Bad RIP value. [ 439.317542] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 439.322907] RAX: ffffffffffffff92 RBX: 0000000028898d51 RCX: 000000000045ddf3 [ 439.330177] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014f1120 [ 439.337703] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 439.344970] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 439.352241] R13: 000000c42841fe60 R14: 0000000000000001 R15: 0000000000000000 [ 439.359532] warn_alloc_show_mem: 1 callbacks suppressed [ 439.359544] CPU: 1 PID: 16798 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #167 [ 439.359546] Mem-Info: [ 439.359587] active_anon:45985 inactive_anon:296 isolated_anon:0 [ 439.359587] active_file:15 inactive_file:8 isolated_file:0 [ 439.359587] unevictable:0 dirty:0 writeback:0 unstable:0 [ 439.359587] slab_reclaimable:9236 slab_unreclaimable:1461135 [ 439.359587] mapped:40979 shmem:353 pagetables:587 bounce:0 [ 439.359587] free:13771 free_pcp:249 free_cma:0 [ 439.364932] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 439.372296] Node 0 active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1412kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 439.374695] Call Trace: [ 439.407486] 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 [ 439.416836] [ 439.444497] lowmem_reserve[]: 0 2818 6321 6321 [ 439.447105] dump_stack+0x244/0x39d [ 439.473198] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:404kB local_pcp:156kB free_cma:0kB [ 439.475355] ? dump_stack_print_info.cold.1+0x20/0x20 [ 439.479900] lowmem_reserve[]: 0 0 3503 3503 [ 439.483534] warn_alloc.cold.116+0xb7/0x1bd [ 439.511009] Node 0 Normal free:14000kB min:37364kB low:46704kB high:56044kB active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2348kB bounce:0kB free_pcp:592kB local_pcp:388kB free_cma:0kB [ 439.516199] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 439.520481] lowmem_reserve[]: 0 0 0 0 [ 439.524808] ? lock_downgrade+0x900/0x900 [ 439.553769] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 439.558617] ? trace_hardirqs_off+0xb8/0x310 [ 439.562387] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 2*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 439.566531] ? trace_hardirqs_off+0xb8/0x310 [ 439.580030] Node 0 Normal: 794*4kB (MEH) 441*8kB (UMEH) 176*16kB (UME) 69*32kB (UMEH) 18*64kB (UM) 1*128kB (U) 2*256kB (U) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14032kB [ 439.584443] __alloc_pages_slowpath+0x2651/0x2de0 [ 439.599511] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 439.603951] ? warn_alloc+0x120/0x120 [ 439.619339] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 439.624172] ? warn_alloc+0x120/0x120 [ 439.632983] 376 total pagecache pages [ 439.636784] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 439.645337] 0 pages in swap cache [ 439.649125] ? warn_alloc+0x120/0x120 [ 439.652899] Swap cache stats: add 0, delete 0, find 0/0 [ 439.652907] Free swap = 0kB [ 439.657921] ? print_usage_bug+0xc0/0xc0 [ 439.661347] Total swap = 0kB [ 439.661355] 1965979 pages RAM [ 439.665150] ? print_usage_bug+0xc0/0xc0 [ 439.670492] 0 pages HighMem/MovableOnly [ 439.673508] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 439.677536] 342854 pages reserved [ 439.677544] 0 pages cma reserved [ 439.680565] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 439.683697] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 439.687699] ? should_fail+0x22d/0xd01 [ 439.691732] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 439.696833] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 439.700264] syz-fuzzer cpuset=/ mems_allowed=0 [ 439.703627] ? __lock_acquire+0x62f/0x4c20 [ 439.743588] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 439.748692] ? should_fail+0x22d/0xd01 [ 439.752596] ? mark_held_locks+0x130/0x130 [ 439.756838] ? mark_held_locks+0x130/0x130 [ 439.761084] ? print_usage_bug+0xc0/0xc0 [ 439.765154] ? find_held_lock+0x36/0x1c0 [ 439.769220] ? zap_class+0x640/0x640 [ 439.772947] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.778487] ? check_preemption_disabled+0x48/0x280 [ 439.783517] ? __lock_is_held+0xb5/0x140 [ 439.787588] __alloc_pages_nodemask+0xad8/0xea0 [ 439.792263] ? zap_class+0x640/0x640 [ 439.795988] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 439.801018] ? find_held_lock+0x36/0x1c0 [ 439.805102] ? ____cache_alloc_node+0x1c7/0x1e0 [ 439.809797] ? lock_downgrade+0x900/0x900 [ 439.813960] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.819504] cache_grow_begin+0xa5/0x8c0 [ 439.823568] ? do_raw_spin_unlock+0xa7/0x330 [ 439.827985] fallback_alloc+0x204/0x2e0 [ 439.831970] ____cache_alloc_node+0x1c7/0x1e0 [ 439.836470] kmem_cache_alloc_node+0xe3/0x730 [ 439.840969] ? mark_held_locks+0xc7/0x130 [ 439.845130] __alloc_skb+0x119/0x770 [ 439.848851] ? netdev_alloc_frag+0x1f0/0x1f0 [ 439.853262] ? do_raw_spin_trylock+0x270/0x270 [ 439.857845] ? kmem_cache_alloc_trace+0x353/0x750 [ 439.862694] ? queue_work_on+0x12c/0x1e0 [ 439.866766] ? switchdev_port_obj_del+0xe3/0x450 [ 439.871525] ? switchdev_trans_item_enqueue+0x260/0x260 [ 439.876897] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 439.881929] __br_mdb_notify+0x4ff/0x15d0 [ 439.886095] ? __br_mdb_add+0x7f0/0x7f0 [ 439.890088] ? zap_class+0x640/0x640 [ 439.893812] ? br_multicast_group_expired+0x96/0x610 [ 439.898915] ? lock_downgrade+0x900/0x900 [ 439.903081] br_mdb_notify+0x310/0x410 [ 439.906972] ? br_mdb_dump+0x27b0/0x27b0 [ 439.911039] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.916597] br_multicast_group_expired+0x1bc/0x610 [ 439.921621] ? br_mdb_free+0x80/0x80 [ 439.925346] call_timer_fn+0x272/0x920 [ 439.929235] ? br_mdb_free+0x80/0x80 [ 439.932959] ? process_timeout+0x40/0x40 [ 439.937028] ? __run_timers+0x7da/0xc70 [ 439.941018] ? _raw_spin_unlock_irq+0x27/0x80 [ 439.945512] ? _raw_spin_unlock_irq+0x27/0x80 [ 439.950009] ? br_mdb_free+0x80/0x80 [ 439.953726] ? lockdep_hardirqs_on+0x296/0x5b0 [ 439.958314] ? trace_hardirqs_on+0xbd/0x310 [ 439.962641] ? kasan_check_read+0x11/0x20 [ 439.966790] ? __run_timers+0x7da/0xc70 [ 439.970764] ? trace_hardirqs_off_caller+0x310/0x310 [ 439.975877] ? br_mdb_free+0x80/0x80 [ 439.979596] ? br_mdb_free+0x80/0x80 [ 439.983307] __run_timers+0x7e5/0xc70 [ 439.987121] ? timer_fixup_init+0x70/0x70 [ 439.991273] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 439.996291] ? zap_class+0x640/0x640 [ 440.000012] ? enqueue_hrtimer+0x1a5/0x560 [ 440.004254] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 440.009465] ? find_held_lock+0x36/0x1c0 [ 440.013535] ? zap_class+0x640/0x640 [ 440.017257] ? pvclock_read_flags+0x160/0x160 [ 440.021758] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.027299] ? check_preemption_disabled+0x48/0x280 [ 440.032337] ? __lock_is_held+0xb5/0x140 [ 440.036404] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.041947] ? check_preemption_disabled+0x48/0x280 [ 440.046973] run_timer_softirq+0x52/0xb0 [ 440.051037] ? rcu_read_lock_sched_held+0x14f/0x180 [ 440.056070] __do_softirq+0x308/0xb7e [ 440.059879] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 440.064377] ? lock_downgrade+0x900/0x900 [ 440.068529] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 440.073643] ? pvclock_read_flags+0x160/0x160 [ 440.078143] ? lapic_next_event+0x5a/0x90 [ 440.082300] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.087842] ? kvm_clock_read+0x18/0x30 [ 440.091846] ? kvm_sched_clock_read+0x9/0x20 [ 440.096259] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.101803] ? check_preemption_disabled+0x48/0x280 [ 440.106829] irq_exit+0x17f/0x1c0 [ 440.110288] smp_apic_timer_interrupt+0x1cb/0x760 [ 440.115146] ? smp_reschedule_interrupt+0x109/0x650 [ 440.120167] ? smp_call_function_single_interrupt+0x650/0x650 [ 440.126054] ? interrupt_entry+0xb5/0xc0 [ 440.130133] ? trace_hardirqs_off_caller+0xbb/0x310 [ 440.135150] ? trace_hardirqs_off_caller+0xbb/0x310 [ 440.140170] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 440.145018] ? trace_hardirqs_on_caller+0x310/0x310 [ 440.150037] ? trace_hardirqs_on_caller+0x310/0x310 [ 440.155070] ? task_prio+0x50/0x50 [ 440.158615] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.164158] ? check_preemption_disabled+0x48/0x280 [ 440.169184] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 440.174036] apic_timer_interrupt+0xf/0x20 [ 440.178272] [ 440.180516] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 440.185446] Code: 7e 0f 85 cf fe ff ff e8 66 cb 3d ff e9 c5 fe ff ff e8 0d 01 c3 ff 48 83 3d a5 49 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 42 f3 [ 440.204356] RSP: 0018:ffff888195497718 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 440.212072] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 440.219343] RDX: 0000000000000000 RSI: ffff8881d2488b40 RDI: 0000000000000282 [ 440.226616] RBP: ffff888195497780 R08: ffff8881d24882c0 R09: 0000000000000000 [ 440.233885] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 440.241153] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020 [ 440.248470] skb_clone+0x1bb/0x500 [ 440.252016] ? skb_split+0x11e0/0x11e0 [ 440.255911] ? check_preemption_disabled+0x48/0x280 [ 440.260942] ? __this_cpu_preempt_check+0x1c/0x20 [ 440.265790] ? __bpf_redirect+0x55b/0xb60 [ 440.269946] ? __switch_to_asm+0x34/0x70 [ 440.274010] ? __switch_to_asm+0x40/0x70 [ 440.278085] bpf_clone_redirect+0xb9/0x490 [ 440.282335] bpf_prog_3d1649e183dc2cc1+0xaf9/0x1000 [ 440.287360] ? __sched_text_start+0x8/0x8 [ 440.291522] ? find_held_lock+0x36/0x1c0 [ 440.295595] ? lock_acquire+0x1ed/0x520 [ 440.299570] ? bpf_test_run+0x3cb/0x780 [ 440.303549] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.309102] ? check_preemption_disabled+0x48/0x280 [ 440.314647] ? kasan_check_read+0x11/0x20 [ 440.318799] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 440.324082] ? rcu_softirq_qs+0x20/0x20 [ 440.328069] ? preempt_schedule+0x4d/0x60 [ 440.332224] ? ___preempt_schedule+0x16/0x18 [ 440.336645] ? bpf_test_run+0x25d/0x780 [ 440.340631] ? netlink_diag_dump+0x2a0/0x2a0 [ 440.345142] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 440.350687] ? bpf_test_init.isra.10+0x70/0x100 [ 440.355365] ? bpf_prog_test_run_skb+0x73b/0xd10 [ 440.360137] ? bpf_test_finish.isra.9+0x260/0x260 [ 440.364987] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 440.370526] ? fput+0x130/0x1a0 [ 440.373815] ? __bpf_prog_get+0x9b/0x290 [ 440.377884] ? bpf_test_finish.isra.9+0x260/0x260 [ 440.382732] ? bpf_prog_test_run+0x130/0x1a0 [ 440.387152] ? __x64_sys_bpf+0x3db/0x520 [ 440.391219] ? bpf_prog_get+0x20/0x20 [ 440.395049] ? do_syscall_64+0x1b9/0x820 [ 440.399122] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 440.404487] ? syscall_return_slowpath+0x5e0/0x5e0 [ 440.409416] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 440.414273] ? trace_hardirqs_on_caller+0x310/0x310 [ 440.419298] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 440.424318] ? prepare_exit_to_usermode+0x291/0x3b0 [ 440.429341] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 440.434197] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 440.439582] CPU: 0 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #167 [ 440.439737] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 440.446600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 440.446609] Call Trace: [ 440.457094] syz-executor0 cpuset=syz0 mems_allowed=0 [ 440.466443] [ 440.476260] dump_stack+0x244/0x39d [ 440.479905] ? dump_stack_print_info.cold.1+0x20/0x20 [ 440.485112] warn_alloc.cold.116+0xb7/0x1bd [ 440.489445] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 440.494292] ? lock_downgrade+0x900/0x900 [ 440.498454] ? trace_hardirqs_off+0xb8/0x310 [ 440.502868] ? trace_hardirqs_off+0xb8/0x310 [ 440.507291] __alloc_pages_slowpath+0x2651/0x2de0 [ 440.512171] ? warn_alloc+0x120/0x120 [ 440.515978] ? print_usage_bug+0xc0/0xc0 [ 440.520044] ? warn_alloc+0x120/0x120 [ 440.523861] ? warn_alloc+0x120/0x120 [ 440.527663] ? print_usage_bug+0xc0/0xc0 [ 440.531724] ? kvm_clock_read+0x18/0x30 [ 440.535699] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 440.540719] ? print_usage_bug+0xc0/0xc0 [ 440.544781] ? __lock_acquire+0x62f/0x4c20 [ 440.549024] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 440.554566] ? should_fail+0x22d/0xd01 [ 440.558454] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 440.563737] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 440.568842] ? __lock_acquire+0x62f/0x4c20 [ 440.573090] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 440.578196] ? __lock_acquire+0x62f/0x4c20 [ 440.582443] ? should_fail+0x22d/0xd01 [ 440.586339] ? rcu_irq_exit+0x1a2/0x390 [ 440.590341] ? mark_held_locks+0x130/0x130 [ 440.594589] ? mark_held_locks+0x130/0x130 [ 440.598866] ? mark_held_locks+0xc7/0x130 [ 440.603022] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 440.608082] ? zap_class+0x640/0x640 [ 440.611803] ? print_usage_bug+0xc0/0xc0 [ 440.615879] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.621436] ? check_preemption_disabled+0x48/0x280 [ 440.626477] ? __lock_is_held+0xb5/0x140 [ 440.630551] __alloc_pages_nodemask+0xad8/0xea0 [ 440.635230] ? zap_class+0x640/0x640 [ 440.638958] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 440.643997] ? find_held_lock+0x36/0x1c0 [ 440.648081] ? ____cache_alloc_node+0x1c7/0x1e0 [ 440.652761] ? lock_downgrade+0x900/0x900 [ 440.656923] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.662478] cache_grow_begin+0xa5/0x8c0 [ 440.666545] ? do_raw_spin_unlock+0xa7/0x330 [ 440.670969] fallback_alloc+0x204/0x2e0 [ 440.674954] ____cache_alloc_node+0x1c7/0x1e0 [ 440.679468] kmem_cache_alloc_node+0xe3/0x730 [ 440.683970] ? ipv6_get_ifaddr+0x42e/0x620 [ 440.688221] __alloc_skb+0x119/0x770 [ 440.691939] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 440.697233] ? netdev_alloc_frag+0x1f0/0x1f0 [ 440.701646] ? lock_downgrade+0x900/0x900 [ 440.705807] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.711357] ? refcount_sub_and_test_checked+0x203/0x310 [ 440.716818] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 440.722280] ? addrconf_rs_timer+0x690/0x690 [ 440.726705] ndisc_alloc_skb+0x144/0x340 [ 440.730776] ndisc_send_rs+0x331/0x6e0 [ 440.734676] addrconf_rs_timer+0x314/0x690 [ 440.738923] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 440.743177] call_timer_fn+0x272/0x920 [ 440.747078] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 440.751319] ? process_timeout+0x40/0x40 [ 440.755410] ? mark_held_locks+0xc7/0x130 [ 440.759568] ? _raw_spin_unlock_irq+0x27/0x80 [ 440.764088] ? _raw_spin_unlock_irq+0x27/0x80 [ 440.768588] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 440.772829] ? lockdep_hardirqs_on+0x296/0x5b0 [ 440.777419] ? trace_hardirqs_on+0xbd/0x310 [ 440.781754] ? kasan_check_read+0x11/0x20 [ 440.785908] ? __run_timers+0x7da/0xc70 [ 440.789888] ? trace_hardirqs_off_caller+0x310/0x310 [ 440.795008] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 440.799251] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 440.803488] __run_timers+0x7e5/0xc70 [ 440.807305] ? timer_fixup_init+0x70/0x70 [ 440.811461] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 440.816487] ? zap_class+0x640/0x640 [ 440.820209] ? print_usage_bug+0xc0/0xc0 [ 440.824276] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 440.829481] ? find_held_lock+0x36/0x1c0 [ 440.833554] ? zap_class+0x640/0x640 [ 440.837282] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.842829] ? check_preemption_disabled+0x48/0x280 [ 440.847861] ? __lock_is_held+0xb5/0x140 [ 440.851927] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.857479] ? check_preemption_disabled+0x48/0x280 [ 440.862507] run_timer_softirq+0x52/0xb0 [ 440.866576] ? rcu_read_lock_sched_held+0x14f/0x180 [ 440.871599] __do_softirq+0x308/0xb7e [ 440.875411] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 440.879913] ? lock_downgrade+0x900/0x900 [ 440.884078] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 440.889199] ? pvclock_read_flags+0x160/0x160 [ 440.893704] ? lapic_next_event+0x5a/0x90 [ 440.897860] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.903408] ? kvm_clock_read+0x18/0x30 [ 440.907390] ? kvm_sched_clock_read+0x9/0x20 [ 440.911807] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 440.917359] ? check_preemption_disabled+0x48/0x280 [ 440.922387] irq_exit+0x17f/0x1c0 [ 440.925851] smp_apic_timer_interrupt+0x1cb/0x760 [ 440.930701] ? smp_reschedule_interrupt+0x109/0x650 [ 440.935727] ? smp_call_function_single_interrupt+0x650/0x650 [ 440.941617] ? interrupt_entry+0xb5/0xc0 [ 440.945687] ? trace_hardirqs_off_caller+0xbb/0x310 [ 440.950710] ? trace_hardirqs_off_caller+0xbb/0x310 [ 440.955735] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 440.960585] ? trace_hardirqs_on_caller+0x310/0x310 [ 440.965607] ? trace_hardirqs_on_caller+0x310/0x310 [ 440.970642] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 440.975497] apic_timer_interrupt+0xf/0x20 [ 440.979730] [ 440.981977] RIP: 0010:dump_stack+0x358/0x39d [ 440.986388] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 f1 36 ed f9 48 83 3d f9 27 7c 01 00 0f 84 63 fe ff ff e8 6e b7 a9 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b b7 a9 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 441.005305] RSP: 0000:ffff8881bb40e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 441.013023] RAX: ffff8881c2208180 RBX: 1ffffffff12a3f6e RCX: 1ffff1103844114e [ 441.020298] RDX: 0000000000000000 RSI: ffffffff87d5d382 RDI: 0000000000000293 [ 441.027572] RBP: ffff8881bb40e290 R08: ffff8881c2208a70 R09: 0000000000000006 [ 441.034848] R10: 0000000000000000 R11: ffff8881c2208180 R12: 1ffff11037681c45 [ 441.042122] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 441.049422] ? dump_stack+0x34f/0x39d [ 441.053250] ? dump_stack_print_info.cold.1+0x20/0x20 [ 441.058454] ? mark_held_locks+0x130/0x130 [ 441.062692] ? mark_held_locks+0x130/0x130 [ 441.066954] dump_header+0x27b/0xf72 [ 441.070683] ? pagefault_out_of_memory+0x197/0x197 [ 441.075625] ? __lock_acquire+0x62f/0x4c20 [ 441.079869] ? percpu_ref_get_many+0x240/0x240 [ 441.084462] ? print_usage_bug+0xc0/0xc0 [ 441.088537] ? zap_class+0x640/0x640 [ 441.092258] ? print_usage_bug+0xc0/0xc0 [ 441.096323] ? print_usage_bug+0xc0/0xc0 [ 441.100393] ? zap_class+0x640/0x640 [ 441.104123] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.109672] ? find_held_lock+0x36/0x1c0 [ 441.113745] ? mark_held_locks+0xc7/0x130 [ 441.117902] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 441.123016] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 441.128134] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 441.132726] ? trace_hardirqs_on+0xbd/0x310 [ 441.137052] ? kasan_check_read+0x11/0x20 [ 441.141217] ? ___ratelimit+0x3b4/0x672 [ 441.145197] ? trace_hardirqs_off_caller+0x310/0x310 [ 441.150310] ? trace_hardirqs_on+0x310/0x310 [ 441.154731] ? lock_downgrade+0x900/0x900 [ 441.158890] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 441.164001] ? ___ratelimit+0x3b9/0x672 [ 441.167991] ? idr_get_free+0xf70/0xf70 [ 441.171971] ? find_held_lock+0x36/0x1c0 [ 441.176052] oom_kill_process.cold.27+0x10/0x903 [ 441.181333] ? zap_class+0x640/0x640 [ 441.185059] ? check_preemption_disabled+0x48/0x280 [ 441.190112] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 441.195068] ? kasan_check_read+0x11/0x20 [ 441.199222] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 441.204513] ? oom_evaluate_task+0x540/0x540 [ 441.208934] ? find_held_lock+0x36/0x1c0 [ 441.213008] ? out_of_memory+0x974/0x1430 [ 441.217172] ? lock_downgrade+0x900/0x900 [ 441.221331] ? check_preemption_disabled+0x48/0x280 [ 441.226363] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 441.231302] ? kasan_check_read+0x11/0x20 [ 441.235465] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 441.240748] ? rcu_softirq_qs+0x20/0x20 [ 441.244738] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 441.250285] ? oom_evaluate_task+0x302/0x540 [ 441.254706] out_of_memory+0xa84/0x1430 [ 441.258698] ? oom_killer_disable+0x3a0/0x3a0 [ 441.263204] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 441.268147] ? __ww_mutex_check_waiters+0x160/0x160 [ 441.273186] __alloc_pages_slowpath+0x232c/0x2de0 [ 441.278071] ? warn_alloc+0x120/0x120 [ 441.281879] ? mark_held_locks+0x130/0x130 [ 441.286127] ? find_get_entry+0xaae/0x1120 [ 441.290378] ? filemap_map_pages+0x1a20/0x1a20 [ 441.294971] ? zap_class+0x640/0x640 [ 441.298696] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.304243] ? check_preemption_disabled+0x48/0x280 [ 441.309275] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 441.314821] ? should_fail+0x22d/0xd01 [ 441.318717] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 441.323830] ? zap_class+0x640/0x640 [ 441.327572] ? __lock_is_held+0xb5/0x140 [ 441.331645] ? mark_held_locks+0x130/0x130 [ 441.335886] ? lock_release+0xa00/0xa00 [ 441.339864] ? perf_trace_sched_process_exec+0x860/0x860 [ 441.345323] ? xa_load+0x2ba/0x460 [ 441.348870] ? lock_downgrade+0x900/0x900 [ 441.353026] ? __might_sleep+0x95/0x190 [ 441.357010] __alloc_pages_nodemask+0xad8/0xea0 [ 441.361696] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 441.366721] ? __page_cache_alloc+0x191/0x5c0 [ 441.371224] ? xa_load+0x2e1/0x460 [ 441.374766] ? xa_clear_mark+0x40/0x40 [ 441.378661] ? zap_class+0x640/0x640 [ 441.382387] ? zap_class+0x640/0x640 [ 441.386108] ? zap_class+0x640/0x640 [ 441.389824] ? __do_page_cache_readahead+0x663/0x810 [ 441.394943] ? find_held_lock+0x36/0x1c0 [ 441.399015] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 441.404571] alloc_pages_current+0x173/0x350 [ 441.408995] __page_cache_alloc+0x38c/0x5c0 [ 441.413321] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 441.418263] ? kasan_check_read+0x11/0x20 [ 441.422422] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 441.427716] ? generic_perform_write+0x6a0/0x6a0 [ 441.432484] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 441.438034] ? check_preemption_disabled+0x48/0x280 [ 441.443084] filemap_fault+0x1595/0x25f0 [ 441.447176] ? __lock_page_or_retry+0xa00/0xa00 [ 441.451857] ? mark_held_locks+0x130/0x130 [ 441.456115] ? filemap_map_pages+0xd6b/0x1a20 [ 441.460620] ? lock_downgrade+0x900/0x900 [ 441.464780] ? check_preemption_disabled+0x48/0x280 [ 441.469810] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 441.474745] ? kasan_check_read+0x11/0x20 [ 441.478896] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 441.484179] ? rcu_softirq_qs+0x20/0x20 [ 441.488174] ? filemap_map_pages+0xd92/0x1a20 [ 441.492707] ? find_get_entries_tag+0x1400/0x1400 [ 441.497561] ? debug_object_destroy+0x2b0/0x2b0 [ 441.502240] ? lock_pi_update_atomic+0x150/0x150 [ 441.507002] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.512562] ? lock_acquire+0x1ed/0x520 [ 441.516554] ? ext4_filemap_fault+0x7a/0xad [ 441.520888] ? lock_release+0xa00/0xa00 [ 441.524864] ? perf_trace_sched_process_exec+0x860/0x860 [ 441.530327] ? print_usage_bug+0xc0/0xc0 [ 441.534397] ? print_usage_bug+0xc0/0xc0 [ 441.538480] ? down_read+0x8d/0x120 [ 441.542111] ? ext4_filemap_fault+0x7a/0xad [ 441.546449] ? __down_interruptible+0x700/0x700 [ 441.551141] ext4_filemap_fault+0x82/0xad [ 441.555302] __do_fault+0x100/0x6b0 [ 441.558932] ? find_held_lock+0x36/0x1c0 [ 441.563007] ? pmd_devmap_trans_unstable+0x220/0x220 [ 441.568119] ? mark_held_locks+0x130/0x130 [ 441.572364] ? mark_held_locks+0x130/0x130 [ 441.576610] ? debug_smp_processor_id+0x1c/0x20 [ 441.581283] ? perf_trace_lock+0x14d/0x7a0 [ 441.585533] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 441.591092] __handle_mm_fault+0x3ea0/0x5be0 [ 441.595519] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 441.600372] ? lock_is_held_type+0x210/0x210 [ 441.604793] ? __switch_to_asm+0x34/0x70 [ 441.608860] ? __switch_to_asm+0x34/0x70 [ 441.612943] ? zap_class+0x640/0x640 [ 441.616662] ? zap_class+0x640/0x640 [ 441.620378] ? __x64_sys_futex+0x53e/0x6a0 [ 441.624625] ? find_held_lock+0x36/0x1c0 [ 441.628701] ? handle_mm_fault+0x42a/0xc70 [ 441.632943] ? lock_downgrade+0x900/0x900 [ 441.637097] ? check_preemption_disabled+0x48/0x280 [ 441.642125] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 441.647073] ? kasan_check_read+0x11/0x20 [ 441.651229] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 441.656508] ? rcu_softirq_qs+0x20/0x20 [ 441.660484] ? trace_hardirqs_off_caller+0x310/0x310 [ 441.665598] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 441.671148] ? check_preemption_disabled+0x48/0x280 [ 441.676183] handle_mm_fault+0x54f/0xc70 [ 441.680281] ? __handle_mm_fault+0x5be0/0x5be0 [ 441.684873] ? find_vma+0x34/0x190 [ 441.688421] __do_page_fault+0x5e8/0xe60 [ 441.692495] ? trace_hardirqs_off+0xb8/0x310 [ 441.696922] do_page_fault+0xf2/0x7e0 [ 441.700727] ? vmalloc_sync_all+0x30/0x30 [ 441.704878] ? error_entry+0x70/0xd0 [ 441.708601] ? trace_hardirqs_off_caller+0xbb/0x310 [ 441.713619] ? trace_hardirqs_on_caller+0xc0/0x310 [ 441.718553] ? syscall_return_slowpath+0x5e0/0x5e0 [ 441.723485] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 441.728337] ? trace_hardirqs_on_caller+0x310/0x310 [ 441.733357] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 441.738819] ? prepare_exit_to_usermode+0x291/0x3b0 [ 441.743839] ? page_fault+0x8/0x30 [ 441.747390] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 441.752244] ? page_fault+0x8/0x30 [ 441.755790] page_fault+0x1e/0x30 [ 441.759245] RIP: 0033:0x45ddf3 [ 441.762457] Code: Bad RIP value. [ 441.765818] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 441.771182] RAX: ffffffffffffff92 RBX: 0000000028898d51 RCX: 000000000045ddf3 [ 441.778463] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014f1120 [ 441.785737] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 441.793019] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 441.800298] R13: 000000c42841fe60 R14: 0000000000000001 R15: 0000000000000000 [ 441.807604] warn_alloc_show_mem: 1 callbacks suppressed [ 441.807616] CPU: 1 PID: 16798 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #167 [ 441.807618] Mem-Info: [ 441.807650] active_anon:45985 inactive_anon:296 isolated_anon:0 [ 441.807650] active_file:15 inactive_file:8 isolated_file:0 [ 441.807650] unevictable:0 dirty:0 writeback:0 unstable:0 [ 441.807650] slab_reclaimable:9236 slab_unreclaimable:1461135 [ 441.807650] mapped:40979 shmem:353 pagetables:587 bounce:0 [ 441.807650] free:13771 free_pcp:249 free_cma:0 [ 441.812990] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 441.812999] Call Trace: [ 441.820386] Node 0 active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1412kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 441.822791] [ 441.855582] 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 [ 441.864963] dump_stack+0x244/0x39d [ 441.867522] lowmem_reserve[]: 0 2818 6321 6321 [ 441.895211] ? dump_stack_print_info.cold.1+0x20/0x20 [ 441.897339] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:404kB local_pcp:156kB free_cma:0kB [ 441.923484] warn_alloc.cold.116+0xb7/0x1bd [ 441.927086] lowmem_reserve[]: 0 0 3503 3503 [ 441.931682] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 441.936848] Node 0 Normal free:14000kB min:37364kB low:46704kB high:56044kB active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2348kB bounce:0kB free_pcp:592kB local_pcp:388kB free_cma:0kB [ 441.964379] ? lock_downgrade+0x900/0x900 [ 441.968677] lowmem_reserve[]: 0 0 0 0 [ 441.973007] ? trace_hardirqs_off+0xb8/0x310 [ 441.977823] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 442.006827] ? trace_hardirqs_off+0xb8/0x310 [ 442.010953] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 2*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 442.014761] __alloc_pages_slowpath+0x2651/0x2de0 [ 442.019139] Node 0 Normal: 794*4kB (MEH) 441*8kB (UMEH) 176*16kB (UME) 69*32kB (UMEH) 18*64kB (UM) 1*128kB (U) 2*256kB (U) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14032kB [ 442.032728] ? warn_alloc+0x120/0x120 [ 442.037124] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 442.052216] ? warn_alloc+0x120/0x120 [ 442.057046] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 442.072496] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 442.076276] 376 total pagecache pages [ 442.085122] ? warn_alloc+0x120/0x120 [ 442.088917] 0 pages in swap cache [ 442.097498] ? print_usage_bug+0xc0/0xc0 [ 442.102501] Swap cache stats: add 0, delete 0, find 0/0 [ 442.106308] ? print_usage_bug+0xc0/0xc0 [ 442.110089] Free swap = 0kB [ 442.113555] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 442.117589] Total swap = 0kB [ 442.122968] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 442.127000] 1965979 pages RAM [ 442.130024] ? should_fail+0x22d/0xd01 [ 442.135190] 0 pages HighMem/MovableOnly [ 442.138216] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 442.143731] 342854 pages reserved [ 442.146846] ? __lock_acquire+0x62f/0x4c20 [ 442.150701] 0 pages cma reserved [ 442.150774] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 442.154694] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 442.159886] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 442.163281] ? should_fail+0x22d/0xd01 [ 442.167505] syz-fuzzer cpuset=/ mems_allowed=0 [ 442.170890] ? mark_held_locks+0x130/0x130 [ 442.205407] ? mark_held_locks+0x130/0x130 [ 442.209705] ? print_usage_bug+0xc0/0xc0 [ 442.213791] ? find_held_lock+0x36/0x1c0 [ 442.217872] ? zap_class+0x640/0x640 [ 442.221616] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.227180] ? check_preemption_disabled+0x48/0x280 [ 442.232247] ? __lock_is_held+0xb5/0x140 [ 442.236341] __alloc_pages_nodemask+0xad8/0xea0 [ 442.241031] ? zap_class+0x640/0x640 [ 442.244786] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 442.249838] ? find_held_lock+0x36/0x1c0 [ 442.253931] ? ____cache_alloc_node+0x1c7/0x1e0 [ 442.258625] ? lock_downgrade+0x900/0x900 [ 442.262798] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.268361] cache_grow_begin+0xa5/0x8c0 [ 442.272444] ? do_raw_spin_unlock+0xa7/0x330 [ 442.276883] fallback_alloc+0x204/0x2e0 [ 442.280931] ____cache_alloc_node+0x1c7/0x1e0 [ 442.285473] kmem_cache_alloc_node+0xe3/0x730 [ 442.289990] ? mark_held_locks+0xc7/0x130 [ 442.294167] __alloc_skb+0x119/0x770 [ 442.297910] ? netdev_alloc_frag+0x1f0/0x1f0 [ 442.302345] ? do_raw_spin_trylock+0x270/0x270 [ 442.306959] ? kmem_cache_alloc_trace+0x353/0x750 [ 442.312344] ? queue_work_on+0x12c/0x1e0 [ 442.316435] ? switchdev_port_obj_del+0xe3/0x450 [ 442.321213] ? switchdev_trans_item_enqueue+0x260/0x260 [ 442.326609] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 442.331655] __br_mdb_notify+0x4ff/0x15d0 [ 442.335835] ? __br_mdb_add+0x7f0/0x7f0 [ 442.339838] ? zap_class+0x640/0x640 [ 442.343584] ? br_multicast_group_expired+0x96/0x610 [ 442.348705] ? lock_downgrade+0x900/0x900 [ 442.352874] br_mdb_notify+0x310/0x410 [ 442.356778] ? br_mdb_dump+0x27b0/0x27b0 [ 442.360859] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.366422] br_multicast_group_expired+0x1bc/0x610 [ 442.371465] ? br_mdb_free+0x80/0x80 [ 442.375209] call_timer_fn+0x272/0x920 [ 442.379122] ? br_mdb_free+0x80/0x80 [ 442.382848] ? process_timeout+0x40/0x40 [ 442.386934] ? __run_timers+0x7da/0xc70 [ 442.390929] ? _raw_spin_unlock_irq+0x27/0x80 [ 442.395440] ? _raw_spin_unlock_irq+0x27/0x80 [ 442.399958] ? br_mdb_free+0x80/0x80 [ 442.403691] ? lockdep_hardirqs_on+0x296/0x5b0 [ 442.408288] ? trace_hardirqs_on+0xbd/0x310 [ 442.412621] ? kasan_check_read+0x11/0x20 [ 442.416782] ? __run_timers+0x7da/0xc70 [ 442.420770] ? trace_hardirqs_off_caller+0x310/0x310 [ 442.425947] ? br_mdb_free+0x80/0x80 [ 442.429684] ? br_mdb_free+0x80/0x80 [ 442.433410] __run_timers+0x7e5/0xc70 [ 442.437235] ? timer_fixup_init+0x70/0x70 [ 442.441403] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 442.446441] ? zap_class+0x640/0x640 [ 442.450177] ? enqueue_hrtimer+0x1a5/0x560 [ 442.454428] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 442.459643] ? find_held_lock+0x36/0x1c0 [ 442.463726] ? zap_class+0x640/0x640 [ 442.467458] ? pvclock_read_flags+0x160/0x160 [ 442.471973] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.477527] ? check_preemption_disabled+0x48/0x280 [ 442.482567] ? __lock_is_held+0xb5/0x140 [ 442.486645] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.492202] ? check_preemption_disabled+0x48/0x280 [ 442.497244] run_timer_softirq+0x52/0xb0 [ 442.501423] ? rcu_read_lock_sched_held+0x14f/0x180 [ 442.506457] __do_softirq+0x308/0xb7e [ 442.510279] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 442.514788] ? lock_downgrade+0x900/0x900 [ 442.518960] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 442.524104] ? pvclock_read_flags+0x160/0x160 [ 442.528618] ? lapic_next_event+0x5a/0x90 [ 442.532785] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.538343] ? kvm_clock_read+0x18/0x30 [ 442.542337] ? kvm_sched_clock_read+0x9/0x20 [ 442.546770] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.552339] ? check_preemption_disabled+0x48/0x280 [ 442.557382] irq_exit+0x17f/0x1c0 [ 442.560852] smp_apic_timer_interrupt+0x1cb/0x760 [ 442.565712] ? smp_reschedule_interrupt+0x109/0x650 [ 442.570748] ? smp_call_function_single_interrupt+0x650/0x650 [ 442.576653] ? interrupt_entry+0xb5/0xc0 [ 442.580733] ? trace_hardirqs_off_caller+0xbb/0x310 [ 442.585764] ? trace_hardirqs_off_caller+0xbb/0x310 [ 442.590798] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 442.595662] ? trace_hardirqs_on_caller+0x310/0x310 [ 442.600696] ? trace_hardirqs_on_caller+0x310/0x310 [ 442.605734] ? task_prio+0x50/0x50 [ 442.609295] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.614849] ? check_preemption_disabled+0x48/0x280 [ 442.619889] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 442.624759] apic_timer_interrupt+0xf/0x20 [ 442.628999] [ 442.631251] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 442.636199] Code: 7e 0f 85 cf fe ff ff e8 66 cb 3d ff e9 c5 fe ff ff e8 0d 01 c3 ff 48 83 3d a5 49 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 42 f3 [ 442.655129] RSP: 0018:ffff888195497718 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 442.662865] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 442.670159] RDX: 0000000000000000 RSI: ffff8881d2488b40 RDI: 0000000000000282 [ 442.677449] RBP: ffff888195497780 R08: ffff8881d24882c0 R09: 0000000000000000 [ 442.684739] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 442.692030] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020 [ 442.699384] skb_clone+0x1bb/0x500 [ 442.702958] ? skb_split+0x11e0/0x11e0 [ 442.706867] ? check_preemption_disabled+0x48/0x280 [ 442.711911] ? __this_cpu_preempt_check+0x1c/0x20 [ 442.716777] ? __bpf_redirect+0x55b/0xb60 [ 442.720952] ? __switch_to_asm+0x34/0x70 [ 442.725034] ? __switch_to_asm+0x40/0x70 [ 442.729135] bpf_clone_redirect+0xb9/0x490 [ 442.733399] bpf_prog_3d1649e183dc2cc1+0xaf9/0x1000 [ 442.738440] ? __sched_text_start+0x8/0x8 [ 442.742619] ? find_held_lock+0x36/0x1c0 [ 442.746709] ? lock_acquire+0x1ed/0x520 [ 442.750697] ? bpf_test_run+0x3cb/0x780 [ 442.754687] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.760243] ? check_preemption_disabled+0x48/0x280 [ 442.765287] ? kasan_check_read+0x11/0x20 [ 442.769455] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 442.774756] ? rcu_softirq_qs+0x20/0x20 [ 442.778748] ? preempt_schedule+0x4d/0x60 [ 442.782912] ? ___preempt_schedule+0x16/0x18 [ 442.787478] ? bpf_test_run+0x25d/0x780 [ 442.791479] ? netlink_diag_dump+0x2a0/0x2a0 [ 442.795909] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 442.801469] ? bpf_test_init.isra.10+0x70/0x100 [ 442.806168] ? bpf_prog_test_run_skb+0x73b/0xd10 [ 442.811079] ? bpf_test_finish.isra.9+0x260/0x260 [ 442.815946] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 442.821503] ? fput+0x130/0x1a0 [ 442.824805] ? __bpf_prog_get+0x9b/0x290 [ 442.828887] ? bpf_test_finish.isra.9+0x260/0x260 [ 442.833750] ? bpf_prog_test_run+0x130/0x1a0 [ 442.838180] ? __x64_sys_bpf+0x3db/0x520 [ 442.842257] ? bpf_prog_get+0x20/0x20 [ 442.846113] ? do_syscall_64+0x1b9/0x820 [ 442.850192] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 442.855576] ? syscall_return_slowpath+0x5e0/0x5e0 [ 442.860521] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 442.865385] ? trace_hardirqs_on_caller+0x310/0x310 [ 442.870424] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 442.875462] ? prepare_exit_to_usermode+0x291/0x3b0 [ 442.880509] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 442.885378] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 442.890777] CPU: 0 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #167 [ 442.890951] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 442.897808] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 442.897818] Call Trace: [ 442.908316] syz-executor0 cpuset=syz0 mems_allowed=0 [ 442.917682] [ 442.927532] dump_stack+0x244/0x39d [ 442.931180] ? dump_stack_print_info.cold.1+0x20/0x20 [ 442.936400] warn_alloc.cold.116+0xb7/0x1bd [ 442.940742] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 442.945600] ? lock_downgrade+0x900/0x900 [ 442.949772] ? trace_hardirqs_off+0xb8/0x310 [ 442.954200] ? trace_hardirqs_off+0xb8/0x310 [ 442.958630] __alloc_pages_slowpath+0x2651/0x2de0 [ 442.963515] ? warn_alloc+0x120/0x120 [ 442.967335] ? print_usage_bug+0xc0/0xc0 [ 442.971406] ? warn_alloc+0x120/0x120 [ 442.975230] ? warn_alloc+0x120/0x120 [ 442.979048] ? print_usage_bug+0xc0/0xc0 [ 442.983144] ? kvm_clock_read+0x18/0x30 [ 442.987135] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 442.992175] ? print_usage_bug+0xc0/0xc0 [ 442.996253] ? __lock_acquire+0x62f/0x4c20 [ 443.000506] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 443.006081] ? should_fail+0x22d/0xd01 [ 443.009982] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 443.015277] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 443.020396] ? __lock_acquire+0x62f/0x4c20 [ 443.024661] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 443.029785] ? __lock_acquire+0x62f/0x4c20 [ 443.034110] ? should_fail+0x22d/0xd01 [ 443.038011] ? rcu_irq_exit+0x1a2/0x390 [ 443.042009] ? mark_held_locks+0x130/0x130 [ 443.046264] ? mark_held_locks+0x130/0x130 [ 443.050521] ? mark_held_locks+0xc7/0x130 [ 443.054684] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 443.059722] ? zap_class+0x640/0x640 [ 443.063454] ? print_usage_bug+0xc0/0xc0 [ 443.067539] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.073117] ? check_preemption_disabled+0x48/0x280 [ 443.078163] ? __lock_is_held+0xb5/0x140 [ 443.082248] __alloc_pages_nodemask+0xad8/0xea0 [ 443.086935] ? zap_class+0x640/0x640 [ 443.090672] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 443.095713] ? find_held_lock+0x36/0x1c0 [ 443.099799] ? ____cache_alloc_node+0x1c7/0x1e0 [ 443.104487] ? lock_downgrade+0x900/0x900 [ 443.108659] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.114220] cache_grow_begin+0xa5/0x8c0 [ 443.118298] ? do_raw_spin_unlock+0xa7/0x330 [ 443.122734] fallback_alloc+0x204/0x2e0 [ 443.126730] ____cache_alloc_node+0x1c7/0x1e0 [ 443.131248] kmem_cache_alloc_node+0xe3/0x730 [ 443.135760] ? ipv6_get_ifaddr+0x42e/0x620 [ 443.140017] __alloc_skb+0x119/0x770 [ 443.143745] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 443.149043] ? netdev_alloc_frag+0x1f0/0x1f0 [ 443.153487] ? lock_downgrade+0x900/0x900 [ 443.157657] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.163259] ? refcount_sub_and_test_checked+0x203/0x310 [ 443.168732] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 443.174200] ? addrconf_rs_timer+0x690/0x690 [ 443.178637] ndisc_alloc_skb+0x144/0x340 [ 443.183258] ndisc_send_rs+0x331/0x6e0 [ 443.187164] addrconf_rs_timer+0x314/0x690 [ 443.191414] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 443.195678] call_timer_fn+0x272/0x920 [ 443.199577] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 443.203828] ? process_timeout+0x40/0x40 [ 443.207911] ? mark_held_locks+0xc7/0x130 [ 443.212090] ? _raw_spin_unlock_irq+0x27/0x80 [ 443.216597] ? _raw_spin_unlock_irq+0x27/0x80 [ 443.221119] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 443.225367] ? lockdep_hardirqs_on+0x296/0x5b0 [ 443.229966] ? trace_hardirqs_on+0xbd/0x310 [ 443.234298] ? kasan_check_read+0x11/0x20 [ 443.238459] ? __run_timers+0x7da/0xc70 [ 443.242454] ? trace_hardirqs_off_caller+0x310/0x310 [ 443.247578] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 443.251834] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 443.256096] __run_timers+0x7e5/0xc70 [ 443.259921] ? timer_fixup_init+0x70/0x70 [ 443.264102] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 443.269135] ? zap_class+0x640/0x640 [ 443.272867] ? print_usage_bug+0xc0/0xc0 [ 443.276941] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 443.282155] ? find_held_lock+0x36/0x1c0 [ 443.286238] ? zap_class+0x640/0x640 [ 443.289974] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.295527] ? check_preemption_disabled+0x48/0x280 [ 443.300572] ? __lock_is_held+0xb5/0x140 [ 443.304649] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.310204] ? check_preemption_disabled+0x48/0x280 [ 443.315240] run_timer_softirq+0x52/0xb0 [ 443.319314] ? rcu_read_lock_sched_held+0x14f/0x180 [ 443.324348] __do_softirq+0x308/0xb7e [ 443.328167] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 443.332674] ? lock_downgrade+0x900/0x900 [ 443.336841] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 443.341963] ? pvclock_read_flags+0x160/0x160 [ 443.346473] ? lapic_next_event+0x5a/0x90 [ 443.350636] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.356198] ? kvm_clock_read+0x18/0x30 [ 443.360188] ? kvm_sched_clock_read+0x9/0x20 [ 443.364659] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 443.370213] ? check_preemption_disabled+0x48/0x280 [ 443.375252] irq_exit+0x17f/0x1c0 [ 443.378721] smp_apic_timer_interrupt+0x1cb/0x760 [ 443.383580] ? smp_reschedule_interrupt+0x109/0x650 [ 443.388616] ? smp_call_function_single_interrupt+0x650/0x650 [ 443.394516] ? interrupt_entry+0xb5/0xc0 [ 443.398589] ? trace_hardirqs_off_caller+0xbb/0x310 [ 443.403613] ? trace_hardirqs_off_caller+0xbb/0x310 [ 443.408643] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 443.413499] ? trace_hardirqs_on_caller+0x310/0x310 [ 443.418527] ? trace_hardirqs_on_caller+0x310/0x310 [ 443.423569] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 443.428439] apic_timer_interrupt+0xf/0x20 [ 443.432683] [ 443.434932] RIP: 0010:dump_stack+0x358/0x39d [ 443.439354] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 f1 36 ed f9 48 83 3d f9 27 7c 01 00 0f 84 63 fe ff ff e8 6e b7 a9 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b b7 a9 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 443.458276] RSP: 0000:ffff8881bb40e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 443.466008] RAX: ffff8881c2208180 RBX: 1ffffffff12a3f6e RCX: 1ffff1103844114e [ 443.473293] RDX: 0000000000000000 RSI: ffffffff87d5d382 RDI: 0000000000000293 [ 443.480577] RBP: ffff8881bb40e290 R08: ffff8881c2208a70 R09: 0000000000000006 [ 443.487861] R10: 0000000000000000 R11: ffff8881c2208180 R12: 1ffff11037681c45 [ 443.495149] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 443.502461] ? dump_stack+0x34f/0x39d [ 443.506290] ? dump_stack_print_info.cold.1+0x20/0x20 [ 443.511496] ? mark_held_locks+0x130/0x130 [ 443.515741] ? mark_held_locks+0x130/0x130 [ 443.519991] dump_header+0x27b/0xf72 [ 443.523731] ? pagefault_out_of_memory+0x197/0x197 [ 443.528684] ? __lock_acquire+0x62f/0x4c20 [ 443.532932] ? percpu_ref_get_many+0x240/0x240 [ 443.537528] ? print_usage_bug+0xc0/0xc0 [ 443.541606] ? zap_class+0x640/0x640 [ 443.545336] ? print_usage_bug+0xc0/0xc0 [ 443.549405] ? print_usage_bug+0xc0/0xc0 [ 443.553482] ? zap_class+0x640/0x640 [ 443.557212] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.562764] ? find_held_lock+0x36/0x1c0 [ 443.566846] ? mark_held_locks+0xc7/0x130 [ 443.571010] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 443.576125] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 443.581245] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 443.585842] ? trace_hardirqs_on+0xbd/0x310 [ 443.590179] ? kasan_check_read+0x11/0x20 [ 443.594341] ? ___ratelimit+0x3b4/0x672 [ 443.598326] ? trace_hardirqs_off_caller+0x310/0x310 [ 443.603446] ? trace_hardirqs_on+0x310/0x310 [ 443.607869] ? lock_downgrade+0x900/0x900 [ 443.612037] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 443.617177] ? ___ratelimit+0x3b9/0x672 [ 443.621166] ? idr_get_free+0xf70/0xf70 [ 443.625151] ? find_held_lock+0x36/0x1c0 [ 443.629235] oom_kill_process.cold.27+0x10/0x903 [ 443.634003] ? zap_class+0x640/0x640 [ 443.637728] ? check_preemption_disabled+0x48/0x280 [ 443.642759] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 443.647699] ? kasan_check_read+0x11/0x20 [ 443.651857] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 443.657152] ? oom_evaluate_task+0x540/0x540 [ 443.661577] ? find_held_lock+0x36/0x1c0 [ 443.665663] ? out_of_memory+0x974/0x1430 [ 443.669824] ? lock_downgrade+0x900/0x900 [ 443.673987] ? check_preemption_disabled+0x48/0x280 [ 443.679021] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 443.683970] ? kasan_check_read+0x11/0x20 [ 443.688138] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 443.693447] ? rcu_softirq_qs+0x20/0x20 [ 443.697464] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 443.703021] ? oom_evaluate_task+0x302/0x540 [ 443.707452] out_of_memory+0xa84/0x1430 [ 443.711455] ? oom_killer_disable+0x3a0/0x3a0 [ 443.715968] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 443.720916] ? __ww_mutex_check_waiters+0x160/0x160 [ 443.725963] __alloc_pages_slowpath+0x232c/0x2de0 [ 443.730848] ? warn_alloc+0x120/0x120 [ 443.734657] ? mark_held_locks+0x130/0x130 [ 443.738907] ? find_get_entry+0xaae/0x1120 [ 443.743163] ? filemap_map_pages+0x1a20/0x1a20 [ 443.747759] ? zap_class+0x640/0x640 [ 443.751494] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.757047] ? check_preemption_disabled+0x48/0x280 [ 443.762112] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 443.767666] ? should_fail+0x22d/0xd01 [ 443.771614] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 443.776736] ? zap_class+0x640/0x640 [ 443.780504] ? __lock_is_held+0xb5/0x140 [ 443.784583] ? mark_held_locks+0x130/0x130 [ 443.788831] ? lock_release+0xa00/0xa00 [ 443.792817] ? perf_trace_sched_process_exec+0x860/0x860 [ 443.798277] ? xa_load+0x2ba/0x460 [ 443.801828] ? lock_downgrade+0x900/0x900 [ 443.805994] ? __might_sleep+0x95/0x190 [ 443.809986] __alloc_pages_nodemask+0xad8/0xea0 [ 443.814676] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 443.819707] ? __page_cache_alloc+0x191/0x5c0 [ 443.824217] ? xa_load+0x2e1/0x460 [ 443.827767] ? xa_clear_mark+0x40/0x40 [ 443.831667] ? zap_class+0x640/0x640 [ 443.835399] ? zap_class+0x640/0x640 [ 443.839147] ? zap_class+0x640/0x640 [ 443.842878] ? __do_page_cache_readahead+0x663/0x810 [ 443.848003] ? find_held_lock+0x36/0x1c0 [ 443.852100] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 443.857661] alloc_pages_current+0x173/0x350 [ 443.862111] __page_cache_alloc+0x38c/0x5c0 [ 443.866451] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 443.871395] ? kasan_check_read+0x11/0x20 [ 443.875562] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 443.880854] ? generic_perform_write+0x6a0/0x6a0 [ 443.885625] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 443.891180] ? check_preemption_disabled+0x48/0x280 [ 443.896222] filemap_fault+0x1595/0x25f0 [ 443.900314] ? __lock_page_or_retry+0xa00/0xa00 [ 443.904999] ? mark_held_locks+0x130/0x130 [ 443.909261] ? filemap_map_pages+0xd6b/0x1a20 [ 443.913773] ? lock_downgrade+0x900/0x900 [ 443.917932] ? check_preemption_disabled+0x48/0x280 [ 443.922968] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 443.927907] ? kasan_check_read+0x11/0x20 [ 443.932085] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 443.937374] ? rcu_softirq_qs+0x20/0x20 [ 443.941374] ? filemap_map_pages+0xd92/0x1a20 [ 443.945892] ? find_get_entries_tag+0x1400/0x1400 [ 443.950753] ? debug_object_destroy+0x2b0/0x2b0 [ 443.955447] ? lock_pi_update_atomic+0x150/0x150 [ 443.960217] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.965780] ? lock_acquire+0x1ed/0x520 [ 443.969765] ? ext4_filemap_fault+0x7a/0xad [ 443.974122] ? lock_release+0xa00/0xa00 [ 443.978118] ? perf_trace_sched_process_exec+0x860/0x860 [ 443.983583] ? print_usage_bug+0xc0/0xc0 [ 443.987656] ? print_usage_bug+0xc0/0xc0 [ 443.991738] ? down_read+0x8d/0x120 [ 443.995373] ? ext4_filemap_fault+0x7a/0xad [ 443.999707] ? __down_interruptible+0x700/0x700 [ 444.004397] ext4_filemap_fault+0x82/0xad [ 444.008565] __do_fault+0x100/0x6b0 [ 444.012206] ? find_held_lock+0x36/0x1c0 [ 444.016288] ? pmd_devmap_trans_unstable+0x220/0x220 [ 444.021413] ? mark_held_locks+0x130/0x130 [ 444.025665] ? mark_held_locks+0x130/0x130 [ 444.029916] ? debug_smp_processor_id+0x1c/0x20 [ 444.034599] ? perf_trace_lock+0x14d/0x7a0 [ 444.038856] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 444.044417] __handle_mm_fault+0x3ea0/0x5be0 [ 444.048853] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 444.053709] ? lock_is_held_type+0x210/0x210 [ 444.058138] ? __switch_to_asm+0x34/0x70 [ 444.062214] ? __switch_to_asm+0x34/0x70 [ 444.066301] ? zap_class+0x640/0x640 [ 444.070022] ? zap_class+0x640/0x640 [ 444.073746] ? __x64_sys_futex+0x53e/0x6a0 [ 444.078000] ? find_held_lock+0x36/0x1c0 [ 444.082100] ? handle_mm_fault+0x42a/0xc70 [ 444.086353] ? lock_downgrade+0x900/0x900 [ 444.090512] ? check_preemption_disabled+0x48/0x280 [ 444.095541] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 444.100486] ? kasan_check_read+0x11/0x20 [ 444.104645] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 444.109934] ? rcu_softirq_qs+0x20/0x20 [ 444.113921] ? trace_hardirqs_off_caller+0x310/0x310 [ 444.119038] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 444.124608] ? check_preemption_disabled+0x48/0x280 [ 444.129650] handle_mm_fault+0x54f/0xc70 [ 444.133729] ? __handle_mm_fault+0x5be0/0x5be0 [ 444.138328] ? find_vma+0x34/0x190 [ 444.141888] __do_page_fault+0x5e8/0xe60 [ 444.145964] ? trace_hardirqs_off+0xb8/0x310 [ 444.150399] do_page_fault+0xf2/0x7e0 [ 444.154215] ? vmalloc_sync_all+0x30/0x30 [ 444.158376] ? error_entry+0x70/0xd0 [ 444.162121] ? trace_hardirqs_off_caller+0xbb/0x310 [ 444.167148] ? trace_hardirqs_on_caller+0xc0/0x310 [ 444.172109] ? syscall_return_slowpath+0x5e0/0x5e0 [ 444.177047] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 444.181925] ? trace_hardirqs_on_caller+0x310/0x310 [ 444.186952] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 444.192425] ? prepare_exit_to_usermode+0x291/0x3b0 [ 444.197468] ? page_fault+0x8/0x30 [ 444.201025] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 444.205881] ? page_fault+0x8/0x30 [ 444.209444] page_fault+0x1e/0x30 [ 444.212904] RIP: 0033:0x45ddf3 [ 444.216125] Code: Bad RIP value. [ 444.219540] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 444.224917] RAX: ffffffffffffff92 RBX: 0000000028898d51 RCX: 000000000045ddf3 [ 444.232200] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014f1120 [ 444.239481] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 444.246761] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 444.254043] R13: 000000c42841fe60 R14: 0000000000000001 R15: 0000000000000000 [ 444.261364] warn_alloc_show_mem: 1 callbacks suppressed [ 444.261377] CPU: 1 PID: 16798 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #167 [ 444.261378] Mem-Info: [ 444.261409] active_anon:45985 inactive_anon:296 isolated_anon:0 [ 444.261409] active_file:15 inactive_file:8 isolated_file:0 [ 444.261409] unevictable:0 dirty:0 writeback:0 unstable:0 [ 444.261409] slab_reclaimable:9236 slab_unreclaimable:1461135 [ 444.261409] mapped:40979 shmem:353 pagetables:587 bounce:0 [ 444.261409] free:13771 free_pcp:249 free_cma:0 [ 444.266761] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 444.274152] Node 0 active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1412kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 444.276569] Call Trace: [ 444.309369] 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 [ 444.318740] [ 444.346412] lowmem_reserve[]: 0 2818 6321 6321 [ 444.349031] dump_stack+0x244/0x39d [ 444.375181] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:404kB local_pcp:156kB free_cma:0kB [ 444.377355] ? dump_stack_print_info.cold.1+0x20/0x20 [ 444.381917] lowmem_reserve[]: 0 0 3503 3503 [ 444.385566] warn_alloc.cold.116+0xb7/0x1bd [ 444.413112] Node 0 Normal free:14000kB min:37364kB low:46704kB high:56044kB active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2348kB bounce:0kB free_pcp:592kB local_pcp:388kB free_cma:0kB [ 444.418323] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 444.422618] lowmem_reserve[]: 0 0 0 0 [ 444.426963] ? lock_downgrade+0x900/0x900 [ 444.455974] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 444.460836] ? trace_hardirqs_off+0xb8/0x310 [ 444.464621] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 2*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 444.468786] ? trace_hardirqs_off+0xb8/0x310 [ 444.482304] Node 0 Normal: 794*4kB (MEH) 441*8kB (UMEH) 176*16kB (UME) 69*32kB (UMEH) 18*64kB (UM) 1*128kB (U) 2*256kB (U) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14032kB [ 444.486731] __alloc_pages_slowpath+0x2651/0x2de0 [ 444.501853] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 444.506293] ? warn_alloc+0x120/0x120 [ 444.521707] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 444.526563] ? warn_alloc+0x120/0x120 [ 444.535391] 376 total pagecache pages [ 444.539203] ? warn_alloc+0x120/0x120 [ 444.547772] 0 pages in swap cache [ 444.551585] ? print_usage_bug+0xc0/0xc0 [ 444.555368] Swap cache stats: add 0, delete 0, find 0/0 [ 444.559177] ? print_usage_bug+0xc0/0xc0 [ 444.562616] Free swap = 0kB [ 444.566687] ? mark_held_locks+0x130/0x130 [ 444.572026] Total swap = 0kB [ 444.572034] 1965979 pages RAM [ 444.576124] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 444.579117] 0 pages HighMem/MovableOnly [ 444.579126] 342854 pages reserved [ 444.583371] ? should_fail+0x22d/0xd01 [ 444.586369] 0 pages cma reserved [ 444.589485] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 444.595083] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 444.598981] ? __lock_acquire+0x62f/0x4c20 [ 444.599001] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 444.599017] ? should_fail+0x22d/0xd01 [ 444.602534] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 444.606365] ? mark_held_locks+0x130/0x130 [ 444.609710] syz-fuzzer cpuset=/ mems_allowed=0 [ 444.614824] ? mark_held_locks+0x130/0x130 [ 444.657802] ? print_usage_bug+0xc0/0xc0 [ 444.661896] ? find_held_lock+0x36/0x1c0 [ 444.665983] ? zap_class+0x640/0x640 [ 444.669722] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.675281] ? check_preemption_disabled+0x48/0x280 [ 444.680327] ? __lock_is_held+0xb5/0x140 [ 444.684417] __alloc_pages_nodemask+0xad8/0xea0 [ 444.689120] ? zap_class+0x640/0x640 [ 444.693088] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 444.698136] ? find_held_lock+0x36/0x1c0 [ 444.702225] ? ____cache_alloc_node+0x1c7/0x1e0 [ 444.706909] ? lock_downgrade+0x900/0x900 [ 444.711106] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.716670] cache_grow_begin+0xa5/0x8c0 [ 444.720750] ? do_raw_spin_unlock+0xa7/0x330 [ 444.725187] fallback_alloc+0x204/0x2e0 [ 444.729187] ____cache_alloc_node+0x1c7/0x1e0 [ 444.733704] kmem_cache_alloc_node+0xe3/0x730 [ 444.738216] ? mark_held_locks+0xc7/0x130 [ 444.742393] __alloc_skb+0x119/0x770 [ 444.746129] ? netdev_alloc_frag+0x1f0/0x1f0 [ 444.750555] ? do_raw_spin_trylock+0x270/0x270 [ 444.755158] ? kmem_cache_alloc_trace+0x353/0x750 [ 444.760025] ? queue_work_on+0x12c/0x1e0 [ 444.764125] ? switchdev_port_obj_del+0xe3/0x450 [ 444.768897] ? switchdev_trans_item_enqueue+0x260/0x260 [ 444.774289] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 444.779330] __br_mdb_notify+0x4ff/0x15d0 [ 444.783507] ? __br_mdb_add+0x7f0/0x7f0 [ 444.787512] ? zap_class+0x640/0x640 [ 444.791258] ? br_multicast_group_expired+0x96/0x610 [ 444.796381] ? lock_downgrade+0x900/0x900 [ 444.800554] br_mdb_notify+0x310/0x410 [ 444.804460] ? br_mdb_dump+0x27b0/0x27b0 [ 444.808548] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.814129] br_multicast_group_expired+0x1bc/0x610 [ 444.819172] ? br_mdb_free+0x80/0x80 [ 444.822917] call_timer_fn+0x272/0x920 [ 444.826825] ? br_mdb_free+0x80/0x80 [ 444.830555] ? process_timeout+0x40/0x40 [ 444.834637] ? __run_timers+0x7da/0xc70 [ 444.838631] ? _raw_spin_unlock_irq+0x27/0x80 [ 444.843144] ? _raw_spin_unlock_irq+0x27/0x80 [ 444.847654] ? br_mdb_free+0x80/0x80 [ 444.851386] ? lockdep_hardirqs_on+0x296/0x5b0 [ 444.855986] ? trace_hardirqs_on+0xbd/0x310 [ 444.860324] ? kasan_check_read+0x11/0x20 [ 444.864497] ? __run_timers+0x7da/0xc70 [ 444.868487] ? trace_hardirqs_off_caller+0x310/0x310 [ 444.873613] ? br_mdb_free+0x80/0x80 [ 444.877348] ? br_mdb_free+0x80/0x80 [ 444.881097] __run_timers+0x7e5/0xc70 [ 444.884922] ? timer_fixup_init+0x70/0x70 [ 444.889105] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 444.894141] ? zap_class+0x640/0x640 [ 444.897877] ? enqueue_hrtimer+0x1a5/0x560 [ 444.902131] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 444.907350] ? find_held_lock+0x36/0x1c0 [ 444.911432] ? zap_class+0x640/0x640 [ 444.915164] ? pvclock_read_flags+0x160/0x160 [ 444.919677] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.925234] ? check_preemption_disabled+0x48/0x280 [ 444.930282] ? __lock_is_held+0xb5/0x140 [ 444.934365] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.939921] ? check_preemption_disabled+0x48/0x280 [ 444.944971] run_timer_softirq+0x52/0xb0 [ 444.949050] ? rcu_read_lock_sched_held+0x14f/0x180 [ 444.954121] __do_softirq+0x308/0xb7e [ 444.957949] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 444.962459] ? lock_downgrade+0x900/0x900 [ 444.966632] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 444.971761] ? pvclock_read_flags+0x160/0x160 [ 444.976275] ? lapic_next_event+0x5a/0x90 [ 444.980441] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.986004] ? kvm_clock_read+0x18/0x30 [ 444.989996] ? kvm_sched_clock_read+0x9/0x20 [ 444.994423] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.000093] ? check_preemption_disabled+0x48/0x280 [ 445.005139] irq_exit+0x17f/0x1c0 [ 445.008613] smp_apic_timer_interrupt+0x1cb/0x760 [ 445.013470] ? smp_reschedule_interrupt+0x109/0x650 [ 445.018503] ? smp_call_function_single_interrupt+0x650/0x650 [ 445.024406] ? interrupt_entry+0xb5/0xc0 [ 445.028488] ? trace_hardirqs_off_caller+0xbb/0x310 [ 445.033521] ? trace_hardirqs_off_caller+0xbb/0x310 [ 445.038562] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 445.043424] ? trace_hardirqs_on_caller+0x310/0x310 [ 445.048458] ? trace_hardirqs_on_caller+0x310/0x310 [ 445.053490] ? task_prio+0x50/0x50 [ 445.057047] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.062624] ? check_preemption_disabled+0x48/0x280 [ 445.067661] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 445.072535] apic_timer_interrupt+0xf/0x20 [ 445.076777] [ 445.079034] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 445.083995] Code: 7e 0f 85 cf fe ff ff e8 66 cb 3d ff e9 c5 fe ff ff e8 0d 01 c3 ff 48 83 3d a5 49 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 42 f3 [ 445.102920] RSP: 0018:ffff888195497718 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 445.110653] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 445.117944] RDX: 0000000000000000 RSI: ffff8881d2488b40 RDI: 0000000000000282 [ 445.125232] RBP: ffff888195497780 R08: ffff8881d24882c0 R09: 0000000000000000 [ 445.132520] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 445.139805] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020 [ 445.147153] skb_clone+0x1bb/0x500 [ 445.150719] ? skb_split+0x11e0/0x11e0 [ 445.154631] ? check_preemption_disabled+0x48/0x280 [ 445.159672] ? __this_cpu_preempt_check+0x1c/0x20 [ 445.164549] ? __bpf_redirect+0x55b/0xb60 [ 445.168733] ? __switch_to_asm+0x34/0x70 [ 445.172811] ? __switch_to_asm+0x40/0x70 [ 445.176894] bpf_clone_redirect+0xb9/0x490 [ 445.181424] bpf_prog_3d1649e183dc2cc1+0xaf9/0x1000 [ 445.186468] ? __sched_text_start+0x8/0x8 [ 445.190646] ? find_held_lock+0x36/0x1c0 [ 445.194731] ? lock_acquire+0x1ed/0x520 [ 445.198723] ? bpf_test_run+0x3cb/0x780 [ 445.202711] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.208266] ? check_preemption_disabled+0x48/0x280 [ 445.213305] ? kasan_check_read+0x11/0x20 [ 445.217469] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 445.222758] ? rcu_softirq_qs+0x20/0x20 [ 445.226754] ? preempt_schedule+0x4d/0x60 [ 445.230916] ? ___preempt_schedule+0x16/0x18 [ 445.235356] ? bpf_test_run+0x25d/0x780 [ 445.239356] ? netlink_diag_dump+0x2a0/0x2a0 [ 445.243800] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 445.249357] ? bpf_test_init.isra.10+0x70/0x100 [ 445.254054] ? bpf_prog_test_run_skb+0x73b/0xd10 [ 445.258853] ? bpf_test_finish.isra.9+0x260/0x260 [ 445.263710] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 445.269265] ? fput+0x130/0x1a0 [ 445.272565] ? __bpf_prog_get+0x9b/0x290 [ 445.276645] ? bpf_test_finish.isra.9+0x260/0x260 [ 445.281513] ? bpf_prog_test_run+0x130/0x1a0 [ 445.285961] ? __x64_sys_bpf+0x3db/0x520 [ 445.290039] ? bpf_prog_get+0x20/0x20 [ 445.293893] ? do_syscall_64+0x1b9/0x820 [ 445.297976] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 445.303361] ? syscall_return_slowpath+0x5e0/0x5e0 [ 445.308304] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 445.313167] ? trace_hardirqs_on_caller+0x310/0x310 [ 445.318208] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 445.323244] ? prepare_exit_to_usermode+0x291/0x3b0 [ 445.328287] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 445.333157] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 445.338559] CPU: 0 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #167 [ 445.338719] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 445.345598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 445.356106] syz-executor0 cpuset=syz0 mems_allowed=0 [ 445.365470] Call Trace: [ 445.373161] [ 445.375334] dump_stack+0x244/0x39d [ 445.378976] ? dump_stack_print_info.cold.1+0x20/0x20 [ 445.384193] warn_alloc.cold.116+0xb7/0x1bd [ 445.388531] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 445.393393] ? lock_downgrade+0x900/0x900 [ 445.397561] ? trace_hardirqs_off+0xb8/0x310 [ 445.401987] ? trace_hardirqs_off+0xb8/0x310 [ 445.406415] __alloc_pages_slowpath+0x2651/0x2de0 [ 445.411302] ? warn_alloc+0x120/0x120 [ 445.415141] ? print_usage_bug+0xc0/0xc0 [ 445.419215] ? warn_alloc+0x120/0x120 [ 445.423029] ? warn_alloc+0x120/0x120 [ 445.426845] ? print_usage_bug+0xc0/0xc0 [ 445.430922] ? print_usage_bug+0xc0/0xc0 [ 445.435000] ? __lock_acquire+0x62f/0x4c20 [ 445.439253] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 445.444802] ? should_fail+0x22d/0xd01 [ 445.448712] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 445.453832] ? __lock_acquire+0x62f/0x4c20 [ 445.458103] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 445.463221] ? __lock_acquire+0x62f/0x4c20 [ 445.467467] ? should_fail+0x22d/0xd01 [ 445.471365] ? find_held_lock+0x36/0x1c0 [ 445.475451] ? mark_held_locks+0x130/0x130 [ 445.479702] ? mark_held_locks+0x130/0x130 [ 445.483947] ? try_to_wake_up+0x11c/0x1490 [ 445.488198] ? lock_downgrade+0x900/0x900 [ 445.492363] ? zap_class+0x640/0x640 [ 445.496106] ? print_usage_bug+0xc0/0xc0 [ 445.500180] ? trace_hardirqs_off+0xb8/0x310 [ 445.504598] ? kasan_check_read+0x11/0x20 [ 445.508766] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.514324] ? check_preemption_disabled+0x48/0x280 [ 445.519365] ? __lock_is_held+0xb5/0x140 [ 445.523454] __alloc_pages_nodemask+0xad8/0xea0 [ 445.528140] ? zap_class+0x640/0x640 [ 445.531870] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 445.536913] ? find_held_lock+0x36/0x1c0 [ 445.541000] ? ____cache_alloc_node+0x1c7/0x1e0 [ 445.545688] ? lock_downgrade+0x900/0x900 [ 445.549858] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.555417] cache_grow_begin+0xa5/0x8c0 [ 445.559497] ? do_raw_spin_unlock+0xa7/0x330 [ 445.563924] fallback_alloc+0x204/0x2e0 [ 445.567918] ____cache_alloc_node+0x1c7/0x1e0 [ 445.572437] kmem_cache_alloc_node+0xe3/0x730 [ 445.576947] ? ipv6_get_ifaddr+0x42e/0x620 [ 445.581203] __alloc_skb+0x119/0x770 [ 445.584925] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 445.590223] ? netdev_alloc_frag+0x1f0/0x1f0 [ 445.594648] ? lock_downgrade+0x900/0x900 [ 445.598818] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.604367] ? refcount_sub_and_test_checked+0x203/0x310 [ 445.609835] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 445.615316] ? addrconf_rs_timer+0x690/0x690 [ 445.619750] ndisc_alloc_skb+0x144/0x340 [ 445.623830] ndisc_send_rs+0x331/0x6e0 [ 445.627737] addrconf_rs_timer+0x314/0x690 [ 445.631992] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 445.636251] call_timer_fn+0x272/0x920 [ 445.640154] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 445.644400] ? process_timeout+0x40/0x40 [ 445.648485] ? mark_held_locks+0xc7/0x130 [ 445.652648] ? _raw_spin_unlock_irq+0x27/0x80 [ 445.657159] ? _raw_spin_unlock_irq+0x27/0x80 [ 445.661669] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 445.665917] ? lockdep_hardirqs_on+0x296/0x5b0 [ 445.670517] ? trace_hardirqs_on+0xbd/0x310 [ 445.674849] ? kasan_check_read+0x11/0x20 [ 445.679006] ? __run_timers+0x7da/0xc70 [ 445.682996] ? trace_hardirqs_off_caller+0x310/0x310 [ 445.688125] ? __queue_work+0x1440/0x1440 [ 445.692292] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 445.696538] __run_timers+0x7e5/0xc70 [ 445.700361] ? timer_fixup_init+0x70/0x70 [ 445.704524] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 445.709557] ? zap_class+0x640/0x640 [ 445.713288] ? print_usage_bug+0xc0/0xc0 [ 445.717365] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 445.722575] ? find_held_lock+0x36/0x1c0 [ 445.726651] ? zap_class+0x640/0x640 [ 445.730384] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.735935] ? check_preemption_disabled+0x48/0x280 [ 445.740973] ? __lock_is_held+0xb5/0x140 [ 445.745047] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.750616] ? check_preemption_disabled+0x48/0x280 [ 445.755648] run_timer_softirq+0x52/0xb0 [ 445.759723] ? rcu_read_lock_sched_held+0x14f/0x180 [ 445.764765] __do_softirq+0x308/0xb7e [ 445.768576] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 445.773098] ? lock_downgrade+0x900/0x900 [ 445.777267] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 445.782388] ? pvclock_read_flags+0x160/0x160 [ 445.786901] ? lapic_next_event+0x5a/0x90 [ 445.791061] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.796638] ? kvm_clock_read+0x18/0x30 [ 445.800634] ? kvm_sched_clock_read+0x9/0x20 [ 445.805052] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 445.810618] ? check_preemption_disabled+0x48/0x280 [ 445.815656] irq_exit+0x17f/0x1c0 [ 445.819121] smp_apic_timer_interrupt+0x1cb/0x760 [ 445.823974] ? smp_reschedule_interrupt+0x109/0x650 [ 445.829000] ? smp_call_function_single_interrupt+0x650/0x650 [ 445.834892] ? interrupt_entry+0xb5/0xc0 [ 445.838966] ? trace_hardirqs_off_caller+0xbb/0x310 [ 445.843991] ? trace_hardirqs_off_caller+0xbb/0x310 [ 445.849019] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 445.853870] ? trace_hardirqs_on_caller+0x310/0x310 [ 445.858893] ? trace_hardirqs_on_caller+0x310/0x310 [ 445.863928] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 445.868793] apic_timer_interrupt+0xf/0x20 [ 445.873027] [ 445.875283] RIP: 0010:dump_stack+0x358/0x39d [ 445.879705] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 f1 36 ed f9 48 83 3d f9 27 7c 01 00 0f 84 63 fe ff ff e8 6e b7 a9 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b b7 a9 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 445.898612] RSP: 0000:ffff8881bb40e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 445.906326] RAX: ffff8881c2208180 RBX: 1ffffffff12a3f6e RCX: 1ffff1103844114e [ 445.913600] RDX: 0000000000000000 RSI: ffffffff87d5d382 RDI: 0000000000000293 [ 445.920875] RBP: ffff8881bb40e290 R08: ffff8881c2208a70 R09: 0000000000000006 [ 445.928150] R10: 0000000000000000 R11: ffff8881c2208180 R12: 1ffff11037681c45 [ 445.935434] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 445.942735] ? dump_stack+0x34f/0x39d [ 445.946562] ? dump_stack_print_info.cold.1+0x20/0x20 [ 445.951767] ? mark_held_locks+0x130/0x130 [ 445.956011] ? mark_held_locks+0x130/0x130 [ 445.960259] dump_header+0x27b/0xf72 [ 445.963993] ? pagefault_out_of_memory+0x197/0x197 [ 445.968939] ? __lock_acquire+0x62f/0x4c20 [ 445.973184] ? percpu_ref_get_many+0x240/0x240 [ 445.977780] ? print_usage_bug+0xc0/0xc0 [ 445.981861] ? zap_class+0x640/0x640 [ 445.985588] ? print_usage_bug+0xc0/0xc0 [ 445.989661] ? print_usage_bug+0xc0/0xc0 [ 445.993732] ? zap_class+0x640/0x640 [ 445.997471] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 446.003020] ? find_held_lock+0x36/0x1c0 [ 446.007114] ? mark_held_locks+0xc7/0x130 [ 446.011275] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 446.016385] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 446.021499] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 446.026106] ? trace_hardirqs_on+0xbd/0x310 [ 446.030442] ? kasan_check_read+0x11/0x20 [ 446.034599] ? ___ratelimit+0x3b4/0x672 [ 446.038582] ? trace_hardirqs_off_caller+0x310/0x310 [ 446.043694] ? trace_hardirqs_on+0x310/0x310 [ 446.048137] ? lock_downgrade+0x900/0x900 [ 446.052300] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 446.057415] ? ___ratelimit+0x3b9/0x672 [ 446.061405] ? idr_get_free+0xf70/0xf70 [ 446.065389] ? find_held_lock+0x36/0x1c0 [ 446.069470] oom_kill_process.cold.27+0x10/0x903 [ 446.074238] ? zap_class+0x640/0x640 [ 446.077966] ? check_preemption_disabled+0x48/0x280 [ 446.082998] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 446.087936] ? kasan_check_read+0x11/0x20 [ 446.092114] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 446.097400] ? oom_evaluate_task+0x540/0x540 [ 446.101826] ? find_held_lock+0x36/0x1c0 [ 446.105906] ? out_of_memory+0x974/0x1430 [ 446.110084] ? lock_downgrade+0x900/0x900 [ 446.114247] ? check_preemption_disabled+0x48/0x280 [ 446.119276] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 446.124215] ? kasan_check_read+0x11/0x20 [ 446.128372] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 446.133657] ? rcu_softirq_qs+0x20/0x20 [ 446.137644] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 446.143189] ? oom_evaluate_task+0x302/0x540 [ 446.147608] out_of_memory+0xa84/0x1430 [ 446.151687] ? oom_killer_disable+0x3a0/0x3a0 [ 446.156191] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 446.161138] ? __ww_mutex_check_waiters+0x160/0x160 [ 446.166178] __alloc_pages_slowpath+0x232c/0x2de0 [ 446.171057] ? warn_alloc+0x120/0x120 [ 446.174885] ? mark_held_locks+0x130/0x130 [ 446.179137] ? find_get_entry+0xaae/0x1120 [ 446.183393] ? filemap_map_pages+0x1a20/0x1a20 [ 446.187991] ? zap_class+0x640/0x640 [ 446.191718] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 446.197272] ? check_preemption_disabled+0x48/0x280 [ 446.202296] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 446.207841] ? should_fail+0x22d/0xd01 [ 446.211742] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 446.216857] ? zap_class+0x640/0x640 [ 446.220606] ? __lock_is_held+0xb5/0x140 [ 446.224683] ? mark_held_locks+0x130/0x130 [ 446.228933] ? lock_release+0xa00/0xa00 [ 446.232919] ? perf_trace_sched_process_exec+0x860/0x860 [ 446.238377] ? xa_load+0x2ba/0x460 [ 446.241929] ? lock_downgrade+0x900/0x900 [ 446.246113] ? __might_sleep+0x95/0x190 [ 446.250123] __alloc_pages_nodemask+0xad8/0xea0 [ 446.254812] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 446.259840] ? __page_cache_alloc+0x191/0x5c0 [ 446.264345] ? xa_load+0x2e1/0x460 [ 446.267895] ? xa_clear_mark+0x40/0x40 [ 446.271791] ? zap_class+0x640/0x640 [ 446.275523] ? zap_class+0x640/0x640 [ 446.279249] ? zap_class+0x640/0x640 [ 446.282976] ? __do_page_cache_readahead+0x663/0x810 [ 446.288108] ? find_held_lock+0x36/0x1c0 [ 446.292189] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 446.297746] alloc_pages_current+0x173/0x350 [ 446.302172] __page_cache_alloc+0x38c/0x5c0 [ 446.306504] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 446.311654] ? kasan_check_read+0x11/0x20 [ 446.315810] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 446.321119] ? generic_perform_write+0x6a0/0x6a0 [ 446.325889] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 446.331442] ? check_preemption_disabled+0x48/0x280 [ 446.336490] filemap_fault+0x1595/0x25f0 [ 446.340574] ? __lock_page_or_retry+0xa00/0xa00 [ 446.345257] ? mark_held_locks+0x130/0x130 [ 446.349510] ? filemap_map_pages+0xd6b/0x1a20 [ 446.354020] ? lock_downgrade+0x900/0x900 [ 446.358179] ? check_preemption_disabled+0x48/0x280 [ 446.363210] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 446.368157] ? kasan_check_read+0x11/0x20 [ 446.372314] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 446.377601] ? rcu_softirq_qs+0x20/0x20 [ 446.381598] ? filemap_map_pages+0xd92/0x1a20 [ 446.386129] ? find_get_entries_tag+0x1400/0x1400 [ 446.390987] ? debug_object_destroy+0x2b0/0x2b0 [ 446.395675] ? lock_pi_update_atomic+0x150/0x150 [ 446.400445] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 446.406011] ? lock_acquire+0x1ed/0x520 [ 446.410041] ? ext4_filemap_fault+0x7a/0xad [ 446.414396] ? lock_release+0xa00/0xa00 [ 446.418381] ? perf_trace_sched_process_exec+0x860/0x860 [ 446.423840] ? print_usage_bug+0xc0/0xc0 [ 446.427911] ? print_usage_bug+0xc0/0xc0 [ 446.431993] ? down_read+0x8d/0x120 [ 446.435626] ? ext4_filemap_fault+0x7a/0xad [ 446.439957] ? __down_interruptible+0x700/0x700 [ 446.444646] ext4_filemap_fault+0x82/0xad [ 446.448807] __do_fault+0x100/0x6b0 [ 446.452451] ? find_held_lock+0x36/0x1c0 [ 446.456528] ? pmd_devmap_trans_unstable+0x220/0x220 [ 446.461642] ? mark_held_locks+0x130/0x130 [ 446.465887] ? mark_held_locks+0x130/0x130 [ 446.470139] ? debug_smp_processor_id+0x1c/0x20 [ 446.474818] ? perf_trace_lock+0x14d/0x7a0 [ 446.479090] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 446.484646] __handle_mm_fault+0x3ea0/0x5be0 [ 446.489093] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 446.493952] ? lock_is_held_type+0x210/0x210 [ 446.498377] ? __switch_to_asm+0x34/0x70 [ 446.502449] ? __switch_to_asm+0x34/0x70 [ 446.506534] ? zap_class+0x640/0x640 [ 446.510255] ? zap_class+0x640/0x640 [ 446.513976] ? __x64_sys_futex+0x53e/0x6a0 [ 446.518226] ? find_held_lock+0x36/0x1c0 [ 446.522311] ? handle_mm_fault+0x42a/0xc70 [ 446.526559] ? lock_downgrade+0x900/0x900 [ 446.530716] ? check_preemption_disabled+0x48/0x280 [ 446.535743] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 446.540685] ? kasan_check_read+0x11/0x20 [ 446.544845] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 446.550132] ? rcu_softirq_qs+0x20/0x20 [ 446.554123] ? trace_hardirqs_off_caller+0x310/0x310 [ 446.559239] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 446.564789] ? check_preemption_disabled+0x48/0x280 [ 446.569820] handle_mm_fault+0x54f/0xc70 [ 446.573899] ? __handle_mm_fault+0x5be0/0x5be0 [ 446.578497] ? find_vma+0x34/0x190 [ 446.582051] __do_page_fault+0x5e8/0xe60 [ 446.586142] ? trace_hardirqs_off+0xb8/0x310 [ 446.590570] do_page_fault+0xf2/0x7e0 [ 446.594383] ? vmalloc_sync_all+0x30/0x30 [ 446.598545] ? error_entry+0x70/0xd0 [ 446.602270] ? trace_hardirqs_off_caller+0xbb/0x310 [ 446.607299] ? trace_hardirqs_on_caller+0xc0/0x310 [ 446.612280] ? syscall_return_slowpath+0x5e0/0x5e0 [ 446.617218] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 446.622089] ? trace_hardirqs_on_caller+0x310/0x310 [ 446.627123] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 446.632585] ? prepare_exit_to_usermode+0x291/0x3b0 [ 446.637614] ? page_fault+0x8/0x30 [ 446.641165] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 446.646023] ? page_fault+0x8/0x30 [ 446.649574] page_fault+0x1e/0x30 [ 446.653036] RIP: 0033:0x45ddf3 [ 446.656264] Code: Bad RIP value. [ 446.659632] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 446.665001] RAX: ffffffffffffff92 RBX: 0000000028898d51 RCX: 000000000045ddf3 [ 446.672277] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014f1120 [ 446.679553] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 446.686831] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 446.694114] R13: 000000c42841fe60 R14: 0000000000000001 R15: 0000000000000000 [ 446.701408] warn_alloc_show_mem: 1 callbacks suppressed [ 446.701420] CPU: 1 PID: 16798 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #167 [ 446.701422] Mem-Info: [ 446.701460] active_anon:45985 inactive_anon:296 isolated_anon:0 [ 446.701460] active_file:15 inactive_file:8 isolated_file:0 [ 446.701460] unevictable:0 dirty:0 writeback:0 unstable:0 [ 446.701460] slab_reclaimable:9236 slab_unreclaimable:1461135 [ 446.701460] mapped:40979 shmem:353 pagetables:587 bounce:0 [ 446.701460] free:13771 free_pcp:249 free_cma:0 [ 446.706799] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 446.714170] Node 0 active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1412kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 446.716575] Call Trace: [ 446.749369] 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 [ 446.758727] [ 446.786442] lowmem_reserve[]: 0 2818 6321 6321 [ 446.789059] dump_stack+0x244/0x39d [ 446.815175] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:404kB local_pcp:156kB free_cma:0kB [ 446.817342] ? dump_stack_print_info.cold.1+0x20/0x20 [ 446.821887] lowmem_reserve[]: 0 0 3503 3503 [ 446.825536] warn_alloc.cold.116+0xb7/0x1bd [ 446.853013] Node 0 Normal free:14000kB min:37364kB low:46704kB high:56044kB active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2348kB bounce:0kB free_pcp:592kB local_pcp:388kB free_cma:0kB [ 446.858210] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 446.862504] lowmem_reserve[]: 0 0 0 0 [ 446.866841] ? lock_downgrade+0x900/0x900 [ 446.895802] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 446.900658] ? trace_hardirqs_off+0xb8/0x310 [ 446.904437] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 2*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 446.908596] ? trace_hardirqs_off+0xb8/0x310 [ 446.922107] Node 0 Normal: 794*4kB (MEH) 441*8kB (UMEH) 176*16kB (UME) 69*32kB (UMEH) 18*64kB (UM) 1*128kB (U) 2*256kB (U) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14032kB [ 446.926536] __alloc_pages_slowpath+0x2651/0x2de0 [ 446.941607] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 446.946035] ? warn_alloc+0x120/0x120 [ 446.961434] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 446.961444] 376 total pagecache pages [ 446.966295] ? warn_alloc+0x120/0x120 [ 446.975118] 0 pages in swap cache [ 446.978920] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 446.987481] Swap cache stats: add 0, delete 0, find 0/0 [ 446.991282] ? warn_alloc+0x120/0x120 [ 446.995083] Free swap = 0kB [ 446.998541] ? print_usage_bug+0xc0/0xc0 [ 447.003537] Total swap = 0kB [ 447.008900] ? print_usage_bug+0xc0/0xc0 [ 447.012686] 1965979 pages RAM [ 447.015707] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 447.019750] 0 pages HighMem/MovableOnly [ 447.022779] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 447.026810] 342854 pages reserved [ 447.026818] 0 pages cma reserved [ 447.029927] ? should_fail+0x22d/0xd01 [ 447.035172] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 447.039108] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 447.039124] ? __lock_acquire+0x62f/0x4c20 [ 447.039141] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 447.044722] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 447.048121] ? should_fail+0x22d/0xd01 [ 447.051478] syz-fuzzer cpuset=/ mems_allowed=0 [ 447.055374] ? mark_held_locks+0x130/0x130 [ 447.099190] ? mark_held_locks+0x130/0x130 [ 447.103437] ? print_usage_bug+0xc0/0xc0 [ 447.107514] ? find_held_lock+0x36/0x1c0 [ 447.111586] ? zap_class+0x640/0x640 [ 447.115319] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.120866] ? check_preemption_disabled+0x48/0x280 [ 447.125901] ? __lock_is_held+0xb5/0x140 [ 447.129985] __alloc_pages_nodemask+0xad8/0xea0 [ 447.134663] ? zap_class+0x640/0x640 [ 447.138392] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 447.143480] ? find_held_lock+0x36/0x1c0 [ 447.147563] ? ____cache_alloc_node+0x1c7/0x1e0 [ 447.152246] ? lock_downgrade+0x900/0x900 [ 447.156411] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.161972] cache_grow_begin+0xa5/0x8c0 [ 447.166046] ? do_raw_spin_unlock+0xa7/0x330 [ 447.170488] fallback_alloc+0x204/0x2e0 [ 447.174478] ____cache_alloc_node+0x1c7/0x1e0 [ 447.179161] kmem_cache_alloc_node+0xe3/0x730 [ 447.183659] ? mark_held_locks+0xc7/0x130 [ 447.187827] __alloc_skb+0x119/0x770 [ 447.191560] ? netdev_alloc_frag+0x1f0/0x1f0 [ 447.195980] ? do_raw_spin_trylock+0x270/0x270 [ 447.200577] ? kmem_cache_alloc_trace+0x353/0x750 [ 447.205439] ? queue_work_on+0x12c/0x1e0 [ 447.209516] ? switchdev_port_obj_del+0xe3/0x450 [ 447.214281] ? switchdev_trans_item_enqueue+0x260/0x260 [ 447.219663] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 447.224694] __br_mdb_notify+0x4ff/0x15d0 [ 447.228864] ? __br_mdb_add+0x7f0/0x7f0 [ 447.232859] ? zap_class+0x640/0x640 [ 447.236592] ? br_multicast_group_expired+0x96/0x610 [ 447.241705] ? lock_downgrade+0x900/0x900 [ 447.245915] br_mdb_notify+0x310/0x410 [ 447.249821] ? br_mdb_dump+0x27b0/0x27b0 [ 447.253904] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.259473] br_multicast_group_expired+0x1bc/0x610 [ 447.264507] ? br_mdb_free+0x80/0x80 [ 447.268244] call_timer_fn+0x272/0x920 [ 447.272146] ? br_mdb_free+0x80/0x80 [ 447.275868] ? process_timeout+0x40/0x40 [ 447.279963] ? __run_timers+0x7da/0xc70 [ 447.283957] ? _raw_spin_unlock_irq+0x27/0x80 [ 447.288462] ? _raw_spin_unlock_irq+0x27/0x80 [ 447.292972] ? br_mdb_free+0x80/0x80 [ 447.296695] ? lockdep_hardirqs_on+0x296/0x5b0 [ 447.301294] ? trace_hardirqs_on+0xbd/0x310 [ 447.305629] ? kasan_check_read+0x11/0x20 [ 447.309786] ? __run_timers+0x7da/0xc70 [ 447.313775] ? trace_hardirqs_off_caller+0x310/0x310 [ 447.318897] ? br_mdb_free+0x80/0x80 [ 447.322632] ? br_mdb_free+0x80/0x80 [ 447.326356] __run_timers+0x7e5/0xc70 [ 447.330181] ? timer_fixup_init+0x70/0x70 [ 447.334353] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 447.339383] ? zap_class+0x640/0x640 [ 447.343120] ? enqueue_hrtimer+0x1a5/0x560 [ 447.347365] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 447.352565] ? find_held_lock+0x36/0x1c0 [ 447.356634] ? zap_class+0x640/0x640 [ 447.360358] ? pvclock_read_flags+0x160/0x160 [ 447.364865] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.370407] ? check_preemption_disabled+0x48/0x280 [ 447.375439] ? __lock_is_held+0xb5/0x140 [ 447.379504] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.385047] ? check_preemption_disabled+0x48/0x280 [ 447.390085] run_timer_softirq+0x52/0xb0 [ 447.394153] ? rcu_read_lock_sched_held+0x14f/0x180 [ 447.399191] __do_softirq+0x308/0xb7e [ 447.402999] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 447.407495] ? lock_downgrade+0x900/0x900 [ 447.411652] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 447.416767] ? pvclock_read_flags+0x160/0x160 [ 447.421265] ? lapic_next_event+0x5a/0x90 [ 447.425419] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.430983] ? kvm_clock_read+0x18/0x30 [ 447.434962] ? kvm_sched_clock_read+0x9/0x20 [ 447.439401] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.444958] ? check_preemption_disabled+0x48/0x280 [ 447.449985] irq_exit+0x17f/0x1c0 [ 447.453448] smp_apic_timer_interrupt+0x1cb/0x760 [ 447.458292] ? smp_reschedule_interrupt+0x109/0x650 [ 447.463311] ? smp_call_function_single_interrupt+0x650/0x650 [ 447.469219] ? interrupt_entry+0xb5/0xc0 [ 447.473281] ? trace_hardirqs_off_caller+0xbb/0x310 [ 447.478300] ? trace_hardirqs_off_caller+0xbb/0x310 [ 447.483319] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 447.488163] ? trace_hardirqs_on_caller+0x310/0x310 [ 447.493206] ? trace_hardirqs_on_caller+0x310/0x310 [ 447.498226] ? task_prio+0x50/0x50 [ 447.501785] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.507328] ? check_preemption_disabled+0x48/0x280 [ 447.512351] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 447.517207] apic_timer_interrupt+0xf/0x20 [ 447.521434] [ 447.523677] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 447.528609] Code: 7e 0f 85 cf fe ff ff e8 66 cb 3d ff e9 c5 fe ff ff e8 0d 01 c3 ff 48 83 3d a5 49 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 42 f3 [ 447.547512] RSP: 0018:ffff888195497718 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 447.555221] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 447.562486] RDX: 0000000000000000 RSI: ffff8881d2488b40 RDI: 0000000000000282 [ 447.569771] RBP: ffff888195497780 R08: ffff8881d24882c0 R09: 0000000000000000 [ 447.577063] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 447.584338] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020 [ 447.591646] skb_clone+0x1bb/0x500 [ 447.595189] ? skb_split+0x11e0/0x11e0 [ 447.599084] ? check_preemption_disabled+0x48/0x280 [ 447.604123] ? __this_cpu_preempt_check+0x1c/0x20 [ 447.608988] ? __bpf_redirect+0x55b/0xb60 [ 447.613137] ? __switch_to_asm+0x34/0x70 [ 447.617209] ? __switch_to_asm+0x40/0x70 [ 447.621279] bpf_clone_redirect+0xb9/0x490 [ 447.625525] bpf_prog_3d1649e183dc2cc1+0xaf9/0x1000 [ 447.630547] ? __sched_text_start+0x8/0x8 [ 447.634723] ? find_held_lock+0x36/0x1c0 [ 447.638793] ? lock_acquire+0x1ed/0x520 [ 447.642766] ? bpf_test_run+0x3cb/0x780 [ 447.646754] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.652295] ? check_preemption_disabled+0x48/0x280 [ 447.657321] ? kasan_check_read+0x11/0x20 [ 447.661467] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 447.666739] ? rcu_softirq_qs+0x20/0x20 [ 447.670715] ? preempt_schedule+0x4d/0x60 [ 447.674862] ? ___preempt_schedule+0x16/0x18 [ 447.679279] ? bpf_test_run+0x25d/0x780 [ 447.683267] ? netlink_diag_dump+0x2a0/0x2a0 [ 447.687692] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 447.693249] ? bpf_test_init.isra.10+0x70/0x100 [ 447.697928] ? bpf_prog_test_run_skb+0x73b/0xd10 [ 447.702698] ? bpf_test_finish.isra.9+0x260/0x260 [ 447.707552] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 447.713121] ? fput+0x130/0x1a0 [ 447.716406] ? __bpf_prog_get+0x9b/0x290 [ 447.720485] ? bpf_test_finish.isra.9+0x260/0x260 [ 447.725346] ? bpf_prog_test_run+0x130/0x1a0 [ 447.729757] ? __x64_sys_bpf+0x3db/0x520 [ 447.733816] ? bpf_prog_get+0x20/0x20 [ 447.737639] ? do_syscall_64+0x1b9/0x820 [ 447.741713] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 447.747089] ? syscall_return_slowpath+0x5e0/0x5e0 [ 447.752022] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 447.756871] ? trace_hardirqs_on_caller+0x310/0x310 [ 447.761903] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 447.766925] ? prepare_exit_to_usermode+0x291/0x3b0 [ 447.771971] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 447.776821] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 447.782203] CPU: 0 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #167 [ 447.782359] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 447.789240] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 447.799709] syz-executor0 cpuset=syz0 mems_allowed=0 [ 447.809063] Call Trace: [ 447.816725] [ 447.818884] dump_stack+0x244/0x39d [ 447.822519] ? dump_stack_print_info.cold.1+0x20/0x20 [ 447.827720] warn_alloc.cold.116+0xb7/0x1bd [ 447.832043] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 447.836894] ? lock_downgrade+0x900/0x900 [ 447.841077] ? trace_hardirqs_off+0xb8/0x310 [ 447.845496] ? trace_hardirqs_off+0xb8/0x310 [ 447.849910] __alloc_pages_slowpath+0x2651/0x2de0 [ 447.854785] ? warn_alloc+0x120/0x120 [ 447.858588] ? print_usage_bug+0xc0/0xc0 [ 447.862650] ? warn_alloc+0x120/0x120 [ 447.866459] ? warn_alloc+0x120/0x120 [ 447.870263] ? print_usage_bug+0xc0/0xc0 [ 447.874333] ? print_usage_bug+0xc0/0xc0 [ 447.878399] ? __lock_acquire+0x62f/0x4c20 [ 447.882646] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 447.888188] ? should_fail+0x22d/0xd01 [ 447.892090] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 447.897198] ? __lock_acquire+0x62f/0x4c20 [ 447.901440] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 447.906540] ? __lock_acquire+0x62f/0x4c20 [ 447.910772] ? should_fail+0x22d/0xd01 [ 447.914662] ? find_held_lock+0x36/0x1c0 [ 447.918734] ? mark_held_locks+0x130/0x130 [ 447.922975] ? mark_held_locks+0x130/0x130 [ 447.927223] ? zap_class+0x640/0x640 [ 447.930932] ? zap_class+0x640/0x640 [ 447.934646] ? print_usage_bug+0xc0/0xc0 [ 447.938709] ? do_raw_spin_unlock+0xa7/0x330 [ 447.943121] ? zap_class+0x640/0x640 [ 447.946837] ? print_usage_bug+0xc0/0xc0 [ 447.950900] ? wq_watchdog_touch+0x9c/0xfe [ 447.955140] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.960680] ? check_preemption_disabled+0x48/0x280 [ 447.965710] ? __lock_is_held+0xb5/0x140 [ 447.969778] __alloc_pages_nodemask+0xad8/0xea0 [ 447.974454] ? zap_class+0x640/0x640 [ 447.978173] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 447.983207] ? find_held_lock+0x36/0x1c0 [ 447.987277] ? ____cache_alloc_node+0x1c7/0x1e0 [ 447.991947] ? lock_downgrade+0x900/0x900 [ 447.996145] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.001699] cache_grow_begin+0xa5/0x8c0 [ 448.005759] ? do_raw_spin_unlock+0xa7/0x330 [ 448.010171] fallback_alloc+0x204/0x2e0 [ 448.014153] ____cache_alloc_node+0x1c7/0x1e0 [ 448.018655] kmem_cache_alloc_node+0xe3/0x730 [ 448.023152] ? ipv6_get_ifaddr+0x42e/0x620 [ 448.027395] __alloc_skb+0x119/0x770 [ 448.031112] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 448.036421] ? netdev_alloc_frag+0x1f0/0x1f0 [ 448.040835] ? lock_downgrade+0x900/0x900 [ 448.044993] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.050534] ? refcount_sub_and_test_checked+0x203/0x310 [ 448.055991] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 448.061446] ? addrconf_rs_timer+0x690/0x690 [ 448.065883] ndisc_alloc_skb+0x144/0x340 [ 448.069952] ndisc_send_rs+0x331/0x6e0 [ 448.073865] addrconf_rs_timer+0x314/0x690 [ 448.078107] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 448.082369] call_timer_fn+0x272/0x920 [ 448.086254] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 448.090488] ? process_timeout+0x40/0x40 [ 448.094573] ? mark_held_locks+0xc7/0x130 [ 448.098745] ? _raw_spin_unlock_irq+0x27/0x80 [ 448.103241] ? _raw_spin_unlock_irq+0x27/0x80 [ 448.107736] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 448.111971] ? lockdep_hardirqs_on+0x296/0x5b0 [ 448.116555] ? trace_hardirqs_on+0xbd/0x310 [ 448.120890] ? kasan_check_read+0x11/0x20 [ 448.125039] ? __run_timers+0x7da/0xc70 [ 448.129030] ? trace_hardirqs_off_caller+0x310/0x310 [ 448.134136] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 448.138381] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 448.142616] __run_timers+0x7e5/0xc70 [ 448.146429] ? timer_fixup_init+0x70/0x70 [ 448.150587] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 448.155604] ? zap_class+0x640/0x640 [ 448.159324] ? print_usage_bug+0xc0/0xc0 [ 448.163389] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 448.168591] ? find_held_lock+0x36/0x1c0 [ 448.172659] ? zap_class+0x640/0x640 [ 448.176379] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.181916] ? check_preemption_disabled+0x48/0x280 [ 448.186942] ? __lock_is_held+0xb5/0x140 [ 448.191006] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.196548] ? check_preemption_disabled+0x48/0x280 [ 448.201568] run_timer_softirq+0x52/0xb0 [ 448.205629] ? rcu_read_lock_sched_held+0x14f/0x180 [ 448.210646] __do_softirq+0x308/0xb7e [ 448.214456] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 448.218950] ? lock_downgrade+0x900/0x900 [ 448.223112] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 448.228245] ? pvclock_read_flags+0x160/0x160 [ 448.232746] ? lapic_next_event+0x5a/0x90 [ 448.236900] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.242448] ? kvm_clock_read+0x18/0x30 [ 448.246424] ? kvm_sched_clock_read+0x9/0x20 [ 448.250841] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 448.256384] ? check_preemption_disabled+0x48/0x280 [ 448.261410] irq_exit+0x17f/0x1c0 [ 448.264870] smp_apic_timer_interrupt+0x1cb/0x760 [ 448.269710] ? smp_reschedule_interrupt+0x109/0x650 [ 448.274728] ? smp_call_function_single_interrupt+0x650/0x650 [ 448.280611] ? interrupt_entry+0xb5/0xc0 [ 448.284679] ? trace_hardirqs_off_caller+0xbb/0x310 [ 448.289695] ? trace_hardirqs_off_caller+0xbb/0x310 [ 448.294718] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 448.299563] ? trace_hardirqs_on_caller+0x310/0x310 [ 448.304579] ? trace_hardirqs_on_caller+0x310/0x310 [ 448.309605] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 448.314603] apic_timer_interrupt+0xf/0x20 [ 448.318830] [ 448.321080] RIP: 0010:dump_stack+0x358/0x39d [ 448.325500] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 f1 36 ed f9 48 83 3d f9 27 7c 01 00 0f 84 63 fe ff ff e8 6e b7 a9 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b b7 a9 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 448.344400] RSP: 0000:ffff8881bb40e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 448.352126] RAX: ffff8881c2208180 RBX: 1ffffffff12a3f6e RCX: 1ffff1103844114e [ 448.359392] RDX: 0000000000000000 RSI: ffffffff87d5d382 RDI: 0000000000000293 [ 448.366663] RBP: ffff8881bb40e290 R08: ffff8881c2208a70 R09: 0000000000000006 [ 448.373928] R10: 0000000000000000 R11: ffff8881c2208180 R12: 1ffff11037681c45 [ 448.381200] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 448.388506] ? dump_stack+0x34f/0x39d [ 448.392327] ? dump_stack_print_info.cold.1+0x20/0x20 [ 448.397521] ? mark_held_locks+0x130/0x130 [ 448.401759] ? mark_held_locks+0x130/0x130 [ 448.405997] dump_header+0x27b/0xf72 [ 448.409738] ? pagefault_out_of_memory+0x197/0x197 [ 448.414682] ? __lock_acquire+0x62f/0x4c20 [ 448.418921] ? percpu_ref_get_many+0x240/0x240 [ 448.423508] ? print_usage_bug+0xc0/0xc0 [ 448.427578] ? zap_class+0x640/0x640 [ 448.431293] ? print_usage_bug+0xc0/0xc0 [ 448.435354] ? print_usage_bug+0xc0/0xc0 [ 448.439419] ? zap_class+0x640/0x640 [ 448.443145] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.448693] ? find_held_lock+0x36/0x1c0 [ 448.452764] ? mark_held_locks+0xc7/0x130 [ 448.456919] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 448.462023] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 448.467162] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 448.471743] ? trace_hardirqs_on+0xbd/0x310 [ 448.476076] ? kasan_check_read+0x11/0x20 [ 448.480230] ? ___ratelimit+0x3b4/0x672 [ 448.484209] ? trace_hardirqs_off_caller+0x310/0x310 [ 448.489315] ? trace_hardirqs_on+0x310/0x310 [ 448.493725] ? lock_downgrade+0x900/0x900 [ 448.497878] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 448.502999] ? ___ratelimit+0x3b9/0x672 [ 448.506974] ? idr_get_free+0xf70/0xf70 [ 448.510950] ? find_held_lock+0x36/0x1c0 [ 448.515027] oom_kill_process.cold.27+0x10/0x903 [ 448.519783] ? zap_class+0x640/0x640 [ 448.523499] ? check_preemption_disabled+0x48/0x280 [ 448.528526] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 448.533464] ? kasan_check_read+0x11/0x20 [ 448.537616] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 448.542922] ? oom_evaluate_task+0x540/0x540 [ 448.547369] ? find_held_lock+0x36/0x1c0 [ 448.551444] ? out_of_memory+0x974/0x1430 [ 448.555594] ? lock_downgrade+0x900/0x900 [ 448.559748] ? check_preemption_disabled+0x48/0x280 [ 448.564772] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 448.569700] ? kasan_check_read+0x11/0x20 [ 448.573845] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 448.579124] ? rcu_softirq_qs+0x20/0x20 [ 448.583108] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 448.588644] ? oom_evaluate_task+0x302/0x540 [ 448.593061] out_of_memory+0xa84/0x1430 [ 448.597055] ? oom_killer_disable+0x3a0/0x3a0 [ 448.601564] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 448.606498] ? __ww_mutex_check_waiters+0x160/0x160 [ 448.611532] __alloc_pages_slowpath+0x232c/0x2de0 [ 448.616410] ? warn_alloc+0x120/0x120 [ 448.620214] ? mark_held_locks+0x130/0x130 [ 448.624462] ? find_get_entry+0xaae/0x1120 [ 448.628708] ? filemap_map_pages+0x1a20/0x1a20 [ 448.633296] ? zap_class+0x640/0x640 [ 448.637016] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.642560] ? check_preemption_disabled+0x48/0x280 [ 448.647578] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 448.653133] ? should_fail+0x22d/0xd01 [ 448.657026] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 448.662131] ? zap_class+0x640/0x640 [ 448.665913] ? __lock_is_held+0xb5/0x140 [ 448.670005] ? mark_held_locks+0x130/0x130 [ 448.674270] ? lock_release+0xa00/0xa00 [ 448.678247] ? perf_trace_sched_process_exec+0x860/0x860 [ 448.683702] ? xa_load+0x2ba/0x460 [ 448.687243] ? lock_downgrade+0x900/0x900 [ 448.691397] ? __might_sleep+0x95/0x190 [ 448.695380] __alloc_pages_nodemask+0xad8/0xea0 [ 448.700082] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 448.705113] ? __page_cache_alloc+0x191/0x5c0 [ 448.709606] ? xa_load+0x2e1/0x460 [ 448.713146] ? xa_clear_mark+0x40/0x40 [ 448.717038] ? zap_class+0x640/0x640 [ 448.720771] ? zap_class+0x640/0x640 [ 448.724482] ? zap_class+0x640/0x640 [ 448.728197] ? __do_page_cache_readahead+0x663/0x810 [ 448.733307] ? find_held_lock+0x36/0x1c0 [ 448.737379] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 448.742924] alloc_pages_current+0x173/0x350 [ 448.747343] __page_cache_alloc+0x38c/0x5c0 [ 448.751666] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 448.756594] ? kasan_check_read+0x11/0x20 [ 448.760740] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 448.766019] ? generic_perform_write+0x6a0/0x6a0 [ 448.770777] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 448.776379] ? check_preemption_disabled+0x48/0x280 [ 448.781441] filemap_fault+0x1595/0x25f0 [ 448.785515] ? __lock_page_or_retry+0xa00/0xa00 [ 448.790193] ? mark_held_locks+0x130/0x130 [ 448.794441] ? filemap_map_pages+0xd6b/0x1a20 [ 448.798940] ? lock_downgrade+0x900/0x900 [ 448.803116] ? check_preemption_disabled+0x48/0x280 [ 448.808154] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 448.813092] ? kasan_check_read+0x11/0x20 [ 448.817240] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 448.822520] ? rcu_softirq_qs+0x20/0x20 [ 448.826510] ? filemap_map_pages+0xd92/0x1a20 [ 448.831023] ? find_get_entries_tag+0x1400/0x1400 [ 448.835884] ? debug_object_destroy+0x2b0/0x2b0 [ 448.840571] ? lock_pi_update_atomic+0x150/0x150 [ 448.845330] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.850876] ? lock_acquire+0x1ed/0x520 [ 448.854856] ? ext4_filemap_fault+0x7a/0xad [ 448.859183] ? lock_release+0xa00/0xa00 [ 448.863160] ? perf_trace_sched_process_exec+0x860/0x860 [ 448.868611] ? print_usage_bug+0xc0/0xc0 [ 448.872705] ? print_usage_bug+0xc0/0xc0 [ 448.876789] ? down_read+0x8d/0x120 [ 448.880412] ? ext4_filemap_fault+0x7a/0xad [ 448.884734] ? __down_interruptible+0x700/0x700 [ 448.889414] ext4_filemap_fault+0x82/0xad [ 448.893572] __do_fault+0x100/0x6b0 [ 448.897201] ? find_held_lock+0x36/0x1c0 [ 448.901266] ? pmd_devmap_trans_unstable+0x220/0x220 [ 448.906406] ? mark_held_locks+0x130/0x130 [ 448.910646] ? mark_held_locks+0x130/0x130 [ 448.914885] ? debug_smp_processor_id+0x1c/0x20 [ 448.919556] ? perf_trace_lock+0x14d/0x7a0 [ 448.923798] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 448.929372] __handle_mm_fault+0x3ea0/0x5be0 [ 448.933793] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 448.938636] ? lock_is_held_type+0x210/0x210 [ 448.943096] ? __switch_to_asm+0x34/0x70 [ 448.947175] ? __switch_to_asm+0x34/0x70 [ 448.951262] ? zap_class+0x640/0x640 [ 448.955016] ? zap_class+0x640/0x640 [ 448.958769] ? __x64_sys_futex+0x53e/0x6a0 [ 448.963025] ? find_held_lock+0x36/0x1c0 [ 448.967116] ? handle_mm_fault+0x42a/0xc70 [ 448.971351] ? lock_downgrade+0x900/0x900 [ 448.975515] ? check_preemption_disabled+0x48/0x280 [ 448.980538] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 448.985472] ? kasan_check_read+0x11/0x20 [ 448.989618] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 448.994914] ? rcu_softirq_qs+0x20/0x20 [ 448.998886] ? trace_hardirqs_off_caller+0x310/0x310 [ 449.003992] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 449.009549] ? check_preemption_disabled+0x48/0x280 [ 449.014573] handle_mm_fault+0x54f/0xc70 [ 449.018658] ? __handle_mm_fault+0x5be0/0x5be0 [ 449.023246] ? find_vma+0x34/0x190 [ 449.026789] __do_page_fault+0x5e8/0xe60 [ 449.030854] ? trace_hardirqs_off+0xb8/0x310 [ 449.035279] do_page_fault+0xf2/0x7e0 [ 449.039090] ? vmalloc_sync_all+0x30/0x30 [ 449.043252] ? error_entry+0x70/0xd0 [ 449.046984] ? trace_hardirqs_off_caller+0xbb/0x310 [ 449.052001] ? trace_hardirqs_on_caller+0xc0/0x310 [ 449.056930] ? syscall_return_slowpath+0x5e0/0x5e0 [ 449.061854] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 449.066699] ? trace_hardirqs_on_caller+0x310/0x310 [ 449.071805] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 449.077257] ? prepare_exit_to_usermode+0x291/0x3b0 [ 449.082278] ? page_fault+0x8/0x30 [ 449.085834] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 449.090680] ? page_fault+0x8/0x30 [ 449.094221] page_fault+0x1e/0x30 [ 449.097678] RIP: 0033:0x45ddf3 [ 449.100886] Code: Bad RIP value. [ 449.104252] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 449.109612] RAX: ffffffffffffff92 RBX: 0000000028898d51 RCX: 000000000045ddf3 [ 449.116880] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014f1120 [ 449.124150] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 449.131414] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 449.138683] R13: 000000c42841fe60 R14: 0000000000000001 R15: 0000000000000000 [ 449.145977] warn_alloc_show_mem: 1 callbacks suppressed [ 449.145989] CPU: 1 PID: 16798 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #167 [ 449.145991] Mem-Info: [ 449.146038] active_anon:45985 inactive_anon:296 isolated_anon:0 [ 449.146038] active_file:15 inactive_file:8 isolated_file:0 [ 449.146038] unevictable:0 dirty:0 writeback:0 unstable:0 [ 449.146038] slab_reclaimable:9236 slab_unreclaimable:1461135 [ 449.146038] mapped:40979 shmem:353 pagetables:587 bounce:0 [ 449.146038] free:13771 free_pcp:249 free_cma:0 [ 449.151382] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 449.158748] Node 0 active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1412kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 449.161149] Call Trace: [ 449.194439] 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 [ 449.203782] [ 449.231438] lowmem_reserve[]: 0 2818 6321 6321 [ 449.234033] dump_stack+0x244/0x39d [ 449.260142] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:404kB local_pcp:156kB free_cma:0kB [ 449.262298] ? dump_stack_print_info.cold.1+0x20/0x20 [ 449.266848] lowmem_reserve[]: 0 0 3503 3503 [ 449.270480] warn_alloc.cold.116+0xb7/0x1bd [ 449.297957] Node 0 Normal free:14000kB min:37364kB low:46704kB high:56044kB active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2348kB bounce:0kB free_pcp:592kB local_pcp:388kB free_cma:0kB [ 449.303146] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 449.307436] lowmem_reserve[]: 0 0 0 0 [ 449.311752] ? lock_downgrade+0x900/0x900 [ 449.340701] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 449.345547] ? trace_hardirqs_off+0xb8/0x310 [ 449.349320] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 2*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 449.353465] ? trace_hardirqs_off+0xb8/0x310 [ 449.366962] Node 0 Normal: 794*4kB (MEH) 441*8kB (UMEH) 176*16kB (UME) 69*32kB (UMEH) 18*64kB (UM) 1*128kB (U) 2*256kB (U) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14032kB [ 449.371370] __alloc_pages_slowpath+0x2651/0x2de0 [ 449.386436] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 449.390851] ? warn_alloc+0x120/0x120 [ 449.406246] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 449.411090] ? warn_alloc+0x120/0x120 [ 449.419898] 376 total pagecache pages [ 449.423693] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 449.432250] 0 pages in swap cache [ 449.436033] ? warn_alloc+0x120/0x120 [ 449.439811] Swap cache stats: add 0, delete 0, find 0/0 [ 449.444823] ? print_usage_bug+0xc0/0xc0 [ 449.448249] Free swap = 0kB [ 449.448257] Total swap = 0kB [ 449.452053] ? print_usage_bug+0xc0/0xc0 [ 449.457403] 1965979 pages RAM [ 449.461456] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 449.464457] 0 pages HighMem/MovableOnly [ 449.467474] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 449.471496] 342854 pages reserved [ 449.471504] 0 pages cma reserved [ 449.474602] ? should_fail+0x22d/0xd01 [ 449.479824] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 449.483734] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 449.489331] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 449.492697] ? __lock_acquire+0x62f/0x4c20 [ 449.496038] syz-fuzzer cpuset=/ mems_allowed=0 [ 449.499922] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 449.535566] ? should_fail+0x22d/0xd01 [ 449.539474] ? mark_held_locks+0x130/0x130 [ 449.543712] ? mark_held_locks+0x130/0x130 [ 449.547947] ? print_usage_bug+0xc0/0xc0 [ 449.552027] ? find_held_lock+0x36/0x1c0 [ 449.556097] ? zap_class+0x640/0x640 [ 449.559818] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 449.565357] ? check_preemption_disabled+0x48/0x280 [ 449.570382] ? __lock_is_held+0xb5/0x140 [ 449.574452] __alloc_pages_nodemask+0xad8/0xea0 [ 449.579125] ? zap_class+0x640/0x640 [ 449.582857] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 449.587885] ? find_held_lock+0x36/0x1c0 [ 449.591959] ? ____cache_alloc_node+0x1c7/0x1e0 [ 449.596628] ? lock_downgrade+0x900/0x900 [ 449.600821] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 449.606390] cache_grow_begin+0xa5/0x8c0 [ 449.610453] ? do_raw_spin_unlock+0xa7/0x330 [ 449.614874] fallback_alloc+0x204/0x2e0 [ 449.618854] ____cache_alloc_node+0x1c7/0x1e0 [ 449.623361] kmem_cache_alloc_node+0xe3/0x730 [ 449.627857] ? mark_held_locks+0xc7/0x130 [ 449.632015] __alloc_skb+0x119/0x770 [ 449.635737] ? netdev_alloc_frag+0x1f0/0x1f0 [ 449.640143] ? do_raw_spin_trylock+0x270/0x270 [ 449.644739] ? kmem_cache_alloc_trace+0x353/0x750 [ 449.649587] ? queue_work_on+0x12c/0x1e0 [ 449.653657] ? switchdev_port_obj_del+0xe3/0x450 [ 449.658415] ? switchdev_trans_item_enqueue+0x260/0x260 [ 449.663830] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 449.668913] __br_mdb_notify+0x4ff/0x15d0 [ 449.673080] ? __br_mdb_add+0x7f0/0x7f0 [ 449.677090] ? zap_class+0x640/0x640 [ 449.680841] ? br_multicast_group_expired+0x96/0x610 [ 449.685965] ? lock_downgrade+0x900/0x900 [ 449.690119] br_mdb_notify+0x310/0x410 [ 449.694008] ? br_mdb_dump+0x27b0/0x27b0 [ 449.698086] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 449.703634] br_multicast_group_expired+0x1bc/0x610 [ 449.708657] ? br_mdb_free+0x80/0x80 [ 449.712414] call_timer_fn+0x272/0x920 [ 449.716302] ? br_mdb_free+0x80/0x80 [ 449.720016] ? process_timeout+0x40/0x40 [ 449.724109] ? __run_timers+0x7da/0xc70 [ 449.728112] ? _raw_spin_unlock_irq+0x27/0x80 [ 449.732604] ? _raw_spin_unlock_irq+0x27/0x80 [ 449.737120] ? br_mdb_free+0x80/0x80 [ 449.740835] ? lockdep_hardirqs_on+0x296/0x5b0 [ 449.745418] ? trace_hardirqs_on+0xbd/0x310 [ 449.749744] ? kasan_check_read+0x11/0x20 [ 449.753893] ? __run_timers+0x7da/0xc70 [ 449.757874] ? trace_hardirqs_off_caller+0x310/0x310 [ 449.763042] ? br_mdb_free+0x80/0x80 [ 449.766768] ? br_mdb_free+0x80/0x80 [ 449.770488] __run_timers+0x7e5/0xc70 [ 449.774297] ? timer_fixup_init+0x70/0x70 [ 449.778448] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 449.783472] ? zap_class+0x640/0x640 [ 449.787193] ? enqueue_hrtimer+0x1a5/0x560 [ 449.791431] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 449.796641] ? find_held_lock+0x36/0x1c0 [ 449.800709] ? zap_class+0x640/0x640 [ 449.804428] ? pvclock_read_flags+0x160/0x160 [ 449.808925] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 449.814474] ? check_preemption_disabled+0x48/0x280 [ 449.819505] ? __lock_is_held+0xb5/0x140 [ 449.823567] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 449.829119] ? check_preemption_disabled+0x48/0x280 [ 449.834174] run_timer_softirq+0x52/0xb0 [ 449.838240] ? rcu_read_lock_sched_held+0x14f/0x180 [ 449.843260] __do_softirq+0x308/0xb7e [ 449.847076] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 449.851573] ? lock_downgrade+0x900/0x900 [ 449.855730] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 449.860842] ? pvclock_read_flags+0x160/0x160 [ 449.865343] ? lapic_next_event+0x5a/0x90 [ 449.869494] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 449.875041] ? kvm_clock_read+0x18/0x30 [ 449.879022] ? kvm_sched_clock_read+0x9/0x20 [ 449.883434] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 449.888988] ? check_preemption_disabled+0x48/0x280 [ 449.894045] irq_exit+0x17f/0x1c0 [ 449.897511] smp_apic_timer_interrupt+0x1cb/0x760 [ 449.902356] ? smp_reschedule_interrupt+0x109/0x650 [ 449.907406] ? smp_call_function_single_interrupt+0x650/0x650 [ 449.913292] ? interrupt_entry+0xb5/0xc0 [ 449.917389] ? trace_hardirqs_off_caller+0xbb/0x310 [ 449.922418] ? trace_hardirqs_off_caller+0xbb/0x310 [ 449.927439] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 449.932298] ? trace_hardirqs_on_caller+0x310/0x310 [ 449.937312] ? trace_hardirqs_on_caller+0x310/0x310 [ 449.942332] ? task_prio+0x50/0x50 [ 449.945877] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 449.951420] ? check_preemption_disabled+0x48/0x280 [ 449.956446] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 449.961305] apic_timer_interrupt+0xf/0x20 [ 449.965549] [ 449.967811] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 449.972757] Code: 7e 0f 85 cf fe ff ff e8 66 cb 3d ff e9 c5 fe ff ff e8 0d 01 c3 ff 48 83 3d a5 49 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 42 f3 [ 449.991655] RSP: 0018:ffff888195497718 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 449.999365] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 450.006633] RDX: 0000000000000000 RSI: ffff8881d2488b40 RDI: 0000000000000282 [ 450.013900] RBP: ffff888195497780 R08: ffff8881d24882c0 R09: 0000000000000000 [ 450.021168] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 450.028435] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020 [ 450.035746] skb_clone+0x1bb/0x500 [ 450.039307] ? skb_split+0x11e0/0x11e0 [ 450.043195] ? check_preemption_disabled+0x48/0x280 [ 450.048219] ? __this_cpu_preempt_check+0x1c/0x20 [ 450.053061] ? __bpf_redirect+0x55b/0xb60 [ 450.057221] ? __switch_to_asm+0x34/0x70 [ 450.061280] ? __switch_to_asm+0x40/0x70 [ 450.065345] bpf_clone_redirect+0xb9/0x490 [ 450.069588] bpf_prog_3d1649e183dc2cc1+0xaf9/0x1000 [ 450.074607] ? __sched_text_start+0x8/0x8 [ 450.078786] ? find_held_lock+0x36/0x1c0 [ 450.082882] ? lock_acquire+0x1ed/0x520 [ 450.086856] ? bpf_test_run+0x3cb/0x780 [ 450.090833] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.096374] ? check_preemption_disabled+0x48/0x280 [ 450.101401] ? kasan_check_read+0x11/0x20 [ 450.105547] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 450.110822] ? rcu_softirq_qs+0x20/0x20 [ 450.114803] ? preempt_schedule+0x4d/0x60 [ 450.118955] ? ___preempt_schedule+0x16/0x18 [ 450.123377] ? bpf_test_run+0x25d/0x780 [ 450.127366] ? netlink_diag_dump+0x2a0/0x2a0 [ 450.131781] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 450.137319] ? bpf_test_init.isra.10+0x70/0x100 [ 450.142000] ? bpf_prog_test_run_skb+0x73b/0xd10 [ 450.146767] ? bpf_test_finish.isra.9+0x260/0x260 [ 450.151612] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 450.157166] ? fput+0x130/0x1a0 [ 450.160453] ? __bpf_prog_get+0x9b/0x290 [ 450.164516] ? bpf_test_finish.isra.9+0x260/0x260 [ 450.169361] ? bpf_prog_test_run+0x130/0x1a0 [ 450.173773] ? __x64_sys_bpf+0x3db/0x520 [ 450.177835] ? bpf_prog_get+0x20/0x20 [ 450.181663] ? do_syscall_64+0x1b9/0x820 [ 450.185723] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 450.191096] ? syscall_return_slowpath+0x5e0/0x5e0 [ 450.196025] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 450.200868] ? trace_hardirqs_on_caller+0x310/0x310 [ 450.205904] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 450.210939] ? prepare_exit_to_usermode+0x291/0x3b0 [ 450.215962] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 450.220812] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 450.226213] CPU: 0 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #167 [ 450.226375] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 450.233235] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 450.243706] syz-executor0 cpuset=syz0 mems_allowed=0 [ 450.253050] Call Trace: [ 450.260721] [ 450.262922] dump_stack+0x244/0x39d [ 450.266573] ? dump_stack_print_info.cold.1+0x20/0x20 [ 450.271780] warn_alloc.cold.116+0xb7/0x1bd [ 450.276111] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 450.280963] ? lock_downgrade+0x900/0x900 [ 450.285121] ? trace_hardirqs_off+0xb8/0x310 [ 450.289537] ? trace_hardirqs_off+0xb8/0x310 [ 450.293958] __alloc_pages_slowpath+0x2651/0x2de0 [ 450.298830] ? warn_alloc+0x120/0x120 [ 450.302632] ? print_usage_bug+0xc0/0xc0 [ 450.306699] ? warn_alloc+0x120/0x120 [ 450.310635] ? warn_alloc+0x120/0x120 [ 450.314429] ? print_usage_bug+0xc0/0xc0 [ 450.318498] ? kvm_clock_read+0x18/0x30 [ 450.322478] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 450.327495] ? print_usage_bug+0xc0/0xc0 [ 450.331555] ? __lock_acquire+0x62f/0x4c20 [ 450.335798] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 450.341340] ? should_fail+0x22d/0xd01 [ 450.345228] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 450.350511] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 450.355619] ? __lock_acquire+0x62f/0x4c20 [ 450.359861] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 450.364965] ? __lock_acquire+0x62f/0x4c20 [ 450.369203] ? should_fail+0x22d/0xd01 [ 450.373095] ? rcu_irq_exit+0x1a2/0x390 [ 450.377120] ? mark_held_locks+0x130/0x130 [ 450.381365] ? mark_held_locks+0x130/0x130 [ 450.385605] ? mark_held_locks+0xc7/0x130 [ 450.389752] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 450.394767] ? zap_class+0x640/0x640 [ 450.398483] ? print_usage_bug+0xc0/0xc0 [ 450.402555] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.408105] ? check_preemption_disabled+0x48/0x280 [ 450.413134] ? __lock_is_held+0xb5/0x140 [ 450.417201] __alloc_pages_nodemask+0xad8/0xea0 [ 450.421870] ? zap_class+0x640/0x640 [ 450.425590] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 450.430622] ? find_held_lock+0x36/0x1c0 [ 450.434708] ? ____cache_alloc_node+0x1c7/0x1e0 [ 450.439375] ? lock_downgrade+0x900/0x900 [ 450.443534] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.449087] cache_grow_begin+0xa5/0x8c0 [ 450.453151] ? do_raw_spin_unlock+0xa7/0x330 [ 450.457570] fallback_alloc+0x204/0x2e0 [ 450.461556] ____cache_alloc_node+0x1c7/0x1e0 [ 450.466057] kmem_cache_alloc_node+0xe3/0x730 [ 450.470563] ? ipv6_get_ifaddr+0x42e/0x620 [ 450.474814] __alloc_skb+0x119/0x770 [ 450.478539] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 450.483828] ? netdev_alloc_frag+0x1f0/0x1f0 [ 450.488237] ? lock_downgrade+0x900/0x900 [ 450.492393] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.497934] ? refcount_sub_and_test_checked+0x203/0x310 [ 450.503402] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 450.508864] ? addrconf_rs_timer+0x690/0x690 [ 450.513284] ndisc_alloc_skb+0x144/0x340 [ 450.517383] ndisc_send_rs+0x331/0x6e0 [ 450.521283] addrconf_rs_timer+0x314/0x690 [ 450.525527] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 450.529834] call_timer_fn+0x272/0x920 [ 450.533719] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 450.537954] ? process_timeout+0x40/0x40 [ 450.542025] ? mark_held_locks+0xc7/0x130 [ 450.546175] ? _raw_spin_unlock_irq+0x27/0x80 [ 450.550672] ? _raw_spin_unlock_irq+0x27/0x80 [ 450.555165] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 450.559405] ? lockdep_hardirqs_on+0x296/0x5b0 [ 450.563992] ? trace_hardirqs_on+0xbd/0x310 [ 450.568312] ? kasan_check_read+0x11/0x20 [ 450.572459] ? __run_timers+0x7da/0xc70 [ 450.576441] ? trace_hardirqs_off_caller+0x310/0x310 [ 450.581552] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 450.585798] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 450.590031] __run_timers+0x7e5/0xc70 [ 450.593861] ? timer_fixup_init+0x70/0x70 [ 450.598013] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 450.603035] ? zap_class+0x640/0x640 [ 450.606794] ? print_usage_bug+0xc0/0xc0 [ 450.610888] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 450.616094] ? find_held_lock+0x36/0x1c0 [ 450.620179] ? zap_class+0x640/0x640 [ 450.623930] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.629469] ? check_preemption_disabled+0x48/0x280 [ 450.634496] ? __lock_is_held+0xb5/0x140 [ 450.638559] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.644112] ? check_preemption_disabled+0x48/0x280 [ 450.649133] run_timer_softirq+0x52/0xb0 [ 450.653198] ? rcu_read_lock_sched_held+0x14f/0x180 [ 450.658218] __do_softirq+0x308/0xb7e [ 450.662026] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 450.666523] ? lock_downgrade+0x900/0x900 [ 450.670683] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 450.675793] ? pvclock_read_flags+0x160/0x160 [ 450.680307] ? lapic_next_event+0x5a/0x90 [ 450.684472] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.690020] ? kvm_clock_read+0x18/0x30 [ 450.693994] ? kvm_sched_clock_read+0x9/0x20 [ 450.698416] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 450.703963] ? check_preemption_disabled+0x48/0x280 [ 450.708993] irq_exit+0x17f/0x1c0 [ 450.712459] smp_apic_timer_interrupt+0x1cb/0x760 [ 450.717302] ? smp_reschedule_interrupt+0x109/0x650 [ 450.722322] ? smp_call_function_single_interrupt+0x650/0x650 [ 450.728205] ? interrupt_entry+0xb5/0xc0 [ 450.732272] ? trace_hardirqs_off_caller+0xbb/0x310 [ 450.737300] ? trace_hardirqs_off_caller+0xbb/0x310 [ 450.742321] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 450.747168] ? trace_hardirqs_on_caller+0x310/0x310 [ 450.752188] ? trace_hardirqs_on_caller+0x310/0x310 [ 450.757220] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 450.762082] apic_timer_interrupt+0xf/0x20 [ 450.766315] [ 450.768556] RIP: 0010:dump_stack+0x358/0x39d [ 450.772980] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 f1 36 ed f9 48 83 3d f9 27 7c 01 00 0f 84 63 fe ff ff e8 6e b7 a9 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b b7 a9 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 450.791971] RSP: 0000:ffff8881bb40e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 450.799677] RAX: ffff8881c2208180 RBX: 1ffffffff12a3f6e RCX: 1ffff1103844114e [ 450.806949] RDX: 0000000000000000 RSI: ffffffff87d5d382 RDI: 0000000000000293 [ 450.814218] RBP: ffff8881bb40e290 R08: ffff8881c2208a70 R09: 0000000000000006 [ 450.821482] R10: 0000000000000000 R11: ffff8881c2208180 R12: 1ffff11037681c45 [ 450.828746] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 450.836041] ? dump_stack+0x34f/0x39d [ 450.839862] ? dump_stack_print_info.cold.1+0x20/0x20 [ 450.845055] ? mark_held_locks+0x130/0x130 [ 450.849297] ? mark_held_locks+0x130/0x130 [ 450.853537] dump_header+0x27b/0xf72 [ 450.857263] ? pagefault_out_of_memory+0x197/0x197 [ 450.862199] ? __lock_acquire+0x62f/0x4c20 [ 450.866442] ? percpu_ref_get_many+0x240/0x240 [ 450.871028] ? print_usage_bug+0xc0/0xc0 [ 450.875108] ? zap_class+0x640/0x640 [ 450.878844] ? print_usage_bug+0xc0/0xc0 [ 450.882902] ? print_usage_bug+0xc0/0xc0 [ 450.886966] ? zap_class+0x640/0x640 [ 450.890687] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.896229] ? find_held_lock+0x36/0x1c0 [ 450.900312] ? mark_held_locks+0xc7/0x130 [ 450.904466] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 450.909573] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 450.914676] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 450.919265] ? trace_hardirqs_on+0xbd/0x310 [ 450.923589] ? kasan_check_read+0x11/0x20 [ 450.927755] ? ___ratelimit+0x3b4/0x672 [ 450.931736] ? trace_hardirqs_off_caller+0x310/0x310 [ 450.936844] ? trace_hardirqs_on+0x310/0x310 [ 450.941258] ? lock_downgrade+0x900/0x900 [ 450.945412] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 450.950524] ? ___ratelimit+0x3b9/0x672 [ 450.954504] ? idr_get_free+0xf70/0xf70 [ 450.958481] ? find_held_lock+0x36/0x1c0 [ 450.962555] oom_kill_process.cold.27+0x10/0x903 [ 450.967316] ? zap_class+0x640/0x640 [ 450.971033] ? check_preemption_disabled+0x48/0x280 [ 450.976077] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 450.981010] ? kasan_check_read+0x11/0x20 [ 450.985171] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 450.990461] ? oom_evaluate_task+0x540/0x540 [ 450.994875] ? find_held_lock+0x36/0x1c0 [ 450.998945] ? out_of_memory+0x974/0x1430 [ 451.003104] ? lock_downgrade+0x900/0x900 [ 451.007286] ? check_preemption_disabled+0x48/0x280 [ 451.012309] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 451.017246] ? kasan_check_read+0x11/0x20 [ 451.021411] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 451.026695] ? rcu_softirq_qs+0x20/0x20 [ 451.030677] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 451.036219] ? oom_evaluate_task+0x302/0x540 [ 451.040639] out_of_memory+0xa84/0x1430 [ 451.044628] ? oom_killer_disable+0x3a0/0x3a0 [ 451.049135] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 451.054106] ? __ww_mutex_check_waiters+0x160/0x160 [ 451.059174] __alloc_pages_slowpath+0x232c/0x2de0 [ 451.064051] ? warn_alloc+0x120/0x120 [ 451.067861] ? mark_held_locks+0x130/0x130 [ 451.072112] ? find_get_entry+0xaae/0x1120 [ 451.076361] ? filemap_map_pages+0x1a20/0x1a20 [ 451.080968] ? zap_class+0x640/0x640 [ 451.084690] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 451.090236] ? check_preemption_disabled+0x48/0x280 [ 451.095257] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 451.100802] ? should_fail+0x22d/0xd01 [ 451.104728] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 451.109838] ? zap_class+0x640/0x640 [ 451.113584] ? __lock_is_held+0xb5/0x140 [ 451.117655] ? mark_held_locks+0x130/0x130 [ 451.121910] ? lock_release+0xa00/0xa00 [ 451.125889] ? perf_trace_sched_process_exec+0x860/0x860 [ 451.131341] ? xa_load+0x2ba/0x460 [ 451.134885] ? lock_downgrade+0x900/0x900 [ 451.139040] ? __might_sleep+0x95/0x190 [ 451.143028] __alloc_pages_nodemask+0xad8/0xea0 [ 451.147706] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 451.152727] ? __page_cache_alloc+0x191/0x5c0 [ 451.157226] ? xa_load+0x2e1/0x460 [ 451.160767] ? xa_clear_mark+0x40/0x40 [ 451.164658] ? zap_class+0x640/0x640 [ 451.168382] ? zap_class+0x640/0x640 [ 451.172115] ? zap_class+0x640/0x640 [ 451.175837] ? __do_page_cache_readahead+0x663/0x810 [ 451.181426] ? find_held_lock+0x36/0x1c0 [ 451.185502] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 451.191053] alloc_pages_current+0x173/0x350 [ 451.195497] __page_cache_alloc+0x38c/0x5c0 [ 451.199823] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 451.204756] ? kasan_check_read+0x11/0x20 [ 451.208902] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 451.214201] ? generic_perform_write+0x6a0/0x6a0 [ 451.218963] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 451.224506] ? check_preemption_disabled+0x48/0x280 [ 451.229534] filemap_fault+0x1595/0x25f0 [ 451.233612] ? __lock_page_or_retry+0xa00/0xa00 [ 451.238289] ? mark_held_locks+0x130/0x130 [ 451.242537] ? filemap_map_pages+0xd6b/0x1a20 [ 451.247038] ? lock_downgrade+0x900/0x900 [ 451.251197] ? check_preemption_disabled+0x48/0x280 [ 451.256220] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 451.261154] ? kasan_check_read+0x11/0x20 [ 451.265304] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 451.270584] ? rcu_softirq_qs+0x20/0x20 [ 451.274573] ? filemap_map_pages+0xd92/0x1a20 [ 451.279122] ? find_get_entries_tag+0x1400/0x1400 [ 451.283990] ? debug_object_destroy+0x2b0/0x2b0 [ 451.288667] ? lock_pi_update_atomic+0x150/0x150 [ 451.293425] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 451.299334] ? lock_acquire+0x1ed/0x520 [ 451.303310] ? ext4_filemap_fault+0x7a/0xad [ 451.307643] ? lock_release+0xa00/0xa00 [ 451.311622] ? perf_trace_sched_process_exec+0x860/0x860 [ 451.317085] ? print_usage_bug+0xc0/0xc0 [ 451.321150] ? print_usage_bug+0xc0/0xc0 [ 451.325254] ? down_read+0x8d/0x120 [ 451.328882] ? ext4_filemap_fault+0x7a/0xad [ 451.333209] ? __down_interruptible+0x700/0x700 [ 451.337887] ext4_filemap_fault+0x82/0xad [ 451.342041] __do_fault+0x100/0x6b0 [ 451.345677] ? find_held_lock+0x36/0x1c0 [ 451.349747] ? pmd_devmap_trans_unstable+0x220/0x220 [ 451.354852] ? mark_held_locks+0x130/0x130 [ 451.359097] ? mark_held_locks+0x130/0x130 [ 451.363346] ? debug_smp_processor_id+0x1c/0x20 [ 451.368021] ? perf_trace_lock+0x14d/0x7a0 [ 451.372263] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 451.377934] __handle_mm_fault+0x3ea0/0x5be0 [ 451.382360] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 451.387209] ? lock_is_held_type+0x210/0x210 [ 451.391626] ? __switch_to_asm+0x34/0x70 [ 451.395693] ? __switch_to_asm+0x34/0x70 [ 451.399773] ? zap_class+0x640/0x640 [ 451.403486] ? zap_class+0x640/0x640 [ 451.407205] ? __x64_sys_futex+0x53e/0x6a0 [ 451.411451] ? find_held_lock+0x36/0x1c0 [ 451.415528] ? handle_mm_fault+0x42a/0xc70 [ 451.419812] ? lock_downgrade+0x900/0x900 [ 451.424003] ? check_preemption_disabled+0x48/0x280 [ 451.429030] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 451.433963] ? kasan_check_read+0x11/0x20 [ 451.438127] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 451.443408] ? rcu_softirq_qs+0x20/0x20 [ 451.447388] ? trace_hardirqs_off_caller+0x310/0x310 [ 451.452514] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 451.458056] ? check_preemption_disabled+0x48/0x280 [ 451.463140] handle_mm_fault+0x54f/0xc70 [ 451.467207] ? __handle_mm_fault+0x5be0/0x5be0 [ 451.471840] ? find_vma+0x34/0x190 [ 451.475399] __do_page_fault+0x5e8/0xe60 [ 451.479466] ? trace_hardirqs_off+0xb8/0x310 [ 451.483887] do_page_fault+0xf2/0x7e0 [ 451.487689] ? vmalloc_sync_all+0x30/0x30 [ 451.491843] ? error_entry+0x70/0xd0 [ 451.495564] ? trace_hardirqs_off_caller+0xbb/0x310 [ 451.500585] ? trace_hardirqs_on_caller+0xc0/0x310 [ 451.505518] ? syscall_return_slowpath+0x5e0/0x5e0 [ 451.510453] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 451.515308] ? trace_hardirqs_on_caller+0x310/0x310 [ 451.520327] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 451.525785] ? prepare_exit_to_usermode+0x291/0x3b0 [ 451.530850] ? page_fault+0x8/0x30 [ 451.534392] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 451.539249] ? page_fault+0x8/0x30 [ 451.542824] page_fault+0x1e/0x30 [ 451.546277] RIP: 0033:0x45ddf3 [ 451.549486] Code: Bad RIP value. [ 451.552848] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 451.558209] RAX: ffffffffffffff92 RBX: 0000000028898d51 RCX: 000000000045ddf3 [ 451.565508] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014f1120 [ 451.572780] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 451.580053] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 451.587332] R13: 000000c42841fe60 R14: 0000000000000001 R15: 0000000000000000 [ 451.594630] warn_alloc_show_mem: 1 callbacks suppressed [ 451.594643] CPU: 1 PID: 16798 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #167 [ 451.594645] Mem-Info: [ 451.594677] active_anon:45985 inactive_anon:296 isolated_anon:0 [ 451.594677] active_file:15 inactive_file:8 isolated_file:0 [ 451.594677] unevictable:0 dirty:0 writeback:0 unstable:0 [ 451.594677] slab_reclaimable:9236 slab_unreclaimable:1461135 [ 451.594677] mapped:40979 shmem:353 pagetables:587 bounce:0 [ 451.594677] free:13771 free_pcp:249 free_cma:0 [ 451.600027] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 451.607405] Node 0 active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1412kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 451.609847] Call Trace: [ 451.642638] 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 [ 451.652032] [ 451.679706] lowmem_reserve[]: 0 2818 6321 6321 [ 451.682303] dump_stack+0x244/0x39d [ 451.708399] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:404kB local_pcp:156kB free_cma:0kB [ 451.710560] ? dump_stack_print_info.cold.1+0x20/0x20 [ 451.715143] lowmem_reserve[]: 0 0 3503 3503 [ 451.718779] warn_alloc.cold.116+0xb7/0x1bd [ 451.746254] Node 0 Normal free:14000kB min:37364kB low:46704kB high:56044kB active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2348kB bounce:0kB free_pcp:592kB local_pcp:388kB free_cma:0kB [ 451.751458] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 451.755747] lowmem_reserve[]: 0 0 0 0 [ 451.760088] ? lock_downgrade+0x900/0x900 [ 451.789041] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 451.793896] ? trace_hardirqs_off+0xb8/0x310 [ 451.797668] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 2*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 451.801825] ? trace_hardirqs_off+0xb8/0x310 [ 451.815340] Node 0 Normal: 794*4kB (MEH) 441*8kB (UMEH) 176*16kB (UME) 69*32kB (UMEH) 18*64kB (UM) 1*128kB (U) 2*256kB (U) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14032kB [ 451.819761] __alloc_pages_slowpath+0x2651/0x2de0 [ 451.834833] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 451.839269] ? warn_alloc+0x120/0x120 [ 451.854672] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 451.859520] ? warn_alloc+0x120/0x120 [ 451.868349] 376 total pagecache pages [ 451.872164] ? warn_alloc+0x120/0x120 [ 451.880726] 0 pages in swap cache [ 451.884527] ? print_usage_bug+0xc0/0xc0 [ 451.888298] Swap cache stats: add 0, delete 0, find 0/0 [ 451.888307] Free swap = 0kB [ 451.892128] ? mark_held_locks+0x130/0x130 [ 451.895552] Total swap = 0kB [ 451.899611] ? kvm_clock_read+0x18/0x30 [ 451.904949] 1965979 pages RAM [ 451.907989] ? print_usage_bug+0xc0/0xc0 [ 451.912194] 0 pages HighMem/MovableOnly [ 451.915218] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 451.919155] 342854 pages reserved [ 451.922262] ? should_fail+0x22d/0xd01 [ 451.926296] 0 pages cma reserved [ 451.930274] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 451.935843] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 451.939233] ? __lock_acquire+0x62f/0x4c20 [ 451.939258] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 451.943193] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 451.946499] ? __lock_acquire+0x62f/0x4c20 [ 451.951577] syz-fuzzer cpuset=/ mems_allowed=0 [ 451.958068] ? should_fail+0x22d/0xd01 [ 451.958102] ? mark_held_locks+0x130/0x130 [ 451.994543] ? mark_held_locks+0x130/0x130 [ 451.998786] ? try_to_wake_up+0x11c/0x1490 [ 452.003046] ? lock_downgrade+0x900/0x900 [ 452.007218] ? zap_class+0x640/0x640 [ 452.010943] ? print_usage_bug+0xc0/0xc0 [ 452.015007] ? trace_hardirqs_off+0xb8/0x310 [ 452.019420] ? kasan_check_read+0x11/0x20 [ 452.023583] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 452.029174] ? check_preemption_disabled+0x48/0x280 [ 452.034209] ? __lock_is_held+0xb5/0x140 [ 452.038282] __alloc_pages_nodemask+0xad8/0xea0 [ 452.042964] ? zap_class+0x640/0x640 [ 452.046688] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 452.051720] ? find_held_lock+0x36/0x1c0 [ 452.055796] ? ____cache_alloc_node+0x1c7/0x1e0 [ 452.060471] ? lock_downgrade+0x900/0x900 [ 452.064635] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 452.070191] cache_grow_begin+0xa5/0x8c0 [ 452.074262] ? do_raw_spin_unlock+0xa7/0x330 [ 452.078688] fallback_alloc+0x204/0x2e0 [ 452.082678] ____cache_alloc_node+0x1c7/0x1e0 [ 452.087188] kmem_cache_alloc_node+0xe3/0x730 [ 452.091692] ? ipv6_get_ifaddr+0x42e/0x620 [ 452.095948] __alloc_skb+0x119/0x770 [ 452.099667] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 452.104962] ? netdev_alloc_frag+0x1f0/0x1f0 [ 452.109382] ? lock_downgrade+0x900/0x900 [ 452.113546] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 452.119101] ? refcount_sub_and_test_checked+0x203/0x310 [ 452.124572] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 452.130039] ? addrconf_rs_timer+0x690/0x690 [ 452.134477] ndisc_alloc_skb+0x144/0x340 [ 452.138558] ndisc_send_rs+0x331/0x6e0 [ 452.142457] addrconf_rs_timer+0x314/0x690 [ 452.146708] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 452.150963] call_timer_fn+0x272/0x920 [ 452.154873] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 452.159116] ? process_timeout+0x40/0x40 [ 452.163190] ? __run_timers+0x7da/0xc70 [ 452.167177] ? _raw_spin_unlock_irq+0x27/0x80 [ 452.171679] ? _raw_spin_unlock_irq+0x27/0x80 [ 452.176200] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 452.180446] ? lockdep_hardirqs_on+0x296/0x5b0 [ 452.185039] ? trace_hardirqs_on+0xbd/0x310 [ 452.189409] ? kasan_check_read+0x11/0x20 [ 452.193578] ? __run_timers+0x7da/0xc70 [ 452.197559] ? trace_hardirqs_off_caller+0x310/0x310 [ 452.202681] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 452.206918] __run_timers+0x7e5/0xc70 [ 452.210737] ? timer_fixup_init+0x70/0x70 [ 452.214924] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 452.219961] ? zap_class+0x640/0x640 [ 452.223684] ? enqueue_hrtimer+0x1a5/0x560 [ 452.227958] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 452.233173] ? find_held_lock+0x36/0x1c0 [ 452.237246] ? zap_class+0x640/0x640 [ 452.240974] ? pvclock_read_flags+0x160/0x160 [ 452.245479] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 452.251024] ? check_preemption_disabled+0x48/0x280 [ 452.256058] ? __lock_is_held+0xb5/0x140 [ 452.260138] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 452.265683] ? check_preemption_disabled+0x48/0x280 [ 452.270715] run_timer_softirq+0x52/0xb0 [ 452.274783] ? rcu_read_lock_sched_held+0x14f/0x180 [ 452.279811] __do_softirq+0x308/0xb7e [ 452.284090] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 452.288607] ? lock_downgrade+0x900/0x900 [ 452.292765] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 452.297886] ? pvclock_read_flags+0x160/0x160 [ 452.302389] ? lapic_next_event+0x5a/0x90 [ 452.306550] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 452.312588] ? kvm_clock_read+0x18/0x30 [ 452.316573] ? kvm_sched_clock_read+0x9/0x20 [ 452.321023] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 452.326573] ? check_preemption_disabled+0x48/0x280 [ 452.331609] irq_exit+0x17f/0x1c0 [ 452.335096] smp_apic_timer_interrupt+0x1cb/0x760 [ 452.339962] ? smp_reschedule_interrupt+0x109/0x650 [ 452.345004] ? smp_call_function_single_interrupt+0x650/0x650 [ 452.350931] ? interrupt_entry+0xb5/0xc0 [ 452.355022] ? trace_hardirqs_off_caller+0xbb/0x310 [ 452.360094] ? trace_hardirqs_off_caller+0xbb/0x310 [ 452.365128] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 452.369982] ? trace_hardirqs_on_caller+0x310/0x310 [ 452.375769] ? trace_hardirqs_on_caller+0x310/0x310 [ 452.380797] ? task_prio+0x50/0x50 [ 452.384383] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 452.389938] ? check_preemption_disabled+0x48/0x280 [ 452.394985] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 452.399907] apic_timer_interrupt+0xf/0x20 [ 452.404141] [ 452.406387] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 452.411324] Code: 7e 0f 85 cf fe ff ff e8 66 cb 3d ff e9 c5 fe ff ff e8 0d 01 c3 ff 48 83 3d a5 49 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 42 f3 [ 452.430237] RSP: 0018:ffff888195497718 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 452.437964] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 452.445249] RDX: 0000000000000000 RSI: ffff8881d2488b40 RDI: 0000000000000282 [ 452.452532] RBP: ffff888195497780 R08: ffff8881d24882c0 R09: 0000000000000000 [ 452.459815] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 452.467103] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020 [ 452.474428] skb_clone+0x1bb/0x500 [ 452.478009] ? skb_split+0x11e0/0x11e0 [ 452.481901] ? check_preemption_disabled+0x48/0x280 [ 452.486943] ? __this_cpu_preempt_check+0x1c/0x20 [ 452.491798] ? __bpf_redirect+0x55b/0xb60 [ 452.495972] ? __switch_to_asm+0x34/0x70 [ 452.500051] ? __switch_to_asm+0x40/0x70 [ 452.504135] bpf_clone_redirect+0xb9/0x490 [ 452.508380] bpf_prog_3d1649e183dc2cc1+0xaf9/0x1000 [ 452.513405] ? __sched_text_start+0x8/0x8 [ 452.517572] ? find_held_lock+0x36/0x1c0 [ 452.521648] ? lock_acquire+0x1ed/0x520 [ 452.525642] ? bpf_test_run+0x3cb/0x780 [ 452.529625] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 452.535168] ? check_preemption_disabled+0x48/0x280 [ 452.540203] ? kasan_check_read+0x11/0x20 [ 452.544359] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 452.549645] ? rcu_softirq_qs+0x20/0x20 [ 452.553631] ? preempt_schedule+0x4d/0x60 [ 452.557783] ? ___preempt_schedule+0x16/0x18 [ 452.562241] ? bpf_test_run+0x25d/0x780 [ 452.566247] ? netlink_diag_dump+0x2a0/0x2a0 [ 452.570681] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 452.576227] ? bpf_test_init.isra.10+0x70/0x100 [ 452.580925] ? bpf_prog_test_run_skb+0x73b/0xd10 [ 452.585699] ? bpf_test_finish.isra.9+0x260/0x260 [ 452.590555] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 452.596109] ? fput+0x130/0x1a0 [ 452.599415] ? __bpf_prog_get+0x9b/0x290 [ 452.603486] ? bpf_test_finish.isra.9+0x260/0x260 [ 452.608337] ? bpf_prog_test_run+0x130/0x1a0 [ 452.612754] ? __x64_sys_bpf+0x3db/0x520 [ 452.616820] ? bpf_prog_get+0x20/0x20 [ 452.620653] ? do_syscall_64+0x1b9/0x820 [ 452.624719] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 452.630116] ? syscall_return_slowpath+0x5e0/0x5e0 [ 452.635049] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 452.639909] ? trace_hardirqs_on_caller+0x310/0x310 [ 452.644944] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 452.649973] ? prepare_exit_to_usermode+0x291/0x3b0 [ 452.655006] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 452.659866] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 452.665256] CPU: 0 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #167 [ 452.665325] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 452.672272] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 452.672277] Call Trace: [ 452.672283] [ 452.672318] dump_stack+0x244/0x39d [ 452.672349] ? dump_stack_print_info.cold.1+0x20/0x20 [ 452.672375] warn_alloc.cold.116+0xb7/0x1bd [ 452.678975] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 452.688232] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 452.690809] syz-executor0 cpuset=syz0 mems_allowed=0 [ 452.692959] ? lock_downgrade+0x900/0x900 [ 452.730603] ? trace_hardirqs_off+0xb8/0x310 [ 452.735024] ? trace_hardirqs_off+0xb8/0x310 [ 452.739448] __alloc_pages_slowpath+0x2651/0x2de0 [ 452.744341] ? warn_alloc+0x120/0x120 [ 452.748147] ? print_usage_bug+0xc0/0xc0 [ 452.752211] ? warn_alloc+0x120/0x120 [ 452.756028] ? warn_alloc+0x120/0x120 [ 452.759833] ? print_usage_bug+0xc0/0xc0 [ 452.763901] ? print_usage_bug+0xc0/0xc0 [ 452.767967] ? __lock_acquire+0x62f/0x4c20 [ 452.772242] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 452.777784] ? should_fail+0x22d/0xd01 [ 452.781679] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 452.786837] ? __lock_acquire+0x62f/0x4c20 [ 452.791114] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 452.796221] ? __lock_acquire+0x62f/0x4c20 [ 452.800462] ? should_fail+0x22d/0xd01 [ 452.804384] ? find_held_lock+0x36/0x1c0 [ 452.808461] ? mark_held_locks+0x130/0x130 [ 452.812719] ? mark_held_locks+0x130/0x130 [ 452.816978] ? zap_class+0x640/0x640 [ 452.820693] ? zap_class+0x640/0x640 [ 452.824428] ? print_usage_bug+0xc0/0xc0 [ 452.828494] ? do_raw_spin_unlock+0xa7/0x330 [ 452.832906] ? zap_class+0x640/0x640 [ 452.836636] ? print_usage_bug+0xc0/0xc0 [ 452.840698] ? wq_watchdog_touch+0x9c/0xfe [ 452.844941] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 452.850499] ? check_preemption_disabled+0x48/0x280 [ 452.855531] ? __lock_is_held+0xb5/0x140 [ 452.859604] __alloc_pages_nodemask+0xad8/0xea0 [ 452.864275] ? zap_class+0x640/0x640 [ 452.867995] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 452.873025] ? find_held_lock+0x36/0x1c0 [ 452.877120] ? ____cache_alloc_node+0x1c7/0x1e0 [ 452.881821] ? lock_downgrade+0x900/0x900 [ 452.885982] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 452.891547] cache_grow_begin+0xa5/0x8c0 [ 452.895611] ? do_raw_spin_unlock+0xa7/0x330 [ 452.900032] fallback_alloc+0x204/0x2e0 [ 452.904015] ____cache_alloc_node+0x1c7/0x1e0 [ 452.908520] kmem_cache_alloc_node+0xe3/0x730 [ 452.913025] ? ipv6_get_ifaddr+0x42e/0x620 [ 452.917275] __alloc_skb+0x119/0x770 [ 452.920991] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 452.926279] ? netdev_alloc_frag+0x1f0/0x1f0 [ 452.930700] ? lock_downgrade+0x900/0x900 [ 452.934888] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 452.940441] ? refcount_sub_and_test_checked+0x203/0x310 [ 452.945905] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 452.951359] ? addrconf_rs_timer+0x690/0x690 [ 452.955784] ndisc_alloc_skb+0x144/0x340 [ 452.959887] ndisc_send_rs+0x331/0x6e0 [ 452.963784] addrconf_rs_timer+0x314/0x690 [ 452.968030] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 452.972279] call_timer_fn+0x272/0x920 [ 452.976169] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 452.980405] ? process_timeout+0x40/0x40 [ 452.984485] ? mark_held_locks+0xc7/0x130 [ 452.988641] ? _raw_spin_unlock_irq+0x27/0x80 [ 452.993139] ? _raw_spin_unlock_irq+0x27/0x80 [ 452.997638] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 453.001884] ? lockdep_hardirqs_on+0x296/0x5b0 [ 453.006472] ? trace_hardirqs_on+0xbd/0x310 [ 453.010798] ? kasan_check_read+0x11/0x20 [ 453.014963] ? __run_timers+0x7da/0xc70 [ 453.018941] ? trace_hardirqs_off_caller+0x310/0x310 [ 453.024093] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 453.028342] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 453.032576] __run_timers+0x7e5/0xc70 [ 453.036389] ? timer_fixup_init+0x70/0x70 [ 453.040545] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 453.045563] ? zap_class+0x640/0x640 [ 453.049284] ? print_usage_bug+0xc0/0xc0 [ 453.053350] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 453.058550] ? find_held_lock+0x36/0x1c0 [ 453.062617] ? zap_class+0x640/0x640 [ 453.066344] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 453.071891] ? check_preemption_disabled+0x48/0x280 [ 453.076935] ? __lock_is_held+0xb5/0x140 [ 453.081002] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 453.086559] ? check_preemption_disabled+0x48/0x280 [ 453.091596] run_timer_softirq+0x52/0xb0 [ 453.095664] ? rcu_read_lock_sched_held+0x14f/0x180 [ 453.100683] __do_softirq+0x308/0xb7e [ 453.104493] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 453.108992] ? lock_downgrade+0x900/0x900 [ 453.113155] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 453.118290] ? pvclock_read_flags+0x160/0x160 [ 453.122809] ? lapic_next_event+0x5a/0x90 [ 453.126967] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 453.132530] ? kvm_clock_read+0x18/0x30 [ 453.136511] ? kvm_sched_clock_read+0x9/0x20 [ 453.140929] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 453.146476] ? check_preemption_disabled+0x48/0x280 [ 453.151511] irq_exit+0x17f/0x1c0 [ 453.154972] smp_apic_timer_interrupt+0x1cb/0x760 [ 453.159818] ? smp_reschedule_interrupt+0x109/0x650 [ 453.164877] ? smp_call_function_single_interrupt+0x650/0x650 [ 453.170794] ? interrupt_entry+0xb5/0xc0 [ 453.174903] ? trace_hardirqs_off_caller+0xbb/0x310 [ 453.180372] ? trace_hardirqs_off_caller+0xbb/0x310 [ 453.185406] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 453.190270] ? trace_hardirqs_on_caller+0x310/0x310 [ 453.195290] ? trace_hardirqs_on_caller+0x310/0x310 [ 453.200327] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 453.205183] apic_timer_interrupt+0xf/0x20 [ 453.209414] [ 453.211659] RIP: 0010:dump_stack+0x358/0x39d [ 453.216080] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 f1 36 ed f9 48 83 3d f9 27 7c 01 00 0f 84 63 fe ff ff e8 6e b7 a9 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b b7 a9 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 453.234993] RSP: 0000:ffff8881bb40e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 453.242724] RAX: ffff8881c2208180 RBX: 1ffffffff12a3f6e RCX: 1ffff1103844114e [ 453.249995] RDX: 0000000000000000 RSI: ffffffff87d5d382 RDI: 0000000000000293 [ 453.257277] RBP: ffff8881bb40e290 R08: ffff8881c2208a70 R09: 0000000000000006 [ 453.264551] R10: 0000000000000000 R11: ffff8881c2208180 R12: 1ffff11037681c45 [ 453.271829] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 453.279136] ? dump_stack+0x34f/0x39d [ 453.282954] ? dump_stack_print_info.cold.1+0x20/0x20 [ 453.288152] ? mark_held_locks+0x130/0x130 [ 453.292392] ? mark_held_locks+0x130/0x130 [ 453.296638] dump_header+0x27b/0xf72 [ 453.300366] ? pagefault_out_of_memory+0x197/0x197 [ 453.305309] ? __lock_acquire+0x62f/0x4c20 [ 453.309547] ? percpu_ref_get_many+0x240/0x240 [ 453.314135] ? print_usage_bug+0xc0/0xc0 [ 453.318205] ? zap_class+0x640/0x640 [ 453.321927] ? print_usage_bug+0xc0/0xc0 [ 453.325985] ? print_usage_bug+0xc0/0xc0 [ 453.330044] ? zap_class+0x640/0x640 [ 453.333786] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 453.339328] ? find_held_lock+0x36/0x1c0 [ 453.343401] ? mark_held_locks+0xc7/0x130 [ 453.347558] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 453.352667] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 453.357773] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 453.362365] ? trace_hardirqs_on+0xbd/0x310 [ 453.366689] ? kasan_check_read+0x11/0x20 [ 453.370843] ? ___ratelimit+0x3b4/0x672 [ 453.374823] ? trace_hardirqs_off_caller+0x310/0x310 [ 453.379935] ? trace_hardirqs_on+0x310/0x310 [ 453.384357] ? lock_downgrade+0x900/0x900 [ 453.388529] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 453.393638] ? ___ratelimit+0x3b9/0x672 [ 453.397620] ? idr_get_free+0xf70/0xf70 [ 453.401597] ? find_held_lock+0x36/0x1c0 [ 453.405671] oom_kill_process.cold.27+0x10/0x903 [ 453.410442] ? zap_class+0x640/0x640 [ 453.414159] ? check_preemption_disabled+0x48/0x280 [ 453.419183] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 453.424114] ? kasan_check_read+0x11/0x20 [ 453.428264] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 453.433548] ? oom_evaluate_task+0x540/0x540 [ 453.437965] ? find_held_lock+0x36/0x1c0 [ 453.442039] ? out_of_memory+0x974/0x1430 [ 453.446202] ? lock_downgrade+0x900/0x900 [ 453.450354] ? check_preemption_disabled+0x48/0x280 [ 453.455381] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 453.460323] ? kasan_check_read+0x11/0x20 [ 453.464475] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 453.469759] ? rcu_softirq_qs+0x20/0x20 [ 453.473741] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 453.479286] ? oom_evaluate_task+0x302/0x540 [ 453.483701] out_of_memory+0xa84/0x1430 [ 453.487687] ? oom_killer_disable+0x3a0/0x3a0 [ 453.492207] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 453.497143] ? __ww_mutex_check_waiters+0x160/0x160 [ 453.502176] __alloc_pages_slowpath+0x232c/0x2de0 [ 453.507063] ? warn_alloc+0x120/0x120 [ 453.510873] ? mark_held_locks+0x130/0x130 [ 453.515121] ? find_get_entry+0xaae/0x1120 [ 453.519369] ? filemap_map_pages+0x1a20/0x1a20 [ 453.523962] ? zap_class+0x640/0x640 [ 453.527698] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 453.533246] ? check_preemption_disabled+0x48/0x280 [ 453.538266] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 453.543811] ? should_fail+0x22d/0xd01 [ 453.547705] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 453.552813] ? zap_class+0x640/0x640 [ 453.556563] ? __lock_is_held+0xb5/0x140 [ 453.560637] ? mark_held_locks+0x130/0x130 [ 453.564879] ? lock_release+0xa00/0xa00 [ 453.568887] ? perf_trace_sched_process_exec+0x860/0x860 [ 453.574355] ? xa_load+0x2ba/0x460 [ 453.577919] ? lock_downgrade+0x900/0x900 [ 453.582083] ? __might_sleep+0x95/0x190 [ 453.586109] __alloc_pages_nodemask+0xad8/0xea0 [ 453.590793] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 453.595812] ? __page_cache_alloc+0x191/0x5c0 [ 453.600306] ? xa_load+0x2e1/0x460 [ 453.603848] ? xa_clear_mark+0x40/0x40 [ 453.607740] ? zap_class+0x640/0x640 [ 453.611471] ? zap_class+0x640/0x640 [ 453.615185] ? zap_class+0x640/0x640 [ 453.618903] ? __do_page_cache_readahead+0x663/0x810 [ 453.624016] ? find_held_lock+0x36/0x1c0 [ 453.628095] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 453.633646] alloc_pages_current+0x173/0x350 [ 453.638066] __page_cache_alloc+0x38c/0x5c0 [ 453.642401] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 453.647336] ? kasan_check_read+0x11/0x20 [ 453.651485] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 453.656768] ? generic_perform_write+0x6a0/0x6a0 [ 453.661535] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 453.667083] ? check_preemption_disabled+0x48/0x280 [ 453.672129] filemap_fault+0x1595/0x25f0 [ 453.676206] ? __lock_page_or_retry+0xa00/0xa00 [ 453.680890] ? mark_held_locks+0x130/0x130 [ 453.685156] ? filemap_map_pages+0xd6b/0x1a20 [ 453.689655] ? lock_downgrade+0x900/0x900 [ 453.693840] ? check_preemption_disabled+0x48/0x280 [ 453.698862] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 453.703843] ? kasan_check_read+0x11/0x20 [ 453.708009] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 453.713286] ? rcu_softirq_qs+0x20/0x20 [ 453.717294] ? filemap_map_pages+0xd92/0x1a20 [ 453.721802] ? find_get_entries_tag+0x1400/0x1400 [ 453.726653] ? debug_object_destroy+0x2b0/0x2b0 [ 453.731327] ? lock_pi_update_atomic+0x150/0x150 [ 453.736110] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 453.741660] ? lock_acquire+0x1ed/0x520 [ 453.745653] ? ext4_filemap_fault+0x7a/0xad [ 453.749982] ? lock_release+0xa00/0xa00 [ 453.753962] ? perf_trace_sched_process_exec+0x860/0x860 [ 453.759434] ? print_usage_bug+0xc0/0xc0 [ 453.763518] ? print_usage_bug+0xc0/0xc0 [ 453.767587] ? down_read+0x8d/0x120 [ 453.771215] ? ext4_filemap_fault+0x7a/0xad [ 453.775538] ? __down_interruptible+0x700/0x700 [ 453.780221] ext4_filemap_fault+0x82/0xad [ 453.784393] __do_fault+0x100/0x6b0 [ 453.788033] ? find_held_lock+0x36/0x1c0 [ 453.792105] ? pmd_devmap_trans_unstable+0x220/0x220 [ 453.797216] ? mark_held_locks+0x130/0x130 [ 453.801461] ? mark_held_locks+0x130/0x130 [ 453.805702] ? debug_smp_processor_id+0x1c/0x20 [ 453.810374] ? perf_trace_lock+0x14d/0x7a0 [ 453.814621] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 453.820171] __handle_mm_fault+0x3ea0/0x5be0 [ 453.824604] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 453.829460] ? lock_is_held_type+0x210/0x210 [ 453.833893] ? __switch_to_asm+0x34/0x70 [ 453.837953] ? __switch_to_asm+0x34/0x70 [ 453.842046] ? zap_class+0x640/0x640 [ 453.845789] ? zap_class+0x640/0x640 [ 453.849505] ? __x64_sys_futex+0x53e/0x6a0 [ 453.853771] ? find_held_lock+0x36/0x1c0 [ 453.857865] ? handle_mm_fault+0x42a/0xc70 [ 453.862118] ? lock_downgrade+0x900/0x900 [ 453.866272] ? check_preemption_disabled+0x48/0x280 [ 453.871300] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 453.876231] ? kasan_check_read+0x11/0x20 [ 453.880382] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 453.885663] ? rcu_softirq_qs+0x20/0x20 [ 453.889642] ? trace_hardirqs_off_caller+0x310/0x310 [ 453.894758] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 453.900302] ? check_preemption_disabled+0x48/0x280 [ 453.905333] handle_mm_fault+0x54f/0xc70 [ 453.909402] ? __handle_mm_fault+0x5be0/0x5be0 [ 453.913997] ? find_vma+0x34/0x190 [ 453.917547] __do_page_fault+0x5e8/0xe60 [ 453.921612] ? trace_hardirqs_off+0xb8/0x310 [ 453.926034] do_page_fault+0xf2/0x7e0 [ 453.929855] ? vmalloc_sync_all+0x30/0x30 [ 453.934037] ? error_entry+0x70/0xd0 [ 453.937757] ? trace_hardirqs_off_caller+0xbb/0x310 [ 453.942778] ? trace_hardirqs_on_caller+0xc0/0x310 [ 453.947712] ? syscall_return_slowpath+0x5e0/0x5e0 [ 453.952642] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 453.957496] ? trace_hardirqs_on_caller+0x310/0x310 [ 453.962517] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 453.967981] ? prepare_exit_to_usermode+0x291/0x3b0 [ 453.973004] ? page_fault+0x8/0x30 [ 453.976575] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 453.981422] ? page_fault+0x8/0x30 [ 453.984970] page_fault+0x1e/0x30 [ 453.988421] RIP: 0033:0x45ddf3 [ 453.991628] Code: Bad RIP value. [ 453.994987] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 454.000352] RAX: ffffffffffffff92 RBX: 0000000028898d51 RCX: 000000000045ddf3 [ 454.007636] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014f1120 [ 454.014905] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 454.022178] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 454.029465] R13: 000000c42841fe60 R14: 0000000000000001 R15: 0000000000000000 [ 454.036759] warn_alloc_show_mem: 1 callbacks suppressed [ 454.036772] CPU: 1 PID: 16798 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #167 [ 454.036774] Mem-Info: [ 454.036805] active_anon:45985 inactive_anon:296 isolated_anon:0 [ 454.036805] active_file:15 inactive_file:8 isolated_file:0 [ 454.036805] unevictable:0 dirty:0 writeback:0 unstable:0 [ 454.036805] slab_reclaimable:9236 slab_unreclaimable:1461135 [ 454.036805] mapped:40979 shmem:353 pagetables:587 bounce:0 [ 454.036805] free:13771 free_pcp:249 free_cma:0 [ 454.042148] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 454.049514] Node 0 active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1412kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 454.051929] Call Trace: [ 454.084733] 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 [ 454.094098] [ 454.121770] lowmem_reserve[]: 0 2818 6321 6321 [ 454.124363] dump_stack+0x244/0x39d [ 454.150457] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:404kB local_pcp:156kB free_cma:0kB [ 454.152617] ? dump_stack_print_info.cold.1+0x20/0x20 [ 454.157160] lowmem_reserve[]: 0 0 3503 3503 [ 454.160809] warn_alloc.cold.116+0xb7/0x1bd [ 454.188371] Node 0 Normal free:14000kB min:37364kB low:46704kB high:56044kB active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2348kB bounce:0kB free_pcp:592kB local_pcp:388kB free_cma:0kB [ 454.193569] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 454.197869] lowmem_reserve[]: 0 0 0 0 [ 454.202205] ? lock_downgrade+0x900/0x900 [ 454.231165] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 454.236029] ? trace_hardirqs_off+0xb8/0x310 [ 454.239814] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 2*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 454.243982] ? trace_hardirqs_off+0xb8/0x310 [ 454.257484] Node 0 Normal: 794*4kB (MEH) 441*8kB (UMEH) 176*16kB (UME) 69*32kB (UMEH) 18*64kB (UM) 1*128kB (U) 2*256kB (U) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14032kB [ 454.261934] __alloc_pages_slowpath+0x2651/0x2de0 [ 454.277018] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 454.281447] ? warn_alloc+0x120/0x120 [ 454.296856] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 454.301701] ? print_usage_bug+0xc0/0xc0 [ 454.310638] 376 total pagecache pages [ 454.310650] 0 pages in swap cache [ 454.310655] Swap cache stats: add 0, delete 0, find 0/0 [ 454.310658] Free swap = 0kB [ 454.310661] Total swap = 0kB [ 454.310666] 1965979 pages RAM [ 454.310669] 0 pages HighMem/MovableOnly [ 454.310671] 342854 pages reserved [ 454.310674] 0 pages cma reserved [ 454.310723] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 454.310770] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 454.310775] syz-fuzzer cpuset=/ mems_allowed=0 [ 454.381804] ? warn_alloc+0x120/0x120 [ 454.385621] ? warn_alloc+0x120/0x120 [ 454.389432] ? print_usage_bug+0xc0/0xc0 [ 454.393501] ? kvm_clock_read+0x18/0x30 [ 454.397482] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 454.402510] ? print_usage_bug+0xc0/0xc0 [ 454.406579] ? __lock_acquire+0x62f/0x4c20 [ 454.410825] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 454.416370] ? should_fail+0x22d/0xd01 [ 454.420289] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 454.425588] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 454.430702] ? __lock_acquire+0x62f/0x4c20 [ 454.434953] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 454.440061] ? __lock_acquire+0x62f/0x4c20 [ 454.444310] ? should_fail+0x22d/0xd01 [ 454.448204] ? rcu_irq_exit+0x1a2/0x390 [ 454.452195] ? mark_held_locks+0x130/0x130 [ 454.456467] ? mark_held_locks+0x130/0x130 [ 454.460716] ? mark_held_locks+0xc7/0x130 [ 454.464903] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 454.469929] ? zap_class+0x640/0x640 [ 454.473657] ? print_usage_bug+0xc0/0xc0 [ 454.477732] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 454.483279] ? check_preemption_disabled+0x48/0x280 [ 454.488315] ? __lock_is_held+0xb5/0x140 [ 454.492391] __alloc_pages_nodemask+0xad8/0xea0 [ 454.497068] ? zap_class+0x640/0x640 [ 454.500800] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 454.505848] ? find_held_lock+0x36/0x1c0 [ 454.509974] ? ____cache_alloc_node+0x1c7/0x1e0 [ 454.514663] ? lock_downgrade+0x900/0x900 [ 454.518906] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 454.524459] cache_grow_begin+0xa5/0x8c0 [ 454.528533] ? do_raw_spin_unlock+0xa7/0x330 [ 454.532960] fallback_alloc+0x204/0x2e0 [ 454.536955] ____cache_alloc_node+0x1c7/0x1e0 [ 454.541465] kmem_cache_alloc_node+0xe3/0x730 [ 454.545970] ? ipv6_get_ifaddr+0x42e/0x620 [ 454.550249] __alloc_skb+0x119/0x770 [ 454.553987] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 454.559288] ? netdev_alloc_frag+0x1f0/0x1f0 [ 454.563730] ? lock_downgrade+0x900/0x900 [ 454.567928] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 454.573480] ? refcount_sub_and_test_checked+0x203/0x310 [ 454.578949] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 454.584408] ? addrconf_rs_timer+0x690/0x690 [ 454.588837] ndisc_alloc_skb+0x144/0x340 [ 454.592906] ndisc_send_rs+0x331/0x6e0 [ 454.596807] addrconf_rs_timer+0x314/0x690 [ 454.601052] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 454.605310] call_timer_fn+0x272/0x920 [ 454.609207] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 454.613448] ? process_timeout+0x40/0x40 [ 454.617521] ? __run_timers+0x7da/0xc70 [ 454.621501] ? _raw_spin_unlock_irq+0x27/0x80 [ 454.626015] ? _raw_spin_unlock_irq+0x27/0x80 [ 454.630517] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 454.634762] ? lockdep_hardirqs_on+0x296/0x5b0 [ 454.639381] ? trace_hardirqs_on+0xbd/0x310 [ 454.643709] ? kasan_check_read+0x11/0x20 [ 454.647880] ? __run_timers+0x7da/0xc70 [ 454.651876] ? trace_hardirqs_off_caller+0x310/0x310 [ 454.656992] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 454.661240] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 454.665476] __run_timers+0x7e5/0xc70 [ 454.669314] ? timer_fixup_init+0x70/0x70 [ 454.673473] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 454.678494] ? zap_class+0x640/0x640 [ 454.682217] ? enqueue_hrtimer+0x1a5/0x560 [ 454.686460] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 454.691664] ? find_held_lock+0x36/0x1c0 [ 454.695738] ? zap_class+0x640/0x640 [ 454.699462] ? pvclock_read_flags+0x160/0x160 [ 454.703969] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 454.709527] ? check_preemption_disabled+0x48/0x280 [ 454.714559] ? __lock_is_held+0xb5/0x140 [ 454.718627] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 454.724172] ? check_preemption_disabled+0x48/0x280 [ 454.729206] run_timer_softirq+0x52/0xb0 [ 454.733274] ? rcu_read_lock_sched_held+0x14f/0x180 [ 454.738302] __do_softirq+0x308/0xb7e [ 454.742119] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 454.746617] ? lock_downgrade+0x900/0x900 [ 454.750780] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 454.755896] ? pvclock_read_flags+0x160/0x160 [ 454.760398] ? lapic_next_event+0x5a/0x90 [ 454.764560] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 454.770119] ? kvm_clock_read+0x18/0x30 [ 454.774114] ? kvm_sched_clock_read+0x9/0x20 [ 454.778535] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 454.784093] ? check_preemption_disabled+0x48/0x280 [ 454.789129] irq_exit+0x17f/0x1c0 [ 454.792592] smp_apic_timer_interrupt+0x1cb/0x760 [ 454.797444] ? smp_reschedule_interrupt+0x109/0x650 [ 454.802475] ? smp_call_function_single_interrupt+0x650/0x650 [ 454.808373] ? interrupt_entry+0xb5/0xc0 [ 454.812444] ? trace_hardirqs_off_caller+0xbb/0x310 [ 454.817487] ? trace_hardirqs_off_caller+0xbb/0x310 [ 454.822519] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 454.827377] ? trace_hardirqs_on_caller+0x310/0x310 [ 454.832404] ? trace_hardirqs_on_caller+0x310/0x310 [ 454.837430] ? task_prio+0x50/0x50 [ 454.840984] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 454.846530] ? check_preemption_disabled+0x48/0x280 [ 454.851562] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 454.856422] apic_timer_interrupt+0xf/0x20 [ 454.860653] [ 454.862901] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 454.867896] Code: 7e 0f 85 cf fe ff ff e8 66 cb 3d ff e9 c5 fe ff ff e8 0d 01 c3 ff 48 83 3d a5 49 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 42 f3 [ 454.886835] RSP: 0018:ffff888195497718 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 454.894575] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 454.901862] RDX: 0000000000000000 RSI: ffff8881d2488b40 RDI: 0000000000000282 [ 454.909145] RBP: ffff888195497780 R08: ffff8881d24882c0 R09: 0000000000000000 [ 454.916427] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 454.923711] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020 [ 454.931037] skb_clone+0x1bb/0x500 [ 454.934602] ? skb_split+0x11e0/0x11e0 [ 454.938500] ? check_preemption_disabled+0x48/0x280 [ 454.943534] ? __this_cpu_preempt_check+0x1c/0x20 [ 454.948384] ? __bpf_redirect+0x55b/0xb60 [ 454.952539] ? __switch_to_asm+0x34/0x70 [ 454.956606] ? __switch_to_asm+0x40/0x70 [ 454.960680] bpf_clone_redirect+0xb9/0x490 [ 454.964933] bpf_prog_3d1649e183dc2cc1+0xaf9/0x1000 [ 454.969977] ? __sched_text_start+0x8/0x8 [ 454.974153] ? find_held_lock+0x36/0x1c0 [ 454.978233] ? lock_acquire+0x1ed/0x520 [ 454.982221] ? bpf_test_run+0x3cb/0x780 [ 454.986204] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 454.991752] ? check_preemption_disabled+0x48/0x280 [ 454.996783] ? kasan_check_read+0x11/0x20 [ 455.000941] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 455.006225] ? rcu_softirq_qs+0x20/0x20 [ 455.010213] ? preempt_schedule+0x4d/0x60 [ 455.014366] ? ___preempt_schedule+0x16/0x18 [ 455.018792] ? bpf_test_run+0x25d/0x780 [ 455.022786] ? netlink_diag_dump+0x2a0/0x2a0 [ 455.027207] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 455.032750] ? bpf_test_init.isra.10+0x70/0x100 [ 455.037437] ? bpf_prog_test_run_skb+0x73b/0xd10 [ 455.042210] ? bpf_test_finish.isra.9+0x260/0x260 [ 455.047059] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 455.052610] ? fput+0x130/0x1a0 [ 455.055897] ? __bpf_prog_get+0x9b/0x290 [ 455.059986] ? bpf_test_finish.isra.9+0x260/0x260 [ 455.064853] ? bpf_prog_test_run+0x130/0x1a0 [ 455.069273] ? __x64_sys_bpf+0x3db/0x520 [ 455.073366] ? bpf_prog_get+0x20/0x20 [ 455.077212] ? do_syscall_64+0x1b9/0x820 [ 455.081280] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 455.086656] ? syscall_return_slowpath+0x5e0/0x5e0 [ 455.091595] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 455.096448] ? trace_hardirqs_on_caller+0x310/0x310 [ 455.101475] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 455.106506] ? prepare_exit_to_usermode+0x291/0x3b0 [ 455.111537] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 455.116395] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 455.121802] CPU: 0 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #167 [ 455.121846] rcu: INFO: rcu_preempt self-detected stall on CPU [ 455.128842] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 455.128851] Call Trace: [ 455.135007] rcu: 1-...!: (143 ticks this GP) idle=de6/1/0x4000000000000004 softirq=26152/26154 fqs=2 [ 455.144085] [ 455.144110] dump_stack+0x244/0x39d [ 455.144126] ? dump_stack_print_info.cold.1+0x20/0x20 [ 455.144148] warn_alloc.cold.116+0xb7/0x1bd [ 455.144161] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 455.144176] ? lock_downgrade+0x900/0x900 [ 455.144194] ? trace_hardirqs_off+0xb8/0x310 [ 455.144210] ? trace_hardirqs_off+0xb8/0x310 [ 455.144231] __alloc_pages_slowpath+0x2651/0x2de0 [ 455.144271] ? warn_alloc+0x120/0x120 [ 455.144287] ? print_usage_bug+0xc0/0xc0 [ 455.144302] ? warn_alloc+0x120/0x120 [ 455.144320] ? warn_alloc+0x120/0x120 [ 455.144335] ? print_usage_bug+0xc0/0xc0 [ 455.147159] rcu: (t=10733 jiffies g=35097 q=21) [ 455.156611] ? enqueue_hrtimer+0x1a5/0x560 [ 455.158766] rcu: rcu_preempt kthread starved for 10670 jiffies! g35097 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 455.162408] ? print_usage_bug+0xc0/0xc0 [ 455.167574] rcu: RCU grace-period kthread stack dump: [ 455.171888] ? __lock_acquire+0x62f/0x4c20 [ 455.176704] rcu_preempt R running task 22392 10 2 0x80000000 [ 455.181337] ? __lock_acquire+0x62f/0x4c20 [ 455.185725] Call Trace: [ 455.190145] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 455.194973] __schedule+0x8cf/0x21d0 [ 455.198758] ? should_fail+0x22d/0xd01 [ 455.202811] ? __sched_text_start+0x8/0x8 [ 455.206593] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 455.210385] ? add_timer_on+0xa20/0xa20 [ 455.214425] ? __lock_acquire+0x62f/0x4c20 [ 455.219255] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 455.223479] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 455.233955] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 455.238003] ? __lock_acquire+0x62f/0x4c20 [ 455.243179] ? trace_hardirqs_on+0xbd/0x310 [ 455.247399] ? should_fail+0x22d/0xd01 [ 455.254578] ? kasan_check_read+0x11/0x20 [ 455.258802] ? mark_held_locks+0x130/0x130 [ 455.261369] ? prepare_to_swait_event+0x25a/0x800 [ 455.266893] ? mark_held_locks+0x130/0x130 [ 455.270594] ? trace_hardirqs_off_caller+0x310/0x310 [ 455.274471] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 455.278604] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 455.283717] ? ktime_get+0x2c1/0x400 [ 455.287683] schedule+0xfe/0x460 [ 455.291911] ? zap_class+0x640/0x640 [ 455.297002] ? __schedule+0x21d0/0x21d0 [ 455.302099] ? print_usage_bug+0xc0/0xc0 [ 455.307190] ? prepare_to_swait_event+0x25a/0x800 [ 455.311414] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 455.315726] ? __init_swait_queue_head+0x150/0x150 [ 455.319596] ? check_preemption_disabled+0x48/0x280 [ 455.323732] ? __lockdep_init_map+0x105/0x590 [ 455.327957] ? __lock_is_held+0xb5/0x140 [ 455.332783] ? lockdep_init_map+0x9/0x10 [ 455.337008] __alloc_pages_nodemask+0xad8/0xea0 [ 455.342102] schedule_timeout+0x140/0x260 [ 455.347129] ? zap_class+0x640/0x640 [ 455.352221] ? usleep_range+0x1a0/0x1a0 [ 455.355941] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 455.359297] ? __next_timer_interrupt+0x1a0/0x1a0 [ 455.363003] ? find_held_lock+0x36/0x1c0 [ 455.366993] rcu_gp_fqs_loop+0x762/0xa80 [ 455.371035] ? ____cache_alloc_node+0x1c7/0x1e0 [ 455.375868] ? rcu_gp_fqs_check_wake+0x170/0x170 [ 455.381391] ? lock_downgrade+0x900/0x900 [ 455.386313] ? trace_hardirqs_off_caller+0x310/0x310 [ 455.391322] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 455.395837] ? perf_trace_sched_process_exec+0x860/0x860 [ 455.399890] cache_grow_begin+0xa5/0x8c0 [ 455.403985] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 455.409678] ? do_raw_spin_unlock+0xa7/0x330 [ 455.413817] ? rcu_gp_init+0x90b/0x1260 [ 455.417519] fallback_alloc+0x204/0x2e0 [ 455.421474] ? __switch_to_asm+0x40/0x70 [ 455.426485] ____cache_alloc_node+0x1c7/0x1e0 [ 455.431314] ? dump_blkd_tasks.isra.48+0xe0/0xe0 [ 455.435365] kmem_cache_alloc_node+0xe3/0x730 [ 455.439410] ? __switch_to_asm+0x40/0x70 [ 455.444070] ? ipv6_get_ifaddr+0x42e/0x620 [ 455.448819] ? find_held_lock+0x36/0x1c0 [ 455.452992] __alloc_skb+0x119/0x770 [ 455.458085] ? zap_class+0x640/0x640 [ 455.463605] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 455.469051] ? prepare_to_swait_event+0x25a/0x800 [ 455.473103] ? netdev_alloc_frag+0x1f0/0x1f0 [ 455.478631] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 455.483067] ? lock_downgrade+0x900/0x900 [ 455.487049] ? find_held_lock+0x36/0x1c0 [ 455.491028] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 455.495108] ? finish_swait+0x25d/0x430 [ 455.499583] ? refcount_sub_and_test_checked+0x203/0x310 [ 455.504324] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 455.508803] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 455.512852] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 455.517072] ? addrconf_rs_timer+0x690/0x690 [ 455.521146] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 455.524856] ndisc_alloc_skb+0x144/0x340 [ 455.528549] ? trace_hardirqs_on+0xbd/0x310 [ 455.533811] ndisc_send_rs+0x331/0x6e0 [ 455.538639] ? kasan_check_read+0x11/0x20 [ 455.543040] addrconf_rs_timer+0x314/0x690 [ 455.548130] ? trace_hardirqs_off_caller+0x310/0x310 [ 455.552262] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 455.556311] ? __init_swait_queue_head+0x150/0x150 [ 455.561840] call_timer_fn+0x272/0x920 [ 455.565800] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 455.571233] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 455.576325] ? finish_swait+0x25d/0x430 [ 455.581778] ? process_timeout+0x40/0x40 [ 455.586894] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 455.591291] ? mark_held_locks+0xc7/0x130 [ 455.595855] ? swake_up_locked+0x360/0x360 [ 455.599914] ? _raw_spin_unlock_irq+0x27/0x80 [ 455.604221] ? trace_hardirqs_off_caller+0x310/0x310 [ 455.608098] ? _raw_spin_unlock_irq+0x27/0x80 [ 455.612237] ? perf_trace_sched_process_exec+0x860/0x860 [ 455.616465] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 455.621558] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 455.625782] ? lockdep_hardirqs_on+0x296/0x5b0 [ 455.630701] rcu_gp_kthread+0x341/0xc70 [ 455.634571] ? trace_hardirqs_on+0xbd/0x310 [ 455.639665] ? rcu_gp_init+0x1260/0x1260 [ 455.643881] ? kasan_check_read+0x11/0x20 [ 455.647842] ? mark_held_locks+0x130/0x130 [ 455.651892] ? __run_timers+0x7da/0xc70 [ 455.656465] ? __schedule+0x168a/0x21d0 [ 455.660604] ? trace_hardirqs_off_caller+0x310/0x310 [ 455.664836] ? _raw_spin_unlock_irq+0x27/0x80 [ 455.669319] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 455.674425] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 455.678907] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 455.684340] ? trace_hardirqs_on+0xbd/0x310 [ 455.688555] __run_timers+0x7e5/0xc70 [ 455.694089] ? kasan_check_read+0x11/0x20 [ 455.698660] ? timer_fixup_init+0x70/0x70 [ 455.702617] ? __schedule+0x168a/0x21d0 [ 455.706940] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 455.710985] ? trace_hardirqs_off_caller+0x310/0x310 [ 455.715117] ? zap_class+0x640/0x640 [ 455.719332] ? lock_pin_lock+0x350/0x350 [ 455.723290] ? print_usage_bug+0xc0/0xc0 [ 455.727249] ? _raw_spin_unlock_irq+0x60/0x80 [ 455.732331] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 455.736809] ? __schedule+0x168a/0x21d0 [ 455.741059] ? find_held_lock+0x36/0x1c0 [ 455.745642] ? __switch_to_asm+0x40/0x70 [ 455.749866] ? zap_class+0x640/0x640 [ 455.754187] ? __switch_to_asm+0x40/0x70 [ 455.757975] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 455.762111] ? show_schedstat+0x561/0xf30 [ 455.766257] ? check_preemption_disabled+0x48/0x280 [ 455.770233] ? __sched_text_start+0x8/0x8 [ 455.775247] ? __lock_is_held+0xb5/0x140 [ 455.780336] ? find_held_lock+0x36/0x1c0 [ 455.784038] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 455.788095] ? __kthread_parkme+0xce/0x1a0 [ 455.792136] ? check_preemption_disabled+0x48/0x280 [ 455.796631] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 455.801806] run_timer_softirq+0x52/0xb0 [ 455.805765] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 455.809812] ? rcu_read_lock_sched_held+0x14f/0x180 [ 455.813858] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 455.817570] __do_softirq+0x308/0xb7e [ 455.821633] ? trace_hardirqs_on+0xbd/0x310 [ 455.827171] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 455.831321] ? kasan_check_read+0x11/0x20 [ 455.836321] ? lock_downgrade+0x900/0x900 [ 455.840451] ? __kthread_parkme+0xce/0x1a0 [ 455.840483] ? trace_hardirqs_off_caller+0x310/0x310 [ 455.844540] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 455.848591] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 455.854113] ? pvclock_read_flags+0x160/0x160 [ 455.858331] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 455.863334] ? lapic_next_event+0x5a/0x90 [ 455.868432] ? __kthread_parkme+0xfb/0x1a0 [ 455.872483] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 455.877585] ? rcu_gp_init+0x1260/0x1260 [ 455.882598] ? kvm_clock_read+0x18/0x30 [ 455.887164] kthread+0x35a/0x440 [ 455.890970] ? kvm_sched_clock_read+0x9/0x20 [ 455.895276] ? kthread_stop+0x900/0x900 [ 455.899770] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 455.903897] ret_from_fork+0x3a/0x50 [ 455.908031] ? check_preemption_disabled+0x48/0x280 [ 455.912256] NMI backtrace for cpu 1 [ 455.917337] irq_exit+0x17f/0x1c0 [ 455.992380] smp_apic_timer_interrupt+0x1cb/0x760 [ 455.997226] ? smp_reschedule_interrupt+0x109/0x650 [ 456.002244] ? smp_call_function_single_interrupt+0x650/0x650 [ 456.008134] ? interrupt_entry+0xb5/0xc0 [ 456.012215] ? trace_hardirqs_off_caller+0xbb/0x310 [ 456.017250] ? trace_hardirqs_off_caller+0xbb/0x310 [ 456.022273] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 456.027149] ? trace_hardirqs_on_caller+0x310/0x310 [ 456.032161] ? trace_hardirqs_on_caller+0x310/0x310 [ 456.037193] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 456.042042] apic_timer_interrupt+0xf/0x20 [ 456.046277] [ 456.048518] RIP: 0010:dump_stack+0x358/0x39d [ 456.052925] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 f1 36 ed f9 48 83 3d f9 27 7c 01 00 0f 84 63 fe ff ff e8 6e b7 a9 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b b7 a9 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 456.071825] RSP: 0000:ffff8881bb40e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 456.079559] RAX: ffff8881c2208180 RBX: 1ffffffff12a3f6e RCX: 1ffff1103844114e [ 456.086823] RDX: 0000000000000000 RSI: ffffffff87d5d382 RDI: 0000000000000293 [ 456.094098] RBP: ffff8881bb40e290 R08: ffff8881c2208a70 R09: 0000000000000006 [ 456.101364] R10: 0000000000000000 R11: ffff8881c2208180 R12: 1ffff11037681c45 [ 456.108633] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 456.115937] ? dump_stack+0x34f/0x39d [ 456.119767] ? dump_stack_print_info.cold.1+0x20/0x20 [ 456.124964] ? mark_held_locks+0x130/0x130 [ 456.129205] ? mark_held_locks+0x130/0x130 [ 456.133450] dump_header+0x27b/0xf72 [ 456.137178] ? pagefault_out_of_memory+0x197/0x197 [ 456.142121] ? __lock_acquire+0x62f/0x4c20 [ 456.146359] ? percpu_ref_get_many+0x240/0x240 [ 456.150942] ? print_usage_bug+0xc0/0xc0 [ 456.155023] ? zap_class+0x640/0x640 [ 456.158742] ? print_usage_bug+0xc0/0xc0 [ 456.162817] ? print_usage_bug+0xc0/0xc0 [ 456.166882] ? zap_class+0x640/0x640 [ 456.170603] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 456.176145] ? find_held_lock+0x36/0x1c0 [ 456.180357] ? mark_held_locks+0xc7/0x130 [ 456.184512] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 456.189617] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 456.194725] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 456.199311] ? trace_hardirqs_on+0xbd/0x310 [ 456.203631] ? kasan_check_read+0x11/0x20 [ 456.207781] ? ___ratelimit+0x3b4/0x672 [ 456.211760] ? trace_hardirqs_off_caller+0x310/0x310 [ 456.216864] ? trace_hardirqs_on+0x310/0x310 [ 456.221271] ? lock_downgrade+0x900/0x900 [ 456.225427] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 456.230538] ? ___ratelimit+0x3b9/0x672 [ 456.234515] ? idr_get_free+0xf70/0xf70 [ 456.238491] ? find_held_lock+0x36/0x1c0 [ 456.242563] oom_kill_process.cold.27+0x10/0x903 [ 456.247320] ? zap_class+0x640/0x640 [ 456.251034] ? check_preemption_disabled+0x48/0x280 [ 456.256052] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 456.260993] ? kasan_check_read+0x11/0x20 [ 456.265144] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 456.270425] ? oom_evaluate_task+0x540/0x540 [ 456.274840] ? find_held_lock+0x36/0x1c0 [ 456.278913] ? out_of_memory+0x974/0x1430 [ 456.283116] ? lock_downgrade+0x900/0x900 [ 456.287268] ? check_preemption_disabled+0x48/0x280 [ 456.292287] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 456.297220] ? kasan_check_read+0x11/0x20 [ 456.301365] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 456.306642] ? rcu_softirq_qs+0x20/0x20 [ 456.310624] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 456.316152] ? oom_evaluate_task+0x302/0x540 [ 456.320566] out_of_memory+0xa84/0x1430 [ 456.324552] ? oom_killer_disable+0x3a0/0x3a0 [ 456.329048] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 456.334015] ? __ww_mutex_check_waiters+0x160/0x160 [ 456.339046] __alloc_pages_slowpath+0x232c/0x2de0 [ 456.343928] ? warn_alloc+0x120/0x120 [ 456.347730] ? mark_held_locks+0x130/0x130 [ 456.351973] ? find_get_entry+0xaae/0x1120 [ 456.356219] ? filemap_map_pages+0x1a20/0x1a20 [ 456.360812] ? zap_class+0x640/0x640 [ 456.364533] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 456.370086] ? check_preemption_disabled+0x48/0x280 [ 456.375112] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 456.380651] ? should_fail+0x22d/0xd01 [ 456.384545] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 456.389707] ? zap_class+0x640/0x640 [ 456.393451] ? __lock_is_held+0xb5/0x140 [ 456.397525] ? mark_held_locks+0x130/0x130 [ 456.401764] ? lock_release+0xa00/0xa00 [ 456.405740] ? perf_trace_sched_process_exec+0x860/0x860 [ 456.411192] ? xa_load+0x2ba/0x460 [ 456.414741] ? lock_downgrade+0x900/0x900 [ 456.418897] ? __might_sleep+0x95/0x190 [ 456.422881] __alloc_pages_nodemask+0xad8/0xea0 [ 456.427563] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 456.432580] ? __page_cache_alloc+0x191/0x5c0 [ 456.437091] ? xa_load+0x2e1/0x460 [ 456.440634] ? xa_clear_mark+0x40/0x40 [ 456.444524] ? zap_class+0x640/0x640 [ 456.448249] ? zap_class+0x640/0x640 [ 456.451965] ? zap_class+0x640/0x640 [ 456.455683] ? __do_page_cache_readahead+0x663/0x810 [ 456.460799] ? find_held_lock+0x36/0x1c0 [ 456.464865] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 456.470410] alloc_pages_current+0x173/0x350 [ 456.474830] __page_cache_alloc+0x38c/0x5c0 [ 456.479154] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 456.484094] ? kasan_check_read+0x11/0x20 [ 456.488241] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 456.493524] ? generic_perform_write+0x6a0/0x6a0 [ 456.498286] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 456.503825] ? check_preemption_disabled+0x48/0x280 [ 456.508869] filemap_fault+0x1595/0x25f0 [ 456.512944] ? __lock_page_or_retry+0xa00/0xa00 [ 456.517616] ? mark_held_locks+0x130/0x130 [ 456.521874] ? filemap_map_pages+0xd6b/0x1a20 [ 456.526382] ? lock_downgrade+0x900/0x900 [ 456.530531] ? check_preemption_disabled+0x48/0x280 [ 456.535549] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 456.540478] ? kasan_check_read+0x11/0x20 [ 456.544627] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 456.549904] ? rcu_softirq_qs+0x20/0x20 [ 456.553896] ? filemap_map_pages+0xd92/0x1a20 [ 456.558404] ? find_get_entries_tag+0x1400/0x1400 [ 456.563261] ? debug_object_destroy+0x2b0/0x2b0 [ 456.567947] ? lock_pi_update_atomic+0x150/0x150 [ 456.572706] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 456.578258] ? lock_acquire+0x1ed/0x520 [ 456.582233] ? ext4_filemap_fault+0x7a/0xad [ 456.586565] ? lock_release+0xa00/0xa00 [ 456.590537] ? perf_trace_sched_process_exec+0x860/0x860 [ 456.595987] ? print_usage_bug+0xc0/0xc0 [ 456.600048] ? print_usage_bug+0xc0/0xc0 [ 456.604144] ? down_read+0x8d/0x120 [ 456.607785] ? ext4_filemap_fault+0x7a/0xad [ 456.612116] ? __down_interruptible+0x700/0x700 [ 456.616795] ext4_filemap_fault+0x82/0xad [ 456.620945] __do_fault+0x100/0x6b0 [ 456.624576] ? find_held_lock+0x36/0x1c0 [ 456.628646] ? pmd_devmap_trans_unstable+0x220/0x220 [ 456.633757] ? mark_held_locks+0x130/0x130 [ 456.637993] ? mark_held_locks+0x130/0x130 [ 456.642231] ? debug_smp_processor_id+0x1c/0x20 [ 456.646900] ? perf_trace_lock+0x14d/0x7a0 [ 456.651147] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 456.656691] __handle_mm_fault+0x3ea0/0x5be0 [ 456.661119] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 456.665978] ? lock_is_held_type+0x210/0x210 [ 456.670408] ? __switch_to_asm+0x34/0x70 [ 456.674483] ? __switch_to_asm+0x34/0x70 [ 456.678562] ? zap_class+0x640/0x640 [ 456.682277] ? zap_class+0x640/0x640 [ 456.685993] ? __x64_sys_futex+0x53e/0x6a0 [ 456.690234] ? find_held_lock+0x36/0x1c0 [ 456.694305] ? handle_mm_fault+0x42a/0xc70 [ 456.698546] ? lock_downgrade+0x900/0x900 [ 456.702700] ? check_preemption_disabled+0x48/0x280 [ 456.707733] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 456.712661] ? kasan_check_read+0x11/0x20 [ 456.716810] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 456.722111] ? rcu_softirq_qs+0x20/0x20 [ 456.726106] ? trace_hardirqs_off_caller+0x310/0x310 [ 456.731224] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 456.736763] ? check_preemption_disabled+0x48/0x280 [ 456.741788] handle_mm_fault+0x54f/0xc70 [ 456.745852] ? __handle_mm_fault+0x5be0/0x5be0 [ 456.750447] ? find_vma+0x34/0x190 [ 456.753995] __do_page_fault+0x5e8/0xe60 [ 456.758054] ? trace_hardirqs_off+0xb8/0x310 [ 456.762486] do_page_fault+0xf2/0x7e0 [ 456.766287] ? vmalloc_sync_all+0x30/0x30 [ 456.770446] ? error_entry+0x70/0xd0 [ 456.774163] ? trace_hardirqs_off_caller+0xbb/0x310 [ 456.779183] ? trace_hardirqs_on_caller+0xc0/0x310 [ 456.784115] ? syscall_return_slowpath+0x5e0/0x5e0 [ 456.789046] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 456.793897] ? trace_hardirqs_on_caller+0x310/0x310 [ 456.798917] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 456.804372] ? prepare_exit_to_usermode+0x291/0x3b0 [ 456.809409] ? page_fault+0x8/0x30 [ 456.812955] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 456.817804] ? page_fault+0x8/0x30 [ 456.821346] page_fault+0x1e/0x30 [ 456.824797] RIP: 0033:0x45ddf3 [ 456.828018] Code: Bad RIP value. [ 456.831380] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 456.836742] RAX: ffffffffffffff92 RBX: 0000000028898d51 RCX: 000000000045ddf3 [ 456.844010] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014f1120 [ 456.851275] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 456.858541] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 456.865815] R13: 000000c42841fe60 R14: 0000000000000001 R15: 0000000000000000 [ 456.873124] CPU: 1 PID: 16798 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #167 [ 456.873129] warn_alloc_show_mem: 1 callbacks suppressed [ 456.873136] Mem-Info: [ 456.880496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 456.885863] active_anon:45985 inactive_anon:296 isolated_anon:0 [ 456.885863] active_file:15 inactive_file:8 isolated_file:0 [ 456.885863] unevictable:0 dirty:0 writeback:0 unstable:0 [ 456.885863] slab_reclaimable:9236 slab_unreclaimable:1461135 [ 456.885863] mapped:40979 shmem:353 pagetables:587 bounce:0 [ 456.885863] free:13771 free_pcp:249 free_cma:0 [ 456.888235] Call Trace: [ 456.897627] Node 0 active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1412kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 456.930396] [ 456.932969] 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 [ 456.960648] dump_stack+0x244/0x39d [ 456.962776] lowmem_reserve[]: 0 2818 6321 6321 [ 456.988901] ? dump_stack_print_info.cold.1+0x20/0x20 [ 456.992498] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:404kB local_pcp:156kB free_cma:0kB [ 456.997082] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 457.002233] lowmem_reserve[]: 0 0 3503 3503 [ 457.029763] ? do_raw_spin_lock+0x14f/0x350 [ 457.035290] Node 0 Normal free:14000kB min:37364kB low:46704kB high:56044kB active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2348kB bounce:0kB free_pcp:592kB local_pcp:388kB free_cma:0kB [ 457.039609] nmi_cpu_backtrace.cold.2+0x5c/0xa1 [ 457.043894] lowmem_reserve[]: 0 0 0 0 [ 457.072886] ? lapic_can_unplug_cpu.cold.27+0x3f/0x3f [ 457.077533] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 457.081332] nmi_trigger_cpumask_backtrace+0x1e8/0x22a [ 457.086493] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 2*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 457.100017] arch_trigger_cpumask_backtrace+0x14/0x20 [ 457.105267] Node 0 Normal: 794*4kB (MEH) 441*8kB (UMEH) 176*16kB (UME) 69*32kB (UMEH) 18*64kB (UM) 1*128kB (U) 2*256kB (U) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14032kB [ 457.120354] rcu_dump_cpu_stacks+0x16f/0x1bc [ 457.125525] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 457.140959] print_cpu_stall.cold.67+0x1f3/0x3c7 [ 457.145368] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 457.154210] ? print_other_cpu_stall+0x160/0x160 [ 457.158935] 376 total pagecache pages [ 457.167512] ? print_usage_bug+0xc0/0xc0 [ 457.172248] 0 pages in swap cache [ 457.176038] ? kasan_check_read+0x11/0x20 [ 457.180550] Swap cache stats: add 0, delete 0, find 0/0 [ 457.180559] Free swap = 0kB [ 457.184011] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 457.188146] Total swap = 0kB [ 457.193506] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 457.196547] 1965979 pages RAM [ 457.202087] ? do_trace_rcu_torture_read+0x10/0x10 [ 457.205103] 0 pages HighMem/MovableOnly [ 457.210638] ? rcu_preempt_need_deferred_qs+0x74/0x1f0 [ 457.213711] 342854 pages reserved [ 457.213719] 0 pages cma reserved [ 457.218647] ? __lock_is_held+0xb5/0x140 [ 457.222659] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 457.227868] ? __rcu_read_lock+0x50/0x50 [ 457.227884] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 457.227900] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 457.231388] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 457.234694] ? check_preemption_disabled+0x48/0x280 [ 457.238728] syz-fuzzer cpuset=/ mems_allowed=0 [ 457.245216] rcu_check_callbacks+0xf3b/0x13f0 [ 457.285060] ? rcutree_dead_cpu+0x10/0x10 [ 457.289224] ? lock_downgrade+0x900/0x900 [ 457.293376] ? lock_release+0x970/0xa00 [ 457.297368] ? zap_class+0x640/0x640 [ 457.301108] ? mark_held_locks+0x130/0x130 [ 457.305373] ? zap_class+0x640/0x640 [ 457.309100] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 457.314706] ? pvclock_gtod_notify+0x2e3/0x3e0 [ 457.319293] ? kvm_set_tsc_khz+0x540/0x540 [ 457.323542] ? warn_alloc.cold.116+0xd1/0x1bd [ 457.328050] ? find_held_lock+0x36/0x1c0 [ 457.332130] ? zap_class+0x640/0x640 [ 457.335846] ? timekeeping_advance+0x3cc/0xc00 [ 457.340440] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 457.345980] ? check_preemption_disabled+0x48/0x280 [ 457.351006] ? trace_hardirqs_off+0xb8/0x310 [ 457.355415] ? __lock_is_held+0xb5/0x140 [ 457.359478] ? trace_hardirqs_on+0x310/0x310 [ 457.363892] ? check_preemption_disabled+0x48/0x280 [ 457.368917] ? raise_softirq+0x199/0x420 [ 457.372999] ? raise_softirq_irqoff+0x2e0/0x2e0 [ 457.377686] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 457.383236] ? check_preemption_disabled+0x48/0x280 [ 457.388261] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 457.393818] ? hrtimer_run_queues+0x9a/0x400 [ 457.398233] ? run_local_timers+0x19b/0x230 [ 457.402557] ? timer_clear_idle+0x90/0x90 [ 457.406711] ? debug_smp_processor_id+0x1c/0x20 [ 457.411389] ? irqtime_account_process_tick.isra.6+0x114/0x490 [ 457.417370] ? account_process_tick+0x282/0x350 [ 457.422062] update_process_times+0x2d/0x70 [ 457.426409] tick_sched_handle+0x9f/0x180 [ 457.430560] tick_sched_timer+0x45/0x130 [ 457.434625] __hrtimer_run_queues+0x41c/0x10d0 [ 457.439216] ? tick_sched_do_timer+0x1a0/0x1a0 [ 457.443809] ? hrtimer_start_range_ns+0xe00/0xe00 [ 457.448668] ? pvclock_read_flags+0x160/0x160 [ 457.453167] ? trace_hardirqs_on+0x310/0x310 [ 457.457587] ? kvm_clock_read+0x18/0x30 [ 457.461572] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 457.466590] ? ktime_get_update_offsets_now+0x3b3/0x540 [ 457.471969] ? do_timer+0x50/0x50 [ 457.475427] ? rwlock_bug.part.2+0x90/0x90 [ 457.479664] ? trace_hardirqs_on+0x310/0x310 [ 457.484082] ? rcu_softirq_qs+0x20/0x20 [ 457.488072] hrtimer_interrupt+0x313/0x780 [ 457.492344] smp_apic_timer_interrupt+0x1a1/0x760 [ 457.497195] ? smp_call_function_single_interrupt+0x650/0x650 [ 457.503090] ? interrupt_entry+0xb5/0xc0 [ 457.507161] ? trace_hardirqs_off_caller+0xbb/0x310 [ 457.512183] ? ____cache_alloc_node+0x1c7/0x1e0 [ 457.516860] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 457.521706] ? trace_hardirqs_on_caller+0x310/0x310 [ 457.526736] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 457.531589] apic_timer_interrupt+0xf/0x20 [ 457.535830] RIP: 0010:kmem_cache_alloc_node+0x247/0x730 [ 457.541198] Code: 3f 7e 0f 85 32 ff ff ff e8 15 eb 3d ff e9 28 ff ff ff e8 bc 20 c3 ff 48 83 3d 54 69 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 bf fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 42 f3 [ 457.560116] RSP: 0018:ffff8881daf07450 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 457.567836] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff1103a491171 [ 457.575114] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 457.582387] RBP: ffff8881daf074c0 R08: ffff8881d2488b88 R09: 0000000000000002 [ 457.589663] R10: 0000000000000000 R11: ffff8881d24882c0 R12: ffff8881d9beec00 [ 457.596951] R13: ffff8881d9beec00 R14: 0000000000000000 R15: 0000000000000282 [ 457.604240] ? apic_timer_interrupt+0xa/0x20 [ 457.608681] ? ipv6_get_ifaddr+0x42e/0x620 [ 457.612933] __alloc_skb+0x119/0x770 [ 457.616656] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 457.621944] ? netdev_alloc_frag+0x1f0/0x1f0 [ 457.626356] ? lock_downgrade+0x900/0x900 [ 457.630513] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 457.636058] ? refcount_sub_and_test_checked+0x203/0x310 [ 457.641523] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 457.646983] ? addrconf_rs_timer+0x690/0x690 [ 457.651407] ndisc_alloc_skb+0x144/0x340 [ 457.655479] ndisc_send_rs+0x331/0x6e0 [ 457.659380] addrconf_rs_timer+0x314/0x690 [ 457.663626] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 457.667875] call_timer_fn+0x272/0x920 [ 457.671776] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 457.676012] ? process_timeout+0x40/0x40 [ 457.680091] ? __run_timers+0x7da/0xc70 [ 457.684072] ? _raw_spin_unlock_irq+0x27/0x80 [ 457.688577] ? _raw_spin_unlock_irq+0x27/0x80 [ 457.693071] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 457.697322] ? lockdep_hardirqs_on+0x296/0x5b0 [ 457.701909] ? trace_hardirqs_on+0xbd/0x310 [ 457.706257] ? kasan_check_read+0x11/0x20 [ 457.710417] ? __run_timers+0x7da/0xc70 [ 457.714392] ? trace_hardirqs_off_caller+0x310/0x310 [ 457.719506] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 457.723745] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 457.727978] __run_timers+0x7e5/0xc70 [ 457.731790] ? timer_fixup_init+0x70/0x70 [ 457.735957] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 457.740978] ? zap_class+0x640/0x640 [ 457.744700] ? enqueue_hrtimer+0x1a5/0x560 [ 457.748935] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 457.754139] ? find_held_lock+0x36/0x1c0 [ 457.758207] ? zap_class+0x640/0x640 [ 457.761962] ? pvclock_read_flags+0x160/0x160 [ 457.766461] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 457.772007] ? check_preemption_disabled+0x48/0x280 [ 457.777037] ? __lock_is_held+0xb5/0x140 [ 457.781106] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 457.786644] ? check_preemption_disabled+0x48/0x280 [ 457.791667] run_timer_softirq+0x52/0xb0 [ 457.795730] ? rcu_read_lock_sched_held+0x14f/0x180 [ 457.800749] __do_softirq+0x308/0xb7e [ 457.804584] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 457.809086] ? lock_downgrade+0x900/0x900 [ 457.813245] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 457.818366] ? pvclock_read_flags+0x160/0x160 [ 457.822866] ? lapic_next_event+0x5a/0x90 [ 457.827019] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 457.832570] ? kvm_clock_read+0x18/0x30 [ 457.836544] ? kvm_sched_clock_read+0x9/0x20 [ 457.840964] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 457.846504] ? check_preemption_disabled+0x48/0x280 [ 457.851530] irq_exit+0x17f/0x1c0 [ 457.854991] smp_apic_timer_interrupt+0x1cb/0x760 [ 457.859833] ? smp_reschedule_interrupt+0x109/0x650 [ 457.864851] ? smp_call_function_single_interrupt+0x650/0x650 [ 457.870736] ? interrupt_entry+0xb5/0xc0 [ 457.874801] ? trace_hardirqs_off_caller+0xbb/0x310 [ 457.879818] ? trace_hardirqs_off_caller+0xbb/0x310 [ 457.884839] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 457.889687] ? trace_hardirqs_on_caller+0x310/0x310 [ 457.894703] ? trace_hardirqs_on_caller+0x310/0x310 [ 457.899719] ? task_prio+0x50/0x50 [ 457.903264] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 457.908805] ? check_preemption_disabled+0x48/0x280 [ 457.913831] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 457.918688] apic_timer_interrupt+0xf/0x20 [ 457.922918] [ 457.925164] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 457.930101] Code: 7e 0f 85 cf fe ff ff e8 66 cb 3d ff e9 c5 fe ff ff e8 0d 01 c3 ff 48 83 3d a5 49 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 42 f3 [ 457.949003] RSP: 0018:ffff888195497718 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 457.956714] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 457.963981] RDX: 0000000000000000 RSI: ffff8881d2488b40 RDI: 0000000000000282 [ 457.971252] RBP: ffff888195497780 R08: ffff8881d24882c0 R09: 0000000000000000 [ 457.978521] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 457.985791] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020 [ 457.993118] skb_clone+0x1bb/0x500 [ 457.996672] ? skb_split+0x11e0/0x11e0 [ 458.000561] ? check_preemption_disabled+0x48/0x280 [ 458.005585] ? __this_cpu_preempt_check+0x1c/0x20 [ 458.010427] ? __bpf_redirect+0x55b/0xb60 [ 458.014578] ? __switch_to_asm+0x34/0x70 [ 458.018636] ? __switch_to_asm+0x40/0x70 [ 458.022707] bpf_clone_redirect+0xb9/0x490 [ 458.026961] bpf_prog_3d1649e183dc2cc1+0xaf9/0x1000 [ 458.031988] ? __sched_text_start+0x8/0x8 [ 458.036156] ? find_held_lock+0x36/0x1c0 [ 458.040230] ? lock_acquire+0x1ed/0x520 [ 458.044207] ? bpf_test_run+0x3cb/0x780 [ 458.048186] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 458.053727] ? check_preemption_disabled+0x48/0x280 [ 458.058750] ? kasan_check_read+0x11/0x20 [ 458.062918] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 458.068203] ? rcu_softirq_qs+0x20/0x20 [ 458.072183] ? preempt_schedule+0x4d/0x60 [ 458.076335] ? ___preempt_schedule+0x16/0x18 [ 458.080778] ? bpf_test_run+0x25d/0x780 [ 458.084766] ? netlink_diag_dump+0x2a0/0x2a0 [ 458.089179] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 458.094723] ? bpf_test_init.isra.10+0x70/0x100 [ 458.099399] ? bpf_prog_test_run_skb+0x73b/0xd10 [ 458.104167] ? bpf_test_finish.isra.9+0x260/0x260 [ 458.109013] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 458.114552] ? fput+0x130/0x1a0 [ 458.117855] ? __bpf_prog_get+0x9b/0x290 [ 458.121937] ? bpf_test_finish.isra.9+0x260/0x260 [ 458.126787] ? bpf_prog_test_run+0x130/0x1a0 [ 458.131204] ? __x64_sys_bpf+0x3db/0x520 [ 458.135280] ? bpf_prog_get+0x20/0x20 [ 458.139112] ? do_syscall_64+0x1b9/0x820 [ 458.143182] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 458.148551] ? syscall_return_slowpath+0x5e0/0x5e0 [ 458.153481] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 458.158328] ? trace_hardirqs_on_caller+0x310/0x310 [ 458.163346] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 458.168400] ? prepare_exit_to_usermode+0x291/0x3b0 [ 458.173439] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 458.178298] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 458.183683] CPU: 0 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #167 [ 458.184089] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 458.190705] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 458.190710] Call Trace: [ 458.190715] [ 458.190735] dump_stack+0x244/0x39d [ 458.190754] ? dump_stack_print_info.cold.1+0x20/0x20 [ 458.197280] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 458.206582] warn_alloc.cold.116+0xb7/0x1bd [ 458.209139] syz-executor0 cpuset=syz0 mems_allowed=0 [ 458.211283] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 458.244771] ? lock_downgrade+0x900/0x900 [ 458.248931] ? trace_hardirqs_off+0xb8/0x310 [ 458.253345] ? trace_hardirqs_off+0xb8/0x310 [ 458.257767] __alloc_pages_slowpath+0x2651/0x2de0 [ 458.262640] ? warn_alloc+0x120/0x120 [ 458.266451] ? print_usage_bug+0xc0/0xc0 [ 458.270513] ? warn_alloc+0x120/0x120 [ 458.274321] ? warn_alloc+0x120/0x120 [ 458.278123] ? print_usage_bug+0xc0/0xc0 [ 458.282203] ? print_usage_bug+0xc0/0xc0 [ 458.286268] ? __lock_acquire+0x62f/0x4c20 [ 458.290512] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 458.296137] ? should_fail+0x22d/0xd01 [ 458.300032] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 458.305138] ? __lock_acquire+0x62f/0x4c20 [ 458.309377] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 458.314650] ? __lock_acquire+0x62f/0x4c20 [ 458.318882] ? should_fail+0x22d/0xd01 [ 458.322772] ? find_held_lock+0x36/0x1c0 [ 458.326840] ? mark_held_locks+0x130/0x130 [ 458.331089] ? mark_held_locks+0x130/0x130 [ 458.335322] ? zap_class+0x640/0x640 [ 458.339041] ? zap_class+0x640/0x640 [ 458.342762] ? print_usage_bug+0xc0/0xc0 [ 458.346824] ? do_raw_spin_unlock+0xa7/0x330 [ 458.351234] ? zap_class+0x640/0x640 [ 458.354980] ? print_usage_bug+0xc0/0xc0 [ 458.359054] ? wq_watchdog_touch+0x9c/0xfe [ 458.363301] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 458.368840] ? check_preemption_disabled+0x48/0x280 [ 458.373897] ? __lock_is_held+0xb5/0x140 [ 458.377996] __alloc_pages_nodemask+0xad8/0xea0 [ 458.382665] ? zap_class+0x640/0x640 [ 458.386388] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 458.391416] ? find_held_lock+0x36/0x1c0 [ 458.395495] ? ____cache_alloc_node+0x1c7/0x1e0 [ 458.400167] ? lock_downgrade+0x900/0x900 [ 458.404328] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 458.409875] cache_grow_begin+0xa5/0x8c0 [ 458.413934] ? do_raw_spin_unlock+0xa7/0x330 [ 458.418350] fallback_alloc+0x204/0x2e0 [ 458.422331] ____cache_alloc_node+0x1c7/0x1e0 [ 458.426836] kmem_cache_alloc_node+0xe3/0x730 [ 458.431352] ? ipv6_get_ifaddr+0x42e/0x620 [ 458.435595] __alloc_skb+0x119/0x770 [ 458.439309] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 458.444591] ? netdev_alloc_frag+0x1f0/0x1f0 [ 458.448999] ? lock_downgrade+0x900/0x900 [ 458.453159] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 458.458696] ? refcount_sub_and_test_checked+0x203/0x310 [ 458.464151] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 458.469606] ? addrconf_rs_timer+0x690/0x690 [ 458.474030] ndisc_alloc_skb+0x144/0x340 [ 458.478103] ndisc_send_rs+0x331/0x6e0 [ 458.481996] addrconf_rs_timer+0x314/0x690 [ 458.486241] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 458.490486] call_timer_fn+0x272/0x920 [ 458.494378] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 458.498616] ? process_timeout+0x40/0x40 [ 458.502689] ? mark_held_locks+0xc7/0x130 [ 458.506837] ? _raw_spin_unlock_irq+0x27/0x80 [ 458.511330] ? _raw_spin_unlock_irq+0x27/0x80 [ 458.515825] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 458.520062] ? lockdep_hardirqs_on+0x296/0x5b0 [ 458.524652] ? trace_hardirqs_on+0xbd/0x310 [ 458.528972] ? kasan_check_read+0x11/0x20 [ 458.533118] ? __run_timers+0x7da/0xc70 [ 458.537102] ? trace_hardirqs_off_caller+0x310/0x310 [ 458.542219] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 458.546464] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 458.550695] __run_timers+0x7e5/0xc70 [ 458.554508] ? timer_fixup_init+0x70/0x70 [ 458.558658] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 458.563677] ? zap_class+0x640/0x640 [ 458.567401] ? print_usage_bug+0xc0/0xc0 [ 458.571468] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 458.576664] ? find_held_lock+0x36/0x1c0 [ 458.580734] ? zap_class+0x640/0x640 [ 458.584465] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 458.590009] ? check_preemption_disabled+0x48/0x280 [ 458.595038] ? __lock_is_held+0xb5/0x140 [ 458.599107] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 458.604650] ? check_preemption_disabled+0x48/0x280 [ 458.609675] run_timer_softirq+0x52/0xb0 [ 458.613739] ? rcu_read_lock_sched_held+0x14f/0x180 [ 458.618760] __do_softirq+0x308/0xb7e [ 458.622567] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 458.627069] ? lock_downgrade+0x900/0x900 [ 458.631233] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 458.636347] ? pvclock_read_flags+0x160/0x160 [ 458.640849] ? lapic_next_event+0x5a/0x90 [ 458.645003] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 458.650548] ? kvm_clock_read+0x18/0x30 [ 458.654524] ? kvm_sched_clock_read+0x9/0x20 [ 458.658962] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 458.664505] ? check_preemption_disabled+0x48/0x280 [ 458.669536] irq_exit+0x17f/0x1c0 [ 458.672996] smp_apic_timer_interrupt+0x1cb/0x760 [ 458.677839] ? smp_reschedule_interrupt+0x109/0x650 [ 458.682861] ? smp_call_function_single_interrupt+0x650/0x650 [ 458.688755] ? interrupt_entry+0xb5/0xc0 [ 458.692818] ? trace_hardirqs_off_caller+0xbb/0x310 [ 458.697835] ? trace_hardirqs_off_caller+0xbb/0x310 [ 458.702889] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 458.707733] ? trace_hardirqs_on_caller+0x310/0x310 [ 458.712748] ? trace_hardirqs_on_caller+0x310/0x310 [ 458.717776] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 458.722629] apic_timer_interrupt+0xf/0x20 [ 458.726860] [ 458.729106] RIP: 0010:dump_stack+0x358/0x39d [ 458.733517] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 f1 36 ed f9 48 83 3d f9 27 7c 01 00 0f 84 63 fe ff ff e8 6e b7 a9 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b b7 a9 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 458.752422] RSP: 0000:ffff8881bb40e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 458.760136] RAX: ffff8881c2208180 RBX: 1ffffffff12a3f6e RCX: 1ffff1103844114e [ 458.767405] RDX: 0000000000000000 RSI: ffffffff87d5d382 RDI: 0000000000000293 [ 458.774679] RBP: ffff8881bb40e290 R08: ffff8881c2208a70 R09: 0000000000000006 [ 458.781957] R10: 0000000000000000 R11: ffff8881c2208180 R12: 1ffff11037681c45 [ 458.789239] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 458.796530] ? dump_stack+0x34f/0x39d [ 458.800345] ? dump_stack_print_info.cold.1+0x20/0x20 [ 458.805543] ? mark_held_locks+0x130/0x130 [ 458.809779] ? mark_held_locks+0x130/0x130 [ 458.814020] dump_header+0x27b/0xf72 [ 458.817747] ? pagefault_out_of_memory+0x197/0x197 [ 458.822687] ? __lock_acquire+0x62f/0x4c20 [ 458.826923] ? percpu_ref_get_many+0x240/0x240 [ 458.831510] ? print_usage_bug+0xc0/0xc0 [ 458.835576] ? zap_class+0x640/0x640 [ 458.839290] ? print_usage_bug+0xc0/0xc0 [ 458.843354] ? print_usage_bug+0xc0/0xc0 [ 458.847415] ? zap_class+0x640/0x640 [ 458.851142] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 458.856682] ? find_held_lock+0x36/0x1c0 [ 458.860753] ? mark_held_locks+0xc7/0x130 [ 458.864905] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 458.870009] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 458.875120] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 458.879708] ? trace_hardirqs_on+0xbd/0x310 [ 458.884029] ? kasan_check_read+0x11/0x20 [ 458.888179] ? ___ratelimit+0x3b4/0x672 [ 458.892154] ? trace_hardirqs_off_caller+0x310/0x310 [ 458.897262] ? trace_hardirqs_on+0x310/0x310 [ 458.901672] ? lock_downgrade+0x900/0x900 [ 458.905827] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 458.910937] ? ___ratelimit+0x3b9/0x672 [ 458.914918] ? idr_get_free+0xf70/0xf70 [ 458.918909] ? find_held_lock+0x36/0x1c0 [ 458.922992] oom_kill_process.cold.27+0x10/0x903 [ 458.927752] ? zap_class+0x640/0x640 [ 458.931482] ? check_preemption_disabled+0x48/0x280 [ 458.936519] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 458.941460] ? kasan_check_read+0x11/0x20 [ 458.945622] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 458.950910] ? oom_evaluate_task+0x540/0x540 [ 458.955371] ? find_held_lock+0x36/0x1c0 [ 458.959455] ? out_of_memory+0x974/0x1430 [ 458.963608] ? lock_downgrade+0x900/0x900 [ 458.967761] ? check_preemption_disabled+0x48/0x280 [ 458.972803] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 458.977748] ? kasan_check_read+0x11/0x20 [ 458.981898] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 458.987182] ? rcu_softirq_qs+0x20/0x20 [ 458.991169] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 458.996712] ? oom_evaluate_task+0x302/0x540 [ 459.001142] out_of_memory+0xa84/0x1430 [ 459.005164] ? oom_killer_disable+0x3a0/0x3a0 [ 459.009678] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 459.014617] ? __ww_mutex_check_waiters+0x160/0x160 [ 459.019652] __alloc_pages_slowpath+0x232c/0x2de0 [ 459.024530] ? warn_alloc+0x120/0x120 [ 459.028341] ? mark_held_locks+0x130/0x130 [ 459.032584] ? find_get_entry+0xaae/0x1120 [ 459.036831] ? filemap_map_pages+0x1a20/0x1a20 [ 459.041421] ? zap_class+0x640/0x640 [ 459.045154] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 459.050696] ? check_preemption_disabled+0x48/0x280 [ 459.055718] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 459.061260] ? should_fail+0x22d/0xd01 [ 459.065159] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 459.070267] ? zap_class+0x640/0x640 [ 459.074013] ? __lock_is_held+0xb5/0x140 [ 459.078093] ? mark_held_locks+0x130/0x130 [ 459.082340] ? lock_release+0xa00/0xa00 [ 459.086319] ? perf_trace_sched_process_exec+0x860/0x860 [ 459.091773] ? xa_load+0x2ba/0x460 [ 459.095316] ? lock_downgrade+0x900/0x900 [ 459.099488] ? __might_sleep+0x95/0x190 [ 459.103475] __alloc_pages_nodemask+0xad8/0xea0 [ 459.108160] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 459.113184] ? __page_cache_alloc+0x191/0x5c0 [ 459.117685] ? xa_load+0x2e1/0x460 [ 459.121227] ? xa_clear_mark+0x40/0x40 [ 459.125121] ? zap_class+0x640/0x640 [ 459.128846] ? zap_class+0x640/0x640 [ 459.132575] ? zap_class+0x640/0x640 [ 459.136293] ? __do_page_cache_readahead+0x663/0x810 [ 459.141417] ? find_held_lock+0x36/0x1c0 [ 459.145500] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 459.151050] alloc_pages_current+0x173/0x350 [ 459.155495] __page_cache_alloc+0x38c/0x5c0 [ 459.159834] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 459.164768] ? kasan_check_read+0x11/0x20 [ 459.168934] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 459.174221] ? generic_perform_write+0x6a0/0x6a0 [ 459.179484] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 459.185038] ? check_preemption_disabled+0x48/0x280 [ 459.190119] filemap_fault+0x1595/0x25f0 [ 459.194203] ? __lock_page_or_retry+0xa00/0xa00 [ 459.198881] ? mark_held_locks+0x130/0x130 [ 459.203147] ? filemap_map_pages+0xd6b/0x1a20 [ 459.207650] ? lock_downgrade+0x900/0x900 [ 459.211807] ? check_preemption_disabled+0x48/0x280 [ 459.216833] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 459.221768] ? kasan_check_read+0x11/0x20 [ 459.225920] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 459.231249] ? rcu_softirq_qs+0x20/0x20 [ 459.235272] ? filemap_map_pages+0xd92/0x1a20 [ 459.239785] ? find_get_entries_tag+0x1400/0x1400 [ 459.244637] ? debug_object_destroy+0x2b0/0x2b0 [ 459.249311] ? lock_pi_update_atomic+0x150/0x150 [ 459.254074] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 459.259642] ? lock_acquire+0x1ed/0x520 [ 459.263627] ? ext4_filemap_fault+0x7a/0xad [ 459.267965] ? lock_release+0xa00/0xa00 [ 459.271941] ? perf_trace_sched_process_exec+0x860/0x860 [ 459.277415] ? print_usage_bug+0xc0/0xc0 [ 459.281503] ? print_usage_bug+0xc0/0xc0 [ 459.285581] ? down_read+0x8d/0x120 [ 459.289209] ? ext4_filemap_fault+0x7a/0xad [ 459.293534] ? __down_interruptible+0x700/0x700 [ 459.298218] ext4_filemap_fault+0x82/0xad [ 459.302375] __do_fault+0x100/0x6b0 [ 459.306004] ? find_held_lock+0x36/0x1c0 [ 459.310074] ? pmd_devmap_trans_unstable+0x220/0x220 [ 459.315200] ? mark_held_locks+0x130/0x130 [ 459.319444] ? mark_held_locks+0x130/0x130 [ 459.323686] ? debug_smp_processor_id+0x1c/0x20 [ 459.328357] ? perf_trace_lock+0x14d/0x7a0 [ 459.332606] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 459.338158] __handle_mm_fault+0x3ea0/0x5be0 [ 459.342579] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 459.347436] ? lock_is_held_type+0x210/0x210 [ 459.351859] ? __switch_to_asm+0x34/0x70 [ 459.355923] ? __switch_to_asm+0x34/0x70 [ 459.360000] ? zap_class+0x640/0x640 [ 459.363716] ? zap_class+0x640/0x640 [ 459.367436] ? __x64_sys_futex+0x53e/0x6a0 [ 459.371684] ? find_held_lock+0x36/0x1c0 [ 459.375762] ? handle_mm_fault+0x42a/0xc70 [ 459.380008] ? lock_downgrade+0x900/0x900 [ 459.384161] ? check_preemption_disabled+0x48/0x280 [ 459.389184] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 459.394119] ? kasan_check_read+0x11/0x20 [ 459.398271] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 459.403553] ? rcu_softirq_qs+0x20/0x20 [ 459.407536] ? trace_hardirqs_off_caller+0x310/0x310 [ 459.412646] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 459.418193] ? check_preemption_disabled+0x48/0x280 [ 459.423224] handle_mm_fault+0x54f/0xc70 [ 459.427293] ? __handle_mm_fault+0x5be0/0x5be0 [ 459.431886] ? find_vma+0x34/0x190 [ 459.435435] __do_page_fault+0x5e8/0xe60 [ 459.439503] ? trace_hardirqs_off+0xb8/0x310 [ 459.443944] do_page_fault+0xf2/0x7e0 [ 459.447752] ? vmalloc_sync_all+0x30/0x30 [ 459.451907] ? error_entry+0x70/0xd0 [ 459.455626] ? trace_hardirqs_off_caller+0xbb/0x310 [ 459.460644] ? trace_hardirqs_on_caller+0xc0/0x310 [ 459.465577] ? syscall_return_slowpath+0x5e0/0x5e0 [ 459.470512] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 459.475365] ? trace_hardirqs_on_caller+0x310/0x310 [ 459.480388] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 459.485859] ? prepare_exit_to_usermode+0x291/0x3b0 [ 459.490892] ? page_fault+0x8/0x30 [ 459.494468] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 459.499327] ? page_fault+0x8/0x30 [ 459.502880] page_fault+0x1e/0x30 [ 459.506331] RIP: 0033:0x45ddf3 [ 459.509536] Code: Bad RIP value. [ 459.512912] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 459.518275] RAX: ffffffffffffff92 RBX: 0000000028898d51 RCX: 000000000045ddf3 [ 459.525547] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014f1120 [ 459.532831] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 459.540119] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 459.547392] R13: 000000c42841fe60 R14: 0000000000000001 R15: 0000000000000000 [ 459.554695] CPU: 1 PID: 16798 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #167 [ 459.554697] Mem-Info: [ 459.554729] active_anon:45985 inactive_anon:296 isolated_anon:0 [ 459.554729] active_file:15 inactive_file:8 isolated_file:0 [ 459.554729] unevictable:0 dirty:0 writeback:0 unstable:0 [ 459.554729] slab_reclaimable:9236 slab_unreclaimable:1461135 [ 459.554729] mapped:40979 shmem:353 pagetables:587 bounce:0 [ 459.554729] free:13771 free_pcp:249 free_cma:0 [ 459.562069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 459.562086] Call Trace: [ 459.564564] Node 0 active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1412kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 459.597340] [ 459.606697] 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 [ 459.609285] dump_stack+0x244/0x39d [ 459.636937] lowmem_reserve[]: 0 2818 6321 6321 [ 459.639112] ? dump_stack_print_info.cold.1+0x20/0x20 [ 459.665201] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:404kB local_pcp:156kB free_cma:0kB [ 459.668844] warn_alloc.cold.116+0xb7/0x1bd [ 459.673382] lowmem_reserve[]: 0 0 3503 3503 [ 459.678582] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 459.706063] Node 0 Normal free:14000kB min:37364kB low:46704kB high:56044kB active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2348kB bounce:0kB free_pcp:592kB local_pcp:388kB free_cma:0kB [ 459.710409] ? lock_downgrade+0x900/0x900 [ 459.714705] lowmem_reserve[]: 0 0 0 0 [ 459.719554] ? trace_hardirqs_off+0xb8/0x310 [ 459.748611] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 459.752800] ? trace_hardirqs_off+0xb8/0x310 [ 459.756567] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 2*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 459.760990] __alloc_pages_slowpath+0x2651/0x2de0 [ 459.774496] Node 0 Normal: 794*4kB (MEH) 441*8kB (UMEH) 176*16kB (UME) 69*32kB (UMEH) 18*64kB (UM) 1*128kB (U) 2*256kB (U) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14032kB [ 459.778959] ? warn_alloc+0x120/0x120 [ 459.794014] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 459.798886] ? print_usage_bug+0xc0/0xc0 [ 459.814328] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 459.818123] ? warn_alloc+0x120/0x120 [ 459.826935] 376 total pagecache pages [ 459.831011] ? warn_alloc+0x120/0x120 [ 459.839566] 0 pages in swap cache [ 459.843359] ? print_usage_bug+0xc0/0xc0 [ 459.847138] Swap cache stats: add 0, delete 0, find 0/0 [ 459.850979] ? print_usage_bug+0xc0/0xc0 [ 459.854406] Free swap = 0kB [ 459.858461] ? __lock_acquire+0x62f/0x4c20 [ 459.863798] Total swap = 0kB [ 459.867852] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 459.870839] 1965979 pages RAM [ 459.875090] ? should_fail+0x22d/0xd01 [ 459.878089] 0 pages HighMem/MovableOnly [ 459.883617] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 459.886714] 342854 pages reserved [ 459.890613] ? __lock_acquire+0x62f/0x4c20 [ 459.894566] 0 pages cma reserved [ 459.899663] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 459.903217] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 459.907397] ? __lock_acquire+0x62f/0x4c20 [ 459.907413] ? should_fail+0x22d/0xd01 [ 459.910861] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 459.915870] ? find_held_lock+0x36/0x1c0 [ 459.922341] syz-fuzzer cpuset=/ mems_allowed=0 [ 459.926572] ? mark_held_locks+0x130/0x130 [ 459.953475] ? mark_held_locks+0x130/0x130 [ 459.957708] ? zap_class+0x640/0x640 [ 459.961436] ? zap_class+0x640/0x640 [ 459.965152] ? print_usage_bug+0xc0/0xc0 [ 459.969210] ? do_raw_spin_unlock+0xa7/0x330 [ 459.973617] ? zap_class+0x640/0x640 [ 459.977329] ? print_usage_bug+0xc0/0xc0 [ 459.981406] ? wq_watchdog_touch+0x9c/0xfe [ 459.985651] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 459.991194] ? check_preemption_disabled+0x48/0x280 [ 459.996225] ? __lock_is_held+0xb5/0x140 [ 460.000293] __alloc_pages_nodemask+0xad8/0xea0 [ 460.004968] ? zap_class+0x640/0x640 [ 460.008695] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 460.013754] ? find_held_lock+0x36/0x1c0 [ 460.017826] ? ____cache_alloc_node+0x1c7/0x1e0 [ 460.022499] ? lock_downgrade+0x900/0x900 [ 460.026659] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 460.032204] cache_grow_begin+0xa5/0x8c0 [ 460.036278] ? do_raw_spin_unlock+0xa7/0x330 [ 460.040694] fallback_alloc+0x204/0x2e0 [ 460.044680] ____cache_alloc_node+0x1c7/0x1e0 [ 460.049183] kmem_cache_alloc_node+0xe3/0x730 [ 460.053678] ? ipv6_get_ifaddr+0x42e/0x620 [ 460.057924] __alloc_skb+0x119/0x770 [ 460.061641] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 460.066938] ? netdev_alloc_frag+0x1f0/0x1f0 [ 460.071366] ? lock_downgrade+0x900/0x900 [ 460.075521] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 460.081061] ? refcount_sub_and_test_checked+0x203/0x310 [ 460.086522] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 460.091976] ? addrconf_rs_timer+0x690/0x690 [ 460.096398] ndisc_alloc_skb+0x144/0x340 [ 460.100465] ndisc_send_rs+0x331/0x6e0 [ 460.104362] addrconf_rs_timer+0x314/0x690 [ 460.108602] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 460.112846] call_timer_fn+0x272/0x920 [ 460.116754] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 460.120989] ? process_timeout+0x40/0x40 [ 460.125062] ? __run_timers+0x7da/0xc70 [ 460.129051] ? _raw_spin_unlock_irq+0x27/0x80 [ 460.133554] ? _raw_spin_unlock_irq+0x27/0x80 [ 460.138050] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 460.142294] ? lockdep_hardirqs_on+0x296/0x5b0 [ 460.146882] ? trace_hardirqs_on+0xbd/0x310 [ 460.151203] ? kasan_check_read+0x11/0x20 [ 460.155349] ? __run_timers+0x7da/0xc70 [ 460.159329] ? trace_hardirqs_off_caller+0x310/0x310 [ 460.164436] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 460.168681] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 460.172914] __run_timers+0x7e5/0xc70 [ 460.176735] ? timer_fixup_init+0x70/0x70 [ 460.180887] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 460.185906] ? zap_class+0x640/0x640 [ 460.189627] ? enqueue_hrtimer+0x1a5/0x560 [ 460.193866] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 460.199069] ? find_held_lock+0x36/0x1c0 [ 460.203152] ? zap_class+0x640/0x640 [ 460.206870] ? pvclock_read_flags+0x160/0x160 [ 460.211371] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 460.216914] ? check_preemption_disabled+0x48/0x280 [ 460.221952] ? __lock_is_held+0xb5/0x140 [ 460.226017] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 460.231556] ? check_preemption_disabled+0x48/0x280 [ 460.236579] run_timer_softirq+0x52/0xb0 [ 460.240642] ? rcu_read_lock_sched_held+0x14f/0x180 [ 460.245665] __do_softirq+0x308/0xb7e [ 460.249471] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 460.253969] ? lock_downgrade+0x900/0x900 [ 460.258125] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 460.263236] ? pvclock_read_flags+0x160/0x160 [ 460.267736] ? lapic_next_event+0x5a/0x90 [ 460.271889] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 460.277434] ? kvm_clock_read+0x18/0x30 [ 460.281412] ? kvm_sched_clock_read+0x9/0x20 [ 460.285825] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 460.291367] ? check_preemption_disabled+0x48/0x280 [ 460.296392] irq_exit+0x17f/0x1c0 [ 460.299852] smp_apic_timer_interrupt+0x1cb/0x760 [ 460.304696] ? smp_reschedule_interrupt+0x109/0x650 [ 460.309716] ? smp_call_function_single_interrupt+0x650/0x650 [ 460.316123] ? interrupt_entry+0xb5/0xc0 [ 460.320189] ? trace_hardirqs_off_caller+0xbb/0x310 [ 460.325210] ? trace_hardirqs_off_caller+0xbb/0x310 [ 460.330234] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 460.335084] ? trace_hardirqs_on_caller+0x310/0x310 [ 460.340115] ? trace_hardirqs_on_caller+0x310/0x310 [ 460.345137] ? task_prio+0x50/0x50 [ 460.348680] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 460.354227] ? check_preemption_disabled+0x48/0x280 [ 460.359252] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 460.364112] apic_timer_interrupt+0xf/0x20 [ 460.368358] [ 460.370600] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 460.376255] Code: 7e 0f 85 cf fe ff ff e8 66 cb 3d ff e9 c5 fe ff ff e8 0d 01 c3 ff 48 83 3d a5 49 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 42 f3 [ 460.395161] RSP: 0018:ffff888195497718 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 460.402876] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 460.410147] RDX: 0000000000000000 RSI: ffff8881d2488b40 RDI: 0000000000000282 [ 460.417415] RBP: ffff888195497780 R08: ffff8881d24882c0 R09: 0000000000000000 [ 460.424684] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 460.431960] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020 [ 460.439278] skb_clone+0x1bb/0x500 [ 460.442824] ? skb_split+0x11e0/0x11e0 [ 460.446715] ? check_preemption_disabled+0x48/0x280 [ 460.451739] ? __this_cpu_preempt_check+0x1c/0x20 [ 460.456585] ? __bpf_redirect+0x55b/0xb60 [ 460.460739] ? __switch_to_asm+0x34/0x70 [ 460.464802] ? __switch_to_asm+0x40/0x70 [ 460.468889] bpf_clone_redirect+0xb9/0x490 [ 460.473135] bpf_prog_3d1649e183dc2cc1+0xaf9/0x1000 [ 460.478160] ? __sched_text_start+0x8/0x8 [ 460.482322] ? find_held_lock+0x36/0x1c0 [ 460.486392] ? lock_acquire+0x1ed/0x520 [ 460.490370] ? bpf_test_run+0x3cb/0x780 [ 460.494347] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 460.499886] ? check_preemption_disabled+0x48/0x280 [ 460.504912] ? kasan_check_read+0x11/0x20 [ 460.509068] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 460.514359] ? rcu_softirq_qs+0x20/0x20 [ 460.518335] ? preempt_schedule+0x4d/0x60 [ 460.522486] ? ___preempt_schedule+0x16/0x18 [ 460.526921] ? bpf_test_run+0x25d/0x780 [ 460.530917] ? netlink_diag_dump+0x2a0/0x2a0 [ 460.535342] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 460.540878] ? bpf_test_init.isra.10+0x70/0x100 [ 460.545558] ? bpf_prog_test_run_skb+0x73b/0xd10 [ 460.550328] ? bpf_test_finish.isra.9+0x260/0x260 [ 460.555173] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 460.560711] ? fput+0x130/0x1a0 [ 460.563998] ? __bpf_prog_get+0x9b/0x290 [ 460.568064] ? bpf_test_finish.isra.9+0x260/0x260 [ 460.572918] ? bpf_prog_test_run+0x130/0x1a0 [ 460.577335] ? __x64_sys_bpf+0x3db/0x520 [ 460.581413] ? bpf_prog_get+0x20/0x20 [ 460.585239] ? do_syscall_64+0x1b9/0x820 [ 460.589310] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 460.594678] ? syscall_return_slowpath+0x5e0/0x5e0 [ 460.599609] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 460.604453] ? trace_hardirqs_on_caller+0x310/0x310 [ 460.609473] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 460.614492] ? prepare_exit_to_usermode+0x291/0x3b0 [ 460.619514] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 460.624365] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 460.629747] CPU: 0 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #167 [ 460.629817] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 460.636763] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 460.636772] Call Trace: [ 460.643637] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 460.652590] [ 460.652623] dump_stack+0x244/0x39d [ 460.652643] ? dump_stack_print_info.cold.1+0x20/0x20 [ 460.655461] syz-executor0 cpuset=syz0 mems_allowed=0 [ 460.665954] warn_alloc.cold.116+0xb7/0x1bd [ 460.686430] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 460.691282] ? lock_downgrade+0x900/0x900 [ 460.695445] ? trace_hardirqs_off+0xb8/0x310 [ 460.699864] ? trace_hardirqs_off+0xb8/0x310 [ 460.704287] __alloc_pages_slowpath+0x2651/0x2de0 [ 460.709161] ? warn_alloc+0x120/0x120 [ 460.712963] ? print_usage_bug+0xc0/0xc0 [ 460.717054] ? warn_alloc+0x120/0x120 [ 460.720899] ? warn_alloc+0x120/0x120 [ 460.724724] ? print_usage_bug+0xc0/0xc0 [ 460.728799] ? kvm_clock_read+0x18/0x30 [ 460.732804] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 460.737825] ? print_usage_bug+0xc0/0xc0 [ 460.741907] ? __lock_acquire+0x62f/0x4c20 [ 460.746150] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 460.751689] ? should_fail+0x22d/0xd01 [ 460.755584] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 460.760870] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 460.765980] ? __lock_acquire+0x62f/0x4c20 [ 460.770220] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 460.775346] ? __lock_acquire+0x62f/0x4c20 [ 460.779580] ? should_fail+0x22d/0xd01 [ 460.783469] ? rcu_irq_exit+0x1a2/0x390 [ 460.787460] ? mark_held_locks+0x130/0x130 [ 460.791701] ? mark_held_locks+0x130/0x130 [ 460.795946] ? mark_held_locks+0xc7/0x130 [ 460.800104] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 460.805121] ? zap_class+0x640/0x640 [ 460.808832] ? print_usage_bug+0xc0/0xc0 [ 460.812926] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 460.818491] ? check_preemption_disabled+0x48/0x280 [ 460.823529] ? __lock_is_held+0xb5/0x140 [ 460.827596] __alloc_pages_nodemask+0xad8/0xea0 [ 460.832270] ? zap_class+0x640/0x640 [ 460.836007] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 460.841049] ? find_held_lock+0x36/0x1c0 [ 460.845130] ? ____cache_alloc_node+0x1c7/0x1e0 [ 460.849815] ? lock_downgrade+0x900/0x900 [ 460.853969] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 460.859513] cache_grow_begin+0xa5/0x8c0 [ 460.863574] ? do_raw_spin_unlock+0xa7/0x330 [ 460.868005] fallback_alloc+0x204/0x2e0 [ 460.871991] ____cache_alloc_node+0x1c7/0x1e0 [ 460.876491] kmem_cache_alloc_node+0xe3/0x730 [ 460.880989] ? ipv6_get_ifaddr+0x42e/0x620 [ 460.885234] __alloc_skb+0x119/0x770 [ 460.888944] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 460.894226] ? netdev_alloc_frag+0x1f0/0x1f0 [ 460.898636] ? lock_downgrade+0x900/0x900 [ 460.902806] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 460.908342] ? refcount_sub_and_test_checked+0x203/0x310 [ 460.913796] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 460.919247] ? addrconf_rs_timer+0x690/0x690 [ 460.923666] ndisc_alloc_skb+0x144/0x340 [ 460.927733] ndisc_send_rs+0x331/0x6e0 [ 460.931625] addrconf_rs_timer+0x314/0x690 [ 460.935886] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 460.940145] call_timer_fn+0x272/0x920 [ 460.944057] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 460.948318] ? process_timeout+0x40/0x40 [ 460.952385] ? mark_held_locks+0xc7/0x130 [ 460.956535] ? _raw_spin_unlock_irq+0x27/0x80 [ 460.961046] ? _raw_spin_unlock_irq+0x27/0x80 [ 460.965547] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 460.969785] ? lockdep_hardirqs_on+0x296/0x5b0 [ 460.974376] ? trace_hardirqs_on+0xbd/0x310 [ 460.978704] ? kasan_check_read+0x11/0x20 [ 460.982850] ? __run_timers+0x7da/0xc70 [ 460.986867] ? trace_hardirqs_off_caller+0x310/0x310 [ 460.991987] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 460.996261] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 461.000495] __run_timers+0x7e5/0xc70 [ 461.004305] ? timer_fixup_init+0x70/0x70 [ 461.008477] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 461.013515] ? zap_class+0x640/0x640 [ 461.017237] ? print_usage_bug+0xc0/0xc0 [ 461.021299] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 461.026512] ? find_held_lock+0x36/0x1c0 [ 461.030578] ? zap_class+0x640/0x640 [ 461.034301] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 461.039836] ? check_preemption_disabled+0x48/0x280 [ 461.044861] ? __lock_is_held+0xb5/0x140 [ 461.048924] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 461.054510] ? check_preemption_disabled+0x48/0x280 [ 461.059534] run_timer_softirq+0x52/0xb0 [ 461.063599] ? rcu_read_lock_sched_held+0x14f/0x180 [ 461.068622] __do_softirq+0x308/0xb7e [ 461.072427] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 461.076933] ? lock_downgrade+0x900/0x900 [ 461.081093] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 461.086207] ? pvclock_read_flags+0x160/0x160 [ 461.090710] ? lapic_next_event+0x5a/0x90 [ 461.094861] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 461.100409] ? kvm_clock_read+0x18/0x30 [ 461.104390] ? kvm_sched_clock_read+0x9/0x20 [ 461.108800] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 461.114358] ? check_preemption_disabled+0x48/0x280 [ 461.119387] irq_exit+0x17f/0x1c0 [ 461.122843] smp_apic_timer_interrupt+0x1cb/0x760 [ 461.127687] ? smp_reschedule_interrupt+0x109/0x650 [ 461.132710] ? smp_call_function_single_interrupt+0x650/0x650 [ 461.138596] ? interrupt_entry+0xb5/0xc0 [ 461.142662] ? trace_hardirqs_off_caller+0xbb/0x310 [ 461.147676] ? trace_hardirqs_off_caller+0xbb/0x310 [ 461.152694] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 461.157537] ? trace_hardirqs_on_caller+0x310/0x310 [ 461.162559] ? trace_hardirqs_on_caller+0x310/0x310 [ 461.167586] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 461.172438] apic_timer_interrupt+0xf/0x20 [ 461.176671] [ 461.178915] RIP: 0010:dump_stack+0x358/0x39d [ 461.183774] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 f1 36 ed f9 48 83 3d f9 27 7c 01 00 0f 84 63 fe ff ff e8 6e b7 a9 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b b7 a9 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 461.202672] RSP: 0000:ffff8881bb40e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 461.210392] RAX: ffff8881c2208180 RBX: 1ffffffff12a3f6e RCX: 1ffff1103844114e [ 461.217661] RDX: 0000000000000000 RSI: ffffffff87d5d382 RDI: 0000000000000293 [ 461.224945] RBP: ffff8881bb40e290 R08: ffff8881c2208a70 R09: 0000000000000006 [ 461.232214] R10: 0000000000000000 R11: ffff8881c2208180 R12: 1ffff11037681c45 [ 461.239484] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 461.246779] ? dump_stack+0x34f/0x39d [ 461.250597] ? dump_stack_print_info.cold.1+0x20/0x20 [ 461.255794] ? mark_held_locks+0x130/0x130 [ 461.260067] ? mark_held_locks+0x130/0x130 [ 461.264314] dump_header+0x27b/0xf72 [ 461.268041] ? pagefault_out_of_memory+0x197/0x197 [ 461.272983] ? __lock_acquire+0x62f/0x4c20 [ 461.277222] ? percpu_ref_get_many+0x240/0x240 [ 461.281811] ? print_usage_bug+0xc0/0xc0 [ 461.285914] ? zap_class+0x640/0x640 [ 461.289631] ? print_usage_bug+0xc0/0xc0 [ 461.293691] ? print_usage_bug+0xc0/0xc0 [ 461.297755] ? zap_class+0x640/0x640 [ 461.301476] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 461.307021] ? find_held_lock+0x36/0x1c0 [ 461.311106] ? mark_held_locks+0xc7/0x130 [ 461.315260] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 461.320377] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 461.325484] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 461.330071] ? trace_hardirqs_on+0xbd/0x310 [ 461.334406] ? kasan_check_read+0x11/0x20 [ 461.338555] ? ___ratelimit+0x3b4/0x672 [ 461.342532] ? trace_hardirqs_off_caller+0x310/0x310 [ 461.347639] ? trace_hardirqs_on+0x310/0x310 [ 461.352048] ? lock_downgrade+0x900/0x900 [ 461.356213] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 461.361318] ? ___ratelimit+0x3b9/0x672 [ 461.365296] ? idr_get_free+0xf70/0xf70 [ 461.369275] ? find_held_lock+0x36/0x1c0 [ 461.373349] oom_kill_process.cold.27+0x10/0x903 [ 461.378113] ? zap_class+0x640/0x640 [ 461.381844] ? check_preemption_disabled+0x48/0x280 [ 461.386911] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 461.391846] ? kasan_check_read+0x11/0x20 [ 461.395992] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 461.401270] ? oom_evaluate_task+0x540/0x540 [ 461.405681] ? find_held_lock+0x36/0x1c0 [ 461.409748] ? out_of_memory+0x974/0x1430 [ 461.413897] ? lock_downgrade+0x900/0x900 [ 461.418057] ? check_preemption_disabled+0x48/0x280 [ 461.423091] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 461.428022] ? kasan_check_read+0x11/0x20 [ 461.432167] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 461.437463] ? rcu_softirq_qs+0x20/0x20 [ 461.441451] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 461.446989] ? oom_evaluate_task+0x302/0x540 [ 461.451401] out_of_memory+0xa84/0x1430 [ 461.455385] ? oom_killer_disable+0x3a0/0x3a0 [ 461.459888] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 461.464839] ? __ww_mutex_check_waiters+0x160/0x160 [ 461.469907] __alloc_pages_slowpath+0x232c/0x2de0 [ 461.474787] ? warn_alloc+0x120/0x120 [ 461.478603] ? mark_held_locks+0x130/0x130 [ 461.482863] ? find_get_entry+0xaae/0x1120 [ 461.487116] ? filemap_map_pages+0x1a20/0x1a20 [ 461.491704] ? zap_class+0x640/0x640 [ 461.495428] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 461.500974] ? check_preemption_disabled+0x48/0x280 [ 461.505995] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 461.511530] ? should_fail+0x22d/0xd01 [ 461.515425] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 461.520534] ? zap_class+0x640/0x640 [ 461.524303] ? __lock_is_held+0xb5/0x140 [ 461.528369] ? mark_held_locks+0x130/0x130 [ 461.532605] ? lock_release+0xa00/0xa00 [ 461.536590] ? perf_trace_sched_process_exec+0x860/0x860 [ 461.542040] ? xa_load+0x2ba/0x460 [ 461.545582] ? lock_downgrade+0x900/0x900 [ 461.549732] ? __might_sleep+0x95/0x190 [ 461.553710] __alloc_pages_nodemask+0xad8/0xea0 [ 461.558386] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 461.563406] ? __page_cache_alloc+0x191/0x5c0 [ 461.567896] ? xa_load+0x2e1/0x460 [ 461.571436] ? xa_clear_mark+0x40/0x40 [ 461.575335] ? zap_class+0x640/0x640 [ 461.579054] ? zap_class+0x640/0x640 [ 461.582818] ? zap_class+0x640/0x640 [ 461.586531] ? __do_page_cache_readahead+0x663/0x810 [ 461.591643] ? find_held_lock+0x36/0x1c0 [ 461.595715] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 461.601277] alloc_pages_current+0x173/0x350 [ 461.605696] __page_cache_alloc+0x38c/0x5c0 [ 461.610017] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 461.614944] ? kasan_check_read+0x11/0x20 [ 461.619099] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 461.624380] ? generic_perform_write+0x6a0/0x6a0 [ 461.629137] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 461.634674] ? check_preemption_disabled+0x48/0x280 [ 461.639711] filemap_fault+0x1595/0x25f0 [ 461.643791] ? __lock_page_or_retry+0xa00/0xa00 [ 461.648466] ? mark_held_locks+0x130/0x130 [ 461.652712] ? filemap_map_pages+0xd6b/0x1a20 [ 461.657209] ? lock_downgrade+0x900/0x900 [ 461.661358] ? check_preemption_disabled+0x48/0x280 [ 461.666376] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 461.671310] ? kasan_check_read+0x11/0x20 [ 461.675461] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 461.680738] ? rcu_softirq_qs+0x20/0x20 [ 461.684726] ? filemap_map_pages+0xd92/0x1a20 [ 461.689236] ? find_get_entries_tag+0x1400/0x1400 [ 461.694109] ? debug_object_destroy+0x2b0/0x2b0 [ 461.698783] ? lock_pi_update_atomic+0x150/0x150 [ 461.703537] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 461.709093] ? lock_acquire+0x1ed/0x520 [ 461.713074] ? ext4_filemap_fault+0x7a/0xad [ 461.717416] ? lock_release+0xa00/0xa00 [ 461.721391] ? perf_trace_sched_process_exec+0x860/0x860 [ 461.726845] ? print_usage_bug+0xc0/0xc0 [ 461.730911] ? print_usage_bug+0xc0/0xc0 [ 461.734984] ? down_read+0x8d/0x120 [ 461.738609] ? ext4_filemap_fault+0x7a/0xad [ 461.742932] ? __down_interruptible+0x700/0x700 [ 461.747611] ext4_filemap_fault+0x82/0xad [ 461.751764] __do_fault+0x100/0x6b0 [ 461.755404] ? find_held_lock+0x36/0x1c0 [ 461.759474] ? pmd_devmap_trans_unstable+0x220/0x220 [ 461.764580] ? mark_held_locks+0x130/0x130 [ 461.768815] ? mark_held_locks+0x130/0x130 [ 461.773054] ? debug_smp_processor_id+0x1c/0x20 [ 461.777730] ? perf_trace_lock+0x14d/0x7a0 [ 461.781975] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 461.787521] __handle_mm_fault+0x3ea0/0x5be0 [ 461.791958] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 461.796802] ? lock_is_held_type+0x210/0x210 [ 461.801217] ? __switch_to_asm+0x34/0x70 [ 461.805289] ? __switch_to_asm+0x34/0x70 [ 461.809390] ? zap_class+0x640/0x640 [ 461.813119] ? zap_class+0x640/0x640 [ 461.816859] ? __x64_sys_futex+0x53e/0x6a0 [ 461.821105] ? find_held_lock+0x36/0x1c0 [ 461.825178] ? handle_mm_fault+0x42a/0xc70 [ 461.829414] ? lock_downgrade+0x900/0x900 [ 461.833568] ? check_preemption_disabled+0x48/0x280 [ 461.838601] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 461.843531] ? kasan_check_read+0x11/0x20 [ 461.847677] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 461.852953] ? rcu_softirq_qs+0x20/0x20 [ 461.856927] ? trace_hardirqs_off_caller+0x310/0x310 [ 461.862035] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 461.867572] ? check_preemption_disabled+0x48/0x280 [ 461.872595] handle_mm_fault+0x54f/0xc70 [ 461.876659] ? __handle_mm_fault+0x5be0/0x5be0 [ 461.881247] ? find_vma+0x34/0x190 [ 461.884810] __do_page_fault+0x5e8/0xe60 [ 461.888870] ? trace_hardirqs_off+0xb8/0x310 [ 461.893290] do_page_fault+0xf2/0x7e0 [ 461.897100] ? vmalloc_sync_all+0x30/0x30 [ 461.901253] ? error_entry+0x70/0xd0 [ 461.904983] ? trace_hardirqs_off_caller+0xbb/0x310 [ 461.909998] ? trace_hardirqs_on_caller+0xc0/0x310 [ 461.914926] ? syscall_return_slowpath+0x5e0/0x5e0 [ 461.919888] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 461.924732] ? trace_hardirqs_on_caller+0x310/0x310 [ 461.929747] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 461.935229] ? prepare_exit_to_usermode+0x291/0x3b0 [ 461.940245] ? page_fault+0x8/0x30 [ 461.943808] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 461.948689] ? page_fault+0x8/0x30 [ 461.952230] page_fault+0x1e/0x30 [ 461.955682] RIP: 0033:0x45ddf3 [ 461.958888] Code: Bad RIP value. [ 461.962262] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 461.967624] RAX: ffffffffffffff92 RBX: 0000000028898d51 RCX: 000000000045ddf3 [ 461.974892] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014f1120 [ 461.982157] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 461.989420] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 461.996695] R13: 000000c42841fe60 R14: 0000000000000001 R15: 0000000000000000 [ 462.003983] warn_alloc_show_mem: 1 callbacks suppressed [ 462.003994] CPU: 1 PID: 16798 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #167 [ 462.003996] Mem-Info: [ 462.004041] active_anon:45985 inactive_anon:296 isolated_anon:0 [ 462.004041] active_file:15 inactive_file:8 isolated_file:0 [ 462.004041] unevictable:0 dirty:0 writeback:0 unstable:0 [ 462.004041] slab_reclaimable:9236 slab_unreclaimable:1461135 [ 462.004041] mapped:40979 shmem:353 pagetables:587 bounce:0 [ 462.004041] free:13771 free_pcp:249 free_cma:0 [ 462.009375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 462.009382] Call Trace: [ 462.016748] Node 0 active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1412kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 462.019148] [ 462.051952] 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 [ 462.061311] dump_stack+0x244/0x39d [ 462.063862] lowmem_reserve[]: 0 2818 6321 6321 [ 462.091551] ? dump_stack_print_info.cold.1+0x20/0x20 [ 462.093666] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:404kB local_pcp:156kB free_cma:0kB [ 462.119800] warn_alloc.cold.116+0xb7/0x1bd [ 462.123396] lowmem_reserve[]: 0 0 3503 3503 [ 462.127980] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 462.133145] Node 0 Normal free:14000kB min:37364kB low:46704kB high:56044kB active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2348kB bounce:0kB free_pcp:592kB local_pcp:388kB free_cma:0kB [ 462.160657] ? lock_downgrade+0x900/0x900 [ 462.164944] lowmem_reserve[]: 0 0 0 0 [ 462.169275] ? trace_hardirqs_off+0xb8/0x310 [ 462.174094] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 462.203070] ? trace_hardirqs_off+0xb8/0x310 [ 462.207196] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 2*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 462.210990] ? noop_count+0x40/0x40 [ 462.215369] Node 0 Normal: 794*4kB (MEH) 441*8kB (UMEH) 176*16kB (UME) 69*32kB (UMEH) 18*64kB (UM) 1*128kB (U) 2*256kB (U) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14032kB [ 462.228889] __alloc_pages_slowpath+0x2651/0x2de0 [ 462.233292] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 462.248380] ? check_usage+0x1aa/0x790 [ 462.251970] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 462.267395] ? warn_alloc+0x120/0x120 [ 462.272208] 376 total pagecache pages [ 462.281037] ? warn_alloc+0x120/0x120 [ 462.284907] 0 pages in swap cache [ 462.293497] ? __bfs+0xb0/0x780 [ 462.297280] Swap cache stats: add 0, delete 0, find 0/0 [ 462.301069] ? print_bfs_bug+0x80/0x80 [ 462.304856] Free swap = 0kB [ 462.308302] ? warn_alloc+0x120/0x120 [ 462.311699] Total swap = 0kB [ 462.311707] 1965979 pages RAM [ 462.317066] ? print_usage_bug+0xc0/0xc0 [ 462.320936] 0 pages HighMem/MovableOnly [ 462.323959] ? mark_held_locks+0x130/0x130 [ 462.327727] 342854 pages reserved [ 462.330740] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 462.333817] 0 pages cma reserved [ 462.337894] ? should_fail+0x22d/0xd01 [ 462.341900] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 462.346068] ? trace_event_raw_event_lock_acquire+0x440/0x440 [ 462.349607] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 462.355055] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 462.358399] syz-fuzzer cpuset=/ mems_allowed=0 [ 462.362283] ? __lock_acquire+0x62f/0x4c20 [ 462.399410] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 462.404516] ? should_fail+0x22d/0xd01 [ 462.408416] ? mark_held_locks+0x130/0x130 [ 462.412656] ? mark_held_locks+0x130/0x130 [ 462.416947] ? zap_class+0x640/0x640 [ 462.420666] ? zap_class+0x640/0x640 [ 462.424385] ? trace_event_raw_event_lock_acquire+0x440/0x440 [ 462.430276] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 462.435816] ? check_preemption_disabled+0x48/0x280 [ 462.440863] ? __lock_is_held+0xb5/0x140 [ 462.444957] __alloc_pages_nodemask+0xad8/0xea0 [ 462.449633] ? zap_class+0x640/0x640 [ 462.453355] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 462.458387] ? find_held_lock+0x36/0x1c0 [ 462.462469] ? ____cache_alloc_node+0x1c7/0x1e0 [ 462.467145] ? lock_downgrade+0x900/0x900 [ 462.471303] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 462.476847] cache_grow_begin+0xa5/0x8c0 [ 462.480910] ? do_raw_spin_unlock+0xa7/0x330 [ 462.485331] fallback_alloc+0x204/0x2e0 [ 462.489317] ____cache_alloc_node+0x1c7/0x1e0 [ 462.493822] kmem_cache_alloc_node+0xe3/0x730 [ 462.498322] ? mark_held_locks+0xc7/0x130 [ 462.502570] __alloc_skb+0x119/0x770 [ 462.506296] ? netdev_alloc_frag+0x1f0/0x1f0 [ 462.510707] ? do_raw_spin_trylock+0x270/0x270 [ 462.515293] ? kmem_cache_alloc_trace+0x353/0x750 [ 462.520142] ? queue_work_on+0x12c/0x1e0 [ 462.524211] ? switchdev_port_obj_del+0xe3/0x450 [ 462.528974] ? switchdev_trans_item_enqueue+0x260/0x260 [ 462.534345] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 462.539382] __br_mdb_notify+0x4ff/0x15d0 [ 462.543533] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 462.548645] ? __br_mdb_add+0x7f0/0x7f0 [ 462.552639] ? mark_held_locks+0x130/0x130 [ 462.556894] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 462.562005] ? debug_object_assert_init+0x368/0x4b0 [ 462.567024] ? trace_hardirqs_off_caller+0x310/0x310 [ 462.572133] ? debug_object_init_on_stack+0x20/0x20 [ 462.577151] ? zap_class+0x640/0x640 [ 462.580883] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 462.586431] br_mdb_notify+0x310/0x410 [ 462.590330] ? br_mdb_dump+0x27b0/0x27b0 [ 462.594408] br_multicast_del_pg+0x3df/0x790 [ 462.598838] ? br_mdb_ip_get+0x940/0x940 [ 462.602914] ? rwlock_bug.part.2+0x90/0x90 [ 462.607188] ? __lock_is_held+0xb5/0x140 [ 462.611261] br_multicast_port_group_expired+0x189/0x1e0 [ 462.616714] call_timer_fn+0x272/0x920 [ 462.620601] ? br_multicast_del_pg+0x790/0x790 [ 462.625181] ? process_timeout+0x40/0x40 [ 462.629248] ? __run_timers+0x7da/0xc70 [ 462.633234] ? _raw_spin_unlock_irq+0x27/0x80 [ 462.637728] ? _raw_spin_unlock_irq+0x27/0x80 [ 462.642220] ? br_multicast_del_pg+0x790/0x790 [ 462.646804] ? lockdep_hardirqs_on+0x296/0x5b0 [ 462.651391] ? trace_hardirqs_on+0xbd/0x310 [ 462.655716] ? kasan_check_read+0x11/0x20 [ 462.659892] ? __run_timers+0x7da/0xc70 [ 462.663872] ? trace_hardirqs_off_caller+0x310/0x310 [ 462.668981] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 462.673226] ? br_multicast_del_pg+0x790/0x790 [ 462.677805] __run_timers+0x7e5/0xc70 [ 462.681620] ? timer_fixup_init+0x70/0x70 [ 462.685791] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 462.690812] ? zap_class+0x640/0x640 [ 462.694534] ? enqueue_hrtimer+0x1a5/0x560 [ 462.698776] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 462.703981] ? find_held_lock+0x36/0x1c0 [ 462.708051] ? zap_class+0x640/0x640 [ 462.711778] ? pvclock_read_flags+0x160/0x160 [ 462.716279] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 462.721875] ? check_preemption_disabled+0x48/0x280 [ 462.726904] ? __lock_is_held+0xb5/0x140 [ 462.730975] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 462.736517] ? check_preemption_disabled+0x48/0x280 [ 462.741539] run_timer_softirq+0x52/0xb0 [ 462.745603] ? rcu_read_lock_sched_held+0x14f/0x180 [ 462.750634] __do_softirq+0x308/0xb7e [ 462.754440] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 462.758933] ? lock_downgrade+0x900/0x900 [ 462.763104] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 462.768219] ? pvclock_read_flags+0x160/0x160 [ 462.772719] ? lapic_next_event+0x5a/0x90 [ 462.776902] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 462.782444] ? kvm_clock_read+0x18/0x30 [ 462.786420] ? kvm_sched_clock_read+0x9/0x20 [ 462.790830] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 462.796374] ? check_preemption_disabled+0x48/0x280 [ 462.801406] irq_exit+0x17f/0x1c0 [ 462.804896] smp_apic_timer_interrupt+0x1cb/0x760 [ 462.809739] ? smp_reschedule_interrupt+0x109/0x650 [ 462.814759] ? smp_call_function_single_interrupt+0x650/0x650 [ 462.820645] ? interrupt_entry+0xb5/0xc0 [ 462.824712] ? trace_hardirqs_off_caller+0xbb/0x310 [ 462.829726] ? trace_hardirqs_off_caller+0xbb/0x310 [ 462.834760] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 462.839602] ? trace_hardirqs_on_caller+0x310/0x310 [ 462.844622] ? trace_hardirqs_on_caller+0x310/0x310 [ 462.849641] ? task_prio+0x50/0x50 [ 462.853186] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 462.858725] ? check_preemption_disabled+0x48/0x280 [ 462.863748] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 462.868605] apic_timer_interrupt+0xf/0x20 [ 462.872838] [ 462.875088] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 462.880024] Code: 7e 0f 85 cf fe ff ff e8 66 cb 3d ff e9 c5 fe ff ff e8 0d 01 c3 ff 48 83 3d a5 49 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 42 f3 [ 462.898929] RSP: 0018:ffff888195497718 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 462.906642] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 462.913908] RDX: 0000000000000000 RSI: ffff8881d2488b40 RDI: 0000000000000282 [ 462.921176] RBP: ffff888195497780 R08: ffff8881d24882c0 R09: 0000000000000000 [ 462.928443] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 462.935709] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020 [ 462.943026] skb_clone+0x1bb/0x500 [ 462.946576] ? skb_split+0x11e0/0x11e0 [ 462.950468] ? check_preemption_disabled+0x48/0x280 [ 462.955490] ? __this_cpu_preempt_check+0x1c/0x20 [ 462.960338] ? __bpf_redirect+0x55b/0xb60 [ 462.964489] ? __switch_to_asm+0x34/0x70 [ 462.968548] ? __switch_to_asm+0x40/0x70 [ 462.972614] bpf_clone_redirect+0xb9/0x490 [ 462.976858] bpf_prog_3d1649e183dc2cc1+0xaf9/0x1000 [ 462.981883] ? __sched_text_start+0x8/0x8 [ 462.986049] ? find_held_lock+0x36/0x1c0 [ 462.990130] ? lock_acquire+0x1ed/0x520 [ 462.994113] ? bpf_test_run+0x3cb/0x780 [ 462.998099] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 463.003641] ? check_preemption_disabled+0x48/0x280 [ 463.008670] ? kasan_check_read+0x11/0x20 [ 463.012819] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 463.018106] ? rcu_softirq_qs+0x20/0x20 [ 463.022092] ? preempt_schedule+0x4d/0x60 [ 463.026248] ? ___preempt_schedule+0x16/0x18 [ 463.030667] ? bpf_test_run+0x25d/0x780 [ 463.034658] ? netlink_diag_dump+0x2a0/0x2a0 [ 463.039071] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 463.044618] ? bpf_test_init.isra.10+0x70/0x100 [ 463.049292] ? bpf_prog_test_run_skb+0x73b/0xd10 [ 463.054071] ? bpf_test_finish.isra.9+0x260/0x260 [ 463.058923] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 463.064467] ? fput+0x130/0x1a0 [ 463.067754] ? __bpf_prog_get+0x9b/0x290 [ 463.071824] ? bpf_test_finish.isra.9+0x260/0x260 [ 463.076667] ? bpf_prog_test_run+0x130/0x1a0 [ 463.081077] ? __x64_sys_bpf+0x3db/0x520 [ 463.085152] ? bpf_prog_get+0x20/0x20 [ 463.088980] ? do_syscall_64+0x1b9/0x820 [ 463.093044] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 463.098410] ? syscall_return_slowpath+0x5e0/0x5e0 [ 463.103347] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 463.108194] ? trace_hardirqs_on_caller+0x310/0x310 [ 463.113229] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 463.118277] ? prepare_exit_to_usermode+0x291/0x3b0 [ 463.123300] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 463.128156] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 463.133547] CPU: 0 PID: 6062 Comm: syz-fuzzer Not tainted 4.20.0-rc4+ #167 [ 463.134344] syz-executor0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 463.140576] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 463.151048] syz-executor0 cpuset=syz0 mems_allowed=0 [ 463.160388] Call Trace: [ 463.168049] [ 463.170216] dump_stack+0x244/0x39d [ 463.173850] ? dump_stack_print_info.cold.1+0x20/0x20 [ 463.179508] warn_alloc.cold.116+0xb7/0x1bd [ 463.183837] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 463.188683] ? lock_downgrade+0x900/0x900 [ 463.192839] ? trace_hardirqs_off+0xb8/0x310 [ 463.197257] ? trace_hardirqs_off+0xb8/0x310 [ 463.201676] __alloc_pages_slowpath+0x2651/0x2de0 [ 463.206552] ? warn_alloc+0x120/0x120 [ 463.210358] ? print_usage_bug+0xc0/0xc0 [ 463.214420] ? warn_alloc+0x120/0x120 [ 463.218234] ? warn_alloc+0x120/0x120 [ 463.222043] ? print_usage_bug+0xc0/0xc0 [ 463.226111] ? kvm_clock_read+0x18/0x30 [ 463.230110] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 463.235129] ? print_usage_bug+0xc0/0xc0 [ 463.239194] ? __lock_acquire+0x62f/0x4c20 [ 463.243449] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 463.248989] ? should_fail+0x22d/0xd01 [ 463.252892] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 463.258177] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 463.263283] ? __lock_acquire+0x62f/0x4c20 [ 463.267540] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 463.272644] ? __lock_acquire+0x62f/0x4c20 [ 463.276877] ? should_fail+0x22d/0xd01 [ 463.280762] ? rcu_irq_exit+0x1a2/0x390 [ 463.284749] ? mark_held_locks+0x130/0x130 [ 463.288990] ? mark_held_locks+0x130/0x130 [ 463.293265] ? mark_held_locks+0xc7/0x130 [ 463.297417] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 463.302436] ? zap_class+0x640/0x640 [ 463.306159] ? print_usage_bug+0xc0/0xc0 [ 463.310226] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 463.315768] ? check_preemption_disabled+0x48/0x280 [ 463.320798] ? __lock_is_held+0xb5/0x140 [ 463.324867] __alloc_pages_nodemask+0xad8/0xea0 [ 463.329536] ? zap_class+0x640/0x640 [ 463.333257] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 463.338286] ? find_held_lock+0x36/0x1c0 [ 463.342357] ? ____cache_alloc_node+0x1c7/0x1e0 [ 463.347031] ? lock_downgrade+0x900/0x900 [ 463.351190] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 463.356736] cache_grow_begin+0xa5/0x8c0 [ 463.360796] ? do_raw_spin_unlock+0xa7/0x330 [ 463.365213] fallback_alloc+0x204/0x2e0 [ 463.369198] ____cache_alloc_node+0x1c7/0x1e0 [ 463.373702] kmem_cache_alloc_node+0xe3/0x730 [ 463.378202] ? ipv6_get_ifaddr+0x42e/0x620 [ 463.382454] __alloc_skb+0x119/0x770 [ 463.386168] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 463.391455] ? netdev_alloc_frag+0x1f0/0x1f0 [ 463.395870] ? lock_downgrade+0x900/0x900 [ 463.400027] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 463.405565] ? refcount_sub_and_test_checked+0x203/0x310 [ 463.411022] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 463.416481] ? addrconf_rs_timer+0x690/0x690 [ 463.420900] ndisc_alloc_skb+0x144/0x340 [ 463.424969] ndisc_send_rs+0x331/0x6e0 [ 463.428864] addrconf_rs_timer+0x314/0x690 [ 463.433119] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 463.437365] call_timer_fn+0x272/0x920 [ 463.441250] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 463.445484] ? process_timeout+0x40/0x40 [ 463.449556] ? mark_held_locks+0xc7/0x130 [ 463.453715] ? _raw_spin_unlock_irq+0x27/0x80 [ 463.458210] ? _raw_spin_unlock_irq+0x27/0x80 [ 463.462704] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 463.466943] ? lockdep_hardirqs_on+0x296/0x5b0 [ 463.471531] ? trace_hardirqs_on+0xbd/0x310 [ 463.475851] ? kasan_check_read+0x11/0x20 [ 463.480003] ? __run_timers+0x7da/0xc70 [ 463.483983] ? trace_hardirqs_off_caller+0x310/0x310 [ 463.489101] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 463.493348] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 463.497585] __run_timers+0x7e5/0xc70 [ 463.501402] ? timer_fixup_init+0x70/0x70 [ 463.505554] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 463.510572] ? zap_class+0x640/0x640 [ 463.514297] ? print_usage_bug+0xc0/0xc0 [ 463.518363] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 463.523567] ? find_held_lock+0x36/0x1c0 [ 463.527638] ? zap_class+0x640/0x640 [ 463.531361] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 463.536906] ? check_preemption_disabled+0x48/0x280 [ 463.541935] ? __lock_is_held+0xb5/0x140 [ 463.545999] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 463.551540] ? check_preemption_disabled+0x48/0x280 [ 463.556564] run_timer_softirq+0x52/0xb0 [ 463.560631] ? rcu_read_lock_sched_held+0x14f/0x180 [ 463.565650] __do_softirq+0x308/0xb7e [ 463.569460] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 463.573955] ? lock_downgrade+0x900/0x900 [ 463.578119] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 463.583231] ? pvclock_read_flags+0x160/0x160 [ 463.587732] ? lapic_next_event+0x5a/0x90 [ 463.591886] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 463.597431] ? kvm_clock_read+0x18/0x30 [ 463.601409] ? kvm_sched_clock_read+0x9/0x20 [ 463.605821] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 463.611360] ? check_preemption_disabled+0x48/0x280 [ 463.616398] irq_exit+0x17f/0x1c0 [ 463.619854] smp_apic_timer_interrupt+0x1cb/0x760 [ 463.624699] ? smp_reschedule_interrupt+0x109/0x650 [ 463.629721] ? smp_call_function_single_interrupt+0x650/0x650 [ 463.635605] ? interrupt_entry+0xb5/0xc0 [ 463.639668] ? trace_hardirqs_off_caller+0xbb/0x310 [ 463.644688] ? trace_hardirqs_off_caller+0xbb/0x310 [ 463.649706] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 463.654549] ? trace_hardirqs_on_caller+0x310/0x310 [ 463.659566] ? trace_hardirqs_on_caller+0x310/0x310 [ 463.664595] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 463.669452] apic_timer_interrupt+0xf/0x20 [ 463.673687] [ 463.675927] RIP: 0010:dump_stack+0x358/0x39d [ 463.680335] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 f1 36 ed f9 48 83 3d f9 27 7c 01 00 0f 84 63 fe ff ff e8 6e b7 a9 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b b7 a9 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 463.699234] RSP: 0000:ffff8881bb40e1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 463.706944] RAX: ffff8881c2208180 RBX: 1ffffffff12a3f6e RCX: 1ffff1103844114e [ 463.714212] RDX: 0000000000000000 RSI: ffffffff87d5d382 RDI: 0000000000000293 [ 463.721478] RBP: ffff8881bb40e290 R08: ffff8881c2208a70 R09: 0000000000000006 [ 463.728744] R10: 0000000000000000 R11: ffff8881c2208180 R12: 1ffff11037681c45 [ 463.736011] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 463.743312] ? dump_stack+0x34f/0x39d [ 463.747129] ? dump_stack_print_info.cold.1+0x20/0x20 [ 463.752326] ? mark_held_locks+0x130/0x130 [ 463.756558] ? mark_held_locks+0x130/0x130 [ 463.760797] dump_header+0x27b/0xf72 [ 463.764523] ? pagefault_out_of_memory+0x197/0x197 [ 463.769470] ? __lock_acquire+0x62f/0x4c20 [ 463.773712] ? percpu_ref_get_many+0x240/0x240 [ 463.778296] ? print_usage_bug+0xc0/0xc0 [ 463.782365] ? zap_class+0x640/0x640 [ 463.786092] ? print_usage_bug+0xc0/0xc0 [ 463.790156] ? print_usage_bug+0xc0/0xc0 [ 463.794221] ? zap_class+0x640/0x640 [ 463.797955] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 463.803504] ? find_held_lock+0x36/0x1c0 [ 463.807576] ? mark_held_locks+0xc7/0x130 [ 463.811729] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 463.816830] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 463.821938] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 463.826524] ? trace_hardirqs_on+0xbd/0x310 [ 463.830849] ? kasan_check_read+0x11/0x20 [ 463.835095] ? ___ratelimit+0x3b4/0x672 [ 463.839076] ? trace_hardirqs_off_caller+0x310/0x310 [ 463.844190] ? trace_hardirqs_on+0x310/0x310 [ 463.848604] ? lock_downgrade+0x900/0x900 [ 463.852762] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 463.857865] ? ___ratelimit+0x3b9/0x672 [ 463.861862] ? idr_get_free+0xf70/0xf70 [ 463.865843] ? find_held_lock+0x36/0x1c0 [ 463.869920] oom_kill_process.cold.27+0x10/0x903 [ 463.874680] ? zap_class+0x640/0x640 [ 463.878396] ? check_preemption_disabled+0x48/0x280 [ 463.883416] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 463.888351] ? kasan_check_read+0x11/0x20 [ 463.892502] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 463.897783] ? oom_evaluate_task+0x540/0x540 [ 463.902201] ? find_held_lock+0x36/0x1c0 [ 463.906275] ? out_of_memory+0x974/0x1430 [ 463.910428] ? lock_downgrade+0x900/0x900 [ 463.914579] ? check_preemption_disabled+0x48/0x280 [ 463.919596] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 463.924527] ? kasan_check_read+0x11/0x20 [ 463.928672] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 463.933953] ? rcu_softirq_qs+0x20/0x20 [ 463.937964] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 463.943503] ? oom_evaluate_task+0x302/0x540 [ 463.947915] out_of_memory+0xa84/0x1430 [ 463.951910] ? oom_killer_disable+0x3a0/0x3a0 [ 463.956404] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 463.961341] ? __ww_mutex_check_waiters+0x160/0x160 [ 463.966369] __alloc_pages_slowpath+0x232c/0x2de0 [ 463.971242] ? warn_alloc+0x120/0x120 [ 463.975047] ? mark_held_locks+0x130/0x130 [ 463.979311] ? find_get_entry+0xaae/0x1120 [ 463.983556] ? filemap_map_pages+0x1a20/0x1a20 [ 463.988145] ? zap_class+0x640/0x640 [ 463.991866] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 463.997425] ? check_preemption_disabled+0x48/0x280 [ 464.002454] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 464.007994] ? should_fail+0x22d/0xd01 [ 464.011887] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 464.016993] ? zap_class+0x640/0x640 [ 464.020734] ? __lock_is_held+0xb5/0x140 [ 464.024809] ? mark_held_locks+0x130/0x130 [ 464.029047] ? lock_release+0xa00/0xa00 [ 464.033029] ? perf_trace_sched_process_exec+0x860/0x860 [ 464.038480] ? xa_load+0x2ba/0x460 [ 464.042021] ? lock_downgrade+0x900/0x900 [ 464.046173] ? __might_sleep+0x95/0x190 [ 464.050154] __alloc_pages_nodemask+0xad8/0xea0 [ 464.054830] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 464.059857] ? __page_cache_alloc+0x191/0x5c0 [ 464.064349] ? xa_load+0x2e1/0x460 [ 464.067889] ? xa_clear_mark+0x40/0x40 [ 464.071779] ? zap_class+0x640/0x640 [ 464.075505] ? zap_class+0x640/0x640 [ 464.079222] ? zap_class+0x640/0x640 [ 464.082935] ? __do_page_cache_readahead+0x663/0x810 [ 464.088048] ? find_held_lock+0x36/0x1c0 [ 464.092130] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 464.097692] alloc_pages_current+0x173/0x350 [ 464.102114] __page_cache_alloc+0x38c/0x5c0 [ 464.106433] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 464.111367] ? kasan_check_read+0x11/0x20 [ 464.115517] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 464.120798] ? generic_perform_write+0x6a0/0x6a0 [ 464.125556] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 464.131127] ? check_preemption_disabled+0x48/0x280 [ 464.136153] filemap_fault+0x1595/0x25f0 [ 464.140233] ? __lock_page_or_retry+0xa00/0xa00 [ 464.144906] ? mark_held_locks+0x130/0x130 [ 464.149152] ? filemap_map_pages+0xd6b/0x1a20 [ 464.153650] ? lock_downgrade+0x900/0x900 [ 464.157798] ? check_preemption_disabled+0x48/0x280 [ 464.162829] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 464.167762] ? kasan_check_read+0x11/0x20 [ 464.171909] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 464.177203] ? rcu_softirq_qs+0x20/0x20 [ 464.181192] ? filemap_map_pages+0xd92/0x1a20 [ 464.185705] ? find_get_entries_tag+0x1400/0x1400 [ 464.190552] ? debug_object_destroy+0x2b0/0x2b0 [ 464.195229] ? lock_pi_update_atomic+0x150/0x150 [ 464.200001] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 464.205557] ? lock_acquire+0x1ed/0x520 [ 464.209550] ? ext4_filemap_fault+0x7a/0xad [ 464.213875] ? lock_release+0xa00/0xa00 [ 464.217849] ? perf_trace_sched_process_exec+0x860/0x860 [ 464.223301] ? print_usage_bug+0xc0/0xc0 [ 464.227367] ? print_usage_bug+0xc0/0xc0 [ 464.231436] ? down_read+0x8d/0x120 [ 464.235119] ? ext4_filemap_fault+0x7a/0xad [ 464.239466] ? __down_interruptible+0x700/0x700 [ 464.244149] ext4_filemap_fault+0x82/0xad [ 464.249692] __do_fault+0x100/0x6b0 [ 464.253333] ? find_held_lock+0x36/0x1c0 [ 464.257397] ? pmd_devmap_trans_unstable+0x220/0x220 [ 464.262508] ? mark_held_locks+0x130/0x130 [ 464.266749] ? mark_held_locks+0x130/0x130 [ 464.270989] ? debug_smp_processor_id+0x1c/0x20 [ 464.275658] ? perf_trace_lock+0x14d/0x7a0 [ 464.279899] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 464.285508] __handle_mm_fault+0x3ea0/0x5be0 [ 464.289967] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 464.294810] ? lock_is_held_type+0x210/0x210 [ 464.299227] ? __switch_to_asm+0x34/0x70 [ 464.303291] ? __switch_to_asm+0x34/0x70 [ 464.307373] ? zap_class+0x640/0x640 [ 464.311274] ? zap_class+0x640/0x640 [ 464.314990] ? __x64_sys_futex+0x53e/0x6a0 [ 464.319229] ? find_held_lock+0x36/0x1c0 [ 464.323299] ? handle_mm_fault+0x42a/0xc70 [ 464.327533] ? lock_downgrade+0x900/0x900 [ 464.331681] ? check_preemption_disabled+0x48/0x280 [ 464.336725] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 464.341683] ? kasan_check_read+0x11/0x20 [ 464.345836] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 464.351116] ? rcu_softirq_qs+0x20/0x20 [ 464.355110] ? trace_hardirqs_off_caller+0x310/0x310 [ 464.360220] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 464.365760] ? check_preemption_disabled+0x48/0x280 [ 464.370788] handle_mm_fault+0x54f/0xc70 [ 464.374858] ? __handle_mm_fault+0x5be0/0x5be0 [ 464.379452] ? find_vma+0x34/0x190 [ 464.382998] __do_page_fault+0x5e8/0xe60 [ 464.387063] ? trace_hardirqs_off+0xb8/0x310 [ 464.391493] do_page_fault+0xf2/0x7e0 [ 464.395297] ? vmalloc_sync_all+0x30/0x30 [ 464.399451] ? error_entry+0x70/0xd0 [ 464.403172] ? trace_hardirqs_off_caller+0xbb/0x310 [ 464.408190] ? trace_hardirqs_on_caller+0xc0/0x310 [ 464.413122] ? syscall_return_slowpath+0x5e0/0x5e0 [ 464.418055] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 464.422912] ? trace_hardirqs_on_caller+0x310/0x310 [ 464.427926] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 464.433378] ? prepare_exit_to_usermode+0x291/0x3b0 [ 464.438399] ? page_fault+0x8/0x30 [ 464.441947] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 464.446792] ? page_fault+0x8/0x30 [ 464.450334] page_fault+0x1e/0x30 [ 464.453799] RIP: 0033:0x45ddf3 [ 464.457002] Code: Bad RIP value. [ 464.460361] RSP: 002b:000000c42001fea0 EFLAGS: 00010202 [ 464.465723] RAX: ffffffffffffff92 RBX: 0000000028898d51 RCX: 000000000045ddf3 [ 464.472989] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014f1120 [ 464.480255] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000 [ 464.487525] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001 [ 464.494789] R13: 000000c42841fe60 R14: 0000000000000001 R15: 0000000000000000 [ 464.502131] warn_alloc_show_mem: 1 callbacks suppressed [ 464.502144] CPU: 1 PID: 16798 Comm: syz-executor0 Not tainted 4.20.0-rc4+ #167 [ 464.502145] Mem-Info: [ 464.502207] active_anon:45985 inactive_anon:296 isolated_anon:0 [ 464.502207] active_file:15 inactive_file:8 isolated_file:0 [ 464.502207] unevictable:0 dirty:0 writeback:0 unstable:0 [ 464.502207] slab_reclaimable:9236 slab_unreclaimable:1461135 [ 464.502207] mapped:40979 shmem:353 pagetables:587 bounce:0 [ 464.502207] free:13771 free_pcp:249 free_cma:0 [ 464.507566] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 464.514934] Node 0 active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163916kB dirty:0kB writeback:0kB shmem:1412kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 172032kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 464.517335] Call Trace: [ 464.550138] 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 [ 464.559489] [ 464.587145] lowmem_reserve[]: 0 2818 6321 6321 [ 464.589751] dump_stack+0x244/0x39d [ 464.615842] Node 0 DMA32 free:25176kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:404kB local_pcp:156kB free_cma:0kB [ 464.618002] ? dump_stack_print_info.cold.1+0x20/0x20 [ 464.622537] lowmem_reserve[]: 0 0 3503 3503 [ 464.626176] warn_alloc.cold.116+0xb7/0x1bd [ 464.653648] Node 0 Normal free:14000kB min:37364kB low:46704kB high:56044kB active_anon:183940kB inactive_anon:1184kB active_file:60kB inactive_file:32kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2348kB bounce:0kB free_pcp:592kB local_pcp:388kB free_cma:0kB [ 464.658839] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 464.663125] lowmem_reserve[]: 0 0 0 0 [ 464.667463] ? lock_downgrade+0x900/0x900 [ 464.696421] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 464.701288] ? trace_hardirqs_off+0xb8/0x310 [ 464.705054] Node 0 DMA32: 2*4kB (M) 2*8kB (M) 4*16kB (UM) 4*32kB (M) 2*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25176kB [ 464.709234] ? trace_hardirqs_off+0xb8/0x310 [ 464.722731] Node 0 Normal: 794*4kB (MEH) 441*8kB (UMEH) 176*16kB (UME) 69*32kB (UMEH) 18*64kB (UM) 1*128kB (U) 2*256kB (U) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 14032kB [ 464.727161] __alloc_pages_slowpath+0x2651/0x2de0 [ 464.742240] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 464.746684] ? warn_alloc+0x120/0x120 [ 464.762068] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 464.762077] 376 total pagecache pages [ 464.766924] ? warn_alloc+0x120/0x120 [ 464.775739] 0 pages in swap cache [ 464.779529] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 464.788073] Swap cache stats: add 0, delete 0, find 0/0 [ 464.788104] Free swap = 0kB [ 464.791904] ? warn_alloc+0x120/0x120 [ 464.795672] Total swap = 0kB [ 464.795680] 1965979 pages RAM [ 464.799136] ? print_usage_bug+0xc0/0xc0 [ 464.804129] 0 pages HighMem/MovableOnly [ 464.809484] ? print_usage_bug+0xc0/0xc0 [ 464.812472] 342854 pages reserved [ 464.812480] 0 pages cma reserved [ 464.816274] ? check_usage+0x1aa/0x790 [ 464.819349] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 464.822387] ? check_usage+0x1aa/0x790 [ 464.826487] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 464.830400] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 464.834435] syz-fuzzer cpuset=/ mems_allowed=0 [ 464.837883] ? should_fail+0x22d/0xd01 [ 464.879674] ? check_usage_forwards+0x3d0/0x3d0 [ 464.884354] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 464.889500] ? __lock_acquire+0x62f/0x4c20 [ 464.893755] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 464.898887] ? should_fail+0x22d/0xd01 [ 464.902786] ? mark_held_locks+0x130/0x130 [ 464.907041] ? mark_held_locks+0x130/0x130 [ 464.911274] ? print_usage_bug+0xc0/0xc0 [ 464.915343] ? find_held_lock+0x36/0x1c0 [ 464.919409] ? zap_class+0x640/0x640 [ 464.923147] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 464.928686] ? check_preemption_disabled+0x48/0x280 [ 464.933711] ? __lock_is_held+0xb5/0x140 [ 464.937784] __alloc_pages_nodemask+0xad8/0xea0 [ 464.942454] ? zap_class+0x640/0x640 [ 464.946181] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 464.951213] ? find_held_lock+0x36/0x1c0 [ 464.955291] ? ____cache_alloc_node+0x1c7/0x1e0 [ 464.959970] ? lock_downgrade+0x900/0x900 [ 464.964130] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 464.969676] cache_grow_begin+0xa5/0x8c0 [ 464.973741] ? do_raw_spin_unlock+0xa7/0x330 [ 464.978161] fallback_alloc+0x204/0x2e0 [ 464.982143] ____cache_alloc_node+0x1c7/0x1e0 [ 464.986648] kmem_cache_alloc_node+0xe3/0x730 [ 464.991170] ? mark_held_locks+0xc7/0x130 [ 464.995326] __alloc_skb+0x119/0x770 [ 464.999043] ? netdev_alloc_frag+0x1f0/0x1f0 [ 465.003470] ? do_raw_spin_trylock+0x270/0x270 [ 465.008056] ? kmem_cache_alloc_trace+0x353/0x750 [ 465.012911] ? queue_work_on+0x12c/0x1e0 [ 465.016985] ? switchdev_port_obj_del+0xe3/0x450 [ 465.021746] ? switchdev_trans_item_enqueue+0x260/0x260 [ 465.027147] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 465.032168] __br_mdb_notify+0x4ff/0x15d0 [ 465.036322] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 465.041446] ? __br_mdb_add+0x7f0/0x7f0 [ 465.045452] ? mark_held_locks+0x130/0x130 [ 465.049696] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 465.054805] ? debug_object_assert_init+0x368/0x4b0 [ 465.059828] ? debug_object_init_on_stack+0x20/0x20 [ 465.064841] ? zap_class+0x640/0x640 [ 465.068562] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 465.074112] br_mdb_notify+0x310/0x410 [ 465.078002] ? br_mdb_dump+0x27b0/0x27b0 [ 465.082098] br_multicast_del_pg+0x3df/0x790 [ 465.086519] ? br_mdb_ip_get+0x940/0x940 [ 465.090585] ? rwlock_bug.part.2+0x90/0x90 [ 465.094825] ? __lock_is_held+0xb5/0x140 [ 465.098893] br_multicast_port_group_expired+0x189/0x1e0 [ 465.104346] call_timer_fn+0x272/0x920 [ 465.108232] ? br_multicast_del_pg+0x790/0x790 [ 465.112817] ? process_timeout+0x40/0x40 [ 465.116884] ? __run_timers+0x7da/0xc70 [ 465.120868] ? _raw_spin_unlock_irq+0x27/0x80 [ 465.125362] ? _raw_spin_unlock_irq+0x27/0x80 [ 465.129856] ? br_multicast_del_pg+0x790/0x790 [ 465.134440] ? lockdep_hardirqs_on+0x296/0x5b0 [ 465.139027] ? trace_hardirqs_on+0xbd/0x310 [ 465.143347] ? kasan_check_read+0x11/0x20 [ 465.147499] ? __run_timers+0x7da/0xc70 [ 465.151478] ? trace_hardirqs_off_caller+0x310/0x310 [ 465.156585] ? br_multicast_del_pg+0x790/0x790 [ 465.161174] ? br_multicast_del_pg+0x790/0x790 [ 465.165756] __run_timers+0x7e5/0xc70