tainted 4.20.0-rc1+ #145 [ 341.220262] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 341.227575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 341.227580] Call Trace: [ 341.227587] [ 341.227609] dump_stack+0x244/0x39d [ 341.227628] ? dump_stack_print_info.cold.1+0x20/0x20 [ 341.234192] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 341.243576] warn_alloc.cold.116+0xb7/0x1bd [ 341.246140] syz-fuzzer cpuset=/ mems_allowed=0 [ 341.248295] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 341.281059] ? lock_downgrade+0x900/0x900 [ 341.285230] ? trace_hardirqs_off+0xb8/0x310 [ 341.289655] ? trace_hardirqs_off+0xb8/0x310 [ 341.294090] __alloc_pages_slowpath+0x26e8/0x2e10 [ 341.298971] ? warn_alloc+0x120/0x120 [ 341.302790] ? warn_alloc+0x120/0x120 [ 341.306602] ? warn_alloc+0x120/0x120 [ 341.310425] ? print_usage_bug+0xc0/0xc0 [ 341.314501] ? print_usage_bug+0xc0/0xc0 [ 341.318578] ? check_usage_forwards+0x3d0/0x3d0 [ 341.323258] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 341.328807] ? should_fail+0x22d/0xd01 [ 341.332705] ? __bfs+0x321/0x780 [ 341.336087] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 341.341200] ? __lock_acquire+0x62f/0x4c20 [ 341.345452] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 341.350565] ? __lock_acquire+0x62f/0x4c20 [ 341.354806] ? should_fail+0x22d/0xd01 [ 341.358704] ? trace_hardirqs_on+0x310/0x310 [ 341.363130] ? mark_held_locks+0x130/0x130 [ 341.367380] ? mark_held_locks+0x130/0x130 [ 341.371632] ? kasan_check_read+0x11/0x20 [ 341.375792] ? __lock_acquire+0x2aff/0x4c20 [ 341.380124] ? zap_class+0x640/0x640 [ 341.383852] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.389399] ? check_preemption_disabled+0x48/0x280 [ 341.394433] ? __lock_is_held+0xb5/0x140 [ 341.398508] __alloc_pages_nodemask+0xa80/0xde0 [ 341.403189] ? zap_class+0x640/0x640 [ 341.406919] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 341.411960] ? find_held_lock+0x36/0x1c0 [ 341.416062] ? ____cache_alloc_node+0x1c7/0x1e0 [ 341.420748] ? lock_downgrade+0x900/0x900 [ 341.424913] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.430465] cache_grow_begin+0xa5/0x8c0 [ 341.434533] ? do_raw_spin_unlock+0xa7/0x330 [ 341.438966] fallback_alloc+0x204/0x2e0 [ 341.442955] ____cache_alloc_node+0x1c7/0x1e0 [ 341.447468] kmem_cache_alloc_node+0xe3/0x730 [ 341.452037] ? do_raw_spin_unlock+0xa7/0x330 [ 341.456461] ? do_raw_spin_trylock+0x270/0x270 [ 341.461074] __alloc_skb+0x119/0x770 [ 341.464801] ? netdev_alloc_frag+0x1f0/0x1f0 [ 341.469217] ? atomic_notifier_call_chain+0xc6/0x190 [ 341.474333] ? lock_downgrade+0x900/0x900 [ 341.478491] ? check_preemption_disabled+0x48/0x280 [ 341.483520] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 341.488463] ? kasan_check_read+0x11/0x20 [ 341.492667] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 341.497956] ? rcu_softirq_qs+0x20/0x20 [ 341.501939] ? kasan_check_read+0x11/0x20 [ 341.506107] ? do_raw_write_trylock+0x270/0x270 [ 341.510794] __neigh_notify+0x8c/0x160 [ 341.514692] ? neigh_connected_output+0x780/0x780 [ 341.519552] neigh_timer_handler+0x6cb/0xdf0 [ 341.523971] ? check_preemption_disabled+0x48/0x280 [ 341.529002] ? neigh_periodic_work+0xc60/0xc60 [ 341.533613] ? __lock_is_held+0xb5/0x140 [ 341.537698] call_timer_fn+0x272/0x920 [ 341.541593] ? neigh_periodic_work+0xc60/0xc60 [ 341.546184] ? process_timeout+0x40/0x40 [ 341.550262] ? __run_timers+0x7da/0xc70 [ 341.554247] ? _raw_spin_unlock_irq+0x27/0x80 [ 341.558747] ? _raw_spin_unlock_irq+0x27/0x80 [ 341.563247] ? neigh_periodic_work+0xc60/0xc60 [ 341.567837] ? lockdep_hardirqs_on+0x296/0x5b0 [ 341.572429] ? trace_hardirqs_on+0xbd/0x310 [ 341.576761] ? kasan_check_read+0x11/0x20 [ 341.580914] ? __run_timers+0x7da/0xc70 [ 341.584900] ? trace_hardirqs_off_caller+0x310/0x310 [ 341.590044] ? neigh_periodic_work+0xc60/0xc60 [ 341.594635] __run_timers+0x7e5/0xc70 [ 341.598457] ? timer_fixup_init+0x70/0x70 [ 341.602713] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 341.607740] ? zap_class+0x640/0x640 [ 341.611468] ? enqueue_hrtimer+0x1a5/0x560 [ 341.615713] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 341.620918] ? find_held_lock+0x36/0x1c0 [ 341.624998] ? zap_class+0x640/0x640 [ 341.628741] ? pvclock_read_flags+0x160/0x160 [ 341.633258] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.638804] ? check_preemption_disabled+0x48/0x280 [ 341.643837] ? __lock_is_held+0xb5/0x140 [ 341.647906] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.653455] ? check_preemption_disabled+0x48/0x280 [ 341.658485] run_timer_softirq+0x52/0xb0 [ 341.662563] ? rcu_read_lock_sched_held+0x14f/0x180 [ 341.667590] __do_softirq+0x308/0xb7e [ 341.671402] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 341.675907] ? lock_downgrade+0x900/0x900 [ 341.680075] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 341.685195] ? pvclock_read_flags+0x160/0x160 [ 341.689703] ? lapic_next_event+0x5a/0x90 [ 341.693866] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.699420] ? kvm_clock_read+0x18/0x30 [ 341.703405] ? kvm_sched_clock_read+0x9/0x20 [ 341.707828] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.713461] ? check_preemption_disabled+0x48/0x280 [ 341.718505] irq_exit+0x17f/0x1c0 [ 341.721971] smp_apic_timer_interrupt+0x1cb/0x760 [ 341.726822] ? smp_reschedule_interrupt+0x109/0x650 [ 341.731851] ? smp_call_function_single_interrupt+0x650/0x650 [ 341.737747] ? interrupt_entry+0xb5/0xc0 [ 341.741822] ? trace_hardirqs_off_caller+0xbb/0x310 [ 341.746847] ? trace_hardirqs_off_caller+0xbb/0x310 [ 341.751875] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 341.756726] ? trace_hardirqs_on_caller+0x310/0x310 [ 341.761749] ? trace_hardirqs_on_caller+0x310/0x310 [ 341.766786] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 341.771651] apic_timer_interrupt+0xf/0x20 [ 341.775887] [ 341.778140] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 341.783082] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7 [ 341.801991] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 341.809740] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 341.817015] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286 [ 341.824308] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000 [ 341.831585] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 341.838858] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020 [ 341.846177] skb_clone+0x1bb/0x500 [ 341.849734] ? finish_task_switch+0x1b4/0x910 [ 341.854241] ? skb_split+0x11e0/0x11e0 [ 341.858142] ? preempt_notifier_register+0x200/0x200 [ 341.863252] ? __switch_to_asm+0x34/0x70 [ 341.867322] ? __switch_to_asm+0x34/0x70 [ 341.871391] ? __switch_to_asm+0x40/0x70 [ 341.875460] ? __switch_to_asm+0x34/0x70 [ 341.879528] ? __switch_to_asm+0x40/0x70 [ 341.883599] ? __switch_to_asm+0x34/0x70 [ 341.887668] ? __switch_to_asm+0x40/0x70 [ 341.891735] ? __switch_to_asm+0x34/0x70 [ 341.895802] ? __switch_to_asm+0x34/0x70 [ 341.899872] ? __switch_to_asm+0x40/0x70 [ 341.903942] ? __switch_to_asm+0x34/0x70 [ 341.908107] bpf_clone_redirect+0xb9/0x490 [ 341.912351] ? __schedule+0x8d7/0x21d0 [ 341.916255] bpf_prog_bebbfe2050753572+0x1d8/0x1000 [ 341.921282] ? __sched_text_start+0x8/0x8 [ 341.925443] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 341.930049] ? retint_kernel+0x2d/0x2d [ 341.933950] ? trace_hardirqs_on_caller+0xc0/0x310 [ 341.938894] ? find_held_lock+0x36/0x1c0 [ 341.942970] ? lock_acquire+0x1ed/0x520 [ 341.946953] ? bpf_test_run+0x3cb/0x780 [ 341.950943] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.956491] ? check_preemption_disabled+0x48/0x280 [ 341.961521] ? kasan_check_read+0x11/0x20 [ 341.965680] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 341.970967] ? rcu_softirq_qs+0x20/0x20 [ 341.974952] ? preempt_schedule+0x4d/0x60 [ 341.979111] ? ___preempt_schedule+0x16/0x18 [ 341.983539] ? bpf_test_run+0x25d/0x780 [ 341.987538] ? netlink_diag_dump+0x2a0/0x2a0 [ 341.991966] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 341.997514] ? bpf_test_init.isra.10+0x70/0x100 [ 342.002203] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 342.006982] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 342.011833] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 342.017381] ? fput+0x130/0x1a0 [ 342.020670] ? __bpf_prog_get+0x9b/0x290 [ 342.024747] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 342.029595] ? bpf_prog_test_run+0x130/0x1a0 [ 342.034034] ? __x64_sys_bpf+0x3d8/0x520 [ 342.038106] ? bpf_prog_get+0x20/0x20 [ 342.041937] ? do_syscall_64+0x1b9/0x820 [ 342.046004] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 342.051398] ? syscall_return_slowpath+0x5e0/0x5e0 [ 342.056335] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 342.061191] ? trace_hardirqs_on_caller+0x310/0x310 [ 342.066216] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 342.071244] ? prepare_exit_to_usermode+0x291/0x3b0 [ 342.076280] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 342.081143] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 342.086534] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145 [ 342.086539] warn_alloc_show_mem: 1 callbacks suppressed [ 342.086551] Mem-Info: [ 342.093570] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 342.098946] active_anon:51179 inactive_anon:236 isolated_anon:0 [ 342.098946] active_file:17 inactive_file:9 isolated_file:0 [ 342.098946] unevictable:0 dirty:0 writeback:0 unstable:0 [ 342.098946] slab_reclaimable:9362 slab_unreclaimable:1467319 [ 342.098946] mapped:16386 shmem:283 pagetables:457 bounce:0 [ 342.098946] free:13694 free_pcp:258 free_cma:0 [ 342.101326] Call Trace: [ 342.110725] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 342.143491] [ 342.146074] 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 [ 342.173576] dump_stack+0x244/0x39d [ 342.175702] lowmem_reserve[]: 0 2818 6321 6321 [ 342.201820] ? dump_stack_print_info.cold.1+0x20/0x20 [ 342.205432] Node 0 DMA32 free:24972kB 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:0kB local_pcp:0kB free_cma:0kB [ 342.210046] warn_alloc.cold.116+0xb7/0x1bd [ 342.215207] lowmem_reserve[]: 0 0 3503 3503 [ 342.242363] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 342.246665] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB [ 342.250991] ? lock_downgrade+0x900/0x900 [ 342.255819] lowmem_reserve[]: 0 0 0 0 [ 342.284802] ? trace_hardirqs_off+0xb8/0x310 [ 342.288925] 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 [ 342.292735] ? trace_hardirqs_off+0xb8/0x310 [ 342.297125] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB [ 342.310659] __alloc_pages_slowpath+0x26e8/0x2e10 [ 342.315061] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB [ 342.330264] ? warn_alloc+0x120/0x120 [ 342.335074] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 342.349291] ? print_usage_bug+0xc0/0xc0 [ 342.353085] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 342.361919] ? warn_alloc+0x120/0x120 [ 342.365966] 309 total pagecache pages [ 342.374539] ? warn_alloc+0x120/0x120 [ 342.378334] 0 pages in swap cache [ 342.382134] ? print_usage_bug+0xc0/0xc0 [ 342.385923] Swap cache stats: add 0, delete 0, find 0/0 [ 342.389376] ? kvm_clock_read+0x18/0x30 [ 342.393420] Free swap = 0kB [ 342.398788] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 342.402743] Total swap = 0kB [ 342.405767] ? print_usage_bug+0xc0/0xc0 [ 342.410766] 1965979 pages RAM [ 342.413786] ? __lock_acquire+0x62f/0x4c20 [ 342.417829] 0 pages HighMem/MovableOnly [ 342.420940] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 342.425159] 342853 pages reserved [ 342.429222] ? should_fail+0x22d/0xd01 [ 342.434741] 0 pages cma reserved [ 342.438197] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 342.450719] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 342.455838] ? __lock_acquire+0x62f/0x4c20 [ 342.460098] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 342.465220] ? __lock_acquire+0x62f/0x4c20 [ 342.469470] ? should_fail+0x22d/0xd01 [ 342.471008] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 342.473373] ? rcu_irq_exit+0x1a2/0x390 [ 342.483850] syz-executor2 cpuset=syz2 mems_allowed=0 [ 342.487831] ? mark_held_locks+0x130/0x130 [ 342.497152] ? mark_held_locks+0x130/0x130 [ 342.501403] ? mark_held_locks+0xc7/0x130 [ 342.505565] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 342.510590] ? zap_class+0x640/0x640 [ 342.514319] ? print_usage_bug+0xc0/0xc0 [ 342.518394] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.523940] ? check_preemption_disabled+0x48/0x280 [ 342.528978] ? __lock_is_held+0xb5/0x140 [ 342.533081] __alloc_pages_nodemask+0xa80/0xde0 [ 342.537759] ? zap_class+0x640/0x640 [ 342.541485] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 342.546524] ? find_held_lock+0x36/0x1c0 [ 342.550603] ? ____cache_alloc_node+0x1c7/0x1e0 [ 342.555281] ? lock_downgrade+0x900/0x900 [ 342.559451] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.565003] cache_grow_begin+0xa5/0x8c0 [ 342.569099] ? do_raw_spin_unlock+0xa7/0x330 [ 342.573525] fallback_alloc+0x204/0x2e0 [ 342.577519] ____cache_alloc_node+0x1c7/0x1e0 [ 342.582053] kmem_cache_alloc_node+0xe3/0x730 [ 342.586557] ? ipv6_get_ifaddr+0x42e/0x620 [ 342.590811] __alloc_skb+0x119/0x770 [ 342.594538] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 342.599827] ? netdev_alloc_frag+0x1f0/0x1f0 [ 342.604248] ? lock_downgrade+0x900/0x900 [ 342.608418] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.614434] ? refcount_sub_and_test_checked+0x203/0x310 [ 342.619986] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 342.625467] ? addrconf_rs_timer+0x690/0x690 [ 342.629896] ndisc_alloc_skb+0x144/0x340 [ 342.633975] ndisc_send_rs+0x331/0x6e0 [ 342.637877] addrconf_rs_timer+0x314/0x690 [ 342.642131] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 342.646388] call_timer_fn+0x272/0x920 [ 342.650283] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 342.654525] ? process_timeout+0x40/0x40 [ 342.658604] ? mark_held_locks+0xc7/0x130 [ 342.662763] ? _raw_spin_unlock_irq+0x27/0x80 [ 342.667267] ? _raw_spin_unlock_irq+0x27/0x80 [ 342.671772] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 342.676037] ? lockdep_hardirqs_on+0x296/0x5b0 [ 342.680641] ? trace_hardirqs_on+0xbd/0x310 [ 342.684974] ? kasan_check_read+0x11/0x20 [ 342.689155] ? __run_timers+0x7da/0xc70 [ 342.693145] ? trace_hardirqs_off_caller+0x310/0x310 [ 342.698266] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 342.702517] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 342.706772] __run_timers+0x7e5/0xc70 [ 342.710590] ? timer_fixup_init+0x70/0x70 [ 342.714754] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 342.719828] ? zap_class+0x640/0x640 [ 342.723558] ? print_usage_bug+0xc0/0xc0 [ 342.727635] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 342.732840] ? find_held_lock+0x36/0x1c0 [ 342.736916] ? zap_class+0x640/0x640 [ 342.740645] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.746376] ? check_preemption_disabled+0x48/0x280 [ 342.751411] ? __lock_is_held+0xb5/0x140 [ 342.755485] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.761060] ? check_preemption_disabled+0x48/0x280 [ 342.766093] run_timer_softirq+0x52/0xb0 [ 342.770165] ? rcu_read_lock_sched_held+0x14f/0x180 [ 342.775194] __do_softirq+0x308/0xb7e [ 342.779011] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 342.783535] ? lock_downgrade+0x900/0x900 [ 342.787697] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 342.792816] ? pvclock_read_flags+0x160/0x160 [ 342.797322] ? lapic_next_event+0x5a/0x90 [ 342.801483] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.807058] ? kvm_clock_read+0x18/0x30 [ 342.811065] ? kvm_sched_clock_read+0x9/0x20 [ 342.815484] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.821056] ? check_preemption_disabled+0x48/0x280 [ 342.826103] irq_exit+0x17f/0x1c0 [ 342.829568] smp_apic_timer_interrupt+0x1cb/0x760 [ 342.834422] ? smp_reschedule_interrupt+0x109/0x650 [ 342.839452] ? smp_call_function_single_interrupt+0x650/0x650 [ 342.845344] ? interrupt_entry+0xb5/0xc0 [ 342.849420] ? trace_hardirqs_off_caller+0xbb/0x310 [ 342.854445] ? trace_hardirqs_off_caller+0xbb/0x310 [ 342.859475] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 342.864335] ? trace_hardirqs_on_caller+0x310/0x310 [ 342.869361] ? trace_hardirqs_on_caller+0x310/0x310 [ 342.874387] ? task_prio+0x50/0x50 [ 342.877941] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.883494] ? check_preemption_disabled+0x48/0x280 [ 342.888527] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 342.893392] apic_timer_interrupt+0xf/0x20 [ 342.897631] [ 342.899878] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 342.905099] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 342.924006] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 342.931753] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e [ 342.939049] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc [ 342.946327] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 342.953605] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000 [ 342.960877] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 342.968191] retint_kernel+0x1b/0x2d [ 342.971916] RIP: 0010:dump_stack+0x358/0x39d [ 342.976343] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 342.995253] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 343.002965] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e [ 343.010238] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 343.017513] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 343.024789] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45 [ 343.032072] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 343.039376] ? dump_stack+0x34f/0x39d [ 343.043203] ? dump_stack_print_info.cold.1+0x20/0x20 [ 343.048412] ? mark_held_locks+0x130/0x130 [ 343.052660] ? mark_held_locks+0x130/0x130 [ 343.056911] dump_header+0x27b/0xf72 [ 343.060648] ? pagefault_out_of_memory+0x197/0x197 [ 343.065597] ? __lock_acquire+0x62f/0x4c20 [ 343.069843] ? percpu_ref_get_many+0x240/0x240 [ 343.074441] ? print_usage_bug+0xc0/0xc0 [ 343.078520] ? zap_class+0x640/0x640 [ 343.082251] ? print_usage_bug+0xc0/0xc0 [ 343.086321] ? print_usage_bug+0xc0/0xc0 [ 343.090391] ? zap_class+0x640/0x640 [ 343.094122] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 343.099676] ? find_held_lock+0x36/0x1c0 [ 343.103755] ? mark_held_locks+0xc7/0x130 [ 343.107920] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 343.113052] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 343.118166] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 343.122760] ? trace_hardirqs_on+0xbd/0x310 [ 343.127098] ? kasan_check_read+0x11/0x20 [ 343.131253] ? ___ratelimit+0x3b4/0x672 [ 343.135237] ? trace_hardirqs_off_caller+0x310/0x310 [ 343.140351] ? trace_hardirqs_on+0x310/0x310 [ 343.144770] ? lock_downgrade+0x900/0x900 [ 343.148933] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 343.154065] ? ___ratelimit+0x3b9/0x672 [ 343.158076] ? idr_get_free+0xf70/0xf70 [ 343.162077] ? find_held_lock+0x36/0x1c0 [ 343.166163] oom_kill_process.cold.27+0x10/0x903 [ 343.170934] ? zap_class+0x640/0x640 [ 343.174657] ? check_preemption_disabled+0x48/0x280 [ 343.179689] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 343.184628] ? kasan_check_read+0x11/0x20 [ 343.188790] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 343.194082] ? oom_evaluate_task+0x540/0x540 [ 343.198514] ? find_held_lock+0x36/0x1c0 [ 343.202593] ? out_of_memory+0x974/0x1430 [ 343.206756] ? lock_downgrade+0x900/0x900 [ 343.210915] ? check_preemption_disabled+0x48/0x280 [ 343.215948] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 343.220885] ? kasan_check_read+0x11/0x20 [ 343.225061] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 343.230352] ? rcu_softirq_qs+0x20/0x20 [ 343.234340] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 343.239884] ? oom_evaluate_task+0x302/0x540 [ 343.244308] out_of_memory+0xa84/0x1430 [ 343.248300] ? oom_killer_disable+0x3a0/0x3a0 [ 343.252809] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 343.257750] ? __ww_mutex_check_waiters+0x160/0x160 [ 343.262793] __alloc_pages_slowpath+0x2354/0x2e10 [ 343.267675] ? warn_alloc+0x120/0x120 [ 343.271484] ? mark_held_locks+0x130/0x130 [ 343.275735] ? find_get_entry+0xaae/0x1120 [ 343.279988] ? filemap_map_pages+0x1a20/0x1a20 [ 343.284599] ? zap_class+0x640/0x640 [ 343.288332] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 343.293879] ? check_preemption_disabled+0x48/0x280 [ 343.298903] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 343.304451] ? should_fail+0x22d/0xd01 [ 343.308356] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 343.313476] ? zap_class+0x640/0x640 [ 343.317224] ? __lock_is_held+0xb5/0x140 [ 343.321309] ? mark_held_locks+0x130/0x130 [ 343.326163] ? lock_release+0xa00/0xa00 [ 343.330149] ? perf_trace_sched_process_exec+0x860/0x860 [ 343.335608] ? xa_load+0x2ba/0x460 [ 343.339156] ? lock_downgrade+0x900/0x900 [ 343.343320] ? __might_sleep+0x95/0x190 [ 343.347318] __alloc_pages_nodemask+0xa80/0xde0 [ 343.352005] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 343.357074] ? __page_cache_alloc+0x191/0x5c0 [ 343.361577] ? xa_load+0x2e1/0x460 [ 343.365127] ? xa_clear_mark+0x40/0x40 [ 343.369047] ? zap_class+0x640/0x640 [ 343.372780] ? zap_class+0x640/0x640 [ 343.376505] ? zap_class+0x640/0x640 [ 343.380232] ? __do_page_cache_readahead+0x663/0x810 [ 343.385349] ? find_held_lock+0x36/0x1c0 [ 343.389423] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 343.394981] alloc_pages_current+0x173/0x350 [ 343.400455] __page_cache_alloc+0x38c/0x5c0 [ 343.404787] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 343.409727] ? kasan_check_read+0x11/0x20 [ 343.413887] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 343.419175] ? generic_perform_write+0x6a0/0x6a0 [ 343.423941] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 343.430624] ? check_preemption_disabled+0x48/0x280 [ 343.435660] filemap_fault+0x1595/0x25f0 [ 343.439745] ? __lock_page_or_retry+0xa00/0xa00 [ 343.444424] ? mark_held_locks+0x130/0x130 [ 343.448681] ? filemap_map_pages+0xd6b/0x1a20 [ 343.453187] ? lock_downgrade+0x900/0x900 [ 343.457346] ? check_preemption_disabled+0x48/0x280 [ 343.462377] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 343.467316] ? kasan_check_read+0x11/0x20 [ 343.471471] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 343.476762] ? rcu_softirq_qs+0x20/0x20 [ 343.480764] ? filemap_map_pages+0xd92/0x1a20 [ 343.485287] ? find_get_entries_tag+0x1400/0x1400 [ 343.490144] ? ep_scan_ready_list+0xbc7/0x1050 [ 343.494739] ? trace_hardirqs_off_caller+0x310/0x310 [ 343.499867] ? lock_acquire+0x1ed/0x520 [ 343.503848] ? ext4_filemap_fault+0x7a/0xad [ 343.508187] ? lock_release+0xa00/0xa00 [ 343.512215] ? perf_trace_sched_process_exec+0x860/0x860 [ 343.517678] ? print_usage_bug+0xc0/0xc0 [ 343.521752] ? print_usage_bug+0xc0/0xc0 [ 343.525834] ? down_read+0x8d/0x120 [ 343.529468] ? ext4_filemap_fault+0x7a/0xad [ 343.533802] ? __down_interruptible+0x700/0x700 [ 343.538496] ext4_filemap_fault+0x82/0xad [ 343.542658] __do_fault+0x100/0x6b0 [ 343.546304] ? pmd_devmap_trans_unstable+0x220/0x220 [ 343.551420] ? mark_held_locks+0x130/0x130 [ 343.555666] ? mark_held_locks+0x130/0x130 [ 343.559916] ? kasan_check_read+0x11/0x20 [ 343.564080] ? ep_poll+0xffa/0x13d0 [ 343.567717] ? trace_hardirqs_off_caller+0x310/0x310 [ 343.572840] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 343.578391] __handle_mm_fault+0x3ea0/0x5be0 [ 343.582806] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 343.588360] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 343.593217] ? do_epoll_create+0x590/0x590 [ 343.597460] ? kasan_check_read+0x11/0x20 [ 343.601770] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 343.607070] ? rcu_softirq_qs+0x20/0x20 [ 343.611156] ? zap_class+0x640/0x640 [ 343.614880] ? zap_class+0x640/0x640 [ 343.618608] ? find_held_lock+0x36/0x1c0 [ 343.622687] ? handle_mm_fault+0x42a/0xc70 [ 343.626931] ? lock_downgrade+0x900/0x900 [ 343.631089] ? check_preemption_disabled+0x48/0x280 [ 343.636117] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 343.641077] ? kasan_check_read+0x11/0x20 [ 343.645231] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 343.650517] ? rcu_softirq_qs+0x20/0x20 [ 343.654520] ? trace_hardirqs_off_caller+0x310/0x310 [ 343.659643] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 343.665195] ? check_preemption_disabled+0x48/0x280 [ 343.670235] handle_mm_fault+0x54f/0xc70 [ 343.674309] ? __handle_mm_fault+0x5be0/0x5be0 [ 343.678906] ? find_vma+0x34/0x190 [ 343.682460] __do_page_fault+0x5e8/0xe60 [ 343.686528] ? trace_hardirqs_off+0xb8/0x310 [ 343.690943] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 343.696497] do_page_fault+0xf2/0x7e0 [ 343.700313] ? vmalloc_sync_all+0x30/0x30 [ 343.704472] ? error_entry+0x70/0xd0 [ 343.708200] ? trace_hardirqs_off_caller+0xbb/0x310 [ 343.713227] ? trace_hardirqs_on_caller+0xc0/0x310 [ 343.718165] ? syscall_return_slowpath+0x5e0/0x5e0 [ 343.723103] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 343.727955] ? trace_hardirqs_on_caller+0x310/0x310 [ 343.732980] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 343.738442] ? prepare_exit_to_usermode+0x291/0x3b0 [ 343.743465] ? page_fault+0x8/0x30 [ 343.747037] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 343.751898] ? page_fault+0x8/0x30 [ 343.755448] page_fault+0x1e/0x30 [ 343.758906] RIP: 0033:0x45df89 [ 343.762123] Code: Bad RIP value. [ 343.765674] RSP: 002b:000000c42017b850 EFLAGS: 00010246 [ 343.771059] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89 [ 343.778335] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004 [ 343.785608] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500 [ 343.792884] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8 [ 343.800160] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff [ 343.807467] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145 [ 343.807532] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 343.814848] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 343.814854] Call Trace: [ 343.814880] dump_stack+0x244/0x39d [ 343.814901] ? dump_stack_print_info.cold.1+0x20/0x20 [ 343.821641] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 343.830844] warn_alloc.cold.116+0xb7/0x1bd [ 343.833427] syz-fuzzer cpuset=/ mems_allowed=0 [ 343.837070] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 343.866199] ? lock_downgrade+0x900/0x900 [ 343.870370] ? trace_hardirqs_off+0xb8/0x310 [ 343.874799] ? trace_hardirqs_off+0xb8/0x310 [ 343.879233] __alloc_pages_slowpath+0x26e8/0x2e10 [ 343.884135] ? warn_alloc+0x120/0x120 [ 343.887953] ? warn_alloc+0x120/0x120 [ 343.891766] ? dev_hard_start_xmit+0x42c/0xc80 [ 343.896361] ? warn_alloc+0x120/0x120 [ 343.900178] ? print_usage_bug+0xc0/0xc0 [ 343.904251] ? find_held_lock+0x36/0x1c0 [ 343.908326] ? print_usage_bug+0xc0/0xc0 [ 343.912403] ? cpuacct_charge+0x265/0x440 [ 343.916570] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 343.922121] ? should_fail+0x22d/0xd01 [ 343.926016] ? find_held_lock+0x36/0x1c0 [ 343.930113] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 343.935226] ? __lock_acquire+0x62f/0x4c20 [ 343.939478] ? should_fail+0x22d/0xd01 [ 343.943390] ? mark_held_locks+0x130/0x130 [ 343.947640] ? mark_held_locks+0x130/0x130 [ 343.951889] ? __lock_acquire+0x62f/0x4c20 [ 343.956146] ? zap_class+0x640/0x640 [ 343.959870] ? __lock_is_held+0xb5/0x140 [ 343.963951] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 343.969506] ? check_preemption_disabled+0x48/0x280 [ 343.974558] ? __lock_is_held+0xb5/0x140 [ 343.978644] __alloc_pages_nodemask+0xa80/0xde0 [ 343.983377] ? zap_class+0x640/0x640 [ 343.987112] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 343.992152] ? find_held_lock+0x36/0x1c0 [ 343.996236] ? ____cache_alloc_node+0x1c7/0x1e0 [ 344.000917] ? lock_downgrade+0x900/0x900 [ 344.005099] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 344.010656] cache_grow_begin+0xa5/0x8c0 [ 344.014729] ? do_raw_spin_unlock+0xa7/0x330 [ 344.019158] fallback_alloc+0x204/0x2e0 [ 344.023154] ____cache_alloc_node+0x1c7/0x1e0 [ 344.027670] kmem_cache_alloc+0x1f8/0x730 [ 344.031845] skb_clone+0x1bb/0x500 [ 344.035398] ? finish_task_switch+0x2f4/0x910 [ 344.039905] ? skb_split+0x11e0/0x11e0 [ 344.043804] ? preempt_notifier_register+0x200/0x200 [ 344.048917] ? __switch_to_asm+0x34/0x70 [ 344.052990] ? __switch_to_asm+0x34/0x70 [ 344.057078] ? __switch_to_asm+0x40/0x70 [ 344.061150] ? __switch_to_asm+0x34/0x70 [ 344.065219] ? __switch_to_asm+0x40/0x70 [ 344.069290] ? __switch_to_asm+0x34/0x70 [ 344.073358] ? __switch_to_asm+0x40/0x70 [ 344.077429] ? __switch_to_asm+0x34/0x70 [ 344.081499] ? __switch_to_asm+0x34/0x70 [ 344.085570] ? __switch_to_asm+0x40/0x70 [ 344.089638] ? __switch_to_asm+0x34/0x70 [ 344.093720] bpf_clone_redirect+0xb9/0x490 [ 344.097971] ? __schedule+0x8d7/0x21d0 [ 344.101877] bpf_prog_bebbfe2050753572+0x1d8/0x1000 [ 344.106907] ? __sched_text_start+0x8/0x8 [ 344.111085] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 344.115681] ? retint_kernel+0x2d/0x2d [ 344.119585] ? trace_hardirqs_on_caller+0xc0/0x310 [ 344.124529] ? find_held_lock+0x36/0x1c0 [ 344.128615] ? lock_acquire+0x1ed/0x520 [ 344.132605] ? bpf_test_run+0x3cb/0x780 [ 344.136682] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.142256] ? check_preemption_disabled+0x48/0x280 [ 344.147290] ? kasan_check_read+0x11/0x20 [ 344.151450] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 344.156739] ? rcu_softirq_qs+0x20/0x20 [ 344.160729] ? preempt_schedule+0x4d/0x60 [ 344.164891] ? ___preempt_schedule+0x16/0x18 [ 344.169327] ? bpf_test_run+0x25d/0x780 [ 344.173328] ? netlink_diag_dump+0x2a0/0x2a0 [ 344.177752] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 344.183303] ? bpf_test_init.isra.10+0x70/0x100 [ 344.187993] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 344.192789] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 344.197693] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 344.203243] ? fput+0x130/0x1a0 [ 344.206539] ? __bpf_prog_get+0x9b/0x290 [ 344.210624] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 344.215477] ? bpf_prog_test_run+0x130/0x1a0 [ 344.219899] ? __x64_sys_bpf+0x3d8/0x520 [ 344.223972] ? bpf_prog_get+0x20/0x20 [ 344.227808] ? do_syscall_64+0x1b9/0x820 [ 344.231926] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 344.237350] ? syscall_return_slowpath+0x5e0/0x5e0 [ 344.242295] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 344.247154] ? trace_hardirqs_on_caller+0x310/0x310 [ 344.252184] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 344.257213] ? prepare_exit_to_usermode+0x291/0x3b0 [ 344.262253] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 344.267117] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 344.272505] warn_alloc_show_mem: 1 callbacks suppressed [ 344.272518] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145 [ 344.272520] Mem-Info: [ 344.272564] active_anon:51179 inactive_anon:236 isolated_anon:0 [ 344.272564] active_file:17 inactive_file:9 isolated_file:0 [ 344.272564] unevictable:0 dirty:0 writeback:0 unstable:0 [ 344.272564] slab_reclaimable:9362 slab_unreclaimable:1467319 [ 344.272564] mapped:16386 shmem:283 pagetables:457 bounce:0 [ 344.272564] free:13694 free_pcp:258 free_cma:0 [ 344.277897] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 344.284926] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 344.287338] Call Trace: [ 344.320128] 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 [ 344.329488] [ 344.356982] lowmem_reserve[]: 0 2818 6321 6321 [ 344.359616] dump_stack+0x244/0x39d [ 344.385710] Node 0 DMA32 free:24972kB 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:0kB local_pcp:0kB free_cma:0kB [ 344.387880] ? dump_stack_print_info.cold.1+0x20/0x20 [ 344.392435] lowmem_reserve[]: 0 0 3503 3503 [ 344.396091] warn_alloc.cold.116+0xb7/0x1bd [ 344.423216] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB [ 344.428411] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 344.432705] lowmem_reserve[]: 0 0 0 0 [ 344.437039] ? lock_downgrade+0x900/0x900 [ 344.465987] 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 [ 344.470834] ? trace_hardirqs_off+0xb8/0x310 [ 344.474601] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB [ 344.478747] ? trace_hardirqs_off+0xb8/0x310 [ 344.492246] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB [ 344.496657] __alloc_pages_slowpath+0x26e8/0x2e10 [ 344.511814] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 344.516245] ? warn_alloc+0x120/0x120 [ 344.530422] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 344.535265] ? print_usage_bug+0xc0/0xc0 [ 344.544073] 309 total pagecache pages [ 344.547876] ? warn_alloc+0x120/0x120 [ 344.556607] 0 pages in swap cache [ 344.560664] ? warn_alloc+0x120/0x120 [ 344.564443] Swap cache stats: add 0, delete 0, find 0/0 [ 344.568236] ? print_usage_bug+0xc0/0xc0 [ 344.571662] Free swap = 0kB [ 344.575454] ? print_usage_bug+0xc0/0xc0 [ 344.580810] Total swap = 0kB [ 344.584868] ? __lock_acquire+0x62f/0x4c20 [ 344.587862] 1965979 pages RAM [ 344.591922] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 344.594914] 0 pages HighMem/MovableOnly [ 344.599142] ? should_fail+0x22d/0xd01 [ 344.602223] 342853 pages reserved [ 344.607756] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 344.611965] 0 pages cma reserved [ 344.627742] ? __lock_acquire+0x62f/0x4c20 [ 344.631993] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 344.637115] ? __lock_acquire+0x62f/0x4c20 [ 344.640784] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 344.641362] ? should_fail+0x22d/0xd01 [ 344.651831] syz-executor2 cpuset=syz2 mems_allowed=0 [ 344.655724] ? mark_held_locks+0x130/0x130 [ 344.665035] ? mark_held_locks+0x130/0x130 [ 344.669276] ? try_to_wake_up+0x11c/0x1490 [ 344.673518] ? lock_downgrade+0x900/0x900 [ 344.677669] ? zap_class+0x640/0x640 [ 344.681388] ? print_usage_bug+0xc0/0xc0 [ 344.685455] ? trace_hardirqs_off+0xb8/0x310 [ 344.689865] ? kasan_check_read+0x11/0x20 [ 344.694029] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.699573] ? check_preemption_disabled+0x48/0x280 [ 344.704604] ? __lock_is_held+0xb5/0x140 [ 344.708672] __alloc_pages_nodemask+0xa80/0xde0 [ 344.713344] ? zap_class+0x640/0x640 [ 344.717070] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 344.722099] ? find_held_lock+0x36/0x1c0 [ 344.726175] ? ____cache_alloc_node+0x1c7/0x1e0 [ 344.730852] ? lock_downgrade+0x900/0x900 [ 344.735011] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.740569] cache_grow_begin+0xa5/0x8c0 [ 344.744763] ? do_raw_spin_unlock+0xa7/0x330 [ 344.749182] fallback_alloc+0x204/0x2e0 [ 344.753164] ____cache_alloc_node+0x1c7/0x1e0 [ 344.757665] kmem_cache_alloc_node+0xe3/0x730 [ 344.762163] ? ipv6_get_ifaddr+0x42e/0x620 [ 344.766416] __alloc_skb+0x119/0x770 [ 344.770130] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 344.775414] ? netdev_alloc_frag+0x1f0/0x1f0 [ 344.779828] ? lock_downgrade+0x900/0x900 [ 344.783988] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.789534] ? refcount_sub_and_test_checked+0x203/0x310 [ 344.794989] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 344.800445] ? addrconf_rs_timer+0x690/0x690 [ 344.804866] ndisc_alloc_skb+0x144/0x340 [ 344.808932] ndisc_send_rs+0x331/0x6e0 [ 344.812827] addrconf_rs_timer+0x314/0x690 [ 344.817072] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 344.821320] call_timer_fn+0x272/0x920 [ 344.825206] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 344.829446] ? process_timeout+0x40/0x40 [ 344.833524] ? mark_held_locks+0xc7/0x130 [ 344.837677] ? _raw_spin_unlock_irq+0x27/0x80 [ 344.842172] ? _raw_spin_unlock_irq+0x27/0x80 [ 344.846666] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 344.850900] ? lockdep_hardirqs_on+0x296/0x5b0 [ 344.855486] ? trace_hardirqs_on+0xbd/0x310 [ 344.859812] ? kasan_check_read+0x11/0x20 [ 344.863960] ? __run_timers+0x7da/0xc70 [ 344.867939] ? trace_hardirqs_off_caller+0x310/0x310 [ 344.873067] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 344.877304] __run_timers+0x7e5/0xc70 [ 344.881121] ? timer_fixup_init+0x70/0x70 [ 344.885272] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 344.890292] ? zap_class+0x640/0x640 [ 344.894016] ? print_usage_bug+0xc0/0xc0 [ 344.898093] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 344.903290] ? find_held_lock+0x36/0x1c0 [ 344.907360] ? zap_class+0x640/0x640 [ 344.911087] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.916627] ? check_preemption_disabled+0x48/0x280 [ 344.921657] ? __lock_is_held+0xb5/0x140 [ 344.925723] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.931261] ? check_preemption_disabled+0x48/0x280 [ 344.936285] run_timer_softirq+0x52/0xb0 [ 344.940353] ? rcu_read_lock_sched_held+0x14f/0x180 [ 344.945369] __do_softirq+0x308/0xb7e [ 344.949175] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 344.953674] ? lock_downgrade+0x900/0x900 [ 344.957831] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 344.962946] ? pvclock_read_flags+0x160/0x160 [ 344.967444] ? lapic_next_event+0x5a/0x90 [ 344.971597] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.977145] ? kvm_clock_read+0x18/0x30 [ 344.981121] ? kvm_sched_clock_read+0x9/0x20 [ 344.985536] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.991080] ? check_preemption_disabled+0x48/0x280 [ 344.996107] irq_exit+0x17f/0x1c0 [ 344.999573] smp_apic_timer_interrupt+0x1cb/0x760 [ 345.004413] ? smp_reschedule_interrupt+0x109/0x650 [ 345.009436] ? smp_call_function_single_interrupt+0x650/0x650 [ 345.015319] ? interrupt_entry+0xb5/0xc0 [ 345.019385] ? trace_hardirqs_off_caller+0xbb/0x310 [ 345.024403] ? trace_hardirqs_off_caller+0xbb/0x310 [ 345.029427] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 345.034271] ? trace_hardirqs_on_caller+0x310/0x310 [ 345.039293] ? trace_hardirqs_on_caller+0x310/0x310 [ 345.044314] ? task_prio+0x50/0x50 [ 345.047858] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.053403] ? check_preemption_disabled+0x48/0x280 [ 345.058430] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 345.063282] apic_timer_interrupt+0xf/0x20 [ 345.067511] [ 345.069755] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 345.074944] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 345.093847] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 345.101561] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e [ 345.108834] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc [ 345.116104] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 345.123370] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000 [ 345.130635] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 345.137941] retint_kernel+0x1b/0x2d [ 345.141659] RIP: 0010:dump_stack+0x358/0x39d [ 345.146073] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 345.164983] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 345.172724] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e [ 345.179999] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 345.187272] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 345.194537] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45 [ 345.201807] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 345.209104] ? dump_stack+0x34f/0x39d [ 345.212919] ? dump_stack_print_info.cold.1+0x20/0x20 [ 345.218115] ? mark_held_locks+0x130/0x130 [ 345.222352] ? mark_held_locks+0x130/0x130 [ 345.226597] dump_header+0x27b/0xf72 [ 345.230324] ? pagefault_out_of_memory+0x197/0x197 [ 345.235264] ? __lock_acquire+0x62f/0x4c20 [ 345.239501] ? percpu_ref_get_many+0x240/0x240 [ 345.244086] ? print_usage_bug+0xc0/0xc0 [ 345.248158] ? zap_class+0x640/0x640 [ 345.251874] ? print_usage_bug+0xc0/0xc0 [ 345.255934] ? print_usage_bug+0xc0/0xc0 [ 345.260002] ? zap_class+0x640/0x640 [ 345.263905] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.269446] ? find_held_lock+0x36/0x1c0 [ 345.273521] ? mark_held_locks+0xc7/0x130 [ 345.277677] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 345.282783] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 345.287886] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 345.292480] ? trace_hardirqs_on+0xbd/0x310 [ 345.296805] ? kasan_check_read+0x11/0x20 [ 345.300956] ? ___ratelimit+0x3b4/0x672 [ 345.304936] ? trace_hardirqs_off_caller+0x310/0x310 [ 345.310052] ? trace_hardirqs_on+0x310/0x310 [ 345.314463] ? lock_downgrade+0x900/0x900 [ 345.318619] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 345.323723] ? ___ratelimit+0x3b9/0x672 [ 345.327702] ? idr_get_free+0xf70/0xf70 [ 345.331675] ? find_held_lock+0x36/0x1c0 [ 345.335747] oom_kill_process.cold.27+0x10/0x903 [ 345.340507] ? zap_class+0x640/0x640 [ 345.344226] ? check_preemption_disabled+0x48/0x280 [ 345.349251] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 345.354184] ? kasan_check_read+0x11/0x20 [ 345.358365] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 345.363647] ? oom_evaluate_task+0x540/0x540 [ 345.368069] ? find_held_lock+0x36/0x1c0 [ 345.372146] ? out_of_memory+0x974/0x1430 [ 345.376302] ? lock_downgrade+0x900/0x900 [ 345.380453] ? check_preemption_disabled+0x48/0x280 [ 345.385474] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 345.390404] ? kasan_check_read+0x11/0x20 [ 345.394557] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 345.399835] ? rcu_softirq_qs+0x20/0x20 [ 345.403817] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 345.409353] ? oom_evaluate_task+0x302/0x540 [ 345.413768] out_of_memory+0xa84/0x1430 [ 345.417750] ? oom_killer_disable+0x3a0/0x3a0 [ 345.422252] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 345.427185] ? __ww_mutex_check_waiters+0x160/0x160 [ 345.432216] __alloc_pages_slowpath+0x2354/0x2e10 [ 345.437105] ? warn_alloc+0x120/0x120 [ 345.440914] ? mark_held_locks+0x130/0x130 [ 345.445158] ? find_get_entry+0xaae/0x1120 [ 345.449410] ? filemap_map_pages+0x1a20/0x1a20 [ 345.453998] ? zap_class+0x640/0x640 [ 345.457731] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.463276] ? check_preemption_disabled+0x48/0x280 [ 345.468293] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 345.473835] ? should_fail+0x22d/0xd01 [ 345.477733] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 345.482843] ? zap_class+0x640/0x640 [ 345.486582] ? __lock_is_held+0xb5/0x140 [ 345.490657] ? mark_held_locks+0x130/0x130 [ 345.494897] ? lock_release+0xa00/0xa00 [ 345.498876] ? perf_trace_sched_process_exec+0x860/0x860 [ 345.504330] ? xa_load+0x2ba/0x460 [ 345.507871] ? lock_downgrade+0x900/0x900 [ 345.512037] ? __might_sleep+0x95/0x190 [ 345.516037] __alloc_pages_nodemask+0xa80/0xde0 [ 345.520728] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 345.525746] ? __page_cache_alloc+0x191/0x5c0 [ 345.530242] ? xa_load+0x2e1/0x460 [ 345.533796] ? xa_clear_mark+0x40/0x40 [ 345.537696] ? zap_class+0x640/0x640 [ 345.541424] ? zap_class+0x640/0x640 [ 345.545139] ? zap_class+0x640/0x640 [ 345.548854] ? __do_page_cache_readahead+0x663/0x810 [ 345.553967] ? find_held_lock+0x36/0x1c0 [ 345.558053] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 345.563602] alloc_pages_current+0x173/0x350 [ 345.568033] __page_cache_alloc+0x38c/0x5c0 [ 345.572369] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 345.577299] ? kasan_check_read+0x11/0x20 [ 345.581448] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 345.586732] ? generic_perform_write+0x6a0/0x6a0 [ 345.591491] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 345.597051] ? check_preemption_disabled+0x48/0x280 [ 345.602082] filemap_fault+0x1595/0x25f0 [ 345.606161] ? __lock_page_or_retry+0xa00/0xa00 [ 345.610839] ? mark_held_locks+0x130/0x130 [ 345.615088] ? filemap_map_pages+0xd6b/0x1a20 [ 345.619585] ? lock_downgrade+0x900/0x900 [ 345.623737] ? check_preemption_disabled+0x48/0x280 [ 345.628758] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 345.633689] ? kasan_check_read+0x11/0x20 [ 345.637843] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 345.643123] ? rcu_softirq_qs+0x20/0x20 [ 345.647113] ? filemap_map_pages+0xd92/0x1a20 [ 345.651638] ? find_get_entries_tag+0x1400/0x1400 [ 345.656487] ? ep_scan_ready_list+0xbc7/0x1050 [ 345.661080] ? trace_hardirqs_off_caller+0x310/0x310 [ 345.666204] ? lock_acquire+0x1ed/0x520 [ 345.670181] ? ext4_filemap_fault+0x7a/0xad [ 345.674511] ? lock_release+0xa00/0xa00 [ 345.678488] ? perf_trace_sched_process_exec+0x860/0x860 [ 345.683941] ? print_usage_bug+0xc0/0xc0 [ 345.688004] ? print_usage_bug+0xc0/0xc0 [ 345.692101] ? down_read+0x8d/0x120 [ 345.695733] ? ext4_filemap_fault+0x7a/0xad [ 345.700079] ? __down_interruptible+0x700/0x700 [ 345.704763] ext4_filemap_fault+0x82/0xad [ 345.708915] __do_fault+0x100/0x6b0 [ 345.712546] ? pmd_devmap_trans_unstable+0x220/0x220 [ 345.717655] ? mark_held_locks+0x130/0x130 [ 345.721892] ? mark_held_locks+0x130/0x130 [ 345.726132] ? kasan_check_read+0x11/0x20 [ 345.730280] ? ep_poll+0xffa/0x13d0 [ 345.733913] ? trace_hardirqs_off_caller+0x310/0x310 [ 345.739059] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 345.744604] __handle_mm_fault+0x3ea0/0x5be0 [ 345.749033] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.754586] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 345.759434] ? do_epoll_create+0x590/0x590 [ 345.763667] ? kasan_check_read+0x11/0x20 [ 345.767818] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 345.773098] ? rcu_softirq_qs+0x20/0x20 [ 345.777091] ? zap_class+0x640/0x640 [ 345.780805] ? zap_class+0x640/0x640 [ 345.784531] ? find_held_lock+0x36/0x1c0 [ 345.788622] ? handle_mm_fault+0x42a/0xc70 [ 345.792860] ? lock_downgrade+0x900/0x900 [ 345.797012] ? check_preemption_disabled+0x48/0x280 [ 345.802063] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 345.806999] ? kasan_check_read+0x11/0x20 [ 345.811161] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 345.816437] ? rcu_softirq_qs+0x20/0x20 [ 345.820413] ? trace_hardirqs_off_caller+0x310/0x310 [ 345.825517] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 345.831066] ? check_preemption_disabled+0x48/0x280 [ 345.836098] handle_mm_fault+0x54f/0xc70 [ 345.840168] ? __handle_mm_fault+0x5be0/0x5be0 [ 345.844761] ? find_vma+0x34/0x190 [ 345.848313] __do_page_fault+0x5e8/0xe60 [ 345.852378] ? trace_hardirqs_off+0xb8/0x310 [ 345.856788] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 345.862341] do_page_fault+0xf2/0x7e0 [ 345.866145] ? vmalloc_sync_all+0x30/0x30 [ 345.870299] ? error_entry+0x70/0xd0 [ 345.874026] ? trace_hardirqs_off_caller+0xbb/0x310 [ 345.879057] ? trace_hardirqs_on_caller+0xc0/0x310 [ 345.884003] ? syscall_return_slowpath+0x5e0/0x5e0 [ 345.888947] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 345.893792] ? trace_hardirqs_on_caller+0x310/0x310 [ 345.898814] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 345.904274] ? prepare_exit_to_usermode+0x291/0x3b0 [ 345.909291] ? page_fault+0x8/0x30 [ 345.912836] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 345.917683] ? page_fault+0x8/0x30 [ 345.921230] page_fault+0x1e/0x30 [ 345.924681] RIP: 0033:0x45df89 [ 345.927884] Code: Bad RIP value. [ 345.931245] RSP: 002b:000000c42017b850 EFLAGS: 00010246 [ 345.936605] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89 [ 345.943876] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004 [ 345.951142] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500 [ 345.958410] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8 [ 345.965675] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff [ 345.972993] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145 [ 345.973072] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 345.980370] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 345.980380] Call Trace: [ 345.986966] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 345.996219] dump_stack+0x244/0x39d [ 345.998773] syz-fuzzer cpuset=/ mems_allowed=0 [ 346.009007] ? dump_stack_print_info.cold.1+0x20/0x20 [ 346.022385] warn_alloc.cold.116+0xb7/0x1bd [ 346.026715] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 346.031571] ? lock_downgrade+0x900/0x900 [ 346.035731] ? trace_hardirqs_off+0xb8/0x310 [ 346.040153] ? trace_hardirqs_off+0xb8/0x310 [ 346.044581] __alloc_pages_slowpath+0x26e8/0x2e10 [ 346.049459] ? warn_alloc+0x120/0x120 [ 346.053270] ? warn_alloc+0x120/0x120 [ 346.057087] ? dev_hard_start_xmit+0x42c/0xc80 [ 346.061677] ? warn_alloc+0x120/0x120 [ 346.065489] ? print_usage_bug+0xc0/0xc0 [ 346.069558] ? find_held_lock+0x36/0x1c0 [ 346.073630] ? print_usage_bug+0xc0/0xc0 [ 346.077698] ? cpuacct_charge+0x265/0x440 [ 346.081854] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 346.087400] ? should_fail+0x22d/0xd01 [ 346.091290] ? find_held_lock+0x36/0x1c0 [ 346.095358] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 346.100469] ? __lock_acquire+0x62f/0x4c20 [ 346.104718] ? should_fail+0x22d/0xd01 [ 346.108624] ? mark_held_locks+0x130/0x130 [ 346.112868] ? mark_held_locks+0x130/0x130 [ 346.117110] ? __lock_acquire+0x62f/0x4c20 [ 346.121357] ? zap_class+0x640/0x640 [ 346.125078] ? __lock_is_held+0xb5/0x140 [ 346.129152] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.134700] ? check_preemption_disabled+0x48/0x280 [ 346.139762] ? __lock_is_held+0xb5/0x140 [ 346.143839] __alloc_pages_nodemask+0xa80/0xde0 [ 346.148527] ? zap_class+0x640/0x640 [ 346.152254] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 346.157286] ? find_held_lock+0x36/0x1c0 [ 346.161362] ? ____cache_alloc_node+0x1c7/0x1e0 [ 346.166045] ? lock_downgrade+0x900/0x900 [ 346.170207] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 346.175763] cache_grow_begin+0xa5/0x8c0 [ 346.179835] ? do_raw_spin_unlock+0xa7/0x330 [ 346.184261] fallback_alloc+0x204/0x2e0 [ 346.188245] ____cache_alloc_node+0x1c7/0x1e0 [ 346.192753] kmem_cache_alloc+0x1f8/0x730 [ 346.196919] skb_clone+0x1bb/0x500 [ 346.200462] ? finish_task_switch+0x2f4/0x910 [ 346.204966] ? skb_split+0x11e0/0x11e0 [ 346.208861] ? preempt_notifier_register+0x200/0x200 [ 346.213964] ? __switch_to_asm+0x34/0x70 [ 346.218033] ? __switch_to_asm+0x34/0x70 [ 346.222097] ? __switch_to_asm+0x40/0x70 [ 346.226160] ? __switch_to_asm+0x34/0x70 [ 346.230223] ? __switch_to_asm+0x40/0x70 [ 346.234287] ? __switch_to_asm+0x34/0x70 [ 346.238347] ? __switch_to_asm+0x40/0x70 [ 346.242409] ? __switch_to_asm+0x34/0x70 [ 346.246484] ? __switch_to_asm+0x34/0x70 [ 346.250551] ? __switch_to_asm+0x40/0x70 [ 346.254613] ? __switch_to_asm+0x34/0x70 [ 346.258698] bpf_clone_redirect+0xb9/0x490 [ 346.262932] ? __schedule+0x8d7/0x21d0 [ 346.266826] bpf_prog_bebbfe2050753572+0x1d8/0x1000 [ 346.271847] ? __sched_text_start+0x8/0x8 [ 346.276009] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 346.280602] ? retint_kernel+0x2d/0x2d [ 346.284496] ? trace_hardirqs_on_caller+0xc0/0x310 [ 346.289431] ? find_held_lock+0x36/0x1c0 [ 346.293501] ? lock_acquire+0x1ed/0x520 [ 346.297479] ? bpf_test_run+0x3cb/0x780 [ 346.301457] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.306997] ? check_preemption_disabled+0x48/0x280 [ 346.312048] ? kasan_check_read+0x11/0x20 [ 346.316204] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 346.321482] ? rcu_softirq_qs+0x20/0x20 [ 346.325465] ? preempt_schedule+0x4d/0x60 [ 346.329629] ? ___preempt_schedule+0x16/0x18 [ 346.334056] ? bpf_test_run+0x25d/0x780 [ 346.338053] ? netlink_diag_dump+0x2a0/0x2a0 [ 346.342482] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 346.348026] ? bpf_test_init.isra.10+0x70/0x100 [ 346.352720] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 346.357488] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 346.362335] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 346.367875] ? fput+0x130/0x1a0 [ 346.371162] ? __bpf_prog_get+0x9b/0x290 [ 346.375232] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 346.380078] ? bpf_prog_test_run+0x130/0x1a0 [ 346.384494] ? __x64_sys_bpf+0x3d8/0x520 [ 346.388560] ? bpf_prog_get+0x20/0x20 [ 346.392384] ? do_syscall_64+0x1b9/0x820 [ 346.396475] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 346.401858] ? syscall_return_slowpath+0x5e0/0x5e0 [ 346.406825] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 346.411672] ? trace_hardirqs_on_caller+0x310/0x310 [ 346.416692] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 346.421710] ? prepare_exit_to_usermode+0x291/0x3b0 [ 346.426731] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 346.431597] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 346.436978] warn_alloc_show_mem: 1 callbacks suppressed [ 346.436991] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145 [ 346.436993] Mem-Info: [ 346.437039] active_anon:51179 inactive_anon:236 isolated_anon:0 [ 346.437039] active_file:17 inactive_file:9 isolated_file:0 [ 346.437039] unevictable:0 dirty:0 writeback:0 unstable:0 [ 346.437039] slab_reclaimable:9362 slab_unreclaimable:1467319 [ 346.437039] mapped:16386 shmem:283 pagetables:457 bounce:0 [ 346.437039] free:13694 free_pcp:258 free_cma:0 [ 346.442375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 346.449400] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 346.451796] Call Trace: [ 346.484573] 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 [ 346.493918] [ 346.521398] lowmem_reserve[]: 0 2818 6321 6321 [ 346.523976] dump_stack+0x244/0x39d [ 346.550059] Node 0 DMA32 free:24972kB 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:0kB local_pcp:0kB free_cma:0kB [ 346.552205] ? dump_stack_print_info.cold.1+0x20/0x20 [ 346.556760] lowmem_reserve[]: 0 0 3503 3503 [ 346.560417] warn_alloc.cold.116+0xb7/0x1bd [ 346.587538] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB [ 346.592726] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 346.597029] lowmem_reserve[]: 0 0 0 0 [ 346.601356] ? lock_downgrade+0x900/0x900 [ 346.630426] 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 [ 346.635269] ? trace_hardirqs_off+0xb8/0x310 [ 346.639042] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB [ 346.643197] ? trace_hardirqs_off+0xb8/0x310 [ 346.656693] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB [ 346.661131] __alloc_pages_slowpath+0x26e8/0x2e10 [ 346.676280] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 346.680696] ? warn_alloc+0x120/0x120 [ 346.694877] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 346.699709] ? print_usage_bug+0xc0/0xc0 [ 346.708520] 309 total pagecache pages [ 346.712314] ? warn_alloc+0x120/0x120 [ 346.720870] 0 pages in swap cache [ 346.724917] ? warn_alloc+0x120/0x120 [ 346.728694] Swap cache stats: add 0, delete 0, find 0/0 [ 346.732486] ? print_usage_bug+0xc0/0xc0 [ 346.735913] Free swap = 0kB [ 346.739706] ? kvm_clock_read+0x18/0x30 [ 346.745546] Total swap = 0kB [ 346.745556] 1965979 pages RAM [ 346.749617] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 346.752609] 0 pages HighMem/MovableOnly [ 346.756574] ? print_usage_bug+0xc0/0xc0 [ 346.759568] 342853 pages reserved [ 346.762665] ? __lock_acquire+0x62f/0x4c20 [ 346.767657] 0 pages cma reserved [ 346.771624] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 346.792210] ? should_fail+0x22d/0xd01 [ 346.796104] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 346.801402] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 346.805149] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 346.806515] ? __lock_acquire+0x62f/0x4c20 [ 346.816980] syz-executor2 cpuset=syz2 mems_allowed=0 [ 346.821211] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 346.831398] ? __lock_acquire+0x62f/0x4c20 [ 346.835648] ? should_fail+0x22d/0xd01 [ 346.839533] ? rcu_irq_exit+0x1a2/0x390 [ 346.843516] ? mark_held_locks+0x130/0x130 [ 346.847788] ? mark_held_locks+0x130/0x130 [ 346.852064] ? mark_held_locks+0xc7/0x130 [ 346.856213] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 346.861229] ? zap_class+0x640/0x640 [ 346.864943] ? print_usage_bug+0xc0/0xc0 [ 346.869006] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.874569] ? check_preemption_disabled+0x48/0x280 [ 346.879593] ? __lock_is_held+0xb5/0x140 [ 346.883661] __alloc_pages_nodemask+0xa80/0xde0 [ 346.888333] ? zap_class+0x640/0x640 [ 346.892059] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 346.897089] ? find_held_lock+0x36/0x1c0 [ 346.901165] ? ____cache_alloc_node+0x1c7/0x1e0 [ 346.905838] ? lock_downgrade+0x900/0x900 [ 346.910004] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.915578] cache_grow_begin+0xa5/0x8c0 [ 346.919641] ? do_raw_spin_unlock+0xa7/0x330 [ 346.924065] fallback_alloc+0x204/0x2e0 [ 346.928055] ____cache_alloc_node+0x1c7/0x1e0 [ 346.932557] kmem_cache_alloc_node+0xe3/0x730 [ 346.937060] ? ipv6_get_ifaddr+0x42e/0x620 [ 346.941323] __alloc_skb+0x119/0x770 [ 346.945070] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 346.950357] ? netdev_alloc_frag+0x1f0/0x1f0 [ 346.954768] ? lock_downgrade+0x900/0x900 [ 346.958925] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.964460] ? refcount_sub_and_test_checked+0x203/0x310 [ 346.969919] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 346.975371] ? addrconf_rs_timer+0x690/0x690 [ 346.979791] ndisc_alloc_skb+0x144/0x340 [ 346.983875] ndisc_send_rs+0x331/0x6e0 [ 346.987769] addrconf_rs_timer+0x314/0x690 [ 346.992046] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 346.996312] call_timer_fn+0x272/0x920 [ 347.000203] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 347.004438] ? process_timeout+0x40/0x40 [ 347.008511] ? mark_held_locks+0xc7/0x130 [ 347.012662] ? _raw_spin_unlock_irq+0x27/0x80 [ 347.017153] ? _raw_spin_unlock_irq+0x27/0x80 [ 347.021647] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 347.025881] ? lockdep_hardirqs_on+0x296/0x5b0 [ 347.030464] ? trace_hardirqs_on+0xbd/0x310 [ 347.034789] ? kasan_check_read+0x11/0x20 [ 347.038956] ? __run_timers+0x7da/0xc70 [ 347.042950] ? trace_hardirqs_off_caller+0x310/0x310 [ 347.048081] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 347.052322] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 347.056584] __run_timers+0x7e5/0xc70 [ 347.060411] ? timer_fixup_init+0x70/0x70 [ 347.064560] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 347.069603] ? zap_class+0x640/0x640 [ 347.073321] ? print_usage_bug+0xc0/0xc0 [ 347.077385] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 347.082583] ? find_held_lock+0x36/0x1c0 [ 347.086650] ? zap_class+0x640/0x640 [ 347.090372] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.095910] ? check_preemption_disabled+0x48/0x280 [ 347.100933] ? __lock_is_held+0xb5/0x140 [ 347.105007] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.110552] ? check_preemption_disabled+0x48/0x280 [ 347.115571] run_timer_softirq+0x52/0xb0 [ 347.119631] ? rcu_read_lock_sched_held+0x14f/0x180 [ 347.124650] __do_softirq+0x308/0xb7e [ 347.128449] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 347.132938] ? lock_downgrade+0x900/0x900 [ 347.137090] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 347.144217] ? pvclock_read_flags+0x160/0x160 [ 347.148720] ? lapic_next_event+0x5a/0x90 [ 347.152868] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.158409] ? kvm_clock_read+0x18/0x30 [ 347.162384] ? kvm_sched_clock_read+0x9/0x20 [ 347.166796] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.172332] ? check_preemption_disabled+0x48/0x280 [ 347.177373] irq_exit+0x17f/0x1c0 [ 347.180843] smp_apic_timer_interrupt+0x1cb/0x760 [ 347.185683] ? smp_reschedule_interrupt+0x109/0x650 [ 347.190703] ? smp_call_function_single_interrupt+0x650/0x650 [ 347.196599] ? interrupt_entry+0xb5/0xc0 [ 347.200694] ? trace_hardirqs_off_caller+0xbb/0x310 [ 347.205713] ? trace_hardirqs_off_caller+0xbb/0x310 [ 347.210734] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 347.215577] ? trace_hardirqs_on_caller+0x310/0x310 [ 347.220595] ? trace_hardirqs_on_caller+0x310/0x310 [ 347.225613] ? task_prio+0x50/0x50 [ 347.229151] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.234687] ? check_preemption_disabled+0x48/0x280 [ 347.239722] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 347.244591] apic_timer_interrupt+0xf/0x20 [ 347.248835] [ 347.251077] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 347.256269] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 347.275164] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 347.282871] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e [ 347.290147] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc [ 347.297415] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 347.304680] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000 [ 347.311948] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 347.319248] retint_kernel+0x1b/0x2d [ 347.322965] RIP: 0010:dump_stack+0x358/0x39d [ 347.327369] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 347.346263] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 347.353967] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e [ 347.361232] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 347.368514] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 347.375779] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45 [ 347.383055] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 347.390339] ? dump_stack+0x34f/0x39d [ 347.394157] ? dump_stack_print_info.cold.1+0x20/0x20 [ 347.399351] ? mark_held_locks+0x130/0x130 [ 347.403583] ? mark_held_locks+0x130/0x130 [ 347.407825] dump_header+0x27b/0xf72 [ 347.411583] ? pagefault_out_of_memory+0x197/0x197 [ 347.416525] ? __lock_acquire+0x62f/0x4c20 [ 347.420766] ? percpu_ref_get_many+0x240/0x240 [ 347.425383] ? print_usage_bug+0xc0/0xc0 [ 347.429455] ? zap_class+0x640/0x640 [ 347.433183] ? print_usage_bug+0xc0/0xc0 [ 347.437243] ? print_usage_bug+0xc0/0xc0 [ 347.441318] ? zap_class+0x640/0x640 [ 347.445066] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.450607] ? find_held_lock+0x36/0x1c0 [ 347.454675] ? mark_held_locks+0xc7/0x130 [ 347.458823] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 347.463929] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 347.469048] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 347.473631] ? trace_hardirqs_on+0xbd/0x310 [ 347.477955] ? kasan_check_read+0x11/0x20 [ 347.482103] ? ___ratelimit+0x3b4/0x672 [ 347.486078] ? trace_hardirqs_off_caller+0x310/0x310 [ 347.491189] ? trace_hardirqs_on+0x310/0x310 [ 347.495604] ? lock_downgrade+0x900/0x900 [ 347.499756] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 347.504875] ? ___ratelimit+0x3b9/0x672 [ 347.508853] ? idr_get_free+0xf70/0xf70 [ 347.512838] ? find_held_lock+0x36/0x1c0 [ 347.516911] oom_kill_process.cold.27+0x10/0x903 [ 347.521672] ? zap_class+0x640/0x640 [ 347.525390] ? check_preemption_disabled+0x48/0x280 [ 347.530408] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 347.535340] ? kasan_check_read+0x11/0x20 [ 347.539488] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 347.544766] ? oom_evaluate_task+0x540/0x540 [ 347.549181] ? find_held_lock+0x36/0x1c0 [ 347.553248] ? out_of_memory+0x974/0x1430 [ 347.557416] ? lock_downgrade+0x900/0x900 [ 347.561567] ? check_preemption_disabled+0x48/0x280 [ 347.566585] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 347.571509] ? kasan_check_read+0x11/0x20 [ 347.575683] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 347.580973] ? rcu_softirq_qs+0x20/0x20 [ 347.584953] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 347.590487] ? oom_evaluate_task+0x302/0x540 [ 347.594902] out_of_memory+0xa84/0x1430 [ 347.598884] ? oom_killer_disable+0x3a0/0x3a0 [ 347.603380] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 347.608330] ? __ww_mutex_check_waiters+0x160/0x160 [ 347.613376] __alloc_pages_slowpath+0x2354/0x2e10 [ 347.618250] ? warn_alloc+0x120/0x120 [ 347.622075] ? mark_held_locks+0x130/0x130 [ 347.626320] ? find_get_entry+0xaae/0x1120 [ 347.630564] ? filemap_map_pages+0x1a20/0x1a20 [ 347.635154] ? zap_class+0x640/0x640 [ 347.638875] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.644412] ? check_preemption_disabled+0x48/0x280 [ 347.649432] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 347.654969] ? should_fail+0x22d/0xd01 [ 347.658858] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 347.663960] ? zap_class+0x640/0x640 [ 347.667701] ? __lock_is_held+0xb5/0x140 [ 347.671772] ? mark_held_locks+0x130/0x130 [ 347.676014] ? lock_release+0xa00/0xa00 [ 347.680000] ? perf_trace_sched_process_exec+0x860/0x860 [ 347.685456] ? xa_load+0x2ba/0x460 [ 347.689000] ? lock_downgrade+0x900/0x900 [ 347.693166] ? __might_sleep+0x95/0x190 [ 347.697143] __alloc_pages_nodemask+0xa80/0xde0 [ 347.701818] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 347.706834] ? __page_cache_alloc+0x191/0x5c0 [ 347.711330] ? xa_load+0x2e1/0x460 [ 347.714890] ? xa_clear_mark+0x40/0x40 [ 347.718779] ? zap_class+0x640/0x640 [ 347.722520] ? zap_class+0x640/0x640 [ 347.726233] ? zap_class+0x640/0x640 [ 347.729952] ? __do_page_cache_readahead+0x663/0x810 [ 347.735079] ? find_held_lock+0x36/0x1c0 [ 347.739147] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 347.744696] alloc_pages_current+0x173/0x350 [ 347.749128] __page_cache_alloc+0x38c/0x5c0 [ 347.753472] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 347.758398] ? kasan_check_read+0x11/0x20 [ 347.762544] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 347.767866] ? generic_perform_write+0x6a0/0x6a0 [ 347.772625] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 347.778164] ? check_preemption_disabled+0x48/0x280 [ 347.783186] filemap_fault+0x1595/0x25f0 [ 347.787257] ? __lock_page_or_retry+0xa00/0xa00 [ 347.791936] ? mark_held_locks+0x130/0x130 [ 347.796180] ? filemap_map_pages+0xd6b/0x1a20 [ 347.800674] ? lock_downgrade+0x900/0x900 [ 347.804824] ? check_preemption_disabled+0x48/0x280 [ 347.809843] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 347.814770] ? kasan_check_read+0x11/0x20 [ 347.818921] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 347.824197] ? rcu_softirq_qs+0x20/0x20 [ 347.828187] ? filemap_map_pages+0xd92/0x1a20 [ 347.832700] ? find_get_entries_tag+0x1400/0x1400 [ 347.837549] ? ep_scan_ready_list+0xbc7/0x1050 [ 347.842151] ? trace_hardirqs_off_caller+0x310/0x310 [ 347.847285] ? lock_acquire+0x1ed/0x520 [ 347.851265] ? ext4_filemap_fault+0x7a/0xad [ 347.855592] ? lock_release+0xa00/0xa00 [ 347.859564] ? perf_trace_sched_process_exec+0x860/0x860 [ 347.865025] ? print_usage_bug+0xc0/0xc0 [ 347.869114] ? print_usage_bug+0xc0/0xc0 [ 347.873185] ? down_read+0x8d/0x120 [ 347.876808] ? ext4_filemap_fault+0x7a/0xad [ 347.881144] ? __down_interruptible+0x700/0x700 [ 347.885821] ext4_filemap_fault+0x82/0xad [ 347.889971] __do_fault+0x100/0x6b0 [ 347.893603] ? pmd_devmap_trans_unstable+0x220/0x220 [ 347.898729] ? mark_held_locks+0x130/0x130 [ 347.902995] ? mark_held_locks+0x130/0x130 [ 347.907237] ? kasan_check_read+0x11/0x20 [ 347.911385] ? ep_poll+0xffa/0x13d0 [ 347.915024] ? trace_hardirqs_off_caller+0x310/0x310 [ 347.920140] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 347.925681] __handle_mm_fault+0x3ea0/0x5be0 [ 347.930091] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.935636] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 347.940525] ? do_epoll_create+0x590/0x590 [ 347.944771] ? kasan_check_read+0x11/0x20 [ 347.948915] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 347.954233] ? rcu_softirq_qs+0x20/0x20 [ 347.958220] ? zap_class+0x640/0x640 [ 347.961930] ? zap_class+0x640/0x640 [ 347.965651] ? find_held_lock+0x36/0x1c0 [ 347.969721] ? handle_mm_fault+0x42a/0xc70 [ 347.973955] ? lock_downgrade+0x900/0x900 [ 347.978118] ? check_preemption_disabled+0x48/0x280 [ 347.983139] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 347.988076] ? kasan_check_read+0x11/0x20 [ 347.992224] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 347.997498] ? rcu_softirq_qs+0x20/0x20 [ 348.001475] ? trace_hardirqs_off_caller+0x310/0x310 [ 348.006581] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 348.012137] ? check_preemption_disabled+0x48/0x280 [ 348.017160] handle_mm_fault+0x54f/0xc70 [ 348.021224] ? __handle_mm_fault+0x5be0/0x5be0 [ 348.025815] ? find_vma+0x34/0x190 [ 348.029363] __do_page_fault+0x5e8/0xe60 [ 348.033422] ? trace_hardirqs_off+0xb8/0x310 [ 348.037828] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 348.043375] do_page_fault+0xf2/0x7e0 [ 348.047191] ? vmalloc_sync_all+0x30/0x30 [ 348.051356] ? error_entry+0x70/0xd0 [ 348.055075] ? trace_hardirqs_off_caller+0xbb/0x310 [ 348.060089] ? trace_hardirqs_on_caller+0xc0/0x310 [ 348.065047] ? syscall_return_slowpath+0x5e0/0x5e0 [ 348.069994] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 348.074867] ? trace_hardirqs_on_caller+0x310/0x310 [ 348.079882] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 348.085337] ? prepare_exit_to_usermode+0x291/0x3b0 [ 348.090355] ? page_fault+0x8/0x30 [ 348.093900] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 348.098743] ? page_fault+0x8/0x30 [ 348.102315] page_fault+0x1e/0x30 [ 348.105764] RIP: 0033:0x45df89 [ 348.108986] Code: Bad RIP value. [ 348.112355] RSP: 002b:000000c42017b850 EFLAGS: 00010246 [ 348.117716] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89 [ 348.124986] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004 [ 348.132259] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500 [ 348.139526] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8 [ 348.146805] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff [ 348.154101] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145 [ 348.154185] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 348.161465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 348.161474] Call Trace: [ 348.168156] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 348.177306] dump_stack+0x244/0x39d [ 348.179868] syz-fuzzer cpuset=/ mems_allowed=0 [ 348.190087] ? dump_stack_print_info.cold.1+0x20/0x20 [ 348.203465] warn_alloc.cold.116+0xb7/0x1bd [ 348.207820] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 348.212669] ? lock_downgrade+0x900/0x900 [ 348.216827] ? trace_hardirqs_off+0xb8/0x310 [ 348.221250] ? trace_hardirqs_off+0xb8/0x310 [ 348.225687] __alloc_pages_slowpath+0x26e8/0x2e10 [ 348.230570] ? warn_alloc+0x120/0x120 [ 348.234381] ? warn_alloc+0x120/0x120 [ 348.238199] ? dev_hard_start_xmit+0x42c/0xc80 [ 348.242783] ? warn_alloc+0x120/0x120 [ 348.246586] ? print_usage_bug+0xc0/0xc0 [ 348.250646] ? find_held_lock+0x36/0x1c0 [ 348.254709] ? print_usage_bug+0xc0/0xc0 [ 348.258779] ? cpuacct_charge+0x265/0x440 [ 348.262931] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 348.268497] ? should_fail+0x22d/0xd01 [ 348.272386] ? find_held_lock+0x36/0x1c0 [ 348.276457] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 348.281570] ? __lock_acquire+0x62f/0x4c20 [ 348.285810] ? should_fail+0x22d/0xd01 [ 348.289717] ? mark_held_locks+0x130/0x130 [ 348.293957] ? mark_held_locks+0x130/0x130 [ 348.298196] ? __lock_acquire+0x62f/0x4c20 [ 348.302438] ? zap_class+0x640/0x640 [ 348.306157] ? __lock_is_held+0xb5/0x140 [ 348.310229] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.315786] ? check_preemption_disabled+0x48/0x280 [ 348.320816] ? __lock_is_held+0xb5/0x140 [ 348.324890] __alloc_pages_nodemask+0xa80/0xde0 [ 348.329565] ? zap_class+0x640/0x640 [ 348.333286] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 348.338316] ? find_held_lock+0x36/0x1c0 [ 348.342389] ? ____cache_alloc_node+0x1c7/0x1e0 [ 348.347060] ? lock_downgrade+0x900/0x900 [ 348.351217] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 348.356761] cache_grow_begin+0xa5/0x8c0 [ 348.360823] ? do_raw_spin_unlock+0xa7/0x330 [ 348.365241] fallback_alloc+0x204/0x2e0 [ 348.369227] ____cache_alloc_node+0x1c7/0x1e0 [ 348.373730] kmem_cache_alloc+0x1f8/0x730 [ 348.377923] skb_clone+0x1bb/0x500 [ 348.381469] ? finish_task_switch+0x2f4/0x910 [ 348.385968] ? skb_split+0x11e0/0x11e0 [ 348.389860] ? preempt_notifier_register+0x200/0x200 [ 348.394978] ? __switch_to_asm+0x34/0x70 [ 348.399043] ? __switch_to_asm+0x34/0x70 [ 348.403106] ? __switch_to_asm+0x40/0x70 [ 348.407169] ? __switch_to_asm+0x34/0x70 [ 348.411280] ? __switch_to_asm+0x40/0x70 [ 348.415343] ? __switch_to_asm+0x34/0x70 [ 348.419403] ? __switch_to_asm+0x40/0x70 [ 348.423467] ? __switch_to_asm+0x34/0x70 [ 348.427536] ? __switch_to_asm+0x34/0x70 [ 348.431602] ? __switch_to_asm+0x40/0x70 [ 348.435665] ? __switch_to_asm+0x34/0x70 [ 348.439746] bpf_clone_redirect+0xb9/0x490 [ 348.444000] ? __schedule+0x8d7/0x21d0 [ 348.447903] bpf_prog_bebbfe2050753572+0x1d8/0x1000 [ 348.452920] ? __sched_text_start+0x8/0x8 [ 348.457090] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 348.461704] ? retint_kernel+0x2d/0x2d [ 348.465592] ? trace_hardirqs_on_caller+0xc0/0x310 [ 348.470529] ? find_held_lock+0x36/0x1c0 [ 348.474607] ? lock_acquire+0x1ed/0x520 [ 348.478586] ? bpf_test_run+0x3cb/0x780 [ 348.482566] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.488109] ? check_preemption_disabled+0x48/0x280 [ 348.493147] ? kasan_check_read+0x11/0x20 [ 348.497302] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 348.502578] ? rcu_softirq_qs+0x20/0x20 [ 348.506564] ? preempt_schedule+0x4d/0x60 [ 348.510716] ? ___preempt_schedule+0x16/0x18 [ 348.515140] ? bpf_test_run+0x25d/0x780 [ 348.519131] ? netlink_diag_dump+0x2a0/0x2a0 [ 348.523568] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 348.529112] ? bpf_test_init.isra.10+0x70/0x100 [ 348.533790] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 348.538564] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 348.543409] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 348.548952] ? fput+0x130/0x1a0 [ 348.552238] ? __bpf_prog_get+0x9b/0x290 [ 348.556306] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 348.561150] ? bpf_prog_test_run+0x130/0x1a0 [ 348.565571] ? __x64_sys_bpf+0x3d8/0x520 [ 348.569637] ? bpf_prog_get+0x20/0x20 [ 348.573464] ? do_syscall_64+0x1b9/0x820 [ 348.577527] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 348.582901] ? syscall_return_slowpath+0x5e0/0x5e0 [ 348.587832] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 348.592678] ? trace_hardirqs_on_caller+0x310/0x310 [ 348.597713] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 348.602737] ? prepare_exit_to_usermode+0x291/0x3b0 [ 348.607762] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 348.612767] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 348.618172] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145 [ 348.618178] warn_alloc_show_mem: 1 callbacks suppressed [ 348.618187] Mem-Info: [ 348.625199] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 348.630575] active_anon:51179 inactive_anon:236 isolated_anon:0 [ 348.630575] active_file:17 inactive_file:9 isolated_file:0 [ 348.630575] unevictable:0 dirty:0 writeback:0 unstable:0 [ 348.630575] slab_reclaimable:9362 slab_unreclaimable:1467319 [ 348.630575] mapped:16386 shmem:283 pagetables:457 bounce:0 [ 348.630575] free:13694 free_pcp:258 free_cma:0 [ 348.632941] Call Trace: [ 348.642330] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 348.675080] [ 348.677651] 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 [ 348.705149] dump_stack+0x244/0x39d [ 348.707279] lowmem_reserve[]: 0 2818 6321 6321 [ 348.733410] ? dump_stack_print_info.cold.1+0x20/0x20 [ 348.737011] Node 0 DMA32 free:24972kB 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:0kB local_pcp:0kB free_cma:0kB [ 348.741603] warn_alloc.cold.116+0xb7/0x1bd [ 348.747265] lowmem_reserve[]: 0 0 3503 3503 [ 348.774427] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 348.778725] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB [ 348.783056] ? lock_downgrade+0x900/0x900 [ 348.787867] lowmem_reserve[]: 0 0 0 0 [ 348.816839] ? trace_hardirqs_off+0xb8/0x310 [ 348.820961] 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 [ 348.824760] ? trace_hardirqs_off+0xb8/0x310 [ 348.829142] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB [ 348.842666] __alloc_pages_slowpath+0x26e8/0x2e10 [ 348.847044] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB [ 348.862259] ? warn_alloc+0x120/0x120 [ 348.867102] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 348.881302] ? print_usage_bug+0xc0/0xc0 [ 348.885083] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 348.893900] ? warn_alloc+0x120/0x120 [ 348.897935] 309 total pagecache pages [ 348.906519] ? warn_alloc+0x120/0x120 [ 348.910299] 0 pages in swap cache [ 348.914088] ? print_usage_bug+0xc0/0xc0 [ 348.917866] Swap cache stats: add 0, delete 0, find 0/0 [ 348.921305] ? kvm_clock_read+0x18/0x30 [ 348.925337] Free swap = 0kB [ 348.930691] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 348.934635] Total swap = 0kB [ 348.937658] ? print_usage_bug+0xc0/0xc0 [ 348.942653] 1965979 pages RAM [ 348.945710] ? __lock_acquire+0x62f/0x4c20 [ 348.949749] 0 pages HighMem/MovableOnly [ 348.952853] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 348.957066] 342853 pages reserved [ 348.961046] ? should_fail+0x22d/0xd01 [ 348.966556] 0 pages cma reserved [ 348.970027] ? __lock_acquire+0x62f/0x4c20 [ 348.974229] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 348.977269] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 348.981477] syz-executor2 cpuset=syz2 mems_allowed=0 [ 348.991954] ? __lock_acquire+0x62f/0x4c20 [ 349.006355] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 349.011460] ? __lock_acquire+0x62f/0x4c20 [ 349.015713] ? should_fail+0x22d/0xd01 [ 349.019644] ? mark_held_locks+0x130/0x130 [ 349.023902] ? mark_held_locks+0x130/0x130 [ 349.028141] ? zap_class+0x640/0x640 [ 349.031856] ? print_usage_bug+0xc0/0xc0 [ 349.035925] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.041467] ? check_preemption_disabled+0x48/0x280 [ 349.046491] ? __lock_is_held+0xb5/0x140 [ 349.050558] __alloc_pages_nodemask+0xa80/0xde0 [ 349.055226] ? zap_class+0x640/0x640 [ 349.058945] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 349.063974] ? find_held_lock+0x36/0x1c0 [ 349.068057] ? ____cache_alloc_node+0x1c7/0x1e0 [ 349.072731] ? lock_downgrade+0x900/0x900 [ 349.076884] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.082442] cache_grow_begin+0xa5/0x8c0 [ 349.086503] ? do_raw_spin_unlock+0xa7/0x330 [ 349.090914] fallback_alloc+0x204/0x2e0 [ 349.094895] ____cache_alloc_node+0x1c7/0x1e0 [ 349.099393] kmem_cache_alloc_node+0xe3/0x730 [ 349.103888] ? ipv6_get_ifaddr+0x42e/0x620 [ 349.108150] __alloc_skb+0x119/0x770 [ 349.111861] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 349.117144] ? netdev_alloc_frag+0x1f0/0x1f0 [ 349.121557] ? lock_downgrade+0x900/0x900 [ 349.125711] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.131266] ? refcount_sub_and_test_checked+0x203/0x310 [ 349.136746] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 349.142200] ? addrconf_rs_timer+0x690/0x690 [ 349.146628] ndisc_alloc_skb+0x144/0x340 [ 349.150716] ndisc_send_rs+0x331/0x6e0 [ 349.154618] addrconf_rs_timer+0x314/0x690 [ 349.158861] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 349.163124] call_timer_fn+0x272/0x920 [ 349.167010] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 349.171273] ? process_timeout+0x40/0x40 [ 349.175344] ? mark_held_locks+0xc7/0x130 [ 349.179507] ? _raw_spin_unlock_irq+0x27/0x80 [ 349.184012] ? _raw_spin_unlock_irq+0x27/0x80 [ 349.188535] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 349.192769] ? lockdep_hardirqs_on+0x296/0x5b0 [ 349.197350] ? trace_hardirqs_on+0xbd/0x310 [ 349.201670] ? kasan_check_read+0x11/0x20 [ 349.205809] ? __run_timers+0x7da/0xc70 [ 349.209795] ? trace_hardirqs_off_caller+0x310/0x310 [ 349.214911] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 349.219145] __run_timers+0x7e5/0xc70 [ 349.222974] ? timer_fixup_init+0x70/0x70 [ 349.227125] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 349.232156] ? zap_class+0x640/0x640 [ 349.235873] ? print_usage_bug+0xc0/0xc0 [ 349.239935] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 349.245135] ? find_held_lock+0x36/0x1c0 [ 349.249218] ? zap_class+0x640/0x640 [ 349.252940] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.258475] ? check_preemption_disabled+0x48/0x280 [ 349.263502] ? __lock_is_held+0xb5/0x140 [ 349.267562] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.273099] ? check_preemption_disabled+0x48/0x280 [ 349.278118] run_timer_softirq+0x52/0xb0 [ 349.282179] ? rcu_read_lock_sched_held+0x14f/0x180 [ 349.287198] __do_softirq+0x308/0xb7e [ 349.291006] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 349.295539] ? lock_downgrade+0x900/0x900 [ 349.299691] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 349.304817] ? pvclock_read_flags+0x160/0x160 [ 349.309321] ? lapic_next_event+0x5a/0x90 [ 349.313470] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.319012] ? kvm_clock_read+0x18/0x30 [ 349.322995] ? kvm_sched_clock_read+0x9/0x20 [ 349.327413] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.332954] ? check_preemption_disabled+0x48/0x280 [ 349.337981] irq_exit+0x17f/0x1c0 [ 349.341468] smp_apic_timer_interrupt+0x1cb/0x760 [ 349.346326] ? smp_reschedule_interrupt+0x109/0x650 [ 349.351344] ? smp_call_function_single_interrupt+0x650/0x650 [ 349.357222] ? interrupt_entry+0xb5/0xc0 [ 349.361283] ? trace_hardirqs_off_caller+0xbb/0x310 [ 349.366300] ? trace_hardirqs_off_caller+0xbb/0x310 [ 349.371318] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 349.376181] ? trace_hardirqs_on_caller+0x310/0x310 [ 349.381198] ? trace_hardirqs_on_caller+0x310/0x310 [ 349.386212] ? task_prio+0x50/0x50 [ 349.389757] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.395298] ? check_preemption_disabled+0x48/0x280 [ 349.400322] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 349.405176] apic_timer_interrupt+0xf/0x20 [ 349.409420] [ 349.411678] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 349.416905] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 349.435819] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 349.443526] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e [ 349.450795] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc [ 349.458065] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 349.465344] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000 [ 349.472608] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 349.479901] retint_kernel+0x1b/0x2d [ 349.483643] RIP: 0010:dump_stack+0x358/0x39d [ 349.488060] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 349.506957] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 349.514660] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e [ 349.521926] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 349.529206] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 349.536472] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45 [ 349.543736] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 349.551029] ? dump_stack+0x34f/0x39d [ 349.554850] ? dump_stack_print_info.cold.1+0x20/0x20 [ 349.560054] ? mark_held_locks+0x130/0x130 [ 349.564292] ? mark_held_locks+0x130/0x130 [ 349.568531] dump_header+0x27b/0xf72 [ 349.572259] ? pagefault_out_of_memory+0x197/0x197 [ 349.577223] ? __lock_acquire+0x62f/0x4c20 [ 349.581458] ? percpu_ref_get_many+0x240/0x240 [ 349.586058] ? print_usage_bug+0xc0/0xc0 [ 349.590131] ? zap_class+0x640/0x640 [ 349.593847] ? print_usage_bug+0xc0/0xc0 [ 349.597905] ? print_usage_bug+0xc0/0xc0 [ 349.601968] ? zap_class+0x640/0x640 [ 349.605685] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.611225] ? find_held_lock+0x36/0x1c0 [ 349.615297] ? mark_held_locks+0xc7/0x130 [ 349.619457] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 349.624602] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 349.629726] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 349.634328] ? trace_hardirqs_on+0xbd/0x310 [ 349.638650] ? kasan_check_read+0x11/0x20 [ 349.642798] ? ___ratelimit+0x3b4/0x672 [ 349.646770] ? trace_hardirqs_off_caller+0x310/0x310 [ 349.651872] ? trace_hardirqs_on+0x310/0x310 [ 349.656286] ? lock_downgrade+0x900/0x900 [ 349.660437] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 349.665542] ? ___ratelimit+0x3b9/0x672 [ 349.669529] ? idr_get_free+0xf70/0xf70 [ 349.673503] ? find_held_lock+0x36/0x1c0 [ 349.677575] oom_kill_process.cold.27+0x10/0x903 [ 349.682386] ? zap_class+0x640/0x640 [ 349.686106] ? check_preemption_disabled+0x48/0x280 [ 349.691130] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 349.696067] ? kasan_check_read+0x11/0x20 [ 349.700215] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 349.705522] ? oom_evaluate_task+0x540/0x540 [ 349.709948] ? find_held_lock+0x36/0x1c0 [ 349.714025] ? out_of_memory+0x974/0x1430 [ 349.718181] ? lock_downgrade+0x900/0x900 [ 349.722329] ? check_preemption_disabled+0x48/0x280 [ 349.727347] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 349.732289] ? kasan_check_read+0x11/0x20 [ 349.736440] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 349.741725] ? rcu_softirq_qs+0x20/0x20 [ 349.745705] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 349.751240] ? oom_evaluate_task+0x302/0x540 [ 349.755651] out_of_memory+0xa84/0x1430 [ 349.759630] ? oom_killer_disable+0x3a0/0x3a0 [ 349.764122] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 349.769074] ? __ww_mutex_check_waiters+0x160/0x160 [ 349.774101] __alloc_pages_slowpath+0x2354/0x2e10 [ 349.778991] ? warn_alloc+0x120/0x120 [ 349.782800] ? mark_held_locks+0x130/0x130 [ 349.787050] ? find_get_entry+0xaae/0x1120 [ 349.791295] ? filemap_map_pages+0x1a20/0x1a20 [ 349.795884] ? zap_class+0x640/0x640 [ 349.799616] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.805163] ? check_preemption_disabled+0x48/0x280 [ 349.810184] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 349.815737] ? should_fail+0x22d/0xd01 [ 349.819632] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 349.824739] ? zap_class+0x640/0x640 [ 349.828506] ? __lock_is_held+0xb5/0x140 [ 349.832576] ? mark_held_locks+0x130/0x130 [ 349.836815] ? lock_release+0xa00/0xa00 [ 349.840789] ? perf_trace_sched_process_exec+0x860/0x860 [ 349.846241] ? xa_load+0x2ba/0x460 [ 349.849782] ? lock_downgrade+0x900/0x900 [ 349.853966] ? __might_sleep+0x95/0x190 [ 349.857945] __alloc_pages_nodemask+0xa80/0xde0 [ 349.862624] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 349.867641] ? __page_cache_alloc+0x191/0x5c0 [ 349.872138] ? xa_load+0x2e1/0x460 [ 349.875685] ? xa_clear_mark+0x40/0x40 [ 349.879573] ? zap_class+0x640/0x640 [ 349.883293] ? zap_class+0x640/0x640 [ 349.887005] ? zap_class+0x640/0x640 [ 349.890731] ? __do_page_cache_readahead+0x663/0x810 [ 349.895839] ? find_held_lock+0x36/0x1c0 [ 349.899908] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 349.905450] alloc_pages_current+0x173/0x350 [ 349.909864] __page_cache_alloc+0x38c/0x5c0 [ 349.914187] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 349.919115] ? kasan_check_read+0x11/0x20 [ 349.923260] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 349.928538] ? generic_perform_write+0x6a0/0x6a0 [ 349.933295] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 349.938837] ? check_preemption_disabled+0x48/0x280 [ 349.943863] filemap_fault+0x1595/0x25f0 [ 349.947936] ? __lock_page_or_retry+0xa00/0xa00 [ 349.952610] ? mark_held_locks+0x130/0x130 [ 349.956859] ? filemap_map_pages+0xd6b/0x1a20 [ 349.961358] ? lock_downgrade+0x900/0x900 [ 349.965506] ? check_preemption_disabled+0x48/0x280 [ 349.970528] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 349.975476] ? kasan_check_read+0x11/0x20 [ 349.979639] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 349.984922] ? rcu_softirq_qs+0x20/0x20 [ 349.988910] ? filemap_map_pages+0xd92/0x1a20 [ 349.993429] ? find_get_entries_tag+0x1400/0x1400 [ 349.998275] ? ep_scan_ready_list+0xbc7/0x1050 [ 350.002858] ? trace_hardirqs_off_caller+0x310/0x310 [ 350.007994] ? lock_acquire+0x1ed/0x520 [ 350.011997] ? ext4_filemap_fault+0x7a/0xad [ 350.016337] ? lock_release+0xa00/0xa00 [ 350.020311] ? perf_trace_sched_process_exec+0x860/0x860 [ 350.025765] ? print_usage_bug+0xc0/0xc0 [ 350.029829] ? print_usage_bug+0xc0/0xc0 [ 350.033945] ? down_read+0x8d/0x120 [ 350.037604] ? ext4_filemap_fault+0x7a/0xad [ 350.041926] ? __down_interruptible+0x700/0x700 [ 350.046603] ext4_filemap_fault+0x82/0xad [ 350.050759] __do_fault+0x100/0x6b0 [ 350.054395] ? pmd_devmap_trans_unstable+0x220/0x220 [ 350.059501] ? mark_held_locks+0x130/0x130 [ 350.063741] ? mark_held_locks+0x130/0x130 [ 350.067983] ? kasan_check_read+0x11/0x20 [ 350.072146] ? ep_poll+0xffa/0x13d0 [ 350.075780] ? trace_hardirqs_off_caller+0x310/0x310 [ 350.080918] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 350.086474] __handle_mm_fault+0x3ea0/0x5be0 [ 350.090881] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.096429] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 350.101280] ? do_epoll_create+0x590/0x590 [ 350.105531] ? kasan_check_read+0x11/0x20 [ 350.109680] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 350.114961] ? rcu_softirq_qs+0x20/0x20 [ 350.118949] ? zap_class+0x640/0x640 [ 350.122666] ? zap_class+0x640/0x640 [ 350.126400] ? find_held_lock+0x36/0x1c0 [ 350.130500] ? handle_mm_fault+0x42a/0xc70 [ 350.134735] ? lock_downgrade+0x900/0x900 [ 350.138898] ? check_preemption_disabled+0x48/0x280 [ 350.143916] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 350.148846] ? kasan_check_read+0x11/0x20 [ 350.152994] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 350.158281] ? rcu_softirq_qs+0x20/0x20 [ 350.162268] ? trace_hardirqs_off_caller+0x310/0x310 [ 350.167371] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 350.172924] ? check_preemption_disabled+0x48/0x280 [ 350.177963] handle_mm_fault+0x54f/0xc70 [ 350.182034] ? __handle_mm_fault+0x5be0/0x5be0 [ 350.186629] ? find_vma+0x34/0x190 [ 350.190192] __do_page_fault+0x5e8/0xe60 [ 350.194252] ? trace_hardirqs_off+0xb8/0x310 [ 350.198659] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 350.204204] do_page_fault+0xf2/0x7e0 [ 350.208005] ? vmalloc_sync_all+0x30/0x30 [ 350.212164] ? error_entry+0x70/0xd0 [ 350.215910] ? trace_hardirqs_off_caller+0xbb/0x310 [ 350.220927] ? trace_hardirqs_on_caller+0xc0/0x310 [ 350.225873] ? syscall_return_slowpath+0x5e0/0x5e0 [ 350.230800] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 350.235670] ? trace_hardirqs_on_caller+0x310/0x310 [ 350.240699] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 350.246242] ? prepare_exit_to_usermode+0x291/0x3b0 [ 350.251269] ? page_fault+0x8/0x30 [ 350.254811] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 350.259652] ? page_fault+0x8/0x30 [ 350.263191] page_fault+0x1e/0x30 [ 350.266645] RIP: 0033:0x45df89 [ 350.269847] Code: Bad RIP value. [ 350.273205] RSP: 002b:000000c42017b850 EFLAGS: 00010246 [ 350.278561] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89 [ 350.285826] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004 [ 350.293091] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500 [ 350.300358] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8 [ 350.307637] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff [ 350.314933] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145 [ 350.314997] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 350.322290] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 350.322295] Call Trace: [ 350.322302] [ 350.322320] dump_stack+0x244/0x39d [ 350.322339] ? dump_stack_print_info.cold.1+0x20/0x20 [ 350.328873] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 350.338176] warn_alloc.cold.116+0xb7/0x1bd [ 350.340730] syz-fuzzer cpuset=/ mems_allowed=0 [ 350.342880] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 350.375641] ? lock_downgrade+0x900/0x900 [ 350.379807] ? trace_hardirqs_off+0xb8/0x310 [ 350.384241] ? trace_hardirqs_off+0xb8/0x310 [ 350.388664] __alloc_pages_slowpath+0x26e8/0x2e10 [ 350.393544] ? warn_alloc+0x120/0x120 [ 350.397350] ? warn_alloc+0x120/0x120 [ 350.401158] ? warn_alloc+0x120/0x120 [ 350.404960] ? print_usage_bug+0xc0/0xc0 [ 350.409038] ? print_usage_bug+0xc0/0xc0 [ 350.413104] ? find_held_lock+0x36/0x1c0 [ 350.417175] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 350.422711] ? should_fail+0x22d/0xd01 [ 350.426635] ? try_to_wake_up+0x11c/0x1490 [ 350.430886] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 350.435985] ? __lock_acquire+0x62f/0x4c20 [ 350.440224] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 350.445325] ? __lock_acquire+0x62f/0x4c20 [ 350.449562] ? should_fail+0x22d/0xd01 [ 350.453448] ? trace_hardirqs_on+0x310/0x310 [ 350.457866] ? mark_held_locks+0x130/0x130 [ 350.462103] ? mark_held_locks+0x130/0x130 [ 350.466334] ? try_to_wake_up+0x11c/0x1490 [ 350.470575] ? lock_downgrade+0x900/0x900 [ 350.474726] ? zap_class+0x640/0x640 [ 350.478438] ? print_usage_bug+0xc0/0xc0 [ 350.482497] ? trace_hardirqs_off+0xb8/0x310 [ 350.486902] ? kasan_check_read+0x11/0x20 [ 350.491058] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.496612] ? check_preemption_disabled+0x48/0x280 [ 350.501639] ? __lock_is_held+0xb5/0x140 [ 350.505704] __alloc_pages_nodemask+0xa80/0xde0 [ 350.510374] ? zap_class+0x640/0x640 [ 350.514092] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 350.519138] ? find_held_lock+0x36/0x1c0 [ 350.523211] ? ____cache_alloc_node+0x1c7/0x1e0 [ 350.527895] ? lock_downgrade+0x900/0x900 [ 350.532055] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.537601] cache_grow_begin+0xa5/0x8c0 [ 350.541696] ? do_raw_spin_unlock+0xa7/0x330 [ 350.546129] fallback_alloc+0x204/0x2e0 [ 350.550126] ____cache_alloc_node+0x1c7/0x1e0 [ 350.554632] kmem_cache_alloc_node+0xe3/0x730 [ 350.559134] ? ipv6_get_ifaddr+0x42e/0x620 [ 350.563378] __alloc_skb+0x119/0x770 [ 350.567089] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 350.572370] ? netdev_alloc_frag+0x1f0/0x1f0 [ 350.576786] ? lock_downgrade+0x900/0x900 [ 350.580945] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.586510] ? refcount_sub_and_test_checked+0x203/0x310 [ 350.591965] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 350.597417] ? addrconf_rs_timer+0x690/0x690 [ 350.601837] ndisc_alloc_skb+0x144/0x340 [ 350.605903] ndisc_send_rs+0x331/0x6e0 [ 350.609796] addrconf_rs_timer+0x314/0x690 [ 350.614265] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 350.618513] call_timer_fn+0x272/0x920 [ 350.622404] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 350.626643] ? process_timeout+0x40/0x40 [ 350.630727] ? __run_timers+0x7da/0xc70 [ 350.634707] ? _raw_spin_unlock_irq+0x27/0x80 [ 350.639199] ? _raw_spin_unlock_irq+0x27/0x80 [ 350.643696] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 350.647931] ? lockdep_hardirqs_on+0x296/0x5b0 [ 350.652511] ? trace_hardirqs_on+0xbd/0x310 [ 350.656832] ? kasan_check_read+0x11/0x20 [ 350.660992] ? __run_timers+0x7da/0xc70 [ 350.664979] ? trace_hardirqs_off_caller+0x310/0x310 [ 350.670094] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 350.674326] __run_timers+0x7e5/0xc70 [ 350.678140] ? timer_fixup_init+0x70/0x70 [ 350.682293] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 350.687309] ? zap_class+0x640/0x640 [ 350.691032] ? enqueue_hrtimer+0x1a5/0x560 [ 350.695269] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 350.700465] ? find_held_lock+0x36/0x1c0 [ 350.704534] ? zap_class+0x640/0x640 [ 350.708261] ? pvclock_read_flags+0x160/0x160 [ 350.712758] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.718300] ? check_preemption_disabled+0x48/0x280 [ 350.723326] ? __lock_is_held+0xb5/0x140 [ 350.727386] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.732925] ? check_preemption_disabled+0x48/0x280 [ 350.737945] run_timer_softirq+0x52/0xb0 [ 350.742030] ? rcu_read_lock_sched_held+0x14f/0x180 [ 350.747561] __do_softirq+0x308/0xb7e [ 350.751367] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 350.755868] ? lock_downgrade+0x900/0x900 [ 350.760055] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 350.765167] ? pvclock_read_flags+0x160/0x160 [ 350.769665] ? lapic_next_event+0x5a/0x90 [ 350.773816] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.779356] ? kvm_clock_read+0x18/0x30 [ 350.783329] ? kvm_sched_clock_read+0x9/0x20 [ 350.787764] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.793313] ? check_preemption_disabled+0x48/0x280 [ 350.798342] irq_exit+0x17f/0x1c0 [ 350.801798] smp_apic_timer_interrupt+0x1cb/0x760 [ 350.806639] ? smp_reschedule_interrupt+0x109/0x650 [ 350.811658] ? smp_call_function_single_interrupt+0x650/0x650 [ 350.817558] ? interrupt_entry+0xb5/0xc0 [ 350.821639] ? trace_hardirqs_off_caller+0xbb/0x310 [ 350.826673] ? trace_hardirqs_off_caller+0xbb/0x310 [ 350.831690] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 350.836538] ? trace_hardirqs_on_caller+0x310/0x310 [ 350.841563] ? trace_hardirqs_on_caller+0x310/0x310 [ 350.846608] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 350.851457] apic_timer_interrupt+0xf/0x20 [ 350.855686] [ 350.857922] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 350.862851] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7 [ 350.881750] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 350.889472] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 350.896737] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286 [ 350.904007] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000 [ 350.911280] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 350.918575] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020 [ 350.925897] skb_clone+0x1bb/0x500 [ 350.929452] ? finish_task_switch+0x2f4/0x910 [ 350.933966] ? skb_split+0x11e0/0x11e0 [ 350.937857] ? preempt_notifier_register+0x200/0x200 [ 350.942957] ? __switch_to_asm+0x34/0x70 [ 350.947016] ? __switch_to_asm+0x34/0x70 [ 350.951085] ? __switch_to_asm+0x40/0x70 [ 350.955141] ? __switch_to_asm+0x34/0x70 [ 350.959196] ? __switch_to_asm+0x40/0x70 [ 350.963252] ? __switch_to_asm+0x34/0x70 [ 350.967311] ? __switch_to_asm+0x40/0x70 [ 350.971367] ? __switch_to_asm+0x34/0x70 [ 350.975436] ? __switch_to_asm+0x34/0x70 [ 350.979507] ? __switch_to_asm+0x40/0x70 [ 350.983567] ? __switch_to_asm+0x34/0x70 [ 350.987634] bpf_clone_redirect+0xb9/0x490 [ 350.991866] ? __schedule+0x8d7/0x21d0 [ 350.995758] bpf_prog_bebbfe2050753572+0x1d8/0x1000 [ 351.000786] ? __sched_text_start+0x8/0x8 [ 351.004951] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 351.009529] ? retint_kernel+0x2d/0x2d [ 351.013418] ? trace_hardirqs_on_caller+0xc0/0x310 [ 351.018353] ? find_held_lock+0x36/0x1c0 [ 351.022426] ? lock_acquire+0x1ed/0x520 [ 351.026399] ? bpf_test_run+0x3cb/0x780 [ 351.030374] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.035912] ? check_preemption_disabled+0x48/0x280 [ 351.040937] ? kasan_check_read+0x11/0x20 [ 351.045086] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 351.050367] ? rcu_softirq_qs+0x20/0x20 [ 351.054343] ? preempt_schedule+0x4d/0x60 [ 351.058491] ? ___preempt_schedule+0x16/0x18 [ 351.062975] ? bpf_test_run+0x25d/0x780 [ 351.066959] ? netlink_diag_dump+0x2a0/0x2a0 [ 351.071370] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 351.076908] ? bpf_test_init.isra.10+0x70/0x100 [ 351.081584] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 351.086355] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 351.091197] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 351.096735] ? fput+0x130/0x1a0 [ 351.100012] ? __bpf_prog_get+0x9b/0x290 [ 351.104091] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 351.108934] ? bpf_prog_test_run+0x130/0x1a0 [ 351.113362] ? __x64_sys_bpf+0x3d8/0x520 [ 351.117421] ? bpf_prog_get+0x20/0x20 [ 351.121242] ? do_syscall_64+0x1b9/0x820 [ 351.125304] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 351.130669] ? syscall_return_slowpath+0x5e0/0x5e0 [ 351.135602] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 351.140446] ? trace_hardirqs_on_caller+0x310/0x310 [ 351.145480] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 351.150498] ? prepare_exit_to_usermode+0x291/0x3b0 [ 351.155520] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 351.160375] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 351.165758] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145 [ 351.165763] warn_alloc_show_mem: 1 callbacks suppressed [ 351.165771] Mem-Info: [ 351.172784] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 351.178152] active_anon:51179 inactive_anon:236 isolated_anon:0 [ 351.178152] active_file:17 inactive_file:9 isolated_file:0 [ 351.178152] unevictable:0 dirty:0 writeback:0 unstable:0 [ 351.178152] slab_reclaimable:9362 slab_unreclaimable:1467319 [ 351.178152] mapped:16386 shmem:283 pagetables:457 bounce:0 [ 351.178152] free:13694 free_pcp:258 free_cma:0 [ 351.180552] Call Trace: [ 351.189946] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 351.222701] [ 351.225269] 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 [ 351.252762] dump_stack+0x244/0x39d [ 351.254888] lowmem_reserve[]: 0 2818 6321 6321 [ 351.280996] ? dump_stack_print_info.cold.1+0x20/0x20 [ 351.284597] Node 0 DMA32 free:24972kB 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:0kB local_pcp:0kB free_cma:0kB [ 351.289186] warn_alloc.cold.116+0xb7/0x1bd [ 351.294342] lowmem_reserve[]: 0 0 3503 3503 [ 351.321488] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 351.325812] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB [ 351.330133] ? lock_downgrade+0x900/0x900 [ 351.334954] lowmem_reserve[]: 0 0 0 0 [ 351.363926] ? trace_hardirqs_off+0xb8/0x310 [ 351.368043] 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 [ 351.371855] ? trace_hardirqs_off+0xb8/0x310 [ 351.376235] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB [ 351.389773] __alloc_pages_slowpath+0x26e8/0x2e10 [ 351.394156] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB [ 351.409342] ? warn_alloc+0x120/0x120 [ 351.414143] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 351.428346] ? print_usage_bug+0xc0/0xc0 [ 351.432125] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 351.440946] ? warn_alloc+0x120/0x120 [ 351.444981] 309 total pagecache pages [ 351.453546] ? warn_alloc+0x120/0x120 [ 351.457329] 0 pages in swap cache [ 351.461118] ? print_usage_bug+0xc0/0xc0 [ 351.464897] Swap cache stats: add 0, delete 0, find 0/0 [ 351.468339] ? print_usage_bug+0xc0/0xc0 [ 351.472387] Free swap = 0kB [ 351.477741] ? __lock_acquire+0x62f/0x4c20 [ 351.481774] Total swap = 0kB [ 351.484786] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 351.488993] 1965979 pages RAM [ 351.492004] ? should_fail+0x22d/0xd01 [ 351.497519] 0 pages HighMem/MovableOnly [ 351.500633] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 351.504491] 342853 pages reserved [ 351.508474] ? __lock_acquire+0x62f/0x4c20 [ 351.513555] 0 pages cma reserved [ 351.517003] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 351.521288] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 351.524587] ? __lock_acquire+0x62f/0x4c20 [ 351.524600] ? should_fail+0x22d/0xd01 [ 351.524614] ? find_held_lock+0x36/0x1c0 [ 351.524635] ? mark_held_locks+0x130/0x130 [ 351.529766] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 351.536195] ? mark_held_locks+0x130/0x130 [ 351.540422] syz-executor2 cpuset=syz2 mems_allowed=0 [ 351.544329] ? zap_class+0x640/0x640 [ 351.576116] ? zap_class+0x640/0x640 [ 351.579849] ? print_usage_bug+0xc0/0xc0 [ 351.583925] ? do_raw_spin_unlock+0xa7/0x330 [ 351.588334] ? zap_class+0x640/0x640 [ 351.592072] ? print_usage_bug+0xc0/0xc0 [ 351.596133] ? wq_watchdog_touch+0x9c/0xfe [ 351.600372] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.605911] ? check_preemption_disabled+0x48/0x280 [ 351.610944] ? __lock_is_held+0xb5/0x140 [ 351.615014] __alloc_pages_nodemask+0xa80/0xde0 [ 351.619707] ? zap_class+0x640/0x640 [ 351.623425] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 351.628453] ? find_held_lock+0x36/0x1c0 [ 351.632524] ? ____cache_alloc_node+0x1c7/0x1e0 [ 351.637207] ? lock_downgrade+0x900/0x900 [ 351.641363] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.646910] cache_grow_begin+0xa5/0x8c0 [ 351.650972] ? do_raw_spin_unlock+0xa7/0x330 [ 351.655389] fallback_alloc+0x204/0x2e0 [ 351.659371] ____cache_alloc_node+0x1c7/0x1e0 [ 351.663876] kmem_cache_alloc_node+0xe3/0x730 [ 351.668372] ? ipv6_get_ifaddr+0x42e/0x620 [ 351.672623] __alloc_skb+0x119/0x770 [ 351.676336] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 351.681621] ? netdev_alloc_frag+0x1f0/0x1f0 [ 351.686037] ? lock_downgrade+0x900/0x900 [ 351.690196] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.695732] ? refcount_sub_and_test_checked+0x203/0x310 [ 351.701203] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 351.706655] ? addrconf_rs_timer+0x690/0x690 [ 351.711079] ndisc_alloc_skb+0x144/0x340 [ 351.715146] ndisc_send_rs+0x331/0x6e0 [ 351.719050] addrconf_rs_timer+0x314/0x690 [ 351.723290] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 351.727553] call_timer_fn+0x272/0x920 [ 351.731456] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 351.735689] ? process_timeout+0x40/0x40 [ 351.739763] ? mark_held_locks+0xc7/0x130 [ 351.743911] ? _raw_spin_unlock_irq+0x27/0x80 [ 351.748410] ? _raw_spin_unlock_irq+0x27/0x80 [ 351.752902] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 351.757139] ? lockdep_hardirqs_on+0x296/0x5b0 [ 351.761725] ? trace_hardirqs_on+0xbd/0x310 [ 351.766059] ? kasan_check_read+0x11/0x20 [ 351.770212] ? __run_timers+0x7da/0xc70 [ 351.774186] ? trace_hardirqs_off_caller+0x310/0x310 [ 351.779306] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 351.783580] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 351.787828] __run_timers+0x7e5/0xc70 [ 351.791642] ? timer_fixup_init+0x70/0x70 [ 351.795794] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 351.800810] ? zap_class+0x640/0x640 [ 351.804529] ? print_usage_bug+0xc0/0xc0 [ 351.808592] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 351.813790] ? find_held_lock+0x36/0x1c0 [ 351.817865] ? zap_class+0x640/0x640 [ 351.821589] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.827127] ? check_preemption_disabled+0x48/0x280 [ 351.832157] ? __lock_is_held+0xb5/0x140 [ 351.836225] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.841765] ? check_preemption_disabled+0x48/0x280 [ 351.846787] run_timer_softirq+0x52/0xb0 [ 351.850852] ? rcu_read_lock_sched_held+0x14f/0x180 [ 351.855871] __do_softirq+0x308/0xb7e [ 351.859674] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 351.864171] ? lock_downgrade+0x900/0x900 [ 351.868324] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 351.873445] ? pvclock_read_flags+0x160/0x160 [ 351.877941] ? lapic_next_event+0x5a/0x90 [ 351.882088] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.887631] ? kvm_clock_read+0x18/0x30 [ 351.891636] ? kvm_sched_clock_read+0x9/0x20 [ 351.896058] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.901608] ? check_preemption_disabled+0x48/0x280 [ 351.906650] irq_exit+0x17f/0x1c0 [ 351.910101] smp_apic_timer_interrupt+0x1cb/0x760 [ 351.914939] ? smp_reschedule_interrupt+0x109/0x650 [ 351.919958] ? smp_call_function_single_interrupt+0x650/0x650 [ 351.925879] ? interrupt_entry+0xb5/0xc0 [ 351.929941] ? trace_hardirqs_off_caller+0xbb/0x310 [ 351.934958] ? trace_hardirqs_off_caller+0xbb/0x310 [ 351.939976] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 351.944817] ? trace_hardirqs_on_caller+0x310/0x310 [ 351.949834] ? trace_hardirqs_on_caller+0x310/0x310 [ 351.954852] ? task_prio+0x50/0x50 [ 351.958406] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.963960] ? check_preemption_disabled+0x48/0x280 [ 351.969008] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 351.973895] apic_timer_interrupt+0xf/0x20 [ 351.978144] [ 351.980383] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 351.985573] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 352.004471] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 352.012175] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e [ 352.019442] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc [ 352.026708] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 352.033974] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000 [ 352.041241] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 352.048564] retint_kernel+0x1b/0x2d [ 352.052285] RIP: 0010:dump_stack+0x358/0x39d [ 352.056696] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 352.075592] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 352.083299] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e [ 352.090563] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 352.097828] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 352.105092] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45 [ 352.112356] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 352.119656] ? dump_stack+0x34f/0x39d [ 352.123471] ? dump_stack_print_info.cold.1+0x20/0x20 [ 352.128665] ? mark_held_locks+0x130/0x130 [ 352.132899] ? mark_held_locks+0x130/0x130 [ 352.137137] dump_header+0x27b/0xf72 [ 352.140863] ? pagefault_out_of_memory+0x197/0x197 [ 352.145799] ? __lock_acquire+0x62f/0x4c20 [ 352.150049] ? percpu_ref_get_many+0x240/0x240 [ 352.154638] ? print_usage_bug+0xc0/0xc0 [ 352.158705] ? zap_class+0x640/0x640 [ 352.162422] ? print_usage_bug+0xc0/0xc0 [ 352.166483] ? print_usage_bug+0xc0/0xc0 [ 352.170588] ? zap_class+0x640/0x640 [ 352.174310] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.179855] ? find_held_lock+0x36/0x1c0 [ 352.183924] ? mark_held_locks+0xc7/0x130 [ 352.188074] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 352.193180] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 352.198284] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 352.202865] ? trace_hardirqs_on+0xbd/0x310 [ 352.207201] ? kasan_check_read+0x11/0x20 [ 352.211348] ? ___ratelimit+0x3b4/0x672 [ 352.215324] ? trace_hardirqs_off_caller+0x310/0x310 [ 352.220432] ? trace_hardirqs_on+0x310/0x310 [ 352.224840] ? lock_downgrade+0x900/0x900 [ 352.228991] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 352.234101] ? ___ratelimit+0x3b9/0x672 [ 352.238081] ? idr_get_free+0xf70/0xf70 [ 352.242060] ? find_held_lock+0x36/0x1c0 [ 352.246133] oom_kill_process.cold.27+0x10/0x903 [ 352.250887] ? zap_class+0x640/0x640 [ 352.254618] ? check_preemption_disabled+0x48/0x280 [ 352.259638] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 352.264563] ? kasan_check_read+0x11/0x20 [ 352.268711] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 352.273985] ? oom_evaluate_task+0x540/0x540 [ 352.278400] ? find_held_lock+0x36/0x1c0 [ 352.282486] ? out_of_memory+0x974/0x1430 [ 352.286647] ? lock_downgrade+0x900/0x900 [ 352.290809] ? check_preemption_disabled+0x48/0x280 [ 352.295847] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 352.300774] ? kasan_check_read+0x11/0x20 [ 352.304917] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 352.310210] ? rcu_softirq_qs+0x20/0x20 [ 352.314190] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 352.319729] ? oom_evaluate_task+0x302/0x540 [ 352.324145] out_of_memory+0xa84/0x1430 [ 352.328134] ? oom_killer_disable+0x3a0/0x3a0 [ 352.332630] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 352.337565] ? __ww_mutex_check_waiters+0x160/0x160 [ 352.342597] __alloc_pages_slowpath+0x2354/0x2e10 [ 352.347485] ? warn_alloc+0x120/0x120 [ 352.351288] ? mark_held_locks+0x130/0x130 [ 352.355532] ? find_get_entry+0xaae/0x1120 [ 352.359791] ? filemap_map_pages+0x1a20/0x1a20 [ 352.364377] ? zap_class+0x640/0x640 [ 352.368097] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.373635] ? check_preemption_disabled+0x48/0x280 [ 352.378652] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 352.384187] ? should_fail+0x22d/0xd01 [ 352.388082] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 352.393190] ? zap_class+0x640/0x640 [ 352.396931] ? __lock_is_held+0xb5/0x140 [ 352.401028] ? mark_held_locks+0x130/0x130 [ 352.405270] ? lock_release+0xa00/0xa00 [ 352.409245] ? perf_trace_sched_process_exec+0x860/0x860 [ 352.414697] ? xa_load+0x2ba/0x460 [ 352.418239] ? lock_downgrade+0x900/0x900 [ 352.422390] ? __might_sleep+0x95/0x190 [ 352.426374] __alloc_pages_nodemask+0xa80/0xde0 [ 352.431088] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 352.436125] ? __page_cache_alloc+0x191/0x5c0 [ 352.440616] ? xa_load+0x2e1/0x460 [ 352.444153] ? xa_clear_mark+0x40/0x40 [ 352.448049] ? zap_class+0x640/0x640 [ 352.451770] ? zap_class+0x640/0x640 [ 352.455501] ? zap_class+0x640/0x640 [ 352.459214] ? __do_page_cache_readahead+0x663/0x810 [ 352.464325] ? find_held_lock+0x36/0x1c0 [ 352.468390] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 352.473935] alloc_pages_current+0x173/0x350 [ 352.478352] __page_cache_alloc+0x38c/0x5c0 [ 352.482668] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 352.487597] ? kasan_check_read+0x11/0x20 [ 352.491742] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 352.497026] ? generic_perform_write+0x6a0/0x6a0 [ 352.501804] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 352.507345] ? check_preemption_disabled+0x48/0x280 [ 352.512367] filemap_fault+0x1595/0x25f0 [ 352.516454] ? __lock_page_or_retry+0xa00/0xa00 [ 352.521123] ? mark_held_locks+0x130/0x130 [ 352.525372] ? filemap_map_pages+0xd6b/0x1a20 [ 352.529868] ? lock_downgrade+0x900/0x900 [ 352.534023] ? check_preemption_disabled+0x48/0x280 [ 352.539058] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 352.543985] ? kasan_check_read+0x11/0x20 [ 352.548171] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 352.553451] ? rcu_softirq_qs+0x20/0x20 [ 352.557440] ? filemap_map_pages+0xd92/0x1a20 [ 352.561947] ? find_get_entries_tag+0x1400/0x1400 [ 352.566789] ? ep_scan_ready_list+0xbc7/0x1050 [ 352.571387] ? trace_hardirqs_off_caller+0x310/0x310 [ 352.576521] ? lock_acquire+0x1ed/0x520 [ 352.580490] ? ext4_filemap_fault+0x7a/0xad [ 352.584817] ? lock_release+0xa00/0xa00 [ 352.588801] ? perf_trace_sched_process_exec+0x860/0x860 [ 352.594267] ? print_usage_bug+0xc0/0xc0 [ 352.598328] ? print_usage_bug+0xc0/0xc0 [ 352.602400] ? down_read+0x8d/0x120 [ 352.606060] ? ext4_filemap_fault+0x7a/0xad [ 352.610384] ? __down_interruptible+0x700/0x700 [ 352.615524] ext4_filemap_fault+0x82/0xad [ 352.619690] __do_fault+0x100/0x6b0 [ 352.623322] ? pmd_devmap_trans_unstable+0x220/0x220 [ 352.628427] ? mark_held_locks+0x130/0x130 [ 352.632671] ? mark_held_locks+0x130/0x130 [ 352.636933] ? kasan_check_read+0x11/0x20 [ 352.641084] ? ep_poll+0xffa/0x13d0 [ 352.644710] ? trace_hardirqs_off_caller+0x310/0x310 [ 352.649816] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 352.655357] __handle_mm_fault+0x3ea0/0x5be0 [ 352.659766] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.665342] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 352.670204] ? do_epoll_create+0x590/0x590 [ 352.674439] ? kasan_check_read+0x11/0x20 [ 352.678611] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 352.683891] ? rcu_softirq_qs+0x20/0x20 [ 352.687895] ? zap_class+0x640/0x640 [ 352.691623] ? zap_class+0x640/0x640 [ 352.695341] ? find_held_lock+0x36/0x1c0 [ 352.699407] ? handle_mm_fault+0x42a/0xc70 [ 352.703643] ? lock_downgrade+0x900/0x900 [ 352.707792] ? check_preemption_disabled+0x48/0x280 [ 352.712812] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 352.717738] ? kasan_check_read+0x11/0x20 [ 352.721884] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 352.727159] ? rcu_softirq_qs+0x20/0x20 [ 352.731132] ? trace_hardirqs_off_caller+0x310/0x310 [ 352.736232] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 352.741769] ? check_preemption_disabled+0x48/0x280 [ 352.747010] handle_mm_fault+0x54f/0xc70 [ 352.751121] ? __handle_mm_fault+0x5be0/0x5be0 [ 352.755715] ? find_vma+0x34/0x190 [ 352.759269] __do_page_fault+0x5e8/0xe60 [ 352.763327] ? trace_hardirqs_off+0xb8/0x310 [ 352.767733] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 352.773276] do_page_fault+0xf2/0x7e0 [ 352.777079] ? vmalloc_sync_all+0x30/0x30 [ 352.781230] ? error_entry+0x70/0xd0 [ 352.784946] ? trace_hardirqs_off_caller+0xbb/0x310 [ 352.789959] ? trace_hardirqs_on_caller+0xc0/0x310 [ 352.794888] ? syscall_return_slowpath+0x5e0/0x5e0 [ 352.799819] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 352.804661] ? trace_hardirqs_on_caller+0x310/0x310 [ 352.809676] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 352.815146] ? prepare_exit_to_usermode+0x291/0x3b0 [ 352.820170] ? page_fault+0x8/0x30 [ 352.823714] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 352.828557] ? page_fault+0x8/0x30 [ 352.832118] page_fault+0x1e/0x30 [ 352.835619] RIP: 0033:0x45df89 [ 352.838833] Code: Bad RIP value. [ 352.842192] RSP: 002b:000000c42017b850 EFLAGS: 00010246 [ 352.847551] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89 [ 352.854817] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004 [ 352.862089] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500 [ 352.869358] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8 [ 352.876624] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff [ 352.883916] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145 [ 352.883979] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 352.891276] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 352.891285] Call Trace: [ 352.897848] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 352.907102] [ 352.909670] syz-fuzzer cpuset=/ mems_allowed=0 [ 352.919887] dump_stack+0x244/0x39d [ 352.930204] ? dump_stack_print_info.cold.1+0x20/0x20 [ 352.935408] warn_alloc.cold.116+0xb7/0x1bd [ 352.939733] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 352.944581] ? lock_downgrade+0x900/0x900 [ 352.948742] ? trace_hardirqs_off+0xb8/0x310 [ 352.953162] ? trace_hardirqs_off+0xb8/0x310 [ 352.957590] __alloc_pages_slowpath+0x26e8/0x2e10 [ 352.962462] ? warn_alloc+0x120/0x120 [ 352.966265] ? print_usage_bug+0xc0/0xc0 [ 352.970331] ? warn_alloc+0x120/0x120 [ 352.974138] ? warn_alloc+0x120/0x120 [ 352.977944] ? print_usage_bug+0xc0/0xc0 [ 352.982010] ? print_usage_bug+0xc0/0xc0 [ 352.986089] ? __lock_acquire+0x62f/0x4c20 [ 352.990335] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 352.995871] ? should_fail+0x22d/0xd01 [ 352.999762] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 353.004866] ? __lock_acquire+0x62f/0x4c20 [ 353.009135] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 353.014239] ? __lock_acquire+0x62f/0x4c20 [ 353.018470] ? should_fail+0x22d/0xd01 [ 353.022357] ? find_held_lock+0x36/0x1c0 [ 353.026431] ? mark_held_locks+0x130/0x130 [ 353.030674] ? mark_held_locks+0x130/0x130 [ 353.034921] ? zap_class+0x640/0x640 [ 353.038636] ? zap_class+0x640/0x640 [ 353.042350] ? print_usage_bug+0xc0/0xc0 [ 353.046414] ? do_raw_spin_unlock+0xa7/0x330 [ 353.050822] ? zap_class+0x640/0x640 [ 353.054537] ? print_usage_bug+0xc0/0xc0 [ 353.058602] ? wq_watchdog_touch+0x9c/0xfe [ 353.062841] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.068380] ? check_preemption_disabled+0x48/0x280 [ 353.073405] ? __lock_is_held+0xb5/0x140 [ 353.077474] __alloc_pages_nodemask+0xa80/0xde0 [ 353.082144] ? zap_class+0x640/0x640 [ 353.085864] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 353.090894] ? find_held_lock+0x36/0x1c0 [ 353.094993] ? ____cache_alloc_node+0x1c7/0x1e0 [ 353.099686] ? lock_downgrade+0x900/0x900 [ 353.103846] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.109391] cache_grow_begin+0xa5/0x8c0 [ 353.113453] ? do_raw_spin_unlock+0xa7/0x330 [ 353.117872] fallback_alloc+0x204/0x2e0 [ 353.121853] ____cache_alloc_node+0x1c7/0x1e0 [ 353.126353] kmem_cache_alloc_node+0xe3/0x730 [ 353.130852] ? ipv6_get_ifaddr+0x42e/0x620 [ 353.135100] __alloc_skb+0x119/0x770 [ 353.138811] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 353.144091] ? netdev_alloc_frag+0x1f0/0x1f0 [ 353.148498] ? lock_downgrade+0x900/0x900 [ 353.152653] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.158195] ? refcount_sub_and_test_checked+0x203/0x310 [ 353.163648] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 353.169098] ? addrconf_rs_timer+0x690/0x690 [ 353.173522] ndisc_alloc_skb+0x144/0x340 [ 353.177592] ndisc_send_rs+0x331/0x6e0 [ 353.181484] addrconf_rs_timer+0x314/0x690 [ 353.185729] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 353.189977] call_timer_fn+0x272/0x920 [ 353.193866] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 353.198105] ? process_timeout+0x40/0x40 [ 353.202192] ? __run_timers+0x7da/0xc70 [ 353.206186] ? _raw_spin_unlock_irq+0x27/0x80 [ 353.210677] ? _raw_spin_unlock_irq+0x27/0x80 [ 353.215171] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 353.219405] ? lockdep_hardirqs_on+0x296/0x5b0 [ 353.223990] ? trace_hardirqs_on+0xbd/0x310 [ 353.228319] ? kasan_check_read+0x11/0x20 [ 353.232468] ? __run_timers+0x7da/0xc70 [ 353.236444] ? trace_hardirqs_off_caller+0x310/0x310 [ 353.241555] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 353.245799] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 353.250039] __run_timers+0x7e5/0xc70 [ 353.253857] ? timer_fixup_init+0x70/0x70 [ 353.258010] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 353.263057] ? zap_class+0x640/0x640 [ 353.266779] ? enqueue_hrtimer+0x1a5/0x560 [ 353.271026] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 353.276225] ? find_held_lock+0x36/0x1c0 [ 353.280309] ? zap_class+0x640/0x640 [ 353.284039] ? pvclock_read_flags+0x160/0x160 [ 353.288546] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.294091] ? check_preemption_disabled+0x48/0x280 [ 353.299117] ? __lock_is_held+0xb5/0x140 [ 353.303184] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.308727] ? check_preemption_disabled+0x48/0x280 [ 353.313752] run_timer_softirq+0x52/0xb0 [ 353.317829] ? rcu_read_lock_sched_held+0x14f/0x180 [ 353.322878] __do_softirq+0x308/0xb7e [ 353.326725] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 353.331241] ? lock_downgrade+0x900/0x900 [ 353.335397] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 353.340545] ? pvclock_read_flags+0x160/0x160 [ 353.345061] ? lapic_next_event+0x5a/0x90 [ 353.349211] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.354760] ? kvm_clock_read+0x18/0x30 [ 353.358746] ? kvm_sched_clock_read+0x9/0x20 [ 353.363165] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.368707] ? check_preemption_disabled+0x48/0x280 [ 353.373744] irq_exit+0x17f/0x1c0 [ 353.377203] smp_apic_timer_interrupt+0x1cb/0x760 [ 353.382056] ? smp_reschedule_interrupt+0x109/0x650 [ 353.387075] ? smp_call_function_single_interrupt+0x650/0x650 [ 353.392960] ? interrupt_entry+0xb5/0xc0 [ 353.397031] ? trace_hardirqs_off_caller+0xbb/0x310 [ 353.402055] ? trace_hardirqs_off_caller+0xbb/0x310 [ 353.407075] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 353.411921] ? trace_hardirqs_on_caller+0x310/0x310 [ 353.416938] ? trace_hardirqs_on_caller+0x310/0x310 [ 353.421969] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 353.426822] apic_timer_interrupt+0xf/0x20 [ 353.431053] [ 353.433294] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 353.438242] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7 [ 353.457155] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 353.464907] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 353.472172] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286 [ 353.479450] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000 [ 353.486719] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 353.493984] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020 [ 353.501294] skb_clone+0x1bb/0x500 [ 353.504837] ? finish_task_switch+0x2f4/0x910 [ 353.509333] ? skb_split+0x11e0/0x11e0 [ 353.513222] ? preempt_notifier_register+0x200/0x200 [ 353.518322] ? __switch_to_asm+0x34/0x70 [ 353.522386] ? __switch_to_asm+0x34/0x70 [ 353.526446] ? __switch_to_asm+0x40/0x70 [ 353.530566] ? __switch_to_asm+0x34/0x70 [ 353.534642] ? __switch_to_asm+0x40/0x70 [ 353.538703] ? __switch_to_asm+0x34/0x70 [ 353.542764] ? __switch_to_asm+0x40/0x70 [ 353.546824] ? __switch_to_asm+0x34/0x70 [ 353.550884] ? __switch_to_asm+0x34/0x70 [ 353.554941] ? __switch_to_asm+0x40/0x70 [ 353.558995] ? __switch_to_asm+0x34/0x70 [ 353.563076] bpf_clone_redirect+0xb9/0x490 [ 353.567316] ? __schedule+0x8d7/0x21d0 [ 353.571214] bpf_prog_bebbfe2050753572+0x1d8/0x1000 [ 353.576237] ? __sched_text_start+0x8/0x8 [ 353.580388] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 353.584967] ? retint_kernel+0x2d/0x2d [ 353.588857] ? trace_hardirqs_on_caller+0xc0/0x310 [ 353.593805] ? find_held_lock+0x36/0x1c0 [ 353.597902] ? lock_acquire+0x1ed/0x520 [ 353.601874] ? bpf_test_run+0x3cb/0x780 [ 353.605857] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.611396] ? check_preemption_disabled+0x48/0x280 [ 353.616419] ? kasan_check_read+0x11/0x20 [ 353.620574] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 353.625850] ? rcu_softirq_qs+0x20/0x20 [ 353.629823] ? preempt_schedule+0x4d/0x60 [ 353.633973] ? ___preempt_schedule+0x16/0x18 [ 353.638388] ? bpf_test_run+0x25d/0x780 [ 353.642386] ? netlink_diag_dump+0x2a0/0x2a0 [ 353.646817] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 353.652369] ? bpf_test_init.isra.10+0x70/0x100 [ 353.657048] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 353.661829] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 353.666671] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 353.672212] ? fput+0x130/0x1a0 [ 353.675491] ? __bpf_prog_get+0x9b/0x290 [ 353.679561] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 353.684403] ? bpf_prog_test_run+0x130/0x1a0 [ 353.688812] ? __x64_sys_bpf+0x3d8/0x520 [ 353.692875] ? bpf_prog_get+0x20/0x20 [ 353.696691] ? do_syscall_64+0x1b9/0x820 [ 353.700748] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 353.706162] ? syscall_return_slowpath+0x5e0/0x5e0 [ 353.711091] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 353.715963] ? trace_hardirqs_on_caller+0x310/0x310 [ 353.720995] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 353.726063] ? prepare_exit_to_usermode+0x291/0x3b0 [ 353.731087] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 353.735947] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 353.741333] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145 [ 353.741338] warn_alloc_show_mem: 1 callbacks suppressed [ 353.741345] Mem-Info: [ 353.748368] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 353.748376] Call Trace: [ 353.753745] active_anon:51179 inactive_anon:236 isolated_anon:0 [ 353.753745] active_file:17 inactive_file:9 isolated_file:0 [ 353.753745] unevictable:0 dirty:0 writeback:0 unstable:0 [ 353.753745] slab_reclaimable:9362 slab_unreclaimable:1467319 [ 353.753745] mapped:16386 shmem:283 pagetables:457 bounce:0 [ 353.753745] free:13694 free_pcp:258 free_cma:0 [ 353.756115] [ 353.765479] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 353.768068] dump_stack+0x244/0x39d [ 353.800833] 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 [ 353.802984] ? dump_stack_print_info.cold.1+0x20/0x20 [ 353.830465] lowmem_reserve[]: 0 2818 6321 6321 [ 353.834098] warn_alloc.cold.116+0xb7/0x1bd [ 353.860175] Node 0 DMA32 free:24972kB 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:0kB local_pcp:0kB free_cma:0kB [ 353.865356] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 353.869913] lowmem_reserve[]: 0 0 3503 3503 [ 353.874251] ? lock_downgrade+0x900/0x900 [ 353.901373] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB [ 353.906211] ? trace_hardirqs_off+0xb8/0x310 [ 353.910500] lowmem_reserve[]: 0 0 0 0 [ 353.914642] ? trace_hardirqs_off+0xb8/0x310 [ 353.943586] 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 [ 353.947989] __alloc_pages_slowpath+0x26e8/0x2e10 [ 353.951761] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB [ 353.956184] ? warn_alloc+0x120/0x120 [ 353.969672] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB [ 353.974540] ? print_usage_bug+0xc0/0xc0 [ 353.989708] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 353.993492] ? warn_alloc+0x120/0x120 [ 354.007704] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 354.011763] ? warn_alloc+0x120/0x120 [ 354.020571] 309 total pagecache pages [ 354.024366] ? print_usage_bug+0xc0/0xc0 [ 354.032916] 0 pages in swap cache [ 354.036707] ? kvm_clock_read+0x18/0x30 [ 354.040486] Swap cache stats: add 0, delete 0, find 0/0 [ 354.044536] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 354.047982] Free swap = 0kB [ 354.051948] ? print_usage_bug+0xc0/0xc0 [ 354.057286] Total swap = 0kB [ 354.062294] ? __lock_acquire+0x62f/0x4c20 [ 354.065289] 1965979 pages RAM [ 354.069346] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 354.072339] 0 pages HighMem/MovableOnly [ 354.076565] ? should_fail+0x22d/0xd01 [ 354.079645] 342853 pages reserved [ 354.085177] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 354.089142] 0 pages cma reserved [ 354.093048] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 354.096532] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 354.101740] ? __lock_acquire+0x62f/0x4c20 [ 354.105225] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 354.110180] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 354.116646] syz-executor2 cpuset=syz2 mems_allowed=0 [ 354.120875] ? __lock_acquire+0x62f/0x4c20 [ 354.145733] ? should_fail+0x22d/0xd01 [ 354.149619] ? rcu_irq_exit+0x1a2/0x390 [ 354.153602] ? mark_held_locks+0x130/0x130 [ 354.157841] ? mark_held_locks+0x130/0x130 [ 354.162085] ? mark_held_locks+0xc7/0x130 [ 354.166234] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 354.171253] ? zap_class+0x640/0x640 [ 354.174968] ? print_usage_bug+0xc0/0xc0 [ 354.179051] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.184590] ? check_preemption_disabled+0x48/0x280 [ 354.189614] ? __lock_is_held+0xb5/0x140 [ 354.193683] __alloc_pages_nodemask+0xa80/0xde0 [ 354.198355] ? zap_class+0x640/0x640 [ 354.202077] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 354.207105] ? find_held_lock+0x36/0x1c0 [ 354.211185] ? ____cache_alloc_node+0x1c7/0x1e0 [ 354.215856] ? lock_downgrade+0x900/0x900 [ 354.220012] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.225565] cache_grow_begin+0xa5/0x8c0 [ 354.229631] ? do_raw_spin_unlock+0xa7/0x330 [ 354.234057] fallback_alloc+0x204/0x2e0 [ 354.238063] ____cache_alloc_node+0x1c7/0x1e0 [ 354.242567] kmem_cache_alloc_node+0xe3/0x730 [ 354.247070] ? ipv6_get_ifaddr+0x42e/0x620 [ 354.251320] __alloc_skb+0x119/0x770 [ 354.255048] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 354.260332] ? netdev_alloc_frag+0x1f0/0x1f0 [ 354.264738] ? lock_downgrade+0x900/0x900 [ 354.268893] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.274444] ? refcount_sub_and_test_checked+0x203/0x310 [ 354.279931] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 354.285379] ? addrconf_rs_timer+0x690/0x690 [ 354.289795] ndisc_alloc_skb+0x144/0x340 [ 354.293859] ndisc_send_rs+0x331/0x6e0 [ 354.297750] addrconf_rs_timer+0x314/0x690 [ 354.301992] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 354.306243] call_timer_fn+0x272/0x920 [ 354.310131] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 354.314379] ? process_timeout+0x40/0x40 [ 354.318463] ? mark_held_locks+0xc7/0x130 [ 354.322611] ? _raw_spin_unlock_irq+0x27/0x80 [ 354.327106] ? _raw_spin_unlock_irq+0x27/0x80 [ 354.331603] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 354.335836] ? lockdep_hardirqs_on+0x296/0x5b0 [ 354.340424] ? trace_hardirqs_on+0xbd/0x310 [ 354.344745] ? kasan_check_read+0x11/0x20 [ 354.348889] ? __run_timers+0x7da/0xc70 [ 354.352876] ? trace_hardirqs_off_caller+0x310/0x310 [ 354.357990] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 354.362234] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 354.366467] __run_timers+0x7e5/0xc70 [ 354.370276] ? timer_fixup_init+0x70/0x70 [ 354.374430] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 354.379444] ? zap_class+0x640/0x640 [ 354.383164] ? print_usage_bug+0xc0/0xc0 [ 354.387231] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 354.392426] ? find_held_lock+0x36/0x1c0 [ 354.396497] ? zap_class+0x640/0x640 [ 354.400222] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.405760] ? check_preemption_disabled+0x48/0x280 [ 354.410785] ? __lock_is_held+0xb5/0x140 [ 354.414847] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.420387] ? check_preemption_disabled+0x48/0x280 [ 354.425408] run_timer_softirq+0x52/0xb0 [ 354.429488] ? rcu_read_lock_sched_held+0x14f/0x180 [ 354.434506] __do_softirq+0x308/0xb7e [ 354.438312] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 354.442804] ? lock_downgrade+0x900/0x900 [ 354.446955] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 354.452097] ? pvclock_read_flags+0x160/0x160 [ 354.456621] ? lapic_next_event+0x5a/0x90 [ 354.460771] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.466318] ? kvm_clock_read+0x18/0x30 [ 354.470291] ? kvm_sched_clock_read+0x9/0x20 [ 354.474706] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.480243] ? check_preemption_disabled+0x48/0x280 [ 354.485270] irq_exit+0x17f/0x1c0 [ 354.488722] smp_apic_timer_interrupt+0x1cb/0x760 [ 354.493597] ? smp_reschedule_interrupt+0x109/0x650 [ 354.498625] ? smp_call_function_single_interrupt+0x650/0x650 [ 354.504526] ? interrupt_entry+0xb5/0xc0 [ 354.508623] ? trace_hardirqs_off_caller+0xbb/0x310 [ 354.513663] ? trace_hardirqs_off_caller+0xbb/0x310 [ 354.518676] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 354.523517] ? trace_hardirqs_on_caller+0x310/0x310 [ 354.528530] ? trace_hardirqs_on_caller+0x310/0x310 [ 354.533559] ? task_prio+0x50/0x50 [ 354.537101] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.542640] ? check_preemption_disabled+0x48/0x280 [ 354.547660] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 354.552509] apic_timer_interrupt+0xf/0x20 [ 354.556735] [ 354.558977] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 354.564167] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 354.583081] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 354.590791] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e [ 354.598062] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc [ 354.605328] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 354.613098] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000 [ 354.620367] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 354.627665] retint_kernel+0x1b/0x2d [ 354.631379] RIP: 0010:dump_stack+0x358/0x39d [ 354.635785] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 354.654687] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 354.662396] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e [ 354.669662] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 354.676927] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 354.684192] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45 [ 354.691458] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 354.698743] ? dump_stack+0x34f/0x39d [ 354.702560] ? dump_stack_print_info.cold.1+0x20/0x20 [ 354.707753] ? mark_held_locks+0x130/0x130 [ 354.711992] ? mark_held_locks+0x130/0x130 [ 354.716257] dump_header+0x27b/0xf72 [ 354.719988] ? pagefault_out_of_memory+0x197/0x197 [ 354.724933] ? __lock_acquire+0x62f/0x4c20 [ 354.729183] ? percpu_ref_get_many+0x240/0x240 [ 354.733941] ? print_usage_bug+0xc0/0xc0 [ 354.738010] ? zap_class+0x640/0x640 [ 354.741743] ? print_usage_bug+0xc0/0xc0 [ 354.746010] ? print_usage_bug+0xc0/0xc0 [ 354.750089] ? zap_class+0x640/0x640 [ 354.753809] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.759366] ? find_held_lock+0x36/0x1c0 [ 354.763501] ? mark_held_locks+0xc7/0x130 [ 354.767664] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 354.772778] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 354.777892] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 354.782493] ? trace_hardirqs_on+0xbd/0x310 [ 354.786815] ? kasan_check_read+0x11/0x20 [ 354.790992] ? ___ratelimit+0x3b4/0x672 [ 354.794974] ? trace_hardirqs_off_caller+0x310/0x310 [ 354.800080] ? trace_hardirqs_on+0x310/0x310 [ 354.804517] ? lock_downgrade+0x900/0x900 [ 354.808672] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 354.813777] ? ___ratelimit+0x3b9/0x672 [ 354.817750] ? idr_get_free+0xf70/0xf70 [ 354.821723] ? find_held_lock+0x36/0x1c0 [ 354.825793] oom_kill_process.cold.27+0x10/0x903 [ 354.830556] ? zap_class+0x640/0x640 [ 354.834273] ? check_preemption_disabled+0x48/0x280 [ 354.839297] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 354.844225] ? kasan_check_read+0x11/0x20 [ 354.848374] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 354.853649] ? oom_evaluate_task+0x540/0x540 [ 354.858069] ? find_held_lock+0x36/0x1c0 [ 354.862140] ? out_of_memory+0x974/0x1430 [ 354.866292] ? lock_downgrade+0x900/0x900 [ 354.870444] ? check_preemption_disabled+0x48/0x280 [ 354.875467] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 354.880397] ? kasan_check_read+0x11/0x20 [ 354.884543] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 354.889821] ? rcu_softirq_qs+0x20/0x20 [ 354.893798] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 354.899343] ? oom_evaluate_task+0x302/0x540 [ 354.903798] out_of_memory+0xa84/0x1430 [ 354.907776] ? oom_killer_disable+0x3a0/0x3a0 [ 354.912301] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 354.917235] ? __ww_mutex_check_waiters+0x160/0x160 [ 354.922264] __alloc_pages_slowpath+0x2354/0x2e10 [ 354.927139] ? warn_alloc+0x120/0x120 [ 354.930994] ? mark_held_locks+0x130/0x130 [ 354.935242] ? find_get_entry+0xaae/0x1120 [ 354.939492] ? filemap_map_pages+0x1a20/0x1a20 [ 354.944082] ? zap_class+0x640/0x640 [ 354.947808] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.953349] ? check_preemption_disabled+0x48/0x280 [ 354.958366] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 354.963904] ? should_fail+0x22d/0xd01 [ 354.967801] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 354.972905] ? zap_class+0x640/0x640 [ 354.976644] ? __lock_is_held+0xb5/0x140 [ 354.980714] ? mark_held_locks+0x130/0x130 [ 354.984952] ? lock_release+0xa00/0xa00 [ 354.988942] ? perf_trace_sched_process_exec+0x860/0x860 [ 354.994410] ? xa_load+0x2ba/0x460 [ 354.997953] ? lock_downgrade+0x900/0x900 [ 355.002109] ? __might_sleep+0x95/0x190 [ 355.006089] __alloc_pages_nodemask+0xa80/0xde0 [ 355.010766] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 355.015799] ? __page_cache_alloc+0x191/0x5c0 [ 355.020310] ? xa_load+0x2e1/0x460 [ 355.023857] ? xa_clear_mark+0x40/0x40 [ 355.027745] ? zap_class+0x640/0x640 [ 355.031468] ? zap_class+0x640/0x640 [ 355.035182] ? zap_class+0x640/0x640 [ 355.038895] ? __do_page_cache_readahead+0x663/0x810 [ 355.044007] ? find_held_lock+0x36/0x1c0 [ 355.048089] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 355.053636] alloc_pages_current+0x173/0x350 [ 355.058068] __page_cache_alloc+0x38c/0x5c0 [ 355.062389] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 355.067321] ? kasan_check_read+0x11/0x20 [ 355.071468] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 355.076762] ? generic_perform_write+0x6a0/0x6a0 [ 355.081518] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 355.087081] ? check_preemption_disabled+0x48/0x280 [ 355.092108] filemap_fault+0x1595/0x25f0 [ 355.096181] ? __lock_page_or_retry+0xa00/0xa00 [ 355.100857] ? mark_held_locks+0x130/0x130 [ 355.105102] ? filemap_map_pages+0xd6b/0x1a20 [ 355.109600] ? lock_downgrade+0x900/0x900 [ 355.113792] ? check_preemption_disabled+0x48/0x280 [ 355.118811] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 355.123738] ? kasan_check_read+0x11/0x20 [ 355.127901] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 355.133182] ? rcu_softirq_qs+0x20/0x20 [ 355.137177] ? filemap_map_pages+0xd92/0x1a20 [ 355.141704] ? find_get_entries_tag+0x1400/0x1400 [ 355.146577] ? ep_scan_ready_list+0xbc7/0x1050 [ 355.151361] ? trace_hardirqs_off_caller+0x310/0x310 [ 355.156481] ? lock_acquire+0x1ed/0x520 [ 355.160480] ? ext4_filemap_fault+0x7a/0xad [ 355.164820] ? lock_release+0xa00/0xa00 [ 355.168797] ? perf_trace_sched_process_exec+0x860/0x860 [ 355.174251] ? print_usage_bug+0xc0/0xc0 [ 355.178318] ? print_usage_bug+0xc0/0xc0 [ 355.182399] ? down_read+0x8d/0x120 [ 355.186038] ? ext4_filemap_fault+0x7a/0xad [ 355.190367] ? __down_interruptible+0x700/0x700 [ 355.195059] ext4_filemap_fault+0x82/0xad [ 355.199212] __do_fault+0x100/0x6b0 [ 355.202848] ? pmd_devmap_trans_unstable+0x220/0x220 [ 355.207959] ? mark_held_locks+0x130/0x130 [ 355.212198] ? mark_held_locks+0x130/0x130 [ 355.216429] ? kasan_check_read+0x11/0x20 [ 355.220594] ? ep_poll+0xffa/0x13d0 [ 355.224236] ? trace_hardirqs_off_caller+0x310/0x310 [ 355.229348] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 355.234889] __handle_mm_fault+0x3ea0/0x5be0 [ 355.239298] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.244848] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 355.249698] ? do_epoll_create+0x590/0x590 [ 355.253930] ? kasan_check_read+0x11/0x20 [ 355.258081] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 355.263359] ? rcu_softirq_qs+0x20/0x20 [ 355.267349] ? zap_class+0x640/0x640 [ 355.271067] ? zap_class+0x640/0x640 [ 355.274792] ? find_held_lock+0x36/0x1c0 [ 355.278866] ? handle_mm_fault+0x42a/0xc70 [ 355.283114] ? lock_downgrade+0x900/0x900 [ 355.287260] ? check_preemption_disabled+0x48/0x280 [ 355.292294] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 355.297222] ? kasan_check_read+0x11/0x20 [ 355.301391] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 355.306664] ? rcu_softirq_qs+0x20/0x20 [ 355.310669] ? trace_hardirqs_off_caller+0x310/0x310 [ 355.315791] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 355.321346] ? check_preemption_disabled+0x48/0x280 [ 355.326372] handle_mm_fault+0x54f/0xc70 [ 355.330468] ? __handle_mm_fault+0x5be0/0x5be0 [ 355.335099] ? find_vma+0x34/0x190 [ 355.338646] __do_page_fault+0x5e8/0xe60 [ 355.342705] ? trace_hardirqs_off+0xb8/0x310 [ 355.347114] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 355.352664] do_page_fault+0xf2/0x7e0 [ 355.356470] ? vmalloc_sync_all+0x30/0x30 [ 355.360622] ? error_entry+0x70/0xd0 [ 355.364339] ? trace_hardirqs_off_caller+0xbb/0x310 [ 355.369357] ? trace_hardirqs_on_caller+0xc0/0x310 [ 355.374290] ? syscall_return_slowpath+0x5e0/0x5e0 [ 355.379217] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 355.384073] ? trace_hardirqs_on_caller+0x310/0x310 [ 355.389091] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 355.394546] ? prepare_exit_to_usermode+0x291/0x3b0 [ 355.399576] ? page_fault+0x8/0x30 [ 355.403122] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 355.407966] ? page_fault+0x8/0x30 [ 355.411511] page_fault+0x1e/0x30 [ 355.414961] RIP: 0033:0x45df89 [ 355.418168] Code: Bad RIP value. [ 355.421527] RSP: 002b:000000c42017b850 EFLAGS: 00010246 [ 355.426889] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89 [ 355.434154] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004 [ 355.441448] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500 [ 355.448744] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8 [ 355.456010] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff [ 355.463317] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145 [ 355.463381] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 355.470681] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 355.470690] Call Trace: [ 355.477308] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 355.486534] [ 355.489109] syz-fuzzer cpuset=/ mems_allowed=0 [ 355.499328] dump_stack+0x244/0x39d [ 355.509651] ? dump_stack_print_info.cold.1+0x20/0x20 [ 355.514857] warn_alloc.cold.116+0xb7/0x1bd [ 355.519184] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 355.524042] ? lock_downgrade+0x900/0x900 [ 355.528209] ? trace_hardirqs_off+0xb8/0x310 [ 355.532625] ? trace_hardirqs_off+0xb8/0x310 [ 355.537052] __alloc_pages_slowpath+0x26e8/0x2e10 [ 355.541928] ? warn_alloc+0x120/0x120 [ 355.545731] ? print_usage_bug+0xc0/0xc0 [ 355.549798] ? warn_alloc+0x120/0x120 [ 355.553606] ? warn_alloc+0x120/0x120 [ 355.557407] ? print_usage_bug+0xc0/0xc0 [ 355.561469] ? kvm_clock_read+0x18/0x30 [ 355.565442] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 355.570462] ? print_usage_bug+0xc0/0xc0 [ 355.574526] ? __lock_acquire+0x62f/0x4c20 [ 355.578775] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 355.584310] ? should_fail+0x22d/0xd01 [ 355.588198] ? __lock_acquire+0x62f/0x4c20 [ 355.592440] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 355.597549] ? __lock_acquire+0x62f/0x4c20 [ 355.601793] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 355.606898] ? __lock_acquire+0x62f/0x4c20 [ 355.611130] ? should_fail+0x22d/0xd01 [ 355.615035] ? mark_held_locks+0x130/0x130 [ 355.619277] ? mark_held_locks+0x130/0x130 [ 355.623511] ? try_to_wake_up+0x11c/0x1490 [ 355.627750] ? lock_downgrade+0x900/0x900 [ 355.631901] ? zap_class+0x640/0x640 [ 355.635615] ? print_usage_bug+0xc0/0xc0 [ 355.639689] ? print_usage_bug+0xc0/0xc0 [ 355.643783] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.649322] ? check_preemption_disabled+0x48/0x280 [ 355.654349] ? __lock_is_held+0xb5/0x140 [ 355.658420] __alloc_pages_nodemask+0xa80/0xde0 [ 355.663089] ? zap_class+0x640/0x640 [ 355.666811] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 355.671843] ? find_held_lock+0x36/0x1c0 [ 355.675913] ? ____cache_alloc_node+0x1c7/0x1e0 [ 355.680586] ? lock_downgrade+0x900/0x900 [ 355.684737] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.690290] cache_grow_begin+0xa5/0x8c0 [ 355.694354] ? do_raw_spin_unlock+0xa7/0x330 [ 355.698770] fallback_alloc+0x204/0x2e0 [ 355.702768] ____cache_alloc_node+0x1c7/0x1e0 [ 355.707272] kmem_cache_alloc_node+0xe3/0x730 [ 355.711781] ? ipv6_get_ifaddr+0x42e/0x620 [ 355.716033] __alloc_skb+0x119/0x770 [ 355.719748] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 355.725037] ? netdev_alloc_frag+0x1f0/0x1f0 [ 355.729446] ? lock_downgrade+0x900/0x900 [ 355.733602] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.739141] ? refcount_sub_and_test_checked+0x203/0x310 [ 355.744599] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 355.750057] ? addrconf_rs_timer+0x690/0x690 [ 355.754480] ndisc_alloc_skb+0x144/0x340 [ 355.758553] ndisc_send_rs+0x331/0x6e0 [ 355.762447] addrconf_rs_timer+0x314/0x690 [ 355.766702] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 355.770965] call_timer_fn+0x272/0x920 [ 355.774863] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 355.779101] ? process_timeout+0x40/0x40 [ 355.783168] ? __run_timers+0x7da/0xc70 [ 355.787143] ? _raw_spin_unlock_irq+0x27/0x80 [ 355.791638] ? _raw_spin_unlock_irq+0x27/0x80 [ 355.796136] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 355.800373] ? lockdep_hardirqs_on+0x296/0x5b0 [ 355.804958] ? trace_hardirqs_on+0xbd/0x310 [ 355.809282] ? kasan_check_read+0x11/0x20 [ 355.813432] ? __run_timers+0x7da/0xc70 [ 355.817406] ? trace_hardirqs_off_caller+0x310/0x310 [ 355.822530] ? tcp_compressed_ack_kick+0x220/0x220 [ 355.827484] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 355.831720] __run_timers+0x7e5/0xc70 [ 355.835556] ? timer_fixup_init+0x70/0x70 [ 355.839712] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 355.844727] ? zap_class+0x640/0x640 [ 355.848442] ? enqueue_hrtimer+0x1a5/0x560 [ 355.852691] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 355.857901] ? find_held_lock+0x36/0x1c0 [ 355.862001] ? zap_class+0x640/0x640 [ 355.865758] ? pvclock_read_flags+0x160/0x160 [ 355.870260] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.875804] ? check_preemption_disabled+0x48/0x280 [ 355.880844] ? __lock_is_held+0xb5/0x140 [ 355.884904] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.890442] ? check_preemption_disabled+0x48/0x280 [ 355.895468] run_timer_softirq+0x52/0xb0 [ 355.899533] ? rcu_read_lock_sched_held+0x14f/0x180 [ 355.904576] __do_softirq+0x308/0xb7e [ 355.908381] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 355.912872] ? lock_downgrade+0x900/0x900 [ 355.917035] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 355.922145] ? pvclock_read_flags+0x160/0x160 [ 355.926643] ? lapic_next_event+0x5a/0x90 [ 355.930792] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.936337] ? kvm_clock_read+0x18/0x30 [ 355.940314] ? kvm_sched_clock_read+0x9/0x20 [ 355.944723] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.950261] ? check_preemption_disabled+0x48/0x280 [ 355.955303] irq_exit+0x17f/0x1c0 [ 355.958760] smp_apic_timer_interrupt+0x1cb/0x760 [ 355.963603] ? smp_reschedule_interrupt+0x109/0x650 [ 355.968618] ? smp_call_function_single_interrupt+0x650/0x650 [ 355.974514] ? interrupt_entry+0xb5/0xc0 [ 355.978587] ? trace_hardirqs_off_caller+0xbb/0x310 [ 355.983604] ? trace_hardirqs_off_caller+0xbb/0x310 [ 355.988622] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 355.993468] ? trace_hardirqs_on_caller+0x310/0x310 [ 355.998513] ? trace_hardirqs_on_caller+0x310/0x310 [ 356.003551] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 356.008403] apic_timer_interrupt+0xf/0x20 [ 356.012628] [ 356.014865] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 356.019799] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7 [ 356.038701] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 356.046411] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 356.053691] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286 [ 356.060953] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000 [ 356.068222] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 356.075488] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020 [ 356.082795] skb_clone+0x1bb/0x500 [ 356.086342] ? finish_task_switch+0x2f4/0x910 [ 356.090840] ? skb_split+0x11e0/0x11e0 [ 356.094745] ? preempt_notifier_register+0x200/0x200 [ 356.099847] ? __switch_to_asm+0x34/0x70 [ 356.103914] ? __switch_to_asm+0x34/0x70 [ 356.107974] ? __switch_to_asm+0x40/0x70 [ 356.112042] ? __switch_to_asm+0x34/0x70 [ 356.116102] ? __switch_to_asm+0x40/0x70 [ 356.120162] ? __switch_to_asm+0x34/0x70 [ 356.124235] ? __switch_to_asm+0x40/0x70 [ 356.128292] ? __switch_to_asm+0x34/0x70 [ 356.132355] ? __switch_to_asm+0x34/0x70 [ 356.136413] ? __switch_to_asm+0x40/0x70 [ 356.140484] ? __switch_to_asm+0x34/0x70 [ 356.144556] bpf_clone_redirect+0xb9/0x490 [ 356.148791] ? __schedule+0x8d7/0x21d0 [ 356.152685] bpf_prog_bebbfe2050753572+0x1d8/0x1000 [ 356.157702] ? __sched_text_start+0x8/0x8 [ 356.161852] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 356.166439] ? retint_kernel+0x2d/0x2d [ 356.170328] ? trace_hardirqs_on_caller+0xc0/0x310 [ 356.175265] ? find_held_lock+0x36/0x1c0 [ 356.179339] ? lock_acquire+0x1ed/0x520 [ 356.183315] ? bpf_test_run+0x3cb/0x780 [ 356.187292] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.192830] ? check_preemption_disabled+0x48/0x280 [ 356.197851] ? kasan_check_read+0x11/0x20 [ 356.202002] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 356.207291] ? rcu_softirq_qs+0x20/0x20 [ 356.211266] ? preempt_schedule+0x4d/0x60 [ 356.215416] ? ___preempt_schedule+0x16/0x18 [ 356.219836] ? bpf_test_run+0x25d/0x780 [ 356.223841] ? netlink_diag_dump+0x2a0/0x2a0 [ 356.228267] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 356.233802] ? bpf_test_init.isra.10+0x70/0x100 [ 356.238479] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 356.243244] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 356.248088] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 356.253626] ? fput+0x130/0x1a0 [ 356.256905] ? __bpf_prog_get+0x9b/0x290 [ 356.260969] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 356.265830] ? bpf_prog_test_run+0x130/0x1a0 [ 356.270240] ? __x64_sys_bpf+0x3d8/0x520 [ 356.274305] ? bpf_prog_get+0x20/0x20 [ 356.278128] ? do_syscall_64+0x1b9/0x820 [ 356.282190] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 356.287564] ? syscall_return_slowpath+0x5e0/0x5e0 [ 356.292493] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 356.297338] ? trace_hardirqs_on_caller+0x310/0x310 [ 356.302358] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 356.307389] ? prepare_exit_to_usermode+0x291/0x3b0 [ 356.312416] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 356.317265] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 356.322648] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145 [ 356.322654] warn_alloc_show_mem: 1 callbacks suppressed [ 356.322661] Mem-Info: [ 356.329673] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 356.335050] active_anon:51179 inactive_anon:236 isolated_anon:0 [ 356.335050] active_file:17 inactive_file:9 isolated_file:0 [ 356.335050] unevictable:0 dirty:0 writeback:0 unstable:0 [ 356.335050] slab_reclaimable:9362 slab_unreclaimable:1467319 [ 356.335050] mapped:16386 shmem:283 pagetables:457 bounce:0 [ 356.335050] free:13694 free_pcp:258 free_cma:0 [ 356.337429] Call Trace: [ 356.346818] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 356.379573] [ 356.382142] 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 [ 356.409631] dump_stack+0x244/0x39d [ 356.411754] lowmem_reserve[]: 0 2818 6321 6321 [ 356.437860] ? dump_stack_print_info.cold.1+0x20/0x20 [ 356.441464] Node 0 DMA32 free:24972kB 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:0kB local_pcp:0kB free_cma:0kB [ 356.446057] warn_alloc.cold.116+0xb7/0x1bd [ 356.451221] lowmem_reserve[]: 0 0 3503 3503 [ 356.478377] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 356.482677] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB [ 356.486990] ? lock_downgrade+0x900/0x900 [ 356.491808] lowmem_reserve[]: 0 0 0 0 [ 356.520783] ? trace_hardirqs_off+0xb8/0x310 [ 356.524901] 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 [ 356.528696] ? trace_hardirqs_off+0xb8/0x310 [ 356.533081] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB [ 356.546604] __alloc_pages_slowpath+0x26e8/0x2e10 [ 356.550987] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB [ 356.566173] ? warn_alloc+0x120/0x120 [ 356.570979] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 356.585188] ? print_usage_bug+0xc0/0xc0 [ 356.588971] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 356.597793] ? warn_alloc+0x120/0x120 [ 356.601831] 309 total pagecache pages [ 356.610414] ? warn_alloc+0x120/0x120 [ 356.614334] 0 pages in swap cache [ 356.618128] ? print_usage_bug+0xc0/0xc0 [ 356.621910] Swap cache stats: add 0, delete 0, find 0/0 [ 356.625351] ? kvm_clock_read+0x18/0x30 [ 356.629389] Free swap = 0kB [ 356.634747] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 356.638693] Total swap = 0kB [ 356.641703] ? print_usage_bug+0xc0/0xc0 [ 356.646695] 1965979 pages RAM [ 356.649707] ? __lock_acquire+0x62f/0x4c20 [ 356.653741] 0 pages HighMem/MovableOnly [ 356.656844] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 356.661046] 342853 pages reserved [ 356.661054] 0 pages cma reserved [ 356.665029] ? should_fail+0x22d/0xd01 [ 356.670630] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 356.673980] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 356.673999] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 356.674028] ? __lock_acquire+0x62f/0x4c20 [ 356.677428] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 356.681258] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 356.687726] syz-executor2 cpuset=syz2 mems_allowed=0 [ 356.692996] ? __lock_acquire+0x62f/0x4c20 [ 356.727184] ? should_fail+0x22d/0xd01 [ 356.731074] ? rcu_irq_exit+0x1a2/0x390 [ 356.735072] ? mark_held_locks+0x130/0x130 [ 356.739319] ? mark_held_locks+0x130/0x130 [ 356.743708] ? mark_held_locks+0xc7/0x130 [ 356.747854] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 356.752869] ? zap_class+0x640/0x640 [ 356.756582] ? print_usage_bug+0xc0/0xc0 [ 356.760645] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.766185] ? check_preemption_disabled+0x48/0x280 [ 356.771212] ? __lock_is_held+0xb5/0x140 [ 356.775282] __alloc_pages_nodemask+0xa80/0xde0 [ 356.779952] ? zap_class+0x640/0x640 [ 356.783670] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 356.788697] ? find_held_lock+0x36/0x1c0 [ 356.792773] ? ____cache_alloc_node+0x1c7/0x1e0 [ 356.797442] ? lock_downgrade+0x900/0x900 [ 356.801597] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.807139] cache_grow_begin+0xa5/0x8c0 [ 356.811201] ? do_raw_spin_unlock+0xa7/0x330 [ 356.815622] fallback_alloc+0x204/0x2e0 [ 356.819602] ____cache_alloc_node+0x1c7/0x1e0 [ 356.824107] kmem_cache_alloc_node+0xe3/0x730 [ 356.828635] ? ipv6_get_ifaddr+0x42e/0x620 [ 356.832885] __alloc_skb+0x119/0x770 [ 356.836602] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 356.841880] ? netdev_alloc_frag+0x1f0/0x1f0 [ 356.846290] ? lock_downgrade+0x900/0x900 [ 356.850450] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.855989] ? refcount_sub_and_test_checked+0x203/0x310 [ 356.861449] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 356.866917] ? addrconf_rs_timer+0x690/0x690 [ 356.871373] ndisc_alloc_skb+0x144/0x340 [ 356.875442] ndisc_send_rs+0x331/0x6e0 [ 356.879332] addrconf_rs_timer+0x314/0x690 [ 356.883586] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 356.887835] call_timer_fn+0x272/0x920 [ 356.891725] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 356.895964] ? process_timeout+0x40/0x40 [ 356.900063] ? mark_held_locks+0xc7/0x130 [ 356.904238] ? _raw_spin_unlock_irq+0x27/0x80 [ 356.908729] ? _raw_spin_unlock_irq+0x27/0x80 [ 356.913223] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 356.917462] ? lockdep_hardirqs_on+0x296/0x5b0 [ 356.922060] ? trace_hardirqs_on+0xbd/0x310 [ 356.926404] ? kasan_check_read+0x11/0x20 [ 356.930551] ? __run_timers+0x7da/0xc70 [ 356.934530] ? trace_hardirqs_off_caller+0x310/0x310 [ 356.939638] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 356.943880] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 356.948121] __run_timers+0x7e5/0xc70 [ 356.951934] ? timer_fixup_init+0x70/0x70 [ 356.956100] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 356.961117] ? zap_class+0x640/0x640 [ 356.964838] ? print_usage_bug+0xc0/0xc0 [ 356.968905] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 356.974102] ? find_held_lock+0x36/0x1c0 [ 356.978168] ? zap_class+0x640/0x640 [ 356.981886] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.987423] ? check_preemption_disabled+0x48/0x280 [ 356.992453] ? __lock_is_held+0xb5/0x140 [ 356.996519] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.002065] ? check_preemption_disabled+0x48/0x280 [ 357.007088] run_timer_softirq+0x52/0xb0 [ 357.011149] ? rcu_read_lock_sched_held+0x14f/0x180 [ 357.016166] __do_softirq+0x308/0xb7e [ 357.019991] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 357.024492] ? lock_downgrade+0x900/0x900 [ 357.028649] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 357.033765] ? pvclock_read_flags+0x160/0x160 [ 357.038262] ? lapic_next_event+0x5a/0x90 [ 357.042411] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.047955] ? kvm_clock_read+0x18/0x30 [ 357.051930] ? kvm_sched_clock_read+0x9/0x20 [ 357.056341] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.061898] ? check_preemption_disabled+0x48/0x280 [ 357.066921] irq_exit+0x17f/0x1c0 [ 357.070374] smp_apic_timer_interrupt+0x1cb/0x760 [ 357.075216] ? smp_reschedule_interrupt+0x109/0x650 [ 357.080235] ? smp_call_function_single_interrupt+0x650/0x650 [ 357.086120] ? interrupt_entry+0xb5/0xc0 [ 357.090216] ? trace_hardirqs_off_caller+0xbb/0x310 [ 357.095260] ? trace_hardirqs_off_caller+0xbb/0x310 [ 357.100276] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 357.105125] ? trace_hardirqs_on_caller+0x310/0x310 [ 357.110138] ? trace_hardirqs_on_caller+0x310/0x310 [ 357.115168] ? task_prio+0x50/0x50 [ 357.118712] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.124254] ? check_preemption_disabled+0x48/0x280 [ 357.129273] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 357.134126] apic_timer_interrupt+0xf/0x20 [ 357.138367] [ 357.140608] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 357.145801] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 357.164698] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 357.172418] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e [ 357.179713] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc [ 357.186977] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 357.194244] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000 [ 357.201511] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 357.208808] retint_kernel+0x1b/0x2d [ 357.212528] RIP: 0010:dump_stack+0x358/0x39d [ 357.216933] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 357.235835] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 357.243543] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e [ 357.250814] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 357.258085] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 357.265354] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45 [ 357.272619] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 357.279924] ? dump_stack+0x34f/0x39d [ 357.283744] ? dump_stack_print_info.cold.1+0x20/0x20 [ 357.288954] ? mark_held_locks+0x130/0x130 [ 357.293192] ? mark_held_locks+0x130/0x130 [ 357.297434] dump_header+0x27b/0xf72 [ 357.301164] ? pagefault_out_of_memory+0x197/0x197 [ 357.306119] ? __lock_acquire+0x62f/0x4c20 [ 357.310367] ? percpu_ref_get_many+0x240/0x240 [ 357.314951] ? print_usage_bug+0xc0/0xc0 [ 357.319026] ? zap_class+0x640/0x640 [ 357.322746] ? print_usage_bug+0xc0/0xc0 [ 357.326854] ? print_usage_bug+0xc0/0xc0 [ 357.330932] ? zap_class+0x640/0x640 [ 357.334648] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.340205] ? find_held_lock+0x36/0x1c0 [ 357.344280] ? mark_held_locks+0xc7/0x130 [ 357.348430] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 357.353529] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 357.358632] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 357.363229] ? trace_hardirqs_on+0xbd/0x310 [ 357.367551] ? kasan_check_read+0x11/0x20 [ 357.371700] ? ___ratelimit+0x3b4/0x672 [ 357.375676] ? trace_hardirqs_off_caller+0x310/0x310 [ 357.380808] ? trace_hardirqs_on+0x310/0x310 [ 357.385244] ? lock_downgrade+0x900/0x900 [ 357.389397] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 357.394500] ? ___ratelimit+0x3b9/0x672 [ 357.398479] ? idr_get_free+0xf70/0xf70 [ 357.402466] ? find_held_lock+0x36/0x1c0 [ 357.406550] oom_kill_process.cold.27+0x10/0x903 [ 357.411308] ? zap_class+0x640/0x640 [ 357.415032] ? check_preemption_disabled+0x48/0x280 [ 357.420064] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 357.424999] ? kasan_check_read+0x11/0x20 [ 357.429160] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 357.434439] ? oom_evaluate_task+0x540/0x540 [ 357.438849] ? find_held_lock+0x36/0x1c0 [ 357.442918] ? out_of_memory+0x974/0x1430 [ 357.447070] ? lock_downgrade+0x900/0x900 [ 357.451220] ? check_preemption_disabled+0x48/0x280 [ 357.456244] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 357.461171] ? kasan_check_read+0x11/0x20 [ 357.465320] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 357.470596] ? rcu_softirq_qs+0x20/0x20 [ 357.474590] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 357.480140] ? oom_evaluate_task+0x302/0x540 [ 357.484584] out_of_memory+0xa84/0x1430 [ 357.488593] ? oom_killer_disable+0x3a0/0x3a0 [ 357.493107] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 357.498055] ? __ww_mutex_check_waiters+0x160/0x160 [ 357.503098] __alloc_pages_slowpath+0x2354/0x2e10 [ 357.508045] ? warn_alloc+0x120/0x120 [ 357.511864] ? mark_held_locks+0x130/0x130 [ 357.516104] ? find_get_entry+0xaae/0x1120 [ 357.520349] ? filemap_map_pages+0x1a20/0x1a20 [ 357.524936] ? zap_class+0x640/0x640 [ 357.528660] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.534196] ? check_preemption_disabled+0x48/0x280 [ 357.539218] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 357.544767] ? should_fail+0x22d/0xd01 [ 357.548659] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 357.553764] ? zap_class+0x640/0x640 [ 357.557509] ? __lock_is_held+0xb5/0x140 [ 357.561579] ? mark_held_locks+0x130/0x130 [ 357.565819] ? lock_release+0xa00/0xa00 [ 357.569806] ? perf_trace_sched_process_exec+0x860/0x860 [ 357.575270] ? xa_load+0x2ba/0x460 [ 357.578826] ? lock_downgrade+0x900/0x900 [ 357.582978] ? __might_sleep+0x95/0x190 [ 357.586956] __alloc_pages_nodemask+0xa80/0xde0 [ 357.591633] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 357.596655] ? __page_cache_alloc+0x191/0x5c0 [ 357.601148] ? xa_load+0x2e1/0x460 [ 357.604694] ? xa_clear_mark+0x40/0x40 [ 357.608583] ? zap_class+0x640/0x640 [ 357.612309] ? zap_class+0x640/0x640 [ 357.616029] ? zap_class+0x640/0x640 [ 357.619750] ? __do_page_cache_readahead+0x663/0x810 [ 357.624860] ? find_held_lock+0x36/0x1c0 [ 357.628924] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 357.634469] alloc_pages_current+0x173/0x350 [ 357.638882] __page_cache_alloc+0x38c/0x5c0 [ 357.643202] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 357.648130] ? kasan_check_read+0x11/0x20 [ 357.652279] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 357.657561] ? generic_perform_write+0x6a0/0x6a0 [ 357.662335] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 357.667873] ? check_preemption_disabled+0x48/0x280 [ 357.672901] filemap_fault+0x1595/0x25f0 [ 357.676994] ? __lock_page_or_retry+0xa00/0xa00 [ 357.681686] ? mark_held_locks+0x130/0x130 [ 357.685943] ? filemap_map_pages+0xd6b/0x1a20 [ 357.690455] ? lock_downgrade+0x900/0x900 [ 357.694630] ? check_preemption_disabled+0x48/0x280 [ 357.699666] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 357.704597] ? kasan_check_read+0x11/0x20 [ 357.708748] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 357.714035] ? rcu_softirq_qs+0x20/0x20 [ 357.718044] ? filemap_map_pages+0xd92/0x1a20 [ 357.722552] ? find_get_entries_tag+0x1400/0x1400 [ 357.727410] ? ep_scan_ready_list+0xbc7/0x1050 [ 357.732031] ? trace_hardirqs_off_caller+0x310/0x310 [ 357.737184] ? lock_acquire+0x1ed/0x520 [ 357.741156] ? ext4_filemap_fault+0x7a/0xad [ 357.745489] ? lock_release+0xa00/0xa00 [ 357.749463] ? perf_trace_sched_process_exec+0x860/0x860 [ 357.754916] ? print_usage_bug+0xc0/0xc0 [ 357.758982] ? print_usage_bug+0xc0/0xc0 [ 357.763071] ? down_read+0x8d/0x120 [ 357.766698] ? ext4_filemap_fault+0x7a/0xad [ 357.771030] ? __down_interruptible+0x700/0x700 [ 357.775717] ext4_filemap_fault+0x82/0xad [ 357.779867] __do_fault+0x100/0x6b0 [ 357.783498] ? pmd_devmap_trans_unstable+0x220/0x220 [ 357.788621] ? mark_held_locks+0x130/0x130 [ 357.792872] ? mark_held_locks+0x130/0x130 [ 357.797105] ? kasan_check_read+0x11/0x20 [ 357.801257] ? ep_poll+0xffa/0x13d0 [ 357.804886] ? trace_hardirqs_off_caller+0x310/0x310 [ 357.809995] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 357.815542] __handle_mm_fault+0x3ea0/0x5be0 [ 357.819952] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.825496] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 357.830377] ? do_epoll_create+0x590/0x590 [ 357.834609] ? kasan_check_read+0x11/0x20 [ 357.838755] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 357.844055] ? rcu_softirq_qs+0x20/0x20 [ 357.848075] ? zap_class+0x640/0x640 [ 357.851786] ? zap_class+0x640/0x640 [ 357.855519] ? find_held_lock+0x36/0x1c0 [ 357.859620] ? handle_mm_fault+0x42a/0xc70 [ 357.863857] ? lock_downgrade+0x900/0x900 [ 357.868002] ? check_preemption_disabled+0x48/0x280 [ 357.873058] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 357.877988] ? kasan_check_read+0x11/0x20 [ 357.882139] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 357.887431] ? rcu_softirq_qs+0x20/0x20 [ 357.891403] ? trace_hardirqs_off_caller+0x310/0x310 [ 357.896509] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 357.902060] ? check_preemption_disabled+0x48/0x280 [ 357.907089] handle_mm_fault+0x54f/0xc70 [ 357.911158] ? __handle_mm_fault+0x5be0/0x5be0 [ 357.915763] ? find_vma+0x34/0x190 [ 357.919309] __do_page_fault+0x5e8/0xe60 [ 357.923372] ? trace_hardirqs_off+0xb8/0x310 [ 357.927797] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 357.933371] do_page_fault+0xf2/0x7e0 [ 357.937201] ? vmalloc_sync_all+0x30/0x30 [ 357.941368] ? error_entry+0x70/0xd0 [ 357.945101] ? trace_hardirqs_off_caller+0xbb/0x310 [ 357.950129] ? trace_hardirqs_on_caller+0xc0/0x310 [ 357.955075] ? syscall_return_slowpath+0x5e0/0x5e0 [ 357.960002] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 357.964875] ? trace_hardirqs_on_caller+0x310/0x310 [ 357.969889] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 357.975346] ? prepare_exit_to_usermode+0x291/0x3b0 [ 357.980369] ? page_fault+0x8/0x30 [ 357.983917] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 357.988761] ? page_fault+0x8/0x30 [ 357.992305] page_fault+0x1e/0x30 [ 357.995757] RIP: 0033:0x45df89 [ 357.998972] Code: Bad RIP value. [ 358.002331] RSP: 002b:000000c42017b850 EFLAGS: 00010246 [ 358.007690] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89 [ 358.014955] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004 [ 358.022225] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500 [ 358.029508] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8 [ 358.036772] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff [ 358.044075] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145 [ 358.044166] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 358.051523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 358.051532] Call Trace: [ 358.058111] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 358.067359] [ 358.069932] syz-fuzzer cpuset=/ mems_allowed=0 [ 358.080149] dump_stack+0x244/0x39d [ 358.090491] ? dump_stack_print_info.cold.1+0x20/0x20 [ 358.095694] warn_alloc.cold.116+0xb7/0x1bd [ 358.100037] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 358.104883] ? lock_downgrade+0x900/0x900 [ 358.109051] ? trace_hardirqs_off+0xb8/0x310 [ 358.113470] ? trace_hardirqs_off+0xb8/0x310 [ 358.117888] __alloc_pages_slowpath+0x26e8/0x2e10 [ 358.122759] ? warn_alloc+0x120/0x120 [ 358.126571] ? print_usage_bug+0xc0/0xc0 [ 358.130638] ? warn_alloc+0x120/0x120 [ 358.134442] ? warn_alloc+0x120/0x120 [ 358.138244] ? print_usage_bug+0xc0/0xc0 [ 358.142312] ? print_usage_bug+0xc0/0xc0 [ 358.146377] ? __lock_acquire+0x62f/0x4c20 [ 358.150620] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 358.156159] ? should_fail+0x22d/0xd01 [ 358.160054] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 358.165161] ? __lock_acquire+0x62f/0x4c20 [ 358.169400] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 358.174517] ? __lock_acquire+0x62f/0x4c20 [ 358.178756] ? should_fail+0x22d/0xd01 [ 358.182661] ? find_held_lock+0x36/0x1c0 [ 358.186751] ? mark_held_locks+0x130/0x130 [ 358.191005] ? mark_held_locks+0x130/0x130 [ 358.195249] ? zap_class+0x640/0x640 [ 358.198962] ? zap_class+0x640/0x640 [ 358.202678] ? print_usage_bug+0xc0/0xc0 [ 358.206739] ? do_raw_spin_unlock+0xa7/0x330 [ 358.211151] ? zap_class+0x640/0x640 [ 358.214865] ? print_usage_bug+0xc0/0xc0 [ 358.218925] ? wq_watchdog_touch+0x9c/0xfe [ 358.223165] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.228704] ? check_preemption_disabled+0x48/0x280 [ 358.233729] ? __lock_is_held+0xb5/0x140 [ 358.237801] __alloc_pages_nodemask+0xa80/0xde0 [ 358.242470] ? zap_class+0x640/0x640 [ 358.246190] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 358.251218] ? find_held_lock+0x36/0x1c0 [ 358.255294] ? ____cache_alloc_node+0x1c7/0x1e0 [ 358.259965] ? lock_downgrade+0x900/0x900 [ 358.264122] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.269662] cache_grow_begin+0xa5/0x8c0 [ 358.273732] ? do_raw_spin_unlock+0xa7/0x330 [ 358.278152] fallback_alloc+0x204/0x2e0 [ 358.282132] ____cache_alloc_node+0x1c7/0x1e0 [ 358.286635] kmem_cache_alloc_node+0xe3/0x730 [ 358.291130] ? ipv6_get_ifaddr+0x42e/0x620 [ 358.295375] __alloc_skb+0x119/0x770 [ 358.299085] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 358.304380] ? netdev_alloc_frag+0x1f0/0x1f0 [ 358.308788] ? lock_downgrade+0x900/0x900 [ 358.312949] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.318491] ? refcount_sub_and_test_checked+0x203/0x310 [ 358.323962] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 358.329416] ? addrconf_rs_timer+0x690/0x690 [ 358.333840] ndisc_alloc_skb+0x144/0x340 [ 358.337922] ndisc_send_rs+0x331/0x6e0 [ 358.341870] addrconf_rs_timer+0x314/0x690 [ 358.346131] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 358.350389] call_timer_fn+0x272/0x920 [ 358.354275] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 358.358514] ? process_timeout+0x40/0x40 [ 358.362607] ? __run_timers+0x7da/0xc70 [ 358.366598] ? _raw_spin_unlock_irq+0x27/0x80 [ 358.371102] ? _raw_spin_unlock_irq+0x27/0x80 [ 358.375601] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 358.379850] ? lockdep_hardirqs_on+0x296/0x5b0 [ 358.384437] ? trace_hardirqs_on+0xbd/0x310 [ 358.388774] ? kasan_check_read+0x11/0x20 [ 358.392918] ? __run_timers+0x7da/0xc70 [ 358.396904] ? trace_hardirqs_off_caller+0x310/0x310 [ 358.402004] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 358.406269] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 358.410506] __run_timers+0x7e5/0xc70 [ 358.414321] ? timer_fixup_init+0x70/0x70 [ 358.418470] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 358.423485] ? zap_class+0x640/0x640 [ 358.427204] ? enqueue_hrtimer+0x1a5/0x560 [ 358.431439] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 358.436640] ? find_held_lock+0x36/0x1c0 [ 358.440705] ? zap_class+0x640/0x640 [ 358.444427] ? pvclock_read_flags+0x160/0x160 [ 358.448938] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.454478] ? check_preemption_disabled+0x48/0x280 [ 358.459504] ? __lock_is_held+0xb5/0x140 [ 358.463573] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.469111] ? check_preemption_disabled+0x48/0x280 [ 358.474134] run_timer_softirq+0x52/0xb0 [ 358.478198] ? rcu_read_lock_sched_held+0x14f/0x180 [ 358.483217] __do_softirq+0x308/0xb7e [ 358.487029] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 358.491528] ? lock_downgrade+0x900/0x900 [ 358.495689] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 358.500800] ? pvclock_read_flags+0x160/0x160 [ 358.505303] ? lapic_next_event+0x5a/0x90 [ 358.509458] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.515002] ? kvm_clock_read+0x18/0x30 [ 358.518982] ? kvm_sched_clock_read+0x9/0x20 [ 358.523397] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.528944] ? check_preemption_disabled+0x48/0x280 [ 358.534009] irq_exit+0x17f/0x1c0 [ 358.537474] smp_apic_timer_interrupt+0x1cb/0x760 [ 358.542318] ? smp_reschedule_interrupt+0x109/0x650 [ 358.547335] ? smp_call_function_single_interrupt+0x650/0x650 [ 358.553234] ? interrupt_entry+0xb5/0xc0 [ 358.557316] ? trace_hardirqs_off_caller+0xbb/0x310 [ 358.562331] ? trace_hardirqs_off_caller+0xbb/0x310 [ 358.567363] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 358.572232] ? trace_hardirqs_on_caller+0x310/0x310 [ 358.577282] ? trace_hardirqs_on_caller+0x310/0x310 [ 358.582311] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 358.587161] apic_timer_interrupt+0xf/0x20 [ 358.591400] [ 358.593639] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 358.598596] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7 [ 358.617500] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 358.625213] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 358.632531] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286 [ 358.639815] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000 [ 358.647080] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 358.654376] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020 [ 358.661684] skb_clone+0x1bb/0x500 [ 358.665230] ? finish_task_switch+0x2f4/0x910 [ 358.669741] ? skb_split+0x11e0/0x11e0 [ 358.673634] ? preempt_notifier_register+0x200/0x200 [ 358.678740] ? __switch_to_asm+0x34/0x70 [ 358.682799] ? __switch_to_asm+0x34/0x70 [ 358.686859] ? __switch_to_asm+0x40/0x70 [ 358.690915] ? __switch_to_asm+0x34/0x70 [ 358.694984] ? __switch_to_asm+0x40/0x70 [ 358.699050] ? __switch_to_asm+0x34/0x70 [ 358.703125] ? __switch_to_asm+0x40/0x70 [ 358.707213] ? __switch_to_asm+0x34/0x70 [ 358.711270] ? __switch_to_asm+0x34/0x70 [ 358.715328] ? __switch_to_asm+0x40/0x70 [ 358.719383] ? __switch_to_asm+0x34/0x70 [ 358.723444] bpf_clone_redirect+0xb9/0x490 [ 358.727682] ? __schedule+0x8d7/0x21d0 [ 358.731580] bpf_prog_bebbfe2050753572+0x1d8/0x1000 [ 358.736600] ? __sched_text_start+0x8/0x8 [ 358.740766] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 358.745827] ? retint_kernel+0x2d/0x2d [ 358.749718] ? trace_hardirqs_on_caller+0xc0/0x310 [ 358.754655] ? find_held_lock+0x36/0x1c0 [ 358.758745] ? lock_acquire+0x1ed/0x520 [ 358.762732] ? bpf_test_run+0x3cb/0x780 [ 358.766706] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.772248] ? check_preemption_disabled+0x48/0x280 [ 358.777271] ? kasan_check_read+0x11/0x20 [ 358.781419] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 358.786694] ? rcu_softirq_qs+0x20/0x20 [ 358.790670] ? preempt_schedule+0x4d/0x60 [ 358.794817] ? ___preempt_schedule+0x16/0x18 [ 358.799237] ? bpf_test_run+0x25d/0x780 [ 358.803224] ? netlink_diag_dump+0x2a0/0x2a0 [ 358.807637] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 358.813176] ? bpf_test_init.isra.10+0x70/0x100 [ 358.817857] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 358.822625] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 358.827468] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 358.833007] ? fput+0x130/0x1a0 [ 358.836298] ? __bpf_prog_get+0x9b/0x290 [ 358.840364] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 358.845209] ? bpf_prog_test_run+0x130/0x1a0 [ 358.849621] ? __x64_sys_bpf+0x3d8/0x520 [ 358.853698] ? bpf_prog_get+0x20/0x20 [ 358.857517] ? do_syscall_64+0x1b9/0x820 [ 358.861579] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 358.866944] ? syscall_return_slowpath+0x5e0/0x5e0 [ 358.871871] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 358.876735] ? trace_hardirqs_on_caller+0x310/0x310 [ 358.881757] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 358.886774] ? prepare_exit_to_usermode+0x291/0x3b0 [ 358.891797] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 358.896646] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 358.902051] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145 [ 358.902056] warn_alloc_show_mem: 1 callbacks suppressed [ 358.902063] Mem-Info: [ 358.909075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 358.914440] active_anon:51179 inactive_anon:236 isolated_anon:0 [ 358.914440] active_file:17 inactive_file:9 isolated_file:0 [ 358.914440] unevictable:0 dirty:0 writeback:0 unstable:0 [ 358.914440] slab_reclaimable:9362 slab_unreclaimable:1467319 [ 358.914440] mapped:16386 shmem:283 pagetables:457 bounce:0 [ 358.914440] free:13694 free_pcp:258 free_cma:0 [ 358.916809] Call Trace: [ 358.926196] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 358.958961] [ 358.961527] 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 [ 358.989060] dump_stack+0x244/0x39d [ 358.991182] lowmem_reserve[]: 0 2818 6321 6321 [ 359.017287] ? dump_stack_print_info.cold.1+0x20/0x20 [ 359.020885] Node 0 DMA32 free:24972kB 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:0kB local_pcp:0kB free_cma:0kB [ 359.025471] warn_alloc.cold.116+0xb7/0x1bd [ 359.030629] lowmem_reserve[]: 0 0 3503 3503 [ 359.057771] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 359.062066] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB [ 359.066381] ? lock_downgrade+0x900/0x900 [ 359.071219] lowmem_reserve[]: 0 0 0 0 [ 359.100188] ? trace_hardirqs_off+0xb8/0x310 [ 359.104305] 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 [ 359.108111] ? trace_hardirqs_off+0xb8/0x310 [ 359.112515] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB [ 359.126049] __alloc_pages_slowpath+0x26e8/0x2e10 [ 359.130458] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB [ 359.145658] ? warn_alloc+0x120/0x120 [ 359.150462] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 359.164663] ? print_usage_bug+0xc0/0xc0 [ 359.168457] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 359.177291] ? warn_alloc+0x120/0x120 [ 359.181345] 309 total pagecache pages [ 359.189913] ? warn_alloc+0x120/0x120 [ 359.193694] 0 pages in swap cache [ 359.197517] ? print_usage_bug+0xc0/0xc0 [ 359.201301] Swap cache stats: add 0, delete 0, find 0/0 [ 359.204742] ? kvm_clock_read+0x18/0x30 [ 359.208780] Free swap = 0kB [ 359.214140] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 359.218089] Total swap = 0kB [ 359.221122] ? print_usage_bug+0xc0/0xc0 [ 359.226116] 1965979 pages RAM [ 359.229142] ? __lock_acquire+0x62f/0x4c20 [ 359.233176] 0 pages HighMem/MovableOnly [ 359.236276] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 359.240490] 342853 pages reserved [ 359.244456] ? should_fail+0x22d/0xd01 [ 359.249966] 0 pages cma reserved [ 359.253408] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 359.257331] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 359.260628] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 359.265961] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 359.272361] ? __lock_acquire+0x62f/0x4c20 [ 359.277453] syz-executor2 cpuset=syz2 mems_allowed=0 [ 359.287942] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 359.302339] ? __lock_acquire+0x62f/0x4c20 [ 359.306572] ? should_fail+0x22d/0xd01 [ 359.310454] ? rcu_irq_exit+0x1a2/0x390 [ 359.314437] ? mark_held_locks+0x130/0x130 [ 359.318677] ? mark_held_locks+0x130/0x130 [ 359.322931] ? mark_held_locks+0xc7/0x130 [ 359.327096] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 359.332112] ? zap_class+0x640/0x640 [ 359.335827] ? print_usage_bug+0xc0/0xc0 [ 359.339891] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.345427] ? check_preemption_disabled+0x48/0x280 [ 359.350455] ? __lock_is_held+0xb5/0x140 [ 359.354521] __alloc_pages_nodemask+0xa80/0xde0 [ 359.359188] ? zap_class+0x640/0x640 [ 359.362908] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 359.367950] ? find_held_lock+0x36/0x1c0 [ 359.372049] ? ____cache_alloc_node+0x1c7/0x1e0 [ 359.376720] ? lock_downgrade+0x900/0x900 [ 359.380875] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.386424] cache_grow_begin+0xa5/0x8c0 [ 359.390489] ? do_raw_spin_unlock+0xa7/0x330 [ 359.394913] fallback_alloc+0x204/0x2e0 [ 359.398911] ____cache_alloc_node+0x1c7/0x1e0 [ 359.403415] kmem_cache_alloc_node+0xe3/0x730 [ 359.407944] ? ipv6_get_ifaddr+0x42e/0x620 [ 359.412187] __alloc_skb+0x119/0x770 [ 359.415900] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 359.421180] ? netdev_alloc_frag+0x1f0/0x1f0 [ 359.425588] ? lock_downgrade+0x900/0x900 [ 359.429771] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.435325] ? refcount_sub_and_test_checked+0x203/0x310 [ 359.440778] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 359.446226] ? addrconf_rs_timer+0x690/0x690 [ 359.450645] ndisc_alloc_skb+0x144/0x340 [ 359.454708] ndisc_send_rs+0x331/0x6e0 [ 359.458599] addrconf_rs_timer+0x314/0x690 [ 359.462844] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 359.467105] call_timer_fn+0x272/0x920 [ 359.470997] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 359.475243] ? process_timeout+0x40/0x40 [ 359.479315] ? mark_held_locks+0xc7/0x130 [ 359.483463] ? _raw_spin_unlock_irq+0x27/0x80 [ 359.487970] ? _raw_spin_unlock_irq+0x27/0x80 [ 359.492487] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 359.496722] ? lockdep_hardirqs_on+0x296/0x5b0 [ 359.501309] ? trace_hardirqs_on+0xbd/0x310 [ 359.505633] ? kasan_check_read+0x11/0x20 [ 359.509780] ? __run_timers+0x7da/0xc70 [ 359.513753] ? trace_hardirqs_off_caller+0x310/0x310 [ 359.518861] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 359.523106] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 359.527340] __run_timers+0x7e5/0xc70 [ 359.531150] ? timer_fixup_init+0x70/0x70 [ 359.535299] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 359.540314] ? zap_class+0x640/0x640 [ 359.544038] ? print_usage_bug+0xc0/0xc0 [ 359.548104] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 359.553300] ? find_held_lock+0x36/0x1c0 [ 359.557370] ? zap_class+0x640/0x640 [ 359.561091] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.566629] ? check_preemption_disabled+0x48/0x280 [ 359.571653] ? __lock_is_held+0xb5/0x140 [ 359.575744] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.581297] ? check_preemption_disabled+0x48/0x280 [ 359.586322] run_timer_softirq+0x52/0xb0 [ 359.590385] ? rcu_read_lock_sched_held+0x14f/0x180 [ 359.595404] __do_softirq+0x308/0xb7e [ 359.599207] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 359.603788] ? lock_downgrade+0x900/0x900 [ 359.607944] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 359.613070] ? pvclock_read_flags+0x160/0x160 [ 359.617567] ? lapic_next_event+0x5a/0x90 [ 359.621751] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.627292] ? kvm_clock_read+0x18/0x30 [ 359.631297] ? kvm_sched_clock_read+0x9/0x20 [ 359.635713] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.641252] ? check_preemption_disabled+0x48/0x280 [ 359.646279] irq_exit+0x17f/0x1c0 [ 359.649731] smp_apic_timer_interrupt+0x1cb/0x760 [ 359.654574] ? smp_reschedule_interrupt+0x109/0x650 [ 359.659591] ? smp_call_function_single_interrupt+0x650/0x650 [ 359.665489] ? interrupt_entry+0xb5/0xc0 [ 359.669551] ? trace_hardirqs_off_caller+0xbb/0x310 [ 359.674567] ? trace_hardirqs_off_caller+0xbb/0x310 [ 359.679599] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 359.684442] ? trace_hardirqs_on_caller+0x310/0x310 [ 359.689469] ? trace_hardirqs_on_caller+0x310/0x310 [ 359.694483] ? task_prio+0x50/0x50 [ 359.698030] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.703578] ? check_preemption_disabled+0x48/0x280 [ 359.708598] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 359.713451] apic_timer_interrupt+0xf/0x20 [ 359.717676] [ 359.719914] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 359.725102] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 359.744003] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 359.751723] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e [ 359.759029] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc [ 359.766319] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 359.773600] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000 [ 359.780867] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 359.788167] retint_kernel+0x1b/0x2d [ 359.791878] RIP: 0010:dump_stack+0x358/0x39d [ 359.796296] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 359.815210] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 359.822917] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e [ 359.830184] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 359.837454] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 359.844720] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45 [ 359.852001] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 359.859314] ? dump_stack+0x34f/0x39d [ 359.863145] ? dump_stack_print_info.cold.1+0x20/0x20 [ 359.868338] ? mark_held_locks+0x130/0x130 [ 359.872574] ? mark_held_locks+0x130/0x130 [ 359.876814] dump_header+0x27b/0xf72 [ 359.880537] ? pagefault_out_of_memory+0x197/0x197 [ 359.885475] ? __lock_acquire+0x62f/0x4c20 [ 359.889714] ? percpu_ref_get_many+0x240/0x240 [ 359.894328] ? print_usage_bug+0xc0/0xc0 [ 359.898394] ? zap_class+0x640/0x640 [ 359.902110] ? print_usage_bug+0xc0/0xc0 [ 359.906170] ? print_usage_bug+0xc0/0xc0 [ 359.910233] ? zap_class+0x640/0x640 [ 359.913978] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.919524] ? find_held_lock+0x36/0x1c0 [ 359.923594] ? mark_held_locks+0xc7/0x130 [ 359.927760] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 359.932861] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 359.937962] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 359.942548] ? trace_hardirqs_on+0xbd/0x310 [ 359.946874] ? kasan_check_read+0x11/0x20 [ 359.951044] ? ___ratelimit+0x3b4/0x672 [ 359.955044] ? trace_hardirqs_off_caller+0x310/0x310 [ 359.960163] ? trace_hardirqs_on+0x310/0x310 [ 359.964575] ? lock_downgrade+0x900/0x900 [ 359.968730] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 359.973836] ? ___ratelimit+0x3b9/0x672 [ 359.977815] ? idr_get_free+0xf70/0xf70 [ 359.981798] ? find_held_lock+0x36/0x1c0 [ 359.985893] oom_kill_process.cold.27+0x10/0x903 [ 359.990643] ? zap_class+0x640/0x640 [ 359.994356] ? check_preemption_disabled+0x48/0x280 [ 359.999375] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 360.004307] ? kasan_check_read+0x11/0x20 [ 360.008452] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 360.013727] ? oom_evaluate_task+0x540/0x540 [ 360.018141] ? find_held_lock+0x36/0x1c0 [ 360.022209] ? out_of_memory+0x974/0x1430 [ 360.026357] ? lock_downgrade+0x900/0x900 [ 360.030508] ? check_preemption_disabled+0x48/0x280 [ 360.035526] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 360.040457] ? kasan_check_read+0x11/0x20 [ 360.044608] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 360.049887] ? rcu_softirq_qs+0x20/0x20 [ 360.053865] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 360.059400] ? oom_evaluate_task+0x302/0x540 [ 360.063810] out_of_memory+0xa84/0x1430 [ 360.067798] ? oom_killer_disable+0x3a0/0x3a0 [ 360.072292] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 360.077229] ? __ww_mutex_check_waiters+0x160/0x160 [ 360.082261] __alloc_pages_slowpath+0x2354/0x2e10 [ 360.087137] ? warn_alloc+0x120/0x120 [ 360.090955] ? mark_held_locks+0x130/0x130 [ 360.095231] ? find_get_entry+0xaae/0x1120 [ 360.099490] ? filemap_map_pages+0x1a20/0x1a20 [ 360.104091] ? zap_class+0x640/0x640 [ 360.107833] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.113370] ? check_preemption_disabled+0x48/0x280 [ 360.118390] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 360.123926] ? should_fail+0x22d/0xd01 [ 360.127818] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 360.132923] ? zap_class+0x640/0x640 [ 360.136663] ? __lock_is_held+0xb5/0x140 [ 360.140761] ? mark_held_locks+0x130/0x130 [ 360.145014] ? lock_release+0xa00/0xa00 [ 360.149074] ? perf_trace_sched_process_exec+0x860/0x860 [ 360.154523] ? xa_load+0x2ba/0x460 [ 360.158082] ? lock_downgrade+0x900/0x900 [ 360.162239] ? __might_sleep+0x95/0x190 [ 360.166236] __alloc_pages_nodemask+0xa80/0xde0 [ 360.170913] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 360.175945] ? __page_cache_alloc+0x191/0x5c0 [ 360.180437] ? xa_load+0x2e1/0x460 [ 360.183982] ? xa_clear_mark+0x40/0x40 [ 360.187876] ? zap_class+0x640/0x640 [ 360.191614] ? zap_class+0x640/0x640 [ 360.195328] ? zap_class+0x640/0x640 [ 360.199053] ? __do_page_cache_readahead+0x663/0x810 [ 360.204160] ? find_held_lock+0x36/0x1c0 [ 360.208242] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 360.213801] alloc_pages_current+0x173/0x350 [ 360.218216] __page_cache_alloc+0x38c/0x5c0 [ 360.222539] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 360.227471] ? kasan_check_read+0x11/0x20 [ 360.231618] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 360.236894] ? generic_perform_write+0x6a0/0x6a0 [ 360.241668] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 360.247222] ? check_preemption_disabled+0x48/0x280 [ 360.252262] filemap_fault+0x1595/0x25f0 [ 360.256353] ? __lock_page_or_retry+0xa00/0xa00 [ 360.261090] ? mark_held_locks+0x130/0x130 [ 360.265334] ? filemap_map_pages+0xd6b/0x1a20 [ 360.269834] ? lock_downgrade+0x900/0x900 [ 360.273981] ? check_preemption_disabled+0x48/0x280 [ 360.279005] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 360.283973] ? kasan_check_read+0x11/0x20 [ 360.288116] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 360.293410] ? rcu_softirq_qs+0x20/0x20 [ 360.297411] ? filemap_map_pages+0xd92/0x1a20 [ 360.301924] ? find_get_entries_tag+0x1400/0x1400 [ 360.306769] ? ep_scan_ready_list+0xbc7/0x1050 [ 360.311352] ? trace_hardirqs_off_caller+0x310/0x310 [ 360.316474] ? lock_acquire+0x1ed/0x520 [ 360.320450] ? ext4_filemap_fault+0x7a/0xad [ 360.324800] ? lock_release+0xa00/0xa00 [ 360.328774] ? perf_trace_sched_process_exec+0x860/0x860 [ 360.334225] ? print_usage_bug+0xc0/0xc0 [ 360.338286] ? print_usage_bug+0xc0/0xc0 [ 360.342360] ? down_read+0x8d/0x120 [ 360.345983] ? ext4_filemap_fault+0x7a/0xad [ 360.350309] ? __down_interruptible+0x700/0x700 [ 360.354991] ext4_filemap_fault+0x82/0xad [ 360.359153] __do_fault+0x100/0x6b0 [ 360.362783] ? pmd_devmap_trans_unstable+0x220/0x220 [ 360.367892] ? mark_held_locks+0x130/0x130 [ 360.372132] ? mark_held_locks+0x130/0x130 [ 360.376364] ? kasan_check_read+0x11/0x20 [ 360.380516] ? ep_poll+0xffa/0x13d0 [ 360.384149] ? trace_hardirqs_off_caller+0x310/0x310 [ 360.389259] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 360.394802] __handle_mm_fault+0x3ea0/0x5be0 [ 360.399214] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.404787] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 360.409629] ? do_epoll_create+0x590/0x590 [ 360.413891] ? kasan_check_read+0x11/0x20 [ 360.418047] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 360.423333] ? rcu_softirq_qs+0x20/0x20 [ 360.427332] ? zap_class+0x640/0x640 [ 360.431061] ? zap_class+0x640/0x640 [ 360.434793] ? find_held_lock+0x36/0x1c0 [ 360.438862] ? handle_mm_fault+0x42a/0xc70 [ 360.443103] ? lock_downgrade+0x900/0x900 [ 360.447286] ? check_preemption_disabled+0x48/0x280 [ 360.452347] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 360.457274] ? kasan_check_read+0x11/0x20 [ 360.461423] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 360.466701] ? rcu_softirq_qs+0x20/0x20 [ 360.470678] ? trace_hardirqs_off_caller+0x310/0x310 [ 360.475780] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 360.481319] ? check_preemption_disabled+0x48/0x280 [ 360.486373] handle_mm_fault+0x54f/0xc70 [ 360.490440] ? __handle_mm_fault+0x5be0/0x5be0 [ 360.495034] ? find_vma+0x34/0x190 [ 360.498599] __do_page_fault+0x5e8/0xe60 [ 360.502662] ? trace_hardirqs_off+0xb8/0x310 [ 360.507071] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 360.512614] do_page_fault+0xf2/0x7e0 [ 360.516415] ? vmalloc_sync_all+0x30/0x30 [ 360.520565] ? error_entry+0x70/0xd0 [ 360.524293] ? trace_hardirqs_off_caller+0xbb/0x310 [ 360.529307] ? trace_hardirqs_on_caller+0xc0/0x310 [ 360.534247] ? syscall_return_slowpath+0x5e0/0x5e0 [ 360.539189] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 360.544047] ? trace_hardirqs_on_caller+0x310/0x310 [ 360.549066] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 360.554524] ? prepare_exit_to_usermode+0x291/0x3b0 [ 360.559540] ? page_fault+0x8/0x30 [ 360.563088] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 360.567933] ? page_fault+0x8/0x30 [ 360.571473] page_fault+0x1e/0x30 [ 360.574923] RIP: 0033:0x45df89 [ 360.578128] Code: Bad RIP value. [ 360.581506] RSP: 002b:000000c42017b850 EFLAGS: 00010246 [ 360.586881] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89 [ 360.594150] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004 [ 360.601416] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500 [ 360.608683] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8 [ 360.616376] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff [ 360.623671] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145 [ 360.623737] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 360.631040] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 360.631052] Call Trace: [ 360.637714] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 360.646884] [ 360.649456] syz-fuzzer cpuset=/ mems_allowed=0 [ 360.659676] dump_stack+0x244/0x39d [ 360.670002] ? dump_stack_print_info.cold.1+0x20/0x20 [ 360.675216] warn_alloc.cold.116+0xb7/0x1bd [ 360.679561] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 360.684410] ? lock_downgrade+0x900/0x900 [ 360.688572] ? trace_hardirqs_off+0xb8/0x310 [ 360.692986] ? trace_hardirqs_off+0xb8/0x310 [ 360.697410] __alloc_pages_slowpath+0x26e8/0x2e10 [ 360.702285] ? warn_alloc+0x120/0x120 [ 360.706094] ? print_usage_bug+0xc0/0xc0 [ 360.710157] ? warn_alloc+0x120/0x120 [ 360.713962] ? warn_alloc+0x120/0x120 [ 360.717766] ? print_usage_bug+0xc0/0xc0 [ 360.721825] ? kvm_clock_read+0x18/0x30 [ 360.725796] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 360.730816] ? print_usage_bug+0xc0/0xc0 [ 360.734895] ? __lock_acquire+0x62f/0x4c20 [ 360.739135] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 360.745174] ? should_fail+0x22d/0xd01 [ 360.749070] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 360.754352] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 360.759475] ? __lock_acquire+0x62f/0x4c20 [ 360.763711] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 360.768843] ? __lock_acquire+0x62f/0x4c20 [ 360.773077] ? should_fail+0x22d/0xd01 [ 360.776961] ? rcu_irq_exit+0x1a2/0x390 [ 360.780945] ? mark_held_locks+0x130/0x130 [ 360.785182] ? mark_held_locks+0x130/0x130 [ 360.789420] ? mark_held_locks+0xc7/0x130 [ 360.793572] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 360.798591] ? zap_class+0x640/0x640 [ 360.802308] ? print_usage_bug+0xc0/0xc0 [ 360.806376] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.811915] ? check_preemption_disabled+0x48/0x280 [ 360.816944] ? __lock_is_held+0xb5/0x140 [ 360.821027] __alloc_pages_nodemask+0xa80/0xde0 [ 360.825698] ? zap_class+0x640/0x640 [ 360.829447] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 360.834491] ? find_held_lock+0x36/0x1c0 [ 360.838571] ? ____cache_alloc_node+0x1c7/0x1e0 [ 360.843240] ? lock_downgrade+0x900/0x900 [ 360.847396] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.852966] cache_grow_begin+0xa5/0x8c0 [ 360.857032] ? do_raw_spin_unlock+0xa7/0x330 [ 360.861448] fallback_alloc+0x204/0x2e0 [ 360.865433] ____cache_alloc_node+0x1c7/0x1e0 [ 360.869935] kmem_cache_alloc_node+0xe3/0x730 [ 360.874434] ? ipv6_get_ifaddr+0x42e/0x620 [ 360.878678] __alloc_skb+0x119/0x770 [ 360.882422] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 360.887703] ? netdev_alloc_frag+0x1f0/0x1f0 [ 360.892115] ? lock_downgrade+0x900/0x900 [ 360.896277] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.901821] ? refcount_sub_and_test_checked+0x203/0x310 [ 360.907275] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 360.912725] ? addrconf_rs_timer+0x690/0x690 [ 360.917147] ndisc_alloc_skb+0x144/0x340 [ 360.921217] ndisc_send_rs+0x331/0x6e0 [ 360.925116] addrconf_rs_timer+0x314/0x690 [ 360.929361] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 360.933607] call_timer_fn+0x272/0x920 [ 360.937499] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 360.941735] ? process_timeout+0x40/0x40 [ 360.945807] ? __run_timers+0x7da/0xc70 [ 360.949786] ? _raw_spin_unlock_irq+0x27/0x80 [ 360.954276] ? _raw_spin_unlock_irq+0x27/0x80 [ 360.958771] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 360.963004] ? lockdep_hardirqs_on+0x296/0x5b0 [ 360.967601] ? trace_hardirqs_on+0xbd/0x310 [ 360.971924] ? kasan_check_read+0x11/0x20 [ 360.976069] ? __run_timers+0x7da/0xc70 [ 360.980053] ? trace_hardirqs_off_caller+0x310/0x310 [ 360.985164] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 360.989421] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 360.993664] __run_timers+0x7e5/0xc70 [ 360.997475] ? timer_fixup_init+0x70/0x70 [ 361.001626] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 361.006641] ? zap_class+0x640/0x640 [ 361.010358] ? enqueue_hrtimer+0x1a5/0x560 [ 361.014600] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 361.019816] ? find_held_lock+0x36/0x1c0 [ 361.023882] ? zap_class+0x640/0x640 [ 361.027604] ? pvclock_read_flags+0x160/0x160 [ 361.032101] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.037646] ? check_preemption_disabled+0x48/0x280 [ 361.042691] ? __lock_is_held+0xb5/0x140 [ 361.046758] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.052297] ? check_preemption_disabled+0x48/0x280 [ 361.057323] run_timer_softirq+0x52/0xb0 [ 361.061387] ? rcu_read_lock_sched_held+0x14f/0x180 [ 361.066436] __do_softirq+0x308/0xb7e [ 361.070257] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 361.074751] ? lock_downgrade+0x900/0x900 [ 361.078901] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 361.084062] ? pvclock_read_flags+0x160/0x160 [ 361.088578] ? lapic_next_event+0x5a/0x90 [ 361.092731] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.098276] ? kvm_clock_read+0x18/0x30 [ 361.102252] ? kvm_sched_clock_read+0x9/0x20 [ 361.106676] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.112212] ? check_preemption_disabled+0x48/0x280 [ 361.117243] irq_exit+0x17f/0x1c0 [ 361.120701] smp_apic_timer_interrupt+0x1cb/0x760 [ 361.125562] ? smp_reschedule_interrupt+0x109/0x650 [ 361.130577] ? smp_call_function_single_interrupt+0x650/0x650 [ 361.136463] ? interrupt_entry+0xb5/0xc0 [ 361.140525] ? trace_hardirqs_off_caller+0xbb/0x310 [ 361.145547] ? trace_hardirqs_off_caller+0xbb/0x310 [ 361.150573] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 361.155415] ? trace_hardirqs_on_caller+0x310/0x310 [ 361.160433] ? trace_hardirqs_on_caller+0x310/0x310 [ 361.165465] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 361.170313] apic_timer_interrupt+0xf/0x20 [ 361.174546] [ 361.176788] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 361.181718] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7 [ 361.200616] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 361.208324] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 361.215590] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286 [ 361.222859] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000 [ 361.230125] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 361.237397] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020 [ 361.244713] skb_clone+0x1bb/0x500 [ 361.248258] ? finish_task_switch+0x2f4/0x910 [ 361.252754] ? skb_split+0x11e0/0x11e0 [ 361.256646] ? preempt_notifier_register+0x200/0x200 [ 361.261761] ? __switch_to_asm+0x34/0x70 [ 361.265819] ? __switch_to_asm+0x34/0x70 [ 361.269876] ? __switch_to_asm+0x40/0x70 [ 361.273933] ? __switch_to_asm+0x34/0x70 [ 361.277995] ? __switch_to_asm+0x40/0x70 [ 361.282060] ? __switch_to_asm+0x34/0x70 [ 361.286119] ? __switch_to_asm+0x40/0x70 [ 361.290178] ? __switch_to_asm+0x34/0x70 [ 361.294236] ? __switch_to_asm+0x34/0x70 [ 361.298293] ? __switch_to_asm+0x40/0x70 [ 361.302360] ? __switch_to_asm+0x34/0x70 [ 361.306430] bpf_clone_redirect+0xb9/0x490 [ 361.310667] ? __schedule+0x8d7/0x21d0 [ 361.314566] bpf_prog_bebbfe2050753572+0x1d8/0x1000 [ 361.319589] ? __sched_text_start+0x8/0x8 [ 361.323744] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 361.328324] ? retint_kernel+0x2d/0x2d [ 361.332215] ? trace_hardirqs_on_caller+0xc0/0x310 [ 361.337149] ? find_held_lock+0x36/0x1c0 [ 361.341222] ? lock_acquire+0x1ed/0x520 [ 361.345198] ? bpf_test_run+0x3cb/0x780 [ 361.349173] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.354717] ? check_preemption_disabled+0x48/0x280 [ 361.359739] ? kasan_check_read+0x11/0x20 [ 361.363885] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 361.369164] ? rcu_softirq_qs+0x20/0x20 [ 361.373144] ? preempt_schedule+0x4d/0x60 [ 361.377295] ? ___preempt_schedule+0x16/0x18 [ 361.381712] ? bpf_test_run+0x25d/0x780 [ 361.385699] ? netlink_diag_dump+0x2a0/0x2a0 [ 361.390112] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 361.395655] ? bpf_test_init.isra.10+0x70/0x100 [ 361.400331] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 361.405100] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 361.409961] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 361.415504] ? fput+0x130/0x1a0 [ 361.418795] ? __bpf_prog_get+0x9b/0x290 [ 361.422861] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 361.427707] ? bpf_prog_test_run+0x130/0x1a0 [ 361.432124] ? __x64_sys_bpf+0x3d8/0x520 [ 361.436184] ? bpf_prog_get+0x20/0x20 [ 361.440005] ? do_syscall_64+0x1b9/0x820 [ 361.444073] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 361.449442] ? syscall_return_slowpath+0x5e0/0x5e0 [ 361.454371] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 361.459216] ? trace_hardirqs_on_caller+0x310/0x310 [ 361.464232] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 361.469258] ? prepare_exit_to_usermode+0x291/0x3b0 [ 361.474286] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 361.479135] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 361.484524] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145 [ 361.484530] warn_alloc_show_mem: 1 callbacks suppressed [ 361.484536] Mem-Info: [ 361.491547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 361.491555] Call Trace: [ 361.496928] active_anon:51179 inactive_anon:236 isolated_anon:0 [ 361.496928] active_file:17 inactive_file:9 isolated_file:0 [ 361.496928] unevictable:0 dirty:0 writeback:0 unstable:0 [ 361.496928] slab_reclaimable:9362 slab_unreclaimable:1467319 [ 361.496928] mapped:16386 shmem:283 pagetables:457 bounce:0 [ 361.496928] free:13694 free_pcp:258 free_cma:0 [ 361.499316] [ 361.508689] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 361.511274] dump_stack+0x244/0x39d [ 361.544042] 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 [ 361.546204] ? dump_stack_print_info.cold.1+0x20/0x20 [ 361.573675] lowmem_reserve[]: 0 2818 6321 6321 [ 361.577305] warn_alloc.cold.116+0xb7/0x1bd [ 361.603379] Node 0 DMA32 free:24972kB 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:0kB local_pcp:0kB free_cma:0kB [ 361.608563] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 361.613113] lowmem_reserve[]: 0 0 3503 3503 [ 361.617440] ? lock_downgrade+0x900/0x900 [ 361.644591] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB [ 361.649448] ? trace_hardirqs_off+0xb8/0x310 [ 361.653737] lowmem_reserve[]: 0 0 0 0 [ 361.657881] ? trace_hardirqs_off+0xb8/0x310 [ 361.686826] 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 [ 361.691236] __alloc_pages_slowpath+0x26e8/0x2e10 [ 361.695008] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB [ 361.699445] ? warn_alloc+0x120/0x120 [ 361.712917] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB [ 361.717758] ? print_usage_bug+0xc0/0xc0 [ 361.732908] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 361.736711] ? warn_alloc+0x120/0x120 [ 361.750910] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 361.754964] ? warn_alloc+0x120/0x120 [ 361.763774] 309 total pagecache pages [ 361.767572] ? print_usage_bug+0xc0/0xc0 [ 361.776123] 0 pages in swap cache [ 361.779913] ? kvm_clock_read+0x18/0x30 [ 361.783694] Swap cache stats: add 0, delete 0, find 0/0 [ 361.787760] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 361.791188] Free swap = 0kB [ 361.795157] ? print_usage_bug+0xc0/0xc0 [ 361.800496] Total swap = 0kB [ 361.805507] ? __lock_acquire+0x62f/0x4c20 [ 361.808499] 1965979 pages RAM [ 361.812571] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 361.815563] 0 pages HighMem/MovableOnly [ 361.819790] ? should_fail+0x22d/0xd01 [ 361.822868] 342853 pages reserved [ 361.828396] ? __lock_acquire+0x62f/0x4c20 [ 361.832350] 0 pages cma reserved [ 361.836235] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 361.839722] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 361.843886] ? __lock_acquire+0x62f/0x4c20 [ 361.843906] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 361.843922] ? __lock_acquire+0x62f/0x4c20 [ 361.847326] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 361.852365] ? should_fail+0x22d/0xd01 [ 361.858832] syz-executor2 cpuset=syz2 mems_allowed=0 [ 361.863070] ? mark_held_locks+0x130/0x130 [ 361.896009] ? mark_held_locks+0x130/0x130 [ 361.900269] ? zap_class+0x640/0x640 [ 361.903983] ? print_usage_bug+0xc0/0xc0 [ 361.908064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.913607] ? check_preemption_disabled+0x48/0x280 [ 361.918638] ? __lock_is_held+0xb5/0x140 [ 361.922706] __alloc_pages_nodemask+0xa80/0xde0 [ 361.927377] ? zap_class+0x640/0x640 [ 361.931097] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 361.936127] ? find_held_lock+0x36/0x1c0 [ 361.940203] ? ____cache_alloc_node+0x1c7/0x1e0 [ 361.944880] ? lock_downgrade+0x900/0x900 [ 361.949061] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.954606] cache_grow_begin+0xa5/0x8c0 [ 361.958674] ? do_raw_spin_unlock+0xa7/0x330 [ 361.963094] fallback_alloc+0x204/0x2e0 [ 361.967083] ____cache_alloc_node+0x1c7/0x1e0 [ 361.971590] kmem_cache_alloc_node+0xe3/0x730 [ 361.976085] ? ipv6_get_ifaddr+0x42e/0x620 [ 361.980336] __alloc_skb+0x119/0x770 [ 361.984061] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 361.989347] ? netdev_alloc_frag+0x1f0/0x1f0 [ 361.993755] ? lock_downgrade+0x900/0x900 [ 361.999648] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.005191] ? refcount_sub_and_test_checked+0x203/0x310 [ 362.010651] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 362.016104] ? addrconf_rs_timer+0x690/0x690 [ 362.020530] ndisc_alloc_skb+0x144/0x340 [ 362.024598] ndisc_send_rs+0x331/0x6e0 [ 362.028515] addrconf_rs_timer+0x314/0x690 [ 362.032759] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 362.037005] call_timer_fn+0x272/0x920 [ 362.040906] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 362.045146] ? process_timeout+0x40/0x40 [ 362.049222] ? mark_held_locks+0xc7/0x130 [ 362.053373] ? _raw_spin_unlock_irq+0x27/0x80 [ 362.057867] ? _raw_spin_unlock_irq+0x27/0x80 [ 362.062359] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 362.066593] ? lockdep_hardirqs_on+0x296/0x5b0 [ 362.071185] ? trace_hardirqs_on+0xbd/0x310 [ 362.075512] ? kasan_check_read+0x11/0x20 [ 362.079660] ? __run_timers+0x7da/0xc70 [ 362.083637] ? trace_hardirqs_off_caller+0x310/0x310 [ 362.088759] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 362.092992] __run_timers+0x7e5/0xc70 [ 362.096813] ? timer_fixup_init+0x70/0x70 [ 362.100977] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 362.105995] ? zap_class+0x640/0x640 [ 362.109723] ? print_usage_bug+0xc0/0xc0 [ 362.113791] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 362.118990] ? find_held_lock+0x36/0x1c0 [ 362.123069] ? zap_class+0x640/0x640 [ 362.126799] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.132340] ? check_preemption_disabled+0x48/0x280 [ 362.137366] ? __lock_is_held+0xb5/0x140 [ 362.141435] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.146974] ? check_preemption_disabled+0x48/0x280 [ 362.151997] run_timer_softirq+0x52/0xb0 [ 362.156072] ? rcu_read_lock_sched_held+0x14f/0x180 [ 362.161093] __do_softirq+0x308/0xb7e [ 362.164898] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 362.169396] ? lock_downgrade+0x900/0x900 [ 362.173553] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 362.178665] ? pvclock_read_flags+0x160/0x160 [ 362.183167] ? lapic_next_event+0x5a/0x90 [ 362.187322] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.192864] ? kvm_clock_read+0x18/0x30 [ 362.196841] ? kvm_sched_clock_read+0x9/0x20 [ 362.201255] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.206797] ? check_preemption_disabled+0x48/0x280 [ 362.211828] irq_exit+0x17f/0x1c0 [ 362.215290] smp_apic_timer_interrupt+0x1cb/0x760 [ 362.220131] ? smp_reschedule_interrupt+0x109/0x650 [ 362.225152] ? smp_call_function_single_interrupt+0x650/0x650 [ 362.231050] ? interrupt_entry+0xb5/0xc0 [ 362.235116] ? trace_hardirqs_off_caller+0xbb/0x310 [ 362.240140] ? trace_hardirqs_off_caller+0xbb/0x310 [ 362.245158] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 362.250000] ? trace_hardirqs_on_caller+0x310/0x310 [ 362.255036] ? trace_hardirqs_on_caller+0x310/0x310 [ 362.260063] ? task_prio+0x50/0x50 [ 362.263605] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.269149] ? check_preemption_disabled+0x48/0x280 [ 362.274174] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 362.279035] apic_timer_interrupt+0xf/0x20 [ 362.283274] [ 362.285520] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 362.290725] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 362.309630] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 362.317339] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e [ 362.324611] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc [ 362.331884] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 362.339154] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000 [ 362.346425] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 362.353731] retint_kernel+0x1b/0x2d [ 362.357449] RIP: 0010:dump_stack+0x358/0x39d [ 362.361862] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 362.380764] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 362.388475] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e [ 362.395746] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 362.403022] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 362.410293] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45 [ 362.417558] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 362.424850] ? dump_stack+0x34f/0x39d [ 362.428668] ? dump_stack_print_info.cold.1+0x20/0x20 [ 362.433872] ? mark_held_locks+0x130/0x130 [ 362.438107] ? mark_held_locks+0x130/0x130 [ 362.442346] dump_header+0x27b/0xf72 [ 362.446096] ? pagefault_out_of_memory+0x197/0x197 [ 362.451047] ? __lock_acquire+0x62f/0x4c20 [ 362.455286] ? percpu_ref_get_many+0x240/0x240 [ 362.459876] ? print_usage_bug+0xc0/0xc0 [ 362.463944] ? zap_class+0x640/0x640 [ 362.467661] ? print_usage_bug+0xc0/0xc0 [ 362.471721] ? print_usage_bug+0xc0/0xc0 [ 362.475784] ? zap_class+0x640/0x640 [ 362.479505] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.485076] ? find_held_lock+0x36/0x1c0 [ 362.489153] ? mark_held_locks+0xc7/0x130 [ 362.493308] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 362.498414] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 362.503525] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 362.508130] ? trace_hardirqs_on+0xbd/0x310 [ 362.512458] ? kasan_check_read+0x11/0x20 [ 362.516606] ? ___ratelimit+0x3b4/0x672 [ 362.520581] ? trace_hardirqs_off_caller+0x310/0x310 [ 362.525692] ? trace_hardirqs_on+0x310/0x310 [ 362.530108] ? lock_downgrade+0x900/0x900 [ 362.534261] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 362.539372] ? ___ratelimit+0x3b9/0x672 [ 362.543354] ? idr_get_free+0xf70/0xf70 [ 362.547330] ? find_held_lock+0x36/0x1c0 [ 362.551408] oom_kill_process.cold.27+0x10/0x903 [ 362.556167] ? zap_class+0x640/0x640 [ 362.559887] ? check_preemption_disabled+0x48/0x280 [ 362.564910] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 362.569840] ? kasan_check_read+0x11/0x20 [ 362.573989] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 362.579280] ? oom_evaluate_task+0x540/0x540 [ 362.583692] ? find_held_lock+0x36/0x1c0 [ 362.587762] ? out_of_memory+0x974/0x1430 [ 362.591916] ? lock_downgrade+0x900/0x900 [ 362.596068] ? check_preemption_disabled+0x48/0x280 [ 362.601090] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 362.606030] ? kasan_check_read+0x11/0x20 [ 362.610184] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 362.615954] ? rcu_softirq_qs+0x20/0x20 [ 362.619934] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 362.625471] ? oom_evaluate_task+0x302/0x540 [ 362.629887] out_of_memory+0xa84/0x1430 [ 362.633871] ? oom_killer_disable+0x3a0/0x3a0 [ 362.638368] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 362.643301] ? __ww_mutex_check_waiters+0x160/0x160 [ 362.648329] __alloc_pages_slowpath+0x2354/0x2e10 [ 362.653205] ? warn_alloc+0x120/0x120 [ 362.657006] ? mark_held_locks+0x130/0x130 [ 362.661259] ? find_get_entry+0xaae/0x1120 [ 362.665503] ? filemap_map_pages+0x1a20/0x1a20 [ 362.670094] ? zap_class+0x640/0x640 [ 362.673817] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.679359] ? check_preemption_disabled+0x48/0x280 [ 362.684389] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 362.689927] ? should_fail+0x22d/0xd01 [ 362.693823] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 362.698929] ? zap_class+0x640/0x640 [ 362.702673] ? __lock_is_held+0xb5/0x140 [ 362.706743] ? mark_held_locks+0x130/0x130 [ 362.710982] ? lock_release+0xa00/0xa00 [ 362.714959] ? perf_trace_sched_process_exec+0x860/0x860 [ 362.720413] ? xa_load+0x2ba/0x460 [ 362.723956] ? lock_downgrade+0x900/0x900 [ 362.728113] ? __might_sleep+0x95/0x190 [ 362.732094] __alloc_pages_nodemask+0xa80/0xde0 [ 362.736774] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 362.741792] ? __page_cache_alloc+0x191/0x5c0 [ 362.746438] ? xa_load+0x2e1/0x460 [ 362.749983] ? xa_clear_mark+0x40/0x40 [ 362.753879] ? zap_class+0x640/0x640 [ 362.757602] ? zap_class+0x640/0x640 [ 362.761316] ? zap_class+0x640/0x640 [ 362.765047] ? __do_page_cache_readahead+0x663/0x810 [ 362.770160] ? find_held_lock+0x36/0x1c0 [ 362.774228] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 362.779775] alloc_pages_current+0x173/0x350 [ 362.784196] __page_cache_alloc+0x38c/0x5c0 [ 362.788521] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 362.793450] ? kasan_check_read+0x11/0x20 [ 362.797602] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 362.802882] ? generic_perform_write+0x6a0/0x6a0 [ 362.807649] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 362.813188] ? check_preemption_disabled+0x48/0x280 [ 362.818217] filemap_fault+0x1595/0x25f0 [ 362.822291] ? __lock_page_or_retry+0xa00/0xa00 [ 362.826963] ? mark_held_locks+0x130/0x130 [ 362.831210] ? filemap_map_pages+0xd6b/0x1a20 [ 362.835717] ? lock_downgrade+0x900/0x900 [ 362.839868] ? check_preemption_disabled+0x48/0x280 [ 362.844891] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 362.849821] ? kasan_check_read+0x11/0x20 [ 362.853976] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 362.859257] ? rcu_softirq_qs+0x20/0x20 [ 362.863244] ? filemap_map_pages+0xd92/0x1a20 [ 362.867754] ? find_get_entries_tag+0x1400/0x1400 [ 362.872600] ? ep_scan_ready_list+0xbc7/0x1050 [ 362.877186] ? trace_hardirqs_off_caller+0x310/0x310 [ 362.882305] ? lock_acquire+0x1ed/0x520 [ 362.886279] ? ext4_filemap_fault+0x7a/0xad [ 362.890608] ? lock_release+0xa00/0xa00 [ 362.894586] ? perf_trace_sched_process_exec+0x860/0x860 [ 362.900057] ? print_usage_bug+0xc0/0xc0 [ 362.904121] ? print_usage_bug+0xc0/0xc0 [ 362.908194] ? down_read+0x8d/0x120 [ 362.911818] ? ext4_filemap_fault+0x7a/0xad [ 362.916145] ? __down_interruptible+0x700/0x700 [ 362.920824] ext4_filemap_fault+0x82/0xad [ 362.924975] __do_fault+0x100/0x6b0 [ 362.928611] ? pmd_devmap_trans_unstable+0x220/0x220 [ 362.933717] ? mark_held_locks+0x130/0x130 [ 362.937951] ? mark_held_locks+0x130/0x130 [ 362.942188] ? kasan_check_read+0x11/0x20 [ 362.946341] ? ep_poll+0xffa/0x13d0 [ 362.949969] ? trace_hardirqs_off_caller+0x310/0x310 [ 362.955085] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 362.960630] __handle_mm_fault+0x3ea0/0x5be0 [ 362.965055] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.970607] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 362.975455] ? do_epoll_create+0x590/0x590 [ 362.979690] ? kasan_check_read+0x11/0x20 [ 362.983841] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 362.989116] ? rcu_softirq_qs+0x20/0x20 [ 362.993105] ? zap_class+0x640/0x640 [ 362.996818] ? zap_class+0x640/0x640 [ 363.000539] ? find_held_lock+0x36/0x1c0 [ 363.004610] ? handle_mm_fault+0x42a/0xc70 [ 363.008846] ? lock_downgrade+0x900/0x900 [ 363.012996] ? check_preemption_disabled+0x48/0x280 [ 363.018028] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 363.022963] ? kasan_check_read+0x11/0x20 [ 363.027113] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 363.032396] ? rcu_softirq_qs+0x20/0x20 [ 363.036384] ? trace_hardirqs_off_caller+0x310/0x310 [ 363.041492] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 363.047051] ? check_preemption_disabled+0x48/0x280 [ 363.052087] handle_mm_fault+0x54f/0xc70 [ 363.056158] ? __handle_mm_fault+0x5be0/0x5be0 [ 363.060745] ? find_vma+0x34/0x190 [ 363.064291] __do_page_fault+0x5e8/0xe60 [ 363.068356] ? trace_hardirqs_off+0xb8/0x310 [ 363.072764] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 363.078316] do_page_fault+0xf2/0x7e0 [ 363.082123] ? vmalloc_sync_all+0x30/0x30 [ 363.086276] ? error_entry+0x70/0xd0 [ 363.089993] ? trace_hardirqs_off_caller+0xbb/0x310 [ 363.095023] ? trace_hardirqs_on_caller+0xc0/0x310 [ 363.099958] ? syscall_return_slowpath+0x5e0/0x5e0 [ 363.104885] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 363.109731] ? trace_hardirqs_on_caller+0x310/0x310 [ 363.114746] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 363.120202] ? prepare_exit_to_usermode+0x291/0x3b0 [ 363.125224] ? page_fault+0x8/0x30 [ 363.128767] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 363.133611] ? page_fault+0x8/0x30 [ 363.137154] page_fault+0x1e/0x30 [ 363.140612] RIP: 0033:0x45df89 [ 363.143817] Code: Bad RIP value. [ 363.147616] RSP: 002b:000000c42017b850 EFLAGS: 00010246 [ 363.153070] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89 [ 363.160340] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004 [ 363.167607] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500 [ 363.174876] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8 [ 363.182144] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff [ 363.189442] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145 [ 363.189504] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 363.196808] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 363.196813] Call Trace: [ 363.196820] [ 363.196842] dump_stack+0x244/0x39d [ 363.196863] ? dump_stack_print_info.cold.1+0x20/0x20 [ 363.203436] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 363.212699] warn_alloc.cold.116+0xb7/0x1bd [ 363.215250] syz-fuzzer cpuset=/ mems_allowed=0 [ 363.217398] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 363.250461] ? lock_downgrade+0x900/0x900 [ 363.254630] ? trace_hardirqs_off+0xb8/0x310 [ 363.259048] ? trace_hardirqs_off+0xb8/0x310 [ 363.263473] __alloc_pages_slowpath+0x26e8/0x2e10 [ 363.268362] ? warn_alloc+0x120/0x120 [ 363.272165] ? print_usage_bug+0xc0/0xc0 [ 363.276227] ? warn_alloc+0x120/0x120 [ 363.280041] ? warn_alloc+0x120/0x120 [ 363.283860] ? print_usage_bug+0xc0/0xc0 [ 363.287925] ? print_usage_bug+0xc0/0xc0 [ 363.291986] ? __lock_acquire+0x62f/0x4c20 [ 363.296239] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 363.301777] ? should_fail+0x22d/0xd01 [ 363.305675] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 363.310784] ? __lock_acquire+0x62f/0x4c20 [ 363.315033] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 363.320140] ? __lock_acquire+0x62f/0x4c20 [ 363.324373] ? should_fail+0x22d/0xd01 [ 363.328258] ? find_held_lock+0x36/0x1c0 [ 363.332330] ? mark_held_locks+0x130/0x130 [ 363.336577] ? mark_held_locks+0x130/0x130 [ 363.340814] ? zap_class+0x640/0x640 [ 363.344532] ? zap_class+0x640/0x640 [ 363.348253] ? print_usage_bug+0xc0/0xc0 [ 363.352319] ? do_raw_spin_unlock+0xa7/0x330 [ 363.356729] ? zap_class+0x640/0x640 [ 363.360444] ? print_usage_bug+0xc0/0xc0 [ 363.364506] ? wq_watchdog_touch+0x9c/0xfe [ 363.368749] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.374289] ? check_preemption_disabled+0x48/0x280 [ 363.379313] ? __lock_is_held+0xb5/0x140 [ 363.383383] __alloc_pages_nodemask+0xa80/0xde0 [ 363.388064] ? zap_class+0x640/0x640 [ 363.391782] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 363.396811] ? find_held_lock+0x36/0x1c0 [ 363.400887] ? ____cache_alloc_node+0x1c7/0x1e0 [ 363.405563] ? lock_downgrade+0x900/0x900 [ 363.409724] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.415275] cache_grow_begin+0xa5/0x8c0 [ 363.419351] ? do_raw_spin_unlock+0xa7/0x330 [ 363.423770] fallback_alloc+0x204/0x2e0 [ 363.427754] ____cache_alloc_node+0x1c7/0x1e0 [ 363.432260] kmem_cache_alloc_node+0xe3/0x730 [ 363.436761] ? ipv6_get_ifaddr+0x42e/0x620 [ 363.441008] __alloc_skb+0x119/0x770 [ 363.444734] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 363.450022] ? netdev_alloc_frag+0x1f0/0x1f0 [ 363.454432] ? lock_downgrade+0x900/0x900 [ 363.458589] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.464127] ? refcount_sub_and_test_checked+0x203/0x310 [ 363.469585] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 363.475046] ? addrconf_rs_timer+0x690/0x690 [ 363.479469] ndisc_alloc_skb+0x144/0x340 [ 363.483545] ndisc_send_rs+0x331/0x6e0 [ 363.487440] addrconf_rs_timer+0x314/0x690 [ 363.491686] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 363.495934] call_timer_fn+0x272/0x920 [ 363.499820] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 363.504058] ? process_timeout+0x40/0x40 [ 363.508129] ? __run_timers+0x7da/0xc70 [ 363.512107] ? _raw_spin_unlock_irq+0x27/0x80 [ 363.516599] ? _raw_spin_unlock_irq+0x27/0x80 [ 363.521097] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 363.525332] ? lockdep_hardirqs_on+0x296/0x5b0 [ 363.529921] ? trace_hardirqs_on+0xbd/0x310 [ 363.534246] ? kasan_check_read+0x11/0x20 [ 363.538396] ? __run_timers+0x7da/0xc70 [ 363.542381] ? trace_hardirqs_off_caller+0x310/0x310 [ 363.547491] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 363.551731] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 363.555964] __run_timers+0x7e5/0xc70 [ 363.559778] ? timer_fixup_init+0x70/0x70 [ 363.563929] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 363.568949] ? zap_class+0x640/0x640 [ 363.572670] ? enqueue_hrtimer+0x1a5/0x560 [ 363.576910] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 363.582107] ? find_held_lock+0x36/0x1c0 [ 363.586174] ? zap_class+0x640/0x640 [ 363.589896] ? pvclock_read_flags+0x160/0x160 [ 363.594398] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.599943] ? check_preemption_disabled+0x48/0x280 [ 363.604971] ? __lock_is_held+0xb5/0x140 [ 363.609043] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.614589] ? check_preemption_disabled+0x48/0x280 [ 363.619618] run_timer_softirq+0x52/0xb0 [ 363.623682] ? rcu_read_lock_sched_held+0x14f/0x180 [ 363.628702] __do_softirq+0x308/0xb7e [ 363.632510] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 363.637010] ? lock_downgrade+0x900/0x900 [ 363.641176] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 363.646378] ? pvclock_read_flags+0x160/0x160 [ 363.650883] ? lapic_next_event+0x5a/0x90 [ 363.655050] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.660598] ? kvm_clock_read+0x18/0x30 [ 363.664572] ? kvm_sched_clock_read+0x9/0x20 [ 363.668983] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.674530] ? check_preemption_disabled+0x48/0x280 [ 363.679569] irq_exit+0x17f/0x1c0 [ 363.683036] smp_apic_timer_interrupt+0x1cb/0x760 [ 363.687881] ? smp_reschedule_interrupt+0x109/0x650 [ 363.692899] ? smp_call_function_single_interrupt+0x650/0x650 [ 363.698782] ? interrupt_entry+0xb5/0xc0 [ 363.702847] ? trace_hardirqs_off_caller+0xbb/0x310 [ 363.707865] ? trace_hardirqs_off_caller+0xbb/0x310 [ 363.712882] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 363.717726] ? trace_hardirqs_on_caller+0x310/0x310 [ 363.722747] ? trace_hardirqs_on_caller+0x310/0x310 [ 363.727776] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 363.732633] apic_timer_interrupt+0xf/0x20 [ 363.736862] [ 363.739143] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 363.744072] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7 [ 363.762980] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 363.770703] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 363.777975] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286 [ 363.785243] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000 [ 363.792510] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 363.799779] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020 [ 363.807095] skb_clone+0x1bb/0x500 [ 363.810642] ? finish_task_switch+0x2f4/0x910 [ 363.815146] ? skb_split+0x11e0/0x11e0 [ 363.819044] ? preempt_notifier_register+0x200/0x200 [ 363.824151] ? __switch_to_asm+0x34/0x70 [ 363.828210] ? __switch_to_asm+0x34/0x70 [ 363.832272] ? __switch_to_asm+0x40/0x70 [ 363.836330] ? __switch_to_asm+0x34/0x70 [ 363.840392] ? __switch_to_asm+0x40/0x70 [ 363.844454] ? __switch_to_asm+0x34/0x70 [ 363.848512] ? __switch_to_asm+0x40/0x70 [ 363.852572] ? __switch_to_asm+0x34/0x70 [ 363.856635] ? __switch_to_asm+0x34/0x70 [ 363.860700] ? __switch_to_asm+0x40/0x70 [ 363.864761] ? __switch_to_asm+0x34/0x70 [ 363.868827] bpf_clone_redirect+0xb9/0x490 [ 363.873065] ? __schedule+0x8d7/0x21d0 [ 363.876962] bpf_prog_bebbfe2050753572+0x1d8/0x1000 [ 363.881980] ? __sched_text_start+0x8/0x8 [ 363.886133] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 363.890714] ? retint_kernel+0x2d/0x2d [ 363.894606] ? trace_hardirqs_on_caller+0xc0/0x310 [ 363.899551] ? find_held_lock+0x36/0x1c0 [ 363.903626] ? lock_acquire+0x1ed/0x520 [ 363.907606] ? bpf_test_run+0x3cb/0x780 [ 363.911586] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.917126] ? check_preemption_disabled+0x48/0x280 [ 363.922149] ? kasan_check_read+0x11/0x20 [ 363.926299] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 363.931578] ? rcu_softirq_qs+0x20/0x20 [ 363.935562] ? preempt_schedule+0x4d/0x60 [ 363.939713] ? ___preempt_schedule+0x16/0x18 [ 363.944131] ? bpf_test_run+0x25d/0x780 [ 363.948122] ? netlink_diag_dump+0x2a0/0x2a0 [ 363.952536] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 363.958080] ? bpf_test_init.isra.10+0x70/0x100 [ 363.962755] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 363.967521] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 363.972370] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 363.977909] ? fput+0x130/0x1a0 [ 363.981191] ? __bpf_prog_get+0x9b/0x290 [ 363.985256] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 363.990110] ? bpf_prog_test_run+0x130/0x1a0 [ 363.994525] ? __x64_sys_bpf+0x3d8/0x520 [ 363.998590] ? bpf_prog_get+0x20/0x20 [ 364.002430] ? do_syscall_64+0x1b9/0x820 [ 364.006495] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 364.011862] ? syscall_return_slowpath+0x5e0/0x5e0 [ 364.016791] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 364.021637] ? trace_hardirqs_on_caller+0x310/0x310 [ 364.026656] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 364.031695] ? prepare_exit_to_usermode+0x291/0x3b0 [ 364.036720] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 364.041577] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 364.046962] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145 [ 364.046967] warn_alloc_show_mem: 1 callbacks suppressed [ 364.046975] Mem-Info: [ 364.053986] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 364.059356] active_anon:51179 inactive_anon:236 isolated_anon:0 [ 364.059356] active_file:17 inactive_file:9 isolated_file:0 [ 364.059356] unevictable:0 dirty:0 writeback:0 unstable:0 [ 364.059356] slab_reclaimable:9362 slab_unreclaimable:1467319 [ 364.059356] mapped:16386 shmem:283 pagetables:457 bounce:0 [ 364.059356] free:13694 free_pcp:258 free_cma:0 [ 364.061729] Call Trace: [ 364.071122] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 364.103883] [ 364.106461] 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 [ 364.133965] dump_stack+0x244/0x39d [ 364.136086] lowmem_reserve[]: 0 2818 6321 6321 [ 364.162206] ? dump_stack_print_info.cold.1+0x20/0x20 [ 364.165800] Node 0 DMA32 free:24972kB 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:0kB local_pcp:0kB free_cma:0kB [ 364.170386] warn_alloc.cold.116+0xb7/0x1bd [ 364.175543] lowmem_reserve[]: 0 0 3503 3503 [ 364.202699] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 364.206999] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB [ 364.211322] ? lock_downgrade+0x900/0x900 [ 364.216139] lowmem_reserve[]: 0 0 0 0 [ 364.245125] ? trace_hardirqs_off+0xb8/0x310 [ 364.249243] 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 [ 364.253052] ? trace_hardirqs_off+0xb8/0x310 [ 364.257425] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB [ 364.270954] __alloc_pages_slowpath+0x26e8/0x2e10 [ 364.275329] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB [ 364.290522] ? warn_alloc+0x120/0x120 [ 364.295318] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 364.309526] ? print_usage_bug+0xc0/0xc0 [ 364.313306] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 364.322135] ? warn_alloc+0x120/0x120 [ 364.326166] 309 total pagecache pages [ 364.334735] ? warn_alloc+0x120/0x120 [ 364.338512] 0 pages in swap cache [ 364.342305] ? print_usage_bug+0xc0/0xc0 [ 364.346081] Swap cache stats: add 0, delete 0, find 0/0 [ 364.349527] ? kvm_clock_read+0x18/0x30 [ 364.353563] Free swap = 0kB [ 364.358922] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 364.362867] Total swap = 0kB [ 364.365880] ? print_usage_bug+0xc0/0xc0 [ 364.370874] 1965979 pages RAM [ 364.373895] ? __lock_acquire+0x62f/0x4c20 [ 364.377930] 0 pages HighMem/MovableOnly [ 364.381044] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 364.385244] 342853 pages reserved [ 364.389210] ? should_fail+0x22d/0xd01 [ 364.394724] 0 pages cma reserved [ 364.398170] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 364.402098] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 364.405398] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 364.405415] ? __lock_acquire+0x62f/0x4c20 [ 364.405433] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 364.410747] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 364.417178] ? __lock_acquire+0x62f/0x4c20 [ 364.422253] syz-executor2 cpuset=syz2 mems_allowed=0 [ 364.426483] ? should_fail+0x22d/0xd01 [ 364.455318] ? rcu_irq_exit+0x1a2/0x390 [ 364.459309] ? mark_held_locks+0x130/0x130 [ 364.463552] ? mark_held_locks+0x130/0x130 [ 364.467799] ? mark_held_locks+0xc7/0x130 [ 364.471948] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 364.476967] ? zap_class+0x640/0x640 [ 364.480679] ? print_usage_bug+0xc0/0xc0 [ 364.484748] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.490291] ? check_preemption_disabled+0x48/0x280 [ 364.495318] ? __lock_is_held+0xb5/0x140 [ 364.499389] __alloc_pages_nodemask+0xa80/0xde0 [ 364.504068] ? zap_class+0x640/0x640 [ 364.507788] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 364.512814] ? find_held_lock+0x36/0x1c0 [ 364.516887] ? ____cache_alloc_node+0x1c7/0x1e0 [ 364.521560] ? lock_downgrade+0x900/0x900 [ 364.525716] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.531261] cache_grow_begin+0xa5/0x8c0 [ 364.535323] ? do_raw_spin_unlock+0xa7/0x330 [ 364.539739] fallback_alloc+0x204/0x2e0 [ 364.543721] ____cache_alloc_node+0x1c7/0x1e0 [ 364.548225] kmem_cache_alloc_node+0xe3/0x730 [ 364.552723] ? ipv6_get_ifaddr+0x42e/0x620 [ 364.556969] __alloc_skb+0x119/0x770 [ 364.560681] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 364.565967] ? netdev_alloc_frag+0x1f0/0x1f0 [ 364.570375] ? lock_downgrade+0x900/0x900 [ 364.574532] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.580089] ? refcount_sub_and_test_checked+0x203/0x310 [ 364.585544] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 364.591002] ? addrconf_rs_timer+0x690/0x690 [ 364.595434] ndisc_alloc_skb+0x144/0x340 [ 364.599504] ndisc_send_rs+0x331/0x6e0 [ 364.603397] addrconf_rs_timer+0x314/0x690 [ 364.607640] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 364.612395] call_timer_fn+0x272/0x920 [ 364.616284] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 364.620520] ? process_timeout+0x40/0x40 [ 364.624595] ? mark_held_locks+0xc7/0x130 [ 364.628748] ? _raw_spin_unlock_irq+0x27/0x80 [ 364.633243] ? _raw_spin_unlock_irq+0x27/0x80 [ 364.637736] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 364.641974] ? lockdep_hardirqs_on+0x296/0x5b0 [ 364.646559] ? trace_hardirqs_on+0xbd/0x310 [ 364.650882] ? kasan_check_read+0x11/0x20 [ 364.655036] ? __run_timers+0x7da/0xc70 [ 364.659025] ? trace_hardirqs_off_caller+0x310/0x310 [ 364.664156] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 364.668401] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 364.672637] __run_timers+0x7e5/0xc70 [ 364.676450] ? timer_fixup_init+0x70/0x70 [ 364.680604] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 364.685623] ? zap_class+0x640/0x640 [ 364.689342] ? print_usage_bug+0xc0/0xc0 [ 364.693404] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 364.698605] ? find_held_lock+0x36/0x1c0 [ 364.702672] ? zap_class+0x640/0x640 [ 364.706393] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.711934] ? check_preemption_disabled+0x48/0x280 [ 364.716959] ? __lock_is_held+0xb5/0x140 [ 364.721032] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.726579] ? check_preemption_disabled+0x48/0x280 [ 364.731604] run_timer_softirq+0x52/0xb0 [ 364.735666] ? rcu_read_lock_sched_held+0x14f/0x180 [ 364.740683] __do_softirq+0x308/0xb7e [ 364.744691] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 364.749190] ? lock_downgrade+0x900/0x900 [ 364.753346] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 364.758463] ? pvclock_read_flags+0x160/0x160 [ 364.762966] ? lapic_next_event+0x5a/0x90 [ 364.767118] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.772661] ? kvm_clock_read+0x18/0x30 [ 364.776638] ? kvm_sched_clock_read+0x9/0x20 [ 364.781073] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.786627] ? check_preemption_disabled+0x48/0x280 [ 364.791669] irq_exit+0x17f/0x1c0 [ 364.795140] smp_apic_timer_interrupt+0x1cb/0x760 [ 364.799981] ? smp_reschedule_interrupt+0x109/0x650 [ 364.805003] ? smp_call_function_single_interrupt+0x650/0x650 [ 364.810902] ? interrupt_entry+0xb5/0xc0 [ 364.814966] ? trace_hardirqs_off_caller+0xbb/0x310 [ 364.819981] ? trace_hardirqs_off_caller+0xbb/0x310 [ 364.825004] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 364.829858] ? trace_hardirqs_on_caller+0x310/0x310 [ 364.834896] ? trace_hardirqs_on_caller+0x310/0x310 [ 364.839918] ? task_prio+0x50/0x50 [ 364.843461] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.849005] ? check_preemption_disabled+0x48/0x280 [ 364.854052] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 364.858911] apic_timer_interrupt+0xf/0x20 [ 364.863138] [ 364.865376] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 364.870566] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 364.889464] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 364.897171] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e [ 364.904440] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc [ 364.911737] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 364.919003] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000 [ 364.926281] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 364.933591] retint_kernel+0x1b/0x2d [ 364.937311] RIP: 0010:dump_stack+0x358/0x39d [ 364.941724] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 364.960622] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 364.968329] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e [ 364.975595] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 364.982860] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 364.990125] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45 [ 364.997392] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 365.004687] ? dump_stack+0x34f/0x39d [ 365.008502] ? dump_stack_print_info.cold.1+0x20/0x20 [ 365.013702] ? mark_held_locks+0x130/0x130 [ 365.017939] ? mark_held_locks+0x130/0x130 [ 365.022182] dump_header+0x27b/0xf72 [ 365.025913] ? pagefault_out_of_memory+0x197/0x197 [ 365.030849] ? __lock_acquire+0x62f/0x4c20 [ 365.035089] ? percpu_ref_get_many+0x240/0x240 [ 365.039675] ? print_usage_bug+0xc0/0xc0 [ 365.043742] ? zap_class+0x640/0x640 [ 365.047458] ? print_usage_bug+0xc0/0xc0 [ 365.051517] ? print_usage_bug+0xc0/0xc0 [ 365.055582] ? zap_class+0x640/0x640 [ 365.059301] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.064844] ? find_held_lock+0x36/0x1c0 [ 365.068915] ? mark_held_locks+0xc7/0x130 [ 365.073069] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 365.078171] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 365.083274] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 365.087857] ? trace_hardirqs_on+0xbd/0x310 [ 365.092179] ? kasan_check_read+0x11/0x20 [ 365.096325] ? ___ratelimit+0x3b4/0x672 [ 365.100309] ? trace_hardirqs_off_caller+0x310/0x310 [ 365.105416] ? trace_hardirqs_on+0x310/0x310 [ 365.109826] ? lock_downgrade+0x900/0x900 [ 365.113988] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 365.119108] ? ___ratelimit+0x3b9/0x672 [ 365.123085] ? idr_get_free+0xf70/0xf70 [ 365.127063] ? find_held_lock+0x36/0x1c0 [ 365.131134] oom_kill_process.cold.27+0x10/0x903 [ 365.135906] ? zap_class+0x640/0x640 [ 365.139621] ? check_preemption_disabled+0x48/0x280 [ 365.144642] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 365.149571] ? kasan_check_read+0x11/0x20 [ 365.153717] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 365.159002] ? oom_evaluate_task+0x540/0x540 [ 365.163423] ? find_held_lock+0x36/0x1c0 [ 365.167492] ? out_of_memory+0x974/0x1430 [ 365.171653] ? lock_downgrade+0x900/0x900 [ 365.175804] ? check_preemption_disabled+0x48/0x280 [ 365.180825] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 365.185755] ? kasan_check_read+0x11/0x20 [ 365.189904] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 365.195184] ? rcu_softirq_qs+0x20/0x20 [ 365.199168] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 365.204707] ? oom_evaluate_task+0x302/0x540 [ 365.209119] out_of_memory+0xa84/0x1430 [ 365.213101] ? oom_killer_disable+0x3a0/0x3a0 [ 365.217598] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 365.222533] ? __ww_mutex_check_waiters+0x160/0x160 [ 365.227567] __alloc_pages_slowpath+0x2354/0x2e10 [ 365.232439] ? warn_alloc+0x120/0x120 [ 365.236244] ? mark_held_locks+0x130/0x130 [ 365.240483] ? find_get_entry+0xaae/0x1120 [ 365.244727] ? filemap_map_pages+0x1a20/0x1a20 [ 365.249313] ? zap_class+0x640/0x640 [ 365.253050] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.258589] ? check_preemption_disabled+0x48/0x280 [ 365.263609] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 365.269154] ? should_fail+0x22d/0xd01 [ 365.273056] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 365.278164] ? zap_class+0x640/0x640 [ 365.281908] ? __lock_is_held+0xb5/0x140 [ 365.285980] ? mark_held_locks+0x130/0x130 [ 365.290217] ? lock_release+0xa00/0xa00 [ 365.294196] ? perf_trace_sched_process_exec+0x860/0x860 [ 365.299652] ? xa_load+0x2ba/0x460 [ 365.303198] ? lock_downgrade+0x900/0x900 [ 365.307353] ? __might_sleep+0x95/0x190 [ 365.311336] __alloc_pages_nodemask+0xa80/0xde0 [ 365.316015] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 365.321062] ? __page_cache_alloc+0x191/0x5c0 [ 365.325563] ? xa_load+0x2e1/0x460 [ 365.329107] ? xa_clear_mark+0x40/0x40 [ 365.333001] ? zap_class+0x640/0x640 [ 365.336738] ? zap_class+0x640/0x640 [ 365.340464] ? zap_class+0x640/0x640 [ 365.344177] ? __do_page_cache_readahead+0x663/0x810 [ 365.349639] ? find_held_lock+0x36/0x1c0 [ 365.353708] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 365.359259] alloc_pages_current+0x173/0x350 [ 365.363679] __page_cache_alloc+0x38c/0x5c0 [ 365.368000] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 365.372948] ? kasan_check_read+0x11/0x20 [ 365.377102] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 365.382381] ? generic_perform_write+0x6a0/0x6a0 [ 365.387141] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 365.392684] ? check_preemption_disabled+0x48/0x280 [ 365.397709] filemap_fault+0x1595/0x25f0 [ 365.401786] ? __lock_page_or_retry+0xa00/0xa00 [ 365.406462] ? mark_held_locks+0x130/0x130 [ 365.410711] ? filemap_map_pages+0xd6b/0x1a20 [ 365.415212] ? lock_downgrade+0x900/0x900 [ 365.419362] ? check_preemption_disabled+0x48/0x280 [ 365.424382] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 365.429313] ? kasan_check_read+0x11/0x20 [ 365.433501] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 365.438783] ? rcu_softirq_qs+0x20/0x20 [ 365.442773] ? filemap_map_pages+0xd92/0x1a20 [ 365.447289] ? find_get_entries_tag+0x1400/0x1400 [ 365.452134] ? ep_scan_ready_list+0xbc7/0x1050 [ 365.456723] ? trace_hardirqs_off_caller+0x310/0x310 [ 365.461857] ? lock_acquire+0x1ed/0x520 [ 365.465832] ? ext4_filemap_fault+0x7a/0xad [ 365.470161] ? lock_release+0xa00/0xa00 [ 365.474136] ? perf_trace_sched_process_exec+0x860/0x860 [ 365.479589] ? print_usage_bug+0xc0/0xc0 [ 365.483652] ? print_usage_bug+0xc0/0xc0 [ 365.487726] ? down_read+0x8d/0x120 [ 365.491355] ? ext4_filemap_fault+0x7a/0xad [ 365.495679] ? __down_interruptible+0x700/0x700 [ 365.500387] ext4_filemap_fault+0x82/0xad [ 365.504543] __do_fault+0x100/0x6b0 [ 365.508178] ? pmd_devmap_trans_unstable+0x220/0x220 [ 365.513285] ? mark_held_locks+0x130/0x130 [ 365.517524] ? mark_held_locks+0x130/0x130 [ 365.521759] ? kasan_check_read+0x11/0x20 [ 365.525925] ? ep_poll+0xffa/0x13d0 [ 365.529555] ? trace_hardirqs_off_caller+0x310/0x310 [ 365.534669] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 365.540211] __handle_mm_fault+0x3ea0/0x5be0 [ 365.544618] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.550167] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 365.555022] ? do_epoll_create+0x590/0x590 [ 365.559266] ? kasan_check_read+0x11/0x20 [ 365.563420] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 365.568698] ? rcu_softirq_qs+0x20/0x20 [ 365.572686] ? zap_class+0x640/0x640 [ 365.576398] ? zap_class+0x640/0x640 [ 365.580117] ? find_held_lock+0x36/0x1c0 [ 365.584192] ? handle_mm_fault+0x42a/0xc70 [ 365.588429] ? lock_downgrade+0x900/0x900 [ 365.592586] ? check_preemption_disabled+0x48/0x280 [ 365.597606] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 365.602535] ? kasan_check_read+0x11/0x20 [ 365.606684] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 365.611965] ? rcu_softirq_qs+0x20/0x20 [ 365.615941] ? trace_hardirqs_off_caller+0x310/0x310 [ 365.621056] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 365.626595] ? check_preemption_disabled+0x48/0x280 [ 365.631624] handle_mm_fault+0x54f/0xc70 [ 365.635689] ? __handle_mm_fault+0x5be0/0x5be0 [ 365.640275] ? find_vma+0x34/0x190 [ 365.643820] __do_page_fault+0x5e8/0xe60 [ 365.647890] ? trace_hardirqs_off+0xb8/0x310 [ 365.652301] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 365.657848] do_page_fault+0xf2/0x7e0 [ 365.661652] ? vmalloc_sync_all+0x30/0x30 [ 365.665803] ? error_entry+0x70/0xd0 [ 365.669520] ? trace_hardirqs_off_caller+0xbb/0x310 [ 365.674534] ? trace_hardirqs_on_caller+0xc0/0x310 [ 365.679470] ? syscall_return_slowpath+0x5e0/0x5e0 [ 365.684397] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 365.689245] ? trace_hardirqs_on_caller+0x310/0x310 [ 365.694260] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 365.699716] ? prepare_exit_to_usermode+0x291/0x3b0 [ 365.704740] ? page_fault+0x8/0x30 [ 365.708282] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 365.713125] ? page_fault+0x8/0x30 [ 365.716666] page_fault+0x1e/0x30 [ 365.720117] RIP: 0033:0x45df89 [ 365.723351] Code: Bad RIP value. [ 365.726714] RSP: 002b:000000c42017b850 EFLAGS: 00010246 [ 365.732104] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89 [ 365.739388] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004 [ 365.746658] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500 [ 365.753941] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8 [ 365.761209] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff [ 365.768531] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145 [ 365.768595] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 365.775901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 365.775906] Call Trace: [ 365.775913] [ 365.775933] dump_stack+0x244/0x39d [ 365.775951] ? dump_stack_print_info.cold.1+0x20/0x20 [ 365.782512] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 365.791785] warn_alloc.cold.116+0xb7/0x1bd [ 365.794335] syz-fuzzer cpuset=/ mems_allowed=0 [ 365.796481] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 365.829176] ? lock_downgrade+0x900/0x900 [ 365.833340] ? trace_hardirqs_off+0xb8/0x310 [ 365.837759] ? trace_hardirqs_off+0xb8/0x310 [ 365.842180] __alloc_pages_slowpath+0x26e8/0x2e10 [ 365.847110] ? warn_alloc+0x120/0x120 [ 365.850920] ? print_usage_bug+0xc0/0xc0 [ 365.854981] ? warn_alloc+0x120/0x120 [ 365.858790] ? warn_alloc+0x120/0x120 [ 365.862591] ? print_usage_bug+0xc0/0xc0 [ 365.866658] ? print_usage_bug+0xc0/0xc0 [ 365.870723] ? __lock_acquire+0x62f/0x4c20 [ 365.874968] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 365.880509] ? should_fail+0x22d/0xd01 [ 365.884404] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 365.889508] ? __lock_acquire+0x62f/0x4c20 [ 365.893752] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 365.898855] ? __lock_acquire+0x62f/0x4c20 [ 365.903092] ? should_fail+0x22d/0xd01 [ 365.906998] ? find_held_lock+0x36/0x1c0 [ 365.911081] ? mark_held_locks+0x130/0x130 [ 365.915321] ? mark_held_locks+0x130/0x130 [ 365.919557] ? zap_class+0x640/0x640 [ 365.923274] ? zap_class+0x640/0x640 [ 365.926989] ? print_usage_bug+0xc0/0xc0 [ 365.931057] ? do_raw_spin_unlock+0xa7/0x330 [ 365.935468] ? zap_class+0x640/0x640 [ 365.939185] ? print_usage_bug+0xc0/0xc0 [ 365.943249] ? wq_watchdog_touch+0x9c/0xfe [ 365.947491] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.953211] ? check_preemption_disabled+0x48/0x280 [ 365.958240] ? __lock_is_held+0xb5/0x140 [ 365.962308] __alloc_pages_nodemask+0xa80/0xde0 [ 365.966975] ? zap_class+0x640/0x640 [ 365.970699] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 365.975727] ? find_held_lock+0x36/0x1c0 [ 365.979806] ? ____cache_alloc_node+0x1c7/0x1e0 [ 365.984482] ? lock_downgrade+0x900/0x900 [ 365.988644] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.994187] cache_grow_begin+0xa5/0x8c0 [ 365.998250] ? do_raw_spin_unlock+0xa7/0x330 [ 366.002666] fallback_alloc+0x204/0x2e0 [ 366.006650] ____cache_alloc_node+0x1c7/0x1e0 [ 366.011156] kmem_cache_alloc_node+0xe3/0x730 [ 366.015655] ? ipv6_get_ifaddr+0x42e/0x620 [ 366.019900] __alloc_skb+0x119/0x770 [ 366.023613] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 366.028893] ? netdev_alloc_frag+0x1f0/0x1f0 [ 366.033303] ? lock_downgrade+0x900/0x900 [ 366.037460] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.043002] ? refcount_sub_and_test_checked+0x203/0x310 [ 366.048465] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 366.053918] ? addrconf_rs_timer+0x690/0x690 [ 366.058352] ndisc_alloc_skb+0x144/0x340 [ 366.062420] ndisc_send_rs+0x331/0x6e0 [ 366.066318] addrconf_rs_timer+0x314/0x690 [ 366.070564] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 366.074816] call_timer_fn+0x272/0x920 [ 366.078704] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 366.082938] ? process_timeout+0x40/0x40 [ 366.087007] ? __run_timers+0x7da/0xc70 [ 366.090993] ? _raw_spin_unlock_irq+0x27/0x80 [ 366.095491] ? _raw_spin_unlock_irq+0x27/0x80 [ 366.099984] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 366.104231] ? lockdep_hardirqs_on+0x296/0x5b0 [ 366.108821] ? trace_hardirqs_on+0xbd/0x310 [ 366.113142] ? kasan_check_read+0x11/0x20 [ 366.117292] ? __run_timers+0x7da/0xc70 [ 366.121266] ? trace_hardirqs_off_caller+0x310/0x310 [ 366.126377] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 366.130618] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 366.134852] __run_timers+0x7e5/0xc70 [ 366.138663] ? timer_fixup_init+0x70/0x70 [ 366.142815] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 366.147831] ? zap_class+0x640/0x640 [ 366.151559] ? enqueue_hrtimer+0x1a5/0x560 [ 366.155797] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 366.160993] ? find_held_lock+0x36/0x1c0 [ 366.165076] ? zap_class+0x640/0x640 [ 366.168801] ? pvclock_read_flags+0x160/0x160 [ 366.173318] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.178860] ? check_preemption_disabled+0x48/0x280 [ 366.183889] ? __lock_is_held+0xb5/0x140 [ 366.187954] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.193494] ? check_preemption_disabled+0x48/0x280 [ 366.198517] run_timer_softirq+0x52/0xb0 [ 366.202587] ? rcu_read_lock_sched_held+0x14f/0x180 [ 366.207636] __do_softirq+0x308/0xb7e [ 366.211440] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 366.215934] ? lock_downgrade+0x900/0x900 [ 366.220090] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 366.225201] ? pvclock_read_flags+0x160/0x160 [ 366.229718] ? lapic_next_event+0x5a/0x90 [ 366.233869] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.239412] ? kvm_clock_read+0x18/0x30 [ 366.243388] ? kvm_sched_clock_read+0x9/0x20 [ 366.247800] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.253351] ? check_preemption_disabled+0x48/0x280 [ 366.258381] irq_exit+0x17f/0x1c0 [ 366.261837] smp_apic_timer_interrupt+0x1cb/0x760 [ 366.266680] ? smp_reschedule_interrupt+0x109/0x650 [ 366.271701] ? smp_call_function_single_interrupt+0x650/0x650 [ 366.277588] ? interrupt_entry+0xb5/0xc0 [ 366.281650] ? trace_hardirqs_off_caller+0xbb/0x310 [ 366.286667] ? trace_hardirqs_off_caller+0xbb/0x310 [ 366.291688] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 366.296533] ? trace_hardirqs_on_caller+0x310/0x310 [ 366.301560] ? trace_hardirqs_on_caller+0x310/0x310 [ 366.306591] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 366.311445] apic_timer_interrupt+0xf/0x20 [ 366.315676] [ 366.317920] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 366.322848] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7 [ 366.341750] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 366.349453] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 366.356721] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286 [ 366.363988] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000 [ 366.371260] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 366.378526] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020 [ 366.385842] skb_clone+0x1bb/0x500 [ 366.389391] ? finish_task_switch+0x2f4/0x910 [ 366.393902] ? skb_split+0x11e0/0x11e0 [ 366.397820] ? preempt_notifier_register+0x200/0x200 [ 366.402920] ? __switch_to_asm+0x34/0x70 [ 366.406984] ? __switch_to_asm+0x34/0x70 [ 366.411049] ? __switch_to_asm+0x40/0x70 [ 366.415109] ? __switch_to_asm+0x34/0x70 [ 366.419165] ? __switch_to_asm+0x40/0x70 [ 366.423228] ? __switch_to_asm+0x34/0x70 [ 366.427288] ? __switch_to_asm+0x40/0x70 [ 366.431350] ? __switch_to_asm+0x34/0x70 [ 366.435409] ? __switch_to_asm+0x34/0x70 [ 366.439466] ? __switch_to_asm+0x40/0x70 [ 366.443522] ? __switch_to_asm+0x34/0x70 [ 366.447595] bpf_clone_redirect+0xb9/0x490 [ 366.451831] ? __schedule+0x8d7/0x21d0 [ 366.455723] bpf_prog_bebbfe2050753572+0x1d8/0x1000 [ 366.460744] ? __sched_text_start+0x8/0x8 [ 366.464899] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 366.469479] ? retint_kernel+0x2d/0x2d [ 366.473370] ? trace_hardirqs_on_caller+0xc0/0x310 [ 366.478307] ? find_held_lock+0x36/0x1c0 [ 366.482375] ? lock_acquire+0x1ed/0x520 [ 366.486353] ? bpf_test_run+0x3cb/0x780 [ 366.490329] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.495869] ? check_preemption_disabled+0x48/0x280 [ 366.500890] ? kasan_check_read+0x11/0x20 [ 366.505048] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 366.510328] ? rcu_softirq_qs+0x20/0x20 [ 366.514307] ? preempt_schedule+0x4d/0x60 [ 366.518458] ? ___preempt_schedule+0x16/0x18 [ 366.522874] ? bpf_test_run+0x25d/0x780 [ 366.526858] ? netlink_diag_dump+0x2a0/0x2a0 [ 366.531272] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 366.536809] ? bpf_test_init.isra.10+0x70/0x100 [ 366.541483] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 366.546596] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 366.551448] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 366.556988] ? fput+0x130/0x1a0 [ 366.560280] ? __bpf_prog_get+0x9b/0x290 [ 366.564350] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 366.569193] ? bpf_prog_test_run+0x130/0x1a0 [ 366.573610] ? __x64_sys_bpf+0x3d8/0x520 [ 366.577670] ? bpf_prog_get+0x20/0x20 [ 366.581490] ? do_syscall_64+0x1b9/0x820 [ 366.585558] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 366.590924] ? syscall_return_slowpath+0x5e0/0x5e0 [ 366.595863] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 366.600715] ? trace_hardirqs_on_caller+0x310/0x310 [ 366.605737] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 366.610931] ? prepare_exit_to_usermode+0x291/0x3b0 [ 366.615946] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 366.620797] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 366.626184] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145 [ 366.626190] warn_alloc_show_mem: 1 callbacks suppressed [ 366.626197] Mem-Info: [ 366.633206] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 366.638576] active_anon:51179 inactive_anon:236 isolated_anon:0 [ 366.638576] active_file:17 inactive_file:9 isolated_file:0 [ 366.638576] unevictable:0 dirty:0 writeback:0 unstable:0 [ 366.638576] slab_reclaimable:9362 slab_unreclaimable:1467319 [ 366.638576] mapped:16386 shmem:283 pagetables:457 bounce:0 [ 366.638576] free:13694 free_pcp:258 free_cma:0 [ 366.640946] Call Trace: [ 366.650340] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 366.683101] [ 366.685671] 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 [ 366.713178] dump_stack+0x244/0x39d [ 366.715308] lowmem_reserve[]: 0 2818 6321 6321 [ 366.741423] ? dump_stack_print_info.cold.1+0x20/0x20 [ 366.745543] Node 0 DMA32 free:24972kB 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:0kB local_pcp:0kB free_cma:0kB [ 366.750127] warn_alloc.cold.116+0xb7/0x1bd [ 366.755279] lowmem_reserve[]: 0 0 3503 3503 [ 366.782435] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 366.786730] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB [ 366.791056] ? lock_downgrade+0x900/0x900 [ 366.795867] lowmem_reserve[]: 0 0 0 0 [ 366.829194] ? trace_hardirqs_off+0xb8/0x310 [ 366.833318] 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 [ 366.837137] ? trace_hardirqs_off+0xb8/0x310 [ 366.841518] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB [ 366.855081] __alloc_pages_slowpath+0x26e8/0x2e10 [ 366.859442] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB [ 366.874634] ? warn_alloc+0x120/0x120 [ 366.879434] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 366.893642] ? print_usage_bug+0xc0/0xc0 [ 366.897424] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 366.906251] ? warn_alloc+0x120/0x120 [ 366.910288] 309 total pagecache pages [ 366.918864] ? warn_alloc+0x120/0x120 [ 366.922646] 0 pages in swap cache [ 366.926451] ? print_usage_bug+0xc0/0xc0 [ 366.930232] Swap cache stats: add 0, delete 0, find 0/0 [ 366.933676] ? kvm_clock_read+0x18/0x30 [ 366.937715] Free swap = 0kB [ 366.943074] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 366.947027] Total swap = 0kB [ 366.950055] ? print_usage_bug+0xc0/0xc0 [ 366.955051] 1965979 pages RAM [ 366.958068] ? __lock_acquire+0x62f/0x4c20 [ 366.962107] 0 pages HighMem/MovableOnly [ 366.965212] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 366.969419] 342853 pages reserved [ 366.973386] ? should_fail+0x22d/0xd01 [ 366.978900] 0 pages cma reserved [ 366.982351] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 366.986277] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 366.989590] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 366.995012] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 367.001326] ? __lock_acquire+0x62f/0x4c20 [ 367.006407] syz-executor2 cpuset=syz2 mems_allowed=0 [ 367.016886] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 367.031275] ? __lock_acquire+0x62f/0x4c20 [ 367.035509] ? should_fail+0x22d/0xd01 [ 367.039427] ? rcu_irq_exit+0x1a2/0x390 [ 367.043411] ? mark_held_locks+0x130/0x130 [ 367.047655] ? mark_held_locks+0x130/0x130 [ 367.051902] ? mark_held_locks+0xc7/0x130 [ 367.056062] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 367.061086] ? zap_class+0x640/0x640 [ 367.064807] ? print_usage_bug+0xc0/0xc0 [ 367.068874] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.074414] ? check_preemption_disabled+0x48/0x280 [ 367.079443] ? __lock_is_held+0xb5/0x140 [ 367.083518] __alloc_pages_nodemask+0xa80/0xde0 [ 367.088190] ? zap_class+0x640/0x640 [ 367.091910] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 367.096951] ? find_held_lock+0x36/0x1c0 [ 367.101031] ? ____cache_alloc_node+0x1c7/0x1e0 [ 367.105709] ? lock_downgrade+0x900/0x900 [ 367.109878] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.115422] cache_grow_begin+0xa5/0x8c0 [ 367.119486] ? do_raw_spin_unlock+0xa7/0x330 [ 367.123902] fallback_alloc+0x204/0x2e0 [ 367.127895] ____cache_alloc_node+0x1c7/0x1e0 [ 367.132396] kmem_cache_alloc_node+0xe3/0x730 [ 367.136897] ? ipv6_get_ifaddr+0x42e/0x620 [ 367.141149] __alloc_skb+0x119/0x770 [ 367.144868] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 367.150161] ? netdev_alloc_frag+0x1f0/0x1f0 [ 367.154581] ? lock_downgrade+0x900/0x900 [ 367.158741] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.164280] ? refcount_sub_and_test_checked+0x203/0x310 [ 367.169734] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 367.175199] ? addrconf_rs_timer+0x690/0x690 [ 367.179632] ndisc_alloc_skb+0x144/0x340 [ 367.183751] ndisc_send_rs+0x331/0x6e0 [ 367.187645] addrconf_rs_timer+0x314/0x690 [ 367.191885] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 367.196141] call_timer_fn+0x272/0x920 [ 367.200034] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 367.204279] ? process_timeout+0x40/0x40 [ 367.208351] ? mark_held_locks+0xc7/0x130 [ 367.212505] ? _raw_spin_unlock_irq+0x27/0x80 [ 367.217002] ? _raw_spin_unlock_irq+0x27/0x80 [ 367.221594] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 367.225845] ? lockdep_hardirqs_on+0x296/0x5b0 [ 367.230429] ? trace_hardirqs_on+0xbd/0x310 [ 367.234756] ? kasan_check_read+0x11/0x20 [ 367.238903] ? __run_timers+0x7da/0xc70 [ 367.242880] ? trace_hardirqs_off_caller+0x310/0x310 [ 367.247993] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 367.252243] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 367.256478] __run_timers+0x7e5/0xc70 [ 367.260292] ? timer_fixup_init+0x70/0x70 [ 367.264445] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 367.269465] ? zap_class+0x640/0x640 [ 367.273190] ? print_usage_bug+0xc0/0xc0 [ 367.277255] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 367.282455] ? find_held_lock+0x36/0x1c0 [ 367.286524] ? zap_class+0x640/0x640 [ 367.290246] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.295801] ? check_preemption_disabled+0x48/0x280 [ 367.300829] ? __lock_is_held+0xb5/0x140 [ 367.304892] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.310436] ? check_preemption_disabled+0x48/0x280 [ 367.315461] run_timer_softirq+0x52/0xb0 [ 367.319529] ? rcu_read_lock_sched_held+0x14f/0x180 [ 367.324549] __do_softirq+0x308/0xb7e [ 367.328355] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 367.332868] ? lock_downgrade+0x900/0x900 [ 367.337052] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 367.342196] ? pvclock_read_flags+0x160/0x160 [ 367.346694] ? lapic_next_event+0x5a/0x90 [ 367.350849] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.356391] ? kvm_clock_read+0x18/0x30 [ 367.360364] ? kvm_sched_clock_read+0x9/0x20 [ 367.364776] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.370316] ? check_preemption_disabled+0x48/0x280 [ 367.375356] irq_exit+0x17f/0x1c0 [ 367.378815] smp_apic_timer_interrupt+0x1cb/0x760 [ 367.383656] ? smp_reschedule_interrupt+0x109/0x650 [ 367.388677] ? smp_call_function_single_interrupt+0x650/0x650 [ 367.394564] ? interrupt_entry+0xb5/0xc0 [ 367.398628] ? trace_hardirqs_off_caller+0xbb/0x310 [ 367.403646] ? trace_hardirqs_off_caller+0xbb/0x310 [ 367.408668] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 367.413511] ? trace_hardirqs_on_caller+0x310/0x310 [ 367.418529] ? trace_hardirqs_on_caller+0x310/0x310 [ 367.423552] ? task_prio+0x50/0x50 [ 367.427106] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.432646] ? check_preemption_disabled+0x48/0x280 [ 367.437678] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 367.442531] apic_timer_interrupt+0xf/0x20 [ 367.446760] [ 367.449005] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 367.454207] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 367.473109] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 367.480815] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e [ 367.488085] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc [ 367.495357] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 367.502624] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000 [ 367.509903] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 367.517210] retint_kernel+0x1b/0x2d [ 367.520930] RIP: 0010:dump_stack+0x358/0x39d [ 367.525355] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 367.544254] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 367.551963] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e [ 367.559233] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 367.566501] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 367.573782] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45 [ 367.581056] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 367.588349] ? dump_stack+0x34f/0x39d [ 367.592169] ? dump_stack_print_info.cold.1+0x20/0x20 [ 367.597363] ? mark_held_locks+0x130/0x130 [ 367.601598] ? mark_held_locks+0x130/0x130 [ 367.605841] dump_header+0x27b/0xf72 [ 367.609570] ? pagefault_out_of_memory+0x197/0x197 [ 367.614526] ? __lock_acquire+0x62f/0x4c20 [ 367.618768] ? percpu_ref_get_many+0x240/0x240 [ 367.623356] ? print_usage_bug+0xc0/0xc0 [ 367.627436] ? zap_class+0x640/0x640 [ 367.631156] ? print_usage_bug+0xc0/0xc0 [ 367.635234] ? print_usage_bug+0xc0/0xc0 [ 367.639302] ? zap_class+0x640/0x640 [ 367.643030] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.648579] ? find_held_lock+0x36/0x1c0 [ 367.652664] ? mark_held_locks+0xc7/0x130 [ 367.656816] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 367.661918] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 367.667030] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 367.671622] ? trace_hardirqs_on+0xbd/0x310 [ 367.675944] ? kasan_check_read+0x11/0x20 [ 367.680091] ? ___ratelimit+0x3b4/0x672 [ 367.684077] ? trace_hardirqs_off_caller+0x310/0x310 [ 367.689217] ? trace_hardirqs_on+0x310/0x310 [ 367.693638] ? lock_downgrade+0x900/0x900 [ 367.697809] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 367.702912] ? ___ratelimit+0x3b9/0x672 [ 367.706888] ? idr_get_free+0xf70/0xf70 [ 367.710874] ? find_held_lock+0x36/0x1c0 [ 367.714950] oom_kill_process.cold.27+0x10/0x903 [ 367.719722] ? zap_class+0x640/0x640 [ 367.723437] ? check_preemption_disabled+0x48/0x280 [ 367.728463] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 367.733424] ? kasan_check_read+0x11/0x20 [ 367.737590] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 367.742871] ? oom_evaluate_task+0x540/0x540 [ 367.747283] ? find_held_lock+0x36/0x1c0 [ 367.751355] ? out_of_memory+0x974/0x1430 [ 367.755503] ? lock_downgrade+0x900/0x900 [ 367.759666] ? check_preemption_disabled+0x48/0x280 [ 367.764693] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 367.769630] ? kasan_check_read+0x11/0x20 [ 367.773777] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 367.779062] ? rcu_softirq_qs+0x20/0x20 [ 367.783068] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 367.788609] ? oom_evaluate_task+0x302/0x540 [ 367.793029] out_of_memory+0xa84/0x1430 [ 367.797037] ? oom_killer_disable+0x3a0/0x3a0 [ 367.801540] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 367.806475] ? __ww_mutex_check_waiters+0x160/0x160 [ 367.811533] __alloc_pages_slowpath+0x2354/0x2e10 [ 367.816406] ? warn_alloc+0x120/0x120 [ 367.820209] ? mark_held_locks+0x130/0x130 [ 367.824458] ? find_get_entry+0xaae/0x1120 [ 367.828702] ? filemap_map_pages+0x1a20/0x1a20 [ 367.833296] ? zap_class+0x640/0x640 [ 367.837026] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.842575] ? check_preemption_disabled+0x48/0x280 [ 367.847592] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 367.853131] ? should_fail+0x22d/0xd01 [ 367.857032] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 367.862144] ? zap_class+0x640/0x640 [ 367.865883] ? __lock_is_held+0xb5/0x140 [ 367.869969] ? mark_held_locks+0x130/0x130 [ 367.874207] ? lock_release+0xa00/0xa00 [ 367.878187] ? perf_trace_sched_process_exec+0x860/0x860 [ 367.883639] ? xa_load+0x2ba/0x460 [ 367.887187] ? lock_downgrade+0x900/0x900 [ 367.891345] ? __might_sleep+0x95/0x190 [ 367.895327] __alloc_pages_nodemask+0xa80/0xde0 [ 367.900027] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 367.905058] ? __page_cache_alloc+0x191/0x5c0 [ 367.909559] ? xa_load+0x2e1/0x460 [ 367.913111] ? xa_clear_mark+0x40/0x40 [ 367.917000] ? zap_class+0x640/0x640 [ 367.920744] ? zap_class+0x640/0x640 [ 367.924457] ? zap_class+0x640/0x640 [ 367.928178] ? __do_page_cache_readahead+0x663/0x810 [ 367.933292] ? find_held_lock+0x36/0x1c0 [ 367.937361] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 367.942917] alloc_pages_current+0x173/0x350 [ 367.947384] __page_cache_alloc+0x38c/0x5c0 [ 367.951707] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 367.956653] ? kasan_check_read+0x11/0x20 [ 367.960802] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 367.966082] ? generic_perform_write+0x6a0/0x6a0 [ 367.970843] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 367.976414] ? check_preemption_disabled+0x48/0x280 [ 367.981444] filemap_fault+0x1595/0x25f0 [ 367.985554] ? __lock_page_or_retry+0xa00/0xa00 [ 367.990225] ? mark_held_locks+0x130/0x130 [ 367.994471] ? filemap_map_pages+0xd6b/0x1a20 [ 367.998970] ? lock_downgrade+0x900/0x900 [ 368.003130] ? check_preemption_disabled+0x48/0x280 [ 368.008151] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 368.013084] ? kasan_check_read+0x11/0x20 [ 368.017237] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 368.022515] ? rcu_softirq_qs+0x20/0x20 [ 368.026503] ? filemap_map_pages+0xd92/0x1a20 [ 368.031013] ? find_get_entries_tag+0x1400/0x1400 [ 368.035875] ? ep_scan_ready_list+0xbc7/0x1050 [ 368.040465] ? trace_hardirqs_off_caller+0x310/0x310 [ 368.045590] ? lock_acquire+0x1ed/0x520 [ 368.049564] ? ext4_filemap_fault+0x7a/0xad [ 368.053908] ? lock_release+0xa00/0xa00 [ 368.057905] ? perf_trace_sched_process_exec+0x860/0x860 [ 368.063359] ? print_usage_bug+0xc0/0xc0 [ 368.067424] ? print_usage_bug+0xc0/0xc0 [ 368.071502] ? down_read+0x8d/0x120 [ 368.075127] ? ext4_filemap_fault+0x7a/0xad [ 368.079454] ? __down_interruptible+0x700/0x700 [ 368.084133] ext4_filemap_fault+0x82/0xad [ 368.088284] __do_fault+0x100/0x6b0 [ 368.091922] ? pmd_devmap_trans_unstable+0x220/0x220 [ 368.097045] ? mark_held_locks+0x130/0x130 [ 368.101283] ? mark_held_locks+0x130/0x130 [ 368.105524] ? kasan_check_read+0x11/0x20 [ 368.109678] ? ep_poll+0xffa/0x13d0 [ 368.113313] ? trace_hardirqs_off_caller+0x310/0x310 [ 368.118431] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 368.123984] __handle_mm_fault+0x3ea0/0x5be0 [ 368.128413] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.133972] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 368.138839] ? do_epoll_create+0x590/0x590 [ 368.143073] ? kasan_check_read+0x11/0x20 [ 368.147225] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 368.152533] ? rcu_softirq_qs+0x20/0x20 [ 368.156566] ? zap_class+0x640/0x640 [ 368.160285] ? zap_class+0x640/0x640 [ 368.164010] ? find_held_lock+0x36/0x1c0 [ 368.168105] ? handle_mm_fault+0x42a/0xc70 [ 368.172346] ? lock_downgrade+0x900/0x900 [ 368.176497] ? check_preemption_disabled+0x48/0x280 [ 368.181555] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 368.186503] ? kasan_check_read+0x11/0x20 [ 368.190650] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 368.195928] ? rcu_softirq_qs+0x20/0x20 [ 368.199921] ? trace_hardirqs_off_caller+0x310/0x310 [ 368.205034] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 368.210585] ? check_preemption_disabled+0x48/0x280 [ 368.215611] handle_mm_fault+0x54f/0xc70 [ 368.219676] ? __handle_mm_fault+0x5be0/0x5be0 [ 368.224280] ? find_vma+0x34/0x190 [ 368.227828] __do_page_fault+0x5e8/0xe60 [ 368.231906] ? trace_hardirqs_off+0xb8/0x310 [ 368.236359] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 368.241950] do_page_fault+0xf2/0x7e0 [ 368.245754] ? vmalloc_sync_all+0x30/0x30 [ 368.249932] ? error_entry+0x70/0xd0 [ 368.253663] ? trace_hardirqs_off_caller+0xbb/0x310 [ 368.258676] ? trace_hardirqs_on_caller+0xc0/0x310 [ 368.263606] ? syscall_return_slowpath+0x5e0/0x5e0 [ 368.268537] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 368.273385] ? trace_hardirqs_on_caller+0x310/0x310 [ 368.278432] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 368.283897] ? prepare_exit_to_usermode+0x291/0x3b0 [ 368.288939] ? page_fault+0x8/0x30 [ 368.292482] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 368.297327] ? page_fault+0x8/0x30 [ 368.300884] page_fault+0x1e/0x30 [ 368.304335] RIP: 0033:0x45df89 [ 368.307541] Code: Bad RIP value. [ 368.310904] RSP: 002b:000000c42017b850 EFLAGS: 00010246 [ 368.316265] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89 [ 368.323532] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004 [ 368.330806] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500 [ 368.338089] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8 [ 368.345357] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff [ 368.352651] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145 [ 368.352734] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 368.360009] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 368.360027] Call Trace: [ 368.366649] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 368.375883] [ 368.378453] syz-fuzzer cpuset=/ mems_allowed=0 [ 368.388696] dump_stack+0x244/0x39d [ 368.399026] ? dump_stack_print_info.cold.1+0x20/0x20 [ 368.404237] warn_alloc.cold.116+0xb7/0x1bd [ 368.408577] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 368.413424] ? lock_downgrade+0x900/0x900 [ 368.417585] ? trace_hardirqs_off+0xb8/0x310 [ 368.422005] ? trace_hardirqs_off+0xb8/0x310 [ 368.426434] __alloc_pages_slowpath+0x26e8/0x2e10 [ 368.431324] ? warn_alloc+0x120/0x120 [ 368.435134] ? warn_alloc+0x120/0x120 [ 368.438941] ? warn_alloc+0x120/0x120 [ 368.442744] ? print_usage_bug+0xc0/0xc0 [ 368.446804] ? idle_cpu+0x1d0/0x1d0 [ 368.450432] ? kvm_sched_clock_read+0x9/0x20 [ 368.454861] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 368.459893] ? print_usage_bug+0xc0/0xc0 [ 368.463969] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 368.469522] ? should_fail+0x22d/0xd01 [ 368.473427] ? __lock_acquire+0x62f/0x4c20 [ 368.477665] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 368.482768] ? __lock_acquire+0x62f/0x4c20 [ 368.487014] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 368.492127] ? __lock_acquire+0x62f/0x4c20 [ 368.496394] ? should_fail+0x22d/0xd01 [ 368.500292] ? mark_held_locks+0x130/0x130 [ 368.504537] ? mark_held_locks+0x130/0x130 [ 368.508798] ? __enqueue_entity+0x10d/0x1f0 [ 368.513139] ? zap_class+0x640/0x640 [ 368.516856] ? print_usage_bug+0xc0/0xc0 [ 368.520915] ? __lock_acquire+0x62f/0x4c20 [ 368.525155] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.530695] ? check_preemption_disabled+0x48/0x280 [ 368.535722] ? __lock_is_held+0xb5/0x140 [ 368.539791] __alloc_pages_nodemask+0xa80/0xde0 [ 368.544463] ? zap_class+0x640/0x640 [ 368.548186] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 368.553216] ? find_held_lock+0x36/0x1c0 [ 368.557288] ? ____cache_alloc_node+0x1c7/0x1e0 [ 368.561962] ? lock_downgrade+0x900/0x900 [ 368.566124] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.571681] cache_grow_begin+0xa5/0x8c0 [ 368.575782] ? do_raw_spin_unlock+0xa7/0x330 [ 368.580218] fallback_alloc+0x204/0x2e0 [ 368.584204] ____cache_alloc_node+0x1c7/0x1e0 [ 368.588710] kmem_cache_alloc_node+0xe3/0x730 [ 368.593213] ? ipv6_get_ifaddr+0x42e/0x620 [ 368.597459] __alloc_skb+0x119/0x770 [ 368.601219] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 368.606528] ? netdev_alloc_frag+0x1f0/0x1f0 [ 368.611113] ? lock_downgrade+0x900/0x900 [ 368.615285] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.620828] ? refcount_sub_and_test_checked+0x203/0x310 [ 368.626288] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 368.631756] ? addrconf_rs_timer+0x690/0x690 [ 368.636179] ndisc_alloc_skb+0x144/0x340 [ 368.640257] ndisc_send_rs+0x331/0x6e0 [ 368.644155] addrconf_rs_timer+0x314/0x690 [ 368.648397] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 368.652658] call_timer_fn+0x272/0x920 [ 368.656558] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 368.660799] ? process_timeout+0x40/0x40 [ 368.664871] ? __run_timers+0x7da/0xc70 [ 368.668876] ? _raw_spin_unlock_irq+0x27/0x80 [ 368.673370] ? _raw_spin_unlock_irq+0x27/0x80 [ 368.677865] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 368.682104] ? lockdep_hardirqs_on+0x296/0x5b0 [ 368.686691] ? trace_hardirqs_on+0xbd/0x310 [ 368.691042] ? kasan_check_read+0x11/0x20 [ 368.695190] ? __run_timers+0x7da/0xc70 [ 368.699173] ? trace_hardirqs_off_caller+0x310/0x310 [ 368.704293] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 368.708560] __run_timers+0x7e5/0xc70 [ 368.712386] ? timer_fixup_init+0x70/0x70 [ 368.716559] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 368.721586] ? zap_class+0x640/0x640 [ 368.725306] ? enqueue_hrtimer+0x1a5/0x560 [ 368.729548] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 368.734748] ? find_held_lock+0x36/0x1c0 [ 368.738833] ? zap_class+0x640/0x640 [ 368.743088] ? pvclock_read_flags+0x160/0x160 [ 368.747591] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.753137] ? check_preemption_disabled+0x48/0x280 [ 368.758165] ? __lock_is_held+0xb5/0x140 [ 368.762232] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.767787] ? check_preemption_disabled+0x48/0x280 [ 368.772835] run_timer_softirq+0x52/0xb0 [ 368.776911] ? rcu_read_lock_sched_held+0x14f/0x180 [ 368.781927] __do_softirq+0x308/0xb7e [ 368.785749] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 368.790245] ? lock_downgrade+0x900/0x900 [ 368.794414] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 368.799531] ? pvclock_read_flags+0x160/0x160 [ 368.804045] ? lapic_next_event+0x5a/0x90 [ 368.808203] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.813746] ? kvm_clock_read+0x18/0x30 [ 368.817720] ? kvm_sched_clock_read+0x9/0x20 [ 368.822134] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.827674] ? check_preemption_disabled+0x48/0x280 [ 368.832705] irq_exit+0x17f/0x1c0 [ 368.836164] smp_apic_timer_interrupt+0x1cb/0x760 [ 368.841006] ? smp_reschedule_interrupt+0x109/0x650 [ 368.846066] ? smp_call_function_single_interrupt+0x650/0x650 [ 368.851951] ? interrupt_entry+0xb5/0xc0 [ 368.856013] ? trace_hardirqs_off_caller+0xbb/0x310 [ 368.861054] ? trace_hardirqs_off_caller+0xbb/0x310 [ 368.866091] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 368.870950] ? trace_hardirqs_on_caller+0x310/0x310 [ 368.875970] ? trace_hardirqs_on_caller+0x310/0x310 [ 368.881001] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 368.885875] apic_timer_interrupt+0xf/0x20 [ 368.890102] [ 368.892345] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 368.897277] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7 [ 368.916180] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 368.923893] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 368.931163] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286 [ 368.938430] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000 [ 368.945696] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 368.952966] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020 [ 368.960293] skb_clone+0x1bb/0x500 [ 368.963837] ? finish_task_switch+0x2f4/0x910 [ 368.968334] ? skb_split+0x11e0/0x11e0 [ 368.972227] ? preempt_notifier_register+0x200/0x200 [ 368.977330] ? __switch_to_asm+0x34/0x70 [ 368.981404] ? __switch_to_asm+0x34/0x70 [ 368.985477] ? __switch_to_asm+0x40/0x70 [ 368.989542] ? __switch_to_asm+0x34/0x70 [ 368.993598] ? __switch_to_asm+0x40/0x70 [ 368.997654] ? __switch_to_asm+0x34/0x70 [ 369.001739] ? __switch_to_asm+0x40/0x70 [ 369.005800] ? __switch_to_asm+0x34/0x70 [ 369.009883] ? __switch_to_asm+0x34/0x70 [ 369.013948] ? __switch_to_asm+0x40/0x70 [ 369.018006] ? __switch_to_asm+0x34/0x70 [ 369.022083] bpf_clone_redirect+0xb9/0x490 [ 369.026323] ? __schedule+0x8d7/0x21d0 [ 369.030222] bpf_prog_bebbfe2050753572+0x1d8/0x1000 [ 369.035245] ? __sched_text_start+0x8/0x8 [ 369.039398] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 369.043980] ? retint_kernel+0x2d/0x2d [ 369.047873] ? trace_hardirqs_on_caller+0xc0/0x310 [ 369.052808] ? find_held_lock+0x36/0x1c0 [ 369.056891] ? lock_acquire+0x1ed/0x520 [ 369.060871] ? bpf_test_run+0x3cb/0x780 [ 369.064849] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.070389] ? check_preemption_disabled+0x48/0x280 [ 369.075431] ? kasan_check_read+0x11/0x20 [ 369.079585] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 369.084861] ? rcu_softirq_qs+0x20/0x20 [ 369.088852] ? preempt_schedule+0x4d/0x60 [ 369.093014] ? ___preempt_schedule+0x16/0x18 [ 369.097442] ? bpf_test_run+0x25d/0x780 [ 369.101440] ? netlink_diag_dump+0x2a0/0x2a0 [ 369.105881] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 369.111433] ? bpf_test_init.isra.10+0x70/0x100 [ 369.116112] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 369.120880] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 369.125722] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 369.131263] ? fput+0x130/0x1a0 [ 369.134551] ? __bpf_prog_get+0x9b/0x290 [ 369.138618] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 369.143462] ? bpf_prog_test_run+0x130/0x1a0 [ 369.147874] ? __x64_sys_bpf+0x3d8/0x520 [ 369.151935] ? bpf_prog_get+0x20/0x20 [ 369.155780] ? do_syscall_64+0x1b9/0x820 [ 369.159855] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 369.165221] ? syscall_return_slowpath+0x5e0/0x5e0 [ 369.170151] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 369.174997] ? trace_hardirqs_on_caller+0x310/0x310 [ 369.180031] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 369.185053] ? prepare_exit_to_usermode+0x291/0x3b0 [ 369.190080] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 369.194962] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 369.200342] warn_alloc_show_mem: 1 callbacks suppressed [ 369.200354] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145 [ 369.200356] Mem-Info: [ 369.200388] active_anon:51179 inactive_anon:236 isolated_anon:0 [ 369.200388] active_file:17 inactive_file:9 isolated_file:0 [ 369.200388] unevictable:0 dirty:0 writeback:0 unstable:0 [ 369.200388] slab_reclaimable:9362 slab_unreclaimable:1467319 [ 369.200388] mapped:16386 shmem:283 pagetables:457 bounce:0 [ 369.200388] free:13694 free_pcp:258 free_cma:0 [ 369.205732] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 369.212751] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 369.215150] Call Trace: [ 369.247943] 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 [ 369.257292] [ 369.284782] lowmem_reserve[]: 0 2818 6321 6321 [ 369.287366] dump_stack+0x244/0x39d [ 369.313459] Node 0 DMA32 free:24972kB 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:0kB local_pcp:0kB free_cma:0kB [ 369.315636] ? dump_stack_print_info.cold.1+0x20/0x20 [ 369.320193] lowmem_reserve[]: 0 0 3503 3503 [ 369.323909] warn_alloc.cold.116+0xb7/0x1bd [ 369.351048] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB [ 369.356252] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 369.360551] lowmem_reserve[]: 0 0 0 0 [ 369.364883] ? lock_downgrade+0x900/0x900 [ 369.393829] 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 [ 369.398686] ? trace_hardirqs_off+0xb8/0x310 [ 369.402466] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB [ 369.406628] ? trace_hardirqs_off+0xb8/0x310 [ 369.420127] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB [ 369.424534] __alloc_pages_slowpath+0x26e8/0x2e10 [ 369.439699] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 369.444134] ? warn_alloc+0x120/0x120 [ 369.458309] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 369.463141] ? print_usage_bug+0xc0/0xc0 [ 369.471951] 309 total pagecache pages [ 369.475743] ? warn_alloc+0x120/0x120 [ 369.484301] 0 pages in swap cache [ 369.488350] ? warn_alloc+0x120/0x120 [ 369.492132] Swap cache stats: add 0, delete 0, find 0/0 [ 369.495926] ? print_usage_bug+0xc0/0xc0 [ 369.499359] Free swap = 0kB [ 369.503155] ? kvm_clock_read+0x18/0x30 [ 369.508491] Total swap = 0kB [ 369.512569] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 369.512601] ? print_usage_bug+0xc0/0xc0 [ 369.515599] 1965979 pages RAM [ 369.519563] ? __lock_acquire+0x62f/0x4c20 [ 369.522561] 0 pages HighMem/MovableOnly [ 369.527571] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 369.531605] 342853 pages reserved [ 369.534712] ? should_fail+0x22d/0xd01 [ 369.538920] 0 pages cma reserved [ 369.542900] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 369.548478] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 369.551861] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 369.555815] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 369.559104] ? __lock_acquire+0x62f/0x4c20 [ 369.564378] syz-executor2 cpuset=syz2 mems_allowed=0 [ 369.570863] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 369.600848] ? __lock_acquire+0x62f/0x4c20 [ 369.605085] ? should_fail+0x22d/0xd01 [ 369.608974] ? rcu_irq_exit+0x1a2/0x390 [ 369.612973] ? mark_held_locks+0x130/0x130 [ 369.617214] ? mark_held_locks+0x130/0x130 [ 369.621457] ? mark_held_locks+0xc7/0x130 [ 369.625612] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 369.630629] ? zap_class+0x640/0x640 [ 369.634343] ? print_usage_bug+0xc0/0xc0 [ 369.638413] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.643974] ? check_preemption_disabled+0x48/0x280 [ 369.649007] ? __lock_is_held+0xb5/0x140 [ 369.653095] __alloc_pages_nodemask+0xa80/0xde0 [ 369.657768] ? zap_class+0x640/0x640 [ 369.661487] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 369.666531] ? find_held_lock+0x36/0x1c0 [ 369.670606] ? ____cache_alloc_node+0x1c7/0x1e0 [ 369.675281] ? lock_downgrade+0x900/0x900 [ 369.679441] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.684987] cache_grow_begin+0xa5/0x8c0 [ 369.689064] ? do_raw_spin_unlock+0xa7/0x330 [ 369.693480] fallback_alloc+0x204/0x2e0 [ 369.697461] ____cache_alloc_node+0x1c7/0x1e0 [ 369.701966] kmem_cache_alloc_node+0xe3/0x730 [ 369.706468] ? ipv6_get_ifaddr+0x42e/0x620 [ 369.710716] __alloc_skb+0x119/0x770 [ 369.714433] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 369.719728] ? netdev_alloc_frag+0x1f0/0x1f0 [ 369.724137] ? lock_downgrade+0x900/0x900 [ 369.728294] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.733832] ? refcount_sub_and_test_checked+0x203/0x310 [ 369.739289] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 369.744746] ? addrconf_rs_timer+0x690/0x690 [ 369.749172] ndisc_alloc_skb+0x144/0x340 [ 369.753240] ndisc_send_rs+0x331/0x6e0 [ 369.757136] addrconf_rs_timer+0x314/0x690 [ 369.761378] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.765636] call_timer_fn+0x272/0x920 [ 369.769523] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.773770] ? process_timeout+0x40/0x40 [ 369.777848] ? mark_held_locks+0xc7/0x130 [ 369.782000] ? _raw_spin_unlock_irq+0x27/0x80 [ 369.786506] ? _raw_spin_unlock_irq+0x27/0x80 [ 369.791000] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.795250] ? lockdep_hardirqs_on+0x296/0x5b0 [ 369.799836] ? trace_hardirqs_on+0xbd/0x310 [ 369.804159] ? kasan_check_read+0x11/0x20 [ 369.808310] ? __run_timers+0x7da/0xc70 [ 369.812313] ? trace_hardirqs_off_caller+0x310/0x310 [ 369.817425] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.821679] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.825925] __run_timers+0x7e5/0xc70 [ 369.829750] ? timer_fixup_init+0x70/0x70 [ 369.833940] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 369.838963] ? zap_class+0x640/0x640 [ 369.842679] ? print_usage_bug+0xc0/0xc0 [ 369.846753] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 369.851950] ? find_held_lock+0x36/0x1c0 [ 369.856027] ? zap_class+0x640/0x640 [ 369.859772] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.865311] ? check_preemption_disabled+0x48/0x280 [ 369.870338] ? __lock_is_held+0xb5/0x140 [ 369.874405] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.879945] ? check_preemption_disabled+0x48/0x280 [ 369.884966] run_timer_softirq+0x52/0xb0 [ 369.889075] ? rcu_read_lock_sched_held+0x14f/0x180 [ 369.894095] __do_softirq+0x308/0xb7e [ 369.897935] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 369.902443] ? lock_downgrade+0x900/0x900 [ 369.906602] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 369.911712] ? pvclock_read_flags+0x160/0x160 [ 369.916206] ? lapic_next_event+0x5a/0x90 [ 369.920359] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.925903] ? kvm_clock_read+0x18/0x30 [ 369.929877] ? kvm_sched_clock_read+0x9/0x20 [ 369.934464] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.940002] ? check_preemption_disabled+0x48/0x280 [ 369.945057] irq_exit+0x17f/0x1c0 [ 369.948516] smp_apic_timer_interrupt+0x1cb/0x760 [ 369.953360] ? smp_reschedule_interrupt+0x109/0x650 [ 369.958380] ? smp_call_function_single_interrupt+0x650/0x650 [ 369.964267] ? interrupt_entry+0xb5/0xc0 [ 369.968333] ? trace_hardirqs_off_caller+0xbb/0x310 [ 369.973348] ? trace_hardirqs_off_caller+0xbb/0x310 [ 369.978367] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 369.983211] ? trace_hardirqs_on_caller+0x310/0x310 [ 369.988227] ? trace_hardirqs_on_caller+0x310/0x310 [ 369.993245] ? task_prio+0x50/0x50 [ 369.996801] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.002340] ? check_preemption_disabled+0x48/0x280 [ 370.007367] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 370.012219] apic_timer_interrupt+0xf/0x20 [ 370.016446] [ 370.018717] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 370.023913] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 370.042814] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 370.050522] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e [ 370.057787] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc [ 370.065065] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 370.072334] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000 [ 370.079635] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 370.086938] retint_kernel+0x1b/0x2d [ 370.090659] RIP: 0010:dump_stack+0x358/0x39d [ 370.095071] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 370.113970] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 370.121677] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e [ 370.128945] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 370.136226] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 370.143496] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45 [ 370.151031] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 370.158332] ? dump_stack+0x34f/0x39d [ 370.162152] ? dump_stack_print_info.cold.1+0x20/0x20 [ 370.167353] ? mark_held_locks+0x130/0x130 [ 370.171589] ? mark_held_locks+0x130/0x130 [ 370.175828] dump_header+0x27b/0xf72 [ 370.179555] ? pagefault_out_of_memory+0x197/0x197 [ 370.184495] ? __lock_acquire+0x62f/0x4c20 [ 370.188736] ? percpu_ref_get_many+0x240/0x240 [ 370.193326] ? print_usage_bug+0xc0/0xc0 [ 370.197394] ? zap_class+0x640/0x640 [ 370.201111] ? print_usage_bug+0xc0/0xc0 [ 370.205172] ? print_usage_bug+0xc0/0xc0 [ 370.209241] ? zap_class+0x640/0x640 [ 370.212960] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.218521] ? find_held_lock+0x36/0x1c0 [ 370.222592] ? mark_held_locks+0xc7/0x130 [ 370.226754] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 370.231860] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 370.236967] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 370.241551] ? trace_hardirqs_on+0xbd/0x310 [ 370.245875] ? kasan_check_read+0x11/0x20 [ 370.250031] ? ___ratelimit+0x3b4/0x672 [ 370.254026] ? trace_hardirqs_off_caller+0x310/0x310 [ 370.259140] ? trace_hardirqs_on+0x310/0x310 [ 370.263551] ? lock_downgrade+0x900/0x900 [ 370.267711] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 370.272815] ? ___ratelimit+0x3b9/0x672 [ 370.276792] ? idr_get_free+0xf70/0xf70 [ 370.280772] ? find_held_lock+0x36/0x1c0 [ 370.284852] oom_kill_process.cold.27+0x10/0x903 [ 370.289611] ? zap_class+0x640/0x640 [ 370.293339] ? check_preemption_disabled+0x48/0x280 [ 370.298361] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 370.303292] ? kasan_check_read+0x11/0x20 [ 370.307441] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 370.312728] ? oom_evaluate_task+0x540/0x540 [ 370.317143] ? find_held_lock+0x36/0x1c0 [ 370.321217] ? out_of_memory+0x974/0x1430 [ 370.325366] ? lock_downgrade+0x900/0x900 [ 370.329520] ? check_preemption_disabled+0x48/0x280 [ 370.334546] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 370.339480] ? kasan_check_read+0x11/0x20 [ 370.343632] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 370.348910] ? rcu_softirq_qs+0x20/0x20 [ 370.352889] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 370.358423] ? oom_evaluate_task+0x302/0x540 [ 370.362837] out_of_memory+0xa84/0x1430 [ 370.366854] ? oom_killer_disable+0x3a0/0x3a0 [ 370.371351] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 370.376284] ? __ww_mutex_check_waiters+0x160/0x160 [ 370.381318] __alloc_pages_slowpath+0x2354/0x2e10 [ 370.386204] ? warn_alloc+0x120/0x120 [ 370.390032] ? mark_held_locks+0x130/0x130 [ 370.394280] ? find_get_entry+0xaae/0x1120 [ 370.398525] ? filemap_map_pages+0x1a20/0x1a20 [ 370.403115] ? zap_class+0x640/0x640 [ 370.406857] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.412415] ? check_preemption_disabled+0x48/0x280 [ 370.417431] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 370.423003] ? should_fail+0x22d/0xd01 [ 370.426909] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 370.432023] ? zap_class+0x640/0x640 [ 370.435771] ? __lock_is_held+0xb5/0x140 [ 370.439848] ? mark_held_locks+0x130/0x130 [ 370.444091] ? lock_release+0xa00/0xa00 [ 370.448086] ? perf_trace_sched_process_exec+0x860/0x860 [ 370.453555] ? xa_load+0x2ba/0x460 [ 370.457102] ? lock_downgrade+0x900/0x900 [ 370.461259] ? __might_sleep+0x95/0x190 [ 370.465239] __alloc_pages_nodemask+0xa80/0xde0 [ 370.469921] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 370.474941] ? __page_cache_alloc+0x191/0x5c0 [ 370.479438] ? xa_load+0x2e1/0x460 [ 370.482999] ? xa_clear_mark+0x40/0x40 [ 370.486902] ? zap_class+0x640/0x640 [ 370.490624] ? zap_class+0x640/0x640 [ 370.494340] ? zap_class+0x640/0x640 [ 370.498061] ? __do_page_cache_readahead+0x663/0x810 [ 370.503170] ? find_held_lock+0x36/0x1c0 [ 370.507237] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 370.512781] alloc_pages_current+0x173/0x350 [ 370.517206] __page_cache_alloc+0x38c/0x5c0 [ 370.521525] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 370.526478] ? kasan_check_read+0x11/0x20 [ 370.530641] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 370.535921] ? generic_perform_write+0x6a0/0x6a0 [ 370.540711] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 370.546256] ? check_preemption_disabled+0x48/0x280 [ 370.551281] filemap_fault+0x1595/0x25f0 [ 370.555356] ? __lock_page_or_retry+0xa00/0xa00 [ 370.560047] ? mark_held_locks+0x130/0x130 [ 370.564293] ? filemap_map_pages+0xd6b/0x1a20 [ 370.568794] ? lock_downgrade+0x900/0x900 [ 370.572944] ? check_preemption_disabled+0x48/0x280 [ 370.577983] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 370.582921] ? kasan_check_read+0x11/0x20 [ 370.587075] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 370.592354] ? rcu_softirq_qs+0x20/0x20 [ 370.596342] ? filemap_map_pages+0xd92/0x1a20 [ 370.600851] ? find_get_entries_tag+0x1400/0x1400 [ 370.605698] ? ep_scan_ready_list+0xbc7/0x1050 [ 370.610284] ? trace_hardirqs_off_caller+0x310/0x310 [ 370.615876] ? lock_acquire+0x1ed/0x520 [ 370.619857] ? ext4_filemap_fault+0x7a/0xad [ 370.624186] ? lock_release+0xa00/0xa00 [ 370.628160] ? perf_trace_sched_process_exec+0x860/0x860 [ 370.633610] ? print_usage_bug+0xc0/0xc0 [ 370.637675] ? print_usage_bug+0xc0/0xc0 [ 370.641752] ? down_read+0x8d/0x120 [ 370.645377] ? ext4_filemap_fault+0x7a/0xad [ 370.649702] ? __down_interruptible+0x700/0x700 [ 370.654381] ext4_filemap_fault+0x82/0xad [ 370.658536] __do_fault+0x100/0x6b0 [ 370.662173] ? pmd_devmap_trans_unstable+0x220/0x220 [ 370.667280] ? mark_held_locks+0x130/0x130 [ 370.671522] ? mark_held_locks+0x130/0x130 [ 370.675760] ? kasan_check_read+0x11/0x20 [ 370.679909] ? ep_poll+0xffa/0x13d0 [ 370.683541] ? trace_hardirqs_off_caller+0x310/0x310 [ 370.688680] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 370.694224] __handle_mm_fault+0x3ea0/0x5be0 [ 370.698634] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.704182] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 370.709037] ? do_epoll_create+0x590/0x590 [ 370.713283] ? kasan_check_read+0x11/0x20 [ 370.717442] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 370.722718] ? rcu_softirq_qs+0x20/0x20 [ 370.726718] ? zap_class+0x640/0x640 [ 370.730432] ? zap_class+0x640/0x640 [ 370.734166] ? find_held_lock+0x36/0x1c0 [ 370.738238] ? handle_mm_fault+0x42a/0xc70 [ 370.742619] ? lock_downgrade+0x900/0x900 [ 370.746783] ? check_preemption_disabled+0x48/0x280 [ 370.751815] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 370.756745] ? kasan_check_read+0x11/0x20 [ 370.760894] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 370.766172] ? rcu_softirq_qs+0x20/0x20 [ 370.770159] ? trace_hardirqs_off_caller+0x310/0x310 [ 370.775268] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 370.780808] ? check_preemption_disabled+0x48/0x280 [ 370.785852] handle_mm_fault+0x54f/0xc70 [ 370.789919] ? __handle_mm_fault+0x5be0/0x5be0 [ 370.794508] ? find_vma+0x34/0x190 [ 370.798066] __do_page_fault+0x5e8/0xe60 [ 370.802138] ? trace_hardirqs_off+0xb8/0x310 [ 370.806562] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 370.812111] do_page_fault+0xf2/0x7e0 [ 370.815915] ? vmalloc_sync_all+0x30/0x30 [ 370.820068] ? error_entry+0x70/0xd0 [ 370.823827] ? trace_hardirqs_off_caller+0xbb/0x310 [ 370.828889] ? trace_hardirqs_on_caller+0xc0/0x310 [ 370.833835] ? syscall_return_slowpath+0x5e0/0x5e0 [ 370.838766] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 370.843617] ? trace_hardirqs_on_caller+0x310/0x310 [ 370.848648] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 370.854104] ? prepare_exit_to_usermode+0x291/0x3b0 [ 370.859141] ? page_fault+0x8/0x30 [ 370.862701] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 370.867569] ? page_fault+0x8/0x30 [ 370.871115] page_fault+0x1e/0x30 [ 370.874575] RIP: 0033:0x45df89 [ 370.877783] Code: Bad RIP value. [ 370.881145] RSP: 002b:000000c42017b850 EFLAGS: 00010246 [ 370.886556] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89 [ 370.893821] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004 [ 370.901090] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500 [ 370.908357] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8 [ 370.915626] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff [ 370.922928] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145 [ 370.922991] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 370.930333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 370.930342] Call Trace: [ 370.936942] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 370.946175] [ 370.948746] syz-fuzzer cpuset=/ mems_allowed=0 [ 370.958979] dump_stack+0x244/0x39d [ 370.969303] ? dump_stack_print_info.cold.1+0x20/0x20 [ 370.974507] warn_alloc.cold.116+0xb7/0x1bd [ 370.978837] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 370.983703] ? lock_downgrade+0x900/0x900 [ 370.987860] ? trace_hardirqs_off+0xb8/0x310 [ 370.992275] ? trace_hardirqs_off+0xb8/0x310 [ 370.996693] __alloc_pages_slowpath+0x26e8/0x2e10 [ 371.001586] ? warn_alloc+0x120/0x120 [ 371.005391] ? print_usage_bug+0xc0/0xc0 [ 371.009455] ? warn_alloc+0x120/0x120 [ 371.013261] ? warn_alloc+0x120/0x120 [ 371.017067] ? print_usage_bug+0xc0/0xc0 [ 371.021135] ? kvm_clock_read+0x18/0x30 [ 371.025124] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 371.030142] ? print_usage_bug+0xc0/0xc0 [ 371.034209] ? __lock_acquire+0x62f/0x4c20 [ 371.038452] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 371.043992] ? should_fail+0x22d/0xd01 [ 371.047888] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 371.053169] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 371.058274] ? __lock_acquire+0x62f/0x4c20 [ 371.062520] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 371.067627] ? __lock_acquire+0x62f/0x4c20 [ 371.071861] ? should_fail+0x22d/0xd01 [ 371.075746] ? rcu_irq_exit+0x1a2/0x390 [ 371.079730] ? mark_held_locks+0x130/0x130 [ 371.083971] ? mark_held_locks+0x130/0x130 [ 371.088214] ? mark_held_locks+0xc7/0x130 [ 371.092365] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 371.097381] ? zap_class+0x640/0x640 [ 371.101100] ? print_usage_bug+0xc0/0xc0 [ 371.105169] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.110713] ? check_preemption_disabled+0x48/0x280 [ 371.115756] ? __lock_is_held+0xb5/0x140 [ 371.119833] __alloc_pages_nodemask+0xa80/0xde0 [ 371.124518] ? zap_class+0x640/0x640 [ 371.128244] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 371.133275] ? find_held_lock+0x36/0x1c0 [ 371.137346] ? ____cache_alloc_node+0x1c7/0x1e0 [ 371.142024] ? lock_downgrade+0x900/0x900 [ 371.146184] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.151732] cache_grow_begin+0xa5/0x8c0 [ 371.155793] ? do_raw_spin_unlock+0xa7/0x330 [ 371.160213] fallback_alloc+0x204/0x2e0 [ 371.164283] ____cache_alloc_node+0x1c7/0x1e0 [ 371.168787] kmem_cache_alloc_node+0xe3/0x730 [ 371.173288] ? ipv6_get_ifaddr+0x42e/0x620 [ 371.177560] __alloc_skb+0x119/0x770 [ 371.181294] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 371.186580] ? netdev_alloc_frag+0x1f0/0x1f0 [ 371.190990] ? lock_downgrade+0x900/0x900 [ 371.195165] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.200705] ? refcount_sub_and_test_checked+0x203/0x310 [ 371.206164] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 371.211622] ? addrconf_rs_timer+0x690/0x690 [ 371.216054] ndisc_alloc_skb+0x144/0x340 [ 371.220158] ndisc_send_rs+0x331/0x6e0 [ 371.224058] addrconf_rs_timer+0x314/0x690 [ 371.228306] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.232563] call_timer_fn+0x272/0x920 [ 371.236454] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.240690] ? process_timeout+0x40/0x40 [ 371.244760] ? __run_timers+0x7da/0xc70 [ 371.248743] ? _raw_spin_unlock_irq+0x27/0x80 [ 371.253244] ? _raw_spin_unlock_irq+0x27/0x80 [ 371.257739] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.261986] ? lockdep_hardirqs_on+0x296/0x5b0 [ 371.266597] ? trace_hardirqs_on+0xbd/0x310 [ 371.270923] ? kasan_check_read+0x11/0x20 [ 371.275074] ? __run_timers+0x7da/0xc70 [ 371.279056] ? trace_hardirqs_off_caller+0x310/0x310 [ 371.284169] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.288411] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.292645] __run_timers+0x7e5/0xc70 [ 371.296460] ? timer_fixup_init+0x70/0x70 [ 371.300633] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 371.305657] ? zap_class+0x640/0x640 [ 371.309375] ? enqueue_hrtimer+0x1a5/0x560 [ 371.313612] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 371.318816] ? find_held_lock+0x36/0x1c0 [ 371.322883] ? zap_class+0x640/0x640 [ 371.326601] ? pvclock_read_flags+0x160/0x160 [ 371.331102] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.336643] ? check_preemption_disabled+0x48/0x280 [ 371.341687] ? __lock_is_held+0xb5/0x140 [ 371.345754] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.351297] ? check_preemption_disabled+0x48/0x280 [ 371.356323] run_timer_softirq+0x52/0xb0 [ 371.360390] ? rcu_read_lock_sched_held+0x14f/0x180 [ 371.365409] __do_softirq+0x308/0xb7e [ 371.369217] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 371.373716] ? lock_downgrade+0x900/0x900 [ 371.377869] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 371.382981] ? pvclock_read_flags+0x160/0x160 [ 371.387491] ? lapic_next_event+0x5a/0x90 [ 371.391642] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.397187] ? kvm_clock_read+0x18/0x30 [ 371.401163] ? kvm_sched_clock_read+0x9/0x20 [ 371.405589] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.411135] ? check_preemption_disabled+0x48/0x280 [ 371.416163] irq_exit+0x17f/0x1c0 [ 371.419624] smp_apic_timer_interrupt+0x1cb/0x760 [ 371.424468] ? smp_reschedule_interrupt+0x109/0x650 [ 371.429492] ? smp_call_function_single_interrupt+0x650/0x650 [ 371.435383] ? interrupt_entry+0xb5/0xc0 [ 371.439468] ? trace_hardirqs_off_caller+0xbb/0x310 [ 371.444487] ? trace_hardirqs_off_caller+0xbb/0x310 [ 371.449508] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 371.454356] ? trace_hardirqs_on_caller+0x310/0x310 [ 371.459371] ? trace_hardirqs_on_caller+0x310/0x310 [ 371.464400] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 371.469257] apic_timer_interrupt+0xf/0x20 [ 371.473486] [ 371.475772] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 371.480702] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7 [ 371.499622] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 371.507330] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 371.514598] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286 [ 371.521867] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000 [ 371.529136] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 371.536403] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020 [ 371.543720] skb_clone+0x1bb/0x500 [ 371.547266] ? finish_task_switch+0x2f4/0x910 [ 371.551781] ? skb_split+0x11e0/0x11e0 [ 371.555673] ? preempt_notifier_register+0x200/0x200 [ 371.560781] ? __switch_to_asm+0x34/0x70 [ 371.564845] ? __switch_to_asm+0x34/0x70 [ 371.568908] ? __switch_to_asm+0x40/0x70 [ 371.572967] ? __switch_to_asm+0x34/0x70 [ 371.577033] ? __switch_to_asm+0x40/0x70 [ 371.581093] ? __switch_to_asm+0x34/0x70 [ 371.585154] ? __switch_to_asm+0x40/0x70 [ 371.589220] ? __switch_to_asm+0x34/0x70 [ 371.593280] ? __switch_to_asm+0x34/0x70 [ 371.597341] ? __switch_to_asm+0x40/0x70 [ 371.601401] ? __switch_to_asm+0x34/0x70 [ 371.605474] bpf_clone_redirect+0xb9/0x490 [ 371.609715] ? __schedule+0x8d7/0x21d0 [ 371.613614] bpf_prog_bebbfe2050753572+0x1d8/0x1000 [ 371.618637] ? __sched_text_start+0x8/0x8 [ 371.622793] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 371.627391] ? retint_kernel+0x2d/0x2d [ 371.631284] ? trace_hardirqs_on_caller+0xc0/0x310 [ 371.636221] ? find_held_lock+0x36/0x1c0 [ 371.640305] ? lock_acquire+0x1ed/0x520 [ 371.644281] ? bpf_test_run+0x3cb/0x780 [ 371.648258] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.653805] ? check_preemption_disabled+0x48/0x280 [ 371.658828] ? kasan_check_read+0x11/0x20 [ 371.662978] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 371.668258] ? rcu_softirq_qs+0x20/0x20 [ 371.672240] ? preempt_schedule+0x4d/0x60 [ 371.676392] ? ___preempt_schedule+0x16/0x18 [ 371.680814] ? bpf_test_run+0x25d/0x780 [ 371.684801] ? netlink_diag_dump+0x2a0/0x2a0 [ 371.689217] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 371.694757] ? bpf_test_init.isra.10+0x70/0x100 [ 371.699436] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 371.704227] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 371.709071] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 371.714614] ? fput+0x130/0x1a0 [ 371.717905] ? __bpf_prog_get+0x9b/0x290 [ 371.721969] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 371.726812] ? bpf_prog_test_run+0x130/0x1a0 [ 371.731229] ? __x64_sys_bpf+0x3d8/0x520 [ 371.735291] ? bpf_prog_get+0x20/0x20 [ 371.739116] ? do_syscall_64+0x1b9/0x820 [ 371.743178] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 371.748552] ? syscall_return_slowpath+0x5e0/0x5e0 [ 371.753486] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 371.758334] ? trace_hardirqs_on_caller+0x310/0x310 [ 371.763353] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 371.768373] ? prepare_exit_to_usermode+0x291/0x3b0 [ 371.773402] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 371.778259] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 371.783651] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145 [ 371.783657] warn_alloc_show_mem: 1 callbacks suppressed [ 371.783664] Mem-Info: [ 371.790684] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 371.796061] active_anon:51179 inactive_anon:236 isolated_anon:0 [ 371.796061] active_file:17 inactive_file:9 isolated_file:0 [ 371.796061] unevictable:0 dirty:0 writeback:0 unstable:0 [ 371.796061] slab_reclaimable:9362 slab_unreclaimable:1467319 [ 371.796061] mapped:16386 shmem:283 pagetables:457 bounce:0 [ 371.796061] free:13694 free_pcp:258 free_cma:0 [ 371.798440] Call Trace: [ 371.807833] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 371.840615] [ 371.843194] 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 [ 371.870701] dump_stack+0x244/0x39d [ 371.872826] lowmem_reserve[]: 0 2818 6321 6321 [ 371.898938] ? dump_stack_print_info.cold.1+0x20/0x20 [ 371.902533] Node 0 DMA32 free:24972kB 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:0kB local_pcp:0kB free_cma:0kB [ 371.907120] warn_alloc.cold.116+0xb7/0x1bd [ 371.912274] lowmem_reserve[]: 0 0 3503 3503 [ 371.939432] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 371.943723] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB [ 371.948065] ? lock_downgrade+0x900/0x900 [ 371.952883] lowmem_reserve[]: 0 0 0 0 [ 371.981864] ? trace_hardirqs_off+0xb8/0x310 [ 371.986000] 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 [ 371.989804] ? trace_hardirqs_off+0xb8/0x310 [ 371.994187] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB [ 372.007729] __alloc_pages_slowpath+0x26e8/0x2e10 [ 372.012134] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB [ 372.027330] ? warn_alloc+0x120/0x120 [ 372.032133] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 372.046341] ? print_usage_bug+0xc0/0xc0 [ 372.050121] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 372.058959] ? warn_alloc+0x120/0x120 [ 372.062999] 309 total pagecache pages [ 372.071575] ? warn_alloc+0x120/0x120 [ 372.075355] 0 pages in swap cache [ 372.079146] ? print_usage_bug+0xc0/0xc0 [ 372.082924] Swap cache stats: add 0, delete 0, find 0/0 [ 372.086366] ? kvm_clock_read+0x18/0x30 [ 372.090404] Free swap = 0kB [ 372.095767] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 372.099714] Total swap = 0kB [ 372.102742] ? print_usage_bug+0xc0/0xc0 [ 372.107738] 1965979 pages RAM [ 372.110752] ? __lock_acquire+0x62f/0x4c20 [ 372.114782] 0 pages HighMem/MovableOnly [ 372.114791] 342853 pages reserved [ 372.117896] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 372.122103] 0 pages cma reserved [ 372.126074] ? should_fail+0x22d/0xd01 [ 372.129598] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 372.135033] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 372.135059] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 372.135076] ? __lock_acquire+0x62f/0x4c20 [ 372.138483] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 372.142483] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 372.148950] syz-executor2 cpuset=syz2 mems_allowed=0 [ 372.154224] ? __lock_acquire+0x62f/0x4c20 [ 372.188435] ? should_fail+0x22d/0xd01 [ 372.192324] ? rcu_irq_exit+0x1a2/0x390 [ 372.196311] ? mark_held_locks+0x130/0x130 [ 372.200556] ? mark_held_locks+0x130/0x130 [ 372.204799] ? mark_held_locks+0xc7/0x130 [ 372.208947] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 372.213982] ? zap_class+0x640/0x640 [ 372.217705] ? print_usage_bug+0xc0/0xc0 [ 372.221772] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.227313] ? check_preemption_disabled+0x48/0x280 [ 372.232342] ? __lock_is_held+0xb5/0x140 [ 372.236433] __alloc_pages_nodemask+0xa80/0xde0 [ 372.241108] ? zap_class+0x640/0x640 [ 372.244829] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 372.249857] ? find_held_lock+0x36/0x1c0 [ 372.253929] ? ____cache_alloc_node+0x1c7/0x1e0 [ 372.258602] ? lock_downgrade+0x900/0x900 [ 372.262766] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.268316] cache_grow_begin+0xa5/0x8c0 [ 372.272379] ? do_raw_spin_unlock+0xa7/0x330 [ 372.276885] fallback_alloc+0x204/0x2e0 [ 372.280869] ____cache_alloc_node+0x1c7/0x1e0 [ 372.285372] kmem_cache_alloc_node+0xe3/0x730 [ 372.289869] ? ipv6_get_ifaddr+0x42e/0x620 [ 372.294118] __alloc_skb+0x119/0x770 [ 372.297833] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 372.303117] ? netdev_alloc_frag+0x1f0/0x1f0 [ 372.307532] ? lock_downgrade+0x900/0x900 [ 372.311692] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.317234] ? refcount_sub_and_test_checked+0x203/0x310 [ 372.322694] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 372.328152] ? addrconf_rs_timer+0x690/0x690 [ 372.332574] ndisc_alloc_skb+0x144/0x340 [ 372.336646] ndisc_send_rs+0x331/0x6e0 [ 372.340541] addrconf_rs_timer+0x314/0x690 [ 372.344785] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 372.349043] call_timer_fn+0x272/0x920 [ 372.352933] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 372.357176] ? process_timeout+0x40/0x40 [ 372.361254] ? mark_held_locks+0xc7/0x130 [ 372.365409] ? _raw_spin_unlock_irq+0x27/0x80 [ 372.369906] ? _raw_spin_unlock_irq+0x27/0x80 [ 372.374404] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 372.378643] ? lockdep_hardirqs_on+0x296/0x5b0 [ 372.383231] ? trace_hardirqs_on+0xbd/0x310 [ 372.387558] ? kasan_check_read+0x11/0x20 [ 372.391710] ? __run_timers+0x7da/0xc70 [ 372.395692] ? trace_hardirqs_off_caller+0x310/0x310 [ 372.400803] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 372.405053] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 372.409289] __run_timers+0x7e5/0xc70 [ 372.413104] ? timer_fixup_init+0x70/0x70 [ 372.417256] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 372.422276] ? zap_class+0x640/0x640 [ 372.425997] ? print_usage_bug+0xc0/0xc0 [ 372.430082] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 372.435282] ? find_held_lock+0x36/0x1c0 [ 372.439350] ? zap_class+0x640/0x640 [ 372.443075] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.448615] ? check_preemption_disabled+0x48/0x280 [ 372.453643] ? __lock_is_held+0xb5/0x140 [ 372.457706] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.463266] ? check_preemption_disabled+0x48/0x280 [ 372.468292] run_timer_softirq+0x52/0xb0 [ 372.472356] ? rcu_read_lock_sched_held+0x14f/0x180 [ 372.477374] __do_softirq+0x308/0xb7e [ 372.481181] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 372.485676] ? lock_downgrade+0x900/0x900 [ 372.489835] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 372.494949] ? pvclock_read_flags+0x160/0x160 [ 372.499451] ? lapic_next_event+0x5a/0x90 [ 372.503607] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.509155] ? kvm_clock_read+0x18/0x30 [ 372.513131] ? kvm_sched_clock_read+0x9/0x20 [ 372.517542] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.523086] ? check_preemption_disabled+0x48/0x280 [ 372.528116] irq_exit+0x17f/0x1c0 [ 372.531577] smp_apic_timer_interrupt+0x1cb/0x760 [ 372.536428] ? smp_reschedule_interrupt+0x109/0x650 [ 372.541455] ? smp_call_function_single_interrupt+0x650/0x650 [ 372.547340] ? interrupt_entry+0xb5/0xc0 [ 372.551409] ? trace_hardirqs_off_caller+0xbb/0x310 [ 372.556424] ? trace_hardirqs_off_caller+0xbb/0x310 [ 372.561448] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 372.566293] ? trace_hardirqs_on_caller+0x310/0x310 [ 372.571309] ? trace_hardirqs_on_caller+0x310/0x310 [ 372.576326] ? task_prio+0x50/0x50 [ 372.579871] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.585417] ? check_preemption_disabled+0x48/0x280 [ 372.590442] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 372.595298] apic_timer_interrupt+0xf/0x20 [ 372.599528] [ 372.601768] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 372.606960] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 372.626365] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 372.634079] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e [ 372.641348] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc [ 372.648616] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 372.655884] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000 [ 372.663155] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 372.670464] retint_kernel+0x1b/0x2d [ 372.674187] RIP: 0010:dump_stack+0x358/0x39d [ 372.678596] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 372.697500] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 372.705216] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e [ 372.712487] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 372.719758] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 372.727034] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45 [ 372.734310] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 372.741603] ? dump_stack+0x34f/0x39d [ 372.745595] ? dump_stack_print_info.cold.1+0x20/0x20 [ 372.750797] ? mark_held_locks+0x130/0x130 [ 372.755045] ? mark_held_locks+0x130/0x130 [ 372.759293] dump_header+0x27b/0xf72 [ 372.763029] ? pagefault_out_of_memory+0x197/0x197 [ 372.767980] ? __lock_acquire+0x62f/0x4c20 [ 372.772221] ? percpu_ref_get_many+0x240/0x240 [ 372.776812] ? print_usage_bug+0xc0/0xc0 [ 372.780879] ? zap_class+0x640/0x640 [ 372.784603] ? print_usage_bug+0xc0/0xc0 [ 372.788667] ? print_usage_bug+0xc0/0xc0 [ 372.792731] ? zap_class+0x640/0x640 [ 372.796455] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.802023] ? find_held_lock+0x36/0x1c0 [ 372.806103] ? mark_held_locks+0xc7/0x130 [ 372.810258] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 372.815361] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 372.820467] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 372.825064] ? trace_hardirqs_on+0xbd/0x310 [ 372.829387] ? kasan_check_read+0x11/0x20 [ 372.833542] ? ___ratelimit+0x3b4/0x672 [ 372.837521] ? trace_hardirqs_off_caller+0x310/0x310 [ 372.842634] ? trace_hardirqs_on+0x310/0x310 [ 372.847057] ? lock_downgrade+0x900/0x900 [ 372.851215] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 372.856321] ? ___ratelimit+0x3b9/0x672 [ 372.860299] ? idr_get_free+0xf70/0xf70 [ 372.864276] ? find_held_lock+0x36/0x1c0 [ 372.868349] oom_kill_process.cold.27+0x10/0x903 [ 372.873109] ? zap_class+0x640/0x640 [ 372.876826] ? check_preemption_disabled+0x48/0x280 [ 372.881846] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 372.886776] ? kasan_check_read+0x11/0x20 [ 372.890929] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 372.896213] ? oom_evaluate_task+0x540/0x540 [ 372.900636] ? find_held_lock+0x36/0x1c0 [ 372.904710] ? out_of_memory+0x974/0x1430 [ 372.908862] ? lock_downgrade+0x900/0x900 [ 372.913023] ? check_preemption_disabled+0x48/0x280 [ 372.918063] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 372.922996] ? kasan_check_read+0x11/0x20 [ 372.927153] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 372.932430] ? rcu_softirq_qs+0x20/0x20 [ 372.936412] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 372.941950] ? oom_evaluate_task+0x302/0x540 [ 372.946367] out_of_memory+0xa84/0x1430 [ 372.950358] ? oom_killer_disable+0x3a0/0x3a0 [ 372.954854] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 372.959787] ? __ww_mutex_check_waiters+0x160/0x160 [ 372.964817] __alloc_pages_slowpath+0x2354/0x2e10 [ 372.969692] ? warn_alloc+0x120/0x120 [ 372.973493] ? mark_held_locks+0x130/0x130 [ 372.977738] ? find_get_entry+0xaae/0x1120 [ 372.981983] ? filemap_map_pages+0x1a20/0x1a20 [ 372.986635] ? zap_class+0x640/0x640 [ 372.990359] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.995904] ? check_preemption_disabled+0x48/0x280 [ 373.000923] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 373.006460] ? should_fail+0x22d/0xd01 [ 373.010355] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 373.015466] ? zap_class+0x640/0x640 [ 373.019208] ? __lock_is_held+0xb5/0x140 [ 373.023281] ? mark_held_locks+0x130/0x130 [ 373.027521] ? lock_release+0xa00/0xa00 [ 373.031497] ? perf_trace_sched_process_exec+0x860/0x860 [ 373.036952] ? xa_load+0x2ba/0x460 [ 373.040497] ? lock_downgrade+0x900/0x900 [ 373.044656] ? __might_sleep+0x95/0x190 [ 373.048640] __alloc_pages_nodemask+0xa80/0xde0 [ 373.053320] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 373.058339] ? __page_cache_alloc+0x191/0x5c0 [ 373.062838] ? xa_load+0x2e1/0x460 [ 373.066384] ? xa_clear_mark+0x40/0x40 [ 373.070275] ? zap_class+0x640/0x640 [ 373.074003] ? zap_class+0x640/0x640 [ 373.077728] ? zap_class+0x640/0x640 [ 373.081454] ? __do_page_cache_readahead+0x663/0x810 [ 373.086563] ? find_held_lock+0x36/0x1c0 [ 373.090637] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 373.096204] alloc_pages_current+0x173/0x350 [ 373.100622] __page_cache_alloc+0x38c/0x5c0 [ 373.104943] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 373.109873] ? kasan_check_read+0x11/0x20 [ 373.114043] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 373.119357] ? generic_perform_write+0x6a0/0x6a0 [ 373.124118] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 373.129659] ? check_preemption_disabled+0x48/0x280 [ 373.134685] filemap_fault+0x1595/0x25f0 [ 373.138762] ? __lock_page_or_retry+0xa00/0xa00 [ 373.143435] ? mark_held_locks+0x130/0x130 [ 373.147684] ? filemap_map_pages+0xd6b/0x1a20 [ 373.152183] ? lock_downgrade+0x900/0x900 [ 373.156334] ? check_preemption_disabled+0x48/0x280 [ 373.161360] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 373.166294] ? kasan_check_read+0x11/0x20 [ 373.170441] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 373.175719] ? rcu_softirq_qs+0x20/0x20 [ 373.179713] ? filemap_map_pages+0xd92/0x1a20 [ 373.184229] ? find_get_entries_tag+0x1400/0x1400 [ 373.189077] ? ep_scan_ready_list+0xbc7/0x1050 [ 373.193664] ? trace_hardirqs_off_caller+0x310/0x310 [ 373.198789] ? lock_acquire+0x1ed/0x520 [ 373.202763] ? ext4_filemap_fault+0x7a/0xad [ 373.207094] ? lock_release+0xa00/0xa00 [ 373.211075] ? perf_trace_sched_process_exec+0x860/0x860 [ 373.216529] ? print_usage_bug+0xc0/0xc0 [ 373.220593] ? print_usage_bug+0xc0/0xc0 [ 373.224670] ? down_read+0x8d/0x120 [ 373.228327] ? ext4_filemap_fault+0x7a/0xad [ 373.232654] ? __down_interruptible+0x700/0x700 [ 373.237336] ext4_filemap_fault+0x82/0xad [ 373.241486] __do_fault+0x100/0x6b0 [ 373.245133] ? pmd_devmap_trans_unstable+0x220/0x220 [ 373.250245] ? mark_held_locks+0x130/0x130 [ 373.254484] ? mark_held_locks+0x130/0x130 [ 373.258719] ? kasan_check_read+0x11/0x20 [ 373.262888] ? ep_poll+0xffa/0x13d0 [ 373.266522] ? trace_hardirqs_off_caller+0x310/0x310 [ 373.271638] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 373.277181] __handle_mm_fault+0x3ea0/0x5be0 [ 373.281591] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.287141] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 373.291993] ? do_epoll_create+0x590/0x590 [ 373.296262] ? kasan_check_read+0x11/0x20 [ 373.300414] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 373.305693] ? rcu_softirq_qs+0x20/0x20 [ 373.309680] ? zap_class+0x640/0x640 [ 373.313399] ? zap_class+0x640/0x640 [ 373.317118] ? find_held_lock+0x36/0x1c0 [ 373.321186] ? handle_mm_fault+0x42a/0xc70 [ 373.325458] ? lock_downgrade+0x900/0x900 [ 373.329625] ? check_preemption_disabled+0x48/0x280 [ 373.334648] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 373.339577] ? kasan_check_read+0x11/0x20 [ 373.343741] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 373.349025] ? rcu_softirq_qs+0x20/0x20 [ 373.353047] ? trace_hardirqs_off_caller+0x310/0x310 [ 373.358155] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 373.363694] ? check_preemption_disabled+0x48/0x280 [ 373.368749] handle_mm_fault+0x54f/0xc70 [ 373.372811] ? __handle_mm_fault+0x5be0/0x5be0 [ 373.377429] ? find_vma+0x34/0x190 [ 373.380976] __do_page_fault+0x5e8/0xe60 [ 373.385062] ? trace_hardirqs_off+0xb8/0x310 [ 373.389473] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 373.395030] do_page_fault+0xf2/0x7e0 [ 373.398839] ? vmalloc_sync_all+0x30/0x30 [ 373.402989] ? error_entry+0x70/0xd0 [ 373.406717] ? trace_hardirqs_off_caller+0xbb/0x310 [ 373.411763] ? trace_hardirqs_on_caller+0xc0/0x310 [ 373.416693] ? syscall_return_slowpath+0x5e0/0x5e0 [ 373.421622] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 373.426490] ? trace_hardirqs_on_caller+0x310/0x310 [ 373.431516] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 373.436988] ? prepare_exit_to_usermode+0x291/0x3b0 [ 373.442014] ? page_fault+0x8/0x30 [ 373.445576] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 373.450425] ? page_fault+0x8/0x30 [ 373.453965] page_fault+0x1e/0x30 [ 373.457428] RIP: 0033:0x45df89 [ 373.460658] Code: Bad RIP value. [ 373.464023] RSP: 002b:000000c42017b850 EFLAGS: 00010246 [ 373.469387] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89 [ 373.476655] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004 [ 373.483938] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500 [ 373.491207] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8 [ 373.498488] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff [ 373.505795] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145 [ 373.505857] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 373.513162] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 373.513167] Call Trace: [ 373.513173] [ 373.513193] dump_stack+0x244/0x39d [ 373.513211] ? dump_stack_print_info.cold.1+0x20/0x20 [ 373.519758] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 373.529054] warn_alloc.cold.116+0xb7/0x1bd [ 373.531612] syz-fuzzer cpuset=/ mems_allowed=0 [ 373.533756] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 373.566472] ? lock_downgrade+0x900/0x900 [ 373.570642] ? trace_hardirqs_off+0xb8/0x310 [ 373.575064] ? trace_hardirqs_off+0xb8/0x310 [ 373.579483] __alloc_pages_slowpath+0x26e8/0x2e10 [ 373.584355] ? warn_alloc+0x120/0x120 [ 373.588160] ? print_usage_bug+0xc0/0xc0 [ 373.592231] ? warn_alloc+0x120/0x120 [ 373.596045] ? warn_alloc+0x120/0x120 [ 373.599854] ? print_usage_bug+0xc0/0xc0 [ 373.603948] ? print_usage_bug+0xc0/0xc0 [ 373.608034] ? __lock_acquire+0x62f/0x4c20 [ 373.612280] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 373.617817] ? should_fail+0x22d/0xd01 [ 373.621725] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 373.626828] ? __lock_acquire+0x62f/0x4c20 [ 373.631074] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 373.636194] ? __lock_acquire+0x62f/0x4c20 [ 373.640442] ? should_fail+0x22d/0xd01 [ 373.644330] ? find_held_lock+0x36/0x1c0 [ 373.648410] ? mark_held_locks+0x130/0x130 [ 373.652648] ? mark_held_locks+0x130/0x130 [ 373.656880] ? zap_class+0x640/0x640 [ 373.660596] ? zap_class+0x640/0x640 [ 373.664327] ? print_usage_bug+0xc0/0xc0 [ 373.668387] ? do_raw_spin_unlock+0xa7/0x330 [ 373.672799] ? zap_class+0x640/0x640 [ 373.676516] ? print_usage_bug+0xc0/0xc0 [ 373.680602] ? wq_watchdog_touch+0x9c/0xfe [ 373.684855] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.690397] ? check_preemption_disabled+0x48/0x280 [ 373.695444] ? __lock_is_held+0xb5/0x140 [ 373.699515] __alloc_pages_nodemask+0xa80/0xde0 [ 373.704206] ? zap_class+0x640/0x640 [ 373.707965] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 373.712988] ? find_held_lock+0x36/0x1c0 [ 373.717066] ? ____cache_alloc_node+0x1c7/0x1e0 [ 373.721736] ? lock_downgrade+0x900/0x900 [ 373.725895] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.731452] cache_grow_begin+0xa5/0x8c0 [ 373.735531] ? do_raw_spin_unlock+0xa7/0x330 [ 373.739952] fallback_alloc+0x204/0x2e0 [ 373.743944] ____cache_alloc_node+0x1c7/0x1e0 [ 373.748453] kmem_cache_alloc_node+0xe3/0x730 [ 373.752947] ? ipv6_get_ifaddr+0x42e/0x620 [ 373.757207] __alloc_skb+0x119/0x770 [ 373.760917] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 373.766200] ? netdev_alloc_frag+0x1f0/0x1f0 [ 373.770625] ? lock_downgrade+0x900/0x900 [ 373.774780] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.780327] ? refcount_sub_and_test_checked+0x203/0x310 [ 373.785780] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 373.791234] ? addrconf_rs_timer+0x690/0x690 [ 373.795659] ndisc_alloc_skb+0x144/0x340 [ 373.799729] ndisc_send_rs+0x331/0x6e0 [ 373.803623] addrconf_rs_timer+0x314/0x690 [ 373.807863] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.812109] call_timer_fn+0x272/0x920 [ 373.816009] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.820265] ? process_timeout+0x40/0x40 [ 373.824374] ? __run_timers+0x7da/0xc70 [ 373.828349] ? _raw_spin_unlock_irq+0x27/0x80 [ 373.832858] ? _raw_spin_unlock_irq+0x27/0x80 [ 373.837350] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.841601] ? lockdep_hardirqs_on+0x296/0x5b0 [ 373.846191] ? trace_hardirqs_on+0xbd/0x310 [ 373.850515] ? kasan_check_read+0x11/0x20 [ 373.854666] ? __run_timers+0x7da/0xc70 [ 373.858641] ? trace_hardirqs_off_caller+0x310/0x310 [ 373.863748] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.867988] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.872232] __run_timers+0x7e5/0xc70 [ 373.876048] ? timer_fixup_init+0x70/0x70 [ 373.880202] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 373.885224] ? zap_class+0x640/0x640 [ 373.888942] ? enqueue_hrtimer+0x1a5/0x560 [ 373.893178] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 373.898413] ? find_held_lock+0x36/0x1c0 [ 373.902492] ? zap_class+0x640/0x640 [ 373.906211] ? pvclock_read_flags+0x160/0x160 [ 373.910725] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.916262] ? check_preemption_disabled+0x48/0x280 [ 373.921290] ? __lock_is_held+0xb5/0x140 [ 373.925349] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.930888] ? check_preemption_disabled+0x48/0x280 [ 373.935925] run_timer_softirq+0x52/0xb0 [ 373.939996] ? rcu_read_lock_sched_held+0x14f/0x180 [ 373.945031] __do_softirq+0x308/0xb7e [ 373.948837] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 373.953333] ? lock_downgrade+0x900/0x900 [ 373.957487] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 373.962601] ? pvclock_read_flags+0x160/0x160 [ 373.967103] ? lapic_next_event+0x5a/0x90 [ 373.971256] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.976798] ? kvm_clock_read+0x18/0x30 [ 373.980774] ? kvm_sched_clock_read+0x9/0x20 [ 373.985201] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.990740] ? check_preemption_disabled+0x48/0x280 [ 373.995764] irq_exit+0x17f/0x1c0 [ 373.999218] smp_apic_timer_interrupt+0x1cb/0x760 [ 374.004058] ? smp_reschedule_interrupt+0x109/0x650 [ 374.009075] ? smp_call_function_single_interrupt+0x650/0x650 [ 374.014959] ? interrupt_entry+0xb5/0xc0 [ 374.019030] ? trace_hardirqs_off_caller+0xbb/0x310 [ 374.024051] ? trace_hardirqs_off_caller+0xbb/0x310 [ 374.029073] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 374.033918] ? trace_hardirqs_on_caller+0x310/0x310 [ 374.038931] ? trace_hardirqs_on_caller+0x310/0x310 [ 374.043972] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 374.048858] apic_timer_interrupt+0xf/0x20 [ 374.053098] [ 374.055343] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 374.060300] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7 [ 374.079200] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 374.086923] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 374.094206] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286 [ 374.101486] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000 [ 374.108749] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 374.116039] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020 [ 374.123348] skb_clone+0x1bb/0x500 [ 374.126888] ? finish_task_switch+0x2f4/0x910 [ 374.131382] ? skb_split+0x11e0/0x11e0 [ 374.135271] ? preempt_notifier_register+0x200/0x200 [ 374.140376] ? __switch_to_asm+0x34/0x70 [ 374.144436] ? __switch_to_asm+0x34/0x70 [ 374.148514] ? __switch_to_asm+0x40/0x70 [ 374.152581] ? __switch_to_asm+0x34/0x70 [ 374.156640] ? __switch_to_asm+0x40/0x70 [ 374.160696] ? __switch_to_asm+0x34/0x70 [ 374.164753] ? __switch_to_asm+0x40/0x70 [ 374.168813] ? __switch_to_asm+0x34/0x70 [ 374.172872] ? __switch_to_asm+0x34/0x70 [ 374.176929] ? __switch_to_asm+0x40/0x70 [ 374.180988] ? __switch_to_asm+0x34/0x70 [ 374.185064] bpf_clone_redirect+0xb9/0x490 [ 374.189303] ? __schedule+0x8d7/0x21d0 [ 374.193214] bpf_prog_bebbfe2050753572+0x1d8/0x1000 [ 374.198236] ? __sched_text_start+0x8/0x8 [ 374.202394] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 374.206977] ? retint_kernel+0x2d/0x2d [ 374.210867] ? trace_hardirqs_on_caller+0xc0/0x310 [ 374.215834] ? find_held_lock+0x36/0x1c0 [ 374.219906] ? lock_acquire+0x1ed/0x520 [ 374.223883] ? bpf_test_run+0x3cb/0x780 [ 374.227861] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.233401] ? check_preemption_disabled+0x48/0x280 [ 374.238429] ? kasan_check_read+0x11/0x20 [ 374.242580] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 374.247877] ? rcu_softirq_qs+0x20/0x20 [ 374.251855] ? preempt_schedule+0x4d/0x60 [ 374.256002] ? ___preempt_schedule+0x16/0x18 [ 374.260425] ? bpf_test_run+0x25d/0x780 [ 374.264411] ? netlink_diag_dump+0x2a0/0x2a0 [ 374.268821] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 374.274356] ? bpf_test_init.isra.10+0x70/0x100 [ 374.279055] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 374.283841] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 374.288684] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 374.294226] ? fput+0x130/0x1a0 [ 374.297509] ? __bpf_prog_get+0x9b/0x290 [ 374.301578] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 374.306421] ? bpf_prog_test_run+0x130/0x1a0 [ 374.310836] ? __x64_sys_bpf+0x3d8/0x520 [ 374.314899] ? bpf_prog_get+0x20/0x20 [ 374.318736] ? do_syscall_64+0x1b9/0x820 [ 374.322797] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 374.328162] ? syscall_return_slowpath+0x5e0/0x5e0 [ 374.333121] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 374.337965] ? trace_hardirqs_on_caller+0x310/0x310 [ 374.342982] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 374.347999] ? prepare_exit_to_usermode+0x291/0x3b0 [ 374.353034] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 374.357884] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 374.363269] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145 [ 374.363275] warn_alloc_show_mem: 1 callbacks suppressed [ 374.363281] Mem-Info: [ 374.370290] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 374.375655] active_anon:51179 inactive_anon:236 isolated_anon:0 [ 374.375655] active_file:17 inactive_file:9 isolated_file:0 [ 374.375655] unevictable:0 dirty:0 writeback:0 unstable:0 [ 374.375655] slab_reclaimable:9362 slab_unreclaimable:1467319 [ 374.375655] mapped:16386 shmem:283 pagetables:457 bounce:0 [ 374.375655] free:13694 free_pcp:258 free_cma:0 [ 374.378043] Call Trace: [ 374.387470] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 374.420242] [ 374.422814] 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 [ 374.450307] dump_stack+0x244/0x39d [ 374.452436] lowmem_reserve[]: 0 2818 6321 6321 [ 374.478539] ? dump_stack_print_info.cold.1+0x20/0x20 [ 374.482144] Node 0 DMA32 free:24972kB 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:0kB local_pcp:0kB free_cma:0kB [ 374.486728] warn_alloc.cold.116+0xb7/0x1bd [ 374.491888] lowmem_reserve[]: 0 0 3503 3503 [ 374.519063] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 374.523359] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB [ 374.527680] ? lock_downgrade+0x900/0x900 [ 374.532493] lowmem_reserve[]: 0 0 0 0 [ 374.561462] ? trace_hardirqs_off+0xb8/0x310 [ 374.565580] 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 [ 374.569376] ? trace_hardirqs_off+0xb8/0x310 [ 374.573760] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB [ 374.587310] __alloc_pages_slowpath+0x26e8/0x2e10 [ 374.591691] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB [ 374.606970] ? warn_alloc+0x120/0x120 [ 374.611772] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 374.625984] ? print_usage_bug+0xc0/0xc0 [ 374.629766] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 374.638594] ? warn_alloc+0x120/0x120 [ 374.642632] 309 total pagecache pages [ 374.651215] ? warn_alloc+0x120/0x120 [ 374.654998] 0 pages in swap cache [ 374.658794] ? print_usage_bug+0xc0/0xc0 [ 374.662575] Swap cache stats: add 0, delete 0, find 0/0 [ 374.666025] ? print_usage_bug+0xc0/0xc0 [ 374.670062] Free swap = 0kB [ 374.675415] ? __lock_acquire+0x62f/0x4c20 [ 374.679499] Total swap = 0kB [ 374.682517] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 374.686726] 1965979 pages RAM [ 374.689738] ? should_fail+0x22d/0xd01 [ 374.695247] 0 pages HighMem/MovableOnly [ 374.698344] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 374.702208] 342853 pages reserved [ 374.706174] ? __lock_acquire+0x62f/0x4c20 [ 374.711251] 0 pages cma reserved [ 374.714696] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 374.718967] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 374.722255] ? __lock_acquire+0x62f/0x4c20 [ 374.722267] ? should_fail+0x22d/0xd01 [ 374.722281] ? find_held_lock+0x36/0x1c0 [ 374.722302] ? mark_held_locks+0x130/0x130 [ 374.727433] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 374.733867] ? mark_held_locks+0x130/0x130 [ 374.738089] syz-executor2 cpuset=syz2 mems_allowed=0 [ 374.741985] ? zap_class+0x640/0x640 [ 374.774232] ? zap_class+0x640/0x640 [ 374.777951] ? print_usage_bug+0xc0/0xc0 [ 374.782034] ? do_raw_spin_unlock+0xa7/0x330 [ 374.786449] ? zap_class+0x640/0x640 [ 374.790162] ? print_usage_bug+0xc0/0xc0 [ 374.794255] ? wq_watchdog_touch+0x9c/0xfe [ 374.798494] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.804049] ? check_preemption_disabled+0x48/0x280 [ 374.809082] ? __lock_is_held+0xb5/0x140 [ 374.813153] __alloc_pages_nodemask+0xa80/0xde0 [ 374.817823] ? zap_class+0x640/0x640 [ 374.821544] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 374.826609] ? find_held_lock+0x36/0x1c0 [ 374.830686] ? ____cache_alloc_node+0x1c7/0x1e0 [ 374.835374] ? lock_downgrade+0x900/0x900 [ 374.839533] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.845096] cache_grow_begin+0xa5/0x8c0 [ 374.849170] ? do_raw_spin_unlock+0xa7/0x330 [ 374.853635] fallback_alloc+0x204/0x2e0 [ 374.857638] ____cache_alloc_node+0x1c7/0x1e0 [ 374.862137] kmem_cache_alloc_node+0xe3/0x730 [ 374.866637] ? ipv6_get_ifaddr+0x42e/0x620 [ 374.870883] __alloc_skb+0x119/0x770 [ 374.874599] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 374.879883] ? netdev_alloc_frag+0x1f0/0x1f0 [ 374.884293] ? lock_downgrade+0x900/0x900 [ 374.888451] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.893994] ? refcount_sub_and_test_checked+0x203/0x310 [ 374.899455] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 374.904907] ? addrconf_rs_timer+0x690/0x690 [ 374.909362] ndisc_alloc_skb+0x144/0x340 [ 374.913471] ndisc_send_rs+0x331/0x6e0 [ 374.917364] addrconf_rs_timer+0x314/0x690 [ 374.921607] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.925855] call_timer_fn+0x272/0x920 [ 374.929747] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.933983] ? process_timeout+0x40/0x40 [ 374.938067] ? mark_held_locks+0xc7/0x130 [ 374.942219] ? _raw_spin_unlock_irq+0x27/0x80 [ 374.946729] ? _raw_spin_unlock_irq+0x27/0x80 [ 374.951226] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.955463] ? lockdep_hardirqs_on+0x296/0x5b0 [ 374.960059] ? trace_hardirqs_on+0xbd/0x310 [ 374.964381] ? kasan_check_read+0x11/0x20 [ 374.968557] ? __run_timers+0x7da/0xc70 [ 374.972551] ? trace_hardirqs_off_caller+0x310/0x310 [ 374.977675] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.981914] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.986161] __run_timers+0x7e5/0xc70 [ 374.989976] ? timer_fixup_init+0x70/0x70 [ 374.994134] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 374.999169] ? zap_class+0x640/0x640 [ 375.002891] ? print_usage_bug+0xc0/0xc0 [ 375.006961] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 375.012164] ? find_held_lock+0x36/0x1c0 [ 375.016236] ? zap_class+0x640/0x640 [ 375.019959] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.025502] ? check_preemption_disabled+0x48/0x280 [ 375.030529] ? __lock_is_held+0xb5/0x140 [ 375.034612] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.040154] ? check_preemption_disabled+0x48/0x280 [ 375.045180] run_timer_softirq+0x52/0xb0 [ 375.049245] ? rcu_read_lock_sched_held+0x14f/0x180 [ 375.054275] __do_softirq+0x308/0xb7e [ 375.058084] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 375.062583] ? lock_downgrade+0x900/0x900 [ 375.066736] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 375.071851] ? pvclock_read_flags+0x160/0x160 [ 375.076352] ? lapic_next_event+0x5a/0x90 [ 375.080505] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.086086] ? kvm_clock_read+0x18/0x30 [ 375.090063] ? kvm_sched_clock_read+0x9/0x20 [ 375.094473] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.100072] ? check_preemption_disabled+0x48/0x280 [ 375.105126] irq_exit+0x17f/0x1c0 [ 375.108579] smp_apic_timer_interrupt+0x1cb/0x760 [ 375.113450] ? smp_reschedule_interrupt+0x109/0x650 [ 375.118470] ? smp_call_function_single_interrupt+0x650/0x650 [ 375.124354] ? interrupt_entry+0xb5/0xc0 [ 375.128417] ? trace_hardirqs_off_caller+0xbb/0x310 [ 375.133432] ? trace_hardirqs_off_caller+0xbb/0x310 [ 375.138452] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 375.143315] ? trace_hardirqs_on_caller+0x310/0x310 [ 375.148363] ? trace_hardirqs_on_caller+0x310/0x310 [ 375.153380] ? task_prio+0x50/0x50 [ 375.156939] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.162479] ? check_preemption_disabled+0x48/0x280 [ 375.167503] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 375.172353] apic_timer_interrupt+0xf/0x20 [ 375.176583] [ 375.178825] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 375.184023] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 375.202943] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 375.210664] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e [ 375.217928] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc [ 375.225193] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 375.232462] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000 [ 375.239726] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 375.247046] retint_kernel+0x1b/0x2d [ 375.250767] RIP: 0010:dump_stack+0x358/0x39d [ 375.255179] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 375.274108] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 375.281815] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e [ 375.289085] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 375.296350] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 375.303617] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45 [ 375.310884] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 375.318226] ? dump_stack+0x34f/0x39d [ 375.322054] ? dump_stack_print_info.cold.1+0x20/0x20 [ 375.327251] ? mark_held_locks+0x130/0x130 [ 375.331492] ? mark_held_locks+0x130/0x130 [ 375.335732] dump_header+0x27b/0xf72 [ 375.339458] ? pagefault_out_of_memory+0x197/0x197 [ 375.344410] ? __lock_acquire+0x62f/0x4c20 [ 375.348691] ? percpu_ref_get_many+0x240/0x240 [ 375.353276] ? print_usage_bug+0xc0/0xc0 [ 375.357344] ? zap_class+0x640/0x640 [ 375.361068] ? print_usage_bug+0xc0/0xc0 [ 375.365147] ? print_usage_bug+0xc0/0xc0 [ 375.369238] ? zap_class+0x640/0x640 [ 375.372971] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.378550] ? find_held_lock+0x36/0x1c0 [ 375.382622] ? mark_held_locks+0xc7/0x130 [ 375.386775] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 375.391881] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 375.397004] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 375.401605] ? trace_hardirqs_on+0xbd/0x310 [ 375.405927] ? kasan_check_read+0x11/0x20 [ 375.410086] ? ___ratelimit+0x3b4/0x672 [ 375.414067] ? trace_hardirqs_off_caller+0x310/0x310 [ 375.419189] ? trace_hardirqs_on+0x310/0x310 [ 375.423599] ? lock_downgrade+0x900/0x900 [ 375.427752] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 375.432856] ? ___ratelimit+0x3b9/0x672 [ 375.436836] ? idr_get_free+0xf70/0xf70 [ 375.440808] ? find_held_lock+0x36/0x1c0 [ 375.444881] oom_kill_process.cold.27+0x10/0x903 [ 375.449640] ? zap_class+0x640/0x640 [ 375.453359] ? check_preemption_disabled+0x48/0x280 [ 375.458378] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 375.463305] ? kasan_check_read+0x11/0x20 [ 375.467464] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 375.472744] ? oom_evaluate_task+0x540/0x540 [ 375.477158] ? find_held_lock+0x36/0x1c0 [ 375.481229] ? out_of_memory+0x974/0x1430 [ 375.485383] ? lock_downgrade+0x900/0x900 [ 375.489532] ? check_preemption_disabled+0x48/0x280 [ 375.494550] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 375.499484] ? kasan_check_read+0x11/0x20 [ 375.503646] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 375.508925] ? rcu_softirq_qs+0x20/0x20 [ 375.512904] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 375.518437] ? oom_evaluate_task+0x302/0x540 [ 375.522895] out_of_memory+0xa84/0x1430 [ 375.526884] ? oom_killer_disable+0x3a0/0x3a0 [ 375.531402] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 375.536349] ? __ww_mutex_check_waiters+0x160/0x160 [ 375.541381] __alloc_pages_slowpath+0x2354/0x2e10 [ 375.546272] ? warn_alloc+0x120/0x120 [ 375.550090] ? mark_held_locks+0x130/0x130 [ 375.554335] ? find_get_entry+0xaae/0x1120 [ 375.558595] ? filemap_map_pages+0x1a20/0x1a20 [ 375.563180] ? zap_class+0x640/0x640 [ 375.566901] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.572471] ? check_preemption_disabled+0x48/0x280 [ 375.577520] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 375.583065] ? should_fail+0x22d/0xd01 [ 375.586974] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 375.592103] ? zap_class+0x640/0x640 [ 375.595842] ? __lock_is_held+0xb5/0x140 [ 375.599919] ? mark_held_locks+0x130/0x130 [ 375.604160] ? lock_release+0xa00/0xa00 [ 375.608139] ? perf_trace_sched_process_exec+0x860/0x860 [ 375.613592] ? xa_load+0x2ba/0x460 [ 375.617142] ? lock_downgrade+0x900/0x900 [ 375.621295] ? __might_sleep+0x95/0x190 [ 375.625277] __alloc_pages_nodemask+0xa80/0xde0 [ 375.629956] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 375.634974] ? __page_cache_alloc+0x191/0x5c0 [ 375.639471] ? xa_load+0x2e1/0x460 [ 375.643026] ? xa_clear_mark+0x40/0x40 [ 375.646926] ? zap_class+0x640/0x640 [ 375.650652] ? zap_class+0x640/0x640 [ 375.654366] ? zap_class+0x640/0x640 [ 375.658076] ? __do_page_cache_readahead+0x663/0x810 [ 375.663186] ? find_held_lock+0x36/0x1c0 [ 375.667254] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 375.672800] alloc_pages_current+0x173/0x350 [ 375.677214] __page_cache_alloc+0x38c/0x5c0 [ 375.681534] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 375.686462] ? kasan_check_read+0x11/0x20 [ 375.690607] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 375.695888] ? generic_perform_write+0x6a0/0x6a0 [ 375.700643] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 375.706182] ? check_preemption_disabled+0x48/0x280 [ 375.711208] filemap_fault+0x1595/0x25f0 [ 375.715317] ? __lock_page_or_retry+0xa00/0xa00 [ 375.719989] ? mark_held_locks+0x130/0x130 [ 375.724281] ? filemap_map_pages+0xd6b/0x1a20 [ 375.728795] ? lock_downgrade+0x900/0x900 [ 375.732946] ? check_preemption_disabled+0x48/0x280 [ 375.737964] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 375.742889] ? kasan_check_read+0x11/0x20 [ 375.747072] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 375.752402] ? rcu_softirq_qs+0x20/0x20 [ 375.756416] ? filemap_map_pages+0xd92/0x1a20 [ 375.760936] ? find_get_entries_tag+0x1400/0x1400 [ 375.765776] ? ep_scan_ready_list+0xbc7/0x1050 [ 375.770356] ? trace_hardirqs_off_caller+0x310/0x310 [ 375.775471] ? lock_acquire+0x1ed/0x520 [ 375.779443] ? ext4_filemap_fault+0x7a/0xad [ 375.783778] ? lock_release+0xa00/0xa00 [ 375.787748] ? perf_trace_sched_process_exec+0x860/0x860 [ 375.793313] ? print_usage_bug+0xc0/0xc0 [ 375.797392] ? print_usage_bug+0xc0/0xc0 [ 375.801481] ? down_read+0x8d/0x120 [ 375.805107] ? ext4_filemap_fault+0x7a/0xad [ 375.809431] ? __down_interruptible+0x700/0x700 [ 375.814107] ext4_filemap_fault+0x82/0xad [ 375.818272] __do_fault+0x100/0x6b0 [ 375.821911] ? pmd_devmap_trans_unstable+0x220/0x220 [ 375.827023] ? mark_held_locks+0x130/0x130 [ 375.831297] ? mark_held_locks+0x130/0x130 [ 375.835530] ? kasan_check_read+0x11/0x20 [ 375.839681] ? ep_poll+0xffa/0x13d0 [ 375.843313] ? trace_hardirqs_off_caller+0x310/0x310 [ 375.848421] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 375.853963] __handle_mm_fault+0x3ea0/0x5be0 [ 375.858373] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.863922] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 375.868768] ? do_epoll_create+0x590/0x590 [ 375.873002] ? kasan_check_read+0x11/0x20 [ 375.877186] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 375.882461] ? rcu_softirq_qs+0x20/0x20 [ 375.886453] ? zap_class+0x640/0x640 [ 375.890167] ? zap_class+0x640/0x640 [ 375.893905] ? find_held_lock+0x36/0x1c0 [ 375.897974] ? handle_mm_fault+0x42a/0xc70 [ 375.902235] ? lock_downgrade+0x900/0x900 [ 375.906385] ? check_preemption_disabled+0x48/0x280 [ 375.911407] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 375.916355] ? kasan_check_read+0x11/0x20 [ 375.920517] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 375.925792] ? rcu_softirq_qs+0x20/0x20 [ 375.929771] ? trace_hardirqs_off_caller+0x310/0x310 [ 375.934876] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 375.940445] ? check_preemption_disabled+0x48/0x280 [ 375.945507] handle_mm_fault+0x54f/0xc70 [ 375.949586] ? __handle_mm_fault+0x5be0/0x5be0 [ 375.954188] ? find_vma+0x34/0x190 [ 375.957737] __do_page_fault+0x5e8/0xe60 [ 375.961813] ? trace_hardirqs_off+0xb8/0x310 [ 375.966220] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 375.971768] do_page_fault+0xf2/0x7e0 [ 375.975572] ? vmalloc_sync_all+0x30/0x30 [ 375.979722] ? error_entry+0x70/0xd0 [ 375.983453] ? trace_hardirqs_off_caller+0xbb/0x310 [ 375.988479] ? trace_hardirqs_on_caller+0xc0/0x310 [ 375.993410] ? syscall_return_slowpath+0x5e0/0x5e0 [ 375.998337] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 376.003178] ? trace_hardirqs_on_caller+0x310/0x310 [ 376.008194] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 376.013679] ? prepare_exit_to_usermode+0x291/0x3b0 [ 376.018698] ? page_fault+0x8/0x30 [ 376.022241] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 376.027102] ? page_fault+0x8/0x30 [ 376.030646] page_fault+0x1e/0x30 [ 376.034095] RIP: 0033:0x45df89 [ 376.037299] Code: Bad RIP value. [ 376.040673] RSP: 002b:000000c42017b850 EFLAGS: 00010246 [ 376.046044] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89 [ 376.053333] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004 [ 376.060602] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500 [ 376.067867] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8 [ 376.075135] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff [ 376.082429] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145 [ 376.082492] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 376.089791] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 376.089800] Call Trace: [ 376.096362] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 376.105622] [ 376.108194] syz-fuzzer cpuset=/ mems_allowed=0 [ 376.118431] dump_stack+0x244/0x39d [ 376.128758] ? dump_stack_print_info.cold.1+0x20/0x20 [ 376.133961] warn_alloc.cold.116+0xb7/0x1bd [ 376.138285] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 376.143131] ? lock_downgrade+0x900/0x900 [ 376.147285] ? trace_hardirqs_off+0xb8/0x310 [ 376.151701] ? trace_hardirqs_off+0xb8/0x310 [ 376.156130] __alloc_pages_slowpath+0x26e8/0x2e10 [ 376.161003] ? warn_alloc+0x120/0x120 [ 376.164815] ? print_usage_bug+0xc0/0xc0 [ 376.168881] ? warn_alloc+0x120/0x120 [ 376.172688] ? warn_alloc+0x120/0x120 [ 376.176489] ? print_usage_bug+0xc0/0xc0 [ 376.180564] ? print_usage_bug+0xc0/0xc0 [ 376.184626] ? __lock_acquire+0x62f/0x4c20 [ 376.188865] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 376.194598] ? should_fail+0x22d/0xd01 [ 376.198510] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 376.203616] ? __lock_acquire+0x62f/0x4c20 [ 376.207856] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 376.212971] ? __lock_acquire+0x62f/0x4c20 [ 376.217228] ? should_fail+0x22d/0xd01 [ 376.221133] ? find_held_lock+0x36/0x1c0 [ 376.225201] ? mark_held_locks+0x130/0x130 [ 376.229441] ? mark_held_locks+0x130/0x130 [ 376.233677] ? zap_class+0x640/0x640 [ 376.237394] ? zap_class+0x640/0x640 [ 376.241112] ? print_usage_bug+0xc0/0xc0 [ 376.245177] ? do_raw_spin_unlock+0xa7/0x330 [ 376.249584] ? zap_class+0x640/0x640 [ 376.253300] ? print_usage_bug+0xc0/0xc0 [ 376.257362] ? wq_watchdog_touch+0x9c/0xfe [ 376.261600] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.267140] ? check_preemption_disabled+0x48/0x280 [ 376.272171] ? __lock_is_held+0xb5/0x140 [ 376.276241] __alloc_pages_nodemask+0xa80/0xde0 [ 376.280913] ? zap_class+0x640/0x640 [ 376.284634] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 376.289661] ? find_held_lock+0x36/0x1c0 [ 376.293731] ? ____cache_alloc_node+0x1c7/0x1e0 [ 376.298423] ? lock_downgrade+0x900/0x900 [ 376.302580] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.308124] cache_grow_begin+0xa5/0x8c0 [ 376.312183] ? do_raw_spin_unlock+0xa7/0x330 [ 376.316613] fallback_alloc+0x204/0x2e0 [ 376.320598] ____cache_alloc_node+0x1c7/0x1e0 [ 376.325104] kmem_cache_alloc_node+0xe3/0x730 [ 376.329641] ? ipv6_get_ifaddr+0x42e/0x620 [ 376.333888] __alloc_skb+0x119/0x770 [ 376.337604] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 376.342887] ? netdev_alloc_frag+0x1f0/0x1f0 [ 376.347294] ? lock_downgrade+0x900/0x900 [ 376.351447] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.356984] ? refcount_sub_and_test_checked+0x203/0x310 [ 376.362440] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 376.367889] ? addrconf_rs_timer+0x690/0x690 [ 376.372312] ndisc_alloc_skb+0x144/0x340 [ 376.376393] ndisc_send_rs+0x331/0x6e0 [ 376.380295] addrconf_rs_timer+0x314/0x690 [ 376.384535] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.388818] call_timer_fn+0x272/0x920 [ 376.392705] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.396944] ? process_timeout+0x40/0x40 [ 376.401024] ? __run_timers+0x7da/0xc70 [ 376.405002] ? _raw_spin_unlock_irq+0x27/0x80 [ 376.409504] ? _raw_spin_unlock_irq+0x27/0x80 [ 376.413999] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.418245] ? lockdep_hardirqs_on+0x296/0x5b0 [ 376.422834] ? trace_hardirqs_on+0xbd/0x310 [ 376.427171] ? kasan_check_read+0x11/0x20 [ 376.431317] ? __run_timers+0x7da/0xc70 [ 376.435297] ? trace_hardirqs_off_caller+0x310/0x310 [ 376.440409] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.444648] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.448886] __run_timers+0x7e5/0xc70 [ 376.452703] ? timer_fixup_init+0x70/0x70 [ 376.456854] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 376.461873] ? zap_class+0x640/0x640 [ 376.465595] ? enqueue_hrtimer+0x1a5/0x560 [ 376.469833] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 376.475041] ? find_held_lock+0x36/0x1c0 [ 376.479123] ? zap_class+0x640/0x640 [ 376.482840] ? pvclock_read_flags+0x160/0x160 [ 376.487353] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.492934] ? check_preemption_disabled+0x48/0x280 [ 376.498030] ? __lock_is_held+0xb5/0x140 [ 376.502115] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.507657] ? check_preemption_disabled+0x48/0x280 [ 376.512677] run_timer_softirq+0x52/0xb0 [ 376.516768] ? rcu_read_lock_sched_held+0x14f/0x180 [ 376.521786] __do_softirq+0x308/0xb7e [ 376.525594] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 376.530088] ? lock_downgrade+0x900/0x900 [ 376.534245] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 376.539357] ? pvclock_read_flags+0x160/0x160 [ 376.543858] ? lapic_next_event+0x5a/0x90 [ 376.548013] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.553581] ? kvm_clock_read+0x18/0x30 [ 376.557560] ? kvm_sched_clock_read+0x9/0x20 [ 376.561974] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.567534] ? check_preemption_disabled+0x48/0x280 [ 376.572570] irq_exit+0x17f/0x1c0 [ 376.576033] smp_apic_timer_interrupt+0x1cb/0x760 [ 376.580893] ? smp_reschedule_interrupt+0x109/0x650 [ 376.585930] ? smp_call_function_single_interrupt+0x650/0x650 [ 376.591819] ? interrupt_entry+0xb5/0xc0 [ 376.595882] ? trace_hardirqs_off_caller+0xbb/0x310 [ 376.600913] ? trace_hardirqs_off_caller+0xbb/0x310 [ 376.605931] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 376.610944] ? trace_hardirqs_on_caller+0x310/0x310 [ 376.615953] ? trace_hardirqs_on_caller+0x310/0x310 [ 376.620994] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 376.625885] apic_timer_interrupt+0xf/0x20 [ 376.630141] [ 376.632377] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 376.637333] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7 [ 376.656233] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 376.663938] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 376.671203] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286 [ 376.678484] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000 [ 376.685752] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 376.693026] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020 [ 376.700330] skb_clone+0x1bb/0x500 [ 376.703876] ? finish_task_switch+0x2f4/0x910 [ 376.708375] ? skb_split+0x11e0/0x11e0 [ 376.712284] ? preempt_notifier_register+0x200/0x200 [ 376.717389] ? __switch_to_asm+0x34/0x70 [ 376.721449] ? __switch_to_asm+0x34/0x70 [ 376.725509] ? __switch_to_asm+0x40/0x70 [ 376.729609] ? __switch_to_asm+0x34/0x70 [ 376.733667] ? __switch_to_asm+0x40/0x70 [ 376.737723] ? __switch_to_asm+0x34/0x70 [ 376.741781] ? __switch_to_asm+0x40/0x70 [ 376.746292] ? __switch_to_asm+0x34/0x70 [ 376.750358] ? __switch_to_asm+0x34/0x70 [ 376.754416] ? __switch_to_asm+0x40/0x70 [ 376.758474] ? __switch_to_asm+0x34/0x70 [ 376.762547] bpf_clone_redirect+0xb9/0x490 [ 376.766799] ? __schedule+0x8d7/0x21d0 [ 376.770694] bpf_prog_bebbfe2050753572+0x1d8/0x1000 [ 376.775712] ? __sched_text_start+0x8/0x8 [ 376.779864] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 376.784445] ? retint_kernel+0x2d/0x2d [ 376.788331] ? trace_hardirqs_on_caller+0xc0/0x310 [ 376.793266] ? find_held_lock+0x36/0x1c0 [ 376.797338] ? lock_acquire+0x1ed/0x520 [ 376.801313] ? bpf_test_run+0x3cb/0x780 [ 376.805294] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.810851] ? check_preemption_disabled+0x48/0x280 [ 376.815877] ? kasan_check_read+0x11/0x20 [ 376.820038] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 376.825317] ? rcu_softirq_qs+0x20/0x20 [ 376.829295] ? preempt_schedule+0x4d/0x60 [ 376.833444] ? ___preempt_schedule+0x16/0x18 [ 376.837864] ? bpf_test_run+0x25d/0x780 [ 376.841852] ? netlink_diag_dump+0x2a0/0x2a0 [ 376.846265] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 376.851803] ? bpf_test_init.isra.10+0x70/0x100 [ 376.856483] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 376.861294] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 376.866155] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 376.871692] ? fput+0x130/0x1a0 [ 376.874976] ? __bpf_prog_get+0x9b/0x290 [ 376.879061] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 376.883902] ? bpf_prog_test_run+0x130/0x1a0 [ 376.888334] ? __x64_sys_bpf+0x3d8/0x520 [ 376.892397] ? bpf_prog_get+0x20/0x20 [ 376.896219] ? do_syscall_64+0x1b9/0x820 [ 376.900281] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 376.905651] ? syscall_return_slowpath+0x5e0/0x5e0 [ 376.910581] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 376.915426] ? trace_hardirqs_on_caller+0x310/0x310 [ 376.920444] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 376.925513] ? prepare_exit_to_usermode+0x291/0x3b0 [ 376.930560] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 376.935412] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 376.940798] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145 [ 376.940804] warn_alloc_show_mem: 1 callbacks suppressed [ 376.940811] Mem-Info: [ 376.947819] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 376.953184] active_anon:51179 inactive_anon:236 isolated_anon:0 [ 376.953184] active_file:17 inactive_file:9 isolated_file:0 [ 376.953184] unevictable:0 dirty:0 writeback:0 unstable:0 [ 376.953184] slab_reclaimable:9362 slab_unreclaimable:1467319 [ 376.953184] mapped:16386 shmem:283 pagetables:457 bounce:0 [ 376.953184] free:13694 free_pcp:258 free_cma:0 [ 376.955584] Call Trace: [ 376.965013] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 376.997942] [ 377.000514] 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 [ 377.028029] dump_stack+0x244/0x39d [ 377.030154] lowmem_reserve[]: 0 2818 6321 6321 [ 377.056272] ? dump_stack_print_info.cold.1+0x20/0x20 [ 377.059887] Node 0 DMA32 free:24972kB 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:0kB local_pcp:0kB free_cma:0kB [ 377.064473] warn_alloc.cold.116+0xb7/0x1bd [ 377.069631] lowmem_reserve[]: 0 0 3503 3503 [ 377.096775] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 377.101114] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB [ 377.105432] ? lock_downgrade+0x900/0x900 [ 377.110246] lowmem_reserve[]: 0 0 0 0 [ 377.139219] ? trace_hardirqs_off+0xb8/0x310 [ 377.143339] 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 [ 377.147149] ? trace_hardirqs_off+0xb8/0x310 [ 377.151531] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB [ 377.165061] __alloc_pages_slowpath+0x26e8/0x2e10 [ 377.169470] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB [ 377.184671] ? warn_alloc+0x120/0x120 [ 377.189478] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 377.203701] ? print_usage_bug+0xc0/0xc0 [ 377.207487] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 377.216309] ? warn_alloc+0x120/0x120 [ 377.220352] 309 total pagecache pages [ 377.228922] ? warn_alloc+0x120/0x120 [ 377.232702] 0 pages in swap cache [ 377.236500] ? print_usage_bug+0xc0/0xc0 [ 377.240280] Swap cache stats: add 0, delete 0, find 0/0 [ 377.243751] ? kvm_clock_read+0x18/0x30 [ 377.247786] Free swap = 0kB [ 377.253176] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 377.257126] Total swap = 0kB [ 377.260138] ? print_usage_bug+0xc0/0xc0 [ 377.265131] 1965979 pages RAM [ 377.268146] ? __lock_acquire+0x62f/0x4c20 [ 377.272184] 0 pages HighMem/MovableOnly [ 377.275299] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 377.279501] 342853 pages reserved [ 377.283469] ? should_fail+0x22d/0xd01 [ 377.288975] 0 pages cma reserved [ 377.292416] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 377.296355] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 377.299659] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 377.305010] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 377.311418] ? __lock_acquire+0x62f/0x4c20 [ 377.316498] syz-executor2 cpuset=syz2 mems_allowed=0 [ 377.326977] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 377.341381] ? __lock_acquire+0x62f/0x4c20 [ 377.345618] ? should_fail+0x22d/0xd01 [ 377.349506] ? rcu_irq_exit+0x1a2/0x390 [ 377.353491] ? mark_held_locks+0x130/0x130 [ 377.357747] ? mark_held_locks+0x130/0x130 [ 377.362007] ? mark_held_locks+0xc7/0x130 [ 377.366168] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 377.371182] ? zap_class+0x640/0x640 [ 377.374896] ? print_usage_bug+0xc0/0xc0 [ 377.378963] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.384500] ? check_preemption_disabled+0x48/0x280 [ 377.389526] ? __lock_is_held+0xb5/0x140 [ 377.393594] __alloc_pages_nodemask+0xa80/0xde0 [ 377.398264] ? zap_class+0x640/0x640 [ 377.401984] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 377.407046] ? find_held_lock+0x36/0x1c0 [ 377.411151] ? ____cache_alloc_node+0x1c7/0x1e0 [ 377.415823] ? lock_downgrade+0x900/0x900 [ 377.419978] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.425520] cache_grow_begin+0xa5/0x8c0 [ 377.429584] ? do_raw_spin_unlock+0xa7/0x330 [ 377.434001] fallback_alloc+0x204/0x2e0 [ 377.437998] ____cache_alloc_node+0x1c7/0x1e0 [ 377.442510] kmem_cache_alloc_node+0xe3/0x730 [ 377.447007] ? ipv6_get_ifaddr+0x42e/0x620 [ 377.451284] __alloc_skb+0x119/0x770 [ 377.455023] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 377.460320] ? netdev_alloc_frag+0x1f0/0x1f0 [ 377.464727] ? lock_downgrade+0x900/0x900 [ 377.468882] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.474424] ? refcount_sub_and_test_checked+0x203/0x310 [ 377.479897] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 377.485348] ? addrconf_rs_timer+0x690/0x690 [ 377.489770] ndisc_alloc_skb+0x144/0x340 [ 377.493854] ndisc_send_rs+0x331/0x6e0 [ 377.497750] addrconf_rs_timer+0x314/0x690 [ 377.502028] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 377.506295] call_timer_fn+0x272/0x920 [ 377.510186] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 377.514422] ? process_timeout+0x40/0x40 [ 377.518526] ? mark_held_locks+0xc7/0x130 [ 377.522708] ? _raw_spin_unlock_irq+0x27/0x80 [ 377.527202] ? _raw_spin_unlock_irq+0x27/0x80 [ 377.531701] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 377.535937] ? lockdep_hardirqs_on+0x296/0x5b0 [ 377.540525] ? trace_hardirqs_on+0xbd/0x310 [ 377.544847] ? kasan_check_read+0x11/0x20 [ 377.549032] ? __run_timers+0x7da/0xc70 [ 377.553035] ? trace_hardirqs_off_caller+0x310/0x310 [ 377.558152] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 377.562395] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 377.566629] __run_timers+0x7e5/0xc70 [ 377.570516] ? timer_fixup_init+0x70/0x70 [ 377.574667] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 377.579687] ? zap_class+0x640/0x640 [ 377.583422] ? print_usage_bug+0xc0/0xc0 [ 377.587489] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 377.592688] ? find_held_lock+0x36/0x1c0 [ 377.596760] ? zap_class+0x640/0x640 [ 377.600482] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.606030] ? check_preemption_disabled+0x48/0x280 [ 377.611107] ? __lock_is_held+0xb5/0x140 [ 377.615187] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.620726] ? check_preemption_disabled+0x48/0x280 [ 377.625745] run_timer_softirq+0x52/0xb0 [ 377.629824] ? rcu_read_lock_sched_held+0x14f/0x180 [ 377.634843] __do_softirq+0x308/0xb7e [ 377.638666] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 377.643159] ? lock_downgrade+0x900/0x900 [ 377.647312] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 377.652427] ? pvclock_read_flags+0x160/0x160 [ 377.656928] ? lapic_next_event+0x5a/0x90 [ 377.661082] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.666621] ? kvm_clock_read+0x18/0x30 [ 377.670595] ? kvm_sched_clock_read+0x9/0x20 [ 377.675004] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.680550] ? check_preemption_disabled+0x48/0x280 [ 377.685576] irq_exit+0x17f/0x1c0 [ 377.689048] smp_apic_timer_interrupt+0x1cb/0x760 [ 377.693892] ? smp_reschedule_interrupt+0x109/0x650 [ 377.698912] ? smp_call_function_single_interrupt+0x650/0x650 [ 377.704793] ? interrupt_entry+0xb5/0xc0 [ 377.708855] ? trace_hardirqs_off_caller+0xbb/0x310 [ 377.713891] ? trace_hardirqs_off_caller+0xbb/0x310 [ 377.718914] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 377.723759] ? trace_hardirqs_on_caller+0x310/0x310 [ 377.728773] ? trace_hardirqs_on_caller+0x310/0x310 [ 377.733807] ? task_prio+0x50/0x50 [ 377.737351] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.742904] ? check_preemption_disabled+0x48/0x280 [ 377.747930] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 377.752800] apic_timer_interrupt+0xf/0x20 [ 377.757077] [ 377.759316] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 377.764508] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 377.783421] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 377.791143] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e [ 377.798425] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc [ 377.805707] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 377.812974] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000 [ 377.820294] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 377.827607] retint_kernel+0x1b/0x2d [ 377.831325] RIP: 0010:dump_stack+0x358/0x39d [ 377.835736] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 377.854653] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 377.862392] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e [ 377.869656] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 377.876921] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 377.884189] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45 [ 377.891471] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 377.898758] ? dump_stack+0x34f/0x39d [ 377.902570] ? dump_stack_print_info.cold.1+0x20/0x20 [ 377.907766] ? mark_held_locks+0x130/0x130 [ 377.912002] ? mark_held_locks+0x130/0x130 [ 377.916256] dump_header+0x27b/0xf72 [ 377.919986] ? pagefault_out_of_memory+0x197/0x197 [ 377.924932] ? __lock_acquire+0x62f/0x4c20 [ 377.929171] ? percpu_ref_get_many+0x240/0x240 [ 377.933791] ? print_usage_bug+0xc0/0xc0 [ 377.937877] ? zap_class+0x640/0x640 [ 377.941596] ? print_usage_bug+0xc0/0xc0 [ 377.945660] ? print_usage_bug+0xc0/0xc0 [ 377.949727] ? zap_class+0x640/0x640 [ 377.953447] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.958989] ? find_held_lock+0x36/0x1c0 [ 377.963071] ? mark_held_locks+0xc7/0x130 [ 377.967223] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 377.972325] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 377.977430] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 377.982014] ? trace_hardirqs_on+0xbd/0x310 [ 377.986349] ? kasan_check_read+0x11/0x20 [ 377.990496] ? ___ratelimit+0x3b4/0x672 [ 377.994487] ? trace_hardirqs_off_caller+0x310/0x310 [ 377.999593] ? trace_hardirqs_on+0x310/0x310 [ 378.004006] ? lock_downgrade+0x900/0x900 [ 378.008173] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 378.013278] ? ___ratelimit+0x3b9/0x672 [ 378.017255] ? idr_get_free+0xf70/0xf70 [ 378.021232] ? find_held_lock+0x36/0x1c0 [ 378.025309] oom_kill_process.cold.27+0x10/0x903 [ 378.030069] ? zap_class+0x640/0x640 [ 378.033788] ? check_preemption_disabled+0x48/0x280 [ 378.038808] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 378.043752] ? kasan_check_read+0x11/0x20 [ 378.047907] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 378.053186] ? oom_evaluate_task+0x540/0x540 [ 378.057612] ? find_held_lock+0x36/0x1c0 [ 378.061708] ? out_of_memory+0x974/0x1430 [ 378.065857] ? lock_downgrade+0x900/0x900 [ 378.070029] ? check_preemption_disabled+0x48/0x280 [ 378.075099] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 378.080036] ? kasan_check_read+0x11/0x20 [ 378.084191] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 378.089467] ? rcu_softirq_qs+0x20/0x20 [ 378.093453] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 378.098990] ? oom_evaluate_task+0x302/0x540 [ 378.103412] out_of_memory+0xa84/0x1430 [ 378.107400] ? oom_killer_disable+0x3a0/0x3a0 [ 378.111901] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 378.116834] ? __ww_mutex_check_waiters+0x160/0x160 [ 378.121861] __alloc_pages_slowpath+0x2354/0x2e10 [ 378.126752] ? warn_alloc+0x120/0x120 [ 378.130554] ? mark_held_locks+0x130/0x130 [ 378.134799] ? find_get_entry+0xaae/0x1120 [ 378.139071] ? filemap_map_pages+0x1a20/0x1a20 [ 378.143674] ? zap_class+0x640/0x640 [ 378.147413] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.152951] ? check_preemption_disabled+0x48/0x280 [ 378.157973] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 378.163525] ? should_fail+0x22d/0xd01 [ 378.167435] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 378.172538] ? zap_class+0x640/0x640 [ 378.176276] ? __lock_is_held+0xb5/0x140 [ 378.180345] ? mark_held_locks+0x130/0x130 [ 378.184581] ? lock_release+0xa00/0xa00 [ 378.188554] ? perf_trace_sched_process_exec+0x860/0x860 [ 378.194003] ? xa_load+0x2ba/0x460 [ 378.197562] ? lock_downgrade+0x900/0x900 [ 378.201718] ? __might_sleep+0x95/0x190 [ 378.205698] __alloc_pages_nodemask+0xa80/0xde0 [ 378.210402] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 378.215445] ? __page_cache_alloc+0x191/0x5c0 [ 378.219939] ? xa_load+0x2e1/0x460 [ 378.223483] ? xa_clear_mark+0x40/0x40 [ 378.227388] ? zap_class+0x640/0x640 [ 378.231111] ? zap_class+0x640/0x640 [ 378.234839] ? zap_class+0x640/0x640 [ 378.238557] ? __do_page_cache_readahead+0x663/0x810 [ 378.243668] ? find_held_lock+0x36/0x1c0 [ 378.247736] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 378.253287] alloc_pages_current+0x173/0x350 [ 378.257702] __page_cache_alloc+0x38c/0x5c0 [ 378.262075] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 378.267059] ? kasan_check_read+0x11/0x20 [ 378.271206] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 378.276520] ? generic_perform_write+0x6a0/0x6a0 [ 378.281295] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 378.286838] ? check_preemption_disabled+0x48/0x280 [ 378.291864] filemap_fault+0x1595/0x25f0 [ 378.295940] ? __lock_page_or_retry+0xa00/0xa00 [ 378.300621] ? mark_held_locks+0x130/0x130 [ 378.304864] ? filemap_map_pages+0xd6b/0x1a20 [ 378.309362] ? lock_downgrade+0x900/0x900 [ 378.313511] ? check_preemption_disabled+0x48/0x280 [ 378.318559] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 378.323504] ? kasan_check_read+0x11/0x20 [ 378.327648] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 378.332927] ? rcu_softirq_qs+0x20/0x20 [ 378.336914] ? filemap_map_pages+0xd92/0x1a20 [ 378.341450] ? find_get_entries_tag+0x1400/0x1400 [ 378.346293] ? ep_scan_ready_list+0xbc7/0x1050 [ 378.350878] ? trace_hardirqs_off_caller+0x310/0x310 [ 378.356013] ? lock_acquire+0x1ed/0x520 [ 378.360003] ? ext4_filemap_fault+0x7a/0xad [ 378.364375] ? lock_release+0xa00/0xa00 [ 378.368363] ? perf_trace_sched_process_exec+0x860/0x860 [ 378.373844] ? print_usage_bug+0xc0/0xc0 [ 378.377907] ? print_usage_bug+0xc0/0xc0 [ 378.381981] ? down_read+0x8d/0x120 [ 378.385637] ? ext4_filemap_fault+0x7a/0xad [ 378.389963] ? __down_interruptible+0x700/0x700 [ 378.394672] ext4_filemap_fault+0x82/0xad [ 378.398836] __do_fault+0x100/0x6b0 [ 378.402471] ? pmd_devmap_trans_unstable+0x220/0x220 [ 378.407577] ? mark_held_locks+0x130/0x130 [ 378.411813] ? mark_held_locks+0x130/0x130 [ 378.416060] ? kasan_check_read+0x11/0x20 [ 378.420213] ? ep_poll+0xffa/0x13d0 [ 378.423842] ? trace_hardirqs_off_caller+0x310/0x310 [ 378.428954] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 378.434586] __handle_mm_fault+0x3ea0/0x5be0 [ 378.438995] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.444580] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 378.449427] ? do_epoll_create+0x590/0x590 [ 378.453663] ? kasan_check_read+0x11/0x20 [ 378.457809] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 378.463085] ? rcu_softirq_qs+0x20/0x20 [ 378.467107] ? zap_class+0x640/0x640 [ 378.470822] ? zap_class+0x640/0x640 [ 378.474542] ? find_held_lock+0x36/0x1c0 [ 378.478616] ? handle_mm_fault+0x42a/0xc70 [ 378.482853] ? lock_downgrade+0x900/0x900 [ 378.487023] ? check_preemption_disabled+0x48/0x280 [ 378.492061] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 378.496987] ? kasan_check_read+0x11/0x20 [ 378.501164] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 378.506439] ? rcu_softirq_qs+0x20/0x20 [ 378.510414] ? trace_hardirqs_off_caller+0x310/0x310 [ 378.515517] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 378.521066] ? check_preemption_disabled+0x48/0x280 [ 378.526094] handle_mm_fault+0x54f/0xc70 [ 378.530163] ? __handle_mm_fault+0x5be0/0x5be0 [ 378.534754] ? find_vma+0x34/0x190 [ 378.538303] __do_page_fault+0x5e8/0xe60 [ 378.542367] ? trace_hardirqs_off+0xb8/0x310 [ 378.546780] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 378.552329] do_page_fault+0xf2/0x7e0 [ 378.556132] ? vmalloc_sync_all+0x30/0x30 [ 378.560282] ? error_entry+0x70/0xd0 [ 378.564001] ? trace_hardirqs_off_caller+0xbb/0x310 [ 378.569034] ? trace_hardirqs_on_caller+0xc0/0x310 [ 378.573974] ? syscall_return_slowpath+0x5e0/0x5e0 [ 378.578905] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 378.583753] ? trace_hardirqs_on_caller+0x310/0x310 [ 378.588767] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 378.594219] ? prepare_exit_to_usermode+0x291/0x3b0 [ 378.599269] ? page_fault+0x8/0x30 [ 378.602845] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 378.607694] ? page_fault+0x8/0x30 [ 378.611737] page_fault+0x1e/0x30 [ 378.615188] RIP: 0033:0x45df89 [ 378.618419] Code: Bad RIP value. [ 378.621781] RSP: 002b:000000c42017b850 EFLAGS: 00010246 [ 378.627138] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89 [ 378.634400] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004 [ 378.641668] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500 [ 378.648934] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8 [ 378.656201] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff [ 378.663510] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145 [ 378.663600] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 378.670876] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 378.670886] Call Trace: [ 378.677462] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 378.686709] [ 378.689279] syz-fuzzer cpuset=/ mems_allowed=0 [ 378.699501] dump_stack+0x244/0x39d [ 378.709821] ? dump_stack_print_info.cold.1+0x20/0x20 [ 378.715035] warn_alloc.cold.116+0xb7/0x1bd [ 378.719362] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 378.724211] ? lock_downgrade+0x900/0x900 [ 378.728383] ? trace_hardirqs_off+0xb8/0x310 [ 378.732823] ? trace_hardirqs_off+0xb8/0x310 [ 378.737237] __alloc_pages_slowpath+0x26e8/0x2e10 [ 378.742107] ? warn_alloc+0x120/0x120 [ 378.746382] ? print_usage_bug+0xc0/0xc0 [ 378.750461] ? warn_alloc+0x120/0x120 [ 378.754267] ? warn_alloc+0x120/0x120 [ 378.758084] ? print_usage_bug+0xc0/0xc0 [ 378.762147] ? kvm_clock_read+0x18/0x30 [ 378.766125] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 378.771146] ? print_usage_bug+0xc0/0xc0 [ 378.775210] ? __lock_acquire+0x62f/0x4c20 [ 378.779452] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 378.785001] ? should_fail+0x22d/0xd01 [ 378.788929] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 378.794206] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 378.799312] ? __lock_acquire+0x62f/0x4c20 [ 378.803557] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 378.808676] ? __lock_acquire+0x62f/0x4c20 [ 378.812938] ? should_fail+0x22d/0xd01 [ 378.816837] ? rcu_irq_exit+0x1a2/0x390 [ 378.820852] ? mark_held_locks+0x130/0x130 [ 378.825092] ? mark_held_locks+0x130/0x130 [ 378.829334] ? mark_held_locks+0xc7/0x130 [ 378.833481] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 378.838523] ? zap_class+0x640/0x640 [ 378.842245] ? print_usage_bug+0xc0/0xc0 [ 378.846341] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.851881] ? check_preemption_disabled+0x48/0x280 [ 378.856910] ? __lock_is_held+0xb5/0x140 [ 378.860977] __alloc_pages_nodemask+0xa80/0xde0 [ 378.865645] ? zap_class+0x640/0x640 [ 378.869364] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 378.874395] ? find_held_lock+0x36/0x1c0 [ 378.878471] ? ____cache_alloc_node+0x1c7/0x1e0 [ 378.883154] ? lock_downgrade+0x900/0x900 [ 378.887320] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.892867] cache_grow_begin+0xa5/0x8c0 [ 378.896939] ? do_raw_spin_unlock+0xa7/0x330 [ 378.901375] fallback_alloc+0x204/0x2e0 [ 378.905362] ____cache_alloc_node+0x1c7/0x1e0 [ 378.909864] kmem_cache_alloc_node+0xe3/0x730 [ 378.914368] ? ipv6_get_ifaddr+0x42e/0x620 [ 378.918616] __alloc_skb+0x119/0x770 [ 378.922328] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 378.927615] ? netdev_alloc_frag+0x1f0/0x1f0 [ 378.932031] ? lock_downgrade+0x900/0x900 [ 378.936187] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.941729] ? refcount_sub_and_test_checked+0x203/0x310 [ 378.947210] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 378.952674] ? addrconf_rs_timer+0x690/0x690 [ 378.957099] ndisc_alloc_skb+0x144/0x340 [ 378.961165] ndisc_send_rs+0x331/0x6e0 [ 378.965061] addrconf_rs_timer+0x314/0x690 [ 378.969344] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 378.973594] call_timer_fn+0x272/0x920 [ 378.977498] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 378.981732] ? process_timeout+0x40/0x40 [ 378.985816] ? __run_timers+0x7da/0xc70 [ 378.989791] ? _raw_spin_unlock_irq+0x27/0x80 [ 378.994283] ? _raw_spin_unlock_irq+0x27/0x80 [ 378.998791] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 379.003059] ? lockdep_hardirqs_on+0x296/0x5b0 [ 379.007660] ? trace_hardirqs_on+0xbd/0x310 [ 379.011987] ? kasan_check_read+0x11/0x20 [ 379.016155] ? __run_timers+0x7da/0xc70 [ 379.020137] ? trace_hardirqs_off_caller+0x310/0x310 [ 379.025260] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 379.029519] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 379.033799] __run_timers+0x7e5/0xc70 [ 379.037627] ? timer_fixup_init+0x70/0x70 [ 379.041879] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 379.046899] ? zap_class+0x640/0x640 [ 379.050615] ? enqueue_hrtimer+0x1a5/0x560 [ 379.054867] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 379.060065] ? find_held_lock+0x36/0x1c0 [ 379.064139] ? zap_class+0x640/0x640 [ 379.067862] ? pvclock_read_flags+0x160/0x160 [ 379.072363] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.077919] ? check_preemption_disabled+0x48/0x280 [ 379.082947] ? __lock_is_held+0xb5/0x140 [ 379.087009] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.092562] ? check_preemption_disabled+0x48/0x280 [ 379.097640] run_timer_softirq+0x52/0xb0 [ 379.101702] ? rcu_read_lock_sched_held+0x14f/0x180 [ 379.106717] __do_softirq+0x308/0xb7e [ 379.110536] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 379.115040] ? lock_downgrade+0x900/0x900 [ 379.119194] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 379.124305] ? pvclock_read_flags+0x160/0x160 [ 379.128805] ? lapic_next_event+0x5a/0x90 [ 379.132965] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.138508] ? kvm_clock_read+0x18/0x30 [ 379.142500] ? kvm_sched_clock_read+0x9/0x20 [ 379.146912] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.152455] ? check_preemption_disabled+0x48/0x280 [ 379.157498] irq_exit+0x17f/0x1c0 [ 379.160971] smp_apic_timer_interrupt+0x1cb/0x760 [ 379.165809] ? smp_reschedule_interrupt+0x109/0x650 [ 379.170829] ? smp_call_function_single_interrupt+0x650/0x650 [ 379.176711] ? interrupt_entry+0xb5/0xc0 [ 379.180777] ? trace_hardirqs_off_caller+0xbb/0x310 [ 379.185795] ? trace_hardirqs_off_caller+0xbb/0x310 [ 379.190831] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 379.195692] ? trace_hardirqs_on_caller+0x310/0x310 [ 379.200708] ? trace_hardirqs_on_caller+0x310/0x310 [ 379.205751] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 379.210634] apic_timer_interrupt+0xf/0x20 [ 379.214887] [ 379.217159] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 379.222092] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7 [ 379.240989] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 379.248699] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 379.255967] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286 [ 379.263234] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000 [ 379.270503] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 379.277771] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020 [ 379.285085] skb_clone+0x1bb/0x500 [ 379.288632] ? finish_task_switch+0x2f4/0x910 [ 379.293130] ? skb_split+0x11e0/0x11e0 [ 379.297031] ? preempt_notifier_register+0x200/0x200 [ 379.302137] ? __switch_to_asm+0x34/0x70 [ 379.306195] ? __switch_to_asm+0x34/0x70 [ 379.310275] ? __switch_to_asm+0x40/0x70 [ 379.314345] ? __switch_to_asm+0x34/0x70 [ 379.318414] ? __switch_to_asm+0x40/0x70 [ 379.322471] ? __switch_to_asm+0x34/0x70 [ 379.326532] ? __switch_to_asm+0x40/0x70 [ 379.330599] ? __switch_to_asm+0x34/0x70 [ 379.334689] ? __switch_to_asm+0x34/0x70 [ 379.338766] ? __switch_to_asm+0x40/0x70 [ 379.342828] ? __switch_to_asm+0x34/0x70 [ 379.346896] bpf_clone_redirect+0xb9/0x490 [ 379.351148] ? __schedule+0x8d7/0x21d0 [ 379.355045] bpf_prog_bebbfe2050753572+0x1d8/0x1000 [ 379.360087] ? __sched_text_start+0x8/0x8 [ 379.364239] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 379.368820] ? retint_kernel+0x2d/0x2d [ 379.372706] ? trace_hardirqs_on_caller+0xc0/0x310 [ 379.377675] ? find_held_lock+0x36/0x1c0 [ 379.381742] ? lock_acquire+0x1ed/0x520 [ 379.385737] ? bpf_test_run+0x3cb/0x780 [ 379.389717] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.395258] ? check_preemption_disabled+0x48/0x280 [ 379.400284] ? kasan_check_read+0x11/0x20 [ 379.404434] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 379.409709] ? rcu_softirq_qs+0x20/0x20 [ 379.413704] ? preempt_schedule+0x4d/0x60 [ 379.417858] ? ___preempt_schedule+0x16/0x18 [ 379.422278] ? bpf_test_run+0x25d/0x780 [ 379.426267] ? netlink_diag_dump+0x2a0/0x2a0 [ 379.430698] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 379.436238] ? bpf_test_init.isra.10+0x70/0x100 [ 379.440915] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 379.445682] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 379.450560] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 379.456100] ? fput+0x130/0x1a0 [ 379.459384] ? __bpf_prog_get+0x9b/0x290 [ 379.463447] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 379.468287] ? bpf_prog_test_run+0x130/0x1a0 [ 379.472702] ? __x64_sys_bpf+0x3d8/0x520 [ 379.476786] ? bpf_prog_get+0x20/0x20 [ 379.480608] ? do_syscall_64+0x1b9/0x820 [ 379.484671] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 379.490047] ? syscall_return_slowpath+0x5e0/0x5e0 [ 379.494977] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 379.499823] ? trace_hardirqs_on_caller+0x310/0x310 [ 379.504841] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 379.509862] ? prepare_exit_to_usermode+0x291/0x3b0 [ 379.514884] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 379.519750] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 379.525150] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145 [ 379.525155] warn_alloc_show_mem: 1 callbacks suppressed [ 379.525163] Mem-Info: [ 379.532177] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 379.537558] active_anon:51179 inactive_anon:236 isolated_anon:0 [ 379.537558] active_file:17 inactive_file:9 isolated_file:0 [ 379.537558] unevictable:0 dirty:0 writeback:0 unstable:0 [ 379.537558] slab_reclaimable:9362 slab_unreclaimable:1467319 [ 379.537558] mapped:16386 shmem:283 pagetables:457 bounce:0 [ 379.537558] free:13694 free_pcp:258 free_cma:0 [ 379.539922] Call Trace: [ 379.549312] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 379.582069] [ 379.584666] 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 [ 379.612184] dump_stack+0x244/0x39d [ 379.614309] lowmem_reserve[]: 0 2818 6321 6321 [ 379.640465] ? dump_stack_print_info.cold.1+0x20/0x20 [ 379.644071] Node 0 DMA32 free:24972kB 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:0kB local_pcp:0kB free_cma:0kB [ 379.648654] warn_alloc.cold.116+0xb7/0x1bd [ 379.653809] lowmem_reserve[]: 0 0 3503 3503 [ 379.680971] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 379.685272] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB [ 379.689587] ? lock_downgrade+0x900/0x900 [ 379.694407] lowmem_reserve[]: 0 0 0 0 [ 379.723383] ? trace_hardirqs_off+0xb8/0x310 [ 379.727523] 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 [ 379.731338] ? trace_hardirqs_off+0xb8/0x310 [ 379.735724] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB [ 379.749246] __alloc_pages_slowpath+0x26e8/0x2e10 [ 379.753625] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB [ 379.768816] ? warn_alloc+0x120/0x120 [ 379.773614] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 379.787832] ? print_usage_bug+0xc0/0xc0 [ 379.791612] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 379.800436] ? warn_alloc+0x120/0x120 [ 379.804475] 309 total pagecache pages [ 379.813058] ? warn_alloc+0x120/0x120 [ 379.816837] 0 pages in swap cache [ 379.820630] ? print_usage_bug+0xc0/0xc0 [ 379.824408] Swap cache stats: add 0, delete 0, find 0/0 [ 379.827870] ? kvm_clock_read+0x18/0x30 [ 379.831903] Free swap = 0kB [ 379.831912] Total swap = 0kB [ 379.837275] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 379.841225] 1965979 pages RAM [ 379.844240] ? print_usage_bug+0xc0/0xc0 [ 379.847253] 0 pages HighMem/MovableOnly [ 379.852261] ? __lock_acquire+0x62f/0x4c20 [ 379.855342] 342853 pages reserved [ 379.859407] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 379.863352] 0 pages cma reserved [ 379.867575] ? should_fail+0x22d/0xd01 [ 379.871093] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 379.876527] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 379.876546] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 379.876561] ? __lock_acquire+0x62f/0x4c20 [ 379.876580] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 379.879984] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 379.883811] ? __lock_acquire+0x62f/0x4c20 [ 379.890279] syz-executor2 cpuset=syz2 mems_allowed=0 [ 379.895561] ? should_fail+0x22d/0xd01 [ 379.933629] ? rcu_irq_exit+0x1a2/0x390 [ 379.937626] ? mark_held_locks+0x130/0x130 [ 379.941883] ? mark_held_locks+0x130/0x130 [ 379.946125] ? mark_held_locks+0xc7/0x130 [ 379.950278] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 379.955304] ? zap_class+0x640/0x640 [ 379.959028] ? print_usage_bug+0xc0/0xc0 [ 379.963102] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.968643] ? check_preemption_disabled+0x48/0x280 [ 379.973671] ? __lock_is_held+0xb5/0x140 [ 379.977737] __alloc_pages_nodemask+0xa80/0xde0 [ 379.982423] ? zap_class+0x640/0x640 [ 379.986162] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 379.991190] ? find_held_lock+0x36/0x1c0 [ 379.995267] ? ____cache_alloc_node+0x1c7/0x1e0 [ 379.999939] ? lock_downgrade+0x900/0x900 [ 380.004096] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.009638] cache_grow_begin+0xa5/0x8c0 [ 380.013701] ? do_raw_spin_unlock+0xa7/0x330 [ 380.018121] fallback_alloc+0x204/0x2e0 [ 380.022106] ____cache_alloc_node+0x1c7/0x1e0 [ 380.026612] kmem_cache_alloc_node+0xe3/0x730 [ 380.031108] ? ipv6_get_ifaddr+0x42e/0x620 [ 380.035353] __alloc_skb+0x119/0x770 [ 380.039076] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 380.044357] ? netdev_alloc_frag+0x1f0/0x1f0 [ 380.048770] ? lock_downgrade+0x900/0x900 [ 380.052941] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.058480] ? refcount_sub_and_test_checked+0x203/0x310 [ 380.063939] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 380.069394] ? addrconf_rs_timer+0x690/0x690 [ 380.073821] ndisc_alloc_skb+0x144/0x340 [ 380.077889] ndisc_send_rs+0x331/0x6e0 [ 380.081783] addrconf_rs_timer+0x314/0x690 [ 380.086033] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.090292] call_timer_fn+0x272/0x920 [ 380.094179] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.098414] ? process_timeout+0x40/0x40 [ 380.102485] ? mark_held_locks+0xc7/0x130 [ 380.106638] ? _raw_spin_unlock_irq+0x27/0x80 [ 380.111132] ? _raw_spin_unlock_irq+0x27/0x80 [ 380.115624] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.119887] ? lockdep_hardirqs_on+0x296/0x5b0 [ 380.124475] ? trace_hardirqs_on+0xbd/0x310 [ 380.128798] ? kasan_check_read+0x11/0x20 [ 380.132946] ? __run_timers+0x7da/0xc70 [ 380.136923] ? trace_hardirqs_off_caller+0x310/0x310 [ 380.142048] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.146290] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.150523] __run_timers+0x7e5/0xc70 [ 380.154342] ? timer_fixup_init+0x70/0x70 [ 380.158492] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 380.163508] ? zap_class+0x640/0x640 [ 380.167247] ? print_usage_bug+0xc0/0xc0 [ 380.171313] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 380.176514] ? find_held_lock+0x36/0x1c0 [ 380.180578] ? zap_class+0x640/0x640 [ 380.184309] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.189851] ? check_preemption_disabled+0x48/0x280 [ 380.194893] ? __lock_is_held+0xb5/0x140 [ 380.198987] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.204536] ? check_preemption_disabled+0x48/0x280 [ 380.209593] run_timer_softirq+0x52/0xb0 [ 380.213657] ? rcu_read_lock_sched_held+0x14f/0x180 [ 380.218673] __do_softirq+0x308/0xb7e [ 380.222480] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 380.226975] ? lock_downgrade+0x900/0x900 [ 380.231128] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 380.236239] ? pvclock_read_flags+0x160/0x160 [ 380.240737] ? lapic_next_event+0x5a/0x90 [ 380.244906] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.250450] ? kvm_clock_read+0x18/0x30 [ 380.254423] ? kvm_sched_clock_read+0x9/0x20 [ 380.258834] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.264369] ? check_preemption_disabled+0x48/0x280 [ 380.269392] irq_exit+0x17f/0x1c0 [ 380.272849] smp_apic_timer_interrupt+0x1cb/0x760 [ 380.277706] ? smp_reschedule_interrupt+0x109/0x650 [ 380.282727] ? smp_call_function_single_interrupt+0x650/0x650 [ 380.288612] ? interrupt_entry+0xb5/0xc0 [ 380.292691] ? trace_hardirqs_off_caller+0xbb/0x310 [ 380.297721] ? trace_hardirqs_off_caller+0xbb/0x310 [ 380.302740] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 380.307584] ? trace_hardirqs_on_caller+0x310/0x310 [ 380.312598] ? trace_hardirqs_on_caller+0x310/0x310 [ 380.317624] ? task_prio+0x50/0x50 [ 380.321200] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.326740] ? check_preemption_disabled+0x48/0x280 [ 380.331764] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 380.336619] apic_timer_interrupt+0xf/0x20 [ 380.340867] [ 380.343125] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 380.348348] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 380.367248] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 380.374959] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e [ 380.382228] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc [ 380.389493] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 380.396764] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000 [ 380.404045] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 380.411462] retint_kernel+0x1b/0x2d [ 380.415195] RIP: 0010:dump_stack+0x358/0x39d [ 380.419602] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 380.438498] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 380.446204] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e [ 380.453485] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 380.460749] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 380.468011] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45 [ 380.475284] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 380.482566] ? dump_stack+0x34f/0x39d [ 380.486382] ? dump_stack_print_info.cold.1+0x20/0x20 [ 380.491574] ? mark_held_locks+0x130/0x130 [ 380.495834] ? mark_held_locks+0x130/0x130 [ 380.500071] dump_header+0x27b/0xf72 [ 380.503813] ? pagefault_out_of_memory+0x197/0x197 [ 380.508752] ? __lock_acquire+0x62f/0x4c20 [ 380.513023] ? percpu_ref_get_many+0x240/0x240 [ 380.517630] ? print_usage_bug+0xc0/0xc0 [ 380.521698] ? zap_class+0x640/0x640 [ 380.525414] ? print_usage_bug+0xc0/0xc0 [ 380.529477] ? print_usage_bug+0xc0/0xc0 [ 380.533538] ? zap_class+0x640/0x640 [ 380.537256] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.542813] ? find_held_lock+0x36/0x1c0 [ 380.546883] ? mark_held_locks+0xc7/0x130 [ 380.551046] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 380.556153] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 380.561259] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 380.565845] ? trace_hardirqs_on+0xbd/0x310 [ 380.570167] ? kasan_check_read+0x11/0x20 [ 380.574326] ? ___ratelimit+0x3b4/0x672 [ 380.578313] ? trace_hardirqs_off_caller+0x310/0x310 [ 380.583417] ? trace_hardirqs_on+0x310/0x310 [ 380.587830] ? lock_downgrade+0x900/0x900 [ 380.591988] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 380.597123] ? ___ratelimit+0x3b9/0x672 [ 380.601101] ? idr_get_free+0xf70/0xf70 [ 380.605171] ? find_held_lock+0x36/0x1c0 [ 380.609248] oom_kill_process.cold.27+0x10/0x903 [ 380.614489] ? zap_class+0x640/0x640 [ 380.618204] ? check_preemption_disabled+0x48/0x280 [ 380.623225] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 380.628155] ? kasan_check_read+0x11/0x20 [ 380.632308] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 380.637587] ? oom_evaluate_task+0x540/0x540 [ 380.641999] ? find_held_lock+0x36/0x1c0 [ 380.646083] ? out_of_memory+0x974/0x1430 [ 380.650248] ? lock_downgrade+0x900/0x900 [ 380.654413] ? check_preemption_disabled+0x48/0x280 [ 380.659430] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 380.664357] ? kasan_check_read+0x11/0x20 [ 380.668509] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 380.673784] ? rcu_softirq_qs+0x20/0x20 [ 380.677761] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 380.683297] ? oom_evaluate_task+0x302/0x540 [ 380.687710] out_of_memory+0xa84/0x1430 [ 380.691695] ? oom_killer_disable+0x3a0/0x3a0 [ 380.696193] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 380.701160] ? __ww_mutex_check_waiters+0x160/0x160 [ 380.706189] __alloc_pages_slowpath+0x2354/0x2e10 [ 380.711108] ? warn_alloc+0x120/0x120 [ 380.714910] ? mark_held_locks+0x130/0x130 [ 380.719150] ? find_get_entry+0xaae/0x1120 [ 380.723393] ? filemap_map_pages+0x1a20/0x1a20 [ 380.728504] ? zap_class+0x640/0x640 [ 380.732226] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.737885] ? check_preemption_disabled+0x48/0x280 [ 380.743067] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 380.748606] ? should_fail+0x22d/0xd01 [ 380.752501] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 380.757604] ? zap_class+0x640/0x640 [ 380.761343] ? __lock_is_held+0xb5/0x140 [ 380.765431] ? mark_held_locks+0x130/0x130 [ 380.769699] ? lock_release+0xa00/0xa00 [ 380.773676] ? perf_trace_sched_process_exec+0x860/0x860 [ 380.779128] ? xa_load+0x2ba/0x460 [ 380.782671] ? lock_downgrade+0x900/0x900 [ 380.786824] ? __might_sleep+0x95/0x190 [ 380.790847] __alloc_pages_nodemask+0xa80/0xde0 [ 380.795533] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 380.800551] ? __page_cache_alloc+0x191/0x5c0 [ 380.805056] ? xa_load+0x2e1/0x460 [ 380.808598] ? xa_clear_mark+0x40/0x40 [ 380.812489] ? zap_class+0x640/0x640 [ 380.816214] ? zap_class+0x640/0x640 [ 380.819929] ? zap_class+0x640/0x640 [ 380.823645] ? __do_page_cache_readahead+0x663/0x810 [ 380.828750] ? find_held_lock+0x36/0x1c0 [ 380.832819] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 380.838378] alloc_pages_current+0x173/0x350 [ 380.842840] __page_cache_alloc+0x38c/0x5c0 [ 380.847161] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 380.852104] ? kasan_check_read+0x11/0x20 [ 380.856250] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 380.861530] ? generic_perform_write+0x6a0/0x6a0 [ 380.866293] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 380.871831] ? check_preemption_disabled+0x48/0x280 [ 380.876856] filemap_fault+0x1595/0x25f0 [ 380.880935] ? __lock_page_or_retry+0xa00/0xa00 [ 380.885606] ? mark_held_locks+0x130/0x130 [ 380.889852] ? filemap_map_pages+0xd6b/0x1a20 [ 380.894349] ? lock_downgrade+0x900/0x900 [ 380.898497] ? check_preemption_disabled+0x48/0x280 [ 380.903518] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 380.908461] ? kasan_check_read+0x11/0x20 [ 380.912613] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 380.917892] ? rcu_softirq_qs+0x20/0x20 [ 380.921881] ? filemap_map_pages+0xd92/0x1a20 [ 380.926392] ? find_get_entries_tag+0x1400/0x1400 [ 380.931235] ? ep_scan_ready_list+0xbc7/0x1050 [ 380.935821] ? trace_hardirqs_off_caller+0x310/0x310 [ 380.940956] ? lock_acquire+0x1ed/0x520 [ 380.944947] ? ext4_filemap_fault+0x7a/0xad [ 380.949279] ? lock_release+0xa00/0xa00 [ 380.953253] ? perf_trace_sched_process_exec+0x860/0x860 [ 380.958703] ? print_usage_bug+0xc0/0xc0 [ 380.962764] ? print_usage_bug+0xc0/0xc0 [ 380.966836] ? down_read+0x8d/0x120 [ 380.970465] ? ext4_filemap_fault+0x7a/0xad [ 380.974787] ? __down_interruptible+0x700/0x700 [ 380.979469] ext4_filemap_fault+0x82/0xad [ 380.983622] __do_fault+0x100/0x6b0 [ 380.987258] ? pmd_devmap_trans_unstable+0x220/0x220 [ 380.992364] ? mark_held_locks+0x130/0x130 [ 380.996599] ? mark_held_locks+0x130/0x130 [ 381.000834] ? kasan_check_read+0x11/0x20 [ 381.004984] ? ep_poll+0xffa/0x13d0 [ 381.008622] ? trace_hardirqs_off_caller+0x310/0x310 [ 381.013733] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 381.019277] __handle_mm_fault+0x3ea0/0x5be0 [ 381.023696] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.029258] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 381.034106] ? do_epoll_create+0x590/0x590 [ 381.038343] ? kasan_check_read+0x11/0x20 [ 381.042504] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 381.047779] ? rcu_softirq_qs+0x20/0x20 [ 381.051786] ? zap_class+0x640/0x640 [ 381.055501] ? zap_class+0x640/0x640 [ 381.059237] ? find_held_lock+0x36/0x1c0 [ 381.063308] ? handle_mm_fault+0x42a/0xc70 [ 381.067546] ? lock_downgrade+0x900/0x900 [ 381.071712] ? check_preemption_disabled+0x48/0x280 [ 381.076730] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 381.081659] ? kasan_check_read+0x11/0x20 [ 381.085811] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 381.091091] ? rcu_softirq_qs+0x20/0x20 [ 381.095069] ? trace_hardirqs_off_caller+0x310/0x310 [ 381.100175] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 381.105718] ? check_preemption_disabled+0x48/0x280 [ 381.110745] handle_mm_fault+0x54f/0xc70 [ 381.114813] ? __handle_mm_fault+0x5be0/0x5be0 [ 381.119407] ? find_vma+0x34/0x190 [ 381.122954] __do_page_fault+0x5e8/0xe60 [ 381.127044] ? trace_hardirqs_off+0xb8/0x310 [ 381.131456] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 381.137004] do_page_fault+0xf2/0x7e0 [ 381.140829] ? vmalloc_sync_all+0x30/0x30 [ 381.144979] ? error_entry+0x70/0xd0 [ 381.148698] ? trace_hardirqs_off_caller+0xbb/0x310 [ 381.153716] ? trace_hardirqs_on_caller+0xc0/0x310 [ 381.158649] ? syscall_return_slowpath+0x5e0/0x5e0 [ 381.163577] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 381.168439] ? trace_hardirqs_on_caller+0x310/0x310 [ 381.173471] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 381.178928] ? prepare_exit_to_usermode+0x291/0x3b0 [ 381.183944] ? page_fault+0x8/0x30 [ 381.187491] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 381.192352] ? page_fault+0x8/0x30 [ 381.195922] page_fault+0x1e/0x30 [ 381.199393] RIP: 0033:0x45df89 [ 381.202597] Code: Bad RIP value. [ 381.205957] RSP: 002b:000000c42017b850 EFLAGS: 00010246 [ 381.211332] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89 [ 381.218615] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004 [ 381.225882] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500 [ 381.233150] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8 [ 381.240418] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff [ 381.247712] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145 [ 381.247778] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 381.255077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 381.255082] Call Trace: [ 381.255089] [ 381.255108] dump_stack+0x244/0x39d [ 381.255127] ? dump_stack_print_info.cold.1+0x20/0x20 [ 381.261671] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 381.270962] warn_alloc.cold.116+0xb7/0x1bd [ 381.273530] syz-fuzzer cpuset=/ mems_allowed=0 [ 381.275680] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 381.308379] ? lock_downgrade+0x900/0x900 [ 381.312544] ? trace_hardirqs_off+0xb8/0x310 [ 381.316961] ? trace_hardirqs_off+0xb8/0x310 [ 381.321394] __alloc_pages_slowpath+0x26e8/0x2e10 [ 381.326268] ? warn_alloc+0x120/0x120 [ 381.330071] ? print_usage_bug+0xc0/0xc0 [ 381.334135] ? warn_alloc+0x120/0x120 [ 381.337952] ? warn_alloc+0x120/0x120 [ 381.341757] ? print_usage_bug+0xc0/0xc0 [ 381.345824] ? print_usage_bug+0xc0/0xc0 [ 381.349887] ? __lock_acquire+0x62f/0x4c20 [ 381.354131] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 381.359666] ? should_fail+0x22d/0xd01 [ 381.363562] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 381.368666] ? __lock_acquire+0x62f/0x4c20 [ 381.372910] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 381.378050] ? __lock_acquire+0x62f/0x4c20 [ 381.382317] ? should_fail+0x22d/0xd01 [ 381.386203] ? find_held_lock+0x36/0x1c0 [ 381.390280] ? mark_held_locks+0x130/0x130 [ 381.394525] ? mark_held_locks+0x130/0x130 [ 381.398763] ? zap_class+0x640/0x640 [ 381.402492] ? zap_class+0x640/0x640 [ 381.406209] ? print_usage_bug+0xc0/0xc0 [ 381.410270] ? do_raw_spin_unlock+0xa7/0x330 [ 381.414702] ? zap_class+0x640/0x640 [ 381.418417] ? print_usage_bug+0xc0/0xc0 [ 381.422485] ? wq_watchdog_touch+0x9c/0xfe [ 381.426724] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.432265] ? check_preemption_disabled+0x48/0x280 [ 381.437293] ? __lock_is_held+0xb5/0x140 [ 381.441374] __alloc_pages_nodemask+0xa80/0xde0 [ 381.446046] ? zap_class+0x640/0x640 [ 381.449765] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 381.454789] ? find_held_lock+0x36/0x1c0 [ 381.458860] ? ____cache_alloc_node+0x1c7/0x1e0 [ 381.463531] ? lock_downgrade+0x900/0x900 [ 381.467693] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.473236] cache_grow_begin+0xa5/0x8c0 [ 381.477301] ? do_raw_spin_unlock+0xa7/0x330 [ 381.481744] fallback_alloc+0x204/0x2e0 [ 381.485729] ____cache_alloc_node+0x1c7/0x1e0 [ 381.490231] kmem_cache_alloc_node+0xe3/0x730 [ 381.494732] ? ipv6_get_ifaddr+0x42e/0x620 [ 381.498983] __alloc_skb+0x119/0x770 [ 381.502702] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 381.507984] ? netdev_alloc_frag+0x1f0/0x1f0 [ 381.512400] ? lock_downgrade+0x900/0x900 [ 381.516563] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.522114] ? refcount_sub_and_test_checked+0x203/0x310 [ 381.527583] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 381.533057] ? addrconf_rs_timer+0x690/0x690 [ 381.537479] ndisc_alloc_skb+0x144/0x340 [ 381.541555] ndisc_send_rs+0x331/0x6e0 [ 381.545489] addrconf_rs_timer+0x314/0x690 [ 381.549749] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.553998] call_timer_fn+0x272/0x920 [ 381.557899] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.562136] ? process_timeout+0x40/0x40 [ 381.566205] ? __run_timers+0x7da/0xc70 [ 381.570184] ? _raw_spin_unlock_irq+0x27/0x80 [ 381.574678] ? _raw_spin_unlock_irq+0x27/0x80 [ 381.579173] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.583421] ? lockdep_hardirqs_on+0x296/0x5b0 [ 381.588025] ? trace_hardirqs_on+0xbd/0x310 [ 381.592361] ? kasan_check_read+0x11/0x20 [ 381.596556] ? __run_timers+0x7da/0xc70 [ 381.600532] ? trace_hardirqs_off_caller+0x310/0x310 [ 381.605674] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.609910] __run_timers+0x7e5/0xc70 [ 381.613720] ? timer_fixup_init+0x70/0x70 [ 381.617870] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 381.622886] ? zap_class+0x640/0x640 [ 381.626777] ? enqueue_hrtimer+0x1a5/0x560 [ 381.631023] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 381.636221] ? find_held_lock+0x36/0x1c0 [ 381.640290] ? zap_class+0x640/0x640 [ 381.644029] ? pvclock_read_flags+0x160/0x160 [ 381.648529] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.654080] ? check_preemption_disabled+0x48/0x280 [ 381.659109] ? __lock_is_held+0xb5/0x140 [ 381.663173] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.668715] ? check_preemption_disabled+0x48/0x280 [ 381.673738] run_timer_softirq+0x52/0xb0 [ 381.677801] ? rcu_read_lock_sched_held+0x14f/0x180 [ 381.682819] __do_softirq+0x308/0xb7e [ 381.686625] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 381.691124] ? lock_downgrade+0x900/0x900 [ 381.695277] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 381.700404] ? pvclock_read_flags+0x160/0x160 [ 381.704908] ? lapic_next_event+0x5a/0x90 [ 381.709059] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.714604] ? kvm_clock_read+0x18/0x30 [ 381.718576] ? kvm_sched_clock_read+0x9/0x20 [ 381.722989] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.728531] ? check_preemption_disabled+0x48/0x280 [ 381.733592] irq_exit+0x17f/0x1c0 [ 381.737056] smp_apic_timer_interrupt+0x1cb/0x760 [ 381.741898] ? smp_reschedule_interrupt+0x109/0x650 [ 381.746968] ? smp_call_function_single_interrupt+0x650/0x650 [ 381.752867] ? interrupt_entry+0xb5/0xc0 [ 381.756942] ? trace_hardirqs_off_caller+0xbb/0x310 [ 381.761958] ? trace_hardirqs_off_caller+0xbb/0x310 [ 381.766978] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 381.771822] ? trace_hardirqs_on_caller+0x310/0x310 [ 381.776837] ? trace_hardirqs_on_caller+0x310/0x310 [ 381.781863] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 381.786715] apic_timer_interrupt+0xf/0x20 [ 381.790946] [ 381.793187] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 381.798116] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7 [ 381.817023] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 381.824731] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 381.832002] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286 [ 381.839277] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000 [ 381.846549] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 381.853815] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020 [ 381.861150] skb_clone+0x1bb/0x500 [ 381.864696] ? finish_task_switch+0x2f4/0x910 [ 381.869194] ? skb_split+0x11e0/0x11e0 [ 381.873090] ? preempt_notifier_register+0x200/0x200 [ 381.878191] ? __switch_to_asm+0x34/0x70 [ 381.882254] ? __switch_to_asm+0x34/0x70 [ 381.886316] ? __switch_to_asm+0x40/0x70 [ 381.890399] ? __switch_to_asm+0x34/0x70 [ 381.894456] ? __switch_to_asm+0x40/0x70 [ 381.898516] ? __switch_to_asm+0x34/0x70 [ 381.902587] ? __switch_to_asm+0x40/0x70 [ 381.906648] ? __switch_to_asm+0x34/0x70 [ 381.910723] ? __switch_to_asm+0x34/0x70 [ 381.914781] ? __switch_to_asm+0x40/0x70 [ 381.918842] ? __switch_to_asm+0x34/0x70 [ 381.922912] bpf_clone_redirect+0xb9/0x490 [ 381.927149] ? __schedule+0x8d7/0x21d0 [ 381.931049] bpf_prog_bebbfe2050753572+0x1d8/0x1000 [ 381.936067] ? __sched_text_start+0x8/0x8 [ 381.940223] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 381.944803] ? retint_kernel+0x2d/0x2d [ 381.948690] ? trace_hardirqs_on_caller+0xc0/0x310 [ 381.953626] ? find_held_lock+0x36/0x1c0 [ 381.957698] ? lock_acquire+0x1ed/0x520 [ 381.961675] ? bpf_test_run+0x3cb/0x780 [ 381.965650] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.971189] ? check_preemption_disabled+0x48/0x280 [ 381.976209] ? kasan_check_read+0x11/0x20 [ 381.980370] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 381.985645] ? rcu_softirq_qs+0x20/0x20 [ 381.989625] ? preempt_schedule+0x4d/0x60 [ 381.993771] ? ___preempt_schedule+0x16/0x18 [ 381.998186] ? bpf_test_run+0x25d/0x780 [ 382.002176] ? netlink_diag_dump+0x2a0/0x2a0 [ 382.006588] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 382.012124] ? bpf_test_init.isra.10+0x70/0x100 [ 382.016800] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 382.021572] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 382.026414] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 382.031968] ? fput+0x130/0x1a0 [ 382.035253] ? __bpf_prog_get+0x9b/0x290 [ 382.039333] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 382.044173] ? bpf_prog_test_run+0x130/0x1a0 [ 382.048600] ? __x64_sys_bpf+0x3d8/0x520 [ 382.052686] ? bpf_prog_get+0x20/0x20 [ 382.056535] ? do_syscall_64+0x1b9/0x820 [ 382.060636] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 382.066037] ? syscall_return_slowpath+0x5e0/0x5e0 [ 382.070969] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 382.075817] ? trace_hardirqs_on_caller+0x310/0x310 [ 382.080838] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 382.085873] ? prepare_exit_to_usermode+0x291/0x3b0 [ 382.090894] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 382.095747] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 382.101131] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145 [ 382.101137] warn_alloc_show_mem: 1 callbacks suppressed [ 382.101144] Mem-Info: [ 382.108158] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 382.113527] active_anon:51179 inactive_anon:236 isolated_anon:0 [ 382.113527] active_file:17 inactive_file:9 isolated_file:0 [ 382.113527] unevictable:0 dirty:0 writeback:0 unstable:0 [ 382.113527] slab_reclaimable:9362 slab_unreclaimable:1467319 [ 382.113527] mapped:16386 shmem:283 pagetables:457 bounce:0 [ 382.113527] free:13694 free_pcp:258 free_cma:0 [ 382.115928] Call Trace: [ 382.125321] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 382.158079] [ 382.160647] 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 [ 382.188141] dump_stack+0x244/0x39d [ 382.190264] lowmem_reserve[]: 0 2818 6321 6321 [ 382.216412] ? dump_stack_print_info.cold.1+0x20/0x20 [ 382.220010] Node 0 DMA32 free:24972kB 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:0kB local_pcp:0kB free_cma:0kB [ 382.224605] warn_alloc.cold.116+0xb7/0x1bd [ 382.229765] lowmem_reserve[]: 0 0 3503 3503 [ 382.256910] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 382.261213] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB [ 382.265535] ? lock_downgrade+0x900/0x900 [ 382.270359] lowmem_reserve[]: 0 0 0 0 [ 382.299346] ? trace_hardirqs_off+0xb8/0x310 [ 382.303470] 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 [ 382.307268] ? trace_hardirqs_off+0xb8/0x310 [ 382.311651] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB [ 382.325173] __alloc_pages_slowpath+0x26e8/0x2e10 [ 382.329554] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB [ 382.344739] ? warn_alloc+0x120/0x120 [ 382.349547] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 382.363750] ? print_usage_bug+0xc0/0xc0 [ 382.367531] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 382.376351] ? warn_alloc+0x120/0x120 [ 382.380406] 309 total pagecache pages [ 382.388972] ? warn_alloc+0x120/0x120 [ 382.392753] 0 pages in swap cache [ 382.396544] ? print_usage_bug+0xc0/0xc0 [ 382.400331] Swap cache stats: add 0, delete 0, find 0/0 [ 382.403789] ? print_usage_bug+0xc0/0xc0 [ 382.407826] Free swap = 0kB [ 382.413185] ? __lock_acquire+0x62f/0x4c20 [ 382.417222] Total swap = 0kB [ 382.420239] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 382.424446] 1965979 pages RAM [ 382.427458] ? should_fail+0x22d/0xd01 [ 382.432969] 0 pages HighMem/MovableOnly [ 382.436072] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 382.439937] 342853 pages reserved [ 382.443904] ? __lock_acquire+0x62f/0x4c20 [ 382.448979] 0 pages cma reserved [ 382.452422] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 382.456708] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 382.459982] ? __lock_acquire+0x62f/0x4c20 [ 382.459998] ? should_fail+0x22d/0xd01 [ 382.465183] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 382.471578] ? mark_held_locks+0x130/0x130 [ 382.475786] syz-executor2 cpuset=syz2 mems_allowed=0 [ 382.479682] ? mark_held_locks+0x130/0x130 [ 382.503661] ? zap_class+0x640/0x640 [ 382.507386] ? zap_class+0x640/0x640 [ 382.511116] ? print_usage_bug+0xc0/0xc0 [ 382.515182] ? wq_watchdog_touch+0x9c/0xfe [ 382.519420] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.524989] ? check_preemption_disabled+0x48/0x280 [ 382.530024] ? __lock_is_held+0xb5/0x140 [ 382.534097] __alloc_pages_nodemask+0xa80/0xde0 [ 382.538785] ? zap_class+0x640/0x640 [ 382.542505] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 382.547532] ? find_held_lock+0x36/0x1c0 [ 382.551603] ? ____cache_alloc_node+0x1c7/0x1e0 [ 382.556274] ? lock_downgrade+0x900/0x900 [ 382.560445] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.566003] cache_grow_begin+0xa5/0x8c0 [ 382.570074] ? do_raw_spin_unlock+0xa7/0x330 [ 382.574494] fallback_alloc+0x204/0x2e0 [ 382.578481] ____cache_alloc_node+0x1c7/0x1e0 [ 382.582981] kmem_cache_alloc_node+0xe3/0x730 [ 382.587475] ? ipv6_get_ifaddr+0x42e/0x620 [ 382.591724] __alloc_skb+0x119/0x770 [ 382.595438] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 382.600722] ? netdev_alloc_frag+0x1f0/0x1f0 [ 382.605133] ? lock_downgrade+0x900/0x900 [ 382.609291] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.615324] ? refcount_sub_and_test_checked+0x203/0x310 [ 382.620798] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 382.626246] ? addrconf_rs_timer+0x690/0x690 [ 382.630668] ndisc_alloc_skb+0x144/0x340 [ 382.634754] ndisc_send_rs+0x331/0x6e0 [ 382.638665] addrconf_rs_timer+0x314/0x690 [ 382.642903] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 382.647168] call_timer_fn+0x272/0x920 [ 382.651062] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 382.655301] ? process_timeout+0x40/0x40 [ 382.659376] ? mark_held_locks+0xc7/0x130 [ 382.663525] ? _raw_spin_unlock_irq+0x27/0x80 [ 382.668031] ? _raw_spin_unlock_irq+0x27/0x80 [ 382.672547] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 382.676783] ? lockdep_hardirqs_on+0x296/0x5b0 [ 382.681371] ? trace_hardirqs_on+0xbd/0x310 [ 382.685694] ? kasan_check_read+0x11/0x20 [ 382.689852] ? __run_timers+0x7da/0xc70 [ 382.693826] ? trace_hardirqs_off_caller+0x310/0x310 [ 382.698940] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 382.703173] __run_timers+0x7e5/0xc70 [ 382.706997] ? timer_fixup_init+0x70/0x70 [ 382.711163] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 382.716181] ? zap_class+0x640/0x640 [ 382.719901] ? print_usage_bug+0xc0/0xc0 [ 382.723963] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 382.729177] ? find_held_lock+0x36/0x1c0 [ 382.733247] ? zap_class+0x640/0x640 [ 382.736971] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.742694] ? check_preemption_disabled+0x48/0x280 [ 382.747723] ? __lock_is_held+0xb5/0x140 [ 382.751801] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.757343] ? check_preemption_disabled+0x48/0x280 [ 382.762367] run_timer_softirq+0x52/0xb0 [ 382.766431] ? rcu_read_lock_sched_held+0x14f/0x180 [ 382.771445] __do_softirq+0x308/0xb7e [ 382.775248] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 382.779741] ? lock_downgrade+0x900/0x900 [ 382.783888] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 382.789001] ? pvclock_read_flags+0x160/0x160 [ 382.793527] ? lapic_next_event+0x5a/0x90 [ 382.797700] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.803242] ? kvm_clock_read+0x18/0x30 [ 382.807231] ? kvm_sched_clock_read+0x9/0x20 [ 382.811654] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.817216] ? check_preemption_disabled+0x48/0x280 [ 382.822255] irq_exit+0x17f/0x1c0 [ 382.825722] smp_apic_timer_interrupt+0x1cb/0x760 [ 382.830564] ? smp_reschedule_interrupt+0x109/0x650 [ 382.835582] ? smp_call_function_single_interrupt+0x650/0x650 [ 382.841466] ? interrupt_entry+0xb5/0xc0 [ 382.845528] ? trace_hardirqs_off_caller+0xbb/0x310 [ 382.850543] ? trace_hardirqs_off_caller+0xbb/0x310 [ 382.855564] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 382.860411] ? trace_hardirqs_on_caller+0x310/0x310 [ 382.865430] ? trace_hardirqs_on_caller+0x310/0x310 [ 382.870466] ? task_prio+0x50/0x50 [ 382.874010] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.879579] ? check_preemption_disabled+0x48/0x280 [ 382.884603] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 382.889457] apic_timer_interrupt+0xf/0x20 [ 382.893689] [ 382.895934] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 382.901135] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 382.920057] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 382.927813] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e [ 382.935080] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc [ 382.942362] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 382.949633] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000 [ 382.956900] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 382.964197] retint_kernel+0x1b/0x2d [ 382.967917] RIP: 0010:dump_stack+0x358/0x39d [ 382.972339] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 382.991236] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 382.998943] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e [ 383.006210] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 383.013474] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 383.020737] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45 [ 383.027999] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 383.035307] ? dump_stack+0x34f/0x39d [ 383.039121] ? dump_stack_print_info.cold.1+0x20/0x20 [ 383.044348] ? mark_held_locks+0x130/0x130 [ 383.048586] ? mark_held_locks+0x130/0x130 [ 383.052826] dump_header+0x27b/0xf72 [ 383.056554] ? pagefault_out_of_memory+0x197/0x197 [ 383.061494] ? __lock_acquire+0x62f/0x4c20 [ 383.065729] ? percpu_ref_get_many+0x240/0x240 [ 383.070314] ? print_usage_bug+0xc0/0xc0 [ 383.074385] ? zap_class+0x640/0x640 [ 383.078144] ? print_usage_bug+0xc0/0xc0 [ 383.082205] ? print_usage_bug+0xc0/0xc0 [ 383.086270] ? zap_class+0x640/0x640 [ 383.089989] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.095539] ? find_held_lock+0x36/0x1c0 [ 383.099614] ? mark_held_locks+0xc7/0x130 [ 383.103767] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 383.108868] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 383.113988] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 383.118580] ? trace_hardirqs_on+0xbd/0x310 [ 383.122904] ? kasan_check_read+0x11/0x20 [ 383.127071] ? ___ratelimit+0x3b4/0x672 [ 383.131052] ? trace_hardirqs_off_caller+0x310/0x310 [ 383.136199] ? trace_hardirqs_on+0x310/0x310 [ 383.140608] ? lock_downgrade+0x900/0x900 [ 383.144763] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 383.149875] ? ___ratelimit+0x3b9/0x672 [ 383.153851] ? idr_get_free+0xf70/0xf70 [ 383.157822] ? find_held_lock+0x36/0x1c0 [ 383.161893] oom_kill_process.cold.27+0x10/0x903 [ 383.166649] ? zap_class+0x640/0x640 [ 383.170373] ? check_preemption_disabled+0x48/0x280 [ 383.175410] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 383.180369] ? kasan_check_read+0x11/0x20 [ 383.184515] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 383.189795] ? oom_evaluate_task+0x540/0x540 [ 383.194206] ? find_held_lock+0x36/0x1c0 [ 383.198274] ? out_of_memory+0x974/0x1430 [ 383.202428] ? lock_downgrade+0x900/0x900 [ 383.206583] ? check_preemption_disabled+0x48/0x280 [ 383.211643] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 383.216571] ? kasan_check_read+0x11/0x20 [ 383.220719] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 383.225999] ? rcu_softirq_qs+0x20/0x20 [ 383.229994] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 383.235540] ? oom_evaluate_task+0x302/0x540 [ 383.239955] out_of_memory+0xa84/0x1430 [ 383.243941] ? oom_killer_disable+0x3a0/0x3a0 [ 383.248439] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 383.253374] ? __ww_mutex_check_waiters+0x160/0x160 [ 383.258404] __alloc_pages_slowpath+0x2354/0x2e10 [ 383.263277] ? warn_alloc+0x120/0x120 [ 383.267078] ? mark_held_locks+0x130/0x130 [ 383.271321] ? find_get_entry+0xaae/0x1120 [ 383.275567] ? filemap_map_pages+0x1a20/0x1a20 [ 383.280195] ? zap_class+0x640/0x640 [ 383.283933] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.289473] ? check_preemption_disabled+0x48/0x280 [ 383.294490] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 383.300036] ? should_fail+0x22d/0xd01 [ 383.303935] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 383.309056] ? zap_class+0x640/0x640 [ 383.312786] ? __lock_is_held+0xb5/0x140 [ 383.316849] ? mark_held_locks+0x130/0x130 [ 383.321149] ? lock_release+0xa00/0xa00 [ 383.325130] ? perf_trace_sched_process_exec+0x860/0x860 [ 383.330582] ? xa_load+0x2ba/0x460 [ 383.334122] ? lock_downgrade+0x900/0x900 [ 383.338280] ? __might_sleep+0x95/0x190 [ 383.342278] __alloc_pages_nodemask+0xa80/0xde0 [ 383.346959] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 383.351976] ? __page_cache_alloc+0x191/0x5c0 [ 383.356470] ? xa_load+0x2e1/0x460 [ 383.360013] ? xa_clear_mark+0x40/0x40 [ 383.363916] ? zap_class+0x640/0x640 [ 383.367642] ? zap_class+0x640/0x640 [ 383.371355] ? zap_class+0x640/0x640 [ 383.375091] ? __do_page_cache_readahead+0x663/0x810 [ 383.380213] ? find_held_lock+0x36/0x1c0 [ 383.384293] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 383.389834] alloc_pages_current+0x173/0x350 [ 383.394250] __page_cache_alloc+0x38c/0x5c0 [ 383.398575] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 383.403505] ? kasan_check_read+0x11/0x20 [ 383.407658] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 383.412942] ? generic_perform_write+0x6a0/0x6a0 [ 383.417703] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 383.423245] ? check_preemption_disabled+0x48/0x280 [ 383.428269] filemap_fault+0x1595/0x25f0 [ 383.432358] ? __lock_page_or_retry+0xa00/0xa00 [ 383.437045] ? mark_held_locks+0x130/0x130 [ 383.441295] ? filemap_map_pages+0xd6b/0x1a20 [ 383.445794] ? lock_downgrade+0x900/0x900 [ 383.449957] ? check_preemption_disabled+0x48/0x280 [ 383.454995] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 383.459933] ? kasan_check_read+0x11/0x20 [ 383.464084] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 383.469359] ? rcu_softirq_qs+0x20/0x20 [ 383.473345] ? filemap_map_pages+0xd92/0x1a20 [ 383.477868] ? find_get_entries_tag+0x1400/0x1400 [ 383.482714] ? ep_scan_ready_list+0xbc7/0x1050 [ 383.487314] ? trace_hardirqs_off_caller+0x310/0x310 [ 383.492432] ? lock_acquire+0x1ed/0x520 [ 383.496406] ? ext4_filemap_fault+0x7a/0xad [ 383.500736] ? lock_release+0xa00/0xa00 [ 383.504724] ? perf_trace_sched_process_exec+0x860/0x860 [ 383.510181] ? print_usage_bug+0xc0/0xc0 [ 383.514244] ? print_usage_bug+0xc0/0xc0 [ 383.518320] ? down_read+0x8d/0x120 [ 383.521945] ? ext4_filemap_fault+0x7a/0xad [ 383.526268] ? __down_interruptible+0x700/0x700 [ 383.530956] ext4_filemap_fault+0x82/0xad [ 383.535138] __do_fault+0x100/0x6b0 [ 383.538770] ? pmd_devmap_trans_unstable+0x220/0x220 [ 383.543903] ? mark_held_locks+0x130/0x130 [ 383.548168] ? mark_held_locks+0x130/0x130 [ 383.552402] ? kasan_check_read+0x11/0x20 [ 383.556597] ? ep_poll+0xffa/0x13d0 [ 383.560226] ? trace_hardirqs_off_caller+0x310/0x310 [ 383.565338] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 383.570880] __handle_mm_fault+0x3ea0/0x5be0 [ 383.575301] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.580865] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 383.585732] ? do_epoll_create+0x590/0x590 [ 383.589966] ? kasan_check_read+0x11/0x20 [ 383.594114] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 383.599407] ? rcu_softirq_qs+0x20/0x20 [ 383.603606] ? zap_class+0x640/0x640 [ 383.607319] ? zap_class+0x640/0x640 [ 383.611051] ? find_held_lock+0x36/0x1c0 [ 383.615128] ? handle_mm_fault+0x42a/0xc70 [ 383.619367] ? lock_downgrade+0x900/0x900 [ 383.623532] ? check_preemption_disabled+0x48/0x280 [ 383.628579] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 383.633505] ? kasan_check_read+0x11/0x20 [ 383.637653] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 383.642930] ? rcu_softirq_qs+0x20/0x20 [ 383.646905] ? trace_hardirqs_off_caller+0x310/0x310 [ 383.652031] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 383.657578] ? check_preemption_disabled+0x48/0x280 [ 383.662618] handle_mm_fault+0x54f/0xc70 [ 383.666684] ? __handle_mm_fault+0x5be0/0x5be0 [ 383.671290] ? find_vma+0x34/0x190 [ 383.674836] __do_page_fault+0x5e8/0xe60 [ 383.678893] ? trace_hardirqs_off+0xb8/0x310 [ 383.683312] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 383.688862] do_page_fault+0xf2/0x7e0 [ 383.692663] ? vmalloc_sync_all+0x30/0x30 [ 383.696808] ? error_entry+0x70/0xd0 [ 383.700519] ? trace_hardirqs_off_caller+0xbb/0x310 [ 383.705564] ? trace_hardirqs_on_caller+0xc0/0x310 [ 383.710510] ? syscall_return_slowpath+0x5e0/0x5e0 [ 383.715468] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 383.720327] ? trace_hardirqs_on_caller+0x310/0x310 [ 383.725342] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 383.730796] ? prepare_exit_to_usermode+0x291/0x3b0 [ 383.735813] ? page_fault+0x8/0x30 [ 383.739355] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 383.744215] ? page_fault+0x8/0x30 [ 383.747771] page_fault+0x1e/0x30 [ 383.751222] RIP: 0033:0x45df89 [ 383.754425] Code: Bad RIP value. [ 383.757787] RSP: 002b:000000c42017b850 EFLAGS: 00010246 [ 383.763150] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89 [ 383.770420] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004 [ 383.777688] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500 [ 383.784954] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8 [ 383.792220] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff [ 383.799514] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145 [ 383.799579] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 383.806880] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 383.806885] Call Trace: [ 383.806892] [ 383.806911] dump_stack+0x244/0x39d [ 383.806930] ? dump_stack_print_info.cold.1+0x20/0x20 [ 383.813515] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 383.822783] warn_alloc.cold.116+0xb7/0x1bd [ 383.825337] syz-fuzzer cpuset=/ mems_allowed=0 [ 383.827480] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 383.860174] ? lock_downgrade+0x900/0x900 [ 383.864330] ? trace_hardirqs_off+0xb8/0x310 [ 383.868763] ? trace_hardirqs_off+0xb8/0x310 [ 383.873182] __alloc_pages_slowpath+0x26e8/0x2e10 [ 383.878066] ? warn_alloc+0x120/0x120 [ 383.881878] ? print_usage_bug+0xc0/0xc0 [ 383.885941] ? warn_alloc+0x120/0x120 [ 383.889778] ? warn_alloc+0x120/0x120 [ 383.893594] ? print_usage_bug+0xc0/0xc0 [ 383.897655] ? kvm_clock_read+0x18/0x30 [ 383.901631] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 383.906648] ? print_usage_bug+0xc0/0xc0 [ 383.910732] ? __lock_acquire+0x62f/0x4c20 [ 383.914973] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 383.920515] ? should_fail+0x22d/0xd01 [ 383.924422] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 383.929720] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 383.934822] ? __lock_acquire+0x62f/0x4c20 [ 383.939062] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 383.944220] ? __lock_acquire+0x62f/0x4c20 [ 383.948457] ? should_fail+0x22d/0xd01 [ 383.952339] ? rcu_irq_exit+0x1a2/0x390 [ 383.956325] ? mark_held_locks+0x130/0x130 [ 383.960570] ? mark_held_locks+0x130/0x130 [ 383.964812] ? mark_held_locks+0xc7/0x130 [ 383.968960] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 383.973976] ? zap_class+0x640/0x640 [ 383.977693] ? print_usage_bug+0xc0/0xc0 [ 383.981760] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.987316] ? check_preemption_disabled+0x48/0x280 [ 383.992347] ? __lock_is_held+0xb5/0x140 [ 383.996415] __alloc_pages_nodemask+0xa80/0xde0 [ 384.001095] ? zap_class+0x640/0x640 [ 384.004814] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 384.009861] ? find_held_lock+0x36/0x1c0 [ 384.013955] ? ____cache_alloc_node+0x1c7/0x1e0 [ 384.018630] ? lock_downgrade+0x900/0x900 [ 384.022789] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.028335] cache_grow_begin+0xa5/0x8c0 [ 384.032396] ? do_raw_spin_unlock+0xa7/0x330 [ 384.036816] fallback_alloc+0x204/0x2e0 [ 384.040798] ____cache_alloc_node+0x1c7/0x1e0 [ 384.045304] kmem_cache_alloc_node+0xe3/0x730 [ 384.049802] ? ipv6_get_ifaddr+0x42e/0x620 [ 384.054057] __alloc_skb+0x119/0x770 [ 384.057772] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 384.063082] ? netdev_alloc_frag+0x1f0/0x1f0 [ 384.067508] ? lock_downgrade+0x900/0x900 [ 384.071684] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.077224] ? refcount_sub_and_test_checked+0x203/0x310 [ 384.082678] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 384.088130] ? addrconf_rs_timer+0x690/0x690 [ 384.092583] ndisc_alloc_skb+0x144/0x340 [ 384.096654] ndisc_send_rs+0x331/0x6e0 [ 384.100550] addrconf_rs_timer+0x314/0x690 [ 384.104813] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.109108] call_timer_fn+0x272/0x920 [ 384.112997] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.117239] ? process_timeout+0x40/0x40 [ 384.121314] ? __run_timers+0x7da/0xc70 [ 384.125291] ? _raw_spin_unlock_irq+0x27/0x80 [ 384.129799] ? _raw_spin_unlock_irq+0x27/0x80 [ 384.134292] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.138549] ? lockdep_hardirqs_on+0x296/0x5b0 [ 384.143139] ? trace_hardirqs_on+0xbd/0x310 [ 384.147462] ? kasan_check_read+0x11/0x20 [ 384.151613] ? __run_timers+0x7da/0xc70 [ 384.155590] ? trace_hardirqs_off_caller+0x310/0x310 [ 384.160700] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.164938] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.169183] __run_timers+0x7e5/0xc70 [ 384.172993] ? timer_fixup_init+0x70/0x70 [ 384.177149] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 384.182180] ? zap_class+0x640/0x640 [ 384.185896] ? enqueue_hrtimer+0x1a5/0x560 [ 384.190135] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 384.195332] ? find_held_lock+0x36/0x1c0 [ 384.199398] ? zap_class+0x640/0x640 [ 384.203121] ? pvclock_read_flags+0x160/0x160 [ 384.207619] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.213159] ? check_preemption_disabled+0x48/0x280 [ 384.218198] ? __lock_is_held+0xb5/0x140 [ 384.222260] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.227812] ? check_preemption_disabled+0x48/0x280 [ 384.232831] run_timer_softirq+0x52/0xb0 [ 384.236895] ? rcu_read_lock_sched_held+0x14f/0x180 [ 384.241912] __do_softirq+0x308/0xb7e [ 384.245718] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 384.250213] ? lock_downgrade+0x900/0x900 [ 384.254369] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 384.259480] ? pvclock_read_flags+0x160/0x160 [ 384.263977] ? lapic_next_event+0x5a/0x90 [ 384.268144] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.273701] ? kvm_clock_read+0x18/0x30 [ 384.277692] ? kvm_sched_clock_read+0x9/0x20 [ 384.282104] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.287642] ? check_preemption_disabled+0x48/0x280 [ 384.292674] irq_exit+0x17f/0x1c0 [ 384.296133] smp_apic_timer_interrupt+0x1cb/0x760 [ 384.300975] ? smp_reschedule_interrupt+0x109/0x650 [ 384.305995] ? smp_call_function_single_interrupt+0x650/0x650 [ 384.311900] ? interrupt_entry+0xb5/0xc0 [ 384.315963] ? trace_hardirqs_off_caller+0xbb/0x310 [ 384.320984] ? trace_hardirqs_off_caller+0xbb/0x310 [ 384.326028] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 384.330869] ? trace_hardirqs_on_caller+0x310/0x310 [ 384.335882] ? trace_hardirqs_on_caller+0x310/0x310 [ 384.340908] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 384.345756] apic_timer_interrupt+0xf/0x20 [ 384.349982] [ 384.352255] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 384.357185] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7 [ 384.376085] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 384.383791] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 384.391060] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286 [ 384.398327] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000 [ 384.405612] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 384.412877] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020 [ 384.420185] skb_clone+0x1bb/0x500 [ 384.423725] ? finish_task_switch+0x2f4/0x910 [ 384.428226] ? skb_split+0x11e0/0x11e0 [ 384.432132] ? preempt_notifier_register+0x200/0x200 [ 384.437236] ? __switch_to_asm+0x34/0x70 [ 384.441297] ? __switch_to_asm+0x34/0x70 [ 384.445357] ? __switch_to_asm+0x40/0x70 [ 384.449415] ? __switch_to_asm+0x34/0x70 [ 384.453476] ? __switch_to_asm+0x40/0x70 [ 384.457533] ? __switch_to_asm+0x34/0x70 [ 384.461597] ? __switch_to_asm+0x40/0x70 [ 384.465667] ? __switch_to_asm+0x34/0x70 [ 384.469726] ? __switch_to_asm+0x34/0x70 [ 384.473800] ? __switch_to_asm+0x40/0x70 [ 384.477858] ? __switch_to_asm+0x34/0x70 [ 384.481923] bpf_clone_redirect+0xb9/0x490 [ 384.486158] ? __schedule+0x8d7/0x21d0 [ 384.490059] bpf_prog_bebbfe2050753572+0x1d8/0x1000 [ 384.495079] ? __sched_text_start+0x8/0x8 [ 384.499230] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 384.503813] ? retint_kernel+0x2d/0x2d [ 384.507705] ? trace_hardirqs_on_caller+0xc0/0x310 [ 384.512656] ? find_held_lock+0x36/0x1c0 [ 384.516731] ? lock_acquire+0x1ed/0x520 [ 384.520707] ? bpf_test_run+0x3cb/0x780 [ 384.524683] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.530220] ? check_preemption_disabled+0x48/0x280 [ 384.535240] ? kasan_check_read+0x11/0x20 [ 384.539390] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 384.544669] ? rcu_softirq_qs+0x20/0x20 [ 384.548646] ? preempt_schedule+0x4d/0x60 [ 384.552797] ? ___preempt_schedule+0x16/0x18 [ 384.557216] ? bpf_test_run+0x25d/0x780 [ 384.561204] ? netlink_diag_dump+0x2a0/0x2a0 [ 384.565619] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 384.571155] ? bpf_test_init.isra.10+0x70/0x100 [ 384.575831] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 384.580601] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 384.585448] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 384.590987] ? fput+0x130/0x1a0 [ 384.594279] ? __bpf_prog_get+0x9b/0x290 [ 384.598345] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 384.603361] ? bpf_prog_test_run+0x130/0x1a0 [ 384.607790] ? __x64_sys_bpf+0x3d8/0x520 [ 384.612105] ? bpf_prog_get+0x20/0x20 [ 384.615939] ? do_syscall_64+0x1b9/0x820 [ 384.620000] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 384.625373] ? syscall_return_slowpath+0x5e0/0x5e0 [ 384.630306] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 384.635155] ? trace_hardirqs_on_caller+0x310/0x310 [ 384.640175] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 384.645197] ? prepare_exit_to_usermode+0x291/0x3b0 [ 384.650222] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 384.655088] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 384.660487] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145 [ 384.660492] warn_alloc_show_mem: 1 callbacks suppressed [ 384.660499] Mem-Info: [ 384.667508] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 384.672881] active_anon:51179 inactive_anon:236 isolated_anon:0 [ 384.672881] active_file:17 inactive_file:9 isolated_file:0 [ 384.672881] unevictable:0 dirty:0 writeback:0 unstable:0 [ 384.672881] slab_reclaimable:9362 slab_unreclaimable:1467319 [ 384.672881] mapped:16386 shmem:283 pagetables:457 bounce:0 [ 384.672881] free:13694 free_pcp:258 free_cma:0 [ 384.675269] Call Trace: [ 384.684659] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 384.717949] [ 384.720517] 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 [ 384.748176] dump_stack+0x244/0x39d [ 384.750306] lowmem_reserve[]: 0 2818 6321 6321 [ 384.776411] ? dump_stack_print_info.cold.1+0x20/0x20 [ 384.780012] Node 0 DMA32 free:24972kB 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:0kB local_pcp:0kB free_cma:0kB [ 384.784607] warn_alloc.cold.116+0xb7/0x1bd [ 384.789765] lowmem_reserve[]: 0 0 3503 3503 [ 384.816929] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 384.821223] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB [ 384.825538] ? lock_downgrade+0x900/0x900 [ 384.830360] lowmem_reserve[]: 0 0 0 0 [ 384.859342] ? trace_hardirqs_off+0xb8/0x310 [ 384.863461] 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 [ 384.867261] ? trace_hardirqs_off+0xb8/0x310 [ 384.871646] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB [ 384.885170] __alloc_pages_slowpath+0x26e8/0x2e10 [ 384.889554] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB [ 384.904758] ? warn_alloc+0x120/0x120 [ 384.909579] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 384.923814] ? print_usage_bug+0xc0/0xc0 [ 384.927594] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 384.936419] ? warn_alloc+0x120/0x120 [ 384.940456] 309 total pagecache pages [ 384.949032] ? warn_alloc+0x120/0x120 [ 384.952816] 0 pages in swap cache [ 384.956604] ? print_usage_bug+0xc0/0xc0 [ 384.960386] Swap cache stats: add 0, delete 0, find 0/0 [ 384.963829] ? kvm_clock_read+0x18/0x30 [ 384.967862] Free swap = 0kB [ 384.973234] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 384.977182] Total swap = 0kB [ 384.980211] ? print_usage_bug+0xc0/0xc0 [ 384.985203] 1965979 pages RAM [ 384.988212] ? __lock_acquire+0x62f/0x4c20 [ 384.992248] 0 pages HighMem/MovableOnly [ 384.995352] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 384.999570] 342853 pages reserved [ 385.003537] ? should_fail+0x22d/0xd01 [ 385.009055] 0 pages cma reserved [ 385.012500] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 385.016426] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 385.019725] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 385.025077] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 385.031463] ? __lock_acquire+0x62f/0x4c20 [ 385.036544] syz-executor2 cpuset=syz2 mems_allowed=0 [ 385.047033] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 385.061421] ? __lock_acquire+0x62f/0x4c20 [ 385.065653] ? should_fail+0x22d/0xd01 [ 385.069551] ? rcu_irq_exit+0x1a2/0x390 [ 385.073539] ? mark_held_locks+0x130/0x130 [ 385.077792] ? mark_held_locks+0x130/0x130 [ 385.082047] ? mark_held_locks+0xc7/0x130 [ 385.086196] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 385.091215] ? zap_class+0x640/0x640 [ 385.094943] ? print_usage_bug+0xc0/0xc0 [ 385.099048] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.104609] ? check_preemption_disabled+0x48/0x280 [ 385.109667] ? __lock_is_held+0xb5/0x140 [ 385.113753] __alloc_pages_nodemask+0xa80/0xde0 [ 385.118424] ? zap_class+0x640/0x640 [ 385.122145] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 385.127174] ? find_held_lock+0x36/0x1c0 [ 385.131249] ? ____cache_alloc_node+0x1c7/0x1e0 [ 385.135923] ? lock_downgrade+0x900/0x900 [ 385.140080] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.145638] cache_grow_begin+0xa5/0x8c0 [ 385.149698] ? do_raw_spin_unlock+0xa7/0x330 [ 385.154117] fallback_alloc+0x204/0x2e0 [ 385.158103] ____cache_alloc_node+0x1c7/0x1e0 [ 385.162622] kmem_cache_alloc_node+0xe3/0x730 [ 385.167137] ? ipv6_get_ifaddr+0x42e/0x620 [ 385.171383] __alloc_skb+0x119/0x770 [ 385.175097] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 385.180383] ? netdev_alloc_frag+0x1f0/0x1f0 [ 385.184792] ? lock_downgrade+0x900/0x900 [ 385.188948] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.194485] ? refcount_sub_and_test_checked+0x203/0x310 [ 385.199944] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 385.205396] ? addrconf_rs_timer+0x690/0x690 [ 385.209821] ndisc_alloc_skb+0x144/0x340 [ 385.213887] ndisc_send_rs+0x331/0x6e0 [ 385.217780] addrconf_rs_timer+0x314/0x690 [ 385.222029] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.226282] call_timer_fn+0x272/0x920 [ 385.230170] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.234409] ? process_timeout+0x40/0x40 [ 385.238481] ? mark_held_locks+0xc7/0x130 [ 385.242633] ? _raw_spin_unlock_irq+0x27/0x80 [ 385.247150] ? _raw_spin_unlock_irq+0x27/0x80 [ 385.251646] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.255881] ? lockdep_hardirqs_on+0x296/0x5b0 [ 385.260478] ? trace_hardirqs_on+0xbd/0x310 [ 385.264800] ? kasan_check_read+0x11/0x20 [ 385.268942] ? __run_timers+0x7da/0xc70 [ 385.272919] ? trace_hardirqs_off_caller+0x310/0x310 [ 385.278036] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.282283] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.286515] __run_timers+0x7e5/0xc70 [ 385.290327] ? timer_fixup_init+0x70/0x70 [ 385.294477] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 385.299511] ? zap_class+0x640/0x640 [ 385.303236] ? print_usage_bug+0xc0/0xc0 [ 385.307303] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 385.312498] ? find_held_lock+0x36/0x1c0 [ 385.316562] ? zap_class+0x640/0x640 [ 385.320284] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.325854] ? check_preemption_disabled+0x48/0x280 [ 385.330880] ? __lock_is_held+0xb5/0x140 [ 385.334943] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.340479] ? check_preemption_disabled+0x48/0x280 [ 385.345502] run_timer_softirq+0x52/0xb0 [ 385.349567] ? rcu_read_lock_sched_held+0x14f/0x180 [ 385.354581] __do_softirq+0x308/0xb7e [ 385.358382] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 385.362877] ? lock_downgrade+0x900/0x900 [ 385.367045] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 385.372160] ? pvclock_read_flags+0x160/0x160 [ 385.376661] ? lapic_next_event+0x5a/0x90 [ 385.380809] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.386353] ? kvm_clock_read+0x18/0x30 [ 385.390327] ? kvm_sched_clock_read+0x9/0x20 [ 385.394739] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.400276] ? check_preemption_disabled+0x48/0x280 [ 385.405303] irq_exit+0x17f/0x1c0 [ 385.408786] smp_apic_timer_interrupt+0x1cb/0x760 [ 385.413630] ? smp_reschedule_interrupt+0x109/0x650 [ 385.418652] ? smp_call_function_single_interrupt+0x650/0x650 [ 385.424563] ? interrupt_entry+0xb5/0xc0 [ 385.428638] ? trace_hardirqs_off_caller+0xbb/0x310 [ 385.433672] ? trace_hardirqs_off_caller+0xbb/0x310 [ 385.438690] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 385.443538] ? trace_hardirqs_on_caller+0x310/0x310 [ 385.448555] ? trace_hardirqs_on_caller+0x310/0x310 [ 385.453571] ? task_prio+0x50/0x50 [ 385.457112] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.462653] ? check_preemption_disabled+0x48/0x280 [ 385.467677] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 385.472530] apic_timer_interrupt+0xf/0x20 [ 385.476771] [ 385.479013] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 385.484221] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 385.503132] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 385.510872] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e [ 385.518139] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc [ 385.525430] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 385.532714] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000 [ 385.539992] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 385.547299] retint_kernel+0x1b/0x2d [ 385.551022] RIP: 0010:dump_stack+0x358/0x39d [ 385.555441] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 385.574356] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 385.582077] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e [ 385.589344] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 385.596628] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 385.603897] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45 [ 385.611194] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 385.618478] ? dump_stack+0x34f/0x39d [ 385.622288] ? dump_stack_print_info.cold.1+0x20/0x20 [ 385.627483] ? mark_held_locks+0x130/0x130 [ 385.631719] ? mark_held_locks+0x130/0x130 [ 385.635959] dump_header+0x27b/0xf72 [ 385.639686] ? pagefault_out_of_memory+0x197/0x197 [ 385.644652] ? __lock_acquire+0x62f/0x4c20 [ 385.648886] ? percpu_ref_get_many+0x240/0x240 [ 385.653474] ? print_usage_bug+0xc0/0xc0 [ 385.657544] ? zap_class+0x640/0x640 [ 385.661264] ? print_usage_bug+0xc0/0xc0 [ 385.665323] ? print_usage_bug+0xc0/0xc0 [ 385.669386] ? zap_class+0x640/0x640 [ 385.673117] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.678659] ? find_held_lock+0x36/0x1c0 [ 385.682737] ? mark_held_locks+0xc7/0x130 [ 385.686891] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 385.691992] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 385.697107] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 385.701721] ? trace_hardirqs_on+0xbd/0x310 [ 385.706052] ? kasan_check_read+0x11/0x20 [ 385.710199] ? ___ratelimit+0x3b4/0x672 [ 385.714179] ? trace_hardirqs_off_caller+0x310/0x310 [ 385.719299] ? trace_hardirqs_on+0x310/0x310 [ 385.723711] ? lock_downgrade+0x900/0x900 [ 385.727869] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 385.732970] ? ___ratelimit+0x3b9/0x672 [ 385.736947] ? idr_get_free+0xf70/0xf70 [ 385.740931] ? find_held_lock+0x36/0x1c0 [ 385.745024] oom_kill_process.cold.27+0x10/0x903 [ 385.749787] ? zap_class+0x640/0x640 [ 385.753529] ? check_preemption_disabled+0x48/0x280 [ 385.758594] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 385.763522] ? kasan_check_read+0x11/0x20 [ 385.767670] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 385.772977] ? oom_evaluate_task+0x540/0x540 [ 385.777390] ? find_held_lock+0x36/0x1c0 [ 385.781504] ? out_of_memory+0x974/0x1430 [ 385.785657] ? lock_downgrade+0x900/0x900 [ 385.789804] ? check_preemption_disabled+0x48/0x280 [ 385.794845] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 385.799773] ? kasan_check_read+0x11/0x20 [ 385.803922] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 385.809218] ? rcu_softirq_qs+0x20/0x20 [ 385.813198] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 385.818734] ? oom_evaluate_task+0x302/0x540 [ 385.823151] out_of_memory+0xa84/0x1430 [ 385.827137] ? oom_killer_disable+0x3a0/0x3a0 [ 385.831634] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 385.836584] ? __ww_mutex_check_waiters+0x160/0x160 [ 385.841615] __alloc_pages_slowpath+0x2354/0x2e10 [ 385.846502] ? warn_alloc+0x120/0x120 [ 385.850300] ? mark_held_locks+0x130/0x130 [ 385.854545] ? find_get_entry+0xaae/0x1120 [ 385.858792] ? filemap_map_pages+0x1a20/0x1a20 [ 385.863380] ? zap_class+0x640/0x640 [ 385.867106] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.872644] ? check_preemption_disabled+0x48/0x280 [ 385.877673] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 385.883215] ? should_fail+0x22d/0xd01 [ 385.887108] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 385.892219] ? zap_class+0x640/0x640 [ 385.895961] ? __lock_is_held+0xb5/0x140 [ 385.900048] ? mark_held_locks+0x130/0x130 [ 385.904289] ? lock_release+0xa00/0xa00 [ 385.908267] ? perf_trace_sched_process_exec+0x860/0x860 [ 385.913723] ? xa_load+0x2ba/0x460 [ 385.917299] ? lock_downgrade+0x900/0x900 [ 385.921455] ? __might_sleep+0x95/0x190 [ 385.925436] __alloc_pages_nodemask+0xa80/0xde0 [ 385.930119] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 385.935143] ? __page_cache_alloc+0x191/0x5c0 [ 385.939637] ? xa_load+0x2e1/0x460 [ 385.943183] ? xa_clear_mark+0x40/0x40 [ 385.947106] ? zap_class+0x640/0x640 [ 385.950828] ? zap_class+0x640/0x640 [ 385.954538] ? zap_class+0x640/0x640 [ 385.958276] ? __do_page_cache_readahead+0x663/0x810 [ 385.963380] ? find_held_lock+0x36/0x1c0 [ 385.967471] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 385.973028] alloc_pages_current+0x173/0x350 [ 385.977451] __page_cache_alloc+0x38c/0x5c0 [ 385.981788] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 385.986719] ? kasan_check_read+0x11/0x20 [ 385.990866] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 385.996180] ? generic_perform_write+0x6a0/0x6a0 [ 386.000943] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 386.006483] ? check_preemption_disabled+0x48/0x280 [ 386.011526] filemap_fault+0x1595/0x25f0 [ 386.015600] ? __lock_page_or_retry+0xa00/0xa00 [ 386.020273] ? mark_held_locks+0x130/0x130 [ 386.024518] ? filemap_map_pages+0xd6b/0x1a20 [ 386.029044] ? lock_downgrade+0x900/0x900 [ 386.033193] ? check_preemption_disabled+0x48/0x280 [ 386.038212] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 386.043143] ? kasan_check_read+0x11/0x20 [ 386.047299] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 386.052574] ? rcu_softirq_qs+0x20/0x20 [ 386.056581] ? filemap_map_pages+0xd92/0x1a20 [ 386.061092] ? find_get_entries_tag+0x1400/0x1400 [ 386.065939] ? ep_scan_ready_list+0xbc7/0x1050 [ 386.070532] ? trace_hardirqs_off_caller+0x310/0x310 [ 386.075652] ? lock_acquire+0x1ed/0x520 [ 386.079640] ? ext4_filemap_fault+0x7a/0xad [ 386.083969] ? lock_release+0xa00/0xa00 [ 386.087946] ? perf_trace_sched_process_exec+0x860/0x860 [ 386.093424] ? print_usage_bug+0xc0/0xc0 [ 386.097487] ? print_usage_bug+0xc0/0xc0 [ 386.101560] ? down_read+0x8d/0x120 [ 386.105187] ? ext4_filemap_fault+0x7a/0xad [ 386.109688] ? __down_interruptible+0x700/0x700 [ 386.114373] ext4_filemap_fault+0x82/0xad [ 386.118524] __do_fault+0x100/0x6b0 [ 386.122159] ? pmd_devmap_trans_unstable+0x220/0x220 [ 386.127266] ? mark_held_locks+0x130/0x130 [ 386.131504] ? mark_held_locks+0x130/0x130 [ 386.135741] ? kasan_check_read+0x11/0x20 [ 386.139888] ? ep_poll+0xffa/0x13d0 [ 386.143518] ? trace_hardirqs_off_caller+0x310/0x310 [ 386.148629] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 386.154171] __handle_mm_fault+0x3ea0/0x5be0 [ 386.158578] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.164122] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 386.168968] ? do_epoll_create+0x590/0x590 [ 386.173207] ? kasan_check_read+0x11/0x20 [ 386.177371] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 386.182651] ? rcu_softirq_qs+0x20/0x20 [ 386.186641] ? zap_class+0x640/0x640 [ 386.190353] ? zap_class+0x640/0x640 [ 386.194082] ? find_held_lock+0x36/0x1c0 [ 386.198160] ? handle_mm_fault+0x42a/0xc70 [ 386.202399] ? lock_downgrade+0x900/0x900 [ 386.206550] ? check_preemption_disabled+0x48/0x280 [ 386.211571] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 386.216501] ? kasan_check_read+0x11/0x20 [ 386.220653] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 386.225941] ? rcu_softirq_qs+0x20/0x20 [ 386.229912] ? trace_hardirqs_off_caller+0x310/0x310 [ 386.235026] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 386.240571] ? check_preemption_disabled+0x48/0x280 [ 386.245594] handle_mm_fault+0x54f/0xc70 [ 386.249663] ? __handle_mm_fault+0x5be0/0x5be0 [ 386.254256] ? find_vma+0x34/0x190 [ 386.257803] __do_page_fault+0x5e8/0xe60 [ 386.261956] ? trace_hardirqs_off+0xb8/0x310 [ 386.266364] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 386.271912] do_page_fault+0xf2/0x7e0 [ 386.275712] ? vmalloc_sync_all+0x30/0x30 [ 386.279888] ? error_entry+0x70/0xd0 [ 386.283605] ? trace_hardirqs_off_caller+0xbb/0x310 [ 386.288620] ? trace_hardirqs_on_caller+0xc0/0x310 [ 386.293549] ? syscall_return_slowpath+0x5e0/0x5e0 [ 386.298477] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 386.303324] ? trace_hardirqs_on_caller+0x310/0x310 [ 386.308340] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 386.313798] ? prepare_exit_to_usermode+0x291/0x3b0 [ 386.318817] ? page_fault+0x8/0x30 [ 386.322362] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 386.327209] ? page_fault+0x8/0x30 [ 386.330751] page_fault+0x1e/0x30 [ 386.334208] RIP: 0033:0x45df89 [ 386.337421] Code: Bad RIP value. [ 386.340782] RSP: 002b:000000c42017b850 EFLAGS: 00010246 [ 386.346154] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89 [ 386.353439] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004 [ 386.360705] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500 [ 386.367975] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8 [ 386.375263] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff [ 386.382558] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145 [ 386.382622] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 386.389918] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 386.389927] Call Trace: [ 386.396497] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 386.405754] [ 386.408326] syz-fuzzer cpuset=/ mems_allowed=0 [ 386.418552] dump_stack+0x244/0x39d [ 386.428864] ? dump_stack_print_info.cold.1+0x20/0x20 [ 386.434084] warn_alloc.cold.116+0xb7/0x1bd [ 386.438412] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 386.443260] ? lock_downgrade+0x900/0x900 [ 386.447416] ? trace_hardirqs_off+0xb8/0x310 [ 386.451833] ? trace_hardirqs_off+0xb8/0x310 [ 386.456251] __alloc_pages_slowpath+0x26e8/0x2e10 [ 386.461126] ? warn_alloc+0x120/0x120 [ 386.464930] ? print_usage_bug+0xc0/0xc0 [ 386.468999] ? warn_alloc+0x120/0x120 [ 386.472814] ? warn_alloc+0x120/0x120 [ 386.476616] ? print_usage_bug+0xc0/0xc0 [ 386.480680] ? kvm_clock_read+0x18/0x30 [ 386.484657] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 386.489676] ? print_usage_bug+0xc0/0xc0 [ 386.493740] ? __lock_acquire+0x62f/0x4c20 [ 386.497980] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 386.503530] ? should_fail+0x22d/0xd01 [ 386.507457] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 386.512758] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 386.517887] ? __lock_acquire+0x62f/0x4c20 [ 386.522142] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 386.527258] ? __lock_acquire+0x62f/0x4c20 [ 386.531512] ? should_fail+0x22d/0xd01 [ 386.535404] ? rcu_irq_exit+0x1a2/0x390 [ 386.539390] ? mark_held_locks+0x130/0x130 [ 386.543631] ? mark_held_locks+0x130/0x130 [ 386.547878] ? mark_held_locks+0xc7/0x130 [ 386.552037] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 386.557057] ? zap_class+0x640/0x640 [ 386.560774] ? print_usage_bug+0xc0/0xc0 [ 386.564839] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.570385] ? check_preemption_disabled+0x48/0x280 [ 386.575412] ? __lock_is_held+0xb5/0x140 [ 386.579481] __alloc_pages_nodemask+0xa80/0xde0 [ 386.584153] ? zap_class+0x640/0x640 [ 386.587875] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 386.592904] ? find_held_lock+0x36/0x1c0 [ 386.596975] ? ____cache_alloc_node+0x1c7/0x1e0 [ 386.601650] ? lock_downgrade+0x900/0x900 [ 386.605808] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.611595] cache_grow_begin+0xa5/0x8c0 [ 386.615660] ? do_raw_spin_unlock+0xa7/0x330 [ 386.620098] fallback_alloc+0x204/0x2e0 [ 386.624082] ____cache_alloc_node+0x1c7/0x1e0 [ 386.628584] kmem_cache_alloc_node+0xe3/0x730 [ 386.633083] ? ipv6_get_ifaddr+0x42e/0x620 [ 386.637377] __alloc_skb+0x119/0x770 [ 386.641105] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 386.646400] ? netdev_alloc_frag+0x1f0/0x1f0 [ 386.650824] ? lock_downgrade+0x900/0x900 [ 386.654983] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.660548] ? refcount_sub_and_test_checked+0x203/0x310 [ 386.666008] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 386.671471] ? addrconf_rs_timer+0x690/0x690 [ 386.675890] ndisc_alloc_skb+0x144/0x340 [ 386.679961] ndisc_send_rs+0x331/0x6e0 [ 386.683857] addrconf_rs_timer+0x314/0x690 [ 386.688112] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.692359] call_timer_fn+0x272/0x920 [ 386.696245] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.700510] ? process_timeout+0x40/0x40 [ 386.704581] ? __run_timers+0x7da/0xc70 [ 386.708562] ? _raw_spin_unlock_irq+0x27/0x80 [ 386.713056] ? _raw_spin_unlock_irq+0x27/0x80 [ 386.717556] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.721792] ? lockdep_hardirqs_on+0x296/0x5b0 [ 386.726376] ? trace_hardirqs_on+0xbd/0x310 [ 386.730717] ? kasan_check_read+0x11/0x20 [ 386.734863] ? __run_timers+0x7da/0xc70 [ 386.738841] ? trace_hardirqs_off_caller+0x310/0x310 [ 386.744461] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.748716] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.752949] __run_timers+0x7e5/0xc70 [ 386.756766] ? timer_fixup_init+0x70/0x70 [ 386.760918] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 386.765938] ? zap_class+0x640/0x640 [ 386.769671] ? enqueue_hrtimer+0x1a5/0x560 [ 386.773922] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 386.779119] ? find_held_lock+0x36/0x1c0 [ 386.783218] ? zap_class+0x640/0x640 [ 386.786933] ? pvclock_read_flags+0x160/0x160 [ 386.791434] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.796977] ? check_preemption_disabled+0x48/0x280 [ 386.802002] ? __lock_is_held+0xb5/0x140 [ 386.806088] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.811628] ? check_preemption_disabled+0x48/0x280 [ 386.816736] run_timer_softirq+0x52/0xb0 [ 386.820799] ? rcu_read_lock_sched_held+0x14f/0x180 [ 386.825820] __do_softirq+0x308/0xb7e [ 386.829642] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 386.834138] ? lock_downgrade+0x900/0x900 [ 386.838295] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 386.843409] ? pvclock_read_flags+0x160/0x160 [ 386.847912] ? lapic_next_event+0x5a/0x90 [ 386.852095] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.857651] ? kvm_clock_read+0x18/0x30 [ 386.861622] ? kvm_sched_clock_read+0x9/0x20 [ 386.866064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.871605] ? check_preemption_disabled+0x48/0x280 [ 386.876631] irq_exit+0x17f/0x1c0 [ 386.880091] smp_apic_timer_interrupt+0x1cb/0x760 [ 386.884938] ? smp_reschedule_interrupt+0x109/0x650 [ 386.889959] ? smp_call_function_single_interrupt+0x650/0x650 [ 386.895849] ? interrupt_entry+0xb5/0xc0 [ 386.899927] ? trace_hardirqs_off_caller+0xbb/0x310 [ 386.904957] ? trace_hardirqs_off_caller+0xbb/0x310 [ 386.909984] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 386.914838] ? trace_hardirqs_on_caller+0x310/0x310 [ 386.919859] ? trace_hardirqs_on_caller+0x310/0x310 [ 386.924890] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 386.929744] apic_timer_interrupt+0xf/0x20 [ 386.933973] [ 386.936213] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 386.941144] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7 [ 386.960049] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 386.967756] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 386.975025] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286 [ 386.982292] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000 [ 386.989562] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 386.996826] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020 [ 387.004136] skb_clone+0x1bb/0x500 [ 387.007705] ? finish_task_switch+0x2f4/0x910 [ 387.012203] ? skb_split+0x11e0/0x11e0 [ 387.016090] ? preempt_notifier_register+0x200/0x200 [ 387.021222] ? __switch_to_asm+0x34/0x70 [ 387.025296] ? __switch_to_asm+0x34/0x70 [ 387.029371] ? __switch_to_asm+0x40/0x70 [ 387.033431] ? __switch_to_asm+0x34/0x70 [ 387.037491] ? __switch_to_asm+0x40/0x70 [ 387.041554] ? __switch_to_asm+0x34/0x70 [ 387.045614] ? __switch_to_asm+0x40/0x70 [ 387.049676] ? __switch_to_asm+0x34/0x70 [ 387.053736] ? __switch_to_asm+0x34/0x70 [ 387.057797] ? __switch_to_asm+0x40/0x70 [ 387.061855] ? __switch_to_asm+0x34/0x70 [ 387.065919] bpf_clone_redirect+0xb9/0x490 [ 387.070169] ? __schedule+0x8d7/0x21d0 [ 387.074063] bpf_prog_bebbfe2050753572+0x1d8/0x1000 [ 387.079083] ? __sched_text_start+0x8/0x8 [ 387.083236] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 387.087816] ? retint_kernel+0x2d/0x2d [ 387.091706] ? trace_hardirqs_on_caller+0xc0/0x310 [ 387.096645] ? find_held_lock+0x36/0x1c0 [ 387.100744] ? lock_acquire+0x1ed/0x520 [ 387.104721] ? bpf_test_run+0x3cb/0x780 [ 387.108696] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.114248] ? check_preemption_disabled+0x48/0x280 [ 387.119288] ? kasan_check_read+0x11/0x20 [ 387.123439] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 387.128730] ? rcu_softirq_qs+0x20/0x20 [ 387.132703] ? preempt_schedule+0x4d/0x60 [ 387.136853] ? ___preempt_schedule+0x16/0x18 [ 387.141286] ? bpf_test_run+0x25d/0x780 [ 387.145302] ? netlink_diag_dump+0x2a0/0x2a0 [ 387.149714] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 387.155271] ? bpf_test_init.isra.10+0x70/0x100 [ 387.159947] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 387.164729] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 387.169574] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 387.175114] ? fput+0x130/0x1a0 [ 387.178397] ? __bpf_prog_get+0x9b/0x290 [ 387.182465] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 387.187306] ? bpf_prog_test_run+0x130/0x1a0 [ 387.191717] ? __x64_sys_bpf+0x3d8/0x520 [ 387.195778] ? bpf_prog_get+0x20/0x20 [ 387.199598] ? do_syscall_64+0x1b9/0x820 [ 387.203656] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 387.209031] ? syscall_return_slowpath+0x5e0/0x5e0 [ 387.213959] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 387.218824] ? trace_hardirqs_on_caller+0x310/0x310 [ 387.223869] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 387.228891] ? prepare_exit_to_usermode+0x291/0x3b0 [ 387.233928] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 387.238777] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 387.244170] warn_alloc_show_mem: 1 callbacks suppressed [ 387.244182] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145 [ 387.244184] Mem-Info: [ 387.244215] active_anon:51179 inactive_anon:236 isolated_anon:0 [ 387.244215] active_file:17 inactive_file:9 isolated_file:0 [ 387.244215] unevictable:0 dirty:0 writeback:0 unstable:0 [ 387.244215] slab_reclaimable:9362 slab_unreclaimable:1467319 [ 387.244215] mapped:16386 shmem:283 pagetables:457 bounce:0 [ 387.244215] free:13694 free_pcp:258 free_cma:0 [ 387.249572] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 387.256590] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 387.258992] Call Trace: [ 387.291792] 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 [ 387.301135] [ 387.328615] lowmem_reserve[]: 0 2818 6321 6321 [ 387.331198] dump_stack+0x244/0x39d [ 387.357281] Node 0 DMA32 free:24972kB 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:0kB local_pcp:0kB free_cma:0kB [ 387.359429] ? dump_stack_print_info.cold.1+0x20/0x20 [ 387.363984] lowmem_reserve[]: 0 0 3503 3503 [ 387.367616] warn_alloc.cold.116+0xb7/0x1bd [ 387.394737] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB [ 387.399947] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 387.404261] lowmem_reserve[]: 0 0 0 0 [ 387.408578] ? lock_downgrade+0x900/0x900 [ 387.437524] 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 [ 387.442381] ? trace_hardirqs_off+0xb8/0x310 [ 387.446153] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB [ 387.450327] ? trace_hardirqs_off+0xb8/0x310 [ 387.463827] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB [ 387.468239] __alloc_pages_slowpath+0x26e8/0x2e10 [ 387.483387] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 387.487801] ? warn_alloc+0x120/0x120 [ 387.501978] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 387.506807] ? print_usage_bug+0xc0/0xc0 [ 387.515646] 309 total pagecache pages [ 387.519438] ? warn_alloc+0x120/0x120 [ 387.528024] 0 pages in swap cache [ 387.532077] ? warn_alloc+0x120/0x120 [ 387.535856] Swap cache stats: add 0, delete 0, find 0/0 [ 387.539692] ? print_usage_bug+0xc0/0xc0 [ 387.543138] Free swap = 0kB [ 387.546934] ? kvm_clock_read+0x18/0x30 [ 387.552272] Total swap = 0kB [ 387.556326] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 387.559321] 1965979 pages RAM [ 387.563290] ? print_usage_bug+0xc0/0xc0 [ 387.566303] 0 pages HighMem/MovableOnly [ 387.571327] ? __lock_acquire+0x62f/0x4c20 [ 387.574426] 342853 pages reserved [ 387.578499] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 387.582450] 0 pages cma reserved [ 387.586703] ? should_fail+0x22d/0xd01 [ 387.590195] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 387.595654] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 387.595673] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 387.595691] ? __lock_acquire+0x62f/0x4c20 [ 387.599096] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 387.602932] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 387.609399] syz-executor2 cpuset=syz2 mems_allowed=0 [ 387.614677] ? __lock_acquire+0x62f/0x4c20 [ 387.648887] ? should_fail+0x22d/0xd01 [ 387.652770] ? rcu_irq_exit+0x1a2/0x390 [ 387.656760] ? mark_held_locks+0x130/0x130 [ 387.661005] ? mark_held_locks+0x130/0x130 [ 387.665259] ? mark_held_locks+0xc7/0x130 [ 387.669407] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 387.674425] ? zap_class+0x640/0x640 [ 387.678143] ? print_usage_bug+0xc0/0xc0 [ 387.682212] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.687755] ? check_preemption_disabled+0x48/0x280 [ 387.692784] ? __lock_is_held+0xb5/0x140 [ 387.696852] __alloc_pages_nodemask+0xa80/0xde0 [ 387.701526] ? zap_class+0x640/0x640 [ 387.705279] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 387.710309] ? find_held_lock+0x36/0x1c0 [ 387.714383] ? ____cache_alloc_node+0x1c7/0x1e0 [ 387.719063] ? lock_downgrade+0x900/0x900 [ 387.723231] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.728774] cache_grow_begin+0xa5/0x8c0 [ 387.732853] ? do_raw_spin_unlock+0xa7/0x330 [ 387.737269] fallback_alloc+0x204/0x2e0 [ 387.741253] ____cache_alloc_node+0x1c7/0x1e0 [ 387.745754] kmem_cache_alloc_node+0xe3/0x730 [ 387.750250] ? ipv6_get_ifaddr+0x42e/0x620 [ 387.754497] __alloc_skb+0x119/0x770 [ 387.758241] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 387.763522] ? netdev_alloc_frag+0x1f0/0x1f0 [ 387.767933] ? lock_downgrade+0x900/0x900 [ 387.772090] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.777640] ? refcount_sub_and_test_checked+0x203/0x310 [ 387.783095] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 387.788549] ? addrconf_rs_timer+0x690/0x690 [ 387.792986] ndisc_alloc_skb+0x144/0x340 [ 387.797097] ndisc_send_rs+0x331/0x6e0 [ 387.800988] addrconf_rs_timer+0x314/0x690 [ 387.805242] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.809505] call_timer_fn+0x272/0x920 [ 387.813395] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.817629] ? process_timeout+0x40/0x40 [ 387.821704] ? mark_held_locks+0xc7/0x130 [ 387.825853] ? _raw_spin_unlock_irq+0x27/0x80 [ 387.830348] ? _raw_spin_unlock_irq+0x27/0x80 [ 387.834844] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.839081] ? lockdep_hardirqs_on+0x296/0x5b0 [ 387.843683] ? trace_hardirqs_on+0xbd/0x310 [ 387.848044] ? kasan_check_read+0x11/0x20 [ 387.852191] ? __run_timers+0x7da/0xc70 [ 387.856166] ? trace_hardirqs_off_caller+0x310/0x310 [ 387.861274] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.865515] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.869748] __run_timers+0x7e5/0xc70 [ 387.873557] ? timer_fixup_init+0x70/0x70 [ 387.877706] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 387.882740] ? zap_class+0x640/0x640 [ 387.886490] ? print_usage_bug+0xc0/0xc0 [ 387.890553] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 387.895752] ? find_held_lock+0x36/0x1c0 [ 387.899847] ? zap_class+0x640/0x640 [ 387.903570] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.909111] ? check_preemption_disabled+0x48/0x280 [ 387.914149] ? __lock_is_held+0xb5/0x140 [ 387.918244] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.923786] ? check_preemption_disabled+0x48/0x280 [ 387.928868] run_timer_softirq+0x52/0xb0 [ 387.932946] ? rcu_read_lock_sched_held+0x14f/0x180 [ 387.937962] __do_softirq+0x308/0xb7e [ 387.941768] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 387.946267] ? lock_downgrade+0x900/0x900 [ 387.950418] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 387.955544] ? pvclock_read_flags+0x160/0x160 [ 387.960059] ? lapic_next_event+0x5a/0x90 [ 387.964230] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.969774] ? kvm_clock_read+0x18/0x30 [ 387.973753] ? kvm_sched_clock_read+0x9/0x20 [ 387.978166] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.983710] ? check_preemption_disabled+0x48/0x280 [ 387.988736] irq_exit+0x17f/0x1c0 [ 387.992193] smp_apic_timer_interrupt+0x1cb/0x760 [ 387.997045] ? smp_reschedule_interrupt+0x109/0x650 [ 388.002066] ? smp_call_function_single_interrupt+0x650/0x650 [ 388.007950] ? interrupt_entry+0xb5/0xc0 [ 388.012023] ? trace_hardirqs_off_caller+0xbb/0x310 [ 388.017085] ? trace_hardirqs_off_caller+0xbb/0x310 [ 388.022103] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 388.026950] ? trace_hardirqs_on_caller+0x310/0x310 [ 388.031966] ? trace_hardirqs_on_caller+0x310/0x310 [ 388.036980] ? task_prio+0x50/0x50 [ 388.040525] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.046069] ? check_preemption_disabled+0x48/0x280 [ 388.051097] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 388.055950] apic_timer_interrupt+0xf/0x20 [ 388.060182] [ 388.062425] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 388.067617] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 388.086521] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 388.094227] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e [ 388.101498] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc [ 388.108767] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 388.116043] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000 [ 388.123313] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 388.130611] retint_kernel+0x1b/0x2d [ 388.134324] RIP: 0010:dump_stack+0x358/0x39d [ 388.138730] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 388.157630] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 388.165336] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e [ 388.172603] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 388.179871] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 388.187148] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45 [ 388.194413] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 388.201704] ? dump_stack+0x34f/0x39d [ 388.205553] ? dump_stack_print_info.cold.1+0x20/0x20 [ 388.210752] ? mark_held_locks+0x130/0x130 [ 388.214988] ? mark_held_locks+0x130/0x130 [ 388.219238] dump_header+0x27b/0xf72 [ 388.222966] ? pagefault_out_of_memory+0x197/0x197 [ 388.227906] ? __lock_acquire+0x62f/0x4c20 [ 388.232147] ? percpu_ref_get_many+0x240/0x240 [ 388.236733] ? print_usage_bug+0xc0/0xc0 [ 388.240814] ? zap_class+0x640/0x640 [ 388.244548] ? print_usage_bug+0xc0/0xc0 [ 388.248611] ? print_usage_bug+0xc0/0xc0 [ 388.252671] ? zap_class+0x640/0x640 [ 388.256391] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.261936] ? find_held_lock+0x36/0x1c0 [ 388.266013] ? mark_held_locks+0xc7/0x130 [ 388.270181] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 388.275286] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 388.280393] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 388.284977] ? trace_hardirqs_on+0xbd/0x310 [ 388.289299] ? kasan_check_read+0x11/0x20 [ 388.293446] ? ___ratelimit+0x3b4/0x672 [ 388.297422] ? trace_hardirqs_off_caller+0x310/0x310 [ 388.302541] ? trace_hardirqs_on+0x310/0x310 [ 388.306954] ? lock_downgrade+0x900/0x900 [ 388.311123] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 388.316239] ? ___ratelimit+0x3b9/0x672 [ 388.320219] ? idr_get_free+0xf70/0xf70 [ 388.324197] ? find_held_lock+0x36/0x1c0 [ 388.328269] oom_kill_process.cold.27+0x10/0x903 [ 388.333031] ? zap_class+0x640/0x640 [ 388.336768] ? check_preemption_disabled+0x48/0x280 [ 388.341790] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 388.346749] ? kasan_check_read+0x11/0x20 [ 388.350896] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 388.356239] ? oom_evaluate_task+0x540/0x540 [ 388.360680] ? find_held_lock+0x36/0x1c0 [ 388.364760] ? out_of_memory+0x974/0x1430 [ 388.368910] ? lock_downgrade+0x900/0x900 [ 388.373063] ? check_preemption_disabled+0x48/0x280 [ 388.378084] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 388.383023] ? kasan_check_read+0x11/0x20 [ 388.387175] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 388.392472] ? rcu_softirq_qs+0x20/0x20 [ 388.396479] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 388.402023] ? oom_evaluate_task+0x302/0x540 [ 388.406444] out_of_memory+0xa84/0x1430 [ 388.410431] ? oom_killer_disable+0x3a0/0x3a0 [ 388.414930] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 388.419866] ? __ww_mutex_check_waiters+0x160/0x160 [ 388.424927] __alloc_pages_slowpath+0x2354/0x2e10 [ 388.429801] ? warn_alloc+0x120/0x120 [ 388.433615] ? mark_held_locks+0x130/0x130 [ 388.437855] ? find_get_entry+0xaae/0x1120 [ 388.442119] ? filemap_map_pages+0x1a20/0x1a20 [ 388.446728] ? zap_class+0x640/0x640 [ 388.450448] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.455985] ? check_preemption_disabled+0x48/0x280 [ 388.461009] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 388.466560] ? should_fail+0x22d/0xd01 [ 388.470456] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 388.475580] ? zap_class+0x640/0x640 [ 388.479320] ? __lock_is_held+0xb5/0x140 [ 388.483408] ? mark_held_locks+0x130/0x130 [ 388.487645] ? lock_release+0xa00/0xa00 [ 388.491637] ? perf_trace_sched_process_exec+0x860/0x860 [ 388.497106] ? xa_load+0x2ba/0x460 [ 388.500643] ? lock_downgrade+0x900/0x900 [ 388.504793] ? __might_sleep+0x95/0x190 [ 388.508772] __alloc_pages_nodemask+0xa80/0xde0 [ 388.513450] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 388.518482] ? __page_cache_alloc+0x191/0x5c0 [ 388.522974] ? xa_load+0x2e1/0x460 [ 388.526516] ? xa_clear_mark+0x40/0x40 [ 388.530412] ? zap_class+0x640/0x640 [ 388.534139] ? zap_class+0x640/0x640 [ 388.537857] ? zap_class+0x640/0x640 [ 388.541573] ? __do_page_cache_readahead+0x663/0x810 [ 388.546714] ? find_held_lock+0x36/0x1c0 [ 388.550785] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 388.556328] alloc_pages_current+0x173/0x350 [ 388.560747] __page_cache_alloc+0x38c/0x5c0 [ 388.565116] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 388.570065] ? kasan_check_read+0x11/0x20 [ 388.574216] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 388.579493] ? generic_perform_write+0x6a0/0x6a0 [ 388.584251] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 388.589801] ? check_preemption_disabled+0x48/0x280 [ 388.594825] filemap_fault+0x1595/0x25f0 [ 388.598906] ? __lock_page_or_retry+0xa00/0xa00 [ 388.603583] ? mark_held_locks+0x130/0x130 [ 388.607830] ? filemap_map_pages+0xd6b/0x1a20 [ 388.612827] ? lock_downgrade+0x900/0x900 [ 388.616978] ? check_preemption_disabled+0x48/0x280 [ 388.621997] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 388.626940] ? kasan_check_read+0x11/0x20 [ 388.631087] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 388.636369] ? rcu_softirq_qs+0x20/0x20 [ 388.640358] ? filemap_map_pages+0xd92/0x1a20 [ 388.644867] ? find_get_entries_tag+0x1400/0x1400 [ 388.649717] ? ep_scan_ready_list+0xbc7/0x1050 [ 388.654320] ? trace_hardirqs_off_caller+0x310/0x310 [ 388.659454] ? lock_acquire+0x1ed/0x520 [ 388.663440] ? ext4_filemap_fault+0x7a/0xad [ 388.667768] ? lock_release+0xa00/0xa00 [ 388.671741] ? perf_trace_sched_process_exec+0x860/0x860 [ 388.677194] ? print_usage_bug+0xc0/0xc0 [ 388.681257] ? print_usage_bug+0xc0/0xc0 [ 388.685340] ? down_read+0x8d/0x120 [ 388.688979] ? ext4_filemap_fault+0x7a/0xad [ 388.693325] ? __down_interruptible+0x700/0x700 [ 388.698047] ext4_filemap_fault+0x82/0xad [ 388.702237] __do_fault+0x100/0x6b0 [ 388.705878] ? pmd_devmap_trans_unstable+0x220/0x220 [ 388.710992] ? mark_held_locks+0x130/0x130 [ 388.715258] ? mark_held_locks+0x130/0x130 [ 388.719491] ? kasan_check_read+0x11/0x20 [ 388.723640] ? ep_poll+0xffa/0x13d0 [ 388.727270] ? trace_hardirqs_off_caller+0x310/0x310 [ 388.732383] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 388.737923] __handle_mm_fault+0x3ea0/0x5be0 [ 388.742470] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.748025] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 388.752909] ? do_epoll_create+0x590/0x590 [ 388.757144] ? kasan_check_read+0x11/0x20 [ 388.761301] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 388.766594] ? rcu_softirq_qs+0x20/0x20 [ 388.770582] ? zap_class+0x640/0x640 [ 388.774297] ? zap_class+0x640/0x640 [ 388.778036] ? find_held_lock+0x36/0x1c0 [ 388.782132] ? handle_mm_fault+0x42a/0xc70 [ 388.786370] ? lock_downgrade+0x900/0x900 [ 388.790533] ? check_preemption_disabled+0x48/0x280 [ 388.795559] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 388.800485] ? kasan_check_read+0x11/0x20 [ 388.804645] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 388.809919] ? rcu_softirq_qs+0x20/0x20 [ 388.813905] ? trace_hardirqs_off_caller+0x310/0x310 [ 388.819047] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 388.824610] ? check_preemption_disabled+0x48/0x280 [ 388.829632] handle_mm_fault+0x54f/0xc70 [ 388.833700] ? __handle_mm_fault+0x5be0/0x5be0 [ 388.838296] ? find_vma+0x34/0x190 [ 388.841843] __do_page_fault+0x5e8/0xe60 [ 388.845903] ? trace_hardirqs_off+0xb8/0x310 [ 388.850308] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 388.855865] do_page_fault+0xf2/0x7e0 [ 388.859703] ? vmalloc_sync_all+0x30/0x30 [ 388.863865] ? error_entry+0x70/0xd0 [ 388.867614] ? trace_hardirqs_off_caller+0xbb/0x310 [ 388.872630] ? trace_hardirqs_on_caller+0xc0/0x310 [ 388.877561] ? syscall_return_slowpath+0x5e0/0x5e0 [ 388.882490] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 388.887333] ? trace_hardirqs_on_caller+0x310/0x310 [ 388.892348] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 388.897804] ? prepare_exit_to_usermode+0x291/0x3b0 [ 388.902828] ? page_fault+0x8/0x30 [ 388.906424] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 388.911317] ? page_fault+0x8/0x30 [ 388.914861] page_fault+0x1e/0x30 [ 388.918311] RIP: 0033:0x45df89 [ 388.921518] Code: Bad RIP value. [ 388.924880] RSP: 002b:000000c42017b850 EFLAGS: 00010246 [ 388.930241] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89 [ 388.937509] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004 [ 388.944774] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500 [ 388.952053] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8 [ 388.959321] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff [ 388.966628] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145 [ 388.966712] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 388.973986] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 388.973991] Call Trace: [ 388.973997] [ 388.974037] dump_stack+0x244/0x39d [ 388.974059] ? dump_stack_print_info.cold.1+0x20/0x20 [ 388.980585] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 388.989893] warn_alloc.cold.116+0xb7/0x1bd [ 388.992461] syz-fuzzer cpuset=/ mems_allowed=0 [ 388.994607] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 389.027304] ? lock_downgrade+0x900/0x900 [ 389.031461] ? trace_hardirqs_off+0xb8/0x310 [ 389.035882] ? trace_hardirqs_off+0xb8/0x310 [ 389.040311] __alloc_pages_slowpath+0x26e8/0x2e10 [ 389.045184] ? warn_alloc+0x120/0x120 [ 389.048987] ? print_usage_bug+0xc0/0xc0 [ 389.053053] ? warn_alloc+0x120/0x120 [ 389.056862] ? warn_alloc+0x120/0x120 [ 389.060695] ? print_usage_bug+0xc0/0xc0 [ 389.064774] ? print_usage_bug+0xc0/0xc0 [ 389.068842] ? __lock_acquire+0x62f/0x4c20 [ 389.073105] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 389.078644] ? should_fail+0x22d/0xd01 [ 389.082543] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 389.087651] ? __lock_acquire+0x62f/0x4c20 [ 389.091890] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 389.096994] ? __lock_acquire+0x62f/0x4c20 [ 389.101235] ? should_fail+0x22d/0xd01 [ 389.105121] ? find_held_lock+0x36/0x1c0 [ 389.109189] ? mark_held_locks+0x130/0x130 [ 389.113442] ? mark_held_locks+0x130/0x130 [ 389.117680] ? zap_class+0x640/0x640 [ 389.121393] ? zap_class+0x640/0x640 [ 389.125110] ? print_usage_bug+0xc0/0xc0 [ 389.129174] ? do_raw_spin_unlock+0xa7/0x330 [ 389.133586] ? zap_class+0x640/0x640 [ 389.137314] ? print_usage_bug+0xc0/0xc0 [ 389.141391] ? wq_watchdog_touch+0x9c/0xfe [ 389.145630] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.151170] ? check_preemption_disabled+0x48/0x280 [ 389.156200] ? __lock_is_held+0xb5/0x140 [ 389.160269] __alloc_pages_nodemask+0xa80/0xde0 [ 389.164939] ? zap_class+0x640/0x640 [ 389.168662] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 389.173692] ? find_held_lock+0x36/0x1c0 [ 389.177765] ? ____cache_alloc_node+0x1c7/0x1e0 [ 389.182435] ? lock_downgrade+0x900/0x900 [ 389.186589] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.192147] cache_grow_begin+0xa5/0x8c0 [ 389.196208] ? do_raw_spin_unlock+0xa7/0x330 [ 389.200628] fallback_alloc+0x204/0x2e0 [ 389.204612] ____cache_alloc_node+0x1c7/0x1e0 [ 389.209116] kmem_cache_alloc_node+0xe3/0x730 [ 389.213615] ? ipv6_get_ifaddr+0x42e/0x620 [ 389.217862] __alloc_skb+0x119/0x770 [ 389.221577] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 389.226861] ? netdev_alloc_frag+0x1f0/0x1f0 [ 389.231272] ? lock_downgrade+0x900/0x900 [ 389.235431] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.240969] ? refcount_sub_and_test_checked+0x203/0x310 [ 389.246427] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 389.251878] ? addrconf_rs_timer+0x690/0x690 [ 389.256310] ndisc_alloc_skb+0x144/0x340 [ 389.260391] ndisc_send_rs+0x331/0x6e0 [ 389.264281] addrconf_rs_timer+0x314/0x690 [ 389.268525] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.272773] call_timer_fn+0x272/0x920 [ 389.276676] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.280914] ? process_timeout+0x40/0x40 [ 389.284983] ? __run_timers+0x7da/0xc70 [ 389.288963] ? _raw_spin_unlock_irq+0x27/0x80 [ 389.293457] ? _raw_spin_unlock_irq+0x27/0x80 [ 389.297953] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.302192] ? lockdep_hardirqs_on+0x296/0x5b0 [ 389.306790] ? trace_hardirqs_on+0xbd/0x310 [ 389.311155] ? kasan_check_read+0x11/0x20 [ 389.315317] ? __run_timers+0x7da/0xc70 [ 389.319305] ? trace_hardirqs_off_caller+0x310/0x310 [ 389.324424] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.328681] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.332915] __run_timers+0x7e5/0xc70 [ 389.336742] ? timer_fixup_init+0x70/0x70 [ 389.340906] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 389.345922] ? zap_class+0x640/0x640 [ 389.349649] ? enqueue_hrtimer+0x1a5/0x560 [ 389.353888] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 389.359088] ? find_held_lock+0x36/0x1c0 [ 389.363173] ? zap_class+0x640/0x640 [ 389.368311] ? pvclock_read_flags+0x160/0x160 [ 389.372808] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.378347] ? check_preemption_disabled+0x48/0x280 [ 389.383374] ? __lock_is_held+0xb5/0x140 [ 389.387437] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.392990] ? check_preemption_disabled+0x48/0x280 [ 389.398030] run_timer_softirq+0x52/0xb0 [ 389.402095] ? rcu_read_lock_sched_held+0x14f/0x180 [ 389.407113] __do_softirq+0x308/0xb7e [ 389.410922] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 389.415438] ? lock_downgrade+0x900/0x900 [ 389.419588] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 389.424727] ? pvclock_read_flags+0x160/0x160 [ 389.429251] ? lapic_next_event+0x5a/0x90 [ 389.433430] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.438971] ? kvm_clock_read+0x18/0x30 [ 389.442946] ? kvm_sched_clock_read+0x9/0x20 [ 389.447356] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.452894] ? check_preemption_disabled+0x48/0x280 [ 389.457922] irq_exit+0x17f/0x1c0 [ 389.461397] smp_apic_timer_interrupt+0x1cb/0x760 [ 389.466240] ? smp_reschedule_interrupt+0x109/0x650 [ 389.471261] ? smp_call_function_single_interrupt+0x650/0x650 [ 389.477148] ? interrupt_entry+0xb5/0xc0 [ 389.481211] ? trace_hardirqs_off_caller+0xbb/0x310 [ 389.486226] ? trace_hardirqs_off_caller+0xbb/0x310 [ 389.491248] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 389.496097] ? trace_hardirqs_on_caller+0x310/0x310 [ 389.501145] ? trace_hardirqs_on_caller+0x310/0x310 [ 389.506188] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 389.511050] apic_timer_interrupt+0xf/0x20 [ 389.515282] [ 389.517526] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 389.522464] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7 [ 389.541365] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 389.549088] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 389.556357] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286 [ 389.563665] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000 [ 389.570970] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 389.578236] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020 [ 389.585543] skb_clone+0x1bb/0x500 [ 389.589086] ? finish_task_switch+0x2f4/0x910 [ 389.593584] ? skb_split+0x11e0/0x11e0 [ 389.597475] ? preempt_notifier_register+0x200/0x200 [ 389.602625] ? __switch_to_asm+0x34/0x70 [ 389.606686] ? __switch_to_asm+0x34/0x70 [ 389.610745] ? __switch_to_asm+0x40/0x70 [ 389.614801] ? __switch_to_asm+0x34/0x70 [ 389.618861] ? __switch_to_asm+0x40/0x70 [ 389.622921] ? __switch_to_asm+0x34/0x70 [ 389.626982] ? __switch_to_asm+0x40/0x70 [ 389.631058] ? __switch_to_asm+0x34/0x70 [ 389.635120] ? __switch_to_asm+0x34/0x70 [ 389.639180] ? __switch_to_asm+0x40/0x70 [ 389.643259] ? __switch_to_asm+0x34/0x70 [ 389.647326] bpf_clone_redirect+0xb9/0x490 [ 389.651566] ? __schedule+0x8d7/0x21d0 [ 389.655488] bpf_prog_bebbfe2050753572+0x1d8/0x1000 [ 389.660521] ? __sched_text_start+0x8/0x8 [ 389.664677] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 389.669259] ? retint_kernel+0x2d/0x2d [ 389.673148] ? trace_hardirqs_on_caller+0xc0/0x310 [ 389.678080] ? find_held_lock+0x36/0x1c0 [ 389.682149] ? lock_acquire+0x1ed/0x520 [ 389.686137] ? bpf_test_run+0x3cb/0x780 [ 389.690129] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.695671] ? check_preemption_disabled+0x48/0x280 [ 389.700695] ? kasan_check_read+0x11/0x20 [ 389.704847] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 389.710142] ? rcu_softirq_qs+0x20/0x20 [ 389.714132] ? preempt_schedule+0x4d/0x60 [ 389.718283] ? ___preempt_schedule+0x16/0x18 [ 389.722699] ? bpf_test_run+0x25d/0x780 [ 389.726702] ? netlink_diag_dump+0x2a0/0x2a0 [ 389.731125] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 389.736661] ? bpf_test_init.isra.10+0x70/0x100 [ 389.741339] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 389.746105] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 389.750960] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 389.756502] ? fput+0x130/0x1a0 [ 389.759784] ? __bpf_prog_get+0x9b/0x290 [ 389.763853] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 389.768694] ? bpf_prog_test_run+0x130/0x1a0 [ 389.773109] ? __x64_sys_bpf+0x3d8/0x520 [ 389.777172] ? bpf_prog_get+0x20/0x20 [ 389.780996] ? do_syscall_64+0x1b9/0x820 [ 389.785068] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 389.790448] ? syscall_return_slowpath+0x5e0/0x5e0 [ 389.795380] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 389.800229] ? trace_hardirqs_on_caller+0x310/0x310 [ 389.805247] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 389.810271] ? prepare_exit_to_usermode+0x291/0x3b0 [ 389.815295] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 389.820146] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 389.825530] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145 [ 389.825535] warn_alloc_show_mem: 1 callbacks suppressed [ 389.825545] Mem-Info: [ 389.832548] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 389.832556] Call Trace: [ 389.837934] active_anon:51179 inactive_anon:236 isolated_anon:0 [ 389.837934] active_file:17 inactive_file:9 isolated_file:0 [ 389.837934] unevictable:0 dirty:0 writeback:0 unstable:0 [ 389.837934] slab_reclaimable:9362 slab_unreclaimable:1467319 [ 389.837934] mapped:16386 shmem:283 pagetables:457 bounce:0 [ 389.837934] free:13694 free_pcp:258 free_cma:0 [ 389.840305] [ 389.849670] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 389.852255] dump_stack+0x244/0x39d [ 389.885030] 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 [ 389.887182] ? dump_stack_print_info.cold.1+0x20/0x20 [ 389.914658] lowmem_reserve[]: 0 2818 6321 6321 [ 389.918288] warn_alloc.cold.116+0xb7/0x1bd [ 389.944367] Node 0 DMA32 free:24972kB 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:0kB local_pcp:0kB free_cma:0kB [ 389.949557] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 389.954145] lowmem_reserve[]: 0 0 3503 3503 [ 389.958488] ? lock_downgrade+0x900/0x900 [ 389.985611] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB [ 389.990451] ? trace_hardirqs_off+0xb8/0x310 [ 389.994747] lowmem_reserve[]: 0 0 0 0 [ 389.998891] ? trace_hardirqs_off+0xb8/0x310 [ 390.027860] 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 [ 390.032307] __alloc_pages_slowpath+0x26e8/0x2e10 [ 390.036075] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB [ 390.040516] ? warn_alloc+0x120/0x120 [ 390.053997] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB [ 390.058854] ? print_usage_bug+0xc0/0xc0 [ 390.074008] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 390.077801] ? warn_alloc+0x120/0x120 [ 390.092001] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 390.096060] ? warn_alloc+0x120/0x120 [ 390.104865] 309 total pagecache pages [ 390.108656] ? print_usage_bug+0xc0/0xc0 [ 390.117213] 0 pages in swap cache [ 390.121023] ? print_usage_bug+0xc0/0xc0 [ 390.124814] Swap cache stats: add 0, delete 0, find 0/0 [ 390.128864] ? __lock_acquire+0x62f/0x4c20 [ 390.132292] Free swap = 0kB [ 390.136345] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 390.141684] Total swap = 0kB [ 390.145912] ? should_fail+0x22d/0xd01 [ 390.148906] 1965979 pages RAM [ 390.154450] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 390.157447] 0 pages HighMem/MovableOnly [ 390.161334] ? __lock_acquire+0x62f/0x4c20 [ 390.164415] 342853 pages reserved [ 390.169535] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 390.173502] 0 pages cma reserved [ 390.177729] ? __lock_acquire+0x62f/0x4c20 [ 390.181250] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 390.186247] ? should_fail+0x22d/0xd01 [ 390.186261] ? find_held_lock+0x36/0x1c0 [ 390.186284] ? mark_held_locks+0x130/0x130 [ 390.189683] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 390.193862] ? mark_held_locks+0x130/0x130 [ 390.200330] syz-executor2 cpuset=syz2 mems_allowed=0 [ 390.204209] ? zap_class+0x640/0x640 [ 390.235966] ? zap_class+0x640/0x640 [ 390.239713] ? print_usage_bug+0xc0/0xc0 [ 390.243774] ? do_raw_spin_unlock+0xa7/0x330 [ 390.248180] ? zap_class+0x640/0x640 [ 390.251912] ? print_usage_bug+0xc0/0xc0 [ 390.256013] ? wq_watchdog_touch+0x9c/0xfe [ 390.260310] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.265848] ? check_preemption_disabled+0x48/0x280 [ 390.270873] ? __lock_is_held+0xb5/0x140 [ 390.274940] __alloc_pages_nodemask+0xa80/0xde0 [ 390.279610] ? zap_class+0x640/0x640 [ 390.283331] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 390.288370] ? find_held_lock+0x36/0x1c0 [ 390.292447] ? ____cache_alloc_node+0x1c7/0x1e0 [ 390.297121] ? lock_downgrade+0x900/0x900 [ 390.301289] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.306846] cache_grow_begin+0xa5/0x8c0 [ 390.310911] ? do_raw_spin_unlock+0xa7/0x330 [ 390.315328] fallback_alloc+0x204/0x2e0 [ 390.319313] ____cache_alloc_node+0x1c7/0x1e0 [ 390.323816] kmem_cache_alloc_node+0xe3/0x730 [ 390.328328] ? ipv6_get_ifaddr+0x42e/0x620 [ 390.332583] __alloc_skb+0x119/0x770 [ 390.336298] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 390.341596] ? netdev_alloc_frag+0x1f0/0x1f0 [ 390.346006] ? lock_downgrade+0x900/0x900 [ 390.350212] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.355756] ? refcount_sub_and_test_checked+0x203/0x310 [ 390.361215] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 390.366698] ? addrconf_rs_timer+0x690/0x690 [ 390.371142] ndisc_alloc_skb+0x144/0x340 [ 390.375213] ndisc_send_rs+0x331/0x6e0 [ 390.379122] addrconf_rs_timer+0x314/0x690 [ 390.383362] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.387654] call_timer_fn+0x272/0x920 [ 390.391542] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.395776] ? process_timeout+0x40/0x40 [ 390.399855] ? mark_held_locks+0xc7/0x130 [ 390.404010] ? _raw_spin_unlock_irq+0x27/0x80 [ 390.408521] ? _raw_spin_unlock_irq+0x27/0x80 [ 390.413023] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.417268] ? lockdep_hardirqs_on+0x296/0x5b0 [ 390.421856] ? trace_hardirqs_on+0xbd/0x310 [ 390.426196] ? kasan_check_read+0x11/0x20 [ 390.430355] ? __run_timers+0x7da/0xc70 [ 390.434332] ? trace_hardirqs_off_caller+0x310/0x310 [ 390.439441] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.443680] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.447946] __run_timers+0x7e5/0xc70 [ 390.451776] ? timer_fixup_init+0x70/0x70 [ 390.455929] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 390.460949] ? zap_class+0x640/0x640 [ 390.464668] ? print_usage_bug+0xc0/0xc0 [ 390.468736] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 390.473932] ? find_held_lock+0x36/0x1c0 [ 390.478036] ? zap_class+0x640/0x640 [ 390.481768] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.487307] ? check_preemption_disabled+0x48/0x280 [ 390.492335] ? __lock_is_held+0xb5/0x140 [ 390.496396] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.501938] ? check_preemption_disabled+0x48/0x280 [ 390.506959] run_timer_softirq+0x52/0xb0 [ 390.511029] ? rcu_read_lock_sched_held+0x14f/0x180 [ 390.516063] __do_softirq+0x308/0xb7e [ 390.519869] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 390.524392] ? lock_downgrade+0x900/0x900 [ 390.528559] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 390.533670] ? pvclock_read_flags+0x160/0x160 [ 390.538174] ? lapic_next_event+0x5a/0x90 [ 390.542324] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.547886] ? kvm_clock_read+0x18/0x30 [ 390.551867] ? kvm_sched_clock_read+0x9/0x20 [ 390.556278] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.561815] ? check_preemption_disabled+0x48/0x280 [ 390.566870] irq_exit+0x17f/0x1c0 [ 390.570326] smp_apic_timer_interrupt+0x1cb/0x760 [ 390.575167] ? smp_reschedule_interrupt+0x109/0x650 [ 390.580215] ? smp_call_function_single_interrupt+0x650/0x650 [ 390.586099] ? interrupt_entry+0xb5/0xc0 [ 390.590164] ? trace_hardirqs_off_caller+0xbb/0x310 [ 390.595179] ? trace_hardirqs_off_caller+0xbb/0x310 [ 390.600198] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 390.605055] ? trace_hardirqs_on_caller+0x310/0x310 [ 390.610089] ? trace_hardirqs_on_caller+0x310/0x310 [ 390.615604] ? task_prio+0x50/0x50 [ 390.619146] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.624687] ? check_preemption_disabled+0x48/0x280 [ 390.629711] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 390.634602] apic_timer_interrupt+0xf/0x20 [ 390.638830] [ 390.641074] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 390.646275] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 390.665174] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 390.672883] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e [ 390.680157] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc [ 390.687429] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 390.694714] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000 [ 390.701984] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 390.709293] retint_kernel+0x1b/0x2d [ 390.713008] RIP: 0010:dump_stack+0x358/0x39d [ 390.717432] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 390.736334] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 390.744144] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e [ 390.751415] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 390.758688] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 390.765957] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45 [ 390.773225] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 390.780525] ? dump_stack+0x34f/0x39d [ 390.784339] ? dump_stack_print_info.cold.1+0x20/0x20 [ 390.789534] ? mark_held_locks+0x130/0x130 [ 390.793773] ? mark_held_locks+0x130/0x130 [ 390.798023] dump_header+0x27b/0xf72 [ 390.801755] ? pagefault_out_of_memory+0x197/0x197 [ 390.806694] ? __lock_acquire+0x62f/0x4c20 [ 390.810932] ? percpu_ref_get_many+0x240/0x240 [ 390.815522] ? print_usage_bug+0xc0/0xc0 [ 390.819589] ? zap_class+0x640/0x640 [ 390.823308] ? print_usage_bug+0xc0/0xc0 [ 390.827371] ? print_usage_bug+0xc0/0xc0 [ 390.831432] ? zap_class+0x640/0x640 [ 390.835150] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.840692] ? find_held_lock+0x36/0x1c0 [ 390.844779] ? mark_held_locks+0xc7/0x130 [ 390.848947] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 390.854058] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 390.859168] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 390.863753] ? trace_hardirqs_on+0xbd/0x310 [ 390.868077] ? kasan_check_read+0x11/0x20 [ 390.872225] ? ___ratelimit+0x3b4/0x672 [ 390.876215] ? trace_hardirqs_off_caller+0x310/0x310 [ 390.881320] ? trace_hardirqs_on+0x310/0x310 [ 390.885728] ? lock_downgrade+0x900/0x900 [ 390.889881] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 390.895022] ? ___ratelimit+0x3b9/0x672 [ 390.899031] ? idr_get_free+0xf70/0xf70 [ 390.903042] ? find_held_lock+0x36/0x1c0 [ 390.907165] oom_kill_process.cold.27+0x10/0x903 [ 390.911935] ? zap_class+0x640/0x640 [ 390.915647] ? check_preemption_disabled+0x48/0x280 [ 390.920673] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 390.925598] ? kasan_check_read+0x11/0x20 [ 390.929745] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 390.935029] ? oom_evaluate_task+0x540/0x540 [ 390.939451] ? find_held_lock+0x36/0x1c0 [ 390.943531] ? out_of_memory+0x974/0x1430 [ 390.947678] ? lock_downgrade+0x900/0x900 [ 390.951826] ? check_preemption_disabled+0x48/0x280 [ 390.956860] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 390.961803] ? kasan_check_read+0x11/0x20 [ 390.965951] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 390.971227] ? rcu_softirq_qs+0x20/0x20 [ 390.975206] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 390.980741] ? oom_evaluate_task+0x302/0x540 [ 390.985159] out_of_memory+0xa84/0x1430 [ 390.989146] ? oom_killer_disable+0x3a0/0x3a0 [ 390.993644] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 390.998577] ? __ww_mutex_check_waiters+0x160/0x160 [ 391.003610] __alloc_pages_slowpath+0x2354/0x2e10 [ 391.008488] ? warn_alloc+0x120/0x120 [ 391.012287] ? mark_held_locks+0x130/0x130 [ 391.016532] ? find_get_entry+0xaae/0x1120 [ 391.020777] ? filemap_map_pages+0x1a20/0x1a20 [ 391.025367] ? zap_class+0x640/0x640 [ 391.029089] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.034630] ? check_preemption_disabled+0x48/0x280 [ 391.039649] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 391.045193] ? should_fail+0x22d/0xd01 [ 391.049088] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 391.054194] ? zap_class+0x640/0x640 [ 391.057937] ? __lock_is_held+0xb5/0x140 [ 391.062008] ? mark_held_locks+0x130/0x130 [ 391.066298] ? lock_release+0xa00/0xa00 [ 391.070275] ? perf_trace_sched_process_exec+0x860/0x860 [ 391.075728] ? xa_load+0x2ba/0x460 [ 391.079273] ? lock_downgrade+0x900/0x900 [ 391.083428] ? __might_sleep+0x95/0x190 [ 391.087409] __alloc_pages_nodemask+0xa80/0xde0 [ 391.092089] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 391.097122] ? __page_cache_alloc+0x191/0x5c0 [ 391.101630] ? xa_load+0x2e1/0x460 [ 391.105186] ? xa_clear_mark+0x40/0x40 [ 391.109098] ? zap_class+0x640/0x640 [ 391.112851] ? zap_class+0x640/0x640 [ 391.116569] ? zap_class+0x640/0x640 [ 391.120283] ? __do_page_cache_readahead+0x663/0x810 [ 391.125393] ? find_held_lock+0x36/0x1c0 [ 391.129460] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 391.135030] alloc_pages_current+0x173/0x350 [ 391.139452] __page_cache_alloc+0x38c/0x5c0 [ 391.143774] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 391.148700] ? kasan_check_read+0x11/0x20 [ 391.152848] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 391.158125] ? generic_perform_write+0x6a0/0x6a0 [ 391.162886] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 391.168444] ? check_preemption_disabled+0x48/0x280 [ 391.173473] filemap_fault+0x1595/0x25f0 [ 391.177551] ? __lock_page_or_retry+0xa00/0xa00 [ 391.182229] ? mark_held_locks+0x130/0x130 [ 391.186471] ? filemap_map_pages+0xd6b/0x1a20 [ 391.190968] ? lock_downgrade+0x900/0x900 [ 391.195120] ? check_preemption_disabled+0x48/0x280 [ 391.200143] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 391.205076] ? kasan_check_read+0x11/0x20 [ 391.209224] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 391.214499] ? rcu_softirq_qs+0x20/0x20 [ 391.218489] ? filemap_map_pages+0xd92/0x1a20 [ 391.223003] ? find_get_entries_tag+0x1400/0x1400 [ 391.227859] ? ep_scan_ready_list+0xbc7/0x1050 [ 391.232444] ? trace_hardirqs_off_caller+0x310/0x310 [ 391.237565] ? lock_acquire+0x1ed/0x520 [ 391.241539] ? ext4_filemap_fault+0x7a/0xad [ 391.245867] ? lock_release+0xa00/0xa00 [ 391.249841] ? perf_trace_sched_process_exec+0x860/0x860 [ 391.255291] ? print_usage_bug+0xc0/0xc0 [ 391.259370] ? print_usage_bug+0xc0/0xc0 [ 391.263460] ? down_read+0x8d/0x120 [ 391.267089] ? ext4_filemap_fault+0x7a/0xad [ 391.271414] ? __down_interruptible+0x700/0x700 [ 391.276094] ext4_filemap_fault+0x82/0xad [ 391.280252] __do_fault+0x100/0x6b0 [ 391.283884] ? pmd_devmap_trans_unstable+0x220/0x220 [ 391.288993] ? mark_held_locks+0x130/0x130 [ 391.293238] ? mark_held_locks+0x130/0x130 [ 391.297483] ? kasan_check_read+0x11/0x20 [ 391.301632] ? ep_poll+0xffa/0x13d0 [ 391.305272] ? trace_hardirqs_off_caller+0x310/0x310 [ 391.310385] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 391.315954] __handle_mm_fault+0x3ea0/0x5be0 [ 391.320387] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.325951] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 391.330813] ? do_epoll_create+0x590/0x590 [ 391.335075] ? kasan_check_read+0x11/0x20 [ 391.339224] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 391.344499] ? rcu_softirq_qs+0x20/0x20 [ 391.348488] ? zap_class+0x640/0x640 [ 391.352204] ? zap_class+0x640/0x640 [ 391.355926] ? find_held_lock+0x36/0x1c0 [ 391.360053] ? handle_mm_fault+0x42a/0xc70 [ 391.364308] ? lock_downgrade+0x900/0x900 [ 391.368459] ? check_preemption_disabled+0x48/0x280 [ 391.373476] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 391.378435] ? kasan_check_read+0x11/0x20 [ 391.382583] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 391.387876] ? rcu_softirq_qs+0x20/0x20 [ 391.391848] ? trace_hardirqs_off_caller+0x310/0x310 [ 391.396950] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 391.402494] ? check_preemption_disabled+0x48/0x280 [ 391.407523] handle_mm_fault+0x54f/0xc70 [ 391.411589] ? __handle_mm_fault+0x5be0/0x5be0 [ 391.416181] ? find_vma+0x34/0x190 [ 391.419730] __do_page_fault+0x5e8/0xe60 [ 391.423789] ? trace_hardirqs_off+0xb8/0x310 [ 391.428199] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 391.433745] do_page_fault+0xf2/0x7e0 [ 391.437552] ? vmalloc_sync_all+0x30/0x30 [ 391.441702] ? error_entry+0x70/0xd0 [ 391.445430] ? trace_hardirqs_off_caller+0xbb/0x310 [ 391.450447] ? trace_hardirqs_on_caller+0xc0/0x310 [ 391.455376] ? syscall_return_slowpath+0x5e0/0x5e0 [ 391.460319] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 391.465162] ? trace_hardirqs_on_caller+0x310/0x310 [ 391.470215] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 391.475674] ? prepare_exit_to_usermode+0x291/0x3b0 [ 391.480688] ? page_fault+0x8/0x30 [ 391.484226] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 391.489071] ? page_fault+0x8/0x30 [ 391.492608] page_fault+0x1e/0x30 [ 391.496093] RIP: 0033:0x45df89 [ 391.499312] Code: Bad RIP value. [ 391.502670] RSP: 002b:000000c42017b850 EFLAGS: 00010246 [ 391.508035] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89 [ 391.515311] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004 [ 391.522576] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500 [ 391.529840] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8 [ 391.537106] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff [ 391.544405] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145 [ 391.544469] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 391.551782] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 391.551791] Call Trace: [ 391.558417] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 391.567610] [ 391.570183] syz-fuzzer cpuset=/ mems_allowed=0 [ 391.580419] dump_stack+0x244/0x39d [ 391.590760] ? dump_stack_print_info.cold.1+0x20/0x20 [ 391.595967] warn_alloc.cold.116+0xb7/0x1bd [ 391.600290] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 391.605142] ? lock_downgrade+0x900/0x900 [ 391.609301] ? trace_hardirqs_off+0xb8/0x310 [ 391.613720] ? trace_hardirqs_off+0xb8/0x310 [ 391.618139] __alloc_pages_slowpath+0x26e8/0x2e10 [ 391.623012] ? warn_alloc+0x120/0x120 [ 391.626822] ? print_usage_bug+0xc0/0xc0 [ 391.630887] ? warn_alloc+0x120/0x120 [ 391.634695] ? warn_alloc+0x120/0x120 [ 391.638497] ? print_usage_bug+0xc0/0xc0 [ 391.642584] ? print_usage_bug+0xc0/0xc0 [ 391.646689] ? __lock_acquire+0x62f/0x4c20 [ 391.650976] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 391.656513] ? should_fail+0x22d/0xd01 [ 391.660410] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 391.665532] ? __lock_acquire+0x62f/0x4c20 [ 391.669779] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 391.674879] ? __lock_acquire+0x62f/0x4c20 [ 391.679127] ? should_fail+0x22d/0xd01 [ 391.683039] ? find_held_lock+0x36/0x1c0 [ 391.687114] ? mark_held_locks+0x130/0x130 [ 391.691355] ? mark_held_locks+0x130/0x130 [ 391.695588] ? zap_class+0x640/0x640 [ 391.699309] ? zap_class+0x640/0x640 [ 391.703032] ? print_usage_bug+0xc0/0xc0 [ 391.707123] ? do_raw_spin_unlock+0xa7/0x330 [ 391.711529] ? zap_class+0x640/0x640 [ 391.715247] ? print_usage_bug+0xc0/0xc0 [ 391.719307] ? wq_watchdog_touch+0x9c/0xfe [ 391.723550] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.729107] ? check_preemption_disabled+0x48/0x280 [ 391.734146] ? __lock_is_held+0xb5/0x140 [ 391.738242] __alloc_pages_nodemask+0xa80/0xde0 [ 391.742911] ? zap_class+0x640/0x640 [ 391.746633] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 391.751659] ? find_held_lock+0x36/0x1c0 [ 391.755735] ? ____cache_alloc_node+0x1c7/0x1e0 [ 391.760412] ? lock_downgrade+0x900/0x900 [ 391.764570] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.770116] cache_grow_begin+0xa5/0x8c0 [ 391.774191] ? do_raw_spin_unlock+0xa7/0x330 [ 391.778607] fallback_alloc+0x204/0x2e0 [ 391.782602] ____cache_alloc_node+0x1c7/0x1e0 [ 391.787108] kmem_cache_alloc_node+0xe3/0x730 [ 391.791609] ? ipv6_get_ifaddr+0x42e/0x620 [ 391.795858] __alloc_skb+0x119/0x770 [ 391.799576] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 391.804861] ? netdev_alloc_frag+0x1f0/0x1f0 [ 391.809287] ? lock_downgrade+0x900/0x900 [ 391.813451] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.818990] ? refcount_sub_and_test_checked+0x203/0x310 [ 391.824452] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 391.829901] ? addrconf_rs_timer+0x690/0x690 [ 391.834338] ndisc_alloc_skb+0x144/0x340 [ 391.838412] ndisc_send_rs+0x331/0x6e0 [ 391.842311] addrconf_rs_timer+0x314/0x690 [ 391.846557] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 391.850804] call_timer_fn+0x272/0x920 [ 391.854706] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 391.858940] ? process_timeout+0x40/0x40 [ 391.863008] ? __run_timers+0x7da/0xc70 [ 391.866992] ? _raw_spin_unlock_irq+0x27/0x80 [ 391.871493] ? _raw_spin_unlock_irq+0x27/0x80 [ 391.875986] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 391.880227] ? lockdep_hardirqs_on+0x296/0x5b0 [ 391.884819] ? trace_hardirqs_on+0xbd/0x310 [ 391.889141] ? kasan_check_read+0x11/0x20 [ 391.893287] ? __run_timers+0x7da/0xc70 [ 391.897283] ? trace_hardirqs_off_caller+0x310/0x310 [ 391.902394] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 391.906634] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 391.910872] __run_timers+0x7e5/0xc70 [ 391.914685] ? timer_fixup_init+0x70/0x70 [ 391.918838] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 391.923858] ? zap_class+0x640/0x640 [ 391.927578] ? enqueue_hrtimer+0x1a5/0x560 [ 391.931828] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 391.937037] ? find_held_lock+0x36/0x1c0 [ 391.941108] ? zap_class+0x640/0x640 [ 391.944827] ? pvclock_read_flags+0x160/0x160 [ 391.949329] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.954880] ? check_preemption_disabled+0x48/0x280 [ 391.959923] ? __lock_is_held+0xb5/0x140 [ 391.963986] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.969559] ? check_preemption_disabled+0x48/0x280 [ 391.974584] run_timer_softirq+0x52/0xb0 [ 391.978649] ? rcu_read_lock_sched_held+0x14f/0x180 [ 391.983678] __do_softirq+0x308/0xb7e [ 391.987479] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 391.992010] ? lock_downgrade+0x900/0x900 [ 391.996177] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 392.001289] ? pvclock_read_flags+0x160/0x160 [ 392.005804] ? lapic_next_event+0x5a/0x90 [ 392.009956] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.015534] ? kvm_clock_read+0x18/0x30 [ 392.019514] ? kvm_sched_clock_read+0x9/0x20 [ 392.023928] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.029470] ? check_preemption_disabled+0x48/0x280 [ 392.034499] irq_exit+0x17f/0x1c0 [ 392.037972] smp_apic_timer_interrupt+0x1cb/0x760 [ 392.042829] ? smp_reschedule_interrupt+0x109/0x650 [ 392.047850] ? smp_call_function_single_interrupt+0x650/0x650 [ 392.053752] ? interrupt_entry+0xb5/0xc0 [ 392.057817] ? trace_hardirqs_off_caller+0xbb/0x310 [ 392.062831] ? trace_hardirqs_off_caller+0xbb/0x310 [ 392.067850] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 392.072695] ? trace_hardirqs_on_caller+0x310/0x310 [ 392.077714] ? trace_hardirqs_on_caller+0x310/0x310 [ 392.082742] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 392.087592] apic_timer_interrupt+0xf/0x20 [ 392.091823] [ 392.094063] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 392.098996] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7 [ 392.117899] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 392.125606] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 392.132873] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286 [ 392.140142] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000 [ 392.147407] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 392.154705] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020 [ 392.162012] skb_clone+0x1bb/0x500 [ 392.165570] ? finish_task_switch+0x2f4/0x910 [ 392.170072] ? skb_split+0x11e0/0x11e0 [ 392.173961] ? preempt_notifier_register+0x200/0x200 [ 392.179089] ? __switch_to_asm+0x34/0x70 [ 392.183151] ? __switch_to_asm+0x34/0x70 [ 392.187226] ? __switch_to_asm+0x40/0x70 [ 392.191284] ? __switch_to_asm+0x34/0x70 [ 392.195341] ? __switch_to_asm+0x40/0x70 [ 392.199399] ? __switch_to_asm+0x34/0x70 [ 392.203458] ? __switch_to_asm+0x40/0x70 [ 392.207516] ? __switch_to_asm+0x34/0x70 [ 392.211608] ? __switch_to_asm+0x34/0x70 [ 392.215670] ? __switch_to_asm+0x40/0x70 [ 392.219727] ? __switch_to_asm+0x34/0x70 [ 392.223798] bpf_clone_redirect+0xb9/0x490 [ 392.228061] ? __schedule+0x8d7/0x21d0 [ 392.231954] bpf_prog_bebbfe2050753572+0x1d8/0x1000 [ 392.236973] ? __sched_text_start+0x8/0x8 [ 392.241126] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 392.245725] ? retint_kernel+0x2d/0x2d [ 392.249616] ? trace_hardirqs_on_caller+0xc0/0x310 [ 392.254594] ? find_held_lock+0x36/0x1c0 [ 392.258678] ? lock_acquire+0x1ed/0x520 [ 392.262652] ? bpf_test_run+0x3cb/0x780 [ 392.266628] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.272168] ? check_preemption_disabled+0x48/0x280 [ 392.277191] ? kasan_check_read+0x11/0x20 [ 392.281343] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 392.286665] ? rcu_softirq_qs+0x20/0x20 [ 392.290647] ? preempt_schedule+0x4d/0x60 [ 392.294801] ? ___preempt_schedule+0x16/0x18 [ 392.299233] ? bpf_test_run+0x25d/0x780 [ 392.303225] ? netlink_diag_dump+0x2a0/0x2a0 [ 392.307670] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.313226] ? bpf_test_init.isra.10+0x70/0x100 [ 392.317902] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 392.322671] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 392.327516] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 392.333058] ? fput+0x130/0x1a0 [ 392.336340] ? __bpf_prog_get+0x9b/0x290 [ 392.340408] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 392.345265] ? bpf_prog_test_run+0x130/0x1a0 [ 392.349678] ? __x64_sys_bpf+0x3d8/0x520 [ 392.353758] ? bpf_prog_get+0x20/0x20 [ 392.357587] ? do_syscall_64+0x1b9/0x820 [ 392.361662] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 392.367038] ? syscall_return_slowpath+0x5e0/0x5e0 [ 392.371970] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 392.376815] ? trace_hardirqs_on_caller+0x310/0x310 [ 392.381859] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 392.386894] ? prepare_exit_to_usermode+0x291/0x3b0 [ 392.391915] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 392.396782] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 392.402160] warn_alloc_show_mem: 1 callbacks suppressed [ 392.402171] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145 [ 392.402173] Mem-Info: [ 392.402204] active_anon:51179 inactive_anon:236 isolated_anon:0 [ 392.402204] active_file:17 inactive_file:9 isolated_file:0 [ 392.402204] unevictable:0 dirty:0 writeback:0 unstable:0 [ 392.402204] slab_reclaimable:9362 slab_unreclaimable:1467319 [ 392.402204] mapped:16386 shmem:283 pagetables:457 bounce:0 [ 392.402204] free:13694 free_pcp:258 free_cma:0 [ 392.407538] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 392.414567] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 392.416966] Call Trace: [ 392.449744] 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 [ 392.459130] [ 392.486609] lowmem_reserve[]: 0 2818 6321 6321 [ 392.489189] dump_stack+0x244/0x39d [ 392.515290] Node 0 DMA32 free:24972kB 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:0kB local_pcp:0kB free_cma:0kB [ 392.517441] ? dump_stack_print_info.cold.1+0x20/0x20 [ 392.521999] lowmem_reserve[]: 0 0 3503 3503 [ 392.525636] warn_alloc.cold.116+0xb7/0x1bd [ 392.552842] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB [ 392.558034] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 392.562328] lowmem_reserve[]: 0 0 0 0 [ 392.566647] ? lock_downgrade+0x900/0x900 [ 392.595593] 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 [ 392.600433] ? trace_hardirqs_off+0xb8/0x310 [ 392.604207] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB [ 392.608362] ? trace_hardirqs_off+0xb8/0x310 [ 392.622009] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB [ 392.626454] __alloc_pages_slowpath+0x26e8/0x2e10 [ 392.641606] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 392.646054] ? warn_alloc+0x120/0x120 [ 392.660229] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 392.665064] ? print_usage_bug+0xc0/0xc0 [ 392.673877] 309 total pagecache pages [ 392.677668] ? warn_alloc+0x120/0x120 [ 392.686226] 0 pages in swap cache [ 392.690281] ? warn_alloc+0x120/0x120 [ 392.694071] Swap cache stats: add 0, delete 0, find 0/0 [ 392.697859] ? print_usage_bug+0xc0/0xc0 [ 392.701304] Free swap = 0kB [ 392.705099] ? kvm_clock_read+0x18/0x30 [ 392.710460] Total swap = 0kB [ 392.714517] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 392.717520] 1965979 pages RAM [ 392.721514] ? print_usage_bug+0xc0/0xc0 [ 392.724505] 0 pages HighMem/MovableOnly [ 392.729513] ? __lock_acquire+0x62f/0x4c20 [ 392.732593] 342853 pages reserved [ 392.736646] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.740592] 0 pages cma reserved [ 392.744918] ? should_fail+0x22d/0xd01 [ 392.748413] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 392.753880] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 392.753896] ? __lock_acquire+0x62f/0x4c20 [ 392.753914] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 392.757454] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 392.761144] ? __lock_acquire+0x62f/0x4c20 [ 392.767611] syz-executor2 cpuset=syz2 mems_allowed=0 [ 392.772721] ? should_fail+0x22d/0xd01 [ 392.805786] ? mark_held_locks+0x130/0x130 [ 392.810051] ? mark_held_locks+0x130/0x130 [ 392.814294] ? mark_held_locks+0xc7/0x130 [ 392.818474] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 392.823503] ? zap_class+0x640/0x640 [ 392.827218] ? print_usage_bug+0xc0/0xc0 [ 392.831288] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.836830] ? check_preemption_disabled+0x48/0x280 [ 392.841906] ? __lock_is_held+0xb5/0x140 [ 392.845993] __alloc_pages_nodemask+0xa80/0xde0 [ 392.850688] ? zap_class+0x640/0x640 [ 392.854422] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 392.859460] ? find_held_lock+0x36/0x1c0 [ 392.863527] ? ____cache_alloc_node+0x1c7/0x1e0 [ 392.868195] ? lock_downgrade+0x900/0x900 [ 392.872351] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.877893] cache_grow_begin+0xa5/0x8c0 [ 392.881955] ? do_raw_spin_unlock+0xa7/0x330 [ 392.886374] fallback_alloc+0x204/0x2e0 [ 392.890372] ____cache_alloc_node+0x1c7/0x1e0 [ 392.894883] kmem_cache_alloc_node+0xe3/0x730 [ 392.899386] ? ipv6_get_ifaddr+0x42e/0x620 [ 392.903637] __alloc_skb+0x119/0x770 [ 392.907367] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 392.912671] ? netdev_alloc_frag+0x1f0/0x1f0 [ 392.917078] ? lock_downgrade+0x900/0x900 [ 392.921232] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.926785] ? refcount_sub_and_test_checked+0x203/0x310 [ 392.932242] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 392.937710] ? addrconf_rs_timer+0x690/0x690 [ 392.942136] ndisc_alloc_skb+0x144/0x340 [ 392.946205] ndisc_send_rs+0x331/0x6e0 [ 392.950115] addrconf_rs_timer+0x314/0x690 [ 392.954359] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 392.958622] call_timer_fn+0x272/0x920 [ 392.962509] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 392.966744] ? process_timeout+0x40/0x40 [ 392.970832] ? mark_held_locks+0xc7/0x130 [ 392.974993] ? _raw_spin_unlock_irq+0x27/0x80 [ 392.979512] ? _raw_spin_unlock_irq+0x27/0x80 [ 392.984005] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 392.988271] ? lockdep_hardirqs_on+0x296/0x5b0 [ 392.992852] ? trace_hardirqs_on+0xbd/0x310 [ 392.997176] ? kasan_check_read+0x11/0x20 [ 393.001322] ? __run_timers+0x7da/0xc70 [ 393.005300] ? trace_hardirqs_off_caller+0x310/0x310 [ 393.010416] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.014650] __run_timers+0x7e5/0xc70 [ 393.018460] ? timer_fixup_init+0x70/0x70 [ 393.022615] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 393.027632] ? zap_class+0x640/0x640 [ 393.031351] ? print_usage_bug+0xc0/0xc0 [ 393.035416] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 393.040617] ? find_held_lock+0x36/0x1c0 [ 393.044688] ? zap_class+0x640/0x640 [ 393.048410] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.053948] ? check_preemption_disabled+0x48/0x280 [ 393.058975] ? __lock_is_held+0xb5/0x140 [ 393.063047] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.068583] ? check_preemption_disabled+0x48/0x280 [ 393.073608] run_timer_softirq+0x52/0xb0 [ 393.077673] ? rcu_read_lock_sched_held+0x14f/0x180 [ 393.082690] __do_softirq+0x308/0xb7e [ 393.086496] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 393.090994] ? lock_downgrade+0x900/0x900 [ 393.095158] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 393.100279] ? pvclock_read_flags+0x160/0x160 [ 393.104791] ? lapic_next_event+0x5a/0x90 [ 393.108942] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.114495] ? kvm_clock_read+0x18/0x30 [ 393.118472] ? kvm_sched_clock_read+0x9/0x20 [ 393.122886] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.128425] ? check_preemption_disabled+0x48/0x280 [ 393.133451] irq_exit+0x17f/0x1c0 [ 393.136906] smp_apic_timer_interrupt+0x1cb/0x760 [ 393.141759] ? smp_reschedule_interrupt+0x109/0x650 [ 393.146776] ? smp_call_function_single_interrupt+0x650/0x650 [ 393.152677] ? interrupt_entry+0xb5/0xc0 [ 393.156761] ? trace_hardirqs_off_caller+0xbb/0x310 [ 393.161777] ? trace_hardirqs_off_caller+0xbb/0x310 [ 393.166793] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 393.171636] ? trace_hardirqs_on_caller+0x310/0x310 [ 393.176650] ? trace_hardirqs_on_caller+0x310/0x310 [ 393.181664] ? task_prio+0x50/0x50 [ 393.185203] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.190739] ? check_preemption_disabled+0x48/0x280 [ 393.195761] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 393.200610] apic_timer_interrupt+0xf/0x20 [ 393.204837] [ 393.207078] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 393.212268] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 393.231184] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 393.238920] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e [ 393.246191] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc [ 393.253488] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 393.260751] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000 [ 393.268014] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 393.275324] retint_kernel+0x1b/0x2d [ 393.279050] RIP: 0010:dump_stack+0x358/0x39d [ 393.283457] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 393.302358] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 393.310078] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e [ 393.317343] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 393.324610] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 393.331877] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45 [ 393.339150] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 393.346438] ? dump_stack+0x34f/0x39d [ 393.350255] ? dump_stack_print_info.cold.1+0x20/0x20 [ 393.355489] ? mark_held_locks+0x130/0x130 [ 393.359741] ? mark_held_locks+0x130/0x130 [ 393.363996] dump_header+0x27b/0xf72 [ 393.367724] ? pagefault_out_of_memory+0x197/0x197 [ 393.372694] ? __lock_acquire+0x62f/0x4c20 [ 393.376931] ? percpu_ref_get_many+0x240/0x240 [ 393.381519] ? print_usage_bug+0xc0/0xc0 [ 393.385589] ? zap_class+0x640/0x640 [ 393.389305] ? print_usage_bug+0xc0/0xc0 [ 393.393367] ? print_usage_bug+0xc0/0xc0 [ 393.397459] ? zap_class+0x640/0x640 [ 393.401181] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.406724] ? find_held_lock+0x36/0x1c0 [ 393.410794] ? mark_held_locks+0xc7/0x130 [ 393.414946] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 393.420060] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 393.425174] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 393.429764] ? trace_hardirqs_on+0xbd/0x310 [ 393.434085] ? kasan_check_read+0x11/0x20 [ 393.438234] ? ___ratelimit+0x3b4/0x672 [ 393.442210] ? trace_hardirqs_off_caller+0x310/0x310 [ 393.447315] ? trace_hardirqs_on+0x310/0x310 [ 393.451724] ? lock_downgrade+0x900/0x900 [ 393.455877] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 393.460990] ? ___ratelimit+0x3b9/0x672 [ 393.464974] ? idr_get_free+0xf70/0xf70 [ 393.468954] ? find_held_lock+0x36/0x1c0 [ 393.473050] oom_kill_process.cold.27+0x10/0x903 [ 393.477819] ? zap_class+0x640/0x640 [ 393.481539] ? check_preemption_disabled+0x48/0x280 [ 393.486576] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 393.491510] ? kasan_check_read+0x11/0x20 [ 393.495658] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 393.500939] ? oom_evaluate_task+0x540/0x540 [ 393.505352] ? find_held_lock+0x36/0x1c0 [ 393.509424] ? out_of_memory+0x974/0x1430 [ 393.513579] ? lock_downgrade+0x900/0x900 [ 393.517731] ? check_preemption_disabled+0x48/0x280 [ 393.522751] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 393.527695] ? kasan_check_read+0x11/0x20 [ 393.531842] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 393.537120] ? rcu_softirq_qs+0x20/0x20 [ 393.541104] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 393.546646] ? oom_evaluate_task+0x302/0x540 [ 393.551067] out_of_memory+0xa84/0x1430 [ 393.555069] ? oom_killer_disable+0x3a0/0x3a0 [ 393.559566] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 393.564514] ? __ww_mutex_check_waiters+0x160/0x160 [ 393.569536] __alloc_pages_slowpath+0x2354/0x2e10 [ 393.574408] ? warn_alloc+0x120/0x120 [ 393.578212] ? mark_held_locks+0x130/0x130 [ 393.582455] ? find_get_entry+0xaae/0x1120 [ 393.586698] ? filemap_map_pages+0x1a20/0x1a20 [ 393.591288] ? zap_class+0x640/0x640 [ 393.595010] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.600566] ? check_preemption_disabled+0x48/0x280 [ 393.605586] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 393.611126] ? should_fail+0x22d/0xd01 [ 393.615026] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 393.620134] ? zap_class+0x640/0x640 [ 393.623878] ? __lock_is_held+0xb5/0x140 [ 393.627978] ? mark_held_locks+0x130/0x130 [ 393.632214] ? lock_release+0xa00/0xa00 [ 393.636190] ? perf_trace_sched_process_exec+0x860/0x860 [ 393.641647] ? xa_load+0x2ba/0x460 [ 393.645194] ? lock_downgrade+0x900/0x900 [ 393.649351] ? __might_sleep+0x95/0x190 [ 393.653329] __alloc_pages_nodemask+0xa80/0xde0 [ 393.658008] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 393.663055] ? __page_cache_alloc+0x191/0x5c0 [ 393.667550] ? xa_load+0x2e1/0x460 [ 393.671107] ? xa_clear_mark+0x40/0x40 [ 393.674994] ? zap_class+0x640/0x640 [ 393.678724] ? zap_class+0x640/0x640 [ 393.682439] ? zap_class+0x640/0x640 [ 393.686155] ? __do_page_cache_readahead+0x663/0x810 [ 393.691264] ? find_held_lock+0x36/0x1c0 [ 393.695332] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 393.700878] alloc_pages_current+0x173/0x350 [ 393.705295] __page_cache_alloc+0x38c/0x5c0 [ 393.709614] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 393.714540] ? kasan_check_read+0x11/0x20 [ 393.718690] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 393.723974] ? generic_perform_write+0x6a0/0x6a0 [ 393.728733] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 393.734290] ? check_preemption_disabled+0x48/0x280 [ 393.739333] filemap_fault+0x1595/0x25f0 [ 393.743410] ? __lock_page_or_retry+0xa00/0xa00 [ 393.748081] ? mark_held_locks+0x130/0x130 [ 393.752327] ? filemap_map_pages+0xd6b/0x1a20 [ 393.756842] ? lock_downgrade+0x900/0x900 [ 393.760991] ? check_preemption_disabled+0x48/0x280 [ 393.766042] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 393.771000] ? kasan_check_read+0x11/0x20 [ 393.775162] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 393.780438] ? rcu_softirq_qs+0x20/0x20 [ 393.784428] ? filemap_map_pages+0xd92/0x1a20 [ 393.788940] ? find_get_entries_tag+0x1400/0x1400 [ 393.793815] ? ep_scan_ready_list+0xbc7/0x1050 [ 393.798426] ? trace_hardirqs_off_caller+0x310/0x310 [ 393.803573] ? lock_acquire+0x1ed/0x520 [ 393.807548] ? ext4_filemap_fault+0x7a/0xad [ 393.811888] ? lock_release+0xa00/0xa00 [ 393.815858] ? perf_trace_sched_process_exec+0x860/0x860 [ 393.821309] ? print_usage_bug+0xc0/0xc0 [ 393.825371] ? print_usage_bug+0xc0/0xc0 [ 393.829442] ? down_read+0x8d/0x120 [ 393.833074] ? ext4_filemap_fault+0x7a/0xad [ 393.837399] ? __down_interruptible+0x700/0x700 [ 393.842082] ext4_filemap_fault+0x82/0xad [ 393.846235] __do_fault+0x100/0x6b0 [ 393.849864] ? pmd_devmap_trans_unstable+0x220/0x220 [ 393.854973] ? mark_held_locks+0x130/0x130 [ 393.859215] ? mark_held_locks+0x130/0x130 [ 393.863450] ? kasan_check_read+0x11/0x20 [ 393.867596] ? ep_poll+0xffa/0x13d0 [ 393.871244] ? trace_hardirqs_off_caller+0x310/0x310 [ 393.876353] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 393.881897] __handle_mm_fault+0x3ea0/0x5be0 [ 393.886305] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.891849] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 393.896696] ? do_epoll_create+0x590/0x590 [ 393.900928] ? kasan_check_read+0x11/0x20 [ 393.905073] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 393.910351] ? rcu_softirq_qs+0x20/0x20 [ 393.914342] ? zap_class+0x640/0x640 [ 393.918060] ? zap_class+0x640/0x640 [ 393.921782] ? find_held_lock+0x36/0x1c0 [ 393.925854] ? handle_mm_fault+0x42a/0xc70 [ 393.930091] ? lock_downgrade+0x900/0x900 [ 393.934240] ? check_preemption_disabled+0x48/0x280 [ 393.939275] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 393.944203] ? kasan_check_read+0x11/0x20 [ 393.948349] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 393.953628] ? rcu_softirq_qs+0x20/0x20 [ 393.957603] ? trace_hardirqs_off_caller+0x310/0x310 [ 393.962722] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 393.968261] ? check_preemption_disabled+0x48/0x280 [ 393.973298] handle_mm_fault+0x54f/0xc70 [ 393.977396] ? __handle_mm_fault+0x5be0/0x5be0 [ 393.982000] ? find_vma+0x34/0x190 [ 393.985557] __do_page_fault+0x5e8/0xe60 [ 393.989620] ? trace_hardirqs_off+0xb8/0x310 [ 393.994032] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 393.999583] do_page_fault+0xf2/0x7e0 [ 394.003385] ? vmalloc_sync_all+0x30/0x30 [ 394.007535] ? error_entry+0x70/0xd0 [ 394.011253] ? trace_hardirqs_off_caller+0xbb/0x310 [ 394.016269] ? trace_hardirqs_on_caller+0xc0/0x310 [ 394.021214] ? syscall_return_slowpath+0x5e0/0x5e0 [ 394.026161] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 394.031059] ? trace_hardirqs_on_caller+0x310/0x310 [ 394.036092] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 394.041561] ? prepare_exit_to_usermode+0x291/0x3b0 [ 394.046577] ? page_fault+0x8/0x30 [ 394.050125] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 394.054970] ? page_fault+0x8/0x30 [ 394.058509] page_fault+0x1e/0x30 [ 394.061958] RIP: 0033:0x45df89 [ 394.065159] Code: Bad RIP value. [ 394.068520] RSP: 002b:000000c42017b850 EFLAGS: 00010246 [ 394.073880] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89 [ 394.081166] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004 [ 394.088447] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500 [ 394.095716] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8 [ 394.102983] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff [ 394.110283] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145 [ 394.110362] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 394.117657] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 394.117662] Call Trace: [ 394.117668] [ 394.117686] dump_stack+0x244/0x39d [ 394.117704] ? dump_stack_print_info.cold.1+0x20/0x20 [ 394.124288] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 394.133565] warn_alloc.cold.116+0xb7/0x1bd [ 394.136118] syz-fuzzer cpuset=/ mems_allowed=0 [ 394.138261] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 394.170979] ? lock_downgrade+0x900/0x900 [ 394.175137] ? trace_hardirqs_off+0xb8/0x310 [ 394.179563] ? trace_hardirqs_off+0xb8/0x310 [ 394.183983] __alloc_pages_slowpath+0x26e8/0x2e10 [ 394.188865] ? warn_alloc+0x120/0x120 [ 394.192673] ? warn_alloc+0x120/0x120 [ 394.196483] ? warn_alloc+0x120/0x120 [ 394.200460] ? print_usage_bug+0xc0/0xc0 [ 394.204525] ? __lock_acquire+0x62f/0x4c20 [ 394.208767] ? print_usage_bug+0xc0/0xc0 [ 394.212830] ? __lock_acquire+0x62f/0x4c20 [ 394.217072] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.222615] ? should_fail+0x22d/0xd01 [ 394.226503] ? __lock_acquire+0x62f/0x4c20 [ 394.230736] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 394.235845] ? __lock_acquire+0x62f/0x4c20 [ 394.240109] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 394.245212] ? __lock_acquire+0x62f/0x4c20 [ 394.249442] ? should_fail+0x22d/0xd01 [ 394.253338] ? mark_held_locks+0x130/0x130 [ 394.257593] ? mark_held_locks+0x130/0x130 [ 394.261845] ? try_to_wake_up+0x11c/0x1490 [ 394.266081] ? lock_downgrade+0x900/0x900 [ 394.270237] ? zap_class+0x640/0x640 [ 394.273953] ? print_usage_bug+0xc0/0xc0 [ 394.278012] ? trace_hardirqs_off+0xb8/0x310 [ 394.282432] ? kasan_check_read+0x11/0x20 [ 394.286585] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.292137] ? check_preemption_disabled+0x48/0x280 [ 394.297163] ? __lock_is_held+0xb5/0x140 [ 394.301246] __alloc_pages_nodemask+0xa80/0xde0 [ 394.305914] ? zap_class+0x640/0x640 [ 394.309633] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 394.314660] ? find_held_lock+0x36/0x1c0 [ 394.318730] ? ____cache_alloc_node+0x1c7/0x1e0 [ 394.323400] ? lock_downgrade+0x900/0x900 [ 394.327591] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.333134] cache_grow_begin+0xa5/0x8c0 [ 394.337212] ? do_raw_spin_unlock+0xa7/0x330 [ 394.341628] fallback_alloc+0x204/0x2e0 [ 394.345609] ____cache_alloc_node+0x1c7/0x1e0 [ 394.350113] kmem_cache_alloc_node+0xe3/0x730 [ 394.354608] ? ipv6_get_ifaddr+0x42e/0x620 [ 394.358867] __alloc_skb+0x119/0x770 [ 394.362582] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 394.367863] ? netdev_alloc_frag+0x1f0/0x1f0 [ 394.372273] ? lock_downgrade+0x900/0x900 [ 394.376426] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.381963] ? refcount_sub_and_test_checked+0x203/0x310 [ 394.387431] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 394.392882] ? addrconf_rs_timer+0x690/0x690 [ 394.397306] ndisc_alloc_skb+0x144/0x340 [ 394.401376] ndisc_send_rs+0x331/0x6e0 [ 394.405269] addrconf_rs_timer+0x314/0x690 [ 394.409527] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 394.413806] call_timer_fn+0x272/0x920 [ 394.417708] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 394.421958] ? process_timeout+0x40/0x40 [ 394.426037] ? __run_timers+0x7da/0xc70 [ 394.430047] ? _raw_spin_unlock_irq+0x27/0x80 [ 394.434561] ? _raw_spin_unlock_irq+0x27/0x80 [ 394.439074] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 394.443309] ? lockdep_hardirqs_on+0x296/0x5b0 [ 394.447895] ? trace_hardirqs_on+0xbd/0x310 [ 394.452247] ? kasan_check_read+0x11/0x20 [ 394.456390] ? __run_timers+0x7da/0xc70 [ 394.460363] ? trace_hardirqs_off_caller+0x310/0x310 [ 394.465485] ? __queue_work+0x1440/0x1440 [ 394.469653] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 394.473884] __run_timers+0x7e5/0xc70 [ 394.477710] ? timer_fixup_init+0x70/0x70 [ 394.481856] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 394.486886] ? zap_class+0x640/0x640 [ 394.490610] ? enqueue_hrtimer+0x1a5/0x560 [ 394.494857] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 394.500076] ? find_held_lock+0x36/0x1c0 [ 394.504143] ? zap_class+0x640/0x640 [ 394.507905] ? pvclock_read_flags+0x160/0x160 [ 394.512403] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.517946] ? check_preemption_disabled+0x48/0x280 [ 394.522992] ? __lock_is_held+0xb5/0x140 [ 394.527073] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.532613] ? check_preemption_disabled+0x48/0x280 [ 394.537644] run_timer_softirq+0x52/0xb0 [ 394.541706] ? rcu_read_lock_sched_held+0x14f/0x180 [ 394.546723] __do_softirq+0x308/0xb7e [ 394.550529] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 394.555072] ? lock_downgrade+0x900/0x900 [ 394.559259] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 394.564383] ? pvclock_read_flags+0x160/0x160 [ 394.568883] ? lapic_next_event+0x5a/0x90 [ 394.573055] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.578645] ? kvm_clock_read+0x18/0x30 [ 394.582624] ? kvm_sched_clock_read+0x9/0x20 [ 394.587044] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.592584] ? check_preemption_disabled+0x48/0x280 [ 394.597614] irq_exit+0x17f/0x1c0 [ 394.601087] smp_apic_timer_interrupt+0x1cb/0x760 [ 394.605944] ? smp_reschedule_interrupt+0x109/0x650 [ 394.611111] ? smp_call_function_single_interrupt+0x650/0x650 [ 394.617012] ? interrupt_entry+0xb5/0xc0 [ 394.621112] ? trace_hardirqs_off_caller+0xbb/0x310 [ 394.626126] ? trace_hardirqs_off_caller+0xbb/0x310 [ 394.631160] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 394.636004] ? trace_hardirqs_on_caller+0x310/0x310 [ 394.641039] ? trace_hardirqs_on_caller+0x310/0x310 [ 394.646070] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 394.650927] apic_timer_interrupt+0xf/0x20 [ 394.655158] [ 394.657399] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 394.662345] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7 [ 394.681242] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 394.688951] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 394.696217] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286 [ 394.703484] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000 [ 394.710749] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 394.718024] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020 [ 394.725339] skb_clone+0x1bb/0x500 [ 394.728899] ? finish_task_switch+0x2f4/0x910 [ 394.733397] ? skb_split+0x11e0/0x11e0 [ 394.737301] ? preempt_notifier_register+0x200/0x200 [ 394.742884] ? __switch_to_asm+0x34/0x70 [ 394.746946] ? __switch_to_asm+0x34/0x70 [ 394.751025] ? __switch_to_asm+0x40/0x70 [ 394.755082] ? __switch_to_asm+0x34/0x70 [ 394.759141] ? __switch_to_asm+0x40/0x70 [ 394.763199] ? __switch_to_asm+0x34/0x70 [ 394.767259] ? __switch_to_asm+0x40/0x70 [ 394.771317] ? __switch_to_asm+0x34/0x70 [ 394.775377] ? __switch_to_asm+0x34/0x70 [ 394.779449] ? __switch_to_asm+0x40/0x70 [ 394.783507] ? __switch_to_asm+0x34/0x70 [ 394.787579] bpf_clone_redirect+0xb9/0x490 [ 394.791820] ? __schedule+0x8d7/0x21d0 [ 394.795717] bpf_prog_bebbfe2050753572+0x1d8/0x1000 [ 394.800738] ? __sched_text_start+0x8/0x8 [ 394.804914] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 394.809496] ? retint_kernel+0x2d/0x2d [ 394.813396] ? trace_hardirqs_on_caller+0xc0/0x310 [ 394.818355] ? find_held_lock+0x36/0x1c0 [ 394.822423] ? lock_acquire+0x1ed/0x520 [ 394.826401] ? bpf_test_run+0x3cb/0x780 [ 394.830380] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.835927] ? check_preemption_disabled+0x48/0x280 [ 394.840950] ? kasan_check_read+0x11/0x20 [ 394.845103] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 394.850384] ? rcu_softirq_qs+0x20/0x20 [ 394.854361] ? preempt_schedule+0x4d/0x60 [ 394.858509] ? ___preempt_schedule+0x16/0x18 [ 394.862932] ? bpf_test_run+0x25d/0x780 [ 394.866939] ? netlink_diag_dump+0x2a0/0x2a0 [ 394.871352] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.876891] ? bpf_test_init.isra.10+0x70/0x100 [ 394.881570] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 394.886339] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 394.891213] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 394.896766] ? fput+0x130/0x1a0 [ 394.900051] ? __bpf_prog_get+0x9b/0x290 [ 394.904121] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 394.908980] ? bpf_prog_test_run+0x130/0x1a0 [ 394.913408] ? __x64_sys_bpf+0x3d8/0x520 [ 394.917473] ? bpf_prog_get+0x20/0x20 [ 394.921298] ? do_syscall_64+0x1b9/0x820 [ 394.925358] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 394.930723] ? syscall_return_slowpath+0x5e0/0x5e0 [ 394.935653] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 394.940499] ? trace_hardirqs_on_caller+0x310/0x310 [ 394.945522] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 394.950549] ? prepare_exit_to_usermode+0x291/0x3b0 [ 394.955577] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 394.960424] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 394.965820] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145 [ 394.965841] warn_alloc_show_mem: 1 callbacks suppressed [ 394.965848] Mem-Info: [ 394.972875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 394.978242] active_anon:51179 inactive_anon:236 isolated_anon:0 [ 394.978242] active_file:17 inactive_file:9 isolated_file:0 [ 394.978242] unevictable:0 dirty:0 writeback:0 unstable:0 [ 394.978242] slab_reclaimable:9362 slab_unreclaimable:1467319 [ 394.978242] mapped:16386 shmem:283 pagetables:457 bounce:0 [ 394.978242] free:13694 free_pcp:258 free_cma:0 [ 394.980613] Call Trace: [ 394.990086] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 395.022897] [ 395.025471] 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 [ 395.052964] dump_stack+0x244/0x39d [ 395.055091] lowmem_reserve[]: 0 2818 6321 6321 [ 395.081195] ? dump_stack_print_info.cold.1+0x20/0x20 [ 395.084824] Node 0 DMA32 free:24972kB 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:0kB local_pcp:0kB free_cma:0kB [ 395.089420] warn_alloc.cold.116+0xb7/0x1bd [ 395.094574] lowmem_reserve[]: 0 0 3503 3503 [ 395.121720] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 395.126024] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB [ 395.130346] ? lock_downgrade+0x900/0x900 [ 395.135164] lowmem_reserve[]: 0 0 0 0 [ 395.164165] ? trace_hardirqs_off+0xb8/0x310 [ 395.168282] 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 [ 395.172089] ? trace_hardirqs_off+0xb8/0x310 [ 395.176476] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB [ 395.189997] __alloc_pages_slowpath+0x26e8/0x2e10 [ 395.194376] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB [ 395.209564] ? warn_alloc+0x120/0x120 [ 395.214422] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 395.228643] ? print_usage_bug+0xc0/0xc0 [ 395.232424] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 395.241249] ? warn_alloc+0x120/0x120 [ 395.245285] 309 total pagecache pages [ 395.253856] ? warn_alloc+0x120/0x120 [ 395.257633] 0 pages in swap cache [ 395.261439] ? print_usage_bug+0xc0/0xc0 [ 395.265235] Swap cache stats: add 0, delete 0, find 0/0 [ 395.268681] ? kvm_clock_read+0x18/0x30 [ 395.272719] Free swap = 0kB [ 395.278079] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 395.282034] Total swap = 0kB [ 395.285055] ? print_usage_bug+0xc0/0xc0 [ 395.290045] 1965979 pages RAM [ 395.290054] 0 pages HighMem/MovableOnly [ 395.293092] ? __lock_acquire+0x62f/0x4c20 [ 395.297129] 342853 pages reserved [ 395.300244] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 395.304194] 0 pages cma reserved [ 395.308439] ? should_fail+0x22d/0xd01 [ 395.311934] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 395.317392] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 395.317410] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 395.317426] ? __lock_acquire+0x62f/0x4c20 [ 395.317445] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 395.320863] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 395.324702] ? __lock_acquire+0x62f/0x4c20 [ 395.331173] syz-executor2 cpuset=syz2 mems_allowed=0 [ 395.336441] ? should_fail+0x22d/0xd01 [ 395.374519] ? rcu_irq_exit+0x1a2/0x390 [ 395.378508] ? mark_held_locks+0x130/0x130 [ 395.382754] ? mark_held_locks+0x130/0x130 [ 395.387030] ? mark_held_locks+0xc7/0x130 [ 395.391184] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 395.396207] ? zap_class+0x640/0x640 [ 395.399924] ? print_usage_bug+0xc0/0xc0 [ 395.403991] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.409536] ? check_preemption_disabled+0x48/0x280 [ 395.414575] ? __lock_is_held+0xb5/0x140 [ 395.418673] __alloc_pages_nodemask+0xa80/0xde0 [ 395.423342] ? zap_class+0x640/0x640 [ 395.427076] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 395.432121] ? find_held_lock+0x36/0x1c0 [ 395.436200] ? ____cache_alloc_node+0x1c7/0x1e0 [ 395.440871] ? lock_downgrade+0x900/0x900 [ 395.445035] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.450586] cache_grow_begin+0xa5/0x8c0 [ 395.454745] ? do_raw_spin_unlock+0xa7/0x330 [ 395.459163] fallback_alloc+0x204/0x2e0 [ 395.463144] ____cache_alloc_node+0x1c7/0x1e0 [ 395.467651] kmem_cache_alloc_node+0xe3/0x730 [ 395.472163] ? ipv6_get_ifaddr+0x42e/0x620 [ 395.476445] __alloc_skb+0x119/0x770 [ 395.480160] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 395.485443] ? netdev_alloc_frag+0x1f0/0x1f0 [ 395.489854] ? lock_downgrade+0x900/0x900 [ 395.494035] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.499614] ? refcount_sub_and_test_checked+0x203/0x310 [ 395.505074] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 395.510604] ? addrconf_rs_timer+0x690/0x690 [ 395.515035] ndisc_alloc_skb+0x144/0x340 [ 395.519113] ndisc_send_rs+0x331/0x6e0 [ 395.523005] addrconf_rs_timer+0x314/0x690 [ 395.527259] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.531514] call_timer_fn+0x272/0x920 [ 395.535432] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.539687] ? process_timeout+0x40/0x40 [ 395.543772] ? mark_held_locks+0xc7/0x130 [ 395.547922] ? _raw_spin_unlock_irq+0x27/0x80 [ 395.552421] ? _raw_spin_unlock_irq+0x27/0x80 [ 395.556916] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.561157] ? lockdep_hardirqs_on+0x296/0x5b0 [ 395.565742] ? trace_hardirqs_on+0xbd/0x310 [ 395.570080] ? kasan_check_read+0x11/0x20 [ 395.574231] ? __run_timers+0x7da/0xc70 [ 395.578227] ? trace_hardirqs_off_caller+0x310/0x310 [ 395.583338] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.587613] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.591847] __run_timers+0x7e5/0xc70 [ 395.595661] ? timer_fixup_init+0x70/0x70 [ 395.599811] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 395.604830] ? zap_class+0x640/0x640 [ 395.608549] ? print_usage_bug+0xc0/0xc0 [ 395.612614] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 395.617811] ? find_held_lock+0x36/0x1c0 [ 395.621878] ? zap_class+0x640/0x640 [ 395.625596] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.631141] ? check_preemption_disabled+0x48/0x280 [ 395.636171] ? __lock_is_held+0xb5/0x140 [ 395.640234] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.645775] ? check_preemption_disabled+0x48/0x280 [ 395.650807] run_timer_softirq+0x52/0xb0 [ 395.654880] ? rcu_read_lock_sched_held+0x14f/0x180 [ 395.659912] __do_softirq+0x308/0xb7e [ 395.663731] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 395.668241] ? lock_downgrade+0x900/0x900 [ 395.672407] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 395.677521] ? pvclock_read_flags+0x160/0x160 [ 395.682024] ? lapic_next_event+0x5a/0x90 [ 395.686194] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.691738] ? kvm_clock_read+0x18/0x30 [ 395.695712] ? kvm_sched_clock_read+0x9/0x20 [ 395.700123] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.705663] ? check_preemption_disabled+0x48/0x280 [ 395.710690] irq_exit+0x17f/0x1c0 [ 395.714145] smp_apic_timer_interrupt+0x1cb/0x760 [ 395.718999] ? smp_reschedule_interrupt+0x109/0x650 [ 395.724056] ? smp_call_function_single_interrupt+0x650/0x650 [ 395.729942] ? interrupt_entry+0xb5/0xc0 [ 395.734004] ? trace_hardirqs_off_caller+0xbb/0x310 [ 395.739059] ? trace_hardirqs_off_caller+0xbb/0x310 [ 395.744078] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 395.748922] ? trace_hardirqs_on_caller+0x310/0x310 [ 395.753939] ? trace_hardirqs_on_caller+0x310/0x310 [ 395.758959] ? task_prio+0x50/0x50 [ 395.762505] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.768055] ? check_preemption_disabled+0x48/0x280 [ 395.773095] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 395.777945] apic_timer_interrupt+0xf/0x20 [ 395.782172] [ 395.784416] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 395.789635] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 395.808536] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 395.816246] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e [ 395.823517] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc [ 395.830782] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 395.838077] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000 [ 395.845375] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 395.852685] retint_kernel+0x1b/0x2d [ 395.856403] RIP: 0010:dump_stack+0x358/0x39d [ 395.860813] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 395.879736] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 395.887453] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e [ 395.894732] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 395.901996] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 395.909270] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45 [ 395.916541] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 395.923827] ? dump_stack+0x34f/0x39d [ 395.927644] ? dump_stack_print_info.cold.1+0x20/0x20 [ 395.932875] ? mark_held_locks+0x130/0x130 [ 395.937110] ? mark_held_locks+0x130/0x130 [ 395.941351] dump_header+0x27b/0xf72 [ 395.945081] ? pagefault_out_of_memory+0x197/0x197 [ 395.950028] ? __lock_acquire+0x62f/0x4c20 [ 395.954297] ? percpu_ref_get_many+0x240/0x240 [ 395.958880] ? print_usage_bug+0xc0/0xc0 [ 395.962947] ? zap_class+0x640/0x640 [ 395.966666] ? print_usage_bug+0xc0/0xc0 [ 395.970723] ? print_usage_bug+0xc0/0xc0 [ 395.974800] ? zap_class+0x640/0x640 [ 395.978519] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.984065] ? find_held_lock+0x36/0x1c0 [ 395.988150] ? mark_held_locks+0xc7/0x130 [ 395.992310] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 395.997417] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 396.002525] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 396.007109] ? trace_hardirqs_on+0xbd/0x310 [ 396.011429] ? kasan_check_read+0x11/0x20 [ 396.015575] ? ___ratelimit+0x3b4/0x672 [ 396.019546] ? trace_hardirqs_off_caller+0x310/0x310 [ 396.024681] ? trace_hardirqs_on+0x310/0x310 [ 396.029089] ? lock_downgrade+0x900/0x900 [ 396.033241] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 396.038354] ? ___ratelimit+0x3b9/0x672 [ 396.042330] ? idr_get_free+0xf70/0xf70 [ 396.046318] ? find_held_lock+0x36/0x1c0 [ 396.050391] oom_kill_process.cold.27+0x10/0x903 [ 396.055146] ? zap_class+0x640/0x640 [ 396.058862] ? check_preemption_disabled+0x48/0x280 [ 396.063885] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 396.069382] ? kasan_check_read+0x11/0x20 [ 396.073556] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 396.078836] ? oom_evaluate_task+0x540/0x540 [ 396.083249] ? find_held_lock+0x36/0x1c0 [ 396.087319] ? out_of_memory+0x974/0x1430 [ 396.091508] ? lock_downgrade+0x900/0x900 [ 396.096003] ? check_preemption_disabled+0x48/0x280 [ 396.101062] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 396.106010] ? kasan_check_read+0x11/0x20 [ 396.110181] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 396.115457] ? rcu_softirq_qs+0x20/0x20 [ 396.119436] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 396.124973] ? oom_evaluate_task+0x302/0x540 [ 396.129386] out_of_memory+0xa84/0x1430 [ 396.133370] ? oom_killer_disable+0x3a0/0x3a0 [ 396.137869] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 396.142808] ? __ww_mutex_check_waiters+0x160/0x160 [ 396.147832] __alloc_pages_slowpath+0x2354/0x2e10 [ 396.152701] ? warn_alloc+0x120/0x120 [ 396.156539] ? mark_held_locks+0x130/0x130 [ 396.160779] ? find_get_entry+0xaae/0x1120 [ 396.165049] ? filemap_map_pages+0x1a20/0x1a20 [ 396.169638] ? zap_class+0x640/0x640 [ 396.173358] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.178903] ? check_preemption_disabled+0x48/0x280 [ 396.183934] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 396.189471] ? should_fail+0x22d/0xd01 [ 396.193384] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 396.198502] ? zap_class+0x640/0x640 [ 396.202244] ? __lock_is_held+0xb5/0x140 [ 396.206312] ? mark_held_locks+0x130/0x130 [ 396.210583] ? lock_release+0xa00/0xa00 [ 396.214573] ? perf_trace_sched_process_exec+0x860/0x860 [ 396.220029] ? xa_load+0x2ba/0x460 [ 396.223574] ? lock_downgrade+0x900/0x900 [ 396.227743] ? __might_sleep+0x95/0x190 [ 396.231727] __alloc_pages_nodemask+0xa80/0xde0 [ 396.236405] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 396.241454] ? __page_cache_alloc+0x191/0x5c0 [ 396.246004] ? xa_load+0x2e1/0x460 [ 396.249560] ? xa_clear_mark+0x40/0x40 [ 396.253453] ? zap_class+0x640/0x640 [ 396.257179] ? zap_class+0x640/0x640 [ 396.260893] ? zap_class+0x640/0x640 [ 396.264607] ? __do_page_cache_readahead+0x663/0x810 [ 396.269718] ? find_held_lock+0x36/0x1c0 [ 396.273786] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 396.279330] alloc_pages_current+0x173/0x350 [ 396.283747] __page_cache_alloc+0x38c/0x5c0 [ 396.288098] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 396.293033] ? kasan_check_read+0x11/0x20 [ 396.297186] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 396.302466] ? generic_perform_write+0x6a0/0x6a0 [ 396.307224] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 396.312766] ? check_preemption_disabled+0x48/0x280 [ 396.317796] filemap_fault+0x1595/0x25f0 [ 396.321872] ? __lock_page_or_retry+0xa00/0xa00 [ 396.326549] ? mark_held_locks+0x130/0x130 [ 396.330796] ? filemap_map_pages+0xd6b/0x1a20 [ 396.335292] ? lock_downgrade+0x900/0x900 [ 396.339438] ? check_preemption_disabled+0x48/0x280 [ 396.344461] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 396.349400] ? kasan_check_read+0x11/0x20 [ 396.353549] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 396.358828] ? rcu_softirq_qs+0x20/0x20 [ 396.362823] ? filemap_map_pages+0xd92/0x1a20 [ 396.367335] ? find_get_entries_tag+0x1400/0x1400 [ 396.372192] ? ep_scan_ready_list+0xbc7/0x1050 [ 396.376774] ? trace_hardirqs_off_caller+0x310/0x310 [ 396.381900] ? lock_acquire+0x1ed/0x520 [ 396.385888] ? ext4_filemap_fault+0x7a/0xad [ 396.390233] ? lock_release+0xa00/0xa00 [ 396.394209] ? perf_trace_sched_process_exec+0x860/0x860 [ 396.399661] ? print_usage_bug+0xc0/0xc0 [ 396.403725] ? print_usage_bug+0xc0/0xc0 [ 396.407805] ? down_read+0x8d/0x120 [ 396.411448] ? ext4_filemap_fault+0x7a/0xad [ 396.415769] ? __down_interruptible+0x700/0x700 [ 396.420447] ext4_filemap_fault+0x82/0xad [ 396.424596] __do_fault+0x100/0x6b0 [ 396.428242] ? pmd_devmap_trans_unstable+0x220/0x220 [ 396.433350] ? mark_held_locks+0x130/0x130 [ 396.446439] ? mark_held_locks+0x130/0x130 [ 396.450702] ? kasan_check_read+0x11/0x20 [ 396.454854] ? ep_poll+0xffa/0x13d0 [ 396.458482] ? trace_hardirqs_off_caller+0x310/0x310 [ 396.463591] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 396.469148] __handle_mm_fault+0x3ea0/0x5be0 [ 396.473569] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.479144] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 396.483995] ? do_epoll_create+0x590/0x590 [ 396.488235] ? kasan_check_read+0x11/0x20 [ 396.492382] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 396.497676] ? rcu_softirq_qs+0x20/0x20 [ 396.501681] ? zap_class+0x640/0x640 [ 396.505409] ? zap_class+0x640/0x640 [ 396.509130] ? find_held_lock+0x36/0x1c0 [ 396.513200] ? handle_mm_fault+0x42a/0xc70 [ 396.517438] ? lock_downgrade+0x900/0x900 [ 396.521590] ? check_preemption_disabled+0x48/0x280 [ 396.526609] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 396.531581] ? kasan_check_read+0x11/0x20 [ 396.535733] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 396.541035] ? rcu_softirq_qs+0x20/0x20 [ 396.545026] ? trace_hardirqs_off_caller+0x310/0x310 [ 396.550135] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 396.555675] ? check_preemption_disabled+0x48/0x280 [ 396.560710] handle_mm_fault+0x54f/0xc70 [ 396.564776] ? __handle_mm_fault+0x5be0/0x5be0 [ 396.569363] ? find_vma+0x34/0x190 [ 396.572927] __do_page_fault+0x5e8/0xe60 [ 396.576989] ? trace_hardirqs_off+0xb8/0x310 [ 396.581400] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 396.586984] do_page_fault+0xf2/0x7e0 [ 396.590796] ? vmalloc_sync_all+0x30/0x30 [ 396.594947] ? error_entry+0x70/0xd0 [ 396.598662] ? trace_hardirqs_off_caller+0xbb/0x310 [ 396.603680] ? trace_hardirqs_on_caller+0xc0/0x310 [ 396.608645] ? syscall_return_slowpath+0x5e0/0x5e0 [ 396.614051] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 396.618909] ? trace_hardirqs_on_caller+0x310/0x310 [ 396.623922] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 396.629375] ? prepare_exit_to_usermode+0x291/0x3b0 [ 396.634423] ? page_fault+0x8/0x30 [ 396.637978] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 396.642884] ? page_fault+0x8/0x30 [ 396.646422] page_fault+0x1e/0x30 [ 396.649877] RIP: 0033:0x45df89 [ 396.653080] Code: Bad RIP value. [ 396.656443] RSP: 002b:000000c42017b850 EFLAGS: 00010246 [ 396.661805] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89 [ 396.669071] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004 [ 396.676357] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500 [ 396.683641] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8 [ 396.690929] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff [ 396.698223] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145 [ 396.698288] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 396.705586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 396.705591] Call Trace: [ 396.705597] [ 396.705614] dump_stack+0x244/0x39d [ 396.705632] ? dump_stack_print_info.cold.1+0x20/0x20 [ 396.712191] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 396.721483] warn_alloc.cold.116+0xb7/0x1bd [ 396.724058] syz-fuzzer cpuset=/ mems_allowed=0 [ 396.726206] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 396.759517] ? lock_downgrade+0x900/0x900 [ 396.763676] ? trace_hardirqs_off+0xb8/0x310 [ 396.768102] ? trace_hardirqs_off+0xb8/0x310 [ 396.772518] __alloc_pages_slowpath+0x26e8/0x2e10 [ 396.777390] ? warn_alloc+0x120/0x120 [ 396.781195] ? print_usage_bug+0xc0/0xc0 [ 396.785258] ? warn_alloc+0x120/0x120 [ 396.789066] ? warn_alloc+0x120/0x120 [ 396.792881] ? print_usage_bug+0xc0/0xc0 [ 396.796951] ? print_usage_bug+0xc0/0xc0 [ 396.801038] ? __lock_acquire+0x62f/0x4c20 [ 396.805281] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 396.810816] ? should_fail+0x22d/0xd01 [ 396.814724] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 396.819827] ? __lock_acquire+0x62f/0x4c20 [ 396.824068] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 396.829171] ? __lock_acquire+0x62f/0x4c20 [ 396.833405] ? should_fail+0x22d/0xd01 [ 396.837293] ? find_held_lock+0x36/0x1c0 [ 396.841377] ? mark_held_locks+0x130/0x130 [ 396.845616] ? mark_held_locks+0x130/0x130 [ 396.849848] ? zap_class+0x640/0x640 [ 396.853582] ? zap_class+0x640/0x640 [ 396.857299] ? print_usage_bug+0xc0/0xc0 [ 396.861378] ? do_raw_spin_unlock+0xa7/0x330 [ 396.865789] ? zap_class+0x640/0x640 [ 396.869506] ? print_usage_bug+0xc0/0xc0 [ 396.873581] ? wq_watchdog_touch+0x9c/0xfe [ 396.877832] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.883371] ? check_preemption_disabled+0x48/0x280 [ 396.888398] ? __lock_is_held+0xb5/0x140 [ 396.892468] __alloc_pages_nodemask+0xa80/0xde0 [ 396.897139] ? zap_class+0x640/0x640 [ 396.900859] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 396.905887] ? find_held_lock+0x36/0x1c0 [ 396.909969] ? ____cache_alloc_node+0x1c7/0x1e0 [ 396.914643] ? lock_downgrade+0x900/0x900 [ 396.918801] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.924346] cache_grow_begin+0xa5/0x8c0 [ 396.928426] ? do_raw_spin_unlock+0xa7/0x330 [ 396.932843] fallback_alloc+0x204/0x2e0 [ 396.936824] ____cache_alloc_node+0x1c7/0x1e0 [ 396.941325] kmem_cache_alloc_node+0xe3/0x730 [ 396.945825] ? ipv6_get_ifaddr+0x42e/0x620 [ 396.950082] __alloc_skb+0x119/0x770 [ 396.953808] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 396.959104] ? netdev_alloc_frag+0x1f0/0x1f0 [ 396.963529] ? lock_downgrade+0x900/0x900 [ 396.967701] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.973241] ? refcount_sub_and_test_checked+0x203/0x310 [ 396.978706] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 396.984155] ? addrconf_rs_timer+0x690/0x690 [ 396.988580] ndisc_alloc_skb+0x144/0x340 [ 396.992648] ndisc_send_rs+0x331/0x6e0 [ 396.996546] addrconf_rs_timer+0x314/0x690 [ 397.000788] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 397.005047] call_timer_fn+0x272/0x920 [ 397.008935] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 397.013170] ? process_timeout+0x40/0x40 [ 397.017246] ? __run_timers+0x7da/0xc70 [ 397.021225] ? _raw_spin_unlock_irq+0x27/0x80 [ 397.025737] ? _raw_spin_unlock_irq+0x27/0x80 [ 397.030239] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 397.034477] ? lockdep_hardirqs_on+0x296/0x5b0 [ 397.039094] ? trace_hardirqs_on+0xbd/0x310 [ 397.043445] ? kasan_check_read+0x11/0x20 [ 397.047591] ? __run_timers+0x7da/0xc70 [ 397.051586] ? trace_hardirqs_off_caller+0x310/0x310 [ 397.056706] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 397.060963] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 397.065196] __run_timers+0x7e5/0xc70 [ 397.069009] ? timer_fixup_init+0x70/0x70 [ 397.073171] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 397.078192] ? zap_class+0x640/0x640 [ 397.081927] ? enqueue_hrtimer+0x1a5/0x560 [ 397.086165] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 397.091377] ? find_held_lock+0x36/0x1c0 [ 397.095452] ? zap_class+0x640/0x640 [ 397.099200] ? pvclock_read_flags+0x160/0x160 [ 397.103711] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.109257] ? check_preemption_disabled+0x48/0x280 [ 397.114295] ? __lock_is_held+0xb5/0x140 [ 397.118367] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.123922] ? check_preemption_disabled+0x48/0x280 [ 397.128942] run_timer_softirq+0x52/0xb0 [ 397.133001] ? rcu_read_lock_sched_held+0x14f/0x180 [ 397.138032] __do_softirq+0x308/0xb7e [ 397.141840] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 397.146335] ? lock_downgrade+0x900/0x900 [ 397.150498] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 397.155613] ? pvclock_read_flags+0x160/0x160 [ 397.160117] ? lapic_next_event+0x5a/0x90 [ 397.164266] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.169810] ? kvm_clock_read+0x18/0x30 [ 397.173785] ? kvm_sched_clock_read+0x9/0x20 [ 397.178196] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.183734] ? check_preemption_disabled+0x48/0x280 [ 397.188759] irq_exit+0x17f/0x1c0 [ 397.192214] smp_apic_timer_interrupt+0x1cb/0x760 [ 397.197056] ? smp_reschedule_interrupt+0x109/0x650 [ 397.202089] ? smp_call_function_single_interrupt+0x650/0x650 [ 397.207973] ? interrupt_entry+0xb5/0xc0 [ 397.212044] ? trace_hardirqs_off_caller+0xbb/0x310 [ 397.217063] ? trace_hardirqs_off_caller+0xbb/0x310 [ 397.222081] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 397.226959] ? trace_hardirqs_on_caller+0x310/0x310 [ 397.231974] ? trace_hardirqs_on_caller+0x310/0x310 [ 397.237036] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 397.241888] apic_timer_interrupt+0xf/0x20 [ 397.246134] [ 397.248376] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 397.253310] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7 [ 397.272211] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 397.279916] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 397.287184] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286 [ 397.294454] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000 [ 397.301739] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 397.309036] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020 [ 397.316347] skb_clone+0x1bb/0x500 [ 397.319887] ? finish_task_switch+0x2f4/0x910 [ 397.324381] ? skb_split+0x11e0/0x11e0 [ 397.328273] ? preempt_notifier_register+0x200/0x200 [ 397.333373] ? __switch_to_asm+0x34/0x70 [ 397.337434] ? __switch_to_asm+0x34/0x70 [ 397.341496] ? __switch_to_asm+0x40/0x70 [ 397.345571] ? __switch_to_asm+0x34/0x70 [ 397.349630] ? __switch_to_asm+0x40/0x70 [ 397.353691] ? __switch_to_asm+0x34/0x70 [ 397.357751] ? __switch_to_asm+0x40/0x70 [ 397.361821] ? __switch_to_asm+0x34/0x70 [ 397.365879] ? __switch_to_asm+0x34/0x70 [ 397.369977] ? __switch_to_asm+0x40/0x70 [ 397.374073] ? __switch_to_asm+0x34/0x70 [ 397.378143] bpf_clone_redirect+0xb9/0x490 [ 397.382389] ? __schedule+0x8d7/0x21d0 [ 397.386281] bpf_prog_bebbfe2050753572+0x1d8/0x1000 [ 397.391299] ? __sched_text_start+0x8/0x8 [ 397.395493] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 397.400076] ? retint_kernel+0x2d/0x2d [ 397.403963] ? trace_hardirqs_on_caller+0xc0/0x310 [ 397.408894] ? find_held_lock+0x36/0x1c0 [ 397.412966] ? lock_acquire+0x1ed/0x520 [ 397.416942] ? bpf_test_run+0x3cb/0x780 [ 397.420930] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.426471] ? check_preemption_disabled+0x48/0x280 [ 397.431508] ? kasan_check_read+0x11/0x20 [ 397.435658] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 397.440934] ? rcu_softirq_qs+0x20/0x20 [ 397.444911] ? preempt_schedule+0x4d/0x60 [ 397.449075] ? ___preempt_schedule+0x16/0x18 [ 397.453492] ? bpf_test_run+0x25d/0x780 [ 397.457485] ? netlink_diag_dump+0x2a0/0x2a0 [ 397.461901] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 397.467438] ? bpf_test_init.isra.10+0x70/0x100 [ 397.472143] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 397.476928] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 397.481772] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 397.487312] ? fput+0x130/0x1a0 [ 397.490621] ? __bpf_prog_get+0x9b/0x290 [ 397.494690] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 397.499531] ? bpf_prog_test_run+0x130/0x1a0 [ 397.503995] ? __x64_sys_bpf+0x3d8/0x520 [ 397.508079] ? bpf_prog_get+0x20/0x20 [ 397.511900] ? do_syscall_64+0x1b9/0x820 [ 397.515960] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 397.521339] ? syscall_return_slowpath+0x5e0/0x5e0 [ 397.526280] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 397.531151] ? trace_hardirqs_on_caller+0x310/0x310 [ 397.536186] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 397.541210] ? prepare_exit_to_usermode+0x291/0x3b0 [ 397.546245] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 397.551094] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 397.556479] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145 [ 397.556485] warn_alloc_show_mem: 1 callbacks suppressed [ 397.556492] Mem-Info: [ 397.563519] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 397.568888] active_anon:51179 inactive_anon:236 isolated_anon:0 [ 397.568888] active_file:17 inactive_file:9 isolated_file:0 [ 397.568888] unevictable:0 dirty:0 writeback:0 unstable:0 [ 397.568888] slab_reclaimable:9362 slab_unreclaimable:1467319 [ 397.568888] mapped:16386 shmem:283 pagetables:457 bounce:0 [ 397.568888] free:13694 free_pcp:258 free_cma:0 [ 397.571259] Call Trace: [ 397.580662] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 397.613416] [ 397.615991] 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 [ 397.643491] dump_stack+0x244/0x39d [ 397.645617] lowmem_reserve[]: 0 2818 6321 6321 [ 397.671754] ? dump_stack_print_info.cold.1+0x20/0x20 [ 397.675361] Node 0 DMA32 free:24972kB 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:0kB local_pcp:0kB free_cma:0kB [ 397.679957] warn_alloc.cold.116+0xb7/0x1bd [ 397.685127] lowmem_reserve[]: 0 0 3503 3503 [ 397.712299] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 397.716609] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB [ 397.720923] ? lock_downgrade+0x900/0x900 [ 397.725739] lowmem_reserve[]: 0 0 0 0 [ 397.754722] ? trace_hardirqs_off+0xb8/0x310 [ 397.758848] 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 [ 397.762643] ? trace_hardirqs_off+0xb8/0x310 [ 397.767030] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB [ 397.780555] __alloc_pages_slowpath+0x26e8/0x2e10 [ 397.784958] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB [ 397.800146] ? warn_alloc+0x120/0x120 [ 397.804947] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 397.819155] ? warn_alloc+0x120/0x120 [ 397.822934] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 397.831755] ? warn_alloc+0x120/0x120 [ 397.835532] 309 total pagecache pages [ 397.844117] ? print_usage_bug+0xc0/0xc0 [ 397.847899] 0 pages in swap cache [ 397.851686] ? print_usage_bug+0xc0/0xc0 [ 397.855723] Swap cache stats: add 0, delete 0, find 0/0 [ 397.859195] ? print_usage_bug+0xc0/0xc0 [ 397.863234] Free swap = 0kB [ 397.868588] ? __lock_is_held+0xb5/0x140 [ 397.872639] Total swap = 0kB [ 397.875653] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 397.879691] 1965979 pages RAM [ 397.882719] ? should_fail+0x22d/0xd01 [ 397.888233] 0 pages HighMem/MovableOnly [ 397.891331] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.895196] 342853 pages reserved [ 397.899166] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 397.904681] 0 pages cma reserved [ 397.908125] ? __lock_acquire+0x62f/0x4c20 [ 397.913266] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 397.916562] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 397.920853] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 397.927283] ? __lock_acquire+0x62f/0x4c20 [ 397.932360] syz-executor2 cpuset=syz2 mems_allowed=0 [ 397.942864] ? should_fail+0x22d/0xd01 [ 397.956058] ? __lock_acquire+0x62f/0x4c20 [ 397.960318] ? mark_held_locks+0x130/0x130 [ 397.964572] ? mark_held_locks+0x130/0x130 [ 397.968810] ? mark_held_locks+0x130/0x130 [ 397.973070] ? nohz_balance_enter_idle+0x6c0/0x6c0 [ 397.978024] ? zap_class+0x640/0x640 [ 397.981742] ? print_usage_bug+0xc0/0xc0 [ 397.985810] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.991352] ? check_preemption_disabled+0x48/0x280 [ 397.996376] ? __lock_is_held+0xb5/0x140 [ 398.000441] __alloc_pages_nodemask+0xa80/0xde0 [ 398.005110] ? zap_class+0x640/0x640 [ 398.008827] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 398.013853] ? find_held_lock+0x36/0x1c0 [ 398.017924] ? ____cache_alloc_node+0x1c7/0x1e0 [ 398.022592] ? lock_downgrade+0x900/0x900 [ 398.026749] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.032298] cache_grow_begin+0xa5/0x8c0 [ 398.036359] ? do_raw_spin_unlock+0xa7/0x330 [ 398.040776] fallback_alloc+0x204/0x2e0 [ 398.044776] ____cache_alloc_node+0x1c7/0x1e0 [ 398.049278] kmem_cache_alloc_node+0xe3/0x730 [ 398.053777] ? ipv6_get_ifaddr+0x42e/0x620 [ 398.058032] __alloc_skb+0x119/0x770 [ 398.061753] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 398.067072] ? netdev_alloc_frag+0x1f0/0x1f0 [ 398.071481] ? lock_downgrade+0x900/0x900 [ 398.075636] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.081173] ? refcount_sub_and_test_checked+0x203/0x310 [ 398.086628] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 398.092078] ? addrconf_rs_timer+0x690/0x690 [ 398.096499] ndisc_alloc_skb+0x144/0x340 [ 398.100564] ndisc_send_rs+0x331/0x6e0 [ 398.104456] addrconf_rs_timer+0x314/0x690 [ 398.108696] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 398.112954] call_timer_fn+0x272/0x920 [ 398.116841] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 398.121077] ? process_timeout+0x40/0x40 [ 398.125148] ? mark_held_locks+0xc7/0x130 [ 398.129298] ? _raw_spin_unlock_irq+0x27/0x80 [ 398.133810] ? _raw_spin_unlock_irq+0x27/0x80 [ 398.138322] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 398.142559] ? lockdep_hardirqs_on+0x296/0x5b0 [ 398.147159] ? trace_hardirqs_on+0xbd/0x310 [ 398.151483] ? kasan_check_read+0x11/0x20 [ 398.155628] ? __run_timers+0x7da/0xc70 [ 398.159603] ? trace_hardirqs_off_caller+0x310/0x310 [ 398.164717] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 398.168957] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 398.173192] __run_timers+0x7e5/0xc70 [ 398.177060] ? timer_fixup_init+0x70/0x70 [ 398.181217] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 398.186236] ? zap_class+0x640/0x640 [ 398.189960] ? print_usage_bug+0xc0/0xc0 [ 398.194034] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 398.199256] ? find_held_lock+0x36/0x1c0 [ 398.203322] ? zap_class+0x640/0x640 [ 398.207059] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.212605] ? check_preemption_disabled+0x48/0x280 [ 398.217635] ? __lock_is_held+0xb5/0x140 [ 398.221702] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.227243] ? check_preemption_disabled+0x48/0x280 [ 398.232265] run_timer_softirq+0x52/0xb0 [ 398.236332] ? rcu_read_lock_sched_held+0x14f/0x180 [ 398.241352] __do_softirq+0x308/0xb7e [ 398.245160] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 398.249681] ? lock_downgrade+0x900/0x900 [ 398.253837] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 398.258954] ? pvclock_read_flags+0x160/0x160 [ 398.263456] ? lapic_next_event+0x5a/0x90 [ 398.267610] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.273158] ? kvm_clock_read+0x18/0x30 [ 398.277136] ? kvm_sched_clock_read+0x9/0x20 [ 398.281548] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.287089] ? check_preemption_disabled+0x48/0x280 [ 398.292117] irq_exit+0x17f/0x1c0 [ 398.295584] smp_apic_timer_interrupt+0x1cb/0x760 [ 398.300424] ? smp_reschedule_interrupt+0x109/0x650 [ 398.305445] ? smp_call_function_single_interrupt+0x650/0x650 [ 398.311360] ? interrupt_entry+0xb5/0xc0 [ 398.315426] ? trace_hardirqs_off_caller+0xbb/0x310 [ 398.320443] ? trace_hardirqs_off_caller+0xbb/0x310 [ 398.325459] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 398.330321] ? trace_hardirqs_on_caller+0x310/0x310 [ 398.335340] ? trace_hardirqs_on_caller+0x310/0x310 [ 398.340356] ? task_prio+0x50/0x50 [ 398.343902] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.349456] ? check_preemption_disabled+0x48/0x280 [ 398.354527] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 398.359392] apic_timer_interrupt+0xf/0x20 [ 398.363619] [ 398.365874] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 398.371067] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 398.389994] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 398.397713] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e [ 398.404990] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc [ 398.412261] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 398.419570] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000 [ 398.426837] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 398.434140] retint_kernel+0x1b/0x2d [ 398.437901] RIP: 0010:dump_stack+0x358/0x39d [ 398.442322] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 398.461221] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 398.468928] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e [ 398.476196] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 398.483461] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 398.490730] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45 [ 398.498023] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 398.505314] ? dump_stack+0x34f/0x39d [ 398.509129] ? dump_stack_print_info.cold.1+0x20/0x20 [ 398.514326] ? mark_held_locks+0x130/0x130 [ 398.518570] ? mark_held_locks+0x130/0x130 [ 398.522829] dump_header+0x27b/0xf72 [ 398.526586] ? pagefault_out_of_memory+0x197/0x197 [ 398.531548] ? __lock_acquire+0x62f/0x4c20 [ 398.535788] ? percpu_ref_get_many+0x240/0x240 [ 398.540381] ? print_usage_bug+0xc0/0xc0 [ 398.544459] ? zap_class+0x640/0x640 [ 398.548178] ? print_usage_bug+0xc0/0xc0 [ 398.552243] ? print_usage_bug+0xc0/0xc0 [ 398.556310] ? zap_class+0x640/0x640 [ 398.560036] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.565584] ? find_held_lock+0x36/0x1c0 [ 398.569660] ? mark_held_locks+0xc7/0x130 [ 398.573810] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 398.578931] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 398.584046] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 398.588661] ? trace_hardirqs_on+0xbd/0x310 [ 398.592981] ? kasan_check_read+0x11/0x20 [ 398.597131] ? ___ratelimit+0x3b4/0x672 [ 398.601117] ? trace_hardirqs_off_caller+0x310/0x310 [ 398.606223] ? trace_hardirqs_on+0x310/0x310 [ 398.611120] ? lock_downgrade+0x900/0x900 [ 398.615292] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 398.620397] ? ___ratelimit+0x3b9/0x672 [ 398.624396] ? idr_get_free+0xf70/0xf70 [ 398.628369] ? find_held_lock+0x36/0x1c0 [ 398.632443] oom_kill_process.cold.27+0x10/0x903 [ 398.637207] ? zap_class+0x640/0x640 [ 398.640925] ? check_preemption_disabled+0x48/0x280 [ 398.645963] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 398.650894] ? kasan_check_read+0x11/0x20 [ 398.655067] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 398.660348] ? oom_evaluate_task+0x540/0x540 [ 398.664761] ? find_held_lock+0x36/0x1c0 [ 398.668845] ? out_of_memory+0x974/0x1430 [ 398.672994] ? lock_downgrade+0x900/0x900 [ 398.677152] ? check_preemption_disabled+0x48/0x280 [ 398.682174] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 398.687108] ? kasan_check_read+0x11/0x20 [ 398.691257] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 398.696553] ? rcu_softirq_qs+0x20/0x20 [ 398.700580] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 398.706119] ? oom_evaluate_task+0x302/0x540 [ 398.710560] out_of_memory+0xa84/0x1430 [ 398.714585] ? oom_killer_disable+0x3a0/0x3a0 [ 398.719100] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 398.724049] ? __ww_mutex_check_waiters+0x160/0x160 [ 398.729111] __alloc_pages_slowpath+0x2354/0x2e10 [ 398.733988] ? warn_alloc+0x120/0x120 [ 398.737812] ? mark_held_locks+0x130/0x130 [ 398.742220] ? find_get_entry+0xaae/0x1120 [ 398.746487] ? filemap_map_pages+0x1a20/0x1a20 [ 398.751083] ? zap_class+0x640/0x640 [ 398.754803] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.760347] ? check_preemption_disabled+0x48/0x280 [ 398.765382] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 398.770924] ? should_fail+0x22d/0xd01 [ 398.774821] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 398.779940] ? zap_class+0x640/0x640 [ 398.783685] ? __lock_is_held+0xb5/0x140 [ 398.787760] ? mark_held_locks+0x130/0x130 [ 398.792010] ? lock_release+0xa00/0xa00 [ 398.796013] ? perf_trace_sched_process_exec+0x860/0x860 [ 398.801530] ? xa_load+0x2ba/0x460 [ 398.805074] ? lock_downgrade+0x900/0x900 [ 398.809246] ? __might_sleep+0x95/0x190 [ 398.813236] __alloc_pages_nodemask+0xa80/0xde0 [ 398.817910] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 398.822927] ? __page_cache_alloc+0x191/0x5c0 [ 398.827444] ? xa_load+0x2e1/0x460 [ 398.831058] ? xa_clear_mark+0x40/0x40 [ 398.834953] ? zap_class+0x640/0x640 [ 398.838680] ? zap_class+0x640/0x640 [ 398.842411] ? zap_class+0x640/0x640 [ 398.846132] ? __do_page_cache_readahead+0x663/0x810 [ 398.851878] ? find_held_lock+0x36/0x1c0 [ 398.855967] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 398.861524] alloc_pages_current+0x173/0x350 [ 398.865942] __page_cache_alloc+0x38c/0x5c0 [ 398.870263] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 398.875197] ? kasan_check_read+0x11/0x20 [ 398.879348] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 398.884641] ? generic_perform_write+0x6a0/0x6a0 [ 398.889409] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 398.894952] ? check_preemption_disabled+0x48/0x280 [ 398.899993] filemap_fault+0x1595/0x25f0 [ 398.904081] ? __lock_page_or_retry+0xa00/0xa00 [ 398.908753] ? mark_held_locks+0x130/0x130 [ 398.913092] ? filemap_map_pages+0xd6b/0x1a20 [ 398.917593] ? lock_downgrade+0x900/0x900 [ 398.921745] ? check_preemption_disabled+0x48/0x280 [ 398.926768] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 398.931697] ? kasan_check_read+0x11/0x20 [ 398.935854] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 398.941134] ? rcu_softirq_qs+0x20/0x20 [ 398.945123] ? filemap_map_pages+0xd92/0x1a20 [ 398.949674] ? find_get_entries_tag+0x1400/0x1400 [ 398.954549] ? ep_scan_ready_list+0xbc7/0x1050 [ 398.959132] ? trace_hardirqs_off_caller+0x310/0x310 [ 398.964250] ? lock_acquire+0x1ed/0x520 [ 398.968223] ? ext4_filemap_fault+0x7a/0xad [ 398.972581] ? lock_release+0xa00/0xa00 [ 398.976570] ? perf_trace_sched_process_exec+0x860/0x860 [ 398.982033] ? print_usage_bug+0xc0/0xc0 [ 398.986132] ? print_usage_bug+0xc0/0xc0 [ 398.990204] ? down_read+0x8d/0x120 [ 398.993830] ? ext4_filemap_fault+0x7a/0xad [ 398.998151] ? __down_interruptible+0x700/0x700 [ 399.002828] ext4_filemap_fault+0x82/0xad [ 399.006980] __do_fault+0x100/0x6b0 [ 399.010612] ? pmd_devmap_trans_unstable+0x220/0x220 [ 399.015721] ? mark_held_locks+0x130/0x130 [ 399.019989] ? mark_held_locks+0x130/0x130 [ 399.024243] ? kasan_check_read+0x11/0x20 [ 399.028394] ? ep_poll+0xffa/0x13d0 [ 399.032033] ? trace_hardirqs_off_caller+0x310/0x310 [ 399.037149] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 399.042694] __handle_mm_fault+0x3ea0/0x5be0 [ 399.047107] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.052669] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 399.057530] ? do_epoll_create+0x590/0x590 [ 399.061795] ? kasan_check_read+0x11/0x20 [ 399.065943] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 399.071219] ? rcu_softirq_qs+0x20/0x20 [ 399.075231] ? zap_class+0x640/0x640 [ 399.078986] ? zap_class+0x640/0x640 [ 399.082733] ? find_held_lock+0x36/0x1c0 [ 399.086808] ? handle_mm_fault+0x42a/0xc70 [ 399.091069] ? lock_downgrade+0x900/0x900 [ 399.095225] ? check_preemption_disabled+0x48/0x280 [ 399.100245] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 399.105184] ? kasan_check_read+0x11/0x20 [ 399.109334] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 399.114615] ? rcu_softirq_qs+0x20/0x20 [ 399.118591] ? trace_hardirqs_off_caller+0x310/0x310 [ 399.123695] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 399.129239] ? check_preemption_disabled+0x48/0x280 [ 399.134267] handle_mm_fault+0x54f/0xc70 [ 399.138334] ? __handle_mm_fault+0x5be0/0x5be0 [ 399.142924] ? find_vma+0x34/0x190 [ 399.146485] __do_page_fault+0x5e8/0xe60 [ 399.150546] ? trace_hardirqs_off+0xb8/0x310 [ 399.154953] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 399.160518] do_page_fault+0xf2/0x7e0 [ 399.164328] ? vmalloc_sync_all+0x30/0x30 [ 399.168493] ? error_entry+0x70/0xd0 [ 399.172206] ? trace_hardirqs_off_caller+0xbb/0x310 [ 399.177224] ? trace_hardirqs_on_caller+0xc0/0x310 [ 399.182156] ? syscall_return_slowpath+0x5e0/0x5e0 [ 399.187088] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 399.191933] ? trace_hardirqs_on_caller+0x310/0x310 [ 399.196948] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 399.202449] ? prepare_exit_to_usermode+0x291/0x3b0 [ 399.207463] ? page_fault+0x8/0x30 [ 399.211043] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 399.215888] ? page_fault+0x8/0x30 [ 399.219427] page_fault+0x1e/0x30 [ 399.222994] RIP: 0033:0x45df89 [ 399.226201] Code: Bad RIP value. [ 399.229561] RSP: 002b:000000c42017b850 EFLAGS: 00010246 [ 399.234927] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89 [ 399.242229] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004 [ 399.249498] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500 [ 399.256763] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8 [ 399.264032] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff [ 399.271334] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145 [ 399.271417] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 399.278700] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 399.278705] Call Trace: [ 399.278711] [ 399.278729] dump_stack+0x244/0x39d [ 399.278749] ? dump_stack_print_info.cold.1+0x20/0x20 [ 399.285325] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 399.294598] warn_alloc.cold.116+0xb7/0x1bd [ 399.297161] syz-fuzzer cpuset=/ mems_allowed=0 [ 399.299308] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 399.332031] ? lock_downgrade+0x900/0x900 [ 399.336204] ? trace_hardirqs_off+0xb8/0x310 [ 399.340620] ? trace_hardirqs_off+0xb8/0x310 [ 399.345045] __alloc_pages_slowpath+0x26e8/0x2e10 [ 399.349920] ? warn_alloc+0x120/0x120 [ 399.353725] ? print_usage_bug+0xc0/0xc0 [ 399.357792] ? warn_alloc+0x120/0x120 [ 399.361601] ? warn_alloc+0x120/0x120 [ 399.365403] ? print_usage_bug+0xc0/0xc0 [ 399.369475] ? print_usage_bug+0xc0/0xc0 [ 399.373574] ? __lock_acquire+0x62f/0x4c20 [ 399.377830] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 399.383368] ? should_fail+0x22d/0xd01 [ 399.387260] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 399.392362] ? __lock_acquire+0x62f/0x4c20 [ 399.396624] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 399.401740] ? __lock_acquire+0x62f/0x4c20 [ 399.405975] ? should_fail+0x22d/0xd01 [ 399.409888] ? find_held_lock+0x36/0x1c0 [ 399.413958] ? mark_held_locks+0x130/0x130 [ 399.418204] ? mark_held_locks+0x130/0x130 [ 399.422440] ? zap_class+0x640/0x640 [ 399.426159] ? zap_class+0x640/0x640 [ 399.429877] ? print_usage_bug+0xc0/0xc0 [ 399.433937] ? do_raw_spin_unlock+0xa7/0x330 [ 399.438384] ? zap_class+0x640/0x640 [ 399.442101] ? print_usage_bug+0xc0/0xc0 [ 399.446171] ? wq_watchdog_touch+0x9c/0xfe [ 399.450418] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.455965] ? check_preemption_disabled+0x48/0x280 [ 399.461003] ? __lock_is_held+0xb5/0x140 [ 399.465088] __alloc_pages_nodemask+0xa80/0xde0 [ 399.469768] ? zap_class+0x640/0x640 [ 399.473503] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 399.478556] ? find_held_lock+0x36/0x1c0 [ 399.482630] ? ____cache_alloc_node+0x1c7/0x1e0 [ 399.487301] ? lock_downgrade+0x900/0x900 [ 399.491502] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.497067] cache_grow_begin+0xa5/0x8c0 [ 399.501126] ? do_raw_spin_unlock+0xa7/0x330 [ 399.505559] fallback_alloc+0x204/0x2e0 [ 399.509545] ____cache_alloc_node+0x1c7/0x1e0 [ 399.514054] kmem_cache_alloc_node+0xe3/0x730 [ 399.518556] ? ipv6_get_ifaddr+0x42e/0x620 [ 399.522803] __alloc_skb+0x119/0x770 [ 399.526519] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 399.531819] ? netdev_alloc_frag+0x1f0/0x1f0 [ 399.536230] ? lock_downgrade+0x900/0x900 [ 399.540385] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.545922] ? refcount_sub_and_test_checked+0x203/0x310 [ 399.551391] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 399.556842] ? addrconf_rs_timer+0x690/0x690 [ 399.561268] ndisc_alloc_skb+0x144/0x340 [ 399.565335] ndisc_send_rs+0x331/0x6e0 [ 399.569227] addrconf_rs_timer+0x314/0x690 [ 399.573509] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.577760] call_timer_fn+0x272/0x920 [ 399.581648] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.585880] ? process_timeout+0x40/0x40 [ 399.589949] ? __run_timers+0x7da/0xc70 [ 399.593930] ? _raw_spin_unlock_irq+0x27/0x80 [ 399.598485] ? _raw_spin_unlock_irq+0x27/0x80 [ 399.602979] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.607242] ? lockdep_hardirqs_on+0x296/0x5b0 [ 399.611858] ? trace_hardirqs_on+0xbd/0x310 [ 399.616208] ? kasan_check_read+0x11/0x20 [ 399.620370] ? __run_timers+0x7da/0xc70 [ 399.624345] ? trace_hardirqs_off_caller+0x310/0x310 [ 399.629450] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.633692] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.637929] __run_timers+0x7e5/0xc70 [ 399.641784] ? timer_fixup_init+0x70/0x70 [ 399.645937] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 399.650953] ? zap_class+0x640/0x640 [ 399.654672] ? enqueue_hrtimer+0x1a5/0x560 [ 399.658927] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 399.664138] ? find_held_lock+0x36/0x1c0 [ 399.668216] ? zap_class+0x640/0x640 [ 399.671933] ? pvclock_read_flags+0x160/0x160 [ 399.676452] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.681999] ? check_preemption_disabled+0x48/0x280 [ 399.687043] ? __lock_is_held+0xb5/0x140 [ 399.691111] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.696655] ? check_preemption_disabled+0x48/0x280 [ 399.701676] run_timer_softirq+0x52/0xb0 [ 399.705742] ? rcu_read_lock_sched_held+0x14f/0x180 [ 399.710761] __do_softirq+0x308/0xb7e [ 399.714585] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 399.719084] ? lock_downgrade+0x900/0x900 [ 399.723239] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 399.728352] ? pvclock_read_flags+0x160/0x160 [ 399.732852] ? lapic_next_event+0x5a/0x90 [ 399.737005] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.742582] ? kvm_clock_read+0x18/0x30 [ 399.746567] ? kvm_sched_clock_read+0x9/0x20 [ 399.750978] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.756519] ? check_preemption_disabled+0x48/0x280 [ 399.761561] irq_exit+0x17f/0x1c0 [ 399.765027] smp_apic_timer_interrupt+0x1cb/0x760 [ 399.769872] ? smp_reschedule_interrupt+0x109/0x650 [ 399.774892] ? smp_call_function_single_interrupt+0x650/0x650 [ 399.780800] ? interrupt_entry+0xb5/0xc0 [ 399.784869] ? trace_hardirqs_off_caller+0xbb/0x310 [ 399.789887] ? trace_hardirqs_off_caller+0xbb/0x310 [ 399.794907] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 399.799754] ? trace_hardirqs_on_caller+0x310/0x310 [ 399.804769] ? trace_hardirqs_on_caller+0x310/0x310 [ 399.809797] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 399.814652] apic_timer_interrupt+0xf/0x20 [ 399.818879] [ 399.821122] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 399.826071] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7 [ 399.844971] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 399.852679] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 399.859948] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286 [ 399.867228] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000 [ 399.874492] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 399.881756] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020 [ 399.889072] skb_clone+0x1bb/0x500 [ 399.892618] ? finish_task_switch+0x2f4/0x910 [ 399.897117] ? skb_split+0x11e0/0x11e0 [ 399.901007] ? preempt_notifier_register+0x200/0x200 [ 399.906117] ? __switch_to_asm+0x34/0x70 [ 399.910207] ? __switch_to_asm+0x34/0x70 [ 399.914271] ? __switch_to_asm+0x40/0x70 [ 399.918351] ? __switch_to_asm+0x34/0x70 [ 399.922410] ? __switch_to_asm+0x40/0x70 [ 399.926484] ? __switch_to_asm+0x34/0x70 [ 399.930544] ? __switch_to_asm+0x40/0x70 [ 399.934614] ? __switch_to_asm+0x34/0x70 [ 399.938671] ? __switch_to_asm+0x34/0x70 [ 399.942729] ? __switch_to_asm+0x40/0x70 [ 399.946786] ? __switch_to_asm+0x34/0x70 [ 399.950851] bpf_clone_redirect+0xb9/0x490 [ 399.955092] ? __schedule+0x8d7/0x21d0 [ 399.958987] bpf_prog_bebbfe2050753572+0x1d8/0x1000 [ 399.964034] ? __sched_text_start+0x8/0x8 [ 399.968193] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 399.972801] ? retint_kernel+0x2d/0x2d [ 399.976692] ? trace_hardirqs_on_caller+0xc0/0x310 [ 399.981639] ? find_held_lock+0x36/0x1c0 [ 399.985722] ? lock_acquire+0x1ed/0x520 [ 399.989707] ? bpf_test_run+0x3cb/0x780 [ 399.993682] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.999226] ? check_preemption_disabled+0x48/0x280 [ 400.004267] ? kasan_check_read+0x11/0x20 [ 400.008417] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 400.013696] ? rcu_softirq_qs+0x20/0x20 [ 400.017670] ? preempt_schedule+0x4d/0x60 [ 400.021822] ? ___preempt_schedule+0x16/0x18 [ 400.026250] ? bpf_test_run+0x25d/0x780 [ 400.030236] ? netlink_diag_dump+0x2a0/0x2a0 [ 400.034666] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 400.040205] ? bpf_test_init.isra.10+0x70/0x100 [ 400.044882] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 400.049650] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 400.054492] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 400.060037] ? fput+0x130/0x1a0 [ 400.063335] ? __bpf_prog_get+0x9b/0x290 [ 400.067398] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 400.072237] ? bpf_prog_test_run+0x130/0x1a0 [ 400.076652] ? __x64_sys_bpf+0x3d8/0x520 [ 400.080718] ? bpf_prog_get+0x20/0x20 [ 400.084546] ? do_syscall_64+0x1b9/0x820 [ 400.088630] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 400.093994] ? syscall_return_slowpath+0x5e0/0x5e0 [ 400.098932] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 400.103777] ? trace_hardirqs_on_caller+0x310/0x310 [ 400.108798] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 400.113830] ? prepare_exit_to_usermode+0x291/0x3b0 [ 400.118862] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 400.123727] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 400.129115] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145 [ 400.129120] warn_alloc_show_mem: 1 callbacks suppressed [ 400.129127] Mem-Info: [ 400.136141] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 400.141508] active_anon:51179 inactive_anon:236 isolated_anon:0 [ 400.141508] active_file:17 inactive_file:9 isolated_file:0 [ 400.141508] unevictable:0 dirty:0 writeback:0 unstable:0 [ 400.141508] slab_reclaimable:9362 slab_unreclaimable:1467319 [ 400.141508] mapped:16386 shmem:283 pagetables:457 bounce:0 [ 400.141508] free:13694 free_pcp:258 free_cma:0 [ 400.143884] Call Trace: [ 400.153273] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 400.186033] [ 400.188607] 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 [ 400.216104] dump_stack+0x244/0x39d [ 400.218232] lowmem_reserve[]: 0 2818 6321 6321 [ 400.244684] ? dump_stack_print_info.cold.1+0x20/0x20 [ 400.248287] Node 0 DMA32 free:24972kB 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:0kB local_pcp:0kB free_cma:0kB [ 400.252871] warn_alloc.cold.116+0xb7/0x1bd [ 400.258032] lowmem_reserve[]: 0 0 3503 3503 [ 400.285229] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 400.289543] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB [ 400.293869] ? lock_downgrade+0x900/0x900 [ 400.298684] lowmem_reserve[]: 0 0 0 0 [ 400.327653] ? trace_hardirqs_off+0xb8/0x310 [ 400.331773] 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 [ 400.335622] ? trace_hardirqs_off+0xb8/0x310 [ 400.340023] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB [ 400.353548] __alloc_pages_slowpath+0x26e8/0x2e10 [ 400.357931] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB [ 400.373118] ? warn_alloc+0x120/0x120 [ 400.377919] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 400.392123] ? print_usage_bug+0xc0/0xc0 [ 400.395905] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 400.404726] ? warn_alloc+0x120/0x120 [ 400.408778] 309 total pagecache pages [ 400.417344] ? warn_alloc+0x120/0x120 [ 400.421141] 0 pages in swap cache [ 400.424935] ? print_usage_bug+0xc0/0xc0 [ 400.428713] Swap cache stats: add 0, delete 0, find 0/0 [ 400.432159] ? kvm_clock_read+0x18/0x30 [ 400.436199] Free swap = 0kB [ 400.441574] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 400.445521] Total swap = 0kB [ 400.448531] ? print_usage_bug+0xc0/0xc0 [ 400.453528] 1965979 pages RAM [ 400.456573] ? __lock_acquire+0x62f/0x4c20 [ 400.460614] 0 pages HighMem/MovableOnly [ 400.463743] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 400.468476] 342853 pages reserved [ 400.472448] ? should_fail+0x22d/0xd01 [ 400.477963] 0 pages cma reserved [ 400.481408] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 400.485401] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 400.488687] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 400.494036] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 400.500433] ? __lock_acquire+0x62f/0x4c20 [ 400.505514] syz-executor2 cpuset=syz2 mems_allowed=0 [ 400.515992] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 400.530397] ? __lock_acquire+0x62f/0x4c20 [ 400.534634] ? should_fail+0x22d/0xd01 [ 400.538535] ? rcu_irq_exit+0x1a2/0x390 [ 400.542520] ? mark_held_locks+0x130/0x130 [ 400.546779] ? mark_held_locks+0x130/0x130 [ 400.551046] ? mark_held_locks+0xc7/0x130 [ 400.555197] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 400.560212] ? zap_class+0x640/0x640 [ 400.563925] ? print_usage_bug+0xc0/0xc0 [ 400.567991] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.573539] ? check_preemption_disabled+0x48/0x280 [ 400.578599] ? __lock_is_held+0xb5/0x140 [ 400.582670] __alloc_pages_nodemask+0xa80/0xde0 [ 400.587341] ? zap_class+0x640/0x640 [ 400.591065] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 400.596095] ? find_held_lock+0x36/0x1c0 [ 400.600168] ? ____cache_alloc_node+0x1c7/0x1e0 [ 400.604839] ? lock_downgrade+0x900/0x900 [ 400.608995] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.615024] cache_grow_begin+0xa5/0x8c0 [ 400.619108] ? do_raw_spin_unlock+0xa7/0x330 [ 400.623526] fallback_alloc+0x204/0x2e0 [ 400.627516] ____cache_alloc_node+0x1c7/0x1e0 [ 400.632059] kmem_cache_alloc_node+0xe3/0x730 [ 400.636571] ? ipv6_get_ifaddr+0x42e/0x620 [ 400.640859] __alloc_skb+0x119/0x770 [ 400.644572] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 400.649855] ? netdev_alloc_frag+0x1f0/0x1f0 [ 400.654263] ? lock_downgrade+0x900/0x900 [ 400.658420] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.663962] ? refcount_sub_and_test_checked+0x203/0x310 [ 400.669417] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 400.674921] ? addrconf_rs_timer+0x690/0x690 [ 400.679359] ndisc_alloc_skb+0x144/0x340 [ 400.683453] ndisc_send_rs+0x331/0x6e0 [ 400.687347] addrconf_rs_timer+0x314/0x690 [ 400.691601] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 400.695865] call_timer_fn+0x272/0x920 [ 400.699753] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 400.703988] ? process_timeout+0x40/0x40 [ 400.708069] ? mark_held_locks+0xc7/0x130 [ 400.712236] ? _raw_spin_unlock_irq+0x27/0x80 [ 400.716731] ? _raw_spin_unlock_irq+0x27/0x80 [ 400.721227] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 400.725462] ? lockdep_hardirqs_on+0x296/0x5b0 [ 400.730058] ? trace_hardirqs_on+0xbd/0x310 [ 400.734382] ? kasan_check_read+0x11/0x20 [ 400.738528] ? __run_timers+0x7da/0xc70 [ 400.742664] ? trace_hardirqs_off_caller+0x310/0x310 [ 400.747773] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 400.752044] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 400.756292] __run_timers+0x7e5/0xc70 [ 400.760108] ? timer_fixup_init+0x70/0x70 [ 400.764273] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 400.769310] ? zap_class+0x640/0x640 [ 400.773042] ? print_usage_bug+0xc0/0xc0 [ 400.777125] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 400.782323] ? find_held_lock+0x36/0x1c0 [ 400.786391] ? zap_class+0x640/0x640 [ 400.790114] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.795652] ? check_preemption_disabled+0x48/0x280 [ 400.800729] ? __lock_is_held+0xb5/0x140 [ 400.804798] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.810336] ? check_preemption_disabled+0x48/0x280 [ 400.815375] run_timer_softirq+0x52/0xb0 [ 400.819439] ? rcu_read_lock_sched_held+0x14f/0x180 [ 400.824460] __do_softirq+0x308/0xb7e [ 400.828279] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 400.832777] ? lock_downgrade+0x900/0x900 [ 400.836932] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 400.842053] ? pvclock_read_flags+0x160/0x160 [ 400.846567] ? lapic_next_event+0x5a/0x90 [ 400.850733] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.856280] ? kvm_clock_read+0x18/0x30 [ 400.860251] ? kvm_sched_clock_read+0x9/0x20 [ 400.864664] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.870203] ? check_preemption_disabled+0x48/0x280 [ 400.875231] irq_exit+0x17f/0x1c0 [ 400.878687] smp_apic_timer_interrupt+0x1cb/0x760 [ 400.883541] ? smp_reschedule_interrupt+0x109/0x650 [ 400.888562] ? smp_call_function_single_interrupt+0x650/0x650 [ 400.894444] ? interrupt_entry+0xb5/0xc0 [ 400.898522] ? trace_hardirqs_off_caller+0xbb/0x310 [ 400.903565] ? trace_hardirqs_off_caller+0xbb/0x310 [ 400.908584] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 400.913425] ? trace_hardirqs_on_caller+0x310/0x310 [ 400.918441] ? trace_hardirqs_on_caller+0x310/0x310 [ 400.923454] ? task_prio+0x50/0x50 [ 400.926995] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.932538] ? check_preemption_disabled+0x48/0x280 [ 400.937562] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 400.942413] apic_timer_interrupt+0xf/0x20 [ 400.946643] [ 400.948883] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 400.954102] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 400.972999] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 400.980763] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e [ 400.988041] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc [ 400.995313] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 401.002578] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000 [ 401.009856] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 401.017152] retint_kernel+0x1b/0x2d [ 401.020869] RIP: 0010:dump_stack+0x358/0x39d [ 401.025277] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 401.044175] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 401.051879] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e [ 401.059152] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 401.066438] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 401.073705] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45 [ 401.080972] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 401.088259] ? dump_stack+0x34f/0x39d [ 401.092074] ? dump_stack_print_info.cold.1+0x20/0x20 [ 401.097285] ? mark_held_locks+0x130/0x130 [ 401.101520] ? mark_held_locks+0x130/0x130 [ 401.105762] dump_header+0x27b/0xf72 [ 401.109489] ? pagefault_out_of_memory+0x197/0x197 [ 401.114442] ? __lock_acquire+0x62f/0x4c20 [ 401.118695] ? percpu_ref_get_many+0x240/0x240 [ 401.123285] ? print_usage_bug+0xc0/0xc0 [ 401.127353] ? zap_class+0x640/0x640 [ 401.131072] ? print_usage_bug+0xc0/0xc0 [ 401.135132] ? print_usage_bug+0xc0/0xc0 [ 401.139214] ? zap_class+0x640/0x640 [ 401.142933] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.148474] ? find_held_lock+0x36/0x1c0 [ 401.152549] ? mark_held_locks+0xc7/0x130 [ 401.156732] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 401.161834] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 401.166958] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 401.171542] ? trace_hardirqs_on+0xbd/0x310 [ 401.175868] ? kasan_check_read+0x11/0x20 [ 401.180027] ? ___ratelimit+0x3b4/0x672 [ 401.184031] ? trace_hardirqs_off_caller+0x310/0x310 [ 401.189144] ? trace_hardirqs_on+0x310/0x310 [ 401.193552] ? lock_downgrade+0x900/0x900 [ 401.197705] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 401.202827] ? ___ratelimit+0x3b9/0x672 [ 401.206801] ? idr_get_free+0xf70/0xf70 [ 401.210783] ? find_held_lock+0x36/0x1c0 [ 401.214855] oom_kill_process.cold.27+0x10/0x903 [ 401.219615] ? zap_class+0x640/0x640 [ 401.223341] ? check_preemption_disabled+0x48/0x280 [ 401.228365] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 401.233294] ? kasan_check_read+0x11/0x20 [ 401.237444] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 401.242722] ? oom_evaluate_task+0x540/0x540 [ 401.247154] ? find_held_lock+0x36/0x1c0 [ 401.251662] ? out_of_memory+0x974/0x1430 [ 401.255810] ? lock_downgrade+0x900/0x900 [ 401.259958] ? check_preemption_disabled+0x48/0x280 [ 401.265025] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 401.269980] ? kasan_check_read+0x11/0x20 [ 401.274135] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 401.279418] ? rcu_softirq_qs+0x20/0x20 [ 401.283402] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 401.288936] ? oom_evaluate_task+0x302/0x540 [ 401.293353] out_of_memory+0xa84/0x1430 [ 401.297337] ? oom_killer_disable+0x3a0/0x3a0 [ 401.301865] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 401.306830] ? __ww_mutex_check_waiters+0x160/0x160 [ 401.311861] __alloc_pages_slowpath+0x2354/0x2e10 [ 401.316791] ? warn_alloc+0x120/0x120 [ 401.320604] ? mark_held_locks+0x130/0x130 [ 401.324865] ? find_get_entry+0xaae/0x1120 [ 401.329112] ? filemap_map_pages+0x1a20/0x1a20 [ 401.333701] ? zap_class+0x640/0x640 [ 401.337452] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.342989] ? check_preemption_disabled+0x48/0x280 [ 401.348023] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 401.353568] ? should_fail+0x22d/0xd01 [ 401.357464] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 401.362587] ? zap_class+0x640/0x640 [ 401.366342] ? __lock_is_held+0xb5/0x140 [ 401.370412] ? mark_held_locks+0x130/0x130 [ 401.374656] ? lock_release+0xa00/0xa00 [ 401.378632] ? perf_trace_sched_process_exec+0x860/0x860 [ 401.384083] ? xa_load+0x2ba/0x460 [ 401.387627] ? lock_downgrade+0x900/0x900 [ 401.391789] ? __might_sleep+0x95/0x190 [ 401.395810] __alloc_pages_nodemask+0xa80/0xde0 [ 401.400533] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 401.405557] ? __page_cache_alloc+0x191/0x5c0 [ 401.410058] ? xa_load+0x2e1/0x460 [ 401.413602] ? xa_clear_mark+0x40/0x40 [ 401.417491] ? zap_class+0x640/0x640 [ 401.421218] ? zap_class+0x640/0x640 [ 401.424935] ? zap_class+0x640/0x640 [ 401.428681] ? __do_page_cache_readahead+0x663/0x810 [ 401.433790] ? find_held_lock+0x36/0x1c0 [ 401.437861] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 401.443406] alloc_pages_current+0x173/0x350 [ 401.447849] __page_cache_alloc+0x38c/0x5c0 [ 401.452179] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 401.457107] ? kasan_check_read+0x11/0x20 [ 401.461255] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 401.466547] ? generic_perform_write+0x6a0/0x6a0 [ 401.471307] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 401.476891] ? check_preemption_disabled+0x48/0x280 [ 401.481914] filemap_fault+0x1595/0x25f0 [ 401.485992] ? __lock_page_or_retry+0xa00/0xa00 [ 401.490713] ? mark_held_locks+0x130/0x130 [ 401.494975] ? filemap_map_pages+0xd6b/0x1a20 [ 401.499475] ? lock_downgrade+0x900/0x900 [ 401.503625] ? check_preemption_disabled+0x48/0x280 [ 401.508647] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 401.513575] ? kasan_check_read+0x11/0x20 [ 401.517721] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 401.522997] ? rcu_softirq_qs+0x20/0x20 [ 401.527008] ? filemap_map_pages+0xd92/0x1a20 [ 401.531556] ? find_get_entries_tag+0x1400/0x1400 [ 401.536429] ? ep_scan_ready_list+0xbc7/0x1050 [ 401.541021] ? trace_hardirqs_off_caller+0x310/0x310 [ 401.546148] ? lock_acquire+0x1ed/0x520 [ 401.550125] ? ext4_filemap_fault+0x7a/0xad [ 401.554455] ? lock_release+0xa00/0xa00 [ 401.558456] ? perf_trace_sched_process_exec+0x860/0x860 [ 401.563918] ? print_usage_bug+0xc0/0xc0 [ 401.567998] ? print_usage_bug+0xc0/0xc0 [ 401.572100] ? down_read+0x8d/0x120 [ 401.575736] ? ext4_filemap_fault+0x7a/0xad [ 401.580079] ? __down_interruptible+0x700/0x700 [ 401.584758] ext4_filemap_fault+0x82/0xad [ 401.588914] __do_fault+0x100/0x6b0 [ 401.592546] ? pmd_devmap_trans_unstable+0x220/0x220 [ 401.597658] ? mark_held_locks+0x130/0x130 [ 401.601910] ? mark_held_locks+0x130/0x130 [ 401.606163] ? kasan_check_read+0x11/0x20 [ 401.610312] ? ep_poll+0xffa/0x13d0 [ 401.613952] ? trace_hardirqs_off_caller+0x310/0x310 [ 401.619075] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 401.624664] __handle_mm_fault+0x3ea0/0x5be0 [ 401.629076] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.634639] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 401.639503] ? do_epoll_create+0x590/0x590 [ 401.643735] ? kasan_check_read+0x11/0x20 [ 401.647884] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 401.653171] ? rcu_softirq_qs+0x20/0x20 [ 401.657162] ? zap_class+0x640/0x640 [ 401.660909] ? zap_class+0x640/0x640 [ 401.664647] ? find_held_lock+0x36/0x1c0 [ 401.668722] ? handle_mm_fault+0x42a/0xc70 [ 401.672963] ? lock_downgrade+0x900/0x900 [ 401.677111] ? check_preemption_disabled+0x48/0x280 [ 401.682128] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 401.687060] ? kasan_check_read+0x11/0x20 [ 401.691221] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 401.696498] ? rcu_softirq_qs+0x20/0x20 [ 401.700473] ? trace_hardirqs_off_caller+0x310/0x310 [ 401.705576] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 401.711115] ? check_preemption_disabled+0x48/0x280 [ 401.716142] handle_mm_fault+0x54f/0xc70 [ 401.720224] ? __handle_mm_fault+0x5be0/0x5be0 [ 401.724814] ? find_vma+0x34/0x190 [ 401.728360] __do_page_fault+0x5e8/0xe60 [ 401.732419] ? trace_hardirqs_off+0xb8/0x310 [ 401.736837] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 401.742405] do_page_fault+0xf2/0x7e0 [ 401.746212] ? vmalloc_sync_all+0x30/0x30 [ 401.750363] ? error_entry+0x70/0xd0 [ 401.754093] ? trace_hardirqs_off_caller+0xbb/0x310 [ 401.759112] ? trace_hardirqs_on_caller+0xc0/0x310 [ 401.764054] ? syscall_return_slowpath+0x5e0/0x5e0 [ 401.768995] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 401.773880] ? trace_hardirqs_on_caller+0x310/0x310 [ 401.778898] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 401.784354] ? prepare_exit_to_usermode+0x291/0x3b0 [ 401.789375] ? page_fault+0x8/0x30 [ 401.792924] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 401.797775] ? page_fault+0x8/0x30 [ 401.801330] page_fault+0x1e/0x30 [ 401.804792] RIP: 0033:0x45df89 [ 401.807994] Code: Bad RIP value. [ 401.811365] RSP: 002b:000000c42017b850 EFLAGS: 00010246 [ 401.816726] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89 [ 401.823990] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004 [ 401.831267] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500 [ 401.838532] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8 [ 401.845801] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff [ 401.853101] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145 [ 401.853171] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 401.860462] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 401.860470] Call Trace: [ 401.867055] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 401.876288] [ 401.878861] syz-fuzzer cpuset=/ mems_allowed=0 [ 401.889082] dump_stack+0x244/0x39d [ 401.899402] ? dump_stack_print_info.cold.1+0x20/0x20 [ 401.904607] warn_alloc.cold.116+0xb7/0x1bd [ 401.908945] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 401.913792] ? lock_downgrade+0x900/0x900 [ 401.917950] ? trace_hardirqs_off+0xb8/0x310 [ 401.922368] ? trace_hardirqs_off+0xb8/0x310 [ 401.926784] __alloc_pages_slowpath+0x26e8/0x2e10 [ 401.931657] ? warn_alloc+0x120/0x120 [ 401.935466] ? print_usage_bug+0xc0/0xc0 [ 401.939532] ? warn_alloc+0x120/0x120 [ 401.943343] ? warn_alloc+0x120/0x120 [ 401.947147] ? print_usage_bug+0xc0/0xc0 [ 401.951216] ? kvm_clock_read+0x18/0x30 [ 401.955197] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 401.960230] ? print_usage_bug+0xc0/0xc0 [ 401.964312] ? __lock_acquire+0x62f/0x4c20 [ 401.968576] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 401.974132] ? should_fail+0x22d/0xd01 [ 401.978033] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 401.983318] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 401.988424] ? __lock_acquire+0x62f/0x4c20 [ 401.992677] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 401.997808] ? __lock_acquire+0x62f/0x4c20 [ 402.002064] ? should_fail+0x22d/0xd01 [ 402.005964] ? rcu_irq_exit+0x1a2/0x390 [ 402.009948] ? mark_held_locks+0x130/0x130 [ 402.014189] ? mark_held_locks+0x130/0x130 [ 402.018445] ? mark_held_locks+0xc7/0x130 [ 402.022589] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 402.027605] ? zap_class+0x640/0x640 [ 402.031319] ? print_usage_bug+0xc0/0xc0 [ 402.035387] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.040926] ? check_preemption_disabled+0x48/0x280 [ 402.045969] ? __lock_is_held+0xb5/0x140 [ 402.050044] __alloc_pages_nodemask+0xa80/0xde0 [ 402.054717] ? zap_class+0x640/0x640 [ 402.058438] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 402.063499] ? find_held_lock+0x36/0x1c0 [ 402.067577] ? ____cache_alloc_node+0x1c7/0x1e0 [ 402.072253] ? lock_downgrade+0x900/0x900 [ 402.076413] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.081957] cache_grow_begin+0xa5/0x8c0 [ 402.086043] ? do_raw_spin_unlock+0xa7/0x330 [ 402.090470] fallback_alloc+0x204/0x2e0 [ 402.094454] ____cache_alloc_node+0x1c7/0x1e0 [ 402.098956] kmem_cache_alloc_node+0xe3/0x730 [ 402.103454] ? ipv6_get_ifaddr+0x42e/0x620 [ 402.107700] __alloc_skb+0x119/0x770 [ 402.111431] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 402.116711] ? netdev_alloc_frag+0x1f0/0x1f0 [ 402.121127] ? lock_downgrade+0x900/0x900 [ 402.125283] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.130842] ? refcount_sub_and_test_checked+0x203/0x310 [ 402.136296] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 402.141771] ? addrconf_rs_timer+0x690/0x690 [ 402.146191] ndisc_alloc_skb+0x144/0x340 [ 402.150262] ndisc_send_rs+0x331/0x6e0 [ 402.154156] addrconf_rs_timer+0x314/0x690 [ 402.158426] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 402.162675] call_timer_fn+0x272/0x920 [ 402.166569] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 402.170804] ? process_timeout+0x40/0x40 [ 402.174873] ? __run_timers+0x7da/0xc70 [ 402.178849] ? _raw_spin_unlock_irq+0x27/0x80 [ 402.183343] ? _raw_spin_unlock_irq+0x27/0x80 [ 402.187837] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 402.192073] ? lockdep_hardirqs_on+0x296/0x5b0 [ 402.196673] ? trace_hardirqs_on+0xbd/0x310 [ 402.200998] ? kasan_check_read+0x11/0x20 [ 402.205155] ? __run_timers+0x7da/0xc70 [ 402.209136] ? trace_hardirqs_off_caller+0x310/0x310 [ 402.214249] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 402.218504] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 402.222762] __run_timers+0x7e5/0xc70 [ 402.226593] ? timer_fixup_init+0x70/0x70 [ 402.230750] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 402.236379] ? zap_class+0x640/0x640 [ 402.240112] ? enqueue_hrtimer+0x1a5/0x560 [ 402.244352] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 402.249559] ? find_held_lock+0x36/0x1c0 [ 402.253642] ? zap_class+0x640/0x640 [ 402.257358] ? pvclock_read_flags+0x160/0x160 [ 402.261863] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.267416] ? check_preemption_disabled+0x48/0x280 [ 402.272444] ? __lock_is_held+0xb5/0x140 [ 402.276510] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.282055] ? check_preemption_disabled+0x48/0x280 [ 402.287093] run_timer_softirq+0x52/0xb0 [ 402.291157] ? rcu_read_lock_sched_held+0x14f/0x180 [ 402.296178] __do_softirq+0x308/0xb7e [ 402.299983] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 402.304484] ? lock_downgrade+0x900/0x900 [ 402.308642] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 402.313753] ? pvclock_read_flags+0x160/0x160 [ 402.318252] ? lapic_next_event+0x5a/0x90 [ 402.322402] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.327947] ? kvm_clock_read+0x18/0x30 [ 402.331924] ? kvm_sched_clock_read+0x9/0x20 [ 402.336357] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.341896] ? check_preemption_disabled+0x48/0x280 [ 402.346928] irq_exit+0x17f/0x1c0 [ 402.350388] smp_apic_timer_interrupt+0x1cb/0x760 [ 402.355237] ? smp_reschedule_interrupt+0x109/0x650 [ 402.360283] ? smp_call_function_single_interrupt+0x650/0x650 [ 402.366169] ? interrupt_entry+0xb5/0xc0 [ 402.370233] ? trace_hardirqs_off_caller+0xbb/0x310 [ 402.375249] ? trace_hardirqs_off_caller+0xbb/0x310 [ 402.380267] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 402.385118] ? trace_hardirqs_on_caller+0x310/0x310 [ 402.390134] ? trace_hardirqs_on_caller+0x310/0x310 [ 402.395163] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 402.400024] apic_timer_interrupt+0xf/0x20 [ 402.404257] [ 402.406498] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 402.411430] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7 [ 402.430328] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 402.438040] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 402.445376] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286 [ 402.452643] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000 [ 402.459909] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 402.467177] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020 [ 402.474487] skb_clone+0x1bb/0x500 [ 402.478036] ? finish_task_switch+0x2f4/0x910 [ 402.482541] ? skb_split+0x11e0/0x11e0 [ 402.486456] ? preempt_notifier_register+0x200/0x200 [ 402.491565] ? __switch_to_asm+0x34/0x70 [ 402.495629] ? __switch_to_asm+0x34/0x70 [ 402.499688] ? __switch_to_asm+0x40/0x70 [ 402.503807] ? __switch_to_asm+0x34/0x70 [ 402.507866] ? __switch_to_asm+0x40/0x70 [ 402.512116] ? __switch_to_asm+0x34/0x70 [ 402.516179] ? __switch_to_asm+0x40/0x70 [ 402.520246] ? __switch_to_asm+0x34/0x70 [ 402.524337] ? __switch_to_asm+0x34/0x70 [ 402.528391] ? __switch_to_asm+0x40/0x70 [ 402.532450] ? __switch_to_asm+0x34/0x70 [ 402.536519] bpf_clone_redirect+0xb9/0x490 [ 402.540766] ? __schedule+0x8d7/0x21d0 [ 402.544685] bpf_prog_bebbfe2050753572+0x1d8/0x1000 [ 402.549707] ? __sched_text_start+0x8/0x8 [ 402.553863] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 402.558445] ? retint_kernel+0x2d/0x2d [ 402.562332] ? trace_hardirqs_on_caller+0xc0/0x310 [ 402.567267] ? find_held_lock+0x36/0x1c0 [ 402.571339] ? lock_acquire+0x1ed/0x520 [ 402.575314] ? bpf_test_run+0x3cb/0x780 [ 402.579293] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.584836] ? check_preemption_disabled+0x48/0x280 [ 402.589858] ? kasan_check_read+0x11/0x20 [ 402.594025] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 402.599322] ? rcu_softirq_qs+0x20/0x20 [ 402.603301] ? preempt_schedule+0x4d/0x60 [ 402.607453] ? ___preempt_schedule+0x16/0x18 [ 402.611875] ? bpf_test_run+0x25d/0x780 [ 402.615868] ? netlink_diag_dump+0x2a0/0x2a0 [ 402.620286] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 402.625823] ? bpf_test_init.isra.10+0x70/0x100 [ 402.630500] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 402.635266] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 402.640113] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 402.645656] ? fput+0x130/0x1a0 [ 402.648939] ? __bpf_prog_get+0x9b/0x290 [ 402.653008] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 402.657861] ? bpf_prog_test_run+0x130/0x1a0 [ 402.662273] ? __x64_sys_bpf+0x3d8/0x520 [ 402.666333] ? bpf_prog_get+0x20/0x20 [ 402.670156] ? do_syscall_64+0x1b9/0x820 [ 402.674217] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 402.679582] ? syscall_return_slowpath+0x5e0/0x5e0 [ 402.684517] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 402.689370] ? trace_hardirqs_on_caller+0x310/0x310 [ 402.694394] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 402.699417] ? prepare_exit_to_usermode+0x291/0x3b0 [ 402.704439] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 402.709293] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 402.714679] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145 [ 402.714684] warn_alloc_show_mem: 1 callbacks suppressed [ 402.714691] Mem-Info: [ 402.721700] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 402.727074] active_anon:51179 inactive_anon:236 isolated_anon:0 [ 402.727074] active_file:17 inactive_file:9 isolated_file:0 [ 402.727074] unevictable:0 dirty:0 writeback:0 unstable:0 [ 402.727074] slab_reclaimable:9362 slab_unreclaimable:1467319 [ 402.727074] mapped:16386 shmem:283 pagetables:457 bounce:0 [ 402.727074] free:13694 free_pcp:258 free_cma:0 [ 402.729447] Call Trace: [ 402.738836] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 402.771744] [ 402.774336] 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 [ 402.801830] dump_stack+0x244/0x39d [ 402.803972] lowmem_reserve[]: 0 2818 6321 6321 [ 402.830080] ? dump_stack_print_info.cold.1+0x20/0x20 [ 402.833683] Node 0 DMA32 free:24972kB 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:0kB local_pcp:0kB free_cma:0kB [ 402.838271] warn_alloc.cold.116+0xb7/0x1bd [ 402.843445] lowmem_reserve[]: 0 0 3503 3503 [ 402.870607] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 402.874906] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB [ 402.879231] ? lock_downgrade+0x900/0x900 [ 402.884043] lowmem_reserve[]: 0 0 0 0 [ 402.913030] ? trace_hardirqs_off+0xb8/0x310 [ 402.917167] 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 [ 402.920966] ? trace_hardirqs_off+0xb8/0x310 [ 402.925362] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB [ 402.938910] __alloc_pages_slowpath+0x26e8/0x2e10 [ 402.943295] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB [ 402.958495] ? warn_alloc+0x120/0x120 [ 402.963297] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 402.977499] ? print_usage_bug+0xc0/0xc0 [ 402.981292] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 402.990117] ? warn_alloc+0x120/0x120 [ 402.994158] 309 total pagecache pages [ 403.002726] ? warn_alloc+0x120/0x120 [ 403.006542] 0 pages in swap cache [ 403.010326] ? print_usage_bug+0xc0/0xc0 [ 403.014107] Swap cache stats: add 0, delete 0, find 0/0 [ 403.017576] ? kvm_clock_read+0x18/0x30 [ 403.021613] Free swap = 0kB [ 403.026987] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 403.030955] Total swap = 0kB [ 403.033990] ? print_usage_bug+0xc0/0xc0 [ 403.038985] 1965979 pages RAM [ 403.041995] ? __lock_acquire+0x62f/0x4c20 [ 403.046036] 0 pages HighMem/MovableOnly [ 403.049145] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 403.053355] 342853 pages reserved [ 403.057322] ? should_fail+0x22d/0xd01 [ 403.062836] 0 pages cma reserved [ 403.066281] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 403.070205] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 403.073505] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 403.073520] ? __lock_acquire+0x62f/0x4c20 [ 403.073538] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 403.078857] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 403.085289] ? __lock_acquire+0x62f/0x4c20 [ 403.090367] syz-executor2 cpuset=syz2 mems_allowed=0 [ 403.094593] ? should_fail+0x22d/0xd01 [ 403.123315] ? rcu_irq_exit+0x1a2/0x390 [ 403.127299] ? mark_held_locks+0x130/0x130 [ 403.131539] ? mark_held_locks+0x130/0x130 [ 403.135780] ? mark_held_locks+0xc7/0x130 [ 403.139952] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 403.144969] ? zap_class+0x640/0x640 [ 403.148683] ? print_usage_bug+0xc0/0xc0 [ 403.152766] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.158310] ? check_preemption_disabled+0x48/0x280 [ 403.163336] ? __lock_is_held+0xb5/0x140 [ 403.167404] __alloc_pages_nodemask+0xa80/0xde0 [ 403.172076] ? zap_class+0x640/0x640 [ 403.175800] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 403.180829] ? find_held_lock+0x36/0x1c0 [ 403.184899] ? ____cache_alloc_node+0x1c7/0x1e0 [ 403.189569] ? lock_downgrade+0x900/0x900 [ 403.193729] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.199288] cache_grow_begin+0xa5/0x8c0 [ 403.203351] ? do_raw_spin_unlock+0xa7/0x330 [ 403.207786] fallback_alloc+0x204/0x2e0 [ 403.211796] ____cache_alloc_node+0x1c7/0x1e0 [ 403.216299] kmem_cache_alloc_node+0xe3/0x730 [ 403.220814] ? ipv6_get_ifaddr+0x42e/0x620 [ 403.225083] __alloc_skb+0x119/0x770 [ 403.228791] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 403.234090] ? netdev_alloc_frag+0x1f0/0x1f0 [ 403.238498] ? lock_downgrade+0x900/0x900 [ 403.242653] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.248192] ? refcount_sub_and_test_checked+0x203/0x310 [ 403.253647] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 403.259101] ? addrconf_rs_timer+0x690/0x690 [ 403.263523] ndisc_alloc_skb+0x144/0x340 [ 403.267588] ndisc_send_rs+0x331/0x6e0 [ 403.271495] addrconf_rs_timer+0x314/0x690 [ 403.275740] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 403.280000] call_timer_fn+0x272/0x920 [ 403.283898] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 403.288137] ? process_timeout+0x40/0x40 [ 403.292213] ? mark_held_locks+0xc7/0x130 [ 403.296365] ? _raw_spin_unlock_irq+0x27/0x80 [ 403.300857] ? _raw_spin_unlock_irq+0x27/0x80 [ 403.305353] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 403.309588] ? lockdep_hardirqs_on+0x296/0x5b0 [ 403.314177] ? trace_hardirqs_on+0xbd/0x310 [ 403.318517] ? kasan_check_read+0x11/0x20 [ 403.322663] ? __run_timers+0x7da/0xc70 [ 403.326644] ? trace_hardirqs_off_caller+0x310/0x310 [ 403.331752] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 403.335991] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 403.340252] __run_timers+0x7e5/0xc70 [ 403.344068] ? timer_fixup_init+0x70/0x70 [ 403.348222] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 403.353242] ? zap_class+0x640/0x640 [ 403.356966] ? print_usage_bug+0xc0/0xc0 [ 403.361043] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 403.366242] ? find_held_lock+0x36/0x1c0 [ 403.370313] ? zap_class+0x640/0x640 [ 403.374045] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.379586] ? check_preemption_disabled+0x48/0x280 [ 403.384618] ? __lock_is_held+0xb5/0x140 [ 403.388684] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.394223] ? check_preemption_disabled+0x48/0x280 [ 403.399245] run_timer_softirq+0x52/0xb0 [ 403.403308] ? rcu_read_lock_sched_held+0x14f/0x180 [ 403.408327] __do_softirq+0x308/0xb7e [ 403.412133] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 403.416632] ? lock_downgrade+0x900/0x900 [ 403.420785] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 403.425930] ? pvclock_read_flags+0x160/0x160 [ 403.430430] ? lapic_next_event+0x5a/0x90 [ 403.434613] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.440160] ? kvm_clock_read+0x18/0x30 [ 403.444139] ? kvm_sched_clock_read+0x9/0x20 [ 403.448551] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.454110] ? check_preemption_disabled+0x48/0x280 [ 403.459140] irq_exit+0x17f/0x1c0 [ 403.462612] smp_apic_timer_interrupt+0x1cb/0x760 [ 403.467457] ? smp_reschedule_interrupt+0x109/0x650 [ 403.472478] ? smp_call_function_single_interrupt+0x650/0x650 [ 403.478362] ? interrupt_entry+0xb5/0xc0 [ 403.482431] ? trace_hardirqs_off_caller+0xbb/0x310 [ 403.487448] ? trace_hardirqs_off_caller+0xbb/0x310 [ 403.492467] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 403.497313] ? trace_hardirqs_on_caller+0x310/0x310 [ 403.502328] ? trace_hardirqs_on_caller+0x310/0x310 [ 403.507343] ? task_prio+0x50/0x50 [ 403.510885] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.516424] ? check_preemption_disabled+0x48/0x280 [ 403.521449] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 403.526315] apic_timer_interrupt+0xf/0x20 [ 403.530542] [ 403.532800] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 403.537998] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 403.556909] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 403.564638] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e [ 403.571903] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc [ 403.579170] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 403.586439] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000 [ 403.593705] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 403.601004] retint_kernel+0x1b/0x2d [ 403.604737] RIP: 0010:dump_stack+0x358/0x39d [ 403.609162] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 403.628081] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 403.635800] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e [ 403.643093] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 403.650372] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 403.657650] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45 [ 403.664942] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 403.672225] ? dump_stack+0x34f/0x39d [ 403.676056] ? dump_stack_print_info.cold.1+0x20/0x20 [ 403.681256] ? mark_held_locks+0x130/0x130 [ 403.685491] ? mark_held_locks+0x130/0x130 [ 403.689763] dump_header+0x27b/0xf72 [ 403.693488] ? pagefault_out_of_memory+0x197/0x197 [ 403.698425] ? __lock_acquire+0x62f/0x4c20 [ 403.702663] ? percpu_ref_get_many+0x240/0x240 [ 403.707248] ? print_usage_bug+0xc0/0xc0 [ 403.711319] ? zap_class+0x640/0x640 [ 403.715047] ? print_usage_bug+0xc0/0xc0 [ 403.719114] ? print_usage_bug+0xc0/0xc0 [ 403.723176] ? zap_class+0x640/0x640 [ 403.726930] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.732502] ? find_held_lock+0x36/0x1c0 [ 403.736577] ? mark_held_locks+0xc7/0x130 [ 403.740742] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 403.745844] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 403.750953] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 403.755543] ? trace_hardirqs_on+0xbd/0x310 [ 403.759867] ? kasan_check_read+0x11/0x20 [ 403.764046] ? ___ratelimit+0x3b4/0x672 [ 403.768053] ? trace_hardirqs_off_caller+0x310/0x310 [ 403.773162] ? trace_hardirqs_on+0x310/0x310 [ 403.777571] ? lock_downgrade+0x900/0x900 [ 403.781743] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 403.786851] ? ___ratelimit+0x3b9/0x672 [ 403.790831] ? idr_get_free+0xf70/0xf70 [ 403.794818] ? find_held_lock+0x36/0x1c0 [ 403.798889] oom_kill_process.cold.27+0x10/0x903 [ 403.803644] ? zap_class+0x640/0x640 [ 403.807363] ? check_preemption_disabled+0x48/0x280 [ 403.812386] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 403.817318] ? kasan_check_read+0x11/0x20 [ 403.821470] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 403.826753] ? oom_evaluate_task+0x540/0x540 [ 403.831171] ? find_held_lock+0x36/0x1c0 [ 403.835245] ? out_of_memory+0x974/0x1430 [ 403.839398] ? lock_downgrade+0x900/0x900 [ 403.843545] ? check_preemption_disabled+0x48/0x280 [ 403.848568] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 403.853501] ? kasan_check_read+0x11/0x20 [ 403.857649] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 403.862941] ? rcu_softirq_qs+0x20/0x20 [ 403.866920] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 403.872456] ? oom_evaluate_task+0x302/0x540 [ 403.876868] out_of_memory+0xa84/0x1430 [ 403.880854] ? oom_killer_disable+0x3a0/0x3a0 [ 403.885352] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 403.890290] ? __ww_mutex_check_waiters+0x160/0x160 [ 403.895320] __alloc_pages_slowpath+0x2354/0x2e10 [ 403.900192] ? warn_alloc+0x120/0x120 [ 403.903996] ? mark_held_locks+0x130/0x130 [ 403.908246] ? find_get_entry+0xaae/0x1120 [ 403.912495] ? filemap_map_pages+0x1a20/0x1a20 [ 403.917112] ? zap_class+0x640/0x640 [ 403.920848] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.926386] ? check_preemption_disabled+0x48/0x280 [ 403.931408] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 403.936945] ? should_fail+0x22d/0xd01 [ 403.940840] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 403.945975] ? zap_class+0x640/0x640 [ 403.949716] ? __lock_is_held+0xb5/0x140 [ 403.953806] ? mark_held_locks+0x130/0x130 [ 403.958103] ? lock_release+0xa00/0xa00 [ 403.962080] ? perf_trace_sched_process_exec+0x860/0x860 [ 403.967547] ? xa_load+0x2ba/0x460 [ 403.971102] ? lock_downgrade+0x900/0x900 [ 403.975261] ? __might_sleep+0x95/0x190 [ 403.979242] __alloc_pages_nodemask+0xa80/0xde0 [ 403.983919] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 403.988941] ? __page_cache_alloc+0x191/0x5c0 [ 403.993439] ? xa_load+0x2e1/0x460 [ 403.996985] ? xa_clear_mark+0x40/0x40 [ 404.000886] ? zap_class+0x640/0x640 [ 404.004626] ? zap_class+0x640/0x640 [ 404.008343] ? zap_class+0x640/0x640 [ 404.012065] ? __do_page_cache_readahead+0x663/0x810 [ 404.017178] ? find_held_lock+0x36/0x1c0 [ 404.021244] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 404.026792] alloc_pages_current+0x173/0x350 [ 404.031217] __page_cache_alloc+0x38c/0x5c0 [ 404.035537] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 404.040466] ? kasan_check_read+0x11/0x20 [ 404.044615] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 404.049896] ? generic_perform_write+0x6a0/0x6a0 [ 404.054654] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.060205] ? check_preemption_disabled+0x48/0x280 [ 404.065235] filemap_fault+0x1595/0x25f0 [ 404.069310] ? __lock_page_or_retry+0xa00/0xa00 [ 404.073981] ? mark_held_locks+0x130/0x130 [ 404.078248] ? filemap_map_pages+0xd6b/0x1a20 [ 404.082748] ? lock_downgrade+0x900/0x900 [ 404.086897] ? check_preemption_disabled+0x48/0x280 [ 404.091920] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 404.096850] ? kasan_check_read+0x11/0x20 [ 404.100999] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 404.106289] ? rcu_softirq_qs+0x20/0x20 [ 404.110279] ? filemap_map_pages+0xd92/0x1a20 [ 404.114790] ? find_get_entries_tag+0x1400/0x1400 [ 404.119635] ? ep_scan_ready_list+0xbc7/0x1050 [ 404.124223] ? trace_hardirqs_off_caller+0x310/0x310 [ 404.129350] ? lock_acquire+0x1ed/0x520 [ 404.133326] ? ext4_filemap_fault+0x7a/0xad [ 404.137655] ? lock_release+0xa00/0xa00 [ 404.141629] ? perf_trace_sched_process_exec+0x860/0x860 [ 404.147258] ? print_usage_bug+0xc0/0xc0 [ 404.151323] ? print_usage_bug+0xc0/0xc0 [ 404.155402] ? down_read+0x8d/0x120 [ 404.159049] ? ext4_filemap_fault+0x7a/0xad [ 404.163378] ? __down_interruptible+0x700/0x700 [ 404.168070] ext4_filemap_fault+0x82/0xad [ 404.172235] __do_fault+0x100/0x6b0 [ 404.175869] ? pmd_devmap_trans_unstable+0x220/0x220 [ 404.181067] ? mark_held_locks+0x130/0x130 [ 404.185307] ? mark_held_locks+0x130/0x130 [ 404.189542] ? kasan_check_read+0x11/0x20 [ 404.193693] ? ep_poll+0xffa/0x13d0 [ 404.197326] ? trace_hardirqs_off_caller+0x310/0x310 [ 404.202439] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.208001] __handle_mm_fault+0x3ea0/0x5be0 [ 404.212422] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.217970] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 404.222819] ? do_epoll_create+0x590/0x590 [ 404.227060] ? kasan_check_read+0x11/0x20 [ 404.231209] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 404.236486] ? rcu_softirq_qs+0x20/0x20 [ 404.240472] ? zap_class+0x640/0x640 [ 404.244189] ? zap_class+0x640/0x640 [ 404.247908] ? find_held_lock+0x36/0x1c0 [ 404.251982] ? handle_mm_fault+0x42a/0xc70 [ 404.256225] ? lock_downgrade+0x900/0x900 [ 404.260377] ? check_preemption_disabled+0x48/0x280 [ 404.265399] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 404.270329] ? kasan_check_read+0x11/0x20 [ 404.274474] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 404.279751] ? rcu_softirq_qs+0x20/0x20 [ 404.283728] ? trace_hardirqs_off_caller+0x310/0x310 [ 404.288836] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.294375] ? check_preemption_disabled+0x48/0x280 [ 404.299402] handle_mm_fault+0x54f/0xc70 [ 404.303469] ? __handle_mm_fault+0x5be0/0x5be0 [ 404.308063] ? find_vma+0x34/0x190 [ 404.311613] __do_page_fault+0x5e8/0xe60 [ 404.315679] ? trace_hardirqs_off+0xb8/0x310 [ 404.320090] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 404.325648] do_page_fault+0xf2/0x7e0 [ 404.329454] ? vmalloc_sync_all+0x30/0x30 [ 404.333621] ? error_entry+0x70/0xd0 [ 404.337341] ? trace_hardirqs_off_caller+0xbb/0x310 [ 404.342356] ? trace_hardirqs_on_caller+0xc0/0x310 [ 404.347288] ? syscall_return_slowpath+0x5e0/0x5e0 [ 404.352218] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 404.357075] ? trace_hardirqs_on_caller+0x310/0x310 [ 404.362111] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 404.367619] ? prepare_exit_to_usermode+0x291/0x3b0 [ 404.372638] ? page_fault+0x8/0x30 [ 404.376204] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 404.381068] ? page_fault+0x8/0x30 [ 404.384617] page_fault+0x1e/0x30 [ 404.388068] RIP: 0033:0x45df89 [ 404.391280] Code: Bad RIP value. [ 404.394644] RSP: 002b:000000c42017b850 EFLAGS: 00010246 [ 404.400008] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89 [ 404.407287] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004 [ 404.414556] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500 [ 404.421823] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8 [ 404.429091] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff [ 404.436390] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145 [ 404.436456] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 404.443755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 404.443760] Call Trace: [ 404.443767] [ 404.443785] dump_stack+0x244/0x39d [ 404.443804] ? dump_stack_print_info.cold.1+0x20/0x20 [ 404.450330] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 404.459647] warn_alloc.cold.116+0xb7/0x1bd [ 404.462200] syz-fuzzer cpuset=/ mems_allowed=0 [ 404.464344] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 404.497046] ? lock_downgrade+0x900/0x900 [ 404.501211] ? trace_hardirqs_off+0xb8/0x310 [ 404.505628] ? trace_hardirqs_off+0xb8/0x310 [ 404.510052] __alloc_pages_slowpath+0x26e8/0x2e10 [ 404.514929] ? warn_alloc+0x120/0x120 [ 404.518736] ? print_usage_bug+0xc0/0xc0 [ 404.522799] ? warn_alloc+0x120/0x120 [ 404.526607] ? warn_alloc+0x120/0x120 [ 404.530411] ? print_usage_bug+0xc0/0xc0 [ 404.534496] ? print_usage_bug+0xc0/0xc0 [ 404.538563] ? __lock_acquire+0x62f/0x4c20 [ 404.542809] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.548349] ? should_fail+0x22d/0xd01 [ 404.552242] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 404.557347] ? __lock_acquire+0x62f/0x4c20 [ 404.561587] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 404.566708] ? __lock_acquire+0x62f/0x4c20 [ 404.570944] ? should_fail+0x22d/0xd01 [ 404.574832] ? find_held_lock+0x36/0x1c0 [ 404.578901] ? mark_held_locks+0x130/0x130 [ 404.583141] ? mark_held_locks+0x130/0x130 [ 404.587375] ? zap_class+0x640/0x640 [ 404.591089] ? zap_class+0x640/0x640 [ 404.594806] ? print_usage_bug+0xc0/0xc0 [ 404.598913] ? do_raw_spin_unlock+0xa7/0x330 [ 404.603333] ? zap_class+0x640/0x640 [ 404.607051] ? print_usage_bug+0xc0/0xc0 [ 404.611297] ? wq_watchdog_touch+0x9c/0xfe [ 404.615543] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.621101] ? check_preemption_disabled+0x48/0x280 [ 404.626156] ? __lock_is_held+0xb5/0x140 [ 404.630227] __alloc_pages_nodemask+0xa80/0xde0 [ 404.634902] ? zap_class+0x640/0x640 [ 404.638631] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 404.643664] ? find_held_lock+0x36/0x1c0 [ 404.647737] ? ____cache_alloc_node+0x1c7/0x1e0 [ 404.652409] ? lock_downgrade+0x900/0x900 [ 404.656570] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.662115] cache_grow_begin+0xa5/0x8c0 [ 404.666182] ? do_raw_spin_unlock+0xa7/0x330 [ 404.670605] fallback_alloc+0x204/0x2e0 [ 404.674592] ____cache_alloc_node+0x1c7/0x1e0 [ 404.679094] kmem_cache_alloc_node+0xe3/0x730 [ 404.683591] ? ipv6_get_ifaddr+0x42e/0x620 [ 404.687840] __alloc_skb+0x119/0x770 [ 404.691558] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 404.696840] ? netdev_alloc_frag+0x1f0/0x1f0 [ 404.701249] ? lock_downgrade+0x900/0x900 [ 404.705405] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.710943] ? refcount_sub_and_test_checked+0x203/0x310 [ 404.716400] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 404.721850] ? addrconf_rs_timer+0x690/0x690 [ 404.726274] ndisc_alloc_skb+0x144/0x340 [ 404.730341] ndisc_send_rs+0x331/0x6e0 [ 404.734235] addrconf_rs_timer+0x314/0x690 [ 404.738478] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 404.742724] call_timer_fn+0x272/0x920 [ 404.747077] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 404.751314] ? process_timeout+0x40/0x40 [ 404.755383] ? __run_timers+0x7da/0xc70 [ 404.759362] ? _raw_spin_unlock_irq+0x27/0x80 [ 404.763856] ? _raw_spin_unlock_irq+0x27/0x80 [ 404.768351] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 404.772596] ? lockdep_hardirqs_on+0x296/0x5b0 [ 404.777186] ? trace_hardirqs_on+0xbd/0x310 [ 404.781561] ? kasan_check_read+0x11/0x20 [ 404.785712] ? __run_timers+0x7da/0xc70 [ 404.789688] ? trace_hardirqs_off_caller+0x310/0x310 [ 404.794797] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 404.799043] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 404.803276] __run_timers+0x7e5/0xc70 [ 404.807087] ? timer_fixup_init+0x70/0x70 [ 404.811238] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 404.816257] ? zap_class+0x640/0x640 [ 404.819977] ? enqueue_hrtimer+0x1a5/0x560 [ 404.824217] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 404.829417] ? find_held_lock+0x36/0x1c0 [ 404.833487] ? zap_class+0x640/0x640 [ 404.837208] ? pvclock_read_flags+0x160/0x160 [ 404.841709] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.847251] ? check_preemption_disabled+0x48/0x280 [ 404.852281] ? __lock_is_held+0xb5/0x140 [ 404.856349] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.861888] ? check_preemption_disabled+0x48/0x280 [ 404.866912] run_timer_softirq+0x52/0xb0 [ 404.870975] ? rcu_read_lock_sched_held+0x14f/0x180 [ 404.875992] __do_softirq+0x308/0xb7e [ 404.879805] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 404.884299] ? lock_downgrade+0x900/0x900 [ 404.888455] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 404.893569] ? pvclock_read_flags+0x160/0x160 [ 404.898073] ? lapic_next_event+0x5a/0x90 [ 404.902228] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.907771] ? kvm_clock_read+0x18/0x30 [ 404.911750] ? kvm_sched_clock_read+0x9/0x20 [ 404.916165] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.921704] ? check_preemption_disabled+0x48/0x280 [ 404.926734] irq_exit+0x17f/0x1c0 [ 404.930193] smp_apic_timer_interrupt+0x1cb/0x760 [ 404.935040] ? smp_reschedule_interrupt+0x109/0x650 [ 404.940058] ? smp_call_function_single_interrupt+0x650/0x650 [ 404.945942] ? interrupt_entry+0xb5/0xc0 [ 404.950005] ? trace_hardirqs_off_caller+0xbb/0x310 [ 404.955036] ? trace_hardirqs_off_caller+0xbb/0x310 [ 404.960056] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 404.964900] ? trace_hardirqs_on_caller+0x310/0x310 [ 404.969919] ? trace_hardirqs_on_caller+0x310/0x310 [ 404.974950] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 404.979801] apic_timer_interrupt+0xf/0x20 [ 404.984035] [ 404.986279] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 404.991208] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7 [ 405.010117] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 405.017826] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 405.025094] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286 [ 405.032360] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000 [ 405.039624] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 405.046906] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020 [ 405.054212] skb_clone+0x1bb/0x500 [ 405.057755] ? finish_task_switch+0x2f4/0x910 [ 405.062251] ? skb_split+0x11e0/0x11e0 [ 405.066142] ? preempt_notifier_register+0x200/0x200 [ 405.071243] ? __switch_to_asm+0x34/0x70 [ 405.075302] ? __switch_to_asm+0x34/0x70 [ 405.079376] ? __switch_to_asm+0x40/0x70 [ 405.083437] ? __switch_to_asm+0x34/0x70 [ 405.087495] ? __switch_to_asm+0x40/0x70 [ 405.091563] ? __switch_to_asm+0x34/0x70 [ 405.095621] ? __switch_to_asm+0x40/0x70 [ 405.099688] ? __switch_to_asm+0x34/0x70 [ 405.103748] ? __switch_to_asm+0x34/0x70 [ 405.107808] ? __switch_to_asm+0x40/0x70 [ 405.111867] ? __switch_to_asm+0x34/0x70 [ 405.115935] bpf_clone_redirect+0xb9/0x490 [ 405.120173] ? __schedule+0x8d7/0x21d0 [ 405.124071] bpf_prog_bebbfe2050753572+0x1d8/0x1000 [ 405.129092] ? __sched_text_start+0x8/0x8 [ 405.133263] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 405.137844] ? retint_kernel+0x2d/0x2d [ 405.141734] ? trace_hardirqs_on_caller+0xc0/0x310 [ 405.146668] ? find_held_lock+0x36/0x1c0 [ 405.150740] ? lock_acquire+0x1ed/0x520 [ 405.154717] ? bpf_test_run+0x3cb/0x780 [ 405.158693] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.164232] ? check_preemption_disabled+0x48/0x280 [ 405.169259] ? kasan_check_read+0x11/0x20 [ 405.173408] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 405.178685] ? rcu_softirq_qs+0x20/0x20 [ 405.182661] ? preempt_schedule+0x4d/0x60 [ 405.186810] ? ___preempt_schedule+0x16/0x18 [ 405.191233] ? bpf_test_run+0x25d/0x780 [ 405.195219] ? netlink_diag_dump+0x2a0/0x2a0 [ 405.199636] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 405.205175] ? bpf_test_init.isra.10+0x70/0x100 [ 405.209854] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 405.214625] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 405.219468] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 405.225006] ? fput+0x130/0x1a0 [ 405.228298] ? __bpf_prog_get+0x9b/0x290 [ 405.232365] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 405.237205] ? bpf_prog_test_run+0x130/0x1a0 [ 405.241620] ? __x64_sys_bpf+0x3d8/0x520 [ 405.245685] ? bpf_prog_get+0x20/0x20 [ 405.249506] ? do_syscall_64+0x1b9/0x820 [ 405.253576] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 405.258940] ? syscall_return_slowpath+0x5e0/0x5e0 [ 405.263870] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 405.268718] ? trace_hardirqs_on_caller+0x310/0x310 [ 405.273735] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 405.278757] ? prepare_exit_to_usermode+0x291/0x3b0 [ 405.283781] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 405.288634] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 405.294022] warn_alloc_show_mem: 1 callbacks suppressed [ 405.294035] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145 [ 405.294036] Mem-Info: [ 405.294049] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 405.299420] active_anon:51179 inactive_anon:236 isolated_anon:0 [ 405.299420] active_file:17 inactive_file:9 isolated_file:0 [ 405.299420] unevictable:0 dirty:0 writeback:0 unstable:0 [ 405.299420] slab_reclaimable:9362 slab_unreclaimable:1467319 [ 405.299420] mapped:16386 shmem:283 pagetables:457 bounce:0 [ 405.299420] free:13694 free_pcp:258 free_cma:0 [ 405.306409] Call Trace: [ 405.308833] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 405.318180] [ 405.350977] 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 [ 405.353565] dump_stack+0x244/0x39d [ 405.381041] lowmem_reserve[]: 0 2818 6321 6321 [ 405.383212] ? dump_stack_print_info.cold.1+0x20/0x20 [ 405.409290] Node 0 DMA32 free:24972kB 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:0kB local_pcp:0kB free_cma:0kB [ 405.412920] warn_alloc.cold.116+0xb7/0x1bd [ 405.417486] lowmem_reserve[]: 0 0 3503 3503 [ 405.422670] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 405.449796] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB [ 405.454118] ? lock_downgrade+0x900/0x900 [ 405.458412] lowmem_reserve[]: 0 0 0 0 [ 405.463253] ? trace_hardirqs_off+0xb8/0x310 [ 405.492202] 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 [ 405.496346] ? trace_hardirqs_off+0xb8/0x310 [ 405.500124] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB [ 405.504531] __alloc_pages_slowpath+0x26e8/0x2e10 [ 405.518034] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB [ 405.522463] ? warn_alloc+0x120/0x120 [ 405.537598] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 405.542429] ? print_usage_bug+0xc0/0xc0 [ 405.556626] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 405.560414] ? warn_alloc+0x120/0x120 [ 405.569224] 309 total pagecache pages [ 405.573310] ? warn_alloc+0x120/0x120 [ 405.581882] 0 pages in swap cache [ 405.585676] ? print_usage_bug+0xc0/0xc0 [ 405.589454] Swap cache stats: add 0, delete 0, find 0/0 [ 405.593262] ? print_usage_bug+0xc0/0xc0 [ 405.596691] Free swap = 0kB [ 405.600747] ? __lock_acquire+0x62f/0x4c20 [ 405.606087] Total swap = 0kB [ 405.610150] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 405.613140] 1965979 pages RAM [ 405.617387] ? should_fail+0x22d/0xd01 [ 405.620381] 0 pages HighMem/MovableOnly [ 405.625916] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 405.628997] 342853 pages reserved [ 405.632884] ? __lock_acquire+0x62f/0x4c20 [ 405.636830] 0 pages cma reserved [ 405.641931] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 405.645424] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 405.649583] ? __lock_acquire+0x62f/0x4c20 [ 405.649600] ? should_fail+0x22d/0xd01 [ 405.653090] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 405.658117] ? find_held_lock+0x36/0x1c0 [ 405.664587] syz-executor2 cpuset=syz2 mems_allowed=0 [ 405.668823] ? mark_held_locks+0x130/0x130 [ 405.696522] ? mark_held_locks+0x130/0x130 [ 405.700771] ? zap_class+0x640/0x640 [ 405.704488] ? zap_class+0x640/0x640 [ 405.708208] ? print_usage_bug+0xc0/0xc0 [ 405.712269] ? do_raw_spin_unlock+0xa7/0x330 [ 405.716681] ? zap_class+0x640/0x640 [ 405.720399] ? print_usage_bug+0xc0/0xc0 [ 405.724460] ? wq_watchdog_touch+0x9c/0xfe [ 405.728700] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.734240] ? check_preemption_disabled+0x48/0x280 [ 405.739268] ? __lock_is_held+0xb5/0x140 [ 405.743343] __alloc_pages_nodemask+0xa80/0xde0 [ 405.748023] ? zap_class+0x640/0x640 [ 405.751752] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 405.756783] ? find_held_lock+0x36/0x1c0 [ 405.760859] ? ____cache_alloc_node+0x1c7/0x1e0 [ 405.765531] ? lock_downgrade+0x900/0x900 [ 405.769702] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.775250] cache_grow_begin+0xa5/0x8c0 [ 405.779314] ? do_raw_spin_unlock+0xa7/0x330 [ 405.783732] fallback_alloc+0x204/0x2e0 [ 405.787719] ____cache_alloc_node+0x1c7/0x1e0 [ 405.792226] kmem_cache_alloc_node+0xe3/0x730 [ 405.796723] ? ipv6_get_ifaddr+0x42e/0x620 [ 405.800969] __alloc_skb+0x119/0x770 [ 405.804686] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 405.809969] ? netdev_alloc_frag+0x1f0/0x1f0 [ 405.814402] ? lock_downgrade+0x900/0x900 [ 405.818563] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.824121] ? refcount_sub_and_test_checked+0x203/0x310 [ 405.829578] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 405.835049] ? addrconf_rs_timer+0x690/0x690 [ 405.839475] ndisc_alloc_skb+0x144/0x340 [ 405.843543] ndisc_send_rs+0x331/0x6e0 [ 405.847437] addrconf_rs_timer+0x314/0x690 [ 405.851684] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 405.855931] call_timer_fn+0x272/0x920 [ 405.859819] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 405.864059] ? process_timeout+0x40/0x40 [ 405.868134] ? mark_held_locks+0xc7/0x130 [ 405.872284] ? _raw_spin_unlock_irq+0x27/0x80 [ 405.876777] ? _raw_spin_unlock_irq+0x27/0x80 [ 405.881271] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 405.885509] ? lockdep_hardirqs_on+0x296/0x5b0 [ 405.890102] ? trace_hardirqs_on+0xbd/0x310 [ 405.894424] ? kasan_check_read+0x11/0x20 [ 405.898574] ? __run_timers+0x7da/0xc70 [ 405.902549] ? trace_hardirqs_off_caller+0x310/0x310 [ 405.907661] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 405.911905] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 405.916138] __run_timers+0x7e5/0xc70 [ 405.919953] ? timer_fixup_init+0x70/0x70 [ 405.924107] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 405.929125] ? zap_class+0x640/0x640 [ 405.932848] ? print_usage_bug+0xc0/0xc0 [ 405.936911] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 405.942115] ? find_held_lock+0x36/0x1c0 [ 405.946182] ? zap_class+0x640/0x640 [ 405.949908] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.955449] ? check_preemption_disabled+0x48/0x280 [ 405.960478] ? __lock_is_held+0xb5/0x140 [ 405.964546] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.970088] ? check_preemption_disabled+0x48/0x280 [ 405.975114] run_timer_softirq+0x52/0xb0 [ 405.979179] ? rcu_read_lock_sched_held+0x14f/0x180 [ 405.984202] __do_softirq+0x308/0xb7e [ 405.988011] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 405.992518] ? lock_downgrade+0x900/0x900 [ 405.996674] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 406.001791] ? pvclock_read_flags+0x160/0x160 [ 406.006297] ? lapic_next_event+0x5a/0x90 [ 406.010449] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.015995] ? kvm_clock_read+0x18/0x30 [ 406.019980] ? kvm_sched_clock_read+0x9/0x20 [ 406.024399] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.029939] ? check_preemption_disabled+0x48/0x280 [ 406.034971] irq_exit+0x17f/0x1c0 [ 406.038427] smp_apic_timer_interrupt+0x1cb/0x760 [ 406.043271] ? smp_reschedule_interrupt+0x109/0x650 [ 406.048292] ? smp_call_function_single_interrupt+0x650/0x650 [ 406.054178] ? interrupt_entry+0xb5/0xc0 [ 406.058244] ? trace_hardirqs_off_caller+0xbb/0x310 [ 406.063260] ? trace_hardirqs_off_caller+0xbb/0x310 [ 406.068278] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 406.073125] ? trace_hardirqs_on_caller+0x310/0x310 [ 406.078143] ? trace_hardirqs_on_caller+0x310/0x310 [ 406.083162] ? task_prio+0x50/0x50 [ 406.086711] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.092252] ? check_preemption_disabled+0x48/0x280 [ 406.097276] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 406.102133] apic_timer_interrupt+0xf/0x20 [ 406.106366] [ 406.108608] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 406.113799] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 406.132731] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 406.140440] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e [ 406.147706] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc [ 406.154978] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 406.162244] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000 [ 406.169512] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 406.176821] retint_kernel+0x1b/0x2d [ 406.180538] RIP: 0010:dump_stack+0x358/0x39d [ 406.184951] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 406.203849] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 406.211558] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e [ 406.218828] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 406.226094] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 406.233363] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45 [ 406.240630] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 406.247925] ? dump_stack+0x34f/0x39d [ 406.251744] ? dump_stack_print_info.cold.1+0x20/0x20 [ 406.256941] ? mark_held_locks+0x130/0x130 [ 406.261178] ? mark_held_locks+0x130/0x130 [ 406.265423] dump_header+0x27b/0xf72 [ 406.269151] ? pagefault_out_of_memory+0x197/0x197 [ 406.274093] ? __lock_acquire+0x62f/0x4c20 [ 406.278330] ? percpu_ref_get_many+0x240/0x240 [ 406.282916] ? print_usage_bug+0xc0/0xc0 [ 406.286984] ? zap_class+0x640/0x640 [ 406.290713] ? print_usage_bug+0xc0/0xc0 [ 406.294774] ? print_usage_bug+0xc0/0xc0 [ 406.298837] ? zap_class+0x640/0x640 [ 406.302560] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.308108] ? find_held_lock+0x36/0x1c0 [ 406.312180] ? mark_held_locks+0xc7/0x130 [ 406.316333] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 406.321435] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 406.326541] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 406.331129] ? trace_hardirqs_on+0xbd/0x310 [ 406.335453] ? kasan_check_read+0x11/0x20 [ 406.339602] ? ___ratelimit+0x3b4/0x672 [ 406.343582] ? trace_hardirqs_off_caller+0x310/0x310 [ 406.348691] ? trace_hardirqs_on+0x310/0x310 [ 406.353103] ? lock_downgrade+0x900/0x900 [ 406.357256] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 406.362366] ? ___ratelimit+0x3b9/0x672 [ 406.366343] ? idr_get_free+0xf70/0xf70 [ 406.370323] ? find_held_lock+0x36/0x1c0 [ 406.374400] oom_kill_process.cold.27+0x10/0x903 [ 406.379160] ? zap_class+0x640/0x640 [ 406.382881] ? check_preemption_disabled+0x48/0x280 [ 406.387911] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 406.392844] ? kasan_check_read+0x11/0x20 [ 406.396991] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 406.402283] ? oom_evaluate_task+0x540/0x540 [ 406.406702] ? find_held_lock+0x36/0x1c0 [ 406.410772] ? out_of_memory+0x974/0x1430 [ 406.414936] ? lock_downgrade+0x900/0x900 [ 406.419084] ? check_preemption_disabled+0x48/0x280 [ 406.424105] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 406.429053] ? kasan_check_read+0x11/0x20 [ 406.433202] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 406.438480] ? rcu_softirq_qs+0x20/0x20 [ 406.442464] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 406.448001] ? oom_evaluate_task+0x302/0x540 [ 406.452432] out_of_memory+0xa84/0x1430 [ 406.456418] ? oom_killer_disable+0x3a0/0x3a0 [ 406.460953] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 406.465887] ? __ww_mutex_check_waiters+0x160/0x160 [ 406.470922] __alloc_pages_slowpath+0x2354/0x2e10 [ 406.475826] ? warn_alloc+0x120/0x120 [ 406.479629] ? mark_held_locks+0x130/0x130 [ 406.483873] ? find_get_entry+0xaae/0x1120 [ 406.488119] ? filemap_map_pages+0x1a20/0x1a20 [ 406.492706] ? zap_class+0x640/0x640 [ 406.496429] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.501972] ? check_preemption_disabled+0x48/0x280 [ 406.506995] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 406.512547] ? should_fail+0x22d/0xd01 [ 406.516479] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 406.521582] ? zap_class+0x640/0x640 [ 406.525330] ? __lock_is_held+0xb5/0x140 [ 406.529399] ? mark_held_locks+0x130/0x130 [ 406.533638] ? lock_release+0xa00/0xa00 [ 406.537615] ? perf_trace_sched_process_exec+0x860/0x860 [ 406.543088] ? xa_load+0x2ba/0x460 [ 406.546631] ? lock_downgrade+0x900/0x900 [ 406.550803] ? __might_sleep+0x95/0x190 [ 406.554784] __alloc_pages_nodemask+0xa80/0xde0 [ 406.559463] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 406.564485] ? __page_cache_alloc+0x191/0x5c0 [ 406.568983] ? xa_load+0x2e1/0x460 [ 406.572535] ? xa_clear_mark+0x40/0x40 [ 406.576429] ? zap_class+0x640/0x640 [ 406.580155] ? zap_class+0x640/0x640 [ 406.583874] ? zap_class+0x640/0x640 [ 406.587593] ? __do_page_cache_readahead+0x663/0x810 [ 406.592704] ? find_held_lock+0x36/0x1c0 [ 406.596776] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 406.602321] alloc_pages_current+0x173/0x350 [ 406.606740] __page_cache_alloc+0x38c/0x5c0 [ 406.611525] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 406.616455] ? kasan_check_read+0x11/0x20 [ 406.620633] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 406.625914] ? generic_perform_write+0x6a0/0x6a0 [ 406.630680] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 406.636223] ? check_preemption_disabled+0x48/0x280 [ 406.641248] filemap_fault+0x1595/0x25f0 [ 406.645323] ? __lock_page_or_retry+0xa00/0xa00 [ 406.649994] ? mark_held_locks+0x130/0x130 [ 406.654248] ? filemap_map_pages+0xd6b/0x1a20 [ 406.658744] ? lock_downgrade+0x900/0x900 [ 406.662895] ? check_preemption_disabled+0x48/0x280 [ 406.667919] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 406.672847] ? kasan_check_read+0x11/0x20 [ 406.676998] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 406.682291] ? rcu_softirq_qs+0x20/0x20 [ 406.686281] ? filemap_map_pages+0xd92/0x1a20 [ 406.690797] ? find_get_entries_tag+0x1400/0x1400 [ 406.695647] ? ep_scan_ready_list+0xbc7/0x1050 [ 406.700235] ? trace_hardirqs_off_caller+0x310/0x310 [ 406.705359] ? lock_acquire+0x1ed/0x520 [ 406.709334] ? ext4_filemap_fault+0x7a/0xad [ 406.713662] ? lock_release+0xa00/0xa00 [ 406.717639] ? perf_trace_sched_process_exec+0x860/0x860 [ 406.723094] ? print_usage_bug+0xc0/0xc0 [ 406.727162] ? print_usage_bug+0xc0/0xc0 [ 406.731239] ? down_read+0x8d/0x120 [ 406.734867] ? ext4_filemap_fault+0x7a/0xad [ 406.739193] ? __down_interruptible+0x700/0x700 [ 406.744010] ext4_filemap_fault+0x82/0xad [ 406.748191] __do_fault+0x100/0x6b0 [ 406.751828] ? pmd_devmap_trans_unstable+0x220/0x220 [ 406.756937] ? mark_held_locks+0x130/0x130 [ 406.761181] ? mark_held_locks+0x130/0x130 [ 406.765419] ? kasan_check_read+0x11/0x20 [ 406.769574] ? ep_poll+0xffa/0x13d0 [ 406.773210] ? trace_hardirqs_off_caller+0x310/0x310 [ 406.778338] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 406.783891] __handle_mm_fault+0x3ea0/0x5be0 [ 406.788305] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.793852] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 406.798701] ? do_epoll_create+0x590/0x590 [ 406.802942] ? kasan_check_read+0x11/0x20 [ 406.807093] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 406.812371] ? rcu_softirq_qs+0x20/0x20 [ 406.816364] ? zap_class+0x640/0x640 [ 406.820081] ? zap_class+0x640/0x640 [ 406.823806] ? find_held_lock+0x36/0x1c0 [ 406.827879] ? handle_mm_fault+0x42a/0xc70 [ 406.832118] ? lock_downgrade+0x900/0x900 [ 406.836268] ? check_preemption_disabled+0x48/0x280 [ 406.841293] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 406.846224] ? kasan_check_read+0x11/0x20 [ 406.850372] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 406.855649] ? rcu_softirq_qs+0x20/0x20 [ 406.859624] ? trace_hardirqs_off_caller+0x310/0x310 [ 406.864753] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 406.870296] ? check_preemption_disabled+0x48/0x280 [ 406.875331] handle_mm_fault+0x54f/0xc70 [ 406.879403] ? __handle_mm_fault+0x5be0/0x5be0 [ 406.883990] ? find_vma+0x34/0x190 [ 406.887546] __do_page_fault+0x5e8/0xe60 [ 406.891611] ? trace_hardirqs_off+0xb8/0x310 [ 406.896029] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 406.901586] do_page_fault+0xf2/0x7e0 [ 406.905389] ? vmalloc_sync_all+0x30/0x30 [ 406.909541] ? error_entry+0x70/0xd0 [ 406.913259] ? trace_hardirqs_off_caller+0xbb/0x310 [ 406.918276] ? trace_hardirqs_on_caller+0xc0/0x310 [ 406.923210] ? syscall_return_slowpath+0x5e0/0x5e0 [ 406.928145] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 406.932988] ? trace_hardirqs_on_caller+0x310/0x310 [ 406.938012] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 406.943487] ? prepare_exit_to_usermode+0x291/0x3b0 [ 406.948506] ? page_fault+0x8/0x30 [ 406.952058] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 406.956906] ? page_fault+0x8/0x30 [ 406.960452] page_fault+0x1e/0x30 [ 406.963904] RIP: 0033:0x45df89 [ 406.967109] Code: Bad RIP value. [ 406.970469] RSP: 002b:000000c42017b850 EFLAGS: 00010246 [ 406.975828] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89 [ 406.983096] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004 [ 406.990365] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500 [ 406.997632] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8 [ 407.004900] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff [ 407.012202] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145 [ 407.012266] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 407.019566] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 407.019575] Call Trace: [ 407.026150] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 407.035403] [ 407.037975] syz-fuzzer cpuset=/ mems_allowed=0 [ 407.048287] dump_stack+0x244/0x39d [ 407.058601] ? dump_stack_print_info.cold.1+0x20/0x20 [ 407.063822] warn_alloc.cold.116+0xb7/0x1bd [ 407.068146] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 407.072997] ? lock_downgrade+0x900/0x900 [ 407.077162] ? trace_hardirqs_off+0xb8/0x310 [ 407.081587] ? trace_hardirqs_off+0xb8/0x310 [ 407.086009] __alloc_pages_slowpath+0x26e8/0x2e10 [ 407.090891] ? warn_alloc+0x120/0x120 [ 407.094699] ? print_usage_bug+0xc0/0xc0 [ 407.098763] ? warn_alloc+0x120/0x120 [ 407.102577] ? warn_alloc+0x120/0x120 [ 407.106382] ? print_usage_bug+0xc0/0xc0 [ 407.110458] ? kvm_clock_read+0x18/0x30 [ 407.114432] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 407.119457] ? print_usage_bug+0xc0/0xc0 [ 407.123524] ? __lock_acquire+0x62f/0x4c20 [ 407.127772] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 407.133309] ? should_fail+0x22d/0xd01 [ 407.137207] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 407.142516] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 407.147636] ? __lock_acquire+0x62f/0x4c20 [ 407.151878] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 407.156993] ? __lock_acquire+0x62f/0x4c20 [ 407.161246] ? should_fail+0x22d/0xd01 [ 407.165133] ? rcu_irq_exit+0x1a2/0x390 [ 407.169129] ? mark_held_locks+0x130/0x130 [ 407.173369] ? mark_held_locks+0x130/0x130 [ 407.177611] ? mark_held_locks+0xc7/0x130 [ 407.181764] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 407.186779] ? zap_class+0x640/0x640 [ 407.190498] ? print_usage_bug+0xc0/0xc0 [ 407.194599] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.200136] ? check_preemption_disabled+0x48/0x280 [ 407.205166] ? __lock_is_held+0xb5/0x140 [ 407.209237] __alloc_pages_nodemask+0xa80/0xde0 [ 407.213907] ? zap_class+0x640/0x640 [ 407.217630] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 407.222659] ? find_held_lock+0x36/0x1c0 [ 407.226747] ? ____cache_alloc_node+0x1c7/0x1e0 [ 407.231422] ? lock_downgrade+0x900/0x900 [ 407.235579] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.241126] cache_grow_begin+0xa5/0x8c0 [ 407.245189] ? do_raw_spin_unlock+0xa7/0x330 [ 407.249606] fallback_alloc+0x204/0x2e0 [ 407.253591] ____cache_alloc_node+0x1c7/0x1e0 [ 407.258113] kmem_cache_alloc_node+0xe3/0x730 [ 407.262614] ? ipv6_get_ifaddr+0x42e/0x620 [ 407.266864] __alloc_skb+0x119/0x770 [ 407.270582] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 407.275863] ? netdev_alloc_frag+0x1f0/0x1f0 [ 407.280272] ? lock_downgrade+0x900/0x900 [ 407.284432] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.289982] ? refcount_sub_and_test_checked+0x203/0x310 [ 407.295444] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 407.300898] ? addrconf_rs_timer+0x690/0x690 [ 407.305322] ndisc_alloc_skb+0x144/0x340 [ 407.309391] ndisc_send_rs+0x331/0x6e0 [ 407.313284] addrconf_rs_timer+0x314/0x690 [ 407.317525] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 407.321776] call_timer_fn+0x272/0x920 [ 407.325663] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 407.329904] ? process_timeout+0x40/0x40 [ 407.333989] ? __run_timers+0x7da/0xc70 [ 407.337971] ? _raw_spin_unlock_irq+0x27/0x80 [ 407.342469] ? _raw_spin_unlock_irq+0x27/0x80 [ 407.346962] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 407.351198] ? lockdep_hardirqs_on+0x296/0x5b0 [ 407.355803] ? trace_hardirqs_on+0xbd/0x310 [ 407.360140] ? kasan_check_read+0x11/0x20 [ 407.364288] ? __run_timers+0x7da/0xc70 [ 407.368265] ? trace_hardirqs_off_caller+0x310/0x310 [ 407.373373] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 407.377614] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 407.381846] __run_timers+0x7e5/0xc70 [ 407.385659] ? timer_fixup_init+0x70/0x70 [ 407.389809] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 407.394830] ? zap_class+0x640/0x640 [ 407.398557] ? enqueue_hrtimer+0x1a5/0x560 [ 407.402798] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 407.408010] ? find_held_lock+0x36/0x1c0 [ 407.412108] ? zap_class+0x640/0x640 [ 407.415857] ? pvclock_read_flags+0x160/0x160 [ 407.420370] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.425914] ? check_preemption_disabled+0x48/0x280 [ 407.430942] ? __lock_is_held+0xb5/0x140 [ 407.435005] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.440561] ? check_preemption_disabled+0x48/0x280 [ 407.445585] run_timer_softirq+0x52/0xb0 [ 407.449651] ? rcu_read_lock_sched_held+0x14f/0x180 [ 407.454673] __do_softirq+0x308/0xb7e [ 407.458508] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 407.463012] ? lock_downgrade+0x900/0x900 [ 407.467178] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 407.472294] ? pvclock_read_flags+0x160/0x160 [ 407.476794] ? lapic_next_event+0x5a/0x90 [ 407.480947] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.486489] ? kvm_clock_read+0x18/0x30 [ 407.490467] ? kvm_sched_clock_read+0x9/0x20 [ 407.494881] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.500424] ? check_preemption_disabled+0x48/0x280 [ 407.505452] irq_exit+0x17f/0x1c0 [ 407.508910] smp_apic_timer_interrupt+0x1cb/0x760 [ 407.513752] ? smp_reschedule_interrupt+0x109/0x650 [ 407.518859] ? smp_call_function_single_interrupt+0x650/0x650 [ 407.524743] ? interrupt_entry+0xb5/0xc0 [ 407.528809] ? trace_hardirqs_off_caller+0xbb/0x310 [ 407.533827] ? trace_hardirqs_off_caller+0xbb/0x310 [ 407.538865] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 407.543726] ? trace_hardirqs_on_caller+0x310/0x310 [ 407.548746] ? trace_hardirqs_on_caller+0x310/0x310 [ 407.553778] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 407.558633] apic_timer_interrupt+0xf/0x20 [ 407.562867] [ 407.565111] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 407.570051] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7 [ 407.588952] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 407.596661] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 407.603931] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286 [ 407.611197] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000 [ 407.618465] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 407.625735] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020 [ 407.633059] skb_clone+0x1bb/0x500 [ 407.636606] ? finish_task_switch+0x2f4/0x910 [ 407.641105] ? skb_split+0x11e0/0x11e0 [ 407.645001] ? preempt_notifier_register+0x200/0x200 [ 407.650111] ? __switch_to_asm+0x34/0x70 [ 407.654175] ? __switch_to_asm+0x34/0x70 [ 407.658238] ? __switch_to_asm+0x40/0x70 [ 407.662299] ? __switch_to_asm+0x34/0x70 [ 407.666360] ? __switch_to_asm+0x40/0x70 [ 407.670419] ? __switch_to_asm+0x34/0x70 [ 407.674477] ? __switch_to_asm+0x40/0x70 [ 407.678534] ? __switch_to_asm+0x34/0x70 [ 407.682605] ? __switch_to_asm+0x34/0x70 [ 407.686669] ? __switch_to_asm+0x40/0x70 [ 407.690728] ? __switch_to_asm+0x34/0x70 [ 407.694801] bpf_clone_redirect+0xb9/0x490 [ 407.699044] ? __schedule+0x8d7/0x21d0 [ 407.702943] bpf_prog_bebbfe2050753572+0x1d8/0x1000 [ 407.707963] ? __sched_text_start+0x8/0x8 [ 407.712119] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 407.716705] ? retint_kernel+0x2d/0x2d [ 407.720599] ? trace_hardirqs_on_caller+0xc0/0x310 [ 407.725544] ? find_held_lock+0x36/0x1c0 [ 407.729616] ? lock_acquire+0x1ed/0x520 [ 407.733594] ? bpf_test_run+0x3cb/0x780 [ 407.737570] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.743115] ? check_preemption_disabled+0x48/0x280 [ 407.748144] ? kasan_check_read+0x11/0x20 [ 407.752296] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 407.757600] ? rcu_softirq_qs+0x20/0x20 [ 407.761582] ? preempt_schedule+0x4d/0x60 [ 407.765735] ? ___preempt_schedule+0x16/0x18 [ 407.770153] ? bpf_test_run+0x25d/0x780 [ 407.774146] ? netlink_diag_dump+0x2a0/0x2a0 [ 407.778564] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 407.784105] ? bpf_test_init.isra.10+0x70/0x100 [ 407.788781] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 407.793555] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 407.798399] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 407.803980] ? fput+0x130/0x1a0 [ 407.807273] ? __bpf_prog_get+0x9b/0x290 [ 407.811348] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 407.816188] ? bpf_prog_test_run+0x130/0x1a0 [ 407.820603] ? __x64_sys_bpf+0x3d8/0x520 [ 407.824666] ? bpf_prog_get+0x20/0x20 [ 407.828493] ? do_syscall_64+0x1b9/0x820 [ 407.832562] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 407.837931] ? syscall_return_slowpath+0x5e0/0x5e0 [ 407.842862] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 407.847719] ? trace_hardirqs_on_caller+0x310/0x310 [ 407.852742] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 407.857788] ? prepare_exit_to_usermode+0x291/0x3b0 [ 407.862813] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 407.867680] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 407.873062] warn_alloc_show_mem: 1 callbacks suppressed [ 407.873074] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145 [ 407.873076] Mem-Info: [ 407.873109] active_anon:51179 inactive_anon:236 isolated_anon:0 [ 407.873109] active_file:17 inactive_file:9 isolated_file:0 [ 407.873109] unevictable:0 dirty:0 writeback:0 unstable:0 [ 407.873109] slab_reclaimable:9362 slab_unreclaimable:1467319 [ 407.873109] mapped:16386 shmem:283 pagetables:457 bounce:0 [ 407.873109] free:13694 free_pcp:258 free_cma:0 [ 407.878445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 407.878454] Call Trace: [ 407.885474] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 407.887873] [ 407.920650] 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 [ 407.930007] dump_stack+0x244/0x39d [ 407.932572] lowmem_reserve[]: 0 2818 6321 6321 [ 407.960074] ? dump_stack_print_info.cold.1+0x20/0x20 [ 407.962198] Node 0 DMA32 free:24972kB 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:0kB local_pcp:0kB free_cma:0kB [ 407.988310] warn_alloc.cold.116+0xb7/0x1bd [ 407.991903] lowmem_reserve[]: 0 0 3503 3503 [ 407.996479] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 408.001644] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB [ 408.028802] ? lock_downgrade+0x900/0x900 [ 408.033094] lowmem_reserve[]: 0 0 0 0 [ 408.037418] ? trace_hardirqs_off+0xb8/0x310 [ 408.042229] 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 [ 408.071199] ? trace_hardirqs_off+0xb8/0x310 [ 408.075318] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB [ 408.079120] __alloc_pages_slowpath+0x26e8/0x2e10 [ 408.083505] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB [ 408.097082] ? warn_alloc+0x120/0x120 [ 408.101441] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 408.116692] ? print_usage_bug+0xc0/0xc0 [ 408.121512] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 408.135717] ? warn_alloc+0x120/0x120 [ 408.139496] 309 total pagecache pages [ 408.148327] ? warn_alloc+0x120/0x120 [ 408.152367] 0 pages in swap cache [ 408.160950] ? print_usage_bug+0xc0/0xc0 [ 408.164726] Swap cache stats: add 0, delete 0, find 0/0 [ 408.168515] ? kvm_clock_read+0x18/0x30 [ 408.172292] Free swap = 0kB [ 408.175738] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 408.179784] Total swap = 0kB [ 408.185140] ? print_usage_bug+0xc0/0xc0 [ 408.189092] 1965979 pages RAM [ 408.192107] ? __lock_acquire+0x62f/0x4c20 [ 408.197101] 0 pages HighMem/MovableOnly [ 408.200117] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 408.204155] 342853 pages reserved [ 408.207253] ? should_fail+0x22d/0xd01 [ 408.211464] 0 pages cma reserved [ 408.215431] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 408.221008] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 408.224395] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 408.224411] ? __lock_acquire+0x62f/0x4c20 [ 408.224429] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 408.228357] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 408.231663] ? __lock_acquire+0x62f/0x4c20 [ 408.236915] syz-executor2 cpuset=syz2 mems_allowed=0 [ 408.243398] ? should_fail+0x22d/0xd01 [ 408.281426] ? rcu_irq_exit+0x1a2/0x390 [ 408.285410] ? mark_held_locks+0x130/0x130 [ 408.289671] ? mark_held_locks+0x130/0x130 [ 408.293914] ? mark_held_locks+0xc7/0x130 [ 408.298085] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 408.303103] ? zap_class+0x640/0x640 [ 408.306817] ? print_usage_bug+0xc0/0xc0 [ 408.310888] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.316429] ? check_preemption_disabled+0x48/0x280 [ 408.321467] ? __lock_is_held+0xb5/0x140 [ 408.325539] __alloc_pages_nodemask+0xa80/0xde0 [ 408.330216] ? zap_class+0x640/0x640 [ 408.333935] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 408.338964] ? find_held_lock+0x36/0x1c0 [ 408.343098] ? ____cache_alloc_node+0x1c7/0x1e0 [ 408.347771] ? lock_downgrade+0x900/0x900 [ 408.351927] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.357473] cache_grow_begin+0xa5/0x8c0 [ 408.361535] ? do_raw_spin_unlock+0xa7/0x330 [ 408.365954] fallback_alloc+0x204/0x2e0 [ 408.369953] ____cache_alloc_node+0x1c7/0x1e0 [ 408.374453] kmem_cache_alloc_node+0xe3/0x730 [ 408.378950] ? ipv6_get_ifaddr+0x42e/0x620 [ 408.383196] __alloc_skb+0x119/0x770 [ 408.386910] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 408.392197] ? netdev_alloc_frag+0x1f0/0x1f0 [ 408.396619] ? lock_downgrade+0x900/0x900 [ 408.400783] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.406330] ? refcount_sub_and_test_checked+0x203/0x310 [ 408.411788] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 408.417243] ? addrconf_rs_timer+0x690/0x690 [ 408.421669] ndisc_alloc_skb+0x144/0x340 [ 408.425741] ndisc_send_rs+0x331/0x6e0 [ 408.429637] addrconf_rs_timer+0x314/0x690 [ 408.433878] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 408.438127] call_timer_fn+0x272/0x920 [ 408.442029] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 408.446277] ? process_timeout+0x40/0x40 [ 408.450350] ? mark_held_locks+0xc7/0x130 [ 408.454501] ? _raw_spin_unlock_irq+0x27/0x80 [ 408.459000] ? _raw_spin_unlock_irq+0x27/0x80 [ 408.463507] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 408.467751] ? lockdep_hardirqs_on+0x296/0x5b0 [ 408.472335] ? trace_hardirqs_on+0xbd/0x310 [ 408.476668] ? kasan_check_read+0x11/0x20 [ 408.480814] ? __run_timers+0x7da/0xc70 [ 408.484790] ? trace_hardirqs_off_caller+0x310/0x310 [ 408.489907] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 408.494153] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 408.498394] __run_timers+0x7e5/0xc70 [ 408.502212] ? timer_fixup_init+0x70/0x70 [ 408.506366] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 408.511387] ? zap_class+0x640/0x640 [ 408.515109] ? print_usage_bug+0xc0/0xc0 [ 408.519173] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 408.524370] ? find_held_lock+0x36/0x1c0 [ 408.528443] ? zap_class+0x640/0x640 [ 408.532166] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.537705] ? check_preemption_disabled+0x48/0x280 [ 408.542734] ? __lock_is_held+0xb5/0x140 [ 408.546795] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.552335] ? check_preemption_disabled+0x48/0x280 [ 408.557360] run_timer_softirq+0x52/0xb0 [ 408.561422] ? rcu_read_lock_sched_held+0x14f/0x180 [ 408.566444] __do_softirq+0x308/0xb7e [ 408.570253] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 408.574752] ? lock_downgrade+0x900/0x900 [ 408.578907] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 408.584033] ? pvclock_read_flags+0x160/0x160 [ 408.588555] ? lapic_next_event+0x5a/0x90 [ 408.592708] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.598251] ? kvm_clock_read+0x18/0x30 [ 408.602225] ? kvm_sched_clock_read+0x9/0x20 [ 408.606638] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.612659] ? check_preemption_disabled+0x48/0x280 [ 408.617688] irq_exit+0x17f/0x1c0 [ 408.621150] smp_apic_timer_interrupt+0x1cb/0x760 [ 408.625995] ? smp_reschedule_interrupt+0x109/0x650 [ 408.631031] ? smp_call_function_single_interrupt+0x650/0x650 [ 408.636924] ? interrupt_entry+0xb5/0xc0 [ 408.640990] ? trace_hardirqs_off_caller+0xbb/0x310 [ 408.646050] ? trace_hardirqs_off_caller+0xbb/0x310 [ 408.651077] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 408.655925] ? trace_hardirqs_on_caller+0x310/0x310 [ 408.660942] ? trace_hardirqs_on_caller+0x310/0x310 [ 408.665959] ? task_prio+0x50/0x50 [ 408.669511] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.675064] ? check_preemption_disabled+0x48/0x280 [ 408.680135] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 408.684988] apic_timer_interrupt+0xf/0x20 [ 408.689232] [ 408.691471] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 408.696662] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 408.715565] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 408.723275] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e [ 408.730555] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc [ 408.737860] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 408.745247] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000 [ 408.752515] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 408.759837] retint_kernel+0x1b/0x2d [ 408.763551] RIP: 0010:dump_stack+0x358/0x39d [ 408.767977] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 408.786879] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 408.794583] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e [ 408.801864] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 408.809131] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 408.816399] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45 [ 408.823667] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 408.830962] ? dump_stack+0x34f/0x39d [ 408.834786] ? dump_stack_print_info.cold.1+0x20/0x20 [ 408.840021] ? mark_held_locks+0x130/0x130 [ 408.844264] ? mark_held_locks+0x130/0x130 [ 408.848508] dump_header+0x27b/0xf72 [ 408.852242] ? pagefault_out_of_memory+0x197/0x197 [ 408.857183] ? __lock_acquire+0x62f/0x4c20 [ 408.861422] ? percpu_ref_get_many+0x240/0x240 [ 408.866031] ? print_usage_bug+0xc0/0xc0 [ 408.870107] ? zap_class+0x640/0x640 [ 408.873823] ? print_usage_bug+0xc0/0xc0 [ 408.877881] ? print_usage_bug+0xc0/0xc0 [ 408.881949] ? zap_class+0x640/0x640 [ 408.885669] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.891215] ? find_held_lock+0x36/0x1c0 [ 408.895286] ? mark_held_locks+0xc7/0x130 [ 408.899437] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 408.904542] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 408.909649] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 408.914238] ? trace_hardirqs_on+0xbd/0x310 [ 408.918562] ? kasan_check_read+0x11/0x20 [ 408.922709] ? ___ratelimit+0x3b4/0x672 [ 408.926689] ? trace_hardirqs_off_caller+0x310/0x310 [ 408.931794] ? trace_hardirqs_on+0x310/0x310 [ 408.936206] ? lock_downgrade+0x900/0x900 [ 408.940360] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 408.945467] ? ___ratelimit+0x3b9/0x672 [ 408.949450] ? idr_get_free+0xf70/0xf70 [ 408.953427] ? find_held_lock+0x36/0x1c0 [ 408.957503] oom_kill_process.cold.27+0x10/0x903 [ 408.962263] ? zap_class+0x640/0x640 [ 408.965983] ? check_preemption_disabled+0x48/0x280 [ 408.971047] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 408.975985] ? kasan_check_read+0x11/0x20 [ 408.980143] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 408.985423] ? oom_evaluate_task+0x540/0x540 [ 408.989835] ? find_held_lock+0x36/0x1c0 [ 408.993907] ? out_of_memory+0x974/0x1430 [ 408.998073] ? lock_downgrade+0x900/0x900 [ 409.002235] ? check_preemption_disabled+0x48/0x280 [ 409.007266] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 409.012194] ? kasan_check_read+0x11/0x20 [ 409.016341] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 409.021618] ? rcu_softirq_qs+0x20/0x20 [ 409.025602] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 409.031139] ? oom_evaluate_task+0x302/0x540 [ 409.035553] out_of_memory+0xa84/0x1430 [ 409.039546] ? oom_killer_disable+0x3a0/0x3a0 [ 409.044060] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 409.048995] ? __ww_mutex_check_waiters+0x160/0x160 [ 409.054041] __alloc_pages_slowpath+0x2354/0x2e10 [ 409.058919] ? warn_alloc+0x120/0x120 [ 409.062719] ? mark_held_locks+0x130/0x130 [ 409.066961] ? find_get_entry+0xaae/0x1120 [ 409.071207] ? filemap_map_pages+0x1a20/0x1a20 [ 409.075800] ? zap_class+0x640/0x640 [ 409.079524] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.085071] ? check_preemption_disabled+0x48/0x280 [ 409.090092] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 409.095632] ? should_fail+0x22d/0xd01 [ 409.099537] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 409.104645] ? zap_class+0x640/0x640 [ 409.108387] ? __lock_is_held+0xb5/0x140 [ 409.112458] ? mark_held_locks+0x130/0x130 [ 409.116702] ? lock_release+0xa00/0xa00 [ 409.120676] ? perf_trace_sched_process_exec+0x860/0x860 [ 409.126131] ? xa_load+0x2ba/0x460 [ 409.129676] ? lock_downgrade+0x900/0x900 [ 409.133832] ? __might_sleep+0x95/0x190 [ 409.137823] __alloc_pages_nodemask+0xa80/0xde0 [ 409.142500] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 409.147517] ? __page_cache_alloc+0x191/0x5c0 [ 409.152022] ? xa_load+0x2e1/0x460 [ 409.155589] ? xa_clear_mark+0x40/0x40 [ 409.159484] ? zap_class+0x640/0x640 [ 409.163207] ? zap_class+0x640/0x640 [ 409.166922] ? zap_class+0x640/0x640 [ 409.170637] ? __do_page_cache_readahead+0x663/0x810 [ 409.175747] ? find_held_lock+0x36/0x1c0 [ 409.179823] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 409.185370] alloc_pages_current+0x173/0x350 [ 409.189786] __page_cache_alloc+0x38c/0x5c0 [ 409.194107] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 409.199050] ? kasan_check_read+0x11/0x20 [ 409.203202] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 409.208497] ? generic_perform_write+0x6a0/0x6a0 [ 409.213258] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 409.218802] ? check_preemption_disabled+0x48/0x280 [ 409.223837] filemap_fault+0x1595/0x25f0 [ 409.227911] ? __lock_page_or_retry+0xa00/0xa00 [ 409.232584] ? mark_held_locks+0x130/0x130 [ 409.236833] ? filemap_map_pages+0xd6b/0x1a20 [ 409.241332] ? lock_downgrade+0x900/0x900 [ 409.245502] ? check_preemption_disabled+0x48/0x280 [ 409.250524] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 409.255455] ? kasan_check_read+0x11/0x20 [ 409.259608] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 409.264885] ? rcu_softirq_qs+0x20/0x20 [ 409.268874] ? filemap_map_pages+0xd92/0x1a20 [ 409.273383] ? find_get_entries_tag+0x1400/0x1400 [ 409.278228] ? ep_scan_ready_list+0xbc7/0x1050 [ 409.282813] ? trace_hardirqs_off_caller+0x310/0x310 [ 409.287935] ? lock_acquire+0x1ed/0x520 [ 409.291915] ? ext4_filemap_fault+0x7a/0xad [ 409.296244] ? lock_release+0xa00/0xa00 [ 409.300222] ? perf_trace_sched_process_exec+0x860/0x860 [ 409.305675] ? print_usage_bug+0xc0/0xc0 [ 409.309739] ? print_usage_bug+0xc0/0xc0 [ 409.313811] ? down_read+0x8d/0x120 [ 409.317439] ? ext4_filemap_fault+0x7a/0xad [ 409.321766] ? __down_interruptible+0x700/0x700 [ 409.326450] ext4_filemap_fault+0x82/0xad [ 409.330603] __do_fault+0x100/0x6b0 [ 409.334236] ? pmd_devmap_trans_unstable+0x220/0x220 [ 409.339345] ? mark_held_locks+0x130/0x130 [ 409.343585] ? mark_held_locks+0x130/0x130 [ 409.347821] ? kasan_check_read+0x11/0x20 [ 409.351970] ? ep_poll+0xffa/0x13d0 [ 409.355606] ? trace_hardirqs_off_caller+0x310/0x310 [ 409.360720] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 409.366265] __handle_mm_fault+0x3ea0/0x5be0 [ 409.370677] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.376223] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 409.381075] ? do_epoll_create+0x590/0x590 [ 409.385311] ? kasan_check_read+0x11/0x20 [ 409.389462] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 409.394737] ? rcu_softirq_qs+0x20/0x20 [ 409.398733] ? zap_class+0x640/0x640 [ 409.402449] ? zap_class+0x640/0x640 [ 409.406170] ? find_held_lock+0x36/0x1c0 [ 409.410243] ? handle_mm_fault+0x42a/0xc70 [ 409.414485] ? lock_downgrade+0x900/0x900 [ 409.418637] ? check_preemption_disabled+0x48/0x280 [ 409.423658] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 409.428594] ? kasan_check_read+0x11/0x20 [ 409.432742] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 409.438026] ? rcu_softirq_qs+0x20/0x20 [ 409.442021] ? trace_hardirqs_off_caller+0x310/0x310 [ 409.447134] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 409.452675] ? check_preemption_disabled+0x48/0x280 [ 409.457701] handle_mm_fault+0x54f/0xc70 [ 409.461769] ? __handle_mm_fault+0x5be0/0x5be0 [ 409.466359] ? find_vma+0x34/0x190 [ 409.469906] __do_page_fault+0x5e8/0xe60 [ 409.473968] ? trace_hardirqs_off+0xb8/0x310 [ 409.478379] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 409.483933] do_page_fault+0xf2/0x7e0 [ 409.487743] ? vmalloc_sync_all+0x30/0x30 [ 409.491893] ? error_entry+0x70/0xd0 [ 409.495612] ? trace_hardirqs_off_caller+0xbb/0x310 [ 409.500628] ? trace_hardirqs_on_caller+0xc0/0x310 [ 409.505560] ? syscall_return_slowpath+0x5e0/0x5e0 [ 409.510490] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 409.515333] ? trace_hardirqs_on_caller+0x310/0x310 [ 409.520363] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 409.525819] ? prepare_exit_to_usermode+0x291/0x3b0 [ 409.530838] ? page_fault+0x8/0x30 [ 409.534384] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 409.539234] ? page_fault+0x8/0x30 [ 409.542778] page_fault+0x1e/0x30 [ 409.546229] RIP: 0033:0x45df89 [ 409.549430] Code: Bad RIP value. [ 409.552793] RSP: 002b:000000c42017b850 EFLAGS: 00010246 [ 409.558158] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89 [ 409.565423] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004 [ 409.572689] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500 [ 409.579958] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8 [ 409.587225] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff [ 409.594531] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145 [ 409.594613] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 409.601912] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 409.601922] Call Trace: [ 409.608514] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 409.617748] [ 409.620319] syz-fuzzer cpuset=/ mems_allowed=0 [ 409.630544] dump_stack+0x244/0x39d [ 409.640857] ? dump_stack_print_info.cold.1+0x20/0x20 [ 409.646065] warn_alloc.cold.116+0xb7/0x1bd [ 409.650391] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 409.655240] ? lock_downgrade+0x900/0x900 [ 409.659399] ? trace_hardirqs_off+0xb8/0x310 [ 409.663818] ? trace_hardirqs_off+0xb8/0x310 [ 409.668241] __alloc_pages_slowpath+0x26e8/0x2e10 [ 409.673117] ? warn_alloc+0x120/0x120 [ 409.676927] ? print_usage_bug+0xc0/0xc0 [ 409.680991] ? warn_alloc+0x120/0x120 [ 409.684806] ? warn_alloc+0x120/0x120 [ 409.688610] ? print_usage_bug+0xc0/0xc0 [ 409.692681] ? print_usage_bug+0xc0/0xc0 [ 409.696747] ? __lock_acquire+0x62f/0x4c20 [ 409.700990] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 409.706542] ? should_fail+0x22d/0xd01 [ 409.710436] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 409.715547] ? __lock_acquire+0x62f/0x4c20 [ 409.719789] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 409.724895] ? __lock_acquire+0x62f/0x4c20 [ 409.729130] ? should_fail+0x22d/0xd01 [ 409.733026] ? find_held_lock+0x36/0x1c0 [ 409.737103] ? mark_held_locks+0x130/0x130 [ 409.741343] ? mark_held_locks+0x130/0x130 [ 409.746036] ? zap_class+0x640/0x640 [ 409.749766] ? zap_class+0x640/0x640 [ 409.753483] ? print_usage_bug+0xc0/0xc0 [ 409.757550] ? do_raw_spin_unlock+0xa7/0x330 [ 409.761959] ? zap_class+0x640/0x640 [ 409.765676] ? print_usage_bug+0xc0/0xc0 [ 409.769737] ? wq_watchdog_touch+0x9c/0xfe [ 409.773980] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.779529] ? check_preemption_disabled+0x48/0x280 [ 409.784566] ? __lock_is_held+0xb5/0x140 [ 409.788639] __alloc_pages_nodemask+0xa80/0xde0 [ 409.793311] ? zap_class+0x640/0x640 [ 409.797038] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 409.802073] ? find_held_lock+0x36/0x1c0 [ 409.806148] ? ____cache_alloc_node+0x1c7/0x1e0 [ 409.810820] ? lock_downgrade+0x900/0x900 [ 409.814981] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.820535] cache_grow_begin+0xa5/0x8c0 [ 409.824602] ? do_raw_spin_unlock+0xa7/0x330 [ 409.829026] fallback_alloc+0x204/0x2e0 [ 409.833035] ____cache_alloc_node+0x1c7/0x1e0 [ 409.837547] kmem_cache_alloc_node+0xe3/0x730 [ 409.842054] ? ipv6_get_ifaddr+0x42e/0x620 [ 409.846316] __alloc_skb+0x119/0x770 [ 409.850038] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 409.855320] ? netdev_alloc_frag+0x1f0/0x1f0 [ 409.859735] ? lock_downgrade+0x900/0x900 [ 409.863897] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.869439] ? refcount_sub_and_test_checked+0x203/0x310 [ 409.874894] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 409.880346] ? addrconf_rs_timer+0x690/0x690 [ 409.884772] ndisc_alloc_skb+0x144/0x340 [ 409.888838] ndisc_send_rs+0x331/0x6e0 [ 409.892731] addrconf_rs_timer+0x314/0x690 [ 409.896978] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 409.901223] call_timer_fn+0x272/0x920 [ 409.905111] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 409.909349] ? process_timeout+0x40/0x40 [ 409.913421] ? __run_timers+0x7da/0xc70 [ 409.917400] ? _raw_spin_unlock_irq+0x27/0x80 [ 409.921897] ? _raw_spin_unlock_irq+0x27/0x80 [ 409.926391] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 409.930630] ? lockdep_hardirqs_on+0x296/0x5b0 [ 409.935218] ? trace_hardirqs_on+0xbd/0x310 [ 409.939545] ? kasan_check_read+0x11/0x20 [ 409.943709] ? __run_timers+0x7da/0xc70 [ 409.947692] ? trace_hardirqs_off_caller+0x310/0x310 [ 409.952804] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 409.957058] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 409.961300] __run_timers+0x7e5/0xc70 [ 409.965127] ? timer_fixup_init+0x70/0x70 [ 409.969278] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 409.974295] ? zap_class+0x640/0x640 [ 409.978025] ? enqueue_hrtimer+0x1a5/0x560 [ 409.982265] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 409.987466] ? find_held_lock+0x36/0x1c0 [ 409.991565] ? zap_class+0x640/0x640 [ 409.995299] ? pvclock_read_flags+0x160/0x160 [ 409.999797] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.005340] ? check_preemption_disabled+0x48/0x280 [ 410.010370] ? __lock_is_held+0xb5/0x140 [ 410.014438] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.019976] ? check_preemption_disabled+0x48/0x280 [ 410.025003] run_timer_softirq+0x52/0xb0 [ 410.029075] ? rcu_read_lock_sched_held+0x14f/0x180 [ 410.034092] __do_softirq+0x308/0xb7e [ 410.037897] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 410.042394] ? lock_downgrade+0x900/0x900 [ 410.046557] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 410.051680] ? pvclock_read_flags+0x160/0x160 [ 410.056182] ? lapic_next_event+0x5a/0x90 [ 410.060335] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.065879] ? kvm_clock_read+0x18/0x30 [ 410.069853] ? kvm_sched_clock_read+0x9/0x20 [ 410.074265] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.079810] ? check_preemption_disabled+0x48/0x280 [ 410.084841] irq_exit+0x17f/0x1c0 [ 410.088297] smp_apic_timer_interrupt+0x1cb/0x760 [ 410.093141] ? smp_reschedule_interrupt+0x109/0x650 [ 410.098162] ? smp_call_function_single_interrupt+0x650/0x650 [ 410.104049] ? interrupt_entry+0xb5/0xc0 [ 410.108120] ? trace_hardirqs_off_caller+0xbb/0x310 [ 410.113138] ? trace_hardirqs_off_caller+0xbb/0x310 [ 410.118159] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 410.123006] ? trace_hardirqs_on_caller+0x310/0x310 [ 410.128038] ? trace_hardirqs_on_caller+0x310/0x310 [ 410.133072] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 410.137927] apic_timer_interrupt+0xf/0x20 [ 410.142155] [ 410.144414] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 410.149345] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7 [ 410.168248] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 410.175954] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 410.183220] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286 [ 410.190488] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000 [ 410.197753] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 410.205026] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020 [ 410.212342] skb_clone+0x1bb/0x500 [ 410.215888] ? finish_task_switch+0x2f4/0x910 [ 410.220387] ? skb_split+0x11e0/0x11e0 [ 410.224284] ? preempt_notifier_register+0x200/0x200 [ 410.229385] ? __switch_to_asm+0x34/0x70 [ 410.233448] ? __switch_to_asm+0x34/0x70 [ 410.237510] ? __switch_to_asm+0x40/0x70 [ 410.241572] ? __switch_to_asm+0x34/0x70 [ 410.245631] ? __switch_to_asm+0x40/0x70 [ 410.249688] ? __switch_to_asm+0x34/0x70 [ 410.253749] ? __switch_to_asm+0x40/0x70 [ 410.257807] ? __switch_to_asm+0x34/0x70 [ 410.261868] ? __switch_to_asm+0x34/0x70 [ 410.265926] ? __switch_to_asm+0x40/0x70 [ 410.270071] ? __switch_to_asm+0x34/0x70 [ 410.274138] bpf_clone_redirect+0xb9/0x490 [ 410.278376] ? __schedule+0x8d7/0x21d0 [ 410.282273] bpf_prog_bebbfe2050753572+0x1d8/0x1000 [ 410.287294] ? __sched_text_start+0x8/0x8 [ 410.291448] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 410.296036] ? retint_kernel+0x2d/0x2d [ 410.299926] ? trace_hardirqs_on_caller+0xc0/0x310 [ 410.304860] ? find_held_lock+0x36/0x1c0 [ 410.308929] ? lock_acquire+0x1ed/0x520 [ 410.312905] ? bpf_test_run+0x3cb/0x780 [ 410.316881] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.322422] ? check_preemption_disabled+0x48/0x280 [ 410.327448] ? kasan_check_read+0x11/0x20 [ 410.331600] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 410.336876] ? rcu_softirq_qs+0x20/0x20 [ 410.340855] ? preempt_schedule+0x4d/0x60 [ 410.345023] ? ___preempt_schedule+0x16/0x18 [ 410.349540] ? bpf_test_run+0x25d/0x780 [ 410.353528] ? netlink_diag_dump+0x2a0/0x2a0 [ 410.357960] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 410.363498] ? bpf_test_init.isra.10+0x70/0x100 [ 410.368197] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 410.372962] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 410.377804] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 410.383342] ? fput+0x130/0x1a0 [ 410.386626] ? __bpf_prog_get+0x9b/0x290 [ 410.390696] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 410.395547] ? bpf_prog_test_run+0x130/0x1a0 [ 410.399995] ? __x64_sys_bpf+0x3d8/0x520 [ 410.404062] ? bpf_prog_get+0x20/0x20 [ 410.407885] ? do_syscall_64+0x1b9/0x820 [ 410.411945] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 410.417310] ? syscall_return_slowpath+0x5e0/0x5e0 [ 410.422240] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 410.427087] ? trace_hardirqs_on_caller+0x310/0x310 [ 410.432125] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 410.437149] ? prepare_exit_to_usermode+0x291/0x3b0 [ 410.442172] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 410.447034] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 410.452412] warn_alloc_show_mem: 1 callbacks suppressed [ 410.452424] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145 [ 410.452426] Mem-Info: [ 410.452459] active_anon:51179 inactive_anon:236 isolated_anon:0 [ 410.452459] active_file:17 inactive_file:9 isolated_file:0 [ 410.452459] unevictable:0 dirty:0 writeback:0 unstable:0 [ 410.452459] slab_reclaimable:9362 slab_unreclaimable:1467319 [ 410.452459] mapped:16386 shmem:283 pagetables:457 bounce:0 [ 410.452459] free:13694 free_pcp:258 free_cma:0 [ 410.457794] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 410.464814] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 410.467218] Call Trace: [ 410.499998] 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 [ 410.509347] [ 410.536828] lowmem_reserve[]: 0 2818 6321 6321 [ 410.539412] dump_stack+0x244/0x39d [ 410.565579] Node 0 DMA32 free:24972kB 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:0kB local_pcp:0kB free_cma:0kB [ 410.567727] ? dump_stack_print_info.cold.1+0x20/0x20 [ 410.572298] lowmem_reserve[]: 0 0 3503 3503 [ 410.576103] warn_alloc.cold.116+0xb7/0x1bd [ 410.603224] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB [ 410.608408] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 410.612795] lowmem_reserve[]: 0 0 0 0 [ 410.617135] ? lock_downgrade+0x900/0x900 [ 410.646174] 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 [ 410.651025] ? trace_hardirqs_off+0xb8/0x310 [ 410.654792] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB [ 410.658934] ? trace_hardirqs_off+0xb8/0x310 [ 410.672438] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB [ 410.676850] __alloc_pages_slowpath+0x26e8/0x2e10 [ 410.692023] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 410.696451] ? warn_alloc+0x120/0x120 [ 410.710629] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 410.715463] ? print_usage_bug+0xc0/0xc0 [ 410.724269] 309 total pagecache pages [ 410.728080] ? warn_alloc+0x120/0x120 [ 410.736635] 0 pages in swap cache [ 410.740689] ? warn_alloc+0x120/0x120 [ 410.744940] Swap cache stats: add 0, delete 0, find 0/0 [ 410.744950] Free swap = 0kB [ 410.748785] ? print_usage_bug+0xc0/0xc0 [ 410.752213] Total swap = 0kB [ 410.756009] ? kvm_clock_read+0x18/0x30 [ 410.761361] 1965979 pages RAM [ 410.764385] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 410.768422] 0 pages HighMem/MovableOnly [ 410.771439] ? print_usage_bug+0xc0/0xc0 [ 410.775390] 342853 pages reserved [ 410.778489] ? __lock_acquire+0x62f/0x4c20 [ 410.783484] 0 pages cma reserved [ 410.787453] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 410.791557] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 410.794934] ? should_fail+0x22d/0xd01 [ 410.794947] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 410.794969] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 410.799238] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 410.802544] ? __lock_acquire+0x62f/0x4c20 [ 410.808070] syz-executor2 cpuset=syz2 mems_allowed=0 [ 410.814555] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 410.814572] ? __lock_acquire+0x62f/0x4c20 [ 410.857865] ? should_fail+0x22d/0xd01 [ 410.861753] ? rcu_irq_exit+0x1a2/0x390 [ 410.865742] ? mark_held_locks+0x130/0x130 [ 410.869988] ? mark_held_locks+0x130/0x130 [ 410.874237] ? mark_held_locks+0xc7/0x130 [ 410.878387] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 410.883404] ? zap_class+0x640/0x640 [ 410.887123] ? print_usage_bug+0xc0/0xc0 [ 410.891197] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.896739] ? check_preemption_disabled+0x48/0x280 [ 410.901768] ? __lock_is_held+0xb5/0x140 [ 410.905835] __alloc_pages_nodemask+0xa80/0xde0 [ 410.910505] ? zap_class+0x640/0x640 [ 410.914228] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 410.919263] ? find_held_lock+0x36/0x1c0 [ 410.923336] ? ____cache_alloc_node+0x1c7/0x1e0 [ 410.928007] ? lock_downgrade+0x900/0x900 [ 410.932179] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.937722] cache_grow_begin+0xa5/0x8c0 [ 410.941787] ? do_raw_spin_unlock+0xa7/0x330 [ 410.946205] fallback_alloc+0x204/0x2e0 [ 410.950189] ____cache_alloc_node+0x1c7/0x1e0 [ 410.954694] kmem_cache_alloc_node+0xe3/0x730 [ 410.959196] ? ipv6_get_ifaddr+0x42e/0x620 [ 410.963442] __alloc_skb+0x119/0x770 [ 410.967160] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 410.972441] ? netdev_alloc_frag+0x1f0/0x1f0 [ 410.976853] ? lock_downgrade+0x900/0x900 [ 410.981021] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.986565] ? refcount_sub_and_test_checked+0x203/0x310 [ 410.992028] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 410.997490] ? addrconf_rs_timer+0x690/0x690 [ 411.001915] ndisc_alloc_skb+0x144/0x340 [ 411.005984] ndisc_send_rs+0x331/0x6e0 [ 411.009887] addrconf_rs_timer+0x314/0x690 [ 411.014134] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 411.018381] call_timer_fn+0x272/0x920 [ 411.022270] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 411.026504] ? process_timeout+0x40/0x40 [ 411.030582] ? mark_held_locks+0xc7/0x130 [ 411.034736] ? _raw_spin_unlock_irq+0x27/0x80 [ 411.039229] ? _raw_spin_unlock_irq+0x27/0x80 [ 411.043723] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 411.047965] ? lockdep_hardirqs_on+0x296/0x5b0 [ 411.052549] ? trace_hardirqs_on+0xbd/0x310 [ 411.056872] ? kasan_check_read+0x11/0x20 [ 411.061026] ? __run_timers+0x7da/0xc70 [ 411.065012] ? trace_hardirqs_off_caller+0x310/0x310 [ 411.070141] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 411.074381] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 411.078618] __run_timers+0x7e5/0xc70 [ 411.082430] ? timer_fixup_init+0x70/0x70 [ 411.086583] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 411.091606] ? zap_class+0x640/0x640 [ 411.095349] ? print_usage_bug+0xc0/0xc0 [ 411.099419] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 411.104616] ? find_held_lock+0x36/0x1c0 [ 411.108685] ? zap_class+0x640/0x640 [ 411.112409] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.117961] ? check_preemption_disabled+0x48/0x280 [ 411.122989] ? __lock_is_held+0xb5/0x140 [ 411.127082] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.132625] ? check_preemption_disabled+0x48/0x280 [ 411.137649] run_timer_softirq+0x52/0xb0 [ 411.141717] ? rcu_read_lock_sched_held+0x14f/0x180 [ 411.146735] __do_softirq+0x308/0xb7e [ 411.150538] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 411.155052] ? lock_downgrade+0x900/0x900 [ 411.159211] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 411.164328] ? pvclock_read_flags+0x160/0x160 [ 411.168827] ? lapic_next_event+0x5a/0x90 [ 411.172979] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.178523] ? kvm_clock_read+0x18/0x30 [ 411.182502] ? kvm_sched_clock_read+0x9/0x20 [ 411.186918] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.192462] ? check_preemption_disabled+0x48/0x280 [ 411.197491] irq_exit+0x17f/0x1c0 [ 411.200952] smp_apic_timer_interrupt+0x1cb/0x760 [ 411.205813] ? smp_reschedule_interrupt+0x109/0x650 [ 411.210833] ? smp_call_function_single_interrupt+0x650/0x650 [ 411.216719] ? interrupt_entry+0xb5/0xc0 [ 411.220787] ? trace_hardirqs_off_caller+0xbb/0x310 [ 411.225806] ? trace_hardirqs_off_caller+0xbb/0x310 [ 411.230827] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 411.235675] ? trace_hardirqs_on_caller+0x310/0x310 [ 411.240693] ? trace_hardirqs_on_caller+0x310/0x310 [ 411.245714] ? task_prio+0x50/0x50 [ 411.249261] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.254811] ? check_preemption_disabled+0x48/0x280 [ 411.259839] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 411.264693] apic_timer_interrupt+0xf/0x20 [ 411.268921] [ 411.271174] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 411.276365] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 411.295267] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 411.302985] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e [ 411.310261] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc [ 411.317533] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 411.324803] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000 [ 411.332085] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 411.339391] retint_kernel+0x1b/0x2d [ 411.343113] RIP: 0010:dump_stack+0x358/0x39d [ 411.347526] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 411.366428] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 411.374139] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e [ 411.381410] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 411.388692] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 411.395970] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45 [ 411.403238] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 411.410531] ? dump_stack+0x34f/0x39d [ 411.414348] ? dump_stack_print_info.cold.1+0x20/0x20 [ 411.419543] ? mark_held_locks+0x130/0x130 [ 411.423783] ? mark_held_locks+0x130/0x130 [ 411.428034] dump_header+0x27b/0xf72 [ 411.431772] ? pagefault_out_of_memory+0x197/0x197 [ 411.436711] ? __lock_acquire+0x62f/0x4c20 [ 411.440954] ? percpu_ref_get_many+0x240/0x240 [ 411.445543] ? print_usage_bug+0xc0/0xc0 [ 411.449611] ? zap_class+0x640/0x640 [ 411.453328] ? print_usage_bug+0xc0/0xc0 [ 411.457390] ? print_usage_bug+0xc0/0xc0 [ 411.461474] ? zap_class+0x640/0x640 [ 411.465196] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.470739] ? find_held_lock+0x36/0x1c0 [ 411.474814] ? mark_held_locks+0xc7/0x130 [ 411.478968] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 411.484072] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 411.489178] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 411.493765] ? trace_hardirqs_on+0xbd/0x310 [ 411.498091] ? kasan_check_read+0x11/0x20 [ 411.502243] ? ___ratelimit+0x3b4/0x672 [ 411.506220] ? trace_hardirqs_off_caller+0x310/0x310 [ 411.511326] ? trace_hardirqs_on+0x310/0x310 [ 411.515736] ? lock_downgrade+0x900/0x900 [ 411.519893] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 411.524999] ? ___ratelimit+0x3b9/0x672 [ 411.528988] ? idr_get_free+0xf70/0xf70 [ 411.532972] ? find_held_lock+0x36/0x1c0 [ 411.537058] oom_kill_process.cold.27+0x10/0x903 [ 411.541833] ? zap_class+0x640/0x640 [ 411.545559] ? check_preemption_disabled+0x48/0x280 [ 411.550580] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 411.555522] ? kasan_check_read+0x11/0x20 [ 411.559676] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 411.564956] ? oom_evaluate_task+0x540/0x540 [ 411.569375] ? find_held_lock+0x36/0x1c0 [ 411.573445] ? out_of_memory+0x974/0x1430 [ 411.577597] ? lock_downgrade+0x900/0x900 [ 411.581753] ? check_preemption_disabled+0x48/0x280 [ 411.586775] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 411.591710] ? kasan_check_read+0x11/0x20 [ 411.595863] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 411.601145] ? rcu_softirq_qs+0x20/0x20 [ 411.605127] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 411.610667] ? oom_evaluate_task+0x302/0x540 [ 411.615091] out_of_memory+0xa84/0x1430 [ 411.619085] ? oom_killer_disable+0x3a0/0x3a0 [ 411.623583] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 411.628519] ? __ww_mutex_check_waiters+0x160/0x160 [ 411.633551] __alloc_pages_slowpath+0x2354/0x2e10 [ 411.638425] ? warn_alloc+0x120/0x120 [ 411.642236] ? mark_held_locks+0x130/0x130 [ 411.646478] ? find_get_entry+0xaae/0x1120 [ 411.650723] ? filemap_map_pages+0x1a20/0x1a20 [ 411.655316] ? zap_class+0x640/0x640 [ 411.659050] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.664592] ? check_preemption_disabled+0x48/0x280 [ 411.669609] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 411.675147] ? should_fail+0x22d/0xd01 [ 411.679064] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 411.684171] ? zap_class+0x640/0x640 [ 411.687942] ? __lock_is_held+0xb5/0x140 [ 411.692021] ? mark_held_locks+0x130/0x130 [ 411.696279] ? lock_release+0xa00/0xa00 [ 411.700255] ? perf_trace_sched_process_exec+0x860/0x860 [ 411.705706] ? xa_load+0x2ba/0x460 [ 411.709251] ? lock_downgrade+0x900/0x900 [ 411.713407] ? __might_sleep+0x95/0x190 [ 411.717389] __alloc_pages_nodemask+0xa80/0xde0 [ 411.722072] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 411.727092] ? __page_cache_alloc+0x191/0x5c0 [ 411.731585] ? xa_load+0x2e1/0x460 [ 411.735133] ? xa_clear_mark+0x40/0x40 [ 411.739031] ? zap_class+0x640/0x640 [ 411.742763] ? zap_class+0x640/0x640 [ 411.746491] ? zap_class+0x640/0x640 [ 411.750208] ? __do_page_cache_readahead+0x663/0x810 [ 411.755316] ? find_held_lock+0x36/0x1c0 [ 411.759385] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 411.764934] alloc_pages_current+0x173/0x350 [ 411.769367] __page_cache_alloc+0x38c/0x5c0 [ 411.773699] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 411.778633] ? kasan_check_read+0x11/0x20 [ 411.782783] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 411.788094] ? generic_perform_write+0x6a0/0x6a0 [ 411.792866] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 411.798421] ? check_preemption_disabled+0x48/0x280 [ 411.803448] filemap_fault+0x1595/0x25f0 [ 411.807524] ? __lock_page_or_retry+0xa00/0xa00 [ 411.812197] ? mark_held_locks+0x130/0x130 [ 411.816444] ? filemap_map_pages+0xd6b/0x1a20 [ 411.820965] ? lock_downgrade+0x900/0x900 [ 411.825112] ? check_preemption_disabled+0x48/0x280 [ 411.830133] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 411.835069] ? kasan_check_read+0x11/0x20 [ 411.839222] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 411.844498] ? rcu_softirq_qs+0x20/0x20 [ 411.848486] ? filemap_map_pages+0xd92/0x1a20 [ 411.852995] ? find_get_entries_tag+0x1400/0x1400 [ 411.857850] ? ep_scan_ready_list+0xbc7/0x1050 [ 411.862469] ? trace_hardirqs_off_caller+0x310/0x310 [ 411.867589] ? lock_acquire+0x1ed/0x520 [ 411.871562] ? ext4_filemap_fault+0x7a/0xad [ 411.875906] ? lock_release+0xa00/0xa00 [ 411.879879] ? perf_trace_sched_process_exec+0x860/0x860 [ 411.885331] ? print_usage_bug+0xc0/0xc0 [ 411.889397] ? print_usage_bug+0xc0/0xc0 [ 411.893472] ? down_read+0x8d/0x120 [ 411.897097] ? ext4_filemap_fault+0x7a/0xad [ 411.901421] ? __down_interruptible+0x700/0x700 [ 411.906105] ext4_filemap_fault+0x82/0xad [ 411.910260] __do_fault+0x100/0x6b0 [ 411.913903] ? pmd_devmap_trans_unstable+0x220/0x220 [ 411.919044] ? mark_held_locks+0x130/0x130 [ 411.923288] ? mark_held_locks+0x130/0x130 [ 411.927525] ? kasan_check_read+0x11/0x20 [ 411.931691] ? ep_poll+0xffa/0x13d0 [ 411.935321] ? trace_hardirqs_off_caller+0x310/0x310 [ 411.940437] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 411.945981] __handle_mm_fault+0x3ea0/0x5be0 [ 411.950422] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.955983] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 411.960837] ? do_epoll_create+0x590/0x590 [ 411.965072] ? kasan_check_read+0x11/0x20 [ 411.969220] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 411.974501] ? rcu_softirq_qs+0x20/0x20 [ 411.978492] ? zap_class+0x640/0x640 [ 411.982206] ? zap_class+0x640/0x640 [ 411.985928] ? find_held_lock+0x36/0x1c0 [ 411.990002] ? handle_mm_fault+0x42a/0xc70 [ 411.994252] ? lock_downgrade+0x900/0x900 [ 411.998415] ? check_preemption_disabled+0x48/0x280 [ 412.003439] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 412.008370] ? kasan_check_read+0x11/0x20 [ 412.012531] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 412.017834] ? rcu_softirq_qs+0x20/0x20 [ 412.021816] ? trace_hardirqs_off_caller+0x310/0x310 [ 412.026921] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 412.032468] ? check_preemption_disabled+0x48/0x280 [ 412.037502] handle_mm_fault+0x54f/0xc70 [ 412.041587] ? __handle_mm_fault+0x5be0/0x5be0 [ 412.046188] ? find_vma+0x34/0x190 [ 412.049738] __do_page_fault+0x5e8/0xe60 [ 412.053799] ? trace_hardirqs_off+0xb8/0x310 [ 412.058211] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 412.063759] do_page_fault+0xf2/0x7e0 [ 412.067562] ? vmalloc_sync_all+0x30/0x30 [ 412.071714] ? error_entry+0x70/0xd0 [ 412.075435] ? trace_hardirqs_off_caller+0xbb/0x310 [ 412.080450] ? trace_hardirqs_on_caller+0xc0/0x310 [ 412.085379] ? syscall_return_slowpath+0x5e0/0x5e0 [ 412.090312] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 412.095156] ? trace_hardirqs_on_caller+0x310/0x310 [ 412.100173] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 412.105634] ? prepare_exit_to_usermode+0x291/0x3b0 [ 412.110652] ? page_fault+0x8/0x30 [ 412.114197] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 412.119055] ? page_fault+0x8/0x30 [ 412.122597] page_fault+0x1e/0x30 [ 412.126056] RIP: 0033:0x45df89 [ 412.129267] Code: Bad RIP value. [ 412.132630] RSP: 002b:000000c42017b850 EFLAGS: 00010246 [ 412.138004] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89 [ 412.145298] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004 [ 412.152569] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500 [ 412.159834] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8 [ 412.167102] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff [ 412.174398] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145 [ 412.174477] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 412.181762] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 412.181771] Call Trace: [ 412.188343] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 412.197590] [ 412.200159] syz-fuzzer cpuset=/ mems_allowed=0 [ 412.210382] dump_stack+0x244/0x39d [ 412.220696] ? dump_stack_print_info.cold.1+0x20/0x20 [ 412.225902] warn_alloc.cold.116+0xb7/0x1bd [ 412.230231] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 412.235092] ? lock_downgrade+0x900/0x900 [ 412.239250] ? trace_hardirqs_off+0xb8/0x310 [ 412.243667] ? trace_hardirqs_off+0xb8/0x310 [ 412.248090] __alloc_pages_slowpath+0x26e8/0x2e10 [ 412.252961] ? warn_alloc+0x120/0x120 [ 412.256768] ? print_usage_bug+0xc0/0xc0 [ 412.260833] ? warn_alloc+0x120/0x120 [ 412.264641] ? warn_alloc+0x120/0x120 [ 412.268462] ? print_usage_bug+0xc0/0xc0 [ 412.272533] ? print_usage_bug+0xc0/0xc0 [ 412.276603] ? __lock_acquire+0x62f/0x4c20 [ 412.280862] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 412.286402] ? should_fail+0x22d/0xd01 [ 412.290295] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 412.295409] ? __lock_acquire+0x62f/0x4c20 [ 412.299651] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 412.304782] ? __lock_acquire+0x62f/0x4c20 [ 412.309027] ? should_fail+0x22d/0xd01 [ 412.312920] ? find_held_lock+0x36/0x1c0 [ 412.317027] ? mark_held_locks+0x130/0x130 [ 412.321277] ? mark_held_locks+0x130/0x130 [ 412.325512] ? zap_class+0x640/0x640 [ 412.329238] ? zap_class+0x640/0x640 [ 412.332960] ? print_usage_bug+0xc0/0xc0 [ 412.337027] ? do_raw_spin_unlock+0xa7/0x330 [ 412.341437] ? zap_class+0x640/0x640 [ 412.345151] ? print_usage_bug+0xc0/0xc0 [ 412.349249] ? wq_watchdog_touch+0x9c/0xfe [ 412.353494] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.359057] ? check_preemption_disabled+0x48/0x280 [ 412.364089] ? __lock_is_held+0xb5/0x140 [ 412.368158] __alloc_pages_nodemask+0xa80/0xde0 [ 412.372828] ? zap_class+0x640/0x640 [ 412.376552] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 412.381587] ? find_held_lock+0x36/0x1c0 [ 412.385659] ? ____cache_alloc_node+0x1c7/0x1e0 [ 412.390329] ? lock_downgrade+0x900/0x900 [ 412.394504] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.400062] cache_grow_begin+0xa5/0x8c0 [ 412.404125] ? do_raw_spin_unlock+0xa7/0x330 [ 412.408547] fallback_alloc+0x204/0x2e0 [ 412.412532] ____cache_alloc_node+0x1c7/0x1e0 [ 412.417074] kmem_cache_alloc_node+0xe3/0x730 [ 412.421587] ? ipv6_get_ifaddr+0x42e/0x620 [ 412.425847] __alloc_skb+0x119/0x770 [ 412.429566] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 412.434848] ? netdev_alloc_frag+0x1f0/0x1f0 [ 412.439267] ? lock_downgrade+0x900/0x900 [ 412.443446] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.448990] ? refcount_sub_and_test_checked+0x203/0x310 [ 412.454456] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 412.459912] ? addrconf_rs_timer+0x690/0x690 [ 412.464332] ndisc_alloc_skb+0x144/0x340 [ 412.468403] ndisc_send_rs+0x331/0x6e0 [ 412.472296] addrconf_rs_timer+0x314/0x690 [ 412.476542] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 412.480791] call_timer_fn+0x272/0x920 [ 412.484679] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 412.488915] ? process_timeout+0x40/0x40 [ 412.492987] ? __run_timers+0x7da/0xc70 [ 412.496976] ? _raw_spin_unlock_irq+0x27/0x80 [ 412.501475] ? _raw_spin_unlock_irq+0x27/0x80 [ 412.505968] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 412.510208] ? lockdep_hardirqs_on+0x296/0x5b0 [ 412.514801] ? trace_hardirqs_on+0xbd/0x310 [ 412.519124] ? kasan_check_read+0x11/0x20 [ 412.523274] ? __run_timers+0x7da/0xc70 [ 412.527267] ? trace_hardirqs_off_caller+0x310/0x310 [ 412.532377] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 412.536619] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 412.540854] __run_timers+0x7e5/0xc70 [ 412.544671] ? timer_fixup_init+0x70/0x70 [ 412.548824] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 412.553843] ? zap_class+0x640/0x640 [ 412.557568] ? enqueue_hrtimer+0x1a5/0x560 [ 412.561807] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 412.567007] ? find_held_lock+0x36/0x1c0 [ 412.571084] ? zap_class+0x640/0x640 [ 412.574805] ? pvclock_read_flags+0x160/0x160 [ 412.579306] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.584850] ? check_preemption_disabled+0x48/0x280 [ 412.589880] ? __lock_is_held+0xb5/0x140 [ 412.593945] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.599486] ? check_preemption_disabled+0x48/0x280 [ 412.604511] run_timer_softirq+0x52/0xb0 [ 412.608578] ? rcu_read_lock_sched_held+0x14f/0x180 [ 412.613782] __do_softirq+0x308/0xb7e [ 412.617588] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 412.622085] ? lock_downgrade+0x900/0x900 [ 412.626239] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 412.631351] ? pvclock_read_flags+0x160/0x160 [ 412.635872] ? lapic_next_event+0x5a/0x90 [ 412.640036] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.645582] ? kvm_clock_read+0x18/0x30 [ 412.649561] ? kvm_sched_clock_read+0x9/0x20 [ 412.653974] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.659519] ? check_preemption_disabled+0x48/0x280 [ 412.664555] irq_exit+0x17f/0x1c0 [ 412.668012] smp_apic_timer_interrupt+0x1cb/0x760 [ 412.672873] ? smp_reschedule_interrupt+0x109/0x650 [ 412.677890] ? smp_call_function_single_interrupt+0x650/0x650 [ 412.683879] ? interrupt_entry+0xb5/0xc0 [ 412.687948] ? trace_hardirqs_off_caller+0xbb/0x310 [ 412.692964] ? trace_hardirqs_off_caller+0xbb/0x310 [ 412.697983] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 412.702838] ? trace_hardirqs_on_caller+0x310/0x310 [ 412.707859] ? trace_hardirqs_on_caller+0x310/0x310 [ 412.712892] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 412.717749] apic_timer_interrupt+0xf/0x20 [ 412.721980] [ 412.724228] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 412.729159] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7 [ 412.748507] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 412.756224] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 412.763497] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286 [ 412.770782] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000 [ 412.778080] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 412.785354] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020 [ 412.792669] skb_clone+0x1bb/0x500 [ 412.796217] ? finish_task_switch+0x2f4/0x910 [ 412.800715] ? skb_split+0x11e0/0x11e0 [ 412.804606] ? preempt_notifier_register+0x200/0x200 [ 412.809709] ? __switch_to_asm+0x34/0x70 [ 412.813769] ? __switch_to_asm+0x34/0x70 [ 412.817827] ? __switch_to_asm+0x40/0x70 [ 412.821886] ? __switch_to_asm+0x34/0x70 [ 412.825944] ? __switch_to_asm+0x40/0x70 [ 412.830007] ? __switch_to_asm+0x34/0x70 [ 412.834081] ? __switch_to_asm+0x40/0x70 [ 412.838140] ? __switch_to_asm+0x34/0x70 [ 412.842210] ? __switch_to_asm+0x34/0x70 [ 412.846272] ? __switch_to_asm+0x40/0x70 [ 412.850335] ? __switch_to_asm+0x34/0x70 [ 412.854406] bpf_clone_redirect+0xb9/0x490 [ 412.858649] ? __schedule+0x8d7/0x21d0 [ 412.862551] bpf_prog_bebbfe2050753572+0x1d8/0x1000 [ 412.867579] ? __sched_text_start+0x8/0x8 [ 412.871734] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 412.876335] ? retint_kernel+0x2d/0x2d [ 412.880226] ? trace_hardirqs_on_caller+0xc0/0x310 [ 412.885167] ? find_held_lock+0x36/0x1c0 [ 412.889240] ? lock_acquire+0x1ed/0x520 [ 412.893217] ? bpf_test_run+0x3cb/0x780 [ 412.897199] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.902741] ? check_preemption_disabled+0x48/0x280 [ 412.907768] ? kasan_check_read+0x11/0x20 [ 412.911924] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 412.917201] ? rcu_softirq_qs+0x20/0x20 [ 412.921180] ? preempt_schedule+0x4d/0x60 [ 412.925333] ? ___preempt_schedule+0x16/0x18 [ 412.929756] ? bpf_test_run+0x25d/0x780 [ 412.933742] ? netlink_diag_dump+0x2a0/0x2a0 [ 412.938162] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 412.943719] ? bpf_test_init.isra.10+0x70/0x100 [ 412.948405] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 412.953178] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 412.958032] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 412.963574] ? fput+0x130/0x1a0 [ 412.966857] ? __bpf_prog_get+0x9b/0x290 [ 412.970924] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 412.975765] ? bpf_prog_test_run+0x130/0x1a0 [ 412.980193] ? __x64_sys_bpf+0x3d8/0x520 [ 412.984258] ? bpf_prog_get+0x20/0x20 [ 412.988084] ? do_syscall_64+0x1b9/0x820 [ 412.992149] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 412.997520] ? syscall_return_slowpath+0x5e0/0x5e0 [ 413.002453] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 413.007301] ? trace_hardirqs_on_caller+0x310/0x310 [ 413.012318] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 413.017339] ? prepare_exit_to_usermode+0x291/0x3b0 [ 413.022364] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 413.027303] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 413.032683] warn_alloc_show_mem: 1 callbacks suppressed [ 413.032696] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145 [ 413.032698] Mem-Info: [ 413.032729] active_anon:51179 inactive_anon:236 isolated_anon:0 [ 413.032729] active_file:17 inactive_file:9 isolated_file:0 [ 413.032729] unevictable:0 dirty:0 writeback:0 unstable:0 [ 413.032729] slab_reclaimable:9362 slab_unreclaimable:1467319 [ 413.032729] mapped:16386 shmem:283 pagetables:457 bounce:0 [ 413.032729] free:13694 free_pcp:258 free_cma:0 [ 413.038073] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 413.045095] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 413.047494] Call Trace: [ 413.080285] 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 [ 413.089632] [ 413.117124] lowmem_reserve[]: 0 2818 6321 6321 [ 413.119719] dump_stack+0x244/0x39d [ 413.145810] Node 0 DMA32 free:24972kB 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:0kB local_pcp:0kB free_cma:0kB [ 413.147975] ? dump_stack_print_info.cold.1+0x20/0x20 [ 413.152522] lowmem_reserve[]: 0 0 3503 3503 [ 413.156156] warn_alloc.cold.116+0xb7/0x1bd [ 413.183288] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB [ 413.188485] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 413.192775] lowmem_reserve[]: 0 0 0 0 [ 413.197097] ? lock_downgrade+0x900/0x900 [ 413.226063] 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 [ 413.230916] ? trace_hardirqs_off+0xb8/0x310 [ 413.234682] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB [ 413.238831] ? trace_hardirqs_off+0xb8/0x310 [ 413.252340] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB [ 413.256753] __alloc_pages_slowpath+0x26e8/0x2e10 [ 413.271911] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 413.276347] ? warn_alloc+0x120/0x120 [ 413.290517] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 413.295352] ? print_usage_bug+0xc0/0xc0 [ 413.304160] 309 total pagecache pages [ 413.307958] ? warn_alloc+0x120/0x120 [ 413.316516] 0 pages in swap cache [ 413.320570] ? warn_alloc+0x120/0x120 [ 413.324348] Swap cache stats: add 0, delete 0, find 0/0 [ 413.328142] ? print_usage_bug+0xc0/0xc0 [ 413.331573] Free swap = 0kB [ 413.335371] ? kvm_clock_read+0x18/0x30 [ 413.340708] Total swap = 0kB [ 413.344765] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 413.347755] 1965979 pages RAM [ 413.351724] ? print_usage_bug+0xc0/0xc0 [ 413.354735] 0 pages HighMem/MovableOnly [ 413.359746] ? __lock_acquire+0x62f/0x4c20 [ 413.362831] 342853 pages reserved [ 413.366886] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 413.370831] 0 pages cma reserved [ 413.375063] ? should_fail+0x22d/0xd01 [ 413.378560] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 413.384023] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 413.384050] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 413.384067] ? __lock_acquire+0x62f/0x4c20 [ 413.387466] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 413.391297] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 413.397762] syz-executor2 cpuset=syz2 mems_allowed=0 [ 413.403050] ? __lock_acquire+0x62f/0x4c20 [ 413.437214] ? should_fail+0x22d/0xd01 [ 413.441108] ? rcu_irq_exit+0x1a2/0x390 [ 413.445103] ? mark_held_locks+0x130/0x130 [ 413.449346] ? mark_held_locks+0x130/0x130 [ 413.453588] ? mark_held_locks+0xc7/0x130 [ 413.457739] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 413.462758] ? zap_class+0x640/0x640 [ 413.466487] ? print_usage_bug+0xc0/0xc0 [ 413.470556] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.476101] ? check_preemption_disabled+0x48/0x280 [ 413.481131] ? __lock_is_held+0xb5/0x140 [ 413.485201] __alloc_pages_nodemask+0xa80/0xde0 [ 413.489877] ? zap_class+0x640/0x640 [ 413.493602] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 413.498637] ? find_held_lock+0x36/0x1c0 [ 413.502709] ? ____cache_alloc_node+0x1c7/0x1e0 [ 413.507382] ? lock_downgrade+0x900/0x900 [ 413.511541] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.517085] cache_grow_begin+0xa5/0x8c0 [ 413.521152] ? do_raw_spin_unlock+0xa7/0x330 [ 413.525568] fallback_alloc+0x204/0x2e0 [ 413.529554] ____cache_alloc_node+0x1c7/0x1e0 [ 413.534064] kmem_cache_alloc_node+0xe3/0x730 [ 413.538567] ? ipv6_get_ifaddr+0x42e/0x620 [ 413.542814] __alloc_skb+0x119/0x770 [ 413.546532] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 413.551818] ? netdev_alloc_frag+0x1f0/0x1f0 [ 413.556230] ? lock_downgrade+0x900/0x900 [ 413.560393] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.565932] ? refcount_sub_and_test_checked+0x203/0x310 [ 413.571390] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 413.576846] ? addrconf_rs_timer+0x690/0x690 [ 413.581270] ndisc_alloc_skb+0x144/0x340 [ 413.585337] ndisc_send_rs+0x331/0x6e0 [ 413.589240] addrconf_rs_timer+0x314/0x690 [ 413.593488] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 413.597735] call_timer_fn+0x272/0x920 [ 413.601622] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 413.605858] ? process_timeout+0x40/0x40 [ 413.609932] ? mark_held_locks+0xc7/0x130 [ 413.614082] ? _raw_spin_unlock_irq+0x27/0x80 [ 413.618580] ? _raw_spin_unlock_irq+0x27/0x80 [ 413.623080] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 413.627316] ? lockdep_hardirqs_on+0x296/0x5b0 [ 413.631903] ? trace_hardirqs_on+0xbd/0x310 [ 413.636226] ? kasan_check_read+0x11/0x20 [ 413.640374] ? __run_timers+0x7da/0xc70 [ 413.644351] ? trace_hardirqs_off_caller+0x310/0x310 [ 413.649460] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 413.653702] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 413.657945] __run_timers+0x7e5/0xc70 [ 413.661757] ? timer_fixup_init+0x70/0x70 [ 413.665908] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 413.670947] ? zap_class+0x640/0x640 [ 413.674671] ? print_usage_bug+0xc0/0xc0 [ 413.678741] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 413.683948] ? find_held_lock+0x36/0x1c0 [ 413.688022] ? zap_class+0x640/0x640 [ 413.691752] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.697295] ? check_preemption_disabled+0x48/0x280 [ 413.702323] ? __lock_is_held+0xb5/0x140 [ 413.706386] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.711928] ? check_preemption_disabled+0x48/0x280 [ 413.716950] run_timer_softirq+0x52/0xb0 [ 413.721023] ? rcu_read_lock_sched_held+0x14f/0x180 [ 413.726055] __do_softirq+0x308/0xb7e [ 413.729877] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 413.734375] ? lock_downgrade+0x900/0x900 [ 413.738534] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 413.743652] ? pvclock_read_flags+0x160/0x160 [ 413.748163] ? lapic_next_event+0x5a/0x90 [ 413.752316] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.757863] ? kvm_clock_read+0x18/0x30 [ 413.761862] ? kvm_sched_clock_read+0x9/0x20 [ 413.766284] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.771824] ? check_preemption_disabled+0x48/0x280 [ 413.776854] irq_exit+0x17f/0x1c0 [ 413.780312] smp_apic_timer_interrupt+0x1cb/0x760 [ 413.785159] ? smp_reschedule_interrupt+0x109/0x650 [ 413.790178] ? smp_call_function_single_interrupt+0x650/0x650 [ 413.796069] ? interrupt_entry+0xb5/0xc0 [ 413.800137] ? trace_hardirqs_off_caller+0xbb/0x310 [ 413.805153] ? trace_hardirqs_off_caller+0xbb/0x310 [ 413.810176] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 413.815031] ? trace_hardirqs_on_caller+0x310/0x310 [ 413.820059] ? trace_hardirqs_on_caller+0x310/0x310 [ 413.825079] ? task_prio+0x50/0x50 [ 413.828628] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.834174] ? check_preemption_disabled+0x48/0x280 [ 413.839201] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 413.844068] apic_timer_interrupt+0xf/0x20 [ 413.848300] [ 413.850556] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 413.855746] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 413.874647] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 413.882386] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e [ 413.889653] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc [ 413.896920] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 413.904191] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000 [ 413.911477] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 413.918787] retint_kernel+0x1b/0x2d [ 413.922506] RIP: 0010:dump_stack+0x358/0x39d [ 413.926914] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 413.945818] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 413.953525] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e [ 413.960797] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 413.968069] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 413.975338] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45 [ 413.982621] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 413.989915] ? dump_stack+0x34f/0x39d [ 413.993744] ? dump_stack_print_info.cold.1+0x20/0x20 [ 413.998941] ? mark_held_locks+0x130/0x130 [ 414.003180] ? mark_held_locks+0x130/0x130 [ 414.007422] dump_header+0x27b/0xf72 [ 414.011149] ? pagefault_out_of_memory+0x197/0x197 [ 414.016091] ? __lock_acquire+0x62f/0x4c20 [ 414.020332] ? percpu_ref_get_many+0x240/0x240 [ 414.024923] ? print_usage_bug+0xc0/0xc0 [ 414.029000] ? zap_class+0x640/0x640 [ 414.032767] ? print_usage_bug+0xc0/0xc0 [ 414.036831] ? print_usage_bug+0xc0/0xc0 [ 414.040896] ? zap_class+0x640/0x640 [ 414.044630] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.050175] ? find_held_lock+0x36/0x1c0 [ 414.054245] ? mark_held_locks+0xc7/0x130 [ 414.058398] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 414.063502] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 414.068610] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 414.073200] ? trace_hardirqs_on+0xbd/0x310 [ 414.077521] ? kasan_check_read+0x11/0x20 [ 414.081673] ? ___ratelimit+0x3b4/0x672 [ 414.085648] ? trace_hardirqs_off_caller+0x310/0x310 [ 414.090755] ? trace_hardirqs_on+0x310/0x310 [ 414.095169] ? lock_downgrade+0x900/0x900 [ 414.099326] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 414.104432] ? ___ratelimit+0x3b9/0x672 [ 414.108413] ? idr_get_free+0xf70/0xf70 [ 414.112388] ? find_held_lock+0x36/0x1c0 [ 414.116464] oom_kill_process.cold.27+0x10/0x903 [ 414.121252] ? zap_class+0x640/0x640 [ 414.124967] ? check_preemption_disabled+0x48/0x280 [ 414.129991] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 414.134927] ? kasan_check_read+0x11/0x20 [ 414.139074] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 414.144353] ? oom_evaluate_task+0x540/0x540 [ 414.148765] ? find_held_lock+0x36/0x1c0 [ 414.152837] ? out_of_memory+0x974/0x1430 [ 414.157005] ? lock_downgrade+0x900/0x900 [ 414.161173] ? check_preemption_disabled+0x48/0x280 [ 414.166194] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 414.171128] ? kasan_check_read+0x11/0x20 [ 414.175276] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 414.180556] ? rcu_softirq_qs+0x20/0x20 [ 414.184537] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.190077] ? oom_evaluate_task+0x302/0x540 [ 414.194492] out_of_memory+0xa84/0x1430 [ 414.198484] ? oom_killer_disable+0x3a0/0x3a0 [ 414.203000] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 414.207964] ? __ww_mutex_check_waiters+0x160/0x160 [ 414.212998] __alloc_pages_slowpath+0x2354/0x2e10 [ 414.217883] ? warn_alloc+0x120/0x120 [ 414.221687] ? mark_held_locks+0x130/0x130 [ 414.225929] ? find_get_entry+0xaae/0x1120 [ 414.230178] ? filemap_map_pages+0x1a20/0x1a20 [ 414.234765] ? zap_class+0x640/0x640 [ 414.238490] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.244044] ? check_preemption_disabled+0x48/0x280 [ 414.249071] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.254610] ? should_fail+0x22d/0xd01 [ 414.258505] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 414.263613] ? zap_class+0x640/0x640 [ 414.267353] ? __lock_is_held+0xb5/0x140 [ 414.271423] ? mark_held_locks+0x130/0x130 [ 414.275664] ? lock_release+0xa00/0xa00 [ 414.279659] ? perf_trace_sched_process_exec+0x860/0x860 [ 414.285117] ? xa_load+0x2ba/0x460 [ 414.288661] ? lock_downgrade+0x900/0x900 [ 414.292828] ? __might_sleep+0x95/0x190 [ 414.296813] __alloc_pages_nodemask+0xa80/0xde0 [ 414.301492] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 414.306508] ? __page_cache_alloc+0x191/0x5c0 [ 414.311024] ? xa_load+0x2e1/0x460 [ 414.314571] ? xa_clear_mark+0x40/0x40 [ 414.318464] ? zap_class+0x640/0x640 [ 414.322187] ? zap_class+0x640/0x640 [ 414.325906] ? zap_class+0x640/0x640 [ 414.329621] ? __do_page_cache_readahead+0x663/0x810 [ 414.334729] ? find_held_lock+0x36/0x1c0 [ 414.338799] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 414.344347] alloc_pages_current+0x173/0x350 [ 414.348761] __page_cache_alloc+0x38c/0x5c0 [ 414.353092] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 414.358033] ? kasan_check_read+0x11/0x20 [ 414.362191] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 414.367474] ? generic_perform_write+0x6a0/0x6a0 [ 414.372236] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.377776] ? check_preemption_disabled+0x48/0x280 [ 414.382801] filemap_fault+0x1595/0x25f0 [ 414.386880] ? __lock_page_or_retry+0xa00/0xa00 [ 414.391575] ? mark_held_locks+0x130/0x130 [ 414.395823] ? filemap_map_pages+0xd6b/0x1a20 [ 414.400320] ? lock_downgrade+0x900/0x900 [ 414.404484] ? check_preemption_disabled+0x48/0x280 [ 414.409505] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 414.414438] ? kasan_check_read+0x11/0x20 [ 414.418584] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 414.423864] ? rcu_softirq_qs+0x20/0x20 [ 414.427855] ? filemap_map_pages+0xd92/0x1a20 [ 414.432368] ? find_get_entries_tag+0x1400/0x1400 [ 414.437214] ? ep_scan_ready_list+0xbc7/0x1050 [ 414.441799] ? trace_hardirqs_off_caller+0x310/0x310 [ 414.446921] ? lock_acquire+0x1ed/0x520 [ 414.450901] ? ext4_filemap_fault+0x7a/0xad [ 414.455244] ? lock_release+0xa00/0xa00 [ 414.459231] ? perf_trace_sched_process_exec+0x860/0x860 [ 414.464688] ? print_usage_bug+0xc0/0xc0 [ 414.468756] ? print_usage_bug+0xc0/0xc0 [ 414.472835] ? down_read+0x8d/0x120 [ 414.476463] ? ext4_filemap_fault+0x7a/0xad [ 414.480786] ? __down_interruptible+0x700/0x700 [ 414.485471] ext4_filemap_fault+0x82/0xad [ 414.489625] __do_fault+0x100/0x6b0 [ 414.493260] ? pmd_devmap_trans_unstable+0x220/0x220 [ 414.498370] ? mark_held_locks+0x130/0x130 [ 414.502606] ? mark_held_locks+0x130/0x130 [ 414.506846] ? kasan_check_read+0x11/0x20 [ 414.510996] ? ep_poll+0xffa/0x13d0 [ 414.514647] ? trace_hardirqs_off_caller+0x310/0x310 [ 414.519762] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.525306] __handle_mm_fault+0x3ea0/0x5be0 [ 414.529717] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.535267] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 414.540120] ? do_epoll_create+0x590/0x590 [ 414.544355] ? kasan_check_read+0x11/0x20 [ 414.548505] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 414.553781] ? rcu_softirq_qs+0x20/0x20 [ 414.557779] ? zap_class+0x640/0x640 [ 414.561498] ? zap_class+0x640/0x640 [ 414.565225] ? find_held_lock+0x36/0x1c0 [ 414.569296] ? handle_mm_fault+0x42a/0xc70 [ 414.573537] ? lock_downgrade+0x900/0x900 [ 414.577688] ? check_preemption_disabled+0x48/0x280 [ 414.582731] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 414.587669] ? kasan_check_read+0x11/0x20 [ 414.591818] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 414.597095] ? rcu_softirq_qs+0x20/0x20 [ 414.601072] ? trace_hardirqs_off_caller+0x310/0x310 [ 414.606185] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.612219] ? check_preemption_disabled+0x48/0x280 [ 414.617245] handle_mm_fault+0x54f/0xc70 [ 414.621312] ? __handle_mm_fault+0x5be0/0x5be0 [ 414.625899] ? find_vma+0x34/0x190 [ 414.629451] __do_page_fault+0x5e8/0xe60 [ 414.633513] ? trace_hardirqs_off+0xb8/0x310 [ 414.637923] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 414.643470] do_page_fault+0xf2/0x7e0 [ 414.647275] ? vmalloc_sync_all+0x30/0x30 [ 414.651424] ? error_entry+0x70/0xd0 [ 414.655141] ? trace_hardirqs_off_caller+0xbb/0x310 [ 414.660159] ? trace_hardirqs_on_caller+0xc0/0x310 [ 414.665092] ? syscall_return_slowpath+0x5e0/0x5e0 [ 414.670030] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 414.674901] ? trace_hardirqs_on_caller+0x310/0x310 [ 414.679918] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 414.685478] ? prepare_exit_to_usermode+0x291/0x3b0 [ 414.690502] ? page_fault+0x8/0x30 [ 414.694062] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 414.698908] ? page_fault+0x8/0x30 [ 414.702452] page_fault+0x1e/0x30 [ 414.705904] RIP: 0033:0x45df89 [ 414.709117] Code: Bad RIP value. [ 414.712483] RSP: 002b:000000c42017b850 EFLAGS: 00010246 [ 414.717846] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89 [ 414.725115] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004 [ 414.732384] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500 [ 414.739651] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8 [ 414.747096] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff [ 414.754396] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145 [ 414.754457] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 414.761758] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 414.761767] Call Trace: [ 414.768332] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 414.777591] [ 414.780166] syz-fuzzer cpuset=/ mems_allowed=0 [ 414.790387] dump_stack+0x244/0x39d [ 414.800706] ? dump_stack_print_info.cold.1+0x20/0x20 [ 414.805913] warn_alloc.cold.116+0xb7/0x1bd [ 414.810240] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 414.815088] ? lock_downgrade+0x900/0x900 [ 414.819249] ? trace_hardirqs_off+0xb8/0x310 [ 414.823666] ? trace_hardirqs_off+0xb8/0x310 [ 414.828091] __alloc_pages_slowpath+0x26e8/0x2e10 [ 414.832968] ? warn_alloc+0x120/0x120 [ 414.836772] ? print_usage_bug+0xc0/0xc0 [ 414.840848] ? warn_alloc+0x120/0x120 [ 414.844656] ? warn_alloc+0x120/0x120 [ 414.848462] ? print_usage_bug+0xc0/0xc0 [ 414.852530] ? print_usage_bug+0xc0/0xc0 [ 414.856602] ? __lock_acquire+0x62f/0x4c20 [ 414.860859] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.866398] ? should_fail+0x22d/0xd01 [ 414.870292] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 414.875410] ? __lock_acquire+0x62f/0x4c20 [ 414.879656] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 414.884757] ? __lock_acquire+0x62f/0x4c20 [ 414.888993] ? should_fail+0x22d/0xd01 [ 414.892890] ? find_held_lock+0x36/0x1c0 [ 414.896965] ? mark_held_locks+0x130/0x130 [ 414.901207] ? mark_held_locks+0x130/0x130 [ 414.905439] ? zap_class+0x640/0x640 [ 414.909156] ? zap_class+0x640/0x640 [ 414.912876] ? print_usage_bug+0xc0/0xc0 [ 414.916945] ? do_raw_spin_unlock+0xa7/0x330 [ 414.921354] ? zap_class+0x640/0x640 [ 414.925068] ? print_usage_bug+0xc0/0xc0 [ 414.929130] ? wq_watchdog_touch+0x9c/0xfe [ 414.933372] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.938911] ? check_preemption_disabled+0x48/0x280 [ 414.943938] ? __lock_is_held+0xb5/0x140 [ 414.948008] __alloc_pages_nodemask+0xa80/0xde0 [ 414.952686] ? zap_class+0x640/0x640 [ 414.956406] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 414.961435] ? find_held_lock+0x36/0x1c0 [ 414.965510] ? ____cache_alloc_node+0x1c7/0x1e0 [ 414.970186] ? lock_downgrade+0x900/0x900 [ 414.974348] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.979896] cache_grow_begin+0xa5/0x8c0 [ 414.983957] ? do_raw_spin_unlock+0xa7/0x330 [ 414.988383] fallback_alloc+0x204/0x2e0 [ 414.992367] ____cache_alloc_node+0x1c7/0x1e0 [ 414.996873] kmem_cache_alloc_node+0xe3/0x730 [ 415.001375] ? ipv6_get_ifaddr+0x42e/0x620 [ 415.005623] __alloc_skb+0x119/0x770 [ 415.009338] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 415.014620] ? netdev_alloc_frag+0x1f0/0x1f0 [ 415.019037] ? lock_downgrade+0x900/0x900 [ 415.023200] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.028743] ? refcount_sub_and_test_checked+0x203/0x310 [ 415.034202] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 415.039654] ? addrconf_rs_timer+0x690/0x690 [ 415.044077] ndisc_alloc_skb+0x144/0x340 [ 415.048163] ndisc_send_rs+0x331/0x6e0 [ 415.052056] addrconf_rs_timer+0x314/0x690 [ 415.056301] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 415.060555] call_timer_fn+0x272/0x920 [ 415.064443] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 415.068678] ? process_timeout+0x40/0x40 [ 415.072748] ? __run_timers+0x7da/0xc70 [ 415.076726] ? _raw_spin_unlock_irq+0x27/0x80 [ 415.081220] ? _raw_spin_unlock_irq+0x27/0x80 [ 415.085714] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 415.089955] ? lockdep_hardirqs_on+0x296/0x5b0 [ 415.094546] ? trace_hardirqs_on+0xbd/0x310 [ 415.098889] ? kasan_check_read+0x11/0x20 [ 415.103051] ? __run_timers+0x7da/0xc70 [ 415.107038] ? trace_hardirqs_off_caller+0x310/0x310 [ 415.112168] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 415.116414] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 415.120684] __run_timers+0x7e5/0xc70 [ 415.124502] ? timer_fixup_init+0x70/0x70 [ 415.128660] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 415.133678] ? zap_class+0x640/0x640 [ 415.137396] ? enqueue_hrtimer+0x1a5/0x560 [ 415.141637] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 415.146837] ? find_held_lock+0x36/0x1c0 [ 415.150904] ? zap_class+0x640/0x640 [ 415.154628] ? pvclock_read_flags+0x160/0x160 [ 415.159134] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.164676] ? check_preemption_disabled+0x48/0x280 [ 415.169716] ? __lock_is_held+0xb5/0x140 [ 415.173780] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.179323] ? check_preemption_disabled+0x48/0x280 [ 415.184348] run_timer_softirq+0x52/0xb0 [ 415.188411] ? rcu_read_lock_sched_held+0x14f/0x180 [ 415.193433] __do_softirq+0x308/0xb7e [ 415.197243] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 415.201739] ? lock_downgrade+0x900/0x900 [ 415.205905] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 415.211038] ? pvclock_read_flags+0x160/0x160 [ 415.215547] ? lapic_next_event+0x5a/0x90 [ 415.219711] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.225257] ? kvm_clock_read+0x18/0x30 [ 415.229233] ? kvm_sched_clock_read+0x9/0x20 [ 415.233647] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.239196] ? check_preemption_disabled+0x48/0x280 [ 415.244226] irq_exit+0x17f/0x1c0 [ 415.247698] smp_apic_timer_interrupt+0x1cb/0x760 [ 415.252545] ? smp_reschedule_interrupt+0x109/0x650 [ 415.257563] ? smp_call_function_single_interrupt+0x650/0x650 [ 415.263451] ? interrupt_entry+0xb5/0xc0 [ 415.267520] ? trace_hardirqs_off_caller+0xbb/0x310 [ 415.272545] ? trace_hardirqs_off_caller+0xbb/0x310 [ 415.277569] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 415.282417] ? trace_hardirqs_on_caller+0x310/0x310 [ 415.287431] ? trace_hardirqs_on_caller+0x310/0x310 [ 415.292458] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 415.297312] apic_timer_interrupt+0xf/0x20 [ 415.301542] [ 415.303820] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 415.308748] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7 [ 415.327645] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 415.335371] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 415.342636] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286 [ 415.349904] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000 [ 415.357176] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 415.364444] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020 [ 415.371782] skb_clone+0x1bb/0x500 [ 415.375322] ? finish_task_switch+0x2f4/0x910 [ 415.379837] ? skb_split+0x11e0/0x11e0 [ 415.383747] ? preempt_notifier_register+0x200/0x200 [ 415.388849] ? __switch_to_asm+0x34/0x70 [ 415.392911] ? __switch_to_asm+0x34/0x70 [ 415.396976] ? __switch_to_asm+0x40/0x70 [ 415.401039] ? __switch_to_asm+0x34/0x70 [ 415.405102] ? __switch_to_asm+0x40/0x70 [ 415.409162] ? __switch_to_asm+0x34/0x70 [ 415.413223] ? __switch_to_asm+0x40/0x70 [ 415.417284] ? __switch_to_asm+0x34/0x70 [ 415.421343] ? __switch_to_asm+0x34/0x70 [ 415.425405] ? __switch_to_asm+0x40/0x70 [ 415.429473] ? __switch_to_asm+0x34/0x70 [ 415.433556] bpf_clone_redirect+0xb9/0x490 [ 415.437790] ? __schedule+0x8d7/0x21d0 [ 415.441684] bpf_prog_bebbfe2050753572+0x1d8/0x1000 [ 415.446718] ? __sched_text_start+0x8/0x8 [ 415.450872] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 415.455453] ? retint_kernel+0x2d/0x2d [ 415.459436] ? trace_hardirqs_on_caller+0xc0/0x310 [ 415.464392] ? find_held_lock+0x36/0x1c0 [ 415.468463] ? lock_acquire+0x1ed/0x520 [ 415.472438] ? bpf_test_run+0x3cb/0x780 [ 415.476413] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.481998] ? check_preemption_disabled+0x48/0x280 [ 415.487063] ? kasan_check_read+0x11/0x20 [ 415.491214] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 415.496495] ? rcu_softirq_qs+0x20/0x20 [ 415.500471] ? preempt_schedule+0x4d/0x60 [ 415.504622] ? ___preempt_schedule+0x16/0x18 [ 415.509062] ? bpf_test_run+0x25d/0x780 [ 415.513055] ? netlink_diag_dump+0x2a0/0x2a0 [ 415.517467] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 415.523004] ? bpf_test_init.isra.10+0x70/0x100 [ 415.527689] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 415.532456] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 415.537299] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 415.542839] ? fput+0x130/0x1a0 [ 415.546121] ? __bpf_prog_get+0x9b/0x290 [ 415.550189] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 415.555040] ? bpf_prog_test_run+0x130/0x1a0 [ 415.559453] ? __x64_sys_bpf+0x3d8/0x520 [ 415.563563] ? bpf_prog_get+0x20/0x20 [ 415.567398] ? do_syscall_64+0x1b9/0x820 [ 415.571458] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 415.576826] ? syscall_return_slowpath+0x5e0/0x5e0 [ 415.581767] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 415.586630] ? trace_hardirqs_on_caller+0x310/0x310 [ 415.591653] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 415.596702] ? prepare_exit_to_usermode+0x291/0x3b0 [ 415.601725] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 415.606576] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 415.611960] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145 [ 415.611965] warn_alloc_show_mem: 1 callbacks suppressed [ 415.611973] Mem-Info: [ 415.618986] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 415.624353] active_anon:51179 inactive_anon:236 isolated_anon:0 [ 415.624353] active_file:17 inactive_file:9 isolated_file:0 [ 415.624353] unevictable:0 dirty:0 writeback:0 unstable:0 [ 415.624353] slab_reclaimable:9362 slab_unreclaimable:1467319 [ 415.624353] mapped:16386 shmem:283 pagetables:457 bounce:0 [ 415.624353] free:13694 free_pcp:258 free_cma:0 [ 415.626724] Call Trace: [ 415.636147] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 415.668922] [ 415.671494] 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 [ 415.699000] dump_stack+0x244/0x39d [ 415.701131] lowmem_reserve[]: 0 2818 6321 6321 [ 415.727262] ? dump_stack_print_info.cold.1+0x20/0x20 [ 415.730892] Node 0 DMA32 free:24972kB 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:0kB local_pcp:0kB free_cma:0kB [ 415.735483] warn_alloc.cold.116+0xb7/0x1bd [ 415.740638] lowmem_reserve[]: 0 0 3503 3503 [ 415.767789] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 415.772085] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB [ 415.776404] ? lock_downgrade+0x900/0x900 [ 415.781223] lowmem_reserve[]: 0 0 0 0 [ 415.810196] ? trace_hardirqs_off+0xb8/0x310 [ 415.814320] 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 [ 415.818116] ? trace_hardirqs_off+0xb8/0x310 [ 415.822509] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB [ 415.836041] __alloc_pages_slowpath+0x26e8/0x2e10 [ 415.840419] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB [ 415.855606] ? warn_alloc+0x120/0x120 [ 415.860410] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 415.874617] ? print_usage_bug+0xc0/0xc0 [ 415.878399] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 415.887221] ? warn_alloc+0x120/0x120 [ 415.891261] 309 total pagecache pages [ 415.899893] ? warn_alloc+0x120/0x120 [ 415.903674] 0 pages in swap cache [ 415.907492] ? print_usage_bug+0xc0/0xc0 [ 415.911270] Swap cache stats: add 0, delete 0, find 0/0 [ 415.914718] ? kvm_clock_read+0x18/0x30 [ 415.918756] Free swap = 0kB [ 415.924114] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 415.928076] Total swap = 0kB [ 415.931088] ? print_usage_bug+0xc0/0xc0 [ 415.936082] 1965979 pages RAM [ 415.939094] ? __lock_acquire+0x62f/0x4c20 [ 415.943133] 0 pages HighMem/MovableOnly [ 415.946234] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 415.950442] 342853 pages reserved [ 415.954409] ? should_fail+0x22d/0xd01 [ 415.959919] 0 pages cma reserved [ 415.963368] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 415.967289] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 415.970592] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 415.976011] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 415.982333] ? __lock_acquire+0x62f/0x4c20 [ 415.987413] syz-executor2 cpuset=syz2 mems_allowed=0 [ 415.997892] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 416.012314] ? __lock_acquire+0x62f/0x4c20 [ 416.016548] ? should_fail+0x22d/0xd01 [ 416.020434] ? rcu_irq_exit+0x1a2/0x390 [ 416.024421] ? mark_held_locks+0x130/0x130 [ 416.028663] ? mark_held_locks+0x130/0x130 [ 416.032905] ? mark_held_locks+0xc7/0x130 [ 416.037059] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 416.042079] ? zap_class+0x640/0x640 [ 416.045794] ? print_usage_bug+0xc0/0xc0 [ 416.049860] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.055400] ? check_preemption_disabled+0x48/0x280 [ 416.060431] ? __lock_is_held+0xb5/0x140 [ 416.064503] __alloc_pages_nodemask+0xa80/0xde0 [ 416.069172] ? zap_class+0x640/0x640 [ 416.072894] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 416.077936] ? find_held_lock+0x36/0x1c0 [ 416.082009] ? ____cache_alloc_node+0x1c7/0x1e0 [ 416.086693] ? lock_downgrade+0x900/0x900 [ 416.090850] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.096393] cache_grow_begin+0xa5/0x8c0 [ 416.100456] ? do_raw_spin_unlock+0xa7/0x330 [ 416.104876] fallback_alloc+0x204/0x2e0 [ 416.108859] ____cache_alloc_node+0x1c7/0x1e0 [ 416.113361] kmem_cache_alloc_node+0xe3/0x730 [ 416.117856] ? ipv6_get_ifaddr+0x42e/0x620 [ 416.122129] __alloc_skb+0x119/0x770 [ 416.125846] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 416.131128] ? netdev_alloc_frag+0x1f0/0x1f0 [ 416.135538] ? lock_downgrade+0x900/0x900 [ 416.139739] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.145277] ? refcount_sub_and_test_checked+0x203/0x310 [ 416.150736] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 416.156189] ? addrconf_rs_timer+0x690/0x690 [ 416.160636] ndisc_alloc_skb+0x144/0x340 [ 416.164702] ndisc_send_rs+0x331/0x6e0 [ 416.168600] addrconf_rs_timer+0x314/0x690 [ 416.172842] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 416.177092] call_timer_fn+0x272/0x920 [ 416.180980] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 416.185226] ? process_timeout+0x40/0x40 [ 416.189301] ? mark_held_locks+0xc7/0x130 [ 416.193467] ? _raw_spin_unlock_irq+0x27/0x80 [ 416.197963] ? _raw_spin_unlock_irq+0x27/0x80 [ 416.202456] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 416.206691] ? lockdep_hardirqs_on+0x296/0x5b0 [ 416.211292] ? trace_hardirqs_on+0xbd/0x310 [ 416.215624] ? kasan_check_read+0x11/0x20 [ 416.219771] ? __run_timers+0x7da/0xc70 [ 416.223747] ? trace_hardirqs_off_caller+0x310/0x310 [ 416.228856] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 416.233098] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 416.237330] __run_timers+0x7e5/0xc70 [ 416.241168] ? timer_fixup_init+0x70/0x70 [ 416.245320] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 416.250341] ? zap_class+0x640/0x640 [ 416.254066] ? print_usage_bug+0xc0/0xc0 [ 416.258131] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 416.263329] ? find_held_lock+0x36/0x1c0 [ 416.267395] ? zap_class+0x640/0x640 [ 416.271118] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.276658] ? check_preemption_disabled+0x48/0x280 [ 416.281687] ? __lock_is_held+0xb5/0x140 [ 416.285749] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.291288] ? check_preemption_disabled+0x48/0x280 [ 416.296311] run_timer_softirq+0x52/0xb0 [ 416.300376] ? rcu_read_lock_sched_held+0x14f/0x180 [ 416.305393] __do_softirq+0x308/0xb7e [ 416.309202] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 416.313710] ? lock_downgrade+0x900/0x900 [ 416.317862] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 416.322973] ? pvclock_read_flags+0x160/0x160 [ 416.327471] ? lapic_next_event+0x5a/0x90 [ 416.331635] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.337179] ? kvm_clock_read+0x18/0x30 [ 416.341160] ? kvm_sched_clock_read+0x9/0x20 [ 416.345573] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.351115] ? check_preemption_disabled+0x48/0x280 [ 416.356143] irq_exit+0x17f/0x1c0 [ 416.359602] smp_apic_timer_interrupt+0x1cb/0x760 [ 416.364444] ? smp_reschedule_interrupt+0x109/0x650 [ 416.369466] ? smp_call_function_single_interrupt+0x650/0x650 [ 416.375351] ? interrupt_entry+0xb5/0xc0 [ 416.379413] ? trace_hardirqs_off_caller+0xbb/0x310 [ 416.384427] ? trace_hardirqs_off_caller+0xbb/0x310 [ 416.389446] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 416.394291] ? trace_hardirqs_on_caller+0x310/0x310 [ 416.399395] ? trace_hardirqs_on_caller+0x310/0x310 [ 416.404410] ? task_prio+0x50/0x50 [ 416.407952] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.413520] ? check_preemption_disabled+0x48/0x280 [ 416.418592] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 416.423471] apic_timer_interrupt+0xf/0x20 [ 416.427699] [ 416.429933] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 416.435125] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 416.454034] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 416.461766] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e [ 416.469046] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc [ 416.476315] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 416.483582] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000 [ 416.490884] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 416.498181] retint_kernel+0x1b/0x2d [ 416.501900] RIP: 0010:dump_stack+0x358/0x39d [ 416.506307] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 416.525204] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 416.532912] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e [ 416.540176] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 416.547447] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 416.554714] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45 [ 416.562034] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 416.569326] ? dump_stack+0x34f/0x39d [ 416.573143] ? dump_stack_print_info.cold.1+0x20/0x20 [ 416.578354] ? mark_held_locks+0x130/0x130 [ 416.582589] ? mark_held_locks+0x130/0x130 [ 416.586833] dump_header+0x27b/0xf72 [ 416.590564] ? pagefault_out_of_memory+0x197/0x197 [ 416.595504] ? __lock_acquire+0x62f/0x4c20 [ 416.599746] ? percpu_ref_get_many+0x240/0x240 [ 416.604334] ? print_usage_bug+0xc0/0xc0 [ 416.608402] ? zap_class+0x640/0x640 [ 416.612561] ? print_usage_bug+0xc0/0xc0 [ 416.616630] ? print_usage_bug+0xc0/0xc0 [ 416.620704] ? zap_class+0x640/0x640 [ 416.624435] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.630002] ? find_held_lock+0x36/0x1c0 [ 416.634129] ? mark_held_locks+0xc7/0x130 [ 416.638311] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 416.643418] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 416.648541] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 416.653131] ? trace_hardirqs_on+0xbd/0x310 [ 416.657453] ? kasan_check_read+0x11/0x20 [ 416.661599] ? ___ratelimit+0x3b4/0x672 [ 416.665579] ? trace_hardirqs_off_caller+0x310/0x310 [ 416.670685] ? trace_hardirqs_on+0x310/0x310 [ 416.675095] ? lock_downgrade+0x900/0x900 [ 416.679339] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 416.684460] ? ___ratelimit+0x3b9/0x672 [ 416.688452] ? idr_get_free+0xf70/0xf70 [ 416.692427] ? find_held_lock+0x36/0x1c0 [ 416.696504] oom_kill_process.cold.27+0x10/0x903 [ 416.701281] ? zap_class+0x640/0x640 [ 416.704995] ? check_preemption_disabled+0x48/0x280 [ 416.710082] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 416.715012] ? kasan_check_read+0x11/0x20 [ 416.719244] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 416.724570] ? oom_evaluate_task+0x540/0x540 [ 416.728998] ? find_held_lock+0x36/0x1c0 [ 416.733081] ? out_of_memory+0x974/0x1430 [ 416.737248] ? lock_downgrade+0x900/0x900 [ 416.741398] ? check_preemption_disabled+0x48/0x280 [ 416.746586] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 416.751524] ? kasan_check_read+0x11/0x20 [ 416.755670] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 416.760955] ? rcu_softirq_qs+0x20/0x20 [ 416.764936] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 416.770474] ? oom_evaluate_task+0x302/0x540 [ 416.774886] out_of_memory+0xa84/0x1430 [ 416.778887] ? oom_killer_disable+0x3a0/0x3a0 [ 416.783453] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 416.788387] ? __ww_mutex_check_waiters+0x160/0x160 [ 416.793420] __alloc_pages_slowpath+0x2354/0x2e10 [ 416.798290] ? warn_alloc+0x120/0x120 [ 416.802111] ? mark_held_locks+0x130/0x130 [ 416.806352] ? find_get_entry+0xaae/0x1120 [ 416.810602] ? filemap_map_pages+0x1a20/0x1a20 [ 416.815189] ? zap_class+0x640/0x640 [ 416.818911] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.824451] ? check_preemption_disabled+0x48/0x280 [ 416.829513] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 416.835062] ? should_fail+0x22d/0xd01 [ 416.838962] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 416.844071] ? zap_class+0x640/0x640 [ 416.847825] ? __lock_is_held+0xb5/0x140 [ 416.851915] ? mark_held_locks+0x130/0x130 [ 416.856157] ? lock_release+0xa00/0xa00 [ 416.860168] ? perf_trace_sched_process_exec+0x860/0x860 [ 416.865617] ? xa_load+0x2ba/0x460 [ 416.869160] ? lock_downgrade+0x900/0x900 [ 416.873332] ? __might_sleep+0x95/0x190 [ 416.877311] __alloc_pages_nodemask+0xa80/0xde0 [ 416.881988] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 416.887048] ? __page_cache_alloc+0x191/0x5c0 [ 416.891590] ? xa_load+0x2e1/0x460 [ 416.895188] ? xa_clear_mark+0x40/0x40 [ 416.899094] ? zap_class+0x640/0x640 [ 416.902816] ? zap_class+0x640/0x640 [ 416.906535] ? zap_class+0x640/0x640 [ 416.911296] ? __do_page_cache_readahead+0x663/0x810 [ 416.916405] ? find_held_lock+0x36/0x1c0 [ 416.920485] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 416.926045] alloc_pages_current+0x173/0x350 [ 416.930467] __page_cache_alloc+0x38c/0x5c0 [ 416.934805] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 416.939739] ? kasan_check_read+0x11/0x20 [ 416.943892] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 416.949172] ? generic_perform_write+0x6a0/0x6a0 [ 416.953929] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 416.959468] ? check_preemption_disabled+0x48/0x280 [ 416.964495] filemap_fault+0x1595/0x25f0 [ 416.968573] ? __lock_page_or_retry+0xa00/0xa00 [ 416.973246] ? mark_held_locks+0x130/0x130 [ 416.977495] ? filemap_map_pages+0xd6b/0x1a20 [ 416.981994] ? lock_downgrade+0x900/0x900 [ 416.986153] ? check_preemption_disabled+0x48/0x280 [ 416.991173] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 416.996105] ? kasan_check_read+0x11/0x20 [ 417.000251] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 417.005537] ? rcu_softirq_qs+0x20/0x20 [ 417.009524] ? filemap_map_pages+0xd92/0x1a20 [ 417.014046] ? find_get_entries_tag+0x1400/0x1400 [ 417.018896] ? ep_scan_ready_list+0xbc7/0x1050 [ 417.023481] ? trace_hardirqs_off_caller+0x310/0x310 [ 417.028600] ? lock_acquire+0x1ed/0x520 [ 417.032595] ? ext4_filemap_fault+0x7a/0xad [ 417.036927] ? lock_release+0xa00/0xa00 [ 417.040902] ? perf_trace_sched_process_exec+0x860/0x860 [ 417.046359] ? print_usage_bug+0xc0/0xc0 [ 417.050422] ? print_usage_bug+0xc0/0xc0 [ 417.054495] ? down_read+0x8d/0x120 [ 417.058143] ? ext4_filemap_fault+0x7a/0xad [ 417.062525] ? __down_interruptible+0x700/0x700 [ 417.067230] ext4_filemap_fault+0x82/0xad [ 417.071384] __do_fault+0x100/0x6b0 [ 417.075034] ? pmd_devmap_trans_unstable+0x220/0x220 [ 417.080145] ? mark_held_locks+0x130/0x130 [ 417.084384] ? mark_held_locks+0x130/0x130 [ 417.088618] ? kasan_check_read+0x11/0x20 [ 417.092781] ? ep_poll+0xffa/0x13d0 [ 417.096409] ? trace_hardirqs_off_caller+0x310/0x310 [ 417.101518] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.107066] __handle_mm_fault+0x3ea0/0x5be0 [ 417.111517] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.117076] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 417.121924] ? do_epoll_create+0x590/0x590 [ 417.126171] ? kasan_check_read+0x11/0x20 [ 417.130334] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 417.135609] ? rcu_softirq_qs+0x20/0x20 [ 417.139618] ? zap_class+0x640/0x640 [ 417.143357] ? zap_class+0x640/0x640 [ 417.147096] ? find_held_lock+0x36/0x1c0 [ 417.151169] ? handle_mm_fault+0x42a/0xc70 [ 417.155410] ? lock_downgrade+0x900/0x900 [ 417.159562] ? check_preemption_disabled+0x48/0x280 [ 417.164600] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 417.169527] ? kasan_check_read+0x11/0x20 [ 417.173676] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 417.178953] ? rcu_softirq_qs+0x20/0x20 [ 417.182932] ? trace_hardirqs_off_caller+0x310/0x310 [ 417.188048] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.193588] ? check_preemption_disabled+0x48/0x280 [ 417.198616] handle_mm_fault+0x54f/0xc70 [ 417.202698] ? __handle_mm_fault+0x5be0/0x5be0 [ 417.207285] ? find_vma+0x34/0x190 [ 417.210832] __do_page_fault+0x5e8/0xe60 [ 417.214891] ? trace_hardirqs_off+0xb8/0x310 [ 417.219299] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 417.224847] do_page_fault+0xf2/0x7e0 [ 417.228676] ? vmalloc_sync_all+0x30/0x30 [ 417.232872] ? error_entry+0x70/0xd0 [ 417.236588] ? trace_hardirqs_off_caller+0xbb/0x310 [ 417.241606] ? trace_hardirqs_on_caller+0xc0/0x310 [ 417.246537] ? syscall_return_slowpath+0x5e0/0x5e0 [ 417.251464] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 417.256310] ? trace_hardirqs_on_caller+0x310/0x310 [ 417.261324] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 417.266814] ? prepare_exit_to_usermode+0x291/0x3b0 [ 417.271863] ? page_fault+0x8/0x30 [ 417.275409] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 417.280257] ? page_fault+0x8/0x30 [ 417.283844] page_fault+0x1e/0x30 [ 417.287297] RIP: 0033:0x45df89 [ 417.290504] Code: Bad RIP value. [ 417.293866] RSP: 002b:000000c42017b850 EFLAGS: 00010246 [ 417.299230] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89 [ 417.306495] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004 [ 417.313776] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500 [ 417.321078] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8 [ 417.328346] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff [ 417.335657] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145 [ 417.335721] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 417.343029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 417.343034] Call Trace: [ 417.343040] [ 417.343059] dump_stack+0x244/0x39d [ 417.343081] ? dump_stack_print_info.cold.1+0x20/0x20 [ 417.349626] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 417.358909] warn_alloc.cold.116+0xb7/0x1bd [ 417.361466] syz-fuzzer cpuset=/ mems_allowed=0 [ 417.363611] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 417.396303] ? lock_downgrade+0x900/0x900 [ 417.400461] ? trace_hardirqs_off+0xb8/0x310 [ 417.404894] ? trace_hardirqs_off+0xb8/0x310 [ 417.409309] __alloc_pages_slowpath+0x26e8/0x2e10 [ 417.414188] ? warn_alloc+0x120/0x120 [ 417.418000] ? warn_alloc+0x120/0x120 [ 417.421815] ? warn_alloc+0x120/0x120 [ 417.425633] ? print_usage_bug+0xc0/0xc0 [ 417.429707] ? warn_alloc+0x120/0x120 [ 417.433545] ? print_usage_bug+0xc0/0xc0 [ 417.437618] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.443183] ? should_fail+0x22d/0xd01 [ 417.447075] ? __lock_acquire+0x62f/0x4c20 [ 417.451315] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 417.456424] ? __lock_acquire+0x62f/0x4c20 [ 417.460663] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 417.465766] ? __lock_acquire+0x62f/0x4c20 [ 417.469998] ? should_fail+0x22d/0xd01 [ 417.473905] ? mark_held_locks+0x130/0x130 [ 417.478149] ? mark_held_locks+0x130/0x130 [ 417.482384] ? try_to_wake_up+0x11c/0x1490 [ 417.486650] ? lock_downgrade+0x900/0x900 [ 417.490804] ? zap_class+0x640/0x640 [ 417.494522] ? print_usage_bug+0xc0/0xc0 [ 417.498588] ? trace_hardirqs_off+0xb8/0x310 [ 417.503032] ? kasan_check_read+0x11/0x20 [ 417.507183] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.512725] ? check_preemption_disabled+0x48/0x280 [ 417.517769] ? __lock_is_held+0xb5/0x140 [ 417.521836] __alloc_pages_nodemask+0xa80/0xde0 [ 417.526506] ? zap_class+0x640/0x640 [ 417.530247] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 417.535275] ? find_held_lock+0x36/0x1c0 [ 417.539360] ? ____cache_alloc_node+0x1c7/0x1e0 [ 417.544041] ? lock_downgrade+0x900/0x900 [ 417.548199] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.553742] cache_grow_begin+0xa5/0x8c0 [ 417.557806] ? do_raw_spin_unlock+0xa7/0x330 [ 417.562225] fallback_alloc+0x204/0x2e0 [ 417.566213] ____cache_alloc_node+0x1c7/0x1e0 [ 417.570719] kmem_cache_alloc_node+0xe3/0x730 [ 417.575215] ? ipv6_get_ifaddr+0x42e/0x620 [ 417.579463] __alloc_skb+0x119/0x770 [ 417.583195] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 417.588490] ? netdev_alloc_frag+0x1f0/0x1f0 [ 417.592948] ? lock_downgrade+0x900/0x900 [ 417.597107] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.602646] ? refcount_sub_and_test_checked+0x203/0x310 [ 417.608106] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 417.613561] ? addrconf_rs_timer+0x690/0x690 [ 417.617989] ndisc_alloc_skb+0x144/0x340 [ 417.622064] ndisc_send_rs+0x331/0x6e0 [ 417.625958] addrconf_rs_timer+0x314/0x690 [ 417.630199] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 417.634450] call_timer_fn+0x272/0x920 [ 417.638339] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 417.642575] ? process_timeout+0x40/0x40 [ 417.646643] ? __run_timers+0x7da/0xc70 [ 417.650650] ? _raw_spin_unlock_irq+0x27/0x80 [ 417.655174] ? _raw_spin_unlock_irq+0x27/0x80 [ 417.659667] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 417.663916] ? lockdep_hardirqs_on+0x296/0x5b0 [ 417.668530] ? trace_hardirqs_on+0xbd/0x310 [ 417.672858] ? kasan_check_read+0x11/0x20 [ 417.677009] ? __run_timers+0x7da/0xc70 [ 417.681055] ? trace_hardirqs_off_caller+0x310/0x310 [ 417.686165] ? __queue_work+0x1440/0x1440 [ 417.690323] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 417.694558] __run_timers+0x7e5/0xc70 [ 417.698372] ? timer_fixup_init+0x70/0x70 [ 417.702548] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 417.707574] ? zap_class+0x640/0x640 [ 417.711293] ? enqueue_hrtimer+0x1a5/0x560 [ 417.715529] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 417.720749] ? find_held_lock+0x36/0x1c0 [ 417.724817] ? zap_class+0x640/0x640 [ 417.728574] ? pvclock_read_flags+0x160/0x160 [ 417.733073] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.738613] ? check_preemption_disabled+0x48/0x280 [ 417.743656] ? __lock_is_held+0xb5/0x140 [ 417.747748] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.753313] ? check_preemption_disabled+0x48/0x280 [ 417.758338] run_timer_softirq+0x52/0xb0 [ 417.762404] ? rcu_read_lock_sched_held+0x14f/0x180 [ 417.767428] __do_softirq+0x308/0xb7e [ 417.771233] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 417.775728] ? lock_downgrade+0x900/0x900 [ 417.779899] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 417.785009] ? pvclock_read_flags+0x160/0x160 [ 417.789520] ? lapic_next_event+0x5a/0x90 [ 417.793676] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.799219] ? kvm_clock_read+0x18/0x30 [ 417.803195] ? kvm_sched_clock_read+0x9/0x20 [ 417.807610] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.813149] ? check_preemption_disabled+0x48/0x280 [ 417.818189] irq_exit+0x17f/0x1c0 [ 417.821659] smp_apic_timer_interrupt+0x1cb/0x760 [ 417.826512] ? smp_reschedule_interrupt+0x109/0x650 [ 417.831545] ? smp_call_function_single_interrupt+0x650/0x650 [ 417.837430] ? interrupt_entry+0xb5/0xc0 [ 417.841496] ? trace_hardirqs_off_caller+0xbb/0x310 [ 417.846519] ? trace_hardirqs_off_caller+0xbb/0x310 [ 417.851548] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 417.856394] ? trace_hardirqs_on_caller+0x310/0x310 [ 417.861409] ? trace_hardirqs_on_caller+0x310/0x310 [ 417.866440] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 417.871291] apic_timer_interrupt+0xf/0x20 [ 417.875518] [ 417.877763] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 417.882696] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7 [ 417.901612] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 417.909335] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 417.916617] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286 [ 417.923886] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000 [ 417.931157] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 417.938424] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020 [ 417.945735] skb_clone+0x1bb/0x500 [ 417.949278] ? finish_task_switch+0x2f4/0x910 [ 417.953774] ? skb_split+0x11e0/0x11e0 [ 417.957677] ? preempt_notifier_register+0x200/0x200 [ 417.962779] ? __switch_to_asm+0x34/0x70 [ 417.966841] ? __switch_to_asm+0x34/0x70 [ 417.970905] ? __switch_to_asm+0x40/0x70 [ 417.974966] ? __switch_to_asm+0x34/0x70 [ 417.979032] ? __switch_to_asm+0x40/0x70 [ 417.983104] ? __switch_to_asm+0x34/0x70 [ 417.987162] ? __switch_to_asm+0x40/0x70 [ 417.991220] ? __switch_to_asm+0x34/0x70 [ 417.995282] ? __switch_to_asm+0x34/0x70 [ 417.999339] ? __switch_to_asm+0x40/0x70 [ 418.003400] ? __switch_to_asm+0x34/0x70 [ 418.007468] bpf_clone_redirect+0xb9/0x490 [ 418.011726] ? __schedule+0x8d7/0x21d0 [ 418.015618] bpf_prog_bebbfe2050753572+0x1d8/0x1000 [ 418.020637] ? __sched_text_start+0x8/0x8 [ 418.024803] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 418.029383] ? retint_kernel+0x2d/0x2d [ 418.033277] ? trace_hardirqs_on_caller+0xc0/0x310 [ 418.038219] ? find_held_lock+0x36/0x1c0 [ 418.042294] ? lock_acquire+0x1ed/0x520 [ 418.046291] ? bpf_test_run+0x3cb/0x780 [ 418.050280] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.055837] ? check_preemption_disabled+0x48/0x280 [ 418.060873] ? kasan_check_read+0x11/0x20 [ 418.065029] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 418.070306] ? rcu_softirq_qs+0x20/0x20 [ 418.074284] ? preempt_schedule+0x4d/0x60 [ 418.078435] ? ___preempt_schedule+0x16/0x18 [ 418.082853] ? bpf_test_run+0x25d/0x780 [ 418.086842] ? netlink_diag_dump+0x2a0/0x2a0 [ 418.091253] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 418.096795] ? bpf_test_init.isra.10+0x70/0x100 [ 418.101528] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 418.106305] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 418.111149] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 418.116687] ? fput+0x130/0x1a0 [ 418.119992] ? __bpf_prog_get+0x9b/0x290 [ 418.124063] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 418.128907] ? bpf_prog_test_run+0x130/0x1a0 [ 418.133320] ? __x64_sys_bpf+0x3d8/0x520 [ 418.137383] ? bpf_prog_get+0x20/0x20 [ 418.141203] ? do_syscall_64+0x1b9/0x820 [ 418.145264] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 418.150632] ? syscall_return_slowpath+0x5e0/0x5e0 [ 418.155567] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 418.160429] ? trace_hardirqs_on_caller+0x310/0x310 [ 418.165478] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 418.170496] ? prepare_exit_to_usermode+0x291/0x3b0 [ 418.175517] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 418.180371] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 418.185773] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145 [ 418.185778] warn_alloc_show_mem: 1 callbacks suppressed [ 418.185786] Mem-Info: [ 418.192809] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 418.198190] active_anon:51179 inactive_anon:236 isolated_anon:0 [ 418.198190] active_file:17 inactive_file:9 isolated_file:0 [ 418.198190] unevictable:0 dirty:0 writeback:0 unstable:0 [ 418.198190] slab_reclaimable:9362 slab_unreclaimable:1467319 [ 418.198190] mapped:16386 shmem:283 pagetables:457 bounce:0 [ 418.198190] free:13694 free_pcp:258 free_cma:0 [ 418.200563] Call Trace: [ 418.209971] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 418.242729] [ 418.245297] 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 [ 418.272792] dump_stack+0x244/0x39d [ 418.274916] lowmem_reserve[]: 0 2818 6321 6321 [ 418.301028] ? dump_stack_print_info.cold.1+0x20/0x20 [ 418.304627] Node 0 DMA32 free:24972kB 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:0kB local_pcp:0kB free_cma:0kB [ 418.309211] warn_alloc.cold.116+0xb7/0x1bd [ 418.314369] lowmem_reserve[]: 0 0 3503 3503 [ 418.341533] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 418.345870] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB [ 418.350190] ? lock_downgrade+0x900/0x900 [ 418.355006] lowmem_reserve[]: 0 0 0 0 [ 418.383992] ? trace_hardirqs_off+0xb8/0x310 [ 418.388116] 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 [ 418.391918] ? trace_hardirqs_off+0xb8/0x310 [ 418.396298] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB [ 418.409816] __alloc_pages_slowpath+0x26e8/0x2e10 [ 418.414201] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB [ 418.429391] ? warn_alloc+0x120/0x120 [ 418.434193] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 418.448396] ? print_usage_bug+0xc0/0xc0 [ 418.452179] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 418.461000] ? warn_alloc+0x120/0x120 [ 418.465063] 309 total pagecache pages [ 418.473631] ? warn_alloc+0x120/0x120 [ 418.477414] 0 pages in swap cache [ 418.481206] ? print_usage_bug+0xc0/0xc0 [ 418.484987] Swap cache stats: add 0, delete 0, find 0/0 [ 418.488428] ? print_usage_bug+0xc0/0xc0 [ 418.492465] Free swap = 0kB [ 418.497819] ? __lock_acquire+0x62f/0x4c20 [ 418.501855] Total swap = 0kB [ 418.504885] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 418.509095] 1965979 pages RAM [ 418.512109] ? should_fail+0x22d/0xd01 [ 418.517621] 0 pages HighMem/MovableOnly [ 418.520721] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 418.524607] 342853 pages reserved [ 418.528575] ? __lock_acquire+0x62f/0x4c20 [ 418.533655] 0 pages cma reserved [ 418.537121] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 418.541391] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 418.544696] ? __lock_acquire+0x62f/0x4c20 [ 418.544707] ? should_fail+0x22d/0xd01 [ 418.544720] ? find_held_lock+0x36/0x1c0 [ 418.544741] ? mark_held_locks+0x130/0x130 [ 418.549874] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 418.556306] ? mark_held_locks+0x130/0x130 [ 418.560516] syz-executor2 cpuset=syz2 mems_allowed=0 [ 418.564412] ? zap_class+0x640/0x640 [ 418.596153] ? zap_class+0x640/0x640 [ 418.599869] ? print_usage_bug+0xc0/0xc0 [ 418.603932] ? do_raw_spin_unlock+0xa7/0x330 [ 418.608360] ? zap_class+0x640/0x640 [ 418.612563] ? print_usage_bug+0xc0/0xc0 [ 418.616628] ? wq_watchdog_touch+0x9c/0xfe [ 418.620865] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.626420] ? check_preemption_disabled+0x48/0x280 [ 418.631446] ? __lock_is_held+0xb5/0x140 [ 418.635516] __alloc_pages_nodemask+0xa80/0xde0 [ 418.640184] ? zap_class+0x640/0x640 [ 418.643903] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 418.648932] ? find_held_lock+0x36/0x1c0 [ 418.653009] ? ____cache_alloc_node+0x1c7/0x1e0 [ 418.657695] ? lock_downgrade+0x900/0x900 [ 418.661894] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.667433] cache_grow_begin+0xa5/0x8c0 [ 418.671509] ? do_raw_spin_unlock+0xa7/0x330 [ 418.675927] fallback_alloc+0x204/0x2e0 [ 418.679910] ____cache_alloc_node+0x1c7/0x1e0 [ 418.684413] kmem_cache_alloc_node+0xe3/0x730 [ 418.688918] ? ipv6_get_ifaddr+0x42e/0x620 [ 418.693168] __alloc_skb+0x119/0x770 [ 418.696886] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 418.702173] ? netdev_alloc_frag+0x1f0/0x1f0 [ 418.706583] ? lock_downgrade+0x900/0x900 [ 418.710745] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.716286] ? refcount_sub_and_test_checked+0x203/0x310 [ 418.721746] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 418.727202] ? addrconf_rs_timer+0x690/0x690 [ 418.731628] ndisc_alloc_skb+0x144/0x340 [ 418.735700] ndisc_send_rs+0x331/0x6e0 [ 418.739599] addrconf_rs_timer+0x314/0x690 [ 418.743986] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 418.748276] call_timer_fn+0x272/0x920 [ 418.752186] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 418.756423] ? process_timeout+0x40/0x40 [ 418.760508] ? mark_held_locks+0xc7/0x130 [ 418.764698] ? _raw_spin_unlock_irq+0x27/0x80 [ 418.769192] ? _raw_spin_unlock_irq+0x27/0x80 [ 418.773704] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 418.777956] ? lockdep_hardirqs_on+0x296/0x5b0 [ 418.782577] ? trace_hardirqs_on+0xbd/0x310 [ 418.786901] ? kasan_check_read+0x11/0x20 [ 418.791057] ? __run_timers+0x7da/0xc70 [ 418.795042] ? trace_hardirqs_off_caller+0x310/0x310 [ 418.800166] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 418.804409] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 418.808642] __run_timers+0x7e5/0xc70 [ 418.812455] ? timer_fixup_init+0x70/0x70 [ 418.816608] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 418.821628] ? zap_class+0x640/0x640 [ 418.825368] ? print_usage_bug+0xc0/0xc0 [ 418.829445] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 418.834643] ? find_held_lock+0x36/0x1c0 [ 418.838709] ? zap_class+0x640/0x640 [ 418.842431] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.847974] ? check_preemption_disabled+0x48/0x280 [ 418.853005] ? __lock_is_held+0xb5/0x140 [ 418.857084] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.862623] ? check_preemption_disabled+0x48/0x280 [ 418.867648] run_timer_softirq+0x52/0xb0 [ 418.871713] ? rcu_read_lock_sched_held+0x14f/0x180 [ 418.876736] __do_softirq+0x308/0xb7e [ 418.880566] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 418.885069] ? lock_downgrade+0x900/0x900 [ 418.889222] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 418.894337] ? pvclock_read_flags+0x160/0x160 [ 418.898837] ? lapic_next_event+0x5a/0x90 [ 418.902989] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.908545] ? kvm_clock_read+0x18/0x30 [ 418.912521] ? kvm_sched_clock_read+0x9/0x20 [ 418.916948] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.922491] ? check_preemption_disabled+0x48/0x280 [ 418.927518] irq_exit+0x17f/0x1c0 [ 418.930976] smp_apic_timer_interrupt+0x1cb/0x760 [ 418.935816] ? smp_reschedule_interrupt+0x109/0x650 [ 418.940836] ? smp_call_function_single_interrupt+0x650/0x650 [ 418.946718] ? interrupt_entry+0xb5/0xc0 [ 418.950782] ? trace_hardirqs_off_caller+0xbb/0x310 [ 418.955796] ? trace_hardirqs_off_caller+0xbb/0x310 [ 418.960810] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 418.965669] ? trace_hardirqs_on_caller+0x310/0x310 [ 418.970685] ? trace_hardirqs_on_caller+0x310/0x310 [ 418.975705] ? task_prio+0x50/0x50 [ 418.979251] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.984833] ? check_preemption_disabled+0x48/0x280 [ 418.989856] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 418.994707] apic_timer_interrupt+0xf/0x20 [ 418.998938] [ 419.001196] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 419.006387] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 419.025289] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 419.033002] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e [ 419.040297] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc [ 419.047565] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 419.054833] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000 [ 419.062101] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 419.069399] retint_kernel+0x1b/0x2d [ 419.073117] RIP: 0010:dump_stack+0x358/0x39d [ 419.077523] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 419.096424] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 419.104134] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e [ 419.111404] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 419.118676] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 419.125946] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45 [ 419.133212] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 419.140515] ? dump_stack+0x34f/0x39d [ 419.144330] ? dump_stack_print_info.cold.1+0x20/0x20 [ 419.149557] ? mark_held_locks+0x130/0x130 [ 419.153810] ? mark_held_locks+0x130/0x130 [ 419.158061] dump_header+0x27b/0xf72 [ 419.161790] ? pagefault_out_of_memory+0x197/0x197 [ 419.166732] ? __lock_acquire+0x62f/0x4c20 [ 419.170971] ? percpu_ref_get_many+0x240/0x240 [ 419.175556] ? print_usage_bug+0xc0/0xc0 [ 419.179622] ? zap_class+0x640/0x640 [ 419.183337] ? print_usage_bug+0xc0/0xc0 [ 419.187397] ? print_usage_bug+0xc0/0xc0 [ 419.191463] ? zap_class+0x640/0x640 [ 419.195183] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.200724] ? find_held_lock+0x36/0x1c0 [ 419.204799] ? mark_held_locks+0xc7/0x130 [ 419.208954] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 419.214064] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 419.219169] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 419.223757] ? trace_hardirqs_on+0xbd/0x310 [ 419.228077] ? kasan_check_read+0x11/0x20 [ 419.232224] ? ___ratelimit+0x3b4/0x672 [ 419.236204] ? trace_hardirqs_off_caller+0x310/0x310 [ 419.241310] ? trace_hardirqs_on+0x310/0x310 [ 419.245724] ? lock_downgrade+0x900/0x900 [ 419.249879] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 419.255001] ? ___ratelimit+0x3b9/0x672 [ 419.258989] ? idr_get_free+0xf70/0xf70 [ 419.262970] ? find_held_lock+0x36/0x1c0 [ 419.267057] oom_kill_process.cold.27+0x10/0x903 [ 419.271818] ? zap_class+0x640/0x640 [ 419.275535] ? check_preemption_disabled+0x48/0x280 [ 419.280557] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 419.285501] ? kasan_check_read+0x11/0x20 [ 419.289653] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 419.294932] ? oom_evaluate_task+0x540/0x540 [ 419.299346] ? find_held_lock+0x36/0x1c0 [ 419.303418] ? out_of_memory+0x974/0x1430 [ 419.307615] ? lock_downgrade+0x900/0x900 [ 419.311763] ? check_preemption_disabled+0x48/0x280 [ 419.316817] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 419.321745] ? kasan_check_read+0x11/0x20 [ 419.325895] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 419.331174] ? rcu_softirq_qs+0x20/0x20 [ 419.335170] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 419.340711] ? oom_evaluate_task+0x302/0x540 [ 419.345129] out_of_memory+0xa84/0x1430 [ 419.349113] ? oom_killer_disable+0x3a0/0x3a0 [ 419.353611] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 419.358544] ? __ww_mutex_check_waiters+0x160/0x160 [ 419.363575] __alloc_pages_slowpath+0x2354/0x2e10 [ 419.368453] ? warn_alloc+0x120/0x120 [ 419.372256] ? mark_held_locks+0x130/0x130 [ 419.376498] ? find_get_entry+0xaae/0x1120 [ 419.380746] ? filemap_map_pages+0x1a20/0x1a20 [ 419.385335] ? zap_class+0x640/0x640 [ 419.389065] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.394604] ? check_preemption_disabled+0x48/0x280 [ 419.399623] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 419.405163] ? should_fail+0x22d/0xd01 [ 419.409064] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 419.414178] ? zap_class+0x640/0x640 [ 419.417923] ? __lock_is_held+0xb5/0x140 [ 419.421997] ? mark_held_locks+0x130/0x130 [ 419.426246] ? lock_release+0xa00/0xa00 [ 419.430222] ? perf_trace_sched_process_exec+0x860/0x860 [ 419.435686] ? xa_load+0x2ba/0x460 [ 419.439235] ? lock_downgrade+0x900/0x900 [ 419.443392] ? __might_sleep+0x95/0x190 [ 419.447376] __alloc_pages_nodemask+0xa80/0xde0 [ 419.452067] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 419.457103] ? __page_cache_alloc+0x191/0x5c0 [ 419.461598] ? xa_load+0x2e1/0x460 [ 419.465143] ? xa_clear_mark+0x40/0x40 [ 419.469046] ? zap_class+0x640/0x640 [ 419.472787] ? zap_class+0x640/0x640 [ 419.476501] ? zap_class+0x640/0x640 [ 419.480215] ? __do_page_cache_readahead+0x663/0x810 [ 419.485327] ? find_held_lock+0x36/0x1c0 [ 419.489425] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 419.494972] alloc_pages_current+0x173/0x350 [ 419.499389] __page_cache_alloc+0x38c/0x5c0 [ 419.503714] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 419.508673] ? kasan_check_read+0x11/0x20 [ 419.512833] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 419.518116] ? generic_perform_write+0x6a0/0x6a0 [ 419.522876] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 419.528420] ? check_preemption_disabled+0x48/0x280 [ 419.533479] filemap_fault+0x1595/0x25f0 [ 419.537570] ? __lock_page_or_retry+0xa00/0xa00 [ 419.542258] ? mark_held_locks+0x130/0x130 [ 419.546548] ? filemap_map_pages+0xd6b/0x1a20 [ 419.551065] ? lock_downgrade+0x900/0x900 [ 419.555213] ? check_preemption_disabled+0x48/0x280 [ 419.560230] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 419.565160] ? kasan_check_read+0x11/0x20 [ 419.569327] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 419.574608] ? rcu_softirq_qs+0x20/0x20 [ 419.578595] ? filemap_map_pages+0xd92/0x1a20 [ 419.583110] ? find_get_entries_tag+0x1400/0x1400 [ 419.587972] ? ep_scan_ready_list+0xbc7/0x1050 [ 419.592561] ? trace_hardirqs_off_caller+0x310/0x310 [ 419.597683] ? lock_acquire+0x1ed/0x520 [ 419.601659] ? ext4_filemap_fault+0x7a/0xad [ 419.606005] ? lock_release+0xa00/0xa00 [ 419.609992] ? perf_trace_sched_process_exec+0x860/0x860 [ 419.615457] ? print_usage_bug+0xc0/0xc0 [ 419.619520] ? print_usage_bug+0xc0/0xc0 [ 419.623596] ? down_read+0x8d/0x120 [ 419.627224] ? ext4_filemap_fault+0x7a/0xad [ 419.631547] ? __down_interruptible+0x700/0x700 [ 419.636231] ext4_filemap_fault+0x82/0xad [ 419.640386] __do_fault+0x100/0x6b0 [ 419.644028] ? pmd_devmap_trans_unstable+0x220/0x220 [ 419.649147] ? mark_held_locks+0x130/0x130 [ 419.653386] ? mark_held_locks+0x130/0x130 [ 419.657622] ? kasan_check_read+0x11/0x20 [ 419.661789] ? ep_poll+0xffa/0x13d0 [ 419.665421] ? trace_hardirqs_off_caller+0x310/0x310 [ 419.670532] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 419.676077] __handle_mm_fault+0x3ea0/0x5be0 [ 419.680502] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.686064] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 419.690912] ? do_epoll_create+0x590/0x590 [ 419.695151] ? kasan_check_read+0x11/0x20 [ 419.699299] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 419.704589] ? rcu_softirq_qs+0x20/0x20 [ 419.708604] ? zap_class+0x640/0x640 [ 419.712318] ? zap_class+0x640/0x640 [ 419.716051] ? find_held_lock+0x36/0x1c0 [ 419.720128] ? handle_mm_fault+0x42a/0xc70 [ 419.724366] ? lock_downgrade+0x900/0x900 [ 419.728520] ? check_preemption_disabled+0x48/0x280 [ 419.733544] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 419.738473] ? kasan_check_read+0x11/0x20 [ 419.742635] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 419.747915] ? rcu_softirq_qs+0x20/0x20 [ 419.751888] ? trace_hardirqs_off_caller+0x310/0x310 [ 419.757008] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 419.762610] ? check_preemption_disabled+0x48/0x280 [ 419.767637] handle_mm_fault+0x54f/0xc70 [ 419.771718] ? __handle_mm_fault+0x5be0/0x5be0 [ 419.776307] ? find_vma+0x34/0x190 [ 419.779867] __do_page_fault+0x5e8/0xe60 [ 419.783939] ? trace_hardirqs_off+0xb8/0x310 [ 419.788341] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 419.793901] do_page_fault+0xf2/0x7e0 [ 419.797703] ? vmalloc_sync_all+0x30/0x30 [ 419.801867] ? error_entry+0x70/0xd0 [ 419.805616] ? trace_hardirqs_off_caller+0xbb/0x310 [ 419.810635] ? trace_hardirqs_on_caller+0xc0/0x310 [ 419.815566] ? syscall_return_slowpath+0x5e0/0x5e0 [ 419.820492] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 419.825369] ? trace_hardirqs_on_caller+0x310/0x310 [ 419.830385] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 419.835884] ? prepare_exit_to_usermode+0x291/0x3b0 [ 419.840895] ? page_fault+0x8/0x30 [ 419.844453] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 419.849301] ? page_fault+0x8/0x30 [ 419.852841] page_fault+0x1e/0x30 [ 419.856307] RIP: 0033:0x45df89 [ 419.859524] Code: Bad RIP value. [ 419.862898] RSP: 002b:000000c42017b850 EFLAGS: 00010246 [ 419.868260] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89 [ 419.875530] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004 [ 419.882814] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500 [ 419.890083] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8 [ 419.897352] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff [ 419.904644] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145 [ 419.904726] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 419.912009] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 419.912027] Call Trace: [ 419.918595] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 419.927852] [ 419.930421] syz-fuzzer cpuset=/ mems_allowed=0 [ 419.940643] dump_stack+0x244/0x39d [ 419.950955] ? dump_stack_print_info.cold.1+0x20/0x20 [ 419.956174] warn_alloc.cold.116+0xb7/0x1bd [ 419.960498] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 419.965347] ? lock_downgrade+0x900/0x900 [ 419.969518] ? trace_hardirqs_off+0xb8/0x310 [ 419.973946] ? trace_hardirqs_off+0xb8/0x310 [ 419.978397] __alloc_pages_slowpath+0x26e8/0x2e10 [ 419.983271] ? warn_alloc+0x120/0x120 [ 419.987081] ? print_usage_bug+0xc0/0xc0 [ 419.991147] ? warn_alloc+0x120/0x120 [ 419.994956] ? warn_alloc+0x120/0x120 [ 419.998759] ? print_usage_bug+0xc0/0xc0 [ 420.002840] ? print_usage_bug+0xc0/0xc0 [ 420.006905] ? __lock_acquire+0x62f/0x4c20 [ 420.011149] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 420.016687] ? should_fail+0x22d/0xd01 [ 420.020612] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 420.025719] ? __lock_acquire+0x62f/0x4c20 [ 420.029958] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 420.035064] ? __lock_acquire+0x62f/0x4c20 [ 420.039303] ? should_fail+0x22d/0xd01 [ 420.043190] ? find_held_lock+0x36/0x1c0 [ 420.047273] ? mark_held_locks+0x130/0x130 [ 420.051508] ? mark_held_locks+0x130/0x130 [ 420.055746] ? zap_class+0x640/0x640 [ 420.059460] ? zap_class+0x640/0x640 [ 420.063179] ? print_usage_bug+0xc0/0xc0 [ 420.067246] ? do_raw_spin_unlock+0xa7/0x330 [ 420.071668] ? zap_class+0x640/0x640 [ 420.075381] ? print_usage_bug+0xc0/0xc0 [ 420.079471] ? wq_watchdog_touch+0x9c/0xfe [ 420.083714] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.089254] ? check_preemption_disabled+0x48/0x280 [ 420.094282] ? __lock_is_held+0xb5/0x140 [ 420.098348] __alloc_pages_nodemask+0xa80/0xde0 [ 420.103028] ? zap_class+0x640/0x640 [ 420.106751] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 420.111779] ? find_held_lock+0x36/0x1c0 [ 420.115852] ? ____cache_alloc_node+0x1c7/0x1e0 [ 420.120529] ? lock_downgrade+0x900/0x900 [ 420.124691] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.130239] cache_grow_begin+0xa5/0x8c0 [ 420.134306] ? do_raw_spin_unlock+0xa7/0x330 [ 420.138753] fallback_alloc+0x204/0x2e0 [ 420.142737] ____cache_alloc_node+0x1c7/0x1e0 [ 420.147242] kmem_cache_alloc_node+0xe3/0x730 [ 420.151742] ? ipv6_get_ifaddr+0x42e/0x620 [ 420.155990] __alloc_skb+0x119/0x770 [ 420.159709] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 420.164990] ? netdev_alloc_frag+0x1f0/0x1f0 [ 420.169407] ? lock_downgrade+0x900/0x900 [ 420.173567] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.179109] ? refcount_sub_and_test_checked+0x203/0x310 [ 420.184567] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 420.190027] ? addrconf_rs_timer+0x690/0x690 [ 420.194448] ndisc_alloc_skb+0x144/0x340 [ 420.198522] ndisc_send_rs+0x331/0x6e0 [ 420.202425] addrconf_rs_timer+0x314/0x690 [ 420.206686] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 420.210939] call_timer_fn+0x272/0x920 [ 420.214826] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 420.219079] ? process_timeout+0x40/0x40 [ 420.223147] ? __run_timers+0x7da/0xc70 [ 420.227151] ? _raw_spin_unlock_irq+0x27/0x80 [ 420.231646] ? _raw_spin_unlock_irq+0x27/0x80 [ 420.236156] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 420.240408] ? lockdep_hardirqs_on+0x296/0x5b0 [ 420.244991] ? trace_hardirqs_on+0xbd/0x310 [ 420.249318] ? kasan_check_read+0x11/0x20 [ 420.253476] ? __run_timers+0x7da/0xc70 [ 420.257449] ? trace_hardirqs_off_caller+0x310/0x310 [ 420.262563] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 420.266804] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 420.271055] __run_timers+0x7e5/0xc70 [ 420.274872] ? timer_fixup_init+0x70/0x70 [ 420.279031] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 420.284051] ? zap_class+0x640/0x640 [ 420.287769] ? enqueue_hrtimer+0x1a5/0x560 [ 420.292008] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 420.297216] ? find_held_lock+0x36/0x1c0 [ 420.301303] ? zap_class+0x640/0x640 [ 420.305044] ? pvclock_read_flags+0x160/0x160 [ 420.309548] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.315092] ? check_preemption_disabled+0x48/0x280 [ 420.320119] ? __lock_is_held+0xb5/0x140 [ 420.324186] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.329728] ? check_preemption_disabled+0x48/0x280 [ 420.334751] run_timer_softirq+0x52/0xb0 [ 420.338818] ? rcu_read_lock_sched_held+0x14f/0x180 [ 420.343835] __do_softirq+0x308/0xb7e [ 420.347642] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 420.352142] ? lock_downgrade+0x900/0x900 [ 420.356322] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 420.361435] ? pvclock_read_flags+0x160/0x160 [ 420.365936] ? lapic_next_event+0x5a/0x90 [ 420.370101] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.375644] ? kvm_clock_read+0x18/0x30 [ 420.379618] ? kvm_sched_clock_read+0x9/0x20 [ 420.384040] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.389581] ? check_preemption_disabled+0x48/0x280 [ 420.394637] irq_exit+0x17f/0x1c0 [ 420.398094] smp_apic_timer_interrupt+0x1cb/0x760 [ 420.402938] ? smp_reschedule_interrupt+0x109/0x650 [ 420.407955] ? smp_call_function_single_interrupt+0x650/0x650 [ 420.413839] ? interrupt_entry+0xb5/0xc0 [ 420.417905] ? trace_hardirqs_off_caller+0xbb/0x310 [ 420.422935] ? trace_hardirqs_off_caller+0xbb/0x310 [ 420.427955] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 420.432800] ? trace_hardirqs_on_caller+0x310/0x310 [ 420.437835] ? trace_hardirqs_on_caller+0x310/0x310 [ 420.442864] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 420.447728] apic_timer_interrupt+0xf/0x20 [ 420.451959] [ 420.454201] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 420.459131] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7 [ 420.478038] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 420.485749] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 420.493023] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286 [ 420.500301] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000 [ 420.507582] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 420.514848] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020 [ 420.522173] skb_clone+0x1bb/0x500 [ 420.525720] ? finish_task_switch+0x2f4/0x910 [ 420.530219] ? skb_split+0x11e0/0x11e0 [ 420.534110] ? preempt_notifier_register+0x200/0x200 [ 420.539231] ? __switch_to_asm+0x34/0x70 [ 420.543310] ? __switch_to_asm+0x34/0x70 [ 420.547369] ? __switch_to_asm+0x40/0x70 [ 420.551428] ? __switch_to_asm+0x34/0x70 [ 420.555487] ? __switch_to_asm+0x40/0x70 [ 420.559552] ? __switch_to_asm+0x34/0x70 [ 420.563615] ? __switch_to_asm+0x40/0x70 [ 420.567686] ? __switch_to_asm+0x34/0x70 [ 420.571749] ? __switch_to_asm+0x34/0x70 [ 420.575823] ? __switch_to_asm+0x40/0x70 [ 420.579895] ? __switch_to_asm+0x34/0x70 [ 420.583963] bpf_clone_redirect+0xb9/0x490 [ 420.588213] ? __schedule+0x8d7/0x21d0 [ 420.592106] bpf_prog_bebbfe2050753572+0x1d8/0x1000 [ 420.597127] ? __sched_text_start+0x8/0x8 [ 420.601280] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 420.605865] ? retint_kernel+0x2d/0x2d [ 420.609758] ? trace_hardirqs_on_caller+0xc0/0x310 [ 420.614830] ? find_held_lock+0x36/0x1c0 [ 420.618901] ? lock_acquire+0x1ed/0x520 [ 420.622875] ? bpf_test_run+0x3cb/0x780 [ 420.626852] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.632389] ? check_preemption_disabled+0x48/0x280 [ 420.637413] ? kasan_check_read+0x11/0x20 [ 420.641574] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 420.646866] ? rcu_softirq_qs+0x20/0x20 [ 420.650847] ? preempt_schedule+0x4d/0x60 [ 420.654997] ? ___preempt_schedule+0x16/0x18 [ 420.659424] ? bpf_test_run+0x25d/0x780 [ 420.663411] ? netlink_diag_dump+0x2a0/0x2a0 [ 420.667824] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 420.673365] ? bpf_test_init.isra.10+0x70/0x100 [ 420.678073] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 420.682845] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 420.687708] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 420.693246] ? fput+0x130/0x1a0 [ 420.696526] ? __bpf_prog_get+0x9b/0x290 [ 420.700597] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 420.705441] ? bpf_prog_test_run+0x130/0x1a0 [ 420.709854] ? __x64_sys_bpf+0x3d8/0x520 [ 420.713918] ? bpf_prog_get+0x20/0x20 [ 420.717751] ? do_syscall_64+0x1b9/0x820 [ 420.721811] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 420.727180] ? syscall_return_slowpath+0x5e0/0x5e0 [ 420.732127] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 420.736970] ? trace_hardirqs_on_caller+0x310/0x310 [ 420.741988] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 420.747464] ? prepare_exit_to_usermode+0x291/0x3b0 [ 420.752487] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 420.757338] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 420.762772] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145 [ 420.762777] warn_alloc_show_mem: 1 callbacks suppressed [ 420.762793] Mem-Info: [ 420.769821] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 420.775191] active_anon:51179 inactive_anon:236 isolated_anon:0 [ 420.775191] active_file:17 inactive_file:9 isolated_file:0 [ 420.775191] unevictable:0 dirty:0 writeback:0 unstable:0 [ 420.775191] slab_reclaimable:9362 slab_unreclaimable:1467319 [ 420.775191] mapped:16386 shmem:283 pagetables:457 bounce:0 [ 420.775191] free:13694 free_pcp:258 free_cma:0 [ 420.777563] Call Trace: [ 420.786949] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 420.819702] [ 420.822269] 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 [ 420.849761] dump_stack+0x244/0x39d [ 420.851886] lowmem_reserve[]: 0 2818 6321 6321 [ 420.878009] ? dump_stack_print_info.cold.1+0x20/0x20 [ 420.881651] Node 0 DMA32 free:24972kB 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:0kB local_pcp:0kB free_cma:0kB [ 420.886239] warn_alloc.cold.116+0xb7/0x1bd [ 420.891400] lowmem_reserve[]: 0 0 3503 3503 [ 420.918554] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 420.922850] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB [ 420.927167] ? lock_downgrade+0x900/0x900 [ 420.931985] lowmem_reserve[]: 0 0 0 0 [ 420.960976] ? trace_hardirqs_off+0xb8/0x310 [ 420.965110] 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 [ 420.968907] ? trace_hardirqs_off+0xb8/0x310 [ 420.973287] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB [ 420.986807] __alloc_pages_slowpath+0x26e8/0x2e10 [ 420.991203] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB [ 421.006392] ? warn_alloc+0x120/0x120 [ 421.011196] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 421.025431] ? print_usage_bug+0xc0/0xc0 [ 421.029225] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 421.038052] ? warn_alloc+0x120/0x120 [ 421.042151] 309 total pagecache pages [ 421.050720] ? warn_alloc+0x120/0x120 [ 421.054497] 0 pages in swap cache [ 421.058315] ? print_usage_bug+0xc0/0xc0 [ 421.062097] Swap cache stats: add 0, delete 0, find 0/0 [ 421.065540] ? kvm_clock_read+0x18/0x30 [ 421.069611] Free swap = 0kB [ 421.074970] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 421.078922] Total swap = 0kB [ 421.081935] ? print_usage_bug+0xc0/0xc0 [ 421.086923] 1965979 pages RAM [ 421.089933] ? __lock_acquire+0x62f/0x4c20 [ 421.093971] 0 pages HighMem/MovableOnly [ 421.097088] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 421.101298] 342853 pages reserved [ 421.105264] ? should_fail+0x22d/0xd01 [ 421.110790] 0 pages cma reserved [ 421.114256] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 421.118185] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 421.121484] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 421.126839] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 421.133241] ? __lock_acquire+0x62f/0x4c20 [ 421.138321] syz-executor2 cpuset=syz2 mems_allowed=0 [ 421.148802] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 421.163204] ? __lock_acquire+0x62f/0x4c20 [ 421.167436] ? should_fail+0x22d/0xd01 [ 421.171318] ? rcu_irq_exit+0x1a2/0x390 [ 421.175329] ? mark_held_locks+0x130/0x130 [ 421.179596] ? mark_held_locks+0x130/0x130 [ 421.183865] ? mark_held_locks+0xc7/0x130 [ 421.188024] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 421.193080] ? zap_class+0x640/0x640 [ 421.196797] ? print_usage_bug+0xc0/0xc0 [ 421.200863] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.206407] ? check_preemption_disabled+0x48/0x280 [ 421.211436] ? __lock_is_held+0xb5/0x140 [ 421.215503] __alloc_pages_nodemask+0xa80/0xde0 [ 421.220198] ? zap_class+0x640/0x640 [ 421.223928] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 421.228956] ? find_held_lock+0x36/0x1c0 [ 421.233041] ? ____cache_alloc_node+0x1c7/0x1e0 [ 421.237725] ? lock_downgrade+0x900/0x900 [ 421.241886] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.247432] cache_grow_begin+0xa5/0x8c0 [ 421.251505] ? do_raw_spin_unlock+0xa7/0x330 [ 421.255925] fallback_alloc+0x204/0x2e0 [ 421.259910] ____cache_alloc_node+0x1c7/0x1e0 [ 421.264412] kmem_cache_alloc_node+0xe3/0x730 [ 421.268926] ? ipv6_get_ifaddr+0x42e/0x620 [ 421.273174] __alloc_skb+0x119/0x770 [ 421.276887] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 421.282190] ? netdev_alloc_frag+0x1f0/0x1f0 [ 421.286591] ? lock_downgrade+0x900/0x900 [ 421.290749] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.296302] ? refcount_sub_and_test_checked+0x203/0x310 [ 421.301774] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 421.307228] ? addrconf_rs_timer+0x690/0x690 [ 421.311647] ndisc_alloc_skb+0x144/0x340 [ 421.315745] ndisc_send_rs+0x331/0x6e0 [ 421.319638] addrconf_rs_timer+0x314/0x690 [ 421.323879] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 421.328128] call_timer_fn+0x272/0x920 [ 421.332024] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 421.336265] ? process_timeout+0x40/0x40 [ 421.340338] ? mark_held_locks+0xc7/0x130 [ 421.344539] ? _raw_spin_unlock_irq+0x27/0x80 [ 421.349049] ? _raw_spin_unlock_irq+0x27/0x80 [ 421.353559] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 421.357810] ? lockdep_hardirqs_on+0x296/0x5b0 [ 421.362427] ? trace_hardirqs_on+0xbd/0x310 [ 421.366763] ? kasan_check_read+0x11/0x20 [ 421.370909] ? __run_timers+0x7da/0xc70 [ 421.374884] ? trace_hardirqs_off_caller+0x310/0x310 [ 421.379994] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 421.384244] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 421.388477] __run_timers+0x7e5/0xc70 [ 421.392291] ? timer_fixup_init+0x70/0x70 [ 421.396456] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 421.401478] ? zap_class+0x640/0x640 [ 421.405200] ? print_usage_bug+0xc0/0xc0 [ 421.409278] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 421.414474] ? find_held_lock+0x36/0x1c0 [ 421.418539] ? zap_class+0x640/0x640 [ 421.422272] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.427812] ? check_preemption_disabled+0x48/0x280 [ 421.432841] ? __lock_is_held+0xb5/0x140 [ 421.436904] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.442442] ? check_preemption_disabled+0x48/0x280 [ 421.447463] run_timer_softirq+0x52/0xb0 [ 421.451529] ? rcu_read_lock_sched_held+0x14f/0x180 [ 421.456552] __do_softirq+0x308/0xb7e [ 421.460353] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 421.464862] ? lock_downgrade+0x900/0x900 [ 421.469022] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 421.474140] ? pvclock_read_flags+0x160/0x160 [ 421.478640] ? lapic_next_event+0x5a/0x90 [ 421.482800] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.488340] ? kvm_clock_read+0x18/0x30 [ 421.492342] ? kvm_sched_clock_read+0x9/0x20 [ 421.496771] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.502325] ? check_preemption_disabled+0x48/0x280 [ 421.507382] irq_exit+0x17f/0x1c0 [ 421.510837] smp_apic_timer_interrupt+0x1cb/0x760 [ 421.515680] ? smp_reschedule_interrupt+0x109/0x650 [ 421.520697] ? smp_call_function_single_interrupt+0x650/0x650 [ 421.526587] ? interrupt_entry+0xb5/0xc0 [ 421.530651] ? trace_hardirqs_off_caller+0xbb/0x310 [ 421.535673] ? trace_hardirqs_off_caller+0xbb/0x310 [ 421.540865] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 421.545714] ? trace_hardirqs_on_caller+0x310/0x310 [ 421.550730] ? trace_hardirqs_on_caller+0x310/0x310 [ 421.555745] ? task_prio+0x50/0x50 [ 421.559289] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.564857] ? check_preemption_disabled+0x48/0x280 [ 421.569906] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 421.574755] apic_timer_interrupt+0xf/0x20 [ 421.578982] [ 421.581228] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 421.586417] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 421.605317] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 421.613032] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e [ 421.620305] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc [ 421.627575] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 421.634838] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000 [ 421.642133] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 421.649433] retint_kernel+0x1b/0x2d [ 421.653153] RIP: 0010:dump_stack+0x358/0x39d [ 421.657558] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 421.676455] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 421.684162] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e [ 421.691428] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 421.698693] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 421.705978] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45 [ 421.713252] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 421.720538] ? dump_stack+0x34f/0x39d [ 421.724351] ? dump_stack_print_info.cold.1+0x20/0x20 [ 421.729559] ? mark_held_locks+0x130/0x130 [ 421.733826] ? mark_held_locks+0x130/0x130 [ 421.738083] dump_header+0x27b/0xf72 [ 421.741823] ? pagefault_out_of_memory+0x197/0x197 [ 421.746772] ? __lock_acquire+0x62f/0x4c20 [ 421.751007] ? percpu_ref_get_many+0x240/0x240 [ 421.755608] ? print_usage_bug+0xc0/0xc0 [ 421.759695] ? zap_class+0x640/0x640 [ 421.763450] ? print_usage_bug+0xc0/0xc0 [ 421.767552] ? print_usage_bug+0xc0/0xc0 [ 421.771628] ? zap_class+0x640/0x640 [ 421.775360] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.780902] ? find_held_lock+0x36/0x1c0 [ 421.784990] ? mark_held_locks+0xc7/0x130 [ 421.789158] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 421.794288] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 421.799394] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 421.803975] ? trace_hardirqs_on+0xbd/0x310 [ 421.808300] ? kasan_check_read+0x11/0x20 [ 421.812463] ? ___ratelimit+0x3b4/0x672 [ 421.816458] ? trace_hardirqs_off_caller+0x310/0x310 [ 421.821598] ? trace_hardirqs_on+0x310/0x310 [ 421.826009] ? lock_downgrade+0x900/0x900 [ 421.830174] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 421.835283] ? ___ratelimit+0x3b9/0x672 [ 421.839263] ? idr_get_free+0xf70/0xf70 [ 421.843240] ? find_held_lock+0x36/0x1c0 [ 421.847317] oom_kill_process.cold.27+0x10/0x903 [ 421.852076] ? zap_class+0x640/0x640 [ 421.855790] ? check_preemption_disabled+0x48/0x280 [ 421.860823] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 421.865753] ? kasan_check_read+0x11/0x20 [ 421.869899] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 421.875178] ? oom_evaluate_task+0x540/0x540 [ 421.879596] ? find_held_lock+0x36/0x1c0 [ 421.883685] ? out_of_memory+0x974/0x1430 [ 421.887834] ? lock_downgrade+0x900/0x900 [ 421.891980] ? check_preemption_disabled+0x48/0x280 [ 421.897022] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 421.901961] ? kasan_check_read+0x11/0x20 [ 421.906114] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 421.911390] ? rcu_softirq_qs+0x20/0x20 [ 421.915368] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 421.920906] ? oom_evaluate_task+0x302/0x540 [ 421.925348] out_of_memory+0xa84/0x1430 [ 421.929329] ? oom_killer_disable+0x3a0/0x3a0 [ 421.933825] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 421.938759] ? __ww_mutex_check_waiters+0x160/0x160 [ 421.943791] __alloc_pages_slowpath+0x2354/0x2e10 [ 421.948666] ? warn_alloc+0x120/0x120 [ 421.952469] ? mark_held_locks+0x130/0x130 [ 421.956711] ? find_get_entry+0xaae/0x1120 [ 421.960956] ? filemap_map_pages+0x1a20/0x1a20 [ 421.965545] ? zap_class+0x640/0x640 [ 421.969285] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.974826] ? check_preemption_disabled+0x48/0x280 [ 421.979854] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 421.985410] ? should_fail+0x22d/0xd01 [ 421.989302] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 421.994410] ? zap_class+0x640/0x640 [ 421.998147] ? __lock_is_held+0xb5/0x140 [ 422.002230] ? mark_held_locks+0x130/0x130 [ 422.006469] ? lock_release+0xa00/0xa00 [ 422.010441] ? perf_trace_sched_process_exec+0x860/0x860 [ 422.015893] ? xa_load+0x2ba/0x460 [ 422.019451] ? lock_downgrade+0x900/0x900 [ 422.023604] ? __might_sleep+0x95/0x190 [ 422.027598] __alloc_pages_nodemask+0xa80/0xde0 [ 422.032275] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 422.037291] ? __page_cache_alloc+0x191/0x5c0 [ 422.041788] ? xa_load+0x2e1/0x460 [ 422.045329] ? xa_clear_mark+0x40/0x40 [ 422.049233] ? zap_class+0x640/0x640 [ 422.052956] ? zap_class+0x640/0x640 [ 422.056671] ? zap_class+0x640/0x640 [ 422.060383] ? __do_page_cache_readahead+0x663/0x810 [ 422.065503] ? find_held_lock+0x36/0x1c0 [ 422.069567] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 422.075115] alloc_pages_current+0x173/0x350 [ 422.079531] __page_cache_alloc+0x38c/0x5c0 [ 422.083851] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 422.088783] ? kasan_check_read+0x11/0x20 [ 422.092933] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 422.098214] ? generic_perform_write+0x6a0/0x6a0 [ 422.102984] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 422.108528] ? check_preemption_disabled+0x48/0x280 [ 422.113571] filemap_fault+0x1595/0x25f0 [ 422.117646] ? __lock_page_or_retry+0xa00/0xa00 [ 422.122321] ? mark_held_locks+0x130/0x130 [ 422.126565] ? filemap_map_pages+0xd6b/0x1a20 [ 422.131066] ? lock_downgrade+0x900/0x900 [ 422.135217] ? check_preemption_disabled+0x48/0x280 [ 422.140237] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 422.145167] ? kasan_check_read+0x11/0x20 [ 422.149315] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 422.154594] ? rcu_softirq_qs+0x20/0x20 [ 422.158581] ? filemap_map_pages+0xd92/0x1a20 [ 422.163091] ? find_get_entries_tag+0x1400/0x1400 [ 422.167936] ? ep_scan_ready_list+0xbc7/0x1050 [ 422.172524] ? trace_hardirqs_off_caller+0x310/0x310 [ 422.177643] ? lock_acquire+0x1ed/0x520 [ 422.181616] ? ext4_filemap_fault+0x7a/0xad [ 422.185947] ? lock_release+0xa00/0xa00 [ 422.189921] ? perf_trace_sched_process_exec+0x860/0x860 [ 422.195374] ? print_usage_bug+0xc0/0xc0 [ 422.199436] ? print_usage_bug+0xc0/0xc0 [ 422.203522] ? down_read+0x8d/0x120 [ 422.207162] ? ext4_filemap_fault+0x7a/0xad [ 422.211490] ? __down_interruptible+0x700/0x700 [ 422.216175] ext4_filemap_fault+0x82/0xad [ 422.220330] __do_fault+0x100/0x6b0 [ 422.223969] ? pmd_devmap_trans_unstable+0x220/0x220 [ 422.229080] ? mark_held_locks+0x130/0x130 [ 422.233331] ? mark_held_locks+0x130/0x130 [ 422.237569] ? kasan_check_read+0x11/0x20 [ 422.241730] ? ep_poll+0xffa/0x13d0 [ 422.245363] ? trace_hardirqs_off_caller+0x310/0x310 [ 422.250470] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 422.256012] __handle_mm_fault+0x3ea0/0x5be0 [ 422.260435] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.265983] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 422.270856] ? do_epoll_create+0x590/0x590 [ 422.275093] ? kasan_check_read+0x11/0x20 [ 422.279243] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 422.284521] ? rcu_softirq_qs+0x20/0x20 [ 422.288525] ? zap_class+0x640/0x640 [ 422.292258] ? zap_class+0x640/0x640 [ 422.295993] ? find_held_lock+0x36/0x1c0 [ 422.300077] ? handle_mm_fault+0x42a/0xc70 [ 422.304316] ? lock_downgrade+0x900/0x900 [ 422.308467] ? check_preemption_disabled+0x48/0x280 [ 422.313487] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 422.318422] ? kasan_check_read+0x11/0x20 [ 422.322571] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 422.327863] ? rcu_softirq_qs+0x20/0x20 [ 422.331850] ? trace_hardirqs_off_caller+0x310/0x310 [ 422.336954] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 422.342494] ? check_preemption_disabled+0x48/0x280 [ 422.347536] handle_mm_fault+0x54f/0xc70 [ 422.351618] ? __handle_mm_fault+0x5be0/0x5be0 [ 422.356204] ? find_vma+0x34/0x190 [ 422.359766] __do_page_fault+0x5e8/0xe60 [ 422.363828] ? trace_hardirqs_off+0xb8/0x310 [ 422.368240] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 422.373790] do_page_fault+0xf2/0x7e0 [ 422.377593] ? vmalloc_sync_all+0x30/0x30 [ 422.381743] ? error_entry+0x70/0xd0 [ 422.385460] ? trace_hardirqs_off_caller+0xbb/0x310 [ 422.390489] ? trace_hardirqs_on_caller+0xc0/0x310 [ 422.395418] ? syscall_return_slowpath+0x5e0/0x5e0 [ 422.400346] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 422.405193] ? trace_hardirqs_on_caller+0x310/0x310 [ 422.410211] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 422.415665] ? prepare_exit_to_usermode+0x291/0x3b0 [ 422.420682] ? page_fault+0x8/0x30 [ 422.424225] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 422.429077] ? page_fault+0x8/0x30 [ 422.432620] page_fault+0x1e/0x30 [ 422.436073] RIP: 0033:0x45df89 [ 422.439276] Code: Bad RIP value. [ 422.442636] RSP: 002b:000000c42017b850 EFLAGS: 00010246 [ 422.447997] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89 [ 422.455268] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004 [ 422.462536] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500 [ 422.469803] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8 [ 422.477075] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff [ 422.484368] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145 [ 422.484441] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 422.491741] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 422.491750] Call Trace: [ 422.498378] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 422.507576] [ 422.510144] syz-fuzzer cpuset=/ mems_allowed=0 [ 422.520363] dump_stack+0x244/0x39d [ 422.530672] ? dump_stack_print_info.cold.1+0x20/0x20 [ 422.535899] warn_alloc.cold.116+0xb7/0x1bd [ 422.540225] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 422.545083] ? lock_downgrade+0x900/0x900 [ 422.549241] ? trace_hardirqs_off+0xb8/0x310 [ 422.553659] ? trace_hardirqs_off+0xb8/0x310 [ 422.558076] __alloc_pages_slowpath+0x26e8/0x2e10 [ 422.562946] ? warn_alloc+0x120/0x120 [ 422.566751] ? print_usage_bug+0xc0/0xc0 [ 422.570817] ? warn_alloc+0x120/0x120 [ 422.574624] ? warn_alloc+0x120/0x120 [ 422.578428] ? print_usage_bug+0xc0/0xc0 [ 422.582493] ? kvm_clock_read+0x18/0x30 [ 422.586485] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 422.591501] ? print_usage_bug+0xc0/0xc0 [ 422.595567] ? __lock_acquire+0x62f/0x4c20 [ 422.599811] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 422.605352] ? should_fail+0x22d/0xd01 [ 422.609239] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 422.614626] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 422.619731] ? __lock_acquire+0x62f/0x4c20 [ 422.623969] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 422.629256] ? __lock_acquire+0x62f/0x4c20 [ 422.633487] ? should_fail+0x22d/0xd01 [ 422.637387] ? rcu_irq_exit+0x1a2/0x390 [ 422.641403] ? mark_held_locks+0x130/0x130 [ 422.645641] ? mark_held_locks+0x130/0x130 [ 422.649881] ? mark_held_locks+0xc7/0x130 [ 422.654049] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 422.659088] ? zap_class+0x640/0x640 [ 422.662804] ? print_usage_bug+0xc0/0xc0 [ 422.666873] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.672411] ? check_preemption_disabled+0x48/0x280 [ 422.677438] ? __lock_is_held+0xb5/0x140 [ 422.681507] __alloc_pages_nodemask+0xa80/0xde0 [ 422.686183] ? zap_class+0x640/0x640 [ 422.689903] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 422.694930] ? find_held_lock+0x36/0x1c0 [ 422.699006] ? ____cache_alloc_node+0x1c7/0x1e0 [ 422.703704] ? lock_downgrade+0x900/0x900 [ 422.707867] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.713411] cache_grow_begin+0xa5/0x8c0 [ 422.717473] ? do_raw_spin_unlock+0xa7/0x330 [ 422.721888] fallback_alloc+0x204/0x2e0 [ 422.725872] ____cache_alloc_node+0x1c7/0x1e0 [ 422.730376] kmem_cache_alloc_node+0xe3/0x730 [ 422.734874] ? ipv6_get_ifaddr+0x42e/0x620 [ 422.739125] __alloc_skb+0x119/0x770 [ 422.743048] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 422.748365] ? netdev_alloc_frag+0x1f0/0x1f0 [ 422.752778] ? lock_downgrade+0x900/0x900 [ 422.756952] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.762518] ? refcount_sub_and_test_checked+0x203/0x310 [ 422.768034] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 422.773501] ? addrconf_rs_timer+0x690/0x690 [ 422.777923] ndisc_alloc_skb+0x144/0x340 [ 422.781987] ndisc_send_rs+0x331/0x6e0 [ 422.785888] addrconf_rs_timer+0x314/0x690 [ 422.790130] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 422.794380] call_timer_fn+0x272/0x920 [ 422.798269] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 422.802503] ? process_timeout+0x40/0x40 [ 422.806576] ? __run_timers+0x7da/0xc70 [ 422.810556] ? _raw_spin_unlock_irq+0x27/0x80 [ 422.815054] ? _raw_spin_unlock_irq+0x27/0x80 [ 422.819569] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 422.823833] ? lockdep_hardirqs_on+0x296/0x5b0 [ 422.828417] ? trace_hardirqs_on+0xbd/0x310 [ 422.832743] ? kasan_check_read+0x11/0x20 [ 422.836890] ? __run_timers+0x7da/0xc70 [ 422.840867] ? trace_hardirqs_off_caller+0x310/0x310 [ 422.845977] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 422.850221] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 422.854460] __run_timers+0x7e5/0xc70 [ 422.858277] ? timer_fixup_init+0x70/0x70 [ 422.862443] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 422.867461] ? zap_class+0x640/0x640 [ 422.871182] ? enqueue_hrtimer+0x1a5/0x560 [ 422.875424] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 422.880638] ? find_held_lock+0x36/0x1c0 [ 422.884731] ? zap_class+0x640/0x640 [ 422.888452] ? pvclock_read_flags+0x160/0x160 [ 422.892953] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.898494] ? check_preemption_disabled+0x48/0x280 [ 422.903523] ? __lock_is_held+0xb5/0x140 [ 422.907587] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.913170] ? check_preemption_disabled+0x48/0x280 [ 422.918236] run_timer_softirq+0x52/0xb0 [ 422.922318] ? rcu_read_lock_sched_held+0x14f/0x180 [ 422.927341] __do_softirq+0x308/0xb7e [ 422.931145] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 422.935643] ? lock_downgrade+0x900/0x900 [ 422.939809] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 422.944919] ? pvclock_read_flags+0x160/0x160 [ 422.949434] ? lapic_next_event+0x5a/0x90 [ 422.953582] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.959141] ? kvm_clock_read+0x18/0x30 [ 422.963115] ? kvm_sched_clock_read+0x9/0x20 [ 422.967525] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.973070] ? check_preemption_disabled+0x48/0x280 [ 422.978097] irq_exit+0x17f/0x1c0 [ 422.981556] smp_apic_timer_interrupt+0x1cb/0x760 [ 422.986400] ? smp_reschedule_interrupt+0x109/0x650 [ 422.991435] ? smp_call_function_single_interrupt+0x650/0x650 [ 422.997320] ? interrupt_entry+0xb5/0xc0 [ 423.001384] ? trace_hardirqs_off_caller+0xbb/0x310 [ 423.006420] ? trace_hardirqs_off_caller+0xbb/0x310 [ 423.011451] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 423.016311] ? trace_hardirqs_on_caller+0x310/0x310 [ 423.021326] ? trace_hardirqs_on_caller+0x310/0x310 [ 423.026354] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 423.031207] apic_timer_interrupt+0xf/0x20 [ 423.035436] [ 423.037676] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 423.042617] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7 [ 423.061515] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 423.069229] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 423.076499] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286 [ 423.083769] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000 [ 423.091045] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 423.098343] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020 [ 423.105652] skb_clone+0x1bb/0x500 [ 423.109195] ? finish_task_switch+0x2f4/0x910 [ 423.113691] ? skb_split+0x11e0/0x11e0 [ 423.117582] ? preempt_notifier_register+0x200/0x200 [ 423.122681] ? __switch_to_asm+0x34/0x70 [ 423.126738] ? __switch_to_asm+0x34/0x70 [ 423.130799] ? __switch_to_asm+0x40/0x70 [ 423.134857] ? __switch_to_asm+0x34/0x70 [ 423.138932] ? __switch_to_asm+0x40/0x70 [ 423.142993] ? __switch_to_asm+0x34/0x70 [ 423.147082] ? __switch_to_asm+0x40/0x70 [ 423.151156] ? __switch_to_asm+0x34/0x70 [ 423.155216] ? __switch_to_asm+0x34/0x70 [ 423.159274] ? __switch_to_asm+0x40/0x70 [ 423.163332] ? __switch_to_asm+0x34/0x70 [ 423.167399] bpf_clone_redirect+0xb9/0x490 [ 423.171683] ? __schedule+0x8d7/0x21d0 [ 423.175593] bpf_prog_bebbfe2050753572+0x1d8/0x1000 [ 423.180611] ? __sched_text_start+0x8/0x8 [ 423.184763] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 423.189344] ? retint_kernel+0x2d/0x2d [ 423.193236] ? trace_hardirqs_on_caller+0xc0/0x310 [ 423.198173] ? find_held_lock+0x36/0x1c0 [ 423.202259] ? lock_acquire+0x1ed/0x520 [ 423.206235] ? bpf_test_run+0x3cb/0x780 [ 423.210230] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.215790] ? check_preemption_disabled+0x48/0x280 [ 423.220816] ? kasan_check_read+0x11/0x20 [ 423.224968] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 423.230276] ? rcu_softirq_qs+0x20/0x20 [ 423.234266] ? preempt_schedule+0x4d/0x60 [ 423.238432] ? ___preempt_schedule+0x16/0x18 [ 423.242853] ? bpf_test_run+0x25d/0x780 [ 423.246843] ? netlink_diag_dump+0x2a0/0x2a0 [ 423.251255] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.256797] ? bpf_test_init.isra.10+0x70/0x100 [ 423.261487] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 423.266271] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 423.271115] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 423.276686] ? fput+0x130/0x1a0 [ 423.279985] ? __bpf_prog_get+0x9b/0x290 [ 423.284066] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 423.288907] ? bpf_prog_test_run+0x130/0x1a0 [ 423.293324] ? __x64_sys_bpf+0x3d8/0x520 [ 423.297389] ? bpf_prog_get+0x20/0x20 [ 423.301214] ? do_syscall_64+0x1b9/0x820 [ 423.305282] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 423.310663] ? syscall_return_slowpath+0x5e0/0x5e0 [ 423.315592] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 423.320438] ? trace_hardirqs_on_caller+0x310/0x310 [ 423.325455] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 423.330472] ? prepare_exit_to_usermode+0x291/0x3b0 [ 423.335508] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 423.340378] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 423.345849] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145 [ 423.345855] warn_alloc_show_mem: 1 callbacks suppressed [ 423.345862] Mem-Info: [ 423.352876] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 423.358250] active_anon:51179 inactive_anon:236 isolated_anon:0 [ 423.358250] active_file:17 inactive_file:9 isolated_file:0 [ 423.358250] unevictable:0 dirty:0 writeback:0 unstable:0 [ 423.358250] slab_reclaimable:9362 slab_unreclaimable:1467319 [ 423.358250] mapped:16386 shmem:283 pagetables:457 bounce:0 [ 423.358250] free:13694 free_pcp:258 free_cma:0 [ 423.360619] Call Trace: [ 423.370030] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 423.402782] [ 423.405351] 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 [ 423.432847] dump_stack+0x244/0x39d [ 423.434970] lowmem_reserve[]: 0 2818 6321 6321 [ 423.461090] ? dump_stack_print_info.cold.1+0x20/0x20 [ 423.464691] Node 0 DMA32 free:24972kB 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:0kB local_pcp:0kB free_cma:0kB [ 423.469275] warn_alloc.cold.116+0xb7/0x1bd [ 423.474432] lowmem_reserve[]: 0 0 3503 3503 [ 423.501576] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 423.505875] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB [ 423.510190] ? lock_downgrade+0x900/0x900 [ 423.515006] lowmem_reserve[]: 0 0 0 0 [ 423.544028] ? trace_hardirqs_off+0xb8/0x310 [ 423.548147] 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 [ 423.551942] ? trace_hardirqs_off+0xb8/0x310 [ 423.556325] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB [ 423.569848] __alloc_pages_slowpath+0x26e8/0x2e10 [ 423.574231] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB [ 423.589424] ? warn_alloc+0x120/0x120 [ 423.594226] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 423.608519] ? print_usage_bug+0xc0/0xc0 [ 423.612304] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 423.621125] ? warn_alloc+0x120/0x120 [ 423.625179] 309 total pagecache pages [ 423.633758] ? warn_alloc+0x120/0x120 [ 423.637547] 0 pages in swap cache [ 423.641345] ? print_usage_bug+0xc0/0xc0 [ 423.645123] Swap cache stats: add 0, delete 0, find 0/0 [ 423.648565] ? kvm_clock_read+0x18/0x30 [ 423.652603] Free swap = 0kB [ 423.657957] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 423.661918] Total swap = 0kB [ 423.664948] ? print_usage_bug+0xc0/0xc0 [ 423.669937] 1965979 pages RAM [ 423.672951] ? __lock_acquire+0x62f/0x4c20 [ 423.676988] 0 pages HighMem/MovableOnly [ 423.680088] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.684299] 342853 pages reserved [ 423.688278] ? should_fail+0x22d/0xd01 [ 423.693803] 0 pages cma reserved [ 423.697251] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 423.701188] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 423.704471] ? __lock_acquire+0x62f/0x4c20 [ 423.704489] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 423.704505] ? __lock_acquire+0x62f/0x4c20 [ 423.709660] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 423.716090] ? should_fail+0x22d/0xd01 [ 423.720306] syz-executor2 cpuset=syz2 mems_allowed=0 [ 423.725420] ? mark_held_locks+0x130/0x130 [ 423.753315] ? mark_held_locks+0x130/0x130 [ 423.757560] ? zap_class+0x640/0x640 [ 423.761277] ? print_usage_bug+0xc0/0xc0 [ 423.765345] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.770904] ? check_preemption_disabled+0x48/0x280 [ 423.775933] ? __lock_is_held+0xb5/0x140 [ 423.780003] __alloc_pages_nodemask+0xa80/0xde0 [ 423.784684] ? zap_class+0x640/0x640 [ 423.788403] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 423.793436] ? find_held_lock+0x36/0x1c0 [ 423.797515] ? ____cache_alloc_node+0x1c7/0x1e0 [ 423.802189] ? lock_downgrade+0x900/0x900 [ 423.806347] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.811895] cache_grow_begin+0xa5/0x8c0 [ 423.815958] ? do_raw_spin_unlock+0xa7/0x330 [ 423.820378] fallback_alloc+0x204/0x2e0 [ 423.824358] ____cache_alloc_node+0x1c7/0x1e0 [ 423.828861] kmem_cache_alloc_node+0xe3/0x730 [ 423.833357] ? ipv6_get_ifaddr+0x42e/0x620 [ 423.837605] __alloc_skb+0x119/0x770 [ 423.841321] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 423.846604] ? netdev_alloc_frag+0x1f0/0x1f0 [ 423.851023] ? lock_downgrade+0x900/0x900 [ 423.855186] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.860725] ? refcount_sub_and_test_checked+0x203/0x310 [ 423.866180] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 423.871632] ? addrconf_rs_timer+0x690/0x690 [ 423.876094] ndisc_alloc_skb+0x144/0x340 [ 423.880162] ndisc_send_rs+0x331/0x6e0 [ 423.884065] addrconf_rs_timer+0x314/0x690 [ 423.888309] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 423.892561] call_timer_fn+0x272/0x920 [ 423.896451] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 423.900686] ? process_timeout+0x40/0x40 [ 423.904756] ? mark_held_locks+0xc7/0x130 [ 423.908918] ? _raw_spin_unlock_irq+0x27/0x80 [ 423.913425] ? _raw_spin_unlock_irq+0x27/0x80 [ 423.917920] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 423.922161] ? lockdep_hardirqs_on+0x296/0x5b0 [ 423.926747] ? trace_hardirqs_on+0xbd/0x310 [ 423.931074] ? kasan_check_read+0x11/0x20 [ 423.935270] ? __run_timers+0x7da/0xc70 [ 423.939249] ? trace_hardirqs_off_caller+0x310/0x310 [ 423.944383] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 423.948627] __run_timers+0x7e5/0xc70 [ 423.952437] ? timer_fixup_init+0x70/0x70 [ 423.956591] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 423.961608] ? zap_class+0x640/0x640 [ 423.965330] ? print_usage_bug+0xc0/0xc0 [ 423.969396] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 423.974592] ? find_held_lock+0x36/0x1c0 [ 423.978660] ? zap_class+0x640/0x640 [ 423.982391] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.987930] ? check_preemption_disabled+0x48/0x280 [ 423.992971] ? __lock_is_held+0xb5/0x140 [ 423.997060] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.002605] ? check_preemption_disabled+0x48/0x280 [ 424.007660] run_timer_softirq+0x52/0xb0 [ 424.011725] ? rcu_read_lock_sched_held+0x14f/0x180 [ 424.016744] __do_softirq+0x308/0xb7e [ 424.020563] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 424.025064] ? lock_downgrade+0x900/0x900 [ 424.029218] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 424.034330] ? pvclock_read_flags+0x160/0x160 [ 424.038848] ? lapic_next_event+0x5a/0x90 [ 424.043003] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.048554] ? kvm_clock_read+0x18/0x30 [ 424.052527] ? kvm_sched_clock_read+0x9/0x20 [ 424.056936] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.062474] ? check_preemption_disabled+0x48/0x280 [ 424.067501] irq_exit+0x17f/0x1c0 [ 424.070958] smp_apic_timer_interrupt+0x1cb/0x760 [ 424.075837] ? smp_reschedule_interrupt+0x109/0x650 [ 424.080872] ? smp_call_function_single_interrupt+0x650/0x650 [ 424.086779] ? interrupt_entry+0xb5/0xc0 [ 424.090845] ? trace_hardirqs_off_caller+0xbb/0x310 [ 424.095864] ? trace_hardirqs_off_caller+0xbb/0x310 [ 424.100887] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 424.105733] ? trace_hardirqs_on_caller+0x310/0x310 [ 424.110746] ? trace_hardirqs_on_caller+0x310/0x310 [ 424.115774] ? task_prio+0x50/0x50 [ 424.119331] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.124871] ? check_preemption_disabled+0x48/0x280 [ 424.129892] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 424.134769] apic_timer_interrupt+0xf/0x20 [ 424.139010] [ 424.141268] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 424.146459] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 424.165357] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 424.173066] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e [ 424.180329] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc [ 424.187614] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 424.194899] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000 [ 424.202168] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 424.209467] retint_kernel+0x1b/0x2d [ 424.213186] RIP: 0010:dump_stack+0x358/0x39d [ 424.217593] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 424.236495] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 424.244220] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e [ 424.251496] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 424.258765] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 424.266047] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45 [ 424.273315] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 424.280598] ? dump_stack+0x34f/0x39d [ 424.284438] ? dump_stack_print_info.cold.1+0x20/0x20 [ 424.289632] ? mark_held_locks+0x130/0x130 [ 424.293868] ? mark_held_locks+0x130/0x130 [ 424.298111] dump_header+0x27b/0xf72 [ 424.301845] ? pagefault_out_of_memory+0x197/0x197 [ 424.306786] ? __lock_acquire+0x62f/0x4c20 [ 424.311041] ? percpu_ref_get_many+0x240/0x240 [ 424.315629] ? print_usage_bug+0xc0/0xc0 [ 424.319725] ? zap_class+0x640/0x640 [ 424.323441] ? print_usage_bug+0xc0/0xc0 [ 424.327503] ? print_usage_bug+0xc0/0xc0 [ 424.331569] ? zap_class+0x640/0x640 [ 424.335292] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.340852] ? find_held_lock+0x36/0x1c0 [ 424.344925] ? mark_held_locks+0xc7/0x130 [ 424.349076] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 424.354180] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 424.359285] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 424.363900] ? trace_hardirqs_on+0xbd/0x310 [ 424.368236] ? kasan_check_read+0x11/0x20 [ 424.372412] ? ___ratelimit+0x3b4/0x672 [ 424.376413] ? trace_hardirqs_off_caller+0x310/0x310 [ 424.381516] ? trace_hardirqs_on+0x310/0x310 [ 424.385945] ? lock_downgrade+0x900/0x900 [ 424.390101] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 424.395210] ? ___ratelimit+0x3b9/0x672 [ 424.399188] ? idr_get_free+0xf70/0xf70 [ 424.403161] ? find_held_lock+0x36/0x1c0 [ 424.407238] oom_kill_process.cold.27+0x10/0x903 [ 424.411995] ? zap_class+0x640/0x640 [ 424.415721] ? check_preemption_disabled+0x48/0x280 [ 424.420746] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 424.425677] ? kasan_check_read+0x11/0x20 [ 424.429823] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 424.435104] ? oom_evaluate_task+0x540/0x540 [ 424.439514] ? find_held_lock+0x36/0x1c0 [ 424.443598] ? out_of_memory+0x974/0x1430 [ 424.447777] ? lock_downgrade+0x900/0x900 [ 424.451938] ? check_preemption_disabled+0x48/0x280 [ 424.456991] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 424.461948] ? kasan_check_read+0x11/0x20 [ 424.466100] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 424.471396] ? rcu_softirq_qs+0x20/0x20 [ 424.475382] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 424.480917] ? oom_evaluate_task+0x302/0x540 [ 424.485343] out_of_memory+0xa84/0x1430 [ 424.489326] ? oom_killer_disable+0x3a0/0x3a0 [ 424.493828] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 424.498761] ? __ww_mutex_check_waiters+0x160/0x160 [ 424.503788] __alloc_pages_slowpath+0x2354/0x2e10 [ 424.508704] ? warn_alloc+0x120/0x120 [ 424.512522] ? mark_held_locks+0x130/0x130 [ 424.516763] ? find_get_entry+0xaae/0x1120 [ 424.521007] ? filemap_map_pages+0x1a20/0x1a20 [ 424.525623] ? zap_class+0x640/0x640 [ 424.529522] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.535068] ? check_preemption_disabled+0x48/0x280 [ 424.540089] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 424.545627] ? should_fail+0x22d/0xd01 [ 424.549526] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 424.554646] ? zap_class+0x640/0x640 [ 424.558389] ? __lock_is_held+0xb5/0x140 [ 424.562473] ? mark_held_locks+0x130/0x130 [ 424.566715] ? lock_release+0xa00/0xa00 [ 424.570690] ? perf_trace_sched_process_exec+0x860/0x860 [ 424.576173] ? xa_load+0x2ba/0x460 [ 424.579716] ? lock_downgrade+0x900/0x900 [ 424.583869] ? __might_sleep+0x95/0x190 [ 424.587849] __alloc_pages_nodemask+0xa80/0xde0 [ 424.592522] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 424.597552] ? __page_cache_alloc+0x191/0x5c0 [ 424.602054] ? xa_load+0x2e1/0x460 [ 424.605613] ? xa_clear_mark+0x40/0x40 [ 424.609506] ? zap_class+0x640/0x640 [ 424.613693] ? zap_class+0x640/0x640 [ 424.617410] ? zap_class+0x640/0x640 [ 424.621128] ? __do_page_cache_readahead+0x663/0x810 [ 424.626237] ? find_held_lock+0x36/0x1c0 [ 424.630313] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 424.635856] alloc_pages_current+0x173/0x350 [ 424.640271] __page_cache_alloc+0x38c/0x5c0 [ 424.644594] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 424.649522] ? kasan_check_read+0x11/0x20 [ 424.653697] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 424.658978] ? generic_perform_write+0x6a0/0x6a0 [ 424.663736] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 424.669272] ? check_preemption_disabled+0x48/0x280 [ 424.674295] filemap_fault+0x1595/0x25f0 [ 424.678372] ? __lock_page_or_retry+0xa00/0xa00 [ 424.683057] ? mark_held_locks+0x130/0x130 [ 424.687304] ? filemap_map_pages+0xd6b/0x1a20 [ 424.691810] ? lock_downgrade+0x900/0x900 [ 424.695991] ? check_preemption_disabled+0x48/0x280 [ 424.701024] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 424.705973] ? kasan_check_read+0x11/0x20 [ 424.710122] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 424.715403] ? rcu_softirq_qs+0x20/0x20 [ 424.719406] ? filemap_map_pages+0xd92/0x1a20 [ 424.723929] ? find_get_entries_tag+0x1400/0x1400 [ 424.728772] ? ep_scan_ready_list+0xbc7/0x1050 [ 424.733370] ? trace_hardirqs_off_caller+0x310/0x310 [ 424.738508] ? lock_acquire+0x1ed/0x520 [ 424.742513] ? ext4_filemap_fault+0x7a/0xad [ 424.746989] ? lock_release+0xa00/0xa00 [ 424.750972] ? perf_trace_sched_process_exec+0x860/0x860 [ 424.756428] ? print_usage_bug+0xc0/0xc0 [ 424.760491] ? print_usage_bug+0xc0/0xc0 [ 424.764565] ? down_read+0x8d/0x120 [ 424.768192] ? ext4_filemap_fault+0x7a/0xad [ 424.772519] ? __down_interruptible+0x700/0x700 [ 424.777231] ext4_filemap_fault+0x82/0xad [ 424.781385] __do_fault+0x100/0x6b0 [ 424.785028] ? pmd_devmap_trans_unstable+0x220/0x220 [ 424.790143] ? mark_held_locks+0x130/0x130 [ 424.794380] ? mark_held_locks+0x130/0x130 [ 424.798630] ? kasan_check_read+0x11/0x20 [ 424.802781] ? ep_poll+0xffa/0x13d0 [ 424.806410] ? trace_hardirqs_off_caller+0x310/0x310 [ 424.811522] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 424.817096] __handle_mm_fault+0x3ea0/0x5be0 [ 424.821519] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.827074] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 424.831939] ? do_epoll_create+0x590/0x590 [ 424.836205] ? kasan_check_read+0x11/0x20 [ 424.840351] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 424.845673] ? rcu_softirq_qs+0x20/0x20 [ 424.849664] ? zap_class+0x640/0x640 [ 424.853390] ? zap_class+0x640/0x640 [ 424.857112] ? find_held_lock+0x36/0x1c0 [ 424.861182] ? handle_mm_fault+0x42a/0xc70 [ 424.865416] ? lock_downgrade+0x900/0x900 [ 424.869561] ? check_preemption_disabled+0x48/0x280 [ 424.874584] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 424.879516] ? kasan_check_read+0x11/0x20 [ 424.883666] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 424.888946] ? rcu_softirq_qs+0x20/0x20 [ 424.892917] ? trace_hardirqs_off_caller+0x310/0x310 [ 424.898066] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 424.903608] ? check_preemption_disabled+0x48/0x280 [ 424.908633] handle_mm_fault+0x54f/0xc70 [ 424.912698] ? __handle_mm_fault+0x5be0/0x5be0 [ 424.917301] ? find_vma+0x34/0x190 [ 424.920862] __do_page_fault+0x5e8/0xe60 [ 424.924926] ? trace_hardirqs_off+0xb8/0x310 [ 424.929351] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 424.934898] do_page_fault+0xf2/0x7e0 [ 424.938711] ? vmalloc_sync_all+0x30/0x30 [ 424.942859] ? error_entry+0x70/0xd0 [ 424.946573] ? trace_hardirqs_off_caller+0xbb/0x310 [ 424.951585] ? trace_hardirqs_on_caller+0xc0/0x310 [ 424.956516] ? syscall_return_slowpath+0x5e0/0x5e0 [ 424.961449] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 424.966291] ? trace_hardirqs_on_caller+0x310/0x310 [ 424.971308] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 424.976764] ? prepare_exit_to_usermode+0x291/0x3b0 [ 424.981813] ? page_fault+0x8/0x30 [ 424.985362] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 424.990208] ? page_fault+0x8/0x30 [ 424.993781] page_fault+0x1e/0x30 [ 424.997249] RIP: 0033:0x45df89 [ 425.000457] Code: Bad RIP value. [ 425.003825] RSP: 002b:000000c42017b850 EFLAGS: 00010246 [ 425.009215] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89 [ 425.016498] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004 [ 425.023852] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500 [ 425.031118] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8 [ 425.038384] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff [ 425.045682] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145 [ 425.045747] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 425.053044] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 425.053049] Call Trace: [ 425.053055] [ 425.053073] dump_stack+0x244/0x39d [ 425.053096] ? dump_stack_print_info.cold.1+0x20/0x20 [ 425.059626] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 425.068928] warn_alloc.cold.116+0xb7/0x1bd [ 425.071479] syz-fuzzer cpuset=/ mems_allowed=0 [ 425.073622] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 425.106367] ? lock_downgrade+0x900/0x900 [ 425.110523] ? trace_hardirqs_off+0xb8/0x310 [ 425.114946] ? trace_hardirqs_off+0xb8/0x310 [ 425.119468] __alloc_pages_slowpath+0x26e8/0x2e10 [ 425.124344] ? warn_alloc+0x120/0x120 [ 425.128155] ? print_usage_bug+0xc0/0xc0 [ 425.132215] ? warn_alloc+0x120/0x120 [ 425.136032] ? warn_alloc+0x120/0x120 [ 425.139854] ? print_usage_bug+0xc0/0xc0 [ 425.143921] ? print_usage_bug+0xc0/0xc0 [ 425.147987] ? __lock_acquire+0x62f/0x4c20 [ 425.152251] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 425.157823] ? should_fail+0x22d/0xd01 [ 425.161712] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 425.166818] ? __lock_acquire+0x62f/0x4c20 [ 425.171058] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 425.176162] ? __lock_acquire+0x62f/0x4c20 [ 425.180396] ? should_fail+0x22d/0xd01 [ 425.184285] ? find_held_lock+0x36/0x1c0 [ 425.188357] ? mark_held_locks+0x130/0x130 [ 425.192603] ? mark_held_locks+0x130/0x130 [ 425.196837] ? zap_class+0x640/0x640 [ 425.200553] ? zap_class+0x640/0x640 [ 425.204268] ? print_usage_bug+0xc0/0xc0 [ 425.208326] ? do_raw_spin_unlock+0xa7/0x330 [ 425.212740] ? zap_class+0x640/0x640 [ 425.216473] ? print_usage_bug+0xc0/0xc0 [ 425.220553] ? wq_watchdog_touch+0x9c/0xfe [ 425.224793] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.230332] ? check_preemption_disabled+0x48/0x280 [ 425.235363] ? __lock_is_held+0xb5/0x140 [ 425.239433] __alloc_pages_nodemask+0xa80/0xde0 [ 425.244104] ? zap_class+0x640/0x640 [ 425.247828] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 425.252859] ? find_held_lock+0x36/0x1c0 [ 425.256934] ? ____cache_alloc_node+0x1c7/0x1e0 [ 425.261621] ? lock_downgrade+0x900/0x900 [ 425.265776] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.271330] cache_grow_begin+0xa5/0x8c0 [ 425.275391] ? do_raw_spin_unlock+0xa7/0x330 [ 425.279806] fallback_alloc+0x204/0x2e0 [ 425.283787] ____cache_alloc_node+0x1c7/0x1e0 [ 425.288289] kmem_cache_alloc_node+0xe3/0x730 [ 425.292791] ? ipv6_get_ifaddr+0x42e/0x620 [ 425.297049] __alloc_skb+0x119/0x770 [ 425.300766] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 425.306053] ? netdev_alloc_frag+0x1f0/0x1f0 [ 425.310462] ? lock_downgrade+0x900/0x900 [ 425.314628] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.320166] ? refcount_sub_and_test_checked+0x203/0x310 [ 425.325624] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 425.331079] ? addrconf_rs_timer+0x690/0x690 [ 425.335501] ndisc_alloc_skb+0x144/0x340 [ 425.339574] ndisc_send_rs+0x331/0x6e0 [ 425.343483] addrconf_rs_timer+0x314/0x690 [ 425.347735] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 425.351994] call_timer_fn+0x272/0x920 [ 425.355904] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 425.360156] ? process_timeout+0x40/0x40 [ 425.364225] ? __run_timers+0x7da/0xc70 [ 425.368200] ? _raw_spin_unlock_irq+0x27/0x80 [ 425.372709] ? _raw_spin_unlock_irq+0x27/0x80 [ 425.377205] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 425.381453] ? lockdep_hardirqs_on+0x296/0x5b0 [ 425.386057] ? trace_hardirqs_on+0xbd/0x310 [ 425.390396] ? kasan_check_read+0x11/0x20 [ 425.394559] ? __run_timers+0x7da/0xc70 [ 425.398534] ? trace_hardirqs_off_caller+0x310/0x310 [ 425.403646] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 425.407884] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 425.412119] __run_timers+0x7e5/0xc70 [ 425.415944] ? timer_fixup_init+0x70/0x70 [ 425.420110] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 425.425132] ? zap_class+0x640/0x640 [ 425.428850] ? enqueue_hrtimer+0x1a5/0x560 [ 425.433089] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 425.438289] ? find_held_lock+0x36/0x1c0 [ 425.442357] ? zap_class+0x640/0x640 [ 425.446082] ? pvclock_read_flags+0x160/0x160 [ 425.450582] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.456126] ? check_preemption_disabled+0x48/0x280 [ 425.461159] ? __lock_is_held+0xb5/0x140 [ 425.465222] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.470763] ? check_preemption_disabled+0x48/0x280 [ 425.475785] run_timer_softirq+0x52/0xb0 [ 425.479848] ? rcu_read_lock_sched_held+0x14f/0x180 [ 425.484888] __do_softirq+0x308/0xb7e [ 425.488692] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 425.493186] ? lock_downgrade+0x900/0x900 [ 425.497340] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 425.502450] ? pvclock_read_flags+0x160/0x160 [ 425.506965] ? lapic_next_event+0x5a/0x90 [ 425.511120] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.516663] ? kvm_clock_read+0x18/0x30 [ 425.520641] ? kvm_sched_clock_read+0x9/0x20 [ 425.525059] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.530600] ? check_preemption_disabled+0x48/0x280 [ 425.535640] irq_exit+0x17f/0x1c0 [ 425.539118] smp_apic_timer_interrupt+0x1cb/0x760 [ 425.543960] ? smp_reschedule_interrupt+0x109/0x650 [ 425.548979] ? smp_call_function_single_interrupt+0x650/0x650 [ 425.554866] ? interrupt_entry+0xb5/0xc0 [ 425.558929] ? trace_hardirqs_off_caller+0xbb/0x310 [ 425.563944] ? trace_hardirqs_off_caller+0xbb/0x310 [ 425.568963] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 425.573808] ? trace_hardirqs_on_caller+0x310/0x310 [ 425.578841] ? trace_hardirqs_on_caller+0x310/0x310 [ 425.583870] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 425.588721] apic_timer_interrupt+0xf/0x20 [ 425.592950] [ 425.595190] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 425.600122] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7 [ 425.619055] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 425.626779] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 425.634047] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286 [ 425.641315] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000 [ 425.648599] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 425.655884] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020 [ 425.663213] skb_clone+0x1bb/0x500 [ 425.666769] ? finish_task_switch+0x2f4/0x910 [ 425.671285] ? skb_split+0x11e0/0x11e0 [ 425.675178] ? preempt_notifier_register+0x200/0x200 [ 425.680284] ? __switch_to_asm+0x34/0x70 [ 425.684346] ? __switch_to_asm+0x34/0x70 [ 425.688423] ? __switch_to_asm+0x40/0x70 [ 425.692483] ? __switch_to_asm+0x34/0x70 [ 425.696547] ? __switch_to_asm+0x40/0x70 [ 425.700630] ? __switch_to_asm+0x34/0x70 [ 425.704689] ? __switch_to_asm+0x40/0x70 [ 425.708792] ? __switch_to_asm+0x34/0x70 [ 425.712849] ? __switch_to_asm+0x34/0x70 [ 425.716909] ? __switch_to_asm+0x40/0x70 [ 425.720987] ? __switch_to_asm+0x34/0x70 [ 425.725082] bpf_clone_redirect+0xb9/0x490 [ 425.729330] ? __schedule+0x8d7/0x21d0 [ 425.733228] bpf_prog_bebbfe2050753572+0x1d8/0x1000 [ 425.738248] ? __sched_text_start+0x8/0x8 [ 425.742401] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 425.746985] ? retint_kernel+0x2d/0x2d [ 425.750886] ? trace_hardirqs_on_caller+0xc0/0x310 [ 425.755825] ? find_held_lock+0x36/0x1c0 [ 425.759899] ? lock_acquire+0x1ed/0x520 [ 425.763871] ? bpf_test_run+0x3cb/0x780 [ 425.767860] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.773398] ? check_preemption_disabled+0x48/0x280 [ 425.778435] ? kasan_check_read+0x11/0x20 [ 425.782584] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 425.787860] ? rcu_softirq_qs+0x20/0x20 [ 425.791870] ? preempt_schedule+0x4d/0x60 [ 425.796030] ? ___preempt_schedule+0x16/0x18 [ 425.800466] ? bpf_test_run+0x25d/0x780 [ 425.804455] ? netlink_diag_dump+0x2a0/0x2a0 [ 425.808879] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 425.814417] ? bpf_test_init.isra.10+0x70/0x100 [ 425.819088] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 425.823856] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 425.828694] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 425.834232] ? fput+0x130/0x1a0 [ 425.837517] ? __bpf_prog_get+0x9b/0x290 [ 425.841618] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 425.846458] ? bpf_prog_test_run+0x130/0x1a0 [ 425.850871] ? __x64_sys_bpf+0x3d8/0x520 [ 425.854931] ? bpf_prog_get+0x20/0x20 [ 425.858754] ? do_syscall_64+0x1b9/0x820 [ 425.862812] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 425.868176] ? syscall_return_slowpath+0x5e0/0x5e0 [ 425.873119] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 425.877965] ? trace_hardirqs_on_caller+0x310/0x310 [ 425.882999] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 425.888068] ? prepare_exit_to_usermode+0x291/0x3b0 [ 425.893102] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 425.897967] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 425.903383] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145 [ 425.903388] warn_alloc_show_mem: 1 callbacks suppressed [ 425.903395] Mem-Info: [ 425.910406] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 425.915806] active_anon:51179 inactive_anon:236 isolated_anon:0 [ 425.915806] active_file:17 inactive_file:9 isolated_file:0 [ 425.915806] unevictable:0 dirty:0 writeback:0 unstable:0 [ 425.915806] slab_reclaimable:9362 slab_unreclaimable:1467319 [ 425.915806] mapped:16386 shmem:283 pagetables:457 bounce:0 [ 425.915806] free:13694 free_pcp:258 free_cma:0 [ 425.918180] Call Trace: [ 425.927586] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 425.960341] [ 425.962914] 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 [ 425.990423] dump_stack+0x244/0x39d [ 425.992551] lowmem_reserve[]: 0 2818 6321 6321 [ 426.018687] ? dump_stack_print_info.cold.1+0x20/0x20 [ 426.022286] Node 0 DMA32 free:24972kB 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:0kB local_pcp:0kB free_cma:0kB [ 426.026882] warn_alloc.cold.116+0xb7/0x1bd [ 426.032052] lowmem_reserve[]: 0 0 3503 3503 [ 426.059214] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 426.063509] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB [ 426.067823] ? lock_downgrade+0x900/0x900 [ 426.072637] lowmem_reserve[]: 0 0 0 0 [ 426.101609] ? trace_hardirqs_off+0xb8/0x310 [ 426.105726] 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 [ 426.109522] ? trace_hardirqs_off+0xb8/0x310 [ 426.113904] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB [ 426.127424] __alloc_pages_slowpath+0x26e8/0x2e10 [ 426.131805] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB [ 426.146992] ? warn_alloc+0x120/0x120 [ 426.151796] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 426.166024] ? print_usage_bug+0xc0/0xc0 [ 426.169804] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 426.178629] ? warn_alloc+0x120/0x120 [ 426.182667] 309 total pagecache pages [ 426.191251] ? warn_alloc+0x120/0x120 [ 426.195037] 0 pages in swap cache [ 426.198827] ? print_usage_bug+0xc0/0xc0 [ 426.202607] Swap cache stats: add 0, delete 0, find 0/0 [ 426.206059] ? print_usage_bug+0xc0/0xc0 [ 426.210094] Free swap = 0kB [ 426.215492] ? __lock_acquire+0x62f/0x4c20 [ 426.219531] Total swap = 0kB [ 426.222545] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 426.226756] 1965979 pages RAM [ 426.229775] ? should_fail+0x22d/0xd01 [ 426.235288] 0 pages HighMem/MovableOnly [ 426.238389] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 426.242250] 342853 pages reserved [ 426.246216] ? __lock_acquire+0x62f/0x4c20 [ 426.251294] 0 pages cma reserved [ 426.254756] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 426.259034] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 426.262314] ? __lock_acquire+0x62f/0x4c20 [ 426.262326] ? should_fail+0x22d/0xd01 [ 426.262340] ? find_held_lock+0x36/0x1c0 [ 426.262362] ? mark_held_locks+0x130/0x130 [ 426.267494] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 426.273926] ? mark_held_locks+0x130/0x130 [ 426.278134] syz-executor2 cpuset=syz2 mems_allowed=0 [ 426.282012] ? zap_class+0x640/0x640 [ 426.313794] ? zap_class+0x640/0x640 [ 426.317513] ? print_usage_bug+0xc0/0xc0 [ 426.321587] ? do_raw_spin_unlock+0xa7/0x330 [ 426.325993] ? zap_class+0x640/0x640 [ 426.329748] ? print_usage_bug+0xc0/0xc0 [ 426.333892] ? wq_watchdog_touch+0x9c/0xfe [ 426.338146] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.343691] ? check_preemption_disabled+0x48/0x280 [ 426.348717] ? __lock_is_held+0xb5/0x140 [ 426.352801] __alloc_pages_nodemask+0xa80/0xde0 [ 426.357485] ? zap_class+0x640/0x640 [ 426.361210] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 426.366240] ? find_held_lock+0x36/0x1c0 [ 426.370312] ? ____cache_alloc_node+0x1c7/0x1e0 [ 426.374981] ? lock_downgrade+0x900/0x900 [ 426.379165] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.384707] cache_grow_begin+0xa5/0x8c0 [ 426.388774] ? do_raw_spin_unlock+0xa7/0x330 [ 426.393192] fallback_alloc+0x204/0x2e0 [ 426.397181] ____cache_alloc_node+0x1c7/0x1e0 [ 426.401704] kmem_cache_alloc_node+0xe3/0x730 [ 426.406216] ? ipv6_get_ifaddr+0x42e/0x620 [ 426.410461] __alloc_skb+0x119/0x770 [ 426.414175] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 426.419480] ? netdev_alloc_frag+0x1f0/0x1f0 [ 426.423888] ? lock_downgrade+0x900/0x900 [ 426.428066] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.433603] ? refcount_sub_and_test_checked+0x203/0x310 [ 426.439064] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 426.444514] ? addrconf_rs_timer+0x690/0x690 [ 426.448936] ndisc_alloc_skb+0x144/0x340 [ 426.453044] ndisc_send_rs+0x331/0x6e0 [ 426.456940] addrconf_rs_timer+0x314/0x690 [ 426.461180] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 426.465428] call_timer_fn+0x272/0x920 [ 426.469314] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 426.473566] ? process_timeout+0x40/0x40 [ 426.477639] ? mark_held_locks+0xc7/0x130 [ 426.481788] ? _raw_spin_unlock_irq+0x27/0x80 [ 426.486279] ? _raw_spin_unlock_irq+0x27/0x80 [ 426.490769] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 426.495027] ? lockdep_hardirqs_on+0x296/0x5b0 [ 426.499621] ? trace_hardirqs_on+0xbd/0x310 [ 426.503957] ? kasan_check_read+0x11/0x20 [ 426.508104] ? __run_timers+0x7da/0xc70 [ 426.512080] ? trace_hardirqs_off_caller+0x310/0x310 [ 426.517188] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 426.521425] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 426.525655] __run_timers+0x7e5/0xc70 [ 426.529501] ? timer_fixup_init+0x70/0x70 [ 426.533656] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 426.538675] ? zap_class+0x640/0x640 [ 426.542408] ? print_usage_bug+0xc0/0xc0 [ 426.546474] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 426.551671] ? find_held_lock+0x36/0x1c0 [ 426.555740] ? zap_class+0x640/0x640 [ 426.559460] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.565027] ? check_preemption_disabled+0x48/0x280 [ 426.570078] ? __lock_is_held+0xb5/0x140 [ 426.574141] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.579692] ? check_preemption_disabled+0x48/0x280 [ 426.584710] run_timer_softirq+0x52/0xb0 [ 426.588771] ? rcu_read_lock_sched_held+0x14f/0x180 [ 426.593832] __do_softirq+0x308/0xb7e [ 426.597670] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 426.602167] ? lock_downgrade+0x900/0x900 [ 426.606335] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 426.611801] ? pvclock_read_flags+0x160/0x160 [ 426.616300] ? lapic_next_event+0x5a/0x90 [ 426.620449] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.626004] ? kvm_clock_read+0x18/0x30 [ 426.629991] ? kvm_sched_clock_read+0x9/0x20 [ 426.634452] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.639992] ? check_preemption_disabled+0x48/0x280 [ 426.645033] irq_exit+0x17f/0x1c0 [ 426.648508] smp_apic_timer_interrupt+0x1cb/0x760 [ 426.653351] ? smp_reschedule_interrupt+0x109/0x650 [ 426.658368] ? smp_call_function_single_interrupt+0x650/0x650 [ 426.664252] ? interrupt_entry+0xb5/0xc0 [ 426.668317] ? trace_hardirqs_off_caller+0xbb/0x310 [ 426.673335] ? trace_hardirqs_off_caller+0xbb/0x310 [ 426.678358] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 426.683207] ? trace_hardirqs_on_caller+0x310/0x310 [ 426.688224] ? trace_hardirqs_on_caller+0x310/0x310 [ 426.693243] ? task_prio+0x50/0x50 [ 426.696807] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.702368] ? check_preemption_disabled+0x48/0x280 [ 426.707390] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 426.712245] apic_timer_interrupt+0xf/0x20 [ 426.716474] [ 426.718715] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 426.723907] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 426.742805] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 426.750542] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e [ 426.757810] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc [ 426.765078] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 426.772359] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000 [ 426.779627] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 426.786929] retint_kernel+0x1b/0x2d [ 426.790645] RIP: 0010:dump_stack+0x358/0x39d [ 426.795057] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 426.813982] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 426.821692] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e [ 426.828972] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 426.836238] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 426.843502] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45 [ 426.850776] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 426.858070] ? dump_stack+0x34f/0x39d [ 426.861885] ? dump_stack_print_info.cold.1+0x20/0x20 [ 426.867077] ? mark_held_locks+0x130/0x130 [ 426.871343] ? mark_held_locks+0x130/0x130 [ 426.875602] dump_header+0x27b/0xf72 [ 426.879331] ? pagefault_out_of_memory+0x197/0x197 [ 426.884269] ? __lock_acquire+0x62f/0x4c20 [ 426.888507] ? percpu_ref_get_many+0x240/0x240 [ 426.893093] ? print_usage_bug+0xc0/0xc0 [ 426.897169] ? zap_class+0x640/0x640 [ 426.900890] ? print_usage_bug+0xc0/0xc0 [ 426.904951] ? print_usage_bug+0xc0/0xc0 [ 426.909069] ? zap_class+0x640/0x640 [ 426.912790] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.918333] ? find_held_lock+0x36/0x1c0 [ 426.922421] ? mark_held_locks+0xc7/0x130 [ 426.926572] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 426.931693] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 426.936812] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 426.941442] ? trace_hardirqs_on+0xbd/0x310 [ 426.945784] ? kasan_check_read+0x11/0x20 [ 426.949949] ? ___ratelimit+0x3b4/0x672 [ 426.953928] ? trace_hardirqs_off_caller+0x310/0x310 [ 426.959059] ? trace_hardirqs_on+0x310/0x310 [ 426.963471] ? lock_downgrade+0x900/0x900 [ 426.967666] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 426.972770] ? ___ratelimit+0x3b9/0x672 [ 426.976749] ? idr_get_free+0xf70/0xf70 [ 426.980722] ? find_held_lock+0x36/0x1c0 [ 426.984794] oom_kill_process.cold.27+0x10/0x903 [ 426.989579] ? zap_class+0x640/0x640 [ 426.993328] ? check_preemption_disabled+0x48/0x280 [ 426.998347] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 427.003294] ? kasan_check_read+0x11/0x20 [ 427.007444] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 427.012725] ? oom_evaluate_task+0x540/0x540 [ 427.017140] ? find_held_lock+0x36/0x1c0 [ 427.021225] ? out_of_memory+0x974/0x1430 [ 427.025375] ? lock_downgrade+0x900/0x900 [ 427.029568] ? check_preemption_disabled+0x48/0x280 [ 427.034584] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 427.039529] ? kasan_check_read+0x11/0x20 [ 427.043676] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 427.048955] ? rcu_softirq_qs+0x20/0x20 [ 427.052934] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 427.058470] ? oom_evaluate_task+0x302/0x540 [ 427.062881] out_of_memory+0xa84/0x1430 [ 427.066860] ? oom_killer_disable+0x3a0/0x3a0 [ 427.071375] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 427.076342] ? __ww_mutex_check_waiters+0x160/0x160 [ 427.081388] __alloc_pages_slowpath+0x2354/0x2e10 [ 427.086261] ? warn_alloc+0x120/0x120 [ 427.090066] ? mark_held_locks+0x130/0x130 [ 427.094321] ? find_get_entry+0xaae/0x1120 [ 427.098566] ? filemap_map_pages+0x1a20/0x1a20 [ 427.103246] ? zap_class+0x640/0x640 [ 427.106971] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.112507] ? check_preemption_disabled+0x48/0x280 [ 427.117537] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 427.123076] ? should_fail+0x22d/0xd01 [ 427.126987] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 427.132096] ? zap_class+0x640/0x640 [ 427.135838] ? __lock_is_held+0xb5/0x140 [ 427.139927] ? mark_held_locks+0x130/0x130 [ 427.144167] ? lock_release+0xa00/0xa00 [ 427.148162] ? perf_trace_sched_process_exec+0x860/0x860 [ 427.153613] ? xa_load+0x2ba/0x460 [ 427.157154] ? lock_downgrade+0x900/0x900 [ 427.161314] ? __might_sleep+0x95/0x190 [ 427.165296] __alloc_pages_nodemask+0xa80/0xde0 [ 427.169977] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 427.174997] ? __page_cache_alloc+0x191/0x5c0 [ 427.179512] ? xa_load+0x2e1/0x460 [ 427.183074] ? xa_clear_mark+0x40/0x40 [ 427.186964] ? zap_class+0x640/0x640 [ 427.190714] ? zap_class+0x640/0x640 [ 427.194430] ? zap_class+0x640/0x640 [ 427.198145] ? __do_page_cache_readahead+0x663/0x810 [ 427.203255] ? find_held_lock+0x36/0x1c0 [ 427.207323] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 427.212868] alloc_pages_current+0x173/0x350 [ 427.217284] __page_cache_alloc+0x38c/0x5c0 [ 427.221606] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 427.226532] ? kasan_check_read+0x11/0x20 [ 427.230676] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 427.235956] ? generic_perform_write+0x6a0/0x6a0 [ 427.240713] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 427.246252] ? check_preemption_disabled+0x48/0x280 [ 427.251281] filemap_fault+0x1595/0x25f0 [ 427.255373] ? __lock_page_or_retry+0xa00/0xa00 [ 427.260059] ? mark_held_locks+0x130/0x130 [ 427.264310] ? filemap_map_pages+0xd6b/0x1a20 [ 427.268809] ? lock_downgrade+0x900/0x900 [ 427.272956] ? check_preemption_disabled+0x48/0x280 [ 427.277980] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 427.282914] ? kasan_check_read+0x11/0x20 [ 427.287082] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 427.292358] ? rcu_softirq_qs+0x20/0x20 [ 427.296345] ? filemap_map_pages+0xd92/0x1a20 [ 427.300855] ? find_get_entries_tag+0x1400/0x1400 [ 427.305719] ? ep_scan_ready_list+0xbc7/0x1050 [ 427.310309] ? trace_hardirqs_off_caller+0x310/0x310 [ 427.315430] ? lock_acquire+0x1ed/0x520 [ 427.319405] ? ext4_filemap_fault+0x7a/0xad [ 427.323732] ? lock_release+0xa00/0xa00 [ 427.327707] ? perf_trace_sched_process_exec+0x860/0x860 [ 427.333158] ? print_usage_bug+0xc0/0xc0 [ 427.337221] ? print_usage_bug+0xc0/0xc0 [ 427.341313] ? down_read+0x8d/0x120 [ 427.344942] ? ext4_filemap_fault+0x7a/0xad [ 427.349265] ? __down_interruptible+0x700/0x700 [ 427.353944] ext4_filemap_fault+0x82/0xad [ 427.358100] __do_fault+0x100/0x6b0 [ 427.361737] ? pmd_devmap_trans_unstable+0x220/0x220 [ 427.366843] ? mark_held_locks+0x130/0x130 [ 427.371083] ? mark_held_locks+0x130/0x130 [ 427.375316] ? kasan_check_read+0x11/0x20 [ 427.379469] ? ep_poll+0xffa/0x13d0 [ 427.383100] ? trace_hardirqs_off_caller+0x310/0x310 [ 427.388240] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 427.393788] __handle_mm_fault+0x3ea0/0x5be0 [ 427.398198] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.403743] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 427.408595] ? do_epoll_create+0x590/0x590 [ 427.412827] ? kasan_check_read+0x11/0x20 [ 427.416975] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 427.422255] ? rcu_softirq_qs+0x20/0x20 [ 427.426248] ? zap_class+0x640/0x640 [ 427.429961] ? zap_class+0x640/0x640 [ 427.433682] ? find_held_lock+0x36/0x1c0 [ 427.437780] ? handle_mm_fault+0x42a/0xc70 [ 427.442028] ? lock_downgrade+0x900/0x900 [ 427.446183] ? check_preemption_disabled+0x48/0x280 [ 427.451202] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 427.456127] ? kasan_check_read+0x11/0x20 [ 427.460273] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 427.465563] ? rcu_softirq_qs+0x20/0x20 [ 427.469564] ? trace_hardirqs_off_caller+0x310/0x310 [ 427.474687] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 427.480227] ? check_preemption_disabled+0x48/0x280 [ 427.485255] handle_mm_fault+0x54f/0xc70 [ 427.489336] ? __handle_mm_fault+0x5be0/0x5be0 [ 427.493924] ? find_vma+0x34/0x190 [ 427.497472] __do_page_fault+0x5e8/0xe60 [ 427.501533] ? trace_hardirqs_off+0xb8/0x310 [ 427.505942] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 427.511487] do_page_fault+0xf2/0x7e0 [ 427.515465] ? vmalloc_sync_all+0x30/0x30 [ 427.519612] ? error_entry+0x70/0xd0 [ 427.523354] ? trace_hardirqs_off_caller+0xbb/0x310 [ 427.528390] ? trace_hardirqs_on_caller+0xc0/0x310 [ 427.533321] ? syscall_return_slowpath+0x5e0/0x5e0 [ 427.538248] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 427.543094] ? trace_hardirqs_on_caller+0x310/0x310 [ 427.548112] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 427.553569] ? prepare_exit_to_usermode+0x291/0x3b0 [ 427.558586] ? page_fault+0x8/0x30 [ 427.562132] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 427.567025] ? page_fault+0x8/0x30 [ 427.570590] page_fault+0x1e/0x30 [ 427.574075] RIP: 0033:0x45df89 [ 427.577280] Code: Bad RIP value. [ 427.580643] RSP: 002b:000000c42017b850 EFLAGS: 00010246 [ 427.586026] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89 [ 427.593297] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004 [ 427.600562] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500 [ 427.607831] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8 [ 427.615124] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff [ 427.622420] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145 [ 427.622501] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 427.629782] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 427.629791] Call Trace: [ 427.636370] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 427.645642] [ 427.648240] syz-fuzzer cpuset=/ mems_allowed=0 [ 427.658478] dump_stack+0x244/0x39d [ 427.668825] ? dump_stack_print_info.cold.1+0x20/0x20 [ 427.674035] warn_alloc.cold.116+0xb7/0x1bd [ 427.678362] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 427.683211] ? lock_downgrade+0x900/0x900 [ 427.687370] ? trace_hardirqs_off+0xb8/0x310 [ 427.691786] ? trace_hardirqs_off+0xb8/0x310 [ 427.696220] __alloc_pages_slowpath+0x26e8/0x2e10 [ 427.701097] ? warn_alloc+0x120/0x120 [ 427.704943] ? print_usage_bug+0xc0/0xc0 [ 427.709032] ? warn_alloc+0x120/0x120 [ 427.712838] ? warn_alloc+0x120/0x120 [ 427.716645] ? print_usage_bug+0xc0/0xc0 [ 427.720710] ? print_usage_bug+0xc0/0xc0 [ 427.724774] ? __lock_acquire+0x62f/0x4c20 [ 427.729023] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 427.734583] ? should_fail+0x22d/0xd01 [ 427.738493] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 427.743599] ? __lock_acquire+0x62f/0x4c20 [ 427.747841] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 427.752970] ? __lock_acquire+0x62f/0x4c20 [ 427.757223] ? should_fail+0x22d/0xd01 [ 427.761127] ? find_held_lock+0x36/0x1c0 [ 427.765201] ? mark_held_locks+0x130/0x130 [ 427.769453] ? mark_held_locks+0x130/0x130 [ 427.773702] ? zap_class+0x640/0x640 [ 427.777417] ? zap_class+0x640/0x640 [ 427.781138] ? print_usage_bug+0xc0/0xc0 [ 427.785217] ? do_raw_spin_unlock+0xa7/0x330 [ 427.789625] ? zap_class+0x640/0x640 [ 427.793355] ? print_usage_bug+0xc0/0xc0 [ 427.797433] ? wq_watchdog_touch+0x9c/0xfe [ 427.801670] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.807211] ? check_preemption_disabled+0x48/0x280 [ 427.812238] ? __lock_is_held+0xb5/0x140 [ 427.816306] __alloc_pages_nodemask+0xa80/0xde0 [ 427.820977] ? zap_class+0x640/0x640 [ 427.824698] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 427.829726] ? find_held_lock+0x36/0x1c0 [ 427.833817] ? ____cache_alloc_node+0x1c7/0x1e0 [ 427.838505] ? lock_downgrade+0x900/0x900 [ 427.842664] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.848212] cache_grow_begin+0xa5/0x8c0 [ 427.852291] ? do_raw_spin_unlock+0xa7/0x330 [ 427.856711] fallback_alloc+0x204/0x2e0 [ 427.860692] ____cache_alloc_node+0x1c7/0x1e0 [ 427.865196] kmem_cache_alloc_node+0xe3/0x730 [ 427.869692] ? ipv6_get_ifaddr+0x42e/0x620 [ 427.873941] __alloc_skb+0x119/0x770 [ 427.877667] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 427.882979] ? netdev_alloc_frag+0x1f0/0x1f0 [ 427.887566] ? lock_downgrade+0x900/0x900 [ 427.891725] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.897266] ? refcount_sub_and_test_checked+0x203/0x310 [ 427.902720] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 427.908171] ? addrconf_rs_timer+0x690/0x690 [ 427.912595] ndisc_alloc_skb+0x144/0x340 [ 427.916677] ndisc_send_rs+0x331/0x6e0 [ 427.920577] addrconf_rs_timer+0x314/0x690 [ 427.924829] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 427.929074] call_timer_fn+0x272/0x920 [ 427.932967] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 427.937204] ? process_timeout+0x40/0x40 [ 427.941365] ? __run_timers+0x7da/0xc70 [ 427.945359] ? _raw_spin_unlock_irq+0x27/0x80 [ 427.949852] ? _raw_spin_unlock_irq+0x27/0x80 [ 427.954347] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 427.958585] ? lockdep_hardirqs_on+0x296/0x5b0 [ 427.963181] ? trace_hardirqs_on+0xbd/0x310 [ 427.967504] ? kasan_check_read+0x11/0x20 [ 427.971659] ? __run_timers+0x7da/0xc70 [ 427.975635] ? trace_hardirqs_off_caller+0x310/0x310 [ 427.980742] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 427.985000] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 427.989240] __run_timers+0x7e5/0xc70 [ 427.993057] ? timer_fixup_init+0x70/0x70 [ 427.997225] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 428.002245] ? zap_class+0x640/0x640 [ 428.005964] ? enqueue_hrtimer+0x1a5/0x560 [ 428.010243] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 428.015459] ? find_held_lock+0x36/0x1c0 [ 428.019528] ? zap_class+0x640/0x640 [ 428.023253] ? pvclock_read_flags+0x160/0x160 [ 428.027754] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.033295] ? check_preemption_disabled+0x48/0x280 [ 428.038341] ? __lock_is_held+0xb5/0x140 [ 428.042422] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.047980] ? check_preemption_disabled+0x48/0x280 [ 428.053006] run_timer_softirq+0x52/0xb0 [ 428.057105] ? rcu_read_lock_sched_held+0x14f/0x180 [ 428.062121] __do_softirq+0x308/0xb7e [ 428.065931] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 428.070438] ? lock_downgrade+0x900/0x900 [ 428.074605] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 428.079713] ? pvclock_read_flags+0x160/0x160 [ 428.084211] ? lapic_next_event+0x5a/0x90 [ 428.088362] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.093909] ? kvm_clock_read+0x18/0x30 [ 428.097888] ? kvm_sched_clock_read+0x9/0x20 [ 428.102302] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.107842] ? check_preemption_disabled+0x48/0x280 [ 428.112868] irq_exit+0x17f/0x1c0 [ 428.116325] smp_apic_timer_interrupt+0x1cb/0x760 [ 428.121212] ? smp_reschedule_interrupt+0x109/0x650 [ 428.126230] ? smp_call_function_single_interrupt+0x650/0x650 [ 428.132116] ? interrupt_entry+0xb5/0xc0 [ 428.136195] ? trace_hardirqs_off_caller+0xbb/0x310 [ 428.141212] ? trace_hardirqs_off_caller+0xbb/0x310 [ 428.146235] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 428.151080] ? trace_hardirqs_on_caller+0x310/0x310 [ 428.156101] ? trace_hardirqs_on_caller+0x310/0x310 [ 428.161218] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 428.166075] apic_timer_interrupt+0xf/0x20 [ 428.170305] [ 428.172549] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 428.177480] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7 [ 428.196381] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 428.204103] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 428.211384] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286 [ 428.218652] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000 [ 428.225921] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 428.233187] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020 [ 428.240500] skb_clone+0x1bb/0x500 [ 428.244049] ? finish_task_switch+0x2f4/0x910 [ 428.248559] ? skb_split+0x11e0/0x11e0 [ 428.252483] ? preempt_notifier_register+0x200/0x200 [ 428.257587] ? __switch_to_asm+0x34/0x70 [ 428.261662] ? __switch_to_asm+0x34/0x70 [ 428.265719] ? __switch_to_asm+0x40/0x70 [ 428.269792] ? __switch_to_asm+0x34/0x70 [ 428.273850] ? __switch_to_asm+0x40/0x70 [ 428.277922] ? __switch_to_asm+0x34/0x70 [ 428.281980] ? __switch_to_asm+0x40/0x70 [ 428.286061] ? __switch_to_asm+0x34/0x70 [ 428.290126] ? __switch_to_asm+0x34/0x70 [ 428.294187] ? __switch_to_asm+0x40/0x70 [ 428.298252] ? __switch_to_asm+0x34/0x70 [ 428.302348] bpf_clone_redirect+0xb9/0x490 [ 428.306642] ? __schedule+0x8d7/0x21d0 [ 428.310531] bpf_prog_bebbfe2050753572+0x1d8/0x1000 [ 428.315563] ? __sched_text_start+0x8/0x8 [ 428.319731] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 428.324325] ? retint_kernel+0x2d/0x2d [ 428.328214] ? trace_hardirqs_on_caller+0xc0/0x310 [ 428.333152] ? find_held_lock+0x36/0x1c0 [ 428.337224] ? lock_acquire+0x1ed/0x520 [ 428.341200] ? bpf_test_run+0x3cb/0x780 [ 428.345180] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.350723] ? check_preemption_disabled+0x48/0x280 [ 428.355747] ? kasan_check_read+0x11/0x20 [ 428.359896] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 428.365175] ? rcu_softirq_qs+0x20/0x20 [ 428.369151] ? preempt_schedule+0x4d/0x60 [ 428.373304] ? ___preempt_schedule+0x16/0x18 [ 428.377719] ? bpf_test_run+0x25d/0x780 [ 428.381710] ? netlink_diag_dump+0x2a0/0x2a0 [ 428.386128] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 428.391665] ? bpf_test_init.isra.10+0x70/0x100 [ 428.396343] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 428.401111] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 428.405953] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 428.411492] ? fput+0x130/0x1a0 [ 428.414775] ? __bpf_prog_get+0x9b/0x290 [ 428.418843] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 428.423688] ? bpf_prog_test_run+0x130/0x1a0 [ 428.428106] ? __x64_sys_bpf+0x3d8/0x520 [ 428.432171] ? bpf_prog_get+0x20/0x20 [ 428.435994] ? do_syscall_64+0x1b9/0x820 [ 428.440068] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 428.445436] ? syscall_return_slowpath+0x5e0/0x5e0 [ 428.450367] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 428.455217] ? trace_hardirqs_on_caller+0x310/0x310 [ 428.460241] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 428.465276] ? prepare_exit_to_usermode+0x291/0x3b0 [ 428.470302] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 428.475151] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 428.480549] warn_alloc_show_mem: 1 callbacks suppressed [ 428.480561] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145 [ 428.480563] Mem-Info: [ 428.480596] active_anon:51179 inactive_anon:236 isolated_anon:0 [ 428.480596] active_file:17 inactive_file:9 isolated_file:0 [ 428.480596] unevictable:0 dirty:0 writeback:0 unstable:0 [ 428.480596] slab_reclaimable:9362 slab_unreclaimable:1467319 [ 428.480596] mapped:16386 shmem:283 pagetables:457 bounce:0 [ 428.480596] free:13694 free_pcp:258 free_cma:0 [ 428.485955] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 428.485964] Call Trace: [ 428.492986] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 428.495390] [ 428.528168] 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 [ 428.537516] dump_stack+0x244/0x39d [ 428.540091] lowmem_reserve[]: 0 2818 6321 6321 [ 428.567598] ? dump_stack_print_info.cold.1+0x20/0x20 [ 428.569725] Node 0 DMA32 free:24972kB 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:0kB local_pcp:0kB free_cma:0kB [ 428.595838] warn_alloc.cold.116+0xb7/0x1bd [ 428.599434] lowmem_reserve[]: 0 0 3503 3503 [ 428.604011] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 428.609196] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB [ 428.636782] ? lock_downgrade+0x900/0x900 [ 428.641084] lowmem_reserve[]: 0 0 0 0 [ 428.645416] ? trace_hardirqs_off+0xb8/0x310 [ 428.650231] 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 [ 428.679201] ? trace_hardirqs_off+0xb8/0x310 [ 428.683325] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB [ 428.687157] __alloc_pages_slowpath+0x26e8/0x2e10 [ 428.691570] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB [ 428.705110] ? warn_alloc+0x120/0x120 [ 428.709477] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 428.724635] ? print_usage_bug+0xc0/0xc0 [ 428.729473] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 428.743795] ? warn_alloc+0x120/0x120 [ 428.747574] 309 total pagecache pages [ 428.756419] ? warn_alloc+0x120/0x120 [ 428.760456] 0 pages in swap cache [ 428.769026] ? print_usage_bug+0xc0/0xc0 [ 428.772805] Swap cache stats: add 0, delete 0, find 0/0 [ 428.776594] ? kvm_clock_read+0x18/0x30 [ 428.780372] Free swap = 0kB [ 428.783817] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 428.787849] Total swap = 0kB [ 428.793207] ? print_usage_bug+0xc0/0xc0 [ 428.797157] 1965979 pages RAM [ 428.800167] ? __lock_acquire+0x62f/0x4c20 [ 428.805158] 0 pages HighMem/MovableOnly [ 428.808189] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 428.812244] 342853 pages reserved [ 428.815346] ? should_fail+0x22d/0xd01 [ 428.819558] 0 pages cma reserved [ 428.823523] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 428.829107] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 428.832493] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 428.832508] ? __lock_acquire+0x62f/0x4c20 [ 428.832526] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 428.836453] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 428.839756] ? __lock_acquire+0x62f/0x4c20 [ 428.845009] syz-executor2 cpuset=syz2 mems_allowed=0 [ 428.851505] ? should_fail+0x22d/0xd01 [ 428.889591] ? rcu_irq_exit+0x1a2/0x390 [ 428.893590] ? mark_held_locks+0x130/0x130 [ 428.897830] ? mark_held_locks+0x130/0x130 [ 428.902079] ? mark_held_locks+0xc7/0x130 [ 428.906234] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 428.911249] ? zap_class+0x640/0x640 [ 428.914963] ? print_usage_bug+0xc0/0xc0 [ 428.919043] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.924583] ? check_preemption_disabled+0x48/0x280 [ 428.929625] ? __lock_is_held+0xb5/0x140 [ 428.933708] __alloc_pages_nodemask+0xa80/0xde0 [ 428.938376] ? zap_class+0x640/0x640 [ 428.942096] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 428.947150] ? find_held_lock+0x36/0x1c0 [ 428.951234] ? ____cache_alloc_node+0x1c7/0x1e0 [ 428.955909] ? lock_downgrade+0x900/0x900 [ 428.960075] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.965632] cache_grow_begin+0xa5/0x8c0 [ 428.969693] ? do_raw_spin_unlock+0xa7/0x330 [ 428.974115] fallback_alloc+0x204/0x2e0 [ 428.978109] ____cache_alloc_node+0x1c7/0x1e0 [ 428.982671] kmem_cache_alloc_node+0xe3/0x730 [ 428.987165] ? ipv6_get_ifaddr+0x42e/0x620 [ 428.991429] __alloc_skb+0x119/0x770 [ 428.995144] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 429.000457] ? netdev_alloc_frag+0x1f0/0x1f0 [ 429.004885] ? lock_downgrade+0x900/0x900 [ 429.009083] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.014635] ? refcount_sub_and_test_checked+0x203/0x310 [ 429.020092] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 429.025543] ? addrconf_rs_timer+0x690/0x690 [ 429.029972] ndisc_alloc_skb+0x144/0x340 [ 429.034050] ndisc_send_rs+0x331/0x6e0 [ 429.037948] addrconf_rs_timer+0x314/0x690 [ 429.042189] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 429.046435] call_timer_fn+0x272/0x920 [ 429.050347] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 429.054582] ? process_timeout+0x40/0x40 [ 429.058651] ? mark_held_locks+0xc7/0x130 [ 429.062813] ? _raw_spin_unlock_irq+0x27/0x80 [ 429.067319] ? _raw_spin_unlock_irq+0x27/0x80 [ 429.071811] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 429.076058] ? lockdep_hardirqs_on+0x296/0x5b0 [ 429.080671] ? trace_hardirqs_on+0xbd/0x310 [ 429.085001] ? kasan_check_read+0x11/0x20 [ 429.089158] ? __run_timers+0x7da/0xc70 [ 429.093137] ? trace_hardirqs_off_caller+0x310/0x310 [ 429.098263] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 429.102505] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 429.106743] __run_timers+0x7e5/0xc70 [ 429.110587] ? timer_fixup_init+0x70/0x70 [ 429.114749] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 429.119769] ? zap_class+0x640/0x640 [ 429.123485] ? print_usage_bug+0xc0/0xc0 [ 429.127545] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 429.132744] ? find_held_lock+0x36/0x1c0 [ 429.136816] ? zap_class+0x640/0x640 [ 429.140538] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.146082] ? check_preemption_disabled+0x48/0x280 [ 429.151111] ? __lock_is_held+0xb5/0x140 [ 429.155175] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.160718] ? check_preemption_disabled+0x48/0x280 [ 429.165752] run_timer_softirq+0x52/0xb0 [ 429.170699] ? rcu_read_lock_sched_held+0x14f/0x180 [ 429.175721] __do_softirq+0x308/0xb7e [ 429.179528] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 429.184034] ? lock_downgrade+0x900/0x900 [ 429.188210] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 429.193349] ? pvclock_read_flags+0x160/0x160 [ 429.197876] ? lapic_next_event+0x5a/0x90 [ 429.202052] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.207596] ? kvm_clock_read+0x18/0x30 [ 429.211574] ? kvm_sched_clock_read+0x9/0x20 [ 429.215983] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.221529] ? check_preemption_disabled+0x48/0x280 [ 429.226554] irq_exit+0x17f/0x1c0 [ 429.230056] smp_apic_timer_interrupt+0x1cb/0x760 [ 429.234945] ? smp_reschedule_interrupt+0x109/0x650 [ 429.239971] ? smp_call_function_single_interrupt+0x650/0x650 [ 429.245880] ? interrupt_entry+0xb5/0xc0 [ 429.249944] ? trace_hardirqs_off_caller+0xbb/0x310 [ 429.254958] ? trace_hardirqs_off_caller+0xbb/0x310 [ 429.259975] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 429.264845] ? trace_hardirqs_on_caller+0x310/0x310 [ 429.270078] ? trace_hardirqs_on_caller+0x310/0x310 [ 429.275098] ? task_prio+0x50/0x50 [ 429.278671] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.284210] ? check_preemption_disabled+0x48/0x280 [ 429.289234] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 429.294105] apic_timer_interrupt+0xf/0x20 [ 429.298344] [ 429.300584] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 429.305780] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 429.324681] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 429.332387] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e [ 429.339655] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc [ 429.346926] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 429.354193] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000 [ 429.361507] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 429.368821] retint_kernel+0x1b/0x2d [ 429.372536] RIP: 0010:dump_stack+0x358/0x39d [ 429.376945] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 429.395843] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 429.403551] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e [ 429.410822] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 429.418090] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 429.425357] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45 [ 429.432622] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 429.439905] ? dump_stack+0x34f/0x39d [ 429.443731] ? dump_stack_print_info.cold.1+0x20/0x20 [ 429.449813] ? mark_held_locks+0x130/0x130 [ 429.454058] ? mark_held_locks+0x130/0x130 [ 429.458303] dump_header+0x27b/0xf72 [ 429.462057] ? pagefault_out_of_memory+0x197/0x197 [ 429.467021] ? __lock_acquire+0x62f/0x4c20 [ 429.471261] ? percpu_ref_get_many+0x240/0x240 [ 429.475848] ? print_usage_bug+0xc0/0xc0 [ 429.479916] ? zap_class+0x640/0x640 [ 429.483636] ? print_usage_bug+0xc0/0xc0 [ 429.487722] ? print_usage_bug+0xc0/0xc0 [ 429.491799] ? zap_class+0x640/0x640 [ 429.495519] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.501068] ? find_held_lock+0x36/0x1c0 [ 429.505141] ? mark_held_locks+0xc7/0x130 [ 429.509292] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 429.514392] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 429.519499] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 429.524084] ? trace_hardirqs_on+0xbd/0x310 [ 429.528406] ? kasan_check_read+0x11/0x20 [ 429.532551] ? ___ratelimit+0x3b4/0x672 [ 429.536527] ? trace_hardirqs_off_caller+0x310/0x310 [ 429.541630] ? trace_hardirqs_on+0x310/0x310 [ 429.546052] ? lock_downgrade+0x900/0x900 [ 429.550206] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 429.555308] ? ___ratelimit+0x3b9/0x672 [ 429.559287] ? idr_get_free+0xf70/0xf70 [ 429.563262] ? find_held_lock+0x36/0x1c0 [ 429.567334] oom_kill_process.cold.27+0x10/0x903 [ 429.572090] ? zap_class+0x640/0x640 [ 429.575831] ? check_preemption_disabled+0x48/0x280 [ 429.580908] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 429.585855] ? kasan_check_read+0x11/0x20 [ 429.590005] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 429.595314] ? oom_evaluate_task+0x540/0x540 [ 429.599729] ? find_held_lock+0x36/0x1c0 [ 429.603801] ? out_of_memory+0x974/0x1430 [ 429.607970] ? lock_downgrade+0x900/0x900 [ 429.612135] ? check_preemption_disabled+0x48/0x280 [ 429.617159] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 429.622085] ? kasan_check_read+0x11/0x20 [ 429.626236] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 429.631515] ? rcu_softirq_qs+0x20/0x20 [ 429.635495] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 429.641044] ? oom_evaluate_task+0x302/0x540 [ 429.645481] out_of_memory+0xa84/0x1430 [ 429.649467] ? oom_killer_disable+0x3a0/0x3a0 [ 429.653979] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 429.658914] ? __ww_mutex_check_waiters+0x160/0x160 [ 429.663941] __alloc_pages_slowpath+0x2354/0x2e10 [ 429.668854] ? warn_alloc+0x120/0x120 [ 429.672657] ? mark_held_locks+0x130/0x130 [ 429.676912] ? find_get_entry+0xaae/0x1120 [ 429.681161] ? filemap_map_pages+0x1a20/0x1a20 [ 429.685774] ? zap_class+0x640/0x640 [ 429.689499] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.695049] ? check_preemption_disabled+0x48/0x280 [ 429.700088] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 429.705624] ? should_fail+0x22d/0xd01 [ 429.709532] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 429.714634] ? zap_class+0x640/0x640 [ 429.718380] ? __lock_is_held+0xb5/0x140 [ 429.722447] ? mark_held_locks+0x130/0x130 [ 429.726701] ? lock_release+0xa00/0xa00 [ 429.730673] ? perf_trace_sched_process_exec+0x860/0x860 [ 429.736122] ? xa_load+0x2ba/0x460 [ 429.739668] ? lock_downgrade+0x900/0x900 [ 429.743830] ? __might_sleep+0x95/0x190 [ 429.747814] __alloc_pages_nodemask+0xa80/0xde0 [ 429.752496] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 429.757517] ? __page_cache_alloc+0x191/0x5c0 [ 429.762010] ? xa_load+0x2e1/0x460 [ 429.765581] ? xa_clear_mark+0x40/0x40 [ 429.769476] ? zap_class+0x640/0x640 [ 429.773197] ? zap_class+0x640/0x640 [ 429.776939] ? zap_class+0x640/0x640 [ 429.780651] ? __do_page_cache_readahead+0x663/0x810 [ 429.785759] ? find_held_lock+0x36/0x1c0 [ 429.789825] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 429.795369] alloc_pages_current+0x173/0x350 [ 429.799815] __page_cache_alloc+0x38c/0x5c0 [ 429.804135] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 429.809070] ? kasan_check_read+0x11/0x20 [ 429.813222] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 429.818520] ? generic_perform_write+0x6a0/0x6a0 [ 429.823282] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 429.828824] ? check_preemption_disabled+0x48/0x280 [ 429.833851] filemap_fault+0x1595/0x25f0 [ 429.837927] ? __lock_page_or_retry+0xa00/0xa00 [ 429.842615] ? mark_held_locks+0x130/0x130 [ 429.846874] ? filemap_map_pages+0xd6b/0x1a20 [ 429.851369] ? lock_downgrade+0x900/0x900 [ 429.855530] ? check_preemption_disabled+0x48/0x280 [ 429.860554] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 429.865482] ? kasan_check_read+0x11/0x20 [ 429.869628] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 429.874902] ? rcu_softirq_qs+0x20/0x20 [ 429.878894] ? filemap_map_pages+0xd92/0x1a20 [ 429.883404] ? find_get_entries_tag+0x1400/0x1400 [ 429.888252] ? ep_scan_ready_list+0xbc7/0x1050 [ 429.892835] ? trace_hardirqs_off_caller+0x310/0x310 [ 429.897956] ? lock_acquire+0x1ed/0x520 [ 429.901931] ? ext4_filemap_fault+0x7a/0xad [ 429.906262] ? lock_release+0xa00/0xa00 [ 429.910237] ? perf_trace_sched_process_exec+0x860/0x860 [ 429.915690] ? print_usage_bug+0xc0/0xc0 [ 429.919756] ? print_usage_bug+0xc0/0xc0 [ 429.923862] ? down_read+0x8d/0x120 [ 429.927489] ? ext4_filemap_fault+0x7a/0xad [ 429.931811] ? __down_interruptible+0x700/0x700 [ 429.936494] ext4_filemap_fault+0x82/0xad [ 429.940647] __do_fault+0x100/0x6b0 [ 429.944278] ? pmd_devmap_trans_unstable+0x220/0x220 [ 429.949384] ? mark_held_locks+0x130/0x130 [ 429.953635] ? mark_held_locks+0x130/0x130 [ 429.957870] ? kasan_check_read+0x11/0x20 [ 429.962031] ? ep_poll+0xffa/0x13d0 [ 429.965671] ? trace_hardirqs_off_caller+0x310/0x310 [ 429.970799] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 429.976346] __handle_mm_fault+0x3ea0/0x5be0 [ 429.980773] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.986335] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 429.991186] ? do_epoll_create+0x590/0x590 [ 429.995420] ? kasan_check_read+0x11/0x20 [ 429.999587] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 430.004866] ? rcu_softirq_qs+0x20/0x20 [ 430.008853] ? zap_class+0x640/0x640 [ 430.012563] ? zap_class+0x640/0x640 [ 430.016288] ? find_held_lock+0x36/0x1c0 [ 430.020360] ? handle_mm_fault+0x42a/0xc70 [ 430.024605] ? lock_downgrade+0x900/0x900 [ 430.028770] ? check_preemption_disabled+0x48/0x280 [ 430.033792] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 430.038718] ? kasan_check_read+0x11/0x20 [ 430.042865] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 430.048157] ? rcu_softirq_qs+0x20/0x20 [ 430.052151] ? trace_hardirqs_off_caller+0x310/0x310 [ 430.057260] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 430.062814] ? check_preemption_disabled+0x48/0x280 [ 430.067836] handle_mm_fault+0x54f/0xc70 [ 430.071901] ? __handle_mm_fault+0x5be0/0x5be0 [ 430.076504] ? find_vma+0x34/0x190 [ 430.080069] __do_page_fault+0x5e8/0xe60 [ 430.084161] ? trace_hardirqs_off+0xb8/0x310 [ 430.088586] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 430.094139] do_page_fault+0xf2/0x7e0 [ 430.097940] ? vmalloc_sync_all+0x30/0x30 [ 430.102106] ? error_entry+0x70/0xd0 [ 430.105821] ? trace_hardirqs_off_caller+0xbb/0x310 [ 430.110835] ? trace_hardirqs_on_caller+0xc0/0x310 [ 430.115763] ? syscall_return_slowpath+0x5e0/0x5e0 [ 430.120694] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 430.125537] ? trace_hardirqs_on_caller+0x310/0x310 [ 430.130575] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 430.136064] ? prepare_exit_to_usermode+0x291/0x3b0 [ 430.141081] ? page_fault+0x8/0x30 [ 430.144626] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 430.149473] ? page_fault+0x8/0x30 [ 430.153025] page_fault+0x1e/0x30 [ 430.156485] RIP: 0033:0x45df89 [ 430.159689] Code: Bad RIP value. [ 430.163057] RSP: 002b:000000c42017b850 EFLAGS: 00010246 [ 430.168590] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89 [ 430.175856] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004 [ 430.183123] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500 [ 430.190389] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8 [ 430.197659] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff [ 430.204953] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145 [ 430.205054] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 430.212312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 430.212318] Call Trace: [ 430.212324] [ 430.212342] dump_stack+0x244/0x39d [ 430.212364] ? dump_stack_print_info.cold.1+0x20/0x20 [ 430.218893] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 430.228194] warn_alloc.cold.116+0xb7/0x1bd [ 430.230747] syz-fuzzer cpuset=/ mems_allowed=0 [ 430.232894] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 430.265604] ? lock_downgrade+0x900/0x900 [ 430.269787] ? trace_hardirqs_off+0xb8/0x310 [ 430.274242] ? trace_hardirqs_off+0xb8/0x310 [ 430.278672] __alloc_pages_slowpath+0x26e8/0x2e10 [ 430.283564] ? warn_alloc+0x120/0x120 [ 430.287368] ? print_usage_bug+0xc0/0xc0 [ 430.291430] ? warn_alloc+0x120/0x120 [ 430.295237] ? warn_alloc+0x120/0x120 [ 430.299051] ? print_usage_bug+0xc0/0xc0 [ 430.303124] ? print_usage_bug+0xc0/0xc0 [ 430.307190] ? __lock_acquire+0x62f/0x4c20 [ 430.311433] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 430.316972] ? should_fail+0x22d/0xd01 [ 430.320914] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 430.326024] ? __lock_acquire+0x62f/0x4c20 [ 430.330266] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 430.335368] ? __lock_acquire+0x62f/0x4c20 [ 430.339601] ? should_fail+0x22d/0xd01 [ 430.343489] ? find_held_lock+0x36/0x1c0 [ 430.347590] ? mark_held_locks+0x130/0x130 [ 430.351864] ? mark_held_locks+0x130/0x130 [ 430.356098] ? zap_class+0x640/0x640 [ 430.359813] ? zap_class+0x640/0x640 [ 430.363578] ? print_usage_bug+0xc0/0xc0 [ 430.367634] ? do_raw_spin_unlock+0xa7/0x330 [ 430.372062] ? zap_class+0x640/0x640 [ 430.375788] ? print_usage_bug+0xc0/0xc0 [ 430.379850] ? wq_watchdog_touch+0x9c/0xfe [ 430.384092] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.389632] ? check_preemption_disabled+0x48/0x280 [ 430.394664] ? __lock_is_held+0xb5/0x140 [ 430.398732] __alloc_pages_nodemask+0xa80/0xde0 [ 430.403403] ? zap_class+0x640/0x640 [ 430.407145] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 430.412188] ? find_held_lock+0x36/0x1c0 [ 430.416266] ? ____cache_alloc_node+0x1c7/0x1e0 [ 430.420936] ? lock_downgrade+0x900/0x900 [ 430.425107] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.430653] cache_grow_begin+0xa5/0x8c0 [ 430.434712] ? do_raw_spin_unlock+0xa7/0x330 [ 430.439135] fallback_alloc+0x204/0x2e0 [ 430.443128] ____cache_alloc_node+0x1c7/0x1e0 [ 430.447633] kmem_cache_alloc_node+0xe3/0x730 [ 430.452131] ? ipv6_get_ifaddr+0x42e/0x620 [ 430.456378] __alloc_skb+0x119/0x770 [ 430.460092] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 430.465378] ? netdev_alloc_frag+0x1f0/0x1f0 [ 430.469799] ? lock_downgrade+0x900/0x900 [ 430.473953] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.479494] ? refcount_sub_and_test_checked+0x203/0x310 [ 430.484955] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 430.490406] ? addrconf_rs_timer+0x690/0x690 [ 430.494842] ndisc_alloc_skb+0x144/0x340 [ 430.498913] ndisc_send_rs+0x331/0x6e0 [ 430.502810] addrconf_rs_timer+0x314/0x690 [ 430.507066] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 430.511311] call_timer_fn+0x272/0x920 [ 430.515215] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 430.519485] ? process_timeout+0x40/0x40 [ 430.523562] ? __run_timers+0x7da/0xc70 [ 430.527547] ? _raw_spin_unlock_irq+0x27/0x80 [ 430.532045] ? _raw_spin_unlock_irq+0x27/0x80 [ 430.536546] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 430.540785] ? lockdep_hardirqs_on+0x296/0x5b0 [ 430.545369] ? trace_hardirqs_on+0xbd/0x310 [ 430.549690] ? kasan_check_read+0x11/0x20 [ 430.553839] ? __run_timers+0x7da/0xc70 [ 430.557815] ? trace_hardirqs_off_caller+0x310/0x310 [ 430.562928] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 430.567187] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 430.571420] __run_timers+0x7e5/0xc70 [ 430.575230] ? timer_fixup_init+0x70/0x70 [ 430.579382] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 430.584395] ? zap_class+0x640/0x640 [ 430.588108] ? enqueue_hrtimer+0x1a5/0x560 [ 430.592395] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 430.597620] ? find_held_lock+0x36/0x1c0 [ 430.601702] ? zap_class+0x640/0x640 [ 430.605426] ? pvclock_read_flags+0x160/0x160 [ 430.609926] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.615649] ? check_preemption_disabled+0x48/0x280 [ 430.620680] ? __lock_is_held+0xb5/0x140 [ 430.624745] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.630301] ? check_preemption_disabled+0x48/0x280 [ 430.635530] run_timer_softirq+0x52/0xb0 [ 430.639600] ? rcu_read_lock_sched_held+0x14f/0x180 [ 430.644620] __do_softirq+0x308/0xb7e [ 430.648446] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 430.652962] ? lock_downgrade+0x900/0x900 [ 430.657119] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 430.662231] ? pvclock_read_flags+0x160/0x160 [ 430.666732] ? lapic_next_event+0x5a/0x90 [ 430.670884] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.676430] ? kvm_clock_read+0x18/0x30 [ 430.680407] ? kvm_sched_clock_read+0x9/0x20 [ 430.684820] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.690378] ? check_preemption_disabled+0x48/0x280 [ 430.695403] irq_exit+0x17f/0x1c0 [ 430.698861] smp_apic_timer_interrupt+0x1cb/0x760 [ 430.703711] ? smp_reschedule_interrupt+0x109/0x650 [ 430.708727] ? smp_call_function_single_interrupt+0x650/0x650 [ 430.714619] ? interrupt_entry+0xb5/0xc0 [ 430.718682] ? trace_hardirqs_off_caller+0xbb/0x310 [ 430.723714] ? trace_hardirqs_off_caller+0xbb/0x310 [ 430.728747] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 430.733614] ? trace_hardirqs_on_caller+0x310/0x310 [ 430.738628] ? trace_hardirqs_on_caller+0x310/0x310 [ 430.744170] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 430.749033] apic_timer_interrupt+0xf/0x20 [ 430.753276] [ 430.755515] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 430.760451] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7 [ 430.779350] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 430.787074] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 430.794341] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286 [ 430.801636] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000 [ 430.808901] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 430.816169] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020 [ 430.823474] skb_clone+0x1bb/0x500 [ 430.827026] ? finish_task_switch+0x2f4/0x910 [ 430.831529] ? skb_split+0x11e0/0x11e0 [ 430.835440] ? preempt_notifier_register+0x200/0x200 [ 430.840563] ? __switch_to_asm+0x34/0x70 [ 430.844623] ? __switch_to_asm+0x34/0x70 [ 430.848683] ? __switch_to_asm+0x40/0x70 [ 430.852742] ? __switch_to_asm+0x34/0x70 [ 430.856800] ? __switch_to_asm+0x40/0x70 [ 430.860858] ? __switch_to_asm+0x34/0x70 [ 430.864919] ? __switch_to_asm+0x40/0x70 [ 430.868998] ? __switch_to_asm+0x34/0x70 [ 430.873075] ? __switch_to_asm+0x34/0x70 [ 430.877134] ? __switch_to_asm+0x40/0x70 [ 430.881209] ? __switch_to_asm+0x34/0x70 [ 430.885289] bpf_clone_redirect+0xb9/0x490 [ 430.889523] ? __schedule+0x8d7/0x21d0 [ 430.893467] bpf_prog_bebbfe2050753572+0x1d8/0x1000 [ 430.898531] ? __sched_text_start+0x8/0x8 [ 430.902691] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 430.907273] ? retint_kernel+0x2d/0x2d [ 430.911168] ? trace_hardirqs_on_caller+0xc0/0x310 [ 430.916101] ? find_held_lock+0x36/0x1c0 [ 430.920170] ? lock_acquire+0x1ed/0x520 [ 430.924162] ? bpf_test_run+0x3cb/0x780 [ 430.928151] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.933690] ? check_preemption_disabled+0x48/0x280 [ 430.938712] ? kasan_check_read+0x11/0x20 [ 430.942860] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 430.948137] ? rcu_softirq_qs+0x20/0x20 [ 430.952115] ? preempt_schedule+0x4d/0x60 [ 430.956267] ? ___preempt_schedule+0x16/0x18 [ 430.960686] ? bpf_test_run+0x25d/0x780 [ 430.964676] ? netlink_diag_dump+0x2a0/0x2a0 [ 430.969091] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 430.974628] ? bpf_test_init.isra.10+0x70/0x100 [ 430.979303] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 430.984089] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 430.988931] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 430.994473] ? fput+0x130/0x1a0 [ 430.997754] ? __bpf_prog_get+0x9b/0x290 [ 431.001824] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 431.006665] ? bpf_prog_test_run+0x130/0x1a0 [ 431.011078] ? __x64_sys_bpf+0x3d8/0x520 [ 431.015139] ? bpf_prog_get+0x20/0x20 [ 431.018964] ? do_syscall_64+0x1b9/0x820 [ 431.023046] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 431.028418] ? syscall_return_slowpath+0x5e0/0x5e0 [ 431.033351] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 431.038196] ? trace_hardirqs_on_caller+0x310/0x310 [ 431.043229] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 431.048247] ? prepare_exit_to_usermode+0x291/0x3b0 [ 431.053269] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 431.058118] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 431.063613] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145 [ 431.063619] warn_alloc_show_mem: 1 callbacks suppressed [ 431.063626] Mem-Info: [ 431.070636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 431.076005] active_anon:51179 inactive_anon:236 isolated_anon:0 [ 431.076005] active_file:17 inactive_file:9 isolated_file:0 [ 431.076005] unevictable:0 dirty:0 writeback:0 unstable:0 [ 431.076005] slab_reclaimable:9362 slab_unreclaimable:1467319 [ 431.076005] mapped:16386 shmem:283 pagetables:457 bounce:0 [ 431.076005] free:13694 free_pcp:258 free_cma:0 [ 431.078378] Call Trace: [ 431.087772] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 431.120541] [ 431.120561] dump_stack+0x244/0x39d [ 431.123121] 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 [ 431.150613] ? dump_stack_print_info.cold.1+0x20/0x20 [ 431.152737] lowmem_reserve[]: 0 2818 6321 6321 [ 431.156366] warn_alloc.cold.116+0xb7/0x1bd [ 431.182443] Node 0 DMA32 free:24972kB 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:0kB local_pcp:0kB free_cma:0kB [ 431.187627] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 431.192184] lowmem_reserve[]: 0 0 3503 3503 [ 431.196505] ? lock_downgrade+0x900/0x900 [ 431.223629] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB [ 431.228482] ? trace_hardirqs_off+0xb8/0x310 [ 431.232806] lowmem_reserve[]: 0 0 0 0 [ 431.236949] ? trace_hardirqs_off+0xb8/0x310 [ 431.265999] 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 [ 431.270428] __alloc_pages_slowpath+0x26e8/0x2e10 [ 431.274199] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB [ 431.278624] ? warn_alloc+0x120/0x120 [ 431.292100] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB [ 431.296939] ? print_usage_bug+0xc0/0xc0 [ 431.312092] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 431.315892] ? warn_alloc+0x120/0x120 [ 431.330105] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 431.334152] ? warn_alloc+0x120/0x120 [ 431.342963] 309 total pagecache pages [ 431.346760] ? print_usage_bug+0xc0/0xc0 [ 431.355325] 0 pages in swap cache [ 431.359115] ? print_usage_bug+0xc0/0xc0 [ 431.362893] Swap cache stats: add 0, delete 0, find 0/0 [ 431.366949] ? __lock_acquire+0x62f/0x4c20 [ 431.370377] Free swap = 0kB [ 431.374437] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 431.379777] Total swap = 0kB [ 431.384027] ? should_fail+0x22d/0xd01 [ 431.387027] 1965979 pages RAM [ 431.392615] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 431.395650] 0 pages HighMem/MovableOnly [ 431.399529] ? __lock_acquire+0x62f/0x4c20 [ 431.402626] 342853 pages reserved [ 431.407738] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 431.411689] 0 pages cma reserved [ 431.415945] ? __lock_acquire+0x62f/0x4c20 [ 431.419445] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 431.424468] ? should_fail+0x22d/0xd01 [ 431.424482] ? find_held_lock+0x36/0x1c0 [ 431.424522] ? mark_held_locks+0x130/0x130 [ 431.428429] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 431.432111] ? mark_held_locks+0x130/0x130 [ 431.432129] ? zap_class+0x640/0x640 [ 431.438734] syz-executor2 cpuset=syz2 mems_allowed=0 [ 431.442618] ? zap_class+0x640/0x640 [ 431.442636] ? print_usage_bug+0xc0/0xc0 [ 431.482243] ? do_raw_spin_unlock+0xa7/0x330 [ 431.486664] ? zap_class+0x640/0x640 [ 431.490383] ? print_usage_bug+0xc0/0xc0 [ 431.494443] ? wq_watchdog_touch+0x9c/0xfe [ 431.498684] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.504230] ? check_preemption_disabled+0x48/0x280 [ 431.509257] ? __lock_is_held+0xb5/0x140 [ 431.513339] __alloc_pages_nodemask+0xa80/0xde0 [ 431.518009] ? zap_class+0x640/0x640 [ 431.521742] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 431.526775] ? find_held_lock+0x36/0x1c0 [ 431.530849] ? ____cache_alloc_node+0x1c7/0x1e0 [ 431.535537] ? lock_downgrade+0x900/0x900 [ 431.539713] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.545267] cache_grow_begin+0xa5/0x8c0 [ 431.549336] ? do_raw_spin_unlock+0xa7/0x330 [ 431.553757] fallback_alloc+0x204/0x2e0 [ 431.557741] ____cache_alloc_node+0x1c7/0x1e0 [ 431.562245] kmem_cache_alloc_node+0xe3/0x730 [ 431.566746] ? ipv6_get_ifaddr+0x42e/0x620 [ 431.571007] __alloc_skb+0x119/0x770 [ 431.574739] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 431.580046] ? netdev_alloc_frag+0x1f0/0x1f0 [ 431.584459] ? lock_downgrade+0x900/0x900 [ 431.588613] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.594152] ? refcount_sub_and_test_checked+0x203/0x310 [ 431.599625] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 431.605076] ? addrconf_rs_timer+0x690/0x690 [ 431.609497] ndisc_alloc_skb+0x144/0x340 [ 431.613567] ndisc_send_rs+0x331/0x6e0 [ 431.617466] addrconf_rs_timer+0x314/0x690 [ 431.621718] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 431.625963] call_timer_fn+0x272/0x920 [ 431.629868] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 431.634111] ? process_timeout+0x40/0x40 [ 431.638196] ? mark_held_locks+0xc7/0x130 [ 431.642388] ? _raw_spin_unlock_irq+0x27/0x80 [ 431.646883] ? _raw_spin_unlock_irq+0x27/0x80 [ 431.651393] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 431.655644] ? lockdep_hardirqs_on+0x296/0x5b0 [ 431.660227] ? trace_hardirqs_on+0xbd/0x310 [ 431.664552] ? kasan_check_read+0x11/0x20 [ 431.668704] ? __run_timers+0x7da/0xc70 [ 431.672680] ? trace_hardirqs_off_caller+0x310/0x310 [ 431.677800] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 431.682090] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 431.686327] __run_timers+0x7e5/0xc70 [ 431.690139] ? timer_fixup_init+0x70/0x70 [ 431.694292] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 431.699325] ? zap_class+0x640/0x640 [ 431.703078] ? print_usage_bug+0xc0/0xc0 [ 431.707147] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 431.712344] ? find_held_lock+0x36/0x1c0 [ 431.716412] ? zap_class+0x640/0x640 [ 431.720162] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.725734] ? check_preemption_disabled+0x48/0x280 [ 431.730762] ? __lock_is_held+0xb5/0x140 [ 431.734825] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.740367] ? check_preemption_disabled+0x48/0x280 [ 431.745395] run_timer_softirq+0x52/0xb0 [ 431.749459] ? rcu_read_lock_sched_held+0x14f/0x180 [ 431.754493] __do_softirq+0x308/0xb7e [ 431.758298] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 431.762792] ? lock_downgrade+0x900/0x900 [ 431.766948] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 431.772067] ? pvclock_read_flags+0x160/0x160 [ 431.776564] ? lapic_next_event+0x5a/0x90 [ 431.780717] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.786262] ? kvm_clock_read+0x18/0x30 [ 431.790237] ? kvm_sched_clock_read+0x9/0x20 [ 431.794650] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.800186] ? check_preemption_disabled+0x48/0x280 [ 431.805217] irq_exit+0x17f/0x1c0 [ 431.808674] smp_apic_timer_interrupt+0x1cb/0x760 [ 431.813515] ? smp_reschedule_interrupt+0x109/0x650 [ 431.818533] ? smp_call_function_single_interrupt+0x650/0x650 [ 431.824420] ? interrupt_entry+0xb5/0xc0 [ 431.828483] ? trace_hardirqs_off_caller+0xbb/0x310 [ 431.833531] ? trace_hardirqs_off_caller+0xbb/0x310 [ 431.838549] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 431.843398] ? trace_hardirqs_on_caller+0x310/0x310 [ 431.848417] ? trace_hardirqs_on_caller+0x310/0x310 [ 431.853434] ? task_prio+0x50/0x50 [ 431.856981] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.862569] ? check_preemption_disabled+0x48/0x280 [ 431.867627] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 431.872479] apic_timer_interrupt+0xf/0x20 [ 431.876706] [ 431.878947] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 431.884139] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 431.903053] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 431.910789] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e [ 431.918059] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc [ 431.925327] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 431.932593] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000 [ 431.939877] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 431.947175] retint_kernel+0x1b/0x2d [ 431.950891] RIP: 0010:dump_stack+0x358/0x39d [ 431.955297] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 431.974195] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 431.981932] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e [ 431.989213] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 431.996482] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 432.003751] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45 [ 432.011027] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 432.018320] ? dump_stack+0x34f/0x39d [ 432.022133] ? dump_stack_print_info.cold.1+0x20/0x20 [ 432.027327] ? mark_held_locks+0x130/0x130 [ 432.031562] ? mark_held_locks+0x130/0x130 [ 432.035818] dump_header+0x27b/0xf72 [ 432.039558] ? pagefault_out_of_memory+0x197/0x197 [ 432.044536] ? __lock_acquire+0x62f/0x4c20 [ 432.048773] ? percpu_ref_get_many+0x240/0x240 [ 432.053372] ? print_usage_bug+0xc0/0xc0 [ 432.057442] ? zap_class+0x640/0x640 [ 432.061161] ? print_usage_bug+0xc0/0xc0 [ 432.065224] ? print_usage_bug+0xc0/0xc0 [ 432.069285] ? zap_class+0x640/0x640 [ 432.073000] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.078597] ? find_held_lock+0x36/0x1c0 [ 432.082673] ? mark_held_locks+0xc7/0x130 [ 432.086821] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 432.091924] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 432.097040] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 432.101623] ? trace_hardirqs_on+0xbd/0x310 [ 432.105942] ? kasan_check_read+0x11/0x20 [ 432.110088] ? ___ratelimit+0x3b4/0x672 [ 432.114067] ? trace_hardirqs_off_caller+0x310/0x310 [ 432.119187] ? trace_hardirqs_on+0x310/0x310 [ 432.123601] ? lock_downgrade+0x900/0x900 [ 432.127759] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 432.132892] ? ___ratelimit+0x3b9/0x672 [ 432.136880] ? idr_get_free+0xf70/0xf70 [ 432.140871] ? find_held_lock+0x36/0x1c0 [ 432.144945] oom_kill_process.cold.27+0x10/0x903 [ 432.149704] ? zap_class+0x640/0x640 [ 432.153435] ? check_preemption_disabled+0x48/0x280 [ 432.158562] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 432.163503] ? kasan_check_read+0x11/0x20 [ 432.167681] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 432.173145] ? oom_evaluate_task+0x540/0x540 [ 432.177556] ? find_held_lock+0x36/0x1c0 [ 432.181627] ? out_of_memory+0x974/0x1430 [ 432.185776] ? lock_downgrade+0x900/0x900 [ 432.189924] ? check_preemption_disabled+0x48/0x280 [ 432.194947] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 432.199877] ? kasan_check_read+0x11/0x20 [ 432.204032] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 432.209314] ? rcu_softirq_qs+0x20/0x20 [ 432.213299] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 432.218832] ? oom_evaluate_task+0x302/0x540 [ 432.223248] out_of_memory+0xa84/0x1430 [ 432.227232] ? oom_killer_disable+0x3a0/0x3a0 [ 432.231727] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 432.236663] ? __ww_mutex_check_waiters+0x160/0x160 [ 432.241691] __alloc_pages_slowpath+0x2354/0x2e10 [ 432.246564] ? warn_alloc+0x120/0x120 [ 432.250367] ? mark_held_locks+0x130/0x130 [ 432.254612] ? find_get_entry+0xaae/0x1120 [ 432.258857] ? filemap_map_pages+0x1a20/0x1a20 [ 432.263444] ? zap_class+0x640/0x640 [ 432.267165] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.272705] ? check_preemption_disabled+0x48/0x280 [ 432.277721] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 432.283258] ? should_fail+0x22d/0xd01 [ 432.287155] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 432.292261] ? zap_class+0x640/0x640 [ 432.296000] ? __lock_is_held+0xb5/0x140 [ 432.300082] ? mark_held_locks+0x130/0x130 [ 432.304321] ? lock_release+0xa00/0xa00 [ 432.308298] ? perf_trace_sched_process_exec+0x860/0x860 [ 432.313751] ? xa_load+0x2ba/0x460 [ 432.317312] ? lock_downgrade+0x900/0x900 [ 432.321468] ? __might_sleep+0x95/0x190 [ 432.325448] __alloc_pages_nodemask+0xa80/0xde0 [ 432.330126] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 432.335143] ? __page_cache_alloc+0x191/0x5c0 [ 432.339650] ? xa_load+0x2e1/0x460 [ 432.343194] ? xa_clear_mark+0x40/0x40 [ 432.347083] ? zap_class+0x640/0x640 [ 432.350809] ? zap_class+0x640/0x640 [ 432.354549] ? zap_class+0x640/0x640 [ 432.358263] ? __do_page_cache_readahead+0x663/0x810 [ 432.363376] ? find_held_lock+0x36/0x1c0 [ 432.367470] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 432.373043] alloc_pages_current+0x173/0x350 [ 432.377465] __page_cache_alloc+0x38c/0x5c0 [ 432.381784] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 432.386714] ? kasan_check_read+0x11/0x20 [ 432.390857] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 432.396169] ? generic_perform_write+0x6a0/0x6a0 [ 432.400926] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 432.406466] ? check_preemption_disabled+0x48/0x280 [ 432.411489] filemap_fault+0x1595/0x25f0 [ 432.415567] ? __lock_page_or_retry+0xa00/0xa00 [ 432.420242] ? mark_held_locks+0x130/0x130 [ 432.424484] ? filemap_map_pages+0xd6b/0x1a20 [ 432.428979] ? lock_downgrade+0x900/0x900 [ 432.433141] ? check_preemption_disabled+0x48/0x280 [ 432.438162] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 432.443102] ? kasan_check_read+0x11/0x20 [ 432.447247] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 432.452522] ? rcu_softirq_qs+0x20/0x20 [ 432.456513] ? filemap_map_pages+0xd92/0x1a20 [ 432.461053] ? find_get_entries_tag+0x1400/0x1400 [ 432.465898] ? ep_scan_ready_list+0xbc7/0x1050 [ 432.470741] ? trace_hardirqs_off_caller+0x310/0x310 [ 432.475877] ? lock_acquire+0x1ed/0x520 [ 432.479853] ? ext4_filemap_fault+0x7a/0xad [ 432.484181] ? lock_release+0xa00/0xa00 [ 432.488153] ? perf_trace_sched_process_exec+0x860/0x860 [ 432.493607] ? print_usage_bug+0xc0/0xc0 [ 432.497684] ? print_usage_bug+0xc0/0xc0 [ 432.501754] ? down_read+0x8d/0x120 [ 432.505383] ? ext4_filemap_fault+0x7a/0xad [ 432.509705] ? __down_interruptible+0x700/0x700 [ 432.514384] ext4_filemap_fault+0x82/0xad [ 432.518534] __do_fault+0x100/0x6b0 [ 432.522172] ? pmd_devmap_trans_unstable+0x220/0x220 [ 432.527280] ? mark_held_locks+0x130/0x130 [ 432.531516] ? mark_held_locks+0x130/0x130 [ 432.535752] ? kasan_check_read+0x11/0x20 [ 432.539899] ? ep_poll+0xffa/0x13d0 [ 432.543532] ? trace_hardirqs_off_caller+0x310/0x310 [ 432.548641] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 432.554188] __handle_mm_fault+0x3ea0/0x5be0 [ 432.558601] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.564145] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 432.569022] ? do_epoll_create+0x590/0x590 [ 432.573315] ? kasan_check_read+0x11/0x20 [ 432.577459] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 432.582748] ? rcu_softirq_qs+0x20/0x20 [ 432.586746] ? zap_class+0x640/0x640 [ 432.590458] ? zap_class+0x640/0x640 [ 432.594179] ? find_held_lock+0x36/0x1c0 [ 432.598256] ? handle_mm_fault+0x42a/0xc70 [ 432.602491] ? lock_downgrade+0x900/0x900 [ 432.606639] ? check_preemption_disabled+0x48/0x280 [ 432.612150] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 432.617079] ? kasan_check_read+0x11/0x20 [ 432.621227] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 432.626508] ? rcu_softirq_qs+0x20/0x20 [ 432.630484] ? trace_hardirqs_off_caller+0x310/0x310 [ 432.635590] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 432.641137] ? check_preemption_disabled+0x48/0x280 [ 432.646173] handle_mm_fault+0x54f/0xc70 [ 432.650268] ? __handle_mm_fault+0x5be0/0x5be0 [ 432.654883] ? find_vma+0x34/0x190 [ 432.658427] __do_page_fault+0x5e8/0xe60 [ 432.662499] ? trace_hardirqs_off+0xb8/0x310 [ 432.666925] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 432.672472] do_page_fault+0xf2/0x7e0 [ 432.676276] ? vmalloc_sync_all+0x30/0x30 [ 432.680427] ? error_entry+0x70/0xd0 [ 432.684145] ? trace_hardirqs_off_caller+0xbb/0x310 [ 432.689165] ? trace_hardirqs_on_caller+0xc0/0x310 [ 432.694103] ? syscall_return_slowpath+0x5e0/0x5e0 [ 432.699043] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 432.703887] ? trace_hardirqs_on_caller+0x310/0x310 [ 432.708902] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 432.714375] ? prepare_exit_to_usermode+0x291/0x3b0 [ 432.719418] ? page_fault+0x8/0x30 [ 432.722959] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 432.727810] ? page_fault+0x8/0x30 [ 432.731351] page_fault+0x1e/0x30 [ 432.734799] RIP: 0033:0x45df89 [ 432.738043] Code: Bad RIP value. [ 432.741420] RSP: 002b:000000c42017b850 EFLAGS: 00010246 [ 432.746910] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89 [ 432.754177] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004 [ 432.761444] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500 [ 432.768732] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8 [ 432.776001] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff [ 432.783309] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145 [ 432.783375] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 432.790670] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 432.790679] Call Trace: [ 432.797249] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 432.806500] [ 432.809087] syz-fuzzer cpuset=/ mems_allowed=0 [ 432.819308] dump_stack+0x244/0x39d [ 432.829629] ? dump_stack_print_info.cold.1+0x20/0x20 [ 432.834833] warn_alloc.cold.116+0xb7/0x1bd [ 432.839161] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 432.844006] ? lock_downgrade+0x900/0x900 [ 432.848172] ? trace_hardirqs_off+0xb8/0x310 [ 432.852588] ? trace_hardirqs_off+0xb8/0x310 [ 432.857029] __alloc_pages_slowpath+0x26e8/0x2e10 [ 432.861902] ? warn_alloc+0x120/0x120 [ 432.865709] ? warn_alloc+0x120/0x120 [ 432.869516] ? warn_alloc+0x120/0x120 [ 432.873325] ? print_usage_bug+0xc0/0xc0 [ 432.877392] ? print_usage_bug+0xc0/0xc0 [ 432.881458] ? trace_hardirqs_off+0xb8/0x310 [ 432.885886] ? kasan_check_read+0x11/0x20 [ 432.890036] ? do_raw_spin_unlock+0xa7/0x330 [ 432.894478] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 432.900023] ? should_fail+0x22d/0xd01 [ 432.903919] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 432.909032] ? __lock_acquire+0x62f/0x4c20 [ 432.913275] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 432.918383] ? should_fail+0x22d/0xd01 [ 432.922284] ? mark_held_locks+0x130/0x130 [ 432.926541] ? mark_held_locks+0x130/0x130 [ 432.930781] ? print_usage_bug+0xc0/0xc0 [ 432.934848] ? find_held_lock+0x36/0x1c0 [ 432.938915] ? zap_class+0x640/0x640 [ 432.942637] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.948178] ? check_preemption_disabled+0x48/0x280 [ 432.953205] ? __lock_is_held+0xb5/0x140 [ 432.957276] __alloc_pages_nodemask+0xa80/0xde0 [ 432.961945] ? zap_class+0x640/0x640 [ 432.965670] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 432.970723] ? find_held_lock+0x36/0x1c0 [ 432.974800] ? ____cache_alloc_node+0x1c7/0x1e0 [ 432.979490] ? lock_downgrade+0x900/0x900 [ 432.983664] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.989209] cache_grow_begin+0xa5/0x8c0 [ 432.993276] ? do_raw_spin_unlock+0xa7/0x330 [ 432.997693] fallback_alloc+0x204/0x2e0 [ 433.001675] ____cache_alloc_node+0x1c7/0x1e0 [ 433.006183] kmem_cache_alloc_node+0xe3/0x730 [ 433.010677] ? mark_held_locks+0xc7/0x130 [ 433.014851] __alloc_skb+0x119/0x770 [ 433.018610] ? netdev_alloc_frag+0x1f0/0x1f0 [ 433.023049] ? do_raw_spin_trylock+0x270/0x270 [ 433.027661] ? kmem_cache_alloc_trace+0x353/0x750 [ 433.032509] ? queue_work_on+0x12c/0x1e0 [ 433.036579] ? switchdev_port_obj_del+0xdc/0x440 [ 433.041339] ? switchdev_trans_item_enqueue+0x260/0x260 [ 433.046706] ? mod_timer+0x631/0x1560 [ 433.050506] ? wake_up_klogd+0x180/0x180 [ 433.054586] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 433.059618] __br_mdb_notify+0x4ff/0x15d0 [ 433.063792] ? __br_mdb_add+0x7f0/0x7f0 [ 433.067778] ? zap_class+0x640/0x640 [ 433.071505] ? br_multicast_group_expired+0x96/0x610 [ 433.076625] br_mdb_notify+0x310/0x410 [ 433.080516] ? br_mdb_dump+0x27b0/0x27b0 [ 433.084592] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.090142] br_multicast_group_expired+0x1bc/0x610 [ 433.095168] ? br_mdb_free+0x80/0x80 [ 433.098939] call_timer_fn+0x272/0x920 [ 433.102832] ? br_mdb_free+0x80/0x80 [ 433.106559] ? process_timeout+0x40/0x40 [ 433.110648] ? __run_timers+0x7da/0xc70 [ 433.114629] ? _raw_spin_unlock_irq+0x27/0x80 [ 433.119124] ? _raw_spin_unlock_irq+0x27/0x80 [ 433.123620] ? br_mdb_free+0x80/0x80 [ 433.127337] ? lockdep_hardirqs_on+0x296/0x5b0 [ 433.131938] ? trace_hardirqs_on+0xbd/0x310 [ 433.136259] ? kasan_check_read+0x11/0x20 [ 433.140408] ? __run_timers+0x7da/0xc70 [ 433.144388] ? trace_hardirqs_off_caller+0x310/0x310 [ 433.149501] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 433.153745] ? br_mdb_free+0x80/0x80 [ 433.157470] __run_timers+0x7e5/0xc70 [ 433.161283] ? timer_fixup_init+0x70/0x70 [ 433.165437] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 433.170455] ? zap_class+0x640/0x640 [ 433.174178] ? enqueue_hrtimer+0x1a5/0x560 [ 433.178444] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 433.183661] ? find_held_lock+0x36/0x1c0 [ 433.187727] ? zap_class+0x640/0x640 [ 433.191449] ? pvclock_read_flags+0x160/0x160 [ 433.195955] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.201510] ? check_preemption_disabled+0x48/0x280 [ 433.206550] ? __lock_is_held+0xb5/0x140 [ 433.210628] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.216212] ? check_preemption_disabled+0x48/0x280 [ 433.221233] run_timer_softirq+0x52/0xb0 [ 433.225299] ? rcu_read_lock_sched_held+0x14f/0x180 [ 433.230321] __do_softirq+0x308/0xb7e [ 433.234127] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 433.238619] ? lock_downgrade+0x900/0x900 [ 433.242773] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 433.247901] ? pvclock_read_flags+0x160/0x160 [ 433.252421] ? lapic_next_event+0x5a/0x90 [ 433.256587] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.262131] ? kvm_clock_read+0x18/0x30 [ 433.266105] ? kvm_sched_clock_read+0x9/0x20 [ 433.270514] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.276067] ? check_preemption_disabled+0x48/0x280 [ 433.281099] irq_exit+0x17f/0x1c0 [ 433.284561] smp_apic_timer_interrupt+0x1cb/0x760 [ 433.289404] ? smp_reschedule_interrupt+0x109/0x650 [ 433.294427] ? smp_call_function_single_interrupt+0x650/0x650 [ 433.300324] ? interrupt_entry+0xb5/0xc0 [ 433.304387] ? trace_hardirqs_off_caller+0xbb/0x310 [ 433.309401] ? trace_hardirqs_off_caller+0xbb/0x310 [ 433.314418] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 433.319261] ? trace_hardirqs_on_caller+0x310/0x310 [ 433.324276] ? trace_hardirqs_on_caller+0x310/0x310 [ 433.329317] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 433.334171] apic_timer_interrupt+0xf/0x20 [ 433.338401] [ 433.340655] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 433.345587] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7 [ 433.364484] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 433.372203] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 433.379473] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286 [ 433.386745] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000 [ 433.394011] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 433.401292] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020 [ 433.408601] skb_clone+0x1bb/0x500 [ 433.412145] ? finish_task_switch+0x2f4/0x910 [ 433.416639] ? skb_split+0x11e0/0x11e0 [ 433.420533] ? preempt_notifier_register+0x200/0x200 [ 433.425651] ? __switch_to_asm+0x34/0x70 [ 433.429725] ? __switch_to_asm+0x34/0x70 [ 433.433782] ? __switch_to_asm+0x40/0x70 [ 433.437841] ? __switch_to_asm+0x34/0x70 [ 433.441898] ? __switch_to_asm+0x40/0x70 [ 433.445984] ? __switch_to_asm+0x34/0x70 [ 433.450049] ? __switch_to_asm+0x40/0x70 [ 433.454123] ? __switch_to_asm+0x34/0x70 [ 433.458186] ? __switch_to_asm+0x34/0x70 [ 433.462245] ? __switch_to_asm+0x40/0x70 [ 433.466309] ? __switch_to_asm+0x34/0x70 [ 433.470382] bpf_clone_redirect+0xb9/0x490 [ 433.474618] ? __schedule+0x8d7/0x21d0 [ 433.478511] bpf_prog_bebbfe2050753572+0x1d8/0x1000 [ 433.483544] ? __sched_text_start+0x8/0x8 [ 433.487696] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 433.492276] ? retint_kernel+0x2d/0x2d [ 433.496165] ? trace_hardirqs_on_caller+0xc0/0x310 [ 433.501100] ? find_held_lock+0x36/0x1c0 [ 433.505171] ? lock_acquire+0x1ed/0x520 [ 433.509149] ? bpf_test_run+0x3cb/0x780 [ 433.513126] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.518681] ? check_preemption_disabled+0x48/0x280 [ 433.523705] ? kasan_check_read+0x11/0x20 [ 433.527857] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 433.533135] ? rcu_softirq_qs+0x20/0x20 [ 433.537114] ? preempt_schedule+0x4d/0x60 [ 433.541281] ? ___preempt_schedule+0x16/0x18 [ 433.546060] ? bpf_test_run+0x25d/0x780 [ 433.550051] ? netlink_diag_dump+0x2a0/0x2a0 [ 433.554468] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 433.560095] ? bpf_test_init.isra.10+0x70/0x100 [ 433.564770] ? bpf_prog_test_run_skb+0x73b/0xcb0 [ 433.569545] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 433.574393] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 433.579930] ? fput+0x130/0x1a0 [ 433.583211] ? __bpf_prog_get+0x9b/0x290 [ 433.587277] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 433.592119] ? bpf_prog_test_run+0x130/0x1a0 [ 433.596530] ? __x64_sys_bpf+0x3d8/0x520 [ 433.600597] ? bpf_prog_get+0x20/0x20 [ 433.604423] ? do_syscall_64+0x1b9/0x820 [ 433.608483] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 433.613863] ? syscall_return_slowpath+0x5e0/0x5e0 [ 433.618804] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 433.623653] ? trace_hardirqs_on_caller+0x310/0x310 [ 433.628669] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 433.633709] ? prepare_exit_to_usermode+0x291/0x3b0 [ 433.638734] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 433.643587] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 433.648984] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145 [ 433.648997] warn_alloc_show_mem: 1 callbacks suppressed [ 433.649002] Mem-Info: [ 433.656071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 433.661451] active_anon:51179 inactive_anon:236 isolated_anon:0 [ 433.661451] active_file:17 inactive_file:9 isolated_file:0 [ 433.661451] unevictable:0 dirty:0 writeback:0 unstable:0 [ 433.661451] slab_reclaimable:9362 slab_unreclaimable:1467319 [ 433.661451] mapped:16386 shmem:283 pagetables:457 bounce:0 [ 433.661451] free:13694 free_pcp:258 free_cma:0 [ 433.663823] Call Trace: [ 433.673221] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 433.705978] [ 433.708555] 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 [ 433.736060] dump_stack+0x244/0x39d [ 433.738187] lowmem_reserve[]: 0 2818 6321 6321 [ 433.764296] ? dump_stack_print_info.cold.1+0x20/0x20 [ 433.767903] Node 0 DMA32 free:24972kB 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:0kB local_pcp:0kB free_cma:0kB [ 433.772489] warn_alloc.cold.116+0xb7/0x1bd [ 433.777648] lowmem_reserve[]: 0 0 3503 3503 [ 433.804793] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 433.809088] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB [ 433.813404] ? lock_downgrade+0x900/0x900 [ 433.818220] lowmem_reserve[]: 0 0 0 0 [ 433.847195] ? trace_hardirqs_off+0xb8/0x310 [ 433.851317] 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 [ 433.855113] ? trace_hardirqs_off+0xb8/0x310 [ 433.859496] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB [ 433.873024] __alloc_pages_slowpath+0x26e8/0x2e10 [ 433.877405] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB [ 433.892609] ? warn_alloc+0x120/0x120 [ 433.897412] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 433.911627] ? print_usage_bug+0xc0/0xc0 [ 433.915409] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 433.924247] ? warn_alloc+0x120/0x120 [ 433.928284] 309 total pagecache pages [ 433.936852] ? warn_alloc+0x120/0x120 [ 433.940631] 0 pages in swap cache [ 433.944420] ? print_usage_bug+0xc0/0xc0 [ 433.948202] Swap cache stats: add 0, delete 0, find 0/0 [ 433.951644] ? kvm_clock_read+0x18/0x30 [ 433.955680] Free swap = 0kB [ 433.961067] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 433.965035] Total swap = 0kB [ 433.968059] ? print_usage_bug+0xc0/0xc0 [ 433.973084] 1965979 pages RAM [ 433.976101] ? __lock_acquire+0x62f/0x4c20 [ 433.980137] 0 pages HighMem/MovableOnly [ 433.983239] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 433.987447] 342853 pages reserved [ 433.991413] ? should_fail+0x22d/0xd01 [ 433.996924] 0 pages cma reserved [ 434.000371] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 434.004889] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 434.007609] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 434.012863] syz-executor2 cpuset=syz2 mems_allowed=0 [ 434.023343] ? __lock_acquire+0x62f/0x4c20 [ 434.037757] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 434.042857] ? __lock_acquire+0x62f/0x4c20 [ 434.047101] ? should_fail+0x22d/0xd01 [ 434.050987] ? rcu_irq_exit+0x1a2/0x390 [ 434.054978] ? mark_held_locks+0x130/0x130 [ 434.059221] ? mark_held_locks+0x130/0x130 [ 434.063476] ? mark_held_locks+0xc7/0x130 [ 434.067628] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 434.072643] ? zap_class+0x640/0x640 [ 434.076368] ? print_usage_bug+0xc0/0xc0 [ 434.080432] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.085973] ? check_preemption_disabled+0x48/0x280 [ 434.091001] ? __lock_is_held+0xb5/0x140 [ 434.095107] __alloc_pages_nodemask+0xa80/0xde0 [ 434.099806] ? zap_class+0x640/0x640 [ 434.103529] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 434.108559] ? find_held_lock+0x36/0x1c0 [ 434.112663] ? ____cache_alloc_node+0x1c7/0x1e0 [ 434.117336] ? lock_downgrade+0x900/0x900 [ 434.121492] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.127055] cache_grow_begin+0xa5/0x8c0 [ 434.131122] ? do_raw_spin_unlock+0xa7/0x330 [ 434.135538] fallback_alloc+0x204/0x2e0 [ 434.139523] ____cache_alloc_node+0x1c7/0x1e0 [ 434.144041] kmem_cache_alloc_node+0xe3/0x730 [ 434.148539] ? ipv6_get_ifaddr+0x42e/0x620 [ 434.152797] __alloc_skb+0x119/0x770 [ 434.156529] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 434.161811] ? netdev_alloc_frag+0x1f0/0x1f0 [ 434.166227] ? lock_downgrade+0x900/0x900 [ 434.170385] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.175922] ? refcount_sub_and_test_checked+0x203/0x310 [ 434.181379] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 434.186832] ? addrconf_rs_timer+0x690/0x690 [ 434.191258] ndisc_alloc_skb+0x144/0x340 [ 434.195326] ndisc_send_rs+0x331/0x6e0 [ 434.199222] addrconf_rs_timer+0x314/0x690 [ 434.203462] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 434.207707] call_timer_fn+0x272/0x920 [ 434.211593] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 434.215829] ? process_timeout+0x40/0x40 [ 434.219902] ? mark_held_locks+0xc7/0x130 [ 434.224057] ? _raw_spin_unlock_irq+0x27/0x80 [ 434.228557] ? _raw_spin_unlock_irq+0x27/0x80 [ 434.233055] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 434.237293] ? lockdep_hardirqs_on+0x296/0x5b0 [ 434.241878] ? trace_hardirqs_on+0xbd/0x310 [ 434.246200] ? kasan_check_read+0x11/0x20 [ 434.250348] ? __run_timers+0x7da/0xc70 [ 434.254326] ? trace_hardirqs_off_caller+0x310/0x310 [ 434.259434] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 434.263680] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 434.267916] __run_timers+0x7e5/0xc70 [ 434.271731] ? timer_fixup_init+0x70/0x70 [ 434.275881] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 434.280897] ? zap_class+0x640/0x640 [ 434.284616] ? print_usage_bug+0xc0/0xc0 [ 434.288682] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 434.293885] ? find_held_lock+0x36/0x1c0 [ 434.297956] ? zap_class+0x640/0x640 [ 434.301690] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.307234] ? check_preemption_disabled+0x48/0x280 [ 434.312261] ? __lock_is_held+0xb5/0x140 [ 434.316324] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.321865] ? check_preemption_disabled+0x48/0x280 [ 434.326889] run_timer_softirq+0x52/0xb0 [ 434.330952] ? rcu_read_lock_sched_held+0x14f/0x180 [ 434.335970] __do_softirq+0x308/0xb7e [ 434.339777] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 434.344274] ? lock_downgrade+0x900/0x900 [ 434.348432] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 434.353548] ? pvclock_read_flags+0x160/0x160 [ 434.358060] ? lapic_next_event+0x5a/0x90 [ 434.362229] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.367774] ? kvm_clock_read+0x18/0x30 [ 434.371753] ? kvm_sched_clock_read+0x9/0x20 [ 434.376169] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.381709] ? check_preemption_disabled+0x48/0x280 [ 434.386736] irq_exit+0x17f/0x1c0 [ 434.390197] smp_apic_timer_interrupt+0x1cb/0x760 [ 434.395051] ? smp_reschedule_interrupt+0x109/0x650 [ 434.400072] ? smp_call_function_single_interrupt+0x650/0x650 [ 434.405958] ? interrupt_entry+0xb5/0xc0 [ 434.410027] ? trace_hardirqs_off_caller+0xbb/0x310 [ 434.415059] ? trace_hardirqs_off_caller+0xbb/0x310 [ 434.420095] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 434.424955] ? trace_hardirqs_on_caller+0x310/0x310 [ 434.429974] ? trace_hardirqs_on_caller+0x310/0x310 [ 434.434989] ? task_prio+0x50/0x50 [ 434.438538] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.444083] ? check_preemption_disabled+0x48/0x280 [ 434.449110] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 434.453961] apic_timer_interrupt+0xf/0x20 [ 434.458188] [ 434.460427] RIP: 0010:preempt_schedule_irq+0xaf/0x140 [ 434.465616] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0 [ 434.484519] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 434.492227] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e [ 434.499493] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc [ 434.506783] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 434.514056] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000 [ 434.521327] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8 [ 434.528652] retint_kernel+0x1b/0x2d [ 434.532383] RIP: 0010:dump_stack+0x358/0x39d [ 434.536787] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 434.555696] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02 [ 434.563406] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e [ 434.570690] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293 [ 434.577975] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006 [ 434.585241] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45 [ 434.592522] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000 [ 434.599821] ? dump_stack+0x34f/0x39d [ 434.603635] ? dump_stack_print_info.cold.1+0x20/0x20 [ 434.608831] ? mark_held_locks+0x130/0x130 [ 434.613510] ? mark_held_locks+0x130/0x130 [ 434.617755] dump_header+0x27b/0xf72 [ 434.621489] ? pagefault_out_of_memory+0x197/0x197 [ 434.626426] ? __lock_acquire+0x62f/0x4c20 [ 434.630665] ? percpu_ref_get_many+0x240/0x240 [ 434.635256] ? print_usage_bug+0xc0/0xc0 [ 434.639330] ? zap_class+0x640/0x640 [ 434.643072] ? print_usage_bug+0xc0/0xc0 [ 434.647141] ? print_usage_bug+0xc0/0xc0 [ 434.651208] ? zap_class+0x640/0x640 [ 434.654927] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.660474] ? find_held_lock+0x36/0x1c0 [ 434.664806] ? mark_held_locks+0xc7/0x130 [ 434.668967] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 434.674068] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 434.679187] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 434.683791] ? trace_hardirqs_on+0xbd/0x310 [ 434.688142] ? kasan_check_read+0x11/0x20 [ 434.692307] ? ___ratelimit+0x3b4/0x672 [ 434.696282] ? trace_hardirqs_off_caller+0x310/0x310 [ 434.701385] ? trace_hardirqs_on+0x310/0x310 [ 434.705810] ? lock_downgrade+0x900/0x900 [ 434.709966] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 434.715070] ? ___ratelimit+0x3b9/0x672 [ 434.719060] ? idr_get_free+0xf70/0xf70 [ 434.723050] ? find_held_lock+0x36/0x1c0 [ 434.727125] oom_kill_process.cold.27+0x10/0x903 [ 434.731882] ? zap_class+0x640/0x640 [ 434.735597] ? check_preemption_disabled+0x48/0x280 [ 434.740630] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 434.745591] ? kasan_check_read+0x11/0x20 [ 434.749740] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 434.755148] ? oom_evaluate_task+0x540/0x540 [ 434.759564] ? find_held_lock+0x36/0x1c0 [ 434.763660] ? out_of_memory+0x974/0x1430 [ 434.767813] ? lock_downgrade+0x900/0x900 [ 434.771959] ? check_preemption_disabled+0x48/0x280 [ 434.776979] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 434.781919] ? kasan_check_read+0x11/0x20 [ 434.786067] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 434.791371] ? rcu_softirq_qs+0x20/0x20 [ 434.795363] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 434.800899] ? oom_evaluate_task+0x302/0x540 [ 434.805310] out_of_memory+0xa84/0x1430 [ 434.809295] ? oom_killer_disable+0x3a0/0x3a0 [ 434.813794] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 434.818733] ? __ww_mutex_check_waiters+0x160/0x160 [ 434.823759] __alloc_pages_slowpath+0x2354/0x2e10 [ 434.828636] ? warn_alloc+0x120/0x120 [ 434.832450] ? mark_held_locks+0x130/0x130 [ 434.836740] ? find_get_entry+0xaae/0x1120 [ 434.841001] ? filemap_map_pages+0x1a20/0x1a20 [ 434.845615] ? zap_class+0x640/0x640 [ 434.849336] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.854888] ? check_preemption_disabled+0x48/0x280 [ 434.859933] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 434.865471] ? should_fail+0x22d/0xd01 [ 434.869363] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 434.874468] ? zap_class+0x640/0x640 [ 434.878210] ? __lock_is_held+0xb5/0x140 [ 434.882284] ? mark_held_locks+0x130/0x130 [ 434.886527] ? lock_release+0xa00/0xa00 [ 434.890507] ? perf_trace_sched_process_exec+0x860/0x860 [ 434.895991] ? xa_load+0x2ba/0x460 [ 434.899553] ? lock_downgrade+0x900/0x900 [ 434.903707] ? __might_sleep+0x95/0x190 [ 434.907712] __alloc_pages_nodemask+0xa80/0xde0 [ 434.912430] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 434.917479] ? __page_cache_alloc+0x191/0x5c0 [ 434.921972] ? xa_load+0x2e1/0x460 [ 434.925515] ? xa_clear_mark+0x40/0x40 [ 434.929406] ? zap_class+0x640/0x640 [ 434.933155] ? zap_class+0x640/0x640 [ 434.936868] ? zap_class+0x640/0x640 [ 434.940583] ? __do_page_cache_readahead+0x663/0x810 [ 434.945956] ? find_held_lock+0x36/0x1c0 [ 434.950032] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 434.955580] alloc_pages_current+0x173/0x350 [ 434.960000] __page_cache_alloc+0x38c/0x5c0 [ 434.964335] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 434.969268] ? kasan_check_read+0x11/0x20 [ 434.973418] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 434.978699] ? generic_perform_write+0x6a0/0x6a0 [ 434.983472] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 434.989009] ? check_preemption_disabled+0x48/0x280 [ 434.994075] filemap_fault+0x1595/0x25f0 [ 434.998933] ? __lock_page_or_retry+0xa00/0xa00 [ 435.003610] ? mark_held_locks+0x130/0x130 [ 435.007859] ? filemap_map_pages+0xd6b/0x1a20 [ 435.012355] ? lock_downgrade+0x900/0x900 [ 435.016506] ? check_preemption_disabled+0x48/0x280 [ 435.021567] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 435.026511] ? kasan_check_read+0x11/0x20 [ 435.030657] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 435.035933] ? rcu_softirq_qs+0x20/0x20 [ 435.039955] ? filemap_map_pages+0xd92/0x1a20 [ 435.044465] ? find_get_entries_tag+0x1400/0x1400 [ 435.049308] ? ep_scan_ready_list+0xbc7/0x1050 [ 435.053924] ? trace_hardirqs_off_caller+0x310/0x310 [ 435.059073] ? lock_acquire+0x1ed/0x520 [ 435.063051] ? ext4_filemap_fault+0x7a/0xad [ 435.067398] ? lock_release+0xa00/0xa00 [ 435.071371] ? perf_trace_sched_process_exec+0x860/0x860 [ 435.076840] ? print_usage_bug+0xc0/0xc0 [ 435.080903] ? print_usage_bug+0xc0/0xc0 [ 435.084970] ? down_read+0x8d/0x120 [ 435.088592] ? ext4_filemap_fault+0x7a/0xad [ 435.092915] ? __down_interruptible+0x700/0x700 [ 435.097624] ext4_filemap_fault+0x82/0xad [ 435.101778] __do_fault+0x100/0x6b0 [ 435.105410] ? pmd_devmap_trans_unstable+0x220/0x220 [ 435.110520] ? mark_held_locks+0x130/0x130 [ 435.114759] ? mark_held_locks+0x130/0x130 [ 435.118994] ? kasan_check_read+0x11/0x20 [ 435.123151] ? ep_poll+0xffa/0x13d0 [ 435.126786] ? trace_hardirqs_off_caller+0x310/0x310 [ 435.131895] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 435.137442] __handle_mm_fault+0x3ea0/0x5be0 [ 435.141850] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.147428] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 435.152274] ? do_epoll_create+0x590/0x590 [ 435.156506] ? kasan_check_read+0x11/0x20 [ 435.160651] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 435.165927] ? rcu_softirq_qs+0x20/0x20 [ 435.169911] ? zap_class+0x640/0x640 [ 435.173626] ? zap_class+0x640/0x640 [ 435.177347] ? find_held_lock+0x36/0x1c0 [ 435.181422] ? handle_mm_fault+0x42a/0xc70 [ 435.185711] ? lock_downgrade+0x900/0x900 [ 435.189864] ? check_preemption_disabled+0x48/0x280 [ 435.194910] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 435.199855] ? kasan_check_read+0x11/0x20 [ 435.204002] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 435.209290] ? rcu_softirq_qs+0x20/0x20 [ 435.213264] ? trace_hardirqs_off_caller+0x310/0x310 [ 435.218475] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 435.224023] ? check_preemption_disabled+0x48/0x280 [ 435.229066] handle_mm_fault+0x54f/0xc70 [ 435.233141] ? __handle_mm_fault+0x5be0/0x5be0 [ 435.237745] ? find_vma+0x34/0x190 [ 435.241292] __do_page_fault+0x5e8/0xe60 [ 435.245354] ? trace_hardirqs_off+0xb8/0x310 [ 435.249760] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 435.255326] do_page_fault+0xf2/0x7e0 [ 435.259140] ? vmalloc_sync_all+0x30/0x30 [ 435.263289] ? error_entry+0x70/0xd0 [ 435.267005] ? trace_hardirqs_off_caller+0xbb/0x310 [ 435.272079] ? trace_hardirqs_on_caller+0xc0/0x310 [ 435.277052] ? syscall_return_slowpath+0x5e0/0x5e0 [ 435.281984] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 435.286852] ? trace_hardirqs_on_caller+0x310/0x310 [ 435.291961] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 435.297452] ? prepare_exit_to_usermode+0x291/0x3b0 [ 435.302467] ? page_fault+0x8/0x30 [ 435.306006] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 435.310892] ? page_fault+0x8/0x30 [ 435.314434] page_fault+0x1e/0x30 [ 435.317883] RIP: 0033:0x45df89 [ 435.321090] Code: Bad RIP value. [ 435.324451] RSP: 002b:000000c42017b850 EFLAGS: 00010246 [ 435.329809] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89 [ 435.337074] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004 [ 435.344342] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500 [ 435.351621] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8 [ 435.358888] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff [ 435.366188] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145